1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097
|
/*--------------------------------------------------------------------*/
/*--- Platform-specific syscalls stuff. syswrap-s390x-linux.c ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright IBM Corp. 2010-2015
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
The GNU General Public License is contained in the file COPYING.
*/
/* Contributed by Christian Borntraeger */
#if defined(VGP_s390x_linux)
#include "pub_core_basics.h"
#include "pub_core_vki.h"
#include "pub_core_vkiscnums.h"
#include "pub_core_threadstate.h"
#include "pub_core_aspacemgr.h"
#include "pub_core_debuglog.h"
#include "pub_core_libcbase.h"
#include "pub_core_libcassert.h"
#include "pub_core_libcprint.h"
#include "pub_core_libcproc.h"
#include "pub_core_libcsignal.h"
#include "pub_core_mallocfree.h"
#include "pub_core_options.h"
#include "pub_core_scheduler.h"
#include "pub_core_sigframe.h" // For VG_(sigframe_destroy)()
#include "pub_core_signals.h"
#include "pub_core_syscall.h"
#include "pub_core_syswrap.h"
#include "pub_core_tooliface.h"
#include "priv_types_n_macros.h"
#include "priv_syswrap-generic.h" /* for decls of generic wrappers */
#include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */
#include "priv_syswrap-linux-variants.h" /* decls of linux variant wrappers */
#include "priv_syswrap-main.h"
/* ---------------------------------------------------------------------
clone() handling
------------------------------------------------------------------ */
/* Call f(arg1), but first switch stacks, using 'stack' as the new
stack, and use 'retaddr' as f's return-to address. Also, clear all
the integer registers before entering f.
Thought: Why are we clearing the GPRs ? The callee pointed to by f
is a regular C function which will play by the ABI rules. So there is
no need to zero out the GPRs. If we assumed that f accesses registers at
will, then it would make sense to create a defined register state.
But then, why only for the GPRs and not the FPRs ? */
__attribute__((noreturn))
void ML_(call_on_new_stack_0_1) ( Addr stack,
Addr retaddr,
void (*f)(Word),
Word arg1 );
/* Upon entering this function we have the following setup:
r2 = stack
r3 = retaddr
r4 = f_desc
r5 = arg1
*/
asm(
".text\n"
".align 4\n"
".globl vgModuleLocal_call_on_new_stack_0_1\n"
".type vgModuleLocal_call_on_new_stack_0_1, @function\n"
"vgModuleLocal_call_on_new_stack_0_1:\n"
" lgr %r15,%r2\n" // stack to r15
" lgr %r14,%r3\n" // retaddr to r14
" lgr %r2,%r5\n" // arg1 to r2
// zero all gprs to get a defined state
" lghi %r0,0\n"
" lghi %r1,0\n"
// r2 holds the argument for the callee
" lghi %r3,0\n"
// r4 holds the callee address
" lghi %r5,0\n"
" lghi %r6,0\n"
" lghi %r7,0\n"
" lghi %r8,0\n"
" lghi %r9,0\n"
" lghi %r10,0\n"
" lghi %r11,0\n"
" lghi %r12,0\n"
" lghi %r13,0\n"
// r14 holds the return address for the callee
// r15 is the stack pointer
" br %r4\n" // jump to f
".previous\n"
);
/*
Perform a clone system call. clone is strange because it has
fork()-like return-twice semantics, so it needs special
handling here.
Upon entry, we have:
void* child_stack in r2
long flags in r3
int* parent_tid in r4
int* child_tid in r5
int* tls address in r6
Word (*fn)(void *) 160(r15)
void *arg 168(r15)
System call requires:
void* child_stack in r2 (sc arg1)
long flags in r3 (sc arg2)
int* parent_tid in r4 (sc arg3)
int* child_tid in r5 (sc arg4)
void* tlsaddr in r6 (sc arg5)
Returns a ULong encoded as: top half is %cr following syscall,
low half is syscall return value (r3).
*/
#define __NR_CLONE VG_STRINGIFY(__NR_clone)
#define __NR_EXIT VG_STRINGIFY(__NR_exit)
extern
ULong do_syscall_clone_s390x_linux ( void *stack,
ULong flags,
Int *parent_tid,
Int *child_tid,
Addr tlsaddr,
Word (*fn)(void *),
void *arg);
asm(
" .text\n"
" .align 4\n"
".globl do_syscall_clone_s390x_linux\n"
"do_syscall_clone_s390x_linux:\n"
" lg %r1, 160(%r15)\n" // save fn from parent stack into r1
" lg %r0, 168(%r15)\n" // save arg from parent stack into r0
" aghi %r2, -160\n" // create stack frame for child
// all syscall parameters are already in place (r2-r6)
" svc " __NR_CLONE"\n" // clone()
" ltgr %r2,%r2\n" // child if retval == 0
" jne 1f\n"
// CHILD - call thread function
" lgr %r2, %r0\n" // get arg from r0
" basr %r14,%r1\n" // call fn
// exit. The result is already in r2
" svc " __NR_EXIT"\n"
// Exit returned?!
" j +2\n"
"1:\n" // PARENT or ERROR
" br %r14\n"
".previous\n"
);
#undef __NR_CLONE
#undef __NR_EXIT
void VG_(cleanup_thread) ( ThreadArchState* arch )
{
/* only used on x86 for descriptor tables */
}
static void setup_child ( /*OUT*/ ThreadArchState *child,
/*IN*/ ThreadArchState *parent )
{
/* We inherit our parent's guest state. */
child->vex = parent->vex;
child->vex_shadow1 = parent->vex_shadow1;
child->vex_shadow2 = parent->vex_shadow2;
}
/*
When a client clones, we need to keep track of the new thread. This means:
1. allocate a ThreadId+ThreadState+stack for the thread
2. initialize the thread's new VCPU state
3. create the thread using the same args as the client requested,
but using the scheduler entrypoint for IP, and a separate stack
for SP.
