1 2 /*--------------------------------------------------------------------*/ 3 /*--- Platform-specific syscalls stuff. syswrap-ppc64-linux.c ---*/ 4 /*--------------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2005-2011 Nicholas Nethercote <njn (at) valgrind.org> 11 Copyright (C) 2005-2011 Cerion Armour-Brown <cerion (at) open-works.co.uk> 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(VGP_ppc64_linux) 32 33 #include "pub_core_basics.h" 34 #include "pub_core_vki.h" 35 #include "pub_core_vkiscnums.h" 36 #include "pub_core_libcsetjmp.h" // to keep _threadstate.h happy 37 #include "pub_core_threadstate.h" 38 #include "pub_core_aspacemgr.h" 39 #include "pub_core_debuglog.h" 40 #include "pub_core_libcbase.h" 41 #include "pub_core_libcassert.h" 42 #include "pub_core_libcprint.h" 43 #include "pub_core_libcproc.h" 44 #include "pub_core_libcsignal.h" 45 #include "pub_core_options.h" 46 #include "pub_core_scheduler.h" 47 #include "pub_core_sigframe.h" // For VG_(sigframe_destroy)() 48 #include "pub_core_signals.h" 49 #include "pub_core_syscall.h" 50 #include "pub_core_syswrap.h" 51 #include "pub_core_tooliface.h" 52 #include "pub_core_stacks.h" // VG_(register_stack) 53 54 #include "priv_types_n_macros.h" 55 #include "priv_syswrap-generic.h" /* for decls of generic wrappers */ 56 #include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */ 57 #include "priv_syswrap-main.h" 58 59 60 /* --------------------------------------------------------------------- 61 clone() handling 62 ------------------------------------------------------------------ */ 63 64 /* Call f(arg1), but first switch stacks, using 'stack' as the new 65 stack, and use 'retaddr' as f's return-to address. Also, clear all 66 the integer registers before entering f.*/ 67 __attribute__((noreturn)) 68 void ML_(call_on_new_stack_0_1) ( Addr stack, 69 Addr retaddr, 70 void (*f_desc)(Word), 71 Word arg1 ); 72 // r3 = stack 73 // r4 = retaddr 74 // r5 = function descriptor 75 // r6 = arg1 76 /* On PPC64, a func ptr is represented by a TOC entry ptr. 77 This TOC entry contains three words; the first word is the function 78 address, the second word is the TOC ptr (r2), and the third word is 79 the static chain value. */ 80 asm( 81 " .align 2\n" 82 " .globl vgModuleLocal_call_on_new_stack_0_1\n" 83 " .section \".opd\",\"aw\"\n" 84 " .align 3\n" 85 "vgModuleLocal_call_on_new_stack_0_1:\n" 86 " .quad .vgModuleLocal_call_on_new_stack_0_1,.TOC.@tocbase,0\n" 87 " .previous\n" 88 " .type .vgModuleLocal_call_on_new_stack_0_1,@function\n" 89 " .globl .vgModuleLocal_call_on_new_stack_0_1\n" 90 ".vgModuleLocal_call_on_new_stack_0_1:\n" 91 " mr %r1,%r3\n\t" // stack to %sp 92 " mtlr %r4\n\t" // retaddr to %lr 93 " ld 5,0(5)\n\t" // load f_ptr from f_desc[0] 94 " mtctr %r5\n\t" // f_ptr to count reg 95 " mr %r3,%r6\n\t" // arg1 to %r3 96 " li 0,0\n\t" // zero all GP regs 97 " li 4,0\n\t" 98 " li 5,0\n\t" 99 " li 6,0\n\t" 100 " li 7,0\n\t" 101 " li 8,0\n\t" 102 " li 9,0\n\t" 103 " li 10,0\n\t" 104 " li 11,0\n\t" 105 " li 12,0\n\t" 106 " li 13,0\n\t" 107 " li 14,0\n\t" 108 " li 15,0\n\t" 109 " li 16,0\n\t" 110 " li 17,0\n\t" 111 " li 18,0\n\t" 112 " li 19,0\n\t" 113 " li 20,0\n\t" 114 " li 21,0\n\t" 115 " li 22,0\n\t" 116 " li 23,0\n\t" 117 " li 24,0\n\t" 118 " li 25,0\n\t" 119 " li 26,0\n\t" 120 " li 27,0\n\t" 121 " li 28,0\n\t" 122 " li 29,0\n\t" 123 " li 30,0\n\t" 124 " li 31,0\n\t" 125 " mtxer 0\n\t" // CAB: Need this? 126 " mtcr 0\n\t" // CAB: Need this? 127 " bctr\n\t" // jump to dst 128 " trap\n" // should never get here 129 ); 130 131 132 /* 133 Perform a clone system call. clone is strange because it has 134 fork()-like return-twice semantics, so it needs special 135 handling here. 136 137 Upon entry, we have: 138 139 word (fn)(void*) in r3 140 void* child_stack in r4 141 word flags in r5 142 void* arg in r6 143 pid_t* child_tid in r7 144 pid_t* parent_tid in r8 145 void* ??? in r9 146 147 Note: r3 contains fn desc ptr, not fn ptr -- p_fn = p_fn_desc[0] 148 System call requires: 149 150 int $__NR_clone in r0 (sc number) 151 int flags in r3 (sc arg1) 152 void* child_stack in r4 (sc arg2) 153 pid_t* parent_tid in r5 (sc arg3) 154 ?? child_tls in r6 (sc arg4) 155 pid_t* child_tid in r7 (sc arg5) 156 void* ??? in r8 (sc arg6) 157 158 Returns a ULong encoded as: top half is %cr following syscall, 159 low half is syscall return value (r3). 160 */ 161 #define __NR_CLONE VG_STRINGIFY(__NR_clone) 162 #define __NR_EXIT VG_STRINGIFY(__NR_exit) 163 164 extern 165 ULong do_syscall_clone_ppc64_linux ( Word (*fn)(void *), 166 void* stack, 167 Int flags, 168 void* arg, 169 Int* child_tid, 170 Int* parent_tid, 171 void/*vki_modify_ldt_t*/ * ); 172 asm( 173 " .align 2\n" 174 " .globl do_syscall_clone_ppc64_linux\n" 175 " .section \".opd\",\"aw\"\n" 176 " .align 3\n" 177 "do_syscall_clone_ppc64_linux:\n" 178 " .quad .do_syscall_clone_ppc64_linux,.TOC.@tocbase,0\n" 179 " .previous\n" 180 " .type .do_syscall_clone_ppc64_linux,@function\n" 181 " .globl .do_syscall_clone_ppc64_linux\n" 182 ".do_syscall_clone_ppc64_linux:\n" 183 " stdu 1,-64(1)\n" 184 " std 29,40(1)\n" 185 " std 30,48(1)\n" 186 " std 31,56(1)\n" 187 " mr 30,3\n" // preserve fn 188 " mr 31,6\n" // preserve arg 189 190 // setup child stack 191 " rldicr 4,4, 0,59\n" // trim sp to multiple of 16 bytes 192 // (r4 &= ~0xF) 193 " li 0,0\n" 194 " stdu 0,-32(4)\n" // make initial stack frame 195 " mr 29,4\n" // preserve sp 196 197 // setup syscall 198 " li 0,"__NR_CLONE"\n" // syscall number 199 " mr 3,5\n" // syscall arg1: flags 200 // r4 already setup // syscall arg2: child_stack 201 " mr 5,8\n" // syscall arg3: parent_tid 202 " mr 6,13\n" // syscall arg4: REAL THREAD tls 203 " mr 7,7\n" // syscall arg5: child_tid 204 " mr 8,8\n" // syscall arg6: ???? 205 " mr 9,9\n" // syscall arg7: ???? 206 207 " sc\n" // clone() 208 209 " mfcr 4\n" // CR now in low half r4 210 " sldi 4,4,32\n" // CR now in hi half r4 211 212 " sldi 3,3,32\n" 213 " srdi 3,3,32\n" // zero out hi half r3 214 215 " or 3,3,4\n" // r3 = CR : syscall-retval 216 " cmpwi 3,0\n" // child if retval == 0 (note, cmpw) 217 " bne 1f\n" // jump if !child 218 219 /* CHILD - call thread function */ 220 /* Note: 2.4 kernel doesn't set the child stack pointer, 221 so we do it here. 222 That does leave a small window for a signal to be delivered 223 on the wrong stack, unfortunately. */ 224 " mr 1,29\n" 225 " ld 30, 0(30)\n" // convert fn desc ptr to fn ptr 226 " mtctr 30\n" // ctr reg = fn 227 " mr 3,31\n" // r3 = arg 228 " bctrl\n" // call fn() 229 230 // exit with result 231 " li 0,"__NR_EXIT"\n" 232 " sc\n" 233 234 // Exit returned?! 