?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
support pidfd_getfd
[valgrind.git] / coregrind / m_syswrap / syswrap-nanomips-linux.c
blob38993480394ece05a45fcbb02b6c14d128d4f5d4
1
2 /*--------------------------------------------------------------------*/
3 /*--- Platform-specific syscalls stuff. syswrap-nanomips-linux.c ----*/
4 /*--------------------------------------------------------------------*/
5
6 /*
7 This file is part of Valgrind, a dynamic binary instrumentation
8 framework.
9
10 Copyright (C) 2017-2018 RT-RK
11
12 This program is free software; you can redistribute it and/or
13 modify it under the terms of the GNU General Public License as
14 published by the Free Software Foundation; either version 2 of the
15 License, or (at your option) any later version.
16
17 This program is distributed in the hope that it will be useful, but
18 WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, see <http://www.gnu.org/licenses/>.
24
25 The GNU General Public License is contained in the file COPYING.
26 */
27
28 #if defined(VGP_nanomips_linux)
29 #include "pub_core_basics.h"
30 #include "pub_core_vki.h"
31 #include "pub_core_vkiscnums.h"
32 #include "pub_core_threadstate.h"
33 #include "pub_core_aspacemgr.h"
34 #include "pub_core_debuglog.h"
35 #include "pub_core_libcbase.h"
36 #include "pub_core_libcassert.h"
37 #include "pub_core_libcprint.h"
38 #include "pub_core_libcproc.h"
39 #include "pub_core_libcsignal.h"
40 #include "pub_core_options.h"
41 #include "pub_core_scheduler.h"
42 #include "pub_core_sigframe.h" // For VG_(sigframe_destroy)()
43 #include "pub_core_signals.h"
44 #include "pub_core_syscall.h"
45 #include "pub_core_syswrap.h"
46 #include "pub_core_tooliface.h"
47 #include "pub_core_transtab.h" // VG_(discard_translations)
48 #include "priv_types_n_macros.h"
49 #include "priv_syswrap-generic.h" /* for decls of generic wrappers */
50 #include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */
51 #include "priv_syswrap-main.h"
52
53 #include "pub_core_debuginfo.h" // VG_(di_notify_*)
54 #include "pub_core_xarray.h"
55 #include "pub_core_clientstate.h" // VG_(brk_base), VG_(brk_limit)
56 #include "pub_core_errormgr.h"
57 #include "pub_core_gdbserver.h" // VG_(gdbserver)
58 #include "pub_core_libcfile.h"
59 #include "pub_core_machine.h" // VG_(get_SP)
60 #include "pub_core_mallocfree.h"
61 #include "pub_core_stacktrace.h" // For VG_(get_and_pp_StackTrace)()
62 #include "pub_core_ume.h"
63 #include "priv_syswrap-generic.h"
64 #include "config.h"
65
66 #include <errno.h>
67
68 /* ---------------------------------------------------------------------
69 clone() handling
70 ------------------------------------------------------------------ */
71 /* Call f(arg1), but first switch stacks, using 'stack' as the new
72 stack, and use 'retaddr' as f's return-to address. Also, clear all
73 the integer registers before entering f.*/
74
75 __attribute__ ((noreturn))
76 void ML_ (call_on_new_stack_0_1) (Addr stack, Addr retaddr,
77 void (*f) (Word), Word arg1);
78 // a0 = stack
79 // a1 = retaddr
80 // a2 = f
81 // a3 = arg1
82 asm (
83 ".text\n"
84 ".globl vgModuleLocal_call_on_new_stack_0_1 \n"
85 "vgModuleLocal_call_on_new_stack_0_1: \n"
86 " move $sp, $a0 \n\t" // stack to $sp
87 " move $ra, $a1 \n\t" // retaddr to $ra
88 " move $t9, $a2 \n\t" // f to t9
89 " move $a0, $a3 \n\t" // arg1 to $a0
90 " li $t4, 0 \n\t" // zero all GP regs
91 " li $t5, 0 \n\t"
92 " li $a1, 0 \n\t"
93 " li $a2, 0 \n\t"
94 " li $a3, 0 \n\t"
95 " li $t0, 0 \n\t"
96 " li $t1, 0 \n\t"
97 " li $t2, 0 \n\t"
98 " li $t3, 0 \n\t"
99 " li $s0, 0 \n\t"
100 " li $s1, 0 \n\t"
101 " li $s2, 0 \n\t"
102 " li $s3, 0 \n\t"
103 " li $s4, 0 \n\t"
104 " li $s5, 0 \n\t"
105 " li $s6, 0 \n\t"
106 " li $s7, 0 \n\t"
107 " li $t8, 0 \n\t"
108 " jrc $t9 \n\t" // jump to dst
109 " break 0x7 \n" // should never get here
110 ".previous\n"
111 );
112
113 /*
114 Perform a clone system call. clone is strange because it has
115 fork()-like return-twice semantics, so it needs special
116 handling here.
