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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI_ASM_POWERPC_SIGNAL_H
3#define _UAPI_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
75#ifndef __KERNEL__
76struct old_sigaction {
77 __sighandler_t sa_handler;
78 old_sigset_t sa_mask;
79 unsigned long sa_flags;
80 __sigrestore_t sa_restorer;
81};
82
83struct sigaction {
84 __sighandler_t sa_handler;
85 unsigned long sa_flags;
86 __sigrestore_t sa_restorer;
87 sigset_t sa_mask; /* mask last for extensibility */
88};
89#endif
90
91typedef struct sigaltstack {
92 void __user *ss_sp;
93 int ss_flags;
94 __kernel_size_t ss_size;
95} stack_t;
96
97
98#ifndef __powerpc64__
99/*
100 * These are parameters to dbg_sigreturn syscall. They enable or
101 * disable certain debugging things that can be done from signal
102 * handlers. The dbg_sigreturn syscall *must* be called from a
103 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an
104 * array of struct sig_dbg_op, which has the debug operations to
105 * perform before returning from the signal.
106 */
107struct sig_dbg_op {
108 int dbg_type;
109 unsigned long dbg_value;
110};
111
112/* Enable or disable single-stepping. The value sets the state. */
113#define SIG_DBG_SINGLE_STEPPING 1
114
115/* Enable or disable branch tracing. The value sets the state. */
116#define SIG_DBG_BRANCH_TRACING 2
117#endif /* ! __powerpc64__ */
118
119#endif /* _UAPI_ASM_POWERPC_SIGNAL_H */
1#ifndef _UAPI_ASM_POWERPC_SIGNAL_H
2#define _UAPI_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#define MINSIGSTKSZ 2048
89#define SIGSTKSZ 8192
90
91#include <asm-generic/signal-defs.h>
92
93#ifndef __KERNEL__
94struct old_sigaction {
95 __sighandler_t sa_handler;
96 old_sigset_t sa_mask;
97 unsigned long sa_flags;
98 __sigrestore_t sa_restorer;
99};
100
101struct sigaction {
102 __sighandler_t sa_handler;
103 unsigned long sa_flags;
104 __sigrestore_t sa_restorer;
105 sigset_t sa_mask; /* mask last for extensibility */
106};
107#endif
108
109typedef struct sigaltstack {
110 void __user *ss_sp;
111 int ss_flags;
112 size_t ss_size;
113} stack_t;
114
115
116#ifndef __powerpc64__
117/*
118 * These are parameters to dbg_sigreturn syscall. They enable or
119 * disable certain debugging things that can be done from signal
120 * handlers. The dbg_sigreturn syscall *must* be called from a
121 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an
122 * array of struct sig_dbg_op, which has the debug operations to
123 * perform before returning from the signal.
124 */
125struct sig_dbg_op {
126 int dbg_type;
127 unsigned long dbg_value;
128};
129
130/* Enable or disable single-stepping. The value sets the state. */
131#define SIG_DBG_SINGLE_STEPPING 1
132
133/* Enable or disable branch tracing. The value sets the state. */
134#define SIG_DBG_BRANCH_TRACING 2
135#endif /* ! __powerpc64__ */
136
137#endif /* _UAPI_ASM_POWERPC_SIGNAL_H */