public Relocation(RelocType relocType, int offset, ISymbolNode target, int delta)
{
RelocType = relocType;
Offset = offset;
Target = target;
Delta = delta;
}
public unsafe static long ReadValue(RelocType relocType, void* location)
{
switch (relocType)
{
case RelocType.IMAGE_REL_BASED_ABSOLUTE:
case RelocType.IMAGE_REL_BASED_HIGHLOW:
case RelocType.IMAGE_REL_BASED_REL32:
return *(int*)location;
case RelocType.IMAGE_REL_BASED_DIR64:
return *(long*)location;
default:
Debug.Fail("Invalid RelocType: " + relocType);
return 0;
}
}
public unsafe static void WriteValue(RelocType relocType, void* location, long value)
{
switch (relocType)
{
case RelocType.IMAGE_REL_BASED_ABSOLUTE:
case RelocType.IMAGE_REL_BASED_HIGHLOW:
case RelocType.IMAGE_REL_BASED_REL32:
*(int*)location = (int)value;
break;
case RelocType.IMAGE_REL_BASED_DIR64:
*(long*)location = value;
break;
default:
Debug.Fail("Invalid RelocType: " + relocType);
break;
}
}
public void AddRelocAtOffset(ISymbolNode symbol, RelocType relocType, int offset, int delta = 0)
{
Relocation symbolReloc = new Relocation();
symbolReloc.Target = symbol;
symbolReloc.RelocType = relocType;
symbolReloc.Offset = offset;
symbolReloc.Delta = delta;
_relocs.Add(symbolReloc);
}
/// <summary>
/// Process a single relocation by copying the required number of bytes into a
/// buffer, applying the relocation and writing it to the output file.
/// </summary>
/// <param name="relocationType">Relocation type to process</param>
/// <param name="sourceRVA">RVA representing the address to relocate</param>
/// <param name="targetRVA">RVA representing the relocation target</param>
public void ProcessRelocation(RelocType relocationType, int sourceRVA, int targetRVA)
{
int relocationLength = 0;
long delta = 0;
switch (relocationType)
{
case RelocType.IMAGE_REL_BASED_ABSOLUTE:
// No relocation
return;
case RelocType.IMAGE_REL_BASED_HIGHLOW:
{
relocationLength = 4;
delta = unchecked (targetRVA + (int)_defaultImageBase);
break;
}
case RelocType.IMAGE_REL_BASED_ADDR32NB:
case RelocType.IMAGE_REL_SYMBOL_SIZE:
{
relocationLength = 4;
delta = targetRVA;
break;
}
case RelocType.IMAGE_REL_BASED_REL32:
{
relocationLength = 4;
delta = targetRVA - sourceRVA - 4;
break;
}
case RelocType.IMAGE_REL_BASED_DIR64:
{
relocationLength = 8;
delta = unchecked (targetRVA + (long)_defaultImageBase);
break;
}
case RelocType.IMAGE_REL_BASED_THUMB_MOV32:
{
relocationLength = 8;
delta = unchecked (targetRVA + (int)_defaultImageBase);
break;
}
case RelocType.IMAGE_REL_BASED_THUMB_BRANCH24:
{
relocationLength = 4;
delta = targetRVA - sourceRVA - 4;
break;
}
case RelocType.IMAGE_REL_BASED_ARM64_PAGEBASE_REL21:
{
relocationLength = 4;
delta = (targetRVA - sourceRVA) >> 12;
break;
}
case RelocType.IMAGE_REL_BASED_ARM64_PAGEOFFSET_12A:
{
