1 /* Target-dependent code for GNU/Linux x86-64.
3 Copyright (C) 2001-2019 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 "gdbsupport/x86-xstate.h"
38 #include "amd64-tdep.h"
39 #include "solib-svr4.h"
40 #include "xml-syscall.h"
41 #include "glibc-tdep.h"
42 #include "arch/amd64.h"
43 #include "target-descriptions.h"
45 /* The syscall's XML filename for i386. */
46 #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml"
48 #include "record-full.h"
49 #include "linux-record.h"
51 /* Mapping between the general-purpose registers in `struct user'
52 format and GDB's register cache layout. */
54 /* From <sys/reg.h>. */
55 int amd64_linux_gregset_reg_offset[] =
81 -1, -1, -1, -1, -1, -1, -1, -1,
82 -1, -1, -1, -1, -1, -1, -1, -1,
83 -1, -1, -1, -1, -1, -1, -1, -1,
84 -1, -1, -1, -1, -1, -1, -1, -1, -1,
85 -1, -1, -1, -1, -1, -1, -1, -1,
86 -1, -1, -1, -1, -1, -1, -1, -1,
87 -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */
88 -1, -1, /* MPX registers BNDCFGU and BNDSTATUS. */
89 -1, -1, -1, -1, -1, -1, -1, -1, /* xmm16 ... xmm31 (AVX512) */
90 -1, -1, -1, -1, -1, -1, -1, -1,
91 -1, -1, -1, -1, -1, -1, -1, -1, /* ymm16 ... ymm31 (AVX512) */
92 -1, -1, -1, -1, -1, -1, -1, -1,
93 -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */
94 -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm31 (AVX512) */
95 -1, -1, -1, -1, -1, -1, -1, -1,
96 -1, -1, -1, -1, -1, -1, -1, -1,
97 -1, -1, -1, -1, -1, -1, -1, -1,
98 -1, /* PKEYS register pkru */
100 /* End of hardware registers */
101 21 * 8, 22 * 8, /* fs_base and gs_base. */
102 15 * 8 /* "orig_rax" */
106 /* Support for signal handlers. */
108 #define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */
109 #define LINUX_SIGTRAMP_OFFSET0 0
110 #define LINUX_SIGTRAMP_INSN1 0x0f /* syscall */
111 #define LINUX_SIGTRAMP_OFFSET1 7
113 static const gdb_byte amd64_linux_sigtramp_code[] =
115 /* mov $__NR_rt_sigreturn, %rax */
116 LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00,
118 LINUX_SIGTRAMP_INSN1, 0x05
121 static const gdb_byte amd64_x32_linux_sigtramp_code[] =
123 /* mov $__NR_rt_sigreturn, %rax. */
124 LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x01, 0x02, 0x00, 0x40,
126 LINUX_SIGTRAMP_INSN1, 0x05
129 #define LINUX_SIGTRAMP_LEN (sizeof amd64_linux_sigtramp_code)
131 /* If PC is in a sigtramp routine, return the address of the start of
132 the routine. Otherwise, return 0. */
135 amd64_linux_sigtramp_start (struct frame_info *this_frame)
137 struct gdbarch *gdbarch;
138 const gdb_byte *sigtramp_code;
139 CORE_ADDR pc = get_frame_pc (this_frame);
140 gdb_byte buf[LINUX_SIGTRAMP_LEN];
142 /* We only recognize a signal trampoline if PC is at the start of
143 one of the two instructions. We optimize for finding the PC at
144 the start, as will be the case when the trampoline is not the
145 first frame on the stack. We assume that in the case where the
146 PC is not at the start of the instruction sequence, there will be
147 a few trailing readable bytes on the stack. */
149 if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
152 if (buf[0] != LINUX_SIGTRAMP_INSN0)
154 if (buf[0] != LINUX_SIGTRAMP_INSN1)
157 pc -= LINUX_SIGTRAMP_OFFSET1;
158 if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
162 gdbarch = get_frame_arch (this_frame);
163 if (gdbarch_ptr_bit (gdbarch) == 32)
164 sigtramp_code = amd64_x32_linux_sigtramp_code;
166 sigtramp_code = amd64_linux_sigtramp_code;
167 if (memcmp (buf, sigtramp_code, LINUX_SIGTRAMP_LEN) != 0)
173 /* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp
177 amd64_linux_sigtramp_p (struct frame_info *this_frame)
179 CORE_ADDR pc = get_frame_pc (this_frame);
182 find_pc_partial_function (pc, &name, NULL, NULL);
184 /* If we have NAME, we can optimize the search. The trampoline is
185 named __restore_rt. However, it isn't dynamically exported from
186 the shared C library, so the trampoline may appear to be part of
187 the preceding function. This should always be sigaction,
188 __sigaction, or __libc_sigaction (all aliases to the same
190 if (name == NULL || strstr (name, "sigaction") != NULL)
191 return (amd64_linux_sigtramp_start (this_frame) != 0);
193 return (strcmp ("__restore_rt", name) == 0);
196 /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */
197 #define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40
199 /* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the
200 address of the associated sigcontext structure. */
203 amd64_linux_sigcontext_addr (struct frame_info *this_frame)
205 struct gdbarch *gdbarch = get_frame_arch (this_frame);
206 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
210 get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
211 sp = extract_unsigned_integer (buf, 8, byte_order);
213 /* The sigcontext structure is part of the user context. A pointer
214 to the user context is passed as the third argument to the signal
215 handler, i.e. in %rdx. Unfortunately %rdx isn't preserved across
216 function calls so we can't use it. Fortunately the user context
217 is part of the signal frame and the unwound %rsp directly points
219 return sp + AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
224 amd64_linux_get_syscall_number (struct gdbarch *gdbarch,
227 struct regcache *regcache = get_thread_regcache (thread);
228 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
229 /* The content of a register. */
234 /* Getting the system call number from the register.
235 When dealing with x86_64 architecture, this information
236 is stored at %rax register. */
237 regcache->cooked_read (AMD64_LINUX_ORIG_RAX_REGNUM, buf);
239 ret = extract_signed_integer (buf, 8, byte_order);
245 /* From <asm/sigcontext.h>. */
246 static int amd64_linux_sc_reg_offset[] =
265 17 * 8, /* %eflags */
267 /* FIXME: kettenis/2002030531: The registers %cs, %fs and %gs are
268 available in `struct sigcontext'. However, they only occupy two
269 bytes instead of four, which makes using them here rather
270 difficult. Leave them out for now. */
280 amd64_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
281 struct reggroup *group)
283 if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM
284 || regnum == AMD64_FSBASE_REGNUM
285 || regnum == AMD64_GSBASE_REGNUM)
286 return (group == system_reggroup
287 || group == save_reggroup
288 || group == restore_reggroup);
289 return i386_register_reggroup_p (gdbarch, regnum, group);
292 /* Set the program counter for process PTID to PC. */
295 amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
297 regcache_cooked_write_unsigned (regcache, AMD64_RIP_REGNUM, pc);
299 /* We must be careful with modifying the program counter. If we
300 just interrupted a system call, the kernel might try to restart
301 it when we resume the inferior. On restarting the system call,
302 the kernel will try backing up the program counter even though it
303 no longer points at the system call. This typically results in a
304 SIGSEGV or SIGILL. We can prevent this by writing `-1' in the
305 "orig_rax" pseudo-register.