*/
static SysRes do_clone ( ThreadId ptid,
Addr sp, ULong flags,
Int *parent_tidptr,
Int *child_tidptr,
Addr tlsaddr)
{
static const Bool debug = False;
ThreadId ctid = VG_(alloc_ThreadState)();
ThreadState* ptst = VG_(get_ThreadState)(ptid);
ThreadState* ctst = VG_(get_ThreadState)(ctid);
UWord* stack;
SysRes res;
ULong r2;
vki_sigset_t blockall, savedmask;
VG_(sigfillset)(&blockall);
vg_assert(VG_(is_running_thread)(ptid));
vg_assert(VG_(is_valid_tid)(ctid));
stack = (UWord*)ML_(allocstack)(ctid);
if (stack == NULL) {
res = VG_(mk_SysRes_Error)( VKI_ENOMEM );
goto out;
}
/* Copy register state
Both parent and child return to the same place, and the code
following the clone syscall works out which is which, so we
don't need to worry about it.
The parent gets the child's new tid returned from clone, but the
child gets 0.
If the clone call specifies a NULL sp for the new thread, then
it actually gets a copy of the parent's sp.
*/
setup_child( &ctst->arch, &ptst->arch );
/* Make sys_clone appear to have returned Success(0) in the
child. */
ctst->arch.vex.guest_r2 = 0;
if (sp != 0)
ctst->arch.vex.guest_SP = sp;
ctst->os_state.parent = ptid;
/* inherit signal mask */
ctst->sig_mask = ptst->sig_mask;
ctst->tmp_sig_mask = ptst->sig_mask;
/* have the parents thread group */
ctst->os_state.threadgroup = ptst->os_state.threadgroup;
ML_(guess_and_register_stack) (sp, ctst);
/* Assume the clone will succeed, and tell any tool that wants to
know that this thread has come into existence. If the clone
fails, we'll send out a ll_exit notification for it at the out:
label below, to clean up. */
vg_assert(VG_(owns_BigLock_LL)(ptid));
VG_TRACK ( pre_thread_ll_create, ptid, ctid );
if (flags & VKI_CLONE_SETTLS) {
if (debug)
VG_(printf)("clone child has SETTLS: tls at %#lx\n", tlsaddr);
ctst->arch.vex.guest_a0 = (UInt) (tlsaddr >> 32);
ctst->arch.vex.guest_a1 = (UInt) tlsaddr;
}
flags &= ~VKI_CLONE_SETTLS;
/* start the thread with everything blocked */
VG_(sigprocmask)(VKI_SIG_SETMASK, &blockall, &savedmask);
/* Create the new thread */
r2 = do_syscall_clone_s390x_linux(
stack, flags, parent_tidptr, child_tidptr, tlsaddr,
ML_(start_thread_NORETURN), &VG_(threads)[ctid]);
res = VG_(mk_SysRes_s390x_linux)( r2 );
VG_(sigprocmask)(VKI_SIG_SETMASK, &savedmask, NULL);
out:
if (sr_isError(res)) {
/* clone failed */
ctst->status = VgTs_Empty;
/* oops. Better tell the tool the thread exited in a hurry :-) */
VG_TRACK( pre_thread_ll_exit, ctid );
}
return res;
}
/* ---------------------------------------------------------------------
PRE/POST wrappers for s390x/Linux-specific syscalls
------------------------------------------------------------------ */
#define PRE(name) DEFN_PRE_TEMPLATE(s390x_linux, name)
#define POST(name) DEFN_POST_TEMPLATE(s390x_linux, name)
/* Add prototypes for the wrappers declared here, so that gcc doesn't
harass us for not having prototypes. Really this is a kludge --
the right thing to do is to make these wrappers 'static' since they
aren't visible outside this file, but that requires even more macro
magic. */
DECL_TEMPLATE(s390x_linux, sys_ptrace);
DECL_TEMPLATE(s390x_linux, sys_mmap);
DECL_TEMPLATE(s390x_linux, sys_clone);
DECL_TEMPLATE(s390x_linux, sys_sigreturn);
DECL_TEMPLATE(s390x_linux, sys_rt_sigreturn);
DECL_TEMPLATE(s390x_linux, sys_fadvise64);
/* PEEK TEXT,DATA and USER are common to all architectures.
PEEKUSR_AREA and POKEUSR_AREA are special, having a memory area
containing the real addr, data, and len field pointed to by ARG3
instead of ARG4.
