1 /* Target-dependent code for GNU/Linux x86-64.
3 Copyright (C) 2001-2016 Free Software Foundation, Inc.
4 Contributed by Jiri Smid, SuSE Labs.
6 This file is part of GDB.
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.
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.
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/>. */
22 #include "arch-utils.h"
29 #include "reggroups.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 "x86-xstate.h"
38 #include "amd64-tdep.h"
39 #include "solib-svr4.h"
40 #include "xml-syscall.h"
41 #include "glibc-tdep.h"
43 #include "features/i386/amd64-linux.c"
44 #include "features/i386/amd64-avx-linux.c"
45 #include "features/i386/amd64-mpx-linux.c"
46 #include "features/i386/amd64-avx-mpx-linux.c"
47 #include "features/i386/amd64-avx512-linux.c"
49 #include "features/i386/x32-linux.c"
50 #include "features/i386/x32-avx-linux.c"
51 #include "features/i386/x32-avx512-linux.c"
53 /* The syscall's XML filename for i386. */
54 #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml"
56 #include "record-full.h"
57 #include "linux-record.h"
59 /* Mapping between the general-purpose registers in `struct user'
60 format and GDB's register cache layout. */
62 /* From <sys/reg.h>. */
63 int amd64_linux_gregset_reg_offset[] =
89 -1, -1, -1, -1, -1, -1, -1, -1,
90 -1, -1, -1, -1, -1, -1, -1, -1,
91 -1, -1, -1, -1, -1, -1, -1, -1,
92 -1, -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,
95 -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */
96 -1, -1, /* MPX registers BNDCFGU and BNDSTATUS. */
97 -1, -1, -1, -1, -1, -1, -1, -1, /* xmm16 ... xmm31 (AVX512) */
98 -1, -1, -1, -1, -1, -1, -1, -1,
99 -1, -1, -1, -1, -1, -1, -1, -1, /* ymm16 ... ymm31 (AVX512) */
100 -1, -1, -1, -1, -1, -1, -1, -1,
101 -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */
102 -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm31 (AVX512) */
103 -1, -1, -1, -1, -1, -1, -1, -1,
104 -1, -1, -1, -1, -1, -1, -1, -1,
105 -1, -1, -1, -1, -1, -1, -1, -1,
106 15 * 8 /* "orig_rax" */
110 /* Support for signal handlers. */
112 #define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */
113 #define LINUX_SIGTRAMP_OFFSET0 0
114 #define LINUX_SIGTRAMP_INSN1 0x0f /* syscall */
115 #define LINUX_SIGTRAMP_OFFSET1 7
117 static const gdb_byte amd64_linux_sigtramp_code[] =
119 /* mov $__NR_rt_sigreturn, %rax */
120 LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00,
122 LINUX_SIGTRAMP_INSN1, 0x05
125 static const gdb_byte amd64_x32_linux_sigtramp_code[] =
127 /* mov $__NR_rt_sigreturn, %rax. */
128 LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x01, 0x02, 0x00, 0x40,
130 LINUX_SIGTRAMP_INSN1, 0x05
133 #define LINUX_SIGTRAMP_LEN (sizeof amd64_linux_sigtramp_code)
135 /* If PC is in a sigtramp routine, return the address of the start of
136 the routine. Otherwise, return 0. */
139 amd64_linux_sigtramp_start (struct frame_info *this_frame)
141 struct gdbarch *gdbarch;
142 const gdb_byte *sigtramp_code;
143 CORE_ADDR pc = get_frame_pc (this_frame);
144 gdb_byte buf[LINUX_SIGTRAMP_LEN];
146 /* We only recognize a signal trampoline if PC is at the start of
147 one of the two instructions. We optimize for finding the PC at
148 the start, as will be the case when the trampoline is not the
149 first frame on the stack. We assume that in the case where the
150 PC is not at the start of the instruction sequence, there will be
151 a few trailing readable bytes on the stack. */
153 if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
156 if (buf[0] != LINUX_SIGTRAMP_INSN0)
158 if (buf[0] != LINUX_SIGTRAMP_INSN1)
161 pc -= LINUX_SIGTRAMP_OFFSET1;
162 if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
166 gdbarch = get_frame_arch (this_frame);
167 if (gdbarch_ptr_bit (gdbarch) == 32)
168 sigtramp_code = amd64_x32_linux_sigtramp_code;
170 sigtramp_code = amd64_linux_sigtramp_code;
171 if (memcmp (buf, sigtramp_code, LINUX_SIGTRAMP_LEN) != 0)
177 /* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp
181 amd64_linux_sigtramp_p (struct frame_info *this_frame)
183 CORE_ADDR pc = get_frame_pc (this_frame);
186 find_pc_partial_function (pc, &name, NULL, NULL);
188 /* If we have NAME, we can optimize the search. The trampoline is
189 named __restore_rt. However, it isn't dynamically exported from
190 the shared C library, so the trampoline may appear to be part of
191 the preceding function. This should always be sigaction,
192 __sigaction, or __libc_sigaction (all aliases to the same
194 if (name == NULL || strstr (name, "sigaction") != NULL)
195 return (amd64_linux_sigtramp_start (this_frame) != 0);
197 return (strcmp ("__restore_rt", name) == 0);
200 /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */
201 #define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40
203 /* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the
204 address of the associated sigcontext structure. */
207 amd64_linux_sigcontext_addr (struct frame_info *this_frame)
209 struct gdbarch *gdbarch = get_frame_arch (this_frame);
210 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
214 get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
215 sp = extract_unsigned_integer (buf, 8, byte_order);
217 /* The sigcontext structure is part of the user context. A pointer
218 to the user context is passed as the third argument to the signal
219 handler, i.e. in %rdx. Unfortunately %rdx isn't preserved across
220 function calls so we can't use it. Fortunately the user context
221 is part of the signal frame and the unwound %rsp directly points
223 return sp + AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
228 amd64_linux_get_syscall_number (struct gdbarch *gdbarch,
231 struct regcache *regcache = get_thread_regcache (ptid);
232 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
233 /* The content of a register. */
238 /* Getting the system call number from the register.
239 When dealing with x86_64 architecture, this information
240 is stored at %rax register. */
241 regcache_cooked_read (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, buf);
243 ret = extract_signed_integer (buf, 8, byte_order);
249 /* From <asm/sigcontext.h>. */
250 static int amd64_linux_sc_reg_offset[] =
269 17 * 8, /* %eflags */
271 /* FIXME: kettenis/2002030531: The registers %cs, %fs and %gs are
272 available in `struct sigcontext'. However, they only occupy two
273 bytes instead of four, which makes using them here rather
274 difficult. Leave them out for now. */
284 amd64_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
285 struct reggroup *group)
287 if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM)
288 return (group == system_reggroup
289 || group == save_reggroup
290 || group == restore_reggroup);
291 return i386_register_reggroup_p (gdbarch, regnum, group);
294 /* Set the program counter for process PTID to PC. */
297 amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
299 regcache_cooked_write_unsigned (regcache, AMD64_RIP_REGNUM, pc);
301 /* We must be careful with modifying the program counter. If we
302 just interrupted a system call, the kernel might try to restart
303 it when we resume the inferior. On restarting the system call,
304 the kernel will try backing up the program counter even though it
305 no longer points at the system call. This typically results in a
306 SIGSEGV or SIGILL. We can prevent this by writing `-1' in the
307 "orig_rax" pseudo-register.
