1
2 /*--------------------------------------------------------------------*/
3 /*--- Platform-specific syscalls stuff. syswrap-ppc32-linux.c ---*/
4 /*--------------------------------------------------------------------*/
5
6 /*
7 This file is part of Valgrind, a dynamic binary instrumentation
8 framework.
9
10 Copyright (C) 2005-2017 Nicholas Nethercote <njn@valgrind.org>
11 Copyright (C) 2005-2017 Cerion Armour-Brown <cerion@open-works.co.uk>
12
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2 of the
16 License, or (at your option) any later version.
17
18 This program is distributed in the hope that it will be useful, but
19 WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
22
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software
25 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26 02111-1307, USA.
27
28 The GNU General Public License is contained in the file COPYING.
29 */
30
31 #if defined(VGP_ppc32_linux)
32
33 #include "pub_core_basics.h"
34 #include "pub_core_vki.h"
35 #include "pub_core_vkiscnums.h"
36 #include "pub_core_threadstate.h"
37 #include "pub_core_aspacemgr.h"
38 #include "pub_core_debuglog.h"
39 #include "pub_core_libcbase.h"
40 #include "pub_core_libcassert.h"
41 #include "pub_core_libcprint.h"
42 #include "pub_core_libcproc.h"
43 #include "pub_core_libcsignal.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-main.h"
56
57
58 /* ---------------------------------------------------------------------
59 clone() handling
60 ------------------------------------------------------------------ */
61
62 /* Call f(arg1), but first switch stacks, using 'stack' as the new
63 stack, and use 'retaddr' as f's return-to address. Also, clear all
64 the integer registers before entering f.*/
65 __attribute__((noreturn))
66 void ML_(call_on_new_stack_0_1) ( Addr stack,
67 Addr retaddr,
68 void (*f)(Word),
69 Word arg1 );
70 // r3 = stack
71 // r4 = retaddr
72 // r5 = f
73 // r6 = arg1
74 asm(
75 ".text\n"
76 ".globl vgModuleLocal_call_on_new_stack_0_1\n"
77 "vgModuleLocal_call_on_new_stack_0_1:\n"
78 " mr %r1,%r3\n\t" // stack to %sp
79 " mtlr %r4\n\t" // retaddr to %lr
80 " mtctr %r5\n\t" // f to count reg
81 " mr %r3,%r6\n\t" // arg1 to %r3
82 " li 0,0\n\t" // zero all GP regs
83 " li 4,0\n\t"
84 " li 5,0\n\t"
85 " li 6,0\n\t"
86 " li 7,0\n\t"
87 " li 8,0\n\t"
88 " li 9,0\n\t"
89 " li 10,0\n\t"
90 " li 11,0\n\t"
91 " li 12,0\n\t"
92 " li 13,0\n\t"
93 " li 14,0\n\t"
94 " li 15,0\n\t"
95 " li 16,0\n\t"
96 " li 17,0\n\t"
97 " li 18,0\n\t"
98 " li 19,0\n\t"
99 " li 20,0\n\t"
100 " li 21,0\n\t"
101 " li 22,0\n\t"
102 " li 23,0\n\t"
103 " li 24,0\n\t"
104 " li 25,0\n\t"
105 " li 26,0\n\t"
106 " li 27,0\n\t"
107 " li 28,0\n\t"
108 " li 29,0\n\t"
109 " li 30,0\n\t"
110 " li 31,0\n\t"
111 " mtxer 0\n\t" // CAB: Need this?
112 " mtcr 0\n\t" // CAB: Need this?
113 " bctr\n\t" // jump to dst
114 " trap\n" // should never get here
115 ".previous\n"
116 );
117
118
119 /*
120 Perform a clone system call. clone is strange because it has
121 fork()-like return-twice semantics, so it needs special
122 handling here.
123
124 Upon entry, we have:
125
126 int (fn)(void*) in r3
127 void* child_stack in r4
128 int flags in r5
129 void* arg in r6
130 pid_t* child_tid in r7
131 pid_t* parent_tid in r8
132 void* ??? in r9
133
134 System call requires:
135
136 int $__NR_clone in r0 (sc number)
137 int flags in r3 (sc arg1)
138 void* child_stack in r4 (sc arg2)
139 pid_t* parent_tid in r5 (sc arg3)
140 ?? child_tls in r6 (sc arg4)
141 pid_t* child_tid in r7 (sc arg5)
142 void* ??? in r8 (sc arg6)
143
144 Returns an Int encoded in the linux-ppc32 way, not a SysRes.
145 */
146 #define __NR_CLONE VG_STRINGIFY(__NR_clone)
147 #define __NR_EXIT VG_STRINGIFY(__NR_exit)
148
149 // See priv_syswrap-linux.h for arg profile.
150 asm(
151 ".text\n"
152 ".globl do_syscall_clone_ppc32_linux\n"
153 "do_syscall_clone_ppc32_linux:\n"
154 " stwu 1,-32(1)\n"
155 " stw 29,20(1)\n"
156 " stw 30,24(1)\n"
157 " stw 31,28(1)\n"
158 " mr 30,3\n" // preserve fn
159 " mr 31,6\n" // preserve arg
160
161 // setup child stack
162 " rlwinm 4,4,0,~0xf\n" // trim sp to multiple of 16 bytes
163 " li 0,0\n"
164 " stwu 0,-16(4)\n" // make initial stack frame
165 " mr 29,4\n" // preserve sp
166
167 // setup syscall
168 " li 0,"__NR_CLONE"\n" // syscall number
169 " mr 3,5\n" // syscall arg1: flags
170 // r4 already setup // syscall arg2: child_stack
171 " mr 5,8\n" // syscall arg3: parent_tid
172 " mr 6,2\n" // syscall arg4: REAL THREAD tls
173 " mr 7,7\n" // syscall arg5: child_tid
174 " mr 8,8\n" // syscall arg6: ????
175 " mr 9,9\n" // syscall arg7: ????
176
177 " sc\n" // clone()
178
179 " mfcr 4\n" // return CR in r4 (low word of ULong)
180 " cmpwi 3,0\n" // child if retval == 0
181 " bne 1f\n" // jump if !child
182
183 /* CHILD - call thread function */
184 /* Note: 2.4 kernel doesn't set the child stack pointer,
185 so we do it here.
