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1#ifndef _ASM_POWERPC_SIGNAL_H
2#define _ASM_POWERPC_SIGNAL_H
3
4#define __ARCH_HAS_SA_RESTORER
5#include <uapi/asm/signal.h>
6#include <uapi/asm/ptrace.h>
7
8extern unsigned long get_tm_stackpointer(struct pt_regs *regs);
9
10#endif /* _ASM_POWERPC_SIGNAL_H */
1#ifndef _ASM_POWERPC_SIGNAL_H
2#define _ASM_POWERPC_SIGNAL_H
3
4#include <linux/types.h>
5
6#define _NSIG 64
7#ifdef __powerpc64__
8#define _NSIG_BPW 64
9#else
10#define _NSIG_BPW 32
11#endif
12#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
13
14typedef unsigned long old_sigset_t; /* at least 32 bits */
15
16typedef 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).
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 */
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
82
83#define SA_NOMASK SA_NODEFER
84#define SA_ONESHOT SA_RESETHAND
85
86#define SA_RESTORER 0x04000000U
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
96
97#include <asm-generic/signal-defs.h>
98
99struct 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
106struct 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
113struct k_sigaction {
114 struct sigaction sa;
115};
116
117typedef struct sigaltstack {
118 void __user *ss_sp;
119 int ss_flags;
120 size_t ss_size;
121} stack_t;
122
123#ifdef __KERNEL__
124struct pt_regs;
125#define ptrace_signal_deliver(regs, cookie) do { } while (0)
126#endif /* __KERNEL__ */
127
128#ifndef __powerpc64__
129/*
130 * These are parameters to dbg_sigreturn syscall. They enable or
131 * disable certain debugging things that can be done from signal
132 * handlers. The dbg_sigreturn syscall *must* be called from a
133 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an
134 * array of struct sig_dbg_op, which has the debug operations to
135 * perform before returning from the signal.
136 */
137struct sig_dbg_op {
138 int dbg_type;
139 unsigned long dbg_value;
140};
141
142/* Enable or disable single-stepping. The value sets the state. */
143#define SIG_DBG_SINGLE_STEPPING 1
144
145/* Enable or disable branch tracing. The value sets the state. */
146#define SIG_DBG_BRANCH_TRACING 2
147#endif /* ! __powerpc64__ */
148
149#endif /* _ASM_POWERPC_SIGNAL_H */