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c5ff7001 DG |
1 | #ifndef _ASM_POWERPC_SIGNAL_H |
2 | #define _ASM_POWERPC_SIGNAL_H | |
1da177e4 | 3 | |
1da177e4 | 4 | #include <linux/types.h> |
1da177e4 LT |
5 | |
6 | #define _NSIG 64 | |
88ced031 AB |
7 | #ifdef __powerpc64__ |
8 | #define _NSIG_BPW 64 | |
9 | #else | |
10 | #define _NSIG_BPW 32 | |
11 | #endif | |
1da177e4 LT |
12 | #define _NSIG_WORDS (_NSIG / _NSIG_BPW) |
13 | ||
14 | typedef unsigned long old_sigset_t; /* at least 32 bits */ | |
15 | ||
16 | typedef struct { | |
17 | unsigned long sig[_NSIG_WORDS]; | |
18 | } sigset_t; | |
19 | ||
20 | #define SIGHUP 1 | |
21 | #define SIGINT 2 | |
22 | #define SIGQUIT 3 | |
23 | #define SIGILL 4 | |
24 | #define SIGTRAP 5 | |
25 | #define SIGABRT 6 | |
26 | #define SIGIOT 6 | |
27 | #define SIGBUS 7 | |
28 | #define SIGFPE 8 | |
29 | #define SIGKILL 9 | |
30 | #define SIGUSR1 10 | |
31 | #define SIGSEGV 11 | |
32 | #define SIGUSR2 12 | |
33 | #define SIGPIPE 13 | |
34 | #define SIGALRM 14 | |
35 | #define SIGTERM 15 | |
36 | #define SIGSTKFLT 16 | |
37 | #define SIGCHLD 17 | |
38 | #define SIGCONT 18 | |
39 | #define SIGSTOP 19 | |
40 | #define SIGTSTP 20 | |
41 | #define SIGTTIN 21 | |
42 | #define SIGTTOU 22 | |
43 | #define SIGURG 23 | |
44 | #define SIGXCPU 24 | |
45 | #define SIGXFSZ 25 | |
46 | #define SIGVTALRM 26 | |
47 | #define SIGPROF 27 | |
48 | #define SIGWINCH 28 | |
49 | #define SIGIO 29 | |
50 | #define SIGPOLL SIGIO | |
51 | /* | |
52 | #define SIGLOST 29 | |
53 | */ | |
54 | #define SIGPWR 30 | |
55 | #define SIGSYS 31 | |
56 | #define SIGUNUSED 31 | |
57 | ||
58 | /* These should not be considered constants from userland. */ | |
59 | #define SIGRTMIN 32 | |
60 | #define SIGRTMAX _NSIG | |
61 | ||
62 | /* | |
63 | * SA_FLAGS values: | |
64 | * | |
65 | * SA_ONSTACK is not currently supported, but will allow sigaltstack(2). | |
1da177e4 LT |
66 | * SA_RESTART flag to get restarting signals (which were the default long ago) |
67 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. | |
68 | * SA_RESETHAND clears the handler when the signal is delivered. | |
69 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. | |
70 | * SA_NODEFER prevents the current signal from being masked in the handler. | |
71 | * | |
72 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | |
73 | * Unix names RESETHAND and NODEFER respectively. | |
74 | */ | |
c5ff7001 DG |
75 | #define SA_NOCLDSTOP 0x00000001U |
76 | #define SA_NOCLDWAIT 0x00000002U | |
77 | #define SA_SIGINFO 0x00000004U | |
78 | #define SA_ONSTACK 0x08000000U | |
79 | #define SA_RESTART 0x10000000U | |
80 | #define SA_NODEFER 0x40000000U | |
81 | #define SA_RESETHAND 0x80000000U | |
1da177e4 LT |
82 | |
83 | #define SA_NOMASK SA_NODEFER | |
84 | #define SA_ONESHOT SA_RESETHAND | |
1da177e4 | 85 | |
c5ff7001 | 86 | #define SA_RESTORER 0x04000000U |
1da177e4 LT |
87 | |
88 | /* | |
89 | * sigaltstack controls | |
90 | */ | |
91 | #define SS_ONSTACK 1 | |
92 | #define SS_DISABLE 2 | |
93 | ||
94 | #define MINSIGSTKSZ 2048 | |
95 | #define SIGSTKSZ 8192 | |
1da177e4 | 96 | |
b1ecb4c3 | 97 | #include <asm-generic/signal.h> |
1da177e4 LT |
98 | |
99 | struct old_sigaction { | |
100 | __sighandler_t sa_handler; | |
101 | old_sigset_t sa_mask; | |
102 | unsigned long sa_flags; | |
103 | __sigrestore_t sa_restorer; | |
104 | }; | |
105 | ||
106 | struct sigaction { | |
107 | __sighandler_t sa_handler; | |
108 | unsigned long sa_flags; | |
109 | __sigrestore_t sa_restorer; | |
110 | sigset_t sa_mask; /* mask last for extensibility */ | |
111 | }; | |
112 | ||
113 | struct k_sigaction { | |
114 | struct sigaction sa; | |
115 | }; | |
116 | ||
117 | typedef struct sigaltstack { | |
118 | void __user *ss_sp; | |
119 | int ss_flags; | |
120 | size_t ss_size; | |
121 | } stack_t; | |
122 | ||
123 | #ifdef __KERNEL__ | |
c5ff7001 DG |
124 | struct pt_regs; |
125 | extern int do_signal(sigset_t *oldset, struct pt_regs *regs); | |
126 | extern int do_signal32(sigset_t *oldset, struct pt_regs *regs); | |
1da177e4 LT |
127 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) |
128 | #endif /* __KERNEL__ */ | |
129 | ||
c5ff7001 | 130 | #ifndef __powerpc64__ |
1da177e4 LT |
131 | /* |
132 | * These are parameters to dbg_sigreturn syscall. They enable or | |
133 | * disable certain debugging things that can be done from signal | |
134 | * handlers. The dbg_sigreturn syscall *must* be called from a | |
135 | * SA_SIGINFO signal so the ucontext can be passed to it. It takes an | |
136 | * array of struct sig_dbg_op, which has the debug operations to | |
137 | * perform before returning from the signal. | |
138 | */ | |
139 | struct sig_dbg_op { | |
140 | int dbg_type; | |
141 | unsigned long dbg_value; | |
142 | }; | |
143 | ||
144 | /* Enable or disable single-stepping. The value sets the state. */ | |
145 | #define SIG_DBG_SINGLE_STEPPING 1 | |
146 | ||
147 | /* Enable or disable branch tracing. The value sets the state. */ | |
148 | #define SIG_DBG_BRANCH_TRACING 2 | |
c5ff7001 | 149 | #endif /* ! __powerpc64__ */ |
1da177e4 | 150 | |
c5ff7001 | 151 | #endif /* _ASM_POWERPC_SIGNAL_H */ |