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1da177e4 LT |
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 | |
4 | ||
5 | #include <asm/sigcontext.h> | |
6 | ||
7 | #ifdef __KERNEL__ | |
8 | #ifndef __ASSEMBLY__ | |
1da177e4 LT |
9 | #include <linux/personality.h> |
10 | #include <linux/types.h> | |
1da177e4 LT |
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 | #define _NSIG_BPW 64 | |
88 | #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) | |
89 | ||
90 | #define SIGRTMIN 32 | |
91 | #define SIGRTMAX __NEW_NSIG | |
92 | ||
93 | #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) | |
94 | #define _NSIG __NEW_NSIG | |
95 | #define __new_sigset_t sigset_t | |
96 | #define __new_sigaction sigaction | |
97 | #define __new_sigaction32 sigaction32 | |
98 | #define __old_sigset_t old_sigset_t | |
99 | #define __old_sigaction old_sigaction | |
100 | #define __old_sigaction32 old_sigaction32 | |
101 | #else | |
102 | #define _NSIG __OLD_NSIG | |
103 | #define NSIG _NSIG | |
104 | #define __old_sigset_t sigset_t | |
105 | #define __old_sigaction sigaction | |
106 | #define __old_sigaction32 sigaction32 | |
107 | #endif | |
108 | ||
109 | #ifndef __ASSEMBLY__ | |
110 | ||
111 | typedef unsigned long __old_sigset_t; /* at least 32 bits */ | |
112 | ||
113 | typedef struct { | |
114 | unsigned long sig[_NSIG_WORDS]; | |
115 | } __new_sigset_t; | |
116 | ||
117 | /* A SunOS sigstack */ | |
118 | struct sigstack { | |
119 | /* XXX 32-bit pointers pinhead XXX */ | |
120 | char *the_stack; | |
121 | int cur_status; | |
122 | }; | |
123 | ||
124 | /* Sigvec flags */ | |
125 | #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ | |
126 | #define _SV_INTR 2u /* Sig return should not restart system call */ | |
127 | #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ | |
128 | #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ | |
129 | ||
130 | /* | |
131 | * sa_flags values: SA_STACK is not currently supported, but will allow the | |
132 | * usage of signal stacks by using the (now obsolete) sa_restorer field in | |
133 | * the sigaction structure as a stack pointer. This is now possible due to | |
134 | * the changes in signal handling. LBT 010493. | |
1da177e4 | 135 | * SA_RESTART flag to get restarting signals (which were the default long ago) |
1da177e4 LT |
136 | */ |
137 | #define SA_NOCLDSTOP _SV_IGNCHILD | |
138 | #define SA_STACK _SV_SSTACK | |
139 | #define SA_ONSTACK _SV_SSTACK | |
140 | #define SA_RESTART _SV_INTR | |
141 | #define SA_ONESHOT _SV_RESET | |
1da177e4 | 142 | #define SA_NOMASK 0x20u |
1da177e4 LT |
143 | #define SA_NOCLDWAIT 0x100u |
144 | #define SA_SIGINFO 0x200u | |
145 | ||
146 | ||
147 | #define SIG_BLOCK 0x01 /* for blocking signals */ | |
148 | #define SIG_UNBLOCK 0x02 /* for unblocking signals */ | |
149 | #define SIG_SETMASK 0x04 /* for setting the signal mask */ | |
150 | ||
151 | /* | |
152 | * sigaltstack controls | |
153 | */ | |
154 | #define SS_ONSTACK 1 | |
155 | #define SS_DISABLE 2 | |
156 | ||
157 | #define MINSIGSTKSZ 4096 | |
158 | #define SIGSTKSZ 16384 | |
159 | ||
b1ecb4c3 | 160 | #include <asm-generic/signal.h> |
1da177e4 LT |
161 | |
162 | struct __new_sigaction { | |
163 | __sighandler_t sa_handler; | |
164 | unsigned long sa_flags; | |
165 | __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ | |
166 | __new_sigset_t sa_mask; | |
167 | }; | |
168 | ||
1da177e4 LT |
169 | struct __old_sigaction { |
170 | __sighandler_t sa_handler; | |
171 | __old_sigset_t sa_mask; | |
172 | unsigned long sa_flags; | |
173 | void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ | |
174 | }; | |
175 | ||
1da177e4 LT |
176 | typedef struct sigaltstack { |
177 | void __user *ss_sp; | |
178 | int ss_flags; | |
179 | size_t ss_size; | |
180 | } stack_t; | |
181 | ||
182 | #ifdef __KERNEL__ | |
183 | ||
14cc6aba DM |
184 | struct k_sigaction { |
185 | struct __new_sigaction sa; | |
186 | void __user *ka_restorer; | |
187 | }; | |
1da177e4 LT |
188 | |
189 | struct signal_deliver_cookie { | |
190 | int restart_syscall; | |
191 | unsigned long orig_i0; | |
192 | }; | |
193 | ||
194 | struct pt_regs; | |
195 | extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie); | |
196 | ||
197 | #endif /* !(__KERNEL__) */ | |
198 | ||
199 | #endif /* !(__ASSEMBLY__) */ | |
200 | ||
201 | #endif /* !(_ASMSPARC64_SIGNAL_H) */ |