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1 | /* Target-dependent code for GNU/Linux x86-64. | |
2 | ||
3 | Copyright (C) 2001-2025 Free Software Foundation, Inc. | |
4 | Contributed by Jiri Smid, SuSE Labs. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #include "arch-utils.h" | |
22 | #include "extract-store-integer.h" | |
23 | #include "frame.h" | |
24 | #include "gdbcore.h" | |
25 | #include "regcache.h" | |
26 | #include "osabi.h" | |
27 | #include "symtab.h" | |
28 | #include "gdbtypes.h" | |
29 | #include "reggroups.h" | |
30 | #include "regset.h" | |
31 | #include "parser-defs.h" | |
32 | #include "user-regs.h" | |
33 | #include "amd64-linux-tdep.h" | |
34 | #include "i386-linux-tdep.h" | |
35 | #include "linux-tdep.h" | |
36 | #include "solib-svr4-linux.h" | |
37 | #include "svr4-tls-tdep.h" | |
38 | #include "gdbsupport/x86-xstate.h" | |
39 | #include "inferior.h" | |
40 | ||
41 | #include "amd64-tdep.h" | |
42 | #include "solib-svr4.h" | |
43 | #include "xml-syscall.h" | |
44 | #include "glibc-tdep.h" | |
45 | #include "arch/amd64.h" | |
46 | #include "target-descriptions.h" | |
47 | #include "expop.h" | |
48 | #include "arch/amd64-linux-tdesc.h" | |
49 | #include "inferior.h" | |
50 | ||
51 | /* The syscall's XML filename for i386. */ | |
52 | #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml" | |
53 | ||
54 | #include "record-full.h" | |
55 | #include "linux-record.h" | |
56 | ||
57 | #include <string_view> | |
58 | ||
59 | #define DEFAULT_TAG_MASK 0xffffffffffffffffULL | |
60 | ||
61 | /* Mapping between the general-purpose registers in `struct user' | |
62 | format and GDB's register cache layout. */ | |
63 | ||
64 | /* From <sys/reg.h>. */ | |
65 | int amd64_linux_gregset_reg_offset[] = | |
66 | { | |
67 | 10 * 8, /* %rax */ | |
68 | 5 * 8, /* %rbx */ | |
69 | 11 * 8, /* %rcx */ | |
70 | 12 * 8, /* %rdx */ | |
71 | 13 * 8, /* %rsi */ | |
72 | 14 * 8, /* %rdi */ | |
73 | 4 * 8, /* %rbp */ | |
74 | 19 * 8, /* %rsp */ | |
75 | 9 * 8, /* %r8 ... */ | |
76 | 8 * 8, | |
77 | 7 * 8, | |
78 | 6 * 8, | |
79 | 3 * 8, | |
80 | 2 * 8, | |
81 | 1 * 8, | |
82 | 0 * 8, /* ... %r15 */ | |
83 | 16 * 8, /* %rip */ | |
84 | 18 * 8, /* %eflags */ | |
85 | 17 * 8, /* %cs */ | |
86 | 20 * 8, /* %ss */ | |
87 | 23 * 8, /* %ds */ | |
88 | 24 * 8, /* %es */ | |
89 | 25 * 8, /* %fs */ | |
90 | 26 * 8, /* %gs */ | |
91 | -1, -1, -1, -1, -1, -1, -1, -1, | |
92 | -1, -1, -1, -1, -1, -1, -1, -1, | |
93 | -1, -1, -1, -1, -1, -1, -1, -1, | |
94 | -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
95 | -1, -1, -1, -1, -1, -1, -1, -1, | |
96 | -1, -1, -1, -1, -1, -1, -1, -1, | |
97 | /* MPX is deprecated. Yet we keep this to not give the registers below | |
98 | a new number. That could break older gdbservers. */ | |
99 | -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */ | |
100 | -1, -1, /* MPX registers BNDCFGU and BNDSTATUS. */ | |
101 | -1, -1, -1, -1, -1, -1, -1, -1, /* xmm16 ... xmm31 (AVX512) */ | |
102 | -1, -1, -1, -1, -1, -1, -1, -1, | |
103 | -1, -1, -1, -1, -1, -1, -1, -1, /* ymm16 ... ymm31 (AVX512) */ | |
104 | -1, -1, -1, -1, -1, -1, -1, -1, | |
105 | -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */ | |
106 | -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm31 (AVX512) */ | |
107 | -1, -1, -1, -1, -1, -1, -1, -1, | |
108 | -1, -1, -1, -1, -1, -1, -1, -1, | |
109 | -1, -1, -1, -1, -1, -1, -1, -1, | |
110 | -1, /* PKEYS register pkru */ | |
111 | ||
112 | /* End of hardware registers */ | |
113 | 21 * 8, 22 * 8, /* fs_base and gs_base. */ | |
114 | 15 * 8 /* "orig_rax" */ | |
115 | }; | |
116 | \f | |
117 | ||
118 | /* Support for signal handlers. */ | |
119 | ||
120 | #define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */ | |
121 | #define LINUX_SIGTRAMP_OFFSET0 0 | |
122 | #define LINUX_SIGTRAMP_INSN1 0x0f /* syscall */ | |
123 | #define LINUX_SIGTRAMP_OFFSET1 7 | |
124 | ||
125 | static const gdb_byte amd64_linux_sigtramp_code[] = | |
126 | { | |
127 | /* mov $__NR_rt_sigreturn, %rax */ | |
128 | LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00, | |
129 | /* syscall */ | |
130 | LINUX_SIGTRAMP_INSN1, 0x05 | |
131 | }; | |
132 | ||
133 | static const gdb_byte amd64_x32_linux_sigtramp_code[] = | |
134 | { | |
135 | /* mov $__NR_rt_sigreturn, %rax. */ | |
136 | LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x01, 0x02, 0x00, 0x40, | |
137 | /* syscall */ | |
138 | LINUX_SIGTRAMP_INSN1, 0x05 | |
139 | }; | |
140 | ||
141 | #define LINUX_SIGTRAMP_LEN (sizeof amd64_linux_sigtramp_code) | |
142 | ||
143 | /* If PC is in a sigtramp routine, return the address of the start of | |
144 | the routine. Otherwise, return 0. */ | |
145 | ||
146 | static CORE_ADDR | |
147 | amd64_linux_sigtramp_start (const frame_info_ptr &this_frame) | |
148 | { | |
149 | struct gdbarch *gdbarch; | |
150 | const gdb_byte *sigtramp_code; | |
151 | CORE_ADDR pc = get_frame_pc (this_frame); | |
152 | gdb_byte buf[LINUX_SIGTRAMP_LEN]; | |
153 | ||
154 | /* We only recognize a signal trampoline if PC is at the start of | |
155 | one of the two instructions. We optimize for finding the PC at | |
156 | the start, as will be the case when the trampoline is not the | |
157 | first frame on the stack. We assume that in the case where the | |
158 | PC is not at the start of the instruction sequence, there will be | |
159 | a few trailing readable bytes on the stack. */ | |
160 | ||
161 | if (!safe_frame_unwind_memory (this_frame, pc, buf)) | |
162 | return 0; | |
163 | ||
164 | if (buf[0] != LINUX_SIGTRAMP_INSN0) | |
165 | { | |
166 | if (buf[0] != LINUX_SIGTRAMP_INSN1) | |
167 | return 0; | |
168 | ||
169 | pc -= LINUX_SIGTRAMP_OFFSET1; | |
170 | if (!safe_frame_unwind_memory (this_frame, pc, buf)) | |
171 | return 0; | |
172 | } | |
173 | ||
174 | gdbarch = get_frame_arch (this_frame); | |
175 | if (gdbarch_ptr_bit (gdbarch) == 32) | |
176 | sigtramp_code = amd64_x32_linux_sigtramp_code; | |
177 | else | |
178 | sigtramp_code = amd64_linux_sigtramp_code; | |
179 | if (memcmp (buf, sigtramp_code, LINUX_SIGTRAMP_LEN) != 0) | |
180 | return 0; | |
181 | ||
182 | return pc; | |
183 | } | |
184 | ||
185 | /* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp | |
186 | routine. */ | |
187 | ||
188 | static int | |
189 | amd64_linux_sigtramp_p (const frame_info_ptr &this_frame) | |
190 | { | |
191 | CORE_ADDR pc = get_frame_pc (this_frame); | |
192 | const char *name; | |
193 | ||
194 | find_pc_partial_function (pc, &name, NULL, NULL); | |
195 | ||
196 | /* If we have NAME, we can optimize the search. The trampoline is | |
197 | named __restore_rt. However, it isn't dynamically exported from | |
198 | the shared C library, so the trampoline may appear to be part of | |
199 | the preceding function. This should always be sigaction, | |
200 | __sigaction, or __libc_sigaction (all aliases to the same | |
201 | function). */ | |
202 | if (name == NULL || strstr (name, "sigaction") != NULL) | |
203 | return (amd64_linux_sigtramp_start (this_frame) != 0); | |
204 | ||
205 | return (strcmp ("__restore_rt", name) == 0); | |
206 | } | |
207 | ||
208 | /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */ | |
209 | #define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40 | |
210 | ||
211 | /* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the | |
212 | address of the associated sigcontext structure. */ | |
213 | ||
214 | static CORE_ADDR | |
215 | amd64_linux_sigcontext_addr (const frame_info_ptr &this_frame) | |
216 | { | |
217 | struct gdbarch *gdbarch = get_frame_arch (this_frame); | |
218 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
219 | CORE_ADDR sp; | |
220 | gdb_byte buf[8]; | |
221 | ||
222 | get_frame_register (this_frame, AMD64_RSP_REGNUM, buf); | |
223 | sp = extract_unsigned_integer (buf, 8, byte_order); | |
224 | ||
225 | /* The sigcontext structure is part of the user context. A pointer | |
226 | to the user context is passed as the third argument to the signal | |
227 | handler, i.e. in %rdx. Unfortunately %rdx isn't preserved across | |
228 | function calls so we can't use it. Fortunately the user context | |
229 | is part of the signal frame and the unwound %rsp directly points | |
230 | at it. */ | |
231 | return sp + AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET; | |
232 | } | |
233 | \f | |
234 | ||
235 | static LONGEST | |
236 | amd64_linux_get_syscall_number (struct gdbarch *gdbarch, | |
237 | thread_info *thread) | |
238 | { | |
239 | struct regcache *regcache = get_thread_regcache (thread); | |
240 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
241 | /* The content of a register. */ | |
242 | gdb_byte buf[8]; | |
243 | /* The result. */ | |
244 | LONGEST ret; | |
245 | ||
246 | /* Getting the system call number from the register. | |
247 | When dealing with x86_64 architecture, this information | |
248 | is stored at %rax register. */ | |
249 | regcache->cooked_read (AMD64_LINUX_ORIG_RAX_REGNUM, buf); | |
250 | ||
251 | ret = extract_signed_integer (buf, byte_order); | |
252 | ||
253 | return ret; | |
254 | } | |
255 | ||
256 | ||
257 | /* From <asm/sigcontext.h>. */ | |
258 | static int amd64_linux_sc_reg_offset[] = | |
259 | { | |
260 | 13 * 8, /* %rax */ | |
261 | 11 * 8, /* %rbx */ | |
262 | 14 * 8, /* %rcx */ | |
263 | 12 * 8, /* %rdx */ | |
264 | 9 * 8, /* %rsi */ | |
265 | 8 * 8, /* %rdi */ | |
266 | 10 * 8, /* %rbp */ | |
267 | 15 * 8, /* %rsp */ | |
268 | 0 * 8, /* %r8 */ | |
269 | 1 * 8, /* %r9 */ | |
270 | 2 * 8, /* %r10 */ | |
271 | 3 * 8, /* %r11 */ | |
272 | 4 * 8, /* %r12 */ | |
273 | 5 * 8, /* %r13 */ | |
274 | 6 * 8, /* %r14 */ | |
275 | 7 * 8, /* %r15 */ | |
276 | 16 * 8, /* %rip */ | |
277 | 17 * 8, /* %eflags */ | |
278 | ||
279 | /* FIXME: kettenis/2002030531: The registers %cs, %fs and %gs are | |
280 | available in `struct sigcontext'. However, they only occupy two | |
281 | bytes instead of four, which makes using them here rather | |
282 | difficult. Leave them out for now. */ | |
283 | -1, /* %cs */ | |
284 | -1, /* %ss */ | |
285 | -1, /* %ds */ | |
286 | -1, /* %es */ | |
287 | -1, /* %fs */ | |
288 | -1 /* %gs */ | |
289 | }; | |
290 | ||
291 | static int | |
292 | amd64_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum, | |
293 | const struct reggroup *group) | |
294 | { | |
295 | if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM) | |
296 | return (group == system_reggroup | |
297 | || group == save_reggroup | |
298 | || group == restore_reggroup); | |
299 | return i386_register_reggroup_p (gdbarch, regnum, group); | |
300 | } | |
301 | ||
302 | /* Set the program counter for process PTID to PC. */ | |
303 | ||
304 | static void | |
305 | amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc) | |
306 | { | |
307 | regcache_cooked_write_unsigned (regcache, AMD64_RIP_REGNUM, pc); | |
308 | ||
309 | /* We must be careful with modifying the program counter. If we | |
310 | just interrupted a system call, the kernel might try to restart | |
311 | it when we resume the inferior. On restarting the system call, | |
312 | the kernel will try backing up the program counter even though it | |
313 | no longer points at the system call. This typically results in a | |