307 Note that "orig_rax" is saved when setting up a dummy call frame.
308 This means that it is properly restored when that frame is
309 popped, and that the interrupted system call will be restarted
310 when we resume the inferior on return from a function call from
311 within GDB. In all other cases the system call will not be
313 regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1);
316 /* Record all registers but IP register for process-record. */
319 amd64_all_but_ip_registers_record (struct regcache *regcache)
321 if (record_full_arch_list_add_reg (regcache, AMD64_RAX_REGNUM))
323 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
325 if (record_full_arch_list_add_reg (regcache, AMD64_RDX_REGNUM))
327 if (record_full_arch_list_add_reg (regcache, AMD64_RBX_REGNUM))
329 if (record_full_arch_list_add_reg (regcache, AMD64_RSP_REGNUM))
331 if (record_full_arch_list_add_reg (regcache, AMD64_RBP_REGNUM))
333 if (record_full_arch_list_add_reg (regcache, AMD64_RSI_REGNUM))
335 if (record_full_arch_list_add_reg (regcache, AMD64_RDI_REGNUM))
337 if (record_full_arch_list_add_reg (regcache, AMD64_R8_REGNUM))
339 if (record_full_arch_list_add_reg (regcache, AMD64_R9_REGNUM))
341 if (record_full_arch_list_add_reg (regcache, AMD64_R10_REGNUM))
343 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
345 if (record_full_arch_list_add_reg (regcache, AMD64_R12_REGNUM))
347 if (record_full_arch_list_add_reg (regcache, AMD64_R13_REGNUM))
349 if (record_full_arch_list_add_reg (regcache, AMD64_R14_REGNUM))
351 if (record_full_arch_list_add_reg (regcache, AMD64_R15_REGNUM))
353 if (record_full_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM))
359 /* amd64_canonicalize_syscall maps from the native amd64 Linux set
360 of syscall ids into a canonical set of syscall ids used by
363 static enum gdb_syscall
364 amd64_canonicalize_syscall (enum amd64_syscall syscall_number)
367 DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
369 switch (syscall_number) {
371 case amd64_x32_sys_read:
374 case amd64_sys_write:
375 case amd64_x32_sys_write:
376 return gdb_sys_write;
379 case amd64_x32_sys_open:
382 case amd64_sys_close:
383 case amd64_x32_sys_close:
384 return gdb_sys_close;
386 case amd64_sys_newstat:
387 case amd64_x32_sys_newstat:
388 return gdb_sys_newstat;
390 case amd64_sys_newfstat:
391 case amd64_x32_sys_newfstat:
392 return gdb_sys_newfstat;
394 case amd64_sys_newlstat:
395 case amd64_x32_sys_newlstat:
396 return gdb_sys_newlstat;
399 case amd64_x32_sys_poll:
402 case amd64_sys_lseek:
403 case amd64_x32_sys_lseek:
404 return gdb_sys_lseek;
407 case amd64_x32_sys_mmap:
408 return gdb_sys_mmap2;
410 case amd64_sys_mprotect:
411 case amd64_x32_sys_mprotect:
412 return gdb_sys_mprotect;
414 case amd64_sys_munmap:
415 case amd64_x32_sys_munmap:
416 return gdb_sys_munmap;
419 case amd64_x32_sys_brk:
422 case amd64_sys_rt_sigaction:
423 case amd64_x32_sys_rt_sigaction:
424 return gdb_sys_rt_sigaction;
426 case amd64_sys_rt_sigprocmask:
427 case amd64_x32_sys_rt_sigprocmask:
428 return gdb_sys_rt_sigprocmask;
430 case amd64_sys_rt_sigreturn:
431 case amd64_x32_sys_rt_sigreturn:
432 return gdb_sys_rt_sigreturn;
434 case amd64_sys_ioctl:
435 case amd64_x32_sys_ioctl:
436 return gdb_sys_ioctl;
438 case amd64_sys_pread64:
439 case amd64_x32_sys_pread64:
440 return gdb_sys_pread64;
442 case amd64_sys_pwrite64:
443 case amd64_x32_sys_pwrite64:
444 return gdb_sys_pwrite64;
446 case amd64_sys_readv:
447 case amd64_x32_sys_readv:
448 return gdb_sys_readv;
450 case amd64_sys_writev:
451 case amd64_x32_sys_writev:
452 return gdb_sys_writev;
454 case amd64_sys_access:
455 case amd64_x32_sys_access:
456 return gdb_sys_access;
459 case amd64_x32_sys_pipe:
462 case amd64_sys_select:
463 case amd64_x32_sys_select:
464 return gdb_sys_select;
466 case amd64_sys_sched_yield:
467 case amd64_x32_sys_sched_yield:
468 return gdb_sys_sched_yield;
470 case amd64_sys_mremap:
471 case amd64_x32_sys_mremap:
472 return gdb_sys_mremap;
474 case amd64_sys_msync:
475 case amd64_x32_sys_msync:
476 return gdb_sys_msync;
478 case amd64_sys_mincore:
479 case amd64_x32_sys_mincore:
480 return gdb_sys_mincore;
482 case amd64_sys_madvise:
483 case amd64_x32_sys_madvise:
484 return gdb_sys_madvise;
486 case amd64_sys_shmget:
487 case amd64_x32_sys_shmget:
488 return gdb_sys_shmget;
490 case amd64_sys_shmat:
491 case amd64_x32_sys_shmat:
492 return gdb_sys_shmat;
494 case amd64_sys_shmctl:
495 case amd64_x32_sys_shmctl:
496 return gdb_sys_shmctl;
499 case amd64_x32_sys_dup:
503 case amd64_x32_sys_dup2:
506 case amd64_sys_pause:
507 case amd64_x32_sys_pause:
508 return gdb_sys_pause;
510 case amd64_sys_nanosleep:
511 case amd64_x32_sys_nanosleep:
512 return gdb_sys_nanosleep;
514 case amd64_sys_getitimer:
515 case amd64_x32_sys_getitimer:
516 return gdb_sys_getitimer;
518 case amd64_sys_alarm:
519 case amd64_x32_sys_alarm:
520 return gdb_sys_alarm;
522 case amd64_sys_setitimer:
523 case amd64_x32_sys_setitimer:
524 return gdb_sys_setitimer;
526 case amd64_sys_getpid:
527 case amd64_x32_sys_getpid:
528 return gdb_sys_getpid;
530 case amd64_sys_sendfile64:
531 case amd64_x32_sys_sendfile64:
532 return gdb_sys_sendfile64;
534 case amd64_sys_socket:
535 case amd64_x32_sys_socket:
536 return gdb_sys_socket;
538 case amd64_sys_connect:
539 case amd64_x32_sys_connect:
540 return gdb_sys_connect;
542 case amd64_sys_accept:
543 case amd64_x32_sys_accept:
544 return gdb_sys_accept;
546 case amd64_sys_sendto:
547 case amd64_x32_sys_sendto:
548 return gdb_sys_sendto;
550 case amd64_sys_recvfrom:
551 case amd64_x32_sys_recvfrom:
552 return gdb_sys_recvfrom;
554 case amd64_sys_sendmsg:
555 case amd64_x32_sys_sendmsg:
556 return gdb_sys_sendmsg;
558 case amd64_sys_recvmsg:
559 case amd64_x32_sys_recvmsg:
560 return gdb_sys_recvmsg;
562 case amd64_sys_shutdown:
563 case amd64_x32_sys_shutdown:
564 return gdb_sys_shutdown;
567 case amd64_x32_sys_bind:
570 case amd64_sys_listen:
571 case amd64_x32_sys_listen:
572 return gdb_sys_listen;
574 case amd64_sys_getsockname:
575 case amd64_x32_sys_getsockname:
576 return gdb_sys_getsockname;
578 case amd64_sys_getpeername:
579 case amd64_x32_sys_getpeername:
580 return gdb_sys_getpeername;
582 case amd64_sys_socketpair:
583 case amd64_x32_sys_socketpair:
584 return gdb_sys_socketpair;
586 case amd64_sys_setsockopt:
587 case amd64_x32_sys_setsockopt:
588 return gdb_sys_setsockopt;
590 case amd64_sys_getsockopt:
591 case amd64_x32_sys_getsockopt:
592 return gdb_sys_getsockopt;
594 case amd64_sys_clone:
595 case amd64_x32_sys_clone:
596 return gdb_sys_clone;
599 case amd64_x32_sys_fork:
602 case amd64_sys_vfork:
603 case amd64_x32_sys_vfork:
604 return gdb_sys_vfork;
606 case amd64_sys_execve:
607 case amd64_x32_sys_execve:
608 return gdb_sys_execve;
611 case amd64_x32_sys_exit:
614 case amd64_sys_wait4:
615 case amd64_x32_sys_wait4:
616 return gdb_sys_wait4;
619 case amd64_x32_sys_kill:
622 case amd64_sys_uname:
623 case amd64_x32_sys_uname:
624 return gdb_sys_uname;
626 case amd64_sys_semget:
627 case amd64_x32_sys_semget:
628 return gdb_sys_semget;
630 case amd64_sys_semop:
631 case amd64_x32_sys_semop:
632 return gdb_sys_semop;
634 case amd64_sys_semctl:
635 case amd64_x32_sys_semctl:
636 return gdb_sys_semctl;
638 case amd64_sys_shmdt:
639 case amd64_x32_sys_shmdt:
640 return gdb_sys_shmdt;
642 case amd64_sys_msgget:
643 case amd64_x32_sys_msgget:
644 return gdb_sys_msgget;
646 case amd64_sys_msgsnd:
647 case amd64_x32_sys_msgsnd:
648 return gdb_sys_msgsnd;
650 case amd64_sys_msgrcv:
651 case amd64_x32_sys_msgrcv:
652 return gdb_sys_msgrcv;
654 case amd64_sys_msgctl:
655 case amd64_x32_sys_msgctl:
656 return gdb_sys_msgctl;
658 case amd64_sys_fcntl:
659 case amd64_x32_sys_fcntl:
660 return gdb_sys_fcntl;
662 case amd64_sys_flock:
663 case amd64_x32_sys_flock:
664 return gdb_sys_flock;
666 case amd64_sys_fsync:
667 case amd64_x32_sys_fsync:
668 return gdb_sys_fsync;
670 case amd64_sys_fdatasync:
671 case amd64_x32_sys_fdatasync:
672 return gdb_sys_fdatasync;
674 case amd64_sys_truncate:
675 case amd64_x32_sys_truncate:
676 return gdb_sys_truncate;
678 case amd64_sys_ftruncate:
679 case amd64_x32_sys_ftruncate:
680 return gdb_sys_ftruncate;
682 case amd64_sys_getdents:
683 case amd64_x32_sys_getdents:
684 return gdb_sys_getdents;
686 case amd64_sys_getcwd:
687 case amd64_x32_sys_getcwd:
688 return gdb_sys_getcwd;
690 case amd64_sys_chdir:
691 case amd64_x32_sys_chdir:
692 return gdb_sys_chdir;
694 case amd64_sys_fchdir:
695 case amd64_x32_sys_fchdir:
696 return gdb_sys_fchdir;
698 case amd64_sys_rename:
699 case amd64_x32_sys_rename:
700 return gdb_sys_rename;
702 case amd64_sys_mkdir:
703 case amd64_x32_sys_mkdir:
704 return gdb_sys_mkdir;
706 case amd64_sys_rmdir:
707 case amd64_x32_sys_rmdir:
708 return gdb_sys_rmdir;
710 case amd64_sys_creat:
711 case amd64_x32_sys_creat:
712 return gdb_sys_creat;
715 case amd64_x32_sys_link:
718 case amd64_sys_unlink:
719 case amd64_x32_sys_unlink:
720 return gdb_sys_unlink;
722 case amd64_sys_symlink:
723 case amd64_x32_sys_symlink:
724 return gdb_sys_symlink;
726 case amd64_sys_readlink:
727 case amd64_x32_sys_readlink:
728 return gdb_sys_readlink;
730 case amd64_sys_chmod:
731 case amd64_x32_sys_chmod:
732 return gdb_sys_chmod;
734 case amd64_sys_fchmod:
735 case amd64_x32_sys_fchmod:
736 return gdb_sys_fchmod;
738 case amd64_sys_chown:
739 case amd64_x32_sys_chown:
740 return gdb_sys_chown;
742 case amd64_sys_fchown:
743 case amd64_x32_sys_fchown:
744 return gdb_sys_fchown;
746 case amd64_sys_lchown:
747 case amd64_x32_sys_lchown:
748 return gdb_sys_lchown;
750 case amd64_sys_umask:
751 case amd64_x32_sys_umask:
752 return gdb_sys_umask;
754 case amd64_sys_gettimeofday:
755 case amd64_x32_sys_gettimeofday:
756 return gdb_sys_gettimeofday;
758 case amd64_sys_getrlimit:
759 case amd64_x32_sys_getrlimit:
760 return gdb_sys_getrlimit;
762 case amd64_sys_getrusage:
763 case amd64_x32_sys_getrusage:
764 return gdb_sys_getrusage;
766 case amd64_sys_sysinfo:
767 case amd64_x32_sys_sysinfo:
768 return gdb_sys_sysinfo;
770 case amd64_sys_times:
771 case amd64_x32_sys_times:
772 return gdb_sys_times;
774 case amd64_sys_ptrace:
775 case amd64_x32_sys_ptrace:
776 return gdb_sys_ptrace;
778 case amd64_sys_getuid:
779 case amd64_x32_sys_getuid:
780 return gdb_sys_getuid;
782 case amd64_sys_syslog:
783 case amd64_x32_sys_syslog:
784 return gdb_sys_syslog;
786 case amd64_sys_getgid:
787 case amd64_x32_sys_getgid:
788 return gdb_sys_getgid;
790 case amd64_sys_setuid:
791 case amd64_x32_sys_setuid:
792 return gdb_sys_setuid;
794 case amd64_sys_setgid:
795 case amd64_x32_sys_setgid:
796 return gdb_sys_setgid;
798 case amd64_sys_geteuid:
799 case amd64_x32_sys_geteuid:
800 return gdb_sys_geteuid;
802 case amd64_sys_getegid:
803 case amd64_x32_sys_getegid:
804 return gdb_sys_getegid;
806 case amd64_sys_setpgid:
807 case amd64_x32_sys_setpgid:
808 return gdb_sys_setpgid;
810 case amd64_sys_getppid:
811 case amd64_x32_sys_getppid:
812 return gdb_sys_getppid;
814 case amd64_sys_getpgrp:
815 case amd64_x32_sys_getpgrp:
816 return gdb_sys_getpgrp;
818 case amd64_sys_setsid:
819 case amd64_x32_sys_setsid:
820 return gdb_sys_setsid;
822 case amd64_sys_setreuid:
823 case amd64_x32_sys_setreuid:
824 return gdb_sys_setreuid;
826 case amd64_sys_setregid:
827 case amd64_x32_sys_setregid:
828 return gdb_sys_setregid;
830 case amd64_sys_getgroups:
831 case amd64_x32_sys_getgroups:
832 return gdb_sys_getgroups;
834 case amd64_sys_setgroups:
835 case amd64_x32_sys_setgroups:
836 return gdb_sys_setgroups;
838 case amd64_sys_setresuid:
839 case amd64_x32_sys_setresuid:
840 return gdb_sys_setresuid;
842 case amd64_sys_getresuid:
843 case amd64_x32_sys_getresuid:
844 return gdb_sys_getresuid;
846 case amd64_sys_setresgid:
847 case amd64_x32_sys_setresgid:
848 return gdb_sys_setresgid;
850 case amd64_sys_getresgid:
851 case amd64_x32_sys_getresgid:
852 return gdb_sys_getresgid;
854 case amd64_sys_getpgid:
855 case amd64_x32_sys_getpgid:
856 return gdb_sys_getpgid;
858 case amd64_sys_setfsuid:
859 case amd64_x32_sys_setfsuid:
860 return gdb_sys_setfsuid;
862 case amd64_sys_setfsgid:
863 case amd64_x32_sys_setfsgid:
864 return gdb_sys_setfsgid;
866 case amd64_sys_getsid:
867 case amd64_x32_sys_getsid:
868 return gdb_sys_getsid;
870 case amd64_sys_capget:
871 case amd64_x32_sys_capget:
872 return gdb_sys_capget;
874 case amd64_sys_capset:
875 case amd64_x32_sys_capset:
876 return gdb_sys_capset;
878 case amd64_sys_rt_sigpending:
879 case amd64_x32_sys_rt_sigpending:
880 return gdb_sys_rt_sigpending;
882 case amd64_sys_rt_sigtimedwait:
883 case amd64_x32_sys_rt_sigtimedwait:
884 return gdb_sys_rt_sigtimedwait;
886 case amd64_sys_rt_sigqueueinfo:
887 case amd64_x32_sys_rt_sigqueueinfo:
888 return gdb_sys_rt_sigqueueinfo;
890 case amd64_sys_rt_sigsuspend:
891 case amd64_x32_sys_rt_sigsuspend:
892 return gdb_sys_rt_sigsuspend;
894 case amd64_sys_sigaltstack:
895 case amd64_x32_sys_sigaltstack:
896 return gdb_sys_sigaltstack;
898 case amd64_sys_utime:
899 case amd64_x32_sys_utime:
900 return gdb_sys_utime;
902 case amd64_sys_mknod:
903 case amd64_x32_sys_mknod:
904 return gdb_sys_mknod;
906 case amd64_sys_personality:
907 case amd64_x32_sys_personality:
908 return gdb_sys_personality;
910 case amd64_sys_ustat:
911 case amd64_x32_sys_ustat:
912 return gdb_sys_ustat;
914 case amd64_sys_statfs:
915 case amd64_x32_sys_statfs:
916 return gdb_sys_statfs;
918 case amd64_sys_fstatfs:
919 case amd64_x32_sys_fstatfs:
920 return gdb_sys_fstatfs;
922 case amd64_sys_sysfs:
923 case amd64_x32_sys_sysfs:
924 return gdb_sys_sysfs;
926 case amd64_sys_getpriority:
927 case amd64_x32_sys_getpriority:
928 return gdb_sys_getpriority;
930 case amd64_sys_setpriority:
931 case amd64_x32_sys_setpriority:
932 return gdb_sys_setpriority;
934 case amd64_sys_sched_setparam:
935 case amd64_x32_sys_sched_setparam:
936 return gdb_sys_sched_setparam;
938 case amd64_sys_sched_getparam:
939 case amd64_x32_sys_sched_getparam:
940 return gdb_sys_sched_getparam;
942 case amd64_sys_sched_setscheduler:
943 case amd64_x32_sys_sched_setscheduler:
944 return gdb_sys_sched_setscheduler;
946 case amd64_sys_sched_getscheduler:
947 case amd64_x32_sys_sched_getscheduler:
948 return gdb_sys_sched_getscheduler;
950 case amd64_sys_sched_get_priority_max:
951 case amd64_x32_sys_sched_get_priority_max:
952 return gdb_sys_sched_get_priority_max;
954 case amd64_sys_sched_get_priority_min:
955 case amd64_x32_sys_sched_get_priority_min:
956 return gdb_sys_sched_get_priority_min;
958 case amd64_sys_sched_rr_get_interval:
959 case amd64_x32_sys_sched_rr_get_interval:
960 return gdb_sys_sched_rr_get_interval;
962 case amd64_sys_mlock:
963 case amd64_x32_sys_mlock:
964 return gdb_sys_mlock;
966 case amd64_sys_munlock:
967 case amd64_x32_sys_munlock:
968 return gdb_sys_munlock;
970 case amd64_sys_mlockall:
971 case amd64_x32_sys_mlockall:
972 return gdb_sys_mlockall;
974 case amd64_sys_munlockall:
975 case amd64_x32_sys_munlockall:
976 return gdb_sys_munlockall;
978 case amd64_sys_vhangup:
979 case amd64_x32_sys_vhangup:
980 return gdb_sys_vhangup;
982 case amd64_sys_modify_ldt:
983 case amd64_x32_sys_modify_ldt:
984 return gdb_sys_modify_ldt;
986 case amd64_sys_pivot_root:
987 case amd64_x32_sys_pivot_root:
988 return gdb_sys_pivot_root;
990 case amd64_sys_sysctl:
991 case amd64_x32_sys_sysctl:
992 return gdb_sys_sysctl;
994 case amd64_sys_prctl:
995 case amd64_x32_sys_prctl:
996 return gdb_sys_prctl;
998 case amd64_sys_arch_prctl:
999 case amd64_x32_sys_arch_prctl:
1000 return gdb_sys_no_syscall; /* Note */
1002 case amd64_sys_adjtimex:
1003 case amd64_x32_sys_adjtimex:
1004 return gdb_sys_adjtimex;
1006 case amd64_sys_setrlimit:
1007 case amd64_x32_sys_setrlimit:
1008 return gdb_sys_setrlimit;
1010 case amd64_sys_chroot:
1011 case amd64_x32_sys_chroot:
1012 return gdb_sys_chroot;
1014 case amd64_sys_sync:
1015 case amd64_x32_sys_sync:
1016 return gdb_sys_sync;
1018 case amd64_sys_acct:
1019 case amd64_x32_sys_acct:
1020 return gdb_sys_acct;
1022 case amd64_sys_settimeofday:
1023 case amd64_x32_sys_settimeofday:
1024 return gdb_sys_settimeofday;
1026 case amd64_sys_mount:
1027 case amd64_x32_sys_mount:
1028 return gdb_sys_mount;
1030 case amd64_sys_umount:
1031 case amd64_x32_sys_umount:
1032 return gdb_sys_umount;
1034 case amd64_sys_swapon:
1035 case amd64_x32_sys_swapon:
1036 return gdb_sys_swapon;
1038 case amd64_sys_swapoff:
1039 case amd64_x32_sys_swapoff:
1040 return gdb_sys_swapoff;
1042 case amd64_sys_reboot:
1043 case amd64_x32_sys_reboot:
1044 return gdb_sys_reboot;
1046 case amd64_sys_sethostname:
1047 case amd64_x32_sys_sethostname:
1048 return gdb_sys_sethostname;
1050 case amd64_sys_setdomainname:
1051 case amd64_x32_sys_setdomainname:
1052 return gdb_sys_setdomainname;
1054 case amd64_sys_iopl:
1055 case amd64_x32_sys_iopl:
1056 return gdb_sys_iopl;
1058 case amd64_sys_ioperm:
1059 case amd64_x32_sys_ioperm:
1060 return gdb_sys_ioperm;
1062 case amd64_sys_init_module:
1063 case amd64_x32_sys_init_module:
1064 return gdb_sys_init_module;
1066 case amd64_sys_delete_module:
1067 case amd64_x32_sys_delete_module:
1068 return gdb_sys_delete_module;
1070 case amd64_sys_quotactl:
1071 case amd64_x32_sys_quotactl:
1072 return gdb_sys_quotactl;
1074 case amd64_sys_nfsservctl:
1075 return gdb_sys_nfsservctl;
1077 case amd64_sys_gettid:
1078 case amd64_x32_sys_gettid:
1079 return gdb_sys_gettid;
1081 case amd64_sys_readahead:
1082 case amd64_x32_sys_readahead:
1083 return gdb_sys_readahead;
1085 case amd64_sys_setxattr:
1086 case amd64_x32_sys_setxattr:
1087 return gdb_sys_setxattr;
1089 case amd64_sys_lsetxattr:
1090 case amd64_x32_sys_lsetxattr:
1091 return gdb_sys_lsetxattr;
1093 case amd64_sys_fsetxattr:
1094 case amd64_x32_sys_fsetxattr:
1095 return gdb_sys_fsetxattr;
1097 case amd64_sys_getxattr:
1098 case amd64_x32_sys_getxattr:
1099 return gdb_sys_getxattr;
1101 case amd64_sys_lgetxattr:
1102 case amd64_x32_sys_lgetxattr:
1103 return gdb_sys_lgetxattr;
1105 case amd64_sys_fgetxattr:
1106 case amd64_x32_sys_fgetxattr:
1107 return gdb_sys_fgetxattr;
1109 case amd64_sys_listxattr:
1110 case amd64_x32_sys_listxattr:
1111 return gdb_sys_listxattr;
1113 case amd64_sys_llistxattr:
1114 case amd64_x32_sys_llistxattr:
1115 return gdb_sys_llistxattr;
1117 case amd64_sys_flistxattr:
1118 case amd64_x32_sys_flistxattr:
1119 return gdb_sys_flistxattr;
1121 case amd64_sys_removexattr:
1122 case amd64_x32_sys_removexattr:
1123 return gdb_sys_removexattr;
1125 case amd64_sys_lremovexattr:
1126 case amd64_x32_sys_lremovexattr:
1127 return gdb_sys_lremovexattr;
1129 case amd64_sys_fremovexattr:
1130 case amd64_x32_sys_fremovexattr:
1131 return gdb_sys_fremovexattr;
1133 case amd64_sys_tkill:
1134 case amd64_x32_sys_tkill:
1135 return gdb_sys_tkill;
1137 case amd64_sys_time:
1138 case amd64_x32_sys_time:
1139 return gdb_sys_time;
1141 case amd64_sys_futex:
1142 case amd64_x32_sys_futex:
1143 return gdb_sys_futex;
1145 case amd64_sys_sched_setaffinity:
1146 case amd64_x32_sys_sched_setaffinity:
1147 return gdb_sys_sched_setaffinity;
1149 case amd64_sys_sched_getaffinity:
1150 case amd64_x32_sys_sched_getaffinity:
1151 return gdb_sys_sched_getaffinity;
1153 case amd64_sys_io_setup:
1154 case amd64_x32_sys_io_setup:
1155 return gdb_sys_io_setup;
1157 case amd64_sys_io_destroy:
1158 case amd64_x32_sys_io_destroy:
1159 return gdb_sys_io_destroy;
1161 case amd64_sys_io_getevents:
1162 case amd64_x32_sys_io_getevents:
1163 return gdb_sys_io_getevents;
1165 case amd64_sys_io_submit:
1166 case amd64_x32_sys_io_submit:
1167 return gdb_sys_io_submit;
1169 case amd64_sys_io_cancel:
1170 case amd64_x32_sys_io_cancel:
1171 return gdb_sys_io_cancel;
1173 case amd64_sys_lookup_dcookie:
1174 case amd64_x32_sys_lookup_dcookie:
1175 return gdb_sys_lookup_dcookie;
1177 case amd64_sys_epoll_create:
1178 case amd64_x32_sys_epoll_create:
1179 return gdb_sys_epoll_create;
1181 case amd64_sys_remap_file_pages:
1182 case amd64_x32_sys_remap_file_pages:
1183 return gdb_sys_remap_file_pages;
1185 case amd64_sys_getdents64:
1186 case amd64_x32_sys_getdents64:
1187 return gdb_sys_getdents64;
1189 case amd64_sys_set_tid_address:
1190 case amd64_x32_sys_set_tid_address:
1191 return gdb_sys_set_tid_address;
1193 case amd64_sys_restart_syscall:
1194 case amd64_x32_sys_restart_syscall:
1195 return gdb_sys_restart_syscall;
1197 case amd64_sys_semtimedop:
1198 case amd64_x32_sys_semtimedop:
1199 return gdb_sys_semtimedop;
1201 case amd64_sys_fadvise64:
1202 case amd64_x32_sys_fadvise64:
1203 return gdb_sys_fadvise64;
1205 case amd64_sys_timer_create:
1206 case amd64_x32_sys_timer_create:
1207 return gdb_sys_timer_create;
1209 case amd64_sys_timer_settime:
1210 case amd64_x32_sys_timer_settime:
1211 return gdb_sys_timer_settime;
1213 case amd64_sys_timer_gettime:
1214 case amd64_x32_sys_timer_gettime:
1215 return gdb_sys_timer_gettime;
1217 case amd64_sys_timer_getoverrun:
1218 case amd64_x32_sys_timer_getoverrun:
1219 return gdb_sys_timer_getoverrun;
1221 case amd64_sys_timer_delete:
1222 case amd64_x32_sys_timer_delete:
1223 return gdb_sys_timer_delete;
1225 case amd64_sys_clock_settime:
1226 case amd64_x32_sys_clock_settime:
1227 return gdb_sys_clock_settime;
1229 case amd64_sys_clock_gettime:
1230 case amd64_x32_sys_clock_gettime:
1231 return gdb_sys_clock_gettime;
1233 case amd64_sys_clock_getres:
1234 case amd64_x32_sys_clock_getres:
1235 return gdb_sys_clock_getres;
1237 case amd64_sys_clock_nanosleep:
1238 case amd64_x32_sys_clock_nanosleep:
1239 return gdb_sys_clock_nanosleep;
1241 case amd64_sys_exit_group:
1242 case amd64_x32_sys_exit_group:
1243 return gdb_sys_exit_group;
1245 case amd64_sys_epoll_wait:
1246 case amd64_x32_sys_epoll_wait:
1247 return gdb_sys_epoll_wait;
1249 case amd64_sys_epoll_ctl:
1250 case amd64_x32_sys_epoll_ctl:
1251 return gdb_sys_epoll_ctl;
1253 case amd64_sys_tgkill:
1254 case amd64_x32_sys_tgkill:
1255 return gdb_sys_tgkill;
1257 case amd64_sys_utimes:
1258 case amd64_x32_sys_utimes:
1259 return gdb_sys_utimes;
1261 case amd64_sys_mbind:
1262 case amd64_x32_sys_mbind:
1263 return gdb_sys_mbind;
1265 case amd64_sys_set_mempolicy:
1266 case amd64_x32_sys_set_mempolicy:
1267 return gdb_sys_set_mempolicy;
1269 case amd64_sys_get_mempolicy:
1270 case amd64_x32_sys_get_mempolicy:
1271 return gdb_sys_get_mempolicy;
1273 case amd64_sys_mq_open:
1274 case amd64_x32_sys_mq_open:
1275 return gdb_sys_mq_open;
1277 case amd64_sys_mq_unlink:
1278 case amd64_x32_sys_mq_unlink:
1279 return gdb_sys_mq_unlink;
1281 case amd64_sys_mq_timedsend:
1282 case amd64_x32_sys_mq_timedsend:
1283 return gdb_sys_mq_timedsend;
1285 case amd64_sys_mq_timedreceive:
1286 case amd64_x32_sys_mq_timedreceive:
1287 return gdb_sys_mq_timedreceive;
1289 case amd64_sys_mq_notify:
1290 case amd64_x32_sys_mq_notify:
1291 return gdb_sys_mq_notify;
1293 case amd64_sys_mq_getsetattr:
1294 case amd64_x32_sys_mq_getsetattr:
1295 return gdb_sys_mq_getsetattr;
1297 case amd64_sys_kexec_load:
1298 case amd64_x32_sys_kexec_load:
1299 return gdb_sys_kexec_load;
1301 case amd64_sys_waitid:
1302 case amd64_x32_sys_waitid:
1303 return gdb_sys_waitid;
1305 case amd64_sys_add_key:
1306 case amd64_x32_sys_add_key:
1307 return gdb_sys_add_key;
1309 case amd64_sys_request_key:
1310 case amd64_x32_sys_request_key:
1311 return gdb_sys_request_key;
1313 case amd64_sys_keyctl:
1314 case amd64_x32_sys_keyctl:
1315 return gdb_sys_keyctl;
1317 case amd64_sys_ioprio_set:
1318 case amd64_x32_sys_ioprio_set:
1319 return gdb_sys_ioprio_set;
1321 case amd64_sys_ioprio_get:
1322 case amd64_x32_sys_ioprio_get:
1323 return gdb_sys_ioprio_get;
1325 case amd64_sys_inotify_init:
1326 case amd64_x32_sys_inotify_init:
1327 return gdb_sys_inotify_init;
1329 case amd64_sys_inotify_add_watch:
1330 case amd64_x32_sys_inotify_add_watch:
1331 return gdb_sys_inotify_add_watch;
1333 case amd64_sys_inotify_rm_watch:
1334 case amd64_x32_sys_inotify_rm_watch:
1335 return gdb_sys_inotify_rm_watch;
1337 case amd64_sys_migrate_pages:
1338 case amd64_x32_sys_migrate_pages:
1339 return gdb_sys_migrate_pages;
1341 case amd64_sys_openat:
1342 case amd64_x32_sys_openat:
1343 return gdb_sys_openat;
1345 case amd64_sys_mkdirat:
1346 case amd64_x32_sys_mkdirat:
1347 return gdb_sys_mkdirat;
1349 case amd64_sys_mknodat:
1350 case amd64_x32_sys_mknodat:
1351 return gdb_sys_mknodat;
1353 case amd64_sys_fchownat:
1354 case amd64_x32_sys_fchownat:
1355 return gdb_sys_fchownat;
1357 case amd64_sys_futimesat:
1358 case amd64_x32_sys_futimesat:
1359 return gdb_sys_futimesat;
1361 case amd64_sys_newfstatat:
1362 case amd64_x32_sys_newfstatat:
1363 return gdb_sys_newfstatat;
1365 case amd64_sys_unlinkat:
1366 case amd64_x32_sys_unlinkat:
1367 return gdb_sys_unlinkat;
1369 case amd64_sys_renameat:
1370 case amd64_x32_sys_renameat:
1371 return gdb_sys_renameat;
1373 case amd64_sys_linkat:
1374 case amd64_x32_sys_linkat:
1375 return gdb_sys_linkat;
1377 case amd64_sys_symlinkat:
1378 case amd64_x32_sys_symlinkat:
1379 return gdb_sys_symlinkat;
1381 case amd64_sys_readlinkat:
1382 case amd64_x32_sys_readlinkat:
1383 return gdb_sys_readlinkat;
1385 case amd64_sys_fchmodat:
1386 case amd64_x32_sys_fchmodat:
1387 return gdb_sys_fchmodat;
1389 case amd64_sys_faccessat:
1390 case amd64_x32_sys_faccessat:
1391 return gdb_sys_faccessat;
1393 case amd64_sys_pselect6:
1394 case amd64_x32_sys_pselect6:
1395 return gdb_sys_pselect6;
1397 case amd64_sys_ppoll:
1398 case amd64_x32_sys_ppoll:
1399 return gdb_sys_ppoll;
1401 case amd64_sys_unshare:
1402 case amd64_x32_sys_unshare:
1403 return gdb_sys_unshare;
1405 case amd64_sys_set_robust_list:
1406 case amd64_x32_sys_set_robust_list:
1407 return gdb_sys_set_robust_list;
1409 case amd64_sys_get_robust_list:
1410 case amd64_x32_sys_get_robust_list:
1411 return gdb_sys_get_robust_list;
1413 case amd64_sys_splice:
1414 case amd64_x32_sys_splice:
1415 return gdb_sys_splice;
1418 case amd64_x32_sys_tee:
1421 case amd64_sys_sync_file_range:
1422 case amd64_x32_sys_sync_file_range:
1423 return gdb_sys_sync_file_range;
1425 case amd64_sys_vmsplice:
1426 case amd64_x32_sys_vmsplice:
1427 return gdb_sys_vmsplice;
1429 case amd64_sys_move_pages:
1430 case amd64_x32_sys_move_pages:
1431 return gdb_sys_move_pages;
1434 return gdb_sys_no_syscall;
1440 /* Parse the arguments of current system call instruction and record
1441 the values of the registers and memory that will be changed into
1442 "record_full_arch_list". This instruction is "syscall".
