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vgdb: Handle EAGAIN in read_buf
[valgrind.git] / coregrind / m_syswrap / syswrap-s390x-linux.c
bloba377cb73152d9aa3db7ecec83803c74b50b8d6db
1
2 /*--------------------------------------------------------------------*/
3 /*--- Platform-specific syscalls stuff. syswrap-s390x-linux.c ---*/
4 /*--------------------------------------------------------------------*/
5
6 /*
7 This file is part of Valgrind, a dynamic binary instrumentation
8 framework.
9
10 Copyright IBM Corp. 2010-2017
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 /* Contributed by Christian Borntraeger */
29
30 #if defined(VGP_s390x_linux)
31
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_mallocfree.h"
44 #include "pub_core_options.h"
45 #include "pub_core_scheduler.h"
46 #include "pub_core_sigframe.h" // For VG_(sigframe_destroy)()
47 #include "pub_core_signals.h"
48 #include "pub_core_syscall.h"
49 #include "pub_core_syswrap.h"
50 #include "pub_core_tooliface.h"
51
52 #include "priv_types_n_macros.h"
53 #include "priv_syswrap-generic.h" /* for decls of generic wrappers */
54 #include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */
55 #include "priv_syswrap-linux-variants.h" /* decls of linux variant wrappers */
56 #include "priv_syswrap-main.h"
57
58
59 /* ---------------------------------------------------------------------
60 clone() handling
61 ------------------------------------------------------------------ */
62
63 /* Call f(arg1), but first switch stacks, using 'stack' as the new
64 stack, and use 'retaddr' as f's return-to address. Also, clear all
65 the integer registers before entering f.
66 Thought: Why are we clearing the GPRs ? The callee pointed to by f
67 is a regular C function which will play by the ABI rules. So there is
68 no need to zero out the GPRs. If we assumed that f accesses registers at
69 will, then it would make sense to create a defined register state.
70 But then, why only for the GPRs and not the FPRs ? */
71 __attribute__((noreturn))
72 void ML_(call_on_new_stack_0_1) ( Addr stack,
73 Addr retaddr,
74 void (*f)(Word),
75 Word arg1 );
76 /* Upon entering this function we have the following setup:
77 r2 = stack
78 r3 = retaddr
79 r4 = f_desc
80 r5 = arg1
81 */
82 asm(
83 ".text\n"
84 ".align 4\n"
85 ".globl vgModuleLocal_call_on_new_stack_0_1\n"
86 ".type vgModuleLocal_call_on_new_stack_0_1, @function\n"
87 "vgModuleLocal_call_on_new_stack_0_1:\n"
88 " lgr %r15,%r2\n" // stack to r15
89 " lgr %r14,%r3\n" // retaddr to r14
90 " lgr %r2,%r5\n" // arg1 to r2
91 // zero all gprs to get a defined state
92 " lghi %r0,0\n"
93 " lghi %r1,0\n"
94 // r2 holds the argument for the callee
95 " lghi %r3,0\n"
96 // r4 holds the callee address
97 " lghi %r5,0\n"
98 " lghi %r6,0\n"
99 " lghi %r7,0\n"
100 " lghi %r8,0\n"
101 " lghi %r9,0\n"
102 " lghi %r10,0\n"
103 " lghi %r11,0\n"
104 " lghi %r12,0\n"
105 " lghi %r13,0\n"
106 // r14 holds the return address for the callee
107 // r15 is the stack pointer
108 " br %r4\n" // jump to f
109 ".previous\n"
110 );
111
112 /*
113 Perform a clone system call. clone is strange because it has
114 fork()-like return-twice semantics, so it needs special
115 handling here.
116
117 Upon entry, we have:
118 void* child_stack in r2
119 long flags in r3
120 int* parent_tid in r4
121 int* child_tid in r5
122 int* tls address in r6
123 Word (*fn)(void *) 160(r15)
124 void *arg 168(r15)
125
126 System call requires:
127 void* child_stack in r2 (sc arg1)
128 long flags in r3 (sc arg2)
129 int* parent_tid in r4 (sc arg3)
130 int* child_tid in r5 (sc arg4)
131 void* tlsaddr in r6 (sc arg5)
132
133 Returns a ULong encoded as: top half is %cr following syscall,
134 low half is syscall return value (r3).
135 */
136 #define __NR_CLONE VG_STRINGIFY(__NR_clone)
137 #define __NR_EXIT VG_STRINGIFY(__NR_exit)
138
139 // See priv_syswrap-linux.h for arg profile.
140 asm(
141 " .text\n"
142 " .align 4\n"
143 ".globl do_syscall_clone_s390x_linux\n"
144 "do_syscall_clone_s390x_linux:\n"
145 " lg %r1, 160(%r15)\n" // save fn from parent stack into r1
146 " lg %r0, 168(%r15)\n" // save arg from parent stack into r0
147 " aghi %r2, -160\n" // create stack frame for child
148 // all syscall parameters are already in place (r2-r6)
149 " svc " __NR_CLONE"\n" // clone()
150 " ltgr %r2,%r2\n" // child if retval == 0
151 " jne 1f\n"
152
153 // CHILD - call thread function
154 " lgr %r2, %r0\n" // get arg from r0
155 " basr %r14,%r1\n" // call fn
156
157 // exit. The result is already in r2
158 " svc " __NR_EXIT"\n"
159
160 // Exit returned?!
