1 2 /*--------------------------------------------------------------------*/ 3 /*--- Linux-specific syscalls, etc. syswrap-linux.c ---*/ 4 /*--------------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2000-2015 Nicholas Nethercote 11 njn (at) valgrind.org 12 13 This program is free software; you can redistribute it and/or 14 modify it under the terms of the GNU General Public License as 15 published by the Free Software Foundation; either version 2 of the 16 License, or (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, but 19 WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 26 02111-1307, USA. 27 28 The GNU General Public License is contained in the file COPYING. 29 */ 30 31 #if defined(VGO_linux) 32 33 #include "pub_core_basics.h" 34 #include "pub_core_vki.h" 35 #include "pub_core_vkiscnums.h" 36 #include "pub_core_threadstate.h" 37 #include "pub_core_aspacemgr.h" 38 #include "pub_core_debuginfo.h" // VG_(di_notify_*) 39 #include "pub_core_transtab.h" // VG_(discard_translations) 40 #include "pub_core_xarray.h" 41 #include "pub_core_clientstate.h" 42 #include "pub_core_debuglog.h" 43 #include "pub_core_libcbase.h" 44 #include "pub_core_libcassert.h" 45 #include "pub_core_libcfile.h" 46 #include "pub_core_libcprint.h" 47 #include "pub_core_libcproc.h" 48 #include "pub_core_libcsignal.h" 49 #include "pub_core_machine.h" // VG_(get_SP) 50 #include "pub_core_mallocfree.h" 51 #include "pub_core_tooliface.h" 52 #include "pub_core_options.h" 53 #include "pub_core_scheduler.h" 54 #include "pub_core_signals.h" 55 #include "pub_core_syscall.h" 56 #include "pub_core_syswrap.h" 57 #include "pub_core_inner.h" 58 #if defined(ENABLE_INNER_CLIENT_REQUEST) 59 #include "pub_core_clreq.h" 60 #endif 61 62 #include "priv_types_n_macros.h" 63 #include "priv_syswrap-generic.h" 64 #include "priv_syswrap-linux.h" 65 #include "priv_syswrap-xen.h" 66 67 // Run a thread from beginning to end and return the thread's 68 // scheduler-return-code. 69 static VgSchedReturnCode thread_wrapper(Word /*ThreadId*/ tidW) 70 { 71 VgSchedReturnCode ret; 72 ThreadId tid = (ThreadId)tidW; 73 ThreadState* tst = VG_(get_ThreadState)(tid); 74 75 VG_(debugLog)(1, "syswrap-linux", 76 "thread_wrapper(tid=%u): entry\n", 77 tid); 78 79 vg_assert(tst->status == VgTs_Init); 80 81 /* make sure we get the CPU lock before doing anything significant */ 82 VG_(acquire_BigLock)(tid, "thread_wrapper(starting new thread)"); 83 84 if (0) 85 VG_(printf)("thread tid %u started: stack = %p\n", 86 tid, (void *)&tid); 87 88 /* Make sure error reporting is enabled in the new thread. */ 89 tst->err_disablement_level = 0; 90 91 VG_TRACK(pre_thread_first_insn, tid); 92 93 tst->os_state.lwpid = VG_(gettid)(); 94 /* Set the threadgroup for real. This overwrites the provisional 95 value set in do_clone() syswrap-*-linux.c. See comments in 96 do_clone for background, also #226116. */ 97 tst->os_state.threadgroup = VG_(getpid)(); 98 99 /* Thread created with all signals blocked; scheduler will set the 100 appropriate mask */ 101 102 ret = VG_(scheduler)(tid); 103 104 vg_assert(VG_(is_exiting)(tid)); 105 106 vg_assert(tst->status == VgTs_Runnable); 107 vg_assert(VG_(is_running_thread)(tid)); 108 109 VG_(debugLog)(1, "syswrap-linux", 110 "thread_wrapper(tid=%u): exit, schedreturncode %s\n", 111 tid, VG_(name_of_VgSchedReturnCode)(ret)); 112 113 /* Return to caller, still holding the lock. */ 114 return ret; 115 } 116 117 118 /* --------------------------------------------------------------------- 119 clone-related stuff 120 ------------------------------------------------------------------ */ 121 122 /* Run a thread all the way to the end, then do appropriate exit actions 123 (this is the last-one-out-turn-off-the-lights bit). */ 124 static void run_a_thread_NORETURN ( Word tidW ) 125 { 126 ThreadId tid = (ThreadId)tidW; 127 VgSchedReturnCode src; 128 Int c; 129 ThreadState* tst; 130 #ifdef ENABLE_INNER_CLIENT_REQUEST 131 Int registered_vgstack_id; 132 #endif 133 134 VG_(debugLog)(1, "syswrap-linux", 135 "run_a_thread_NORETURN(tid=%u): pre-thread_wrapper\n", 136 tid); 137 138 tst = VG_(get_ThreadState)(tid); 139 vg_assert(tst); 140 141 /* An thread has two stacks: 142 * the simulated stack (used by the synthetic cpu. Guest process 143 is using this stack). 144 * the valgrind stack (used by the real cpu. Valgrind code is running 145 on this stack). 146 When Valgrind runs as an inner, it must signals that its (real) stack 147 is the stack to use by the outer to e.g. do stacktraces. 148 */ 149 INNER_REQUEST 150 (registered_vgstack_id 151 = VALGRIND_STACK_REGISTER (tst->os_state.valgrind_stack_base, 152 tst->os_state.valgrind_stack_init_SP)); 153 154 /* Run the thread all the way through. */ 155 src = thread_wrapper(tid); 156 157 VG_(debugLog)(1, "syswrap-linux", 158 "run_a_thread_NORETURN(tid=%u): post-thread_wrapper\n", 159 tid); 160 161 c = VG_(count_living_threads)(); 162 vg_assert(c >= 1); /* stay sane */ 163 164 // Tell the tool this thread is exiting 165 VG_TRACK( pre_thread_ll_exit, tid ); 166 167 /* If the thread is exiting with errors disabled, complain loudly; 168 doing so is bad (does the user know this has happened?) Also, 169 in all cases, be paranoid and clear the flag anyway so that the 170 thread slot is safe in this respect if later reallocated. This 171 should be unnecessary since the flag should be cleared when the 172 slot is reallocated, in thread_wrapper(). */ 173 if (tst->err_disablement_level > 0) { 174 VG_(umsg)( 175 "WARNING: exiting thread has error reporting disabled.\n" 176 "WARNING: possibly as a result of some mistake in the use\n" 177 "WARNING: of the VALGRIND_DISABLE_ERROR_REPORTING macros.\n" 178 ); 179 VG_(debugLog)( 180 1, "syswrap-linux", 181 "run_a_thread_NORETURN(tid=%u): " 182 "WARNING: exiting thread has err_disablement_level = %u\n", 183 tid, tst->err_disablement_level 184 ); 185 } 186 tst->err_disablement_level = 0; 187 188 if (c == 1) { 189 190 VG_(debugLog)(1, "syswrap-linux", 191 "run_a_thread_NORETURN(tid=%u): " 192 "last one standing\n", 193 tid); 194 195 /* We are the last one standing. Keep hold of the lock and 196 carry on to show final tool results, then exit the entire system. 197 Use the continuation pointer set at startup in m_main. */ 198 ( * VG_(address_of_m_main_shutdown_actions_NORETURN) ) (tid, src); 199 } else { 200 201 VG_(debugLog)(1, "syswrap-linux", 202 "run_a_thread_NORETURN(tid=%u): " 203 "not last one standing\n", 204 tid); 205 206 /* OK, thread is dead, but others still exist. Just exit. */ 207 208 /* This releases the run lock */ 209 VG_(exit_thread)(tid); 210 vg_assert(tst->status == VgTs_Zombie); 211 vg_assert(sizeof(tst->status) == 4); 212 vg_assert(sizeof(tst->os_state.exitcode) == sizeof(Word)); 213 214 INNER_REQUEST (VALGRIND_STACK_DEREGISTER (registered_vgstack_id)); 215 216 /* We have to use this sequence to terminate the thread to 217 prevent a subtle race. If VG_(exit_thread)() had left the 218 ThreadState as Empty, then it could have been reallocated, 219 reusing the stack while we're doing these last cleanups. 220 Instead, VG_(exit_thread) leaves it as Zombie to prevent 221 reallocation. We need to make sure we don't touch the stack 222 between marking it Empty and exiting. Hence the 223 assembler. */ 224 #if defined(VGP_x86_linux) 225 asm volatile ( 226 "pushl %%ebx\n" 227 "movl %1, %0\n" /* set tst->status = VgTs_Empty */ 228 "movl %2, %%eax\n" /* set %eax = __NR_exit */ 229 "movl %3, %%ebx\n" /* set %ebx = tst->os_state.exitcode */ 230 "int $0x80\n" /* exit(tst->os_state.exitcode) */ 231 "popl %%ebx\n" 232 : "=m" (tst->status) 233 : "n" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode) 234 : "eax" 235 ); 236 #elif defined(VGP_amd64_linux) 237 asm volatile ( 238 "movl %1, %0\n" /* set tst->status = VgTs_Empty */ 239 "movq %2, %%rax\n" /* set %rax = __NR_exit */ 240 "movq %3, %%rdi\n" /* set %rdi = tst->os_state.exitcode */ 241 "syscall\n" /* exit(tst->os_state.exitcode) */ 242 : "=m" (tst->status) 243 : "n" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode) 244 : "rax", "rdi" 245 ); 246 #elif defined(VGP_ppc32_linux) || defined(VGP_ppc64be_linux) \ 247 || defined(VGP_ppc64le_linux) 248 { UInt vgts_empty = (UInt)VgTs_Empty; 249 asm volatile ( 250 "stw %1,%0\n\t" /* set tst->status = VgTs_Empty */ 251 "li 0,%2\n\t" /* set r0 = __NR_exit */ 252 "lwz 3,%3\n\t" /* set r3 = tst->os_state.exitcode */ 253 "sc\n\t" /* exit(tst->os_state.exitcode) */ 254 : "=m" (tst->status) 255 : "r" (vgts_empty), "n" (__NR_exit), "m" (tst->os_state.exitcode) 256 : "r0", "r3" 257 ); 258 } 259 #elif defined(VGP_arm_linux) 260 asm volatile ( 261 "str %1, %0\n" /* set tst->status = VgTs_Empty */ 262 "mov r7, %2\n" /* set %r7 = __NR_exit */ 263 "ldr r0, %3\n" /* set %r0 = tst->os_state.exitcode */ 264 "svc 0x00000000\n" /* exit(tst->os_state.exitcode) */ 265 : "=m" (tst->status) 266 : "r" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode) 267 : "r0", "r7" 268 ); 269 #elif defined(VGP_arm64_linux) 270 asm volatile ( 271 "str %w1, %0\n" /* set tst->status = VgTs_Empty (32-bit store) */ 272 "mov x8, %2\n" /* set %r7 = __NR_exit */ 273 "ldr x0, %3\n" /* set %r0 = tst->os_state.exitcode */ 274 "svc 0x00000000\n" /* exit(tst->os_state.exitcode) */ 275 : "=m" (tst->status) 276 : "r" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode) 277 : "r0", "r7" 278 ); 279 #elif defined(VGP_s390x_linux) 280 asm volatile ( 281 "st %1, %0\n" /* set tst->status = VgTs_Empty */ 282 "lg 2, %3\n" /* set r2 = tst->os_state.exitcode */ 283 "svc %2\n" /* exit(tst->os_state.exitcode) */ 284 : "=m" (tst->status) 285 : "d" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode) 286 : "2" 287 ); 288 #elif defined(VGP_mips32_linux) || defined(VGP_mips64_linux) 289 asm volatile ( 290 "sw %1, %0\n\t" /* set tst->status = VgTs_Empty */ 291 "li $2, %2\n\t" /* set v0 = __NR_exit */ 292 "lw $4, %3\n\t" /* set a0 = tst->os_state.exitcode */ 293 "syscall\n\t" /* exit(tst->os_state.exitcode) */ 294 "nop" 295 : "=m" (tst->status) 296 : "r" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode) 297 : "cc", "memory" , "v0", "a0" 298 ); 299 #elif defined(VGP_tilegx_linux) 300 asm volatile ( 301 "st4 %0, %1\n" /* set tst->status = VgTs_Empty */ 302 "moveli r10, %2\n" /* set r10 = __NR_exit */ 303 "move r0, %3\n" /* set r0 = tst->os_state.exitcode */ 304 "swint1\n" /* exit(tst->os_state.exitcode) */ 305 : "=m" (tst->status) 306 : "r" (VgTs_Empty), "n" (__NR_exit), "r" (tst->os_state.exitcode) 307 : "r0", "r1", "r2", "r3", "r4", "r5"); 308 #else 309 # error Unknown platform 310 #endif 311 312 VG_(core_panic)("Thread exit failed?\n"); 313 } 314 315 /*NOTREACHED*/ 316 vg_assert(0); 317 } 318 319 Word ML_(start_thread_NORETURN) ( void* arg ) 320 { 321 ThreadState* tst = (ThreadState*)arg; 322 ThreadId tid = tst->tid; 323 324 run_a_thread_NORETURN ( (Word)tid ); 325 /*NOTREACHED*/ 326 vg_assert(0); 327 } 328 329 /* Allocate a stack for this thread, if it doesn't already have one. 330 They're allocated lazily, and never freed. Returns the initial stack 331 pointer value to use, or 0 if allocation failed. */ 332 Addr ML_(allocstack)(ThreadId tid) 333 { 334 ThreadState* tst = VG_(get_ThreadState)(tid); 335 VgStack* stack; 336 Addr initial_SP; 337 338 /* Either the stack_base and stack_init_SP are both zero (in which 339 case a stack hasn't been allocated) or they are both non-zero, 340 in which case it has. */ 341 342 if (tst->os_state.valgrind_stack_base == 0) 343 vg_assert(tst->os_state.valgrind_stack_init_SP == 0); 344 345 if (tst->os_state.valgrind_stack_base != 0) 346 vg_assert(tst->os_state.valgrind_stack_init_SP != 0); 347 348 /* If no stack is present, allocate one. */ 349 350 if (tst->os_state.valgrind_stack_base == 0) { 351 stack = VG_(am_alloc_VgStack)( &initial_SP ); 352 if (stack) { 353 tst->os_state.valgrind_stack_base = (Addr)stack; 354 tst->os_state.valgrind_stack_init_SP = initial_SP; 355 } 356 } 357 358 if (0) 359 VG_(printf)( "stack for tid %u at %p; init_SP=%p\n", 360 tid, 361 (void*)tst->os_state.valgrind_stack_base, 362 (void*)tst->os_state.valgrind_stack_init_SP ); 363 364 return tst->os_state.valgrind_stack_init_SP; 365 } 366 367 /* Allocate a stack for the main thread, and run it all the way to the 368 end. Although we already have a working VgStack 369 (VG_(interim_stack)) it's better to allocate a new one, so that 370 overflow detection works uniformly for all threads. 371 */ 372 void VG_(main_thread_wrapper_NORETURN)(ThreadId tid) 373 { 374 Addr sp; 375 VG_(debugLog)(1, "syswrap-linux", 376 "entering VG_(main_thread_wrapper_NORETURN)\n"); 377 378 sp = ML_(allocstack)(tid); 379 #if defined(ENABLE_INNER_CLIENT_REQUEST) 380 { 381 // we must register the main thread stack before the call 382 // to ML_(call_on_new_stack_0_1), otherwise the outer valgrind 383 // reports 'write error' on the non registered stack. 384 ThreadState* tst = VG_(get_ThreadState)(tid); 385 INNER_REQUEST 386 ((void) 387 VALGRIND_STACK_REGISTER (tst->os_state.valgrind_stack_base, 388 tst->os_state.valgrind_stack_init_SP)); 389 } 390 #endif 391 392 #if defined(VGP_ppc32_linux) 393 /* make a stack frame */ 394 sp -= 16; 395 sp &= ~0xF; 396 *(UWord *)sp = 0; 397 #elif defined(VGP_ppc64be_linux) || defined(VGP_ppc64le_linux) 398 /* make a stack frame */ 399 sp -= 112; 400 sp &= ~((Addr)0xF); 401 *(UWord *)sp = 0; 402 #elif defined(VGP_s390x_linux) 403 /* make a stack frame */ 404 sp -= 160; 405 sp &= ~((Addr)0xF); 406 *(UWord *)sp = 0; 407 #endif 408 409 /* If we can't even allocate the first thread's stack, we're hosed. 410 Give up. */ 411 vg_assert2(sp != 0, "Cannot allocate main thread's stack."); 412 413 /* shouldn't be any other threads around yet */ 414 vg_assert( VG_(count_living_threads)() == 1 ); 415 416 ML_(call_on_new_stack_0_1)( 417 (Addr)sp, /* stack */ 418 0, /* bogus return address */ 419 run_a_thread_NORETURN, /* fn to call */ 420 (Word)tid /* arg to give it */ 421 ); 422 423 /*NOTREACHED*/ 424 vg_assert(0); 425 } 426 427 428 /* Do a clone which is really a fork() */ 429 SysRes ML_(do_fork_clone) ( ThreadId tid, UInt flags, 430 Int* parent_tidptr, Int* child_tidptr ) 431 { 432 vki_sigset_t fork_saved_mask; 433 vki_sigset_t mask; 434 SysRes res; 435 436 if (flags & (VKI_CLONE_SETTLS | VKI_CLONE_FS | VKI_CLONE_VM 437 | VKI_CLONE_FILES | VKI_CLONE_VFORK)) 438 return VG_(mk_SysRes_Error)( VKI_EINVAL ); 439 440 /* Block all signals during fork, so that we can fix things up in 441 the child without being interrupted. */ 442 VG_(sigfillset)(&mask); 443 VG_(sigprocmask)(VKI_SIG_SETMASK, &mask, &fork_saved_mask); 444 445 VG_(do_atfork_pre)(tid); 446 447 /* Since this is the fork() form of clone, we don't need all that 448 VG_(clone) stuff */ 449 #if defined(VGP_x86_linux) \ 450 || defined(VGP_ppc32_linux) \ 451 || defined(VGP_ppc64be_linux) || defined(VGP_ppc64le_linux) \ 452 || defined(VGP_arm_linux) || defined(VGP_mips32_linux) \ 453 || defined(VGP_mips64_linux) || defined(VGP_arm64_linux) 454 res = VG_(do_syscall5)( __NR_clone, flags, 455 (UWord)NULL, (UWord)parent_tidptr, 456 (UWord)NULL, (UWord)child_tidptr ); 457 #elif defined(VGP_amd64_linux) || defined(VGP_tilegx_linux) 458 /* note that the last two arguments are the opposite way round to x86 and 459 ppc32 as the amd64 kernel expects the arguments in a different order */ 460 res = VG_(do_syscall5)( __NR_clone, flags, 461 (UWord)NULL, (UWord)parent_tidptr, 462 (UWord)child_tidptr, (UWord)NULL ); 463 #elif defined(VGP_s390x_linux) 464 /* Note that s390 has the stack first and then the flags */ 465 res = VG_(do_syscall4)( __NR_clone, (UWord) NULL, flags, 466 (UWord)parent_tidptr, (UWord)child_tidptr); 467 #else 468 # error Unknown platform 469 #endif 470 471 if (!sr_isError(res) && sr_Res(res) == 0) { 472 /* child */ 473 VG_(do_atfork_child)(tid); 474 475 /* restore signal mask */ 476 VG_(sigprocmask)(VKI_SIG_SETMASK, &fork_saved_mask, NULL); 477 478 /* If --child-silent-after-fork=yes was specified, set the 479 output file descriptors to 'impossible' values. This is 480 noticed by send_bytes_to_logging_sink in m_libcprint.c, which 481 duly stops writing any further output. */ 482 if (VG_(clo_child_silent_after_fork)) { 483 if (!VG_(log_output_sink).is_socket) 484 VG_(log_output_sink).fd = -1; 485 if (!VG_(xml_output_sink).is_socket) 486 VG_(xml_output_sink).fd = -1; 487 } 488 } 489 else 490 if (!sr_isError(res) && sr_Res(res) > 0) { 491 /* parent */ 492 VG_(do_atfork_parent)(tid); 493 494 if (VG_(clo_trace_syscalls)) 495 VG_(printf)(" clone(fork): process %d created child %lu\n", 496 VG_(getpid)(), sr_Res(res)); 497 498 /* restore signal mask */ 499 VG_(sigprocmask)(VKI_SIG_SETMASK, &fork_saved_mask, NULL); 500 } 501 502 return res; 503 } 504 505 506 /* --------------------------------------------------------------------- 507 PRE/POST wrappers for arch-generic, Linux-specific syscalls 508 ------------------------------------------------------------------ */ 509 510 // Nb: See the comment above the generic PRE/POST wrappers in 511 // m_syswrap/syswrap-generic.c for notes about how they work. 512 513 #define PRE(name) DEFN_PRE_TEMPLATE(linux, name) 514 #define POST(name) DEFN_POST_TEMPLATE(linux, name) 515 516 // Macros to support 64-bit syscall args split into two 32 bit values 517 #define LOHI64(lo,hi) ( ((ULong)(lo)) | (((ULong)(hi)) << 32) ) 518 #if defined(VG_LITTLEENDIAN) 519 #define MERGE64(lo,hi) ( ((ULong)(lo)) | (((ULong)(hi)) << 32) ) 520 #define MERGE64_FIRST(name) name##_low 521 #define MERGE64_SECOND(name) name##_high 522 #elif defined(VG_BIGENDIAN) 523 #define MERGE64(hi,lo) ( ((ULong)(lo)) | (((ULong)(hi)) << 32) ) 524 #define MERGE64_FIRST(name) name##_high 525 #define MERGE64_SECOND(name) name##_low 526 #else 527 #error Unknown endianness 528 #endif 529 530 /* --------------------------------------------------------------------- 531 *mount wrappers 532 ------------------------------------------------------------------ */ 533 534 PRE(sys_mount) 535 { 536 // Nb: depending on 'flags', the 'type' and 'data' args may be ignored. 537 // We are conservative and check everything, except the memory pointed to 538 // by 'data'. 539 *flags |= SfMayBlock; 540 PRINT("sys_mount( %#lx(%s), %#lx(%s), %#lx(%s), %#lx, %#lx )", 541 ARG1,(HChar*)ARG1, ARG2,(HChar*)ARG2, ARG3,(HChar*)ARG3, ARG4, ARG5); 542 PRE_REG_READ5(long, "mount", 543 char *, source, char *, target, char *, type, 544 unsigned long, flags, void *, data); 545 if (ARG1) 546 PRE_MEM_RASCIIZ( "mount(source)", ARG1); 547 PRE_MEM_RASCIIZ( "mount(target)", ARG2); 548 PRE_MEM_RASCIIZ( "mount(type)", ARG3); 549 } 550 551 PRE(sys_oldumount) 552 { 553 PRINT("sys_oldumount( %#lx )", ARG1); 554 PRE_REG_READ1(long, "umount", char *, path); 555 PRE_MEM_RASCIIZ( "umount(path)", ARG1); 556 } 557 558 PRE(sys_umount) 559 { 560 PRINT("sys_umount( %#lx, %ld )", ARG1, SARG2); 561 PRE_REG_READ2(long, "umount2", char *, path, int, flags); 562 PRE_MEM_RASCIIZ( "umount2(path)", ARG1); 563 } 564 565 /* Not actually wrapped by GLibc but does things with the system 566 * mounts so it is put here. 567 */ 568 PRE(sys_pivot_root) 569 { 570 PRINT("sys_pivot_root ( %s %s )", (HChar*)ARG1, (HChar*)ARG2); 571 PRE_REG_READ2(int, "pivot_root", char *, new_root, char *, old_root); 572 PRE_MEM_RASCIIZ( "pivot_root(new_root)", ARG1); 573 PRE_MEM_RASCIIZ( "pivot_root(old_root)", ARG2); 574 } 575 576 577 /* --------------------------------------------------------------------- 578 16- and 32-bit uid/gid wrappers 579 ------------------------------------------------------------------ */ 580 581 PRE(sys_setfsuid16) 582 { 583 PRINT("sys_setfsuid16 ( %lu )", ARG1); 584 PRE_REG_READ1(long, "setfsuid16", vki_old_uid_t, uid); 585 } 586 587 PRE(sys_setfsuid) 588 { 589 PRINT("sys_setfsuid ( %lu )", ARG1); 590 PRE_REG_READ1(long, "setfsuid", vki_uid_t, uid); 591 } 592 593 PRE(sys_setfsgid16) 594 { 595 PRINT("sys_setfsgid16 ( %lu )", ARG1); 596 PRE_REG_READ1(long, "setfsgid16", vki_old_gid_t, gid); 597 } 598 599 PRE(sys_setfsgid) 600 { 601 PRINT("sys_setfsgid ( %lu )", ARG1); 602 PRE_REG_READ1(long, "setfsgid", vki_gid_t, gid); 603 } 604 605 PRE(sys_setresuid16) 606 { 607 PRINT("sys_setresuid16 ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 608 PRE_REG_READ3(long, "setresuid16", 609 vki_old_uid_t, ruid, vki_old_uid_t, euid, vki_old_uid_t, suid); 610 } 611 612 PRE(sys_setresuid) 613 { 614 PRINT("sys_setresuid ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 615 PRE_REG_READ3(long, "setresuid", 616 vki_uid_t, ruid, vki_uid_t, euid, vki_uid_t, suid); 617 } 618 619 PRE(sys_getresuid16) 620 { 621 PRINT("sys_getresuid16 ( %#lx, %#lx, %#lx )", ARG1,ARG2,ARG3); 622 PRE_REG_READ3(long, "getresuid16", 623 vki_old_uid_t *, ruid, vki_old_uid_t *, euid, 624 vki_old_uid_t *, suid); 625 PRE_MEM_WRITE( "getresuid16(ruid)", ARG1, sizeof(vki_old_uid_t) ); 626 PRE_MEM_WRITE( "getresuid16(euid)", ARG2, sizeof(vki_old_uid_t) ); 627 PRE_MEM_WRITE( "getresuid16(suid)", ARG3, sizeof(vki_old_uid_t) ); 628 } 629 POST(sys_getresuid16) 630 { 631 vg_assert(SUCCESS); 632 if (RES == 0) { 633 POST_MEM_WRITE( ARG1, sizeof(vki_old_uid_t) ); 634 POST_MEM_WRITE( ARG2, sizeof(vki_old_uid_t) ); 635 POST_MEM_WRITE( ARG3, sizeof(vki_old_uid_t) ); 636 } 637 } 638 639 PRE(sys_getresuid) 640 { 641 PRINT("sys_getresuid ( %#lx, %#lx, %#lx )", ARG1,ARG2,ARG3); 642 PRE_REG_READ3(long, "getresuid", 643 vki_uid_t *, ruid, vki_uid_t *, euid, vki_uid_t *, suid); 644 PRE_MEM_WRITE( "getresuid(ruid)", ARG1, sizeof(vki_uid_t) ); 645 PRE_MEM_WRITE( "getresuid(euid)", ARG2, sizeof(vki_uid_t) ); 646 PRE_MEM_WRITE( "getresuid(suid)", ARG3, sizeof(vki_uid_t) ); 647 } 648 POST(sys_getresuid) 649 { 650 vg_assert(SUCCESS); 651 if (RES == 0) { 652 POST_MEM_WRITE( ARG1, sizeof(vki_uid_t) ); 653 POST_MEM_WRITE( ARG2, sizeof(vki_uid_t) ); 654 POST_MEM_WRITE( ARG3, sizeof(vki_uid_t) ); 655 } 656 } 657 658 PRE(sys_setresgid16) 659 { 660 PRINT("sys_setresgid16 ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 661 PRE_REG_READ3(long, "setresgid16", 662 vki_old_gid_t, rgid, 663 vki_old_gid_t, egid, vki_old_gid_t, sgid); 664 } 665 666 PRE(sys_setresgid) 667 { 668 PRINT("sys_setresgid ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 669 PRE_REG_READ3(long, "setresgid", 670 vki_gid_t, rgid, vki_gid_t, egid, vki_gid_t, sgid); 671 } 672 673 PRE(sys_getresgid16) 674 { 675 PRINT("sys_getresgid16 ( %#lx, %#lx, %#lx )", ARG1,ARG2,ARG3); 676 PRE_REG_READ3(long, "getresgid16", 677 vki_old_gid_t *, rgid, vki_old_gid_t *, egid, 678 vki_old_gid_t *, sgid); 679 PRE_MEM_WRITE( "getresgid16(rgid)", ARG1, sizeof(vki_old_gid_t) ); 680 PRE_MEM_WRITE( "getresgid16(egid)", ARG2, sizeof(vki_old_gid_t) ); 681 PRE_MEM_WRITE( "getresgid16(sgid)", ARG3, sizeof(vki_old_gid_t) ); 682 } 683 POST(sys_getresgid16) 684 { 685 vg_assert(SUCCESS); 686 if (RES == 0) { 687 POST_MEM_WRITE( ARG1, sizeof(vki_old_gid_t) ); 688 POST_MEM_WRITE( ARG2, sizeof(vki_old_gid_t) ); 689 POST_MEM_WRITE( ARG3, sizeof(vki_old_gid_t) ); 690 } 691 } 692 693 PRE(sys_getresgid) 694 { 695 PRINT("sys_getresgid ( %#lx, %#lx, %#lx )", ARG1,ARG2,ARG3); 696 PRE_REG_READ3(long, "getresgid", 697 vki_gid_t *, rgid, vki_gid_t *, egid, vki_gid_t *, sgid); 698 PRE_MEM_WRITE( "getresgid(rgid)", ARG1, sizeof(vki_gid_t) ); 699 PRE_MEM_WRITE( "getresgid(egid)", ARG2, sizeof(vki_gid_t) ); 700 PRE_MEM_WRITE( "getresgid(sgid)", ARG3, sizeof(vki_gid_t) ); 701 } 702 POST(sys_getresgid) 703 { 704 vg_assert(SUCCESS); 705 if (RES == 0) { 706 POST_MEM_WRITE( ARG1, sizeof(vki_gid_t) ); 707 POST_MEM_WRITE( ARG2, sizeof(vki_gid_t) ); 708 POST_MEM_WRITE( ARG3, sizeof(vki_gid_t) ); 709 } 710 } 711 712 /* --------------------------------------------------------------------- 713 miscellaneous wrappers 714 ------------------------------------------------------------------ */ 715 716 PRE(sys_exit_group) 717 { 718 ThreadId t; 719 ThreadState* tst; 720 721 PRINT("exit_group( %ld )", SARG1); 722 PRE_REG_READ1(void, "exit_group", int, status); 723 724 tst = VG_(get_ThreadState)(tid); 725 /* A little complex; find all the threads with the same threadgroup 726 as this one (including this one), and mark them to exit */ 727 /* It is unclear how one can get a threadgroup in this process which 728 is not the threadgroup of the calling thread: 729 The assignments to threadgroups are: 730 = 0; /// scheduler.c os_state_clear 731 = getpid(); /// scheduler.c in child after fork 732 = getpid(); /// this file, in thread_wrapper 733 = ptst->os_state.threadgroup; /// syswrap-*-linux.c, 734 copying the thread group of the thread doing clone 735 So, the only case where the threadgroup might be different to the getpid 736 value is in the child, just after fork. But then the fork syscall is 737 still going on, the forked thread has had no chance yet to make this 738 syscall. */ 739 for (t = 1; t < VG_N_THREADS; t++) { 740 if ( /* not alive */ 741 VG_(threads)[t].status == VgTs_Empty 742 || 743 /* not our group */ 744 VG_(threads)[t].os_state.threadgroup != tst->os_state.threadgroup 745 ) 746 continue; 747 /* Assign the exit code, VG_(nuke_all_threads_except) will assign 748 the exitreason. */ 749 VG_(threads)[t].os_state.exitcode = ARG1; 750 } 751 752 /* Indicate in all other threads that the process is exiting. 753 Then wait using VG_(reap_threads) for these threads to disappear. 754 755 Can this give a deadlock if another thread is calling exit in parallel 756 and would then wait for this thread to disappear ? 757 The answer is no: 758 Other threads are either blocked in a syscall or have yielded the CPU. 759 760 A thread that has yielded the CPU is trying to get the big lock in 761 VG_(scheduler). This thread will get the CPU thanks to the call 762 to VG_(reap_threads). The scheduler will then check for signals, 763 kill the process if this is a fatal signal, and otherwise prepare 764 the thread for handling this signal. After this preparation, if 765 the thread status is VG_(is_exiting), the scheduler exits the thread. 766 So, a thread that has yielded the CPU does not have a chance to 767 call exit => no deadlock for this thread. 768 769 VG_(nuke_all_threads_except) will send the VG_SIGVGKILL signal 770 to all threads blocked in a syscall. 771 The syscall will be interrupted, and the control will go to the 772 scheduler. The scheduler will then return, as the thread is in 773 exiting state. */ 774 775 VG_(nuke_all_threads_except)( tid, VgSrc_ExitProcess ); 776 VG_(reap_threads)(tid); 777 VG_(threads)[tid].exitreason = VgSrc_ExitThread; 778 /* we do assign VgSrc_ExitThread and not VgSrc_ExitProcess, as this thread 779 is the thread calling exit_group and so its registers must be considered 780 as not reachable. See pub_tool_machine.h VG_(apply_to_GP_regs). */ 781 782 /* We have to claim the syscall already succeeded. */ 783 SET_STATUS_Success(0); 784 } 785 786 PRE(sys_llseek) 787 { 788 PRINT("sys_llseek ( %lu, 0x%lx, 0x%lx, %#lx, %lu )", ARG1,ARG2,ARG3,ARG4,ARG5); 789 PRE_REG_READ5(long, "llseek", 790 unsigned int, fd, unsigned long, offset_high, 791 unsigned long, offset_low, vki_loff_t *, result, 792 unsigned int, whence); 793 if (!ML_(fd_allowed)(ARG1, "llseek", tid, False)) 794 SET_STATUS_Failure( VKI_EBADF ); 795 else 796 PRE_MEM_WRITE( "llseek(result)", ARG4, sizeof(vki_loff_t)); 797 } 798 POST(sys_llseek) 799 { 800 vg_assert(SUCCESS); 801 if (RES == 0) 802 POST_MEM_WRITE( ARG4, sizeof(vki_loff_t) ); 803 } 804 805 PRE(sys_adjtimex) 806 { 807 struct vki_timex *tx = (struct vki_timex *)ARG1; 808 PRINT("sys_adjtimex ( %#lx )", ARG1); 809 PRE_REG_READ1(long, "adjtimex", struct timex *, buf); 810 PRE_MEM_READ( "adjtimex(timex->modes)", ARG1, sizeof(tx->modes)); 811 812 #define ADJX(bits,field) \ 813 if (tx->modes & (bits)) \ 814 PRE_MEM_READ( "adjtimex(timex->"#field")", \ 815 (Addr)&tx->field, sizeof(tx->field)) 816 817 if (tx->modes & VKI_ADJ_ADJTIME) { 818 if (!(tx->modes & VKI_ADJ_OFFSET_READONLY)) 819 PRE_MEM_READ( "adjtimex(timex->offset)", (Addr)&tx->offset, sizeof(tx->offset)); 820 } else { 821 ADJX(VKI_ADJ_OFFSET, offset); 822 ADJX(VKI_ADJ_FREQUENCY, freq); 823 ADJX(VKI_ADJ_MAXERROR, maxerror); 824 ADJX(VKI_ADJ_ESTERROR, esterror); 825 ADJX(VKI_ADJ_STATUS, status); 826 ADJX(VKI_ADJ_TIMECONST|VKI_ADJ_TAI, constant); 827 ADJX(VKI_ADJ_TICK, tick); 828 } 829 #undef ADJX 830 831 PRE_MEM_WRITE( "adjtimex(timex)", ARG1, sizeof(struct vki_timex)); 832 } 833 834 POST(sys_adjtimex) 835 { 836 POST_MEM_WRITE( ARG1, sizeof(struct vki_timex) ); 837 } 838 839 PRE(sys_clock_adjtime) 840 { 841 struct vki_timex *tx = (struct vki_timex *)ARG2; 842 PRINT("sys_clock_adjtime ( %ld, %#lx )", SARG1,ARG2); 843 PRE_REG_READ2(long, "clock_adjtime", vki_clockid_t, id, struct timex *, buf); 844 PRE_MEM_READ( "clock_adjtime(timex->modes)", ARG2, sizeof(tx->modes)); 845 846 #define ADJX(bits,field) \ 847 if (tx->modes & (bits)) \ 848 PRE_MEM_READ( "clock_adjtime(timex->"#field")", \ 849 (Addr)&tx->field, sizeof(tx->field)) 850 851 if (tx->modes & VKI_ADJ_ADJTIME) { 852 if (!(tx->modes & VKI_ADJ_OFFSET_READONLY)) 853 PRE_MEM_READ( "clock_adjtime(timex->offset)", (Addr)&tx->offset, sizeof(tx->offset)); 854 } else { 855 ADJX(VKI_ADJ_OFFSET, offset); 856 ADJX(VKI_ADJ_FREQUENCY, freq); 857 ADJX(VKI_ADJ_MAXERROR, maxerror); 858 ADJX(VKI_ADJ_ESTERROR, esterror); 859 ADJX(VKI_ADJ_STATUS, status); 860 ADJX(VKI_ADJ_TIMECONST|VKI_ADJ_TAI, constant); 861 ADJX(VKI_ADJ_TICK, tick); 862 } 863 #undef ADJX 864 865 PRE_MEM_WRITE( "adjtimex(timex)", ARG2, sizeof(struct vki_timex)); 866 } 867 868 POST(sys_clock_adjtime) 869 { 870 POST_MEM_WRITE( ARG2, sizeof(struct vki_timex) ); 871 } 872 873 PRE(sys_ioperm) 874 { 875 PRINT("sys_ioperm ( %lu, %lu, %ld )", ARG1, ARG2, SARG3 ); 876 PRE_REG_READ3(long, "ioperm", 877 unsigned long, from, unsigned long, num, int, turn_on); 878 } 879 880 PRE(sys_syslog) 881 { 882 *flags |= SfMayBlock; 883 PRINT("sys_syslog (%ld, %#lx, %ld)", SARG1, ARG2, SARG3); 884 PRE_REG_READ3(long, "syslog", int, type, char *, bufp, int, len); 885 switch (ARG1) { 886 // The kernel uses magic numbers here, rather than named constants, 887 // therefore so do we. 888 case 2: case 3: case 4: 889 PRE_MEM_WRITE( "syslog(bufp)", ARG2, ARG3); 890 break; 891 default: 892 break; 893 } 894 } 895 POST(sys_syslog) 896 { 897 switch (ARG1) { 898 case 2: case 3: case 4: 899 POST_MEM_WRITE( ARG2, ARG3 ); 900 break; 901 default: 902 break; 903 } 904 } 905 906 PRE(sys_vhangup) 907 { 908 PRINT("sys_vhangup ( )"); 909 PRE_REG_READ0(long, "vhangup"); 910 } 911 912 PRE(sys_sysinfo) 913 { 914 PRINT("sys_sysinfo ( %#lx )",ARG1); 915 PRE_REG_READ1(long, "sysinfo", struct sysinfo *, info); 916 PRE_MEM_WRITE( "sysinfo(info)", ARG1, sizeof(struct vki_sysinfo) ); 917 } 918 POST(sys_sysinfo) 919 { 920 POST_MEM_WRITE( ARG1, sizeof(struct vki_sysinfo) ); 921 } 922 923 PRE(sys_personality) 924 { 925 PRINT("sys_personality ( %llu )", (ULong)ARG1); 926 PRE_REG_READ1(long, "personality", vki_u_long, persona); 927 } 928 929 PRE(sys_sysctl) 930 { 931 struct __vki_sysctl_args *args; 932 PRINT("sys_sysctl ( %#lx )", ARG1 ); 933 args = (struct __vki_sysctl_args *)ARG1; 934 PRE_REG_READ1(long, "sysctl", struct __sysctl_args *, args); 935 PRE_MEM_WRITE( "sysctl(args)", ARG1, sizeof(struct __vki_sysctl_args) ); 936 if (!VG_(am_is_valid_for_client)(ARG1, sizeof(struct __vki_sysctl_args), 937 VKI_PROT_READ)) { 938 SET_STATUS_Failure( VKI_EFAULT ); 939 return; 940 } 941 942 PRE_MEM_READ("sysctl(name)", (Addr)args->name, args->nlen * sizeof(*args->name)); 943 if (args->newval != NULL) 944 PRE_MEM_READ("sysctl(newval)", (Addr)args->newval, args->newlen); 945 if (args->oldlenp != NULL) { 946 PRE_MEM_READ("sysctl(oldlenp)", (Addr)args->oldlenp, sizeof(*args->oldlenp)); 947 PRE_MEM_WRITE("sysctl(oldval)", (Addr)args->oldval, *args->oldlenp); 948 } 949 } 950 POST(sys_sysctl) 951 { 952 struct __vki_sysctl_args *args; 953 args = (struct __vki_sysctl_args *)ARG1; 954 if (args->oldlenp != NULL) { 955 POST_MEM_WRITE((Addr)args->oldlenp, sizeof(*args->oldlenp)); 956 POST_MEM_WRITE((Addr)args->oldval, 1 + *args->oldlenp); 957 } 958 } 959 960 PRE(sys_prctl) 961 { 962 *flags |= SfMayBlock; 963 PRINT( "sys_prctl ( %ld, %ld, %ld, %ld, %ld )", SARG1, SARG2, SARG3, SARG4, SARG5 ); 964 switch (ARG1) { 965 case VKI_PR_SET_PDEATHSIG: 966 PRE_REG_READ2(int, "prctl", int, option, int, signal); 967 break; 968 case VKI_PR_GET_PDEATHSIG: 969 PRE_REG_READ2(int, "prctl", int, option, int *, signal); 970 PRE_MEM_WRITE("prctl(get-death-signal)", ARG2, sizeof(Int)); 971 break; 972 case VKI_PR_GET_DUMPABLE: 973 PRE_REG_READ1(int, "prctl", int, option); 974 break; 975 case VKI_PR_SET_DUMPABLE: 976 PRE_REG_READ2(int, "prctl", int, option, int, dump); 977 break; 978 case VKI_PR_GET_UNALIGN: 979 PRE_REG_READ2(int, "prctl", int, option, int *, value); 980 PRE_MEM_WRITE("prctl(get-unalign)", ARG2, sizeof(Int)); 981 break; 982 case VKI_PR_SET_UNALIGN: 983 PRE_REG_READ2(int, "prctl", int, option, int, value); 984 break; 985 case VKI_PR_GET_KEEPCAPS: 986 PRE_REG_READ1(int, "prctl", int, option); 987 break; 988 case VKI_PR_SET_KEEPCAPS: 989 PRE_REG_READ2(int, "prctl", int, option, int, keepcaps); 990 break; 991 case VKI_PR_GET_FPEMU: 992 PRE_REG_READ2(int, "prctl", int, option, int *, value); 993 PRE_MEM_WRITE("prctl(get-fpemu)", ARG2, sizeof(Int)); 994 break; 995 case VKI_PR_SET_FPEMU: 996 PRE_REG_READ2(int, "prctl", int, option, int, value); 997 break; 998 case VKI_PR_GET_FPEXC: 999 PRE_REG_READ2(int, "prctl", int, option, int *, value); 1000 PRE_MEM_WRITE("prctl(get-fpexc)", ARG2, sizeof(Int)); 1001 break; 1002 case VKI_PR_SET_FPEXC: 1003 PRE_REG_READ2(int, "prctl", int, option, int, value); 1004 break; 1005 case VKI_PR_GET_TIMING: 1006 PRE_REG_READ1(int, "prctl", int, option); 1007 break; 1008 case VKI_PR_SET_TIMING: 1009 PRE_REG_READ2(int, "prctl", int, option, int, timing); 1010 break; 1011 case VKI_PR_SET_NAME: 1012 PRE_REG_READ2(int, "prctl", int, option, char *, name); 1013 PRE_MEM_RASCIIZ("prctl(set-name)", ARG2); 1014 break; 1015 case VKI_PR_GET_NAME: 1016 PRE_REG_READ2(int, "prctl", int, option, char *, name); 1017 PRE_MEM_WRITE("prctl(get-name)", ARG2, VKI_TASK_COMM_LEN); 1018 break; 1019 case VKI_PR_GET_ENDIAN: 1020 PRE_REG_READ2(int, "prctl", int, option, int *, value); 1021 PRE_MEM_WRITE("prctl(get-endian)", ARG2, sizeof(Int)); 1022 break; 1023 case VKI_PR_SET_ENDIAN: 1024 PRE_REG_READ2(int, "prctl", int, option, int, value); 1025 break; 1026 case VKI_PR_SET_PTRACER: 1027 PRE_REG_READ2(int, "prctl", int, option, int, ptracer_process_ID); 1028 break; 1029 case VKI_PR_SET_SECCOMP: 1030 /* This is a bit feeble in that it uses |option| before checking 1031 it, but at least both sides of the conditional check it. */ 1032 if (ARG2 == VKI_SECCOMP_MODE_FILTER) { 1033 PRE_REG_READ3(int, "prctl", int, option, int, mode, char*, filter); 1034 if (ARG3) { 1035 /* Should check that ARG3 points at a valid struct sock_fprog. 1036 Sounds complex; hence be lame. */ 1037 PRE_MEM_READ( "prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, filter)", 1038 ARG3, 1 ); 1039 } 1040 } else { 1041 PRE_REG_READ2(int, "prctl", int, option, int, mode); 1042 } 1043 break; 1044 default: 1045 PRE_REG_READ5(long, "prctl", 1046 int, option, unsigned long, arg2, unsigned long, arg3, 1047 unsigned long, arg4, unsigned long, arg5); 1048 break; 1049 } 1050 } 1051 POST(sys_prctl) 1052 { 1053 switch (ARG1) { 1054 case VKI_PR_GET_PDEATHSIG: 1055 POST_MEM_WRITE(ARG2, sizeof(Int)); 1056 break; 1057 case VKI_PR_GET_UNALIGN: 1058 POST_MEM_WRITE(ARG2, sizeof(Int)); 1059 break; 1060 case VKI_PR_GET_FPEMU: 1061 POST_MEM_WRITE(ARG2, sizeof(Int)); 1062 break; 1063 case VKI_PR_GET_FPEXC: 1064 POST_MEM_WRITE(ARG2, sizeof(Int)); 1065 break; 1066 case VKI_PR_GET_NAME: 1067 POST_MEM_WRITE(ARG2, VKI_TASK_COMM_LEN); 1068 break; 1069 case VKI_PR_GET_ENDIAN: 1070 POST_MEM_WRITE(ARG2, sizeof(Int)); 1071 break; 1072 case VKI_PR_SET_NAME: 1073 { 1074 const HChar* new_name = (const HChar*) ARG2; 1075 if (new_name) { // Paranoia 1076 ThreadState* tst = VG_(get_ThreadState)(tid); 1077 SizeT new_len = VG_(strlen)(new_name); 1078 1079 /* Don't bother reusing the memory. This is a rare event. */ 1080 tst->thread_name = 1081 VG_(realloc)("syswrap.prctl", tst->thread_name, new_len + 1); 1082 VG_(strcpy)(tst->thread_name, new_name); 1083 } 1084 } 1085 break; 1086 } 1087 } 1088 1089 PRE(sys_sendfile) 1090 { 1091 *flags |= SfMayBlock; 1092 PRINT("sys_sendfile ( %ld, %ld, %#lx, %lu )", SARG1,SARG2,ARG3,ARG4); 1093 PRE_REG_READ4(ssize_t, "sendfile", 1094 int, out_fd, int, in_fd, vki_off_t *, offset, 1095 vki_size_t, count); 1096 if (ARG3 != 0) 1097 PRE_MEM_WRITE( "sendfile(offset)", ARG3, sizeof(vki_off_t) ); 1098 } 1099 POST(sys_sendfile) 1100 { 1101 if (ARG3 != 0 ) { 1102 POST_MEM_WRITE( ARG3, sizeof( vki_off_t ) ); 1103 } 1104 } 1105 1106 PRE(sys_sendfile64) 1107 { 1108 *flags |= SfMayBlock; 1109 PRINT("sendfile64 ( %ld, %ld, %#lx, %lu )",SARG1,SARG2,ARG3,ARG4); 1110 PRE_REG_READ4(ssize_t, "sendfile64", 1111 int, out_fd, int, in_fd, vki_loff_t *, offset, 1112 vki_size_t, count); 1113 if (ARG3 != 0) 1114 PRE_MEM_WRITE( "sendfile64(offset)", ARG3, sizeof(vki_loff_t) ); 1115 } 1116 POST(sys_sendfile64) 1117 { 1118 if (ARG3 != 0 ) { 1119 POST_MEM_WRITE( ARG3, sizeof(vki_loff_t) ); 1120 } 1121 } 1122 1123 PRE(sys_futex) 1124 { 1125 /* 1126 arg param used by ops 1127 1128 ARG1 - u32 *futex all 1129 ARG2 - int op 1130 ARG3 - int val WAIT,WAKE,FD,REQUEUE,CMP_REQUEUE 1131 ARG4 - struct timespec *utime WAIT:time* REQUEUE,CMP_REQUEUE:val2 1132 ARG5 - u32 *uaddr2 REQUEUE,CMP_REQUEUE 1133 ARG6 - int val3 CMP_REQUEUE 1134 */ 1135 PRINT("sys_futex ( %#lx, %ld, %ld, %#lx, %#lx )", ARG1,SARG2,SARG3,ARG4,ARG5); 1136 switch(ARG2 & ~(VKI_FUTEX_PRIVATE_FLAG|VKI_FUTEX_CLOCK_REALTIME)) { 1137 case VKI_FUTEX_CMP_REQUEUE: 1138 case VKI_FUTEX_WAKE_OP: 1139 case VKI_FUTEX_CMP_REQUEUE_PI: 1140 PRE_REG_READ6(long, "futex", 1141 vki_u32 *, futex, int, op, int, val, 1142 struct timespec *, utime, vki_u32 *, uaddr2, int, val3); 1143 break; 1144 case VKI_FUTEX_REQUEUE: 1145 case VKI_FUTEX_WAIT_REQUEUE_PI: 1146 PRE_REG_READ5(long, "futex", 1147 vki_u32 *, futex, int, op, int, val, 1148 struct timespec *, utime, vki_u32 *, uaddr2); 1149 break; 1150 case VKI_FUTEX_WAIT_BITSET: 1151 /* Check that the address at least begins in client-accessible area. */ 1152 if (!VG_(am_is_valid_for_client)( ARG1, 1, VKI_PROT_READ )) { 1153 SET_STATUS_Failure( VKI_EFAULT ); 1154 return; 1155 } 1156 if (*(vki_u32 *)ARG1 != ARG3) { 1157 PRE_REG_READ5(long, "futex", 1158 vki_u32 *, futex, int, op, int, val, 1159 struct timespec *, utime, int, dummy); 1160 } else { 1161 PRE_REG_READ6(long, "futex", 1162 vki_u32 *, futex, int, op, int, val, 1163 struct timespec *, utime, int, dummy, int, val3); 1164 } 1165 break; 1166 case VKI_FUTEX_WAKE_BITSET: 1167 PRE_REG_READ6(long, "futex", 1168 vki_u32 *, futex, int, op, int, val, 1169 int, dummy, int, dummy2, int, val3); 1170 break; 1171 case VKI_FUTEX_WAIT: 1172 case VKI_FUTEX_LOCK_PI: 1173 PRE_REG_READ4(long, "futex", 1174 vki_u32 *, futex, int, op, int, val, 1175 struct timespec *, utime); 1176 break; 1177 case VKI_FUTEX_WAKE: 1178 case VKI_FUTEX_FD: 1179 case VKI_FUTEX_TRYLOCK_PI: 1180 PRE_REG_READ3(long, "futex", 1181 vki_u32 *, futex, int, op, int, val); 1182 break; 1183 case VKI_FUTEX_UNLOCK_PI: 1184 default: 1185 PRE_REG_READ2(long, "futex", vki_u32 *, futex, int, op); 1186 break; 1187 } 1188 1189 *flags |= SfMayBlock; 1190 1191 switch(ARG2 & ~(VKI_FUTEX_PRIVATE_FLAG|VKI_FUTEX_CLOCK_REALTIME)) { 1192 case VKI_FUTEX_WAIT: 1193 case VKI_FUTEX_LOCK_PI: 1194 case VKI_FUTEX_WAIT_BITSET: 1195 case VKI_FUTEX_WAIT_REQUEUE_PI: 1196 PRE_MEM_READ( "futex(futex)", ARG1, sizeof(Int) ); 1197 if (ARG4 != 0) 1198 PRE_MEM_READ( "futex(timeout)", ARG4, sizeof(struct vki_timespec) ); 1199 break; 1200 1201 case VKI_FUTEX_REQUEUE: 1202 case VKI_FUTEX_CMP_REQUEUE: 1203 case VKI_FUTEX_CMP_REQUEUE_PI: 1204 case VKI_FUTEX_WAKE_OP: 1205 PRE_MEM_READ( "futex(futex)", ARG1, sizeof(Int) ); 1206 PRE_MEM_READ( "futex(futex2)", ARG5, sizeof(Int) ); 1207 break; 1208 1209 case VKI_FUTEX_FD: 1210 case VKI_FUTEX_TRYLOCK_PI: 1211 case VKI_FUTEX_UNLOCK_PI: 1212 PRE_MEM_READ( "futex(futex)", ARG1, sizeof(Int) ); 1213 break; 1214 1215 case VKI_FUTEX_WAKE: 1216 case VKI_FUTEX_WAKE_BITSET: 1217 /* no additional pointers */ 1218 break; 1219 1220 default: 1221 SET_STATUS_Failure( VKI_ENOSYS ); // some futex function we don't understand 1222 break; 1223 } 1224 } 1225 POST(sys_futex) 1226 { 1227 vg_assert(SUCCESS); 1228 POST_MEM_WRITE( ARG1, sizeof(int) ); 1229 if (ARG2 == VKI_FUTEX_FD) { 1230 if (!ML_(fd_allowed)(RES, "futex", tid, True)) { 1231 VG_(close)(RES); 1232 SET_STATUS_Failure( VKI_EMFILE ); 1233 } else { 1234 if (VG_(clo_track_fds)) 1235 ML_(record_fd_open_nameless)(tid, RES); 1236 } 1237 } 1238 } 1239 1240 PRE(sys_set_robust_list) 1241 { 1242 PRINT("sys_set_robust_list ( %#lx, %lu )", ARG1,ARG2); 1243 PRE_REG_READ2(long, "set_robust_list", 1244 struct vki_robust_list_head *, head, vki_size_t, len); 1245 1246 /* Just check the robust_list_head structure is readable - don't 1247 try and chase the list as the kernel will only read it when 1248 the thread exits so the current contents is irrelevant. */ 1249 if (ARG1 != 0) 1250 PRE_MEM_READ("set_robust_list(head)", ARG1, ARG2); 1251 } 1252 1253 PRE(sys_get_robust_list) 1254 { 1255 PRINT("sys_get_robust_list ( %ld, %#lx, %#lx )", SARG1,ARG2,ARG3); 1256 PRE_REG_READ3(long, "get_robust_list", 1257 int, pid, 1258 struct vki_robust_list_head **, head_ptr, 1259 vki_size_t *, len_ptr); 1260 PRE_MEM_WRITE("get_robust_list(head_ptr)", 1261 ARG2, sizeof(struct vki_robust_list_head *)); 1262 PRE_MEM_WRITE("get_robust_list(len_ptr)", 1263 ARG3, sizeof(struct vki_size_t *)); 1264 } 1265 POST(sys_get_robust_list) 1266 { 1267 POST_MEM_WRITE(ARG2, sizeof(struct vki_robust_list_head *)); 1268 POST_MEM_WRITE(ARG3, sizeof(struct vki_size_t *)); 1269 } 1270 1271 PRE(sys_pselect6) 1272 { 1273 *flags |= SfMayBlock; 1274 PRINT("sys_pselect6 ( %ld, %#lx, %#lx, %#lx, %#lx, %#lx )", 1275 SARG1, ARG2, ARG3, ARG4, ARG5, ARG6); 1276 PRE_REG_READ6(long, "pselect6", 1277 int, n, vki_fd_set *, readfds, vki_fd_set *, writefds, 1278 vki_fd_set *, exceptfds, struct vki_timeval *, timeout, 1279 void *, sig); 1280 // XXX: this possibly understates how much memory is read. 1281 if (ARG2 != 0) 1282 PRE_MEM_READ( "pselect6(readfds)", 1283 ARG2, ARG1/8 /* __FD_SETSIZE/8 */ ); 1284 if (ARG3 != 0) 1285 PRE_MEM_READ( "pselect6(writefds)", 1286 ARG3, ARG1/8 /* __FD_SETSIZE/8 */ ); 1287 if (ARG4 != 0) 1288 PRE_MEM_READ( "pselect6(exceptfds)", 1289 ARG4, ARG1/8 /* __FD_SETSIZE/8 */ ); 1290 if (ARG5 != 0) 1291 PRE_MEM_READ( "pselect6(timeout)", ARG5, sizeof(struct vki_timeval) ); 1292 if (ARG6 != 0) 1293 PRE_MEM_READ( "pselect6(sig)", ARG6, sizeof(void *)+sizeof(vki_size_t) ); 1294 } 1295 1296 PRE(sys_ppoll) 1297 { 1298 UInt i; 1299 struct vki_pollfd* ufds = (struct vki_pollfd *)ARG1; 1300 *flags |= SfMayBlock; 1301 PRINT("sys_ppoll ( %#lx, %lu, %#lx, %#lx, %lu )\n", ARG1,ARG2,ARG3,ARG4,ARG5); 1302 PRE_REG_READ5(long, "ppoll", 1303 struct vki_pollfd *, ufds, unsigned int, nfds, 1304 struct vki_timespec *, tsp, vki_sigset_t *, sigmask, 1305 vki_size_t, sigsetsize); 1306 1307 for (i = 0; i < ARG2; i++) { 1308 PRE_MEM_READ( "ppoll(ufds.fd)", 1309 (Addr)(&ufds[i].fd), sizeof(ufds[i].fd) ); 1310 PRE_MEM_READ( "ppoll(ufds.events)", 1311 (Addr)(&ufds[i].events), sizeof(ufds[i].events) ); 1312 PRE_MEM_WRITE( "ppoll(ufds.revents)", 1313 (Addr)(&ufds[i].revents), sizeof(ufds[i].revents) ); 1314 } 1315 1316 if (ARG3) 1317 PRE_MEM_READ( "ppoll(tsp)", ARG3, sizeof(struct vki_timespec) ); 1318 if (ARG4) 1319 PRE_MEM_READ( "ppoll(sigmask)", ARG4, sizeof(vki_sigset_t) ); 1320 } 1321 1322 POST(sys_ppoll) 1323 { 1324 if (RES > 0) { 1325 UInt i; 1326 struct vki_pollfd* ufds = (struct vki_pollfd *)ARG1; 1327 for (i = 0; i < ARG2; i++) 1328 POST_MEM_WRITE( (Addr)(&ufds[i].revents), sizeof(ufds[i].revents) ); 1329 } 1330 } 1331 1332 1333 /* --------------------------------------------------------------------- 1334 epoll_* wrappers 1335 ------------------------------------------------------------------ */ 1336 1337 PRE(sys_epoll_create) 1338 { 1339 PRINT("sys_epoll_create ( %ld )", SARG1); 1340 PRE_REG_READ1(long, "epoll_create", int, size); 1341 } 1342 POST(sys_epoll_create) 1343 { 1344 vg_assert(SUCCESS); 1345 if (!ML_(fd_allowed)(RES, "epoll_create", tid, True)) { 1346 VG_(close)(RES); 1347 SET_STATUS_Failure( VKI_EMFILE ); 1348 } else { 1349 if (VG_(clo_track_fds)) 1350 ML_(record_fd_open_nameless) (tid, RES); 1351 } 1352 } 1353 1354 PRE(sys_epoll_create1) 1355 { 1356 PRINT("sys_epoll_create1 ( %ld )", SARG1); 1357 PRE_REG_READ1(long, "epoll_create1", int, flags); 1358 } 1359 POST(sys_epoll_create1) 1360 { 1361 vg_assert(SUCCESS); 1362 if (!ML_(fd_allowed)(RES, "epoll_create1", tid, True)) { 1363 VG_(close)(RES); 1364 SET_STATUS_Failure( VKI_EMFILE ); 1365 } else { 1366 if (VG_(clo_track_fds)) 1367 ML_(record_fd_open_nameless) (tid, RES); 1368 } 1369 } 1370 1371 PRE(sys_epoll_ctl) 1372 { 1373 static const HChar* epoll_ctl_s[3] = { 1374 "EPOLL_CTL_ADD", 1375 "EPOLL_CTL_DEL", 1376 "EPOLL_CTL_MOD" 1377 }; 1378 PRINT("sys_epoll_ctl ( %ld, %s, %ld, %#lx )", 1379 SARG1, ( ARG2<3 ? epoll_ctl_s[ARG2] : "?" ), SARG3, ARG4); 1380 PRE_REG_READ4(long, "epoll_ctl", 1381 int, epfd, int, op, int, fd, struct vki_epoll_event *, event); 1382 if (ARG2 != VKI_EPOLL_CTL_DEL) 1383 PRE_MEM_READ( "epoll_ctl(event)", ARG4, sizeof(struct vki_epoll_event) ); 1384 } 1385 1386 PRE(sys_epoll_wait) 1387 { 1388 *flags |= SfMayBlock; 1389 PRINT("sys_epoll_wait ( %ld, %#lx, %ld, %ld )", SARG1, ARG2, SARG3, SARG4); 1390 PRE_REG_READ4(long, "epoll_wait", 1391 int, epfd, struct vki_epoll_event *, events, 1392 int, maxevents, int, timeout); 1393 PRE_MEM_WRITE( "epoll_wait(events)", ARG2, sizeof(struct vki_epoll_event)*ARG3); 1394 } 1395 POST(sys_epoll_wait) 1396 { 1397 vg_assert(SUCCESS); 1398 if (RES > 0) 1399 POST_MEM_WRITE( ARG2, sizeof(struct vki_epoll_event)*RES ) ; 1400 } 1401 1402 PRE(sys_epoll_pwait) 1403 { 1404 *flags |= SfMayBlock; 1405 PRINT("sys_epoll_pwait ( %ld, %#lx, %ld, %ld, %#lx, %lu )", 1406 SARG1, ARG2, SARG3, SARG4, ARG5, ARG6); 1407 PRE_REG_READ6(long, "epoll_pwait", 1408 int, epfd, struct vki_epoll_event *, events, 1409 int, maxevents, int, timeout, vki_sigset_t *, sigmask, 1410 vki_size_t, sigsetsize); 1411 PRE_MEM_WRITE( "epoll_pwait(events)", ARG2, sizeof(struct vki_epoll_event)*ARG3); 1412 if (ARG4) 1413 PRE_MEM_READ( "epoll_pwait(sigmask)", ARG5, sizeof(vki_sigset_t) ); 1414 } 1415 POST(sys_epoll_pwait) 1416 { 1417 vg_assert(SUCCESS); 1418 if (RES > 0) 1419 POST_MEM_WRITE( ARG2, sizeof(struct vki_epoll_event)*RES ) ; 1420 } 1421 1422 PRE(sys_eventfd) 1423 { 1424 PRINT("sys_eventfd ( %lu )", ARG1); 1425 PRE_REG_READ1(long, "sys_eventfd", unsigned int, count); 1426 } 1427 POST(sys_eventfd) 1428 { 1429 if (!ML_(fd_allowed)(RES, "eventfd", tid, True)) { 1430 VG_(close)(RES); 1431 SET_STATUS_Failure( VKI_EMFILE ); 1432 } else { 1433 if (VG_(clo_track_fds)) 1434 ML_(record_fd_open_nameless) (tid, RES); 1435 } 1436 } 1437 1438 PRE(sys_eventfd2) 1439 { 1440 PRINT("sys_eventfd2 ( %lu, %ld )", ARG1, SARG2); 1441 PRE_REG_READ2(long, "sys_eventfd2", unsigned int, count, int, flags); 1442 } 1443 POST(sys_eventfd2) 1444 { 1445 if (!ML_(fd_allowed)(RES, "eventfd2", tid, True)) { 1446 VG_(close)(RES); 1447 SET_STATUS_Failure( VKI_EMFILE ); 1448 } else { 1449 if (VG_(clo_track_fds)) 1450 