forked from Minki/linux
88dbd20372
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>
30 lines
573 B
C
30 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 */
|