1444 Return -1 if something wrong. */
1446 static struct linux_record_tdep amd64_linux_record_tdep;
1447 static struct linux_record_tdep amd64_x32_linux_record_tdep;
1449 #define RECORD_ARCH_GET_FS 0x1003
1450 #define RECORD_ARCH_GET_GS 0x1004
1453 amd64_linux_syscall_record_common (struct regcache *regcache,
1454 struct linux_record_tdep *linux_record_tdep_p)
1457 ULONGEST syscall_native;
1458 enum gdb_syscall syscall_gdb = gdb_sys_no_syscall;
1460 regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native);
1462 switch (syscall_native)
1464 case amd64_sys_rt_sigreturn:
1465 case amd64_x32_sys_rt_sigreturn:
1466 if (amd64_all_but_ip_registers_record (regcache))
1471 case amd64_sys_arch_prctl:
1472 case amd64_x32_sys_arch_prctl:
1475 regcache_raw_read_unsigned (regcache, linux_record_tdep_p->arg3,
1477 if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS)
1481 regcache_raw_read_unsigned (regcache,
1482 linux_record_tdep_p->arg2,
1484 if (record_full_arch_list_add_mem
1485 (addr, linux_record_tdep_p->size_ulong))
1494 = amd64_canonicalize_syscall ((enum amd64_syscall) syscall_native);
1496 if (syscall_gdb == gdb_sys_no_syscall)
1498 printf_unfiltered (_("Process record and replay target doesn't "
1499 "support syscall number %s\n"),
1500 pulongest (syscall_native));
1505 ret = record_linux_system_call (syscall_gdb, regcache,
1506 linux_record_tdep_p);
1512 /* Record the return value of the system call. */
1513 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
1515 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
1522 amd64_linux_syscall_record (struct regcache *regcache)
1524 return amd64_linux_syscall_record_common (regcache,
1525 &amd64_linux_record_tdep);
1529 amd64_x32_linux_syscall_record (struct regcache *regcache)
1531 return amd64_linux_syscall_record_common (regcache,
1532 &amd64_x32_linux_record_tdep);
1535 #define AMD64_LINUX_redzone 128
1536 #define AMD64_LINUX_xstate 512
1537 #define AMD64_LINUX_frame_size 560
1540 amd64_linux_record_signal (struct gdbarch *gdbarch,
1541 struct regcache *regcache,
1542 enum gdb_signal signal)
1546 if (amd64_all_but_ip_registers_record (regcache))
1549 if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM))
1552 /* Record the change in the stack. */
1553 regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp);
1556 rsp -= AMD64_LINUX_redzone;
1557 /* This is for xstate.
1558 sp -= sizeof (struct _fpstate); */
1559 rsp -= AMD64_LINUX_xstate;
1560 /* This is for frame_size.
1561 sp -= sizeof (struct rt_sigframe); */
1562 rsp -= AMD64_LINUX_frame_size;
1563 if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone
1564 + AMD64_LINUX_xstate
1565 + AMD64_LINUX_frame_size))
1568 if (record_full_arch_list_add_end ())
1575 amd64_linux_read_description (uint64_t xcr0_features_bit, bool is_x32)
1577 static target_desc *amd64_linux_tdescs \
1578 [2/*AVX*/][2/*MPX*/][2/*AVX512*/][2/*PKRU*/] = {};
1579 static target_desc *x32_linux_tdescs[2/*AVX*/][2/*AVX512*/] = {};
1581 target_desc **tdesc;
1585 tdesc = &x32_linux_tdescs[(xcr0_features_bit & X86_XSTATE_AVX) ? 1 : 0 ]
1586 [(xcr0_features_bit & X86_XSTATE_AVX512) ? 1 : 0];
1590 tdesc = &amd64_linux_tdescs[(xcr0_features_bit & X86_XSTATE_AVX) ? 1 : 0]
1591 [(xcr0_features_bit & X86_XSTATE_MPX) ? 1 : 0]
1592 [(xcr0_features_bit & X86_XSTATE_AVX512) ? 1 : 0]
1593 [(xcr0_features_bit & X86_XSTATE_PKRU) ? 1 : 0];
1597 *tdesc = amd64_create_target_description (xcr0_features_bit, is_x32,
1603 /* Get Linux/x86 target description from core dump. */
1605 static const struct target_desc *
1606 amd64_linux_core_read_description (struct gdbarch *gdbarch,
1607 struct target_ops *target,
1611 uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
1613 return amd64_linux_read_description (xcr0 & X86_XSTATE_ALL_MASK,
1614 gdbarch_ptr_bit (gdbarch) == 32);
1617 /* Similar to amd64_supply_fpregset, but use XSAVE extended state. */
1620 amd64_linux_supply_xstateregset (const struct regset *regset,
1621 struct regcache *regcache, int regnum,
1622 const void *xstateregs, size_t len)
1624 amd64_supply_xsave (regcache, regnum, xstateregs);
1627 /* Similar to amd64_collect_fpregset, but use XSAVE extended state. */
1630 amd64_linux_collect_xstateregset (const struct regset *regset,
1631 const struct regcache *regcache,
1632 int regnum, void *xstateregs, size_t len)
1634 amd64_collect_xsave (regcache, regnum, xstateregs, 1);
1637 static const struct regset amd64_linux_xstateregset =
1640 amd64_linux_supply_xstateregset,
1641 amd64_linux_collect_xstateregset
1644 /* Iterate over core file register note sections. */
1647 amd64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
1648 iterate_over_regset_sections_cb *cb,
1650 const struct regcache *regcache)
1652 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1654 cb (".reg", 27 * 8, 27 * 8, &i386_gregset, NULL, cb_data);
1655 cb (".reg2", 512, 512, &amd64_fpregset, NULL, cb_data);
1656 cb (".reg-xstate", X86_XSTATE_SIZE (tdep->xcr0), X86_XSTATE_SIZE (tdep->xcr0),
1657 &amd64_linux_xstateregset, "XSAVE extended state", cb_data);
1660 /* The instruction sequences used in x86_64 machines for a
1661 disabled is-enabled probe. */
1663 const gdb_byte amd64_dtrace_disabled_probe_sequence_1[] = {
1664 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1669 const gdb_byte amd64_dtrace_disabled_probe_sequence_2[] = {
1670 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1675 /* The instruction sequence used in x86_64 machines for enabling a
1676 DTrace is-enabled probe. */
1678 const gdb_byte amd64_dtrace_enable_probe_sequence[] = {
1679 /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00
1682 /* The instruction sequence used in x86_64 machines for disabling a
1683 DTrace is-enabled probe. */
1685 const gdb_byte amd64_dtrace_disable_probe_sequence[] = {
1686 /* xor %rax, %rax; nop; nop */ 0x48, 0x33, 0xC0, 0x90, 0x90
1689 /* Implementation of `gdbarch_dtrace_probe_is_enabled', as defined in
1693 amd64_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr)
1697 /* This function returns 1 if the instructions at ADDR do _not_
1698 follow any of the amd64_dtrace_disabled_probe_sequence_*
1701 Note that ADDR is offset 3 bytes from the beginning of these
1704 read_code (addr - 3, buf, 5);
1705 return (memcmp (buf, amd64_dtrace_disabled_probe_sequence_1, 5) != 0
1706 && memcmp (buf, amd64_dtrace_disabled_probe_sequence_2, 5) != 0);
1709 /* Implementation of `gdbarch_dtrace_enable_probe', as defined in
1713 amd64_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1715 /* Note also that ADDR is offset 3 bytes from the beginning of
1716 amd64_dtrace_enable_probe_sequence. */
1718 write_memory (addr - 3, amd64_dtrace_enable_probe_sequence, 5);
1721 /* Implementation of `gdbarch_dtrace_disable_probe', as defined in
1725 amd64_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1727 /* Note also that ADDR is offset 3 bytes from the beginning of
1728 amd64_dtrace_disable_probe_sequence. */
1730 write_memory (addr - 3, amd64_dtrace_disable_probe_sequence, 5);
1733 /* Implementation of `gdbarch_dtrace_parse_probe_argument', as defined
1737 amd64_dtrace_parse_probe_argument (struct gdbarch *gdbarch,
1738 struct expr_builder *builder,
1743 /* DTrace probe arguments can be found on the ABI-defined places for
1744 regular arguments at the current PC. The probe abstraction
1745 currently supports up to 12 arguments for probes. */
1749 static const int arg_reg_map[6] =
1751 AMD64_RDI_REGNUM, /* Arg 1. */