186 That does leave a small window for a signal to be delivered
187 on the wrong stack, unfortunately. */
188 " mr 1,29\n"
189 " mtctr 30\n" // ctr reg = fn
190 " mr 3,31\n" // r3 = arg
191 " bctrl\n" // call fn()
192
193 // exit with result
194 " li 0,"__NR_EXIT"\n"
195 " sc\n"
196
197 // Exit returned?!
198 " .long 0\n"
199
200 // PARENT or ERROR - return
201 "1: lwz 29,20(1)\n"
202 " lwz 30,24(1)\n"
203 " lwz 31,28(1)\n"
204 " addi 1,1,32\n"
205 " blr\n"
206 ".previous\n"
207 );
208
209 #undef __NR_CLONE
210 #undef __NR_EXIT
211
212
213 /* ---------------------------------------------------------------------
214 More thread stuff
215 ------------------------------------------------------------------ */
216
VG_(cleanup_thread)217 void VG_(cleanup_thread) ( ThreadArchState* arch )
218 {
219 }
220
221 /* ---------------------------------------------------------------------
222 PRE/POST wrappers for ppc32/Linux-specific syscalls
223 ------------------------------------------------------------------ */
224
225 #define PRE(name) DEFN_PRE_TEMPLATE(ppc32_linux, name)
226 #define POST(name) DEFN_POST_TEMPLATE(ppc32_linux, name)
227
228 /* Add prototypes for the wrappers declared here, so that gcc doesn't
229 harass us for not having prototypes. Really this is a kludge --
230 the right thing to do is to make these wrappers 'static' since they
231 aren't visible outside this file, but that requires even more macro
232 magic. */
233
234 DECL_TEMPLATE(ppc32_linux, sys_mmap);
235 DECL_TEMPLATE(ppc32_linux, sys_mmap2);
236 DECL_TEMPLATE(ppc32_linux, sys_stat64);
237 DECL_TEMPLATE(ppc32_linux, sys_lstat64);
238 DECL_TEMPLATE(ppc32_linux, sys_fstatat64);
239 DECL_TEMPLATE(ppc32_linux, sys_fstat64);
240 DECL_TEMPLATE(ppc32_linux, sys_sigreturn);
241 DECL_TEMPLATE(ppc32_linux, sys_rt_sigreturn);
242 DECL_TEMPLATE(ppc32_linux, sys_sigsuspend);
243 DECL_TEMPLATE(ppc32_linux, sys_spu_create);
244 DECL_TEMPLATE(ppc32_linux, sys_spu_run);
245
PRE(sys_mmap)246 PRE(sys_mmap)
247 {
248 SysRes r;
249
250 PRINT("sys_mmap ( %#lx, %lu, %lu, %lu, %lu, %lu )",
251 ARG1, ARG2, ARG3, ARG4, ARG5, ARG6 );
252 PRE_REG_READ6(long, "mmap",
253 unsigned long, start, unsigned long, length,
254 unsigned long, prot, unsigned long, flags,
255 unsigned long, fd, unsigned long, offset);
256
257 r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5,
258 (Off64T)ARG6 );
259 SET_STATUS_from_SysRes(r);
260 }
261
PRE(sys_mmap2)262 PRE(sys_mmap2)
263 {
264 SysRes r;
265
266 // Exactly like old_mmap() except:
267 // - the file offset is specified in 4K units rather than bytes,
268 // so that it can be used for files bigger than 2^32 bytes.
269 PRINT("sys_mmap2 ( %#lx, %lu, %lu, %lu, %lu, %lu )",
270 ARG1, ARG2, ARG3, ARG4, ARG5, ARG6 );
271 PRE_REG_READ6(long, "mmap2",
272 unsigned long, start, unsigned long, length,
273 unsigned long, prot, unsigned long, flags,
274 unsigned long, fd, unsigned long, offset);
275
276 r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5,
277 4096 * (Off64T)ARG6 );
278 SET_STATUS_from_SysRes(r);
279 }
280
281 // XXX: lstat64/fstat64/stat64 are generic, but not necessarily
282 // applicable to every architecture -- I think only to 32-bit archs.
283 // We're going to need something like linux/core_os32.h for such
284 // things, eventually, I think. --njn
PRE(sys_stat64)285 PRE(sys_stat64)
286 {
287 PRINT("sys_stat64 ( %#lx, %#lx )",ARG1,ARG2);
288 PRE_REG_READ2(long, "stat64", char *, file_name, struct stat64 *, buf);
289 PRE_MEM_RASCIIZ( "stat64(file_name)", ARG1 );
290 PRE_MEM_WRITE( "stat64(buf)", ARG2, sizeof(struct vki_stat64) );
291 }
292
POST(sys_stat64)293 POST(sys_stat64)
294 {
295 POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) );
296 }
297
PRE(sys_lstat64)298 PRE(sys_lstat64)
299 {
300 PRINT("sys_lstat64 ( %#lx(%s), %#lx )", ARG1, (HChar*)ARG1, ARG2);
301 PRE_REG_READ2(long, "lstat64", char *, file_name, struct stat64 *, buf);
302 PRE_MEM_RASCIIZ( "lstat64(file_name)", ARG1 );
303 PRE_MEM_WRITE( "lstat64(buf)", ARG2, sizeof(struct vki_stat64) );
304 }
305
POST(sys_lstat64)306 POST(sys_lstat64)
307 {
308 vg_assert(SUCCESS);
309 if (RES == 0) {
310 POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) );
311 }
312 }
313
PRE(sys_fstatat64)314 PRE(sys_fstatat64)
315 {
316 PRINT("sys_fstatat64 ( %ld, %#lx(%s), %#lx )", SARG1, ARG2, (HChar*)ARG2,
317 ARG3);
318 PRE_REG_READ3(long, "fstatat64",
319 int, dfd, char *, file_name, struct stat64 *, buf);
320 PRE_MEM_RASCIIZ( "fstatat64(file_name)", ARG2 );
321 PRE_MEM_WRITE( "fstatat64(buf)", ARG3, sizeof(struct vki_stat64) );
322 }
323
POST(sys_fstatat64)324 POST(sys_fstatat64)
325 {
326 POST_MEM_WRITE( ARG3, sizeof(struct vki_stat64) );
327 }
328
PRE(sys_fstat64)329 PRE(sys_fstat64)
330 {
331 PRINT("sys_fstat64 ( %lu, %#lx )", ARG1, ARG2);
332 PRE_REG_READ2(long, "fstat64", unsigned long, fd, struct stat64 *, buf);
333 PRE_MEM_WRITE( "fstat64(buf)", ARG2, sizeof(struct vki_stat64) );
334 }
335
POST(sys_fstat64)336 POST(sys_fstat64)
337 {
338 POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) );
339 }
340
341
342
343 //.. PRE(old_select, MayBlock)
344 //.. {
345 //.. /* struct sel_arg_struct {
346 //.. unsigned long n;
347 //.. fd_set *inp, *outp, *exp;
348 //.. struct timeval *tvp;
349 //.. };
350 //.. */
351 //.. PRE_REG_READ1(long, "old_select", struct sel_arg_struct *, args);
352 //.. PRE_MEM_READ( "old_select(args)", ARG1, 5*sizeof(UWord) );
353 //..
