xref: /linux/arch/sh/include/asm/ftrace.h (revision 6000fc4d6f3e55ad52cce8d76317187fe01af2aa)
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 
8 #ifndef __ASSEMBLY__
9 extern void mcount(void);
10 
11 #define MCOUNT_ADDR		((long)(mcount))
12 
13 #ifdef CONFIG_DYNAMIC_FTRACE
14 #define CALL_ADDR		((long)(ftrace_call))
15 #define STUB_ADDR		((long)(ftrace_stub))
16 #define GRAPH_ADDR		((long)(ftrace_graph_call))
17 #define CALLER_ADDR		((long)(ftrace_caller))
18 
19 #define MCOUNT_INSN_OFFSET	((STUB_ADDR - CALL_ADDR) - 4)
20 #define GRAPH_INSN_OFFSET	((CALLER_ADDR - GRAPH_ADDR) - 4)
21 
22 struct dyn_arch_ftrace {
23 	/* No extra data needed on sh */
24 };
25 
26 #endif /* CONFIG_DYNAMIC_FTRACE */
27 
28 static inline unsigned long ftrace_call_adjust(unsigned long addr)
29 {
30 	/* 'addr' is the memory table address. */
31 	return addr;
32 }
33 
34 #endif /* __ASSEMBLY__ */
35 #endif /* CONFIG_FUNCTION_TRACER */
36 
37 #endif /* __ASM_SH_FTRACE_H */
38