1 /* Target-dependent code for GNU/Linux x86-64.
3 Copyright (C) 2001-2015 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-avx512-linux.c"
48 #include "features/i386/x32-linux.c"
49 #include "features/i386/x32-avx-linux.c"
50 #include "features/i386/x32-avx512-linux.c"
52 /* The syscall's XML filename for i386. */
53 #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml"
55 #include "record-full.h"
56 #include "linux-record.h"
58 /* Mapping between the general-purpose registers in `struct user'
59 format and GDB's register cache layout. */
61 /* From <sys/reg.h>. */
62 int amd64_linux_gregset_reg_offset[] =
88 -1, -1, -1, -1, -1, -1, -1, -1,
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, -1,
92 -1, -1, -1, -1, -1, -1, -1, -1,
93 -1, -1, -1, -1, -1, -1, -1, -1,
94 -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */
95 -1, -1, /* MPX registers BNDCFGU and BNDSTATUS. */
96 -1, -1, -1, -1, -1, -1, -1, -1, /* xmm16 ... xmm31 (AVX512) */
97 -1, -1, -1, -1, -1, -1, -1, -1,
98 -1, -1, -1, -1, -1, -1, -1, -1, /* ymm16 ... ymm31 (AVX512) */
99 -1, -1, -1, -1, -1, -1, -1, -1,
100 -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */
101 -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm31 (AVX512) */
102 -1, -1, -1, -1, -1, -1, -1, -1,
103 -1, -1, -1, -1, -1, -1, -1, -1,
104 -1, -1, -1, -1, -1, -1, -1, -1,
105 15 * 8 /* "orig_rax" */
109 /* Support for signal handlers. */
111 #define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */
112 #define LINUX_SIGTRAMP_OFFSET0 0
113 #define LINUX_SIGTRAMP_INSN1 0x0f /* syscall */
114 #define LINUX_SIGTRAMP_OFFSET1 7
116 static const gdb_byte amd64_linux_sigtramp_code[] =
118 /* mov $__NR_rt_sigreturn, %rax */
119 LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00,
121 LINUX_SIGTRAMP_INSN1, 0x05
124 static const gdb_byte amd64_x32_linux_sigtramp_code[] =
126 /* mov $__NR_rt_sigreturn, %rax. */
127 LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x01, 0x02, 0x00, 0x40,
129 LINUX_SIGTRAMP_INSN1, 0x05
132 #define LINUX_SIGTRAMP_LEN (sizeof amd64_linux_sigtramp_code)
134 /* If PC is in a sigtramp routine, return the address of the start of
135 the routine. Otherwise, return 0. */
138 amd64_linux_sigtramp_start (struct frame_info *this_frame)
140 struct gdbarch *gdbarch;
141 const gdb_byte *sigtramp_code;
142 CORE_ADDR pc = get_frame_pc (this_frame);
143 gdb_byte buf[LINUX_SIGTRAMP_LEN];
145 /* We only recognize a signal trampoline if PC is at the start of
146 one of the two instructions. We optimize for finding the PC at
147 the start, as will be the case when the trampoline is not the
148 first frame on the stack. We assume that in the case where the
149 PC is not at the start of the instruction sequence, there will be
150 a few trailing readable bytes on the stack. */
152 if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
155 if (buf[0] != LINUX_SIGTRAMP_INSN0)
157 if (buf[0] != LINUX_SIGTRAMP_INSN1)
160 pc -= LINUX_SIGTRAMP_OFFSET1;
161 if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
165 gdbarch = get_frame_arch (this_frame);
166 if (gdbarch_ptr_bit (gdbarch) == 32)
167 sigtramp_code = amd64_x32_linux_sigtramp_code;
169 sigtramp_code = amd64_linux_sigtramp_code;
170 if (memcmp (buf, sigtramp_code, LINUX_SIGTRAMP_LEN) != 0)
176 /* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp
180 amd64_linux_sigtramp_p (struct frame_info *this_frame)
182 CORE_ADDR pc = get_frame_pc (this_frame);
185 find_pc_partial_function (pc, &name, NULL, NULL);
187 /* If we have NAME, we can optimize the search. The trampoline is
188 named __restore_rt. However, it isn't dynamically exported from
189 the shared C library, so the trampoline may appear to be part of
190 the preceding function. This should always be sigaction,
191 __sigaction, or __libc_sigaction (all aliases to the same
193 if (name == NULL || strstr (name, "sigaction") != NULL)
194 return (amd64_linux_sigtramp_start (this_frame) != 0);
196 return (strcmp ("__restore_rt", name) == 0);
199 /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */
200 #define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40
202 /* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the
203 address of the associated sigcontext structure. */
206 amd64_linux_sigcontext_addr (struct frame_info *this_frame)
208 struct gdbarch *gdbarch = get_frame_arch (this_frame);
209 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
213 get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
214 sp = extract_unsigned_integer (buf, 8, byte_order);
216 /* The sigcontext structure is part of the user context. A pointer
217 to the user context is passed as the third argument to the signal
218 handler, i.e. in %rdx. Unfortunately %rdx isn't preserved across
219 function calls so we can't use it. Fortunately the user context
220 is part of the signal frame and the unwound %rsp directly points
222 return sp + AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
227 amd64_linux_get_syscall_number (struct gdbarch *gdbarch,
230 struct regcache *regcache = get_thread_regcache (ptid);
231 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
232 /* The content of a register. */
237 /* Getting the system call number from the register.
238 When dealing with x86_64 architecture, this information
239 is stored at %rax register. */
240 regcache_cooked_read (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, buf);
242 ret = extract_signed_integer (buf, 8, byte_order);
248 /* From <asm/sigcontext.h>. */
249 static int amd64_linux_sc_reg_offset[] =
268 17 * 8, /* %eflags */
270 /* FIXME: kettenis/2002030531: The registers %cs, %fs and %gs are
271 available in `struct sigcontext'. However, they only occupy two
272 bytes instead of four, which makes using them here rather
273 difficult. Leave them out for now. */
283 amd64_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
284 struct reggroup *group)
286 if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM)
287 return (group == system_reggroup
288 || group == save_reggroup
289 || group == restore_reggroup);
290 return i386_register_reggroup_p (gdbarch, regnum, group);
293 /* Set the program counter for process PTID to PC. */
296 amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
298 regcache_cooked_write_unsigned (regcache, AMD64_RIP_REGNUM, pc);
300 /* We must be careful with modifying the program counter. If we
301 just interrupted a system call, the kernel might try to restart
302 it when we resume the inferior. On restarting the system call,
303 the kernel will try backing up the program counter even though it
304 no longer points at the system call. This typically results in a
305 SIGSEGV or SIGILL. We can prevent this by writing `-1' in the
306 "orig_rax" pseudo-register.