117 Upon entry, we have:
118 int (fn)(void*) in $a0 0
119 void* child_stack in $a1 4
120 int flags in $a2 8
121 void* arg in $a3 12
122 pid_t* child_tid in $a4 16
123 pid_t* parent_tid in $a5 20
124 void* tls_ptr in $a6 24
125
126 System call requires:
127 int $__NR_clone in $t4
128 int flags in $a0 0
129 void* child_stack in $a1 4
130 pid_t* parent_tid in $a2 8
131 void* tls_ptr in $a3 12
132 pid_t* child_tid in $a4 16
133
134 int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg,
135 void *parent_tidptr, void *tls, void *child_tidptr)
136
137 Returns an Int encoded in the linux-mips way, not a SysRes.
138 */
139 #define __NR_CLONE VG_STRINGIFY(__NR_clone)
140 #define __NR_EXIT VG_STRINGIFY(__NR_exit)
141
142 // See priv_syswrap-linux.h for arg profile.
143 asm (
144 " .text \n"
145 " .set noreorder \n"
146 " .set nomacro \n"
147 " .globl do_syscall_clone_nanomips_linux \n"
148 " do_syscall_clone_nanomips_linux: \n\t"
149 " addiu $sp, $sp, -16 \n\t"
150 " sw $ra, 0($sp) \n\t"
151 " sw $fp, 4($sp) \n\t"
152 " sw $gp, 8($sp) \n\t"
153
154 " addiu $a1, $a1, -16 \n\t"
155 " sw $a0, 0($a1) \n\t" /* fn */
156 " sw $a3, 4($a1) \n\t" /* arg */
157
158 /* 1. arg for syscalls */
159 " move $a0, $a2 \n\t" /* flags */
160 " move $a2, $a5 \n\t" /* parent */
161 " move $a3, $a6 \n\t" /* tls */
162
163 /* 2. do a syscall to clone */
164 " li $t4, " __NR_CLONE "\n\t" /* __NR_clone */
165 " syscall[32] \n\t"
166
167 /* 3. See if we are a child, call fn and after that exit */
168 " bnezc $a0, p_or_error \n\t"
169
170 " lw $t9, 0($sp) \n\t"
171 " lw $a0, 4($sp) \n\t"
172 " jalrc $t9 \n\t"
173
174 " li $t4, " __NR_EXIT "\n\t" /* NR_exit */
175 " syscall[32] \n"
176
177 /* 4. If we are parent or error, just return to caller */
178 " p_or_error: \n\t"
179 " lw $ra, 0($sp) \n\t"
180 " lw $fp, 4($sp) \n\t"
181 " lw $gp, 8($sp) \n\t"
182 " addiu $sp, $sp, 16 \n\t"
183
184 " jrc $ra\n"
185 " .previous\n"
186 );
187
188 #undef __NR_CLONE
189 #undef __NR_EXIT
190
191 // forward declarations
192 static SysRes sys_set_tls (ThreadId tid, Addr tlsptr);
193 static SysRes nanomips_PRE_sys_mmap (ThreadId tid,
194 UWord arg1, UWord arg2, UWord arg3,
195 UWord arg4, UWord arg5, Off64T arg6);
196 /* ---------------------------------------------------------------------
197 More thread stuff
198 ------------------------------------------------------------------ */
199
200 // MIPS doesn't have any architecture specific thread stuff that
201 // needs to be cleaned up
202 void
203 VG_ (cleanup_thread) (ThreadArchState * arch) { }
204
205 SysRes sys_set_tls ( ThreadId tid, Addr tlsptr )
206 {
207 VG_(threads)[tid].arch.vex.guest_ULR = tlsptr;
208 return VG_(mk_SysRes_Success)( 0 );
209 }
210
211 /* ---------------------------------------------------------------------
212 mips handler for mmap and mmap2
213 ------------------------------------------------------------------ */
214 static void notify_core_of_mmap(Addr a, SizeT len, UInt prot,
215 UInt flags, Int fd, Off64T offset)
216 {
217 Bool d;
218
219 /* 'a' is the return value from a real kernel mmap, hence: */
220 vg_assert(VG_IS_PAGE_ALIGNED(a));
221 /* whereas len is whatever the syscall supplied. So: */
222 len = VG_PGROUNDUP(len);
223
224 d = VG_(am_notify_client_mmap)( a, len, prot, flags, fd, offset );
225
226 if (d)
227 VG_(discard_translations)( a, (ULong)len,
228 "notify_core_of_mmap" );
229 }
230
231 static void notify_tool_of_mmap(Addr a, SizeT len, UInt prot, ULong di_handle)
232 {
233 Bool rr, ww, xx;
234
235 /* 'a' is the return value from a real kernel mmap, hence: */
236 vg_assert(VG_IS_PAGE_ALIGNED(a));
237 /* whereas len is whatever the syscall supplied. So: */
238 len = VG_PGROUNDUP(len);
239
240 rr = toBool(prot & VKI_PROT_READ);
241 ww = toBool(prot & VKI_PROT_WRITE);
242 xx = toBool(prot & VKI_PROT_EXEC);
243
244 VG_TRACK( new_mem_mmap, a, len, rr, ww, xx, di_handle );
245 }
246
247 /* Based on ML_(generic_PRE_sys_mmap) from syswrap-generic.c.