ML_(record_fd_open_nameless) (tid, RES); 1451 } 1452 } 1453 1454 PRE(sys_fallocate) 1455 { 1456 *flags |= SfMayBlock; 1457 #if VG_WORDSIZE == 4 1458 PRINT("sys_fallocate ( %ld, %ld, %lld, %lld )", 1459 SARG1, SARG2, (Long)MERGE64(ARG3,ARG4), (Long)MERGE64(ARG5,ARG6)); 1460 PRE_REG_READ6(long, "fallocate", 1461 int, fd, int, mode, 1462 unsigned, MERGE64_FIRST(offset), unsigned, MERGE64_SECOND(offset), 1463 unsigned, MERGE64_FIRST(len), unsigned, MERGE64_SECOND(len)); 1464 #elif VG_WORDSIZE == 8 1465 PRINT("sys_fallocate ( %ld, %ld, %ld, %ld )", 1466 SARG1, SARG2, SARG3, SARG4); 1467 PRE_REG_READ4(long, "fallocate", 1468 int, fd, int, mode, vki_loff_t, offset, vki_loff_t, len); 1469 #else 1470 # error Unexpected word size 1471 #endif 1472 if (!ML_(fd_allowed)(ARG1, "fallocate", tid, False)) 1473 SET_STATUS_Failure( VKI_EBADF ); 1474 } 1475 1476 PRE(sys_prlimit64) 1477 { 1478 PRINT("sys_prlimit64 ( %ld, %lu, %#lx, %#lx )", SARG1,ARG2,ARG3,ARG4); 1479 PRE_REG_READ4(long, "prlimit64", 1480 vki_pid_t, pid, unsigned int, resource, 1481 const struct rlimit64 *, new_rlim, 1482 struct rlimit64 *, old_rlim); 1483 if (ARG3) 1484 PRE_MEM_READ( "rlimit64(new_rlim)", ARG3, sizeof(struct vki_rlimit64) ); 1485 if (ARG4) 1486 PRE_MEM_WRITE( "rlimit64(old_rlim)", ARG4, sizeof(struct vki_rlimit64) ); 1487 1488 if (ARG3 && 1489 ((struct vki_rlimit64 *)ARG3)->rlim_cur > ((struct vki_rlimit64 *)ARG3)->rlim_max) { 1490 SET_STATUS_Failure( VKI_EINVAL ); 1491 } 1492 else if (ARG1 == 0 || ARG1 == VG_(getpid)()) { 1493 switch (ARG2) { 1494 case VKI_RLIMIT_NOFILE: 1495 SET_STATUS_Success( 0 ); 1496 if (ARG4) { 1497 ((struct vki_rlimit64 *)ARG4)->rlim_cur = VG_(fd_soft_limit); 1498 ((struct vki_rlimit64 *)ARG4)->rlim_max = VG_(fd_hard_limit); 1499 } 1500 if (ARG3) { 1501 if (((struct vki_rlimit64 *)ARG3)->rlim_cur > VG_(fd_hard_limit) || 1502 ((struct vki_rlimit64 *)ARG3)->rlim_max != VG_(fd_hard_limit)) { 1503 SET_STATUS_Failure( VKI_EPERM ); 1504 } 1505 else { 1506 VG_(fd_soft_limit) = ((struct vki_rlimit64 *)ARG3)->rlim_cur; 1507 } 1508 } 1509 break; 1510 1511 case VKI_RLIMIT_DATA: 1512 SET_STATUS_Success( 0 ); 1513 if (ARG4) { 1514 ((struct vki_rlimit64 *)ARG4)->rlim_cur = VG_(client_rlimit_data).rlim_cur; 1515 ((struct vki_rlimit64 *)ARG4)->rlim_max = VG_(client_rlimit_data).rlim_max; 1516 } 1517 if (ARG3) { 1518 if (((struct vki_rlimit64 *)ARG3)->rlim_cur > VG_(client_rlimit_data).rlim_max || 1519 ((struct vki_rlimit64 *)ARG3)->rlim_max > VG_(client_rlimit_data).rlim_max) { 1520 SET_STATUS_Failure( VKI_EPERM ); 1521 } 1522 else { 1523 VG_(client_rlimit_data).rlim_cur = ((struct vki_rlimit64 *)ARG3)->rlim_cur; 1524 VG_(client_rlimit_data).rlim_max = ((struct vki_rlimit64 *)ARG3)->rlim_max; 1525 } 1526 } 1527 break; 1528 1529 case VKI_RLIMIT_STACK: 1530 SET_STATUS_Success( 0 ); 1531 if (ARG4) { 1532 ((struct vki_rlimit64 *)ARG4)->rlim_cur = VG_(client_rlimit_stack).rlim_cur; 1533 ((struct vki_rlimit64 *)ARG4)->rlim_max = VG_(client_rlimit_stack).rlim_max; 1534 } 1535 if (ARG3) { 1536 if (((struct vki_rlimit64 *)ARG3)->rlim_cur > VG_(client_rlimit_stack).rlim_max || 1537 ((struct vki_rlimit64 *)ARG3)->rlim_max > VG_(client_rlimit_stack).rlim_max) { 1538 SET_STATUS_Failure( VKI_EPERM ); 1539 } 1540 else { 1541 VG_(threads)[tid].client_stack_szB = ((struct vki_rlimit64 *)ARG3)->rlim_cur; 1542 VG_(client_rlimit_stack).rlim_cur = ((struct vki_rlimit64 *)ARG3)->rlim_cur; 1543 VG_(client_rlimit_stack).rlim_max = ((struct vki_rlimit64 *)ARG3)->rlim_max; 1544 } 1545 } 1546 break; 1547 } 1548 } 1549 } 1550 1551 POST(sys_prlimit64) 1552 { 1553 if (ARG4) 1554 POST_MEM_WRITE( ARG4, sizeof(struct vki_rlimit64) ); 1555 } 1556 1557 /* --------------------------------------------------------------------- 1558 tid-related wrappers 1559 ------------------------------------------------------------------ */ 1560 1561 PRE(sys_gettid) 1562 { 1563 PRINT("sys_gettid ()"); 1564 PRE_REG_READ0(long, "gettid"); 1565 } 1566 1567 PRE(sys_set_tid_address) 1568 { 1569 PRINT("sys_set_tid_address ( %#lx )", ARG1); 1570 PRE_REG_READ1(long, "set_tid_address", int *, tidptr); 1571 } 1572 1573 PRE(sys_tkill) 1574 { 1575 PRINT("sys_tgkill ( %ld, %ld )", SARG1, SARG2); 1576 PRE_REG_READ2(long, "tkill", int, tid, int, sig); 1577 if (!ML_(client_signal_OK)(ARG2)) { 1578 SET_STATUS_Failure( VKI_EINVAL ); 1579 return; 1580 } 1581 1582 /* Check to see if this kill gave us a pending signal */ 1583 *flags |= SfPollAfter; 1584 1585 if (VG_(clo_trace_signals)) 1586 VG_(message)(Vg_DebugMsg, "tkill: sending signal %ld to pid %ld\n", 1587 SARG2, SARG1); 1588 1589 /* If we're sending SIGKILL, check to see if the target is one of 1590 our threads and handle it specially. */ 1591 if (ARG2 == VKI_SIGKILL && ML_(do_sigkill)(ARG1, -1)) { 1592 SET_STATUS_Success(0); 1593 return; 1594 } 1595 1596 /* Ask to handle this syscall via the slow route, since that's the 1597 only one that sets tst->status to VgTs_WaitSys. If the result 1598 of doing the syscall is an immediate run of 1599 async_signalhandler() in m_signals, then we need the thread to 1600 be properly tidied away. I have the impression the previous 1601 version of this wrapper worked on x86/amd64 only because the 1602 kernel did not immediately deliver the async signal to this 1603 thread (on ppc it did, which broke the assertion re tst->status 1604 at the top of async_signalhandler()). */ 1605 *flags |= SfMayBlock; 1606 } 1607 POST(sys_tkill) 1608 { 1609 if (VG_(clo_trace_signals)) 1610 VG_(message)(Vg_DebugMsg, "tkill: sent signal %ld to pid %ld\n", 1611 SARG2, SARG1); 1612 } 1613 1614 PRE(sys_tgkill) 1615 { 1616 PRINT("sys_tgkill ( %ld, %ld, %ld )", SARG1, SARG2, SARG3); 1617 PRE_REG_READ3(long, "tgkill", int, tgid, int, tid, int, sig); 1618 if (!ML_(client_signal_OK)(ARG3)) { 1619 SET_STATUS_Failure( VKI_EINVAL ); 1620 return; 1621 } 1622 1623 /* Check to see if this kill gave us a pending signal */ 1624 *flags |= SfPollAfter; 1625 1626 if (VG_(clo_trace_signals)) 1627 VG_(message)(Vg_DebugMsg, 1628 "tgkill: sending signal %ld to pid %ld/%ld\n", 1629 SARG3, SARG1, SARG2); 1630 1631 /* If we're sending SIGKILL, check to see if the target is one of 1632 our threads and handle it specially. */ 1633 if (ARG3 == VKI_SIGKILL && ML_(do_sigkill)(ARG2, ARG1)) { 1634 SET_STATUS_Success(0); 1635 return; 1636 } 1637 1638 /* Ask to handle this syscall via the slow route, since that's the 1639 only one that sets tst->status to VgTs_WaitSys. If the result 1640 of doing the syscall is an immediate run of 1641 async_signalhandler() in m_signals, then we need the thread to 1642 be properly tidied away. I have the impression the previous 1643 version of this wrapper worked on x86/amd64 only because the 1644 kernel did not immediately deliver the async signal to this 1645 thread (on ppc it did, which broke the assertion re tst->status 1646 at the top of async_signalhandler()). */ 1647 *flags |= SfMayBlock; 1648 } 1649 POST(sys_tgkill) 1650 { 1651 if (VG_(clo_trace_signals)) 1652 VG_(message)(Vg_DebugMsg, 1653 "tgkill: sent signal %ld to pid %ld/%ld\n", 1654 SARG3, SARG1, SARG2); 1655 } 1656 1657 /* --------------------------------------------------------------------- 1658 fadvise64* wrappers 1659 ------------------------------------------------------------------ */ 1660 1661 PRE(sys_fadvise64) 1662 { 1663 PRINT("sys_fadvise64 ( %ld, %llu, %lu, %ld )", 1664 SARG1, MERGE64(ARG2,ARG3), ARG4, SARG5); 1665 PRE_REG_READ5(long, "fadvise64", 1666 int, fd, vki_u32, MERGE64_FIRST(offset), vki_u32, MERGE64_SECOND(offset), 1667 vki_size_t, len, int, advice); 1668 } 1669 1670 PRE(sys_fadvise64_64) 1671 { 1672 PRINT("sys_fadvise64_64 ( %ld, %llu, %llu, %ld )", 1673 SARG1, MERGE64(ARG2,ARG3), MERGE64(ARG4,ARG5), SARG6); 1674 PRE_REG_READ6(long, "fadvise64_64", 1675 int, fd, vki_u32, MERGE64_FIRST(offset), vki_u32, MERGE64_SECOND(offset), 1676 vki_u32, MERGE64_FIRST(len), vki_u32, MERGE64_SECOND(len), int, advice); 1677 } 1678 1679 /* --------------------------------------------------------------------- 1680 io_* wrappers 1681 ------------------------------------------------------------------ */ 1682 1683 // Nb: this wrapper has to pad/unpad memory around the syscall itself, 1684 // and this allows us to control exactly the code that gets run while 1685 // the padding is in place. 1686 1687 PRE(sys_io_setup) 1688 { 1689 PRINT("sys_io_setup ( %lu, %#lx )", ARG1,ARG2); 1690 PRE_REG_READ2(long, "io_setup", 1691 unsigned, nr_events, vki_aio_context_t *, ctxp); 1692 PRE_MEM_WRITE( "io_setup(ctxp)", ARG2, sizeof(vki_aio_context_t) ); 1693 } 1694 1695 POST(sys_io_setup) 1696 { 1697 SizeT size; 1698 struct vki_aio_ring *r; 1699 1700 size = VG_PGROUNDUP(sizeof(struct vki_aio_ring) + 1701 ARG1*sizeof(struct vki_io_event)); 1702 r = *(struct vki_aio_ring **)ARG2; 1703 vg_assert(ML_(valid_client_addr)((Addr)r, size, tid, "io_setup")); 1704 1705 ML_(notify_core_and_tool_of_mmap)( (Addr)r, size, 1706 VKI_PROT_READ | VKI_PROT_WRITE, 1707 VKI_MAP_ANONYMOUS, -1, 0 ); 1708 1709 POST_MEM_WRITE( ARG2, sizeof(vki_aio_context_t) ); 1710 } 1711 1712 // Nb: This wrapper is "Special" because we need 'size' to do the unmap 1713 // after the syscall. We must get 'size' from the aio_ring structure, 1714 // before the syscall, while the aio_ring structure still exists. (And we 1715 // know that we must look at the aio_ring structure because Tom inspected the 1716 // kernel and glibc sources to see what they do, yuk.) 1717 // 1718 // XXX This segment can be implicitly unmapped when aio 1719 // file-descriptors are closed... 1720 PRE(sys_io_destroy) 1721 { 1722 SizeT size = 0; 1723 1724 PRINT("sys_io_destroy ( %llu )", (ULong)ARG1); 1725 PRE_REG_READ1(long, "io_destroy", vki_aio_context_t, ctx); 1726 1727 // If we are going to seg fault (due to a bogus ARG1) do it as late as 1728 // possible... 1729 if (ML_(safe_to_deref)( (void*)ARG1, sizeof(struct vki_aio_ring))) { 1730 struct vki_aio_ring *r = (struct vki_aio_ring *)ARG1; 1731 size = VG_PGROUNDUP(sizeof(struct vki_aio_ring) + 1732 r->nr*sizeof(struct vki_io_event)); 1733 } 1734 1735 SET_STATUS_from_SysRes( VG_(do_syscall1)(SYSNO, ARG1) ); 1736 1737 if (SUCCESS && RES == 0) { 1738 Bool d = VG_(am_notify_munmap)( ARG1, size ); 1739 VG_TRACK( die_mem_munmap, ARG1, size ); 1740 if (d) 1741 VG_(discard_translations)( (Addr)ARG1, (ULong)size, 1742 "PRE(sys_io_destroy)" ); 1743 } 1744 } 1745 1746 PRE(sys_io_getevents) 1747 { 1748 *flags |= SfMayBlock; 1749 PRINT("sys_io_getevents ( %llu, %lld, %lld, %#lx, %#lx )", 1750 (ULong)ARG1,(Long)ARG2,(Long)ARG3,ARG4,ARG5); 1751 PRE_REG_READ5(long, "io_getevents", 1752 vki_aio_context_t, ctx_id, long, min_nr, long, nr, 1753 struct io_event *, events, 1754 struct timespec *, timeout); 1755 if (ARG3 > 0) 1756 PRE_MEM_WRITE( "io_getevents(events)", 1757 ARG4, sizeof(struct vki_io_event)*ARG3 ); 1758 if (ARG5 != 0) 1759 PRE_MEM_READ( "io_getevents(timeout)", 1760 ARG5, sizeof(struct vki_timespec)); 1761 } 1762 POST(sys_io_getevents) 1763 { 1764 Int i; 1765 vg_assert(SUCCESS); 1766 if (RES > 0) { 1767 POST_MEM_WRITE( ARG4, sizeof(struct vki_io_event)*RES ); 1768 for (i = 0; i < RES; i++) { 1769 const struct vki_io_event *vev = ((struct vki_io_event *)ARG4) + i; 1770 const struct vki_iocb *cb = (struct vki_iocb *)(Addr)vev->obj; 1771 1772 switch (cb->aio_lio_opcode) { 1773 case VKI_IOCB_CMD_PREAD: 1774 if (vev->result > 0) 1775 POST_MEM_WRITE( cb->aio_buf, vev->result ); 1776 break; 1777 1778 case VKI_IOCB_CMD_PWRITE: 1779 break; 1780 1781 case VKI_IOCB_CMD_FSYNC: 1782 break; 1783 1784 case VKI_IOCB_CMD_FDSYNC: 1785 break; 1786 1787 case VKI_IOCB_CMD_PREADV: 1788 if (vev->result > 0) { 1789 struct vki_iovec * vec = (struct vki_iovec *)(Addr)cb->aio_buf; 1790 Int remains = vev->result; 1791 Int j; 1792 1793 for (j = 0; j < cb->aio_nbytes; j++) { 1794 Int nReadThisBuf = vec[j].iov_len; 1795 if (nReadThisBuf > remains) nReadThisBuf = remains; 1796 POST_MEM_WRITE( (Addr)vec[j].iov_base, nReadThisBuf ); 1797 remains -= nReadThisBuf; 1798 if (remains < 0) VG_(core_panic)("io_getevents(PREADV): remains < 0"); 1799 } 1800 } 1801 break; 1802 1803 case VKI_IOCB_CMD_PWRITEV: 1804 break; 1805 1806 default: 1807 VG_(message)(Vg_DebugMsg, 1808 "Warning: unhandled io_getevents opcode: %u\n", 1809 cb->aio_lio_opcode); 1810 break; 1811 } 1812 } 1813 } 1814 } 1815 1816 PRE(sys_io_submit) 1817 { 1818 Int i, j; 1819 1820 PRINT("sys_io_submit ( %lu, %ld, %#lx )", ARG1, SARG2, ARG3); 1821 PRE_REG_READ3(long, "io_submit", 1822 vki_aio_context_t, ctx_id, long, nr, 1823 struct iocb **, iocbpp); 1824 PRE_MEM_READ( "io_submit(iocbpp)", ARG3, ARG2*sizeof(struct vki_iocb *) ); 1825 if (ARG3 != 0) { 1826 for (i = 0; i < ARG2; i++) { 1827 struct vki_iocb *cb = ((struct vki_iocb **)ARG3)[i]; 1828 struct vki_iovec *iov; 1829 1830 PRE_MEM_READ( "io_submit(iocb)", (Addr)cb, sizeof(struct vki_iocb) ); 1831 switch (cb->aio_lio_opcode) { 1832 case VKI_IOCB_CMD_PREAD: 1833 PRE_MEM_WRITE( "io_submit(PREAD)", cb->aio_buf, cb->aio_nbytes ); 1834 break; 1835 1836 case VKI_IOCB_CMD_PWRITE: 1837 PRE_MEM_READ( "io_submit(PWRITE)", cb->aio_buf, cb->aio_nbytes ); 1838 break; 1839 1840 case VKI_IOCB_CMD_FSYNC: 1841 break; 1842 1843 case VKI_IOCB_CMD_FDSYNC: 1844 break; 1845 1846 case VKI_IOCB_CMD_PREADV: 1847 iov = (struct vki_iovec *)(Addr)cb->aio_buf; 1848 PRE_MEM_READ( "io_submit(PREADV)", cb->aio_buf, cb->aio_nbytes * sizeof(struct vki_iovec) ); 1849 for (j = 0; j < cb->aio_nbytes; j++) 1850 PRE_MEM_WRITE( "io_submit(PREADV(iov[i]))", (Addr)iov[j].iov_base, iov[j].iov_len ); 1851 break; 1852 1853 case VKI_IOCB_CMD_PWRITEV: 1854 iov = (struct vki_iovec *)(Addr)cb->aio_buf; 1855 PRE_MEM_READ( "io_submit(PWRITEV)", cb->aio_buf, cb->aio_nbytes * sizeof(struct vki_iovec) ); 1856 for (j = 0; j < cb->aio_nbytes; j++) 1857 PRE_MEM_READ( "io_submit(PWRITEV(iov[i]))", (Addr)iov[j].iov_base, iov[j].iov_len ); 1858 break; 1859 1860 default: 1861 VG_(message)(Vg_DebugMsg,"Warning: unhandled io_submit opcode: %u\n", 1862 cb->aio_lio_opcode); 1863 break; 1864 } 1865 } 1866 } 1867 } 1868 1869 PRE(sys_io_cancel) 1870 { 1871 PRINT("sys_io_cancel ( %llu, %#lx, %#lx )", (ULong)ARG1,ARG2,ARG3); 1872 PRE_REG_READ3(long, "io_cancel", 1873 vki_aio_context_t, ctx_id, struct iocb *, iocb, 1874 struct io_event *, result); 1875 PRE_MEM_READ( "io_cancel(iocb)", ARG2, sizeof(struct vki_iocb) ); 1876 PRE_MEM_WRITE( "io_cancel(result)", ARG3, sizeof(struct vki_io_event) ); 1877 } 1878 POST(sys_io_cancel) 1879 { 1880 POST_MEM_WRITE( ARG3, sizeof(struct vki_io_event) ); 1881 } 1882 1883 /* --------------------------------------------------------------------- 1884 *_mempolicy wrappers 1885 ------------------------------------------------------------------ */ 1886 1887 PRE(sys_mbind) 1888 { 1889 PRINT("sys_mbind ( %#lx, %lu, %lu, %#lx, %lu, %lu )", ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); 1890 PRE_REG_READ6(long, "mbind", 1891 unsigned long, start, unsigned long, len, 1892 unsigned long, policy, unsigned long *, nodemask, 1893 unsigned long, maxnode, unsigned, flags); 1894 if (ARG1 != 0) 1895 PRE_MEM_READ( "mbind(nodemask)", ARG4, 1896 VG_ROUNDUP( ARG5-1, sizeof(UWord) * 8 ) / 8 ); 1897 } 1898 1899 PRE(sys_set_mempolicy) 1900 { 1901 PRINT("sys_set_mempolicy ( %ld, %#lx, %lu )", SARG1, ARG2, ARG3); 1902 PRE_REG_READ3(long, "set_mempolicy", 1903 int, policy, unsigned long *, nodemask, 1904 unsigned long, maxnode); 1905 PRE_MEM_READ( "set_mempolicy(nodemask)", ARG2, 1906 VG_ROUNDUP( ARG3-1, sizeof(UWord) * 8 ) / 8 ); 1907 } 1908 1909 PRE(sys_get_mempolicy) 1910 { 1911 PRINT("sys_get_mempolicy ( %#lx, %#lx, %lu, %#lx, %lx )", ARG1,ARG2,ARG3,ARG4,ARG5); 1912 PRE_REG_READ5(long, "get_mempolicy", 1913 int *, policy, unsigned long *, nodemask, 1914 unsigned long, maxnode, unsigned long, addr, 1915 unsigned long, flags); 1916 if (ARG1 != 0) 1917 PRE_MEM_WRITE( "get_mempolicy(policy)", ARG1, sizeof(Int) ); 1918 if (ARG2 != 0) 1919 PRE_MEM_WRITE( "get_mempolicy(nodemask)", ARG2, 1920 VG_ROUNDUP( ARG3-1, sizeof(UWord) * 8 ) / 8 ); 1921 } 1922 POST(sys_get_mempolicy) 1923 { 1924 if (ARG1 != 0) 1925 POST_MEM_WRITE( ARG1, sizeof(Int) ); 1926 if (ARG2 != 0) 1927 POST_MEM_WRITE( ARG2, VG_ROUNDUP( ARG3-1, sizeof(UWord) * 8 ) / 8 ); 1928 } 1929 1930 /* --------------------------------------------------------------------- 1931 fanotify_* wrappers 1932 ------------------------------------------------------------------ */ 1933 1934 PRE(sys_fanotify_init) 1935 { 1936 PRINT("sys_fanotify_init ( %lu, %lu )", ARG1,ARG2); 1937 PRE_REG_READ2(long, "fanotify_init", 1938 unsigned int, flags, unsigned int, event_f_flags); 1939 } 1940 1941 POST(sys_fanotify_init) 1942 { 1943 vg_assert(SUCCESS); 1944 if (!ML_(fd_allowed)(RES, "fanotify_init", tid, True)) { 1945 VG_(close)(RES); 1946 SET_STATUS_Failure( VKI_EMFILE ); 1947 } else { 1948 if (VG_(clo_track_fds)) 1949 ML_(record_fd_open_nameless) (tid, RES); 1950 } 1951 } 1952 1953 PRE(sys_fanotify_mark) 1954 { 1955 #if VG_WORDSIZE == 4 1956 PRINT( "sys_fanotify_mark ( %ld, %lu, %llu, %ld, %#lx(%s))", 1957 SARG1, ARG2, MERGE64(ARG3,ARG4), SARG5, ARG6, (HChar *)ARG6); 1958 PRE_REG_READ6(long, "sys_fanotify_mark", 1959 int, fanotify_fd, unsigned int, flags, 1960 __vki_u32, mask0, __vki_u32, mask1, 1961 int, dfd, const char *, pathname); 1962 if (ARG6) 1963 PRE_MEM_RASCIIZ( "fanotify_mark(path)", ARG6); 1964 #elif VG_WORDSIZE == 8 1965 PRINT( "sys_fanotify_mark ( %ld, %lu, %lu, %ld, %#lx(%s))", 1966 SARG1, ARG2, ARG3, SARG4, ARG5, (HChar *)ARG5); 1967 PRE_REG_READ5(long, "sys_fanotify_mark", 1968 int, fanotify_fd, unsigned int, flags, 1969 __vki_u64, mask, 1970 int, dfd, const char *, pathname); 1971 if (ARG5) 1972 PRE_MEM_RASCIIZ( "fanotify_mark(path)", ARG5); 1973 #else 1974 # error Unexpected word size 1975 #endif 1976 } 1977 1978 /* --------------------------------------------------------------------- 1979 inotify_* wrappers 1980 ------------------------------------------------------------------ */ 1981 1982 PRE(sys_inotify_init) 1983 { 1984 PRINT("sys_inotify_init ( )"); 1985 PRE_REG_READ0(long, "inotify_init"); 1986 } 1987 POST(sys_inotify_init) 1988 { 1989 vg_assert(SUCCESS); 1990 if (!ML_(fd_allowed)(RES, "inotify_init", tid, True)) { 1991 VG_(close)(RES); 1992 SET_STATUS_Failure( VKI_EMFILE ); 1993 } else { 1994 if (VG_(clo_track_fds)) 1995 ML_(record_fd_open_nameless) (tid, RES); 1996 } 1997 } 1998 1999 PRE(sys_inotify_init1) 2000 { 2001 PRINT("sys_inotify_init ( %ld )", SARG1); 2002 PRE_REG_READ1(long, "inotify_init", int, flag); 2003 } 2004 2005 POST(sys_inotify_init1) 2006 { 2007 vg_assert(SUCCESS); 2008 if (!ML_(fd_allowed)(RES, "inotify_init", tid, True)) { 2009 VG_(close)(RES); 2010 SET_STATUS_Failure( VKI_EMFILE ); 2011 } else { 2012 if (VG_(clo_track_fds)) 2013 ML_(record_fd_open_nameless) (tid, RES); 2014 } 2015 } 2016 2017 PRE(sys_inotify_add_watch) 2018 { 2019 PRINT( "sys_inotify_add_watch ( %ld, %#lx, %lx )", SARG1, ARG2, ARG3); 2020 PRE_REG_READ3(long, "inotify_add_watch", int, fd, char *, path, int, mask); 2021 PRE_MEM_RASCIIZ( "inotify_add_watch(path)", ARG2 ); 2022 } 2023 2024 PRE(sys_inotify_rm_watch) 2025 { 2026 PRINT( "sys_inotify_rm_watch ( %ld, %lx )", SARG1, ARG2); 2027 PRE_REG_READ2(long, "inotify_rm_watch", int, fd, int, wd); 2028 } 2029 2030 /* --------------------------------------------------------------------- 2031 mq_* wrappers 2032 ------------------------------------------------------------------ */ 2033 2034 PRE(sys_mq_open) 2035 { 2036 PRINT("sys_mq_open( %#lx(%s), %ld, %lu, %#lx )", 2037 ARG1, (HChar*)ARG1, SARG2, ARG3, ARG4); 2038 PRE_REG_READ4(long, "mq_open", 2039 const char *, name, int, oflag, vki_mode_t, mode, 2040 struct mq_attr *, attr); 2041 PRE_MEM_RASCIIZ( "mq_open(name)", ARG1 ); 2042 if ((ARG2 & VKI_O_CREAT) != 0 && ARG4 != 0) { 2043 const struct vki_mq_attr *attr = (struct vki_mq_attr *)ARG4; 2044 PRE_MEM_READ( "mq_open(attr->mq_maxmsg)", 2045 (Addr)&attr->mq_maxmsg, sizeof(attr->mq_maxmsg) ); 2046 PRE_MEM_READ( "mq_open(attr->mq_msgsize)", 2047 (Addr)&attr->mq_msgsize, sizeof(attr->mq_msgsize) ); 2048 } 2049 } 2050 POST(sys_mq_open) 2051 { 2052 vg_assert(SUCCESS); 2053 if (!ML_(fd_allowed)(RES, "mq_open", tid, True)) { 2054 VG_(close)(RES); 2055 SET_STATUS_Failure( VKI_EMFILE ); 2056 } else { 2057 if (VG_(clo_track_fds)) 2058 ML_(record_fd_open_with_given_name)(tid, RES, (HChar*)ARG1); 2059 } 2060 } 2061 2062 PRE(sys_mq_unlink) 2063 { 2064 PRINT("sys_mq_unlink ( %#lx(%s) )", ARG1,(char*)ARG1); 2065 PRE_REG_READ1(long, "mq_unlink", const char *, name); 2066 PRE_MEM_RASCIIZ( "mq_unlink(name)", ARG1 ); 2067 } 2068 2069 PRE(sys_mq_timedsend) 2070 { 2071 *flags |= SfMayBlock; 2072 PRINT("sys_mq_timedsend ( %ld, %#lx, %lu, %lu, %#lx )", 2073 SARG1,ARG2,ARG3,ARG4,ARG5); 2074 PRE_REG_READ5(long, "mq_timedsend", 2075 vki_mqd_t, mqdes, const char *, msg_ptr, vki_size_t, msg_len, 2076 unsigned int, msg_prio, const struct timespec *, abs_timeout); 2077 if (!ML_(fd_allowed)(ARG1, "mq_timedsend", tid, False)) { 2078 SET_STATUS_Failure( VKI_EBADF ); 2079 } else { 2080 PRE_MEM_READ( "mq_timedsend(msg_ptr)", ARG2, ARG3 ); 2081 if (ARG5 != 0) 2082 PRE_MEM_READ( "mq_timedsend(abs_timeout)", ARG5, 2083 sizeof(struct vki_timespec) ); 2084 } 2085 } 2086 2087 PRE(sys_mq_timedreceive) 2088 { 2089 *flags |= SfMayBlock; 2090 PRINT("sys_mq_timedreceive( %ld, %#lx, %lu, %#lx, %#lx )", 2091 SARG1,ARG2,ARG3,ARG4,ARG5); 2092 PRE_REG_READ5(ssize_t, "mq_timedreceive", 2093 vki_mqd_t, mqdes, char *, msg_ptr, vki_size_t, msg_len, 2094 unsigned int *, msg_prio, 2095 const struct timespec *, abs_timeout); 2096 if (!ML_(fd_allowed)(ARG1, "mq_timedreceive", tid, False)) { 2097 SET_STATUS_Failure( VKI_EBADF ); 2098 } else { 2099 PRE_MEM_WRITE( "mq_timedreceive(msg_ptr)", ARG2, ARG3 ); 2100 if (ARG4 != 0) 2101 PRE_MEM_WRITE( "mq_timedreceive(msg_prio)", 2102 ARG4, sizeof(unsigned int) ); 2103 if (ARG5 != 0) 2104 PRE_MEM_READ( "mq_timedreceive(abs_timeout)", 2105 ARG5, sizeof(struct vki_timespec) ); 2106 } 2107 } 2108 POST(sys_mq_timedreceive) 2109 { 2110 POST_MEM_WRITE( ARG2, RES ); 2111 if (ARG4 != 0) 2112 POST_MEM_WRITE( ARG4, sizeof(unsigned int) ); 2113 } 2114 2115 PRE(sys_mq_notify) 2116 { 2117 PRINT("sys_mq_notify( %ld, %#lx )", SARG1, ARG2 ); 2118 PRE_REG_READ2(long, "mq_notify", 2119 vki_mqd_t, mqdes, const struct sigevent *, notification); 2120 if (!ML_(fd_allowed)(ARG1, "mq_notify", tid, False)) 2121 SET_STATUS_Failure( VKI_EBADF ); 2122 else if (ARG2 != 0) 2123 PRE_MEM_READ( "mq_notify(notification)", 2124 ARG2, sizeof(struct vki_sigevent) ); 2125 } 2126 2127 PRE(sys_mq_getsetattr) 2128 { 2129 PRINT("sys_mq_getsetattr( %ld, %#lx, %#lx )", SARG1,ARG2,ARG3 ); 2130 PRE_REG_READ3(long, "mq_getsetattr", 2131 vki_mqd_t, mqdes, const struct mq_attr *, mqstat, 2132 struct mq_attr *, omqstat); 2133 if (!ML_(fd_allowed)(ARG1, "mq_getsetattr", tid, False)) { 2134 SET_STATUS_Failure( VKI_EBADF ); 2135 } else { 2136 if (ARG2 != 0) { 2137 const struct vki_mq_attr *attr = (struct vki_mq_attr *)ARG2; 2138 PRE_MEM_READ( "mq_getsetattr(mqstat->mq_flags)", 2139 (Addr)&attr->mq_flags, sizeof(attr->mq_flags) ); 2140 } 2141 if (ARG3 != 0) 2142 PRE_MEM_WRITE( "mq_getsetattr(omqstat)", ARG3, 2143 sizeof(struct vki_mq_attr) ); 2144 } 2145 } 2146 POST(sys_mq_getsetattr) 2147 { 2148 if (ARG3 != 0) 2149 POST_MEM_WRITE( ARG3, sizeof(struct vki_mq_attr) ); 2150 } 2151 2152 /* --------------------------------------------------------------------- 2153 clock_* wrappers 2154 ------------------------------------------------------------------ */ 2155 2156 PRE(sys_clock_settime) 2157 { 2158 PRINT("sys_clock_settime( %ld, %#lx )", SARG1, ARG2); 2159 PRE_REG_READ2(long, "clock_settime", 2160 vki_clockid_t, clk_id, const struct timespec *, tp); 2161 PRE_MEM_READ( "clock_settime(tp)", ARG2, sizeof(struct vki_timespec) ); 2162 } 2163 2164 PRE(sys_clock_gettime) 2165 { 2166 PRINT("sys_clock_gettime( %ld, %#lx )" , SARG1, ARG2); 2167 PRE_REG_READ2(long, "clock_gettime", 2168 vki_clockid_t, clk_id, struct timespec *, tp); 2169 PRE_MEM_WRITE( "clock_gettime(tp)", ARG2, sizeof(struct vki_timespec) ); 2170 } 2171 POST(sys_clock_gettime) 2172 { 2173 POST_MEM_WRITE( ARG2, sizeof(struct vki_timespec) ); 2174 } 2175 2176 PRE(sys_clock_getres) 2177 { 2178 PRINT("sys_clock_getres( %ld, %#lx )" , SARG1, ARG2); 2179 // Nb: we can't use "RES" as the param name because that's a macro 2180 // defined above! 2181 PRE_REG_READ2(long, "clock_getres", 2182 vki_clockid_t, clk_id, struct timespec *, res); 2183 if (ARG2 != 0) 2184 PRE_MEM_WRITE( "clock_getres(res)", ARG2, sizeof(struct vki_timespec) ); 2185 } 2186 POST(sys_clock_getres) 2187 { 2188 if (ARG2 != 0) 2189 POST_MEM_WRITE( ARG2, sizeof(struct vki_timespec) ); 2190 } 2191 2192 PRE(sys_clock_nanosleep) 2193 { 2194 *flags |= SfMayBlock|SfPostOnFail; 2195 PRINT("sys_clock_nanosleep( %ld, %ld, %#lx, %#lx )", 2196 SARG1, SARG2, ARG3, ARG4); 2197 PRE_REG_READ4(int32_t, "clock_nanosleep", 2198 vki_clockid_t, clkid, int, flags, 2199 const struct timespec *, rqtp, struct timespec *, rmtp); 2200 PRE_MEM_READ( "clock_nanosleep(rqtp)", ARG3, sizeof(struct vki_timespec) ); 2201 if (ARG4 != 0) 2202 PRE_MEM_WRITE( "clock_nanosleep(rmtp)", ARG4, sizeof(struct vki_timespec) ); 2203 } 2204 POST(sys_clock_nanosleep) 2205 { 2206 if (ARG4 != 0 && FAILURE && ERR == VKI_EINTR) 2207 POST_MEM_WRITE( ARG4, sizeof(struct vki_timespec) ); 2208 } 2209 2210 /* --------------------------------------------------------------------- 2211 timer_* wrappers 2212 ------------------------------------------------------------------ */ 2213 2214 PRE(sys_timer_create) 2215 { 2216 PRINT("sys_timer_create( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3); 2217 PRE_REG_READ3(long, "timer_create", 2218 vki_clockid_t, clockid, struct sigevent *, evp, 2219 vki_timer_t *, timerid); 2220 if (ARG2 != 0) { 2221 struct vki_sigevent *evp = (struct vki_sigevent *) ARG2; 2222 PRE_MEM_READ( "timer_create(evp.sigev_value)", (Addr)&evp->sigev_value, 2223 sizeof(vki_sigval_t) ); 2224 PRE_MEM_READ( "timer_create(evp.sigev_signo)", (Addr)&evp->sigev_signo, 2225 sizeof(int) ); 2226 PRE_MEM_READ( "timer_create(evp.sigev_notify)", (Addr)&evp->sigev_notify, 2227 sizeof(int) ); 2228 if (ML_(safe_to_deref)(&evp->sigev_notify, sizeof(int)) 2229 && (evp->sigev_notify & VKI_SIGEV_THREAD_ID) != 0) 2230 PRE_MEM_READ( "timer_create(evp.sigev_notify_thread_id)", 2231 (Addr)&evp->vki_sigev_notify_thread_id, sizeof(int) ); 2232 } 2233 PRE_MEM_WRITE( "timer_create(timerid)", ARG3, sizeof(vki_timer_t) ); 2234 } 2235 POST(sys_timer_create) 2236 { 2237 POST_MEM_WRITE( ARG3, sizeof(vki_timer_t) ); 2238 } 2239 2240 PRE(sys_timer_settime) 2241 { 2242 PRINT("sys_timer_settime( %ld, %ld, %#lx, %#lx )", SARG1,SARG2,ARG3,ARG4); 2243 PRE_REG_READ4(long, "timer_settime", 2244 vki_timer_t, timerid, int, flags, 2245 const struct itimerspec *, value, 2246 struct itimerspec *, ovalue); 2247 PRE_MEM_READ( "timer_settime(value)", ARG3, 2248 sizeof(struct vki_itimerspec) ); 2249 if (ARG4 != 0) 2250 PRE_MEM_WRITE( "timer_settime(ovalue)", ARG4, 2251 sizeof(struct vki_itimerspec) ); 2252 } 2253 POST(sys_timer_settime) 2254 { 2255 if (ARG4 != 0) 2256 POST_MEM_WRITE( ARG4, sizeof(struct vki_itimerspec) ); 2257 } 2258 2259 PRE(sys_timer_gettime) 2260 { 2261 PRINT("sys_timer_gettime( %ld, %#lx )", SARG1, ARG2); 2262 PRE_REG_READ2(long, "timer_gettime", 2263 vki_timer_t, timerid, struct itimerspec *, value); 2264 PRE_MEM_WRITE( "timer_gettime(value)", ARG2, 2265 sizeof(struct vki_itimerspec)); 2266 } 2267 POST(sys_timer_gettime) 2268 { 2269 POST_MEM_WRITE( ARG2, sizeof(struct vki_itimerspec) ); 2270 } 2271 2272 PRE(sys_timer_getoverrun) 2273 { 2274 PRINT("sys_timer_getoverrun( %#lx )", ARG1); 2275 PRE_REG_READ1(long, "timer_getoverrun", vki_timer_t, timerid); 2276 } 2277 2278 PRE(sys_timer_delete) 2279 { 2280 PRINT("sys_timer_delete( %#lx )", ARG1); 2281 PRE_REG_READ1(long, "timer_delete", vki_timer_t, timerid); 2282 } 2283 2284 /* --------------------------------------------------------------------- 2285 timerfd* wrappers 2286 See also http://lwn.net/Articles/260172/ for an overview. 2287 See also /usr/src/linux/fs/timerfd.c for the implementation. 2288 ------------------------------------------------------------------ */ 2289 2290 /* Returns True if running on 2.6.22, else False (or False if 2291 cannot be determined). */ 2292 static Bool linux_kernel_2_6_22(void) 2293 { 2294 static Int result = -1; 2295 Int fd, read; 2296 HChar release[64]; // large enough 2297 SysRes res; 2298 2299 if (result == -1) { 2300 res = VG_(open)("/proc/sys/kernel/osrelease", 0, 0); 2301 if (sr_isError(res)) 2302 return False; 2303 fd = sr_Res(res); 2304 read = VG_(read)(fd, release, sizeof(release) - 1); 2305 if (read < 0) 2306 return False; 2307 release[read] = 0; 2308 VG_(close)(fd); 2309 //VG_(printf)("kernel release = %s\n", release); 2310 result = VG_(strncmp)(release, "2.6.22", 6) == 0 2311 && ! VG_(isdigit)(release[6]); 2312 } 2313 vg_assert(result == 0 || result == 1); 2314 return result == 1; 2315 } 2316 2317 PRE(sys_timerfd_create) 2318 { 2319 if (linux_kernel_2_6_22()) { 2320 /* 2.6.22 kernel: timerfd system call. */ 2321 PRINT("sys_timerfd ( %ld, %ld, %#lx )", SARG1, SARG2, ARG3); 2322 PRE_REG_READ3(long, "sys_timerfd", 2323 int, fd, int, clockid, const struct itimerspec *, tmr); 2324 PRE_MEM_READ("timerfd(tmr)", ARG3, 2325 sizeof(struct vki_itimerspec) ); 2326 if ((Word)ARG1 != -1L && !ML_(fd_allowed)(ARG1, "timerfd", tid, False)) 2327 SET_STATUS_Failure( VKI_EBADF ); 2328 } else { 2329 /* 2.6.24 and later kernels: timerfd_create system call. */ 2330 PRINT("sys_timerfd_create (%ld, %ld )", SARG1, SARG2); 2331 PRE_REG_READ2(long, "timerfd_create", int, clockid, int, flags); 2332 } 2333 } 2334 POST(sys_timerfd_create) 2335 { 2336 if (linux_kernel_2_6_22()) 2337 { 2338 /* 2.6.22 kernel: timerfd system call. */ 2339 if (!ML_(fd_allowed)(RES, "timerfd", tid, True)) { 2340 VG_(close)(RES); 2341 SET_STATUS_Failure( VKI_EMFILE ); 2342 } else { 2343 if (VG_(clo_track_fds)) 2344 ML_(record_fd_open_nameless) (tid, RES); 2345 } 2346 } 2347 else 2348 { 2349 /* 2.6.24 and later kernels: timerfd_create system call. */ 2350 if (!ML_(fd_allowed)(RES, "timerfd_create", tid, True)) { 2351 VG_(close)(RES); 2352 SET_STATUS_Failure( VKI_EMFILE ); 2353 } else { 2354 if (VG_(clo_track_fds)) 2355 ML_(record_fd_open_nameless) (tid, RES); 2356 } 2357 } 2358 } 2359 2360 PRE(sys_timerfd_gettime) 2361 { 2362 PRINT("sys_timerfd_gettime ( %ld, %#lx )", SARG1, ARG2); 2363 PRE_REG_READ2(long, "timerfd_gettime", 2364 int, ufd, 2365 struct vki_itimerspec*, otmr); 2366 if (!ML_(fd_allowed)(ARG1, "timerfd_gettime", tid, False)) 2367 SET_STATUS_Failure(VKI_EBADF); 2368 else 2369 PRE_MEM_WRITE("timerfd_gettime(result)", 2370 ARG2, sizeof(struct vki_itimerspec)); 2371 } 2372 POST(sys_timerfd_gettime) 2373 { 2374 if (RES == 0) 2375 POST_MEM_WRITE(ARG2, sizeof(struct vki_itimerspec)); 2376 } 2377 2378 PRE(sys_timerfd_settime) 2379 { 2380 PRINT("sys_timerfd_settime ( %ld, %ld, %#lx, %#lx )", 2381 SARG1, SARG2, ARG3, ARG4); 2382 PRE_REG_READ4(long, "timerfd_settime", 2383 int, ufd, 2384 int, flags, 2385 const struct vki_itimerspec*, utmr, 2386 struct vki_itimerspec*, otmr); 2387 if (!ML_(fd_allowed)(ARG1, "timerfd_settime", tid, False)) 2388 SET_STATUS_Failure(VKI_EBADF); 2389 else 2390 { 2391 PRE_MEM_READ("timerfd_settime(result)", 2392 ARG3, sizeof(struct vki_itimerspec)); 2393 if (ARG4) 2394 { 2395 PRE_MEM_WRITE("timerfd_settime(result)", 2396 ARG4, sizeof(struct vki_itimerspec)); 2397 } 2398 } 2399 } 2400 POST(sys_timerfd_settime) 2401 { 2402 if (RES == 0 && ARG4 != 0) 2403 POST_MEM_WRITE(ARG4, sizeof(struct vki_itimerspec)); 2404 } 2405 2406 /* --------------------------------------------------------------------- 2407 capabilities wrappers 2408 ------------------------------------------------------------------ */ 2409 2410 PRE(sys_capget) 2411 { 2412 PRINT("sys_capget ( %#lx, %#lx )", ARG1, ARG2 ); 2413 PRE_REG_READ2(long, "capget", 2414 vki_cap_user_header_t, header, vki_cap_user_data_t, data); 2415 PRE_MEM_READ( "capget(header)", ARG1, 2416 sizeof(struct __vki_user_cap_header_struct) ); 2417 if (ARG2 != (Addr)NULL) 2418 PRE_MEM_WRITE( "capget(data)", ARG2, 2419 sizeof(struct __vki_user_cap_data_struct) ); 2420 } 2421 POST(sys_capget) 2422 { 2423 if (ARG2 != (Addr)NULL) 2424 POST_MEM_WRITE( ARG2, sizeof(struct __vki_user_cap_data_struct) ); 2425 } 2426 2427 PRE(sys_capset) 2428 { 2429 PRINT("sys_capset ( %#lx, %#lx )", ARG1, ARG2 ); 2430 PRE_REG_READ2(long, "capset", 2431 vki_cap_user_header_t, header, 2432 const vki_cap_user_data_t, data); 2433 PRE_MEM_READ( "capset(header)", 2434 ARG1, sizeof(struct __vki_user_cap_header_struct) ); 2435 PRE_MEM_READ( "capset(data)", 2436 ARG2, sizeof(struct __vki_user_cap_data_struct) ); 2437 } 2438 2439 /* --------------------------------------------------------------------- 2440 16-bit uid/gid/groups wrappers 2441 ------------------------------------------------------------------ */ 2442 2443 PRE(sys_getuid16) 2444 { 2445 PRINT("sys_getuid16 ( )"); 2446 PRE_REG_READ0(long, "getuid16"); 2447 } 2448 2449 PRE(sys_setuid16) 2450 { 2451 PRINT("sys_setuid16 ( %lu )", ARG1); 2452 PRE_REG_READ1(long, "setuid16", vki_old_uid_t, uid); 2453 } 2454 2455 PRE(sys_getgid16) 2456 { 2457 PRINT("sys_getgid16 ( )"); 2458 PRE_REG_READ0(long, "getgid16"); 2459 } 2460 2461 PRE(sys_setgid16) 2462 { 2463 PRINT("sys_setgid16 ( %lu )", ARG1); 2464 PRE_REG_READ1(long, "setgid16", vki_old_gid_t, gid); 2465 } 2466 2467 PRE(sys_geteuid16) 2468 { 2469 PRINT("sys_geteuid16 ( )"); 2470 PRE_REG_READ0(long, "geteuid16"); 2471 } 2472 2473 PRE(sys_getegid16) 2474 { 2475 PRINT("sys_getegid16 ( )"); 2476 PRE_REG_READ0(long, "getegid16"); 2477 } 2478 2479 PRE(sys_setreuid16) 2480 { 2481 PRINT("setreuid16 ( 0x%lx, 0x%lx )", ARG1, ARG2); 2482 PRE_REG_READ2(long, "setreuid16", vki_old_uid_t, ruid, vki_old_uid_t, euid); 2483 } 2484 2485 PRE(sys_setregid16) 2486 { 2487 PRINT("sys_setregid16 ( %lu, %lu )", ARG1, ARG2); 2488 PRE_REG_READ2(long, "setregid16", vki_old_gid_t, rgid, vki_old_gid_t, egid); 2489 } 2490 2491 PRE(sys_getgroups16) 2492 { 2493 PRINT("sys_getgroups16 ( %ld, %#lx )", SARG1, ARG2); 2494 PRE_REG_READ2(long, "getgroups16", int, size, vki_old_gid_t *, list); 2495 if (ARG1 > 0) 2496 PRE_MEM_WRITE( "getgroups16(list)", ARG2, ARG1 * sizeof(vki_old_gid_t) ); 2497 } 2498 POST(sys_getgroups16) 2499 { 2500 vg_assert(SUCCESS); 2501 if (ARG1 > 0 && RES > 0) 2502 POST_MEM_WRITE( ARG2, RES * sizeof(vki_old_gid_t) ); 2503 } 2504 2505 PRE(sys_setgroups16) 2506 { 2507 PRINT("sys_setgroups16 ( %llu, %#lx )", (ULong)ARG1, ARG2); 2508 PRE_REG_READ2(long, "setgroups16", int, size, vki_old_gid_t *, list); 2509 if (ARG1 > 0) 2510 PRE_MEM_READ( "setgroups16(list)", ARG2, ARG1 * sizeof(vki_old_gid_t) ); 2511 } 2512 2513 /* --------------------------------------------------------------------- 2514 *chown16 wrappers 2515 ------------------------------------------------------------------ */ 2516 2517 PRE(sys_chown16) 2518 { 2519 PRINT("sys_chown16 ( %#lx, 0x%lx, 0x%lx )", ARG1,ARG2,ARG3); 2520 PRE_REG_READ3(long, "chown16", 2521 const char *, path, 2522 vki_old_uid_t, owner, vki_old_gid_t, group); 2523 PRE_MEM_RASCIIZ( "chown16(path)", ARG1 ); 2524 } 2525 2526 PRE(sys_fchown16) 2527 { 2528 PRINT("sys_fchown16 ( %lu, %lu, %lu )", ARG1,ARG2,ARG3); 2529 PRE_REG_READ3(long, "fchown16", 2530 unsigned int, fd, vki_old_uid_t, owner, vki_old_gid_t, group); 2531 } 2532 2533 /* --------------------------------------------------------------------- 2534 *xattr wrappers 2535 ------------------------------------------------------------------ */ 2536 2537 PRE(sys_setxattr) 2538 { 2539 *flags |= SfMayBlock; 2540 PRINT("sys_setxattr ( %#lx, %#lx, %#lx, %lu, %ld )", 2541 ARG1, ARG2, ARG3, ARG4, SARG5); 2542 PRE_REG_READ5(long, "setxattr", 2543 char *, path, char *, name, 2544 void *, value, vki_size_t, size, int, flags); 2545 PRE_MEM_RASCIIZ( "setxattr(path)", ARG1 ); 2546 PRE_MEM_RASCIIZ( "setxattr(name)", ARG2 ); 2547 PRE_MEM_READ( "setxattr(value)", ARG3, ARG4 ); 2548 } 2549 2550 PRE(sys_lsetxattr) 2551 { 2552 *flags |= SfMayBlock; 2553 PRINT("sys_lsetxattr ( %#lx, %#lx, %#lx, %lu, %ld )", 2554 ARG1, ARG2, ARG3, ARG4, SARG5); 2555 PRE_REG_READ5(long, "lsetxattr", 2556 char *, path, char *, name, 2557 void *, value, vki_size_t, size, int, flags); 2558 PRE_MEM_RASCIIZ( "lsetxattr(path)", ARG1 ); 2559 PRE_MEM_RASCIIZ( "lsetxattr(name)", ARG2 ); 2560 PRE_MEM_READ( "lsetxattr(value)", ARG3, ARG4 ); 2561 } 2562 2563 PRE(sys_fsetxattr) 2564 { 2565 *flags |= SfMayBlock; 2566 PRINT("sys_fsetxattr ( %ld, %#lx, %#lx, %lu, %ld )", 2567 SARG1, ARG2, ARG3, ARG4, SARG5); 2568 PRE_REG_READ5(long, "fsetxattr", 2569 int, fd, char *, name, void *, value, 2570 vki_size_t, size, int, flags); 2571 PRE_MEM_RASCIIZ( "fsetxattr(name)", ARG2 ); 2572 PRE_MEM_READ( "fsetxattr(value)", ARG3, ARG4 ); 2573 } 2574 2575 PRE(sys_getxattr) 2576 { 2577 *flags |= SfMayBlock; 2578 PRINT("sys_getxattr ( %#lx, %#lx, %#lx, %llu )", ARG1,ARG2,ARG3, (ULong)ARG4); 2579 PRE_REG_READ4(ssize_t, "getxattr", 2580 char *, path, char *, name, void *, value, vki_size_t, size); 2581 PRE_MEM_RASCIIZ( "getxattr(path)", ARG1 ); 2582 PRE_MEM_RASCIIZ( "getxattr(name)", ARG2 ); 2583 PRE_MEM_WRITE( "getxattr(value)", ARG3, ARG4 ); 2584 } 2585 POST(sys_getxattr) 2586 { 2587 vg_assert(SUCCESS); 2588 if (RES > 0 && ARG3 != (Addr)NULL) { 2589 POST_MEM_WRITE( ARG3, RES ); 2590 } 2591 } 2592 2593 PRE(sys_lgetxattr) 2594 { 2595 *flags |= SfMayBlock; 2596 PRINT("sys_lgetxattr ( %#lx, %#lx, %#lx, %llu )", ARG1,ARG2,ARG3, (ULong)ARG4); 2597 PRE_REG_READ4(ssize_t, "lgetxattr", 2598 char *, path, char *, name, void *, value, vki_size_t, size); 2599 PRE_MEM_RASCIIZ( "lgetxattr(path)", ARG1 ); 2600 PRE_MEM_RASCIIZ( "lgetxattr(name)", ARG2 ); 2601 PRE_MEM_WRITE( "lgetxattr(value)", ARG3, ARG4 ); 2602 } 2603 POST(sys_lgetxattr) 2604 { 2605 vg_assert(SUCCESS); 2606 if (RES > 0 && ARG3 != (Addr)NULL) { 2607 POST_MEM_WRITE( ARG3, RES ); 2608 } 2609 } 2610 2611 PRE(sys_fgetxattr) 2612 { 2613 *flags |= SfMayBlock; 2614 PRINT("sys_fgetxattr ( %ld, %#lx, %#lx, %lu )", SARG1, ARG2, ARG3, ARG4); 2615 PRE_REG_READ4(ssize_t, "fgetxattr", 2616 int, fd, char *, name, void *, value, vki_size_t, size); 2617 PRE_MEM_RASCIIZ( "fgetxattr(name)", ARG2 ); 2618 PRE_MEM_WRITE( "fgetxattr(value)", ARG3, ARG4 ); 2619 } 2620 POST(sys_fgetxattr) 2621 { 2622 if (RES > 0 && ARG3 != (Addr)NULL) 2623 POST_MEM_WRITE( ARG3, RES ); 2624 } 2625 2626 PRE(sys_listxattr) 2627 { 2628 *flags |= SfMayBlock; 2629 PRINT("sys_listxattr ( %#lx, %#lx, %llu )", ARG1, ARG2, (ULong)ARG3); 2630 PRE_REG_READ3(ssize_t, "listxattr", 2631 char *, path, char *, list, vki_size_t, size); 2632 PRE_MEM_RASCIIZ( "listxattr(path)", ARG1 ); 2633 PRE_MEM_WRITE( "listxattr(list)", ARG2, ARG3 ); 2634 } 2635 POST(sys_listxattr) 2636 { 2637 if (RES > 0 && ARG2 != (Addr)NULL) 2638 POST_MEM_WRITE( ARG2, RES ); 2639 } 2640 2641 PRE(sys_llistxattr) 2642 { 2643 *flags |= SfMayBlock; 2644 PRINT("sys_llistxattr ( %#lx, %#lx, %llu )", ARG1, ARG2, (ULong)ARG3); 2645 PRE_REG_READ3(ssize_t, "llistxattr", 2646 char *, path, char *, list, vki_size_t, size); 2647 PRE_MEM_RASCIIZ( "llistxattr(path)", ARG1 ); 2648 PRE_MEM_WRITE( "llistxattr(list)", ARG2, ARG3 ); 2649 } 2650 POST(sys_llistxattr) 2651 { 2652 if (RES > 0 && ARG2 != (Addr)NULL) 2653 POST_MEM_WRITE( ARG2, RES ); 2654 } 2655 2656 PRE(sys_flistxattr) 2657 { 2658 *flags |= SfMayBlock; 2659 PRINT("sys_flistxattr ( %ld, %#lx, %lu )", SARG1, ARG2, ARG3); 2660 PRE_REG_READ3(ssize_t, "flistxattr", 2661 int, fd, char *, list, vki_size_t, size); 2662 PRE_MEM_WRITE( "flistxattr(list)", ARG2, ARG3 ); 2663 } 2664 POST(sys_flistxattr) 2665 { 2666 if (RES > 0 && ARG2 != (Addr)NULL) 2667 POST_MEM_WRITE( ARG2, RES ); 2668 } 2669 2670 PRE(sys_removexattr) 2671 { 2672 *flags |= SfMayBlock; 2673 PRINT("sys_removexattr ( %#lx, %#lx )", ARG1, ARG2); 2674 PRE_REG_READ2(long, "removexattr", char *, path, char *, name); 2675 PRE_MEM_RASCIIZ( "removexattr(path)", ARG1 ); 2676 PRE_MEM_RASCIIZ( "removexattr(name)", ARG2 ); 2677 } 2678 2679 PRE(sys_lremovexattr) 2680 { 2681 *flags |= SfMayBlock; 2682 PRINT("sys_lremovexattr ( %#lx, %#lx )", ARG1, ARG2); 2683 PRE_REG_READ2(long, "lremovexattr", char *, path, char *, name); 2684 PRE_MEM_RASCIIZ( "lremovexattr(path)", ARG1 ); 2685 PRE_MEM_RASCIIZ( "lremovexattr(name)", ARG2 ); 2686 } 2687 2688 PRE(sys_fremovexattr) 2689 { 2690 *flags |= SfMayBlock; 2691 PRINT("sys_fremovexattr ( %ld, %#lx )", SARG1, ARG2); 2692 PRE_REG_READ2(long, "fremovexattr", int, fd, char *, name); 2693 PRE_MEM_RASCIIZ( "fremovexattr(name)", ARG2 ); 2694 } 2695 2696 /* --------------------------------------------------------------------- 2697 sched_* wrappers 2698 ------------------------------------------------------------------ */ 2699 2700 PRE(sys_sched_setparam) 2701 { 2702 PRINT("sched_setparam ( %ld, %#lx )", SARG1, ARG2 ); 2703 PRE_REG_READ2(long, "sched_setparam", 2704 vki_pid_t, pid, struct sched_param *, p); 2705 PRE_MEM_READ( "sched_setparam(p)", ARG2, sizeof(struct vki_sched_param) ); 2706 } 2707 POST(sys_sched_setparam) 2708 { 2709 POST_MEM_WRITE( ARG2, sizeof(struct vki_sched_param) ); 2710 } 2711 2712 PRE(sys_sched_getparam) 2713 { 2714 PRINT("sched_getparam ( %ld, %#lx )", SARG1, ARG2 ); 2715 PRE_REG_READ2(long, "sched_getparam", 2716 vki_pid_t, pid, struct sched_param *, p); 2717 PRE_MEM_WRITE( "sched_getparam(p)", ARG2, sizeof(struct vki_sched_param) ); 2718 } 2719 POST(sys_sched_getparam) 2720 { 2721 POST_MEM_WRITE( ARG2, sizeof(struct vki_sched_param) ); 2722 } 2723 2724 PRE(sys_sched_getscheduler) 2725 { 2726 PRINT("sys_sched_getscheduler ( %ld )", SARG1); 2727 PRE_REG_READ1(long, "sched_getscheduler", vki_pid_t, pid); 2728 } 2729 2730 PRE(sys_sched_setscheduler) 2731 { 2732 PRINT("sys_sched_setscheduler ( %ld, %ld, %#lx )", SARG1, SARG2, ARG3); 2733 PRE_REG_READ3(long, "sched_setscheduler", 2734 vki_pid_t, pid, int, policy, struct sched_param *, p); 2735 if (ARG3 != 0) 2736 PRE_MEM_READ( "sched_setscheduler(p)", 2737 ARG3, sizeof(struct vki_sched_param)); 2738 } 2739 2740 PRE(sys_sched_yield) 2741 { 2742 *flags |= SfMayBlock; 2743 PRINT("sched_yield()"); 2744 PRE_REG_READ0(long, "sys_sched_yield"); 2745 } 2746 2747 PRE(sys_sched_get_priority_max) 2748 { 2749 PRINT("sched_get_priority_max ( %ld )", SARG1); 2750 PRE_REG_READ1(long, "sched_get_priority_max", int, policy); 2751 } 2752 2753 PRE(sys_sched_get_priority_min) 2754 { 2755 PRINT("sched_get_priority_min ( %ld )", SARG1); 2756 PRE_REG_READ1(long, "sched_get_priority_min", int, policy); 2757 } 2758 2759 PRE(sys_sched_rr_get_interval) 2760 { 2761 PRINT("sys_sched_rr_get_interval ( %ld, %#lx )", SARG1, ARG2); 2762 PRE_REG_READ2(int, "sched_rr_get_interval", 2763 vki_pid_t, pid, 2764 struct vki_timespec *, tp); 2765 PRE_MEM_WRITE("sched_rr_get_interval(timespec)", 2766 ARG2, sizeof(struct vki_timespec)); 2767 } 2768 2769 POST(sys_sched_rr_get_interval) 2770 { 2771 POST_MEM_WRITE(ARG2, sizeof(struct vki_timespec)); 2772 } 2773 2774 PRE(sys_sched_setaffinity) 2775 { 2776 PRINT("sched_setaffinity ( %ld, %lu, %#lx )", SARG1, ARG2, ARG3); 2777 PRE_REG_READ3(long, "sched_setaffinity", 2778 vki_pid_t, pid, unsigned int, len, unsigned long *, mask); 2779 PRE_MEM_READ( "sched_setaffinity(mask)", ARG3, ARG2); 2780 } 2781 2782 PRE(sys_sched_getaffinity) 2783 { 2784 PRINT("sched_getaffinity ( %ld, %lu, %#lx )", SARG1, ARG2, ARG3); 2785 PRE_REG_READ3(long, "sched_getaffinity", 2786 vki_pid_t, pid, unsigned int, len, unsigned long *, mask); 2787 PRE_MEM_WRITE( "sched_getaffinity(mask)", ARG3, ARG2); 2788 } 2789 POST(sys_sched_getaffinity) 2790 { 2791 POST_MEM_WRITE(ARG3, ARG2); 2792 } 2793 2794 PRE(sys_unshare) 2795 { 2796 PRINT("sys_unshare ( %#lx )", ARG1); 2797 PRE_REG_READ1(int, "unshare", unsigned long, flags); 2798 } 2799 2800 /* --------------------------------------------------------------------- 2801 miscellaneous wrappers 2802 ------------------------------------------------------------------ */ 2803 2804 PRE(sys_munlockall) 2805 { 2806 *flags |= SfMayBlock; 2807 PRINT("sys_munlockall ( )"); 2808 PRE_REG_READ0(long, "munlockall"); 2809 } 2810 2811 // This has different signatures for different platforms. 2812 // 2813 // x86: int sys_pipe(unsigned long __user *fildes); 2814 // AMD64: long sys_pipe(int *fildes); 2815 // ppc32: int sys_pipe(int __user *fildes); 2816 // ppc64: int sys_pipe(int __user *fildes); 2817 // 2818 // The type of the argument is most important, and it is an array of 32 bit 2819 // values in all cases. (The return type differs across platforms, but it 2820 // is not used.) So we use 'int' as its type. This fixed bug #113230 which 2821 // was caused by using an array of 'unsigned long's, which didn't work on 2822 // AMD64. 