2 files changed, 13 insertions, 42 deletions
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
index fc51e66..d985148 100644
--- a/arch/sh/include/asm/dwarf.h
+++ b/arch/sh/include/asm/dwarf.h
@@ -194,6 +194,11 @@
 #define DWARF_ARCH_RA_REG	17
 
 #ifndef __ASSEMBLY__
+
+#include <linux/compiler.h>
+#include <linux/bug.h>
+#include <linux/list.h>
+
 /*
  * Read either the frame pointer (r14) or the stack pointer (r15).
  * NOTE: this MUST be inlined.
diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h
index 5ea9030..28875a3 100644
--- a/arch/sh/include/asm/ftrace.h
+++ b/arch/sh/include/asm/ftrace.h
@@ -32,52 +32,18 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
 	return addr;
 }
 
-
-#ifdef CONFIG_DWARF_UNWINDER
-#include <asm/dwarf.h>
+/* arch/sh/kernel/return_address.c */
+extern void *return_address(unsigned int);
 
 #define HAVE_ARCH_CALLER_ADDR
 
-static inline unsigned long dwarf_return_address(int depth)
-{
-	struct dwarf_frame *frame;
-	unsigned long ra;
-	int i;
-
-	for (i = 0, frame = NULL, ra = 0; i <= depth; i++) {
-		struct dwarf_frame *tmp;
-
-		tmp = dwarf_unwind_stack(ra, frame);
-
-		if (frame)
-			dwarf_free_frame(frame);
-
-		frame = tmp;
-
-		if (!frame || !frame->return_addr)
-			break;
-
-		ra = frame->return_addr;
-	}
-
-	/* Failed to unwind the stack to the specified depth. */
-	WARN_ON(i != depth + 1);
-
-	if (frame)
-		dwarf_free_frame(frame);
-
-	return ra;
-}
-
 #define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
-#define CALLER_ADDR1 dwarf_return_address(1)
-#define CALLER_ADDR2 dwarf_return_address(2)
-#define CALLER_ADDR3 dwarf_return_address(3)
-#define CALLER_ADDR4 dwarf_return_address(4)
-#define CALLER_ADDR5 dwarf_return_address(5)
-#define CALLER_ADDR6 dwarf_return_address(6)
-
-#endif /* CONFIG_DWARF_UNWINDER */
+#define CALLER_ADDR1 ((unsigned long)return_address(1))
+#define CALLER_ADDR2 ((unsigned long)return_address(2))
+#define CALLER_ADDR3 ((unsigned long)return_address(3))
+#define CALLER_ADDR4 ((unsigned long)return_address(4))
+#define CALLER_ADDR5 ((unsigned long)return_address(5))
+#define CALLER_ADDR6 ((unsigned long)return_address(6))
 
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_FUNCTION_TRACER */