309 Note that "orig_rax" is saved when setting up a dummy call frame.
310 This means that it is properly restored when that frame is
311 popped, and that the interrupted system call will be restarted
312 when we resume the inferior on return from a function call from
313 within GDB. In all other cases the system call will not be
315 regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1);
318 /* Record all registers but IP register for process-record. */
321 amd64_all_but_ip_registers_record (struct regcache *regcache)
323 if (record_full_arch_list_add_reg (regcache, AMD64_RAX_REGNUM))
325 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
327 if (record_full_arch_list_add_reg (regcache, AMD64_RDX_REGNUM))
329 if (record_full_arch_list_add_reg (regcache, AMD64_RBX_REGNUM))
331 if (record_full_arch_list_add_reg (regcache, AMD64_RSP_REGNUM))
333 if (record_full_arch_list_add_reg (regcache, AMD64_RBP_REGNUM))
335 if (record_full_arch_list_add_reg (regcache, AMD64_RSI_REGNUM))
337 if (record_full_arch_list_add_reg (regcache, AMD64_RDI_REGNUM))
339 if (record_full_arch_list_add_reg (regcache, AMD64_R8_REGNUM))
341 if (record_full_arch_list_add_reg (regcache, AMD64_R9_REGNUM))
343 if (record_full_arch_list_add_reg (regcache, AMD64_R10_REGNUM))
345 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
347 if (record_full_arch_list_add_reg (regcache, AMD64_R12_REGNUM))
349 if (record_full_arch_list_add_reg (regcache, AMD64_R13_REGNUM))
351 if (record_full_arch_list_add_reg (regcache, AMD64_R14_REGNUM))
353 if (record_full_arch_list_add_reg (regcache, AMD64_R15_REGNUM))
355 if (record_full_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM))
361 /* amd64_canonicalize_syscall maps from the native amd64 Linux set
362 of syscall ids into a canonical set of syscall ids used by
365 static enum gdb_syscall
366 amd64_canonicalize_syscall (enum amd64_syscall syscall_number)
368 switch (syscall_number) {
370 case amd64_x32_sys_read:
373 case amd64_sys_write:
374 case amd64_x32_sys_write:
375 return gdb_sys_write;
378 case amd64_x32_sys_open:
381 case amd64_sys_close:
382 case amd64_x32_sys_close:
383 return gdb_sys_close;
385 case amd64_sys_newstat:
386 case amd64_x32_sys_newstat:
387 return gdb_sys_newstat;
389 case amd64_sys_newfstat:
390 case amd64_x32_sys_newfstat:
391 return gdb_sys_newfstat;
393 case amd64_sys_newlstat:
394 case amd64_x32_sys_newlstat:
395 return gdb_sys_newlstat;
398 case amd64_x32_sys_poll:
401 case amd64_sys_lseek:
402 case amd64_x32_sys_lseek:
403 return gdb_sys_lseek;
406 case amd64_x32_sys_mmap:
407 return gdb_sys_mmap2;
409 case amd64_sys_mprotect:
410 case amd64_x32_sys_mprotect:
411 return gdb_sys_mprotect;
413 case amd64_sys_munmap:
414 case amd64_x32_sys_munmap:
415 return gdb_sys_munmap;
418 case amd64_x32_sys_brk:
421 case amd64_sys_rt_sigaction:
422 case amd64_x32_sys_rt_sigaction:
423 return gdb_sys_rt_sigaction;
425 case amd64_sys_rt_sigprocmask:
426 case amd64_x32_sys_rt_sigprocmask:
427 return gdb_sys_rt_sigprocmask;
429 case amd64_sys_rt_sigreturn:
430 case amd64_x32_sys_rt_sigreturn:
431 return gdb_sys_rt_sigreturn;
433 case amd64_sys_ioctl:
434 case amd64_x32_sys_ioctl:
435 return gdb_sys_ioctl;
437 case amd64_sys_pread64:
438 case amd64_x32_sys_pread64:
439 return gdb_sys_pread64;
441 case amd64_sys_pwrite64:
442 case amd64_x32_sys_pwrite64:
443 return gdb_sys_pwrite64;
445 case amd64_sys_readv:
446 case amd64_x32_sys_readv:
447 return gdb_sys_readv;
449 case amd64_sys_writev:
450 case amd64_x32_sys_writev:
451 return gdb_sys_writev;
453 case amd64_sys_access:
454 case amd64_x32_sys_access:
455 return gdb_sys_access;
458 case amd64_x32_sys_pipe:
461 case amd64_sys_select:
462 case amd64_x32_sys_select:
463 return gdb_sys_select;
465 case amd64_sys_sched_yield:
466 case amd64_x32_sys_sched_yield:
467 return gdb_sys_sched_yield;
469 case amd64_sys_mremap:
470 case amd64_x32_sys_mremap:
471 return gdb_sys_mremap;
473 case amd64_sys_msync:
474 case amd64_x32_sys_msync:
475 return gdb_sys_msync;
477 case amd64_sys_mincore:
478 case amd64_x32_sys_mincore:
479 return gdb_sys_mincore;
481 case amd64_sys_madvise:
482 case amd64_x32_sys_madvise:
483 return gdb_sys_madvise;
485 case amd64_sys_shmget:
486 case amd64_x32_sys_shmget:
487 return gdb_sys_shmget;
489 case amd64_sys_shmat:
490 case amd64_x32_sys_shmat:
491 return gdb_sys_shmat;
493 case amd64_sys_shmctl:
494 case amd64_x32_sys_shmctl:
495 return gdb_sys_shmctl;
498 case amd64_x32_sys_dup:
502 case amd64_x32_sys_dup2:
505 case amd64_sys_pause:
506 case amd64_x32_sys_pause:
507 return gdb_sys_pause;
509 case amd64_sys_nanosleep:
510 case amd64_x32_sys_nanosleep:
511 return gdb_sys_nanosleep;
513 case amd64_sys_getitimer:
514 case amd64_x32_sys_getitimer:
515 return gdb_sys_getitimer;
517 case amd64_sys_alarm:
518 case amd64_x32_sys_alarm:
519 return gdb_sys_alarm;
521 case amd64_sys_setitimer:
522 case amd64_x32_sys_setitimer:
523 return gdb_sys_setitimer;
525 case amd64_sys_getpid:
526 case amd64_x32_sys_getpid:
527 return gdb_sys_getpid;
529 case amd64_sys_sendfile64:
530 case amd64_x32_sys_sendfile64:
531 return gdb_sys_sendfile64;
533 case amd64_sys_socket:
534 case amd64_x32_sys_socket:
535 return gdb_sys_socket;
537 case amd64_sys_connect:
538 case amd64_x32_sys_connect:
539 return gdb_sys_connect;
541 case amd64_sys_accept:
542 case amd64_x32_sys_accept:
543 return gdb_sys_accept;
545 case amd64_sys_sendto:
546 case amd64_x32_sys_sendto:
547 return gdb_sys_sendto;
549 case amd64_sys_recvfrom:
550 case amd64_x32_sys_recvfrom:
551 return gdb_sys_recvfrom;
553 case amd64_sys_sendmsg:
554 case amd64_x32_sys_sendmsg:
555 return gdb_sys_sendmsg;
557 case amd64_sys_recvmsg:
558 case amd64_x32_sys_recvmsg:
559 return gdb_sys_recvmsg;
561 case amd64_sys_shutdown:
562 case amd64_x32_sys_shutdown:
563 return gdb_sys_shutdown;
566 case amd64_x32_sys_bind:
569 case amd64_sys_listen:
570 case amd64_x32_sys_listen:
571 return gdb_sys_listen;
573 case amd64_sys_getsockname:
574 case amd64_x32_sys_getsockname:
575 return gdb_sys_getsockname;
577 case amd64_sys_getpeername:
578 case amd64_x32_sys_getpeername:
579 return gdb_sys_getpeername;
581 case amd64_sys_socketpair:
582 case amd64_x32_sys_socketpair:
583 return gdb_sys_socketpair;
585 case amd64_sys_setsockopt:
586 case amd64_x32_sys_setsockopt:
587 return gdb_sys_setsockopt;
589 case amd64_sys_getsockopt:
590 case amd64_x32_sys_getsockopt:
591 return gdb_sys_getsockopt;
593 case amd64_sys_clone:
594 case amd64_x32_sys_clone:
595 return gdb_sys_clone;
598 case amd64_x32_sys_fork:
601 case amd64_sys_vfork:
602 case amd64_x32_sys_vfork:
603 return gdb_sys_vfork;
605 case amd64_sys_execve:
606 case amd64_x32_sys_execve:
607 return gdb_sys_execve;
610 case amd64_x32_sys_exit:
613 case amd64_sys_wait4:
614 case amd64_x32_sys_wait4:
615 return gdb_sys_wait4;
618 case amd64_x32_sys_kill:
621 case amd64_sys_uname:
622 case amd64_x32_sys_uname:
623 return gdb_sys_uname;
625 case amd64_sys_semget:
626 case amd64_x32_sys_semget:
627 return gdb_sys_semget;
629 case amd64_sys_semop:
630 case amd64_x32_sys_semop:
631 return gdb_sys_semop;
633 case amd64_sys_semctl:
634 case amd64_x32_sys_semctl:
635 return gdb_sys_semctl;
637 case amd64_sys_shmdt:
638 case amd64_x32_sys_shmdt:
639 return gdb_sys_shmdt;
641 case amd64_sys_msgget:
642 case amd64_x32_sys_msgget:
643 return gdb_sys_msgget;
645 case amd64_sys_msgsnd:
646 case amd64_x32_sys_msgsnd:
647 return gdb_sys_msgsnd;
649 case amd64_sys_msgrcv:
650 case amd64_x32_sys_msgrcv:
651 return gdb_sys_msgrcv;
653 case amd64_sys_msgctl:
654 case amd64_x32_sys_msgctl:
655 return gdb_sys_msgctl;
657 case amd64_sys_fcntl:
658 case amd64_x32_sys_fcntl:
659 return gdb_sys_fcntl;
661 case amd64_sys_flock:
662 case amd64_x32_sys_flock:
663 return gdb_sys_flock;
665 case amd64_sys_fsync:
666 case amd64_x32_sys_fsync:
667 return gdb_sys_fsync;
669 case amd64_sys_fdatasync:
670 case amd64_x32_sys_fdatasync:
671 return gdb_sys_fdatasync;
673 case amd64_sys_truncate:
674 case amd64_x32_sys_truncate:
675 return gdb_sys_truncate;
677 case amd64_sys_ftruncate:
678 case amd64_x32_sys_ftruncate:
679 return gdb_sys_ftruncate;
681 case amd64_sys_getdents:
682 case amd64_x32_sys_getdents:
683 return gdb_sys_getdents;
685 case amd64_sys_getcwd:
686 case amd64_x32_sys_getcwd:
687 return gdb_sys_getcwd;
689 case amd64_sys_chdir:
690 case amd64_x32_sys_chdir:
691 return gdb_sys_chdir;
693 case amd64_sys_fchdir:
694 case amd64_x32_sys_fchdir:
695 return gdb_sys_fchdir;
697 case amd64_sys_rename:
698 case amd64_x32_sys_rename:
699 return gdb_sys_rename;
701 case amd64_sys_mkdir:
702 case amd64_x32_sys_mkdir:
703 return gdb_sys_mkdir;
705 case amd64_sys_rmdir:
706 case amd64_x32_sys_rmdir:
707 return gdb_sys_rmdir;
709 case amd64_sys_creat:
710 case amd64_x32_sys_creat:
711 return gdb_sys_creat;
714 case amd64_x32_sys_link:
717 case amd64_sys_unlink:
718 case amd64_x32_sys_unlink:
719 return gdb_sys_unlink;
721 case amd64_sys_symlink:
722 case amd64_x32_sys_symlink:
723 return gdb_sys_symlink;
725 case amd64_sys_readlink:
726 case amd64_x32_sys_readlink:
727 return gdb_sys_readlink;
729 case amd64_sys_chmod:
730 case amd64_x32_sys_chmod:
731 return gdb_sys_chmod;
733 case amd64_sys_fchmod:
734 case amd64_x32_sys_fchmod:
735 return gdb_sys_fchmod;
737 case amd64_sys_chown:
738 case amd64_x32_sys_chown:
739 return gdb_sys_chown;
741 case amd64_sys_fchown:
742 case amd64_x32_sys_fchown:
743 return gdb_sys_fchown;
745 case amd64_sys_lchown:
746 case amd64_x32_sys_lchown:
747 return gdb_sys_lchown;
749 case amd64_sys_umask:
750 case amd64_x32_sys_umask:
751 return gdb_sys_umask;
753 case amd64_sys_gettimeofday:
754 case amd64_x32_sys_gettimeofday:
755 return gdb_sys_gettimeofday;
757 case amd64_sys_getrlimit:
758 case amd64_x32_sys_getrlimit:
759 return gdb_sys_getrlimit;
761 case amd64_sys_getrusage:
762 case amd64_x32_sys_getrusage:
763 return gdb_sys_getrusage;
765 case amd64_sys_sysinfo:
766 case amd64_x32_sys_sysinfo:
767 return gdb_sys_sysinfo;
769 case amd64_sys_times:
770 case amd64_x32_sys_times:
771 return gdb_sys_times;
773 case amd64_sys_ptrace:
774 case amd64_x32_sys_ptrace:
775 return gdb_sys_ptrace;
777 case amd64_sys_getuid:
778 case amd64_x32_sys_getuid:
779 return gdb_sys_getuid;
781 case amd64_sys_syslog:
782 case amd64_x32_sys_syslog:
783 return gdb_sys_syslog;
785 case amd64_sys_getgid:
786 case amd64_x32_sys_getgid:
787 return gdb_sys_getgid;
789 case amd64_sys_setuid:
790 case amd64_x32_sys_setuid:
791 return gdb_sys_setuid;
793 case amd64_sys_setgid:
794 case amd64_x32_sys_setgid:
795 return gdb_sys_setgid;
797 case amd64_sys_geteuid:
798 case amd64_x32_sys_geteuid:
799 return gdb_sys_geteuid;
801 case amd64_sys_getegid:
802 case amd64_x32_sys_getegid:
803 return gdb_sys_getegid;
805 case amd64_sys_setpgid:
806 case amd64_x32_sys_setpgid:
807 return gdb_sys_setpgid;
809 case amd64_sys_getppid:
810 case amd64_x32_sys_getppid:
811 return gdb_sys_getppid;
813 case amd64_sys_getpgrp:
814 case amd64_x32_sys_getpgrp:
815 return gdb_sys_getpgrp;
817 case amd64_sys_setsid:
818 case amd64_x32_sys_setsid:
819 return gdb_sys_setsid;
821 case amd64_sys_setreuid:
822 case amd64_x32_sys_setreuid:
823 return gdb_sys_setreuid;
825 case amd64_sys_setregid:
826 case amd64_x32_sys_setregid:
827 return gdb_sys_setregid;
829 case amd64_sys_getgroups:
830 case amd64_x32_sys_getgroups:
831 return gdb_sys_getgroups;
833 case amd64_sys_setgroups:
834 case amd64_x32_sys_setgroups:
835 return gdb_sys_setgroups;
837 case amd64_sys_setresuid:
838 case amd64_x32_sys_setresuid:
839 return gdb_sys_setresuid;
841 case amd64_sys_getresuid:
842 case amd64_x32_sys_getresuid:
843 return gdb_sys_getresuid;
845 case amd64_sys_setresgid:
846 case amd64_x32_sys_setresgid:
847 return gdb_sys_setresgid;
849 case amd64_sys_getresgid:
850 case amd64_x32_sys_getresgid:
851 return gdb_sys_getresgid;
853 case amd64_sys_getpgid:
854 case amd64_x32_sys_getpgid:
855 return gdb_sys_getpgid;
857 case amd64_sys_setfsuid:
858 case amd64_x32_sys_setfsuid:
859 return gdb_sys_setfsuid;
861 case amd64_sys_setfsgid:
862 case amd64_x32_sys_setfsgid:
863 return gdb_sys_setfsgid;
865 case amd64_sys_getsid:
866 case amd64_x32_sys_getsid:
867 return gdb_sys_getsid;
869 case amd64_sys_capget:
870 case amd64_x32_sys_capget:
871 return gdb_sys_capget;
873 case amd64_sys_capset:
874 case amd64_x32_sys_capset:
875 return gdb_sys_capset;
877 case amd64_sys_rt_sigpending:
878 case amd64_x32_sys_rt_sigpending:
879 return gdb_sys_rt_sigpending;
881 case amd64_sys_rt_sigtimedwait:
882 case amd64_x32_sys_rt_sigtimedwait:
883 return gdb_sys_rt_sigtimedwait;
885 case amd64_sys_rt_sigqueueinfo:
886 case amd64_x32_sys_rt_sigqueueinfo:
887 return gdb_sys_rt_sigqueueinfo;
889 case amd64_sys_rt_sigsuspend:
890 case amd64_x32_sys_rt_sigsuspend:
891 return gdb_sys_rt_sigsuspend;
893 case amd64_sys_sigaltstack:
894 case amd64_x32_sys_sigaltstack:
895 return gdb_sys_sigaltstack;
897 case amd64_sys_utime:
898 case amd64_x32_sys_utime:
899 return gdb_sys_utime;
901 case amd64_sys_mknod:
902 case amd64_x32_sys_mknod:
903 return gdb_sys_mknod;
905 case amd64_sys_personality:
906 case amd64_x32_sys_personality:
907 return gdb_sys_personality;
909 case amd64_sys_ustat:
910 case amd64_x32_sys_ustat:
911 return gdb_sys_ustat;
913 case amd64_sys_statfs:
914 case amd64_x32_sys_statfs:
915 return gdb_sys_statfs;
917 case amd64_sys_fstatfs:
918 case amd64_x32_sys_fstatfs:
919 return gdb_sys_fstatfs;
921 case amd64_sys_sysfs:
922 case amd64_x32_sys_sysfs:
923 return gdb_sys_sysfs;
925 case amd64_sys_getpriority:
926 case amd64_x32_sys_getpriority:
927 return gdb_sys_getpriority;
929 case amd64_sys_setpriority:
930 case amd64_x32_sys_setpriority:
931 return gdb_sys_setpriority;
933 case amd64_sys_sched_setparam:
934 case amd64_x32_sys_sched_setparam:
935 return gdb_sys_sched_setparam;
937 case amd64_sys_sched_getparam:
938 case amd64_x32_sys_sched_getparam:
939 return gdb_sys_sched_getparam;
941 case amd64_sys_sched_setscheduler:
942 case amd64_x32_sys_sched_setscheduler:
943 return gdb_sys_sched_setscheduler;
945 case amd64_sys_sched_getscheduler:
946 case amd64_x32_sys_sched_getscheduler:
947 return gdb_sys_sched_getscheduler;
949 case amd64_sys_sched_get_priority_max:
950 case amd64_x32_sys_sched_get_priority_max:
951 return gdb_sys_sched_get_priority_max;
953 case amd64_sys_sched_get_priority_min:
954 case amd64_x32_sys_sched_get_priority_min:
955 return gdb_sys_sched_get_priority_min;
