trap.h revision 227290
165253Sache/*- 265253Sache * Copyright (c) 1990 The Regents of the University of California. 365253Sache * All rights reserved. 465253Sache * 565253Sache * This code is derived from software contributed to Berkeley by 665253Sache * William Jolitz. 765253Sache * 865253Sache * Redistribution and use in source and binary forms, with or without 965253Sache * modification, are permitted provided that the following conditions 1065253Sache * are met: 1165253Sache * 1. Redistributions of source code must retain the above copyright 1265253Sache * notice, this list of conditions and the following disclaimer. 1365253Sache * 2. Redistributions in binary form must reproduce the above copyright 1465253Sache * notice, this list of conditions and the following disclaimer in the 1565253Sache * documentation and/or other materials provided with the distribution. 1665253Sache * 4. Neither the name of the University nor the names of its contributors 1765253Sache * may be used to endorse or promote products derived from this software 1865253Sache * without specific prior written permission. 1965253Sache * 2065253Sache * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2165253Sache * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2265253Sache * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2365253Sache * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2465253Sache * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2565253Sache * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2665253Sache * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2765253Sache * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2865253Sache * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2965253Sache * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3065253Sache * SUCH DAMAGE. 3165253Sache * 3265253Sache * from: @(#)trap.h 5.4 (Berkeley) 5/9/91 3365253Sache * $FreeBSD: head/sys/i386/include/trap.h 227290 2011-11-07 01:53:25Z rstone $ 3465253Sache */ 3565253Sache 3665253Sache#ifndef _MACHINE_TRAP_H_ 3765253Sache#define _MACHINE_TRAP_H_ 3865253Sache 3965253Sache/* 4065253Sache * Trap type values 4165253Sache * also known in trap.c for name strings 4265253Sache */ 4365253Sache 4465253Sache#define T_PRIVINFLT 1 /* privileged instruction */ 4565253Sache#define T_BPTFLT 3 /* breakpoint instruction */ 4665253Sache#define T_ARITHTRAP 6 /* arithmetic trap */ 4765253Sache#define T_PROTFLT 9 /* protection fault */ 4865253Sache#define T_TRCTRAP 10 /* debug exception (sic) */ 4965253Sache#define T_PAGEFLT 12 /* page fault */ 5065253Sache#define T_ALIGNFLT 14 /* alignment fault */ 5165253Sache 5265253Sache#define T_DIVIDE 18 /* integer divide fault */ 5365253Sache#define T_NMI 19 /* non-maskable trap */ 5465253Sache#define T_OFLOW 20 /* overflow trap */ 5565253Sache#define T_BOUND 21 /* bound instruction fault */ 5665253Sache#define T_DNA 22 /* device not available fault */ 5765253Sache#define T_DOUBLEFLT 23 /* double fault */ 5865253Sache#define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */ 5965253Sache#define T_TSSFLT 25 /* invalid tss fault */ 6065253Sache#define T_SEGNPFLT 26 /* segment not present fault */ 6165253Sache#define T_STKFLT 27 /* stack fault */ 6265253Sache#define T_MCHK 28 /* machine check trap */ 6365253Sache#define T_XMMFLT 29 /* SIMD floating-point exception */ 6465253Sache#define T_RESERVED 30 /* reserved (unknown) */ 6565253Sache#define T_DTRACE_RET 32 /* DTrace pid return */ 6665253Sache#define T_DTRACE_PROBE 33 /* DTrace fasttrap probe */ 6765253Sache 6865253Sache/* XXX most of the following codes aren't used, but could be. */ 6965253Sache 7065253Sache/* definitions for <sys/signal.h> */ 7165253Sache#define ILL_RESAD_FAULT T_RESADFLT 7265253Sache#define ILL_PRIVIN_FAULT T_PRIVINFLT 7365253Sache#define ILL_RESOP_FAULT T_RESOPFLT 7465253Sache#define ILL_ALIGN_FAULT T_ALIGNFLT 7565253Sache#define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */ 7665253Sache 7765253Sache/* old FreeBSD macros, deprecated */ 7865253Sache#define FPE_INTOVF_TRAP 0x1 /* integer overflow */ 7965253Sache#define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */ 8065253Sache#define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */ 8165253Sache#define FPE_FLTOVF_TRAP 0x4 /* floating overflow */ 8265253Sache#define FPE_FLTUND_TRAP 0x5 /* floating underflow */ 8365253Sache#define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */ 8465253Sache#define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */ 8565253Sache 8665253Sache/* codes for SIGBUS */ 8765253Sache#define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */ 8865253Sache#define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */ 8965253Sache#define BUS_STK_FAULT T_STKFLT /* stack segment */ 9065253Sache#define BUS_SEGM_FAULT T_RESERVED /* segment protection base */ 9165253Sache 9265253Sache/* Trap's coming from user mode */ 9365253Sache#define T_USER 0x100 9465253Sache 9565253Sache#endif /* !_MACHINE_TRAP_H_ */ 9665253Sache