2823 PRE(sys_pipe) 2824 { 2825 PRINT("sys_pipe ( %#lx )", ARG1); 2826 PRE_REG_READ1(int, "pipe", int *, filedes); 2827 PRE_MEM_WRITE( "pipe(filedes)", ARG1, 2*sizeof(int) ); 2828 } 2829 POST(sys_pipe) 2830 { 2831 Int *p = (Int *)ARG1; 2832 if (!ML_(fd_allowed)(p[0], "pipe", tid, True) || 2833 !ML_(fd_allowed)(p[1], "pipe", tid, True)) { 2834 VG_(close)(p[0]); 2835 VG_(close)(p[1]); 2836 SET_STATUS_Failure( VKI_EMFILE ); 2837 } else { 2838 POST_MEM_WRITE( ARG1, 2*sizeof(int) ); 2839 if (VG_(clo_track_fds)) { 2840 ML_(record_fd_open_nameless)(tid, p[0]); 2841 ML_(record_fd_open_nameless)(tid, p[1]); 2842 } 2843 } 2844 } 2845 2846 /* pipe2 (a kernel 2.6.twentysomething invention) is like pipe, except 2847 there's a second arg containing flags to be applied to the new file 2848 descriptors. It hardly seems worth the effort to factor out the 2849 duplicated code, hence: */ 2850 PRE(sys_pipe2) 2851 { 2852 PRINT("sys_pipe2 ( %#lx, %#lx )", ARG1, ARG2); 2853 PRE_REG_READ2(int, "pipe", int *, filedes, long, flags); 2854 PRE_MEM_WRITE( "pipe2(filedes)", ARG1, 2*sizeof(int) ); 2855 } 2856 POST(sys_pipe2) 2857 { 2858 Int *p = (Int *)ARG1; 2859 if (!ML_(fd_allowed)(p[0], "pipe2", tid, True) || 2860 !ML_(fd_allowed)(p[1], "pipe2", tid, True)) { 2861 VG_(close)(p[0]); 2862 VG_(close)(p[1]); 2863 SET_STATUS_Failure( VKI_EMFILE ); 2864 } else { 2865 POST_MEM_WRITE( ARG1, 2*sizeof(int) ); 2866 if (VG_(clo_track_fds)) { 2867 ML_(record_fd_open_nameless)(tid, p[0]); 2868 ML_(record_fd_open_nameless)(tid, p[1]); 2869 } 2870 } 2871 } 2872 2873 PRE(sys_dup3) 2874 { 2875 PRINT("sys_dup3 ( %lu, %lu, %#lx )", ARG1, ARG2, ARG3); 2876 PRE_REG_READ3(long, "dup3", unsigned int, oldfd, unsigned int, newfd, int, flags); 2877 if (!ML_(fd_allowed)(ARG2, "dup3", tid, True)) 2878 SET_STATUS_Failure( VKI_EBADF ); 2879 } 2880 2881 POST(sys_dup3) 2882 { 2883 vg_assert(SUCCESS); 2884 if (VG_(clo_track_fds)) 2885 ML_(record_fd_open_named)(tid, RES); 2886 } 2887 2888 PRE(sys_quotactl) 2889 { 2890 PRINT("sys_quotactl (0x%lx, %#lx, 0x%lx, 0x%lx )", ARG1,ARG2,ARG3, ARG4); 2891 PRE_REG_READ4(long, "quotactl", 2892 unsigned int, cmd, const char *, special, vki_qid_t, id, 2893 void *, addr); 2894 PRE_MEM_RASCIIZ( "quotactl(special)", ARG2 ); 2895 } 2896 2897 PRE(sys_waitid) 2898 { 2899 *flags |= SfMayBlock; 2900 PRINT("sys_waitid( %ld, %ld, %#lx, %ld, %#lx )", 2901 SARG1, SARG2, ARG3, SARG4, ARG5); 2902 PRE_REG_READ5(int32_t, "sys_waitid", 2903 int, which, vki_pid_t, pid, struct vki_siginfo *, infop, 2904 int, options, struct vki_rusage *, ru); 2905 PRE_MEM_WRITE( "waitid(infop)", ARG3, sizeof(struct vki_siginfo) ); 2906 if (ARG5 != 0) 2907 PRE_MEM_WRITE( "waitid(ru)", ARG5, sizeof(struct vki_rusage) ); 2908 } 2909 POST(sys_waitid) 2910 { 2911 POST_MEM_WRITE( ARG3, sizeof(struct vki_siginfo) ); 2912 if (ARG5 != 0) 2913 POST_MEM_WRITE( ARG5, sizeof(struct vki_rusage) ); 2914 } 2915 2916 PRE(sys_sync_file_range) 2917 { 2918 *flags |= SfMayBlock; 2919 #if VG_WORDSIZE == 4 2920 PRINT("sys_sync_file_range ( %ld, %lld, %lld, %#lx )", 2921 SARG1, (Long)MERGE64(ARG2,ARG3), (Long)MERGE64(ARG4,ARG5),ARG6); 2922 PRE_REG_READ6(long, "sync_file_range", 2923 int, fd, 2924 unsigned, MERGE64_FIRST(offset), unsigned, MERGE64_SECOND(offset), 2925 unsigned, MERGE64_FIRST(nbytes), unsigned, MERGE64_SECOND(nbytes), 2926 unsigned int, flags); 2927 #elif VG_WORDSIZE == 8 2928 PRINT("sys_sync_file_range ( %ld, %ld, %ld, %#lx )", 2929 SARG1, SARG2, SARG3, ARG4); 2930 PRE_REG_READ4(long, "sync_file_range", 2931 int, fd, vki_loff_t, offset, vki_loff_t, nbytes, 2932 unsigned int, flags); 2933 #else 2934 # error Unexpected word size 2935 #endif 2936 if (!ML_(fd_allowed)(ARG1, "sync_file_range", tid, False)) 2937 SET_STATUS_Failure( VKI_EBADF ); 2938 } 2939 2940 PRE(sys_sync_file_range2) 2941 { 2942 *flags |= SfMayBlock; 2943 #if VG_WORDSIZE == 4 2944 PRINT("sys_sync_file_range2 ( %ld, %lu, %lld, %lld )", 2945 SARG1, ARG2, (Long)MERGE64(ARG3,ARG4), (Long)MERGE64(ARG5,ARG6)); 2946 PRE_REG_READ6(long, "sync_file_range2", 2947 int, fd, unsigned int, flags, 2948 unsigned, MERGE64_FIRST(offset), unsigned, MERGE64_SECOND(offset), 2949 unsigned, MERGE64_FIRST(nbytes), unsigned, MERGE64_SECOND(nbytes)); 2950 #elif VG_WORDSIZE == 8 2951 PRINT("sys_sync_file_range2 ( %ld, %lu, %ld, %ld )", 2952 SARG1, ARG2, SARG3, SARG4); 2953 PRE_REG_READ4(long, "sync_file_range2", 2954 int, fd, unsigned int, flags, 2955 vki_loff_t, offset, vki_loff_t, nbytes); 2956 #else 2957 # error Unexpected word size 2958 #endif 2959 if (!ML_(fd_allowed)(ARG1, "sync_file_range2", tid, False)) 2960 SET_STATUS_Failure( VKI_EBADF ); 2961 } 2962 2963 PRE(sys_stime) 2964 { 2965 PRINT("sys_stime ( %#lx )", ARG1); 2966 PRE_REG_READ1(int, "stime", vki_time_t*, t); 2967 PRE_MEM_READ( "stime(t)", ARG1, sizeof(vki_time_t) ); 2968 } 2969 2970 PRE(sys_perf_event_open) 2971 { 2972 struct vki_perf_event_attr *attr; 2973 PRINT("sys_perf_event_open ( %#lx, %ld, %ld, %ld, %#lx )", 2974 ARG1, SARG2, SARG3, SARG4, ARG5); 2975 PRE_REG_READ5(long, "perf_event_open", 2976 struct vki_perf_event_attr *, attr, 2977 vki_pid_t, pid, int, cpu, int, group_fd, 2978 unsigned long, flags); 2979 attr = (struct vki_perf_event_attr *)ARG1; 2980 PRE_MEM_READ( "perf_event_open(attr->size)", 2981 (Addr)&attr->size, sizeof(attr->size) ); 2982 PRE_MEM_READ( "perf_event_open(attr)", 2983 (Addr)attr, attr->size ); 2984 } 2985 2986 POST(sys_perf_event_open) 2987 { 2988 vg_assert(SUCCESS); 2989 if (!ML_(fd_allowed)(RES, "perf_event_open", tid, True)) { 2990 VG_(close)(RES); 2991 SET_STATUS_Failure( VKI_EMFILE ); 2992 } else { 2993 if (VG_(clo_track_fds)) 2994 ML_(record_fd_open_nameless)(tid, RES); 2995 } 2996 } 2997 2998 PRE(sys_getcpu) 2999 { 3000 PRINT("sys_getcpu ( %#lx, %#lx, %#lx )" , ARG1,ARG2,ARG3); 3001 PRE_REG_READ3(int, "getcpu", 3002 unsigned *, cpu, unsigned *, node, struct vki_getcpu_cache *, tcache); 3003 if (ARG1 != 0) 3004 PRE_MEM_WRITE( "getcpu(cpu)", ARG1, sizeof(unsigned) ); 3005 if (ARG2 != 0) 3006 PRE_MEM_WRITE( "getcpu(node)", ARG2, sizeof(unsigned) ); 3007 if (ARG3 != 0) 3008 PRE_MEM_WRITE( "getcpu(tcache)", ARG3, sizeof(struct vki_getcpu_cache) ); 3009 } 3010 3011 POST(sys_getcpu) 3012 { 3013 if (ARG1 != 0) 3014 POST_MEM_WRITE( ARG1, sizeof(unsigned) ); 3015 if (ARG2 != 0) 3016 POST_MEM_WRITE( ARG2, sizeof(unsigned) ); 3017 if (ARG3 != 0) 3018 POST_MEM_WRITE( ARG3, sizeof(struct vki_getcpu_cache) ); 3019 } 3020 3021 PRE(sys_move_pages) 3022 { 3023 PRINT("sys_move_pages ( %ld, %lu, %#lx, %#lx, %#lx, %#lx )", 3024 SARG1, ARG2, ARG3, ARG4, ARG5, ARG6); 3025 PRE_REG_READ6(int, "move_pages", 3026 vki_pid_t, pid, unsigned long, nr_pages, const void **, pages, 3027 const int *, nodes, int *, status, int, flags); 3028 PRE_MEM_READ("move_pages(pages)", ARG3, ARG2 * sizeof(void *)); 3029 if (ARG4) 3030 PRE_MEM_READ("move_pages(nodes)", ARG4, ARG2 * sizeof(int)); 3031 PRE_MEM_WRITE("move_pages(status)", ARG5, ARG2 * sizeof(int)); 3032 } 3033 3034 POST(sys_move_pages) 3035 { 3036 POST_MEM_WRITE(ARG5, ARG2 * sizeof(int)); 3037 } 3038 3039 PRE(sys_getrandom) 3040 { 3041 PRINT("sys_getrandom ( %#lx, %lu, %lu )" , ARG1, ARG2, ARG3); 3042 PRE_REG_READ3(int, "getrandom", 3043 char *, buf, vki_size_t, count, unsigned int, flags); 3044 PRE_MEM_WRITE( "getrandom(cpu)", ARG1, ARG2 ); 3045 } 3046 3047 POST(sys_getrandom) 3048 { 3049 POST_MEM_WRITE( ARG1, ARG2 ); 3050 } 3051 3052 PRE(sys_memfd_create) 3053 { 3054 PRINT("sys_memfd_create ( %#lx, %lu )" , ARG1, ARG2); 3055 PRE_REG_READ2(int, "memfd_create", 3056 char *, uname, unsigned int, flags); 3057 PRE_MEM_RASCIIZ( "memfd_create(uname)", ARG1 ); 3058 } 3059 3060 POST(sys_memfd_create) 3061 { 3062 vg_assert(SUCCESS); 3063 if (!ML_(fd_allowed)(RES, "memfd_create", tid, True)) { 3064 VG_(close)(RES); 3065 SET_STATUS_Failure( VKI_EMFILE ); 3066 } else { 3067 if (VG_(clo_track_fds)) 3068 ML_(record_fd_open_nameless)(tid, RES); 3069 } 3070 } 3071 3072 PRE(sys_syncfs) 3073 { 3074 *flags |= SfMayBlock; 3075 PRINT("sys_syncfs ( %lu )", ARG1); 3076 PRE_REG_READ1(long, "syncfs", unsigned int, fd); 3077 } 3078 3079 /* --------------------------------------------------------------------- 3080 utime wrapper 3081 ------------------------------------------------------------------ */ 3082 3083 PRE(sys_utime) 3084 { 3085 *flags |= SfMayBlock; 3086 PRINT("sys_utime ( %#lx, %#lx )", ARG1,ARG2); 3087 PRE_REG_READ2(long, "utime", char *, filename, struct utimbuf *, buf); 3088 PRE_MEM_RASCIIZ( "utime(filename)", ARG1 ); 3089 if (ARG2 != 0) 3090 PRE_MEM_READ( "utime(buf)", ARG2, sizeof(struct vki_utimbuf) ); 3091 } 3092 3093 /* --------------------------------------------------------------------- 3094 lseek wrapper 3095 ------------------------------------------------------------------ */ 3096 3097 PRE(sys_lseek) 3098 { 3099 PRINT("sys_lseek ( %lu, %ld, %lu )", ARG1, SARG2, ARG3); 3100 PRE_REG_READ3(vki_off_t, "lseek", 3101 unsigned int, fd, vki_off_t, offset, unsigned int, whence); 3102 } 3103 3104 /* --------------------------------------------------------------------- 3105 readahead wrapper 3106 ------------------------------------------------------------------ */ 3107 3108 PRE(sys_readahead) 3109 { 3110 *flags |= SfMayBlock; 3111 #if VG_WORDSIZE == 4 3112 PRINT("sys_readahead ( %ld, %lld, %lu )", 3113 SARG1, (Long)MERGE64(ARG2,ARG3), ARG4); 3114 PRE_REG_READ4(vki_off_t, "readahead", 3115 int, fd, unsigned, MERGE64_FIRST(offset), 3116 unsigned, MERGE64_SECOND(offset), vki_size_t, count); 3117 #elif VG_WORDSIZE == 8 3118 PRINT("sys_readahead ( %ld, %ld, %lu )", SARG1, SARG2, ARG3); 3119 PRE_REG_READ3(vki_off_t, "readahead", 3120 int, fd, vki_loff_t, offset, vki_size_t, count); 3121 #else 3122 # error Unexpected word size 3123 #endif 3124 if (!ML_(fd_allowed)(ARG1, "readahead", tid, False)) 3125 SET_STATUS_Failure( VKI_EBADF ); 3126 } 3127 3128 /* --------------------------------------------------------------------- 3129 sig* wrappers 3130 ------------------------------------------------------------------ */ 3131 3132 PRE(sys_sigpending) 3133 { 3134 PRINT( "sys_sigpending ( %#lx )", ARG1 ); 3135 PRE_REG_READ1(long, "sigpending", vki_old_sigset_t *, set); 3136 PRE_MEM_WRITE( "sigpending(set)", ARG1, sizeof(vki_old_sigset_t)); 3137 } 3138 POST(sys_sigpending) 3139 { 3140 POST_MEM_WRITE( ARG1, sizeof(vki_old_sigset_t) ) ; 3141 } 3142 3143 // This syscall is not used on amd64/Linux -- it only provides 3144 // sys_rt_sigprocmask, which uses sigset_t rather than old_sigset_t. 3145 // This wrapper is only suitable for 32-bit architectures. 3146 // (XXX: so how is it that PRE(sys_sigpending) above doesn't need 3147 // conditional compilation like this?) 3148 #if defined(VGP_x86_linux) || defined(VGP_ppc32_linux) \ 3149 || defined(VGP_arm_linux) || defined(VGP_mips32_linux) 3150 PRE(sys_sigprocmask) 3151 { 3152 vki_old_sigset_t* set; 3153 vki_old_sigset_t* oldset; 3154 vki_sigset_t bigger_set; 3155 vki_sigset_t bigger_oldset; 3156 3157 PRINT("sys_sigprocmask ( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3); 3158 PRE_REG_READ3(long, "sigprocmask", 3159 int, how, vki_old_sigset_t *, set, vki_old_sigset_t *, oldset); 3160 if (ARG2 != 0) 3161 PRE_MEM_READ( "sigprocmask(set)", ARG2, sizeof(vki_old_sigset_t)); 3162 if (ARG3 != 0) 3163 PRE_MEM_WRITE( "sigprocmask(oldset)", ARG3, sizeof(vki_old_sigset_t)); 3164 3165 // Nb: We must convert the smaller vki_old_sigset_t params into bigger 3166 // vki_sigset_t params. 3167 set = (vki_old_sigset_t*)ARG2; 3168 oldset = (vki_old_sigset_t*)ARG3; 3169 3170 VG_(memset)(&bigger_set, 0, sizeof(vki_sigset_t)); 3171 VG_(memset)(&bigger_oldset, 0, sizeof(vki_sigset_t)); 3172 if (set) 3173 bigger_set.sig[0] = *(vki_old_sigset_t*)set; 3174 3175 SET_STATUS_from_SysRes( 3176 VG_(do_sys_sigprocmask) ( tid, ARG1 /*how*/, 3177 set ? &bigger_set : NULL, 3178 oldset ? &bigger_oldset : NULL) 3179 ); 3180 3181 if (oldset) 3182 *oldset = bigger_oldset.sig[0]; 3183 3184 if (SUCCESS) 3185 *flags |= SfPollAfter; 3186 } 3187 POST(sys_sigprocmask) 3188 { 3189 vg_assert(SUCCESS); 3190 if (RES == 0 && ARG3 != 0) 3191 POST_MEM_WRITE( ARG3, sizeof(vki_old_sigset_t)); 3192 } 3193 3194 /* Convert from non-RT to RT sigset_t's */ 3195 static 3196 void convert_sigset_to_rt(const vki_old_sigset_t *oldset, vki_sigset_t *set) 3197 { 3198 VG_(sigemptyset)(set); 3199 set->sig[0] = *oldset; 3200 } 3201 PRE(sys_sigaction) 3202 { 3203 vki_sigaction_toK_t new, *newp; 3204 vki_sigaction_fromK_t old, *oldp; 3205 3206 PRINT("sys_sigaction ( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3); 3207 PRE_REG_READ3(int, "sigaction", 3208 int, signum, const struct old_sigaction *, act, 3209 struct old_sigaction *, oldact); 3210 3211 newp = oldp = NULL; 3212 3213 if (ARG2 != 0) { 3214 struct vki_old_sigaction *sa = (struct vki_old_sigaction *)ARG2; 3215 PRE_MEM_READ( "sigaction(act->sa_handler)", (Addr)&sa->ksa_handler, sizeof(sa->ksa_handler)); 3216 PRE_MEM_READ( "sigaction(act->sa_mask)", (Addr)&sa->sa_mask, sizeof(sa->sa_mask)); 3217 PRE_MEM_READ( "sigaction(act->sa_flags)", (Addr)&sa->sa_flags, sizeof(sa->sa_flags)); 3218 if (ML_(safe_to_deref)(sa,sizeof(sa)) 3219 && (sa->sa_flags & VKI_SA_RESTORER)) 3220 PRE_MEM_READ( "sigaction(act->sa_restorer)", (Addr)&sa->sa_restorer, sizeof(sa->sa_restorer)); 3221 } 3222 3223 if (ARG3 != 0) { 3224 PRE_MEM_WRITE( "sigaction(oldact)", ARG3, sizeof(struct vki_old_sigaction)); 3225 oldp = &old; 3226 } 3227 3228 if (ARG2 != 0) { 3229 struct vki_old_sigaction *oldnew = (struct vki_old_sigaction *)ARG2; 3230 3231 new.ksa_handler = oldnew->ksa_handler; 3232 new.sa_flags = oldnew->sa_flags; 3233 new.sa_restorer = oldnew->sa_restorer; 3234 convert_sigset_to_rt(&oldnew->sa_mask, &new.sa_mask); 3235 newp = &new; 3236 } 3237 3238 SET_STATUS_from_SysRes( VG_(do_sys_sigaction)(ARG1, newp, oldp) ); 3239 3240 if (ARG3 != 0 && SUCCESS && RES == 0) { 3241 struct vki_old_sigaction *oldold = (struct vki_old_sigaction *)ARG3; 3242 3243 oldold->ksa_handler = oldp->ksa_handler; 3244 oldold->sa_flags = oldp->sa_flags; 3245 oldold->sa_restorer = oldp->sa_restorer; 3246 oldold->sa_mask = oldp->sa_mask.sig[0]; 3247 } 3248 } 3249 POST(sys_sigaction) 3250 { 3251 vg_assert(SUCCESS); 3252 if (RES == 0 && ARG3 != 0) 3253 POST_MEM_WRITE( ARG3, sizeof(struct vki_old_sigaction)); 3254 } 3255 #endif 3256 3257 PRE(sys_signalfd) 3258 { 3259 PRINT("sys_signalfd ( %d, %#lx, %llu )", (Int)ARG1,ARG2,(ULong)ARG3); 3260 PRE_REG_READ3(long, "sys_signalfd", 3261 int, fd, vki_sigset_t *, sigmask, vki_size_t, sigsetsize); 3262 PRE_MEM_READ( "signalfd(sigmask)", ARG2, sizeof(vki_sigset_t) ); 3263 if ((int)ARG1 != -1 && !ML_(fd_allowed)(ARG1, "signalfd", tid, False)) 3264 SET_STATUS_Failure( VKI_EBADF ); 3265 } 3266 POST(sys_signalfd) 3267 { 3268 if (!ML_(fd_allowed)(RES, "signalfd", tid, True)) { 3269 VG_(close)(RES); 3270 SET_STATUS_Failure( VKI_EMFILE ); 3271 } else { 3272 if (VG_(clo_track_fds)) 3273 ML_(record_fd_open_nameless) (tid, RES); 3274 } 3275 } 3276 3277 PRE(sys_signalfd4) 3278 { 3279 PRINT("sys_signalfd4 ( %ld, %#lx, %lu, %ld )", SARG1, ARG2, ARG3, SARG4); 3280 PRE_REG_READ4(long, "sys_signalfd4", 3281 int, fd, vki_sigset_t *, sigmask, vki_size_t, sigsetsize, int, flags); 3282 PRE_MEM_READ( "signalfd(sigmask)", ARG2, sizeof(vki_sigset_t) ); 3283 if ((int)ARG1 != -1 && !ML_(fd_allowed)(ARG1, "signalfd", tid, False)) 3284 SET_STATUS_Failure( VKI_EBADF ); 3285 } 3286 POST(sys_signalfd4) 3287 { 3288 if (!ML_(fd_allowed)(RES, "signalfd4", tid, True)) { 3289 VG_(close)(RES); 3290 SET_STATUS_Failure( VKI_EMFILE ); 3291 } else { 3292 if (VG_(clo_track_fds)) 3293 ML_(record_fd_open_nameless) (tid, RES); 3294 } 3295 } 3296 3297 3298 /* --------------------------------------------------------------------- 3299 rt_sig* wrappers 3300 ------------------------------------------------------------------ */ 3301 3302 PRE(sys_rt_sigaction) 3303 { 3304 PRINT("sys_rt_sigaction ( %ld, %#lx, %#lx, %lu )", SARG1, ARG2, ARG3, ARG4); 3305 PRE_REG_READ4(long, "rt_sigaction", 3306 int, signum, const struct sigaction *, act, 3307 struct sigaction *, oldact, vki_size_t, sigsetsize); 3308 3309 if (ARG2 != 0) { 3310 vki_sigaction_toK_t *sa = (vki_sigaction_toK_t *)ARG2; 3311 PRE_MEM_READ( "rt_sigaction(act->sa_handler)", (Addr)&sa->ksa_handler, sizeof(sa->ksa_handler)); 3312 PRE_MEM_READ( "rt_sigaction(act->sa_mask)", (Addr)&sa->sa_mask, sizeof(sa->sa_mask)); 3313 PRE_MEM_READ( "rt_sigaction(act->sa_flags)", (Addr)&sa->sa_flags, sizeof(sa->sa_flags)); 3314 if (sa->sa_flags & VKI_SA_RESTORER) 3315 PRE_MEM_READ( "rt_sigaction(act->sa_restorer)", (Addr)&sa->sa_restorer, sizeof(sa->sa_restorer)); 3316 } 3317 if (ARG3 != 0) 3318 PRE_MEM_WRITE( "rt_sigaction(oldact)", ARG3, sizeof(vki_sigaction_fromK_t)); 3319 3320 // XXX: doesn't seem right to be calling do_sys_sigaction for 3321 // sys_rt_sigaction... perhaps this function should be renamed 3322 // VG_(do_sys_rt_sigaction)() --njn 3323 3324 SET_STATUS_from_SysRes( 3325 VG_(do_sys_sigaction)(ARG1, (const vki_sigaction_toK_t *)ARG2, 3326 (vki_sigaction_fromK_t *)ARG3) 3327 ); 3328 } 3329 POST(sys_rt_sigaction) 3330 { 3331 vg_assert(SUCCESS); 3332 if (RES == 0 && ARG3 != 0) 3333 POST_MEM_WRITE( ARG3, sizeof(vki_sigaction_fromK_t)); 3334 } 3335 3336 PRE(sys_rt_sigprocmask) 3337 { 3338 PRINT("sys_rt_sigprocmask ( %ld, %#lx, %#lx, %lu )", 3339 SARG1, ARG2, ARG3, ARG4); 3340 PRE_REG_READ4(long, "rt_sigprocmask", 3341 int, how, vki_sigset_t *, set, vki_sigset_t *, oldset, 3342 vki_size_t, sigsetsize); 3343 if (ARG2 != 0) 3344 PRE_MEM_READ( "rt_sigprocmask(set)", ARG2, sizeof(vki_sigset_t)); 3345 if (ARG3 != 0) 3346 PRE_MEM_WRITE( "rt_sigprocmask(oldset)", ARG3, sizeof(vki_sigset_t)); 3347 3348 // Like the kernel, we fail if the sigsetsize is not exactly what we expect. 3349 if (sizeof(vki_sigset_t) != ARG4) 3350 SET_STATUS_Failure( VKI_EMFILE ); 3351 else { 3352 SET_STATUS_from_SysRes( 3353 VG_(do_sys_sigprocmask) ( tid, ARG1 /*how*/, 3354 (vki_sigset_t*) ARG2, 3355 (vki_sigset_t*) ARG3 ) 3356 ); 3357 } 3358 3359 if (SUCCESS) 3360 *flags |= SfPollAfter; 3361 } 3362 POST(sys_rt_sigprocmask) 3363 { 3364 vg_assert(SUCCESS); 3365 if (RES == 0 && ARG3 != 0) 3366 POST_MEM_WRITE( ARG3, sizeof(vki_sigset_t)); 3367 } 3368 3369 PRE(sys_rt_sigpending) 3370 { 3371 PRINT( "sys_rt_sigpending ( %#lx )", ARG1 ); 3372 PRE_REG_READ2(long, "rt_sigpending", 3373 vki_sigset_t *, set, vki_size_t, sigsetsize); 3374 PRE_MEM_WRITE( "rt_sigpending(set)", ARG1, sizeof(vki_sigset_t)); 3375 } 3376 POST(sys_rt_sigpending) 3377 { 3378 POST_MEM_WRITE( ARG1, sizeof(vki_sigset_t) ) ; 3379 } 3380 3381 PRE(sys_rt_sigtimedwait) 3382 { 3383 *flags |= SfMayBlock; 3384 PRINT("sys_rt_sigtimedwait ( %#lx, %#lx, %#lx, %lu )", 3385 ARG1, ARG2, ARG3, ARG4); 3386 PRE_REG_READ4(long, "rt_sigtimedwait", 3387 const vki_sigset_t *, set, vki_siginfo_t *, info, 3388 const struct timespec *, timeout, vki_size_t, sigsetsize); 3389 if (ARG1 != 0) 3390 PRE_MEM_READ( "rt_sigtimedwait(set)", ARG1, sizeof(vki_sigset_t)); 3391 if (ARG2 != 0) 3392 PRE_MEM_WRITE( "rt_sigtimedwait(info)", ARG2, sizeof(vki_siginfo_t) ); 3393 if (ARG3 != 0) 3394 PRE_MEM_READ( "rt_sigtimedwait(timeout)", 3395 ARG3, sizeof(struct vki_timespec) ); 3396 } 3397 POST(sys_rt_sigtimedwait) 3398 { 3399 if (ARG2 != 0) 3400 POST_MEM_WRITE( ARG2, sizeof(vki_siginfo_t) ); 3401 } 3402 3403 PRE(sys_rt_sigqueueinfo) 3404 { 3405 PRINT("sys_rt_sigqueueinfo(%ld, %ld, %#lx)", SARG1, SARG2, ARG3); 3406 PRE_REG_READ3(long, "rt_sigqueueinfo", 3407 int, pid, int, sig, vki_siginfo_t *, uinfo); 3408 if (ARG2 != 0) 3409 PRE_MEM_READ( "rt_sigqueueinfo(uinfo)", ARG3, VKI_SI_MAX_SIZE ); 3410 } 3411 POST(sys_rt_sigqueueinfo) 3412 { 3413 if (!ML_(client_signal_OK)(ARG2)) 3414 SET_STATUS_Failure( VKI_EINVAL ); 3415 } 3416 3417 PRE(sys_rt_tgsigqueueinfo) 3418 { 3419 PRINT("sys_rt_tgsigqueueinfo(%ld, %ld, %ld, %#lx)", 3420 SARG1, SARG2, SARG3, ARG4); 3421 PRE_REG_READ4(long, "rt_tgsigqueueinfo", 3422 int, tgid, int, pid, int, sig, vki_siginfo_t *, uinfo); 3423 if (ARG3 != 0) 3424 PRE_MEM_READ( "rt_tgsigqueueinfo(uinfo)", ARG4, VKI_SI_MAX_SIZE ); 3425 } 3426 3427 POST(sys_rt_tgsigqueueinfo) 3428 { 3429 if (!ML_(client_signal_OK)(ARG3)) 3430 SET_STATUS_Failure( VKI_EINVAL ); 3431 } 3432 3433 // XXX: x86-specific? The kernel prototypes for the different archs are 3434 // hard to decipher. 3435 PRE(sys_rt_sigsuspend) 3436 { 3437 /* The C library interface to sigsuspend just takes a pointer to 3438 a signal mask but this system call has two arguments - a pointer 3439 to the mask and the number of bytes used by it. The kernel insists 3440 on the size being equal to sizeof(sigset_t) however and will just 3441 return EINVAL if it isn't. 3442 */ 3443 *flags |= SfMayBlock; 3444 PRINT("sys_rt_sigsuspend ( %#lx, %lu )", ARG1, ARG2 ); 3445 PRE_REG_READ2(int, "rt_sigsuspend", vki_sigset_t *, mask, vki_size_t, size) 3446 if (ARG1 != (Addr)NULL) { 3447 PRE_MEM_READ( "rt_sigsuspend(mask)", ARG1, sizeof(vki_sigset_t) ); 3448 } 3449 } 3450 3451 /* --------------------------------------------------------------------- 3452 linux msg* wrapper helpers 3453 ------------------------------------------------------------------ */ 3454 3455 void 3456 ML_(linux_PRE_sys_msgsnd) ( ThreadId tid, 3457 UWord arg0, UWord arg1, UWord arg2, UWord arg3 ) 3458 { 3459 /* int msgsnd(int msqid, struct msgbuf *msgp, size_t msgsz, int msgflg); */ 3460 struct vki_msgbuf *msgp = (struct vki_msgbuf *)arg1; 3461 PRE_MEM_READ( "msgsnd(msgp->mtype)", (Addr)&msgp->mtype, sizeof(msgp->mtype) ); 3462 PRE_MEM_READ( "msgsnd(msgp->mtext)", (Addr)&msgp->mtext, arg2 ); 3463 } 3464 3465 void 3466 ML_(linux_PRE_sys_msgrcv) ( ThreadId tid, 3467 UWord arg0, UWord arg1, UWord arg2, 3468 UWord arg3, UWord arg4 ) 3469 { 3470 /* ssize_t msgrcv(int msqid, struct msgbuf *msgp, size_t msgsz, 3471 long msgtyp, int msgflg); */ 3472 struct vki_msgbuf *msgp = (struct vki_msgbuf *)arg1; 3473 PRE_MEM_WRITE( "msgrcv(msgp->mtype)", (Addr)&msgp->mtype, sizeof(msgp->mtype) ); 3474 PRE_MEM_WRITE( "msgrcv(msgp->mtext)", (Addr)&msgp->mtext, arg2 ); 3475 } 3476 void 3477 ML_(linux_POST_sys_msgrcv) ( ThreadId tid, 3478 UWord res, 3479 UWord arg0, UWord arg1, UWord arg2, 3480 UWord arg3, UWord arg4 ) 3481 { 3482 struct vki_msgbuf *msgp = (struct vki_msgbuf *)arg1; 3483 POST_MEM_WRITE( (Addr)&msgp->mtype, sizeof(msgp->mtype) ); 3484 POST_MEM_WRITE( (Addr)&msgp->mtext, res ); 3485 } 3486 3487 void 3488 ML_(linux_PRE_sys_msgctl) ( ThreadId tid, 3489 UWord arg0, UWord arg1, UWord arg2 ) 3490 { 3491 /* int msgctl(int msqid, int cmd, struct msqid_ds *buf); */ 3492 switch (arg1 /* cmd */) { 3493 case VKI_IPC_INFO: 3494 case VKI_MSG_INFO: 3495 case VKI_IPC_INFO|VKI_IPC_64: 3496 case VKI_MSG_INFO|VKI_IPC_64: 3497 PRE_MEM_WRITE( "msgctl(IPC_INFO, buf)", 3498 arg2, sizeof(struct vki_msginfo) ); 3499 break; 3500 case VKI_IPC_STAT: 3501 case VKI_MSG_STAT: 3502 PRE_MEM_WRITE( "msgctl(IPC_STAT, buf)", 3503 arg2, sizeof(struct vki_msqid_ds) ); 3504 break; 3505 case VKI_IPC_STAT|VKI_IPC_64: 3506 case VKI_MSG_STAT|VKI_IPC_64: 3507 PRE_MEM_WRITE( "msgctl(IPC_STAT, arg.buf)", 3508 arg2, sizeof(struct vki_msqid64_ds) ); 3509 break; 3510 case VKI_IPC_SET: 3511 PRE_MEM_READ( "msgctl(IPC_SET, arg.buf)", 3512 arg2, sizeof(struct vki_msqid_ds) ); 3513 break; 3514 case VKI_IPC_SET|VKI_IPC_64: 3515 PRE_MEM_READ( "msgctl(IPC_SET, arg.buf)", 3516 arg2, sizeof(struct vki_msqid64_ds) ); 3517 break; 3518 } 3519 } 3520 void 3521 ML_(linux_POST_sys_msgctl) ( ThreadId tid, 3522 UWord res, 3523 UWord arg0, UWord arg1, UWord arg2 ) 3524 { 3525 switch (arg1 /* cmd */) { 3526 case VKI_IPC_INFO: 3527 case VKI_MSG_INFO: 3528 case VKI_IPC_INFO|VKI_IPC_64: 3529 case VKI_MSG_INFO|VKI_IPC_64: 3530 POST_MEM_WRITE( arg2, sizeof(struct vki_msginfo) ); 3531 break; 3532 case VKI_IPC_STAT: 3533 case VKI_MSG_STAT: 3534 POST_MEM_WRITE( arg2, sizeof(struct vki_msqid_ds) ); 3535 break; 3536 case VKI_IPC_STAT|VKI_IPC_64: 3537 case VKI_MSG_STAT|VKI_IPC_64: 3538 POST_MEM_WRITE( arg2, sizeof(struct vki_msqid64_ds) ); 3539 break; 3540 } 3541 } 3542 3543 /* --------------------------------------------------------------------- 3544 Generic handler for sys_ipc 3545 Depending on the platform, some syscalls (e.g. semctl, semop, ...) 3546 are either direct system calls, or are all implemented via sys_ipc. 3547 ------------------------------------------------------------------ */ 3548 #ifdef __NR_ipc 3549 static Addr deref_Addr ( ThreadId tid, Addr a, const HChar* s ) 3550 { 3551 Addr* a_p = (Addr*)a; 3552 PRE_MEM_READ( s, (Addr)a_p, sizeof(Addr) ); 3553 return *a_p; 3554 } 3555 3556 static Bool semctl_cmd_has_4args (UWord cmd) 3557 { 3558 switch (cmd & ~VKI_IPC_64) 3559 { 3560 case VKI_IPC_INFO: 3561 case VKI_SEM_INFO: 3562 case VKI_IPC_STAT: 3563 case VKI_SEM_STAT: 3564 case VKI_IPC_SET: 3565 case VKI_GETALL: 3566 case VKI_SETALL: 3567 return True; 3568 default: 3569 return False; 3570 } 3571 } 3572 3573 PRE(sys_ipc) 3574 { 3575 PRINT("sys_ipc ( %lu, %ld, %ld, %ld, %#lx, %ld )", 3576 ARG1, SARG2, SARG3, SARG4, ARG5, SARG6); 3577 3578 switch (ARG1 /* call */) { 3579 case VKI_SEMOP: 3580 PRE_REG_READ5(int, "ipc", 3581 vki_uint, call, int, first, int, second, int, third, 3582 void *, ptr); 3583 ML_(generic_PRE_sys_semop)( tid, ARG2, ARG5, ARG3 ); 3584 *flags |= SfMayBlock; 3585 break; 3586 case VKI_SEMGET: 3587 PRE_REG_READ4(int, "ipc", 3588 vki_uint, call, int, first, int, second, int, third); 3589 break; 3590 case VKI_SEMCTL: 3591 { 3592 PRE_REG_READ5(int, "ipc", 3593 vki_uint, call, int, first, int, second, int, third, 3594 void *, ptr); 3595 UWord arg; 3596 if (semctl_cmd_has_4args(ARG4)) 3597 arg = deref_Addr( tid, ARG5, "semctl(arg)" ); 3598 else 3599 arg = 0; 3600 ML_(generic_PRE_sys_semctl)( tid, ARG2, ARG3, ARG4, arg ); 3601 break; 3602 } 3603 case VKI_SEMTIMEDOP: 3604 PRE_REG_READ6(int, "ipc", 3605 vki_uint, call, int, first, int, second, int, third, 3606 void *, ptr, long, fifth); 3607 ML_(generic_PRE_sys_semtimedop)( tid, ARG2, ARG5, ARG3, ARG6 ); 3608 *flags |= SfMayBlock; 3609 break; 3610 case VKI_MSGSND: 3611 PRE_REG_READ5(int, "ipc", 3612 vki_uint, call, int, first, int, second, int, third, 3613 void *, ptr); 3614 ML_(linux_PRE_sys_msgsnd)( tid, ARG2, ARG5, ARG3, ARG4 ); 3615 if ((ARG4 & VKI_IPC_NOWAIT) == 0) 3616 *flags |= SfMayBlock; 3617 break; 3618 case VKI_MSGRCV: 3619 { 3620 PRE_REG_READ5(int, "ipc", 3621 vki_uint, call, int, first, int, second, int, third, 3622 void *, ptr); 3623 Addr msgp; 3624 Word msgtyp; 3625 3626 msgp = deref_Addr( tid, (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgp), 3627 "msgrcv(msgp)" ); 3628 msgtyp = deref_Addr( tid, 3629 (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgtyp), 3630 "msgrcv(msgp)" ); 3631 3632 ML_(linux_PRE_sys_msgrcv)( tid, ARG2, msgp, ARG3, msgtyp, ARG4 ); 3633 3634 if ((ARG4 & VKI_IPC_NOWAIT) == 0) 3635 *flags |= SfMayBlock; 3636 break; 3637 } 3638 case VKI_MSGGET: 3639 PRE_REG_READ3(int, "ipc", vki_uint, call, int, first, int, second); 3640 break; 3641 case VKI_MSGCTL: 3642 PRE_REG_READ5(int, "ipc", 3643 vki_uint, call, int, first, int, second, int, third, 3644 void *, ptr); 3645 ML_(linux_PRE_sys_msgctl)( tid, ARG2, ARG3, ARG5 ); 3646 break; 3647 case VKI_SHMAT: 3648 { 3649 PRE_REG_READ5(int, "ipc", 3650 vki_uint, call, int, first, int, second, int, third, 3651 void *, ptr); 3652 UWord w; 3653 PRE_MEM_WRITE( "shmat(raddr)", ARG4, sizeof(Addr) ); 3654 w = ML_(generic_PRE_sys_shmat)( tid, ARG2, ARG5, ARG3 ); 3655 if (w == 0) 3656 SET_STATUS_Failure( VKI_EINVAL ); 3657 else 3658 ARG5 = w; 3659 break; 3660 } 3661 case VKI_SHMDT: 3662 PRE_REG_READ5(int, "ipc", 3663 vki_uint, call, int, first, int, second, int, third, 3664 void *, ptr); 3665 if (!ML_(generic_PRE_sys_shmdt)(tid, ARG5)) 3666 SET_STATUS_Failure( VKI_EINVAL ); 3667 break; 3668 case VKI_SHMGET: 3669 PRE_REG_READ4(int, "ipc", 3670 vki_uint, call, int, first, int, second, int, third); 3671 if (ARG4 & VKI_SHM_HUGETLB) { 3672 static Bool warning_given = False; 3673 ARG4 &= ~VKI_SHM_HUGETLB; 3674 if (!warning_given) { 3675 warning_given = True; 3676 VG_(umsg)( 3677 "WARNING: valgrind ignores shmget(shmflg) SHM_HUGETLB\n"); 3678 } 3679 } 3680 break; 3681 case VKI_SHMCTL: /* IPCOP_shmctl */ 3682 PRE_REG_READ5(int, "ipc", 3683 vki_uint, call, int, first, int, second, int, third, 3684 void *, ptr); 3685 ML_(generic_PRE_sys_shmctl)( tid, ARG2, ARG3, ARG5 ); 3686 break; 3687 default: 3688 VG_(message)(Vg_DebugMsg, "FATAL: unhandled syscall(ipc) %lu\n", ARG1 ); 3689 VG_(core_panic)("... bye!\n"); 3690 break; /*NOTREACHED*/ 3691 } 3692 } 3693 3694 POST(sys_ipc) 3695 { 3696 vg_assert(SUCCESS); 3697 switch (ARG1 /* call */) { 3698 case VKI_SEMOP: 3699 case VKI_SEMGET: 3700 break; 3701 case VKI_SEMCTL: 3702 { 3703 UWord arg; 3704 if (semctl_cmd_has_4args(ARG4)) 3705 arg = deref_Addr( tid, ARG5, "semctl(arg)" ); 3706 else 3707 arg = 0; 3708 ML_(generic_POST_sys_semctl)( tid, RES, ARG2, ARG3, ARG4, arg ); 3709 break; 3710 } 3711 case VKI_SEMTIMEDOP: 3712 case VKI_MSGSND: 3713 break; 3714 case VKI_MSGRCV: 3715 { 3716 Addr msgp; 3717 Word msgtyp; 3718 3719 msgp = deref_Addr( tid, 3720 (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgp), 3721 "msgrcv(msgp)" ); 3722 msgtyp = deref_Addr( tid, 3723 (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgtyp), 3724 "msgrcv(msgp)" ); 3725 3726 ML_(linux_POST_sys_msgrcv)( tid, RES, ARG2, msgp, ARG3, msgtyp, ARG4 ); 3727 break; 3728 } 3729 case VKI_MSGGET: 3730 break; 3731 case VKI_MSGCTL: 3732 ML_(linux_POST_sys_msgctl)( tid, RES, ARG2, ARG3, ARG5 ); 3733 break; 3734 case VKI_SHMAT: 3735 { 3736 Addr addr; 3737 3738 /* force readability. before the syscall it is 3739 * indeed uninitialized, as can be seen in 3740 * glibc/sysdeps/unix/sysv/linux/shmat.c */ 3741 POST_MEM_WRITE( ARG4, sizeof( Addr ) ); 3742 3743 addr = deref_Addr ( tid, ARG4, "shmat(addr)" ); 3744 ML_(generic_POST_sys_shmat)( tid, addr, ARG2, ARG5, ARG3 ); 3745 break; 3746 } 3747 case VKI_SHMDT: 3748 ML_(generic_POST_sys_shmdt)( tid, RES, ARG5 ); 3749 break; 3750 case VKI_SHMGET: 3751 break; 3752 case VKI_SHMCTL: 3753 ML_(generic_POST_sys_shmctl)( tid, RES, ARG2, ARG3, ARG5 ); 3754 break; 3755 default: 3756 VG_(message)(Vg_DebugMsg, 3757 "FATAL: unhandled syscall(ipc) %lu\n", 3758 ARG1 ); 3759 VG_(core_panic)("... bye!\n"); 3760 break; /*NOTREACHED*/ 3761 } 3762 } 3763 #endif 3764 3765 PRE(sys_semget) 3766 { 3767 PRINT("sys_semget ( %ld, %ld, %ld )", SARG1, SARG2, SARG3); 3768 PRE_REG_READ3(long, "semget", vki_key_t, key, int, nsems, int, semflg); 3769 } 3770 3771 PRE(sys_semop) 3772 { 3773 *flags |= SfMayBlock; 3774 PRINT("sys_semop ( %ld, %#lx, %lu )", SARG1, ARG2, ARG3); 3775 PRE_REG_READ3(long, "semop", 3776 int, semid, struct sembuf *, sops, unsigned, nsoops); 3777 ML_(generic_PRE_sys_semop)(tid, ARG1,ARG2,ARG3); 3778 } 3779 3780 PRE(sys_semctl) 3781 { 3782 switch (ARG3 & ~VKI_IPC_64) { 3783 case VKI_IPC_INFO: 3784 case VKI_SEM_INFO: 3785 PRINT("sys_semctl ( %ld, %ld, %ld, %#lx )", SARG1, SARG2, SARG3, ARG4); 3786 PRE_REG_READ4(long, "semctl", 3787 int, semid, int, semnum, int, cmd, struct seminfo *, arg); 3788 break; 3789 case VKI_IPC_STAT: 3790 case VKI_SEM_STAT: 3791 case VKI_IPC_SET: 3792 PRINT("sys_semctl ( %ld, %ld, %ld, %#lx )", SARG1, SARG2, SARG3, ARG4); 3793 PRE_REG_READ4(long, "semctl", 3794 int, semid, int, semnum, int, cmd, struct semid_ds *, arg); 3795 break; 3796 case VKI_GETALL: 3797 case VKI_SETALL: 3798 PRINT("sys_semctl ( %ld, %ld, %ld, %#lx )", SARG1, SARG2, SARG3, ARG4); 3799 PRE_REG_READ4(long, "semctl", 3800 int, semid, int, semnum, int, cmd, unsigned short *, arg); 3801 break; 3802 default: 3803 PRINT("sys_semctl ( %ld, %ld, %ld )", SARG1, SARG2, SARG3); 3804 PRE_REG_READ3(long, "semctl", 3805 int, semid, int, semnum, int, cmd); 3806 break; 3807 } 3808 #ifdef VGP_amd64_linux 3809 ML_(generic_PRE_sys_semctl)(tid, ARG1,ARG2,ARG3|VKI_IPC_64,ARG4); 3810 #else 3811 ML_(generic_PRE_sys_semctl)(tid, ARG1,ARG2,ARG3,ARG4); 3812 #endif 3813 } 3814 3815 POST(sys_semctl) 3816 { 3817 #ifdef VGP_amd64_linux 3818 ML_(generic_POST_sys_semctl)(tid, RES,ARG1,ARG2,ARG3|VKI_IPC_64,ARG4); 3819 #else 3820 ML_(generic_POST_sys_semctl)(tid, RES,ARG1,ARG2,ARG3,ARG4); 3821 #endif 3822 } 3823 3824 PRE(sys_semtimedop) 3825 { 3826 *flags |= SfMayBlock; 3827 PRINT("sys_semtimedop ( %ld, %#lx, %lu, %#lx )", SARG1, ARG2, ARG3, ARG4); 3828 PRE_REG_READ4(long, "semtimedop", 3829 int, semid, struct sembuf *, sops, unsigned, nsoops, 3830 struct timespec *, timeout); 3831 ML_(generic_PRE_sys_semtimedop)(tid, ARG1,ARG2,ARG3,ARG4); 3832 } 3833 3834 PRE(sys_msgget) 3835 { 3836 PRINT("sys_msgget ( %ld, %ld )", SARG1, SARG2); 3837 PRE_REG_READ2(long, "msgget", vki_key_t, key, int, msgflg); 3838 } 3839 3840 PRE(sys_msgsnd) 3841 { 3842 PRINT("sys_msgsnd ( %ld, %#lx, %lu, %ld )", SARG1, ARG2, ARG3, SARG4); 3843 PRE_REG_READ4(long, "msgsnd", 3844 int, msqid, struct msgbuf *, msgp, vki_size_t, msgsz, int, msgflg); 3845 ML_(linux_PRE_sys_msgsnd)(tid, ARG1,ARG2,ARG3,ARG4); 3846 if ((ARG4 & VKI_IPC_NOWAIT) == 0) 3847 *flags |= SfMayBlock; 3848 } 3849 3850 PRE(sys_msgrcv) 3851 { 3852 PRINT("sys_msgrcv ( %ld, %#lx, %lu, %ld, %ld )", 3853 SARG1, ARG2, ARG3, SARG4, SARG5); 3854 PRE_REG_READ5(long, "msgrcv", 3855 int, msqid, struct msgbuf *, msgp, vki_size_t, msgsz, 3856 long, msgytp, int, msgflg); 3857 ML_(linux_PRE_sys_msgrcv)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); 3858 if ((ARG5 & VKI_IPC_NOWAIT) == 0) 3859 *flags |= SfMayBlock; 3860 } 3861 POST(sys_msgrcv) 3862 { 3863 ML_(linux_POST_sys_msgrcv)(tid, RES,ARG1,ARG2,ARG3,ARG4,ARG5); 3864 } 3865 3866 PRE(sys_msgctl) 3867 { 3868 PRINT("sys_msgctl ( %ld, %ld, %#lx )", SARG1, SARG2, ARG3); 3869 PRE_REG_READ3(long, "msgctl", 3870 int, msqid, int, cmd, struct msqid_ds *, buf); 3871 ML_(linux_PRE_sys_msgctl)(tid, ARG1,ARG2,ARG3); 3872 } 3873 3874 POST(sys_msgctl) 3875 { 3876 ML_(linux_POST_sys_msgctl)(tid, RES,ARG1,ARG2,ARG3); 3877 } 3878 3879 PRE(sys_shmget) 3880 { 3881 PRINT("sys_shmget ( %ld, %lu, %ld )", SARG1, ARG2, SARG3); 3882 PRE_REG_READ3(long, "shmget", vki_key_t, key, vki_size_t, size, int, shmflg); 3883 if (ARG3 & VKI_SHM_HUGETLB) { 3884 static Bool warning_given = False; 3885 ARG3 &= ~VKI_SHM_HUGETLB; 3886 if (!warning_given) { 3887 warning_given = True; 3888 VG_(umsg)( 3889 "WARNING: valgrind ignores shmget(shmflg) SHM_HUGETLB\n"); 3890 } 3891 } 3892 } 3893 3894 PRE(wrap_sys_shmat) 3895 { 3896 UWord arg2tmp; 3897 PRINT("wrap_sys_shmat ( %ld, %#lx, %ld )", SARG1, ARG2, SARG3); 3898 PRE_REG_READ3(long, "shmat", 3899 int, shmid, const void *, shmaddr, int, shmflg); 3900 #if defined(VGP_arm_linux) 3901 /* Round the attach address down to an VKI_SHMLBA boundary if the 3902 client requested rounding. See #222545. This is necessary only 3903 on arm-linux because VKI_SHMLBA is 4 * VKI_PAGE size; on all 3904 other linux targets it is the same as the page size. */ 3905 if (ARG3 & VKI_SHM_RND) 3906 ARG2 = VG_ROUNDDN(ARG2, VKI_SHMLBA); 3907 #endif 3908 arg2tmp = ML_(generic_PRE_sys_shmat)(tid, ARG1,ARG2,ARG3); 3909 if (arg2tmp == 0) 3910 SET_STATUS_Failure( VKI_EINVAL ); 3911 else 3912 ARG2 = arg2tmp; // used in POST 3913 } 3914 3915 POST(wrap_sys_shmat) 3916 { 3917 ML_(generic_POST_sys_shmat)(tid, RES,ARG1,ARG2,ARG3); 3918 } 3919 3920 PRE(sys_shmdt) 3921 { 3922 PRINT("sys_shmdt ( %#lx )",ARG1); 3923 PRE_REG_READ1(long, "shmdt", const void *, shmaddr); 3924 if (!ML_(generic_PRE_sys_shmdt)(tid, ARG1)) 3925 SET_STATUS_Failure( VKI_EINVAL ); 3926 } 3927 3928 POST(sys_shmdt) 3929 { 3930 ML_(generic_POST_sys_shmdt)(tid, RES,ARG1); 3931 } 3932 3933 PRE(sys_shmctl) 3934 { 3935 PRINT("sys_shmctl ( %ld, %ld, %#lx )", SARG1, SARG2, ARG3); 3936 PRE_REG_READ3(long, "shmctl", 3937 int, shmid, int, cmd, struct shmid_ds *, buf); 3938 #ifdef VGP_amd64_linux 3939 ML_(generic_PRE_sys_shmctl)(tid, ARG1,ARG2|VKI_IPC_64,ARG3); 3940 #else 3941 ML_(generic_PRE_sys_shmctl)(tid, ARG1,ARG2,ARG3); 3942 #endif 3943 } 3944 3945 POST(sys_shmctl) 3946 { 3947 #ifdef VGP_amd64_linux 3948 ML_(generic_POST_sys_shmctl)(tid, RES,ARG1,ARG2|VKI_IPC_64,ARG3); 3949 #else 3950 ML_(generic_POST_sys_shmctl)(tid, RES,ARG1,ARG2,ARG3); 3951 #endif 3952 } 3953 3954 3955 /* --------------------------------------------------------------------- 3956 Generic handler for sys_socketcall 3957 Depending on the platform, some socket related syscalls (e.g. socketpair, 3958 socket, bind, ...) 3959 are either direct system calls, or are all implemented via sys_socketcall. 3960 ------------------------------------------------------------------ */ 3961 #ifdef __NR_socketcall 3962 PRE(sys_socketcall) 3963 { 3964 # define ARG2_0 (((UWord*)ARG2)[0]) 3965 # define ARG2_1 (((UWord*)ARG2)[1]) 3966 # define ARG2_2 (((UWord*)ARG2)[2]) 3967 # define ARG2_3 (((UWord*)ARG2)[3]) 3968 # define ARG2_4 (((UWord*)ARG2)[4]) 3969 # define ARG2_5 (((UWord*)ARG2)[5]) 3970 3971 // call PRE_MEM_READ and check for EFAULT result. 3972 #define PRE_MEM_READ_ef(msg, arg, size) \ 3973 { \ 3974 PRE_MEM_READ( msg, arg, size); \ 3975 if (!ML_(valid_client_addr)(arg, size, tid, NULL)) { \ 3976 SET_STATUS_Failure( VKI_EFAULT ); \ 3977 break; \ 3978 } \ 3979 } 3980 3981 *flags |= SfMayBlock; 3982 PRINT("sys_socketcall ( %ld, %#lx )", SARG1, ARG2); 3983 PRE_REG_READ2(long, "socketcall", int, call, unsigned long *, args); 3984 3985 switch (ARG1 /* request */) { 3986 3987 case VKI_SYS_SOCKETPAIR: 3988 /* int socketpair(int d, int type, int protocol, int sv[2]); */ 3989 PRE_MEM_READ_ef( "socketcall.socketpair(args)", ARG2, 4*sizeof(Addr) ); 3990 ML_(generic_PRE_sys_socketpair)( tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3 ); 3991 break; 3992 3993 case VKI_SYS_SOCKET: 3994 /* int socket(int domain, int type, int protocol); */ 3995 PRE_MEM_READ_ef( "socketcall.socket(args)", ARG2, 3*sizeof(Addr) ); 3996 break; 3997 3998 case VKI_SYS_BIND: 3999 /* int bind(int sockfd, struct sockaddr *my_addr, 4000 int addrlen); */ 4001 PRE_MEM_READ_ef( "socketcall.bind(args)", ARG2, 3*sizeof(Addr) ); 4002 ML_(generic_PRE_sys_bind)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4003 break; 4004 4005 case VKI_SYS_LISTEN: 4006 /* int listen(int s, int backlog); */ 4007 PRE_MEM_READ_ef( "socketcall.listen(args)", ARG2, 2*sizeof(Addr) ); 4008 break; 4009 4010 case VKI_SYS_ACCEPT: 4011 /* int accept(int s, struct sockaddr *addr, int *addrlen); */ 4012 PRE_MEM_READ_ef( "socketcall.accept(args)", ARG2, 3*sizeof(Addr) ); 4013 ML_(generic_PRE_sys_accept)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4014 break; 4015 4016 case VKI_SYS_ACCEPT4: 4017 /* int accept4(int s, struct sockaddr *addr, int *addrlen, int flags); */ 4018 PRE_MEM_READ_ef( "socketcall.accept4(args)", ARG2, 4*sizeof(Addr) ); 4019 ML_(generic_PRE_sys_accept)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4020 break; 4021 4022 case VKI_SYS_SENDTO: 4023 /* int sendto(int s, const void *msg, int len, 4024 unsigned int flags, 4025 const struct sockaddr *to, int tolen); */ 4026 PRE_MEM_READ_ef( "socketcall.sendto(args)", ARG2, 6*sizeof(Addr) ); 4027 ML_(generic_PRE_sys_sendto)( tid, ARG2_0, ARG2_1, ARG2_2, 4028 ARG2_3, ARG2_4, ARG2_5 ); 4029 break; 4030 4031 case VKI_SYS_SEND: 4032 /* int send(int s, const void *msg, size_t len, int flags); */ 4033 PRE_MEM_READ_ef( "socketcall.send(args)", ARG2, 4*sizeof(Addr) ); 4034 ML_(generic_PRE_sys_send)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4035 break; 4036 4037 case VKI_SYS_RECVFROM: 4038 /* int recvfrom(int s, void *buf, int len, unsigned int flags, 4039 struct sockaddr *from, int *fromlen); */ 4040 PRE_MEM_READ_ef( "socketcall.recvfrom(args)", ARG2, 6*sizeof(Addr) ); 4041 ML_(generic_PRE_sys_recvfrom)( tid, ARG2_0, ARG2_1, ARG2_2, 4042 ARG2_3, ARG2_4, ARG2_5 ); 4043 break; 4044 4045 case VKI_SYS_RECV: 4046 /* int recv(int s, void *buf, int len, unsigned int flags); */ 4047 /* man 2 recv says: 4048 The recv call is normally used only on a connected socket 4049 (see connect(2)) and is identical to recvfrom with a NULL 4050 from parameter. 4051 */ 4052 PRE_MEM_READ_ef( "socketcall.recv(args)", ARG2, 4*sizeof(Addr) ); 4053 ML_(generic_PRE_sys_recv)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4054 break; 4055 4056 case VKI_SYS_CONNECT: 4057 /* int connect(int sockfd, 4058 struct sockaddr *serv_addr, int addrlen ); */ 4059 PRE_MEM_READ_ef( "socketcall.connect(args)", ARG2, 3*sizeof(Addr) ); 4060 ML_(generic_PRE_sys_connect)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4061 break; 4062 4063 case VKI_SYS_SETSOCKOPT: 4064 /* int setsockopt(int s, int level, int optname, 4065 const void *optval, int optlen); */ 4066 PRE_MEM_READ_ef( "socketcall.setsockopt(args)", ARG2, 5*sizeof(Addr) ); 4067 ML_(linux_PRE_sys_setsockopt)( tid, ARG2_0, ARG2_1, ARG2_2, 4068 ARG2_3, ARG2_4 ); 4069 break; 4070 4071 case VKI_SYS_GETSOCKOPT: 4072 /* int getsockopt(int s, int level, int optname, 4073 void *optval, socklen_t *optlen); */ 4074 PRE_MEM_READ_ef( "socketcall.getsockopt(args)", ARG2, 5*sizeof(Addr) ); 4075 ML_(linux_PRE_sys_getsockopt)( tid, ARG2_0, ARG2_1, ARG2_2, 4076 ARG2_3, ARG2_4 ); 4077 break; 4078 4079 case VKI_SYS_GETSOCKNAME: 4080 /* int getsockname(int s, struct sockaddr* name, int* namelen) */ 4081 PRE_MEM_READ_ef( "socketcall.getsockname(args)", ARG2, 3*sizeof(Addr) ); 4082 ML_(generic_PRE_sys_getsockname)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4083 break; 4084 4085 case VKI_SYS_GETPEERNAME: 4086 /* int getpeername(int s, struct sockaddr* name, int* namelen) */ 4087 PRE_MEM_READ_ef( "socketcall.getpeername(args)", ARG2, 3*sizeof(Addr) ); 4088 ML_(generic_PRE_sys_getpeername)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4089 break; 4090 4091 case VKI_SYS_SHUTDOWN: 4092 /* int shutdown(int s, int how); */ 4093 PRE_MEM_READ_ef( "socketcall.shutdown(args)", ARG2, 2*sizeof(Addr) ); 4094 break; 4095 4096 case VKI_SYS_SENDMSG: 4097 /* int sendmsg(int s, const struct msghdr *msg, int flags); */ 4098 PRE_MEM_READ_ef( "socketcall.sendmsg(args)", ARG2, 3*sizeof(Addr) ); 4099 ML_(generic_PRE_sys_sendmsg)( tid, "msg", (struct vki_msghdr *)ARG2_1 ); 4100 break; 4101 4102 case VKI_SYS_RECVMSG: 4103 /* int recvmsg(int s, struct msghdr *msg, int flags); */ 4104 PRE_MEM_READ_ef("socketcall.recvmsg(args)", ARG2, 3*sizeof(Addr) ); 4105 ML_(generic_PRE_sys_recvmsg)( tid, "msg", (struct vki_msghdr *)ARG2_1 ); 4106 break; 4107 4108 case VKI_SYS_RECVMMSG: 4109 /* int recvmmsg(int s, struct mmsghdr *mmsg, int vlen, int flags, 4110 struct timespec *timeout); */ 4111 PRE_MEM_READ_ef("socketcall.recvmmsg(args)", ARG2, 5*sizeof(Addr) ); 4112 ML_(linux_PRE_sys_recvmmsg)( tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3, 4113 ARG2_4 ); 4114 break; 4115 4116 case VKI_SYS_SENDMMSG: 4117 /* int sendmmsg(int s, struct mmsghdr *mmsg, int vlen, int flags); */ 4118 PRE_MEM_READ_ef("socketcall.sendmmsg(args)", ARG2, 4*sizeof(Addr) ); 4119 ML_(linux_PRE_sys_sendmmsg)( tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3 ); 4120 break; 4121 4122 default: 4123 VG_(message)(Vg_DebugMsg,"Warning: unhandled socketcall 0x%lx\n",ARG1); 4124 SET_STATUS_Failure( VKI_EINVAL ); 4125 break; 4126 } 4127 # undef ARG2_0 4128 # undef ARG2_1 4129 # undef ARG2_2 4130 # undef ARG2_3 4131 # undef ARG2_4 4132 # undef ARG2_5 4133 } 4134 4135 POST(sys_socketcall) 4136 { 4137 # define ARG2_0 (((UWord*)ARG2)[0]) 4138 # define ARG2_1 (((UWord*)ARG2)[1]) 4139 # define ARG2_2 (((UWord*)ARG2)[2]) 4140 # define ARG2_3 (((UWord*)ARG2)[3]) 4141 # define ARG2_4 (((UWord*)ARG2)[4]) 4142 # define ARG2_5 (((UWord*)ARG2)[5]) 4143 4144 SysRes r; 4145 vg_assert(SUCCESS); 4146 switch (ARG1 /* request */) { 4147 4148 case VKI_SYS_SOCKETPAIR: 4149 r = ML_(generic_POST_sys_socketpair)( 4150 tid, VG_(mk_SysRes_Success)(RES), 4151 ARG2_0, ARG2_1, ARG2_2, ARG2_3 4152 ); 4153 SET_STATUS_from_SysRes(r); 4154 break; 4155 4156 case VKI_SYS_SOCKET: 4157 r = ML_(generic_POST_sys_socket)( tid, VG_(mk_SysRes_Success)(RES) ); 4158 SET_STATUS_from_SysRes(r); 4159 break; 4160 4161 case VKI_SYS_BIND: 4162 /* int bind(int sockfd, struct sockaddr *my_addr, 4163 int addrlen); */ 4164 break; 4165 4166 case VKI_SYS_LISTEN: 4167 /* int listen(int s, int backlog); */ 4168 break; 4169 4170 case VKI_SYS_ACCEPT: 4171 case VKI_SYS_ACCEPT4: 4172 /* int accept(int s, struct sockaddr *addr, int *addrlen); */ 4173 /* int accept4(int s, struct sockaddr *addr, int *addrlen, int flags); */ 4174 r = ML_(generic_POST_sys_accept)( tid, VG_(mk_SysRes_Success)(RES), 4175 ARG2_0, ARG2_1, ARG2_2 ); 4176 SET_STATUS_from_SysRes(r); 4177 break; 4178 4179 case VKI_SYS_SENDTO: 4180 break; 4181 4182 case VKI_SYS_SEND: 4183 break; 4184 4185 case VKI_SYS_RECVFROM: 4186 ML_(generic_POST_sys_recvfrom)( tid, VG_(mk_SysRes_Success)(RES), 4187 ARG2_0, ARG2_1, ARG2_2, 4188 ARG2_3, ARG2_4, ARG2_5 ); 4189 break; 4190 4191 case VKI_SYS_RECV: 4192 ML_(generic_POST_sys_recv)( tid, RES, ARG2_0, ARG2_1, ARG2_2 ); 4193 break; 4194 4195 case VKI_SYS_CONNECT: 4196 break; 4197 4198 case VKI_SYS_SETSOCKOPT: 4199 break; 4200 4201 case VKI_SYS_GETSOCKOPT: 4202 ML_(linux_POST_sys_getsockopt)( tid, VG_(mk_SysRes_Success)(RES), 4203 ARG2_0, ARG2_1, 4204 ARG2_2, ARG2_3, ARG2_4 ); 4205 break; 4206 4207 case VKI_SYS_GETSOCKNAME: 4208 ML_(generic_POST_sys_getsockname)( tid, VG_(mk_SysRes_Success)(RES), 4209 ARG2_0, ARG2_1, ARG2_2 ); 4210 break; 4211 4212 case VKI_SYS_GETPEERNAME: 4213 ML_(generic_POST_sys_getpeername)( tid, VG_(mk_SysRes_Success)(RES), 4214 ARG2_0, ARG2_1, ARG2_2 ); 4215 break; 4216 4217 case VKI_SYS_SHUTDOWN: 4218 break; 4219 4220 case VKI_SYS_SENDMSG: 4221 break; 4222 4223 case VKI_SYS_RECVMSG: 4224 ML_(generic_POST_sys_recvmsg)( tid, "msg", (struct vki_msghdr *)ARG2_1, RES ); 4225 break; 4226 4227 case VKI_SYS_RECVMMSG: 4228 ML_(linux_POST_sys_recvmmsg)( tid, RES, 4229 ARG2_0, ARG2_1, ARG2_2, ARG2_3, ARG2_4 ); 4230 break; 4231 4232 case VKI_SYS_SENDMMSG: 4233 ML_(linux_POST_sys_sendmmsg)( tid, RES, ARG2_0, ARG2_1, ARG2_2, ARG2_3 ); 4234 break; 4235 4236 default: 4237 VG_(message)(Vg_DebugMsg,"FATAL: unhandled socketcall 0x%lx\n",ARG1); 4238 VG_(core_panic)("... bye!