1752 AMD64_RSI_REGNUM, /* Arg 2. */
1753 AMD64_RDX_REGNUM, /* Arg 3. */
1754 AMD64_RCX_REGNUM, /* Arg 4. */
1755 AMD64_R8_REGNUM, /* Arg 5. */
1756 AMD64_R9_REGNUM /* Arg 6. */
1758 int regno = arg_reg_map[narg];
1759 const char *regname = user_reg_map_regnum_to_name (gdbarch, regno);
1761 write_exp_elt_opcode (builder, OP_REGISTER);
1763 str.length = strlen (regname);
1764 write_exp_string (builder, str);
1765 write_exp_elt_opcode (builder, OP_REGISTER);
1769 /* Additional arguments are passed on the stack. */
1770 const char *regname = user_reg_map_regnum_to_name (gdbarch, AMD64_RSP_REGNUM);
1773 write_exp_elt_opcode (builder, OP_LONG);
1774 write_exp_elt_type (builder, builtin_type (gdbarch)->builtin_long);
1775 write_exp_elt_longcst (builder, narg - 6);
1776 write_exp_elt_opcode (builder, OP_LONG);
1779 write_exp_elt_opcode (builder, OP_REGISTER);
1781 str.length = strlen (regname);
1782 write_exp_string (builder, str);
1783 write_exp_elt_opcode (builder, OP_REGISTER);
1785 write_exp_elt_opcode (builder, BINOP_ADD);
1788 write_exp_elt_opcode (builder, UNOP_CAST);
1789 write_exp_elt_type (builder,
1790 lookup_pointer_type (builtin_type (gdbarch)->builtin_long));
1791 write_exp_elt_opcode (builder, UNOP_CAST);
1793 write_exp_elt_opcode (builder, UNOP_IND);
1798 amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch)
1800 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1802 linux_init_abi (info, gdbarch);
1804 tdep->sigtramp_p = amd64_linux_sigtramp_p;
1805 tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
1806 tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
1807 tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);
1809 tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET;
1811 /* Add the %orig_rax register used for syscall restarting. */
1812 set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc);
1814 tdep->register_reggroup_p = amd64_linux_register_reggroup_p;
1816 /* Functions for 'catch syscall'. */
1817 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64);
1818 set_gdbarch_get_syscall_number (gdbarch,
1819 amd64_linux_get_syscall_number);
1821 /* Enable TLS support. */
1822 set_gdbarch_fetch_tls_load_module_address (gdbarch,
1823 svr4_fetch_objfile_link_map);
1825 /* GNU/Linux uses SVR4-style shared libraries. */
1826 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
1828 /* GNU/Linux uses the dynamic linker included in the GNU C Library. */
1829 set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
1831 /* Iterate over core file register note sections. */
1832 set_gdbarch_iterate_over_regset_sections
1833 (gdbarch, amd64_linux_iterate_over_regset_sections);
1835 set_gdbarch_core_read_description (gdbarch,
1836 amd64_linux_core_read_description);
1838 /* Displaced stepping. */
1839 set_gdbarch_displaced_step_copy_insn (gdbarch,
1840 amd64_displaced_step_copy_insn);
1841 set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup);
1842 set_gdbarch_displaced_step_location (gdbarch,
1843 linux_displaced_step_location);
1845 set_gdbarch_process_record (gdbarch, i386_process_record);
1846 set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
1848 set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type);
1849 set_gdbarch_handle_segmentation_fault (gdbarch,
1850 i386_linux_handle_segmentation_fault);
1854 amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
1856 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1857 struct tdesc_arch_data *tdesc_data = info.tdesc_data;
1858 const struct tdesc_feature *feature;
1861 gdb_assert (tdesc_data);
1863 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
1864 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
1865 tdep->sizeof_gregset = 27 * 8;
1867 amd64_init_abi (info, gdbarch,
1868 amd64_linux_read_description (X86_XSTATE_SSE_MASK, false));
1870 const target_desc *tdesc = tdep->tdesc;
1872 /* Reserve a number for orig_rax. */
1873 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
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 struct tdesc_arch_data *tdesc_data = info.tdesc_data;
2072 const struct tdesc_feature *feature;
2075 gdb_assert (tdesc_data);
2077 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
2078 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
2079 tdep->sizeof_gregset = 27 * 8;
2081 amd64_x32_init_abi (info, gdbarch,
2082 amd64_linux_read_description (X86_XSTATE_SSE_MASK,
2085 /* Reserve a number for orig_rax. */
2086 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
2088 const target_desc *tdesc = tdep->tdesc;
2090 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
2091 if (feature == NULL)
2094 valid_p = tdesc_numbered_register (feature, tdesc_data,
2095 AMD64_LINUX_ORIG_RAX_REGNUM,
2100 amd64_linux_init_abi_common (info, gdbarch);
2102 /* Initialize the amd64_x32_linux_record_tdep. */
2103 /* These values are the size of the type that will be used in a system
2104 call. They are obtained from Linux Kernel source. */
2105 amd64_x32_linux_record_tdep.size_pointer
2106 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
2107 amd64_x32_linux_record_tdep.size__old_kernel_stat = 32;
2108 amd64_x32_linux_record_tdep.size_tms = 32;
2109 amd64_x32_linux_record_tdep.size_loff_t = 8;
2110 amd64_x32_linux_record_tdep.size_flock = 32;
2111 amd64_x32_linux_record_tdep.size_oldold_utsname = 45;
2112 amd64_x32_linux_record_tdep.size_ustat = 32;
2113 /* ADM64 doesn't need this size because it doesn't have sys_sigaction
2114 but sys_rt_sigaction. */
2115 amd64_x32_linux_record_tdep.size_old_sigaction = 16;
2116 /* ADM64 doesn't need this size because it doesn't have sys_sigpending
2117 but sys_rt_sigpending. */
2118 amd64_x32_linux_record_tdep.size_old_sigset_t = 4;
2119 amd64_x32_linux_record_tdep.size_rlimit = 16;
2120 amd64_x32_linux_record_tdep.size_rusage = 144;
2121 amd64_x32_linux_record_tdep.size_timeval = 16;
2122 amd64_x32_linux_record_tdep.size_timezone = 8;
2123 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
2124 but sys_getgroups. */
2125 amd64_x32_linux_record_tdep.size_old_gid_t = 2;
2126 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
2127 but sys_getresuid. */
2128 amd64_x32_linux_record_tdep.size_old_uid_t = 2;
2129 amd64_x32_linux_record_tdep.size_fd_set = 128;
2130 /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
2131 amd64_x32_linux_record_tdep.size_old_dirent = 268;
2132 amd64_x32_linux_record_tdep.size_statfs = 120;
2133 amd64_x32_linux_record_tdep.size_statfs64 = 120;
2134 amd64_x32_linux_record_tdep.size_sockaddr = 16;
2135 amd64_x32_linux_record_tdep.size_int
2136 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
2137 amd64_x32_linux_record_tdep.size_long
2138 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2139 amd64_x32_linux_record_tdep.size_ulong
2140 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2141 amd64_x32_linux_record_tdep.size_msghdr = 28;
2142 amd64_x32_linux_record_tdep.size_itimerval = 32;
2143 amd64_x32_linux_record_tdep.size_stat = 144;
2144 amd64_x32_linux_record_tdep.size_old_utsname = 325;
2145 amd64_x32_linux_record_tdep.size_sysinfo = 112;
2146 amd64_x32_linux_record_tdep.size_msqid_ds = 120;
2147 amd64_x32_linux_record_tdep.size_shmid_ds = 112;
2148 amd64_x32_linux_record_tdep.size_new_utsname = 390;
2149 amd64_x32_linux_record_tdep.size_timex = 208;
2150 amd64_x32_linux_record_tdep.size_mem_dqinfo = 24;
2151 amd64_x32_linux_record_tdep.size_if_dqblk = 72;
