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, write to the Free Software
24 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25 02111-1307, USA.
26
27 The GNU General Public License is contained in the file COPYING.
28 */
29
30 /* Contributed by Christian Borntraeger */
31
32 #if defined(VGP_s390x_linux)
33
34 #include "pub_core_basics.h"
35 #include "pub_core_vki.h"
36 #include "pub_core_vkiscnums.h"
37 #include "pub_core_threadstate.h"
38 #include "pub_core_aspacemgr.h"
39 #include "pub_core_debuglog.h"
40 #include "pub_core_libcbase.h"
41 #include "pub_core_libcassert.h"
42 #include "pub_core_libcprint.h"
43 #include "pub_core_libcproc.h"
44 #include "pub_core_libcsignal.h"
45 #include "pub_core_mallocfree.h"
46 #include "pub_core_options.h"
47 #include "pub_core_scheduler.h"
48 #include "pub_core_sigframe.h" // For VG_(sigframe_destroy)()
49 #include "pub_core_signals.h"
50 #include "pub_core_syscall.h"
51 #include "pub_core_syswrap.h"
52 #include "pub_core_tooliface.h"
53
54 #include "priv_types_n_macros.h"
55 #include "priv_syswrap-generic.h" /* for decls of generic wrappers */
56 #include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */
57 #include "priv_syswrap-linux-variants.h" /* decls of linux variant wrappers */
58 #include "priv_syswrap-main.h"
59
60
61 /* ---------------------------------------------------------------------
62 clone() handling
63 ------------------------------------------------------------------ */
64
65 /* Call f(arg1), but first switch stacks, using 'stack' as the new
66 stack, and use 'retaddr' as f's return-to address. Also, clear all
67 the integer registers before entering f.
68 Thought: Why are we clearing the GPRs ? The callee pointed to by f
69 is a regular C function which will play by the ABI rules. So there is
70 no need to zero out the GPRs. If we assumed that f accesses registers at
71 will, then it would make sense to create a defined register state.
72 But then, why only for the GPRs and not the FPRs ? */
73 __attribute__((noreturn))
74 void ML_(call_on_new_stack_0_1) ( Addr stack,
75 Addr retaddr,
76 void (*f)(Word),
77 Word arg1 );
78 /* Upon entering this function we have the following setup:
79 r2 = stack
80 r3 = retaddr
81 r4 = f_desc
82 r5 = arg1
83 */
84 asm(
85 ".text\n"
86 ".align 4\n"
87 ".globl vgModuleLocal_call_on_new_stack_0_1\n"
88 ".type vgModuleLocal_call_on_new_stack_0_1, @function\n"
89 "vgModuleLocal_call_on_new_stack_0_1:\n"
90 " lgr %r15,%r2\n" // stack to r15
91 " lgr %r14,%r3\n" // retaddr to r14
92 " lgr %r2,%r5\n" // arg1 to r2
93 // zero all gprs to get a defined state
94 " lghi %r0,0\n"
95 " lghi %r1,0\n"
96 // r2 holds the argument for the callee
97 " lghi %r3,0\n"
98 // r4 holds the callee address
99 " lghi %r5,0\n"
100 " lghi %r6,0\n"
101 " lghi %r7,0\n"
102 " lghi %r8,0\n"
103 " lghi %r9,0\n"
104 " lghi %r10,0\n"
105 " lghi %r11,0\n"
106 " lghi %r12,0\n"
107 " lghi %r13,0\n"
108 // r14 holds the return address for the callee
109 // r15 is the stack pointer
110 " br %r4\n" // jump to f
111 ".previous\n"
112 );
113
114 /*
115 Perform a clone system call. clone is strange because it has
116 fork()-like return-twice semantics, so it needs special
117 handling here.
118
119 Upon entry, we have:
120 void* child_stack in r2
121 long flags in r3
122 int* parent_tid in r4
123 int* child_tid in r5
124 int* tls address in r6
125 Word (*fn)(void *) 160(r15)
126 void *arg 168(r15)
127
128 System call requires:
129 void* child_stack in r2 (sc arg1)
130 long flags in r3 (sc arg2)
131 int* parent_tid in r4 (sc arg3)
132 int* child_tid in r5 (sc arg4)
133 void* tlsaddr in r6 (sc arg5)
134
135 Returns a ULong encoded as: top half is %cr following syscall,
136 low half is syscall return value (r3).
137 */
138 #define __NR_CLONE VG_STRINGIFY(__NR_clone)
139 #define __NR_EXIT VG_STRINGIFY(__NR_exit)
140
141 // See priv_syswrap-linux.h for arg profile.
142 asm(
143 " .text\n"
144 " .align 4\n"
145 ".globl do_syscall_clone_s390x_linux\n"
146 "do_syscall_clone_s390x_linux:\n"
147 " lg %r1, 160(%r15)\n" // save fn from parent stack into r1
148 " lg %r0, 168(%r15)\n" // save arg from parent stack into r0
149 " aghi %r2, -160\n" // create stack frame for child
150 // all syscall parameters are already in place (r2-r6)
151 " svc " __NR_CLONE"\n" // clone()
152 " ltgr %r2,%r2\n" // child if retval == 0
153 " jne 1f\n"
154
155 // CHILD - call thread function
156 " lgr %r2, %r0\n" // get arg from r0
157 " basr %r14,%r1\n" // call fn
158
159 // exit. The result is already in r2
160 " svc " __NR_EXIT"\n"
161
162 // Exit returned?!
