2 * Copyright (c) 1990 The Regents of the University of California.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * from: @(#)trap.h 5.4 (Berkeley) 5/9/91
37 * $FreeBSD: src/sys/amd64/include/trap.h,v 1.13 2001/07/12 06:32:51 peter Exp $
45 * also known in trap.c for name strings
48 #define T_PRIVINFLT 1 /* privileged instruction */
49 #define T_BPTFLT 3 /* breakpoint instruction */
50 #define T_ARITHTRAP 6 /* arithmetic trap */
51 #define T_ASTFLT 7 /* system forced exception */
52 #define T_PROTFLT 9 /* protection fault */
53 #define T_TRCTRAP 10 /* debug exception (sic) */
54 #define T_PAGEFLT 12 /* page fault */
55 #define T_ALIGNFLT 14 /* alignment fault */
57 #define T_DIVIDE 18 /* integer divide fault */
58 #define T_NMI 19 /* non-maskable trap */
59 #define T_OFLOW 20 /* overflow trap */
60 #define T_BOUND 21 /* bound instruction fault */
61 #define T_DNA 22 /* device not available fault */
62 #define T_DOUBLEFLT 23 /* double fault */
63 #define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */
64 #define T_TSSFLT 25 /* invalid tss fault */
65 #define T_SEGNPFLT 26 /* segment not present fault */
66 #define T_STKFLT 27 /* stack fault */
67 #define T_MCHK 28 /* machine check trap */
68 #define T_XMMFLT 29 /* SIMD floating-point exception */
69 #define T_RESERVED 30 /* reserved (unknown) */
71 /* XXX most of the following codes aren't used, but could be. */
73 /* definitions for <sys/signal.h> */
74 #define ILL_RESAD_FAULT T_RESADFLT
75 #define ILL_PRIVIN_FAULT T_PRIVINFLT
76 #define ILL_RESOP_FAULT T_RESOPFLT
77 #define ILL_ALIGN_FAULT T_ALIGNFLT
78 #define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */
81 /* old FreeBSD macros, deprecated */
82 #define FPE_INTOVF_TRAP 0x1 /* integer overflow */
83 #define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */
84 #define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */
85 #define FPE_FLTOVF_TRAP 0x4 /* floating overflow */
86 #define FPE_FLTUND_TRAP 0x5 /* floating underflow */
87 #define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */
88 #define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */
90 /* codes for SIGBUS */
91 #define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */
92 #define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */
93 #define BUS_STK_FAULT T_STKFLT /* stack segment */
94 #define BUS_SEGM_FAULT T_RESERVED /* segment protection base */
96 /* Trap's coming from user mode */
97 #define T_SYSCALL80 0x080
98 #define T_FAST_SYSCALL 0x081
101 #endif /* !_CPU_TRAP_H_ */