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1ae3db19 MS |
1 | /* Target-dependent code for GNU/Linux AArch64. |
2 | ||
3666a048 | 3 | Copyright (C) 2009-2021 Free Software Foundation, Inc. |
1ae3db19 MS |
4 | Contributed by ARM Ltd. |
5 | ||
6 | This file is part of GDB. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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/>. */ | |
20 | ||
21 | #include "defs.h" | |
22 | ||
d55e5aa6 | 23 | #include "gdbarch.h" |
1ae3db19 MS |
24 | #include "glibc-tdep.h" |
25 | #include "linux-tdep.h" | |
4de283e4 TT |
26 | #include "aarch64-tdep.h" |
27 | #include "aarch64-linux-tdep.h" | |
1ae3db19 | 28 | #include "osabi.h" |
d55e5aa6 | 29 | #include "solib-svr4.h" |
d55e5aa6 | 30 | #include "symtab.h" |
d55e5aa6 | 31 | #include "tramp-frame.h" |
4de283e4 | 32 | #include "trad-frame.h" |
c7782e50 | 33 | #include "target.h" |
be155ebb | 34 | #include "target/target.h" |
4c5e7a93 | 35 | #include "expop.h" |
4de283e4 | 36 | |
4de283e4 TT |
37 | #include "regcache.h" |
38 | #include "regset.h" | |
39 | ||
4de283e4 TT |
40 | #include "stap-probe.h" |
41 | #include "parser-defs.h" | |
08248ca9 | 42 | #include "user-regs.h" |
f68f11b7 | 43 | #include "xml-syscall.h" |
4de283e4 TT |
44 | #include <ctype.h> |
45 | ||
46 | #include "record-full.h" | |
47 | #include "linux-record.h" | |
99afc88b | 48 | |
04245125 LM |
49 | #include "arch/aarch64-mte-linux.h" |
50 | ||
c7782e50 LM |
51 | #include "arch-utils.h" |
52 | #include "value.h" | |
53 | ||
b4a7d4fc LM |
54 | #include "gdbsupport/selftest.h" |
55 | ||
1ae3db19 MS |
56 | /* Signal frame handling. |
57 | ||
f2205de0 HZ |
58 | +------------+ ^ |
59 | | saved lr | | | |
60 | +->| saved fp |--+ | |
61 | | | | | |
62 | | | | | |
63 | | +------------+ | |
64 | | | saved lr | | |
65 | +--| saved fp | | |
66 | ^ | | | |
67 | | | | | |
68 | | +------------+ | |
69 | ^ | | | |
70 | | | signal | | |
71 | | | | SIGTRAMP_FRAME (struct rt_sigframe) | |
72 | | | saved regs | | |
73 | +--| saved sp |--> interrupted_sp | |
74 | | | saved pc |--> interrupted_pc | |
75 | | | | | |
76 | | +------------+ | |
77 | | | saved lr |--> default_restorer (movz x8, NR_sys_rt_sigreturn; svc 0) | |
78 | +--| saved fp |<- FP | |
79 | | | NORMAL_FRAME | |
80 | | |<- SP | |
81 | +------------+ | |
1ae3db19 MS |
82 | |
83 | On signal delivery, the kernel will create a signal handler stack | |
84 | frame and setup the return address in LR to point at restorer stub. | |
85 | The signal stack frame is defined by: | |
86 | ||
87 | struct rt_sigframe | |
88 | { | |
89 | siginfo_t info; | |
90 | struct ucontext uc; | |
91 | }; | |
92 | ||
1ae3db19 MS |
93 | The ucontext has the following form: |
94 | struct ucontext | |
95 | { | |
96 | unsigned long uc_flags; | |
97 | struct ucontext *uc_link; | |
98 | stack_t uc_stack; | |
99 | sigset_t uc_sigmask; | |
100 | struct sigcontext uc_mcontext; | |
101 | }; | |
102 | ||
1ae3db19 MS |
103 | struct sigcontext |
104 | { | |
105 | unsigned long fault_address; | |
106 | unsigned long regs[31]; | |
107 | unsigned long sp; / * 31 * / | |
108 | unsigned long pc; / * 32 * / | |
109 | unsigned long pstate; / * 33 * / | |
110 | __u8 __reserved[4096] | |
111 | }; | |
112 | ||
05c71722 AH |
113 | The reserved space in sigcontext contains additional structures, each starting |
114 | with a aarch64_ctx, which specifies a unique identifier and the total size of | |
115 | the structure. The final structure in reserved will start will a null | |
116 | aarch64_ctx. The penultimate entry in reserved may be a extra_context which | |
117 | then points to a further block of reserved space. | |
118 | ||
119 | struct aarch64_ctx { | |
120 | u32 magic; | |
121 | u32 size; | |
122 | }; | |
123 | ||
1ae3db19 MS |
124 | The restorer stub will always have the form: |
125 | ||
126 | d28015a8 movz x8, #0xad | |
127 | d4000001 svc #0x0 | |
128 | ||
f2205de0 HZ |
129 | This is a system call sys_rt_sigreturn. |
130 | ||
1ae3db19 MS |
131 | We detect signal frames by snooping the return code for the restorer |
132 | instruction sequence. | |
133 | ||
134 | The handler then needs to recover the saved register set from | |
135 | ucontext.uc_mcontext. */ | |
136 | ||
137 | /* These magic numbers need to reflect the layout of the kernel | |
138 | defined struct rt_sigframe and ucontext. */ | |
139 | #define AARCH64_SIGCONTEXT_REG_SIZE 8 | |
140 | #define AARCH64_RT_SIGFRAME_UCONTEXT_OFFSET 128 | |
141 | #define AARCH64_UCONTEXT_SIGCONTEXT_OFFSET 176 | |
142 | #define AARCH64_SIGCONTEXT_XO_OFFSET 8 | |
05c71722 AH |
143 | #define AARCH64_SIGCONTEXT_RESERVED_OFFSET 288 |
144 | ||
74b3c713 AH |
145 | #define AARCH64_SIGCONTEXT_RESERVED_SIZE 4096 |
146 | ||
05c71722 AH |
147 | /* Unique identifiers that may be used for aarch64_ctx.magic. */ |
148 | #define AARCH64_EXTRA_MAGIC 0x45585401 | |
149 | #define AARCH64_FPSIMD_MAGIC 0x46508001 | |
150 | #define AARCH64_SVE_MAGIC 0x53564501 | |
151 | ||
152 | /* Defines for the extra_context that follows an AARCH64_EXTRA_MAGIC. */ | |
153 | #define AARCH64_EXTRA_DATAP_OFFSET 8 | |
154 | ||
155 | /* Defines for the fpsimd that follows an AARCH64_FPSIMD_MAGIC. */ | |
156 | #define AARCH64_FPSIMD_FPSR_OFFSET 8 | |
157 | #define AARCH64_FPSIMD_FPCR_OFFSET 12 | |
158 | #define AARCH64_FPSIMD_V0_OFFSET 16 | |
159 | #define AARCH64_FPSIMD_VREG_SIZE 16 | |
160 | ||
161 | /* Defines for the sve structure that follows an AARCH64_SVE_MAGIC. */ | |
162 | #define AARCH64_SVE_CONTEXT_VL_OFFSET 8 | |
163 | #define AARCH64_SVE_CONTEXT_REGS_OFFSET 16 | |
164 | #define AARCH64_SVE_CONTEXT_P_REGS_OFFSET(vq) (32 * vq * 16) | |
165 | #define AARCH64_SVE_CONTEXT_FFR_OFFSET(vq) \ | |
166 | (AARCH64_SVE_CONTEXT_P_REGS_OFFSET (vq) + (16 * vq * 2)) | |
167 | #define AARCH64_SVE_CONTEXT_SIZE(vq) \ | |
168 | (AARCH64_SVE_CONTEXT_FFR_OFFSET (vq) + (vq * 2)) | |
169 | ||
170 | ||
171 | /* Read an aarch64_ctx, returning the magic value, and setting *SIZE to the | |
172 | size, or return 0 on error. */ | |
173 | ||
174 | static uint32_t | |
175 | read_aarch64_ctx (CORE_ADDR ctx_addr, enum bfd_endian byte_order, | |
176 | uint32_t *size) | |
177 | { | |
178 | uint32_t magic = 0; | |
179 | gdb_byte buf[4]; | |
180 | ||
181 | if (target_read_memory (ctx_addr, buf, 4) != 0) | |
182 | return 0; | |
183 | magic = extract_unsigned_integer (buf, 4, byte_order); | |
184 | ||
185 | if (target_read_memory (ctx_addr + 4, buf, 4) != 0) | |
186 | return 0; | |
187 | *size = extract_unsigned_integer (buf, 4, byte_order); | |
188 | ||
189 | return magic; | |
190 | } | |
1ae3db19 | 191 | |
6afcd2d4 LM |
192 | /* Given CACHE, use the trad_frame* functions to restore the FPSIMD |
193 | registers from a signal frame. | |
194 | ||
195 | VREG_NUM is the number of the V register being restored, OFFSET is the | |
196 | address containing the register value, BYTE_ORDER is the endianness and | |
197 | HAS_SVE tells us if we have a valid SVE context or not. */ | |
198 | ||
199 | static void | |
200 | aarch64_linux_restore_vreg (struct trad_frame_cache *cache, int num_regs, | |
201 | int vreg_num, CORE_ADDR offset, | |
202 | enum bfd_endian byte_order, bool has_sve) | |
203 | { | |
204 | /* WARNING: SIMD state is laid out in memory in target-endian format. | |
205 | ||
206 | So we have a couple cases to consider: | |
207 | ||
208 | 1 - If the target is big endian, then SIMD state is big endian, | |
209 | requiring a byteswap. | |
210 | ||
211 | 2 - If the target is little endian, then SIMD state is little endian, so | |
212 | no byteswap is needed. */ | |
213 | ||
214 | if (byte_order == BFD_ENDIAN_BIG) | |
215 | { | |
216 | gdb_byte buf[V_REGISTER_SIZE]; | |
217 | ||
218 | if (target_read_memory (offset, buf, V_REGISTER_SIZE) != 0) | |
219 | { | |
220 | size_t size = V_REGISTER_SIZE/2; | |
221 | ||
222 | /* Read the two halves of the V register in reverse byte order. */ | |
223 | CORE_ADDR u64 = extract_unsigned_integer (buf, size, | |
224 | byte_order); | |
225 | CORE_ADDR l64 = extract_unsigned_integer (buf + size, size, | |
226 | byte_order); | |
227 | ||
228 | /* Copy the reversed bytes to the buffer. */ | |
229 | store_unsigned_integer (buf, size, BFD_ENDIAN_LITTLE, l64); | |
230 | store_unsigned_integer (buf + size , size, BFD_ENDIAN_LITTLE, u64); | |
231 | ||
232 | /* Now we can store the correct bytes for the V register. */ | |
233 | trad_frame_set_reg_value_bytes (cache, AARCH64_V0_REGNUM + vreg_num, | |
ccbe4c82 | 234 | {buf, V_REGISTER_SIZE}); |
6afcd2d4 LM |
235 | trad_frame_set_reg_value_bytes (cache, |
236 | num_regs + AARCH64_Q0_REGNUM | |
ccbe4c82 | 237 | + vreg_num, {buf, Q_REGISTER_SIZE}); |
6afcd2d4 LM |
238 | trad_frame_set_reg_value_bytes (cache, |
239 | num_regs + AARCH64_D0_REGNUM | |
ccbe4c82 | 240 | + vreg_num, {buf, D_REGISTER_SIZE}); |
6afcd2d4 LM |
241 | trad_frame_set_reg_value_bytes (cache, |
242 | num_regs + AARCH64_S0_REGNUM | |
ccbe4c82 | 243 | + vreg_num, {buf, S_REGISTER_SIZE}); |
6afcd2d4 LM |
244 | trad_frame_set_reg_value_bytes (cache, |
245 | num_regs + AARCH64_H0_REGNUM | |
ccbe4c82 | 246 | + vreg_num, {buf, H_REGISTER_SIZE}); |
6afcd2d4 LM |
247 | trad_frame_set_reg_value_bytes (cache, |
248 | num_regs + AARCH64_B0_REGNUM | |
ccbe4c82 | 249 | + vreg_num, {buf, B_REGISTER_SIZE}); |
6afcd2d4 LM |
250 | |
251 | if (has_sve) | |
252 | trad_frame_set_reg_value_bytes (cache, | |
253 | num_regs + AARCH64_SVE_V0_REGNUM | |
ccbe4c82 | 254 | + vreg_num, {buf, V_REGISTER_SIZE}); |
6afcd2d4 LM |
255 | } |
256 | return; | |
257 | } | |
258 | ||
259 | /* Little endian, just point at the address containing the register | |
260 | value. */ | |
261 | trad_frame_set_reg_addr (cache, AARCH64_V0_REGNUM + vreg_num, offset); | |
262 | trad_frame_set_reg_addr (cache, num_regs + AARCH64_Q0_REGNUM + vreg_num, | |
263 | offset); | |
264 | trad_frame_set_reg_addr (cache, num_regs + AARCH64_D0_REGNUM + vreg_num, | |
265 | offset); | |
266 | trad_frame_set_reg_addr (cache, num_regs + AARCH64_S0_REGNUM + vreg_num, | |
267 | offset); | |
268 | trad_frame_set_reg_addr (cache, num_regs + AARCH64_H0_REGNUM + vreg_num, | |
269 | offset); | |
270 | trad_frame_set_reg_addr (cache, num_regs + AARCH64_B0_REGNUM + vreg_num, | |
271 | offset); | |
272 | ||
273 | if (has_sve) | |
274 | trad_frame_set_reg_addr (cache, num_regs + AARCH64_SVE_V0_REGNUM | |
275 | + vreg_num, offset); | |
276 | ||
277 | } | |
278 | ||
1ae3db19 MS |
279 | /* Implement the "init" method of struct tramp_frame. */ |
280 | ||
281 | static void | |
