1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3 * include/asm-xtensa/signal.h
4 *
5 * Swiped from SH.
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive
9 * for more details.
10 *
11 * Copyright (C) 2001 - 2005 Tensilica Inc.
12 */
13
14 #ifndef _UAPI_XTENSA_SIGNAL_H
15 #define _UAPI_XTENSA_SIGNAL_H
16
17
18 #define _NSIG 64
19 #define _NSIG_BPW 32
20 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
21
22 #ifndef __ASSEMBLY__
23
24 #include <linux/types.h>
25
26 /* Avoid too many header ordering problems. */
27 struct siginfo;
28 typedef unsigned long old_sigset_t; /* at least 32 bits */
29 typedef struct {
30 unsigned long sig[_NSIG_WORDS];
31 } sigset_t;
32
33 #endif
34
35 #define SIGHUP 1
36 #define SIGINT 2
37 #define SIGQUIT 3
38 #define SIGILL 4
39 #define SIGTRAP 5
40 #define SIGABRT 6
41 #define SIGIOT 6
42 #define SIGBUS 7
43 #define SIGFPE 8
44 #define SIGKILL 9
45 #define SIGUSR1 10
46 #define SIGSEGV 11
47 #define SIGUSR2 12
48 #define SIGPIPE 13
49 #define SIGALRM 14
50 #define SIGTERM 15
51 #define SIGSTKFLT 16
52 #define SIGCHLD 17
53 #define SIGCONT 18
54 #define SIGSTOP 19
55 #define SIGTSTP 20
56 #define SIGTTIN 21
57 #define SIGTTOU 22
58 #define SIGURG 23
59 #define SIGXCPU 24
60 #define SIGXFSZ 25
61 #define SIGVTALRM 26
62 #define SIGPROF 27
63 #define SIGWINCH 28
64 #define SIGIO 29
65 #define SIGPOLL SIGIO
66 /* #define SIGLOST 29 */
67 #define SIGPWR 30
68 #define SIGSYS 31
69 #define SIGUNUSED 31
70
71 /* These should not be considered constants from userland. */
72 #define SIGRTMIN 32
73 #define SIGRTMAX (_NSIG-1)
74
75 #define SA_RESTORER 0x04000000
76
77 #define MINSIGSTKSZ 2048
78 #define SIGSTKSZ 8192
79
80 #ifndef __ASSEMBLY__
81
82 #include <asm-generic/signal-defs.h>
83
84 #ifndef __KERNEL__
85
86 /* Here we must cater to libcs that poke about in kernel headers. */
87
88 struct sigaction {
89 union {
90 __sighandler_t _sa_handler;
91 void (*_sa_sigaction)(int, struct siginfo *, void *);
92 } _u;
93 sigset_t sa_mask;
94 unsigned long sa_flags;
95 void (*sa_restorer)(void);
96 };
97
98 #define sa_handler _u._sa_handler
99 #define sa_sigaction _u._sa_sigaction
100
101 #endif /* __KERNEL__ */
102
103 typedef struct sigaltstack {
104 void *ss_sp;
105 int ss_flags;
106 __kernel_size_t ss_size;
107 } stack_t;
108
109 #endif /* __ASSEMBLY__ */
110 #endif /* _UAPI_XTENSA_SIGNAL_H */
111
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