1139731Simp/*- 24Srgrimes * Copyright (c) 1991 Regents of the University of California. 34Srgrimes * All rights reserved. 44Srgrimes * 54Srgrimes * Redistribution and use in source and binary forms, with or without 64Srgrimes * modification, are permitted provided that the following conditions 74Srgrimes * are met: 84Srgrimes * 1. Redistributions of source code must retain the above copyright 94Srgrimes * notice, this list of conditions and the following disclaimer. 104Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 114Srgrimes * notice, this list of conditions and the following disclaimer in the 124Srgrimes * documentation and/or other materials provided with the distribution. 134Srgrimes * 4. Neither the name of the University nor the names of its contributors 144Srgrimes * may be used to endorse or promote products derived from this software 154Srgrimes * without specific prior written permission. 164Srgrimes * 174Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 184Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 194Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 204Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 214Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 224Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 234Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 244Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 254Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 264Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 274Srgrimes * SUCH DAMAGE. 284Srgrimes * 29621Srgrimes * from: @(#)proc.h 7.1 (Berkeley) 5/15/91 3050477Speter * $FreeBSD: releng/10.2/sys/amd64/include/proc.h 233291 2012-03-22 04:52:51Z alc $ 314Srgrimes */ 324Srgrimes 33719Swollman#ifndef _MACHINE_PROC_H_ 3425549Speter#define _MACHINE_PROC_H_ 35719Swollman 36190620Skib#include <machine/segments.h> 37190620Skib 38190620Skibstruct proc_ldt { 39190620Skib caddr_t ldt_base; 40190620Skib int ldt_refcnt; 41190620Skib}; 42190620Skib 434Srgrimes/* 44114349Speter * Machine-dependent part of the proc structure for AMD64. 454Srgrimes */ 4683366Sjulianstruct mdthread { 47144637Sjhb int md_spinlock_count; /* (k) */ 48144637Sjhb register_t md_saved_flags; /* (k) */ 49233291Salc register_t md_spurflt_addr; /* (k) Spurious page fault address. */ 5083366Sjulian}; 5183366Sjulian 524Srgrimesstruct mdproc { 53190620Skib struct proc_ldt *md_ldt; /* (t) per-process ldt */ 54190620Skib struct system_segment_descriptor md_ldt_sd; 554Srgrimes}; 564Srgrimes 57207269Skib#define KINFO_PROC_SIZE 1088 58207269Skib#define KINFO_PROC32_SIZE 768 59207152Skib 60175846Smav#ifdef _KERNEL 61175846Smav 62175846Smav/* Get the current kernel thread stack usage. */ 63175846Smav#define GET_STACK_USAGE(total, used) do { \ 64175846Smav struct thread *td = curthread; \ 65175846Smav (total) = td->td_kstack_pages * PAGE_SIZE; \ 66175846Smav (used) = (char *)td->td_kstack + \ 67175846Smav td->td_kstack_pages * PAGE_SIZE - \ 68175846Smav (char *)&td; \ 69175846Smav} while (0) 70175846Smav 71190620Skibvoid set_user_ldt(struct mdproc *); 72190620Skibstruct proc_ldt *user_ldt_alloc(struct proc *, int); 73190620Skibvoid user_ldt_free(struct thread *); 74190620Skibvoid user_ldt_deref(struct proc_ldt *); 75190620Skibstruct sysarch_args; 76190620Skibint sysarch_ldt(struct thread *td, struct sysarch_args *uap, int uap_space); 77190620Skibint amd64_set_ldt_data(struct thread *td, int start, int num, 78190620Skib struct user_segment_descriptor *descs); 79190620Skib 80190620Skibextern struct mtx dt_lock; 81190620Skibextern int max_ldt_segment; 82190620Skib 83208453Skibstruct syscall_args { 84208453Skib u_int code; 85208453Skib struct sysent *callp; 86208453Skib register_t args[8]; 87208453Skib int narg; 88208453Skib}; 89175846Smav#endif /* _KERNEL */ 90175846Smav 9125549Speter#endif /* !_MACHINE_PROC_H_ */ 92