1 /* Target-dependent code for GNU/Linux AArch64.
3 Copyright (C) 2009-2018 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 #include "elf/common.h"
51 /* Signal frame handling.
66 | | | SIGTRAMP_FRAME (struct rt_sigframe)
68 +--| saved sp |--> interrupted_sp
69 | | saved pc |--> interrupted_pc
72 | | saved lr |--> default_restorer (movz x8, NR_sys_rt_sigreturn; svc 0)
78 On signal delivery, the kernel will create a signal handler stack
79 frame and setup the return address in LR to point at restorer stub.
80 The signal stack frame is defined by:
93 The ucontext has the following form:
96 unsigned long uc_flags;
97 struct ucontext *uc_link;
100 struct sigcontext uc_mcontext;
103 typedef struct sigaltstack
112 unsigned long fault_address;
113 unsigned long regs[31];
114 unsigned long sp; / * 31 * /
115 unsigned long pc; / * 32 * /
116 unsigned long pstate; / * 33 * /
117 __u8 __reserved[4096]
120 The restorer stub will always have the form:
122 d28015a8 movz x8, #0xad
125 This is a system call sys_rt_sigreturn.
127 We detect signal frames by snooping the return code for the restorer
128 instruction sequence.
130 The handler then needs to recover the saved register set from
131 ucontext.uc_mcontext. */
133 /* These magic numbers need to reflect the layout of the kernel
134 defined struct rt_sigframe and ucontext. */
135 #define AARCH64_SIGCONTEXT_REG_SIZE 8
136 #define AARCH64_RT_SIGFRAME_UCONTEXT_OFFSET 128
137 #define AARCH64_UCONTEXT_SIGCONTEXT_OFFSET 176
138 #define AARCH64_SIGCONTEXT_XO_OFFSET 8
140 /* Implement the "init" method of struct tramp_frame. */
143 aarch64_linux_sigframe_init (const struct tramp_frame
*self
,
144 struct frame_info
*this_frame
,
145 struct trad_frame_cache
*this_cache
,
148 CORE_ADDR sp
= get_frame_register_unsigned (this_frame
, AARCH64_SP_REGNUM
);
149 CORE_ADDR sigcontext_addr
=
151 + AARCH64_RT_SIGFRAME_UCONTEXT_OFFSET
152 + AARCH64_UCONTEXT_SIGCONTEXT_OFFSET
;
155 for (i
= 0; i
< 31; i
++)
157 trad_frame_set_reg_addr (this_cache
,
158 AARCH64_X0_REGNUM
+ i
,
159 sigcontext_addr
+ AARCH64_SIGCONTEXT_XO_OFFSET
160 + i
* AARCH64_SIGCONTEXT_REG_SIZE
);
162 trad_frame_set_reg_addr (this_cache
, AARCH64_SP_REGNUM
,
163 sigcontext_addr
+ AARCH64_SIGCONTEXT_XO_OFFSET
164 + 31 * AARCH64_SIGCONTEXT_REG_SIZE
);
165 trad_frame_set_reg_addr (this_cache
, AARCH64_PC_REGNUM
,
166 sigcontext_addr
+ AARCH64_SIGCONTEXT_XO_OFFSET
167 + 32 * AARCH64_SIGCONTEXT_REG_SIZE
);
169 trad_frame_set_id (this_cache
, frame_id_build (sp
, func
));
172 static const struct tramp_frame aarch64_linux_rt_sigframe
=
177 /* movz x8, 0x8b (S=1,o=10,h=0,i=0x8b,r=8)
178 Soo1 0010 1hhi iiii iiii iiii iiir rrrr */
181 /* svc 0x0 (o=0, l=1)
182 1101 0100 oooi iiii iiii iiii iii0 00ll */
184 {TRAMP_SENTINEL_INSN
, -1}
186 aarch64_linux_sigframe_init
191 static const struct regcache_map_entry aarch64_linux_gregmap
[] =
193 { 31, AARCH64_X0_REGNUM
, 8 }, /* x0 ... x30 */
194 { 1, AARCH64_SP_REGNUM
, 8 },
195 { 1, AARCH64_PC_REGNUM
, 8 },
196 { 1, AARCH64_CPSR_REGNUM
, 8 },
200 static const struct regcache_map_entry aarch64_linux_fpregmap
[] =
202 { 32, AARCH64_V0_REGNUM
, 16 }, /* v0 ... v31 */
203 { 1, AARCH64_FPSR_REGNUM
, 4 },
204 { 1, AARCH64_FPCR_REGNUM
, 4 },
208 /* Register set definitions. */
210 const struct regset aarch64_linux_gregset
=
212 aarch64_linux_gregmap
,
213 regcache_supply_regset
, regcache_collect_regset
216 const struct regset aarch64_linux_fpregset
=
218 aarch64_linux_fpregmap
,
219 regcache_supply_regset
, regcache_collect_regset
222 /* The fields in an SVE header at the start of a SVE regset. */
224 #define SVE_HEADER_SIZE_LENGTH 4
225 #define SVE_HEADER_MAX_SIZE_LENGTH 4
226 #define SVE_HEADER_VL_LENGTH 2
227 #define SVE_HEADER_MAX_VL_LENGTH 2
228 #define SVE_HEADER_FLAGS_LENGTH 2
229 #define SVE_HEADER_RESERVED_LENGTH 2
231 #define SVE_HEADER_SIZE_OFFSET 0
232 #define SVE_HEADER_MAX_SIZE_OFFSET \
233 (SVE_HEADER_SIZE_OFFSET + SVE_HEADER_SIZE_LENGTH)
234 #define SVE_HEADER_VL_OFFSET \
235 (SVE_HEADER_MAX_SIZE_OFFSET + SVE_HEADER_MAX_SIZE_LENGTH)
236 #define SVE_HEADER_MAX_VL_OFFSET \
237 (SVE_HEADER_VL_OFFSET + SVE_HEADER_VL_LENGTH)
238 #define SVE_HEADER_FLAGS_OFFSET \
239 (SVE_HEADER_MAX_VL_OFFSET + SVE_HEADER_MAX_VL_LENGTH)
240 #define SVE_HEADER_RESERVED_OFFSET \
241 (SVE_HEADER_FLAGS_OFFSET + SVE_HEADER_FLAGS_LENGTH)
242 #define SVE_HEADER_SIZE \
243 (SVE_HEADER_RESERVED_OFFSET + SVE_HEADER_RESERVED_LENGTH)
245 /* Get VQ value from SVE section in the core dump. */
248 aarch64_linux_core_read_vq (struct gdbarch
*gdbarch
, bfd
*abfd
)
250 gdb_byte header
[SVE_HEADER_SIZE
];
251 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
252 asection
*sve_section
= bfd_get_section_by_name (abfd
, ".reg-aarch-sve");
254 if (sve_section
== nullptr)
260 size_t size
= bfd_section_size (abfd
, sve_section
);
262 /* Check extended state size. */
263 if (size
< SVE_HEADER_SIZE
)
265 warning (_("'.reg-aarch-sve' section in core file too small."));
269 if (!bfd_get_section_contents (abfd
, sve_section
, header
, 0, SVE_HEADER_SIZE
))
271 warning (_("Couldn't read sve header from "
272 "'.reg-aarch-sve' section in core file."));
276 uint64_t vl
= extract_unsigned_integer (header
+ SVE_HEADER_VL_OFFSET
,
277 SVE_HEADER_VL_LENGTH
, byte_order
);
278 uint64_t vq
= sve_vq_from_vl (vl
);
280 if (vq
> AARCH64_MAX_SVE_VQ
)
282 warning (_("SVE Vector length in core file not supported by this version"
283 " of GDB. (VQ=%ld)"), vq
);
288 warning (_("SVE Vector length in core file is invalid. (VQ=%ld"), vq
);
295 /* Implement the "regset_from_core_section" gdbarch method. */
298 aarch64_linux_iterate_over_regset_sections (struct gdbarch
*gdbarch
,
299 iterate_over_regset_sections_cb
*cb
,
301 const struct regcache
*regcache
)
303 cb (".reg", AARCH64_LINUX_SIZEOF_GREGSET
, AARCH64_LINUX_SIZEOF_GREGSET
,
304 &aarch64_linux_gregset
, NULL
, cb_data
);
305 cb (".reg2", AARCH64_LINUX_SIZEOF_FPREGSET
, AARCH64_LINUX_SIZEOF_FPREGSET
,
306 &aarch64_linux_fpregset
, NULL
, cb_data
);
309 /* Implement the "core_read_description" gdbarch method. */
311 static const struct target_desc
*
312 aarch64_linux_core_read_description (struct gdbarch
*gdbarch
,
313 struct target_ops
*target
, bfd
*abfd
)
315 CORE_ADDR aarch64_hwcap
= 0;
317 if (target_auxv_search (target
, AT_HWCAP
, &aarch64_hwcap
) != 1)
320 return aarch64_read_description (aarch64_linux_core_read_vq (gdbarch
, abfd
));
323 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
327 aarch64_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
)
329 return (*s
== '#' || isdigit (*s
) /* Literal number. */
330 || *s
== '[' /* Register indirection. */
331 || isalpha (*s
)); /* Register value. */
334 /* This routine is used to parse a special token in AArch64's assembly.
