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453b7740eb
kprobes and uprobes reserve some BRK immediates for installing their probes. Define these along with the other reservations in brk-imm.h and rename the ESR definitions to be consistent with the others that we already have. Reviewed-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
33 lines
959 B
C
33 lines
959 B
C
/*
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* Copyright (C) 2012 ARM Ltd.
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*
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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 version 2 as
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* published by the Free Software Foundation.
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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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* 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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*/
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#define KPROBES_BRK_IMM 0x004
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#define UPROBES_BRK_IMM 0x005
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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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#endif
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