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 #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=%ld)"), vq);
290 warning (_("SVE Vector length in core file is invalid. (VQ=%ld"), vq);
297 /* Supply register REGNUM from BUF to REGCACHE, using the register map
298 in REGSET. If REGNUM is -1, do this for all registers in REGSET.
299 If BUF is NULL, set the registers to "unavailable" status. */
302 aarch64_linux_supply_sve_regset (const struct regset *regset,
303 struct regcache *regcache,
304 int regnum, const void *buf, size_t size)
306 gdb_byte *header = (gdb_byte *) buf;
307 struct gdbarch *gdbarch = regcache->arch ();
308 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
311 return regcache->supply_regset (regset, regnum, nullptr, size);
312 gdb_assert (size > SVE_HEADER_SIZE);
314 /* BUF contains an SVE header followed by a register dump of either the
315 passed in SVE regset or a NEON fpregset. */
317 /* Extract required fields from the header. */
318 uint64_t vl = extract_unsigned_integer (header + SVE_HEADER_VL_OFFSET,
319 SVE_HEADER_VL_LENGTH, byte_order);
320 uint16_t flags = extract_unsigned_integer (header + SVE_HEADER_FLAGS_OFFSET,
321 SVE_HEADER_FLAGS_LENGTH,
324 if (regnum == -1 || regnum == AARCH64_SVE_VG_REGNUM)
326 gdb_byte vg_target[8];
327 store_integer ((gdb_byte *)&vg_target, sizeof (uint64_t), byte_order,
328 sve_vg_from_vl (vl));
329 regcache->raw_supply (AARCH64_SVE_VG_REGNUM, &vg_target);
332 if (flags & SVE_HEADER_FLAG_SVE)
334 /* Register dump is a SVE structure. */
335 regcache->supply_regset (regset, regnum,
336 (gdb_byte *) buf + SVE_HEADER_SIZE,
337 size - SVE_HEADER_SIZE);
341 /* Register dump is a fpsimd structure. First clear the SVE
343 for (int i = 0; i < AARCH64_SVE_Z_REGS_NUM; i++)
344 regcache->raw_supply_zeroed (AARCH64_SVE_Z0_REGNUM + i);
345 for (int i = 0; i < AARCH64_SVE_P_REGS_NUM; i++)
346 regcache->raw_supply_zeroed (AARCH64_SVE_P0_REGNUM + i);
347 regcache->raw_supply_zeroed (AARCH64_SVE_FFR_REGNUM);
349 /* Then supply the fpsimd registers. */
350 regcache->supply_regset (&aarch64_linux_fpregset, regnum,
351 (gdb_byte *) buf + SVE_HEADER_SIZE,
352 size - SVE_HEADER_SIZE);
356 /* Collect register REGNUM from REGCACHE to BUF, using the register
357 map in REGSET. If REGNUM is -1, do this for all registers in
361 aarch64_linux_collect_sve_regset (const struct regset *regset,
362 const struct regcache *regcache,
363 int regnum, void *buf, size_t size)
365 gdb_byte *header = (gdb_byte *) buf;
366 struct gdbarch *gdbarch = regcache->arch ();
367 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
368 uint64_t vq = gdbarch_tdep (gdbarch)->vq;
370 gdb_assert (buf != NULL);
371 gdb_assert (size > SVE_HEADER_SIZE);
373 /* BUF starts with a SVE header prior to the register dump. */
375 store_unsigned_integer (header + SVE_HEADER_SIZE_OFFSET,
376 SVE_HEADER_SIZE_LENGTH, byte_order, size);
377 store_unsigned_integer (header + SVE_HEADER_MAX_SIZE_OFFSET,
378 SVE_HEADER_MAX_SIZE_LENGTH, byte_order, size);
379 store_unsigned_integer (header + SVE_HEADER_VL_OFFSET, SVE_HEADER_VL_LENGTH,
380 byte_order, sve_vl_from_vq (vq));
381 store_unsigned_integer (header + SVE_HEADER_MAX_VL_OFFSET,
382 SVE_HEADER_MAX_VL_LENGTH, byte_order,
383 sve_vl_from_vq (vq));
384 store_unsigned_integer (header + SVE_HEADER_FLAGS_OFFSET,
385 SVE_HEADER_FLAGS_LENGTH, byte_order,
386 SVE_HEADER_FLAG_SVE);
387 store_unsigned_integer (header + SVE_HEADER_RESERVED_OFFSET,
388 SVE_HEADER_RESERVED_LENGTH, byte_order, 0);
390 /* The SVE register dump follows. */
391 regcache->collect_regset (regset, regnum, (gdb_byte *) buf + SVE_HEADER_SIZE,
392 size - SVE_HEADER_SIZE);
395 /* Implement the "regset_from_core_section" gdbarch method. */
398 aarch64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
399 iterate_over_regset_sections_cb *cb,
401 const struct regcache *regcache)
403 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
405 cb (".reg", AARCH64_LINUX_SIZEOF_GREGSET, AARCH64_LINUX_SIZEOF_GREGSET,
406 &aarch64_linux_gregset, NULL, cb_data);
408 if (tdep->has_sve ())
410 /* Create this on the fly in order to handle vector register sizes. */
411 const struct regcache_map_entry sve_regmap[] =
413 { 32, AARCH64_SVE_Z0_REGNUM, tdep->vq * 16 },
414 { 16, AARCH64_SVE_P0_REGNUM, tdep->vq * 16 / 8 },
415 { 1, AARCH64_SVE_FFR_REGNUM, 4 },
416 { 1, AARCH64_FPSR_REGNUM, 4 },
417 { 1, AARCH64_FPCR_REGNUM, 4 },
421 const struct regset aarch64_linux_sve_regset =
424 aarch64_linux_supply_sve_regset, aarch64_linux_collect_sve_regset,
428 cb (".reg-aarch-sve",
429 SVE_HEADER_SIZE + regcache_map_entry_size (aarch64_linux_fpregmap),
430 SVE_HEADER_SIZE + regcache_map_entry_size (sve_regmap),
431 &aarch64_linux_sve_regset, "SVE registers", cb_data);
434 cb (".reg2", AARCH64_LINUX_SIZEOF_FPREGSET, AARCH64_LINUX_SIZEOF_FPREGSET,
435 &aarch64_linux_fpregset, NULL, cb_data);
438 /* Implement the "core_read_description" gdbarch method. */
440 static const struct target_desc *
441 aarch64_linux_core_read_description (struct gdbarch *gdbarch,
442 struct target_ops *target, bfd *abfd)
444 CORE_ADDR aarch64_hwcap = 0;
446 if (target_auxv_search (target, AT_HWCAP, &aarch64_hwcap) != 1)
449 return aarch64_read_description (aarch64_linux_core_read_vq (gdbarch, abfd));
452 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
456 aarch64_stap_is_single_operand (struct gdbarch *gdbarch, const char *s)
458 return (*s == '#' || isdigit (*s) /* Literal number. */
459 || *s == '[' /* Register indirection. */
460 || isalpha (*s)); /* Register value. */
463 /* This routine is used to parse a special token in AArch64's assembly.
