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authorJan Blunck <jblunck@suse.de>2007-10-19 20:35:04 +0200
committerThomas Gleixner <tglx@linutronix.de>2007-10-19 20:35:04 +0200
commitf1df280f53d7c3ce8613a3b25d1efe009b9860dd (patch)
tree7b9d6d837355bd913fb5b41017556f1137adee18 /include/asm-x86
parentab483570a13be2a34c0502b166df8f8b26802103 (diff)
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/asm-x86')
-rw-r--r--include/asm-x86/ptrace_32.h2
-rw-r--r--include/asm-x86/ptrace_64.h2
2 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-x86/ptrace_32.h b/include/asm-x86/ptrace_32.h
index 6002597b9e1..78d063dabe0 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 7f166ccb060..7bfe61e1b70 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);