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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 Internal.Runtime;
using Internal.TypeSystem;
using Debug = System.Diagnostics.Debug;
namespace ILCompiler.DependencyAnalysis
{
static class IndirectionExtensions
{
/// <summary>
/// Use this api to generate a reloc to a symbol that may be an indirection cell or not as a pointer
/// </summary>
/// <param name="symbol">symbol to reference</param>
/// <param name="indirectionBit">value to OR in to the reloc to represent to runtime code that this pointer is an indirection. Defaults to IndirectionConstants.IndirectionCellPointer</param>
/// <param name="delta">Delta from symbol start for value</param>
public static void EmitPointerRelocOrIndirectionReference(ref this ObjectDataBuilder builder, ISymbolNode symbol, int delta = 0, int indirectionBit = IndirectionConstants.IndirectionCellPointer)
{
if (symbol.RepresentsIndirectionCell)
delta |= indirectionBit;
builder.EmitReloc(symbol, (builder.TargetPointerSize == 8) ? RelocType.IMAGE_REL_BASED_DIR64 : RelocType.IMAGE_REL_BASED_HIGHLOW, delta);
}
public static void EmitRelativeRelocOrIndirectionReference(ref this ObjectDataBuilder builder, ISymbolNode symbol, int delta = 0, int indirectionBit = IndirectionConstants.IndirectionCellPointer)
{
if (symbol.RepresentsIndirectionCell)
delta = delta | indirectionBit;
builder.EmitReloc(symbol, RelocType.IMAGE_REL_BASED_RELPTR32, delta);
}
}
}
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