1 /* Target-dependent code for GNU/Linux AArch64.
3 Copyright (C) 2009-2017 Free Software Foundation, Inc.
4 Contributed by ARM Ltd.
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/>. */
24 #include "arch-utils.h"
25 #include "glibc-tdep.h"
26 #include "linux-tdep.h"
27 #include "aarch64-tdep.h"
28 #include "aarch64-linux-tdep.h"
30 #include "solib-svr4.h"
32 #include "tramp-frame.h"
33 #include "trad-frame.h"
39 #include "cli/cli-utils.h"
40 #include "stap-probe.h"
41 #include "parser-defs.h"
42 #include "user-regs.h"
43 #include "xml-syscall.h"
46 #include "record-full.h"
47 #include "linux-record.h"
49 /* Signal frame handling.
64 | | | SIGTRAMP_FRAME (struct rt_sigframe)
66 +--| saved sp |--> interrupted_sp
67 | | saved pc |--> interrupted_pc
70 | | saved lr |--> default_restorer (movz x8, NR_sys_rt_sigreturn; svc 0)
76 On signal delivery, the kernel will create a signal handler stack
77 frame and setup the return address in LR to point at restorer stub.
78 The signal stack frame is defined by:
91 The ucontext has the following form:
94 unsigned long uc_flags;
95 struct ucontext *uc_link;
98 struct sigcontext uc_mcontext;
101 typedef struct sigaltstack
110 unsigned long fault_address;
111 unsigned long regs[31];
112 unsigned long sp; / * 31 * /
113 unsigned long pc; / * 32 * /
114 unsigned long pstate; / * 33 * /
115 __u8 __reserved[4096]
118 The restorer stub will always have the form:
120 d28015a8 movz x8, #0xad
123 This is a system call sys_rt_sigreturn.
125 We detect signal frames by snooping the return code for the restorer
126 instruction sequence.
128 The handler then needs to recover the saved register set from
129 ucontext.uc_mcontext. */
131 /* These magic numbers need to reflect the layout of the kernel
132 defined struct rt_sigframe and ucontext. */
133 #define AARCH64_SIGCONTEXT_REG_SIZE 8
134 #define AARCH64_RT_SIGFRAME_UCONTEXT_OFFSET 128
135 #define AARCH64_UCONTEXT_SIGCONTEXT_OFFSET 176
136 #define AARCH64_SIGCONTEXT_XO_OFFSET 8
138 /* Implement the "init" method of struct tramp_frame. */
141 aarch64_linux_sigframe_init (const struct tramp_frame
*self
,
142 struct frame_info
*this_frame
,
143 struct trad_frame_cache
*this_cache
,
146 CORE_ADDR sp
= get_frame_register_unsigned (this_frame
, AARCH64_SP_REGNUM
);
147 CORE_ADDR sigcontext_addr
=
149 + AARCH64_RT_SIGFRAME_UCONTEXT_OFFSET
150 + AARCH64_UCONTEXT_SIGCONTEXT_OFFSET
;
153 for (i
= 0; i
< 31; i
++)
155 trad_frame_set_reg_addr (this_cache
,
156 AARCH64_X0_REGNUM
+ i
,
157 sigcontext_addr
+ AARCH64_SIGCONTEXT_XO_OFFSET
158 + i
* AARCH64_SIGCONTEXT_REG_SIZE
);
160 trad_frame_set_reg_addr (this_cache
, AARCH64_SP_REGNUM
,
161 sigcontext_addr
+ AARCH64_SIGCONTEXT_XO_OFFSET
162 + 31 * AARCH64_SIGCONTEXT_REG_SIZE
);
163 trad_frame_set_reg_addr (this_cache
, AARCH64_PC_REGNUM
,
164 sigcontext_addr
+ AARCH64_SIGCONTEXT_XO_OFFSET
165 + 32 * AARCH64_SIGCONTEXT_REG_SIZE
);
167 trad_frame_set_id (this_cache
, frame_id_build (sp
, func
));
170 static const struct tramp_frame aarch64_linux_rt_sigframe
=
175 /* movz x8, 0x8b (S=1,o=10,h=0,i=0x8b,r=8)
176 Soo1 0010 1hhi iiii iiii iiii iiir rrrr */
179 /* svc 0x0 (o=0, l=1)
180 1101 0100 oooi iiii iiii iiii iii0 00ll */
182 {TRAMP_SENTINEL_INSN
, -1}
184 aarch64_linux_sigframe_init
189 static const struct regcache_map_entry aarch64_linux_gregmap
[] =
191 { 31, AARCH64_X0_REGNUM
, 8 }, /* x0 ... x30 */
192 { 1, AARCH64_SP_REGNUM
, 8 },
193 { 1, AARCH64_PC_REGNUM
, 8 },
194 { 1, AARCH64_CPSR_REGNUM
, 8 },
198 static const struct regcache_map_entry aarch64_linux_fpregmap
[] =
200 { 32, AARCH64_V0_REGNUM
, 16 }, /* v0 ... v31 */
201 { 1, AARCH64_FPSR_REGNUM
, 4 },
202 { 1, AARCH64_FPCR_REGNUM
, 4 },
206 /* Register set definitions. */
208 const struct regset aarch64_linux_gregset
=
210 aarch64_linux_gregmap
,
211 regcache_supply_regset
, regcache_collect_regset
214 const struct regset aarch64_linux_fpregset
=
216 aarch64_linux_fpregmap
,
217 regcache_supply_regset
, regcache_collect_regset
220 /* Implement the "regset_from_core_section" gdbarch method. */
223 aarch64_linux_iterate_over_regset_sections (struct gdbarch
*gdbarch
,
224 iterate_over_regset_sections_cb
*cb
,
226 const struct regcache
*regcache
)
228 cb (".reg", AARCH64_LINUX_SIZEOF_GREGSET
, &aarch64_linux_gregset
,
230 cb (".reg2", AARCH64_LINUX_SIZEOF_FPREGSET
, &aarch64_linux_fpregset
,
234 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
238 aarch64_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
)
240 return (*s
== '#' || isdigit (*s
) /* Literal number. */
241 || *s
== '[' /* Register indirection. */
242 || isalpha (*s
)); /* Register value. */
245 /* This routine is used to parse a special token in AArch64's assembly.