354 //.. {
355 //.. UInt* arg_struct = (UInt*)ARG1;
356 //.. UInt a1, a2, a3, a4, a5;
357 //..
358 //.. a1 = arg_struct[0];
359 //.. a2 = arg_struct[1];
360 //.. a3 = arg_struct[2];
361 //.. a4 = arg_struct[3];
362 //.. a5 = arg_struct[4];
363 //..
364 //.. PRINT("old_select ( %d, %p, %p, %p, %p )", a1,a2,a3,a4,a5);
365 //.. if (a2 != (Addr)NULL)
366 //.. PRE_MEM_READ( "old_select(readfds)", a2, a1/8 /* __FD_SETSIZE/8 */ );
367 //.. if (a3 != (Addr)NULL)
368 //.. PRE_MEM_READ( "old_select(writefds)", a3, a1/8 /* __FD_SETSIZE/8 */ );
369 //.. if (a4 != (Addr)NULL)
370 //.. PRE_MEM_READ( "old_select(exceptfds)", a4, a1/8 /* __FD_SETSIZE/8 */ );
371 //.. if (a5 != (Addr)NULL)
372 //.. PRE_MEM_READ( "old_select(timeout)", a5, sizeof(struct vki_timeval) );
373 //.. }
374 //.. }
375
PRE(sys_sigreturn)376 PRE(sys_sigreturn)
377 {
378 /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for
379 an explanation of what follows. */
380
381 //ThreadState* tst;
382 PRINT("sys_sigreturn ( )");
383
384 vg_assert(VG_(is_valid_tid)(tid));
385 vg_assert(tid >= 1 && tid < VG_N_THREADS);
386 vg_assert(VG_(is_running_thread)(tid));
387
388 ///* Adjust esp to point to start of frame; skip back up over
389 // sigreturn sequence's "popl %eax" and handler ret addr */
390 //tst = VG_(get_ThreadState)(tid);
391 //tst->arch.vex.guest_ESP -= sizeof(Addr)+sizeof(Word);
392 // Should we do something equivalent on ppc32? Who knows.
393
394 ///* This is only so that the EIP is (might be) useful to report if
395 // something goes wrong in the sigreturn */
396 //ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
397 // Should we do something equivalent on ppc32? Who knows.
398
399 /* Restore register state from frame and remove it */
400 VG_(sigframe_destroy)(tid, False);
401
402 /* Tell the driver not to update the guest state with the "result",
403 and set a bogus result to keep it happy. */
404 *flags |= SfNoWriteResult;
405 SET_STATUS_Success(0);
406
407 /* Check to see if any signals arose as a result of this. */
408 *flags |= SfPollAfter;
409 }
410
PRE(sys_rt_sigreturn)411 PRE(sys_rt_sigreturn)
412 {
413 /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for
414 an explanation of what follows. */
415
416 //ThreadState* tst;
417 PRINT("rt_sigreturn ( )");
418
419 vg_assert(VG_(is_valid_tid)(tid));
420 vg_assert(tid >= 1 && tid < VG_N_THREADS);
421 vg_assert(VG_(is_running_thread)(tid));
422
423 ///* Adjust esp to point to start of frame; skip back up over handler
424 // ret addr */
425 //tst = VG_(get_ThreadState)(tid);
426 //tst->arch.vex.guest_ESP -= sizeof(Addr);
427 // Should we do something equivalent on ppc32? Who knows.
428
429 ///* This is only so that the EIP is (might be) useful to report if
430 // something goes wrong in the sigreturn */
431 //ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
432 // Should we do something equivalent on ppc32? Who knows.
433
434 /* Restore register state from frame and remove it */
435 VG_(sigframe_destroy)(tid, True);
436
437 /* Tell the driver not to update the guest state with the "result",
438 and set a bogus result to keep it happy. */
439 *flags |= SfNoWriteResult;
440 SET_STATUS_Success(0);
441
442 /* Check to see if any signals arose as a result of this. */
443 *flags |= SfPollAfter;
444 }
445
446
447 //.. PRE(sys_modify_ldt, Special)
448 //.. {
449 //.. PRINT("sys_modify_ldt ( %d, %p, %d )", ARG1,ARG2,ARG3);
450 //.. PRE_REG_READ3(int, "modify_ldt", int, func, void *, ptr,
451 //.. unsigned long, bytecount);
452 //..
453 //.. if (ARG1 == 0) {
454 //.. /* read the LDT into ptr */
455 //.. PRE_MEM_WRITE( "modify_ldt(ptr)", ARG2, ARG3 );
456 //.. }
457 //.. if (ARG1 == 1 || ARG1 == 0x11) {
458 //.. /* write the LDT with the entry pointed at by ptr */
459 //.. PRE_MEM_READ( "modify_ldt(ptr)", ARG2, sizeof(vki_modify_ldt_t) );
460 //.. }
461 //.. /* "do" the syscall ourselves; the kernel never sees it */
462 //.. SET_RESULT( VG_(sys_modify_ldt)( tid, ARG1, (void*)ARG2, ARG3 ) );
463 //..
