ftrace.h (ac7127e1cc65aeb578998c992a05dbc80fa18f0f) ftrace.h (a51ac5246d2505b58229242959d2bc73d113ca50)
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2022 Loongson Technology Corporation Limited
4 */
5
6#ifndef _ASM_LOONGARCH_FTRACE_H
7#define _ASM_LOONGARCH_FTRACE_H
8
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2022 Loongson Technology Corporation Limited
4 */
5
6#ifndef _ASM_LOONGARCH_FTRACE_H
7#define _ASM_LOONGARCH_FTRACE_H
8
9#define GRAPH_FAKE_OFFSET (sizeof(struct pt_regs) - offsetof(struct pt_regs, regs[1]))
10
9#ifdef CONFIG_FUNCTION_TRACER
10
11#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
12
13#ifndef __ASSEMBLY__
14
15#ifndef CONFIG_DYNAMIC_FTRACE
16
17#define mcount _mcount
18extern void _mcount(void);
19extern void prepare_ftrace_return(unsigned long self_addr, unsigned long callsite_sp, unsigned long old);
20
21#else
22
23struct dyn_ftrace;
24struct dyn_arch_ftrace { };
25
26#define ARCH_SUPPORTS_FTRACE_OPS 1
11#ifdef CONFIG_FUNCTION_TRACER
12
13#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
14
15#ifndef __ASSEMBLY__
16
17#ifndef CONFIG_DYNAMIC_FTRACE
18
19#define mcount _mcount
20extern void _mcount(void);
21extern void prepare_ftrace_return(unsigned long self_addr, unsigned long callsite_sp, unsigned long old);
22
23#else
24
25struct dyn_ftrace;
26struct dyn_arch_ftrace { };
27
28#define ARCH_SUPPORTS_FTRACE_OPS 1
29#define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
27
28#define ftrace_init_nop ftrace_init_nop
29int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec);
30
31static inline unsigned long ftrace_call_adjust(unsigned long addr)
32{
33 return addr;
34}

--- 27 unchanged lines hidden --- 		30
31#define ftrace_init_nop ftrace_init_nop
32int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec);
33
34static inline unsigned long ftrace_call_adjust(unsigned long addr)
35{
36 return addr;
37}

--- 27 unchanged lines hidden ---