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/*- * 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: release/9.1.0/sys/amd64/include/trap.h 227945 2011-11-24 18:44:09Z rstone $ */ #ifndef _MACHINE_TRAP_H_ #define _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) */ #define T_DTRACE_RET 32 /* DTrace pid return */ #define T_DTRACE_PROBE 33 /* DTrace fasttrap probe */ /* 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 /* !_MACHINE_TRAP_H_ */