1 2 /*--------------------------------------------------------------------*/ 3 /*--- Platform-specific syscalls stuff. syswrap-tilegx-linux.c ----*/ 4 /*--------------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2010-2013 Tilera Corp. 11 12 This program is free software; you can redistribute it and/or 13 modify it under the terms of the GNU General Public License as 14 published by the Free Software Foundation; either version 2 of the 15 License, or (at your option) any later version. 16 17 This program is distributed in the hope that it will be useful, but 18 WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 General Public License for more details. 21 22 You should have received a copy of the GNU General Public License 23 along with this program; if not, write to the Free Software 24 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 25 02111-1307, USA. 26 27 The GNU General Public License is contained in the file COPYING. 28 */ 29 30 /* Contributed by Zhi-Gang Liu */ 31 32 #if defined(VGP_tilegx_linux) 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_debuglog.h" 39 #include "pub_core_libcbase.h" 40 #include "pub_core_libcassert.h" 41 #include "pub_core_libcprint.h" 42 #include "pub_core_libcproc.h" 43 #include "pub_core_libcsignal.h" 44 #include "pub_core_options.h" 45 #include "pub_core_scheduler.h" 46 #include "pub_core_sigframe.h" // For VG_(sigframe_destroy)() 47 #include "pub_core_signals.h" 48 #include "pub_core_syscall.h" 49 #include "pub_core_syswrap.h" 50 #include "pub_core_tooliface.h" 51 #include "pub_core_stacks.h" // VG_(register_stack) 52 #include "pub_core_transtab.h" // VG_(discard_translations) 53 #include "priv_types_n_macros.h" 54 #include "priv_syswrap-generic.h" /* for decls of generic wrappers */ 55 #include "priv_syswrap-linux.h" /* for decls of linux wrappers */ 56 #include "priv_syswrap-main.h" 57 58 #include "pub_core_debuginfo.h" // VG_(di_notify_*) 59 #include "pub_core_xarray.h" 60 #include "pub_core_clientstate.h" // VG_(brk_base), VG_(brk_limit) 61 #include "pub_core_errormgr.h" 62 #include "pub_core_libcfile.h" 63 #include "pub_core_machine.h" // VG_(get_SP) 64 #include "pub_core_mallocfree.h" 65 #include "pub_core_stacktrace.h" // For VG_(get_and_pp_StackTrace)() 66 #include "pub_core_ume.h" 67 68 #include "config.h" 69 70 /* --------------------------------------------------------------------- 71 clone() handling 72 ------------------------------------------------------------------ */ 73 /* Call f(arg1), but first switch stacks, using 'stack' as the new 74 stack, and use 'retaddr' as f's return-to address. Also, clear all 75 the integer registers before entering f.*/ 76 77 __attribute__ ((noreturn)) 78 void ML_(call_on_new_stack_0_1) (Addr stack, Addr retaddr, 79 void (*f) (Word), Word arg1); 80 // r0 = stack 81 // r1 = retaddr 82 // r2 = f 83 // r3 = arg1 84 asm ( 85 ".text\n" 86 ".globl vgModuleLocal_call_on_new_stack_0_1\n" 87 "vgModuleLocal_call_on_new_stack_0_1:\n" 88 " {\n" 89 " move sp, r0\n\t" 90 " move r51, r2\n\t" 91 " }\n" 92 " {\n" 93 " move r0, r3\n\t" 94 " move r1, zero\n\t" 95 " }\n" 96 " {\n" 97 " move r2, zero\n\t" 98 " move r3, zero\n\t" 99 " }\n" 100 " {\n" 101 " move r4, zero\n\t" 102 " move r5, zero\n\t" 103 " }\n" 104 " {\n" 105 " move r6, zero\n\t" 106 " move r7, zero\n\t" 107 " }\n" 108 " {\n" 109 " move r8, zero\n\t" 110 " move r9, zero\n\t" 111 " }\n" 112 " {\n" 113 " move r10, zero\n\t" 114 " move r11, zero\n\t" 115 " }\n" 116 " {\n" 117 " move r12, zero\n\t" 118 " move r13, zero\n\t" 119 " }\n" 120 " {\n" 121 " move r14, zero\n\t" 122 " move r15, zero\n\t" 123 " }\n" 124 " {\n" 125 " move r16, zero\n\t" 126 " move r17, zero\n\t" 127 " }\n" 128 " {\n" 129 " move r18, zero\n\t" 130 " move r19, zero\n\t" 131 " }\n" 132 " {\n" 133 " move r20, zero\n\t" 134 " move r21, zero\n\t" 135 " }\n" 136 " {\n" 137 " move r22, zero\n\t" 138 " move r23, zero\n\t" 139 " }\n" 140 " {\n" 141 " move r24, zero\n\t" 142 " move r25, zero\n\t" 143 " }\n" 144 " {\n" 145 " move r26, zero\n\t" 146 " move r27, zero\n\t" 147 " }\n" 148 " {\n" 149 " move r28, zero\n\t" 150 " move r29, zero\n\t" 151 " }\n" 152 " {\n" 153 " move r30, zero\n\t" 154 " move r31, zero\n\t" 155 " }\n" 156 " {\n" 157 " move r32, zero\n\t" 158 " move r33, zero\n\t" 159 " }\n" 160 " {\n" 161 " move r34, zero\n\t" 162 " move r35, zero\n\t" 163 " }\n" 164 " {\n" 165 " move r36, zero\n\t" 166 " move r37, zero\n\t" 167 " }\n" 168 " {\n" 169 " move r38, zero\n\t" 170 " move r39, zero\n\t" 171 " }\n" 172 " {\n" 173 " move r40, zero\n\t" 174 " move r41, zero\n\t" 175 " }\n" 176 " {\n" 177 " move r42, zero\n\t" 178 " move r43, zero\n\t" 179 " }\n" 180 " {\n" 181 " move r44, zero\n\t" 182 " move r45, zero\n\t" 183 " }\n" 184 " {\n" 185 " move r46, zero\n\t" 186 " move r47, zero\n\t" 187 " }\n" 188 " {\n" 189 " move r48, zero\n\t" 190 " move r49, zero\n\t" 191 " }\n" 192 " {\n" 193 " move r50, zero\n\t" 194 " jr r51\n\t" 195 " }\n" 196 " ill \n" // should never get here 197 ); 198 /* 199 Perform a clone system call. clone is strange because it has 200 fork()-like return-twice semantics, so it needs special 201 handling here. 202 Upon entry, we have: 203 int (fn)(void*) in r0 204 void* child_stack in r1 205 int flags in r2 206 void* arg in r3 207 pid_t* child_tid in r4 208 pid_t* parent_tid in r5 209 void* tls_ptr in r6 210 211 System call requires: 212 int $__NR_clone in r10 213 int flags in r0 214 void* child_stack in r1 215 pid_t* parent_tid in r2 216 void* tls_ptr in $r3 217 pid_t* child_tid in sr4 218 219 int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg, 220 void *parent_tidptr, void *tls, void *child_tidptr) 221 222 Returns an Int encoded in the linux-tilegx way, not a SysRes. 