336 The special tokens parsed by it are:
338 - Register displacement (e.g, [fp, #-8])
340 It returns one if the special token has been parsed successfully,
341 or zero if the current token is not considered special. */
344 aarch64_stap_parse_special_token (struct gdbarch
*gdbarch
,
345 struct stap_parse_info
*p
)
349 /* Temporary holder for lookahead. */
350 const char *tmp
= p
->arg
;
352 /* Used to save the register name. */
364 while (isalnum (*tmp
))
371 regname
= (char *) alloca (len
+ 2);
373 strncpy (regname
, start
, len
);
376 if (user_reg_map_name_to_regnum (gdbarch
, regname
, len
) == -1)
377 error (_("Invalid register name `%s' on expression `%s'."),
378 regname
, p
->saved_arg
);
381 tmp
= skip_spaces (tmp
);
382 /* Now we expect a number. It can begin with '#' or simply
392 else if (*tmp
== '+')
398 displacement
= strtol (tmp
, &endp
, 10);
401 /* Skipping last `]'. */
405 /* The displacement. */
406 write_exp_elt_opcode (&p
->pstate
, OP_LONG
);
407 write_exp_elt_type (&p
->pstate
, builtin_type (gdbarch
)->builtin_long
);
408 write_exp_elt_longcst (&p
->pstate
, displacement
);
409 write_exp_elt_opcode (&p
->pstate
, OP_LONG
);
411 write_exp_elt_opcode (&p
->pstate
, UNOP_NEG
);
413 /* The register name. */
414 write_exp_elt_opcode (&p
->pstate
, OP_REGISTER
);
417 write_exp_string (&p
->pstate
, str
);
418 write_exp_elt_opcode (&p
->pstate
, OP_REGISTER
);
420 write_exp_elt_opcode (&p
->pstate
, BINOP_ADD
);
422 /* Casting to the expected type. */
423 write_exp_elt_opcode (&p
->pstate
, UNOP_CAST
);
424 write_exp_elt_type (&p
->pstate
, lookup_pointer_type (p
->arg_type
));
425 write_exp_elt_opcode (&p
->pstate
, UNOP_CAST
);
427 write_exp_elt_opcode (&p
->pstate
, UNOP_IND
);
437 /* Implement the "get_syscall_number" gdbarch method. */
440 aarch64_linux_get_syscall_number (struct gdbarch
*gdbarch
,
443 struct regcache
*regs
= get_thread_regcache (thread
);
444 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
446 /* The content of register x8. */
447 gdb_byte buf
[X_REGISTER_SIZE
];
451 /* Getting the system call number from the register x8. */
452 regs
->cooked_read (AARCH64_DWARF_X0
+ 8, buf
);
454 ret
= extract_signed_integer (buf
, X_REGISTER_SIZE
, byte_order
);
459 /* AArch64 process record-replay constructs: syscall, signal etc. */
461 struct linux_record_tdep aarch64_linux_record_tdep
;
463 /* Enum that defines the AArch64 linux specific syscall identifiers used for
464 process record/replay. */
466 enum aarch64_syscall
{
467 aarch64_sys_io_setup
= 0,
468 aarch64_sys_io_destroy
= 1,
469 aarch64_sys_io_submit
= 2,
470 aarch64_sys_io_cancel
= 3,
471 aarch64_sys_io_getevents
= 4,
472 aarch64_sys_setxattr
= 5,
473 aarch64_sys_lsetxattr
= 6,
474 aarch64_sys_fsetxattr
= 7,
475 aarch64_sys_getxattr
= 8,
476 aarch64_sys_lgetxattr
= 9,
477 aarch64_sys_fgetxattr
= 10,
478 aarch64_sys_listxattr
= 11,
479 aarch64_sys_llistxattr
= 12,
480 aarch64_sys_flistxattr
= 13,
481 aarch64_sys_removexattr
= 14,
482 aarch64_sys_lremovexattr
= 15,
483 aarch64_sys_fremovexattr
= 16,
484 aarch64_sys_getcwd
= 17,
485 aarch64_sys_lookup_dcookie
= 18,
486 aarch64_sys_eventfd2
= 19,
487 aarch64_sys_epoll_create1
= 20,
488 aarch64_sys_epoll_ctl
= 21,
489 aarch64_sys_epoll_pwait
= 22,
490 aarch64_sys_dup
= 23,
491 aarch64_sys_dup3
= 24,
492 aarch64_sys_fcntl
= 25,
493 aarch64_sys_inotify_init1
= 26,
494 aarch64_sys_inotify_add_watch
= 27,
495 aarch64_sys_inotify_rm_watch
= 28,
496 aarch64_sys_ioctl
= 29,
497 aarch64_sys_ioprio_set
= 30,
498 aarch64_sys_ioprio_get
= 31,
499 aarch64_sys_flock
= 32,
500 aarch64_sys_mknodat
= 33,
501 aarch64_sys_mkdirat
= 34,
502 aarch64_sys_unlinkat
= 35,
503 aarch64_sys_symlinkat
= 36,
504 aarch64_sys_linkat
= 37,
505 aarch64_sys_renameat
= 38,
506 aarch64_sys_umount2
= 39,
507 aarch64_sys_mount
= 40,
508 aarch64_sys_pivot_root
= 41,
509 aarch64_sys_nfsservctl
= 42,
510 aarch64_sys_statfs
= 43,
511 aarch64_sys_fstatfs
= 44,
512 aarch64_sys_truncate
= 45,
513 aarch64_sys_ftruncate
= 46,
514 aarch64_sys_fallocate
= 47,
515 aarch64_sys_faccessat
= 48,
516 aarch64_sys_chdir
= 49,
517 aarch64_sys_fchdir
= 50,
518 aarch64_sys_chroot
= 51,
519 aarch64_sys_fchmod
= 52,
520 aarch64_sys_fchmodat
= 53,
521 aarch64_sys_fchownat
= 54,
522 aarch64_sys_fchown
= 55,
523 aarch64_sys_openat
= 56,
524 aarch64_sys_close
= 57,
525 aarch64_sys_vhangup
= 58,
526 aarch64_sys_pipe2
= 59,
