/// <summary>
/// based on <a href="https://github.com/dotnet/coreclr/blob/master/src/zap/zapimport.cpp">ZapImportSectionsTable::Save</a>
/// </summary>
private void ParseImportSections()
{
if (!R2RHeader.Sections.ContainsKey(R2RSection.SectionType.READYTORUN_SECTION_IMPORT_SECTIONS))
{
return;
}
R2RSection importSectionsSection = R2RHeader.Sections[R2RSection.SectionType.READYTORUN_SECTION_IMPORT_SECTIONS];
int offset = GetOffset(importSectionsSection.RelativeVirtualAddress);
int endOffset = offset + importSectionsSection.Size;
while (offset < endOffset)
{
int rva = NativeReader.ReadInt32(Image, ref offset);
int sectionOffset = GetOffset(rva);
int startOffset = sectionOffset;
int size = NativeReader.ReadInt32(Image, ref offset);
CorCompileImportFlags flags = (CorCompileImportFlags)NativeReader.ReadUInt16(Image, ref offset);
byte type = NativeReader.ReadByte(Image, ref offset);
byte entrySize = NativeReader.ReadByte(Image, ref offset);
if (entrySize == 0)
{
switch (Machine)
{
case Machine.I386:
case Machine.ArmThumb2:
entrySize = 4;
break;
case Machine.Amd64:
case Machine.Arm64:
entrySize = 8;
break;
default:
throw new NotImplementedException(Machine.ToString());
}
}
int entryCount = 0;
if (entrySize != 0)
{
entryCount = size / entrySize;
}
int signatureRVA = NativeReader.ReadInt32(Image, ref offset);
int signatureOffset = 0;
if (signatureRVA != 0)
{
signatureOffset = GetOffset(signatureRVA);
}
List <R2RImportSection.ImportSectionEntry> entries = new List <R2RImportSection.ImportSectionEntry>();
for (int i = 0; i < entryCount; i++)
{
int entryOffset = sectionOffset - startOffset;
long section = NativeReader.ReadInt64(Image, ref sectionOffset);
uint sigRva = NativeReader.ReadUInt32(Image, ref signatureOffset);
int sigOffset = GetOffset((int)sigRva);
string cellName = MetadataNameFormatter.FormatSignature(this, sigOffset);
entries.Add(new R2RImportSection.ImportSectionEntry(entries.Count, entryOffset, entryOffset + rva, section, sigRva, cellName));
ImportCellNames.Add(rva + entrySize * i, cellName);
}
int auxDataRVA = NativeReader.ReadInt32(Image, ref offset);
int auxDataOffset = 0;
if (auxDataRVA != 0)
{
auxDataOffset = GetOffset(auxDataRVA);
}
ImportSections.Add(new R2RImportSection(ImportSections.Count, this, rva, size, flags, type, entrySize, signatureRVA, entries, auxDataRVA, auxDataOffset, Machine, R2RHeader.MajorVersion));
}
}
internal override void DumpSectionContents(R2RSection section, XmlNode parentNode = null)
{
switch (section.Type)
{
case R2RSection.SectionType.READYTORUN_SECTION_AVAILABLE_TYPES:
uint availableTypesSectionOffset = (uint)_r2r.GetOffset(section.RelativeVirtualAddress);
NativeParser availableTypesParser = new NativeParser(_r2r.Image, availableTypesSectionOffset);
NativeHashtable availableTypes = new NativeHashtable(_r2r.Image, availableTypesParser, (uint)(availableTypesSectionOffset + section.Size));
_writer.WriteLine(availableTypes.ToString());
foreach (string name in _r2r.AvailableTypes)
{
_writer.WriteLine(name);
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_METHODDEF_ENTRYPOINTS:
NativeArray methodEntryPoints = new NativeArray(_r2r.Image, (uint)_r2r.GetOffset(section.RelativeVirtualAddress));
_writer.Write(methodEntryPoints.ToString());
break;
case R2RSection.SectionType.READYTORUN_SECTION_INSTANCE_METHOD_ENTRYPOINTS:
uint instanceSectionOffset = (uint)_r2r.GetOffset(section.RelativeVirtualAddress);
NativeParser instanceParser = new NativeParser(_r2r.Image, instanceSectionOffset);
NativeHashtable instMethodEntryPoints = new NativeHashtable(_r2r.Image, instanceParser, (uint)(instanceSectionOffset + section.Size));
_writer.Write(instMethodEntryPoints.ToString());
break;
case R2RSection.SectionType.READYTORUN_SECTION_RUNTIME_FUNCTIONS:
int rtfOffset = _r2r.GetOffset(section.RelativeVirtualAddress);
int rtfEndOffset = rtfOffset + section.Size;
int rtfIndex = 0;
while (rtfOffset < rtfEndOffset)
{
int startRva = NativeReader.ReadInt32(_r2r.Image, ref rtfOffset);
int endRva = -1;
if (_r2r.Machine == Machine.Amd64)
{
endRva = NativeReader.ReadInt32(_r2r.Image, ref rtfOffset);
}
int unwindRva = NativeReader.ReadInt32(_r2r.Image, ref rtfOffset);
_writer.WriteLine($"Index: {rtfIndex}");
_writer.WriteLine($"\tStartRva: 0x{startRva:X8}");
if (endRva != -1)
{
_writer.WriteLine($"\tEndRva: 0x{endRva:X8}");
}
_writer.WriteLine($"\tUnwindRva: 0x{unwindRva:X8}");
rtfIndex++;
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_COMPILER_IDENTIFIER:
_writer.WriteLine(_r2r.CompilerIdentifier);
break;
case R2RSection.SectionType.READYTORUN_SECTION_IMPORT_SECTIONS:
foreach (R2RImportSection importSection in _r2r.ImportSections)
{
_writer.Write(importSection.ToString());
if (_raw && importSection.Entries.Count != 0)
{
if (importSection.SectionRVA != 0)
{
_writer.WriteLine("Section Bytes:");
DumpBytes(importSection.SectionRVA, (uint)importSection.SectionSize);
}
if (importSection.SignatureRVA != 0)
{
_writer.WriteLine("Signature Bytes:");
DumpBytes(importSection.SignatureRVA, (uint)importSection.Entries.Count * sizeof(int));
}
if (importSection.AuxiliaryDataRVA != 0)
{
_writer.WriteLine("AuxiliaryData Bytes:");
