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 */