247 The special tokens parsed by it are:
249 - Register displacement (e.g, [fp, #-8])
251 It returns one if the special token has been parsed successfully,
252 or zero if the current token is not considered special. */
255 aarch64_stap_parse_special_token (struct gdbarch
*gdbarch
,
256 struct stap_parse_info
*p
)
260 /* Temporary holder for lookahead. */
261 const char *tmp
= p
->arg
;
263 /* Used to save the register name. */
275 while (isalnum (*tmp
))
282 regname
= (char *) alloca (len
+ 2);
284 strncpy (regname
, start
, len
);
287 if (user_reg_map_name_to_regnum (gdbarch
, regname
, len
) == -1)
288 error (_("Invalid register name `%s' on expression `%s'."),
289 regname
, p
->saved_arg
);
292 tmp
= skip_spaces_const (tmp
);
293 /* Now we expect a number. It can begin with '#' or simply
303 else if (*tmp
== '+')
309 displacement
= strtol (tmp
, &endp
, 10);
312 /* Skipping last `]'. */
316 /* The displacement. */
317 write_exp_elt_opcode (&p
->pstate
, OP_LONG
);
318 write_exp_elt_type (&p
->pstate
, builtin_type (gdbarch
)->builtin_long
);
319 write_exp_elt_longcst (&p
->pstate
, displacement
);
320 write_exp_elt_opcode (&p
->pstate
, OP_LONG
);
322 write_exp_elt_opcode (&p
->pstate
, UNOP_NEG
);
324 /* The register name. */
325 write_exp_elt_opcode (&p
->pstate
, OP_REGISTER
);
328 write_exp_string (&p
->pstate
, str
);
329 write_exp_elt_opcode (&p
->pstate
, OP_REGISTER
);
331 write_exp_elt_opcode (&p
->pstate
, BINOP_ADD
);
333 /* Casting to the expected type. */
334 write_exp_elt_opcode (&p
->pstate
, UNOP_CAST
);
335 write_exp_elt_type (&p
->pstate
, lookup_pointer_type (p
->arg_type
));
336 write_exp_elt_opcode (&p
->pstate
, UNOP_CAST
);
338 write_exp_elt_opcode (&p
->pstate
, UNOP_IND
);
348 /* Implement the "get_syscall_number" gdbarch method. */
351 aarch64_linux_get_syscall_number (struct gdbarch
*gdbarch
,
354 struct regcache
*regs
= get_thread_regcache (ptid
);
355 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
357 /* The content of register x8. */
358 gdb_byte buf
[X_REGISTER_SIZE
];
362 /* Getting the system call number from the register x8. */
363 regcache_cooked_read (regs
, AARCH64_DWARF_X0
+ 8, buf
);
365 ret
= extract_signed_integer (buf
, X_REGISTER_SIZE
, byte_order
);
370 /* AArch64 process record-replay constructs: syscall, signal etc. */
372 struct linux_record_tdep aarch64_linux_record_tdep
;
374 /* Enum that defines the AArch64 linux specific syscall identifiers used for
375 process record/replay. */
377 enum aarch64_syscall
{
378 aarch64_sys_io_setup
= 0,
379 aarch64_sys_io_destroy
= 1,
380 aarch64_sys_io_submit
= 2,
381 aarch64_sys_io_cancel
= 3,
382 aarch64_sys_io_getevents
= 4,
383 aarch64_sys_setxattr
= 5,
384 aarch64_sys_lsetxattr
= 6,
385 aarch64_sys_fsetxattr
= 7,
386 aarch64_sys_getxattr
= 8,
387 aarch64_sys_lgetxattr
= 9,
388 aarch64_sys_fgetxattr
= 10,
389 aarch64_sys_listxattr
= 11,
390 aarch64_sys_llistxattr
= 12,
391 aarch64_sys_flistxattr
= 13,
392 aarch64_sys_removexattr
= 14,
393 aarch64_sys_lremovexattr
= 15,
394 aarch64_sys_fremovexattr
= 16,
395 aarch64_sys_getcwd
= 17,
396 aarch64_sys_lookup_dcookie
= 18,
397 aarch64_sys_eventfd2
= 19,
398 aarch64_sys_epoll_create1
= 20,
399 aarch64_sys_epoll_ctl
= 21,
400 aarch64_sys_epoll_pwait
= 22,
401 aarch64_sys_dup
= 23,
402 aarch64_sys_dup3
= 24,
403 aarch64_sys_fcntl
= 25,
404 aarch64_sys_inotify_init1
= 26,
405 aarch64_sys_inotify_add_watch
= 27,
406 aarch64_sys_inotify_rm_watch
= 28,
407 aarch64_sys_ioctl
= 29,
408 aarch64_sys_ioprio_set
= 30,
409 aarch64_sys_ioprio_get
= 31,
410 aarch64_sys_flock
= 32,
411 aarch64_sys_mknodat
= 33,
412 aarch64_sys_mkdirat
= 34,
413 aarch64_sys_unlinkat
= 35,
414 aarch64_sys_symlinkat
= 36,
415 aarch64_sys_linkat
= 37,
416 aarch64_sys_renameat
= 38,
417 aarch64_sys_umount2
= 39,
418 aarch64_sys_mount
= 40,
419 aarch64_sys_pivot_root
= 41,
420 aarch64_sys_nfsservctl
= 42,
421 aarch64_sys_statfs
= 43,
422 aarch64_sys_fstatfs
= 44,
423 aarch64_sys_truncate
= 45,
424 aarch64_sys_ftruncate
= 46,
425 aarch64_sys_fallocate
= 47,
426 aarch64_sys_faccessat
= 48,
427 aarch64_sys_chdir
= 49,
428 aarch64_sys_fchdir
= 50,
429 aarch64_sys_chroot
= 51,
430 aarch64_sys_fchmod
= 52,
431 aarch64_sys_fchmodat
= 53,
432 aarch64_sys_fchownat
= 54,
433 aarch64_sys_fchown
= 55,
434 aarch64_sys_openat
= 56,
435 aarch64_sys_close
= 57,
436 aarch64_sys_vhangup
= 58,
437 aarch64_sys_pipe2
= 59,
438 aarch64_sys_quotactl
= 60,
439 aarch64_sys_getdents64
= 61,
440 aarch64_sys_lseek
= 62,
441 aarch64_sys_read
= 63,