235 " .long 0\n" 236 237 // PARENT or ERROR - return 238 "1: ld 29,40(1)\n" 239 " ld 30,48(1)\n" 240 " ld 31,56(1)\n" 241 " addi 1,1,64\n" 242 " blr\n" 243 ); 244 245 #undef __NR_CLONE 246 #undef __NR_EXIT 247 248 // forward declarations 249 static void setup_child ( ThreadArchState*, ThreadArchState* ); 250 251 /* 252 When a client clones, we need to keep track of the new thread. This means: 253 1. allocate a ThreadId+ThreadState+stack for the the thread 254 255 2. initialize the thread's new VCPU state 256 257 3. create the thread using the same args as the client requested, 258 but using the scheduler entrypoint for IP, and a separate stack 259 for SP. 260 */ 261 static SysRes do_clone ( ThreadId ptid, 262 UInt flags, Addr sp, 263 Int *parent_tidptr, 264 Int *child_tidptr, 265 Addr child_tls) 266 { 267 const Bool debug = False; 268 269 ThreadId ctid = VG_(alloc_ThreadState)(); 270 ThreadState* ptst = VG_(get_ThreadState)(ptid); 271 ThreadState* ctst = VG_(get_ThreadState)(ctid); 272 ULong word64; 273 UWord* stack; 274 NSegment const* seg; 275 SysRes res; 276 vki_sigset_t blockall, savedmask; 277 278 VG_(sigfillset)(&blockall); 279 280 vg_assert(VG_(is_running_thread)(ptid)); 281 vg_assert(VG_(is_valid_tid)(ctid)); 282 283 stack = (UWord*)ML_(allocstack)(ctid); 284 if (stack == NULL) { 285 res = VG_(mk_SysRes_Error)( VKI_ENOMEM ); 286 goto out; 287 } 288 289 //? /* make a stack frame */ 290 //? stack -= 16; 291 //? *(UWord *)stack = 0; 292 293 294 /* Copy register state 295 296 Both parent and child return to the same place, and the code 297 following the clone syscall works out which is which, so we 298 don't need to worry about it. 299 300 The parent gets the child's new tid returned from clone, but the 301 child gets 0. 302 303 If the clone call specifies a NULL SP for the new thread, then 304 it actually gets a copy of the parent's SP. 305 306 The child's TLS register (r2) gets set to the tlsaddr argument 307 if the CLONE_SETTLS flag is set. 308 */ 309 setup_child( &ctst->arch, &ptst->arch ); 310 311 /* Make sys_clone appear to have returned Success(0) in the 312 child. */ 313 { UInt old_cr = LibVEX_GuestPPC64_get_CR( &ctst->arch.vex ); 314 /* %r3 = 0 */ 315 ctst->arch.vex.guest_GPR3 = 0; 316 /* %cr0.so = 0 */ 317 LibVEX_GuestPPC64_put_CR( old_cr & ~(1<<28), &ctst->arch.vex ); 318 } 319 320 if (sp != 0) 321 ctst->arch.vex.guest_GPR1 = sp; 322 323 ctst->os_state.parent = ptid; 324 325 /* inherit signal mask */ 326 ctst->sig_mask = ptst->sig_mask; 327 ctst->tmp_sig_mask = ptst->sig_mask; 328 329 /* Start the child with its threadgroup being the same as the 330 parent's. This is so that any exit_group calls that happen 331 after the child is created but before it sets its 332 os_state.threadgroup field for real (in thread_wrapper in 333 syswrap-linux.c), really kill the new thread. a.k.a this avoids 334 a race condition in which the thread is unkillable (via 335 exit_group) because its threadgroup is not set. The race window 336 is probably only a few hundred or a few thousand cycles long. 337 See #226116. */ 338 ctst->os_state.threadgroup = ptst->os_state.threadgroup; 339 340 /* We don't really know where the client stack is, because its 341 allocated by the client. The best we can do is look at the 342 memory mappings and try to derive some useful information. We 343 assume that esp starts near its highest possible value, and can 344 only go down to the start of the mmaped segment. */ 345 seg = VG_(am_find_nsegment)(sp); 346 if (seg && seg->kind != SkResvn) { 347 ctst->client_stack_highest_word = (Addr)VG_PGROUNDUP(sp); 348 ctst->client_stack_szB = ctst->client_stack_highest_word - seg->start; 349 350 VG_(register_stack)(seg->start, ctst->client_stack_highest_word); 351 352 if (debug) 353 VG_(printf)("\ntid %d: guessed client stack range %#lx-%#lx\n", 354 ctid, seg->start, VG_PGROUNDUP(sp)); 355 } else { 356 VG_(message)(Vg_UserMsg, 357 "!? New thread %d starts with R1(%#lx) unmapped\n", 358 ctid, sp); 359 ctst->client_stack_szB = 0; 360 } 361 362 /* Assume the clone will succeed, and tell any tool that wants to 363 know that this thread has come into existence. If the clone 364 fails, we'll send out a ll_exit notification for it at the out: 365 label below, to clean up. */ 366 VG_TRACK ( pre_thread_ll_create, ptid, ctid ); 367 368 if (flags & VKI_CLONE_SETTLS) { 369 if (debug) 370 VG_(printf)("clone child has SETTLS: tls at %#lx\n", child_tls); 371 ctst->arch.vex.guest_GPR13 = child_tls; 372 } 373 374 flags &= ~VKI_CLONE_SETTLS; 375 376 /* start the thread with everything blocked */ 377 VG_(sigprocmask)(VKI_SIG_SETMASK, &blockall, &savedmask); 378 379 /* Create the new thread */ 380 word64 = do_syscall_clone_ppc64_linux( 381 ML_(start_thread_NORETURN), 382 stack, flags, &VG_(threads)[ctid], 383 child_tidptr, parent_tidptr, NULL 384 ); 385 386 /* Low half word64 is syscall return value. Hi half is 387 the entire CR, from which we need to extract CR0.SO. */ 388 /* VG_(printf)("word64 = 0x%llx\n", word64); */ 389 res = VG_(mk_SysRes_ppc64_linux)( 390 /*val*/(UInt)(word64 & 0xFFFFFFFFULL), 391 /*errflag*/ (UInt)((word64 >> (32+28)) & 1) 392 ); 393 394 VG_(sigprocmask)(VKI_SIG_SETMASK, &savedmask, NULL); 395 396 out: 397 if (sr_isError(res)) { 398 /* clone failed */ 399 VG_(cleanup_thread)(&ctst->arch); 400 ctst->status = VgTs_Empty; 401 /* oops. Better tell the tool the thread exited in a hurry :-) */ 402 VG_TRACK( pre_thread_ll_exit, ctid ); 403 } 404 405 return res; 406 } 407 408 409 410 /* --------------------------------------------------------------------- 411 More thread stuff 412 ------------------------------------------------------------------ */ 413 414 void VG_(cleanup_thread) ( ThreadArchState* arch ) 415 { 416 } 417 418 void setup_child ( /*OUT*/ ThreadArchState *child, 419 /*IN*/ ThreadArchState *parent ) 420 { 421 /* We inherit our parent's guest state. */ 422 child->vex = parent->vex; 423 child->vex_shadow1 = parent->vex_shadow1; 424 child->vex_shadow2 = parent->vex_shadow2; 425 } 426 427 428 /* --------------------------------------------------------------------- 429 PRE/POST wrappers for ppc64/Linux-specific syscalls 430 ------------------------------------------------------------------ */ 431 432 #define PRE(name) DEFN_PRE_TEMPLATE(ppc64_linux, name) 433 #define POST(name) DEFN_POST_TEMPLATE(ppc64_linux, name) 434 435 /* Add prototypes for the wrappers declared here, so that gcc doesn't 436 harass us for not having prototypes. Really this is a kludge -- 437 the right thing to do is to make these wrappers 'static' since they 438 aren't visible outside this file, but that requires even more macro 439 magic. */ 440 441 DECL_TEMPLATE(ppc64_linux, sys_socketcall); 442 DECL_TEMPLATE(ppc64_linux, sys_mmap); 443 //zz DECL_TEMPLATE(ppc64_linux, sys_mmap2); 444 //zz DECL_TEMPLATE(ppc64_linux, sys_stat64); 445 //zz DECL_TEMPLATE(ppc64_linux, sys_lstat64); 446 //zz DECL_TEMPLATE(ppc64_linux, sys_fstat64); 447 DECL_TEMPLATE(ppc64_linux, sys_ipc); 448 DECL_TEMPLATE(ppc64_linux, sys_clone); 449 //zz DECL_TEMPLATE(ppc64_linux, sys_sigreturn); 450 DECL_TEMPLATE(ppc64_linux, sys_rt_sigreturn); 451 DECL_TEMPLATE(ppc64_linux, sys_fadvise64); 452 453 PRE(sys_socketcall) 454 { 455 # define ARG2_0 (((UWord*)ARG2)[0]) 456 # define ARG2_1 (((UWord*)ARG2)[1]) 457 # define ARG2_2 (((UWord*)ARG2)[2]) 458 # define ARG2_3 (((UWord*)ARG2)[3]) 459 # define ARG2_4 (((UWord*)ARG2)[4]) 460 # define ARG2_5 (((UWord*)ARG2)[5]) 461 462 *flags |= SfMayBlock; 463 PRINT("sys_socketcall ( %ld, %#lx )",ARG1,ARG2); 464 PRE_REG_READ2(long, "socketcall", int, call, unsigned long *, args); 465 466 switch (ARG1 /* request */) { 467 468 case VKI_SYS_SOCKETPAIR: 469 /* int socketpair(int d, int type, int protocol, int sv[2]); */ 470 PRE_MEM_READ( "socketcall.socketpair(args)", ARG2, 4*sizeof(Addr) ); 471 ML_(generic_PRE_sys_socketpair)( tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3 ); 472 break; 473 474 case VKI_SYS_SOCKET: 475 /* int socket(int domain, int type, int protocol); */ 476 PRE_MEM_READ( "socketcall.socket(args)", ARG2, 3*sizeof(Addr) ); 477 break; 478 479 case VKI_SYS_BIND: 480 /* int bind(int sockfd, struct sockaddr *my_addr, 481 int addrlen); */ 482 PRE_MEM_READ( "socketcall.bind(args)", ARG2, 3*sizeof(Addr) ); 483 ML_(generic_PRE_sys_bind)( tid, ARG2_0, ARG2_1, ARG2_2 ); 484 break; 485 486 case VKI_SYS_LISTEN: 487 /* int listen(int s, int backlog); */ 488 PRE_MEM_READ( "socketcall.listen(args)", ARG2, 2*sizeof(Addr) ); 489 break; 490 491 case VKI_SYS_ACCEPT: { 492 /* int accept(int s, struct sockaddr *addr, int *addrlen); */ 493 PRE_MEM_READ( "socketcall.accept(args)", ARG2, 3*sizeof(Addr) ); 494 ML_(generic_PRE_sys_accept)( tid, ARG2_0, ARG2_1, ARG2_2 ); 495 break; 496 } 497 498 case VKI_SYS_ACCEPT4: { 499 /* int accept4(int s, struct sockaddr *addr, int *addrlen, int flags); */ 500 PRE_MEM_READ( "socketcall.accept4(args)", ARG2, 4*sizeof(Addr) ); 501 ML_(generic_PRE_sys_accept)( tid, ARG2_0, ARG2_1, ARG2_2 ); 502 break; 503 } 504 505 case VKI_SYS_SENDTO: 506 /* int sendto(int s, const void *msg, int len, 507 unsigned int flags, 508 const struct sockaddr *to, int tolen); */ 509 PRE_MEM_READ( "socketcall.sendto(args)", ARG2, 6*sizeof(Addr) ); 510 ML_(generic_PRE_sys_sendto)( tid, ARG2_0, ARG2_1, ARG2_2, 511 ARG2_3, ARG2_4, ARG2_5 ); 512 break; 513 514 case VKI_SYS_SEND: 515 /* int send(int s, const void *msg, size_t len, int flags); */ 516 PRE_MEM_READ( "socketcall.send(args)", ARG2, 4*sizeof(Addr) ); 517 ML_(generic_PRE_sys_send)( tid, ARG2_0, ARG2_1, ARG2_2 ); 518 break; 519 520 case VKI_SYS_RECVFROM: 521 /* int recvfrom(int s, void *buf, int len, unsigned int flags, 522 struct sockaddr *from, int *fromlen); */ 523 PRE_MEM_READ( "socketcall.recvfrom(args)", ARG2, 6*sizeof(Addr) ); 524 ML_(generic_PRE_sys_recvfrom)( tid, ARG2_0, ARG2_1, ARG2_2, 525 ARG2_3, ARG2_4, ARG2_5 ); 526 break; 527 528 case VKI_SYS_RECV: 529 /* int recv(int s, void *buf, int len, unsigned int flags); */ 530 /* man 2 recv says: 531 The recv call is normally used only on a connected socket 532 (see connect(2)) and is identical to recvfrom with a NULL 533 from parameter. 534 */ 535 PRE_MEM_READ( "socketcall.recv(args)", ARG2, 4*sizeof(Addr) ); 536 ML_(generic_PRE_sys_recv)( tid, ARG2_0, ARG2_1, ARG2_2 ); 537 break; 538 539 case VKI_SYS_CONNECT: 540 /* int connect(int sockfd, 541 struct sockaddr *serv_addr, int addrlen ); */ 542 PRE_MEM_READ( "socketcall.connect(args)", ARG2, 3*sizeof(Addr) ); 543 ML_(generic_PRE_sys_connect)( tid, ARG2_0, ARG2_1, ARG2_2 ); 544 break; 545 546 case VKI_SYS_SETSOCKOPT: 547 /* int setsockopt(int s, int level, int optname, 548 const void *optval, int optlen); */ 549 PRE_MEM_READ( "socketcall.setsockopt(args)", ARG2, 5*sizeof(Addr) ); 550 ML_(generic_PRE_sys_setsockopt)( tid, ARG2_0, ARG2_1, ARG2_2, 551 ARG2_3, ARG2_4 ); 552 break; 553 554 case VKI_SYS_GETSOCKOPT: 555 /* int getsockopt(int s, int level, int optname, 556 void *optval, socklen_t *optlen); */ 557 PRE_MEM_READ( "socketcall.getsockopt(args)", ARG2, 5*sizeof(Addr) ); 558 ML_(linux_PRE_sys_getsockopt)( tid, ARG2_0, ARG2_1, ARG2_2, 559 ARG2_3, ARG2_4 ); 560 break; 561 562 case VKI_SYS_GETSOCKNAME: 563 /* int getsockname(int s, struct sockaddr* name, int* namelen) */ 564 PRE_MEM_READ( "socketcall.getsockname(args)", ARG2, 3*sizeof(Addr) ); 565 ML_(generic_PRE_sys_getsockname)( tid, ARG2_0, ARG2_1, ARG2_2 ); 566 break; 567 568 case VKI_SYS_GETPEERNAME: 569 /* int getpeername(int s, struct sockaddr* name, int* namelen) */ 570 PRE_MEM_READ( "socketcall.getpeername(args)", ARG2, 3*sizeof(Addr) ); 571 ML_(generic_PRE_sys_getpeername)( tid, ARG2_0, ARG2_1, ARG2_2 ); 572 break; 573 574 case VKI_SYS_SHUTDOWN: 575 /* int shutdown(int s, int how); */ 576 PRE_MEM_READ( "socketcall.shutdown(args)", ARG2, 2*sizeof(Addr) ); 577 break; 578 579 case VKI_SYS_SENDMSG: { 580 /* int sendmsg(int s, const struct msghdr *msg, int flags); */ 581 582 /* this causes warnings, and I don't get why. glibc bug? 583 * (after all it's glibc providing the arguments array) 584 PRE_MEM_READ( "socketcall.sendmsg(args)", ARG2, 3*sizeof(Addr) ); 585 */ 586 ML_(generic_PRE_sys_sendmsg)( tid, ARG2_0, ARG2_1 ); 587 break; 588 } 589 590 case VKI_SYS_RECVMSG: { 591 /* int recvmsg(int s, struct msghdr *msg, int flags); */ 592 593 /* this causes warnings, and I don't get why. glibc bug? 594 * (after all it's