1
2/*--------------------------------------------------------------------*/
3/*--- Platform-specific syscalls stuff.    syswrap-mips64-linux.c ----*/
4/*--------------------------------------------------------------------*/
5
6/*
7   This file is part of Valgrind, a dynamic binary instrumentation
8   framework.
9
10   Copyright (C) 2010-2017 RT-RK
11      mips-valgrind@rt-rk.com
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_mips64_linux)
32#include "pub_core_basics.h"
33#include "pub_core_vki.h"
34#include "pub_core_vkiscnums.h"
35#include "pub_core_threadstate.h"
36#include "pub_core_aspacemgr.h"
37#include "pub_core_debuglog.h"
38#include "pub_core_libcbase.h"
39#include "pub_core_libcassert.h"
40#include "pub_core_libcprint.h"
41#include "pub_core_libcproc.h"
42#include "pub_core_libcsignal.h"
43#include "pub_core_options.h"
44#include "pub_core_scheduler.h"
45#include "pub_core_sigframe.h"     /* For VG_(sigframe_destroy)() */
46#include "pub_core_signals.h"
47#include "pub_core_syscall.h"
48#include "pub_core_syswrap.h"
49#include "pub_core_tooliface.h"
50#include "pub_core_transtab.h"     /* VG_(discard_translations) */
51#include "priv_types_n_macros.h"
52#include "priv_syswrap-generic.h"  /* for decls of generic wrappers */
53#include "priv_syswrap-linux.h"    /* for decls of linux-ish wrappers */
54#include "priv_syswrap-main.h"
55
56#include "pub_core_debuginfo.h"    /* VG_(di_notify_*) */
57#include "pub_core_xarray.h"
58#include "pub_core_clientstate.h"  /* VG_(brk_base), VG_(brk_limit) */
59#include "pub_core_errormgr.h"
60#include "pub_core_gdbserver.h"    /* VG_(gdbserver) */
61#include "pub_core_libcfile.h"
62#include "pub_core_machine.h"      /* VG_(get_SP) */
63#include "pub_core_mallocfree.h"
64#include "pub_core_stacktrace.h"   /* For VG_(get_and_pp_StackTrace)() */
65#include "pub_core_ume.h"
66
67#include "config.h"
68
69#include <errno.h>
70
71/* ---------------------------------------------------------------------
72                             clone() handling
73   ------------------------------------------------------------------ */
74
75/* Call f(arg1), but first switch stacks, using 'stack' as the new stack, and
76   use 'retaddr' as f's return-to address. Also, clear all the integer registers
77   before entering f. */
78__attribute__ ((noreturn))
79void ML_(call_on_new_stack_0_1) ( Addr stack,             /* $4 - $a0 */
80                                  Addr retaddr,           /* $5 - $a1 */
81                                  void (*f_desc) (Word),  /* $6 - $a2 */
82                                  Word arg1 );            /* $7 - $a3 */
83asm (
84".text\n"
85".globl vgModuleLocal_call_on_new_stack_0_1\n"
86"vgModuleLocal_call_on_new_stack_0_1:\n"
87"   move $29, $4\n"   /* set stack */
88"   move $4,  $7\n"   /* arg1 to $4 */
89"   move $25, $6\n"
90"   move $31, $5\n"   /* retaddr to $ra */
91"   li   $2, 0\n\t"   /* zero all GP regs */
92"   li   $3, 0\n\t"
93"   li   $5, 0\n\t"
94"   li   $6, 0\n\t"
95"   li   $7, 0\n\t"
96"   li   $12, 0\n\t"
97"   li   $13, 0\n\t"
98"   li   $14, 0\n\t"
99"   li   $15, 0\n\t"
100"   li   $16, 0\n\t"
101"   li   $17, 0\n\t"
102"   li   $18, 0\n\t"
103"   li   $19, 0\n\t"
104"   li   $20, 0\n\t"
105"   li   $21, 0\n\t"
106"   li   $22, 0\n\t"
107"   li   $23, 0\n\t"
108"   li   $24, 0\n\t"
109"   jr $25\n"         /* jump to f */
110"   break 0x7\n"      /* should never get here */
111".previous\n"
112);
113
114/* Perform a clone system call.  clone is strange because it has fork()-like
115   return-twice semantics, so it needs special handling here.
116
117   Upon entry, we have:
118
119      word (fn)(void*)    in a0 = 4
120      void* child_stack   in a1 = 5
121      word flags          in a2 = 6
122      void* arg           in a3 = 7
123      pid_t* parent_tid   in a4 = 8
124      void* tls           in a5 = 9
125      pid_t* child_tid    in a6 = 10
126
127   System call requires:
128
129      int    $__NR_clone  in v0
130      int    flags        in a0 = 4
131      void*  child_stack  in a1 = 5
132      pid_t* parent_tid   in a2 = 6
133      void*  tls_ptr      in a3 = 7
134      pid_t* child_tid    in a4 = 8 */
135
136#define __NR_CLONE        __NR_clone
137#define __NR_EXIT         __NR_exit
138
139// See priv_syswrap-linux.h for arg profile.