314 | SIGSEGV or SIGILL. We can prevent this by writing `-1' in the | |
315 | "orig_rax" pseudo-register. | |
316 | ||
317 | Note that "orig_rax" is saved when setting up a dummy call frame. | |
318 | This means that it is properly restored when that frame is | |
319 | popped, and that the interrupted system call will be restarted | |
320 | when we resume the inferior on return from a function call from | |
321 | within GDB. In all other cases the system call will not be | |
322 | restarted. */ | |
323 | regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1); | |
324 | } | |
325 | ||
326 | /* Record all registers but IP register for process-record. */ | |
327 | ||
328 | static int | |
329 | amd64_all_but_ip_registers_record (struct regcache *regcache) | |
330 | { | |
331 | if (record_full_arch_list_add_reg (regcache, AMD64_RAX_REGNUM)) | |
332 | return -1; | |
333 | if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) | |
334 | return -1; | |
335 | if (record_full_arch_list_add_reg (regcache, AMD64_RDX_REGNUM)) | |
336 | return -1; | |
337 | if (record_full_arch_list_add_reg (regcache, AMD64_RBX_REGNUM)) | |
338 | return -1; | |
339 | if (record_full_arch_list_add_reg (regcache, AMD64_RSP_REGNUM)) | |
340 | return -1; | |
341 | if (record_full_arch_list_add_reg (regcache, AMD64_RBP_REGNUM)) | |
342 | return -1; | |
343 | if (record_full_arch_list_add_reg (regcache, AMD64_RSI_REGNUM)) | |
344 | return -1; | |
345 | if (record_full_arch_list_add_reg (regcache, AMD64_RDI_REGNUM)) | |
346 | return -1; | |
347 | if (record_full_arch_list_add_reg (regcache, AMD64_R8_REGNUM)) | |
348 | return -1; | |
349 | if (record_full_arch_list_add_reg (regcache, AMD64_R9_REGNUM)) | |
350 | return -1; | |
351 | if (record_full_arch_list_add_reg (regcache, AMD64_R10_REGNUM)) | |
352 | return -1; | |
353 | if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM)) | |
354 | return -1; | |
355 | if (record_full_arch_list_add_reg (regcache, AMD64_R12_REGNUM)) | |
356 | return -1; | |
357 | if (record_full_arch_list_add_reg (regcache, AMD64_R13_REGNUM)) | |
358 | return -1; | |
359 | if (record_full_arch_list_add_reg (regcache, AMD64_R14_REGNUM)) | |
360 | return -1; | |
361 | if (record_full_arch_list_add_reg (regcache, AMD64_R15_REGNUM)) | |
362 | return -1; | |
363 | if (record_full_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM)) | |
364 | return -1; | |
365 | ||
366 | return 0; | |
367 | } | |
368 | ||
369 | /* amd64_canonicalize_syscall maps from the native amd64 Linux set | |
370 | of syscall ids into a canonical set of syscall ids used by | |
371 | process record. */ | |
372 | ||
373 | static enum gdb_syscall | |
374 | amd64_canonicalize_syscall (enum amd64_syscall syscall_number) | |
375 | { | |
376 | DIAGNOSTIC_PUSH | |
377 | DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES | |
378 | ||
379 | switch (syscall_number) { | |
380 | case amd64_sys_read: | |
381 | case amd64_x32_sys_read: | |
382 | return gdb_sys_read; | |
383 | ||
384 | case amd64_sys_write: | |
385 | case amd64_x32_sys_write: | |
386 | return gdb_sys_write; | |
387 | ||
388 | case amd64_sys_open: | |
389 | case amd64_x32_sys_open: | |
390 | return gdb_sys_open; | |
391 | ||
392 | case amd64_sys_close: | |
393 | case amd64_x32_sys_close: | |
394 | return gdb_sys_close; | |
395 | ||
396 | case amd64_sys_newstat: | |
397 | case amd64_x32_sys_newstat: | |
398 | return gdb_sys_newstat; | |
399 | ||
400 | case amd64_sys_newfstat: | |
401 | case amd64_x32_sys_newfstat: | |
402 | return gdb_sys_newfstat; | |
403 | ||
404 | case amd64_sys_newlstat: | |
405 | case amd64_x32_sys_newlstat: | |
406 | return gdb_sys_newlstat; | |
407 | ||
408 | case amd64_sys_poll: | |
409 | case amd64_x32_sys_poll: | |
410 | return gdb_sys_poll; | |
411 | ||
412 | case amd64_sys_lseek: | |
413 | case amd64_x32_sys_lseek: | |
414 | return gdb_sys_lseek; | |
415 | ||
416 | case amd64_sys_mmap: | |
417 | case amd64_x32_sys_mmap: | |
418 | return gdb_sys_old_mmap; | |
419 | ||
420 | case amd64_sys_mprotect: | |
421 | case amd64_x32_sys_mprotect: | |
422 | return gdb_sys_mprotect; | |
423 | ||
424 | case amd64_sys_munmap: | |
425 | case amd64_x32_sys_munmap: | |
426 | return gdb_sys_munmap; | |
427 | ||
428 | case amd64_sys_brk: | |
429 | case amd64_x32_sys_brk: | |
430 | return gdb_sys_brk; | |
431 | ||
432 | case amd64_sys_rt_sigaction: | |
433 | case amd64_x32_sys_rt_sigaction: | |
434 | return gdb_sys_rt_sigaction; | |
435 | ||
436 | case amd64_sys_rt_sigprocmask: | |
437 | case amd64_x32_sys_rt_sigprocmask: | |
438 | return gdb_sys_rt_sigprocmask; | |
439 | ||
440 | case amd64_sys_rt_sigreturn: | |
441 | case amd64_x32_sys_rt_sigreturn: | |
442 | return gdb_sys_rt_sigreturn; | |
443 | ||
444 | case amd64_sys_ioctl: | |
445 | case amd64_x32_sys_ioctl: | |
446 | return gdb_sys_ioctl; | |
447 | ||
448 | case amd64_sys_pread64: | |
449 | case amd64_x32_sys_pread64: | |
450 | return gdb_sys_pread64; | |
451 | ||
452 | case amd64_sys_pwrite64: | |
453 | case amd64_x32_sys_pwrite64: | |
454 | return gdb_sys_pwrite64; | |
455 | ||
456 | case amd64_sys_readv: | |
457 | case amd64_x32_sys_readv: | |
458 | return gdb_sys_readv; | |
459 | ||
460 | case amd64_sys_writev: | |
461 | case amd64_x32_sys_writev: | |
462 | return gdb_sys_writev; | |
463 | ||
464 | case amd64_sys_access: | |
465 | case amd64_x32_sys_access: | |
466 | return gdb_sys_access; | |
467 | ||
468 | case amd64_sys_pipe: | |
469 | case amd64_x32_sys_pipe: | |
470 | return gdb_sys_pipe; | |
471 | ||
472 | case amd64_sys_pipe2: | |
473 | return gdb_sys_pipe2; | |
474 | ||
475 | case amd64_sys_getrandom: | |
476 | return gdb_sys_getrandom; | |
477 | ||
478 | case amd64_sys_select: | |
479 | case amd64_x32_sys_select: | |
480 | return gdb_sys_select; | |
481 | ||
482 | case amd64_sys_sched_yield: | |
483 | case amd64_x32_sys_sched_yield: | |
484 | return gdb_sys_sched_yield; | |
485 | ||
486 | case amd64_sys_mremap: | |
487 | case amd64_x32_sys_mremap: | |
488 | return gdb_sys_mremap; | |
489 | ||
490 | case amd64_sys_msync: | |
491 | case amd64_x32_sys_msync: | |
492 | return gdb_sys_msync; | |
493 | ||
494 | case amd64_sys_mincore: | |
495 | case amd64_x32_sys_mincore: | |
496 | return gdb_sys_mincore; | |
497 | ||
498 | case amd64_sys_madvise: | |
499 | case amd64_x32_sys_madvise: | |
500 | return gdb_sys_madvise; | |
501 | ||
502 | case amd64_sys_shmget: | |
503 | case amd64_x32_sys_shmget: | |
504 | return gdb_sys_shmget; | |
505 | ||
506 | case amd64_sys_shmat: | |
507 | case amd64_x32_sys_shmat: | |
508 | return gdb_sys_shmat; | |
509 | ||
510 | case amd64_sys_shmctl: | |
511 | case amd64_x32_sys_shmctl: | |
512 | return gdb_sys_shmctl; | |
513 | ||
514 | case amd64_sys_dup: | |
515 | case amd64_x32_sys_dup: | |
516 | return gdb_sys_dup; | |
517 | ||
518 | case amd64_sys_dup2: | |
519 | case amd64_x32_sys_dup2: | |
520 | return gdb_sys_dup2; | |
521 | ||
522 | case amd64_sys_pause: | |
523 | case amd64_x32_sys_pause: | |
524 | return gdb_sys_pause; | |
525 | ||
526 | case amd64_sys_nanosleep: | |
527 | case amd64_x32_sys_nanosleep: | |
528 | return gdb_sys_nanosleep; | |
529 | ||
530 | case amd64_sys_getitimer: | |
531 | case amd64_x32_sys_getitimer: | |
532 | return gdb_sys_getitimer; | |
533 | ||
534 | case amd64_sys_alarm: | |
535 | case amd64_x32_sys_alarm: | |
536 | return gdb_sys_alarm; | |
537 | ||
538 | case amd64_sys_setitimer: | |
539 | case amd64_x32_sys_setitimer: | |
540 | return gdb_sys_setitimer; | |
541 | ||
542 | case amd64_sys_getpid: | |
543 | case amd64_x32_sys_getpid: | |
544 | return gdb_sys_getpid; | |
545 | ||
546 | case amd64_sys_sendfile64: | |
547 | case amd64_x32_sys_sendfile64: | |
548 | return gdb_sys_sendfile64; | |
549 | ||
550 | case amd64_sys_socket: | |
551 | case amd64_x32_sys_socket: | |
552 | return gdb_sys_socket; | |
553 | ||
554 | case amd64_sys_connect: | |
555 | case amd64_x32_sys_connect: | |
556 | return gdb_sys_connect; | |
557 | ||
558 | case amd64_sys_accept: | |
559 | case amd64_x32_sys_accept: | |
560 | return gdb_sys_accept; | |
561 | ||
562 | case amd64_sys_accept4: | |
563 | case amd64_x32_sys_accept4: | |
564 | return gdb_sys_accept4; | |
565 | ||
566 | case amd64_sys_sendto: | |
567 | case amd64_x32_sys_sendto: | |
568 | return gdb_sys_sendto; | |
569 | ||
570 | case amd64_sys_recvfrom: | |
571 | case amd64_x32_sys_recvfrom: | |
572 | return gdb_sys_recvfrom; | |
573 | ||
574 | case amd64_sys_sendmsg: | |
575 | case amd64_x32_sys_sendmsg: | |
576 | return gdb_sys_sendmsg; | |
577 | ||
578 | case amd64_sys_recvmsg: | |
579 | case amd64_x32_sys_recvmsg: | |
580 | return gdb_sys_recvmsg; | |
581 | ||
582 | case amd64_sys_shutdown: | |
583 | case amd64_x32_sys_shutdown: | |
584 | return gdb_sys_shutdown; | |
585 | ||
586 | case amd64_sys_bind: | |
587 | case amd64_x32_sys_bind: | |
588 | return gdb_sys_bind; | |
589 | ||
590 | case amd64_sys_listen: | |
591 | case amd64_x32_sys_listen: | |
592 | return gdb_sys_listen; | |
593 | ||
594 | case amd64_sys_getsockname: | |
595 | case amd64_x32_sys_getsockname: | |
596 | return gdb_sys_getsockname; | |
597 | ||
598 | case amd64_sys_getpeername: | |
599 | case amd64_x32_sys_getpeername: | |
600 | return gdb_sys_getpeername; | |
601 | ||
602 | case amd64_sys_socketpair: | |
603 | case amd64_x32_sys_socketpair: | |
604 | return gdb_sys_socketpair; | |
605 | ||
606 | case amd64_sys_setsockopt: | |
607 | case amd64_x32_sys_setsockopt: | |
608 | return gdb_sys_setsockopt; | |
609 | ||
610 | case amd64_sys_getsockopt: | |
611 | case amd64_x32_sys_getsockopt: | |
612 | return gdb_sys_getsockopt; | |
613 | ||
614 | case amd64_sys_clone: | |
615 | case amd64_x32_sys_clone: | |
616 | return gdb_sys_clone; | |
617 | ||
618 | case amd64_sys_fork: | |
619 | case amd64_x32_sys_fork: | |
620 | return gdb_sys_fork; | |
621 | ||
622 | case amd64_sys_vfork: | |
623 | case amd64_x32_sys_vfork: | |
624 | return gdb_sys_vfork; | |
625 | ||
626 | case amd64_sys_execve: | |
627 | case amd64_x32_sys_execve: | |
628 | return gdb_sys_execve; | |
629 | ||
630 | case amd64_sys_exit: | |
631 | case amd64_x32_sys_exit: | |
632 | return gdb_sys_exit; | |
633 | ||
634 | case amd64_sys_wait4: | |
635 | case amd64_x32_sys_wait4: | |
636 | return gdb_sys_wait4; | |
637 | ||
638 | case amd64_sys_kill: | |
639 | case amd64_x32_sys_kill: | |
640 | return gdb_sys_kill; | |
641 | ||
642 | case amd64_sys_uname: | |
643 | case amd64_x32_sys_uname: | |
644 | return gdb_sys_uname; | |
645 | ||
646 | case amd64_sys_semget: | |
647 | case amd64_x32_sys_semget: | |
648 | return gdb_sys_semget; | |
649 | ||
650 | case amd64_sys_semop: | |
651 | case amd64_x32_sys_semop: | |
652 | return gdb_sys_semop; | |
653 | ||
654 | case amd64_sys_semctl: | |
655 | case amd64_x32_sys_semctl: | |
656 | return gdb_sys_semctl; | |
657 | ||
658 | case amd64_sys_shmdt: | |
659 | case amd64_x32_sys_shmdt: | |
660 | return gdb_sys_shmdt; | |
661 | ||
662 | case amd64_sys_msgget: | |
663 | case amd64_x32_sys_msgget: | |
664 | return gdb_sys_msgget; | |
665 | ||
666 | case amd64_sys_msgsnd: | |
667 | case amd64_x32_sys_msgsnd: | |
668 | return gdb_sys_msgsnd; | |
669 | ||
670 | case amd64_sys_msgrcv: | |
