xref: /netbsd/sys/compat/linux/arch/mips/linux_signal.h (revision c4a72b64)
1 /* $NetBSD: linux_signal.h,v 1.8 2002/11/26 18:43:21 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 1995, 1998, 2001 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, Eric Haszlakiewicz and Emmanuel Dreyfus.
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 _MIPS_LINUX_SIGNAL_H
40 #define _MIPS_LINUX_SIGNAL_H
41 
42 /*
43  * From Linux's include/asm-mips/ptrace.h
44  */
45 struct linux_pt_regs {
46 	unsigned long lpad0[6];
47 	unsigned long lregs[32];
48 	unsigned long llo;
49 	unsigned long lhi;
50 	unsigned long lcp0_epc;
51 	unsigned long lcp0_badvaddr;
52 	unsigned long lcp0_status;
53 	unsigned long lcp0_cause;
54 };
55 
56 /*
57  * Everything is from Linux's include/asm-mips/signal.h
58  */
59 #define LINUX_SIGHUP	 	1
60 #define LINUX_SIGINT		2
61 #define LINUX_SIGQUIT		3
62 #define LINUX_SIGILL		4
63 #define LINUX_SIGTRAP		5
64 #define LINUX_SIGABRT		6
65 #define LINUX_SIGIOT		6
66 #define LINUX_SIGEMT		7
67 #define LINUX_SIGFPE		8
68 #define LINUX_SIGKILL		9
69 #define LINUX_SIGBUS		10
70 #define LINUX_SIGSEGV		11
71 #define LINUX_SIGSYS		12
72 #define LINUX_SIGPIPE		13
73 #define LINUX_SIGALRM		14
74 #define LINUX_SIGTERM		15
75 #define LINUX_SIGUSR1		16
76 #define LINUX_SIGUSR2		17
77 #define LINUX_SIGCHLD		18
78 #define LINUX_SIGCLD		18
79 #define LINUX_SIGPWR		19
80 #define LINUX_SIGWINCH		20
81 #define LINUX_SIGURG		21
82 #define LINUX_SIGIO		22
83 #define LINUX_SIGPOLL		22
84 #define LINUX_SIGSTOP		23
85 #define LINUX_SIGTSTP		24
86 #define LINUX_SIGCONT		25
87 #define LINUX_SIGTTIN		26
88 #define LINUX_SIGTTOU		27
89 #define LINUX_SIGVTALRM		28
90 #define LINUX_SIGPROF		29
91 #define LINUX_SIGXCPU		30
92 #define LINUX_SIGXFSZ		31
93 
94 /* Min/max real-time linux signal */
95 #define LINUX_SIGRTMIN		32
96 #define LINUX_SIGRTMAX		(LINUX__NSIG - 1)
97 
98 #define LINUX__NSIG		128
99 #if defined(ELFSIZE) && (ELFSIZE == 64)
100 #define LINUX__NSIG_BPW		64
101 #else
102 #define LINUX__NSIG_BPW		32
103 #endif
104 #define LINUX__NSIG_WORDS (LINUX__NSIG / LINUX__NSIG_BPW)
105 
106 #define LINUX_SIG_BLOCK		1
107 #define LINUX_SIG_UNBLOCK	2
108 #define LINUX_SIG_SETMASK	3
109 
110 /* sa_flags */
111 #define LINUX_SA_NOCLDSTOP	0x00000001
112 #define LINUX_SA_SIGINFO	0x00000008
113 #define LINUX_SA_NOCLDWAIT	0x00010000
114 #define LINUX_SA_RESTORER	0x04000000
115 #define LINUX_SA_ONSTACK	0x08000000
116 #define LINUX_SA_RESTART	0x10000000
117 #define LINUX_SA_INTERRUPT	0x20000000
118 #define LINUX_SA_NODEFER	0x40000000
119 #define LINUX_SA_RESETHAND	0x80000000
120 #define LINUX_SA_NOMASK		LINUX_SA_NODEFER
121 #define LINUX_SA_ONESHOT	LINUX_SA_RESETHAND
122 #define LINUX_SA_ALLBITS	0xfc010009 /* XXX from i386, not in mips. */
123 
124 typedef void (*linux___sighandler_t) __P((int));
125 
126 typedef unsigned long linux_old_sigset_t;
127 typedef struct {
128 	unsigned long sig[LINUX__NSIG_WORDS];
129 } linux_sigset_t;
130 
131 /* Used in rt_* calls. No old_sigaction is defined for MIPS */
132 struct linux_sigaction {
133 	unsigned int		linux_sa_flags;
134 	linux___sighandler_t	linux_sa_handler;
135 	linux_sigset_t		linux_sa_mask;
136 	void			(*linux_sa_restorer) __P((void));
137 	int			linux_sa_resv[1];
138 };
139 
140 struct linux_k_sigaction {
141 	struct linux_sigaction sa;
142 };
143 
144 struct linux_old_sigaction {
145 	unsigned int		linux_sa_flags;
146 	linux___sighandler_t	linux_sa_handler;
147 	linux_old_sigset_t	linux_sa_mask;
148 	void			(*linux_sa_restorer) __P((void));
149 	int			linux_sa_resv[1];
150 };
151 
152 #define	LINUX_SS_ONSTACK	1
153 #define	LINUX_SS_DISABLE	2
154 
155 #define	LINUX_MINSIGSTKSZ	2048
156 #define	LINUX_SIGSTKSZ		8192
157 
158 struct linux_sigaltstack {
159 	void *ss_sp;
160 	size_t ss_size;
161 	int ss_flags;
162 };
163 typedef struct linux_sigaltstack linux_stack_t; /* XXX really needed ? */
164 
165 #endif /* !_MIPS_LINUX_SIGNAL_H */
166