957 case amd64_sys_sched_rr_get_interval:
958 case amd64_x32_sys_sched_rr_get_interval:
959 return gdb_sys_sched_rr_get_interval;
961 case amd64_sys_mlock:
962 case amd64_x32_sys_mlock:
963 return gdb_sys_mlock;
965 case amd64_sys_munlock:
966 case amd64_x32_sys_munlock:
967 return gdb_sys_munlock;
969 case amd64_sys_mlockall:
970 case amd64_x32_sys_mlockall:
971 return gdb_sys_mlockall;
973 case amd64_sys_munlockall:
974 case amd64_x32_sys_munlockall:
975 return gdb_sys_munlockall;
977 case amd64_sys_vhangup:
978 case amd64_x32_sys_vhangup:
979 return gdb_sys_vhangup;
981 case amd64_sys_modify_ldt:
982 case amd64_x32_sys_modify_ldt:
983 return gdb_sys_modify_ldt;
985 case amd64_sys_pivot_root:
986 case amd64_x32_sys_pivot_root:
987 return gdb_sys_pivot_root;
989 case amd64_sys_sysctl:
990 case amd64_x32_sys_sysctl:
991 return gdb_sys_sysctl;
993 case amd64_sys_prctl:
994 case amd64_x32_sys_prctl:
995 return gdb_sys_prctl;
997 case amd64_sys_arch_prctl:
998 case amd64_x32_sys_arch_prctl:
999 return gdb_sys_no_syscall; /* Note */
1001 case amd64_sys_adjtimex:
1002 case amd64_x32_sys_adjtimex:
1003 return gdb_sys_adjtimex;
1005 case amd64_sys_setrlimit:
1006 case amd64_x32_sys_setrlimit:
1007 return gdb_sys_setrlimit;
1009 case amd64_sys_chroot:
1010 case amd64_x32_sys_chroot:
1011 return gdb_sys_chroot;
1013 case amd64_sys_sync:
1014 case amd64_x32_sys_sync:
1015 return gdb_sys_sync;
1017 case amd64_sys_acct:
1018 case amd64_x32_sys_acct:
1019 return gdb_sys_acct;
1021 case amd64_sys_settimeofday:
1022 case amd64_x32_sys_settimeofday:
1023 return gdb_sys_settimeofday;
1025 case amd64_sys_mount:
1026 case amd64_x32_sys_mount:
1027 return gdb_sys_mount;
1029 case amd64_sys_umount:
1030 case amd64_x32_sys_umount:
1031 return gdb_sys_umount;
1033 case amd64_sys_swapon:
1034 case amd64_x32_sys_swapon:
1035 return gdb_sys_swapon;
1037 case amd64_sys_swapoff:
1038 case amd64_x32_sys_swapoff:
1039 return gdb_sys_swapoff;
1041 case amd64_sys_reboot:
1042 case amd64_x32_sys_reboot:
1043 return gdb_sys_reboot;
1045 case amd64_sys_sethostname:
1046 case amd64_x32_sys_sethostname:
1047 return gdb_sys_sethostname;
1049 case amd64_sys_setdomainname:
1050 case amd64_x32_sys_setdomainname:
1051 return gdb_sys_setdomainname;
1053 case amd64_sys_iopl:
1054 case amd64_x32_sys_iopl:
1055 return gdb_sys_iopl;
1057 case amd64_sys_ioperm:
1058 case amd64_x32_sys_ioperm:
1059 return gdb_sys_ioperm;
1061 case amd64_sys_init_module:
1062 case amd64_x32_sys_init_module:
1063 return gdb_sys_init_module;
1065 case amd64_sys_delete_module:
1066 case amd64_x32_sys_delete_module:
1067 return gdb_sys_delete_module;
1069 case amd64_sys_quotactl:
1070 case amd64_x32_sys_quotactl:
1071 return gdb_sys_quotactl;
1073 case amd64_sys_nfsservctl:
1074 return gdb_sys_nfsservctl;
1076 case amd64_sys_gettid:
1077 case amd64_x32_sys_gettid:
1078 return gdb_sys_gettid;
1080 case amd64_sys_readahead:
1081 case amd64_x32_sys_readahead:
1082 return gdb_sys_readahead;
1084 case amd64_sys_setxattr:
1085 case amd64_x32_sys_setxattr:
1086 return gdb_sys_setxattr;
1088 case amd64_sys_lsetxattr:
1089 case amd64_x32_sys_lsetxattr:
1090 return gdb_sys_lsetxattr;
1092 case amd64_sys_fsetxattr:
1093 case amd64_x32_sys_fsetxattr:
1094 return gdb_sys_fsetxattr;
1096 case amd64_sys_getxattr:
1097 case amd64_x32_sys_getxattr:
1098 return gdb_sys_getxattr;
1100 case amd64_sys_lgetxattr:
1101 case amd64_x32_sys_lgetxattr:
1102 return gdb_sys_lgetxattr;
1104 case amd64_sys_fgetxattr:
1105 case amd64_x32_sys_fgetxattr:
1106 return gdb_sys_fgetxattr;
1108 case amd64_sys_listxattr:
1109 case amd64_x32_sys_listxattr:
1110 return gdb_sys_listxattr;
1112 case amd64_sys_llistxattr:
1113 case amd64_x32_sys_llistxattr:
1114 return gdb_sys_llistxattr;
1116 case amd64_sys_flistxattr:
1117 case amd64_x32_sys_flistxattr:
1118 return gdb_sys_flistxattr;
1120 case amd64_sys_removexattr:
1121 case amd64_x32_sys_removexattr:
1122 return gdb_sys_removexattr;
1124 case amd64_sys_lremovexattr:
1125 case amd64_x32_sys_lremovexattr:
1126 return gdb_sys_lremovexattr;
1128 case amd64_sys_fremovexattr:
1129 case amd64_x32_sys_fremovexattr:
1130 return gdb_sys_fremovexattr;
1132 case amd64_sys_tkill:
1133 case amd64_x32_sys_tkill:
1134 return gdb_sys_tkill;
1136 case amd64_sys_time:
1137 case amd64_x32_sys_time:
1138 return gdb_sys_time;
1140 case amd64_sys_futex:
1141 case amd64_x32_sys_futex:
1142 return gdb_sys_futex;
1144 case amd64_sys_sched_setaffinity:
1145 case amd64_x32_sys_sched_setaffinity:
1146 return gdb_sys_sched_setaffinity;
1148 case amd64_sys_sched_getaffinity:
1149 case amd64_x32_sys_sched_getaffinity:
1150 return gdb_sys_sched_getaffinity;
1152 case amd64_sys_io_setup:
1153 case amd64_x32_sys_io_setup:
1154 return gdb_sys_io_setup;
1156 case amd64_sys_io_destroy:
1157 case amd64_x32_sys_io_destroy:
1158 return gdb_sys_io_destroy;
1160 case amd64_sys_io_getevents:
1161 case amd64_x32_sys_io_getevents:
1162 return gdb_sys_io_getevents;
1164 case amd64_sys_io_submit:
1165 case amd64_x32_sys_io_submit:
1166 return gdb_sys_io_submit;
1168 case amd64_sys_io_cancel:
1169 case amd64_x32_sys_io_cancel:
1170 return gdb_sys_io_cancel;
1172 case amd64_sys_lookup_dcookie:
1173 case amd64_x32_sys_lookup_dcookie:
1174 return gdb_sys_lookup_dcookie;
1176 case amd64_sys_epoll_create:
1177 case amd64_x32_sys_epoll_create:
1178 return gdb_sys_epoll_create;
1180 case amd64_sys_remap_file_pages:
1181 case amd64_x32_sys_remap_file_pages:
1182 return gdb_sys_remap_file_pages;
1184 case amd64_sys_getdents64:
1185 case amd64_x32_sys_getdents64:
1186 return gdb_sys_getdents64;
1188 case amd64_sys_set_tid_address:
1189 case amd64_x32_sys_set_tid_address:
1190 return gdb_sys_set_tid_address;
1192 case amd64_sys_restart_syscall:
1193 case amd64_x32_sys_restart_syscall:
1194 return gdb_sys_restart_syscall;
1196 case amd64_sys_semtimedop:
1197 case amd64_x32_sys_semtimedop:
1198 return gdb_sys_semtimedop;
1200 case amd64_sys_fadvise64:
1201 case amd64_x32_sys_fadvise64:
1202 return gdb_sys_fadvise64;
1204 case amd64_sys_timer_create:
1205 case amd64_x32_sys_timer_create:
1206 return gdb_sys_timer_create;
1208 case amd64_sys_timer_settime:
1209 case amd64_x32_sys_timer_settime:
1210 return gdb_sys_timer_settime;
1212 case amd64_sys_timer_gettime:
1213 case amd64_x32_sys_timer_gettime:
1214 return gdb_sys_timer_gettime;
1216 case amd64_sys_timer_getoverrun:
1217 case amd64_x32_sys_timer_getoverrun:
1218 return gdb_sys_timer_getoverrun;
1220 case amd64_sys_timer_delete:
1221 case amd64_x32_sys_timer_delete:
1222 return gdb_sys_timer_delete;
1224 case amd64_sys_clock_settime:
1225 case amd64_x32_sys_clock_settime:
1226 return gdb_sys_clock_settime;
1228 case amd64_sys_clock_gettime:
1229 case amd64_x32_sys_clock_gettime:
1230 return gdb_sys_clock_gettime;
1232 case amd64_sys_clock_getres:
1233 case amd64_x32_sys_clock_getres:
1234 return gdb_sys_clock_getres;
1236 case amd64_sys_clock_nanosleep:
1237 case amd64_x32_sys_clock_nanosleep:
1238 return gdb_sys_clock_nanosleep;
1240 case amd64_sys_exit_group:
1241 case amd64_x32_sys_exit_group:
1242 return gdb_sys_exit_group;
1244 case amd64_sys_epoll_wait:
1245 case amd64_x32_sys_epoll_wait:
1246 return gdb_sys_epoll_wait;
