1 /* Target-dependent code for GNU/Linux x86-64.
3 Copyright (C) 2001-2020 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"
30 #include "reggroups.h"
32 #include "parser-defs.h"
33 #include "user-regs.h"
34 #include "amd64-linux-tdep.h"
35 #include "i386-linux-tdep.h"
36 #include "linux-tdep.h"
37 #include "gdbsupport/x86-xstate.h"
40 #include "amd64-tdep.h"
41 #include "solib-svr4.h"
42 #include "xml-syscall.h"
43 #include "glibc-tdep.h"
44 #include "arch/amd64.h"
45 #include "target-descriptions.h"
47 /* The syscall's XML filename for i386. */
48 #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml"
50 #include "record-full.h"
51 #include "linux-record.h"
53 /* Mapping between the general-purpose registers in `struct user'
54 format and GDB's register cache layout. */
56 /* From <sys/reg.h>. */
57 int amd64_linux_gregset_reg_offset
[] =
83 -1, -1, -1, -1, -1, -1, -1, -1,
84 -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, -1,
87 -1, -1, -1, -1, -1, -1, -1, -1,
88 -1, -1, -1, -1, -1, -1, -1, -1,
89 -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */
90 -1, -1, /* MPX registers BNDCFGU and BNDSTATUS. */
91 -1, -1, -1, -1, -1, -1, -1, -1, /* xmm16 ... xmm31 (AVX512) */
92 -1, -1, -1, -1, -1, -1, -1, -1,
93 -1, -1, -1, -1, -1, -1, -1, -1, /* ymm16 ... ymm31 (AVX512) */
94 -1, -1, -1, -1, -1, -1, -1, -1,
95 -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */
96 -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm31 (AVX512) */
97 -1, -1, -1, -1, -1, -1, -1, -1,
98 -1, -1, -1, -1, -1, -1, -1, -1,
99 -1, -1, -1, -1, -1, -1, -1, -1,
100 -1, /* PKEYS register pkru */
102 /* End of hardware registers */
103 21 * 8, 22 * 8, /* fs_base and gs_base. */
104 15 * 8 /* "orig_rax" */
108 /* Support for signal handlers. */
110 #define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */
111 #define LINUX_SIGTRAMP_OFFSET0 0
112 #define LINUX_SIGTRAMP_INSN1 0x0f /* syscall */
113 #define LINUX_SIGTRAMP_OFFSET1 7
115 static const gdb_byte amd64_linux_sigtramp_code
[] =
117 /* mov $__NR_rt_sigreturn, %rax */
118 LINUX_SIGTRAMP_INSN0
, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00,
120 LINUX_SIGTRAMP_INSN1
, 0x05
123 static const gdb_byte amd64_x32_linux_sigtramp_code
[] =
125 /* mov $__NR_rt_sigreturn, %rax. */
126 LINUX_SIGTRAMP_INSN0
, 0xc7, 0xc0, 0x01, 0x02, 0x00, 0x40,
128 LINUX_SIGTRAMP_INSN1
, 0x05
131 #define LINUX_SIGTRAMP_LEN (sizeof amd64_linux_sigtramp_code)
133 /* If PC is in a sigtramp routine, return the address of the start of
134 the routine. Otherwise, return 0. */
137 amd64_linux_sigtramp_start (struct frame_info
*this_frame
)
139 struct gdbarch
*gdbarch
;
140 const gdb_byte
*sigtramp_code
;
141 CORE_ADDR pc
= get_frame_pc (this_frame
);
142 gdb_byte buf
[LINUX_SIGTRAMP_LEN
];
144 /* We only recognize a signal trampoline if PC is at the start of
145 one of the two instructions. We optimize for finding the PC at
146 the start, as will be the case when the trampoline is not the
147 first frame on the stack. We assume that in the case where the
148 PC is not at the start of the instruction sequence, there will be
149 a few trailing readable bytes on the stack. */
151 if (!safe_frame_unwind_memory (this_frame
, pc
, buf
, sizeof buf
))
154 if (buf
[0] != LINUX_SIGTRAMP_INSN0
)
156 if (buf
[0] != LINUX_SIGTRAMP_INSN1
)
159 pc
-= LINUX_SIGTRAMP_OFFSET1
;
160 if (!safe_frame_unwind_memory (this_frame
, pc
, buf
, sizeof buf
))
164 gdbarch
= get_frame_arch (this_frame
);
165 if (gdbarch_ptr_bit (gdbarch
) == 32)
166 sigtramp_code
= amd64_x32_linux_sigtramp_code
;
168 sigtramp_code
= amd64_linux_sigtramp_code
;
169 if (memcmp (buf
, sigtramp_code
, LINUX_SIGTRAMP_LEN
) != 0)
175 /* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp
179 amd64_linux_sigtramp_p (struct frame_info
*this_frame
)
181 CORE_ADDR pc
= get_frame_pc (this_frame
);
184 find_pc_partial_function (pc
, &name
, NULL
, NULL
);
186 /* If we have NAME, we can optimize the search. The trampoline is
187 named __restore_rt. However, it isn't dynamically exported from
188 the shared C library, so the trampoline may appear to be part of
189 the preceding function. This should always be sigaction,
190 __sigaction, or __libc_sigaction (all aliases to the same
192 if (name
== NULL
|| strstr (name
, "sigaction") != NULL
)
193 return (amd64_linux_sigtramp_start (this_frame
) != 0);
195 return (strcmp ("__restore_rt", name
) == 0);
198 /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */
199 #define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40
201 /* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the
202 address of the associated sigcontext structure. */
205 amd64_linux_sigcontext_addr (struct frame_info
*this_frame
)
207 struct gdbarch
*gdbarch
= get_frame_arch (this_frame
);
208 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
212 get_frame_register (this_frame
, AMD64_RSP_REGNUM
, buf
);
213 sp
= extract_unsigned_integer (buf
, 8, byte_order
);
215 /* The sigcontext structure is part of the user context. A pointer
216 to the user context is passed as the third argument to the signal
217 handler, i.e. in %rdx. Unfortunately %rdx isn't preserved across
218 function calls so we can't use it. Fortunately the user context
219 is part of the signal frame and the unwound %rsp directly points
221 return sp
+ AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET
;
226 amd64_linux_get_syscall_number (struct gdbarch
*gdbarch
,
229 struct regcache
*regcache
= get_thread_regcache (thread
);
230 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
231 /* The content of a register. */
236 /* Getting the system call number from the register.
237 When dealing with x86_64 architecture, this information
238 is stored at %rax register. */
239 regcache
->cooked_read (AMD64_LINUX_ORIG_RAX_REGNUM
, buf
);
241 ret
= extract_signed_integer (buf
, 8, byte_order
);
247 /* From <asm/sigcontext.h>. */
248 static int amd64_linux_sc_reg_offset
[] =
267 17 * 8, /* %eflags */
269 /* FIXME: kettenis/2002030531: The registers %cs, %fs and %gs are
270 available in `struct sigcontext'. However, they only occupy two
271 bytes instead of four, which makes using them here rather
272 difficult. Leave them out for now. */
282 amd64_linux_register_reggroup_p (struct gdbarch
*gdbarch
, int regnum
,
283 struct reggroup
*group
)
285 if (regnum
== AMD64_LINUX_ORIG_RAX_REGNUM
286 || regnum
== AMD64_FSBASE_REGNUM
287 || regnum
== AMD64_GSBASE_REGNUM
)
288 return (group
== system_reggroup
289 || group
== save_reggroup
290 || group
== restore_reggroup
);
291 return i386_register_reggroup_p (gdbarch
, regnum
, group
);
294 /* Set the program counter for process PTID to PC. */
297 amd64_linux_write_pc (struct regcache
*regcache
, CORE_ADDR pc
)
299 regcache_cooked_write_unsigned (regcache
, AMD64_RIP_REGNUM
, pc
);
301 /* We must be careful with modifying the program counter. If we
302 just interrupted a system call, the kernel might try to restart
303 it when we resume the inferior. On restarting the system call,
304 the kernel will try backing up the program counter even though it
305 no longer points at the system call. This typically results in a
306 SIGSEGV or SIGILL. We can prevent this by writing `-1' in the
307 "orig_rax" pseudo-register.
