1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _ASM_POWERPC_SIGNAL_H
3#define _ASM_POWERPC_SIGNAL_H
4
5#include <linux/types.h>
6
7#define _NSIG 64
8#ifdef __powerpc64__
9#define _NSIG_BPW 64
10#else
11#define _NSIG_BPW 32
12#endif
13#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
14
15typedef unsigned long old_sigset_t; /* at least 32 bits */
16
17typedef struct {
18 unsigned long sig[_NSIG_WORDS];
19} sigset_t;
20
21#define SIGHUP 1
22#define SIGINT 2
23#define SIGQUIT 3
24#define SIGILL 4
25#define SIGTRAP 5
26#define SIGABRT 6
27#define SIGIOT 6
28#define SIGBUS 7
29#define SIGFPE 8
30#define SIGKILL 9
31#define SIGUSR1 10
32#define SIGSEGV 11
33#define SIGUSR2 12
34#define SIGPIPE 13
35#define SIGALRM 14
36#define SIGTERM 15
37#define SIGSTKFLT 16
38#define SIGCHLD 17
39#define SIGCONT 18
40#define SIGSTOP 19
41#define SIGTSTP 20
42#define SIGTTIN 21
43#define SIGTTOU 22
44#define SIGURG 23
45#define SIGXCPU 24
46#define SIGXFSZ 25
47#define SIGVTALRM 26
48#define SIGPROF 27
49#define SIGWINCH 28
50#define SIGIO 29
51#define SIGPOLL SIGIO
52/*
53#define SIGLOST 29
54*/
55#define SIGPWR 30
56#define SIGSYS 31
57#define SIGUNUSED 31
58
59/* These should not be considered constants from userland. */
60#define SIGRTMIN 32
61#define SIGRTMAX _NSIG
62
63#define SA_RESTORER 0x04000000U
64
65#ifdef __powerpc64__
66#define MINSIGSTKSZ 8192
67#define SIGSTKSZ 32768
68#else
69#define MINSIGSTKSZ 2048
70#define SIGSTKSZ 8192
71#endif
72
73#include <asm-generic/signal-defs.h>
74
75struct old_sigaction {
76 __sighandler_t sa_handler;
77 old_sigset_t sa_mask;
78 unsigned long sa_flags;
79 __sigrestore_t sa_restorer;
80};
81
82struct sigaction {
83 __sighandler_t sa_handler;
84 unsigned long sa_flags;
85 __sigrestore_t sa_restorer;
86 sigset_t sa_mask; /* mask last for extensibility */
87};
88
89typedef struct sigaltstack {
90 void *ss_sp;
91 int ss_flags;
92 __kernel_size_t ss_size;
93} stack_t;
94
95
96#ifndef __powerpc64__
97/*
98 * These are parameters to dbg_sigreturn syscall. They enable or
99 * disable certain debugging things that can be done from signal
100 * handlers. The dbg_sigreturn syscall *must* be called from a
101 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an
102 * array of struct sig_dbg_op, which has the debug operations to
103 * perform before returning from the signal.
104 */
105struct sig_dbg_op {
106 int dbg_type;
107 unsigned long dbg_value;
108};
109
110/* Enable or disable single-stepping. The value sets the state. */
111#define SIG_DBG_SINGLE_STEPPING 1
112
113/* Enable or disable branch tracing. The value sets the state. */
114#define SIG_DBG_BRANCH_TRACING 2
115#endif /* ! __powerpc64__ */
116
117#endif /* _ASM_POWERPC_SIGNAL_H */