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1 | /* Common native Linux definitions for AArch64 MTE. |
2 | ||
3 | Copyright (C) 2021 Free Software Foundation, Inc. | |
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 | ||
20 | #ifndef NAT_AARCH64_MTE_LINUX_PTRACE_H | |
21 | #define NAT_AARCH64_MTE_LINUX_PTRACE_H | |
22 | ||
23 | /* MTE allocation tag access */ | |
24 | ||
25 | #ifndef PTRACE_PEEKMTETAGS | |
26 | #define PTRACE_PEEKMTETAGS 33 | |
27 | #endif | |
28 | ||
29 | #ifndef PTRACE_POKEMTETAGS | |
30 | #define PTRACE_POKEMTETAGS 34 | |
31 | #endif | |
32 | ||
4601818e LM |
33 | /* Maximum number of tags to pass at once to the kernel. */ |
34 | #define AARCH64_MTE_TAGS_MAX_SIZE 4096 | |
35 | ||
36 | /* Read the allocation tags from memory range [ADDRESS, ADDRESS + LEN) | |
37 | into TAGS. | |
38 | ||
39 | Returns true if successful and false otherwise. */ | |
40 | extern bool aarch64_mte_fetch_memtags (int tid, CORE_ADDR address, size_t len, | |
41 | gdb::byte_vector &tags); | |
42 | ||
43 | /* Write the allocation tags contained in TAGS into the memory range | |
44 | [ADDRESS, ADDRESS + LEN). | |
45 | ||
46 | Returns true if successful and false otherwise. */ | |
47 | extern bool aarch64_mte_store_memtags (int tid, CORE_ADDR address, size_t len, | |
48 | const gdb::byte_vector &tags); | |
49 | ||
3f3bd8b8 | 50 | #endif /* NAT_AARCH64_MTE_LINUX_PTRACE_H */ |