1 /* Target-dependent code for GNU/Linux AArch64.
3 Copyright (C) 2009-2021 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 "glibc-tdep.h"
25 #include "linux-tdep.h"
26 #include "aarch64-tdep.h"
27 #include "aarch64-linux-tdep.h"
29 #include "solib-svr4.h"
31 #include "tramp-frame.h"
32 #include "trad-frame.h"
33 #include "target/target.h"
38 #include "stap-probe.h"
39 #include "parser-defs.h"
40 #include "user-regs.h"
41 #include "xml-syscall.h"
44 #include "record-full.h"
45 #include "linux-record.h"
47 /* Signal frame handling.
62 | | | SIGTRAMP_FRAME (struct rt_sigframe)
64 +--| saved sp |--> interrupted_sp
65 | | saved pc |--> interrupted_pc
68 | | saved lr |--> default_restorer (movz x8, NR_sys_rt_sigreturn; svc 0)
74 On signal delivery, the kernel will create a signal handler stack
75 frame and setup the return address in LR to point at restorer stub.
76 The signal stack frame is defined by:
84 The ucontext has the following form:
87 unsigned long uc_flags;
88 struct ucontext *uc_link;
91 struct sigcontext uc_mcontext;
96 unsigned long fault_address;
97 unsigned long regs[31];
98 unsigned long sp; / * 31 * /
99 unsigned long pc; / * 32 * /
100 unsigned long pstate; / * 33 * /
101 __u8 __reserved[4096]
104 The reserved space in sigcontext contains additional structures, each starting
105 with a aarch64_ctx, which specifies a unique identifier and the total size of
106 the structure. The final structure in reserved will start will a null
107 aarch64_ctx. The penultimate entry in reserved may be a extra_context which
108 then points to a further block of reserved space.
115 The restorer stub will always have the form:
117 d28015a8 movz x8, #0xad
120 This is a system call sys_rt_sigreturn.
122 We detect signal frames by snooping the return code for the restorer
123 instruction sequence.
125 The handler then needs to recover the saved register set from
126 ucontext.uc_mcontext. */
128 /* These magic numbers need to reflect the layout of the kernel
129 defined struct rt_sigframe and ucontext. */
130 #define AARCH64_SIGCONTEXT_REG_SIZE 8
131 #define AARCH64_RT_SIGFRAME_UCONTEXT_OFFSET 128
132 #define AARCH64_UCONTEXT_SIGCONTEXT_OFFSET 176
133 #define AARCH64_SIGCONTEXT_XO_OFFSET 8
134 #define AARCH64_SIGCONTEXT_RESERVED_OFFSET 288
136 #define AARCH64_SIGCONTEXT_RESERVED_SIZE 4096
138 /* Unique identifiers that may be used for aarch64_ctx.magic. */
139 #define AARCH64_EXTRA_MAGIC 0x45585401
140 #define AARCH64_FPSIMD_MAGIC 0x46508001
141 #define AARCH64_SVE_MAGIC 0x53564501
143 /* Defines for the extra_context that follows an AARCH64_EXTRA_MAGIC. */
144 #define AARCH64_EXTRA_DATAP_OFFSET 8
146 /* Defines for the fpsimd that follows an AARCH64_FPSIMD_MAGIC. */
147 #define AARCH64_FPSIMD_FPSR_OFFSET 8
148 #define AARCH64_FPSIMD_FPCR_OFFSET 12
149 #define AARCH64_FPSIMD_V0_OFFSET 16
150 #define AARCH64_FPSIMD_VREG_SIZE 16
152 /* Defines for the sve structure that follows an AARCH64_SVE_MAGIC. */
153 #define AARCH64_SVE_CONTEXT_VL_OFFSET 8
154 #define AARCH64_SVE_CONTEXT_REGS_OFFSET 16
155 #define AARCH64_SVE_CONTEXT_P_REGS_OFFSET(vq) (32 * vq * 16)
156 #define AARCH64_SVE_CONTEXT_FFR_OFFSET(vq) \
157 (AARCH64_SVE_CONTEXT_P_REGS_OFFSET (vq) + (16 * vq * 2))
158 #define AARCH64_SVE_CONTEXT_SIZE(vq) \
159 (AARCH64_SVE_CONTEXT_FFR_OFFSET (vq) + (vq * 2))
162 /* Read an aarch64_ctx, returning the magic value, and setting *SIZE to the
163 size, or return 0 on error. */
166 read_aarch64_ctx (CORE_ADDR ctx_addr
, enum bfd_endian byte_order
,
172 if (target_read_memory (ctx_addr
, buf
, 4) != 0)
174 magic
= extract_unsigned_integer (buf
, 4, byte_order
);
176 if (target_read_memory (ctx_addr
+ 4, buf
, 4) != 0)
178 *size
= extract_unsigned_integer (buf
, 4, byte_order
);
183 /* Given CACHE, use the trad_frame* functions to restore the FPSIMD
184 registers from a signal frame.
186 VREG_NUM is the number of the V register being restored, OFFSET is the
187 address containing the register value, BYTE_ORDER is the endianness and
188 HAS_SVE tells us if we have a valid SVE context or not. */
191 aarch64_linux_restore_vreg (struct trad_frame_cache
*cache
, int num_regs
,
192 int vreg_num
, CORE_ADDR offset
,
193 enum bfd_endian byte_order
, bool has_sve
)
195 /* WARNING: SIMD state is laid out in memory in target-endian format.
197 So we have a couple cases to consider:
199 1 - If the target is big endian, then SIMD state is big endian,
200 requiring a byteswap.
202 2 - If the target is little endian, then SIMD state is little endian, so
203 no byteswap is needed. */
205 if (byte_order
== BFD_ENDIAN_BIG
)
207 gdb_byte buf
[V_REGISTER_SIZE
];
209 if (target_read_memory (offset
, buf
, V_REGISTER_SIZE
) != 0)
211 size_t size
= V_REGISTER_SIZE
/2;
213 /* Read the two halves of the V register in reverse byte order. */
214 CORE_ADDR u64
= extract_unsigned_integer (buf
, size
,
216 CORE_ADDR l64
= extract_unsigned_integer (buf
+ size
, size
,
219 /* Copy the reversed bytes to the buffer. */
220 store_unsigned_integer (buf
, size
, BFD_ENDIAN_LITTLE
, l64
);
221 store_unsigned_integer (buf
+ size
, size
, BFD_ENDIAN_LITTLE
, u64
);
223 /* Now we can store the correct bytes for the V register. */
224 trad_frame_set_reg_value_bytes (cache
, AARCH64_V0_REGNUM
+ vreg_num
,
225 {buf
, V_REGISTER_SIZE
});
226 trad_frame_set_reg_value_bytes (cache
,
227 num_regs
+ AARCH64_Q0_REGNUM
228 + vreg_num
, {buf
, Q_REGISTER_SIZE
});
229 trad_frame_set_reg_value_bytes (cache
,
230 num_regs
+ AARCH64_D0_REGNUM
231 + vreg_num
, {buf
, D_REGISTER_SIZE
});
232 trad_frame_set_reg_value_bytes (cache
,
233 num_regs
+ AARCH64_S0_REGNUM
234 + vreg_num
, {buf
, S_REGISTER_SIZE
});
235 trad_frame_set_reg_value_bytes (cache
,
236 num_regs
+ AARCH64_H0_REGNUM
237 + vreg_num
, {buf
, H_REGISTER_SIZE
});
238 trad_frame_set_reg_value_bytes (cache
,
239 num_regs
+ AARCH64_B0_REGNUM
240 + vreg_num
, {buf
, B_REGISTER_SIZE
});
243 trad_frame_set_reg_value_bytes (cache
,
244 num_regs
+ AARCH64_SVE_V0_REGNUM
245 + vreg_num
, {buf
, V_REGISTER_SIZE
});
250 /* Little endian, just point at the address containing the register
252 trad_frame_set_reg_addr (cache
, AARCH64_V0_REGNUM
+ vreg_num
, offset
);
253 trad_frame_set_reg_addr (cache
, num_regs
+ AARCH64_Q0_REGNUM
+ vreg_num
,
255 trad_frame_set_reg_addr (cache
, num_regs
+ AARCH64_D0_REGNUM
+ vreg_num
,
257 trad_frame_set_reg_addr (cache
, num_regs
+ AARCH64_S0_REGNUM
+ vreg_num
,
259 trad_frame_set_reg_addr (cache
, num_regs
+ AARCH64_H0_REGNUM
+ vreg_num
,
261 trad_frame_set_reg_addr (cache
, num_regs
+ AARCH64_B0_REGNUM
+ vreg_num
,
265 trad_frame_set_reg_addr (cache
, num_regs
+ AARCH64_SVE_V0_REGNUM
270 /* Implement the "init" method of struct tramp_frame. */
273 aarch64_linux_sigframe_init (const struct tramp_frame
*self
,
274 struct frame_info
*this_frame
,
275 struct trad_frame_cache
*this_cache
,
278 struct gdbarch
*gdbarch
= get_frame_arch (this_frame
);
279 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
280 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
281 CORE_ADDR sp
= get_frame_register_unsigned (this_frame
