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#ifndef _ASM_ARM_FTRACE #define _ASM_ARM_FTRACE #ifdef CONFIG_FUNCTION_TRACER #define MCOUNT_ADDR ((unsigned long)(__gnu_mcount_nc)) #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ #ifndef __ASSEMBLY__ extern void mcount(void); extern void __gnu_mcount_nc(void); #ifdef CONFIG_DYNAMIC_FTRACE struct dyn_arch_ftrace { #ifdef CONFIG_OLD_MCOUNT bool old_mcount; #endif }; static inline unsigned long ftrace_call_adjust(unsigned long addr) { /* With Thumb-2, the recorded addresses have the lsb set */ return addr & ~1; } extern void ftrace_caller_old(void); extern void ftrace_call_old(void); #endif #endif #endif #ifndef __ASSEMBLY__ #if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) /* * return_address uses walk_stackframe to do it's work. If both * CONFIG_FRAME_POINTER=y and CONFIG_ARM_UNWIND=y walk_stackframe uses unwind * information. For this to work in the function tracer many functions would * have to be marked with __notrace. So for now just depend on * !CONFIG_ARM_UNWIND. */ void *return_address(unsigned int); #else extern inline void *return_address(unsigned int level) { return NULL; } #endif #define HAVE_ARCH_CALLER_ADDR #define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) #define CALLER_ADDR1 ((unsigned long)return_address(1)) #define CALLER_ADDR2 ((unsigned long)return_address(2)) #define CALLER_ADDR3 ((unsigned long)return_address(3)) #define CALLER_ADDR4 ((unsigned long)return_address(4)) #define CALLER_ADDR5 ((unsigned long)return_address(5)) #define CALLER_ADDR6 ((unsigned long)return_address(6)) #endif /* ifndef __ASSEMBLY__ */ #endif /* _ASM_ARM_FTRACE */ |