diff options
Diffstat (limited to 'include/asm-x86/ftrace.h')
| -rw-r--r-- | include/asm-x86/ftrace.h | 10 |
1 files changed, 10 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 */ |