248 If we are trying to do mmap with VKI_MAP_SHARED flag we need to align the
249 start address on VKI_SHMLBA like we did in
250 VG_(am_mmap_file_float_valgrind_flags)
251 */
252 static SysRes nanomips_PRE_sys_mmap(ThreadId tid,
253 UWord arg1, UWord arg2, UWord arg3,
254 UWord arg4, UWord arg5, Off64T arg6)
255 {
256 Addr advised;
257 SysRes sres;
258 MapRequest mreq;
259 Bool mreq_ok;
260
261 if (arg2 == 0) {
262 /* SuSV3 says: If len is zero, mmap() shall fail and no mapping
263 shall be established. */
264 return VG_(mk_SysRes_Error)( VKI_EINVAL );
265 }
266
267 if (!VG_IS_PAGE_ALIGNED(arg1)) {
268 /* zap any misaligned addresses. */
269 /* SuSV3 says misaligned addresses only cause the MAP_FIXED case
270 to fail. Here, we catch them all. */
271 return VG_(mk_SysRes_Error)( VKI_EINVAL );
272 }
273
274 if (!VG_IS_PAGE_ALIGNED(arg6)) {
275 /* zap any misaligned offsets. */
276 /* SuSV3 says: The off argument is constrained to be aligned and
277 sized according to the value returned by sysconf() when
278 passed _SC_PAGESIZE or _SC_PAGE_SIZE. */
279 return VG_(mk_SysRes_Error)( VKI_EINVAL );
280 }
281
282 /* Figure out what kind of allocation constraints there are
283 (fixed/hint/any), and ask aspacem what we should do. */
284 mreq.start = arg1;
285 mreq.len = arg2;
286
287 if (arg4 & VKI_MAP_FIXED) {
288 mreq.rkind = MFixed;
289 } else if (arg1 != 0) {
290 mreq.rkind = MHint;
291 } else {
292 mreq.rkind = MAny;
293 }
294
295 if ((VKI_SHMLBA > VKI_PAGE_SIZE) && (VKI_MAP_SHARED & arg4)
296 && !(VKI_MAP_FIXED & arg4))
297 mreq.len = arg2 + VKI_SHMLBA - VKI_PAGE_SIZE;
298
299 /* Enquire ... */
300 advised = VG_(am_get_advisory)( &mreq, True/*client*/, &mreq_ok );
301
302 if ((VKI_SHMLBA > VKI_PAGE_SIZE) && (VKI_MAP_SHARED & arg4)
303 && !(VKI_MAP_FIXED & arg4))
304 advised = VG_ROUNDUP(advised, VKI_SHMLBA);
305
306 if (!mreq_ok) {
307 /* Our request was bounced, so we'd better fail. */
308 return VG_(mk_SysRes_Error)( VKI_EINVAL );
309 }
310
311 /* Otherwise we're OK (so far). Install aspacem's choice of
312 address, and let the mmap go through. */
313 sres = VG_(am_do_mmap_NO_NOTIFY)(advised, arg2, arg3,
314 arg4 | VKI_MAP_FIXED,
315 arg5, arg6);
316
317 /* A refinement: it may be that the kernel refused aspacem's choice
318 of address. If we were originally asked for a hinted mapping,
319 there is still a last chance: try again at any address.
320 Hence: */
321 if (mreq.rkind == MHint && sr_isError(sres)) {
322 mreq.start = 0;
323 mreq.len = arg2;
324 mreq.rkind = MAny;
325 advised = VG_(am_get_advisory)( &mreq, True/*client*/, &mreq_ok );
326
327 if (!mreq_ok) {
328 /* Our request was bounced, so we'd better fail. */
329 return VG_(mk_SysRes_Error)( VKI_EINVAL );
330 }
331
332 /* and try again with the kernel */
333 sres = VG_(am_do_mmap_NO_NOTIFY)(advised, arg2, arg3,
334 arg4 | VKI_MAP_FIXED,
335 arg5, arg6);
336 }
337
338 if (!sr_isError(sres)) {
339 ULong di_handle;
340 /* Notify aspacem. */
341 notify_core_of_mmap(
342 (Addr)sr_Res(sres), /* addr kernel actually assigned */
343 arg2, /* length */
344 arg3, /* prot */
345 arg4, /* the original flags value */
346 arg5, /* fd */
347 arg6 /* offset */
348 );
349 /* Load symbols? */
350 di_handle = VG_(di_notify_mmap)( (Addr)sr_Res(sres),
351 False/*allow_SkFileV*/, (Int)arg5 );
352 /* Notify the tool. */
353 notify_tool_of_mmap(
354 (Addr)sr_Res(sres), /* addr kernel actually assigned */
355 arg2, /* length */
356 arg3, /* prot */
357 di_handle /* so the tool can refer to the read debuginfo later,
358 if it wants. */
359 );
360 }
361
362 /* Stay sane */
363 if (!sr_isError(sres) && (arg4 & VKI_MAP_FIXED))
364 vg_assert(sr_Res(sres) == arg1);
365
366 return sres;
367 }
368 /* ---------------------------------------------------------------------