161 " j +2\n"
162
163 "1:\n" // PARENT or ERROR
164 " br %r14\n"
165 ".previous\n"
166 );
167
168 #undef __NR_CLONE
169 #undef __NR_EXIT
170
171 void VG_(cleanup_thread) ( ThreadArchState* arch )
172 {
173 /* only used on x86 for descriptor tables */
174 }
175
176 /* ---------------------------------------------------------------------
177 PRE/POST wrappers for s390x/Linux-specific syscalls
178 ------------------------------------------------------------------ */
179
180 #define PRE(name) DEFN_PRE_TEMPLATE(s390x_linux, name)
181 #define POST(name) DEFN_POST_TEMPLATE(s390x_linux, name)
182
183 /* Add prototypes for the wrappers declared here, so that gcc doesn't
184 harass us for not having prototypes. Really this is a kludge --
185 the right thing to do is to make these wrappers 'static' since they
186 aren't visible outside this file, but that requires even more macro
187 magic. */
188
189 DECL_TEMPLATE(s390x_linux, sys_ptrace);
190 DECL_TEMPLATE(s390x_linux, sys_mmap);
191 DECL_TEMPLATE(s390x_linux, sys_sigreturn);
192 DECL_TEMPLATE(s390x_linux, sys_rt_sigreturn);
193 DECL_TEMPLATE(s390x_linux, sys_fadvise64);
194
195 /* PEEK TEXT,DATA and USER are common to all architectures.
196 PEEKUSR_AREA and POKEUSR_AREA are special, having a memory area
197 containing the real addr, data, and len field pointed to by ARG3
198 instead of ARG4.
199 GETREGSET and SETREGSET use a struct iovec (pointed to by ARG4) for
200 the address and size of the user buffer. */
201
202 PRE(sys_ptrace)
203 {
204 PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", SARG1, SARG2, ARG3, ARG4);
205 PRE_REG_READ4(int, "ptrace",
206 long, request, long, pid, unsigned long, addr,
207 unsigned long, data);
208 switch (ARG1) {
209 case VKI_PTRACE_PEEKTEXT:
210 case VKI_PTRACE_PEEKDATA:
211 case VKI_PTRACE_PEEKUSR:
212 PRE_MEM_WRITE( "ptrace(peek)", ARG4,
213 sizeof (long));
214 break;
215 case VKI_PTRACE_GETEVENTMSG:
216 PRE_MEM_WRITE( "ptrace(geteventmsg)", ARG4, sizeof(unsigned long));
217 break;
218 case VKI_PTRACE_GETSIGINFO:
219 PRE_MEM_WRITE( "ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t));
220 break;
221 case VKI_PTRACE_SETSIGINFO:
222 PRE_MEM_READ( "ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t));
223 break;
224 case VKI_PTRACE_PEEKUSR_AREA:
225 {
226 vki_ptrace_area *pa;
227
228 /* Reads a part of the user area into memory at pa->process_addr */
229 pa = (vki_ptrace_area *) ARG3;
230 PRE_MEM_READ("ptrace(peekusrarea ptrace_area->len)",
231 (unsigned long) &pa->vki_len, sizeof(pa->vki_len));
232 PRE_MEM_READ("ptrace(peekusrarea ptrace_area->kernel_addr)",
233 (unsigned long) &pa->vki_kernel_addr, sizeof(pa->vki_kernel_addr));
234 PRE_MEM_READ("ptrace(peekusrarea ptrace_area->process_addr)",
235 (unsigned long) &pa->vki_process_addr, sizeof(pa->vki_process_addr));
236 PRE_MEM_WRITE("ptrace(peekusrarea *(ptrace_area->process_addr))",
237 pa->vki_process_addr, pa->vki_len);
238 break;
239 }
240 case VKI_PTRACE_POKEUSR_AREA:
241 {
242 vki_ptrace_area *pa;
243
244 /* Updates a part of the user area from memory at pa->process_addr */
245 pa = (vki_ptrace_area *) ARG3;
246 PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->len)",
247 (unsigned long) &pa->vki_len, sizeof(pa->vki_len));
248 PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->kernel_addr)",
249 (unsigned long) &pa->vki_kernel_addr,
250 sizeof(pa->vki_kernel_addr));
251 PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->process_addr)",
252 (unsigned long) &pa->vki_process_addr,
253 sizeof(pa->vki_process_addr));
254 PRE_MEM_READ("ptrace(pokeusrarea *(ptrace_area->process_addr))",
255 pa->vki_process_addr, pa->vki_len);
256 break;
257 }
258 case VKI_PTRACE_GETREGSET:
259 ML_(linux_PRE_getregset)(tid, ARG3, ARG4);
260 break;
261 case VKI_PTRACE_SETREGSET:
262 ML_(linux_PRE_setregset)(tid, ARG3, ARG4);
263 break;
264 default:
265 break;
266 }
267 }
268
269 POST(sys_ptrace)
270 {
271 switch (ARG1) {
272 case VKI_PTRACE_TRACEME:
273 ML_(linux_POST_traceme)(tid);
274 break;
275 case VKI_PTRACE_PEEKTEXT:
276 case VKI_PTRACE_PEEKDATA:
277 case VKI_PTRACE_PEEKUSR:
278 POST_MEM_WRITE( ARG4, sizeof (long));
279 break;
280 case VKI_PTRACE_GETEVENTMSG:
281 POST_MEM_WRITE( ARG4, sizeof(unsigned long));
282 break;
283 case VKI_PTRACE_GETSIGINFO:
284 /* XXX: This is a simplification. Different parts of the
285 * siginfo_t are valid depending on the type of signal.