527 aarch64_sys_quotactl
= 60,
528 aarch64_sys_getdents64
= 61,
529 aarch64_sys_lseek
= 62,
530 aarch64_sys_read
= 63,
531 aarch64_sys_write
= 64,
532 aarch64_sys_readv
= 65,
533 aarch64_sys_writev
= 66,
534 aarch64_sys_pread64
= 67,
535 aarch64_sys_pwrite64
= 68,
536 aarch64_sys_preadv
= 69,
537 aarch64_sys_pwritev
= 70,
538 aarch64_sys_sendfile
= 71,
539 aarch64_sys_pselect6
= 72,
540 aarch64_sys_ppoll
= 73,
541 aarch64_sys_signalfd4
= 74,
542 aarch64_sys_vmsplice
= 75,
543 aarch64_sys_splice
= 76,
544 aarch64_sys_tee
= 77,
545 aarch64_sys_readlinkat
= 78,
546 aarch64_sys_newfstatat
= 79,
547 aarch64_sys_fstat
= 80,
548 aarch64_sys_sync
= 81,
549 aarch64_sys_fsync
= 82,
550 aarch64_sys_fdatasync
= 83,
551 aarch64_sys_sync_file_range2
= 84,
552 aarch64_sys_sync_file_range
= 84,
553 aarch64_sys_timerfd_create
= 85,
554 aarch64_sys_timerfd_settime
= 86,
555 aarch64_sys_timerfd_gettime
= 87,
556 aarch64_sys_utimensat
= 88,
557 aarch64_sys_acct
= 89,
558 aarch64_sys_capget
= 90,
559 aarch64_sys_capset
= 91,
560 aarch64_sys_personality
= 92,
561 aarch64_sys_exit
= 93,
562 aarch64_sys_exit_group
= 94,
563 aarch64_sys_waitid
= 95,
564 aarch64_sys_set_tid_address
= 96,
565 aarch64_sys_unshare
= 97,
566 aarch64_sys_futex
= 98,
567 aarch64_sys_set_robust_list
= 99,
568 aarch64_sys_get_robust_list
= 100,
569 aarch64_sys_nanosleep
= 101,
570 aarch64_sys_getitimer
= 102,
571 aarch64_sys_setitimer
= 103,
572 aarch64_sys_kexec_load
= 104,
573 aarch64_sys_init_module
= 105,
574 aarch64_sys_delete_module
= 106,
575 aarch64_sys_timer_create
= 107,
576 aarch64_sys_timer_gettime
= 108,
577 aarch64_sys_timer_getoverrun
= 109,
578 aarch64_sys_timer_settime
= 110,
579 aarch64_sys_timer_delete
= 111,
580 aarch64_sys_clock_settime
= 112,
581 aarch64_sys_clock_gettime
= 113,
582 aarch64_sys_clock_getres
= 114,
583 aarch64_sys_clock_nanosleep
= 115,
584 aarch64_sys_syslog
= 116,
585 aarch64_sys_ptrace
= 117,
586 aarch64_sys_sched_setparam
= 118,
587 aarch64_sys_sched_setscheduler
= 119,
588 aarch64_sys_sched_getscheduler
= 120,
589 aarch64_sys_sched_getparam
= 121,
590 aarch64_sys_sched_setaffinity
= 122,
591 aarch64_sys_sched_getaffinity
= 123,
592 aarch64_sys_sched_yield
= 124,
593 aarch64_sys_sched_get_priority_max
= 125,
594 aarch64_sys_sched_get_priority_min
= 126,
595 aarch64_sys_sched_rr_get_interval
= 127,
596 aarch64_sys_kill
= 129,
597 aarch64_sys_tkill
= 130,
598 aarch64_sys_tgkill
= 131,
599 aarch64_sys_sigaltstack
= 132,
600 aarch64_sys_rt_sigsuspend
= 133,
601 aarch64_sys_rt_sigaction
= 134,
602 aarch64_sys_rt_sigprocmask
= 135,
603 aarch64_sys_rt_sigpending
= 136,
604 aarch64_sys_rt_sigtimedwait
= 137,
605 aarch64_sys_rt_sigqueueinfo
= 138,
606 aarch64_sys_rt_sigreturn
= 139,
607 aarch64_sys_setpriority
= 140,
608 aarch64_sys_getpriority
= 141,
609 aarch64_sys_reboot
= 142,
610 aarch64_sys_setregid
= 143,
611 aarch64_sys_setgid
= 144,
612 aarch64_sys_setreuid
= 145,
613 aarch64_sys_setuid
= 146,
614 aarch64_sys_setresuid
= 147,
615 aarch64_sys_getresuid
= 148,
616 aarch64_sys_setresgid
= 149,
617 aarch64_sys_getresgid
= 150,
618 aarch64_sys_setfsuid
= 151,
619 aarch64_sys_setfsgid
= 152,
620 aarch64_sys_times
= 153,
621 aarch64_sys_setpgid
= 154,
622 aarch64_sys_getpgid
= 155,
623 aarch64_sys_getsid
= 156,
624 aarch64_sys_setsid
= 157,
625 aarch64_sys_getgroups
= 158,
626 aarch64_sys_setgroups
= 159,
627 aarch64_sys_uname
= 160,
628 aarch64_sys_sethostname
= 161,
629 aarch64_sys_setdomainname
= 162,
630 aarch64_sys_getrlimit
= 163,
631 aarch64_sys_setrlimit
= 164,
632 aarch64_sys_getrusage
= 165,
633 aarch64_sys_umask
= 166,
634 aarch64_sys_prctl
= 167,
635 aarch64_sys_getcpu
= 168,
636 aarch64_sys_gettimeofday
= 169,
637 aarch64_sys_settimeofday
= 170,
638 aarch64_sys_adjtimex
= 171,
639 aarch64_sys_getpid
= 172,
640 aarch64_sys_getppid
= 173,
641 aarch64_sys_getuid
= 174,
642 aarch64_sys_geteuid
= 175,
643 aarch64_sys_getgid
= 176,
644 aarch64_sys_getegid
= 177,
645 aarch64_sys_gettid
= 178,
646 aarch64_sys_sysinfo
= 179,
647 aarch64_sys_mq_open
= 180,
648 aarch64_sys_mq_unlink
= 181,
649 aarch64_sys_mq_timedsend
= 182,
650 aarch64_sys_mq_timedreceive
= 183,
651 aarch64_sys_mq_notify
= 184,
652 aarch64_sys_mq_getsetattr
= 185,
653 aarch64_sys_msgget
= 186,
654 aarch64_sys_msgctl
= 187,
655 aarch64_sys_msgrcv
= 188,
656 aarch64_sys_msgsnd
= 189,
657 aarch64_sys_semget
= 190,
658 aarch64_sys_semctl
= 191,