282 | aarch64_linux_sigframe_init (const struct tramp_frame *self, | |
283 | struct frame_info *this_frame, | |
284 | struct trad_frame_cache *this_cache, | |
285 | CORE_ADDR func) | |
286 | { | |
05c71722 AH |
287 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
288 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
289 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1ae3db19 | 290 | CORE_ADDR sp = get_frame_register_unsigned (this_frame, AARCH64_SP_REGNUM); |
05c71722 AH |
291 | CORE_ADDR sigcontext_addr = (sp + AARCH64_RT_SIGFRAME_UCONTEXT_OFFSET |
292 | + AARCH64_UCONTEXT_SIGCONTEXT_OFFSET ); | |
293 | CORE_ADDR section = sigcontext_addr + AARCH64_SIGCONTEXT_RESERVED_OFFSET; | |
74b3c713 | 294 | CORE_ADDR section_end = section + AARCH64_SIGCONTEXT_RESERVED_SIZE; |
05c71722 AH |
295 | CORE_ADDR fpsimd = 0; |
296 | CORE_ADDR sve_regs = 0; | |
297 | uint32_t size, magic; | |
74b3c713 | 298 | bool extra_found = false; |
05c71722 AH |
299 | int num_regs = gdbarch_num_regs (gdbarch); |
300 | ||
301 | /* Read in the integer registers. */ | |
1ae3db19 | 302 | |
05c71722 | 303 | for (int i = 0; i < 31; i++) |
1ae3db19 MS |
304 | { |
305 | trad_frame_set_reg_addr (this_cache, | |
306 | AARCH64_X0_REGNUM + i, | |
307 | sigcontext_addr + AARCH64_SIGCONTEXT_XO_OFFSET | |
05c71722 | 308 | + i * AARCH64_SIGCONTEXT_REG_SIZE); |
1ae3db19 | 309 | } |
f2205de0 HZ |
310 | trad_frame_set_reg_addr (this_cache, AARCH64_SP_REGNUM, |
311 | sigcontext_addr + AARCH64_SIGCONTEXT_XO_OFFSET | |
312 | + 31 * AARCH64_SIGCONTEXT_REG_SIZE); | |
313 | trad_frame_set_reg_addr (this_cache, AARCH64_PC_REGNUM, | |
314 | sigcontext_addr + AARCH64_SIGCONTEXT_XO_OFFSET | |
315 | + 32 * AARCH64_SIGCONTEXT_REG_SIZE); | |
316 | ||
74b3c713 AH |
317 | /* Search for the FP and SVE sections, stopping at null. */ |
318 | while ((magic = read_aarch64_ctx (section, byte_order, &size)) != 0 | |
319 | && size != 0) | |
05c71722 AH |
320 | { |
321 | switch (magic) | |
322 | { | |
323 | case AARCH64_FPSIMD_MAGIC: | |
324 | fpsimd = section; | |
325 | section += size; | |
326 | break; | |
327 | ||
328 | case AARCH64_SVE_MAGIC: | |
329 | { | |
330 | /* Check if the section is followed by a full SVE dump, and set | |
331 | sve_regs if it is. */ | |
332 | gdb_byte buf[4]; | |
333 | uint16_t vq; | |
334 | ||
335 | if (!tdep->has_sve ()) | |
336 | break; | |
337 | ||
338 | if (target_read_memory (section + AARCH64_SVE_CONTEXT_VL_OFFSET, | |
339 | buf, 2) != 0) | |
340 | { | |
341 | section += size; | |
342 | break; | |
343 | } | |
344 | vq = sve_vq_from_vl (extract_unsigned_integer (buf, 2, byte_order)); | |
345 | ||
346 | if (vq != tdep->vq) | |
2398abf8 TT |
347 | error (_("Invalid vector length in signal frame %d vs %s."), vq, |
348 | pulongest (tdep->vq)); | |
05c71722 AH |
349 | |
350 | if (size >= AARCH64_SVE_CONTEXT_SIZE (vq)) | |
351 | sve_regs = section + AARCH64_SVE_CONTEXT_REGS_OFFSET; | |
352 | ||
353 | section += size; | |
354 | break; | |
355 | } | |
356 | ||
357 | case AARCH64_EXTRA_MAGIC: | |
358 | { | |
359 | /* Extra is always the last valid section in reserved and points to | |
360 | an additional block of memory filled with more sections. Reset | |
361 | the address to the extra section and continue looking for more | |
362 | structures. */ | |
363 | gdb_byte buf[8]; | |
364 | ||
365 | if (target_read_memory (section + AARCH64_EXTRA_DATAP_OFFSET, | |
366 | buf, 8) != 0) | |
367 | { | |
368 | section += size; | |
369 | break; | |
370 | } | |
371 | ||
372 | section = extract_unsigned_integer (buf, 8, byte_order); | |
74b3c713 | 373 | extra_found = true; |
05c71722 AH |
374 | break; |
375 | } | |
376 | ||
377 | default: | |
74b3c713 | 378 | section += size; |
05c71722 AH |
379 | break; |
380 | } | |
74b3c713 AH |
381 | |
382 | /* Prevent searching past the end of the reserved section. The extra | |
383 | section does not have a hard coded limit - we have to rely on it ending | |
384 | with nulls. */ | |
385 | if (!extra_found && section > section_end) | |
386 | break; | |
05c71722 AH |
387 | } |
388 | ||
389 | if (sve_regs != 0) | |
390 | { | |
391 | CORE_ADDR offset; | |
392 | ||
393 | for (int i = 0; i < 32; i++) | |
394 | { | |
395 | offset = sve_regs + (i * tdep->vq * 16); | |
396 | trad_frame_set_reg_addr (this_cache, AARCH64_SVE_Z0_REGNUM + i, | |
397 | offset); | |
398 | trad_frame_set_reg_addr (this_cache, | |
399 | num_regs + AARCH64_SVE_V0_REGNUM + i, | |
400 | offset); | |
401 | trad_frame_set_reg_addr (this_cache, num_regs + AARCH64_Q0_REGNUM + i, | |
402 | offset); | |
403 | trad_frame_set_reg_addr (this_cache, num_regs + AARCH64_D0_REGNUM + i, | |
404 | offset); | |
405 | trad_frame_set_reg_addr (this_cache, num_regs + AARCH64_S0_REGNUM + i, | |
406 | offset); | |
407 | trad_frame_set_reg_addr (this_cache, num_regs + AARCH64_H0_REGNUM + i, | |
408 | offset); | |
409 | trad_frame_set_reg_addr (this_cache, num_regs + AARCH64_B0_REGNUM + i, | |
410 | offset); | |
411 | } | |
412 | ||
413 | offset = sve_regs + AARCH64_SVE_CONTEXT_P_REGS_OFFSET (tdep->vq); | |
414 | for (int i = 0; i < 16; i++) | |
415 | trad_frame_set_reg_addr (this_cache, AARCH64_SVE_P0_REGNUM + i, | |
416 | offset + (i * tdep->vq * 2)); | |
417 | ||
418 | offset = sve_regs + AARCH64_SVE_CONTEXT_FFR_OFFSET (tdep->vq); | |
419 | trad_frame_set_reg_addr (this_cache, AARCH64_SVE_FFR_REGNUM, offset); | |
420 | } | |
421 | ||
422 | if (fpsimd != 0) | |
423 | { | |
424 | trad_frame_set_reg_addr (this_cache, AARCH64_FPSR_REGNUM, | |
425 | fpsimd + AARCH64_FPSIMD_FPSR_OFFSET); | |
426 | trad_frame_set_reg_addr (this_cache, AARCH64_FPCR_REGNUM, | |
427 | fpsimd + AARCH64_FPSIMD_FPCR_OFFSET); | |
428 | ||
429 | /* If there was no SVE section then set up the V registers. */ | |
430 | if (sve_regs == 0) | |
6afcd2d4 LM |
431 | { |
432 | for (int i = 0; i < 32; i++) | |
433 | { | |
434 | CORE_ADDR offset = (fpsimd + AARCH64_FPSIMD_V0_OFFSET | |
05c71722 AH |
435 | + (i * AARCH64_FPSIMD_VREG_SIZE)); |
436 | ||
6afcd2d4 LM |
437 | aarch64_linux_restore_vreg (this_cache, num_regs, i, offset, |
438 | byte_order, tdep->has_sve ()); | |
439 | } | |
440 | } | |
05c71722 AH |
441 | } |
442 | ||
f2205de0 | 443 | trad_frame_set_id (this_cache, frame_id_build (sp, func)); |
1ae3db19 MS |
444 | } |
445 | ||
446 | static const struct tramp_frame aarch64_linux_rt_sigframe = | |
447 | { | |
448 | SIGTRAMP_FRAME, | |
449 | 4, | |
450 | { | |
451 | /* movz x8, 0x8b (S=1,o=10,h=0,i=0x8b,r=8) | |
452 | Soo1 0010 1hhi iiii iiii iiii iiir rrrr */ | |
7bc02706 | 453 | {0xd2801168, ULONGEST_MAX}, |
1ae3db19 MS |
454 | |
455 | /* svc 0x0 (o=0, l=1) | |
456 | 1101 0100 oooi iiii iiii iiii iii0 00ll */ | |
7bc02706 TT |
457 | {0xd4000001, ULONGEST_MAX}, |
458 | {TRAMP_SENTINEL_INSN, ULONGEST_MAX} | |
1ae3db19 MS |
459 | }, |
460 | aarch64_linux_sigframe_init | |
461 | }; | |
462 | ||
d4d793bf | 463 | /* Register maps. */ |
1ae3db19 | 464 | |
d4d793bf AA |
465 | static const struct regcache_map_entry aarch64_linux_gregmap[] = |
466 | { | |
467 | { 31, AARCH64_X0_REGNUM, 8 }, /* x0 ... x30 */ | |
468 | { 1, AARCH64_SP_REGNUM, 8 }, | |
469 | { 1, AARCH64_PC_REGNUM, 8 }, | |
470 | { 1, AARCH64_CPSR_REGNUM, 8 }, | |
471 | { 0 } | |
472 | }; | |
1ae3db19 | 473 | |
d4d793bf AA |
474 | static const struct regcache_map_entry aarch64_linux_fpregmap[] = |
475 | { | |
476 | { 32, AARCH64_V0_REGNUM, 16 }, /* v0 ... v31 */ | |
477 | { 1, AARCH64_FPSR_REGNUM, 4 }, | |
478 | { 1, AARCH64_FPCR_REGNUM, 4 }, | |
479 | { 0 } | |
480 | }; | |
1ae3db19 | 481 | |
d4d793bf | 482 | /* Register set definitions. */ |
a069a2bd | 483 | |
d4d793bf | 484 | const struct regset aarch64_linux_gregset = |
a069a2bd | 485 | { |
d4d793bf AA |
486 | aarch64_linux_gregmap, |
487 | regcache_supply_regset, regcache_collect_regset | |
a069a2bd AA |
488 | }; |
489 | ||
d4d793bf | 490 | const struct regset aarch64_linux_fpregset = |
a069a2bd | 491 | { |
d4d793bf AA |
492 | aarch64_linux_fpregmap, |
493 | regcache_supply_regset, regcache_collect_regset | |
a069a2bd AA |
494 | }; |
495 | ||
b7fd65b9 AH |
496 | /* The fields in an SVE header at the start of a SVE regset. */ |
497 | ||
498 | #define SVE_HEADER_SIZE_LENGTH 4 | |
499 | #define SVE_HEADER_MAX_SIZE_LENGTH 4 | |
500 | #define SVE_HEADER_VL_LENGTH 2 | |
501 | #define SVE_HEADER_MAX_VL_LENGTH 2 | |
502 | #define SVE_HEADER_FLAGS_LENGTH 2 | |
503 | #define SVE_HEADER_RESERVED_LENGTH 2 | |
504 | ||
505 | #define SVE_HEADER_SIZE_OFFSET 0 | |
506 | #define SVE_HEADER_MAX_SIZE_OFFSET \ | |
507 | (SVE_HEADER_SIZE_OFFSET + SVE_HEADER_SIZE_LENGTH) | |
508 | #define SVE_HEADER_VL_OFFSET \ | |
509 | (SVE_HEADER_MAX_SIZE_OFFSET + SVE_HEADER_MAX_SIZE_LENGTH) | |
510 | #define SVE_HEADER_MAX_VL_OFFSET \ | |
511 | (SVE_HEADER_VL_OFFSET + SVE_HEADER_VL_LENGTH) | |
512 | #define SVE_HEADER_FLAGS_OFFSET \ | |
513 | (SVE_HEADER_MAX_VL_OFFSET + SVE_HEADER_MAX_VL_LENGTH) | |
514 | #define SVE_HEADER_RESERVED_OFFSET \ | |
515 | (SVE_HEADER_FLAGS_OFFSET + SVE_HEADER_FLAGS_LENGTH) | |
516 | #define SVE_HEADER_SIZE \ | |
517 | (SVE_HEADER_RESERVED_OFFSET + SVE_HEADER_RESERVED_LENGTH) | |
518 | ||
0c76e06d AH |
519 | #define SVE_HEADER_FLAG_SVE 1 |
520 | ||
b7fd65b9 AH |
521 | /* Get VQ value from SVE section in the core dump. */ |
522 | ||
523 | static uint64_t | |
524 | aarch64_linux_core_read_vq (struct gdbarch *gdbarch, bfd *abfd) | |
525 | { | |
526 | gdb_byte header[SVE_HEADER_SIZE]; | |
527 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
528 | asection *sve_section = bfd_get_section_by_name (abfd, ".reg-aarch-sve"); | |
529 | ||
530 | if (sve_section == nullptr) | |
531 | { | |
532 | /* No SVE state. */ | |
533 | return 0; | |
534 | } | |
535 | ||
fd361982 | 536 | size_t size = bfd_section_size (sve_section); |
b7fd65b9 AH |
537 | |
538 | /* Check extended state size. */ | |
539 | if (size < SVE_HEADER_SIZE) | |
540 | { | |
541 | warning (_("'.reg-aarch-sve' section in core file too small.")); | |
542 | return 0; | |
543 | } | |
544 | ||
545 | if (!bfd_get_section_contents (abfd, sve_section, header, 0, SVE_HEADER_SIZE)) | |
546 | { | |
547 | warning (_("Couldn't read sve header from " | |
548 | "'.reg-aarch-sve' section in core file.")); | |
549 | return 0; | |
550 | } | |
551 | ||
552 | uint64_t vl = extract_unsigned_integer (header + SVE_HEADER_VL_OFFSET, | |
553 | SVE_HEADER_VL_LENGTH, byte_order); | |
554 | uint64_t vq = sve_vq_from_vl (vl); | |
555 | ||
556 | if (vq > AARCH64_MAX_SVE_VQ) | |
557 | { | |