relocationLength = 4;
delta = targetRVA & 0xfff;
break;
}
default:
throw new NotSupportedException();
}
if (relocationLength > 0)
{
CopyBytesToBuffer(_relocationBuffer, relocationLength);
unsafe
{
fixed(byte *bufferContent = _relocationBuffer)
{
long value = Relocation.ReadValue(relocationType, bufferContent);
// Supporting non-zero values for ARM64 would require refactoring this function
if (((relocationType == RelocType.IMAGE_REL_BASED_ARM64_PAGEBASE_REL21) || (relocationType == RelocType.IMAGE_REL_BASED_ARM64_PAGEOFFSET_12A)) && (value != 0))
{
throw new NotSupportedException();
}
Relocation.WriteValue(relocationType, bufferContent, unchecked (value + delta));
}
}
// Write the relocated bytes to the output file
_outputStream.Write(_relocationBuffer, 0, relocationLength);
_outputFilePos += relocationLength;
}
}
public void EmitReloc(ISymbolNode symbol, RelocType relocType)
{
AddRelocAtOffset(symbol, relocType, _data.Count);
// And add space for the reloc
switch (relocType)
{
case RelocType.IMAGE_REL_BASED_REL32:
EmitInt(0);
break;
case RelocType.IMAGE_REL_BASED_DIR64:
EmitLong(0);
break;
default:
throw new NotImplementedException();
}
}
public int EmitSymbolRef(string realSymbolName, int offsetFromSymbolName, bool isFunction, RelocType relocType, int delta = 0)
{
int symbolStartOffset = _currentObjectData.Count;
// Workaround for ObjectWriter's lack of support for IMAGE_REL_BASED_RELPTR32
// https://github.com/dotnet/corert/issues/3278
if (relocType == RelocType.IMAGE_REL_BASED_RELPTR32)
{
relocType = RelocType.IMAGE_REL_BASED_REL32;
delta = checked (delta + sizeof(int));
}
EmitBlob(new byte[this._nodeFactory.Target.PointerSize]);
if (relocType == RelocType.IMAGE_REL_BASED_REL32)
{
return(this._nodeFactory.Target.PointerSize);
}
_currentObjectSymbolRefs.Add(symbolStartOffset, new SymbolRefData(isFunction, realSymbolName, delta));
return(_nodeFactory.Target.PointerSize);
}
public void AddRelocAtOffset(ISymbolNode symbol, RelocType relocType, int offset, int delta = 0)
{
Relocation symbolReloc = new Relocation(relocType, offset, symbol, delta);
_relocs.Add(symbolReloc);
}
/// <summary>
/// Emit the .reloc section based on file relocation information in the individual blocks.
/// We rely on the fact that the .reloc section is emitted last so that, by the time
/// it's getting serialized, all other sections that may contain relocations have already
/// been laid out.
/// </summary>
private BlobBuilder SerializeRelocationSection(SectionLocation sectionLocation)
{
// There are 12 bits for the relative offset
const int RelocationTypeShift = 12;
const int MaxRelativeOffsetInBlock = (1 << RelocationTypeShift) - 1;
// Even though the format doesn't dictate it, it seems customary
// to align the base RVA's on 4K boundaries.
