/// <inheritdoc />
protected override IList <ImportedSymbol> GetSymbols()
{
var result = new OwnedCollection <IImportedModule, ImportedSymbol>(this);
if (IsEmpty)
{
return(result);
}
bool is32Bit = _context.File.OptionalHeader.Magic == OptionalHeaderMagic.Pe32;
(ulong ordinalMask, int pointerSize) = is32Bit
? (0x8000_0000ul, sizeof(uint))
: (0x8000_0000_0000_0000ul, sizeof(ulong));
if (!_context.File.TryCreateReaderAtRva(_lookupRva, out var lookupItemReader))
{
_context.BadImage($"Imported module \"{Name}\" has an invalid import lookup thunk table RVA.");
return(result);
}
while (true)
{
ImportedSymbol entry;
ulong lookupItem = lookupItemReader.ReadNativeInt(is32Bit);
if (lookupItem == 0)
{
break;
}
if ((lookupItem & ordinalMask) != 0)
{
entry = new ImportedSymbol((ushort)(lookupItem & 0xFFFF));
}
else
{
uint hintNameRva = (uint)(lookupItem & 0xFFFFFFFF);
if (!_context.File.TryCreateReaderAtRva(hintNameRva, out var reader))
{
_context.BadImage($"Invalid Hint-Name RVA for import {Name}!#{result.Count.ToString()}.");
entry = new ImportedSymbol(0, "<<<INVALID_NAME_RVA>>>");
}
else
{
entry = new ImportedSymbol(reader.ReadUInt16(), reader.ReadAsciiString());
}
}
entry.AddressTableEntry = _context.File.GetReferenceToRva((uint)(_addressRva + result.Count * pointerSize));
result.Add(entry);
}
return(result);
}
/// <inheritdoc />
protected override IList <ImportedSymbol> GetSymbols()
{
var result = new List <ImportedSymbol>();
if (IsEmpty)
{
return(result);
}
ulong ordinalMask = _peFile.OptionalHeader.Magic == OptionalHeaderMagic.Pe32
? 0x8000_0000ul
: 0x8000_0000_0000_0000ul;
var lookupItems = ReadEntries(_lookupRva);
var addresses = ReadEntries(_addressRva);
for (int i = 0; i < lookupItems.Count; i++)
{
ImportedSymbol entry;
ulong lookupItem = lookupItems[i];
if ((lookupItem & ordinalMask) != 0)
{
entry = new ImportedSymbol((ushort)(lookupItem & 0xFFFF));
}
else
{
uint hintNameRva = (uint)(lookupItem & 0xFFFFFFFF);
var reader = _peFile.CreateReaderAtRva(hintNameRva);
entry = new ImportedSymbol(reader.ReadUInt16(), reader.ReadAsciiString());
}
entry.Address = addresses[i];
result.Add(entry);
}
return(result);
}