558 | warning (_("SVE Vector length in core file not supported by this version" | |
49514353 | 559 | " of GDB. (VQ=%s)"), pulongest (vq)); |
b7fd65b9 AH |
560 | return 0; |
561 | } | |
562 | else if (vq == 0) | |
563 | { | |
49514353 TT |
564 | warning (_("SVE Vector length in core file is invalid. (VQ=%s"), |
565 | pulongest (vq)); | |
b7fd65b9 AH |
566 | return 0; |
567 | } | |
568 | ||
569 | return vq; | |
570 | } | |
571 | ||
0c76e06d AH |
572 | /* Supply register REGNUM from BUF to REGCACHE, using the register map |
573 | in REGSET. If REGNUM is -1, do this for all registers in REGSET. | |
574 | If BUF is NULL, set the registers to "unavailable" status. */ | |
575 | ||
576 | static void | |
577 | aarch64_linux_supply_sve_regset (const struct regset *regset, | |
578 | struct regcache *regcache, | |
579 | int regnum, const void *buf, size_t size) | |
580 | { | |
581 | gdb_byte *header = (gdb_byte *) buf; | |
582 | struct gdbarch *gdbarch = regcache->arch (); | |
583 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
584 | ||
585 | if (buf == nullptr) | |
586 | return regcache->supply_regset (regset, regnum, nullptr, size); | |
587 | gdb_assert (size > SVE_HEADER_SIZE); | |
588 | ||
589 | /* BUF contains an SVE header followed by a register dump of either the | |
590 | passed in SVE regset or a NEON fpregset. */ | |
591 | ||
592 | /* Extract required fields from the header. */ | |
0c0a40e0 | 593 | ULONGEST vl = extract_unsigned_integer (header + SVE_HEADER_VL_OFFSET, |
0c76e06d AH |
594 | SVE_HEADER_VL_LENGTH, byte_order); |
595 | uint16_t flags = extract_unsigned_integer (header + SVE_HEADER_FLAGS_OFFSET, | |
596 | SVE_HEADER_FLAGS_LENGTH, | |
597 | byte_order); | |
598 | ||
599 | if (regnum == -1 || regnum == AARCH64_SVE_VG_REGNUM) | |
600 | { | |
601 | gdb_byte vg_target[8]; | |
602 | store_integer ((gdb_byte *)&vg_target, sizeof (uint64_t), byte_order, | |
603 | sve_vg_from_vl (vl)); | |
604 | regcache->raw_supply (AARCH64_SVE_VG_REGNUM, &vg_target); | |
605 | } | |
606 | ||
607 | if (flags & SVE_HEADER_FLAG_SVE) | |
608 | { | |
609 | /* Register dump is a SVE structure. */ | |
610 | regcache->supply_regset (regset, regnum, | |
611 | (gdb_byte *) buf + SVE_HEADER_SIZE, | |
612 | size - SVE_HEADER_SIZE); | |
613 | } | |
614 | else | |
615 | { | |
616 | /* Register dump is a fpsimd structure. First clear the SVE | |
617 | registers. */ | |
618 | for (int i = 0; i < AARCH64_SVE_Z_REGS_NUM; i++) | |
619 | regcache->raw_supply_zeroed (AARCH64_SVE_Z0_REGNUM + i); | |
620 | for (int i = 0; i < AARCH64_SVE_P_REGS_NUM; i++) | |
621 | regcache->raw_supply_zeroed (AARCH64_SVE_P0_REGNUM + i); | |
622 | regcache->raw_supply_zeroed (AARCH64_SVE_FFR_REGNUM); | |
623 | ||
624 | /* Then supply the fpsimd registers. */ | |
625 | regcache->supply_regset (&aarch64_linux_fpregset, regnum, | |
626 | (gdb_byte *) buf + SVE_HEADER_SIZE, | |
627 | size - SVE_HEADER_SIZE); | |
628 | } | |
629 | } | |
630 | ||
631 | /* Collect register REGNUM from REGCACHE to BUF, using the register | |
632 | map in REGSET. If REGNUM is -1, do this for all registers in | |
633 | REGSET. */ | |
634 | ||
635 | static void | |
636 | aarch64_linux_collect_sve_regset (const struct regset *regset, | |
637 | const struct regcache *regcache, | |
638 | int regnum, void *buf, size_t size) | |
639 | { | |
640 | gdb_byte *header = (gdb_byte *) buf; | |
641 | struct gdbarch *gdbarch = regcache->arch (); | |
642 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
643 | uint64_t vq = gdbarch_tdep (gdbarch)->vq; | |
644 | ||
645 | gdb_assert (buf != NULL); | |
646 | gdb_assert (size > SVE_HEADER_SIZE); | |
647 | ||
648 | /* BUF starts with a SVE header prior to the register dump. */ | |
649 | ||
650 | store_unsigned_integer (header + SVE_HEADER_SIZE_OFFSET, | |
651 | SVE_HEADER_SIZE_LENGTH, byte_order, size); | |
652 | store_unsigned_integer (header + SVE_HEADER_MAX_SIZE_OFFSET, | |
653 | SVE_HEADER_MAX_SIZE_LENGTH, byte_order, size); | |
654 | store_unsigned_integer (header + SVE_HEADER_VL_OFFSET, SVE_HEADER_VL_LENGTH, | |
655 | byte_order, sve_vl_from_vq (vq)); | |
656 | store_unsigned_integer (header + SVE_HEADER_MAX_VL_OFFSET, | |
657 | SVE_HEADER_MAX_VL_LENGTH, byte_order, | |
658 | sve_vl_from_vq (vq)); | |
659 | store_unsigned_integer (header + SVE_HEADER_FLAGS_OFFSET, | |
660 | SVE_HEADER_FLAGS_LENGTH, byte_order, | |
661 | SVE_HEADER_FLAG_SVE); | |
662 | store_unsigned_integer (header + SVE_HEADER_RESERVED_OFFSET, | |
663 | SVE_HEADER_RESERVED_LENGTH, byte_order, 0); | |
664 | ||
665 | /* The SVE register dump follows. */ | |
666 | regcache->collect_regset (regset, regnum, (gdb_byte *) buf + SVE_HEADER_SIZE, | |
667 | size - SVE_HEADER_SIZE); | |
668 | } | |
669 | ||
89203d40 | 670 | /* Implement the "iterate_over_regset_sections" gdbarch method. */ |
1ae3db19 | 671 | |
4108500a AA |
672 | static void |
673 | aarch64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch, | |
674 | iterate_over_regset_sections_cb *cb, | |
675 | void *cb_data, | |
676 | const struct regcache *regcache) | |
1ae3db19 | 677 | { |
0c76e06d AH |
678 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
679 | ||
a616bb94 AH |
680 | cb (".reg", AARCH64_LINUX_SIZEOF_GREGSET, AARCH64_LINUX_SIZEOF_GREGSET, |
681 | &aarch64_linux_gregset, NULL, cb_data); | |
0c76e06d AH |
682 | |
683 | if (tdep->has_sve ()) | |
684 | { | |
685 | /* Create this on the fly in order to handle vector register sizes. */ | |
686 | const struct regcache_map_entry sve_regmap[] = | |
687 | { | |
1885053b TT |
688 | { 32, AARCH64_SVE_Z0_REGNUM, (int) (tdep->vq * 16) }, |
689 | { 16, AARCH64_SVE_P0_REGNUM, (int) (tdep->vq * 16 / 8) }, | |
0c76e06d AH |
690 | { 1, AARCH64_SVE_FFR_REGNUM, 4 }, |
691 | { 1, AARCH64_FPSR_REGNUM, 4 }, | |
692 | { 1, AARCH64_FPCR_REGNUM, 4 }, | |
693 | { 0 } | |
694 | }; | |
695 | ||
696 | const struct regset aarch64_linux_sve_regset = | |
697 | { | |
698 | sve_regmap, | |
699 | aarch64_linux_supply_sve_regset, aarch64_linux_collect_sve_regset, | |
700 | REGSET_VARIABLE_SIZE | |
701 | }; | |
702 | ||
703 | cb (".reg-aarch-sve", | |
704 | SVE_HEADER_SIZE + regcache_map_entry_size (aarch64_linux_fpregmap), | |
705 | SVE_HEADER_SIZE + regcache_map_entry_size (sve_regmap), | |
706 | &aarch64_linux_sve_regset, "SVE registers", cb_data); | |
707 | } | |
708 | else | |
709 | cb (".reg2", AARCH64_LINUX_SIZEOF_FPREGSET, AARCH64_LINUX_SIZEOF_FPREGSET, | |
710 | &aarch64_linux_fpregset, NULL, cb_data); | |
59c28372 AH |
711 | |
712 | ||
713 | if (tdep->has_pauth ()) | |
714 | { | |
715 | /* Create this on the fly in order to handle the variable location. */ | |
716 | const struct regcache_map_entry pauth_regmap[] = | |
717 | { | |
718 | { 2, AARCH64_PAUTH_DMASK_REGNUM (tdep->pauth_reg_base), 8}, | |
719 | { 0 } | |
720 | }; | |
721 | ||
722 | const struct regset aarch64_linux_pauth_regset = | |
723 | { | |
724 | pauth_regmap, regcache_supply_regset, regcache_collect_regset | |
725 | }; | |
726 | ||
727 | cb (".reg-aarch-pauth", AARCH64_LINUX_SIZEOF_PAUTH, | |
728 | AARCH64_LINUX_SIZEOF_PAUTH, &aarch64_linux_pauth_regset, | |
729 | "pauth registers", cb_data); | |
ffcc2a15 LM |
730 | } |
731 | ||
732 | /* Handle MTE registers. */ | |
733 | if (tdep->has_mte ()) | |
734 | { | |
735 | /* Create this on the fly in order to handle the variable location. */ | |
736 | const struct regcache_map_entry mte_regmap[] = | |
737 | { | |
738 | { 1, tdep->mte_reg_base, 4}, | |
739 | { 0 } | |
740 | }; | |
741 | ||
742 | const struct regset aarch64_linux_mte_regset = | |
743 | { | |
744 | mte_regmap, regcache_supply_regset, regcache_collect_regset | |
745 | }; | |
746 | ||
747 | cb (".reg-aarch-mte", AARCH64_LINUX_SIZEOF_MTE_REGSET, | |
748 | AARCH64_LINUX_SIZEOF_MTE_REGSET, &aarch64_linux_mte_regset, | |
749 | "MTE registers", cb_data); | |
59c28372 | 750 | } |
1ae3db19 MS |
751 | } |
752 | ||
b7fd65b9 | 753 | /* Implement the "core_read_description" gdbarch method. */ |
cd3af38d JW |
754 | |
755 | static const struct target_desc * | |
756 | aarch64_linux_core_read_description (struct gdbarch *gdbarch, | |
757 | struct target_ops *target, bfd *abfd) | |
758 | { | |
0f83012e | 759 | CORE_ADDR hwcap = linux_get_hwcap (target); |
c1bd443b | 760 | CORE_ADDR hwcap2 = linux_get_hwcap2 (target); |
cd3af38d | 761 | |
c1bd443b LM |
762 | bool pauth_p = hwcap & AARCH64_HWCAP_PACA; |
763 | bool mte_p = hwcap2 & HWCAP2_MTE; | |
6dc0ebde | 764 | return aarch64_read_description (aarch64_linux_core_read_vq (gdbarch, abfd), |
c1bd443b | 765 | pauth_p, mte_p); |
cd3af38d JW |
766 | } |
767 | ||
08248ca9 SDJ |
768 | /* Implementation of `gdbarch_stap_is_single_operand', as defined in |
769 | gdbarch.h. */ | |
770 | ||
771 | static int | |
772 | aarch64_stap_is_single_operand (struct gdbarch *gdbarch, const char *s) | |
773 | { | |
774 | return (*s == '#' || isdigit (*s) /* Literal number. */ | |
775 | || *s == '[' /* Register indirection. */ | |
776 | || isalpha (*s)); /* Register value. */ | |
777 | } | |
778 | ||
779 | /* This routine is used to parse a special token in AArch64's assembly. | |
780 | ||
781 | The special tokens parsed by it are: | |
782 | ||
783 | - Register displacement (e.g, [fp, #-8]) | |
784 | ||
785 | It returns one if the special token has been parsed successfully, | |
786 | or zero if the current token is not considered special. */ | |
787 | ||
4c5e7a93 | 788 | static expr::operation_up |
08248ca9 SDJ |
789 | aarch64_stap_parse_special_token (struct gdbarch *gdbarch, |
790 | struct stap_parse_info *p) | |
791 | { | |
792 | if (*p->arg == '[') | |
793 | { | |
794 | /* Temporary holder for lookahead. */ | |
795 | const char *tmp = p->arg; | |
796 | char *endp; | |
797 | /* Used to save the register name. */ | |
798 | const char *start; | |
08248ca9 SDJ |
799 | int len; |
800 | int got_minus = 0; | |
801 | long displacement; | |
08248ca9 SDJ |
802 | |
803 | ++tmp; | |
804 | start = tmp; | |
805 | ||
806 | /* Register name. */ | |
807 | while (isalnum (*tmp)) | |
808 | ++tmp; | |
809 | ||
810 | if (*tmp != ',') | |
4c5e7a93 | 811 | return {}; |
08248ca9 SDJ |
812 | |
813 | len = tmp - start; | |
4c5e7a93 | 814 | std::string regname (start, len); |
08248ca9 | 815 | |
4c5e7a93 | 816 | if (user_reg_map_name_to_regnum (gdbarch, regname.c_str (), len) == -1) |
08248ca9 | 817 | error (_("Invalid register name `%s' on expression `%s'."), |
4c5e7a93 | 818 | regname.c_str (), p->saved_arg); |
08248ca9 SDJ |
819 | |
820 | ++tmp; | |
f1735a53 | 821 | tmp = skip_spaces (tmp); |
08248ca9 SDJ |