1248 case amd64_sys_epoll_ctl:
1249 case amd64_x32_sys_epoll_ctl:
1250 return gdb_sys_epoll_ctl;
1252 case amd64_sys_tgkill:
1253 case amd64_x32_sys_tgkill:
1254 return gdb_sys_tgkill;
1256 case amd64_sys_utimes:
1257 case amd64_x32_sys_utimes:
1258 return gdb_sys_utimes;
1260 case amd64_sys_mbind:
1261 case amd64_x32_sys_mbind:
1262 return gdb_sys_mbind;
1264 case amd64_sys_set_mempolicy:
1265 case amd64_x32_sys_set_mempolicy:
1266 return gdb_sys_set_mempolicy;
1268 case amd64_sys_get_mempolicy:
1269 case amd64_x32_sys_get_mempolicy:
1270 return gdb_sys_get_mempolicy;
1272 case amd64_sys_mq_open:
1273 case amd64_x32_sys_mq_open:
1274 return gdb_sys_mq_open;
1276 case amd64_sys_mq_unlink:
1277 case amd64_x32_sys_mq_unlink:
1278 return gdb_sys_mq_unlink;
1280 case amd64_sys_mq_timedsend:
1281 case amd64_x32_sys_mq_timedsend:
1282 return gdb_sys_mq_timedsend;
1284 case amd64_sys_mq_timedreceive:
1285 case amd64_x32_sys_mq_timedreceive:
1286 return gdb_sys_mq_timedreceive;
1288 case amd64_sys_mq_notify:
1289 case amd64_x32_sys_mq_notify:
1290 return gdb_sys_mq_notify;
1292 case amd64_sys_mq_getsetattr:
1293 case amd64_x32_sys_mq_getsetattr:
1294 return gdb_sys_mq_getsetattr;
1296 case amd64_sys_kexec_load:
1297 case amd64_x32_sys_kexec_load:
1298 return gdb_sys_kexec_load;
1300 case amd64_sys_waitid:
1301 case amd64_x32_sys_waitid:
1302 return gdb_sys_waitid;
1304 case amd64_sys_add_key:
1305 case amd64_x32_sys_add_key:
1306 return gdb_sys_add_key;
1308 case amd64_sys_request_key:
1309 case amd64_x32_sys_request_key:
1310 return gdb_sys_request_key;
1312 case amd64_sys_keyctl:
1313 case amd64_x32_sys_keyctl:
1314 return gdb_sys_keyctl;
1316 case amd64_sys_ioprio_set:
1317 case amd64_x32_sys_ioprio_set:
1318 return gdb_sys_ioprio_set;
1320 case amd64_sys_ioprio_get:
1321 case amd64_x32_sys_ioprio_get:
1322 return gdb_sys_ioprio_get;
1324 case amd64_sys_inotify_init:
1325 case amd64_x32_sys_inotify_init:
1326 return gdb_sys_inotify_init;
1328 case amd64_sys_inotify_add_watch:
1329 case amd64_x32_sys_inotify_add_watch:
1330 return gdb_sys_inotify_add_watch;
1332 case amd64_sys_inotify_rm_watch:
1333 case amd64_x32_sys_inotify_rm_watch:
1334 return gdb_sys_inotify_rm_watch;
1336 case amd64_sys_migrate_pages:
1337 case amd64_x32_sys_migrate_pages:
1338 return gdb_sys_migrate_pages;
1340 case amd64_sys_openat:
1341 case amd64_x32_sys_openat:
1342 return gdb_sys_openat;
1344 case amd64_sys_mkdirat:
1345 case amd64_x32_sys_mkdirat:
1346 return gdb_sys_mkdirat;
1348 case amd64_sys_mknodat:
1349 case amd64_x32_sys_mknodat:
1350 return gdb_sys_mknodat;
1352 case amd64_sys_fchownat:
1353 case amd64_x32_sys_fchownat:
1354 return gdb_sys_fchownat;
1356 case amd64_sys_futimesat:
1357 case amd64_x32_sys_futimesat:
1358 return gdb_sys_futimesat;
1360 case amd64_sys_newfstatat:
1361 case amd64_x32_sys_newfstatat:
1362 return gdb_sys_newfstatat;
1364 case amd64_sys_unlinkat:
1365 case amd64_x32_sys_unlinkat:
1366 return gdb_sys_unlinkat;
1368 case amd64_sys_renameat:
1369 case amd64_x32_sys_renameat:
1370 return gdb_sys_renameat;
1372 case amd64_sys_linkat:
1373 case amd64_x32_sys_linkat:
1374 return gdb_sys_linkat;
1376 case amd64_sys_symlinkat:
1377 case amd64_x32_sys_symlinkat:
1378 return gdb_sys_symlinkat;
1380 case amd64_sys_readlinkat:
1381 case amd64_x32_sys_readlinkat:
1382 return gdb_sys_readlinkat;
1384 case amd64_sys_fchmodat:
1385 case amd64_x32_sys_fchmodat:
1386 return gdb_sys_fchmodat;
1388 case amd64_sys_faccessat:
1389 case amd64_x32_sys_faccessat:
1390 return gdb_sys_faccessat;
1392 case amd64_sys_pselect6:
1393 case amd64_x32_sys_pselect6:
1394 return gdb_sys_pselect6;
1396 case amd64_sys_ppoll:
1397 case amd64_x32_sys_ppoll:
1398 return gdb_sys_ppoll;
1400 case amd64_sys_unshare:
1401 case amd64_x32_sys_unshare:
1402 return gdb_sys_unshare;
1404 case amd64_sys_set_robust_list:
1405 case amd64_x32_sys_set_robust_list:
1406 return gdb_sys_set_robust_list;
1408 case amd64_sys_get_robust_list:
1409 case amd64_x32_sys_get_robust_list:
1410 return gdb_sys_get_robust_list;
1412 case amd64_sys_splice:
1413 case amd64_x32_sys_splice:
1414 return gdb_sys_splice;
1417 case amd64_x32_sys_tee:
1420 case amd64_sys_sync_file_range:
1421 case amd64_x32_sys_sync_file_range:
1422 return gdb_sys_sync_file_range;
1424 case amd64_sys_vmsplice:
1425 case amd64_x32_sys_vmsplice:
1426 return gdb_sys_vmsplice;
1428 case amd64_sys_move_pages:
1429 case amd64_x32_sys_move_pages:
1430 return gdb_sys_move_pages;
1433 return gdb_sys_no_syscall;
1437 /* Parse the arguments of current system call instruction and record
1438 the values of the registers and memory that will be changed into
1439 "record_full_arch_list". This instruction is "syscall".
1441 Return -1 if something wrong. */
1443 static struct linux_record_tdep amd64_linux_record_tdep;
1444 static struct linux_record_tdep amd64_x32_linux_record_tdep;
1446 #define RECORD_ARCH_GET_FS 0x1003
1447 #define RECORD_ARCH_GET_GS 0x1004
1450 amd64_linux_syscall_record_common (struct regcache *regcache,
1451 struct linux_record_tdep *linux_record_tdep_p)
1454 ULONGEST syscall_native;
1455 enum gdb_syscall syscall_gdb = gdb_sys_no_syscall;
1457 regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native);
1459 switch (syscall_native)
1461 case amd64_sys_rt_sigreturn:
1462 case amd64_x32_sys_rt_sigreturn:
1463 if (amd64_all_but_ip_registers_record (regcache))
1468 case amd64_sys_arch_prctl:
1469 case amd64_x32_sys_arch_prctl:
1472 regcache_raw_read_unsigned (regcache, linux_record_tdep_p->arg3,
1474 if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS)
1478 regcache_raw_read_unsigned (regcache,
1479 linux_record_tdep_p->arg2,
1481 if (record_full_arch_list_add_mem
1482 (addr, linux_record_tdep_p->size_ulong))
1491 = amd64_canonicalize_syscall ((enum amd64_syscall) syscall_native);
1493 if (syscall_gdb == gdb_sys_no_syscall)
1495 printf_unfiltered (_("Process record and replay target doesn't "
1496 "support syscall number %s\n"),
1497 pulongest (syscall_native));
1502 ret = record_linux_system_call (syscall_gdb, regcache,
1503 linux_record_tdep_p);
1509 /* Record the return value of the system call. */
1510 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
1512 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
1519 amd64_linux_syscall_record (struct regcache *regcache)
1521 return amd64_linux_syscall_record_common (regcache,
1522 &amd64_linux_record_tdep);
1526 amd64_x32_linux_syscall_record (struct regcache *regcache)
1528 return amd64_linux_syscall_record_common (regcache,
1529 &amd64_x32_linux_record_tdep);
1532 #define AMD64_LINUX_redzone 128
1533 #define AMD64_LINUX_xstate 512
1534 #define AMD64_LINUX_frame_size 560
1537 amd64_linux_record_signal (struct gdbarch *gdbarch,
1538 struct regcache *regcache,
1539 enum gdb_signal signal)
1543 if (amd64_all_but_ip_registers_record (regcache))
1546 if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM))
1549 /* Record the change in the stack. */
1550 regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp);
1553 rsp -= AMD64_LINUX_redzone;
1554 /* This is for xstate.
1555 sp -= sizeof (struct _fpstate); */
1556 rsp -= AMD64_LINUX_xstate;
1557 /* This is for frame_size.
