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

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