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1 | #ifndef _ASMSPARC64_SIGNAL_H |
2 | #define _ASMSPARC64_SIGNAL_H | |
3 | ||
4 | #include <asm/sigcontext.h> | |
5 | ||
6 | #ifdef __KERNEL__ | |
7 | #ifndef __ASSEMBLY__ | |
8 | #include <linux/personality.h> | |
9 | #include <linux/types.h> | |
10 | #endif | |
11 | #endif | |
12 | ||
13 | /* On the Sparc the signal handlers get passed a 'sub-signal' code | |
14 | * for certain signal types, which we document here. | |
15 | */ | |
16 | #define SIGHUP 1 | |
17 | #define SIGINT 2 | |
18 | #define SIGQUIT 3 | |
19 | #define SIGILL 4 | |
20 | #define SUBSIG_STACK 0 | |
21 | #define SUBSIG_ILLINST 2 | |
22 | #define SUBSIG_PRIVINST 3 | |
23 | #define SUBSIG_BADTRAP(t) (0x80 + (t)) | |
24 | ||
25 | #define SIGTRAP 5 | |
26 | #define SIGABRT 6 | |
27 | #define SIGIOT 6 | |
28 | ||
29 | #define SIGEMT 7 | |
30 | #define SUBSIG_TAG 10 | |
31 | ||
32 | #define SIGFPE 8 | |
33 | #define SUBSIG_FPDISABLED 0x400 | |
34 | #define SUBSIG_FPERROR 0x404 | |
35 | #define SUBSIG_FPINTOVFL 0x001 | |
36 | #define SUBSIG_FPSTSIG 0x002 | |
37 | #define SUBSIG_IDIVZERO 0x014 | |
38 | #define SUBSIG_FPINEXACT 0x0c4 | |
39 | #define SUBSIG_FPDIVZERO 0x0c8 | |
40 | #define SUBSIG_FPUNFLOW 0x0cc | |
41 | #define SUBSIG_FPOPERROR 0x0d0 | |
42 | #define SUBSIG_FPOVFLOW 0x0d4 | |
43 | ||
44 | #define SIGKILL 9 | |
45 | #define SIGBUS 10 | |
46 | #define SUBSIG_BUSTIMEOUT 1 | |
47 | #define SUBSIG_ALIGNMENT 2 | |
48 | #define SUBSIG_MISCERROR 5 | |
49 | ||
50 | #define SIGSEGV 11 | |
51 | #define SUBSIG_NOMAPPING 3 | |
52 | #define SUBSIG_PROTECTION 4 | |
53 | #define SUBSIG_SEGERROR 5 | |
54 | ||
55 | #define SIGSYS 12 | |
56 | ||
57 | #define SIGPIPE 13 | |
58 | #define SIGALRM 14 | |
59 | #define SIGTERM 15 | |
60 | #define SIGURG 16 | |
61 | ||
62 | /* SunOS values which deviate from the Linux/i386 ones */ | |
63 | #define SIGSTOP 17 | |
64 | #define SIGTSTP 18 | |
65 | #define SIGCONT 19 | |
66 | #define SIGCHLD 20 | |
67 | #define SIGTTIN 21 | |
68 | #define SIGTTOU 22 | |
69 | #define SIGIO 23 | |
70 | #define SIGPOLL SIGIO /* SysV name for SIGIO */ | |
71 | #define SIGXCPU 24 | |
72 | #define SIGXFSZ 25 | |
73 | #define SIGVTALRM 26 | |
74 | #define SIGPROF 27 | |
75 | #define SIGWINCH 28 | |
76 | #define SIGLOST 29 | |
77 | #define SIGPWR SIGLOST | |
78 | #define SIGUSR1 30 | |
79 | #define SIGUSR2 31 | |
80 | ||
81 | /* Most things should be clean enough to redefine this at will, if care | |
82 | is taken to make libc match. */ | |
83 | ||
84 | #define __OLD_NSIG 32 | |
85 | #define __NEW_NSIG 64 | |
86 | #define _NSIG_BPW 64 | |
87 | #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) | |
88 | ||
89 | #define SIGRTMIN 32 | |
90 | #define SIGRTMAX __NEW_NSIG | |
91 | ||
92 | #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) | |
93 | #define _NSIG __NEW_NSIG | |
94 | #define __new_sigset_t sigset_t | |
95 | #define __new_sigaction sigaction | |
96 | #define __new_sigaction32 sigaction32 | |
97 | #define __old_sigset_t old_sigset_t | |
98 | #define __old_sigaction old_sigaction | |
99 | #define __old_sigaction32 old_sigaction32 | |
100 | #else | |