glibc providing the arguments array) 595 PRE_MEM_READ("socketcall.recvmsg(args)", ARG2, 3*sizeof(Addr) ); 596 */ 597 ML_(generic_PRE_sys_recvmsg)( tid, ARG2_0, ARG2_1 ); 598 break; 599 } 600 601 default: 602 VG_(message)(Vg_DebugMsg,"Warning: unhandled socketcall 0x%lx\n",ARG1); 603 SET_STATUS_Failure( VKI_EINVAL ); 604 break; 605 } 606 # undef ARG2_0 607 # undef ARG2_1 608 # undef ARG2_2 609 # undef ARG2_3 610 # undef ARG2_4 611 # undef ARG2_5 612 } 613 614 POST(sys_socketcall) 615 { 616 # define ARG2_0 (((UWord*)ARG2)[0]) 617 # define ARG2_1 (((UWord*)ARG2)[1]) 618 # define ARG2_2 (((UWord*)ARG2)[2]) 619 # define ARG2_3 (((UWord*)ARG2)[3]) 620 # define ARG2_4 (((UWord*)ARG2)[4]) 621 # define ARG2_5 (((UWord*)ARG2)[5]) 622 623 SysRes r; 624 vg_assert(SUCCESS); 625 switch (ARG1 /* request */) { 626 627 case VKI_SYS_SOCKETPAIR: 628 r = ML_(generic_POST_sys_socketpair)( 629 tid, VG_(mk_SysRes_Success)(RES), 630 ARG2_0, ARG2_1, ARG2_2, ARG2_3 631 ); 632 SET_STATUS_from_SysRes(r); 633 break; 634 635 case VKI_SYS_SOCKET: 636 r = ML_(generic_POST_sys_socket)( tid, VG_(mk_SysRes_Success)(RES) ); 637 SET_STATUS_from_SysRes(r); 638 break; 639 640 case VKI_SYS_BIND: 641 /* int bind(int sockfd, struct sockaddr *my_addr, 642 int addrlen); */ 643 break; 644 645 case VKI_SYS_LISTEN: 646 /* int listen(int s, int backlog); */ 647 break; 648 649 case VKI_SYS_ACCEPT: 650 case VKI_SYS_ACCEPT4: 651 /* int accept(int s, struct sockaddr *addr, int *addrlen); */ 652 /* int accept4(int s, struct sockaddr *addr, int *addrlen, int flags); */ 653 r = ML_(generic_POST_sys_accept)( tid, VG_(mk_SysRes_Success)(RES), 654 ARG2_0, ARG2_1, ARG2_2 ); 655 SET_STATUS_from_SysRes(r); 656 break; 657 658 case VKI_SYS_SENDTO: 659 break; 660 661 case VKI_SYS_SEND: 662 break; 663 664 case VKI_SYS_RECVFROM: 665 ML_(generic_POST_sys_recvfrom)( tid, VG_(mk_SysRes_Success)(RES), 666 ARG2_0, ARG2_1, ARG2_2, 667 ARG2_3, ARG2_4, ARG2_5 ); 668 break; 669 670 case VKI_SYS_RECV: 671 ML_(generic_POST_sys_recv)( tid, RES, ARG2_0, ARG2_1, ARG2_2 ); 672 break; 673 674 case VKI_SYS_CONNECT: 675 break; 676 677 case VKI_SYS_SETSOCKOPT: 678 break; 679 680 case VKI_SYS_GETSOCKOPT: 681 ML_(linux_POST_sys_getsockopt)( tid, VG_(mk_SysRes_Success)(RES), 682 ARG2_0, ARG2_1, 683 ARG2_2, ARG2_3, ARG2_4 ); 684 break; 685 686 case VKI_SYS_GETSOCKNAME: 687 ML_(generic_POST_sys_getsockname)( tid, VG_(mk_SysRes_Success)(RES), 688 ARG2_0, ARG2_1, ARG2_2 ); 689 break; 690 691 case VKI_SYS_GETPEERNAME: 692 ML_(generic_POST_sys_getpeername)( tid, VG_(mk_SysRes_Success)(RES), 693 ARG2_0, ARG2_1, ARG2_2 ); 694 break; 695 696 case VKI_SYS_SHUTDOWN: 697 break; 698 699 case VKI_SYS_SENDMSG: 700 break; 701 702 case VKI_SYS_RECVMSG: 703 ML_(generic_POST_sys_recvmsg)( tid, ARG2_0, ARG2_1 ); 704 break; 705 706 default: 707 VG_(message)(Vg_DebugMsg,"FATAL: unhandled socketcall 0x%lx\n",ARG1); 708 VG_(core_panic)("... bye!\n"); 709 break; /*NOTREACHED*/ 710 } 711 # undef ARG2_0 712 # undef ARG2_1 713 # undef ARG2_2 714 # undef ARG2_3 715 # undef ARG2_4 716 # undef ARG2_5 717 } 718 719 PRE(sys_mmap) 720 { 721 SysRes r; 722 723 PRINT("sys_mmap ( %#lx, %llu, %ld, %ld, %ld, %ld )", 724 ARG1, (ULong)ARG2, ARG3, ARG4, ARG5, ARG6 ); 725 PRE_REG_READ6(long, "mmap", 726 unsigned long, start, unsigned long, length, 727 unsigned long, prot, unsigned long, flags, 728 unsigned long, fd, unsigned long, offset); 729 730 r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5, 731 (Off64T)ARG6 ); 732 SET_STATUS_from_SysRes(r); 733 } 734 735 //zz PRE(sys_mmap2) 736 //zz { 737 //zz SysRes r; 738 //zz 739 //zz // Exactly like old_mmap() except: 740 //zz // - the file offset is specified in 4K units rather than bytes, 741 //zz // so that it can be used for files bigger than 2^32 bytes. 742 //zz PRINT("sys_mmap2 ( %p, %llu, %d, %d, %d, %d )", 743 //zz ARG1, (ULong)ARG2, ARG3, ARG4, ARG5, ARG6 ); 744 //zz PRE_REG_READ6(long, "mmap2", 745 //zz unsigned long, start, unsigned long, length, 746 //zz unsigned long, prot, unsigned long, flags, 747 //zz unsigned long, fd, unsigned long, offset); 748 //zz 749 //zz r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5, 750 //zz 4096 * (Off64T)ARG6 ); 751 //zz SET_STATUS_from_SysRes(r); 752 //zz } 753 //zz 754 //zz // XXX: lstat64/fstat64/stat64 are generic, but not necessarily 755 //zz // applicable to every architecture -- I think only to 32-bit archs. 756 //zz // We're going to need something like linux/core_os32.h for such 757 //zz // things, eventually, I think. --njn 758 //zz PRE(sys_stat64) 759 //zz { 760 //zz PRINT("sys_stat64 ( %p, %p )",ARG1,ARG2); 761 //zz PRE_REG_READ2(long, "stat64", char *, file_name, struct stat64 *, buf); 762 //zz PRE_MEM_RASCIIZ( "stat64(file_name)", ARG1 ); 763 //zz PRE_MEM_WRITE( "stat64(buf)", ARG2, sizeof(struct vki_stat64) ); 764 //zz } 765 //zz 766 //zz POST(sys_stat64) 767 //zz { 768 //zz POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); 769 //zz } 770 //zz 771 //zz PRE(sys_lstat64) 772 //zz { 773 //zz PRINT("sys_lstat64 ( %p(%s), %p )",ARG1,ARG1,ARG2); 774 //zz PRE_REG_READ2(long, "lstat64", char *, file_name, struct stat64 *, buf); 775 //zz PRE_MEM_RASCIIZ( "lstat64(file_name)", ARG1 ); 776 //zz PRE_MEM_WRITE( "lstat64(buf)", ARG2, sizeof(struct vki_stat64) ); 777 //zz } 778 //zz 779 //zz POST(sys_lstat64) 780 //zz { 781 //zz vg_assert(SUCCESS); 782 //zz if (RES == 0) { 783 //zz POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); 784 //zz } 785 //zz } 786 //zz 787 //zz PRE(sys_fstat64) 788 //zz { 789 //zz PRINT("sys_fstat64 ( %d, %p )",ARG1,ARG2); 790 //zz PRE_REG_READ2(long, "fstat64", unsigned long, fd, struct stat64 *, buf); 791 //zz PRE_MEM_WRITE( "fstat64(buf)", ARG2, sizeof(struct vki_stat64) ); 792 //zz } 793 //zz 794 //zz POST(sys_fstat64) 795 //zz { 796 //zz POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); 797 //zz } 798 799 static Addr deref_Addr ( ThreadId tid, Addr a, Char* s ) 800 { 801 Addr* a_p = (Addr*)a; 802 PRE_MEM_READ( s, (Addr)a_p, sizeof(Addr) ); 803 return *a_p; 804 } 805 806 PRE(sys_ipc) 807 { 808 PRINT("sys_ipc ( %ld, %ld, %ld, %ld, %#lx, %ld )", ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); 809 // XXX: this is simplistic -- some args are not used in all circumstances. 