442 aarch64_sys_write
= 64,
443 aarch64_sys_readv
= 65,
444 aarch64_sys_writev
= 66,
445 aarch64_sys_pread64
= 67,
446 aarch64_sys_pwrite64
= 68,
447 aarch64_sys_preadv
= 69,
448 aarch64_sys_pwritev
= 70,
449 aarch64_sys_sendfile
= 71,
450 aarch64_sys_pselect6
= 72,
451 aarch64_sys_ppoll
= 73,
452 aarch64_sys_signalfd4
= 74,
453 aarch64_sys_vmsplice
= 75,
454 aarch64_sys_splice
= 76,
455 aarch64_sys_tee
= 77,
456 aarch64_sys_readlinkat
= 78,
457 aarch64_sys_newfstatat
= 79,
458 aarch64_sys_fstat
= 80,
459 aarch64_sys_sync
= 81,
460 aarch64_sys_fsync
= 82,
461 aarch64_sys_fdatasync
= 83,
462 aarch64_sys_sync_file_range2
= 84,
463 aarch64_sys_sync_file_range
= 84,
464 aarch64_sys_timerfd_create
= 85,
465 aarch64_sys_timerfd_settime
= 86,
466 aarch64_sys_timerfd_gettime
= 87,
467 aarch64_sys_utimensat
= 88,
468 aarch64_sys_acct
= 89,
469 aarch64_sys_capget
= 90,
470 aarch64_sys_capset
= 91,
471 aarch64_sys_personality
= 92,
472 aarch64_sys_exit
= 93,
473 aarch64_sys_exit_group
= 94,
474 aarch64_sys_waitid
= 95,
475 aarch64_sys_set_tid_address
= 96,
476 aarch64_sys_unshare
= 97,
477 aarch64_sys_futex
= 98,
478 aarch64_sys_set_robust_list
= 99,
479 aarch64_sys_get_robust_list
= 100,
480 aarch64_sys_nanosleep
= 101,
481 aarch64_sys_getitimer
= 102,
482 aarch64_sys_setitimer
= 103,
483 aarch64_sys_kexec_load
= 104,
484 aarch64_sys_init_module
= 105,
485 aarch64_sys_delete_module
= 106,
486 aarch64_sys_timer_create
= 107,
487 aarch64_sys_timer_gettime
= 108,
488 aarch64_sys_timer_getoverrun
= 109,
489 aarch64_sys_timer_settime
= 110,
490 aarch64_sys_timer_delete
= 111,
491 aarch64_sys_clock_settime
= 112,
492 aarch64_sys_clock_gettime
= 113,
493 aarch64_sys_clock_getres
= 114,
494 aarch64_sys_clock_nanosleep
= 115,
495 aarch64_sys_syslog
= 116,
496 aarch64_sys_ptrace
= 117,
497 aarch64_sys_sched_setparam
= 118,
498 aarch64_sys_sched_setscheduler
= 119,
499 aarch64_sys_sched_getscheduler
= 120,
500 aarch64_sys_sched_getparam
= 121,
501 aarch64_sys_sched_setaffinity
= 122,
502 aarch64_sys_sched_getaffinity
= 123,
503 aarch64_sys_sched_yield
= 124,
504 aarch64_sys_sched_get_priority_max
= 125,
505 aarch64_sys_sched_get_priority_min
= 126,
506 aarch64_sys_sched_rr_get_interval
= 127,
507 aarch64_sys_kill
= 129,
508 aarch64_sys_tkill
= 130,
509 aarch64_sys_tgkill
= 131,
510 aarch64_sys_sigaltstack
= 132,
511 aarch64_sys_rt_sigsuspend
= 133,
512 aarch64_sys_rt_sigaction
= 134,
513 aarch64_sys_rt_sigprocmask
= 135,
514 aarch64_sys_rt_sigpending
= 136,
515 aarch64_sys_rt_sigtimedwait
= 137,
516 aarch64_sys_rt_sigqueueinfo
= 138,
517 aarch64_sys_rt_sigreturn
= 139,
518 aarch64_sys_setpriority
= 140,
519 aarch64_sys_getpriority
= 141,
520 aarch64_sys_reboot
= 142,
521 aarch64_sys_setregid
= 143,
522 aarch64_sys_setgid
= 144,
523 aarch64_sys_setreuid
= 145,
524 aarch64_sys_setuid
= 146,
525 aarch64_sys_setresuid
= 147,
526 aarch64_sys_getresuid
= 148,
527 aarch64_sys_setresgid
= 149,
528 aarch64_sys_getresgid
= 150,
529 aarch64_sys_setfsuid
= 151,
530 aarch64_sys_setfsgid
= 152,
531 aarch64_sys_times
= 153,
532 aarch64_sys_setpgid
= 154,
533 aarch64_sys_getpgid
= 155,
534 aarch64_sys_getsid
= 156,
535 aarch64_sys_setsid
= 157,
536 aarch64_sys_getgroups
= 158,
537 aarch64_sys_setgroups
= 159,
538 aarch64_sys_uname
= 160,
539 aarch64_sys_sethostname
= 161,
540 aarch64_sys_setdomainname
= 162,
541 aarch64_sys_getrlimit
= 163,
542 aarch64_sys_setrlimit
= 164,
543 aarch64_sys_getrusage
= 165,
544 aarch64_sys_umask
= 166,
545 aarch64_sys_prctl
= 167,
546 aarch64_sys_getcpu
= 168,
547 aarch64_sys_gettimeofday
= 169,
548 aarch64_sys_settimeofday
= 170,
549 aarch64_sys_adjtimex
= 171,
550 aarch64_sys_getpid
= 172,
551 aarch64_sys_getppid
= 173,
552 aarch64_sys_getuid
= 174,
553 aarch64_sys_geteuid
= 175,
554 aarch64_sys_getgid
= 176,
555 aarch64_sys_getegid
= 177,
556 aarch64_sys_gettid
= 178,
557 aarch64_sys_sysinfo
= 179,
558 aarch64_sys_mq_open
= 180,
559 aarch64_sys_mq_unlink
= 181,
560 aarch64_sys_mq_timedsend
= 182,
561 aarch64_sys_mq_timedreceive
= 183,
562 aarch64_sys_mq_notify
= 184,
563 aarch64_sys_mq_getsetattr
= 185,
564 aarch64_sys_msgget
= 186,
565 aarch64_sys_msgctl
= 187,
566 aarch64_sys_msgrcv
= 188,
567 aarch64_sys_msgsnd
= 189,
568 aarch64_sys_semget
= 190,
569 aarch64_sys_semctl
= 191,
570 aarch64_sys_semtimedop
= 192,
571 aarch64_sys_semop
= 193,
572 aarch64_sys_shmget
= 194,
573 aarch64_sys_shmctl
= 195,
574 aarch64_sys_shmat
= 196,
575 aarch64_sys_shmdt
= 197,
576 aarch64_sys_socket
= 198,
577 aarch64_sys_socketpair
= 199,