671 | case amd64_x32_sys_msgrcv: | |
672 | return gdb_sys_msgrcv; | |
673 | ||
674 | case amd64_sys_msgctl: | |
675 | case amd64_x32_sys_msgctl: | |
676 | return gdb_sys_msgctl; | |
677 | ||
678 | case amd64_sys_fcntl: | |
679 | case amd64_x32_sys_fcntl: | |
680 | return gdb_sys_fcntl; | |
681 | ||
682 | case amd64_sys_flock: | |
683 | case amd64_x32_sys_flock: | |
684 | return gdb_sys_flock; | |
685 | ||
686 | case amd64_sys_fsync: | |
687 | case amd64_x32_sys_fsync: | |
688 | return gdb_sys_fsync; | |
689 | ||
690 | case amd64_sys_fdatasync: | |
691 | case amd64_x32_sys_fdatasync: | |
692 | return gdb_sys_fdatasync; | |
693 | ||
694 | case amd64_sys_truncate: | |
695 | case amd64_x32_sys_truncate: | |
696 | return gdb_sys_truncate; | |
697 | ||
698 | case amd64_sys_ftruncate: | |
699 | case amd64_x32_sys_ftruncate: | |
700 | return gdb_sys_ftruncate; | |
701 | ||
702 | case amd64_sys_getdents: | |
703 | case amd64_x32_sys_getdents: | |
704 | return gdb_sys_getdents; | |
705 | ||
706 | case amd64_sys_getcwd: | |
707 | case amd64_x32_sys_getcwd: | |
708 | return gdb_sys_getcwd; | |
709 | ||
710 | case amd64_sys_chdir: | |
711 | case amd64_x32_sys_chdir: | |
712 | return gdb_sys_chdir; | |
713 | ||
714 | case amd64_sys_fchdir: | |
715 | case amd64_x32_sys_fchdir: | |
716 | return gdb_sys_fchdir; | |
717 | ||
718 | case amd64_sys_rename: | |
719 | case amd64_x32_sys_rename: | |
720 | return gdb_sys_rename; | |
721 | ||
722 | case amd64_sys_mkdir: | |
723 | case amd64_x32_sys_mkdir: | |
724 | return gdb_sys_mkdir; | |
725 | ||
726 | case amd64_sys_rmdir: | |
727 | case amd64_x32_sys_rmdir: | |
728 | return gdb_sys_rmdir; | |
729 | ||
730 | case amd64_sys_creat: | |
731 | case amd64_x32_sys_creat: | |
732 | return gdb_sys_creat; | |
733 | ||
734 | case amd64_sys_link: | |
735 | case amd64_x32_sys_link: | |
736 | return gdb_sys_link; | |
737 | ||
738 | case amd64_sys_unlink: | |
739 | case amd64_x32_sys_unlink: | |
740 | return gdb_sys_unlink; | |
741 | ||
742 | case amd64_sys_symlink: | |
743 | case amd64_x32_sys_symlink: | |
744 | return gdb_sys_symlink; | |
745 | ||
746 | case amd64_sys_readlink: | |
747 | case amd64_x32_sys_readlink: | |
748 | return gdb_sys_readlink; | |
749 | ||
750 | case amd64_sys_chmod: | |
751 | case amd64_x32_sys_chmod: | |
752 | return gdb_sys_chmod; | |
753 | ||
754 | case amd64_sys_fchmod: | |
755 | case amd64_x32_sys_fchmod: | |
756 | return gdb_sys_fchmod; | |
757 | ||
758 | case amd64_sys_chown: | |
759 | case amd64_x32_sys_chown: | |
760 | return gdb_sys_chown; | |
761 | ||
762 | case amd64_sys_fchown: | |
763 | case amd64_x32_sys_fchown: | |
764 | return gdb_sys_fchown; | |
765 | ||
766 | case amd64_sys_lchown: | |
767 | case amd64_x32_sys_lchown: | |
768 | return gdb_sys_lchown; | |
769 | ||
770 | case amd64_sys_umask: | |
771 | case amd64_x32_sys_umask: | |
772 | return gdb_sys_umask; | |
773 | ||
774 | case amd64_sys_gettimeofday: | |
775 | case amd64_x32_sys_gettimeofday: | |
776 | return gdb_sys_gettimeofday; | |
777 | ||
778 | case amd64_sys_getrlimit: | |
779 | case amd64_x32_sys_getrlimit: | |
780 | return gdb_sys_getrlimit; | |
781 | ||
782 | case amd64_sys_getrusage: | |
783 | case amd64_x32_sys_getrusage: | |
784 | return gdb_sys_getrusage; | |
785 | ||
786 | case amd64_sys_sysinfo: | |
787 | case amd64_x32_sys_sysinfo: | |
788 | return gdb_sys_sysinfo; | |
789 | ||
790 | case amd64_sys_times: | |
791 | case amd64_x32_sys_times: | |
792 | return gdb_sys_times; | |
793 | ||
794 | case amd64_sys_ptrace: | |
795 | case amd64_x32_sys_ptrace: | |
796 | return gdb_sys_ptrace; | |
797 | ||
798 | case amd64_sys_getuid: | |
799 | case amd64_x32_sys_getuid: | |
800 | return gdb_sys_getuid; | |
801 | ||
802 | case amd64_sys_syslog: | |
803 | case amd64_x32_sys_syslog: | |
804 | return gdb_sys_syslog; | |
805 | ||
806 | case amd64_sys_getgid: | |
807 | case amd64_x32_sys_getgid: | |
808 | return gdb_sys_getgid; | |
809 | ||
810 | case amd64_sys_setuid: | |
811 | case amd64_x32_sys_setuid: | |
812 | return gdb_sys_setuid; | |
813 | ||
814 | case amd64_sys_setgid: | |
815 | case amd64_x32_sys_setgid: | |
816 | return gdb_sys_setgid; | |
817 | ||
818 | case amd64_sys_geteuid: | |
819 | case amd64_x32_sys_geteuid: | |
820 | return gdb_sys_geteuid; | |
821 | ||
822 | case amd64_sys_getegid: | |
823 | case amd64_x32_sys_getegid: | |
824 | return gdb_sys_getegid; | |
825 | ||
826 | case amd64_sys_setpgid: | |
827 | case amd64_x32_sys_setpgid: | |
828 | return gdb_sys_setpgid; | |
829 | ||
830 | case amd64_sys_getppid: | |
831 | case amd64_x32_sys_getppid: | |
832 | return gdb_sys_getppid; | |
833 | ||
834 | case amd64_sys_getpgrp: | |
835 | case amd64_x32_sys_getpgrp: | |
836 | return gdb_sys_getpgrp; | |
837 | ||
838 | case amd64_sys_setsid: | |
839 | case amd64_x32_sys_setsid: | |
840 | return gdb_sys_setsid; | |
841 | ||
842 | case amd64_sys_setreuid: | |
843 | case amd64_x32_sys_setreuid: | |
844 | return gdb_sys_setreuid; | |
845 | ||
846 | case amd64_sys_setregid: | |
847 | case amd64_x32_sys_setregid: | |
848 | return gdb_sys_setregid; | |
849 | ||
850 | case amd64_sys_getgroups: | |
851 | case amd64_x32_sys_getgroups: | |
852 | return gdb_sys_getgroups; | |
853 | ||
854 | case amd64_sys_setgroups: | |
855 | case amd64_x32_sys_setgroups: | |
856 | return gdb_sys_setgroups; | |
857 | ||
858 | case amd64_sys_setresuid: | |
859 | case amd64_x32_sys_setresuid: | |
860 | return gdb_sys_setresuid; | |
861 | ||
862 | case amd64_sys_getresuid: | |
863 | case amd64_x32_sys_getresuid: | |
864 | return gdb_sys_getresuid; | |
865 | ||
866 | case amd64_sys_setresgid: | |
867 | case amd64_x32_sys_setresgid: | |
868 | return gdb_sys_setresgid; | |
869 | ||
870 | case amd64_sys_getresgid: | |
871 | case amd64_x32_sys_getresgid: | |
872 | return gdb_sys_getresgid; | |
873 | ||
874 | case amd64_sys_getpgid: | |
875 | case amd64_x32_sys_getpgid: | |
876 | return gdb_sys_getpgid; | |
877 | ||
878 | case amd64_sys_setfsuid: | |
879 | case amd64_x32_sys_setfsuid: | |
880 | return gdb_sys_setfsuid; | |
881 | ||
882 | case amd64_sys_setfsgid: | |
883 | case amd64_x32_sys_setfsgid: | |
884 | return gdb_sys_setfsgid; | |
885 | ||
886 | case amd64_sys_getsid: | |
887 | case amd64_x32_sys_getsid: | |
888 | return gdb_sys_getsid; | |
889 | ||
890 | case amd64_sys_capget: | |
891 | case amd64_x32_sys_capget: | |
892 | return gdb_sys_capget; | |
893 | ||
894 | case amd64_sys_capset: | |
895 | case amd64_x32_sys_capset: | |
896 | return gdb_sys_capset; | |
897 | ||
898 | case amd64_sys_rt_sigpending: | |
899 | case amd64_x32_sys_rt_sigpending: | |
900 | return gdb_sys_rt_sigpending; | |
901 | ||
902 | case amd64_sys_rt_sigtimedwait: | |
903 | case amd64_x32_sys_rt_sigtimedwait: | |
904 | return gdb_sys_rt_sigtimedwait; | |
905 | ||
906 | case amd64_sys_rt_sigqueueinfo: | |
907 | case amd64_x32_sys_rt_sigqueueinfo: | |
908 | return gdb_sys_rt_sigqueueinfo; | |
909 | ||
910 | case amd64_sys_rt_sigsuspend: | |
911 | case amd64_x32_sys_rt_sigsuspend: | |
912 | return gdb_sys_rt_sigsuspend; | |
913 | ||
914 | case amd64_sys_sigaltstack: | |
915 | case amd64_x32_sys_sigaltstack: | |
916 | return gdb_sys_sigaltstack; | |
917 | ||
918 | case amd64_sys_utime: | |
919 | case amd64_x32_sys_utime: | |
920 | return gdb_sys_utime; | |
921 | ||
922 | case amd64_sys_mknod: | |
923 | case amd64_x32_sys_mknod: | |
924 | return gdb_sys_mknod; | |
925 | ||
926 | case amd64_sys_personality: | |
927 | case amd64_x32_sys_personality: | |
928 | return gdb_sys_personality; | |
929 | ||
930 | case amd64_sys_ustat: | |
931 | case amd64_x32_sys_ustat: | |
932 | return gdb_sys_ustat; | |
933 | ||
934 | case amd64_sys_statfs: | |
935 | case amd64_x32_sys_statfs: | |
936 | return gdb_sys_statfs; | |
937 | ||
938 | case amd64_sys_fstatfs: | |
939 | case amd64_x32_sys_fstatfs: | |
940 | return gdb_sys_fstatfs; | |
941 | ||
942 | case amd64_sys_sysfs: | |
943 | case amd64_x32_sys_sysfs: | |
944 | return gdb_sys_sysfs; | |
945 | ||
946 | case amd64_sys_getpriority: | |
947 | case amd64_x32_sys_getpriority: | |
948 | return gdb_sys_getpriority; | |
949 | ||
950 | case amd64_sys_setpriority: | |
951 | case amd64_x32_sys_setpriority: | |
952 | return gdb_sys_setpriority; | |
953 | ||
954 | case amd64_sys_sched_setparam: | |
955 | case amd64_x32_sys_sched_setparam: | |
956 | return gdb_sys_sched_setparam; | |
957 | ||
958 | case amd64_sys_sched_getparam: | |
959 | case amd64_x32_sys_sched_getparam: | |
960 | return gdb_sys_sched_getparam; | |
961 | ||
962 | case amd64_sys_sched_setscheduler: | |
963 | case amd64_x32_sys_sched_setscheduler: | |
964 | return gdb_sys_sched_setscheduler; | |
965 | ||
966 | case amd64_sys_sched_getscheduler: | |
967 | case amd64_x32_sys_sched_getscheduler: | |
968 | return gdb_sys_sched_getscheduler; | |
969 | ||
970 | case amd64_sys_sched_get_priority_max: | |
971 | case amd64_x32_sys_sched_get_priority_max: | |
972 | return gdb_sys_sched_get_priority_max; | |
973 | ||
974 | case amd64_sys_sched_get_priority_min: | |
975 | case amd64_x32_sys_sched_get_priority_min: | |
976 | return gdb_sys_sched_get_priority_min; | |
977 | ||
978 | case amd64_sys_sched_rr_get_interval: | |
979 | case amd64_x32_sys_sched_rr_get_interval: | |
980 | return gdb_sys_sched_rr_get_interval; | |
981 | ||
982 | case amd64_sys_mlock: | |
983 | case amd64_x32_sys_mlock: | |
984 | return gdb_sys_mlock; | |
985 | ||
986 | case amd64_sys_munlock: | |
987 | case amd64_x32_sys_munlock: | |
988 | return gdb_sys_munlock; | |
989 | ||
990 | case amd64_sys_mlockall: | |
991 | case amd64_x32_sys_mlockall: | |
992 | return gdb_sys_mlockall; | |
993 | ||
994 | case amd64_sys_munlockall: | |
995 | case amd64_x32_sys_munlockall: | |
996 | return gdb_sys_munlockall; | |
997 | ||
998 | case amd64_sys_vhangup: | |
999 | case amd64_x32_sys_vhangup: | |
1000 | return gdb_sys_vhangup; | |
1001 | ||
1002 | case amd64_sys_modify_ldt: | |
1003 | case amd64_x32_sys_modify_ldt: | |
1004 | return gdb_sys_modify_ldt; | |
1005 | ||
1006 | case amd64_sys_pivot_root: | |
1007 | case amd64_x32_sys_pivot_root: | |
1008 | return gdb_sys_pivot_root; | |
1009 | ||
1010 | case amd64_sys_sysctl: | |
1011 | case amd64_x32_sys_sysctl: | |
1012 | return gdb_sys_sysctl; | |
1013 | ||
1014 | case amd64_sys_prctl: | |
1015 | case amd64_x32_sys_prctl: | |
1016 | return gdb_sys_prctl; | |
1017 | ||
1018 | case amd64_sys_arch_prctl: | |
1019 | case amd64_x32_sys_arch_prctl: | |
1020 | return gdb_sys_no_syscall; /* Note */ | |
1021 | ||
1022 | case amd64_sys_adjtimex: | |
1023 | case amd64_x32_sys_adjtimex: | |
1024 | return gdb_sys_adjtimex; | |
1025 | ||
1026 | case amd64_sys_setrlimit: | |
1027 | case amd64_x32_sys_setrlimit: | |
1028 | return gdb_sys_setrlimit; | |
1029 | ||
1030 | case amd64_sys_chroot: | |
1031 | case amd64_x32_sys_chroot: | |
1032 | return gdb_sys_chroot; | |
1033 | ||
1034 | case amd64_sys_sync: | |
1035 | case amd64_x32_sys_sync: | |
1036 | return gdb_sys_sync; | |
1037 | ||
1038 | case amd64_sys_acct: | |
1039 | case amd64_x32_sys_acct: | |
1040 | return gdb_sys_acct; | |
1041 | ||
1042 | case amd64_sys_settimeofday: | |
1043 | case amd64_x32_sys_settimeofday: | |
1044 | return gdb_sys_settimeofday; | |