308 Note that "orig_rax" is saved when setting up a dummy call frame.
309 This means that it is properly restored when that frame is
310 popped, and that the interrupted system call will be restarted
311 when we resume the inferior on return from a function call from
312 within GDB. In all other cases the system call will not be
314 regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1);
317 /* Record all registers but IP register for process-record. */
320 amd64_all_but_ip_registers_record (struct regcache *regcache)
322 if (record_full_arch_list_add_reg (regcache, AMD64_RAX_REGNUM))
324 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
326 if (record_full_arch_list_add_reg (regcache, AMD64_RDX_REGNUM))
328 if (record_full_arch_list_add_reg (regcache, AMD64_RBX_REGNUM))
330 if (record_full_arch_list_add_reg (regcache, AMD64_RSP_REGNUM))
332 if (record_full_arch_list_add_reg (regcache, AMD64_RBP_REGNUM))
334 if (record_full_arch_list_add_reg (regcache, AMD64_RSI_REGNUM))
336 if (record_full_arch_list_add_reg (regcache, AMD64_RDI_REGNUM))
338 if (record_full_arch_list_add_reg (regcache, AMD64_R8_REGNUM))
340 if (record_full_arch_list_add_reg (regcache, AMD64_R9_REGNUM))
342 if (record_full_arch_list_add_reg (regcache, AMD64_R10_REGNUM))
344 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
346 if (record_full_arch_list_add_reg (regcache, AMD64_R12_REGNUM))
348 if (record_full_arch_list_add_reg (regcache, AMD64_R13_REGNUM))
350 if (record_full_arch_list_add_reg (regcache, AMD64_R14_REGNUM))
352 if (record_full_arch_list_add_reg (regcache, AMD64_R15_REGNUM))
354 if (record_full_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM))
360 /* amd64_canonicalize_syscall maps from the native amd64 Linux set
361 of syscall ids into a canonical set of syscall ids used by
364 static enum gdb_syscall
365 amd64_canonicalize_syscall (enum amd64_syscall syscall_number)
367 switch (syscall_number) {
369 case amd64_x32_sys_read:
372 case amd64_sys_write:
373 case amd64_x32_sys_write:
374 return gdb_sys_write;
377 case amd64_x32_sys_open:
380 case amd64_sys_close:
381 case amd64_x32_sys_close:
382 return gdb_sys_close;
384 case amd64_sys_newstat:
385 case amd64_x32_sys_newstat:
386 return gdb_sys_newstat;
388 case amd64_sys_newfstat:
389 case amd64_x32_sys_newfstat:
390 return gdb_sys_newfstat;
392 case amd64_sys_newlstat:
393 case amd64_x32_sys_newlstat:
394 return gdb_sys_newlstat;
397 case amd64_x32_sys_poll:
400 case amd64_sys_lseek:
401 case amd64_x32_sys_lseek:
402 return gdb_sys_lseek;
405 case amd64_x32_sys_mmap:
406 return gdb_sys_mmap2;
408 case amd64_sys_mprotect:
409 case amd64_x32_sys_mprotect:
410 return gdb_sys_mprotect;
412 case amd64_sys_munmap:
413 case amd64_x32_sys_munmap:
414 return gdb_sys_munmap;
417 case amd64_x32_sys_brk:
420 case amd64_sys_rt_sigaction:
421 case amd64_x32_sys_rt_sigaction:
422 return gdb_sys_rt_sigaction;
424 case amd64_sys_rt_sigprocmask:
425 case amd64_x32_sys_rt_sigprocmask:
426 return gdb_sys_rt_sigprocmask;
428 case amd64_sys_rt_sigreturn:
429 case amd64_x32_sys_rt_sigreturn:
430 return gdb_sys_rt_sigreturn;
432 case amd64_sys_ioctl:
433 case amd64_x32_sys_ioctl:
434 return gdb_sys_ioctl;
436 case amd64_sys_pread64:
437 case amd64_x32_sys_pread64:
438 return gdb_sys_pread64;
440 case amd64_sys_pwrite64:
441 case amd64_x32_sys_pwrite64:
442 return gdb_sys_pwrite64;
444 case amd64_sys_readv:
445 case amd64_x32_sys_readv:
446 return gdb_sys_readv;
448 case amd64_sys_writev:
449 case amd64_x32_sys_writev:
450 return gdb_sys_writev;
452 case amd64_sys_access:
453 case amd64_x32_sys_access:
454 return gdb_sys_access;
457 case amd64_x32_sys_pipe:
460 case amd64_sys_select:
461 case amd64_x32_sys_select:
462 return gdb_sys_select;
464 case amd64_sys_sched_yield:
465 case amd64_x32_sys_sched_yield:
466 return gdb_sys_sched_yield;
468 case amd64_sys_mremap:
469 case amd64_x32_sys_mremap:
470 return gdb_sys_mremap;
472 case amd64_sys_msync:
473 case amd64_x32_sys_msync:
474 return gdb_sys_msync;
476 case amd64_sys_mincore:
477 case amd64_x32_sys_mincore:
478 return gdb_sys_mincore;
480 case amd64_sys_madvise:
481 case amd64_x32_sys_madvise:
482 return gdb_sys_madvise;
484 case amd64_sys_shmget:
485 case amd64_x32_sys_shmget:
486 return gdb_sys_shmget;
488 case amd64_sys_shmat:
489 case amd64_x32_sys_shmat:
490 return gdb_sys_shmat;
492 case amd64_sys_shmctl:
493 case amd64_x32_sys_shmctl:
494 return gdb_sys_shmctl;
497 case amd64_x32_sys_dup:
501 case amd64_x32_sys_dup2:
504 case amd64_sys_pause:
505 case amd64_x32_sys_pause:
506 return gdb_sys_pause;
508 case amd64_sys_nanosleep:
509 case amd64_x32_sys_nanosleep:
510 return gdb_sys_nanosleep;
512 case amd64_sys_getitimer:
513 case amd64_x32_sys_getitimer:
514 return gdb_sys_getitimer;
516 case amd64_sys_alarm:
517 case amd64_x32_sys_alarm:
518 return gdb_sys_alarm;
520 case amd64_sys_setitimer:
521 case amd64_x32_sys_setitimer:
522 return gdb_sys_setitimer;
524 case amd64_sys_getpid:
525 case amd64_x32_sys_getpid:
526 return gdb_sys_getpid;
528 case amd64_sys_sendfile64:
529 case amd64_x32_sys_sendfile64:
530 return gdb_sys_sendfile64;
532 case amd64_sys_socket:
533 case amd64_x32_sys_socket:
534 return gdb_sys_socket;
536 case amd64_sys_connect:
537 case amd64_x32_sys_connect:
538 return gdb_sys_connect;
540 case amd64_sys_accept:
541 case amd64_x32_sys_accept:
542 return gdb_sys_accept;
544 case amd64_sys_sendto:
545 case amd64_x32_sys_sendto:
546 return gdb_sys_sendto;
548 case amd64_sys_recvfrom:
549 case amd64_x32_sys_recvfrom:
550 return gdb_sys_recvfrom;
552 case amd64_sys_sendmsg:
553 case amd64_x32_sys_sendmsg:
554 return gdb_sys_sendmsg;
556 case amd64_sys_recvmsg:
557 case amd64_x32_sys_recvmsg:
558 return gdb_sys_recvmsg;
560 case amd64_sys_shutdown:
561 case amd64_x32_sys_shutdown:
562 return gdb_sys_shutdown;
565 case amd64_x32_sys_bind:
568 case amd64_sys_listen:
569 case amd64_x32_sys_listen:
570 return gdb_sys_listen;
572 case amd64_sys_getsockname:
573 case amd64_x32_sys_getsockname:
574 return gdb_sys_getsockname;
576 case amd64_sys_getpeername:
577 case amd64_x32_sys_getpeername:
578 return gdb_sys_getpeername;
580 case amd64_sys_socketpair:
581 case amd64_x32_sys_socketpair:
582 return gdb_sys_socketpair;
584 case amd64_sys_setsockopt:
585 case amd64_x32_sys_setsockopt:
586 return gdb_sys_setsockopt;
588 case amd64_sys_getsockopt:
589 case amd64_x32_sys_getsockopt:
590 return gdb_sys_getsockopt;
592 case amd64_sys_clone:
593 case amd64_x32_sys_clone:
594 return gdb_sys_clone;
597 case amd64_x32_sys_fork:
600 case amd64_sys_vfork:
601 case amd64_x32_sys_vfork:
602 return gdb_sys_vfork;
604 case amd64_sys_execve:
605 case amd64_x32_sys_execve:
606 return gdb_sys_execve;
609 case amd64_x32_sys_exit:
612 case amd64_sys_wait4:
613 case amd64_x32_sys_wait4:
614 return gdb_sys_wait4;
617 case amd64_x32_sys_kill:
620 case amd64_sys_uname:
621 case amd64_x32_sys_uname:
622 return gdb_sys_uname;
624 case amd64_sys_semget:
625 case amd64_x32_sys_semget:
626 return gdb_sys_semget;
628 case amd64_sys_semop:
629 case amd64_x32_sys_semop:
630 return gdb_sys_semop;
632 case amd64_sys_semctl:
633 case amd64_x32_sys_semctl:
634 return gdb_sys_semctl;
636 case amd64_sys_shmdt:
637 case amd64_x32_sys_shmdt:
638 return gdb_sys_shmdt;
640 case amd64_sys_msgget:
641 case amd64_x32_sys_msgget:
642 return gdb_sys_msgget;
644 case amd64_sys_msgsnd:
645 case amd64_x32_sys_msgsnd:
646 return gdb_sys_msgsnd;
648 case amd64_sys_msgrcv:
649 case amd64_x32_sys_msgrcv:
650 return gdb_sys_msgrcv;
652 case amd64_sys_msgctl:
653 case amd64_x32_sys_msgctl:
654 return gdb_sys_msgctl;
656 case amd64_sys_fcntl:
657 case amd64_x32_sys_fcntl:
658 return gdb_sys_fcntl;
660 case amd64_sys_flock:
661 case amd64_x32_sys_flock:
662 return gdb_sys_flock;
664 case amd64_sys_fsync:
665 case amd64_x32_sys_fsync:
666 return gdb_sys_fsync;
668 case amd64_sys_fdatasync:
669 case amd64_x32_sys_fdatasync:
670 return gdb_sys_fdatasync;
672 case amd64_sys_truncate:
673 case amd64_x32_sys_truncate:
674 return gdb_sys_truncate;
676 case amd64_sys_ftruncate:
677 case amd64_x32_sys_ftruncate:
678 return gdb_sys_ftruncate;
680 case amd64_sys_getdents:
681 case amd64_x32_sys_getdents:
682 return gdb_sys_getdents;
684 case amd64_sys_getcwd:
685 case amd64_x32_sys_getcwd:
686 return gdb_sys_getcwd;
688 case amd64_sys_chdir:
689 case amd64_x32_sys_chdir:
690 return gdb_sys_chdir;
692 case amd64_sys_fchdir:
693 case amd64_x32_sys_fchdir:
694 return gdb_sys_fchdir;
696 case amd64_sys_rename:
697 case amd64_x32_sys_rename:
698 return gdb_sys_rename;
700 case amd64_sys_mkdir:
701 case amd64_x32_sys_mkdir:
702 return gdb_sys_mkdir;
704 case amd64_sys_rmdir:
705 case amd64_x32_sys_rmdir:
706 return gdb_sys_rmdir;
708 case amd64_sys_creat:
709 case amd64_x32_sys_creat:
710 return gdb_sys_creat;
713 case amd64_x32_sys_link:
716 case amd64_sys_unlink:
717 case amd64_x32_sys_unlink:
718 return gdb_sys_unlink;
720 case amd64_sys_symlink:
721 case amd64_x32_sys_symlink:
722 return gdb_sys_symlink;
724 case amd64_sys_readlink:
725 case amd64_x32_sys_readlink:
726 return gdb_sys_readlink;
728 case amd64_sys_chmod:
729 case amd64_x32_sys_chmod:
730 return gdb_sys_chmod;
732 case amd64_sys_fchmod:
733 case amd64_x32_sys_fchmod:
734 return gdb_sys_fchmod;
736 case amd64_sys_chown:
737 case amd64_x32_sys_chown:
738 return gdb_sys_chown;
740 case amd64_sys_fchown:
741 case amd64_x32_sys_fchown:
742 return gdb_sys_fchown;
744 case amd64_sys_lchown:
745 case amd64_x32_sys_lchown:
746 return gdb_sys_lchown;
748 case amd64_sys_umask:
749 case amd64_x32_sys_umask:
750 return gdb_sys_umask;
752 case amd64_sys_gettimeofday:
753 case amd64_x32_sys_gettimeofday:
754 return gdb_sys_gettimeofday;
756 case amd64_sys_getrlimit:
757 case amd64_x32_sys_getrlimit:
758 return gdb_sys_getrlimit;
760 case amd64_sys_getrusage:
761 case amd64_x32_sys_getrusage:
762 return gdb_sys_getrusage;
764 case amd64_sys_sysinfo:
765 case amd64_x32_sys_sysinfo:
766 return gdb_sys_sysinfo;
768 case amd64_sys_times:
769 case amd64_x32_sys_times:
770 return gdb_sys_times;
772 case amd64_sys_ptrace:
773 case amd64_x32_sys_ptrace:
774 return gdb_sys_ptrace;
776 case amd64_sys_getuid:
777 case amd64_x32_sys_getuid:
778 return gdb_sys_getuid;
780 case amd64_sys_syslog:
781 case amd64_x32_sys_syslog:
782 return gdb_sys_syslog;
784 case amd64_sys_getgid:
785 case amd64_x32_sys_getgid:
786 return gdb_sys_getgid;
788 case amd64_sys_setuid:
789 case amd64_x32_sys_setuid:
790 return gdb_sys_setuid;
792 case amd64_sys_setgid:
793 case amd64_x32_sys_setgid:
794 return gdb_sys_setgid;
796 case amd64_sys_geteuid:
797 case amd64_x32_sys_geteuid:
798 return gdb_sys_geteuid;
800 case amd64_sys_getegid:
801 case amd64_x32_sys_getegid:
802 return gdb_sys_getegid;
804 case amd64_sys_setpgid:
805 case amd64_x32_sys_setpgid:
806 return gdb_sys_setpgid;
808 case amd64_sys_getppid:
809 case amd64_x32_sys_getppid:
810 return gdb_sys_getppid;
812 case amd64_sys_getpgrp:
813 case amd64_x32_sys_getpgrp:
814 return gdb_sys_getpgrp;
816 case amd64_sys_setsid:
817 case amd64_x32_sys_setsid:
818 return gdb_sys_setsid;
820 case amd64_sys_setreuid:
821 case amd64_x32_sys_setreuid:
822 return gdb_sys_setreuid;
824 case amd64_sys_setregid:
825 case amd64_x32_sys_setregid:
826 return gdb_sys_setregid;
828 case amd64_sys_getgroups:
829 case amd64_x32_sys_getgroups:
830 return gdb_sys_getgroups;
832 case amd64_sys_setgroups:
833 case amd64_x32_sys_setgroups:
834 return gdb_sys_setgroups;
836 case amd64_sys_setresuid:
837 case amd64_x32_sys_setresuid:
838 return gdb_sys_setresuid;
840 case amd64_sys_getresuid:
841 case amd64_x32_sys_getresuid:
842 return gdb_sys_getresuid;
844 case amd64_sys_setresgid:
845 case amd64_x32_sys_setresgid:
846 return gdb_sys_setresgid;
848 case amd64_sys_getresgid:
849 case amd64_x32_sys_getresgid:
850 return gdb_sys_getresgid;
852 case amd64_sys_getpgid:
853 case amd64_x32_sys_getpgid:
854 return gdb_sys_getpgid;
856 case amd64_sys_setfsuid:
857 case amd64_x32_sys_setfsuid:
858 return gdb_sys_setfsuid;
860 case amd64_sys_setfsgid:
861 case amd64_x32_sys_setfsgid:
862 return gdb_sys_setfsgid;
864 case amd64_sys_getsid:
865 case amd64_x32_sys_getsid:
866 return gdb_sys_getsid;
868 case amd64_sys_capget:
869 case amd64_x32_sys_capget:
870 return gdb_sys_capget;
872 case amd64_sys_capset:
873 case amd64_x32_sys_capset:
874 return gdb_sys_capset;
876 case amd64_sys_rt_sigpending:
877 case amd64_x32_sys_rt_sigpending:
878 return gdb_sys_rt_sigpending;
880 case amd64_sys_rt_sigtimedwait:
881 case amd64_x32_sys_rt_sigtimedwait:
882 return gdb_sys_rt_sigtimedwait;
884 case amd64_sys_rt_sigqueueinfo:
885 case amd64_x32_sys_rt_sigqueueinfo:
886 return gdb_sys_rt_sigqueueinfo;
888 case amd64_sys_rt_sigsuspend:
889 case amd64_x32_sys_rt_sigsuspend:
890 return gdb_sys_rt_sigsuspend;
892 case amd64_sys_sigaltstack:
893 case amd64_x32_sys_sigaltstack:
894 return gdb_sys_sigaltstack;
896 case amd64_sys_utime:
897 case amd64_x32_sys_utime:
898 return gdb_sys_utime;
900 case amd64_sys_mknod:
901 case amd64_x32_sys_mknod:
902 return gdb_sys_mknod;
904 case amd64_sys_personality:
905 case amd64_x32_sys_personality:
906 return gdb_sys_personality;
908 case amd64_sys_ustat:
909 case amd64_x32_sys_ustat:
910 return gdb_sys_ustat;
912 case amd64_sys_statfs:
913 case amd64_x32_sys_statfs:
914 return gdb_sys_statfs;
916 case amd64_sys_fstatfs:
917 case amd64_x32_sys_fstatfs:
918 return gdb_sys_fstatfs;
920 case amd64_sys_sysfs:
921 case amd64_x32_sys_sysfs:
922 return gdb_sys_sysfs;
924 case amd64_sys_getpriority:
925 case amd64_x32_sys_getpriority:
926 return gdb_sys_getpriority;
928 case amd64_sys_setpriority:
929 case amd64_x32_sys_setpriority:
930 return gdb_sys_setpriority;
932 case amd64_sys_sched_setparam:
933 case amd64_x32_sys_sched_setparam:
934 return gdb_sys_sched_setparam;
936 case amd64_sys_sched_getparam:
937 case amd64_x32_sys_sched_getparam:
938 return gdb_sys_sched_getparam;
940 case amd64_sys_sched_setscheduler:
941 case amd64_x32_sys_sched_setscheduler:
942 return gdb_sys_sched_setscheduler;
944 case amd64_sys_sched_getscheduler:
945 case amd64_x32_sys_sched_getscheduler:
946 return gdb_sys_sched_getscheduler;
948 case amd64_sys_sched_get_priority_max:
949 case amd64_x32_sys_sched_get_priority_max:
950 return gdb_sys_sched_get_priority_max;
952 case amd64_sys_sched_get_priority_min:
953 case amd64_x32_sys_sched_get_priority_min:
954 return gdb_sys_sched_get_priority_min;
