/* $OpenBSD: exception.h,v 1.1 1996/08/27 10:32:43 downsj Exp $ */ /* * exception.h * * * Copyright (C) 1992,1993,1994 * W. Metzenthen, 22 Parker St, Ormond, Vic 3163, * Australia. E-mail billm@vaxc.cc.monash.edu.au * All rights reserved. * * This copyright notice covers the redistribution and use of the * FPU emulator developed by W. Metzenthen. It covers only its use * in the 386BSD, FreeBSD and NetBSD operating systems. Any other * use is not permitted under this copyright. * * 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 include information specifying * that source code for the emulator is freely available and include * either: * a) an offer to provide the source code for a nominal distribution * fee, or * b) list at least two alternative methods whereby the source * can be obtained, e.g. a publically accessible bulletin board * and an anonymous ftp site from which the software can be * downloaded. * 3. All advertising materials specifically mentioning features or use of * this emulator must acknowledge that it was developed by W. Metzenthen. * 4. The name of W. Metzenthen may not be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED ``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 * W. METZENTHEN 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. * * * The purpose of this copyright, based upon the Berkeley copyright, is to * ensure that the covered software remains freely available to everyone. * * The software (with necessary differences) is also available, but under * the terms of the GNU copyleft, for the Linux operating system and for * the djgpp ms-dos extender. * * W. Metzenthen June 1994. * * * $FreeBSD: exception.h,v 1.4 1995/12/22 16:53:48 bde Exp $ * * */ #ifndef _EXCEPTION_H_ #define _EXCEPTION_H_ #ifdef _LOCORE #define Const_(x) $/**/x #else #define Const_(x) x #endif #ifndef SW_C1 #include <gnu/arch/i386/fpemul/fpu_emu.h> #endif /* SW_C1 */ #define FPU_BUSY Const_(0x8000) /* FPU busy bit (8087 compatibility) */ #define EX_ErrorSummary Const_(0x0080) /* Error summary status */ /* Special exceptions: */ #define EX_INTERNAL Const_(0x8000) /* Internal error in wm-FPU-emu */ #define EX_StackOver Const_(0x0041|SW_C1) /* stack overflow */ #define EX_StackUnder Const_(0x0041) /* stack underflow */ /* Exception flags: */ #define EX_Precision Const_(0x0020) /* loss of precision */ #define EX_Underflow Const_(0x0010) /* underflow */ #define EX_Overflow Const_(0x0008) /* overflow */ #define EX_ZeroDiv Const_(0x0004) /* divide by zero */ #define EX_Denormal Const_(0x0002) /* denormalized operand */ #define EX_Invalid Const_(0x0001) /* invalid operation */ #ifndef _LOCORE #ifdef DEBUG #include <sys/param.h> #include <sys/systm.h> #define EXCEPTION(x) \ do { \ printf("exception in %s at line %d\n", __FILE__, __LINE__); \ exception(x); \ } while (0) #else #define EXCEPTION(x) exception(x) #endif #endif /* _LOCORE */ #endif /* _EXCEPTION_H_ */