659 aarch64_sys_semtimedop
= 192,
660 aarch64_sys_semop
= 193,
661 aarch64_sys_shmget
= 194,
662 aarch64_sys_shmctl
= 195,
663 aarch64_sys_shmat
= 196,
664 aarch64_sys_shmdt
= 197,
665 aarch64_sys_socket
= 198,
666 aarch64_sys_socketpair
= 199,
667 aarch64_sys_bind
= 200,
668 aarch64_sys_listen
= 201,
669 aarch64_sys_accept
= 202,
670 aarch64_sys_connect
= 203,
671 aarch64_sys_getsockname
= 204,
672 aarch64_sys_getpeername
= 205,
673 aarch64_sys_sendto
= 206,
674 aarch64_sys_recvfrom
= 207,
675 aarch64_sys_setsockopt
= 208,
676 aarch64_sys_getsockopt
= 209,
677 aarch64_sys_shutdown
= 210,
678 aarch64_sys_sendmsg
= 211,
679 aarch64_sys_recvmsg
= 212,
680 aarch64_sys_readahead
= 213,
681 aarch64_sys_brk
= 214,
682 aarch64_sys_munmap
= 215,
683 aarch64_sys_mremap
= 216,
684 aarch64_sys_add_key
= 217,
685 aarch64_sys_request_key
= 218,
686 aarch64_sys_keyctl
= 219,
687 aarch64_sys_clone
= 220,
688 aarch64_sys_execve
= 221,
689 aarch64_sys_mmap
= 222,
690 aarch64_sys_fadvise64
= 223,
691 aarch64_sys_swapon
= 224,
692 aarch64_sys_swapoff
= 225,
693 aarch64_sys_mprotect
= 226,
694 aarch64_sys_msync
= 227,
695 aarch64_sys_mlock
= 228,
696 aarch64_sys_munlock
= 229,
697 aarch64_sys_mlockall
= 230,
698 aarch64_sys_munlockall
= 231,
699 aarch64_sys_mincore
= 232,
700 aarch64_sys_madvise
= 233,
701 aarch64_sys_remap_file_pages
= 234,
702 aarch64_sys_mbind
= 235,
703 aarch64_sys_get_mempolicy
= 236,
704 aarch64_sys_set_mempolicy
= 237,
705 aarch64_sys_migrate_pages
= 238,
706 aarch64_sys_move_pages
= 239,
707 aarch64_sys_rt_tgsigqueueinfo
= 240,
708 aarch64_sys_perf_event_open
= 241,
709 aarch64_sys_accept4
= 242,
710 aarch64_sys_recvmmsg
= 243,
711 aarch64_sys_wait4
= 260,
712 aarch64_sys_prlimit64
= 261,
713 aarch64_sys_fanotify_init
= 262,
714 aarch64_sys_fanotify_mark
= 263,
715 aarch64_sys_name_to_handle_at
= 264,
716 aarch64_sys_open_by_handle_at
= 265,
717 aarch64_sys_clock_adjtime
= 266,
718 aarch64_sys_syncfs
= 267,
719 aarch64_sys_setns
= 268,
720 aarch64_sys_sendmmsg
= 269,
721 aarch64_sys_process_vm_readv
= 270,
722 aarch64_sys_process_vm_writev
= 271,
723 aarch64_sys_kcmp
= 272,
724 aarch64_sys_finit_module
= 273,
725 aarch64_sys_sched_setattr
= 274,
726 aarch64_sys_sched_getattr
= 275,
729 /* aarch64_canonicalize_syscall maps syscall ids from the native AArch64
730 linux set of syscall ids into a canonical set of syscall ids used by
733 static enum gdb_syscall
734 aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number
)
736 #define SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
737 return gdb_sys_##SYSCALL
739 #define UNSUPPORTED_SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
740 return gdb_sys_no_syscall
742 switch (syscall_number
)
744 SYSCALL_MAP (io_setup
);
745 SYSCALL_MAP (io_destroy
);
746 SYSCALL_MAP (io_submit
);
747 SYSCALL_MAP (io_cancel
);
748 SYSCALL_MAP (io_getevents
);
750 SYSCALL_MAP (setxattr
);
751 SYSCALL_MAP (lsetxattr
);
752 SYSCALL_MAP (fsetxattr
);
753 SYSCALL_MAP (getxattr
);
754 SYSCALL_MAP (lgetxattr
);
755 SYSCALL_MAP (fgetxattr
);
756 SYSCALL_MAP (listxattr
);
757 SYSCALL_MAP (llistxattr
);
758 SYSCALL_MAP (flistxattr
);
759 SYSCALL_MAP (removexattr
);
760 SYSCALL_MAP (lremovexattr
);
761 SYSCALL_MAP (fremovexattr
);
762 SYSCALL_MAP (getcwd
);
763 SYSCALL_MAP (lookup_dcookie
);
764 SYSCALL_MAP (eventfd2
);
765 SYSCALL_MAP (epoll_create1
);
766 SYSCALL_MAP (epoll_ctl
);
767 SYSCALL_MAP (epoll_pwait
);
771 SYSCALL_MAP (inotify_init1
);
772 SYSCALL_MAP (inotify_add_watch
);
773 SYSCALL_MAP (inotify_rm_watch
);
775 SYSCALL_MAP (ioprio_set
);
776 SYSCALL_MAP (ioprio_get
);
778 SYSCALL_MAP (mknodat
);
779 SYSCALL_MAP (mkdirat
);
780 SYSCALL_MAP (unlinkat
);
781 SYSCALL_MAP (symlinkat
);
782 SYSCALL_MAP (linkat
);
783 SYSCALL_MAP (renameat
);
784 UNSUPPORTED_SYSCALL_MAP (umount2
);
786 SYSCALL_MAP (pivot_root
);
787 SYSCALL_MAP (nfsservctl
);
788 SYSCALL_MAP (statfs
);
789 SYSCALL_MAP (truncate
);
790 SYSCALL_MAP (ftruncate
);
791 SYSCALL_MAP (fallocate
);
792 SYSCALL_MAP (faccessat
);
793 SYSCALL_MAP (fchdir
);
794 SYSCALL_MAP (chroot
);
795 SYSCALL_MAP (fchmod
);
796 SYSCALL_MAP (fchmodat
);
797 SYSCALL_MAP (fchownat
);
798 SYSCALL_MAP (fchown
);
799 SYSCALL_MAP (openat
);
801 SYSCALL_MAP (vhangup
);
803 SYSCALL_MAP (quotactl
);
804 SYSCALL_MAP (getdents64
);
809 SYSCALL_MAP (writev
);
810 SYSCALL_MAP (pread64
);
811 SYSCALL_MAP (pwrite64
);
812 UNSUPPORTED_SYSCALL_MAP (preadv
