1 /* Target-dependent code for GNU/Linux x86-64.
3 Copyright (C) 2001-2017 Free Software Foundation, Inc.
4 Contributed by Jiri Smid, SuSE Labs.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #include "arch-utils.h"
29 #include "reggroups.h"
31 #include "parser-defs.h"
32 #include "user-regs.h"
33 #include "amd64-linux-tdep.h"
34 #include "i386-linux-tdep.h"
35 #include "linux-tdep.h"
36 #include "x86-xstate.h"
38 #include "amd64-tdep.h"
39 #include "solib-svr4.h"
40 #include "xml-syscall.h"
41 #include "glibc-tdep.h"
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 (ptid);
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 (regcache, 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)
366 switch (syscall_number) {
368 case amd64_x32_sys_read:
371 case amd64_sys_write:
372 case amd64_x32_sys_write:
373 return gdb_sys_write;
376 case amd64_x32_sys_open:
379 case amd64_sys_close:
380 case amd64_x32_sys_close:
381 return gdb_sys_close;
383 case amd64_sys_newstat:
384 case amd64_x32_sys_newstat:
385 return gdb_sys_newstat;
387 case amd64_sys_newfstat:
388 case amd64_x32_sys_newfstat:
389 return gdb_sys_newfstat;
391 case amd64_sys_newlstat:
392 case amd64_x32_sys_newlstat:
393 return gdb_sys_newlstat;
396 case amd64_x32_sys_poll:
399 case amd64_sys_lseek:
400 case amd64_x32_sys_lseek:
401 return gdb_sys_lseek;
404 case amd64_x32_sys_mmap:
405 return gdb_sys_mmap2;
407 case amd64_sys_mprotect:
408 case amd64_x32_sys_mprotect:
409 return gdb_sys_mprotect;
411 case amd64_sys_munmap:
412 case amd64_x32_sys_munmap:
413 return gdb_sys_munmap;
416 case amd64_x32_sys_brk:
419 case amd64_sys_rt_sigaction:
420 case amd64_x32_sys_rt_sigaction:
421 return gdb_sys_rt_sigaction;
423 case amd64_sys_rt_sigprocmask:
424 case amd64_x32_sys_rt_sigprocmask:
425 return gdb_sys_rt_sigprocmask;
427 case amd64_sys_rt_sigreturn:
428 case amd64_x32_sys_rt_sigreturn:
429 return gdb_sys_rt_sigreturn;
431 case amd64_sys_ioctl:
432 case amd64_x32_sys_ioctl:
433 return gdb_sys_ioctl;
435 case amd64_sys_pread64:
436 case amd64_x32_sys_pread64:
437 return gdb_sys_pread64;
439 case amd64_sys_pwrite64:
440 case amd64_x32_sys_pwrite64:
441 return gdb_sys_pwrite64;
443 case amd64_sys_readv:
444 case amd64_x32_sys_readv:
445 return gdb_sys_readv;
447 case amd64_sys_writev:
448 case amd64_x32_sys_writev:
449 return gdb_sys_writev;
451 case amd64_sys_access:
452 case amd64_x32_sys_access:
453 return gdb_sys_access;
456 case amd64_x32_sys_pipe:
459 case amd64_sys_select:
460 case amd64_x32_sys_select:
461 return gdb_sys_select;
463 case amd64_sys_sched_yield:
464 case amd64_x32_sys_sched_yield:
465 return gdb_sys_sched_yield;
467 case amd64_sys_mremap:
468 case amd64_x32_sys_mremap:
469 return gdb_sys_mremap;
471 case amd64_sys_msync:
472 case amd64_x32_sys_msync:
473 return gdb_sys_msync;
475 case amd64_sys_mincore:
476 case amd64_x32_sys_mincore:
477 return gdb_sys_mincore;
479 case amd64_sys_madvise:
480 case amd64_x32_sys_madvise:
481 return gdb_sys_madvise;
483 case amd64_sys_shmget:
484 case amd64_x32_sys_shmget:
485 return gdb_sys_shmget;
487 case amd64_sys_shmat:
488 case amd64_x32_sys_shmat:
489 return gdb_sys_shmat;
491 case amd64_sys_shmctl:
492 case amd64_x32_sys_shmctl:
493 return gdb_sys_shmctl;
496 case amd64_x32_sys_dup:
500 case amd64_x32_sys_dup2:
503 case amd64_sys_pause:
504 case amd64_x32_sys_pause:
505 return gdb_sys_pause;
507 case amd64_sys_nanosleep:
508 case amd64_x32_sys_nanosleep:
509 return gdb_sys_nanosleep;
511 case amd64_sys_getitimer:
512 case amd64_x32_sys_getitimer:
513 return gdb_sys_getitimer;
515 case amd64_sys_alarm:
516 case amd64_x32_sys_alarm:
517 return gdb_sys_alarm;
519 case amd64_sys_setitimer:
520 case amd64_x32_sys_setitimer:
521 return gdb_sys_setitimer;
523 case amd64_sys_getpid:
524 case amd64_x32_sys_getpid:
525 return gdb_sys_getpid;
527 case amd64_sys_sendfile64:
528 case amd64_x32_sys_sendfile64:
529 return gdb_sys_sendfile64;
531 case amd64_sys_socket:
532 case amd64_x32_sys_socket:
533 return gdb_sys_socket;
535 case amd64_sys_connect:
536 case amd64_x32_sys_connect:
537 return gdb_sys_connect;
539 case amd64_sys_accept:
540 case amd64_x32_sys_accept:
541 return gdb_sys_accept;
543 case amd64_sys_sendto:
544 case amd64_x32_sys_sendto:
545 return gdb_sys_sendto;
547 case amd64_sys_recvfrom:
548 case amd64_x32_sys_recvfrom:
549 return gdb_sys_recvfrom;
551 case amd64_sys_sendmsg:
552 case amd64_x32_sys_sendmsg:
553 return gdb_sys_sendmsg;
555 case amd64_sys_recvmsg:
556 case amd64_x32_sys_recvmsg:
557 return gdb_sys_recvmsg;
559 case amd64_sys_shutdown:
560 case amd64_x32_sys_shutdown:
561 return gdb_sys_shutdown;
564 case amd64_x32_sys_bind:
567 case amd64_sys_listen:
568 case amd64_x32_sys_listen:
569 return gdb_sys_listen;
571 case amd64_sys_getsockname:
572 case amd64_x32_sys_getsockname:
573 return gdb_sys_getsockname;
575 case amd64_sys_getpeername:
576 case amd64_x32_sys_getpeername:
577 return gdb_sys_getpeername;
579 case amd64_sys_socketpair:
580 case amd64_x32_sys_socketpair:
581 return gdb_sys_socketpair;
583 case amd64_sys_setsockopt:
584 case amd64_x32_sys_setsockopt:
585 return gdb_sys_setsockopt;
587 case amd64_sys_getsockopt:
588 case amd64_x32_sys_getsockopt:
589 return gdb_sys_getsockopt;
591 case amd64_sys_clone:
592 case amd64_x32_sys_clone:
593 return gdb_sys_clone;
596 case amd64_x32_sys_fork:
599 case amd64_sys_vfork:
600 case amd64_x32_sys_vfork:
601 return gdb_sys_vfork;
603 case amd64_sys_execve:
604 case amd64_x32_sys_execve:
605 return gdb_sys_execve;
608 case amd64_x32_sys_exit:
611 case amd64_sys_wait4:
612 case amd64_x32_sys_wait4:
613 return gdb_sys_wait4;
616 case amd64_x32_sys_kill:
619 case amd64_sys_uname:
620 case amd64_x32_sys_uname:
621 return gdb_sys_uname;
623 case amd64_sys_semget:
624 case amd64_x32_sys_semget:
625 return gdb_sys_semget;
627 case amd64_sys_semop:
628 case amd64_x32_sys_semop:
629 return gdb_sys_semop;
631 case amd64_sys_semctl:
632 case amd64_x32_sys_semctl:
633 return gdb_sys_semctl;
635 case amd64_sys_shmdt:
636 case amd64_x32_sys_shmdt:
637 return gdb_sys_shmdt;
639 case amd64_sys_msgget:
640 case amd64_x32_sys_msgget:
641 return gdb_sys_msgget;
643 case amd64_sys_msgsnd:
644 case amd64_x32_sys_msgsnd:
645 return gdb_sys_msgsnd;
647 case amd64_sys_msgrcv:
648 case amd64_x32_sys_msgrcv:
649 return gdb_sys_msgrcv;
651 case amd64_sys_msgctl:
652 case amd64_x32_sys_msgctl:
653 return gdb_sys_msgctl;
655 case amd64_sys_fcntl:
656 case amd64_x32_sys_fcntl:
657 return gdb_sys_fcntl;
659 case amd64_sys_flock:
660 case amd64_x32_sys_flock:
661 return gdb_sys_flock;
663 case amd64_sys_fsync:
664 case amd64_x32_sys_fsync:
665 return gdb_sys_fsync;
667 case amd64_sys_fdatasync:
668 case amd64_x32_sys_fdatasync:
669 return gdb_sys_fdatasync;
671 case amd64_sys_truncate:
672 case amd64_x32_sys_truncate:
673 return gdb_sys_truncate;
675 case amd64_sys_ftruncate:
676 case amd64_x32_sys_ftruncate:
677 return gdb_sys_ftruncate;
679 case amd64_sys_getdents:
680 case amd64_x32_sys_getdents:
681 return gdb_sys_getdents;
683 case amd64_sys_getcwd:
684 case amd64_x32_sys_getcwd:
685 return gdb_sys_getcwd;
687 case amd64_sys_chdir:
688 case amd64_x32_sys_chdir:
689 return gdb_sys_chdir;
691 case amd64_sys_fchdir:
692 case amd64_x32_sys_fchdir:
693 return gdb_sys_fchdir;
695 case amd64_sys_rename:
696 case amd64_x32_sys_rename:
697 return gdb_sys_rename;
699 case amd64_sys_mkdir:
700 case amd64_x32_sys_mkdir:
701 return gdb_sys_mkdir;
703 case amd64_sys_rmdir:
704 case amd64_x32_sys_rmdir:
705 return gdb_sys_rmdir;
707 case amd64_sys_creat:
708 case amd64_x32_sys_creat:
709 return gdb_sys_creat;
712 case amd64_x32_sys_link:
715 case amd64_sys_unlink:
716 case amd64_x32_sys_unlink:
717 return gdb_sys_unlink;
719 case amd64_sys_symlink:
720 case amd64_x32_sys_symlink:
721 return gdb_sys_symlink;
723 case amd64_sys_readlink:
724 case amd64_x32_sys_readlink:
725 return gdb_sys_readlink;
727 case amd64_sys_chmod:
728 case amd64_x32_sys_chmod:
729 return gdb_sys_chmod;
731 case amd64_sys_fchmod:
732 case amd64_x32_sys_fchmod:
733 return gdb_sys_fchmod;
735 case amd64_sys_chown:
736 case amd64_x32_sys_chown:
737 return gdb_sys_chown;
739 case amd64_sys_fchown:
740 case amd64_x32_sys_fchown:
741 return gdb_sys_fchown;
743 case amd64_sys_lchown:
744 case amd64_x32_sys_lchown:
745 return gdb_sys_lchown;
747 case amd64_sys_umask:
748 case amd64_x32_sys_umask:
749 return gdb_sys_umask;
751 case amd64_sys_gettimeofday:
752 case amd64_x32_sys_gettimeofday:
753 return gdb_sys_gettimeofday;
755 case amd64_sys_getrlimit:
756 case amd64_x32_sys_getrlimit:
757 return gdb_sys_getrlimit;
759 case amd64_sys_getrusage:
760 case amd64_x32_sys_getrusage:
761 return gdb_sys_getrusage;
763 case amd64_sys_sysinfo:
764 case amd64_x32_sys_sysinfo:
765 return gdb_sys_sysinfo;
767 case amd64_sys_times:
768 case amd64_x32_sys_times:
769 return gdb_sys_times;
771 case amd64_sys_ptrace:
772 case amd64_x32_sys_ptrace:
773 return gdb_sys_ptrace;
775 case amd64_sys_getuid:
776 case amd64_x32_sys_getuid:
777 return gdb_sys_getuid;
779 case amd64_sys_syslog:
780 case amd64_x32_sys_syslog:
781 return gdb_sys_syslog;
783 case amd64_sys_getgid:
784 case amd64_x32_sys_getgid:
785 return gdb_sys_getgid;
787 case amd64_sys_setuid:
788 case amd64_x32_sys_setuid:
789 return gdb_sys_setuid;
791 case amd64_sys_setgid:
792 case amd64_x32_sys_setgid:
793 return gdb_sys_setgid;
795 case amd64_sys_geteuid:
796 case amd64_x32_sys_geteuid:
797 return gdb_sys_geteuid;
799 case amd64_sys_getegid:
800 case amd64_x32_sys_getegid:
801 return gdb_sys_getegid;
803 case amd64_sys_setpgid:
804 case amd64_x32_sys_setpgid:
805 return gdb_sys_setpgid;
807 case amd64_sys_getppid:
808 case amd64_x32_sys_getppid:
809 return gdb_sys_getppid;
811 case amd64_sys_getpgrp:
812 case amd64_x32_sys_getpgrp:
813 return gdb_sys_getpgrp;
815 case amd64_sys_setsid:
816 case amd64_x32_sys_setsid:
817 return gdb_sys_setsid;
819 case amd64_sys_setreuid:
820 case amd64_x32_sys_setreuid:
821 return gdb_sys_setreuid;
823 case amd64_sys_setregid:
824 case amd64_x32_sys_setregid:
825 return gdb_sys_setregid;
827 case amd64_sys_getgroups:
828 case amd64_x32_sys_getgroups:
829 return gdb_sys_getgroups;
831 case amd64_sys_setgroups:
832 case amd64_x32_sys_setgroups:
833 return gdb_sys_setgroups;
835 case amd64_sys_setresuid:
836 case amd64_x32_sys_setresuid:
837 return gdb_sys_setresuid;
839 case amd64_sys_getresuid:
840 case amd64_x32_sys_getresuid:
841 return gdb_sys_getresuid;
843 case amd64_sys_setresgid:
844 case amd64_x32_sys_setresgid:
845 return gdb_sys_setresgid;
847 case amd64_sys_getresgid:
848 case amd64_x32_sys_getresgid:
849 return gdb_sys_getresgid;
851 case amd64_sys_getpgid:
852 case amd64_x32_sys_getpgid:
853 return gdb_sys_getpgid;
855 case amd64_sys_setfsuid:
856 case amd64_x32_sys_setfsuid:
857 return gdb_sys_setfsuid;
859 case amd64_sys_setfsgid:
860 case amd64_x32_sys_setfsgid:
861 return gdb_sys_setfsgid;
863 case amd64_sys_getsid:
864 case amd64_x32_sys_getsid:
865 return gdb_sys_getsid;
867 case amd64_sys_capget:
868 case amd64_x32_sys_capget:
869 return gdb_sys_capget;
871 case amd64_sys_capset:
872 case amd64_x32_sys_capset:
873 return gdb_sys_capset;
875 case amd64_sys_rt_sigpending:
876 case amd64_x32_sys_rt_sigpending:
877 return gdb_sys_rt_sigpending;
879 case amd64_sys_rt_sigtimedwait:
880 case amd64_x32_sys_rt_sigtimedwait:
881 return gdb_sys_rt_sigtimedwait;
883 case amd64_sys_rt_sigqueueinfo:
884 case amd64_x32_sys_rt_sigqueueinfo:
885 return gdb_sys_rt_sigqueueinfo;
887 case amd64_sys_rt_sigsuspend:
888 case amd64_x32_sys_rt_sigsuspend:
889 return gdb_sys_rt_sigsuspend;
891 case amd64_sys_sigaltstack:
892 case amd64_x32_sys_sigaltstack:
893 return gdb_sys_sigaltstack;
895 case amd64_sys_utime:
896 case amd64_x32_sys_utime:
897 return gdb_sys_utime;
899 case amd64_sys_mknod:
900 case amd64_x32_sys_mknod:
901 return gdb_sys_mknod;
903 case amd64_sys_personality:
904 case amd64_x32_sys_personality:
905 return gdb_sys_personality;
907 case amd64_sys_ustat:
908 case amd64_x32_sys_ustat:
909 return gdb_sys_ustat;
911 case amd64_sys_statfs:
912 case amd64_x32_sys_statfs:
913 return gdb_sys_statfs;
915 case amd64_sys_fstatfs:
916 case amd64_x32_sys_fstatfs:
917 return gdb_sys_fstatfs;
919 case amd64_sys_sysfs:
920 case amd64_x32_sys_sysfs:
921 return gdb_sys_sysfs;
923 case amd64_sys_getpriority:
924 case amd64_x32_sys_getpriority:
925 return gdb_sys_getpriority;
927 case amd64_sys_setpriority:
928 case amd64_x32_sys_setpriority:
929 return gdb_sys_setpriority;
931 case amd64_sys_sched_setparam:
932 case amd64_x32_sys_sched_setparam:
933 return gdb_sys_sched_setparam;
935 case amd64_sys_sched_getparam:
936 case amd64_x32_sys_sched_getparam:
937 return gdb_sys_sched_getparam;
939 case amd64_sys_sched_setscheduler:
940 case amd64_x32_sys_sched_setscheduler:
941 return gdb_sys_sched_setscheduler;
943 case amd64_sys_sched_getscheduler:
944 case amd64_x32_sys_sched_getscheduler:
945 return gdb_sys_sched_getscheduler;
947 case amd64_sys_sched_get_priority_max:
948 case amd64_x32_sys_sched_get_priority_max:
949 return gdb_sys_sched_get_priority_max;
951 case amd64_sys_sched_get_priority_min:
952 case amd64_x32_sys_sched_get_priority_min:
953 return gdb_sys_sched_get_priority_min;
955 case amd64_sys_sched_rr_get_interval:
956 case amd64_x32_sys_sched_rr_get_interval:
957 return gdb_sys_sched_rr_get_interval;
959 case amd64_sys_mlock:
960 case amd64_x32_sys_mlock:
961 return gdb_sys_mlock;
963 case amd64_sys_munlock:
964 case amd64_x32_sys_munlock:
965 return gdb_sys_munlock;
967 case amd64_sys_mlockall:
968 case amd64_x32_sys_mlockall:
969 return gdb_sys_mlockall;
971 case amd64_sys_munlockall:
972 case amd64_x32_sys_munlockall:
973 return gdb_sys_munlockall;
975 case amd64_sys_vhangup:
976 case amd64_x32_sys_vhangup:
977 return gdb_sys_vhangup;
979 case amd64_sys_modify_ldt:
980 case amd64_x32_sys_modify_ldt:
981 return gdb_sys_modify_ldt;
983 case amd64_sys_pivot_root:
984 case amd64_x32_sys_pivot_root:
985 return gdb_sys_pivot_root;
987 case amd64_sys_sysctl:
988 case amd64_x32_sys_sysctl:
989 return gdb_sys_sysctl;
991 case amd64_sys_prctl:
992 case amd64_x32_sys_prctl:
993 return gdb_sys_prctl;
995 case amd64_sys_arch_prctl:
996 case amd64_x32_sys_arch_prctl:
997 return gdb_sys_no_syscall; /* Note */
999 case amd64_sys_adjtimex:
1000 case amd64_x32_sys_adjtimex:
1001 return gdb_sys_adjtimex;
1003 case amd64_sys_setrlimit:
1004 case amd64_x32_sys_setrlimit:
1005 return gdb_sys_setrlimit;
1007 case amd64_sys_chroot:
1008 case amd64_x32_sys_chroot:
1009 return gdb_sys_chroot;
1011 case amd64_sys_sync:
1012 case amd64_x32_sys_sync:
1013 return gdb_sys_sync;
1015 case amd64_sys_acct:
1016 case amd64_x32_sys_acct:
1017 return gdb_sys_acct;
1019 case amd64_sys_settimeofday:
1020 case amd64_x32_sys_settimeofday:
1021 return gdb_sys_settimeofday;
1023 case amd64_sys_mount:
1024 case amd64_x32_sys_mount:
1025 return gdb_sys_mount;
1027 case amd64_sys_umount:
1028 case amd64_x32_sys_umount:
1029 return gdb_sys_umount;
1031 case amd64_sys_swapon:
1032 case amd64_x32_sys_swapon:
1033 return gdb_sys_swapon;
1035 case amd64_sys_swapoff:
1036 case amd64_x32_sys_swapoff:
1037 return gdb_sys_swapoff;
1039 case amd64_sys_reboot:
1040 case amd64_x32_sys_reboot:
1041 return gdb_sys_reboot;
1043 case amd64_sys_sethostname:
1044 case amd64_x32_sys_sethostname:
1045 return gdb_sys_sethostname;
1047 case amd64_sys_setdomainname:
1048 case amd64_x32_sys_setdomainname:
1049 return gdb_sys_setdomainname;
1051 case amd64_sys_iopl:
1052 case amd64_x32_sys_iopl:
1053 return gdb_sys_iopl;
1055 case amd64_sys_ioperm:
1056 case amd64_x32_sys_ioperm:
1057 return gdb_sys_ioperm;
1059 case amd64_sys_init_module:
1060 case amd64_x32_sys_init_module:
1061 return gdb_sys_init_module;
1063 case amd64_sys_delete_module:
1064 case amd64_x32_sys_delete_module:
1065 return gdb_sys_delete_module;
1067 case amd64_sys_quotactl:
1068 case amd64_x32_sys_quotactl:
1069 return gdb_sys_quotactl;
1071 case amd64_sys_nfsservctl:
1072 return gdb_sys_nfsservctl;
1074 case amd64_sys_gettid:
1075 case amd64_x32_sys_gettid:
1076 return gdb_sys_gettid;
1078 case amd64_sys_readahead:
1079 case amd64_x32_sys_readahead:
1080 return gdb_sys_readahead;
1082 case amd64_sys_setxattr:
1083 case amd64_x32_sys_setxattr:
1084 return gdb_sys_setxattr;
1086 case amd64_sys_lsetxattr:
1087 case amd64_x32_sys_lsetxattr:
1088 return gdb_sys_lsetxattr;
1090 case amd64_sys_fsetxattr:
1091 case amd64_x32_sys_fsetxattr:
1092 return gdb_sys_fsetxattr;
1094 case amd64_sys_getxattr:
1095 case amd64_x32_sys_getxattr:
1096 return gdb_sys_getxattr;
1098 case amd64_sys_lgetxattr:
1099 case amd64_x32_sys_lgetxattr:
1100 return gdb_sys_lgetxattr;
1102 case amd64_sys_fgetxattr:
1103 case amd64_x32_sys_fgetxattr:
1104 return gdb_sys_fgetxattr;
1106 case amd64_sys_listxattr:
1107 case amd64_x32_sys_listxattr:
1108 return gdb_sys_listxattr;
1110 case amd64_sys_llistxattr:
1111 case amd64_x32_sys_llistxattr:
1112 return gdb_sys_llistxattr;
1114 case amd64_sys_flistxattr:
1115 case amd64_x32_sys_flistxattr:
1116 return gdb_sys_flistxattr;
1118 case amd64_sys_removexattr:
1119 case amd64_x32_sys_removexattr:
1120 return gdb_sys_removexattr;
1122 case amd64_sys_lremovexattr:
1123 case amd64_x32_sys_lremovexattr:
1124 return gdb_sys_lremovexattr;
1126 case amd64_sys_fremovexattr:
1127 case amd64_x32_sys_fremovexattr:
1128 return gdb_sys_fremovexattr;
1130 case amd64_sys_tkill:
1131 case amd64_x32_sys_tkill:
1132 return gdb_sys_tkill;
1134 case amd64_sys_time:
1135 case amd64_x32_sys_time:
1136 return gdb_sys_time;
1138 case amd64_sys_futex:
1139 case amd64_x32_sys_futex:
1140 return gdb_sys_futex;
1142 case amd64_sys_sched_setaffinity:
1143 case amd64_x32_sys_sched_setaffinity:
1144 return gdb_sys_sched_setaffinity;
1146 case amd64_sys_sched_getaffinity:
1147 case amd64_x32_sys_sched_getaffinity:
1148 return gdb_sys_sched_getaffinity;
1150 case amd64_sys_io_setup:
1151 case amd64_x32_sys_io_setup:
1152 return gdb_sys_io_setup;
1154 case amd64_sys_io_destroy:
1155 case amd64_x32_sys_io_destroy:
1156 return gdb_sys_io_destroy;
1158 case amd64_sys_io_getevents:
1159 case amd64_x32_sys_io_getevents:
1160 return gdb_sys_io_getevents;
1162 case amd64_sys_io_submit:
1163 case amd64_x32_sys_io_submit:
1164 return gdb_sys_io_submit;
1166 case amd64_sys_io_cancel:
1167 case amd64_x32_sys_io_cancel:
1168 return gdb_sys_io_cancel;
1170 case amd64_sys_lookup_dcookie:
1171 case amd64_x32_sys_lookup_dcookie:
1172 return gdb_sys_lookup_dcookie;
1174 case amd64_sys_epoll_create:
1175 case amd64_x32_sys_epoll_create:
1176 return gdb_sys_epoll_create;
1178 case amd64_sys_remap_file_pages:
1179 case amd64_x32_sys_remap_file_pages:
1180 return gdb_sys_remap_file_pages;
1182 case amd64_sys_getdents64:
1183 case amd64_x32_sys_getdents64:
1184 return gdb_sys_getdents64;
1186 case amd64_sys_set_tid_address:
1187 case amd64_x32_sys_set_tid_address:
1188 return gdb_sys_set_tid_address;
1190 case amd64_sys_restart_syscall:
1191 case amd64_x32_sys_restart_syscall:
1192 return gdb_sys_restart_syscall;
1194 case amd64_sys_semtimedop:
1195 case amd64_x32_sys_semtimedop:
1196 return gdb_sys_semtimedop;
1198 case amd64_sys_fadvise64:
1199 case amd64_x32_sys_fadvise64:
1200 return gdb_sys_fadvise64;
1202 case amd64_sys_timer_create:
1203 case amd64_x32_sys_timer_create:
1204 return gdb_sys_timer_create;
1206 case amd64_sys_timer_settime:
1207 case amd64_x32_sys_timer_settime:
1208 return gdb_sys_timer_settime;
1210 case amd64_sys_timer_gettime:
1211 case amd64_x32_sys_timer_gettime:
1212 return gdb_sys_timer_gettime;
1214 case amd64_sys_timer_getoverrun:
1215 case amd64_x32_sys_timer_getoverrun:
1216 return gdb_sys_timer_getoverrun;
1218 case amd64_sys_timer_delete:
1219 case amd64_x32_sys_timer_delete:
1220 return gdb_sys_timer_delete;
1222 case amd64_sys_clock_settime:
1223 case amd64_x32_sys_clock_settime:
1224 return gdb_sys_clock_settime;
1226 case amd64_sys_clock_gettime:
1227 case amd64_x32_sys_clock_gettime:
1228 return gdb_sys_clock_gettime;
1230 case amd64_sys_clock_getres:
1231 case amd64_x32_sys_clock_getres:
1232 return gdb_sys_clock_getres;
1234 case amd64_sys_clock_nanosleep:
1235 case amd64_x32_sys_clock_nanosleep:
1236 return gdb_sys_clock_nanosleep;
1238 case amd64_sys_exit_group:
1239 case amd64_x32_sys_exit_group:
1240 return gdb_sys_exit_group;
1242 case amd64_sys_epoll_wait:
1243 case amd64_x32_sys_epoll_wait:
1244 return gdb_sys_epoll_wait;
1246 case amd64_sys_epoll_ctl:
1247 case amd64_x32_sys_epoll_ctl:
1248 return gdb_sys_epoll_ctl;
1250 case amd64_sys_tgkill:
1251 case amd64_x32_sys_tgkill:
1252 return gdb_sys_tgkill;
1254 case amd64_sys_utimes:
1255 case amd64_x32_sys_utimes:
1256 return gdb_sys_utimes;
1258 case amd64_sys_mbind:
1259 case amd64_x32_sys_mbind:
1260 return gdb_sys_mbind;
1262 case amd64_sys_set_mempolicy:
1263 case amd64_x32_sys_set_mempolicy:
1264 return gdb_sys_set_mempolicy;
1266 case amd64_sys_get_mempolicy:
1267 case amd64_x32_sys_get_mempolicy:
1268 return gdb_sys_get_mempolicy;
1270 case amd64_sys_mq_open:
1271 case amd64_x32_sys_mq_open:
1272 return gdb_sys_mq_open;
1274 case amd64_sys_mq_unlink:
1275 case amd64_x32_sys_mq_unlink:
1276 return gdb_sys_mq_unlink;
1278 case amd64_sys_mq_timedsend:
1279 case amd64_x32_sys_mq_timedsend:
1280 return gdb_sys_mq_timedsend;
1282 case amd64_sys_mq_timedreceive:
1283 case amd64_x32_sys_mq_timedreceive:
1284 return gdb_sys_mq_timedreceive;
1286 case amd64_sys_mq_notify:
1287 case amd64_x32_sys_mq_notify:
1288 return gdb_sys_mq_notify;
1290 case amd64_sys_mq_getsetattr:
1291 case amd64_x32_sys_mq_getsetattr:
1292 return gdb_sys_mq_getsetattr;
1294 case amd64_sys_kexec_load:
1295 case amd64_x32_sys_kexec_load:
1296 return gdb_sys_kexec_load;
1298 case amd64_sys_waitid:
1299 case amd64_x32_sys_waitid:
1300 return gdb_sys_waitid;
1302 case amd64_sys_add_key:
1303 case amd64_x32_sys_add_key:
1304 return gdb_sys_add_key;
1306 case amd64_sys_request_key:
1307 case amd64_x32_sys_request_key:
1308 return gdb_sys_request_key;
1310 case amd64_sys_keyctl:
1311 case amd64_x32_sys_keyctl:
1312 return gdb_sys_keyctl;
1314 case amd64_sys_ioprio_set:
1315 case amd64_x32_sys_ioprio_set:
1316 return gdb_sys_ioprio_set;
1318 case amd64_sys_ioprio_get:
1319 case amd64_x32_sys_ioprio_get:
1320 return gdb_sys_ioprio_get;
1322 case amd64_sys_inotify_init:
1323 case amd64_x32_sys_inotify_init:
1324 return gdb_sys_inotify_init;
1326 case amd64_sys_inotify_add_watch:
1327 case amd64_x32_sys_inotify_add_watch:
1328 return gdb_sys_inotify_add_watch;
1330 case amd64_sys_inotify_rm_watch:
1331 case amd64_x32_sys_inotify_rm_watch:
1332 return gdb_sys_inotify_rm_watch;
1334 case amd64_sys_migrate_pages:
1335 case amd64_x32_sys_migrate_pages:
1336 return gdb_sys_migrate_pages;
1338 case amd64_sys_openat:
1339 case amd64_x32_sys_openat:
1340 return gdb_sys_openat;
1342 case amd64_sys_mkdirat:
1343 case amd64_x32_sys_mkdirat:
1344 return gdb_sys_mkdirat;
1346 case amd64_sys_mknodat:
1347 case amd64_x32_sys_mknodat:
1348 return gdb_sys_mknodat;
1350 case amd64_sys_fchownat:
1351 case amd64_x32_sys_fchownat:
1352 return gdb_sys_fchownat;
1354 case amd64_sys_futimesat:
1355 case amd64_x32_sys_futimesat:
1356 return gdb_sys_futimesat;
1358 case amd64_sys_newfstatat:
1359 case amd64_x32_sys_newfstatat:
1360 return gdb_sys_newfstatat;
1362 case amd64_sys_unlinkat:
1363 case amd64_x32_sys_unlinkat:
1364 return gdb_sys_unlinkat;
1366 case amd64_sys_renameat:
1367 case amd64_x32_sys_renameat:
1368 return gdb_sys_renameat;
1370 case amd64_sys_linkat:
1371 case amd64_x32_sys_linkat:
1372 return gdb_sys_linkat;
1374 case amd64_sys_symlinkat:
1375 case amd64_x32_sys_symlinkat:
1376 return gdb_sys_symlinkat;
1378 case amd64_sys_readlinkat:
1379 case amd64_x32_sys_readlinkat:
1380 return gdb_sys_readlinkat;
1382 case amd64_sys_fchmodat:
1383 case amd64_x32_sys_fchmodat:
1384 return gdb_sys_fchmodat;
1386 case amd64_sys_faccessat:
1387 case amd64_x32_sys_faccessat:
1388 return gdb_sys_faccessat;
1390 case amd64_sys_pselect6:
1391 case amd64_x32_sys_pselect6:
1392 return gdb_sys_pselect6;
1394 case amd64_sys_ppoll:
1395 case amd64_x32_sys_ppoll:
1396 return gdb_sys_ppoll;
1398 case amd64_sys_unshare:
1399 case amd64_x32_sys_unshare:
1400 return gdb_sys_unshare;
1402 case amd64_sys_set_robust_list:
1403 case amd64_x32_sys_set_robust_list:
1404 return gdb_sys_set_robust_list;
1406 case amd64_sys_get_robust_list:
1407 case amd64_x32_sys_get_robust_list:
1408 return gdb_sys_get_robust_list;
1410 case amd64_sys_splice:
1411 case amd64_x32_sys_splice:
1412 return gdb_sys_splice;
1415 case amd64_x32_sys_tee:
1418 case amd64_sys_sync_file_range:
1419 case amd64_x32_sys_sync_file_range:
1420 return gdb_sys_sync_file_range;
1422 case amd64_sys_vmsplice:
1423 case amd64_x32_sys_vmsplice:
1424 return gdb_sys_vmsplice;
1426 case amd64_sys_move_pages:
1427 case amd64_x32_sys_move_pages:
1428 return gdb_sys_move_pages;
1431 return gdb_sys_no_syscall;
1435 /* Parse the arguments of current system call instruction and record
1436 the values of the registers and memory that will be changed into
1437 "record_full_arch_list". This instruction is "syscall".