464 //.. if (ARG1 == 0 && !VG_(is_kerror)(RES) && RES > 0) {
465 //.. POST_MEM_WRITE( ARG2, RES );
466 //.. }
467 //.. }
468
469 //.. PRE(sys_set_thread_area, Special)
470 //.. {
471 //.. PRINT("sys_set_thread_area ( %p )", ARG1);
472 //.. PRE_REG_READ1(int, "set_thread_area", struct user_desc *, u_info)
473 //.. PRE_MEM_READ( "set_thread_area(u_info)", ARG1, sizeof(vki_modify_ldt_t) );
474 //..
475 //.. /* "do" the syscall ourselves; the kernel never sees it */
476 //.. SET_RESULT( VG_(sys_set_thread_area)( tid, (void *)ARG1 ) );
477 //.. }
478
479 //.. PRE(sys_get_thread_area, Special)
480 //.. {
481 //.. PRINT("sys_get_thread_area ( %p )", ARG1);
482 //.. PRE_REG_READ1(int, "get_thread_area", struct user_desc *, u_info)
483 //.. PRE_MEM_WRITE( "get_thread_area(u_info)", ARG1, sizeof(vki_modify_ldt_t) );
484 //..
485 //.. /* "do" the syscall ourselves; the kernel never sees it */
486 //.. SET_RESULT( VG_(sys_get_thread_area)( tid, (void *)ARG1 ) );
487 //..
488 //.. if (!VG_(is_kerror)(RES)) {
489 //.. POST_MEM_WRITE( ARG1, sizeof(vki_modify_ldt_t) );
490 //.. }
491 //.. }
492
493 //.. // Parts of this are ppc32-specific, but the *PEEK* cases are generic.
494 //.. // XXX: Why is the memory pointed to by ARG3 never checked?
495 //.. PRE(sys_ptrace, 0)
496 //.. {
497 //.. PRINT("sys_ptrace ( %d, %d, %p, %p )", ARG1,ARG2,ARG3,ARG4);
498 //.. PRE_REG_READ4(int, "ptrace",
499 //.. long, request, long, pid, long, addr, long, data);
500 //.. switch (ARG1) {
501 //.. case VKI_PTRACE_PEEKTEXT:
502 //.. case VKI_PTRACE_PEEKDATA:
503 //.. case VKI_PTRACE_PEEKUSR:
504 //.. PRE_MEM_WRITE( "ptrace(peek)", ARG4,
505 //.. sizeof (long));
506 //.. break;
507 //.. case VKI_PTRACE_GETREGS:
508 //.. PRE_MEM_WRITE( "ptrace(getregs)", ARG4,
509 //.. sizeof (struct vki_user_regs_struct));
510 //.. break;
511 //.. case VKI_PTRACE_GETFPREGS:
512 //.. PRE_MEM_WRITE( "ptrace(getfpregs)", ARG4,
513 //.. sizeof (struct vki_user_i387_struct));
514 //.. break;
515 //.. case VKI_PTRACE_GETFPXREGS:
516 //.. PRE_MEM_WRITE( "ptrace(getfpxregs)", ARG4,
517 //.. sizeof(struct vki_user_fxsr_struct) );
518 //.. break;
519 //.. case VKI_PTRACE_SETREGS:
520 //.. PRE_MEM_READ( "ptrace(setregs)", ARG4,
521 //.. sizeof (struct vki_user_regs_struct));
522 //.. break;
523 //.. case VKI_PTRACE_SETFPREGS:
524 //.. PRE_MEM_READ( "ptrace(setfpregs)", ARG4,
525 //.. sizeof (struct vki_user_i387_struct));
526 //.. break;
527 //.. case VKI_PTRACE_SETFPXREGS:
528 //.. PRE_MEM_READ( "ptrace(setfpxregs)", ARG4,
529 //.. sizeof(struct vki_user_fxsr_struct) );
530 //.. break;
531 //.. default:
532 //.. break;
533 //.. }
534 //.. }
535
536 //.. POST(sys_ptrace)
537 //.. {
538 //.. switch (ARG1) {
539 //.. case VKI_PTRACE_PEEKTEXT:
540 //.. case VKI_PTRACE_PEEKDATA:
541 //.. case VKI_PTRACE_PEEKUSR:
542 //.. POST_MEM_WRITE( ARG4, sizeof (long));
543 //.. break;
544 //.. case VKI_PTRACE_GETREGS:
545 //.. POST_MEM_WRITE( ARG4, sizeof (struct vki_user_regs_struct));
546 //.. break;
547 //.. case VKI_PTRACE_GETFPREGS:
548 //.. POST_MEM_WRITE( ARG4, sizeof (struct vki_user_i387_struct));
549 //.. break;
550 //.. case VKI_PTRACE_GETFPXREGS:
551 //.. POST_MEM_WRITE( ARG4, sizeof(struct vki_user_fxsr_struct) );
552 //.. break;
553 //.. default:
554 //.. break;
555 //.. }
556 //.. }
557
558 /* NB: This is an almost identical clone of versions for x86-linux and
559 arm-linux, which are themselves literally identical. */
PRE(sys_sigsuspend)560 PRE(sys_sigsuspend)
561 {
562 /* The C library interface to sigsuspend just takes a pointer to
563 a signal mask but this system call only takes the first word of
564 the signal mask as an argument so only 32 signals are supported.
565
566 In fact glibc normally uses rt_sigsuspend if it is available as
567 that takes a pointer to the signal mask so supports more signals.
568 */
569 *flags |= SfMayBlock;
570 PRINT("sys_sigsuspend ( %lu )", ARG1 );
571 PRE_REG_READ1(int, "sigsuspend", vki_old_sigset_t, mask);
572 }
573
PRE(sys_spu_create)574 PRE(sys_spu_create)
575 {
576 PRE_MEM_RASCIIZ("stat64(filename)", ARG1);
577 }
POST(sys_spu_create)578 POST(sys_spu_create)
579 {
580 vg_assert(SUCCESS);
581 }
582
PRE(sys_spu_run)583 PRE(sys_spu_run)
584 {
585 *flags |= SfMayBlock;
586 if (ARG2 != 0)
587 PRE_MEM_WRITE("npc", ARG2, sizeof(unsigned int));
588 PRE_MEM_READ("event", ARG3, sizeof(unsigned int));
589 }
POST(sys_spu_run)590 POST(sys_spu_run)
591 {
592 if (ARG2 != 0)
593 POST_MEM_WRITE(ARG2, sizeof(unsigned int));
594 }
595
596 #undef PRE
597 #undef POST
598
599 /* ---------------------------------------------------------------------
600 The ppc32/Linux syscall table
601 ------------------------------------------------------------------ */
602
603 /* Add an ppc32-linux specific wrapper to a syscall table. */
604 #define PLAX_(sysno, name) WRAPPER_ENTRY_X_(ppc32_linux, sysno, name)
605 #define PLAXY(sysno, name) WRAPPER_ENTRY_XY(ppc32_linux, sysno, name)
606
607 // This table maps from __NR_xxx syscall numbers (from
608 // linux/include/asm-ppc/unistd.h) to the appropriate PRE/POST sys_foo()
609 // wrappers on ppc32 (as per sys_call_table in linux/arch/ppc/kernel/entry.S).
