private void WriteImportDirectory(MetadataWriter mw)
{
mw.Write(ImportDirectoryRVA + 40); // ImportLookupTable
mw.Write(0); // DateTimeStamp
mw.Write(0); // ForwarderChain
mw.Write(ImportHintNameTableRVA + 14); // Name
mw.Write(ImportAddressTableRVA);
mw.Write(new byte[20]);
// Import Lookup Table
mw.Write(ImportHintNameTableRVA); // Hint/Name Table RVA
int size = 48;
if (!peWriter.Is32Bit)
{
size += 4;
mw.Write(0);
}
mw.Write(0);
// alignment padding
for (int i = (int)(ImportHintNameTableRVA - (ImportDirectoryRVA + size)); i > 0; i--)
{
mw.Write((byte)0);
}
// Hint/Name Table
AssertRVA(mw, ImportHintNameTableRVA);
mw.Write((ushort)0); // Hint
if ((peWriter.Headers.FileHeader.Characteristics & IMAGE_FILE_HEADER.IMAGE_FILE_DLL) != 0)
{
mw.WriteAsciiz("_CorDllMain");
}
else
{
mw.WriteAsciiz("_CorExeMain");
}
// Name
mw.WriteAsciiz("mscoree.dll");
mw.Write((byte)0);
}
internal void Write(MetadataWriter mw, uint sdataRVA)
{
// sort the exports by ordinal
text.moduleBuilder.unmanagedExports.Sort(CompareUnmanagedExportOrdinals);
// Now write the Export Address Table
text.AssertRVA(mw, exportAddressTableRVA);
for (int i = 0, pos = 0; i < entries; i++)
{
if (text.moduleBuilder.unmanagedExports[pos].ordinal == i + ordinalBase)
{
mw.Write(text.peWriter.Thumb + stubsRVA + (uint)pos * stubLength);
pos++;
}
else
{
mw.Write(0);
}
}
// sort the exports by name
text.moduleBuilder.unmanagedExports.Sort(CompareUnmanagedExportNames);
// Now write the Export Name Pointer Table
text.AssertRVA(mw, exportNamePointerTableRVA);
uint nameOffset = (uint)text.moduleBuilder.fileName.Length + 1;
foreach (UnmanagedExport exp in text.moduleBuilder.unmanagedExports)
{
if (exp.name != null)
{
mw.Write(namesRVA + nameOffset);
nameOffset += (uint)exp.name.Length + 1;
}
}
// Now write the Export Ordinal Table
text.AssertRVA(mw, exportOrdinalTableRVA);
foreach (UnmanagedExport exp in text.moduleBuilder.unmanagedExports)
{
if (exp.name != null)
{
mw.Write((ushort)(exp.ordinal - ordinalBase));
}
}
// Now write the actual names
text.AssertRVA(mw, namesRVA);
mw.WriteAsciiz(text.moduleBuilder.fileName);
foreach (UnmanagedExport exp in text.moduleBuilder.unmanagedExports)
{
if (exp.name != null)
{
mw.WriteAsciiz(exp.name);
}
}
text.AssertRVA(mw, namesRVA + namesLength);
// alignment padding
for (int i = (int)(stubsRVA - (namesRVA + namesLength)); i > 0; i--)
{
mw.Write((byte)0);
}
// sort the exports by ordinal
text.moduleBuilder.unmanagedExports.Sort(CompareUnmanagedExportOrdinals);
// Now write the stubs
text.AssertRVA(mw, stubsRVA);
for (int i = 0, pos = 0; i < entries; i++)
{
if (text.moduleBuilder.unmanagedExports[pos].ordinal == i + ordinalBase)
{
switch (text.peWriter.Headers.FileHeader.Machine)
{
case IMAGE_FILE_HEADER.IMAGE_FILE_MACHINE_I386:
mw.Write((byte)0xFF);
mw.Write((byte)0x25);
mw.Write((uint)text.peWriter.Headers.OptionalHeader.ImageBase + text.moduleBuilder.unmanagedExports[pos].rva.initializedDataOffset + sdataRVA);
mw.Write((short)0); // alignment
break;
case IMAGE_FILE_HEADER.IMAGE_FILE_MACHINE_AMD64:
mw.Write((byte)0x48);
mw.Write((byte)0xA1);
mw.Write(text.peWriter.Headers.OptionalHeader.ImageBase + text.moduleBuilder.unmanagedExports[pos].rva.initializedDataOffset + sdataRVA);
mw.Write((byte)0xFF);
mw.Write((byte)0xE0);
mw.Write(0); // alignment
break;
case IMAGE_FILE_HEADER.IMAGE_FILE_MACHINE_ARM:
mw.Write((ushort)0xF8DF);
mw.Write((ushort)0xC008);
mw.Write((ushort)0xF8DC);
mw.Write((ushort)0xC000);
mw.Write((ushort)0x4760);
mw.Write((ushort)0xDEFE);
mw.Write((uint)text.peWriter.Headers.OptionalHeader.ImageBase + text.moduleBuilder.unmanagedExports[pos].rva.initializedDataOffset + sdataRVA);
break;
default:
throw new NotSupportedException();
}
pos++;
}
}
}