286 */
287 POST_MEM_WRITE( ARG4, sizeof(vki_siginfo_t));
288 break;
289 case VKI_PTRACE_PEEKUSR_AREA:
290 {
291 vki_ptrace_area *pa;
292
293 pa = (vki_ptrace_area *) ARG3;
294 POST_MEM_WRITE(pa->vki_process_addr, pa->vki_len);
295 break;
296 }
297 case VKI_PTRACE_GETREGSET:
298 ML_(linux_POST_getregset)(tid, ARG3, ARG4);
299 break;
300 default:
301 break;
302 }
303 }
304
305 PRE(sys_mmap)
306 {
307 UWord a0, a1, a2, a3, a4, a5;
308 SysRes r;
309
310 UWord* args = (UWord*)ARG1;
311 PRE_REG_READ1(long, "sys_mmap", struct mmap_arg_struct *, args);
312 PRE_MEM_READ( "sys_mmap(args)", (Addr) args, 6*sizeof(UWord) );
313
314 a0 = args[0];
315 a1 = args[1];
316 a2 = args[2];
317 a3 = args[3];
318 a4 = args[4];
319 a5 = args[5];
320
321 PRINT("sys_mmap ( %#lx, %lu, %ld, %ld, %ld, %ld )",
322 a0, a1, (Word)a2, (Word)a3, (Word)a4, (Word)a5 );
323
324 r = ML_(generic_PRE_sys_mmap)( tid, a0, a1, a2, a3, a4, (Off64T)a5 );
325 SET_STATUS_from_SysRes(r);
326 }
327
328 PRE(sys_sigreturn)
329 {
330 ThreadState* tst;
331 PRINT("sys_sigreturn ( )");
332
333 vg_assert(VG_(is_valid_tid)(tid));
334 vg_assert(tid >= 1 && tid < VG_N_THREADS);
335 vg_assert(VG_(is_running_thread)(tid));
336
337 tst = VG_(get_ThreadState)(tid);
338
339 /* This is only so that the IA is (might be) useful to report if
340 something goes wrong in the sigreturn */
341 ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
342
343 /* Restore register state from frame and remove it */
344 VG_(sigframe_destroy)(tid, False);
345
346 /* Tell the driver not to update the guest state with the "result",
347 and set a bogus result to keep it happy. */
348 *flags |= SfNoWriteResult;
349 SET_STATUS_Success(0);
350
351 /* Check to see if any signals arose as a result of this. */
352 *flags |= SfPollAfter;
353 }
354
355
356 PRE(sys_rt_sigreturn)
357 {
358 /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for
359 an explanation of what follows. */
360
361 ThreadState* tst;
362 PRINT("sys_rt_sigreturn ( )");
363
364 vg_assert(VG_(is_valid_tid)(tid));
365 vg_assert(tid >= 1 && tid < VG_N_THREADS);
366 vg_assert(VG_(is_running_thread)(tid));
367
368 tst = VG_(get_ThreadState)(tid);
369
370 /* This is only so that the IA is (might be) useful to report if
371 something goes wrong in the sigreturn */
372 ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
373
374 /* Restore register state from frame and remove it */
375 VG_(sigframe_destroy)(tid, True);
376
377 /* Tell the driver not to update the guest state with the "result",
378 and set a bogus result to keep it happy. */
379 *flags |= SfNoWriteResult;
380 SET_STATUS_Success(0);
381
382 /* Check to see if any signals arose as a result of this. */
383 *flags |= SfPollAfter;
384 }
385
386 /* we cant use the LINX_ version for 64 bit */
387 PRE(sys_fadvise64)
388 {
389 PRINT("sys_fadvise64 ( %ld, %ld, %ld, %ld )", SARG1, SARG2, SARG3, SARG4);
390 PRE_REG_READ4(long, "fadvise64",
391 int, fd, vki_loff_t, offset, vki_loff_t, len, int, advice);
392 }
393
394 #undef PRE
395 #undef POST
396
397 /* ---------------------------------------------------------------------
398 The s390x/Linux syscall table
399 ------------------------------------------------------------------ */
400
401 /* Add an s390x-linux specific wrapper to a syscall table. */
402 #define PLAX_(sysno, name) WRAPPER_ENTRY_X_(s390x_linux, sysno, name)
403 #define PLAXY(sysno, name) WRAPPER_ENTRY_XY(s390x_linux, sysno, name)
404
405 // This table maps from __NR_xxx syscall numbers from
406 // linux/arch/s390/kernel/syscalls.S to the appropriate PRE/POST sys_foo()
407 // wrappers on s390x. There are several unused numbers, which are only
408 // defined on s390 (31bit mode) but no longer available on s390x (64 bit).
409 // For those syscalls not handled by Valgrind, the annotation indicate its
410 // arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/?
411 // (unknown).
