internal static void WriteConstant(BlobBuilder writer, object?value)
        {
            if (value == null)
            {
                // The encoding of Type for the nullref value for FieldInit is ELEMENT_TYPE_CLASS with a Value of a 32-bit.
                writer.WriteUInt32(0);
                return;
            }

            var type = value.GetType();

            if (type.GetTypeInfo().IsEnum)
            {
                type = Enum.GetUnderlyingType(type);
            }

            if (type == typeof(bool))
            {
                writer.WriteBoolean((bool)value);
            }
            else if (type == typeof(int))
            {
                writer.WriteInt32((int)value);
            }
            else if (type == typeof(string))
            {
                writer.WriteUTF16((string)value);
            }
            else if (type == typeof(byte))
            {
                writer.WriteByte((byte)value);
            }
            else if (type == typeof(char))
            {
                writer.WriteUInt16((char)value);
            }
            else if (type == typeof(double))
            {
                writer.WriteDouble((double)value);
            }
            else if (type == typeof(short))
            {
                writer.WriteInt16((short)value);
            }
            else if (type == typeof(long))
            {
                writer.WriteInt64((long)value);
            }
            else if (type == typeof(sbyte))
            {
                writer.WriteSByte((sbyte)value);
            }
            else if (type == typeof(float))
            {
                writer.WriteSingle((float)value);
            }
            else if (type == typeof(ushort))
            {
                writer.WriteUInt16((ushort)value);
            }
            else if (type == typeof(uint))
            {
                writer.WriteUInt32((uint)value);
            }
            else if (type == typeof(ulong))
            {
                writer.WriteUInt64((ulong)value);
            }
            else
            {
                throw new ArgumentException(SR.Format(SR.InvalidConstantValueOfType, type));
            }
        }
Ejemplo n.º 2
0
        internal static void WriteConstant(BlobBuilder writer, object value)
        {
            if (value == null)
            {
                // The encoding of Type for the nullref value for FieldInit is ELEMENT_TYPE_CLASS with a Value of a 32-bit.
                writer.WriteUInt32(0);
                return;
            }

            var type = value.GetType();
            if (type.GetTypeInfo().IsEnum)
            {
                type = Enum.GetUnderlyingType(type);
            }

            if (type == typeof(bool))
            {
                writer.WriteBoolean((bool)value);
            }
            else if (type == typeof(int))
            {
                writer.WriteInt32((int)value);
            }
            else if (type == typeof(string))
            {
                writer.WriteUTF16((string)value);
            }
            else if (type == typeof(byte))
            {
                writer.WriteByte((byte)value);
            }
            else if (type == typeof(char))
            {
                writer.WriteUInt16((char)value);
            }
            else if (type == typeof(double))
            {
                writer.WriteDouble((double)value);
            }
            else if (type == typeof(short))
            {
                writer.WriteInt16((short)value);
            }
            else if (type == typeof(long))
            {
                writer.WriteInt64((long)value);
            }
            else if (type == typeof(sbyte))
            {
                writer.WriteSByte((sbyte)value);
            }
            else if (type == typeof(float))
            {
                writer.WriteSingle((float)value);
            }
            else if (type == typeof(ushort))
            {
                writer.WriteUInt16((ushort)value);
            }
            else if (type == typeof(uint))
            {
                writer.WriteUInt32((uint)value);
            }
            else if (type == typeof(ulong))
            {
                writer.WriteUInt64((ulong)value);
            }
            else
            {
                throw new ArgumentException(SR.Format(SR.InvalidConstantValueOfType, type));
            }
        }
Ejemplo n.º 3
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        public void EmbeddedPortablePdb()
        {
            var b = new DebugDirectoryBuilder();

            var pdb = new BlobBuilder();
            pdb.WriteInt64(0x1122334455667788);

            b.AddEmbeddedPortablePdbEntry(pdb, portablePdbVersion: 0x0100);

            var blob = new BlobBuilder();
            b.Serialize(blob, new SectionLocation(0, 0), sectionOffset: 0);
            var bytes = blob.ToImmutableArray();

            AssertEx.Equal(new byte[]
            {
                0x00, 0x00, 0x00, 0x00, // Characteristics
                0x00, 0x00, 0x00, 0x00, // Stamp
                0x00, 0x01, 0x00, 0x01, // Version
                0x11, 0x00, 0x00, 0x00, // Type
                0x12, 0x00, 0x00, 0x00, // SizeOfData
                0x1C, 0x00, 0x00, 0x00, // AddressOfRawData
                0x1C, 0x00, 0x00, 0x00, // PointerToRawData

                0x4D, 0x50, 0x44, 0x42, // signature
                0x08, 0x00, 0x00, 0x00, // uncompressed size
                0xEB, 0x28, 0x4F, 0x0B, 0x75, 0x31, 0x56, 0x12, 0x04, 0x00 // compressed data
            }, bytes);

            using (var pinned = new PinnedBlob(bytes))
            {
                var actual = PEReader.ReadDebugDirectoryEntries(pinned.CreateReader(0, DebugDirectoryEntry.Size));
                Assert.Equal(1, actual.Length);
                Assert.Equal(0u, actual[0].Stamp);
                Assert.Equal(0x0100, actual[0].MajorVersion);
                Assert.Equal(0x0100, actual[0].MinorVersion);
                Assert.Equal(DebugDirectoryEntryType.EmbeddedPortablePdb, actual[0].Type);
                Assert.Equal(0x00000012, actual[0].DataSize);
                Assert.Equal(0x0000001c, actual[0].DataRelativeVirtualAddress);
                Assert.Equal(0x0000001c, actual[0].DataPointer);

                var provider = new ByteArrayMemoryProvider(bytes);
                using (var block = provider.GetMemoryBlock(actual[0].DataPointer, actual[0].DataSize))
                {
                    var decoded = PEReader.DecodeEmbeddedPortablePdbDebugDirectoryData(block);
                    AssertEx.Equal(new byte[] { 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11 }, decoded);
                }
            }
        }