163 " j +2\n"
164
165 "1:\n" // PARENT or ERROR
166 " br %r14\n"
167 ".previous\n"
168 );
169
170 #undef __NR_CLONE
171 #undef __NR_EXIT
172
VG_(cleanup_thread)173 void VG_(cleanup_thread) ( ThreadArchState* arch )
174 {
175 /* only used on x86 for descriptor tables */
176 }
177
178 /* ---------------------------------------------------------------------
179 PRE/POST wrappers for s390x/Linux-specific syscalls
180 ------------------------------------------------------------------ */
181
182 #define PRE(name) DEFN_PRE_TEMPLATE(s390x_linux, name)
183 #define POST(name) DEFN_POST_TEMPLATE(s390x_linux, name)
184
185 /* Add prototypes for the wrappers declared here, so that gcc doesn't
186 harass us for not having prototypes. Really this is a kludge --
187 the right thing to do is to make these wrappers 'static' since they
188 aren't visible outside this file, but that requires even more macro
189 magic. */
190
191 DECL_TEMPLATE(s390x_linux, sys_ptrace);
192 DECL_TEMPLATE(s390x_linux, sys_mmap);
193 DECL_TEMPLATE(s390x_linux, sys_sigreturn);
194 DECL_TEMPLATE(s390x_linux, sys_rt_sigreturn);
195 DECL_TEMPLATE(s390x_linux, sys_fadvise64);
196
197 /* PEEK TEXT,DATA and USER are common to all architectures.
198 PEEKUSR_AREA and POKEUSR_AREA are special, having a memory area
199 containing the real addr, data, and len field pointed to by ARG3
200 instead of ARG4.
201 GETREGSET and SETREGSET use a struct iovec (pointed to by ARG4) for
202 the address and size of the user buffer. */
203
PRE(sys_ptrace)204 PRE(sys_ptrace)
205 {
206 PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", SARG1, SARG2, ARG3, ARG4);
207 PRE_REG_READ4(int, "ptrace",
208 long, request, long, pid, unsigned long, addr,
209 unsigned long, data);
210 switch (ARG1) {
211 case VKI_PTRACE_PEEKTEXT:
212 case VKI_PTRACE_PEEKDATA:
213 case VKI_PTRACE_PEEKUSR:
214 PRE_MEM_WRITE( "ptrace(peek)", ARG4,
215 sizeof (long));
216 break;
217 case VKI_PTRACE_GETEVENTMSG:
218 PRE_MEM_WRITE( "ptrace(geteventmsg)", ARG4, sizeof(unsigned long));
219 break;
220 case VKI_PTRACE_GETSIGINFO:
221 PRE_MEM_WRITE( "ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t));
222 break;
223 case VKI_PTRACE_SETSIGINFO:
224 PRE_MEM_READ( "ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t));
225 break;
226 case VKI_PTRACE_PEEKUSR_AREA:
227 {
228 vki_ptrace_area *pa;
229
230 /* Reads a part of the user area into memory at pa->process_addr */
231 pa = (vki_ptrace_area *) ARG3;
232 PRE_MEM_READ("ptrace(peekusrarea ptrace_area->len)",
233 (unsigned long) &pa->vki_len, sizeof(pa->vki_len));
234 PRE_MEM_READ("ptrace(peekusrarea ptrace_area->kernel_addr)",
235 (unsigned long) &pa->vki_kernel_addr, sizeof(pa->vki_kernel_addr));
236 PRE_MEM_READ("ptrace(peekusrarea ptrace_area->process_addr)",
237 (unsigned long) &pa->vki_process_addr, sizeof(pa->vki_process_addr));
238 PRE_MEM_WRITE("ptrace(peekusrarea *(ptrace_area->process_addr))",
239 pa->vki_process_addr, pa->vki_len);
240 break;
241 }
242 case VKI_PTRACE_POKEUSR_AREA:
243 {
244 vki_ptrace_area *pa;
245
246 /* Updates a part of the user area from memory at pa->process_addr */
247 pa = (vki_ptrace_area *) ARG3;
248 PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->len)",
249 (unsigned long) &pa->vki_len, sizeof(pa->vki_len));
250 PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->kernel_addr)",
251 (unsigned long) &pa->vki_kernel_addr,
252 sizeof(pa->vki_kernel_addr));
253 PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->process_addr)",
254 (unsigned long) &pa->vki_process_addr,
255 sizeof(pa->vki_process_addr));
256 PRE_MEM_READ("ptrace(pokeusrarea *(ptrace_area->process_addr))",
257 pa->vki_process_addr, pa->vki_len);
258 break;
259 }
260 case VKI_PTRACE_GETREGSET:
261 ML_(linux_PRE_getregset)(tid, ARG3, ARG4);
262 break;
263 case VKI_PTRACE_SETREGSET:
264 ML_(linux_PRE_setregset)(tid, ARG3, ARG4);
265 break;
266 default:
267 break;
268 }
269 }
270
POST(sys_ptrace)271 POST(sys_ptrace)
272 {
273 switch (ARG1) {
274 case VKI_PTRACE_TRACEME:
275 ML_(linux_POST_traceme)(tid);
276 break;
277 case VKI_PTRACE_PEEKTEXT:
278 case VKI_PTRACE_PEEKDATA:
279 case VKI_PTRACE_PEEKUSR:
280 POST_MEM_WRITE( ARG4, sizeof (long));
281 break;
282 case VKI_PTRACE_GETEVENTMSG:
283 POST_MEM_WRITE( ARG4, sizeof(unsigned long));
284 break;
285 case VKI_PTRACE_GETSIGINFO:
286 /* XXX: This is a simplification. Different parts of the
287 * siginfo_t are valid depending on the type of signal.
