[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / include / asm / unwind.h

/*
 * 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 CONFIG_ARM_UNWIND
#define UNWIND(code...)		code
#else
#define UNWIND(code...)
#endif

#endif	/* __ASM_UNWIND_H */
Commit	Line	Data
bff595c1 CM	1	/*
	2	* arch/arm/include/asm/unwind.h
	3	*
	4	* Copyright (C) 2008 ARM Limited
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*/
	19
	20	#ifndef __ASM_UNWIND_H
	21	#define __ASM_UNWIND_H
	22
	23	#ifndef __ASSEMBLY__
	24
	25	/* Unwind reason code according the the ARM EABI documents */
	26	enum unwind_reason_code {
	27	URC_OK = 0, /* operation completed successfully */
	28	URC_CONTINUE_UNWIND = 8,
	29	URC_FAILURE = 9 /* unspecified failure of some kind */
	30	};
	31
	32	struct unwind_idx {
de66a979	33	unsigned long addr_offset;
bff595c1 CM	34	unsigned long insn;
	35	};
	36
	37	struct unwind_table {
	38	struct list_head list;
de66a979 UKK	39	const struct unwind_idx *start;
	40	const struct unwind_idx *origin;
	41	const struct unwind_idx *stop;
bff595c1 CM	42	unsigned long begin_addr;
	43	unsigned long end_addr;
	44	};
	45
	46	extern struct unwind_table *unwind_table_add(unsigned long start,
	47	unsigned long size,
	48	unsigned long text_addr,
	49	unsigned long text_size);
	50	extern void unwind_table_del(struct unwind_table *tab);
	51	extern void unwind_backtrace(struct pt_regs regs, struct task_struct tsk);
	52
bff595c1 CM	53	#endif /* !__ASSEMBLY__ */
	54
	55	#ifdef CONFIG_ARM_UNWIND
	56	#define UNWIND(code...) code
	57	#else
	58	#define UNWIND(code...)
	59	#endif
	60
	61	#endif /* __ASM_UNWIND_H */