810 PRE_REG_READ6(int, "ipc", 811 vki_uint, call, int, first, int, second, int, third, 812 void *, ptr, long, fifth) 813 814 switch (ARG1 /* call */) { 815 case VKI_SEMOP: 816 ML_(generic_PRE_sys_semop)( tid, ARG2, ARG5, ARG3 ); 817 *flags |= SfMayBlock; 818 break; 819 case VKI_SEMGET: 820 break; 821 case VKI_SEMCTL: 822 { 823 UWord arg = deref_Addr( tid, ARG5, "semctl(arg)" ); 824 ML_(generic_PRE_sys_semctl)( tid, ARG2, ARG3, ARG4, arg ); 825 break; 826 } 827 case VKI_SEMTIMEDOP: 828 ML_(generic_PRE_sys_semtimedop)( tid, ARG2, ARG5, ARG3, ARG6 ); 829 *flags |= SfMayBlock; 830 break; 831 case VKI_MSGSND: 832 ML_(linux_PRE_sys_msgsnd)( tid, ARG2, ARG5, ARG3, ARG4 ); 833 if ((ARG4 & VKI_IPC_NOWAIT) == 0) 834 *flags |= SfMayBlock; 835 break; 836 case VKI_MSGRCV: 837 { 838 Addr msgp; 839 Word msgtyp; 840 841 msgp = deref_Addr( tid, 842 (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgp), 843 "msgrcv(msgp)" ); 844 msgtyp = deref_Addr( tid, 845 (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgtyp), 846 "msgrcv(msgp)" ); 847 848 ML_(linux_PRE_sys_msgrcv)( tid, ARG2, msgp, ARG3, msgtyp, ARG4 ); 849 850 if ((ARG4 & VKI_IPC_NOWAIT) == 0) 851 *flags |= SfMayBlock; 852 break; 853 } 854 case VKI_MSGGET: 855 break; 856 case VKI_MSGCTL: 857 ML_(linux_PRE_sys_msgctl)( tid, ARG2, ARG3, ARG5 ); 858 break; 859 case VKI_SHMAT: 860 { 861 UWord w; 862 PRE_MEM_WRITE( "shmat(raddr)", ARG4, sizeof(Addr) ); 863 w = ML_(generic_PRE_sys_shmat)( tid, ARG2, ARG5, ARG3 ); 864 if (w == 0) 865 SET_STATUS_Failure( VKI_EINVAL ); 866 else 867 ARG5 = w; 868 break; 869 } 870 case VKI_SHMDT: 871 if (!ML_(generic_PRE_sys_shmdt)(tid, ARG5)) 872 SET_STATUS_Failure( VKI_EINVAL ); 873 break; 874 case VKI_SHMGET: 875 break; 876 case VKI_SHMCTL: /* IPCOP_shmctl */ 877 ML_(generic_PRE_sys_shmctl)( tid, ARG2, ARG3, ARG5 ); 878 break; 879 default: 880 VG_(message)(Vg_DebugMsg, "FATAL: unhandled syscall(ipc) %ld\n", ARG1 ); 881 VG_(core_panic)("... bye!\n"); 882 break; /*NOTREACHED*/ 883 } 884 } 885 886 POST(sys_ipc) 887 { 888 vg_assert(SUCCESS); 889 switch (ARG1 /* call */) { 890 case VKI_SEMOP: 891 case VKI_SEMGET: 892 break; 893 case VKI_SEMCTL: 894 { 895 UWord arg = deref_Addr( tid, ARG5, "semctl(arg)" ); 896 ML_(generic_PRE_sys_semctl)( tid, ARG2, ARG3, ARG4, arg ); 897 break; 898 } 899 case VKI_SEMTIMEDOP: 900 case VKI_MSGSND: 901 break; 902 case VKI_MSGRCV: 903 { 904 Addr msgp; 905 Word msgtyp; 906 907 msgp = deref_Addr( tid, 908 (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgp), 909 "msgrcv(msgp)" ); 910 msgtyp = deref_Addr( tid, 911 (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgtyp), 912 "msgrcv(msgp)" ); 913 914 ML_(linux_POST_sys_msgrcv)( tid, RES, ARG2, msgp, ARG3, msgtyp, ARG4 ); 915 break; 916 } 917 case VKI_MSGGET: 918 break; 919 case VKI_MSGCTL: 920 ML_(linux_POST_sys_msgctl)( tid, RES, ARG2, ARG3, ARG5 ); 921 break; 922 case VKI_SHMAT: 923 { 924 Addr addr; 925 926 /* force readability. before the syscall it is 927 * indeed uninitialized, as can be seen in 928 * glibc/sysdeps/unix/sysv/linux/shmat.c */ 929 POST_MEM_WRITE( ARG4, sizeof( Addr ) ); 930 931 addr = deref_Addr ( tid, ARG4, "shmat(addr)" ); 932 ML_(generic_POST_sys_shmat)( tid, addr, ARG2, ARG5, ARG3 ); 933 break; 934 } 935 case VKI_SHMDT: 936 ML_(generic_POST_sys_shmdt)( tid, RES, ARG5 ); 937 break; 938 case VKI_SHMGET: 939 break; 940 case VKI_SHMCTL: 941 ML_(generic_POST_sys_shmctl)( tid, RES, ARG2, ARG3, ARG5 ); 942 break; 943 default: 944 VG_(message)(Vg_DebugMsg, 945 "FATAL: unhandled syscall(ipc) %ld\n", 946 ARG1 ); 947 VG_(core_panic)("... bye!\n"); 948 break; /*NOTREACHED*/ 949 } 950 } 951 952 PRE(sys_clone) 953 { 954 UInt cloneflags; 955 956 PRINT("sys_clone ( %lx, %#lx, %#lx, %#lx, %#lx )",ARG1,ARG2,ARG3,ARG4,ARG5); 957 PRE_REG_READ5(int, "clone", 958 unsigned long, flags, 959 void *, child_stack, 960 int *, parent_tidptr, 961 void *, child_tls, 962 int *, child_tidptr); 963 964 if (ARG1 & VKI_CLONE_PARENT_SETTID) { 965 PRE_MEM_WRITE("clone(parent_tidptr)", ARG3, sizeof(Int)); 966 if (!VG_(am_is_valid_for_client)(ARG3, sizeof(Int), 967 VKI_PROT_WRITE)) { 968 SET_STATUS_Failure( VKI_EFAULT ); 969 return; 970 } 971 } 972 if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) { 973 PRE_MEM_WRITE("clone(child_tidptr)", ARG5, sizeof(Int)); 974 if (!VG_(am_is_valid_for_client)(ARG5, sizeof(Int), 975 VKI_PROT_WRITE)) { 976 SET_STATUS_Failure( VKI_EFAULT ); 977 return; 978 } 979 } 980 981 cloneflags = ARG1; 982 983 if (!ML_(client_signal_OK)(ARG1 & VKI_CSIGNAL)) { 984 SET_STATUS_Failure( VKI_EINVAL ); 985 return; 986 } 987 988 /* Only look at the flags we really care about */ 989 switch (cloneflags & (VKI_CLONE_VM | VKI_CLONE_FS 990 | VKI_CLONE_FILES | VKI_CLONE_VFORK)) { 991 case VKI_CLONE_VM | VKI_CLONE_FS | VKI_CLONE_FILES: 992 /* thread creation */ 993 SET_STATUS_from_SysRes( 994 do_clone(tid, 995 ARG1, /* flags */ 996 (Addr)ARG2, /* child SP */ 997 (Int *)ARG3, /* parent_tidptr */ 998 (Int *)ARG5, /* child_tidptr */ 999 (Addr)ARG4)); /* child_tls */ 1000 break; 1001 1002 case VKI_CLONE_VFORK | VKI_CLONE_VM: /* vfork */ 1003 /* FALLTHROUGH - assume vfork == fork */ 1004 cloneflags &= ~(VKI_CLONE_VFORK | VKI_CLONE_VM); 1005 1006 case 0: /* plain fork */ 1007 SET_STATUS_from_SysRes( 1008 ML_(do_fork_clone)(tid, 1009 cloneflags, /* flags */ 1010 (Int *)ARG3, /* parent_tidptr */ 1011 (Int *)ARG5)); /* child_tidptr */ 1012 break; 1013 1014 default: 1015 /* should we just ENOSYS? */ 1016 VG_(message)(Vg_UserMsg, "Unsupported clone() flags: 0x%lx\n", ARG1); 1017 VG_(message)(Vg_UserMsg, "\n"); 1018 VG_(message)(Vg_UserMsg, "The only supported clone() uses are:\n"); 1019 VG_(message)(Vg_UserMsg, " - via a threads library (LinuxThreads or NPTL)\n"); 1020 VG_(message)(Vg_UserMsg, " - via the implementation of fork or vfork\n"); 1021 VG_(unimplemented) 1022 ("Valgrind does not support general clone()."); 1023 } 1024 1025 if (SUCCESS) { 1026 if (ARG1 & VKI_CLONE_PARENT_SETTID) 1027 POST_MEM_WRITE(ARG3, sizeof(Int)); 1028 if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) 1029 POST_MEM_WRITE(ARG5, sizeof(Int)); 1030 1031 /* Thread creation was successful; let the child have the chance 1032 to run */ 1033 *flags |= SfYieldAfter; 1034 } 1035 } 1036 1037 PRE(sys_fadvise64) 1038 { 1039 PRINT("sys_fadvise64 ( %ld, %ld, %lu, %ld )", ARG1,ARG2,ARG3,ARG4); 1040 PRE_REG_READ4(long, "fadvise64", 1041 int, fd, vki_loff_t, offset, vki_size_t, len, int, advice); 1042 } 1043 1044 PRE(sys_rt_sigreturn) 1045 { 1046 /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for 1047 an explanation of what follows. */ 1048 1049 //ThreadState* tst; 1050 PRINT("sys_rt_sigreturn ( )"); 1051 1052 vg_assert(VG_(is_valid_tid)(tid)); 1053 vg_assert(tid >= 1 && tid < VG_N_THREADS); 1054 vg_assert(VG_(is_running_thread)(tid)); 1055 1056 ///* Adjust esp to point to start of frame; skip back up over handler 1057 // ret addr */ 1058 //tst = VG_(get_ThreadState)(tid); 1059 //tst->arch.vex.guest_ESP -= sizeof(Addr); 1060 // Should we do something equivalent on ppc64-linux? Who knows. 