610 //
611 // For those syscalls not handled by Valgrind, the annotation indicate its
612 // arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/?
613 // (unknown).
614
615 static SyscallTableEntry syscall_table[] = {
616 //.. (restart_syscall) // 0
617 GENX_(__NR_exit, sys_exit), // 1
618 GENX_(__NR_fork, sys_fork), // 2
619 GENXY(__NR_read, sys_read), // 3
620 GENX_(__NR_write, sys_write), // 4
621
622 GENXY(__NR_open, sys_open), // 5
623 GENXY(__NR_close, sys_close), // 6
624 GENXY(__NR_waitpid, sys_waitpid), // 7
625 GENXY(__NR_creat, sys_creat), // 8
626 GENX_(__NR_link, sys_link), // 9
627
628 GENX_(__NR_unlink, sys_unlink), // 10
629 GENX_(__NR_execve, sys_execve), // 11
630 GENX_(__NR_chdir, sys_chdir), // 12
631 GENXY(__NR_time, sys_time), // 13
632 GENX_(__NR_mknod, sys_mknod), // 14
633 //..
634 GENX_(__NR_chmod, sys_chmod), // 15
635 GENX_(__NR_lchown, sys_lchown), // 16 ## P
636 //.. GENX_(__NR_break, sys_ni_syscall), // 17
637 //.. // (__NR_oldstat, sys_stat), // 18 (obsolete)
638 LINX_(__NR_lseek, sys_lseek), // 19
639 //..
640 GENX_(__NR_getpid, sys_getpid), // 20
641 LINX_(__NR_mount, sys_mount), // 21
642 LINX_(__NR_umount, sys_oldumount), // 22
643 GENX_(__NR_setuid, sys_setuid), // 23 ## P
644 GENX_(__NR_getuid, sys_getuid), // 24 ## P
645 //..
646 //.. // (__NR_stime, sys_stime), // 25 * (SVr4,SVID,X/OPEN)
647 //.. PLAXY(__NR_ptrace, sys_ptrace), // 26
648 GENX_(__NR_alarm, sys_alarm), // 27
649 //.. // (__NR_oldfstat, sys_fstat), // 28 * L -- obsolete
650 GENX_(__NR_pause, sys_pause), // 29
651 //..
652 LINX_(__NR_utime, sys_utime), // 30
653 //.. GENX_(__NR_stty, sys_ni_syscall), // 31
654 //.. GENX_(__NR_gtty, sys_ni_syscall), // 32
655 GENX_(__NR_access, sys_access), // 33
656 //.. GENX_(__NR_nice, sys_nice), // 34
657 //..
658 //.. GENX_(__NR_ftime, sys_ni_syscall), // 35
659 GENX_(__NR_sync, sys_sync), // 36
660 GENX_(__NR_kill, sys_kill), // 37
661 GENX_(__NR_rename, sys_rename), // 38
662 GENX_(__NR_mkdir, sys_mkdir), // 39
663
664 GENX_(__NR_rmdir, sys_rmdir), // 40
665 GENXY(__NR_dup, sys_dup), // 41
666 LINXY(__NR_pipe, sys_pipe), // 42
667 GENXY(__NR_times, sys_times), // 43
668 //.. GENX_(__NR_prof, sys_ni_syscall), // 44
669 //..
670 GENX_(__NR_brk, sys_brk), // 45
671 GENX_(__NR_setgid, sys_setgid), // 46
672 GENX_(__NR_getgid, sys_getgid), // 47
673 //.. // (__NR_signal, sys_signal), // 48 */* (ANSI C)
674 GENX_(__NR_geteuid, sys_geteuid), // 49
675
676 GENX_(__NR_getegid, sys_getegid), // 50
677 //.. GENX_(__NR_acct, sys_acct), // 51
678 LINX_(__NR_umount2, sys_umount), // 52
679 //.. GENX_(__NR_lock, sys_ni_syscall), // 53
680 LINXY(__NR_ioctl, sys_ioctl), // 54
681 //..
682 LINXY(__NR_fcntl, sys_fcntl), // 55
683 //.. GENX_(__NR_mpx, sys_ni_syscall), // 56
684 GENX_(__NR_setpgid, sys_setpgid), // 57
685 //.. GENX_(__NR_ulimit, sys_ni_syscall), // 58
686 //.. // (__NR_oldolduname, sys_olduname), // 59 Linux -- obsolete
687
688 GENX_(__NR_umask, sys_umask), // 60
689 GENX_(__NR_chroot, sys_chroot), // 61
690 //.. // (__NR_ustat, sys_ustat) // 62 SVr4 -- deprecated
691 GENXY(__NR_dup2, sys_dup2), // 63
692 GENX_(__NR_getppid, sys_getppid), // 64
693
694 GENX_(__NR_getpgrp, sys_getpgrp), // 65
695 GENX_(__NR_setsid, sys_setsid), // 66
696 LINXY(__NR_sigaction, sys_sigaction), // 67
697 //.. // (__NR_sgetmask, sys_sgetmask), // 68 */* (ANSI C)
698 //.. // (__NR_ssetmask, sys_ssetmask), // 69 */* (ANSI C)
699 //..
700 GENX_(__NR_setreuid, sys_setreuid), // 70
701 GENX_(__NR_setregid, sys_setregid), // 71
702 PLAX_(__NR_sigsuspend, sys_sigsuspend), // 72
703 LINXY(__NR_sigpending, sys_sigpending), // 73
704 //.. // (__NR_sethostname, sys_sethostname), // 74 */*
705 //..