288 */
289 POST_MEM_WRITE( ARG4, sizeof(vki_siginfo_t));
290 break;
291 case VKI_PTRACE_PEEKUSR_AREA:
292 {
293 vki_ptrace_area *pa;
294
295 pa = (vki_ptrace_area *) ARG3;
296 POST_MEM_WRITE(pa->vki_process_addr, pa->vki_len);
297 break;
298 }
299 case VKI_PTRACE_GETREGSET:
300 ML_(linux_POST_getregset)(tid, ARG3, ARG4);
301 break;
302 default:
303 break;
304 }
305 }
306
PRE(sys_mmap)307 PRE(sys_mmap)
308 {
309 UWord a0, a1, a2, a3, a4, a5;
310 SysRes r;
311
312 UWord* args = (UWord*)ARG1;
313 PRE_REG_READ1(long, "sys_mmap", struct mmap_arg_struct *, args);
314 PRE_MEM_READ( "sys_mmap(args)", (Addr) args, 6*sizeof(UWord) );
315
316 a0 = args[0];
317 a1 = args[1];
318 a2 = args[2];
319 a3 = args[3];
320 a4 = args[4];
321 a5 = args[5];
322
323 PRINT("sys_mmap ( %#lx, %lu, %ld, %ld, %ld, %ld )",
324 a0, a1, (Word)a2, (Word)a3, (Word)a4, (Word)a5 );
325
326 r = ML_(generic_PRE_sys_mmap)( tid, a0, a1, a2, a3, a4, (Off64T)a5 );
327 SET_STATUS_from_SysRes(r);
328 }
329
PRE(sys_sigreturn)330 PRE(sys_sigreturn)
331 {
332 ThreadState* tst;
333 PRINT("sys_sigreturn ( )");
334
335 vg_assert(VG_(is_valid_tid)(tid));
336 vg_assert(tid >= 1 && tid < VG_N_THREADS);
337 vg_assert(VG_(is_running_thread)(tid));
338
339 tst = VG_(get_ThreadState)(tid);
340
341 /* This is only so that the IA is (might be) useful to report if
342 something goes wrong in the sigreturn */
343 ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
344
345 /* Restore register state from frame and remove it */
346 VG_(sigframe_destroy)(tid, False);
347
348 /* Tell the driver not to update the guest state with the "result",
349 and set a bogus result to keep it happy. */
350 *flags |= SfNoWriteResult;
351 SET_STATUS_Success(0);
352
353 /* Check to see if any signals arose as a result of this. */
354 *flags |= SfPollAfter;
355 }
356
357
PRE(sys_rt_sigreturn)358 PRE(sys_rt_sigreturn)
359 {
360 /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for
361 an explanation of what follows. */
362
363 ThreadState* tst;
364 PRINT("sys_rt_sigreturn ( )");
365
366 vg_assert(VG_(is_valid_tid)(tid));
367 vg_assert(tid >= 1 && tid < VG_N_THREADS);
368 vg_assert(VG_(is_running_thread)(tid));
369
370 tst = VG_(get_ThreadState)(tid);
371
372 /* This is only so that the IA is (might be) useful to report if
373 something goes wrong in the sigreturn */
374 ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
375
376 /* Restore register state from frame and remove it */
377 VG_(sigframe_destroy)(tid, True);
378
379 /* Tell the driver not to update the guest state with the "result",
380 and set a bogus result to keep it happy. */
381 *flags |= SfNoWriteResult;
382 SET_STATUS_Success(0);
383
384 /* Check to see if any signals arose as a result of this. */
385 *flags |= SfPollAfter;
386 }
387
388 /* we cant use the LINX_ version for 64 bit */
PRE(sys_fadvise64)389 PRE(sys_fadvise64)
390 {
391 PRINT("sys_fadvise64 ( %ld, %ld, %ld, %ld )", SARG1, SARG2, SARG3, SARG4);
392 PRE_REG_READ4(long, "fadvise64",
393 int, fd, vki_loff_t, offset, vki_loff_t, len, int, advice);
394 }
395
396 #undef PRE
397 #undef POST
398
399 /* ---------------------------------------------------------------------
400 The s390x/Linux syscall table
401 ------------------------------------------------------------------ */
402
403 /* Add an s390x-linux specific wrapper to a syscall table. */
404 #define PLAX_(sysno, name) WRAPPER_ENTRY_X_(s390x_linux, sysno, name)
405 #define PLAXY(sysno, name) WRAPPER_ENTRY_XY(s390x_linux, sysno, name)
406
407 // This table maps from __NR_xxx syscall numbers from
408 // linux/arch/s390/kernel/syscalls.S to the appropriate PRE/POST sys_foo()
409 // wrappers on s390x. There are several unused numbers, which are only
410 // defined on s390 (31bit mode) but no longer available on s390x (64 bit).