465 The special tokens parsed by it are:
467 - Register displacement (e.g, [fp, #-8])
469 It returns one if the special token has been parsed successfully,
470 or zero if the current token is not considered special. */
473 aarch64_stap_parse_special_token (struct gdbarch *gdbarch,
474 struct stap_parse_info *p)
478 /* Temporary holder for lookahead. */
479 const char *tmp = p->arg;
481 /* Used to save the register name. */
493 while (isalnum (*tmp))
500 regname = (char *) alloca (len + 2);
502 strncpy (regname, start, len);
505 if (user_reg_map_name_to_regnum (gdbarch, regname, len) == -1)
506 error (_("Invalid register name `%s' on expression `%s'."),
507 regname, p->saved_arg);
510 tmp = skip_spaces (tmp);
511 /* Now we expect a number. It can begin with '#' or simply
521 else if (*tmp == '+')
527 displacement = strtol (tmp, &endp, 10);
530 /* Skipping last `]'. */
534 /* The displacement. */
535 write_exp_elt_opcode (&p->pstate, OP_LONG);
536 write_exp_elt_type (&p->pstate, builtin_type (gdbarch)->builtin_long);
537 write_exp_elt_longcst (&p->pstate, displacement);
538 write_exp_elt_opcode (&p->pstate, OP_LONG);
540 write_exp_elt_opcode (&p->pstate, UNOP_NEG);
542 /* The register name. */
543 write_exp_elt_opcode (&p->pstate, OP_REGISTER);
546 write_exp_string (&p->pstate, str);
547 write_exp_elt_opcode (&p->pstate, OP_REGISTER);
549 write_exp_elt_opcode (&p->pstate, BINOP_ADD);
551 /* Casting to the expected type. */
552 write_exp_elt_opcode (&p->pstate, UNOP_CAST);
553 write_exp_elt_type (&p->pstate, lookup_pointer_type (p->arg_type));
554 write_exp_elt_opcode (&p->pstate, UNOP_CAST);
556 write_exp_elt_opcode (&p->pstate, UNOP_IND);
566 /* Implement the "get_syscall_number" gdbarch method. */
569 aarch64_linux_get_syscall_number (struct gdbarch *gdbarch,
572 struct regcache *regs = get_thread_regcache (thread);
573 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
575 /* The content of register x8. */
576 gdb_byte buf[X_REGISTER_SIZE];
580 /* Getting the system call number from the register x8. */
581 regs->cooked_read (AARCH64_DWARF_X0 + 8, buf);
583 ret = extract_signed_integer (buf, X_REGISTER_SIZE, byte_order);
588 /* AArch64 process record-replay constructs: syscall, signal etc. */
590 struct linux_record_tdep aarch64_linux_record_tdep;
592 /* Enum that defines the AArch64 linux specific syscall identifiers used for
593 process record/replay. */
595 enum aarch64_syscall {
596 aarch64_sys_io_setup = 0,
597 aarch64_sys_io_destroy = 1,
598 aarch64_sys_io_submit = 2,
599 aarch64_sys_io_cancel = 3,
600 aarch64_sys_io_getevents = 4,
601 aarch64_sys_setxattr = 5,
602 aarch64_sys_lsetxattr = 6,
603 aarch64_sys_fsetxattr = 7,
604 aarch64_sys_getxattr = 8,
605 aarch64_sys_lgetxattr = 9,
606 aarch64_sys_fgetxattr = 10,
607 aarch64_sys_listxattr = 11,
608 aarch64_sys_llistxattr = 12,
609 aarch64_sys_flistxattr = 13,
610 aarch64_sys_removexattr = 14,
611 aarch64_sys_lremovexattr = 15,
612 aarch64_sys_fremovexattr = 16,
613 aarch64_sys_getcwd = 17,
614 aarch64_sys_lookup_dcookie = 18,
615 aarch64_sys_eventfd2 = 19,
616 aarch64_sys_epoll_create1 = 20,
617 aarch64_sys_epoll_ctl = 21,
618 aarch64_sys_epoll_pwait = 22,
619 aarch64_sys_dup = 23,
620 aarch64_sys_dup3 = 24,
621 aarch64_sys_fcntl = 25,
622 aarch64_sys_inotify_init1 = 26,
623 aarch64_sys_inotify_add_watch = 27,
624 aarch64_sys_inotify_rm_watch = 28,
625 aarch64_sys_ioctl = 29,
626 aarch64_sys_ioprio_set = 30,
627 aarch64_sys_ioprio_get = 31,
628 aarch64_sys_flock = 32,
629 aarch64_sys_mknodat = 33,
630 aarch64_sys_mkdirat = 34,
631 aarch64_sys_unlinkat = 35,
632 aarch64_sys_symlinkat = 36,
633 aarch64_sys_linkat = 37,
634 aarch64_sys_renameat = 38,
635 aarch64_sys_umount2 = 39,
636 aarch64_sys_mount = 40,
637 aarch64_sys_pivot_root = 41,
638 aarch64_sys_nfsservctl = 42,
639 aarch64_sys_statfs = 43,
640 aarch64_sys_fstatfs = 44,
641 aarch64_sys_truncate = 45,
642 aarch64_sys_ftruncate = 46,
643 aarch64_sys_fallocate = 47,
644 aarch64_sys_faccessat = 48,
645 aarch64_sys_chdir = 49,
646 aarch64_sys_fchdir = 50,
647 aarch64_sys_chroot = 51,
648 aarch64_sys_fchmod = 52,
649 aarch64_sys_fchmodat = 53,
650 aarch64_sys_fchownat = 54,
651 aarch64_sys_fchown = 55,
652 aarch64_sys_openat = 56,
653 aarch64_sys_close = 57,
654 aarch64_sys_vhangup = 58,
655 aarch64_sys_pipe2 = 59,
656 aarch64_sys_quotactl = 60,
657 aarch64_sys_getdents64 = 61,
