blob: 94071c75701f4b1c8511cdf768c298ce988fa364 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/* $Id: signal.h,v 1.35 1999/09/06 08:22:04 jj Exp $ */
#ifndef _ASMSPARC_SIGNAL_H
#define _ASMSPARC_SIGNAL_H
#include <asm/sigcontext.h>
#include <linux/compiler.h>
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
#include <linux/personality.h>
#include <linux/types.h>
#endif
#endif
/* On the Sparc the signal handlers get passed a 'sub-signal' code
* for certain signal types, which we document here.
*/
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SUBSIG_STACK 0
#define SUBSIG_ILLINST 2
#define SUBSIG_PRIVINST 3
#define SUBSIG_BADTRAP(t) (0x80 + (t))
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT 6
#define SIGEMT 7
#define SUBSIG_TAG 10
#define SIGFPE 8
#define SUBSIG_FPDISABLED 0x400
#define SUBSIG_FPERROR 0x404
#define SUBSIG_FPINTOVFL 0x001
#define SUBSIG_FPSTSIG 0x002
#define SUBSIG_IDIVZERO 0x014
#define SUBSIG_FPINEXACT 0x0c4
#define SUBSIG_FPDIVZERO 0x0c8
#define SUBSIG_FPUNFLOW 0x0cc
#define SUBSIG_FPOPERROR 0x0d0
#define SUBSIG_FPOVFLOW 0x0d4
#define SIGKILL 9
#define SIGBUS 10
#define SUBSIG_BUSTIMEOUT 1
#define SUBSIG_ALIGNMENT 2
#define SUBSIG_MISCERROR 5
#define SIGSEGV 11
#define SUBSIG_NOMAPPING 3
#define SUBSIG_PROTECTION 4
#define SUBSIG_SEGERROR 5
#define SIGSYS 12
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGURG 16
/* SunOS values which deviate from the Linux/i386 ones */
#define SIGSTOP 17
#define SIGTSTP 18
#define SIGCONT 19
#define SIGCHLD 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGIO 23
#define SIGPOLL SIGIO /* SysV name for SIGIO */
#define SIGXCPU 24
#define SIGXFSZ 25
#define SIGVTALRM 26
#define SIGPROF 27
#define SIGWINCH 28
#define SIGLOST 29
#define SIGPWR SIGLOST
#define SIGUSR1 30
#define SIGUSR2 31
/* Most things should be clean enough to redefine this at will, if care
* is taken to make libc match.
*/
#define __OLD_NSIG 32
#define __NEW_NSIG 64
#define _NSIG_BPW 32
#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
#define SIGRTMIN 32
#define SIGRTMAX __NEW_NSIG
#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
#define _NSIG __NEW_NSIG
#define __new_sigset_t sigset_t
#define __new_sigaction sigaction
#define __old_sigset_t old_sigset_t
#define __old_sigaction old_sigaction
#else
#define _NSIG __OLD_NSIG
#define __old_sigset_t sigset_t
#define __old_sigaction sigaction
#endif
#ifndef __ASSEMBLY__
typedef unsigned long __old_sigset_t;
typedef struct {
unsigned long sig[_NSIG_WORDS];
} __new_sigset_t;
#ifdef __KERNEL__
/* A SunOS sigstack */
struct sigstack {
char *the_stack;
int cur_status;
};
#endif
/* Sigvec flags */
#define _SV_SSTACK 1u /* This signal handler should use sig-stack */
#define _SV_INTR 2u /* Sig return should not restart system call */
#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */
/*
* sa_flags values: SA_STACK is not currently supported, but will allow the
* usage of signal stacks by using the (now obsolete) sa_restorer field in
* the sigaction structure as a stack pointer. This is now possible due to
* the changes in signal handling. LBT 010493.
* SA_RESTART flag to get restarting signals (which were the default long ago)
*/
#define SA_NOCLDSTOP _SV_IGNCHILD
#define SA_STACK _SV_SSTACK
#define SA_ONSTACK _SV_SSTACK
#define SA_RESTART _SV_INTR
#define SA_ONESHOT _SV_RESET
#define SA_NOMASK 0x20u
#define SA_NOCLDWAIT 0x100u
#define SA_SIGINFO 0x200u
#define SIG_BLOCK 0x01 /* for blocking signals */
#define SIG_UNBLOCK 0x02 /* for unblocking signals */
#define SIG_SETMASK 0x04 /* for setting the signal mask */
/*
* sigaltstack controls
*/
#define SS_ONSTACK 1
#define SS_DISABLE 2
#define MINSIGSTKSZ 4096
#define SIGSTKSZ 16384
#ifdef __KERNEL__
/*
* DJHR
* SA_STATIC_ALLOC is used for the SPARC system to indicate that this
* interrupt handler's irq structure should be statically allocated
* by the request_irq routine.
* The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
* of interrupt usage and that sucks. Also without a flag like this
* it may be possible for the free_irq routine to attempt to free
* statically allocated data.. which is NOT GOOD.
*
*/
#define SA_STATIC_ALLOC 0x8000
#endif
#include <asm-generic/signal.h>
#ifdef __KERNEL__
struct __new_sigaction {
__sighandler_t sa_handler;
unsigned long sa_flags;
void (*sa_restorer)(void); /* Not used by Linux/SPARC */
__new_sigset_t sa_mask;
};
struct k_sigaction {
struct __new_sigaction sa;
void __user *ka_restorer;
};
struct __old_sigaction {
__sighandler_t sa_handler;
__old_sigset_t sa_mask;
unsigned long sa_flags;
void (*sa_restorer) (void); /* not used by Linux/SPARC */
};
typedef struct sigaltstack {
void __user *ss_sp;
int ss_flags;
size_t ss_size;
} stack_t;
#define ptrace_signal_deliver(regs, cookie) do { } while (0)
#endif /* !(__KERNEL__) */
#endif /* !(__ASSEMBLY__) */
#endif /* !(_ASMSPARC_SIGNAL_H) */
|