1439 Return -1 if something wrong. */
1441 static struct linux_record_tdep amd64_linux_record_tdep;
1442 static struct linux_record_tdep amd64_x32_linux_record_tdep;
1444 #define RECORD_ARCH_GET_FS 0x1003
1445 #define RECORD_ARCH_GET_GS 0x1004
1448 amd64_linux_syscall_record_common (struct regcache *regcache,
1449 struct linux_record_tdep *linux_record_tdep_p)
1452 ULONGEST syscall_native;
1453 enum gdb_syscall syscall_gdb = gdb_sys_no_syscall;
1455 regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native);
1457 switch (syscall_native)
1459 case amd64_sys_rt_sigreturn:
1460 case amd64_x32_sys_rt_sigreturn:
1461 if (amd64_all_but_ip_registers_record (regcache))
1466 case amd64_sys_arch_prctl:
1467 case amd64_x32_sys_arch_prctl:
1470 regcache_raw_read_unsigned (regcache, linux_record_tdep_p->arg3,
1472 if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS)
1476 regcache_raw_read_unsigned (regcache,
1477 linux_record_tdep_p->arg2,
1479 if (record_full_arch_list_add_mem
1480 (addr, linux_record_tdep_p->size_ulong))
1489 = amd64_canonicalize_syscall ((enum amd64_syscall) syscall_native);
1491 if (syscall_gdb == gdb_sys_no_syscall)
1493 printf_unfiltered (_("Process record and replay target doesn't "
1494 "support syscall number %s\n"),
1495 pulongest (syscall_native));
1500 ret = record_linux_system_call (syscall_gdb, regcache,
1501 linux_record_tdep_p);
1507 /* Record the return value of the system call. */
1508 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
1510 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
1517 amd64_linux_syscall_record (struct regcache *regcache)
1519 return amd64_linux_syscall_record_common (regcache,
1520 &amd64_linux_record_tdep);
1524 amd64_x32_linux_syscall_record (struct regcache *regcache)
1526 return amd64_linux_syscall_record_common (regcache,
1527 &amd64_x32_linux_record_tdep);
1530 #define AMD64_LINUX_redzone 128
1531 #define AMD64_LINUX_xstate 512
1532 #define AMD64_LINUX_frame_size 560
1535 amd64_linux_record_signal (struct gdbarch *gdbarch,
1536 struct regcache *regcache,
1537 enum gdb_signal signal)
1541 if (amd64_all_but_ip_registers_record (regcache))
1544 if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM))
1547 /* Record the change in the stack. */
1548 regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp);
1551 rsp -= AMD64_LINUX_redzone;
1552 /* This is for xstate.
1553 sp -= sizeof (struct _fpstate); */
1554 rsp -= AMD64_LINUX_xstate;
1555 /* This is for frame_size.
1556 sp -= sizeof (struct rt_sigframe); */
1557 rsp -= AMD64_LINUX_frame_size;
1558 if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone
1559 + AMD64_LINUX_xstate
1560 + AMD64_LINUX_frame_size))
1563 if (record_full_arch_list_add_end ())
1570 amd64_linux_read_description (uint64_t xcr0_features_bit, bool is_x32)
1572 static target_desc *amd64_linux_tdescs \
1573 [2/*AVX*/][2/*MPX*/][2/*AVX512*/][2/*PKRU*/] = {};
1574 static target_desc *x32_linux_tdescs[2/*AVX*/][2/*AVX512*/] = {};
1576 target_desc **tdesc;
1580 tdesc = &x32_linux_tdescs[(xcr0_features_bit & X86_XSTATE_AVX) ? 1 : 0 ]
1581 [(xcr0_features_bit & X86_XSTATE_AVX512) ? 1 : 0];
1585 tdesc = &amd64_linux_tdescs[(xcr0_features_bit & X86_XSTATE_AVX) ? 1 : 0]
1586 [(xcr0_features_bit & X86_XSTATE_MPX) ? 1 : 0]
1587 [(xcr0_features_bit & X86_XSTATE_AVX512) ? 1 : 0]
1588 [(xcr0_features_bit & X86_XSTATE_PKRU) ? 1 : 0];
1592 *tdesc = amd64_create_target_description (xcr0_features_bit, is_x32, true);
1597 /* Get Linux/x86 target description from core dump. */
1599 static const struct target_desc *
1600 amd64_linux_core_read_description (struct gdbarch *gdbarch,
1601 struct target_ops *target,
1605 uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
1607 return amd64_linux_read_description (xcr0 & X86_XSTATE_ALL_MASK,
1608 gdbarch_ptr_bit (gdbarch) == 32);
1611 /* Similar to amd64_supply_fpregset, but use XSAVE extended state. */
1614 amd64_linux_supply_xstateregset (const struct regset *regset,
1615 struct regcache *regcache, int regnum,
1616 const void *xstateregs, size_t len)
1618 amd64_supply_xsave (regcache, regnum, xstateregs);
1621 /* Similar to amd64_collect_fpregset, but use XSAVE extended state. */
1624 amd64_linux_collect_xstateregset (const struct regset *regset,
1625 const struct regcache *regcache,
1626 int regnum, void *xstateregs, size_t len)
1628 amd64_collect_xsave (regcache, regnum, xstateregs, 1);
1631 static const struct regset amd64_linux_xstateregset =
1634 amd64_linux_supply_xstateregset,
1635 amd64_linux_collect_xstateregset
1638 /* Iterate over core file register note sections. */
1641 amd64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
1642 iterate_over_regset_sections_cb *cb,
1644 const struct regcache *regcache)
1646 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1648 cb (".reg", 27 * 8, &i386_gregset, NULL, cb_data);
1649 cb (".reg2", 512, &amd64_fpregset, NULL, cb_data);
1650 cb (".reg-xstate", X86_XSTATE_SIZE (tdep->xcr0),
1651 &amd64_linux_xstateregset, "XSAVE extended state", cb_data);
1654 /* The instruction sequences used in x86_64 machines for a
1655 disabled is-enabled probe. */
1657 const gdb_byte amd64_dtrace_disabled_probe_sequence_1[] = {
1658 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1663 const gdb_byte amd64_dtrace_disabled_probe_sequence_2[] = {
1664 /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
1669 /* The instruction sequence used in x86_64 machines for enabling a
1670 DTrace is-enabled probe. */
1672 const gdb_byte amd64_dtrace_enable_probe_sequence[] = {
1673 /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00
1676 /* The instruction sequence used in x86_64 machines for disabling a
1677 DTrace is-enabled probe. */
1679 const gdb_byte amd64_dtrace_disable_probe_sequence[] = {
1680 /* xor %rax, %rax; nop; nop */ 0x48, 0x33, 0xC0, 0x90, 0x90
1683 /* Implementation of `gdbarch_dtrace_probe_is_enabled', as defined in
1687 amd64_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr)
1691 /* This function returns 1 if the instructions at ADDR do _not_
1692 follow any of the amd64_dtrace_disabled_probe_sequence_*
1695 Note that ADDR is offset 3 bytes from the beginning of these
1698 read_code (addr - 3, buf, 5);
1699 return (memcmp (buf, amd64_dtrace_disabled_probe_sequence_1, 5) != 0
1700 && memcmp (buf, amd64_dtrace_disabled_probe_sequence_2, 5) != 0);
1703 /* Implementation of `gdbarch_dtrace_enable_probe', as defined in
1707 amd64_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1709 /* Note also that ADDR is offset 3 bytes from the beginning of
1710 amd64_dtrace_enable_probe_sequence. */
1712 write_memory (addr - 3, amd64_dtrace_enable_probe_sequence, 5);
1715 /* Implementation of `gdbarch_dtrace_disable_probe', as defined in
1719 amd64_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1721 /* Note also that ADDR is offset 3 bytes from the beginning of
1722 amd64_dtrace_disable_probe_sequence. */
1724 write_memory (addr - 3, amd64_dtrace_disable_probe_sequence, 5);
1727 /* Implementation of `gdbarch_dtrace_parse_probe_argument', as defined
1731 amd64_dtrace_parse_probe_argument (struct gdbarch *gdbarch,
1732 struct parser_state *pstate,
1737 /* DTrace probe arguments can be found on the ABI-defined places for
1738 regular arguments at the current PC. The probe abstraction
1739 currently supports up to 12 arguments for probes. */
1743 static const int arg_reg_map[6] =
1745 AMD64_RDI_REGNUM, /* Arg 1. */
1746 AMD64_RSI_REGNUM, /* Arg 2. */
1747 AMD64_RDX_REGNUM, /* Arg 3. */
1748 AMD64_RCX_REGNUM, /* Arg 4. */
1749 AMD64_R8_REGNUM, /* Arg 5. */
1750 AMD64_R9_REGNUM /* Arg 6. */
1752 int regno = arg_reg_map[narg];
1753 const char *regname = user_reg_map_regnum_to_name (gdbarch, regno);
1755 write_exp_elt_opcode (pstate, OP_REGISTER);
1757 str.length = strlen (regname);
1758 write_exp_string (pstate, str);
1759 write_exp_elt_opcode (pstate, OP_REGISTER);
1763 /* Additional arguments are passed on the stack. */
1764 const char *regname = user_reg_map_regnum_to_name (gdbarch, AMD64_RSP_REGNUM);
1767 write_exp_elt_opcode (pstate, OP_LONG);
1768 write_exp_elt_type (pstate, builtin_type (gdbarch)->builtin_long);
1769 write_exp_elt_longcst (pstate, narg - 6);
1770 write_exp_elt_opcode (pstate, OP_LONG);
1773 write_exp_elt_opcode (pstate, OP_REGISTER);