706 GENX_(__NR_setrlimit, sys_setrlimit), // 75
707 //.. GENXY(__NR_getrlimit, sys_old_getrlimit), // 76
708 GENXY(__NR_getrusage, sys_getrusage), // 77
709 GENXY(__NR_gettimeofday, sys_gettimeofday), // 78
710 //.. GENX_(__NR_settimeofday, sys_settimeofday), // 79
711 //..
712 GENXY(__NR_getgroups, sys_getgroups), // 80
713 GENX_(__NR_setgroups, sys_setgroups), // 81
714 //.. PLAX_(__NR_select, old_select), // 82
715 GENX_(__NR_symlink, sys_symlink), // 83
716 //.. // (__NR_oldlstat, sys_lstat), // 84 -- obsolete
717 //..
718 GENX_(__NR_readlink, sys_readlink), // 85
719 //.. // (__NR_uselib, sys_uselib), // 86 */Linux
720 //.. // (__NR_swapon, sys_swapon), // 87 */Linux
721 //.. // (__NR_reboot, sys_reboot), // 88 */Linux
722 //.. // (__NR_readdir, old_readdir), // 89 -- superseded
723
724 PLAX_(__NR_mmap, sys_mmap), // 90
725 GENXY(__NR_munmap, sys_munmap), // 91
726 GENX_(__NR_truncate, sys_truncate), // 92
727 GENX_(__NR_ftruncate, sys_ftruncate), // 93
728 GENX_(__NR_fchmod, sys_fchmod), // 94
729
730 GENX_(__NR_fchown, sys_fchown), // 95
731 GENX_(__NR_getpriority, sys_getpriority), // 96
732 GENX_(__NR_setpriority, sys_setpriority), // 97
733 //.. GENX_(__NR_profil, sys_ni_syscall), // 98
734 GENXY(__NR_statfs, sys_statfs), // 99
735 //..
736 GENXY(__NR_fstatfs, sys_fstatfs), // 100
737 //.. LINX_(__NR_ioperm, sys_ioperm), // 101
738 LINXY(__NR_socketcall, sys_socketcall), // 102
739 LINXY(__NR_syslog, sys_syslog), // 103
740 GENXY(__NR_setitimer, sys_setitimer), // 104
741
742 GENXY(__NR_getitimer, sys_getitimer), // 105
743 GENXY(__NR_stat, sys_newstat), // 106
744 GENXY(__NR_lstat, sys_newlstat), // 107
745 GENXY(__NR_fstat, sys_newfstat), // 108
746 //.. // (__NR_olduname, sys_uname), // 109 -- obsolete
747 //..
748 //.. GENX_(__NR_iopl, sys_iopl), // 110
749 LINX_(__NR_vhangup, sys_vhangup), // 111
750 //.. GENX_(__NR_idle, sys_ni_syscall), // 112
751 //.. // (__NR_vm86old, sys_vm86old), // 113 x86/Linux-only
752 GENXY(__NR_wait4, sys_wait4), // 114
753 //..
754 //.. // (__NR_swapoff, sys_swapoff), // 115 */Linux
755 LINXY(__NR_sysinfo, sys_sysinfo), // 116
756 LINXY(__NR_ipc, sys_ipc), // 117
757 GENX_(__NR_fsync, sys_fsync), // 118
758 PLAX_(__NR_sigreturn, sys_sigreturn), // 119 ?/Linux
759 //..
760 LINX_(__NR_clone, sys_clone), // 120
761 //.. // (__NR_setdomainname, sys_setdomainname), // 121 */*(?)
762 GENXY(__NR_uname, sys_newuname), // 122
763 //.. PLAX_(__NR_modify_ldt, sys_modify_ldt), // 123
764 LINXY(__NR_adjtimex, sys_adjtimex), // 124
765
766 GENXY(__NR_mprotect, sys_mprotect), // 125
767 LINXY(__NR_sigprocmask, sys_sigprocmask), // 126
768 GENX_(__NR_create_module, sys_ni_syscall), // 127
769 LINX_(__NR_init_module, sys_init_module), // 128
770 LINX_(__NR_delete_module, sys_delete_module), // 129
771 //..
772 //.. // Nb: get_kernel_syms() was removed 2.4-->2.6
773 //.. GENX_(__NR_get_kernel_syms, sys_ni_syscall), // 130
774 //.. LINX_(__NR_quotactl, sys_quotactl), // 131
775 GENX_(__NR_getpgid, sys_getpgid), // 132
776 GENX_(__NR_fchdir, sys_fchdir), // 133
777 //.. // (__NR_bdflush, sys_bdflush), // 134 */Linux
778 //..
779 //.. // (__NR_sysfs, sys_sysfs), // 135 SVr4
780 LINX_(__NR_personality, sys_personality), // 136
781 //.. GENX_(__NR_afs_syscall, sys_ni_syscall), // 137
782 LINX_(__NR_setfsuid, sys_setfsuid), // 138
783 LINX_(__NR_setfsgid, sys_setfsgid), // 139
784
785 LINXY(__NR__llseek, sys_llseek), // 140
786 GENXY(__NR_getdents, sys_getdents), // 141
787 GENX_(__NR__newselect, sys_select), // 142
788 GENX_(__NR_flock, sys_flock), // 143
789 GENX_(__NR_msync, sys_msync), // 144
790 //..
791 GENXY(__NR_readv, sys_readv), // 145
792 GENX_(__NR_writev, sys_writev), // 146
793 GENX_(__NR_getsid, sys_getsid), // 147
794 GENX_(__NR_fdatasync, sys_fdatasync), // 148
795 LINXY(__NR__sysctl, sys_sysctl), // 149
796 //..
797 GENX_(__NR_mlock, sys_mlock), // 150
798 GENX_(__NR_munlock, sys_munlock), // 151
799 GENX_(__NR_mlockall, sys_mlockall), // 152
800 LINX_(__NR_munlockall, sys_munlockall), // 153
801 LINXY(__NR_sched_setparam, sys_sched_setparam), // 154
802 //..