956 case amd64_sys_sched_rr_get_interval:
957 case amd64_x32_sys_sched_rr_get_interval:
958 return gdb_sys_sched_rr_get_interval;
960 case amd64_sys_mlock:
961 case amd64_x32_sys_mlock:
962 return gdb_sys_mlock;
964 case amd64_sys_munlock:
965 case amd64_x32_sys_munlock:
966 return gdb_sys_munlock;
968 case amd64_sys_mlockall:
969 case amd64_x32_sys_mlockall:
970 return gdb_sys_mlockall;
972 case amd64_sys_munlockall:
973 case amd64_x32_sys_munlockall:
974 return gdb_sys_munlockall;
976 case amd64_sys_vhangup:
977 case amd64_x32_sys_vhangup:
978 return gdb_sys_vhangup;
980 case amd64_sys_modify_ldt:
981 case amd64_x32_sys_modify_ldt:
982 return gdb_sys_modify_ldt;
984 case amd64_sys_pivot_root:
985 case amd64_x32_sys_pivot_root:
986 return gdb_sys_pivot_root;
988 case amd64_sys_sysctl:
989 case amd64_x32_sys_sysctl:
990 return gdb_sys_sysctl;
992 case amd64_sys_prctl:
993 case amd64_x32_sys_prctl:
994 return gdb_sys_prctl;
996 case amd64_sys_arch_prctl:
997 case amd64_x32_sys_arch_prctl:
998 return gdb_sys_no_syscall; /* Note */
1000 case amd64_sys_adjtimex:
1001 case amd64_x32_sys_adjtimex:
1002 return gdb_sys_adjtimex;
1004 case amd64_sys_setrlimit:
1005 case amd64_x32_sys_setrlimit:
1006 return gdb_sys_setrlimit;
1008 case amd64_sys_chroot:
1009 case amd64_x32_sys_chroot:
1010 return gdb_sys_chroot;
1012 case amd64_sys_sync:
1013 case amd64_x32_sys_sync:
1014 return gdb_sys_sync;
1016 case amd64_sys_acct:
1017 case amd64_x32_sys_acct:
1018 return gdb_sys_acct;
1020 case amd64_sys_settimeofday:
1021 case amd64_x32_sys_settimeofday:
1022 return gdb_sys_settimeofday;
1024 case amd64_sys_mount:
1025 case amd64_x32_sys_mount:
1026 return gdb_sys_mount;
1028 case amd64_sys_umount:
1029 case amd64_x32_sys_umount:
1030 return gdb_sys_umount;
1032 case amd64_sys_swapon:
1033 case amd64_x32_sys_swapon:
1034 return gdb_sys_swapon;
1036 case amd64_sys_swapoff:
1037 case amd64_x32_sys_swapoff:
1038 return gdb_sys_swapoff;
1040 case amd64_sys_reboot:
1041 case amd64_x32_sys_reboot:
1042 return gdb_sys_reboot;
1044 case amd64_sys_sethostname:
1045 case amd64_x32_sys_sethostname:
1046 return gdb_sys_sethostname;
1048 case amd64_sys_setdomainname:
1049 case amd64_x32_sys_setdomainname:
1050 return gdb_sys_setdomainname;
1052 case amd64_sys_iopl:
1053 case amd64_x32_sys_iopl:
1054 return gdb_sys_iopl;
1056 case amd64_sys_ioperm:
1057 case amd64_x32_sys_ioperm:
1058 return gdb_sys_ioperm;
1060 case amd64_sys_init_module:
1061 case amd64_x32_sys_init_module:
1062 return gdb_sys_init_module;
1064 case amd64_sys_delete_module:
1065 case amd64_x32_sys_delete_module:
1066 return gdb_sys_delete_module;
1068 case amd64_sys_quotactl:
1069 case amd64_x32_sys_quotactl:
1070 return gdb_sys_quotactl;
1072 case amd64_sys_nfsservctl:
1073 return gdb_sys_nfsservctl;
1075 case amd64_sys_gettid:
1076 case amd64_x32_sys_gettid:
1077 return gdb_sys_gettid;
1079 case amd64_sys_readahead:
1080 case amd64_x32_sys_readahead:
1081 return gdb_sys_readahead;
1083 case amd64_sys_setxattr:
1084 case amd64_x32_sys_setxattr:
1085 return gdb_sys_setxattr;
1087 case amd64_sys_lsetxattr:
1088 case amd64_x32_sys_lsetxattr:
1089 return gdb_sys_lsetxattr;
1091 case amd64_sys_fsetxattr:
1092 case amd64_x32_sys_fsetxattr:
1093 return gdb_sys_fsetxattr;
1095 case amd64_sys_getxattr:
1096 case amd64_x32_sys_getxattr:
1097 return gdb_sys_getxattr;
1099 case amd64_sys_lgetxattr:
1100 case amd64_x32_sys_lgetxattr:
1101 return gdb_sys_lgetxattr;
1103 case amd64_sys_fgetxattr:
1104 case amd64_x32_sys_fgetxattr:
1105 return gdb_sys_fgetxattr;
1107 case amd64_sys_listxattr:
1108 case amd64_x32_sys_listxattr:
1109 return gdb_sys_listxattr;
1111 case amd64_sys_llistxattr:
1112 case amd64_x32_sys_llistxattr:
1113 return gdb_sys_llistxattr;
1115 case amd64_sys_flistxattr:
1116 case amd64_x32_sys_flistxattr:
1117 return gdb_sys_flistxattr;
1119 case amd64_sys_removexattr:
1120 case amd64_x32_sys_removexattr:
1121 return gdb_sys_removexattr;
1123 case amd64_sys_lremovexattr:
1124 case amd64_x32_sys_lremovexattr:
1125 return gdb_sys_lremovexattr;
1127 case amd64_sys_fremovexattr:
1128 case amd64_x32_sys_fremovexattr:
1129 return gdb_sys_fremovexattr;
1131 case amd64_sys_tkill:
1132 case amd64_x32_sys_tkill:
1133 return gdb_sys_tkill;
1135 case amd64_sys_time:
1136 case amd64_x32_sys_time:
1137 return gdb_sys_time;
1139 case amd64_sys_futex:
1140 case amd64_x32_sys_futex:
1141 return gdb_sys_futex;
1143 case amd64_sys_sched_setaffinity:
1144 case amd64_x32_sys_sched_setaffinity:
1145 return gdb_sys_sched_setaffinity;
1147 case amd64_sys_sched_getaffinity:
1148 case amd64_x32_sys_sched_getaffinity:
1149 return gdb_sys_sched_getaffinity;
1151 case amd64_sys_io_setup:
1152 case amd64_x32_sys_io_setup:
1153 return gdb_sys_io_setup;
1155 case amd64_sys_io_destroy:
1156 case amd64_x32_sys_io_destroy:
1157 return gdb_sys_io_destroy;
1159 case amd64_sys_io_getevents:
1160 case amd64_x32_sys_io_getevents:
1161 return gdb_sys_io_getevents;
1163 case amd64_sys_io_submit:
1164 case amd64_x32_sys_io_submit:
1165 return gdb_sys_io_submit;
1167 case amd64_sys_io_cancel:
1168 case amd64_x32_sys_io_cancel:
1169 return gdb_sys_io_cancel;
1171 case amd64_sys_lookup_dcookie:
1172 case amd64_x32_sys_lookup_dcookie:
1173 return gdb_sys_lookup_dcookie;
1175 case amd64_sys_epoll_create:
1176 case amd64_x32_sys_epoll_create:
1177 return gdb_sys_epoll_create;
1179 case amd64_sys_remap_file_pages:
1180 case amd64_x32_sys_remap_file_pages:
1181 return gdb_sys_remap_file_pages;
1183 case amd64_sys_getdents64:
1184 case amd64_x32_sys_getdents64:
1185 return gdb_sys_getdents64;
1187 case amd64_sys_set_tid_address:
1188 case amd64_x32_sys_set_tid_address:
1189 return gdb_sys_set_tid_address;
1191 case amd64_sys_restart_syscall:
1192 case amd64_x32_sys_restart_syscall:
1193 return gdb_sys_restart_syscall;
1195 case amd64_sys_semtimedop:
1196 case amd64_x32_sys_semtimedop:
1197 return gdb_sys_semtimedop;
1199 case amd64_sys_fadvise64:
1200 case amd64_x32_sys_fadvise64:
1201 return gdb_sys_fadvise64;
1203 case amd64_sys_timer_create:
1204 case amd64_x32_sys_timer_create:
1205 return gdb_sys_timer_create;
1207 case amd64_sys_timer_settime:
1208 case amd64_x32_sys_timer_settime:
1209 return gdb_sys_timer_settime;
1211 case amd64_sys_timer_gettime:
1212 case amd64_x32_sys_timer_gettime:
1213 return gdb_sys_timer_gettime;
1215 case amd64_sys_timer_getoverrun:
1216 case amd64_x32_sys_timer_getoverrun:
1217 return gdb_sys_timer_getoverrun;
1219 case amd64_sys_timer_delete:
1220 case amd64_x32_sys_timer_delete:
1221 return gdb_sys_timer_delete;
1223 case amd64_sys_clock_settime:
1224 case amd64_x32_sys_clock_settime:
1225 return gdb_sys_clock_settime;
1227 case amd64_sys_clock_gettime:
1228 case amd64_x32_sys_clock_gettime:
1229 return gdb_sys_clock_gettime;
1231 case amd64_sys_clock_getres:
1232 case amd64_x32_sys_clock_getres:
1233 return gdb_sys_clock_getres;
1235 case amd64_sys_clock_nanosleep:
1236 case amd64_x32_sys_clock_nanosleep:
1237 return gdb_sys_clock_nanosleep;
1239 case amd64_sys_exit_group:
1240 case amd64_x32_sys_exit_group:
1241 return gdb_sys_exit_group;
1243 case amd64_sys_epoll_wait:
1244 case amd64_x32_sys_epoll_wait:
1245 return gdb_sys_epoll_wait;