1061 1062 ///* This is only so that the EIP is (might be) useful to report if 1063 // something goes wrong in the sigreturn */ 1064 //ML_(fixup_guest_state_to_restart_syscall)(&tst->arch); 1065 // Should we do something equivalent on ppc64? Who knows. 1066 1067 /* Restore register state from frame and remove it */ 1068 VG_(sigframe_destroy)(tid, True); 1069 1070 /* Tell the driver not to update the guest state with the "result", 1071 and set a bogus result to keep it happy. */ 1072 *flags |= SfNoWriteResult; 1073 SET_STATUS_Success(0); 1074 1075 /* Check to see if any signals arose as a result of this. */ 1076 *flags |= SfPollAfter; 1077 } 1078 1079 #undef PRE 1080 #undef POST 1081 1082 /* --------------------------------------------------------------------- 1083 The ppc64/Linux syscall table 1084 ------------------------------------------------------------------ */ 1085 1086 /* Add an ppc64-linux specific wrapper to a syscall table. */ 1087 #define PLAX_(sysno, name) WRAPPER_ENTRY_X_(ppc64_linux, sysno, name) 1088 #define PLAXY(sysno, name) WRAPPER_ENTRY_XY(ppc64_linux, sysno, name) 1089 1090 // This table maps from __NR_xxx syscall numbers (from 1091 // linux/include/asm-ppc/unistd.h) to the appropriate PRE/POST sys_foo() 1092 // wrappers on ppc64 (as per sys_call_table in linux/arch/ppc/kernel/entry.S). 1093 // 1094 // For those syscalls not handled by Valgrind, the annotation indicate its 1095 // arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/? 1096 // (unknown). 1097 1098 static SyscallTableEntry syscall_table[] = { 1099 // _____(__NR_restart_syscall, sys_restart_syscall), // 0 1100 GENX_(__NR_exit, sys_exit), // 1 1101 GENX_(__NR_fork, sys_fork), // 2 1102 GENXY(__NR_read, sys_read), // 3 1103 GENX_(__NR_write, sys_write), // 4 1104 1105 GENXY(__NR_open, sys_open), // 5 1106 GENXY(__NR_close, sys_close), // 6 1107 GENXY(__NR_waitpid, sys_waitpid), // 7 1108 GENXY(__NR_creat, sys_creat), // 8 1109 GENX_(__NR_link, sys_link), // 9 1110 1111 GENX_(__NR_unlink, sys_unlink), // 10 1112 GENX_(__NR_execve, sys_execve), // 11 1113 GENX_(__NR_chdir, sys_chdir), // 12 1114 GENXY(__NR_time, sys_time), // 13 1115 GENX_(__NR_mknod, sys_mknod), // 14 1116 1117 GENX_(__NR_chmod, sys_chmod), // 15 1118 GENX_(__NR_lchown, sys_lchown), // 16 1119 // _____(__NR_break, sys_break), // 17 1120 // _____(__NR_oldstat, sys_oldstat), // 18 1121 LINX_(__NR_lseek, sys_lseek), // 19 1122 1123 GENX_(__NR_getpid, sys_getpid), // 20 1124 LINX_(__NR_mount, sys_mount), // 21 1125 // _____(__NR_umount, sys_umount), // 22 1126 GENX_(__NR_setuid, sys_setuid), // 23 1127 GENX_(__NR_getuid, sys_getuid), // 24 1128 1129 // _____(__NR_stime, sys_stime), // 25 1130 // _____(__NR_ptrace, sys_ptrace), // 26 1131 GENX_(__NR_alarm, sys_alarm), // 27 1132 // _____(__NR_oldfstat, sys_oldfstat), // 28 1133 GENX_(__NR_pause, sys_pause), // 29 1134 1135 LINX_(__NR_utime, sys_utime), // 30 1136 // _____(__NR_stty, sys_stty), // 31 1137 // _____(__NR_gtty, sys_gtty), // 32 1138 GENX_(__NR_access, sys_access), // 33 1139 // _____(__NR_nice, sys_nice), // 34 1140 1141 // _____(__NR_ftime, sys_ftime), // 35 1142 // _____(__NR_sync, sys_sync), // 36 1143 GENX_(__NR_kill, sys_kill), // 37 1144 GENX_(__NR_rename, sys_rename), // 38 1145 GENX_(__NR_mkdir, sys_mkdir), // 39 1146 1147 GENX_(__NR_rmdir, sys_rmdir), // 40 1148 GENXY(__NR_dup, sys_dup), // 41 1149 LINXY(__NR_pipe, sys_pipe), // 42 1150 GENXY(__NR_times, sys_times), // 43 1151 // _____(__NR_prof, sys_prof), // 44 1152 1153 GENX_(__NR_brk, sys_brk), // 45 1154 GENX_(__NR_setgid, sys_setgid), // 46 1155 GENX_(__NR_getgid, sys_getgid), // 47 1156 // _____(__NR_signal, sys_signal), // 48 1157 GENX_(__NR_geteuid, sys_geteuid), // 49 1158 1159 GENX_(__NR_getegid, sys_getegid), // 50 1160 // _____(__NR_acct, sys_acct), // 51 1161 LINX_(__NR_umount2, sys_umount), // 52 1162 // _____(__NR_lock, sys_lock), // 53 1163 LINXY(__NR_ioctl, sys_ioctl), // 54 1164 1165 LINXY(__NR_fcntl, sys_fcntl), // 55 1166 // _____(__NR_mpx, sys_mpx), // 56 1167 GENX_(__NR_setpgid, sys_setpgid), // 57 1168 // _____(__NR_ulimit, sys_ulimit), // 58 1169 // _____(__NR_oldolduname, sys_oldolduname), // 59 1170 1171 GENX_(__NR_umask, sys_umask), // 60 1172 GENX_(__NR_chroot, sys_chroot), // 61 1173 // _____(__NR_ustat, sys_ustat), // 62 1174 GENXY(__NR_dup2, sys_dup2), // 63 1175 GENX_(__NR_getppid, sys_getppid), // 64 1176 1177 GENX_(__NR_getpgrp, sys_getpgrp), // 65 1178 GENX_(__NR_setsid, sys_setsid), // 66 1179 // _____(__NR_sigaction, sys_sigaction), // 67 1180 // _____(__NR_sgetmask, sys_sgetmask), // 68 1181 // _____(__NR_ssetmask, sys_ssetmask), // 69 1182 1183 GENX_(__NR_setreuid, sys_setreuid), // 70 1184 GENX_(__NR_setregid, sys_setregid), // 71 1185 // _____(__NR_sigsuspend, sys_sigsuspend), // 72 1186 // _____(__NR_sigpending, sys_sigpending), // 73 1187 // _____(__NR_sethostname, sys_sethostname), // 74 1188 1189 GENX_(__NR_setrlimit, sys_setrlimit), // 75 1190 // _____(__NR_getrlimit, sys_getrlimit), // 76 1191 GENXY(__NR_getrusage, sys_getrusage), // 77 1192 GENXY(__NR_gettimeofday, sys_gettimeofday), // 78 1193 // _____(__NR_settimeofday, sys_settimeofday), // 79 1194 1195 GENXY(__NR_getgroups, sys_getgroups), // 80 1196 GENX_(__NR_setgroups, sys_setgroups), // 81 1197 // _____(__NR_select, sys_select), // 82 1198 GENX_(__NR_symlink, sys_symlink), // 83 1199 // _____(__NR_oldlstat, sys_oldlstat), // 84 1200 1201 GENX_(__NR_readlink, sys_readlink), // 85 1202 // _____(__NR_uselib, sys_uselib), // 86 1203 // _____(__NR_swapon, sys_swapon), // 87 1204 // _____(__NR_reboot, sys_reboot), // 88 1205 // _____(__NR_readdir, sys_readdir), // 89 1206 1207 PLAX_(__NR_mmap, sys_mmap), // 90 1208 