578 aarch64_sys_bind
= 200,
579 aarch64_sys_listen
= 201,
580 aarch64_sys_accept
= 202,
581 aarch64_sys_connect
= 203,
582 aarch64_sys_getsockname
= 204,
583 aarch64_sys_getpeername
= 205,
584 aarch64_sys_sendto
= 206,
585 aarch64_sys_recvfrom
= 207,
586 aarch64_sys_setsockopt
= 208,
587 aarch64_sys_getsockopt
= 209,
588 aarch64_sys_shutdown
= 210,
589 aarch64_sys_sendmsg
= 211,
590 aarch64_sys_recvmsg
= 212,
591 aarch64_sys_readahead
= 213,
592 aarch64_sys_brk
= 214,
593 aarch64_sys_munmap
= 215,
594 aarch64_sys_mremap
= 216,
595 aarch64_sys_add_key
= 217,
596 aarch64_sys_request_key
= 218,
597 aarch64_sys_keyctl
= 219,
598 aarch64_sys_clone
= 220,
599 aarch64_sys_execve
= 221,
600 aarch64_sys_mmap
= 222,
601 aarch64_sys_fadvise64
= 223,
602 aarch64_sys_swapon
= 224,
603 aarch64_sys_swapoff
= 225,
604 aarch64_sys_mprotect
= 226,
605 aarch64_sys_msync
= 227,
606 aarch64_sys_mlock
= 228,
607 aarch64_sys_munlock
= 229,
608 aarch64_sys_mlockall
= 230,
609 aarch64_sys_munlockall
= 231,
610 aarch64_sys_mincore
= 232,
611 aarch64_sys_madvise
= 233,
612 aarch64_sys_remap_file_pages
= 234,
613 aarch64_sys_mbind
= 235,
614 aarch64_sys_get_mempolicy
= 236,
615 aarch64_sys_set_mempolicy
= 237,
616 aarch64_sys_migrate_pages
= 238,
617 aarch64_sys_move_pages
= 239,
618 aarch64_sys_rt_tgsigqueueinfo
= 240,
619 aarch64_sys_perf_event_open
= 241,
620 aarch64_sys_accept4
= 242,
621 aarch64_sys_recvmmsg
= 243,
622 aarch64_sys_wait4
= 260,
623 aarch64_sys_prlimit64
= 261,
624 aarch64_sys_fanotify_init
= 262,
625 aarch64_sys_fanotify_mark
= 263,
626 aarch64_sys_name_to_handle_at
= 264,
627 aarch64_sys_open_by_handle_at
= 265,
628 aarch64_sys_clock_adjtime
= 266,
629 aarch64_sys_syncfs
= 267,
630 aarch64_sys_setns
= 268,
631 aarch64_sys_sendmmsg
= 269,
632 aarch64_sys_process_vm_readv
= 270,
633 aarch64_sys_process_vm_writev
= 271,
634 aarch64_sys_kcmp
= 272,
635 aarch64_sys_finit_module
= 273,
636 aarch64_sys_sched_setattr
= 274,
637 aarch64_sys_sched_getattr
= 275,
640 /* aarch64_canonicalize_syscall maps syscall ids from the native AArch64
641 linux set of syscall ids into a canonical set of syscall ids used by
644 static enum gdb_syscall
645 aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number
)
647 #define SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
648 return gdb_sys_##SYSCALL
650 #define UNSUPPORTED_SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
651 return gdb_sys_no_syscall
653 switch (syscall_number
)
655 SYSCALL_MAP (io_setup
);
656 SYSCALL_MAP (io_destroy
);
657 SYSCALL_MAP (io_submit
);
658 SYSCALL_MAP (io_cancel
);
659 SYSCALL_MAP (io_getevents
);
661 SYSCALL_MAP (setxattr
);
662 SYSCALL_MAP (lsetxattr
);
663 SYSCALL_MAP (fsetxattr
);
664 SYSCALL_MAP (getxattr
);
665 SYSCALL_MAP (lgetxattr
);
666 SYSCALL_MAP (fgetxattr
);
667 SYSCALL_MAP (listxattr
);
668 SYSCALL_MAP (llistxattr
);
669 SYSCALL_MAP (flistxattr
);
670 SYSCALL_MAP (removexattr
);
671 SYSCALL_MAP (lremovexattr
);
672 SYSCALL_MAP (fremovexattr
);
673 SYSCALL_MAP (getcwd
);
674 SYSCALL_MAP (lookup_dcookie
);
675 SYSCALL_MAP (eventfd2
);
676 SYSCALL_MAP (epoll_create1
);
677 SYSCALL_MAP (epoll_ctl
);
678 SYSCALL_MAP (epoll_pwait
);
682 SYSCALL_MAP (inotify_init1
);
683 SYSCALL_MAP (inotify_add_watch
);
684 SYSCALL_MAP (inotify_rm_watch
);
686 SYSCALL_MAP (ioprio_set
);
687 SYSCALL_MAP (ioprio_get
);
689 SYSCALL_MAP (mknodat
);
690 SYSCALL_MAP (mkdirat
);
691 SYSCALL_MAP (unlinkat
);
692 SYSCALL_MAP (symlinkat
);
693 SYSCALL_MAP (linkat
);
694 SYSCALL_MAP (renameat
);
695 UNSUPPORTED_SYSCALL_MAP (umount2
);
697 SYSCALL_MAP (pivot_root
);
698 SYSCALL_MAP (nfsservctl
);
699 SYSCALL_MAP (statfs
);
700 SYSCALL_MAP (truncate
);
701 SYSCALL_MAP (ftruncate
);
702 SYSCALL_MAP (fallocate
);
703 SYSCALL_MAP (faccessat
);
704 SYSCALL_MAP (fchdir
);
705 SYSCALL_MAP (chroot
);
706 SYSCALL_MAP (fchmod
);
707 SYSCALL_MAP (fchmodat
);
708 SYSCALL_MAP (fchownat
);
709 SYSCALL_MAP (fchown
);
710 SYSCALL_MAP (openat
);
712 SYSCALL_MAP (vhangup
);
714 SYSCALL_MAP (quotactl
);
715 SYSCALL_MAP (getdents64
);
720 SYSCALL_MAP (writev
);
721 SYSCALL_MAP (pread64
);
722 SYSCALL_MAP (pwrite64
);
723 UNSUPPORTED_SYSCALL_MAP (preadv
);
724 UNSUPPORTED_SYSCALL_MAP (pwritev
);
725 SYSCALL_MAP (sendfile
);
726 SYSCALL_MAP (pselect6
);
728 UNSUPPORTED_SYSCALL_MAP (signalfd4
);
729 SYSCALL_MAP (vmsplice
);
730 SYSCALL_MAP (splice
);
732 SYSCALL_MAP (readlinkat
);
733 SYSCALL_MAP (newfstatat
);
738 SYSCALL_MAP (fdatasync
);
739 SYSCALL_MAP (sync_file_range
);
740 UNSUPPORTED_SYSCALL_MAP (timerfd_create