412
413 static SyscallTableEntry syscall_table[] = {
414 GENX_(0, sys_ni_syscall), /* unimplemented (by the kernel) */ // 0
415 GENX_(__NR_exit, sys_exit), // 1
416 GENX_(__NR_fork, sys_fork), // 2
417 GENXY(__NR_read, sys_read), // 3
418 GENX_(__NR_write, sys_write), // 4
419
420 GENXY(__NR_open, sys_open), // 5
421 GENXY(__NR_close, sys_close), // 6
422 // ?????(__NR_restart_syscall, ), // 7
423 GENXY(__NR_creat, sys_creat), // 8
424 GENX_(__NR_link, sys_link), // 9
425
426 GENX_(__NR_unlink, sys_unlink), // 10
427 GENX_(__NR_execve, sys_execve), // 11
428 GENX_(__NR_chdir, sys_chdir), // 12
429 GENX_(13, sys_ni_syscall), /* unimplemented (by the kernel) */ // 13
430 GENX_(__NR_mknod, sys_mknod), // 14
431
432 GENX_(__NR_chmod, sys_chmod), // 15
433 GENX_(16, sys_ni_syscall), /* unimplemented (by the kernel) */ // 16
434 GENX_(17, sys_ni_syscall), /* unimplemented (by the kernel) */ // 17
435 GENX_(18, sys_ni_syscall), /* unimplemented (by the kernel) */ // 18
436 LINX_(__NR_lseek, sys_lseek), // 19
437
438 GENX_(__NR_getpid, sys_getpid), // 20
439 LINX_(__NR_mount, sys_mount), // 21
440 LINX_(__NR_umount, sys_oldumount), // 22
441 GENX_(23, sys_ni_syscall), /* unimplemented (by the kernel) */ // 23
442 GENX_(24, sys_ni_syscall), /* unimplemented (by the kernel) */ // 24
443
444 GENX_(25, sys_ni_syscall), /* unimplemented (by the kernel) */ // 25
445 PLAXY(__NR_ptrace, sys_ptrace), // 26
446 GENX_(__NR_alarm, sys_alarm), // 27
447 GENX_(28, sys_ni_syscall), /* unimplemented (by the kernel) */ // 28
448 GENX_(__NR_pause, sys_pause), // 29
449
450 LINX_(__NR_utime, sys_utime), // 30
451 GENX_(31, sys_ni_syscall), /* unimplemented (by the kernel) */ // 31
452 GENX_(32, sys_ni_syscall), /* unimplemented (by the kernel) */ // 32
453 GENX_(__NR_access, sys_access), // 33
454 GENX_(__NR_nice, sys_nice), // 34
455
456 GENX_(35, sys_ni_syscall), /* unimplemented (by the kernel) */ // 35
457 GENX_(__NR_sync, sys_sync), // 36
458 GENX_(__NR_kill, sys_kill), // 37
459 GENX_(__NR_rename, sys_rename), // 38
460 GENX_(__NR_mkdir, sys_mkdir), // 39
461
462 GENX_(__NR_rmdir, sys_rmdir), // 40
463 GENXY(__NR_dup, sys_dup), // 41
464 LINXY(__NR_pipe, sys_pipe), // 42
465 GENXY(__NR_times, sys_times), // 43
466 GENX_(44, sys_ni_syscall), /* unimplemented (by the kernel) */ // 44
467
468 GENX_(__NR_brk, sys_brk), // 45
469 GENX_(46, sys_ni_syscall), /* unimplemented (by the kernel) */ // 46
470 GENX_(47, sys_ni_syscall), /* unimplemented (by the kernel) */ // 47
471 // ?????(__NR_signal, ), // 48
472 GENX_(49, sys_ni_syscall), /* unimplemented (by the kernel) */ // 49
473
474 GENX_(50, sys_ni_syscall), /* unimplemented (by the kernel) */ // 50
475 GENX_(__NR_acct, sys_acct), // 51
476 LINX_(__NR_umount2, sys_umount), // 52
477 GENX_(53, sys_ni_syscall), /* unimplemented (by the kernel) */ // 53
478 LINXY(__NR_ioctl, sys_ioctl), // 54
479
480 LINXY(__NR_fcntl, sys_fcntl), // 55
481 GENX_(56, sys_ni_syscall), /* unimplemented (by the kernel) */ // 56
482 GENX_(__NR_setpgid, sys_setpgid), // 57
483 GENX_(58, sys_ni_syscall), /* unimplemented (by the kernel) */ // 58
484 GENX_(59, sys_ni_syscall), /* unimplemented (by the kernel) */ // 59
485
486 GENX_(__NR_umask, sys_umask), // 60
487 GENX_(__NR_chroot, sys_chroot), // 61
488 // ?????(__NR_ustat, sys_ustat), /* deprecated in favor of statfs */ // 62
489 GENXY(__NR_dup2, sys_dup2), // 63
490 GENX_(__NR_getppid, sys_getppid), // 64
491
492 GENX_(__NR_getpgrp, sys_getpgrp), // 65
493 GENX_(__NR_setsid, sys_setsid), // 66
494 // ?????(__NR_sigaction, ), /* userspace uses rt_sigaction */ // 67
495 GENX_(68, sys_ni_syscall), /* unimplemented (by the kernel) */ // 68
496 GENX_(69, sys_ni_syscall), /* unimplemented (by the kernel) */ // 69
497
498 GENX_(70, sys_ni_syscall), /* unimplemented (by the kernel) */ // 70
499 GENX_(71, sys_ni_syscall), /* unimplemented (by the kernel) */ // 71
500 // ?????(__NR_sigsuspend, ), // 72
501 // ?????(__NR_sigpending, ), // 73
502 // ?????(__NR_sethostname, ), // 74
503
504 GENX_(__NR_setrlimit, sys_setrlimit), // 75
505 GENXY(76, sys_getrlimit), /* see also 191 */ // 76
506 GENXY(__NR_getrusage, sys_getrusage), // 77
507 GENXY(__NR_gettimeofday, sys_gettimeofday), // 78
508 GENX_(__NR_settimeofday, sys_settimeofday), // 79
509