DumpBytes(importSection.AuxiliaryDataRVA, (uint)importSection.AuxiliaryData.Size);
}
}
foreach (R2RImportSection.ImportSectionEntry entry in importSection.Entries)
{
_writer.WriteLine(entry.ToString());
}
_writer.WriteLine();
}
break;
}
}
internal override void DumpSectionContents(ReadyToRunSection section)
{
switch (section.Type)
{
case ReadyToRunSectionType.AvailableTypes:
if (!_options.Naked)
{
uint availableTypesSectionOffset = (uint)_r2r.GetOffset(section.RelativeVirtualAddress);
NativeParser availableTypesParser = new NativeParser(_r2r.Image, availableTypesSectionOffset);
NativeHashtable availableTypes = new NativeHashtable(_r2r.Image, availableTypesParser, (uint)(availableTypesSectionOffset + section.Size));
_writer.WriteLine(availableTypes.ToString());
}
if (_r2r.AvailableTypes.TryGetValue(section, out List <string> sectionTypes))
{
_writer.WriteLine();
foreach (string name in sectionTypes)
{
_writer.WriteLine(name);
}
}
break;
case ReadyToRunSectionType.MethodDefEntryPoints:
if (!_options.Naked)
{
NativeArray methodEntryPoints = new NativeArray(_r2r.Image, (uint)_r2r.GetOffset(section.RelativeVirtualAddress));
_writer.Write(methodEntryPoints.ToString());
}
if (_r2r.Methods.TryGetValue(section, out List <ReadyToRunMethod> sectionMethods))
{
_writer.WriteLine();
foreach (ReadyToRunMethod method in sectionMethods)
{
_writer.WriteLine($@"{MetadataTokens.GetToken(method.MethodHandle):X8}: {method.SignatureString}");
}
}
break;
case ReadyToRunSectionType.InstanceMethodEntryPoints:
if (!_options.Naked)
{
uint instanceSectionOffset = (uint)_r2r.GetOffset(section.RelativeVirtualAddress);
NativeParser instanceParser = new NativeParser(_r2r.Image, instanceSectionOffset);
NativeHashtable instMethodEntryPoints = new NativeHashtable(_r2r.Image, instanceParser, (uint)(instanceSectionOffset + section.Size));
_writer.Write(instMethodEntryPoints.ToString());
_writer.WriteLine();
}
foreach (InstanceMethod instanceMethod in _r2r.InstanceMethods)
{
_writer.WriteLine($@"0x{instanceMethod.Bucket:X2} -> {instanceMethod.Method.SignatureString}");
}
break;
case ReadyToRunSectionType.RuntimeFunctions:
int rtfOffset = _r2r.GetOffset(section.RelativeVirtualAddress);
int rtfEndOffset = rtfOffset + section.Size;
int rtfIndex = 0;
while (rtfOffset < rtfEndOffset)
{
int startRva = NativeReader.ReadInt32(_r2r.Image, ref rtfOffset);
int endRva = -1;
if (_r2r.Machine == Machine.Amd64)
{
endRva = NativeReader.ReadInt32(_r2r.Image, ref rtfOffset);
}
int unwindRva = NativeReader.ReadInt32(_r2r.Image, ref rtfOffset);
_writer.WriteLine($"Index: {rtfIndex}");
_writer.WriteLine($" StartRva: 0x{startRva:X8}");
if (endRva != -1)
{
_writer.WriteLine($" EndRva: 0x{endRva:X8}");
}
_writer.WriteLine($" UnwindRva: 0x{unwindRva:X8}");
rtfIndex++;
}
break;
case ReadyToRunSectionType.CompilerIdentifier:
_writer.WriteLine(_r2r.CompilerIdentifier);
break;
case ReadyToRunSectionType.ImportSections:
if (_options.Naked)
{
DumpNakedImportSections();
}
else
{
foreach (ReadyToRunImportSection importSection in _r2r.ImportSections)
{
importSection.WriteTo(_writer);
if (_options.Raw && importSection.Entries.Count != 0)
{
if (importSection.SectionRVA != 0)
{
_writer.WriteLine("Section Bytes:");
DumpBytes(importSection.SectionRVA, (uint)importSection.SectionSize);
}
if (importSection.SignatureRVA != 0)
{
_writer.WriteLine("Signature Bytes:");
DumpBytes(importSection.SignatureRVA, (uint)importSection.Entries.Count * sizeof(int));
}
if (importSection.AuxiliaryDataRVA != 0 && importSection.AuxiliaryDataSize != 0)
{
_writer.WriteLine("AuxiliaryData Bytes:");
DumpBytes(importSection.AuxiliaryDataRVA, (uint)importSection.AuxiliaryDataSize);
}
}
foreach (ReadyToRunImportSection.ImportSectionEntry entry in importSection.Entries)
{
entry.WriteTo(_writer, _options);
_writer.WriteLine();
}
_writer.WriteLine();
}
}
break;
case ReadyToRunSectionType.ManifestMetadata:
int assemblyRefCount = 0;
if (!_r2r.Composite)
{
MetadataReader globalReader = _r2r.GetGlobalMetadataReader();
assemblyRefCount = globalReader.GetTableRowCount(TableIndex.AssemblyRef) + 1;
_writer.WriteLine($"MSIL AssemblyRef's ({assemblyRefCount} entries):");
for (int assemblyRefIndex = 1; assemblyRefIndex < assemblyRefCount; assemblyRefIndex++)
{
AssemblyReference assemblyRef = globalReader.GetAssemblyReference(MetadataTokens.AssemblyReferenceHandle(assemblyRefIndex));
string assemblyRefName = globalReader.GetString(assemblyRef.Name);
_writer.WriteLine($"[ID 0x{assemblyRefIndex:X2}]: {assemblyRefName}");
}
}
_writer.WriteLine($"Manifest metadata AssemblyRef's ({_r2r.ManifestReferenceAssemblies.Count} entries):");
int manifestAsmIndex = 0;
foreach (string manifestReferenceAssembly in _r2r.ManifestReferenceAssemblies.OrderBy(kvp => kvp.Value).Select(kvp => kvp.Key))
{
_writer.WriteLine($"[ID 0x{manifestAsmIndex + assemblyRefCount + 1:X2}]: {manifestReferenceAssembly}");
manifestAsmIndex++;
}
break;
case ReadyToRunSectionType.AttributePresence:
int attributesStartOffset = _r2r.GetOffset(section.RelativeVirtualAddress);
int attributesEndOffset = attributesStartOffset + section.Size;