, AARCH64_SP_REGNUM
);
282 CORE_ADDR sigcontext_addr
= (sp
+ AARCH64_RT_SIGFRAME_UCONTEXT_OFFSET
283 + AARCH64_UCONTEXT_SIGCONTEXT_OFFSET
);
284 CORE_ADDR section
= sigcontext_addr
+ AARCH64_SIGCONTEXT_RESERVED_OFFSET
;
285 CORE_ADDR section_end
= section
+ AARCH64_SIGCONTEXT_RESERVED_SIZE
;
286 CORE_ADDR fpsimd
= 0;
287 CORE_ADDR sve_regs
= 0;
288 uint32_t size
, magic
;
289 bool extra_found
= false;
290 int num_regs
= gdbarch_num_regs (gdbarch
);
292 /* Read in the integer registers. */
294 for (int i
= 0; i
< 31; i
++)
296 trad_frame_set_reg_addr (this_cache
,
297 AARCH64_X0_REGNUM
+ i
,
298 sigcontext_addr
+ AARCH64_SIGCONTEXT_XO_OFFSET
299 + i
* AARCH64_SIGCONTEXT_REG_SIZE
);
301 trad_frame_set_reg_addr (this_cache
, AARCH64_SP_REGNUM
,
302 sigcontext_addr
+ AARCH64_SIGCONTEXT_XO_OFFSET
303 + 31 * AARCH64_SIGCONTEXT_REG_SIZE
);
304 trad_frame_set_reg_addr (this_cache
, AARCH64_PC_REGNUM
,
305 sigcontext_addr
+ AARCH64_SIGCONTEXT_XO_OFFSET
306 + 32 * AARCH64_SIGCONTEXT_REG_SIZE
);
308 /* Search for the FP and SVE sections, stopping at null. */
309 while ((magic
= read_aarch64_ctx (section
, byte_order
, &size
)) != 0
314 case AARCH64_FPSIMD_MAGIC
:
319 case AARCH64_SVE_MAGIC
:
321 /* Check if the section is followed by a full SVE dump, and set
322 sve_regs if it is. */
326 if (!tdep
->has_sve ())
329 if (target_read_memory (section
+ AARCH64_SVE_CONTEXT_VL_OFFSET
,
335 vq
= sve_vq_from_vl (extract_unsigned_integer (buf
, 2, byte_order
));
338 error (_("Invalid vector length in signal frame %d vs %s."), vq
,
339 pulongest (tdep
->vq
));
341 if (size
>= AARCH64_SVE_CONTEXT_SIZE (vq
))
342 sve_regs
= section
+ AARCH64_SVE_CONTEXT_REGS_OFFSET
;
348 case AARCH64_EXTRA_MAGIC
:
350 /* Extra is always the last valid section in reserved and points to
351 an additional block of memory filled with more sections. Reset
352 the address to the extra section and continue looking for more
356 if (target_read_memory (section
+ AARCH64_EXTRA_DATAP_OFFSET
,
363 section
= extract_unsigned_integer (buf
, 8, byte_order
);
373 /* Prevent searching past the end of the reserved section. The extra
374 section does not have a hard coded limit - we have to rely on it ending
376 if (!extra_found
&& section
> section_end
)
384 for (int i
= 0; i
< 32; i
++)
386 offset
= sve_regs
+ (i
* tdep
->vq
* 16);
387 trad_frame_set_reg_addr (this_cache
, AARCH64_SVE_Z0_REGNUM
+ i
,
389 trad_frame_set_reg_addr (this_cache
,
390 num_regs
+ AARCH64_SVE_V0_REGNUM
+ i
,
392 trad_frame_set_reg_addr (this_cache
, num_regs
+ AARCH64_Q0_REGNUM
+ i
,
394 trad_frame_set_reg_addr (this_cache
, num_regs
+ AARCH64_D0_REGNUM
+ i
,
396 trad_frame_set_reg_addr (this_cache
, num_regs
+ AARCH64_S0_REGNUM
+ i
,
398 trad_frame_set_reg_addr (this_cache
, num_regs
+ AARCH64_H0_REGNUM
+ i
,
400 trad_frame_set_reg_addr (this_cache
, num_regs
+ AARCH64_B0_REGNUM
+ i
,
404 offset
= sve_regs
+ AARCH64_SVE_CONTEXT_P_REGS_OFFSET (tdep
->vq
);
405 for (int i
= 0; i
< 16; i
++)
406 trad_frame_set_reg_addr (this_cache
, AARCH64_SVE_P0_REGNUM
+ i
,
407 offset
+ (i
* tdep
->vq
* 2));
409 offset
= sve_regs
+ AARCH64_SVE_CONTEXT_FFR_OFFSET (tdep
->vq
);
410 trad_frame_set_reg_addr (this_cache
, AARCH64_SVE_FFR_REGNUM
, offset
);
415 trad_frame_set_reg_addr (this_cache
, AARCH64_FPSR_REGNUM
,
416 fpsimd
+ AARCH64_FPSIMD_FPSR_OFFSET
);
417 trad_frame_set_reg_addr (this_cache
, AARCH64_FPCR_REGNUM
,
418 fpsimd
+ AARCH64_FPSIMD_FPCR_OFFSET
);
420 /* If there was no SVE section then set up the V registers. */
423 for (int i
= 0; i
< 32; i
++)
425 CORE_ADDR offset
= (fpsimd
+ AARCH64_FPSIMD_V0_OFFSET
426 + (i
* AARCH64_FPSIMD_VREG_SIZE
));
428 aarch64_linux_restore_vreg (this_cache
, num_regs
, i
, offset
,
429 byte_order
, tdep
->has_sve ());
434 trad_frame_set_id (this_cache
, frame_id_build (sp
, func
));
437 static const struct tramp_frame aarch64_linux_rt_sigframe
=
442 /* movz x8, 0x8b (S=1,o=10,h=0,i=0x8b,r=8)
443 Soo1 0010 1hhi iiii iiii iiii iiir rrrr */
444 {0xd2801168, ULONGEST_MAX
},
446 /* svc 0x0 (o=0, l=1)
447 1101 0100 oooi iiii iiii iiii iii0 00ll */
448 {0xd4000001, ULONGEST_MAX
},
449 {TRAMP_SENTINEL_INSN
, ULONGEST_MAX
}
451 aarch64_linux_sigframe_init
456 static const struct regcache_map_entry aarch64_linux_gregmap
[] =
458 { 31, AARCH64_X0_REGNUM
, 8 }, /* x0 ... x30 */
459 { 1, AARCH64_SP_REGNUM
, 8 },
460 { 1, AARCH64_PC_REGNUM
, 8 },
461 { 1, AARCH64_CPSR_REGNUM
, 8 },
465 static const struct regcache_map_entry aarch64_linux_fpregmap
[] =
467 { 32, AARCH64_V0_REGNUM
, 16 }, /* v0 ... v31 */
468 { 1, AARCH64_FPSR_REGNUM
, 4 },
469 { 1, AARCH64_FPCR_REGNUM
, 4 },
473 /* Register set definitions. */
475 const struct regset aarch64_linux_gregset
=
477 aarch64_linux_gregmap
,
478 regcache_supply_regset
, regcache_collect_regset
481 const struct regset aarch64_linux_fpregset
=
483 aarch64_linux_fpregmap
,
484 regcache_supply_regset
, regcache_collect_regset
487 /* The fields in an SVE header at the start of a SVE regset. */
489 #define SVE_HEADER_SIZE_LENGTH 4
490 #define SVE_HEADER_MAX_SIZE_LENGTH 4
491 #define SVE_HEADER_VL_LENGTH 2
492 #define SVE_HEADER_MAX_VL_LENGTH 2
493 #define SVE_HEADER_FLAGS_LENGTH 2
494 #define SVE_HEADER_RESERVED_LENGTH 2
496 #define SVE_HEADER_SIZE_OFFSET 0
497 #define SVE_HEADER_MAX_SIZE_OFFSET \
498 (SVE_HEADER_SIZE_OFFSET + SVE_HEADER_SIZE_LENGTH)
499 #define SVE_HEADER_VL_OFFSET \
500 (SVE_HEADER_MAX_SIZE_OFFSET + SVE_HEADER_MAX_SIZE_LENGTH)
501 #define SVE_HEADER_MAX_VL_OFFSET \
502 (SVE_HEADER_VL_OFFSET + SVE_HEADER_VL_LENGTH)
503 #define SVE_HEADER_FLAGS_OFFSET \
504 (SVE_HEADER_MAX_VL_OFFSET + SVE_HEADER_MAX_VL_LENGTH)
505 #define SVE_HEADER_RESERVED_OFFSET \
506 (SVE_HEADER_FLAGS_OFFSET + SVE_HEADER_FLAGS_LENGTH)
507 #define SVE_HEADER_SIZE \
508 (SVE_HEADER_RESERVED_OFFSET + SVE_HEADER_RESERVED_LENGTH)
510 #define SVE_HEADER_FLAG_SVE 1
512 /* Get VQ value from SVE section in the core dump. */
515 aarch64_linux_core_read_vq (struct gdbarch
*gdbarch
, bfd
*abfd
)
517 gdb_byte header
[SVE_HEADER_SIZE
];
518 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
519 asection
*sve_section
= bfd_get_section_by_name (abfd
, ".reg-aarch-sve");
521 if (sve_section
== nullptr)
527 size_t size
= bfd_section_size (sve_section
);
529 /* Check extended state size. */
530 if (size
< SVE_HEADER_SIZE
)
532 warning (_("'.reg-aarch-sve' section in core file too small."));
536 if (!bfd_get_section_contents (abfd
, sve_section
, header
, 0, SVE_HEADER_SIZE
))
538 warning (_("Couldn't read sve header from "
539 "'.reg-aarch-sve' section in core file."));
543 uint64_t vl
= extract_unsigned_integer (header
+ SVE_HEADER_VL_OFFSET
,
544 SVE_HEADER_VL_LENGTH
, byte_order
);
545 uint64_t vq
= sve_vq_from_vl (vl
);
547 if (vq
> AARCH64_MAX_SVE_VQ
)
549 warning (_("SVE Vector length in core file not supported by this version"
550 " of GDB. (VQ=%s)"), pulongest (vq
));
555 warning (_("SVE Vector length in core file is invalid. (VQ=%s"),
563 /* Supply register REGNUM from BUF to REGCACHE, using the register map
564 in REGSET. If REGNUM is -1, do this for all registers in REGSET.