658 aarch64_sys_lseek = 62,
659 aarch64_sys_read = 63,
660 aarch64_sys_write = 64,
661 aarch64_sys_readv = 65,
662 aarch64_sys_writev = 66,
663 aarch64_sys_pread64 = 67,
664 aarch64_sys_pwrite64 = 68,
665 aarch64_sys_preadv = 69,
666 aarch64_sys_pwritev = 70,
667 aarch64_sys_sendfile = 71,
668 aarch64_sys_pselect6 = 72,
669 aarch64_sys_ppoll = 73,
670 aarch64_sys_signalfd4 = 74,
671 aarch64_sys_vmsplice = 75,
672 aarch64_sys_splice = 76,
673 aarch64_sys_tee = 77,
674 aarch64_sys_readlinkat = 78,
675 aarch64_sys_newfstatat = 79,
676 aarch64_sys_fstat = 80,
677 aarch64_sys_sync = 81,
678 aarch64_sys_fsync = 82,
679 aarch64_sys_fdatasync = 83,
680 aarch64_sys_sync_file_range2 = 84,
681 aarch64_sys_sync_file_range = 84,
682 aarch64_sys_timerfd_create = 85,
683 aarch64_sys_timerfd_settime = 86,
684 aarch64_sys_timerfd_gettime = 87,
685 aarch64_sys_utimensat = 88,
686 aarch64_sys_acct = 89,
687 aarch64_sys_capget = 90,
688 aarch64_sys_capset = 91,
689 aarch64_sys_personality = 92,
690 aarch64_sys_exit = 93,
691 aarch64_sys_exit_group = 94,
692 aarch64_sys_waitid = 95,
693 aarch64_sys_set_tid_address = 96,
694 aarch64_sys_unshare = 97,
695 aarch64_sys_futex = 98,
696 aarch64_sys_set_robust_list = 99,
697 aarch64_sys_get_robust_list = 100,
698 aarch64_sys_nanosleep = 101,
699 aarch64_sys_getitimer = 102,
700 aarch64_sys_setitimer = 103,
701 aarch64_sys_kexec_load = 104,
702 aarch64_sys_init_module = 105,
703 aarch64_sys_delete_module = 106,
704 aarch64_sys_timer_create = 107,
705 aarch64_sys_timer_gettime = 108,
706 aarch64_sys_timer_getoverrun = 109,
707 aarch64_sys_timer_settime = 110,
708 aarch64_sys_timer_delete = 111,
709 aarch64_sys_clock_settime = 112,
710 aarch64_sys_clock_gettime = 113,
711 aarch64_sys_clock_getres = 114,
712 aarch64_sys_clock_nanosleep = 115,
713 aarch64_sys_syslog = 116,
714 aarch64_sys_ptrace = 117,
715 aarch64_sys_sched_setparam = 118,
716 aarch64_sys_sched_setscheduler = 119,
717 aarch64_sys_sched_getscheduler = 120,
718 aarch64_sys_sched_getparam = 121,
719 aarch64_sys_sched_setaffinity = 122,
720 aarch64_sys_sched_getaffinity = 123,
721 aarch64_sys_sched_yield = 124,
722 aarch64_sys_sched_get_priority_max = 125,
723 aarch64_sys_sched_get_priority_min = 126,
724 aarch64_sys_sched_rr_get_interval = 127,
725 aarch64_sys_kill = 129,
726 aarch64_sys_tkill = 130,
727 aarch64_sys_tgkill = 131,
728 aarch64_sys_sigaltstack = 132,
729 aarch64_sys_rt_sigsuspend = 133,
730 aarch64_sys_rt_sigaction = 134,
731 aarch64_sys_rt_sigprocmask = 135,
732 aarch64_sys_rt_sigpending = 136,
733 aarch64_sys_rt_sigtimedwait = 137,
734 aarch64_sys_rt_sigqueueinfo = 138,
735 aarch64_sys_rt_sigreturn = 139,
736 aarch64_sys_setpriority = 140,
737 aarch64_sys_getpriority = 141,
738 aarch64_sys_reboot = 142,
739 aarch64_sys_setregid = 143,
740 aarch64_sys_setgid = 144,
741 aarch64_sys_setreuid = 145,
742 aarch64_sys_setuid = 146,
743 aarch64_sys_setresuid = 147,
744 aarch64_sys_getresuid = 148,
745 aarch64_sys_setresgid = 149,
746 aarch64_sys_getresgid = 150,
747 aarch64_sys_setfsuid = 151,
748 aarch64_sys_setfsgid = 152,
749 aarch64_sys_times = 153,
750 aarch64_sys_setpgid = 154,
751 aarch64_sys_getpgid = 155,
752 aarch64_sys_getsid = 156,
753 aarch64_sys_setsid = 157,
754 aarch64_sys_getgroups = 158,
755 aarch64_sys_setgroups = 159,
756 aarch64_sys_uname = 160,
757 aarch64_sys_sethostname = 161,
758 aarch64_sys_setdomainname = 162,
759 aarch64_sys_getrlimit = 163,
760 aarch64_sys_setrlimit = 164,
761 aarch64_sys_getrusage = 165,
762 aarch64_sys_umask = 166,
763 aarch64_sys_prctl = 167,
764 aarch64_sys_getcpu = 168,
765 aarch64_sys_gettimeofday = 169,
766 aarch64_sys_settimeofday = 170,
767 aarch64_sys_adjtimex = 171,
768 aarch64_sys_getpid = 172,
769 aarch64_sys_getppid = 173,
770 aarch64_sys_getuid = 174,
771 aarch64_sys_geteuid = 175,
772 aarch64_sys_getgid = 176,
773 aarch64_sys_getegid = 177,
774 aarch64_sys_gettid = 178,
775 aarch64_sys_sysinfo = 179,
776 aarch64_sys_mq_open = 180,
777 aarch64_sys_mq_unlink = 181,
778 aarch64_sys_mq_timedsend = 182,
779 aarch64_sys_mq_timedreceive = 183,
780 aarch64_sys_mq_notify = 184,
781 aarch64_sys_mq_getsetattr = 185,
782 aarch64_sys_msgget = 186,
783 aarch64_sys_msgctl = 187,
784 aarch64_sys_msgrcv = 188,
785 aarch64_sys_msgsnd = 189,
786 aarch64_sys_semget = 190,
787 aarch64_sys_semctl = 191,
788 aarch64_sys_semtimedop = 192,
789 aarch64_sys_semop = 193,
