140 lines
3.2 KiB
C
140 lines
3.2 KiB
C
//--------------------
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// PROGRAM: PEDUMP
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// FILE: PEDUMP.C
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// AUTHOR: Matt Pietrek - 1993
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//--------------------
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#include <windows.h>
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#include <stdio.h>
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#include "objdump.h"
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#include "exedump.h"
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#include "extrnvar.h"
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// Global variables set here, and used in EXEDUMP.C and OBJDUMP.C
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BOOL fShowRelocations = FALSE;
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BOOL fShowRawSectionData = FALSE;
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BOOL fShowSymbolTable = FALSE;
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BOOL fShowLineNumbers = FALSE;
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char HelpText[] =
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"PEDUMP - Win32/COFF .EXE/.OBJ file dumper - 1993 Matt Pietrek\n\n"
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"Syntax: PEDUMP [switches] filename\n\n"
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" /A include everything in dump\n"
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" /H include hex dump of sections\n"
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" /L include line number information\n"
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" /R show base relocations\n"
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" /S show symbol table\n";
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//
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// Open up a file, memory map it, and call the appropriate dumping routine
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//
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void DumpFile(LPSTR filename)
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{
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HANDLE hFile;
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HANDLE hFileMapping;
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LPVOID lpFileBase;
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PIMAGE_DOS_HEADER dosHeader;
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hFile = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
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if ( hFile == INVALID_HANDLE_VALUE )
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{
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printf("Couldn't open file with CreateFile()\n");
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return;
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}
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hFileMapping = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
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if ( hFileMapping == 0 )
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{
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CloseHandle(hFile);
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printf("Couldn't open file mapping with CreateFileMapping()\n");
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return;
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}
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lpFileBase = MapViewOfFile(hFileMapping, FILE_MAP_READ, 0, 0, 0);
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if ( lpFileBase == 0 )
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{
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CloseHandle(hFileMapping);
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CloseHandle(hFile);
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printf("Couldn't map view of file with MapViewOfFile()\n");
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return;
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}
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printf("Dump of file %s\n\n", filename);
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dosHeader = (PIMAGE_DOS_HEADER)lpFileBase;
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if ( dosHeader->e_magic == IMAGE_DOS_SIGNATURE )
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{
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DumpExeFile( dosHeader );
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}
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else if ( (dosHeader->e_magic == 0x014C) // Does it look like a i386
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&& (dosHeader->e_sp == 0) ) // COFF OBJ file???
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{
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// The two tests above aren't what they look like. They're
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// really checking for IMAGE_FILE_HEADER.Machine == i386 (0x14C)
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// and IMAGE_FILE_HEADER.SizeOfOptionalHeader == 0;
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DumpObjFile( (PIMAGE_FILE_HEADER)lpFileBase );
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}
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else
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printf("unrecognized file format\n");
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UnmapViewOfFile(lpFileBase);
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CloseHandle(hFileMapping);
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CloseHandle(hFile);
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}
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//
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// process all the command line arguments and return a pointer to
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// the filename argument.
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//
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PSTR ProcessCommandLine(int argc, char *argv[])
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{
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int i;
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for ( i=1; i < argc; i++ )
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{
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strupr(argv[i]);
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// Is it a switch character?
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if ( (argv[i][0] == '-') || (argv[i][0] == '/') )
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{
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if ( argv[i][1] == 'A' )
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{
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fShowRelocations = TRUE;
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fShowRawSectionData = TRUE;
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fShowSymbolTable = TRUE;
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fShowLineNumbers = TRUE;
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}
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else if ( argv[i][1] == 'H' )
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fShowRawSectionData = TRUE;
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else if ( argv[i][1] == 'L' )
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fShowLineNumbers = TRUE;
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else if ( argv[i][1] == 'R' )
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fShowRelocations = TRUE;
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else if ( argv[i][1] == 'S' )
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fShowSymbolTable = TRUE;
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}
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else // Not a switch character. Must be the filename
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{
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return argv[i];
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}
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}
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}
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int main(int argc, char *argv[])
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{
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PSTR filename;
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if ( argc == 1 )
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{
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printf( HelpText );
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return 1;
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}
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filename = ProcessCommandLine(argc, argv);
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if ( filename )
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DumpFile( filename );
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return 0;
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}
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