1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * arch/arm/include/asm/unwind.h
5 * Copyright (C) 2008 ARM Limited
13 /* Unwind reason code according the the ARM EABI documents */
14 enum unwind_reason_code {
15 URC_OK = 0, /* operation completed successfully */
16 URC_CONTINUE_UNWIND = 8,
17 URC_FAILURE = 9 /* unspecified failure of some kind */
21 unsigned long addr_offset;
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;
34 extern struct unwind_table *unwind_table_add(unsigned long start,
36 unsigned long text_addr,
37 unsigned long text_size);
38 extern void unwind_table_del(struct unwind_table *tab);
39 extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk);
41 #endif /* !__ASSEMBLY__ */
43 #ifdef CONFIG_ARM_UNWIND
44 #define UNWIND(code...) code
46 #define UNWIND(code...)
49 #endif /* __ASM_UNWIND_H */