const int BaseRVAAlignment = 1 << RelocationTypeShift;
BlobBuilder builder = new BlobBuilder();
int baseRVA = 0;
List <ushort> offsetsAndTypes = null;
Section relocSection = FindSection(R2RPEBuilder.RelocSectionName);
if (relocSection != null)
{
relocSection.FilePosWhenPlaced = sectionLocation.PointerToRawData;
relocSection.RVAWhenPlaced = sectionLocation.RelativeVirtualAddress;
builder = relocSection.Content;
}
// Traverse relocations in all sections in their RVA order
// By now, all "normal" sections with relocations should already have been laid out
foreach (Section section in _sections.OrderBy((sec) => sec.RVAWhenPlaced))
{
foreach (PlacedObjectData placedObjectData in section.PlacedObjectDataToRelocate)
{
for (int relocIndex = 0; relocIndex < placedObjectData.Relocs.Length; relocIndex++)
{
RelocType relocType = placedObjectData.Relocs[relocIndex].RelocType;
RelocType fileRelocType = Relocation.GetFileRelocationType(relocType);
if (fileRelocType != RelocType.IMAGE_REL_BASED_ABSOLUTE)
{
int relocationRVA = section.RVAWhenPlaced + placedObjectData.Offset + placedObjectData.Relocs[relocIndex].Offset;
if (offsetsAndTypes != null && relocationRVA - baseRVA > MaxRelativeOffsetInBlock)
{
// Need to flush relocation block as the current RVA is too far from base RVA
FlushRelocationBlock(builder, baseRVA, offsetsAndTypes);
offsetsAndTypes = null;
}
if (offsetsAndTypes == null)
{
// Create new relocation block
baseRVA = relocationRVA & -BaseRVAAlignment;
offsetsAndTypes = new List <ushort>();
}
ushort offsetAndType = (ushort)(((ushort)fileRelocType << RelocationTypeShift) | (relocationRVA - baseRVA));
offsetsAndTypes.Add(offsetAndType);
}
}
}
}
if (offsetsAndTypes != null)
{
FlushRelocationBlock(builder, baseRVA, offsetsAndTypes);
}
if (builder.Count != 0)
{
_relocationDirectoryEntry = new DirectoryEntry(sectionLocation.RelativeVirtualAddress, builder.Count);
}
return(builder);
}
private static extern int EmitSymbolRef(IntPtr objWriter, byte[] symbolName, RelocType relocType, int delta);
public void AddRelocAtOffset(ISymbolNode symbol, RelocType relocType, int offset, int delta = 0)
{
Relocation symbolReloc = new Relocation(relocType, offset, symbol, delta);
_relocs.Add(symbolReloc);
}
/// <summary>
/// Process a single relocation by copying the required number of bytes into a
/// buffer, applying the relocation and writing it to the output file.
/// </summary>
/// <param name="relocationType">Relocation type to process</param>
/// <param name="sourceRVA">RVA representing the address to relocate</param>
/// <param name="targetRVA">RVA representing the relocation target</param>
public void ProcessRelocation(RelocType relocationType, int sourceRVA, int targetRVA, int filePosWhenPlaced)
{
int relocationLength = 0;
long delta = 0;
switch (relocationType)
{
case RelocType.IMAGE_REL_BASED_ABSOLUTE:
// No relocation
return;
case RelocType.IMAGE_REL_BASED_HIGHLOW:
{
relocationLength = 4;
delta = unchecked (targetRVA + (int)_defaultImageBase);
break;
}
case RelocType.IMAGE_REL_BASED_ADDR32NB:
case RelocType.IMAGE_REL_SYMBOL_SIZE:
{
relocationLength = 4;
delta = targetRVA;
break;
}
case RelocType.IMAGE_REL_BASED_REL32:
{
relocationLength = 4;
delta = targetRVA - sourceRVA - 4;
break;
}
case RelocType.IMAGE_REL_BASED_DIR64:
{
relocationLength = 8;
delta = unchecked (targetRVA + (long)_defaultImageBase);
