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- /*
- * Mach Operating System
- * Copyright (c) 1992 Carnegie Mellon University
- * All Rights Reserved.
- *
- * 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 Mellon
- * the rights to redistribute these changes.
- */
- /*
- * HISTORY
- * $Log: trap.h,v $
- * Revision 2.1 92/04/21 17:18:50 rwd
- * BSDSS
- *
- *
- */
-
- /*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- *
- * @(#)trap.h 5.4 (Berkeley) 5/9/91
- */
-
- /*
- * Trap type values
- * also known in trap.c for name strings
- */
-
- #define T_RESADFLT 0 /* reserved addressing */
- #define T_PRIVINFLT 1 /* privileged instruction */
- #define T_RESOPFLT 2 /* reserved operand */
- #define T_BPTFLT 3 /* breakpoint instruction */
- #define T_SYSCALL 5 /* system call (kcall) */
- #define T_ARITHTRAP 6 /* arithmetic trap */
- #define T_ASTFLT 7 /* system forced exception */
- #define T_SEGFLT 8 /* segmentation (limit) fault */
- #define T_PROTFLT 9 /* protection fault */
- #define T_TRCTRAP 10 /* trace trap */
- #define T_PAGEFLT 12 /* page fault */
- #define T_TABLEFLT 13 /* page table fault */
- #define T_ALIGNFLT 14 /* alignment fault */
- #define T_KSPNOTVAL 15 /* kernel stack pointer not valid */
- #define T_BUSERR 16 /* bus error */
- #define T_KDBTRAP 17 /* kernel debugger trap */
-
- #define T_DIVIDE 18 /* integer divide fault */
- #define T_NMI 19 /* non-maskable trap */
- #define T_OFLOW 20 /* overflow trap */
- #define T_BOUND 21 /* bound instruction fault */
- #define T_DNA 22 /* device not available fault */
- #define T_DOUBLEFLT 23 /* double fault */
- #define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */
- #define T_TSSFLT 25 /* invalid tss fault */
- #define T_SEGNPFLT 26 /* segment not present fault */
- #define T_STKFLT 27 /* stack fault */
- #define T_RESERVED 28 /* reserved fault base */
-
- /* definitions for <sys/signal.h> */
- #define ILL_RESAD_FAULT T_RESADFLT
- #define ILL_PRIVIN_FAULT T_PRIVINFLT
- #define ILL_RESOP_FAULT T_RESOPFLT
- #define ILL_ALIGN_FAULT T_ALIGNFLT
- #define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */
-
- /* codes for SIGFPE/ARITHTRAP */
- #define FPE_INTOVF_TRAP 0x1 /* integer overflow */
- #define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */
- #define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */
- #define FPE_FLTOVF_TRAP 0x4 /* floating overflow */
- #define FPE_FLTUND_TRAP 0x5 /* floating underflow */
- #define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */
- #define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */
-
- /* codes for SIGBUS */
- #define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */
- #define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */
- #define BUS_STK_FAULT T_STKFLT /* stack segment */
- #define BUS_SEGM_FAULT T_RESERVED /* segment protection base */
-
- /* Trap's coming from user mode */
- #define T_USER 0x100
-