\n"); 4239 break; /*NOTREACHED*/ 4240 } 4241 # undef ARG2_0 4242 # undef ARG2_1 4243 # undef ARG2_2 4244 # undef ARG2_3 4245 # undef ARG2_4 4246 # undef ARG2_5 4247 } 4248 #endif 4249 4250 PRE(sys_socket) 4251 { 4252 PRINT("sys_socket ( %ld, %ld, %ld )", SARG1, SARG2, SARG3); 4253 PRE_REG_READ3(long, "socket", int, domain, int, type, int, protocol); 4254 } 4255 POST(sys_socket) 4256 { 4257 SysRes r; 4258 vg_assert(SUCCESS); 4259 r = ML_(generic_POST_sys_socket)(tid, VG_(mk_SysRes_Success)(RES)); 4260 SET_STATUS_from_SysRes(r); 4261 } 4262 4263 PRE(sys_setsockopt) 4264 { 4265 PRINT("sys_setsockopt ( %ld, %ld, %ld, %#lx, %lu )", 4266 SARG1, SARG2, SARG3, ARG4, ARG5); 4267 PRE_REG_READ5(long, "setsockopt", 4268 int, s, int, level, int, optname, 4269 const void *, optval, unsigned, optlen); // socklen_t 4270 ML_(linux_PRE_sys_setsockopt)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); 4271 } 4272 4273 PRE(sys_getsockopt) 4274 { 4275 PRINT("sys_getsockopt ( %ld, %ld, %ld, %#lx, %ld )", 4276 SARG1, SARG2, SARG3, ARG4, SARG5); 4277 PRE_REG_READ5(long, "getsockopt", 4278 int, s, int, level, int, optname, 4279 void *, optval, int, *optlen); 4280 ML_(linux_PRE_sys_getsockopt)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); 4281 } 4282 POST(sys_getsockopt) 4283 { 4284 vg_assert(SUCCESS); 4285 ML_(linux_POST_sys_getsockopt)(tid, VG_(mk_SysRes_Success)(RES), 4286 ARG1,ARG2,ARG3,ARG4,ARG5); 4287 } 4288 4289 PRE(sys_connect) 4290 { 4291 *flags |= SfMayBlock; 4292 PRINT("sys_connect ( %ld, %#lx, %ld )", SARG1, ARG2, SARG3); 4293 PRE_REG_READ3(long, "connect", 4294 int, sockfd, struct sockaddr *, serv_addr, int, addrlen); 4295 ML_(generic_PRE_sys_connect)(tid, ARG1,ARG2,ARG3); 4296 } 4297 4298 PRE(sys_accept) 4299 { 4300 *flags |= SfMayBlock; 4301 PRINT("sys_accept ( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3); 4302 PRE_REG_READ3(long, "accept", 4303 int, s, struct sockaddr *, addr, int *, addrlen); 4304 ML_(generic_PRE_sys_accept)(tid, ARG1,ARG2,ARG3); 4305 } 4306 POST(sys_accept) 4307 { 4308 SysRes r; 4309 vg_assert(SUCCESS); 4310 r = ML_(generic_POST_sys_accept)(tid, VG_(mk_SysRes_Success)(RES), 4311 ARG1,ARG2,ARG3); 4312 SET_STATUS_from_SysRes(r); 4313 } 4314 4315 PRE(sys_accept4) 4316 { 4317 *flags |= SfMayBlock; 4318 PRINT("sys_accept4 ( %ld, %#lx, %#lx, %ld )", SARG1, ARG2, ARG3, SARG4); 4319 PRE_REG_READ4(long, "accept4", 4320 int, s, struct sockaddr *, addr, int *, addrlen, int, flags); 4321 ML_(generic_PRE_sys_accept)(tid, ARG1,ARG2,ARG3); 4322 } 4323 POST(sys_accept4) 4324 { 4325 SysRes r; 4326 vg_assert(SUCCESS); 4327 r = ML_(generic_POST_sys_accept)(tid, VG_(mk_SysRes_Success)(RES), 4328 ARG1,ARG2,ARG3); 4329 SET_STATUS_from_SysRes(r); 4330 } 4331 4332 PRE(sys_send) 4333 { 4334 *flags |= SfMayBlock; 4335 PRINT("sys_send ( %ld, %#lx, %lu, %#lx )", SARG1, ARG2, ARG3, ARG4); 4336 PRE_REG_READ4(long, "send", 4337 int, s, const void *, msg, vki_size_t, len, 4338 int, flags); 4339 4340 ML_(generic_PRE_sys_send)( tid, ARG1, ARG2, ARG3 ); 4341 } 4342 4343 PRE(sys_sendto) 4344 { 4345 *flags |= SfMayBlock; 4346 PRINT("sys_sendto ( %ld, %#lx, %lu, %lu, %#lx, %ld )", 4347 SARG1, ARG2, ARG3, ARG4, ARG5, SARG6); 4348 PRE_REG_READ6(long, "sendto", 4349 int, s, const void *, msg, vki_size_t, len, 4350 unsigned int, flags, 4351 const struct sockaddr *, to, int, tolen); 4352 ML_(generic_PRE_sys_sendto)(tid, ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); 4353 } 4354 4355 PRE (sys_recv) 4356 { 4357 *flags |= SfMayBlock; 4358 PRINT ("sys_recv ( %ld, %#lx, %lu, %lu )", SARG1, ARG2, ARG3, ARG4); 4359 PRE_REG_READ4 (long, "recv", int, s, void *, buf, vki_size_t, len, 4360 unsigned int, flags); 4361 ML_ (generic_PRE_sys_recv) (tid, ARG1, ARG2, ARG3); 4362 } 4363 4364 POST (sys_recv) 4365 { 4366 ML_ (generic_POST_sys_recv) (tid, RES, ARG1, ARG2, ARG3); 4367 } 4368 4369 PRE(sys_recvfrom) 4370 { 4371 *flags |= SfMayBlock; 4372 PRINT("sys_recvfrom ( %ld, %#lx, %lu, %lu, %#lx, %#lx )", 4373 SARG1, ARG2, ARG3, ARG4, ARG5, ARG6); 4374 PRE_REG_READ6(long, "recvfrom", 4375 int, s, void *, buf, vki_size_t, len, unsigned int, flags, 4376 struct sockaddr *, from, int *, fromlen); 4377 ML_(generic_PRE_sys_recvfrom)(tid, ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); 4378 } 4379 POST(sys_recvfrom) 4380 { 4381 vg_assert(SUCCESS); 4382 ML_(generic_POST_sys_recvfrom)(tid, VG_(mk_SysRes_Success)(RES), 4383 ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); 4384 } 4385 4386 PRE(sys_sendmsg) 4387 { 4388 *flags |= SfMayBlock; 4389 PRINT("sys_sendmsg ( %ld, %#lx, %lu )", SARG1, ARG2, ARG3); 4390 PRE_REG_READ3(long, "sendmsg", 4391 int, s, const struct msghdr *, msg, unsigned int, flags); 4392 ML_(generic_PRE_sys_sendmsg)(tid, "msg", (struct vki_msghdr *)ARG2); 4393 } 4394 4395 PRE(sys_recvmsg) 4396 { 4397 *flags |= SfMayBlock; 4398 PRINT("sys_recvmsg ( %ld, %#lx, %lu )", SARG1, ARG2, ARG3); 4399 PRE_REG_READ3(long, "recvmsg", int, s, struct msghdr *, msg, 4400 unsigned int, flags); 4401 ML_(generic_PRE_sys_recvmsg)(tid, "msg", (struct vki_msghdr *)ARG2); 4402 } 4403 POST(sys_recvmsg) 4404 { 4405 ML_(generic_POST_sys_recvmsg)(tid, "msg", (struct vki_msghdr *)ARG2, RES); 4406 } 4407 4408 PRE(sys_shutdown) 4409 { 4410 *flags |= SfMayBlock; 4411 PRINT("sys_shutdown ( %ld, %ld )", SARG1, SARG2); 4412 PRE_REG_READ2(int, "shutdown", int, s, int, how); 4413 } 4414 4415 PRE(sys_bind) 4416 { 4417 PRINT("sys_bind ( %ld, %#lx, %ld )", SARG1, ARG2, SARG3); 4418 PRE_REG_READ3(long, "bind", 4419 int, sockfd, struct sockaddr *, my_addr, int, addrlen); 4420 ML_(generic_PRE_sys_bind)(tid, ARG1,ARG2,ARG3); 4421 } 4422 4423 PRE(sys_listen) 4424 { 4425 PRINT("sys_listen ( %ld, %ld )", SARG1, SARG2); 4426 PRE_REG_READ2(long, "listen", int, s, int, backlog); 4427 } 4428 4429 PRE(sys_getsockname) 4430 { 4431 PRINT("sys_getsockname ( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3); 4432 PRE_REG_READ3(long, "getsockname", 4433 int, s, struct sockaddr *, name, int *, namelen); 4434 ML_(generic_PRE_sys_getsockname)(tid, ARG1,ARG2,ARG3); 4435 } 4436 POST(sys_getsockname) 4437 { 4438 vg_assert(SUCCESS); 4439 ML_(generic_POST_sys_getsockname)(tid, VG_(mk_SysRes_Success)(RES), 4440 ARG1,ARG2,ARG3); 4441 } 4442 4443 PRE(sys_getpeername) 4444 { 4445 PRINT("sys_getpeername ( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3); 4446 PRE_REG_READ3(long, "getpeername", 4447 int, s, struct sockaddr *, name, int *, namelen); 4448 ML_(generic_PRE_sys_getpeername)(tid, ARG1,ARG2,ARG3); 4449 } 4450 POST(sys_getpeername) 4451 { 4452 vg_assert(SUCCESS); 4453 ML_(generic_POST_sys_getpeername)(tid, VG_(mk_SysRes_Success)(RES), 4454 ARG1,ARG2,ARG3); 4455 } 4456 4457 PRE(sys_socketpair) 4458 { 4459 PRINT("sys_socketpair ( %ld, %ld, %ld, %#lx )", SARG1, SARG2, SARG3, ARG4); 4460 PRE_REG_READ4(long, "socketpair", 4461 int, d, int, type, int, protocol, int*, sv); 4462 ML_(generic_PRE_sys_socketpair)(tid, ARG1,ARG2,ARG3,ARG4); 4463 } 4464 POST(sys_socketpair) 4465 { 4466 vg_assert(SUCCESS); 4467 ML_(generic_POST_sys_socketpair)(tid, VG_(mk_SysRes_Success)(RES), 4468 ARG1,ARG2,ARG3,ARG4); 4469 } 4470 4471 4472 /* --------------------------------------------------------------------- 4473 *at wrappers 4474 ------------------------------------------------------------------ */ 4475 4476 PRE(sys_openat) 4477 { 4478 HChar name[30]; // large enough 4479 SysRes sres; 4480 4481 if (ARG3 & VKI_O_CREAT) { 4482 // 4-arg version 4483 PRINT("sys_openat ( %ld, %#lx(%s), %ld, %ld )", 4484 SARG1, ARG2, (HChar*)ARG2, SARG3, SARG4); 4485 PRE_REG_READ4(long, "openat", 4486 int, dfd, const char *, filename, int, flags, int, mode); 4487 } else { 4488 // 3-arg version 4489 PRINT("sys_openat ( %ld, %#lx(%s), %ld )", 4490 SARG1, ARG2, (HChar*)ARG2, SARG3); 4491 PRE_REG_READ3(long, "openat", 4492 int, dfd, const char *, filename, int, flags); 4493 } 4494 4495 PRE_MEM_RASCIIZ( "openat(filename)", ARG2 ); 4496 4497 /* For absolute filenames, dfd is ignored. If dfd is AT_FDCWD, 4498 filename is relative to cwd. When comparing dfd against AT_FDCWD, 4499 be sure only to compare the bottom 32 bits. */ 4500 if (ML_(safe_to_deref)( (void*)ARG2, 1 ) 4501 && *(Char *)ARG2 != '/' 4502 && ((Int)ARG1) != ((Int)VKI_AT_FDCWD) 4503 && !ML_(fd_allowed)(ARG1, "openat", tid, False)) 4504 SET_STATUS_Failure( VKI_EBADF ); 4505 4506 /* Handle the case where the open is of /proc/self/cmdline or 4507 /proc/<pid>/cmdline, and just give it a copy of the fd for the 4508 fake file we cooked up at startup (in m_main). Also, seek the 4509 cloned fd back to the start. */ 4510 4511 VG_(sprintf)(name, "/proc/%d/cmdline", VG_(getpid)()); 4512 if (ML_(safe_to_deref)( (void*)ARG2, 1 ) 4513 && (VG_(strcmp)((HChar *)ARG2, name) == 0 4514 || VG_(strcmp)((HChar *)ARG2, "/proc/self/cmdline") == 0)) { 4515 sres = VG_(dup)( VG_(cl_cmdline_fd) ); 4516 SET_STATUS_from_SysRes( sres ); 4517 if (!sr_isError(sres)) { 4518 OffT off = VG_(lseek)( sr_Res(sres), 0, VKI_SEEK_SET ); 4519 if (off < 0) 4520 SET_STATUS_Failure( VKI_EMFILE ); 4521 } 4522 return; 4523 } 4524 4525 /* Do the same for /proc/self/auxv or /proc/<pid>/auxv case. */ 4526 4527 VG_(sprintf)(name, "/proc/%d/auxv", VG_(getpid)()); 4528 if (ML_(safe_to_deref)( (void*)ARG2, 1 ) 4529 && (VG_(strcmp)((HChar *)ARG2, name) == 0 4530 || VG_(strcmp)((HChar *)ARG2, "/proc/self/auxv") == 0)) { 4531 sres = VG_(dup)( VG_(cl_auxv_fd) ); 4532 SET_STATUS_from_SysRes( sres ); 4533 if (!sr_isError(sres)) { 4534 OffT off = VG_(lseek)( sr_Res(sres), 0, VKI_SEEK_SET ); 4535 if (off < 0) 4536 SET_STATUS_Failure( VKI_EMFILE ); 4537 } 4538 return; 4539 } 4540 4541 /* Otherwise handle normally */ 4542 *flags |= SfMayBlock; 4543 } 4544 4545 POST(sys_openat) 4546 { 4547 vg_assert(SUCCESS); 4548 if (!ML_(fd_allowed)(RES, "openat", tid, True)) { 4549 VG_(close)(RES); 4550 SET_STATUS_Failure( VKI_EMFILE ); 4551 } else { 4552 if (VG_(clo_track_fds)) 4553 ML_(record_fd_open_with_given_name)(tid, RES, (HChar*)ARG2); 4554 } 4555 } 4556 4557 PRE(sys_mkdirat) 4558 { 4559 *flags |= SfMayBlock; 4560 PRINT("sys_mkdirat ( %ld, %#lx(%s), %ld )", 4561 SARG1, ARG2, (HChar*)ARG2, SARG3); 4562 PRE_REG_READ3(long, "mkdirat", 4563 int, dfd, const char *, pathname, int, mode); 4564 PRE_MEM_RASCIIZ( "mkdirat(pathname)", ARG2 ); 4565 } 4566 4567 PRE(sys_mknodat) 4568 { 4569 PRINT("sys_mknodat ( %ld, %#lx(%s), 0x%lx, 0x%lx )", 4570 SARG1, ARG2, (HChar*)ARG2, ARG3, ARG4 ); 4571 PRE_REG_READ4(long, "mknodat", 4572 int, dfd, const char *, pathname, int, mode, unsigned, dev); 4573 PRE_MEM_RASCIIZ( "mknodat(pathname)", ARG2 ); 4574 } 4575 4576 PRE(sys_fchownat) 4577 { 4578 PRINT("sys_fchownat ( %ld, %#lx(%s), 0x%lx, 0x%lx )", 4579 SARG1, ARG2, (HChar*)ARG2, ARG3, ARG4); 4580 PRE_REG_READ4(long, "fchownat", 4581 int, dfd, const char *, path, 4582 vki_uid_t, owner, vki_gid_t, group); 4583 PRE_MEM_RASCIIZ( "fchownat(path)", ARG2 ); 4584 } 4585 4586 PRE(sys_futimesat) 4587 { 4588 PRINT("sys_futimesat ( %ld, %#lx(%s), %#lx )", 4589 SARG1, ARG2, (HChar*)ARG2, ARG3); 4590 PRE_REG_READ3(long, "futimesat", 4591 int, dfd, char *, filename, struct timeval *, tvp); 4592 if (ARG2 != 0) 4593 PRE_MEM_RASCIIZ( "futimesat(filename)", ARG2 ); 4594 if (ARG3 != 0) 4595 PRE_MEM_READ( "futimesat(tvp)", ARG3, 2 * sizeof(struct vki_timeval) ); 4596 } 4597 4598 PRE(sys_utimensat) 4599 { 4600 PRINT("sys_utimensat ( %ld, %#lx(%s), %#lx, 0x%lx )", 4601 SARG1, ARG2, (HChar*)ARG2, ARG3, ARG4); 4602 PRE_REG_READ4(long, "utimensat", 4603 int, dfd, char *, filename, struct timespec *, utimes, int, flags); 4604 if (ARG2 != 0) 4605 PRE_MEM_RASCIIZ( "utimensat(filename)", ARG2 ); 4606 if (ARG3 != 0) 4607 PRE_MEM_READ( "utimensat(tvp)", ARG3, 2 * sizeof(struct vki_timespec) ); 4608 } 4609 4610 PRE(sys_newfstatat) 4611 { 4612 FUSE_COMPATIBLE_MAY_BLOCK(); 4613 PRINT("sys_newfstatat ( %ld, %#lx(%s), %#lx )", 4614 SARG1, ARG2, (HChar*)ARG2, ARG3); 4615 PRE_REG_READ3(long, "fstatat", 4616 int, dfd, char *, file_name, struct stat *, buf); 4617 PRE_MEM_RASCIIZ( "fstatat(file_name)", ARG2 ); 4618 PRE_MEM_WRITE( "fstatat(buf)", ARG3, sizeof(struct vki_stat) ); 4619 } 4620 4621 POST(sys_newfstatat) 4622 { 4623 POST_MEM_WRITE( ARG3, sizeof(struct vki_stat) ); 4624 } 4625 4626 PRE(sys_unlinkat) 4627 { 4628 *flags |= SfMayBlock; 4629 PRINT("sys_unlinkat ( %ld, %#lx(%s) )", SARG1, ARG2, (HChar*)ARG2); 4630 PRE_REG_READ2(long, "unlinkat", int, dfd, const char *, pathname); 4631 PRE_MEM_RASCIIZ( "unlinkat(pathname)", ARG2 ); 4632 } 4633 4634 PRE(sys_renameat) 4635 { 4636 PRINT("sys_renameat ( %ld, %#lx(%s), %ld, %#lx(%s) )", 4637 SARG1, ARG2, (HChar*)ARG2, SARG3, ARG4, (HChar*)ARG4); 4638 PRE_REG_READ4(long, "renameat", 4639 int, olddfd, const char *, oldpath, 4640 int, newdfd, const char *, newpath); 4641 PRE_MEM_RASCIIZ( "renameat(oldpath)", ARG2 ); 4642 PRE_MEM_RASCIIZ( "renameat(newpath)", ARG4 ); 4643 } 4644 4645 PRE(sys_linkat) 4646 { 4647 *flags |= SfMayBlock; 4648 PRINT("sys_linkat ( %ld, %#lx(%s), %ld, %#lx(%s), %ld )", 4649 SARG1, ARG2, (HChar*)ARG2, SARG3, ARG4, (HChar*)ARG4, SARG5); 4650 PRE_REG_READ5(long, "linkat", 4651 int, olddfd, const char *, oldpath, 4652 int, newdfd, const char *, newpath, 4653 int, flags); 4654 PRE_MEM_RASCIIZ( "linkat(oldpath)", ARG2); 4655 PRE_MEM_RASCIIZ( "linkat(newpath)", ARG4); 4656 } 4657 4658 PRE(sys_symlinkat) 4659 { 4660 *flags |= SfMayBlock; 4661 PRINT("sys_symlinkat ( %#lx(%s), %ld, %#lx(%s) )", 4662 ARG1, (HChar*)ARG1, SARG2, ARG3, (HChar*)ARG3); 4663 PRE_REG_READ3(long, "symlinkat", 4664 const char *, oldpath, int, newdfd, const char *, newpath); 4665 PRE_MEM_RASCIIZ( "symlinkat(oldpath)", ARG1 ); 4666 PRE_MEM_RASCIIZ( "symlinkat(newpath)", ARG3 ); 4667 } 4668 4669 PRE(sys_readlinkat) 4670 { 4671 HChar name[30]; // large enough 4672 Word saved = SYSNO; 4673 4674 PRINT("sys_readlinkat ( %ld, %#lx(%s), %#lx, %lu )", 4675 SARG1, ARG2, (HChar*)ARG2, ARG3, ARG4); 4676 PRE_REG_READ4(long, "readlinkat", 4677 int, dfd, const char *, path, char *, buf, vki_size_t, bufsiz); 4678 PRE_MEM_RASCIIZ( "readlinkat(path)", ARG2 ); 4679 PRE_MEM_WRITE( "readlinkat(buf)", ARG3,ARG4 ); 4680 4681 /* 4682 * Handle the case where readlinkat is looking at /proc/self/exe or 4683 * /proc/<pid>/exe. 4684 */ 4685 VG_(sprintf)(name, "/proc/%d/exe", VG_(getpid)()); 4686 if (ML_(safe_to_deref)((void*)ARG2, 1) 4687 && (VG_(strcmp)((HChar *)ARG2, name) == 0 4688 || VG_(strcmp)((HChar *)ARG2, "/proc/self/exe") == 0)) { 4689 VG_(sprintf)(name, "/proc/self/fd/%d", VG_(cl_exec_fd)); 4690 SET_STATUS_from_SysRes( VG_(do_syscall4)(saved, ARG1, (UWord)name, 4691 ARG3, ARG4)); 4692 } else { 4693 /* Normal case */ 4694 SET_STATUS_from_SysRes( VG_(do_syscall4)(saved, ARG1, ARG2, ARG3, ARG4)); 4695 } 4696 4697 if (SUCCESS && RES > 0) 4698 POST_MEM_WRITE( ARG3, RES ); 4699 } 4700 4701 PRE(sys_fchmodat) 4702 { 4703 PRINT("sys_fchmodat ( %ld, %#lx(%s), %lu )", 4704 SARG1, ARG2, (HChar*)ARG2, ARG3); 4705 PRE_REG_READ3(long, "fchmodat", 4706 int, dfd, const char *, path, vki_mode_t, mode); 4707 PRE_MEM_RASCIIZ( "fchmodat(path)", ARG2 ); 4708 } 4709 4710 PRE(sys_faccessat) 4711 { 4712 PRINT("sys_faccessat ( %ld, %#lx(%s), %ld )", 4713 SARG1, ARG2, (HChar*)ARG2, SARG3); 4714 PRE_REG_READ3(long, "faccessat", 4715 int, dfd, const char *, pathname, int, mode); 4716 PRE_MEM_RASCIIZ( "faccessat(pathname)", ARG2 ); 4717 } 4718 4719 PRE(sys_name_to_handle_at) 4720 { 4721 PRINT("sys_name_to_handle_at ( %ld, %#lx(%s), %#lx, %#lx, %ld )", 4722 SARG1, ARG2, (HChar*)ARG2, ARG3, ARG4, SARG5); 4723 PRE_REG_READ5(int, "name_to_handle_at", 4724 int, dfd, const char *, name, 4725 struct vki_file_handle *, handle, 4726 int *, mnt_id, int, flag); 4727 PRE_MEM_RASCIIZ( "name_to_handle_at(name)", ARG2 ); 4728 if (ML_(safe_to_deref)( (void*)ARG3, sizeof(struct vki_file_handle))) { 4729 struct vki_file_handle *fh = (struct vki_file_handle *)ARG3; 4730 PRE_MEM_READ( "name_to_handle_at(handle)", (Addr)&fh->handle_bytes, sizeof(fh->handle_bytes) ); 4731 PRE_MEM_WRITE( "name_to_handle_at(handle)", (Addr)fh, sizeof(struct vki_file_handle) + fh->handle_bytes ); 4732 } 4733 PRE_MEM_WRITE( "name_to_handle_at(mnt_id)", ARG4, sizeof(int) ); 4734 } 4735 4736 POST(sys_name_to_handle_at) 4737 { 4738 struct vki_file_handle *fh = (struct vki_file_handle *)ARG3; 4739 POST_MEM_WRITE( ARG3, sizeof(struct vki_file_handle) + fh->handle_bytes ); 4740 POST_MEM_WRITE( ARG4, sizeof(int) ); 4741 } 4742 4743 PRE(sys_open_by_handle_at) 4744 { 4745 *flags |= SfMayBlock; 4746 PRINT("sys_open_by_handle_at ( %ld, %#lx, %ld )", SARG1, ARG2, SARG3); 4747 PRE_REG_READ3(int, "open_by_handle_at", 4748 int, mountdirfd, 4749 struct vki_file_handle *, handle, 4750 int, flags); 4751 PRE_MEM_READ( "open_by_handle_at(handle)", ARG2, sizeof(struct vki_file_handle) + ((struct vki_file_handle*)ARG2)->handle_bytes ); 4752 } 4753 4754 POST(sys_open_by_handle_at) 4755 { 4756 vg_assert(SUCCESS); 4757 if (!ML_(fd_allowed)(RES, "open_by_handle_at", tid, True)) { 4758 VG_(close)(RES); 4759 SET_STATUS_Failure( VKI_EMFILE ); 4760 } else { 4761 if (VG_(clo_track_fds)) 4762 ML_(record_fd_open_with_given_name)(tid, RES, (HChar*)ARG2); 4763 } 4764 } 4765 4766 /* --------------------------------------------------------------------- 4767 p{read,write}v wrappers 4768 ------------------------------------------------------------------ */ 4769 4770 PRE(sys_preadv) 4771 { 4772 Int i; 4773 struct vki_iovec * vec; 4774 *flags |= SfMayBlock; 4775 #if VG_WORDSIZE == 4 4776 /* Note that the offset argument here is in lo+hi order on both 4777 big and little endian platforms... */ 4778 PRINT("sys_preadv ( %lu, %#lx, %lu, %lld )", 4779 ARG1, ARG2, ARG3, (Long)LOHI64(ARG4,ARG5)); 4780 PRE_REG_READ5(ssize_t, "preadv", 4781 unsigned long, fd, const struct iovec *, vector, 4782 unsigned long, count, vki_u32, offset_low, 4783 vki_u32, offset_high); 4784 #elif VG_WORDSIZE == 8 4785 PRINT("sys_preadv ( %lu, %#lx, %lu, %ld )", ARG1, ARG2, ARG3, SARG4); 4786 PRE_REG_READ4(ssize_t, "preadv", 4787 unsigned long, fd, const struct iovec *, vector, 4788 unsigned long, count, Word, offset); 4789 #else 4790 # error Unexpected word size 4791 #endif 4792 if (!ML_(fd_allowed)(ARG1, "preadv", tid, False)) { 4793 SET_STATUS_Failure( VKI_EBADF ); 4794 } else { 4795 PRE_MEM_READ( "preadv(vector)", ARG2, ARG3 * sizeof(struct vki_iovec) ); 4796 4797 if (ARG2 != 0) { 4798 /* ToDo: don't do any of the following if the vector is invalid */ 4799 vec = (struct vki_iovec *)ARG2; 4800 for (i = 0; i < (Int)ARG3; i++) 4801 PRE_MEM_WRITE( "preadv(vector[...])", 4802 (Addr)vec[i].iov_base, vec[i].iov_len ); 4803 } 4804 } 4805 } 4806 4807 POST(sys_preadv) 4808 { 4809 vg_assert(SUCCESS); 4810 if (RES > 0) { 4811 Int i; 4812 struct vki_iovec * vec = (struct vki_iovec *)ARG2; 4813 Int remains = RES; 4814 4815 /* RES holds the number of bytes read. */ 4816 for (i = 0; i < (Int)ARG3; i++) { 4817 Int nReadThisBuf = vec[i].iov_len; 4818 if (nReadThisBuf > remains) nReadThisBuf = remains; 4819 POST_MEM_WRITE( (Addr)vec[i].iov_base, nReadThisBuf ); 4820 remains -= nReadThisBuf; 4821 if (remains < 0) VG_(core_panic)("preadv: remains < 0"); 4822 } 4823 } 4824 } 4825 4826 PRE(sys_pwritev) 4827 { 4828 Int i; 4829 struct vki_iovec * vec; 4830 *flags |= SfMayBlock; 4831 #if VG_WORDSIZE == 4 4832 /* Note that the offset argument here is in lo+hi order on both 4833 big and little endian platforms... */ 4834 PRINT("sys_pwritev ( %lu, %#lx, %lu, %lld )", 4835 ARG1, ARG2, ARG3, (Long)LOHI64(ARG4,ARG5)); 4836 PRE_REG_READ5(ssize_t, "pwritev", 4837 unsigned long, fd, const struct iovec *, vector, 4838 unsigned long, count, vki_u32, offset_low, 4839 vki_u32, offset_high); 4840 #elif VG_WORDSIZE == 8 4841 PRINT("sys_pwritev ( %lu, %#lx, %lu, %ld )", ARG1, ARG2, ARG3, SARG4); 4842 PRE_REG_READ4(ssize_t, "pwritev", 4843 unsigned long, fd, const struct iovec *, vector, 4844 unsigned long, count, Word, offset); 4845 #else 4846 # error Unexpected word size 4847 #endif 4848 if (!ML_(fd_allowed)(ARG1, "pwritev", tid, False)) { 4849 SET_STATUS_Failure( VKI_EBADF ); 4850 } else { 4851 PRE_MEM_READ( "pwritev(vector)", 4852 ARG2, ARG3 * sizeof(struct vki_iovec) ); 4853 if (ARG2 != 0) { 4854 /* ToDo: don't do any of the following if the vector is invalid */ 4855 vec = (struct vki_iovec *)ARG2; 4856 for (i = 0; i < (Int)ARG3; i++) 4857 PRE_MEM_READ( "pwritev(vector[...])", 4858 (Addr)vec[i].iov_base, vec[i].iov_len ); 4859 } 4860 } 4861 } 4862 4863 /* --------------------------------------------------------------------- 4864 process_vm_{read,write}v wrappers 4865 ------------------------------------------------------------------ */ 4866 4867 PRE(sys_process_vm_readv) 4868 { 4869 PRINT("sys_process_vm_readv ( %ld, %#lx, %lu, %#lx, %lu, %lu )", 4870 SARG1, ARG2, ARG3, ARG4, ARG5, ARG6); 4871 PRE_REG_READ6(ssize_t, "process_vm_readv", 4872 vki_pid_t, pid, 4873 const struct iovec *, lvec, 4874 unsigned long, liovcnt, 4875 const struct iovec *, rvec, 4876 unsigned long, riovcnt, 4877 unsigned long, flags); 4878 PRE_MEM_READ( "process_vm_readv(lvec)", 4879 ARG2, ARG3 * sizeof(struct vki_iovec) ); 4880 PRE_MEM_READ( "process_vm_readv(rvec)", 4881 ARG4, ARG5 * sizeof(struct vki_iovec) ); 4882 if (ARG2 != 0) { 4883 /* TODO: Don't do any of the following if lvec is invalid */ 4884 const struct vki_iovec *vec = (const struct vki_iovec *)ARG2; 4885 UInt i; 4886 for (i = 0; i < ARG3; i++) 4887 PRE_MEM_WRITE( "process_vm_readv(lvec[...])", 4888 (Addr)vec[i].iov_base, vec[i].iov_len ); 4889 } 4890 } 4891 4892 POST(sys_process_vm_readv) 4893 { 4894 const struct vki_iovec *vec = (const struct vki_iovec *)ARG2; 4895 UInt remains = RES; 4896 UInt i; 4897 for (i = 0; i < ARG3; i++) { 4898 UInt nReadThisBuf = vec[i].iov_len <= remains ? 4899 vec[i].iov_len : remains; 4900 POST_MEM_WRITE( (Addr)vec[i].iov_base, nReadThisBuf ); 4901 remains -= nReadThisBuf; 4902 } 4903 } 4904 4905 PRE(sys_process_vm_writev) 4906 { 4907 PRINT("sys_process_vm_writev ( %ld, %#lx, %lu, %#lx, %lu, %lu )", 4908 SARG1, ARG2, ARG3, ARG4, ARG5, ARG6); 4909 PRE_REG_READ6(ssize_t, "process_vm_writev", 4910 vki_pid_t, pid, 4911 const struct iovec *, lvec, 4912 unsigned long, liovcnt, 4913 const struct iovec *, rvec, 4914 unsigned long, riovcnt, 4915 unsigned long, flags); 4916 PRE_MEM_READ( "process_vm_writev(lvec)", 4917 ARG2, ARG3 * sizeof(struct vki_iovec) ); 4918 PRE_MEM_READ( "process_vm_writev(rvec)", 4919 ARG4, ARG5 * sizeof(struct vki_iovec) ); 4920 if (ARG2 != 0) { 4921 /* TODO: Don't do any of the following if lvec is invalid */ 4922 const struct vki_iovec *vec = (const struct vki_iovec *)ARG2; 4923 UInt i; 4924 for (i = 0; i < ARG3; i++) 4925 PRE_MEM_READ( "process_vm_writev(lvec[...])", 4926 (Addr)vec[i].iov_base, vec[i].iov_len ); 4927 } 4928 } 4929 4930 /* --------------------------------------------------------------------- 4931 {send,recv}mmsg wrappers 4932 ------------------------------------------------------------------ */ 4933 4934 PRE(sys_sendmmsg) 4935 { 4936 *flags |= SfMayBlock; 4937 PRINT("sys_sendmmsg ( %ld, %#lx, %ld, %ld )", SARG1, ARG2, SARG3, SARG4); 4938 PRE_REG_READ4(long, "sendmmsg", 4939 int, s, const struct mmsghdr *, mmsg, int, vlen, int, flags); 4940 ML_(linux_PRE_sys_sendmmsg)(tid, ARG1,ARG2,ARG3,ARG4); 4941 } 4942 4943 POST(sys_sendmmsg) 4944 { 4945 ML_(linux_POST_sys_sendmmsg) (tid, RES, ARG1,ARG2,ARG3,ARG4); 4946 } 4947 4948 PRE(sys_recvmmsg) 4949 { 4950 *flags |= SfMayBlock; 4951 PRINT("sys_recvmmsg ( %ld, %#lx, %ld, %ld, %#lx )", 4952 SARG1, ARG2, SARG3, SARG4, ARG5); 4953 PRE_REG_READ5(long, "recvmmsg", 4954 int, s, struct mmsghdr *, mmsg, int, vlen, 4955 int, flags, struct timespec *, timeout); 4956 ML_(linux_PRE_sys_recvmmsg)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); 4957 } 4958 4959 POST(sys_recvmmsg) 4960 { 4961 ML_(linux_POST_sys_recvmmsg) (tid, RES, ARG1,ARG2,ARG3,ARG4,ARG5); 4962 } 4963 4964 /* --------------------------------------------------------------------- 4965 key retention service wrappers 4966 ------------------------------------------------------------------ */ 4967 4968 PRE(sys_request_key) 4969 { 4970 PRINT("sys_request_key ( %#lx(%s), %#lx(%s), %#lx(%s), %ld )", 4971 ARG1, (HChar*)ARG1, ARG2, (HChar*)ARG2, ARG3, (HChar*)ARG3, SARG4); 4972 PRE_REG_READ4(long, "request_key", 4973 const char *, type, const char *, description, 4974 const char *, callout_info, vki_key_serial_t, keyring); 4975 PRE_MEM_RASCIIZ( "request_key(type)", ARG1); 4976 PRE_MEM_RASCIIZ( "request_key(description)", ARG2); 4977 if (ARG3 != (UWord)NULL) 4978 PRE_MEM_RASCIIZ( "request_key(callout_info)", ARG3); 4979 } 4980 4981 PRE(sys_add_key) 4982 { 4983 PRINT("sys_add_key ( %#lx(%s), %#lx(%s), %#lx, %lu, %ld )", 4984 ARG1, (HChar*)ARG1, ARG2, (HChar*)ARG2, ARG3, ARG4, SARG5); 4985 PRE_REG_READ5(long, "add_key", 4986 const char *, type, const char *, description, 4987 const void *, payload, vki_size_t, plen, 4988 vki_key_serial_t, keyring); 4989 PRE_MEM_RASCIIZ( "add_key(type)", ARG1); 4990 PRE_MEM_RASCIIZ( "add_key(description)", ARG2); 4991 if (ARG3 != (UWord)NULL) 4992 PRE_MEM_READ( "request_key(payload)", ARG3, ARG4); 4993 } 4994 4995 PRE(sys_keyctl) 4996 { 4997 switch (ARG1 /* option */) { 4998 case VKI_KEYCTL_GET_KEYRING_ID: 4999 PRINT("sys_keyctl ( KEYCTL_GET_KEYRING_ID, %ld, %ld )", SARG2, SARG3); 5000 PRE_REG_READ3(long, "keyctl(KEYCTL_GET_KEYRING_ID)", 5001 int, option, vki_key_serial_t, id, int, create); 5002 break; 5003 case VKI_KEYCTL_JOIN_SESSION_KEYRING: 5004 PRINT("sys_keyctl ( KEYCTL_JOIN_SESSION_KEYRING, %#lx(%s) )", ARG2,(char*)ARG2); 5005 PRE_REG_READ2(long, "keyctl(KEYCTL_JOIN_SESSION_KEYRING)", 5006 int, option, const char *, name); 5007 if (ARG2 != (UWord)NULL) 5008 PRE_MEM_RASCIIZ("keyctl(KEYCTL_JOIN_SESSION_KEYRING, name)", ARG2); 5009 break; 5010 case VKI_KEYCTL_UPDATE: 5011 PRINT("sys_keyctl ( KEYCTL_UPDATE, %ld, %#lx, %lu )", SARG2, ARG3, ARG4); 5012 PRE_REG_READ4(long, "keyctl(KEYCTL_UPDATE)", 5013 int, option, vki_key_serial_t, key, 5014 const void *, payload, vki_size_t, plen); 5015 if (ARG3 != (UWord)NULL) 5016 PRE_MEM_READ("keyctl(KEYCTL_UPDATE, payload)", ARG3, ARG4); 5017 break; 5018 case VKI_KEYCTL_REVOKE: 5019 PRINT("sys_keyctl ( KEYCTL_REVOKE, %ld )", SARG2); 5020 PRE_REG_READ2(long, "keyctl(KEYCTL_REVOKE)", 5021 int, option, vki_key_serial_t, id); 5022 break; 5023 case VKI_KEYCTL_CHOWN: 5024 PRINT("sys_keyctl ( KEYCTL_CHOWN, %ld, %lu, %lu )", SARG2, ARG3, ARG4); 5025 PRE_REG_READ4(long, "keyctl(KEYCTL_CHOWN)", 5026 int, option, vki_key_serial_t, id, 5027 vki_uid_t, uid, vki_gid_t, gid); 5028 break; 5029 case VKI_KEYCTL_SETPERM: 5030 PRINT("sys_keyctl ( KEYCTL_SETPERM, %ld, %lu )", SARG2, ARG3); 5031 PRE_REG_READ3(long, "keyctl(KEYCTL_SETPERM)", 5032 int, option, vki_key_serial_t, id, vki_key_perm_t, perm); 5033 break; 5034 case VKI_KEYCTL_DESCRIBE: 5035 PRINT("sys_keyctl ( KEYCTL_DESCRIBE, %ld, %#lx, %lu )", SARG2, ARG3, ARG4); 5036 PRE_REG_READ4(long, "keyctl(KEYCTL_DESCRIBE)", 5037 int, option, vki_key_serial_t, id, 5038 char *, buffer, vki_size_t, buflen); 5039 if (ARG3 != (UWord)NULL) 5040 PRE_MEM_WRITE("keyctl(KEYCTL_DESCRIBE, buffer)", ARG3, ARG4); 5041 break; 5042 case VKI_KEYCTL_CLEAR: 5043 PRINT("sys_keyctl ( KEYCTL_CLEAR, %ld )", SARG2); 5044 PRE_REG_READ2(long, "keyctl(KEYCTL_CLEAR)", 5045 int, option, vki_key_serial_t, keyring); 5046 break; 5047 case VKI_KEYCTL_LINK: 5048 PRINT("sys_keyctl ( KEYCTL_LINK, %ld, %ld )", SARG2, SARG3); 5049 PRE_REG_READ3(long, "keyctl(KEYCTL_LINK)", int, option, 5050 vki_key_serial_t, keyring, vki_key_serial_t, key); 5051 break; 5052 case VKI_KEYCTL_UNLINK: 5053 PRINT("sys_keyctl ( KEYCTL_UNLINK, %ld, %ld )", SARG2, SARG3); 5054 PRE_REG_READ3(long, "keyctl(KEYCTL_UNLINK)", int, option, 5055 vki_key_serial_t, keyring, vki_key_serial_t, key); 5056 break; 5057 case VKI_KEYCTL_SEARCH: 5058 PRINT("sys_keyctl ( KEYCTL_SEARCH, %ld, %#lx(%s), %#lx(%s), %ld )", 5059 SARG2, ARG3, (HChar*)ARG3, ARG4, (HChar*)ARG4, SARG5); 5060 PRE_REG_READ5(long, "keyctl(KEYCTL_SEARCH)", 5061 int, option, vki_key_serial_t, keyring, 5062 const char *, type, const char *, description, 5063 vki_key_serial_t, destring); 5064 PRE_MEM_RASCIIZ("sys_keyctl(KEYCTL_SEARCH, type)", ARG3); 5065 PRE_MEM_RASCIIZ("sys_keyctl(KEYCTL_SEARCH, description)", ARG4); 5066 break; 5067 case VKI_KEYCTL_READ: 5068 PRINT("sys_keyctl ( KEYCTL_READ, %ld, %#lx, %lu )", SARG2, ARG3, ARG4); 5069 PRE_REG_READ4(long, "keyctl(KEYCTL_READ)", 5070 int, option, vki_key_serial_t, keyring, 5071 char *, buffer, vki_size_t, buflen); 5072 if (ARG3 != (UWord)NULL) 5073 PRE_MEM_WRITE("keyctl(KEYCTL_READ, buffer)", ARG3, ARG4); 5074 break; 5075 case VKI_KEYCTL_INSTANTIATE: 5076 PRINT("sys_keyctl ( KEYCTL_INSTANTIATE, %ld, %#lx, %lu, %ld )", 5077 SARG2, ARG3, ARG4, SARG5); 5078 PRE_REG_READ5(long, "keyctl(KEYCTL_INSTANTIATE)", 5079 int, option, vki_key_serial_t, key, 5080 char *, payload, vki_size_t, plen, 5081 vki_key_serial_t, keyring); 5082 if (ARG3 != (UWord)NULL) 5083 PRE_MEM_READ("keyctl(KEYCTL_INSTANTIATE, payload)", ARG3, ARG4); 5084 break; 5085 case VKI_KEYCTL_NEGATE: 5086 PRINT("sys_keyctl ( KEYCTL_NEGATE, %ld, %lu, %ld )", SARG2, ARG3, SARG4); 5087 PRE_REG_READ4(long, "keyctl(KEYCTL_NEGATE)", 5088 int, option, vki_key_serial_t, key, 5089 unsigned, timeout, vki_key_serial_t, keyring); 5090 break; 5091 case VKI_KEYCTL_SET_REQKEY_KEYRING: 5092 PRINT("sys_keyctl ( KEYCTL_SET_REQKEY_KEYRING, %ld )", SARG2); 5093 PRE_REG_READ2(long, "keyctl(KEYCTL_SET_REQKEY_KEYRING)", 5094 int, option, int, reqkey_defl); 5095 break; 5096 case VKI_KEYCTL_SET_TIMEOUT: 5097 PRINT("sys_keyctl ( KEYCTL_SET_TIMEOUT, %ld, %lu )", SARG2, ARG3); 5098 PRE_REG_READ3(long, "keyctl(KEYCTL_SET_TIMEOUT)", 5099 int, option, vki_key_serial_t, key, unsigned, timeout); 5100 break; 5101 case VKI_KEYCTL_ASSUME_AUTHORITY: 5102 PRINT("sys_keyctl ( KEYCTL_ASSUME_AUTHORITY, %ld )", SARG2); 5103 PRE_REG_READ2(long, "keyctl(KEYCTL_ASSUME_AUTHORITY)", 5104 int, option, vki_key_serial_t, key); 5105 break; 5106 default: 5107 PRINT("sys_keyctl ( %ld ) ", SARG1); 5108 PRE_REG_READ1(long, "keyctl", int, option); 5109 break; 5110 } 5111 } 5112 5113 POST(sys_keyctl) 5114 { 5115 vg_assert(SUCCESS); 5116 switch (ARG1 /* option */) { 5117 case VKI_KEYCTL_DESCRIBE: 5118 case VKI_KEYCTL_READ: 5119 if (RES > ARG4) 5120 POST_MEM_WRITE(ARG3, ARG4); 5121 else 5122 POST_MEM_WRITE(ARG3, RES); 5123 break; 5124 default: 5125 break; 5126 } 5127 } 5128 5129 /* --------------------------------------------------------------------- 5130 ioprio_ wrappers 5131 ------------------------------------------------------------------ */ 5132 5133 PRE(sys_ioprio_set) 5134 { 5135 PRINT("sys_ioprio_set ( %ld, %ld, %ld )", SARG1, SARG2, SARG3); 5136 PRE_REG_READ3(int, "ioprio_set", int, which, int, who, int, ioprio); 5137 } 5138 5139 PRE(sys_ioprio_get) 5140 { 5141 PRINT("sys_ioprio_get ( %ld, %ld )", SARG1, SARG2); 5142 PRE_REG_READ2(int, "ioprio_get", int, which, int, who); 5143 } 5144 5145 /* --------------------------------------------------------------------- 5146 _module wrappers 5147 ------------------------------------------------------------------ */ 5148 5149 PRE(sys_init_module) 5150 { 5151 *flags |= SfMayBlock; 5152 PRINT("sys_init_module ( %#lx, %lu, %#lx(\"%s\") )", 5153 ARG1, ARG2, ARG3, (HChar*)ARG3); 5154 PRE_REG_READ3(long, "init_module", 5155 void *, umod, unsigned long, len, const char *, uargs); 5156 PRE_MEM_READ( "init_module(umod)", ARG1, ARG2 ); 5157 PRE_MEM_RASCIIZ( "init_module(uargs)", ARG3 ); 5158 } 5159 5160 PRE(sys_delete_module) 5161 { 5162 *flags |= SfMayBlock; 5163 PRINT("sys_delete_module ( %#lx(\"%s\"), 0x%lx )", ARG1, (HChar*)ARG1, ARG2); 5164 PRE_REG_READ2(long, "delete_module", 5165 const char *, name_user, unsigned int, flags); 5166 PRE_MEM_RASCIIZ("delete_module(name_user)", ARG1); 5167 } 5168 5169 /* --------------------------------------------------------------------- 5170 splice wrappers 5171 ------------------------------------------------------------------ */ 5172 5173 PRE(sys_splice) 5174 { 5175 *flags |= SfMayBlock; 5176 PRINT("sys_splice ( %ld, %#lx, %ld, %#lx, %lu, %#lx )", 5177 SARG1, ARG2, SARG3, ARG4, ARG5, ARG6); 5178 PRE_REG_READ6(vki_ssize_t, "splice", 5179 int, fd_in, vki_loff_t *, off_in, 5180 int, fd_out, vki_loff_t *, off_out, 5181 vki_size_t, len, unsigned int, flags); 5182 if (!ML_(fd_allowed)(ARG1, "splice(fd_in)", tid, False) || 5183 !ML_(fd_allowed)(ARG3, "splice(fd_out)", tid, False)) { 5184 SET_STATUS_Failure( VKI_EBADF ); 5185 } else { 5186 if (ARG2 != 0) 5187 PRE_MEM_READ( "splice(off_in)", ARG2, sizeof(vki_loff_t)); 5188 if (ARG4 != 0) 5189 PRE_MEM_READ( "splice(off_out)", ARG4, sizeof(vki_loff_t)); 5190 } 5191 } 5192 5193 PRE(sys_tee) 5194 { 5195 *flags |= SfMayBlock; 5196 PRINT("sys_tree ( %ld, %ld, %lu, %#lx )", SARG1, SARG2, ARG3, ARG4); 5197 PRE_REG_READ4(vki_ssize_t, "tee", 5198 int, fd_in, int, fd_out, 5199 vki_size_t, len, unsigned int, flags); 5200 if (!ML_(fd_allowed)(ARG1, "tee(fd_in)", tid, False) || 5201 !ML_(fd_allowed)(ARG2, "tee(fd_out)", tid, False)) { 5202 SET_STATUS_Failure( VKI_EBADF ); 5203 } 5204 } 5205 5206 PRE(sys_vmsplice) 5207 { 5208 Int fdfl; 5209 *flags |= SfMayBlock; 5210 PRINT("sys_vmsplice ( %ld, %#lx, %lu, %lu )", SARG1, ARG2, ARG3, ARG4); 5211 PRE_REG_READ4(vki_ssize_t, "splice", 5212 int, fd, struct vki_iovec *, iov, 5213 unsigned long, nr_segs, unsigned int, flags); 5214 if (!ML_(fd_allowed)(ARG1, "vmsplice(fd)", tid, False)) { 5215 SET_STATUS_Failure( VKI_EBADF ); 5216 } else if ((fdfl = VG_(fcntl)(ARG1, VKI_F_GETFL, 0)) < 0) { 5217 SET_STATUS_Failure( VKI_EBADF ); 5218 } else { 5219 const struct vki_iovec *iov; 5220 PRE_MEM_READ( "vmsplice(iov)", ARG2, sizeof(struct vki_iovec) * ARG3 ); 5221 for (iov = (struct vki_iovec *)ARG2; 5222 iov < (struct vki_iovec *)ARG2 + ARG3; iov++) 5223 { 5224 if ((fdfl & VKI_O_ACCMODE) == VKI_O_RDONLY) 5225 PRE_MEM_WRITE( "vmsplice(iov[...])", (Addr)iov->iov_base, iov->iov_len ); 5226 else 5227 PRE_MEM_READ( "vmsplice(iov[...])", (Addr)iov->iov_base, iov->iov_len ); 5228 } 5229 } 5230 } 5231 5232 POST(sys_vmsplice) 5233 { 5234 vg_assert(SUCCESS); 5235 if (RES > 0) { 5236 Int fdfl = VG_(fcntl)(ARG1, VKI_F_GETFL, 0); 5237 vg_assert(fdfl >= 0); 5238 if ((fdfl & VKI_O_ACCMODE) == VKI_O_RDONLY) 5239 { 5240 const struct vki_iovec *iov; 5241 for (iov = (struct vki_iovec *)ARG2; 5242 iov < (struct vki_iovec *)ARG2 + ARG3; iov++) 5243 { 5244 POST_MEM_WRITE( (Addr)iov->iov_base, iov->iov_len ); 5245 } 5246 } 5247 } 5248 } 5249 5250 /* --------------------------------------------------------------------- 5251 oprofile-related wrappers 5252 ------------------------------------------------------------------ */ 5253 5254 #if defined(VGP_x86_linux) 5255 PRE(sys_lookup_dcookie) 5256 { 5257 PRINT("sys_lookup_dcookie (0x%llx, %#lx, %lu)", 5258 MERGE64(ARG1,ARG2), ARG3, ARG4); 5259 PRE_REG_READ4(long, "lookup_dcookie", 5260 vki_u32, MERGE64_FIRST(cookie), vki_u32, MERGE64_SECOND(cookie), 5261 char *, buf, vki_size_t, len); 5262 PRE_MEM_WRITE( "lookup_dcookie(buf)", ARG3, ARG4); 5263 } 5264 POST(sys_lookup_dcookie) 5265 { 5266 vg_assert(SUCCESS); 5267 if (ARG3 != (Addr)NULL) 5268 POST_MEM_WRITE( ARG3, RES); 5269 } 5270 #endif 5271 5272 #if defined(VGP_amd64_linux) || defined(VGP_s390x_linux) \ 5273 || defined(VGP_tilegx_linux) 5274 PRE(sys_lookup_dcookie) 5275 { 5276 *flags |= SfMayBlock; 5277 PRINT("sys_lookup_dcookie ( %lu, %#lx, %lu )", ARG1, ARG2, ARG3); 5278 PRE_REG_READ3(int, "lookup_dcookie", 5279 unsigned long long, cookie, char *, buf, vki_size_t, len); 5280 5281 PRE_MEM_WRITE( "sys_lookup_dcookie(buf)", ARG2, ARG3 ); 5282 } 5283 5284 POST(sys_lookup_dcookie) 5285 { 5286 vg_assert(SUCCESS); 5287 if (ARG2 != (Addr)NULL) 5288 POST_MEM_WRITE( ARG2, RES ); 5289 } 5290 #endif 5291 5292 /* --------------------------------------------------------------------- 5293 fcntl wrappers 5294 ------------------------------------------------------------------ */ 5295 5296 PRE(sys_fcntl) 5297 { 5298 switch (ARG2) { 5299 // These ones ignore ARG3. 5300 case VKI_F_GETFD: 5301 case VKI_F_GETFL: 5302 case VKI_F_GETOWN: 5303 case VKI_F_GETSIG: 5304 case VKI_F_GETLEASE: 5305 case VKI_F_GETPIPE_SZ: 5306 PRINT("sys_fcntl ( %lu, %lu )", ARG1, ARG2); 5307 PRE_REG_READ2(long, "fcntl", unsigned int, fd, unsigned int, cmd); 5308 break; 5309 5310 // These ones use ARG3 as "arg". 5311 case VKI_F_DUPFD: 5312 case VKI_F_DUPFD_CLOEXEC: 5313 case VKI_F_SETFD: 5314 case VKI_F_SETFL: 5315 case VKI_F_SETLEASE: 5316 case VKI_F_NOTIFY: 5317 case VKI_F_SETOWN: 5318 case VKI_F_SETSIG: 5319 case VKI_F_SETPIPE_SZ: 5320 PRINT("sys_fcntl[ARG3=='arg'] ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 5321 PRE_REG_READ3(long, "fcntl", 5322 unsigned int, fd, unsigned int, cmd, unsigned long, arg); 5323 break; 5324 5325 // These ones use ARG3 as "lock". 5326 case VKI_F_GETLK: 5327 case VKI_F_SETLK: 5328 case VKI_F_SETLKW: 5329 # if defined(VGP_x86_linux) || defined(VGP_mips64_linux) 5330 case VKI_F_GETLK64: 5331 case VKI_F_SETLK64: 5332 case VKI_F_SETLKW64: 5333 # endif 5334 case VKI_F_OFD_GETLK: 5335 case VKI_F_OFD_SETLK: 5336 case VKI_F_OFD_SETLKW: 5337 PRINT("sys_fcntl[ARG3=='lock'] ( %lu, %lu, %#lx )", ARG1, ARG2, ARG3); 5338 PRE_REG_READ3(long, "fcntl", 5339 unsigned int, fd, unsigned int, cmd, 5340 struct flock64 *, lock); 5341 break; 5342 5343 case VKI_F_SETOWN_EX: 5344 PRINT("sys_fcntl[F_SETOWN_EX] ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 5345 PRE_REG_READ3(long, "fcntl", 5346 unsigned int, fd, unsigned int, cmd, 5347 struct vki_f_owner_ex *, arg); 5348 PRE_MEM_READ("fcntl(F_SETOWN_EX)", ARG3, sizeof(struct vki_f_owner_ex)); 5349 break; 5350 5351 case VKI_F_GETOWN_EX: 5352 PRINT("sys_fcntl[F_GETOWN_EX] ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 5353 PRE_REG_READ3(long, "fcntl", 5354 unsigned int, fd, unsigned int, cmd, 5355 struct vki_f_owner_ex *, arg); 5356 PRE_MEM_WRITE("fcntl(F_GETOWN_EX)", ARG3, sizeof(struct vki_f_owner_ex)); 5357 break; 5358 5359 default: 5360 PRINT("sys_fcntl[UNKNOWN] ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 5361 I_die_here; 5362 break; 5363 } 5364 5365 # if defined(VGP_x86_linux) 5366 if (ARG2 == VKI_F_SETLKW || ARG2 == VKI_F_SETLKW64) 5367 # else 5368 if (ARG2 == VKI_F_SETLKW) 5369 # endif 5370 *flags |= SfMayBlock; 5371 } 5372 5373 POST(sys_fcntl) 5374 { 5375 vg_assert(SUCCESS); 5376 if (ARG2 == VKI_F_DUPFD) { 5377 if (!ML_(fd_allowed)(RES, "fcntl(DUPFD)", tid, True)) { 5378 VG_(close)(RES); 5379 SET_STATUS_Failure( VKI_EMFILE ); 5380 } else { 5381 if (VG_(clo_track_fds)) 5382 ML_(record_fd_open_named)(tid, RES); 5383 } 5384 } 5385 else if (ARG2 == VKI_F_DUPFD_CLOEXEC) { 5386 if (!ML_(fd_allowed)(RES, "fcntl(DUPFD_CLOEXEC)", tid, True)) { 5387 VG_(close)(RES); 5388 SET_STATUS_Failure( VKI_EMFILE ); 5389 } else { 5390 if (VG_(clo_track_fds)) 5391 ML_(record_fd_open_named)(tid, RES); 5392 } 5393 } else if (ARG2 == VKI_F_GETOWN_EX) { 5394 POST_MEM_WRITE(ARG3, sizeof(struct vki_f_owner_ex)); 5395 } 5396 } 5397 5398 // XXX: wrapper only suitable for 32-bit systems 5399 PRE(sys_fcntl64) 5400 { 5401 switch (ARG2) { 5402 // These ones ignore ARG3. 5403 case VKI_F_GETFD: 5404 case VKI_F_GETFL: 5405 case VKI_F_GETOWN: 5406 case VKI_F_SETOWN: 5407 case VKI_F_GETSIG: 5408 case VKI_F_SETSIG: 5409 case VKI_F_GETLEASE: 5410 PRINT("sys_fcntl64 ( %lu, %lu )", ARG1, ARG2); 5411 PRE_REG_READ2(long, "fcntl64", unsigned int, fd, unsigned int, cmd); 5412 break; 5413 5414 // These ones use ARG3 as "arg". 5415 case VKI_F_DUPFD: 5416 case VKI_F_DUPFD_CLOEXEC: 5417 case VKI_F_SETFD: 5418 case VKI_F_SETFL: 5419 case VKI_F_SETLEASE: 5420 case VKI_F_NOTIFY: 5421 PRINT("sys_fcntl64[ARG3=='arg'] ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 5422 PRE_REG_READ3(long, "fcntl64", 5423 unsigned int, fd, unsigned int, cmd, unsigned long, arg); 5424 break; 5425 5426 // These ones use ARG3 as "lock". 5427 case VKI_F_GETLK: 5428 case VKI_F_SETLK: 5429 case VKI_F_SETLKW: 5430 # if defined(VGP_x86_linux) 5431 case VKI_F_GETLK64: 5432 case VKI_F_SETLK64: 5433 case VKI_F_SETLKW64: 5434 # endif 5435 case VKI_F_OFD_GETLK: 5436 case VKI_F_OFD_SETLK: 5437 case VKI_F_OFD_SETLKW: 5438 PRINT("sys_fcntl64[ARG3=='lock'] ( %lu, %lu, %#lx )", ARG1, ARG2, ARG3); 5439 PRE_REG_READ3(long, "fcntl64", 5440 unsigned int, fd, unsigned int, cmd, 5441 struct flock64 *, lock); 5442 break; 5443 5444 case VKI_F_SETOWN_EX: 5445 PRINT("sys_fcntl[F_SETOWN_EX] ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 5446 PRE_REG_READ3(long, "fcntl", 5447 unsigned int, fd, unsigned int, cmd, 5448 struct vki_f_owner_ex *, arg); 5449 PRE_MEM_READ("fcntl(F_SETOWN_EX)", ARG3, sizeof(struct vki_f_owner_ex)); 5450 break; 5451 5452 case VKI_F_GETOWN_EX: 5453 PRINT("sys_fcntl[F_GETOWN_EX] ( %lu, %lu, %lu )", ARG1, ARG2, ARG3); 5454 PRE_REG_READ3(long, "fcntl", 5455 unsigned int, fd, unsigned int, cmd, 5456 struct vki_f_owner_ex *, arg); 5457 PRE_MEM_WRITE("fcntl(F_GETOWN_EX)", ARG3, sizeof(struct vki_f_owner_ex)); 5458 break; 5459 } 5460 5461 # if defined(VGP_x86_linux) 5462 if (ARG2 == VKI_F_SETLKW || ARG2 == VKI_F_SETLKW64) 5463 # else 5464 if (ARG2 == VKI_F_SETLKW) 5465 # endif 5466 *flags |= SfMayBlock; 5467 } 5468 5469 POST(sys_fcntl64) 5470 { 5471 vg_assert(SUCCESS); 5472 if (ARG2 == VKI_F_DUPFD) { 5473 if (!ML_(fd_allowed)(RES, "fcntl64(DUPFD)", tid, True)) { 5474 VG_(close)(RES); 5475 SET_STATUS_Failure( VKI_EMFILE ); 5476 } else { 5477 if (VG_(clo_track_fds)) 5478 ML_(record_fd_open_named)(tid, RES); 5479 } 5480 } 5481 else if (ARG2 == VKI_F_DUPFD_CLOEXEC) { 5482 if (!ML_(fd_allowed)(RES, "fcntl64(DUPFD_CLOEXEC)", tid, True)) { 5483 VG_(close)(RES); 5484 SET_STATUS_Failure( VKI_EMFILE ); 5485 } else { 5486 if (VG_(clo_track_fds)) 5487 ML_(record_fd_open_named)(tid, RES); 5488 } 5489 } else if (ARG2 == VKI_F_GETOWN_EX) { 5490 POST_MEM_WRITE(ARG3, sizeof(struct vki_f_owner_ex)); 5491 } 5492 } 5493 5494 /* --------------------------------------------------------------------- 5495 ioctl wrappers 5496 ------------------------------------------------------------------ */ 5497 5498 PRE(sys_ioctl) 5499 { 5500 *flags |= SfMayBlock; 5501 5502 ARG2 = (UInt)ARG2; 5503 5504 // We first handle the ones that don't use ARG3 (even as a 5505 // scalar/non-pointer argument). 5506 switch (ARG2 /* request */) { 5507 5508 /* asm-generic/ioctls.h */ 5509 case VKI_FIOCLEX: 5510 case VKI_FIONCLEX: 5511 case VKI_TIOCNOTTY: 5512 5513 /* linux/soundcard interface (ALSA) */ 5514 case VKI_SNDRV_PCM_IOCTL_HW_FREE: 5515 case VKI_SNDRV_PCM_IOCTL_HWSYNC: 5516 case VKI_SNDRV_PCM_IOCTL_PREPARE: 5517 case VKI_SNDRV_PCM_IOCTL_RESET: 5518 case VKI_SNDRV_PCM_IOCTL_START: 5519 case VKI_SNDRV_PCM_IOCTL_DROP: 5520 case VKI_SNDRV_PCM_IOCTL_DRAIN: 5521 case VKI_SNDRV_PCM_IOCTL_RESUME: 5522 case VKI_SNDRV_PCM_IOCTL_XRUN: 5523 case VKI_SNDRV_PCM_IOCTL_UNLINK: 5524 case VKI_SNDRV_TIMER_IOCTL_START: 5525 case VKI_SNDRV_TIMER_IOCTL_STOP: 5526 case VKI_SNDRV_TIMER_IOCTL_CONTINUE: 5527 case VKI_SNDRV_TIMER_IOCTL_PAUSE: 5528 5529 /* SCSI no operand */ 5530 case VKI_SCSI_IOCTL_DOORLOCK: 5531 case VKI_SCSI_IOCTL_DOORUNLOCK: 5532 5533 /* CDROM stuff. */ 5534 case VKI_CDROM_DISC_STATUS: 5535 5536 /* KVM ioctls that dont check for a numeric value as parameter */ 5537 case VKI_KVM_S390_ENABLE_SIE: 5538 case VKI_KVM_CREATE_IRQCHIP: 5539 case VKI_KVM_S390_INITIAL_RESET: 5540 case VKI_KVM_KVMCLOCK_CTRL: 5541 5542 /* vhost without parameter */ 5543 case VKI_VHOST_SET_OWNER: 5544 case VKI_VHOST_RESET_OWNER: 5545 5546 /* User input device creation */ 5547 case VKI_UI_DEV_CREATE: 5548 case VKI_UI_DEV_DESTROY: 5549 5550 /* InfiniBand */ 5551 case VKI_IB_USER_MAD_ENABLE_PKEY: 5552 5553 /* Lustre */ 5554 case VKI_LL_IOC_GROUP_LOCK: 5555 case VKI_LL_IOC_GROUP_UNLOCK: 5556 5557 /* V4L2 */ 5558 case VKI_V4L2_LOG_STATUS: 5559 5560 /* DVB */ 5561 case VKI_DMX_STOP: 5562 PRINT("sys_ioctl ( %lu, 0x%lx )", ARG1, ARG2); 5563 PRE_REG_READ2(long, "ioctl", 5564 unsigned int, fd, unsigned int, request); 5565 return; 5566 5567 default: 5568 PRINT("sys_ioctl ( %lu, 0x%lx, 0x%lx )", ARG1, ARG2, ARG3); 5569 PRE_REG_READ3(long, "ioctl", 5570 unsigned int, fd, unsigned int, request, unsigned long, arg); 5571 break; 5572 } 5573 5574 // We now handle those that do look at ARG3 (and unknown ones fall into 5575 // this category). Nb: some of these may well belong in the 5576 // doesn't-use-ARG3 switch above. 5577 switch (ARG2 /* request */) { 5578 5579 case VKI_ION_IOC_ALLOC: { 5580 struct vki_ion_allocation_data* data 5581 = (struct vki_ion_allocation_data*)ARG3; 5582 PRE_FIELD_READ ("ioctl(ION_IOC_ALLOC).len", data->len); 5583 PRE_FIELD_READ ("ioctl(ION_IOC_ALLOC).align", data->align); 5584 PRE_FIELD_READ ("ioctl(ION_IOC_ALLOC).heap_id_mask", data->heap_id_mask); 5585 PRE_FIELD_READ ("ioctl(ION_IOC_ALLOC).flags", data->flags); 5586 PRE_FIELD_WRITE("ioctl(ION_IOC_ALLOC).handle", data->handle); 5587 break; 5588 } 5589 case VKI_ION_IOC_MAP: { 5590 struct vki_ion_fd_data* data = (struct vki_ion_fd_data*)ARG3; 5591 PRE_FIELD_READ ("ioctl(ION_IOC_MAP).handle", data->handle); 5592 PRE_FIELD_WRITE("ioctl(ION_IOC_MAP).fd", data->fd); 5593 break; 5594 } 5595 case VKI_ION_IOC_IMPORT: { 5596 struct vki_ion_fd_data* data = (struct vki_ion_fd_data*)ARG3; 5597 PRE_FIELD_READ ("ioctl(ION_IOC_IMPORT).fd", data->fd); 5598 PRE_FIELD_WRITE("ioctl(ION_IOC_IMPORT).handle", data->handle); 5599 break; 5600 } 5601 5602 case VKI_SYNC_IOC_MERGE: { 5603 struct vki_sync_merge_data* data = (struct vki_sync_merge_data*)ARG3; 5604 PRE_FIELD_READ ("ioctl(SYNC_IOC_MERGE).fd2", data->fd2); 5605 PRE_MEM_RASCIIZ("ioctl(SYNC_IOC_MERGE).name", (Addr)(&data->name[0])); 5606 PRE_FIELD_WRITE("ioctl(SYNC_IOC_MERGE).fence", data->fence); 5607 break; 5608 } 5609 5610 case VKI_TCSETS: 5611 case VKI_TCSETSW: 5612 case VKI_TCSETSF: 5613 PRE_MEM_READ( "ioctl(TCSET{S,SW,SF})", ARG3, sizeof(struct vki_termios) ); 5614 break; 5615 case VKI_TCGETS: 5616 PRE_MEM_WRITE( "ioctl(TCGETS)", ARG3, sizeof(struct vki_termios) ); 5617 break; 5618 case VKI_TCSETA: 5619 case VKI_TCSETAW: 5620 case VKI_TCSETAF: 5621 PRE_MEM_READ( "ioctl(TCSET{A,AW,AF})", ARG3, sizeof(struct vki_termio) ); 5622 break; 5623 case VKI_TCGETA: 5624 PRE_MEM_WRITE( "ioctl(TCGETA)", ARG3, sizeof(struct vki_termio) ); 5625 break; 5626 case VKI_TCSBRK: 5627 case VKI_TCXONC: 5628 case VKI_TCSBRKP: 5629 case VKI_TCFLSH: 5630 case VKI_TIOCSIG: 5631 /* These just take an int by value */ 5632 break; 5633 case VKI_TIOCGWINSZ: 5634 PRE_MEM_WRITE( "ioctl(TIOCGWINSZ)", ARG3, sizeof(struct vki_winsize) ); 5635 break; 5636 case VKI_TIOCSWINSZ: 5637 PRE_MEM_READ( "ioctl(TIOCSWINSZ)", ARG3, sizeof(struct vki_winsize) ); 5638 break; 5639 case VKI_TIOCMBIS: 5640 PRE_MEM_READ( "ioctl(TIOCMBIS)", ARG3, sizeof(unsigned int) ); 5641 break; 5642 case VKI_TIOCMBIC: 5643 PRE_MEM_READ( "ioctl(TIOCMBIC)", ARG3, sizeof(unsigned int) ); 5644 break; 5645 case VKI_TIOCMSET: 5646 PRE_MEM_READ( "ioctl(TIOCMSET)", ARG3, sizeof(unsigned int) ); 5647 break; 5648 case VKI_TIOCMGET: 5649 PRE_MEM_WRITE( "ioctl(TIOCMGET)", ARG3, sizeof(unsigned int) ); 5650 break; 5651 case VKI_TIOCLINUX: 5652 PRE_MEM_READ( "ioctl(TIOCLINUX)", ARG3, sizeof(char *) ); 5653 if (*(char *)ARG3 == 11) { 5654 PRE_MEM_READ( "ioctl(TIOCLINUX, 11)", ARG3, 2 * sizeof(char *) ); 5655 } 5656 break; 5657 case VKI_TIOCGPGRP: 5658 /* Get process group ID for foreground processing group. */ 5659 PRE_MEM_WRITE( "ioctl(TIOCGPGRP)", ARG3, sizeof(vki_pid_t) ); 5660 break; 5661 case VKI_TIOCSPGRP: 5662 /* Set a process group ID? */ 5663 PRE_MEM_WRITE( "ioctl(TIOCGPGRP)", ARG3, sizeof(vki_pid_t) ); 5664 break; 5665 case VKI_TIOCGPTN: /* Get Pty Number (of pty-mux device) */ 5666 PRE_MEM_WRITE( "ioctl(TIOCGPTN)", ARG3, sizeof(int) ); 5667 break; 5668 case VKI_TIOCSCTTY: 5669 /* Just takes an int value. */ 5670 break; 5671 case VKI_TIOCSPTLCK: /* Lock/unlock Pty */ 5672 PRE_MEM_READ( "ioctl(TIOCSPTLCK)", ARG3, sizeof(int) ); 5673 break; 5674 case VKI_FIONBIO: 5675 PRE_MEM_READ( "ioctl(FIONBIO)", ARG3, sizeof(int) ); 5676 break; 5677 case VKI_FIOASYNC: 5678 PRE_MEM_READ( "ioctl(FIOASYNC)", ARG3, sizeof(int) ); 5679 break; 5680 case VKI_FIONREAD: /* identical to SIOCINQ */ 5681 PRE_MEM_WRITE( "ioctl(FIONREAD)", ARG3, sizeof(int) ); 5682 break; 5683 case VKI_FIOQSIZE: 5684 PRE_MEM_WRITE( "ioctl(FIOQSIZE)", ARG3, sizeof(vki_loff_t) ); 5685 break; 5686 5687 case VKI_TIOCSERGETLSR: 5688 PRE_MEM_WRITE( "ioctl(TIOCSERGETLSR)", ARG3, sizeof(int) ); 5689 break; 5690 case VKI_TIOCGICOUNT: 5691 PRE_MEM_WRITE( "ioctl(TIOCGICOUNT)", ARG3, 5692 sizeof(struct vki_serial_icounter_struct) ); 5693 break; 5694 5695 case VKI_SG_SET_COMMAND_Q: 5696 PRE_MEM_READ( "ioctl(SG_SET_COMMAND_Q)", ARG3, sizeof(int) ); 5697 break; 5698 case VKI_SG_IO: 5699 PRE_MEM_READ( "ioctl(SG_IO)", ARG3, sizeof(vki_sg_io_hdr_t) ); 5700 { 5701 vki_sg_io_hdr_t *sgio = (vki_sg_io_hdr_t*)ARG3; 5702 PRE_MEM_READ( "ioctl(SG_IO)", (Addr)sgio->cmdp, sgio->cmd_len ); 5703 if ( sgio->dxfer_direction == VKI_SG_DXFER_TO_DEV || 5704 sgio->dxfer_direction == VKI_SG_DXFER_TO_FROM_DEV ) { 5705 PRE_MEM_READ( "ioctl(SG_IO)", (Addr)sgio->dxferp, sgio->dxfer_len ); 5706 } 5707 } 5708 break; 5709 case VKI_SG_GET_SCSI_ID: 5710 PRE_MEM_WRITE( "ioctl(SG_GET_SCSI_ID)", ARG3, sizeof(vki_sg_scsi_id_t) ); 5711 break; 5712 case VKI_SG_SET_RESERVED_SIZE: 5713 PRE_MEM_READ( "ioctl(SG_SET_RESERVED_SIZE)", ARG3, sizeof(int) ); 5714 break; 5715 case VKI_SG_SET_TIMEOUT: 5716 PRE_MEM_READ( "ioctl(SG_SET_TIMEOUT)", ARG3, sizeof(int) ); 5717 break; 5718 case VKI_SG_GET_RESERVED_SIZE: 5719 PRE_MEM_WRITE( "ioctl(SG_GET_RESERVED_SIZE)", ARG3, sizeof(int) ); 5720 break; 5721 case VKI_SG_GET_TIMEOUT: 5722 break; 5723 case VKI_SG_GET_VERSION_NUM: 5724 PRE_MEM_WRITE( "ioctl(SG_GET_VERSION_NUM)", ARG3, sizeof(int) ); 5725 break; 5726 case VKI_SG_EMULATED_HOST: /* 0x2203 */ 5727 PRE_MEM_WRITE( "ioctl(SG_EMULATED_HOST)", ARG3, sizeof(int) ); 5728 break; 5729 case VKI_SG_GET_SG_TABLESIZE: /* 0x227f */ 5730 PRE_MEM_WRITE( "ioctl(SG_GET_SG_TABLESIZE)", ARG3, sizeof(int) ); 5731 break; 5732 5733 case VKI_IIOCGETCPS: 5734 PRE_MEM_WRITE( "ioctl(IIOCGETCPS)", ARG3, 5735 VKI_ISDN_MAX_CHANNELS * 2 * sizeof(unsigned long) ); 5736 break; 5737 case VKI_IIOCNETGPN: 5738 PRE_MEM_READ( "ioctl(IIOCNETGPN)", 5739 (Addr)&((vki_isdn_net_ioctl_phone *)ARG3)->name, 5740 sizeof(((vki_isdn_net_ioctl_phone *)ARG3)->name) ); 5741 PRE_MEM_WRITE( "ioctl(IIOCNETGPN)", ARG3, 5742 sizeof(vki_isdn_net_ioctl_phone) ); 5743 break; 5744 5745 /* These all use struct ifreq AFAIK */ 5746 case VKI_SIOCGIFINDEX: /* get iface index */ 5747 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFINDEX)", 5748 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5749 PRE_MEM_WRITE( "ioctl(SIOCGIFINDEX)", ARG3, sizeof(struct vki_ifreq)); 5750 break; 5751 case VKI_SIOCGIFFLAGS: /* get flags */ 5752 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFFLAGS)", 5753 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5754 PRE_MEM_WRITE( "ioctl(SIOCGIFFLAGS)", ARG3, sizeof(struct vki_ifreq)); 5755 break; 5756 case VKI_SIOCGIFHWADDR: /* Get hardware address */ 5757 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFHWADDR)", 5758 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5759 PRE_MEM_WRITE( "ioctl(SIOCGIFHWADDR)", ARG3, sizeof(struct vki_ifreq)); 5760 break; 5761 case VKI_SIOCGIFMTU: /* get MTU size */ 5762 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMTU)", 5763 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5764 PRE_MEM_WRITE( "ioctl(SIOCGIFMTU)", ARG3, sizeof(struct vki_ifreq)); 5765 break; 5766 case VKI_SIOCGIFADDR: /* get PA address */ 5767 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFADDR)", 5768 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5769 