);
741 UNSUPPORTED_SYSCALL_MAP (timerfd_settime
);
742 UNSUPPORTED_SYSCALL_MAP (timerfd_gettime
);
743 UNSUPPORTED_SYSCALL_MAP (utimensat
);
745 SYSCALL_MAP (capget
);
746 SYSCALL_MAP (capset
);
747 SYSCALL_MAP (personality
);
749 SYSCALL_MAP (exit_group
);
750 SYSCALL_MAP (waitid
);
751 SYSCALL_MAP (set_tid_address
);
752 SYSCALL_MAP (unshare
);
754 SYSCALL_MAP (set_robust_list
);
755 SYSCALL_MAP (get_robust_list
);
756 SYSCALL_MAP (nanosleep
);
758 SYSCALL_MAP (getitimer
);
759 SYSCALL_MAP (setitimer
);
760 SYSCALL_MAP (kexec_load
);
761 SYSCALL_MAP (init_module
);
762 SYSCALL_MAP (delete_module
);
763 SYSCALL_MAP (timer_create
);
764 SYSCALL_MAP (timer_settime
);
765 SYSCALL_MAP (timer_gettime
);
766 SYSCALL_MAP (timer_getoverrun
);
767 SYSCALL_MAP (timer_delete
);
768 SYSCALL_MAP (clock_settime
);
769 SYSCALL_MAP (clock_gettime
);
770 SYSCALL_MAP (clock_getres
);
771 SYSCALL_MAP (clock_nanosleep
);
772 SYSCALL_MAP (syslog
);
773 SYSCALL_MAP (ptrace
);
774 SYSCALL_MAP (sched_setparam
);
775 SYSCALL_MAP (sched_setscheduler
);
776 SYSCALL_MAP (sched_getscheduler
);
777 SYSCALL_MAP (sched_getparam
);
778 SYSCALL_MAP (sched_setaffinity
);
779 SYSCALL_MAP (sched_getaffinity
);
780 SYSCALL_MAP (sched_yield
);
781 SYSCALL_MAP (sched_get_priority_max
);
782 SYSCALL_MAP (sched_get_priority_min
);
783 SYSCALL_MAP (sched_rr_get_interval
);
786 SYSCALL_MAP (tgkill
);
787 SYSCALL_MAP (sigaltstack
);
788 SYSCALL_MAP (rt_sigsuspend
);
789 SYSCALL_MAP (rt_sigaction
);
790 SYSCALL_MAP (rt_sigprocmask
);
791 SYSCALL_MAP (rt_sigpending
);
792 SYSCALL_MAP (rt_sigtimedwait
);
793 SYSCALL_MAP (rt_sigqueueinfo
);
794 SYSCALL_MAP (rt_sigreturn
);
795 SYSCALL_MAP (setpriority
);
796 SYSCALL_MAP (getpriority
);
797 SYSCALL_MAP (reboot
);
798 SYSCALL_MAP (setregid
);
799 SYSCALL_MAP (setgid
);
800 SYSCALL_MAP (setreuid
);
801 SYSCALL_MAP (setuid
);
802 SYSCALL_MAP (setresuid
);
803 SYSCALL_MAP (getresuid
);
804 SYSCALL_MAP (setresgid
);
805 SYSCALL_MAP (getresgid
);
806 SYSCALL_MAP (setfsuid
);
807 SYSCALL_MAP (setfsgid
);
809 SYSCALL_MAP (setpgid
);
810 SYSCALL_MAP (getpgid
);
811 SYSCALL_MAP (getsid
);
812 SYSCALL_MAP (setsid
);
813 SYSCALL_MAP (getgroups
);
814 SYSCALL_MAP (setgroups
);
816 SYSCALL_MAP (sethostname
);
817 SYSCALL_MAP (setdomainname
);
818 SYSCALL_MAP (getrlimit
);
819 SYSCALL_MAP (setrlimit
);
820 SYSCALL_MAP (getrusage
);
823 SYSCALL_MAP (getcpu
);
824 SYSCALL_MAP (gettimeofday
);
825 SYSCALL_MAP (settimeofday
);
826 SYSCALL_MAP (adjtimex
);
827 SYSCALL_MAP (getpid
);
828 SYSCALL_MAP (getppid
);
829 SYSCALL_MAP (getuid
);
830 SYSCALL_MAP (geteuid
);
831 SYSCALL_MAP (getgid
);
832 SYSCALL_MAP (getegid
);
833 SYSCALL_MAP (gettid
);
834 SYSCALL_MAP (sysinfo
);
835 SYSCALL_MAP (mq_open
);
836 SYSCALL_MAP (mq_unlink
);
837 SYSCALL_MAP (mq_timedsend
);
838 SYSCALL_MAP (mq_timedreceive
);
839 SYSCALL_MAP (mq_notify
);
840 SYSCALL_MAP (mq_getsetattr
);
841 SYSCALL_MAP (msgget
);
842 SYSCALL_MAP (msgctl
);
843 SYSCALL_MAP (msgrcv
);
844 SYSCALL_MAP (msgsnd
);
845 SYSCALL_MAP (semget
);
846 SYSCALL_MAP (semctl
);
847 SYSCALL_MAP (semtimedop
);
849 SYSCALL_MAP (shmget
);
850 SYSCALL_MAP (shmctl
);
853 SYSCALL_MAP (socket
);
854 SYSCALL_MAP (socketpair
);
856 SYSCALL_MAP (listen
);
857 SYSCALL_MAP (accept
);
858 SYSCALL_MAP (connect
);
859 SYSCALL_MAP (getsockname
);
860 SYSCALL_MAP (getpeername
);
861 SYSCALL_MAP (sendto
);
862 SYSCALL_MAP (recvfrom
);
863 SYSCALL_MAP (setsockopt
);
864 SYSCALL_MAP (getsockopt
);
865 SYSCALL_MAP (shutdown
);
866 SYSCALL_MAP (sendmsg
);
867 SYSCALL_MAP (recvmsg
);
868 SYSCALL_MAP (readahead
);
870 SYSCALL_MAP (munmap
);
871 SYSCALL_MAP (mremap
);
872 SYSCALL_MAP (add_key
);
873 SYSCALL_MAP (request_key
);
874 SYSCALL_MAP (keyctl
);
876 SYSCALL_MAP (execve
);
878 case aarch64_sys_mmap
:
879 return gdb_sys_mmap2
;
881 SYSCALL_MAP (fadvise64
);
882 SYSCALL_MAP (swapon
);
883 SYSCALL_MAP (swapoff
);
884 SYSCALL_MAP (mprotect
);
887 SYSCALL_MAP (munlock
);
888 SYSCALL_MAP (mlockall
);
889 SYSCALL_MAP (munlockall
);
890 SYSCALL_MAP (mincore
);
891 SYSCALL_MAP (madvise
);
892 SYSCALL_MAP (remap_file_pages
);
894 SYSCALL_MAP (get_mempolicy
);
895 SYSCALL_MAP (set_mempolicy
);
896 SYSCALL_MAP (migrate_pages
);
897 SYSCALL_MAP (move_pages
);
898 UNSUPPORTED_SYSCALL_MAP (rt_tgsigqueueinfo
);
899 UNSUPPORTED_SYSCALL_MAP (perf_event_open
);
900 UNSUPPORTED_SYSCALL_MAP (accept4
);
901 UNSUPPORTED_SYSCALL_MAP (recvmmsg
);
905 UNSUPPORTED_SYSCALL_MAP (prlimit64
);
906 UNSUPPORTED_SYSCALL_MAP (fanotify_init