1045 | ||
1046 | case amd64_sys_mount: | |
1047 | case amd64_x32_sys_mount: | |
1048 | return gdb_sys_mount; | |
1049 | ||
1050 | case amd64_sys_umount: | |
1051 | case amd64_x32_sys_umount: | |
1052 | return gdb_sys_umount; | |
1053 | ||
1054 | case amd64_sys_swapon: | |
1055 | case amd64_x32_sys_swapon: | |
1056 | return gdb_sys_swapon; | |
1057 | ||
1058 | case amd64_sys_swapoff: | |
1059 | case amd64_x32_sys_swapoff: | |
1060 | return gdb_sys_swapoff; | |
1061 | ||
1062 | case amd64_sys_reboot: | |
1063 | case amd64_x32_sys_reboot: | |
1064 | return gdb_sys_reboot; | |
1065 | ||
1066 | case amd64_sys_sethostname: | |
1067 | case amd64_x32_sys_sethostname: | |
1068 | return gdb_sys_sethostname; | |
1069 | ||
1070 | case amd64_sys_setdomainname: | |
1071 | case amd64_x32_sys_setdomainname: | |
1072 | return gdb_sys_setdomainname; | |
1073 | ||
1074 | case amd64_sys_iopl: | |
1075 | case amd64_x32_sys_iopl: | |
1076 | return gdb_sys_iopl; | |
1077 | ||
1078 | case amd64_sys_ioperm: | |
1079 | case amd64_x32_sys_ioperm: | |
1080 | return gdb_sys_ioperm; | |
1081 | ||
1082 | case amd64_sys_init_module: | |
1083 | case amd64_x32_sys_init_module: | |
1084 | return gdb_sys_init_module; | |
1085 | ||
1086 | case amd64_sys_delete_module: | |
1087 | case amd64_x32_sys_delete_module: | |
1088 | return gdb_sys_delete_module; | |
1089 | ||
1090 | case amd64_sys_quotactl: | |
1091 | case amd64_x32_sys_quotactl: | |
1092 | return gdb_sys_quotactl; | |
1093 | ||
1094 | case amd64_sys_nfsservctl: | |
1095 | return gdb_sys_nfsservctl; | |
1096 | ||
1097 | case amd64_sys_gettid: | |
1098 | case amd64_x32_sys_gettid: | |
1099 | return gdb_sys_gettid; | |
1100 | ||
1101 | case amd64_sys_readahead: | |
1102 | case amd64_x32_sys_readahead: | |
1103 | return gdb_sys_readahead; | |
1104 | ||
1105 | case amd64_sys_setxattr: | |
1106 | case amd64_x32_sys_setxattr: | |
1107 | return gdb_sys_setxattr; | |
1108 | ||
1109 | case amd64_sys_lsetxattr: | |
1110 | case amd64_x32_sys_lsetxattr: | |
1111 | return gdb_sys_lsetxattr; | |
1112 | ||
1113 | case amd64_sys_fsetxattr: | |
1114 | case amd64_x32_sys_fsetxattr: | |
1115 | return gdb_sys_fsetxattr; | |
1116 | ||
1117 | case amd64_sys_getxattr: | |
1118 | case amd64_x32_sys_getxattr: | |
1119 | return gdb_sys_getxattr; | |
1120 | ||
1121 | case amd64_sys_lgetxattr: | |
1122 | case amd64_x32_sys_lgetxattr: | |
1123 | return gdb_sys_lgetxattr; | |
1124 | ||
1125 | case amd64_sys_fgetxattr: | |
1126 | case amd64_x32_sys_fgetxattr: | |
1127 | return gdb_sys_fgetxattr; | |
1128 | ||
1129 | case amd64_sys_listxattr: | |
1130 | case amd64_x32_sys_listxattr: | |
1131 | return gdb_sys_listxattr; | |
1132 | ||
1133 | case amd64_sys_llistxattr: | |
1134 | case amd64_x32_sys_llistxattr: | |
1135 | return gdb_sys_llistxattr; | |
1136 | ||
1137 | case amd64_sys_flistxattr: | |
1138 | case amd64_x32_sys_flistxattr: | |
1139 | return gdb_sys_flistxattr; | |
1140 | ||
1141 | case amd64_sys_removexattr: | |
1142 | case amd64_x32_sys_removexattr: | |
1143 | return gdb_sys_removexattr; | |
1144 | ||
1145 | case amd64_sys_lremovexattr: | |
1146 | case amd64_x32_sys_lremovexattr: | |
1147 | return gdb_sys_lremovexattr; | |
1148 | ||
1149 | case amd64_sys_fremovexattr: | |
1150 | case amd64_x32_sys_fremovexattr: | |
1151 | return gdb_sys_fremovexattr; | |
1152 | ||
1153 | case amd64_sys_tkill: | |
1154 | case amd64_x32_sys_tkill: | |
1155 | return gdb_sys_tkill; | |
1156 | ||
1157 | case amd64_sys_time: | |
1158 | case amd64_x32_sys_time: | |
1159 | return gdb_sys_time; | |
1160 | ||
1161 | case amd64_sys_futex: | |
1162 | case amd64_x32_sys_futex: | |
1163 | return gdb_sys_futex; | |
1164 | ||
1165 | case amd64_sys_sched_setaffinity: | |
1166 | case amd64_x32_sys_sched_setaffinity: | |
1167 | return gdb_sys_sched_setaffinity; | |
1168 | ||
1169 | case amd64_sys_sched_getaffinity: | |
1170 | case amd64_x32_sys_sched_getaffinity: | |
1171 | return gdb_sys_sched_getaffinity; | |
1172 | ||
1173 | case amd64_sys_io_setup: | |
1174 | case amd64_x32_sys_io_setup: | |
1175 | return gdb_sys_io_setup; | |
1176 | ||
1177 | case amd64_sys_io_destroy: | |
1178 | case amd64_x32_sys_io_destroy: | |
1179 | return gdb_sys_io_destroy; | |
1180 | ||
1181 | case amd64_sys_io_getevents: | |
1182 | case amd64_x32_sys_io_getevents: | |
1183 | return gdb_sys_io_getevents; | |
1184 | ||
1185 | case amd64_sys_io_submit: | |
1186 | case amd64_x32_sys_io_submit: | |
1187 | return gdb_sys_io_submit; | |
1188 | ||
1189 | case amd64_sys_io_cancel: | |
1190 | case amd64_x32_sys_io_cancel: | |
1191 | return gdb_sys_io_cancel; | |
1192 | ||
1193 | case amd64_sys_lookup_dcookie: | |
1194 | case amd64_x32_sys_lookup_dcookie: | |
1195 | return gdb_sys_lookup_dcookie; | |
1196 | ||
1197 | case amd64_sys_epoll_create: | |
1198 | case amd64_x32_sys_epoll_create: | |
1199 | return gdb_sys_epoll_create; | |
1200 | ||
1201 | case amd64_sys_remap_file_pages: | |
1202 | case amd64_x32_sys_remap_file_pages: | |
1203 | return gdb_sys_remap_file_pages; | |
1204 | ||
1205 | case amd64_sys_getdents64: | |
1206 | case amd64_x32_sys_getdents64: | |
1207 | return gdb_sys_getdents64; | |
1208 | ||
1209 | case amd64_sys_set_tid_address: | |
1210 | case amd64_x32_sys_set_tid_address: | |
1211 | return gdb_sys_set_tid_address; | |
1212 | ||
1213 | case amd64_sys_restart_syscall: | |
1214 | case amd64_x32_sys_restart_syscall: | |
1215 | return gdb_sys_restart_syscall; | |
1216 | ||
1217 | case amd64_sys_semtimedop: | |
1218 | case amd64_x32_sys_semtimedop: | |
1219 | return gdb_sys_semtimedop; | |
1220 | ||
1221 | case amd64_sys_fadvise64: | |
1222 | case amd64_x32_sys_fadvise64: | |
1223 | return gdb_sys_fadvise64; | |
1224 | ||
1225 | case amd64_sys_timer_create: | |
1226 | case amd64_x32_sys_timer_create: | |
1227 | return gdb_sys_timer_create; | |
1228 | ||
1229 | case amd64_sys_timer_settime: | |
1230 | case amd64_x32_sys_timer_settime: | |
1231 | return gdb_sys_timer_settime; | |
1232 | ||
1233 | case amd64_sys_timer_gettime: | |
1234 | case amd64_x32_sys_timer_gettime: | |
1235 | return gdb_sys_timer_gettime; | |
1236 | ||
1237 | case amd64_sys_timer_getoverrun: | |
1238 | case amd64_x32_sys_timer_getoverrun: | |
1239 | return gdb_sys_timer_getoverrun; | |
1240 | ||
1241 | case amd64_sys_timer_delete: | |
1242 | case amd64_x32_sys_timer_delete: | |
1243 | return gdb_sys_timer_delete; | |
1244 | ||
1245 | case amd64_sys_clock_settime: | |
1246 | case amd64_x32_sys_clock_settime: | |
1247 | return gdb_sys_clock_settime; | |
1248 | ||
1249 | case amd64_sys_clock_gettime: | |
1250 | case amd64_x32_sys_clock_gettime: | |
1251 | return gdb_sys_clock_gettime; | |
1252 | ||
1253 | case amd64_sys_clock_getres: | |
1254 | case amd64_x32_sys_clock_getres: | |
1255 | return gdb_sys_clock_getres; | |
1256 | ||
1257 | case amd64_sys_clock_nanosleep: | |
1258 | case amd64_x32_sys_clock_nanosleep: | |
1259 | return gdb_sys_clock_nanosleep; | |
1260 | ||
1261 | case amd64_sys_exit_group: | |
1262 | case amd64_x32_sys_exit_group: | |
1263 | return gdb_sys_exit_group; | |
1264 | ||
1265 | case amd64_sys_epoll_wait: | |
1266 | case amd64_x32_sys_epoll_wait: | |
1267 | return gdb_sys_epoll_wait; | |
1268 | ||
1269 | case amd64_sys_epoll_ctl: | |
1270 | case amd64_x32_sys_epoll_ctl: | |
1271 | return gdb_sys_epoll_ctl; | |
1272 | ||
1273 | case amd64_sys_tgkill: | |
1274 | case amd64_x32_sys_tgkill: | |
1275 | return gdb_sys_tgkill; | |
1276 | ||
1277 | case amd64_sys_utimes: | |
1278 | case amd64_x32_sys_utimes: | |
1279 | return gdb_sys_utimes; | |
1280 | ||
1281 | case amd64_sys_mbind: | |
1282 | case amd64_x32_sys_mbind: | |
1283 | return gdb_sys_mbind; | |
1284 | ||
1285 | case amd64_sys_set_mempolicy: | |
1286 | case amd64_x32_sys_set_mempolicy: | |
1287 | return gdb_sys_set_mempolicy; | |
1288 | ||
1289 | case amd64_sys_get_mempolicy: | |
1290 | case amd64_x32_sys_get_mempolicy: | |
1291 | return gdb_sys_get_mempolicy; | |
1292 | ||
1293 | case amd64_sys_mq_open: | |
1294 | case amd64_x32_sys_mq_open: | |
1295 | return gdb_sys_mq_open; | |
1296 | ||
1297 | case amd64_sys_mq_unlink: | |
1298 | case amd64_x32_sys_mq_unlink: | |
1299 | return gdb_sys_mq_unlink; | |
1300 | ||
1301 | case amd64_sys_mq_timedsend: | |
1302 | case amd64_x32_sys_mq_timedsend: | |
1303 | return gdb_sys_mq_timedsend; | |
1304 | ||
1305 | case amd64_sys_mq_timedreceive: | |
1306 | case amd64_x32_sys_mq_timedreceive: | |
1307 | return gdb_sys_mq_timedreceive; | |
1308 | ||
1309 | case amd64_sys_mq_notify: | |
1310 | case amd64_x32_sys_mq_notify: | |
1311 | return gdb_sys_mq_notify; | |
1312 | ||
1313 | case amd64_sys_mq_getsetattr: | |
1314 | case amd64_x32_sys_mq_getsetattr: | |
1315 | return gdb_sys_mq_getsetattr; | |
1316 | ||
1317 | case amd64_sys_kexec_load: | |
1318 | case amd64_x32_sys_kexec_load: | |
1319 | return gdb_sys_kexec_load; | |
1320 | ||
1321 | case amd64_sys_waitid: | |
1322 | case amd64_x32_sys_waitid: | |
1323 | return gdb_sys_waitid; | |
1324 | ||
1325 | case amd64_sys_add_key: | |
1326 | case amd64_x32_sys_add_key: | |
1327 | return gdb_sys_add_key; | |
1328 | ||
1329 | case amd64_sys_request_key: | |
1330 | case amd64_x32_sys_request_key: | |
1331 | return gdb_sys_request_key; | |
1332 | ||
1333 | case amd64_sys_keyctl: | |
1334 | case amd64_x32_sys_keyctl: | |
1335 | return gdb_sys_keyctl; | |
1336 | ||
1337 | case amd64_sys_ioprio_set: | |
1338 | case amd64_x32_sys_ioprio_set: | |
1339 | return gdb_sys_ioprio_set; | |
1340 | ||
1341 | case amd64_sys_ioprio_get: | |
1342 | case amd64_x32_sys_ioprio_get: | |
1343 | return gdb_sys_ioprio_get; | |
1344 | ||
1345 | case amd64_sys_inotify_init: | |
1346 | case amd64_x32_sys_inotify_init: | |
1347 | return gdb_sys_inotify_init; | |
1348 | ||
1349 | case amd64_sys_inotify_add_watch: | |
1350 | case amd64_x32_sys_inotify_add_watch: | |
1351 | return gdb_sys_inotify_add_watch; | |
1352 | ||
1353 | case amd64_sys_inotify_rm_watch: | |
1354 | case amd64_x32_sys_inotify_rm_watch: | |
1355 | return gdb_sys_inotify_rm_watch; | |
1356 | ||
1357 | case amd64_sys_migrate_pages: | |
1358 | case amd64_x32_sys_migrate_pages: | |
1359 | return gdb_sys_migrate_pages; | |
1360 | ||
1361 | case amd64_sys_openat: | |
1362 | case amd64_x32_sys_openat: | |
1363 | return gdb_sys_openat; | |
1364 | ||
1365 | case amd64_sys_mkdirat: | |
1366 | case amd64_x32_sys_mkdirat: | |
1367 | return gdb_sys_mkdirat; | |
1368 | ||
1369 | case amd64_sys_mknodat: | |
1370 | case amd64_x32_sys_mknodat: | |
1371 | return gdb_sys_mknodat; | |
1372 | ||
1373 | case amd64_sys_fchownat: | |
1374 | case amd64_x32_sys_fchownat: | |
1375 | return gdb_sys_fchownat; | |
1376 | ||
1377 | case amd64_sys_futimesat: | |
1378 | case amd64_x32_sys_futimesat: | |
1379 | return gdb_sys_futimesat; | |
1380 | ||
1381 | case amd64_sys_newfstatat: | |
1382 | case amd64_x32_sys_newfstatat: | |
1383 | return gdb_sys_newfstatat; | |
1384 | ||
1385 | case amd64_sys_unlinkat: | |
1386 | case amd64_x32_sys_unlinkat: | |
1387 | return gdb_sys_unlinkat; | |
1388 | ||
1389 | case amd64_sys_renameat: | |
1390 | case amd64_x32_sys_renameat: | |
1391 | return gdb_sys_renameat; | |
1392 | ||
1393 | case amd64_sys_linkat: | |
1394 | case amd64_x32_sys_linkat: | |
