1 #ifndef __SPARC_SIGNAL_H
2 #define __SPARC_SIGNAL_H
3
4 #include <asm/sigcontext.h>
5 #include <linux/compiler.h>
6
7 #ifdef __KERNEL__
8 #ifndef __ASSEMBLY__
9 #include <linux/personality.h>
10 #include <linux/types.h>
11 #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 #ifdef __arch64__
88 #define _NSIG_BPW 64
89 #else
90 #define _NSIG_BPW 32
91 #endif
92 #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
93
94 #define SIGRTMIN 32
95 #define SIGRTMAX __NEW_NSIG
96
97 #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
98 #define _NSIG __NEW_NSIG
99 #define __new_sigset_t sigset_t
100 #define __new_sigaction sigaction
101 #define __new_sigaction32 sigaction32
102 #define __old_sigset_t old_sigset_t
103 #define __old_sigaction old_sigaction
104 #define __old_sigaction32 old_sigaction32
105 #else
106 #define _NSIG __OLD_NSIG
107 #define NSIG _NSIG
108 #define __old_sigset_t sigset_t
109 #define __old_sigaction sigaction
110 #define __old_sigaction32 sigaction32
111 #endif
112
113 #ifndef __ASSEMBLY__
114
115 typedef unsigned long __old_sigset_t; /* at least 32 bits */
116
117 typedef struct {
118 unsigned long sig[_NSIG_WORDS];
119 } __new_sigset_t;
120
121 /* A SunOS sigstack */
122 struct sigstack {
123 /* XXX 32-bit pointers pinhead XXX */
124 char *the_stack;
125 int cur_status;
126 };
127
128 /* Sigvec flags */
129 #define _SV_SSTACK 1u /* This signal handler should use sig-stack */
130 #define _SV_INTR 2u /* Sig return should not restart system call */
131 #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
132 #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */
133
134 /*
135 * sa_flags values: SA_STACK is not currently supported, but will allow the
136 * usage of signal stacks by using the (now obsolete) sa_restorer field in
137 * the sigaction structure as a stack pointer. This is now possible due to
138 * the changes in signal handling. LBT 010493.
139 * SA_RESTART flag to get restarting signals (which were the default long ago)
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_NOMASK 0x20u
147 #define SA_NOCLDWAIT 0x100u
148 #define SA_SIGINFO 0x200u
149
150
151 #define SIG_BLOCK 0x01 /* for blocking signals */
152 #define SIG_UNBLOCK 0x02 /* for unblocking signals */
153 #define SIG_SETMASK 0x04 /* for setting the signal mask */
154
155 /*
156 * sigaltstack controls
157 */
158 #define SS_ONSTACK 1
159 #define SS_DISABLE 2
160
161 #define MINSIGSTKSZ 4096
162 #define SIGSTKSZ 16384
163
164 #ifdef __KERNEL__
165 /*
166 * DJHR
167 * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this
168 * interrupt handler's irq structure should be statically allocated
169 * by the request_irq routine.
170 * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
171 * of interrupt usage and that sucks. Also without a flag like this
172 * it may be possible for the free_irq routine to attempt to free
173 * statically allocated data.. which is NOT GOOD.
174 *
175 */
176 #define SA_STATIC_ALLOC 0x8000
177 #endif
178
179 #include <asm-generic/signal-defs.h>
180
181 struct __new_sigaction {
182 __sighandler_t sa_handler;
183 unsigned long sa_flags;
184 __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
185 __new_sigset_t sa_mask;
186 };
187
188 struct __old_sigaction {
189 __sighandler_t sa_handler;
190 __old_sigset_t sa_mask;
191 unsigned long sa_flags;
192 void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
193 };
194 #define __ARCH_HAS_SA_RESTORER
195
196 typedef struct sigaltstack {
197 void __user *ss_sp;
198 int ss_flags;
199 size_t ss_size;
200 } stack_t;
201
202 #ifdef __KERNEL__
203
204 struct k_sigaction {
205 struct __new_sigaction sa;
206 void __user *ka_restorer;
207 };
208
209 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
210
211 #endif /* !(__KERNEL__) */
212
213 #endif /* !(__ASSEMBLY__) */
214
215 #endif /* !(__SPARC_SIGNAL_H) */
216
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.