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#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;
}
#ifdef CONFIG_DYNAMIC_FTRACE
extern void ftrace_nmi_enter(void);
extern void ftrace_nmi_exit(void);
#else
#define ftrace_nmi_enter() do { } while (0)
#define ftrace_nmi_exit() do { } while (0)
#endif
#endif
#else /* CONFIG_FUNCTION_TRACER */
#ifndef __ASSEMBLY__
#define ftrace_nmi_enter() do { } while (0)
#define ftrace_nmi_exit() do { } while (0)
#endif
#endif /* CONFIG_FUNCTION_TRACER */
#endif /* _ASM_X86_FTRACE_H */
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