1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * arch/arm/include/asm/unwind.h
 4 *
 5 * Copyright (C) 2008 ARM Limited
 6 */
 7
 8#ifndef __ASM_UNWIND_H
 9#define __ASM_UNWIND_H
10
11#ifndef __ASSEMBLY__
12
13/* Unwind reason code according the the ARM EABI documents */
14enum unwind_reason_code {
15	URC_OK = 0,			/* operation completed successfully */
16	URC_CONTINUE_UNWIND = 8,
17	URC_FAILURE = 9			/* unspecified failure of some kind */
18};
19
20struct unwind_idx {
21	unsigned long addr_offset;
22	unsigned long insn;
23};
24
25struct unwind_table {
26	struct list_head list;
27	struct list_head mod_list;
28	const struct unwind_idx *start;
29	const struct unwind_idx *origin;
30	const struct unwind_idx *stop;
31	unsigned long begin_addr;
32	unsigned long end_addr;
33};
34
35extern struct unwind_table *unwind_table_add(unsigned long start,
36					     unsigned long size,
37					     unsigned long text_addr,
38					     unsigned long text_size);
39extern void unwind_table_del(struct unwind_table *tab);
40extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk,
41			     const char *loglvl);
42
43void __aeabi_unwind_cpp_pr0(void);
44void __aeabi_unwind_cpp_pr1(void);
45void __aeabi_unwind_cpp_pr2(void);
46
47#endif	/* !__ASSEMBLY__ */
48
49#ifdef CONFIG_ARM_UNWIND
50#define UNWIND(code...)		code
51#else
52#define UNWIND(code...)
53#endif
54
55#endif	/* __ASM_UNWIND_H */

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * arch/arm/include/asm/unwind.h
 4 *
 5 * Copyright (C) 2008 ARM Limited
 6 */
 7
 8#ifndef __ASM_UNWIND_H
 9#define __ASM_UNWIND_H
10
11#ifndef __ASSEMBLY__
12
13/* Unwind reason code according the the ARM EABI documents */
14enum unwind_reason_code {
15	URC_OK = 0,			/* operation completed successfully */
16	URC_CONTINUE_UNWIND = 8,
17	URC_FAILURE = 9			/* unspecified failure of some kind */
18};
19
20struct unwind_idx {
21	unsigned long addr_offset;
22	unsigned long insn;
23};
24
25struct unwind_table {
26	struct list_head list;
 
27	const struct unwind_idx *start;
28	const struct unwind_idx *origin;
29	const struct unwind_idx *stop;
30	unsigned long begin_addr;
31	unsigned long end_addr;
32};
33
34extern struct unwind_table *unwind_table_add(unsigned long start,
35					     unsigned long size,
36					     unsigned long text_addr,
37					     unsigned long text_size);
38extern void unwind_table_del(struct unwind_table *tab);
39extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk,
40			     const char *loglvl);
 
 
 
 
41
42#endif	/* !__ASSEMBLY__ */
43
44#ifdef CONFIG_ARM_UNWIND
45#define UNWIND(code...)		code
46#else
47#define UNWIND(code...)
48#endif
49
50#endif	/* __ASM_UNWIND_H */