mirror of
https://github.com/torvalds/linux
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8fd6e5a8c8
Impact: update to PowerPC ftrace arch API This patch converts PowerPC to use the new dynamic ftrace arch API. Thanks to Paul Mackennas for pointing out the mistakes of my original test_24bit_addr function. Signed-off-by: Steven Rostedt <srostedt@redhat.com>
27 lines
570 B
C
27 lines
570 B
C
#ifndef _ASM_POWERPC_FTRACE
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#define _ASM_POWERPC_FTRACE
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#ifdef CONFIG_FUNCTION_TRACER
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#define MCOUNT_ADDR ((long)(_mcount))
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#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
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#ifndef __ASSEMBLY__
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extern void _mcount(void);
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#ifdef CONFIG_DYNAMIC_FTRACE
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static inline unsigned long ftrace_call_adjust(unsigned long addr)
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{
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/* reloction of mcount call site is the same as the address */
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return addr;
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}
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struct dyn_arch_ftrace {
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/* nothing yet */
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};
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#endif /* CONFIG_DYNAMIC_FTRACE */
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#endif /* __ASSEMBLY__ */
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#endif
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#endif /* _ASM_POWERPC_FTRACE */
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