15b9bcb121
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)pcb.h 5.10 (Berkeley) 5/12/91
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* $FreeBSD$
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*/
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#ifndef _I386_PCB_H_
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#define _I386_PCB_H_
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/*
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* Intel 386 process control block
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*/
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#include <machine/globals.h>
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#include <machine/npx.h>
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struct pcb {
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int pcb_cr3;
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int pcb_edi;
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int pcb_esi;
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int pcb_ebp;
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int pcb_esp;
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int pcb_ebx;
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int pcb_eip;
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int pcb_dr0;
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int pcb_dr1;
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int pcb_dr2;
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int pcb_dr3;
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int pcb_dr6;
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int pcb_dr7;
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#ifdef USER_LDT
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struct pcb_ldt *pcb_ldt; /* per process (user) LDT */
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#else
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struct pcb_ldt *pcb_ldt_dontuse;
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#endif
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struct save87 pcb_savefpu; /* floating point state for 287/387 */
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u_char pcb_flags;
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#define FP_SOFTFP 0x01 /* process using software fltng pnt emulator */
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#define PCB_DBREGS 0x02 /* process using debug registers */
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caddr_t pcb_onfault; /* copyin/out fault recovery */
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#ifdef SMP
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u_long pcb_mpnest;
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#else
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u_long pcb_mpnest_dontuse;
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#endif
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int pcb_gs;
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struct pcb_ext *pcb_ext; /* optional pcb extension */
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u_long __pcb_spare[3]; /* adjust to avoid core dump size changes */
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};
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/*
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* The pcb is augmented with machine-dependent additional data for
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* core dumps. For the i386: ???
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*/
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struct md_coredump {
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};
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#ifdef _KERNEL
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#ifndef curpcb
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extern struct pcb *curpcb; /* our current running pcb */
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#endif
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void savectx __P((struct pcb *));
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#endif
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#endif /* _I386_PCB_H_ */
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