projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 4bd1c0bf WN |
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 | * | |
| e375aed8 | 8 | * %sccs.include.redist.c% |
| 4bd1c0bf | 9 | * |
| 6a4afa99 | 10 | * @(#)trap.h 5.4 (Berkeley) %G% |
| 4bd1c0bf | 11 | */ |
| 5f7fe05a BJ |
12 | |
| 13 | /* | |
| 14 | * Trap type values | |
| 15 | * also known in trap.c for name strings | |
| 16 | */ | |
| 17 | ||
| 18 | #define T_RESADFLT 0 /* reserved addressing */ | |
| 19 | #define T_PRIVINFLT 1 /* privileged instruction */ | |
| 20 | #define T_RESOPFLT 2 /* reserved operand */ | |
| 21 | #define T_BPTFLT 3 /* breakpoint instruction */ | |
| 22 | #define T_SYSCALL 5 /* system call (kcall) */ | |
| 23 | #define T_ARITHTRAP 6 /* arithmetic trap */ | |
| 24 | #define T_ASTFLT 7 /* system forced exception */ | |
| 25 | #define T_SEGFLT 8 /* segmentation (limit) fault */ | |
| 26 | #define T_PROTFLT 9 /* protection fault */ | |
| 27 | #define T_TRCTRAP 10 /* trace trap */ | |
| 28 | #define T_PAGEFLT 12 /* page fault */ | |
| 29 | #define T_TABLEFLT 13 /* page table fault */ | |
| 30 | #define T_ALIGNFLT 14 /* alignment fault */ | |
| 31 | #define T_KSPNOTVAL 15 /* kernel stack pointer not valid */ | |
| 32 | #define T_BUSERR 16 /* bus error */ | |
| 33 | #define T_KDBTRAP 17 /* kernel debugger trap */ | |
| 4bd1c0bf | 34 | |
| 5f7fe05a | 35 | #define T_DIVIDE 18 /* integer divide fault */ |
| 76a09b28 BJ |
36 | #define T_NMI 19 /* non-maskable trap */ |
| 37 | #define T_OFLOW 20 /* overflow trap */ | |
| 38 | #define T_BOUND 21 /* bound instruction fault */ | |
| 39 | #define T_DNA 22 /* device not available fault */ | |
| 40 | #define T_DOUBLEFLT 23 /* double fault */ | |
| 41 | #define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */ | |
| 42 | #define T_TSSFLT 25 /* invalid tss fault */ | |
| 43 | #define T_SEGNPFLT 26 /* segment not present fault */ | |
| 44 | #define T_STKFLT 27 /* stack fault */ | |
| 45 | #define T_RESERVED 28 /* reserved fault base */ | |
| 5f7fe05a BJ |
46 | |
| 47 | /* definitions for <sys/signal.h> */ | |
| 48 | #define ILL_RESAD_FAULT T_RESADFLT | |
| 49 | #define ILL_PRIVIN_FAULT T_PRIVINFLT | |
| 50 | #define ILL_RESOP_FAULT T_RESOPFLT | |
| 51 | #define ILL_ALIGN_FAULT T_ALIGNFLT | |
| 76a09b28 | 52 | #define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */ |
| 5f7fe05a BJ |
53 | |
| 54 | /* codes for SIGFPE/ARITHTRAP */ | |
| 55 | #define FPE_INTOVF_TRAP 0x1 /* integer overflow */ | |
| 56 | #define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */ | |
| 57 | #define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */ | |
| 58 | #define FPE_FLTOVF_TRAP 0x4 /* floating overflow */ | |
| 59 | #define FPE_FLTUND_TRAP 0x5 /* floating underflow */ | |
| 76a09b28 BJ |
60 | #define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */ |
| 61 | #define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */ | |
| 62 | ||
| 63 | /* codes for SIGBUS */ | |
| 64 | #define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */ | |
| 65 | #define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */ | |
| 66 | #define BUS_STK_FAULT T_STKFLT /* stack segment */ | |
| 67 | #define BUS_SEGM_FAULT T_RESERVED /* segment protection base */ | |
| 6a4afa99 WN |
68 | |
| 69 | /* Trap's coming from user mode */ | |
| 70 | #define T_USER 0x100 |