);
813 UNSUPPORTED_SYSCALL_MAP (pwritev
);
814 SYSCALL_MAP (sendfile
);
815 SYSCALL_MAP (pselect6
);
817 UNSUPPORTED_SYSCALL_MAP (signalfd4
);
818 SYSCALL_MAP (vmsplice
);
819 SYSCALL_MAP (splice
);
821 SYSCALL_MAP (readlinkat
);
822 SYSCALL_MAP (newfstatat
);
827 SYSCALL_MAP (fdatasync
);
828 SYSCALL_MAP (sync_file_range
);
829 UNSUPPORTED_SYSCALL_MAP (timerfd_create
);
830 UNSUPPORTED_SYSCALL_MAP (timerfd_settime
);
831 UNSUPPORTED_SYSCALL_MAP (timerfd_gettime
);
832 UNSUPPORTED_SYSCALL_MAP (utimensat
);
834 SYSCALL_MAP (capget
);
835 SYSCALL_MAP (capset
);
836 SYSCALL_MAP (personality
);
838 SYSCALL_MAP (exit_group
);
839 SYSCALL_MAP (waitid
);
840 SYSCALL_MAP (set_tid_address
);
841 SYSCALL_MAP (unshare
);
843 SYSCALL_MAP (set_robust_list
);
844 SYSCALL_MAP (get_robust_list
);
845 SYSCALL_MAP (nanosleep
);
847 SYSCALL_MAP (getitimer
);
848 SYSCALL_MAP (setitimer
);
849 SYSCALL_MAP (kexec_load
);
850 SYSCALL_MAP (init_module
);
851 SYSCALL_MAP (delete_module
);
852 SYSCALL_MAP (timer_create
);
853 SYSCALL_MAP (timer_settime
);
854 SYSCALL_MAP (timer_gettime
);
855 SYSCALL_MAP (timer_getoverrun
);
856 SYSCALL_MAP (timer_delete
);
857 SYSCALL_MAP (clock_settime
);
858 SYSCALL_MAP (clock_gettime
);
859 SYSCALL_MAP (clock_getres
);
860 SYSCALL_MAP (clock_nanosleep
);
861 SYSCALL_MAP (syslog
);
862 SYSCALL_MAP (ptrace
);
863 SYSCALL_MAP (sched_setparam
);
864 SYSCALL_MAP (sched_setscheduler
);
865 SYSCALL_MAP (sched_getscheduler
);
866 SYSCALL_MAP (sched_getparam
);
867 SYSCALL_MAP (sched_setaffinity
);
868 SYSCALL_MAP (sched_getaffinity
);
869 SYSCALL_MAP (sched_yield
);
870 SYSCALL_MAP (sched_get_priority_max
);
871 SYSCALL_MAP (sched_get_priority_min
);
872 SYSCALL_MAP (sched_rr_get_interval
);
875 SYSCALL_MAP (tgkill
);
876 SYSCALL_MAP (sigaltstack
);
877 SYSCALL_MAP (rt_sigsuspend
);
878 SYSCALL_MAP (rt_sigaction
);
879 SYSCALL_MAP (rt_sigprocmask
);
880 SYSCALL_MAP (rt_sigpending
);
881 SYSCALL_MAP (rt_sigtimedwait
);
882 SYSCALL_MAP (rt_sigqueueinfo
);
883 SYSCALL_MAP (rt_sigreturn
);
884 SYSCALL_MAP (setpriority
);
885 SYSCALL_MAP (getpriority
);
886 SYSCALL_MAP (reboot
);
887 SYSCALL_MAP (setregid
);
888 SYSCALL_MAP (setgid
);
889 SYSCALL_MAP (setreuid
);
890 SYSCALL_MAP (setuid
);
891 SYSCALL_MAP (setresuid
);
892 SYSCALL_MAP (getresuid
);
893 SYSCALL_MAP (setresgid
);
894 SYSCALL_MAP (getresgid
);
895 SYSCALL_MAP (setfsuid
);
896 SYSCALL_MAP (setfsgid
);
898 SYSCALL_MAP (setpgid
);
899 SYSCALL_MAP (getpgid
);
900 SYSCALL_MAP (getsid
);
901 SYSCALL_MAP (setsid
);
902 SYSCALL_MAP (getgroups
);
903 SYSCALL_MAP (setgroups
);
905 SYSCALL_MAP (sethostname
);
906 SYSCALL_MAP (setdomainname
);
907 SYSCALL_MAP (getrlimit
);
908 SYSCALL_MAP (setrlimit
);
909 SYSCALL_MAP (getrusage
);
912 SYSCALL_MAP (getcpu
);
913 SYSCALL_MAP (gettimeofday
);
914 SYSCALL_MAP (settimeofday
);
915 SYSCALL_MAP (adjtimex
);
916 SYSCALL_MAP (getpid
);
917 SYSCALL_MAP (getppid
);
918 SYSCALL_MAP (getuid
);
919 SYSCALL_MAP (geteuid
);
920 SYSCALL_MAP (getgid
);
921 SYSCALL_MAP (getegid
);
922 SYSCALL_MAP (gettid
);
923 SYSCALL_MAP (sysinfo
);
924 SYSCALL_MAP (mq_open
);
925 SYSCALL_MAP (mq_unlink
);
926 SYSCALL_MAP (mq_timedsend
);
927 SYSCALL_MAP (mq_timedreceive
);
928 SYSCALL_MAP (mq_notify
);
929 SYSCALL_MAP (mq_getsetattr
);
930 SYSCALL_MAP (msgget
);
931 SYSCALL_MAP (msgctl
);
932 SYSCALL_MAP (msgrcv
);
933 SYSCALL_MAP (msgsnd
);
934 SYSCALL_MAP (semget
);
935 SYSCALL_MAP (semctl
);
936 SYSCALL_MAP (semtimedop
);
938 SYSCALL_MAP (shmget
);
939 SYSCALL_MAP (shmctl
);
942 SYSCALL_MAP (socket
);
943 SYSCALL_MAP (socketpair
);
945 SYSCALL_MAP (listen
);
946 SYSCALL_MAP (accept
);
947 SYSCALL_MAP (connect
);
948 SYSCALL_MAP (getsockname
);
949 SYSCALL_MAP (getpeername
);
950 SYSCALL_MAP (sendto
);
951 SYSCALL_MAP (recvfrom
);
952 SYSCALL_MAP (setsockopt
);
953 SYSCALL_MAP (getsockopt
);
954 SYSCALL_MAP (shutdown
);
955 SYSCALL_MAP (sendmsg
);
956 SYSCALL_MAP (recvmsg
);
957 SYSCALL_MAP (readahead
);
959 SYSCALL_MAP (munmap
);
960 SYSCALL_MAP (mremap
);
961 SYSCALL_MAP (add_key
);
962 SYSCALL_MAP (request_key
);
963 SYSCALL_MAP (keyctl
);
965 SYSCALL_MAP (execve
);
967 case aarch64_sys_mmap
:
968 return gdb_sys_mmap2
;
970 SYSCALL_MAP (fadvise64
);
971 SYSCALL_MAP (swapon
);
972 SYSCALL_MAP (swapoff
);
973 SYSCALL_MAP (mprotect
);
976 SYSCALL_MAP (munlock
);
977 SYSCALL_MAP (mlockall
);
978 SYSCALL_MAP (munlockall