1247 case amd64_sys_epoll_ctl:
1248 case amd64_x32_sys_epoll_ctl:
1249 return gdb_sys_epoll_ctl;
1251 case amd64_sys_tgkill:
1252 case amd64_x32_sys_tgkill:
1253 return gdb_sys_tgkill;
1255 case amd64_sys_utimes:
1256 case amd64_x32_sys_utimes:
1257 return gdb_sys_utimes;
1259 case amd64_sys_mbind:
1260 case amd64_x32_sys_mbind:
1261 return gdb_sys_mbind;
1263 case amd64_sys_set_mempolicy:
1264 case amd64_x32_sys_set_mempolicy:
1265 return gdb_sys_set_mempolicy;
1267 case amd64_sys_get_mempolicy:
1268 case amd64_x32_sys_get_mempolicy:
1269 return gdb_sys_get_mempolicy;
1271 case amd64_sys_mq_open:
1272 case amd64_x32_sys_mq_open:
1273 return gdb_sys_mq_open;
1275 case amd64_sys_mq_unlink:
1276 case amd64_x32_sys_mq_unlink:
1277 return gdb_sys_mq_unlink;
1279 case amd64_sys_mq_timedsend:
1280 case amd64_x32_sys_mq_timedsend:
1281 return gdb_sys_mq_timedsend;
1283 case amd64_sys_mq_timedreceive:
1284 case amd64_x32_sys_mq_timedreceive:
1285 return gdb_sys_mq_timedreceive;
1287 case amd64_sys_mq_notify:
1288 case amd64_x32_sys_mq_notify:
1289 return gdb_sys_mq_notify;
1291 case amd64_sys_mq_getsetattr:
1292 case amd64_x32_sys_mq_getsetattr:
1293 return gdb_sys_mq_getsetattr;
1295 case amd64_sys_kexec_load:
1296 case amd64_x32_sys_kexec_load:
1297 return gdb_sys_kexec_load;
1299 case amd64_sys_waitid:
1300 case amd64_x32_sys_waitid:
1301 return gdb_sys_waitid;
1303 case amd64_sys_add_key:
1304 case amd64_x32_sys_add_key:
1305 return gdb_sys_add_key;
1307 case amd64_sys_request_key:
1308 case amd64_x32_sys_request_key:
1309 return gdb_sys_request_key;
1311 case amd64_sys_keyctl:
1312 case amd64_x32_sys_keyctl:
1313 return gdb_sys_keyctl;
1315 case amd64_sys_ioprio_set:
1316 case amd64_x32_sys_ioprio_set:
1317 return gdb_sys_ioprio_set;
1319 case amd64_sys_ioprio_get:
1320 case amd64_x32_sys_ioprio_get:
1321 return gdb_sys_ioprio_get;
1323 case amd64_sys_inotify_init:
1324 case amd64_x32_sys_inotify_init:
1325 return gdb_sys_inotify_init;
1327 case amd64_sys_inotify_add_watch:
1328 case amd64_x32_sys_inotify_add_watch:
1329 return gdb_sys_inotify_add_watch;
1331 case amd64_sys_inotify_rm_watch:
1332 case amd64_x32_sys_inotify_rm_watch:
1333 return gdb_sys_inotify_rm_watch;
1335 case amd64_sys_migrate_pages:
1336 case amd64_x32_sys_migrate_pages:
1337 return gdb_sys_migrate_pages;
1339 case amd64_sys_openat:
1340 case amd64_x32_sys_openat:
1341 return gdb_sys_openat;
1343 case amd64_sys_mkdirat:
1344 case amd64_x32_sys_mkdirat:
1345 return gdb_sys_mkdirat;
1347 case amd64_sys_mknodat:
1348 case amd64_x32_sys_mknodat:
1349 return gdb_sys_mknodat;
1351 case amd64_sys_fchownat:
1352 case amd64_x32_sys_fchownat:
1353 return gdb_sys_fchownat;
1355 case amd64_sys_futimesat:
1356 case amd64_x32_sys_futimesat:
1357 return gdb_sys_futimesat;
1359 case amd64_sys_newfstatat:
1360 case amd64_x32_sys_newfstatat:
1361 return gdb_sys_newfstatat;
1363 case amd64_sys_unlinkat:
1364 case amd64_x32_sys_unlinkat:
1365 return gdb_sys_unlinkat;
1367 case amd64_sys_renameat:
1368 case amd64_x32_sys_renameat:
1369 return gdb_sys_renameat;
1371 case amd64_sys_linkat:
1372 case amd64_x32_sys_linkat:
1373 return gdb_sys_linkat;
1375 case amd64_sys_symlinkat:
1376 case amd64_x32_sys_symlinkat:
1377 return gdb_sys_symlinkat;
1379 case amd64_sys_readlinkat:
1380 case amd64_x32_sys_readlinkat:
1381 return gdb_sys_readlinkat;
1383 case amd64_sys_fchmodat:
1384 case amd64_x32_sys_fchmodat:
1385 return gdb_sys_fchmodat;
1387 case amd64_sys_faccessat:
1388 case amd64_x32_sys_faccessat:
1389 return gdb_sys_faccessat;
1391 case amd64_sys_pselect6:
1392 case amd64_x32_sys_pselect6:
1393 return gdb_sys_pselect6;
1395 case amd64_sys_ppoll:
1396 case amd64_x32_sys_ppoll:
1397 return gdb_sys_ppoll;
1399 case amd64_sys_unshare:
1400 case amd64_x32_sys_unshare:
1401 return gdb_sys_unshare;
1403 case amd64_sys_set_robust_list:
1404 case amd64_x32_sys_set_robust_list:
1405 return gdb_sys_set_robust_list;
1407 case amd64_sys_get_robust_list:
1408 case amd64_x32_sys_get_robust_list:
1409 return gdb_sys_get_robust_list;
1411 case amd64_sys_splice:
1412 case amd64_x32_sys_splice:
1413 return gdb_sys_splice;
1416 case amd64_x32_sys_tee:
1419 case amd64_sys_sync_file_range:
1420 case amd64_x32_sys_sync_file_range:
1421 return gdb_sys_sync_file_range;
1423 case amd64_sys_vmsplice:
1424 case amd64_x32_sys_vmsplice:
1425 return gdb_sys_vmsplice;
1427 case amd64_sys_move_pages:
1428 case amd64_x32_sys_move_pages:
1429 return gdb_sys_move_pages;
1432 return gdb_sys_no_syscall;
1436 /* Parse the arguments of current system call instruction and record
1437 the values of the registers and memory that will be changed into
1438 "record_full_arch_list". This instruction is "syscall".
1440 Return -1 if something wrong. */
1442 static struct linux_record_tdep amd64_linux_record_tdep;
1443 static struct linux_record_tdep amd64_x32_linux_record_tdep;
1445 #define RECORD_ARCH_GET_FS 0x1003
1446 #define RECORD_ARCH_GET_GS 0x1004
1449 amd64_linux_syscall_record_common (struct regcache *regcache,
1450 struct linux_record_tdep *linux_record_tdep_p)
1453 ULONGEST syscall_native;
1454 enum gdb_syscall syscall_gdb = gdb_sys_no_syscall;
1456 regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native);
1458 switch (syscall_native)
1460 case amd64_sys_rt_sigreturn:
1461 case amd64_x32_sys_rt_sigreturn:
1462 if (amd64_all_but_ip_registers_record (regcache))
1467 case amd64_sys_arch_prctl:
1468 case amd64_x32_sys_arch_prctl:
1471 regcache_raw_read_unsigned (regcache, linux_record_tdep_p->arg3,
1473 if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS)
1477 regcache_raw_read_unsigned (regcache,
1478 linux_record_tdep_p->arg2,
1480 if (record_full_arch_list_add_mem
1481 (addr, linux_record_tdep_p->size_ulong))
1490 = amd64_canonicalize_syscall ((enum amd64_syscall) syscall_native);
1492 if (syscall_gdb == gdb_sys_no_syscall)
1494 printf_unfiltered (_("Process record and replay target doesn't "
1495 "support syscall number %s\n"),
1496 pulongest (syscall_native));
1501 ret = record_linux_system_call (syscall_gdb, regcache,
1502 linux_record_tdep_p);
1508 /* Record the return value of the system call. */
1509 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
1511 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
1518 amd64_linux_syscall_record (struct regcache *regcache)
1520 return amd64_linux_syscall_record_common (regcache,
1521 &amd64_linux_record_tdep);
1525 amd64_x32_linux_syscall_record (struct regcache *regcache)
1527 return amd64_linux_syscall_record_common (regcache,
1528 &amd64_x32_linux_record_tdep);
1531 #define AMD64_LINUX_redzone 128
1532 #define AMD64_LINUX_xstate 512
1533 #define AMD64_LINUX_frame_size 560
1536 amd64_linux_record_signal (struct gdbarch *gdbarch,
1537 struct regcache *regcache,
1538 enum gdb_signal signal)
1542 if (amd64_all_but_ip_registers_record (regcache))
1545 if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM))
1548 /* Record the change in the stack. */
1549 regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp);
1552 rsp -= AMD64_LINUX_redzone;
1553 /* This is for xstate.
1554 sp -= sizeof (struct _fpstate); */
1555 rsp -= AMD64_LINUX_xstate;
1556 /* This is for frame_size.