223 */ 224 #define __NR_CLONE VG_STRINGIFY(__NR_clone) 225 #define __NR_EXIT VG_STRINGIFY(__NR_exit) 226 227 Long do_syscall_clone_tilegx_linux ( Word (*fn) (void *), //r0 228 void *stack, //r1 229 Long flags, //r2 230 void *arg, //r3 231 Long * child_tid, //r4 232 Long * parent_tid, //r5 233 Long tls ); //r6 234 /* 235 stack 236 high -> 4 r29 237 3 238 2 239 1 r10 240 low -> 0 lr <- sp 241 */ 242 asm ( 243 ".text\n" 244 " .globl do_syscall_clone_tilegx_linux\n" 245 " do_syscall_clone_tilegx_linux:\n" 246 " beqz r0, .Linvalid\n" 247 " beqz r1, .Linvalid\n" 248 " {\n" 249 " st sp, r29; " // save r29 at top 250 " addli sp, sp, -32\n" // open new stack space 251 " }\n" 252 253 " move r29, sp; " // r29 <- sp 254 " st r29, lr\n" // save lr at 0(sp) 255 256 " addi r29, r29, 8\n" 257 " {\n" 258 " st r29, r10\n" // save r10 at 8(sp) 259 /* setup child stack */ 260 " addi r1, r1, -32\n" // new stack frame for child 261 " }\n" 262 /* save fn */ 263 " { st r1, r0; addi r1, r1, 8 }\n" 264 /* save args */ 265 " { st r1, r3; addi r1, r1, 8 }\n" 266 /* save flags */ 267 " { st r1, r2; addi r1, r1, -16 }\n" 268 269 /* Child stack layout 270 271 flags 272 args 273 r1-> fn 274 */ 275 " {\n" 276 /* prepare args for clone. */ 277 " move r0, r2\n" // arg0 = flags 278 /* arg1=r1 child stack */ 279 " move r2, r5\n" // arg2 = parent tid 280 " }\n" 281 " {\n" 282 " move r3, r4\n" // arg3 = child tid 283 " move r4, r6\n" // arg4 = tls 284 " }\n" 285 " moveli r10, " __NR_CLONE "\n" 286 " swint1\n" 287 288 " beqz r0, .Lchild\n" 289 " move r29, sp\n" 290 " ld lr, r29\n" // Restore lr 291 " addi r29, r29, 8\n" 292 " {\n" 293 " ld r10, r29\n" // resotre r10 294 " addi sp, sp, 32\n" 295 " }\n" 296 " ld r29, sp\n" 297 " jrp lr\n" 298 299 ".Lchild:" 300 " move r2, sp\n" 301 " {\n" 302 " ld r3, r2\n" 303 " addi r2, r2, 8\n" 304 " }\n" 305 " ld r0, r2\n" 306 " jalr r3\n" 307 " moveli r10, " __NR_EXIT "\n" 308 " swint1\n" 309 310 ".Linvalid:" 311 " { movei r1, 22; jrp lr }\n" 312 ); 313 314 #undef __NR_CLONE 315 #undef __NR_EXIT 316 317 // forward declarations 318 static void setup_child ( ThreadArchState *, ThreadArchState * ); 319 static SysRes sys_set_tls ( ThreadId tid, Addr tlsptr ); 320 /* 321 When a client clones, we need to keep track of the new thread. This means: 322 1. allocate a ThreadId+ThreadState+stack for the the thread 323 2. initialize the thread's new VCPU state 324 3. create the thread using the same args as the client requested, 325 but using the scheduler entrypoint for IP, and a separate stack 326 for SP. 327 */ 328 static SysRes do_clone ( ThreadId ptid, 329 Long flags, Addr sp, 330 Long * parent_tidptr, 331 Long * child_tidptr, 332 Addr child_tls ) 333 { 334 const Bool debug = False; 335 ThreadId ctid = VG_ (alloc_ThreadState) (); 336 ThreadState * ptst = VG_ (get_ThreadState) (ptid); 337 ThreadState * ctst = VG_ (get_ThreadState) (ctid); 338 Long ret = 0; 339 Long * stack; 340 SysRes res; 341 vki_sigset_t blockall, savedmask; 342 343 VG_ (sigfillset) (&blockall); 344 vg_assert (VG_ (is_running_thread) (ptid)); 345 vg_assert (VG_ (is_valid_tid) (ctid)); 346 stack = (Long *) ML_ (allocstack) (ctid); 347 if (stack == NULL) { 348 res = VG_ (mk_SysRes_Error) (VKI_ENOMEM); 349 goto out; 350 } 351 setup_child (&ctst->arch, &ptst->arch); 352 353 /* On TILEGX we need to set r0 and r3 to zero */ 354 ctst->arch.vex.guest_r0 = 0; 355 ctst->arch.vex.guest_r3 = 0; 356 if (sp != 0) 357 ctst->arch.vex.guest_r54 = sp; 358 359 ctst->os_state.parent = ptid; 360 ctst->sig_mask = ptst->sig_mask; 361 ctst->tmp_sig_mask = ptst->sig_mask; 362 363 /* Start the child with its threadgroup being the same as the 364 parent's. This is so that any exit_group calls that happen 365 after the child is created but before it sets its 366 os_state.threadgroup field for real (in thread_wrapper in 367 syswrap-linux.c), really kill the new thread. a.k.a this avoids 368 a race condition in which the thread is unkillable (via 369 exit_group) because its threadgroup is not set. The race window 370 is probably only a few hundred or a few thousand cycles long. 371 See #226116. */ 372 373 ctst->os_state.threadgroup = ptst->os_state.threadgroup; 374 ML_(guess_and_register_stack) (sp, ctst); 375 376 VG_TRACK (pre_thread_ll_create, ptid, ctid); 377 if (flags & VKI_CLONE_SETTLS) { 378 if (debug) 379 VG_(printf)("clone child has SETTLS: tls at %#lx\n", child_tls); 380 ctst->arch.vex.guest_r53 = child_tls; 381 res = sys_set_tls(ctid, child_tls); 382 if (sr_isError(res)) 383 goto out; 384 } 385 386 flags &= ~VKI_CLONE_SETTLS; 387 VG_ (sigprocmask) (VKI_SIG_SETMASK, &blockall, &savedmask); 388 /* Create the new thread */ 389 ret = do_syscall_clone_tilegx_linux (ML_ (start_thread_NORETURN), 390 stack, flags, &VG_ (threads)[ctid], 391 child_tidptr, parent_tidptr, 392 (Long)NULL /*child_tls*/); 393 394 /* High half word64 is syscall return value. */ 395 if (debug) 396 VG_(printf)("ret: 0x%lx\n", ret); 397 398 res = VG_(mk_SysRes_tilegx_linux) (/*val */ ret); 399 400 VG_ (sigprocmask) (VKI_SIG_SETMASK, &savedmask, NULL); 401 402 out: 403 if (sr_isError (res)) { 404 VG_(cleanup_thread) (&ctst->arch); 405 ctst->status = VgTs_Empty; 406 VG_TRACK (pre_thread_ll_exit, ctid); 407 } 408 ptst->arch.vex.guest_r0 = 0; 409 410 return res; 411 } 412 413 extern Addr do_brk ( Addr newbrk ); 414 415 extern 416 SysRes do_mremap( Addr old_addr, SizeT old_len, 417 Addr new_addr, SizeT new_len, 418 UWord flags, ThreadId tid ); 419 420 extern Bool linux_kernel_2_6_22(void); 421 422 /* --------------------------------------------------------------------- 423 More thread stuff 424 ------------------------------------------------------------------ */ 425 426 // TILEGX doesn't have any architecture specific thread stuff that 427 // needs to be cleaned up. 428 