803 LINXY(__NR_sched_getparam, sys_sched_getparam), // 155
804 LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156
805 LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157
806 LINX_(__NR_sched_yield, sys_sched_yield), // 158
807 LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max),// 159
808
809 LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min),// 160
810 LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 161
811 GENXY(__NR_nanosleep, sys_nanosleep), // 162
812 GENX_(__NR_mremap, sys_mremap), // 163
813 LINX_(__NR_setresuid, sys_setresuid), // 164
814
815 LINXY(__NR_getresuid, sys_getresuid), // 165
816
817 //.. GENX_(__NR_query_module, sys_ni_syscall), // 166
818 GENXY(__NR_poll, sys_poll), // 167
819 //.. // (__NR_nfsservctl, sys_nfsservctl), // 168 */Linux
820 //..
821 LINX_(__NR_setresgid, sys_setresgid), // 169
822 LINXY(__NR_getresgid, sys_getresgid), // 170
823 LINXY(__NR_prctl, sys_prctl), // 171
824 PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 172
825 LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 173
826
827 LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 174
828 LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 175
829 LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 176
830 LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 177
831 LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 178
832
833 GENXY(__NR_pread64, sys_pread64), // 179
834 GENX_(__NR_pwrite64, sys_pwrite64), // 180
835 GENX_(__NR_chown, sys_chown), // 181
836 GENXY(__NR_getcwd, sys_getcwd), // 182
837 LINXY(__NR_capget, sys_capget), // 183
838 LINX_(__NR_capset, sys_capset), // 184
839 GENXY(__NR_sigaltstack, sys_sigaltstack), // 185
840 LINXY(__NR_sendfile, sys_sendfile), // 186
841 //.. GENXY(__NR_getpmsg, sys_getpmsg), // 187
842 //.. GENX_(__NR_putpmsg, sys_putpmsg), // 188
843
844 // Nb: we treat vfork as fork
845 GENX_(__NR_vfork, sys_fork), // 189
846 GENXY(__NR_ugetrlimit, sys_getrlimit), // 190
847 LINX_(__NR_readahead, sys_readahead), // 191 */Linux
848 PLAX_(__NR_mmap2, sys_mmap2), // 192
849 GENX_(__NR_truncate64, sys_truncate64), // 193
850 GENX_(__NR_ftruncate64, sys_ftruncate64), // 194
851 //..
852
853 PLAXY(__NR_stat64, sys_stat64), // 195
854 PLAXY(__NR_lstat64, sys_lstat64), // 196
855 PLAXY(__NR_fstat64, sys_fstat64), // 197
856
857 // __NR_pciconfig_read // 198
858 // __NR_pciconfig_write // 199
859 // __NR_pciconfig_iobase // 200
860 // __NR_multiplexer // 201
861
862 GENXY(__NR_getdents64, sys_getdents64), // 202
863 LINX_(__NR_pivot_root, sys_pivot_root), // 203
864 LINXY(__NR_fcntl64, sys_fcntl64), // 204
865 GENX_(__NR_madvise, sys_madvise), // 205
866 GENXY(__NR_mincore, sys_mincore), // 206
867 LINX_(__NR_gettid, sys_gettid), // 207
868 //.. LINX_(__NR_tkill, sys_tkill), // 208 */Linux
869 LINX_(__NR_setxattr, sys_setxattr), // 209
870 LINX_(__NR_lsetxattr, sys_lsetxattr), // 210
871 LINX_(__NR_fsetxattr, sys_fsetxattr), // 211
872 LINXY(__NR_getxattr, sys_getxattr), // 212
873 LINXY(__NR_lgetxattr, sys_lgetxattr), // 213
874 LINXY(__NR_fgetxattr, sys_fgetxattr), // 214
875 LINXY(__NR_listxattr, sys_listxattr), // 215
876 LINXY(__NR_llistxattr, sys_llistxattr), // 216
877 LINXY(__NR_flistxattr, sys_flistxattr), // 217
878 LINX_(__NR_removexattr, sys_removexattr), // 218
879 LINX_(__NR_lremovexattr, sys_lremovexattr), // 219
880 LINX_(__NR_fremovexattr, sys_fremovexattr), // 220
881
882 LINXY(__NR_futex, sys_futex), // 221
883 LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 222
884 LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 223
885 /* 224 currently unused */
886
887 // __NR_tuxcall // 225
888
889 LINXY(__NR_sendfile64, sys_sendfile64), // 226
890 //..
891 LINX_(__NR_io_setup, sys_io_setup), // 227
892 LINX_(__NR_io_destroy, sys_io_destroy), // 228
893 LINXY(__NR_io_getevents, sys_io_getevents), // 229
894 LINX_(__NR_io_submit, sys_io_submit), // 230
895 LINXY(__NR_io_cancel, sys_io_cancel), // 231
896 //..
