[net-next-2.6.git] / arch / tile / include / asm / sigcontext.h

/*
 * Copyright 2010 Tilera Corporation. All Rights Reserved.
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation, version 2.
 *
 *   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, GOOD TITLE or
 *   NON INFRINGEMENT.  See the GNU General Public License for
 *   more details.
 */

#ifndef _ASM_TILE_SIGCONTEXT_H
#define _ASM_TILE_SIGCONTEXT_H

#include <arch/abi.h>

/*
 * struct sigcontext has the same shape as struct pt_regs,
 * but is simplified since we know the fault is from userspace.
 */
struct sigcontext {
	uint_reg_t gregs[53];	/* General-purpose registers.  */
	uint_reg_t tp;		/* Aliases gregs[TREG_TP].  */
	uint_reg_t sp;		/* Aliases gregs[TREG_SP].  */
	uint_reg_t lr;		/* Aliases gregs[TREG_LR].  */
	uint_reg_t pc;		/* Program counter.  */
	uint_reg_t ics;		/* In Interrupt Critical Section?  */
	uint_reg_t faultnum;	/* Fault number.  */
	uint_reg_t pad[5];
};

#endif /* _ASM_TILE_SIGCONTEXT_H */
Commit	Line	Data
867e359b CM	1	/*
	2	* Copyright 2010 Tilera Corporation. All Rights Reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation, version 2.
	7	*
	8	* This program is distributed in the hope that it will be useful, but
	9	* WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
	11	* NON INFRINGEMENT. See the GNU General Public License for
	12	* more details.
	13	*/
	14
	15	#ifndef _ASM_TILE_SIGCONTEXT_H
	16	#define _ASM_TILE_SIGCONTEXT_H
	17
74fca9da	18	#include <arch/abi.h>
867e359b	19
74fca9da CM	20	/*
	21	* struct sigcontext has the same shape as struct pt_regs,
	22	* but is simplified since we know the fault is from userspace.
	23	*/
867e359b	24	struct sigcontext {
74fca9da CM	25	uint_reg_t gregs[53]; /* General-purpose registers. */
	26	uint_reg_t tp; /* Aliases gregs[TREG_TP]. */
	27	uint_reg_t sp; /* Aliases gregs[TREG_SP]. */
	28	uint_reg_t lr; /* Aliases gregs[TREG_LR]. */
	29	uint_reg_t pc; /* Program counter. */
	30	uint_reg_t ics; /* In Interrupt Critical Section? */
	31	uint_reg_t faultnum; /* Fault number. */
	32	uint_reg_t pad[5];
867e359b CM	33	};
	34
	35	#endif /* _ASM_TILE_SIGCONTEXT_H */