linux-stable/arch/s390/include/asm/ftrace.h
Heiko Carstens 88dbd20372 [S390] ftrace: add function graph tracer support
Function graph tracer support for s390.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-06-12 10:27:39 +02:00

29 lines
573 B
C

#ifndef _ASM_S390_FTRACE_H
#define _ASM_S390_FTRACE_H
#ifndef __ASSEMBLY__
extern void _mcount(void);
extern unsigned long ftrace_dyn_func;
struct dyn_arch_ftrace { };
#define MCOUNT_ADDR ((long)_mcount)
#ifdef CONFIG_64BIT
#define MCOUNT_OFFSET_RET 18
#define MCOUNT_INSN_SIZE 24
#define MCOUNT_OFFSET 14
#else
#define MCOUNT_OFFSET_RET 26
#define MCOUNT_INSN_SIZE 30
#define MCOUNT_OFFSET 8
#endif
static inline unsigned long ftrace_call_adjust(unsigned long addr)
{
return addr - MCOUNT_OFFSET;
}
#endif /* __ASSEMBLY__ */
#endif /* _ASM_S390_FTRACE_H */