sys/kern/subr_kcore.c

   1 /*
   2  * Copyright (c) 2004 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Joerg Sonnenberger <joerg@bec.de>.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  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
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $DragonFly: src/sys/kern/subr_kcore.c,v 1.2 2006/05/24 03:23:31 dillon Exp $
  35  */
  36
  37 /*
  38  * This file is shared between the kernel and libkcore and they have
  39  * to be kept synchronized.
  40  */
  41
  42 #define _KERNEL_STRUCTURES
  43
  44 #include <sys/param.h>
  45 #include <sys/file.h>
  46 #include <sys/kcore.h>
  47 #include <sys/kinfo.h>
  48
  49 #ifdef _KERNEL
  50 #  include <sys/systm.h>
  51 #  include <sys/proc.h>
  52 #else
  53 #  include <sys/user.h>
  54 #  include <string.h>
  55 #endif
  56
  57 /*
  58  * MPSAFE - caller must hold requisit spinlocks
  59  */
  60 void
  61 kcore_make_file(struct kinfo_file *ufile, struct file *kfile,
  62                 pid_t pid, uid_t owner, int n)
  63 {
  64         bzero(ufile, sizeof(*ufile));
  65         ufile->f_size = sizeof(*ufile);
  66         ufile->f_pid = pid;
  67         ufile->f_uid = owner;
  68
  69         ufile->f_fd = n;
  70         ufile->f_file = kfile;
  71         ufile->f_data = kfile->f_data;
  72         ufile->f_type = kfile->f_type;
  73         ufile->f_count = kfile->f_count;
  74         ufile->f_msgcount = kfile->f_msgcount;
  75         ufile->f_offset = kfile->f_offset;
  76         ufile->f_flag = kfile->f_flag;
  77 }