7b6fe97487
from machine/proc.h, consistently on all architectures. Reviewed by: jhb Sponsored by: The FreeBSD Foundation MFC after: 3 weeks X-Differential revision: https://reviews.freebsd.org/D11080
105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/*-
|
|
* Copyright (c) 1991 Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: @(#)proc.h 7.1 (Berkeley) 5/15/91
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_PROC_H_
|
|
#define _MACHINE_PROC_H_
|
|
|
|
#include <sys/queue.h>
|
|
#include <machine/segments.h>
|
|
|
|
/*
|
|
* List of locks
|
|
* k - only accessed by curthread
|
|
* pp - pmap.c:invl_gen_mtx
|
|
*/
|
|
|
|
struct proc_ldt {
|
|
caddr_t ldt_base;
|
|
int ldt_refcnt;
|
|
};
|
|
|
|
struct pmap_invl_gen {
|
|
u_long gen; /* (k) */
|
|
LIST_ENTRY(pmap_invl_gen) link; /* (pp) */
|
|
};
|
|
|
|
/*
|
|
* Machine-dependent part of the proc structure for AMD64.
|
|
*/
|
|
struct mdthread {
|
|
int md_spinlock_count; /* (k) */
|
|
register_t md_saved_flags; /* (k) */
|
|
register_t md_spurflt_addr; /* (k) Spurious page fault address. */
|
|
struct pmap_invl_gen md_invl_gen;
|
|
};
|
|
|
|
struct mdproc {
|
|
struct proc_ldt *md_ldt; /* (t) per-process ldt */
|
|
struct system_segment_descriptor md_ldt_sd;
|
|
};
|
|
|
|
#define KINFO_PROC_SIZE 1088
|
|
#define KINFO_PROC32_SIZE 768
|
|
|
|
struct syscall_args {
|
|
u_int code;
|
|
struct sysent *callp;
|
|
register_t args[8];
|
|
int narg;
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
|
|
/* Get the current kernel thread stack usage. */
|
|
#define GET_STACK_USAGE(total, used) do { \
|
|
struct thread *td = curthread; \
|
|
(total) = td->td_kstack_pages * PAGE_SIZE; \
|
|
(used) = (char *)td->td_kstack + \
|
|
td->td_kstack_pages * PAGE_SIZE - \
|
|
(char *)&td; \
|
|
} while (0)
|
|
|
|
void set_user_ldt(struct mdproc *);
|
|
struct proc_ldt *user_ldt_alloc(struct proc *, int);
|
|
void user_ldt_free(struct thread *);
|
|
void user_ldt_deref(struct proc_ldt *);
|
|
struct sysarch_args;
|
|
int sysarch_ldt(struct thread *td, struct sysarch_args *uap, int uap_space);
|
|
int amd64_set_ldt_data(struct thread *td, int start, int num,
|
|
struct user_segment_descriptor *descs);
|
|
|
|
extern struct mtx dt_lock;
|
|
extern int max_ldt_segment;
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_MACHINE_PROC_H_ */
|