369 PRE/POST wrappers for mips/Linux-specific syscalls
370 ------------------------------------------------------------------ */
371 #define PRE(name) DEFN_PRE_TEMPLATE(mips_linux, name)
372 #define POST(name) DEFN_POST_TEMPLATE(mips_linux, name)
373
374 /* Add prototypes for the wrappers declared here, so that gcc doesn't
375 harass us for not having prototypes. Really this is a kludge --
376 the right thing to do is to make these wrappers 'static' since they
377 aren't visible outside this file, but that requires even more macro
378 magic. */
379 DECL_TEMPLATE (mips_linux, sys_mmap2);
380 DECL_TEMPLATE (mips_linux, sys_rt_sigreturn);
381 DECL_TEMPLATE (mips_linux, sys_set_thread_area);
382 DECL_TEMPLATE (mips_linux, sys_ptrace);
383 DECL_TEMPLATE (mips_linux, sys_unshare);
384 DECL_TEMPLATE (mips_linux, sys_reboot);
385 DECL_TEMPLATE (mips_linux, sys_setdomainname);
386 DECL_TEMPLATE (mips_linux, sys_sethostname);
387 DECL_TEMPLATE (mips_linux, sys_swapon);
388 DECL_TEMPLATE (mips_linux, sys_swapoff);
389
390 PRE(sys_mmap2)
391 {
392 /* Exactly like sys_mmap() except the file offset is specified in 4096 byte
393 units rather than bytes, so that it can be used for files bigger than
394 2^32 bytes. */
395 SysRes r;
396 PRINT("sys_mmap2 ( %#lx, %lu, %ld, %ld, %ld, %ld )",
397 ARG1, ARG2, SARG3, SARG4, SARG5, SARG6);
398 PRE_REG_READ6(long, "mmap2", unsigned long, start, unsigned long, length,
399 unsigned long, prot, unsigned long, flags,
400 unsigned long, fd, unsigned long, offset);
401 r = nanomips_PRE_sys_mmap(tid, ARG1, ARG2, ARG3, ARG4, ARG5,
402 4096 * (Off64T) ARG6);
403 SET_STATUS_from_SysRes(r);
404 }
405
406 PRE(sys_ptrace)
407 {
408 PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", SARG1, SARG2, ARG3, ARG4);
409 PRE_REG_READ4(int, "ptrace",
410 long, request, long, pid, unsigned long, addr,
411 unsigned long, data);
412
413 switch (ARG1) {
414 case VKI_PTRACE_PEEKTEXT:
415 case VKI_PTRACE_PEEKDATA:
416 case VKI_PTRACE_PEEKUSR:
417 PRE_MEM_WRITE("ptrace(peek)", ARG4, sizeof(long));
418 break;
419
420 case VKI_PTRACE_GETEVENTMSG:
421 PRE_MEM_WRITE("ptrace(geteventmsg)", ARG4, sizeof(unsigned long));
422 break;
423
424 case VKI_PTRACE_GETSIGINFO:
425 PRE_MEM_WRITE("ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t));
426 break;
427
428 case VKI_PTRACE_SETSIGINFO:
429 PRE_MEM_READ("ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t));
430 break;
431
432 case VKI_PTRACE_GETREGSET:
433 ML_(linux_PRE_getregset)(tid, ARG3, ARG4);
434 break;
435
436 default:
437 break;
438 }
439 }
440
441 POST(sys_ptrace)
442 {
443 switch (ARG1) {
444 case VKI_PTRACE_TRACEME:
445 ML_(linux_POST_traceme)(tid);
446 break;
447
448 case VKI_PTRACE_PEEKTEXT:
449 case VKI_PTRACE_PEEKDATA:
450 case VKI_PTRACE_PEEKUSR:
451 POST_MEM_WRITE (ARG4, sizeof(long));
452 break;
453
454 case VKI_PTRACE_GETEVENTMSG:
455 POST_MEM_WRITE (ARG4, sizeof(unsigned long));
456 break;
457
458 case VKI_PTRACE_GETSIGINFO:
459 POST_MEM_WRITE (ARG4, sizeof(vki_siginfo_t));
460 break;
461
462 case VKI_PTRACE_GETREGSET:
463 ML_(linux_POST_getregset)(tid, ARG3, ARG4);
464 break;
465
466 default:
467 break;
468 }
469 }
470
471 PRE(sys_rt_sigreturn)
472 {
473 ThreadState* tst;
474 PRINT ("rt_sigreturn ( )");
475 vg_assert (VG_ (is_valid_tid) (tid));
476 vg_assert (tid >= 1 && tid < VG_N_THREADS);
477 vg_assert (VG_ (is_running_thread) (tid));
478
479 tst = VG_(get_ThreadState)(tid);
480
481 ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
482
483 /* Restore register state from frame and remove it */
484 VG_ (sigframe_destroy) (tid, True);
485 /* Tell the driver not to update the guest state with the "result",
486 and set a bogus result to keep it happy. */
487 *flags |= SfNoWriteResult;