1395 | return gdb_sys_linkat; | |
1396 | ||
1397 | case amd64_sys_symlinkat: | |
1398 | case amd64_x32_sys_symlinkat: | |
1399 | return gdb_sys_symlinkat; | |
1400 | ||
1401 | case amd64_sys_readlinkat: | |
1402 | case amd64_x32_sys_readlinkat: | |
1403 | return gdb_sys_readlinkat; | |
1404 | ||
1405 | case amd64_sys_fchmodat: | |
1406 | case amd64_x32_sys_fchmodat: | |
1407 | return gdb_sys_fchmodat; | |
1408 | ||
1409 | case amd64_sys_faccessat: | |
1410 | case amd64_x32_sys_faccessat: | |
1411 | return gdb_sys_faccessat; | |
1412 | ||
1413 | case amd64_sys_pselect6: | |
1414 | case amd64_x32_sys_pselect6: | |
1415 | return gdb_sys_pselect6; | |
1416 | ||
1417 | case amd64_sys_ppoll: | |
1418 | case amd64_x32_sys_ppoll: | |
1419 | return gdb_sys_ppoll; | |
1420 | ||
1421 | case amd64_sys_unshare: | |
1422 | case amd64_x32_sys_unshare: | |
1423 | return gdb_sys_unshare; | |
1424 | ||
1425 | case amd64_sys_set_robust_list: | |
1426 | case amd64_x32_sys_set_robust_list: | |
1427 | return gdb_sys_set_robust_list; | |
1428 | ||
1429 | case amd64_sys_get_robust_list: | |
1430 | case amd64_x32_sys_get_robust_list: | |
1431 | return gdb_sys_get_robust_list; | |
1432 | ||
1433 | case amd64_sys_splice: | |
1434 | case amd64_x32_sys_splice: | |
1435 | return gdb_sys_splice; | |
1436 | ||
1437 | case amd64_sys_tee: | |
1438 | case amd64_x32_sys_tee: | |
1439 | return gdb_sys_tee; | |
1440 | ||
1441 | case amd64_sys_sync_file_range: | |
1442 | case amd64_x32_sys_sync_file_range: | |
1443 | return gdb_sys_sync_file_range; | |
1444 | ||
1445 | case amd64_sys_vmsplice: | |
1446 | case amd64_x32_sys_vmsplice: | |
1447 | return gdb_sys_vmsplice; | |
1448 | ||
1449 | case amd64_sys_move_pages: | |
1450 | case amd64_x32_sys_move_pages: | |
1451 | return gdb_sys_move_pages; | |
1452 | ||
1453 | default: | |
1454 | return gdb_sys_no_syscall; | |
1455 | } | |
1456 | ||
1457 | DIAGNOSTIC_POP | |
1458 | } | |
1459 | ||
1460 | /* Parse the arguments of current system call instruction and record | |
1461 | the values of the registers and memory that will be changed into | |
1462 | "record_full_arch_list". This instruction is "syscall". | |
1463 | ||
1464 | Return -1 if something wrong. */ | |
1465 | ||
1466 | static struct linux_record_tdep amd64_linux_record_tdep; | |
1467 | static struct linux_record_tdep amd64_x32_linux_record_tdep; | |
1468 | ||
1469 | #define RECORD_ARCH_GET_FS 0x1003 | |
1470 | #define RECORD_ARCH_GET_GS 0x1004 | |
1471 | ||
1472 | static int | |
1473 | amd64_linux_syscall_record_common (struct regcache *regcache, | |
1474 | struct linux_record_tdep *linux_record_tdep_p) | |
1475 | { | |
1476 | int ret; | |
1477 | ULONGEST syscall_native; | |
1478 | enum gdb_syscall syscall_gdb = gdb_sys_no_syscall; | |
1479 | ||
1480 | regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native); | |
1481 | ||
1482 | switch (syscall_native) | |
1483 | { | |
1484 | case amd64_sys_rt_sigreturn: | |
1485 | case amd64_x32_sys_rt_sigreturn: | |
1486 | if (amd64_all_but_ip_registers_record (regcache)) | |
1487 | return -1; | |
1488 | return 0; | |
1489 | break; | |
1490 | ||
1491 | case amd64_sys_arch_prctl: | |
1492 | case amd64_x32_sys_arch_prctl: | |
1493 | { | |
1494 | ULONGEST arg3; | |
1495 | regcache_raw_read_unsigned (regcache, linux_record_tdep_p->arg3, | |
1496 | &arg3); | |
1497 | if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS) | |
1498 | { | |
1499 | CORE_ADDR addr; | |
1500 | ||
1501 | regcache_raw_read_unsigned (regcache, | |
1502 | linux_record_tdep_p->arg2, | |
1503 | &addr); | |
1504 | if (record_full_arch_list_add_mem | |
1505 | (addr, linux_record_tdep_p->size_ulong)) | |
1506 | return -1; | |
1507 | } | |
1508 | goto record_regs; | |
1509 | } | |
1510 | break; | |
1511 | } | |
1512 | ||
1513 | syscall_gdb | |
1514 | = amd64_canonicalize_syscall ((enum amd64_syscall) syscall_native); | |
1515 | ||
1516 | if (syscall_gdb == gdb_sys_no_syscall) | |
1517 | { | |
1518 | gdb_printf (gdb_stderr, | |
1519 | _("Process record and replay target doesn't " | |
1520 | "support syscall number %s\n"), | |
1521 | pulongest (syscall_native)); | |
1522 | return -1; | |
1523 | } | |
1524 | else | |
1525 | { | |
1526 | ret = record_linux_system_call (syscall_gdb, regcache, | |
1527 | linux_record_tdep_p); | |
1528 | if (ret) | |
1529 | return ret; | |
1530 | } | |
1531 | ||
1532 | record_regs: | |
1533 | /* Record the return value of the system call. */ | |
1534 | if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) | |
1535 | return -1; | |
1536 | if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM)) | |
1537 | return -1; | |
1538 | ||
1539 | return 0; | |
1540 | } | |
1541 | ||
1542 | static int | |
1543 | amd64_linux_syscall_record (struct regcache *regcache) | |
1544 | { | |
1545 | return amd64_linux_syscall_record_common (regcache, | |
1546 | &amd64_linux_record_tdep); | |
1547 | } | |
1548 | ||
1549 | static int | |
1550 | amd64_x32_linux_syscall_record (struct regcache *regcache) | |
1551 | { | |
1552 | return amd64_linux_syscall_record_common (regcache, | |
1553 | &amd64_x32_linux_record_tdep); | |
1554 | } | |
1555 | ||
1556 | #define AMD64_LINUX_redzone 128 | |
1557 | #define AMD64_LINUX_xstate 512 | |
1558 | #define AMD64_LINUX_frame_size 560 | |
1559 | ||
1560 | static int | |
1561 | amd64_linux_record_signal (struct gdbarch *gdbarch, | |
1562 | struct regcache *regcache, | |
1563 | enum gdb_signal signal) | |
1564 | { | |
1565 | ULONGEST rsp; | |
1566 | ||
1567 | if (amd64_all_but_ip_registers_record (regcache)) | |
1568 | return -1; | |
1569 | ||
1570 | if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM)) | |
1571 | return -1; | |
1572 | ||
1573 | /* Record the change in the stack. */ | |
1574 | regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp); | |
1575 | /* redzone | |
1576 | sp -= 128; */ | |
1577 | rsp -= AMD64_LINUX_redzone; | |
1578 | /* This is for xstate. | |
1579 | sp -= sizeof (struct _fpstate); */ | |
1580 | rsp -= AMD64_LINUX_xstate; | |
1581 | /* This is for frame_size. | |
1582 | sp -= sizeof (struct rt_sigframe); */ | |
1583 | rsp -= AMD64_LINUX_frame_size; | |
1584 | if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone | |
1585 | + AMD64_LINUX_xstate | |
1586 | + AMD64_LINUX_frame_size)) | |
1587 | return -1; | |
1588 | ||
1589 | if (record_full_arch_list_add_end ()) | |
1590 | return -1; | |
1591 | ||
1592 | return 0; | |
1593 | } | |
1594 | ||
1595 | /* Get Linux/x86 target description from core dump. */ | |
1596 | ||
1597 | static const struct target_desc * | |
1598 | amd64_linux_core_read_description (struct gdbarch *gdbarch, | |
1599 | struct target_ops *target, | |
1600 | bfd *abfd) | |
1601 | { | |
1602 | /* Linux/x86-64. */ | |
1603 | x86_xsave_layout layout; | |
1604 | uint64_t xcr0 = i386_linux_core_read_xsave_info (abfd, layout); | |
1605 | if (xcr0 == 0) | |
1606 | xcr0 = X86_XSTATE_SSE_MASK; | |
1607 | ||
1608 | return amd64_linux_read_description (xcr0 & X86_XSTATE_ALL_MASK, | |
1609 | gdbarch_ptr_bit (gdbarch) == 32); | |
1610 | } | |
1611 | ||
1612 | /* Similar to amd64_supply_fpregset, but use XSAVE extended state. */ | |
1613 | ||
1614 | static void | |
1615 | amd64_linux_supply_xstateregset (const struct regset *regset, | |
1616 | struct regcache *regcache, int regnum, | |
1617 | const void *xstateregs, size_t len) | |
1618 | { | |
1619 | amd64_supply_xsave (regcache, regnum, xstateregs); | |
1620 | } | |
1621 | ||
1622 | /* Similar to amd64_collect_fpregset, but use XSAVE extended state. */ | |
1623 | ||
1624 | static void | |
1625 | amd64_linux_collect_xstateregset (const struct regset *regset, | |
1626 | const struct regcache *regcache, | |
1627 | int regnum, void *xstateregs, size_t len) | |
1628 | { | |
1629 | amd64_collect_xsave (regcache, regnum, xstateregs, 1); | |
1630 | } | |
1631 | ||
1632 | static const struct regset amd64_linux_xstateregset = | |
1633 | { | |
1634 | NULL, | |
1635 | amd64_linux_supply_xstateregset, | |
1636 | amd64_linux_collect_xstateregset | |
1637 | }; | |
1638 | ||
1639 | /* Iterate over core file register note sections. */ | |
1640 | ||
1641 | static void | |
1642 | amd64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch, | |
1643 | iterate_over_regset_sections_cb *cb, | |
1644 | void *cb_data, | |
1645 | const struct regcache *regcache) | |
1646 | { | |
1647 | i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); | |
1648 | ||
1649 | cb (".reg", 27 * 8, 27 * 8, &i386_gregset, NULL, cb_data); | |
1650 | cb (".reg2", 512, 512, &amd64_fpregset, NULL, cb_data); | |
1651 | if (tdep->xsave_layout.sizeof_xsave != 0) | |
1652 | cb (".reg-xstate", tdep->xsave_layout.sizeof_xsave, | |
1653 | tdep->xsave_layout.sizeof_xsave, &amd64_linux_xstateregset, | |
1654 | "XSAVE extended state", cb_data); | |
1655 | } | |
1656 | ||
1657 | /* The instruction sequences used in x86_64 machines for a | |
1658 | disabled is-enabled probe. */ | |
1659 | ||
1660 | const gdb_byte amd64_dtrace_disabled_probe_sequence_1[] = { | |
1661 | /* xor %rax, %rax */ 0x48, 0x33, 0xc0, | |
1662 | /* nop */ 0x90, | |
1663 | /* nop */ 0x90 | |
1664 | }; | |
1665 | ||
1666 | const gdb_byte amd64_dtrace_disabled_probe_sequence_2[] = { | |
1667 | /* xor %rax, %rax */ 0x48, 0x33, 0xc0, | |
1668 | /* ret */ 0xc3, | |
1669 | /* nop */ 0x90 | |
1670 | }; | |
1671 | ||
1672 | /* The instruction sequence used in x86_64 machines for enabling a | |
1673 | DTrace is-enabled probe. */ | |
1674 | ||
1675 | const gdb_byte amd64_dtrace_enable_probe_sequence[] = { | |
1676 | /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00 | |
1677 | }; | |
1678 | ||
1679 | /* The instruction sequence used in x86_64 machines for disabling a | |
1680 | DTrace is-enabled probe. */ | |
1681 | ||
1682 | const gdb_byte amd64_dtrace_disable_probe_sequence[] = { | |
1683 | /* xor %rax, %rax; nop; nop */ 0x48, 0x33, 0xC0, 0x90, 0x90 | |
1684 | }; | |
1685 | ||
1686 | /* Implementation of `gdbarch_dtrace_probe_is_enabled', as defined in | |
1687 | gdbarch.h. */ | |
1688 | ||
1689 | static int | |
1690 | amd64_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr) | |
1691 | { | |
1692 | gdb_byte buf[5]; | |
1693 | ||
1694 | /* This function returns 1 if the instructions at ADDR do _not_ | |
1695 | follow any of the amd64_dtrace_disabled_probe_sequence_* | |
1696 | patterns. | |
1697 | ||
1698 | Note that ADDR is offset 3 bytes from the beginning of these | |
1699 | sequences. */ | |
1700 | ||
1701 | read_code (addr - 3, buf, 5); | |
1702 | return (memcmp (buf, amd64_dtrace_disabled_probe_sequence_1, 5) != 0 | |
1703 | && memcmp (buf, amd64_dtrace_disabled_probe_sequence_2, 5) != 0); | |
1704 | } | |
1705 | ||
1706 | /* Implementation of `gdbarch_dtrace_enable_probe', as defined in | |
1707 | gdbarch.h. */ | |
1708 | ||
1709 | static void | |
1710 | amd64_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr) | |
1711 | { | |
1712 | /* Note also that ADDR is offset 3 bytes from the beginning of | |
1713 | amd64_dtrace_enable_probe_sequence. */ | |
1714 | ||
1715 | write_memory (addr - 3, amd64_dtrace_enable_probe_sequence, 5); | |
1716 | } | |
1717 | ||
1718 | /* Implementation of `gdbarch_dtrace_disable_probe', as defined in | |