NativeCuckooFilter attributes = new NativeCuckooFilter(_r2r.Image, attributesStartOffset, attributesEndOffset);
_writer.WriteLine("Attribute presence filter");
_writer.WriteLine(attributes.ToString());
break;
case ReadyToRunSectionType.InliningInfo:
int iiOffset = _r2r.GetOffset(section.RelativeVirtualAddress);
int iiEndOffset = iiOffset + section.Size;
InliningInfoSection inliningInfoSection = new InliningInfoSection(_r2r, iiOffset, iiEndOffset);
_writer.WriteLine(inliningInfoSection.ToString());
break;
case ReadyToRunSectionType.InliningInfo2:
int ii2Offset = _r2r.GetOffset(section.RelativeVirtualAddress);
int ii2EndOffset = ii2Offset + section.Size;
InliningInfoSection2 inliningInfoSection2 = new InliningInfoSection2(_r2r, ii2Offset, ii2EndOffset);
_writer.WriteLine(inliningInfoSection2.ToString());
break;
case ReadyToRunSectionType.OwnerCompositeExecutable:
int oceOffset = _r2r.GetOffset(section.RelativeVirtualAddress);
if (_r2r.Image[oceOffset + section.Size - 1] != 0)
{
R2RDump.WriteWarning("String is not zero-terminated");
}
string ownerCompositeExecutable = Encoding.UTF8.GetString(_r2r.Image, oceOffset, section.Size - 1); // exclude the zero terminator
_writer.WriteLine("Composite executable: {0}", ownerCompositeExecutable.ToEscapedString());
break;
}
}
/// <summary>
/// Get the RVAs of the runtime functions for each method
/// based on <a href="https://github.com/dotnet/coreclr/blob/master/src/zap/zapcode.cpp">ZapUnwindInfo::Save</a>
/// </summary>
private void ParseRuntimeFunctions(bool[] isEntryPoint, int runtimeFunctionOffset, int runtimeFunctionSize)
{
int curOffset = 0;
foreach (R2RMethod method in R2RMethods)
{
int runtimeFunctionId = method.EntryPointRuntimeFunctionId;
if (runtimeFunctionId == -1)
{
continue;
}
curOffset = runtimeFunctionOffset + runtimeFunctionId * runtimeFunctionSize;
BaseGcInfo gcInfo = null;
int codeOffset = 0;
do
{
int startRva = NativeReader.ReadInt32(Image, ref curOffset);
int endRva = -1;
if (Machine == Machine.Amd64)
{
endRva = NativeReader.ReadInt32(Image, ref curOffset);
}
int unwindRva = NativeReader.ReadInt32(Image, ref curOffset);
int unwindOffset = GetOffset(unwindRva);
BaseUnwindInfo unwindInfo = null;
if (Machine == Machine.Amd64)
{
unwindInfo = new Amd64.UnwindInfo(Image, unwindOffset);
if (isEntryPoint[runtimeFunctionId])
{
gcInfo = new Amd64.GcInfo(Image, unwindOffset + unwindInfo.Size, Machine, R2RHeader.MajorVersion);
}
}
else if (Machine == Machine.I386)
{
unwindInfo = new x86.UnwindInfo(Image, unwindOffset);
if (isEntryPoint[runtimeFunctionId])
{
gcInfo = new x86.GcInfo(Image, unwindOffset, Machine, R2RHeader.MajorVersion);
}
}
else if (Machine == Machine.ArmThumb2)
{
unwindInfo = new Arm.UnwindInfo(Image, unwindOffset);
if (isEntryPoint[runtimeFunctionId])
{
gcInfo = new Amd64.GcInfo(Image, unwindOffset + unwindInfo.Size, Machine, R2RHeader.MajorVersion); // Arm and Arm64 use the same GcInfo format as x64
}
}
else if (Machine == Machine.Arm64)
{
unwindInfo = new Arm64.UnwindInfo(Image, unwindOffset);
if (isEntryPoint[runtimeFunctionId])
{
gcInfo = new Amd64.GcInfo(Image, unwindOffset + unwindInfo.Size, Machine, R2RHeader.MajorVersion);
}
}
EHInfo ehInfo = null;
EHInfoLocation ehInfoLocation;
if (EHLookupTable != null && EHLookupTable.RuntimeFunctionToEHInfoMap.TryGetValue(startRva, out ehInfoLocation))
{
ehInfo = new EHInfo(this, ehInfoLocation.EHInfoRVA, startRva, GetOffset(ehInfoLocation.EHInfoRVA), ehInfoLocation.ClauseCount);
}
RuntimeFunction rtf = new RuntimeFunction(
runtimeFunctionId,
startRva,
endRva,
unwindRva,
codeOffset,
method,
unwindInfo,
gcInfo,
ehInfo,
_runtimeFunctionToDebugInfo.GetValueOrDefault(runtimeFunctionId));
method.RuntimeFunctions.Add(rtf);
runtimeFunctionId++;
codeOffset += rtf.Size;
}while (runtimeFunctionId < isEntryPoint.Length && !isEntryPoint[runtimeFunctionId]);
}
}
private void ParseImportSections()
{
if (!R2RHeader.Sections.ContainsKey(R2RSection.SectionType.READYTORUN_SECTION_IMPORT_SECTIONS))
{
return;
}
R2RSection importSectionsSection = R2RHeader.Sections[R2RSection.SectionType.READYTORUN_SECTION_IMPORT_SECTIONS];
int offset = GetOffset(importSectionsSection.RelativeVirtualAddress);
int endOffset = offset + importSectionsSection.Size;
while (offset < endOffset)
{
int rva = NativeReader.ReadInt32(Image, ref offset);
int sectionOffset = GetOffset(rva);
int startOffset = sectionOffset;
int size = NativeReader.ReadInt32(Image, ref offset);
R2RImportSection.CorCompileImportFlags flags = (R2RImportSection.CorCompileImportFlags)NativeReader.ReadUInt16(Image, ref offset);
byte type = NativeReader.ReadByte(Image, ref offset);
byte entrySize = NativeReader.ReadByte(Image, ref offset);
int entryCount = 0;
if (entrySize != 0)
{
entryCount = size / entrySize;
}
int signatureRVA = NativeReader.ReadInt32(Image, ref offset);
int signatureOffset = 0;
if (signatureRVA != 0)
{
signatureOffset = GetOffset(signatureRVA);
}
List <R2RImportSection.ImportSectionEntry> entries = new List <R2RImportSection.ImportSectionEntry>();
switch (flags)
{
case R2RImportSection.CorCompileImportFlags.CORCOMPILE_IMPORT_FLAGS_EAGER:
{
int tempSignatureOffset = signatureOffset;