897 LINX_(__NR_set_tid_address, sys_set_tid_address), // 232
898
899 LINX_(__NR_fadvise64, sys_fadvise64), // 233 */(Linux?)
900 LINX_(__NR_exit_group, sys_exit_group), // 234
901 //.. GENXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 235
902 LINXY(__NR_epoll_create, sys_epoll_create), // 236
903 LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 237
904 LINXY(__NR_epoll_wait, sys_epoll_wait), // 238
905
906 //.. // (__NR_remap_file_pages, sys_remap_file_pages), // 239 */Linux
907 LINXY(__NR_timer_create, sys_timer_create), // 240
908 LINXY(__NR_timer_settime, sys_timer_settime), // 241
909 LINXY(__NR_timer_gettime, sys_timer_gettime), // 242
910 LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 243
911 LINX_(__NR_timer_delete, sys_timer_delete), // 244
912 LINX_(__NR_clock_settime, sys_clock_settime), // 245
913 LINXY(__NR_clock_gettime, sys_clock_gettime), // 246
914 LINXY(__NR_clock_getres, sys_clock_getres), // 247
915 LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 248
916
917 // __NR_swapcontext // 249
918
919 LINXY(__NR_tgkill, sys_tgkill), // 250 */Linux
920 //.. GENX_(__NR_utimes, sys_utimes), // 251
921 GENXY(__NR_statfs64, sys_statfs64), // 252
922 GENXY(__NR_fstatfs64, sys_fstatfs64), // 253
923 LINX_(__NR_fadvise64_64, sys_fadvise64_64), // 254 */(Linux?)
924
925 // __NR_rtas // 255
926
927 /* Number 256 is reserved for sys_debug_setcontext */
928 /* Number 257 is reserved for vserver */
929 /* Number 258 is reserved for new sys_remap_file_pages */
930 LINX_(__NR_mbind, sys_mbind), // 259
931 LINXY(__NR_get_mempolicy, sys_get_mempolicy), // 260
932 LINX_(__NR_set_mempolicy, sys_set_mempolicy), // 261
933
934 LINXY(__NR_mq_open, sys_mq_open), // 262
935 LINX_(__NR_mq_unlink, sys_mq_unlink), // 263
936 LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 264
937 LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 265
938 LINX_(__NR_mq_notify, sys_mq_notify), // 266
939 LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 267
940 // __NR_kexec_load // 268
941
942 /* Number 269 is reserved for sys_add_key */
943 /* Number 270 is reserved for sys_request_key */
944 /* Number 271 is reserved for sys_keyctl */
945 /* Number 272 is reserved for sys_waitid */
946 LINX_(__NR_ioprio_set, sys_ioprio_set), // 273
947 LINX_(__NR_ioprio_get, sys_ioprio_get), // 274
948
949 LINX_(__NR_inotify_init, sys_inotify_init), // 275
950 LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 276
951 LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 277
952 PLAXY(__NR_spu_run, sys_spu_run), // 278
953 PLAX_(__NR_spu_create, sys_spu_create), // 279
954
955 LINXY(__NR_pselect6, sys_pselect6), // 280
956 LINXY(__NR_ppoll, sys_ppoll), // 281
957
958 LINXY(__NR_openat, sys_openat), // 286
959 LINX_(__NR_mkdirat, sys_mkdirat), // 287
960 LINX_(__NR_mknodat, sys_mknodat), // 288
961 LINX_(__NR_fchownat, sys_fchownat), // 289
962 LINX_(__NR_futimesat, sys_futimesat), // 290
963 PLAXY(__NR_fstatat64, sys_fstatat64), // 291
964 LINX_(__NR_unlinkat, sys_unlinkat), // 292
965 LINX_(__NR_renameat, sys_renameat), // 293
966 LINX_(__NR_linkat, sys_linkat), // 294
967 LINX_(__NR_symlinkat, sys_symlinkat), // 295
968 LINX_(__NR_readlinkat, sys_readlinkat), // 296
969 LINX_(__NR_fchmodat, sys_fchmodat), // 297
970 LINX_(__NR_faccessat, sys_faccessat), // 298
971 LINX_(__NR_set_robust_list, sys_set_robust_list), // 299
972 LINXY(__NR_get_robust_list, sys_get_robust_list), // 300
973 LINXY(__NR_move_pages, sys_move_pages), // 301
974 LINXY(__NR_getcpu, sys_getcpu), // 302
975 LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 303
976 LINX_(__NR_utimensat, sys_utimensat), // 304
977 LINXY(__NR_signalfd, sys_signalfd), // 305
978 LINXY(__NR_timerfd_create, sys_timerfd_create), // 306
979 LINXY(__NR_eventfd, sys_eventfd), // 307
980 LINX_(__NR_sync_file_range2, sys_sync_file_range2), // 308
981 LINX_(__NR_fallocate, sys_fallocate), // 309
982 // LINXY(__NR_subpage_prot, sys_ni_syscall), // 310
983 LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 311
984 LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 312
985 LINXY(__NR_signalfd4, sys_signalfd4), // 313
986 LINXY(__NR_eventfd2, sys_eventfd2), // 314
987 LINXY(__NR_epoll_create1, sys_epoll_create1), // 315
988 LINXY(__NR_dup3, sys_dup3), // 316
989 LINXY(__NR_pipe2, sys_pipe2), // 317
990 LINXY(__NR_inotify_init1, sys_inotify_init1), // 318
991 LINXY(__NR_perf_event_open, sys_perf_event_open), // 319
992 LINXY(__NR_preadv, sys_preadv), // 320
993 LINX_(__NR_pwritev, sys_pwritev), // 321
994 LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo),// 322
995
996 LINXY(__NR_socket, sys_socket), // 326
997 LINX_(__NR_bind, sys_bind), // 327
998 LINX_(__NR_connect, sys_connect), // 328
999 LINX_(__NR_listen, sys_listen), // 329
1000 LINXY(__NR_accept, sys_accept), // 330
1001 LINXY(__NR_getsockname, sys_getsockname), // 331
1002 LINXY(__NR_getpeername, sys_getpeername), // 332
1003
1004 LINX_(__NR_send, sys_send), // 334
1005 LINX_(__NR_sendto, sys_sendto), // 335
1006 LINXY(__NR_recv, sys_recv), // 336
1007 LINXY(__NR_recvfrom, sys_recvfrom), // 337
1008 LINX_(__NR_shutdown, sys_shutdown), // 338
1009 LINX_(__NR_setsockopt, sys_setsockopt), // 339
1010
1011 LINXY(__NR_recvmmsg, sys_recvmmsg), // 343
1012 LINXY(__NR_accept4, sys_accept4), // 344
1013
1014 LINX_(__NR_clock_adjtime, sys_clock_adjtime), // 347
1015 LINX_(__NR_syncfs, sys_syncfs), // 348
1016 LINXY(__NR_sendmmsg, sys_sendmmsg), // 349
1017
1018 LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 351
1019 LINX_(__NR_process_vm_writev, sys_process_vm_writev),// 352
1020
1021 LINXY(__NR_getrandom, sys_getrandom), // 359
1022 LINXY(__NR_memfd_create, sys_memfd_create) // 360
1023 };
1024
ML_(get_linux_syscall_entry)1025 SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
1026 {
1027 const UInt syscall_table_size
1028 = sizeof(syscall_table) / sizeof(syscall_table[0]);
1029
1030 /* Is it in the contiguous initial section of the table? */
1031 if (sysno < syscall_table_size) {
1032 SyscallTableEntry* sys = &syscall_table[sysno];
1033 if (sys->before == NULL)
1034 return NULL; /* no entry */
1035 else
1036 return sys;
1037 }
1038
1039 /* Can't find a wrapper */
1040 return NULL;
1041 }
1042
1043 #endif // defined(VGP_ppc32_linux)
1044
1045 /*--------------------------------------------------------------------*/
1046 /*--- end ---*/
1047 /*--------------------------------------------------------------------*/
1048