309 Note that "orig_rax" is saved when setting up a dummy call frame.
310 This means that it is properly restored when that frame is
311 popped, and that the interrupted system call will be restarted
312 when we resume the inferior on return from a function call from
313 within GDB. In all other cases the system call will not be
315 regcache_cooked_write_unsigned (regcache
, AMD64_LINUX_ORIG_RAX_REGNUM
, -1);
318 /* Record all registers but IP register for process-record. */
321 amd64_all_but_ip_registers_record (struct regcache
*regcache
)
323 if (record_full_arch_list_add_reg (regcache
, AMD64_RAX_REGNUM
))
325 if (record_full_arch_list_add_reg (regcache
, AMD64_RCX_REGNUM
))
327 if (record_full_arch_list_add_reg (regcache
, AMD64_RDX_REGNUM
))
329 if (record_full_arch_list_add_reg (regcache
, AMD64_RBX_REGNUM
))
331 if (record_full_arch_list_add_reg (regcache
, AMD64_RSP_REGNUM
))
333 if (record_full_arch_list_add_reg (regcache
, AMD64_RBP_REGNUM
))
335 if (record_full_arch_list_add_reg (regcache
, AMD64_RSI_REGNUM
))
337 if (record_full_arch_list_add_reg (regcache
, AMD64_RDI_REGNUM
))
339 if (record_full_arch_list_add_reg (regcache
, AMD64_R8_REGNUM
))
341 if (record_full_arch_list_add_reg (regcache
, AMD64_R9_REGNUM
))
343 if (record_full_arch_list_add_reg (regcache
, AMD64_R10_REGNUM
))
345 if (record_full_arch_list_add_reg (regcache
, AMD64_R11_REGNUM
))
347 if (record_full_arch_list_add_reg (regcache
, AMD64_R12_REGNUM
))
349 if (record_full_arch_list_add_reg (regcache
, AMD64_R13_REGNUM
))
351 if (record_full_arch_list_add_reg (regcache
, AMD64_R14_REGNUM
))
353 if (record_full_arch_list_add_reg (regcache
, AMD64_R15_REGNUM
))
355 if (record_full_arch_list_add_reg (regcache
, AMD64_EFLAGS_REGNUM
))
361 /* amd64_canonicalize_syscall maps from the native amd64 Linux set
362 of syscall ids into a canonical set of syscall ids used by
365 static enum gdb_syscall
366 amd64_canonicalize_syscall (enum amd64_syscall syscall_number
)
369 DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
371 switch (syscall_number
) {
373 case amd64_x32_sys_read
:
376 case amd64_sys_write
:
377 case amd64_x32_sys_write
:
378 return gdb_sys_write
;
381 case amd64_x32_sys_open
:
384 case amd64_sys_close
:
385 case amd64_x32_sys_close
:
386 return gdb_sys_close
;
388 case amd64_sys_newstat
:
389 case amd64_x32_sys_newstat
:
390 return gdb_sys_newstat
;
392 case amd64_sys_newfstat
:
393 case amd64_x32_sys_newfstat
:
394 return gdb_sys_newfstat
;
396 case amd64_sys_newlstat
:
397 case amd64_x32_sys_newlstat
:
398 return gdb_sys_newlstat
;
401 case amd64_x32_sys_poll
:
404 case amd64_sys_lseek
:
405 case amd64_x32_sys_lseek
:
406 return gdb_sys_lseek
;
409 case amd64_x32_sys_mmap
:
410 return gdb_sys_mmap2
;
412 case amd64_sys_mprotect
:
413 case amd64_x32_sys_mprotect
:
414 return gdb_sys_mprotect
;
416 case amd64_sys_munmap
:
417 case amd64_x32_sys_munmap
:
418 return gdb_sys_munmap
;
421 case amd64_x32_sys_brk
:
424 case amd64_sys_rt_sigaction
:
425 case amd64_x32_sys_rt_sigaction
:
426 return gdb_sys_rt_sigaction
;
428 case amd64_sys_rt_sigprocmask
:
429 case amd64_x32_sys_rt_sigprocmask
:
430 return gdb_sys_rt_sigprocmask
;
432 case amd64_sys_rt_sigreturn
:
433 case amd64_x32_sys_rt_sigreturn
:
434 return gdb_sys_rt_sigreturn
;
436 case amd64_sys_ioctl
:
437 case amd64_x32_sys_ioctl
:
438 return gdb_sys_ioctl
;
440 case amd64_sys_pread64
:
441 case amd64_x32_sys_pread64
:
442 return gdb_sys_pread64
;
444 case amd64_sys_pwrite64
:
445 case amd64_x32_sys_pwrite64
:
446 return gdb_sys_pwrite64
;
448 case amd64_sys_readv
:
449 case amd64_x32_sys_readv
:
450 return gdb_sys_readv
;
452 case amd64_sys_writev
:
453 case amd64_x32_sys_writev
:
454 return gdb_sys_writev
;
456 case amd64_sys_access
:
457 case amd64_x32_sys_access
:
458 return gdb_sys_access
;
461 case amd64_x32_sys_pipe
:
464 case amd64_sys_select
:
465 case amd64_x32_sys_select
:
466 return gdb_sys_select
;
468 case amd64_sys_sched_yield
:
469 case amd64_x32_sys_sched_yield
:
470 return gdb_sys_sched_yield
;
472 case amd64_sys_mremap
:
473 case amd64_x32_sys_mremap
:
474 return gdb_sys_mremap
;
476 case amd64_sys_msync
:
477 case amd64_x32_sys_msync
:
478 return gdb_sys_msync
;
480 case amd64_sys_mincore
:
481 case amd64_x32_sys_mincore
:
482 return gdb_sys_mincore
;
484 case amd64_sys_madvise
:
485 case amd64_x32_sys_madvise
:
486 return gdb_sys_madvise
;
488 case amd64_sys_shmget
:
489 case amd64_x32_sys_shmget
:
490 return gdb_sys_shmget
;
492 case amd64_sys_shmat
:
493 case amd64_x32_sys_shmat
:
494 return gdb_sys_shmat
;
496 case amd64_sys_shmctl
:
497 case amd64_x32_sys_shmctl
:
498 return gdb_sys_shmctl
;
501 case amd64_x32_sys_dup
:
505 case amd64_x32_sys_dup2
:
508 case amd64_sys_pause
:
509 case amd64_x32_sys_pause
:
510 return gdb_sys_pause
;
512 case amd64_sys_nanosleep
:
513 case amd64_x32_sys_nanosleep
:
514 return gdb_sys_nanosleep
;
516 case amd64_sys_getitimer
:
517 case amd64_x32_sys_getitimer
:
518 return gdb_sys_getitimer
;
520 case amd64_sys_alarm
:
521 case amd64_x32_sys_alarm
:
522 return gdb_sys_alarm
;
524 case amd64_sys_setitimer
:
525 case amd64_x32_sys_setitimer
:
526 return gdb_sys_setitimer
;
528 case amd64_sys_getpid
:
529 case amd64_x32_sys_getpid
:
530 return gdb_sys_getpid
;
532 case amd64_sys_sendfile64
:
533 case amd64_x32_sys_sendfile64
:
534 return gdb_sys_sendfile64
;
536 case amd64_sys_socket
:
537 case amd64_x32_sys_socket
:
538 return gdb_sys_socket
;
540 case amd64_sys_connect
:
541 case amd64_x32_sys_connect
:
542 return gdb_sys_connect
;
544 case amd64_sys_accept
:
545 case amd64_x32_sys_accept
:
546 return gdb_sys_accept
;
548 case amd64_sys_sendto
:
549 case amd64_x32_sys_sendto
:
550 return gdb_sys_sendto
;
552 case amd64_sys_recvfrom
:
553 case amd64_x32_sys_recvfrom
:
554 return gdb_sys_recvfrom
;
556 case amd64_sys_sendmsg
:
557 case amd64_x32_sys_sendmsg
:
558 return gdb_sys_sendmsg
;
560 case amd64_sys_recvmsg
:
561 case amd64_x32_sys_recvmsg
:
562 return gdb_sys_recvmsg
;
564 case amd64_sys_shutdown
:
565 case amd64_x32_sys_shutdown
:
566 return gdb_sys_shutdown
;
569 case amd64_x32_sys_bind
:
572 case amd64_sys_listen
:
573 case amd64_x32_sys_listen
:
574 return gdb_sys_listen
;
576 case amd64_sys_getsockname
:
577 case amd64_x32_sys_getsockname
:
578 return gdb_sys_getsockname
;
580 case amd64_sys_getpeername
:
581 case amd64_x32_sys_getpeername
:
582 return gdb_sys_getpeername
;
584 case amd64_sys_socketpair
:
585 case amd64_x32_sys_socketpair
:
586 return gdb_sys_socketpair
;
588 case amd64_sys_setsockopt
:
589 case amd64_x32_sys_setsockopt
:
590 return gdb_sys_setsockopt
;
592 case amd64_sys_getsockopt
:
593 case amd64_x32_sys_getsockopt
:
594 return gdb_sys_getsockopt
;
596 case amd64_sys_clone
:
597 case amd64_x32_sys_clone
:
598 return gdb_sys_clone
;
601 case amd64_x32_sys_fork
:
604 case amd64_sys_vfork
:
605 case amd64_x32_sys_vfork
:
606 return gdb_sys_vfork
;
608 case amd64_sys_execve
:
609 case amd64_x32_sys_execve
:
610 return gdb_sys_execve
;
613 case amd64_x32_sys_exit
:
616 case amd64_sys_wait4
:
617 case amd64_x32_sys_wait4
:
618 return gdb_sys_wait4
;
621 case amd64_x32_sys_kill
:
624 case amd64_sys_uname
:
625 case amd64_x32_sys_uname
:
626 return gdb_sys_uname
;
628 case amd64_sys_semget
:
629 case amd64_x32_sys_semget
:
630 return gdb_sys_semget
;
632 case amd64_sys_semop
:
633 case amd64_x32_sys_semop
:
634 return gdb_sys_semop
;
636 case amd64_sys_semctl
:
637 case amd64_x32_sys_semctl
:
638 return gdb_sys_semctl
;
640 case amd64_sys_shmdt
:
641 case amd64_x32_sys_shmdt
:
642 return gdb_sys_shmdt
;
644 case amd64_sys_msgget
:
645 case amd64_x32_sys_msgget
:
646 return gdb_sys_msgget
;
648 case amd64_sys_msgsnd
:
649 case amd64_x32_sys_msgsnd
:
650 return gdb_sys_msgsnd
;
652 case amd64_sys_msgrcv
:
653 case amd64_x32_sys_msgrcv
:
654 return gdb_sys_msgrcv
;
656 case amd64_sys_msgctl
:
657 case amd64_x32_sys_msgctl
:
658 return gdb_sys_msgctl
;
660 case amd64_sys_fcntl
:
661 case amd64_x32_sys_fcntl
:
662 return gdb_sys_fcntl
;
664 case amd64_sys_flock
:
665 case amd64_x32_sys_flock
:
666 return gdb_sys_flock
;
668 case amd64_sys_fsync
:
669 case amd64_x32_sys_fsync
:
670 return gdb_sys_fsync
;
672 case amd64_sys_fdatasync
:
673 case amd64_x32_sys_fdatasync
:
674 return gdb_sys_fdatasync
;
676 case amd64_sys_truncate
:
677 case amd64_x32_sys_truncate
:
678 return gdb_sys_truncate
;
680 case amd64_sys_ftruncate
:
681 case amd64_x32_sys_ftruncate
:
682 return gdb_sys_ftruncate
;
684 case amd64_sys_getdents
:
685 case amd64_x32_sys_getdents
:
686 return gdb_sys_getdents
;
688 case amd64_sys_getcwd
:
689 case amd64_x32_sys_getcwd
:
690 return gdb_sys_getcwd
;
692 case amd64_sys_chdir
:
693 case amd64_x32_sys_chdir
:
694 return gdb_sys_chdir
;
696 case amd64_sys_fchdir
:
697 case amd64_x32_sys_fchdir
:
698 return gdb_sys_fchdir
;
700 case amd64_sys_rename
:
701 case amd64_x32_sys_rename
:
702 return gdb_sys_rename
;
704 case amd64_sys_mkdir
:
705 case amd64_x32_sys_mkdir
:
706 return gdb_sys_mkdir
;
708 case amd64_sys_rmdir
:
709 case amd64_x32_sys_rmdir
:
710 return gdb_sys_rmdir
;
