derek.holloway
7502bf64a4
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51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/* Common native Linux definitions for AArch64 MTE.
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Copyright (C) 2021-2024 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDB_NAT_AARCH64_MTE_LINUX_PTRACE_H
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#define GDB_NAT_AARCH64_MTE_LINUX_PTRACE_H
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/* MTE allocation tag access */
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#ifndef PTRACE_PEEKMTETAGS
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#define PTRACE_PEEKMTETAGS 33
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#endif
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#ifndef PTRACE_POKEMTETAGS
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#define PTRACE_POKEMTETAGS 34
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#endif
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/* Maximum number of tags to pass at once to the kernel. */
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#define AARCH64_MTE_TAGS_MAX_SIZE 4096
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/* Read the allocation tags from memory range [ADDRESS, ADDRESS + LEN)
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into TAGS.
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Returns true if successful and false otherwise. */
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extern bool aarch64_mte_fetch_memtags (int tid, CORE_ADDR address, size_t len,
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gdb::byte_vector &tags);
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/* Write the allocation tags contained in TAGS into the memory range
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[ADDRESS, ADDRESS + LEN).
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Returns true if successful and false otherwise. */
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extern bool aarch64_mte_store_memtags (int tid, CORE_ADDR address, size_t len,
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const gdb::byte_vector &tags);
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#endif /* GDB_NAT_AARCH64_MTE_LINUX_PTRACE_H */
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