822 | /* Now we expect a number. It can begin with '#' or simply |
823 | a digit. */ | |
824 | if (*tmp == '#') | |
825 | ++tmp; | |
826 | ||
827 | if (*tmp == '-') | |
828 | { | |
829 | ++tmp; | |
830 | got_minus = 1; | |
831 | } | |
832 | else if (*tmp == '+') | |
833 | ++tmp; | |
834 | ||
835 | if (!isdigit (*tmp)) | |
4c5e7a93 | 836 | return {}; |
08248ca9 SDJ |
837 | |
838 | displacement = strtol (tmp, &endp, 10); | |
839 | tmp = endp; | |
840 | ||
841 | /* Skipping last `]'. */ | |
842 | if (*tmp++ != ']') | |
4c5e7a93 TT |
843 | return {}; |
844 | p->arg = tmp; | |
845 | ||
846 | using namespace expr; | |
08248ca9 SDJ |
847 | |
848 | /* The displacement. */ | |
4c5e7a93 | 849 | struct type *long_type = builtin_type (gdbarch)->builtin_long; |
08248ca9 | 850 | if (got_minus) |
4c5e7a93 TT |
851 | displacement = -displacement; |
852 | operation_up disp = make_operation<long_const_operation> (long_type, | |
853 | displacement); | |
08248ca9 SDJ |
854 | |
855 | /* The register name. */ | |
4c5e7a93 TT |
856 | operation_up reg |
857 | = make_operation<register_operation> (std::move (regname)); | |
08248ca9 | 858 | |
4c5e7a93 TT |
859 | operation_up sum |
860 | = make_operation<add_operation> (std::move (reg), std::move (disp)); | |
08248ca9 SDJ |
861 | |
862 | /* Casting to the expected type. */ | |
4c5e7a93 TT |
863 | struct type *arg_ptr_type = lookup_pointer_type (p->arg_type); |
864 | sum = make_operation<unop_cast_operation> (std::move (sum), | |
865 | arg_ptr_type); | |
866 | return make_operation<unop_ind_operation> (std::move (sum)); | |
08248ca9 | 867 | } |
4c5e7a93 | 868 | return {}; |
08248ca9 SDJ |
869 | } |
870 | ||
99afc88b OJ |
871 | /* AArch64 process record-replay constructs: syscall, signal etc. */ |
872 | ||
6bd434d6 | 873 | static linux_record_tdep aarch64_linux_record_tdep; |
99afc88b OJ |
874 | |
875 | /* Enum that defines the AArch64 linux specific syscall identifiers used for | |
876 | process record/replay. */ | |
877 | ||
878 | enum aarch64_syscall { | |
879 | aarch64_sys_io_setup = 0, | |
880 | aarch64_sys_io_destroy = 1, | |
881 | aarch64_sys_io_submit = 2, | |
882 | aarch64_sys_io_cancel = 3, | |
883 | aarch64_sys_io_getevents = 4, | |
884 | aarch64_sys_setxattr = 5, | |
885 | aarch64_sys_lsetxattr = 6, | |
886 | aarch64_sys_fsetxattr = 7, | |
887 | aarch64_sys_getxattr = 8, | |
888 | aarch64_sys_lgetxattr = 9, | |
889 | aarch64_sys_fgetxattr = 10, | |
890 | aarch64_sys_listxattr = 11, | |
891 | aarch64_sys_llistxattr = 12, | |
892 | aarch64_sys_flistxattr = 13, | |
893 | aarch64_sys_removexattr = 14, | |
894 | aarch64_sys_lremovexattr = 15, | |
895 | aarch64_sys_fremovexattr = 16, | |
896 | aarch64_sys_getcwd = 17, | |
897 | aarch64_sys_lookup_dcookie = 18, | |
898 | aarch64_sys_eventfd2 = 19, | |
899 | aarch64_sys_epoll_create1 = 20, | |
900 | aarch64_sys_epoll_ctl = 21, | |
901 | aarch64_sys_epoll_pwait = 22, | |
902 | aarch64_sys_dup = 23, | |
903 | aarch64_sys_dup3 = 24, | |
904 | aarch64_sys_fcntl = 25, | |
905 | aarch64_sys_inotify_init1 = 26, | |
906 | aarch64_sys_inotify_add_watch = 27, | |
907 | aarch64_sys_inotify_rm_watch = 28, | |
908 | aarch64_sys_ioctl = 29, | |
909 | aarch64_sys_ioprio_set = 30, | |
910 | aarch64_sys_ioprio_get = 31, | |
911 | aarch64_sys_flock = 32, | |
c955ae73 YQ |
912 | aarch64_sys_mknodat = 33, |
913 | aarch64_sys_mkdirat = 34, | |
914 | aarch64_sys_unlinkat = 35, | |
915 | aarch64_sys_symlinkat = 36, | |
916 | aarch64_sys_linkat = 37, | |
917 | aarch64_sys_renameat = 38, | |
99afc88b OJ |
918 | aarch64_sys_umount2 = 39, |
919 | aarch64_sys_mount = 40, | |
920 | aarch64_sys_pivot_root = 41, | |
921 | aarch64_sys_nfsservctl = 42, | |
922 | aarch64_sys_statfs = 43, | |
923 | aarch64_sys_fstatfs = 44, | |
924 | aarch64_sys_truncate = 45, | |
925 | aarch64_sys_ftruncate = 46, | |
926 | aarch64_sys_fallocate = 47, | |
c955ae73 | 927 | aarch64_sys_faccessat = 48, |
99afc88b OJ |
928 | aarch64_sys_chdir = 49, |
929 | aarch64_sys_fchdir = 50, | |
930 | aarch64_sys_chroot = 51, | |
931 | aarch64_sys_fchmod = 52, | |
932 | aarch64_sys_fchmodat = 53, | |
933 | aarch64_sys_fchownat = 54, | |
934 | aarch64_sys_fchown = 55, | |
c955ae73 | 935 | aarch64_sys_openat = 56, |
99afc88b OJ |
936 | aarch64_sys_close = 57, |
937 | aarch64_sys_vhangup = 58, | |
938 | aarch64_sys_pipe2 = 59, | |
939 | aarch64_sys_quotactl = 60, | |
940 | aarch64_sys_getdents64 = 61, | |
941 | aarch64_sys_lseek = 62, | |
942 | aarch64_sys_read = 63, | |
943 | aarch64_sys_write = 64, | |
944 | aarch64_sys_readv = 65, | |
945 | aarch64_sys_writev = 66, | |
946 | aarch64_sys_pread64 = 67, | |
947 | aarch64_sys_pwrite64 = 68, | |
948 | aarch64_sys_preadv = 69, | |
949 | aarch64_sys_pwritev = 70, | |
950 | aarch64_sys_sendfile = 71, | |
951 | aarch64_sys_pselect6 = 72, | |
952 | aarch64_sys_ppoll = 73, | |
953 | aarch64_sys_signalfd4 = 74, | |
954 | aarch64_sys_vmsplice = 75, | |
955 | aarch64_sys_splice = 76, | |
956 | aarch64_sys_tee = 77, | |
c955ae73 YQ |
957 | aarch64_sys_readlinkat = 78, |
958 | aarch64_sys_newfstatat = 79, | |
99afc88b OJ |
959 | aarch64_sys_fstat = 80, |
960 | aarch64_sys_sync = 81, | |
961 | aarch64_sys_fsync = 82, | |
962 | aarch64_sys_fdatasync = 83, | |
963 | aarch64_sys_sync_file_range2 = 84, | |
964 | aarch64_sys_sync_file_range = 84, | |
965 | aarch64_sys_timerfd_create = 85, | |
966 | aarch64_sys_timerfd_settime = 86, | |
967 | aarch64_sys_timerfd_gettime = 87, | |
968 | aarch64_sys_utimensat = 88, | |
969 | aarch64_sys_acct = 89, | |
970 | aarch64_sys_capget = 90, | |
971 | aarch64_sys_capset = 91, | |
972 | aarch64_sys_personality = 92, | |
973 | aarch64_sys_exit = 93, | |
974 | aarch64_sys_exit_group = 94, | |
975 | aarch64_sys_waitid = 95, | |
976 | aarch64_sys_set_tid_address = 96, | |
977 | aarch64_sys_unshare = 97, | |
978 | aarch64_sys_futex = 98, | |
979 | aarch64_sys_set_robust_list = 99, | |
980 | aarch64_sys_get_robust_list = 100, | |
981 | aarch64_sys_nanosleep = 101, | |
982 | aarch64_sys_getitimer = 102, | |
983 | aarch64_sys_setitimer = 103, | |
984 | aarch64_sys_kexec_load = 104, | |
985 | aarch64_sys_init_module = 105, | |
986 | aarch64_sys_delete_module = 106, | |
987 | aarch64_sys_timer_create = 107, | |
988 | aarch64_sys_timer_gettime = 108, | |
989 | aarch64_sys_timer_getoverrun = 109, | |
990 | aarch64_sys_timer_settime = 110, | |
991 | aarch64_sys_timer_delete = 111, | |
992 | aarch64_sys_clock_settime = 112, | |
993 | aarch64_sys_clock_gettime = 113, | |
994 | aarch64_sys_clock_getres = 114, | |
995 | aarch64_sys_clock_nanosleep = 115, | |
996 | aarch64_sys_syslog = 116, | |
997 | aarch64_sys_ptrace = 117, | |
998 | aarch64_sys_sched_setparam = 118, | |
999 | aarch64_sys_sched_setscheduler = 119, | |
1000 | aarch64_sys_sched_getscheduler = 120, | |
1001 | aarch64_sys_sched_getparam = 121, | |
1002 | aarch64_sys_sched_setaffinity = 122, | |
1003 | aarch64_sys_sched_getaffinity = 123, | |
1004 | aarch64_sys_sched_yield = 124, | |
1005 | aarch64_sys_sched_get_priority_max = 125, | |
1006 | aarch64_sys_sched_get_priority_min = 126, | |
1007 | aarch64_sys_sched_rr_get_interval = 127, | |
1008 | aarch64_sys_kill = 129, | |
1009 | aarch64_sys_tkill = 130, | |
1010 | aarch64_sys_tgkill = 131, | |
1011 | aarch64_sys_sigaltstack = 132, | |
1012 | aarch64_sys_rt_sigsuspend = 133, | |
1013 | aarch64_sys_rt_sigaction = 134, | |
1014 | aarch64_sys_rt_sigprocmask = 135, | |
1015 | aarch64_sys_rt_sigpending = 136, | |
1016 | aarch64_sys_rt_sigtimedwait = 137, | |
1017 | aarch64_sys_rt_sigqueueinfo = 138, | |
1018 | aarch64_sys_rt_sigreturn = 139, | |
1019 | aarch64_sys_setpriority = 140, | |
1020 | aarch64_sys_getpriority = 141, | |
1021 | aarch64_sys_reboot = 142, | |
1022 | aarch64_sys_setregid = 143, | |
1023 | aarch64_sys_setgid = 144, | |
1024 | aarch64_sys_setreuid = 145, | |
1025 | aarch64_sys_setuid = 146, | |
1026 | aarch64_sys_setresuid = 147, | |
1027 | aarch64_sys_getresuid = 148, | |
1028 | aarch64_sys_setresgid = 149, | |
1029 | aarch64_sys_getresgid = 150, | |
1030 | aarch64_sys_setfsuid = 151, | |
1031 | aarch64_sys_setfsgid = 152, | |
1032 | aarch64_sys_times = 153, | |
1033 | aarch64_sys_setpgid = 154, | |
1034 | aarch64_sys_getpgid = 155, | |
1035 | aarch64_sys_getsid = 156, | |
1036 | aarch64_sys_setsid = 157, | |
1037 | aarch64_sys_getgroups = 158, | |
1038 | aarch64_sys_setgroups = 159, | |
1039 | aarch64_sys_uname = 160, | |
1040 | aarch64_sys_sethostname = 161, | |
1041 | aarch64_sys_setdomainname = 162, | |
1042 | aarch64_sys_getrlimit = 163, | |
1043 | aarch64_sys_setrlimit = 164, | |
1044 | aarch64_sys_getrusage = 165, | |
1045 | aarch64_sys_umask = 166, | |
1046 | aarch64_sys_prctl = 167, | |
1047 | aarch64_sys_getcpu = 168, | |
1048 | aarch64_sys_gettimeofday = 169, | |
1049 | aarch64_sys_settimeofday = 170, | |
1050 | aarch64_sys_adjtimex = 171, | |
1051 | aarch64_sys_getpid = 172, | |
1052 | aarch64_sys_getppid = 173, | |
1053 | aarch64_sys_getuid = 174, | |
1054 | aarch64_sys_geteuid = 175, | |
1055 | aarch64_sys_getgid = 176, | |
1056 | aarch64_sys_getegid = 177, | |
1057 | aarch64_sys_gettid = 178, | |
1058 | aarch64_sys_sysinfo = 179, | |
1059 | aarch64_sys_mq_open = 180, | |
1060 | aarch64_sys_mq_unlink = 181, | |
1061 | aarch64_sys_mq_timedsend = 182, | |
1062 | aarch64_sys_mq_timedreceive = 183, | |
1063 | aarch64_sys_mq_notify = 184, | |
1064 | aarch64_sys_mq_getsetattr = 185, | |
1065 | aarch64_sys_msgget = 186, | |
1066 | aarch64_sys_msgctl = 187, | |
1067 | aarch64_sys_msgrcv = 188, | |
1068 | aarch64_sys_msgsnd = 189, | |
1069 | aarch64_sys_semget = 190, | |
1070 | aarch64_sys_semctl = 191, | |
1071 | aarch64_sys_semtimedop = 192, | |
1072 | aarch64_sys_semop = 193, | |
1073 | aarch64_sys_shmget = 194, | |
1074 | aarch64_sys_shmctl = 195, | |
1075 | aarch64_sys_shmat = 196, | |
1076 | aarch64_sys_shmdt = 197, | |
1077 | aarch64_sys_socket = 198, | |
1078 | aarch64_sys_socketpair = 199, | |
1079 | aarch64_sys_bind = 200, | |
1080 | aarch64_sys_listen = 201, | |
1081 | aarch64_sys_accept = 202, | |
1082 | aarch64_sys_connect = 203, | |
1083 | aarch64_sys_getsockname = 204, | |
1084 | aarch64_sys_getpeername = 205, | |
1085 | aarch64_sys_sendto = 206, | |
1086 | aarch64_sys_recvfrom = 207, | |
1087 | aarch64_sys_setsockopt = 208, | |
1088 | aarch64_sys_getsockopt = 209, | |
1089 | aarch64_sys_shutdown = 210, | |
1090 | aarch64_sys_sendmsg = 211, | |
1091 | aarch64_sys_recvmsg = 212, | |
1092 | aarch64_sys_readahead = 213, | |
1093 | aarch64_sys_brk = 214, | |