411 // For those syscalls not handled by Valgrind, the annotation indicate its
412 // arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/?
413 // (unknown).
414
415 static SyscallTableEntry syscall_table[] = {
416 GENX_(0, sys_ni_syscall), /* unimplemented (by the kernel) */ // 0
417 GENX_(__NR_exit, sys_exit), // 1
418 GENX_(__NR_fork, sys_fork), // 2
419 GENXY(__NR_read, sys_read), // 3
420 GENX_(__NR_write, sys_write), // 4
421
422 GENXY(__NR_open, sys_open), // 5
423 GENXY(__NR_close, sys_close), // 6
424 // ?????(__NR_restart_syscall, ), // 7
425 GENXY(__NR_creat, sys_creat), // 8
426 GENX_(__NR_link, sys_link), // 9
427
428 GENX_(__NR_unlink, sys_unlink), // 10
429 GENX_(__NR_execve, sys_execve), // 11
430 GENX_(__NR_chdir, sys_chdir), // 12
431 GENX_(13, sys_ni_syscall), /* unimplemented (by the kernel) */ // 13
432 GENX_(__NR_mknod, sys_mknod), // 14
433
434 GENX_(__NR_chmod, sys_chmod), // 15
435 GENX_(16, sys_ni_syscall), /* unimplemented (by the kernel) */ // 16
436 GENX_(17, sys_ni_syscall), /* unimplemented (by the kernel) */ // 17
437 GENX_(18, sys_ni_syscall), /* unimplemented (by the kernel) */ // 18
438 LINX_(__NR_lseek, sys_lseek), // 19
439
440 GENX_(__NR_getpid, sys_getpid), // 20
441 LINX_(__NR_mount, sys_mount), // 21
442 LINX_(__NR_umount, sys_oldumount), // 22
443 GENX_(23, sys_ni_syscall), /* unimplemented (by the kernel) */ // 23
444 GENX_(24, sys_ni_syscall), /* unimplemented (by the kernel) */ // 24
445
446 GENX_(25, sys_ni_syscall), /* unimplemented (by the kernel) */ // 25
447 PLAXY(__NR_ptrace, sys_ptrace), // 26
448 GENX_(__NR_alarm, sys_alarm), // 27
449 GENX_(28, sys_ni_syscall), /* unimplemented (by the kernel) */ // 28
450 GENX_(__NR_pause, sys_pause), // 29
451
452 LINX_(__NR_utime, sys_utime), // 30
453 GENX_(31, sys_ni_syscall), /* unimplemented (by the kernel) */ // 31
454 GENX_(32, sys_ni_syscall), /* unimplemented (by the kernel) */ // 32
455 GENX_(__NR_access, sys_access), // 33
456 GENX_(__NR_nice, sys_nice), // 34
457
458 GENX_(35, sys_ni_syscall), /* unimplemented (by the kernel) */ // 35
459 GENX_(__NR_sync, sys_sync), // 36
460 GENX_(__NR_kill, sys_kill), // 37
461 GENX_(__NR_rename, sys_rename), // 38
462 GENX_(__NR_mkdir, sys_mkdir), // 39
463
464 GENX_(__NR_rmdir, sys_rmdir), // 40
465 GENXY(__NR_dup, sys_dup), // 41
466 LINXY(__NR_pipe, sys_pipe), // 42
467 GENXY(__NR_times, sys_times), // 43
468 GENX_(44, sys_ni_syscall), /* unimplemented (by the kernel) */ // 44
469
470 GENX_(__NR_brk, sys_brk), // 45
471 GENX_(46, sys_ni_syscall), /* unimplemented (by the kernel) */ // 46
472 GENX_(47, sys_ni_syscall), /* unimplemented (by the kernel) */ // 47
473 // ?????(__NR_signal, ), // 48
474 GENX_(49, sys_ni_syscall), /* unimplemented (by the kernel) */ // 49
475
476 GENX_(50, sys_ni_syscall), /* unimplemented (by the kernel) */ // 50
477 GENX_(__NR_acct, sys_acct), // 51
478 LINX_(__NR_umount2, sys_umount), // 52
479 GENX_(53, sys_ni_syscall), /* unimplemented (by the kernel) */ // 53
480 LINXY(__NR_ioctl, sys_ioctl), // 54
481
482 LINXY(__NR_fcntl, sys_fcntl), // 55
483 GENX_(56, sys_ni_syscall), /* unimplemented (by the kernel) */ // 56
484 GENX_(__NR_setpgid, sys_setpgid), // 57
485 GENX_(58, sys_ni_syscall), /* unimplemented (by the kernel) */ // 58
486 GENX_(59, sys_ni_syscall), /* unimplemented (by the kernel) */ // 59
487
488 GENX_(__NR_umask, sys_umask), // 60
489 GENX_(__NR_chroot, sys_chroot), // 61
490 // ?????(__NR_ustat, sys_ustat), /* deprecated in favor of statfs */ // 62
491 GENXY(__NR_dup2, sys_dup2), // 63
492 GENX_(__NR_getppid, sys_getppid), // 64
493
494 GENX_(__NR_getpgrp, sys_getpgrp), // 65
495 GENX_(__NR_setsid, sys_setsid), // 66
496 // ?????(__NR_sigaction, ), /* userspace uses rt_sigaction */ // 67
497 GENX_(68, sys_ni_syscall), /* unimplemented (by the kernel) */ // 68
498 GENX_(69, sys_ni_syscall), /* unimplemented (by the kernel) */ // 69
499
500 GENX_(70, sys_ni_syscall), /* unimplemented (by the kernel) */ // 70