GENXY(__NR_munmap, sys_munmap), // 91 1209 GENX_(__NR_truncate, sys_truncate), // 92 1210 GENX_(__NR_ftruncate, sys_ftruncate), // 93 1211 GENX_(__NR_fchmod, sys_fchmod), // 94 1212 1213 GENX_(__NR_fchown, sys_fchown), // 95 1214 // _____(__NR_getpriority, sys_getpriority), // 96 1215 // _____(__NR_setpriority, sys_setpriority), // 97 1216 // _____(__NR_profil, sys_profil), // 98 1217 GENXY(__NR_statfs, sys_statfs), // 99 1218 1219 GENXY(__NR_fstatfs, sys_fstatfs), // 100 1220 // _____(__NR_ioperm, sys_ioperm), // 101 1221 PLAXY(__NR_socketcall, sys_socketcall), // 102 1222 LINXY(__NR_syslog, sys_syslog), // 103 1223 GENXY(__NR_setitimer, sys_setitimer), // 104 1224 1225 GENXY(__NR_getitimer, sys_getitimer), // 105 1226 GENXY(__NR_stat, sys_newstat), // 106 1227 GENXY(__NR_lstat, sys_newlstat), // 107 1228 GENXY(__NR_fstat, sys_newfstat), // 108 1229 // _____(__NR_olduname, sys_olduname), // 109 1230 1231 // _____(__NR_iopl, sys_iopl), // 110 1232 LINX_(__NR_vhangup, sys_vhangup), // 111 1233 // _____(__NR_idle, sys_idle), // 112 1234 // _____(__NR_vm86, sys_vm86), // 113 1235 GENXY(__NR_wait4, sys_wait4), // 114 1236 1237 // _____(__NR_swapoff, sys_swapoff), // 115 1238 LINXY(__NR_sysinfo, sys_sysinfo), // 116 1239 PLAXY(__NR_ipc, sys_ipc), // 117 1240 GENX_(__NR_fsync, sys_fsync), // 118 1241 // _____(__NR_sigreturn, sys_sigreturn), // 119 1242 1243 PLAX_(__NR_clone, sys_clone), // 120 1244 // _____(__NR_setdomainname, sys_setdomainname), // 121 1245 GENXY(__NR_uname, sys_newuname), // 122 1246 // _____(__NR_modify_ldt, sys_modify_ldt), // 123 1247 LINXY(__NR_adjtimex, sys_adjtimex), // 124 1248 1249 GENXY(__NR_mprotect, sys_mprotect), // 125 1250 // _____(__NR_sigprocmask, sys_sigprocmask), // 126 1251 GENX_(__NR_create_module, sys_ni_syscall), // 127 1252 LINX_(__NR_init_module, sys_init_module), // 128 1253 LINX_(__NR_delete_module, sys_delete_module), // 129 1254 1255 // _____(__NR_get_kernel_syms, sys_get_kernel_syms), // 130 1256 // _____(__NR_quotactl, sys_quotactl), // 131 1257 GENX_(__NR_getpgid, sys_getpgid), // 132 1258 GENX_(__NR_fchdir, sys_fchdir), // 133 1259 // _____(__NR_bdflush, sys_bdflush), // 134 1260 1261 // _____(__NR_sysfs, sys_sysfs), // 135 1262 LINX_(__NR_personality, sys_personality), // 136 1263 // _____(__NR_afs_syscall, sys_afs_syscall), // 137 1264 LINX_(__NR_setfsuid, sys_setfsuid), // 138 1265 LINX_(__NR_setfsgid, sys_setfsgid), // 139 1266 1267 LINXY(__NR__llseek, sys_llseek), // 140 1268 GENXY(__NR_getdents, sys_getdents), // 141 1269 GENX_(__NR__newselect, sys_select), // 142 1270 GENX_(__NR_flock, sys_flock), // 143 1271 GENX_(__NR_msync, sys_msync), // 144 1272 1273 GENXY(__NR_readv, sys_readv), // 145 1274 GENX_(__NR_writev, sys_writev), // 146 1275 // _____(__NR_getsid, sys_getsid), // 147 1276 GENX_(__NR_fdatasync, sys_fdatasync), // 148 1277 LINXY(__NR__sysctl, sys_sysctl), // 149 1278 1279 GENX_(__NR_mlock, sys_mlock), // 150 1280 GENX_(__NR_munlock, sys_munlock), // 151 1281 GENX_(__NR_mlockall, sys_mlockall), // 152 1282 LINX_(__NR_munlockall, sys_munlockall), // 153 1283 LINXY(__NR_sched_setparam, sys_sched_setparam), // 154 1284 1285 LINXY(__NR_sched_getparam, sys_sched_getparam), // 155 1286 LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156 1287 LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157 1288 LINX_(__NR_sched_yield, sys_sched_yield), // 158 1289 LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max),// 159 1290 1291 LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min),// 160 1292 LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 161 1293 GENXY(__NR_nanosleep, sys_nanosleep), // 162 1294 GENX_(__NR_mremap, sys_mremap), // 163 1295 LINX_(__NR_setresuid, sys_setresuid), // 164 1296 1297 LINXY(__NR_getresuid, sys_getresuid), // 165 1298 // _____(__NR_query_module, sys_query_module), // 166 1299 GENXY(__NR_poll, sys_poll), // 167 1300 // _____(__NR_nfsservctl, sys_nfsservctl), // 168 1301 LINX_(__NR_setresgid, sys_setresgid), // 169 1302 1303 LINXY(__NR_getresgid, sys_getresgid), // 170 1304 // _____(__NR_prctl, sys_prctl), // 171 1305 PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 172 1306 LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 173 1307 LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 174 1308 1309 // _____(__NR_rt_sigpending, sys_rt_sigpending), // 175 1310 LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 176 1311 LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 177 1312 // _____(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 178 1313 GENXY(__NR_pread64, sys_pread64), // 179 1314 1315 GENX_(__NR_pwrite64, sys_pwrite64), // 180 1316 GENX_(__NR_chown, sys_chown), // 181 1317 GENXY(__NR_getcwd, sys_getcwd), // 182 1318 LINXY(__NR_capget, sys_capget), // 183 1319 LINX_(__NR_capset, sys_capset), // 184 1320 1321 GENXY(__NR_sigaltstack, sys_sigaltstack), // 185 1322 LINXY(__NR_sendfile, sys_sendfile), // 186 1323 // _____(__NR_getpmsg, sys_getpmsg), // 187 1324 // _____(__NR_putpmsg, sys_putpmsg), // 188 1325 GENX_(__NR_vfork, sys_fork), // 189 treat as fork 1326 1327 GENXY(__NR_ugetrlimit, sys_getrlimit), // 190 1328 LINX_(__NR_readahead, sys_readahead), // 191 1329 // /* #define __NR_mmap2 192 32bit only */ 1330 // /* #define __NR_truncate64 193 32bit only */ 1331 // /* #define __NR_ftruncate64 194 32bit only */ 1332 1333 // /* #define __NR_stat64 195 32bit only */ 1334 // /* #define __NR_lstat64 196 32bit only */ 1335 // /* #define __NR_fstat64 197 32bit only */ 1336 // _____(__NR_pciconfig_read, sys_pciconfig_read), // 198 1337 // _____(__NR_pciconfig_write, sys_pciconfig_write), // 199 1338 1339 // _____(__NR_pciconfig_iobase, sys_pciconfig_iobase), // 200 1340 // _____(__NR_multiplexer, sys_multiplexer), // 201 1341 GENXY(__NR_getdents64, sys_getdents64), // 202 1342 // _____(__NR_pivot_root, sys_pivot_root), // 203 1343 LINXY(__NR_fcntl64, sys_fcntl64), // 204 !!!!?? 