1094 | aarch64_sys_munmap = 215, | |
1095 | aarch64_sys_mremap = 216, | |
1096 | aarch64_sys_add_key = 217, | |
1097 | aarch64_sys_request_key = 218, | |
1098 | aarch64_sys_keyctl = 219, | |
1099 | aarch64_sys_clone = 220, | |
1100 | aarch64_sys_execve = 221, | |
1101 | aarch64_sys_mmap = 222, | |
1102 | aarch64_sys_fadvise64 = 223, | |
1103 | aarch64_sys_swapon = 224, | |
1104 | aarch64_sys_swapoff = 225, | |
1105 | aarch64_sys_mprotect = 226, | |
1106 | aarch64_sys_msync = 227, | |
1107 | aarch64_sys_mlock = 228, | |
1108 | aarch64_sys_munlock = 229, | |
1109 | aarch64_sys_mlockall = 230, | |
1110 | aarch64_sys_munlockall = 231, | |
1111 | aarch64_sys_mincore = 232, | |
1112 | aarch64_sys_madvise = 233, | |
1113 | aarch64_sys_remap_file_pages = 234, | |
1114 | aarch64_sys_mbind = 235, | |
1115 | aarch64_sys_get_mempolicy = 236, | |
1116 | aarch64_sys_set_mempolicy = 237, | |
1117 | aarch64_sys_migrate_pages = 238, | |
1118 | aarch64_sys_move_pages = 239, | |
1119 | aarch64_sys_rt_tgsigqueueinfo = 240, | |
1120 | aarch64_sys_perf_event_open = 241, | |
1121 | aarch64_sys_accept4 = 242, | |
1122 | aarch64_sys_recvmmsg = 243, | |
1123 | aarch64_sys_wait4 = 260, | |
1124 | aarch64_sys_prlimit64 = 261, | |
1125 | aarch64_sys_fanotify_init = 262, | |
1126 | aarch64_sys_fanotify_mark = 263, | |
1127 | aarch64_sys_name_to_handle_at = 264, | |
1128 | aarch64_sys_open_by_handle_at = 265, | |
1129 | aarch64_sys_clock_adjtime = 266, | |
1130 | aarch64_sys_syncfs = 267, | |
1131 | aarch64_sys_setns = 268, | |
1132 | aarch64_sys_sendmmsg = 269, | |
1133 | aarch64_sys_process_vm_readv = 270, | |
1134 | aarch64_sys_process_vm_writev = 271, | |
1135 | aarch64_sys_kcmp = 272, | |
1136 | aarch64_sys_finit_module = 273, | |
1137 | aarch64_sys_sched_setattr = 274, | |
1138 | aarch64_sys_sched_getattr = 275, | |
1139 | }; | |
1140 | ||
1141 | /* aarch64_canonicalize_syscall maps syscall ids from the native AArch64 | |
1142 | linux set of syscall ids into a canonical set of syscall ids used by | |
1143 | process record. */ | |
1144 | ||
1145 | static enum gdb_syscall | |
1146 | aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number) | |
1147 | { | |
1148 | #define SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \ | |
1149 | return gdb_sys_##SYSCALL | |
1150 | ||
c955ae73 YQ |
1151 | #define UNSUPPORTED_SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \ |
1152 | return gdb_sys_no_syscall | |
1153 | ||
99afc88b OJ |
1154 | switch (syscall_number) |
1155 | { | |
1156 | SYSCALL_MAP (io_setup); | |
1157 | SYSCALL_MAP (io_destroy); | |
1158 | SYSCALL_MAP (io_submit); | |
1159 | SYSCALL_MAP (io_cancel); | |
1160 | SYSCALL_MAP (io_getevents); | |
1161 | ||
1162 | SYSCALL_MAP (setxattr); | |
1163 | SYSCALL_MAP (lsetxattr); | |
1164 | SYSCALL_MAP (fsetxattr); | |
1165 | SYSCALL_MAP (getxattr); | |
1166 | SYSCALL_MAP (lgetxattr); | |
1167 | SYSCALL_MAP (fgetxattr); | |
1168 | SYSCALL_MAP (listxattr); | |
1169 | SYSCALL_MAP (llistxattr); | |
1170 | SYSCALL_MAP (flistxattr); | |
1171 | SYSCALL_MAP (removexattr); | |
1172 | SYSCALL_MAP (lremovexattr); | |
1173 | SYSCALL_MAP (fremovexattr); | |
1174 | SYSCALL_MAP (getcwd); | |
1175 | SYSCALL_MAP (lookup_dcookie); | |
d5219069 YQ |
1176 | SYSCALL_MAP (eventfd2); |
1177 | SYSCALL_MAP (epoll_create1); | |
99afc88b OJ |
1178 | SYSCALL_MAP (epoll_ctl); |
1179 | SYSCALL_MAP (epoll_pwait); | |
1180 | SYSCALL_MAP (dup); | |
d5219069 | 1181 | SYSCALL_MAP (dup3); |
99afc88b | 1182 | SYSCALL_MAP (fcntl); |
d5219069 | 1183 | SYSCALL_MAP (inotify_init1); |
99afc88b OJ |
1184 | SYSCALL_MAP (inotify_add_watch); |
1185 | SYSCALL_MAP (inotify_rm_watch); | |
1186 | SYSCALL_MAP (ioctl); | |
1187 | SYSCALL_MAP (ioprio_set); | |
1188 | SYSCALL_MAP (ioprio_get); | |
1189 | SYSCALL_MAP (flock); | |
c955ae73 YQ |
1190 | SYSCALL_MAP (mknodat); |
1191 | SYSCALL_MAP (mkdirat); | |
1192 | SYSCALL_MAP (unlinkat); | |
1193 | SYSCALL_MAP (symlinkat); | |
1194 | SYSCALL_MAP (linkat); | |
1195 | SYSCALL_MAP (renameat); | |
1196 | UNSUPPORTED_SYSCALL_MAP (umount2); | |
99afc88b | 1197 | SYSCALL_MAP (mount); |
c955ae73 | 1198 | SYSCALL_MAP (pivot_root); |
99afc88b OJ |
1199 | SYSCALL_MAP (nfsservctl); |
1200 | SYSCALL_MAP (statfs); | |
1201 | SYSCALL_MAP (truncate); | |
1202 | SYSCALL_MAP (ftruncate); | |
d5219069 | 1203 | SYSCALL_MAP (fallocate); |
c955ae73 | 1204 | SYSCALL_MAP (faccessat); |
99afc88b OJ |
1205 | SYSCALL_MAP (fchdir); |
1206 | SYSCALL_MAP (chroot); | |
1207 | SYSCALL_MAP (fchmod); | |
1208 | SYSCALL_MAP (fchmodat); | |
1209 | SYSCALL_MAP (fchownat); | |
1210 | SYSCALL_MAP (fchown); | |
c955ae73 | 1211 | SYSCALL_MAP (openat); |
99afc88b OJ |
1212 | SYSCALL_MAP (close); |
1213 | SYSCALL_MAP (vhangup); | |
d5219069 | 1214 | SYSCALL_MAP (pipe2); |
99afc88b OJ |
1215 | SYSCALL_MAP (quotactl); |
1216 | SYSCALL_MAP (getdents64); | |
1217 | SYSCALL_MAP (lseek); | |
1218 | SYSCALL_MAP (read); | |
1219 | SYSCALL_MAP (write); | |
1220 | SYSCALL_MAP (readv); | |
1221 | SYSCALL_MAP (writev); | |
1222 | SYSCALL_MAP (pread64); | |
1223 | SYSCALL_MAP (pwrite64); | |
c955ae73 YQ |
1224 | UNSUPPORTED_SYSCALL_MAP (preadv); |
1225 | UNSUPPORTED_SYSCALL_MAP (pwritev); | |
99afc88b OJ |
1226 | SYSCALL_MAP (sendfile); |
1227 | SYSCALL_MAP (pselect6); | |
1228 | SYSCALL_MAP (ppoll); | |
c955ae73 | 1229 | UNSUPPORTED_SYSCALL_MAP (signalfd4); |
99afc88b OJ |
1230 | SYSCALL_MAP (vmsplice); |
1231 | SYSCALL_MAP (splice); | |
1232 | SYSCALL_MAP (tee); | |
c955ae73 YQ |
1233 | SYSCALL_MAP (readlinkat); |
1234 | SYSCALL_MAP (newfstatat); | |
1235 | ||
99afc88b OJ |
1236 | SYSCALL_MAP (fstat); |
1237 | SYSCALL_MAP (sync); | |
1238 | SYSCALL_MAP (fsync); | |
1239 | SYSCALL_MAP (fdatasync); | |
1240 | SYSCALL_MAP (sync_file_range); | |
c955ae73 YQ |
1241 | UNSUPPORTED_SYSCALL_MAP (timerfd_create); |
1242 | UNSUPPORTED_SYSCALL_MAP (timerfd_settime); | |
1243 | UNSUPPORTED_SYSCALL_MAP (timerfd_gettime); | |
1244 | UNSUPPORTED_SYSCALL_MAP (utimensat); | |
99afc88b OJ |
1245 | SYSCALL_MAP (acct); |
1246 | SYSCALL_MAP (capget); | |
1247 | SYSCALL_MAP (capset); | |
1248 | SYSCALL_MAP (personality); | |
1249 | SYSCALL_MAP (exit); | |
1250 | SYSCALL_MAP (exit_group); | |
1251 | SYSCALL_MAP (waitid); | |
1252 | SYSCALL_MAP (set_tid_address); | |
1253 | SYSCALL_MAP (unshare); | |
1254 | SYSCALL_MAP (futex); | |
1255 | SYSCALL_MAP (set_robust_list); | |
1256 | SYSCALL_MAP (get_robust_list); | |
1257 | SYSCALL_MAP (nanosleep); | |
1258 | ||
1259 | SYSCALL_MAP (getitimer); | |
1260 | SYSCALL_MAP (setitimer); | |
1261 | SYSCALL_MAP (kexec_load); | |
1262 | SYSCALL_MAP (init_module); | |
1263 | SYSCALL_MAP (delete_module); | |
1264 | SYSCALL_MAP (timer_create); | |
1265 | SYSCALL_MAP (timer_settime); | |
1266 | SYSCALL_MAP (timer_gettime); | |
1267 | SYSCALL_MAP (timer_getoverrun); | |
1268 | SYSCALL_MAP (timer_delete); | |
1269 | SYSCALL_MAP (clock_settime); | |
1270 | SYSCALL_MAP (clock_gettime); | |
1271 | SYSCALL_MAP (clock_getres); | |
1272 | SYSCALL_MAP (clock_nanosleep); | |
1273 | SYSCALL_MAP (syslog); | |
1274 | SYSCALL_MAP (ptrace); | |
1275 | SYSCALL_MAP (sched_setparam); | |
1276 | SYSCALL_MAP (sched_setscheduler); | |
1277 | SYSCALL_MAP (sched_getscheduler); | |
1278 | SYSCALL_MAP (sched_getparam); | |
1279 | SYSCALL_MAP (sched_setaffinity); | |
1280 | SYSCALL_MAP (sched_getaffinity); | |
1281 | SYSCALL_MAP (sched_yield); | |
1282 | SYSCALL_MAP (sched_get_priority_max); | |
1283 | SYSCALL_MAP (sched_get_priority_min); | |
1284 | SYSCALL_MAP (sched_rr_get_interval); | |
1285 | SYSCALL_MAP (kill); | |
1286 | SYSCALL_MAP (tkill); | |
1287 | SYSCALL_MAP (tgkill); | |
1288 | SYSCALL_MAP (sigaltstack); | |
1289 | SYSCALL_MAP (rt_sigsuspend); | |
1290 | SYSCALL_MAP (rt_sigaction); | |
1291 | SYSCALL_MAP (rt_sigprocmask); | |
1292 | SYSCALL_MAP (rt_sigpending); | |
1293 | SYSCALL_MAP (rt_sigtimedwait); | |
1294 | SYSCALL_MAP (rt_sigqueueinfo); | |
1295 | SYSCALL_MAP (rt_sigreturn); | |
1296 | SYSCALL_MAP (setpriority); | |
1297 | SYSCALL_MAP (getpriority); | |
1298 | SYSCALL_MAP (reboot); | |
1299 | SYSCALL_MAP (setregid); | |
1300 | SYSCALL_MAP (setgid); | |
1301 | SYSCALL_MAP (setreuid); | |
1302 | SYSCALL_MAP (setuid); | |
1303 | SYSCALL_MAP (setresuid); | |
1304 | SYSCALL_MAP (getresuid); | |
1305 | SYSCALL_MAP (setresgid); | |
1306 | SYSCALL_MAP (getresgid); | |
1307 | SYSCALL_MAP (setfsuid); | |
1308 | SYSCALL_MAP (setfsgid); | |
1309 | SYSCALL_MAP (times); | |
1310 | SYSCALL_MAP (setpgid); | |
1311 | SYSCALL_MAP (getpgid); | |
1312 | SYSCALL_MAP (getsid); | |
1313 | SYSCALL_MAP (setsid); | |
1314 | SYSCALL_MAP (getgroups); | |
1315 | SYSCALL_MAP (setgroups); | |
1316 | SYSCALL_MAP (uname); | |
1317 | SYSCALL_MAP (sethostname); | |
1318 | SYSCALL_MAP (setdomainname); | |
1319 | SYSCALL_MAP (getrlimit); | |
1320 | SYSCALL_MAP (setrlimit); | |
1321 | SYSCALL_MAP (getrusage); | |
1322 | SYSCALL_MAP (umask); | |
1323 | SYSCALL_MAP (prctl); | |
c955ae73 | 1324 | SYSCALL_MAP (getcpu); |
99afc88b OJ |
1325 | SYSCALL_MAP (gettimeofday); |
1326 | SYSCALL_MAP (settimeofday); | |
1327 | SYSCALL_MAP (adjtimex); | |
1328 | SYSCALL_MAP (getpid); | |
1329 | SYSCALL_MAP (getppid); | |
1330 | SYSCALL_MAP (getuid); | |
1331 | SYSCALL_MAP (geteuid); | |
1332 | SYSCALL_MAP (getgid); | |
1333 | SYSCALL_MAP (getegid); | |
1334 | SYSCALL_MAP (gettid); | |
1335 | SYSCALL_MAP (sysinfo); | |
1336 | SYSCALL_MAP (mq_open); | |
1337 | SYSCALL_MAP (mq_unlink); | |
1338 | SYSCALL_MAP (mq_timedsend); | |
1339 | SYSCALL_MAP (mq_timedreceive); | |
1340 | SYSCALL_MAP (mq_notify); | |
1341 | SYSCALL_MAP (mq_getsetattr); | |
1342 | SYSCALL_MAP (msgget); | |
1343 | SYSCALL_MAP (msgctl); | |
1344 | SYSCALL_MAP (msgrcv); | |
1345 | SYSCALL_MAP (msgsnd); | |
1346 | SYSCALL_MAP (semget); | |
1347 | SYSCALL_MAP (semctl); | |
1348 | SYSCALL_MAP (semtimedop); | |
1349 | SYSCALL_MAP (semop); | |
1350 | SYSCALL_MAP (shmget); | |
1351 | SYSCALL_MAP (shmctl); | |
1352 | SYSCALL_MAP (shmat); | |
1353 | SYSCALL_MAP (shmdt); | |
1354 | SYSCALL_MAP (socket); | |
1355 | SYSCALL_MAP (socketpair); | |
1356 | SYSCALL_MAP (bind); | |
1357 | SYSCALL_MAP (listen); | |
1358 | SYSCALL_MAP (accept); | |
1359 | SYSCALL_MAP (connect); | |
1360 | SYSCALL_MAP (getsockname); | |
1361 | SYSCALL_MAP (getpeername); | |
1362 | SYSCALL_MAP (sendto); | |
1363 | SYSCALL_MAP (recvfrom); | |
1364 | SYSCALL_MAP (setsockopt); | |
1365 | SYSCALL_MAP (getsockopt); | |
1366 | SYSCALL_MAP (shutdown); | |
1367 | SYSCALL_MAP (sendmsg); | |
