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.  */
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 __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
88struct 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
103typedef 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