712 case amd64_sys_creat
:
713 case amd64_x32_sys_creat
:
714 return gdb_sys_creat
;
717 case amd64_x32_sys_link
:
720 case amd64_sys_unlink
:
721 case amd64_x32_sys_unlink
:
722 return gdb_sys_unlink
;
724 case amd64_sys_symlink
:
725 case amd64_x32_sys_symlink
:
726 return gdb_sys_symlink
;
728 case amd64_sys_readlink
:
729 case amd64_x32_sys_readlink
:
730 return gdb_sys_readlink
;
732 case amd64_sys_chmod
:
733 case amd64_x32_sys_chmod
:
734 return gdb_sys_chmod
;
736 case amd64_sys_fchmod
:
737 case amd64_x32_sys_fchmod
:
738 return gdb_sys_fchmod
;
740 case amd64_sys_chown
:
741 case amd64_x32_sys_chown
:
742 return gdb_sys_chown
;
744 case amd64_sys_fchown
:
745 case amd64_x32_sys_fchown
:
746 return gdb_sys_fchown
;
748 case amd64_sys_lchown
:
749 case amd64_x32_sys_lchown
:
750 return gdb_sys_lchown
;
752 case amd64_sys_umask
:
753 case amd64_x32_sys_umask
:
754 return gdb_sys_umask
;
756 case amd64_sys_gettimeofday
:
757 case amd64_x32_sys_gettimeofday
:
758 return gdb_sys_gettimeofday
;
760 case amd64_sys_getrlimit
:
761 case amd64_x32_sys_getrlimit
:
762 return gdb_sys_getrlimit
;
764 case amd64_sys_getrusage
:
765 case amd64_x32_sys_getrusage
:
766 return gdb_sys_getrusage
;
768 case amd64_sys_sysinfo
:
769 case amd64_x32_sys_sysinfo
:
770 return gdb_sys_sysinfo
;
772 case amd64_sys_times
:
773 case amd64_x32_sys_times
:
774 return gdb_sys_times
;
776 case amd64_sys_ptrace
:
777 case amd64_x32_sys_ptrace
:
778 return gdb_sys_ptrace
;
780 case amd64_sys_getuid
:
781 case amd64_x32_sys_getuid
:
782 return gdb_sys_getuid
;
784 case amd64_sys_syslog
:
785 case amd64_x32_sys_syslog
:
786 return gdb_sys_syslog
;
788 case amd64_sys_getgid
:
789 case amd64_x32_sys_getgid
:
790 return gdb_sys_getgid
;
792 case amd64_sys_setuid
:
793 case amd64_x32_sys_setuid
:
794 return gdb_sys_setuid
;
796 case amd64_sys_setgid
:
797 case amd64_x32_sys_setgid
:
798 return gdb_sys_setgid
;
800 case amd64_sys_geteuid
:
801 case amd64_x32_sys_geteuid
:
802 return gdb_sys_geteuid
;
804 case amd64_sys_getegid
:
805 case amd64_x32_sys_getegid
:
806 return gdb_sys_getegid
;
808 case amd64_sys_setpgid
:
809 case amd64_x32_sys_setpgid
:
810 return gdb_sys_setpgid
;
812 case amd64_sys_getppid
:
813 case amd64_x32_sys_getppid
:
814 return gdb_sys_getppid
;
816 case amd64_sys_getpgrp
:
817 case amd64_x32_sys_getpgrp
:
818 return gdb_sys_getpgrp
;
820 case amd64_sys_setsid
:
821 case amd64_x32_sys_setsid
:
822 return gdb_sys_setsid
;
824 case amd64_sys_setreuid
:
825 case amd64_x32_sys_setreuid
:
826 return gdb_sys_setreuid
;
828 case amd64_sys_setregid
:
829 case amd64_x32_sys_setregid
:
830 return gdb_sys_setregid
;
832 case amd64_sys_getgroups
:
833 case amd64_x32_sys_getgroups
:
834 return gdb_sys_getgroups
;
836 case amd64_sys_setgroups
:
837 case amd64_x32_sys_setgroups
:
838 return gdb_sys_setgroups
;
840 case amd64_sys_setresuid
:
841 case amd64_x32_sys_setresuid
:
842 return gdb_sys_setresuid
;
844 case amd64_sys_getresuid
:
845 case amd64_x32_sys_getresuid
:
846 return gdb_sys_getresuid
;
848 case amd64_sys_setresgid
:
849 case amd64_x32_sys_setresgid
:
850 return gdb_sys_setresgid
;
852 case amd64_sys_getresgid
:
853 case amd64_x32_sys_getresgid
:
854 return gdb_sys_getresgid
;
856 case amd64_sys_getpgid
:
857 case amd64_x32_sys_getpgid
:
858 return gdb_sys_getpgid
;
860 case amd64_sys_setfsuid
:
861 case amd64_x32_sys_setfsuid
:
862 return gdb_sys_setfsuid
;
864 case amd64_sys_setfsgid
:
865 case amd64_x32_sys_setfsgid
:
866 return gdb_sys_setfsgid
;
868 case amd64_sys_getsid
:
869 case amd64_x32_sys_getsid
:
870 return gdb_sys_getsid
;
872 case amd64_sys_capget
:
873 case amd64_x32_sys_capget
:
874 return gdb_sys_capget
;
876 case amd64_sys_capset
:
877 case amd64_x32_sys_capset
:
878 return gdb_sys_capset
;
880 case amd64_sys_rt_sigpending
:
881 case amd64_x32_sys_rt_sigpending
:
882 return gdb_sys_rt_sigpending
;
884 case amd64_sys_rt_sigtimedwait
:
885 case amd64_x32_sys_rt_sigtimedwait
:
886 return gdb_sys_rt_sigtimedwait
;
888 case amd64_sys_rt_sigqueueinfo
:
889 case amd64_x32_sys_rt_sigqueueinfo
:
890 return gdb_sys_rt_sigqueueinfo
;
892 case amd64_sys_rt_sigsuspend
:
893 case amd64_x32_sys_rt_sigsuspend
:
894 return gdb_sys_rt_sigsuspend
;
896 case amd64_sys_sigaltstack
:
897 case amd64_x32_sys_sigaltstack
:
898 return gdb_sys_sigaltstack
;
900 case amd64_sys_utime
:
901 case amd64_x32_sys_utime
:
902 return gdb_sys_utime
;
904 case amd64_sys_mknod
:
905 case amd64_x32_sys_mknod
:
906 return gdb_sys_mknod
;
908 case amd64_sys_personality
:
909 case amd64_x32_sys_personality
:
910 return gdb_sys_personality
;
912 case amd64_sys_ustat
:
913 case amd64_x32_sys_ustat
:
914 return gdb_sys_ustat
;
916 case amd64_sys_statfs
:
917 case amd64_x32_sys_statfs
:
918 return gdb_sys_statfs
;
920 case amd64_sys_fstatfs
:
921 case amd64_x32_sys_fstatfs
:
922 return gdb_sys_fstatfs
;
924 case amd64_sys_sysfs
:
925 case amd64_x32_sys_sysfs
:
926 return gdb_sys_sysfs
;
928 case amd64_sys_getpriority
:
929 case amd64_x32_sys_getpriority
:
930 return gdb_sys_getpriority
;
932 case amd64_sys_setpriority
:
933 case amd64_x32_sys_setpriority
:
934 return gdb_sys_setpriority
;
936 case amd64_sys_sched_setparam
:
937 case amd64_x32_sys_sched_setparam
:
938 return gdb_sys_sched_setparam
;
940 case amd64_sys_sched_getparam
:
941 case amd64_x32_sys_sched_getparam
:
942 return gdb_sys_sched_getparam
;
944 case amd64_sys_sched_setscheduler
:
945 case amd64_x32_sys_sched_setscheduler
:
946 return gdb_sys_sched_setscheduler
;
948 case amd64_sys_sched_getscheduler
:
949 case amd64_x32_sys_sched_getscheduler
:
950 return gdb_sys_sched_getscheduler
;
952 case amd64_sys_sched_get_priority_max
:
953 case amd64_x32_sys_sched_get_priority_max
:
954 return gdb_sys_sched_get_priority_max
;
956 case amd64_sys_sched_get_priority_min
:
957 case amd64_x32_sys_sched_get_priority_min
:
958 return gdb_sys_sched_get_priority_min
;
960 case amd64_sys_sched_rr_get_interval
:
961 case amd64_x32_sys_sched_rr_get_interval
:
962 return gdb_sys_sched_rr_get_interval
;
964 case amd64_sys_mlock
:
965 case amd64_x32_sys_mlock
:
966 return gdb_sys_mlock
;
968 case amd64_sys_munlock
:
969 case amd64_x32_sys_munlock
:
970 return gdb_sys_munlock
;
972 case amd64_sys_mlockall
:
973 case amd64_x32_sys_mlockall
:
974 return gdb_sys_mlockall
;
976 case amd64_sys_munlockall
:
977 case amd64_x32_sys_munlockall
:
978 return gdb_sys_munlockall
;
980 case amd64_sys_vhangup
:
981 case amd64_x32_sys_vhangup
:
982 return gdb_sys_vhangup
;
984 case amd64_sys_modify_ldt
:
985 case amd64_x32_sys_modify_ldt
:
986 return gdb_sys_modify_ldt
;
988 case amd64_sys_pivot_root
:
989 case amd64_x32_sys_pivot_root
:
990 return gdb_sys_pivot_root
;
992 case amd64_sys_sysctl
:
993 case amd64_x32_sys_sysctl
:
994 return gdb_sys_sysctl
;
996 case amd64_sys_prctl
:
997 case amd64_x32_sys_prctl
:
998 return gdb_sys_prctl
;
1000 case amd64_sys_arch_prctl
:
1001 case amd64_x32_sys_arch_prctl
:
1002 return gdb_sys_no_syscall
; /* Note */
1004 case amd64_sys_adjtimex
:
1005 case amd64_x32_sys_adjtimex
:
1006 return gdb_sys_adjtimex
;
1008 case amd64_sys_setrlimit
:
1009 case amd64_x32_sys_setrlimit
:
1010 return gdb_sys_setrlimit
;
1012 case amd64_sys_chroot
:
1013 case amd64_x32_sys_chroot
:
1014 return gdb_sys_chroot
;
1016 case amd64_sys_sync
:
1017 case amd64_x32_sys_sync
:
1018 return gdb_sys_sync
;
1020 case amd64_sys_acct
:
1021 case amd64_x32_sys_acct
:
1022 return gdb_sys_acct
;
1024 case amd64_sys_settimeofday
:
1025 case amd64_x32_sys_settimeofday
:
1026 return gdb_sys_settimeofday
;
1028 case amd64_sys_mount
:
1029 case amd64_x32_sys_mount
:
1030 return gdb_sys_mount
;
1032 case amd64_sys_umount
:
1033 case amd64_x32_sys_umount
:
1034 return gdb_sys_umount
;
1036 case amd64_sys_swapon
:
1037 case amd64_x32_sys_swapon
:
1038 return gdb_sys_swapon
;
1040 case amd64_sys_swapoff
:
1041 case amd64_x32_sys_swapoff
:
1042 return gdb_sys_swapoff
;
1044 case amd64_sys_reboot
:
1045 case amd64_x32_sys_reboot
:
1046 return gdb_sys_reboot
;
1048 case amd64_sys_sethostname
:
1049 case amd64_x32_sys_sethostname
:
1050 return gdb_sys_sethostname
;
1052 case amd64_sys_setdomainname
:
1053 case amd64_x32_sys_setdomainname
:
1054 return gdb_sys_setdomainname
;
1056 case amd64_sys_iopl
:
1057 case amd64_x32_sys_iopl
:
1058 return gdb_sys_iopl
;
1060 case amd64_sys_ioperm
:
1061 case amd64_x32_sys_ioperm
:
1062 return gdb_sys_ioperm
;
1064 case amd64_sys_init_module
:
1065 case amd64_x32_sys_init_module
:
1066 return gdb_sys_init_module
;
1068 case amd64_sys_delete_module
:
1069 case amd64_x32_sys_delete_module
:
1070 return gdb_sys_delete_module
;
1072 case amd64_sys_quotactl
:
1073 case amd64_x32_sys_quotactl
:
1074 return gdb_sys_quotactl
;
1076 case amd64_sys_nfsservctl
:
1077 return gdb_sys_nfsservctl
;
1079 case amd64_sys_gettid
:
1080 case amd64_x32_sys_gettid
:
1081 return gdb_sys_gettid
;
1083 case amd64_sys_readahead
:
1084 case amd64_x32_sys_readahead
:
1085 return gdb_sys_readahead
;
1087 case amd64_sys_setxattr
:
1088 case amd64_x32_sys_setxattr
:
1089 return gdb_sys_setxattr
;
1091 case amd64_sys_lsetxattr