1368 | SYSCALL_MAP (recvmsg); | |
1369 | SYSCALL_MAP (readahead); | |
1370 | SYSCALL_MAP (brk); | |
1371 | SYSCALL_MAP (munmap); | |
1372 | SYSCALL_MAP (mremap); | |
1373 | SYSCALL_MAP (add_key); | |
1374 | SYSCALL_MAP (request_key); | |
1375 | SYSCALL_MAP (keyctl); | |
1376 | SYSCALL_MAP (clone); | |
1377 | SYSCALL_MAP (execve); | |
1378 | ||
1379 | case aarch64_sys_mmap: | |
1380 | return gdb_sys_mmap2; | |
1381 | ||
1382 | SYSCALL_MAP (fadvise64); | |
1383 | SYSCALL_MAP (swapon); | |
1384 | SYSCALL_MAP (swapoff); | |
1385 | SYSCALL_MAP (mprotect); | |
1386 | SYSCALL_MAP (msync); | |
1387 | SYSCALL_MAP (mlock); | |
1388 | SYSCALL_MAP (munlock); | |
1389 | SYSCALL_MAP (mlockall); | |
1390 | SYSCALL_MAP (munlockall); | |
1391 | SYSCALL_MAP (mincore); | |
1392 | SYSCALL_MAP (madvise); | |
1393 | SYSCALL_MAP (remap_file_pages); | |
1394 | SYSCALL_MAP (mbind); | |
1395 | SYSCALL_MAP (get_mempolicy); | |
1396 | SYSCALL_MAP (set_mempolicy); | |
1397 | SYSCALL_MAP (migrate_pages); | |
1398 | SYSCALL_MAP (move_pages); | |
c955ae73 YQ |
1399 | UNSUPPORTED_SYSCALL_MAP (rt_tgsigqueueinfo); |
1400 | UNSUPPORTED_SYSCALL_MAP (perf_event_open); | |
1401 | UNSUPPORTED_SYSCALL_MAP (accept4); | |
1402 | UNSUPPORTED_SYSCALL_MAP (recvmmsg); | |
1403 | ||
1404 | SYSCALL_MAP (wait4); | |
1405 | ||
1406 | UNSUPPORTED_SYSCALL_MAP (prlimit64); | |
1407 | UNSUPPORTED_SYSCALL_MAP (fanotify_init); | |
1408 | UNSUPPORTED_SYSCALL_MAP (fanotify_mark); | |
1409 | UNSUPPORTED_SYSCALL_MAP (name_to_handle_at); | |
1410 | UNSUPPORTED_SYSCALL_MAP (open_by_handle_at); | |
1411 | UNSUPPORTED_SYSCALL_MAP (clock_adjtime); | |
1412 | UNSUPPORTED_SYSCALL_MAP (syncfs); | |
1413 | UNSUPPORTED_SYSCALL_MAP (setns); | |
1414 | UNSUPPORTED_SYSCALL_MAP (sendmmsg); | |
1415 | UNSUPPORTED_SYSCALL_MAP (process_vm_readv); | |
1416 | UNSUPPORTED_SYSCALL_MAP (process_vm_writev); | |
1417 | UNSUPPORTED_SYSCALL_MAP (kcmp); | |
1418 | UNSUPPORTED_SYSCALL_MAP (finit_module); | |
1419 | UNSUPPORTED_SYSCALL_MAP (sched_setattr); | |
1420 | UNSUPPORTED_SYSCALL_MAP (sched_getattr); | |
99afc88b | 1421 | default: |
cb65d272 | 1422 | return gdb_sys_no_syscall; |
99afc88b OJ |
1423 | } |
1424 | } | |
1425 | ||
ea638c43 AH |
1426 | /* Retrieve the syscall number at a ptrace syscall-stop, either on syscall entry |
1427 | or exit. Return -1 upon error. */ | |
1428 | ||
1429 | static LONGEST | |
1430 | aarch64_linux_get_syscall_number (struct gdbarch *gdbarch, thread_info *thread) | |
1431 | { | |
1432 | struct regcache *regs = get_thread_regcache (thread); | |
1433 | LONGEST ret; | |
1434 | ||
1435 | /* Get the system call number from register x8. */ | |
1436 | regs->cooked_read (AARCH64_X0_REGNUM + 8, &ret); | |
1437 | ||
1438 | /* On exit from a successful execve, we will be in a new process and all the | |
1439 | registers will be cleared - x0 to x30 will be 0, except for a 1 in x7. | |
1440 | This function will only ever get called when stopped at the entry or exit | |
1441 | of a syscall, so by checking for 0 in x0 (arg0/retval), x1 (arg1), x8 | |
1442 | (syscall), x29 (FP) and x30 (LR) we can infer: | |
30baf67b | 1443 | 1) Either inferior is at exit from successful execve. |
ea638c43 AH |
1444 | 2) Or inferior is at entry to a call to io_setup with invalid arguments and |
1445 | a corrupted FP and LR. | |
1446 | It should be safe enough to assume case 1. */ | |
1447 | if (ret == 0) | |
1448 | { | |
1449 | LONGEST x1 = -1, fp = -1, lr = -1; | |
1450 | regs->cooked_read (AARCH64_X0_REGNUM + 1, &x1); | |
1451 | regs->cooked_read (AARCH64_FP_REGNUM, &fp); | |
1452 | regs->cooked_read (AARCH64_LR_REGNUM, &lr); | |
1453 | if (x1 == 0 && fp ==0 && lr == 0) | |
1454 | return aarch64_sys_execve; | |
1455 | } | |
1456 | ||
1457 | return ret; | |
1458 | } | |
1459 | ||
99afc88b OJ |
1460 | /* Record all registers but PC register for process-record. */ |
1461 | ||
1462 | static int | |
1463 | aarch64_all_but_pc_registers_record (struct regcache *regcache) | |
1464 | { | |
1465 | int i; | |
1466 | ||
1467 | for (i = AARCH64_X0_REGNUM; i < AARCH64_PC_REGNUM; i++) | |
1468 | if (record_full_arch_list_add_reg (regcache, i)) | |
1469 | return -1; | |
1470 | ||
1471 | if (record_full_arch_list_add_reg (regcache, AARCH64_CPSR_REGNUM)) | |
1472 | return -1; | |
1473 | ||
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | /* Handler for aarch64 system call instruction recording. */ | |
1478 | ||
1479 | static int | |
1480 | aarch64_linux_syscall_record (struct regcache *regcache, | |
1481 | unsigned long svc_number) | |
1482 | { | |
1483 | int ret = 0; | |
1484 | enum gdb_syscall syscall_gdb; | |
1485 | ||
1f713e48 SM |
1486 | syscall_gdb = |
1487 | aarch64_canonicalize_syscall ((enum aarch64_syscall) svc_number); | |
99afc88b OJ |
1488 | |
1489 | if (syscall_gdb < 0) | |
1490 | { | |
1491 | printf_unfiltered (_("Process record and replay target doesn't " | |
1492 | "support syscall number %s\n"), | |
1493 | plongest (svc_number)); | |
1494 | return -1; | |
1495 | } | |
1496 | ||
1497 | if (syscall_gdb == gdb_sys_sigreturn | |
1498 | || syscall_gdb == gdb_sys_rt_sigreturn) | |
1499 | { | |
1500 | if (aarch64_all_but_pc_registers_record (regcache)) | |
1501 | return -1; | |
1502 | return 0; | |
1503 | } | |
1504 | ||
1505 | ret = record_linux_system_call (syscall_gdb, regcache, | |
1506 | &aarch64_linux_record_tdep); | |
1507 | if (ret != 0) | |
1508 | return ret; | |
1509 | ||
1510 | /* Record the return value of the system call. */ | |
1511 | if (record_full_arch_list_add_reg (regcache, AARCH64_X0_REGNUM)) | |
1512 | return -1; | |
1513 | /* Record LR. */ | |
1514 | if (record_full_arch_list_add_reg (regcache, AARCH64_LR_REGNUM)) | |
1515 | return -1; | |
1516 | /* Record CPSR. */ | |
1517 | if (record_full_arch_list_add_reg (regcache, AARCH64_CPSR_REGNUM)) | |
1518 | return -1; | |
1519 | ||
1520 | return 0; | |
1521 | } | |
1522 | ||
7045b1ca YQ |
1523 | /* Implement the "gcc_target_options" gdbarch method. */ |
1524 | ||
953cff56 | 1525 | static std::string |
7045b1ca YQ |
1526 | aarch64_linux_gcc_target_options (struct gdbarch *gdbarch) |
1527 | { | |
1528 | /* GCC doesn't know "-m64". */ | |
953cff56 | 1529 | return {}; |
7045b1ca YQ |
1530 | } |
1531 | ||
c7782e50 LM |
1532 | /* Helper to get the allocation tag from a 64-bit ADDRESS. |
1533 | ||
1534 | Return the allocation tag if successful and nullopt otherwise. */ | |
1535 | ||
1536 | static gdb::optional<CORE_ADDR> | |
1537 | aarch64_mte_get_atag (CORE_ADDR address) | |
1538 | { | |
1539 | gdb::byte_vector tags; | |
1540 | ||
1541 | /* Attempt to fetch the allocation tag. */ | |
1542 | if (!target_fetch_memtags (address, 1, tags, | |
1543 | static_cast<int> (memtag_type::allocation))) | |
1544 | return {}; | |
1545 | ||
1546 | /* Only one tag should've been returned. Make sure we got exactly that. */ | |
1547 | if (tags.size () != 1) | |
1548 | error (_("Target returned an unexpected number of tags.")); | |
1549 | ||
1550 | /* Although our tags are 4 bits in size, they are stored in a | |
1551 | byte. */ | |
1552 | return tags[0]; | |
1553 | } | |
1554 | ||
1555 | /* Implement the tagged_address_p gdbarch method. */ | |
1556 | ||
1557 | static bool | |
1558 | aarch64_linux_tagged_address_p (struct gdbarch *gdbarch, struct value *address) | |
1559 | { | |
1560 | gdb_assert (address != nullptr); | |
1561 | ||
1562 | CORE_ADDR addr = value_as_address (address); | |
1563 | ||
1564 | /* Remove the top byte for the memory range check. */ | |
1565 | addr = address_significant (gdbarch, addr); | |
1566 | ||
1567 | /* Check if the page that contains ADDRESS is mapped with PROT_MTE. */ | |
1568 | if (!linux_address_in_memtag_page (addr)) | |
1569 | return false; | |
1570 | ||
1571 | /* We have a valid tag in the top byte of the 64-bit address. */ | |
1572 | return true; | |
1573 | } | |
1574 | ||
1575 | /* Implement the memtag_matches_p gdbarch method. */ | |
1576 | ||
1577 | static bool | |
1578 | aarch64_linux_memtag_matches_p (struct gdbarch *gdbarch, | |
1579 | struct value *address) | |
1580 | { | |
1581 | gdb_assert (address != nullptr); | |
1582 | ||
1583 | /* Make sure we are dealing with a tagged address to begin with. */ | |
1584 | if (!aarch64_linux_tagged_address_p (gdbarch, address)) | |
1585 | return true; | |
1586 | ||
1587 | CORE_ADDR addr = value_as_address (address); | |
1588 | ||
1589 | /* Fetch the allocation tag for ADDRESS. */ | |
1590 | gdb::optional<CORE_ADDR> atag = aarch64_mte_get_atag (addr); | |
1591 | ||
1592 | if (!atag.has_value ()) | |
1593 | return true; | |
1594 | ||
1595 | /* Fetch the logical tag for ADDRESS. */ | |
1596 | gdb_byte ltag = aarch64_mte_get_ltag (addr); | |
1597 | ||
1598 | /* Are the tags the same? */ | |
1599 | return ltag == *atag; | |
1600 | } | |
1601 | ||
1602 | /* Implement the set_memtags gdbarch method. */ | |
1603 | ||
1604 | static bool | |
1605 | aarch64_linux_set_memtags (struct gdbarch *gdbarch, struct value *address, | |
1606 | size_t length, const gdb::byte_vector &tags, | |
1607 | memtag_type tag_type) | |
1608 | { | |
1609 | gdb_assert (!tags.empty ()); | |
1610 | gdb_assert (address != nullptr); | |
1611 | ||
1612 | CORE_ADDR addr = value_as_address (address); | |
1613 | ||
1614 | /* Set the logical tag or the allocation tag. */ | |
1615 | if (tag_type == memtag_type::logical) | |
1616 | { | |
1617 | /* When setting logical tags, we don't care about the length, since | |
1618 | we are only setting a single logical tag. */ | |
1619 | addr = aarch64_mte_set_ltag (addr, tags[0]); | |
1620 | ||
1621 | /* Update the value's content with the tag. */ | |
1622 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
1623 | gdb_byte *srcbuf = value_contents_raw (address); | |
1624 | store_unsigned_integer (srcbuf, sizeof (addr), byte_order, addr); | |
1625 | } | |
1626 | else | |
1627 | { | |
1628 | /* Make sure we are dealing with a tagged address to begin with. */ | |
1629 | if (!aarch64_linux_tagged_address_p (gdbarch, address)) | |
1630 | return false; | |
1631 | ||
1632 | /* With G being the number of tag granules and N the number of tags | |
1633 | passed in, we can have the following cases: | |
1634 | ||
1635 | 1 - G == N: Store all the N tags to memory. | |
1636 | ||
1637 | 2 - G < N : Warn about having more tags than granules, but write G | |
1638 | tags. | |
1639 | ||
1640 | 3 - G > N : This is a "fill tags" operation. We should use the tags | |
1641 | as a pattern to fill the granules repeatedly until we have | |
