41 lines
943 B
C
41 lines
943 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* arch/sw_64/include/asm/ftrace.h
|
|
*
|
|
* Copyright (C) 2019, serveros, linyue
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
#ifndef _ASM_SW64_FTRACE_H
|
|
#define _ASM_SW64_FTRACE_H
|
|
#include <asm/insn.h>
|
|
|
|
#define MCOUNT_ADDR ((unsigned long)_mcount)
|
|
#define MCOUNT_INSN_SIZE SW64_INSN_SIZE
|
|
|
|
#ifndef __ASSEMBLY__
|
|
#include <linux/compat.h>
|
|
|
|
extern void _mcount(unsigned long);
|
|
|
|
struct dyn_arch_ftrace {
|
|
/* No extra data needed for sw64 */
|
|
};
|
|
|
|
extern unsigned long ftrace_graph_call;
|
|
|
|
|
|
static inline unsigned long ftrace_call_adjust(unsigned long addr)
|
|
{
|
|
/*
|
|
* addr is the address of the mcount call instruction.
|
|
* recordmcount does the necessary offset calculation.
|
|
*/
|
|
return addr;
|
|
}
|
|
|
|
#endif /* ifndef __ASSEMBLY__ */
|
|
#endif /* _ASM_SW64_FTRACE_H */
|