private void readOptionalHeader(BinaryIn source)
{
magicNum = source.getTwo();
majorLinkerVersion = source.getOne();
minorLinkerVersion = source.getOne();
sizeOfCode = source.getFour();
sizeOfInitializedData = source.getFour();
sizeOfUninitializedData = source.getFour();
addressOfEntryPoint = source.getFour();
baseOfCode = source.getFour();
baseOfData = source.getFour();
imageBase = source.getFour();
memAlignment = source.getFour();
fileAlignment = source.getFour();
majorOSVersion = source.getTwo();
minorOSVersion = source.getTwo();
majorImageVersion = source.getTwo();
minorImageVersion = source.getTwo();
majorSubsystemVersion = source.getTwo();
minorSubsystemVersion = source.getTwo();
win32VersionValue = source.getFour();
sizeOfImage = source.getFour();
sizeOfHeaders = source.getFour();
checksum = source.getFour();
subsystem = source.getTwo();
dLLCharacteristics = source.getTwo();
sizeOfStackReserve = source.getFour();
sizeOfStackCommit = source.getFour();
sizeOfHeapReserve = source.getFour();
sizeOfHeapCommit = source.getFour();
loaderFlags = source.getFour();
numberOfRvaAndSizes = source.getFour();
dExportTable = DataDirectory.readIn(source);
dImportTable = DataDirectory.readIn(source);
dResourceTable = DataDirectory.readIn(source);
exceptionTable = DataDirectory.readIn(source);
certificatesTable = DataDirectory.readIn(source);
baseRelocationTable = DataDirectory.readIn(source);
debugTable = DataDirectory.readIn(source);
architecture = DataDirectory.readIn(source);
globalPtr = DataDirectory.readIn(source);
threadLocalStorageTable = DataDirectory.readIn(source);
loadConfigurationTable = DataDirectory.readIn(source);
boundImportTable = DataDirectory.readIn(source);
importAddressTable = DataDirectory.readIn(source);
delayImportDescriptor = DataDirectory.readIn(source);
CLRRuntimeHeader = DataDirectory.readIn(source);
reserved = DataDirectory.readIn(source);
}
public static ResImageGroupDataEntry parseData(BinaryIn src)
{
ResImageGroupDataEntry cgdata = new ResImageGroupDataEntry();
cgdata.bWidth = src.getOne();
cgdata.bHeight = src.getOne();
cgdata.bColorCount = src.getOne();
uint res = src.getOne();
cgdata.wPlanes = src.getTwo();
cgdata.wBitCount = src.getTwo();
cgdata.dwBytesInRes = src.getFour();
cgdata.nID = src.getTwo();
cgdata.image = null;
return cgdata;
}
public static ImportEntry loadFromFile(BinaryIn infile)
{
string name = infile.getAsciiZString();
uint addr = infile.getFour();
uint b = infile.getOne();
ImportEntry imp = new ImportEntry(name, addr, (IMPORTTYPE)b);
return(imp);
}
public static void loadSymbols(BinaryIn source, uint count, byte[] strtbl, Win32Obj objfile)
{
for (int i = 0; i < count;)
{
//get short name or pos in string tbl
uint nameloc = source.getPos();
uint namezeros = source.getFour();
String name = "";
if (namezeros == 0) //if first 4 bytes = 0, 2nd 4 bytes = ofs into str tbl
{
int namepos = (int)source.getFour();
name = readString(strtbl, namepos);
}
else
{
source.seek(nameloc);
name = source.getAsciiString(8);
}
//read rest of sym entry
uint val = source.getFour();
uint secval = source.getTwo();
uint type = source.getTwo();
CoffStorageClass storage = (CoffStorageClass)source.getOne();
uint aux = source.getOne();
CoffSymbol sym = null;
CoffSymbol.SYMBIND bind = CoffSymbol.SYMBIND.EXTERNAL;
uint size = 0;
uint addr = 0;
CoffSection sec = null;
switch (storage)
{
case CoffStorageClass.IMAGE_SYM_CLASS_EXTERNAL:
if (secval == 0)
{
if (val == 0)
{
bind = CoffSymbol.SYMBIND.EXTERNAL;
}
else
{
bind = CoffSymbol.SYMBIND.COMMON;
size = val;
}
}
else
{
bind = CoffSymbol.SYMBIND.GLOBAL;
sec = objfile.sections[(int)secval - 1];
if (val >= sec.memPos)
{
addr = val - sec.memPos;
}
}
sym = new CoffSymbol(name);
sym.bind = bind;
sym.typ = CoffSymbol.SYMTYPE.FUNCTION;
sym.section = sec;
sym.ofs = addr;
sym.size = size;
break;
case CoffStorageClass.IMAGE_SYM_CLASS_STATIC:
case CoffStorageClass.IMAGE_SYM_CLASS_LABEL:
if (secval != 0xffff)
{
sec = objfile.sections[(int)secval - 1];
if (val >= sec.memPos)
{
addr = val - sec.memPos;
}
sym = new CoffSymbol(name);
sym.bind = CoffSymbol.SYMBIND.LOCAL;
sym.typ = CoffSymbol.SYMTYPE.FUNCTION;
sym.section = sec;
sym.ofs = addr;
sym.size = size;
}
break;
case CoffStorageClass.IMAGE_SYM_CLASS_SECTION:
sec = objfile.sections[(int)secval - 1];
sym = new CoffSymbol(name);
sym.bind = CoffSymbol.SYMBIND.LOCAL;
sym.typ = CoffSymbol.SYMTYPE.FUNCTION;
sym.section = sec;
sym.ofs = addr;
sym.size = size;
break;
case CoffStorageClass.IMAGE_SYM_CLASS_FUNCTION:
case CoffStorageClass.IMAGE_SYM_CLASS_FILE:
break;
default:
break;
}
i++;
objfile.symbols.Add(sym);
if (sym != null)
{
objfile.symNames[sym.name] = sym;
}
//skip any aux sym entries
for (int j = 0; j < aux; j++)
{
source.skip(CoffSymbol.SYMTBLENTRYSIZE);
objfile.symbols.Add(null);
i++;
}
}
}