| 123456789101112131415161718192021222324 |
- #ifndef _ASM_X86_FTRACE_H
- #define _ASM_X86_FTRACE_H
- #ifdef CONFIG_FUNCTION_TRACER
- #define MCOUNT_ADDR ((long)(mcount))
- #define MCOUNT_INSN_SIZE 5 /* sizeof mcount call */
- #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_FUNCTION_TRACER */
- #endif /* _ASM_X86_FTRACE_H */
|