void 429 VG_ (cleanup_thread) ( ThreadArchState * arch ) { } 430 431 void 432 setup_child ( /*OUT*/ ThreadArchState * child, 433 /*IN*/ ThreadArchState * parent ) 434 { 435 /* We inherit our parent's guest state. */ 436 child->vex = parent->vex; 437 child->vex_shadow1 = parent->vex_shadow1; 438 child->vex_shadow2 = parent->vex_shadow2; 439 } 440 441 SysRes sys_set_tls ( ThreadId tid, Addr tlsptr ) 442 { 443 VG_(threads)[tid].arch.vex.guest_r53 = tlsptr; 444 return VG_(mk_SysRes_Success)( 0 ); 445 } 446 447 448 /* --------------------------------------------------------------------- 449 PRE/POST wrappers for tilegx/Linux-specific syscalls 450 ------------------------------------------------------------------ */ 451 #define PRE(name) DEFN_PRE_TEMPLATE(tilegx_linux, name) 452 #define POST(name) DEFN_POST_TEMPLATE(tilegx_linux, name) 453 454 /* Add prototypes for the wrappers declared here, so that gcc doesn't 455 harass us for not having prototypes. Really this is a kludge -- 456 the right thing to do is to make these wrappers 'static' since they 457 aren't visible outside this file, but that requires even more macro 458 magic. */ 459 460 DECL_TEMPLATE (tilegx_linux, sys_clone); 461 DECL_TEMPLATE (tilegx_linux, sys_rt_sigreturn); 462 DECL_TEMPLATE (tilegx_linux, sys_socket); 463 DECL_TEMPLATE (tilegx_linux, sys_setsockopt); 464 DECL_TEMPLATE (tilegx_linux, sys_getsockopt); 465 DECL_TEMPLATE (tilegx_linux, sys_connect); 466 DECL_TEMPLATE (tilegx_linux, sys_accept); 467 DECL_TEMPLATE (tilegx_linux, sys_accept4); 468 DECL_TEMPLATE (tilegx_linux, sys_sendto); 469 DECL_TEMPLATE (tilegx_linux, sys_recvfrom); 470 DECL_TEMPLATE (tilegx_linux, sys_sendmsg); 471 DECL_TEMPLATE (tilegx_linux, sys_recvmsg); 472 DECL_TEMPLATE (tilegx_linux, sys_shutdown); 473 DECL_TEMPLATE (tilegx_linux, sys_bind); 474 DECL_TEMPLATE (tilegx_linux, sys_listen); 475 DECL_TEMPLATE (tilegx_linux, sys_getsockname); 476 DECL_TEMPLATE (tilegx_linux, sys_getpeername); 477 DECL_TEMPLATE (tilegx_linux, sys_socketpair); 478 DECL_TEMPLATE (tilegx_linux, sys_semget); 479 DECL_TEMPLATE (tilegx_linux, sys_semop); 480 DECL_TEMPLATE (tilegx_linux, sys_semtimedop); 481 DECL_TEMPLATE (tilegx_linux, sys_semctl); 482 DECL_TEMPLATE (tilegx_linux, sys_msgget); 483 DECL_TEMPLATE (tilegx_linux, sys_msgrcv); 484 DECL_TEMPLATE (tilegx_linux, sys_msgsnd); 485 DECL_TEMPLATE (tilegx_linux, sys_msgctl); 486 DECL_TEMPLATE (tilegx_linux, sys_shmget); 487 DECL_TEMPLATE (tilegx_linux, wrap_sys_shmat); 488 DECL_TEMPLATE (tilegx_linux, sys_shmdt); 489 DECL_TEMPLATE (tilegx_linux, sys_shmdt); 490 DECL_TEMPLATE (tilegx_linux, sys_shmctl); 491 DECL_TEMPLATE (tilegx_linux, sys_arch_prctl); 492 DECL_TEMPLATE (tilegx_linux, sys_ptrace); 493 DECL_TEMPLATE (tilegx_linux, sys_fadvise64); 494 DECL_TEMPLATE (tilegx_linux, sys_mmap); 495 DECL_TEMPLATE (tilegx_linux, sys_syscall184); 496 DECL_TEMPLATE (tilegx_linux, sys_cacheflush); 497 DECL_TEMPLATE (tilegx_linux, sys_set_dataplane); 498 499 PRE(sys_clone) 500 { 501 ULong cloneflags; 502 503 PRINT("sys_clone ( %lx, %#lx, %#lx, %#lx, %#lx )",ARG1,ARG2,ARG3,ARG4,ARG5); 504 PRE_REG_READ5(int, "clone", 505 unsigned long, flags, 506 void *, child_stack, 507 int *, parent_tidptr, 508 int *, child_tidptr, 509 void *, tlsaddr); 510 511 if (ARG1 & VKI_CLONE_PARENT_SETTID) { 512 PRE_MEM_WRITE("clone(parent_tidptr)", ARG3, sizeof(Int)); 513 if (!VG_(am_is_valid_for_client)(ARG3, sizeof(Int), VKI_PROT_WRITE)) { 514 SET_STATUS_Failure( VKI_EFAULT ); 515 return; 516 } 517 } 518 if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) { 519 PRE_MEM_WRITE("clone(child_tidptr)", ARG4, sizeof(Int)); 520 if (!VG_(am_is_valid_for_client)(ARG4, sizeof(Int), VKI_PROT_WRITE)) { 521 SET_STATUS_Failure( VKI_EFAULT ); 522 return; 523 } 524 } 525 526 cloneflags = ARG1; 527 528 if (!ML_(client_signal_OK)(ARG1 & VKI_CSIGNAL)) { 529 SET_STATUS_Failure( VKI_EINVAL ); 530 return; 531 } 532 533 /* Only look at the flags we really care about */ 534 switch (cloneflags & (VKI_CLONE_VM | VKI_CLONE_FS 535 | VKI_CLONE_FILES | VKI_CLONE_VFORK)) { 536 case VKI_CLONE_VM | VKI_CLONE_FS | VKI_CLONE_FILES: 537 /* thread creation */ 538 SET_STATUS_from_SysRes( 539 do_clone(tid, 540 ARG1, /* flags */ 541 (Addr)ARG2, /* child ESP */ 542 (Long *)ARG3, /* parent_tidptr */ 543 (Long *)ARG4, /* child_tidptr */ 544 (Addr)ARG5)); /* set_tls */ 545 break; 546 547 case VKI_CLONE_VFORK | VKI_CLONE_VM: /* vfork */ 548 /* FALLTHROUGH - assume vfork == fork */ 549 cloneflags &= ~(VKI_CLONE_VFORK | VKI_CLONE_VM); 550 551 case 0: /* plain fork */ 552 SET_STATUS_from_SysRes( 553 ML_(do_fork_clone)(tid, 554 cloneflags, /* flags */ 555 (Int *)ARG3, /* parent_tidptr */ 556 (Int *)ARG4)); /* child_tidptr */ 557 break; 558 559 default: 560 /* should we just ENOSYS? */ 561 VG_(message)(Vg_UserMsg, 562 "Unsupported clone() flags: 0x%lx\n", ARG1); 563 VG_(message)(Vg_UserMsg, 564 "\n"); 565 VG_(message)(Vg_UserMsg, 566 "The only supported clone() uses are:\n"); 567 VG_(message)(Vg_UserMsg, 568 " - via a threads library (LinuxThreads or NPTL)\n"); 569 VG_(message)(Vg_UserMsg, 570 " - via the implementation of fork or vfork\n"); 571 VG_(unimplemented) 572 ("Valgrind does not support general clone()."); 573 } 574 575 if (SUCCESS) { 576 if (ARG1 & VKI_CLONE_PARENT_SETTID) 577 POST_MEM_WRITE(ARG3, sizeof(Int)); 578 if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) 579 POST_MEM_WRITE(ARG4, sizeof(Int)); 580 581 /* Thread creation was successful; let the child have the chance 582 to run */ 583 *flags |= SfYieldAfter; 584 } 585 } 586 587 PRE(sys_rt_sigreturn) 588 { 589 /* This isn't really a syscall at all - it's a misuse of the 590 syscall mechanism by m_sigframe. VG_(sigframe_create) sets the 591 return address of the signal frames it