1775 str.length = strlen (regname);
1776 write_exp_string (pstate, str);
1777 write_exp_elt_opcode (pstate, OP_REGISTER);
1779 write_exp_elt_opcode (pstate, BINOP_ADD);
1782 write_exp_elt_opcode (pstate, UNOP_CAST);
1783 write_exp_elt_type (pstate,
1784 lookup_pointer_type (builtin_type (gdbarch)->builtin_long));
1785 write_exp_elt_opcode (pstate, UNOP_CAST);
1787 write_exp_elt_opcode (pstate, UNOP_IND);
1792 amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch)
1794 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1796 linux_init_abi (info, gdbarch);
1798 tdep->sigtramp_p = amd64_linux_sigtramp_p;
1799 tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
1800 tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
1801 tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);
1803 tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET;
1805 /* Add the %orig_rax register used for syscall restarting. */
1806 set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc);
1808 tdep->register_reggroup_p = amd64_linux_register_reggroup_p;
1810 /* Functions for 'catch syscall'. */
1811 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64);
1812 set_gdbarch_get_syscall_number (gdbarch,
1813 amd64_linux_get_syscall_number);
1815 /* Enable TLS support. */
1816 set_gdbarch_fetch_tls_load_module_address (gdbarch,
1817 svr4_fetch_objfile_link_map);
1819 /* GNU/Linux uses SVR4-style shared libraries. */
1820 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
1822 /* GNU/Linux uses the dynamic linker included in the GNU C Library. */
1823 set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
1825 /* Iterate over core file register note sections. */
1826 set_gdbarch_iterate_over_regset_sections
1827 (gdbarch, amd64_linux_iterate_over_regset_sections);
1829 set_gdbarch_core_read_description (gdbarch,
1830 amd64_linux_core_read_description);
1832 /* Displaced stepping. */
1833 set_gdbarch_displaced_step_copy_insn (gdbarch,
1834 amd64_displaced_step_copy_insn);
1835 set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup);
1836 set_gdbarch_displaced_step_location (gdbarch,
1837 linux_displaced_step_location);
1839 set_gdbarch_process_record (gdbarch, i386_process_record);
1840 set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
1842 set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type);
1843 set_gdbarch_handle_segmentation_fault (gdbarch,
1844 i386_linux_handle_segmentation_fault);
1848 amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
1850 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1851 struct tdesc_arch_data *tdesc_data = info.tdesc_data;
1852 const struct tdesc_feature *feature;
1855 gdb_assert (tdesc_data);
1857 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
1858 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
1859 tdep->sizeof_gregset = 27 * 8;
1861 amd64_init_abi (info, gdbarch,
1862 amd64_linux_read_description (X86_XSTATE_SSE_MASK, false));
1864 const target_desc *tdesc = tdep->tdesc;
1866 /* Reserve a number for orig_rax. */
1867 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
1869 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
1870 if (feature == NULL)
1873 valid_p = tdesc_numbered_register (feature, tdesc_data,
1874 AMD64_LINUX_ORIG_RAX_REGNUM,
1879 amd64_linux_init_abi_common (info, gdbarch);
1881 /* Initialize the amd64_linux_record_tdep. */
1882 /* These values are the size of the type that will be used in a system
1883 call. They are obtained from Linux Kernel source. */
1884 amd64_linux_record_tdep.size_pointer
1885 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
1886 amd64_linux_record_tdep.size__old_kernel_stat = 32;
1887 amd64_linux_record_tdep.size_tms = 32;
1888 amd64_linux_record_tdep.size_loff_t = 8;
1889 amd64_linux_record_tdep.size_flock = 32;
1890 amd64_linux_record_tdep.size_oldold_utsname = 45;
1891 amd64_linux_record_tdep.size_ustat = 32;
1892 /* ADM64 doesn't need this size because it doesn't have sys_sigaction
1893 but sys_rt_sigaction. */
1894 amd64_linux_record_tdep.size_old_sigaction = 32;
1895 /* ADM64 doesn't need this size because it doesn't have sys_sigpending
1896 but sys_rt_sigpending. */
1897 amd64_linux_record_tdep.size_old_sigset_t = 8;
1898 amd64_linux_record_tdep.size_rlimit = 16;
1899 amd64_linux_record_tdep.size_rusage = 144;
1900 amd64_linux_record_tdep.size_timeval = 16;
1901 amd64_linux_record_tdep.size_timezone = 8;
1902 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
1903 but sys_getgroups. */
1904 amd64_linux_record_tdep.size_old_gid_t = 2;
1905 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
1906 but sys_getresuid. */
1907 amd64_linux_record_tdep.size_old_uid_t = 2;
1908 amd64_linux_record_tdep.size_fd_set = 128;
1909 /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
1910 amd64_linux_record_tdep.size_old_dirent = 280;
1911 amd64_linux_record_tdep.size_statfs = 120;
1912 amd64_linux_record_tdep.size_statfs64 = 120;
1913 amd64_linux_record_tdep.size_sockaddr = 16;
1914 amd64_linux_record_tdep.size_int
1915 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
1916 amd64_linux_record_tdep.size_long
1917 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1918 amd64_linux_record_tdep.size_ulong
1919 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1920 amd64_linux_record_tdep.size_msghdr = 56;
1921 amd64_linux_record_tdep.size_itimerval = 32;
1922 amd64_linux_record_tdep.size_stat = 144;
1923 amd64_linux_record_tdep.size_old_utsname = 325;
1924 amd64_linux_record_tdep.size_sysinfo = 112;
1925 amd64_linux_record_tdep.size_msqid_ds = 120;
1926 amd64_linux_record_tdep.size_shmid_ds = 112;
1927 amd64_linux_record_tdep.size_new_utsname = 390;
1928 amd64_linux_record_tdep.size_timex = 208;
1929 amd64_linux_record_tdep.size_mem_dqinfo = 24;
1930 amd64_linux_record_tdep.size_if_dqblk = 72;
1931 amd64_linux_record_tdep.size_fs_quota_stat = 80;
1932 amd64_linux_record_tdep.size_timespec = 16;
1933 amd64_linux_record_tdep.size_pollfd = 8;
1934 amd64_linux_record_tdep.size_NFS_FHSIZE = 32;
1935 amd64_linux_record_tdep.size_knfsd_fh = 132;
1936 amd64_linux_record_tdep.size_TASK_COMM_LEN = 16;
1937 amd64_linux_record_tdep.size_sigaction = 32;
1938 amd64_linux_record_tdep.size_sigset_t = 8;
1939 amd64_linux_record_tdep.size_siginfo_t = 128;
1940 amd64_linux_record_tdep.size_cap_user_data_t = 8;
1941 amd64_linux_record_tdep.size_stack_t = 24;
1942 amd64_linux_record_tdep.size_off_t = 8;
1943 amd64_linux_record_tdep.size_stat64 = 144;
1944 amd64_linux_record_tdep.size_gid_t = 4;
1945 amd64_linux_record_tdep.size_uid_t = 4;
1946 amd64_linux_record_tdep.size_PAGE_SIZE = 4096;
1947 amd64_linux_record_tdep.size_flock64 = 32;
1948 amd64_linux_record_tdep.size_user_desc = 16;
1949 amd64_linux_record_tdep.size_io_event = 32;
1950 amd64_linux_record_tdep.size_iocb = 64;
1951 amd64_linux_record_tdep.size_epoll_event = 12;
1952 amd64_linux_record_tdep.size_itimerspec = 32;
1953 amd64_linux_record_tdep.size_mq_attr = 64;
1954 amd64_linux_record_tdep.size_termios = 36;
1955 amd64_linux_record_tdep.size_termios2 = 44;
1956 amd64_linux_record_tdep.size_pid_t = 4;
1957 amd64_linux_record_tdep.size_winsize = 8;
1958 amd64_linux_record_tdep.size_serial_struct = 72;
1959 amd64_linux_record_tdep.size_serial_icounter_struct = 80;
1960 amd64_linux_record_tdep.size_hayes_esp_config = 12;
1961 amd64_linux_record_tdep.size_size_t = 8;
1962 amd64_linux_record_tdep.size_iovec = 16;
1963 amd64_linux_record_tdep.size_time_t = 8;
1965 /* These values are the second argument of system call "sys_fcntl"
1966 and "sys_fcntl64". They are obtained from Linux Kernel source. */
1967 amd64_linux_record_tdep.fcntl_F_GETLK = 5;
1968 amd64_linux_record_tdep.fcntl_F_GETLK64 = 12;
1969 amd64_linux_record_tdep.fcntl_F_SETLK64 = 13;
1970 amd64_linux_record_tdep.fcntl_F_SETLKW64 = 14;
1972 amd64_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
1973 amd64_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
1974 amd64_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
1975 amd64_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
1976 amd64_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
1977 amd64_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
1979 /* These values are the second argument of system call "sys_ioctl".
