Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2012 ARM Ltd.
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*/
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#ifndef __ASM_BRK_IMM_H
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#define __ASM_BRK_IMM_H
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/*
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* #imm16 values used for BRK instruction generation
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* 0x004: for installing kprobes
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* 0x005: for installing uprobes
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* 0x006: for kprobe software single-step
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* 0x007: for kretprobe return
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* Allowed values for kgdb are 0x400 - 0x7ff
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* 0x100: for triggering a fault on purpose (reserved)
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* 0x400: for dynamic BRK instruction
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* 0x401: for compile time BRK instruction
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* 0x800: kernel-mode BUG() and WARN() traps
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* 0x9xx: tag-based KASAN trap (allowed values 0x900 - 0x9ff)
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* 0x55xx: Undefined Behavior Sanitizer traps ('U' << 8)
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* 0x8xxx: Control-Flow Integrity traps
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*/
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#define KPROBES_BRK_IMM 0x004
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#define UPROBES_BRK_IMM 0x005
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#define KPROBES_BRK_SS_IMM 0x006
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#define KRETPROBES_BRK_IMM 0x007
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#define FAULT_BRK_IMM 0x100
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#define KGDB_DYN_DBG_BRK_IMM 0x400
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#define KGDB_COMPILED_DBG_BRK_IMM 0x401
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#define BUG_BRK_IMM 0x800
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#define KASAN_BRK_IMM 0x900
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#define KASAN_BRK_MASK 0x0ff
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#define UBSAN_BRK_IMM 0x5500
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#define UBSAN_BRK_MASK 0x00ff
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#define CFI_BRK_IMM_TARGET GENMASK(4, 0)
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#define CFI_BRK_IMM_TYPE GENMASK(9, 5)
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#define CFI_BRK_IMM_BASE 0x8000
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#define CFI_BRK_IMM_MASK (CFI_BRK_IMM_TARGET | CFI_BRK_IMM_TYPE)
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#endif
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