break;
}
case RelocType.IMAGE_REL_BASED_THUMB_MOV32:
{
relocationLength = 8;
delta = unchecked (targetRVA + (int)_defaultImageBase);
break;
}
case RelocType.IMAGE_REL_BASED_THUMB_MOV32_PCREL:
{
relocationLength = 8;
const uint offsetCorrection = 12;
delta = unchecked (targetRVA - (sourceRVA + offsetCorrection));
break;
}
case RelocType.IMAGE_REL_BASED_THUMB_BRANCH24:
{
relocationLength = 4;
delta = targetRVA - sourceRVA - 4;
break;
}
case RelocType.IMAGE_REL_BASED_ARM64_PAGEBASE_REL21:
{
relocationLength = 4;
int sourcePageRVA = sourceRVA & ~0xfff;
// Page delta always fits in 21 bits as long as we use 4-byte RVAs
delta = ((targetRVA - sourcePageRVA) >> 12) & 0x1f_ffff;
break;
}
case RelocType.IMAGE_REL_BASED_ARM64_PAGEOFFSET_12A:
{
relocationLength = 4;
delta = targetRVA & 0xfff;
break;
}
case RelocType.IMAGE_REL_FILE_ABSOLUTE:
{
relocationLength = 4;
delta = filePosWhenPlaced;
break;
}
case RelocType.IMAGE_REL_BASED_LOONGARCH64_PC:
case RelocType.IMAGE_REL_BASED_LOONGARCH64_JIR:
{
relocationLength = 8;
delta = targetRVA - sourceRVA;
break;
}
default:
throw new NotSupportedException();
}
if (relocationLength > 0)
{
CopyBytesToBuffer(_relocationBuffer, relocationLength);
unsafe
{
fixed(byte *bufferContent = _relocationBuffer)
{
long value = Relocation.ReadValue(relocationType, bufferContent);
// Supporting non-zero values for ARM64 would require refactoring this function
if (((relocationType == RelocType.IMAGE_REL_BASED_ARM64_PAGEBASE_REL21) ||
(relocationType == RelocType.IMAGE_REL_BASED_ARM64_PAGEOFFSET_12A) ||
(relocationType == RelocType.IMAGE_REL_BASED_LOONGARCH64_PC) ||
(relocationType == RelocType.IMAGE_REL_BASED_LOONGARCH64_JIR)
) && (value != 0))
{
throw new NotSupportedException();
}
Relocation.WriteValue(relocationType, bufferContent, unchecked (value + delta));
}
}
// Write the relocated bytes to the output file
_outputStream.Write(_relocationBuffer, 0, relocationLength);
_outputFilePos += relocationLength;
}
}
// Returns size of the emitted symbol reference
public int EmitSymbolReference(ISymbolNode target, int delta, RelocType relocType)
{
string targetName = GetSymbolToEmitForTargetPlatform(target.MangledName);
return(EmitSymbolRef(targetName, relocType, delta));
}
/// <summary>
/// Process a single relocation by copying the required number of bytes into a
/// buffer, applying the relocation and writing it to the output file.
/// </summary>
/// <param name="relocationType">Relocation type to process</param>
/// <param name="sourceRVA">RVA representing the address to relocate</param>
/// <param name="targetRVA">RVA representing the relocation target</param>
public void ProcessRelocation(RelocType relocationType, int sourceRVA, int targetRVA)
{
int relocationLength = 0;
long delta = 0;
switch (relocationType)
{
case RelocType.IMAGE_REL_BASED_ABSOLUTE:
// No relocation
return;
case RelocType.IMAGE_REL_BASED_HIGHLOW:
{
relocationLength = 4;
delta = unchecked (targetRVA + (int)_defaultImageBase);
break;
}
case RelocType.IMAGE_REL_BASED_ADDR32NB:
{
relocationLength = 4;
delta = targetRVA;
break;
}
case RelocType.IMAGE_REL_BASED_REL32:
{
relocationLength = 4;
delta = targetRVA - sourceRVA - 4;
break;
}
case RelocType.IMAGE_REL_BASED_DIR64:
{
relocationLength = 8;
delta = unchecked (targetRVA + (long)_defaultImageBase);
break;
}