int firstSigRva = NativeReader.ReadInt32(Image, ref tempSignatureOffset);
uint sigRva = 0;
while (sigRva != firstSigRva)
{
int entryOffset = sectionOffset - startOffset;
sigRva = NativeReader.ReadUInt32(Image, ref signatureOffset);
long section = NativeReader.ReadInt64(Image, ref sectionOffset);
int sigOff = GetOffset((int)sigRva);
int sigSampleLength = Math.Min(8, Image.Length - sigOff);
byte[] signatureSample = new byte[sigSampleLength];
Array.Copy(Image, sigOff, signatureSample, 0, sigSampleLength);
entries.Add(new R2RImportSection.ImportSectionEntry(entryOffset, section, sigRva, signatureSample));
}
}
break;
case R2RImportSection.CorCompileImportFlags.CORCOMPILE_IMPORT_FLAGS_CODE:
case R2RImportSection.CorCompileImportFlags.CORCOMPILE_IMPORT_FLAGS_PCODE:
for (int i = 0; i < entryCount; i++)
{
int entryOffset = sectionOffset - startOffset;
long section = NativeReader.ReadInt64(Image, ref sectionOffset);
uint sigRva = NativeReader.ReadUInt32(Image, ref signatureOffset);
int sigOff = GetOffset((int)sigRva);
int sigSampleLength = Math.Min(8, Image.Length - sigOff);
byte[] signatureSample = new byte[sigSampleLength];
Array.Copy(Image, sigOff, signatureSample, 0, sigSampleLength);
entries.Add(new R2RImportSection.ImportSectionEntry(entryOffset, section, sigRva, signatureSample));
}
break;
}
int auxDataRVA = NativeReader.ReadInt32(Image, ref offset);
int auxDataOffset = 0;
if (auxDataRVA != 0)
{
auxDataOffset = GetOffset(auxDataRVA);
}
ImportSections.Add(new R2RImportSection(Image, rva, size, flags, type, entrySize, signatureRVA, entries, auxDataRVA, auxDataOffset, Machine, R2RHeader.MajorVersion));
}
}
internal override void DumpSectionContents(R2RSection section, XmlNode parentNode = null)
{
switch (section.Type)
{
case R2RSection.SectionType.READYTORUN_SECTION_AVAILABLE_TYPES:
if (!_options.Naked)
{
uint availableTypesSectionOffset = (uint)_r2r.GetOffset(section.RelativeVirtualAddress);
NativeParser availableTypesParser = new NativeParser(_r2r.Image, availableTypesSectionOffset);
NativeHashtable availableTypes = new NativeHashtable(_r2r.Image, availableTypesParser, (uint)(availableTypesSectionOffset + section.Size));
_writer.WriteLine(availableTypes.ToString());
}
foreach (string name in _r2r.AvailableTypes)
{
_writer.WriteLine(name);
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_METHODDEF_ENTRYPOINTS:
if (!_options.Naked)
{
NativeArray methodEntryPoints = new NativeArray(_r2r.Image, (uint)_r2r.GetOffset(section.RelativeVirtualAddress));
_writer.Write(methodEntryPoints.ToString());
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_INSTANCE_METHOD_ENTRYPOINTS:
if (!_options.Naked)
{
uint instanceSectionOffset = (uint)_r2r.GetOffset(section.RelativeVirtualAddress);
NativeParser instanceParser = new NativeParser(_r2r.Image, instanceSectionOffset);
NativeHashtable instMethodEntryPoints = new NativeHashtable(_r2r.Image, instanceParser, (uint)(instanceSectionOffset + section.Size));
_writer.Write(instMethodEntryPoints.ToString());
_writer.WriteLine();
}
foreach (InstanceMethod instanceMethod in _r2r.InstanceMethods)
{
_writer.WriteLine($@"0x{instanceMethod.Bucket:X2} -> {instanceMethod.Method.SignatureString}");
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_RUNTIME_FUNCTIONS:
int rtfOffset = _r2r.GetOffset(section.RelativeVirtualAddress);
int rtfEndOffset = rtfOffset + section.Size;
int rtfIndex = 0;
while (rtfOffset < rtfEndOffset)
{
int startRva = NativeReader.ReadInt32(_r2r.Image, ref rtfOffset);
int endRva = -1;
if (_r2r.Machine == Machine.Amd64)
{
endRva = NativeReader.ReadInt32(_r2r.Image, ref rtfOffset);
}
int unwindRva = NativeReader.ReadInt32(_r2r.Image, ref rtfOffset);
_writer.WriteLine($"Index: {rtfIndex}");
_writer.WriteLine($"\tStartRva: 0x{startRva:X8}");
if (endRva != -1)
{
_writer.WriteLine($"\tEndRva: 0x{endRva:X8}");
}
_writer.WriteLine($"\tUnwindRva: 0x{unwindRva:X8}");
rtfIndex++;
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_COMPILER_IDENTIFIER:
_writer.WriteLine(_r2r.CompilerIdentifier);
break;
case R2RSection.SectionType.READYTORUN_SECTION_IMPORT_SECTIONS:
if (_options.Naked)
{
DumpNakedImportSections();
}
else
{
foreach (R2RImportSection importSection in _r2r.ImportSections)
{
importSection.WriteTo(_writer);
if (_options.Raw && importSection.Entries.Count != 0)
{
if (importSection.SectionRVA != 0)
{
_writer.WriteLine("Section Bytes:");
DumpBytes(importSection.SectionRVA, (uint)importSection.SectionSize);
}
if (importSection.SignatureRVA != 0)
{
_writer.WriteLine("Signature Bytes:");
DumpBytes(importSection.SignatureRVA, (uint)importSection.Entries.Count * sizeof(int));
}
if (importSection.AuxiliaryDataRVA != 0 && importSection.AuxiliaryDataSize != 0)
{
_writer.WriteLine("AuxiliaryData Bytes:");
DumpBytes(importSection.AuxiliaryDataRVA, (uint)importSection.AuxiliaryDataSize);
}
}
foreach (R2RImportSection.ImportSectionEntry entry in importSection.Entries)
{
entry.WriteTo(_writer, _options);
_writer.WriteLine();
}
_writer.WriteLine();
}
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_MANIFEST_METADATA:
int assemblyRefCount = _r2r.MetadataReader.GetTableRowCount(TableIndex.AssemblyRef);