PRE_MEM_WRITE( "ioctl(SIOCGIFADDR)", ARG3, sizeof(struct vki_ifreq)); 5770 break; 5771 case VKI_SIOCGIFNETMASK: /* get network PA mask */ 5772 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFNETMASK)", 5773 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5774 PRE_MEM_WRITE( "ioctl(SIOCGIFNETMASK)", ARG3, sizeof(struct vki_ifreq)); 5775 break; 5776 case VKI_SIOCGIFMETRIC: /* get metric */ 5777 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMETRIC)", 5778 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5779 PRE_MEM_WRITE( "ioctl(SIOCGIFMETRIC)", ARG3, sizeof(struct vki_ifreq)); 5780 break; 5781 case VKI_SIOCGIFMAP: /* Get device parameters */ 5782 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMAP)", 5783 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5784 PRE_MEM_WRITE( "ioctl(SIOCGIFMAP)", ARG3, sizeof(struct vki_ifreq)); 5785 break; 5786 case VKI_SIOCGIFTXQLEN: /* Get the tx queue length */ 5787 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFTXQLEN)", 5788 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5789 PRE_MEM_WRITE( "ioctl(SIOCGIFTXQLEN)", ARG3, sizeof(struct vki_ifreq)); 5790 break; 5791 case VKI_SIOCGIFDSTADDR: /* get remote PA address */ 5792 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFDSTADDR)", 5793 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5794 PRE_MEM_WRITE( "ioctl(SIOCGIFDSTADDR)", ARG3, sizeof(struct vki_ifreq)); 5795 break; 5796 case VKI_SIOCGIFBRDADDR: /* get broadcast PA address */ 5797 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFBRDADDR)", 5798 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5799 PRE_MEM_WRITE( "ioctl(SIOCGIFBRDADDR)", ARG3, sizeof(struct vki_ifreq)); 5800 break; 5801 case VKI_SIOCGIFNAME: /* get iface name */ 5802 PRE_MEM_READ( "ioctl(SIOCGIFNAME)", 5803 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_ifindex, 5804 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_ifindex) ); 5805 PRE_MEM_WRITE( "ioctl(SIOCGIFNAME)", ARG3, sizeof(struct vki_ifreq)); 5806 break; 5807 case VKI_SIOCETHTOOL: { /* ethtool(8) interface */ 5808 struct vki_ifreq *ir = (struct vki_ifreq *)ARG3; 5809 PRE_MEM_READ( "ioctl(SIOCETHTOOL)", (Addr)ir, sizeof(struct vki_ifreq) ); 5810 PRE_MEM_RASCIIZ( "ioctl(SIOCETHTOOL)", (Addr)ir->vki_ifr_name ); 5811 PRE_MEM_READ( "ioctl(SIOCETHTOOL)", (Addr)ir->vki_ifr_data, sizeof(vki_u32) ); 5812 PRINT("SIOCETHTOOL( 0x%x )", *(vki_u32 *)ir->vki_ifr_data ); 5813 switch ( *(vki_u32 *)ir->vki_ifr_data ) { 5814 case VKI_ETHTOOL_GSET: 5815 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GSET)", 5816 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_cmd) ); 5817 break; 5818 case VKI_ETHTOOL_SSET: 5819 PRE_MEM_READ( "ioctl(SIOCETHTOOL,SSET)", 5820 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_cmd) ); 5821 break; 5822 case VKI_ETHTOOL_GDRVINFO: 5823 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GDRVINFO)", 5824 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_drvinfo) ); 5825 break; 5826 case VKI_ETHTOOL_GREGS: 5827 PRE_MEM_READ( "ioctl(SIOCETHTOOL,GREGS)", 5828 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_regs) ); 5829 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GREGS)", 5830 (Addr)((struct vki_ethtool_regs *)ir->vki_ifr_data)->data, 5831 ((struct vki_ethtool_regs *)ir->vki_ifr_data)->len ); 5832 break; 5833 case VKI_ETHTOOL_GWOL: 5834 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GWOL)", 5835 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_wolinfo) ); 5836 break; 5837 case VKI_ETHTOOL_SWOL: 5838 PRE_MEM_READ( "ioctl(SIOCETHTOOL,SWOL)", 5839 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_wolinfo) ); 5840 break; 5841 case VKI_ETHTOOL_GMSGLVL: 5842 case VKI_ETHTOOL_GLINK: 5843 case VKI_ETHTOOL_GRXCSUM: 5844 case VKI_ETHTOOL_GSG: 5845 case VKI_ETHTOOL_GTSO: 5846 case VKI_ETHTOOL_GUFO: 5847 case VKI_ETHTOOL_GGSO: 5848 case VKI_ETHTOOL_GFLAGS: 5849 case VKI_ETHTOOL_GGRO: 5850 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,Gvalue)", 5851 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_value) ); 5852 break; 5853 case VKI_ETHTOOL_SMSGLVL: 5854 case VKI_ETHTOOL_SRXCSUM: 5855 case VKI_ETHTOOL_SSG: 5856 case VKI_ETHTOOL_STSO: 5857 case VKI_ETHTOOL_SUFO: 5858 case VKI_ETHTOOL_SGSO: 5859 case VKI_ETHTOOL_SFLAGS: 5860 case VKI_ETHTOOL_SGRO: 5861 PRE_MEM_READ( "ioctl(SIOCETHTOOL,Svalue)", 5862 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_value) ); 5863 break; 5864 case VKI_ETHTOOL_NWAY_RST: 5865 break; 5866 case VKI_ETHTOOL_GRINGPARAM: 5867 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GRINGPARAM)", 5868 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_ringparam) ); 5869 break; 5870 case VKI_ETHTOOL_SRINGPARAM: 5871 PRE_MEM_READ( "ioctl(SIOCETHTOOL,SRINGPARAM)", 5872 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_ringparam) ); 5873 break; 5874 case VKI_ETHTOOL_TEST: 5875 PRE_MEM_READ( "ioctl(SIOCETHTOOL,TEST)", 5876 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_test) ); 5877 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,TEST)", 5878 (Addr)((struct vki_ethtool_test *)ir->vki_ifr_data)->data, 5879 ((struct vki_ethtool_test *)ir->vki_ifr_data)->len * sizeof(__vki_u64) ); 5880 break; 5881 case VKI_ETHTOOL_PHYS_ID: 5882 break; 5883 case VKI_ETHTOOL_GPERMADDR: 5884 PRE_MEM_READ( "ioctl(SIOCETHTOOL,GPERMADDR)", 5885 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_perm_addr) ); 5886 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GPERMADDR)", 5887 (Addr)((struct vki_ethtool_perm_addr *)ir->vki_ifr_data)->data, 5888 ((struct vki_ethtool_perm_addr *)ir->vki_ifr_data)->size ); 5889 break; 5890 case VKI_ETHTOOL_RESET: 5891 break; 5892 case VKI_ETHTOOL_GSSET_INFO: 5893 PRE_MEM_READ( "ioctl(SIOCETHTOOL,GSSET_INFO)", 5894 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_sset_info) ); 5895 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GSSET_INFO)", 5896 (Addr)((struct vki_ethtool_sset_info *)ir->vki_ifr_data)->data, 5897 __builtin_popcountll(((struct vki_ethtool_sset_info *)ir->vki_ifr_data)->sset_mask) * sizeof(__vki_u32) ); 5898 break; 5899 case VKI_ETHTOOL_GFEATURES: 5900 PRE_MEM_READ( "ioctl(SIOCETHTOOL,GFEATURES)", 5901 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_gfeatures) ); 5902 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GFEATURES)", 5903 (Addr)((struct vki_ethtool_gfeatures *)ir->vki_ifr_data)->features, 5904 ((struct vki_ethtool_gfeatures *)ir->vki_ifr_data)->size * sizeof(struct vki_ethtool_get_features_block) ); 5905 break; 5906 case VKI_ETHTOOL_SFEATURES: 5907 PRE_MEM_READ( "ioctl(SIOCETHTOOL,SFEATURES)", 5908 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_sfeatures) ); 5909 PRE_MEM_READ( "ioctl(SIOCETHTOOL,SFEATURES)", 5910 (Addr)((struct vki_ethtool_sfeatures *)ir->vki_ifr_data)->features, 5911 ((struct vki_ethtool_sfeatures *)ir->vki_ifr_data)->size * sizeof(struct vki_ethtool_set_features_block) ); 5912 break; 5913 case VKI_ETHTOOL_GCHANNELS: 5914 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GCHANNELS)", 5915 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_channels) ); 5916 break; 5917 case VKI_ETHTOOL_SCHANNELS: 5918 PRE_MEM_READ( "ioctl(SIOCETHTOOL,SCHANNELS)", 5919 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_channels) ); 5920 break; 5921 case VKI_ETHTOOL_GET_TS_INFO: 5922 PRE_MEM_WRITE( "ioctl(SIOCETHTOOL,GET_TS_INFO)", 5923 (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_ts_info) ); 5924 break; 5925 } 5926 break; 5927 } 5928 case VKI_SIOCGMIIPHY: /* get hardware entry */ 5929 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMIIPHY)", 5930 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5931 PRE_MEM_WRITE( "ioctl(SIOCGIFMIIPHY)", ARG3, sizeof(struct vki_ifreq)); 5932 break; 5933 case VKI_SIOCGMIIREG: /* get hardware entry registers */ 5934 PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMIIREG)", 5935 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5936 PRE_MEM_READ( "ioctl(SIOCGIFMIIREG)", 5937 (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id, 5938 sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id) ); 5939 PRE_MEM_READ( "ioctl(SIOCGIFMIIREG)", 5940 (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->reg_num, 5941 sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->reg_num) ); 5942 PRE_MEM_WRITE( "ioctl(SIOCGIFMIIREG)", ARG3, 5943 sizeof(struct vki_ifreq)); 5944 break; 5945 case VKI_SIOCGIFCONF: /* get iface list */ 5946 /* WAS: 5947 PRE_MEM_WRITE( "ioctl(SIOCGIFCONF)", ARG3, sizeof(struct ifconf)); 5948 KERNEL_DO_SYSCALL(tid,RES); 5949 if (!VG_(is_kerror)(RES) && RES == 0) 5950 POST_MEM_WRITE(ARG3, sizeof(struct ifconf)); 5951 */ 5952 PRE_MEM_READ( "ioctl(SIOCGIFCONF)", 5953 (Addr)&((struct vki_ifconf *)ARG3)->ifc_len, 5954 sizeof(((struct vki_ifconf *)ARG3)->ifc_len)); 5955 PRE_MEM_READ( "ioctl(SIOCGIFCONF)", 5956 (Addr)&((struct vki_ifconf *)ARG3)->vki_ifc_buf, 5957 sizeof(((struct vki_ifconf *)ARG3)->vki_ifc_buf)); 5958 if ( ARG3 ) { 5959 // TODO len must be readable and writable 5960 // buf pointer only needs to be readable 5961 struct vki_ifconf *ifc = (struct vki_ifconf *) ARG3; 5962 PRE_MEM_WRITE( "ioctl(SIOCGIFCONF).ifc_buf", 5963 (Addr)(ifc->vki_ifc_buf), ifc->ifc_len ); 5964 } 5965 break; 5966 case VKI_SIOCGSTAMP: 5967 PRE_MEM_WRITE( "ioctl(SIOCGSTAMP)", ARG3, sizeof(struct vki_timeval)); 5968 break; 5969 case VKI_SIOCGSTAMPNS: 5970 PRE_MEM_WRITE( "ioctl(SIOCGSTAMPNS)", ARG3, sizeof(struct vki_timespec)); 5971 break; 5972 /* SIOCOUTQ is an ioctl that, when called on a socket, returns 5973 the number of bytes currently in that socket's send buffer. 5974 It writes this value as an int to the memory location 5975 indicated by the third argument of ioctl(2). */ 5976 case VKI_SIOCOUTQ: 5977 PRE_MEM_WRITE( "ioctl(SIOCOUTQ)", ARG3, sizeof(int)); 5978 break; 5979 case VKI_SIOCGRARP: /* get RARP table entry */ 5980 case VKI_SIOCGARP: /* get ARP table entry */ 5981 PRE_MEM_WRITE( "ioctl(SIOCGARP)", ARG3, sizeof(struct vki_arpreq)); 5982 break; 5983 5984 case VKI_SIOCSIFFLAGS: /* set flags */ 5985 PRE_MEM_RASCIIZ( "ioctl(SIOCSIFFLAGS)", 5986 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5987 PRE_MEM_READ( "ioctl(SIOCSIFFLAGS)", 5988 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_flags, 5989 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_flags) ); 5990 break; 5991 case VKI_SIOCSIFMAP: /* Set device parameters */ 5992 PRE_MEM_RASCIIZ( "ioctl(SIOCSIFMAP)", 5993 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 5994 PRE_MEM_READ( "ioctl(SIOCSIFMAP)", 5995 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_map, 5996 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_map) ); 5997 break; 5998 case VKI_SIOCSHWTSTAMP: /* Set hardware time stamping */ 5999 PRE_MEM_RASCIIZ( "ioctl(SIOCSHWTSTAMP)", 6000 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 6001 PRE_MEM_READ( "ioctl(SIOCSHWTSTAMP)", 6002 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_data, 6003 sizeof(struct vki_hwtstamp_config) ); 6004 break; 6005 case VKI_SIOCSIFTXQLEN: /* Set the tx queue length */ 6006 PRE_MEM_RASCIIZ( "ioctl(SIOCSIFTXQLEN)", 6007 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 6008 PRE_MEM_READ( "ioctl(SIOCSIFTXQLEN)", 6009 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_qlen, 6010 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_qlen) ); 6011 break; 6012 case VKI_SIOCSIFADDR: /* set PA address */ 6013 case VKI_SIOCSIFDSTADDR: /* set remote PA address */ 6014 case VKI_SIOCSIFBRDADDR: /* set broadcast PA address */ 6015 case VKI_SIOCSIFNETMASK: /* set network PA mask */ 6016 PRE_MEM_RASCIIZ( "ioctl(SIOCSIF*ADDR)", 6017 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 6018 PRE_MEM_READ( "ioctl(SIOCSIF*ADDR)", 6019 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_addr, 6020 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_addr) ); 6021 break; 6022 case VKI_SIOCSIFMETRIC: /* set metric */ 6023 PRE_MEM_RASCIIZ( "ioctl(SIOCSIFMETRIC)", 6024 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 6025 PRE_MEM_READ( "ioctl(SIOCSIFMETRIC)", 6026 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_metric, 6027 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_metric) ); 6028 break; 6029 case VKI_SIOCSIFMTU: /* set MTU size */ 6030 PRE_MEM_RASCIIZ( "ioctl(SIOCSIFMTU)", 6031 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 6032 PRE_MEM_READ( "ioctl(SIOCSIFMTU)", 6033 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_mtu, 6034 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_mtu) ); 6035 break; 6036 case VKI_SIOCSIFHWADDR: /* set hardware address */ 6037 PRE_MEM_RASCIIZ( "ioctl(SIOCSIFHWADDR)", 6038 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 6039 PRE_MEM_READ( "ioctl(SIOCSIFHWADDR)", 6040 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_hwaddr, 6041 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_hwaddr) ); 6042 break; 6043 case VKI_SIOCSMIIREG: /* set hardware entry registers */ 6044 PRE_MEM_RASCIIZ( "ioctl(SIOCSMIIREG)", 6045 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 6046 PRE_MEM_READ( "ioctl(SIOCSMIIREG)", 6047 (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id, 6048 sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id) ); 6049 PRE_MEM_READ( "ioctl(SIOCSMIIREG)", 6050 (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->reg_num, 6051 sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->reg_num) ); 6052 PRE_MEM_READ( "ioctl(SIOCSMIIREG)", 6053 (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->val_in, 6054 sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->val_in) ); 6055 break; 6056 /* Routing table calls. */ 6057 case VKI_SIOCADDRT: /* add routing table entry */ 6058 case VKI_SIOCDELRT: /* delete routing table entry */ 6059 PRE_MEM_READ( "ioctl(SIOCADDRT/DELRT)", ARG3, 6060 sizeof(struct vki_rtentry)); 6061 break; 6062 6063 /* tun/tap related ioctls */ 6064 case VKI_TUNSETNOCSUM: 6065 case VKI_TUNSETDEBUG: 6066 break; 6067 case VKI_TUNSETIFF: 6068 PRE_MEM_RASCIIZ( "ioctl(TUNSETIFF)", 6069 (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); 6070 PRE_MEM_READ( "ioctl(TUNSETIFF)", 6071 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_flags, 6072 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_flags) ); 6073 PRE_MEM_WRITE( "ioctl(TUNSETIFF)", ARG3, sizeof(struct vki_ifreq) ); 6074 break; 6075 case VKI_TUNSETPERSIST: 6076 case VKI_TUNSETOWNER: 6077 case VKI_TUNSETLINK: 6078 case VKI_TUNSETGROUP: 6079 break; 6080 case VKI_TUNGETFEATURES: 6081 PRE_MEM_WRITE( "ioctl(TUNGETFEATURES)", ARG3, sizeof(unsigned int) ); 6082 break; 6083 case VKI_TUNSETOFFLOAD: 6084 break; 6085 case VKI_TUNGETIFF: 6086 PRE_MEM_WRITE( "ioctl(TUNGETIFF)", ARG3, sizeof(struct vki_ifreq) ); 6087 break; 6088 case VKI_TUNGETSNDBUF: 6089 PRE_MEM_WRITE( "ioctl(TUNGETSNDBUF)", ARG3, sizeof(int) ); 6090 break; 6091 case VKI_TUNSETSNDBUF: 6092 PRE_MEM_READ( "ioctl(TUNSETSNDBUF)", ARG3, sizeof(int) ); 6093 break; 6094 case VKI_TUNGETVNETHDRSZ: 6095 PRE_MEM_WRITE( "ioctl(TUNGETVNETHDRSZ)", ARG3, sizeof(int) ); 6096 break; 6097 case VKI_TUNSETVNETHDRSZ: 6098 PRE_MEM_READ( "ioctl(TUNSETVNETHDRSZ)", ARG3, sizeof(int) ); 6099 break; 6100 case VKI_TUNSETQUEUE: 6101 PRE_MEM_READ( "ioctl(TUNSETQUEUE)", 6102 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_flags, 6103 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_flags) ); 6104 break; 6105 case VKI_TUNSETIFINDEX: 6106 PRE_MEM_READ( "ioctl(TUNSETIFINDEX)", ARG3, sizeof(unsigned int)); 6107 break; 6108 6109 /* RARP cache control calls. */ 6110 case VKI_SIOCDRARP: /* delete RARP table entry */ 6111 case VKI_SIOCSRARP: /* set RARP table entry */ 6112 /* ARP cache control calls. */ 6113 case VKI_SIOCSARP: /* set ARP table entry */ 6114 case VKI_SIOCDARP: /* delete ARP table entry */ 6115 PRE_MEM_READ( "ioctl(SIOCSIFFLAGS)", ARG3, sizeof(struct vki_ifreq)); 6116 break; 6117 6118 case VKI_SIOCGPGRP: 6119 PRE_MEM_WRITE( "ioctl(SIOCGPGRP)", ARG3, sizeof(int) ); 6120 break; 6121 case VKI_SIOCSPGRP: 6122 PRE_MEM_READ( "ioctl(SIOCSPGRP)", ARG3, sizeof(int) ); 6123 //tst->sys_flags &= ~SfMayBlock; 6124 break; 6125 6126 case VKI_SIOCATMARK: 6127 PRE_MEM_READ( "ioctl(SIOCATMARK)", ARG3, sizeof(int) ); 6128 break; 6129 6130 /* linux/soundcard interface (OSS) */ 6131 case VKI_SNDCTL_SEQ_GETOUTCOUNT: 6132 case VKI_SNDCTL_SEQ_GETINCOUNT: 6133 case VKI_SNDCTL_SEQ_PERCMODE: 6134 case VKI_SNDCTL_SEQ_TESTMIDI: 6135 case VKI_SNDCTL_SEQ_RESETSAMPLES: 6136 case VKI_SNDCTL_SEQ_NRSYNTHS: 6137 case VKI_SNDCTL_SEQ_NRMIDIS: 6138 case VKI_SNDCTL_SEQ_GETTIME: 6139 case VKI_SNDCTL_DSP_GETBLKSIZE: 6140 case VKI_SNDCTL_DSP_GETFMTS: 6141 case VKI_SNDCTL_DSP_GETTRIGGER: 6142 case VKI_SNDCTL_DSP_GETODELAY: 6143 case VKI_SNDCTL_DSP_GETSPDIF: 6144 case VKI_SNDCTL_DSP_GETCAPS: 6145 case VKI_SOUND_PCM_READ_RATE: 6146 case VKI_SOUND_PCM_READ_CHANNELS: 6147 case VKI_SOUND_PCM_READ_BITS: 6148 case VKI_SOUND_PCM_READ_FILTER: 6149 PRE_MEM_WRITE( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOR, int))", 6150 ARG3, sizeof(int)); 6151 break; 6152 case VKI_SNDCTL_SEQ_CTRLRATE: 6153 case VKI_SNDCTL_DSP_SPEED: 6154 case VKI_SNDCTL_DSP_STEREO: 6155 case VKI_SNDCTL_DSP_CHANNELS: 6156 case VKI_SOUND_PCM_WRITE_FILTER: 6157 case VKI_SNDCTL_DSP_SUBDIVIDE: 6158 case VKI_SNDCTL_DSP_SETFRAGMENT: 6159 case VKI_SNDCTL_DSP_SETFMT: 6160 case VKI_SNDCTL_DSP_GETCHANNELMASK: 6161 case VKI_SNDCTL_DSP_BIND_CHANNEL: 6162 case VKI_SNDCTL_TMR_TIMEBASE: 6163 case VKI_SNDCTL_TMR_TEMPO: 6164 case VKI_SNDCTL_TMR_SOURCE: 6165 case VKI_SNDCTL_MIDI_PRETIME: 6166 case VKI_SNDCTL_MIDI_MPUMODE: 6167 PRE_MEM_READ( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOWR, int))", 6168 ARG3, sizeof(int)); 6169 PRE_MEM_WRITE( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOWR, int))", 6170 ARG3, sizeof(int)); 6171 break; 6172 case VKI_SNDCTL_DSP_GETOSPACE: 6173 case VKI_SNDCTL_DSP_GETISPACE: 6174 PRE_MEM_WRITE( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOR, audio_buf_info))", 6175 ARG3, sizeof(vki_audio_buf_info)); 6176 break; 6177 case VKI_SNDCTL_DSP_NONBLOCK: 6178 break; 6179 case VKI_SNDCTL_DSP_SETTRIGGER: 6180 PRE_MEM_READ( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOW, int))", 6181 ARG3, sizeof(int)); 6182 break; 6183 6184 case VKI_SNDCTL_DSP_POST: 6185 case VKI_SNDCTL_DSP_RESET: 6186 case VKI_SNDCTL_DSP_SYNC: 6187 case VKI_SNDCTL_DSP_SETSYNCRO: 6188 case VKI_SNDCTL_DSP_SETDUPLEX: 6189 break; 6190 6191 /* linux/soundcard interface (ALSA) */ 6192 case VKI_SNDRV_PCM_IOCTL_PAUSE: 6193 case VKI_SNDRV_PCM_IOCTL_LINK: 6194 /* these just take an int by value */ 6195 break; 6196 case VKI_SNDRV_CTL_IOCTL_PVERSION: 6197 PRE_MEM_WRITE( "ioctl(SNDRV_CTL_IOCTL_PVERSION)", (Addr)ARG3, sizeof(int) ); 6198 break; 6199 case VKI_SNDRV_CTL_IOCTL_CARD_INFO: 6200 PRE_MEM_WRITE( "ioctl(SNDRV_CTL_IOCTL_CARD_INFO)", (Addr)ARG3, sizeof(struct vki_snd_ctl_card_info) ); 6201 break; 6202 case VKI_SNDRV_CTL_IOCTL_ELEM_LIST: { 6203 struct vki_snd_ctl_elem_list *data = (struct vki_snd_ctl_elem_list *)ARG3; 6204 PRE_MEM_READ( "ioctl(SNDRV_CTL_IOCTL_ELEM_LIST)", (Addr)&data->offset, sizeof(data->offset) ); 6205 PRE_MEM_READ( "ioctl(SNDRV_CTL_IOCTL_ELEM_LIST)", (Addr)&data->space, sizeof(data->space) ); 6206 PRE_MEM_WRITE( "ioctl(SNDRV_CTL_IOCTL_ELEM_LIST)", (Addr)&data->used, sizeof(data->used) ); 6207 PRE_MEM_WRITE( "ioctl(SNDRV_CTL_IOCTL_ELEM_LIST)", (Addr)&data->count, sizeof(data->count) ); 6208 PRE_MEM_READ( "ioctl(SNDRV_CTL_IOCTL_ELEM_LIST)", (Addr)&data->pids, sizeof(data->pids) ); 6209 if (data->pids) { 6210 PRE_MEM_WRITE( "ioctl(SNDRV_CTL_IOCTL_ELEM_LIST)", (Addr)data->pids, sizeof(struct vki_snd_ctl_elem_id) * data->space ); 6211 } 6212 break; 6213 } 6214 case VKI_SNDRV_CTL_IOCTL_TLV_READ: { 6215 struct vki_snd_ctl_tlv *data = (struct vki_snd_ctl_tlv *)ARG3; 6216 PRE_MEM_READ( "ioctl(SNDRV_CTL_IOCTL_TLV_READ)", (Addr)&data->numid, sizeof(data->numid) ); 6217 PRE_MEM_READ( "ioctl(SNDRV_CTL_IOCTL_TLV_READ)", (Addr)&data->length, sizeof(data->length) ); 6218 PRE_MEM_WRITE( "ioctl(SNDRV_CTL_IOCTL_TLV_READ)", (Addr)data->tlv, data->length ); 6219 break; 6220 } 6221 case VKI_SNDRV_CTL_IOCTL_TLV_WRITE: 6222 case VKI_SNDRV_CTL_IOCTL_TLV_COMMAND: { 6223 struct vki_snd_ctl_tlv *data = (struct vki_snd_ctl_tlv *)ARG3; 6224 PRE_MEM_READ( "ioctl(SNDRV_CTL_IOCTL_TLV_WRITE)", (Addr)&data->numid, sizeof(data->numid) ); 6225 PRE_MEM_READ( "ioctl(SNDRV_CTL_IOCTL_TLV_WRITE)", (Addr)&data->length, sizeof(data->length) ); 6226 PRE_MEM_READ( "ioctl(SNDRV_CTL_IOCTL_TLV_WRITE)", (Addr)data->tlv, data->length ); 6227 break; 6228 } 6229 6230 /* Real Time Clock (/dev/rtc) ioctls */ 6231 case VKI_RTC_UIE_ON: 6232 case VKI_RTC_UIE_OFF: 6233 case VKI_RTC_AIE_ON: 6234 case VKI_RTC_AIE_OFF: 6235 case VKI_RTC_PIE_ON: 6236 case VKI_RTC_PIE_OFF: 6237 case VKI_RTC_IRQP_SET: 6238 break; 6239 case VKI_RTC_RD_TIME: 6240 case VKI_RTC_ALM_READ: 6241 PRE_MEM_WRITE( "ioctl(RTC_RD_TIME/ALM_READ)", 6242 ARG3, sizeof(struct vki_rtc_time)); 6243 break; 6244 case VKI_RTC_ALM_SET: 6245 PRE_MEM_READ( "ioctl(RTC_ALM_SET)", ARG3, sizeof(struct vki_rtc_time)); 6246 break; 6247 case VKI_RTC_IRQP_READ: 6248 PRE_MEM_WRITE( "ioctl(RTC_IRQP_READ)", ARG3, sizeof(unsigned long)); 6249 break; 6250 6251 /* Block devices */ 6252 case VKI_BLKROSET: 6253 PRE_MEM_READ( "ioctl(BLKROSET)", ARG3, sizeof(int)); 6254 break; 6255 case VKI_BLKROGET: 6256 PRE_MEM_WRITE( "ioctl(BLKROGET)", ARG3, sizeof(int)); 6257 break; 6258 case VKI_BLKGETSIZE: 6259 PRE_MEM_WRITE( "ioctl(BLKGETSIZE)", ARG3, sizeof(unsigned long)); 6260 break; 6261 case VKI_BLKRASET: 6262 break; 6263 case VKI_BLKRAGET: 6264 PRE_MEM_WRITE( "ioctl(BLKRAGET)", ARG3, sizeof(long)); 6265 break; 6266 case VKI_BLKFRASET: 6267 break; 6268 case VKI_BLKFRAGET: 6269 PRE_MEM_WRITE( "ioctl(BLKFRAGET)", ARG3, sizeof(long)); 6270 break; 6271 case VKI_BLKSECTGET: 6272 PRE_MEM_WRITE( "ioctl(BLKSECTGET)", ARG3, sizeof(unsigned short)); 6273 break; 6274 case VKI_BLKSSZGET: 6275 PRE_MEM_WRITE( "ioctl(BLKSSZGET)", ARG3, sizeof(int)); 6276 break; 6277 case VKI_BLKBSZGET: 6278 PRE_MEM_WRITE( "ioctl(BLKBSZGET)", ARG3, sizeof(int)); 6279 break; 6280 case VKI_BLKBSZSET: 6281 PRE_MEM_READ( "ioctl(BLKBSZSET)", ARG3, sizeof(int)); 6282 break; 6283 case VKI_BLKGETSIZE64: 6284 PRE_MEM_WRITE( "ioctl(BLKGETSIZE64)", ARG3, sizeof(unsigned long long)); 6285 break; 6286 case VKI_BLKPBSZGET: 6287 PRE_MEM_WRITE( "ioctl(BLKPBSZGET)", ARG3, sizeof(int)); 6288 break; 6289 case VKI_BLKDISCARDZEROES: 6290 PRE_MEM_WRITE( "ioctl(BLKDISCARDZEROES)", ARG3, sizeof(vki_uint)); 6291 break; 6292 6293 /* Hard disks */ 6294 case VKI_HDIO_GETGEO: /* 0x0301 */ 6295 PRE_MEM_WRITE( "ioctl(HDIO_GETGEO)", ARG3, sizeof(struct vki_hd_geometry)); 6296 break; 6297 case VKI_HDIO_GET_DMA: /* 0x030b */ 6298 PRE_MEM_WRITE( "ioctl(HDIO_GET_DMA)", ARG3, sizeof(long)); 6299 break; 6300 case VKI_HDIO_GET_IDENTITY: /* 0x030d */ 6301 PRE_MEM_WRITE( "ioctl(HDIO_GET_IDENTITY)", ARG3, 6302 VKI_SIZEOF_STRUCT_HD_DRIVEID ); 6303 break; 6304 6305 /* SCSI */ 6306 case VKI_SCSI_IOCTL_GET_IDLUN: /* 0x5382 */ 6307 PRE_MEM_WRITE( "ioctl(SCSI_IOCTL_GET_IDLUN)", ARG3, sizeof(struct vki_scsi_idlun)); 6308 break; 6309 case VKI_SCSI_IOCTL_GET_BUS_NUMBER: /* 0x5386 */ 6310 PRE_MEM_WRITE( "ioctl(SCSI_IOCTL_GET_BUS_NUMBER)", ARG3, sizeof(int)); 6311 break; 6312 6313 /* CD ROM stuff (??) */ 6314 case VKI_CDROM_GET_MCN: 6315 PRE_MEM_READ( "ioctl(CDROM_GET_MCN)", ARG3, 6316 sizeof(struct vki_cdrom_mcn) ); 6317 break; 6318 case VKI_CDROM_SEND_PACKET: 6319 PRE_MEM_READ( "ioctl(CDROM_SEND_PACKET)", ARG3, 6320 sizeof(struct vki_cdrom_generic_command)); 6321 break; 6322 case VKI_CDROMSUBCHNL: 6323 PRE_MEM_READ( "ioctl(CDROMSUBCHNL (cdsc_format, char))", 6324 (Addr) &(((struct vki_cdrom_subchnl*) ARG3)->cdsc_format), 6325 sizeof(((struct vki_cdrom_subchnl*) ARG3)->cdsc_format)); 6326 PRE_MEM_WRITE( "ioctl(CDROMSUBCHNL)", ARG3, 6327 sizeof(struct vki_cdrom_subchnl)); 6328 break; 6329 case VKI_CDROMREADMODE2: 6330 PRE_MEM_READ( "ioctl(CDROMREADMODE2)", ARG3, VKI_CD_FRAMESIZE_RAW0 ); 6331 break; 6332 case VKI_CDROMREADTOCHDR: 6333 PRE_MEM_WRITE( "ioctl(CDROMREADTOCHDR)", ARG3, 6334 sizeof(struct vki_cdrom_tochdr)); 6335 break; 6336 case VKI_CDROMREADTOCENTRY: 6337 PRE_MEM_READ( "ioctl(CDROMREADTOCENTRY (cdte_format, char))", 6338 (Addr) &(((struct vki_cdrom_tocentry*) ARG3)->cdte_format), 6339 sizeof(((struct vki_cdrom_tocentry*) ARG3)->cdte_format)); 6340 PRE_MEM_READ( "ioctl(CDROMREADTOCENTRY (cdte_track, char))", 6341 (Addr) &(((struct vki_cdrom_tocentry*) ARG3)->cdte_track), 6342 sizeof(((struct vki_cdrom_tocentry*) ARG3)->cdte_track)); 6343 PRE_MEM_WRITE( "ioctl(CDROMREADTOCENTRY)", ARG3, 6344 sizeof(struct vki_cdrom_tocentry)); 6345 break; 6346 case VKI_CDROMMULTISESSION: /* 0x5310 */ 6347 PRE_MEM_WRITE( "ioctl(CDROMMULTISESSION)", ARG3, 6348 sizeof(struct vki_cdrom_multisession)); 6349 break; 6350 case VKI_CDROMVOLREAD: /* 0x5313 */ 6351 PRE_MEM_WRITE( "ioctl(CDROMVOLREAD)", ARG3, 6352 sizeof(struct vki_cdrom_volctrl)); 6353 break; 6354 case VKI_CDROMREADRAW: /* 0x5314 */ 6355 PRE_MEM_READ( "ioctl(CDROMREADRAW)", ARG3, sizeof(struct vki_cdrom_msf)); 6356 PRE_MEM_WRITE( "ioctl(CDROMREADRAW)", ARG3, VKI_CD_FRAMESIZE_RAW); 6357 break; 6358 case VKI_CDROMREADAUDIO: /* 0x530e */ 6359 PRE_MEM_READ( "ioctl(CDROMREADAUDIO)", ARG3, 6360 sizeof (struct vki_cdrom_read_audio)); 6361 if ( ARG3 ) { 6362 /* ToDo: don't do any of the following if the structure is invalid */ 6363 struct vki_cdrom_read_audio *cra = (struct vki_cdrom_read_audio *) ARG3; 6364 PRE_MEM_WRITE( "ioctl(CDROMREADAUDIO).buf", 6365 (Addr)(cra->buf), cra->nframes * VKI_CD_FRAMESIZE_RAW); 6366 } 6367 break; 6368 case VKI_CDROMPLAYMSF: 6369 PRE_MEM_READ( "ioctl(CDROMPLAYMSF)", ARG3, sizeof(struct vki_cdrom_msf)); 6370 break; 6371 /* The following two are probably bogus (should check args 6372 for readability). JRS 20021117 */ 6373 case VKI_CDROM_DRIVE_STATUS: /* 0x5326 */ 6374 case VKI_CDROM_CLEAR_OPTIONS: /* 0x5321 */ 6375 break; 6376 case VKI_CDROM_GET_CAPABILITY: /* 0x5331 */ 6377 break; 6378 6379 case VKI_FIGETBSZ: 6380 PRE_MEM_WRITE( "ioctl(FIGETBSZ)", ARG3, sizeof(unsigned long)); 6381 break; 6382 case VKI_FIBMAP: 6383 PRE_MEM_READ( "ioctl(FIBMAP)", ARG3, sizeof(int)); 6384 break; 6385 6386 case VKI_FBIOGET_VSCREENINFO: /* 0x4600 */ 6387 PRE_MEM_WRITE( "ioctl(FBIOGET_VSCREENINFO)", ARG3, 6388 sizeof(struct vki_fb_var_screeninfo)); 6389 break; 6390 case VKI_FBIOPUT_VSCREENINFO: 6391 PRE_MEM_READ( "ioctl(FBIOPUT_VSCREENINFO)", ARG3, 6392 sizeof(struct vki_fb_var_screeninfo)); 6393 break; 6394 case VKI_FBIOGET_FSCREENINFO: /* 0x4602 */ 6395 PRE_MEM_WRITE( "ioctl(FBIOGET_FSCREENINFO)", ARG3, 6396 sizeof(struct vki_fb_fix_screeninfo)); 6397 break; 6398 case VKI_FBIOPAN_DISPLAY: 6399 PRE_MEM_READ( "ioctl(FBIOPAN_DISPLAY)", ARG3, 6400 sizeof(struct vki_fb_var_screeninfo)); 6401 6402 break; 6403 case VKI_PPCLAIM: 6404 case VKI_PPEXCL: 6405 case VKI_PPYIELD: 6406 case VKI_PPRELEASE: 6407 break; 6408 case VKI_PPSETMODE: 6409 PRE_MEM_READ( "ioctl(PPSETMODE)", ARG3, sizeof(int) ); 6410 break; 6411 case VKI_PPGETMODE: 6412 PRE_MEM_WRITE( "ioctl(PPGETMODE)", ARG3, sizeof(int) ); 6413 break; 6414 case VKI_PPSETPHASE: 6415 PRE_MEM_READ( "ioctl(PPSETPHASE)", ARG3, sizeof(int) ); 6416 break; 6417 case VKI_PPGETPHASE: 6418 PRE_MEM_WRITE( "ioctl(PPGETPHASE)", ARG3, sizeof(int) ); 6419 break; 6420 case VKI_PPGETMODES: 6421 PRE_MEM_WRITE( "ioctl(PPGETMODES)", ARG3, sizeof(unsigned int) ); 6422 break; 6423 case VKI_PPSETFLAGS: 6424 PRE_MEM_READ( "ioctl(PPSETFLAGS)", ARG3, sizeof(int) ); 6425 break; 6426 case VKI_PPGETFLAGS: 6427 PRE_MEM_WRITE( "ioctl(PPGETFLAGS)", ARG3, sizeof(int) ); 6428 break; 6429 case VKI_PPRSTATUS: 6430 PRE_MEM_WRITE( "ioctl(PPRSTATUS)", ARG3, sizeof(unsigned char) ); 6431 break; 6432 case VKI_PPRDATA: 6433 PRE_MEM_WRITE( "ioctl(PPRDATA)", ARG3, sizeof(unsigned char) ); 6434 break; 6435 case VKI_PPRCONTROL: 6436 PRE_MEM_WRITE( "ioctl(PPRCONTROL)", ARG3, sizeof(unsigned char) ); 6437 break; 6438 case VKI_PPWDATA: 6439 PRE_MEM_READ( "ioctl(PPWDATA)", ARG3, sizeof(unsigned char) ); 6440 break; 6441 case VKI_PPWCONTROL: 6442 PRE_MEM_READ( "ioctl(PPWCONTROL)", ARG3, sizeof(unsigned char) ); 6443 break; 6444 case VKI_PPFCONTROL: 6445 PRE_MEM_READ( "ioctl(PPFCONTROL)", ARG3, 2 * sizeof(unsigned char) ); 6446 break; 6447 case VKI_PPDATADIR: 6448 PRE_MEM_READ( "ioctl(PPDATADIR)", ARG3, sizeof(int) ); 6449 break; 6450 case VKI_PPNEGOT: 6451 PRE_MEM_READ( "ioctl(PPNEGOT)", ARG3, sizeof(int) ); 6452 break; 6453 case VKI_PPWCTLONIRQ: 6454 PRE_MEM_READ( "ioctl(PPWCTLONIRQ)",ARG3, sizeof(unsigned char) ); 6455 break; 6456 case VKI_PPCLRIRQ: 6457 PRE_MEM_WRITE( "ioctl(PPCLRIRQ)", ARG3, sizeof(int) ); 6458 break; 6459 case VKI_PPSETTIME: 6460 PRE_MEM_READ( "ioctl(PPSETTIME)", ARG3, sizeof(struct vki_timeval) ); 6461 break; 6462 case VKI_PPGETTIME: 6463 PRE_MEM_WRITE( "ioctl(PPGETTIME)", ARG3, sizeof(struct vki_timeval) ); 6464 break; 6465 6466 case VKI_GIO_FONT: 6467 PRE_MEM_WRITE( "ioctl(GIO_FONT)", ARG3, 32 * 256 ); 6468 break; 6469 case VKI_PIO_FONT: 6470 PRE_MEM_READ( "ioctl(PIO_FONT)", ARG3, 32 * 256 ); 6471 break; 6472 6473 case VKI_GIO_FONTX: 6474 PRE_MEM_READ( "ioctl(GIO_FONTX)", ARG3, sizeof(struct vki_consolefontdesc) ); 6475 if ( ARG3 ) { 6476 /* ToDo: don't do any of the following if the structure is invalid */ 6477 struct vki_consolefontdesc *cfd = (struct vki_consolefontdesc *)ARG3; 6478 PRE_MEM_WRITE( "ioctl(GIO_FONTX).chardata", (Addr)cfd->chardata, 6479 32 * cfd->charcount ); 6480 } 6481 break; 6482 case VKI_PIO_FONTX: 6483 PRE_MEM_READ( "ioctl(PIO_FONTX)", ARG3, sizeof(struct vki_consolefontdesc) ); 6484 if ( ARG3 ) { 6485 /* ToDo: don't do any of the following if the structure is invalid */ 6486 struct vki_consolefontdesc *cfd = (struct vki_consolefontdesc *)ARG3; 6487 PRE_MEM_READ( "ioctl(PIO_FONTX).chardata", (Addr)cfd->chardata, 6488 32 * cfd->charcount ); 6489 } 6490 break; 6491 6492 case VKI_PIO_FONTRESET: 6493 break; 6494 6495 case VKI_GIO_CMAP: 6496 PRE_MEM_WRITE( "ioctl(GIO_CMAP)", ARG3, 16 * 3 ); 6497 break; 6498 case VKI_PIO_CMAP: 6499 PRE_MEM_READ( "ioctl(PIO_CMAP)", ARG3, 16 * 3 ); 6500 break; 6501 6502 case VKI_KIOCSOUND: 6503 case VKI_KDMKTONE: 6504 break; 6505 6506 case VKI_KDGETLED: 6507 PRE_MEM_WRITE( "ioctl(KDGETLED)", ARG3, sizeof(char) ); 6508 break; 6509 case VKI_KDSETLED: 6510 break; 6511 6512 case VKI_KDGKBTYPE: 6513 PRE_MEM_WRITE( "ioctl(KDGKBTYPE)", ARG3, sizeof(char) ); 6514 break; 6515 6516 case VKI_KDADDIO: 6517 case VKI_KDDELIO: 6518 case VKI_KDENABIO: 6519 case VKI_KDDISABIO: 6520 break; 6521 6522 case VKI_KDSETMODE: 6523 break; 6524 case VKI_KDGETMODE: 6525 PRE_MEM_WRITE( "ioctl(KDGETMODE)", ARG3, sizeof(int) ); 6526 break; 6527 6528 case VKI_KDMAPDISP: 6529 case VKI_KDUNMAPDISP: 6530 break; 6531 6532 case VKI_GIO_SCRNMAP: 6533 PRE_MEM_WRITE( "ioctl(GIO_SCRNMAP)", ARG3, VKI_E_TABSZ ); 6534 break; 6535 case VKI_PIO_SCRNMAP: 6536 PRE_MEM_READ( "ioctl(PIO_SCRNMAP)", ARG3, VKI_E_TABSZ ); 6537 break; 6538 case VKI_GIO_UNISCRNMAP: 6539 PRE_MEM_WRITE( "ioctl(GIO_UNISCRNMAP)", ARG3, 6540 VKI_E_TABSZ * sizeof(unsigned short) ); 6541 break; 6542 case VKI_PIO_UNISCRNMAP: 6543 PRE_MEM_READ( "ioctl(PIO_UNISCRNMAP)", ARG3, 6544 VKI_E_TABSZ * sizeof(unsigned short) ); 6545 break; 6546 6547 case VKI_GIO_UNIMAP: 6548 if ( ARG3 ) { 6549 struct vki_unimapdesc *desc = (struct vki_unimapdesc *) ARG3; 6550 PRE_MEM_READ( "ioctl(GIO_UNIMAP)", (Addr)&desc->entry_ct, 6551 sizeof(unsigned short)); 6552 PRE_MEM_READ( "ioctl(GIO_UNIMAP)", (Addr)&desc->entries, 6553 sizeof(struct vki_unipair *)); 6554 PRE_MEM_WRITE( "ioctl(GIO_UNIMAP).entries", (Addr)desc->entries, 6555 desc->entry_ct * sizeof(struct vki_unipair)); 6556 } 6557 break; 6558 case VKI_PIO_UNIMAP: 6559 if ( ARG3 ) { 6560 struct vki_unimapdesc *desc = (struct vki_unimapdesc *) ARG3; 6561 PRE_MEM_READ( "ioctl(GIO_UNIMAP)", (Addr)&desc->entry_ct, 6562 sizeof(unsigned short) ); 6563 PRE_MEM_READ( "ioctl(GIO_UNIMAP)", (Addr)&desc->entries, 6564 sizeof(struct vki_unipair *) ); 6565 PRE_MEM_READ( "ioctl(PIO_UNIMAP).entries", (Addr)desc->entries, 6566 desc->entry_ct * sizeof(struct vki_unipair) ); 6567 } 6568 break; 6569 case VKI_PIO_UNIMAPCLR: 6570 PRE_MEM_READ( "ioctl(GIO_UNIMAP)", ARG3, sizeof(struct vki_unimapinit)); 6571 break; 6572 6573 case VKI_KDGKBMODE: 6574 PRE_MEM_WRITE( "ioctl(KDGKBMODE)", ARG3, sizeof(int) ); 6575 break; 6576 case VKI_KDSKBMODE: 6577 break; 6578 6579 case VKI_KDGKBMETA: 6580 PRE_MEM_WRITE( "ioctl(KDGKBMETA)", ARG3, sizeof(int) ); 6581 break; 6582 case VKI_KDSKBMETA: 6583 break; 6584 6585 case VKI_KDGKBLED: 6586 PRE_MEM_WRITE( "ioctl(KDGKBLED)", ARG3, sizeof(char) ); 6587 break; 6588 case VKI_KDSKBLED: 6589 break; 6590 6591 case VKI_KDGKBENT: 6592 PRE_MEM_READ( "ioctl(KDGKBENT).kb_table", 6593 (Addr)&((struct vki_kbentry *)ARG3)->kb_table, 6594 sizeof(((struct vki_kbentry *)ARG3)->kb_table) ); 6595 PRE_MEM_READ( "ioctl(KDGKBENT).kb_index", 6596 (Addr)&((struct vki_kbentry *)ARG3)->kb_index, 6597 sizeof(((struct vki_kbentry *)ARG3)->kb_index) ); 6598 PRE_MEM_WRITE( "ioctl(KDGKBENT).kb_value", 6599 (Addr)&((struct vki_kbentry *)ARG3)->kb_value, 6600 sizeof(((struct vki_kbentry *)ARG3)->kb_value) ); 6601 break; 6602 case VKI_KDSKBENT: 6603 PRE_MEM_READ( "ioctl(KDSKBENT).kb_table", 6604 (Addr)&((struct vki_kbentry *)ARG3)->kb_table, 6605 sizeof(((struct vki_kbentry *)ARG3)->kb_table) ); 6606 PRE_MEM_READ( "ioctl(KDSKBENT).kb_index", 6607 (Addr)&((struct vki_kbentry *)ARG3)->kb_index, 6608 sizeof(((struct vki_kbentry *)ARG3)->kb_index) ); 6609 PRE_MEM_READ( "ioctl(KDSKBENT).kb_value", 6610 (Addr)&((struct vki_kbentry *)ARG3)->kb_value, 6611 sizeof(((struct vki_kbentry *)ARG3)->kb_value) ); 6612 break; 6613 6614 case VKI_KDGKBSENT: 6615 PRE_MEM_READ( "ioctl(KDGKBSENT).kb_func", 6616 (Addr)&((struct vki_kbsentry *)ARG3)->kb_func, 6617 sizeof(((struct vki_kbsentry *)ARG3)->kb_func) ); 6618 PRE_MEM_WRITE( "ioctl(KDGKSENT).kb_string", 6619 (Addr)((struct vki_kbsentry *)ARG3)->kb_string, 6620 sizeof(((struct vki_kbsentry *)ARG3)->kb_string) ); 6621 break; 6622 case VKI_KDSKBSENT: 6623 PRE_MEM_READ( "ioctl(KDSKBSENT).kb_func", 6624 (Addr)&((struct vki_kbsentry *)ARG3)->kb_func, 6625 sizeof(((struct vki_kbsentry *)ARG3)->kb_func) ); 6626 PRE_MEM_RASCIIZ( "ioctl(KDSKBSENT).kb_string", 6627 (Addr)((struct vki_kbsentry *)ARG3)->kb_string ); 6628 break; 6629 6630 case VKI_KDGKBDIACR: 6631 PRE_MEM_WRITE( "ioctl(KDGKBDIACR)", ARG3, sizeof(struct vki_kbdiacrs) ); 6632 break; 6633 case VKI_KDSKBDIACR: 6634 PRE_MEM_READ( "ioctl(KDSKBDIACR)", ARG3, sizeof(struct vki_kbdiacrs) ); 6635 break; 6636 6637 case VKI_KDGETKEYCODE: 6638 PRE_MEM_READ( "ioctl(KDGETKEYCODE).scancode", 6639 (Addr)&((struct vki_kbkeycode *)ARG3)->scancode, 6640 sizeof(((struct vki_kbkeycode *)ARG3)->scancode) ); 6641 PRE_MEM_WRITE( "ioctl(KDGETKEYCODE).keycode", 6642 (Addr)((struct vki_kbkeycode *)ARG3)->keycode, 6643 sizeof(((struct vki_kbkeycode *)ARG3)->keycode) ); 6644 break; 6645 case VKI_KDSETKEYCODE: 6646 PRE_MEM_READ( "ioctl(KDSETKEYCODE).scancode", 6647 (Addr)&((struct vki_kbkeycode *)ARG3)->scancode, 6648 sizeof(((struct vki_kbkeycode *)ARG3)->scancode) ); 6649 PRE_MEM_READ( "ioctl(KDSETKEYCODE).keycode", 6650 (Addr)((struct vki_kbkeycode *)ARG3)->keycode, 6651 sizeof(((struct vki_kbkeycode *)ARG3)->keycode) ); 6652 break; 6653 6654 case VKI_KDSIGACCEPT: 6655 break; 6656 6657 case VKI_KDKBDREP: 6658 PRE_MEM_READ( "ioctl(KBKBDREP)", ARG3, sizeof(struct vki_kbd_repeat) ); 6659 break; 6660 6661 case VKI_KDFONTOP: 6662 if ( ARG3 ) { 6663 struct vki_console_font_op *op = (struct vki_console_font_op *) ARG3; 6664 PRE_MEM_READ( "ioctl(KDFONTOP)", (Addr)op, 6665 sizeof(struct vki_console_font_op) ); 6666 switch ( op->op ) { 6667 case VKI_KD_FONT_OP_SET: 6668 PRE_MEM_READ( "ioctl(KDFONTOP,KD_FONT_OP_SET).data", 6669 (Addr)op->data, 6670 (op->width + 7) / 8 * 32 * op->charcount ); 6671 break; 6672 case VKI_KD_FONT_OP_GET: 6673 if ( op->data ) 6674 PRE_MEM_WRITE( "ioctl(KDFONTOP,KD_FONT_OP_GET).data", 6675 (Addr)op->data, 6676 (op->width + 7) / 8 * 32 * op->charcount ); 6677 break; 6678 case VKI_KD_FONT_OP_SET_DEFAULT: 6679 if ( op->data ) 6680 PRE_MEM_RASCIIZ( "ioctl(KDFONTOP,KD_FONT_OP_SET_DEFAULT).data", 6681 (Addr)op->data ); 6682 break; 6683 case VKI_KD_FONT_OP_COPY: 6684 break; 6685 } 6686 } 6687 break; 6688 6689 case VKI_VT_OPENQRY: 6690 PRE_MEM_WRITE( "ioctl(VT_OPENQRY)", ARG3, sizeof(int) ); 6691 break; 6692 case VKI_VT_GETMODE: 6693 PRE_MEM_WRITE( "ioctl(VT_GETMODE)", ARG3, sizeof(struct vki_vt_mode) ); 6694 break; 6695 case VKI_VT_SETMODE: 6696 PRE_MEM_READ( "ioctl(VT_SETMODE)", ARG3, sizeof(struct vki_vt_mode) ); 6697 break; 6698 case VKI_VT_GETSTATE: 6699 PRE_MEM_WRITE( "ioctl(VT_GETSTATE).v_active", 6700 (Addr) &(((struct vki_vt_stat*) ARG3)->v_active), 6701 sizeof(((struct vki_vt_stat*) ARG3)->v_active)); 6702 PRE_MEM_WRITE( "ioctl(VT_GETSTATE).v_state", 6703 (Addr) &(((struct vki_vt_stat*) ARG3)->v_state), 6704 sizeof(((struct vki_vt_stat*) ARG3)->v_state)); 6705 break; 6706 case VKI_VT_RELDISP: 6707 case VKI_VT_ACTIVATE: 6708 case VKI_VT_WAITACTIVE: 6709 case VKI_VT_DISALLOCATE: 6710 break; 6711 case VKI_VT_RESIZE: 6712 PRE_MEM_READ( "ioctl(VT_RESIZE)", ARG3, sizeof(struct vki_vt_sizes) ); 6713 break; 6714 case VKI_VT_RESIZEX: 6715 PRE_MEM_READ( "ioctl(VT_RESIZEX)", ARG3, sizeof(struct vki_vt_consize) ); 6716 break; 6717 case VKI_VT_LOCKSWITCH: 6718 case VKI_VT_UNLOCKSWITCH: 6719 break; 6720 6721 case VKI_USBDEVFS_CONTROL: 6722 if ( ARG3 ) { 6723 struct vki_usbdevfs_ctrltransfer *vkuc = (struct vki_usbdevfs_ctrltransfer *)ARG3; 6724 PRE_MEM_READ( "ioctl(USBDEVFS_CONTROL).bRequestType", (Addr)&vkuc->bRequestType, sizeof(vkuc->bRequestType)); 6725 PRE_MEM_READ( "ioctl(USBDEVFS_CONTROL).bRequest", (Addr)&vkuc->bRequest, sizeof(vkuc->bRequest)); 6726 PRE_MEM_READ( "ioctl(USBDEVFS_CONTROL).wValue", (Addr)&vkuc->wValue, sizeof(vkuc->wValue)); 6727 PRE_MEM_READ( "ioctl(USBDEVFS_CONTROL).wIndex", (Addr)&vkuc->wIndex, sizeof(vkuc->wIndex)); 6728 PRE_MEM_READ( "ioctl(USBDEVFS_CONTROL).wLength", (Addr)&vkuc->wLength, sizeof(vkuc->wLength)); 6729 PRE_MEM_READ( "ioctl(USBDEVFS_CONTROL).timeout", (Addr)&vkuc->timeout, sizeof(vkuc->timeout)); 6730 if (vkuc->bRequestType & 0x80) 6731 PRE_MEM_WRITE( "ioctl(USBDEVFS_CONTROL).data", (Addr)vkuc->data, vkuc->wLength); 6732 else 6733 PRE_MEM_READ( "ioctl(USBDEVFS_CONTROL).data", (Addr)vkuc->data, vkuc->wLength); 6734 } 6735 break; 6736 case VKI_USBDEVFS_BULK: 6737 if ( ARG3 ) { 6738 struct vki_usbdevfs_bulktransfer *vkub = (struct vki_usbdevfs_bulktransfer *)ARG3; 6739 PRE_MEM_READ( "ioctl(USBDEVFS_BULK)", ARG3, sizeof(struct vki_usbdevfs_bulktransfer)); 6740 if (vkub->ep & 0x80) 6741 PRE_MEM_WRITE( "ioctl(USBDEVFS_BULK).data", (Addr)vkub->data, vkub->len); 6742 else 6743 PRE_MEM_READ( "ioctl(USBDEVFS_BULK).data", (Addr)vkub->data, vkub->len); 6744 } 6745 break; 6746 case VKI_USBDEVFS_GETDRIVER: 6747 if ( ARG3 ) { 6748 struct vki_usbdevfs_getdriver *vkugd = (struct vki_usbdevfs_getdriver *) ARG3; 6749 PRE_MEM_WRITE( "ioctl(USBDEVFS_GETDRIVER)", (Addr)&vkugd->driver, sizeof(vkugd->driver)); 6750 } 6751 break; 6752 case VKI_USBDEVFS_SUBMITURB: 6753 if ( ARG3 ) { 6754 struct vki_usbdevfs_urb *vkuu = (struct vki_usbdevfs_urb *)ARG3; 6755 6756 /* Not the whole struct needs to be initialized */ 6757 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).endpoint", (Addr)&vkuu->endpoint, sizeof(vkuu->endpoint)); 6758 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).type", (Addr)&vkuu->type, sizeof(vkuu->type)); 6759 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).flags", (Addr)&vkuu->flags, sizeof(vkuu->flags)); 6760 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).buffer", (Addr)&vkuu->buffer, sizeof(vkuu->buffer)); 6761 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).signr", (Addr)&vkuu->signr, sizeof(vkuu->signr)); 6762 PRE_MEM_WRITE( "ioctl(USBDEVFS_SUBMITURB).status", (Addr)&vkuu->status, sizeof(vkuu->status)); 6763 if (vkuu->type == VKI_USBDEVFS_URB_TYPE_CONTROL) { 6764 struct vki_usbdevfs_setuppacket *vkusp = (struct vki_usbdevfs_setuppacket *)vkuu->buffer; 6765 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).buffer_length", (Addr)&vkuu->buffer_length, sizeof(vkuu->buffer_length)); 6766 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).buffer.setup_packet", (Addr)vkusp, sizeof(*vkusp)); 6767 if (vkusp->bRequestType & 0x80) 6768 PRE_MEM_WRITE( "ioctl(USBDEVFS_SUBMITURB).buffer.data", (Addr)(vkusp+1), vkuu->buffer_length - sizeof(*vkusp)); 6769 else 6770 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).buffer.data", (Addr)(vkusp+1), vkuu->buffer_length - sizeof(*vkusp)); 6771 PRE_MEM_WRITE( "ioctl(USBDEVFS_SUBMITURB).actual_length", (Addr)&vkuu->actual_length, sizeof(vkuu->actual_length)); 6772 } else if (vkuu->type == VKI_USBDEVFS_URB_TYPE_ISO) { 6773 int total_length = 0; 6774 int i; 6775 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).number_of_packets", (Addr)&vkuu->number_of_packets, sizeof(vkuu->number_of_packets)); 6776 for(i=0; i<vkuu->number_of_packets; i++) { 6777 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).iso_frame_desc[].length", (Addr)&vkuu->iso_frame_desc[i].length, sizeof(vkuu->iso_frame_desc[i].length)); 6778 PRE_MEM_WRITE( "ioctl(USBDEVFS_SUBMITURB).iso_frame_desc[].actual_length", (Addr)&vkuu->iso_frame_desc[i].actual_length, sizeof(vkuu->iso_frame_desc[i].actual_length)); 6779 PRE_MEM_WRITE( "ioctl(USBDEVFS_SUBMITURB).iso_frame_desc[].status", (Addr)&vkuu->iso_frame_desc[i].status, sizeof(vkuu->iso_frame_desc[i].status)); 6780 total_length += vkuu->iso_frame_desc[i].length; 6781 } 6782 if (vkuu->endpoint & 0x80) 6783 PRE_MEM_WRITE( "ioctl(USBDEVFS_SUBMITURB).buffer", (Addr)vkuu->buffer, total_length); 6784 else 6785 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).buffer", (Addr)vkuu->buffer, total_length); 6786 PRE_MEM_WRITE( "ioctl(USBDEVFS_SUBMITURB).error_count", (Addr)&vkuu->error_count, sizeof(vkuu->error_count)); 6787 } else { 6788 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).buffer_length", (Addr)&vkuu->buffer_length, sizeof(vkuu->buffer_length)); 6789 if (vkuu->endpoint & 0x80) 6790 PRE_MEM_WRITE( "ioctl(USBDEVFS_SUBMITURB).buffer", (Addr)vkuu->buffer, vkuu->buffer_length); 6791 else 6792 PRE_MEM_READ( "ioctl(USBDEVFS_SUBMITURB).buffer", (Addr)vkuu->buffer, vkuu->buffer_length); 6793 PRE_MEM_WRITE( "ioctl(USBDEVFS_SUBMITURB).actual_length", (Addr)&vkuu->actual_length, sizeof(vkuu->actual_length)); 6794 } 6795 } 6796 break; 6797 case VKI_USBDEVFS_DISCARDURB: 6798 break; 6799 case VKI_USBDEVFS_REAPURB: 6800 if ( ARG3 ) { 6801 PRE_MEM_WRITE( "ioctl(USBDEVFS_REAPURB)", ARG3, sizeof(struct vki_usbdevfs_urb **)); 6802 } 6803 break; 6804 case VKI_USBDEVFS_REAPURBNDELAY: 6805 if ( ARG3 ) { 6806 PRE_MEM_WRITE( "ioctl(USBDEVFS_REAPURBNDELAY)", ARG3, sizeof(struct vki_usbdevfs_urb **)); 6807 } 6808 break; 6809 case VKI_USBDEVFS_CONNECTINFO: 6810 PRE_MEM_WRITE( "ioctl(USBDEVFS_CONNECTINFO)", ARG3, sizeof(struct vki_usbdevfs_connectinfo)); 6811 break; 6812 case VKI_USBDEVFS_IOCTL: 6813 if ( ARG3 ) { 6814 struct vki_usbdevfs_ioctl *vkui = (struct vki_usbdevfs_ioctl *)ARG3; 6815 UInt dir2, size2; 6816 PRE_MEM_READ("ioctl(USBDEVFS_IOCTL)", (Addr)vkui, sizeof(struct vki_usbdevfs_ioctl)); 6817 dir2 = _VKI_IOC_DIR(vkui->ioctl_code); 6818 size2 = _VKI_IOC_SIZE(vkui->ioctl_code); 6819 if (size2 > 0) { 6820 if (dir2 & _VKI_IOC_WRITE) 6821 PRE_MEM_READ("ioctl(USBDEVFS_IOCTL).dataWrite", (Addr)vkui->data, size2); 6822 else if (dir2 & _VKI_IOC_READ) 6823 PRE_MEM_WRITE("ioctl(USBDEVFS_IOCTL).dataRead", (Addr)vkui->data, size2); 6824 } 6825 } 6826 break; 6827 case VKI_USBDEVFS_RESET: 6828 break; 6829 6830 /* I2C (/dev/i2c-*) ioctls */ 6831 case VKI_I2C_SLAVE: 6832 case VKI_I2C_SLAVE_FORCE: 6833 case VKI_I2C_TENBIT: 6834 case VKI_I2C_PEC: 6835 break; 6836 case VKI_I2C_FUNCS: 6837 PRE_MEM_WRITE( "ioctl(I2C_FUNCS)", ARG3, sizeof(unsigned long) ); 6838 break; 6839 case VKI_I2C_RDWR: 6840 if ( ARG3 ) { 6841 struct vki_i2c_rdwr_ioctl_data *vkui = (struct vki_i2c_rdwr_ioctl_data *)ARG3; 6842 UInt i; 6843 PRE_MEM_READ("ioctl(I2C_RDWR)", (Addr)vkui, sizeof(struct vki_i2c_rdwr_ioctl_data)); 6844 for (i=0; i < vkui->nmsgs; i++) { 6845 struct vki_i2c_msg *msg = vkui->msgs + i; 6846 PRE_MEM_READ("ioctl(I2C_RDWR).msgs", (Addr)msg, sizeof(struct vki_i2c_msg)); 6847 if (msg->flags & VKI_I2C_M_RD) 6848 PRE_MEM_WRITE("ioctl(I2C_RDWR).msgs.buf", (Addr)msg->buf, msg->len); 6849 else 6850 PRE_MEM_READ("ioctl(I2C_RDWR).msgs.buf", (Addr)msg->buf, msg->len); 6851 } 6852 } 6853 break; 6854 case VKI_I2C_SMBUS: 6855 if ( ARG3 ) { 6856 struct vki_i2c_smbus_ioctl_data *vkis 6857 = (struct vki_i2c_smbus_ioctl_data *) ARG3; 6858 PRE_MEM_READ("ioctl(VKI_I2C_SMBUS).i2c_smbus_ioctl_data.read_write", 6859 (Addr)&vkis->read_write, sizeof(vkis->read_write)); 6860 PRE_MEM_READ("ioctl(VKI_I2C_SMBUS).i2c_smbus_ioctl_data.size", 6861 (Addr)&vkis->size, sizeof(vkis->size)); 6862 PRE_MEM_READ("ioctl(VKI_I2C_SMBUS).i2c_smbus_ioctl_data.command", 6863 (Addr)&vkis->command, sizeof(vkis->command)); 6864 /* i2c_smbus_write_quick hides its value in read_write, so 6865 this variable can have a different meaning */ 6866 /* to make matters worse i2c_smbus_write_byte stores its 6867 value in command */ 6868 if ( ! ((vkis->size == VKI_I2C_SMBUS_QUICK) || 6869 ((vkis->size == VKI_I2C_SMBUS_BYTE) 6870 && (vkis->read_write == VKI_I2C_SMBUS_WRITE)))) { 6871 /* the rest uses the byte array to store the data, 6872 some the first byte for size */ 6873 UInt size; 6874 switch(vkis->size) { 6875 case VKI_I2C_SMBUS_BYTE_DATA: 6876 size = 1; 6877 break; 6878 case VKI_I2C_SMBUS_WORD_DATA: 6879 case VKI_I2C_SMBUS_PROC_CALL: 6880 size = 2; 6881 break; 6882 case VKI_I2C_SMBUS_BLOCK_DATA: 6883 case VKI_I2C_SMBUS_I2C_BLOCK_BROKEN: 6884 case VKI_I2C_SMBUS_BLOCK_PROC_CALL: 6885 case VKI_I2C_SMBUS_I2C_BLOCK_DATA: 6886 size = 1 + vkis->data->block[0]; 6887 break; 6888 default: 6889 size = 0; 6890 } 6891 6892 if ((vkis->read_write == VKI_I2C_SMBUS_READ) 6893 || (vkis->size == VKI_I2C_SMBUS_PROC_CALL) 6894 || (vkis->size == VKI_I2C_SMBUS_BLOCK_PROC_CALL)) 6895 PRE_MEM_WRITE("ioctl(VKI_I2C_SMBUS)" 6896 ".i2c_smbus_ioctl_data.data", 6897 (Addr)&vkis->data->block[0], size); 6898 else 6899 PRE_MEM_READ("ioctl(VKI_I2C_SMBUS)." 