1980 They are obtained from Linux Kernel source. */
1981 amd64_linux_record_tdep.ioctl_TCGETS = 0x5401;
1982 amd64_linux_record_tdep.ioctl_TCSETS = 0x5402;
1983 amd64_linux_record_tdep.ioctl_TCSETSW = 0x5403;
1984 amd64_linux_record_tdep.ioctl_TCSETSF = 0x5404;
1985 amd64_linux_record_tdep.ioctl_TCGETA = 0x5405;
1986 amd64_linux_record_tdep.ioctl_TCSETA = 0x5406;
1987 amd64_linux_record_tdep.ioctl_TCSETAW = 0x5407;
1988 amd64_linux_record_tdep.ioctl_TCSETAF = 0x5408;
1989 amd64_linux_record_tdep.ioctl_TCSBRK = 0x5409;
1990 amd64_linux_record_tdep.ioctl_TCXONC = 0x540A;
1991 amd64_linux_record_tdep.ioctl_TCFLSH = 0x540B;
1992 amd64_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
1993 amd64_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
1994 amd64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
1995 amd64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
1996 amd64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
1997 amd64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
1998 amd64_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
1999 amd64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
2000 amd64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
2001 amd64_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
2002 amd64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
2003 amd64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
2004 amd64_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
2005 amd64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
2006 amd64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
2007 amd64_linux_record_tdep.ioctl_FIONREAD = 0x541B;
2008 amd64_linux_record_tdep.ioctl_TIOCINQ
2009 = amd64_linux_record_tdep.ioctl_FIONREAD;
2010 amd64_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
2011 amd64_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
2012 amd64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
2013 amd64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
2014 amd64_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
2015 amd64_linux_record_tdep.ioctl_FIONBIO = 0x5421;
2016 amd64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
2017 amd64_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
2018 amd64_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
2019 amd64_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
2020 amd64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
2021 amd64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
2022 amd64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
2023 amd64_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
2024 amd64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
2025 amd64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
2026 amd64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
2027 amd64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
2028 amd64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
2029 amd64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
2030 amd64_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
2031 amd64_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
2032 amd64_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
2033 amd64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
2034 amd64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
2035 amd64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
2036 amd64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
2037 amd64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
2038 amd64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
2039 amd64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
2040 amd64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
2041 amd64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
2042 amd64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
2043 amd64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
2044 amd64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
2045 amd64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
2046 amd64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
2048 tdep->i386_syscall_record = amd64_linux_syscall_record;
2050 /* GNU/Linux uses SVR4-style shared libraries. */
2051 set_solib_svr4_fetch_link_map_offsets
2052 (gdbarch, svr4_lp64_fetch_link_map_offsets);
2054 /* Register DTrace handlers. */
2055 set_gdbarch_dtrace_parse_probe_argument (gdbarch, amd64_dtrace_parse_probe_argument);
2056 set_gdbarch_dtrace_probe_is_enabled (gdbarch, amd64_dtrace_probe_is_enabled);
2057 set_gdbarch_dtrace_enable_probe (gdbarch, amd64_dtrace_enable_probe);
2058 set_gdbarch_dtrace_disable_probe (gdbarch, amd64_dtrace_disable_probe);
2062 amd64_x32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
2064 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2065 struct tdesc_arch_data *tdesc_data = info.tdesc_data;
2066 const struct tdesc_feature *feature;
2069 gdb_assert (tdesc_data);
2071 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
2072 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
2073 tdep->sizeof_gregset = 27 * 8;
2075 amd64_x32_init_abi (info, gdbarch,
2076 amd64_linux_read_description (X86_XSTATE_SSE_MASK,
2079 /* Reserve a number for orig_rax. */
2080 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
2082 const target_desc *tdesc = tdep->tdesc;
2084 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
2085 if (feature == NULL)
2088 valid_p = tdesc_numbered_register (feature, tdesc_data,
2089 AMD64_LINUX_ORIG_RAX_REGNUM,
2094 amd64_linux_init_abi_common (info, gdbarch);
2096 /* Initialize the amd64_x32_linux_record_tdep. */
2097 /* These values are the size of the type that will be used in a system
2098 call. They are obtained from Linux Kernel source. */
2099 amd64_x32_linux_record_tdep.size_pointer
2100 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
2101 amd64_x32_linux_record_tdep.size__old_kernel_stat = 32;
2102 amd64_x32_linux_record_tdep.size_tms = 32;
2103 amd64_x32_linux_record_tdep.size_loff_t = 8;
2104 amd64_x32_linux_record_tdep.size_flock = 32;
2105 amd64_x32_linux_record_tdep.size_oldold_utsname = 45;
2106 amd64_x32_linux_record_tdep.size_ustat = 32;
2107 /* ADM64 doesn't need this size because it doesn't have sys_sigaction
2108 but sys_rt_sigaction. */
2109 amd64_x32_linux_record_tdep.size_old_sigaction = 16;
2110 /* ADM64 doesn't need this size because it doesn't have sys_sigpending
2111 but sys_rt_sigpending. */
2112 amd64_x32_linux_record_tdep.size_old_sigset_t = 4;
2113 amd64_x32_linux_record_tdep.size_rlimit = 16;
2114 amd64_x32_linux_record_tdep.size_rusage = 144;
2115 amd64_x32_linux_record_tdep.size_timeval = 16;
2116 amd64_x32_linux_record_tdep.size_timezone = 8;
2117 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
2118 but sys_getgroups. */
2119 amd64_x32_linux_record_tdep.size_old_gid_t = 2;
2120 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
2121 but sys_getresuid. */
2122 amd64_x32_linux_record_tdep.size_old_uid_t = 2;
2123 amd64_x32_linux_record_tdep.size_fd_set = 128;
2124 /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
2125 amd64_x32_linux_record_tdep.size_old_dirent = 268;
2126 amd64_x32_linux_record_tdep.size_statfs = 120;
2127 amd64_x32_linux_record_tdep.size_statfs64 = 120;
2128 amd64_x32_linux_record_tdep.size_sockaddr = 16;
2129 amd64_x32_linux_record_tdep.size_int
2130 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
2131 amd64_x32_linux_record_tdep.size_long
2132 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2133 amd64_x32_linux_record_tdep.size_ulong
2134 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2135 amd64_x32_linux_record_tdep.size_msghdr = 28;
2136 amd64_x32_linux_record_tdep.size_itimerval = 32;
2137 amd64_x32_linux_record_tdep.size_stat = 144;
2138 amd64_x32_linux_record_tdep.size_old_utsname = 325;
2139 amd64_x32_linux_record_tdep.size_sysinfo = 112;
2140 amd64_x32_linux_record_tdep.size_msqid_ds = 120;
2141 amd64_x32_linux_record_tdep.size_shmid_ds = 112;
2142 amd64_x32_linux_record_tdep.size_new_utsname = 390;
2143 amd64_x32_linux_record_tdep.size_timex = 208;
2144 amd64_x32_linux_record_tdep.size_mem_dqinfo = 24;
2145 amd64_x32_linux_record_tdep.size_if_dqblk = 72;
