tools/winedump/dos.c

   1 /*
   2  *      DOS dumping utility
   3  *
   4  *      Copyright 2006 Eric Pouech
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdlib.h>
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30 #include <time.h>
  31 #ifdef HAVE_SYS_TYPES_H
  32 # include <sys/types.h>
  33 #endif
  34 #ifdef HAVE_SYS_STAT_H
  35 # include <sys/stat.h>
  36 #endif
  37 #ifdef HAVE_SYS_MMAN_H
  38 #include <sys/mman.h>
  39 #endif
  40 #include <fcntl.h>
  41
  42 #define NONAMELESSUNION
  43 #define NONAMELESSSTRUCT
  44 #include "windef.h"
  45 #include "winbase.h"
  46 #include "winedump.h"
  47
  48 void dos_dump(void)
  49 {
  50     const IMAGE_DOS_HEADER*    dh;
  51
  52     if ((dh = PRD(0, sizeof(IMAGE_DOS_HEADER))))
  53     {
  54         printf("DOS image:\n");
  55         printf("  Signature:            %.2s\n", (const char*)&dh->e_magic);
  56         printf("  Bytes on last page:   %u\n", dh->e_cblp);
  57         printf("  Number of pages:      %u\n", dh->e_cp);
  58         printf("  Relocations:          %u\n", dh->e_crlc);
  59         printf("  Size of header:       %u\n", dh->e_cparhdr);
  60         printf("  Min extra paragraphs: %u\n", dh->e_minalloc);
  61         printf("  Max extra paragraphs: %u\n", dh->e_maxalloc);
  62         printf("  Initial stack:        %x:%x\n", dh->e_ss, dh->e_sp);
  63         printf("  Checksum:             %x\n", dh->e_csum);
  64         printf("  Initial address:      %x:%x\n", dh->e_cs, dh->e_ip);
  65         printf("  Relocation (file):    %u\n", dh->e_lfarlc);
  66         printf("  Overlay number:       %u\n", dh->e_ovno);
  67         printf("  OEM id(info):         %x(%x)\n", dh->e_oemid, dh->e_oeminfo);
  68         printf("  Offset to ext header: %x\n", dh->e_lfanew);
  69     }
  70 }