creates to be a short 592 piece of code which does this "syscall". The only purpose of 593 the syscall is to call VG_(sigframe_destroy), which restores the 594 thread's registers from the frame and then removes it. 595 Consequently we must ask the syswrap driver logic not to write 596 back the syscall "result" as that would overwrite the 597 just-restored register state. */ 598 599 ThreadState* tst; 600 PRINT("sys_rt_sigreturn ( )"); 601 602 vg_assert(VG_(is_valid_tid)(tid)); 603 vg_assert(tid >= 1 && tid < VG_N_THREADS); 604 vg_assert(VG_(is_running_thread)(tid)); 605 606 /* Adjust RSP to point to start of frame; skip back up over handler 607 ret addr */ 608 tst = VG_(get_ThreadState)(tid); 609 tst->arch.vex.guest_r54 -= sizeof(Addr); 610 611 /* This is only so that the RIP is (might be) useful to report if 612 something goes wrong in the sigreturn. JRS 20070318: no idea 613 what this is for */ 614 ML_(fixup_guest_state_to_restart_syscall)(&tst->arch); 615 616 /* Restore register state from frame and remove it, as 617 described above */ 618 VG_(sigframe_destroy)(tid, True); 619 620 /* Tell the driver not to update the guest state with the "result", 621 and set a bogus result to keep it happy. */ 622 *flags |= SfNoWriteResult; 623 SET_STATUS_Success(0); 624 625 /* Check to see if any signals arose as a result of this. */ 626 *flags |= SfPollAfter; 627 } 628 629 PRE(sys_arch_prctl) 630 { 631 PRINT( "arch_prctl ( %ld, %lx )", ARG1, ARG2 ); 632 633 vg_assert(VG_(is_valid_tid)(tid)); 634 vg_assert(tid >= 1 && tid < VG_N_THREADS); 635 vg_assert(VG_(is_running_thread)(tid)); 636 637 I_die_here; 638 } 639 640 // Parts of this are tilegx-specific, but the *PEEK* cases are generic. 641 // 642 // ARG3 is only used for pointers into the traced process's address 643 // space and for offsets into the traced process's struct 644 // user_regs_struct. It is never a pointer into this process's memory 645 // space, and we should therefore not check anything it points to. 646 PRE(sys_ptrace) 647 { 648 PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", ARG1,ARG2,ARG3,ARG4); 649 PRE_REG_READ4(int, "ptrace", 650 long, request, long, pid, long, addr, long, data); 651 switch (ARG1) { 652 case VKI_PTRACE_PEEKTEXT: 653 case VKI_PTRACE_PEEKDATA: 654 case VKI_PTRACE_PEEKUSR: 655 PRE_MEM_WRITE( "ptrace(peek)", ARG4, 656 sizeof (long)); 657 break; 658 case VKI_PTRACE_GETREGS: 659 PRE_MEM_WRITE( "ptrace(getregs)", ARG4, 660 sizeof (struct vki_user_regs_struct)); 661 break; 662 #if 0 // FIXME 663 case VKI_PTRACE_GETFPREGS: 664 PRE_MEM_WRITE( "ptrace(getfpregs)", ARG4, 665 sizeof (struct vki_user_i387_struct)); 666 break; 667 #endif 668 case VKI_PTRACE_SETREGS: 669 PRE_MEM_READ( "ptrace(setregs)", ARG4, 670 sizeof (struct vki_user_regs_struct)); 671 break; 672 #if 0 // FIXME 673 case VKI_PTRACE_SETFPREGS: 674 PRE_MEM_READ( "ptrace(setfpregs)", ARG4, 675 sizeof (struct vki_user_i387_struct)); 676 break; 677 #endif 678 case VKI_PTRACE_GETEVENTMSG: 679 PRE_MEM_WRITE( "ptrace(geteventmsg)", ARG4, sizeof(unsigned long)); 680 break; 681 case VKI_PTRACE_GETSIGINFO: 682 PRE_MEM_WRITE( "ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t)); 683 break; 684 case VKI_PTRACE_SETSIGINFO: 685 PRE_MEM_READ( "ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t)); 686 break; 687 default: 688 break; 689 } 690 } 691 692 POST(sys_ptrace) 693 { 694 switch (ARG1) { 695 case VKI_PTRACE_PEEKTEXT: 696 case VKI_PTRACE_PEEKDATA: 697 case VKI_PTRACE_PEEKUSR: 698 POST_MEM_WRITE( ARG4, sizeof (long)); 699 break; 700 case VKI_PTRACE_GETREGS: 701 POST_MEM_WRITE( ARG4, sizeof (struct vki_user_regs_struct)); 702 break; 703 #if 0 // FIXME 704 case VKI_PTRACE_GETFPREGS: 705 POST_MEM_WRITE( ARG4, sizeof (struct vki_user_i387_struct)); 706 break; 707 #endif 708 case VKI_PTRACE_GETEVENTMSG: 709 POST_MEM_WRITE( ARG4, sizeof(unsigned long)); 710 break; 711 case VKI_PTRACE_GETSIGINFO: 712 /* XXX: This is a simplification. Different parts of the 713 * siginfo_t are valid depending on the type of signal. 714 */ 715 POST_MEM_WRITE( ARG4, sizeof(vki_siginfo_t)); 716 break; 717 default: 718 break; 719 } 720 } 721 722 PRE(sys_socket) 723 { 724 PRINT("sys_socket ( %ld, %ld, %ld )",ARG1,ARG2,ARG3); 725 PRE_REG_READ3(long, "socket", int, domain, int, type, int, protocol); 726 } 727 POST(sys_socket) 728 { 729 SysRes r; 730 vg_assert(SUCCESS); 731 r = ML_(generic_POST_sys_socket)(tid, VG_(mk_SysRes_Success)(RES)); 732 SET_STATUS_from_SysRes(r); 733 } 734 735 PRE(sys_setsockopt) 736 { 737 PRINT("sys_setsockopt ( %ld, %ld, %ld, %#lx, %ld )",ARG1,ARG2,ARG3,ARG4,ARG5); 738 PRE_REG_READ5(long, "setsockopt", 739 int, s, int, level, int, optname, 740 const void *, optval, int, optlen); 741 ML_(generic_PRE_sys_setsockopt)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); 742 } 743 744 PRE(sys_getsockopt) 745 { 746 PRINT("sys_getsockopt ( %ld, %ld, %ld, %#lx, %#lx )",ARG1,ARG2,ARG3,ARG4,ARG5); 747 PRE_REG_READ5(long, "getsockopt", 748 int, s, int, level, int, optname, 749 void *, optval, int, *optlen); 750 ML_(linux_PRE_sys_getsockopt)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); 751 } 752 POST(sys_getsockopt) 753 { 754 vg_assert(SUCCESS); 755 ML_(linux_POST_sys_getsockopt)(tid, VG_(mk_SysRes_Success)(RES), 756 ARG1,ARG2,ARG3,ARG4,ARG5); 757 } 758 759 PRE(sys_connect) 760 { 761 *flags |= SfMayBlock; 762 PRINT("sys_connect ( %ld, %#lx, %ld )",ARG1,ARG2,ARG3); 763 PRE_REG_READ3(long, "connect", 764 int, sockfd, struct sockaddr *, serv_addr, int, addrlen); 765 ML_(generic_PRE_sys_connect)(tid, ARG1,ARG2,ARG3); 766 } 767 768 PRE(sys_accept) 769 { 770 *flags |= SfMayBlock; 771 PRINT("sys_accept ( %ld, %#lx, %ld )",ARG1,ARG2,ARG3); 772 PRE_REG_READ3(long, "accept", 773 int, s, struct sockaddr *, addr, int, *addrlen); 