1719 | gdbarch.h. */ | |
1720 | ||
1721 | static void | |
1722 | amd64_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr) | |
1723 | { | |
1724 | /* Note also that ADDR is offset 3 bytes from the beginning of | |
1725 | amd64_dtrace_disable_probe_sequence. */ | |
1726 | ||
1727 | write_memory (addr - 3, amd64_dtrace_disable_probe_sequence, 5); | |
1728 | } | |
1729 | ||
1730 | /* Implementation of `gdbarch_dtrace_parse_probe_argument', as defined | |
1731 | in gdbarch.h. */ | |
1732 | ||
1733 | static expr::operation_up | |
1734 | amd64_dtrace_parse_probe_argument (struct gdbarch *gdbarch, | |
1735 | int narg) | |
1736 | { | |
1737 | /* DTrace probe arguments can be found on the ABI-defined places for | |
1738 | regular arguments at the current PC. The probe abstraction | |
1739 | currently supports up to 12 arguments for probes. */ | |
1740 | ||
1741 | using namespace expr; | |
1742 | ||
1743 | if (narg < 6) | |
1744 | { | |
1745 | static const int arg_reg_map[6] = | |
1746 | { | |
1747 | AMD64_RDI_REGNUM, /* Arg 1. */ | |
1748 | AMD64_RSI_REGNUM, /* Arg 2. */ | |
1749 | AMD64_RDX_REGNUM, /* Arg 3. */ | |
1750 | AMD64_RCX_REGNUM, /* Arg 4. */ | |
1751 | AMD64_R8_REGNUM, /* Arg 5. */ | |
1752 | AMD64_R9_REGNUM /* Arg 6. */ | |
1753 | }; | |
1754 | int regno = arg_reg_map[narg]; | |
1755 | const char *regname = user_reg_map_regnum_to_name (gdbarch, regno); | |
1756 | return make_operation<register_operation> (regname); | |
1757 | } | |
1758 | else | |
1759 | { | |
1760 | /* Additional arguments are passed on the stack. */ | |
1761 | const char *regname = user_reg_map_regnum_to_name (gdbarch, AMD64_RSP_REGNUM); | |
1762 | ||
1763 | /* Displacement. */ | |
1764 | struct type *long_type = builtin_type (gdbarch)->builtin_long; | |
1765 | operation_up disp = make_operation<long_const_operation> (long_type, | |
1766 | narg - 6); | |
1767 | ||
1768 | /* Register: SP. */ | |
1769 | operation_up reg = make_operation<register_operation> (regname); | |
1770 | ||
1771 | operation_up add = make_operation<add_operation> (std::move (disp), | |
1772 | std::move (reg)); | |
1773 | ||
1774 | /* Cast to long. */ | |
1775 | operation_up cast = make_operation<unop_cast_operation> (std::move (add), | |
1776 | long_type); | |
1777 | ||
1778 | return make_operation<unop_ind_operation> (std::move (cast)); | |
1779 | } | |
1780 | } | |
1781 | ||
1782 | /* Extract the untagging mask based on the currently active linear address | |
1783 | masking (LAM) mode, which is stored in the /proc/<pid>/status file. | |
1784 | If we cannot extract the untag mask (for example, if we don't have | |
1785 | execution), we assume address tagging is not enabled and return the | |
1786 | DEFAULT_TAG_MASK. */ | |
1787 | ||
1788 | static CORE_ADDR | |
1789 | amd64_linux_lam_untag_mask () | |
1790 | { | |
1791 | if (!target_has_execution ()) | |
1792 | return DEFAULT_TAG_MASK; | |
1793 | ||
1794 | inferior *inf = current_inferior (); | |
1795 | if (inf->fake_pid_p) | |
1796 | return DEFAULT_TAG_MASK; | |
1797 | ||
1798 | const std::string filename = string_printf ("/proc/%d/status", inf->pid); | |
1799 | gdb::unique_xmalloc_ptr<char> status_file | |
1800 | = target_fileio_read_stralloc (nullptr, filename.c_str ()); | |
1801 | ||
1802 | if (status_file == nullptr) | |
1803 | return DEFAULT_TAG_MASK; | |
1804 | ||
1805 | std::string_view status_file_view (status_file.get ()); | |
1806 | constexpr std::string_view untag_mask_str = "untag_mask:\t"; | |
1807 | const size_t found = status_file_view.find (untag_mask_str); | |
1808 | if (found != std::string::npos) | |
1809 | { | |
1810 | const char* start = status_file_view.data() + found | |
1811 | + untag_mask_str.length (); | |
1812 | char* endptr; | |
1813 | errno = 0; | |
1814 | unsigned long long result = std::strtoul (start, &endptr, 0); | |
1815 | if (errno != 0 || endptr == start) | |
1816 | error (_("Failed to parse untag_mask from file %s."), | |
1817 | std::string (filename).c_str ()); | |
1818 | ||
1819 | return result; | |
1820 | } | |
1821 | ||
1822 | return DEFAULT_TAG_MASK; | |
1823 | } | |
1824 | ||
1825 | /* Adjust watchpoint address based on the currently active linear address | |
1826 | masking (LAM) mode using the untag mask. Check each time for a new | |
1827 | mask, as LAM is enabled at runtime. */ | |
1828 | ||
1829 | static CORE_ADDR | |
1830 | amd64_linux_remove_non_address_bits_watchpoint (gdbarch *gdbarch, | |
1831 | CORE_ADDR addr) | |
1832 | { | |
1833 | /* Clear insignificant bits of a target address using the untag | |
1834 | mask. */ | |
1835 | return (addr & amd64_linux_lam_untag_mask ()); | |
1836 | } | |
1837 | ||
1838 | /* Fetch and return the TLS DTV (dynamic thread vector) address for PTID. | |
1839 | Throw a suitable TLS error if something goes wrong. */ | |
1840 | ||
1841 | static CORE_ADDR | |
1842 | amd64_linux_get_tls_dtv_addr (struct gdbarch *gdbarch, ptid_t ptid, | |
1843 | enum svr4_tls_libc libc) | |
1844 | { | |
1845 | /* On x86-64, the thread pointer is found in the fsbase register. */ | |
1846 | regcache *regcache | |
1847 | = get_thread_arch_regcache (current_inferior (), ptid, gdbarch); | |
1848 | target_fetch_registers (regcache, AMD64_FSBASE_REGNUM); | |
1849 | ULONGEST fsbase; | |
1850 | if (regcache->cooked_read (AMD64_FSBASE_REGNUM, &fsbase) != REG_VALID) | |
1851 | throw_error (TLS_GENERIC_ERROR, _("Unable to fetch thread pointer")); | |
1852 | ||
1853 | /* The thread pointer (fsbase) points at the TCB (thread control | |
1854 | block). The first two members of this struct are both pointers, | |
1855 | where the first will be a pointer to the TCB (i.e. it points at | |
1856 | itself) and the second will be a pointer to the DTV (dynamic | |
1857 | thread vector). There are many other fields too, but the one | |
1858 | we care about here is the DTV pointer. Compute the address | |
1859 | of the DTV pointer, fetch it, and convert it to an address. */ | |
1860 | CORE_ADDR dtv_ptr_addr = fsbase + gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT; | |
1861 | gdb::byte_vector buf (gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT); | |
1862 | if (target_read_memory (dtv_ptr_addr, buf.data (), buf.size ()) != 0) | |
1863 | throw_error (TLS_GENERIC_ERROR, _("Unable to fetch DTV address")); | |
1864 | ||
1865 | const struct builtin_type *builtin = builtin_type (gdbarch); | |
1866 | CORE_ADDR dtv_addr = gdbarch_pointer_to_address | |
1867 | (gdbarch, builtin->builtin_data_ptr, buf.data ()); | |
1868 | return dtv_addr; | |
1869 | } | |
1870 | ||
1871 | static void | |
1872 | amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch, | |
1873 | int num_disp_step_buffers) | |
1874 | { | |
1875 | i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); | |
1876 | ||
1877 | linux_init_abi (info, gdbarch, num_disp_step_buffers); | |
1878 | ||
1879 | tdep->sigtramp_p = amd64_linux_sigtramp_p; | |
1880 | tdep->sigcontext_addr = amd64_linux_sigcontext_addr; | |
1881 | tdep->sc_reg_offset = amd64_linux_sc_reg_offset; | |
1882 | tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset); | |
1883 | ||
1884 | tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET; | |
1885 | set_gdbarch_core_read_x86_xsave_layout | |
1886 | (gdbarch, i386_linux_core_read_x86_xsave_layout); | |
1887 | ||
1888 | /* Add the %orig_rax register used for syscall restarting. */ | |
1889 | set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc); | |
1890 | ||
1891 | tdep->register_reggroup_p = amd64_linux_register_reggroup_p; | |
1892 | ||
1893 | /* Functions for 'catch syscall'. */ | |
1894 | set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64); | |
1895 | set_gdbarch_get_syscall_number (gdbarch, | |
1896 | amd64_linux_get_syscall_number); | |
1897 | ||
1898 | /* Enable TLS support. */ | |
1899 | set_gdbarch_fetch_tls_load_module_address (gdbarch, | |
1900 | svr4_fetch_objfile_link_map); | |
1901 | set_gdbarch_get_thread_local_address (gdbarch, | |
1902 | svr4_tls_get_thread_local_address); | |
1903 | svr4_tls_register_tls_methods (info, gdbarch, amd64_linux_get_tls_dtv_addr); | |
1904 | ||
1905 | /* GNU/Linux uses SVR4-style shared libraries. */ | |
1906 | set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); | |
1907 | ||
1908 | /* GNU/Linux uses the dynamic linker included in the GNU C Library. */ | |
1909 | set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); | |
1910 | ||
1911 | /* Iterate over core file register note sections. */ | |
1912 | set_gdbarch_iterate_over_regset_sections | |
1913 | (gdbarch, amd64_linux_iterate_over_regset_sections); | |
1914 | ||
1915 | set_gdbarch_core_read_description (gdbarch, | |
1916 | amd64_linux_core_read_description); | |
1917 | ||
1918 | /* Displaced stepping. */ | |
1919 | set_gdbarch_displaced_step_copy_insn (gdbarch, | |
1920 | amd64_displaced_step_copy_insn); | |
1921 | set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup); | |
1922 | ||
1923 | set_gdbarch_process_record (gdbarch, i386_process_record); | |
1924 | set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal); | |
1925 | ||
1926 | set_gdbarch_remove_non_address_bits_watchpoint | |
1927 | (gdbarch, amd64_linux_remove_non_address_bits_watchpoint); | |
1928 | } | |
1929 | ||
1930 | static void | |
1931 | amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) | |
1932 | { | |
1933 | i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); | |
1934 | struct tdesc_arch_data *tdesc_data = info.tdesc_data; | |
1935 | const struct tdesc_feature *feature; | |
1936 | int valid_p; | |
1937 | ||
1938 | gdb_assert (tdesc_data); | |
1939 | ||
1940 | tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset; | |
1941 | tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset); | |
1942 | tdep->sizeof_gregset = 27 * 8; | |
1943 | ||
1944 | amd64_init_abi (info, gdbarch, | |
1945 | amd64_linux_read_description (X86_XSTATE_SSE_MASK, false)); | |
1946 | ||
1947 | const target_desc *tdesc = tdep->tdesc; | |
1948 | ||
1949 | /* Reserve a number for orig_rax. */ | |
1950 | set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS); | |
1951 | ||
1952 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux"); | |
1953 | if (feature == NULL) | |
1954 | return; | |
1955 | ||
1956 | valid_p = tdesc_numbered_register (feature, tdesc_data, | |
1957 | AMD64_LINUX_ORIG_RAX_REGNUM, | |
1958 | "orig_rax"); | |
1959 | if (!valid_p) | |
1960 | return; | |
1961 | ||
1962 | amd64_linux_init_abi_common (info, gdbarch, 2); | |
1963 | ||
1964 | /* Initialize the amd64_linux_record_tdep. */ | |
1965 | /* These values are the size of the type that will be used in a system | |
1966 | call. They are obtained from Linux Kernel source. */ | |
1967 | amd64_linux_record_tdep.size_pointer | |
1968 | = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT; | |
1969 | amd64_linux_record_tdep.size__old_kernel_stat = 32; | |
1970 | amd64_linux_record_tdep.size_tms = 32; | |
1971 | amd64_linux_record_tdep.size_loff_t = 8; | |
1972 | amd64_linux_record_tdep.size_flock = 32; | |
1973 | amd64_linux_record_tdep.size_oldold_utsname = 45; | |
1974 | amd64_linux_record_tdep.size_ustat = 32; | |