140asm(
141".text\n"
142".set noreorder\n"
143".set nomacro\n"
144".globl do_syscall_clone_mips64_linux\n"
145"do_syscall_clone_mips64_linux:\n"
146"   daddiu $29, $29, -32\n"
147"   sd $31, 0($29)\n"
148"   sd $30, 8($29)\n"
149"   sd $28, 16($29)\n"
150
151"   daddiu  $5, $5, -32\n"
152"   sd $4, 0($5)\n"   /* fn */
153"   sd $7, 8($5)\n"   /* arg */
154"   sd $6, 16($5)\n"  /* flags */
155
156/* 1. arg for syscalls */
157"   move $4, $6\n"   /* flags */
158"   move $6, $8\n"   /* parent */
159"   move $7, $a5\n"  /* tls */
160"   move $8, $a6\n"  /* child */
161
162/* 2. do a syscall to clone */
163"   li  $2, 5055\n"  /* syscall num for clone */
164"   syscall\n"
165
166/* 3. See if we are a child, call fn and after that exit */
167"   bnez $7, p_or_error\n"
168"   nop\n"
169
170"   bnez $2, p_or_error\n"
171"   nop\n"
172
173"   ld $25,0($29)\n"
174"   jalr $25\n"
175"   ld $4,8($29)\n"
176
177"   move $4, $2\n\t"  /* retval from fn is in $v0 */
178"   li $2, 5058\n\t"  /* NR_exit */
179"   syscall\n\t"
180"   nop\n\t"
181/* 4. If we are parent or error, just return to caller */
182"   p_or_error:\n"
183"   ld $31, 0($29)\n"
184"   ld $30, 8($29)\n"
185"   ld $28, 16($29)\n"
186"   jr $31\n"
187"   daddiu $29,$29, 32\n"
188".previous\n"
189);
190
191#undef __NR_CLONE
192#undef __NR_EXIT
193
194/* forward declarations */
195static SysRes sys_set_tls ( ThreadId tid, Addr tlsptr);
196
197/* ---------------------------------------------------------------------
198                          More thread stuff
199   ------------------------------------------------------------------ */
200void VG_(cleanup_thread) ( ThreadArchState * arch ) { };
201
202SysRes sys_set_tls ( ThreadId tid, Addr tlsptr )
203{
204   VG_(threads)[tid].arch.vex.guest_ULR = tlsptr;
205   return VG_(mk_SysRes_Success)( 0 );
206}
207
208/* ---------------------------------------------------------------------
209           PRE/POST wrappers for mips/Linux-specific syscalls
210   ------------------------------------------------------------------ */
211
212#define PRE(name)       DEFN_PRE_TEMPLATE(mips_linux, name)
213#define POST(name)      DEFN_POST_TEMPLATE(mips_linux, name)
214
215/* Add prototypes for the wrappers declared here, so that gcc doesn't harass us
216   for not having prototypes. Really this is a kludge -- the right thing to do
217   is to make these wrappers 'static' since they aren't visible outside this
218   file, but that requires even more macro magic. */
219
220DECL_TEMPLATE (mips_linux, sys_set_thread_area);
221DECL_TEMPLATE (mips_linux, sys_tee);
222DECL_TEMPLATE (mips_linux, sys_splice);
223DECL_TEMPLATE (mips_linux, sys_vmsplice);
224DECL_TEMPLATE (mips_linux, sys_ustat);
225DECL_TEMPLATE (mips_linux, sys_sysfs);
226DECL_TEMPLATE (mips_linux, sys_swapon);
227DECL_TEMPLATE (mips_linux, sys_swapoff);
228DECL_TEMPLATE (mips_linux, sys_setdomainname);
229DECL_TEMPLATE (mips_linux, sys_sethostname);
230DECL_TEMPLATE (mips_linux, sys_reboot);
231DECL_TEMPLATE (mips_linux, sys_cacheflush);
232DECL_TEMPLATE (mips_linux, sys_sched_rr_get_interval);
233DECL_TEMPLATE (mips_linux, sys_unshare);
234DECL_TEMPLATE (mips_linux, sys_prctl);
235DECL_TEMPLATE (mips_linux, sys_ptrace);
236DECL_TEMPLATE (mips_linux, sys_mmap);
237DECL_TEMPLATE (mips_linux, sys_rt_sigreturn);
238DECL_TEMPLATE (mips_linux, sys_pipe);
239DECL_TEMPLATE (mips_linux, sys_fadvise64);
240
241PRE(sys_tee)
242{
243   PRINT("sys_tee ( %ld, %ld, %lu, %#lx )", SARG1, SARG2, ARG3, ARG4);
244   PRE_REG_READ4(long, "sys_tee", int, fdin, int, fdout, vki_size_t, len,
245                 int, flags);
246}
247
248PRE(sys_splice)
249{
250   PRINT("sys_splice ( %ld, %#lx, %ld, %#lx, %lu, %#lx )",
251         SARG1, ARG2, SARG3, ARG4, ARG5, ARG6);
252