GETREGSET and SETREGSET use a struct iovec (pointed to by ARG4) for
the address and size of the user buffer. */
PRE(sys_ptrace)
{
PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", SARG1, SARG2, ARG3, ARG4);
PRE_REG_READ4(int, "ptrace",
long, request, long, pid, unsigned long, addr,
unsigned long, data);
switch (ARG1) {
case VKI_PTRACE_PEEKTEXT:
case VKI_PTRACE_PEEKDATA:
case VKI_PTRACE_PEEKUSR:
PRE_MEM_WRITE( "ptrace(peek)", ARG4,
sizeof (long));
break;
case VKI_PTRACE_GETEVENTMSG:
PRE_MEM_WRITE( "ptrace(geteventmsg)", ARG4, sizeof(unsigned long));
break;
case VKI_PTRACE_GETSIGINFO:
PRE_MEM_WRITE( "ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t));
break;
case VKI_PTRACE_SETSIGINFO:
PRE_MEM_READ( "ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t));
break;
case VKI_PTRACE_PEEKUSR_AREA:
{
vki_ptrace_area *pa;
/* Reads a part of the user area into memory at pa->process_addr */
pa = (vki_ptrace_area *) ARG3;
PRE_MEM_READ("ptrace(peekusrarea ptrace_area->len)",
(unsigned long) &pa->vki_len, sizeof(pa->vki_len));
PRE_MEM_READ("ptrace(peekusrarea ptrace_area->kernel_addr)",
(unsigned long) &pa->vki_kernel_addr, sizeof(pa->vki_kernel_addr));
PRE_MEM_READ("ptrace(peekusrarea ptrace_area->process_addr)",
(unsigned long) &pa->vki_process_addr, sizeof(pa->vki_process_addr));
PRE_MEM_WRITE("ptrace(peekusrarea *(ptrace_area->process_addr))",
pa->vki_process_addr, pa->vki_len);
break;
}
case VKI_PTRACE_POKEUSR_AREA:
{
vki_ptrace_area *pa;
/* Updates a part of the user area from memory at pa->process_addr */
pa = (vki_ptrace_area *) ARG3;
PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->len)",
(unsigned long) &pa->vki_len, sizeof(pa->vki_len));
PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->kernel_addr)",
(unsigned long) &pa->vki_kernel_addr,
sizeof(pa->vki_kernel_addr));
PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->process_addr)",
(unsigned long) &pa->vki_process_addr,
sizeof(pa->vki_process_addr));
PRE_MEM_READ("ptrace(pokeusrarea *(ptrace_area->process_addr))",
pa->vki_process_addr, pa->vki_len);
break;
}
case VKI_PTRACE_GETREGSET:
ML_(linux_PRE_getregset)(tid, ARG3, ARG4);
break;
case VKI_PTRACE_SETREGSET:
ML_(linux_PRE_setregset)(tid, ARG3, ARG4);
break;
default:
break;
}
}
POST(sys_ptrace)
{
switch (ARG1) {
case VKI_PTRACE_PEEKTEXT:
case VKI_PTRACE_PEEKDATA:
case VKI_PTRACE_PEEKUSR:
POST_MEM_WRITE( ARG4, sizeof (long));
break;
case VKI_PTRACE_GETEVENTMSG:
POST_MEM_WRITE( ARG4, sizeof(unsigned long));
break;
case VKI_PTRACE_GETSIGINFO:
/* XXX: This is a simplification. Different parts of the
* siginfo_t are valid depending on the type of signal.
*/
POST_MEM_WRITE( ARG4, sizeof(vki_siginfo_t));
break;
case VKI_PTRACE_PEEKUSR_AREA:
{
vki_ptrace_area *pa;
pa = (vki_ptrace_area *) ARG3;
POST_MEM_WRITE(pa->vki_process_addr, pa->vki_len);
break;
}
case VKI_PTRACE_GETREGSET:
ML_(linux_POST_getregset)(tid, ARG3, ARG4);
break;
default:
break;
}
}
PRE(sys_mmap)
{
UWord a0, a1, a2, a3, a4, a5;
SysRes r;
UWord* args = (UWord*)ARG1;
PRE_REG_READ1(long, "sys_mmap", struct mmap_arg_struct *, args);
PRE_MEM_READ( "sys_mmap(args)", (Addr) args, 6*sizeof(UWord) );
a0 = args[0];
a1 = args[1];
a2 = args[2];
a3 = args[3];
a4 = args[4];
a5 = args[5];
PRINT("sys_mmap ( %#lx, %lu, %ld, %ld, %ld, %ld )",
a0, a1, (Word)a2, (Word)a3, (Word)a4, (Word)a5 );
r = ML_(generic_PRE_sys_mmap)( tid, a0, a1, a2, a3, a4, (Off64T)a5 );
SET_STATUS_from_SysRes(r);
}
PRE(sys_clone)
{
UInt cloneflags;
PRINT("sys_clone ( %lx, %#lx, %#lx, %#lx, %#lx )",ARG1,ARG2,ARG3,ARG4, ARG5);
PRE_REG_READ2(int, "clone",
void *, child_stack,
unsigned long, flags);
if (ARG2 & VKI_CLONE_PARENT_SETTID) {
if (VG_(tdict).track_pre_reg_read)
PRA3("clone(parent_tidptr)", int *, parent_tidptr);
PRE_MEM_WRITE("clone(parent_tidptr)", ARG3, sizeof(Int));
if (!VG_(am_is_valid_for_client)(ARG3, sizeof(Int),
VKI_PROT_WRITE)) {
SET_STATUS_Failure( VKI_EFAULT );
return;
}
}
if (ARG2 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) {
if (VG_(tdict).track_pre_reg_read)
PRA4("clone(child_tidptr)", int *, child_tidptr);
PRE_MEM_WRITE("clone(child_tidptr)", ARG4, sizeof(Int));
if (!VG_(am_is_valid_for_client)(ARG4, sizeof(Int),
VKI_PROT_WRITE)) {
SET_STATUS_Failure( VKI_EFAULT );
return;
}
}
