internal void ComputeStaticFieldLayout(StaticLayoutKind layoutKind)
{
if (_fieldLayoutFlags.HasFlags(FieldLayoutFlags.ComputedStaticFieldsLayout | FieldLayoutFlags.ComputedStaticRegionLayout))
{
return;
}
var computedStaticLayout = this.Context.GetLayoutAlgorithmForType(this).ComputeStaticFieldLayout(this, layoutKind);
if ((computedStaticLayout.NonGcStatics.Size != 0) ||
(computedStaticLayout.GcStatics.Size != 0) ||
(computedStaticLayout.ThreadStatics.Size != 0))
{
var staticBlockInfo = new StaticBlockInfo
{
NonGcStatics = computedStaticLayout.NonGcStatics,
GcStatics = computedStaticLayout.GcStatics,
ThreadStatics = computedStaticLayout.ThreadStatics
};
_staticBlockInfo = staticBlockInfo;
}
if (computedStaticLayout.Offsets != null)
{
foreach (var fieldAndOffset in computedStaticLayout.Offsets)
{
Debug.Assert(fieldAndOffset.Field.OwningType == this);
fieldAndOffset.Field.InitializeOffset(fieldAndOffset.Offset);
}
_fieldLayoutFlags.AddFlags(FieldLayoutFlags.ComputedStaticFieldsLayout);
}
_fieldLayoutFlags.AddFlags(FieldLayoutFlags.ComputedStaticRegionLayout);
}
public override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType defType, StaticLayoutKind layoutKind)
{
MetadataType type = (MetadataType)defType;
int numStaticFields = 0;
foreach (var field in type.GetFields())
{
if (!field.IsStatic || field.HasRva || field.IsLiteral)
{
continue;
}
numStaticFields++;
}
ComputedStaticFieldLayout result;
result.GcStatics = new StaticsBlock();
result.NonGcStatics = new StaticsBlock();
result.ThreadGcStatics = new StaticsBlock();
result.ThreadNonGcStatics = new StaticsBlock();
if (numStaticFields == 0)
{
result.Offsets = Array.Empty <FieldAndOffset>();
return(result);
}
result.Offsets = new FieldAndOffset[numStaticFields];
TypeSystemContext context = type.Context;
PrepareRuntimeSpecificStaticFieldLayout(context, ref result);
int index = 0;
foreach (var field in type.GetFields())
{
// Nonstatic fields, literal fields, and RVA mapped fields don't participate in layout
if (!field.IsStatic || field.HasRva || field.IsLiteral)
{
continue;
}
TypeDesc fieldType = field.FieldType;
if (fieldType.IsByRef || (fieldType.IsValueType && ((DefType)fieldType).IsByRefLike))
{
ThrowHelper.ThrowTypeLoadException(ExceptionStringID.ClassLoadGeneral, type);
}
ref StaticsBlock block = ref GetStaticsBlockForField(ref result, field);
SizeAndAlignment sizeAndAlignment = ComputeFieldSizeAndAlignment(fieldType, context.Target.DefaultPackingSize);
block.Size = LayoutInt.AlignUp(block.Size, sizeAndAlignment.Alignment, context.Target);
result.Offsets[index] = new FieldAndOffset(field, block.Size);
block.Size = block.Size + sizeAndAlignment.Size;
block.LargestAlignment = LayoutInt.Max(block.LargestAlignment, sizeAndAlignment.Alignment);
index++;
}
public override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType type, StaticLayoutKind layoutKind)
{
return(_fallbackAlgorithm.ComputeStaticFieldLayout(type, layoutKind));
}
/// <summary> /// Compute the static field layout for a DefType. Must not depend on static field layout for any other type. /// </summary> public abstract ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType type, StaticLayoutKind layoutKind);
public override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType type, StaticLayoutKind layoutKind)
{
// We can only reach this for pre-created types where we actually need field information
// In that case, fall through to one of the other field layout algorithms.