253   PRE_REG_READ6(long, "sys_splice", int, fdin, vki_loff_t, sizein, int,
254                 fdout, vki_loff_t, sizeout, vki_size_t, len, int, flags);
255}
256
257PRE(sys_vmsplice)
258{
259   PRINT("sys_vmsplice ( %ld, %#lx, %lu, %ld )", SARG1, ARG2, ARG3, SARG4);
260   PRE_REG_READ4(long, "sys_vmsplice", int, fdin, struct vki_iovec *, v,
261                 vki_size_t, len, int, flags);
262}
263
264PRE(sys_unshare)
265{
266   PRINT("sys_unshare ( %lu )", ARG1);
267   PRE_REG_READ1(long, "sys_unshare", unsigned long, flags);
268}
269
270PRE(sys_sched_rr_get_interval)
271{
272   PRINT("sys_sched_rr_get_interval ( %ld, %#lx)", SARG1, ARG2);
273   PRE_REG_READ2(long, "sched_rr_get_interval", vki_pid_t, pid,
274                 struct timespec *, timer);
275   *flags |= SfMayBlock;
276}
277
278PRE(sys_ustat)
279{
280   PRINT("sys_ustat ( %#lx, %#lx)", ARG1, ARG2);
281   PRE_REG_READ2(long, "ustat", int, flags, const void *, path);
282}
283
284PRE(sys_swapon)
285{
286   PRINT("sys_swapon ( %#lx, %#lx )", ARG1, ARG2);
287   PRE_REG_READ2(long, "swapon", const void *, path, int, flags);
288}
289
290PRE(sys_swapoff)
291{
292   PRINT("sys_swapoff ( %#lx )", ARG1);
293   PRE_REG_READ1(long, "swapoff", const void *, path);
294}
295
296PRE(sys_sysfs)
297{
298   PRINT("sys_sysfs ( %ld, %#lx, %#lx )", SARG1, ARG2, ARG3);
299   PRE_REG_READ3(long, "sysfs", int, flags, int, desc, const void *, path);
300}
301
302/* Very much MIPS specific */
303PRE(sys_cacheflush)
304{
305   PRINT("cacheflush (%lx, %lx, %lx)", ARG1, ARG2, ARG3);
306   PRE_REG_READ3(long, "cacheflush", unsigned long, addr,
307                 unsigned long, nbytes, unsigned int, cache);
308   VG_ (discard_translations) ((Addr)ARG1, (ULong) ARG2,
309                               "PRE(sys_cacheflush)");
310   SET_STATUS_Success(0);
311}
312
313PRE(sys_reboot)
314{
315   PRINT("sys_reboot ( %ld, %ld, %lu, %#lx )", SARG1, ARG2, ARG3, ARG4);
316   // An approximation. ARG4 is only read conditionally by the kernel
317   PRE_REG_READ4(int, "reboot",
318                 int, magic1, int, magic2, unsigned int, cmd,
319                 void *, arg);
320
321   *flags |= SfMayBlock;
322}
323
324PRE(sys_setdomainname)
325{
326   PRINT ("sys_setdomainname ( %#lx, %ld )", ARG1, SARG2);
327   PRE_REG_READ2 (long, "setdomainname", const void *, name, int, len);
328}
329
330PRE(sys_sethostname)
331{
332   PRINT ("sys_sethostname ( %#lx, %ld )", ARG1, SARG2);
333   PRE_REG_READ2 (long, "sethostname", const void *, name, int, len);
334}
335
336PRE(sys_ptrace)
337{
338   PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", SARG1, SARG2, ARG3, ARG4);
339   PRE_REG_READ4(int, "ptrace",
340                 long, request, long, pid, unsigned long, addr,
341                 unsigned long, data);
342   switch (ARG1) {
343      case VKI_PTRACE_PEEKTEXT:
344      case VKI_PTRACE_PEEKDATA:
345      case VKI_PTRACE_PEEKUSR:
346         PRE_MEM_WRITE("ptrace(peek)", ARG4, sizeof(long));
347         break;
348      case VKI_PTRACE_GETEVENTMSG:
349         PRE_MEM_WRITE("ptrace(geteventmsg)", ARG4, sizeof(unsigned long));
350         break;
351      case VKI_PTRACE_GETSIGINFO:
352         PRE_MEM_WRITE("ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t));
353         break;
354      case VKI_PTRACE_SETSIGINFO:
355         PRE_MEM_READ("ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t));
356         break;
357      case VKI_PTRACE_GETREGSET:
358         ML_(linux_PRE_getregset)(tid, ARG3, ARG4);
359         break;
360      default:
361        break;
362   }
363}
364
365POST(sys_ptrace)
366{
367   switch (ARG1) {
368      case VKI_PTRACE_TRACEME:
369         ML_(linux_POST_traceme)(tid);
370         break;
371      case VKI_PTRACE_PEEKTEXT:
372      case VKI_PTRACE_PEEKDATA:
373      case VKI_PTRACE_PEEKUSR:
