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}).");
}
}
private static void Save(string fileName)
{
int profiledFuncsCount;
OuterHeader outerHeader = new OuterHeader();
outerHeader.Magic = _outerHeaderMagic;
outerHeader.InfoFileVersion = InternalVersion;
outerHeader.Endianness = Ptc.GetEndianness();
outerHeader.SetHeaderHash();
using (MemoryStream stream = new MemoryStream())
{
Debug.Assert(stream.Seek(0L, SeekOrigin.Begin) == 0L && stream.Length == 0L);
stream.Seek((long)Unsafe.SizeOf <Hash128>(), SeekOrigin.Begin);
lock (_lock)
{
Serialize(stream, ProfiledFuncs);
profiledFuncsCount = ProfiledFuncs.Count;
}
Debug.Assert(stream.Position == stream.Length);
stream.Seek((long)Unsafe.SizeOf <Hash128>(), SeekOrigin.Begin);
Hash128 hash = XXHash128.ComputeHash(GetReadOnlySpan(stream));
stream.Seek(0L, SeekOrigin.Begin);
SerializeStructure(stream, hash);
if (hash == _lastHash)
{
return;
}
using (FileStream compressedStream = new(fileName, FileMode.OpenOrCreate))
using (DeflateStream deflateStream = new(compressedStream, SaveCompressionLevel, true))
{
try
{
SerializeStructure(compressedStream, outerHeader);
stream.WriteTo(deflateStream);
_lastHash = hash;
}
catch
{
compressedStream.Position = 0L;
_lastHash = default;
}
if (compressedStream.Position < compressedStream.Length)
{
compressedStream.SetLength(compressedStream.Position);
}
}
}
long fileSize = new FileInfo(fileName).Length;
if (fileSize != 0L)
{
Logger.Info?.Print(LogClass.Ptc, $"Saved Profiling Info (size: {fileSize} bytes, profiled functions: {profiledFuncsCount}).");
}
}
