コード例 #1
0
        private static unsafe void Save(string fileName)
        {
            int translatedFuncsCount;

            int headerSize = Unsafe.SizeOf <Header>();

            Header header = new Header()
            {
                Magic = _headerMagic,

                CacheFileVersion = InternalVersion,
                Endianness       = GetEndianness(),
                FeatureInfo      = GetFeatureInfo(),
                OSPlatform       = GetOSPlatform(),

                InfosLength        = (int)_infosStream.Length,
                CodesLength        = _codesList.Length(),
                RelocsLength       = (int)_relocsStream.Length,
                UnwindInfosLength  = (int)_unwindInfosStream.Length,
                PtcJumpTableLength = PtcJumpTable.GetSerializeSize(PtcJumpTable)
            };

            long size = (long)headerSize + header.InfosLength + header.CodesLength + header.RelocsLength + header.UnwindInfosLength + header.PtcJumpTableLength;

            Span <byte> sizeBytes = new byte[sizeof(long)];

            BinaryPrimitives.WriteInt64LittleEndian(sizeBytes, size);
            Hash128 sizeHash = XXHash128.ComputeHash(sizeBytes);

            Span <byte> sizeHashBytes = new byte[Unsafe.SizeOf <Hash128>()];

            MemoryMarshal.Write <Hash128>(sizeHashBytes, ref sizeHash);

            IntPtr intPtr = IntPtr.Zero;

            try
            {
                intPtr = Marshal.AllocHGlobal(new IntPtr(size));

                using (UnmanagedMemoryStream stream = new((byte *)intPtr.ToPointer(), size, size, FileAccess.ReadWrite))
                {
                    stream.Seek((long)headerSize, SeekOrigin.Begin);

                    ReadOnlySpan <byte> infosBytes = new(stream.PositionPointer, header.InfosLength);
                    _infosStream.WriteTo(stream);

                    ReadOnlySpan <byte> codesBytes = (int)header.CodesLength > 0 ? new(stream.PositionPointer, (int)header.CodesLength) : ReadOnlySpan <byte> .Empty;
                    _codesList.WriteTo(stream);

                    ReadOnlySpan <byte> relocsBytes = new(stream.PositionPointer, header.RelocsLength);
                    _relocsStream.WriteTo(stream);

                    ReadOnlySpan <byte> unwindInfosBytes = new(stream.PositionPointer, header.UnwindInfosLength);
                    _unwindInfosStream.WriteTo(stream);

                    ReadOnlySpan <byte> ptcJumpTableBytes = new(stream.PositionPointer, header.PtcJumpTableLength);
                    PtcJumpTable.Serialize(stream, PtcJumpTable);

                    header.InfosHash        = XXHash128.ComputeHash(infosBytes);
                    header.CodesHash        = XXHash128.ComputeHash(codesBytes);
                    header.RelocsHash       = XXHash128.ComputeHash(relocsBytes);
                    header.UnwindInfosHash  = XXHash128.ComputeHash(unwindInfosBytes);
                    header.PtcJumpTableHash = XXHash128.ComputeHash(ptcJumpTableBytes);

                    Debug.Assert(stream.Position == stream.Length);

                    stream.Seek(0L, SeekOrigin.Begin);
                    SerializeStructure(stream, header);

                    translatedFuncsCount = GetEntriesCount();

                    ResetCarriersIfNeeded();
                    PtcJumpTable.ClearIfNeeded();

                    using (FileStream compressedStream = new(fileName, FileMode.OpenOrCreate))
                        using (DeflateStream deflateStream = new(compressedStream, SaveCompressionLevel, true))
                        {
                            try
                            {
                                compressedStream.Write(sizeHashBytes);
                                compressedStream.Write(sizeBytes);

                                stream.Seek(0L, SeekOrigin.Begin);
                                stream.CopyTo(deflateStream);
                            }
                            catch
                            {
                                compressedStream.Position = 0L;
                            }