374         POST_MEM_WRITE (ARG4, sizeof(long));
375         break;
376      case VKI_PTRACE_GETEVENTMSG:
377         POST_MEM_WRITE (ARG4, sizeof(unsigned long));
378      break;
379      case VKI_PTRACE_GETSIGINFO:
380         POST_MEM_WRITE (ARG4, sizeof(vki_siginfo_t));
381         break;
382      case VKI_PTRACE_GETREGSET:
383         ML_(linux_POST_getregset)(tid, ARG3, ARG4);
384         break;
385      default:
386      break;
387   }
388}
389
390PRE(sys_mmap)
391{
392   SysRes r;
393   PRINT("sys_mmap ( %#lx, %lu, %ld, %ld, %ld, %lu )",
394         ARG1, ARG2, SARG3, SARG4, SARG5, ARG6);
395   PRE_REG_READ6(long, "mmap", unsigned long, start, vki_size_t, length,
396                 int, prot, int, flags, int, fd, unsigned long, offset);
397   r = ML_(generic_PRE_sys_mmap)(tid, ARG1, ARG2, ARG3, ARG4, ARG5,
398                                 (Off64T) ARG6);
399   SET_STATUS_from_SysRes(r);
400}
401PRE(sys_rt_sigreturn)
402{
403   /* See comments on PRE(sys_rt_sigreturn) in syswrap-s390x-linux.c for
404      an explanation of what follows. */
405   ThreadState* tst;
406   PRINT("sys_rt_sigreturn ( )");
407
408   vg_assert(VG_(is_valid_tid)(tid));
409   vg_assert(tid >= 1 && tid < VG_N_THREADS);
410   vg_assert(VG_(is_running_thread)(tid));
411
412   tst = VG_(get_ThreadState)(tid);
413
414   /* This is only so that the IA is (might be) useful to report if
415      something goes wrong in the sigreturn */
416   ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
417
418   /* Restore register state from frame and remove it */
419   VG_(sigframe_destroy)(tid, True);
420
421   /* Tell the driver not to update the guest state with the "result",
422      and set a bogus result to keep it happy. */
423   *flags |= SfNoWriteResult;
424   SET_STATUS_Success(0);
425
426   /* Check to see if any signals arose as a result of this. */
427   *flags |= SfPollAfter;
428}
429
430PRE(sys_set_thread_area)
431{
432   PRINT("set_thread_area (%lx)", ARG1);
433   PRE_REG_READ1(long, "set_thread_area", unsigned long, addr);
434   SET_STATUS_from_SysRes(sys_set_tls(tid, ARG1));
435}
436
437PRE(sys_pipe)
438{
439   PRINT("sys_pipe ( %#lx )", ARG1);
440   PRE_REG_READ1(int, "pipe", int *, filedes);
441   PRE_MEM_WRITE( "pipe(filedes)", ARG1, 2*sizeof(int) );
442}
443
444POST(sys_pipe)
445{
446   Int p0, p1;
447   vg_assert(SUCCESS);
448   p0 = RES;
449   p1 = sr_ResEx(status->sres);
450
451   if (!ML_(fd_allowed)(p0, "pipe", tid, True) ||
452       !ML_(fd_allowed)(p1, "pipe", tid, True)) {
453      VG_(close)(p0);
454      VG_(close)(p1);
455      SET_STATUS_Failure( VKI_EMFILE );
456   } else {
457      if (VG_(clo_track_fds)) {
458         ML_(record_fd_open_nameless)(tid, p0);
459         ML_(record_fd_open_nameless)(tid, p1);
460      }
461   }
462}
463
464PRE(sys_prctl)
465{
466   switch (ARG1) {
467      case VKI_PR_SET_FP_MODE:
468      {
469         VexArchInfo vai;
470         VG_(machine_get_VexArchInfo)(NULL, &vai);
471         /* Reject unsupported modes */
472         if ((ARG2 & ~VKI_PR_FP_MODE_FR) ||
473             ((ARG2 & VKI_PR_FP_MODE_FR) &&
474              !VEX_MIPS_HOST_FP_MODE(vai.hwcaps))) {
475            SET_STATUS_Failure(VKI_EOPNOTSUPP);
476         } else {
477            if (!(VG_(threads)[tid].arch.vex.guest_CP0_status &
478                  MIPS_CP0_STATUS_FR) != !(ARG2 & VKI_PR_FP_MODE_FR)) {
479               ThreadId t;
480               for (t = 1; t < VG_N_THREADS; t++) {
481                  if (VG_(threads)[t].status != VgTs_Empty) {
482                     if (ARG2 & VKI_PR_FP_MODE_FR) {
483                        VG_(threads)[t].arch.vex.guest_CP0_status |=
484                        MIPS_CP0_STATUS_FR;
485                     } else {
486                        VG_(threads)[t].arch.vex.guest_CP0_status &=
