date and time created 90/03/12 15:48:27 by bill

SCCS-vsn: sys/i386/include/trap.h 1.1

diff --git a/usr/src/sys/i386/include/trap.h b/usr/src/sys/i386/include/trap.h
new file mode 100644 (file)
index 0000000..56b2431
--- /dev/null
+++ b/usr/src/sys/i386/include/trap.h
@@ -0,0 +1,48 @@
+/*     trap.h  1.3     87/07/11        */
+
+/*
+ * Trap type values
+ * also known in trap.c for name strings
+ */
+
+#define        T_RESADFLT      0       /* reserved addressing */
+#define        T_PRIVINFLT     1       /* privileged instruction */
+#define        T_RESOPFLT      2       /* reserved operand */
+#define        T_BPTFLT        3       /* breakpoint instruction */
+#define        T_SYSCALL       5       /* system call (kcall) */
+#define        T_ARITHTRAP     6       /* arithmetic trap */
+#define        T_ASTFLT        7       /* system forced exception */
+#define        T_SEGFLT        8       /* segmentation (limit) fault */
+#define        T_PROTFLT       9       /* protection fault */
+#define        T_TRCTRAP       10      /* trace trap */
+#define        T_PAGEFLT       12      /* page fault */
+#define        T_TABLEFLT      13      /* page table fault */
+#define        T_ALIGNFLT      14      /* alignment fault */
+#define        T_KSPNOTVAL     15      /* kernel stack pointer not valid */
+#define        T_BUSERR        16      /* bus error */
+#define        T_KDBTRAP       17      /* kernel debugger trap */
+#define        T_DIVIDE        18      /* integer divide fault */
+#define        T_DEBUG 19      /* debug fault/trap catchall */
+#define        T_NMI   20      /* non-maskable trap */
+#define        T_OFLOW 21      /* overflow trap */
+#define        T_BOUND 22      /* bound instruction fault */
+#define        T_DNA   23      /* device not available fault */
+#define        T_DOUBLEFLT     24      /* double fault */
+#define        T_FPOPFLT       25      /* fp coprocessor operand fetch fault */
+#define        T_TSSFLT        26      /* invalid tss fault */
+#define        T_SEGNPFLT      27      /* segment not present fault */
+#define        T_STKFLT        28      /* stack fault */
+#define        T_RESERVED      29      /* stack fault */
+
+/* definitions for <sys/signal.h> */
+#define            ILL_RESAD_FAULT     T_RESADFLT
+#define            ILL_PRIVIN_FAULT    T_PRIVINFLT
+#define            ILL_RESOP_FAULT     T_RESOPFLT
+#define            ILL_ALIGN_FAULT     T_ALIGNFLT
+
+/* codes for SIGFPE/ARITHTRAP */
+#define            FPE_INTOVF_TRAP     0x1     /* integer overflow */
+#define            FPE_INTDIV_TRAP     0x2     /* integer divide by zero */
+#define            FPE_FLTDIV_TRAP     0x3     /* floating/decimal divide by zero */
+#define            FPE_FLTOVF_TRAP     0x4     /* floating overflow */
+#define            FPE_FLTUND_TRAP     0x5     /* floating underflow */