/* The kernel simply copies reg6 (ARG5) into AR0 and AR1, no checks */
if (ARG2 & VKI_CLONE_SETTLS) {
if (VG_(tdict).track_pre_reg_read) {
PRA5("clone", Addr, tlsinfo);
}
}
cloneflags = ARG2;
if (!ML_(client_signal_OK)(ARG2 & VKI_CSIGNAL)) {
SET_STATUS_Failure( VKI_EINVAL );
return;
}
/* Only look at the flags we really care about */
switch (cloneflags & (VKI_CLONE_VM | VKI_CLONE_FS
| VKI_CLONE_FILES | VKI_CLONE_VFORK)) {
case VKI_CLONE_VM | VKI_CLONE_FS | VKI_CLONE_FILES:
/* thread creation */
SET_STATUS_from_SysRes(
do_clone(tid,
(Addr)ARG1, /* child SP */
ARG2, /* flags */
(Int *)ARG3, /* parent_tidptr */
(Int *)ARG4, /* child_tidptr */
(Addr)ARG5)); /* tlsaddr */
break;
case VKI_CLONE_VFORK | VKI_CLONE_VM: /* vfork */
/* FALLTHROUGH - assume vfork == fork */
cloneflags &= ~(VKI_CLONE_VFORK | VKI_CLONE_VM);
case 0: /* plain fork */
SET_STATUS_from_SysRes(
ML_(do_fork_clone)(tid,
cloneflags, /* flags */
(Int *)ARG3, /* parent_tidptr */
(Int *)ARG4)); /* child_tidptr */
break;
default:
/* should we just ENOSYS? */
VG_(message)(Vg_UserMsg, "Unsupported clone() flags: 0x%lx\n", ARG2);
VG_(message)(Vg_UserMsg, "\n");
VG_(message)(Vg_UserMsg, "The only supported clone() uses are:\n");
VG_(message)(Vg_UserMsg, " - via a threads library (NPTL)\n");
VG_(message)(Vg_UserMsg, " - via the implementation of fork or vfork\n");
VG_(unimplemented)
("Valgrind does not support general clone().");
}
if (SUCCESS) {
if (ARG2 & VKI_CLONE_PARENT_SETTID)
POST_MEM_WRITE(ARG3, sizeof(Int));
if (ARG2 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID))
POST_MEM_WRITE(ARG4, sizeof(Int));
/* Thread creation was successful; let the child have the chance
to run */
*flags |= SfYieldAfter;
}
}
PRE(sys_sigreturn)
{
ThreadState* tst;
PRINT("sys_sigreturn ( )");
vg_assert(VG_(is_valid_tid)(tid));
vg_assert(tid >= 1 && tid < VG_N_THREADS);
vg_assert(VG_(is_running_thread)(tid));
tst = VG_(get_ThreadState)(tid);
/* This is only so that the IA is (might be) useful to report if
something goes wrong in the sigreturn */
ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
/* Restore register state from frame and remove it */
VG_(sigframe_destroy)(tid, False);
/* Tell the driver not to update the guest state with the "result",
and set a bogus result to keep it happy. */
*flags |= SfNoWriteResult;
SET_STATUS_Success(0);
/* Check to see if any signals arose as a result of this. */
*flags |= SfPollAfter;
}
PRE(sys_rt_sigreturn)
{
/* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for
an explanation of what follows. */
ThreadState* tst;
PRINT("sys_rt_sigreturn ( )");
vg_assert(VG_(is_valid_tid)(tid));
vg_assert(tid >= 1 && tid < VG_N_THREADS);
vg_assert(VG_(is_running_thread)(tid));
tst = VG_(get_ThreadState)(tid);
/* This is only so that the IA is (might be) useful to report if
something goes wrong in the sigreturn */
ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
/* Restore register state from frame and remove it */
VG_(sigframe_destroy)(tid, True);
/* Tell the driver not to update the guest state with the "result",
and set a bogus result to keep it happy. */
*flags |= SfNoWriteResult;
SET_STATUS_Success(0);
/* Check to see if any signals arose as a result of this. */
*flags |= SfPollAfter;
}
/* we cant use the LINX_ version for 64 bit */
PRE(sys_fadvise64)
{
PRINT("sys_fadvise64 ( %ld, %ld, %ld, %ld )", SARG1, SARG2, SARG3, SARG4);
PRE_REG_READ4(long, "fadvise64",
int, fd, vki_loff_t, offset, vki_loff_t, len, int, advice);
}
#undef PRE
#undef POST
/* ---------------------------------------------------------------------
The s390x/Linux syscall table
------------------------------------------------------------------ */
/* Add an s390x-linux specific wrapper to a syscall table. */
#define PLAX_(sysno, name) WRAPPER_ENTRY_X_(s390x_linux, sysno, name)
#define PLAXY(sysno, name) WRAPPER_ENTRY_XY(s390x_linux, sysno, name)
// This table maps from __NR_xxx syscall numbers from
// linux/arch/s390/kernel/syscalls.S to the appropriate PRE/POST sys_foo()
// wrappers on s390x. There are several unused numbers, which are only
// defined on s390 (31bit mode) but no longer available on s390x (64 bit).
// For those syscalls not handled by Valgrind, the annotation indicate its
// arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/?
// (unknown).