510 GENX_(80, sys_ni_syscall), /* unimplemented (by the kernel) */ // 80
511 GENX_(81, sys_ni_syscall), /* unimplemented (by the kernel) */ // 81
512 GENX_(82, sys_ni_syscall), /* unimplemented (by the kernel) */ // 82
513 GENX_(__NR_symlink, sys_symlink), // 83
514 GENX_(84, sys_ni_syscall), /* unimplemented (by the kernel) */ // 84
515
516 GENX_(__NR_readlink, sys_readlink), // 85
517 // ?????(__NR_uselib, ), // 86
518 // ?????(__NR_swapon, ), // 87
519 // ?????(__NR_reboot, ), // 88
520 GENX_(89, sys_ni_syscall), /* unimplemented (by the kernel) */ // 89
521
522 PLAX_(__NR_mmap, sys_mmap ), // 90
523 GENXY(__NR_munmap, sys_munmap), // 91
524 GENX_(__NR_truncate, sys_truncate), // 92
525 GENX_(__NR_ftruncate, sys_ftruncate), // 93
526 GENX_(__NR_fchmod, sys_fchmod), // 94
527
528 GENX_(95, sys_ni_syscall), /* unimplemented (by the kernel) */ // 95
529 GENX_(__NR_getpriority, sys_getpriority), // 96
530 GENX_(__NR_setpriority, sys_setpriority), // 97
531 GENX_(98, sys_ni_syscall), /* unimplemented (by the kernel) */ // 98
532 GENXY(__NR_statfs, sys_statfs), // 99
533
534 GENXY(__NR_fstatfs, sys_fstatfs), // 100
535 GENX_(101, sys_ni_syscall), /* unimplemented (by the kernel) */ // 101
536 LINXY(__NR_socketcall, sys_socketcall), // 102
537 LINXY(__NR_syslog, sys_syslog), // 103
538 GENXY(__NR_setitimer, sys_setitimer), // 104
539
540 GENXY(__NR_getitimer, sys_getitimer), // 105
541 GENXY(__NR_stat, sys_newstat), // 106
542 GENXY(__NR_lstat, sys_newlstat), // 107
543 GENXY(__NR_fstat, sys_newfstat), // 108
544 GENX_(109, sys_ni_syscall), /* unimplemented (by the kernel) */ // 109
545
546 LINXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 110
547 LINX_(__NR_vhangup, sys_vhangup), // 111
548 GENX_(112, sys_ni_syscall), /* unimplemented (by the kernel) */ // 112
549 GENX_(113, sys_ni_syscall), /* unimplemented (by the kernel) */ // 113
550 GENXY(__NR_wait4, sys_wait4), // 114
551
552 // ?????(__NR_swapoff, ), // 115
553 LINXY(__NR_sysinfo, sys_sysinfo), // 116
554 LINXY(__NR_ipc, sys_ipc), // 117
555 GENX_(__NR_fsync, sys_fsync), // 118
556 PLAX_(__NR_sigreturn, sys_sigreturn), // 119
557
558 LINX_(__NR_clone, sys_clone), // 120
559 // ?????(__NR_setdomainname, ), // 121
560 GENXY(__NR_uname, sys_newuname), // 122
561 GENX_(123, sys_ni_syscall), /* unimplemented (by the kernel) */ // 123
562 // ?????(__NR_adjtimex, ), // 124
563
564 GENXY(__NR_mprotect, sys_mprotect), // 125
565 // LINXY(__NR_sigprocmask, sys_sigprocmask), // 126
566 GENX_(127, sys_ni_syscall), /* unimplemented (by the kernel) */ // 127
567 LINX_(__NR_init_module, sys_init_module), // 128
568 LINX_(__NR_delete_module, sys_delete_module), // 129
569
570 GENX_(130, sys_ni_syscall), /* unimplemented (by the kernel) */ // 130
571 LINX_(__NR_quotactl, sys_quotactl), // 131
572 GENX_(__NR_getpgid, sys_getpgid), // 132
573 GENX_(__NR_fchdir, sys_fchdir), // 133
574 // ?????(__NR_bdflush, ), // 134
575
576 // ?????(__NR_sysfs, ), // 135
577 LINX_(__NR_personality, sys_personality), // 136
578 GENX_(137, sys_ni_syscall), /* unimplemented (by the kernel) */ // 137
579 GENX_(138, sys_ni_syscall), /* unimplemented (by the kernel) */ // 138
580 GENX_(139, sys_ni_syscall), /* unimplemented (by the kernel) */ // 139
581
582 // LINXY(__NR__llseek, sys_llseek), /* 64 bit --> lseek */ // 140
583 GENXY(__NR_getdents, sys_getdents), // 141
584 GENX_(__NR_select, sys_select), // 142
585 GENX_(__NR_flock, sys_flock), // 143
586 GENX_(__NR_msync, sys_msync), // 144
587
588 GENXY(__NR_readv, sys_readv), // 145
589 GENX_(__NR_writev, sys_writev), // 146
590 GENX_(__NR_getsid, sys_getsid), // 147
591 GENX_(__NR_fdatasync, sys_fdatasync), // 148
592 LINXY(__NR__sysctl, sys_sysctl), // 149
593
594 GENX_(__NR_mlock, sys_mlock), // 150
595 GENX_(__NR_munlock, sys_munlock), // 151
596 GENX_(__NR_mlockall, sys_mlockall), // 152
597 LINX_(__NR_munlockall, sys_munlockall), // 153
598 LINXY(__NR_sched_setparam, sys_sched_setparam), // 154
599
600 LINXY(__NR_sched_getparam, sys_sched_getparam), // 155
601 LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156
602 LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157
603 LINX_(__NR_sched_yield, sys_sched_yield), // 158
604 LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max), // 159
605
