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>
9 #include <linux/personality.h>
10 #include <linux/types.h>
11 #include <linux/compat.h>
15 /* On the Sparc the signal handlers get passed a 'sub-signal' code
16 * for certain signal types, which we document here.
22 #define SUBSIG_STACK 0
23 #define SUBSIG_ILLINST 2
24 #define SUBSIG_PRIVINST 3
25 #define SUBSIG_BADTRAP(t) (0x80 + (t))
35 #define SUBSIG_FPDISABLED 0x400
36 #define SUBSIG_FPERROR 0x404
37 #define SUBSIG_FPINTOVFL 0x001
38 #define SUBSIG_FPSTSIG 0x002
39 #define SUBSIG_IDIVZERO 0x014
40 #define SUBSIG_FPINEXACT 0x0c4
41 #define SUBSIG_FPDIVZERO 0x0c8
42 #define SUBSIG_FPUNFLOW 0x0cc
43 #define SUBSIG_FPOPERROR 0x0d0
44 #define SUBSIG_FPOVFLOW 0x0d4
48 #define SUBSIG_BUSTIMEOUT 1
49 #define SUBSIG_ALIGNMENT 2
50 #define SUBSIG_MISCERROR 5
53 #define SUBSIG_NOMAPPING 3
54 #define SUBSIG_PROTECTION 4
55 #define SUBSIG_SEGERROR 5
64 /* SunOS values which deviate from the Linux/i386 ones */
72 #define SIGPOLL SIGIO /* SysV name for SIGIO */
79 #define SIGPWR SIGLOST
83 /* Most things should be clean enough to redefine this at will, if care
84 is taken to make libc match. */
89 #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
92 #define SIGRTMAX __NEW_NSIG
94 #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
95 #define _NSIG __NEW_NSIG
96 #define __new_sigset_t sigset_t
97 #define __new_sigaction sigaction
98 #define __new_sigaction32 sigaction32
99 #define __old_sigset_t old_sigset_t
100 #define __old_sigaction old_sigaction
101 #define __old_sigaction32 old_sigaction32
103 #define _NSIG __OLD_NSIG
105 #define __old_sigset_t sigset_t
106 #define __old_sigaction sigaction
107 #define __old_sigaction32 sigaction32
112 typedef unsigned long __old_sigset_t; /* at least 32 bits */
115 unsigned long sig[_NSIG_WORDS];
118 /* A SunOS sigstack */
120 /* XXX 32-bit pointers pinhead XXX */
126 #define _SV_SSTACK 1u /* This signal handler should use sig-stack */
127 #define _SV_INTR 2u /* Sig return should not restart system call */
128 #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
129 #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */
132 * sa_flags values: SA_STACK is not currently supported, but will allow the
133 * usage of signal stacks by using the (now obsolete) sa_restorer field in
134 * the sigaction structure as a stack pointer. This is now possible due to
135 * the changes in signal handling. LBT 010493.
136 * SA_RESTART flag to get restarting signals (which were the default long ago)
138 #define SA_NOCLDSTOP _SV_IGNCHILD
139 #define SA_STACK _SV_SSTACK
140 #define SA_ONSTACK _SV_SSTACK
141 #define SA_RESTART _SV_INTR
142 #define SA_ONESHOT _SV_RESET
143 #define SA_NOMASK 0x20u
144 #define SA_NOCLDWAIT 0x100u
145 #define SA_SIGINFO 0x200u
148 #define SIG_BLOCK 0x01 /* for blocking signals */
149 #define SIG_UNBLOCK 0x02 /* for unblocking signals */
150 #define SIG_SETMASK 0x04 /* for setting the signal mask */
153 * sigaltstack controls
158 #define MINSIGSTKSZ 4096
159 #define SIGSTKSZ 16384
161 #include <asm-generic/signal.h>
163 struct __new_sigaction {
164 __sighandler_t sa_handler;
165 unsigned long sa_flags;
166 __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
167 __new_sigset_t sa_mask;
173 struct __new_sigaction32 {
175 unsigned int sa_flags;
176 unsigned sa_restorer; /* not used by Linux/SPARC yet */
177 compat_sigset_t sa_mask;
182 struct __new_sigaction sa;
183 void __user *ka_restorer;
187 struct __old_sigaction {
188 __sighandler_t sa_handler;
189 __old_sigset_t sa_mask;
190 unsigned long sa_flags;
191 void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
197 struct __old_sigaction32 {
199 compat_old_sigset_t sa_mask;
200 unsigned int sa_flags;
201 unsigned sa_restorer; /* not used by Linux/SPARC yet */
207 typedef struct sigaltstack {
216 typedef struct sigaltstack32 {
219 compat_size_t ss_size;
223 struct signal_deliver_cookie {
225 unsigned long orig_i0;
229 extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
231 #endif /* !(__KERNEL__) */
233 #endif /* !(__ASSEMBLY__) */
235 #endif /* !(_ASMSPARC64_SIGNAL_H) */