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 */
179 {0xd2801168, ULONGEST_MAX
},
181 /* svc 0x0 (o=0, l=1)
182 1101 0100 oooi iiii iiii iiii iii0 00ll */
183 {0xd4000001, ULONGEST_MAX
},
184 {TRAMP_SENTINEL_INSN
, ULONGEST_MAX
}
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 #define SVE_HEADER_FLAG_SVE 1
247 /* Get VQ value from SVE section in the core dump. */
250 aarch64_linux_core_read_vq (struct gdbarch
*gdbarch
, bfd
*abfd
)
252 gdb_byte header
[SVE_HEADER_SIZE
];
253 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
254 asection
*sve_section
= bfd_get_section_by_name (abfd
, ".reg-aarch-sve");
256 if (sve_section
== nullptr)
262 size_t size
= bfd_section_size (abfd
, sve_section
);
264 /* Check extended state size. */
265 if (size
< SVE_HEADER_SIZE
)
267 warning (_("'.reg-aarch-sve' section in core file too small."));
271 if (!bfd_get_section_contents (abfd
, sve_section
, header
, 0, SVE_HEADER_SIZE
))
273 warning (_("Couldn't read sve header from "
274 "'.reg-aarch-sve' section in core file."));
278 uint64_t vl
= extract_unsigned_integer (header
+ SVE_HEADER_VL_OFFSET
,
279 SVE_HEADER_VL_LENGTH
, byte_order
);
280 uint64_t vq
= sve_vq_from_vl (vl
);
282 if (vq
> AARCH64_MAX_SVE_VQ
)
284 warning (_("SVE Vector length in core file not supported by this version"
285 " of GDB. (VQ=%s)"), pulongest (vq
));
290 warning (_("SVE Vector length in core file is invalid. (VQ=%s"),
298 /* Supply register REGNUM from BUF to REGCACHE, using the register map
299 in REGSET. If REGNUM is -1, do this for all registers in REGSET.
300 If BUF is NULL, set the registers to "unavailable" status. */
303 aarch64_linux_supply_sve_regset (const struct regset
*regset
,
304 struct regcache
*regcache
,
305 int regnum
, const void *buf
, size_t size
)
307 gdb_byte
*header
= (gdb_byte
*) buf
;
308 struct gdbarch
*gdbarch
= regcache
->arch ();
309 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
312 return regcache
->supply_regset (regset
, regnum
, nullptr, size
);
313 gdb_assert (size
> SVE_HEADER_SIZE
);
315 /* BUF contains an SVE header followed by a register dump of either the
316 passed in SVE regset or a NEON fpregset. */
318 /* Extract required fields from the header. */
319 uint64_t vl
= extract_unsigned_integer (header
+ SVE_HEADER_VL_OFFSET
,
320 SVE_HEADER_VL_LENGTH
, byte_order
);
321 uint16_t flags
= extract_unsigned_integer (header
+ SVE_HEADER_FLAGS_OFFSET
,
322 SVE_HEADER_FLAGS_LENGTH
,
325 if (regnum
== -1 || regnum
== AARCH64_SVE_VG_REGNUM
)
327 gdb_byte vg_target
[8];
328 store_integer ((gdb_byte
*)&vg_target
, sizeof (uint64_t), byte_order
,
329 sve_vg_from_vl (vl
));
330 regcache
->raw_supply (AARCH64_SVE_VG_REGNUM
, &vg_target
);
333 if (flags
& SVE_HEADER_FLAG_SVE
)
335 /* Register dump is a SVE structure. */
336 regcache
->supply_regset (regset
, regnum
,
337 (gdb_byte
*) buf
+ SVE_HEADER_SIZE
,
338 size
- SVE_HEADER_SIZE
);
342 /* Register dump is a fpsimd structure. First clear the SVE
344 for (int i
= 0; i
< AARCH64_SVE_Z_REGS_NUM
; i
++)
345 regcache
->raw_supply_zeroed (AARCH64_SVE_Z0_REGNUM
+ i
);
346 for (int i
= 0; i
< AARCH64_SVE_P_REGS_NUM
; i
++)
347 regcache
->raw_supply_zeroed (AARCH64_SVE_P0_REGNUM
+ i
);
348 regcache
->raw_supply_zeroed (AARCH64_SVE_FFR_REGNUM
);
350 /* Then supply the fpsimd registers. */
351 regcache
->supply_regset (&aarch64_linux_fpregset
, regnum
,
352 (gdb_byte
*) buf
+ SVE_HEADER_SIZE
,
353 size
- SVE_HEADER_SIZE
);
357 /* Collect register REGNUM from REGCACHE to BUF, using the register
358 map in REGSET. If REGNUM is -1, do this for all registers in
362 aarch64_linux_collect_sve_regset (const struct regset
*regset
,
363 const struct regcache
*regcache
,
364 int regnum
, void *buf
, size_t size
)
366 gdb_byte
*header
= (gdb_byte
*) buf
;
367 struct gdbarch
*gdbarch
= regcache
->arch ();
368 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
369 uint64_t vq
= gdbarch_tdep (gdbarch
)->vq
;
371 gdb_assert (buf
!= NULL
);
372 gdb_assert (size
> SVE_HEADER_SIZE
);
374 /* BUF starts with a SVE header prior to the register dump. */
376 store_unsigned_integer (header
+ SVE_HEADER_SIZE_OFFSET
,
377 SVE_HEADER_SIZE_LENGTH
, byte_order
, size
);
378 store_unsigned_integer (header
+ SVE_HEADER_MAX_SIZE_OFFSET
,
379 SVE_HEADER_MAX_SIZE_LENGTH
, byte_order
, size
);
380 store_unsigned_integer (header
+ SVE_HEADER_VL_OFFSET
, SVE_HEADER_VL_LENGTH
,
381 byte_order
, sve_vl_from_vq (vq
));
382 store_unsigned_integer (header
+ SVE_HEADER_MAX_VL_OFFSET
,
383 SVE_HEADER_MAX_VL_LENGTH
, byte_order
,
384 sve_vl_from_vq (vq
));
385 store_unsigned_integer (header
+ SVE_HEADER_FLAGS_OFFSET
,
386 SVE_HEADER_FLAGS_LENGTH
, byte_order
,
387 SVE_HEADER_FLAG_SVE
);
388 store_unsigned_integer (header
+ SVE_HEADER_RESERVED_OFFSET
,
389 SVE_HEADER_RESERVED_LENGTH
, byte_order
, 0);
391 /* The SVE register dump follows. */
392 regcache
->collect_regset (regset
, regnum
, (gdb_byte
*) buf
+ SVE_HEADER_SIZE
,
393 size
- SVE_HEADER_SIZE
);
396 /* Implement the "regset_from_core_section" gdbarch method. */
399 aarch64_linux_iterate_over_regset_sections (struct gdbarch
*gdbarch
,
400 iterate_over_regset_sections_cb
*cb
,
402 const struct regcache
*regcache
)
404 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
406 cb (".reg", AARCH64_LINUX_SIZEOF_GREGSET
, AARCH64_LINUX_SIZEOF_GREGSET
,
407 &aarch64_linux_gregset
, NULL
, cb_data
);
409 if (tdep
->has_sve ())
411 /* Create this on the fly in order to handle vector register sizes. */
412 const struct regcache_map_entry sve_regmap
[] =
414 { 32, AARCH64_SVE_Z0_REGNUM
, (int) (tdep
->vq
* 16) },
415 { 16, AARCH64_SVE_P0_REGNUM
, (int) (tdep
->vq
* 16 / 8) },
416 { 1, AARCH64_SVE_FFR_REGNUM
, 4 },
417 { 1, AARCH64_FPSR_REGNUM
, 4 },
418 { 1, AARCH64_FPCR_REGNUM
, 4 },
422 const struct regset aarch64_linux_sve_regset
=
425 aarch64_linux_supply_sve_regset
, aarch64_linux_collect_sve_regset
,
429 cb (".reg-aarch-sve",
430 SVE_HEADER_SIZE
+ regcache_map_entry_size (aarch64_linux_fpregmap
),
431 SVE_HEADER_SIZE
+ regcache_map_entry_size (sve_regmap
),
432 &aarch64_linux_sve_regset
, "SVE registers", cb_data
);
435 cb (".reg2", AARCH64_LINUX_SIZEOF_FPREGSET
, AARCH64_LINUX_SIZEOF_FPREGSET
,
436 &aarch64_linux_fpregset
, NULL
, cb_data
);
439 /* Implement the "core_read_description" gdbarch method. */
441 static const struct target_desc
*
442 aarch64_linux_core_read_description (struct gdbarch
*gdbarch
,
443 struct target_ops
*target
, bfd
*abfd
)
445 CORE_ADDR aarch64_hwcap
= 0;
447 if (target_auxv_search (target
, AT_HWCAP
, &aarch64_hwcap
) != 1)
450 return aarch64_read_description (aarch64_linux_core_read_vq (gdbarch
, abfd
));
453 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
457 aarch64_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
)
459 return (*s
== '#' || isdigit (*s
) /* Literal number. */
460 || *s
== '[' /* Register indirection. */
461 || isalpha (*s
)); /* Register value. */
464 /* This routine is used to parse a special token in AArch64's assembly.
