blob: 1bb6f9bbe1ab99319d4df113086e46ec17e9c7e7 [file] [log] [blame]
#ifndef ASM_X86__FTRACE_H
#define ASM_X86__FTRACE_H
#ifdef CONFIG_FTRACE
#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_FTRACE */
#endif /* ASM_X86__FTRACE_H */