501 GENX_(71, sys_ni_syscall), /* unimplemented (by the kernel) */ // 71
502 // ?????(__NR_sigsuspend, ), // 72
503 // ?????(__NR_sigpending, ), // 73
504 // ?????(__NR_sethostname, ), // 74
505
506 GENX_(__NR_setrlimit, sys_setrlimit), // 75
507 GENXY(76, sys_getrlimit), /* see also 191 */ // 76
508 GENXY(__NR_getrusage, sys_getrusage), // 77
509 GENXY(__NR_gettimeofday, sys_gettimeofday), // 78
510 GENX_(__NR_settimeofday, sys_settimeofday), // 79
511
512 GENX_(80, sys_ni_syscall), /* unimplemented (by the kernel) */ // 80
513 GENX_(81, sys_ni_syscall), /* unimplemented (by the kernel) */ // 81
514 GENX_(82, sys_ni_syscall), /* unimplemented (by the kernel) */ // 82
515 GENX_(__NR_symlink, sys_symlink), // 83
516 GENX_(84, sys_ni_syscall), /* unimplemented (by the kernel) */ // 84
517
518 GENX_(__NR_readlink, sys_readlink), // 85
519 // ?????(__NR_uselib, ), // 86
520 // ?????(__NR_swapon, ), // 87
521 // ?????(__NR_reboot, ), // 88
522 GENX_(89, sys_ni_syscall), /* unimplemented (by the kernel) */ // 89
523
524 PLAX_(__NR_mmap, sys_mmap ), // 90
525 GENXY(__NR_munmap, sys_munmap), // 91
526 GENX_(__NR_truncate, sys_truncate), // 92
527 GENX_(__NR_ftruncate, sys_ftruncate), // 93
528 GENX_(__NR_fchmod, sys_fchmod), // 94
529
530 GENX_(95, sys_ni_syscall), /* unimplemented (by the kernel) */ // 95
531 GENX_(__NR_getpriority, sys_getpriority), // 96
532 GENX_(__NR_setpriority, sys_setpriority), // 97
533 GENX_(98, sys_ni_syscall), /* unimplemented (by the kernel) */ // 98
534 GENXY(__NR_statfs, sys_statfs), // 99
535
536 GENXY(__NR_fstatfs, sys_fstatfs), // 100
537 GENX_(101, sys_ni_syscall), /* unimplemented (by the kernel) */ // 101
538 LINXY(__NR_socketcall, sys_socketcall), // 102
539 LINXY(__NR_syslog, sys_syslog), // 103
540 GENXY(__NR_setitimer, sys_setitimer), // 104
541
542 GENXY(__NR_getitimer, sys_getitimer), // 105
543 GENXY(__NR_stat, sys_newstat), // 106
544 GENXY(__NR_lstat, sys_newlstat), // 107
545 GENXY(__NR_fstat, sys_newfstat), // 108
546 GENX_(109, sys_ni_syscall), /* unimplemented (by the kernel) */ // 109
547
548 LINXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 110
549 LINX_(__NR_vhangup, sys_vhangup), // 111
550 GENX_(112, sys_ni_syscall), /* unimplemented (by the kernel) */ // 112
551 GENX_(113, sys_ni_syscall), /* unimplemented (by the kernel) */ // 113
552 GENXY(__NR_wait4, sys_wait4), // 114
553
554 // ?????(__NR_swapoff, ), // 115
555 LINXY(__NR_sysinfo, sys_sysinfo), // 116
556 LINXY(__NR_ipc, sys_ipc), // 117
557 GENX_(__NR_fsync, sys_fsync), // 118
558 PLAX_(__NR_sigreturn, sys_sigreturn), // 119
559
560 LINX_(__NR_clone, sys_clone), // 120
561 // ?????(__NR_setdomainname, ), // 121
562 GENXY(__NR_uname, sys_newuname), // 122
563 GENX_(123, sys_ni_syscall), /* unimplemented (by the kernel) */ // 123
564 // ?????(__NR_adjtimex, ), // 124
565
566 GENXY(__NR_mprotect, sys_mprotect), // 125
567 // LINXY(__NR_sigprocmask, sys_sigprocmask), // 126
568 GENX_(127, sys_ni_syscall), /* unimplemented (by the kernel) */ // 127
569 LINX_(__NR_init_module, sys_init_module), // 128
570 LINX_(__NR_delete_module, sys_delete_module), // 129
571
572 GENX_(130, sys_ni_syscall), /* unimplemented (by the kernel) */ // 130
573 LINX_(__NR_quotactl, sys_quotactl), // 131
574 GENX_(__NR_getpgid, sys_getpgid), // 132
575 GENX_(__NR_fchdir, sys_fchdir), // 133
576 // ?????(__NR_bdflush, ), // 134
577
578 // ?????(__NR_sysfs, ), // 135
579 LINX_(__NR_personality, sys_personality), // 136
580 GENX_(137, sys_ni_syscall), /* unimplemented (by the kernel) */ // 137
581 GENX_(138, sys_ni_syscall), /* unimplemented (by the kernel) */ // 138
582 GENX_(139, sys_ni_syscall), /* unimplemented (by the kernel) */ // 139
583
584 // LINXY(__NR__llseek, sys_llseek), /* 64 bit --> lseek */ // 140
585 GENXY(__NR_getdents, sys_getdents), // 141
586 GENX_(__NR_select, sys_select), // 142
587 GENX_(__NR_flock, sys_flock), // 143
588 GENX_(__NR_msync, sys_msync), // 144
589
590 GENXY(__NR_readv, sys_readv), // 145
