private static ResourceSectionBuilder CreateNativeResourceSectionSerializer(CommonPEModuleBuilder module)
{
// Win32 resources are supplied to the compiler in one of two forms, .RES (the output of the resource compiler),
// or .OBJ (the output of running cvtres.exe on a .RES file). A .RES file is parsed and processed into
// a set of objects implementing IWin32Resources. These are then ordered and the final image form is constructed
// and written to the resource section. Resources in .OBJ form are already very close to their final output
// form. Rather than reading them and parsing them into a set of objects similar to those produced by
// processing a .RES file, we process them like the native linker would, copy the relevant sections from
// the .OBJ into our output and apply some fixups.
ResourceSection nativeResourceSectionOpt = module.Win32ResourceSection;
if (nativeResourceSectionOpt != null)
{
return(new ResourceSectionBuilderFromObj(nativeResourceSectionOpt));
}
IEnumerable <IWin32Resource> nativeResourcesOpt = module.Win32Resources;
if (nativeResourcesOpt?.Any() == true)
{
return(new ResourceSectionBuilderFromResources(nativeResourcesOpt));
}
return(null);
}
public static void SerializeWin32Resources(BlobBuilder builder, ResourceSection resourceSections, int resourcesRva)
{
var sectionWriter = new BlobWriter(builder.ReserveBytes(resourceSections.SectionBytes.Length));
sectionWriter.WriteBytes(resourceSections.SectionBytes);
var readStream = new MemoryStream(resourceSections.SectionBytes);
var reader = new BinaryReader(readStream);
foreach (int addressToFixup in resourceSections.Relocations)
{
sectionWriter.Offset = addressToFixup;
reader.BaseStream.Position = addressToFixup;
sectionWriter.WriteUInt32(reader.ReadUInt32() + (uint)resourcesRva);
}
}
public ResourceSectionBuilderFromObj(ResourceSection resourceSection)
{
Debug.Assert(resourceSection != null);
_resourceSection = resourceSection;
}