                            if (compressedStream.Position < compressedStream.Length)
                            {
                                compressedStream.SetLength(compressedStream.Position);
                            }
                        }
                }
            }
            finally
            {
                if (intPtr != IntPtr.Zero)
                {
                    Marshal.FreeHGlobal(intPtr);
                }
            }

            long fileSize = new FileInfo(fileName).Length;

            if (fileSize != 0L)
            {
                Logger.Info?.Print(LogClass.Ptc, $"Saved Translation Cache (size: {fileSize} bytes, translated functions: {translatedFuncsCount}).");
            }
        }
コード例 #2
0
ファイル: Ptc.cs プロジェクト: historria/Ryujinx
        private static unsafe void Save(string fileName)
        {
            int translatedFuncsCount;

            InnerHeader innerHeader = new InnerHeader();

            innerHeader.Magic = _innerHeaderMagic;

            innerHeader.InfosLength        = (int)_infosStream.Length;
            innerHeader.CodesLength        = _codesList.Length();
            innerHeader.RelocsLength       = (int)_relocsStream.Length;
            innerHeader.UnwindInfosLength  = (int)_unwindInfosStream.Length;
            innerHeader.PtcJumpTableLength = PtcJumpTable.GetSerializeSize(PtcJumpTable);

            OuterHeader outerHeader = new OuterHeader();

            outerHeader.Magic = _outerHeaderMagic;

            outerHeader.CacheFileVersion  = InternalVersion;
            outerHeader.Endianness        = GetEndianness();
            outerHeader.FeatureInfo       = GetFeatureInfo();
            outerHeader.MemoryManagerMode = GetMemoryManagerMode();
            outerHeader.OSPlatform        = GetOSPlatform();

            outerHeader.UncompressedStreamSize =
                (long)Unsafe.SizeOf <InnerHeader>() +
                innerHeader.InfosLength +
                innerHeader.CodesLength +
                innerHeader.RelocsLength +
                innerHeader.UnwindInfosLength +
                innerHeader.PtcJumpTableLength;

            outerHeader.SetHeaderHash();

            IntPtr intPtr = IntPtr.Zero;

            try
            {
                intPtr = Marshal.AllocHGlobal(new IntPtr(outerHeader.UncompressedStreamSize));

                using (UnmanagedMemoryStream stream = new((byte *)intPtr.ToPointer(), outerHeader.UncompressedStreamSize, outerHeader.UncompressedStreamSize, FileAccess.ReadWrite))
                {
                    stream.Seek((long)Unsafe.SizeOf <InnerHeader>(), SeekOrigin.Begin);

                    ReadOnlySpan <byte> infosBytes = new(stream.PositionPointer, innerHeader.InfosLength);
                    _infosStream.WriteTo(stream);

                    ReadOnlySpan <byte> codesBytes = (int)innerHeader.CodesLength > 0 ? new(stream.PositionPointer, (int)innerHeader.CodesLength) : ReadOnlySpan <byte> .Empty;
                    _codesList.WriteTo(stream);

                    ReadOnlySpan <byte> relocsBytes = new(stream.PositionPointer, innerHeader.RelocsLength);
                    _relocsStream.WriteTo(stream);

                    ReadOnlySpan <byte> unwindInfosBytes = new(stream.PositionPointer, innerHeader.UnwindInfosLength);
                    _unwindInfosStream.WriteTo(stream);

                    ReadOnlySpan <byte> ptcJumpTableBytes = new(stream.PositionPointer, innerHeader.PtcJumpTableLength);
                    PtcJumpTable.Serialize(stream, PtcJumpTable);

                    Debug.Assert(stream.Position == stream.Length);

                    innerHeader.InfosHash        = XXHash128.ComputeHash(infosBytes);
                    innerHeader.CodesHash        = XXHash128.ComputeHash(codesBytes);
                    innerHeader.RelocsHash       = XXHash128.ComputeHash(relocsBytes);
                    innerHeader.UnwindInfosHash  = XXHash128.ComputeHash(unwindInfosBytes);
                    innerHeader.PtcJumpTableHash = XXHash128.ComputeHash(ptcJumpTableBytes);

                    innerHeader.SetHeaderHash();

                    stream.Seek(0L, SeekOrigin.Begin);
                    SerializeStructure(stream, innerHeader);

                    translatedFuncsCount = GetEntriesCount();

