| /*- |
| * 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. |
| * 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. |
| * |
| * from: @(#)trap.h 5.4 (Berkeley) 5/9/91 |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _BSD_MACHINE_TRAP_H_ |
| #define _BSD_MACHINE_TRAP_H_ |
| |
| /* |
| * Trap type values |
| * also known in trap.c for name strings |
| */ |
| |
| #define T_PRIVINFLT 1 /* privileged instruction */ |
| #define T_BPTFLT 3 /* breakpoint instruction */ |
| #define T_ARITHTRAP 6 /* arithmetic trap */ |
| #define T_PROTFLT 9 /* protection fault */ |
| #define T_TRCTRAP 10 /* debug exception (sic) */ |
| #define T_PAGEFLT 12 /* page fault */ |
| #define T_ALIGNFLT 14 /* alignment fault */ |
| |
| #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_MCHK 28 /* machine check trap */ |
| #define T_XMMFLT 29 /* SIMD floating-point exception */ |
| #define T_RESERVED 30 /* reserved (unknown) */ |
| |
| /* XXX most of the following codes aren't used, but could be. */ |
| |
| /* 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 */ |
| |
| /* old FreeBSD macros, deprecated */ |
| #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 |
| |
| #endif /* !_BSD_MACHINE_TRAP_H_ */ |