_writer.WriteLine($"MSIL AssemblyRef's ({assemblyRefCount} entries):");
for (int assemblyRefIndex = 1; assemblyRefIndex <= assemblyRefCount; assemblyRefIndex++)
{
AssemblyReference assemblyRef = _r2r.MetadataReader.GetAssemblyReference(MetadataTokens.AssemblyReferenceHandle(assemblyRefIndex));
string assemblyRefName = _r2r.MetadataReader.GetString(assemblyRef.Name);
_writer.WriteLine($"[ID 0x{assemblyRefIndex:X2}]: {assemblyRefName}");
}
_writer.WriteLine($"Manifest metadata AssemblyRef's ({_r2r.ManifestReferenceAssemblies.Count} entries):");
for (int manifestAsmIndex = 0; manifestAsmIndex < _r2r.ManifestReferenceAssemblies.Count; manifestAsmIndex++)
{
_writer.WriteLine($"[ID 0x{manifestAsmIndex + assemblyRefCount + 2:X2}]: {_r2r.ManifestReferenceAssemblies[manifestAsmIndex]}");
}
break;
}
}
public Dictionary <int, GcTransition> GetTranstions(byte[] image, ref int bitOffset)
{
int totalInterruptibleLength = 0;
if (NumInterruptibleRanges == 0)
{
totalInterruptibleLength = CodeLength;
}
else
{
foreach (InterruptibleRange range in InterruptibleRanges)
{
totalInterruptibleLength += (int)(range.StopOffset - range.StartOffset);
}
}
int numChunks = (totalInterruptibleLength + _gcInfoTypes.NUM_NORM_CODE_OFFSETS_PER_CHUNK - 1) / _gcInfoTypes.NUM_NORM_CODE_OFFSETS_PER_CHUNK; //=2
int numBitsPerPointer = (int)NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.POINTER_SIZE_ENCBASE, ref bitOffset);
if (numBitsPerPointer == 0)
{
return(new Dictionary <int, GcTransition>());
}
int[] chunkPointers = new int[numChunks];
for (int i = 0; i < numChunks; i++)
{
chunkPointers[i] = NativeReader.ReadBits(image, numBitsPerPointer, ref bitOffset);
}
int info2Offset = (int)Math.Ceiling(bitOffset / 8.0) * 8;
List <GcTransition> transitions = new List <GcTransition>();
bool[] liveAtEnd = new bool[SlotTable.GcSlots.Count - SlotTable.NumUntracked];
for (int currentChunk = 0; currentChunk < numChunks; currentChunk++)
{
if (chunkPointers[currentChunk] == 0)
{
continue;
}
else
{
bitOffset = info2Offset + chunkPointers[currentChunk] - 1;
}
int couldBeLiveOffset = bitOffset;
int slotId = 0;
bool fSimple = (NativeReader.ReadBits(image, 1, ref couldBeLiveOffset) == 0);
bool fSkipFirst = false;
int couldBeLiveCnt = 0;
if (!fSimple)
{
fSkipFirst = (NativeReader.ReadBits(image, 1, ref couldBeLiveOffset) == 0);
slotId = -1;
}
uint numCouldBeLiveSlots = GetNumCouldBeLiveSlots(image, ref bitOffset);
int finalStateOffset = bitOffset;
bitOffset += (int)numCouldBeLiveSlots;
int normChunkBaseCodeOffset = currentChunk * _gcInfoTypes.NUM_NORM_CODE_OFFSETS_PER_CHUNK;
for (int i = 0; i < numCouldBeLiveSlots; i++)
{
slotId = GetNextSlotId(image, fSimple, fSkipFirst, slotId, ref couldBeLiveCnt, ref couldBeLiveOffset);
bool isLive = !liveAtEnd[slotId];
liveAtEnd[slotId] = (NativeReader.ReadBits(image, 1, ref finalStateOffset) != 0);
// Read transitions
while (NativeReader.ReadBits(image, 1, ref bitOffset) != 0)
{
int transitionOffset = NativeReader.ReadBits(image, _gcInfoTypes.NUM_NORM_CODE_OFFSETS_PER_CHUNK_LOG2, ref bitOffset) + normChunkBaseCodeOffset;
transitions.Add(new GcTransition(transitionOffset, slotId, isLive, currentChunk));
isLive = !isLive;
}
slotId++;
}
}
transitions.Sort((s1, s2) => s1.CodeOffset.CompareTo(s2.CodeOffset));
return(UpdateTransitionCodeOffset(transitions));
}
/// <summary>
/// Initializes the fields of the R2RHeader and R2RMethods
/// </summary>
/// <param name="filename">PE image</param>
/// <exception cref="BadImageFormatException">The Cor header flag must be ILLibrary</exception>
public unsafe R2RReader(string filename)
{
Filename = filename;
Image = File.ReadAllBytes(filename);
fixed(byte *p = Image)
{
IntPtr ptr = (IntPtr)p;
peReader = new PEReader(p, Image.Length);
IsR2R = (peReader.PEHeaders.CorHeader.Flags == CorFlags.ILLibrary);
if (!IsR2R)
{
throw new BadImageFormatException("The file is not a ReadyToRun image");
}
Machine = peReader.PEHeaders.CoffHeader.Machine;
ImageBase = peReader.PEHeaders.PEHeader.ImageBase;
// initialize R2RHeader
DirectoryEntry r2rHeaderDirectory = peReader.PEHeaders.CorHeader.ManagedNativeHeaderDirectory;
int r2rHeaderOffset = GetOffset(r2rHeaderDirectory.RelativeVirtualAddress);
R2RHeader = new R2RHeader(Image, r2rHeaderDirectory.RelativeVirtualAddress, r2rHeaderOffset);
if (r2rHeaderDirectory.Size != R2RHeader.Size)
{
throw new BadImageFormatException("The calculated size of the R2RHeader doesn't match the size saved in the ManagedNativeHeaderDirectory");
}
// initialize R2RMethods
if (peReader.HasMetadata)
{
MetadataReader mdReader = peReader.GetMetadataReader();
int runtimeFunctionSize = 2;
if (Machine == Machine.Amd64)
{
runtimeFunctionSize = 3;
}
runtimeFunctionSize *= sizeof(int);
R2RSection runtimeFunctionSection = R2RHeader.Sections[R2RSection.SectionType.READYTORUN_SECTION_RUNTIME_FUNCTIONS];
uint nRuntimeFunctions = (uint)(runtimeFunctionSection.Size / runtimeFunctionSize);
int runtimeFunctionOffset = GetOffset(runtimeFunctionSection.RelativeVirtualAddress);
bool[] isEntryPoint = new bool[nRuntimeFunctions];
for (int i = 0; i < nRuntimeFunctions; i++)
{
isEntryPoint[i] = false;
}
