mirror of
https://github.com/torvalds/linux.git
synced 2024-11-02 10:11:36 +00:00
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
#ifndef _ASM_ARM_FTRACE
|
|
#define _ASM_ARM_FTRACE
|
|
|
|
#ifdef CONFIG_FUNCTION_TRACER
|
|
#define MCOUNT_ADDR ((long)(mcount))
|
|
#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
|
|
|
|
#ifndef __ASSEMBLY__
|
|
extern void mcount(void);
|
|
extern void __gnu_mcount_nc(void);
|
|
#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 */
|