| | 1 | /*- |
| | 2 | * Copyright (c) 1990 The Regents of the University of California. |
| | 3 | * All rights reserved. |
| | 4 | * |
| | 5 | * This code is derived from software contributed to Berkeley by |
| | 6 | * William Jolitz. |
| | 7 | * |
| | 8 | * Redistribution and use in source and binary forms, with or without |
| | 9 | * modification, are permitted provided that the following conditions |
| | 10 | * are met: |
| | 11 | * 1. Redistributions of source code must retain the above copyright |
| | 12 | * notice, this list of conditions and the following disclaimer. |
| | 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 14 | * notice, this list of conditions and the following disclaimer in the |
| | 15 | * documentation and/or other materials provided with the distribution. |
| | 16 | * 3. All advertising materials mentioning features or use of this software |
| | 17 | * must display the following acknowledgement: |
| | 18 | * This product includes software developed by the University of |
| | 19 | * California, Berkeley and its contributors. |
| | 20 | * 4. Neither the name of the University nor the names of its contributors |
| | 21 | * may be used to endorse or promote products derived from this software |
| | 22 | * without specific prior written permission. |
| | 23 | * |
| | 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 34 | * SUCH DAMAGE. |
| | 35 | * |
| | 36 | * from: @(#)pcb.h 5.10 (Berkeley) 5/12/91 |
| | 37 | * $FreeBSD: src/sys/i386/include/pcb.h,v 1.32.2.1 2001/08/15 01:23:52 peter Exp $ |
| | 38 | * $DragonFly: src/sys/platform/pc32/include/pcb.h,v 1.7 2003/08/26 21:42:18 rob Exp $ |
| | 39 | */ |
| | 40 | |
| | 41 | #ifndef _I386_PCB_H_ |
| | 42 | #define _I386_PCB_H_ |
| | 43 | |
| | 44 | /* |
| | 45 | * Intel 386 process control block |
| | 46 | */ |
| | 47 | #include "npx.h" |
| | 48 | |
| | 49 | struct pcb { |
| | 50 | int pcb_cr3; |
| | 51 | int pcb_edi; |
| | 52 | int pcb_esi; |
| | 53 | int pcb_ebp; |
| | 54 | int pcb_esp; |
| | 55 | int pcb_ebx; |
| | 56 | int pcb_eip; |
| | 57 | |
| | 58 | int pcb_dr0; |
| | 59 | int pcb_dr1; |
| | 60 | int pcb_dr2; |
| | 61 | int pcb_dr3; |
| | 62 | int pcb_dr6; |
| | 63 | int pcb_dr7; |
| | 64 | |
| | 65 | #ifdef USER_LDT |
| | 66 | struct pcb_ldt *pcb_ldt; /* per process (user) LDT */ |
| | 67 | #else |
| | 68 | struct pcb_ldt *pcb_ldt_dontuse; |
| | 69 | #endif |
| | 70 | union savefpu pcb_save; |
| | 71 | u_char pcb_flags; |
| | 72 | #define FP_SOFTFP 0x01 /* process using software fltng pnt emulator */ |
| | 73 | #define PCB_DBREGS 0x02 /* process using debug registers */ |
| | 74 | caddr_t pcb_onfault; /* copyin/out fault recovery */ |
| | 75 | #if 0 |
| | 76 | #ifdef SMP |
| | 77 | u_long pcb_mpnest; |
| | 78 | #else |
| | 79 | u_long pcb_mpnest_dontuse; |
| | 80 | #endif |
| | 81 | #endif |
| | 82 | int pcb_gs; |
| | 83 | struct pcb_ext *pcb_ext; /* optional pcb extension */ |
| | 84 | u_long __pcb_spare[3]; /* adjust to avoid core dump size changes */ |
| | 85 | }; |
| | 86 | |
| | 87 | #ifdef _KERNEL |
| | 88 | |
| | 89 | void savectx (struct pcb *); |
| | 90 | #endif |
| | 91 | |
| | 92 | #endif /* _I386_PCB_H_ */ |
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