565 If BUF is NULL, set the registers to "unavailable" status. */
568 aarch64_linux_supply_sve_regset (const struct regset
*regset
,
569 struct regcache
*regcache
,
570 int regnum
, const void *buf
, size_t size
)
572 gdb_byte
*header
= (gdb_byte
*) buf
;
573 struct gdbarch
*gdbarch
= regcache
->arch ();
574 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
577 return regcache
->supply_regset (regset
, regnum
, nullptr, size
);
578 gdb_assert (size
> SVE_HEADER_SIZE
);
580 /* BUF contains an SVE header followed by a register dump of either the
581 passed in SVE regset or a NEON fpregset. */
583 /* Extract required fields from the header. */
584 ULONGEST vl
= extract_unsigned_integer (header
+ SVE_HEADER_VL_OFFSET
,
585 SVE_HEADER_VL_LENGTH
, byte_order
);
586 uint16_t flags
= extract_unsigned_integer (header
+ SVE_HEADER_FLAGS_OFFSET
,
587 SVE_HEADER_FLAGS_LENGTH
,
590 if (regnum
== -1 || regnum
== AARCH64_SVE_VG_REGNUM
)
592 gdb_byte vg_target
[8];
593 store_integer ((gdb_byte
*)&vg_target
, sizeof (uint64_t), byte_order
,
594 sve_vg_from_vl (vl
));
595 regcache
->raw_supply (AARCH64_SVE_VG_REGNUM
, &vg_target
);
598 if (flags
& SVE_HEADER_FLAG_SVE
)
600 /* Register dump is a SVE structure. */
601 regcache
->supply_regset (regset
, regnum
,
602 (gdb_byte
*) buf
+ SVE_HEADER_SIZE
,
603 size
- SVE_HEADER_SIZE
);
607 /* Register dump is a fpsimd structure. First clear the SVE
609 for (int i
= 0; i
< AARCH64_SVE_Z_REGS_NUM
; i
++)
610 regcache
->raw_supply_zeroed (AARCH64_SVE_Z0_REGNUM
+ i
);
611 for (int i
= 0; i
< AARCH64_SVE_P_REGS_NUM
; i
++)
612 regcache
->raw_supply_zeroed (AARCH64_SVE_P0_REGNUM
+ i
);
613 regcache
->raw_supply_zeroed (AARCH64_SVE_FFR_REGNUM
);
615 /* Then supply the fpsimd registers. */
616 regcache
->supply_regset (&aarch64_linux_fpregset
, regnum
,
617 (gdb_byte
*) buf
+ SVE_HEADER_SIZE
,
618 size
- SVE_HEADER_SIZE
);
622 /* Collect register REGNUM from REGCACHE to BUF, using the register
623 map in REGSET. If REGNUM is -1, do this for all registers in
627 aarch64_linux_collect_sve_regset (const struct regset
*regset
,
628 const struct regcache
*regcache
,
629 int regnum
, void *buf
, size_t size
)
631 gdb_byte
*header
= (gdb_byte
*) buf
;
632 struct gdbarch
*gdbarch
= regcache
->arch ();
633 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
634 uint64_t vq
= gdbarch_tdep (gdbarch
)->vq
;
636 gdb_assert (buf
!= NULL
);
637 gdb_assert (size
> SVE_HEADER_SIZE
);
639 /* BUF starts with a SVE header prior to the register dump. */
641 store_unsigned_integer (header
+ SVE_HEADER_SIZE_OFFSET
,
642 SVE_HEADER_SIZE_LENGTH
, byte_order
, size
);
643 store_unsigned_integer (header
+ SVE_HEADER_MAX_SIZE_OFFSET
,
644 SVE_HEADER_MAX_SIZE_LENGTH
, byte_order
, size
);
645 store_unsigned_integer (header
+ SVE_HEADER_VL_OFFSET
, SVE_HEADER_VL_LENGTH
,
646 byte_order
, sve_vl_from_vq (vq
));
647 store_unsigned_integer (header
+ SVE_HEADER_MAX_VL_OFFSET
,
648 SVE_HEADER_MAX_VL_LENGTH
, byte_order
,
649 sve_vl_from_vq (vq
));
650 store_unsigned_integer (header
+ SVE_HEADER_FLAGS_OFFSET
,
651 SVE_HEADER_FLAGS_LENGTH
, byte_order
,
652 SVE_HEADER_FLAG_SVE
);
653 store_unsigned_integer (header
+ SVE_HEADER_RESERVED_OFFSET
,
654 SVE_HEADER_RESERVED_LENGTH
, byte_order
, 0);
656 /* The SVE register dump follows. */
657 regcache
->collect_regset (regset
, regnum
, (gdb_byte
*) buf
+ SVE_HEADER_SIZE
,
658 size
- SVE_HEADER_SIZE
);
661 /* Implement the "iterate_over_regset_sections" gdbarch method. */
664 aarch64_linux_iterate_over_regset_sections (struct gdbarch
*gdbarch
,
665 iterate_over_regset_sections_cb
*cb
,
667 const struct regcache
*regcache
)
669 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
671 cb (".reg", AARCH64_LINUX_SIZEOF_GREGSET
, AARCH64_LINUX_SIZEOF_GREGSET
,
672 &aarch64_linux_gregset
, NULL
, cb_data
);
674 if (tdep
->has_sve ())
676 /* Create this on the fly in order to handle vector register sizes. */
677 const struct regcache_map_entry sve_regmap
[] =
679 { 32, AARCH64_SVE_Z0_REGNUM
, (int) (tdep
->vq
* 16) },
680 { 16, AARCH64_SVE_P0_REGNUM
, (int) (tdep
->vq
* 16 / 8) },
681 { 1, AARCH64_SVE_FFR_REGNUM
, 4 },
682 { 1, AARCH64_FPSR_REGNUM
, 4 },
683 { 1, AARCH64_FPCR_REGNUM
, 4 },
687 const struct regset aarch64_linux_sve_regset
=
690 aarch64_linux_supply_sve_regset
, aarch64_linux_collect_sve_regset
,
694 cb (".reg-aarch-sve",
695 SVE_HEADER_SIZE
+ regcache_map_entry_size (aarch64_linux_fpregmap
),
696 SVE_HEADER_SIZE
+ regcache_map_entry_size (sve_regmap
),
697 &aarch64_linux_sve_regset
, "SVE registers", cb_data
);
700 cb (".reg2", AARCH64_LINUX_SIZEOF_FPREGSET
, AARCH64_LINUX_SIZEOF_FPREGSET
,
701 &aarch64_linux_fpregset
, NULL
, cb_data
);
704 if (tdep
->has_pauth ())
706 /* Create this on the fly in order to handle the variable location. */
707 const struct regcache_map_entry pauth_regmap
[] =
709 { 2, AARCH64_PAUTH_DMASK_REGNUM (tdep
->pauth_reg_base
), 8},
713 const struct regset aarch64_linux_pauth_regset
=
715 pauth_regmap
, regcache_supply_regset
, regcache_collect_regset
718 cb (".reg-aarch-pauth", AARCH64_LINUX_SIZEOF_PAUTH
,
719 AARCH64_LINUX_SIZEOF_PAUTH
, &aarch64_linux_pauth_regset
,
720 "pauth registers", cb_data
);
724 /* Implement the "core_read_description" gdbarch method. */
726 static const struct target_desc
*
727 aarch64_linux_core_read_description (struct gdbarch
*gdbarch
,
728 struct target_ops
*target
, bfd
*abfd
)
730 CORE_ADDR hwcap
= linux_get_hwcap (target
);
732 return aarch64_read_description (aarch64_linux_core_read_vq (gdbarch
, abfd
),
733 hwcap
& AARCH64_HWCAP_PACA
);
736 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
740 aarch64_stap_is_single_operand (struct gdbarch
*gdbarch
, const char *s
)
742 return (*s
== '#' || isdigit (*s
) /* Literal number. */
743 || *s
== '[' /* Register indirection. */
744 || isalpha (*s
)); /* Register value. */
747 /* This routine is used to parse a special token in AArch64's assembly.
