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Linux kernel mirror (for testing)
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linux
1#ifndef _ASM_POWERPC_SIGNAL_H
2#define _ASM_POWERPC_SIGNAL_H
3
4#include <linux/types.h>
5#include <linux/config.h>
6
7#define _NSIG 64
8#define _NSIG_BPW BITS_PER_LONG
9#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
10
11typedef unsigned long old_sigset_t; /* at least 32 bits */
12
13typedef struct {
14 unsigned long sig[_NSIG_WORDS];
15} sigset_t;
16
17#define SIGHUP 1
18#define SIGINT 2
19#define SIGQUIT 3
20#define SIGILL 4
21#define SIGTRAP 5
22#define SIGABRT 6
23#define SIGIOT 6
24#define SIGBUS 7
25#define SIGFPE 8
26#define SIGKILL 9
27#define SIGUSR1 10
28#define SIGSEGV 11
29#define SIGUSR2 12
30#define SIGPIPE 13
31#define SIGALRM 14
32#define SIGTERM 15
33#define SIGSTKFLT 16
34#define SIGCHLD 17
35#define SIGCONT 18
36#define SIGSTOP 19
37#define SIGTSTP 20
38#define SIGTTIN 21
39#define SIGTTOU 22
40#define SIGURG 23
41#define SIGXCPU 24
42#define SIGXFSZ 25
43#define SIGVTALRM 26
44#define SIGPROF 27
45#define SIGWINCH 28
46#define SIGIO 29
47#define SIGPOLL SIGIO
48/*
49#define SIGLOST 29
50*/
51#define SIGPWR 30
52#define SIGSYS 31
53#define SIGUNUSED 31
54
55/* These should not be considered constants from userland. */
56#define SIGRTMIN 32
57#define SIGRTMAX _NSIG
58
59/*
60 * SA_FLAGS values:
61 *
62 * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
63 * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
64 * SA_RESTART flag to get restarting signals (which were the default long ago)
65 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
66 * SA_RESETHAND clears the handler when the signal is delivered.
67 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
68 * SA_NODEFER prevents the current signal from being masked in the handler.
69 *
70 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
71 * Unix names RESETHAND and NODEFER respectively.
72 */
73#define SA_NOCLDSTOP 0x00000001U
74#define SA_NOCLDWAIT 0x00000002U
75#define SA_SIGINFO 0x00000004U
76#define SA_ONSTACK 0x08000000U
77#define SA_RESTART 0x10000000U
78#define SA_NODEFER 0x40000000U
79#define SA_RESETHAND 0x80000000U
80
81#define SA_NOMASK SA_NODEFER
82#define SA_ONESHOT SA_RESETHAND
83#define SA_INTERRUPT 0x20000000u /* dummy -- ignored */
84
85#define SA_RESTORER 0x04000000U
86
87/*
88 * sigaltstack controls
89 */
90#define SS_ONSTACK 1
91#define SS_DISABLE 2
92
93#define MINSIGSTKSZ 2048
94#define SIGSTKSZ 8192
95
96#include <asm-generic/signal.h>
97
98struct old_sigaction {
99 __sighandler_t sa_handler;
100 old_sigset_t sa_mask;
101 unsigned long sa_flags;
102 __sigrestore_t sa_restorer;
103};
104
105struct sigaction {
106 __sighandler_t sa_handler;
107 unsigned long sa_flags;
108 __sigrestore_t sa_restorer;
109 sigset_t sa_mask; /* mask last for extensibility */
110};
111
112struct k_sigaction {
113 struct sigaction sa;
114};
115
116typedef struct sigaltstack {
117 void __user *ss_sp;
118 int ss_flags;
119 size_t ss_size;
120} stack_t;
121
122#ifdef __KERNEL__
123struct pt_regs;
124extern int do_signal(sigset_t *oldset, struct pt_regs *regs);
125extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
126#define ptrace_signal_deliver(regs, cookie) do { } while (0)
127#endif /* __KERNEL__ */
128
129#ifndef __powerpc64__
130/*
131 * These are parameters to dbg_sigreturn syscall. They enable or
132 * disable certain debugging things that can be done from signal
133 * handlers. The dbg_sigreturn syscall *must* be called from a
134 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an
135 * array of struct sig_dbg_op, which has the debug operations to
136 * perform before returning from the signal.
137 */
138struct sig_dbg_op {
139 int dbg_type;
140 unsigned long dbg_value;
141};
142
143/* Enable or disable single-stepping. The value sets the state. */
144#define SIG_DBG_SINGLE_STEPPING 1
145
146/* Enable or disable branch tracing. The value sets the state. */
147#define SIG_DBG_BRANCH_TRACING 2
148#endif /* ! __powerpc64__ */
149
150#endif /* _ASM_POWERPC_SIGNAL_H */