1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ASM_SH_FTRACE_H
3#define __ASM_SH_FTRACE_H
4
5#ifdef CONFIG_FUNCTION_TRACER
6
7#define MCOUNT_INSN_SIZE	4 /* sizeof mcount call */
8#define FTRACE_SYSCALL_MAX	NR_syscalls
9
10#ifndef __ASSEMBLY__
11extern void mcount(void);
12
13#define MCOUNT_ADDR		((unsigned long)(mcount))
14
15#ifdef CONFIG_DYNAMIC_FTRACE
16#define CALL_ADDR		((long)(ftrace_call))
17#define STUB_ADDR		((long)(ftrace_stub))
18#define GRAPH_ADDR		((long)(ftrace_graph_call))
19#define CALLER_ADDR		((long)(ftrace_caller))
20
21#define MCOUNT_INSN_OFFSET	((STUB_ADDR - CALL_ADDR) - 4)
22#define GRAPH_INSN_OFFSET	((CALLER_ADDR - GRAPH_ADDR) - 4)
23
24struct dyn_arch_ftrace {
25	/* No extra data needed on sh */
26};
27
28#endif /* CONFIG_DYNAMIC_FTRACE */
29
30static inline unsigned long ftrace_call_adjust(unsigned long addr)
31{
32	/* 'addr' is the memory table address. */
33	return addr;
34}
35
36#endif /* __ASSEMBLY__ */
37#endif /* CONFIG_FUNCTION_TRACER */
38
39#ifndef __ASSEMBLY__
40
41/* arch/sh/kernel/return_address.c */
42extern void *return_address(unsigned int);
43
44#define ftrace_return_address(n) return_address(n)
45
46#endif /* __ASSEMBLY__ */
47
48#endif /* __ASM_SH_FTRACE_H */
49