case RelocType.IMAGE_REL_BASED_THUMB_MOV32:
{
relocationLength = 8;
delta = unchecked (targetRVA + (int)_defaultImageBase);
break;
}
case RelocType.IMAGE_REL_BASED_THUMB_BRANCH24:
{
relocationLength = 4;
delta = targetRVA - sourceRVA - 4;
break;
}
default:
throw new NotSupportedException();
}
if (relocationLength > 0)
{
CopyBytesToBuffer(_relocationBuffer, relocationLength);
unsafe
{
fixed(byte *bufferContent = _relocationBuffer)
{
long value = Relocation.ReadValue(relocationType, bufferContent);
Relocation.WriteValue(relocationType, bufferContent, unchecked (value + delta));
}
}
// Write the relocated bytes to the output file
_outputStream.Write(_relocationBuffer, 0, relocationLength);
_outputFilePos += relocationLength;
}
}
public int EmitSymbolRef(string symbolName, RelocType relocType, int delta = 0)
{
return(EmitSymbolRef(_nativeObjectWriter, symbolName, relocType, delta));
}
// Returns size of the emitted symbol reference
public int EmitSymbolReference(ISymbolNode target, int delta, RelocType relocType)
{
_sb.Clear();
AppendExternCPrefix(_sb);
target.AppendMangledName(NodeFactory.NameMangler, _sb);
return EmitSymbolRef(_sb, relocType, delta);
}
public int EmitSymbolRef(Utf8StringBuilder symbolName, RelocType relocType, int delta = 0)
{
return EmitSymbolRef(_nativeObjectWriter, symbolName.Append('\0').UnderlyingArray, relocType, delta);
}
public void EmitReloc(ISymbolNode symbol, RelocType relocType, int delta = 0)
{
_builder.EmitReloc(symbol, relocType, delta);
}
public Relocation(RelocType relocType, int offset, ISymbolNode target)
{
RelocType = relocType;
Offset = offset;
Target = target;
}
/// <summary>
/// Add an ObjectData block to a given section.
/// </summary>
/// <param name="data">Block to add</param>
/// <param name="sectionIndex">Section index</param>
/// <param name="name">Node name to emit in the map file</param>
/// <param name="mapFileBuilder">Optional map file to emit</param>
public void AddObjectData(ObjectNode.ObjectData objectData, int sectionIndex, string name, MapFileBuilder mapFileBuilder)
{
Section section = _sections[sectionIndex];
// Calculate alignment padding - apparently ObjectDataBuilder can produce an alignment of 0
int alignedOffset = section.Content.Count;
if (objectData.Alignment > 1)
{
alignedOffset = (section.Content.Count + objectData.Alignment - 1) & -objectData.Alignment;
int padding = alignedOffset - section.Content.Count;
if (padding > 0)
{
if ((section.Characteristics & SectionCharacteristics.ContainsCode) != 0)
{
uint cp = _codePadding;
while (padding >= sizeof(uint))
{
section.Content.WriteUInt32(cp);
padding -= sizeof(uint);
}
if (padding >= 2)
{
section.Content.WriteUInt16(unchecked ((ushort)cp));
cp >>= 16;
}
if ((padding & 1) != 0)
{
section.Content.WriteByte(unchecked ((byte)cp));
}
}
else
{
section.Content.WriteBytes(0, padding);
}
}
}
if (mapFileBuilder != null)
{
MapFileNode node = new MapFileNode(sectionIndex, alignedOffset, objectData.Data.Length, name);
mapFileBuilder.AddNode(node);
if (objectData.Relocs != null)
{
foreach (Relocation reloc in objectData.Relocs)
{
RelocType fileReloc = Relocation.GetFileRelocationType(reloc.RelocType);
if (fileReloc != RelocType.IMAGE_REL_BASED_ABSOLUTE)
{
mapFileBuilder.AddRelocation(node, fileReloc);
}
}
}
}
section.Content.WriteBytes(objectData.Data);
if (objectData.DefinedSymbols != null)
