diff options
author | Ingo Molnar <mingo@kernel.org> | 2015-02-26 14:24:50 +0300 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2015-02-26 14:24:50 +0300 |
commit | e9e4e44309f866b115d08ab4a54834008c50a8a4 (patch) | |
tree | ae9f91e682a4d6592ef263f30a4a0b1a862b7987 /arch/arm/include/asm/probes.h | |
parent | 8a26ce4e544659256349551283414df504889a59 (diff) | |
parent | c517d838eb7d07bbe9507871fab3931deccff539 (diff) | |
download | linux-e9e4e44309f866b115d08ab4a54834008c50a8a4.tar.xz |
Merge tag 'v4.0-rc1' into perf/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/include/asm/probes.h')
-rw-r--r-- | arch/arm/include/asm/probes.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/probes.h b/arch/arm/include/asm/probes.h index 806cfe622a9e..1e5b9bb92270 100644 --- a/arch/arm/include/asm/probes.h +++ b/arch/arm/include/asm/probes.h @@ -19,6 +19,8 @@ #ifndef _ASM_PROBES_H #define _ASM_PROBES_H +#ifndef __ASSEMBLY__ + typedef u32 probes_opcode_t; struct arch_probes_insn; @@ -38,6 +40,19 @@ struct arch_probes_insn { probes_check_cc *insn_check_cc; probes_insn_singlestep_t *insn_singlestep; probes_insn_fn_t *insn_fn; + int stack_space; + unsigned long register_usage_flags; + bool kprobe_direct_exec; }; +#endif /* __ASSEMBLY__ */ + +/* + * We assume one instruction can consume at most 64 bytes stack, which is + * 'push {r0-r15}'. Instructions consume more or unknown stack space like + * 'str r0, [sp, #-80]' and 'str r0, [sp, r1]' should be prohibit to probe. + * Both kprobe and jprobe use this macro. + */ +#define MAX_STACK_SIZE 64 + #endif |