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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASMSPARC64_SIGNAL_H
2#define _ASMSPARC64_SIGNAL_H
3
4#include <asm/sigcontext.h>
5
6#ifdef __KERNEL__
7#ifndef __ASSEMBLY__
Linus Torvalds1da177e2005-04-16 15:20:36 -07008#include <linux/personality.h>
9#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070010#endif
11#endif
12
13/* On the Sparc the signal handlers get passed a 'sub-signal' code
14 * for certain signal types, which we document here.
15 */
16#define SIGHUP 1
17#define SIGINT 2
18#define SIGQUIT 3
19#define SIGILL 4
20#define SUBSIG_STACK 0
21#define SUBSIG_ILLINST 2
22#define SUBSIG_PRIVINST 3
23#define SUBSIG_BADTRAP(t) (0x80 + (t))
24
25#define SIGTRAP 5
26#define SIGABRT 6
27#define SIGIOT 6
28
29#define SIGEMT 7
30#define SUBSIG_TAG 10
31
32#define SIGFPE 8
33#define SUBSIG_FPDISABLED 0x400
34#define SUBSIG_FPERROR 0x404
35#define SUBSIG_FPINTOVFL 0x001
36#define SUBSIG_FPSTSIG 0x002
37#define SUBSIG_IDIVZERO 0x014
38#define SUBSIG_FPINEXACT 0x0c4
39#define SUBSIG_FPDIVZERO 0x0c8
40#define SUBSIG_FPUNFLOW 0x0cc
41#define SUBSIG_FPOPERROR 0x0d0
42#define SUBSIG_FPOVFLOW 0x0d4
43
44#define SIGKILL 9
45#define SIGBUS 10
46#define SUBSIG_BUSTIMEOUT 1
47#define SUBSIG_ALIGNMENT 2
48#define SUBSIG_MISCERROR 5
49
50#define SIGSEGV 11
51#define SUBSIG_NOMAPPING 3
52#define SUBSIG_PROTECTION 4
53#define SUBSIG_SEGERROR 5
54
55#define SIGSYS 12
56
57#define SIGPIPE 13
58#define SIGALRM 14
59#define SIGTERM 15
60#define SIGURG 16
61
62/* SunOS values which deviate from the Linux/i386 ones */
63#define SIGSTOP 17
64#define SIGTSTP 18
65#define SIGCONT 19
66#define SIGCHLD 20
67#define SIGTTIN 21
68#define SIGTTOU 22
69#define SIGIO 23
70#define SIGPOLL SIGIO /* SysV name for SIGIO */
71#define SIGXCPU 24
72#define SIGXFSZ 25
73#define SIGVTALRM 26
74#define SIGPROF 27
75#define SIGWINCH 28
76#define SIGLOST 29
77#define SIGPWR SIGLOST
78#define SIGUSR1 30
79#define SIGUSR2 31
80
81/* Most things should be clean enough to redefine this at will, if care
82 is taken to make libc match. */
83
84#define __OLD_NSIG 32
85#define __NEW_NSIG 64
86#define _NSIG_BPW 64
87#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
88
89#define SIGRTMIN 32
90#define SIGRTMAX __NEW_NSIG
91
92#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
93#define _NSIG __NEW_NSIG
94#define __new_sigset_t sigset_t
95#define __new_sigaction sigaction
96#define __new_sigaction32 sigaction32
97#define __old_sigset_t old_sigset_t
98#define __old_sigaction old_sigaction
99#define __old_sigaction32 old_sigaction32
100#else
101#define _NSIG __OLD_NSIG
102#define NSIG _NSIG
103#define __old_sigset_t sigset_t
104#define __old_sigaction sigaction
105#define __old_sigaction32 sigaction32
106#endif
107
108#ifndef __ASSEMBLY__
109
110typedef unsigned long __old_sigset_t; /* at least 32 bits */
111
112typedef struct {
113 unsigned long sig[_NSIG_WORDS];
114} __new_sigset_t;
115
116/* A SunOS sigstack */
117struct sigstack {
118 /* XXX 32-bit pointers pinhead XXX */
119 char *the_stack;
120 int cur_status;
121};
122
123/* Sigvec flags */
124#define _SV_SSTACK 1u /* This signal handler should use sig-stack */
125#define _SV_INTR 2u /* Sig return should not restart system call */
126#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
127#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */
128
129/*
130 * sa_flags values: SA_STACK is not currently supported, but will allow the
131 * usage of signal stacks by using the (now obsolete) sa_restorer field in
132 * the sigaction structure as a stack pointer. This is now possible due to
133 * the changes in signal handling. LBT 010493.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134 * SA_RESTART flag to get restarting signals (which were the default long ago)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135 */
136#define SA_NOCLDSTOP _SV_IGNCHILD
137#define SA_STACK _SV_SSTACK
138#define SA_ONSTACK _SV_SSTACK
139#define SA_RESTART _SV_INTR
140#define SA_ONESHOT _SV_RESET
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141#define SA_NOMASK 0x20u
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142#define SA_NOCLDWAIT 0x100u
143#define SA_SIGINFO 0x200u
144
145
146#define SIG_BLOCK 0x01 /* for blocking signals */
147#define SIG_UNBLOCK 0x02 /* for unblocking signals */
148#define SIG_SETMASK 0x04 /* for setting the signal mask */
149
150/*
151 * sigaltstack controls
152 */
153#define SS_ONSTACK 1
154#define SS_DISABLE 2
155
156#define MINSIGSTKSZ 4096
157#define SIGSTKSZ 16384
158
Al Virob1ecb4c2005-05-04 05:40:12 +0100159#include <asm-generic/signal.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160
161struct __new_sigaction {
162 __sighandler_t sa_handler;
163 unsigned long sa_flags;
164 __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
165 __new_sigset_t sa_mask;
166};
167
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168struct __old_sigaction {
169 __sighandler_t sa_handler;
170 __old_sigset_t sa_mask;
171 unsigned long sa_flags;
172 void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
173};
174
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175typedef struct sigaltstack {
176 void __user *ss_sp;
177 int ss_flags;
178 size_t ss_size;
179} stack_t;
180
181#ifdef __KERNEL__
182
David S. Miller14cc6ab2006-10-02 14:17:57 -0700183struct k_sigaction {
184 struct __new_sigaction sa;
185 void __user *ka_restorer;
186};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187
David S. Miller28e61032008-05-11 02:07:19 -0700188#define ptrace_signal_deliver(regs, cookie) do { } while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189
190#endif /* !(__KERNEL__) */
191
192#endif /* !(__ASSEMBLY__) */
193
194#endif /* !(_ASMSPARC64_SIGNAL_H) */