);
907 UNSUPPORTED_SYSCALL_MAP (fanotify_mark
);
908 UNSUPPORTED_SYSCALL_MAP (name_to_handle_at
);
909 UNSUPPORTED_SYSCALL_MAP (open_by_handle_at
);
910 UNSUPPORTED_SYSCALL_MAP (clock_adjtime
);
911 UNSUPPORTED_SYSCALL_MAP (syncfs
);
912 UNSUPPORTED_SYSCALL_MAP (setns
);
913 UNSUPPORTED_SYSCALL_MAP (sendmmsg
);
914 UNSUPPORTED_SYSCALL_MAP (process_vm_readv
);
915 UNSUPPORTED_SYSCALL_MAP (process_vm_writev
);
916 UNSUPPORTED_SYSCALL_MAP (kcmp
);
917 UNSUPPORTED_SYSCALL_MAP (finit_module
);
918 UNSUPPORTED_SYSCALL_MAP (sched_setattr
);
919 UNSUPPORTED_SYSCALL_MAP (sched_getattr
);
921 return gdb_sys_no_syscall
;
925 /* Record all registers but PC register for process-record. */
928 aarch64_all_but_pc_registers_record (struct regcache
*regcache
)
932 for (i
= AARCH64_X0_REGNUM
; i
< AARCH64_PC_REGNUM
; i
++)
933 if (record_full_arch_list_add_reg (regcache
, i
))
936 if (record_full_arch_list_add_reg (regcache
, AARCH64_CPSR_REGNUM
))
942 /* Handler for aarch64 system call instruction recording. */
945 aarch64_linux_syscall_record (struct regcache
*regcache
,
946 unsigned long svc_number
)
949 enum gdb_syscall syscall_gdb
;
952 aarch64_canonicalize_syscall ((enum aarch64_syscall
) svc_number
);
956 printf_unfiltered (_("Process record and replay target doesn't "
957 "support syscall number %s\n"),
958 plongest (svc_number
));
962 if (syscall_gdb
== gdb_sys_sigreturn
963 || syscall_gdb
== gdb_sys_rt_sigreturn
)
965 if (aarch64_all_but_pc_registers_record (regcache
))
970 ret
= record_linux_system_call (syscall_gdb
, regcache
,
971 &aarch64_linux_record_tdep
);
975 /* Record the return value of the system call. */
976 if (record_full_arch_list_add_reg (regcache
, AARCH64_X0_REGNUM
))
979 if (record_full_arch_list_add_reg (regcache
, AARCH64_LR_REGNUM
))
982 if (record_full_arch_list_add_reg (regcache
, AARCH64_CPSR_REGNUM
))
989 aarch64_linux_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
991 static const char *const stap_integer_prefixes
[] = { "#", "", NULL
};
992 static const char *const stap_register_prefixes
[] = { "", NULL
};
993 static const char *const stap_register_indirection_prefixes
[] = { "[",
995 static const char *const stap_register_indirection_suffixes
[] = { "]",
997 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
999 tdep
->lowest_pc
= 0x8000;
1001 linux_init_abi (info
, gdbarch
);
1003 set_solib_svr4_fetch_link_map_offsets (gdbarch
,
1004 svr4_lp64_fetch_link_map_offsets
);
1006 /* Enable TLS support. */
1007 set_gdbarch_fetch_tls_load_module_address (gdbarch
,
1008 svr4_fetch_objfile_link_map
);
1010 /* Shared library handling. */
1011 set_gdbarch_skip_trampoline_code (gdbarch
, find_solib_trampoline_target
);
1012 set_gdbarch_skip_solib_resolver (gdbarch
, glibc_skip_solib_resolver
);
1014 tramp_frame_prepend_unwinder (gdbarch
, &aarch64_linux_rt_sigframe
);
1016 /* Enable longjmp. */
1019 set_gdbarch_iterate_over_regset_sections
1020 (gdbarch
, aarch64_linux_iterate_over_regset_sections
);
1022 /* SystemTap related. */
1023 set_gdbarch_stap_integer_prefixes (gdbarch
, stap_integer_prefixes
);
1024 set_gdbarch_stap_register_prefixes (gdbarch
, stap_register_prefixes
);
1025 set_gdbarch_stap_register_indirection_prefixes (gdbarch
,
1026 stap_register_indirection_prefixes
);
1027 set_gdbarch_stap_register_indirection_suffixes (gdbarch
,
1028 stap_register_indirection_suffixes
);
1029 set_gdbarch_stap_is_single_operand (gdbarch
, aarch64_stap_is_single_operand
);
1030 set_gdbarch_stap_parse_special_token (gdbarch
,
1031 aarch64_stap_parse_special_token
);
1033 /* Reversible debugging, process record. */
1034 set_gdbarch_process_record (gdbarch
, aarch64_process_record
);
1035 /* Syscall record. */
1036 tdep
->aarch64_syscall_record
= aarch64_linux_syscall_record
;
1038 /* Initialize the aarch64_linux_record_tdep. */
1039 /* These values are the size of the type that will be used in a system
1040 call. They are obtained from Linux Kernel source. */
1041 aarch64_linux_record_tdep
.size_pointer
1042 = gdbarch_ptr_bit (gdbarch
) / TARGET_CHAR_BIT
;
1043 aarch64_linux_record_tdep
.size__old_kernel_stat
= 32;
1044 aarch64_linux_record_tdep
.size_tms
= 32;
1045 aarch64_linux_record_tdep
.size_loff_t
= 8;
1046 aarch64_linux_record_tdep
.size_flock
= 32;
1047 aarch64_linux_record_tdep
.size_oldold_utsname
= 45;
1048 aarch64_linux_record_tdep
.size_ustat
= 32;
1049 aarch64_linux_record_tdep
.size_old_sigaction
= 32;
1050 aarch64_linux_record_tdep
.size_old_sigset_t
= 8;
1051 aarch64_linux_record_tdep
