signal.h

来自「基于组件方式开发操作系统的OSKIT源代码」· C头文件 代码 · 共 100 行

/*
 * Copyright (c) 1996, 1998, 1999, 2000 University of Utah and the Flux Group.
 * All rights reserved.
 * 
 * This file is part of the Flux OSKit.  The OSKit is free software, also known
 * as "open source;" you can redistribute it and/or modify it under the terms
 * of the GNU General Public License (GPL), version 2, as published by the Free
 * Software Foundation (FSF).  To explore alternate licensing terms, contact
 * the University of Utah at [e-mail] or [phone].
 * 
 * The OSKit 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 GPL for more details.  You should have
 * received a copy of the GPL along with the OSKit; see the file COPYING.  If
 * not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
 */

/*
 * Copyright (c) 1994-1996 Mark Brinicombe.
 * Copyright (c) 1994 Brini.
 * All rights reserved.
 *
 * This code is derived from software written for Brini by Mark Brinicombe
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Brini.
 * 4. The name of the company nor the name of the author may be used to
 *    endorse or promote products derived from this software without specific
 *    prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * RiscBSD kernel project
 */

#ifndef _OSKIT_ARM32_C_SIGNAL_H_
#define _OSKIT_ARM32_C_SIGNAL_H_

/*
 * Machine-dependent signal definitions
 */

/*
 * Information pushed on stack when a signal is delivered.
 * This is used by the kernel to restore state following
 * execution of the signal handler.  It is also made available
 * to the handler to allow it to restore state properly if
 * a non-standard exit is performed.
 */
struct sigcontext {
	int	     sc_onstack;	/* sigstack state to restore */
	int	     sc_mask;		/* signal mask to restore */
	unsigned int sc_spsr;
	unsigned int sc_r0;
	unsigned int sc_r1;
	unsigned int sc_r2;
	unsigned int sc_r3;
	unsigned int sc_r4;
	unsigned int sc_r5;
	unsigned int sc_r6;
	unsigned int sc_r7;
	unsigned int sc_r8;
	unsigned int sc_r9;
	unsigned int sc_r10;
	unsigned int sc_r11;
	unsigned int sc_r12;
	unsigned int sc_usr_sp;
	unsigned int sc_usr_lr;
	unsigned int sc_svc_lr;
	unsigned int sc_pc;
#  define sc_sp sc_usr_sp
#  define sc_fp sc_r11
#  define sc_ps sc_spsr
};

typedef struct sigcontext sigcontext_t;

void sigcontext_dump(struct sigcontext *scp);

#endif /* _OSKIT_ARM32_C_SIGNAL_H_ */