774 ML_(generic_PRE_sys_accept)(tid, ARG1,ARG2,ARG3); 775 } 776 POST(sys_accept) 777 { 778 SysRes r; 779 vg_assert(SUCCESS); 780 r = ML_(generic_POST_sys_accept)(tid, VG_(mk_SysRes_Success)(RES), 781 ARG1,ARG2,ARG3); 782 SET_STATUS_from_SysRes(r); 783 } 784 785 PRE(sys_accept4) 786 { 787 *flags |= SfMayBlock; 788 PRINT("sys_accept4 ( %ld, %#lx, %ld, %ld )",ARG1,ARG2,ARG3,ARG4); 789 PRE_REG_READ4(long, "accept4", 790 int, s, struct sockaddr *, addr, int, *addrlen, int, flags); 791 ML_(generic_PRE_sys_accept)(tid, ARG1,ARG2,ARG3); 792 } 793 POST(sys_accept4) 794 { 795 SysRes r; 796 vg_assert(SUCCESS); 797 r = ML_(generic_POST_sys_accept)(tid, VG_(mk_SysRes_Success)(RES), 798 ARG1,ARG2,ARG3); 799 SET_STATUS_from_SysRes(r); 800 } 801 802 PRE(sys_sendto) 803 { 804 *flags |= SfMayBlock; 805 PRINT("sys_sendto ( %ld, %#lx, %ld, %lu, %#lx, %ld )",ARG1,ARG2,ARG3, 806 ARG4,ARG5,ARG6); 807 PRE_REG_READ6(long, "sendto", 808 int, s, const void *, msg, int, len, 809 unsigned int, flags, 810 const struct sockaddr *, to, int, tolen); 811 ML_(generic_PRE_sys_sendto)(tid, ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); 812 } 813 814 PRE(sys_recvfrom) 815 { 816 *flags |= SfMayBlock; 817 PRINT("sys_recvfrom ( %ld, %#lx, %ld, %lu, %#lx, %#lx )",ARG1,ARG2,ARG3, 818 ARG4,ARG5,ARG6); 819 PRE_REG_READ6(long, "recvfrom", 820 int, s, void *, buf, int, len, unsigned int, flags, 821 struct sockaddr *, from, int *, fromlen); 822 ML_(generic_PRE_sys_recvfrom)(tid, ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); 823 } 824 POST(sys_recvfrom) 825 { 826 vg_assert(SUCCESS); 827 ML_(generic_POST_sys_recvfrom)(tid, VG_(mk_SysRes_Success)(RES), 828 ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); 829 } 830 831 PRE(sys_sendmsg) 832 { 833 *flags |= SfMayBlock; 834 PRINT("sys_sendmsg ( %ld, %#lx, %ld )",ARG1,ARG2,ARG3); 835 PRE_REG_READ3(long, "sendmsg", 836 int, s, const struct msghdr *, msg, int, flags); 837 ML_(generic_PRE_sys_sendmsg)(tid, "msg", ARG2); 838 } 839 840 PRE(sys_recvmsg) 841 { 842 *flags |= SfMayBlock; 843 PRINT("sys_recvmsg ( %ld, %#lx, %ld )",ARG1,ARG2,ARG3); 844 PRE_REG_READ3(long, "recvmsg", int, s, struct msghdr *, msg, int, flags); 845 ML_(generic_PRE_sys_recvmsg)(tid, "msg", (struct vki_msghdr *) ARG2); 846 } 847 848 POST(sys_recvmsg) 849 { 850 ML_(generic_POST_sys_recvmsg)(tid, "msg", (struct vki_msghdr *)ARG2, RES); 851 } 852 853 PRE(sys_shutdown) 854 { 855 *flags |= SfMayBlock; 856 PRINT("sys_shutdown ( %ld, %ld )",ARG1,ARG2); 857 PRE_REG_READ2(int, "shutdown", int, s, int, how); 858 } 859 860 PRE(sys_bind) 861 { 862 PRINT("sys_bind ( %ld, %#lx, %ld )",ARG1,ARG2,ARG3); 863 PRE_REG_READ3(long, "bind", 864 int, sockfd, struct sockaddr *, my_addr, int, addrlen); 865 ML_(generic_PRE_sys_bind)(tid, ARG1,ARG2,ARG3); 866 } 867 868 PRE(sys_listen) 869 { 870 PRINT("sys_listen ( %ld, %ld )",ARG1,ARG2); 871 PRE_REG_READ2(long, "listen", int, s, int, backlog); 872 } 873 874 PRE(sys_getsockname) 875 { 876 PRINT("sys_getsockname ( %ld, %#lx, %#lx )",ARG1,ARG2,ARG3); 877 PRE_REG_READ3(long, "getsockname", 878 int, s, struct sockaddr *, name, int *, namelen); 879 ML_(generic_PRE_sys_getsockname)(tid, ARG1,ARG2,ARG3); 880 } 881 POST(sys_getsockname) 882 { 883 vg_assert(SUCCESS); 884 ML_(generic_POST_sys_getsockname)(tid, VG_(mk_SysRes_Success)(RES), 885 ARG1,ARG2,ARG3); 886 } 887 888 PRE(sys_getpeername) 889 { 890 PRINT("sys_getpeername ( %ld, %#lx, %#lx )",ARG1,ARG2,ARG3); 891 PRE_REG_READ3(long, "getpeername", 892 int, s, struct sockaddr *, name, int *, namelen); 893 ML_(generic_PRE_sys_getpeername)(tid, ARG1,ARG2,ARG3); 894 } 895 POST(sys_getpeername) 896 { 897 vg_assert(SUCCESS); 898 ML_(generic_POST_sys_getpeername)(tid, VG_(mk_SysRes_Success)(RES), 899 ARG1,ARG2,ARG3); 900 } 901 902 PRE(sys_socketpair) 903 { 904 PRINT("sys_socketpair ( %ld, %ld, %ld, %#lx )",ARG1,ARG2,ARG3,ARG4); 905 PRE_REG_READ4(long, "socketpair", 906 int, d, int, type, int, protocol, int*, sv); 907 ML_(generic_PRE_sys_socketpair)(tid, ARG1,ARG2,ARG3,ARG4); 908 } 909 POST(sys_socketpair) 910 { 911 vg_assert(SUCCESS); 912 ML_(generic_POST_sys_socketpair)(tid, VG_(mk_SysRes_Success)(RES), 913 ARG1,ARG2,ARG3,ARG4); 914 } 915 916 PRE(sys_semget) 917 { 918 PRINT("sys_semget ( %ld, %ld, %ld )",ARG1,ARG2,ARG3); 919 PRE_REG_READ3(long, "semget", vki_key_t, key, int, nsems, int, semflg); 920 } 921 922 PRE(sys_semop) 923 { 924 *flags |= SfMayBlock; 925 PRINT("sys_semop ( %ld, %#lx, %lu )",ARG1,ARG2,ARG3); 926 PRE_REG_READ3(long, "semop", 927 int, semid, struct sembuf *, sops, unsigned, nsoops); 928 ML_(generic_PRE_sys_semop)(tid, ARG1,ARG2,ARG3); 929 } 930 931 PRE(sys_semtimedop) 932 { 933 *flags |= SfMayBlock; 934 PRINT("sys_semtimedop ( %ld, %#lx, %lu, %#lx )",ARG1,ARG2,ARG3,ARG4); 935 PRE_REG_READ4(long, "semtimedop", 936 int, semid, struct sembuf *, sops, unsigned, nsoops, 937 struct timespec *, timeout); 938 ML_(generic_PRE_sys_semtimedop)(tid, ARG1,ARG2,ARG3,ARG4); 939 } 940 941 PRE(sys_semctl) 942 { 943 switch (ARG3 & ~VKI_IPC_64) { 944 case VKI_IPC_INFO: 945 case VKI_SEM_INFO: 946 PRINT("sys_semctl ( %ld, %ld, %ld, %#lx )",ARG1,ARG2,ARG3,ARG4); 947 PRE_REG_READ4(long, "semctl", 948 int, semid, int, semnum, int, cmd, struct seminfo *, arg); 949 break; 950 case VKI_IPC_STAT: 951 case VKI_SEM_STAT: 952 case VKI_IPC_SET: 953 PRINT("sys_semctl ( %ld, %ld, %ld, %#lx )",ARG1,ARG2,ARG3,ARG4); 954 PRE_REG_READ4(long, "semctl", 955 int, semid, int, semnum, int, cmd, struct semid_ds *, arg); 956 break; 957 case VKI_GETALL: 958 case VKI_SETALL: 959 PRINT("sys_semctl ( %ld, %ld, %ld, %#lx )",ARG1,ARG2,ARG3,ARG4); 960 PRE_REG_READ4(long, "semctl", 961 int, semid, int, semnum, int, cmd, unsigned short *, arg); 962 break; 963 default: 964 PRINT("sys_semctl ( %ld, %ld, %ld )",ARG1,ARG2,ARG3); 