/* * arch/arm/include/asm/unwind.h * * Copyright (C) 2008 ARM Limited * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #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 [31mCONFIG_ARM_UNWIND[0m #define UNWIND(code...) code #else #define UNWIND(code...) #endif #endif /* __ASM_UNWIND_H */ |