101 | #define _NSIG __OLD_NSIG | |
102 | #define NSIG _NSIG | |
103 | #define __old_sigset_t sigset_t | |
104 | #define __old_sigaction sigaction | |
105 | #define __old_sigaction32 sigaction32 | |
106 | #endif | |
107 | ||
108 | #ifndef __ASSEMBLY__ | |
109 | ||
110 | typedef unsigned long __old_sigset_t; /* at least 32 bits */ | |
111 | ||
112 | typedef struct { | |
113 | unsigned long sig[_NSIG_WORDS]; | |
114 | } __new_sigset_t; | |
115 | ||
116 | /* A SunOS sigstack */ | |
117 | struct sigstack { | |
118 | /* XXX 32-bit pointers pinhead XXX */ | |
119 | char *the_stack; | |
120 | int cur_status; | |
121 | }; | |
122 | ||
123 | /* Sigvec flags */ | |
124 | #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ | |
125 | #define _SV_INTR 2u /* Sig return should not restart system call */ | |
126 | #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ | |
127 | #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ | |
128 | ||
129 | /* | |
130 | * sa_flags values: SA_STACK is not currently supported, but will allow the | |
131 | * usage of signal stacks by using the (now obsolete) sa_restorer field in | |
132 | * the sigaction structure as a stack pointer. This is now possible due to | |
133 | * the changes in signal handling. LBT 010493. | |
134 | * SA_RESTART flag to get restarting signals (which were the default long ago) | |
135 | */ | |
136 | #define SA_NOCLDSTOP _SV_IGNCHILD | |
137 | #define SA_STACK _SV_SSTACK | |
138 | #define SA_ONSTACK _SV_SSTACK | |
139 | #define SA_RESTART _SV_INTR | |
140 | #define SA_ONESHOT _SV_RESET | |
141 | #define SA_NOMASK 0x20u | |
142 | #define SA_NOCLDWAIT 0x100u | |
143 | #define SA_SIGINFO 0x200u | |
144 | ||
145 | ||
146 | #define SIG_BLOCK 0x01 /* for blocking signals */ | |
147 | #define SIG_UNBLOCK 0x02 /* for unblocking signals */ | |
148 | #define SIG_SETMASK 0x04 /* for setting the signal mask */ | |
149 | ||
150 | /* | |
151 | * sigaltstack controls | |
152 | */ | |
153 | #define SS_ONSTACK 1 | |
154 | #define SS_DISABLE 2 | |
155 | ||
156 | #define MINSIGSTKSZ 4096 | |
157 | #define SIGSTKSZ 16384 | |
158 | ||
159 | #include <asm-generic/signal.h> | |
160 | ||
161 | struct __new_sigaction { | |
162 | __sighandler_t sa_handler; | |
163 | unsigned long sa_flags; | |
164 | __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ | |
165 | __new_sigset_t sa_mask; | |
166 | }; | |
167 | ||
168 | struct __old_sigaction { | |
169 | __sighandler_t sa_handler; | |
170 | __old_sigset_t sa_mask; | |
171 | unsigned long sa_flags; | |
172 | void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ | |
173 | }; | |
174 | ||
175 | typedef struct sigaltstack { | |
176 | void __user *ss_sp; | |
177 | int ss_flags; | |
178 | size_t ss_size; | |
179 | } stack_t; | |
180 | ||
181 | #ifdef __KERNEL__ | |
182 | ||
183 | struct k_sigaction { | |
184 | struct __new_sigaction sa; | |
185 | void __user *ka_restorer; | |
186 | }; | |
187 | ||
188 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | |
189 | ||
190 | #endif /* !(__KERNEL__) */ | |
191 | ||
192 | #endif /* !(__ASSEMBLY__) */ | |
193 | ||
194 | #endif /* !(_ASMSPARC64_SIGNAL_H) */ |