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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: signal.h,v 1.9 1999/09/06 08:22:11 jj Exp $ */
2#ifndef _ASMSPARC64_SIGNAL_H
3#define _ASMSPARC64_SIGNAL_H
4
5#include <asm/sigcontext.h>
6
7#ifdef __KERNEL__
8#ifndef __ASSEMBLY__
Linus Torvalds1da177e2005-04-16 15:20:36 -07009#include <linux/personality.h>
10#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070011#endif
12#endif
13
14/* On the Sparc the signal handlers get passed a 'sub-signal' code
15 * for certain signal types, which we document here.
16 */
17#define SIGHUP 1
18#define SIGINT 2
19#define SIGQUIT 3
20#define SIGILL 4
21#define SUBSIG_STACK 0
22#define SUBSIG_ILLINST 2
23#define SUBSIG_PRIVINST 3
24#define SUBSIG_BADTRAP(t) (0x80 + (t))
25
26#define SIGTRAP 5
27#define SIGABRT 6
28#define SIGIOT 6
29
30#define SIGEMT 7
31#define SUBSIG_TAG 10
32
33#define SIGFPE 8
34#define SUBSIG_FPDISABLED 0x400
35#define SUBSIG_FPERROR 0x404
36#define SUBSIG_FPINTOVFL 0x001
37#define SUBSIG_FPSTSIG 0x002
38#define SUBSIG_IDIVZERO 0x014
39#define SUBSIG_FPINEXACT 0x0c4
40#define SUBSIG_FPDIVZERO 0x0c8
41#define SUBSIG_FPUNFLOW 0x0cc
42#define SUBSIG_FPOPERROR 0x0d0
43#define SUBSIG_FPOVFLOW 0x0d4
44
45#define SIGKILL 9
46#define SIGBUS 10
47#define SUBSIG_BUSTIMEOUT 1
48#define SUBSIG_ALIGNMENT 2
49#define SUBSIG_MISCERROR 5
50
51#define SIGSEGV 11
52#define SUBSIG_NOMAPPING 3
53#define SUBSIG_PROTECTION 4
54#define SUBSIG_SEGERROR 5
55
56#define SIGSYS 12
57
58#define SIGPIPE 13
59#define SIGALRM 14
60#define SIGTERM 15
61#define SIGURG 16
62
63/* SunOS values which deviate from the Linux/i386 ones */
64#define SIGSTOP 17
65#define SIGTSTP 18
66#define SIGCONT 19
67#define SIGCHLD 20
68#define SIGTTIN 21
69#define SIGTTOU 22
70#define SIGIO 23
71#define SIGPOLL SIGIO /* SysV name for SIGIO */
72#define SIGXCPU 24
73#define SIGXFSZ 25
74#define SIGVTALRM 26
75#define SIGPROF 27
76#define SIGWINCH 28
77#define SIGLOST 29
78#define SIGPWR SIGLOST
79#define SIGUSR1 30
80#define SIGUSR2 31
81
82/* Most things should be clean enough to redefine this at will, if care
83 is taken to make libc match. */
84
85#define __OLD_NSIG 32
86#define __NEW_NSIG 64
87#define _NSIG_BPW 64
88#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
89
90#define SIGRTMIN 32
91#define SIGRTMAX __NEW_NSIG
92
93#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
94#define _NSIG __NEW_NSIG
95#define __new_sigset_t sigset_t
96#define __new_sigaction sigaction
97#define __new_sigaction32 sigaction32
98#define __old_sigset_t old_sigset_t
99#define __old_sigaction old_sigaction
100#define __old_sigaction32 old_sigaction32
101#else
102#define _NSIG __OLD_NSIG
103#define NSIG _NSIG
104#define __old_sigset_t sigset_t
105#define __old_sigaction sigaction
106#define __old_sigaction32 sigaction32
107#endif
108
109#ifndef __ASSEMBLY__
110
111typedef unsigned long __old_sigset_t; /* at least 32 bits */
112
113typedef struct {
114 unsigned long sig[_NSIG_WORDS];
115} __new_sigset_t;
116
117/* A SunOS sigstack */
118struct sigstack {
119 /* XXX 32-bit pointers pinhead XXX */
120 char *the_stack;
121 int cur_status;
122};
123
124/* Sigvec flags */
125#define _SV_SSTACK 1u /* This signal handler should use sig-stack */
126#define _SV_INTR 2u /* Sig return should not restart system call */
127#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
128#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */
129
130/*
131 * sa_flags values: SA_STACK is not currently supported, but will allow the
132 * usage of signal stacks by using the (now obsolete) sa_restorer field in
133 * the sigaction structure as a stack pointer. This is now possible due to
134 * the changes in signal handling. LBT 010493.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135 * SA_RESTART flag to get restarting signals (which were the default long ago)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700136 */
137#define SA_NOCLDSTOP _SV_IGNCHILD
138#define SA_STACK _SV_SSTACK
139#define SA_ONSTACK _SV_SSTACK
140#define SA_RESTART _SV_INTR
141#define SA_ONESHOT _SV_RESET
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142#define SA_NOMASK 0x20u
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143#define SA_NOCLDWAIT 0x100u
144#define SA_SIGINFO 0x200u
145
146
147#define SIG_BLOCK 0x01 /* for blocking signals */
148#define SIG_UNBLOCK 0x02 /* for unblocking signals */
149#define SIG_SETMASK 0x04 /* for setting the signal mask */
150
151/*
152 * sigaltstack controls
153 */
154#define SS_ONSTACK 1
155#define SS_DISABLE 2
156
157#define MINSIGSTKSZ 4096
158#define SIGSTKSZ 16384
159
Al Virob1ecb4c2005-05-04 05:40:12 +0100160#include <asm-generic/signal.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161
162struct __new_sigaction {
163 __sighandler_t sa_handler;
164 unsigned long sa_flags;
165 __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
166 __new_sigset_t sa_mask;
167};
168
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169struct __old_sigaction {
170 __sighandler_t sa_handler;
171 __old_sigset_t sa_mask;
172 unsigned long sa_flags;
173 void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
174};
175
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176typedef struct sigaltstack {
177 void __user *ss_sp;
178 int ss_flags;
179 size_t ss_size;
180} stack_t;
181
182#ifdef __KERNEL__
183
David S. Miller14cc6ab2006-10-02 14:17:57 -0700184struct k_sigaction {
185 struct __new_sigaction sa;
186 void __user *ka_restorer;
187};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188
189struct signal_deliver_cookie {
190 int restart_syscall;
191 unsigned long orig_i0;
192};
193
194struct pt_regs;
195extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
196
197#endif /* !(__KERNEL__) */
198
199#endif /* !(__ASSEMBLY__) */
200
201#endif /* !(_ASMSPARC64_SIGNAL_H) */