749 The special tokens parsed by it are:
751 - Register displacement (e.g, [fp, #-8])
753 It returns one if the special token has been parsed successfully,
754 or zero if the current token is not considered special. */
757 aarch64_stap_parse_special_token (struct gdbarch
*gdbarch
,
758 struct stap_parse_info
*p
)
762 /* Temporary holder for lookahead. */
763 const char *tmp
= p
->arg
;
765 /* Used to save the register name. */
777 while (isalnum (*tmp
))
784 regname
= (char *) alloca (len
+ 2);
786 strncpy (regname
, start
, len
);
789 if (user_reg_map_name_to_regnum (gdbarch
, regname
, len
) == -1)
790 error (_("Invalid register name `%s' on expression `%s'."),
791 regname
, p
->saved_arg
);
794 tmp
= skip_spaces (tmp
);
795 /* Now we expect a number. It can begin with '#' or simply
805 else if (*tmp
== '+')
811 displacement
= strtol (tmp
, &endp
, 10);
814 /* Skipping last `]'. */
818 /* The displacement. */
819 write_exp_elt_opcode (&p
->pstate
, OP_LONG
);
820 write_exp_elt_type (&p
->pstate
, builtin_type (gdbarch
)->builtin_long
);
821 write_exp_elt_longcst (&p
->pstate
, displacement
);
822 write_exp_elt_opcode (&p
->pstate
, OP_LONG
);
824 write_exp_elt_opcode (&p
->pstate
, UNOP_NEG
);
826 /* The register name. */
827 write_exp_elt_opcode (&p
->pstate
, OP_REGISTER
);
830 write_exp_string (&p
->pstate
, str
);
831 write_exp_elt_opcode (&p
->pstate
, OP_REGISTER
);
833 write_exp_elt_opcode (&p
->pstate
, BINOP_ADD
);
835 /* Casting to the expected type. */
836 write_exp_elt_opcode (&p
->pstate
, UNOP_CAST
);
837 write_exp_elt_type (&p
->pstate
, lookup_pointer_type (p
->arg_type
));
838 write_exp_elt_opcode (&p
->pstate
, UNOP_CAST
);
840 write_exp_elt_opcode (&p
->pstate
, UNOP_IND
);
850 /* AArch64 process record-replay constructs: syscall, signal etc. */
852 static linux_record_tdep aarch64_linux_record_tdep
;
854 /* Enum that defines the AArch64 linux specific syscall identifiers used for
855 process record/replay. */
857 enum aarch64_syscall
{
858 aarch64_sys_io_setup
= 0,
859 aarch64_sys_io_destroy
= 1,
860 aarch64_sys_io_submit
= 2,
861 aarch64_sys_io_cancel
= 3,
862 aarch64_sys_io_getevents
= 4,
863 aarch64_sys_setxattr
= 5,
864 aarch64_sys_lsetxattr
= 6,
865 aarch64_sys_fsetxattr
= 7,
866 aarch64_sys_getxattr
= 8,
867 aarch64_sys_lgetxattr
= 9,
868 aarch64_sys_fgetxattr
= 10,
869 aarch64_sys_listxattr
= 11,
870 aarch64_sys_llistxattr
= 12,
871 aarch64_sys_flistxattr
= 13,
872 aarch64_sys_removexattr
= 14,
873 aarch64_sys_lremovexattr
= 15,
874 aarch64_sys_fremovexattr
= 16,
875 aarch64_sys_getcwd
= 17,
876 aarch64_sys_lookup_dcookie
= 18,
877 aarch64_sys_eventfd2
= 19,
878 aarch64_sys_epoll_create1
= 20,
879 aarch64_sys_epoll_ctl
= 21,
880 aarch64_sys_epoll_pwait
= 22,
881 aarch64_sys_dup
= 23,
882 aarch64_sys_dup3
= 24,
883 aarch64_sys_fcntl
= 25,
884 aarch64_sys_inotify_init1
= 26,
885 aarch64_sys_inotify_add_watch
= 27,
886 aarch64_sys_inotify_rm_watch
= 28,
887 aarch64_sys_ioctl
= 29,
888 aarch64_sys_ioprio_set
= 30,
889 aarch64_sys_ioprio_get
= 31,
890 aarch64_sys_flock
= 32,
891 aarch64_sys_mknodat
= 33,
892 aarch64_sys_mkdirat
= 34,
893 aarch64_sys_unlinkat
= 35,
894 aarch64_sys_symlinkat
= 36,
895 aarch64_sys_linkat
= 37,
896 aarch64_sys_renameat
= 38,
897 aarch64_sys_umount2
= 39,
898 aarch64_sys_mount
= 40,
899 aarch64_sys_pivot_root
= 41,
900 aarch64_sys_nfsservctl
= 42,
901 aarch64_sys_statfs
= 43,
902 aarch64_sys_fstatfs
= 44,
903 aarch64_sys_truncate
= 45,
904 aarch64_sys_ftruncate
= 46,
905 aarch64_sys_fallocate
= 47,
906 aarch64_sys_faccessat
= 48,
907 aarch64_sys_chdir
= 49,
908 aarch64_sys_fchdir
= 50,
909 aarch64_sys_chroot
= 51,
910 aarch64_sys_fchmod
= 52,
911 aarch64_sys_fchmodat
= 53,
912 aarch64_sys_fchownat
= 54,
913 aarch64_sys_fchown
= 55,
914 aarch64_sys_openat
= 56,
915 aarch64_sys_close
= 57,
916 aarch64_sys_vhangup
= 58,
917 aarch64_sys_pipe2
= 59,
918 aarch64_sys_quotactl
= 60,
919 aarch64_sys_getdents64
= 61,
920 aarch64_sys_lseek
= 62,
921 aarch64_sys_read
= 63,
922 aarch64_sys_write
= 64,
923 aarch64_sys_readv
= 65,
924 aarch64_sys_writev
= 66,
925 aarch64_sys_pread64
= 67,
926 aarch64_sys_pwrite64
= 68,
927 aarch64_sys_preadv
= 69,
928 aarch64_sys_pwritev
= 70,
929 aarch64_sys_sendfile
= 71,
930 aarch64_sys_pselect6
= 72,
931 aarch64_sys_ppoll
= 73,
932 aarch64_sys_signalfd4
= 74,
933 aarch64_sys_vmsplice
= 75,
934 aarch64_sys_splice
= 76,
935 aarch64_sys_tee
= 77,
936 aarch64_sys_readlinkat
= 78,
937 aarch64_sys_newfstatat
= 79,
938 aarch64_sys_fstat
= 80,
939 aarch64_sys_sync
= 81,
940 aarch64_sys_fsync
= 82,
941 aarch64_sys_fdatasync
= 83,
942 aarch64_sys_sync_file_range2
= 84,
943 aarch64_sys_sync_file_range
= 84,
944 aarch64_sys_timerfd_create
= 85,
945 aarch64_sys_timerfd_settime
= 86,
946 aarch64_sys_timerfd_gettime
= 87,
947 aarch64_sys_utimensat
= 88,
948 aarch64_sys_acct
= 89,
949 aarch64_sys_capget
= 90,
950 aarch64_sys_capset
= 91,
951 aarch64_sys_personality
= 92,
952 aarch64_sys_exit
= 93,
953 aarch64_sys_exit_group
= 94,
954 aarch64_sys_waitid
= 95,
955 aarch64_sys_set_tid_address
= 96,
956 aarch64_sys_unshare
= 97,
957 aarch64_sys_futex
= 98,
958 aarch64_sys_set_robust_list
= 99,
959 aarch64_sys_get_robust_list
= 100,
960 aarch64_sys_nanosleep
= 101,
961 aarch64_sys_getitimer
= 102,
962 aarch64_sys_setitimer
= 103,
963 aarch64_sys_kexec_load
= 104,
964 aarch64_sys_init_module
= 105,
965 aarch64_sys_delete_module
= 106,
966 aarch64_sys_timer_create
= 107,
967 aarch64_sys_timer_gettime
= 108,
968 aarch64_sys_timer_getoverrun
= 109,
969 aarch64_sys_timer_settime
= 110,
970 aarch64_sys_timer_delete
= 111,
971 aarch64_sys_clock_settime
= 112,
972 aarch64_sys_clock_gettime
= 113,
973 aarch64_sys_clock_getres
= 114,
974 aarch64_sys_clock_nanosleep
= 115,
975 aarch64_sys_syslog
= 116,
976 aarch64_sys_ptrace
= 117,
977 aarch64_sys_sched_setparam
= 118,
978 aarch64_sys_sched_setscheduler
= 119,
979 aarch64_sys_sched_getscheduler
= 120,
980 aarch64_sys_sched_getparam
= 121,
981 aarch64_sys_sched_setaffinity
= 122,
982 aarch64_sys_sched_getaffinity
= 123,
983 aarch64_sys_sched_yield
= 124,
984 aarch64_sys_sched_get_priority_max
= 125,
985 aarch64_sys_sched_get_priority_min
= 126,
986 aarch64_sys_sched_rr_get_interval
= 127,
987 aarch64_sys_kill
= 129,
988 aarch64_sys_tkill
= 130,
989 aarch64_sys_tgkill
= 131,
990 aarch64_sys_sigaltstack
= 132,
991 aarch64_sys_rt_sigsuspend
= 133,
992 aarch64_sys_rt_sigaction
= 134,
993 aarch64_sys_rt_sigprocmask
= 135,
994 aarch64_sys_rt_sigpending
= 136,
995 aarch64_sys_rt_sigtimedwait
= 137,
996 aarch64_sys_rt_sigqueueinfo
= 138,
997 aarch64_sys_rt_sigreturn
= 139,
998 aarch64_sys_setpriority
= 140,
999 aarch64_sys_getpriority
= 141,
1000 aarch64_sys_reboot
= 142,
1001 aarch64_sys_setregid
