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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#ifndef _ASM_LOONGARCH_FTRACE_H
#define _ASM_LOONGARCH_FTRACE_H
#ifdef CONFIG_FUNCTION_TRACER
#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
#ifndef __ASSEMBLY__
#ifndef CONFIG_DYNAMIC_FTRACE
#define mcount _mcount
extern void _mcount(void);
extern void prepare_ftrace_return(unsigned long self_addr, unsigned long callsite_sp, unsigned long old);
#else
struct dyn_ftrace;
struct dyn_arch_ftrace { };
#define ftrace_init_nop ftrace_init_nop
int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec);
static inline unsigned long ftrace_call_adjust(unsigned long addr)
{
return addr;
}
void prepare_ftrace_return(unsigned long self_addr, unsigned long *parent);
#endif /* CONFIG_DYNAMIC_FTRACE */
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_FUNCTION_TRACER */
#endif /* _ASM_LOONGARCH_FTRACE_H */
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