965 PRE_REG_READ3(long, "semctl", 966 int, semid, int, semnum, int, cmd); 967 break; 968 } 969 ML_(generic_PRE_sys_semctl)(tid, ARG1,ARG2,ARG3|VKI_IPC_64,ARG4); 970 } 971 POST(sys_semctl) 972 { 973 ML_(generic_POST_sys_semctl)(tid, RES,ARG1,ARG2,ARG3|VKI_IPC_64,ARG4); 974 } 975 976 PRE(sys_msgget) 977 { 978 PRINT("sys_msgget ( %ld, %ld )",ARG1,ARG2); 979 PRE_REG_READ2(long, "msgget", vki_key_t, key, int, msgflg); 980 } 981 982 PRE(sys_msgsnd) 983 { 984 PRINT("sys_msgsnd ( %ld, %#lx, %ld, %ld )",ARG1,ARG2,ARG3,ARG4); 985 PRE_REG_READ4(long, "msgsnd", 986 int, msqid, struct msgbuf *, msgp, vki_size_t, msgsz, 987 int, msgflg); 988 ML_(linux_PRE_sys_msgsnd)(tid, ARG1,ARG2,ARG3,ARG4); 989 if ((ARG4 & VKI_IPC_NOWAIT) == 0) 990 *flags |= SfMayBlock; 991 } 992 993 PRE(sys_msgrcv) 994 { 995 PRINT("sys_msgrcv ( %ld, %#lx, %ld, %ld, %ld )",ARG1,ARG2,ARG3,ARG4,ARG5); 996 PRE_REG_READ5(long, "msgrcv", 997 int, msqid, struct msgbuf *, msgp, vki_size_t, msgsz, 998 long, msgytp, int, msgflg); 999 ML_(linux_PRE_sys_msgrcv)(tid, ARG1,ARG2,ARG3,ARG4,ARG5); 1000 if ((ARG4 & VKI_IPC_NOWAIT) == 0) 1001 *flags |= SfMayBlock; 1002 } 1003 POST(sys_msgrcv) 1004 { 1005 ML_(linux_POST_sys_msgrcv)(tid, RES,ARG1,ARG2,ARG3,ARG4,ARG5); 1006 } 1007 1008 PRE(sys_msgctl) 1009 { 1010 PRINT("sys_msgctl ( %ld, %ld, %#lx )",ARG1,ARG2,ARG3); 1011 PRE_REG_READ3(long, "msgctl", 1012 int, msqid, int, cmd, struct msqid_ds *, buf); 1013 ML_(linux_PRE_sys_msgctl)(tid, ARG1,ARG2,ARG3); 1014 } 1015 POST(sys_msgctl) 1016 { 1017 ML_(linux_POST_sys_msgctl)(tid, RES,ARG1,ARG2,ARG3); 1018 } 1019 1020 PRE(sys_shmget) 1021 { 1022 PRINT("sys_shmget ( %ld, %ld, %ld )",ARG1,ARG2,ARG3); 1023 PRE_REG_READ3(long, "shmget", vki_key_t, key, vki_size_t, size, int, shmflg); 1024 } 1025 1026 PRE(wrap_sys_shmat) 1027 { 1028 UWord arg2tmp; 1029 PRINT("wrap_sys_shmat ( %ld, %#lx, %ld )",ARG1,ARG2,ARG3); 1030 PRE_REG_READ3(long, "shmat", 1031 int, shmid, const void *, shmaddr, int, shmflg); 1032 arg2tmp = ML_(generic_PRE_sys_shmat)(tid, ARG1,ARG2,ARG3); 1033 if (arg2tmp == 0) 1034 SET_STATUS_Failure( VKI_EINVAL ); 1035 else 1036 ARG2 = arg2tmp; // used in POST 1037 } 1038 POST(wrap_sys_shmat) 1039 { 1040 ML_(generic_POST_sys_shmat)(tid, RES,ARG1,ARG2,ARG3); 1041 } 1042 1043 PRE(sys_shmdt) 1044 { 1045 PRINT("sys_shmdt ( %#lx )",ARG1); 1046 PRE_REG_READ1(long, "shmdt", const void *, shmaddr); 1047 if (!ML_(generic_PRE_sys_shmdt)(tid, ARG1)) 1048 SET_STATUS_Failure( VKI_EINVAL ); 1049 } 1050 POST(sys_shmdt) 1051 { 1052 ML_(generic_POST_sys_shmdt)(tid, RES,ARG1); 1053 } 1054 1055 PRE(sys_shmctl) 1056 { 1057 PRINT("sys_shmctl ( %ld, %ld, %#lx )",ARG1,ARG2,ARG3); 1058 PRE_REG_READ3(long, "shmctl", 1059 int, shmid, int, cmd, struct shmid_ds *, buf); 1060 ML_(generic_PRE_sys_shmctl)(tid, ARG1,ARG2|VKI_IPC_64,ARG3); 1061 } 1062 POST(sys_shmctl) 1063 { 1064 ML_(generic_POST_sys_shmctl)(tid, RES,ARG1,ARG2|VKI_IPC_64,ARG3); 1065 } 1066 1067 PRE(sys_fadvise64) 1068 { 1069 PRINT("sys_fadvise64 ( %ld, %ld, %lu, %ld )", ARG1,ARG2,ARG3,ARG4); 1070 PRE_REG_READ4(long, "fadvise64", 1071 int, fd, vki_loff_t, offset, vki_size_t, len, int, advice); 1072 } 1073 1074 PRE(sys_mmap) 1075 { 1076 SysRes r; 1077 1078 PRINT("sys_mmap ( %#lx, %llu, %ld, %ld, %d, %ld )", 1079 ARG1, (ULong)ARG2, ARG3, ARG4, (Int)ARG5, ARG6 ); 1080 PRE_REG_READ6(long, "mmap", 1081 unsigned long, start, unsigned long, length, 1082 unsigned long, prot, unsigned long, flags, 1083 unsigned long, fd, unsigned long, offset); 1084 1085 r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6 ); 1086 SET_STATUS_from_SysRes(r); 1087 } 1088 1089 1090 /* --------------------------------------------------------------- 1091 PRE/POST wrappers for TILEGX/Linux-variant specific syscalls 1092 ------------------------------------------------------------ */ 1093 PRE(sys_cacheflush) 1094 { 1095 PRINT("cacheflush (%lx, %lx, %lx)", ARG1, ARG2, ARG3); 1096 PRE_REG_READ3(long, "cacheflush", unsigned long, addr, 1097 int, nbytes, int, cache); 1098 VG_ (discard_translations) ((Addr)ARG1, (ULong) ARG2, 1099 "PRE(sys_cacheflush)"); 1100 SET_STATUS_Success(0); 1101 } 1102 1103 PRE(sys_set_dataplane) 1104 { 1105 *flags |= SfMayBlock; 1106 PRINT("sys_set_dataplane ( %ld )", ARG1); 1107 PRE_REG_READ1(long, "set_dataplane", unsigned long, flag); 1108 } 1109 1110 #undef PRE 1111 #undef POST 1112 1113 1114 /* --------------------------------------------------------------------- 1115 The TILEGX/Linux syscall table 1116 ------------------------------------------------------------------ */ 1117 1118 /* Add an tilegx-linux specific wrapper to a syscall table. */ 1119 #define PLAX_(const, name) WRAPPER_ENTRY_X_(tilegx_linux, const, name) 1120 #define PLAXY(const, name) WRAPPER_ENTRY_XY(tilegx_linux, const, name) 1121 1122 // This table maps from __NR_xxx syscall numbers (from 1123 // linux/include/asm/unistd.h) to the appropriate PRE/POST sys_foo() 1124 // 1125 // When implementing these wrappers, you need to work out if the wrapper is 1126 // generic, Linux-only (but arch-independent), or TILEGX/Linux only. 1127 1128 static SyscallTableEntry syscall_table[] = { 1129 1130 LINXY(__NR_io_setup, sys_io_setup), // 0 1131 LINX_(__NR_io_destroy, sys_io_destroy), // 1 1132 LINX_(__NR_io_submit, sys_io_submit), // 2 1133 LINXY(__NR_io_cancel, sys_io_cancel), // 3 1134 LINXY(__NR_io_getevents, sys_io_getevents), // 4 1135 LINX_(__NR_setxattr, sys_setxattr), // 5 1136 LINX_(__NR_lsetxattr, sys_lsetxattr), // 6 1137 LINX_(__NR_fsetxattr, sys_fsetxattr), // 7 1138 LINXY(__NR_getxattr, sys_getxattr), // 8 1139 LINXY(__NR_lgetxattr, sys_lgetxattr), // 9 1140 LINXY(__NR_fgetxattr, sys_fgetxattr), // 10 1141 LINXY(__NR_listxattr, sys_listxattr), // 11 1142 LINXY(__NR_llistxattr, sys_llistxattr), // 12 1143 