ILCompiler.Reflection.ReadyToRun has to target netstandard2.0 for ILS…

…py usage (#57416)
dotnet · Aug 14, 2021 · 0ebc7ec · 0ebc7ec
1 parent b3bb5db
commit 0ebc7ec
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/...oreclr/tools/aot/ILCompiler.Reflection.ReadyToRun/ILCompiler.Reflection.ReadyToRun.csproj b/...oreclr/tools/aot/ILCompiler.Reflection.ReadyToRun/ILCompiler.Reflection.ReadyToRun.csproj
@@ -7,7 +7,8 @@
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <AssemblyKey>Open</AssemblyKey>
     <IsDotNetFrameworkProductAssembly>true</IsDotNetFrameworkProductAssembly>
-    <TargetFramework>$(NetCoreAppToolCurrent)</TargetFramework>
+    <!-- ILSpy requires this assembly to target netstandard2.0 -->
+    <TargetFramework>netstandard2.0</TargetFramework>
     <CLSCompliant>false</CLSCompliant>
     <NoWarn>8002,NU1701</NoWarn>
     <RuntimeIdentifiers>win-x64;win-x86</RuntimeIdentifiers>

diff --git a/src/coreclr/tools/aot/ILCompiler.Reflection.ReadyToRun/ReadyToRunReader.cs b/src/coreclr/tools/aot/ILCompiler.Reflection.ReadyToRun/ReadyToRunReader.cs
@@ -1163,7 +1163,12 @@ public Guid GetAssemblyMvid(int assemblyIndex)
                     return Guid.Empty;
                 }
                 int mvidOffset = GetOffset(mvidSection.RelativeVirtualAddress) + GuidByteSize * assemblyIndex;
-                return new Guid(new ReadOnlySpan<byte>(Image, mvidOffset, ReadyToRunReader.GuidByteSize));
+                byte[] mvidBytes = new byte[ReadyToRunReader.GuidByteSize];
+                for (int i = 0; i < mvidBytes.Length; i++)
+                {
+                    mvidBytes[i] = Image[mvidOffset + i];
+                }
+                return new Guid(mvidBytes);
             }
             else
             {