6900 "i2c_smbus_ioctl_data.data", 6901 (Addr)&vkis->data->block[0], size); 6902 } 6903 } 6904 break; 6905 6906 /* Wireless extensions ioctls */ 6907 case VKI_SIOCSIWCOMMIT: 6908 case VKI_SIOCSIWNWID: 6909 case VKI_SIOCSIWFREQ: 6910 case VKI_SIOCSIWMODE: 6911 case VKI_SIOCSIWSENS: 6912 case VKI_SIOCSIWRANGE: 6913 case VKI_SIOCSIWPRIV: 6914 case VKI_SIOCSIWSTATS: 6915 case VKI_SIOCSIWSPY: 6916 case VKI_SIOCSIWTHRSPY: 6917 case VKI_SIOCSIWAP: 6918 case VKI_SIOCSIWSCAN: 6919 case VKI_SIOCSIWESSID: 6920 case VKI_SIOCSIWRATE: 6921 case VKI_SIOCSIWNICKN: 6922 case VKI_SIOCSIWRTS: 6923 case VKI_SIOCSIWFRAG: 6924 case VKI_SIOCSIWTXPOW: 6925 case VKI_SIOCSIWRETRY: 6926 case VKI_SIOCSIWENCODE: 6927 case VKI_SIOCSIWPOWER: 6928 case VKI_SIOCSIWGENIE: 6929 case VKI_SIOCSIWMLME: 6930 case VKI_SIOCSIWAUTH: 6931 case VKI_SIOCSIWENCODEEXT: 6932 case VKI_SIOCSIWPMKSA: 6933 break; 6934 case VKI_SIOCGIWNAME: 6935 if (ARG3) { 6936 PRE_MEM_WRITE("ioctl(SIOCGIWNAME)", 6937 (Addr)((struct vki_iwreq *)ARG3)->u.name, 6938 sizeof(((struct vki_iwreq *)ARG3)->u.name)); 6939 } 6940 break; 6941 case VKI_SIOCGIWNWID: 6942 case VKI_SIOCGIWSENS: 6943 case VKI_SIOCGIWRATE: 6944 case VKI_SIOCGIWRTS: 6945 case VKI_SIOCGIWFRAG: 6946 case VKI_SIOCGIWTXPOW: 6947 case VKI_SIOCGIWRETRY: 6948 case VKI_SIOCGIWPOWER: 6949 case VKI_SIOCGIWAUTH: 6950 if (ARG3) { 6951 PRE_MEM_WRITE("ioctl(SIOCGIW[NWID|SENS|RATE|RTS|FRAG|TXPOW|" 6952 "RETRY|PARAM|AUTH])", 6953 (Addr)&((struct vki_iwreq *)ARG3)->u.nwid, 6954 sizeof(struct vki_iw_param)); 6955 } 6956 break; 6957 case VKI_SIOCGIWFREQ: 6958 if (ARG3) { 6959 PRE_MEM_WRITE("ioctl(SIOCGIWFREQ", 6960 (Addr)&((struct vki_iwreq *)ARG3)->u.freq, 6961 sizeof(struct vki_iw_freq)); 6962 } 6963 break; 6964 case VKI_SIOCGIWMODE: 6965 if (ARG3) { 6966 PRE_MEM_WRITE("ioctl(SIOCGIWMODE", 6967 (Addr)&((struct vki_iwreq *)ARG3)->u.mode, 6968 sizeof(__vki_u32)); 6969 } 6970 break; 6971 case VKI_SIOCGIWRANGE: 6972 case VKI_SIOCGIWPRIV: 6973 case VKI_SIOCGIWSTATS: 6974 case VKI_SIOCGIWSPY: 6975 case VKI_SIOCGIWTHRSPY: 6976 case VKI_SIOCGIWAPLIST: 6977 case VKI_SIOCGIWSCAN: 6978 case VKI_SIOCGIWESSID: 6979 case VKI_SIOCGIWNICKN: 6980 case VKI_SIOCGIWENCODE: 6981 case VKI_SIOCGIWGENIE: 6982 case VKI_SIOCGIWENCODEEXT: 6983 if (ARG3) { 6984 struct vki_iw_point* point; 6985 point = &((struct vki_iwreq *)ARG3)->u.data; 6986 PRE_MEM_WRITE("ioctl(SIOCGIW[RANGE|PRIV|STATS|SPY|THRSPY|" 6987 "APLIST|SCAN|ESSID|NICKN|ENCODE|GENIE|ENCODEEXT])", 6988 (Addr)point->pointer, point->length); 6989 } 6990 break; 6991 case VKI_SIOCGIWAP: 6992 if (ARG3) { 6993 PRE_MEM_WRITE("ioctl(SIOCGIWAP)", 6994 (Addr)&((struct vki_iwreq *)ARG3)->u.ap_addr, 6995 sizeof(struct vki_sockaddr)); 6996 } 6997 break; 6998 6999 /* User input device creation */ 7000 case VKI_UI_SET_EVBIT: 7001 case VKI_UI_SET_KEYBIT: 7002 case VKI_UI_SET_RELBIT: 7003 case VKI_UI_SET_ABSBIT: 7004 case VKI_UI_SET_MSCBIT: 7005 case VKI_UI_SET_LEDBIT: 7006 case VKI_UI_SET_SNDBIT: 7007 case VKI_UI_SET_FFBIT: 7008 case VKI_UI_SET_SWBIT: 7009 case VKI_UI_SET_PROPBIT: 7010 /* These just take an int by value */ 7011 break; 7012 7013 # if defined(VGPV_arm_linux_android) || defined(VGPV_x86_linux_android) \ 7014 || defined(VGPV_mips32_linux_android) 7015 /* ashmem */ 7016 case VKI_ASHMEM_GET_SIZE: 7017 case VKI_ASHMEM_SET_SIZE: 7018 case VKI_ASHMEM_GET_PROT_MASK: 7019 case VKI_ASHMEM_SET_PROT_MASK: 7020 case VKI_ASHMEM_GET_PIN_STATUS: 7021 case VKI_ASHMEM_PURGE_ALL_CACHES: 7022 break; 7023 case VKI_ASHMEM_GET_NAME: 7024 PRE_MEM_WRITE( "ioctl(ASHMEM_SET_NAME)", ARG3, VKI_ASHMEM_NAME_LEN ); 7025 break; 7026 case VKI_ASHMEM_SET_NAME: 7027 PRE_MEM_RASCIIZ( "ioctl(ASHMEM_SET_NAME)", ARG3); 7028 break; 7029 case VKI_ASHMEM_PIN: 7030 case VKI_ASHMEM_UNPIN: 7031 PRE_MEM_READ( "ioctl(ASHMEM_PIN|ASHMEM_UNPIN)", 7032 ARG3, sizeof(struct vki_ashmem_pin) ); 7033 break; 7034 7035 /* binder */ 7036 case VKI_BINDER_WRITE_READ: 7037 if (ARG3) { 7038 struct vki_binder_write_read* bwr 7039 = (struct vki_binder_write_read*)ARG3; 7040 7041 PRE_FIELD_READ("ioctl(BINDER_WRITE_READ).write_buffer", 7042 bwr->write_buffer); 7043 PRE_FIELD_READ("ioctl(BINDER_WRITE_READ).write_size", 7044 bwr->write_size); 7045 PRE_FIELD_READ("ioctl(BINDER_WRITE_READ).write_consumed", 7046 bwr->write_consumed); 7047 PRE_FIELD_READ("ioctl(BINDER_WRITE_READ).read_buffer", 7048 bwr->read_buffer); 7049 PRE_FIELD_READ("ioctl(BINDER_WRITE_READ).read_size", 7050 bwr->read_size); 7051 PRE_FIELD_READ("ioctl(BINDER_WRITE_READ).read_consumed", 7052 bwr->read_consumed); 7053 7054 PRE_FIELD_WRITE("ioctl(BINDER_WRITE_READ).write_consumed", 7055 bwr->write_consumed); 7056 PRE_FIELD_WRITE("ioctl(BINDER_WRITE_READ).read_consumed", 7057 bwr->read_consumed); 7058 7059 if (bwr->read_size) 7060 PRE_MEM_WRITE("ioctl(BINDER_WRITE_READ).read_buffer[]", 7061 (Addr)bwr->read_buffer, bwr->read_size); 7062 if (bwr->write_size) 7063 PRE_MEM_READ("ioctl(BINDER_WRITE_READ).write_buffer[]", 7064 (Addr)bwr->write_buffer, bwr->write_size); 7065 } 7066 break; 7067 7068 case VKI_BINDER_SET_IDLE_TIMEOUT: 7069 case VKI_BINDER_SET_MAX_THREADS: 7070 case VKI_BINDER_SET_IDLE_PRIORITY: 7071 case VKI_BINDER_SET_CONTEXT_MGR: 7072 case VKI_BINDER_THREAD_EXIT: 7073 break; 7074 case VKI_BINDER_VERSION: 7075 if (ARG3) { 7076 struct vki_binder_version* bv = (struct vki_binder_version*)ARG3; 7077 PRE_FIELD_WRITE("ioctl(BINDER_VERSION)", bv->protocol_version); 7078 } 7079 break; 7080 # endif /* defined(VGPV_*_linux_android) */ 7081 7082 case VKI_HCIGETDEVLIST: 7083 if (ARG3) { 7084 struct vki_hci_dev_list_req* dlr = (struct vki_hci_dev_list_req*)ARG3; 7085 PRE_MEM_READ("ioctl(HCIGETDEVLIST)", 7086 (Addr)ARG3, sizeof(struct vki_hci_dev_list_req)); 7087 PRE_MEM_WRITE("ioctl(HCIGETDEVLIST)", 7088 (Addr)ARG3 + sizeof(struct vki_hci_dev_list_req), 7089 dlr->dev_num * sizeof(struct vki_hci_dev_req)); 7090 } 7091 break; 7092 7093 case VKI_HCIINQUIRY: 7094 if (ARG3) { 7095 struct vki_hci_inquiry_req* ir = (struct vki_hci_inquiry_req*)ARG3; 7096 PRE_MEM_READ("ioctl(HCIINQUIRY)", 7097 (Addr)ARG3, sizeof(struct vki_hci_inquiry_req)); 7098 PRE_MEM_WRITE("ioctl(HCIINQUIRY)", 7099 (Addr)ARG3 + sizeof(struct vki_hci_inquiry_req), 7100 ir->num_rsp * sizeof(struct vki_inquiry_info)); 7101 } 7102 break; 7103 7104 case VKI_DRM_IOCTL_VERSION: 7105 if (ARG3) { 7106 struct vki_drm_version *data = (struct vki_drm_version *)ARG3; 7107 PRE_MEM_WRITE("ioctl(DRM_VERSION).version_major", (Addr)&data->version_major, sizeof(data->version_major)); 7108 PRE_MEM_WRITE("ioctl(DRM_VERSION).version_minor", (Addr)&data->version_minor, sizeof(data->version_minor)); 7109 PRE_MEM_WRITE("ioctl(DRM_VERSION).version_patchlevel", (Addr)&data->version_patchlevel, sizeof(data->version_patchlevel)); 7110 PRE_MEM_READ("ioctl(DRM_VERSION).name_len", (Addr)&data->name_len, sizeof(data->name_len)); 7111 PRE_MEM_READ("ioctl(DRM_VERSION).name", (Addr)&data->name, sizeof(data->name)); 7112 PRE_MEM_WRITE("ioctl(DRM_VERSION).name", (Addr)data->name, data->name_len); 7113 PRE_MEM_READ("ioctl(DRM_VERSION).date_len", (Addr)&data->date_len, sizeof(data->date_len)); 7114 PRE_MEM_READ("ioctl(DRM_VERSION).date", (Addr)&data->date, sizeof(data->date)); 7115 PRE_MEM_WRITE("ioctl(DRM_VERSION).date", (Addr)data->date, data->date_len); 7116 PRE_MEM_READ("ioctl(DRM_VERSION).desc_len", (Addr)&data->desc_len, sizeof(data->desc_len)); 7117 PRE_MEM_READ("ioctl(DRM_VERSION).desc", (Addr)&data->desc, sizeof(data->desc)); 7118 PRE_MEM_WRITE("ioctl(DRM_VERSION).desc", (Addr)data->desc, data->desc_len); 7119 } 7120 break; 7121 case VKI_DRM_IOCTL_GET_UNIQUE: 7122 if (ARG3) { 7123 struct vki_drm_unique *data = (struct vki_drm_unique *)ARG3; 7124 PRE_MEM_READ("ioctl(DRM_GET_UNIQUE).unique_len", (Addr)&data->unique_len, sizeof(data->unique_len)); 7125 PRE_MEM_READ("ioctl(DRM_GET_UNIQUE).unique", (Addr)&data->unique, sizeof(data->unique)); 7126 PRE_MEM_WRITE("ioctl(DRM_GET_UNIQUE).unique", (Addr)data->unique, data->unique_len); 7127 } 7128 break; 7129 case VKI_DRM_IOCTL_GET_MAGIC: 7130 if (ARG3) { 7131 struct vki_drm_auth *data = (struct vki_drm_auth *)ARG3; 7132 PRE_MEM_WRITE("ioctl(DRM_GET_MAGIC).magic", (Addr)&data->magic, sizeof(data->magic)); 7133 } 7134 break; 7135 case VKI_DRM_IOCTL_WAIT_VBLANK: 7136 if (ARG3) { 7137 union vki_drm_wait_vblank *data = (union vki_drm_wait_vblank *)ARG3; 7138 PRE_MEM_READ("ioctl(DRM_WAIT_VBLANK).request.type", (Addr)&data->request.type, sizeof(data->request.type)); 7139 PRE_MEM_READ("ioctl(DRM_WAIT_VBLANK).request.sequence", (Addr)&data->request.sequence, sizeof(data->request.sequence)); 7140 /* XXX: It seems request.signal isn't used */ 7141 PRE_MEM_WRITE("ioctl(DRM_WAIT_VBLANK).reply", (Addr)&data->reply, sizeof(data->reply)); 7142 } 7143 break; 7144 case VKI_DRM_IOCTL_GEM_CLOSE: 7145 if (ARG3) { 7146 struct vki_drm_gem_close *data = (struct vki_drm_gem_close *)ARG3; 7147 PRE_MEM_READ("ioctl(DRM_GEM_CLOSE).handle", (Addr)&data->handle, sizeof(data->handle)); 7148 } 7149 break; 7150 case VKI_DRM_IOCTL_GEM_FLINK: 7151 if (ARG3) { 7152 struct vki_drm_gem_flink *data = (struct vki_drm_gem_flink *)ARG3; 7153 PRE_MEM_READ("ioctl(DRM_GEM_FLINK).handle", (Addr)&data->handle, sizeof(data->handle)); 7154 PRE_MEM_WRITE("ioctl(DRM_GEM_FLINK).name", (Addr)&data->name, sizeof(data->name)); 7155 } 7156 break; 7157 case VKI_DRM_IOCTL_GEM_OPEN: 7158 if (ARG3) { 7159 struct vki_drm_gem_open *data = (struct vki_drm_gem_open *)ARG3; 7160 PRE_MEM_READ("ioctl(DRM_GEM_OPEN).name", (Addr)&data->name, sizeof(data->name)); 7161 PRE_MEM_WRITE("ioctl(DRM_GEM_OPEN).handle", (Addr)&data->handle, sizeof(data->handle)); 7162 PRE_MEM_WRITE("ioctl(DRM_GEM_OPEN).size", (Addr)&data->size, sizeof(data->size)); 7163 } 7164 break; 7165 case VKI_DRM_IOCTL_I915_GETPARAM: 7166 if (ARG3) { 7167 vki_drm_i915_getparam_t *data = (vki_drm_i915_getparam_t *)ARG3; 7168 PRE_MEM_READ("ioctl(DRM_I915_GETPARAM).param", (Addr)&data->param, sizeof(data->param)); 7169 PRE_MEM_WRITE("ioctl(DRM_I915_GETPARAM).value", (Addr)data->value, sizeof(int)); 7170 } 7171 break; 7172 case VKI_DRM_IOCTL_I915_GEM_BUSY: 7173 if (ARG3) { 7174 struct vki_drm_i915_gem_busy *data = (struct vki_drm_i915_gem_busy *)ARG3; 7175 PRE_MEM_READ("ioctl(DRM_I915_GEM_BUSY).handle", (Addr)&data->handle, sizeof(data->handle)); 7176 PRE_MEM_WRITE("ioctl(DRM_I915_GEM_BUSY).busy", (Addr)&data->busy, sizeof(data->busy)); 7177 } 7178 break; 7179 case VKI_DRM_IOCTL_I915_GEM_CREATE: 7180 if (ARG3) { 7181 struct vki_drm_i915_gem_create *data = (struct vki_drm_i915_gem_create *)ARG3; 7182 PRE_MEM_READ("ioctl(DRM_I915_GEM_CREATE).size", (Addr)&data->size, sizeof(data->size)); 7183 PRE_MEM_WRITE("ioctl(DRM_I915_GEM_CREATE).handle", (Addr)&data->handle, sizeof(data->handle)); 7184 } 7185 break; 7186 case VKI_DRM_IOCTL_I915_GEM_PREAD: 7187 if (ARG3) { 7188 struct vki_drm_i915_gem_pread *data = (struct vki_drm_i915_gem_pread *)ARG3; 7189 PRE_MEM_READ("ioctl(DRM_I915_GEM_PREAD).handle", (Addr)&data->handle, sizeof(data->handle)); 7190 PRE_MEM_READ("ioctl(DRM_I915_GEM_PREAD).offset", (Addr)&data->offset, sizeof(data->offset)); 7191 PRE_MEM_READ("ioctl(DRM_I915_GEM_PREAD).size", (Addr)&data->size, sizeof(data->size)); 7192 PRE_MEM_READ("ioctl(DRM_I915_GEM_PREAD).data_ptr", (Addr)&data->data_ptr, sizeof(data->data_ptr)); 7193 PRE_MEM_WRITE("ioctl(DRM_I915_GEM_PREAD).data_ptr", (Addr)data->data_ptr, data->size); 7194 } 7195 break; 7196 case VKI_DRM_IOCTL_I915_GEM_PWRITE: 7197 if (ARG3) { 7198 struct vki_drm_i915_gem_pwrite *data = (struct vki_drm_i915_gem_pwrite *)ARG3; 7199 PRE_MEM_READ("ioctl(DRM_I915_GEM_PWRITE).handle", (Addr)&data->handle, sizeof(data->handle)); 7200 PRE_MEM_READ("ioctl(DRM_I915_GEM_PWRITE).offset", (Addr)&data->offset, sizeof(data->offset)); 7201 PRE_MEM_READ("ioctl(DRM_I915_GEM_PWRITE).size", (Addr)&data->size, sizeof(data->size)); 7202 PRE_MEM_READ("ioctl(DRM_I915_GEM_PWRITE).data_ptr", (Addr)&data->data_ptr, sizeof(data->data_ptr)); 7203 /* PRE_MEM_READ("ioctl(DRM_I915_GEM_PWRITE).data_ptr", (Addr)data->data_ptr, data->size); 7204 * NB: the buffer is allowed to contain any amount of uninitialized data (e.g. 7205 * interleaved vertex attributes may have a wide stride with uninitialized data between 7206 * consecutive vertices) */ 7207 } 7208 break; 7209 case VKI_DRM_IOCTL_I915_GEM_MMAP_GTT: 7210 if (ARG3) { 7211 struct vki_drm_i915_gem_mmap_gtt *data = (struct vki_drm_i915_gem_mmap_gtt *)ARG3; 7212 PRE_MEM_READ("ioctl(DRM_I915_GEM_MMAP_GTT).handle", (Addr)&data->handle, sizeof(data->handle)); 7213 PRE_MEM_WRITE("ioctl(DRM_I915_GEM_MMAP_GTT).offset", (Addr)&data->offset, sizeof(data->offset)); 7214 } 7215 break; 7216 case VKI_DRM_IOCTL_I915_GEM_SET_DOMAIN: 7217 if (ARG3) { 7218 struct vki_drm_i915_gem_set_domain *data = (struct vki_drm_i915_gem_set_domain *)ARG3; 7219 PRE_MEM_READ("ioctl(DRM_I915_GEM_SET_DOMAIN).handle", (Addr)&data->handle, sizeof(data->handle)); 7220 PRE_MEM_READ("ioctl(DRM_I915_GEM_SET_DOMAIN).read_domains", (Addr)&data->read_domains, sizeof(data->read_domains)); 7221 PRE_MEM_READ("ioctl(DRM_I915_GEM_SET_DOMAIN).write_domain", (Addr)&data->write_domain, sizeof(data->write_domain)); 7222 } 7223 break; 7224 case VKI_DRM_IOCTL_I915_GEM_SET_TILING: 7225 if (ARG3) { 7226 struct vki_drm_i915_gem_set_tiling *data = (struct vki_drm_i915_gem_set_tiling *)ARG3; 7227 PRE_MEM_READ("ioctl(DRM_I915_GEM_SET_TILING).handle", (Addr)&data->handle, sizeof(data->handle)); 7228 PRE_MEM_READ("ioctl(DRM_I915_GEM_SET_TILING).tiling_mode", (Addr)&data->tiling_mode, sizeof(data->tiling_mode)); 7229 PRE_MEM_READ("ioctl(DRM_I915_GEM_SET_TILING).stride", (Addr)&data->stride, sizeof(data->stride)); 7230 PRE_MEM_WRITE("ioctl(DRM_I915_GEM_SET_TILING).swizzle_mode", (Addr)&data->swizzle_mode, sizeof(data->swizzle_mode)); 7231 } 7232 break; 7233 case VKI_DRM_IOCTL_I915_GEM_GET_TILING: 7234 if (ARG3) { 7235 struct vki_drm_i915_gem_get_tiling *data = (struct vki_drm_i915_gem_get_tiling *)ARG3; 7236 PRE_MEM_READ("ioctl(DRM_I915_GEM_GET_TILING).handle", (Addr)&data->handle, sizeof(data->handle)); 7237 PRE_MEM_WRITE("ioctl(DRM_I915_GEM_GET_TILING).tiling_mode", (Addr)&data->tiling_mode, sizeof(data->tiling_mode)); 7238 PRE_MEM_WRITE("ioctl(DRM_I915_GEM_GET_TILING).swizzle_mode", (Addr)&data->swizzle_mode, sizeof(data->swizzle_mode)); 7239 } 7240 break; 7241 case VKI_DRM_IOCTL_I915_GEM_GET_APERTURE: 7242 if (ARG3) { 7243 struct vki_drm_i915_gem_get_aperture *data = (struct vki_drm_i915_gem_get_aperture *)ARG3; 7244 PRE_MEM_WRITE("ioctl(DRM_I915_GEM_GET_APERTURE).aper_size", (Addr)&data->aper_size, sizeof(data->aper_size)); 7245 PRE_MEM_WRITE("ioctl(DRM_I915_GEM_GET_APERTURE).aper_available_size", (Addr)&data->aper_available_size, sizeof(data->aper_available_size)); 7246 } 7247 break; 7248 7249 /* KVM ioctls that check for a numeric value as parameter */ 7250 case VKI_KVM_GET_API_VERSION: 7251 case VKI_KVM_CREATE_VM: 7252 case VKI_KVM_GET_VCPU_MMAP_SIZE: 7253 case VKI_KVM_CHECK_EXTENSION: 7254 case VKI_KVM_SET_TSS_ADDR: 7255 case VKI_KVM_CREATE_VCPU: 7256 case VKI_KVM_RUN: 7257 break; 7258 7259 case VKI_KVM_S390_MEM_OP: { 7260 struct vki_kvm_s390_mem_op *args = 7261 (struct vki_kvm_s390_mem_op *)(ARG3); 7262 PRE_MEM_READ("ioctl(KVM_S390_MEM_OP)", ARG3, 7263 sizeof(struct vki_kvm_s390_mem_op)); 7264 if (args->flags & VKI_KVM_S390_MEMOP_F_CHECK_ONLY) 7265 break; 7266 if (args->op == VKI_KVM_S390_MEMOP_LOGICAL_READ) 7267 PRE_MEM_WRITE("ioctl(KVM_S390_MEM_OP).buf", (Addr)args->buf, args->size); 7268 if (args->op == VKI_KVM_S390_MEMOP_LOGICAL_WRITE) 7269 PRE_MEM_READ("ioctl(KVM_S390_MEM_OP).buf", (Addr)args->buf, args->size); 7270 } 7271 break; 7272 7273 7274 #ifdef ENABLE_XEN 7275 case VKI_XEN_IOCTL_PRIVCMD_HYPERCALL: { 7276 SyscallArgs harrghs; 7277 struct vki_xen_privcmd_hypercall *args = 7278 (struct vki_xen_privcmd_hypercall *)(ARG3); 7279 7280 if (!args) 7281 break; 7282 7283 VG_(memset)(&harrghs, 0, sizeof(harrghs)); 7284 harrghs.sysno = args->op; 7285 harrghs.arg1 = args->arg[0]; 7286 harrghs.arg2 = args->arg[1]; 7287 harrghs.arg3 = args->arg[2]; 7288 harrghs.arg4 = args->arg[3]; 7289 harrghs.arg5 = args->arg[4]; 7290 harrghs.arg6 = harrghs.arg7 = harrghs.arg8 = 0; 7291 7292 WRAPPER_PRE_NAME(xen, hypercall) (tid, layout, &harrghs, status, flags); 7293 7294 /* HACK. arg8 is used to return the number of hypercall 7295 * arguments actually consumed! */ 7296 PRE_MEM_READ("hypercall", ARG3, sizeof(args->op) + 7297 ( sizeof(args->arg[0]) * harrghs.arg8 ) ); 7298 7299 break; 7300 } 7301 7302 case VKI_XEN_IOCTL_PRIVCMD_MMAP: { 7303 struct vki_xen_privcmd_mmap *args = 7304 (struct vki_xen_privcmd_mmap *)(ARG3); 7305 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAP(num)", 7306 (Addr)&args->num, sizeof(args->num)); 7307 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAP(dom)", 7308 (Addr)&args->dom, sizeof(args->dom)); 7309 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAP(entry)", 7310 (Addr)args->entry, sizeof(*(args->entry)) * args->num); 7311 break; 7312 } 7313 case VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH: { 7314 struct vki_xen_privcmd_mmapbatch *args = 7315 (struct vki_xen_privcmd_mmapbatch *)(ARG3); 7316 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH(num)", 7317 (Addr)&args->num, sizeof(args->num)); 7318 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH(dom)", 7319 (Addr)&args->dom, sizeof(args->dom)); 7320 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH(addr)", 7321 (Addr)&args->addr, sizeof(args->addr)); 7322 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH(arr)", 7323 (Addr)args->arr, sizeof(*(args->arr)) * args->num); 7324 break; 7325 } 7326 case VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH_V2: { 7327 struct vki_xen_privcmd_mmapbatch_v2 *args = 7328 (struct vki_xen_privcmd_mmapbatch_v2 *)(ARG3); 7329 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH_V2(num)", 7330 (Addr)&args->num, sizeof(args->num)); 7331 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH_V2(dom)", 7332 (Addr)&args->dom, sizeof(args->dom)); 7333 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH_V2(addr)", 7334 (Addr)&args->addr, sizeof(args->addr)); 7335 PRE_MEM_READ("VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH_V2(arr)", 7336 (Addr)args->arr, sizeof(*(args->arr)) * args->num); 7337 break; 7338 } 7339 7340 case VKI_XEN_IOCTL_EVTCHN_BIND_VIRQ: { 7341 struct vki_xen_ioctl_evtchn_bind_virq *args = 7342 (struct vki_xen_ioctl_evtchn_bind_virq *)(ARG3); 7343 PRE_MEM_READ("VKI_XEN_IOCTL_EVTCHN_BIND_VIRQ(virq)", 7344 (Addr)&args->virq, sizeof(args->virq)); 7345 } 7346 break; 7347 case VKI_XEN_IOCTL_EVTCHN_BIND_INTERDOMAIN: { 7348 struct vki_xen_ioctl_evtchn_bind_interdomain *args = 7349 (struct vki_xen_ioctl_evtchn_bind_interdomain *)(ARG3); 7350 PRE_MEM_READ("VKI_XEN_IOCTL_EVTCHN_BIND_INTERDOMAIN(remote_domain)", 7351 (Addr)&args->remote_domain, sizeof(args->remote_domain)); 7352 PRE_MEM_READ("VKI_XEN_IOCTL_EVTCHN_BIND_INTERDOMAIN(remote_port)", 7353 (Addr)&args->remote_port, sizeof(args->remote_port)); 7354 } 7355 break; 7356 case VKI_XEN_IOCTL_EVTCHN_BIND_UNBOUND_PORT: { 7357 struct vki_xen_ioctl_evtchn_bind_unbound_port *args = 7358 (struct vki_xen_ioctl_evtchn_bind_unbound_port *)(ARG3); 7359 PRE_MEM_READ("VKI_XEN_IOCTL_EVTCHN_BIND_UNBOUND_PORT(remote_domain)", 7360 (Addr)&args->remote_domain, sizeof(args->remote_domain)); 7361 } 7362 break; 7363 case VKI_XEN_IOCTL_EVTCHN_UNBIND: { 7364 struct vki_xen_ioctl_evtchn_unbind *args = 7365 (struct vki_xen_ioctl_evtchn_unbind *)(ARG3); 7366 PRE_MEM_READ("VKI_XEN_IOCTL_EVTCHN_UNBIND(port)", 7367 (Addr)&args->port, sizeof(args->port)); 7368 } 7369 break; 7370 case VKI_XEN_IOCTL_EVTCHN_NOTIFY: { 7371 struct vki_xen_ioctl_evtchn_notify *args = 7372 (struct vki_xen_ioctl_evtchn_notify*)(ARG3); 7373 PRE_MEM_READ("VKI_XEN_IOCTL_EVTCHN_notify(port)", 7374 (Addr)&args->port, sizeof(args->port)); 7375 } 7376 break; 7377 case VKI_XEN_IOCTL_EVTCHN_RESET: 7378 /* No input*/ 7379 break; 7380 #endif 7381 7382 /* Lustre */ 7383 case VKI_OBD_IOC_FID2PATH: { 7384 struct vki_getinfo_fid2path *gf = (struct vki_getinfo_fid2path *)ARG3; 7385 PRE_MEM_READ("VKI_OBD_IOC_FID2PATH(args)", ARG3, sizeof(struct vki_getinfo_fid2path)); 7386 PRE_FIELD_WRITE("VKI_OBD_IOC_FID2PATH(args).gf_recno", gf->gf_recno); 7387 PRE_FIELD_WRITE("VKI_OBD_IOC_FID2PATH(args).gf_linkno", gf->gf_linkno); 7388 PRE_MEM_WRITE("VKI_OBD_IOC_FID2PATH(args)", (Addr)gf->gf_path, gf->gf_pathlen); 7389 break; 7390 } 7391 7392 case VKI_LL_IOC_PATH2FID: 7393 PRE_MEM_WRITE("ioctl(VKI_LL_IOC_PATH2FID)", ARG3, sizeof(struct vki_lu_fid)); 7394 break; 7395 7396 case VKI_LL_IOC_GETPARENT: { 7397 struct vki_getparent *gp = (struct vki_getparent *)ARG3; 7398 PRE_FIELD_READ("ioctl(VKI_LL_IOC_GETPARENT).gp_linkno", gp->gp_linkno); 7399 PRE_FIELD_READ("ioctl(VKI_LL_IOC_GETPARENT).gp_name_size", gp->gp_name_size); 7400 PRE_FIELD_WRITE("ioctl(VKI_LL_IOC_GETPARENT).gp_fid", gp->gp_fid); 7401 PRE_MEM_WRITE("ioctl(VKI_LL_IOC_GETPARENT).gp_name", (Addr)gp->gp_name, gp->gp_name_size); 7402 break; 7403 } 7404 7405 /* V4L2 */ 7406 case VKI_V4L2_QUERYCAP: { 7407 struct vki_v4l2_capability *data = (struct vki_v4l2_capability *)ARG3; 7408 PRE_MEM_WRITE("ioctl(VKI_V4L2_QUERYCAP)", (Addr)data, sizeof(*data)); 7409 break; 7410 } 7411 case VKI_V4L2_ENUM_FMT: { 7412 struct vki_v4l2_fmtdesc *data = (struct vki_v4l2_fmtdesc *)ARG3; 7413 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FMT).index", data->index); 7414 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FMT).type", data->type); 7415 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FMT).flags", data->flags); 7416 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FMT).description", data->description); 7417 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FMT).pixelformat", data->pixelformat); 7418 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FMT).reserved", data->reserved); 7419 break; 7420 } 7421 case VKI_V4L2_G_FMT: { 7422 struct vki_v4l2_format *data = (struct vki_v4l2_format *)ARG3; 7423 PRE_FIELD_READ("ioctl(VKI_V4L2_G_FMT).type", data->type); 7424 switch (data->type) { 7425 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE: 7426 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT: 7427 PRE_FIELD_READ("ioctl(VKI_V4L2_G_FMT).fmt.pix.priv", data->fmt.pix.priv); 7428 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.pix", data->fmt.pix); 7429 PRE_MEM_READ("ioctl(VKI_V4L2_G_FMT)", 7430 (Addr)&data->type + sizeof(data->type) + sizeof(data->fmt.pix), 7431 sizeof(*data) - sizeof(data->type) - sizeof(data->fmt.pix)); 7432 break; 7433 case VKI_V4L2_BUF_TYPE_VBI_CAPTURE: 7434 case VKI_V4L2_BUF_TYPE_VBI_OUTPUT: 7435 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.vbi", data->fmt.vbi); 7436 break; 7437 case VKI_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 7438 case VKI_V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 7439 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.sliced", data->fmt.sliced); 7440 break; 7441 case VKI_V4L2_BUF_TYPE_VIDEO_OVERLAY: 7442 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 7443 PRE_FIELD_READ("ioctl(VKI_V4L2_G_FMT).fmt.win.clips", data->fmt.win.clips); 7444 PRE_FIELD_READ("ioctl(VKI_V4L2_G_FMT).fmt.win.bitmap", data->fmt.win.bitmap); 7445 PRE_FIELD_READ("ioctl(VKI_V4L2_G_FMT).fmt.win.clipcount", data->fmt.win.clipcount); 7446 if (data->fmt.win.clipcount && data->fmt.win.clips) 7447 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.win.clips[]", 7448 (Addr)data->fmt.win.clips, 7449 data->fmt.win.clipcount * sizeof(data->fmt.win.clips[0])); 7450 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.win.clipcount", data->fmt.win.clipcount); 7451 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.win.w", data->fmt.win.w); 7452 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.win.field", data->fmt.win.field); 7453 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.win.chromakey", data->fmt.win.chromakey); 7454 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.win.global_alpha", data->fmt.win.global_alpha); 7455 break; 7456 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 7457 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 7458 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.pix_mp", data->fmt.pix_mp); 7459 break; 7460 case VKI_V4L2_BUF_TYPE_SDR_CAPTURE: 7461 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FMT).fmt.sdr", data->fmt.sdr); 7462 break; 7463 } 7464 break; 7465 } 7466 case VKI_V4L2_S_FMT: { 7467 struct vki_v4l2_format *data = (struct vki_v4l2_format *)ARG3; 7468 PRE_FIELD_READ("ioctl(VKI_V4L2_S_FMT).type", data->type); 7469 switch (data->type) { 7470 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE: 7471 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT: 7472 PRE_MEM_READ("ioctl(VKI_V4L2_S_FMT)", 7473 (Addr)&data->type + sizeof(data->type), 7474 sizeof(*data) - sizeof(data->type)); 7475 break; 7476 case VKI_V4L2_BUF_TYPE_VBI_CAPTURE: 7477 case VKI_V4L2_BUF_TYPE_VBI_OUTPUT: 7478 PRE_FIELD_READ("ioctl(VKI_V4L2_S_FMT).fmt.vbi", data->fmt.vbi); 7479 break; 7480 case VKI_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 7481 case VKI_V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 7482 PRE_FIELD_READ("ioctl(VKI_V4L2_S_FMT).fmt.sliced", data->fmt.sliced); 7483 break; 7484 case VKI_V4L2_BUF_TYPE_VIDEO_OVERLAY: 7485 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 7486 PRE_FIELD_READ("ioctl(VKI_V4L2_S_FMT).fmt.win", data->fmt.win); 7487 if (data->fmt.win.clipcount && data->fmt.win.clips) 7488 PRE_MEM_READ("ioctl(VKI_V4L2_S_FMT).fmt.win.clips[]", 7489 (Addr)data->fmt.win.clips, 7490 data->fmt.win.clipcount * sizeof(data->fmt.win.clips[0])); 7491 if (data->fmt.win.bitmap) 7492 PRE_MEM_READ("ioctl(VKI_V4L2_S_FMT).fmt.win.bitmap[]", 7493 (Addr)data->fmt.win.bitmap, 7494 data->fmt.win.w.height * ((data->fmt.win.w.width + 7) / 8)); 7495 break; 7496 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 7497 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 7498 PRE_FIELD_READ("ioctl(VKI_V4L2_S_FMT).fmt.pix_mp", data->fmt.pix_mp); 7499 break; 7500 case VKI_V4L2_BUF_TYPE_SDR_CAPTURE: 7501 PRE_FIELD_READ("ioctl(VKI_V4L2_S_FMT).fmt.sdr", data->fmt.sdr); 7502 break; 7503 } 7504 break; 7505 } 7506 case VKI_V4L2_TRY_FMT: { 7507 struct vki_v4l2_format *data = (struct vki_v4l2_format *)ARG3; 7508 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_FMT).type", data->type); 7509 switch (data->type) { 7510 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE: 7511 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT: 7512 PRE_MEM_READ("ioctl(VKI_V4L2_TRY_FMT)", 7513 (Addr)&data->type + sizeof(data->type), 7514 sizeof(*data) - sizeof(data->type)); 7515 break; 7516 case VKI_V4L2_BUF_TYPE_VBI_CAPTURE: 7517 case VKI_V4L2_BUF_TYPE_VBI_OUTPUT: 7518 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_FMT).fmt.vbi", data->fmt.vbi); 7519 break; 7520 case VKI_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 7521 case VKI_V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 7522 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_FMT).fmt.sliced", data->fmt.sliced); 7523 break; 7524 case VKI_V4L2_BUF_TYPE_VIDEO_OVERLAY: 7525 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 7526 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_FMT).fmt.win", data->fmt.win); 7527 if (data->fmt.win.clipcount && data->fmt.win.clips) 7528 PRE_MEM_READ("ioctl(VKI_V4L2_TRY_FMT).fmt.win.clips[]", 7529 (Addr)data->fmt.win.clips, 7530 data->fmt.win.clipcount * sizeof(data->fmt.win.clips[0])); 7531 if (data->fmt.win.bitmap) 7532 PRE_MEM_READ("ioctl(VKI_V4L2_TRY_FMT).fmt.win.bitmap[]", 7533 (Addr)data->fmt.win.bitmap, 7534 data->fmt.win.w.height * ((data->fmt.win.w.width + 7) / 8)); 7535 break; 7536 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 7537 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 7538 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_FMT).fmt.pix_mp", data->fmt.pix_mp); 7539 break; 7540 case VKI_V4L2_BUF_TYPE_SDR_CAPTURE: 7541 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_FMT).fmt.sdr", data->fmt.sdr); 7542 break; 7543 } 7544 break; 7545 } 7546 case VKI_V4L2_REQBUFS: { 7547 struct vki_v4l2_requestbuffers *data = (struct vki_v4l2_requestbuffers *)ARG3; 7548 PRE_MEM_READ("ioctl(VKI_V4L2_REQBUFS)", (Addr)data, sizeof(*data)); 7549 break; 7550 } 7551 case VKI_V4L2_QUERYBUF: { 7552 struct vki_v4l2_buffer *data = (struct vki_v4l2_buffer *)ARG3; 7553 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERYBUF).type", data->type); 7554 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERYBUF).index", data->index); 7555 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERYBUF).reserved", data->reserved); 7556 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERYBUF).reserved2", data->reserved2); 7557 if (data->type == VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 7558 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 7559 unsigned i; 7560 7561 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERYBUF).length", data->length); 7562 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERYBUF).m.planes", data->m.planes); 7563 for (i = 0; i < data->length; i++) { 7564 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).m.planes[].bytesused", data->m.planes[i].bytesused); 7565 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).m.planes[].length", data->m.planes[i].length); 7566 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).m.planes[].m", data->m.planes[i].m); 7567 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).m.planes[].data_offset", data->m.planes[i].data_offset); 7568 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).m.planes[].reserved", data->m.planes[i].reserved); 7569 } 7570 } else { 7571 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).m", data->m); 7572 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).length", data->length); 7573 } 7574 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).bytesused", data->bytesused); 7575 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).flags", data->flags); 7576 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).field", data->field); 7577 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).timestamp", data->timestamp); 7578 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).timecode", data->timecode); 7579 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).sequence", data->sequence); 7580 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).memory", data->memory); 7581 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QUERYBUF).sequence", data->sequence); 7582 break; 7583 } 7584 case VKI_V4L2_G_FBUF: { 7585 struct vki_v4l2_framebuffer *data = (struct vki_v4l2_framebuffer *)ARG3; 7586 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_FBUF)", (Addr)data, sizeof(*data)); 7587 break; 7588 } 7589 case VKI_V4L2_S_FBUF: { 7590 struct vki_v4l2_framebuffer *data = (struct vki_v4l2_framebuffer *)ARG3; 7591 PRE_FIELD_WRITE("ioctl(VKI_V4L2_S_FBUF).capability", data->capability); 7592 PRE_FIELD_READ("ioctl(VKI_V4L2_S_FBUF).flags", data->flags); 7593 PRE_FIELD_READ("ioctl(VKI_V4L2_S_FBUF).base", data->base); 7594 PRE_FIELD_READ("ioctl(VKI_V4L2_S_FBUF).fmt", data->fmt); 7595 break; 7596 } 7597 case VKI_V4L2_OVERLAY: { 7598 int *data = (int *)ARG3; 7599 PRE_MEM_READ("ioctl(VKI_V4L2_OVERLAY)", (Addr)data, sizeof(*data)); 7600 break; 7601 } 7602 case VKI_V4L2_QBUF: { 7603 struct vki_v4l2_buffer *data = (struct vki_v4l2_buffer *)ARG3; 7604 int is_output = data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT || 7605 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || 7606 data->type == VKI_V4L2_BUF_TYPE_VBI_OUTPUT || 7607 data->type == VKI_V4L2_BUF_TYPE_SLICED_VBI_OUTPUT; 7608 7609 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).type", data->type); 7610 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).index", data->index); 7611 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).flags", data->flags); 7612 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).memory", data->memory); 7613 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).reserved", data->reserved); 7614 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).reserved2", data->reserved2); 7615 if (is_output) { 7616 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).bytesused", data->bytesused); 7617 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).field", data->field); 7618 } 7619 if (data->type == VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 7620 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 7621 unsigned i; 7622 7623 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).length", data->length); 7624 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).m.planes", data->m.planes); 7625 for (i = 0; i < data->length; i++) { 7626 if (is_output) { 7627 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).m.planes[].bytesused", data->m.planes[i].bytesused); 7628 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).m.planes[].data_offset", data->m.planes[i].data_offset); 7629 } 7630 if (data->memory == VKI_V4L2_MEMORY_MMAP) 7631 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QBUF).m.planes[].m", data->m.planes[i].m); 7632 else if (data->memory == VKI_V4L2_MEMORY_DMABUF) 7633 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).m.planes[].m.fd", data->m.planes[i].m.fd); 7634 else 7635 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).m.planes[].m", data->m.planes[i].m); 7636 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).m.planes[].reserved", data->m.planes[i].reserved); 7637 } 7638 } else { 7639 if (data->memory == VKI_V4L2_MEMORY_MMAP) 7640 PRE_FIELD_WRITE("ioctl(VKI_V4L2_QBUF).m", data->m); 7641 else if (data->memory == VKI_V4L2_MEMORY_DMABUF) 7642 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).m.fd", data->m.fd); 7643 else 7644 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).m", data->m); 7645 if (is_output) { 7646 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).bytesused", data->bytesused); 7647 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).field", data->field); 7648 } 7649 } 7650 if (is_output && (data->flags & VKI_V4L2_BUF_FLAG_TIMESTAMP_MASK) == VKI_V4L2_BUF_FLAG_TIMESTAMP_COPY) { 7651 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).timestamp", data->timestamp); 7652 PRE_FIELD_READ("ioctl(VKI_V4L2_QBUF).timecode", data->timecode); 7653 } 7654 break; 7655 } 7656 case VKI_V4L2_EXPBUF: { 7657 struct vki_v4l2_exportbuffer *data = (struct vki_v4l2_exportbuffer *)ARG3; 7658 PRE_FIELD_READ("ioctl(VKI_V4L2_EXPBUF).type", data->type); 7659 PRE_FIELD_READ("ioctl(VKI_V4L2_EXPBUF).index", data->index); 7660 PRE_FIELD_READ("ioctl(VKI_V4L2_EXPBUF).plane", data->plane); 7661 PRE_FIELD_READ("ioctl(VKI_V4L2_EXPBUF).flags", data->flags); 7662 PRE_FIELD_WRITE("ioctl(VKI_V4L2_EXPBUF).fd", data->fd); 7663 PRE_FIELD_READ("ioctl(VKI_V4L2_EXPBUF).reserved", data->reserved); 7664 break; 7665 } 7666 case VKI_V4L2_DQBUF: { 7667 struct vki_v4l2_buffer *data = (struct vki_v4l2_buffer *)ARG3; 7668 PRE_FIELD_READ("ioctl(VKI_V4L2_DQBUF).type", data->type); 7669 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).index", data->index); 7670 PRE_FIELD_READ("ioctl(VKI_V4L2_DQBUF).memory", data->memory); 7671 PRE_FIELD_READ("ioctl(VKI_V4L2_DQBUF).reserved", data->reserved); 7672 PRE_FIELD_READ("ioctl(VKI_V4L2_DQBUF).reserved2", data->reserved2); 7673 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).bytesused", data->bytesused); 7674 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).field", data->field); 7675 if (data->type == VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 7676 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 7677 unsigned i; 7678 7679 PRE_FIELD_READ("ioctl(VKI_V4L2_DQBUF).length", data->length); 7680 PRE_FIELD_READ("ioctl(VKI_V4L2_DQBUF).m.planes", data->m.planes); 7681 for (i = 0; i < data->length; i++) { 7682 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).m.planes[].bytesused", data->m.planes[i].bytesused); 7683 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).m.planes[].data_offset", data->m.planes[i].data_offset); 7684 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).m.planes[].length", data->m.planes[i].length); 7685 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).m.planes[].m", data->m.planes[i].m); 7686 PRE_FIELD_READ("ioctl(VKI_V4L2_DQBUF).m.planes[].reserved", data->m.planes[i].reserved); 7687 } 7688 } else { 7689 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).m", data->m); 7690 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).length", data->length); 7691 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).bytesused", data->bytesused); 7692 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).field", data->field); 7693 } 7694 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).timestamp", data->timestamp); 7695 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).timecode", data->timecode); 7696 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DQBUF).sequence", data->sequence); 7697 break; 7698 } 7699 case VKI_V4L2_STREAMON: { 7700 int *data = (int *)ARG3; 7701 PRE_MEM_READ("ioctl(VKI_V4L2_STREAMON)", (Addr)data, sizeof(*data)); 7702 break; 7703 } 7704 case VKI_V4L2_STREAMOFF: { 7705 int *data = (int *)ARG3; 7706 PRE_MEM_READ("ioctl(VKI_V4L2_STREAMOFF)", (Addr)data, sizeof(*data)); 7707 break; 7708 } 7709 case VKI_V4L2_G_PARM: { 7710 struct vki_v4l2_streamparm *data = (struct vki_v4l2_streamparm *)ARG3; 7711 int is_output = data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT || 7712 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || 7713 data->type == VKI_V4L2_BUF_TYPE_VBI_OUTPUT || 7714 data->type == VKI_V4L2_BUF_TYPE_SLICED_VBI_OUTPUT; 7715 7716 PRE_FIELD_READ("ioctl(VKI_V4L2_G_PARM).type", data->type); 7717 if (is_output) { 7718 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_PARM)", (Addr)&data->parm.output, 7719 sizeof(data->parm.output) - sizeof(data->parm.output.reserved)); 7720 PRE_FIELD_READ("ioctl(VKI_V4L2_G_PARM).parm.output.reserved", data->parm.output.reserved); 7721 } else { 7722 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_PARM)", (Addr)&data->parm.capture, 7723 sizeof(data->parm.capture) - sizeof(data->parm.capture.reserved)); 7724 PRE_FIELD_READ("ioctl(VKI_V4L2_G_PARM).parm.capture.reserved", data->parm.capture.reserved); 7725 } 7726 break; 7727 } 7728 case VKI_V4L2_S_PARM: { 7729 struct vki_v4l2_streamparm *data = (struct vki_v4l2_streamparm *)ARG3; 7730 int is_output = data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT || 7731 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || 7732 data->type == VKI_V4L2_BUF_TYPE_VBI_OUTPUT || 7733 data->type == VKI_V4L2_BUF_TYPE_SLICED_VBI_OUTPUT; 7734 7735 PRE_FIELD_READ("ioctl(VKI_V4L2_S_PARM).type", data->type); 7736 if (is_output) 7737 PRE_FIELD_READ("ioctl(VKI_V4L2_S_PARM).parm.output", data->parm.output); 7738 else 7739 PRE_FIELD_READ("ioctl(VKI_V4L2_S_PARM).parm.capture", data->parm.capture); 7740 break; 7741 } 7742 case VKI_V4L2_G_STD: { 7743 vki_v4l2_std_id *data = (vki_v4l2_std_id *)ARG3; 7744 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_STD)", (Addr)data, sizeof(*data)); 7745 break; 7746 } 7747 case VKI_V4L2_S_STD: { 7748 vki_v4l2_std_id *data = (vki_v4l2_std_id *)ARG3; 7749 PRE_MEM_READ("ioctl(VKI_V4L2_S_STD)", (Addr)data, sizeof(*data)); 7750 break; 7751 } 7752 case VKI_V4L2_ENUMSTD: { 7753 struct vki_v4l2_standard *data = (struct vki_v4l2_standard *)ARG3; 7754 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUMSTD).index", data->index); 7755 PRE_MEM_WRITE("ioctl(VKI_V4L2_ENUMSTD)", (Addr)&data->id, sizeof(*data) - sizeof(data->index)); 7756 break; 7757 } 7758 case VKI_V4L2_ENUMINPUT: { 7759 struct vki_v4l2_input *data = (struct vki_v4l2_input *)ARG3; 7760 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUMINPUT).index", data->index); 7761 PRE_MEM_WRITE("ioctl(VKI_V4L2_ENUMINPUT)", (Addr)data->name, sizeof(*data) - sizeof(data->index)); 7762 break; 7763 } 7764 case VKI_V4L2_G_CTRL: { 7765 struct vki_v4l2_control *data = (struct vki_v4l2_control *)ARG3; 7766 PRE_FIELD_READ("ioctl(VKI_V4L2_G_CTRL).id", data->id); 7767 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_CTRL).value", data->value); 7768 break; 7769 } 7770 case VKI_V4L2_S_CTRL: { 7771 struct vki_v4l2_control *data = (struct vki_v4l2_control *)ARG3; 7772 PRE_MEM_READ("ioctl(VKI_V4L2_S_CTRL)", (Addr)data, sizeof(*data)); 7773 break; 7774 } 7775 case VKI_V4L2_G_TUNER: { 7776 struct vki_v4l2_tuner *data = (struct vki_v4l2_tuner *)ARG3; 7777 PRE_FIELD_READ("ioctl(VKI_V4L2_G_TUNER).index", data->index); 7778 PRE_FIELD_READ("ioctl(VKI_V4L2_G_TUNER).reserved", data->reserved); 7779 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_TUNER)", (Addr)data->name, 7780 sizeof(*data) - sizeof(data->index) - sizeof(data->reserved)); 7781 break; 7782 } 7783 case VKI_V4L2_S_TUNER: { 7784 struct vki_v4l2_tuner *data = (struct vki_v4l2_tuner *)ARG3; 7785 PRE_FIELD_READ("ioctl(VKI_V4L2_S_TUNER).index", data->index); 7786 PRE_FIELD_READ("ioctl(VKI_V4L2_S_TUNER).audmode", data->audmode); 7787 PRE_FIELD_READ("ioctl(VKI_V4L2_S_TUNER).reserved", data->reserved); 7788 break; 7789 } 7790 case VKI_V4L2_G_AUDIO: { 7791 struct vki_v4l2_audio *data = (struct vki_v4l2_audio *)ARG3; 7792 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_AUDIO)", (Addr)data, 7793 sizeof(*data) - sizeof(data->reserved)); 7794 PRE_FIELD_READ("ioctl(VKI_V4L2_G_AUDIO).reserved", data->reserved); 7795 break; 7796 } 7797 case VKI_V4L2_S_AUDIO: { 7798 struct vki_v4l2_audio *data = (struct vki_v4l2_audio *)ARG3; 7799 PRE_FIELD_READ("ioctl(VKI_V4L2_S_AUDIO).index", data->index); 7800 PRE_FIELD_READ("ioctl(VKI_V4L2_S_AUDIO).mode", data->mode); 7801 PRE_FIELD_READ("ioctl(VKI_V4L2_S_AUDIO).reserved", data->reserved); 7802 break; 7803 } 7804 case VKI_V4L2_QUERYCTRL: { 7805 struct vki_v4l2_queryctrl *data = (struct vki_v4l2_queryctrl *)ARG3; 7806 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERYCTRL).id", data->id); 7807 PRE_MEM_WRITE("ioctl(VKI_V4L2_QUERYCTRL)", (Addr)&data->type, 7808 sizeof(*data) - sizeof(data->id)); 7809 break; 7810 } 7811 case VKI_V4L2_QUERYMENU: { 7812 struct vki_v4l2_querymenu *data = (struct vki_v4l2_querymenu *)ARG3; 7813 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERYMENU).id", data->id); 7814 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERYMENU).index", data->index); 7815 PRE_MEM_WRITE("ioctl(VKI_V4L2_QUERYMENU)", (Addr)data->name, 7816 sizeof(*data) - sizeof(data->id) - sizeof(data->index)); 7817 break; 7818 } 7819 case VKI_V4L2_G_INPUT: { 7820 int *data = (int *)ARG3; 7821 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_INPUT)", (Addr)data, sizeof(*data)); 7822 break; 7823 } 7824 case VKI_V4L2_S_INPUT: { 7825 int *data = (int *)ARG3; 7826 PRE_MEM_READ("ioctl(VKI_V4L2_S_INPUT)", (Addr)data, sizeof(*data)); 7827 break; 7828 } 7829 case VKI_V4L2_G_EDID: { 7830 struct vki_v4l2_edid *data = (struct vki_v4l2_edid *)ARG3; 7831 PRE_MEM_READ("ioctl(VKI_V4L2_G_EDID)", (Addr)data, sizeof(*data)); 7832 if (data->blocks && data->edid) 7833 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_EDID)", (Addr)data->edid, data->blocks * 128); 7834 break; 7835 } 7836 case VKI_V4L2_S_EDID: { 7837 struct vki_v4l2_edid *data = (struct vki_v4l2_edid *)ARG3; 7838 PRE_MEM_READ("ioctl(VKI_V4L2_S_EDID)", (Addr)data, sizeof(*data)); 7839 if (data->blocks && data->edid) 7840 PRE_MEM_READ("ioctl(VKI_V4L2_S_EDID)", (Addr)data->edid, data->blocks * 128); 7841 break; 7842 } 7843 case VKI_V4L2_G_OUTPUT: { 7844 int *data = (int *)ARG3; 7845 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_OUTPUT)", (Addr)data, sizeof(*data)); 7846 break; 7847 } 7848 case VKI_V4L2_S_OUTPUT: { 7849 int *data = (int *)ARG3; 7850 PRE_MEM_READ("ioctl(VKI_V4L2_S_OUTPUT)", (Addr)data, sizeof(*data)); 7851 break; 7852 } 7853 case VKI_V4L2_ENUMOUTPUT: { 7854 struct vki_v4l2_output *data = (struct vki_v4l2_output *)ARG3; 7855 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUMOUTPUT).index", data->index); 7856 PRE_MEM_WRITE("ioctl(VKI_V4L2_ENUMOUTPUT)", (Addr)data->name, sizeof(*data) - sizeof(data->index)); 7857 break; 7858 } 7859 case VKI_V4L2_G_AUDOUT: { 7860 struct vki_v4l2_audioout *data = (struct vki_v4l2_audioout *)ARG3; 7861 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_AUDOUT)", (Addr)data, 7862 sizeof(*data) - sizeof(data->reserved)); 7863 PRE_FIELD_READ("ioctl(VKI_V4L2_G_AUDOUT).reserved", data->reserved); 7864 break; 7865 } 7866 case VKI_V4L2_S_AUDOUT: { 7867 struct vki_v4l2_audioout *data = (struct vki_v4l2_audioout *)ARG3; 7868 PRE_FIELD_READ("ioctl(VKI_V4L2_S_AUDOUT).index", data->index); 7869 PRE_FIELD_READ("ioctl(VKI_V4L2_S_AUDOUT).reserved", data->reserved); 7870 PRE_FIELD_READ("ioctl(VKI_V4L2_S_AUDOUT).mode", data->mode); 7871 break; 7872 } 7873 case VKI_V4L2_G_MODULATOR: { 7874 struct vki_v4l2_modulator *data = (struct vki_v4l2_modulator *)ARG3; 7875 PRE_FIELD_READ("ioctl(VKI_V4L2_G_MODULATOR).index", data->index); 7876 PRE_FIELD_READ("ioctl(VKI_V4L2_G_MODULATOR).reserved", data->reserved); 7877 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_MODULATOR)", (Addr)data->name, 7878 sizeof(*data) - sizeof(data->index) - sizeof(data->reserved)); 7879 break; 7880 } 7881 case VKI_V4L2_S_MODULATOR: { 7882 struct vki_v4l2_modulator *data = (struct vki_v4l2_modulator *)ARG3; 7883 PRE_FIELD_READ("ioctl(VKI_V4L2_S_MODULATOR).index", data->index); 7884 PRE_FIELD_READ("ioctl(VKI_V4L2_S_MODULATOR).txsubchans", data->txsubchans); 7885 PRE_FIELD_READ("ioctl(VKI_V4L2_S_MODULATOR).reserved", data->reserved); 7886 break; 7887 } 7888 case VKI_V4L2_G_FREQUENCY: { 7889 struct vki_v4l2_frequency *data = (struct vki_v4l2_frequency *)ARG3; 7890 PRE_FIELD_READ("ioctl(VKI_V4L2_G_FREQUENCY).tuner", data->tuner); 7891 PRE_FIELD_READ("ioctl(VKI_V4L2_G_FREQUENCY).reserved", data->reserved); 7892 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FREQUENCY).type", data->type); 7893 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_FREQUENCY).frequency", data->frequency); 7894 break; 7895 } 7896 case VKI_V4L2_S_FREQUENCY: { 7897 struct vki_v4l2_frequency *data = (struct vki_v4l2_frequency *)ARG3; 7898 PRE_MEM_READ("ioctl(VKI_V4L2_S_FREQUENCY)", (Addr)data, sizeof(*data)); 7899 break; 7900 } 7901 case VKI_V4L2_CROPCAP: { 7902 struct vki_v4l2_cropcap *data = (struct vki_v4l2_cropcap *)ARG3; 7903 PRE_FIELD_READ("ioctl(VKI_V4L2_CROPCAP)", data->type); 7904 PRE_MEM_WRITE("ioctl(VKI_V4L2_CROPCAP)", (Addr)&data->bounds, sizeof(*data) - sizeof(data->type)); 7905 break; 7906 } 7907 case VKI_V4L2_G_CROP: { 7908 struct vki_v4l2_crop *data = (struct vki_v4l2_crop *)ARG3; 7909 PRE_FIELD_READ("ioctl(VKI_V4L2_G_CROP).type", data->type); 7910 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_CROP).c", data->c); 7911 break; 7912 } 7913 case VKI_V4L2_S_CROP: { 7914 struct vki_v4l2_crop *data = (struct vki_v4l2_crop *)ARG3; 7915 PRE_MEM_READ("ioctl(VKI_V4L2_S_CROP)", (Addr)data, sizeof(*data)); 7916 break; 7917 } 7918 case VKI_V4L2_G_JPEGCOMP: { 7919 struct vki_v4l2_jpegcompression *data = (struct vki_v4l2_jpegcompression *)ARG3; 7920 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_JPEGCOMP)", (Addr)data, sizeof(*data)); 7921 break; 7922 } 7923 case VKI_V4L2_S_JPEGCOMP: { 7924 struct vki_v4l2_jpegcompression *data = (struct vki_v4l2_jpegcompression *)ARG3; 7925 PRE_MEM_READ("ioctl(VKI_V4L2_S_JPEGCOMP)", (Addr)data, sizeof(*data)); 7926 break; 7927 } 7928 case VKI_V4L2_QUERYSTD: { 7929 vki_v4l2_std_id *data = (vki_v4l2_std_id *)ARG3; 7930 PRE_MEM_WRITE("ioctl(VKI_V4L2_QUERYSTD)", (Addr)data, sizeof(*data)); 7931 break; 7932 } 7933 case VKI_V4L2_ENUMAUDIO: { 7934 struct vki_v4l2_audio *data = (struct vki_v4l2_audio *)ARG3; 7935 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUMAUDIO).index", data->index); 7936 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUMAUDIO).reserved", data->reserved); 7937 PRE_MEM_WRITE("ioctl(VKI_V4L2_ENUMAUDIO)", (Addr)data->name, 7938 sizeof(*data) - sizeof(data->index) - sizeof(data->reserved)); 7939 break; 7940 } 7941 case VKI_V4L2_ENUMAUDOUT: { 7942 struct vki_v4l2_audioout *data = (struct vki_v4l2_audioout *)ARG3; 7943 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUMAUDOUT).index", data->index); 7944 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUMAUDOUT).reserved", data->reserved); 7945 PRE_MEM_WRITE("ioctl(VKI_V4L2_ENUMAUDOUT)", (Addr)data->name, 7946 sizeof(*data) - sizeof(data->index) - sizeof(data->reserved)); 7947 break; 7948 } 7949 