1 /* 2 * Copyright (c) 1988 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)trap.h 7.1 (Berkeley) 05/21/88 7 */ 8 9 /* 10 * Trap type values 11 * also known in trap.c for name strings 12 */ 13 14 #define T_RESADFLT 0 /* reserved addressing */ 15 #define T_PRIVINFLT 1 /* privileged instruction */ 16 #define T_RESOPFLT 2 /* reserved operand */ 17 #define T_BPTFLT 3 /* breakpoint instruction */ 18 #define T_SYSCALL 5 /* system call (kcall) */ 19 #define T_ARITHTRAP 6 /* arithmetic trap */ 20 #define T_ASTFLT 7 /* system forced exception */ 21 #define T_SEGFLT 8 /* segmentation (limit) fault */ 22 #define T_PROTFLT 9 /* protection fault */ 23 #define T_TRCTRAP 10 /* trace trap */ 24 #define T_PAGEFLT 12 /* page fault */ 25 #define T_TABLEFLT 13 /* page table fault */ 26 #define T_ALIGNFLT 14 /* alignment fault */ 27 #define T_KSPNOTVAL 15 /* kernel stack pointer not valid */ 28 #define T_BUSERR 16 /* bus error */ 29 #define T_KDBTRAP 17 /* kernel debugger trap */ 30 31 /* definitions for <sys/signal.h> */ 32 #define ILL_RESAD_FAULT T_RESADFLT 33 #define ILL_PRIVIN_FAULT T_PRIVINFLT 34 #define ILL_RESOP_FAULT T_RESOPFLT 35 #define ILL_ALIGN_FAULT T_ALIGNFLT 36 37 /* codes for SIGFPE/ARITHTRAP */ 38 #define FPE_INTOVF_TRAP 0x1 /* integer overflow */ 39 #define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */ 40 #define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */ 41 #define FPE_FLTOVF_TRAP 0x4 /* floating overflow */ 42 #define FPE_FLTUND_TRAP 0x5 /* floating underflow */ 43