32bit only */ 1344 1345 GENX_(__NR_madvise, sys_madvise), // 205 1346 // _____(__NR_mincore, sys_mincore), // 206 1347 LINX_(__NR_gettid, sys_gettid), // 207 1348 // _____(__NR_tkill, sys_tkill), // 208 1349 // _____(__NR_setxattr, sys_setxattr), // 209 1350 1351 // _____(__NR_lsetxattr, sys_lsetxattr), // 210 1352 // _____(__NR_fsetxattr, sys_fsetxattr), // 211 1353 LINXY(__NR_getxattr, sys_getxattr), // 212 1354 LINXY(__NR_lgetxattr, sys_lgetxattr), // 213 1355 LINXY(__NR_fgetxattr, sys_fgetxattr), // 214 1356 LINXY(__NR_listxattr, sys_listxattr), // 215 1357 LINXY(__NR_llistxattr, sys_llistxattr), // 216 1358 LINXY(__NR_flistxattr, sys_flistxattr), // 217 1359 LINX_(__NR_removexattr, sys_removexattr), // 218 1360 LINX_(__NR_lremovexattr, sys_lremovexattr), // 219 1361 LINX_(__NR_fremovexattr, sys_fremovexattr), // 220 1362 1363 LINXY(__NR_futex, sys_futex), // 221 1364 LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 222 1365 LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 223 1366 // /* 224 currently unused */ 1367 1368 // _____(__NR_tuxcall, sys_tuxcall), // 225 1369 // /* #define __NR_sendfile64 226 32bit only */ 1370 LINX_(__NR_io_setup, sys_io_setup), // 227 1371 LINX_(__NR_io_destroy, sys_io_destroy), // 228 1372 LINXY(__NR_io_getevents, sys_io_getevents), // 229 1373 LINX_(__NR_io_submit, sys_io_submit), // 230 1374 LINXY(__NR_io_cancel, sys_io_cancel), // 231 1375 LINX_(__NR_set_tid_address, sys_set_tid_address), // 232 1376 PLAX_(__NR_fadvise64, sys_fadvise64), // 233 1377 LINX_(__NR_exit_group, sys_exit_group), // 234 1378 1379 // _____(__NR_lookup_dcookie, sys_lookup_dcookie), // 235 1380 LINXY(__NR_epoll_create, sys_epoll_create), // 236 1381 LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 237 1382 LINXY(__NR_epoll_wait, sys_epoll_wait), // 238 1383 // _____(__NR_remap_file_pages, sys_remap_file_pages), // 239 1384 1385 LINXY(__NR_timer_create, sys_timer_create), // 240 1386 LINXY(__NR_timer_settime, sys_timer_settime), // 241 1387 LINXY(__NR_timer_gettime, sys_timer_gettime), // 242 1388 LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 243 1389 LINX_(__NR_timer_delete, sys_timer_delete), // 244 1390 LINX_(__NR_clock_settime, sys_clock_settime), // 245 1391 LINXY(__NR_clock_gettime, sys_clock_gettime), // 246 1392 LINXY(__NR_clock_getres, sys_clock_getres), // 247 1393 LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 248 1394 1395 // _____(__NR_swapcontext, sys_swapcontext), // 249 1396 1397 LINXY(__NR_tgkill, sys_tgkill), // 250 1398 // _____(__NR_utimes, sys_utimes), // 251 1399 // _____(__NR_statfs64, sys_statfs64), // 252 1400 // _____(__NR_fstatfs64, sys_fstatfs64), // 253 1401 // /* #define __NR_fadvise64_64 254 32bit only */ 1402 1403 // _____(__NR_rtas, sys_rtas), // 255 1404 // /* Number 256 is reserved for sys_debug_setcontext */ 1405 // /* Number 257 is reserved for vserver */ 1406 // /* 258 currently unused */ 1407 // _____(__NR_mbind, sys_mbind), // 259 1408 1409 // _____(__NR_get_mempolicy, sys_get_mempolicy), // 260 1410 // _____(__NR_set_mempolicy, sys_set_mempolicy), // 261 1411 LINXY(__NR_mq_open, sys_mq_open), // 262 1412 LINX_(__NR_mq_unlink, sys_mq_unlink), // 263 1413 LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 264 1414 1415 LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 265 1416 LINX_(__NR_mq_notify, sys_mq_notify), // 266 1417 LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 267 1418 // _____(__NR_kexec_load, sys_kexec_load), // 268 1419 LINX_(__NR_add_key, sys_add_key), // 269 1420 1421 LINX_(__NR_request_key, sys_request_key), // 270 1422 LINXY(__NR_keyctl, sys_keyctl), // 271 1423 // _____(__NR_waitid, sys_waitid), // 272 1424 LINX_(__NR_ioprio_set, sys_ioprio_set), // 273 1425 LINX_(__NR_ioprio_get, sys_ioprio_get), // 274 1426 1427 LINX_(__NR_inotify_init, sys_inotify_init), // 275 1428 LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 276 1429 LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 277 1430 1431 LINX_(__NR_pselect6, sys_pselect6), // 280 1432 LINXY(__NR_ppoll, sys_ppoll), // 281 1433 1434 LINXY(__NR_openat, sys_openat), // 286 1435 LINX_(__NR_mkdirat, sys_mkdirat), // 287 1436 LINX_(__NR_mknodat, sys_mknodat), // 288 1437 LINX_(__NR_fchownat, sys_fchownat), // 289 1438 LINX_(__NR_futimesat, sys_futimesat), // 290 1439 LINXY(__NR_newfstatat, sys_newfstatat), // 291 1440 LINX_(__NR_unlinkat, sys_unlinkat), // 292 1441 LINX_(__NR_renameat, sys_renameat), // 293 1442 LINX_(__NR_linkat, sys_linkat), // 294 1443 LINX_(__NR_symlinkat, sys_symlinkat), // 295 1444 LINX_(__NR_readlinkat, sys_readlinkat), // 296 1445 LINX_(__NR_fchmodat, sys_fchmodat), // 297 1446 LINX_(__NR_faccessat, sys_faccessat), // 298 1447 LINX_(__NR_set_robust_list, sys_set_robust_list), // 299 1448 LINXY(__NR_get_robust_list, sys_get_robust_list), // 300 1449 // LINX_(__NR_move_pages, sys_ni_syscall), // 301 1450 LINXY(__NR_getcpu, sys_getcpu), // 302 1451 LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 303 1452 LINX_(__NR_utimensat, sys_utimensat), // 304 1453 LINXY(__NR_signalfd, sys_signalfd), // 305 1454 LINXY(__NR_timerfd_create, sys_timerfd_create), // 306 1455 LINX_(__NR_eventfd, sys_eventfd), // 307 1456 LINX_(__NR_sync_file_range2, sys_sync_file_range2), // 308 1457 LINX_(__NR_fallocate, sys_fallocate), // 309 1458 // LINXY(__NR_subpage_prot, sys_ni_syscall), // 310 1459 LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 311 1460 LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 312 1461 LINXY(__NR_signalfd4, sys_signalfd4), // 313 1462 LINX_(__NR_eventfd2, sys_eventfd2), // 314 1463 LINXY(__NR_epoll_create1, sys_epoll_create1), // 315 1464 LINXY(__NR_dup3, sys_dup3), // 316 1465 LINXY(__NR_pipe2, sys_pipe2), // 317 1466 LINXY(__NR_inotify_init1, sys_inotify_init1), // 318 1467 LINXY(__NR_perf_event_open, sys_perf_event_open), // 319 1468 LINXY(__NR_preadv, sys_preadv), // 320 1469 LINX_(__NR_pwritev, sys_pwritev), // 321 1470 LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo) // 322 1471 }; 1472 1473 SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno ) 1474 { 1475 const UInt syscall_table_size 1476 = sizeof(syscall_table) / sizeof(syscall_table[0]); 1477 1478 /* Is it in the contiguous initial section of the table? */ 1479 if (sysno < syscall_table_size) { 1480 SyscallTableEntry* sys = &syscall_table[sysno]; 1481 if (sys->before == NULL) 1482 return NULL; /* no entry */ 1483 else 1484 return sys; 1485 } 1486 1487 /* Can't find a wrapper */ 1488 return NULL; 1489 } 1490 1491 #endif // defined(VGP_ppc64_linux) 1492 1493 /*--------------------------------------------------------------------*/ 1494 /*--- end ---*/ 1495 /*--------------------------------------------------------------------*/ 1496
