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);
}