1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * William Jolitz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)trap.h 5.4 (Berkeley) 5/9/91 35 * $FreeBSD$ 36 */ 37 38 #ifndef _MACHINE_TRAP_H_ 39 #define _MACHINE_TRAP_H_ 40 41 /* 42 * Trap type values 43 * also known in trap.c for name strings 44 */ 45 46 #define T_PRIVINFLT 1 /* privileged instruction */ 47 #define T_BPTFLT 3 /* breakpoint instruction */ 48 #define T_ARITHTRAP 6 /* arithmetic trap */ 49 #define T_PROTFLT 9 /* protection fault */ 50 #define T_TRCTRAP 10 /* debug exception (sic) */ 51 #define T_PAGEFLT 12 /* page fault */ 52 #define T_ALIGNFLT 14 /* alignment fault */ 53 54 #define T_DIVIDE 18 /* integer divide fault */ 55 #define T_NMI 19 /* non-maskable trap */ 56 #define T_OFLOW 20 /* overflow trap */ 57 #define T_BOUND 21 /* bound instruction fault */ 58 #define T_DNA 22 /* device not available fault */ 59 #define T_DOUBLEFLT 23 /* double fault */ 60 #define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */ 61 #define T_TSSFLT 25 /* invalid tss fault */ 62 #define T_SEGNPFLT 26 /* segment not present fault */ 63 #define T_STKFLT 27 /* stack fault */ 64 #define T_MCHK 28 /* machine check trap */ 65 #define T_XMMFLT 29 /* SIMD floating-point exception */ 66 #define T_RESERVED 30 /* reserved (unknown) */ 67 #define T_DTRACE_RET 32 /* DTrace pid return */ 68 69 /* XXX most of the following codes aren't used, but could be. */ 70 71 /* definitions for <sys/signal.h> */ 72 #define ILL_RESAD_FAULT T_RESADFLT 73 #define ILL_PRIVIN_FAULT T_PRIVINFLT 74 #define ILL_RESOP_FAULT T_RESOPFLT 75 #define ILL_ALIGN_FAULT T_ALIGNFLT 76 #define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */ 77 78 /* old FreeBSD macros, deprecated */ 79 #define FPE_INTOVF_TRAP 0x1 /* integer overflow */ 80 #define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */ 81 #define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */ 82 #define FPE_FLTOVF_TRAP 0x4 /* floating overflow */ 83 #define FPE_FLTUND_TRAP 0x5 /* floating underflow */ 84 #define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */ 85 #define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */ 86 87 /* codes for SIGBUS */ 88 #define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */ 89 #define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */ 90 #define BUS_STK_FAULT T_STKFLT /* stack segment */ 91 #define BUS_SEGM_FAULT T_RESERVED /* segment protection base */ 92 93 /* Trap's coming from user mode */ 94 #define T_USER 0x100 95 96 #endif /* !_MACHINE_TRAP_H_ */ 97