xref: /netbsd/sys/compat/linux/arch/arm/linux_machdep.h (revision 6550d01e)
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