Merge commit 'origin/master' into next

[deliverable/linux.git] / arch / x86 / include / asm / ftrace.h

diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index 7e61b4ceb9a4c144f85a1eae55228e355ae390ae..db24c2278be04c7400f6f5057904d49642fa75e9 100644 (file)
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -1,6 +1,33 @@
 #ifndef _ASM_X86_FTRACE_H
 #define _ASM_X86_FTRACE_H
 
+#ifdef __ASSEMBLY__
+
+       .macro MCOUNT_SAVE_FRAME
+       /* taken from glibc */
+       subq $0x38, %rsp
+       movq %rax, (%rsp)
+       movq %rcx, 8(%rsp)
+       movq %rdx, 16(%rsp)
+       movq %rsi, 24(%rsp)
+       movq %rdi, 32(%rsp)
+       movq %r8, 40(%rsp)
+       movq %r9, 48(%rsp)
+       .endm
+
+       .macro MCOUNT_RESTORE_FRAME
+       movq 48(%rsp), %r9
+       movq 40(%rsp), %r8
+       movq 32(%rsp), %rdi
+       movq 24(%rsp), %rsi
+       movq 16(%rsp), %rdx
+       movq 8(%rsp), %rcx
+       movq (%rsp), %rax
+       addq $0x38, %rsp
+       .endm
+
+#endif
+
 #ifdef CONFIG_FUNCTION_TRACER
 #define MCOUNT_ADDR            ((long)(mcount))
 #define MCOUNT_INSN_SIZE       5 /* sizeof mcount call */
@@ -28,29 +55,4 @@ struct dyn_arch_ftrace {
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_FUNCTION_TRACER */
 
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-
-#ifndef __ASSEMBLY__
-
-/*
- * Stack of return addresses for functions
- * of a thread.
- * Used in struct thread_info
- */
-struct ftrace_ret_stack {
-       unsigned long ret;
-       unsigned long func;
-       unsigned long long calltime;
-};
-
-/*
- * Primary handler of a function return.
- * It relays on ftrace_return_to_handler.
- * Defined in entry32.S
- */
-extern void return_to_handler(void);
-
-#endif /* __ASSEMBLY__ */
-#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
-
 #endif /* _ASM_X86_FTRACE_H */