trap.h (8fa0b743820f61c661ba5f3ea0e3be0dc137910e) trap.h (8b4a1ed0dec86c4d1610db51c14883c2f5a04cee)
1/*-
1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * from: @(#)trap.h 5.4 (Berkeley) 5/9/91
33 * $FreeBSD$
2 * This file is in the public domain.
34 */
3 */
4/* $FreeBSD$ */
35
5
36#ifndef _MACHINE_TRAP_H_
37#define _MACHINE_TRAP_H_
38
39/*
40 * Trap type values
41 * also known in trap.c for name strings
42 */
43
44#define T_PRIVINFLT 1 /* privileged instruction */
45#define T_BPTFLT 3 /* breakpoint instruction */
46#define T_ARITHTRAP 6 /* arithmetic trap */
47#define T_PROTFLT 9 /* protection fault */
48#define T_TRCTRAP 10 /* debug exception (sic) */
49#define T_PAGEFLT 12 /* page fault */
50#define T_ALIGNFLT 14 /* alignment fault */
51
52#define T_DIVIDE 18 /* integer divide fault */
53#define T_NMI 19 /* non-maskable trap */
54#define T_OFLOW 20 /* overflow trap */
55#define T_BOUND 21 /* bound instruction fault */
56#define T_DNA 22 /* device not available fault */
57#define T_DOUBLEFLT 23 /* double fault */
58#define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */
59#define T_TSSFLT 25 /* invalid tss fault */
60#define T_SEGNPFLT 26 /* segment not present fault */
61#define T_STKFLT 27 /* stack fault */
62#define T_MCHK 28 /* machine check trap */
63#define T_XMMFLT 29 /* SIMD floating-point exception */
64#define T_RESERVED 30 /* reserved (unknown) */
65#define T_DTRACE_RET 32 /* DTrace pid return */
66#define T_DTRACE_PROBE 33 /* DTrace fasttrap probe */
67
68/* XXX most of the following codes aren't used, but could be. */
69
70/* definitions for <sys/signal.h> */
71#define ILL_RESAD_FAULT T_RESADFLT
72#define ILL_PRIVIN_FAULT T_PRIVINFLT
73#define ILL_RESOP_FAULT T_RESOPFLT
74#define ILL_ALIGN_FAULT T_ALIGNFLT
75#define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */
76
77/* old FreeBSD macros, deprecated */
78#define FPE_INTOVF_TRAP 0x1 /* integer overflow */
79#define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */
80#define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */
81#define FPE_FLTOVF_TRAP 0x4 /* floating overflow */
82#define FPE_FLTUND_TRAP 0x5 /* floating underflow */
83#define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */
84#define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */
85
86/* codes for SIGBUS */
87#define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */
88#define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */
89#define BUS_STK_FAULT T_STKFLT /* stack segment */
90#define BUS_SEGM_FAULT T_RESERVED /* segment protection base */
91
92/* Trap's coming from user mode */
93#define T_USER 0x100
94
95#endif /* !_MACHINE_TRAP_H_ */
6#include <x86/trap.h>