LINXY(__NR_flistxattr, sys_flistxattr), // 13 1144 LINX_(__NR_removexattr, sys_removexattr), // 14 1145 LINX_(__NR_lremovexattr, sys_lremovexattr), // 15 1146 LINX_(__NR_fremovexattr, sys_fremovexattr), // 16 1147 GENXY(__NR_getcwd, sys_getcwd), // 17 1148 LINXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 18 1149 LINX_(__NR_eventfd2, sys_eventfd2), // 19 1150 LINXY(__NR_epoll_create1, sys_epoll_create1), // 20 1151 LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 21 1152 LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 22 1153 GENXY(__NR_dup, sys_dup), // 23 1154 GENXY(__NR_dup2, sys_dup2), // 23 1155 LINXY(__NR_dup3, sys_dup3), // 24 1156 LINXY(__NR_fcntl, sys_fcntl), // 25 1157 LINXY(__NR_inotify_init1, sys_inotify_init1), // 26 1158 LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 27 1159 LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 28 1160 LINXY(__NR_ioctl, sys_ioctl), // 29 1161 LINX_(__NR_ioprio_set, sys_ioprio_set), // 30 1162 LINX_(__NR_ioprio_get, sys_ioprio_get), // 31 1163 GENX_(__NR_flock, sys_flock), // 32 1164 LINX_(__NR_mknodat, sys_mknodat), // 33 1165 LINX_(__NR_mkdirat, sys_mkdirat), // 34 1166 LINX_(__NR_unlinkat, sys_unlinkat), // 35 1167 LINX_(__NR_symlinkat, sys_symlinkat), // 36 1168 LINX_(__NR_linkat, sys_linkat), // 37 1169 LINX_(__NR_renameat, sys_renameat), // 38 1170 LINX_(__NR_umount2, sys_umount), // 39 1171 LINX_(__NR_mount, sys_mount), // 40 1172 1173 GENXY(__NR_statfs, sys_statfs), // 43 1174 GENXY(__NR_fstatfs, sys_fstatfs), // 44 1175 GENX_(__NR_truncate, sys_truncate), // 45 1176 GENX_(__NR_ftruncate, sys_ftruncate), // 46 1177 LINX_(__NR_fallocate, sys_fallocate), // 47 1178 LINX_(__NR_faccessat, sys_faccessat), // 48 1179 GENX_(__NR_chdir, sys_chdir), // 49 1180 GENX_(__NR_fchdir, sys_fchdir), // 50 1181 GENX_(__NR_chroot, sys_chroot), // 51 1182 GENX_(__NR_fchmod, sys_fchmod), // 52 1183 LINX_(__NR_fchmodat, sys_fchmodat), // 53 1184 LINX_(__NR_fchownat, sys_fchownat), // 54 1185 GENX_(__NR_fchown, sys_fchown), // 55 1186 LINXY(__NR_openat, sys_openat), // 56 1187 GENXY(__NR_close, sys_close), // 57 1188 LINX_(__NR_vhangup, sys_vhangup), // 58 1189 LINXY(__NR_pipe2, sys_pipe2), // 59 1190 LINX_(__NR_quotactl, sys_quotactl), // 60 1191 GENXY(__NR_getdents64, sys_getdents64), // 61 1192 LINX_(__NR_lseek, sys_lseek), // 62 1193 GENXY(__NR_read, sys_read), // 63 1194 GENX_(__NR_write, sys_write), // 64 1195 GENXY(__NR_readv, sys_readv), // 65 1196 GENX_(__NR_writev, sys_writev), // 66 1197 GENXY(__NR_pread64, sys_pread64), // 67 1198 GENX_(__NR_pwrite64, sys_pwrite64), // 68 1199 LINXY(__NR_preadv, sys_preadv), // 69 1200 LINX_(__NR_pwritev, sys_pwritev), // 70 1201 LINXY(__NR_sendfile, sys_sendfile), // 71 1202 LINX_(__NR_pselect6, sys_pselect6), // 72 1203 LINXY(__NR_ppoll, sys_ppoll), // 73 1204 LINXY(__NR_signalfd4, sys_signalfd4), // 74 1205 LINX_(__NR_splice, sys_splice), // 75 1206 LINX_(__NR_readlinkat, sys_readlinkat), // 78 1207 LINXY(__NR3264_fstatat, sys_newfstatat), // 79 1208 GENXY(__NR_fstat, sys_newfstat), // 80 1209 GENX_(__NR_sync, sys_sync), // 81 1210 GENX_(__NR_fsync, sys_fsync), // 82 1211 GENX_(__NR_fdatasync, sys_fdatasync), // 83 1212 LINX_(__NR_sync_file_range, sys_sync_file_range), // 84 1213 LINXY(__NR_timerfd_create, sys_timerfd_create), // 85 1214 LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 86 1215 LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 87 1216 LINX_(__NR_utimensat, sys_utimensat), // 88 1217 1218 LINXY(__NR_capget, sys_capget), // 90 1219 LINX_(__NR_capset, sys_capset), // 91 1220 LINX_(__NR_personality, sys_personality), // 92 1221 GENX_(__NR_exit, sys_exit), // 93 1222 LINX_(__NR_exit_group, sys_exit_group), // 94 1223 LINXY(__NR_waitid, sys_waitid), // 95 1224 LINX_(__NR_set_tid_address, sys_set_tid_address), // 96 1225 LINXY(__NR_futex, sys_futex), // 98 1226 LINX_(__NR_set_robust_list, sys_set_robust_list), // 99 1227 LINXY(__NR_get_robust_list, sys_get_robust_list), // 100 1228 GENXY(__NR_nanosleep, sys_nanosleep), // 101 1229 GENXY(__NR_getitimer, sys_getitimer), // 102 1230 GENXY(__NR_setitimer, sys_setitimer), // 103 1231 LINX_(__NR_init_module, sys_init_module), // 105 1232 LINX_(__NR_delete_module, sys_delete_module), // 106 1233 LINXY(__NR_timer_create, sys_timer_create), // 107 1234 LINXY(__NR_timer_gettime, sys_timer_gettime), // 108 1235 LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 109 1236 LINXY(__NR_timer_settime, sys_timer_settime), // 110 1237 LINX_(__NR_timer_delete, sys_timer_delete), // 111 1238 LINX_(__NR_clock_settime, sys_clock_settime), // 112 1239 LINXY(__NR_clock_gettime, sys_clock_gettime), // 113 1240 LINXY(__NR_clock_getres, sys_clock_getres), // 114 1241 LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 115 1242 LINXY(__NR_syslog, sys_syslog), // 116 1243 PLAXY(__NR_ptrace, sys_ptrace), // 117 1244 LINXY(__NR_sched_setparam, sys_sched_setparam), // 118 1245 LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 119 1246 LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 120 1247 LINXY(__NR_sched_getparam, sys_sched_getparam), // 121 1248 LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 122 1249 LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 123 1250 LINX_(__NR_sched_yield, sys_sched_yield), // 124 1251 LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max), // 125 1252 LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min), // 126 1253 LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 127 1254 1255 GENX_(__NR_kill, sys_kill), // 129 1256 LINXY(__NR_tkill, sys_tkill), // 130 1257 LINXY(__NR_tgkill, sys_tgkill), // 131 1258 GENXY(__NR_sigaltstack, sys_sigaltstack), // 132 1259 LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 133 1260 LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 134 1261 LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 135 1262 LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 136 1263 LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 137 1264 LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 138 1265 PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 139 1266 GENX_(__NR_setpriority, sys_setpriority), // 140 1267 GENX_(__NR_getpriority, sys_getpriority), // 141 1268 1269 GENX_(__NR_setregid, sys_setregid), // 143 1270 GENX_(__NR_setgid, sys_setgid), // 144 1271 GENX_(__NR_setreuid, sys_setreuid), // 145 1272 GENX_(__NR_setuid, sys_setuid), // 146 1273 LINX_(__NR_setresuid, sys_setresuid), // 147 1274 LINXY(__NR_getresuid, sys_getresuid), // 148 1275 LINX_(__NR_setresgid, sys_setresgid), // 149 1276 LINXY(__NR_getresgid, sys_getresgid), // 150 1277 LINX_(__NR_setfsuid, sys_setfsuid), // 151 1278 LINX_(__NR_setfsgid, sys_setfsgid), // 152 1279 GENXY(__NR_times, sys_times), // 153 1280 GENX_(__NR_setpgid, sys_setpgid), // 154 1281 GENX_(__NR_getpgid, sys_getpgid), // 155 1282 GENX_(__NR_getsid, sys_getsid), // 156 1283 GENX_(__NR_setsid, sys_setsid), // 157 1284 GENXY(__NR_getgroups, sys_getgroups), // 158 1285 GENX_(__NR_setgroups, sys_setgroups), // 159 1286 GENXY(__NR_uname, sys_newuname), // 160 1287 GENXY(__NR_getrlimit, sys_getrlimit), // 163 1288 GENX_(__NR_setrlimit, sys_setrlimit), // 164 1289 GENXY(__NR_getrusage, sys_getrusage), // 165 1290 GENX_(__NR_umask, sys_umask), // 166 1291 LINXY(__NR_prctl, sys_prctl), // 167 1292 1293 GENXY(__NR_gettimeofday, sys_gettimeofday), // 169 1294 GENX_(__NR_settimeofday, sys_settimeofday), // 170 1295 LINXY(__NR_adjtimex, sys_adjtimex), // 171 1296 GENX_(__NR_getpid, sys_getpid), // 172 1297 GENX_(__NR_getppid, sys_getppid), // 173 1298 GENX_(__NR_getuid, sys_getuid), // 174 1299 GENX_(__NR_geteuid, sys_geteuid), // 175 1300 GENX_(__NR_getgid, sys_getgid), // 176 1301 GENX_(__NR_getegid, sys_getegid), // 177 1302 LINX_(__NR_gettid, sys_gettid), // 178 1303 LINXY(__NR_sysinfo, sys_sysinfo), // 179 1304 LINXY(__NR_mq_open, sys_mq_open), // 180 1305 LINX_(__NR_mq_unlink, sys_mq_unlink), // 181 1306 LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 182 1307 LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 183 1308 LINX_(__NR_mq_notify, sys_mq_notify), // 184 1309 LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 185 1310 PLAX_(__NR_msgget, sys_msgget), // 186 1311 PLAXY(__NR_msgctl, sys_msgctl), // 187 1312 PLAXY(__NR_msgrcv, sys_msgrcv), // 188 1313 PLAX_(__NR_msgsnd, sys_msgsnd), // 189 1314 PLAX_(__NR_semget, sys_semget), // 190 1315 PLAXY(__NR_semctl, sys_semctl), // 191 1316 PLAX_(__NR_semtimedop, sys_semtimedop), // 192 1317 PLAX_(__NR_semop, sys_semop), // 193 1318 PLAX_(__NR_shmget, sys_shmget), // 194 1319 PLAXY(__NR_shmat, wrap_sys_shmat), // 196 1320 PLAXY(__NR_shmctl, sys_shmctl), // 195 1321 PLAXY(__NR_shmdt, sys_shmdt), // 197 1322 PLAXY(__NR_socket, sys_socket), // 198 1323 PLAXY(__NR_socketpair, sys_socketpair), // 199 1324 PLAX_(__NR_bind, sys_bind), // 200 1325 PLAX_(__NR_listen, sys_listen), // 201 1326 PLAXY(__NR_accept, sys_accept), // 202 1327 PLAX_(__NR_connect, sys_connect), // 203 1328 PLAXY(__NR_getsockname, sys_getsockname), // 204 1329 PLAXY(__NR_getpeername, sys_getpeername), // 205 1330 PLAX_(__NR_sendto, sys_sendto), // 206 1331 PLAXY(__NR_recvfrom, sys_recvfrom), // 207 1332 PLAX_(__NR_setsockopt, sys_setsockopt), // 208 1333 PLAXY(__NR_getsockopt, sys_getsockopt), // 209 1334 PLAX_(__NR_shutdown, sys_shutdown), // 210 1335 PLAX_(__NR_sendmsg, sys_sendmsg), // 211 1336 PLAXY(__NR_recvmsg, sys_recvmsg), // 212 1337 LINX_(__NR_readahead, sys_readahead), // 213 1338 GENX_(__NR_brk, sys_brk), // 214 1339 GENXY(__NR_munmap, sys_munmap), // 215 1340 GENX_(__NR_mremap, sys_mremap), // 216 1341 LINX_(__NR_add_key, sys_add_key), // 217 1342 LINX_(__NR_request_key, sys_request_key), // 218 1343 LINXY(__NR_keyctl, sys_keyctl), // 219 1344 PLAX_(__NR_clone, sys_clone), // 220 1345 GENX_(__NR_execve, sys_execve), // 221 1346 PLAX_(__NR_mmap, sys_mmap), // 222 1347 GENXY(__NR_mprotect, sys_mprotect), // 226 1348 GENX_(__NR_msync, sys_msync), // 227 1349 GENX_(__NR_mlock, sys_mlock), // 228 1350 GENX_(__NR_munlock, sys_munlock), // 229 1351 GENX_(__NR_mlockall, sys_mlockall), // 230 1352 LINX_(__NR_munlockall, sys_munlockall), // 231 1353 GENX_(__NR_mincore, sys_mincore), // 232 1354 GENX_(__NR_madvise, sys_madvise), // 233 1355 1356 LINX_(__NR_mbind, sys_mbind), // 235 1357 LINXY(__NR_get_mempolicy, sys_get_mempolicy), // 236 1358 LINX_(__NR_set_mempolicy, sys_set_mempolicy), // 237 1359 1360 LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo), // 240 1361 1362 PLAXY(__NR_accept4, sys_accept4), // 242 1363 1364 PLAX_(__NR_cacheflush, sys_cacheflush), // 245 1365 PLAX_(__NR_set_dataplane, sys_set_dataplane), // 246 1366 1367 GENXY(__NR_wait4, sys_wait4), // 260 1368 }; 1369 1370 SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno ) 1371 { 1372 const UInt syscall_table_size 1373 = sizeof(syscall_table) / sizeof(syscall_table[0]); 1374 1375 /* Is it in the contiguous initial section of the table? */ 1376 if (sysno < syscall_table_size) { 1377 SyscallTableEntry* sys = &syscall_table[sysno]; 1378 if (sys->before == NULL) 1379 return NULL; /* no entry */ 1380 else 1381 return sys; 1382 } 1383 //vex_printf("sysno: %d\n", sysno); 1384 1385 /* Can't find a wrapper */ 1386 return NULL; 1387 } 1388 1389 #endif // defined(VGP_tilegx_linux) 1390 1391 /*--------------------------------------------------------------------*/ 1392 /*--- end syswrap-tilegx-linux.c ---*/ 1393 /*--------------------------------------------------------------------*/ 1394
