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Annotation of 43BSDReno/sys/tahoe/trap.h, revision 1.1.1.1

1.1       root        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) 5/21/88
                      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 */

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