488 SET_STATUS_Success (0);
489 /* Check to see if any signals arose as a result of this. */
490 *flags |= SfPollAfter;
491 }
492
493 PRE(sys_set_thread_area)
494 {
495 PRINT ("set_thread_area (%lx)", ARG1);
496 PRE_REG_READ1(long, "set_thread_area", unsigned long, addr);
497 SET_STATUS_from_SysRes( sys_set_tls( tid, ARG1 ) );
498 }
499
500 PRE(sys_unshare)
501 {
502 PRINT("sys_unshare ( %lu )", ARG1);
503 PRE_REG_READ1(long, "sys_unshare", unsigned long, flags);
504 }
505
506 PRE(sys_reboot)
507 {
508 PRINT("sys_reboot ( %ld, %lu, %lu, %#lx )", SARG1, ARG2, ARG3, ARG4);
509 // An approximation. ARG4 is only read conditionally by the kernel
510 PRE_REG_READ4(int, "reboot",
511 int, magic1, int, magic2, unsigned int, cmd,
512 void *, arg);
513
514 *flags |= SfMayBlock;
515 }
516
517 PRE(sys_setdomainname)
518 {
519 PRINT ("sys_setdomainname ( %#lx, %ld )", ARG1, SARG2);
520 PRE_REG_READ2 (long, "setdomainname", const void *, name, int, len);
521 }
522
523 PRE(sys_sethostname)
524 {
525 PRINT ("sys_sethostname ( %#lx, %ld )", ARG1, SARG2);
526 PRE_REG_READ2 (long, "sethostname", const void *, name, int, len);
527 }
528
529 PRE(sys_swapon)
530 {
531 PRINT("sys_swapon ( %#lx, %#lx )", ARG1, ARG2);
532 PRE_REG_READ2(long, "swapon", const void *, path, int, flags);
533 }
534
535 PRE(sys_swapoff)
536 {
537 PRINT("sys_swapoff ( %#lx )", ARG1);
538 PRE_REG_READ1(long, "swapoff", const void *, path);
539 }
540
541 #undef PRE
542 #undef POST
543
544 /* ---------------------------------------------------------------------
545 The mips/Linux syscall table
546 ------------------------------------------------------------------ */
547 #define PLAX_(sysno, name) WRAPPER_ENTRY_X_(mips_linux, sysno, name)
548 #define PLAXY(sysno, name) WRAPPER_ENTRY_XY(mips_linux, sysno, name)
549
550 // This table maps from __NR_xxx syscall numbers (from
551 // linux/include/asm-mips/unistd.h) to the appropriate PRE/POST sys_foo()
552 // wrappers on mips (as per sys_call_table in linux/arch/mips/kernel/entry.S).
553 //
554
555 // For those syscalls not handled by Valgrind, the annotation indicate its
556 // arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/?
557 // (unknown).
558
559 static SyscallTableEntry syscall_main_table[] = {
560 LINXY (__NR_io_setup, sys_io_setup),
561 LINX_ (__NR_io_destroy, sys_io_destroy),
562 LINX_ (__NR_io_submit, sys_io_submit),
563 LINXY (__NR_io_cancel, sys_io_cancel),
564 LINXY (__NR_io_getevents, sys_io_getevents),
565 LINX_ (__NR_setxattr, sys_setxattr),
566 LINX_ (__NR_lsetxattr, sys_lsetxattr),
567 LINX_ (__NR_fsetxattr, sys_fsetxattr),
568 LINXY (__NR_getxattr, sys_getxattr),
569 LINXY (__NR_lgetxattr, sys_lgetxattr),
570 LINXY (__NR_fgetxattr, sys_fgetxattr),
571 LINXY (__NR_listxattr, sys_listxattr),
572 LINXY (__NR_llistxattr, sys_llistxattr),
573 LINXY (__NR_flistxattr, sys_flistxattr),
574 LINX_ (__NR_removexattr, sys_removexattr),
575 LINX_ (__NR_lremovexattr, sys_lremovexattr),
576 LINX_ (__NR_fremovexattr, sys_fremovexattr),
577 GENXY (__NR_getcwd, sys_getcwd),
578 LINXY (__NR_lookup_dcookie, sys_lookup_dcookie),
579 LINXY (__NR_eventfd2, sys_eventfd2),
580 LINXY (__NR_epoll_create1, sys_epoll_create1),
581 LINX_ (__NR_epoll_ctl, sys_epoll_ctl),
582 LINXY (__NR_epoll_pwait, sys_epoll_pwait),
583 GENXY (__NR_dup, sys_dup),
584 LINXY (__NR_dup3, sys_dup3),
585 LINXY (__NR_fcntl64, sys_fcntl64),
586 LINXY (__NR_inotify_init1, sys_inotify_init1),
587 LINX_ (__NR_inotify_add_watch, sys_inotify_add_watch),
588 LINX_ (__NR_inotify_rm_watch, sys_inotify_rm_watch),
589 LINXY (__NR_ioctl, sys_ioctl),
590 LINX_ (__NR_ioprio_set, sys_ioprio_set),
591 LINX_ (__NR_ioprio_get, sys_ioprio_get),
592 GENX_ (__NR_flock, sys_flock),
593 LINX_ (__NR_mknodat, sys_mknodat),