{
foreach (ISymbolDefinitionNode symbol in objectData.DefinedSymbols)
{
if (mapFileBuilder != null)
{
Utf8StringBuilder sb = new Utf8StringBuilder();
symbol.AppendMangledName(GetNameMangler(), sb);
int sectionRelativeOffset = alignedOffset + symbol.Offset;
mapFileBuilder.AddSymbol(new MapFileSymbol(sectionIndex, sectionRelativeOffset, sb.ToString()));
}
_symbolMap.Add(symbol, new SymbolTarget(
sectionIndex: sectionIndex,
offset: alignedOffset + symbol.Offset,
size: objectData.Data.Length));
}
}
if (objectData.Relocs != null && objectData.Relocs.Length != 0)
{
section.PlacedObjectDataToRelocate.Add(new PlacedObjectData(alignedOffset, objectData));
}
}
public int EmitSymbolRef(string symbolName, RelocType relocType, int delta = 0)
{
return EmitSymbolRef(_nativeObjectWriter, symbolName, relocType, delta);
}
public void EmitReloc(ISymbolNode symbol, RelocType relocType, int delta = 0)
{
_relocs.Add(new Relocation(relocType, _data.Count, symbol));
// And add space for the reloc
switch (relocType)
{
case RelocType.IMAGE_REL_BASED_REL32:
case RelocType.IMAGE_REL_BASED_ABSOLUTE:
EmitInt(delta);
break;
case RelocType.IMAGE_REL_BASED_DIR64:
EmitLong(delta);
break;
default:
throw new NotImplementedException();
}
}
private void ComputeDependencyNodeDependencies(List <DependencyNodeCore <NodeFactory> > obj)
{
foreach (MethodCodeNode methodCodeNodeNeedingCode in obj)
{
MethodDesc method = methodCodeNodeNeedingCode.Method;
string methodName = method.ToString();
Log.WriteLine("Compiling " + methodName);
var methodIL = _ilProvider.GetMethodIL(method);
if (methodIL == null)
{
return;
}
MethodCode methodCode;
try
{
if (_skipJitList.Contains(new TypeAndMethod(method.OwningType.Name, method.Name)))
{
throw new NotImplementedException("SkipJIT");
}
methodCode = _corInfo.CompileMethod(method);
if (methodCode.Relocs != null)
{
if (methodCode.Relocs.Any(r => r.Target is FieldDesc))
{
// We only support FieldDesc for InitializeArray intrinsic right now.
throw new NotImplementedException("RuntimeFieldHandle is not implemented");
}
}
}
catch (Exception e)
{
Log.WriteLine("*** " + e.Message + " (" + method + ")");
// Call the __not_yet_implemented method
DependencyAnalysis.X64.X64Emitter emit = new DependencyAnalysis.X64.X64Emitter(_nodeFactory);
emit.Builder.RequireAlignment(_nodeFactory.Target.MinimumFunctionAlignment);
emit.Builder.DefinedSymbols.Add(methodCodeNodeNeedingCode);
emit.EmitLEAQ(emit.TargetRegister.Arg0, _nodeFactory.StringIndirection(method.ToString()));
DependencyAnalysis.X64.AddrMode loadFromArg0 =
new DependencyAnalysis.X64.AddrMode(emit.TargetRegister.Arg0, null, 0, 0, DependencyAnalysis.X64.AddrModeSize.Int64);
emit.EmitMOV(emit.TargetRegister.Arg0, ref loadFromArg0);
emit.EmitMOV(emit.TargetRegister.Arg0, ref loadFromArg0);
emit.EmitLEAQ(emit.TargetRegister.Arg1, _nodeFactory.StringIndirection(e.Message));
DependencyAnalysis.X64.AddrMode loadFromArg1 =
new DependencyAnalysis.X64.AddrMode(emit.TargetRegister.Arg1, null, 0, 0, DependencyAnalysis.X64.AddrModeSize.Int64);
emit.EmitMOV(emit.TargetRegister.Arg1, ref loadFromArg1);
emit.EmitMOV(emit.TargetRegister.Arg1, ref loadFromArg1);
emit.EmitJMP(_nodeFactory.ExternSymbol("__not_yet_implemented"));
methodCodeNodeNeedingCode.SetCode(emit.Builder.ToObjectData());
continue;
}
ObjectDataBuilder objData = new ObjectDataBuilder();