1557 sp -= sizeof (struct rt_sigframe); */
1558 rsp -= AMD64_LINUX_frame_size;
1559 if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone
1560 + AMD64_LINUX_xstate
1561 + AMD64_LINUX_frame_size))
1564 if (record_full_arch_list_add_end ())
1570 /* Get Linux/x86 target description from core dump. */
1572 static const struct target_desc *
1573 amd64_linux_core_read_description (struct gdbarch *gdbarch,
1574 struct target_ops *target,
1578 uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
1580 switch (xcr0 & X86_XSTATE_ALL_MASK)
1582 case X86_XSTATE_MPX_AVX512_MASK:
1583 case X86_XSTATE_AVX512_MASK:
1584 if (gdbarch_ptr_bit (gdbarch) == 32)
1585 return tdesc_x32_avx512_linux;
1587 return tdesc_amd64_avx512_linux;
1588 case X86_XSTATE_MPX_MASK:
1589 if (gdbarch_ptr_bit (gdbarch) == 32)
1590 return tdesc_x32_avx_linux; /* No x32 MPX falling back to AVX. */
1592 return tdesc_amd64_mpx_linux;
1593 case X86_XSTATE_AVX_MASK:
1594 if (gdbarch_ptr_bit (gdbarch) == 32)
1595 return tdesc_x32_avx_linux;
1597 return tdesc_amd64_avx_linux;
1599 if (gdbarch_ptr_bit (gdbarch) == 32)
1600 return tdesc_x32_linux;
1602 return tdesc_amd64_linux;
1606 /* Similar to amd64_supply_fpregset, but use XSAVE extended state. */
1609 amd64_linux_supply_xstateregset (const struct regset *regset,
1610 struct regcache *regcache, int regnum,
1611 const void *xstateregs, size_t len)
1613 amd64_supply_xsave (regcache, regnum, xstateregs);
1616 /* Similar to amd64_collect_fpregset, but use XSAVE extended state. */
1619 amd64_linux_collect_xstateregset (const struct regset *regset,
1620 const struct regcache *regcache,
1621 int regnum, void *xstateregs, size_t len)
1623 amd64_collect_xsave (regcache, regnum, xstateregs, 1);
1626 static const struct regset amd64_linux_xstateregset =
1629 amd64_linux_supply_xstateregset,
1630 amd64_linux_collect_xstateregset
1633 /* Iterate over core file register note sections. */
1636 amd64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
1637 iterate_over_regset_sections_cb *cb,
1639 const struct regcache *regcache)
1641 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1643 cb (".reg", 27 * 8, &i386_gregset, NULL, cb_data);
1644 cb (".reg2", 512, &amd64_fpregset, NULL, cb_data);
1645 cb (".reg-xstate", X86_XSTATE_SIZE (tdep->xcr0),
1646 &amd64_linux_xstateregset, "XSAVE extended state", cb_data);
1649 /* The instruction sequences used in x86_64 machines for a
1650 disabled is-enabled probe. */
1652 const gdb_byte amd64_dtrace_disabled_probe_sequence_1[] = {
1653 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1658 const gdb_byte amd64_dtrace_disabled_probe_sequence_2[] = {
1659 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1664 /* The instruction sequence used in x86_64 machines for enabling a
1665 DTrace is-enabled probe. */
1667 const gdb_byte amd64_dtrace_enable_probe_sequence[] = {
1668 /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00
1671 /* The instruction sequence used in x86_64 machines for disabling a
1672 DTrace is-enabled probe. */
1674 const gdb_byte amd64_dtrace_disable_probe_sequence[] = {
1675 /* xor %rax, %rax; nop; nop */ 0x48, 0x33, 0xC0, 0x90, 0x90
1678 /* Implementation of `gdbarch_dtrace_probe_is_enabled', as defined in
1682 amd64_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr)
1686 /* This function returns 1 if the instructions at ADDR do _not_
1687 follow any of the amd64_dtrace_disabled_probe_sequence_*
1690 Note that ADDR is offset 3 bytes from the beginning of these
1693 read_code (addr - 3, buf, 5);
1694 return (memcmp (buf, amd64_dtrace_disabled_probe_sequence_1, 5) != 0
1695 && memcmp (buf, amd64_dtrace_disabled_probe_sequence_2, 5) != 0);
1698 /* Implementation of `gdbarch_dtrace_enable_probe', as defined in
1702 amd64_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1704 /* Note also that ADDR is offset 3 bytes from the beginning of
1705 amd64_dtrace_enable_probe_sequence. */
1707 write_memory (addr - 3, amd64_dtrace_enable_probe_sequence, 5);
1710 /* Implementation of `gdbarch_dtrace_disable_probe', as defined in
1714 amd64_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1716 /* Note also that ADDR is offset 3 bytes from the beginning of
1717 amd64_dtrace_disable_probe_sequence. */
1719 write_memory (addr - 3, amd64_dtrace_disable_probe_sequence, 5);
1722 /* Implementation of `gdbarch_dtrace_parse_probe_argument', as defined
1726 amd64_dtrace_parse_probe_argument (struct gdbarch *gdbarch,
1727 struct parser_state *pstate,
1730 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
1731 struct frame_info *this_frame = get_selected_frame (NULL);
1734 /* DTrace probe arguments can be found on the ABI-defined places for
1735 regular arguments at the current PC. The probe abstraction
1736 currently supports up to 12 arguments for probes. */
1740 static const int arg_reg_map[6] =
1742 AMD64_RDI_REGNUM, /* Arg 1. */
1743 AMD64_RSI_REGNUM, /* Arg 2. */
1744 AMD64_RDX_REGNUM, /* Arg 3. */
1745 AMD64_RCX_REGNUM, /* Arg 4. */
1746 AMD64_R8_REGNUM, /* Arg 5. */
1747 AMD64_R9_REGNUM /* Arg 6. */
1749 int regno = arg_reg_map[narg];
1750 const char *regname = user_reg_map_regnum_to_name (gdbarch, regno);
1752 write_exp_elt_opcode (pstate, OP_REGISTER);
1754 str.length = strlen (regname);
1755 write_exp_string (pstate, str);
1756 write_exp_elt_opcode (pstate, OP_REGISTER);
1760 /* Additional arguments are passed on the stack. */
1762 const char *regname = user_reg_map_regnum_to_name (gdbarch, AMD64_RSP_REGNUM);
1765 write_exp_elt_opcode (pstate, OP_LONG);
1766 write_exp_elt_type (pstate, builtin_type (gdbarch)->builtin_long);
1767 write_exp_elt_longcst (pstate, narg - 6);
1768 write_exp_elt_opcode (pstate, OP_LONG);
1771 write_exp_elt_opcode (pstate, OP_REGISTER);
1773 str.length = strlen (regname);
1774 write_exp_string (pstate, str);
1775 write_exp_elt_opcode (pstate, OP_REGISTER);
1777 write_exp_elt_opcode (pstate, BINOP_ADD);
1780 write_exp_elt_opcode (pstate, UNOP_CAST);
1781 write_exp_elt_type (pstate,
1782 lookup_pointer_type (builtin_type (gdbarch)->builtin_long));
1783 write_exp_elt_opcode (pstate, UNOP_CAST);
1785 write_exp_elt_opcode (pstate, UNOP_IND);
1790 amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch)
1792 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1794 linux_init_abi (info, gdbarch);
1796 tdep->sigtramp_p = amd64_linux_sigtramp_p;
1797 tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
1798 tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
1799 tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);
1801 tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET;
1803 /* Add the %orig_rax register used for syscall restarting. */
1804 set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc);
1806 tdep->register_reggroup_p = amd64_linux_register_reggroup_p;
1808 /* Functions for 'catch syscall'. */
1809 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64);
1810 set_gdbarch_get_syscall_number (gdbarch,
1811 amd64_linux_get_syscall_number);
1813 /* Enable TLS support. */
1814 set_gdbarch_fetch_tls_load_module_address (gdbarch,
1815 svr4_fetch_objfile_link_map);
1817 /* GNU/Linux uses SVR4-style shared libraries. */
1818 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
1820 /* GNU/Linux uses the dynamic linker included in the GNU C Library. */
1821 set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
1823 /* Iterate over core file register note sections. */
1824 set_gdbarch_iterate_over_regset_sections
1825 (gdbarch, amd64_linux_iterate_over_regset_sections);
1827 set_gdbarch_core_read_description (gdbarch,
1828 amd64_linux_core_read_description);
1830 /* Displaced stepping. */
1831 set_gdbarch_displaced_step_copy_insn (gdbarch,
1832 amd64_displaced_step_copy_insn);
1833 set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup);
1834 set_gdbarch_displaced_step_free_closure (gdbarch,
1835 simple_displaced_step_free_closure);
1836 set_gdbarch_displaced_step_location (gdbarch,
1837 linux_displaced_step_location);
1839 set_gdbarch_process_record (gdbarch, i386_process_record);
1840 set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
1844 amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
1846 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1847 const struct target_desc *tdesc = info.target_desc;
1848 struct tdesc_arch_data *tdesc_data
1849 = (struct tdesc_arch_data *) info.tdep_info;
1850 const struct tdesc_feature *feature;
1853 gdb_assert (tdesc_data);
1855 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
1856 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
1857 tdep->sizeof_gregset = 27 * 8;
1859 amd64_init_abi (info, gdbarch);
1861 /* Reserve a number for orig_rax. */
1862 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
1864 if (! tdesc_has_registers (tdesc))
1865 tdesc = tdesc_amd64_linux;
1866 tdep->tdesc = tdesc;
1868 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
1869 if (feature == NULL)
1872 valid_p = tdesc_numbered_register (feature, tdesc_data,
1873 AMD64_LINUX_ORIG_RAX_REGNUM,
1878 amd64_linux_init_abi_common (info, gdbarch);
1880 /* Initialize the amd64_linux_record_tdep. */
1881 /* These values are the size of the type that will be used in a system
1882 call. They are obtained from Linux Kernel source. */
1883 amd64_linux_record_tdep.size_pointer
1884 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
1885 amd64_linux_record_tdep.size__old_kernel_stat = 32;
1886 amd64_linux_record_tdep.size_tms = 32;
1887 amd64_linux_record_tdep.size_loff_t = 8;
1888 amd64_linux_record_tdep.size_flock = 32;
1889 amd64_linux_record_tdep.size_oldold_utsname = 45;
1890 amd64_linux_record_tdep.size_ustat = 32;
1891 /* ADM64 doesn't need this size because it doesn't have sys_sigaction
1892 but sys_rt_sigaction. */
1893 amd64_linux_record_tdep.size_old_sigaction = 152;
1894 /* ADM64 doesn't need this size because it doesn't have sys_sigpending
1895 but sys_rt_sigpending. */
1896 amd64_linux_record_tdep.size_old_sigset_t = 128;
1897 amd64_linux_record_tdep.size_rlimit = 16;
1898 amd64_linux_record_tdep.size_rusage = 144;
