Release 4.14 arch/sh/include/asm/ftrace.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_FTRACE_H

#define __ASM_SH_FTRACE_H

#ifdef CONFIG_FUNCTION_TRACER


#define MCOUNT_INSN_SIZE	4 
/* sizeof mcount call */

#define FTRACE_SYSCALL_MAX	NR_syscalls

#ifndef __ASSEMBLY__
extern void mcount(void);


#define MCOUNT_ADDR		((unsigned long)(mcount))

#ifdef CONFIG_DYNAMIC_FTRACE

#define CALL_ADDR		((long)(ftrace_call))

#define STUB_ADDR		((long)(ftrace_stub))

#define GRAPH_ADDR		((long)(ftrace_graph_call))

#define CALLER_ADDR		((long)(ftrace_caller))


#define MCOUNT_INSN_OFFSET	((STUB_ADDR - CALL_ADDR) - 4)

#define GRAPH_INSN_OFFSET	((CALLER_ADDR - GRAPH_ADDR) - 4)


struct dyn_arch_ftrace {
	/* No extra data needed on sh */
};

#endif /* CONFIG_DYNAMIC_FTRACE */



static inline unsigned long ftrace_call_adjust(unsigned long addr)
{
	/* 'addr' is the memory table address. */
	return addr;
}

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#endif /* __ASSEMBLY__ */
#endif /* CONFIG_FUNCTION_TRACER */

#ifndef __ASSEMBLY__

/* arch/sh/kernel/return_address.c */
extern void *return_address(unsigned int);


#define ftrace_return_address(n) return_address(n)

#endif /* __ASSEMBLY__ */

#endif /* __ASM_SH_FTRACE_H */
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Matt Fleming
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Paul Mundt
50
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AKASHI Takahiro
5
4.27%
1
7.69%
Greg Kroah-Hartman
1
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Minfei Huang
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1
7.69%
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117
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13
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Directory: arch/sh/include/asm

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