591 GENX_(__NR_writev, sys_writev), // 146
592 GENX_(__NR_getsid, sys_getsid), // 147
593 GENX_(__NR_fdatasync, sys_fdatasync), // 148
594 LINXY(__NR__sysctl, sys_sysctl), // 149
595
596 GENX_(__NR_mlock, sys_mlock), // 150
597 GENX_(__NR_munlock, sys_munlock), // 151
598 GENX_(__NR_mlockall, sys_mlockall), // 152
599 LINX_(__NR_munlockall, sys_munlockall), // 153
600 LINXY(__NR_sched_setparam, sys_sched_setparam), // 154
601
602 LINXY(__NR_sched_getparam, sys_sched_getparam), // 155
603 LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156
604 LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157
605 LINX_(__NR_sched_yield, sys_sched_yield), // 158
606 LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max), // 159
607
608 LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min), // 160
609 LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 162
610 GENXY(__NR_nanosleep, sys_nanosleep), // 162
611 GENX_(__NR_mremap, sys_mremap), // 163
612 GENX_(164, sys_ni_syscall), /* unimplemented (by the kernel) */ // 164
613
614 GENX_(165, sys_ni_syscall), /* unimplemented (by the kernel) */ // 165
615 GENX_(166, sys_ni_syscall), /* unimplemented (by the kernel) */ // 166
616 GENX_(167, sys_ni_syscall), /* unimplemented (by the kernel) */ // 167
617 GENXY(__NR_poll, sys_poll), // 168
618 // ?????(__NR_nfsservctl, ), // 169
619
620 GENX_(170, sys_ni_syscall), /* unimplemented (by the kernel) */ // 170
621 GENX_(171, sys_ni_syscall), /* unimplemented (by the kernel) */ // 171
622 LINXY(__NR_prctl, sys_prctl), // 172
623 PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 173
624 LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 174
625
626 LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 175
627 LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 176
628 LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 177
629 LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 178
630 LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 179
631
632 GENXY(__NR_pread64, sys_pread64), // 180
633 GENX_(__NR_pwrite64, sys_pwrite64), // 181
634 GENX_(182, sys_ni_syscall), /* unimplemented (by the kernel) */ // 182
635 GENXY(__NR_getcwd, sys_getcwd), // 183
636 LINXY(__NR_capget, sys_capget), // 184
637
638 LINX_(__NR_capset, sys_capset), // 185
639 GENXY(__NR_sigaltstack, sys_sigaltstack), // 186
640 LINXY(__NR_sendfile, sys_sendfile), // 187
641 GENX_(188, sys_ni_syscall), /* unimplemented (by the kernel) */ // 188
642 GENX_(189, sys_ni_syscall), /* unimplemented (by the kernel) */ // 189
643
644 GENX_(__NR_vfork, sys_fork), // 190
645 GENXY(__NR_getrlimit, sys_getrlimit), // 191
646 GENX_(192, sys_ni_syscall), /* not exported on 64bit*/ // 192
647 GENX_(193, sys_ni_syscall), /* unimplemented (by the kernel) */ // 193
648 GENX_(194, sys_ni_syscall), /* unimplemented (by the kernel) */ // 194
649
650 GENX_(195, sys_ni_syscall), /* unimplemented (by the kernel) */ // 195
651 GENX_(196, sys_ni_syscall), /* unimplemented (by the kernel) */ // 196
652 GENX_(197, sys_ni_syscall), /* unimplemented (by the kernel) */ // 197
653 GENX_(__NR_lchown, sys_lchown), // 198
654 GENX_(__NR_getuid, sys_getuid), // 199
655
656 GENX_(__NR_getgid, sys_getgid), // 200
657 GENX_(__NR_geteuid, sys_geteuid), // 201
658 GENX_(__NR_getegid, sys_getegid), // 202
659 GENX_(__NR_setreuid, sys_setreuid), // 203
660 GENX_(__NR_setregid, sys_setregid), // 204
661
662 GENXY(__NR_getgroups, sys_getgroups), // 205
663 GENX_(__NR_setgroups, sys_setgroups), // 206
664 GENX_(__NR_fchown, sys_fchown), // 207
665 LINX_(__NR_setresuid, sys_setresuid), // 208
666 LINXY(__NR_getresuid, sys_getresuid), // 209
667
668 LINX_(__NR_setresgid, sys_setresgid), // 210
669 LINXY(__NR_getresgid, sys_getresgid), // 211
670 GENX_(__NR_chown, sys_chown), // 212
671 GENX_(__NR_setuid, sys_setuid), // 213
672 GENX_(__NR_setgid, sys_setgid), // 214
673
674 LINX_(__NR_setfsuid, sys_setfsuid), // 215
675 LINX_(__NR_setfsgid, sys_setfsgid), // 216
