public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
if (_methods.Count == 0 || relocsOnly)
{
return new ObjectData(
data: Array.Empty<byte>(),
relocs: Array.Empty<Relocation>(),
alignment: 1,
definedSymbols: new ISymbolDefinitionNode[] { this });
}
_methods.Sort(new CompilerComparer());
GCRefMapBuilder builder = new GCRefMapBuilder(factory.Target, relocsOnly);
builder.Builder.RequireInitialAlignment(4);
builder.Builder.AddSymbol(this);
// First, emit the initial ref map offset and reserve the offset map entries
int offsetCount = _methods.Count / GCREFMAP_LOOKUP_STRIDE;
builder.Builder.EmitInt((offsetCount + 1) * sizeof(int));
ObjectDataBuilder.Reservation[] offsets = new ObjectDataBuilder.Reservation[offsetCount];
for (int offsetIndex = 0; offsetIndex < offsetCount; offsetIndex++)
{
offsets[offsetIndex] = builder.Builder.ReserveInt();
}
// Next, generate the actual method GC ref maps and update the offset map
int nextOffsetIndex = 0;
int nextMethodIndex = GCREFMAP_LOOKUP_STRIDE - 1;
for (int methodIndex = 0; methodIndex < _methods.Count; methodIndex++)
{
IMethodNode methodNode = _methods[methodIndex];
if (methodNode == null)
{
// Flush an empty GC ref map block to prevent
// the indexed records from falling out of sync with methods
builder.Flush();
}
else
{
bool isUnboxingStub = false;
if (methodNode is DelayLoadHelperImport methodImport)
{
isUnboxingStub = ((MethodFixupSignature)methodImport.ImportSignature.Target).IsUnboxingStub;
}
builder.GetCallRefMap(methodNode.Method, isUnboxingStub);
}
if (methodIndex >= nextMethodIndex)
{
builder.Builder.EmitInt(offsets[nextOffsetIndex], builder.Builder.CountBytes);
nextOffsetIndex++;
nextMethodIndex += GCREFMAP_LOOKUP_STRIDE;
}
}
Debug.Assert(nextOffsetIndex == offsets.Length);
return builder.Builder.ToObjectData();
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
if (_methods.Count == 0 || relocsOnly)
{
return(new ObjectData(
data: Array.Empty <byte>(),
relocs: Array.Empty <Relocation>(),
alignment: 1,
definedSymbols: new ISymbolDefinitionNode[] { this }));
}
GCRefMapBuilder builder = new GCRefMapBuilder(factory, relocsOnly);
builder.Builder.RequireInitialAlignment(4);
builder.Builder.AddSymbol(this);
// First, emit the initial ref map offset and reserve the offset map entries
int offsetCount = _methods.Count / GCREFMAP_LOOKUP_STRIDE;
builder.Builder.EmitInt((offsetCount + 1) * sizeof(int));
ObjectDataBuilder.Reservation[] offsets = new ObjectDataBuilder.Reservation[offsetCount];
for (int offsetIndex = 0; offsetIndex < offsetCount; offsetIndex++)
{
offsets[offsetIndex] = builder.Builder.ReserveInt();
}
// Next, generate the actual method GC ref maps and update the offset map
int nextOffsetIndex = 0;
int nextMethodIndex = GCREFMAP_LOOKUP_STRIDE - 1;
for (int methodIndex = 0; methodIndex < _methods.Count; methodIndex++)
{
if (methodIndex >= nextMethodIndex)
{
builder.Builder.EmitInt(offsets[nextOffsetIndex], builder.Builder.CountBytes);
nextOffsetIndex++;
nextMethodIndex += GCREFMAP_LOOKUP_STRIDE;
}
MethodWithGCInfo methodNode = _methods[methodIndex];
if (methodNode == null || methodNode.IsEmpty)
{
// Flush an empty GC ref map block to prevent
// the indexed records from falling out of sync with methods
builder.Flush();
}
else
{
builder.GetCallRefMap(methodNode.Method);
}
}
Debug.Assert(nextOffsetIndex == offsets.Length);
return(builder.Builder.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
if (_methods.Count == 0 || relocsOnly)
{
return(new ObjectData(
data: Array.Empty <byte>(),
relocs: Array.Empty <Relocation>(),
alignment: 1,
definedSymbols: new ISymbolDefinitionNode[] { this }));
}
_methods.Sort(new CompilerComparer());
GCRefMapBuilder builder = new GCRefMapBuilder(factory.Target, relocsOnly);
builder.Builder.RequireInitialAlignment(4);
builder.Builder.AddSymbol(this);
// First, emit the initial ref map offset and reserve the offset map entries
int offsetCount = _methods.Count / GCREFMAP_LOOKUP_STRIDE;
builder.Builder.EmitInt((offsetCount + 1) * sizeof(int));
ObjectDataBuilder.Reservation[] offsets = new ObjectDataBuilder.Reservation[offsetCount];
for (int offsetIndex = 0; offsetIndex < offsetCount; offsetIndex++)
{
offsets[offsetIndex] = builder.Builder.ReserveInt();
}
// Next, generate the actual method GC ref maps and update the offset map
int nextOffsetIndex = 0;
int nextMethodIndex = GCREFMAP_LOOKUP_STRIDE - 1;
for (int methodIndex = 0; methodIndex < _methods.Count; methodIndex++)
{
IMethodNode methodNode = _methods[methodIndex];
if (methodNode == null || (methodNode is LocalMethodImport localMethod && localMethod.MethodCodeNode.IsEmpty))
{
// Flush an empty GC ref map block to prevent
// the indexed records from falling out of sync with methods
builder.Flush();
}
