Merge branch 'for-rmk/samsung6' of git://git.fluff.org/bjdooks/linux into devel-stable
[linux-2.6.git] / arch / sh / include / asm / ftrace.h
1 #ifndef __ASM_SH_FTRACE_H
2 #define __ASM_SH_FTRACE_H
3
4 #ifdef CONFIG_FUNCTION_TRACER
5
6 #define MCOUNT_INSN_SIZE        4 /* sizeof mcount call */
7 #define FTRACE_SYSCALL_MAX      NR_syscalls
8
9 #ifndef __ASSEMBLY__
10 extern void mcount(void);
11
12 #define MCOUNT_ADDR             ((long)(mcount))
13
14 #ifdef CONFIG_DYNAMIC_FTRACE
15 #define CALL_ADDR               ((long)(ftrace_call))
16 #define STUB_ADDR               ((long)(ftrace_stub))
17 #define GRAPH_ADDR              ((long)(ftrace_graph_call))
18 #define CALLER_ADDR             ((long)(ftrace_caller))
19
20 #define MCOUNT_INSN_OFFSET      ((STUB_ADDR - CALL_ADDR) - 4)
21 #define GRAPH_INSN_OFFSET       ((CALLER_ADDR - GRAPH_ADDR) - 4)
22
23 struct dyn_arch_ftrace {
24         /* No extra data needed on sh */
25 };
26
27 #endif /* CONFIG_DYNAMIC_FTRACE */
28
29 static inline unsigned long ftrace_call_adjust(unsigned long addr)
30 {
31         /* 'addr' is the memory table address. */
32         return addr;
33 }
34
35 #endif /* __ASSEMBLY__ */
36 #endif /* CONFIG_FUNCTION_TRACER */
37
38 #ifndef __ASSEMBLY__
39
40 /* arch/sh/kernel/return_address.c */
41 extern void *return_address(unsigned int);
42
43 #define HAVE_ARCH_CALLER_ADDR
44
45 #define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
46 #define CALLER_ADDR1 ((unsigned long)return_address(1))
47 #define CALLER_ADDR2 ((unsigned long)return_address(2))
48 #define CALLER_ADDR3 ((unsigned long)return_address(3))
49 #define CALLER_ADDR4 ((unsigned long)return_address(4))
50 #define CALLER_ADDR5 ((unsigned long)return_address(5))
51 #define CALLER_ADDR6 ((unsigned long)return_address(6))
52
53 #endif /* __ASSEMBLY__ */
54
55 #endif /* __ASM_SH_FTRACE_H */