// initialize R2RMethods with method signatures from MethodDefHandle, and runtime function indices from MethodDefEntryPoints
int methodDefEntryPointsRVA = R2RHeader.Sections[R2RSection.SectionType.READYTORUN_SECTION_METHODDEF_ENTRYPOINTS].RelativeVirtualAddress;
int methodDefEntryPointsOffset = GetOffset(methodDefEntryPointsRVA);
NativeArray methodEntryPoints = new NativeArray(Image, (uint)methodDefEntryPointsOffset);
uint nMethodEntryPoints = methodEntryPoints.GetCount();
R2RMethods = new List <R2RMethod>();
for (uint rid = 1; rid <= nMethodEntryPoints; rid++)
{
int offset = 0;
if (methodEntryPoints.TryGetAt(Image, rid - 1, ref offset))
{
R2RMethod method = new R2RMethod(Image, mdReader, rid, GetEntryPointIdFromOffset(offset), null, null);
if (method.EntryPointRuntimeFunctionId < 0 || method.EntryPointRuntimeFunctionId >= nRuntimeFunctions)
{
throw new BadImageFormatException("EntryPointRuntimeFunctionId out of bounds");
}
isEntryPoint[method.EntryPointRuntimeFunctionId] = true;
R2RMethods.Add(method);
}
}
// instance method table
R2RSection instMethodEntryPointSection = R2RHeader.Sections[R2RSection.SectionType.READYTORUN_SECTION_INSTANCE_METHOD_ENTRYPOINTS];
int instMethodEntryPointsOffset = GetOffset(instMethodEntryPointSection.RelativeVirtualAddress);
NativeParser parser = new NativeParser(Image, (uint)instMethodEntryPointsOffset);
NativeHashtable instMethodEntryPoints = new NativeHashtable(Image, parser);
NativeHashtable.AllEntriesEnumerator allEntriesEnum = instMethodEntryPoints.EnumerateAllEntries();
NativeParser curParser = allEntriesEnum.GetNext();
while (!curParser.IsNull())
{
uint methodFlags = curParser.GetCompressedData();
uint rid = curParser.GetCompressedData();
if ((methodFlags & (byte)R2RMethod.EncodeMethodSigFlags.ENCODE_METHOD_SIG_MethodInstantiation) != 0)
{
uint nArgs = curParser.GetCompressedData();
R2RMethod.GenericElementTypes[] args = new R2RMethod.GenericElementTypes[nArgs];
uint[] tokens = new uint[nArgs];
for (int i = 0; i < nArgs; i++)
{
args[i] = (R2RMethod.GenericElementTypes)curParser.GetByte();
if (args[i] == R2RMethod.GenericElementTypes.ValueType)
{
tokens[i] = curParser.GetCompressedData();
tokens[i] = (tokens[i] >> 2);
}
}
uint id = curParser.GetUnsigned();
id = id >> 1;
R2RMethod method = new R2RMethod(Image, mdReader, rid, (int)id, args, tokens);
if (method.EntryPointRuntimeFunctionId >= 0 && method.EntryPointRuntimeFunctionId < nRuntimeFunctions)
{
isEntryPoint[method.EntryPointRuntimeFunctionId] = true;
}
R2RMethods.Add(method);
}
curParser = allEntriesEnum.GetNext();
}
// get the RVAs of the runtime functions for each method
int curOffset = 0;
foreach (R2RMethod method in R2RMethods)
{
int runtimeFunctionId = method.EntryPointRuntimeFunctionId;
if (runtimeFunctionId == -1)
{
continue;
}
curOffset = runtimeFunctionOffset + runtimeFunctionId * runtimeFunctionSize;
do
{
int startRva = NativeReader.ReadInt32(Image, ref curOffset);
int endRva = -1;
if (Machine == Machine.Amd64)
{
endRva = NativeReader.ReadInt32(Image, ref curOffset);
}
int unwindRva = NativeReader.ReadInt32(Image, ref curOffset);
method.RuntimeFunctions.Add(new RuntimeFunction(runtimeFunctionId, startRva, endRva, unwindRva, method));
runtimeFunctionId++;
}while (runtimeFunctionId < nRuntimeFunctions && !isEntryPoint[runtimeFunctionId]);
}
}
}
}
public GcInfo(byte[] image, int offset, Machine machine, ushort majorVersion)
{
Offset = offset;
_gcInfoTypes = new GcInfoTypes(machine);
SecurityObjectStackSlot = -1;
GSCookieStackSlot = -1;
PSPSymStackSlot = -1;
SecurityObjectStackSlot = -1;
GenericsInstContextStackSlot = -1;
StackBaseRegister = 0xffffffff;
SizeOfEditAndContinuePreservedArea = 0xffffffff;
ReversePInvokeFrameStackSlot = -1;
Version = ReadyToRunVersionToGcInfoVersion(majorVersion);
int bitOffset = offset * 8;
int startBitOffset = bitOffset;
ParseHeaderFlags(image, ref bitOffset);
if (Version >= MIN_GCINFO_VERSION_WITH_RETURN_KIND) // IsReturnKindAvailable
{
int returnKindBits = (_slimHeader) ? _gcInfoTypes.SIZE_OF_RETURN_KIND_SLIM : _gcInfoTypes.SIZE_OF_RETURN_KIND_FAT;
ReturnKind = (ReturnKinds)NativeReader.ReadBits(image, returnKindBits, ref bitOffset);
}
CodeLength = _gcInfoTypes.DenormalizeCodeLength((int)NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.CODE_LENGTH_ENCBASE, ref bitOffset));
if (_hasGSCookie)
{
uint normPrologSize = NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.NORM_PROLOG_SIZE_ENCBASE, ref bitOffset) + 1;
uint normEpilogSize = NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.NORM_PROLOG_SIZE_ENCBASE, ref bitOffset);
ValidRangeStart = normPrologSize;
ValidRangeEnd = (uint)CodeLength - normEpilogSize;
}
else if (_hasSecurityObject || _hasGenericsInstContext)
{
ValidRangeStart = NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.NORM_PROLOG_SIZE_ENCBASE, ref bitOffset) + 1;
ValidRangeEnd = ValidRangeStart + 1;
}
if (_hasSecurityObject)
{
SecurityObjectStackSlot = _gcInfoTypes.DenormalizeStackSlot(NativeReader.DecodeVarLengthSigned(image, _gcInfoTypes.SECURITY_OBJECT_STACK_SLOT_ENCBASE, ref bitOffset));
}
if (_hasGSCookie)
{
