tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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__
10extern void mcount(void);
11
12#define MCOUNT_ADDR ((unsigned 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
23struct dyn_arch_ftrace {
24 /* No extra data needed on sh */
25};
26
27#endif /* CONFIG_DYNAMIC_FTRACE */
28
29static 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 */
41extern void *return_address(unsigned int);
42
43#define ftrace_return_address(n) return_address(n)
44
45#endif /* __ASSEMBLY__ */
46
47#endif /* __ASM_SH_FTRACE_H */