466 The special tokens parsed by it are:
468 - Register displacement (e.g, [fp, #-8])
470 It returns one if the special token has been parsed successfully,
471 or zero if the current token is not considered special. */
474 aarch64_stap_parse_special_token (struct gdbarch
*gdbarch
,
475 struct stap_parse_info
*p
)
479 /* Temporary holder for lookahead. */
480 const char *tmp
= p
->arg
;
482 /* Used to save the register name. */
494 while (isalnum (*tmp
))
501 regname
= (char *) alloca (len
+ 2);
503 strncpy (regname
, start
, len
);
506 if (user_reg_map_name_to_regnum (gdbarch
, regname
, len
) == -1)
507 error (_("Invalid register name `%s' on expression `%s'."),
508 regname
, p
->saved_arg
);
511 tmp
= skip_spaces (tmp
);
512 /* Now we expect a number. It can begin with '#' or simply
522 else if (*tmp
== '+')
528 displacement
= strtol (tmp
, &endp
, 10);
531 /* Skipping last `]'. */
535 /* The displacement. */
536 write_exp_elt_opcode (&p
->pstate
, OP_LONG
);
537 write_exp_elt_type (&p
->pstate
, builtin_type (gdbarch
)->builtin_long
);
538 write_exp_elt_longcst (&p
->pstate
, displacement
);
539 write_exp_elt_opcode (&p
->pstate
, OP_LONG
);
541 write_exp_elt_opcode (&p
->pstate
, UNOP_NEG
);
543 /* The register name. */
544 write_exp_elt_opcode (&p
->pstate
, OP_REGISTER
);
547 write_exp_string (&p
->pstate
, str
);
548 write_exp_elt_opcode (&p
->pstate
, OP_REGISTER
);
550 write_exp_elt_opcode (&p
->pstate
, BINOP_ADD
);
552 /* Casting to the expected type. */
553 write_exp_elt_opcode (&p
->pstate
, UNOP_CAST
);
554 write_exp_elt_type (&p
->pstate
, lookup_pointer_type (p
->arg_type
));
555 write_exp_elt_opcode (&p
->pstate
, UNOP_CAST
);
557 write_exp_elt_opcode (&p
->pstate
, UNOP_IND
);
567 /* Implement the "get_syscall_number" gdbarch method. */
570 aarch64_linux_get_syscall_number (struct gdbarch
*gdbarch
,
573 struct regcache
*regs
= get_thread_regcache (thread
);
574 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
576 /* The content of register x8. */
577 gdb_byte buf
[X_REGISTER_SIZE
];
581 /* Getting the system call number from the register x8. */
582 regs
->cooked_read (AARCH64_DWARF_X0
+ 8, buf
);
584 ret
= extract_signed_integer (buf
, X_REGISTER_SIZE
, byte_order
);
589 /* AArch64 process record-replay constructs: syscall, signal etc. */
591 struct linux_record_tdep aarch64_linux_record_tdep
;
593 /* Enum that defines the AArch64 linux specific syscall identifiers used for
594 process record/replay. */
596 enum aarch64_syscall
{
597 aarch64_sys_io_setup
= 0,
598 aarch64_sys_io_destroy
= 1,
599 aarch64_sys_io_submit
= 2,
600 aarch64_sys_io_cancel
= 3,
601 aarch64_sys_io_getevents
= 4,
602 aarch64_sys_setxattr
= 5,
603 aarch64_sys_lsetxattr
= 6,
604 aarch64_sys_fsetxattr
= 7,
605 aarch64_sys_getxattr
= 8,
606 aarch64_sys_lgetxattr
= 9,
607 aarch64_sys_fgetxattr
= 10,
608 aarch64_sys_listxattr
= 11,
609 aarch64_sys_llistxattr
= 12,
610 aarch64_sys_flistxattr
= 13,
611 aarch64_sys_removexattr
= 14,
612 aarch64_sys_lremovexattr
= 15,
613 aarch64_sys_fremovexattr
= 16,
614 aarch64_sys_getcwd
= 17,
615 aarch64_sys_lookup_dcookie
= 18,
616 aarch64_sys_eventfd2
= 19,
617 aarch64_sys_epoll_create1
= 20,
618 aarch64_sys_epoll_ctl
= 21,
619 aarch64_sys_epoll_pwait
= 22,
620 aarch64_sys_dup
= 23,
621 aarch64_sys_dup3
= 24,
622 aarch64_sys_fcntl
= 25,
623 aarch64_sys_inotify_init1
= 26,
624 aarch64_sys_inotify_add_watch
= 27,
625 aarch64_sys_inotify_rm_watch
= 28,
626 aarch64_sys_ioctl
= 29,
627 aarch64_sys_ioprio_set
= 30,
628 aarch64_sys_ioprio_get
= 31,
629 aarch64_sys_flock
= 32,
630 aarch64_sys_mknodat
= 33,
631 aarch64_sys_mkdirat
= 34,
632 aarch64_sys_unlinkat
= 35,
633 aarch64_sys_symlinkat
= 36,
634 aarch64_sys_linkat
= 37,
635 aarch64_sys_renameat
= 38,
636 aarch64_sys_umount2
= 39,
637 aarch64_sys_mount
= 40,
638 aarch64_sys_pivot_root
= 41,
639 aarch64_sys_nfsservctl
= 42,
640 aarch64_sys_statfs
= 43,
641 aarch64_sys_fstatfs
= 44,
642 aarch64_sys_truncate
= 45,
643 aarch64_sys_ftruncate
= 46,
644 aarch64_sys_fallocate
= 47,
645 aarch64_sys_faccessat
= 48,
646 aarch64_sys_chdir
= 49,
647 aarch64_sys_fchdir
= 50,
648 aarch64_sys_chroot
= 51,
649 aarch64_sys_fchmod
= 52,
650 aarch64_sys_fchmodat
= 53,
651 aarch64_sys_fchownat
= 54,
652 aarch64_sys_fchown
= 55,
653 aarch64_sys_openat
= 56,
654 aarch64_sys_close
= 57,
655 aarch64_sys_vhangup
= 58,
656 aarch64_sys_pipe2
= 59,
657 aarch64_sys_quotactl
= 60,
658 aarch64_sys_getdents64
= 61,
659 aarch64_sys_lseek