1975 | /* ADM64 doesn't need this size because it doesn't have sys_sigaction | |
1976 | but sys_rt_sigaction. */ | |
1977 | amd64_linux_record_tdep.size_old_sigaction = 32; | |
1978 | /* ADM64 doesn't need this size because it doesn't have sys_sigpending | |
1979 | but sys_rt_sigpending. */ | |
1980 | amd64_linux_record_tdep.size_old_sigset_t = 8; | |
1981 | amd64_linux_record_tdep.size_rlimit = 16; | |
1982 | amd64_linux_record_tdep.size_rusage = 144; | |
1983 | amd64_linux_record_tdep.size_timeval = 16; | |
1984 | amd64_linux_record_tdep.size_timezone = 8; | |
1985 | /* ADM64 doesn't need this size because it doesn't have sys_getgroups16 | |
1986 | but sys_getgroups. */ | |
1987 | amd64_linux_record_tdep.size_old_gid_t = 2; | |
1988 | /* ADM64 doesn't need this size because it doesn't have sys_getresuid16 | |
1989 | but sys_getresuid. */ | |
1990 | amd64_linux_record_tdep.size_old_uid_t = 2; | |
1991 | amd64_linux_record_tdep.size_fd_set = 128; | |
1992 | /* ADM64 doesn't need this size because it doesn't have sys_readdir. */ | |
1993 | amd64_linux_record_tdep.size_old_dirent = 280; | |
1994 | amd64_linux_record_tdep.size_statfs = 120; | |
1995 | amd64_linux_record_tdep.size_statfs64 = 120; | |
1996 | amd64_linux_record_tdep.size_sockaddr = 16; | |
1997 | amd64_linux_record_tdep.size_int | |
1998 | = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT; | |
1999 | amd64_linux_record_tdep.size_long | |
2000 | = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; | |
2001 | amd64_linux_record_tdep.size_ulong | |
2002 | = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; | |
2003 | amd64_linux_record_tdep.size_msghdr = 56; | |
2004 | amd64_linux_record_tdep.size_itimerval = 32; | |
2005 | amd64_linux_record_tdep.size_stat = 144; | |
2006 | amd64_linux_record_tdep.size_old_utsname = 325; | |
2007 | amd64_linux_record_tdep.size_sysinfo = 112; | |
2008 | amd64_linux_record_tdep.size_msqid_ds = 120; | |
2009 | amd64_linux_record_tdep.size_shmid_ds = 112; | |
2010 | amd64_linux_record_tdep.size_new_utsname = 390; | |
2011 | amd64_linux_record_tdep.size_timex = 208; | |
2012 | amd64_linux_record_tdep.size_mem_dqinfo = 24; | |
2013 | amd64_linux_record_tdep.size_if_dqblk = 72; | |
2014 | amd64_linux_record_tdep.size_fs_quota_stat = 80; | |
2015 | amd64_linux_record_tdep.size_timespec = 16; | |
2016 | amd64_linux_record_tdep.size_pollfd = 8; | |
2017 | amd64_linux_record_tdep.size_NFS_FHSIZE = 32; | |
2018 | amd64_linux_record_tdep.size_knfsd_fh = 132; | |
2019 | amd64_linux_record_tdep.size_TASK_COMM_LEN = 16; | |
2020 | amd64_linux_record_tdep.size_sigaction = 32; | |
2021 | amd64_linux_record_tdep.size_sigset_t = 8; | |
2022 | amd64_linux_record_tdep.size_siginfo_t = 128; | |
2023 | amd64_linux_record_tdep.size_cap_user_data_t = 8; | |
2024 | amd64_linux_record_tdep.size_stack_t = 24; | |
2025 | amd64_linux_record_tdep.size_off_t = 8; | |
2026 | amd64_linux_record_tdep.size_stat64 = 144; | |
2027 | amd64_linux_record_tdep.size_gid_t = 4; | |
2028 | amd64_linux_record_tdep.size_uid_t = 4; | |
2029 | amd64_linux_record_tdep.size_PAGE_SIZE = 4096; | |
2030 | amd64_linux_record_tdep.size_flock64 = 32; | |
2031 | amd64_linux_record_tdep.size_user_desc = 16; | |
2032 | amd64_linux_record_tdep.size_io_event = 32; | |
2033 | amd64_linux_record_tdep.size_iocb = 64; | |
2034 | amd64_linux_record_tdep.size_epoll_event = 12; | |
2035 | amd64_linux_record_tdep.size_itimerspec = 32; | |
2036 | amd64_linux_record_tdep.size_mq_attr = 64; | |
2037 | amd64_linux_record_tdep.size_termios = 36; | |
2038 | amd64_linux_record_tdep.size_termios2 = 44; | |
2039 | amd64_linux_record_tdep.size_pid_t = 4; | |
2040 | amd64_linux_record_tdep.size_winsize = 8; | |
2041 | amd64_linux_record_tdep.size_serial_struct = 72; | |
2042 | amd64_linux_record_tdep.size_serial_icounter_struct = 80; | |
2043 | amd64_linux_record_tdep.size_hayes_esp_config = 12; | |
2044 | amd64_linux_record_tdep.size_size_t = 8; | |
2045 | amd64_linux_record_tdep.size_iovec = 16; | |
2046 | amd64_linux_record_tdep.size_time_t = 8; | |
2047 | ||
2048 | /* These values are the second argument of system call "sys_fcntl" | |
2049 | and "sys_fcntl64". They are obtained from Linux Kernel source. */ | |
2050 | amd64_linux_record_tdep.fcntl_F_GETLK = 5; | |
2051 | amd64_linux_record_tdep.fcntl_F_GETLK64 = 12; | |
2052 | amd64_linux_record_tdep.fcntl_F_SETLK64 = 13; | |
2053 | amd64_linux_record_tdep.fcntl_F_SETLKW64 = 14; | |
2054 | ||
2055 | amd64_linux_record_tdep.arg1 = AMD64_RDI_REGNUM; | |
2056 | amd64_linux_record_tdep.arg2 = AMD64_RSI_REGNUM; | |
2057 | amd64_linux_record_tdep.arg3 = AMD64_RDX_REGNUM; | |
2058 | amd64_linux_record_tdep.arg4 = AMD64_R10_REGNUM; | |
2059 | amd64_linux_record_tdep.arg5 = AMD64_R8_REGNUM; | |
2060 | amd64_linux_record_tdep.arg6 = AMD64_R9_REGNUM; | |
2061 | ||
2062 | /* These values are the second argument of system call "sys_ioctl". | |
2063 | They are obtained from Linux Kernel source. */ | |
2064 | amd64_linux_record_tdep.ioctl_TCGETS = 0x5401; | |
2065 | amd64_linux_record_tdep.ioctl_TCSETS = 0x5402; | |
2066 | amd64_linux_record_tdep.ioctl_TCSETSW = 0x5403; | |
2067 | amd64_linux_record_tdep.ioctl_TCSETSF = 0x5404; | |
2068 | amd64_linux_record_tdep.ioctl_TCGETA = 0x5405; | |
2069 | amd64_linux_record_tdep.ioctl_TCSETA = 0x5406; | |
2070 | amd64_linux_record_tdep.ioctl_TCSETAW = 0x5407; | |
2071 | amd64_linux_record_tdep.ioctl_TCSETAF = 0x5408; | |
2072 | amd64_linux_record_tdep.ioctl_TCSBRK = 0x5409; | |
2073 | amd64_linux_record_tdep.ioctl_TCXONC = 0x540A; | |
2074 | amd64_linux_record_tdep.ioctl_TCFLSH = 0x540B; | |
2075 | amd64_linux_record_tdep.ioctl_TIOCEXCL = 0x540C; | |
2076 | amd64_linux_record_tdep.ioctl_TIOCNXCL = 0x540D; | |
2077 | amd64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E; | |
2078 | amd64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F; | |
2079 | amd64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410; | |
2080 | amd64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411; | |
2081 | amd64_linux_record_tdep.ioctl_TIOCSTI = 0x5412; | |
2082 | amd64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413; | |
2083 | amd64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414; | |
2084 | amd64_linux_record_tdep.ioctl_TIOCMGET = 0x5415; | |
2085 | amd64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416; | |
2086 | amd64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417; | |
2087 | amd64_linux_record_tdep.ioctl_TIOCMSET = 0x5418; | |
2088 | amd64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419; | |
2089 | amd64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A; | |
2090 | amd64_linux_record_tdep.ioctl_FIONREAD = 0x541B; | |
2091 | amd64_linux_record_tdep.ioctl_TIOCINQ | |
2092 | = amd64_linux_record_tdep.ioctl_FIONREAD; | |
2093 | amd64_linux_record_tdep.ioctl_TIOCLINUX = 0x541C; | |
2094 | amd64_linux_record_tdep.ioctl_TIOCCONS = 0x541D; | |
2095 | amd64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E; | |
2096 | amd64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F; | |
2097 | amd64_linux_record_tdep.ioctl_TIOCPKT = 0x5420; | |
2098 | amd64_linux_record_tdep.ioctl_FIONBIO = 0x5421; | |
2099 | amd64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422; | |
2100 | amd64_linux_record_tdep.ioctl_TIOCSETD = 0x5423; | |
2101 | amd64_linux_record_tdep.ioctl_TIOCGETD = 0x5424; | |
2102 | amd64_linux_record_tdep.ioctl_TCSBRKP = 0x5425; | |
2103 | amd64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426; | |
2104 | amd64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427; | |
2105 | amd64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428; | |
2106 | amd64_linux_record_tdep.ioctl_TIOCGSID = 0x5429; | |
2107 | amd64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a; | |
2108 | amd64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b; | |
2109 | amd64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c; | |
2110 | amd64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d; | |
2111 | amd64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430; | |
2112 | amd64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431; | |
2113 | amd64_linux_record_tdep.ioctl_FIONCLEX = 0x5450; | |
2114 | amd64_linux_record_tdep.ioctl_FIOCLEX = 0x5451; | |
2115 | amd64_linux_record_tdep.ioctl_FIOASYNC = 0x5452; | |
2116 | amd64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453; | |
2117 | amd64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454; | |
2118 | amd64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455; | |
2119 | amd64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456; | |
2120 | amd64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457; | |
2121 | amd64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458; | |
2122 | amd64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459; | |
2123 | amd64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A; | |
2124 | amd64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B; | |
2125 | amd64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C; | |
2126 | amd64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D; | |
2127 | amd64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E; | |
2128 | amd64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F; | |
2129 | amd64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460; | |
2130 | ||
2131 | tdep->i386_syscall_record = amd64_linux_syscall_record; | |
2132 | ||
2133 | /* GNU/Linux uses SVR4-style shared libraries. */ | |
2134 | set_solib_svr4_ops (gdbarch, make_linux_lp64_svr4_solib_ops); | |
2135 | ||
2136 | /* Register DTrace handlers. */ | |
2137 | set_gdbarch_dtrace_parse_probe_argument (gdbarch, amd64_dtrace_parse_probe_argument); | |
2138 | set_gdbarch_dtrace_probe_is_enabled (gdbarch, amd64_dtrace_probe_is_enabled); | |
2139 | set_gdbarch_dtrace_enable_probe (gdbarch, amd64_dtrace_enable_probe); | |
2140 | set_gdbarch_dtrace_disable_probe (gdbarch, amd64_dtrace_disable_probe); | |
2141 | } | |
2142 | ||
2143 | static void | |
2144 | amd64_x32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) | |
2145 | { | |
2146 | i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); | |
2147 | struct tdesc_arch_data *tdesc_data = info.tdesc_data; | |
2148 | const struct tdesc_feature *feature; | |
2149 | int valid_p; | |
2150 | ||
2151 | gdb_assert (tdesc_data); | |
2152 | ||
2153 | tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset; | |
2154 | tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset); | |
2155 | tdep->sizeof_gregset = 27 * 8; | |
2156 | ||
2157 | amd64_x32_init_abi (info, gdbarch, | |
2158 | amd64_linux_read_description (X86_XSTATE_SSE_MASK, | |
2159 | true)); | |
2160 | ||
2161 | /* Reserve a number for orig_rax. */ | |
2162 | set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS); | |
2163 | ||
2164 | const target_desc *tdesc = tdep->tdesc; | |
2165 | ||
2166 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux"); | |
2167 | if (feature == NULL) | |
2168 | return; | |
2169 | ||
2170 | valid_p = tdesc_numbered_register (feature, tdesc_data, | |
2171 | AMD64_LINUX_ORIG_RAX_REGNUM, | |
2172 | "orig_rax"); | |
2173 | if (!valid_p) | |
2174 | return; | |