1899 amd64_linux_record_tdep.size_timeval = 16;
1900 amd64_linux_record_tdep.size_timezone = 8;
1901 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
1902 but sys_getgroups. */
1903 amd64_linux_record_tdep.size_old_gid_t = 2;
1904 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
1905 but sys_getresuid. */
1906 amd64_linux_record_tdep.size_old_uid_t = 2;
1907 amd64_linux_record_tdep.size_fd_set = 128;
1908 amd64_linux_record_tdep.size_dirent = 280;
1909 amd64_linux_record_tdep.size_dirent64 = 280;
1910 amd64_linux_record_tdep.size_statfs = 120;
1911 amd64_linux_record_tdep.size_statfs64 = 120;
1912 amd64_linux_record_tdep.size_sockaddr = 16;
1913 amd64_linux_record_tdep.size_int
1914 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
1915 amd64_linux_record_tdep.size_long
1916 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1917 amd64_linux_record_tdep.size_ulong
1918 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1919 amd64_linux_record_tdep.size_msghdr = 56;
1920 amd64_linux_record_tdep.size_itimerval = 32;
1921 amd64_linux_record_tdep.size_stat = 144;
1922 amd64_linux_record_tdep.size_old_utsname = 325;
1923 amd64_linux_record_tdep.size_sysinfo = 112;
1924 amd64_linux_record_tdep.size_msqid_ds = 120;
1925 amd64_linux_record_tdep.size_shmid_ds = 112;
1926 amd64_linux_record_tdep.size_new_utsname = 390;
1927 amd64_linux_record_tdep.size_timex = 208;
1928 amd64_linux_record_tdep.size_mem_dqinfo = 24;
1929 amd64_linux_record_tdep.size_if_dqblk = 72;
1930 amd64_linux_record_tdep.size_fs_quota_stat = 80;
1931 amd64_linux_record_tdep.size_timespec = 16;
1932 amd64_linux_record_tdep.size_pollfd = 8;
1933 amd64_linux_record_tdep.size_NFS_FHSIZE = 32;
1934 amd64_linux_record_tdep.size_knfsd_fh = 132;
1935 amd64_linux_record_tdep.size_TASK_COMM_LEN = 16;
1936 amd64_linux_record_tdep.size_sigaction = 152;
1937 amd64_linux_record_tdep.size_sigset_t = 128;
1938 amd64_linux_record_tdep.size_siginfo_t = 128;
1939 amd64_linux_record_tdep.size_cap_user_data_t = 8;
1940 amd64_linux_record_tdep.size_stack_t = 24;
1941 amd64_linux_record_tdep.size_off_t = 8;
1942 amd64_linux_record_tdep.size_stat64 = 144;
1943 amd64_linux_record_tdep.size_gid_t = 4;
1944 amd64_linux_record_tdep.size_uid_t = 4;
1945 amd64_linux_record_tdep.size_PAGE_SIZE = 4096;
1946 amd64_linux_record_tdep.size_flock64 = 32;
1947 amd64_linux_record_tdep.size_user_desc = 16;
1948 amd64_linux_record_tdep.size_io_event = 32;
1949 amd64_linux_record_tdep.size_iocb = 64;
1950 amd64_linux_record_tdep.size_epoll_event = 12;
1951 amd64_linux_record_tdep.size_itimerspec = 32;
1952 amd64_linux_record_tdep.size_mq_attr = 64;
1953 amd64_linux_record_tdep.size_siginfo = 128;
1954 amd64_linux_record_tdep.size_termios = 60;
1955 amd64_linux_record_tdep.size_termios2 = 44;
1956 amd64_linux_record_tdep.size_pid_t = 4;
1957 amd64_linux_record_tdep.size_winsize = 8;
1958 amd64_linux_record_tdep.size_serial_struct = 72;
1959 amd64_linux_record_tdep.size_serial_icounter_struct = 80;
1960 amd64_linux_record_tdep.size_hayes_esp_config = 12;
1961 amd64_linux_record_tdep.size_size_t = 8;
1962 amd64_linux_record_tdep.size_iovec = 16;
1964 /* These values are the second argument of system call "sys_fcntl"
1965 and "sys_fcntl64". They are obtained from Linux Kernel source. */
1966 amd64_linux_record_tdep.fcntl_F_GETLK = 5;
1967 amd64_linux_record_tdep.fcntl_F_GETLK64 = 12;
1968 amd64_linux_record_tdep.fcntl_F_SETLK64 = 13;
1969 amd64_linux_record_tdep.fcntl_F_SETLKW64 = 14;
1971 amd64_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
1972 amd64_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
1973 amd64_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
1974 amd64_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
1975 amd64_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
1976 amd64_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
1978 /* These values are the second argument of system call "sys_ioctl".
1979 They are obtained from Linux Kernel source. */
1980 amd64_linux_record_tdep.ioctl_TCGETS = 0x5401;
1981 amd64_linux_record_tdep.ioctl_TCSETS = 0x5402;
1982 amd64_linux_record_tdep.ioctl_TCSETSW = 0x5403;
1983 amd64_linux_record_tdep.ioctl_TCSETSF = 0x5404;
1984 amd64_linux_record_tdep.ioctl_TCGETA = 0x5405;
1985 amd64_linux_record_tdep.ioctl_TCSETA = 0x5406;
1986 amd64_linux_record_tdep.ioctl_TCSETAW = 0x5407;
1987 amd64_linux_record_tdep.ioctl_TCSETAF = 0x5408;
1988 amd64_linux_record_tdep.ioctl_TCSBRK = 0x5409;
1989 amd64_linux_record_tdep.ioctl_TCXONC = 0x540A;
1990 amd64_linux_record_tdep.ioctl_TCFLSH = 0x540B;
1991 amd64_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
1992 amd64_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
1993 amd64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
1994 amd64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
1995 amd64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
1996 amd64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
1997 amd64_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
1998 amd64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
1999 amd64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
2000 amd64_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
2001 amd64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
2002 amd64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
2003 amd64_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
2004 amd64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
2005 amd64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
2006 amd64_linux_record_tdep.ioctl_FIONREAD = 0x541B;
2007 amd64_linux_record_tdep.ioctl_TIOCINQ
2008 = amd64_linux_record_tdep.ioctl_FIONREAD;
2009 amd64_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
2010 amd64_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
2011 amd64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
2012 amd64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
2013 amd64_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
2014 amd64_linux_record_tdep.ioctl_FIONBIO = 0x5421;
2015 amd64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
2016 amd64_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
2017 amd64_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
2018 amd64_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
2019 amd64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
2020 amd64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
2021 amd64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
2022 amd64_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
2023 amd64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
2024 amd64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
2025 amd64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
2026 amd64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
2027 amd64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
2028 amd64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
2029 amd64_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
2030 amd64_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
2031 amd64_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
2032 amd64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
2033 amd64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
2034 amd64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
2035 amd64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
2036 amd64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
2037 amd64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
2038 amd64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
2039 amd64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
2040 amd64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
2041 amd64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
2042 amd64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
2043 amd64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
2044 amd64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
2045 amd64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
2047 tdep->i386_syscall_record = amd64_linux_syscall_record;
2049 /* GNU/Linux uses SVR4-style shared libraries. */
2050 set_solib_svr4_fetch_link_map_offsets
2051 (gdbarch, svr4_lp64_fetch_link_map_offsets);
2053 /* Register DTrace handlers. */
2054 set_gdbarch_dtrace_parse_probe_argument (gdbarch, amd64_dtrace_parse_probe_argument);
2055 set_gdbarch_dtrace_probe_is_enabled (gdbarch, amd64_dtrace_probe_is_enabled);
2056 set_gdbarch_dtrace_enable_probe (gdbarch, amd64_dtrace_enable_probe);
2057 set_gdbarch_dtrace_disable_probe (gdbarch, amd64_dtrace_disable_probe);
2061 amd64_x32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
2063 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2064 const struct target_desc *tdesc = info.target_desc;
2065 struct tdesc_arch_data *tdesc_data
2066 = (struct tdesc_arch_data *) info.tdep_info;
2067 const struct tdesc_feature *feature;
2070 gdb_assert (tdesc_data);
2072 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
2073 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
2074 tdep->sizeof_gregset = 27 * 8;
2076 amd64_x32_init_abi (info, gdbarch);
2078 /* Reserve a number for orig_rax. */
2079 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
2081 if (! tdesc_has_registers (tdesc))
2082 tdesc = tdesc_x32_linux;
2083 tdep->tdesc = tdesc;
2085 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
2086 if (feature == NULL)
2089 valid_p = tdesc_numbered_register (feature, tdesc_data,
2090 AMD64_LINUX_ORIG_RAX_REGNUM,
2095 amd64_linux_init_abi_common (info, gdbarch);
2097 /* Initialize the amd64_x32_linux_record_tdep. */
2098 /* These values are the size of the type that will be used in a system
2099 call. They are obtained from Linux Kernel source. */
2100 amd64_x32_linux_record_tdep.size_pointer
2101 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
2102 amd64_x32_linux_record_tdep.size__old_kernel_stat = 32;
2103 amd64_x32_linux_record_tdep.size_tms = 32;
2104 amd64_x32_linux_record_tdep.size_loff_t = 8;
2105 amd64_x32_linux_record_tdep.size_flock = 32;