1558 sp -= sizeof (struct rt_sigframe); */
1559 rsp -= AMD64_LINUX_frame_size;
1560 if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone
1561 + AMD64_LINUX_xstate
1562 + AMD64_LINUX_frame_size))
1565 if (record_full_arch_list_add_end ())
1571 /* Get Linux/x86 target description from core dump. */
1573 static const struct target_desc *
1574 amd64_linux_core_read_description (struct gdbarch *gdbarch,
1575 struct target_ops *target,
1579 uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
1581 switch (xcr0 & X86_XSTATE_ALL_MASK)
1583 case X86_XSTATE_MPX_AVX512_MASK:
1584 case X86_XSTATE_AVX512_MASK:
1585 if (gdbarch_ptr_bit (gdbarch) == 32)
1586 return tdesc_x32_avx512_linux;
1588 return tdesc_amd64_avx512_linux;
1589 case X86_XSTATE_MPX_MASK:
1590 if (gdbarch_ptr_bit (gdbarch) == 32)
1591 return tdesc_x32_avx_linux; /* No x32 MPX falling back to AVX. */
1593 return tdesc_amd64_mpx_linux;
1594 case X86_XSTATE_AVX_MPX_MASK:
1595 if (gdbarch_ptr_bit (gdbarch) == 32)
1596 return tdesc_x32_avx_linux; /* No x32 MPX falling back to AVX. */
1598 return tdesc_amd64_avx_mpx_linux;
1599 case X86_XSTATE_AVX_MASK:
1600 if (gdbarch_ptr_bit (gdbarch) == 32)
1601 return tdesc_x32_avx_linux;
1603 return tdesc_amd64_avx_linux;
1605 if (gdbarch_ptr_bit (gdbarch) == 32)
1606 return tdesc_x32_linux;
1608 return tdesc_amd64_linux;
1612 /* Similar to amd64_supply_fpregset, but use XSAVE extended state. */
1615 amd64_linux_supply_xstateregset (const struct regset *regset,
1616 struct regcache *regcache, int regnum,
1617 const void *xstateregs, size_t len)
1619 amd64_supply_xsave (regcache, regnum, xstateregs);
1622 /* Similar to amd64_collect_fpregset, but use XSAVE extended state. */
1625 amd64_linux_collect_xstateregset (const struct regset *regset,
1626 const struct regcache *regcache,
1627 int regnum, void *xstateregs, size_t len)
1629 amd64_collect_xsave (regcache, regnum, xstateregs, 1);
1632 static const struct regset amd64_linux_xstateregset =
1635 amd64_linux_supply_xstateregset,
1636 amd64_linux_collect_xstateregset
1639 /* Iterate over core file register note sections. */
1642 amd64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
1643 iterate_over_regset_sections_cb *cb,
1645 const struct regcache *regcache)
1647 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1649 cb (".reg", 27 * 8, &i386_gregset, NULL, cb_data);
1650 cb (".reg2", 512, &amd64_fpregset, NULL, cb_data);
1651 cb (".reg-xstate", X86_XSTATE_SIZE (tdep->xcr0),
1652 &amd64_linux_xstateregset, "XSAVE extended state", cb_data);
1655 /* The instruction sequences used in x86_64 machines for a
1656 disabled is-enabled probe. */
1658 const gdb_byte amd64_dtrace_disabled_probe_sequence_1[] = {
1659 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1664 const gdb_byte amd64_dtrace_disabled_probe_sequence_2[] = {
1665 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1670 /* The instruction sequence used in x86_64 machines for enabling a
1671 DTrace is-enabled probe. */
1673 const gdb_byte amd64_dtrace_enable_probe_sequence[] = {
1674 /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00
1677 /* The instruction sequence used in x86_64 machines for disabling a
1678 DTrace is-enabled probe. */
1680 const gdb_byte amd64_dtrace_disable_probe_sequence[] = {
1681 /* xor %rax, %rax; nop; nop */ 0x48, 0x33, 0xC0, 0x90, 0x90
1684 /* Implementation of `gdbarch_dtrace_probe_is_enabled', as defined in
1688 amd64_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr)
1692 /* This function returns 1 if the instructions at ADDR do _not_
1693 follow any of the amd64_dtrace_disabled_probe_sequence_*
1696 Note that ADDR is offset 3 bytes from the beginning of these
1699 read_code (addr - 3, buf, 5);
1700 return (memcmp (buf, amd64_dtrace_disabled_probe_sequence_1, 5) != 0
1701 && memcmp (buf, amd64_dtrace_disabled_probe_sequence_2, 5) != 0);
1704 /* Implementation of `gdbarch_dtrace_enable_probe', as defined in
1708 amd64_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1710 /* Note also that ADDR is offset 3 bytes from the beginning of
1711 amd64_dtrace_enable_probe_sequence. */
1713 write_memory (addr - 3, amd64_dtrace_enable_probe_sequence, 5);
1716 /* Implementation of `gdbarch_dtrace_disable_probe', as defined in
1720 amd64_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1722 /* Note also that ADDR is offset 3 bytes from the beginning of
1723 amd64_dtrace_disable_probe_sequence. */
1725 write_memory (addr - 3, amd64_dtrace_disable_probe_sequence, 5);
1728 /* Implementation of `gdbarch_dtrace_parse_probe_argument', as defined
1732 amd64_dtrace_parse_probe_argument (struct gdbarch *gdbarch,
1733 struct parser_state *pstate,
1738 /* DTrace probe arguments can be found on the ABI-defined places for
1739 regular arguments at the current PC. The probe abstraction
1740 currently supports up to 12 arguments for probes. */
1744 static const int arg_reg_map[6] =
1746 AMD64_RDI_REGNUM, /* Arg 1. */
1747 AMD64_RSI_REGNUM, /* Arg 2. */
1748 AMD64_RDX_REGNUM, /* Arg 3. */
1749 AMD64_RCX_REGNUM, /* Arg 4. */
1750 AMD64_R8_REGNUM, /* Arg 5. */
1751 AMD64_R9_REGNUM /* Arg 6. */
1753 int regno = arg_reg_map[narg];
1754 const char *regname = user_reg_map_regnum_to_name (gdbarch, regno);
1756 write_exp_elt_opcode (pstate, OP_REGISTER);
1758 str.length = strlen (regname);
1759 write_exp_string (pstate, str);
1760 write_exp_elt_opcode (pstate, OP_REGISTER);
1764 /* Additional arguments are passed on the stack. */
1765 const char *regname = user_reg_map_regnum_to_name (gdbarch, AMD64_RSP_REGNUM);
1768 write_exp_elt_opcode (pstate, OP_LONG);
1769 write_exp_elt_type (pstate, builtin_type (gdbarch)->builtin_long);
1770 write_exp_elt_longcst (pstate, narg - 6);
1771 write_exp_elt_opcode (pstate, OP_LONG);
1774 write_exp_elt_opcode (pstate, OP_REGISTER);
1776 str.length = strlen (regname);
1777 write_exp_string (pstate, str);
1778 write_exp_elt_opcode (pstate, OP_REGISTER);
1780 write_exp_elt_opcode (pstate, BINOP_ADD);
1783 write_exp_elt_opcode (pstate, UNOP_CAST);
1784 write_exp_elt_type (pstate,
1785 lookup_pointer_type (builtin_type (gdbarch)->builtin_long));
1786 write_exp_elt_opcode (pstate, UNOP_CAST);
1788 write_exp_elt_opcode (pstate, UNOP_IND);
1793 amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch)
1795 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1797 linux_init_abi (info, gdbarch);
1799 tdep->sigtramp_p = amd64_linux_sigtramp_p;
1800 tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
1801 tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
1802 tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);
1804 tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET;
1806 /* Add the %orig_rax register used for syscall restarting. */
1807 set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc);
1809 tdep->register_reggroup_p = amd64_linux_register_reggroup_p;
1811 /* Functions for 'catch syscall'. */
1812 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64);
1813 set_gdbarch_get_syscall_number (gdbarch,
1814 amd64_linux_get_syscall_number);
1816 /* Enable TLS support. */
1817 set_gdbarch_fetch_tls_load_module_address (gdbarch,
1818 svr4_fetch_objfile_link_map);
1820 /* GNU/Linux uses SVR4-style shared libraries. */
1821 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
1823 /* GNU/Linux uses the dynamic linker included in the GNU C Library. */
1824 set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
1826 /* Iterate over core file register note sections. */
1827 set_gdbarch_iterate_over_regset_sections
1828 (gdbarch, amd64_linux_iterate_over_regset_sections);
1830 set_gdbarch_core_read_description (gdbarch,
1831 amd64_linux_core_read_description);
1833 /* Displaced stepping. */
1834 set_gdbarch_displaced_step_copy_insn (gdbarch,
1835 amd64_displaced_step_copy_insn);
1836 set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup);
1837 set_gdbarch_displaced_step_free_closure (gdbarch,
1838 simple_displaced_step_free_closure);
1839 set_gdbarch_displaced_step_location (gdbarch,
1840 linux_displaced_step_location);
1842 set_gdbarch_process_record (gdbarch, i386_process_record);
1843 set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
1845 set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type);
1846 set_gdbarch_handle_segmentation_fault (gdbarch,
1847 i386_linux_handle_segmentation_fault);
1851 amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
1853 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1854 const struct target_desc *tdesc = info.target_desc;
1855 struct tdesc_arch_data *tdesc_data
1856 = (struct tdesc_arch_data *) info.tdep_info;
1857 const struct tdesc_feature *feature;
1860 gdb_assert (tdesc_data);
1862 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
1863 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
1864 tdep->sizeof_gregset = 27 * 8;
1866 amd64_init_abi (info, gdbarch);
1868 /* Reserve a number for orig_rax. */
1869 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
1871 if (! tdesc_has_registers (tdesc))
1872 tdesc = tdesc_amd64_linux;
1873 tdep->tdesc = tdesc;
1875 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
1876 if (feature == NULL)
1879 valid_p = tdesc_numbered_register (feature, tdesc_data,
1880 AMD64_LINUX_ORIG_RAX_REGNUM,
1885 amd64_linux_init_abi_common (info, gdbarch);
1887 /* Initialize the amd64_linux_record_tdep. */
1888 /* These values are the size of the type that will be used in a system
1889 call. They are obtained from Linux Kernel source. */
1890 amd64_linux_record_tdep.size_pointer
1891 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
1892 amd64_linux_record_tdep.size__old_kernel_stat = 32;
1893 amd64_linux_record_tdep.size_tms = 32;
1894 amd64_linux_record_tdep.size_loff_t = 8;
1895 amd64_linux_record_tdep.size_flock = 32;
1896 amd64_linux_record_tdep.size_oldold_utsname = 45;
1897 amd64_linux_record_tdep.size_ustat = 32;
1898 /* ADM64 doesn't need this size because it doesn't have sys_sigaction
1899 but sys_rt_sigaction. */
1900 amd64_linux_record_tdep.size_old_sigaction = 32;
1901 /* ADM64 doesn't need this size because it doesn't have sys_sigpending
1902 but sys_rt_sigpending. */
