66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/* $FreeBSD$ */
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/* From: NetBSD: proc.h,v 1.3 1997/04/06 08:47:36 cgd Exp */
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/*
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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#ifndef _MACHINE_PROC_H_
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#define _MACHINE_PROC_H_
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#include <machine/globaldata.h>
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#include <machine/globals.h>
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/*
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* Machine-dependent part of the proc struct for the Alpha.
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*/
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struct mdbpt {
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vm_offset_t addr;
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u_int32_t contents;
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};
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struct mdproc {
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u_long md_flags;
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struct pcb *md_pcbpaddr; /* phys addr of the pcb */
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struct mdbpt md_sstep[2]; /* two single step breakpoints */
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u_int64_t md_hae; /* user HAE register value */
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void *osf_sigtramp; /* user-level signal trampoline */
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u_int md_kernnest; /* nesting level in the kernel */
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};
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#define MDP_FPUSED 0x0001 /* Process used the FPU */
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#define MDP_STEP1 0x0002 /* Single step normal instruction */
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#define MDP_STEP2 0x0004 /* Single step branch instruction */
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#define MDP_HAEUSED 0x0008 /* Process used the HAE */
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#define MDP_UAC_NOPRINT 0x0010 /* Don't print unaligned traps */
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#define MDP_UAC_NOFIX 0x0020 /* Don't fixup unaligned traps */
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#define MDP_UAC_SIGBUS 0x0040 /* Deliver SIGBUS upon
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unaligned access */
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#define MDP_UAC_MASK (MDP_UAC_NOPRINT | MDP_UAC_NOFIX | MDP_UAC_SIGBUS)
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#endif /* !_MACHINE_PROC_H_ */
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