1/* $NetBSD: linux_signal.h,v 1.14 2015/11/14 13:29:35 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 *
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 _MIPS_LINUX_SIGNAL_H
33#define _MIPS_LINUX_SIGNAL_H
34
35/*
36 * From Linux's include/asm-mips/ptrace.h
37 */
38struct linux_pt_regs {
39	unsigned long lpad0[6];
40	unsigned long lregs[32];
41	unsigned long llo;
42	unsigned long lhi;
43	unsigned long lcp0_epc;
44	unsigned long lcp0_badvaddr;
45	unsigned long lcp0_status;
46	unsigned long lcp0_cause;
47};
48
49/*
50 * Everything is from Linux's include/asm-mips/signal.h
51 */
52#define LINUX_SIGHUP	 	1
53#define LINUX_SIGINT		2
54#define LINUX_SIGQUIT		3
55#define LINUX_SIGILL		4
56#define LINUX_SIGTRAP		5
57#define LINUX_SIGABRT		6
58#define LINUX_SIGIOT		6
59#define LINUX_SIGEMT		7
60#define LINUX_SIGFPE		8
61#define LINUX_SIGKILL		9
62#define LINUX_SIGBUS		10
63#define LINUX_SIGSEGV		11
64#define LINUX_SIGSYS		12
65#define LINUX_SIGPIPE		13
66#define LINUX_SIGALRM		14
67#define LINUX_SIGTERM		15
68#define LINUX_SIGUSR1		16
69#define LINUX_SIGUSR2		17
70#define LINUX_SIGCHLD		18
71#define LINUX_SIGCLD		18
72#define LINUX_SIGPWR		19
73#define LINUX_SIGWINCH		20
74#define LINUX_SIGURG		21
75#define LINUX_SIGIO		22
76#define LINUX_SIGPOLL		22
77#define LINUX_SIGSTOP		23
78#define LINUX_SIGTSTP		24
79#define LINUX_SIGCONT		25
80#define LINUX_SIGTTIN		26
81#define LINUX_SIGTTOU		27
82#define LINUX_SIGVTALRM		28
83#define LINUX_SIGPROF		29
84#define LINUX_SIGXCPU		30
85#define LINUX_SIGXFSZ		31
86
87/* Min/max real-time linux signal */
88#define LINUX_SIGRTMIN		32
89#define LINUX_SIGRTMAX		(LINUX__NSIG - 1)
90
91#define LINUX__NSIG		128
92#if defined(ELFSIZE) && (ELFSIZE == 64)
93#define LINUX__NSIG_BPW		64
94#else
95#define LINUX__NSIG_BPW		32
96#endif
97#define LINUX__NSIG_WORDS (LINUX__NSIG / LINUX__NSIG_BPW)
98
99#define LINUX_SIG_BLOCK		1
100#define LINUX_SIG_UNBLOCK	2
101#define LINUX_SIG_SETMASK	3
102
103/* sa_flags */
104#define LINUX_SA_NOCLDSTOP	0x00000001
105#define LINUX_SA_SIGINFO	0x00000008
106#define LINUX_SA_NOCLDWAIT	0x00010000
107#define LINUX_SA_ONSTACK	0x08000000
108#define LINUX_SA_RESTART	0x10000000
109#define LINUX_SA_NODEFER	0x40000000
110#define LINUX_SA_RESETHAND	0x80000000
111#define LINUX_SA_NOMASK		LINUX_SA_NODEFER
112#define LINUX_SA_ONESHOT	LINUX_SA_RESETHAND
113#define LINUX_SA_ALLBITS	0xd8010009
114/* XXX LINUX_SA_RESTORER has been deprecated; not used any version of glibc */
115
116#define	LINUX_MINSIGSTKSZ	2048
117
118typedef void (*linux___sighandler_t)(int);
119
120typedef unsigned long linux_old_sigset_t;
121typedef struct {
122	unsigned long sig[LINUX__NSIG_WORDS];
123} linux_sigset_t;
124
125/* Used in rt_* calls. No old_sigaction is defined for MIPS */
126struct linux_sigaction {
127	unsigned int		linux_sa_flags;
128	linux___sighandler_t	linux_sa_handler;
129	linux_sigset_t		linux_sa_mask;
130	void			(*linux_sa_restorer)(void);
131	int			linux_sa_resv[1];
132};
133
134struct linux_k_sigaction {
135	struct linux_sigaction sa;
136};
137
138struct linux_old_sigaction {
139	unsigned int		linux_sa_flags;
140	linux___sighandler_t	linux_sa_handler;
141	linux_old_sigset_t	linux_sa_mask;
142	void			(*linux_sa_restorer)(void);
143	int			linux_sa_resv[1];
144};
145
146#define	LINUX_SS_ONSTACK	1
147#define	LINUX_SS_DISABLE	2
148
149#define	LINUX_MINSIGSTKSZ	2048
150#define	LINUX_SIGSTKSZ		8192
151
152struct linux_sigaltstack {
153	void *ss_sp;
154	size_t ss_size;
155	int ss_flags;
156};
157typedef struct linux_sigaltstack linux_stack_t; /* XXX really needed ? */
158
159#endif /* !_MIPS_LINUX_SIGNAL_H */
160