xref: /linux/arch/sh/include/asm/ftrace.h (revision f13327864f94c3a0e6acca923df537d20059639f)
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 - 1)
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 #endif /* __ASM_SH_FTRACE_H */
39