487                        ~MIPS_CP0_STATUS_FR;
488                     }
489                  }
490               }
491               /* Discard all translations */
492               VG_(discard_translations)(0, (ULong)(-1ll), "prctl(PR_SET_FP_MODE)");
493            }
494            SET_STATUS_Success(0);
495         }
496         break;
497      }
498      case VKI_PR_GET_FP_MODE:
499         if (VG_(threads)[tid].arch.vex.guest_CP0_status & MIPS_CP0_STATUS_FR)
500            SET_STATUS_Success(VKI_PR_FP_MODE_FR);
501         else
502            SET_STATUS_Success(0);
503         break;
504      default:
505         WRAPPER_PRE_NAME(linux, sys_prctl)(tid, layout, arrghs, status, flags);
506         break;
507   }
508}
509
510POST(sys_prctl)
511{
512   WRAPPER_POST_NAME(linux, sys_prctl)(tid, arrghs, status);
513}
514
515PRE(sys_fadvise64)
516{
517   PRINT("sys_fadvise64 ( %ld, %ld, %lu, %ld )", SARG1, SARG2, ARG3, SARG4);
518   PRE_REG_READ4(long, "fadvise64",
519                 int, fd, vki_loff_t, offset, vki_loff_t, len, int, advice);
520}
521
522#undef PRE
523#undef POST
524
525/* ---------------------------------------------------------------------
526   The mips64/Linux syscall table
527   ------------------------------------------------------------------ */
528
529/* Add an mips64-linux specific wrapper to a syscall table. */
530#define PLAX_(sysno, name)    WRAPPER_ENTRY_X_(mips_linux, sysno, name)
531#define PLAXY(sysno, name)    WRAPPER_ENTRY_XY(mips_linux, sysno, name)
532
533static SyscallTableEntry syscall_main_table[] = {
534   GENXY (__NR_read, sys_read),  /* 5000 */
535   GENX_ (__NR_write, sys_write),
536   GENXY (__NR_open, sys_open),
537   GENXY (__NR_close, sys_close),
538   GENXY (__NR_stat, sys_newstat),
539   GENXY (__NR_fstat, sys_newfstat),
540   GENXY (__NR_lstat, sys_newlstat),
541   GENXY (__NR_poll, sys_poll),
542   LINX_ (__NR_lseek, sys_lseek),
543   PLAX_ (__NR_mmap, sys_mmap),
544   GENXY (__NR_mprotect, sys_mprotect),
545   GENXY (__NR_munmap, sys_munmap),
546   GENX_ (__NR_brk, sys_brk),
547   LINXY (__NR_rt_sigaction, sys_rt_sigaction),
548   LINXY (__NR_rt_sigprocmask, sys_rt_sigprocmask),
549   LINXY (__NR_ioctl, sys_ioctl),
550   LINXY (__NR_eventfd2, sys_eventfd2),
551   LINXY (__NR_signalfd4, sys_signalfd4),
552   GENXY (__NR_pread64, sys_pread64),
553   GENX_ (__NR_pwrite64, sys_pwrite64),
554   GENXY (__NR_readv, sys_readv),
555   GENX_ (__NR_writev, sys_writev),
556   GENX_ (__NR_access, sys_access),
557   PLAXY (__NR_pipe, sys_pipe),
558   LINXY (__NR_pipe2, sys_pipe2),
559   GENX_ (__NR__newselect,sys_select),
560   LINX_ (__NR_sched_yield, sys_sched_yield),
561   GENX_ (__NR_mremap, sys_mremap),
562   GENX_ (__NR_msync, sys_msync),
563   GENXY (__NR_mincore, sys_mincore),
564   GENX_ (__NR_madvise, sys_madvise),
565   LINX_ (__NR_shmget, sys_shmget),
566   LINXY (__NR_shmat, sys_shmat),
567   LINXY (__NR_shmctl, sys_shmctl),
568   GENXY (__NR_dup, sys_dup),
569   GENXY (__NR_dup2, sys_dup2),
570   LINXY (__NR_dup3, sys_dup3),
571   GENX_ (__NR_pause, sys_pause),
572   GENXY (__NR_nanosleep, sys_nanosleep),
573   GENXY (__NR_getitimer, sys_getitimer),
574   GENXY (__NR_setitimer, sys_setitimer),
575   GENX_ (__NR_alarm, sys_alarm),
576   GENX_ (__NR_getpid, sys_getpid),
577   /* LINX_(__NR_fallocate,sys_fallocate), */
578   LINXY (__NR_sendfile, sys_sendfile),
579   LINXY (__NR_socket, sys_socket),
580   LINX_ (__NR_connect, sys_connect),
581   LINXY (__NR_accept, sys_accept),
582   LINXY (__NR_accept4, sys_accept4),
583   LINX_ (__NR_sendto, sys_sendto),
584   LINXY (__NR_recvfrom, sys_recvfrom),
585   LINX_ (__NR_sendmsg, sys_sendmsg),
586   LINXY (__NR_recvmsg, sys_recvmsg),
587   LINX_ (__NR_shutdown, sys_shutdown),
