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98 lines
4.1 KiB
C
98 lines
4.1 KiB
C
/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)trap.h 5.4 (Berkeley) 5/9/91
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* $Id$
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*/
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#ifndef _MACHINE_TRAP_H_
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#define _MACHINE_TRAP_H_
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/*
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* Trap type values
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* also known in trap.c for name strings
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*/
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#define T_PRIVINFLT 1 /* privileged instruction */
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#define T_BPTFLT 3 /* breakpoint instruction */
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#define T_ARITHTRAP 6 /* arithmetic trap */
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#define T_ASTFLT 7 /* system forced exception */
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#define T_PROTFLT 9 /* protection fault */
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#define T_TRCTRAP 10 /* debug exception (sic) */
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#define T_PAGEFLT 12 /* page fault */
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#define T_ALIGNFLT 14 /* alignment fault */
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#define T_DIVIDE 18 /* integer divide fault */
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#define T_NMI 19 /* non-maskable trap */
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#define T_OFLOW 20 /* overflow trap */
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#define T_BOUND 21 /* bound instruction fault */
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#define T_DNA 22 /* device not available fault */
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#define T_DOUBLEFLT 23 /* double fault */
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#define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */
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#define T_TSSFLT 25 /* invalid tss fault */
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#define T_SEGNPFLT 26 /* segment not present fault */
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#define T_STKFLT 27 /* stack fault */
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#define T_MCHK 28 /* machine check trap */
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#define T_RESERVED 29 /* reserved (unknown) */
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/* XXX most of the following codes aren't used, but could be. */
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/* definitions for <sys/signal.h> */
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#define ILL_RESAD_FAULT T_RESADFLT
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#define ILL_PRIVIN_FAULT T_PRIVINFLT
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#define ILL_RESOP_FAULT T_RESOPFLT
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#define ILL_ALIGN_FAULT T_ALIGNFLT
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#define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */
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/* codes for SIGFPE/ARITHTRAP */
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#define FPE_INTOVF_TRAP 0x1 /* integer overflow */
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#define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */
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#define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */
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#define FPE_FLTOVF_TRAP 0x4 /* floating overflow */
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#define FPE_FLTUND_TRAP 0x5 /* floating underflow */
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#define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */
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#define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */
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/* codes for SIGBUS */
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#define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */
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#define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */
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#define BUS_STK_FAULT T_STKFLT /* stack segment */
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#define BUS_SEGM_FAULT T_RESERVED /* segment protection base */
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/* Trap's coming from user mode */
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#define T_USER 0x100
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#endif /* !_MACHINE_TRAP_H_ */
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