diff options
| author | Will Deacon <will.deacon@arm.com> | 2019-02-26 18:06:42 +0300 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2019-04-09 13:21:13 +0300 |
| commit | 453b7740ebfda2d84be7fb583c54f0c91c592869 (patch) | |
| tree | 1108d1c08094213cc18a7f8e4daae990f0aa99a3 /arch/arm64/include/asm/brk-imm.h | |
| parent | fb610f2a2006322bebeb30408fefce6a01df09ea (diff) | |
| download | linux-453b7740ebfda2d84be7fb583c54f0c91c592869.tar.xz | |
arm64: probes: Move magic BRK values into brk-imm.h
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>
Diffstat (limited to 'arch/arm64/include/asm/brk-imm.h')
| -rw-r--r-- | arch/arm64/include/asm/brk-imm.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/brk-imm.h b/arch/arm64/include/asm/brk-imm.h index fec9e1384641..d84294064e6a 100644 --- a/arch/arm64/include/asm/brk-imm.h +++ b/arch/arm64/include/asm/brk-imm.h @@ -11,6 +11,8 @@ /* * #imm16 values used for BRK instruction generation + * 0x004: for installing kprobes + * 0x005: for installing uprobes * Allowed values for kgdb are 0x400 - 0x7ff * 0x100: for triggering a fault on purpose (reserved) * 0x400: for dynamic BRK instruction @@ -18,6 +20,8 @@ * 0x800: kernel-mode BUG() and WARN() traps * 0x9xx: tag-based KASAN trap (allowed values 0x900 - 0x9ff) */ +#define KPROBES_BRK_IMM 0x004 +#define UPROBES_BRK_IMM 0x005 #define FAULT_BRK_IMM 0x100 #define KGDB_DYN_DBG_BRK_IMM 0x400 #define KGDB_COMPILED_DBG_BRK_IMM 0x401 |