:
1092 case amd64_x32_sys_lsetxattr
:
1093 return gdb_sys_lsetxattr
;
1095 case amd64_sys_fsetxattr
:
1096 case amd64_x32_sys_fsetxattr
:
1097 return gdb_sys_fsetxattr
;
1099 case amd64_sys_getxattr
:
1100 case amd64_x32_sys_getxattr
:
1101 return gdb_sys_getxattr
;
1103 case amd64_sys_lgetxattr
:
1104 case amd64_x32_sys_lgetxattr
:
1105 return gdb_sys_lgetxattr
;
1107 case amd64_sys_fgetxattr
:
1108 case amd64_x32_sys_fgetxattr
:
1109 return gdb_sys_fgetxattr
;
1111 case amd64_sys_listxattr
:
1112 case amd64_x32_sys_listxattr
:
1113 return gdb_sys_listxattr
;
1115 case amd64_sys_llistxattr
:
1116 case amd64_x32_sys_llistxattr
:
1117 return gdb_sys_llistxattr
;
1119 case amd64_sys_flistxattr
:
1120 case amd64_x32_sys_flistxattr
:
1121 return gdb_sys_flistxattr
;
1123 case amd64_sys_removexattr
:
1124 case amd64_x32_sys_removexattr
:
1125 return gdb_sys_removexattr
;
1127 case amd64_sys_lremovexattr
:
1128 case amd64_x32_sys_lremovexattr
:
1129 return gdb_sys_lremovexattr
;
1131 case amd64_sys_fremovexattr
:
1132 case amd64_x32_sys_fremovexattr
:
1133 return gdb_sys_fremovexattr
;
1135 case amd64_sys_tkill
:
1136 case amd64_x32_sys_tkill
:
1137 return gdb_sys_tkill
;
1139 case amd64_sys_time
:
1140 case amd64_x32_sys_time
:
1141 return gdb_sys_time
;
1143 case amd64_sys_futex
:
1144 case amd64_x32_sys_futex
:
1145 return gdb_sys_futex
;
1147 case amd64_sys_sched_setaffinity
:
1148 case amd64_x32_sys_sched_setaffinity
:
1149 return gdb_sys_sched_setaffinity
;
1151 case amd64_sys_sched_getaffinity
:
1152 case amd64_x32_sys_sched_getaffinity
:
1153 return gdb_sys_sched_getaffinity
;
1155 case amd64_sys_io_setup
:
1156 case amd64_x32_sys_io_setup
:
1157 return gdb_sys_io_setup
;
1159 case amd64_sys_io_destroy
:
1160 case amd64_x32_sys_io_destroy
:
1161 return gdb_sys_io_destroy
;
1163 case amd64_sys_io_getevents
:
1164 case amd64_x32_sys_io_getevents
:
1165 return gdb_sys_io_getevents
;
1167 case amd64_sys_io_submit
:
1168 case amd64_x32_sys_io_submit
:
1169 return gdb_sys_io_submit
;
1171 case amd64_sys_io_cancel
:
1172 case amd64_x32_sys_io_cancel
:
1173 return gdb_sys_io_cancel
;
1175 case amd64_sys_lookup_dcookie
:
1176 case amd64_x32_sys_lookup_dcookie
:
1177 return gdb_sys_lookup_dcookie
;
1179 case amd64_sys_epoll_create
:
1180 case amd64_x32_sys_epoll_create
:
1181 return gdb_sys_epoll_create
;
1183 case amd64_sys_remap_file_pages
:
1184 case amd64_x32_sys_remap_file_pages
:
1185 return gdb_sys_remap_file_pages
;
1187 case amd64_sys_getdents64
:
1188 case amd64_x32_sys_getdents64
:
1189 return gdb_sys_getdents64
;
1191 case amd64_sys_set_tid_address
:
1192 case amd64_x32_sys_set_tid_address
:
1193 return gdb_sys_set_tid_address
;
1195 case amd64_sys_restart_syscall
:
1196 case amd64_x32_sys_restart_syscall
:
1197 return gdb_sys_restart_syscall
;
1199 case amd64_sys_semtimedop
:
1200 case amd64_x32_sys_semtimedop
:
1201 return gdb_sys_semtimedop
;
1203 case amd64_sys_fadvise64
:
1204 case amd64_x32_sys_fadvise64
:
1205 return gdb_sys_fadvise64
;
1207 case amd64_sys_timer_create
:
1208 case amd64_x32_sys_timer_create
:
1209 return gdb_sys_timer_create
;
1211 case amd64_sys_timer_settime
:
1212 case amd64_x32_sys_timer_settime
:
1213 return gdb_sys_timer_settime
;
1215 case amd64_sys_timer_gettime
:
1216 case amd64_x32_sys_timer_gettime
:
1217 return gdb_sys_timer_gettime
;
1219 case amd64_sys_timer_getoverrun
:
1220 case amd64_x32_sys_timer_getoverrun
:
1221 return gdb_sys_timer_getoverrun
;
1223 case amd64_sys_timer_delete
:
1224 case amd64_x32_sys_timer_delete
:
1225 return gdb_sys_timer_delete
;
1227 case amd64_sys_clock_settime
:
1228 case amd64_x32_sys_clock_settime
:
1229 return gdb_sys_clock_settime
;
1231 case amd64_sys_clock_gettime
:
1232 case amd64_x32_sys_clock_gettime
:
1233 return gdb_sys_clock_gettime
;
1235 case amd64_sys_clock_getres
:
1236 case amd64_x32_sys_clock_getres
:
1237 return gdb_sys_clock_getres
;
1239 case amd64_sys_clock_nanosleep
:
1240 case amd64_x32_sys_clock_nanosleep
:
1241 return gdb_sys_clock_nanosleep
;
1243 case amd64_sys_exit_group
:
1244 case amd64_x32_sys_exit_group
:
1245 return gdb_sys_exit_group
;
1247 case amd64_sys_epoll_wait
:
1248 case amd64_x32_sys_epoll_wait
:
1249 return gdb_sys_epoll_wait
;
1251 case amd64_sys_epoll_ctl
:
1252 case amd64_x32_sys_epoll_ctl
:
1253 return gdb_sys_epoll_ctl
;
1255 case amd64_sys_tgkill
:
1256 case amd64_x32_sys_tgkill
:
1257 return gdb_sys_tgkill
;
1259 case amd64_sys_utimes
:
1260 case amd64_x32_sys_utimes
:
1261 return gdb_sys_utimes
;
1263 case amd64_sys_mbind
:
1264 case amd64_x32_sys_mbind
:
1265 return gdb_sys_mbind
;
1267 case amd64_sys_set_mempolicy
:
1268 case amd64_x32_sys_set_mempolicy
:
1269 return gdb_sys_set_mempolicy
;
1271 case amd64_sys_get_mempolicy
:
1272 case amd64_x32_sys_get_mempolicy
:
1273 return gdb_sys_get_mempolicy
;
1275 case amd64_sys_mq_open
:
1276 case amd64_x32_sys_mq_open
:
1277 return gdb_sys_mq_open
;
1279 case amd64_sys_mq_unlink
:
1280 case amd64_x32_sys_mq_unlink
:
1281 return gdb_sys_mq_unlink
;
1283 case amd64_sys_mq_timedsend
:
1284 case amd64_x32_sys_mq_timedsend
:
1285 return gdb_sys_mq_timedsend
;
1287 case amd64_sys_mq_timedreceive
:
1288 case amd64_x32_sys_mq_timedreceive
:
1289 return gdb_sys_mq_timedreceive
;
1291 case amd64_sys_mq_notify
:
1292 case amd64_x32_sys_mq_notify
:
1293 return gdb_sys_mq_notify
;
1295 case amd64_sys_mq_getsetattr
:
1296 case amd64_x32_sys_mq_getsetattr
:
1297 return gdb_sys_mq_getsetattr
;
1299 case amd64_sys_kexec_load
:
1300 case amd64_x32_sys_kexec_load
:
1301 return gdb_sys_kexec_load
;
1303 case amd64_sys_waitid
:
1304 case amd64_x32_sys_waitid
:
1305 return gdb_sys_waitid
;
1307 case amd64_sys_add_key
:
1308 case amd64_x32_sys_add_key
:
1309 return gdb_sys_add_key
;
1311 case amd64_sys_request_key
:
1312 case amd64_x32_sys_request_key
:
1313 return gdb_sys_request_key
;
1315 case amd64_sys_keyctl
:
1316 case amd64_x32_sys_keyctl
:
1317 return gdb_sys_keyctl
;
1319 case amd64_sys_ioprio_set
:
1320 case amd64_x32_sys_ioprio_set
:
1321 return gdb_sys_ioprio_set
;
1323 case amd64_sys_ioprio_get
:
1324 case amd64_x32_sys_ioprio_get
:
1325 return gdb_sys_ioprio_get
;
1327 case amd64_sys_inotify_init
:
1328 case amd64_x32_sys_inotify_init
:
1329 return gdb_sys_inotify_init
;
1331 case amd64_sys_inotify_add_watch
:
1332 case amd64_x32_sys_inotify_add_watch
:
1333 return gdb_sys_inotify_add_watch
;
1335 case amd64_sys_inotify_rm_watch
:
1336 case amd64_x32_sys_inotify_rm_watch
:
1337 return gdb_sys_inotify_rm_watch
;
1339 case amd64_sys_migrate_pages
:
1340 case amd64_x32_sys_migrate_pages
:
1341 return gdb_sys_migrate_pages
;
1343 case amd64_sys_openat
:
1344 case amd64_x32_sys_openat
:
1345 return gdb_sys_openat
;
1347 case amd64_sys_mkdirat
:
1348 case amd64_x32_sys_mkdirat
:
1349 return gdb_sys_mkdirat
;
1351 case amd64_sys_mknodat
:
1352 case amd64_x32_sys_mknodat
:
1353 return gdb_sys_mknodat
;
1355 case amd64_sys_fchownat
:
1356 case amd64_x32_sys_fchownat
:
1357 return gdb_sys_fchownat
;
1359 case amd64_sys_futimesat
:
1360 case amd64_x32_sys_futimesat
:
1361 return gdb_sys_futimesat
;
1363 case amd64_sys_newfstatat
:
1364 case amd64_x32_sys_newfstatat
:
1365 return gdb_sys_newfstatat
;
1367 case amd64_sys_unlinkat
:
1368 case amd64_x32_sys_unlinkat
:
1369 return gdb_sys_unlinkat
;
1371 case amd64_sys_renameat
:
1372 case amd64_x32_sys_renameat
:
1373 return gdb_sys_renameat
;
1375 case amd64_sys_linkat
:
1376 case amd64_x32_sys_linkat
:
1377 return gdb_sys_linkat
;
1379 case amd64_sys_symlinkat
:
1380 case amd64_x32_sys_symlinkat
:
1381 return gdb_sys_symlinkat
;
1383 case amd64_sys_readlinkat
:
1384 case amd64_x32_sys_readlinkat
:
1385 return gdb_sys_readlinkat
;
1387 case amd64_sys_fchmodat
:
1388 case amd64_x32_sys_fchmodat
:
1389 return gdb_sys_fchmodat
;
1391 case amd64_sys_faccessat
:
1392 case amd64_x32_sys_faccessat
:
1393 return gdb_sys_faccessat
;
1395 case amd64_sys_pselect6
:
1396 case amd64_x32_sys_pselect6
:
1397 return gdb_sys_pselect6
;
1399 case amd64_sys_ppoll
:
1400 case amd64_x32_sys_ppoll
:
1401 return gdb_sys_ppoll
;
1403 case amd64_sys_unshare
:
1404 case amd64_x32_sys_unshare
:
1405 return gdb_sys_unshare
;
1407 case amd64_sys_set_robust_list
:
1408 case amd64_x32_sys_set_robust_list
:
1409 return gdb_sys_set_robust_list
;
1411 case amd64_sys_get_robust_list
:
1412 case amd64_x32_sys_get_robust_list
:
1413 return gdb_sys_get_robust_list
;
1415 case amd64_sys_splice
:
1416 case amd64_x32_sys_splice
:
1417 return gdb_sys_splice
;
1420 case amd64_x32_sys_tee
:
1423 case amd64_sys_sync_file_range
:
1424 case amd64_x32_sys_sync_file_range
:
1425 return gdb_sys_sync_file_range
;
1427 case amd64_sys_vmsplice
:
1428 case amd64_x32_sys_vmsplice
:
1429 return gdb_sys_vmsplice
;
1431 case amd64_sys_move_pages
:
1432 case amd64_x32_sys_move_pages
:
1433 return gdb_sys_move_pages
;
1436 return gdb_sys_no_syscall
;
1442 /* Parse the arguments of current system call instruction and record
1443 the values of the registers and memory that will be changed into
1444 "record_full_arch_list". This instruction is "syscall".