790 aarch64_sys_shmget = 194,
791 aarch64_sys_shmctl = 195,
792 aarch64_sys_shmat = 196,
793 aarch64_sys_shmdt = 197,
794 aarch64_sys_socket = 198,
795 aarch64_sys_socketpair = 199,
796 aarch64_sys_bind = 200,
797 aarch64_sys_listen = 201,
798 aarch64_sys_accept = 202,
799 aarch64_sys_connect = 203,
800 aarch64_sys_getsockname = 204,
801 aarch64_sys_getpeername = 205,
802 aarch64_sys_sendto = 206,
803 aarch64_sys_recvfrom = 207,
804 aarch64_sys_setsockopt = 208,
805 aarch64_sys_getsockopt = 209,
806 aarch64_sys_shutdown = 210,
807 aarch64_sys_sendmsg = 211,
808 aarch64_sys_recvmsg = 212,
809 aarch64_sys_readahead = 213,
810 aarch64_sys_brk = 214,
811 aarch64_sys_munmap = 215,
812 aarch64_sys_mremap = 216,
813 aarch64_sys_add_key = 217,
814 aarch64_sys_request_key = 218,
815 aarch64_sys_keyctl = 219,
816 aarch64_sys_clone = 220,
817 aarch64_sys_execve = 221,
818 aarch64_sys_mmap = 222,
819 aarch64_sys_fadvise64 = 223,
820 aarch64_sys_swapon = 224,
821 aarch64_sys_swapoff = 225,
822 aarch64_sys_mprotect = 226,
823 aarch64_sys_msync = 227,
824 aarch64_sys_mlock = 228,
825 aarch64_sys_munlock = 229,
826 aarch64_sys_mlockall = 230,
827 aarch64_sys_munlockall = 231,
828 aarch64_sys_mincore = 232,
829 aarch64_sys_madvise = 233,
830 aarch64_sys_remap_file_pages = 234,
831 aarch64_sys_mbind = 235,
832 aarch64_sys_get_mempolicy = 236,
833 aarch64_sys_set_mempolicy = 237,
834 aarch64_sys_migrate_pages = 238,
835 aarch64_sys_move_pages = 239,
836 aarch64_sys_rt_tgsigqueueinfo = 240,
837 aarch64_sys_perf_event_open = 241,
838 aarch64_sys_accept4 = 242,
839 aarch64_sys_recvmmsg = 243,
840 aarch64_sys_wait4 = 260,
841 aarch64_sys_prlimit64 = 261,
842 aarch64_sys_fanotify_init = 262,
843 aarch64_sys_fanotify_mark = 263,
844 aarch64_sys_name_to_handle_at = 264,
845 aarch64_sys_open_by_handle_at = 265,
846 aarch64_sys_clock_adjtime = 266,
847 aarch64_sys_syncfs = 267,
848 aarch64_sys_setns = 268,
849 aarch64_sys_sendmmsg = 269,
850 aarch64_sys_process_vm_readv = 270,
851 aarch64_sys_process_vm_writev = 271,
852 aarch64_sys_kcmp = 272,
853 aarch64_sys_finit_module = 273,
854 aarch64_sys_sched_setattr = 274,
855 aarch64_sys_sched_getattr = 275,
858 /* aarch64_canonicalize_syscall maps syscall ids from the native AArch64
859 linux set of syscall ids into a canonical set of syscall ids used by
862 static enum gdb_syscall
863 aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number)
865 #define SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
866 return gdb_sys_##SYSCALL
868 #define UNSUPPORTED_SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
869 return gdb_sys_no_syscall
871 switch (syscall_number)
873 SYSCALL_MAP (io_setup);
874 SYSCALL_MAP (io_destroy);
875 SYSCALL_MAP (io_submit);
876 SYSCALL_MAP (io_cancel);
877 SYSCALL_MAP (io_getevents);
879 SYSCALL_MAP (setxattr);
880 SYSCALL_MAP (lsetxattr);
881 SYSCALL_MAP (fsetxattr);
882 SYSCALL_MAP (getxattr);
883 SYSCALL_MAP (lgetxattr);
884 SYSCALL_MAP (fgetxattr);
885 SYSCALL_MAP (listxattr);
886 SYSCALL_MAP (llistxattr);
887 SYSCALL_MAP (flistxattr);
888 SYSCALL_MAP (removexattr);
889 SYSCALL_MAP (lremovexattr);
890 SYSCALL_MAP (fremovexattr);
891 SYSCALL_MAP (getcwd);
892 SYSCALL_MAP (lookup_dcookie);
893 SYSCALL_MAP (eventfd2);
894 SYSCALL_MAP (epoll_create1);
895 SYSCALL_MAP (epoll_ctl);
896 SYSCALL_MAP (epoll_pwait);
900 SYSCALL_MAP (inotify_init1);
901 SYSCALL_MAP (inotify_add_watch);
902 SYSCALL_MAP (inotify_rm_watch);
904 SYSCALL_MAP (ioprio_set);
905 SYSCALL_MAP (ioprio_get);
907 SYSCALL_MAP (mknodat);
908 SYSCALL_MAP (mkdirat);
909 SYSCALL_MAP (unlinkat);
910 SYSCALL_MAP (symlinkat);
911 SYSCALL_MAP (linkat);
912 SYSCALL_MAP (renameat);
913 UNSUPPORTED_SYSCALL_MAP (umount2);
915 SYSCALL_MAP (pivot_root);
916 SYSCALL_MAP (nfsservctl);
917 SYSCALL_MAP (statfs);
918 SYSCALL_MAP (truncate);
919 SYSCALL_MAP (ftruncate);
920 SYSCALL_MAP (fallocate);
921 SYSCALL_MAP (faccessat);
922 SYSCALL_MAP (fchdir);
923 SYSCALL_MAP (chroot);
924 SYSCALL_MAP (fchmod);
925 SYSCALL_MAP (fchmodat);
926 SYSCALL_MAP (fchownat);
927 SYSCALL_MAP (fchown);
928 SYSCALL_MAP (openat);
930 SYSCALL_MAP (vhangup);
932 SYSCALL_MAP (quotactl);
933 SYSCALL_MAP (getdents64);
938 SYSCALL_MAP (writev);
939 SYSCALL_MAP (pread64);
940 SYSCALL_MAP (pwrite64);
941 UNSUPPORTED_SYSCALL_MAP (preadv);
942 UNSUPPORTED_SYSCALL_MAP (pwritev);
943 SYSCALL_MAP (sendfile);
944 SYSCALL_MAP (pselect6);