606 LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min), // 160
607 LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 162
608 GENXY(__NR_nanosleep, sys_nanosleep), // 162
609 GENX_(__NR_mremap, sys_mremap), // 163
610 GENX_(164, sys_ni_syscall), /* unimplemented (by the kernel) */ // 164
611
612 GENX_(165, sys_ni_syscall), /* unimplemented (by the kernel) */ // 165
613 GENX_(166, sys_ni_syscall), /* unimplemented (by the kernel) */ // 166
614 GENX_(167, sys_ni_syscall), /* unimplemented (by the kernel) */ // 167
615 GENXY(__NR_poll, sys_poll), // 168
616 // ?????(__NR_nfsservctl, ), // 169
617
618 GENX_(170, sys_ni_syscall), /* unimplemented (by the kernel) */ // 170
619 GENX_(171, sys_ni_syscall), /* unimplemented (by the kernel) */ // 171
620 LINXY(__NR_prctl, sys_prctl), // 172
621 PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 173
622 LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 174
623
624 LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 175
625 LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 176
626 LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 177
627 LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 178
628 LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 179
629
630 GENXY(__NR_pread64, sys_pread64), // 180
631 GENX_(__NR_pwrite64, sys_pwrite64), // 181
632 GENX_(182, sys_ni_syscall), /* unimplemented (by the kernel) */ // 182
633 GENXY(__NR_getcwd, sys_getcwd), // 183
634 LINXY(__NR_capget, sys_capget), // 184
635
636 LINX_(__NR_capset, sys_capset), // 185
637 GENXY(__NR_sigaltstack, sys_sigaltstack), // 186
638 LINXY(__NR_sendfile, sys_sendfile), // 187
639 GENX_(188, sys_ni_syscall), /* unimplemented (by the kernel) */ // 188
640 GENX_(189, sys_ni_syscall), /* unimplemented (by the kernel) */ // 189
641
642 GENX_(__NR_vfork, sys_fork), // 190
643 GENXY(__NR_getrlimit, sys_getrlimit), // 191
644 GENX_(192, sys_ni_syscall), /* not exported on 64bit*/ // 192
645 GENX_(193, sys_ni_syscall), /* unimplemented (by the kernel) */ // 193
646 GENX_(194, sys_ni_syscall), /* unimplemented (by the kernel) */ // 194
647
648 GENX_(195, sys_ni_syscall), /* unimplemented (by the kernel) */ // 195
649 GENX_(196, sys_ni_syscall), /* unimplemented (by the kernel) */ // 196
650 GENX_(197, sys_ni_syscall), /* unimplemented (by the kernel) */ // 197
651 GENX_(__NR_lchown, sys_lchown), // 198
652 GENX_(__NR_getuid, sys_getuid), // 199
653
654 GENX_(__NR_getgid, sys_getgid), // 200
655 GENX_(__NR_geteuid, sys_geteuid), // 201
656 GENX_(__NR_getegid, sys_getegid), // 202
657 GENX_(__NR_setreuid, sys_setreuid), // 203
658 GENX_(__NR_setregid, sys_setregid), // 204
659
660 GENXY(__NR_getgroups, sys_getgroups), // 205
661 GENX_(__NR_setgroups, sys_setgroups), // 206
662 GENX_(__NR_fchown, sys_fchown), // 207
663 LINX_(__NR_setresuid, sys_setresuid), // 208
664 LINXY(__NR_getresuid, sys_getresuid), // 209
665
666 LINX_(__NR_setresgid, sys_setresgid), // 210
667 LINXY(__NR_getresgid, sys_getresgid), // 211
668 GENX_(__NR_chown, sys_chown), // 212
669 GENX_(__NR_setuid, sys_setuid), // 213
670 GENX_(__NR_setgid, sys_setgid), // 214
671
672 LINX_(__NR_setfsuid, sys_setfsuid), // 215
673 LINX_(__NR_setfsgid, sys_setfsgid), // 216
674 LINX_(__NR_pivot_root, sys_pivot_root), // 217
675 GENXY(__NR_mincore, sys_mincore), // 218
676 GENX_(__NR_madvise, sys_madvise), // 219
677
678 GENXY(__NR_getdents64, sys_getdents64), // 220
679 GENX_(221, sys_ni_syscall), /* unimplemented (by the kernel) */ // 221
680 LINX_(__NR_readahead, sys_readahead), // 222
681 GENX_(223, sys_ni_syscall), /* unimplemented (by the kernel) */ // 223
682 LINX_(__NR_setxattr, sys_setxattr), // 224
683
684 LINX_(__NR_lsetxattr, sys_lsetxattr), // 225
685 LINX_(__NR_fsetxattr, sys_fsetxattr), // 226
686 LINXY(__NR_getxattr, sys_getxattr), // 227
687 LINXY(__NR_lgetxattr, sys_lgetxattr), // 228
688 LINXY(__NR_fgetxattr, sys_fgetxattr), // 229
689
690 LINXY(__NR_listxattr, sys_listxattr), // 230
691 LINXY(__NR_llistxattr, sys_llistxattr), // 231
692 LINXY(__NR_flistxattr, sys_flistxattr), // 232
693 LINX_(__NR_removexattr, sys_removexattr), // 233
694 LINX_(__NR_lremovexattr, sys_lremovexattr), // 234
695
696 LINX_(__NR_fremovexattr, sys_fremovexattr), // 235
697 LINX_(__NR_gettid, sys_gettid), // 236
