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freebsd/sys/ia64/include/signal.h
2001-09-05 01:36:46 +00:00

95 lines
2.6 KiB
C

/* $FreeBSD$ */
/* From: NetBSD: signal.h,v 1.3 1997/04/06 08:47:43 cgd Exp */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#ifndef _MACHINE_SIGNAL_H_
#define _MACHINE_SIGNAL_H_
typedef long sig_atomic_t;
#ifndef _ANSI_SOURCE
/*
* Minimum signal stack size. The current signal frame
* for IA-64 is 2656 bytes large.
*/
#define MINSIGSTKSZ (3072 * 4)
#ifndef _IA64_FPREG_DEFINED
struct ia64_fpreg {
unsigned long fpr_bits[2];
} __attribute__ ((aligned (16)));
#define _IA64_FPREG_DEFINED
#endif
/*
* Information pushed on stack when a signal is delivered.
* This is used by the kernel to restore state following
* execution of the signal handler. It is also made available
* to the handler to allow it to restore state properly if
* a non-standard exit is performed.
*
* Note that sc_regs[] and sc_fpregs[]+sc_fpcr are inline
* representations of 'struct reg' and 'struct fpreg', respectively.
*/
typedef unsigned int osigset_t;
struct osigcontext {};
/*
* The sequence of the fields should match those in
* mcontext_t. Keep them in sync!
*/
struct sigcontext {
sigset_t sc_mask; /* signal mask to restore */
unsigned long sc_onstack;
unsigned long sc_flags;
unsigned long sc_nat;
unsigned long sc_sp;
unsigned long sc_ip;
unsigned long sc_cfm;
unsigned long sc_um;
unsigned long sc_ar_rsc;
unsigned long sc_ar_bsp;
unsigned long sc_ar_rnat;
unsigned long sc_ar_ccv;
unsigned long sc_ar_unat;
unsigned long sc_ar_fpsr;
unsigned long sc_ar_pfs;
unsigned long sc_pr;
unsigned long sc_br[8];
unsigned long sc_gr[32];
struct ia64_fpreg sc_fr[128];
};
#endif /* !_ANSI_SOURCE */
#endif /* !_MACHINE_SIGNAL_H_*/