[thirdparty/binutils-gdb.git] / gdb / nat / aarch64-mte-linux-ptrace.h

/* Common native Linux definitions for AArch64 MTE.

   Copyright (C) 2021-2022 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 */
Commit	Line	Data
3f3bd8b8 LM	1	/* Common native Linux definitions for AArch64 MTE.
3f3bd8b8 LM	2
4a94e368	3	Copyright (C) 2021-2022 Free Software Foundation, Inc.
3f3bd8b8 LM	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 */