if (type.HasNativeLayout)
{
return(s_nativeLayoutFieldAlgorithm.ComputeStaticFieldLayout(type, layoutKind));
}
else if (type is MetadataType)
{
return(_metadataFieldLayoutAlgorithm.ComputeStaticFieldLayout(type, layoutKind));
}
// No statics information available
ComputedStaticFieldLayout staticLayout = new ComputedStaticFieldLayout()
{
GcStatics = default(StaticsBlock),
NonGcStatics = default(StaticsBlock),
Offsets = Array.Empty <FieldAndOffset>(), // No fields are considered to exist for completely NoMetadataTypes
ThreadStatics = default(StaticsBlock),
};
return(staticLayout);
}
public unsafe override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType defType, StaticLayoutKind layoutKind)
{
MetadataType type = (MetadataType)defType;
int numStaticFields = 0;
foreach (var field in type.GetFields())
{
if (!field.IsStatic || field.HasRva || field.IsLiteral)
continue;
numStaticFields++;
}
ComputedStaticFieldLayout result;
result.GcStatics = new StaticsBlock();
result.NonGcStatics = new StaticsBlock();
result.ThreadStatics = new StaticsBlock();
if (numStaticFields == 0)
{
result.Offsets = Array.Empty<FieldAndOffset>();
return result;
}
result.Offsets = new FieldAndOffset[numStaticFields];
PrepareRuntimeSpecificStaticFieldLayout(type.Context, ref result);
int index = 0;
foreach (var field in type.GetFields())
{
// Nonstatic fields, literal fields, and RVA mapped fields don't participate in layout
if (!field.IsStatic || field.HasRva || field.IsLiteral)
continue;
StaticsBlock* block =
field.IsThreadStatic ? &result.ThreadStatics :
field.HasGCStaticBase ? &result.GcStatics :
&result.NonGcStatics;
SizeAndAlignment sizeAndAlignment = ComputeFieldSizeAndAlignment(field.FieldType, type.Context.Target.DefaultPackingSize);
block->Size = AlignmentHelper.AlignUp(block->Size, sizeAndAlignment.Alignment);
result.Offsets[index] = new FieldAndOffset(field, block->Size);
block->Size = checked(block->Size + sizeAndAlignment.Size);
block->LargestAlignment = Math.Max(block->LargestAlignment, sizeAndAlignment.Alignment);
index++;
}
FinalizeRuntimeSpecificStaticFieldLayout(type.Context, ref result);
return result;
}
public override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType defType, StaticLayoutKind layoutKind)
{
ComputedStaticFieldLayout layout = new ComputedStaticFieldLayout();
if (defType.GetTypeDefinition() is EcmaType ecmaType)
{
// ECMA types are the only ones that can have statics
ModuleFieldLayout moduleFieldLayout = _moduleFieldLayoutMap.GetOrCreateValue(ecmaType.EcmaModule);
layout.GcStatics = moduleFieldLayout.GcStatics;
layout.NonGcStatics = moduleFieldLayout.NonGcStatics;
layout.ThreadGcStatics = moduleFieldLayout.ThreadGcStatics;
layout.ThreadNonGcStatics = moduleFieldLayout.ThreadNonGcStatics;
if (defType is EcmaType nonGenericType)
{
OffsetsForType offsetsForType;
if (moduleFieldLayout.TypeOffsets.TryGetValue(nonGenericType.Handle, out offsetsForType))
{
layout.Offsets = _moduleFieldLayoutMap.CalculateTypeLayout(defType, moduleFieldLayout.Module, offsetsForType);
}
}
else if (defType is InstantiatedType instantiatedType)
{
layout.Offsets = _moduleFieldLayoutMap.GetOrAddDynamicLayout(defType, moduleFieldLayout);
}
else
{
throw new NotImplementedException();
}
}
return(layout);
}
public override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType type, StaticLayoutKind layoutKind)
{
if (!type.IsTemplateUniversal() && (layoutKind == StaticLayoutKind.StaticRegionSizes))
{
return(ParseStaticRegionSizesFromNativeLayout(type));
}
LowLevelList <LayoutInt> fieldOffsets;
LayoutInt[] position = ComputeTypeSizeAndAlignment(type, FieldLoadState.Statics, out fieldOffsets);
int numStaticFields = 0;
foreach (NativeLayoutFieldDesc field in type.NativeLayoutFields)
{
if (field.IsStatic)
{
numStaticFields++;
}
}
ComputedStaticFieldLayout layout = new ComputedStaticFieldLayout();
layout.Offsets = new FieldAndOffset[numStaticFields];
if (numStaticFields > 0)
{
layout.GcStatics = new StaticsBlock()
{
Size = position[(int)NativeFormat.FieldStorage.GCStatic], LargestAlignment = DefType.MaximumAlignmentPossible
};
layout.NonGcStatics = new StaticsBlock()
{
Size = position[(int)NativeFormat.FieldStorage.NonGCStatic], LargestAlignment = DefType.MaximumAlignmentPossible
};
layout.ThreadStatics = new StaticsBlock()
{
Size = position[(int)NativeFormat.FieldStorage.TLSStatic], LargestAlignment = DefType.MaximumAlignmentPossible
};
}
int curStaticField = 0;
foreach (NativeLayoutFieldDesc field in type.NativeLayoutFields)
{
if (field.IsStatic)
{
layout.Offsets[curStaticField] = new FieldAndOffset(field, fieldOffsets[curStaticField]);
curStaticField++;
}
}
return(layout);
}
public unsafe override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType defType, StaticLayoutKind layoutKind)
{
// Static field layout for a RuntimeDeterminedType is not a supported operation
