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