static SyscallTableEntry syscall_table[] = {
GENX_(0, sys_ni_syscall), /* unimplemented (by the kernel) */ // 0
GENX_(__NR_exit, sys_exit), // 1
GENX_(__NR_fork, sys_fork), // 2
GENXY(__NR_read, sys_read), // 3
GENX_(__NR_write, sys_write), // 4
GENXY(__NR_open, sys_open), // 5
GENXY(__NR_close, sys_close), // 6
// ?????(__NR_restart_syscall, ), // 7
GENXY(__NR_creat, sys_creat), // 8
GENX_(__NR_link, sys_link), // 9
GENX_(__NR_unlink, sys_unlink), // 10
GENX_(__NR_execve, sys_execve), // 11
GENX_(__NR_chdir, sys_chdir), // 12
GENX_(13, sys_ni_syscall), /* unimplemented (by the kernel) */ // 13
GENX_(__NR_mknod, sys_mknod), // 14
GENX_(__NR_chmod, sys_chmod), // 15
GENX_(16, sys_ni_syscall), /* unimplemented (by the kernel) */ // 16
GENX_(17, sys_ni_syscall), /* unimplemented (by the kernel) */ // 17
GENX_(18, sys_ni_syscall), /* unimplemented (by the kernel) */ // 18
LINX_(__NR_lseek, sys_lseek), // 19
GENX_(__NR_getpid, sys_getpid), // 20
LINX_(__NR_mount, sys_mount), // 21
LINX_(__NR_umount, sys_oldumount), // 22
GENX_(23, sys_ni_syscall), /* unimplemented (by the kernel) */ // 23
GENX_(24, sys_ni_syscall), /* unimplemented (by the kernel) */ // 24
GENX_(25, sys_ni_syscall), /* unimplemented (by the kernel) */ // 25
PLAXY(__NR_ptrace, sys_ptrace), // 26
GENX_(__NR_alarm, sys_alarm), // 27
GENX_(28, sys_ni_syscall), /* unimplemented (by the kernel) */ // 28
GENX_(__NR_pause, sys_pause), // 29
LINX_(__NR_utime, sys_utime), // 30
GENX_(31, sys_ni_syscall), /* unimplemented (by the kernel) */ // 31
GENX_(32, sys_ni_syscall), /* unimplemented (by the kernel) */ // 32
GENX_(__NR_access, sys_access), // 33
GENX_(__NR_nice, sys_nice), // 34
GENX_(35, sys_ni_syscall), /* unimplemented (by the kernel) */ // 35
GENX_(__NR_sync, sys_sync), // 36
GENX_(__NR_kill, sys_kill), // 37
GENX_(__NR_rename, sys_rename), // 38
GENX_(__NR_mkdir, sys_mkdir), // 39
GENX_(__NR_rmdir, sys_rmdir), // 40
GENXY(__NR_dup, sys_dup), // 41
LINXY(__NR_pipe, sys_pipe), // 42
GENXY(__NR_times, sys_times), // 43
GENX_(44, sys_ni_syscall), /* unimplemented (by the kernel) */ // 44
GENX_(__NR_brk, sys_brk), // 45
GENX_(46, sys_ni_syscall), /* unimplemented (by the kernel) */ // 46
GENX_(47, sys_ni_syscall), /* unimplemented (by the kernel) */ // 47
// ?????(__NR_signal, ), // 48
GENX_(49, sys_ni_syscall), /* unimplemented (by the kernel) */ // 49
GENX_(50, sys_ni_syscall), /* unimplemented (by the kernel) */ // 50
GENX_(__NR_acct, sys_acct), // 51
LINX_(__NR_umount2, sys_umount), // 52
GENX_(53, sys_ni_syscall), /* unimplemented (by the kernel) */ // 53
LINXY(__NR_ioctl, sys_ioctl), // 54
LINXY(__NR_fcntl, sys_fcntl), // 55
GENX_(56, sys_ni_syscall), /* unimplemented (by the kernel) */ // 56
GENX_(__NR_setpgid, sys_setpgid), // 57
GENX_(58, sys_ni_syscall), /* unimplemented (by the kernel) */ // 58
GENX_(59, sys_ni_syscall), /* unimplemented (by the kernel) */ // 59
GENX_(__NR_umask, sys_umask), // 60
GENX_(__NR_chroot, sys_chroot), // 61
// ?????(__NR_ustat, sys_ustat), /* deprecated in favor of statfs */ // 62
GENXY(__NR_dup2, sys_dup2), // 63
GENX_(__NR_getppid, sys_getppid), // 64
GENX_(__NR_getpgrp, sys_getpgrp), // 65
GENX_(__NR_setsid, sys_setsid), // 66
// ?????(__NR_sigaction, ), /* userspace uses rt_sigaction */ // 67
GENX_(68, sys_ni_syscall), /* unimplemented (by the kernel) */ // 68
GENX_(69, sys_ni_syscall), /* unimplemented (by the kernel) */ // 69
GENX_(70, sys_ni_syscall), /* unimplemented (by the kernel) */ // 70
GENX_(71, sys_ni_syscall), /* unimplemented (by the kernel) */ // 71
// ?????(__NR_sigsuspend, ), // 72
// ?????(__NR_sigpending, ), // 73
// ?????(__NR_sethostname, ), // 74
GENX_(__NR_setrlimit, sys_setrlimit), // 75
GENXY(76, sys_getrlimit), /* see also 191 */ // 76
GENXY(__NR_getrusage, sys_getrusage), // 77
GENXY(__NR_gettimeofday, sys_gettimeofday), // 78
GENX_(__NR_settimeofday, sys_settimeofday), // 79
GENX_(80, sys_ni_syscall), /* unimplemented (by the kernel) */ // 80
GENX_(81, sys_ni_syscall), /* unimplemented (by the kernel) */ // 81
GENX_(82, sys_ni_syscall), /* unimplemented (by the kernel) */ // 82
GENX_(__NR_symlink, sys_symlink), // 83
GENX_(84, sys_ni_syscall), /* unimplemented (by the kernel) */ // 84
GENX_(__NR_readlink, sys_readlink), // 85
// ?????(__NR_uselib, ), // 86
// ?????(__NR_swapon, ), // 87
// ?????(__NR_reboot, ), // 88
GENX_(89, sys_ni_syscall), /* unimplemented (by the kernel) */ // 89
PLAX_(__NR_mmap, sys_mmap ), // 90
GENXY(__NR_munmap, sys_munmap), // 91
GENX_(__NR_truncate, sys_truncate), // 92
GENX_(__NR_ftruncate, sys_ftruncate), // 93
GENX_(__NR_fchmod, sys_fchmod), // 94
GENX_(95, sys_ni_syscall), /* unimplemented (by the kernel) */ // 95