.size_rlimit
= 16;
1052 aarch64_linux_record_tdep
.size_rusage
= 144;
1053 aarch64_linux_record_tdep
.size_timeval
= 16;
1054 aarch64_linux_record_tdep
.size_timezone
= 8;
1055 aarch64_linux_record_tdep
.size_old_gid_t
= 2;
1056 aarch64_linux_record_tdep
.size_old_uid_t
= 2;
1057 aarch64_linux_record_tdep
.size_fd_set
= 128;
1058 aarch64_linux_record_tdep
.size_old_dirent
= 280;
1059 aarch64_linux_record_tdep
.size_statfs
= 120;
1060 aarch64_linux_record_tdep
.size_statfs64
= 120;
1061 aarch64_linux_record_tdep
.size_sockaddr
= 16;
1062 aarch64_linux_record_tdep
.size_int
1063 = gdbarch_int_bit (gdbarch
) / TARGET_CHAR_BIT
;
1064 aarch64_linux_record_tdep
.size_long
1065 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1066 aarch64_linux_record_tdep
.size_ulong
1067 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1068 aarch64_linux_record_tdep
.size_msghdr
= 56;
1069 aarch64_linux_record_tdep
.size_itimerval
= 32;
1070 aarch64_linux_record_tdep
.size_stat
= 144;
1071 aarch64_linux_record_tdep
.size_old_utsname
= 325;
1072 aarch64_linux_record_tdep
.size_sysinfo
= 112;
1073 aarch64_linux_record_tdep
.size_msqid_ds
= 120;
1074 aarch64_linux_record_tdep
.size_shmid_ds
= 112;
1075 aarch64_linux_record_tdep
.size_new_utsname
= 390;
1076 aarch64_linux_record_tdep
.size_timex
= 208;
1077 aarch64_linux_record_tdep
.size_mem_dqinfo
= 24;
1078 aarch64_linux_record_tdep
.size_if_dqblk
= 72;
1079 aarch64_linux_record_tdep
.size_fs_quota_stat
= 80;
1080 aarch64_linux_record_tdep
.size_timespec
= 16;
1081 aarch64_linux_record_tdep
.size_pollfd
= 8;
1082 aarch64_linux_record_tdep
.size_NFS_FHSIZE
= 32;
1083 aarch64_linux_record_tdep
.size_knfsd_fh
= 132;
1084 aarch64_linux_record_tdep
.size_TASK_COMM_LEN
= 16;
1085 aarch64_linux_record_tdep
.size_sigaction
= 32;
1086 aarch64_linux_record_tdep
.size_sigset_t
= 8;
1087 aarch64_linux_record_tdep
.size_siginfo_t
= 128;
1088 aarch64_linux_record_tdep
.size_cap_user_data_t
= 8;
1089 aarch64_linux_record_tdep
.size_stack_t
= 24;
1090 aarch64_linux_record_tdep
.size_off_t
= 8;
1091 aarch64_linux_record_tdep
.size_stat64
= 144;
1092 aarch64_linux_record_tdep
.size_gid_t
= 4;
1093 aarch64_linux_record_tdep
.size_uid_t
= 4;
1094 aarch64_linux_record_tdep
.size_PAGE_SIZE
= 4096;
1095 aarch64_linux_record_tdep
.size_flock64
= 32;
1096 aarch64_linux_record_tdep
.size_user_desc
= 16;
1097 aarch64_linux_record_tdep
.size_io_event
= 32;
1098 aarch64_linux_record_tdep
.size_iocb
= 64;
1099 aarch64_linux_record_tdep
.size_epoll_event
= 12;
1100 aarch64_linux_record_tdep
.size_itimerspec
= 32;
1101 aarch64_linux_record_tdep
.size_mq_attr
= 64;
1102 aarch64_linux_record_tdep
.size_termios
= 36;
1103 aarch64_linux_record_tdep
.size_termios2
= 44;
1104 aarch64_linux_record_tdep
.size_pid_t
= 4;
1105 aarch64_linux_record_tdep
.size_winsize
= 8;
1106 aarch64_linux_record_tdep
.size_serial_struct
= 72;
1107 aarch64_linux_record_tdep
.size_serial_icounter_struct
= 80;
1108 aarch64_linux_record_tdep
.size_hayes_esp_config
= 12;
1109 aarch64_linux_record_tdep
.size_size_t
= 8;
1110 aarch64_linux_record_tdep
.size_iovec
= 16;
1111 aarch64_linux_record_tdep
.size_time_t
= 8;
1113 /* These values are the second argument of system call "sys_ioctl".
1114 They are obtained from Linux Kernel source. */
1115 aarch64_linux_record_tdep
.ioctl_TCGETS
= 0x5401;
1116 aarch64_linux_record_tdep
.ioctl_TCSETS
= 0x5402;
1117 aarch64_linux_record_tdep
.ioctl_TCSETSW
= 0x5403;
1118 aarch64_linux_record_tdep
.ioctl_TCSETSF
= 0x5404;
1119 aarch64_linux_record_tdep
.ioctl_TCGETA
= 0x5405;
1120 aarch64_linux_record_tdep
.ioctl_TCSETA
= 0x5406;
1121 aarch64_linux_record_tdep
.ioctl_TCSETAW
= 0x5407;
1122 aarch64_linux_record_tdep
.ioctl_TCSETAF
= 0x5408;
1123 aarch64_linux_record_tdep
.ioctl_TCSBRK
= 0x5409;
1124 aarch64_linux_record_tdep
.ioctl_TCXONC
= 0x540a;
1125 aarch64_linux_record_tdep
.ioctl_TCFLSH
= 0x540b;
1126 aarch64_linux_record_tdep
.ioctl_TIOCEXCL
= 0x540c;
1127 aarch64_linux_record_tdep
.ioctl_TIOCNXCL
= 0x540d;
1128 aarch64_linux_record_tdep
.ioctl_TIOCSCTTY
= 0x540e;
1129 aarch64_linux_record_tdep
.ioctl_TIOCGPGRP
= 0x540f;
1130 aarch64_linux_record_tdep
.ioctl_TIOCSPGRP
= 0x5410;
1131 aarch64_linux_record_tdep
.ioctl_TIOCOUTQ
= 0x5411;
1132 aarch64_linux_record_tdep
.ioctl_TIOCSTI
= 0x5412;
1133 aarch64_linux_record_tdep
.ioctl_TIOCGWINSZ
= 0x5413;
1134 aarch64_linux_record_tdep
.ioctl_TIOCSWINSZ
= 0x5414;
1135 aarch64_linux_record_tdep
.ioctl_TIOCMGET
= 0x5415;
1136 aarch64_linux_record_tdep
.ioctl_TIOCMBIS
= 0x5416;