946 UNSUPPORTED_SYSCALL_MAP (signalfd4);
947 SYSCALL_MAP (vmsplice);
948 SYSCALL_MAP (splice);
950 SYSCALL_MAP (readlinkat);
951 SYSCALL_MAP (newfstatat);
956 SYSCALL_MAP (fdatasync);
957 SYSCALL_MAP (sync_file_range);
958 UNSUPPORTED_SYSCALL_MAP (timerfd_create);
959 UNSUPPORTED_SYSCALL_MAP (timerfd_settime);
960 UNSUPPORTED_SYSCALL_MAP (timerfd_gettime);
961 UNSUPPORTED_SYSCALL_MAP (utimensat);
963 SYSCALL_MAP (capget);
964 SYSCALL_MAP (capset);
965 SYSCALL_MAP (personality);
967 SYSCALL_MAP (exit_group);
968 SYSCALL_MAP (waitid);
969 SYSCALL_MAP (set_tid_address);
970 SYSCALL_MAP (unshare);
972 SYSCALL_MAP (set_robust_list);
973 SYSCALL_MAP (get_robust_list);
974 SYSCALL_MAP (nanosleep);
976 SYSCALL_MAP (getitimer);
977 SYSCALL_MAP (setitimer);
978 SYSCALL_MAP (kexec_load);
979 SYSCALL_MAP (init_module);
980 SYSCALL_MAP (delete_module);
981 SYSCALL_MAP (timer_create);
982 SYSCALL_MAP (timer_settime);
983 SYSCALL_MAP (timer_gettime);
984 SYSCALL_MAP (timer_getoverrun);
985 SYSCALL_MAP (timer_delete);
986 SYSCALL_MAP (clock_settime);
987 SYSCALL_MAP (clock_gettime);
988 SYSCALL_MAP (clock_getres);
989 SYSCALL_MAP (clock_nanosleep);
990 SYSCALL_MAP (syslog);
991 SYSCALL_MAP (ptrace);
992 SYSCALL_MAP (sched_setparam);
993 SYSCALL_MAP (sched_setscheduler);
994 SYSCALL_MAP (sched_getscheduler);
995 SYSCALL_MAP (sched_getparam);
996 SYSCALL_MAP (sched_setaffinity);
997 SYSCALL_MAP (sched_getaffinity);
998 SYSCALL_MAP (sched_yield);
999 SYSCALL_MAP (sched_get_priority_max);
1000 SYSCALL_MAP (sched_get_priority_min);
1001 SYSCALL_MAP (sched_rr_get_interval);
1003 SYSCALL_MAP (tkill);
1004 SYSCALL_MAP (tgkill);
1005 SYSCALL_MAP (sigaltstack);
1006 SYSCALL_MAP (rt_sigsuspend);
1007 SYSCALL_MAP (rt_sigaction);
1008 SYSCALL_MAP (rt_sigprocmask);
1009 SYSCALL_MAP (rt_sigpending);
1010 SYSCALL_MAP (rt_sigtimedwait);
1011 SYSCALL_MAP (rt_sigqueueinfo);
1012 SYSCALL_MAP (rt_sigreturn);
1013 SYSCALL_MAP (setpriority);
1014 SYSCALL_MAP (getpriority);
1015 SYSCALL_MAP (reboot);
1016 SYSCALL_MAP (setregid);
1017 SYSCALL_MAP (setgid);
1018 SYSCALL_MAP (setreuid);
1019 SYSCALL_MAP (setuid);
1020 SYSCALL_MAP (setresuid);
1021 SYSCALL_MAP (getresuid);
1022 SYSCALL_MAP (setresgid);
1023 SYSCALL_MAP (getresgid);
1024 SYSCALL_MAP (setfsuid);
1025 SYSCALL_MAP (setfsgid);
1026 SYSCALL_MAP (times);
1027 SYSCALL_MAP (setpgid);
1028 SYSCALL_MAP (getpgid);
1029 SYSCALL_MAP (getsid);
1030 SYSCALL_MAP (setsid);
1031 SYSCALL_MAP (getgroups);
1032 SYSCALL_MAP (setgroups);
1033 SYSCALL_MAP (uname);
1034 SYSCALL_MAP (sethostname);
1035 SYSCALL_MAP (setdomainname);
1036 SYSCALL_MAP (getrlimit);
1037 SYSCALL_MAP (setrlimit);
1038 SYSCALL_MAP (getrusage);
1039 SYSCALL_MAP (umask);
1040 SYSCALL_MAP (prctl);
1041 SYSCALL_MAP (getcpu);
1042 SYSCALL_MAP (gettimeofday);
1043 SYSCALL_MAP (settimeofday);
1044 SYSCALL_MAP (adjtimex);
1045 SYSCALL_MAP (getpid);
1046 SYSCALL_MAP (getppid);
1047 SYSCALL_MAP (getuid);
1048 SYSCALL_MAP (geteuid);
1049 SYSCALL_MAP (getgid);
1050 SYSCALL_MAP (getegid);
1051 SYSCALL_MAP (gettid);
1052 SYSCALL_MAP (sysinfo);
1053 SYSCALL_MAP (mq_open);
1054 SYSCALL_MAP (mq_unlink);
1055 SYSCALL_MAP (mq_timedsend);
1056 SYSCALL_MAP (mq_timedreceive);
1057 SYSCALL_MAP (mq_notify);
1058 SYSCALL_MAP (mq_getsetattr);
1059 SYSCALL_MAP (msgget);
1060 SYSCALL_MAP (msgctl);
1061 SYSCALL_MAP (msgrcv);
1062 SYSCALL_MAP (msgsnd);
1063 SYSCALL_MAP (semget);
1064 SYSCALL_MAP (semctl);
1065 SYSCALL_MAP (semtimedop);
1066 SYSCALL_MAP (semop);
1067 SYSCALL_MAP (shmget);
1068 SYSCALL_MAP (shmctl);
1069 SYSCALL_MAP (shmat);
1070 SYSCALL_MAP (shmdt);
1071 SYSCALL_MAP (socket);
1072 SYSCALL_MAP (socketpair);
1074 SYSCALL_MAP (listen);
1075 SYSCALL_MAP (accept);
1076 SYSCALL_MAP (connect);
1077 SYSCALL_MAP (getsockname);
1078 SYSCALL_MAP (getpeername);
1079 SYSCALL_MAP (sendto);
1080 SYSCALL_MAP (recvfrom);
1081 SYSCALL_MAP (setsockopt);
1082 SYSCALL_MAP (getsockopt);
1083 SYSCALL_MAP (shutdown);
1084 SYSCALL_MAP (sendmsg);
1085 SYSCALL_MAP (recvmsg);
1086 SYSCALL_MAP (readahead);
1088 SYSCALL_MAP (munmap);
1089 SYSCALL_MAP (mremap);
1090 SYSCALL_MAP (add_key);
1091 SYSCALL_MAP (request_key);
1092 SYSCALL_MAP (keyctl);
1093 SYSCALL_MAP (clone);
1094 SYSCALL_MAP (execve);
1096 case aarch64_sys_mmap:
1097 return gdb_sys_mmap2;
1099 SYSCALL_MAP (fadvise64);
1100 SYSCALL_MAP (swapon);
1101 SYSCALL_MAP (swapoff);
1102 SYSCALL_MAP (mprotect);
