freebsd-dev/sys/x86/include/trap.h
Warner Losh fbbd9655e5 Renumber copyright clause 4
Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by:	Jan Schaumann <jschauma@stevens.edu>
Pull Request:	https://github.com/freebsd/freebsd/pull/96
2017-02-28 23:42:47 +00:00

95 lines
3.9 KiB
C

/*-
* 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.
* 3. 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 _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 */
/* 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_ */