588   LINX_ (__NR_bind, sys_bind),
589   LINX_ (__NR_listen, sys_listen),
590   LINXY (__NR_getsockname, sys_getsockname),
591   LINXY (__NR_getpeername, sys_getpeername),
592   LINXY (__NR_socketpair, sys_socketpair),
593   LINX_ (__NR_setsockopt, sys_setsockopt),
594   LINXY (__NR_getsockopt, sys_getsockopt),
595   LINX_ (__NR_clone, sys_clone),
596   GENX_ (__NR_fork, sys_fork),
597   GENX_ (__NR_execve, sys_execve),
598   GENX_ (__NR_exit, sys_exit),
599   GENXY (__NR_wait4, sys_wait4),
600   GENX_ (__NR_kill, sys_kill),
601   GENXY (__NR_uname, sys_newuname),
602   LINX_ (__NR_semget, sys_semget),
603   LINX_ (__NR_semop, sys_semop),
604   LINXY (__NR_semctl, sys_semctl),
605   LINXY (__NR_shmdt, sys_shmdt),
606   LINX_ (__NR_msgget, sys_msgget),
607   LINX_ (__NR_msgsnd, sys_msgsnd),
608   LINXY (__NR_msgrcv, sys_msgrcv),
609   LINXY (__NR_msgctl, sys_msgctl),
610   LINXY (__NR_fcntl, sys_fcntl),
611   GENX_ (__NR_flock, sys_flock),
612   GENX_ (__NR_fsync, sys_fsync),
613   GENX_ (__NR_fdatasync, sys_fdatasync),
614   GENX_ (__NR_truncate, sys_truncate),
615   GENX_ (__NR_ftruncate, sys_ftruncate),
616   GENXY (__NR_getdents, sys_getdents),
617   GENXY (__NR_getcwd, sys_getcwd),
618   GENX_ (__NR_chdir, sys_chdir),
619   GENX_ (__NR_fchdir, sys_fchdir),
620   GENX_ (__NR_rename, sys_rename),
621   GENX_ (__NR_mkdir, sys_mkdir),
622   GENX_ (__NR_rmdir, sys_rmdir),
623   GENXY (__NR_creat, sys_creat),
624   GENX_ (__NR_link, sys_link),
625   GENX_ (__NR_unlink, sys_unlink),
626   GENX_ (__NR_symlink, sys_symlink),
627   GENX_ (__NR_readlink, sys_readlink),
628   GENX_ (__NR_chmod, sys_chmod),
629   GENX_ (__NR_fchmod, sys_fchmod),
630   GENX_ (__NR_chown, sys_chown),
631   GENX_ (__NR_fchown, sys_fchown),
632   GENX_ (__NR_lchown, sys_lchown),
633   GENX_ (__NR_umask, sys_umask),
634   GENXY (__NR_gettimeofday, sys_gettimeofday),
635   GENXY (__NR_getrlimit, sys_getrlimit),
636   GENXY (__NR_getrusage, sys_getrusage),
637   LINXY (__NR_sysinfo, sys_sysinfo),
638   GENXY (__NR_times, sys_times),
639   PLAXY (__NR_ptrace, sys_ptrace),
640   GENX_ (__NR_getuid, sys_getuid),
641   LINXY (__NR_syslog, sys_syslog),
642   GENX_ (__NR_getgid, sys_getgid),
643   GENX_ (__NR_setuid, sys_setuid),
644   GENX_ (__NR_setgid, sys_setgid),
645   GENX_ (__NR_geteuid, sys_geteuid),
646   GENX_ (__NR_getegid, sys_getegid),
647   GENX_ (__NR_setpgid, sys_setpgid),
648   GENX_ (__NR_getppid, sys_getppid),
649   GENX_ (__NR_getpgrp, sys_getpgrp),
650   GENX_ (__NR_setsid, sys_setsid),
651   GENX_ (__NR_setreuid, sys_setreuid),
652   GENX_ (__NR_setregid, sys_setregid),
653   GENXY (__NR_getgroups, sys_getgroups),
654   GENX_ (__NR_setgroups, sys_setgroups),
655   LINX_ (__NR_setresuid, sys_setresuid),
656   LINXY (__NR_getresuid, sys_getresuid),
657   LINX_ (__NR_setresgid, sys_setresgid),
658   LINXY (__NR_getresgid, sys_getresgid),
659   GENX_ (__NR_getpgid, sys_getpgid),
660   LINX_ (__NR_setfsuid, sys_setfsuid),
661   LINX_ (__NR_setfsgid, sys_setfsgid),
662   GENX_ (__NR_getsid, sys_getsid),
663   LINXY (__NR_capget, sys_capget),
664   LINX_ (__NR_capset, sys_capset),
665   LINXY (__NR_rt_sigpending, sys_rt_sigpending),
666   LINXY (__NR_rt_sigtimedwait, sys_rt_sigtimedwait),
667   LINXY (__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo),
668   LINX_ (__NR_rt_sigsuspend, sys_rt_sigsuspend),
669   GENXY (__NR_sigaltstack, sys_sigaltstack),
670   LINX_ (__NR_utime, sys_utime),
671   GENX_ (__NR_mknod, sys_mknod),
672   LINX_ (__NR_personality, sys_personality),
673   PLAX_ (__NR_ustat, sys_ustat),
674   GENXY (__NR_statfs, sys_statfs),
675   GENXY (__NR_fstatfs, sys_fstatfs),
676   PLAX_ (__NR_sysfs, sys_sysfs),
677   GENX_ (__NR_getpriority, sys_getpriority),
678   GENX_ (__NR_setpriority, sys_setpriority),
