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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection.Metadata;
using System.Reflection.PortableExecutable;
using System.Text;
using Internal.Text;
using Internal.TypeSystem;
namespace ILCompiler.DependencyAnalysis
{
/// <summary>
/// BlobIdStackTraceEmbeddedMetadata - holds the binary metadata graph
/// </summary>
public class StackTraceEmbeddedMetadataNode : ObjectNode, ISymbolDefinitionNode
{
public StackTraceEmbeddedMetadataNode()
{
_endSymbol = new ObjectAndOffsetSymbolNode(this, 0, "_stacktrace_embedded_metadata_End", true);
}
private ObjectAndOffsetSymbolNode _endSymbol;
public ISymbolDefinitionNode EndSymbol => _endSymbol;
public override bool IsShareable => false;
public override ObjectNodeSection Section => ObjectNodeSection.ReadOnlyDataSection;
public override bool StaticDependenciesAreComputed => true;
public int Offset => 0;
protected internal override int Phase => (int)ObjectNodePhase.Ordered;
protected internal override int ClassCode => (int)ObjectNodeOrder.StackTraceEmbeddedMetadataNode;
public void AppendMangledName(NameMangler nameMangler, Utf8StringBuilder sb)
{
sb.Append(nameMangler.CompilationUnitPrefix).Append("_stacktrace_embedded_metadata");
}
protected override string GetName(NodeFactory factory) => this.GetMangledName(factory.NameMangler);
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
// This node has no relocations.
if (relocsOnly)
return new ObjectData(Array.Empty<byte>(), Array.Empty<Relocation>(), 1, new ISymbolDefinitionNode[] { this });
byte[] blob = ((PrecomputedMetadataManager)factory.MetadataManager).GetStackTraceBlob(factory);
_endSymbol.SetSymbolOffset(blob.Length);
return new ObjectData(
blob,
Array.Empty<Relocation>(),
1,
new ISymbolDefinitionNode[]
{
this,
EndSymbol
});
}
}
}
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