);
979 SYSCALL_MAP (mincore
);
980 SYSCALL_MAP (madvise
);
981 SYSCALL_MAP (remap_file_pages
);
983 SYSCALL_MAP (get_mempolicy
);
984 SYSCALL_MAP (set_mempolicy
);
985 SYSCALL_MAP (migrate_pages
);
986 SYSCALL_MAP (move_pages
);
987 UNSUPPORTED_SYSCALL_MAP (rt_tgsigqueueinfo
);
988 UNSUPPORTED_SYSCALL_MAP (perf_event_open
);
989 UNSUPPORTED_SYSCALL_MAP (accept4
);
990 UNSUPPORTED_SYSCALL_MAP (recvmmsg
);
994 UNSUPPORTED_SYSCALL_MAP (prlimit64
);
995 UNSUPPORTED_SYSCALL_MAP (fanotify_init
);
996 UNSUPPORTED_SYSCALL_MAP (fanotify_mark
);
997 UNSUPPORTED_SYSCALL_MAP (name_to_handle_at
);
998 UNSUPPORTED_SYSCALL_MAP (open_by_handle_at
);
999 UNSUPPORTED_SYSCALL_MAP (clock_adjtime
);
1000 UNSUPPORTED_SYSCALL_MAP (syncfs
);
1001 UNSUPPORTED_SYSCALL_MAP (setns
);
1002 UNSUPPORTED_SYSCALL_MAP (sendmmsg
);
1003 UNSUPPORTED_SYSCALL_MAP (process_vm_readv
);
1004 UNSUPPORTED_SYSCALL_MAP (process_vm_writev
);
1005 UNSUPPORTED_SYSCALL_MAP (kcmp
);
1006 UNSUPPORTED_SYSCALL_MAP (finit_module
);
1007 UNSUPPORTED_SYSCALL_MAP (sched_setattr
);
1008 UNSUPPORTED_SYSCALL_MAP (sched_getattr
);
1010 return gdb_sys_no_syscall
;
1014 /* Record all registers but PC register for process-record. */
1017 aarch64_all_but_pc_registers_record (struct regcache
*regcache
)
1021 for (i
= AARCH64_X0_REGNUM
; i
< AARCH64_PC_REGNUM
; i
++)
1022 if (record_full_arch_list_add_reg (regcache
, i
))
1025 if (record_full_arch_list_add_reg (regcache
, AARCH64_CPSR_REGNUM
))
1031 /* Handler for aarch64 system call instruction recording. */
1034 aarch64_linux_syscall_record (struct regcache
*regcache
,
1035 unsigned long svc_number
)
1038 enum gdb_syscall syscall_gdb
;
1041 aarch64_canonicalize_syscall ((enum aarch64_syscall
) svc_number
);
1043 if (syscall_gdb
< 0)
1045 printf_unfiltered (_("Process record and replay target doesn't "
1046 "support syscall number %s\n"),
1047 plongest (svc_number
));
1051 if (syscall_gdb
== gdb_sys_sigreturn
1052 || syscall_gdb
== gdb_sys_rt_sigreturn
)
1054 if (aarch64_all_but_pc_registers_record (regcache
))
1059 ret
= record_linux_system_call (syscall_gdb
, regcache
,
1060 &aarch64_linux_record_tdep
);
1064 /* Record the return value of the system call. */
1065 if (record_full_arch_list_add_reg (regcache
, AARCH64_X0_REGNUM
))
1068 if (record_full_arch_list_add_reg (regcache
, AARCH64_LR_REGNUM
))
1071 if (record_full_arch_list_add_reg (regcache
, AARCH64_CPSR_REGNUM
))
1077 /* Implement the "gcc_target_options" gdbarch method. */
1080 aarch64_linux_gcc_target_options (struct gdbarch
*gdbarch
)
1082 /* GCC doesn't know "-m64". */
1087 aarch64_linux_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
1089 static const char *const stap_integer_prefixes
[] = { "#", "", NULL
};
1090 static const char *const stap_register_prefixes
[] = { "", NULL
};
1091 static const char *const stap_register_indirection_prefixes
[] = { "[",
1093 static const char *const stap_register_indirection_suffixes
[] = { "]",
1095 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1097 tdep
->lowest_pc
= 0x8000;
1099 linux_init_abi (info
, gdbarch
);
1101 set_solib_svr4_fetch_link_map_offsets (gdbarch
,
1102 svr4_lp64_fetch_link_map_offsets
);
1104 /* Enable TLS support. */
1105 set_gdbarch_fetch_tls_load_module_address (gdbarch
,
1106 svr4_fetch_objfile_link_map
);
1108 /* Shared library handling. */
1109 set_gdbarch_skip_trampoline_code (gdbarch
, find_solib_trampoline_target
);
1110 set_gdbarch_skip_solib_resolver (gdbarch
, glibc_skip_solib_resolver
);
1112 tramp_frame_prepend_unwinder (gdbarch
, &aarch64_linux_rt_sigframe
);
1114 /* Enable longjmp. */
1117 set_gdbarch_iterate_over_regset_sections
1118 (gdbarch
, aarch64_linux_iterate_over_regset_sections
);
1119 set_gdbarch_core_read_description
1120 (gdbarch
, aarch64_linux_core_read_description
);
1122 /* SystemTap related. */
1123 set_gdbarch_stap_integer_prefixes (gdbarch
, stap_integer_prefixes
);
1124 set_gdbarch_stap_register_prefixes (gdbarch
, stap_register_prefixes
);
1125 set_gdbarch_stap_register_indirection_prefixes (gdbarch
,
1126 stap_register_indirection_prefixes
);
1127 set_gdbarch_stap_register_indirection_suffixes (gdbarch
,
1128 stap_register_indirection_suffixes
);
1129 set_gdbarch_stap_is_single_operand (gdbarch
, aarch64_stap_is_single_operand
);
1130 set_gdbarch_stap_parse_special_token (gdbarch
,
1131 aarch64_stap_parse_special_token
);