1642 | written G tags to memory. | |
1643 | */ | |
1644 | ||
1645 | size_t g = aarch64_mte_get_tag_granules (addr, length, | |
1646 | AARCH64_MTE_GRANULE_SIZE); | |
1647 | size_t n = tags.size (); | |
1648 | ||
1649 | if (g < n) | |
1650 | warning (_("Got more tags than memory granules. Tags will be " | |
1651 | "truncated.")); | |
1652 | else if (g > n) | |
1653 | warning (_("Using tag pattern to fill memory range.")); | |
1654 | ||
1655 | if (!target_store_memtags (addr, length, tags, | |
1656 | static_cast<int> (memtag_type::allocation))) | |
1657 | return false; | |
1658 | } | |
1659 | return true; | |
1660 | } | |
1661 | ||
1662 | /* Implement the get_memtag gdbarch method. */ | |
1663 | ||
1664 | static struct value * | |
1665 | aarch64_linux_get_memtag (struct gdbarch *gdbarch, struct value *address, | |
1666 | memtag_type tag_type) | |
1667 | { | |
1668 | gdb_assert (address != nullptr); | |
1669 | ||
1670 | CORE_ADDR addr = value_as_address (address); | |
1671 | CORE_ADDR tag = 0; | |
1672 | ||
1673 | /* Get the logical tag or the allocation tag. */ | |
1674 | if (tag_type == memtag_type::logical) | |
1675 | tag = aarch64_mte_get_ltag (addr); | |
1676 | else | |
1677 | { | |
1678 | /* Make sure we are dealing with a tagged address to begin with. */ | |
1679 | if (!aarch64_linux_tagged_address_p (gdbarch, address)) | |
1680 | return nullptr; | |
1681 | ||
1682 | gdb::optional<CORE_ADDR> atag = aarch64_mte_get_atag (addr); | |
1683 | ||
1684 | if (!atag.has_value ()) | |
1685 | return nullptr; | |
1686 | ||
1687 | tag = *atag; | |
1688 | } | |
1689 | ||
1690 | /* Convert the tag to a value. */ | |
1691 | return value_from_ulongest (builtin_type (gdbarch)->builtin_unsigned_int, | |
1692 | tag); | |
1693 | } | |
1694 | ||
1695 | /* Implement the memtag_to_string gdbarch method. */ | |
1696 | ||
1697 | static std::string | |
1698 | aarch64_linux_memtag_to_string (struct gdbarch *gdbarch, struct value *tag_value) | |
1699 | { | |
1700 | if (tag_value == nullptr) | |
1701 | return ""; | |
1702 | ||
1703 | CORE_ADDR tag = value_as_address (tag_value); | |
1704 | ||
1705 | return string_printf ("0x%s", phex_nz (tag, sizeof (tag))); | |
1706 | } | |
1707 | ||
cf44c9fa LM |
1708 | /* AArch64 Linux implementation of the report_signal_info gdbarch |
1709 | hook. Displays information about possible memory tag violations. */ | |
1710 | ||
1711 | static void | |
1712 | aarch64_linux_report_signal_info (struct gdbarch *gdbarch, | |
1713 | struct ui_out *uiout, | |
1714 | enum gdb_signal siggnal) | |
1715 | { | |
1716 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1717 | ||
1718 | if (!tdep->has_mte () || siggnal != GDB_SIGNAL_SEGV) | |
1719 | return; | |
1720 | ||
1721 | CORE_ADDR fault_addr = 0; | |
1722 | long si_code = 0; | |
1723 | ||
1724 | try | |
1725 | { | |
1726 | /* Sigcode tells us if the segfault is actually a memory tag | |
1727 | violation. */ | |
1728 | si_code = parse_and_eval_long ("$_siginfo.si_code"); | |
1729 | ||
1730 | fault_addr | |
1731 | = parse_and_eval_long ("$_siginfo._sifields._sigfault.si_addr"); | |
1732 | } | |
1733 | catch (const gdb_exception_error &exception) | |
1734 | { | |
1735 | exception_print (gdb_stderr, exception); | |
1736 | return; | |
1737 | } | |
1738 | ||
1739 | /* If this is not a memory tag violation, just return. */ | |
1740 | if (si_code != SEGV_MTEAERR && si_code != SEGV_MTESERR) | |
1741 | return; | |
1742 | ||
1743 | uiout->text ("\n"); | |
1744 | ||
1745 | uiout->field_string ("sigcode-meaning", _("Memory tag violation")); | |
1746 | ||
1747 | /* For synchronous faults, show additional information. */ | |
1748 | if (si_code == SEGV_MTESERR) | |
1749 | { | |
1750 | uiout->text (_(" while accessing address ")); | |
1751 | uiout->field_core_addr ("fault-addr", gdbarch, fault_addr); | |
1752 | uiout->text ("\n"); | |
1753 | ||
1754 | gdb::optional<CORE_ADDR> atag = aarch64_mte_get_atag (fault_addr); | |
1755 | gdb_byte ltag = aarch64_mte_get_ltag (fault_addr); | |
1756 | ||
1757 | if (!atag.has_value ()) | |
1758 | uiout->text (_("Allocation tag unavailable")); | |
1759 | else | |
1760 | { | |
1761 | uiout->text (_("Allocation tag ")); | |
1762 | uiout->field_string ("allocation-tag", hex_string (*atag)); | |
1763 | uiout->text ("\n"); | |
1764 | uiout->text (_("Logical tag ")); | |
1765 | uiout->field_string ("logical-tag", hex_string (ltag)); | |
1766 | } | |
1767 | } | |
1768 | else | |
1769 | { | |
1770 | uiout->text ("\n"); | |
1771 | uiout->text (_("Fault address unavailable")); | |
1772 | } | |
1773 | } | |
1774 | ||
1ae3db19 MS |
1775 | static void |
1776 | aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) | |
1777 | { | |
08248ca9 SDJ |
1778 | static const char *const stap_integer_prefixes[] = { "#", "", NULL }; |
1779 | static const char *const stap_register_prefixes[] = { "", NULL }; | |
1780 | static const char *const stap_register_indirection_prefixes[] = { "[", | |
1781 | NULL }; | |
1782 | static const char *const stap_register_indirection_suffixes[] = { "]", | |
1783 | NULL }; | |
1ae3db19 MS |
1784 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
1785 | ||
1786 | tdep->lowest_pc = 0x8000; | |
1787 | ||
480af54c | 1788 | linux_init_abi (info, gdbarch, 1); |
05feb193 | 1789 | |
1ae3db19 MS |
1790 | set_solib_svr4_fetch_link_map_offsets (gdbarch, |
1791 | svr4_lp64_fetch_link_map_offsets); | |
1792 | ||
45e25a36 MS |
1793 | /* Enable TLS support. */ |
1794 | set_gdbarch_fetch_tls_load_module_address (gdbarch, | |
dda83cd7 | 1795 | svr4_fetch_objfile_link_map); |
45e25a36 | 1796 | |
1ae3db19 MS |
1797 | /* Shared library handling. */ |
1798 | set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); | |
6dcaef99 | 1799 | set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); |
1ae3db19 | 1800 | |
1ae3db19 MS |
1801 | tramp_frame_prepend_unwinder (gdbarch, &aarch64_linux_rt_sigframe); |
1802 | ||
1803 | /* Enable longjmp. */ | |
1804 | tdep->jb_pc = 11; | |
1805 | ||
4108500a AA |
1806 | set_gdbarch_iterate_over_regset_sections |
1807 | (gdbarch, aarch64_linux_iterate_over_regset_sections); | |
cd3af38d JW |
1808 | set_gdbarch_core_read_description |
1809 | (gdbarch, aarch64_linux_core_read_description); | |
08248ca9 SDJ |
1810 | |
1811 | /* SystemTap related. */ | |
1812 | set_gdbarch_stap_integer_prefixes (gdbarch, stap_integer_prefixes); | |
1813 | set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes); | |
1814 | set_gdbarch_stap_register_indirection_prefixes (gdbarch, | |
1815 | stap_register_indirection_prefixes); | |
1816 | set_gdbarch_stap_register_indirection_suffixes (gdbarch, | |
1817 | stap_register_indirection_suffixes); | |
1818 | set_gdbarch_stap_is_single_operand (gdbarch, aarch64_stap_is_single_operand); | |
1819 | set_gdbarch_stap_parse_special_token (gdbarch, | |
1820 | aarch64_stap_parse_special_token); | |
f68f11b7 | 1821 | |
99afc88b OJ |
1822 | /* Reversible debugging, process record. */ |
1823 | set_gdbarch_process_record (gdbarch, aarch64_process_record); | |
1824 | /* Syscall record. */ | |
1825 | tdep->aarch64_syscall_record = aarch64_linux_syscall_record; | |
1826 | ||
8727de56 OJ |
1827 | /* The top byte of a user space address known as the "tag", |
1828 | is ignored by the kernel and can be regarded as additional | |
1829 | data associated with the address. */ | |
1830 | set_gdbarch_significant_addr_bit (gdbarch, 56); | |
1831 | ||
c7782e50 LM |
1832 | /* MTE-specific settings and hooks. */ |
1833 | if (tdep->has_mte ()) | |
1834 | { | |
1835 | /* Register a hook for checking if an address is tagged or not. */ | |
1836 | set_gdbarch_tagged_address_p (gdbarch, aarch64_linux_tagged_address_p); | |
1837 | ||
1838 | /* Register a hook for checking if there is a memory tag match. */ | |
1839 | set_gdbarch_memtag_matches_p (gdbarch, | |
1840 | aarch64_linux_memtag_matches_p); | |
1841 | ||
1842 | /* Register a hook for setting the logical/allocation tags for | |
1843 | a range of addresses. */ | |
1844 | set_gdbarch_set_memtags (gdbarch, aarch64_linux_set_memtags); | |
1845 | ||
1846 | /* Register a hook for extracting the logical/allocation tag from an | |
1847 | address. */ | |
1848 | set_gdbarch_get_memtag (gdbarch, aarch64_linux_get_memtag); | |
1849 | ||
1850 | /* Set the allocation tag granule size to 16 bytes. */ | |
1851 | set_gdbarch_memtag_granule_size (gdbarch, AARCH64_MTE_GRANULE_SIZE); | |
1852 | ||
1853 | /* Register a hook for converting a memory tag to a string. */ | |
1854 | set_gdbarch_memtag_to_string (gdbarch, aarch64_linux_memtag_to_string); | |
cf44c9fa LM |
1855 | |
1856 | set_gdbarch_report_signal_info (gdbarch, | |
1857 | aarch64_linux_report_signal_info); | |
c7782e50 LM |
1858 | } |
1859 | ||
99afc88b OJ |
1860 | /* Initialize the aarch64_linux_record_tdep. */ |
1861 | /* These values are the size of the type that will be used in a system | |
1862 | call. They are obtained from Linux Kernel source. */ | |
1863 | aarch64_linux_record_tdep.size_pointer | |
1864 | = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT; | |
1865 | aarch64_linux_record_tdep.size__old_kernel_stat = 32; | |
1866 | aarch64_linux_record_tdep.size_tms = 32; | |
1867 | aarch64_linux_record_tdep.size_loff_t = 8; | |
1868 | aarch64_linux_record_tdep.size_flock = 32; | |
1869 | aarch64_linux_record_tdep.size_oldold_utsname = 45; | |
1870 | aarch64_linux_record_tdep.size_ustat = 32; | |
7571f7f2 MK |
1871 | aarch64_linux_record_tdep.size_old_sigaction = 32; |
1872 | aarch64_linux_record_tdep.size_old_sigset_t = 8; | |
99afc88b OJ |
1873 | aarch64_linux_record_tdep.size_rlimit = 16; |
1874 | aarch64_linux_record_tdep.size_rusage = 144; | |
1875 | aarch64_linux_record_tdep.size_timeval = 16; | |
1876 | aarch64_linux_record_tdep.size_timezone = 8; | |
1877 | aarch64_linux_record_tdep.size_old_gid_t = 2; | |
1878 | aarch64_linux_record_tdep.size_old_uid_t = 2; | |
1879 | aarch64_linux_record_tdep.size_fd_set = 128; | |
72aded86 | 1880 | aarch64_linux_record_tdep.size_old_dirent = 280; |
99afc88b OJ |
1881 | aarch64_linux_record_tdep.size_statfs = 120; |
1882 | aarch64_linux_record_tdep.size_statfs64 = 120; | |
1883 | aarch64_linux_record_tdep.size_sockaddr = 16; | |
1884 | aarch64_linux_record_tdep.size_int | |
1885 | = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT; | |
1886 | aarch64_linux_record_tdep.size_long | |
1887 | = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; | |
1888 | aarch64_linux_record_tdep.size_ulong | |
1889 | = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; | |