1446 Return -1 if something wrong. */
1448 static struct linux_record_tdep amd64_linux_record_tdep
;
1449 static struct linux_record_tdep amd64_x32_linux_record_tdep
;
1451 #define RECORD_ARCH_GET_FS 0x1003
1452 #define RECORD_ARCH_GET_GS 0x1004
1455 amd64_linux_syscall_record_common (struct regcache
*regcache
,
1456 struct linux_record_tdep
*linux_record_tdep_p
)
1459 ULONGEST syscall_native
;
1460 enum gdb_syscall syscall_gdb
= gdb_sys_no_syscall
;
1462 regcache_raw_read_unsigned (regcache
, AMD64_RAX_REGNUM
, &syscall_native
);
1464 switch (syscall_native
)
1466 case amd64_sys_rt_sigreturn
:
1467 case amd64_x32_sys_rt_sigreturn
:
1468 if (amd64_all_but_ip_registers_record (regcache
))
1473 case amd64_sys_arch_prctl
:
1474 case amd64_x32_sys_arch_prctl
:
1477 regcache_raw_read_unsigned (regcache
, linux_record_tdep_p
->arg3
,
1479 if (arg3
== RECORD_ARCH_GET_FS
|| arg3
== RECORD_ARCH_GET_GS
)
1483 regcache_raw_read_unsigned (regcache
,
1484 linux_record_tdep_p
->arg2
,
1486 if (record_full_arch_list_add_mem
1487 (addr
, linux_record_tdep_p
->size_ulong
))
1496 = amd64_canonicalize_syscall ((enum amd64_syscall
) syscall_native
);
1498 if (syscall_gdb
== gdb_sys_no_syscall
)
1500 printf_unfiltered (_("Process record and replay target doesn't "
1501 "support syscall number %s\n"),
1502 pulongest (syscall_native
));
1507 ret
= record_linux_system_call (syscall_gdb
, regcache
,
1508 linux_record_tdep_p
);
1514 /* Record the return value of the system call. */
1515 if (record_full_arch_list_add_reg (regcache
, AMD64_RCX_REGNUM
))
1517 if (record_full_arch_list_add_reg (regcache
, AMD64_R11_REGNUM
))
1524 amd64_linux_syscall_record (struct regcache
*regcache
)
1526 return amd64_linux_syscall_record_common (regcache
,
1527 &amd64_linux_record_tdep
);
1531 amd64_x32_linux_syscall_record (struct regcache
*regcache
)
1533 return amd64_linux_syscall_record_common (regcache
,
1534 &amd64_x32_linux_record_tdep
);
1537 #define AMD64_LINUX_redzone 128
1538 #define AMD64_LINUX_xstate 512
1539 #define AMD64_LINUX_frame_size 560
1542 amd64_linux_record_signal (struct gdbarch
*gdbarch
,
1543 struct regcache
*regcache
,
1544 enum gdb_signal signal
)
1548 if (amd64_all_but_ip_registers_record (regcache
))
1551 if (record_full_arch_list_add_reg (regcache
, AMD64_RIP_REGNUM
))
1554 /* Record the change in the stack. */
1555 regcache_raw_read_unsigned (regcache
, AMD64_RSP_REGNUM
, &rsp
);
1558 rsp
-= AMD64_LINUX_redzone
;
1559 /* This is for xstate.
1560 sp -= sizeof (struct _fpstate); */
1561 rsp
-= AMD64_LINUX_xstate
;
1562 /* This is for frame_size.
1563 sp -= sizeof (struct rt_sigframe); */
1564 rsp
-= AMD64_LINUX_frame_size
;
1565 if (record_full_arch_list_add_mem (rsp
, AMD64_LINUX_redzone
1566 + AMD64_LINUX_xstate
1567 + AMD64_LINUX_frame_size
))
1570 if (record_full_arch_list_add_end ())
1577 amd64_linux_read_description (uint64_t xcr0_features_bit
, bool is_x32
)
1579 static target_desc
*amd64_linux_tdescs \
1580 [2/*AVX*/][2/*MPX*/][2/*AVX512*/][2/*PKRU*/] = {};
1581 static target_desc
*x32_linux_tdescs
[2/*AVX*/][2/*AVX512*/] = {};
1583 target_desc
**tdesc
;
1587 tdesc
= &x32_linux_tdescs
[(xcr0_features_bit
& X86_XSTATE_AVX
) ? 1 : 0 ]
1588 [(xcr0_features_bit
& X86_XSTATE_AVX512
) ? 1 : 0];
1592 tdesc
= &amd64_linux_tdescs
[(xcr0_features_bit
& X86_XSTATE_AVX
) ? 1 : 0]
1593 [(xcr0_features_bit
& X86_XSTATE_MPX
) ? 1 : 0]
1594 [(xcr0_features_bit
& X86_XSTATE_AVX512
) ? 1 : 0]
1595 [(xcr0_features_bit
& X86_XSTATE_PKRU
) ? 1 : 0];
1599 *tdesc
= amd64_create_target_description (xcr0_features_bit
, is_x32
,
1605 /* Get Linux/x86 target description from core dump. */
1607 static const struct target_desc
*
1608 amd64_linux_core_read_description (struct gdbarch
*gdbarch
,
1609 struct target_ops
*target
,
1613 uint64_t xcr0
= i386_linux_core_read_xcr0 (abfd
);
1615 return amd64_linux_read_description (xcr0
& X86_XSTATE_ALL_MASK
,
1616 gdbarch_ptr_bit (gdbarch
) == 32);
1619 /* Similar to amd64_supply_fpregset, but use XSAVE extended state. */
1622 amd64_linux_supply_xstateregset (const struct regset
*regset
,
1623 struct regcache
*regcache
, int regnum
,
1624 const void *xstateregs
, size_t len
)
1626 amd64_supply_xsave (regcache
, regnum
, xstateregs
);
1629 /* Similar to amd64_collect_fpregset, but use XSAVE extended state. */
1632 amd64_linux_collect_xstateregset (const struct regset
*regset
,
1633 const struct regcache
*regcache
,
1634 int regnum
, void *xstateregs
, size_t len
)
1636 amd64_collect_xsave (regcache
, regnum
, xstateregs
, 1);
1639 static const struct regset amd64_linux_xstateregset
=
1642 amd64_linux_supply_xstateregset
,
1643 amd64_linux_collect_xstateregset
1646 /* Iterate over core file register note sections. */
1649 amd64_linux_iterate_over_regset_sections (struct gdbarch
*gdbarch
,
1650 iterate_over_regset_sections_cb
*cb
,
1652 const struct regcache
*regcache
)
1654 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1656 cb (".reg", 27 * 8, 27 * 8, &i386_gregset
, NULL
, cb_data
);
1657 cb (".reg2", 512, 512, &amd64_fpregset
, NULL
, cb_data
);
1658 cb (".reg-xstate", X86_XSTATE_SIZE (tdep
->xcr0
), X86_XSTATE_SIZE (tdep
->xcr0
),
1659 &amd64_linux_xstateregset
, "XSAVE extended state", cb_data
);
1662 /* The instruction sequences used in x86_64 machines for a
1663 disabled is-enabled probe. */
1665 const gdb_byte amd64_dtrace_disabled_probe_sequence_1
[] = {
1666 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1671 const gdb_byte amd64_dtrace_disabled_probe_sequence_2
[] = {
1672 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1677 /* The instruction sequence used in x86_64 machines for enabling a
1678 DTrace is-enabled probe. */
1680 const gdb_byte amd64_dtrace_enable_probe_sequence
[] = {
1681 /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00
1684 /* The instruction sequence used in x86_64 machines for disabling a
1685 DTrace is-enabled probe. */
1687 const gdb_byte amd64_dtrace_disable_probe_sequence
[] = {
1688 /* xor %rax, %rax; nop; nop */ 0x48, 0x33, 0xC0, 0x90, 0x90
1691 /* Implementation of `gdbarch_dtrace_probe_is_enabled', as defined in
1695 amd64_dtrace_probe_is_enabled (struct gdbarch
*gdbarch
, CORE_ADDR addr
)
1699 /* This function returns 1 if the instructions at ADDR do _not_
1700 follow any of the amd64_dtrace_disabled_probe_sequence_*
1703 Note that ADDR is offset 3 bytes from the beginning of these
1706 read_code (addr
- 3, buf
, 5);
1707 return (memcmp (buf
, amd64_dtrace_disabled_probe_sequence_1
, 5) != 0
1708 && memcmp (buf
, amd64_dtrace_disabled_probe_sequence_2
, 5) != 0);
1711 /* Implementation of `gdbarch_dtrace_enable_probe', as defined in
1715 amd64_dtrace_enable_probe (struct gdbarch
*gdbarch
, CORE_ADDR addr
)
1717 /* Note also that ADDR is offset 3 bytes from the beginning of
1718 amd64_dtrace_enable_probe_sequence. */
1720 write_memory (addr
- 3, amd64_dtrace_enable_probe_sequence
, 5);
1723 /* Implementation of `gdbarch_dtrace_disable_probe', as defined in
1727 amd64_dtrace_disable_probe (struct gdbarch
*gdbarch
, CORE_ADDR addr
)
1729 /* Note also that ADDR is offset 3 bytes from the beginning of
1730 amd64_dtrace_disable_probe_sequence. */
1732 write_memory (addr
- 3, amd64_dtrace_disable_probe_sequence
, 5);
1735 /* Implementation of `gdbarch_dtrace_parse_probe_argument', as defined
1739 amd64_dtrace_parse_probe_argument (struct gdbarch
*gdbarch
,
1740 struct expr_builder
*builder
,
1745 /* DTrace probe arguments can be found on the ABI-defined places for
1746 regular arguments at the current PC. The probe abstraction
1747 currently supports up to 12 arguments for probes. */
1751 static const int arg_reg_map
[6] =
1753 AMD64_RDI_REGNUM
, /* Arg 1. */
1754 AMD64_RSI_REGNUM
, /* Arg 2. */
1755 AMD64_RDX_REGNUM
, /* Arg 3. */
1756 AMD64_RCX_REGNUM
, /* Arg 4. */
1757 AMD64_R8_REGNUM
, /* Arg 5. */
1758 AMD64_R9_REGNUM
/* Arg 6. */
1760 int regno
= arg_reg_map
[narg
];
1761 const char *regname
= user_reg_map_regnum_to_name (gdbarch
, regno
);
1763 write_exp_elt_opcode (builder
, OP_REGISTER
);
1765 str
.length
= strlen (regname
);
1766 write_exp_string (builder
, str
);
1767 write_exp_elt_opcode (builder
, OP_REGISTER
);
1771 /* Additional arguments are passed on the stack. */
1772 const char *regname
= user_reg_map_regnum_to_name (gdbarch
, AMD64_RSP_REGNUM
);
1775 write_exp_elt_opcode (builder
, OP_LONG
);
1776 write_exp_elt_type (builder
, builtin_type (gdbarch
)->builtin_long
);
1777 write_exp_elt_longcst (builder
, narg
- 6);
1778 write_exp_elt_opcode (builder
, OP_LONG
);
1781 write_exp_elt_opcode (builder
, OP_REGISTER
);
1783 str
.length
= strlen (regname
);
1784 write_exp_string (builder
, str
);
1785 write_exp_elt_opcode (builder
, OP_REGISTER
);
1787 write_exp_elt_opcode (builder
, BINOP_ADD
);
1790 write_exp_elt_opcode (builder
, UNOP_CAST
);
1791 write_exp_elt_type (builder
,
1792 lookup_pointer_type (builtin_type (gdbarch
)->builtin_long
));
1793 write_exp_elt_opcode (builder
, UNOP_CAST
);
1795 write_exp_elt_opcode (builder
, UNOP_IND
);
1799 struct amd64_linux_per_inferior
1801 amd64_linux_per_inferior (CORE_ADDR disp_step_buffer_addr
)
1802 : disp_step_buf_mgr (disp_step_buffer_addr
)
1805 single_displaced_buffer_manager disp_step_buf_mgr
;
1808 static const inferior_key
<amd64_linux_per_inferior
>
1809 amd64_linux_per_inferior_data
;
1811 /* Get the per-inferior AMD64/Linux data for INF. */