GSCookieStackSlot = _gcInfoTypes.DenormalizeStackSlot(NativeReader.DecodeVarLengthSigned(image, _gcInfoTypes.GS_COOKIE_STACK_SLOT_ENCBASE, ref bitOffset));
}
if (_hasPSPSym)
{
PSPSymStackSlot = _gcInfoTypes.DenormalizeStackSlot(NativeReader.DecodeVarLengthSigned(image, _gcInfoTypes.PSP_SYM_STACK_SLOT_ENCBASE, ref bitOffset));
}
if (_hasGenericsInstContext)
{
GenericsInstContextStackSlot = _gcInfoTypes.DenormalizeStackSlot(NativeReader.DecodeVarLengthSigned(image, _gcInfoTypes.GENERICS_INST_CONTEXT_STACK_SLOT_ENCBASE, ref bitOffset));
}
if (_hasStackBaseRegister && !_slimHeader)
{
StackBaseRegister = _gcInfoTypes.DenormalizeStackBaseRegister(NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.STACK_BASE_REGISTER_ENCBASE, ref bitOffset));
}
if (_hasSizeOfEditAndContinuePreservedArea)
{
SizeOfEditAndContinuePreservedArea = NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.SIZE_OF_EDIT_AND_CONTINUE_PRESERVED_AREA_ENCBASE, ref bitOffset);
}
if (_hasReversePInvokeFrame)
{
ReversePInvokeFrameStackSlot = NativeReader.DecodeVarLengthSigned(image, _gcInfoTypes.REVERSE_PINVOKE_FRAME_ENCBASE, ref bitOffset);
}
// FIXED_STACK_PARAMETER_SCRATCH_AREA (this macro is always defined in _gcInfoTypes.h)
if (!_slimHeader)
{
SizeOfStackOutgoingAndScratchArea = _gcInfoTypes.DenormalizeSizeOfStackArea(NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.SIZE_OF_STACK_AREA_ENCBASE, ref bitOffset));
}
// PARTIALLY_INTERRUPTIBLE_GC_SUPPORTED (this macro is always defined in _gcInfoTypes.h)
NumSafePoints = NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.NUM_SAFE_POINTS_ENCBASE, ref bitOffset);
if (!_slimHeader)
{
NumInterruptibleRanges = NativeReader.DecodeVarLengthUnsigned(image, _gcInfoTypes.NUM_INTERRUPTIBLE_RANGES_ENCBASE, ref bitOffset);
}
// PARTIALLY_INTERRUPTIBLE_GC_SUPPORTED (this macro is always defined in _gcInfoTypes.h)
SafePointOffsets = EnumerateSafePoints(image, ref bitOffset);
uint numBitsPerOffset = GcInfoTypes.CeilOfLog2(CodeLength);
bitOffset += (int)(NumSafePoints * numBitsPerOffset);
InterruptibleRanges = EnumerateInterruptibleRanges(image, _gcInfoTypes.INTERRUPTIBLE_RANGE_DELTA1_ENCBASE, _gcInfoTypes.INTERRUPTIBLE_RANGE_DELTA2_ENCBASE, ref bitOffset);
SlotTable = new GcSlotTable(image, machine, _gcInfoTypes, ref bitOffset);
Transitions = GetTranstions(image, ref bitOffset);
Size = bitOffset - startBitOffset;
_machine = machine;
}
internal override void DumpSectionContents(R2RSection section, XmlNode parentNode)
{
XmlNode contentsNode = XmlDocument.CreateNode("element", "Contents", "");
parentNode.AppendChild(contentsNode);
switch (section.Type)
{
case R2RSection.SectionType.READYTORUN_SECTION_AVAILABLE_TYPES:
int availableTypesId = 0;
foreach (string name in _r2r.AvailableTypes)
{
AddXMLNode("AvailableType", name, contentsNode, $"{availableTypesId++}");
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_RUNTIME_FUNCTIONS:
if (_ignoreSensitive)
{
break;
}
int rtfOffset = _r2r.GetOffset(section.RelativeVirtualAddress);
int rtfEndOffset = rtfOffset + section.Size;
int rtfIndex = 0;
while (rtfOffset < rtfEndOffset)
{
uint rva = NativeReader.ReadUInt32(_r2r.Image, ref rtfOffset);
AddXMLNode($"id{rtfIndex}", $"0x{rva:X8}", contentsNode, $"{rtfIndex}");
rtfIndex++;
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_COMPILER_IDENTIFIER:
AddXMLNode("CompilerIdentifier", _r2r.CompilerIdentifier, contentsNode);
break;
case R2RSection.SectionType.READYTORUN_SECTION_IMPORT_SECTIONS:
foreach (R2RImportSection importSection in _r2r.ImportSections)
{
XmlNode importSectionsNode = XmlDocument.CreateNode("element", "ImportSection", "");
AddXMLAttribute(importSectionsNode, "Index", $"{importSection.Index}");
contentsNode.AppendChild(importSectionsNode);
Serialize(importSection, importSectionsNode);
if (_options.Raw && importSection.Entries.Count != 0)
{
if (importSection.SectionRVA != 0)
{
DumpBytes(importSection.SectionRVA, (uint)importSection.SectionSize, importSectionsNode, "SectionBytes");
}
if (importSection.SignatureRVA != 0)
{
DumpBytes(importSection.SignatureRVA, (uint)importSection.Entries.Count * sizeof(int), importSectionsNode, "SignatureBytes");
}
if (importSection.AuxiliaryDataRVA != 0)
{
DumpBytes(importSection.AuxiliaryDataRVA, (uint)importSection.AuxiliaryDataSize, importSectionsNode, "AuxiliaryDataBytes");
}
}
foreach (R2RImportSection.ImportSectionEntry entry in importSection.Entries)
{
Serialize(entry, importSectionsNode);
}
}
break;
}
}
/// <summary>
/// Get the RVAs of the runtime functions for each method
/// based on <a href="https://github.com/dotnet/coreclr/blob/master/src/zap/zapcode.cpp">ZapUnwindInfo::Save</a>
/// </summary>
private void ParseRuntimeFunctions(bool[] isEntryPoint, int runtimeFunctionOffset, int runtimeFunctionSize)
{
int curOffset = 0;
foreach (R2RMethod method in R2RMethods)
{
int runtimeFunctionId = method.EntryPointRuntimeFunctionId;
if (runtimeFunctionId == -1)
{
continue;
}
curOffset = runtimeFunctionOffset + runtimeFunctionId * runtimeFunctionSize;
BaseGcInfo gcInfo = null;
int codeOffset = 0;
do
{
int startRva = NativeReader.ReadInt32(Image, ref curOffset);
int endRva = -1;
if (Machine == Machine.Amd64)