698 LINXY(__NR_tkill, sys_tkill), // 237
699 LINXY(__NR_futex, sys_futex), // 238
700 LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 239
701
702 LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 240
703 LINXY(__NR_tgkill, sys_tgkill), // 241
704 GENX_(242, sys_ni_syscall), /* unimplemented (by the kernel) */ // 242
705 LINXY(__NR_io_setup, sys_io_setup), // 243
706 LINX_(__NR_io_destroy, sys_io_destroy), // 244
707
708 LINXY(__NR_io_getevents, sys_io_getevents), // 245
709 LINX_(__NR_io_submit, sys_io_submit), // 246
710 LINXY(__NR_io_cancel, sys_io_cancel), // 247
711 LINX_(__NR_exit_group, sys_exit_group), // 248
712 LINXY(__NR_epoll_create, sys_epoll_create), // 249
713
714 LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 250
715 LINXY(__NR_epoll_wait, sys_epoll_wait), // 251
716 LINX_(__NR_set_tid_address, sys_set_tid_address), // 252
717 PLAX_(__NR_fadvise64, sys_fadvise64), // 253
718 LINXY(__NR_timer_create, sys_timer_create), // 254
719
720 LINXY(__NR_timer_settime, sys_timer_settime), // 255
721 LINXY(__NR_timer_gettime, sys_timer_gettime), // 256
722 LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 257
723 LINX_(__NR_timer_delete, sys_timer_delete), // 258
724 LINX_(__NR_clock_settime, sys_clock_settime), // 259
725
726 LINXY(__NR_clock_gettime, sys_clock_gettime), // 260
727 LINXY(__NR_clock_getres, sys_clock_getres), // 261
728 LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 262
729 GENX_(263, sys_ni_syscall), /* unimplemented (by the kernel) */ // 263
730 GENX_(264, sys_ni_syscall), /* unimplemented (by the kernel) */ // 264
731
732 GENXY(__NR_statfs64, sys_statfs64), // 265
733 GENXY(__NR_fstatfs64, sys_fstatfs64), // 266
734 // ?????(__NR_remap_file_pages, ),
735 GENX_(268, sys_ni_syscall), /* unimplemented (by the kernel) */ // 268
736 GENX_(269, sys_ni_syscall), /* unimplemented (by the kernel) */ // 269
737
738 GENX_(270, sys_ni_syscall), /* unimplemented (by the kernel) */ // 270
739 LINXY(__NR_mq_open, sys_mq_open), // 271
740 LINX_(__NR_mq_unlink, sys_mq_unlink), // 272
741 LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 273
742 LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 274
743
744 LINX_(__NR_mq_notify, sys_mq_notify), // 275
745 LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 276
746 // ?????(__NR_kexec_load, ),
747 LINX_(__NR_add_key, sys_add_key), // 278
748 LINX_(__NR_request_key, sys_request_key), // 279
749
750 LINXY(__NR_keyctl, sys_keyctl), // 280
751 LINXY(__NR_waitid, sys_waitid), // 281
752 LINX_(__NR_ioprio_set, sys_ioprio_set), // 282
753 LINX_(__NR_ioprio_get, sys_ioprio_get), // 283
754 LINX_(__NR_inotify_init, sys_inotify_init), // 284
755
756 LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 285
757 LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 286
758 GENX_(287, sys_ni_syscall), /* unimplemented (by the kernel) */ // 287
759 LINXY(__NR_openat, sys_openat), // 288
760 LINX_(__NR_mkdirat, sys_mkdirat), // 289
761
762 LINX_(__NR_mknodat, sys_mknodat), // 290
763 LINX_(__NR_fchownat, sys_fchownat), // 291
764 LINX_(__NR_futimesat, sys_futimesat), // 292
765 LINXY(__NR_newfstatat, sys_newfstatat), // 293
766 LINX_(__NR_unlinkat, sys_unlinkat), // 294
767
768 LINX_(__NR_renameat, sys_renameat), // 295
769 LINX_(__NR_linkat, sys_linkat), // 296
770 LINX_(__NR_symlinkat, sys_symlinkat), // 297
771 LINX_(__NR_readlinkat, sys_readlinkat), // 298
772 LINX_(__NR_fchmodat, sys_fchmodat), // 299
773
774 LINX_(__NR_faccessat, sys_faccessat), // 300
775 LINXY(__NR_pselect6, sys_pselect6), // 301
776 LINXY(__NR_ppoll, sys_ppoll), // 302
777 LINX_(__NR_unshare, sys_unshare), // 303
778 LINX_(__NR_set_robust_list, sys_set_robust_list), // 304
779
780 LINXY(__NR_get_robust_list, sys_get_robust_list), // 305
781 LINX_(__NR_splice, sys_splice), // 306
782 LINX_(__NR_sync_file_range, sys_sync_file_range), // 307
783 LINX_(__NR_tee, sys_tee), // 308
784 LINXY(__NR_vmsplice, sys_vmsplice), // 309
785
786 GENX_(310, sys_ni_syscall), /* unimplemented (by the kernel) */ // 310
787 LINXY(__NR_getcpu, sys_getcpu), // 311
788 LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 312
789 GENX_(__NR_utimes, sys_utimes), // 313
790 LINX_(__NR_fallocate, sys_fallocate), // 314
791