1813 static amd64_linux_per_inferior
*
1814 get_amd64_linux_per_inferior (inferior
*inf
, gdbarch
*arch
)
1816 amd64_linux_per_inferior
*per_inf
= amd64_linux_per_inferior_data
.get (inf
);
1818 if (per_inf
== nullptr)
1820 /* Figure out where the displaced step buffer is. */
1821 CORE_ADDR disp_step_buffer_addr
= linux_displaced_step_location (arch
);
1823 per_inf
= amd64_linux_per_inferior_data
.emplace (inf
, disp_step_buffer_addr
);
1829 /* Implementation of the gdbarch_displaced_step_prepare method. */
1831 static displaced_step_prepare_status
1832 amd64_linux_displaced_step_prepare (gdbarch
*arch
, thread_info
*thread
)
1834 amd64_linux_per_inferior
*per_inferior
1835 = get_amd64_linux_per_inferior (thread
->inf
, arch
);
1837 return per_inferior
->disp_step_buf_mgr
.prepare (thread
);
1840 /* Implementation of the gdbarch_displaced_step_finish method. */
1842 static displaced_step_finish_status
1843 amd64_linux_displaced_step_finish (gdbarch
*arch
, thread_info
*thread
,
1846 amd64_linux_per_inferior
*per_inferior
1847 = get_amd64_linux_per_inferior (thread
->inf
, arch
);
1849 return per_inferior
->disp_step_buf_mgr
.finish (arch
, thread
, sig
);
1853 amd64_linux_init_abi_common(struct gdbarch_info info
, struct gdbarch
*gdbarch
)
1855 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1857 linux_init_abi (info
, gdbarch
);
1859 tdep
->sigtramp_p
= amd64_linux_sigtramp_p
;
1860 tdep
->sigcontext_addr
= amd64_linux_sigcontext_addr
;
1861 tdep
->sc_reg_offset
= amd64_linux_sc_reg_offset
;
1862 tdep
->sc_num_regs
= ARRAY_SIZE (amd64_linux_sc_reg_offset
);
1864 tdep
->xsave_xcr0_offset
= I386_LINUX_XSAVE_XCR0_OFFSET
;
1866 /* Add the %orig_rax register used for syscall restarting. */
1867 set_gdbarch_write_pc (gdbarch
, amd64_linux_write_pc
);
1869 tdep
->register_reggroup_p
= amd64_linux_register_reggroup_p
;
1871 /* Functions for 'catch syscall'. */
1872 set_xml_syscall_file_name (gdbarch
, XML_SYSCALL_FILENAME_AMD64
);
1873 set_gdbarch_get_syscall_number (gdbarch
,
1874 amd64_linux_get_syscall_number
);
1876 /* Enable TLS support. */
1877 set_gdbarch_fetch_tls_load_module_address (gdbarch
,
1878 svr4_fetch_objfile_link_map
);
1880 /* GNU/Linux uses SVR4-style shared libraries. */
1881 set_gdbarch_skip_trampoline_code (gdbarch
, find_solib_trampoline_target
);
1883 /* GNU/Linux uses the dynamic linker included in the GNU C Library. */
1884 set_gdbarch_skip_solib_resolver (gdbarch
, glibc_skip_solib_resolver
);
1886 /* Iterate over core file register note sections. */
1887 set_gdbarch_iterate_over_regset_sections
1888 (gdbarch
, amd64_linux_iterate_over_regset_sections
);
1890 set_gdbarch_core_read_description (gdbarch
,
1891 amd64_linux_core_read_description
);
1893 /* Displaced stepping. */
1894 set_gdbarch_displaced_step_copy_insn (gdbarch
,
1895 amd64_displaced_step_copy_insn
);
1896 set_gdbarch_displaced_step_fixup (gdbarch
, amd64_displaced_step_fixup
);
1897 set_gdbarch_displaced_step_prepare (gdbarch
, amd64_linux_displaced_step_prepare
);
1898 set_gdbarch_displaced_step_finish (gdbarch
, amd64_linux_displaced_step_finish
);
1900 set_gdbarch_process_record (gdbarch
, i386_process_record
);
1901 set_gdbarch_process_record_signal (gdbarch
, amd64_linux_record_signal
);
1903 set_gdbarch_get_siginfo_type (gdbarch
, x86_linux_get_siginfo_type
);
1904 set_gdbarch_handle_segmentation_fault (gdbarch
,
1905 i386_linux_handle_segmentation_fault
);
1909 amd64_linux_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
1911 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1912 struct tdesc_arch_data
*tdesc_data
= info
.tdesc_data
;
1913 const struct tdesc_feature
*feature
;
1916 gdb_assert (tdesc_data
);
1918 tdep
->gregset_reg_offset
= amd64_linux_gregset_reg_offset
;
1919 tdep
->gregset_num_regs
= ARRAY_SIZE (amd64_linux_gregset_reg_offset
);
1920 tdep
->sizeof_gregset
= 27 * 8;
1922 amd64_init_abi (info
, gdbarch
,
1923 amd64_linux_read_description (X86_XSTATE_SSE_MASK
, false));
1925 const target_desc
*tdesc
= tdep
->tdesc
;
1927 /* Reserve a number for orig_rax. */
1928 set_gdbarch_num_regs (gdbarch
, AMD64_LINUX_NUM_REGS
);
1930 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.i386.linux");
1931 if (feature
== NULL
)
1934 valid_p
= tdesc_numbered_register (feature
, tdesc_data
,
1935 AMD64_LINUX_ORIG_RAX_REGNUM
,
1940 amd64_linux_init_abi_common (info
, gdbarch
);
1942 /* Initialize the amd64_linux_record_tdep. */
1943 /* These values are the size of the type that will be used in a system
1944 call. They are obtained from Linux Kernel source. */
1945 amd64_linux_record_tdep
.size_pointer
1946 = gdbarch_ptr_bit (gdbarch
) / TARGET_CHAR_BIT
;
1947 amd64_linux_record_tdep
.size__old_kernel_stat
= 32;
1948 amd64_linux_record_tdep
.size_tms
= 32;
1949 amd64_linux_record_tdep
.size_loff_t
= 8;
1950 amd64_linux_record_tdep
.size_flock
= 32;
1951 amd64_linux_record_tdep
.size_oldold_utsname
= 45;
1952 amd64_linux_record_tdep
.size_ustat
= 32;
1953 /* ADM64 doesn't need this size because it doesn't have sys_sigaction
1954 but sys_rt_sigaction. */
1955 amd64_linux_record_tdep
.size_old_sigaction
= 32;
1956 /* ADM64 doesn't need this size because it doesn't have sys_sigpending
1957 but sys_rt_sigpending. */
1958 amd64_linux_record_tdep
.size_old_sigset_t
= 8;
1959 amd64_linux_record_tdep
.size_rlimit
= 16;
1960 amd64_linux_record_tdep
.size_rusage
= 144;
1961 amd64_linux_record_tdep
.size_timeval
= 16;
1962 amd64_linux_record_tdep
.size_timezone
= 8;
1963 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
1964 but sys_getgroups. */
1965 amd64_linux_record_tdep
.size_old_gid_t
= 2;
1966 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
1967 but sys_getresuid. */
1968 amd64_linux_record_tdep
.size_old_uid_t
= 2;
1969 amd64_linux_record_tdep
.size_fd_set
= 128;
1970 /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
1971 amd64_linux_record_tdep
.size_old_dirent
= 280;
1972 amd64_linux_record_tdep
.size_statfs
= 120;
1973 amd64_linux_record_tdep
.size_statfs64
= 120;
1974 amd64_linux_record_tdep
.size_sockaddr
= 16;
1975 amd64_linux_record_tdep
.size_int
1976 = gdbarch_int_bit (gdbarch
) / TARGET_CHAR_BIT
;
1977 amd64_linux_record_tdep
.size_long
1978 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1979 amd64_linux_record_tdep
.size_ulong
1980 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1981 amd64_linux_record_tdep
.size_msghdr
= 56;
1982 amd64_linux_record_tdep
.size_itimerval
= 32;
1983 amd64_linux_record_tdep
.size_stat
= 144;
1984 amd64_linux_record_tdep
.size_old_utsname
= 325;
1985 amd64_linux_record_tdep
.size_sysinfo
= 112;
1986 amd64_linux_record_tdep
.size_msqid_ds
= 120;
1987 amd64_linux_record_tdep
.size_shmid_ds
= 112;
1988 amd64_linux_record_tdep
.size_new_utsname
= 390;
1989 amd64_linux_record_tdep
.size_timex
= 208;
1990 amd64_linux_record_tdep
.size_mem_dqinfo
= 24;
1991 amd64_linux_record_tdep
.size_if_dqblk
= 72;
1992 amd64_linux_record_tdep
.size_fs_quota_stat
= 80;
1993 amd64_linux_record_tdep
.size_timespec
= 16;
1994 amd64_linux_record_tdep
.size_pollfd
= 8;
1995 amd64_linux_record_tdep
.size_NFS_FHSIZE
= 32;
1996 amd64_linux_record_tdep
.size_knfsd_fh
= 132;
1997 amd64_linux_record_tdep
.size_TASK_COMM_LEN
= 16;
1998 amd64_linux_record_tdep
.size_sigaction
= 32;
1999 amd64_linux_record_tdep
.size_sigset_t
= 8;
2000 amd64_linux_record_tdep
.size_siginfo_t
= 128;
2001 amd64_linux_record_tdep
.size_cap_user_data_t
= 8;
2002 amd64_linux_record_tdep
.size_stack_t
= 24;
2003 amd64_linux_record_tdep
.size_off_t
= 8;
2004 amd64_linux_record_tdep
.size_stat64
= 144;
2005 amd64_linux_record_tdep
.size_gid_t
= 4;
2006 amd64_linux_record_tdep
.size_uid_t
= 4;
2007 amd64_linux_record_tdep
.size_PAGE_SIZE
= 4096;
2008 amd64_linux_record_tdep
.size_flock64
= 32;
2009 amd64_linux_record_tdep
.size_user_desc
= 16;
2010 amd64_linux_record_tdep
.size_io_event
= 32;
2011 amd64_linux_record_tdep
.size_iocb
= 64;
2012 amd64_linux_record_tdep
.size_epoll_event
= 12;
2013 amd64_linux_record_tdep
.size_itimerspec
= 32;
2014 amd64_linux_record_tdep
.size_mq_attr
= 64;
2015 amd64_linux_record_tdep
.size_termios
= 36;
2016 amd64_linux_record_tdep
.size_termios2
= 44;
2017 amd64_linux_record_tdep
.size_pid_t
= 4;
2018 amd64_linux_record_tdep
.size_winsize
= 8;
2019 amd64_linux_record_tdep
.size_serial_struct
= 72;
2020 amd64_linux_record_tdep
.size_serial_icounter_struct
= 80;
2021 amd64_linux_record_tdep
.size_hayes_esp_config
= 12;
2022 amd64_linux_record_tdep
.size_size_t
= 8;
2023 amd64_linux_record_tdep
.size_iovec
= 16;
2024 amd64_linux_record_tdep
.size_time_t
= 8;
2026 /* These values are the second argument of system call "sys_fcntl"
2027 and "sys_fcntl64". They are obtained from Linux Kernel source. */
2028 amd64_linux_record_tdep
.fcntl_F_GETLK
= 5;
2029 amd64_linux_record_tdep
.fcntl_F_GETLK64
= 12;
2030 amd64_linux_record_tdep
.fcntl_F_SETLK64
= 13;
2031 amd64_linux_record_tdep
.fcntl_F_SETLKW64
= 14;
2033 amd64_linux_record_tdep
.arg1
= AMD64_RDI_REGNUM
;
2034 amd64_linux_record_tdep
.arg2
= AMD64_RSI_REGNUM
;
2035 amd64_linux_record_tdep
.arg3
= AMD64_RDX_REGNUM
;
2036 amd64_linux_record_tdep
.arg4
= AMD64_R10_REGNUM
;
2037 amd64_linux_record_tdep
.arg5
= AMD64_R8_REGNUM
;
2038 amd64_linux_record_tdep
.arg6
= AMD64_R9_REGNUM
;
2040 /* These values are the second argument of system call "sys_ioctl".
