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      1 /*	$NetBSD: linux_machdep.h,v 1.6 2008/04/28 20:23:42 martin 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _ARM_LINUX_MACHDEP_H_
     33 #define _ARM_LINUX_MACHDEP_H_
     34 
     35 #include <compat/linux/common/linux_signal.h>
     36 
     37 struct linux_sigcontext {
     38 	u_int32_t	sc_trapno;
     39 	u_int32_t	sc_error_code;
     40 	linux_old_sigset_t	sc_mask;
     41 	u_int32_t	sc_r0;
     42 	u_int32_t	sc_r1;
     43 	u_int32_t	sc_r2;
     44 	u_int32_t	sc_r3;
     45 	u_int32_t	sc_r4;
     46 	u_int32_t	sc_r5;
     47 	u_int32_t	sc_r6;
     48 	u_int32_t	sc_r7;
     49 	u_int32_t	sc_r8;
     50 	u_int32_t	sc_r9;
     51 	u_int32_t	sc_r10;
     52 	u_int32_t	sc_r11;
     53 	u_int32_t	sc_r12;
     54 	u_int32_t	sc_sp;
     55 	u_int32_t	sc_lr;
     56 	u_int32_t	sc_pc;
     57 	u_int32_t	sc_cpsr;
     58 	u_int32_t	sc_fault_address;
     59 };
     60 
     61 /*
     62  * We make the stack look like Linux expects it when calling a signal
     63  * handler, but use the BSD way of calling the handler and sigreturn().
     64  * This means that we need to pass the pointer to the handler too.
     65  * It is appended to the frame to not interfere with the rest of it.
     66  */
     67 
     68 struct linux_sigframe {
     69 	struct	linux_sigcontext sf_sc;
     70 	unsigned long	sf_extramask[LINUX__NSIG_WORDS - 1];
     71 };
     72 
     73 void linux_syscall_intern(struct proc *);
     74 
     75 #endif
     76