594 LINX_ (__NR_mkdirat, sys_mkdirat),
595 LINX_ (__NR_unlinkat, sys_unlinkat),
596 LINX_ (__NR_symlinkat, sys_symlinkat),
597 LINX_ (__NR_linkat, sys_linkat),
598 LINX_ (__NR_umount2, sys_umount),
599 LINX_ (__NR_mount, sys_mount),
600 LINX_ (__NR_pivot_root, sys_pivot_root),
601 GENX_ (__NR_truncate64, sys_truncate64),
602 GENX_ (__NR_ftruncate64, sys_ftruncate64),
603 LINX_ (__NR_fallocate, sys_fallocate),
604 LINX_ (__NR_faccessat, sys_faccessat),
605 GENX_ (__NR_chdir, sys_chdir),
606 GENX_ (__NR_fchdir, sys_fchdir),
607 GENX_ (__NR_chroot, sys_chroot),
608 GENX_ (__NR_fchmod, sys_fchmod),
609 LINX_ (__NR_fchmodat, sys_fchmodat),
610 LINX_ (__NR_fchownat, sys_fchownat),
611 GENX_ (__NR_fchown, sys_fchown),
612 LINXY (__NR_openat, sys_openat),
613 GENXY (__NR_close, sys_close),
614 LINX_ (__NR_vhangup, sys_vhangup),
615 LINXY (__NR_pipe2, sys_pipe2),
616 LINX_ (__NR_quotactl, sys_quotactl),
617 GENXY (__NR_getdents64, sys_getdents64),
618 LINXY (__NR__llseek, sys_llseek),
619 GENXY (__NR_read, sys_read),
620 GENX_ (__NR_write, sys_write),
621 GENXY (__NR_readv, sys_readv),
622 GENX_ (__NR_writev, sys_writev),
623 GENXY (__NR_pread64, sys_pread64),
624 GENX_ (__NR_pwrite64, sys_pwrite64),
625 LINXY (__NR_preadv, sys_preadv),
626 LINX_ (__NR_pwritev, sys_pwritev),
627 LINXY (__NR_sendfile64, sys_sendfile64),
628 LINXY (__NR_pselect6, sys_pselect6),
629 LINXY (__NR_ppoll, sys_ppoll),
630 LINXY (__NR_signalfd4, sys_signalfd4),
631 LINX_ (__NR_vmsplice, sys_vmsplice),
632 LINX_ (__NR_splice, sys_splice),
633 LINX_ (__NR_tee, sys_tee),
634 LINX_ (__NR_readlinkat, sys_readlinkat),
635 GENX_ (__NR_sync, sys_sync),
636 GENX_ (__NR_fsync, sys_fsync),
637 GENX_ (__NR_fdatasync, sys_fdatasync),
638 LINX_ (__NR_sync_file_range2, sys_sync_file_range2),
639 LINXY (__NR_timerfd_create, sys_timerfd_create),
640 LINXY (__NR_timerfd_settime, sys_timerfd_settime),
641 LINXY (__NR_timerfd_gettime, sys_timerfd_gettime),
642 LINX_ (__NR_utimensat, sys_utimensat),
643 GENX_ (__NR_acct, sys_acct),
644 LINXY (__NR_capget, sys_capget),
645 LINX_ (__NR_capset, sys_capset),
646 LINX_ (__NR_personality, sys_personality),
647 GENX_ (__NR_exit, sys_exit),
648 LINX_ (__NR_exit_group, sys_exit_group),
649 LINXY (__NR_waitid, sys_waitid),
650 LINX_ (__NR_set_tid_address, sys_set_tid_address),
651 PLAX_ (__NR_unshare, sys_unshare),
652 LINXY (__NR_futex, sys_futex),
653 LINX_ (__NR_set_robust_list, sys_set_robust_list),
654 LINXY (__NR_get_robust_list, sys_get_robust_list),
655 GENXY (__NR_nanosleep, sys_nanosleep),
656 GENXY (__NR_getitimer, sys_getitimer),
657 GENXY (__NR_setitimer, sys_setitimer),
658 GENX_ (__NR_kexec_load, sys_ni_syscall),
659 LINX_ (__NR_init_module, sys_init_module),
660 LINX_ (__NR_delete_module, sys_delete_module),
661 LINXY (__NR_timer_create, sys_timer_create),
662 LINXY (__NR_timer_gettime, sys_timer_gettime),
663 LINX_ (__NR_timer_getoverrun, sys_timer_getoverrun),
664 LINXY (__NR_timer_settime, sys_timer_settime),
665 LINX_ (__NR_timer_delete, sys_timer_delete),
666 LINX_ (__NR_clock_settime, sys_clock_settime),
667 LINXY (__NR_clock_gettime, sys_clock_gettime),
668 LINXY (__NR_clock_getres, sys_clock_getres),
669 LINXY (__NR_clock_nanosleep, sys_clock_nanosleep),
670 LINXY (__NR_syslog, sys_syslog),
671 PLAXY (__NR_ptrace, sys_ptrace),
672 LINXY (__NR_sched_setparam, sys_sched_setparam),
673 LINX_ (__NR_sched_setscheduler, sys_sched_setscheduler),
674 LINX_ (__NR_sched_getscheduler, sys_sched_getscheduler),
675 LINXY (__NR_sched_getparam, sys_sched_getparam),
676 LINX_ (__NR_sched_setaffinity, sys_sched_setaffinity),
677 LINXY (__NR_sched_getaffinity, sys_sched_getaffinity),
678 LINX_ (__NR_sched_yield, sys_sched_yield),
679 LINX_ (__NR_sched_get_priority_max, sys_sched_get_priority_max),
