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- /* Copyright (c) 1990 UNIX System Laboratories, Inc. */
- /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
- /* All Rights Reserved */
-
- /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF */
- /* UNIX System Laboratories, Inc. */
- /* The copyright notice above does not evidence any */
- /* actual or intended publication of such source code. */
-
- #ifndef _SYS_TRAP_H
- #define _SYS_TRAP_H
-
- #ident "@(#)/usr/include/sys/trap.h.sl 1.1 4.0 12/08/90 9510 AT&T-USL"
-
- /*
- * Trap type values
- */
-
- #define DIVERR 0 /* divide by 0 error */
- #define SGLSTP 1 /* single step */
- #define NMIFLT 2 /* NMI */
- #define BPTFLT 3 /* breakpoint fault */
- #define INTOFLT 4 /* INTO overflow fault */
- #define BOUNDFLT 5 /* BOUND instruction fault */
- #define INVOPFLT 6 /* invalid opcode fault */
- #define NOEXTFLT 7 /* extension not available fault*/
- #define DBLFLT 8 /* double fault */
- #define EXTOVRFLT 9 /* extension overrun fault */
- #define INVTSSFLT 10 /* invalid TSS fault */
- #define SEGNPFLT 11 /* segment not present fault */
- #define STKFLT 12 /* stack fault */
- #define GPFLT 13 /* general protection fault */
- #define PGFLT 14 /* page fault */
- #define EXTERRFLT 16 /* extension error fault */
- #define ENDPERR 33 /* emulated extension error flt */
- #define ENOEXTFLT 32 /* emulated ext not present */
-
- /*
- * Values of error code on stack in case of page fault
- */
-
- #define PF_ERR_MASK 0x01 /* Mask for error bit */
- #define PF_ERR_PAGE 0 /* page not present */
- #define PF_ERR_PROT 1 /* protection error */
- #define PF_ERR_WRITE 2 /* fault caused by write (else read) */
- #define PF_ERR_USER 4 /* processor was in user mode
- (else supervisor) */
- #endif /* _SYS_TRAP_H */
-