projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 122394f1 AH |
1 | /* Common target dependent for AArch64 systems. |
| 2 | ||
| 213516ef | 3 | Copyright (C) 2018-2023 Free Software Foundation, Inc. |
| 122394f1 AH |
4 | |
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 3 of the License, or | |
| 10 | (at your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 19 | ||
| 1a5c2598 TT |
20 | #ifndef NAT_AARCH64_SVE_LINUX_PTRACE_H |
| 21 | #define NAT_AARCH64_SVE_LINUX_PTRACE_H | |
| 122394f1 | 22 | |
| 51b4f73a | 23 | #include <signal.h> |
| 122394f1 | 24 | #include <sys/utsname.h> |
| 0f977b77 KB |
25 | |
| 26 | /* The order in which <sys/ptrace.h> and <asm/ptrace.h> are included | |
| 27 | can be important. <sys/ptrace.h> often declares various PTRACE_* | |
| 28 | enums. <asm/ptrace.h> often defines preprocessor constants for | |
| 29 | these very same symbols. When that's the case, build errors will | |
| 30 | result when <asm/ptrace.h> is included before <sys/ptrace.h>. */ | |
| 122394f1 AH |
31 | #include <sys/ptrace.h> |
| 32 | #include <asm/ptrace.h> | |
| 33 | ||
| 17a1cc89 AH |
34 | #ifndef SVE_SIG_ZREGS_SIZE |
| 35 | #include "aarch64-sve-linux-sigcontext.h" | |
| 36 | #endif | |
| 37 | ||
| e9902bfc AH |
38 | /* Indicates whether a SVE ptrace header is followed by SVE registers or a |
| 39 | fpsimd structure. */ | |
| 40 | ||
| bfd60e34 | 41 | #define HAS_SVE_STATE(header) ((header).flags & SVE_PT_REGS_SVE) |
| e9902bfc | 42 | |
| 122394f1 AH |
43 | /* Read VQ for the given tid using ptrace. If SVE is not supported then zero |
| 44 | is returned (on a system that supports SVE, then VQ cannot be zero). */ | |
| 45 | ||
| 39bfb937 | 46 | uint64_t aarch64_sve_get_vq (int tid); |
| 122394f1 | 47 | |
| 48574d91 AH |
48 | /* Set VQ in the kernel for the given tid, using either the value VQ or |
| 49 | reading from the register VG in the register buffer. */ | |
| 50 | ||
| 51 | bool aarch64_sve_set_vq (int tid, uint64_t vq); | |
| 52 | bool aarch64_sve_set_vq (int tid, struct reg_buffer_common *reg_buf); | |
| 53 | ||
| e9902bfc AH |
54 | /* Read the current SVE register set using ptrace, allocating space as |
| 55 | required. */ | |
| 56 | ||
| 57 | extern std::unique_ptr<gdb_byte[]> aarch64_sve_get_sveregs (int tid); | |
| 58 | ||
| 48574d91 AH |
59 | /* Put the registers from linux structure buf into register buffer. Assumes the |
| 60 | vector lengths in the register buffer match the size in the kernel. */ | |
| e9902bfc AH |
61 | |
| 62 | extern void aarch64_sve_regs_copy_to_reg_buf (struct reg_buffer_common *reg_buf, | |
| 63 | const void *buf); | |
| 64 | ||
| 48574d91 AH |
65 | /* Put the registers from register buffer into linux structure buf. Assumes the |
| 66 | vector lengths in the register buffer match the size in the kernel. */ | |
| e9902bfc AH |
67 | |
| 68 | extern void | |
| 69 | aarch64_sve_regs_copy_from_reg_buf (const struct reg_buffer_common *reg_buf, | |
| 70 | void *buf); | |
| 71 | ||
| 1a5c2598 | 72 | #endif /* NAT_AARCH64_SVE_LINUX_PTRACE_H */ |