{
endRva = NativeReader.ReadInt32(Image, ref curOffset);
}
int unwindRva = NativeReader.ReadInt32(Image, ref curOffset);
int unwindOffset = GetOffset(unwindRva);
BaseUnwindInfo unwindInfo = null;
if (Machine == Machine.Amd64)
{
unwindInfo = new Amd64.UnwindInfo(Image, unwindOffset);
if (isEntryPoint[runtimeFunctionId])
{
gcInfo = new Amd64.GcInfo(Image, unwindOffset + unwindInfo.Size, Machine, R2RHeader.MajorVersion);
}
}
else if (Machine == Machine.I386)
{
unwindInfo = new x86.UnwindInfo(Image, unwindOffset);
if (isEntryPoint[runtimeFunctionId])
{
gcInfo = new x86.GcInfo(Image, unwindOffset, Machine, R2RHeader.MajorVersion);
}
}
else if (Machine == Machine.ArmThumb2)
{
unwindInfo = new Arm.UnwindInfo(Image, unwindOffset);
if (isEntryPoint[runtimeFunctionId])
{
gcInfo = new Amd64.GcInfo(Image, unwindOffset + unwindInfo.Size, Machine, R2RHeader.MajorVersion); // Arm and Arm64 use the same GcInfo format as x64
}
}
else if (Machine == Machine.Arm64)
{
unwindInfo = new Arm64.UnwindInfo(Image, unwindOffset);
if (isEntryPoint[runtimeFunctionId])
{
gcInfo = new Amd64.GcInfo(Image, unwindOffset + unwindInfo.Size, Machine, R2RHeader.MajorVersion);
}
}
RuntimeFunction rtf = new RuntimeFunction(runtimeFunctionId, startRva, endRva, unwindRva, codeOffset, method, unwindInfo, gcInfo);
method.RuntimeFunctions.Add(rtf);
runtimeFunctionId++;
codeOffset += rtf.Size;
}while (runtimeFunctionId < isEntryPoint.Length && !isEntryPoint[runtimeFunctionId]);
}
}
public bool TryGetAt(byte[] image, uint index, ref int pOffset)
{
if (index >= _nElements)
{
return(false);
}
uint offset = 0;
if (_entryIndexSize == 0)
{
int i = (int)(_baseOffset + (index / _blockSize));
offset = NativeReader.ReadByte(image, ref i);
}
else if (_entryIndexSize == 1)
{
int i = (int)(_baseOffset + 2 * (index / _blockSize));
offset = NativeReader.ReadUInt16(image, ref i);
}
else
{
int i = (int)(_baseOffset + 4 * (index / _blockSize));
offset = NativeReader.ReadUInt32(image, ref i);
}
offset += _baseOffset;
for (uint bit = _blockSize >> 1; bit > 0; bit >>= 1)
{
uint val = 0;
uint offset2 = NativeReader.DecodeUnsigned(image, offset, ref val);
if ((index & bit) != 0)
{
if ((val & 2) != 0)
{
offset = offset + (val >> 2);
continue;
}
}
else
{
if ((val & 1) != 0)
{
offset = offset2;
continue;
}
}
// Not found
if ((val & 3) == 0)
{
// Matching special leaf node?
if ((val >> 2) == (index & (_blockSize - 1)))
{
offset = offset2;
break;
}
}
return(false);
}
pOffset = (int)offset;
return(true);
}
private void DumpSectionContents(R2RReader r2r, R2RSection section)
{
switch (section.Type)
{
case R2RSection.SectionType.READYTORUN_SECTION_AVAILABLE_TYPES:
uint availableTypesSectionOffset = (uint)r2r.GetOffset(section.RelativeVirtualAddress);
NativeParser availableTypesParser = new NativeParser(r2r.Image, availableTypesSectionOffset);
NativeHashtable availableTypes = new NativeHashtable(r2r.Image, availableTypesParser, (uint)(availableTypesSectionOffset + section.Size));
_writer.WriteLine(availableTypes.ToString());
foreach (string name in r2r.AvailableTypes)
{
_writer.WriteLine(name);
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_METHODDEF_ENTRYPOINTS:
NativeArray methodEntryPoints = new NativeArray(r2r.Image, (uint)r2r.GetOffset(section.RelativeVirtualAddress));
_writer.Write(methodEntryPoints.ToString());
break;
case R2RSection.SectionType.READYTORUN_SECTION_INSTANCE_METHOD_ENTRYPOINTS:
uint instanceSectionOffset = (uint)r2r.GetOffset(section.RelativeVirtualAddress);
NativeParser instanceParser = new NativeParser(r2r.Image, instanceSectionOffset);
NativeHashtable instMethodEntryPoints = new NativeHashtable(r2r.Image, instanceParser, (uint)(instanceSectionOffset + section.Size));
_writer.Write(instMethodEntryPoints.ToString());
break;
case R2RSection.SectionType.READYTORUN_SECTION_RUNTIME_FUNCTIONS:
int rtfOffset = r2r.GetOffset(section.RelativeVirtualAddress);
int rtfEndOffset = rtfOffset + section.Size;
int rtfIndex = 0;
while (rtfOffset < rtfEndOffset)
{
uint rva = NativeReader.ReadUInt32(r2r.Image, ref rtfOffset);
_writer.WriteLine($"{rtfIndex}: 0x{rva:X8}");
rtfIndex++;
}
break;
case R2RSection.SectionType.READYTORUN_SECTION_COMPILER_IDENTIFIER:
_writer.WriteLine(r2r.CompileIdentifier);
break;
case R2RSection.SectionType.READYTORUN_SECTION_IMPORT_SECTIONS:
foreach (R2RImportSection importSection in r2r.ImportSections)
{
_writer.Write(importSection.ToString());
if (_raw && importSection.Entries.Count != 0)
{
if (importSection.SectionRVA != 0)
{
_writer.WriteLine("Section Bytes:");
DumpBytes(r2r, importSection.SectionRVA, (uint)importSection.SectionSize);
}
if (importSection.SignatureRVA != 0)
{
_writer.WriteLine("Signature Bytes:");
DumpBytes(r2r, importSection.SignatureRVA, (uint)importSection.Entries.Count * sizeof(int));
}
if (importSection.AuxiliaryDataRVA != 0)
{
_writer.WriteLine("AuxiliaryData Bytes:");
DumpBytes(r2r, importSection.AuxiliaryDataRVA, (uint)importSection.AuxiliaryData.Size);
}
}
foreach (R2RImportSection.ImportSectionEntry entry in importSection.Entries)
{
_writer.WriteLine();
_writer.WriteLine(entry.ToString());
}
_writer.WriteLine();
}
break;
}
}