GENX_(__NR_getpriority, sys_getpriority), // 96
GENX_(__NR_setpriority, sys_setpriority), // 97
GENX_(98, sys_ni_syscall), /* unimplemented (by the kernel) */ // 98
GENXY(__NR_statfs, sys_statfs), // 99
GENXY(__NR_fstatfs, sys_fstatfs), // 100
GENX_(101, sys_ni_syscall), /* unimplemented (by the kernel) */ // 101
LINXY(__NR_socketcall, sys_socketcall), // 102
LINXY(__NR_syslog, sys_syslog), // 103
GENXY(__NR_setitimer, sys_setitimer), // 104
GENXY(__NR_getitimer, sys_getitimer), // 105
GENXY(__NR_stat, sys_newstat), // 106
GENXY(__NR_lstat, sys_newlstat), // 107
GENXY(__NR_fstat, sys_newfstat), // 108
GENX_(109, sys_ni_syscall), /* unimplemented (by the kernel) */ // 109
LINXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 110
LINX_(__NR_vhangup, sys_vhangup), // 111
GENX_(112, sys_ni_syscall), /* unimplemented (by the kernel) */ // 112
GENX_(113, sys_ni_syscall), /* unimplemented (by the kernel) */ // 113
GENXY(__NR_wait4, sys_wait4), // 114
// ?????(__NR_swapoff, ), // 115
LINXY(__NR_sysinfo, sys_sysinfo), // 116
LINXY(__NR_ipc, sys_ipc), // 117
GENX_(__NR_fsync, sys_fsync), // 118
PLAX_(__NR_sigreturn, sys_sigreturn), // 119
PLAX_(__NR_clone, sys_clone), // 120
// ?????(__NR_setdomainname, ), // 121
GENXY(__NR_uname, sys_newuname), // 122
GENX_(123, sys_ni_syscall), /* unimplemented (by the kernel) */ // 123
// ?????(__NR_adjtimex, ), // 124
GENXY(__NR_mprotect, sys_mprotect), // 125
// LINXY(__NR_sigprocmask, sys_sigprocmask), // 126
GENX_(127, sys_ni_syscall), /* unimplemented (by the kernel) */ // 127
LINX_(__NR_init_module, sys_init_module), // 128
LINX_(__NR_delete_module, sys_delete_module), // 129
GENX_(130, sys_ni_syscall), /* unimplemented (by the kernel) */ // 130
LINX_(__NR_quotactl, sys_quotactl), // 131
GENX_(__NR_getpgid, sys_getpgid), // 132
GENX_(__NR_fchdir, sys_fchdir), // 133
// ?????(__NR_bdflush, ), // 134
// ?????(__NR_sysfs, ), // 135
LINX_(__NR_personality, sys_personality), // 136
GENX_(137, sys_ni_syscall), /* unimplemented (by the kernel) */ // 137
GENX_(138, sys_ni_syscall), /* unimplemented (by the kernel) */ // 138
GENX_(139, sys_ni_syscall), /* unimplemented (by the kernel) */ // 139
// LINXY(__NR__llseek, sys_llseek), /* 64 bit --> lseek */ // 140
GENXY(__NR_getdents, sys_getdents), // 141
GENX_(__NR_select, sys_select), // 142
GENX_(__NR_flock, sys_flock), // 143
GENX_(__NR_msync, sys_msync), // 144
GENXY(__NR_readv, sys_readv), // 145
GENX_(__NR_writev, sys_writev), // 146
GENX_(__NR_getsid, sys_getsid), // 147
GENX_(__NR_fdatasync, sys_fdatasync), // 148
LINXY(__NR__sysctl, sys_sysctl), // 149
GENX_(__NR_mlock, sys_mlock), // 150
GENX_(__NR_munlock, sys_munlock), // 151
GENX_(__NR_mlockall, sys_mlockall), // 152
LINX_(__NR_munlockall, sys_munlockall), // 153
LINXY(__NR_sched_setparam, sys_sched_setparam), // 154
LINXY(__NR_sched_getparam, sys_sched_getparam), // 155
LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156
LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157
LINX_(__NR_sched_yield, sys_sched_yield), // 158
LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max), // 159
LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min), // 160
LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 162
GENXY(__NR_nanosleep, sys_nanosleep), // 162
GENX_(__NR_mremap, sys_mremap), // 163
GENX_(164, sys_ni_syscall), /* unimplemented (by the kernel) */ // 164
GENX_(165, sys_ni_syscall), /* unimplemented (by the kernel) */ // 165
GENX_(166, sys_ni_syscall), /* unimplemented (by the kernel) */ // 166
GENX_(167, sys_ni_syscall), /* unimplemented (by the kernel) */ // 167
GENXY(__NR_poll, sys_poll), // 168
// ?????(__NR_nfsservctl, ), // 169
GENX_(170, sys_ni_syscall), /* unimplemented (by the kernel) */ // 170
GENX_(171, sys_ni_syscall), /* unimplemented (by the kernel) */ // 171
LINXY(__NR_prctl, sys_prctl), // 172
PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 173
LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 174
LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 175
LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 176
LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 177
LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 178
LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 179
GENXY(__NR_pread64, sys_pread64), // 180
GENX_(__NR_pwrite64, sys_pwrite64), // 181
GENX_(182, sys_ni_syscall), /* unimplemented (by the kernel) */ // 182
GENXY(__NR_getcwd, sys_getcwd), // 183
LINXY(__NR_capget, sys_capget), // 184
LINX_(__NR_capset, sys_capset), // 185
GENXY(__NR_sigaltstack, sys_sigaltstack), // 186
LINXY(__NR_sendfile, sys_sendfile), // 187
