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 _XTENSA_SIGNAL_H
15#define _XTENSA_SIGNAL_H
16
17
18#define _NSIG 64
19#define _NSIG_BPW 32
20#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
21
22#ifndef __ASSEMBLER__
23
24#include <linux/types.h>
25
26/* Avoid too many header ordering problems. */
27struct siginfo;
28typedef unsigned long old_sigset_t; /* at least 32 bits */
29typedef 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 __ASSEMBLER__
81
82#include <asm-generic/signal-defs.h>
83
84
85/* Here we must cater to libcs that poke about in kernel headers. */
86
87struct sigaction {
88 union {
89 __sighandler_t _sa_handler;
90 void (*_sa_sigaction)(int, struct siginfo *, void *);
91 } _u;
92 sigset_t sa_mask;
93 unsigned long sa_flags;
94 void (*sa_restorer)(void);
95};
96
97#define sa_handler _u._sa_handler
98#define sa_sigaction _u._sa_sigaction
99
100
101typedef struct sigaltstack {
102 void *ss_sp;
103 int ss_flags;
104 __kernel_size_t ss_size;
105} stack_t;
106
107#endif /* __ASSEMBLER__ */
108#endif /* _XTENSA_SIGNAL_H */