1903 amd64_linux_record_tdep.size_old_sigset_t = 8;
1904 amd64_linux_record_tdep.size_rlimit = 16;
1905 amd64_linux_record_tdep.size_rusage = 144;
1906 amd64_linux_record_tdep.size_timeval = 16;
1907 amd64_linux_record_tdep.size_timezone = 8;
1908 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
1909 but sys_getgroups. */
1910 amd64_linux_record_tdep.size_old_gid_t = 2;
1911 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
1912 but sys_getresuid. */
1913 amd64_linux_record_tdep.size_old_uid_t = 2;
1914 amd64_linux_record_tdep.size_fd_set = 128;
1915 /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
1916 amd64_linux_record_tdep.size_old_dirent = 280;
1917 amd64_linux_record_tdep.size_statfs = 120;
1918 amd64_linux_record_tdep.size_statfs64 = 120;
1919 amd64_linux_record_tdep.size_sockaddr = 16;
1920 amd64_linux_record_tdep.size_int
1921 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
1922 amd64_linux_record_tdep.size_long
1923 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1924 amd64_linux_record_tdep.size_ulong
1925 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1926 amd64_linux_record_tdep.size_msghdr = 56;
1927 amd64_linux_record_tdep.size_itimerval = 32;
1928 amd64_linux_record_tdep.size_stat = 144;
1929 amd64_linux_record_tdep.size_old_utsname = 325;
1930 amd64_linux_record_tdep.size_sysinfo = 112;
1931 amd64_linux_record_tdep.size_msqid_ds = 120;
1932 amd64_linux_record_tdep.size_shmid_ds = 112;
1933 amd64_linux_record_tdep.size_new_utsname = 390;
1934 amd64_linux_record_tdep.size_timex = 208;
1935 amd64_linux_record_tdep.size_mem_dqinfo = 24;
1936 amd64_linux_record_tdep.size_if_dqblk = 72;
1937 amd64_linux_record_tdep.size_fs_quota_stat = 80;
1938 amd64_linux_record_tdep.size_timespec = 16;
1939 amd64_linux_record_tdep.size_pollfd = 8;
1940 amd64_linux_record_tdep.size_NFS_FHSIZE = 32;
1941 amd64_linux_record_tdep.size_knfsd_fh = 132;
1942 amd64_linux_record_tdep.size_TASK_COMM_LEN = 16;
1943 amd64_linux_record_tdep.size_sigaction = 32;
1944 amd64_linux_record_tdep.size_sigset_t = 8;
1945 amd64_linux_record_tdep.size_siginfo_t = 128;
1946 amd64_linux_record_tdep.size_cap_user_data_t = 8;
1947 amd64_linux_record_tdep.size_stack_t = 24;
1948 amd64_linux_record_tdep.size_off_t = 8;
1949 amd64_linux_record_tdep.size_stat64 = 144;
1950 amd64_linux_record_tdep.size_gid_t = 4;
1951 amd64_linux_record_tdep.size_uid_t = 4;
1952 amd64_linux_record_tdep.size_PAGE_SIZE = 4096;
1953 amd64_linux_record_tdep.size_flock64 = 32;
1954 amd64_linux_record_tdep.size_user_desc = 16;
1955 amd64_linux_record_tdep.size_io_event = 32;
1956 amd64_linux_record_tdep.size_iocb = 64;
1957 amd64_linux_record_tdep.size_epoll_event = 12;
1958 amd64_linux_record_tdep.size_itimerspec = 32;
1959 amd64_linux_record_tdep.size_mq_attr = 64;
1960 amd64_linux_record_tdep.size_termios = 36;
1961 amd64_linux_record_tdep.size_termios2 = 44;
1962 amd64_linux_record_tdep.size_pid_t = 4;
1963 amd64_linux_record_tdep.size_winsize = 8;
1964 amd64_linux_record_tdep.size_serial_struct = 72;
1965 amd64_linux_record_tdep.size_serial_icounter_struct = 80;
1966 amd64_linux_record_tdep.size_hayes_esp_config = 12;
1967 amd64_linux_record_tdep.size_size_t = 8;
1968 amd64_linux_record_tdep.size_iovec = 16;
1969 amd64_linux_record_tdep.size_time_t = 8;
1971 /* These values are the second argument of system call "sys_fcntl"
1972 and "sys_fcntl64". They are obtained from Linux Kernel source. */
1973 amd64_linux_record_tdep.fcntl_F_GETLK = 5;
1974 amd64_linux_record_tdep.fcntl_F_GETLK64 = 12;
1975 amd64_linux_record_tdep.fcntl_F_SETLK64 = 13;
1976 amd64_linux_record_tdep.fcntl_F_SETLKW64 = 14;
1978 amd64_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
1979 amd64_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
1980 amd64_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
1981 amd64_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
1982 amd64_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
1983 amd64_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
1985 /* These values are the second argument of system call "sys_ioctl".
1986 They are obtained from Linux Kernel source. */
1987 amd64_linux_record_tdep.ioctl_TCGETS = 0x5401;
1988 amd64_linux_record_tdep.ioctl_TCSETS = 0x5402;
1989 amd64_linux_record_tdep.ioctl_TCSETSW = 0x5403;
1990 amd64_linux_record_tdep.ioctl_TCSETSF = 0x5404;
1991 amd64_linux_record_tdep.ioctl_TCGETA = 0x5405;
1992 amd64_linux_record_tdep.ioctl_TCSETA = 0x5406;
1993 amd64_linux_record_tdep.ioctl_TCSETAW = 0x5407;
1994 amd64_linux_record_tdep.ioctl_TCSETAF = 0x5408;
1995 amd64_linux_record_tdep.ioctl_TCSBRK = 0x5409;
1996 amd64_linux_record_tdep.ioctl_TCXONC = 0x540A;
1997 amd64_linux_record_tdep.ioctl_TCFLSH = 0x540B;
1998 amd64_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
1999 amd64_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
2000 amd64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
2001 amd64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
2002 amd64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
2003 amd64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
2004 amd64_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
2005 amd64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
2006 amd64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
2007 amd64_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
2008 amd64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
2009 amd64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
2010 amd64_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
2011 amd64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
2012 amd64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
2013 amd64_linux_record_tdep.ioctl_FIONREAD = 0x541B;
2014 amd64_linux_record_tdep.ioctl_TIOCINQ
2015 = amd64_linux_record_tdep.ioctl_FIONREAD;
2016 amd64_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
2017 amd64_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
2018 amd64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
2019 amd64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
2020 amd64_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
2021 amd64_linux_record_tdep.ioctl_FIONBIO = 0x5421;
2022 amd64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
2023 amd64_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
2024 amd64_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
2025 amd64_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
2026 amd64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
2027 amd64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
2028 amd64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
2029 amd64_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
2030 amd64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
2031 amd64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
2032 amd64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
2033 amd64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
2034 amd64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
2035 amd64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
2036 amd64_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
2037 amd64_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
2038 amd64_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
2039 amd64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
2040 amd64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
2041 amd64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
2042 amd64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
2043 amd64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
2044 amd64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
2045 amd64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
2046 amd64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
2047 amd64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
2048 amd64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
2049 amd64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
2050 amd64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
2051 amd64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
2052 amd64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
2054 tdep->i386_syscall_record = amd64_linux_syscall_record;
2056 /* GNU/Linux uses SVR4-style shared libraries. */
2057 set_solib_svr4_fetch_link_map_offsets
2058 (gdbarch, svr4_lp64_fetch_link_map_offsets);
2060 /* Register DTrace handlers. */
2061 set_gdbarch_dtrace_parse_probe_argument (gdbarch, amd64_dtrace_parse_probe_argument);
2062 set_gdbarch_dtrace_probe_is_enabled (gdbarch, amd64_dtrace_probe_is_enabled);
2063 set_gdbarch_dtrace_enable_probe (gdbarch, amd64_dtrace_enable_probe);
2064 set_gdbarch_dtrace_disable_probe (gdbarch, amd64_dtrace_disable_probe);
2068 amd64_x32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
2070 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2071 const struct target_desc *tdesc = info.target_desc;
2072 struct tdesc_arch_data *tdesc_data
2073 = (struct tdesc_arch_data *) info.tdep_info;
2074 const struct tdesc_feature *feature;
2077 gdb_assert (tdesc_data);
2079 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
2080 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
2081 tdep->sizeof_gregset = 27 * 8;
2083 amd64_x32_init_abi (info, gdbarch);
2085 /* Reserve a number for orig_rax. */
2086 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
2088 if (! tdesc_has_registers (tdesc))
2089 tdesc = tdesc_x32_linux;
2090 tdep->tdesc = tdesc;
2092 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
2093 if (feature == NULL)
2096 valid_p = tdesc_numbered_register (feature, tdesc_data,
2097 AMD64_LINUX_ORIG_RAX_REGNUM,
2102 amd64_linux_init_abi_common (info, gdbarch);
2104 /* Initialize the amd64_x32_linux_record_tdep. */
2105 /* These values are the size of the type that will be used in a system
2106 call. They are obtained from Linux Kernel source. */
2107 amd64_x32_linux_record_tdep.size_pointer
2108 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
2109 amd64_x32_linux_record_tdep.size__old_kernel_stat = 32;
2110 amd64_x32_linux_record_tdep.size_tms = 32;
2111 amd64_x32_linux_record_tdep.size_loff_t = 8;