680 LINX_ (__NR_sched_get_priority_min, sys_sched_get_priority_min),
681 LINX_ (__NR_sched_rr_get_interval, sys_sched_rr_get_interval),
682 GENX_ (__NR_kill, sys_kill),
683 LINXY (__NR_tkill, sys_tkill),
684 LINXY (__NR_tgkill, sys_tgkill),
685 GENXY (__NR_sigaltstack, sys_sigaltstack),
686 LINX_ (__NR_rt_sigsuspend, sys_rt_sigsuspend),
687 LINXY (__NR_rt_sigaction, sys_rt_sigaction),
688 LINXY (__NR_rt_sigprocmask, sys_rt_sigprocmask),
689 LINXY (__NR_rt_sigpending, sys_rt_sigpending),
690 LINXY (__NR_rt_sigtimedwait, sys_rt_sigtimedwait),
691 LINXY (__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo),
692 PLAX_ (__NR_rt_sigreturn, sys_rt_sigreturn),
693 GENX_ (__NR_setpriority, sys_setpriority),
694 GENX_ (__NR_getpriority, sys_getpriority),
695 PLAX_ (__NR_reboot, sys_reboot),
696 GENX_ (__NR_setregid, sys_setregid),
697 GENX_ (__NR_setgid, sys_setgid),
698 GENX_ (__NR_setreuid, sys_setreuid),
699 GENX_ (__NR_setuid, sys_setuid),
700 LINX_ (__NR_setresuid, sys_setresuid),
701 LINXY (__NR_getresuid, sys_getresuid),
702 LINX_ (__NR_setresgid, sys_setresgid),
703 LINXY (__NR_getresgid, sys_getresgid),
704 LINX_ (__NR_setfsuid, sys_setfsuid),
705 LINX_ (__NR_setfsgid, sys_setfsgid),
706 GENXY (__NR_times, sys_times),
707 GENX_ (__NR_setpgid, sys_setpgid),
708 GENX_ (__NR_getpgid, sys_getpgid),
709 GENX_ (__NR_getsid, sys_getsid),
710 GENX_ (__NR_setsid, sys_setsid),
711 GENXY (__NR_getgroups, sys_getgroups),
712 GENX_ (__NR_setgroups, sys_setgroups),
713 GENXY (__NR_uname, sys_newuname),
714 PLAX_ (__NR_sethostname, sys_sethostname),
715 PLAX_ (__NR_setdomainname, sys_setdomainname),
716 GENXY (__NR_getrusage, sys_getrusage),
717 GENX_ (__NR_umask, sys_umask),
718 LINXY (__NR_prctl, sys_prctl),
719 LINXY (__NR_getcpu, sys_getcpu),
720 GENXY (__NR_gettimeofday, sys_gettimeofday),
721 GENX_ (__NR_settimeofday, sys_settimeofday),
722 LINXY (__NR_adjtimex, sys_adjtimex),
723 GENX_ (__NR_getpid, sys_getpid),
724 GENX_ (__NR_getppid, sys_getppid),
725 GENX_ (__NR_getuid, sys_getuid),
726 GENX_ (__NR_geteuid, sys_geteuid),
727 GENX_ (__NR_getgid, sys_getgid),
728 GENX_ (__NR_getegid, sys_getegid),
729 LINX_ (__NR_gettid, sys_gettid),
730 LINXY (__NR_sysinfo, sys_sysinfo),
731 LINXY (__NR_mq_open, sys_mq_open),
732 LINX_ (__NR_mq_unlink, sys_mq_unlink),
733 LINX_ (__NR_mq_timedsend, sys_mq_timedsend),
734 LINXY (__NR_mq_timedreceive, sys_mq_timedreceive),
735 LINX_ (__NR_mq_notify, sys_mq_notify),
736 LINXY (__NR_mq_getsetattr, sys_mq_getsetattr),
737 LINX_ (__NR_msgget, sys_msgget),
738 LINXY (__NR_msgctl, sys_msgctl),
739 LINXY (__NR_msgrcv, sys_msgrcv),
740 LINX_ (__NR_msgsnd, sys_msgsnd),
741 LINX_ (__NR_semget, sys_semget),
742 LINXY (__NR_semctl, sys_semctl),
743 LINX_ (__NR_semtimedop, sys_semtimedop),
744 LINX_ (__NR_semop, sys_semop),
745 LINX_ (__NR_shmget, sys_shmget),
746 LINXY (__NR_shmctl, sys_shmctl),
747 LINXY (__NR_shmat, sys_shmat),
748 LINXY (__NR_shmdt, sys_shmdt),
749 LINXY (__NR_socket, sys_socket),
750 LINXY (__NR_socketpair, sys_socketpair),
751 LINX_ (__NR_bind, sys_bind),
752 LINX_ (__NR_listen, sys_listen),
753 LINXY (__NR_accept, sys_accept),
754 LINX_ (__NR_connect, sys_connect),
755 LINXY (__NR_getsockname, sys_getsockname),
756 LINXY (__NR_getpeername, sys_getpeername),
757 LINX_ (__NR_sendto, sys_sendto),
758 LINXY (__NR_recvfrom, sys_recvfrom),
759 LINX_ (__NR_setsockopt, sys_setsockopt),
760 LINXY (__NR_getsockopt, sys_getsockopt),
761 LINX_ (__NR_shutdown, sys_shutdown),
762 LINX_ (__NR_sendmsg, sys_sendmsg),
763 LINXY (__NR_recvmsg, sys_recvmsg),
764 LINX_ (__NR_readahead, sys_readahead),
765 GENX_ (__NR_brk, sys_brk),
766 GENXY (__NR_munmap, sys_munmap),
767 GENX_ (__NR_mremap, sys_mremap),
768 LINX_ (__NR_add_key, sys_add_key),
