internal static void LoadTranslations( ConcurrentDictionary <ulong, TranslatedFunction> funcs, IMemoryManager memory, JumpTable jumpTable, EntryTable <uint> countTable) { if (AreCarriersEmpty()) { return; } long infosStreamLength = _infosStream.Length; long relocsStreamLength = _relocsStream.Length; long unwindInfosStreamLength = _unwindInfosStream.Length; _infosStream.Seek(0L, SeekOrigin.Begin); _relocsStream.Seek(0L, SeekOrigin.Begin); _unwindInfosStream.Seek(0L, SeekOrigin.Begin); using (BinaryReader relocsReader = new(_relocsStream, EncodingCache.UTF8NoBOM, true)) using (BinaryReader unwindInfosReader = new(_unwindInfosStream, EncodingCache.UTF8NoBOM, true)) { for (int index = 0; index < GetEntriesCount(); index++) { InfoEntry infoEntry = DeserializeStructure <InfoEntry>(_infosStream); if (infoEntry.Stubbed) { SkipCode(index, infoEntry.CodeLength); SkipReloc(infoEntry.RelocEntriesCount); SkipUnwindInfo(unwindInfosReader); continue; } bool isEntryChanged = infoEntry.Hash != ComputeHash(memory, infoEntry.Address, infoEntry.GuestSize); if (isEntryChanged || (!infoEntry.HighCq && PtcProfiler.ProfiledFuncs.TryGetValue(infoEntry.Address, out var value) && value.HighCq)) { infoEntry.Stubbed = true; infoEntry.CodeLength = 0; UpdateInfo(infoEntry); StubCode(index); StubReloc(infoEntry.RelocEntriesCount); StubUnwindInfo(unwindInfosReader); if (isEntryChanged) { PtcJumpTable.Clean(infoEntry.Address); Logger.Info?.Print(LogClass.Ptc, $"Invalidated translated function (address: 0x{infoEntry.Address:X16})"); } continue; } byte[] code = ReadCode(index, infoEntry.CodeLength); Counter <uint> callCounter = null; if (infoEntry.RelocEntriesCount != 0) { RelocEntry[] relocEntries = GetRelocEntries(relocsReader, infoEntry.RelocEntriesCount); PatchCode(code, relocEntries, memory.PageTablePointer, jumpTable, countTable, out callCounter); } UnwindInfo unwindInfo = ReadUnwindInfo(unwindInfosReader); TranslatedFunction func = FastTranslate(code, callCounter, infoEntry.GuestSize, unwindInfo, infoEntry.HighCq); bool isAddressUnique = funcs.TryAdd(infoEntry.Address, func); Debug.Assert(isAddressUnique, $"The address 0x{infoEntry.Address:X16} is not unique."); } } if (_infosStream.Length != infosStreamLength || _infosStream.Position != infosStreamLength || _relocsStream.Length != relocsStreamLength || _relocsStream.Position != relocsStreamLength || _unwindInfosStream.Length != unwindInfosStreamLength || _unwindInfosStream.Position != unwindInfosStreamLength) { throw new Exception("The length of a memory stream has changed, or its position has not reached or has exceeded its end."); } jumpTable.Initialize(PtcJumpTable, funcs); PtcJumpTable.WriteJumpTable(jumpTable, funcs); PtcJumpTable.WriteDynamicTable(jumpTable); Logger.Info?.Print(LogClass.Ptc, $"{funcs.Count} translated functions loaded"); }
internal static void LoadTranslations(ConcurrentDictionary <ulong, TranslatedFunction> funcs, IMemoryManager memory, JumpTable jumpTable) { if (AreMemoryStreamsEmpty()) { return; } Debug.Assert(funcs.Count == 0); _infosStream.Seek(0L, SeekOrigin.Begin); _codesStream.Seek(0L, SeekOrigin.Begin); _relocsStream.Seek(0L, SeekOrigin.Begin); _unwindInfosStream.Seek(0L, SeekOrigin.Begin); using (BinaryReader infosReader = new(_infosStream, EncodingCache.UTF8NoBOM, true)) using (BinaryReader codesReader = new(_codesStream, EncodingCache.UTF8NoBOM, true)) using (BinaryReader relocsReader = new(_relocsStream, EncodingCache.UTF8NoBOM, true)) using (BinaryReader unwindInfosReader = new(_unwindInfosStream, EncodingCache.UTF8NoBOM, true)) { for (int i = 0; i < GetInfosEntriesCount(); i++) { InfoEntry infoEntry = ReadInfo(infosReader); if (infoEntry.Stubbed) { SkipCode(infoEntry.CodeLen); SkipReloc(infoEntry.RelocEntriesCount); SkipUnwindInfo(unwindInfosReader); continue; } bool isEntryChanged = infoEntry.Hash != ComputeHash(memory, infoEntry.Address, infoEntry.GuestSize); if (isEntryChanged || (!infoEntry.HighCq && PtcProfiler.ProfiledFuncs.TryGetValue(infoEntry.Address, out var value) && value.HighCq)) { infoEntry.Stubbed = true; UpdateInfo(infoEntry); StubCode(infoEntry.CodeLen); StubReloc(infoEntry.RelocEntriesCount); StubUnwindInfo(unwindInfosReader); if (isEntryChanged) { PtcJumpTable.Clean(infoEntry.Address); Logger.Info?.Print(LogClass.Ptc, $"Invalidated translated function (address: 0x{infoEntry.Address:X16})"); } continue; } Span <byte> code = ReadCode(codesReader, infoEntry.CodeLen); if (infoEntry.RelocEntriesCount != 0) { RelocEntry[] relocEntries = GetRelocEntries(relocsReader, infoEntry.RelocEntriesCount); PatchCode(code, relocEntries, memory.PageTablePointer, jumpTable); } UnwindInfo unwindInfo = ReadUnwindInfo(unwindInfosReader); TranslatedFunction func = FastTranslate(code, infoEntry.GuestSize, unwindInfo, infoEntry.HighCq); bool isAddressUnique = funcs.TryAdd(infoEntry.Address, func); Debug.Assert(isAddressUnique, $"The address 0x{infoEntry.Address:X16} is not unique."); } } if (_infosStream.Position < _infosStream.Length || _codesStream.Position < _codesStream.Length || _relocsStream.Position < _relocsStream.Length || _unwindInfosStream.Position < _unwindInfosStream.Length) { throw new Exception("Could not reach the end of one or more memory streams."); } jumpTable.Initialize(PtcJumpTable, funcs); PtcJumpTable.WriteJumpTable(jumpTable, funcs); PtcJumpTable.WriteDynamicTable(jumpTable); Logger.Info?.Print(LogClass.Ptc, $"{funcs.Count} translated functions loaded"); }