1133 /* Reversible debugging, process record. */
1134 set_gdbarch_process_record (gdbarch
, aarch64_process_record
);
1135 /* Syscall record. */
1136 tdep
->aarch64_syscall_record
= aarch64_linux_syscall_record
;
1138 /* The top byte of a user space address known as the "tag",
1139 is ignored by the kernel and can be regarded as additional
1140 data associated with the address. */
1141 set_gdbarch_significant_addr_bit (gdbarch
, 56);
1143 /* Initialize the aarch64_linux_record_tdep. */
1144 /* These values are the size of the type that will be used in a system
1145 call. They are obtained from Linux Kernel source. */
1146 aarch64_linux_record_tdep
.size_pointer
1147 = gdbarch_ptr_bit (gdbarch
) / TARGET_CHAR_BIT
;
1148 aarch64_linux_record_tdep
.size__old_kernel_stat
= 32;
1149 aarch64_linux_record_tdep
.size_tms
= 32;
1150 aarch64_linux_record_tdep
.size_loff_t
= 8;
1151 aarch64_linux_record_tdep
.size_flock
= 32;
1152 aarch64_linux_record_tdep
.size_oldold_utsname
= 45;
1153 aarch64_linux_record_tdep
.size_ustat
= 32;
1154 aarch64_linux_record_tdep
.size_old_sigaction
= 32;
1155 aarch64_linux_record_tdep
.size_old_sigset_t
= 8;
1156 aarch64_linux_record_tdep
.size_rlimit
= 16;
1157 aarch64_linux_record_tdep
.size_rusage
= 144;
1158 aarch64_linux_record_tdep
.size_timeval
= 16;
1159 aarch64_linux_record_tdep
.size_timezone
= 8;
1160 aarch64_linux_record_tdep
.size_old_gid_t
= 2;
1161 aarch64_linux_record_tdep
.size_old_uid_t
= 2;
1162 aarch64_linux_record_tdep
.size_fd_set
= 128;
1163 aarch64_linux_record_tdep
.size_old_dirent
= 280;
1164 aarch64_linux_record_tdep
.size_statfs
= 120;
1165 aarch64_linux_record_tdep
.size_statfs64
= 120;
1166 aarch64_linux_record_tdep
.size_sockaddr
= 16;
1167 aarch64_linux_record_tdep
.size_int
1168 = gdbarch_int_bit (gdbarch
) / TARGET_CHAR_BIT
;
1169 aarch64_linux_record_tdep
.size_long
1170 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1171 aarch64_linux_record_tdep
.size_ulong
1172 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1173 aarch64_linux_record_tdep
.size_msghdr
= 56;
1174 aarch64_linux_record_tdep
.size_itimerval
= 32;
1175 aarch64_linux_record_tdep
.size_stat
= 144;
1176 aarch64_linux_record_tdep
.size_old_utsname
= 325;
1177 aarch64_linux_record_tdep
.size_sysinfo
= 112;
1178 aarch64_linux_record_tdep
.size_msqid_ds
= 120;
1179 aarch64_linux_record_tdep
.size_shmid_ds
= 112;
1180 aarch64_linux_record_tdep
.size_new_utsname
= 390;
1181 aarch64_linux_record_tdep
.size_timex
= 208;
1182 aarch64_linux_record_tdep
.size_mem_dqinfo
= 24;
1183 aarch64_linux_record_tdep
.size_if_dqblk
= 72;
1184 aarch64_linux_record_tdep
.size_fs_quota_stat
= 80;
1185 aarch64_linux_record_tdep
.size_timespec
= 16;
1186 aarch64_linux_record_tdep
.size_pollfd
= 8;
1187 aarch64_linux_record_tdep
.size_NFS_FHSIZE
= 32;
1188 aarch64_linux_record_tdep
.size_knfsd_fh
= 132;
1189 aarch64_linux_record_tdep
.size_TASK_COMM_LEN
= 16;
1190 aarch64_linux_record_tdep
.size_sigaction
= 32;
1191 aarch64_linux_record_tdep
.size_sigset_t
= 8;
1192 aarch64_linux_record_tdep
.size_siginfo_t
= 128;
1193 aarch64_linux_record_tdep
.size_cap_user_data_t
= 8;
1194 aarch64_linux_record_tdep
.size_stack_t
= 24;
1195 aarch64_linux_record_tdep
.size_off_t
= 8;
1196 aarch64_linux_record_tdep
.size_stat64
= 144;
1197 aarch64_linux_record_tdep
.size_gid_t
= 4;
1198 aarch64_linux_record_tdep
.size_uid_t
= 4;
1199 aarch64_linux_record_tdep
.size_PAGE_SIZE
= 4096;
1200 aarch64_linux_record_tdep
.size_flock64
= 32;
1201 aarch64_linux_record_tdep
.size_user_desc
= 16;
1202 aarch64_linux_record_tdep
.size_io_event
= 32;
1203 aarch64_linux_record_tdep
.size_iocb
= 64;
1204 aarch64_linux_record_tdep
.size_epoll_event
= 12;
1205 aarch64_linux_record_tdep
.size_itimerspec
= 32;
1206 aarch64_linux_record_tdep
.size_mq_attr
= 64;
1207 aarch64_linux_record_tdep
.size_termios
= 36;
1208 aarch64_linux_record_tdep
.size_termios2
= 44;
1209 aarch64_linux_record_tdep
.size_pid_t
= 4;
1210 aarch64_linux_record_tdep
.size_winsize
= 8;
1211 aarch64_linux_record_tdep
.size_serial_struct
= 72;
1212 aarch64_linux_record_tdep
.size_serial_icounter_struct
= 80;
1213 aarch64_linux_record_tdep
.size_hayes_esp_config
= 12;
1214 aarch64_linux_record_tdep
.size_size_t
= 8;
1215 aarch64_linux_record_tdep
.size_iovec
= 16;
1216 aarch64_linux_record_tdep
.size_time_t
= 8;
1218 /* These values are the second argument of system call "sys_ioctl".
