/* SPDX-License-Identifier: GPL-2.0-only */
|
/*
|
* arch/arm/include/asm/unwind.h
|
*
|
* Copyright (C) 2008 ARM Limited
|
*/
|
|
#ifndef __ASM_UNWIND_H
|
#define __ASM_UNWIND_H
|
|
#ifndef __ASSEMBLY__
|
|
/* Unwind reason code according the the ARM EABI documents */
|
enum unwind_reason_code {
|
URC_OK = 0, /* operation completed successfully */
|
URC_CONTINUE_UNWIND = 8,
|
URC_FAILURE = 9 /* unspecified failure of some kind */
|
};
|
|
struct unwind_idx {
|
unsigned long addr_offset;
|
unsigned long insn;
|
};
|
|
struct unwind_table {
|
struct list_head list;
|
const struct unwind_idx *start;
|
const struct unwind_idx *origin;
|
const struct unwind_idx *stop;
|
unsigned long begin_addr;
|
unsigned long end_addr;
|
};
|
|
extern struct unwind_table *unwind_table_add(unsigned long start,
|
unsigned long size,
|
unsigned long text_addr,
|
unsigned long text_size);
|
extern void unwind_table_del(struct unwind_table *tab);
|
extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk,
|
const char *loglvl);
|
|
#endif /* !__ASSEMBLY__ */
|
|
#ifdef CONFIG_ARM_UNWIND
|
#define UNWIND(code...) code
|
#else
|
#define UNWIND(code...)
|
#endif
|
|
#endif /* __ASM_UNWIND_H */
|