1890 | aarch64_linux_record_tdep.size_msghdr = 56; | |
1891 | aarch64_linux_record_tdep.size_itimerval = 32; | |
1892 | aarch64_linux_record_tdep.size_stat = 144; | |
1893 | aarch64_linux_record_tdep.size_old_utsname = 325; | |
1894 | aarch64_linux_record_tdep.size_sysinfo = 112; | |
1895 | aarch64_linux_record_tdep.size_msqid_ds = 120; | |
1896 | aarch64_linux_record_tdep.size_shmid_ds = 112; | |
1897 | aarch64_linux_record_tdep.size_new_utsname = 390; | |
1898 | aarch64_linux_record_tdep.size_timex = 208; | |
1899 | aarch64_linux_record_tdep.size_mem_dqinfo = 24; | |
1900 | aarch64_linux_record_tdep.size_if_dqblk = 72; | |
1901 | aarch64_linux_record_tdep.size_fs_quota_stat = 80; | |
1902 | aarch64_linux_record_tdep.size_timespec = 16; | |
1903 | aarch64_linux_record_tdep.size_pollfd = 8; | |
1904 | aarch64_linux_record_tdep.size_NFS_FHSIZE = 32; | |
1905 | aarch64_linux_record_tdep.size_knfsd_fh = 132; | |
1906 | aarch64_linux_record_tdep.size_TASK_COMM_LEN = 16; | |
7571f7f2 MK |
1907 | aarch64_linux_record_tdep.size_sigaction = 32; |
1908 | aarch64_linux_record_tdep.size_sigset_t = 8; | |
99afc88b OJ |
1909 | aarch64_linux_record_tdep.size_siginfo_t = 128; |
1910 | aarch64_linux_record_tdep.size_cap_user_data_t = 8; | |
1911 | aarch64_linux_record_tdep.size_stack_t = 24; | |
1912 | aarch64_linux_record_tdep.size_off_t = 8; | |
1913 | aarch64_linux_record_tdep.size_stat64 = 144; | |
1914 | aarch64_linux_record_tdep.size_gid_t = 4; | |
1915 | aarch64_linux_record_tdep.size_uid_t = 4; | |
1916 | aarch64_linux_record_tdep.size_PAGE_SIZE = 4096; | |
1917 | aarch64_linux_record_tdep.size_flock64 = 32; | |
1918 | aarch64_linux_record_tdep.size_user_desc = 16; | |
1919 | aarch64_linux_record_tdep.size_io_event = 32; | |
1920 | aarch64_linux_record_tdep.size_iocb = 64; | |
1921 | aarch64_linux_record_tdep.size_epoll_event = 12; | |
1922 | aarch64_linux_record_tdep.size_itimerspec = 32; | |
1923 | aarch64_linux_record_tdep.size_mq_attr = 64; | |
d9b19c49 | 1924 | aarch64_linux_record_tdep.size_termios = 36; |
99afc88b OJ |
1925 | aarch64_linux_record_tdep.size_termios2 = 44; |
1926 | aarch64_linux_record_tdep.size_pid_t = 4; | |
1927 | aarch64_linux_record_tdep.size_winsize = 8; | |
1928 | aarch64_linux_record_tdep.size_serial_struct = 72; | |
1929 | aarch64_linux_record_tdep.size_serial_icounter_struct = 80; | |
1930 | aarch64_linux_record_tdep.size_hayes_esp_config = 12; | |
1931 | aarch64_linux_record_tdep.size_size_t = 8; | |
1932 | aarch64_linux_record_tdep.size_iovec = 16; | |
b80d067f | 1933 | aarch64_linux_record_tdep.size_time_t = 8; |
99afc88b OJ |
1934 | |
1935 | /* These values are the second argument of system call "sys_ioctl". | |
1936 | They are obtained from Linux Kernel source. */ | |
1937 | aarch64_linux_record_tdep.ioctl_TCGETS = 0x5401; | |
1938 | aarch64_linux_record_tdep.ioctl_TCSETS = 0x5402; | |
1939 | aarch64_linux_record_tdep.ioctl_TCSETSW = 0x5403; | |
1940 | aarch64_linux_record_tdep.ioctl_TCSETSF = 0x5404; | |
1941 | aarch64_linux_record_tdep.ioctl_TCGETA = 0x5405; | |
1942 | aarch64_linux_record_tdep.ioctl_TCSETA = 0x5406; | |
1943 | aarch64_linux_record_tdep.ioctl_TCSETAW = 0x5407; | |
1944 | aarch64_linux_record_tdep.ioctl_TCSETAF = 0x5408; | |
1945 | aarch64_linux_record_tdep.ioctl_TCSBRK = 0x5409; | |
1946 | aarch64_linux_record_tdep.ioctl_TCXONC = 0x540a; | |
1947 | aarch64_linux_record_tdep.ioctl_TCFLSH = 0x540b; | |
1948 | aarch64_linux_record_tdep.ioctl_TIOCEXCL = 0x540c; | |
1949 | aarch64_linux_record_tdep.ioctl_TIOCNXCL = 0x540d; | |
1950 | aarch64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540e; | |
1951 | aarch64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540f; | |
1952 | aarch64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410; | |
1953 | aarch64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411; | |
1954 | aarch64_linux_record_tdep.ioctl_TIOCSTI = 0x5412; | |
1955 | aarch64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413; | |
1956 | aarch64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414; | |
1957 | aarch64_linux_record_tdep.ioctl_TIOCMGET = 0x5415; | |
1958 | aarch64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416; | |
1959 | aarch64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417; | |
1960 | aarch64_linux_record_tdep.ioctl_TIOCMSET = 0x5418; | |
1961 | aarch64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419; | |
1962 | aarch64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541a; | |
1963 | aarch64_linux_record_tdep.ioctl_FIONREAD = 0x541b; | |
1964 | aarch64_linux_record_tdep.ioctl_TIOCINQ = 0x541b; | |
1965 | aarch64_linux_record_tdep.ioctl_TIOCLINUX = 0x541c; | |
1966 | aarch64_linux_record_tdep.ioctl_TIOCCONS = 0x541d; | |
1967 | aarch64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541e; | |
1968 | aarch64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541f; | |
1969 | aarch64_linux_record_tdep.ioctl_TIOCPKT = 0x5420; | |
1970 | aarch64_linux_record_tdep.ioctl_FIONBIO = 0x5421; | |
1971 | aarch64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422; | |
1972 | aarch64_linux_record_tdep.ioctl_TIOCSETD = 0x5423; | |
1973 | aarch64_linux_record_tdep.ioctl_TIOCGETD = 0x5424; | |
1974 | aarch64_linux_record_tdep.ioctl_TCSBRKP = 0x5425; | |
1975 | aarch64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426; | |
1976 | aarch64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427; | |
1977 | aarch64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428; | |
1978 | aarch64_linux_record_tdep.ioctl_TIOCGSID = 0x5429; | |
1979 | aarch64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a; | |
1980 | aarch64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b; | |
1981 | aarch64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c; | |
1982 | aarch64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d; | |
1983 | aarch64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430; | |
1984 | aarch64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431; | |
1985 | aarch64_linux_record_tdep.ioctl_FIONCLEX = 0x5450; | |
1986 | aarch64_linux_record_tdep.ioctl_FIOCLEX = 0x5451; | |
1987 | aarch64_linux_record_tdep.ioctl_FIOASYNC = 0x5452; | |
1988 | aarch64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453; | |
1989 | aarch64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454; | |
1990 | aarch64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455; | |
1991 | aarch64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456; | |
1992 | aarch64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457; | |
1993 | aarch64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458; | |
1994 | aarch64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459; | |
1995 | aarch64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545a; | |
1996 | aarch64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545b; | |
1997 | aarch64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545c; | |
1998 | aarch64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545d; | |
1999 | aarch64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545e; | |
2000 | aarch64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545f; | |
2001 | aarch64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460; | |
2002 | ||
2003 | /* These values are the second argument of system call "sys_fcntl" | |
2004 | and "sys_fcntl64". They are obtained from Linux Kernel source. */ | |
2005 | aarch64_linux_record_tdep.fcntl_F_GETLK = 5; | |
2006 | aarch64_linux_record_tdep.fcntl_F_GETLK64 = 12; | |
2007 | aarch64_linux_record_tdep.fcntl_F_SETLK64 = 13; | |
2008 | aarch64_linux_record_tdep.fcntl_F_SETLKW64 = 14; | |
2009 | ||
2010 | /* The AArch64 syscall calling convention: reg x0-x6 for arguments, | |
2011 | reg x8 for syscall number and return value in reg x0. */ | |
2012 | aarch64_linux_record_tdep.arg1 = AARCH64_X0_REGNUM + 0; | |
2013 | aarch64_linux_record_tdep.arg2 = AARCH64_X0_REGNUM + 1; | |
2014 | aarch64_linux_record_tdep.arg3 = AARCH64_X0_REGNUM + 2; | |
2015 | aarch64_linux_record_tdep.arg4 = AARCH64_X0_REGNUM + 3; | |
2016 | aarch64_linux_record_tdep.arg5 = AARCH64_X0_REGNUM + 4; | |
2017 | aarch64_linux_record_tdep.arg6 = AARCH64_X0_REGNUM + 5; | |
2018 | aarch64_linux_record_tdep.arg7 = AARCH64_X0_REGNUM + 6; | |
2019 | ||
f68f11b7 YQ |
2020 | /* `catch syscall' */ |
2021 | set_xml_syscall_file_name (gdbarch, "syscalls/aarch64-linux.xml"); | |
2022 | set_gdbarch_get_syscall_number (gdbarch, aarch64_linux_get_syscall_number); | |
b6542f81 YQ |
2023 | |
2024 | /* Displaced stepping. */ | |
e935475c | 2025 | set_gdbarch_max_insn_length (gdbarch, 4 * AARCH64_DISPLACED_MODIFIED_INSNS); |
b6542f81 YQ |
2026 | set_gdbarch_displaced_step_copy_insn (gdbarch, |
2027 | aarch64_displaced_step_copy_insn); | |
2028 | set_gdbarch_displaced_step_fixup (gdbarch, aarch64_displaced_step_fixup); | |
b6542f81 YQ |
2029 | set_gdbarch_displaced_step_hw_singlestep (gdbarch, |
2030 | aarch64_displaced_step_hw_singlestep); | |
7045b1ca YQ |
2031 | |
2032 | set_gdbarch_gcc_target_options (gdbarch, aarch64_linux_gcc_target_options); | |
1ae3db19 MS |
2033 | } |
2034 | ||
b4a7d4fc LM |
2035 | #if GDB_SELF_TEST |
2036 | ||
2037 | namespace selftests { | |
2038 | ||
2039 | /* Verify functions to read and write logical tags. */ | |
2040 | ||
2041 | static void | |
2042 | aarch64_linux_ltag_tests (void) | |
2043 | { | |
2044 | /* We have 4 bits of tags, but we test writing all the bits of the top | |
2045 | byte of address. */ | |
2046 | for (int i = 0; i < 1 << 8; i++) | |
2047 | { | |
2048 | CORE_ADDR addr = ((CORE_ADDR) i << 56) | 0xdeadbeef; | |
2049 | SELF_CHECK (aarch64_mte_get_ltag (addr) == (i & 0xf)); | |
2050 | ||
2051 | addr = aarch64_mte_set_ltag (0xdeadbeef, i); | |
2052 | SELF_CHECK (addr = ((CORE_ADDR) (i & 0xf) << 56) | 0xdeadbeef); | |
2053 | } | |
2054 | } | |
2055 | ||
2056 | } // namespace selftests | |
2057 | #endif /* GDB_SELF_TEST */ | |
2058 | ||
6c265988 | 2059 | void _initialize_aarch64_linux_tdep (); |
1ae3db19 | 2060 | void |
6c265988 | 2061 | _initialize_aarch64_linux_tdep () |
1ae3db19 MS |
2062 | { |
2063 | gdbarch_register_osabi (bfd_arch_aarch64, 0, GDB_OSABI_LINUX, | |
2064 | aarch64_linux_init_abi); | |
b4a7d4fc LM |
2065 | |
2066 | #if GDB_SELF_TEST | |
2067 | selftests::register_test ("aarch64-linux-tagged-address", | |
2068 | selftests::aarch64_linux_ltag_tests); | |
2069 | #endif | |
1ae3db19 | 2070 | } |