= 62,
660 aarch64_sys_read
= 63,
661 aarch64_sys_write
= 64,
662 aarch64_sys_readv
= 65,
663 aarch64_sys_writev
= 66,
664 aarch64_sys_pread64
= 67,
665 aarch64_sys_pwrite64
= 68,
666 aarch64_sys_preadv
= 69,
667 aarch64_sys_pwritev
= 70,
668 aarch64_sys_sendfile
= 71,
669 aarch64_sys_pselect6
= 72,
670 aarch64_sys_ppoll
= 73,
671 aarch64_sys_signalfd4
= 74,
672 aarch64_sys_vmsplice
= 75,
673 aarch64_sys_splice
= 76,
674 aarch64_sys_tee
= 77,
675 aarch64_sys_readlinkat
= 78,
676 aarch64_sys_newfstatat
= 79,
677 aarch64_sys_fstat
= 80,
678 aarch64_sys_sync
= 81,
679 aarch64_sys_fsync
= 82,
680 aarch64_sys_fdatasync
= 83,
681 aarch64_sys_sync_file_range2
= 84,
682 aarch64_sys_sync_file_range
= 84,
683 aarch64_sys_timerfd_create
= 85,
684 aarch64_sys_timerfd_settime
= 86,
685 aarch64_sys_timerfd_gettime
= 87,
686 aarch64_sys_utimensat
= 88,
687 aarch64_sys_acct
= 89,
688 aarch64_sys_capget
= 90,
689 aarch64_sys_capset
= 91,
690 aarch64_sys_personality
= 92,
691 aarch64_sys_exit
= 93,
692 aarch64_sys_exit_group
= 94,
693 aarch64_sys_waitid
= 95,
694 aarch64_sys_set_tid_address
= 96,
695 aarch64_sys_unshare
= 97,
696 aarch64_sys_futex
= 98,
697 aarch64_sys_set_robust_list
= 99,
698 aarch64_sys_get_robust_list
= 100,
699 aarch64_sys_nanosleep
= 101,
700 aarch64_sys_getitimer
= 102,
701 aarch64_sys_setitimer
= 103,
702 aarch64_sys_kexec_load
= 104,
703 aarch64_sys_init_module
= 105,
704 aarch64_sys_delete_module
= 106,
705 aarch64_sys_timer_create
= 107,
706 aarch64_sys_timer_gettime
= 108,
707 aarch64_sys_timer_getoverrun
= 109,
708 aarch64_sys_timer_settime
= 110,
709 aarch64_sys_timer_delete
= 111,
710 aarch64_sys_clock_settime
= 112,
711 aarch64_sys_clock_gettime
= 113,
712 aarch64_sys_clock_getres
= 114,
713 aarch64_sys_clock_nanosleep
= 115,
714 aarch64_sys_syslog
= 116,
715 aarch64_sys_ptrace
= 117,
716 aarch64_sys_sched_setparam
= 118,
717 aarch64_sys_sched_setscheduler
= 119,
718 aarch64_sys_sched_getscheduler
= 120,
719 aarch64_sys_sched_getparam
= 121,
720 aarch64_sys_sched_setaffinity
= 122,
721 aarch64_sys_sched_getaffinity
= 123,
722 aarch64_sys_sched_yield
= 124,
723 aarch64_sys_sched_get_priority_max
= 125,
724 aarch64_sys_sched_get_priority_min
= 126,
725 aarch64_sys_sched_rr_get_interval
= 127,
726 aarch64_sys_kill
= 129,
727 aarch64_sys_tkill
= 130,
728 aarch64_sys_tgkill
= 131,
729 aarch64_sys_sigaltstack
= 132,
730 aarch64_sys_rt_sigsuspend
= 133,
731 aarch64_sys_rt_sigaction
= 134,
732 aarch64_sys_rt_sigprocmask
= 135,
733 aarch64_sys_rt_sigpending
= 136,
734 aarch64_sys_rt_sigtimedwait
= 137,
735 aarch64_sys_rt_sigqueueinfo
= 138,
736 aarch64_sys_rt_sigreturn
= 139,
737 aarch64_sys_setpriority
= 140,
738 aarch64_sys_getpriority
= 141,
739 aarch64_sys_reboot
= 142,
740 aarch64_sys_setregid
= 143,
741 aarch64_sys_setgid
= 144,
742 aarch64_sys_setreuid
= 145,
743 aarch64_sys_setuid
= 146,
744 aarch64_sys_setresuid
= 147,
745 aarch64_sys_getresuid
= 148,
746 aarch64_sys_setresgid
= 149,
747 aarch64_sys_getresgid
= 150,
748 aarch64_sys_setfsuid
= 151,
749 aarch64_sys_setfsgid
= 152,
750 aarch64_sys_times
= 153,
751 aarch64_sys_setpgid
= 154,
752 aarch64_sys_getpgid
= 155,
753 aarch64_sys_getsid
= 156,
754 aarch64_sys_setsid
= 157,
755 aarch64_sys_getgroups
= 158,
756 aarch64_sys_setgroups
= 159,
757 aarch64_sys_uname
= 160,
758 aarch64_sys_sethostname
= 161,
759 aarch64_sys_setdomainname
= 162,
760 aarch64_sys_getrlimit
= 163,
761 aarch64_sys_setrlimit
= 164,
762 aarch64_sys_getrusage
= 165,
763 aarch64_sys_umask
= 166,
764 aarch64_sys_prctl
= 167,
765 aarch64_sys_getcpu
= 168,
766 aarch64_sys_gettimeofday
= 169,
767 aarch64_sys_settimeofday
= 170,
768 aarch64_sys_adjtimex
= 171,
769 aarch64_sys_getpid
= 172,
770 aarch64_sys_getppid
= 173,
771 aarch64_sys_getuid
= 174,
772 aarch64_sys_geteuid
= 175,
773 aarch64_sys_getgid
= 176,
774 aarch64_sys_getegid
= 177,
775 aarch64_sys_gettid
= 178,
776 aarch64_sys_sysinfo
= 179,
777 aarch64_sys_mq_open
= 180,
778 aarch64_sys_mq_unlink
= 181,
779 aarch64_sys_mq_timedsend
= 182,
780 aarch64_sys_mq_timedreceive
= 183,
781 aarch64_sys_mq_notify
= 184,
782 aarch64_sys_mq_getsetattr
= 185,
783 aarch64_sys_msgget
= 186,
784 aarch64_sys_msgctl
= 187,
785 aarch64_sys_msgrcv
= 188,
786 aarch64_sys_msgsnd
= 189,
787 aarch64_sys_semget
= 190,
788 aarch64_sys_semctl
= 191,
789 aarch64_sys_semtimedop
= 192,
790 aarch64_sys_semop
= 193,
791 aarch64_sys_shmget
= 194,
792 aarch64_sys_shmctl
= 195,
793 aarch64_sys_shmat
= 196,
794 aarch64_sys_shmdt
