[unix-history] / usr / src / sys / tahoe / include / trap.h

/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)trap.h	7.1 (Berkeley) %G%
 */

/*
 * 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 */

/* 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 */
Commit	Line	Data
430f81c3 MK	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) %G%
	7	*/
a256b012	8
6c45bcf0 MK	9	/*
	10	* Trap type values
	11	* also known in trap.c for name strings
	12	*/
	13
a256b012 SL	14	#define T_RESADFLT 0 /* reserved addressing */
	15	#define T_PRIVINFLT 1 /* privileged instruction */
	16	#define T_RESOPFLT 2 /* reserved operand */
a256b012 SL	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 */
c5747722	29	#define T_KDBTRAP 17 /* kernel debugger trap */
6c45bcf0 MK	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 */