case VKI_V4L2_G_PRIORITY: { 7950 __vki_u32 *data = (__vki_u32 *)ARG3; 7951 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_PRIORITY)", (Addr)data, sizeof(*data)); 7952 break; 7953 } 7954 case VKI_V4L2_S_PRIORITY: { 7955 __vki_u32 *data = (__vki_u32 *)ARG3; 7956 PRE_MEM_READ("ioctl(VKI_V4L2_S_PRIORITY)", (Addr)data, sizeof(*data)); 7957 break; 7958 } 7959 case VKI_V4L2_G_SLICED_VBI_CAP: { 7960 struct vki_v4l2_sliced_vbi_cap *data = (struct vki_v4l2_sliced_vbi_cap *)ARG3; 7961 PRE_FIELD_READ("ioctl(VKI_V4L2_G_SLICED_VBI_CAP).type", data->type); 7962 PRE_FIELD_READ("ioctl(VKI_V4L2_G_SLICED_VBI_CAP).reserved", data->reserved); 7963 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_SLICED_VBI_CAP)", (Addr)data, 7964 sizeof(*data) - sizeof(data->type) - sizeof(data->reserved)); 7965 break; 7966 } 7967 case VKI_V4L2_G_EXT_CTRLS: { 7968 struct vki_v4l2_ext_controls *data = (struct vki_v4l2_ext_controls *)ARG3; 7969 PRE_FIELD_READ("ioctl(VKI_V4L2_G_EXT_CTRLS).ctrl_class", data->ctrl_class); 7970 PRE_FIELD_READ("ioctl(VKI_V4L2_G_EXT_CTRLS).count", data->count); 7971 if (data->count) { 7972 unsigned i; 7973 7974 PRE_FIELD_READ("ioctl(VKI_V4L2_G_EXT_CTRLS).controls", data->controls); 7975 for (i = 0; i < data->count; i++) { 7976 PRE_FIELD_READ("ioctl(VKI_V4L2_G_EXT_CTRLS).controls[].id", data->controls[i].id); 7977 PRE_FIELD_READ("ioctl(VKI_V4L2_G_EXT_CTRLS).controls[].size", data->controls[i].size); 7978 PRE_FIELD_READ("ioctl(VKI_V4L2_G_EXT_CTRLS).controls[].reserved2", data->controls[i].reserved2); 7979 if (data->controls[i].size) { 7980 PRE_FIELD_READ("ioctl(VKI_V4L2_G_EXT_CTRLS).controls[].ptr", data->controls[i].ptr); 7981 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_EXT_CTRLS).controls[].ptr[]", 7982 (Addr)data->controls[i].ptr, data->controls[i].size); 7983 } else { 7984 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_EXT_CTRLS).controls[].value64", 7985 data->controls[i].value64); 7986 } 7987 } 7988 } 7989 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_EXT_CTRLS).error_idx", data->error_idx); 7990 PRE_FIELD_READ("ioctl(VKI_V4L2_G_EXT_CTRLS).reserved", data->reserved); 7991 break; 7992 } 7993 case VKI_V4L2_S_EXT_CTRLS: { 7994 struct vki_v4l2_ext_controls *data = (struct vki_v4l2_ext_controls *)ARG3; 7995 PRE_FIELD_READ("ioctl(VKI_V4L2_S_EXT_CTRLS).ctrl_class", data->ctrl_class); 7996 PRE_FIELD_READ("ioctl(VKI_V4L2_S_EXT_CTRLS).count", data->count); 7997 if (data->count) { 7998 unsigned i; 7999 8000 PRE_FIELD_READ("ioctl(VKI_V4L2_S_EXT_CTRLS).controls", data->controls); 8001 PRE_MEM_READ("ioctl(VKI_V4L2_S_EXT_CTRLS)", (Addr)data->controls, 8002 data->count * sizeof(data->controls[0])); 8003 for (i = 0; i < data->count; i++) { 8004 if (data->controls[i].size) { 8005 PRE_MEM_READ("ioctl(VKI_V4L2_S_EXT_CTRLS).controls[].ptr[]", 8006 (Addr)data->controls[i].ptr, data->controls[i].size); 8007 } 8008 } 8009 } 8010 PRE_FIELD_WRITE("ioctl(VKI_V4L2_S_EXT_CTRLS).error_idx", data->error_idx); 8011 PRE_FIELD_READ("ioctl(VKI_V4L2_S_EXT_CTRLS).reserved", data->reserved); 8012 break; 8013 } 8014 case VKI_V4L2_TRY_EXT_CTRLS: { 8015 struct vki_v4l2_ext_controls *data = (struct vki_v4l2_ext_controls *)ARG3; 8016 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_EXT_CTRLS).ctrl_class", data->ctrl_class); 8017 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_EXT_CTRLS).count", data->count); 8018 if (data->count) { 8019 unsigned i; 8020 8021 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_EXT_CTRLS).controls", data->controls); 8022 PRE_MEM_READ("ioctl(VKI_V4L2_TRY_EXT_CTRLS)", (Addr)data->controls, 8023 data->count * sizeof(data->controls[0])); 8024 for (i = 0; i < data->count; i++) { 8025 if (data->controls[i].size) { 8026 PRE_MEM_READ("ioctl(VKI_V4L2_TRY_EXT_CTRLS).controls[].ptr[]", 8027 (Addr)data->controls[i].ptr, data->controls[i].size); 8028 } 8029 } 8030 } 8031 PRE_FIELD_WRITE("ioctl(VKI_V4L2_TRY_EXT_CTRLS).error_idx", data->error_idx); 8032 PRE_FIELD_READ("ioctl(VKI_V4L2_TRY_EXT_CTRLS).reserved", data->reserved); 8033 break; 8034 } 8035 case VKI_V4L2_ENUM_FRAMESIZES: { 8036 struct vki_v4l2_frmsizeenum *data = (struct vki_v4l2_frmsizeenum *)ARG3; 8037 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FRAMESIZES).index", data->index); 8038 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FRAMESIZES).pixel_format", data->pixel_format); 8039 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FRAMESIZES).reserved", data->reserved); 8040 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FRAMESIZES).type", data->type); 8041 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FRAMESIZES).stepwise", data->stepwise); 8042 break; 8043 } 8044 case VKI_V4L2_ENUM_FRAMEINTERVALS: { 8045 struct vki_v4l2_frmivalenum *data = (struct vki_v4l2_frmivalenum *)ARG3; 8046 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FRAMEINTERVALS).index", data->index); 8047 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FRAMEINTERVALS).pixel_format", data->pixel_format); 8048 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FRAMEINTERVALS).width", data->width); 8049 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FRAMEINTERVALS).height", data->height); 8050 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FRAMEINTERVALS).reserved", data->reserved); 8051 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FRAMEINTERVALS).type", data->type); 8052 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FRAMEINTERVALS).stepwise", data->stepwise); 8053 break; 8054 } 8055 case VKI_V4L2_G_ENC_INDEX: { 8056 struct vki_v4l2_enc_idx *data = (struct vki_v4l2_enc_idx *)ARG3; 8057 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_ENC_INDEX)", (Addr)data, sizeof(*data)); 8058 break; 8059 } 8060 case VKI_V4L2_ENCODER_CMD: { 8061 struct vki_v4l2_encoder_cmd *data = (struct vki_v4l2_encoder_cmd *)ARG3; 8062 PRE_MEM_READ("ioctl(VKI_V4L2_ENCODER_CMD)", (Addr)data, sizeof(*data)); 8063 break; 8064 } 8065 case VKI_V4L2_TRY_ENCODER_CMD: { 8066 struct vki_v4l2_encoder_cmd *data = (struct vki_v4l2_encoder_cmd *)ARG3; 8067 PRE_MEM_READ("ioctl(VKI_V4L2_TRY_ENCODER_CMD)", (Addr)data, sizeof(*data)); 8068 break; 8069 } 8070 case VKI_V4L2_DBG_S_REGISTER: { 8071 struct vki_v4l2_dbg_register *data = (struct vki_v4l2_dbg_register *)ARG3; 8072 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_S_REGISTER).match.type", data->match.type); 8073 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_S_REGISTER).match.addr", data->match.addr); 8074 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_S_REGISTER).reg", data->reg); 8075 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_S_REGISTER).val", data->val); 8076 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DBG_S_REGISTER).size", data->size); 8077 break; 8078 } 8079 case VKI_V4L2_DBG_G_REGISTER: { 8080 struct vki_v4l2_dbg_register *data = (struct vki_v4l2_dbg_register *)ARG3; 8081 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_G_REGISTER).match.type", data->match.type); 8082 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_G_REGISTER).match.addr", data->match.addr); 8083 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_G_REGISTER).reg", data->reg); 8084 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DBG_G_REGISTER).val", data->val); 8085 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DBG_G_REGISTER).size", data->size); 8086 break; 8087 } 8088 case VKI_V4L2_S_HW_FREQ_SEEK: { 8089 struct vki_v4l2_hw_freq_seek *data = (struct vki_v4l2_hw_freq_seek *)ARG3; 8090 PRE_MEM_READ("ioctl(VKI_V4L2_S_HW_FREQ_SEEK)", (Addr)data, sizeof(*data)); 8091 break; 8092 } 8093 case VKI_V4L2_S_DV_TIMINGS: { 8094 struct vki_v4l2_dv_timings *data = (struct vki_v4l2_dv_timings *)ARG3; 8095 PRE_FIELD_READ("ioctl(VKI_V4L2_S_DV_TIMINGS).type", data->type); 8096 PRE_FIELD_READ("ioctl(VKI_V4L2_S_DV_TIMINGS).bt", data->bt); 8097 break; 8098 } 8099 case VKI_V4L2_G_DV_TIMINGS: { 8100 struct vki_v4l2_dv_timings *data = (struct vki_v4l2_dv_timings *)ARG3; 8101 PRE_MEM_WRITE("ioctl(VKI_V4L2_G_DV_TIMINGS)", (Addr)data, sizeof(*data)); 8102 break; 8103 } 8104 case VKI_V4L2_DQEVENT: { 8105 struct vki_v4l2_event *data = (struct vki_v4l2_event *)ARG3; 8106 PRE_MEM_WRITE("ioctl(VKI_V4L2_DQEVENT)", (Addr)data, sizeof(*data)); 8107 break; 8108 } 8109 case VKI_V4L2_SUBSCRIBE_EVENT: { 8110 struct vki_v4l2_event_subscription *data = (struct vki_v4l2_event_subscription *)ARG3; 8111 PRE_MEM_READ("ioctl(VKI_V4L2_SUBSCRIBE_EVENT)", (Addr)data, sizeof(*data)); 8112 break; 8113 } 8114 case VKI_V4L2_UNSUBSCRIBE_EVENT: { 8115 struct vki_v4l2_event_subscription *data = (struct vki_v4l2_event_subscription *)ARG3; 8116 PRE_MEM_READ("ioctl(VKI_V4L2_UNSUBSCRIBE_EVENT)", (Addr)data, sizeof(*data)); 8117 break; 8118 } 8119 case VKI_V4L2_CREATE_BUFS: { 8120 struct vki_v4l2_create_buffers *data = (struct vki_v4l2_create_buffers *)ARG3; 8121 struct vki_v4l2_format *fmt = &data->format; 8122 PRE_FIELD_WRITE("ioctl(VKI_V4L2_CREATE_BUFS).index", data->index); 8123 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).count", data->count); 8124 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).memory", data->memory); 8125 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).reserved", data->reserved); 8126 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).format.type", fmt->type); 8127 switch (fmt->type) { 8128 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE: 8129 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT: 8130 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).format.pix", fmt->fmt.raw_data); 8131 break; 8132 case VKI_V4L2_BUF_TYPE_VBI_CAPTURE: 8133 case VKI_V4L2_BUF_TYPE_VBI_OUTPUT: 8134 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).format.vbi", fmt->fmt.vbi); 8135 break; 8136 case VKI_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 8137 case VKI_V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 8138 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).format.sliced", fmt->fmt.sliced); 8139 break; 8140 case VKI_V4L2_BUF_TYPE_VIDEO_OVERLAY: 8141 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 8142 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).format.win", fmt->fmt.win); 8143 break; 8144 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 8145 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 8146 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).format.pix_mp", fmt->fmt.pix_mp); 8147 break; 8148 case VKI_V4L2_BUF_TYPE_SDR_CAPTURE: 8149 PRE_FIELD_READ("ioctl(VKI_V4L2_CREATE_BUFS).format.sdr", fmt->fmt.sdr); 8150 break; 8151 } 8152 break; 8153 } 8154 case VKI_V4L2_PREPARE_BUF: { 8155 struct vki_v4l2_buffer *data = (struct vki_v4l2_buffer *)ARG3; 8156 PRE_FIELD_READ("ioctl(VKI_V4L2_PREPARE_BUF).index", data->index); 8157 PRE_FIELD_READ("ioctl(VKI_V4L2_PREPARE_BUF).type", data->type); 8158 PRE_FIELD_READ("ioctl(VKI_V4L2_PREPARE_BUF).memory", data->memory); 8159 PRE_FIELD_READ("ioctl(VKI_V4L2_PREPARE_BUF).reserved", data->reserved); 8160 PRE_FIELD_READ("ioctl(VKI_V4L2_PREPARE_BUF).reserved2", data->reserved2); 8161 if (data->type == VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 8162 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 8163 unsigned i; 8164 8165 PRE_FIELD_READ("ioctl(VKI_V4L2_PREPARE_BUF).length", data->length); 8166 PRE_FIELD_READ("ioctl(VKI_V4L2_PREPARE_BUF).m.planes", data->m.planes); 8167 for (i = 0; i < data->length; i++) { 8168 PRE_FIELD_READ("ioctl(VKI_V4L2_PREPARE_BUF).m.planes[].reserved", data->m.planes[i].reserved); 8169 } 8170 } 8171 break; 8172 } 8173 case VKI_V4L2_G_SELECTION: { 8174 struct vki_v4l2_selection *data = (struct vki_v4l2_selection *)ARG3; 8175 PRE_FIELD_READ("ioctl(VKI_V4L2_G_SELECTION).type", data->type); 8176 PRE_FIELD_READ("ioctl(VKI_V4L2_G_SELECTION).target", data->target); 8177 PRE_FIELD_READ("ioctl(VKI_V4L2_G_SELECTION).flags", data->flags); 8178 PRE_FIELD_READ("ioctl(VKI_V4L2_G_SELECTION).reserved", data->reserved); 8179 PRE_FIELD_WRITE("ioctl(VKI_V4L2_G_SELECTION).r", data->r); 8180 break; 8181 } 8182 case VKI_V4L2_S_SELECTION: { 8183 struct vki_v4l2_selection *data = (struct vki_v4l2_selection *)ARG3; 8184 PRE_MEM_READ("ioctl(VKI_V4L2_S_SELECTION)", (Addr)data, sizeof(*data)); 8185 break; 8186 } 8187 case VKI_V4L2_DECODER_CMD: { 8188 struct vki_v4l2_decoder_cmd *data = (struct vki_v4l2_decoder_cmd *)ARG3; 8189 PRE_MEM_READ("ioctl(VKI_V4L2_DECODER_CMD)", (Addr)data, sizeof(*data)); 8190 break; 8191 } 8192 case VKI_V4L2_TRY_DECODER_CMD: { 8193 struct vki_v4l2_decoder_cmd *data = (struct vki_v4l2_decoder_cmd *)ARG3; 8194 PRE_MEM_READ("ioctl(VKI_V4L2_TRY_DECODER_CMD)", (Addr)data, sizeof(*data)); 8195 break; 8196 } 8197 case VKI_V4L2_ENUM_DV_TIMINGS: { 8198 struct vki_v4l2_enum_dv_timings *data = (struct vki_v4l2_enum_dv_timings *)ARG3; 8199 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_DV_TIMINGS).index", data->index); 8200 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_DV_TIMINGS).pad", data->pad); 8201 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_DV_TIMINGS).reserved", data->reserved); 8202 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_DV_TIMINGS).timings", data->timings); 8203 break; 8204 } 8205 case VKI_V4L2_QUERY_DV_TIMINGS: { 8206 struct vki_v4l2_dv_timings *data = (struct vki_v4l2_dv_timings *)ARG3; 8207 PRE_MEM_WRITE("ioctl(VKI_V4L2_QUERY_DV_TIMINGS)", (Addr)data, sizeof(*data)); 8208 break; 8209 } 8210 case VKI_V4L2_DV_TIMINGS_CAP: { 8211 struct vki_v4l2_dv_timings_cap *data = (struct vki_v4l2_dv_timings_cap *)ARG3; 8212 PRE_MEM_WRITE("ioctl(VKI_V4L2_DV_TIMINGS_CAP)", (Addr)data, sizeof(*data)); 8213 break; 8214 } 8215 case VKI_V4L2_ENUM_FREQ_BANDS: { 8216 struct vki_v4l2_frequency_band *data = (struct vki_v4l2_frequency_band *)ARG3; 8217 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FREQ_BANDS).tuner", data->tuner); 8218 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FREQ_BANDS).type", data->type); 8219 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FREQ_BANDS).index", data->index); 8220 PRE_FIELD_READ("ioctl(VKI_V4L2_ENUM_FREQ_BANDS).reserved", data->reserved); 8221 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FREQ_BANDS).capability", data->capability); 8222 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FREQ_BANDS).rangelow", data->rangelow); 8223 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FREQ_BANDS).rangehigh", data->rangehigh); 8224 PRE_FIELD_WRITE("ioctl(VKI_V4L2_ENUM_FREQ_BANDS).modulation", data->modulation); 8225 break; 8226 } 8227 case VKI_V4L2_DBG_G_CHIP_INFO: { 8228 struct vki_v4l2_dbg_chip_info *data = (struct vki_v4l2_dbg_chip_info *)ARG3; 8229 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_G_CHIP_INFO).match.type", data->match.type); 8230 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_G_CHIP_INFO).match.addr", data->match.addr); 8231 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DBG_G_CHIP_INFO).name", data->name); 8232 PRE_FIELD_WRITE("ioctl(VKI_V4L2_DBG_G_CHIP_INFO).flags", data->flags); 8233 PRE_FIELD_READ("ioctl(VKI_V4L2_DBG_G_CHIP_INFO).reserved", data->reserved); 8234 break; 8235 } 8236 case VKI_V4L2_QUERY_EXT_CTRL: { 8237 struct vki_v4l2_query_ext_ctrl *data = (struct vki_v4l2_query_ext_ctrl *)ARG3; 8238 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERY_EXT_CTRL).id", data->id); 8239 PRE_FIELD_READ("ioctl(VKI_V4L2_QUERY_EXT_CTRL).reserved", data->reserved); 8240 PRE_MEM_WRITE("ioctl(VKI_V4L2_QUERY_EXT_CTRL)", (Addr)&data->type, 8241 sizeof(*data) - sizeof(data->id) - sizeof(data->reserved)); 8242 break; 8243 } 8244 case VKI_V4L2_SUBDEV_G_FMT: { 8245 struct vki_v4l2_subdev_format *data = (struct vki_v4l2_subdev_format *)ARG3; 8246 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_FMT).pad", data->pad); 8247 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_FMT).which", data->which); 8248 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_FMT).reserved", data->reserved); 8249 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_G_FMT).format", data->format); 8250 break; 8251 } 8252 case VKI_V4L2_SUBDEV_S_FMT: { 8253 struct vki_v4l2_subdev_format *data = (struct vki_v4l2_subdev_format *)ARG3; 8254 PRE_MEM_READ("ioctl(VKI_V4L2_SUBDEV_S_FMT)", (Addr)data, sizeof(*data)); 8255 break; 8256 } 8257 case VKI_V4L2_SUBDEV_G_FRAME_INTERVAL: { 8258 struct vki_v4l2_subdev_frame_interval *data = (struct vki_v4l2_subdev_frame_interval *)ARG3; 8259 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_FRAME_SIZE).pad", data->pad); 8260 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_FRAME_SIZE).reserved", data->reserved); 8261 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_G_FRAME_SIZE).interval", data->interval); 8262 break; 8263 } 8264 case VKI_V4L2_SUBDEV_S_FRAME_INTERVAL: { 8265 struct vki_v4l2_subdev_frame_interval *data = (struct vki_v4l2_subdev_frame_interval *)ARG3; 8266 PRE_MEM_READ("ioctl(VKI_V4L2_SUBDEV_S_FRAME_INTERVAL)", (Addr)data, sizeof(*data)); 8267 break; 8268 } 8269 case VKI_V4L2_SUBDEV_ENUM_MBUS_CODE: { 8270 struct vki_v4l2_subdev_mbus_code_enum *data = (struct vki_v4l2_subdev_mbus_code_enum *)ARG3; 8271 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_MBUS_CODE).index", data->index); 8272 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_MBUS_CODE).pad", data->pad); 8273 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_ENUM_MBUS_CODE).code", data->code); 8274 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_MBUS_CODE).which", data->which); 8275 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_MBUS_CODE).reserved", data->reserved); 8276 break; 8277 } 8278 case VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE: { 8279 struct vki_v4l2_subdev_frame_size_enum *data = (struct vki_v4l2_subdev_frame_size_enum *)ARG3; 8280 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE).index", data->index); 8281 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE).pad", data->pad); 8282 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE).code", data->code); 8283 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE).which", data->which); 8284 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE).reserved", data->reserved); 8285 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE).min_width", data->min_width); 8286 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE).min_height", data->min_height); 8287 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE).max_width", data->max_width); 8288 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE).max_height", data->max_height); 8289 break; 8290 } 8291 case VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL: { 8292 struct vki_v4l2_subdev_frame_interval_enum *data = (struct vki_v4l2_subdev_frame_interval_enum *)ARG3; 8293 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL).index", data->index); 8294 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL).pad", data->pad); 8295 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL).code", data->code); 8296 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL).width", data->width); 8297 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL).height", data->height); 8298 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL).which", data->which); 8299 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL).reserved", data->reserved); 8300 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL).interval", data->interval); 8301 break; 8302 } 8303 case VKI_V4L2_SUBDEV_G_CROP: { 8304 struct vki_v4l2_subdev_crop *data = (struct vki_v4l2_subdev_crop *)ARG3; 8305 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_CROP).pad", data->pad); 8306 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_CROP).which", data->which); 8307 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_CROP).reserved", data->reserved); 8308 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_G_CROP).rect", data->rect); 8309 break; 8310 } 8311 case VKI_V4L2_SUBDEV_S_CROP: { 8312 struct vki_v4l2_subdev_crop *data = (struct vki_v4l2_subdev_crop *)ARG3; 8313 PRE_MEM_READ("ioctl(VKI_V4L2_SUBDEV_S_CROP)", (Addr)data, sizeof(*data)); 8314 break; 8315 } 8316 case VKI_V4L2_SUBDEV_G_SELECTION: { 8317 struct vki_v4l2_subdev_selection *data = (struct vki_v4l2_subdev_selection *)ARG3; 8318 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_SELECTION).pad", data->pad); 8319 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_SELECTION).which", data->which); 8320 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_SELECTION).target", data->target); 8321 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_SELECTION).flags", data->flags); 8322 PRE_FIELD_READ("ioctl(VKI_V4L2_SUBDEV_G_SELECTION).reserved", data->reserved); 8323 PRE_FIELD_WRITE("ioctl(VKI_V4L2_SUBDEV_G_SELECTION).r", data->r); 8324 break; 8325 } 8326 case VKI_V4L2_SUBDEV_S_SELECTION: { 8327 struct vki_v4l2_subdev_selection *data = (struct vki_v4l2_subdev_selection *)ARG3; 8328 PRE_MEM_READ("ioctl(VKI_V4L2_SUBDEV_S_SELECTION)", (Addr)data, sizeof(*data)); 8329 break; 8330 } 8331 case VKI_MEDIA_IOC_DEVICE_INFO: { 8332 struct vki_media_device_info *data = (struct vki_media_device_info *)ARG3; 8333 PRE_FIELD_READ("ioctl(VKI_MEDIA_IOC_DEVICE_INFO).reserved", data->reserved); 8334 PRE_MEM_WRITE("ioctl(VKI_MEDIA_IOC_DEVICE_INFO)", 8335 (Addr)data, sizeof(*data) - sizeof(data->reserved)); 8336 break; 8337 } 8338 case VKI_MEDIA_IOC_ENUM_ENTITIES: { 8339 struct vki_media_entity_desc *data = (struct vki_media_entity_desc *)ARG3; 8340 PRE_FIELD_READ("ioctl(VKI_MEDIA_IOC_ENUM_ENTITIES).id", data->id); 8341 PRE_MEM_WRITE("ioctl(VKI_MEDIA_IOC_ENUM_ENTITIES)", 8342 (Addr)data->name, sizeof(*data) - sizeof(data->id)); 8343 break; 8344 } 8345 case VKI_MEDIA_IOC_ENUM_LINKS: { 8346 struct vki_media_links_enum *data = (struct vki_media_links_enum *)ARG3; 8347 PRE_MEM_READ("ioctl(VKI_MEDIA_IOC_ENUM_LINKS)", (Addr)data, sizeof(*data)); 8348 break; 8349 } 8350 case VKI_MEDIA_IOC_SETUP_LINK: { 8351 struct vki_media_link_desc *data = (struct vki_media_link_desc *)ARG3; 8352 PRE_MEM_READ("ioctl(VKI_MEDIA_IOC_SETUP_LINK)", (Addr)data, sizeof(*data)); 8353 break; 8354 } 8355 8356 /* Serial */ 8357 case VKI_TIOCGSERIAL: { 8358 struct vki_serial_struct *data = (struct vki_serial_struct *)ARG3; 8359 PRE_MEM_WRITE("ioctl(VKI_TIOCGSERIAL)", (Addr)data, sizeof(*data)); 8360 break; 8361 } 8362 case VKI_TIOCSSERIAL: { 8363 struct vki_serial_struct *data = (struct vki_serial_struct *)ARG3; 8364 PRE_MEM_READ("ioctl(VKI_TIOCSSERIAL)", (Addr)data, sizeof(*data)); 8365 break; 8366 } 8367 8368 default: 8369 /* EVIOC* are variable length and return size written on success */ 8370 switch (ARG2 & ~(_VKI_IOC_SIZEMASK << _VKI_IOC_SIZESHIFT)) { 8371 case VKI_EVIOCGNAME(0): 8372 case VKI_EVIOCGPHYS(0): 8373 case VKI_EVIOCGUNIQ(0): 8374 case VKI_EVIOCGKEY(0): 8375 case VKI_EVIOCGLED(0): 8376 case VKI_EVIOCGSND(0): 8377 case VKI_EVIOCGSW(0): 8378 case VKI_EVIOCGBIT(VKI_EV_SYN,0): 8379 case VKI_EVIOCGBIT(VKI_EV_KEY,0): 8380 case VKI_EVIOCGBIT(VKI_EV_REL,0): 8381 case VKI_EVIOCGBIT(VKI_EV_ABS,0): 8382 case VKI_EVIOCGBIT(VKI_EV_MSC,0): 8383 case VKI_EVIOCGBIT(VKI_EV_SW,0): 8384 case VKI_EVIOCGBIT(VKI_EV_LED,0): 8385 case VKI_EVIOCGBIT(VKI_EV_SND,0): 8386 case VKI_EVIOCGBIT(VKI_EV_REP,0): 8387 case VKI_EVIOCGBIT(VKI_EV_FF,0): 8388 case VKI_EVIOCGBIT(VKI_EV_PWR,0): 8389 case VKI_EVIOCGBIT(VKI_EV_FF_STATUS,0): 8390 PRE_MEM_WRITE("ioctl(EVIO*)", ARG3, _VKI_IOC_SIZE(ARG2)); 8391 break; 8392 default: 8393 ML_(PRE_unknown_ioctl)(tid, ARG2, ARG3); 8394 break; 8395 } 8396 break; 8397 } 8398 } 8399 8400 POST(sys_ioctl) 8401 { 8402 vg_assert(SUCCESS); 8403 8404 ARG2 = (UInt)ARG2; 8405 8406 /* --- BEGIN special IOCTL handlers for specific Android hardware --- */ 8407 8408 /* BEGIN undocumented ioctls for PowerVR SGX 540 (the GPU on Nexus S) */ 8409 if (KernelVariantiS(KernelVariant_android_gpu_sgx5xx, 8410 VG_(clo_kernel_variant))) { 8411 8412 if (ARG2 >= 0xC01C6700 && ARG2 <= 0xC01C67FF && ARG3 >= 0x1000) { 8413 /* What's going on here: there appear to be a bunch of ioctls 8414 of the form 0xC01C67xx which are undocumented, and if 8415 unhandled give rise to a vast number of false positives in 8416 Memcheck. 8417 8418 The "normal" interpretation of an ioctl of this form would 8419 be that the 3rd arg is a pointer to an area of size 0x1C 8420 (28 bytes) which is filled in by the kernel. Hence you 8421 might think that "POST_MEM_WRITE(ARG3, 28)" would fix it. 8422 But it doesn't. 8423 8424 It requires POST_MEM_WRITE(ARG3, 256) to silence them. 8425 One interpretation of this is that ARG3 really does point 8426 to a 28 byte struct, but inside that are pointers to other 8427 areas also filled in by the kernel. If these happen to be 8428 allocated just back up the stack then the 256 byte paint 8429 might cover them too, somewhat indiscriminately. 8430 8431 By printing out ARG3 and also the 28 bytes that it points 8432 at, it's possible to guess that the 7 word structure has 8433 this form 8434 8435 0 1 2 3 4 5 6 8436 ioctl-number 0x1C ptr1 ptr1size ptr2 ptr2size aBitMask 8437 8438 Unfortunately that doesn't seem to work for some reason, 8439 so stay with the blunt-instrument approach for the time 8440 being. 8441 */ 8442 if (1) { 8443 /* blunt-instrument approach */ 8444 POST_MEM_WRITE(ARG3, 256); 8445 } else { 8446 /* be a bit more sophisticated */ 8447 POST_MEM_WRITE(ARG3, 28); 8448 UInt* word = (UInt*)ARG3; 8449 if (word && word[2] && word[3] < 0x200/*stay sane*/) 8450 POST_MEM_WRITE(word[2], word[3]); // "ptr1" 8451 if (word && word[4] && word[5] < 0x200/*stay sane*/) 8452 POST_MEM_WRITE(word[4], word[5]); // "ptr2" 8453 } 8454 goto post_sys_ioctl__out; 8455 } 8456 } 8457 /* END undocumented ioctls for PowerVR SGX 540 (the GPU on Nexus S) */ 8458 8459 /* BEGIN undocumented ioctls for Qualcomm Adreno 3xx */ 8460 if (KernelVariantiS(KernelVariant_android_gpu_adreno3xx, 8461 VG_(clo_kernel_variant))) { 8462 if (ARG2 == 0xC00C0902) { 8463 POST_MEM_WRITE(ARG3, 24); // 16 is not enough 8464 goto post_sys_ioctl__out; 8465 } 8466 } 8467 /* END undocumented ioctls for Qualcomm Adreno 3xx */ 8468 8469 /* --- END special IOCTL handlers for specific Android hardware --- */ 8470 8471 /* --- normal handling --- */ 8472 switch (ARG2 /* request */) { 8473 8474 /* The Linux kernel "ion" memory allocator, used on Android. Note: 8475 this is pretty poor given that there's no pre-handling to check 8476 that writable areas are addressable. */ 8477 case VKI_ION_IOC_ALLOC: { 8478 struct vki_ion_allocation_data* data 8479 = (struct vki_ion_allocation_data*)ARG3; 8480 POST_FIELD_WRITE(data->handle); 8481 break; 8482 } 8483 case VKI_ION_IOC_MAP: { 8484 struct vki_ion_fd_data* data = (struct vki_ion_fd_data*)ARG3; 8485 POST_FIELD_WRITE(data->fd); 8486 break; 8487 } 8488 case VKI_ION_IOC_FREE: // is this necessary? 8489 POST_MEM_WRITE(ARG3, sizeof(struct vki_ion_handle_data)); 8490 break; 8491 case VKI_ION_IOC_SHARE: 8492 break; 8493 case VKI_ION_IOC_IMPORT: { 8494 struct vki_ion_fd_data* data = (struct vki_ion_fd_data*)ARG3; 8495 POST_FIELD_WRITE(data->handle); 8496 break; 8497 } 8498 case VKI_ION_IOC_SYNC: 8499 break; 8500 case VKI_ION_IOC_CUSTOM: // is this necessary? 8501 POST_MEM_WRITE(ARG3, sizeof(struct vki_ion_custom_data)); 8502 break; 8503 8504 case VKI_SYNC_IOC_MERGE: { 8505 struct vki_sync_merge_data* data = (struct vki_sync_merge_data*)ARG3; 8506 POST_FIELD_WRITE(data->fence); 8507 break; 8508 } 8509 8510 case VKI_TCSETS: 8511 case VKI_TCSETSW: 8512 case VKI_TCSETSF: 8513 case VKI_IB_USER_MAD_ENABLE_PKEY: 8514 break; 8515 case VKI_TCGETS: 8516 POST_MEM_WRITE( ARG3, sizeof(struct vki_termios) ); 8517 break; 8518 case VKI_TCSETA: 8519 case VKI_TCSETAW: 8520 case VKI_TCSETAF: 8521 break; 8522 case VKI_TCGETA: 8523 POST_MEM_WRITE( ARG3, sizeof(struct vki_termio) ); 8524 break; 8525 case VKI_TCSBRK: 8526 case VKI_TCXONC: 8527 case VKI_TCSBRKP: 8528 case VKI_TCFLSH: 8529 case VKI_TIOCSIG: 8530 break; 8531 case VKI_TIOCGWINSZ: 8532 POST_MEM_WRITE( ARG3, sizeof(struct vki_winsize) ); 8533 break; 8534 case VKI_TIOCSWINSZ: 8535 case VKI_TIOCMBIS: 8536 case VKI_TIOCMBIC: 8537 case VKI_TIOCMSET: 8538 break; 8539 case VKI_TIOCMGET: 8540 POST_MEM_WRITE( ARG3, sizeof(unsigned int) ); 8541 break; 8542 case VKI_TIOCLINUX: 8543 POST_MEM_WRITE( ARG3, sizeof(char *) ); 8544 break; 8545 case VKI_TIOCGPGRP: 8546 /* Get process group ID for foreground processing group. */ 8547 POST_MEM_WRITE( ARG3, sizeof(vki_pid_t) ); 8548 break; 8549 case VKI_TIOCSPGRP: 8550 /* Set a process group ID? */ 8551 POST_MEM_WRITE( ARG3, sizeof(vki_pid_t) ); 8552 break; 8553 case VKI_TIOCGPTN: /* Get Pty Number (of pty-mux device) */ 8554 POST_MEM_WRITE( ARG3, sizeof(int)); 8555 break; 8556 case VKI_TIOCSCTTY: 8557 break; 8558 case VKI_TIOCSPTLCK: /* Lock/unlock Pty */ 8559 break; 8560 case VKI_FIONBIO: 8561 break; 8562 case VKI_FIONCLEX: 8563 break; 8564 case VKI_FIOCLEX: 8565 break; 8566 case VKI_TIOCNOTTY: 8567 break; 8568 case VKI_FIOASYNC: 8569 break; 8570 case VKI_FIONREAD: /* identical to SIOCINQ */ 8571 POST_MEM_WRITE( ARG3, sizeof(int) ); 8572 break; 8573 case VKI_FIOQSIZE: 8574 POST_MEM_WRITE( ARG3, sizeof(vki_loff_t) ); 8575 break; 8576 8577 case VKI_TIOCSERGETLSR: 8578 POST_MEM_WRITE( ARG3, sizeof(int) ); 8579 break; 8580 case VKI_TIOCGICOUNT: 8581 POST_MEM_WRITE( ARG3, sizeof(struct vki_serial_icounter_struct) ); 8582 break; 8583 8584 case VKI_SG_SET_COMMAND_Q: 8585 break; 8586 case VKI_SG_IO: 8587 { 8588 vki_sg_io_hdr_t *sgio = (vki_sg_io_hdr_t*)ARG3; 8589 if ( sgio->sbp ) { 8590 POST_MEM_WRITE( (Addr)sgio->sbp, sgio->sb_len_wr ); 8591 } 8592 if ( sgio->dxfer_direction == VKI_SG_DXFER_FROM_DEV || 8593 sgio->dxfer_direction == VKI_SG_DXFER_TO_FROM_DEV ) { 8594 int transferred = sgio->dxfer_len - sgio->resid; 8595 POST_MEM_WRITE( (Addr)sgio->dxferp, transferred ); 8596 } 8597 } 8598 break; 8599 case VKI_SG_GET_SCSI_ID: 8600 POST_MEM_WRITE(ARG3, sizeof(vki_sg_scsi_id_t)); 8601 break; 8602 case VKI_SG_SET_RESERVED_SIZE: 8603 break; 8604 case VKI_SG_SET_TIMEOUT: 8605 break; 8606 case VKI_SG_GET_RESERVED_SIZE: 8607 POST_MEM_WRITE(ARG3, sizeof(int)); 8608 break; 8609 case VKI_SG_GET_TIMEOUT: 8610 break; 8611 case VKI_SG_GET_VERSION_NUM: 8612 POST_MEM_WRITE(ARG3, sizeof(int)); 8613 break; 8614 case VKI_SG_EMULATED_HOST: 8615 POST_MEM_WRITE(ARG3, sizeof(int)); 8616 break; 8617 case VKI_SG_GET_SG_TABLESIZE: 8618 POST_MEM_WRITE(ARG3, sizeof(int)); 8619 break; 8620 8621 case VKI_IIOCGETCPS: 8622 POST_MEM_WRITE( ARG3, VKI_ISDN_MAX_CHANNELS * 2 * sizeof(unsigned long) ); 8623 break; 8624 case VKI_IIOCNETGPN: 8625 POST_MEM_WRITE( ARG3, sizeof(vki_isdn_net_ioctl_phone) ); 8626 break; 8627 8628 /* These all use struct ifreq AFAIK */ 8629 case VKI_SIOCGIFINDEX: /* get iface index */ 8630 POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_ifindex, 8631 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_ifindex) ); 8632 break; 8633 case VKI_SIOCGIFFLAGS: /* get flags */ 8634 POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_flags, 8635 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_flags) ); 8636 break; 8637 case VKI_SIOCGIFHWADDR: /* Get hardware address */ 8638 POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_hwaddr, 8639 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_hwaddr) ); 8640 break; 8641 case VKI_SIOCGIFMTU: /* get MTU size */ 8642 POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_mtu, 8643 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_mtu) ); 8644 break; 8645 case VKI_SIOCGIFADDR: /* get PA address */ 8646 case VKI_SIOCGIFDSTADDR: /* get remote PA address */ 8647 case VKI_SIOCGIFBRDADDR: /* get broadcast PA address */ 8648 case VKI_SIOCGIFNETMASK: /* get network PA mask */ 8649 POST_MEM_WRITE( 8650 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_addr, 8651 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_addr) ); 8652 break; 8653 case VKI_SIOCGIFMETRIC: /* get metric */ 8654 POST_MEM_WRITE( 8655 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_metric, 8656 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_metric) ); 8657 break; 8658 case VKI_SIOCGIFMAP: /* Get device parameters */ 8659 POST_MEM_WRITE( 8660 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_map, 8661 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_map) ); 8662 break; 8663 break; 8664 case VKI_SIOCGIFTXQLEN: /* Get the tx queue length */ 8665 POST_MEM_WRITE( 8666 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_qlen, 8667 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_qlen) ); 8668 break; 8669 case VKI_SIOCGIFNAME: /* get iface name */ 8670 POST_MEM_WRITE( 8671 (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_name, 8672 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_name) ); 8673 break; 8674 case VKI_SIOCETHTOOL: { /* ethtool(8) interface */ 8675 struct vki_ifreq *ir = (struct vki_ifreq *)ARG3; 8676 switch ( *(vki_u32 *)ir->vki_ifr_data ) { 8677 case VKI_ETHTOOL_GSET: 8678 POST_MEM_WRITE( (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_cmd)); 8679 break; 8680 case VKI_ETHTOOL_SSET: 8681 break; 8682 case VKI_ETHTOOL_GDRVINFO: 8683 POST_MEM_WRITE( (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_drvinfo) ); 8684 break; 8685 case VKI_ETHTOOL_GREGS: 8686 POST_MEM_WRITE( (Addr)((struct vki_ethtool_regs *)ir->vki_ifr_data)->data, 8687 ((struct vki_ethtool_regs *)ir->vki_ifr_data)->len ); 8688 break; 8689 case VKI_ETHTOOL_GWOL: 8690 POST_MEM_WRITE( (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_wolinfo) ); 8691 break; 8692 case VKI_ETHTOOL_SWOL: 8693 break; 8694 case VKI_ETHTOOL_GMSGLVL: 8695 case VKI_ETHTOOL_GLINK: 8696 case VKI_ETHTOOL_GRXCSUM: 8697 case VKI_ETHTOOL_GSG: 8698 case VKI_ETHTOOL_GTSO: 8699 case VKI_ETHTOOL_GUFO: 8700 case VKI_ETHTOOL_GGSO: 8701 case VKI_ETHTOOL_GFLAGS: 8702 case VKI_ETHTOOL_GGRO: 8703 POST_MEM_WRITE( (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_value)); 8704 break; 8705 case VKI_ETHTOOL_SMSGLVL: 8706 case VKI_ETHTOOL_SRXCSUM: 8707 case VKI_ETHTOOL_SSG: 8708 case VKI_ETHTOOL_STSO: 8709 case VKI_ETHTOOL_SUFO: 8710 case VKI_ETHTOOL_SGSO: 8711 case VKI_ETHTOOL_SFLAGS: 8712 case VKI_ETHTOOL_SGRO: 8713 break; 8714 case VKI_ETHTOOL_NWAY_RST: 8715 break; 8716 case VKI_ETHTOOL_GRINGPARAM: 8717 POST_MEM_WRITE( (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_ringparam)); 8718 break; 8719 case VKI_ETHTOOL_SRINGPARAM: 8720 break; 8721 case VKI_ETHTOOL_TEST: 8722 POST_MEM_WRITE( (Addr)((struct vki_ethtool_test *)ir->vki_ifr_data)->data, 8723 ((struct vki_ethtool_test *)ir->vki_ifr_data)->len * sizeof(__vki_u64) ); 8724 break; 8725 case VKI_ETHTOOL_PHYS_ID: 8726 break; 8727 case VKI_ETHTOOL_GPERMADDR: 8728 POST_MEM_WRITE( (Addr)((struct vki_ethtool_perm_addr *)ir->vki_ifr_data)->data, 8729 ((struct vki_ethtool_perm_addr *)ir->vki_ifr_data)->size ); 8730 break; 8731 case VKI_ETHTOOL_RESET: 8732 break; 8733 case VKI_ETHTOOL_GSSET_INFO: 8734 POST_MEM_WRITE( (Addr)((struct vki_ethtool_sset_info *)ir->vki_ifr_data)->data, 8735 __builtin_popcountll(((struct vki_ethtool_sset_info *)ir->vki_ifr_data)->sset_mask) * sizeof(__vki_u32) ); 8736 break; 8737 case VKI_ETHTOOL_GFEATURES: 8738 POST_MEM_WRITE( (Addr)((struct vki_ethtool_gfeatures *)ir->vki_ifr_data)->features, 8739 ((struct vki_ethtool_gfeatures *)ir->vki_ifr_data)->size * sizeof(struct vki_ethtool_get_features_block) ); 8740 break; 8741 case VKI_ETHTOOL_SFEATURES: 8742 break; 8743 case VKI_ETHTOOL_GCHANNELS: 8744 POST_MEM_WRITE( (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_channels) ); 8745 break; 8746 case VKI_ETHTOOL_SCHANNELS: 8747 break; 8748 case VKI_ETHTOOL_GET_TS_INFO: 8749 POST_MEM_WRITE( (Addr)ir->vki_ifr_data, sizeof(struct vki_ethtool_ts_info) ); 8750 break; 8751 } 8752 break; 8753 } 8754 case VKI_SIOCGMIIPHY: /* get hardware entry */ 8755 POST_MEM_WRITE( 8756 (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id, 8757 sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id) ); 8758 break; 8759 case VKI_SIOCGMIIREG: /* get hardware entry registers */ 8760 POST_MEM_WRITE( 8761 (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->val_out, 8762 sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->val_out) ); 8763 break; 8764 8765 /* tun/tap related ioctls */ 8766 case VKI_TUNSETIFF: 8767 POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_name, 8768 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_name) ); 8769 break; 8770 case VKI_TUNGETFEATURES: 8771 POST_MEM_WRITE( ARG3, sizeof(unsigned int) ); 8772 break; 8773 case VKI_TUNGETIFF: 8774 POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_name, 8775 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_name) ); 8776 POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_flags, 8777 sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_flags) ); 8778 break; 8779 case VKI_TUNGETSNDBUF: 8780 POST_MEM_WRITE( ARG3, sizeof(int) ); 8781 break; 8782 case VKI_TUNGETVNETHDRSZ: 8783 POST_MEM_WRITE( ARG3, sizeof(int) ); 8784 break; 8785 8786 case VKI_SIOCGIFCONF: /* get iface list */ 8787 /* WAS: 8788 PRE_MEM_WRITE("ioctl(SIOCGIFCONF)", ARG3, sizeof(struct ifconf)); 8789 KERNEL_DO_SYSCALL(tid,RES); 8790 if (!VG_(is_kerror)(RES) && RES == 0) 8791 POST_MEM_WRITE(ARG3, sizeof(struct ifconf)); 8792 */ 8793 if (RES == 0 && ARG3 ) { 8794 struct vki_ifconf *ifc = (struct vki_ifconf *) ARG3; 8795 if (ifc->vki_ifc_buf != NULL) 8796 POST_MEM_WRITE( (Addr)(ifc->vki_ifc_buf), ifc->ifc_len ); 8797 } 8798 break; 8799 case VKI_SIOCGSTAMP: 8800 POST_MEM_WRITE( ARG3, sizeof(struct vki_timeval) ); 8801 break; 8802 case VKI_SIOCGSTAMPNS: 8803 POST_MEM_WRITE( ARG3, sizeof(struct vki_timespec) ); 8804 break; 8805 /* SIOCOUTQ is an ioctl that, when called on a socket, returns 8806 the number of bytes currently in that socket's send buffer. 8807 It writes this value as an int to the memory location 8808 indicated by the third argument of ioctl(2). */ 8809 case VKI_SIOCOUTQ: 8810 POST_MEM_WRITE(ARG3, sizeof(int)); 8811 break; 8812 case VKI_SIOCGRARP: /* get RARP table entry */ 8813 case VKI_SIOCGARP: /* get ARP table entry */ 8814 POST_MEM_WRITE(ARG3, sizeof(struct vki_arpreq)); 8815 break; 8816 8817 case VKI_SIOCSIFFLAGS: /* set flags */ 8818 case VKI_SIOCSIFMAP: /* Set device parameters */ 8819 case VKI_SIOCSHWTSTAMP: /* Set hardware time stamping */ 8820 case VKI_SIOCSIFTXQLEN: /* Set the tx queue length */ 8821 case VKI_SIOCSIFDSTADDR: /* set remote PA address */ 8822 case VKI_SIOCSIFBRDADDR: /* set broadcast PA address */ 8823 case VKI_SIOCSIFNETMASK: /* set network PA mask */ 8824 case VKI_SIOCSIFMETRIC: /* set metric */ 8825 case VKI_SIOCSIFADDR: /* set PA address */ 8826 case VKI_SIOCSIFMTU: /* set MTU size */ 8827 case VKI_SIOCSIFHWADDR: /* set hardware address */ 8828 case VKI_SIOCSMIIREG: /* set hardware entry registers */ 8829 break; 8830 /* Routing table calls. */ 8831 case VKI_SIOCADDRT: /* add routing table entry */ 8832 case VKI_SIOCDELRT: /* delete routing table entry */ 8833 break; 8834 8835 /* RARP cache control calls. */ 8836 case VKI_SIOCDRARP: /* delete RARP table entry */ 8837 case VKI_SIOCSRARP: /* set RARP table entry */ 8838 /* ARP cache control calls. */ 8839 case VKI_SIOCSARP: /* set ARP table entry */ 8840 case VKI_SIOCDARP: /* delete ARP table entry */ 8841 break; 8842 8843 case VKI_SIOCGPGRP: 8844 POST_MEM_WRITE(ARG3, sizeof(int)); 8845 break; 8846 case VKI_SIOCSPGRP: 8847 break; 8848 8849 case VKI_SIOCATMARK: 8850 POST_MEM_WRITE(ARG3, sizeof(int)); 8851 break; 8852 8853 /* linux/soundcard interface (OSS) */ 8854 case VKI_SNDCTL_SEQ_GETOUTCOUNT: 8855 case VKI_SNDCTL_SEQ_GETINCOUNT: 8856 case VKI_SNDCTL_SEQ_PERCMODE: 8857 case VKI_SNDCTL_SEQ_TESTMIDI: 8858 case VKI_SNDCTL_SEQ_RESETSAMPLES: 8859 case VKI_SNDCTL_SEQ_NRSYNTHS: 8860 case VKI_SNDCTL_SEQ_NRMIDIS: 8861 case VKI_SNDCTL_SEQ_GETTIME: 8862 case VKI_SNDCTL_DSP_GETBLKSIZE: 8863 case VKI_SNDCTL_DSP_GETFMTS: 8864 case VKI_SNDCTL_DSP_SETFMT: 8865 case VKI_SNDCTL_DSP_GETTRIGGER: 8866 case VKI_SNDCTL_DSP_GETODELAY: 8867 case VKI_SNDCTL_DSP_GETSPDIF: 8868 case VKI_SNDCTL_DSP_GETCAPS: 8869 case VKI_SOUND_PCM_READ_RATE: 8870 case VKI_SOUND_PCM_READ_CHANNELS: 8871 case VKI_SOUND_PCM_READ_BITS: 8872 case VKI_SOUND_PCM_READ_FILTER: 8873 POST_MEM_WRITE(ARG3, sizeof(int)); 8874 break; 8875 case VKI_SNDCTL_SEQ_CTRLRATE: 8876 case VKI_SNDCTL_DSP_SPEED: 8877 case VKI_SNDCTL_DSP_STEREO: 8878 case VKI_SNDCTL_DSP_CHANNELS: 8879 case VKI_SOUND_PCM_WRITE_FILTER: 8880 case VKI_SNDCTL_DSP_SUBDIVIDE: 8881 case VKI_SNDCTL_DSP_SETFRAGMENT: 8882 case VKI_SNDCTL_DSP_GETCHANNELMASK: 8883 case VKI_SNDCTL_DSP_BIND_CHANNEL: 8884 case VKI_SNDCTL_TMR_TIMEBASE: 8885 case VKI_SNDCTL_TMR_TEMPO: 8886 case VKI_SNDCTL_TMR_SOURCE: 8887 case VKI_SNDCTL_MIDI_PRETIME: 8888 case VKI_SNDCTL_MIDI_MPUMODE: 8889 break; 8890 case VKI_SNDCTL_DSP_GETOSPACE: 8891 case VKI_SNDCTL_DSP_GETISPACE: 8892 POST_MEM_WRITE(ARG3, sizeof(vki_audio_buf_info)); 8893 break; 8894 case VKI_SNDCTL_DSP_NONBLOCK: 8895 break; 8896 case VKI_SNDCTL_DSP_SETTRIGGER: 8897 break; 8898 8899 case VKI_SNDCTL_DSP_POST: 8900 case VKI_SNDCTL_DSP_RESET: 8901 case VKI_SNDCTL_DSP_SYNC: 8902 case VKI_SNDCTL_DSP_SETSYNCRO: 8903 case VKI_SNDCTL_DSP_SETDUPLEX: 8904 break; 8905 8906 /* linux/soundcard interface (ALSA) */ 8907 case VKI_SNDRV_PCM_IOCTL_HW_FREE: 8908 case VKI_SNDRV_PCM_IOCTL_HWSYNC: 8909 case VKI_SNDRV_PCM_IOCTL_PREPARE: 8910 case VKI_SNDRV_PCM_IOCTL_RESET: 8911 case VKI_SNDRV_PCM_IOCTL_START: 8912 case VKI_SNDRV_PCM_IOCTL_DROP: 8913 case VKI_SNDRV_PCM_IOCTL_DRAIN: 8914 case VKI_SNDRV_PCM_IOCTL_RESUME: 8915 case VKI_SNDRV_PCM_IOCTL_XRUN: 8916 case VKI_SNDRV_PCM_IOCTL_UNLINK: 8917 case VKI_SNDRV_TIMER_IOCTL_START: 8918 case VKI_SNDRV_TIMER_IOCTL_STOP: 8919 case VKI_SNDRV_TIMER_IOCTL_CONTINUE: 8920 case VKI_SNDRV_TIMER_IOCTL_PAUSE: 8921 case VKI_SNDRV_CTL_IOCTL_PVERSION: { 8922 POST_MEM_WRITE( (Addr)ARG3, sizeof(int) ); 8923 break; 8924 } 8925 case VKI_SNDRV_CTL_IOCTL_CARD_INFO: 8926 POST_MEM_WRITE( (Addr)ARG3, sizeof(struct vki_snd_ctl_card_info) ); 8927 break; 8928 case VKI_SNDRV_CTL_IOCTL_ELEM_LIST: { 8929 struct vki_snd_ctl_elem_list *data = (struct vki_snd_ctl_elem_list *)ARG3; 8930 POST_MEM_WRITE( (Addr)&data->used, sizeof(data->used) ); 8931 POST_MEM_WRITE( (Addr)&data->count, sizeof(data->count) ); 8932 if (data->pids) { 8933 POST_MEM_WRITE( (Addr)data->pids, sizeof(struct vki_snd_ctl_elem_id) * data->used ); 8934 } 8935 break; 8936 } 8937 case VKI_SNDRV_CTL_IOCTL_TLV_READ: { 8938 struct vki_snd_ctl_tlv *data = (struct vki_snd_ctl_tlv *)ARG3; 8939 POST_MEM_WRITE( (Addr)data->tlv, data->length ); 8940 break; 8941 } 8942 case VKI_SNDRV_CTL_IOCTL_TLV_WRITE: 8943 case VKI_SNDRV_CTL_IOCTL_TLV_COMMAND: 8944 break; 8945 8946 /* SCSI no operand */ 8947 case VKI_SCSI_IOCTL_DOORLOCK: 8948 case VKI_SCSI_IOCTL_DOORUNLOCK: 8949 break; 8950 8951 /* Real Time Clock (/dev/rtc) ioctls */ 8952 case VKI_RTC_UIE_ON: 8953 case VKI_RTC_UIE_OFF: 8954 case VKI_RTC_AIE_ON: 8955 case VKI_RTC_AIE_OFF: 8956 case VKI_RTC_PIE_ON: 8957 case VKI_RTC_PIE_OFF: 8958 case VKI_RTC_IRQP_SET: 8959 break; 8960 case VKI_RTC_RD_TIME: 8961 case VKI_RTC_ALM_READ: 8962 POST_MEM_WRITE(ARG3, sizeof(struct vki_rtc_time)); 8963 break; 8964 case VKI_RTC_ALM_SET: 8965 break; 8966 case VKI_RTC_IRQP_READ: 8967 POST_MEM_WRITE(ARG3, sizeof(unsigned long)); 8968 break; 8969 8970 /* Block devices */ 8971 case VKI_BLKROSET: 8972 break; 8973 case VKI_BLKROGET: 8974 POST_MEM_WRITE(ARG3, sizeof(int)); 8975 break; 8976 case VKI_BLKGETSIZE: 8977 POST_MEM_WRITE(ARG3, sizeof(unsigned long)); 8978 break; 8979 case VKI_BLKRASET: 8980 break; 8981 case VKI_BLKRAGET: 8982 POST_MEM_WRITE(ARG3, sizeof(long)); 8983 break; 8984 case VKI_BLKFRASET: 8985 break; 8986 case VKI_BLKFRAGET: 8987 POST_MEM_WRITE(ARG3, sizeof(long)); 8988 break; 8989 case VKI_BLKSECTGET: 8990 POST_MEM_WRITE(ARG3, sizeof(unsigned short)); 8991 break; 8992 case VKI_BLKSSZGET: 8993 POST_MEM_WRITE(ARG3, sizeof(int)); 8994 break; 8995 case VKI_BLKBSZGET: 8996 POST_MEM_WRITE(ARG3, sizeof(int)); 8997 break; 8998 case VKI_BLKBSZSET: 8999 break; 9000 case VKI_BLKGETSIZE64: 9001 POST_MEM_WRITE(ARG3, sizeof(unsigned long long)); 9002 break; 9003 case VKI_BLKPBSZGET: 9004 POST_MEM_WRITE(ARG3, sizeof(int)); 9005 break; 9006 case VKI_BLKDISCARDZEROES: 9007 POST_MEM_WRITE(ARG3, sizeof(vki_uint)); 9008 break; 9009 9010 /* Hard disks */ 9011 case VKI_HDIO_GETGEO: /* 0x0301 */ 9012 POST_MEM_WRITE(ARG3, sizeof(struct vki_hd_geometry)); 9013 break; 9014 case VKI_HDIO_GET_DMA: /* 0x030b */ 9015 POST_MEM_WRITE(ARG3, sizeof(long)); 9016 break; 9017 case VKI_HDIO_GET_IDENTITY: /* 0x030d */ 9018 POST_MEM_WRITE(ARG3, VKI_SIZEOF_STRUCT_HD_DRIVEID ); 9019 break; 9020 9021 /* SCSI */ 9022 case VKI_SCSI_IOCTL_GET_IDLUN: /* 0x5382 */ 9023 POST_MEM_WRITE(ARG3, sizeof(struct vki_scsi_idlun)); 9024 break; 9025 case VKI_SCSI_IOCTL_GET_BUS_NUMBER: /* 0x5386 */ 9026 POST_MEM_WRITE(ARG3, sizeof(int)); 9027 break; 9028 9029 /* CD ROM stuff (??) */ 9030 case VKI_CDROM_DISC_STATUS: 9031 break; 9032 case VKI_CDROMSUBCHNL: 9033 POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_subchnl)); 9034 break; 9035 case VKI_CDROMREADTOCHDR: 9036 POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_tochdr)); 9037 break; 9038 case VKI_CDROMREADTOCENTRY: 9039 POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_tocentry)); 9040 break; 9041 case VKI_CDROMMULTISESSION: 9042 POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_multisession)); 9043 break; 9044 case VKI_CDROMVOLREAD: 9045 POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_volctrl)); 9046 break; 9047 case VKI_CDROMREADRAW: 9048 POST_MEM_WRITE(ARG3, VKI_CD_FRAMESIZE_RAW); 9049 break; 9050 case VKI_CDROMREADAUDIO: 9051 { 9052 struct vki_cdrom_read_audio *cra = (struct vki_cdrom_read_audio *) ARG3; 9053 POST_MEM_WRITE( (Addr)(cra->buf), cra->nframes * VKI_CD_FRAMESIZE_RAW); 9054 break; 9055 } 9056 9057 case VKI_CDROMPLAYMSF: 9058 break; 9059 /* The following two are probably bogus (should check args 9060 for readability). JRS 20021117 */ 9061 case VKI_CDROM_DRIVE_STATUS: /* 0x5326 */ 9062 case VKI_CDROM_CLEAR_OPTIONS: /* 0x5321 */ 9063 break; 9064 case VKI_CDROM_GET_CAPABILITY: /* 0x5331 */ 9065 break; 9066 9067 case VKI_FIGETBSZ: 9068 POST_MEM_WRITE(ARG3, sizeof(unsigned long)); 9069 break; 9070 case VKI_FIBMAP: 9071 POST_MEM_WRITE(ARG3, sizeof(int)); 9072 break; 9073 9074 case VKI_FBIOGET_VSCREENINFO: //0x4600 9075 POST_MEM_WRITE(ARG3, sizeof(struct vki_fb_var_screeninfo)); 9076 break; 9077 case VKI_FBIOGET_FSCREENINFO: //0x4602 9078 POST_MEM_WRITE(ARG3, sizeof(struct vki_fb_fix_screeninfo)); 9079 break; 9080 9081 case VKI_PPCLAIM: 9082 case VKI_PPEXCL: 9083 case VKI_PPYIELD: 9084 case VKI_PPRELEASE: 9085 case VKI_PPSETMODE: 9086 case VKI_PPSETPHASE: 9087 case VKI_PPSETFLAGS: 9088 case VKI_PPWDATA: 9089 case VKI_PPWCONTROL: 9090 case VKI_PPFCONTROL: 9091 case VKI_PPDATADIR: 9092 case VKI_PPNEGOT: 9093 case VKI_PPWCTLONIRQ: 9094 case VKI_PPSETTIME: 9095 break; 9096 case VKI_PPGETMODE: 9097 POST_MEM_WRITE( ARG3, sizeof(int) ); 9098 break; 9099 case VKI_PPGETPHASE: 9100 POST_MEM_WRITE( ARG3, sizeof(int) ); 9101 break; 9102 case VKI_PPGETMODES: 9103 POST_MEM_WRITE( ARG3, sizeof(unsigned int) ); 9104 break; 9105 case VKI_PPGETFLAGS: 9106 POST_MEM_WRITE( ARG3, sizeof(int) ); 9107 break; 9108 case VKI_PPRSTATUS: 9109 POST_MEM_WRITE( ARG3, sizeof(unsigned char) ); 9110 break; 9111 case VKI_PPRDATA: 9112 POST_MEM_WRITE( ARG3, sizeof(unsigned char) ); 9113 break; 9114 case VKI_PPRCONTROL: 9115 POST_MEM_WRITE( ARG3, sizeof(unsigned char) ); 9116 break; 9117 case VKI_PPCLRIRQ: 9118 POST_MEM_WRITE( ARG3, sizeof(int) ); 9119 break; 9120 case VKI_PPGETTIME: 9121 POST_MEM_WRITE( ARG3, sizeof(struct vki_timeval) ); 9122 break; 9123 9124 case VKI_GIO_FONT: 9125 POST_MEM_WRITE( ARG3, 32 * 256 ); 9126 break; 9127 case VKI_PIO_FONT: 9128 break; 9129 9130 case VKI_GIO_FONTX: 9131 POST_MEM_WRITE( (Addr)((struct vki_consolefontdesc *)ARG3)->chardata, 9132 32 * ((struct vki_consolefontdesc *)ARG3)->charcount ); 9133 break; 9134 case VKI_PIO_FONTX: 9135 break; 9136 9137 case VKI_PIO_FONTRESET: 9138 break; 9139 9140 case VKI_GIO_CMAP: 9141 POST_MEM_WRITE( ARG3, 16 * 3 ); 9142 break; 9143 case VKI_PIO_CMAP: 9144 break; 9145 9146 case VKI_KIOCSOUND: 9147 case VKI_KDMKTONE: 9148 break; 9149 9150 case VKI_KDGETLED: 9151 POST_MEM_WRITE( ARG3, sizeof(char) ); 9152 break; 9153 case VKI_KDSETLED: 9154 break; 9155 9156 case VKI_KDGKBTYPE: 9157 POST_MEM_WRITE( ARG3, sizeof(char) ); 9158 break; 9159 9160 case VKI_KDADDIO: 9161 case VKI_KDDELIO: 9162 case VKI_KDENABIO: 9163 case VKI_KDDISABIO: 9164 break; 9165 9166 case VKI_KDSETMODE: 9167 break; 9168 case VKI_KDGETMODE: 9169 POST_MEM_WRITE( ARG3, sizeof(int) ); 9170 break; 9171 9172 case VKI_KDMAPDISP: 9173 case VKI_KDUNMAPDISP: 9174 break; 9175 9176 case VKI_GIO_SCRNMAP: 9177 POST_MEM_WRITE( ARG3, VKI_E_TABSZ ); 9178 break; 9179 case VKI_PIO_SCRNMAP: 9180 break; 9181 case VKI_GIO_UNISCRNMAP: 9182 POST_MEM_WRITE( ARG3, VKI_E_TABSZ * sizeof(unsigned short) ); 9183 break; 9184 case VKI_PIO_UNISCRNMAP: 9185 break; 9186 9187 case VKI_GIO_UNIMAP: 9188 if ( ARG3 ) { 9189 struct vki_unimapdesc *desc = (struct vki_unimapdesc *) ARG3; 9190 POST_MEM_WRITE( (Addr)&desc->entry_ct, sizeof(desc->entry_ct)); 9191 POST_MEM_WRITE( (Addr)desc->entries, 9192 desc->entry_ct * sizeof(struct vki_unipair) ); 9193 } 9194 break; 9195 case VKI_PIO_UNIMAP: 9196 break; 9197 case VKI_PIO_UNIMAPCLR: 9198 break; 9199 9200 case VKI_KDGKBMODE: 9201 POST_MEM_WRITE( ARG3, sizeof(int) ); 9202 break; 9203 case VKI_KDSKBMODE: 9204 break; 9205 9206 case VKI_KDGKBMETA: 9207 POST_MEM_WRITE( ARG3, sizeof(int) ); 9208 break; 9209 case VKI_KDSKBMETA: 9210 break; 9211 9212 case VKI_KDGKBLED: 9213 POST_MEM_WRITE( ARG3, sizeof(char) ); 9214 break; 9215 case VKI_KDSKBLED: 9216 break; 9217 9218 case VKI_KDGKBENT: 9219 POST_MEM_WRITE( (Addr)&((struct vki_kbentry *)ARG3)->kb_value, 9220 sizeof(((struct vki_kbentry *)ARG3)->kb_value) ); 9221 break; 9222 case VKI_KDSKBENT: 9223 break; 9224 9225 case VKI_KDGKBSENT: 9226 POST_MEM_WRITE( (Addr)((struct vki_kbsentry *)ARG3)->kb_string, 9227 sizeof(((struct vki_kbsentry *)ARG3)->kb_string) ); 9228 break; 9229 case VKI_KDSKBSENT: 9230 break; 9231 9232 case VKI_KDGKBDIACR: 9233 POST_MEM_WRITE( ARG3, sizeof(struct vki_kbdiacrs) ); 9234 break; 9235 case VKI_KDSKBDIACR: 9236 break; 9237 9238 case VKI_KDGETKEYCODE: 9239 POST_MEM_WRITE( (Addr)((struct vki_kbkeycode *)ARG3)->keycode, 9240 sizeof(((struct vki_kbkeycode *)ARG3)->keycode) ); 9241 break; 9242 case VKI_KDSETKEYCODE: 9243 break; 9244 9245 case VKI_KDSIGACCEPT: 9246 break; 9247 9248 case VKI_KDKBDREP: 9249 break; 9250 9251 case VKI_KDFONTOP: 9252 if ( ARG3 ) { 9253 struct vki_console_font_op *op = (struct vki_console_font_op *) ARG3; 9254 switch ( op->op ) { 9255 case VKI_KD_FONT_OP_SET: 9256 break; 9257 case VKI_KD_FONT_OP_GET: 9258 if ( op->data ) 9259 POST_MEM_WRITE( (Addr) op->data, 9260 (op->width + 7) / 8 * 32 * op->charcount ); 9261 break; 9262 case VKI_KD_FONT_OP_SET_DEFAULT: 9263 break; 9264 case VKI_KD_FONT_OP_COPY: 9265 break; 9266 } 9267 POST_MEM_WRITE( (Addr) op, sizeof(*op)); 9268 } 9269 break; 9270 9271 case VKI_VT_OPENQRY: 9272 POST_MEM_WRITE( ARG3, sizeof(int) ); 9273 break; 9274 case VKI_VT_GETMODE: 9275 POST_MEM_WRITE( ARG3, sizeof(struct vki_vt_mode) ); 9276 break; 9277 case VKI_VT_SETMODE: 9278 break; 9279 case VKI_VT_GETSTATE: 9280 POST_MEM_WRITE( (Addr) &(((struct vki_vt_stat*) ARG3)->v_active), 9281 sizeof(((struct vki_vt_stat*) ARG3)->v_active) ); 9282 POST_MEM_WRITE( (Addr) &(((struct vki_vt_stat*) ARG3)->v_state), 9283 sizeof(((struct vki_vt_stat*) ARG3)->v_state) ); 9284 break; 9285 case VKI_VT_RELDISP: 9286 case VKI_VT_ACTIVATE: 9287 case VKI_VT_WAITACTIVE: 9288 case VKI_VT_DISALLOCATE: 9289 break; 9290 case VKI_VT_RESIZE: 9291 break; 9292 case VKI_VT_RESIZEX: 9293 break; 9294 case VKI_VT_LOCKSWITCH: 9295 case VKI_VT_UNLOCKSWITCH: 9296 break; 9297 9298 case VKI_USBDEVFS_CONTROL: 9299 if ( ARG3 ) { 9300 struct vki_usbdevfs_ctrltransfer *vkuc = (struct vki_usbdevfs_ctrltransfer *)ARG3; 9301 if (vkuc->bRequestType & 0x80) 9302 POST_MEM_WRITE((Addr)vkuc->data, RES); 9303 } 9304 break; 9305 case VKI_USBDEVFS_BULK: 9306 if ( ARG3 ) { 9307 struct vki_usbdevfs_bulktransfer *vkub = (struct vki_usbdevfs_bulktransfer *)ARG3; 9308 if (vkub->ep & 0x80) 9309 POST_MEM_WRITE((Addr)vkub->data, RES); 9310 } 9311 break; 9312 case VKI_USBDEVFS_GETDRIVER: 9313 if ( ARG3 ) { 9314 struct vki_usbdevfs_getdriver *vkugd = (struct vki_usbdevfs_getdriver *)ARG3; 9315 POST_MEM_WRITE((Addr)&vkugd->driver, sizeof(vkugd->driver)); 9316 } 9317 break; 9318 case VKI_USBDEVFS_REAPURB: 9319 case VKI_USBDEVFS_REAPURBNDELAY: 9320 if ( ARG3 ) { 9321 struct vki_usbdevfs_urb **vkuu = (struct vki_usbdevfs_urb**)ARG3; 9322 POST_MEM_WRITE((Addr)vkuu, sizeof(*vkuu)); 9323 if (!