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/* 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;
}
void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr);
#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)
#ifdef CONFIG_DYNAMIC_FTRACE
extern void arch_ftrace_nmi_enter(void);
extern void arch_ftrace_nmi_exit(void);
#else
static inline void arch_ftrace_nmi_enter(void) { }
static inline void arch_ftrace_nmi_exit(void) { }
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ASM_SH_FTRACE_H */
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