dfd9f7abc0
Dynamic ftrace support for s390. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
28 lines
511 B
C
28 lines
511 B
C
#ifndef _ASM_S390_FTRACE_H
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#define _ASM_S390_FTRACE_H
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#ifndef __ASSEMBLY__
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extern void _mcount(void);
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extern unsigned long ftrace_dyn_func;
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struct dyn_arch_ftrace { };
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#define MCOUNT_ADDR ((long)_mcount)
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#ifdef CONFIG_64BIT
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#define MCOUNT_INSN_SIZE 24
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#define MCOUNT_OFFSET 14
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#else
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#define MCOUNT_INSN_SIZE 30
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#define MCOUNT_OFFSET 8
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#endif
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static inline unsigned long ftrace_call_adjust(unsigned long addr)
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{
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return addr - MCOUNT_OFFSET;
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}
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_S390_FTRACE_H */
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