GENX_(188, sys_ni_syscall), /* unimplemented (by the kernel) */ // 188
GENX_(189, sys_ni_syscall), /* unimplemented (by the kernel) */ // 189
GENX_(__NR_vfork, sys_fork), // 190
GENXY(__NR_getrlimit, sys_getrlimit), // 191
GENX_(192, sys_ni_syscall), /* not exported on 64bit*/ // 192
GENX_(193, sys_ni_syscall), /* unimplemented (by the kernel) */ // 193
GENX_(194, sys_ni_syscall), /* unimplemented (by the kernel) */ // 194
GENX_(195, sys_ni_syscall), /* unimplemented (by the kernel) */ // 195
GENX_(196, sys_ni_syscall), /* unimplemented (by the kernel) */ // 196
GENX_(197, sys_ni_syscall), /* unimplemented (by the kernel) */ // 197
GENX_(__NR_lchown, sys_lchown), // 198
GENX_(__NR_getuid, sys_getuid), // 199
GENX_(__NR_getgid, sys_getgid), // 200
GENX_(__NR_geteuid, sys_geteuid), // 201
GENX_(__NR_getegid, sys_getegid), // 202
GENX_(__NR_setreuid, sys_setreuid), // 203
GENX_(__NR_setregid, sys_setregid), // 204
GENXY(__NR_getgroups, sys_getgroups), // 205
GENX_(__NR_setgroups, sys_setgroups), // 206
GENX_(__NR_fchown, sys_fchown), // 207
LINX_(__NR_setresuid, sys_setresuid), // 208
LINXY(__NR_getresuid, sys_getresuid), // 209
LINX_(__NR_setresgid, sys_setresgid), // 210
LINXY(__NR_getresgid, sys_getresgid), // 211
GENX_(__NR_chown, sys_chown), // 212
GENX_(__NR_setuid, sys_setuid), // 213
GENX_(__NR_setgid, sys_setgid), // 214
LINX_(__NR_setfsuid, sys_setfsuid), // 215
LINX_(__NR_setfsgid, sys_setfsgid), // 216
LINX_(__NR_pivot_root, sys_pivot_root), // 217
GENXY(__NR_mincore, sys_mincore), // 218
GENX_(__NR_madvise, sys_madvise), // 219
GENXY(__NR_getdents64, sys_getdents64), // 220
GENX_(221, sys_ni_syscall), /* unimplemented (by the kernel) */ // 221
LINX_(__NR_readahead, sys_readahead), // 222
GENX_(223, sys_ni_syscall), /* unimplemented (by the kernel) */ // 223
LINX_(__NR_setxattr, sys_setxattr), // 224
LINX_(__NR_lsetxattr, sys_lsetxattr), // 225
LINX_(__NR_fsetxattr, sys_fsetxattr), // 226
LINXY(__NR_getxattr, sys_getxattr), // 227
LINXY(__NR_lgetxattr, sys_lgetxattr), // 228
LINXY(__NR_fgetxattr, sys_fgetxattr), // 229
LINXY(__NR_listxattr, sys_listxattr), // 230
LINXY(__NR_llistxattr, sys_llistxattr), // 231
LINXY(__NR_flistxattr, sys_flistxattr), // 232
LINX_(__NR_removexattr, sys_removexattr), // 233
LINX_(__NR_lremovexattr, sys_lremovexattr), // 234
LINX_(__NR_fremovexattr, sys_fremovexattr), // 235
LINX_(__NR_gettid, sys_gettid), // 236
LINXY(__NR_tkill, sys_tkill), // 237
LINXY(__NR_futex, sys_futex), // 238
LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 239
LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 240
LINXY(__NR_tgkill, sys_tgkill), // 241
GENX_(242, sys_ni_syscall), /* unimplemented (by the kernel) */ // 242
LINXY(__NR_io_setup, sys_io_setup), // 243
LINX_(__NR_io_destroy, sys_io_destroy), // 244
LINXY(__NR_io_getevents, sys_io_getevents), // 245
LINX_(__NR_io_submit, sys_io_submit), // 246
LINXY(__NR_io_cancel, sys_io_cancel), // 247
LINX_(__NR_exit_group, sys_exit_group), // 248
LINXY(__NR_epoll_create, sys_epoll_create), // 249
LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 250
LINXY(__NR_epoll_wait, sys_epoll_wait), // 251
LINX_(__NR_set_tid_address, sys_set_tid_address), // 252
PLAX_(__NR_fadvise64, sys_fadvise64), // 253
LINXY(__NR_timer_create, sys_timer_create), // 254
LINXY(__NR_timer_settime, sys_timer_settime), // 255
LINXY(__NR_timer_gettime, sys_timer_gettime), // 256
LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 257
LINX_(__NR_timer_delete, sys_timer_delete), // 258
LINX_(__NR_clock_settime, sys_clock_settime), // 259
LINXY(__NR_clock_gettime, sys_clock_gettime), // 260
LINXY(__NR_clock_getres, sys_clock_getres), // 261
LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 262
GENX_(263, sys_ni_syscall), /* unimplemented (by the kernel) */ // 263
GENX_(264, sys_ni_syscall), /* unimplemented (by the kernel) */ // 264
GENXY(__NR_statfs64, sys_statfs64), // 265
GENXY(__NR_fstatfs64, sys_fstatfs64), // 266
// ?????(__NR_remap_file_pages, ),
GENX_(268, sys_ni_syscall), /* unimplemented (by the kernel) */ // 268
GENX_(269, sys_ni_syscall), /* unimplemented (by the kernel) */ // 269
GENX_(270, sys_ni_syscall), /* unimplemented (by the kernel) */ // 270
LINXY(__NR_mq_open, sys_mq_open), // 271
LINX_(__NR_mq_unlink, sys_mq_unlink), // 272
LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 273
LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 274
LINX_(__NR_mq_notify, sys_mq_notify), // 275
LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 276
// ?????(__NR_kexec_load, ),
LINX_(__NR_add_key, sys_add_key), // 278
LINX_(__NR_request_key, sys_request_key), // 279