679   LINXY (__NR_sched_setparam, sys_sched_setparam),
680   LINXY (__NR_sched_getparam, sys_sched_getparam),
681   LINX_ (__NR_sched_setscheduler, sys_sched_setscheduler),
682   LINX_ (__NR_sched_getscheduler, sys_sched_getscheduler),
683   LINX_ (__NR_sched_get_priority_max, sys_sched_get_priority_max),
684   LINX_ (__NR_sched_get_priority_min, sys_sched_get_priority_min),
685   PLAX_ (__NR_sched_rr_get_interval, sys_sched_rr_get_interval),
686   GENX_ (__NR_mlock, sys_mlock),
687   GENX_ (__NR_munlock, sys_munlock),
688   GENX_ (__NR_mlockall, sys_mlockall),
689   LINX_ (__NR_munlockall, sys_munlockall),
690   LINX_ (__NR_vhangup, sys_vhangup),
691   LINX_ (__NR_pivot_root,sys_pivot_root),
692   LINXY (__NR__sysctl, sys_sysctl),
693   PLAXY (__NR_prctl, sys_prctl),
694   LINXY (__NR_adjtimex, sys_adjtimex),
695   GENX_ (__NR_setrlimit, sys_setrlimit),
696   GENX_ (__NR_chroot, sys_chroot),
697   GENX_ (__NR_sync, sys_sync),
698   GENX_ (__NR_acct, sys_acct),
699   GENX_ (__NR_settimeofday, sys_settimeofday),
700   LINX_ (__NR_mount, sys_mount),
701   LINX_ (__NR_umount2, sys_umount),
702   PLAX_ (__NR_swapon, sys_swapon),
703   PLAX_ (__NR_swapoff, sys_swapoff),
704   PLAX_ (__NR_reboot, sys_reboot),
705   PLAX_ (__NR_sethostname, sys_sethostname),
706   PLAX_ (__NR_setdomainname, sys_setdomainname),
707   GENX_ (__NR_create_module, sys_ni_syscall),
708   LINX_ (__NR_init_module, sys_init_module),
709   LINX_ (__NR_delete_module, sys_delete_module),
710   GENX_ (__NR_get_kernel_syms, sys_ni_syscall),
711   GENX_ (__NR_query_module, sys_ni_syscall),
712   LINX_ (__NR_quotactl, sys_quotactl),
713   /* GENX_(__NR_nfsservctl,sys_nfsservctl), */
714   GENXY (__NR_getpmsg, sys_getpmsg),
715   GENX_ (__NR_putpmsg, sys_putpmsg),
716   GENX_ (__NR_afs_syscall, sys_ni_syscall),
717   /* GENX_(__NR_reserved177,sys_reserved177), */
718   LINX_ (__NR_gettid, sys_gettid),
719   /* GENX_(__NR_readahead,sys_readahead), */
720   LINX_ (__NR_setxattr, sys_setxattr),
721   LINX_ (__NR_lsetxattr, sys_lsetxattr),
722   LINX_ (__NR_fsetxattr, sys_fsetxattr),
723   LINXY (__NR_getxattr, sys_getxattr),
724   LINXY (__NR_lgetxattr, sys_lgetxattr),
725   LINXY (__NR_fgetxattr, sys_fgetxattr),
726   LINXY (__NR_listxattr, sys_listxattr),
727   LINXY (__NR_llistxattr, sys_llistxattr),
728   LINXY (__NR_flistxattr, sys_flistxattr),
729   LINX_ (__NR_removexattr, sys_removexattr),
730   LINX_ (__NR_lremovexattr, sys_lremovexattr),
731   LINX_ (__NR_fremovexattr, sys_fremovexattr),
732   LINXY (__NR_tkill, sys_tkill),
733   /* GENX_(__NR_reserved193,sys_reserved193), */
734   LINXY (__NR_futex, sys_futex),
735   LINX_ (__NR_sched_setaffinity, sys_sched_setaffinity),
736   LINXY (__NR_sched_getaffinity, sys_sched_getaffinity),
737   PLAX_ (__NR_cacheflush, sys_cacheflush),
738   LINXY (__NR_io_setup, sys_io_setup),
739   LINX_ (__NR_io_destroy, sys_io_destroy),
740   LINXY (__NR_io_getevents, sys_io_getevents),
741   LINX_ (__NR_io_submit, sys_io_submit),
742   LINXY (__NR_io_cancel, sys_io_cancel),
743   LINX_ (__NR_exit_group, sys_exit_group),
744   /* LINXY (__NR_lookup_dcookie, sys_lookup_dcookie), */
745   LINXY (__NR_epoll_create, sys_epoll_create),
746   LINXY (__NR_epoll_create1, sys_epoll_create1),
747   LINX_ (__NR_epoll_ctl, sys_epoll_ctl),
748   LINXY (__NR_epoll_wait, sys_epoll_wait),
749   PLAX_(__NR_rt_sigreturn,sys_rt_sigreturn),
750   /* LINXY(__NR_fcntl64,sys_fcntl64), */
751   LINX_ (__NR_set_tid_address, sys_set_tid_address),
752   LINX_ (__NR_semtimedop, sys_semtimedop),
753   PLAX_ (__NR_fadvise64, sys_fadvise64),
754   LINXY (__NR_timer_create, sys_timer_create),
755   LINXY (__NR_timer_settime, sys_timer_settime),
756   LINXY (__NR_timer_gettime, sys_timer_gettime),
757   LINX_ (__NR_timer_getoverrun, sys_timer_getoverrun),