2112 amd64_x32_linux_record_tdep.size_flock = 32;
2113 amd64_x32_linux_record_tdep.size_oldold_utsname = 45;
2114 amd64_x32_linux_record_tdep.size_ustat = 32;
2115 /* ADM64 doesn't need this size because it doesn't have sys_sigaction
2116 but sys_rt_sigaction. */
2117 amd64_x32_linux_record_tdep.size_old_sigaction = 16;
2118 /* ADM64 doesn't need this size because it doesn't have sys_sigpending
2119 but sys_rt_sigpending. */
2120 amd64_x32_linux_record_tdep.size_old_sigset_t = 4;
2121 amd64_x32_linux_record_tdep.size_rlimit = 16;
2122 amd64_x32_linux_record_tdep.size_rusage = 144;
2123 amd64_x32_linux_record_tdep.size_timeval = 16;
2124 amd64_x32_linux_record_tdep.size_timezone = 8;
2125 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
2126 but sys_getgroups. */
2127 amd64_x32_linux_record_tdep.size_old_gid_t = 2;
2128 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
2129 but sys_getresuid. */
2130 amd64_x32_linux_record_tdep.size_old_uid_t = 2;
2131 amd64_x32_linux_record_tdep.size_fd_set = 128;
2132 /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
2133 amd64_x32_linux_record_tdep.size_old_dirent = 268;
2134 amd64_x32_linux_record_tdep.size_statfs = 120;
2135 amd64_x32_linux_record_tdep.size_statfs64 = 120;
2136 amd64_x32_linux_record_tdep.size_sockaddr = 16;
2137 amd64_x32_linux_record_tdep.size_int
2138 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
2139 amd64_x32_linux_record_tdep.size_long
2140 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2141 amd64_x32_linux_record_tdep.size_ulong
2142 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2143 amd64_x32_linux_record_tdep.size_msghdr = 28;
2144 amd64_x32_linux_record_tdep.size_itimerval = 32;
2145 amd64_x32_linux_record_tdep.size_stat = 144;
2146 amd64_x32_linux_record_tdep.size_old_utsname = 325;
2147 amd64_x32_linux_record_tdep.size_sysinfo = 112;
2148 amd64_x32_linux_record_tdep.size_msqid_ds = 120;
2149 amd64_x32_linux_record_tdep.size_shmid_ds = 112;
2150 amd64_x32_linux_record_tdep.size_new_utsname = 390;
2151 amd64_x32_linux_record_tdep.size_timex = 208;
2152 amd64_x32_linux_record_tdep.size_mem_dqinfo = 24;
2153 amd64_x32_linux_record_tdep.size_if_dqblk = 72;
2154 amd64_x32_linux_record_tdep.size_fs_quota_stat = 80;
2155 amd64_x32_linux_record_tdep.size_timespec = 16;
2156 amd64_x32_linux_record_tdep.size_pollfd = 8;
2157 amd64_x32_linux_record_tdep.size_NFS_FHSIZE = 32;
2158 amd64_x32_linux_record_tdep.size_knfsd_fh = 132;
2159 amd64_x32_linux_record_tdep.size_TASK_COMM_LEN = 16;
2160 amd64_x32_linux_record_tdep.size_sigaction = 20;
2161 amd64_x32_linux_record_tdep.size_sigset_t = 8;
2162 amd64_x32_linux_record_tdep.size_siginfo_t = 128;
2163 amd64_x32_linux_record_tdep.size_cap_user_data_t = 8;
2164 amd64_x32_linux_record_tdep.size_stack_t = 12;
2165 amd64_x32_linux_record_tdep.size_off_t = 8;
2166 amd64_x32_linux_record_tdep.size_stat64 = 144;
2167 amd64_x32_linux_record_tdep.size_gid_t = 4;
2168 amd64_x32_linux_record_tdep.size_uid_t = 4;
2169 amd64_x32_linux_record_tdep.size_PAGE_SIZE = 4096;
2170 amd64_x32_linux_record_tdep.size_flock64 = 32;
2171 amd64_x32_linux_record_tdep.size_user_desc = 16;
2172 amd64_x32_linux_record_tdep.size_io_event = 32;
2173 amd64_x32_linux_record_tdep.size_iocb = 64;
2174 amd64_x32_linux_record_tdep.size_epoll_event = 12;
2175 amd64_x32_linux_record_tdep.size_itimerspec = 32;
2176 amd64_x32_linux_record_tdep.size_mq_attr = 64;
2177 amd64_x32_linux_record_tdep.size_termios = 36;
2178 amd64_x32_linux_record_tdep.size_termios2 = 44;
2179 amd64_x32_linux_record_tdep.size_pid_t = 4;
2180 amd64_x32_linux_record_tdep.size_winsize = 8;
2181 amd64_x32_linux_record_tdep.size_serial_struct = 72;
2182 amd64_x32_linux_record_tdep.size_serial_icounter_struct = 80;
2183 amd64_x32_linux_record_tdep.size_hayes_esp_config = 12;
2184 amd64_x32_linux_record_tdep.size_size_t = 4;
2185 amd64_x32_linux_record_tdep.size_iovec = 8;
2186 amd64_x32_linux_record_tdep.size_time_t = 8;
2188 /* These values are the second argument of system call "sys_fcntl"
2189 and "sys_fcntl64". They are obtained from Linux Kernel source. */
2190 amd64_x32_linux_record_tdep.fcntl_F_GETLK = 5;
2191 amd64_x32_linux_record_tdep.fcntl_F_GETLK64 = 12;
2192 amd64_x32_linux_record_tdep.fcntl_F_SETLK64 = 13;
2193 amd64_x32_linux_record_tdep.fcntl_F_SETLKW64 = 14;
2195 amd64_x32_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
2196 amd64_x32_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
2197 amd64_x32_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
2198 amd64_x32_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
2199 amd64_x32_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
2200 amd64_x32_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
2202 /* These values are the second argument of system call "sys_ioctl".
2203 They are obtained from Linux Kernel source. */
2204 amd64_x32_linux_record_tdep.ioctl_TCGETS = 0x5401;
2205 amd64_x32_linux_record_tdep.ioctl_TCSETS = 0x5402;
2206 amd64_x32_linux_record_tdep.ioctl_TCSETSW = 0x5403;
2207 amd64_x32_linux_record_tdep.ioctl_TCSETSF = 0x5404;
2208 amd64_x32_linux_record_tdep.ioctl_TCGETA = 0x5405;
2209 amd64_x32_linux_record_tdep.ioctl_TCSETA = 0x5406;
2210 amd64_x32_linux_record_tdep.ioctl_TCSETAW = 0x5407;
2211 amd64_x32_linux_record_tdep.ioctl_TCSETAF = 0x5408;
2212 amd64_x32_linux_record_tdep.ioctl_TCSBRK = 0x5409;
2213 amd64_x32_linux_record_tdep.ioctl_TCXONC = 0x540A;
2214 amd64_x32_linux_record_tdep.ioctl_TCFLSH = 0x540B;
2215 amd64_x32_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
2216 amd64_x32_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
2217 amd64_x32_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
2218 amd64_x32_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
2219 amd64_x32_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
2220 amd64_x32_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
2221 amd64_x32_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
2222 amd64_x32_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
2223 amd64_x32_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
2224 amd64_x32_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
2225 amd64_x32_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
2226 amd64_x32_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
2227 amd64_x32_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
2228 amd64_x32_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
2229 amd64_x32_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
2230 amd64_x32_linux_record_tdep.ioctl_FIONREAD = 0x541B;
2231 amd64_x32_linux_record_tdep.ioctl_TIOCINQ = amd64_x32_linux_record_tdep.ioctl_FIONREAD;
2232 amd64_x32_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
2233 amd64_x32_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
2234 amd64_x32_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
2235 amd64_x32_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
2236 amd64_x32_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
2237 amd64_x32_linux_record_tdep.ioctl_FIONBIO = 0x5421;
2238 amd64_x32_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
2239 amd64_x32_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
2240 amd64_x32_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
2241 amd64_x32_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
2242 amd64_x32_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
2243 amd64_x32_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
2244 amd64_x32_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
2245 amd64_x32_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
2246 amd64_x32_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
2247 amd64_x32_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
2248 amd64_x32_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
2249 amd64_x32_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
2250 amd64_x32_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
2251 amd64_x32_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
2252 amd64_x32_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
2253 amd64_x32_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
2254 amd64_x32_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
2255 amd64_x32_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
2256 amd64_x32_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
2257 amd64_x32_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
2258 amd64_x32_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
2259 amd64_x32_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
2260 amd64_x32_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
2261 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
2262 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
2263 amd64_x32_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
2264 amd64_x32_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
2265 amd64_x32_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
2266 amd64_x32_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
2267 amd64_x32_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
2268 amd64_x32_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
2270 tdep->i386_syscall_record = amd64_x32_linux_syscall_record;
2272 /* GNU/Linux uses SVR4-style shared libraries. */
2273 set_solib_svr4_fetch_link_map_offsets
2274 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
2278 /* Provide a prototype to silence -Wmissing-prototypes. */
2279 extern void _initialize_amd64_linux_tdep (void);
2282 _initialize_amd64_linux_tdep (void)
2284 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
2285 GDB_OSABI_LINUX, amd64_linux_init_abi);
2286 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32,
2287 GDB_OSABI_LINUX, amd64_x32_linux_init_abi);
2289 /* Initialize the Linux target description. */
2290 initialize_tdesc_amd64_linux ();
2291 initialize_tdesc_amd64_avx_linux ();
2292 initialize_tdesc_amd64_mpx_linux ();
2293 initialize_tdesc_amd64_avx_mpx_linux ();
2294 initialize_tdesc_amd64_avx512_linux ();
2296 initialize_tdesc_x32_linux ();
2297 initialize_tdesc_x32_avx_linux ();
2298 initialize_tdesc_x32_avx512_linux ();