diff options
| author | Jan Blunck <jblunck@suse.de> | 2007-10-19 20:35:04 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-19 20:35:04 +0200 |
| commit | f1df280f53d7c3ce8613a3b25d1efe009b9860dd (patch) | |
| tree | 7b9d6d837355bd913fb5b41017556f1137adee18 /include | |
| parent | x86 & generic: change to __builtin_prefetch() (diff) | |
| download | linux-f1df280f53d7c3ce8613a3b25d1efe009b9860dd.tar.xz linux-f1df280f53d7c3ce8613a3b25d1efe009b9860dd.zip | |
x86: introduce frame_pointer() and stack_pointer()
This patch defines frame_pointer() and stack_pointer() similar to the
already defined instruction_pointer(). Thus the oprofile code can be
written in a more readable fashion.
[ tglx: arch/x86 adaptation ]
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/ptrace_32.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/ptrace_64.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-x86/ptrace_32.h b/include/asm-x86/ptrace_32.h index 6002597b9e12..78d063dabe0a 100644 --- a/include/asm-x86/ptrace_32.h +++ b/include/asm-x86/ptrace_32.h @@ -55,6 +55,8 @@ static inline int v8086_mode(struct pt_regs *regs) } #define instruction_pointer(regs) ((regs)->eip) +#define frame_pointer(regs) ((regs)->ebp) +#define stack_pointer(regs) ((regs)->esp) #define regs_return_value(regs) ((regs)->eax) extern unsigned long profile_pc(struct pt_regs *regs); diff --git a/include/asm-x86/ptrace_64.h b/include/asm-x86/ptrace_64.h index 7f166ccb0606..7bfe61e1b705 100644 --- a/include/asm-x86/ptrace_64.h +++ b/include/asm-x86/ptrace_64.h @@ -40,6 +40,8 @@ struct pt_regs { #define user_mode(regs) (!!((regs)->cs & 3)) #define user_mode_vm(regs) user_mode(regs) #define instruction_pointer(regs) ((regs)->rip) +#define frame_pointer(regs) ((regs)->rbp) +#define stack_pointer(regs) ((regs)->rsp) #define regs_return_value(regs) ((regs)->rax) extern unsigned long profile_pc(struct pt_regs *regs); |