1219 They are obtained from Linux Kernel source. */
1220 aarch64_linux_record_tdep
.ioctl_TCGETS
= 0x5401;
1221 aarch64_linux_record_tdep
.ioctl_TCSETS
= 0x5402;
1222 aarch64_linux_record_tdep
.ioctl_TCSETSW
= 0x5403;
1223 aarch64_linux_record_tdep
.ioctl_TCSETSF
= 0x5404;
1224 aarch64_linux_record_tdep
.ioctl_TCGETA
= 0x5405;
1225 aarch64_linux_record_tdep
.ioctl_TCSETA
= 0x5406;
1226 aarch64_linux_record_tdep
.ioctl_TCSETAW
= 0x5407;
1227 aarch64_linux_record_tdep
.ioctl_TCSETAF
= 0x5408;
1228 aarch64_linux_record_tdep
.ioctl_TCSBRK
= 0x5409;
1229 aarch64_linux_record_tdep
.ioctl_TCXONC
= 0x540a;
1230 aarch64_linux_record_tdep
.ioctl_TCFLSH
= 0x540b;
1231 aarch64_linux_record_tdep
.ioctl_TIOCEXCL
= 0x540c;
1232 aarch64_linux_record_tdep
.ioctl_TIOCNXCL
= 0x540d;
1233 aarch64_linux_record_tdep
.ioctl_TIOCSCTTY
= 0x540e;
1234 aarch64_linux_record_tdep
.ioctl_TIOCGPGRP
= 0x540f;
1235 aarch64_linux_record_tdep
.ioctl_TIOCSPGRP
= 0x5410;
1236 aarch64_linux_record_tdep
.ioctl_TIOCOUTQ
= 0x5411;
1237 aarch64_linux_record_tdep
.ioctl_TIOCSTI
= 0x5412;
1238 aarch64_linux_record_tdep
.ioctl_TIOCGWINSZ
= 0x5413;
1239 aarch64_linux_record_tdep
.ioctl_TIOCSWINSZ
= 0x5414;
1240 aarch64_linux_record_tdep
.ioctl_TIOCMGET
= 0x5415;
1241 aarch64_linux_record_tdep
.ioctl_TIOCMBIS
= 0x5416;
1242 aarch64_linux_record_tdep
.ioctl_TIOCMBIC
= 0x5417;
1243 aarch64_linux_record_tdep
.ioctl_TIOCMSET
= 0x5418;
1244 aarch64_linux_record_tdep
.ioctl_TIOCGSOFTCAR
= 0x5419;
1245 aarch64_linux_record_tdep
.ioctl_TIOCSSOFTCAR
= 0x541a;
1246 aarch64_linux_record_tdep
.ioctl_FIONREAD
= 0x541b;
1247 aarch64_linux_record_tdep
.ioctl_TIOCINQ
= 0x541b;
1248 aarch64_linux_record_tdep
.ioctl_TIOCLINUX
= 0x541c;
1249 aarch64_linux_record_tdep
.ioctl_TIOCCONS
= 0x541d;
1250 aarch64_linux_record_tdep
.ioctl_TIOCGSERIAL
= 0x541e;
1251 aarch64_linux_record_tdep
.ioctl_TIOCSSERIAL
= 0x541f;
1252 aarch64_linux_record_tdep
.ioctl_TIOCPKT
= 0x5420;
1253 aarch64_linux_record_tdep
.ioctl_FIONBIO
= 0x5421;
1254 aarch64_linux_record_tdep
.ioctl_TIOCNOTTY
= 0x5422;
1255 aarch64_linux_record_tdep
.ioctl_TIOCSETD
= 0x5423;
1256 aarch64_linux_record_tdep
.ioctl_TIOCGETD
= 0x5424;
1257 aarch64_linux_record_tdep
.ioctl_TCSBRKP
= 0x5425;
1258 aarch64_linux_record_tdep
.ioctl_TIOCTTYGSTRUCT
= 0x5426;
1259 aarch64_linux_record_tdep
.ioctl_TIOCSBRK
= 0x5427;
1260 aarch64_linux_record_tdep
.ioctl_TIOCCBRK
= 0x5428;
1261 aarch64_linux_record_tdep
.ioctl_TIOCGSID
= 0x5429;
1262 aarch64_linux_record_tdep
.ioctl_TCGETS2
= 0x802c542a;
1263 aarch64_linux_record_tdep
.ioctl_TCSETS2
= 0x402c542b;
1264 aarch64_linux_record_tdep
.ioctl_TCSETSW2
= 0x402c542c;
1265 aarch64_linux_record_tdep
.ioctl_TCSETSF2
= 0x402c542d;
1266 aarch64_linux_record_tdep
.ioctl_TIOCGPTN
= 0x80045430;
1267 aarch64_linux_record_tdep
.ioctl_TIOCSPTLCK
= 0x40045431;
1268 aarch64_linux_record_tdep
.ioctl_FIONCLEX
= 0x5450;
1269 aarch64_linux_record_tdep
.ioctl_FIOCLEX
= 0x5451;
1270 aarch64_linux_record_tdep
.ioctl_FIOASYNC
= 0x5452;
1271 aarch64_linux_record_tdep
.ioctl_TIOCSERCONFIG
= 0x5453;
1272 aarch64_linux_record_tdep
.ioctl_TIOCSERGWILD
= 0x5454;
1273 aarch64_linux_record_tdep
.ioctl_TIOCSERSWILD
= 0x5455;
1274 aarch64_linux_record_tdep
.ioctl_TIOCGLCKTRMIOS
= 0x5456;
1275 aarch64_linux_record_tdep
.ioctl_TIOCSLCKTRMIOS
= 0x5457;
1276 aarch64_linux_record_tdep
.ioctl_TIOCSERGSTRUCT
= 0x5458;
1277 aarch64_linux_record_tdep
.ioctl_TIOCSERGETLSR
= 0x5459;
1278 aarch64_linux_record_tdep
.ioctl_TIOCSERGETMULTI
= 0x545a;
1279 aarch64_linux_record_tdep
.ioctl_TIOCSERSETMULTI
= 0x545b;
1280 aarch64_linux_record_tdep
.ioctl_TIOCMIWAIT
= 0x545c;
1281 aarch64_linux_record_tdep
.ioctl_TIOCGICOUNT
= 0x545d;
1282 aarch64_linux_record_tdep
.ioctl_TIOCGHAYESESP
= 0x545e;
1283 aarch64_linux_record_tdep
.ioctl_TIOCSHAYESESP
= 0x545f;
1284 aarch64_linux_record_tdep
.ioctl_FIOQSIZE
= 0x5460;
1286 /* These values are the second argument of system call "sys_fcntl"
1287 and "sys_fcntl64". They are obtained from Linux Kernel source. */
1288 aarch64_linux_record_tdep
.fcntl_F_GETLK
= 5;
1289 aarch64_linux_record_tdep
.fcntl_F_GETLK64
= 12;
1290 aarch64_linux_record_tdep
.fcntl_F_SETLK64
= 13;
1291 aarch64_linux_record_tdep
.fcntl_F_SETLKW64
= 14;
1293 /* The AArch64 syscall calling convention: reg x0-x6 for arguments,
1294 reg x8 for syscall number and return value in reg x0. */
1295 aarch64_linux_record_tdep
.arg1
= AARCH64_X0_REGNUM
+ 0;
1296 aarch64_linux_record_tdep
.arg2
= AARCH64_X0_REGNUM
+ 1;
1297 aarch64_linux_record_tdep
.arg3
= AARCH64_X0_REGNUM
+ 2;
1298 aarch64_linux_record_tdep
.arg4
= AARCH64_X0_REGNUM
+ 3;
1299 aarch64_linux_record_tdep
.arg5
= AARCH64_X0_REGNUM
+ 4;
1300 aarch64_linux_record_tdep
.arg6
= AARCH64_X0_REGNUM
+ 5;
1301 aarch64_linux_record_tdep
.arg7
= AARCH64_X0_REGNUM
+ 6;
1303 /* `catch syscall' */
1304 set_xml_syscall_file_name (gdbarch
, "syscalls/aarch64-linux.xml");
1305 set_gdbarch_get_syscall_number (gdbarch
, aarch64_linux_get_syscall_number
);
1307 /* Displaced stepping. */
1308 set_gdbarch_max_insn_length (gdbarch
, 4 * DISPLACED_MODIFIED_INSNS
);
1309 set_gdbarch_displaced_step_copy_insn (gdbarch
,
1310 aarch64_displaced_step_copy_insn
);
1311 set_gdbarch_displaced_step_fixup (gdbarch
, aarch64_displaced_step_fixup
);
1312 set_gdbarch_displaced_step_location (gdbarch
, linux_displaced_step_location
);
1313 set_gdbarch_displaced_step_hw_singlestep (gdbarch
,
1314 aarch64_displaced_step_hw_singlestep
);
1316 set_gdbarch_gcc_target_options (gdbarch
, aarch64_linux_gcc_target_options
);
1320 _initialize_aarch64_linux_tdep (void)
1322 gdbarch_register_osabi (bfd_arch_aarch64
, 0, GDB_OSABI_LINUX
,
1323 aarch64_linux_init_abi
);