usr/src/sys/sys/user.h

/*
 * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)user.h      7.20 (Berkeley) %G%
 */

#include <machine/pcb.h>
#ifndef KERNEL
/* stuff that *used* to be included by user.h, or is now needed */
#include <errno.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/ucred.h>
#include <sys/uio.h>
#endif
#include <sys/resourcevar.h>
#include <sys/signalvar.h>
#include <vm/vm.h>              /* XXX */
#include <sys/kinfo_proc.h>


/*
 * Per process structure containing data that isn't needed in core
 * when the process isn't running (esp. when swapped out).
 * This structure may or may not be at the same kernel address
 * in all processes.
 */

struct  user {
        struct  pcb u_pcb;

        struct  sigacts u_sigacts;      /* p_sigacts points here (use it!) */
        struct  pstats u_stats;         /* p_stats points here (use it!) */

        /*
         * Remaining fields only for core dump and/or ptrace--
         * not valid at other times!
         */
        struct  kinfo_proc u_kproc;     /* proc + eproc */
};

/*
 * Redefinitions to make the debuggers happy for now...
 * This subterfuge brought to you by coredump() and procxmt().
 * These fields are *only* valid at those times!
 */
#define U_ar0   u_kproc.kp_proc.p_md.md_regs /* copy of curproc->p_md.md_regs */
#define U_tsize u_kproc.kp_eproc.e_vm.vm_tsize
#define U_dsize u_kproc.kp_eproc.e_vm.vm_dsize
#define U_ssize u_kproc.kp_eproc.e_vm.vm_ssize
#define U_sig   u_sigacts.ps_sig
#define U_code  u_sigacts.ps_code

#ifndef KERNEL
#define u_ar0   U_ar0
#define u_tsize U_tsize
#define u_dsize U_dsize
#define u_ssize U_ssize
#define u_sig   U_sig
#define u_code  U_code
#endif /* KERNEL */