= 197,
795 aarch64_sys_socket
= 198,
796 aarch64_sys_socketpair
= 199,
797 aarch64_sys_bind
= 200,
798 aarch64_sys_listen
= 201,
799 aarch64_sys_accept
= 202,
800 aarch64_sys_connect
= 203,
801 aarch64_sys_getsockname
= 204,
802 aarch64_sys_getpeername
= 205,
803 aarch64_sys_sendto
= 206,
804 aarch64_sys_recvfrom
= 207,
805 aarch64_sys_setsockopt
= 208,
806 aarch64_sys_getsockopt
= 209,
807 aarch64_sys_shutdown
= 210,
808 aarch64_sys_sendmsg
= 211,
809 aarch64_sys_recvmsg
= 212,
810 aarch64_sys_readahead
= 213,
811 aarch64_sys_brk
= 214,
812 aarch64_sys_munmap
= 215,
813 aarch64_sys_mremap
= 216,
814 aarch64_sys_add_key
= 217,
815 aarch64_sys_request_key
= 218,
816 aarch64_sys_keyctl
= 219,
817 aarch64_sys_clone
= 220,
818 aarch64_sys_execve
= 221,
819 aarch64_sys_mmap
= 222,
820 aarch64_sys_fadvise64
= 223,
821 aarch64_sys_swapon
= 224,
822 aarch64_sys_swapoff
= 225,
823 aarch64_sys_mprotect
= 226,
824 aarch64_sys_msync
= 227,
825 aarch64_sys_mlock
= 228,
826 aarch64_sys_munlock
= 229,
827 aarch64_sys_mlockall
= 230,
828 aarch64_sys_munlockall
= 231,
829 aarch64_sys_mincore
= 232,
830 aarch64_sys_madvise
= 233,
831 aarch64_sys_remap_file_pages
= 234,
832 aarch64_sys_mbind
= 235,
833 aarch64_sys_get_mempolicy
= 236,
834 aarch64_sys_set_mempolicy
= 237,
835 aarch64_sys_migrate_pages
= 238,
836 aarch64_sys_move_pages
= 239,
837 aarch64_sys_rt_tgsigqueueinfo
= 240,
838 aarch64_sys_perf_event_open
= 241,
839 aarch64_sys_accept4
= 242,
840 aarch64_sys_recvmmsg
= 243,
841 aarch64_sys_wait4
= 260,
842 aarch64_sys_prlimit64
= 261,
843 aarch64_sys_fanotify_init
= 262,
844 aarch64_sys_fanotify_mark
= 263,
845 aarch64_sys_name_to_handle_at
= 264,
846 aarch64_sys_open_by_handle_at
= 265,
847 aarch64_sys_clock_adjtime
= 266,
848 aarch64_sys_syncfs
= 267,
849 aarch64_sys_setns
= 268,
850 aarch64_sys_sendmmsg
= 269,
851 aarch64_sys_process_vm_readv
= 270,
852 aarch64_sys_process_vm_writev
= 271,
853 aarch64_sys_kcmp
= 272,
854 aarch64_sys_finit_module
= 273,
855 aarch64_sys_sched_setattr
= 274,
856 aarch64_sys_sched_getattr
= 275,
859 /* aarch64_canonicalize_syscall maps syscall ids from the native AArch64
860 linux set of syscall ids into a canonical set of syscall ids used by
863 static enum gdb_syscall
864 aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number
)
866 #define SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
867 return gdb_sys_##SYSCALL
869 #define UNSUPPORTED_SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
870 return gdb_sys_no_syscall
872 switch (syscall_number
)
874 SYSCALL_MAP (io_setup
);
875 SYSCALL_MAP (io_destroy
);
876 SYSCALL_MAP (io_submit
);
877 SYSCALL_MAP (io_cancel
);
878 SYSCALL_MAP (io_getevents
);
880 SYSCALL_MAP (setxattr
);
881 SYSCALL_MAP (lsetxattr
);
882 SYSCALL_MAP (fsetxattr
);
883 SYSCALL_MAP (getxattr
);
884 SYSCALL_MAP (lgetxattr
);
885 SYSCALL_MAP (fgetxattr
);
886 SYSCALL_MAP (listxattr
);
887 SYSCALL_MAP (llistxattr
);
888 SYSCALL_MAP (flistxattr
);
889 SYSCALL_MAP (removexattr
);
890 SYSCALL_MAP (lremovexattr
);
891 SYSCALL_MAP (fremovexattr
);
892 SYSCALL_MAP (getcwd
);
893 SYSCALL_MAP (lookup_dcookie
);
894 SYSCALL_MAP (eventfd2
);
895 SYSCALL_MAP (epoll_create1
);
896 SYSCALL_MAP (epoll_ctl
);
897 SYSCALL_MAP (epoll_pwait
);
901 SYSCALL_MAP (inotify_init1
);
902 SYSCALL_MAP (inotify_add_watch
);
903 SYSCALL_MAP (inotify_rm_watch
);
905 SYSCALL_MAP (ioprio_set
);
906 SYSCALL_MAP (ioprio_get
);
908 SYSCALL_MAP (mknodat
);
909 SYSCALL_MAP (mkdirat
);
910 SYSCALL_MAP (unlinkat
);
911 SYSCALL_MAP (symlinkat
);
912 SYSCALL_MAP (linkat
);
913 SYSCALL_MAP (renameat
);
914 UNSUPPORTED_SYSCALL_MAP (umount2
);
916 SYSCALL_MAP (pivot_root
);
917 SYSCALL_MAP (nfsservctl
);
918 SYSCALL_MAP (statfs
);
919 SYSCALL_MAP (truncate
);
920 SYSCALL_MAP (ftruncate
);
921 SYSCALL_MAP (fallocate
);
922 SYSCALL_MAP (faccessat
);
923 SYSCALL_MAP (fchdir
);
924 SYSCALL_MAP (chroot
);
925 SYSCALL_MAP (fchmod
);
926 SYSCALL_MAP (fchmodat
);
927 SYSCALL_MAP (fchownat
);
928 SYSCALL_MAP (fchown
);
929 SYSCALL_MAP (openat
);
931 SYSCALL_MAP (vhangup
);
933 SYSCALL_MAP (quotactl
);
934 SYSCALL_MAP (getdents64
);
939 SYSCALL_MAP (writev
);
940 SYSCALL_MAP (pread64
);
941 SYSCALL_MAP (pwrite64
);
942 UNSUPPORTED_SYSCALL_MAP (preadv
);
943 UNSUPPORTED_SYSCALL_MAP (pwritev
);
944 SYSCALL_MAP (sendfile
);
945 SYSCALL_MAP (pselect6
);
947 UNSUPPORTED_SYSCALL_MAP (signalfd4
);
948 SYSCALL_MAP (vmsplice
);
949 SYSCALL_MAP (splice
);
951 SYSCALL_MAP (readlinkat
