#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 */