2041 They are obtained from Linux Kernel source. */
2042 amd64_linux_record_tdep
.ioctl_TCGETS
= 0x5401;
2043 amd64_linux_record_tdep
.ioctl_TCSETS
= 0x5402;
2044 amd64_linux_record_tdep
.ioctl_TCSETSW
= 0x5403;
2045 amd64_linux_record_tdep
.ioctl_TCSETSF
= 0x5404;
2046 amd64_linux_record_tdep
.ioctl_TCGETA
= 0x5405;
2047 amd64_linux_record_tdep
.ioctl_TCSETA
= 0x5406;
2048 amd64_linux_record_tdep
.ioctl_TCSETAW
= 0x5407;
2049 amd64_linux_record_tdep
.ioctl_TCSETAF
= 0x5408;
2050 amd64_linux_record_tdep
.ioctl_TCSBRK
= 0x5409;
2051 amd64_linux_record_tdep
.ioctl_TCXONC
= 0x540A;
2052 amd64_linux_record_tdep
.ioctl_TCFLSH
= 0x540B;
2053 amd64_linux_record_tdep
.ioctl_TIOCEXCL
= 0x540C;
2054 amd64_linux_record_tdep
.ioctl_TIOCNXCL
= 0x540D;
2055 amd64_linux_record_tdep
.ioctl_TIOCSCTTY
= 0x540E;
2056 amd64_linux_record_tdep
.ioctl_TIOCGPGRP
= 0x540F;
2057 amd64_linux_record_tdep
.ioctl_TIOCSPGRP
= 0x5410;
2058 amd64_linux_record_tdep
.ioctl_TIOCOUTQ
= 0x5411;
2059 amd64_linux_record_tdep
.ioctl_TIOCSTI
= 0x5412;
2060 amd64_linux_record_tdep
.ioctl_TIOCGWINSZ
= 0x5413;
2061 amd64_linux_record_tdep
.ioctl_TIOCSWINSZ
= 0x5414;
2062 amd64_linux_record_tdep
.ioctl_TIOCMGET
= 0x5415;
2063 amd64_linux_record_tdep
.ioctl_TIOCMBIS
= 0x5416;
2064 amd64_linux_record_tdep
.ioctl_TIOCMBIC
= 0x5417;
2065 amd64_linux_record_tdep
.ioctl_TIOCMSET
= 0x5418;
2066 amd64_linux_record_tdep
.ioctl_TIOCGSOFTCAR
= 0x5419;
2067 amd64_linux_record_tdep
.ioctl_TIOCSSOFTCAR
= 0x541A;
2068 amd64_linux_record_tdep
.ioctl_FIONREAD
= 0x541B;
2069 amd64_linux_record_tdep
.ioctl_TIOCINQ
2070 = amd64_linux_record_tdep
.ioctl_FIONREAD
;
2071 amd64_linux_record_tdep
.ioctl_TIOCLINUX
= 0x541C;
2072 amd64_linux_record_tdep
.ioctl_TIOCCONS
= 0x541D;
2073 amd64_linux_record_tdep
.ioctl_TIOCGSERIAL
= 0x541E;
2074 amd64_linux_record_tdep
.ioctl_TIOCSSERIAL
= 0x541F;
2075 amd64_linux_record_tdep
.ioctl_TIOCPKT
= 0x5420;
2076 amd64_linux_record_tdep
.ioctl_FIONBIO
= 0x5421;
2077 amd64_linux_record_tdep
.ioctl_TIOCNOTTY
= 0x5422;
2078 amd64_linux_record_tdep
.ioctl_TIOCSETD
= 0x5423;
2079 amd64_linux_record_tdep
.ioctl_TIOCGETD
= 0x5424;
2080 amd64_linux_record_tdep
.ioctl_TCSBRKP
= 0x5425;
2081 amd64_linux_record_tdep
.ioctl_TIOCTTYGSTRUCT
= 0x5426;
2082 amd64_linux_record_tdep
.ioctl_TIOCSBRK
= 0x5427;
2083 amd64_linux_record_tdep
.ioctl_TIOCCBRK
= 0x5428;
2084 amd64_linux_record_tdep
.ioctl_TIOCGSID
= 0x5429;
2085 amd64_linux_record_tdep
.ioctl_TCGETS2
= 0x802c542a;
2086 amd64_linux_record_tdep
.ioctl_TCSETS2
= 0x402c542b;
2087 amd64_linux_record_tdep
.ioctl_TCSETSW2
= 0x402c542c;
2088 amd64_linux_record_tdep
.ioctl_TCSETSF2
= 0x402c542d;
2089 amd64_linux_record_tdep
.ioctl_TIOCGPTN
= 0x80045430;
2090 amd64_linux_record_tdep
.ioctl_TIOCSPTLCK
= 0x40045431;
2091 amd64_linux_record_tdep
.ioctl_FIONCLEX
= 0x5450;
2092 amd64_linux_record_tdep
.ioctl_FIOCLEX
= 0x5451;
2093 amd64_linux_record_tdep
.ioctl_FIOASYNC
= 0x5452;
2094 amd64_linux_record_tdep
.ioctl_TIOCSERCONFIG
= 0x5453;
2095 amd64_linux_record_tdep
.ioctl_TIOCSERGWILD
= 0x5454;
2096 amd64_linux_record_tdep
.ioctl_TIOCSERSWILD
= 0x5455;
2097 amd64_linux_record_tdep
.ioctl_TIOCGLCKTRMIOS
= 0x5456;
2098 amd64_linux_record_tdep
.ioctl_TIOCSLCKTRMIOS
= 0x5457;
2099 amd64_linux_record_tdep
.ioctl_TIOCSERGSTRUCT
= 0x5458;
2100 amd64_linux_record_tdep
.ioctl_TIOCSERGETLSR
= 0x5459;
2101 amd64_linux_record_tdep
.ioctl_TIOCSERGETMULTI
= 0x545A;
2102 amd64_linux_record_tdep
.ioctl_TIOCSERSETMULTI
= 0x545B;
2103 amd64_linux_record_tdep
.ioctl_TIOCMIWAIT
= 0x545C;
2104 amd64_linux_record_tdep
.ioctl_TIOCGICOUNT
= 0x545D;
2105 amd64_linux_record_tdep
.ioctl_TIOCGHAYESESP
= 0x545E;
2106 amd64_linux_record_tdep
.ioctl_TIOCSHAYESESP
= 0x545F;
2107 amd64_linux_record_tdep
.ioctl_FIOQSIZE
= 0x5460;
2109 tdep
->i386_syscall_record
= amd64_linux_syscall_record
;
2111 /* GNU/Linux uses SVR4-style shared libraries. */
2112 set_solib_svr4_fetch_link_map_offsets
2113 (gdbarch
, svr4_lp64_fetch_link_map_offsets
);
2115 /* Register DTrace handlers. */
2116 set_gdbarch_dtrace_parse_probe_argument (gdbarch
, amd64_dtrace_parse_probe_argument
);
2117 set_gdbarch_dtrace_probe_is_enabled (gdbarch
, amd64_dtrace_probe_is_enabled
);
2118 set_gdbarch_dtrace_enable_probe (gdbarch
, amd64_dtrace_enable_probe
);
2119 set_gdbarch_dtrace_disable_probe (gdbarch
, amd64_dtrace_disable_probe
);
2123 amd64_x32_linux_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
2125 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
2126 struct tdesc_arch_data
*tdesc_data
= info
.tdesc_data
;
2127 const struct tdesc_feature
*feature
;
2130 gdb_assert (tdesc_data
);
2132 tdep
->gregset_reg_offset
= amd64_linux_gregset_reg_offset
;
2133 tdep
->gregset_num_regs
= ARRAY_SIZE (amd64_linux_gregset_reg_offset
);
2134 tdep
->sizeof_gregset
= 27 * 8;
2136 amd64_x32_init_abi (info
, gdbarch
,
2137 amd64_linux_read_description (X86_XSTATE_SSE_MASK
,
2140 /* Reserve a number for orig_rax. */
2141 set_gdbarch_num_regs (gdbarch
, AMD64_LINUX_NUM_REGS
);
2143 const target_desc
*tdesc
= tdep
->tdesc
;
2145 feature
= tdesc_find_feature (tdesc
, "org.gnu.gdb.i386.linux");
2146 if (feature
== NULL
)
2149 valid_p
= tdesc_numbered_register (feature
, tdesc_data
,
2150 AMD64_LINUX_ORIG_RAX_REGNUM
,
2155 amd64_linux_init_abi_common (info
, gdbarch
);
2157 /* Initialize the amd64_x32_linux_record_tdep. */
2158 /* These values are the size of the type that will be used in a system
2159 call. They are obtained from Linux Kernel source. */
2160 amd64_x32_linux_record_tdep
.size_pointer
2161 = gdbarch_ptr_bit (gdbarch
) / TARGET_CHAR_BIT
;
2162 amd64_x32_linux_record_tdep
.size__old_kernel_stat
= 32;
2163 amd64_x32_linux_record_tdep
.size_tms
= 32;
2164 amd64_x32_linux_record_tdep
.size_loff_t
= 8;
2165 amd64_x32_linux_record_tdep
.size_flock
= 32;
2166 amd64_x32_linux_record_tdep
.size_oldold_utsname
= 45;
2167 amd64_x32_linux_record_tdep
.size_ustat
= 32;
2168 /* ADM64 doesn't need this size because it doesn't have sys_sigaction
2169 but sys_rt_sigaction. */
2170 amd64_x32_linux_record_tdep
.size_old_sigaction
= 16;
2171 /* ADM64 doesn't need this size because it doesn't have sys_sigpending
2172 but sys_rt_sigpending. */
2173 amd64_x32_linux_record_tdep
.size_old_sigset_t
= 4;
2174 amd64_x32_linux_record_tdep
.size_rlimit
= 16;
2175 amd64_x32_linux_record_tdep
.size_rusage
= 144;
2176 amd64_x32_linux_record_tdep
.size_timeval
= 16;
2177 amd64_x32_linux_record_tdep
.size_timezone
= 8;
2178 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
2179 but sys_getgroups. */
2180 amd64_x32_linux_record_tdep
.size_old_gid_t
= 2;
2181 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
2182 but sys_getresuid. */
2183 amd64_x32_linux_record_tdep
.size_old_uid_t
= 2;
2184 amd64_x32_linux_record_tdep
.size_fd_set
= 128;
2185 /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
2186 amd64_x32_linux_record_tdep
.size_old_dirent
= 268;
2187 amd64_x32_linux_record_tdep
.size_statfs
= 120;
2188 amd64_x32_linux_record_tdep
.size_statfs64
= 120;
2189 amd64_x32_linux_record_tdep
.size_sockaddr
= 16;
2190 amd64_x32_linux_record_tdep
.size_int
2191 = gdbarch_int_bit (gdbarch
) / TARGET_CHAR_BIT
;
2192 amd64_x32_linux_record_tdep
.size_long
2193 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
2194 amd64_x32_linux_record_tdep
.size_ulong
2195 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
2196 amd64_x32_linux_record_tdep
.size_msghdr
= 28;
2197 amd64_x32_linux_record_tdep
.size_itimerval
= 32;
2198 amd64_x32_linux_record_tdep
.size_stat
= 144;
2199 amd64_x32_linux_record_tdep