1103 SYSCALL_MAP (msync);
1104 SYSCALL_MAP (mlock);
1105 SYSCALL_MAP (munlock);
1106 SYSCALL_MAP (mlockall);
1107 SYSCALL_MAP (munlockall);
1108 SYSCALL_MAP (mincore);
1109 SYSCALL_MAP (madvise);
1110 SYSCALL_MAP (remap_file_pages);
1111 SYSCALL_MAP (mbind);
1112 SYSCALL_MAP (get_mempolicy);
1113 SYSCALL_MAP (set_mempolicy);
1114 SYSCALL_MAP (migrate_pages);
1115 SYSCALL_MAP (move_pages);
1116 UNSUPPORTED_SYSCALL_MAP (rt_tgsigqueueinfo);
1117 UNSUPPORTED_SYSCALL_MAP (perf_event_open);
1118 UNSUPPORTED_SYSCALL_MAP (accept4);
1119 UNSUPPORTED_SYSCALL_MAP (recvmmsg);
1121 SYSCALL_MAP (wait4);
1123 UNSUPPORTED_SYSCALL_MAP (prlimit64);
1124 UNSUPPORTED_SYSCALL_MAP (fanotify_init);
1125 UNSUPPORTED_SYSCALL_MAP (fanotify_mark);
1126 UNSUPPORTED_SYSCALL_MAP (name_to_handle_at);
1127 UNSUPPORTED_SYSCALL_MAP (open_by_handle_at);
1128 UNSUPPORTED_SYSCALL_MAP (clock_adjtime);
1129 UNSUPPORTED_SYSCALL_MAP (syncfs);
1130 UNSUPPORTED_SYSCALL_MAP (setns);
1131 UNSUPPORTED_SYSCALL_MAP (sendmmsg);
1132 UNSUPPORTED_SYSCALL_MAP (process_vm_readv);
1133 UNSUPPORTED_SYSCALL_MAP (process_vm_writev);
1134 UNSUPPORTED_SYSCALL_MAP (kcmp);
1135 UNSUPPORTED_SYSCALL_MAP (finit_module);
1136 UNSUPPORTED_SYSCALL_MAP (sched_setattr);
1137 UNSUPPORTED_SYSCALL_MAP (sched_getattr);
1139 return gdb_sys_no_syscall;
1143 /* Record all registers but PC register for process-record. */
1146 aarch64_all_but_pc_registers_record (struct regcache *regcache)
1150 for (i = AARCH64_X0_REGNUM; i < AARCH64_PC_REGNUM; i++)
1151 if (record_full_arch_list_add_reg (regcache, i))
1154 if (record_full_arch_list_add_reg (regcache, AARCH64_CPSR_REGNUM))
1160 /* Handler for aarch64 system call instruction recording. */
1163 aarch64_linux_syscall_record (struct regcache *regcache,
1164 unsigned long svc_number)
1167 enum gdb_syscall syscall_gdb;
1170 aarch64_canonicalize_syscall ((enum aarch64_syscall) svc_number);
1172 if (syscall_gdb < 0)
1174 printf_unfiltered (_("Process record and replay target doesn't "
1175 "support syscall number %s\n"),
1176 plongest (svc_number));
1180 if (syscall_gdb == gdb_sys_sigreturn
1181 || syscall_gdb == gdb_sys_rt_sigreturn)
1183 if (aarch64_all_but_pc_registers_record (regcache))
1188 ret = record_linux_system_call (syscall_gdb, regcache,
1189 &aarch64_linux_record_tdep);
1193 /* Record the return value of the system call. */
1194 if (record_full_arch_list_add_reg (regcache, AARCH64_X0_REGNUM))
1197 if (record_full_arch_list_add_reg (regcache, AARCH64_LR_REGNUM))
1200 if (record_full_arch_list_add_reg (regcache, AARCH64_CPSR_REGNUM))
1206 /* Implement the "gcc_target_options" gdbarch method. */
1209 aarch64_linux_gcc_target_options (struct gdbarch *gdbarch)
1211 /* GCC doesn't know "-m64". */
1216 aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
1218 static const char *const stap_integer_prefixes[] = { "#", "", NULL };
1219 static const char *const stap_register_prefixes[] = { "", NULL };
1220 static const char *const stap_register_indirection_prefixes[] = { "[",
1222 static const char *const stap_register_indirection_suffixes[] = { "]",
1224 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1226 tdep->lowest_pc = 0x8000;
1228 linux_init_abi (info, gdbarch);
1230 set_solib_svr4_fetch_link_map_offsets (gdbarch,
1231 svr4_lp64_fetch_link_map_offsets);
1233 /* Enable TLS support. */
1234 set_gdbarch_fetch_tls_load_module_address (gdbarch,
1235 svr4_fetch_objfile_link_map);
1237 /* Shared library handling. */
1238 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
1239 set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
1241 tramp_frame_prepend_unwinder (gdbarch, &aarch64_linux_rt_sigframe);
1243 /* Enable longjmp. */
1246 set_gdbarch_iterate_over_regset_sections
1247 (gdbarch, aarch64_linux_iterate_over_regset_sections);
1248 set_gdbarch_core_read_description
1249 (gdbarch, aarch64_linux_core_read_description);
1251 /* SystemTap related. */
1252 set_gdbarch_stap_integer_prefixes (gdbarch, stap_integer_prefixes);
1253 set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes);
1254 set_gdbarch_stap_register_indirection_prefixes (gdbarch,
1255 stap_register_indirection_prefixes);
1256 set_gdbarch_stap_register_indirection_suffixes (gdbarch,
1257 stap_register_indirection_suffixes);
1258 set_gdbarch_stap_is_single_operand (gdbarch, aarch64_stap_is_single_operand);
1259 set_gdbarch_stap_parse_special_token (gdbarch,
