Return to trap.h CVS log

Up to [Net/2] / Net2 / arch / i386 / include

Annotation of Net2/arch/i386/include/trap.h, revision 1.1.1.1

1.1       root        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:  * 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.
                     23:  *
                     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
                     34:  * SUCH DAMAGE.
                     35:  *
                     36:  *     @(#)trap.h      5.4 (Berkeley) 5/9/91
                     37:  */
                     38: 
                     39: /*
                     40:  * Trap type values
                     41:  * also known in trap.c for name strings
                     42:  */
                     43: 
                     44: #define        T_RESADFLT      0       /* reserved addressing */
                     45: #define        T_PRIVINFLT     1       /* privileged instruction */
                     46: #define        T_RESOPFLT      2       /* reserved operand */
                     47: #define        T_BPTFLT        3       /* breakpoint instruction */
                     48: #define        T_SYSCALL       5       /* system call (kcall) */
                     49: #define        T_ARITHTRAP     6       /* arithmetic trap */
                     50: #define        T_ASTFLT        7       /* system forced exception */
                     51: #define        T_SEGFLT        8       /* segmentation (limit) fault */
                     52: #define        T_PROTFLT       9       /* protection fault */
                     53: #define        T_TRCTRAP       10      /* trace trap */
                     54: #define        T_PAGEFLT       12      /* page fault */
                     55: #define        T_TABLEFLT      13      /* page table fault */
                     56: #define        T_ALIGNFLT      14      /* alignment fault */
                     57: #define        T_KSPNOTVAL     15      /* kernel stack pointer not valid */
                     58: #define        T_BUSERR        16      /* bus error */
                     59: #define        T_KDBTRAP       17      /* kernel debugger trap */
                     60: 
                     61: #define        T_DIVIDE        18      /* integer divide fault */
                     62: #define        T_NMI           19      /* non-maskable trap */
                     63: #define        T_OFLOW         20      /* overflow trap */
                     64: #define        T_BOUND         21      /* bound instruction fault */
                     65: #define        T_DNA           22      /* device not available fault */
                     66: #define        T_DOUBLEFLT     23      /* double fault */
                     67: #define        T_FPOPFLT       24      /* fp coprocessor operand fetch fault */
                     68: #define        T_TSSFLT        25      /* invalid tss fault */
                     69: #define        T_SEGNPFLT      26      /* segment not present fault */
                     70: #define        T_STKFLT        27      /* stack fault */
                     71: #define        T_RESERVED      28      /* reserved fault base */
                     72: 
                     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 */
                     79: 
                     80: /* codes for SIGFPE/ARITHTRAP */
                     81: #define            FPE_INTOVF_TRAP     0x1     /* integer overflow */
                     82: #define            FPE_INTDIV_TRAP     0x2     /* integer divide by zero */
                     83: #define            FPE_FLTDIV_TRAP     0x3     /* floating/decimal divide by zero */
                     84: #define            FPE_FLTOVF_TRAP     0x4     /* floating overflow */
                     85: #define            FPE_FLTUND_TRAP     0x5     /* floating underflow */
                     86: #define            FPE_FPU_NP_TRAP     0x6     /* floating point unit not present */
                     87: #define            FPE_SUBRNG_TRAP     0x7     /* subrange out of bounds */
                     88: 
                     89: /* codes for SIGBUS */
                     90: #define            BUS_PAGE_FAULT      T_PAGEFLT       /* page fault protection base */
                     91: #define            BUS_SEGNP_FAULT     T_SEGNPFLT      /* segment not present */
                     92: #define            BUS_STK_FAULT       T_STKFLT        /* stack segment */
                     93: #define            BUS_SEGM_FAULT      T_RESERVED      /* segment protection base */
                     94: 
                     95: /* Trap's coming from user mode */
                     96: #define        T_USER  0x100

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.