xref: /src/sys/compat/linux/arch/i386/linux_siginfo.h

/*	$NetBSD: linux_siginfo.h,v 1.5 2008/04/28 20:23:42 martin Exp $	*/

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Eric Haszlakiewicz.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _I386_LINUX_SIGINFO_H
#define _I386_LINUX_SIGINFO_H

typedef union linux_sigval {
	int	sival_int;
	void	*sival_ptr;
} linux_sigval_t;

#define SI_MAX_SIZE	128
#define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int)) - 3)

typedef struct linux_siginfo {
	int	lsi_signo;
	int	lsi_errno;
	int	lsi_code;
	union {
		int _pad[SI_PAD_SIZE];

		/* kill() */
		struct {
			linux_pid_t	_pid;
			linux_uid_t	_uid;
		} _kill;

		/* POSIX.1b signals */
		struct {
			linux_pid_t	_pid;
			linux_uid_t	_uid;
			linux_sigval_t	_sigval;
		} _rt;

		/* POSIX.1b timers */
		struct {
			unsigned int	_timer1;
			unsigned int	_timer2;
		} _timer;

		/* SIGCHLD */
		struct {
			linux_pid_t	_pid;
			linux_uid_t	_uid;
			int		_status;
			linux_clock_t	_utime;
			linux_clock_t	_stime;
		} _sigchld;

		/* SIGPOLL */
		struct {
			int _band;
			int _fd;
		} _sigpoll;

		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
		struct {
			void *_addr;
		} _sigfault;
	} _sidata;
} linux_siginfo_t;

#define lsi_pid		_sidata._kill._pid
#define lsi_uid		_sidata._kill._uid
#define lsi_status      _sidata._sigchld._status
#define lsi_utime       _sidata._sigchld._utime
#define lsi_stime       _sidata._sigchld._stime
#define lsi_value       _sidata._rt._sigval
#define lsi_int         _sidata._rt._sigval.sival_int
#define lsi_ptr         _sidata._rt._sigval.sival_ptr
#define lsi_addr        _sidata._sigfault._addr
#define lsi_band        _sidata._sigpoll._band
#define lsi_fd          _sidata._sigpoll._fd

/*
 * si_code values for non-signals
 */
#define LINUX_SI_USER		0
#define	LINUX_SI_KERNEL		0x80
#define LINUX_SI_QUEUE		-1
#define LINUX_SI_TIMER		-2
#define LINUX_SI_MESGQ		-3
#define LINUX_SI_ASYNCIO	-4
#define LINUX_SI_SIGIO		-5
#define LINUX_SI_SIGNL		-6

/* si_code values for SIGILL */
#define	LINUX_ILL_ILLOPC	1
#define	LINUX_ILL_ILLOPN	2
#define	LINUX_ILL_ILLADR	3
#define	LINUX_ILL_ILLTRP	4
#define	LINUX_ILL_PRVOPC	5
#define	LINUX_ILL_PRVREG	6
#define	LINUX_ILL_COPROC	7
#define	LINUX_ILL_BADSTK	8

/* si_code values for SIGFPE */
#define	LINUX_FPE_INTDIV 	1
#define	LINUX_FPE_INTOVF	2
#define	LINUX_FPE_FLTDIV	3
#define	LINUX_FPE_FLTOVF	4
#define	LINUX_FPE_FLTUND	5
#define	LINUX_FPE_FLTRES	6
#define	LINUX_FPE_FLTINV	7
#define	LINUX_FPE_FLTSUB	8

/* si_code values for SIGSEGV */
#define	LINUX_SEGV_MAPERR	1
#define	LINUX_SEGV_ACCERR	2

/* si_code values for SIGBUS */
#define	LINUX_BUS_ADRALN	1
#define	LINUX_BUS_ADRERR	2
#define	LINUX_BUS_OBJERR	3

/* si_code values for SIGTRAP */
#define	LINUX_TRAP_BRKPT	1
#define	LINUX_TRAP_TRACE	2

/* si_code values for SIGCHLD */
#define	LINUX_CLD_EXITED	1
#define	LINUX_CLD_KILLED	2
#define	LINUX_CLD_DUMPED	3
#define	LINUX_CLD_TRAPPED	4
#define	LINUX_CLD_STOPPED	5
#define	LINUX_CLD_CONTINUED	6

/* si_code values for SIGPOLL */
#define	LINUX_POLL_IN		1
#define	LINUX_POLL_OUT		2
#define	LINUX_POLL_MSG		3
#define	LINUX_POLL_ERR		4
#define	LINUX_POLL_PRI		5
#define	LINUX_POLL_HUP		6

#define LINUX_SI_FROMUSER(sp)	((sp)->si_code <= 0)
#define LINUX_SI_FROMKERNEL(sp)	((sp)->si_code > 0)

#endif /* !_I386_LINUX_SIGINFO_H */