2106 amd64_x32_linux_record_tdep.size_oldold_utsname = 45;
2107 amd64_x32_linux_record_tdep.size_ustat = 32;
2108 /* ADM64 doesn't need this size because it doesn't have sys_sigaction
2109 but sys_rt_sigaction. */
2110 amd64_x32_linux_record_tdep.size_old_sigaction = 152;
2111 /* ADM64 doesn't need this size because it doesn't have sys_sigpending
2112 but sys_rt_sigpending. */
2113 amd64_x32_linux_record_tdep.size_old_sigset_t = 128;
2114 amd64_x32_linux_record_tdep.size_rlimit = 16;
2115 amd64_x32_linux_record_tdep.size_rusage = 144;
2116 amd64_x32_linux_record_tdep.size_timeval = 16;
2117 amd64_x32_linux_record_tdep.size_timezone = 8;
2118 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
2119 but sys_getgroups. */
2120 amd64_x32_linux_record_tdep.size_old_gid_t = 2;
2121 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
2122 but sys_getresuid. */
2123 amd64_x32_linux_record_tdep.size_old_uid_t = 2;
2124 amd64_x32_linux_record_tdep.size_fd_set = 128;
2125 amd64_x32_linux_record_tdep.size_dirent = 280;
2126 amd64_x32_linux_record_tdep.size_dirent64 = 280;
2127 amd64_x32_linux_record_tdep.size_statfs = 120;
2128 amd64_x32_linux_record_tdep.size_statfs64 = 120;
2129 amd64_x32_linux_record_tdep.size_sockaddr = 16;
2130 amd64_x32_linux_record_tdep.size_int
2131 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
2132 amd64_x32_linux_record_tdep.size_long
2133 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2134 amd64_x32_linux_record_tdep.size_ulong
2135 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2136 amd64_x32_linux_record_tdep.size_msghdr = 56;
2137 amd64_x32_linux_record_tdep.size_itimerval = 32;
2138 amd64_x32_linux_record_tdep.size_stat = 144;
2139 amd64_x32_linux_record_tdep.size_old_utsname = 325;
2140 amd64_x32_linux_record_tdep.size_sysinfo = 112;
2141 amd64_x32_linux_record_tdep.size_msqid_ds = 120;
2142 amd64_x32_linux_record_tdep.size_shmid_ds = 112;
2143 amd64_x32_linux_record_tdep.size_new_utsname = 390;
2144 amd64_x32_linux_record_tdep.size_timex = 208;
2145 amd64_x32_linux_record_tdep.size_mem_dqinfo = 24;
2146 amd64_x32_linux_record_tdep.size_if_dqblk = 72;
2147 amd64_x32_linux_record_tdep.size_fs_quota_stat = 80;
2148 amd64_x32_linux_record_tdep.size_timespec = 16;
2149 amd64_x32_linux_record_tdep.size_pollfd = 8;
2150 amd64_x32_linux_record_tdep.size_NFS_FHSIZE = 32;
2151 amd64_x32_linux_record_tdep.size_knfsd_fh = 132;
2152 amd64_x32_linux_record_tdep.size_TASK_COMM_LEN = 16;
2153 amd64_x32_linux_record_tdep.size_sigaction = 152;
2154 amd64_x32_linux_record_tdep.size_sigset_t = 128;
2155 amd64_x32_linux_record_tdep.size_siginfo_t = 128;
2156 amd64_x32_linux_record_tdep.size_cap_user_data_t = 8;
2157 amd64_x32_linux_record_tdep.size_stack_t = 24;
2158 amd64_x32_linux_record_tdep.size_off_t = 8;
2159 amd64_x32_linux_record_tdep.size_stat64 = 144;
2160 amd64_x32_linux_record_tdep.size_gid_t = 4;
2161 amd64_x32_linux_record_tdep.size_uid_t = 4;
2162 amd64_x32_linux_record_tdep.size_PAGE_SIZE = 4096;
2163 amd64_x32_linux_record_tdep.size_flock64 = 32;
2164 amd64_x32_linux_record_tdep.size_user_desc = 16;
2165 amd64_x32_linux_record_tdep.size_io_event = 32;
2166 amd64_x32_linux_record_tdep.size_iocb = 64;
2167 amd64_x32_linux_record_tdep.size_epoll_event = 12;
2168 amd64_x32_linux_record_tdep.size_itimerspec = 32;
2169 amd64_x32_linux_record_tdep.size_mq_attr = 64;
2170 amd64_x32_linux_record_tdep.size_siginfo = 128;
2171 amd64_x32_linux_record_tdep.size_termios = 60;
2172 amd64_x32_linux_record_tdep.size_termios2 = 44;
2173 amd64_x32_linux_record_tdep.size_pid_t = 4;
2174 amd64_x32_linux_record_tdep.size_winsize = 8;
2175 amd64_x32_linux_record_tdep.size_serial_struct = 72;
2176 amd64_x32_linux_record_tdep.size_serial_icounter_struct = 80;
2177 amd64_x32_linux_record_tdep.size_hayes_esp_config = 12;
2178 amd64_x32_linux_record_tdep.size_size_t = 8;
2179 amd64_x32_linux_record_tdep.size_iovec = 16;
2181 /* These values are the second argument of system call "sys_fcntl"
2182 and "sys_fcntl64". They are obtained from Linux Kernel source. */
2183 amd64_x32_linux_record_tdep.fcntl_F_GETLK = 5;
2184 amd64_x32_linux_record_tdep.fcntl_F_GETLK64 = 12;
2185 amd64_x32_linux_record_tdep.fcntl_F_SETLK64 = 13;
2186 amd64_x32_linux_record_tdep.fcntl_F_SETLKW64 = 14;
2188 amd64_x32_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
2189 amd64_x32_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
2190 amd64_x32_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
2191 amd64_x32_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
2192 amd64_x32_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
2193 amd64_x32_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
2195 /* These values are the second argument of system call "sys_ioctl".
2196 They are obtained from Linux Kernel source. */
2197 amd64_x32_linux_record_tdep.ioctl_TCGETS = 0x5401;
2198 amd64_x32_linux_record_tdep.ioctl_TCSETS = 0x5402;
2199 amd64_x32_linux_record_tdep.ioctl_TCSETSW = 0x5403;
2200 amd64_x32_linux_record_tdep.ioctl_TCSETSF = 0x5404;
2201 amd64_x32_linux_record_tdep.ioctl_TCGETA = 0x5405;
2202 amd64_x32_linux_record_tdep.ioctl_TCSETA = 0x5406;
2203 amd64_x32_linux_record_tdep.ioctl_TCSETAW = 0x5407;
2204 amd64_x32_linux_record_tdep.ioctl_TCSETAF = 0x5408;
2205 amd64_x32_linux_record_tdep.ioctl_TCSBRK = 0x5409;
2206 amd64_x32_linux_record_tdep.ioctl_TCXONC = 0x540A;
2207 amd64_x32_linux_record_tdep.ioctl_TCFLSH = 0x540B;
2208 amd64_x32_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
2209 amd64_x32_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
2210 amd64_x32_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
2211 amd64_x32_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
2212 amd64_x32_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
2213 amd64_x32_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
2214 amd64_x32_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
2215 amd64_x32_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
2216 amd64_x32_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
2217 amd64_x32_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
2218 amd64_x32_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
2219 amd64_x32_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
2220 amd64_x32_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
2221 amd64_x32_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
2222 amd64_x32_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
2223 amd64_x32_linux_record_tdep.ioctl_FIONREAD = 0x541B;
2224 amd64_x32_linux_record_tdep.ioctl_TIOCINQ = amd64_x32_linux_record_tdep.ioctl_FIONREAD;
2225 amd64_x32_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
2226 amd64_x32_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
2227 amd64_x32_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
2228 amd64_x32_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
2229 amd64_x32_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
2230 amd64_x32_linux_record_tdep.ioctl_FIONBIO = 0x5421;
2231 amd64_x32_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
2232 amd64_x32_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
2233 amd64_x32_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
2234 amd64_x32_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
2235 amd64_x32_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
2236 amd64_x32_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
2237 amd64_x32_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
2238 amd64_x32_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
2239 amd64_x32_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
2240 amd64_x32_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
2241 amd64_x32_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
2242 amd64_x32_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
2243 amd64_x32_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
2244 amd64_x32_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
2245 amd64_x32_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
2246 amd64_x32_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
2247 amd64_x32_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
2248 amd64_x32_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
2249 amd64_x32_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
2250 amd64_x32_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
2251 amd64_x32_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
2252 amd64_x32_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
2253 amd64_x32_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
2254 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
2255 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
2256 amd64_x32_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
2257 amd64_x32_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
2258 amd64_x32_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
2259 amd64_x32_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
2260 amd64_x32_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
2261 amd64_x32_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
2263 tdep->i386_syscall_record = amd64_x32_linux_syscall_record;
2265 /* GNU/Linux uses SVR4-style shared libraries. */
2266 set_solib_svr4_fetch_link_map_offsets
2267 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
2271 /* Provide a prototype to silence -Wmissing-prototypes. */
2272 extern void _initialize_amd64_linux_tdep (void);
2275 _initialize_amd64_linux_tdep (void)
2277 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
2278 GDB_OSABI_LINUX, amd64_linux_init_abi);
2279 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32,
2280 GDB_OSABI_LINUX, amd64_x32_linux_init_abi);
2282 /* Initialize the Linux target description. */
2283 initialize_tdesc_amd64_linux ();
2284 initialize_tdesc_amd64_avx_linux ();
2285 initialize_tdesc_amd64_mpx_linux ();
2286 initialize_tdesc_amd64_avx512_linux ();
2288 initialize_tdesc_x32_linux ();
2289 initialize_tdesc_x32_avx_linux ();
2290 initialize_tdesc_x32_avx512_linux ();