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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__
9#include <linux/config.h>
10#include <linux/personality.h>
11#include <linux/types.h>
12#include <linux/compat.h>
13#endif
14#endif
15
16/* On the Sparc the signal handlers get passed a 'sub-signal' code
17 * for certain signal types, which we document here.
18 */
19#define SIGHUP 1
20#define SIGINT 2
21#define SIGQUIT 3
22#define SIGILL 4
23#define SUBSIG_STACK 0
24#define SUBSIG_ILLINST 2
25#define SUBSIG_PRIVINST 3
26#define SUBSIG_BADTRAP(t) (0x80 + (t))
27
28#define SIGTRAP 5
29#define SIGABRT 6
30#define SIGIOT 6
31
32#define SIGEMT 7
33#define SUBSIG_TAG 10
34
35#define SIGFPE 8
36#define SUBSIG_FPDISABLED 0x400
37#define SUBSIG_FPERROR 0x404
38#define SUBSIG_FPINTOVFL 0x001
39#define SUBSIG_FPSTSIG 0x002
40#define SUBSIG_IDIVZERO 0x014
41#define SUBSIG_FPINEXACT 0x0c4
42#define SUBSIG_FPDIVZERO 0x0c8
43#define SUBSIG_FPUNFLOW 0x0cc
44#define SUBSIG_FPOPERROR 0x0d0
45#define SUBSIG_FPOVFLOW 0x0d4
46
47#define SIGKILL 9
48#define SIGBUS 10
49#define SUBSIG_BUSTIMEOUT 1
50#define SUBSIG_ALIGNMENT 2
51#define SUBSIG_MISCERROR 5
52
53#define SIGSEGV 11
54#define SUBSIG_NOMAPPING 3
55#define SUBSIG_PROTECTION 4
56#define SUBSIG_SEGERROR 5
57
58#define SIGSYS 12
59
60#define SIGPIPE 13
61#define SIGALRM 14
62#define SIGTERM 15
63#define SIGURG 16
64
65/* SunOS values which deviate from the Linux/i386 ones */
66#define SIGSTOP 17
67#define SIGTSTP 18
68#define SIGCONT 19
69#define SIGCHLD 20
70#define SIGTTIN 21
71#define SIGTTOU 22
72#define SIGIO 23
73#define SIGPOLL SIGIO /* SysV name for SIGIO */
74#define SIGXCPU 24
75#define SIGXFSZ 25
76#define SIGVTALRM 26
77#define SIGPROF 27
78#define SIGWINCH 28
79#define SIGLOST 29
80#define SIGPWR SIGLOST
81#define SIGUSR1 30
82#define SIGUSR2 31
83
84/* Most things should be clean enough to redefine this at will, if care
85 is taken to make libc match. */
86
87#define __OLD_NSIG 32
88#define __NEW_NSIG 64
89#define _NSIG_BPW 64
90#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
91
92#define SIGRTMIN 32
93#define SIGRTMAX __NEW_NSIG
94
95#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
96#define _NSIG __NEW_NSIG
97#define __new_sigset_t sigset_t
98#define __new_sigaction sigaction
99#define __new_sigaction32 sigaction32
100#define __old_sigset_t old_sigset_t
101#define __old_sigaction old_sigaction
102#define __old_sigaction32 old_sigaction32
103#else
104#define _NSIG __OLD_NSIG
105#define NSIG _NSIG
106#define __old_sigset_t sigset_t
107#define __old_sigaction sigaction
108#define __old_sigaction32 sigaction32
109#endif
110
111#ifndef __ASSEMBLY__
112
113typedef unsigned long __old_sigset_t; /* at least 32 bits */
114
115typedef struct {
116 unsigned long sig[_NSIG_WORDS];
117} __new_sigset_t;
118
119/* A SunOS sigstack */
120struct sigstack {
121 /* XXX 32-bit pointers pinhead XXX */
122 char *the_stack;
123 int cur_status;
124};
125
126/* Sigvec flags */
127#define _SV_SSTACK 1u /* This signal handler should use sig-stack */
128#define _SV_INTR 2u /* Sig return should not restart system call */
129#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
130#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */
131
132/*
133 * sa_flags values: SA_STACK is not currently supported, but will allow the
134 * usage of signal stacks by using the (now obsolete) sa_restorer field in
135 * the sigaction structure as a stack pointer. This is now possible due to
136 * the changes in signal handling. LBT 010493.
137 * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
138 * SA_RESTART flag to get restarting signals (which were the default long ago)
139 * SA_SHIRQ flag is for shared interrupt support on PCI and EISA.
140 */
141#define SA_NOCLDSTOP _SV_IGNCHILD
142#define SA_STACK _SV_SSTACK
143#define SA_ONSTACK _SV_SSTACK
144#define SA_RESTART _SV_INTR
145#define SA_ONESHOT _SV_RESET
146#define SA_INTERRUPT 0x10u
147#define SA_NOMASK 0x20u
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148#define SA_NOCLDWAIT 0x100u
149#define SA_SIGINFO 0x200u
150
151
152#define SIG_BLOCK 0x01 /* for blocking signals */
153#define SIG_UNBLOCK 0x02 /* for unblocking signals */
154#define SIG_SETMASK 0x04 /* for setting the signal mask */
155
156/*
157 * sigaltstack controls
158 */
159#define SS_ONSTACK 1
160#define SS_DISABLE 2
161
162#define MINSIGSTKSZ 4096
163#define SIGSTKSZ 16384
164
Al Virob1ecb4c2005-05-04 05:40:12 +0100165#include <asm-generic/signal.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166
167struct __new_sigaction {
168 __sighandler_t sa_handler;
169 unsigned long sa_flags;
170 __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
171 __new_sigset_t sa_mask;
172};
173
174#ifdef __KERNEL__
175
176#ifdef CONFIG_COMPAT
177struct __new_sigaction32 {
178 unsigned sa_handler;
179 unsigned int sa_flags;
180 unsigned sa_restorer; /* not used by Linux/SPARC yet */
181 compat_sigset_t sa_mask;
182};
183#endif
184
185struct k_sigaction {
186 struct __new_sigaction sa;
187 void __user *ka_restorer;
188};
189#endif
190
191struct __old_sigaction {
192 __sighandler_t sa_handler;
193 __old_sigset_t sa_mask;
194 unsigned long sa_flags;
195 void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
196};
197
198#ifdef __KERNEL__
199
200#ifdef CONFIG_COMPAT
201struct __old_sigaction32 {
202 unsigned sa_handler;
203 compat_old_sigset_t sa_mask;
204 unsigned int sa_flags;
205 unsigned sa_restorer; /* not used by Linux/SPARC yet */
206};
207#endif
208
209#endif
210
211typedef struct sigaltstack {
212 void __user *ss_sp;
213 int ss_flags;
214 size_t ss_size;
215} stack_t;
216
217#ifdef __KERNEL__
218
219#ifdef CONFIG_COMPAT
220typedef struct sigaltstack32 {
221 u32 ss_sp;
222 int ss_flags;
223 compat_size_t ss_size;
224} stack_t32;
225#endif
226
227struct signal_deliver_cookie {
228 int restart_syscall;
229 unsigned long orig_i0;
230};
231
232struct pt_regs;
233extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
234
235#endif /* !(__KERNEL__) */
236
237#endif /* !(__ASSEMBLY__) */
238
239#endif /* !(_ASMSPARC64_SIGNAL_H) */