forked from luck/tmp_suning_uos_patched
bb8985586b
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
25 lines
541 B
C
25 lines
541 B
C
#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 */
|