);
952 SYSCALL_MAP (newfstatat
);
957 SYSCALL_MAP (fdatasync
);
958 SYSCALL_MAP (sync_file_range
);
959 UNSUPPORTED_SYSCALL_MAP (timerfd_create
);
960 UNSUPPORTED_SYSCALL_MAP (timerfd_settime
);
961 UNSUPPORTED_SYSCALL_MAP (timerfd_gettime
);
962 UNSUPPORTED_SYSCALL_MAP (utimensat
);
964 SYSCALL_MAP (capget
);
965 SYSCALL_MAP (capset
);
966 SYSCALL_MAP (personality
);
968 SYSCALL_MAP (exit_group
);
969 SYSCALL_MAP (waitid
);
970 SYSCALL_MAP (set_tid_address
);
971 SYSCALL_MAP (unshare
);
973 SYSCALL_MAP (set_robust_list
);
974 SYSCALL_MAP (get_robust_list
);
975 SYSCALL_MAP (nanosleep
);
977 SYSCALL_MAP (getitimer
);
978 SYSCALL_MAP (setitimer
);
979 SYSCALL_MAP (kexec_load
);
980 SYSCALL_MAP (init_module
);
981 SYSCALL_MAP (delete_module
);
982 SYSCALL_MAP (timer_create
);
983 SYSCALL_MAP (timer_settime
);
984 SYSCALL_MAP (timer_gettime
);
985 SYSCALL_MAP (timer_getoverrun
);
986 SYSCALL_MAP (timer_delete
);
987 SYSCALL_MAP (clock_settime
);
988 SYSCALL_MAP (clock_gettime
);
989 SYSCALL_MAP (clock_getres
);
990 SYSCALL_MAP (clock_nanosleep
);
991 SYSCALL_MAP (syslog
);
992 SYSCALL_MAP (ptrace
);
993 SYSCALL_MAP (sched_setparam
);
994 SYSCALL_MAP (sched_setscheduler
);
995 SYSCALL_MAP (sched_getscheduler
);
996 SYSCALL_MAP (sched_getparam
);
997 SYSCALL_MAP (sched_setaffinity
);
998 SYSCALL_MAP (sched_getaffinity
);
999 SYSCALL_MAP (sched_yield
);
1000 SYSCALL_MAP (sched_get_priority_max
);
1001 SYSCALL_MAP (sched_get_priority_min
);
1002 SYSCALL_MAP (sched_rr_get_interval
);
1004 SYSCALL_MAP (tkill
);
1005 SYSCALL_MAP (tgkill
);
1006 SYSCALL_MAP (sigaltstack
);
1007 SYSCALL_MAP (rt_sigsuspend
);
1008 SYSCALL_MAP (rt_sigaction
);
1009 SYSCALL_MAP (rt_sigprocmask
);
1010 SYSCALL_MAP (rt_sigpending
);
1011 SYSCALL_MAP (rt_sigtimedwait
);
1012 SYSCALL_MAP (rt_sigqueueinfo
);
1013 SYSCALL_MAP (rt_sigreturn
);
1014 SYSCALL_MAP (setpriority
);
1015 SYSCALL_MAP (getpriority
);
1016 SYSCALL_MAP (reboot
);
1017 SYSCALL_MAP (setregid
);
1018 SYSCALL_MAP (setgid
);
1019 SYSCALL_MAP (setreuid
);
1020 SYSCALL_MAP (setuid
);
1021 SYSCALL_MAP (setresuid
);
1022 SYSCALL_MAP (getresuid
);
1023 SYSCALL_MAP (setresgid
);
1024 SYSCALL_MAP (getresgid
);
1025 SYSCALL_MAP (setfsuid
);
1026 SYSCALL_MAP (setfsgid
);
1027 SYSCALL_MAP (times
);
1028 SYSCALL_MAP (setpgid
);
1029 SYSCALL_MAP (getpgid
);
1030 SYSCALL_MAP (getsid
);
1031 SYSCALL_MAP (setsid
);
1032 SYSCALL_MAP (getgroups
);
1033 SYSCALL_MAP (setgroups
);
1034 SYSCALL_MAP (uname
);
1035 SYSCALL_MAP (sethostname
);
1036 SYSCALL_MAP (setdomainname
);
1037 SYSCALL_MAP (getrlimit
);
1038 SYSCALL_MAP (setrlimit
);
1039 SYSCALL_MAP (getrusage
);
1040 SYSCALL_MAP (umask
);
1041 SYSCALL_MAP (prctl
);
1042 SYSCALL_MAP (getcpu
);
1043 SYSCALL_MAP (gettimeofday
);
1044 SYSCALL_MAP (settimeofday
);
1045 SYSCALL_MAP (adjtimex
);
1046 SYSCALL_MAP (getpid
);
1047 SYSCALL_MAP (getppid
);
1048 SYSCALL_MAP (getuid
);
1049 SYSCALL_MAP (geteuid
);
1050 SYSCALL_MAP (getgid
);
1051 SYSCALL_MAP (getegid
);
1052 SYSCALL_MAP (gettid
);
1053 SYSCALL_MAP (sysinfo
);
1054 SYSCALL_MAP (mq_open
);
1055 SYSCALL_MAP (mq_unlink
);
1056 SYSCALL_MAP (mq_timedsend
);
1057 SYSCALL_MAP (mq_timedreceive
);
1058 SYSCALL_MAP (mq_notify
);
1059 SYSCALL_MAP (mq_getsetattr
);
1060 SYSCALL_MAP (msgget
);
1061 SYSCALL_MAP (msgctl
);
1062 SYSCALL_MAP (msgrcv
);
1063 SYSCALL_MAP (msgsnd
);
1064 SYSCALL_MAP (semget
);
1065 SYSCALL_MAP (semctl
);
1066 SYSCALL_MAP (semtimedop
);
1067 SYSCALL_MAP (semop
);
1068 SYSCALL_MAP (shmget
);
1069 SYSCALL_MAP (shmctl
);
1070 SYSCALL_MAP (shmat
);
1071 SYSCALL_MAP (shmdt
);
1072 SYSCALL_MAP (socket
);
1073 SYSCALL_MAP (socketpair
);
1075 SYSCALL_MAP (listen
);
1076 SYSCALL_MAP (accept
);
1077 SYSCALL_MAP (connect
);
1078 SYSCALL_MAP (getsockname
);
1079 SYSCALL_MAP (getpeername
);
1080 SYSCALL_MAP (sendto
);
1081 SYSCALL_MAP (recvfrom
);
1082 SYSCALL_MAP (setsockopt
);
1083 SYSCALL_MAP (getsockopt
);
1084 SYSCALL_MAP (shutdown
);
1085 SYSCALL_MAP (sendmsg
);
1086 SYSCALL_MAP (recvmsg
);
1087 SYSCALL_MAP (readahead
);
1089 SYSCALL_MAP (munmap
);
1090 SYSCALL_MAP (mremap
);
1091 SYSCALL_MAP (add_key
);
1092 SYSCALL_MAP (request_key
);
1093 SYSCALL_MAP (keyctl
);
1094 SYSCALL_MAP (clone
);
1095 SYSCALL_MAP (execve
);
1097 case aarch64_sys_mmap
:
1098 return gdb_sys_mmap2
;
1100 SYSCALL_MAP (fadvise64
);
1101 SYSCALL_MAP (swapon
);
1102 SYSCALL_MAP (swapoff
);
1103 SYSCALL_MAP (mprotect
);
1104 SYSCALL_MAP (msync
);
1105 SYSCALL_MAP (mlock
);