2146 amd64_x32_linux_record_tdep.size_fs_quota_stat = 80;
2147 amd64_x32_linux_record_tdep.size_timespec = 16;
2148 amd64_x32_linux_record_tdep.size_pollfd = 8;
2149 amd64_x32_linux_record_tdep.size_NFS_FHSIZE = 32;
2150 amd64_x32_linux_record_tdep.size_knfsd_fh = 132;
2151 amd64_x32_linux_record_tdep.size_TASK_COMM_LEN = 16;
2152 amd64_x32_linux_record_tdep.size_sigaction = 20;
2153 amd64_x32_linux_record_tdep.size_sigset_t = 8;
2154 amd64_x32_linux_record_tdep.size_siginfo_t = 128;
2155 amd64_x32_linux_record_tdep.size_cap_user_data_t = 8;
2156 amd64_x32_linux_record_tdep.size_stack_t = 12;
2157 amd64_x32_linux_record_tdep.size_off_t = 8;
2158 amd64_x32_linux_record_tdep.size_stat64 = 144;
2159 amd64_x32_linux_record_tdep.size_gid_t = 4;
2160 amd64_x32_linux_record_tdep.size_uid_t = 4;
2161 amd64_x32_linux_record_tdep.size_PAGE_SIZE = 4096;
2162 amd64_x32_linux_record_tdep.size_flock64 = 32;
2163 amd64_x32_linux_record_tdep.size_user_desc = 16;
2164 amd64_x32_linux_record_tdep.size_io_event = 32;
2165 amd64_x32_linux_record_tdep.size_iocb = 64;
2166 amd64_x32_linux_record_tdep.size_epoll_event = 12;
2167 amd64_x32_linux_record_tdep.size_itimerspec = 32;
2168 amd64_x32_linux_record_tdep.size_mq_attr = 64;
2169 amd64_x32_linux_record_tdep.size_termios = 36;
2170 amd64_x32_linux_record_tdep.size_termios2 = 44;
2171 amd64_x32_linux_record_tdep.size_pid_t = 4;
2172 amd64_x32_linux_record_tdep.size_winsize = 8;
2173 amd64_x32_linux_record_tdep.size_serial_struct = 72;
2174 amd64_x32_linux_record_tdep.size_serial_icounter_struct = 80;
2175 amd64_x32_linux_record_tdep.size_hayes_esp_config = 12;
2176 amd64_x32_linux_record_tdep.size_size_t = 4;
2177 amd64_x32_linux_record_tdep.size_iovec = 8;
2178 amd64_x32_linux_record_tdep.size_time_t = 8;
2180 /* These values are the second argument of system call "sys_fcntl"
2181 and "sys_fcntl64". They are obtained from Linux Kernel source. */
2182 amd64_x32_linux_record_tdep.fcntl_F_GETLK = 5;
2183 amd64_x32_linux_record_tdep.fcntl_F_GETLK64 = 12;
2184 amd64_x32_linux_record_tdep.fcntl_F_SETLK64 = 13;
2185 amd64_x32_linux_record_tdep.fcntl_F_SETLKW64 = 14;
2187 amd64_x32_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
2188 amd64_x32_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
2189 amd64_x32_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
2190 amd64_x32_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
2191 amd64_x32_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
2192 amd64_x32_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
2194 /* These values are the second argument of system call "sys_ioctl".
2195 They are obtained from Linux Kernel source. */
2196 amd64_x32_linux_record_tdep.ioctl_TCGETS = 0x5401;
2197 amd64_x32_linux_record_tdep.ioctl_TCSETS = 0x5402;
2198 amd64_x32_linux_record_tdep.ioctl_TCSETSW = 0x5403;
2199 amd64_x32_linux_record_tdep.ioctl_TCSETSF = 0x5404;
2200 amd64_x32_linux_record_tdep.ioctl_TCGETA = 0x5405;
2201 amd64_x32_linux_record_tdep.ioctl_TCSETA = 0x5406;
2202 amd64_x32_linux_record_tdep.ioctl_TCSETAW = 0x5407;
2203 amd64_x32_linux_record_tdep.ioctl_TCSETAF = 0x5408;
2204 amd64_x32_linux_record_tdep.ioctl_TCSBRK = 0x5409;
2205 amd64_x32_linux_record_tdep.ioctl_TCXONC = 0x540A;
2206 amd64_x32_linux_record_tdep.ioctl_TCFLSH = 0x540B;
2207 amd64_x32_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
2208 amd64_x32_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
2209 amd64_x32_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
2210 amd64_x32_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
2211 amd64_x32_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
2212 amd64_x32_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
2213 amd64_x32_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
2214 amd64_x32_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
2215 amd64_x32_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
2216 amd64_x32_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
2217 amd64_x32_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
2218 amd64_x32_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
2219 amd64_x32_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
2220 amd64_x32_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
2221 amd64_x32_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
2222 amd64_x32_linux_record_tdep.ioctl_FIONREAD = 0x541B;
2223 amd64_x32_linux_record_tdep.ioctl_TIOCINQ = amd64_x32_linux_record_tdep.ioctl_FIONREAD;
2224 amd64_x32_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
2225 amd64_x32_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
2226 amd64_x32_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
2227 amd64_x32_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
2228 amd64_x32_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
2229 amd64_x32_linux_record_tdep.ioctl_FIONBIO = 0x5421;
2230 amd64_x32_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
2231 amd64_x32_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
2232 amd64_x32_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
2233 amd64_x32_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
2234 amd64_x32_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
2235 amd64_x32_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
2236 amd64_x32_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
2237 amd64_x32_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
2238 amd64_x32_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
2239 amd64_x32_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
2240 amd64_x32_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
2241 amd64_x32_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
2242 amd64_x32_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
2243 amd64_x32_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
2244 amd64_x32_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
2245 amd64_x32_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
2246 amd64_x32_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
2247 amd64_x32_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
2248 amd64_x32_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
2249 amd64_x32_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
2250 amd64_x32_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
2251 amd64_x32_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
2252 amd64_x32_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
2253 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
2254 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
2255 amd64_x32_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
2256 amd64_x32_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
2257 amd64_x32_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
2258 amd64_x32_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
2259 amd64_x32_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
2260 amd64_x32_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
2262 tdep->i386_syscall_record = amd64_x32_linux_syscall_record;
2264 /* GNU/Linux uses SVR4-style shared libraries. */
2265 set_solib_svr4_fetch_link_map_offsets
2266 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
2270 _initialize_amd64_linux_tdep (void)
2272 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
2273 GDB_OSABI_LINUX, amd64_linux_init_abi);
2274 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32,
2275 GDB_OSABI_LINUX, amd64_x32_linux_init_abi);
2283 { "i386/amd64-linux.xml", X86_XSTATE_SSE_MASK },
2284 { "i386/amd64-avx-linux.xml", X86_XSTATE_AVX_MASK },
2285 { "i386/amd64-mpx-linux.xml", X86_XSTATE_MPX_MASK },
2286 { "i386/amd64-avx-mpx-linux.xml", X86_XSTATE_AVX_MPX_MASK },
2287 { "i386/amd64-avx-avx512-linux.xml", X86_XSTATE_AVX_AVX512_MASK },
2288 { "i386/amd64-avx-mpx-avx512-pku-linux.xml",
2289 X86_XSTATE_AVX_MPX_AVX512_PKU_MASK },
2290 { "i386/x32-linux.xml", X86_XSTATE_SSE_MASK },
2291 { "i386/x32-avx-linux.xml", X86_XSTATE_AVX_MASK },
2292 { "i386/x32-avx-avx512-linux.xml", X86_XSTATE_AVX_AVX512_MASK },
2295 for (auto &a : xml_masks)
2297 auto tdesc = amd64_linux_read_description (a.mask,
2301 selftests::record_xml_tdesc (a.xml, tdesc);
2303 #endif /* GDB_SELF_TEST */