/* 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); #endif /* !__ASSEMBLY__ */ #ifdef CONFIG_ARM_UNWIND #define UNWIND(code...) code #else #define UNWIND(code...) #endif #endif /* __ASM_UNWIND_H */