792 LINX_(__NR_utimensat, sys_utimensat), // 315
793 LINXY(__NR_signalfd, sys_signalfd), // 316
794 GENX_(317, sys_ni_syscall), /* unimplemented (by the kernel) */ // 317
795 LINXY(__NR_eventfd, sys_eventfd), // 318
796 LINXY(__NR_timerfd_create, sys_timerfd_create), // 319
797
798 LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 320
799 LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 321
800 LINXY(__NR_signalfd4, sys_signalfd4), // 322
801 LINXY(__NR_eventfd2, sys_eventfd2), // 323
802 LINXY(__NR_inotify_init1, sys_inotify_init1), // 324
803
804 LINXY(__NR_pipe2, sys_pipe2), // 325
805 LINXY(__NR_dup3, sys_dup3), // 326
806 LINXY(__NR_epoll_create1, sys_epoll_create1), // 327
807 LINXY(__NR_preadv, sys_preadv), // 328
808 LINX_(__NR_pwritev, sys_pwritev), // 329
809
810 LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo), // 330
811 LINXY(__NR_perf_event_open, sys_perf_event_open), // 331
812 LINXY(__NR_fanotify_init, sys_fanotify_init), // 332
813 LINX_(__NR_fanotify_mark, sys_fanotify_mark), // 333
814 LINXY(__NR_prlimit64, sys_prlimit64), // 334
815
816 LINXY(__NR_name_to_handle_at, sys_name_to_handle_at), // 335
817 LINXY(__NR_open_by_handle_at, sys_open_by_handle_at), // 336
818 LINXY(__NR_clock_adjtime, sys_clock_adjtime), // 337
819 LINX_(__NR_syncfs, sys_syncfs), // 338
820 LINX_(__NR_setns, sys_setns), // 339
821
822 LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 340
823 LINX_(__NR_process_vm_writev, sys_process_vm_writev), // 341
824 // ?????(__NR_s390_runtime_instr, ), // 342
825 LINX_(__NR_kcmp, sys_kcmp), // 343
826 // ?????(__NR_finit_module, ), // 344
827
828 LINX_(__NR_sched_setattr, sys_sched_setattr), // 345
829 LINXY(__NR_sched_getattr, sys_sched_getattr), // 346
830 LINX_(__NR_renameat2, sys_renameat2), // 347
831 // ?????(__NR_seccomp, ), // 348
832 LINXY(__NR_getrandom, sys_getrandom), // 349
833
834 LINXY(__NR_memfd_create, sys_memfd_create), // 350
835
836 LINX_(__NR_execveat, sys_execveat), // 354
837
838 LINX_(__NR_membarrier, sys_membarrier), // 356
839 LINXY(__NR_recvmmsg, sys_recvmmsg), // 357
840 LINXY(__NR_sendmmsg, sys_sendmmsg), // 358
841 LINXY(__NR_socket, sys_socket), // 359
842 LINXY(__NR_socketpair, sys_socketpair), // 360
843 LINX_(__NR_bind, sys_bind), // 361
844 LINX_(__NR_connect, sys_connect), // 362
845 LINX_(__NR_listen, sys_listen), // 363
846 LINXY(__NR_accept4, sys_accept4), // 364
847 LINXY(__NR_getsockopt, sys_getsockopt), // 365
848 LINX_(__NR_setsockopt, sys_setsockopt), // 366
849 LINXY(__NR_getsockname, sys_getsockname), // 367
850 LINXY(__NR_getpeername, sys_getpeername), // 368
851 LINX_(__NR_sendto, sys_sendto), // 369
852 LINX_(__NR_sendmsg, sys_sendmsg), // 270
853 LINXY(__NR_recvfrom, sys_recvfrom), // 371
854 LINXY(__NR_recvmsg, sys_recvmsg), // 372
855 LINX_(__NR_shutdown, sys_shutdown), // 373
856
857 LINX_(__NR_copy_file_range, sys_copy_file_range), // 375
858 LINXY(__NR_preadv2, sys_preadv2), // 376
859 LINX_(__NR_pwritev2, sys_pwritev2), // 377
860
861 LINXY(__NR_statx, sys_statx), // 379
862
863 GENX_(__NR_rseq, sys_ni_syscall), // 381
864
865 LINXY(__NR_io_uring_setup, sys_io_uring_setup), // 425
866 LINXY(__NR_io_uring_enter, sys_io_uring_enter), // 426
867 LINXY(__NR_io_uring_register, sys_io_uring_register), // 427
868
869 LINXY(__NR_pidfd_open, sys_pidfd_open), // 434
870 GENX_(__NR_clone3, sys_ni_syscall), // 435
871 LINXY(__NR_close_range, sys_close_range), // 436
872
873 LINX_(__NR_faccessat2, sys_faccessat2), // 439
874 };
875
876 SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
877 {
878 const UInt syscall_table_size
879 = sizeof(syscall_table) / sizeof(syscall_table[0]);
880
881 /* Is it in the contiguous initial section of the table? */
882 if (sysno < syscall_table_size) {
883 SyscallTableEntry* sys = &syscall_table[sysno];
884 if (sys->before == NULL)
885 return NULL; /* no entry */
886 else
887 return sys;
888 }
889
890 /* Can't find a wrapper */
891 return NULL;
892 }
893
894 #endif
895
896 /*--------------------------------------------------------------------*/
897 /*--- end ---*/
898 /*--------------------------------------------------------------------*/
Instrumentation framework for detecting many memory management and threading bugs, and profile your programs in detail.