throw new NotSupportedException();
}
public override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType type, StaticLayoutKind layoutKind)
{
return(new ComputedStaticFieldLayout()
{
NonGcStatics = new StaticsBlock()
{
Size = LayoutInt.Zero, LargestAlignment = LayoutInt.Zero
},
GcStatics = new StaticsBlock()
{
Size = LayoutInt.Zero, LargestAlignment = LayoutInt.Zero
},
ThreadStatics = new StaticsBlock()
{
Size = LayoutInt.Zero, LargestAlignment = LayoutInt.Zero
},
Offsets = Array.Empty <FieldAndOffset>()
});
}
/// <summary> /// Compute the static field layout for a DefType. Must not depend on static field layout for any other type. /// </summary> public abstract ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType type, StaticLayoutKind layoutKind);
public unsafe override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType defType, StaticLayoutKind layoutKind)
{
MetadataType type = (MetadataType)defType;
int numStaticFields = 0;
foreach (var field in type.GetFields())
{
if (!field.IsStatic || field.HasRva || field.IsLiteral)
{
continue;
}
numStaticFields++;
}
ComputedStaticFieldLayout result;
result.GcStatics = new StaticsBlock();
result.NonGcStatics = new StaticsBlock();
result.ThreadStatics = new StaticsBlock();
if (numStaticFields == 0)
{
result.Offsets = Array.Empty <FieldAndOffset>();
return(result);
}
result.Offsets = new FieldAndOffset[numStaticFields];
PrepareRuntimeSpecificStaticFieldLayout(type.Context, ref result);
int index = 0;
foreach (var field in type.GetFields())
{
// Nonstatic fields, literal fields, and RVA mapped fields don't participate in layout
if (!field.IsStatic || field.HasRva || field.IsLiteral)
{
continue;
}
StaticsBlock *block =
field.IsThreadStatic ? &result.ThreadStatics :
field.HasGCStaticBase ? &result.GcStatics :
&result.NonGcStatics;
SizeAndAlignment sizeAndAlignment = ComputeFieldSizeAndAlignment(field.FieldType, type.Context.Target.DefaultPackingSize);
block->Size = AlignmentHelper.AlignUp(block->Size, sizeAndAlignment.Alignment);
result.Offsets[index] = new FieldAndOffset(field, block->Size);
block->Size = checked (block->Size + sizeAndAlignment.Size);
block->LargestAlignment = Math.Max(block->LargestAlignment, sizeAndAlignment.Alignment);
index++;
}
FinalizeRuntimeSpecificStaticFieldLayout(type.Context, ref result);
return(result);
}
public override ComputedStaticFieldLayout ComputeStaticFieldLayout(DefType type, StaticLayoutKind layoutKind)
{
if (!type.IsTemplateUniversal() && (layoutKind == StaticLayoutKind.StaticRegionSizes))
{
return ParseStaticRegionSizesFromNativeLayout(type);
}
LowLevelList<int> fieldOffsets;
int[] position = ComputeTypeSizeAndAlignment(type, FieldLoadState.Statics, out fieldOffsets);
int numStaticFields = 0;
foreach (NativeLayoutFieldDesc field in type.NativeLayoutFields)
{
if (field.IsStatic)
{
numStaticFields++;
}
}
ComputedStaticFieldLayout layout = new ComputedStaticFieldLayout();
layout.Offsets = new FieldAndOffset[numStaticFields];
if (numStaticFields > 0)
{
layout.GcStatics = new StaticsBlock() { Size = position[(int)NativeFormat.FieldStorage.GCStatic], LargestAlignment = DefType.MaximumAlignmentPossible };
layout.NonGcStatics = new StaticsBlock() { Size = position[(int)NativeFormat.FieldStorage.NonGCStatic], LargestAlignment = DefType.MaximumAlignmentPossible };
layout.ThreadStatics = new StaticsBlock() { Size = position[(int)NativeFormat.FieldStorage.TLSStatic], LargestAlignment = DefType.MaximumAlignmentPossible };
}
int curStaticField = 0;
foreach (NativeLayoutFieldDesc field in type.NativeLayoutFields)
{
if (field.IsStatic)
{
layout.Offsets[curStaticField] = new FieldAndOffset(field, fieldOffsets[curStaticField]);
curStaticField++;
}
}
return layout;
}
internal void ComputeStaticFieldLayout(StaticLayoutKind layoutKind)
{
if (_fieldLayoutFlags.HasFlags(FieldLayoutFlags.ComputedStaticFieldsLayout | FieldLayoutFlags.ComputedStaticRegionLayout))
return;
var computedStaticLayout = this.Context.GetLayoutAlgorithmForType(this).ComputeStaticFieldLayout(this, layoutKind);
if ((computedStaticLayout.NonGcStatics.Size != 0) ||
(computedStaticLayout.GcStatics.Size != 0) ||
(computedStaticLayout.ThreadStatics.Size != 0))
{
var staticBlockInfo = new StaticBlockInfo
{
NonGcStatics = computedStaticLayout.NonGcStatics,
GcStatics = computedStaticLayout.GcStatics,
ThreadStatics = computedStaticLayout.ThreadStatics
};
_staticBlockInfo = staticBlockInfo;
}
if (computedStaticLayout.Offsets != null)
{
foreach (var fieldAndOffset in computedStaticLayout.Offsets)
{
Debug.Assert(fieldAndOffset.Field.OwningType == this);
fieldAndOffset.Field.InitializeOffset(fieldAndOffset.Offset);
}
_fieldLayoutFlags.AddFlags(FieldLayoutFlags.ComputedStaticFieldsLayout);
}
_fieldLayoutFlags.AddFlags(FieldLayoutFlags.ComputedStaticRegionLayout);
}