= 143,
1002 aarch64_sys_setgid
= 144,
1003 aarch64_sys_setreuid
= 145,
1004 aarch64_sys_setuid
= 146,
1005 aarch64_sys_setresuid
= 147,
1006 aarch64_sys_getresuid
= 148,
1007 aarch64_sys_setresgid
= 149,
1008 aarch64_sys_getresgid
= 150,
1009 aarch64_sys_setfsuid
= 151,
1010 aarch64_sys_setfsgid
= 152,
1011 aarch64_sys_times
= 153,
1012 aarch64_sys_setpgid
= 154,
1013 aarch64_sys_getpgid
= 155,
1014 aarch64_sys_getsid
= 156,
1015 aarch64_sys_setsid
= 157,
1016 aarch64_sys_getgroups
= 158,
1017 aarch64_sys_setgroups
= 159,
1018 aarch64_sys_uname
= 160,
1019 aarch64_sys_sethostname
= 161,
1020 aarch64_sys_setdomainname
= 162,
1021 aarch64_sys_getrlimit
= 163,
1022 aarch64_sys_setrlimit
= 164,
1023 aarch64_sys_getrusage
= 165,
1024 aarch64_sys_umask
= 166,
1025 aarch64_sys_prctl
= 167,
1026 aarch64_sys_getcpu
= 168,
1027 aarch64_sys_gettimeofday
= 169,
1028 aarch64_sys_settimeofday
= 170,
1029 aarch64_sys_adjtimex
= 171,
1030 aarch64_sys_getpid
= 172,
1031 aarch64_sys_getppid
= 173,
1032 aarch64_sys_getuid
= 174,
1033 aarch64_sys_geteuid
= 175,
1034 aarch64_sys_getgid
= 176,
1035 aarch64_sys_getegid
= 177,
1036 aarch64_sys_gettid
= 178,
1037 aarch64_sys_sysinfo
= 179,
1038 aarch64_sys_mq_open
= 180,
1039 aarch64_sys_mq_unlink
= 181,
1040 aarch64_sys_mq_timedsend
= 182,
1041 aarch64_sys_mq_timedreceive
= 183,
1042 aarch64_sys_mq_notify
= 184,
1043 aarch64_sys_mq_getsetattr
= 185,
1044 aarch64_sys_msgget
= 186,
1045 aarch64_sys_msgctl
= 187,
1046 aarch64_sys_msgrcv
= 188,
1047 aarch64_sys_msgsnd
= 189,
1048 aarch64_sys_semget
= 190,
1049 aarch64_sys_semctl
= 191,
1050 aarch64_sys_semtimedop
= 192,
1051 aarch64_sys_semop
= 193,
1052 aarch64_sys_shmget
= 194,
1053 aarch64_sys_shmctl
= 195,
1054 aarch64_sys_shmat
= 196,
1055 aarch64_sys_shmdt
= 197,
1056 aarch64_sys_socket
= 198,
1057 aarch64_sys_socketpair
= 199,
1058 aarch64_sys_bind
= 200,
1059 aarch64_sys_listen
= 201,
1060 aarch64_sys_accept
= 202,
1061 aarch64_sys_connect
= 203,
1062 aarch64_sys_getsockname
= 204,
1063 aarch64_sys_getpeername
= 205,
1064 aarch64_sys_sendto
= 206,
1065 aarch64_sys_recvfrom
= 207,
1066 aarch64_sys_setsockopt
= 208,
1067 aarch64_sys_getsockopt
= 209,
1068 aarch64_sys_shutdown
= 210,
1069 aarch64_sys_sendmsg
= 211,
1070 aarch64_sys_recvmsg
= 212,
1071 aarch64_sys_readahead
= 213,
1072 aarch64_sys_brk
= 214,
1073 aarch64_sys_munmap
= 215,
1074 aarch64_sys_mremap
= 216,
1075 aarch64_sys_add_key
= 217,
1076 aarch64_sys_request_key
= 218,
1077 aarch64_sys_keyctl
= 219,
1078 aarch64_sys_clone
= 220,
1079 aarch64_sys_execve
= 221,
1080 aarch64_sys_mmap
= 222,
1081 aarch64_sys_fadvise64
= 223,
1082 aarch64_sys_swapon
= 224,
1083 aarch64_sys_swapoff
= 225,
1084 aarch64_sys_mprotect
= 226,
1085 aarch64_sys_msync
= 227,
1086 aarch64_sys_mlock
= 228,
1087 aarch64_sys_munlock
= 229,
1088 aarch64_sys_mlockall
= 230,
1089 aarch64_sys_munlockall
= 231,
1090 aarch64_sys_mincore
= 232,
1091 aarch64_sys_madvise
= 233,
1092 aarch64_sys_remap_file_pages
= 234,
1093 aarch64_sys_mbind
= 235,
1094 aarch64_sys_get_mempolicy
= 236,
1095 aarch64_sys_set_mempolicy
= 237,
1096 aarch64_sys_migrate_pages
= 238,
1097 aarch64_sys_move_pages
= 239,
1098 aarch64_sys_rt_tgsigqueueinfo
= 240,
1099 aarch64_sys_perf_event_open
= 241,
1100 aarch64_sys_accept4
= 242,
1101 aarch64_sys_recvmmsg
= 243,
1102 aarch64_sys_wait4
= 260,
1103 aarch64_sys_prlimit64
= 261,
1104 aarch64_sys_fanotify_init
= 262,
1105 aarch64_sys_fanotify_mark
= 263,
1106 aarch64_sys_name_to_handle_at
= 264,
1107 aarch64_sys_open_by_handle_at
= 265,
1108 aarch64_sys_clock_adjtime
= 266,
1109 aarch64_sys_syncfs
= 267,
1110 aarch64_sys_setns
= 268,
1111 aarch64_sys_sendmmsg
= 269,
1112 aarch64_sys_process_vm_readv
= 270,
1113 aarch64_sys_process_vm_writev
= 271,
1114 aarch64_sys_kcmp
= 272,
1115 aarch64_sys_finit_module
= 273,
1116 aarch64_sys_sched_setattr
= 274,
1117 aarch64_sys_sched_getattr
= 275,
1120 /* aarch64_canonicalize_syscall maps syscall ids from the native AArch64
1121 linux set of syscall ids into a canonical set of syscall ids used by
1124 static enum gdb_syscall
1125 aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number
)
1127 #define SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
1128 return gdb_sys_##SYSCALL
1130 #define UNSUPPORTED_SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
1131 return gdb_sys_no_syscall
1133 switch (syscall_number
)
1135 SYSCALL_MAP (io_setup
);
1136 SYSCALL_MAP (io_destroy
);
1137 SYSCALL_MAP (io_submit
);
1138 SYSCALL_MAP (io_cancel
);
1139 SYSCALL_MAP (io_getevents
);
1141 SYSCALL_MAP (setxattr
);
1142 SYSCALL_MAP (lsetxattr
);
1143 SYSCALL_MAP (fsetxattr
);
1144 SYSCALL_MAP (getxattr
);
1145 SYSCALL_MAP (lgetxattr
);
1146 SYSCALL_MAP (fgetxattr
);
1147 SYSCALL_MAP (listxattr
);
1148 SYSCALL_MAP (llistxattr
);
1149 SYSCALL_MAP (flistxattr
);
1150 SYSCALL_MAP (removexattr
);
1151 SYSCALL_MAP (lremovexattr
);
1152 SYSCALL_MAP (fremovexattr
);
1153 SYSCALL_MAP (getcwd
);
1154 SYSCALL_MAP (lookup_dcookie
);
1155 SYSCALL_MAP (eventfd2
);
1156 SYSCALL_MAP (epoll_create1
);
1157 SYSCALL_MAP (epoll_ctl
);
1158 SYSCALL_MAP (epoll_pwait
);
1161 SYSCALL_MAP (fcntl
);
1162 SYSCALL_MAP (inotify_init1
);
1163 SYSCALL_MAP (inotify_add_watch
);
1164 SYSCALL_MAP (inotify_rm_watch
);
1165 SYSCALL_MAP (ioctl
);
1166 SYSCALL_MAP (ioprio_set
);
1167 SYSCALL_MAP (ioprio_get
);
1168 SYSCALL_MAP (flock
);
1169 SYSCALL_MAP (mknodat
);
1170 SYSCALL_MAP (mkdirat
);
1171 SYSCALL_MAP (unlinkat
);
1172 SYSCALL_MAP (symlinkat
);
1173 SYSCALL_MAP (linkat
);
1174 SYSCALL_MAP (renameat
);
1175 UNSUPPORTED_SYSCALL_MAP (umount2
);
1176 SYSCALL_MAP (mount
);
1177 SYSCALL_MAP (pivot_root
);
1178 SYSCALL_MAP (nfsservctl
);
1179 SYSCALL_MAP (statfs
);
1180 SYSCALL_MAP (truncate
);
1181 SYSCALL_MAP (ftruncate
);
1182 SYSCALL_MAP (fallocate
);
1183 SYSCALL_MAP (faccessat
);
1184 SYSCALL_MAP (fchdir
);
1185 SYSCALL_MAP (chroot
);
1186 SYSCALL_MAP (fchmod
);
1187 SYSCALL_MAP (fchmodat
);
1188 SYSCALL_MAP (fchownat
);
1189 SYSCALL_MAP (fchown
);
1190 SYSCALL_MAP (openat
);
1191 SYSCALL_MAP (close
);
1192 SYSCALL_MAP (vhangup
);
1193 SYSCALL_MAP (pipe2
);
1194 SYSCALL_MAP (quotactl
);
1195 SYSCALL_MAP (getdents64
);
1196 SYSCALL_MAP (lseek
);
1198 SYSCALL_MAP (write
);
1199 SYSCALL_MAP (readv
);
1200 SYSCALL_MAP (writev
);
1201 SYSCALL_MAP (pread64
);
1202 SYSCALL_MAP (pwrite64
);
1203 UNSUPPORTED_SYSCALL_MAP (preadv
);
1204 UNSUPPORTED_SYSCALL_MAP (pwritev
);
1205 SYSCALL_MAP (sendfile
);
1206 SYSCALL_MAP (pselect6
);
1207 SYSCALL_MAP (ppoll
);
1208 UNSUPPORTED_SYSCALL_MAP (signalfd4
);
1209 SYSCALL_MAP (vmsplice
);
1210 SYSCALL_MAP (splice
);
1212 SYSCALL_MAP (readlinkat
);
1213 SYSCALL_MAP (newfstatat
);
1215 SYSCALL_MAP (fstat
);
