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linux_machdep.h revision 1.2 
      1 /*	$NetBSD: linux_machdep.h,v 1.2 2002/01/17 22:50:38 bjh21 Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1995, 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Frank van der Linden.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _ARM_LINUX_MACHDEP_H_
     40 #define _ARM_LINUX_MACHDEP_H_
     41 
     42 struct linux_sigcontext {
     43 	u_int32_t	sc_trapno;
     44 	u_int32_t	sc_error_code;
     45 	linux_old_sigset_t	sc_mask;
     46 	u_int32_t	sc_r0;
     47 	u_int32_t	sc_r1;
     48 	u_int32_t	sc_r2;
     49 	u_int32_t	sc_r3;
     50 	u_int32_t	sc_r4;
     51 	u_int32_t	sc_r5;
     52 	u_int32_t	sc_r6;
     53 	u_int32_t	sc_r7;
     54 	u_int32_t	sc_r8;
     55 	u_int32_t	sc_r9;
     56 	u_int32_t	sc_r10;
     57 	u_int32_t	sc_r11;
     58 	u_int32_t	sc_r12;
     59 	u_int32_t	sc_sp;
     60 	u_int32_t	sc_lr;
     61 	u_int32_t	sc_pc;
     62 	u_int32_t	sc_cpsr;
     63 	u_int32_t	sc_fault_address;
     64 };
     65 
     66 /*
     67  * We make the stack look like Linux expects it when calling a signal
     68  * handler, but use the BSD way of calling the handler and sigreturn().
     69  * This means that we need to pass the pointer to the handler too.
     70  * It is appended to the frame to not interfere with the rest of it.
     71  */
     72 
     73 struct linux_sigframe {
     74 	struct	linux_sigcontext sf_sc;
     75 	unsigned long	sf_extramask[LINUX__NSIG_WORDS - 1];
     76 };
     77 
     78 #ifdef _KERNEL
     79 __BEGIN_DECLS
     80 void linux_sendsig __P((sig_t, int, sigset_t *, u_long));
     81 dev_t linux_fakedev __P((dev_t));
     82 __END_DECLS
     83 #endif /* _KERNEL */
     84 
     85 #endif
     86