                    ResetCarriersIfNeeded();
                    PtcJumpTable.ClearIfNeeded();

                    using (FileStream compressedStream = new(fileName, FileMode.OpenOrCreate))
                        using (DeflateStream deflateStream = new(compressedStream, SaveCompressionLevel, true))
                        {
                            try
                            {
                                SerializeStructure(compressedStream, outerHeader);

                                stream.Seek(0L, SeekOrigin.Begin);
                                stream.CopyTo(deflateStream);
                            }
                            catch
                            {
                                compressedStream.Position = 0L;
                            }

                            if (compressedStream.Position < compressedStream.Length)
                            {
                                compressedStream.SetLength(compressedStream.Position);
                            }
                        }
                }
            }
            finally
            {
                if (intPtr != IntPtr.Zero)
                {
                    Marshal.FreeHGlobal(intPtr);
                }
            }

            long fileSize = new FileInfo(fileName).Length;

            if (fileSize != 0L)
            {
                Logger.Info?.Print(LogClass.Ptc, $"Saved Translation Cache (size: {fileSize} bytes, translated functions: {translatedFuncsCount}).");
            }
        }
コード例 #3
0
        private static unsafe void Save(string fileName)
        {
            int translatedFuncsCount;

            int hashSize = Unsafe.SizeOf <Hash128>();

            int size = hashSize + Header.Size + GetMemoryStreamsLength() + PtcJumpTable.GetSerializeSize(PtcJumpTable);

            Span <byte> sizeBytes = new byte[sizeof(int)];

            BinaryPrimitives.WriteInt32LittleEndian(sizeBytes, size);
            Hash128 sizeHash = XXHash128.ComputeHash(sizeBytes);

            Span <byte> sizeHashBytes = new byte[hashSize];

            MemoryMarshal.Write <Hash128>(sizeHashBytes, ref sizeHash);

            IntPtr intPtr = IntPtr.Zero;

            try
            {
                intPtr = Marshal.AllocHGlobal(size);

                using (UnmanagedMemoryStream stream = new((byte *)intPtr.ToPointer(), size, size, FileAccess.ReadWrite))
                {
                    stream.Seek((long)hashSize, SeekOrigin.Begin);

                    WriteHeader(stream);

                    _infosStream.WriteTo(stream);
                    _codesStream.WriteTo(stream);
                    _relocsStream.WriteTo(stream);
                    _unwindInfosStream.WriteTo(stream);

                    PtcJumpTable.Serialize(stream, PtcJumpTable);

                    stream.Seek((long)hashSize, SeekOrigin.Begin);
                    ReadOnlySpan <byte> streamBytes = new(stream.PositionPointer, (int)(stream.Length - stream.Position));
                    Hash128             hash        = XXHash128.ComputeHash(streamBytes);

                    stream.Seek(0L, SeekOrigin.Begin);
                    SerializeStructure(stream, hash);

                    translatedFuncsCount = GetInfosEntriesCount();

                    ResetMemoryStreamsIfNeeded();
                    PtcJumpTable.ClearIfNeeded();

                    using (FileStream compressedStream = new(fileName, FileMode.OpenOrCreate))
                        using (DeflateStream deflateStream = new(compressedStream, SaveCompressionLevel, true))
                        {
                            try
                            {
                                compressedStream.Write(sizeHashBytes);
                                compressedStream.Write(sizeBytes);

                                stream.Seek(0L, SeekOrigin.Begin);
                                stream.CopyTo(deflateStream);
                            }
                            catch
                            {
                                compressedStream.Position = 0L;
                            }

                            if (compressedStream.Position < compressedStream.Length)
                            {
                                compressedStream.SetLength(compressedStream.Position);
                            }
                        }
                }
            }
            finally
            {
                if (intPtr != IntPtr.Zero)
                {
                    Marshal.FreeHGlobal(intPtr);
                }
            }

            long fileSize = new FileInfo(fileName).Length;

            if (fileSize != 0L)
            {
                Logger.Info?.Print(LogClass.Ptc, $"Saved Translation Cache (size: {fileSize} bytes, translated functions: {translatedFuncsCount}).");
            }
        }