1106 SYSCALL_MAP (munlock
);
1107 SYSCALL_MAP (mlockall
);
1108 SYSCALL_MAP (munlockall
);
1109 SYSCALL_MAP (mincore
);
1110 SYSCALL_MAP (madvise
);
1111 SYSCALL_MAP (remap_file_pages
);
1112 SYSCALL_MAP (mbind
);
1113 SYSCALL_MAP (get_mempolicy
);
1114 SYSCALL_MAP (set_mempolicy
);
1115 SYSCALL_MAP (migrate_pages
);
1116 SYSCALL_MAP (move_pages
);
1117 UNSUPPORTED_SYSCALL_MAP (rt_tgsigqueueinfo
);
1118 UNSUPPORTED_SYSCALL_MAP (perf_event_open
);
1119 UNSUPPORTED_SYSCALL_MAP (accept4
);
1120 UNSUPPORTED_SYSCALL_MAP (recvmmsg
);
1122 SYSCALL_MAP (wait4
);
1124 UNSUPPORTED_SYSCALL_MAP (prlimit64
);
1125 UNSUPPORTED_SYSCALL_MAP (fanotify_init
);
1126 UNSUPPORTED_SYSCALL_MAP (fanotify_mark
);
1127 UNSUPPORTED_SYSCALL_MAP (name_to_handle_at
);
1128 UNSUPPORTED_SYSCALL_MAP (open_by_handle_at
);
1129 UNSUPPORTED_SYSCALL_MAP (clock_adjtime
);
1130 UNSUPPORTED_SYSCALL_MAP (syncfs
);
1131 UNSUPPORTED_SYSCALL_MAP (setns
);
1132 UNSUPPORTED_SYSCALL_MAP (sendmmsg
);
1133 UNSUPPORTED_SYSCALL_MAP (process_vm_readv
);
1134 UNSUPPORTED_SYSCALL_MAP (process_vm_writev
);
1135 UNSUPPORTED_SYSCALL_MAP (kcmp
);
1136 UNSUPPORTED_SYSCALL_MAP (finit_module
);
1137 UNSUPPORTED_SYSCALL_MAP (sched_setattr
);
1138 UNSUPPORTED_SYSCALL_MAP (sched_getattr
);
1140 return gdb_sys_no_syscall
;
1144 /* Record all registers but PC register for process-record. */
1147 aarch64_all_but_pc_registers_record (struct regcache
*regcache
)
1151 for (i
= AARCH64_X0_REGNUM
; i
< AARCH64_PC_REGNUM
; i
++)
1152 if (record_full_arch_list_add_reg (regcache
, i
))
1155 if (record_full_arch_list_add_reg (regcache
, AARCH64_CPSR_REGNUM
))
1161 /* Handler for aarch64 system call instruction recording. */
1164 aarch64_linux_syscall_record (struct regcache
*regcache
,
1165 unsigned long svc_number
)
1168 enum gdb_syscall syscall_gdb
;
1171 aarch64_canonicalize_syscall ((enum aarch64_syscall
) svc_number
);
1173 if (syscall_gdb
< 0)
1175 printf_unfiltered (_("Process record and replay target doesn't "
1176 "support syscall number %s\n"),
1177 plongest (svc_number
));
1181 if (syscall_gdb
== gdb_sys_sigreturn
1182 || syscall_gdb
== gdb_sys_rt_sigreturn
)
1184 if (aarch64_all_but_pc_registers_record (regcache
))
1189 ret
= record_linux_system_call (syscall_gdb
, regcache
,
1190 &aarch64_linux_record_tdep
);
1194 /* Record the return value of the system call. */
1195 if (record_full_arch_list_add_reg (regcache
, AARCH64_X0_REGNUM
))
1198 if (record_full_arch_list_add_reg (regcache
, AARCH64_LR_REGNUM
))
1201 if (record_full_arch_list_add_reg (regcache
, AARCH64_CPSR_REGNUM
))
1207 /* Implement the "gcc_target_options" gdbarch method. */
1210 aarch64_linux_gcc_target_options (struct gdbarch
*gdbarch
)
1212 /* GCC doesn't know "-m64". */
1217 aarch64_linux_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
1219 static const char *const stap_integer_prefixes
[] = { "#", "", NULL
};
1220 static const char *const stap_register_prefixes
[] = { "", NULL
};
1221 static const char *const stap_register_indirection_prefixes
[] = { "[",
1223 static const char *const stap_register_indirection_suffixes
[] = { "]",
1225 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1227 tdep
->lowest_pc
= 0x8000;
1229 linux_init_abi (info
, gdbarch
);
1231 set_solib_svr4_fetch_link_map_offsets (gdbarch
,
1232 svr4_lp64_fetch_link_map_offsets
);
1234 /* Enable TLS support. */
1235 set_gdbarch_fetch_tls_load_module_address (gdbarch
,
1236 svr4_fetch_objfile_link_map
);
1238 /* Shared library handling. */
1239 set_gdbarch_skip_trampoline_code (gdbarch
, find_solib_trampoline_target
);
1240 set_gdbarch_skip_solib_resolver (gdbarch
, glibc_skip_solib_resolver
);
1242 tramp_frame_prepend_unwinder (gdbarch
, &aarch64_linux_rt_sigframe
);
1244 /* Enable longjmp. */
1247 set_gdbarch_iterate_over_regset_sections
1248 (gdbarch
, aarch64_linux_iterate_over_regset_sections
);
1249 set_gdbarch_core_read_description
1250 (gdbarch
, aarch64_linux_core_read_description
);
1252 /* SystemTap related. */
1253 set_gdbarch_stap_integer_prefixes (gdbarch
, stap_integer_prefixes
);
1254 set_gdbarch_stap_register_prefixes (gdbarch
, stap_register_prefixes
);
1255 set_gdbarch_stap_register_indirection_prefixes (gdbarch
,
1256 stap_register_indirection_prefixes
);
1257 set_gdbarch_stap_register_indirection_suffixes (gdbarch
,
1258 stap_register_indirection_suffixes
);
1259 set_gdbarch_stap_is_single_operand (gdbarch
, aarch64_stap_is_single_operand
);
1260 set_gdbarch_stap_parse_special_token (gdbarch