769 LINX_ (__NR_request_key, sys_request_key),
770 LINXY (__NR_keyctl, sys_keyctl),
771 LINX_ (__NR_clone, sys_clone),
772 GENX_ (__NR_execve, sys_execve),
773 PLAX_ (__NR_mmap2, sys_mmap2),
774 LINX_ (__NR_fadvise64_64, sys_fadvise64_64),
775 PLAX_ (__NR_swapon, sys_swapon),
776 PLAX_ (__NR_swapoff, sys_swapoff),
777 GENXY (__NR_mprotect, sys_mprotect),
778 GENX_ (__NR_msync, sys_msync),
779 GENX_ (__NR_mlock, sys_mlock),
780 GENX_ (__NR_munlock, sys_munlock),
781 GENX_ (__NR_mlockall, sys_mlockall),
782 LINX_ (__NR_munlockall, sys_munlockall),
783 GENXY (__NR_mincore, sys_mincore),
784 GENX_ (__NR_madvise, sys_madvise),
785 LINX_ (__NR_mbind, sys_mbind),
786 LINXY (__NR_get_mempolicy, sys_get_mempolicy),
787 LINX_ (__NR_set_mempolicy, sys_set_mempolicy),
788 LINXY (__NR_move_pages, sys_move_pages),
789 LINXY (__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo),
790 LINXY (__NR_perf_event_open, sys_perf_event_open),
791 LINXY (__NR_accept4, sys_accept4),
792 LINXY (__NR_recvmmsg, sys_recvmmsg),
793 PLAX_ (__NR_set_thread_area, sys_set_thread_area),
794 GENXY (__NR_wait4, sys_wait4),
795 LINXY (__NR_prlimit64, sys_prlimit64),
796 LINXY (__NR_fanotify_init, sys_fanotify_init),
797 LINX_ (__NR_fanotify_mark, sys_fanotify_mark),
798 LINXY (__NR_name_to_handle_at, sys_name_to_handle_at),
799 LINXY (__NR_open_by_handle_at, sys_open_by_handle_at),
800 LINXY (__NR_clock_adjtime, sys_clock_adjtime),
801 LINX_ (__NR_syncfs, sys_syncfs),
802 LINXY (__NR_sendmmsg, sys_sendmmsg),
803 LINXY (__NR_process_vm_readv, sys_process_vm_readv),
804 LINX_ (__NR_process_vm_writev, sys_process_vm_writev),
805 LINX_ (__NR_kcmp, sys_kcmp),
806 LINX_ (__NR_renameat2, sys_renameat2),
807 LINX_ (__NR_sched_setattr, sys_sched_setattr),
808 LINXY (__NR_sched_getattr, sys_sched_getattr),
809 LINXY (__NR_getrandom, sys_getrandom),
810 LINXY (__NR_memfd_create, sys_memfd_create),
811 LINXY (__NR_statx, sys_statx),
812 LINX_ (__NR_setns, sys_setns),
813 // (__NR_bpf, sys_ni_syscall),
814 LINX_ (__NR_execveat, sys_execveat),
815 // (__NR_userfaultfd, sys_ni_syscall),
816 LINX_ (__NR_membarrier, sys_membarrier),
817 // (__NR_mlock2, sys_ni_syscall),
818 // (__NR_copy_file_range, sys_ni_syscall),
819 // (__NR_preadv2, sys_ni_syscall),
820 // (__NR_pwritev2, sys_ni_syscall),
821 // (__NR_pkey_mprotect, sys_ni_syscall),
822 // (__NR_pkey_alloc, sys_ni_syscall),
823 // (__NR_pkey_free, sys_ni_syscall),
824 LINXY (__NR_io_uring_setup, sys_io_uring_setup),
825 LINXY (__NR_io_uring_enter, sys_io_uring_enter),
826 LINXY (__NR_io_uring_register, sys_io_uring_register),
827 LINXY (__NR_pidfd_open, sys_pidfd_open),
828 GENX_ (__NR_clone3, sys_ni_syscall),
829 LINXY (__NR_close_range, sys_close_range),
830 LINXY(__NR_pidfd_getfd, sys_pidfd_getfd),
831 LINX_ (__NR_faccessat2, sys_faccessat2),
832 LINXY (__NR_epoll_pwait2, sys_epoll_pwait2),
833 };
834
835 SyscallTableEntry* ML_(get_linux_syscall_entry) (UInt sysno)
836 {
837 const UInt syscall_main_table_size
838 = sizeof (syscall_main_table) / sizeof (syscall_main_table[0]);
839
840 /* Is it in the contiguous initial section of the table? */
841 if (sysno < syscall_main_table_size) {
842 SyscallTableEntry * sys = &syscall_main_table[sysno];
843
844 if (sys->before == NULL)
845 return NULL; /* No entry. */
846 else
847 return sys;
848 }
849
850 /* Can't find a wrapper. */
851 return NULL;
852 }
853
854 #endif // defined(VGP_nanomips_linux)
855
856 /*--------------------------------------------------------------------*/
857 /*--- end syswrap-nanomips-linux.c ---*/
858 /*--------------------------------------------------------------------*/
Instrumentation framework for detecting many memory management and threading bugs, and profile your programs in detail.