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/* Common native Linux definitions for AArch64 MTE.
Copyright (C) 2021-2023 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef NAT_AARCH64_MTE_LINUX_PTRACE_H
#define NAT_AARCH64_MTE_LINUX_PTRACE_H
/* MTE allocation tag access */
#ifndef PTRACE_PEEKMTETAGS
#define PTRACE_PEEKMTETAGS 33
#endif
#ifndef PTRACE_POKEMTETAGS
#define PTRACE_POKEMTETAGS 34
#endif
/* Maximum number of tags to pass at once to the kernel. */
#define AARCH64_MTE_TAGS_MAX_SIZE 4096
/* Read the allocation tags from memory range [ADDRESS, ADDRESS + LEN)
into TAGS.
Returns true if successful and false otherwise. */
extern bool aarch64_mte_fetch_memtags (int tid, CORE_ADDR address, size_t len,
gdb::byte_vector &tags);
/* Write the allocation tags contained in TAGS into the memory range
[ADDRESS, ADDRESS + LEN).
Returns true if successful and false otherwise. */
extern bool aarch64_mte_store_memtags (int tid, CORE_ADDR address, size_t len,
const gdb::byte_vector &tags);
#endif /* NAT_AARCH64_MTE_LINUX_PTRACE_H */
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