,
1261 aarch64_stap_parse_special_token
);
1263 /* Reversible debugging, process record. */
1264 set_gdbarch_process_record (gdbarch
, aarch64_process_record
);
1265 /* Syscall record. */
1266 tdep
->aarch64_syscall_record
= aarch64_linux_syscall_record
;
1268 /* The top byte of a user space address known as the "tag",
1269 is ignored by the kernel and can be regarded as additional
1270 data associated with the address. */
1271 set_gdbarch_significant_addr_bit (gdbarch
, 56);
1273 /* Initialize the aarch64_linux_record_tdep. */
1274 /* These values are the size of the type that will be used in a system
1275 call. They are obtained from Linux Kernel source. */
1276 aarch64_linux_record_tdep
.size_pointer
1277 = gdbarch_ptr_bit (gdbarch
) / TARGET_CHAR_BIT
;
1278 aarch64_linux_record_tdep
.size__old_kernel_stat
= 32;
1279 aarch64_linux_record_tdep
.size_tms
= 32;
1280 aarch64_linux_record_tdep
.size_loff_t
= 8;
1281 aarch64_linux_record_tdep
.size_flock
= 32;
1282 aarch64_linux_record_tdep
.size_oldold_utsname
= 45;
1283 aarch64_linux_record_tdep
.size_ustat
= 32;
1284 aarch64_linux_record_tdep
.size_old_sigaction
= 32;
1285 aarch64_linux_record_tdep
.size_old_sigset_t
= 8;
1286 aarch64_linux_record_tdep
.size_rlimit
= 16;
1287 aarch64_linux_record_tdep
.size_rusage
= 144;
1288 aarch64_linux_record_tdep
.size_timeval
= 16;
1289 aarch64_linux_record_tdep
.size_timezone
= 8;
1290 aarch64_linux_record_tdep
.size_old_gid_t
= 2;
1291 aarch64_linux_record_tdep
.size_old_uid_t
= 2;
1292 aarch64_linux_record_tdep
.size_fd_set
= 128;
1293 aarch64_linux_record_tdep
.size_old_dirent
= 280;
1294 aarch64_linux_record_tdep
.size_statfs
= 120;
1295 aarch64_linux_record_tdep
.size_statfs64
= 120;
1296 aarch64_linux_record_tdep
.size_sockaddr
= 16;
1297 aarch64_linux_record_tdep
.size_int
1298 = gdbarch_int_bit (gdbarch
) / TARGET_CHAR_BIT
;
1299 aarch64_linux_record_tdep
.size_long
1300 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1301 aarch64_linux_record_tdep
.size_ulong
1302 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1303 aarch64_linux_record_tdep
.size_msghdr
= 56;
1304 aarch64_linux_record_tdep
.size_itimerval
= 32;
1305 aarch64_linux_record_tdep
.size_stat
= 144;
1306 aarch64_linux_record_tdep
.size_old_utsname
= 325;
1307 aarch64_linux_record_tdep
.size_sysinfo
= 112;
1308 aarch64_linux_record_tdep
.size_msqid_ds
= 120;
1309 aarch64_linux_record_tdep
.size_shmid_ds
= 112;
1310 aarch64_linux_record_tdep
.size_new_utsname
= 390;
1311 aarch64_linux_record_tdep
.size_timex
= 208;
1312 aarch64_linux_record_tdep
.size_mem_dqinfo
= 24;
1313 aarch64_linux_record_tdep
.size_if_dqblk
= 72;
1314 aarch64_linux_record_tdep
.size_fs_quota_stat
= 80;
1315 aarch64_linux_record_tdep
.size_timespec
= 16;
1316 aarch64_linux_record_tdep
.size_pollfd
= 8;
1317 aarch64_linux_record_tdep
.size_NFS_FHSIZE
= 32;
1318 aarch64_linux_record_tdep
.size_knfsd_fh
= 132;
1319 aarch64_linux_record_tdep
.size_TASK_COMM_LEN
= 16;
1320 aarch64_linux_record_tdep
.size_sigaction
= 32;
1321 aarch64_linux_record_tdep
.size_sigset_t
= 8;
1322 aarch64_linux_record_tdep
.size_siginfo_t
= 128;
1323 aarch64_linux_record_tdep
.size_cap_user_data_t
= 8;
1324 aarch64_linux_record_tdep
.size_stack_t
= 24;
1325 aarch64_linux_record_tdep
.size_off_t
= 8;
1326 aarch64_linux_record_tdep
.size_stat64
= 144;
1327 aarch64_linux_record_tdep
.size_gid_t
= 4;
1328 aarch64_linux_record_tdep
.size_uid_t
= 4;
1329 aarch64_linux_record_tdep
.size_PAGE_SIZE
= 4096;
1330 aarch64_linux_record_tdep
.size_flock64
= 32;
1331 aarch64_linux_record_tdep
.size_user_desc
= 16;
1332 aarch64_linux_record_tdep
.size_io_event
= 32;
1333 aarch64_linux_record_tdep
.size_iocb
= 64;
1334 aarch64_linux_record_tdep
.size_epoll_event
= 12;
1335 aarch64_linux_record_tdep
.size_itimerspec
= 32;
1336 aarch64_linux_record_tdep
.size_mq_attr
= 64;
1337 aarch64_linux_record_tdep
.size_termios
= 36;
1338 aarch64_linux_record_tdep
.size_termios2
= 44;
1339 aarch64_linux_record_tdep
.size_pid_t
= 4;
1340 aarch64_linux_record_tdep
.size_winsize
= 8;
1341 aarch64_linux_record_tdep
.size_serial_struct
= 72;
1342 aarch64_linux_record_tdep
.size_serial_icounter_struct
= 80;
1343 aarch64_linux_record_tdep
.size_hayes_esp_config
= 12;
1344 aarch64_linux_record_tdep
.size_size_t
= 8;
1345 aarch64_linux_record_tdep
.size_iovec
= 16;
1346 aarch64_linux_record_tdep
.size_time_t
= 8;
1348 /* These values are the second argument of system call "sys_ioctl".
