projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 45051539 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| bff595c1 CM |
2 | /* |
| 3 | * arch/arm/include/asm/unwind.h | |
| 4 | * | |
| 5 | * Copyright (C) 2008 ARM Limited | |
| bff595c1 CM |
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 */ | |
| 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 */ | |
| 18 | }; | |
| 19 | ||
| 20 | struct unwind_idx { | |
| de66a979 | 21 | unsigned long addr_offset; |
| bff595c1 CM |
22 | unsigned long insn; |
| 23 | }; | |
| 24 | ||
| 25 | struct unwind_table { | |
| 26 | struct list_head list; | |
| de66a979 UKK |
27 | const struct unwind_idx *start; |
| 28 | const struct unwind_idx *origin; | |
| 29 | const struct unwind_idx *stop; | |
| bff595c1 CM |
30 | unsigned long begin_addr; |
| 31 | unsigned long end_addr; | |
| 32 | }; | |
| 33 | ||
| 34 | extern struct unwind_table *unwind_table_add(unsigned long start, | |
| 35 | unsigned long size, | |
| 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); | |
| 40 | ||
| bff595c1 CM |
41 | #endif /* !__ASSEMBLY__ */ |
| 42 | ||
| 43 | #ifdef CONFIG_ARM_UNWIND | |
| 44 | #define UNWIND(code...) code | |
| 45 | #else | |
| 46 | #define UNWIND(code...) | |
| 47 | #endif | |
| 48 | ||
| 49 | #endif /* __ASM_UNWIND_H */ |