.size_old_utsname
= 325;
2200 amd64_x32_linux_record_tdep
.size_sysinfo
= 112;
2201 amd64_x32_linux_record_tdep
.size_msqid_ds
= 120;
2202 amd64_x32_linux_record_tdep
.size_shmid_ds
= 112;
2203 amd64_x32_linux_record_tdep
.size_new_utsname
= 390;
2204 amd64_x32_linux_record_tdep
.size_timex
= 208;
2205 amd64_x32_linux_record_tdep
.size_mem_dqinfo
= 24;
2206 amd64_x32_linux_record_tdep
.size_if_dqblk
= 72;
2207 amd64_x32_linux_record_tdep
.size_fs_quota_stat
= 80;
2208 amd64_x32_linux_record_tdep
.size_timespec
= 16;
2209 amd64_x32_linux_record_tdep
.size_pollfd
= 8;
2210 amd64_x32_linux_record_tdep
.size_NFS_FHSIZE
= 32;
2211 amd64_x32_linux_record_tdep
.size_knfsd_fh
= 132;
2212 amd64_x32_linux_record_tdep
.size_TASK_COMM_LEN
= 16;
2213 amd64_x32_linux_record_tdep
.size_sigaction
= 20;
2214 amd64_x32_linux_record_tdep
.size_sigset_t
= 8;
2215 amd64_x32_linux_record_tdep
.size_siginfo_t
= 128;
2216 amd64_x32_linux_record_tdep
.size_cap_user_data_t
= 8;
2217 amd64_x32_linux_record_tdep
.size_stack_t
= 12;
2218 amd64_x32_linux_record_tdep
.size_off_t
= 8;
2219 amd64_x32_linux_record_tdep
.size_stat64
= 144;
2220 amd64_x32_linux_record_tdep
.size_gid_t
= 4;
2221 amd64_x32_linux_record_tdep
.size_uid_t
= 4;
2222 amd64_x32_linux_record_tdep
.size_PAGE_SIZE
= 4096;
2223 amd64_x32_linux_record_tdep
.size_flock64
= 32;
2224 amd64_x32_linux_record_tdep
.size_user_desc
= 16;
2225 amd64_x32_linux_record_tdep
.size_io_event
= 32;
2226 amd64_x32_linux_record_tdep
.size_iocb
= 64;
2227 amd64_x32_linux_record_tdep
.size_epoll_event
= 12;
2228 amd64_x32_linux_record_tdep
.size_itimerspec
= 32;
2229 amd64_x32_linux_record_tdep
.size_mq_attr
= 64;
2230 amd64_x32_linux_record_tdep
.size_termios
= 36;
2231 amd64_x32_linux_record_tdep
.size_termios2
= 44;
2232 amd64_x32_linux_record_tdep
.size_pid_t
= 4;
2233 amd64_x32_linux_record_tdep
.size_winsize
= 8;
2234 amd64_x32_linux_record_tdep
.size_serial_struct
= 72;
2235 amd64_x32_linux_record_tdep
.size_serial_icounter_struct
= 80;
2236 amd64_x32_linux_record_tdep
.size_hayes_esp_config
= 12;
2237 amd64_x32_linux_record_tdep
.size_size_t
= 4;
2238 amd64_x32_linux_record_tdep
.size_iovec
= 8;
2239 amd64_x32_linux_record_tdep
.size_time_t
= 8;
2241 /* These values are the second argument of system call "sys_fcntl"
2242 and "sys_fcntl64". They are obtained from Linux Kernel source. */
2243 amd64_x32_linux_record_tdep
.fcntl_F_GETLK
= 5;
2244 amd64_x32_linux_record_tdep
.fcntl_F_GETLK64
= 12;
2245 amd64_x32_linux_record_tdep
.fcntl_F_SETLK64
= 13;
2246 amd64_x32_linux_record_tdep
.fcntl_F_SETLKW64
= 14;
2248 amd64_x32_linux_record_tdep
.arg1
= AMD64_RDI_REGNUM
;
2249 amd64_x32_linux_record_tdep
.arg2
= AMD64_RSI_REGNUM
;
2250 amd64_x32_linux_record_tdep
.arg3
= AMD64_RDX_REGNUM
;
2251 amd64_x32_linux_record_tdep
.arg4
= AMD64_R10_REGNUM
;
2252 amd64_x32_linux_record_tdep
.arg5
= AMD64_R8_REGNUM
;
2253 amd64_x32_linux_record_tdep
.arg6
= AMD64_R9_REGNUM
;
2255 /* These values are the second argument of system call "sys_ioctl".
2256 They are obtained from Linux Kernel source. */
2257 amd64_x32_linux_record_tdep
.ioctl_TCGETS
= 0x5401;
2258 amd64_x32_linux_record_tdep
.ioctl_TCSETS
= 0x5402;
2259 amd64_x32_linux_record_tdep
.ioctl_TCSETSW
= 0x5403;
2260 amd64_x32_linux_record_tdep
.ioctl_TCSETSF
= 0x5404;
2261 amd64_x32_linux_record_tdep
.ioctl_TCGETA
= 0x5405;
2262 amd64_x32_linux_record_tdep
.ioctl_TCSETA
= 0x5406;
2263 amd64_x32_linux_record_tdep
.ioctl_TCSETAW
= 0x5407;
2264 amd64_x32_linux_record_tdep
.ioctl_TCSETAF
= 0x5408;
2265 amd64_x32_linux_record_tdep
.ioctl_TCSBRK
= 0x5409;
2266 amd64_x32_linux_record_tdep
.ioctl_TCXONC
= 0x540A;
2267 amd64_x32_linux_record_tdep
.ioctl_TCFLSH
= 0x540B;
2268 amd64_x32_linux_record_tdep
.ioctl_TIOCEXCL
= 0x540C;
2269 amd64_x32_linux_record_tdep
.ioctl_TIOCNXCL
= 0x540D;
2270 amd64_x32_linux_record_tdep
.ioctl_TIOCSCTTY
= 0x540E;
2271 amd64_x32_linux_record_tdep
.ioctl_TIOCGPGRP
= 0x540F;
2272 amd64_x32_linux_record_tdep
.ioctl_TIOCSPGRP
= 0x5410;
2273 amd64_x32_linux_record_tdep
.ioctl_TIOCOUTQ
= 0x5411;
2274 amd64_x32_linux_record_tdep
.ioctl_TIOCSTI
= 0x5412;
2275 amd64_x32_linux_record_tdep
.ioctl_TIOCGWINSZ
= 0x5413;
2276 amd64_x32_linux_record_tdep
.ioctl_TIOCSWINSZ
= 0x5414;
2277 amd64_x32_linux_record_tdep
.ioctl_TIOCMGET
= 0x5415;
2278 amd64_x32_linux_record_tdep
.ioctl_TIOCMBIS
= 0x5416;
2279 amd64_x32_linux_record_tdep
.ioctl_TIOCMBIC
= 0x5417;
2280 amd64_x32_linux_record_tdep
.ioctl_TIOCMSET
= 0x5418;
2281 amd64_x32_linux_record_tdep
.ioctl_TIOCGSOFTCAR
= 0x5419;
2282 amd64_x32_linux_record_tdep
.ioctl_TIOCSSOFTCAR
= 0x541A;
2283 amd64_x32_linux_record_tdep
.ioctl_FIONREAD
= 0x541B;
2284 amd64_x32_linux_record_tdep
.ioctl_TIOCINQ
= amd64_x32_linux_record_tdep
.ioctl_FIONREAD
;
2285 amd64_x32_linux_record_tdep
.ioctl_TIOCLINUX
= 0x541C;
2286 amd64_x32_linux_record_tdep
.ioctl_TIOCCONS
= 0x541D;
2287 amd64_x32_linux_record_tdep
.ioctl_TIOCGSERIAL
= 0x541E;
2288 amd64_x32_linux_record_tdep
.ioctl_TIOCSSERIAL
= 0x541F;
2289 amd64_x32_linux_record_tdep
.ioctl_TIOCPKT
= 0x5420;
2290 amd64_x32_linux_record_tdep
.ioctl_FIONBIO
= 0x5421;
2291 amd64_x32_linux_record_tdep
.ioctl_TIOCNOTTY
= 0x5422;
2292 amd64_x32_linux_record_tdep
.ioctl_TIOCSETD
= 0x5423;
2293 amd64_x32_linux_record_tdep
.ioctl_TIOCGETD
= 0x5424;
2294 amd64_x32_linux_record_tdep
.ioctl_TCSBRKP
= 0x5425;
2295 amd64_x32_linux_record_tdep
.ioctl_TIOCTTYGSTRUCT
= 0x5426;
2296 amd64_x32_linux_record_tdep
.ioctl_TIOCSBRK
= 0x5427;
2297 amd64_x32_linux_record_tdep
.ioctl_TIOCCBRK
= 0x5428;
2298 amd64_x32_linux_record_tdep
.ioctl_TIOCGSID
= 0x5429;
2299 amd64_x32_linux_record_tdep
.ioctl_TCGETS2
= 0x802c542a;
2300 amd64_x32_linux_record_tdep
.ioctl_TCSETS2
= 0x402c542b;
2301 amd64_x32_linux_record_tdep
.ioctl_TCSETSW2
= 0x402c542c;
2302 amd64_x32_linux_record_tdep
.ioctl_TCSETSF2
= 0x402c542d;
2303 amd64_x32_linux_record_tdep
.ioctl_TIOCGPTN
= 0x80045430;
2304 amd64_x32_linux_record_tdep
.ioctl_TIOCSPTLCK
= 0x40045431;
2305 amd64_x32_linux_record_tdep
.ioctl_FIONCLEX
= 0x5450;
2306 amd64_x32_linux_record_tdep
.ioctl_FIOCLEX
= 0x5451;
2307 amd64_x32_linux_record_tdep
.ioctl_FIOASYNC
= 0x5452;
2308 amd64_x32_linux_record_tdep
.ioctl_TIOCSERCONFIG
= 0x5453;
2309 amd64_x32_linux_record_tdep
.ioctl_TIOCSERGWILD
= 0x5454;
2310 amd64_x32_linux_record_tdep
.ioctl_TIOCSERSWILD
= 0x5455;
2311 amd64_x32_linux_record_tdep
.ioctl_TIOCGLCKTRMIOS
= 0x5456;
2312 amd64_x32_linux_record_tdep
.ioctl_TIOCSLCKTRMIOS
= 0x5457;
2313 amd64_x32_linux_record_tdep
.ioctl_TIOCSERGSTRUCT
= 0x5458;
2314 amd64_x32_linux_record_tdep
.ioctl_TIOCSERGETLSR
= 0x5459;
2315 amd64_x32_linux_record_tdep
.ioctl_TIOCSERGETMULTI
= 0x545A;
2316 amd64_x32_linux_record_tdep
.ioctl_TIOCSERSETMULTI
= 0x545B;
2317 amd64_x32_linux_record_tdep
.ioctl_TIOCMIWAIT
= 0x545C;
2318 amd64_x32_linux_record_tdep
.ioctl_TIOCGICOUNT
= 0x545D;
2319 amd64_x32_linux_record_tdep
.ioctl_TIOCGHAYESESP
= 0x545E;
2320 amd64_x32_linux_record_tdep
.ioctl_TIOCSHAYESESP
= 0x545F;
2321 amd64_x32_linux_record_tdep
.ioctl_FIOQSIZE
= 0x5460;
2323 tdep
->i386_syscall_record
= amd64_x32_linux_syscall_record
;
2325 /* GNU/Linux uses SVR4-style shared libraries. */
2326 set_solib_svr4_fetch_link_map_offsets
2327 (gdbarch
, svr4_ilp32_fetch_link_map_offsets
);
2330 void _initialize_amd64_linux_tdep ();
2332 _initialize_amd64_linux_tdep ()
2334 gdbarch_register_osabi (bfd_arch_i386
, bfd_mach_x86_64
,
2335 GDB_OSABI_LINUX
, amd64_linux_init_abi
);
2336 gdbarch_register_osabi (bfd_arch_i386
, bfd_mach_x64_32
,
2337 GDB_OSABI_LINUX
, amd64_x32_linux_init_abi
);