1349 They are obtained from Linux Kernel source. */
1350 aarch64_linux_record_tdep
.ioctl_TCGETS
= 0x5401;
1351 aarch64_linux_record_tdep
.ioctl_TCSETS
= 0x5402;
1352 aarch64_linux_record_tdep
.ioctl_TCSETSW
= 0x5403;
1353 aarch64_linux_record_tdep
.ioctl_TCSETSF
= 0x5404;
1354 aarch64_linux_record_tdep
.ioctl_TCGETA
= 0x5405;
1355 aarch64_linux_record_tdep
.ioctl_TCSETA
= 0x5406;
1356 aarch64_linux_record_tdep
.ioctl_TCSETAW
= 0x5407;
1357 aarch64_linux_record_tdep
.ioctl_TCSETAF
= 0x5408;
1358 aarch64_linux_record_tdep
.ioctl_TCSBRK
= 0x5409;
1359 aarch64_linux_record_tdep
.ioctl_TCXONC
= 0x540a;
1360 aarch64_linux_record_tdep
.ioctl_TCFLSH
= 0x540b;
1361 aarch64_linux_record_tdep
.ioctl_TIOCEXCL
= 0x540c;
1362 aarch64_linux_record_tdep
.ioctl_TIOCNXCL
= 0x540d;
1363 aarch64_linux_record_tdep
.ioctl_TIOCSCTTY
= 0x540e;
1364 aarch64_linux_record_tdep
.ioctl_TIOCGPGRP
= 0x540f;
1365 aarch64_linux_record_tdep
.ioctl_TIOCSPGRP
= 0x5410;
1366 aarch64_linux_record_tdep
.ioctl_TIOCOUTQ
= 0x5411;
1367 aarch64_linux_record_tdep
.ioctl_TIOCSTI
= 0x5412;
1368 aarch64_linux_record_tdep
.ioctl_TIOCGWINSZ
= 0x5413;
1369 aarch64_linux_record_tdep
.ioctl_TIOCSWINSZ
= 0x5414;
1370 aarch64_linux_record_tdep
.ioctl_TIOCMGET
= 0x5415;
1371 aarch64_linux_record_tdep
.ioctl_TIOCMBIS
= 0x5416;
1372 aarch64_linux_record_tdep
.ioctl_TIOCMBIC
= 0x5417;
1373 aarch64_linux_record_tdep
.ioctl_TIOCMSET
= 0x5418;
1374 aarch64_linux_record_tdep
.ioctl_TIOCGSOFTCAR
= 0x5419;
1375 aarch64_linux_record_tdep
.ioctl_TIOCSSOFTCAR
= 0x541a;
1376 aarch64_linux_record_tdep
.ioctl_FIONREAD
= 0x541b;
1377 aarch64_linux_record_tdep
.ioctl_TIOCINQ
= 0x541b;
1378 aarch64_linux_record_tdep
.ioctl_TIOCLINUX
= 0x541c;
1379 aarch64_linux_record_tdep
.ioctl_TIOCCONS
= 0x541d;
1380 aarch64_linux_record_tdep
.ioctl_TIOCGSERIAL
= 0x541e;
1381 aarch64_linux_record_tdep
.ioctl_TIOCSSERIAL
= 0x541f;
1382 aarch64_linux_record_tdep
.ioctl_TIOCPKT
= 0x5420;
1383 aarch64_linux_record_tdep
.ioctl_FIONBIO
= 0x5421;
1384 aarch64_linux_record_tdep
.ioctl_TIOCNOTTY
= 0x5422;
1385 aarch64_linux_record_tdep
.ioctl_TIOCSETD
= 0x5423;
1386 aarch64_linux_record_tdep
.ioctl_TIOCGETD
= 0x5424;
1387 aarch64_linux_record_tdep
.ioctl_TCSBRKP
= 0x5425;
1388 aarch64_linux_record_tdep
.ioctl_TIOCTTYGSTRUCT
= 0x5426;
1389 aarch64_linux_record_tdep
.ioctl_TIOCSBRK
= 0x5427;
1390 aarch64_linux_record_tdep
.ioctl_TIOCCBRK
= 0x5428;
1391 aarch64_linux_record_tdep
.ioctl_TIOCGSID
= 0x5429;
1392 aarch64_linux_record_tdep
.ioctl_TCGETS2
= 0x802c542a;
1393 aarch64_linux_record_tdep
.ioctl_TCSETS2
= 0x402c542b;
1394 aarch64_linux_record_tdep
.ioctl_TCSETSW2
= 0x402c542c;
1395 aarch64_linux_record_tdep
.ioctl_TCSETSF2
= 0x402c542d;
1396 aarch64_linux_record_tdep
.ioctl_TIOCGPTN
= 0x80045430;
1397 aarch64_linux_record_tdep
.ioctl_TIOCSPTLCK
= 0x40045431;
1398 aarch64_linux_record_tdep
.ioctl_FIONCLEX
= 0x5450;
1399 aarch64_linux_record_tdep
.ioctl_FIOCLEX
= 0x5451;
1400 aarch64_linux_record_tdep
.ioctl_FIOASYNC
= 0x5452;
1401 aarch64_linux_record_tdep
.ioctl_TIOCSERCONFIG
= 0x5453;
1402 aarch64_linux_record_tdep
.ioctl_TIOCSERGWILD
= 0x5454;
1403 aarch64_linux_record_tdep
.ioctl_TIOCSERSWILD
= 0x5455;
1404 aarch64_linux_record_tdep
.ioctl_TIOCGLCKTRMIOS
= 0x5456;
1405 aarch64_linux_record_tdep
.ioctl_TIOCSLCKTRMIOS
= 0x5457;
1406 aarch64_linux_record_tdep
.ioctl_TIOCSERGSTRUCT
= 0x5458;
1407 aarch64_linux_record_tdep
.ioctl_TIOCSERGETLSR
= 0x5459;
1408 aarch64_linux_record_tdep
.ioctl_TIOCSERGETMULTI
= 0x545a;
1409 aarch64_linux_record_tdep
.ioctl_TIOCSERSETMULTI
= 0x545b;
1410 aarch64_linux_record_tdep
.ioctl_TIOCMIWAIT
= 0x545c;
1411 aarch64_linux_record_tdep
.ioctl_TIOCGICOUNT
= 0x545d;
1412 aarch64_linux_record_tdep
.ioctl_TIOCGHAYESESP
= 0x545e;
1413 aarch64_linux_record_tdep
.ioctl_TIOCSHAYESESP
= 0x545f;
1414 aarch64_linux_record_tdep
.ioctl_FIOQSIZE
= 0x5460;
1416 /* These values are the second argument of system call "sys_fcntl"
1417 and "sys_fcntl64". They are obtained from Linux Kernel source. */
1418 aarch64_linux_record_tdep
.fcntl_F_GETLK
= 5;
1419 aarch64_linux_record_tdep
.fcntl_F_GETLK64
= 12;
1420 aarch64_linux_record_tdep
.fcntl_F_SETLK64
= 13;
1421 aarch64_linux_record_tdep
.fcntl_F_SETLKW64
= 14;
1423 /* The AArch64 syscall calling convention: reg x0-x6 for arguments,
1424 reg x8 for syscall number and return value in reg x0. */
1425 aarch64_linux_record_tdep
.arg1
= AARCH64_X0_REGNUM
+ 0;
1426 aarch64_linux_record_tdep
.arg2
= AARCH64_X0_REGNUM
+ 1;
1427 aarch64_linux_record_tdep
.arg3
= AARCH64_X0_REGNUM
+ 2;
1428 aarch64_linux_record_tdep
.arg4
= AARCH64_X0_REGNUM
+ 3;
1429 aarch64_linux_record_tdep
.arg5
= AARCH64_X0_REGNUM
+ 4;
1430 aarch64_linux_record_tdep
.arg6
= AARCH64_X0_REGNUM
+ 5;
1431 aarch64_linux_record_tdep
.arg7
= AARCH64_X0_REGNUM
+ 6;
1433 /* `catch syscall' */
1434 set_xml_syscall_file_name (gdbarch
, "syscalls/aarch64-linux.xml");
1435 set_gdbarch_get_syscall_number (gdbarch
, aarch64_linux_get_syscall_number
);
1437 /* Displaced stepping. */
1438 set_gdbarch_max_insn_length (gdbarch
, 4 * DISPLACED_MODIFIED_INSNS
);
1439 set_gdbarch_displaced_step_copy_insn (gdbarch
,
1440 aarch64_displaced_step_copy_insn
);
1441 set_gdbarch_displaced_step_fixup (gdbarch
, aarch64_displaced_step_fixup
);
1442 set_gdbarch_displaced_step_location (gdbarch
, linux_displaced_step_location
);
1443 set_gdbarch_displaced_step_hw_singlestep (gdbarch
,
1444 aarch64_displaced_step_hw_singlestep
);
1446 set_gdbarch_gcc_target_options (gdbarch
, aarch64_linux_gcc_target_options
);
1450 _initialize_aarch64_linux_tdep (void)
1452 gdbarch_register_osabi (bfd_arch_aarch64
, 0, GDB_OSABI_LINUX
,
1453 aarch64_linux_init_abi
);