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[linux-2.6/verdex.git] / include / asm-sparc64 / signal.h
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1 /* $Id: signal.h,v 1.9 1999/09/06 08:22:11 jj Exp $ */
2 #ifndef _ASMSPARC64_SIGNAL_H
3 #define _ASMSPARC64_SIGNAL_H
5 #include <asm/sigcontext.h>
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
16 /* On the Sparc the signal handlers get passed a 'sub-signal' code
17 * for certain signal types, which we document here.
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))
28 #define SIGTRAP 5
29 #define SIGABRT 6
30 #define SIGIOT 6
32 #define SIGEMT 7
33 #define SUBSIG_TAG 10
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
47 #define SIGKILL 9
48 #define SIGBUS 10
49 #define SUBSIG_BUSTIMEOUT 1
50 #define SUBSIG_ALIGNMENT 2
51 #define SUBSIG_MISCERROR 5
53 #define SIGSEGV 11
54 #define SUBSIG_NOMAPPING 3
55 #define SUBSIG_PROTECTION 4
56 #define SUBSIG_SEGERROR 5
58 #define SIGSYS 12
60 #define SIGPIPE 13
61 #define SIGALRM 14
62 #define SIGTERM 15
63 #define SIGURG 16
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
84 /* Most things should be clean enough to redefine this at will, if care
85 is taken to make libc match. */
87 #define __OLD_NSIG 32
88 #define __NEW_NSIG 64
89 #define _NSIG_BPW 64
90 #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
92 #define SIGRTMIN 32
93 #define SIGRTMAX __NEW_NSIG
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
111 #ifndef __ASSEMBLY__
113 typedef unsigned long __old_sigset_t; /* at least 32 bits */
115 typedef struct {
116 unsigned long sig[_NSIG_WORDS];
117 } __new_sigset_t;
119 /* A SunOS sigstack */
120 struct sigstack {
121 /* XXX 32-bit pointers pinhead XXX */
122 char *the_stack;
123 int cur_status;
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 */
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.
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
148 #define SA_NOCLDWAIT 0x100u
149 #define SA_SIGINFO 0x200u
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 */
157 * sigaltstack controls
159 #define SS_ONSTACK 1
160 #define SS_DISABLE 2
162 #define MINSIGSTKSZ 4096
163 #define SIGSTKSZ 16384
165 #ifdef __KERNEL__
167 * DJHR
168 * SA_STATIC_ALLOC is used for the SPARC system to indicate that this
169 * interrupt handler's irq structure should be statically allocated
170 * by the request_irq routine.
171 * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
172 * of interrupt usage and that sucks. Also without a flag like this
173 * it may be possible for the free_irq routine to attempt to free
174 * statically allocated data.. which is NOT GOOD.
177 #define SA_STATIC_ALLOC 0x80
178 #endif
180 #include <asm-generic/signal.h>
182 struct __new_sigaction {
183 __sighandler_t sa_handler;
184 unsigned long sa_flags;
185 __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
186 __new_sigset_t sa_mask;
189 #ifdef __KERNEL__
191 #ifdef CONFIG_COMPAT
192 struct __new_sigaction32 {
193 unsigned sa_handler;
194 unsigned int sa_flags;
195 unsigned sa_restorer; /* not used by Linux/SPARC yet */
196 compat_sigset_t sa_mask;
198 #endif
200 struct k_sigaction {
201 struct __new_sigaction sa;
202 void __user *ka_restorer;
204 #endif
206 struct __old_sigaction {
207 __sighandler_t sa_handler;
208 __old_sigset_t sa_mask;
209 unsigned long sa_flags;
210 void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
213 #ifdef __KERNEL__
215 #ifdef CONFIG_COMPAT
216 struct __old_sigaction32 {
217 unsigned sa_handler;
218 compat_old_sigset_t sa_mask;
219 unsigned int sa_flags;
220 unsigned sa_restorer; /* not used by Linux/SPARC yet */
222 #endif
224 #endif
226 typedef struct sigaltstack {
227 void __user *ss_sp;
228 int ss_flags;
229 size_t ss_size;
230 } stack_t;
232 #ifdef __KERNEL__
234 #ifdef CONFIG_COMPAT
235 typedef struct sigaltstack32 {
236 u32 ss_sp;
237 int ss_flags;
238 compat_size_t ss_size;
239 } stack_t32;
240 #endif
242 struct signal_deliver_cookie {
243 int restart_syscall;
244 unsigned long orig_i0;
247 struct pt_regs;
248 extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
250 #endif /* !(__KERNEL__) */
252 #endif /* !(__ASSEMBLY__) */
254 #endif /* !(_ASMSPARC64_SIGNAL_H) */