*vkuu) 9324 break; 9325 POST_MEM_WRITE((Addr) &((*vkuu)->status),sizeof((*vkuu)->status)); 9326 if ((*vkuu)->type == VKI_USBDEVFS_URB_TYPE_CONTROL) { 9327 struct vki_usbdevfs_setuppacket *vkusp = (struct vki_usbdevfs_setuppacket *)(*vkuu)->buffer; 9328 if (vkusp->bRequestType & 0x80) 9329 POST_MEM_WRITE((Addr)(vkusp+1), (*vkuu)->buffer_length - sizeof(*vkusp)); 9330 POST_MEM_WRITE((Addr)&(*vkuu)->actual_length, sizeof((*vkuu)->actual_length)); 9331 } else if ((*vkuu)->type == VKI_USBDEVFS_URB_TYPE_ISO) { 9332 char *bp = (*vkuu)->buffer; 9333 int i; 9334 for(i=0; i<(*vkuu)->number_of_packets; i++) { 9335 POST_MEM_WRITE((Addr)&(*vkuu)->iso_frame_desc[i].actual_length, sizeof((*vkuu)->iso_frame_desc[i].actual_length)); 9336 POST_MEM_WRITE((Addr)&(*vkuu)->iso_frame_desc[i].status, sizeof((*vkuu)->iso_frame_desc[i].status)); 9337 if ((*vkuu)->endpoint & 0x80) 9338 POST_MEM_WRITE((Addr)bp, (*vkuu)->iso_frame_desc[i].actual_length); 9339 bp += (*vkuu)->iso_frame_desc[i].length; // FIXME: or actual_length?? 9340 } 9341 POST_MEM_WRITE((Addr)&(*vkuu)->error_count, sizeof((*vkuu)->error_count)); 9342 } else { 9343 if ((*vkuu)->endpoint & 0x80) 9344 POST_MEM_WRITE((Addr)(*vkuu)->buffer, (*vkuu)->actual_length); 9345 POST_MEM_WRITE((Addr)&(*vkuu)->actual_length, sizeof((*vkuu)->actual_length)); 9346 } 9347 } 9348 break; 9349 case VKI_USBDEVFS_CONNECTINFO: 9350 POST_MEM_WRITE(ARG3, sizeof(struct vki_usbdevfs_connectinfo)); 9351 break; 9352 case VKI_USBDEVFS_IOCTL: 9353 if ( ARG3 ) { 9354 struct vki_usbdevfs_ioctl *vkui = (struct vki_usbdevfs_ioctl *)ARG3; 9355 UInt dir2, size2; 9356 dir2 = _VKI_IOC_DIR(vkui->ioctl_code); 9357 size2 = _VKI_IOC_SIZE(vkui->ioctl_code); 9358 if (size2 > 0) { 9359 if (dir2 & _VKI_IOC_READ) 9360 POST_MEM_WRITE((Addr)vkui->data, size2); 9361 } 9362 } 9363 break; 9364 9365 /* I2C (/dev/i2c-*) ioctls */ 9366 case VKI_I2C_SLAVE: 9367 case VKI_I2C_SLAVE_FORCE: 9368 case VKI_I2C_TENBIT: 9369 case VKI_I2C_PEC: 9370 break; 9371 case VKI_I2C_FUNCS: 9372 POST_MEM_WRITE( ARG3, sizeof(unsigned long) ); 9373 break; 9374 case VKI_I2C_RDWR: 9375 if ( ARG3 ) { 9376 struct vki_i2c_rdwr_ioctl_data *vkui = (struct vki_i2c_rdwr_ioctl_data *)ARG3; 9377 UInt i; 9378 for (i=0; i < vkui->nmsgs; i++) { 9379 struct vki_i2c_msg *msg = vkui->msgs + i; 9380 if (msg->flags & VKI_I2C_M_RD) 9381 POST_MEM_WRITE((Addr)msg->buf, msg->len); 9382 } 9383 } 9384 break; 9385 case VKI_I2C_SMBUS: 9386 if ( ARG3 ) { 9387 struct vki_i2c_smbus_ioctl_data *vkis 9388 = (struct vki_i2c_smbus_ioctl_data *) ARG3; 9389 /* i2c_smbus_write_quick hides its value in read_write, so 9390 this variable can have a different meaning */ 9391 if ((vkis->read_write == VKI_I2C_SMBUS_READ) 9392 || (vkis->size == VKI_I2C_SMBUS_PROC_CALL) 9393 || (vkis->size == VKI_I2C_SMBUS_BLOCK_PROC_CALL)) { 9394 if ( ! (vkis->size == VKI_I2C_SMBUS_QUICK)) { 9395 UInt size; 9396 switch(vkis->size) { 9397 case VKI_I2C_SMBUS_BYTE: 9398 case VKI_I2C_SMBUS_BYTE_DATA: 9399 size = 1; 9400 break; 9401 case VKI_I2C_SMBUS_WORD_DATA: 9402 case VKI_I2C_SMBUS_PROC_CALL: 9403 size = 2; 9404 break; 9405 case VKI_I2C_SMBUS_BLOCK_DATA: 9406 case VKI_I2C_SMBUS_I2C_BLOCK_BROKEN: 9407 case VKI_I2C_SMBUS_BLOCK_PROC_CALL: 9408 case VKI_I2C_SMBUS_I2C_BLOCK_DATA: 9409 size = 1 + vkis->data->block[0]; 9410 break; 9411 default: 9412 size = 0; 9413 } 9414 POST_MEM_WRITE((Addr)&vkis->data->block[0], size); 9415 } 9416 } 9417 } 9418 break; 9419 9420 /* Wireless extensions ioctls */ 9421 case VKI_SIOCSIWCOMMIT: 9422 case VKI_SIOCSIWNWID: 9423 case VKI_SIOCSIWFREQ: 9424 case VKI_SIOCSIWMODE: 9425 case VKI_SIOCSIWSENS: 9426 case VKI_SIOCSIWRANGE: 9427 case VKI_SIOCSIWPRIV: 9428 case VKI_SIOCSIWSTATS: 9429 case VKI_SIOCSIWSPY: 9430 case VKI_SIOCSIWTHRSPY: 9431 case VKI_SIOCSIWAP: 9432 case VKI_SIOCSIWSCAN: 9433 case VKI_SIOCSIWESSID: 9434 case VKI_SIOCSIWRATE: 9435 case VKI_SIOCSIWNICKN: 9436 case VKI_SIOCSIWRTS: 9437 case VKI_SIOCSIWFRAG: 9438 case VKI_SIOCSIWTXPOW: 9439 case VKI_SIOCSIWRETRY: 9440 case VKI_SIOCSIWENCODE: 9441 case VKI_SIOCSIWPOWER: 9442 case VKI_SIOCSIWGENIE: 9443 case VKI_SIOCSIWMLME: 9444 case VKI_SIOCSIWAUTH: 9445 case VKI_SIOCSIWENCODEEXT: 9446 case VKI_SIOCSIWPMKSA: 9447 break; 9448 case VKI_SIOCGIWNAME: 9449 if (ARG3) { 9450 POST_MEM_WRITE((Addr)((struct vki_iwreq *)ARG3)->u.name, 9451 sizeof(((struct vki_iwreq *)ARG3)->u.name)); 9452 } 9453 break; 9454 case VKI_SIOCGIWNWID: 9455 case VKI_SIOCGIWSENS: 9456 case VKI_SIOCGIWRATE: 9457 case VKI_SIOCGIWRTS: 9458 case VKI_SIOCGIWFRAG: 9459 case VKI_SIOCGIWTXPOW: 9460 case VKI_SIOCGIWRETRY: 9461 case VKI_SIOCGIWPOWER: 9462 case VKI_SIOCGIWAUTH: 9463 if (ARG3) { 9464 POST_MEM_WRITE((Addr)&((struct vki_iwreq *)ARG3)->u.param, 9465 sizeof(struct vki_iw_param)); 9466 } 9467 break; 9468 case VKI_SIOCGIWFREQ: 9469 if (ARG3) { 9470 POST_MEM_WRITE((Addr)&((struct vki_iwreq *)ARG3)->u.freq, 9471 sizeof(struct vki_iw_freq)); 9472 } 9473 break; 9474 case VKI_SIOCGIWMODE: 9475 if (ARG3) { 9476 POST_MEM_WRITE((Addr)&((struct vki_iwreq *)ARG3)->u.mode, 9477 sizeof(__vki_u32)); 9478 } 9479 break; 9480 case VKI_SIOCGIWRANGE: 9481 case VKI_SIOCGIWPRIV: 9482 case VKI_SIOCGIWSTATS: 9483 case VKI_SIOCGIWSPY: 9484 case VKI_SIOCGIWTHRSPY: 9485 case VKI_SIOCGIWAPLIST: 9486 case VKI_SIOCGIWSCAN: 9487 case VKI_SIOCGIWESSID: 9488 case VKI_SIOCGIWNICKN: 9489 case VKI_SIOCGIWENCODE: 9490 case VKI_SIOCGIWGENIE: 9491 case VKI_SIOCGIWENCODEEXT: 9492 if (ARG3) { 9493 struct vki_iw_point* point; 9494 point = &((struct vki_iwreq *)ARG3)->u.data; 9495 POST_MEM_WRITE((Addr)point->pointer, point->length); 9496 } 9497 break; 9498 case VKI_SIOCGIWAP: 9499 if (ARG3) { 9500 POST_MEM_WRITE((Addr)&((struct vki_iwreq *)ARG3)->u.ap_addr, 9501 sizeof(struct vki_sockaddr)); 9502 } 9503 break; 9504 9505 # if defined(VGPV_arm_linux_android) || defined(VGPV_x86_linux_android) \ 9506 || defined(VGPV_mips32_linux_android) 9507 /* ashmem */ 9508 case VKI_ASHMEM_GET_SIZE: 9509 case VKI_ASHMEM_SET_SIZE: 9510 case VKI_ASHMEM_GET_PROT_MASK: 9511 case VKI_ASHMEM_SET_PROT_MASK: 9512 case VKI_ASHMEM_GET_PIN_STATUS: 9513 case VKI_ASHMEM_PURGE_ALL_CACHES: 9514 case VKI_ASHMEM_SET_NAME: 9515 case VKI_ASHMEM_PIN: 9516 case VKI_ASHMEM_UNPIN: 9517 break; 9518 case VKI_ASHMEM_GET_NAME: 9519 POST_MEM_WRITE( ARG3, VKI_ASHMEM_NAME_LEN ); 9520 break; 9521 9522 /* binder */ 9523 case VKI_BINDER_WRITE_READ: 9524 if (ARG3) { 9525 struct vki_binder_write_read* bwr 9526 = (struct vki_binder_write_read*)ARG3; 9527 POST_FIELD_WRITE(bwr->write_consumed); 9528 POST_FIELD_WRITE(bwr->read_consumed); 9529 9530 if (bwr->read_size) 9531 POST_MEM_WRITE((Addr)bwr->read_buffer, bwr->read_consumed); 9532 } 9533 break; 9534 9535 case VKI_BINDER_SET_IDLE_TIMEOUT: 9536 case VKI_BINDER_SET_MAX_THREADS: 9537 case VKI_BINDER_SET_IDLE_PRIORITY: 9538 case VKI_BINDER_SET_CONTEXT_MGR: 9539 case VKI_BINDER_THREAD_EXIT: 9540 break; 9541 case VKI_BINDER_VERSION: 9542 if (ARG3) { 9543 struct vki_binder_version* bv = (struct vki_binder_version*)ARG3; 9544 POST_FIELD_WRITE(bv->protocol_version); 9545 } 9546 break; 9547 # endif /* defined(VGPV_*_linux_android) */ 9548 9549 case VKI_HCIGETDEVLIST: 9550 if (ARG3) { 9551 struct vki_hci_dev_list_req* dlr = (struct vki_hci_dev_list_req*)ARG3; 9552 POST_MEM_WRITE((Addr)ARG3 + sizeof(struct vki_hci_dev_list_req), 9553 dlr->dev_num * sizeof(struct vki_hci_dev_req)); 9554 } 9555 break; 9556 9557 case VKI_HCIINQUIRY: 9558 if (ARG3) { 9559 struct vki_hci_inquiry_req* ir = (struct vki_hci_inquiry_req*)ARG3; 9560 POST_MEM_WRITE((Addr)ARG3 + sizeof(struct vki_hci_inquiry_req), 9561 ir->num_rsp * sizeof(struct vki_inquiry_info)); 9562 } 9563 break; 9564 9565 case VKI_DRM_IOCTL_VERSION: 9566 if (ARG3) { 9567 struct vki_drm_version *data = (struct vki_drm_version *)ARG3; 9568 POST_MEM_WRITE((Addr)&data->version_major, sizeof(data->version_major)); 9569 POST_MEM_WRITE((Addr)&data->version_minor, sizeof(data->version_minor)); 9570 POST_MEM_WRITE((Addr)&data->version_patchlevel, sizeof(data->version_patchlevel)); 9571 POST_MEM_WRITE((Addr)&data->name_len, sizeof(data->name_len)); 9572 POST_MEM_WRITE((Addr)data->name, data->name_len); 9573 POST_MEM_WRITE((Addr)&data->date_len, sizeof(data->date_len)); 9574 POST_MEM_WRITE((Addr)data->date, data->date_len); 9575 POST_MEM_WRITE((Addr)&data->desc_len, sizeof(data->desc_len)); 9576 POST_MEM_WRITE((Addr)data->desc, data->desc_len); 9577 } 9578 break; 9579 case VKI_DRM_IOCTL_GET_UNIQUE: 9580 if (ARG3) { 9581 struct vki_drm_unique *data = (struct vki_drm_unique *)ARG3; 9582 POST_MEM_WRITE((Addr)data->unique, sizeof(data->unique_len)); 9583 } 9584 break; 9585 case VKI_DRM_IOCTL_GET_MAGIC: 9586 if (ARG3) { 9587 struct vki_drm_auth *data = (struct vki_drm_auth *)ARG3; 9588 POST_MEM_WRITE((Addr)&data->magic, sizeof(data->magic)); 9589 } 9590 break; 9591 case VKI_DRM_IOCTL_WAIT_VBLANK: 9592 if (ARG3) { 9593 union vki_drm_wait_vblank *data = (union vki_drm_wait_vblank *)ARG3; 9594 POST_MEM_WRITE((Addr)&data->reply, sizeof(data->reply)); 9595 } 9596 break; 9597 case VKI_DRM_IOCTL_GEM_FLINK: 9598 if (ARG3) { 9599 struct vki_drm_gem_flink *data = (struct vki_drm_gem_flink *)ARG3; 9600 POST_MEM_WRITE((Addr)&data->name, sizeof(data->name)); 9601 } 9602 break; 9603 case VKI_DRM_IOCTL_GEM_OPEN: 9604 if (ARG3) { 9605 struct vki_drm_gem_open *data = (struct vki_drm_gem_open *)ARG3; 9606 POST_MEM_WRITE((Addr)&data->handle, sizeof(data->handle)); 9607 POST_MEM_WRITE((Addr)&data->size, sizeof(data->size)); 9608 } 9609 break; 9610 case VKI_DRM_IOCTL_I915_GETPARAM: 9611 if (ARG3) { 9612 vki_drm_i915_getparam_t *data = (vki_drm_i915_getparam_t *)ARG3; 9613 POST_MEM_WRITE((Addr)data->value, sizeof(int)); 9614 } 9615 break; 9616 case VKI_DRM_IOCTL_I915_GEM_BUSY: 9617 if (ARG3) { 9618 struct vki_drm_i915_gem_busy *data = (struct vki_drm_i915_gem_busy *)ARG3; 9619 POST_MEM_WRITE((Addr)&data->busy, sizeof(data->busy)); 9620 } 9621 break; 9622 case VKI_DRM_IOCTL_I915_GEM_CREATE: 9623 if (ARG3) { 9624 struct vki_drm_i915_gem_create *data = (struct vki_drm_i915_gem_create *)ARG3; 9625 POST_MEM_WRITE((Addr)&data->handle, sizeof(data->handle)); 9626 } 9627 break; 9628 case VKI_DRM_IOCTL_I915_GEM_PREAD: 9629 if (ARG3) { 9630 struct vki_drm_i915_gem_pread *data = (struct vki_drm_i915_gem_pread *)ARG3; 9631 POST_MEM_WRITE((Addr)data->data_ptr, data->size); 9632 } 9633 break; 9634 case VKI_DRM_IOCTL_I915_GEM_MMAP_GTT: 9635 if (ARG3) { 9636 struct vki_drm_i915_gem_mmap_gtt *data = (struct vki_drm_i915_gem_mmap_gtt *)ARG3; 9637 POST_MEM_WRITE((Addr)&data->offset, sizeof(data->offset)); 9638 } 9639 break; 9640 case VKI_DRM_IOCTL_I915_GEM_SET_TILING: 9641 if (ARG3) { 9642 struct vki_drm_i915_gem_set_tiling *data = (struct vki_drm_i915_gem_set_tiling *)ARG3; 9643 POST_MEM_WRITE((Addr)&data->tiling_mode, sizeof(data->tiling_mode)); 9644 POST_MEM_WRITE((Addr)&data->stride, sizeof(data->stride)); 9645 POST_MEM_WRITE((Addr)&data->swizzle_mode, sizeof(data->swizzle_mode)); 9646 } 9647 break; 9648 case VKI_DRM_IOCTL_I915_GEM_GET_TILING: 9649 if (ARG3) { 9650 struct vki_drm_i915_gem_get_tiling *data = (struct vki_drm_i915_gem_get_tiling *)ARG3; 9651 POST_MEM_WRITE((Addr)&data->tiling_mode, sizeof(data->tiling_mode)); 9652 POST_MEM_WRITE((Addr)&data->swizzle_mode, sizeof(data->swizzle_mode)); 9653 } 9654 break; 9655 case VKI_DRM_IOCTL_I915_GEM_GET_APERTURE: 9656 if (ARG3) { 9657 struct vki_drm_i915_gem_get_aperture *data = (struct vki_drm_i915_gem_get_aperture *)ARG3; 9658 POST_MEM_WRITE((Addr)&data->aper_size, sizeof(data->aper_size)); 9659 POST_MEM_WRITE((Addr)&data->aper_available_size, sizeof(data->aper_available_size)); 9660 } 9661 break; 9662 9663 /* KVM ioctls that only write the system call return value */ 9664 case VKI_KVM_GET_API_VERSION: 9665 case VKI_KVM_CREATE_VM: 9666 case VKI_KVM_CHECK_EXTENSION: 9667 case VKI_KVM_GET_VCPU_MMAP_SIZE: 9668 case VKI_KVM_S390_ENABLE_SIE: 9669 case VKI_KVM_CREATE_VCPU: 9670 case VKI_KVM_SET_TSS_ADDR: 9671 case VKI_KVM_CREATE_IRQCHIP: 9672 case VKI_KVM_RUN: 9673 case VKI_KVM_S390_INITIAL_RESET: 9674 case VKI_KVM_KVMCLOCK_CTRL: 9675 break; 9676 9677 case VKI_KVM_S390_MEM_OP: { 9678 struct vki_kvm_s390_mem_op *args = 9679 (struct vki_kvm_s390_mem_op *)(ARG3); 9680 if (args->flags & VKI_KVM_S390_MEMOP_F_CHECK_ONLY) 9681 break; 9682 if (args->op == VKI_KVM_S390_MEMOP_LOGICAL_READ) 9683 POST_MEM_WRITE((Addr)args->buf, args->size); 9684 } 9685 break; 9686 9687 #ifdef ENABLE_XEN 9688 case VKI_XEN_IOCTL_PRIVCMD_HYPERCALL: { 9689 SyscallArgs harrghs; 9690 struct vki_xen_privcmd_hypercall *args = 9691 (struct vki_xen_privcmd_hypercall *)(ARG3); 9692 9693 if (!args) 9694 break; 9695 9696 VG_(memset)(&harrghs, 0, sizeof(harrghs)); 9697 harrghs.sysno = args->op; 9698 harrghs.arg1 = args->arg[0]; 9699 harrghs.arg2 = args->arg[1]; 9700 harrghs.arg3 = args->arg[2]; 9701 harrghs.arg4 = args->arg[3]; 9702 harrghs.arg5 = args->arg[4]; 9703 harrghs.arg6 = harrghs.arg7 = harrghs.arg8 = 0; 9704 9705 WRAPPER_POST_NAME(xen, hypercall) (tid, &harrghs, status); 9706 } 9707 break; 9708 9709 case VKI_XEN_IOCTL_PRIVCMD_MMAP: 9710 break; 9711 case VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH: { 9712 struct vki_xen_privcmd_mmapbatch *args = 9713 (struct vki_xen_privcmd_mmapbatch *)(ARG3); 9714 POST_MEM_WRITE((Addr)args->arr, sizeof(*(args->arr)) * args->num); 9715 } 9716 break; 9717 case VKI_XEN_IOCTL_PRIVCMD_MMAPBATCH_V2: { 9718 struct vki_xen_privcmd_mmapbatch_v2 *args = 9719 (struct vki_xen_privcmd_mmapbatch_v2 *)(ARG3); 9720 POST_MEM_WRITE((Addr)args->err, sizeof(*(args->err)) * args->num); 9721 } 9722 break; 9723 9724 case VKI_XEN_IOCTL_EVTCHN_BIND_VIRQ: 9725 case VKI_XEN_IOCTL_EVTCHN_BIND_INTERDOMAIN: 9726 case VKI_XEN_IOCTL_EVTCHN_BIND_UNBOUND_PORT: 9727 case VKI_XEN_IOCTL_EVTCHN_UNBIND: 9728 case VKI_XEN_IOCTL_EVTCHN_NOTIFY: 9729 case VKI_XEN_IOCTL_EVTCHN_RESET: 9730 /* No output */ 9731 break; 9732 #endif 9733 9734 /* Lustre */ 9735 case VKI_OBD_IOC_FID2PATH: { 9736 struct vki_getinfo_fid2path *args = (void *)(ARG3); 9737 POST_FIELD_WRITE(args->gf_recno); 9738 POST_FIELD_WRITE(args->gf_linkno); 9739 POST_MEM_WRITE((Addr)args->gf_path, VG_(strlen)(args->gf_path)+1); 9740 break; 9741 } 9742 9743 case VKI_LL_IOC_PATH2FID: 9744 POST_MEM_WRITE(ARG3, sizeof(struct vki_lu_fid)); 9745 break; 9746 9747 case VKI_LL_IOC_GETPARENT: { 9748 struct vki_getparent *gp = (struct vki_getparent *)ARG3; 9749 POST_FIELD_WRITE(gp->gp_fid); 9750 POST_MEM_WRITE((Addr)gp->gp_name, VG_(strlen)(gp->gp_name)+1); 9751 break; 9752 } 9753 9754 /* V4L2 */ 9755 case VKI_V4L2_S_FMT: 9756 case VKI_V4L2_TRY_FMT: 9757 case VKI_V4L2_REQBUFS: 9758 case VKI_V4L2_OVERLAY: 9759 case VKI_V4L2_STREAMON: 9760 case VKI_V4L2_STREAMOFF: 9761 case VKI_V4L2_S_PARM: 9762 case VKI_V4L2_S_STD: 9763 case VKI_V4L2_S_FREQUENCY: 9764 case VKI_V4L2_S_CTRL: 9765 case VKI_V4L2_S_TUNER: 9766 case VKI_V4L2_S_AUDIO: 9767 case VKI_V4L2_S_INPUT: 9768 case VKI_V4L2_S_EDID: 9769 case VKI_V4L2_S_OUTPUT: 9770 case VKI_V4L2_S_AUDOUT: 9771 case VKI_V4L2_S_MODULATOR: 9772 case VKI_V4L2_S_JPEGCOMP: 9773 case VKI_V4L2_S_CROP: 9774 case VKI_V4L2_S_PRIORITY: 9775 case VKI_V4L2_S_HW_FREQ_SEEK: 9776 case VKI_V4L2_S_DV_TIMINGS: 9777 case VKI_V4L2_SUBSCRIBE_EVENT: 9778 case VKI_V4L2_UNSUBSCRIBE_EVENT: 9779 case VKI_V4L2_PREPARE_BUF: 9780 break; 9781 case VKI_V4L2_QUERYCAP: { 9782 struct vki_v4l2_capability *data = (struct vki_v4l2_capability *)ARG3; 9783 POST_MEM_WRITE((Addr)data, sizeof(*data)); 9784 break; 9785 } 9786 case VKI_V4L2_ENUM_FMT: { 9787 struct vki_v4l2_fmtdesc *data = (struct vki_v4l2_fmtdesc *)ARG3; 9788 POST_FIELD_WRITE(data->flags); 9789 POST_FIELD_WRITE(data->description); 9790 POST_FIELD_WRITE(data->pixelformat); 9791 POST_FIELD_WRITE(data->reserved); 9792 break; 9793 } 9794 case VKI_V4L2_G_FMT: { 9795 struct vki_v4l2_format *data = (struct vki_v4l2_format *)ARG3; 9796 switch (data->type) { 9797 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE: 9798 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT: 9799 POST_FIELD_WRITE(data->fmt.pix); 9800 break; 9801 case VKI_V4L2_BUF_TYPE_VBI_CAPTURE: 9802 case VKI_V4L2_BUF_TYPE_VBI_OUTPUT: 9803 POST_FIELD_WRITE(data->fmt.vbi); 9804 break; 9805 case VKI_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 9806 case VKI_V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 9807 POST_FIELD_WRITE(data->fmt.sliced); 9808 break; 9809 case VKI_V4L2_BUF_TYPE_VIDEO_OVERLAY: 9810 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 9811 POST_FIELD_WRITE(data->fmt.win); 9812 break; 9813 case VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 9814 case VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 9815 POST_FIELD_WRITE(data->fmt.pix_mp); 9816 break; 9817 case VKI_V4L2_BUF_TYPE_SDR_CAPTURE: 9818 POST_FIELD_WRITE(data->fmt.sdr); 9819 break; 9820 } 9821 break; 9822 } 9823 case VKI_V4L2_QUERYBUF: { 9824 struct vki_v4l2_buffer *data = (struct vki_v4l2_buffer *)ARG3; 9825 if (data->type == VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 9826 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 9827 unsigned i; 9828 9829 for (i = 0; i < data->length; i++) { 9830 POST_FIELD_WRITE(data->m.planes[i].bytesused); 9831 POST_FIELD_WRITE(data->m.planes[i].length); 9832 POST_FIELD_WRITE(data->m.planes[i].m); 9833 POST_FIELD_WRITE(data->m.planes[i].data_offset); 9834 POST_FIELD_WRITE(data->m.planes[i].reserved); 9835 } 9836 } else { 9837 POST_FIELD_WRITE(data->m); 9838 POST_FIELD_WRITE(data->length); 9839 } 9840 POST_FIELD_WRITE(data->bytesused); 9841 POST_FIELD_WRITE(data->flags); 9842 POST_FIELD_WRITE(data->field); 9843 POST_FIELD_WRITE(data->timestamp); 9844 POST_FIELD_WRITE(data->timecode); 9845 POST_FIELD_WRITE(data->sequence); 9846 POST_FIELD_WRITE(data->memory); 9847 POST_FIELD_WRITE(data->sequence); 9848 break; 9849 } 9850 case VKI_V4L2_G_FBUF: { 9851 struct vki_v4l2_framebuffer *data = (struct vki_v4l2_framebuffer *)ARG3; 9852 POST_MEM_WRITE((Addr)data, sizeof(*data)); 9853 break; 9854 } 9855 case VKI_V4L2_S_FBUF: { 9856 struct vki_v4l2_framebuffer *data = (struct vki_v4l2_framebuffer *)ARG3; 9857 POST_FIELD_WRITE(data->capability); 9858 POST_FIELD_WRITE(data->flags); 9859 POST_FIELD_WRITE(data->fmt); 9860 break; 9861 } 9862 case VKI_V4L2_QBUF: { 9863 struct vki_v4l2_buffer *data = (struct vki_v4l2_buffer *)ARG3; 9864 9865 if (data->type == VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 9866 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 9867 unsigned i; 9868 9869 for (i = 0; i < data->length; i++) { 9870 POST_FIELD_WRITE(data->m.planes[i].length); 9871 if (data->memory == VKI_V4L2_MEMORY_MMAP) 9872 POST_FIELD_WRITE(data->m.planes[i].m); 9873 } 9874 } else { 9875 if (data->memory == VKI_V4L2_MEMORY_MMAP) 9876 POST_FIELD_WRITE(data->m); 9877 POST_FIELD_WRITE(data->length); 9878 } 9879 break; 9880 } 9881 case VKI_V4L2_EXPBUF: { 9882 struct vki_v4l2_exportbuffer *data = (struct vki_v4l2_exportbuffer *)ARG3; 9883 POST_FIELD_WRITE(data->fd); 9884 break; 9885 } 9886 case VKI_V4L2_DQBUF: { 9887 struct vki_v4l2_buffer *data = (struct vki_v4l2_buffer *)ARG3; 9888 POST_FIELD_WRITE(data->index); 9889 POST_FIELD_WRITE(data->bytesused); 9890 POST_FIELD_WRITE(data->field); 9891 if (data->type == VKI_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 9892 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 9893 unsigned i; 9894 9895 for (i = 0; i < data->length; i++) { 9896 POST_FIELD_WRITE(data->m.planes[i].bytesused); 9897 POST_FIELD_WRITE(data->m.planes[i].data_offset); 9898 POST_FIELD_WRITE(data->m.planes[i].length); 9899 POST_FIELD_WRITE(data->m.planes[i].m); 9900 } 9901 } else { 9902 POST_FIELD_WRITE(data->m); 9903 POST_FIELD_WRITE(data->length); 9904 POST_FIELD_WRITE(data->bytesused); 9905 POST_FIELD_WRITE(data->field); 9906 } 9907 POST_FIELD_WRITE(data->timestamp); 9908 POST_FIELD_WRITE(data->timecode); 9909 POST_FIELD_WRITE(data->sequence); 9910 break; 9911 } 9912 case VKI_V4L2_G_PARM: { 9913 struct vki_v4l2_streamparm *data = (struct vki_v4l2_streamparm *)ARG3; 9914 int is_output = data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT || 9915 data->type == VKI_V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || 9916 data->type == VKI_V4L2_BUF_TYPE_VBI_OUTPUT || 9917 data->type == VKI_V4L2_BUF_TYPE_SLICED_VBI_OUTPUT; 9918 9919 if (is_output) 9920 POST_MEM_WRITE((Addr)&data->parm.output, 9921 sizeof(data->parm.output) - sizeof(data->parm.output.reserved)); 9922 else 9923 POST_MEM_WRITE((Addr)&data->parm.capture, 9924 sizeof(data->parm.capture) - sizeof(data->parm.capture.reserved)); 9925 break; 9926 } 9927 case VKI_V4L2_G_STD: { 9928 vki_v4l2_std_id *data = (vki_v4l2_std_id *)ARG3; 9929 POST_MEM_WRITE((Addr)data, sizeof(*data)); 9930 break; 9931 } 9932 case VKI_V4L2_ENUMSTD: { 9933 struct vki_v4l2_standard *data = (struct vki_v4l2_standard *)ARG3; 9934 POST_MEM_WRITE((Addr)&data->id, sizeof(*data) - sizeof(data->index)); 9935 break; 9936 } 9937 case VKI_V4L2_ENUMINPUT: { 9938 struct vki_v4l2_input *data = (struct vki_v4l2_input *)ARG3; 9939 POST_MEM_WRITE((Addr)data->name, sizeof(*data) - sizeof(data->index)); 9940 break; 9941 } 9942 case VKI_V4L2_G_CTRL: { 9943 struct vki_v4l2_control *data = (struct vki_v4l2_control *)ARG3; 9944 POST_FIELD_WRITE(data->value); 9945 break; 9946 } 9947 case VKI_V4L2_G_TUNER: { 9948 struct vki_v4l2_tuner *data = (struct vki_v4l2_tuner *)ARG3; 9949 POST_MEM_WRITE((Addr)data->name, 9950 sizeof(*data) - sizeof(data->index) - sizeof(data->reserved)); 9951 break; 9952 } 9953 case VKI_V4L2_G_AUDIO: { 9954 struct vki_v4l2_audio *data = (struct vki_v4l2_audio *)ARG3; 9955 POST_MEM_WRITE((Addr)data, 9956 sizeof(*data) - sizeof(data->reserved)); 9957 break; 9958 } 9959 case VKI_V4L2_QUERYCTRL: { 9960 struct vki_v4l2_queryctrl *data = (struct vki_v4l2_queryctrl *)ARG3; 9961 POST_MEM_WRITE((Addr)&data->type, 9962 sizeof(*data) - sizeof(data->id)); 9963 break; 9964 } 9965 case VKI_V4L2_QUERYMENU: { 9966 struct vki_v4l2_querymenu *data = (struct vki_v4l2_querymenu *)ARG3; 9967 POST_MEM_WRITE((Addr)data->name, 9968 sizeof(*data) - sizeof(data->id) - sizeof(data->index)); 9969 break; 9970 } 9971 case VKI_V4L2_G_INPUT: { 9972 int *data = (int *)ARG3; 9973 POST_MEM_WRITE((Addr)data, sizeof(*data)); 9974 break; 9975 } 9976 case VKI_V4L2_G_EDID: { 9977 struct vki_v4l2_edid *data = (struct vki_v4l2_edid *)ARG3; 9978 if (data->blocks && data->edid) 9979 POST_MEM_WRITE((Addr)data->edid, data->blocks * 128); 9980 break; 9981 } 9982 case VKI_V4L2_G_OUTPUT: { 9983 int *data = (int *)ARG3; 9984 POST_MEM_WRITE((Addr)data, sizeof(*data)); 9985 break; 9986 } 9987 case VKI_V4L2_ENUMOUTPUT: { 9988 struct vki_v4l2_output *data = (struct vki_v4l2_output *)ARG3; 9989 POST_MEM_WRITE((Addr)data->name, sizeof(*data) - sizeof(data->index)); 9990 break; 9991 } 9992 case VKI_V4L2_G_AUDOUT: { 9993 struct vki_v4l2_audioout *data = (struct vki_v4l2_audioout *)ARG3; 9994 POST_MEM_WRITE((Addr)data, 9995 sizeof(*data) - sizeof(data->reserved)); 9996 break; 9997 } 9998 case VKI_V4L2_G_MODULATOR: { 9999 struct vki_v4l2_modulator *data = (struct vki_v4l2_modulator *)ARG3; 10000 POST_MEM_WRITE((Addr)data->name, 10001 sizeof(*data) - sizeof(data->index) - sizeof(data->reserved)); 10002 break; 10003 } 10004 case VKI_V4L2_G_FREQUENCY: { 10005 struct vki_v4l2_frequency *data = (struct vki_v4l2_frequency *)ARG3; 10006 POST_FIELD_WRITE(data->type); 10007 POST_FIELD_WRITE(data->frequency); 10008 break; 10009 } 10010 case VKI_V4L2_CROPCAP: { 10011 struct vki_v4l2_cropcap *data = (struct vki_v4l2_cropcap *)ARG3; 10012 POST_MEM_WRITE((Addr)&data->bounds, sizeof(*data) - sizeof(data->type)); 10013 break; 10014 } 10015 case VKI_V4L2_G_CROP: { 10016 struct vki_v4l2_crop *data = (struct vki_v4l2_crop *)ARG3; 10017 POST_FIELD_WRITE(data->c); 10018 break; 10019 } 10020 case VKI_V4L2_G_JPEGCOMP: { 10021 struct vki_v4l2_jpegcompression *data = (struct vki_v4l2_jpegcompression *)ARG3; 10022 POST_MEM_WRITE((Addr)data, sizeof(*data)); 10023 break; 10024 } 10025 case VKI_V4L2_QUERYSTD: { 10026 vki_v4l2_std_id *data = (vki_v4l2_std_id *)ARG3; 10027 POST_MEM_WRITE((Addr)data, sizeof(*data)); 10028 break; 10029 } 10030 case VKI_V4L2_ENUMAUDIO: { 10031 struct vki_v4l2_audio *data = (struct vki_v4l2_audio *)ARG3; 10032 POST_MEM_WRITE((Addr)data->name, 10033 sizeof(*data) - sizeof(data->index) - sizeof(data->reserved)); 10034 break; 10035 } 10036 case VKI_V4L2_ENUMAUDOUT: { 10037 struct vki_v4l2_audioout *data = (struct vki_v4l2_audioout *)ARG3; 10038 POST_MEM_WRITE((Addr)data->name, 10039 sizeof(*data) - sizeof(data->index) - sizeof(data->reserved)); 10040 break; 10041 } 10042 case VKI_V4L2_G_PRIORITY: { 10043 __vki_u32 *data = (__vki_u32 *)ARG3; 10044 POST_MEM_WRITE((Addr)data, sizeof(*data)); 10045 break; 10046 } 10047 case VKI_V4L2_G_SLICED_VBI_CAP: { 10048 struct vki_v4l2_sliced_vbi_cap *data = (struct vki_v4l2_sliced_vbi_cap *)ARG3; 10049 POST_MEM_WRITE((Addr)data, 10050 sizeof(*data) - sizeof(data->type) - sizeof(data->reserved)); 10051 break; 10052 } 10053 case VKI_V4L2_G_EXT_CTRLS: { 10054 struct vki_v4l2_ext_controls *data = (struct vki_v4l2_ext_controls *)ARG3; 10055 if (data->count) { 10056 unsigned i; 10057 10058 for (i = 0; i < data->count; i++) { 10059 if (data->controls[i].size) 10060 POST_MEM_WRITE((Addr)data->controls[i].ptr, data->controls[i].size); 10061 else 10062 POST_FIELD_WRITE(data->controls[i].value64); 10063 } 10064 } 10065 POST_FIELD_WRITE(data->error_idx); 10066 break; 10067 } 10068 case VKI_V4L2_S_EXT_CTRLS: { 10069 struct vki_v4l2_ext_controls *data = (struct vki_v4l2_ext_controls *)ARG3; 10070 POST_FIELD_WRITE(data->error_idx); 10071 break; 10072 } 10073 case VKI_V4L2_TRY_EXT_CTRLS: { 10074 struct vki_v4l2_ext_controls *data = (struct vki_v4l2_ext_controls *)ARG3; 10075 POST_FIELD_WRITE(data->error_idx); 10076 break; 10077 } 10078 case VKI_V4L2_ENUM_FRAMESIZES: { 10079 struct vki_v4l2_frmsizeenum *data = (struct vki_v4l2_frmsizeenum *)ARG3; 10080 POST_FIELD_WRITE(data->type); 10081 POST_FIELD_WRITE(data->stepwise); 10082 break; 10083 } 10084 case VKI_V4L2_ENUM_FRAMEINTERVALS: { 10085 struct vki_v4l2_frmivalenum *data = (struct vki_v4l2_frmivalenum *)ARG3; 10086 POST_FIELD_WRITE(data->type); 10087 POST_FIELD_WRITE(data->stepwise); 10088 break; 10089 } 10090 case VKI_V4L2_G_ENC_INDEX: { 10091 struct vki_v4l2_enc_idx *data = (struct vki_v4l2_enc_idx *)ARG3; 10092 POST_MEM_WRITE((Addr)data, sizeof(*data)); 10093 break; 10094 } 10095 case VKI_V4L2_ENCODER_CMD: { 10096 struct vki_v4l2_encoder_cmd *data = (struct vki_v4l2_encoder_cmd *)ARG3; 10097 POST_FIELD_WRITE(data->flags); 10098 break; 10099 } 10100 case VKI_V4L2_TRY_ENCODER_CMD: { 10101 struct vki_v4l2_encoder_cmd *data = (struct vki_v4l2_encoder_cmd *)ARG3; 10102 POST_FIELD_WRITE(data->flags); 10103 break; 10104 } 10105 case VKI_V4L2_DBG_S_REGISTER: { 10106 struct vki_v4l2_dbg_register *data = (struct vki_v4l2_dbg_register *)ARG3; 10107 POST_FIELD_WRITE(data->size); 10108 break; 10109 } 10110 case VKI_V4L2_DBG_G_REGISTER: { 10111 struct vki_v4l2_dbg_register *data = (struct vki_v4l2_dbg_register *)ARG3; 10112 POST_FIELD_WRITE(data->val); 10113 POST_FIELD_WRITE(data->size); 10114 break; 10115 } 10116 case VKI_V4L2_G_DV_TIMINGS: { 10117 struct vki_v4l2_dv_timings *data = (struct vki_v4l2_dv_timings *)ARG3; 10118 POST_MEM_WRITE((Addr)data, sizeof(*data)); 10119 break; 10120 } 10121 case VKI_V4L2_DQEVENT: { 10122 struct vki_v4l2_event *data = (struct vki_v4l2_event *)ARG3; 10123 POST_MEM_WRITE((Addr)data, sizeof(*data)); 10124 break; 10125 } 10126 case VKI_V4L2_CREATE_BUFS: { 10127 struct vki_v4l2_create_buffers *data = (struct vki_v4l2_create_buffers *)ARG3; 10128 POST_FIELD_WRITE(data->index); 10129 break; 10130 } 10131 case VKI_V4L2_G_SELECTION: { 10132 struct vki_v4l2_selection *data = (struct vki_v4l2_selection *)ARG3; 10133 POST_FIELD_WRITE(data->r); 10134 break; 10135 } 10136 case VKI_V4L2_S_SELECTION: { 10137 struct vki_v4l2_selection *data = (struct vki_v4l2_selection *)ARG3; 10138 POST_FIELD_WRITE(data->r); 10139 break; 10140 } 10141 case VKI_V4L2_DECODER_CMD: { 10142 struct vki_v4l2_decoder_cmd *data = (struct vki_v4l2_decoder_cmd *)ARG3; 10143 POST_FIELD_WRITE(data->flags); 10144 break; 10145 } 10146 case VKI_V4L2_TRY_DECODER_CMD: { 10147 struct vki_v4l2_decoder_cmd *data = (struct vki_v4l2_decoder_cmd *)ARG3; 10148 POST_FIELD_WRITE(data->flags); 10149 break; 10150 } 10151 case VKI_V4L2_ENUM_DV_TIMINGS: { 10152 struct vki_v4l2_enum_dv_timings *data = (struct vki_v4l2_enum_dv_timings *)ARG3; 10153 POST_FIELD_WRITE(data->timings); 10154 break; 10155 } 10156 case VKI_V4L2_QUERY_DV_TIMINGS: { 10157 struct vki_v4l2_dv_timings *data = (struct vki_v4l2_dv_timings *)ARG3; 10158 POST_MEM_WRITE((Addr)data, sizeof(*data)); 10159 break; 10160 } 10161 case VKI_V4L2_DV_TIMINGS_CAP: { 10162 struct vki_v4l2_dv_timings_cap *data = (struct vki_v4l2_dv_timings_cap *)ARG3; 10163 POST_MEM_WRITE((Addr)data, sizeof(*data)); 10164 break; 10165 } 10166 case VKI_V4L2_ENUM_FREQ_BANDS: { 10167 struct vki_v4l2_frequency_band *data = (struct vki_v4l2_frequency_band *)ARG3; 10168 POST_FIELD_WRITE(data->capability); 10169 POST_FIELD_WRITE(data->rangelow); 10170 POST_FIELD_WRITE(data->rangehigh); 10171 POST_FIELD_WRITE(data->modulation); 10172 break; 10173 } 10174 case VKI_V4L2_DBG_G_CHIP_INFO: { 10175 struct vki_v4l2_dbg_chip_info *data = (struct vki_v4l2_dbg_chip_info *)ARG3; 10176 POST_FIELD_WRITE(data->name); 10177 POST_FIELD_WRITE(data->flags); 10178 break; 10179 } 10180 case VKI_V4L2_QUERY_EXT_CTRL: { 10181 struct vki_v4l2_query_ext_ctrl *data = (struct vki_v4l2_query_ext_ctrl *)ARG3; 10182 POST_MEM_WRITE((Addr)&data->type, 10183 sizeof(*data) - sizeof(data->id) - sizeof(data->reserved)); 10184 break; 10185 } 10186 10187 case VKI_V4L2_SUBDEV_S_FMT: 10188 case VKI_V4L2_SUBDEV_S_FRAME_INTERVAL: 10189 case VKI_V4L2_SUBDEV_S_CROP: 10190 case VKI_V4L2_SUBDEV_S_SELECTION: 10191 break; 10192 10193 case VKI_V4L2_SUBDEV_G_FMT: { 10194 struct vki_v4l2_subdev_format *data = (struct vki_v4l2_subdev_format *)ARG3; 10195 POST_FIELD_WRITE(data->format); 10196 break; 10197 } 10198 case VKI_V4L2_SUBDEV_G_FRAME_INTERVAL: { 10199 struct vki_v4l2_subdev_frame_interval *data = (struct vki_v4l2_subdev_frame_interval *)ARG3; 10200 POST_FIELD_WRITE(data->interval); 10201 break; 10202 } 10203 case VKI_V4L2_SUBDEV_ENUM_MBUS_CODE: { 10204 struct vki_v4l2_subdev_mbus_code_enum *data = (struct vki_v4l2_subdev_mbus_code_enum *)ARG3; 10205 POST_FIELD_WRITE(data->code); 10206 break; 10207 } 10208 case VKI_V4L2_SUBDEV_ENUM_FRAME_SIZE: { 10209 struct vki_v4l2_subdev_frame_size_enum *data = (struct vki_v4l2_subdev_frame_size_enum *)ARG3; 10210 POST_FIELD_WRITE(data->min_width); 10211 POST_FIELD_WRITE(data->min_height); 10212 POST_FIELD_WRITE(data->max_width); 10213 POST_FIELD_WRITE(data->max_height); 10214 break; 10215 } 10216 case VKI_V4L2_SUBDEV_ENUM_FRAME_INTERVAL: { 10217 struct vki_v4l2_subdev_frame_interval_enum *data = (struct vki_v4l2_subdev_frame_interval_enum *)ARG3; 10218 POST_FIELD_WRITE(data->interval); 10219 break; 10220 } 10221 case VKI_V4L2_SUBDEV_G_CROP: { 10222 struct vki_v4l2_subdev_crop *data = (struct vki_v4l2_subdev_crop *)ARG3; 10223 POST_FIELD_WRITE(data->rect); 10224 break; 10225 } 10226 case VKI_V4L2_SUBDEV_G_SELECTION: { 10227 struct vki_v4l2_subdev_selection *data = (struct vki_v4l2_subdev_selection *)ARG3; 10228 POST_FIELD_WRITE(data->r); 10229 break; 10230 } 10231 case VKI_MEDIA_IOC_DEVICE_INFO: { 10232 struct vki_media_device_info *data = (struct vki_media_device_info *)ARG3; 10233 POST_MEM_WRITE((Addr)data, sizeof(*data) - sizeof(data->reserved)); 10234 break; 10235 } 10236 case VKI_MEDIA_IOC_ENUM_ENTITIES: { 10237 struct vki_media_entity_desc *data = (struct vki_media_entity_desc *)ARG3; 10238 POST_MEM_WRITE((Addr)data->name, sizeof(*data) - sizeof(data->id)); 10239 break; 10240 } 10241 case VKI_MEDIA_IOC_ENUM_LINKS: 10242 /* 10243 * This ioctl does write to the provided pointers, but it's not 10244 * possible to deduce the size of the array those pointers point to. 10245 */ 10246 break; 10247 case VKI_MEDIA_IOC_SETUP_LINK: 10248 break; 10249 10250 /* Serial */ 10251 case VKI_TIOCGSERIAL: { 10252 struct vki_serial_struct *data = (struct vki_serial_struct *)ARG3; 10253 POST_MEM_WRITE((Addr)data, sizeof(*data)); 10254 break; 10255 } 10256 case VKI_TIOCSSERIAL: 10257 break; 10258 10259 default: 10260 /* EVIOC* are variable length and return size written on success */ 10261 switch (ARG2 & ~(_VKI_IOC_SIZEMASK << _VKI_IOC_SIZESHIFT)) { 10262 case VKI_EVIOCGNAME(0): 10263 case VKI_EVIOCGPHYS(0): 10264 case VKI_EVIOCGUNIQ(0): 10265 case VKI_EVIOCGKEY(0): 10266 case VKI_EVIOCGLED(0): 10267 case VKI_EVIOCGSND(0): 10268 case VKI_EVIOCGSW(0): 10269 case VKI_EVIOCGBIT(VKI_EV_SYN,0): 10270 case VKI_EVIOCGBIT(VKI_EV_KEY,0): 10271 case VKI_EVIOCGBIT(VKI_EV_REL,0): 10272 case VKI_EVIOCGBIT(VKI_EV_ABS,0): 10273 case VKI_EVIOCGBIT(VKI_EV_MSC,0): 10274 case VKI_EVIOCGBIT(VKI_EV_SW,0): 10275 case VKI_EVIOCGBIT(VKI_EV_LED,0): 10276 case VKI_EVIOCGBIT(VKI_EV_SND,0): 10277 case VKI_EVIOCGBIT(VKI_EV_REP,0): 10278 case VKI_EVIOCGBIT(VKI_EV_FF,0): 10279 case VKI_EVIOCGBIT(VKI_EV_PWR,0): 10280 case VKI_EVIOCGBIT(VKI_EV_FF_STATUS,0): 10281 if (RES > 0) 10282 POST_MEM_WRITE(ARG3, RES); 10283 break; 10284 default: 10285 ML_(POST_unknown_ioctl)(tid, RES, ARG2, ARG3); 10286 break; 10287 } 10288 break; 10289 } 10290 10291 post_sys_ioctl__out: 10292 {} /* keep C compilers happy */ 10293 } 10294 10295 /* --------------------------------------------------------------------- 10296 socketcall wrapper helpers 10297 ------------------------------------------------------------------ */ 10298 10299 void 10300 ML_(linux_PRE_sys_getsockopt) ( ThreadId tid, 10301 UWord arg0, UWord arg1, UWord arg2, 10302 UWord arg3, UWord arg4 ) 10303 { 10304 /* int getsockopt(int s, int level, int optname, 10305 void *optval, socklen_t *optlen); */ 10306 Addr optval_p = arg3; 10307 Addr optlen_p = arg4; 10308 /* vg_assert(sizeof(socklen_t) == sizeof(UInt)); */ 10309 if (optval_p != (Addr)NULL) { 10310 ML_(buf_and_len_pre_check) ( tid, optval_p, optlen_p, 10311 "socketcall.getsockopt(optval)", 10312 "socketcall.getsockopt(optlen)" ); 10313 if (arg1 == VKI_SOL_SCTP && 10314 (arg2 == VKI_SCTP_GET_PEER_ADDRS || 10315 arg2 == VKI_SCTP_GET_LOCAL_ADDRS)) 10316 { 10317 struct vki_sctp_getaddrs *ga = (struct vki_sctp_getaddrs*)arg3; 10318 int address_bytes = sizeof(struct vki_sockaddr_in6) * ga->addr_num; 10319 PRE_MEM_WRITE( "socketcall.getsockopt(optval.addrs)", 10320 (Addr)ga->addrs, address_bytes ); 10321 } 10322 } 10323 } 10324 10325 void 10326 ML_(linux_POST_sys_getsockopt) ( ThreadId tid, 10327 SysRes res, 10328 UWord arg0, UWord arg1, UWord arg2, 10329 UWord arg3, UWord arg4 ) 10330 { 10331 Addr optval_p = arg3; 10332 Addr optlen_p = arg4; 10333 vg_assert(!sr_isError(res)); /* guaranteed by caller */ 10334 if (optval_p != (Addr)NULL) { 10335 ML_(buf_and_len_post_check) ( tid, res, optval_p, optlen_p, 10336 "socketcall.getsockopt(optlen_out)" ); 10337 if (arg1 == VKI_SOL_SCTP && 10338 (arg2 == VKI_SCTP_GET_PEER_ADDRS || 10339 arg2 == VKI_SCTP_GET_LOCAL_ADDRS)) 10340 { 10341 struct vki_sctp_getaddrs *ga = (struct vki_sctp_getaddrs*)arg3; 10342 struct vki_sockaddr *a = ga->addrs; 10343 int i; 10344 for (i = 0; i < ga->addr_num; i++) { 10345 int sl = 0; 10346 if (a->sa_family == VKI_AF_INET) 10347 sl = sizeof(struct vki_sockaddr_in); 10348 else if (a->sa_family == VKI_AF_INET6) 10349 sl = sizeof(struct vki_sockaddr_in6); 10350 else { 10351 VG_(message)(Vg_UserMsg, "Warning: getsockopt: unhandled " 10352 "address type %d\n", a->sa_family); 10353 } 10354 a = (struct vki_sockaddr*)((char*)a + sl); 10355 } 10356 POST_MEM_WRITE( (Addr)ga->addrs, (char*)a - (char*)ga->addrs ); 10357 } 10358 } 10359 } 10360 10361 void 10362 ML_(linux_PRE_sys_setsockopt) ( ThreadId tid, 10363 UWord arg0, UWord arg1, UWord arg2, 10364 UWord arg3, UWord arg4 ) 10365 { 10366 /* int setsockopt(int s, int level, int optname, 10367 const void *optval, socklen_t optlen); */ 10368 Addr optval_p = arg3; 10369 if (optval_p != (Addr)NULL) { 10370 /* 10371 * OK, let's handle at least some setsockopt levels and options 10372 * ourselves, so we don't get false claims of references to 10373 * uninitialized memory (such as padding in structures) and *do* 10374 * check what pointers in the argument point to. 10375 */ 10376 if (arg1 == VKI_SOL_SOCKET && arg2 == VKI_SO_ATTACH_FILTER) 10377 { 10378 struct vki_sock_fprog *fp = (struct vki_sock_fprog *)optval_p; 10379 10380 /* 10381 * struct sock_fprog has a 16-bit count of instructions, 10382 * followed by a pointer to an array of those instructions. 10383 * There's padding between those two elements. 10384 * 10385 * So that we don't bogusly complain about the padding bytes, 10386 * we just report that we read len and and filter. 10387 * 10388 * We then make sure that what filter points to is valid. 10389 */ 10390 PRE_MEM_READ( "setsockopt(SOL_SOCKET, SO_ATTACH_FILTER, &optval.len)", 10391 (Addr)&fp->len, sizeof(fp->len) ); 10392 PRE_MEM_READ( "setsockopt(SOL_SOCKET, SO_ATTACH_FILTER, &optval.filter)", 10393 (Addr)&fp->filter, sizeof(fp->filter) ); 10394 10395 /* len * sizeof (*filter) */ 10396 if (fp->filter != NULL) 10397 { 10398 PRE_MEM_READ( "setsockopt(SOL_SOCKET, SO_ATTACH_FILTER, optval.filter)", 10399 (Addr)(fp->filter), 10400 fp->len * sizeof(*fp->filter) ); 10401 } 10402 } 10403 else 10404 { 10405 PRE_MEM_READ( "socketcall.setsockopt(optval)", 10406 arg3, /* optval */ 10407 arg4 /* optlen */ ); 10408 } 10409 } 10410 } 10411 10412 void 10413 ML_(linux_PRE_sys_recvmmsg) ( ThreadId tid, 10414 UWord arg1, UWord arg2, UWord arg3, 10415 UWord arg4, UWord arg5 ) 10416 { 10417 struct vki_mmsghdr *mmsg = (struct vki_mmsghdr *)arg2; 10418 HChar name[40]; // large enough 10419 UInt i; 10420 for (i = 0; i < arg3; i++) { 10421 VG_(sprintf)(name, "mmsg[%u].msg_hdr", i); 10422 ML_(generic_PRE_sys_recvmsg)(tid, name, &mmsg[i].msg_hdr); 10423 VG_(sprintf)(name, "recvmmsg(mmsg[%u].msg_len)", i); 10424 PRE_MEM_WRITE( name, (Addr)&mmsg[i].msg_len, sizeof(mmsg[i].msg_len) ); 10425 } 10426 if (arg5) 10427 PRE_MEM_READ( "recvmmsg(timeout)", arg5, sizeof(struct vki_timespec) ); 10428 } 10429 10430 void 10431 ML_(linux_POST_sys_recvmmsg) (ThreadId tid, UWord res, 10432 UWord arg1, UWord arg2, UWord arg3, 10433 UWord arg4, UWord arg5 ) 10434 { 10435 if (res > 0) { 10436 struct vki_mmsghdr *mmsg = (struct vki_mmsghdr *)arg2; 10437 HChar name[32]; // large enough 10438 UInt i; 10439 for (i = 0; i < res; i++) { 10440 VG_(sprintf)(name, "mmsg[%u].msg_hdr", i); 10441 ML_(generic_POST_sys_recvmsg)(tid, name, &mmsg[i].msg_hdr, mmsg[i].msg_len); 10442 POST_MEM_WRITE( (Addr)&mmsg[i].msg_len, sizeof(mmsg[i].msg_len) ); 10443 } 10444 } 10445 } 10446 10447 void 10448 ML_(linux_PRE_sys_sendmmsg) ( ThreadId tid, 10449 UWord arg1, UWord arg2, UWord arg3, UWord arg4 ) 10450 { 10451 struct vki_mmsghdr *mmsg = (struct vki_mmsghdr *)arg2; 10452 HChar name[40]; // large enough 10453 UInt i; 10454 for (i = 0; i < arg3; i++) { 10455 VG_(sprintf)(name, "mmsg[%u].msg_hdr", i); 10456 ML_(generic_PRE_sys_sendmsg)(tid, name, &mmsg[i].msg_hdr); 10457 VG_(sprintf)(name, "sendmmsg(mmsg[%u].msg_len)", i); 10458 PRE_MEM_WRITE( name, (Addr)&mmsg[i].msg_len, sizeof(mmsg[i].msg_len) ); 10459 } 10460 } 10461 10462 void 10463 ML_(linux_POST_sys_sendmmsg) (ThreadId tid, UWord res, 10464 UWord arg1, UWord arg2, UWord arg3, UWord arg4 ) 10465 { 10466 if (res > 0) { 10467 struct vki_mmsghdr *mmsg = (struct vki_mmsghdr *)arg2; 10468 UInt i; 10469 for (i = 0; i < res; i++) { 10470 POST_MEM_WRITE( (Addr)&mmsg[i].msg_len, sizeof(mmsg[i].msg_len) ); 10471 } 10472 } 10473 } 10474 10475 /* --------------------------------------------------------------------- 10476 ptrace wrapper helpers 10477 ------------------------------------------------------------------ */ 10478 10479 void 10480 ML_(linux_PRE_getregset) ( ThreadId tid, long arg3, long arg4 ) 10481 { 10482 struct vki_iovec *iov = (struct vki_iovec *) arg4; 10483 10484 PRE_MEM_READ("ptrace(getregset iovec->iov_base)", 10485 (unsigned long) &iov->iov_base, sizeof(iov->iov_base)); 10486 PRE_MEM_READ("ptrace(getregset iovec->iov_len)", 10487 (unsigned long) &iov->iov_len, sizeof(iov->iov_len)); 10488 PRE_MEM_WRITE("ptrace(getregset *(iovec->iov_base))", 10489 (unsigned long) iov->iov_base, iov->iov_len); 10490 } 10491 10492 void 10493 ML_(linux_PRE_setregset) ( ThreadId tid, long arg3, long arg4 ) 10494 { 10495 struct vki_iovec *iov = (struct vki_iovec *) arg4; 10496 10497 PRE_MEM_READ("ptrace(setregset iovec->iov_base)", 10498 (unsigned long) &iov->iov_base, sizeof(iov->iov_base)); 10499 PRE_MEM_READ("ptrace(setregset iovec->iov_len)", 10500 (unsigned long) &iov->iov_len, sizeof(iov->iov_len)); 10501 PRE_MEM_READ("ptrace(setregset *(iovec->iov_base))", 10502 (unsigned long) iov->iov_base, iov->iov_len); 10503 } 10504 10505 void 10506 ML_(linux_POST_getregset) ( ThreadId tid, long arg3, long arg4 ) 10507 { 10508 struct vki_iovec *iov = (struct vki_iovec *) arg4; 10509 10510 /* XXX: The actual amount of data written by the kernel might be 10511 less than iov_len, depending on the regset (arg3). */ 10512 POST_MEM_WRITE((unsigned long) iov->iov_base, iov->iov_len); 10513 } 10514 10515 PRE(sys_kcmp) 10516 { 10517 PRINT("kcmp ( %ld, %ld, %ld, %lu, %lu )", SARG1, SARG2, SARG3, ARG4, ARG5); 10518 switch (ARG3) { 10519 case VKI_KCMP_VM: case VKI_KCMP_FILES: case VKI_KCMP_FS: 10520 case VKI_KCMP_SIGHAND: case VKI_KCMP_IO: case VKI_KCMP_SYSVSEM: 10521 /* Most of the comparison types don't look at |idx1| or 10522 |idx2|. */ 10523 PRE_REG_READ3(long, "kcmp", 10524 vki_pid_t, pid1, vki_pid_t, pid2, int, type); 10525 break; 10526 case VKI_KCMP_FILE: 10527 default: 10528 PRE_REG_READ5(long, "kcmp", 10529 vki_pid_t, pid1, vki_pid_t, pid2, int, type, 10530 unsigned long, idx1, unsigned long, idx2); 10531 break; 10532 } 10533 } 10534 10535 #undef PRE 10536 #undef POST 10537 10538 #endif // defined(VGO_linux) 10539 10540 /*--------------------------------------------------------------------*/ 10541 /*--- end ---*/ 10542 /*--------------------------------------------------------------------*/ 10543