1217 SYSCALL_MAP (fsync
);
1218 SYSCALL_MAP (fdatasync
);
1219 SYSCALL_MAP (sync_file_range
);
1220 UNSUPPORTED_SYSCALL_MAP (timerfd_create
);
1221 UNSUPPORTED_SYSCALL_MAP (timerfd_settime
);
1222 UNSUPPORTED_SYSCALL_MAP (timerfd_gettime
);
1223 UNSUPPORTED_SYSCALL_MAP (utimensat
);
1225 SYSCALL_MAP (capget
);
1226 SYSCALL_MAP (capset
);
1227 SYSCALL_MAP (personality
);
1229 SYSCALL_MAP (exit_group
);
1230 SYSCALL_MAP (waitid
);
1231 SYSCALL_MAP (set_tid_address
);
1232 SYSCALL_MAP (unshare
);
1233 SYSCALL_MAP (futex
);
1234 SYSCALL_MAP (set_robust_list
);
1235 SYSCALL_MAP (get_robust_list
);
1236 SYSCALL_MAP (nanosleep
);
1238 SYSCALL_MAP (getitimer
);
1239 SYSCALL_MAP (setitimer
);
1240 SYSCALL_MAP (kexec_load
);
1241 SYSCALL_MAP (init_module
);
1242 SYSCALL_MAP (delete_module
);
1243 SYSCALL_MAP (timer_create
);
1244 SYSCALL_MAP (timer_settime
);
1245 SYSCALL_MAP (timer_gettime
);
1246 SYSCALL_MAP (timer_getoverrun
);
1247 SYSCALL_MAP (timer_delete
);
1248 SYSCALL_MAP (clock_settime
);
1249 SYSCALL_MAP (clock_gettime
);
1250 SYSCALL_MAP (clock_getres
);
1251 SYSCALL_MAP (clock_nanosleep
);
1252 SYSCALL_MAP (syslog
);
1253 SYSCALL_MAP (ptrace
);
1254 SYSCALL_MAP (sched_setparam
);
1255 SYSCALL_MAP (sched_setscheduler
);
1256 SYSCALL_MAP (sched_getscheduler
);
1257 SYSCALL_MAP (sched_getparam
);
1258 SYSCALL_MAP (sched_setaffinity
);
1259 SYSCALL_MAP (sched_getaffinity
);
1260 SYSCALL_MAP (sched_yield
);
1261 SYSCALL_MAP (sched_get_priority_max
);
1262 SYSCALL_MAP (sched_get_priority_min
);
1263 SYSCALL_MAP (sched_rr_get_interval
);
1265 SYSCALL_MAP (tkill
);
1266 SYSCALL_MAP (tgkill
);
1267 SYSCALL_MAP (sigaltstack
);
1268 SYSCALL_MAP (rt_sigsuspend
);
1269 SYSCALL_MAP (rt_sigaction
);
1270 SYSCALL_MAP (rt_sigprocmask
);
1271 SYSCALL_MAP (rt_sigpending
);
1272 SYSCALL_MAP (rt_sigtimedwait
);
1273 SYSCALL_MAP (rt_sigqueueinfo
);
1274 SYSCALL_MAP (rt_sigreturn
);
1275 SYSCALL_MAP (setpriority
);
1276 SYSCALL_MAP (getpriority
);
1277 SYSCALL_MAP (reboot
);
1278 SYSCALL_MAP (setregid
);
1279 SYSCALL_MAP (setgid
);
1280 SYSCALL_MAP (setreuid
);
1281 SYSCALL_MAP (setuid
);
1282 SYSCALL_MAP (setresuid
);
1283 SYSCALL_MAP (getresuid
);
1284 SYSCALL_MAP (setresgid
);
1285 SYSCALL_MAP (getresgid
);
1286 SYSCALL_MAP (setfsuid
);
1287 SYSCALL_MAP (setfsgid
);
1288 SYSCALL_MAP (times
);
1289 SYSCALL_MAP (setpgid
);
1290 SYSCALL_MAP (getpgid
);
1291 SYSCALL_MAP (getsid
);
1292 SYSCALL_MAP (setsid
);
1293 SYSCALL_MAP (getgroups
);
1294 SYSCALL_MAP (setgroups
);
1295 SYSCALL_MAP (uname
);
1296 SYSCALL_MAP (sethostname
);
1297 SYSCALL_MAP (setdomainname
);
1298 SYSCALL_MAP (getrlimit
);
1299 SYSCALL_MAP (setrlimit
);
1300 SYSCALL_MAP (getrusage
);
1301 SYSCALL_MAP (umask
);
1302 SYSCALL_MAP (prctl
);
1303 SYSCALL_MAP (getcpu
);
1304 SYSCALL_MAP (gettimeofday
);
1305 SYSCALL_MAP (settimeofday
);
1306 SYSCALL_MAP (adjtimex
);
1307 SYSCALL_MAP (getpid
);
1308 SYSCALL_MAP (getppid
);
1309 SYSCALL_MAP (getuid
);
1310 SYSCALL_MAP (geteuid
);
1311 SYSCALL_MAP (getgid
);
1312 SYSCALL_MAP (getegid
);
1313 SYSCALL_MAP (gettid
);
1314 SYSCALL_MAP (sysinfo
);
1315 SYSCALL_MAP (mq_open
);
1316 SYSCALL_MAP (mq_unlink
);
1317 SYSCALL_MAP (mq_timedsend
);
1318 SYSCALL_MAP (mq_timedreceive
);
1319 SYSCALL_MAP (mq_notify
);
1320 SYSCALL_MAP (mq_getsetattr
);
1321 SYSCALL_MAP (msgget
);
1322 SYSCALL_MAP (msgctl
);
1323 SYSCALL_MAP (msgrcv
);
1324 SYSCALL_MAP (msgsnd
);
1325 SYSCALL_MAP (semget
);
1326 SYSCALL_MAP (semctl
);
1327 SYSCALL_MAP (semtimedop
);
1328 SYSCALL_MAP (semop
);
1329 SYSCALL_MAP (shmget
);
1330 SYSCALL_MAP (shmctl
);
1331 SYSCALL_MAP (shmat
);
1332 SYSCALL_MAP (shmdt
);
1333 SYSCALL_MAP (socket
);
1334 SYSCALL_MAP (socketpair
);
1336 SYSCALL_MAP (listen
);
1337 SYSCALL_MAP (accept
);
1338 SYSCALL_MAP (connect
);
1339 SYSCALL_MAP (getsockname
);
1340 SYSCALL_MAP (getpeername
);
1341 SYSCALL_MAP (sendto
);
1342 SYSCALL_MAP (recvfrom
);
1343 SYSCALL_MAP (setsockopt
);
1344 SYSCALL_MAP (getsockopt
);
1345 SYSCALL_MAP (shutdown
);
1346 SYSCALL_MAP (sendmsg
);
1347 SYSCALL_MAP (recvmsg
);
1348 SYSCALL_MAP (readahead
);
1350 SYSCALL_MAP (munmap
);
1351 SYSCALL_MAP (mremap
);
1352 SYSCALL_MAP (add_key
);
1353 SYSCALL_MAP (request_key
);
1354 SYSCALL_MAP (keyctl
);
1355 SYSCALL_MAP (clone
);
1356 SYSCALL_MAP (execve
);
1358 case aarch64_sys_mmap
:
1359 return gdb_sys_mmap2
;
1361 SYSCALL_MAP (fadvise64
);
1362 SYSCALL_MAP (swapon
);
1363 SYSCALL_MAP (swapoff
);
1364 SYSCALL_MAP (mprotect
);
1365 SYSCALL_MAP (msync
);
1366 SYSCALL_MAP (mlock
);
1367 SYSCALL_MAP (munlock
);
1368 SYSCALL_MAP (mlockall
);
1369 SYSCALL_MAP (munlockall
);
1370 SYSCALL_MAP (mincore
);
1371 SYSCALL_MAP (madvise
);
1372 SYSCALL_MAP (remap_file_pages
);
1373 SYSCALL_MAP (mbind
);
1374 SYSCALL_MAP (get_mempolicy
);
1375 SYSCALL_MAP (set_mempolicy
);
1376 SYSCALL_MAP (migrate_pages
);
1377 SYSCALL_MAP (move_pages
);
1378 UNSUPPORTED_SYSCALL_MAP (rt_tgsigqueueinfo
);
1379 UNSUPPORTED_SYSCALL_MAP (perf_event_open
);
1380 UNSUPPORTED_SYSCALL_MAP (accept4
);
1381 UNSUPPORTED_SYSCALL_MAP (recvmmsg
);
1383 SYSCALL_MAP (wait4
);
1385 UNSUPPORTED_SYSCALL_MAP (prlimit64
);
1386 UNSUPPORTED_SYSCALL_MAP (fanotify_init
);
1387 UNSUPPORTED_SYSCALL_MAP (fanotify_mark
);
1388 UNSUPPORTED_SYSCALL_MAP (name_to_handle_at
);
1389 UNSUPPORTED_SYSCALL_MAP (open_by_handle_at
);
1390 UNSUPPORTED_SYSCALL_MAP (clock_adjtime
);
1391 UNSUPPORTED_SYSCALL_MAP (syncfs
);
1392 UNSUPPORTED_SYSCALL_MAP (setns
);
1393 UNSUPPORTED_SYSCALL_MAP (sendmmsg
);
1394 UNSUPPORTED_SYSCALL_MAP (process_vm_readv
);
1395 UNSUPPORTED_SYSCALL_MAP (process_vm_writev
);
1396 UNSUPPORTED_SYSCALL_MAP (kcmp
);
1397 UNSUPPORTED_SYSCALL_MAP (finit_module
);
1398 UNSUPPORTED_SYSCALL_MAP (sched_setattr
);
1399 UNSUPPORTED_SYSCALL_MAP (sched_getattr
);
1401 return gdb_sys_no_syscall
;
1405 /* Retrieve the syscall number at a ptrace syscall-stop, either on syscall entry
1406 or exit. Return -1 upon error. */
1409 aarch64_linux_get_syscall_number (struct gdbarch
*gdbarch
, thread_info
*thread
)
1411 struct regcache
*regs
= get_thread_regcache (thread
);
1414 /* Get the system call number from register x8. */
1415 regs
->cooked_read (AARCH64_X0_REGNUM
+ 8, &ret
);
1417 /* On exit from a successful execve, we will be in a new process and all the
1418 registers will be cleared - x0 to x30 will be 0, except for a 1 in x7.
1419 This function will only ever get called when stopped at the entry or exit
1420 of a syscall, so by checking for 0 in x0 (arg0/retval), x1 (arg1), x8
1421 (syscall), x29 (FP) and x30 (LR) we can infer:
1422 1) Either inferior is at exit from successful execve.
1423 2) Or inferior is at entry to a call to io_setup with invalid arguments and
1424 a corrupted FP and LR.
