projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 28a753c6 WJ |
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 |