1260 aarch64_stap_parse_special_token);
1262 /* Reversible debugging, process record. */
1263 set_gdbarch_process_record (gdbarch, aarch64_process_record);
1264 /* Syscall record. */
1265 tdep->aarch64_syscall_record = aarch64_linux_syscall_record;
1267 /* The top byte of a user space address known as the "tag",
1268 is ignored by the kernel and can be regarded as additional
1269 data associated with the address. */
1270 set_gdbarch_significant_addr_bit (gdbarch, 56);
1272 /* Initialize the aarch64_linux_record_tdep. */
1273 /* These values are the size of the type that will be used in a system
1274 call. They are obtained from Linux Kernel source. */
1275 aarch64_linux_record_tdep.size_pointer
1276 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
1277 aarch64_linux_record_tdep.size__old_kernel_stat = 32;
1278 aarch64_linux_record_tdep.size_tms = 32;
1279 aarch64_linux_record_tdep.size_loff_t = 8;
1280 aarch64_linux_record_tdep.size_flock = 32;
1281 aarch64_linux_record_tdep.size_oldold_utsname = 45;
1282 aarch64_linux_record_tdep.size_ustat = 32;
1283 aarch64_linux_record_tdep.size_old_sigaction = 32;
1284 aarch64_linux_record_tdep.size_old_sigset_t = 8;
1285 aarch64_linux_record_tdep.size_rlimit = 16;
1286 aarch64_linux_record_tdep.size_rusage = 144;
1287 aarch64_linux_record_tdep.size_timeval = 16;
1288 aarch64_linux_record_tdep.size_timezone = 8;
1289 aarch64_linux_record_tdep.size_old_gid_t = 2;
1290 aarch64_linux_record_tdep.size_old_uid_t = 2;
1291 aarch64_linux_record_tdep.size_fd_set = 128;
1292 aarch64_linux_record_tdep.size_old_dirent = 280;
1293 aarch64_linux_record_tdep.size_statfs = 120;
1294 aarch64_linux_record_tdep.size_statfs64 = 120;
1295 aarch64_linux_record_tdep.size_sockaddr = 16;
1296 aarch64_linux_record_tdep.size_int
1297 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
1298 aarch64_linux_record_tdep.size_long
1299 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1300 aarch64_linux_record_tdep.size_ulong
1301 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1302 aarch64_linux_record_tdep.size_msghdr = 56;
1303 aarch64_linux_record_tdep.size_itimerval = 32;
1304 aarch64_linux_record_tdep.size_stat = 144;
1305 aarch64_linux_record_tdep.size_old_utsname = 325;
1306 aarch64_linux_record_tdep.size_sysinfo = 112;
1307 aarch64_linux_record_tdep.size_msqid_ds = 120;
1308 aarch64_linux_record_tdep.size_shmid_ds = 112;
1309 aarch64_linux_record_tdep.size_new_utsname = 390;
1310 aarch64_linux_record_tdep.size_timex = 208;
1311 aarch64_linux_record_tdep.size_mem_dqinfo = 24;
1312 aarch64_linux_record_tdep.size_if_dqblk = 72;
1313 aarch64_linux_record_tdep.size_fs_quota_stat = 80;
1314 aarch64_linux_record_tdep.size_timespec = 16;
1315 aarch64_linux_record_tdep.size_pollfd = 8;
1316 aarch64_linux_record_tdep.size_NFS_FHSIZE = 32;
1317 aarch64_linux_record_tdep.size_knfsd_fh = 132;
1318 aarch64_linux_record_tdep.size_TASK_COMM_LEN = 16;
1319 aarch64_linux_record_tdep.size_sigaction = 32;
1320 aarch64_linux_record_tdep.size_sigset_t = 8;
1321 aarch64_linux_record_tdep.size_siginfo_t = 128;
1322 aarch64_linux_record_tdep.size_cap_user_data_t = 8;
1323 aarch64_linux_record_tdep.size_stack_t = 24;
1324 aarch64_linux_record_tdep.size_off_t = 8;
1325 aarch64_linux_record_tdep.size_stat64 = 144;
1326 aarch64_linux_record_tdep.size_gid_t = 4;
1327 aarch64_linux_record_tdep.size_uid_t = 4;
1328 aarch64_linux_record_tdep.size_PAGE_SIZE = 4096;
1329 aarch64_linux_record_tdep.size_flock64 = 32;
1330 aarch64_linux_record_tdep.size_user_desc = 16;
1331 aarch64_linux_record_tdep.size_io_event = 32;
1332 aarch64_linux_record_tdep.size_iocb = 64;
1333 aarch64_linux_record_tdep.size_epoll_event = 12;
1334 aarch64_linux_record_tdep.size_itimerspec = 32;
1335 aarch64_linux_record_tdep.size_mq_attr = 64;
1336 aarch64_linux_record_tdep.size_termios = 36;
1337 aarch64_linux_record_tdep.size_termios2 = 44;
1338 aarch64_linux_record_tdep.size_pid_t = 4;
1339 aarch64_linux_record_tdep.size_winsize = 8;
1340 aarch64_linux_record_tdep.size_serial_struct = 72;
1341 aarch64_linux_record_tdep.size_serial_icounter_struct = 80;
1342 aarch64_linux_record_tdep.size_hayes_esp_config = 12;
1343 aarch64_linux_record_tdep.size_size_t = 8;
1344 aarch64_linux_record_tdep.size_iovec = 16;
1345 aarch64_linux_record_tdep.size_time_t = 8;
1347 /* These values are the second argument of system call "sys_ioctl".