1425 It should be safe enough to assume case 1. */
1428 LONGEST x1
= -1, fp
= -1, lr
= -1;
1429 regs
->cooked_read (AARCH64_X0_REGNUM
+ 1, &x1
);
1430 regs
->cooked_read (AARCH64_FP_REGNUM
, &fp
);
1431 regs
->cooked_read (AARCH64_LR_REGNUM
, &lr
);
1432 if (x1
== 0 && fp
==0 && lr
== 0)
1433 return aarch64_sys_execve
;
1439 /* Record all registers but PC register for process-record. */
1442 aarch64_all_but_pc_registers_record (struct regcache
*regcache
)
1446 for (i
= AARCH64_X0_REGNUM
; i
< AARCH64_PC_REGNUM
; i
++)
1447 if (record_full_arch_list_add_reg (regcache
, i
))
1450 if (record_full_arch_list_add_reg (regcache
, AARCH64_CPSR_REGNUM
))
1456 /* Handler for aarch64 system call instruction recording. */
1459 aarch64_linux_syscall_record (struct regcache
*regcache
,
1460 unsigned long svc_number
)
1463 enum gdb_syscall syscall_gdb
;
1466 aarch64_canonicalize_syscall ((enum aarch64_syscall
) svc_number
);
1468 if (syscall_gdb
< 0)
1470 printf_unfiltered (_("Process record and replay target doesn't "
1471 "support syscall number %s\n"),
1472 plongest (svc_number
));
1476 if (syscall_gdb
== gdb_sys_sigreturn
1477 || syscall_gdb
== gdb_sys_rt_sigreturn
)
1479 if (aarch64_all_but_pc_registers_record (regcache
))
1484 ret
= record_linux_system_call (syscall_gdb
, regcache
,
1485 &aarch64_linux_record_tdep
);
1489 /* Record the return value of the system call. */
1490 if (record_full_arch_list_add_reg (regcache
, AARCH64_X0_REGNUM
))
1493 if (record_full_arch_list_add_reg (regcache
, AARCH64_LR_REGNUM
))
1496 if (record_full_arch_list_add_reg (regcache
, AARCH64_CPSR_REGNUM
))
1502 /* Implement the "gcc_target_options" gdbarch method. */
1505 aarch64_linux_gcc_target_options (struct gdbarch
*gdbarch
)
1507 /* GCC doesn't know "-m64". */
1512 aarch64_linux_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
1514 static const char *const stap_integer_prefixes
[] = { "#", "", NULL
};
1515 static const char *const stap_register_prefixes
[] = { "", NULL
};
1516 static const char *const stap_register_indirection_prefixes
[] = { "[",
1518 static const char *const stap_register_indirection_suffixes
[] = { "]",
1520 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
1522 tdep
->lowest_pc
= 0x8000;
1524 linux_init_abi (info
, gdbarch
, 1);
1526 set_solib_svr4_fetch_link_map_offsets (gdbarch
,
1527 svr4_lp64_fetch_link_map_offsets
);
1529 /* Enable TLS support. */
1530 set_gdbarch_fetch_tls_load_module_address (gdbarch
,
1531 svr4_fetch_objfile_link_map
);
1533 /* Shared library handling. */
1534 set_gdbarch_skip_trampoline_code (gdbarch
, find_solib_trampoline_target
);
1535 set_gdbarch_skip_solib_resolver (gdbarch
, glibc_skip_solib_resolver
);
1537 tramp_frame_prepend_unwinder (gdbarch
, &aarch64_linux_rt_sigframe
);
1539 /* Enable longjmp. */
1542 set_gdbarch_iterate_over_regset_sections
1543 (gdbarch
, aarch64_linux_iterate_over_regset_sections
);
1544 set_gdbarch_core_read_description
1545 (gdbarch
, aarch64_linux_core_read_description
);
1547 /* SystemTap related. */
1548 set_gdbarch_stap_integer_prefixes (gdbarch
, stap_integer_prefixes
);
1549 set_gdbarch_stap_register_prefixes (gdbarch
, stap_register_prefixes
);
1550 set_gdbarch_stap_register_indirection_prefixes (gdbarch
,
1551 stap_register_indirection_prefixes
);
1552 set_gdbarch_stap_register_indirection_suffixes (gdbarch
,
1553 stap_register_indirection_suffixes
);
1554 set_gdbarch_stap_is_single_operand (gdbarch
, aarch64_stap_is_single_operand
);
1555 set_gdbarch_stap_parse_special_token (gdbarch
,
1556 aarch64_stap_parse_special_token
);
1558 /* Reversible debugging, process record. */
1559 set_gdbarch_process_record (gdbarch
, aarch64_process_record
);
1560 /* Syscall record. */
1561 tdep
->aarch64_syscall_record
= aarch64_linux_syscall_record
;
1563 /* The top byte of a user space address known as the "tag",
1564 is ignored by the kernel and can be regarded as additional
1565 data associated with the address. */
1566 set_gdbarch_significant_addr_bit (gdbarch
, 56);
1568 /* Initialize the aarch64_linux_record_tdep. */
1569 /* These values are the size of the type that will be used in a system
1570 call. They are obtained from Linux Kernel source. */
1571 aarch64_linux_record_tdep
.size_pointer
1572 = gdbarch_ptr_bit (gdbarch
) / TARGET_CHAR_BIT
;
1573 aarch64_linux_record_tdep
.size__old_kernel_stat
= 32;
1574 aarch64_linux_record_tdep
.size_tms
= 32;
1575 aarch64_linux_record_tdep
.size_loff_t
= 8;
1576 aarch64_linux_record_tdep
.size_flock
= 32;
1577 aarch64_linux_record_tdep
.size_oldold_utsname
= 45;
1578 aarch64_linux_record_tdep
.size_ustat
= 32;
1579 aarch64_linux_record_tdep
.size_old_sigaction
= 32;
1580 aarch64_linux_record_tdep
.size_old_sigset_t
= 8;
1581 aarch64_linux_record_tdep
.size_rlimit
= 16;
1582 aarch64_linux_record_tdep
.size_rusage
= 144;
1583 aarch64_linux_record_tdep
.size_timeval
= 16;
1584 aarch64_linux_record_tdep
.size_timezone
= 8;
1585 aarch64_linux_record_tdep
.size_old_gid_t
= 2;
1586 aarch64_linux_record_tdep
.size_old_uid_t
= 2;
1587 aarch64_linux_record_tdep
.size_fd_set
= 128;
1588 aarch64_linux_record_tdep
.size_old_dirent
= 280;
1589 aarch64_linux_record_tdep
.size_statfs
= 120;
1590 aarch64_linux_record_tdep
.size_statfs64
= 120;
1591 aarch64_linux_record_tdep
.size_sockaddr
= 16;
1592 aarch64_linux_record_tdep
.size_int
1593 = gdbarch_int_bit (gdbarch
) / TARGET_CHAR_BIT
;
1594 aarch64_linux_record_tdep
.size_long
1595 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1596 aarch64_linux_record_tdep
.size_ulong
1597 = gdbarch_long_bit (gdbarch
) / TARGET_CHAR_BIT
;
1598 aarch64_linux_record_tdep
.size_msghdr
= 56;
1599 aarch64_linux_record_tdep
.size_itimerval
= 32;
1600 aarch64_linux_record_tdep
.size_stat
= 144;
1601 aarch64_linux_record_tdep
.size_old_utsname
= 325;
1602 aarch64_linux_record_tdep
.size_sysinfo
= 112;
1603 aarch64_linux_record_tdep
.size_msqid_ds
= 120;
1604 aarch64_linux_record_tdep
.size_shmid_ds
= 112;
1605 aarch64_linux_record_tdep
.size_new_utsname
= 390;
1606 aarch64_linux_record_tdep
.size_timex
= 208;
1607 aarch64_linux_record_tdep
.size_mem_dqinfo
= 24;
1608 aarch64_linux_record_tdep
.size_if_dqblk
= 72;
1609 aarch64_linux_record_tdep
.size_fs_quota_stat
= 80;
1610 aarch64_linux_record_tdep
.size_timespec
= 16;
1611 aarch64_linux_record_tdep
.size_pollfd
= 8;
1612 aarch64_linux_record_tdep
.size_NFS_FHSIZE
= 32;
1613 aarch64_linux_record_tdep
.size_knfsd_fh
= 132;
1614 aarch64_linux_record_tdep
.size_TASK_COMM_LEN
= 16;
1615 aarch64_linux_record_tdep
.size_sigaction
= 32;
1616 aarch64_linux_record_tdep
.size_sigset_t
= 8;
1617 aarch64_linux_record_tdep
.size_siginfo_t
= 128;
1618 aarch64_linux_record_tdep
.size_cap_user_data_t
= 8;
1619 aarch64_linux_record_tdep
.size_stack_t
= 24;
1620 aarch64_linux_record_tdep
.size_off_t
= 8;
1621 aarch64_linux_record_tdep
.size_stat64
= 144;
1622 aarch64_linux_record_tdep
.size_gid_t
= 4;
1623 aarch64_linux_record_tdep
.size_uid_t
= 4;
1624 aarch64_linux_record_tdep
.size_PAGE_SIZE
= 4096;
1625 aarch64_linux_record_tdep
.size_flock64
= 32;
1626 aarch64_linux_record_tdep
.size_user_desc
= 16;
1627 aarch64_linux_record_tdep
.size_io_event
= 32;
1628 aarch64_linux_record_tdep
.size_iocb
= 64;
1629 aarch64_linux_record_tdep
.size_epoll_event
= 12;
1630 aarch64_linux_record_tdep
.size_itimerspec
= 32;
1631 aarch64_linux_record_tdep
.size_mq_attr
= 64;
1632 aarch64_linux_record_tdep
.size_termios
= 36;
1633 aarch64_linux_record_tdep
.size_termios2
= 44;
1634 aarch64_linux_record_tdep
.size_pid_t
= 4;
1635 aarch64_linux_record_tdep
.size_winsize
= 8;
1636 aarch64_linux_record_tdep
.size_serial_struct
= 72;
1637 aarch64_linux_record_tdep
.size_serial_icounter_struct
= 80;
1638 aarch64_linux_record_tdep
.size_hayes_esp_config
= 12;
1639 aarch64_linux_record_tdep
.size_size_t
= 8;
1640 aarch64_linux_record_tdep
.size_iovec
= 16;
1641 aarch64_linux_record_tdep
.size_time_t
= 8;
1643 /* These values are the second argument of system call "sys_ioctl".