objData.Alignment = _nodeFactory.Target.MinimumFunctionAlignment;
objData.EmitBytes(methodCode.Code);
objData.DefinedSymbols.Add(methodCodeNodeNeedingCode);
BlobNode readOnlyDataBlob = null;
if (methodCode.ROData != null)
{
readOnlyDataBlob = _nodeFactory.ReadOnlyDataBlob(
"__readonlydata_" + _nameMangler.GetMangledMethodName(method),
methodCode.ROData, methodCode.RODataAlignment);
}
if (methodCode.Relocs != null)
{
for (int i = 0; i < methodCode.Relocs.Length; i++)
{
// TODO: Arbitrary relocs
if (methodCode.Relocs[i].Block != BlockType.Code)
{
throw new NotImplementedException();
}
int offset = methodCode.Relocs[i].Offset;
int delta = methodCode.Relocs[i].Delta;
RelocType relocType = (RelocType)methodCode.Relocs[i].RelocType;
ISymbolNode targetNode;
object target = methodCode.Relocs[i].Target;
if (target is MethodDesc)
{
targetNode = _nodeFactory.MethodEntrypoint((MethodDesc)target);
}
else if (target is ReadyToRunHelper)
{
targetNode = _nodeFactory.ReadyToRunHelper((ReadyToRunHelper)target);
}
else if (target is JitHelper)
{
targetNode = _nodeFactory.ExternSymbol(((JitHelper)target).MangledName);
}
else if (target is string)
{
targetNode = _nodeFactory.StringIndirection((string)target);
}
else if (target is TypeDesc)
{
targetNode = _nodeFactory.NecessaryTypeSymbol((TypeDesc)target);
}
else if (target is RvaFieldData)
{
var rvaFieldData = (RvaFieldData)target;
targetNode = _nodeFactory.ReadOnlyDataBlob(rvaFieldData.MangledName,
rvaFieldData.Data, _typeSystemContext.Target.PointerSize);
}
else if (target is BlockRelativeTarget)
{
var blockRelativeTarget = (BlockRelativeTarget)target;
// TODO: Arbitrary block relative relocs
if (blockRelativeTarget.Block != BlockType.ROData)
{
throw new NotImplementedException();
}
targetNode = readOnlyDataBlob;
}
else
{
// TODO:
throw new NotImplementedException();
}
objData.AddRelocAtOffset(targetNode, relocType, offset, delta);
}
}
// TODO: ColdCode
if (methodCode.ColdCode != null)
{
throw new NotImplementedException();
}
methodCodeNodeNeedingCode.SetCode(objData.ToObjectData());
methodCodeNodeNeedingCode.InitializeFrameInfos(methodCode.FrameInfos);
methodCodeNodeNeedingCode.InitializeDebugLocInfos(methodCode.DebugLocInfos);
}
}
public int EmitSymbolRef(Utf8StringBuilder symbolName, RelocType relocType, int delta = 0)
{
return(EmitSymbolRef(_nativeObjectWriter, symbolName.Append('\0').UnderlyingArray, relocType, delta));
}
public Relocation(RelocType relocType, int offset, ISymbolNode target)
{
RelocType = relocType;
Offset = offset;
Target = target;
}
private static extern int EmitSymbolRef(IntPtr objWriter, string symbolName, RelocType relocType, int delta);
public void AddRelocation(MapFileNode node, RelocType relocType)
{
node.AddRelocation();
_relocCounts.TryGetValue(relocType, out int relocTypeCount);
_relocCounts[relocType] = relocTypeCount + 1;
}
// Returns size of the emitted symbol reference
public int EmitSymbolReference(ISymbolNode target, int delta, RelocType relocType)
{
string targetName = GetSymbolToEmitForTargetPlatform(target.MangledName);
return EmitSymbolRef(targetName, relocType, delta);
}
// IsDirectCallOrJump reports whether r is a relocation for a direct
// call or a direct jump.
public static bool IsDirectCallOrJump(this RelocType r)
{
return(r.IsDirectCall() || r.IsDirectJump());
}
