diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/ftrace.h | 10 | ||||
| -rw-r--r-- | include/linux/ftrace.h | 6 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-x86/ftrace.h b/include/asm-x86/ftrace.h index be0e004ad14..1bb6f9bbe1a 100644 --- a/include/asm-x86/ftrace.h +++ b/include/asm-x86/ftrace.h @@ -7,6 +7,16 @@ #ifndef __ASSEMBLY__ extern void mcount(void); + +static inline unsigned long ftrace_call_adjust(unsigned long addr) +{ + /* + * call mcount is "e8 <4 byte offset>" + * The addr points to the 4 byte offset and the caller of this + * function wants the pointer to e8. Simply subtract one. + */ + return addr - 1; +} #endif #endif /* CONFIG_FTRACE */ diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index bb384068272..d4d6ab453b7 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -162,4 +162,10 @@ static inline void ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { } #endif +#ifdef CONFIG_FTRACE_MCOUNT_RECORD +extern void ftrace_init(void); +#else +static inline void ftrace_init(void) { } +#endif + #endif /* _LINUX_FTRACE_H */ |