676 LINX_(__NR_pivot_root, sys_pivot_root), // 217
677 GENXY(__NR_mincore, sys_mincore), // 218
678 GENX_(__NR_madvise, sys_madvise), // 219
679
680 GENXY(__NR_getdents64, sys_getdents64), // 220
681 GENX_(221, sys_ni_syscall), /* unimplemented (by the kernel) */ // 221
682 LINX_(__NR_readahead, sys_readahead), // 222
683 GENX_(223, sys_ni_syscall), /* unimplemented (by the kernel) */ // 223
684 LINX_(__NR_setxattr, sys_setxattr), // 224
685
686 LINX_(__NR_lsetxattr, sys_lsetxattr), // 225
687 LINX_(__NR_fsetxattr, sys_fsetxattr), // 226
688 LINXY(__NR_getxattr, sys_getxattr), // 227
689 LINXY(__NR_lgetxattr, sys_lgetxattr), // 228
690 LINXY(__NR_fgetxattr, sys_fgetxattr), // 229
691
692 LINXY(__NR_listxattr, sys_listxattr), // 230
693 LINXY(__NR_llistxattr, sys_llistxattr), // 231
694 LINXY(__NR_flistxattr, sys_flistxattr), // 232
695 LINX_(__NR_removexattr, sys_removexattr), // 233
696 LINX_(__NR_lremovexattr, sys_lremovexattr), // 234
697
698 LINX_(__NR_fremovexattr, sys_fremovexattr), // 235
699 LINX_(__NR_gettid, sys_gettid), // 236
700 LINXY(__NR_tkill, sys_tkill), // 237
701 LINXY(__NR_futex, sys_futex), // 238
702 LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 239
703
704 LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 240
705 LINXY(__NR_tgkill, sys_tgkill), // 241
706 GENX_(242, sys_ni_syscall), /* unimplemented (by the kernel) */ // 242
707 LINXY(__NR_io_setup, sys_io_setup), // 243
708 LINX_(__NR_io_destroy, sys_io_destroy), // 244
709
710 LINXY(__NR_io_getevents, sys_io_getevents), // 245
711 LINX_(__NR_io_submit, sys_io_submit), // 246
712 LINXY(__NR_io_cancel, sys_io_cancel), // 247
713 LINX_(__NR_exit_group, sys_exit_group), // 248
714 LINXY(__NR_epoll_create, sys_epoll_create), // 249
715
716 LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 250
717 LINXY(__NR_epoll_wait, sys_epoll_wait), // 251
718 LINX_(__NR_set_tid_address, sys_set_tid_address), // 252
719 PLAX_(__NR_fadvise64, sys_fadvise64), // 253
720 LINXY(__NR_timer_create, sys_timer_create), // 254
721
722 LINXY(__NR_timer_settime, sys_timer_settime), // 255
723 LINXY(__NR_timer_gettime, sys_timer_gettime), // 256
724 LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 257
725 LINX_(__NR_timer_delete, sys_timer_delete), // 258
726 LINX_(__NR_clock_settime, sys_clock_settime), // 259
727
728 LINXY(__NR_clock_gettime, sys_clock_gettime), // 260
729 LINXY(__NR_clock_getres, sys_clock_getres), // 261
730 LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 262
731 GENX_(263, sys_ni_syscall), /* unimplemented (by the kernel) */ // 263
732 GENX_(264, sys_ni_syscall), /* unimplemented (by the kernel) */ // 264
733
734 GENXY(__NR_statfs64, sys_statfs64), // 265
735 GENXY(__NR_fstatfs64, sys_fstatfs64), // 266
736 // ?????(__NR_remap_file_pages, ),
737 GENX_(268, sys_ni_syscall), /* unimplemented (by the kernel) */ // 268
738 GENX_(269, sys_ni_syscall), /* unimplemented (by the kernel) */ // 269
739
740 GENX_(270, sys_ni_syscall), /* unimplemented (by the kernel) */ // 270
741 LINXY(__NR_mq_open, sys_mq_open), // 271
742 LINX_(__NR_mq_unlink, sys_mq_unlink), // 272
743 LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 273
744 LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 274
745
746 LINX_(__NR_mq_notify, sys_mq_notify), // 275
747 LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 276
748 // ?????(__NR_kexec_load, ),
749 LINX_(__NR_add_key, sys_add_key), // 278
750 LINX_(__NR_request_key, sys_request_key), // 279
751
752 LINXY(__NR_keyctl, sys_keyctl), // 280
753 LINXY(__NR_waitid, sys_waitid), // 281
754 LINX_(__NR_ioprio_set, sys_ioprio_set), // 282
755 LINX_(__NR_ioprio_get, sys_ioprio_get), // 283
756 LINX_(__NR_inotify_init, sys_inotify_init), // 284
757
758 LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 285
759 LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 286
760 GENX_(287, sys_ni_syscall), /* unimplemented (by the kernel) */ // 287
761 LINXY(__NR_openat, sys_openat), // 288