LINXY(__NR_keyctl, sys_keyctl), // 280
LINXY(__NR_waitid, sys_waitid), // 281
LINX_(__NR_ioprio_set, sys_ioprio_set), // 282
LINX_(__NR_ioprio_get, sys_ioprio_get), // 283
LINX_(__NR_inotify_init, sys_inotify_init), // 284
LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 285
LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 286
GENX_(287, sys_ni_syscall), /* unimplemented (by the kernel) */ // 287
LINXY(__NR_openat, sys_openat), // 288
LINX_(__NR_mkdirat, sys_mkdirat), // 289
LINX_(__NR_mknodat, sys_mknodat), // 290
LINX_(__NR_fchownat, sys_fchownat), // 291
LINX_(__NR_futimesat, sys_futimesat), // 292
LINXY(__NR_newfstatat, sys_newfstatat), // 293
LINX_(__NR_unlinkat, sys_unlinkat), // 294
LINX_(__NR_renameat, sys_renameat), // 295
LINX_(__NR_linkat, sys_linkat), // 296
LINX_(__NR_symlinkat, sys_symlinkat), // 297
LINX_(__NR_readlinkat, sys_readlinkat), // 298
LINX_(__NR_fchmodat, sys_fchmodat), // 299
LINX_(__NR_faccessat, sys_faccessat), // 300
LINXY(__NR_pselect6, sys_pselect6), // 301
LINXY(__NR_ppoll, sys_ppoll), // 302
LINX_(__NR_unshare, sys_unshare), // 303
LINX_(__NR_set_robust_list, sys_set_robust_list), // 304
LINXY(__NR_get_robust_list, sys_get_robust_list), // 305
LINX_(__NR_splice, sys_splice), // 306
LINX_(__NR_sync_file_range, sys_sync_file_range), // 307
LINX_(__NR_tee, sys_tee), // 308
LINXY(__NR_vmsplice, sys_vmsplice), // 309
GENX_(310, sys_ni_syscall), /* unimplemented (by the kernel) */ // 310
LINXY(__NR_getcpu, sys_getcpu), // 311
LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 312
GENX_(__NR_utimes, sys_utimes), // 313
LINX_(__NR_fallocate, sys_fallocate), // 314
LINX_(__NR_utimensat, sys_utimensat), // 315
LINXY(__NR_signalfd, sys_signalfd), // 316
GENX_(317, sys_ni_syscall), /* unimplemented (by the kernel) */ // 317
LINXY(__NR_eventfd, sys_eventfd), // 318
LINXY(__NR_timerfd_create, sys_timerfd_create), // 319
LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 320
LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 321
LINXY(__NR_signalfd4, sys_signalfd4), // 322
LINXY(__NR_eventfd2, sys_eventfd2), // 323
LINXY(__NR_inotify_init1, sys_inotify_init1), // 324
LINXY(__NR_pipe2, sys_pipe2), // 325
LINXY(__NR_dup3, sys_dup3), // 326
LINXY(__NR_epoll_create1, sys_epoll_create1), // 327
LINXY(__NR_preadv, sys_preadv), // 328
LINX_(__NR_pwritev, sys_pwritev), // 329
LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo), // 330
LINXY(__NR_perf_event_open, sys_perf_event_open), // 331
LINXY(__NR_fanotify_init, sys_fanotify_init), // 332
LINX_(__NR_fanotify_mark, sys_fanotify_mark), // 333
LINXY(__NR_prlimit64, sys_prlimit64), // 334
LINXY(__NR_name_to_handle_at, sys_name_to_handle_at), // 335
LINXY(__NR_open_by_handle_at, sys_open_by_handle_at), // 336
LINXY(__NR_clock_adjtime, sys_clock_adjtime), // 337
LINX_(__NR_syncfs, sys_syncfs), // 338
// ?????(__NR_setns, ), // 339
LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 340
LINX_(__NR_process_vm_writev, sys_process_vm_writev), // 341
// ?????(__NR_s390_runtime_instr, ), // 342
LINX_(__NR_kcmp, sys_kcmp), // 343
// ?????(__NR_finit_module, ), // 344
// ?????(__NR_sched_setattr, ), // 345
// ?????(__NR_sched_getattr, ), // 346
LINX_(__NR_renameat2, sys_renameat2), // 347
// ?????(__NR_seccomp, ), // 348
LINXY(__NR_getrandom, sys_getrandom), // 349
LINXY(__NR_memfd_create, sys_memfd_create), // 350
LINXY(__NR_recvmmsg, sys_recvmmsg), // 357
LINXY(__NR_sendmmsg, sys_sendmmsg), // 358
LINXY(__NR_socket, sys_socket), // 359
LINXY(__NR_socketpair, sys_socketpair), // 360
LINX_(__NR_bind, sys_bind), // 361
LINX_(__NR_connect, sys_connect), // 362
LINX_(__NR_listen, sys_listen), // 363
LINXY(__NR_accept4, sys_accept4), // 364
LINXY(__NR_getsockopt, sys_getsockopt), // 365
LINX_(__NR_setsockopt, sys_setsockopt), // 366
LINXY(__NR_getsockname, sys_getsockname), // 367
LINXY(__NR_getpeername, sys_getpeername), // 368
LINX_(__NR_sendto, sys_sendto), // 369
LINX_(__NR_sendmsg, sys_sendmsg), // 270
LINXY(__NR_recvfrom, sys_recvfrom), // 371
LINXY(__NR_recvmsg, sys_recvmsg), // 372
LINX_(__NR_shutdown, sys_shutdown) // 373
};
SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
{
const UInt syscall_table_size
= sizeof(syscall_table) / sizeof(syscall_table[0]);
/* Is it in the contiguous initial section of the table? */
if (sysno < syscall_table_size) {
SyscallTableEntry* sys = &syscall_table[sysno];
if (sys->before == NULL)
return NULL; /* no entry */
else
return sys;
}
/* Can't find a wrapper */
return NULL;
}
#endif
/*--------------------------------------------------------------------*/
/*--- end ---*/
/*--------------------------------------------------------------------*/
|