758   LINX_ (__NR_timer_delete, sys_timer_delete),
759   LINX_ (__NR_clock_settime, sys_clock_settime),
760   LINXY (__NR_clock_gettime, sys_clock_gettime),
761   LINXY (__NR_clock_getres, sys_clock_getres),
762   LINXY (__NR_clock_nanosleep, sys_clock_nanosleep),
763   LINX_ (__NR_tgkill, sys_tgkill),
764   GENX_ (__NR_utimes, sys_utimes),
765   LINX_ (__NR_mbind, sys_mbind),
766   LINXY (__NR_get_mempolicy, sys_get_mempolicy),
767   LINX_ (__NR_set_mempolicy, sys_set_mempolicy),
768   LINXY (__NR_mq_open, sys_mq_open),
769   LINX_ (__NR_mq_unlink, sys_mq_unlink),
770   LINX_ (__NR_mq_timedsend, sys_mq_timedsend),
771   LINXY (__NR_mq_timedreceive, sys_mq_timedreceive),
772   LINX_ (__NR_mq_notify, sys_mq_notify),
773   LINXY (__NR_mq_getsetattr, sys_mq_getsetattr),
774   GENX_ (__NR_vserver, sys_ni_syscall),
775   LINXY (__NR_waitid, sys_waitid),
776   LINX_ (__NR_add_key, sys_add_key),
777   LINX_ (__NR_request_key, sys_request_key),
778   LINXY (__NR_keyctl, sys_keyctl),
779   PLAX_ (__NR_set_thread_area, sys_set_thread_area),
780   LINX_ (__NR_inotify_init, sys_inotify_init),
781   LINX_ (__NR_inotify_add_watch, sys_inotify_add_watch),
782   LINX_ (__NR_inotify_rm_watch, sys_inotify_rm_watch),
783   LINXY (__NR_openat, sys_openat),
784   LINX_ (__NR_mkdirat, sys_mkdirat),
785   LINX_ (__NR_mknodat, sys_mknodat),
786   LINX_ (__NR_fchownat, sys_fchownat),
787   LINX_ (__NR_futimesat, sys_futimesat),
788   LINX_ (__NR_unlinkat, sys_unlinkat),
789   LINX_ (__NR_renameat, sys_renameat),
790   LINX_ (__NR_linkat, sys_linkat),
791   LINX_ (__NR_symlinkat, sys_symlinkat),
792   LINX_ (__NR_readlinkat, sys_readlinkat),
793   LINX_ (__NR_fchmodat, sys_fchmodat),
794   LINX_ (__NR_faccessat, sys_faccessat),
795   LINXY (__NR_pselect6, sys_pselect6),
796   LINXY (__NR_ppoll, sys_ppoll),
797   PLAX_ (__NR_unshare, sys_unshare),
798   PLAX_ (__NR_splice, sys_splice),
799   LINX_ (__NR_sync_file_range, sys_sync_file_range),
800   PLAX_ (__NR_tee, sys_tee),
801   PLAX_ (__NR_vmsplice, sys_vmsplice),
802   LINX_ (__NR_set_robust_list, sys_set_robust_list),
803   LINXY (__NR_get_robust_list, sys_get_robust_list),
804   LINXY (__NR_epoll_pwait, sys_epoll_pwait),
805   LINX_ (__NR_ioprio_set, sys_ioprio_set),
806   LINX_ (__NR_ioprio_get, sys_ioprio_get),
807   LINX_ (__NR_utimensat, sys_utimensat),
808   LINXY (__NR_signalfd, sys_signalfd),
809   LINXY (__NR_eventfd, sys_eventfd),
810   LINX_ (__NR_fallocate, sys_fallocate),
811   LINXY (__NR_timerfd_create, sys_timerfd_create),
812   LINXY (__NR_timerfd_gettime, sys_timerfd_gettime),
813   LINXY (__NR_timerfd_settime, sys_timerfd_settime),
814   LINXY (__NR_newfstatat, sys_newfstatat),
815   LINXY (__NR_prlimit64, sys_prlimit64),
816   LINXY (__NR_clock_adjtime, sys_clock_adjtime),
817   LINXY (__NR_process_vm_readv, sys_process_vm_readv),
818   LINX_ (__NR_process_vm_writev, sys_process_vm_writev),
819   LINXY(__NR_getrandom, sys_getrandom),
820   LINXY(__NR_memfd_create, sys_memfd_create),
821   LINX_(__NR_syncfs, sys_syncfs)
822};
823
824SyscallTableEntry * ML_(get_linux_syscall_entry) ( UInt sysno )
825{
826   const UInt syscall_main_table_size
827      = sizeof(syscall_main_table) / sizeof(syscall_main_table[0]);
828
829   if (sysno < syscall_main_table_size) {
830      SyscallTableEntry * sys = &syscall_main_table[sysno];
831      if (sys->before == NULL)
832         return NULL;  /* no entry */
833      else
834         return sys;
835   }
836   /* Can't find a wrapper */
837   return NULL;
838}
839
840#endif  /* defined(VGP_mips64_linux) */
841
842/*--------------------------------------------------------------------*/
843/*--- end                                   syswrap-mips64-linux.c ---*/
844/*--------------------------------------------------------------------*/
845