762 LINX_(__NR_mkdirat, sys_mkdirat), // 289
763
764 LINX_(__NR_mknodat, sys_mknodat), // 290
765 LINX_(__NR_fchownat, sys_fchownat), // 291
766 LINX_(__NR_futimesat, sys_futimesat), // 292
767 LINXY(__NR_newfstatat, sys_newfstatat), // 293
768 LINX_(__NR_unlinkat, sys_unlinkat), // 294
769
770 LINX_(__NR_renameat, sys_renameat), // 295
771 LINX_(__NR_linkat, sys_linkat), // 296
772 LINX_(__NR_symlinkat, sys_symlinkat), // 297
773 LINX_(__NR_readlinkat, sys_readlinkat), // 298
774 LINX_(__NR_fchmodat, sys_fchmodat), // 299
775
776 LINX_(__NR_faccessat, sys_faccessat), // 300
777 LINXY(__NR_pselect6, sys_pselect6), // 301
778 LINXY(__NR_ppoll, sys_ppoll), // 302
779 LINX_(__NR_unshare, sys_unshare), // 303
780 LINX_(__NR_set_robust_list, sys_set_robust_list), // 304
781
782 LINXY(__NR_get_robust_list, sys_get_robust_list), // 305
783 LINX_(__NR_splice, sys_splice), // 306
784 LINX_(__NR_sync_file_range, sys_sync_file_range), // 307
785 LINX_(__NR_tee, sys_tee), // 308
786 LINXY(__NR_vmsplice, sys_vmsplice), // 309
787
788 GENX_(310, sys_ni_syscall), /* unimplemented (by the kernel) */ // 310
789 LINXY(__NR_getcpu, sys_getcpu), // 311
790 LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 312
791 GENX_(__NR_utimes, sys_utimes), // 313
792 LINX_(__NR_fallocate, sys_fallocate), // 314
793
794 LINX_(__NR_utimensat, sys_utimensat), // 315
795 LINXY(__NR_signalfd, sys_signalfd), // 316
796 GENX_(317, sys_ni_syscall), /* unimplemented (by the kernel) */ // 317
797 LINXY(__NR_eventfd, sys_eventfd), // 318
798 LINXY(__NR_timerfd_create, sys_timerfd_create), // 319
799
800 LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 320
801 LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 321
802 LINXY(__NR_signalfd4, sys_signalfd4), // 322
803 LINXY(__NR_eventfd2, sys_eventfd2), // 323
804 LINXY(__NR_inotify_init1, sys_inotify_init1), // 324
805
806 LINXY(__NR_pipe2, sys_pipe2), // 325
807 LINXY(__NR_dup3, sys_dup3), // 326
808 LINXY(__NR_epoll_create1, sys_epoll_create1), // 327
809 LINXY(__NR_preadv, sys_preadv), // 328
810 LINX_(__NR_pwritev, sys_pwritev), // 329
811
812 LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo), // 330
813 LINXY(__NR_perf_event_open, sys_perf_event_open), // 331
814 LINXY(__NR_fanotify_init, sys_fanotify_init), // 332
815 LINX_(__NR_fanotify_mark, sys_fanotify_mark), // 333
816 LINXY(__NR_prlimit64, sys_prlimit64), // 334
817
818 LINXY(__NR_name_to_handle_at, sys_name_to_handle_at), // 335
819 LINXY(__NR_open_by_handle_at, sys_open_by_handle_at), // 336
820 LINXY(__NR_clock_adjtime, sys_clock_adjtime), // 337
821 LINX_(__NR_syncfs, sys_syncfs), // 338
822 // ?????(__NR_setns, ), // 339
823
824 LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 340
825 LINX_(__NR_process_vm_writev, sys_process_vm_writev), // 341
826 // ?????(__NR_s390_runtime_instr, ), // 342
827 LINX_(__NR_kcmp, sys_kcmp), // 343
828 // ?????(__NR_finit_module, ), // 344
829
830 // ?????(__NR_sched_setattr, ), // 345
831 // ?????(__NR_sched_getattr, ), // 346
832 LINX_(__NR_renameat2, sys_renameat2), // 347
833 // ?????(__NR_seccomp, ), // 348
834 LINXY(__NR_getrandom, sys_getrandom), // 349
835
836 LINXY(__NR_memfd_create, sys_memfd_create), // 350
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 LINXY(__NR_statx, sys_statx), // 379
858 };
859
ML_(get_linux_syscall_entry)860 SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
861 {
862 const UInt syscall_table_size
863 = sizeof(syscall_table) / sizeof(syscall_table[0]);
864
865 /* Is it in the contiguous initial section of the table? */
866 if (sysno < syscall_table_size) {
867 SyscallTableEntry* sys = &syscall_table[sysno];
868 if (sys->before == NULL)
869 return NULL; /* no entry */
870 else
871 return sys;
872 }
873
874 /* Can't find a wrapper */
875 return NULL;
876 }
877
878 #endif
879
880 /*--------------------------------------------------------------------*/
881 /*--- end ---*/
882 /*--------------------------------------------------------------------*/
883