1348 They are obtained from Linux Kernel source. */
1349 aarch64_linux_record_tdep.ioctl_TCGETS = 0x5401;
1350 aarch64_linux_record_tdep.ioctl_TCSETS = 0x5402;
1351 aarch64_linux_record_tdep.ioctl_TCSETSW = 0x5403;
1352 aarch64_linux_record_tdep.ioctl_TCSETSF = 0x5404;
1353 aarch64_linux_record_tdep.ioctl_TCGETA = 0x5405;
1354 aarch64_linux_record_tdep.ioctl_TCSETA = 0x5406;
1355 aarch64_linux_record_tdep.ioctl_TCSETAW = 0x5407;
1356 aarch64_linux_record_tdep.ioctl_TCSETAF = 0x5408;
1357 aarch64_linux_record_tdep.ioctl_TCSBRK = 0x5409;
1358 aarch64_linux_record_tdep.ioctl_TCXONC = 0x540a;
1359 aarch64_linux_record_tdep.ioctl_TCFLSH = 0x540b;
1360 aarch64_linux_record_tdep.ioctl_TIOCEXCL = 0x540c;
1361 aarch64_linux_record_tdep.ioctl_TIOCNXCL = 0x540d;
1362 aarch64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540e;
1363 aarch64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540f;
1364 aarch64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
1365 aarch64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
1366 aarch64_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
1367 aarch64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
1368 aarch64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
1369 aarch64_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
1370 aarch64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
1371 aarch64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
1372 aarch64_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
1373 aarch64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
1374 aarch64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541a;
1375 aarch64_linux_record_tdep.ioctl_FIONREAD = 0x541b;
1376 aarch64_linux_record_tdep.ioctl_TIOCINQ = 0x541b;
1377 aarch64_linux_record_tdep.ioctl_TIOCLINUX = 0x541c;
1378 aarch64_linux_record_tdep.ioctl_TIOCCONS = 0x541d;
1379 aarch64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541e;
1380 aarch64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541f;
1381 aarch64_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
1382 aarch64_linux_record_tdep.ioctl_FIONBIO = 0x5421;
1383 aarch64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
1384 aarch64_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
1385 aarch64_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
1386 aarch64_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
1387 aarch64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
1388 aarch64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
1389 aarch64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
1390 aarch64_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
1391 aarch64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
1392 aarch64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
1393 aarch64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
1394 aarch64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
1395 aarch64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
1396 aarch64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
1397 aarch64_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
1398 aarch64_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
1399 aarch64_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
1400 aarch64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
1401 aarch64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
1402 aarch64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
1403 aarch64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
1404 aarch64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
1405 aarch64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
1406 aarch64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
1407 aarch64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545a;
1408 aarch64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545b;
1409 aarch64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545c;
1410 aarch64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545d;
1411 aarch64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545e;
1412 aarch64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545f;
1413 aarch64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
1415 /* These values are the second argument of system call "sys_fcntl"
1416 and "sys_fcntl64". They are obtained from Linux Kernel source. */
1417 aarch64_linux_record_tdep.fcntl_F_GETLK = 5;
1418 aarch64_linux_record_tdep.fcntl_F_GETLK64 = 12;
1419 aarch64_linux_record_tdep.fcntl_F_SETLK64 = 13;
1420 aarch64_linux_record_tdep.fcntl_F_SETLKW64 = 14;
1422 /* The AArch64 syscall calling convention: reg x0-x6 for arguments,
1423 reg x8 for syscall number and return value in reg x0. */
1424 aarch64_linux_record_tdep.arg1 = AARCH64_X0_REGNUM + 0;
1425 aarch64_linux_record_tdep.arg2 = AARCH64_X0_REGNUM + 1;
1426 aarch64_linux_record_tdep.arg3 = AARCH64_X0_REGNUM + 2;
1427 aarch64_linux_record_tdep.arg4 = AARCH64_X0_REGNUM + 3;
1428 aarch64_linux_record_tdep.arg5 = AARCH64_X0_REGNUM + 4;
1429 aarch64_linux_record_tdep.arg6 = AARCH64_X0_REGNUM + 5;
1430 aarch64_linux_record_tdep.arg7 = AARCH64_X0_REGNUM + 6;
1432 /* `catch syscall' */
1433 set_xml_syscall_file_name (gdbarch, "syscalls/aarch64-linux.xml");
1434 set_gdbarch_get_syscall_number (gdbarch, aarch64_linux_get_syscall_number);
1436 /* Displaced stepping. */
1437 set_gdbarch_max_insn_length (gdbarch, 4 * DISPLACED_MODIFIED_INSNS);
1438 set_gdbarch_displaced_step_copy_insn (gdbarch,
1439 aarch64_displaced_step_copy_insn);
1440 set_gdbarch_displaced_step_fixup (gdbarch, aarch64_displaced_step_fixup);
1441 set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
1442 set_gdbarch_displaced_step_hw_singlestep (gdbarch,
1443 aarch64_displaced_step_hw_singlestep);
1445 set_gdbarch_gcc_target_options (gdbarch, aarch64_linux_gcc_target_options);
1449 _initialize_aarch64_linux_tdep (void)
1451 gdbarch_register_osabi (bfd_arch_aarch64, 0, GDB_OSABI_LINUX,
1452 aarch64_linux_init_abi);