2175 | ||
2176 | amd64_linux_init_abi_common (info, gdbarch, 0); | |
2177 | ||
2178 | /* Initialize the amd64_x32_linux_record_tdep. */ | |
2179 | /* These values are the size of the type that will be used in a system | |
2180 | call. They are obtained from Linux Kernel source. */ | |
2181 | amd64_x32_linux_record_tdep.size_pointer | |
2182 | = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT; | |
2183 | amd64_x32_linux_record_tdep.size__old_kernel_stat = 32; | |
2184 | amd64_x32_linux_record_tdep.size_tms = 32; | |
2185 | amd64_x32_linux_record_tdep.size_loff_t = 8; | |
2186 | amd64_x32_linux_record_tdep.size_flock = 32; | |
2187 | amd64_x32_linux_record_tdep.size_oldold_utsname = 45; | |
2188 | amd64_x32_linux_record_tdep.size_ustat = 32; | |
2189 | /* ADM64 doesn't need this size because it doesn't have sys_sigaction | |
2190 | but sys_rt_sigaction. */ | |
2191 | amd64_x32_linux_record_tdep.size_old_sigaction = 16; | |
2192 | /* ADM64 doesn't need this size because it doesn't have sys_sigpending | |
2193 | but sys_rt_sigpending. */ | |
2194 | amd64_x32_linux_record_tdep.size_old_sigset_t = 4; | |
2195 | amd64_x32_linux_record_tdep.size_rlimit = 16; | |
2196 | amd64_x32_linux_record_tdep.size_rusage = 144; | |
2197 | amd64_x32_linux_record_tdep.size_timeval = 16; | |
2198 | amd64_x32_linux_record_tdep.size_timezone = 8; | |
2199 | /* ADM64 doesn't need this size because it doesn't have sys_getgroups16 | |
2200 | but sys_getgroups. */ | |
2201 | amd64_x32_linux_record_tdep.size_old_gid_t = 2; | |
2202 | /* ADM64 doesn't need this size because it doesn't have sys_getresuid16 | |
2203 | but sys_getresuid. */ | |
2204 | amd64_x32_linux_record_tdep.size_old_uid_t = 2; | |
2205 | amd64_x32_linux_record_tdep.size_fd_set = 128; | |
2206 | /* ADM64 doesn't need this size because it doesn't have sys_readdir. */ | |
2207 | amd64_x32_linux_record_tdep.size_old_dirent = 268; | |
2208 | amd64_x32_linux_record_tdep.size_statfs = 120; | |
2209 | amd64_x32_linux_record_tdep.size_statfs64 = 120; | |
2210 | amd64_x32_linux_record_tdep.size_sockaddr = 16; | |
2211 | amd64_x32_linux_record_tdep.size_int | |
2212 | = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT; | |
2213 | amd64_x32_linux_record_tdep.size_long | |
2214 | = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; | |
2215 | amd64_x32_linux_record_tdep.size_ulong | |
2216 | = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; | |
2217 | amd64_x32_linux_record_tdep.size_msghdr = 28; | |
2218 | amd64_x32_linux_record_tdep.size_itimerval = 32; | |
2219 | amd64_x32_linux_record_tdep.size_stat = 144; | |
2220 | amd64_x32_linux_record_tdep.size_old_utsname = 325; | |
2221 | amd64_x32_linux_record_tdep.size_sysinfo = 112; | |
2222 | amd64_x32_linux_record_tdep.size_msqid_ds = 120; | |
2223 | amd64_x32_linux_record_tdep.size_shmid_ds = 112; | |
2224 | amd64_x32_linux_record_tdep.size_new_utsname = 390; | |
2225 | amd64_x32_linux_record_tdep.size_timex = 208; | |
2226 | amd64_x32_linux_record_tdep.size_mem_dqinfo = 24; | |
2227 | amd64_x32_linux_record_tdep.size_if_dqblk = 72; | |
2228 | amd64_x32_linux_record_tdep.size_fs_quota_stat = 80; | |
2229 | amd64_x32_linux_record_tdep.size_timespec = 16; | |
2230 | amd64_x32_linux_record_tdep.size_pollfd = 8; | |
2231 | amd64_x32_linux_record_tdep.size_NFS_FHSIZE = 32; | |
2232 | amd64_x32_linux_record_tdep.size_knfsd_fh = 132; | |
2233 | amd64_x32_linux_record_tdep.size_TASK_COMM_LEN = 16; | |
2234 | amd64_x32_linux_record_tdep.size_sigaction = 20; | |
2235 | amd64_x32_linux_record_tdep.size_sigset_t = 8; | |
2236 | amd64_x32_linux_record_tdep.size_siginfo_t = 128; | |
2237 | amd64_x32_linux_record_tdep.size_cap_user_data_t = 8; | |
2238 | amd64_x32_linux_record_tdep.size_stack_t = 12; | |
2239 | amd64_x32_linux_record_tdep.size_off_t = 8; | |
2240 | amd64_x32_linux_record_tdep.size_stat64 = 144; | |
2241 | amd64_x32_linux_record_tdep.size_gid_t = 4; | |
2242 | amd64_x32_linux_record_tdep.size_uid_t = 4; | |
2243 | amd64_x32_linux_record_tdep.size_PAGE_SIZE = 4096; | |
2244 | amd64_x32_linux_record_tdep.size_flock64 = 32; | |
2245 | amd64_x32_linux_record_tdep.size_user_desc = 16; | |
2246 | amd64_x32_linux_record_tdep.size_io_event = 32; | |
2247 | amd64_x32_linux_record_tdep.size_iocb = 64; | |
2248 | amd64_x32_linux_record_tdep.size_epoll_event = 12; | |
2249 | amd64_x32_linux_record_tdep.size_itimerspec = 32; | |
2250 | amd64_x32_linux_record_tdep.size_mq_attr = 64; | |
2251 | amd64_x32_linux_record_tdep.size_termios = 36; | |
2252 | amd64_x32_linux_record_tdep.size_termios2 = 44; | |
2253 | amd64_x32_linux_record_tdep.size_pid_t = 4; | |
2254 | amd64_x32_linux_record_tdep.size_winsize = 8; | |
2255 | amd64_x32_linux_record_tdep.size_serial_struct = 72; | |
2256 | amd64_x32_linux_record_tdep.size_serial_icounter_struct = 80; | |
2257 | amd64_x32_linux_record_tdep.size_hayes_esp_config = 12; | |
2258 | amd64_x32_linux_record_tdep.size_size_t = 4; | |
2259 | amd64_x32_linux_record_tdep.size_iovec = 8; | |
2260 | amd64_x32_linux_record_tdep.size_time_t = 8; | |
2261 | ||
2262 | /* These values are the second argument of system call "sys_fcntl" | |
2263 | and "sys_fcntl64". They are obtained from Linux Kernel source. */ | |
2264 | amd64_x32_linux_record_tdep.fcntl_F_GETLK = 5; | |
2265 | amd64_x32_linux_record_tdep.fcntl_F_GETLK64 = 12; | |
2266 | amd64_x32_linux_record_tdep.fcntl_F_SETLK64 = 13; | |
2267 | amd64_x32_linux_record_tdep.fcntl_F_SETLKW64 = 14; | |
2268 | ||
2269 | amd64_x32_linux_record_tdep.arg1 = AMD64_RDI_REGNUM; | |
2270 | amd64_x32_linux_record_tdep.arg2 = AMD64_RSI_REGNUM; | |
2271 | amd64_x32_linux_record_tdep.arg3 = AMD64_RDX_REGNUM; | |
2272 | amd64_x32_linux_record_tdep.arg4 = AMD64_R10_REGNUM; | |
2273 | amd64_x32_linux_record_tdep.arg5 = AMD64_R8_REGNUM; | |
2274 | amd64_x32_linux_record_tdep.arg6 = AMD64_R9_REGNUM; | |
2275 | ||
2276 | /* These values are the second argument of system call "sys_ioctl". | |
2277 | They are obtained from Linux Kernel source. */ | |
2278 | amd64_x32_linux_record_tdep.ioctl_TCGETS = 0x5401; | |
2279 | amd64_x32_linux_record_tdep.ioctl_TCSETS = 0x5402; | |
2280 | amd64_x32_linux_record_tdep.ioctl_TCSETSW = 0x5403; | |
2281 | amd64_x32_linux_record_tdep.ioctl_TCSETSF = 0x5404; | |
2282 | amd64_x32_linux_record_tdep.ioctl_TCGETA = 0x5405; | |
2283 | amd64_x32_linux_record_tdep.ioctl_TCSETA = 0x5406; | |
2284 | amd64_x32_linux_record_tdep.ioctl_TCSETAW = 0x5407; | |
2285 | amd64_x32_linux_record_tdep.ioctl_TCSETAF = 0x5408; | |
2286 | amd64_x32_linux_record_tdep.ioctl_TCSBRK = 0x5409; | |
2287 | amd64_x32_linux_record_tdep.ioctl_TCXONC = 0x540A; | |
2288 | amd64_x32_linux_record_tdep.ioctl_TCFLSH = 0x540B; | |
2289 | amd64_x32_linux_record_tdep.ioctl_TIOCEXCL = 0x540C; | |
2290 | amd64_x32_linux_record_tdep.ioctl_TIOCNXCL = 0x540D; | |
2291 | amd64_x32_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E; | |
2292 | amd64_x32_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F; | |
2293 | amd64_x32_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410; | |
2294 | amd64_x32_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411; | |
2295 | amd64_x32_linux_record_tdep.ioctl_TIOCSTI = 0x5412; | |
2296 | amd64_x32_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413; | |
2297 | amd64_x32_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414; | |
2298 | amd64_x32_linux_record_tdep.ioctl_TIOCMGET = 0x5415; | |
2299 | amd64_x32_linux_record_tdep.ioctl_TIOCMBIS = 0x5416; | |
2300 | amd64_x32_linux_record_tdep.ioctl_TIOCMBIC = 0x5417; | |
2301 | amd64_x32_linux_record_tdep.ioctl_TIOCMSET = 0x5418; | |
2302 | amd64_x32_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419; | |
2303 | amd64_x32_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A; | |
2304 | amd64_x32_linux_record_tdep.ioctl_FIONREAD = 0x541B; | |
2305 | amd64_x32_linux_record_tdep.ioctl_TIOCINQ = amd64_x32_linux_record_tdep.ioctl_FIONREAD; | |
2306 | amd64_x32_linux_record_tdep.ioctl_TIOCLINUX = 0x541C; | |
2307 | amd64_x32_linux_record_tdep.ioctl_TIOCCONS = 0x541D; | |
2308 | amd64_x32_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E; | |
2309 | amd64_x32_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F; | |
2310 | amd64_x32_linux_record_tdep.ioctl_TIOCPKT = 0x5420; | |
2311 | amd64_x32_linux_record_tdep.ioctl_FIONBIO = 0x5421; | |
2312 | amd64_x32_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422; | |
2313 | amd64_x32_linux_record_tdep.ioctl_TIOCSETD = 0x5423; | |
2314 | amd64_x32_linux_record_tdep.ioctl_TIOCGETD = 0x5424; | |
2315 | amd64_x32_linux_record_tdep.ioctl_TCSBRKP = 0x5425; | |
2316 | amd64_x32_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426; | |
2317 | amd64_x32_linux_record_tdep.ioctl_TIOCSBRK = 0x5427; | |
2318 | amd64_x32_linux_record_tdep.ioctl_TIOCCBRK = 0x5428; | |
2319 | amd64_x32_linux_record_tdep.ioctl_TIOCGSID = 0x5429; | |
2320 | amd64_x32_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a; | |
2321 | amd64_x32_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b; | |
2322 | amd64_x32_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c; | |
2323 | amd64_x32_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d; | |
2324 | amd64_x32_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430; | |
2325 | amd64_x32_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431; | |
2326 | amd64_x32_linux_record_tdep.ioctl_FIONCLEX = 0x5450; | |
2327 | amd64_x32_linux_record_tdep.ioctl_FIOCLEX = 0x5451; | |
2328 | amd64_x32_linux_record_tdep.ioctl_FIOASYNC = 0x5452; | |
2329 | amd64_x32_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453; | |
2330 | amd64_x32_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454; | |
2331 | amd64_x32_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455; | |
2332 | amd64_x32_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456; | |
2333 | amd64_x32_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457; | |
2334 | amd64_x32_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458; | |
2335 | amd64_x32_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459; | |
2336 | amd64_x32_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A; | |
2337 | amd64_x32_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B; | |
2338 | amd64_x32_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C; | |
2339 | amd64_x32_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D; | |
2340 | amd64_x32_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E; | |
2341 | amd64_x32_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F; | |
2342 | amd64_x32_linux_record_tdep.ioctl_FIOQSIZE = 0x5460; | |
2343 | ||
2344 | tdep->i386_syscall_record = amd64_x32_linux_syscall_record; | |
2345 | ||
2346 | /* GNU/Linux uses SVR4-style shared libraries. */ | |
2347 | set_solib_svr4_ops (gdbarch, make_linux_ilp32_svr4_solib_ops); | |
2348 | } | |
2349 | ||
2350 | INIT_GDB_FILE (amd64_linux_tdep) | |
2351 | { | |
2352 | gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, | |
2353 | GDB_OSABI_LINUX, amd64_linux_init_abi); | |
2354 | gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32, | |
2355 | GDB_OSABI_LINUX, amd64_x32_linux_init_abi); | |
2356 | } |