2152 amd64_x32_linux_record_tdep.size_fs_quota_stat = 80;
2153 amd64_x32_linux_record_tdep.size_timespec = 16;
2154 amd64_x32_linux_record_tdep.size_pollfd = 8;
2155 amd64_x32_linux_record_tdep.size_NFS_FHSIZE = 32;
2156 amd64_x32_linux_record_tdep.size_knfsd_fh = 132;
2157 amd64_x32_linux_record_tdep.size_TASK_COMM_LEN = 16;
2158 amd64_x32_linux_record_tdep.size_sigaction = 20;
2159 amd64_x32_linux_record_tdep.size_sigset_t = 8;
2160 amd64_x32_linux_record_tdep.size_siginfo_t = 128;
2161 amd64_x32_linux_record_tdep.size_cap_user_data_t = 8;
2162 amd64_x32_linux_record_tdep.size_stack_t = 12;
2163 amd64_x32_linux_record_tdep.size_off_t = 8;
2164 amd64_x32_linux_record_tdep.size_stat64 = 144;
2165 amd64_x32_linux_record_tdep.size_gid_t = 4;
2166 amd64_x32_linux_record_tdep.size_uid_t = 4;
2167 amd64_x32_linux_record_tdep.size_PAGE_SIZE = 4096;
2168 amd64_x32_linux_record_tdep.size_flock64 = 32;
2169 amd64_x32_linux_record_tdep.size_user_desc = 16;
2170 amd64_x32_linux_record_tdep.size_io_event = 32;
2171 amd64_x32_linux_record_tdep.size_iocb = 64;
2172 amd64_x32_linux_record_tdep.size_epoll_event = 12;
2173 amd64_x32_linux_record_tdep.size_itimerspec = 32;
2174 amd64_x32_linux_record_tdep.size_mq_attr = 64;
2175 amd64_x32_linux_record_tdep.size_termios = 36;
2176 amd64_x32_linux_record_tdep.size_termios2 = 44;
2177 amd64_x32_linux_record_tdep.size_pid_t = 4;
2178 amd64_x32_linux_record_tdep.size_winsize = 8;
2179 amd64_x32_linux_record_tdep.size_serial_struct = 72;
2180 amd64_x32_linux_record_tdep.size_serial_icounter_struct = 80;
2181 amd64_x32_linux_record_tdep.size_hayes_esp_config = 12;
2182 amd64_x32_linux_record_tdep.size_size_t = 4;
2183 amd64_x32_linux_record_tdep.size_iovec = 8;
2184 amd64_x32_linux_record_tdep.size_time_t = 8;
2186 /* These values are the second argument of system call "sys_fcntl"
2187 and "sys_fcntl64". They are obtained from Linux Kernel source. */
2188 amd64_x32_linux_record_tdep.fcntl_F_GETLK = 5;
2189 amd64_x32_linux_record_tdep.fcntl_F_GETLK64 = 12;
2190 amd64_x32_linux_record_tdep.fcntl_F_SETLK64 = 13;
2191 amd64_x32_linux_record_tdep.fcntl_F_SETLKW64 = 14;
2193 amd64_x32_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
2194 amd64_x32_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
2195 amd64_x32_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
2196 amd64_x32_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
2197 amd64_x32_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
2198 amd64_x32_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
2200 /* These values are the second argument of system call "sys_ioctl".
2201 They are obtained from Linux Kernel source. */
2202 amd64_x32_linux_record_tdep.ioctl_TCGETS = 0x5401;
2203 amd64_x32_linux_record_tdep.ioctl_TCSETS = 0x5402;
2204 amd64_x32_linux_record_tdep.ioctl_TCSETSW = 0x5403;
2205 amd64_x32_linux_record_tdep.ioctl_TCSETSF = 0x5404;
2206 amd64_x32_linux_record_tdep.ioctl_TCGETA = 0x5405;
2207 amd64_x32_linux_record_tdep.ioctl_TCSETA = 0x5406;
2208 amd64_x32_linux_record_tdep.ioctl_TCSETAW = 0x5407;
2209 amd64_x32_linux_record_tdep.ioctl_TCSETAF = 0x5408;
2210 amd64_x32_linux_record_tdep.ioctl_TCSBRK = 0x5409;
2211 amd64_x32_linux_record_tdep.ioctl_TCXONC = 0x540A;
2212 amd64_x32_linux_record_tdep.ioctl_TCFLSH = 0x540B;
2213 amd64_x32_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
2214 amd64_x32_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
2215 amd64_x32_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
2216 amd64_x32_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
2217 amd64_x32_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
2218 amd64_x32_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
2219 amd64_x32_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
2220 amd64_x32_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
2221 amd64_x32_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
2222 amd64_x32_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
2223 amd64_x32_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
2224 amd64_x32_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
2225 amd64_x32_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
2226 amd64_x32_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
2227 amd64_x32_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
2228 amd64_x32_linux_record_tdep.ioctl_FIONREAD = 0x541B;
2229 amd64_x32_linux_record_tdep.ioctl_TIOCINQ = amd64_x32_linux_record_tdep.ioctl_FIONREAD;
2230 amd64_x32_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
2231 amd64_x32_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
2232 amd64_x32_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
2233 amd64_x32_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
2234 amd64_x32_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
2235 amd64_x32_linux_record_tdep.ioctl_FIONBIO = 0x5421;
2236 amd64_x32_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
2237 amd64_x32_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
2238 amd64_x32_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
2239 amd64_x32_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
2240 amd64_x32_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
2241 amd64_x32_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
2242 amd64_x32_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
2243 amd64_x32_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
2244 amd64_x32_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
2245 amd64_x32_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
2246 amd64_x32_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
2247 amd64_x32_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
2248 amd64_x32_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
2249 amd64_x32_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
2250 amd64_x32_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
2251 amd64_x32_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
2252 amd64_x32_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
2253 amd64_x32_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
2254 amd64_x32_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
2255 amd64_x32_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
2256 amd64_x32_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
2257 amd64_x32_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
2258 amd64_x32_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
2259 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
2260 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
2261 amd64_x32_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
2262 amd64_x32_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
2263 amd64_x32_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
2264 amd64_x32_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
2265 amd64_x32_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
2266 amd64_x32_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
2268 tdep->i386_syscall_record = amd64_x32_linux_syscall_record;
2270 /* GNU/Linux uses SVR4-style shared libraries. */
2271 set_solib_svr4_fetch_link_map_offsets
2272 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
2276 _initialize_amd64_linux_tdep (void)
2278 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
2279 GDB_OSABI_LINUX, amd64_linux_init_abi);
2280 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32,
2281 GDB_OSABI_LINUX, amd64_x32_linux_init_abi);