1644 They are obtained from Linux Kernel source. */
1645 aarch64_linux_record_tdep
.ioctl_TCGETS
= 0x5401;
1646 aarch64_linux_record_tdep
.ioctl_TCSETS
= 0x5402;
1647 aarch64_linux_record_tdep
.ioctl_TCSETSW
= 0x5403;
1648 aarch64_linux_record_tdep
.ioctl_TCSETSF
= 0x5404;
1649 aarch64_linux_record_tdep
.ioctl_TCGETA
= 0x5405;
1650 aarch64_linux_record_tdep
.ioctl_TCSETA
= 0x5406;
1651 aarch64_linux_record_tdep
.ioctl_TCSETAW
= 0x5407;
1652 aarch64_linux_record_tdep
.ioctl_TCSETAF
= 0x5408;
1653 aarch64_linux_record_tdep
.ioctl_TCSBRK
= 0x5409;
1654 aarch64_linux_record_tdep
.ioctl_TCXONC
= 0x540a;
1655 aarch64_linux_record_tdep
.ioctl_TCFLSH
= 0x540b;
1656 aarch64_linux_record_tdep
.ioctl_TIOCEXCL
= 0x540c;
1657 aarch64_linux_record_tdep
.ioctl_TIOCNXCL
= 0x540d;
1658 aarch64_linux_record_tdep
.ioctl_TIOCSCTTY
= 0x540e;
1659 aarch64_linux_record_tdep
.ioctl_TIOCGPGRP
= 0x540f;
1660 aarch64_linux_record_tdep
.ioctl_TIOCSPGRP
= 0x5410;
1661 aarch64_linux_record_tdep
.ioctl_TIOCOUTQ
= 0x5411;
1662 aarch64_linux_record_tdep
.ioctl_TIOCSTI
= 0x5412;
1663 aarch64_linux_record_tdep
.ioctl_TIOCGWINSZ
= 0x5413;
1664 aarch64_linux_record_tdep
.ioctl_TIOCSWINSZ
= 0x5414;
1665 aarch64_linux_record_tdep
.ioctl_TIOCMGET
= 0x5415;
1666 aarch64_linux_record_tdep
.ioctl_TIOCMBIS
= 0x5416;
1667 aarch64_linux_record_tdep
.ioctl_TIOCMBIC
= 0x5417;
1668 aarch64_linux_record_tdep
.ioctl_TIOCMSET
= 0x5418;
1669 aarch64_linux_record_tdep
.ioctl_TIOCGSOFTCAR
= 0x5419;
1670 aarch64_linux_record_tdep
.ioctl_TIOCSSOFTCAR
= 0x541a;
1671 aarch64_linux_record_tdep
.ioctl_FIONREAD
= 0x541b;
1672 aarch64_linux_record_tdep
.ioctl_TIOCINQ
= 0x541b;
1673 aarch64_linux_record_tdep
.ioctl_TIOCLINUX
= 0x541c;
1674 aarch64_linux_record_tdep
.ioctl_TIOCCONS
= 0x541d;
1675 aarch64_linux_record_tdep
.ioctl_TIOCGSERIAL
= 0x541e;
1676 aarch64_linux_record_tdep
.ioctl_TIOCSSERIAL
= 0x541f;
1677 aarch64_linux_record_tdep
.ioctl_TIOCPKT
= 0x5420;
1678 aarch64_linux_record_tdep
.ioctl_FIONBIO
= 0x5421;
1679 aarch64_linux_record_tdep
.ioctl_TIOCNOTTY
= 0x5422;
1680 aarch64_linux_record_tdep
.ioctl_TIOCSETD
= 0x5423;
1681 aarch64_linux_record_tdep
.ioctl_TIOCGETD
= 0x5424;
1682 aarch64_linux_record_tdep
.ioctl_TCSBRKP
= 0x5425;
1683 aarch64_linux_record_tdep
.ioctl_TIOCTTYGSTRUCT
= 0x5426;
1684 aarch64_linux_record_tdep
.ioctl_TIOCSBRK
= 0x5427;
1685 aarch64_linux_record_tdep
.ioctl_TIOCCBRK
= 0x5428;
1686 aarch64_linux_record_tdep
.ioctl_TIOCGSID
= 0x5429;
1687 aarch64_linux_record_tdep
.ioctl_TCGETS2
= 0x802c542a;
1688 aarch64_linux_record_tdep
.ioctl_TCSETS2
= 0x402c542b;
1689 aarch64_linux_record_tdep
.ioctl_TCSETSW2
= 0x402c542c;
1690 aarch64_linux_record_tdep
.ioctl_TCSETSF2
= 0x402c542d;
1691 aarch64_linux_record_tdep
.ioctl_TIOCGPTN
= 0x80045430;
1692 aarch64_linux_record_tdep
.ioctl_TIOCSPTLCK
= 0x40045431;
1693 aarch64_linux_record_tdep
.ioctl_FIONCLEX
= 0x5450;
1694 aarch64_linux_record_tdep
.ioctl_FIOCLEX
= 0x5451;
1695 aarch64_linux_record_tdep
.ioctl_FIOASYNC
= 0x5452;
1696 aarch64_linux_record_tdep
.ioctl_TIOCSERCONFIG
= 0x5453;
1697 aarch64_linux_record_tdep
.ioctl_TIOCSERGWILD
= 0x5454;
1698 aarch64_linux_record_tdep
.ioctl_TIOCSERSWILD
= 0x5455;
1699 aarch64_linux_record_tdep
.ioctl_TIOCGLCKTRMIOS
= 0x5456;
1700 aarch64_linux_record_tdep
.ioctl_TIOCSLCKTRMIOS
= 0x5457;
1701 aarch64_linux_record_tdep
.ioctl_TIOCSERGSTRUCT
= 0x5458;
1702 aarch64_linux_record_tdep
.ioctl_TIOCSERGETLSR
= 0x5459;
1703 aarch64_linux_record_tdep
.ioctl_TIOCSERGETMULTI
= 0x545a;
1704 aarch64_linux_record_tdep
.ioctl_TIOCSERSETMULTI
= 0x545b;
1705 aarch64_linux_record_tdep
.ioctl_TIOCMIWAIT
= 0x545c;
1706 aarch64_linux_record_tdep
.ioctl_TIOCGICOUNT
= 0x545d;
1707 aarch64_linux_record_tdep
.ioctl_TIOCGHAYESESP
= 0x545e;
1708 aarch64_linux_record_tdep
.ioctl_TIOCSHAYESESP
= 0x545f;
1709 aarch64_linux_record_tdep
.ioctl_FIOQSIZE
= 0x5460;
1711 /* These values are the second argument of system call "sys_fcntl"
1712 and "sys_fcntl64". They are obtained from Linux Kernel source. */
1713 aarch64_linux_record_tdep
.fcntl_F_GETLK
= 5;
1714 aarch64_linux_record_tdep
.fcntl_F_GETLK64
= 12;
1715 aarch64_linux_record_tdep
.fcntl_F_SETLK64
= 13;
1716 aarch64_linux_record_tdep
.fcntl_F_SETLKW64
= 14;
1718 /* The AArch64 syscall calling convention: reg x0-x6 for arguments,
1719 reg x8 for syscall number and return value in reg x0. */
1720 aarch64_linux_record_tdep
.arg1
= AARCH64_X0_REGNUM
+ 0;
1721 aarch64_linux_record_tdep
.arg2
= AARCH64_X0_REGNUM
+ 1;
1722 aarch64_linux_record_tdep
.arg3
= AARCH64_X0_REGNUM
+ 2;
1723 aarch64_linux_record_tdep
.arg4
= AARCH64_X0_REGNUM
+ 3;
1724 aarch64_linux_record_tdep
.arg5
= AARCH64_X0_REGNUM
+ 4;
1725 aarch64_linux_record_tdep
.arg6
= AARCH64_X0_REGNUM
+ 5;
1726 aarch64_linux_record_tdep
.arg7
= AARCH64_X0_REGNUM
+ 6;
1728 /* `catch syscall' */
1729 set_xml_syscall_file_name (gdbarch
, "syscalls/aarch64-linux.xml");
1730 set_gdbarch_get_syscall_number (gdbarch
, aarch64_linux_get_syscall_number
);
1732 /* Displaced stepping. */
1733 set_gdbarch_max_insn_length (gdbarch
, 4 * AARCH64_DISPLACED_MODIFIED_INSNS
);
1734 set_gdbarch_displaced_step_copy_insn (gdbarch
,
1735 aarch64_displaced_step_copy_insn
);
1736 set_gdbarch_displaced_step_fixup (gdbarch
, aarch64_displaced_step_fixup
);
1737 set_gdbarch_displaced_step_hw_singlestep (gdbarch
,
1738 aarch64_displaced_step_hw_singlestep
);
1740 set_gdbarch_gcc_target_options (gdbarch
, aarch64_linux_gcc_target_options
);
1743 void _initialize_aarch64_linux_tdep ();
1745 _initialize_aarch64_linux_tdep ()
1747 gdbarch_register_osabi (bfd_arch_aarch64
, 0, GDB_OSABI_LINUX
,
1748 aarch64_linux_init_abi
);