static HRESULT parse_metadata_header(ASSEMBLY *assembly, DWORD *hdrsz)
{
METADATAHDR *metadatahdr;
BYTE *ptr, *dest;
DWORD size, ofs;
ULONG rva;
rva = assembly->corhdr->MetaData.VirtualAddress;
ptr = assembly_rva_to_va(assembly, rva);
if (!ptr)
return E_FAIL;
metadatahdr = (METADATAHDR *)ptr;
assembly->metadatahdr = HeapAlloc(GetProcessHeap(), 0, sizeof(METADATAHDR));
if (!assembly->metadatahdr)
return E_OUTOFMEMORY;
size = FIELD_OFFSET(METADATAHDR, Version);
memcpy(assembly->metadatahdr, metadatahdr, size);
assembly->metadatahdr->Version = (LPSTR)&metadatahdr->Version;
ofs = FIELD_OFFSET(METADATAHDR, Flags);
ptr += FIELD_OFFSET(METADATAHDR, Version) + metadatahdr->VersionLength + 1;
dest = (BYTE *)assembly->metadatahdr + ofs;
memcpy(dest, ptr, sizeof(METADATAHDR) - ofs);
*hdrsz = sizeof(METADATAHDR) - sizeof(LPSTR) + metadatahdr->VersionLength + 1;
return S_OK;
}
HRESULT assembly_get_native_entrypoint(ASSEMBLY *assembly, NativeEntryPointFunc *func)
{
if (assembly->corhdr->Flags & COMIMAGE_FLAGS_NATIVE_ENTRYPOINT)
{
*func = assembly_rva_to_va(assembly, assembly->corhdr->EntryPointRVA);
return S_OK;
}
else
{
*func = NULL;
return S_FALSE;
}
}
static ULONG assembly_datadir_get_data(ASSEMBLY *assembly,
IMAGE_DATA_DIRECTORY *datadir, void **data)
{
if (!datadir->VirtualAddress || !datadir->Size)
{
*data = NULL;
return 0;
}
else
{
*data = assembly_rva_to_va(assembly, datadir->VirtualAddress);
return datadir->Size;
}
}
