trap.h revision 227290
14Srgrimes/*- 24Srgrimes * Copyright (c) 1990 The Regents of the University of California. 34Srgrimes * All rights reserved. 44Srgrimes * 54Srgrimes * This code is derived from software contributed to Berkeley by 64Srgrimes * William Jolitz. 74Srgrimes * 84Srgrimes * Redistribution and use in source and binary forms, with or without 94Srgrimes * modification, are permitted provided that the following conditions 104Srgrimes * are met: 114Srgrimes * 1. Redistributions of source code must retain the above copyright 124Srgrimes * notice, this list of conditions and the following disclaimer. 134Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 144Srgrimes * notice, this list of conditions and the following disclaimer in the 154Srgrimes * documentation and/or other materials provided with the distribution. 164Srgrimes * 4. Neither the name of the University nor the names of its contributors 174Srgrimes * may be used to endorse or promote products derived from this software 184Srgrimes * without specific prior written permission. 194Srgrimes * 204Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 214Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 224Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 234Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 244Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 254Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 264Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 274Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 284Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 294Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 304Srgrimes * SUCH DAMAGE. 314Srgrimes * 32621Srgrimes * from: @(#)trap.h 5.4 (Berkeley) 5/9/91 3350477Speter * $FreeBSD: head/sys/amd64/include/trap.h 227290 2011-11-07 01:53:25Z rstone $ 344Srgrimes */ 354Srgrimes 36719Swollman#ifndef _MACHINE_TRAP_H_ 375603Sbde#define _MACHINE_TRAP_H_ 38719Swollman 394Srgrimes/* 404Srgrimes * Trap type values 414Srgrimes * also known in trap.c for name strings 424Srgrimes */ 434Srgrimes 444Srgrimes#define T_PRIVINFLT 1 /* privileged instruction */ 454Srgrimes#define T_BPTFLT 3 /* breakpoint instruction */ 464Srgrimes#define T_ARITHTRAP 6 /* arithmetic trap */ 474Srgrimes#define T_PROTFLT 9 /* protection fault */ 485603Sbde#define T_TRCTRAP 10 /* debug exception (sic) */ 494Srgrimes#define T_PAGEFLT 12 /* page fault */ 504Srgrimes#define T_ALIGNFLT 14 /* alignment fault */ 514Srgrimes 524Srgrimes#define T_DIVIDE 18 /* integer divide fault */ 534Srgrimes#define T_NMI 19 /* non-maskable trap */ 544Srgrimes#define T_OFLOW 20 /* overflow trap */ 554Srgrimes#define T_BOUND 21 /* bound instruction fault */ 564Srgrimes#define T_DNA 22 /* device not available fault */ 574Srgrimes#define T_DOUBLEFLT 23 /* double fault */ 584Srgrimes#define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */ 594Srgrimes#define T_TSSFLT 25 /* invalid tss fault */ 604Srgrimes#define T_SEGNPFLT 26 /* segment not present fault */ 614Srgrimes#define T_STKFLT 27 /* stack fault */ 6217520Sdg#define T_MCHK 28 /* machine check trap */ 6379609Speter#define T_XMMFLT 29 /* SIMD floating-point exception */ 6479609Speter#define T_RESERVED 30 /* reserved (unknown) */ 65227290Srstone#define T_DTRACE_RET 32 /* DTrace pid return */ 66227290Srstone#define T_DTRACE_PROBE 33 /* DTrace fasttrap probe */ 674Srgrimes 685603Sbde/* XXX most of the following codes aren't used, but could be. */ 695603Sbde 704Srgrimes/* definitions for <sys/signal.h> */ 714Srgrimes#define ILL_RESAD_FAULT T_RESADFLT 724Srgrimes#define ILL_PRIVIN_FAULT T_PRIVINFLT 734Srgrimes#define ILL_RESOP_FAULT T_RESOPFLT 744Srgrimes#define ILL_ALIGN_FAULT T_ALIGNFLT 754Srgrimes#define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */ 764Srgrimes 7749081Scracauer/* old FreeBSD macros, deprecated */ 7849098Scracauer#define FPE_INTOVF_TRAP 0x1 /* integer overflow */ 7949098Scracauer#define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */ 8049098Scracauer#define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */ 8149098Scracauer#define FPE_FLTOVF_TRAP 0x4 /* floating overflow */ 8249098Scracauer#define FPE_FLTUND_TRAP 0x5 /* floating underflow */ 8349098Scracauer#define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */ 8449098Scracauer#define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */ 854Srgrimes 864Srgrimes/* codes for SIGBUS */ 874Srgrimes#define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */ 884Srgrimes#define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */ 894Srgrimes#define BUS_STK_FAULT T_STKFLT /* stack segment */ 904Srgrimes#define BUS_SEGM_FAULT T_RESERVED /* segment protection base */ 914Srgrimes 924Srgrimes/* Trap's coming from user mode */ 934Srgrimes#define T_USER 0x100 945603Sbde 955603Sbde#endif /* !_MACHINE_TRAP_H_ */ 96