1137 aarch64_linux_record_tdep
.ioctl_TIOCMBIC
= 0x5417;
1138 aarch64_linux_record_tdep
.ioctl_TIOCMSET
= 0x5418;
1139 aarch64_linux_record_tdep
.ioctl_TIOCGSOFTCAR
= 0x5419;
1140 aarch64_linux_record_tdep
.ioctl_TIOCSSOFTCAR
= 0x541a;
1141 aarch64_linux_record_tdep
.ioctl_FIONREAD
= 0x541b;
1142 aarch64_linux_record_tdep
.ioctl_TIOCINQ
= 0x541b;
1143 aarch64_linux_record_tdep
.ioctl_TIOCLINUX
= 0x541c;
1144 aarch64_linux_record_tdep
.ioctl_TIOCCONS
= 0x541d;
1145 aarch64_linux_record_tdep
.ioctl_TIOCGSERIAL
= 0x541e;
1146 aarch64_linux_record_tdep
.ioctl_TIOCSSERIAL
= 0x541f;
1147 aarch64_linux_record_tdep
.ioctl_TIOCPKT
= 0x5420;
1148 aarch64_linux_record_tdep
.ioctl_FIONBIO
= 0x5421;
1149 aarch64_linux_record_tdep
.ioctl_TIOCNOTTY
= 0x5422;
1150 aarch64_linux_record_tdep
.ioctl_TIOCSETD
= 0x5423;
1151 aarch64_linux_record_tdep
.ioctl_TIOCGETD
= 0x5424;
1152 aarch64_linux_record_tdep
.ioctl_TCSBRKP
= 0x5425;
1153 aarch64_linux_record_tdep
.ioctl_TIOCTTYGSTRUCT
= 0x5426;
1154 aarch64_linux_record_tdep
.ioctl_TIOCSBRK
= 0x5427;
1155 aarch64_linux_record_tdep
.ioctl_TIOCCBRK
= 0x5428;
1156 aarch64_linux_record_tdep
.ioctl_TIOCGSID
= 0x5429;
1157 aarch64_linux_record_tdep
.ioctl_TCGETS2
= 0x802c542a;
1158 aarch64_linux_record_tdep
.ioctl_TCSETS2
= 0x402c542b;
1159 aarch64_linux_record_tdep
.ioctl_TCSETSW2
= 0x402c542c;
1160 aarch64_linux_record_tdep
.ioctl_TCSETSF2
= 0x402c542d;
1161 aarch64_linux_record_tdep
.ioctl_TIOCGPTN
= 0x80045430;
1162 aarch64_linux_record_tdep
.ioctl_TIOCSPTLCK
= 0x40045431;
1163 aarch64_linux_record_tdep
.ioctl_FIONCLEX
= 0x5450;
1164 aarch64_linux_record_tdep
.ioctl_FIOCLEX
= 0x5451;
1165 aarch64_linux_record_tdep
.ioctl_FIOASYNC
= 0x5452;
1166 aarch64_linux_record_tdep
.ioctl_TIOCSERCONFIG
= 0x5453;
1167 aarch64_linux_record_tdep
.ioctl_TIOCSERGWILD
= 0x5454;
1168 aarch64_linux_record_tdep
.ioctl_TIOCSERSWILD
= 0x5455;
1169 aarch64_linux_record_tdep
.ioctl_TIOCGLCKTRMIOS
= 0x5456;
1170 aarch64_linux_record_tdep
.ioctl_TIOCSLCKTRMIOS
= 0x5457;
1171 aarch64_linux_record_tdep
.ioctl_TIOCSERGSTRUCT
= 0x5458;
1172 aarch64_linux_record_tdep
.ioctl_TIOCSERGETLSR
= 0x5459;
1173 aarch64_linux_record_tdep
.ioctl_TIOCSERGETMULTI
= 0x545a;
1174 aarch64_linux_record_tdep
.ioctl_TIOCSERSETMULTI
= 0x545b;
1175 aarch64_linux_record_tdep
.ioctl_TIOCMIWAIT
= 0x545c;
1176 aarch64_linux_record_tdep
.ioctl_TIOCGICOUNT
= 0x545d;
1177 aarch64_linux_record_tdep
.ioctl_TIOCGHAYESESP
= 0x545e;
1178 aarch64_linux_record_tdep
.ioctl_TIOCSHAYESESP
= 0x545f;
1179 aarch64_linux_record_tdep
.ioctl_FIOQSIZE
= 0x5460;
1181 /* These values are the second argument of system call "sys_fcntl"
1182 and "sys_fcntl64". They are obtained from Linux Kernel source. */
1183 aarch64_linux_record_tdep
.fcntl_F_GETLK
= 5;
1184 aarch64_linux_record_tdep
.fcntl_F_GETLK64
= 12;
1185 aarch64_linux_record_tdep
.fcntl_F_SETLK64
= 13;
1186 aarch64_linux_record_tdep
.fcntl_F_SETLKW64
= 14;
1188 /* The AArch64 syscall calling convention: reg x0-x6 for arguments,
1189 reg x8 for syscall number and return value in reg x0. */
1190 aarch64_linux_record_tdep
.arg1
= AARCH64_X0_REGNUM
+ 0;
1191 aarch64_linux_record_tdep
.arg2
= AARCH64_X0_REGNUM
+ 1;
1192 aarch64_linux_record_tdep
.arg3
= AARCH64_X0_REGNUM
+ 2;
1193 aarch64_linux_record_tdep
.arg4
= AARCH64_X0_REGNUM
+ 3;
1194 aarch64_linux_record_tdep
.arg5
= AARCH64_X0_REGNUM
+ 4;
1195 aarch64_linux_record_tdep
.arg6
= AARCH64_X0_REGNUM
+ 5;
1196 aarch64_linux_record_tdep
.arg7
= AARCH64_X0_REGNUM
+ 6;
1198 /* `catch syscall' */
1199 set_xml_syscall_file_name (gdbarch
, "syscalls/aarch64-linux.xml");
1200 set_gdbarch_get_syscall_number (gdbarch
, aarch64_linux_get_syscall_number
);
1202 /* Displaced stepping. */
1203 set_gdbarch_max_insn_length (gdbarch
, 4 * DISPLACED_MODIFIED_INSNS
);
1204 set_gdbarch_displaced_step_copy_insn (gdbarch
,
1205 aarch64_displaced_step_copy_insn
);
1206 set_gdbarch_displaced_step_fixup (gdbarch
, aarch64_displaced_step_fixup
);
1207 set_gdbarch_displaced_step_free_closure (gdbarch
,
1208 simple_displaced_step_free_closure
);
1209 set_gdbarch_displaced_step_location (gdbarch
, linux_displaced_step_location
);
1210 set_gdbarch_displaced_step_hw_singlestep (gdbarch
,
1211 aarch64_displaced_step_hw_singlestep
);
1214 /* Provide a prototype to silence -Wmissing-prototypes. */
1215 extern initialize_file_ftype _initialize_aarch64_linux_tdep
;
1218 _initialize_aarch64_linux_tdep (void)
1220 gdbarch_register_osabi (bfd_arch_aarch64
, 0, GDB_OSABI_LINUX
,
1221 aarch64_linux_init_abi
);