1 /* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Ralph Campbell. 7 * 8 * %sccs.include.redist.c% 9 * 10 * @(#)proc.h 8.1 (Berkeley) 06/10/93 11 */ 12 13 /* 14 * Machine-dependent part of the proc structure for DEC Station. 15 */ 16 struct mdproc { 17 int *md_regs; /* registers on current frame */ 18 int md_flags; /* machine-dependent flags */ 19 int md_upte[UPAGES]; /* ptes for mapping u page */ 20 int md_ss_addr; /* single step address for ptrace */ 21 int md_ss_instr; /* single step instruction for ptrace */ 22 }; 23 24 /* md_flags */ 25 #define MDP_FPUSED 0x0001 /* floating point coprocessor used */ 26 #define MDP_ULTRIX 0x0002 /* ULTRIX process (ULTRIXCOMPAT) */ 27