Skip to content

Report RhpInitialDynamicInterfaceDispatch reference in gfids #103948

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 5 commits into from
Jun 25, 2024
Merged

Report RhpInitialDynamicInterfaceDispatch reference in gfids #103948

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
dcddc2e
Report `RhpInitialDynamicInterfaceDispatch` reference in gfids
MichalStrehovsky Jun 25, 2024
31774eb
Temp enable CFG
MichalStrehovsky Jun 25, 2024
f71b073
Temp disable assert that broke everything
MichalStrehovsky Jun 25, 2024
1758811
Revert "Temp disable assert that broke everything"
MichalStrehovsky Jun 25, 2024
a08f889
Revert "Temp enable CFG"
MichalStrehovsky Jun 25, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/DependencyAnalysis/ExternSymbolNode.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -55,4 +55,12 @@ public override string ToString()
return _name.ToString();
}
}

public class AddressTakenExternSymbolNode : ExternSymbolNode
{
public AddressTakenExternSymbolNode(Utf8String name)
: base(name) { }

public override int ClassCode => -45645737;
}
}
20 changes: 2 additions & 18 deletions ...lr/tools/aot/ILCompiler.Compiler/Compiler/DependencyAnalysis/InterfaceDispatchCellNode.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,15 +61,7 @@ public override IEnumerable<DependencyListEntry> GetStaticDependencies(NodeFacto

factory.MetadataManager.GetDependenciesDueToVirtualMethodReflectability(ref result, factory, _targetMethod);

TargetArchitecture targetArchitecture = factory.Target.Architecture;
if (targetArchitecture == TargetArchitecture.ARM)
{
result.Add(factory.InitialInterfaceDispatchStub, "Initial interface dispatch stub");
}
else
{
result.Add(factory.ExternSymbol("RhpInitialDynamicInterfaceDispatch"), "Initial interface dispatch stub");
}
result.Add(factory.InitialInterfaceDispatchStub, "Initial interface dispatch stub");

// We counter-intuitively ask for a constructed type symbol. This is needed due to IDynamicInterfaceCastable.
// If this dispatch cell is ever used with an object that implements IDynamicIntefaceCastable, user code will
Expand All @@ -81,15 +73,7 @@ public override IEnumerable<DependencyListEntry> GetStaticDependencies(NodeFacto

public override void EncodeData(ref ObjectDataBuilder objData, NodeFactory factory, bool relocsOnly)
{
TargetArchitecture targetArchitecture = factory.Target.Architecture;
if (targetArchitecture == TargetArchitecture.ARM)
{
objData.EmitPointerReloc(factory.InitialInterfaceDispatchStub);
}
else
{
objData.EmitPointerReloc(factory.ExternSymbol("RhpInitialDynamicInterfaceDispatch"));
}
objData.EmitPointerReloc(factory.InitialInterfaceDispatchStub);

// We counter-intuitively ask for a constructed type symbol. This is needed due to IDynamicInterfaceCastable.
// If this dispatch cell is ever used with an object that implements IDynamicIntefaceCastable, user code will
Expand Down
10 changes: 10 additions & 0 deletions src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/DependencyAnalysis/NodeFactory.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,11 @@ public NodeFactory(
ObjectDataInterner dataInterner)
{
_target = context.Target;

InitialInterfaceDispatchStub = _target.Architecture == TargetArchitecture.ARM
? new InitialInterfaceDispatchStubNode()
Copy link
Member

@jkotas jkotas Jun 25, 2024

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I am wondering whether the special ARM dispatch stub wrapper is still necessary.

Copy link
Member Author

@MichalStrehovsky MichalStrehovsky Jun 25, 2024

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I can try to delete that in a different PR and see what the CI says, but I don't have hardware to test it on.

Copy link
Member

@jkotas jkotas Jun 25, 2024

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Testing it in CI should be good enough if you would like to give it a try.

I think this was only needed for multi-.dll Windows arm32 support that we do not have anymore.

: new AddressTakenExternSymbolNode("RhpInitialDynamicInterfaceDispatch");

_context = context;
_compilationModuleGroup = compilationModuleGroup;
_vtableSliceProvider = vtableSliceProvider;
Expand Down Expand Up @@ -102,6 +107,11 @@ public NameMangler NameMangler
get;
}

public ISymbolNode InitialInterfaceDispatchStub
{
get;
}

public PreinitializationManager PreinitializationManager
{
get;
Expand Down
21 changes: 0 additions & 21 deletions ...lr/tools/aot/ILCompiler.Compiler/Compiler/DependencyAnalysis/Target_ARM/ARMNodeFactory.cs
View file
Open in desktop

This file was deleted.

2 changes: 1 addition & 1 deletion src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/ObjectWriter.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -469,7 +469,7 @@ private void EmitObject(string objectFilePath, IReadOnlyCollection<DependencyNod
relocTarget.Offset);

if (_options.HasFlag(ObjectWritingOptions.ControlFlowGuard) &&
relocTarget is IMethodNode or AssemblyStubNode)
relocTarget is IMethodNode or AssemblyStubNode or AddressTakenExternSymbolNode)
{
// For now consider all method symbols address taken.
// We could restrict this in the future to those that are referenced from
Expand Down
1 change: 0 additions & 1 deletion src/coreclr/tools/aot/ILCompiler.Compiler/ILCompiler.Compiler.csproj
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -530,7 +530,6 @@
<Compile Include="Compiler\DependencyAnalysis\StringAllocatorMethodNode.cs" />
<Compile Include="Compiler\DependencyAnalysis\Target_X64\X64ReadyToRunGenericHelperNode.cs" />
<Compile Include="Compiler\DependencyAnalysis\Target_ARM\ARMInitialInterfaceDispatchStubNode.cs" />
<Compile Include="Compiler\DependencyAnalysis\Target_ARM\ARMNodeFactory.cs" />
<Compile Include="Compiler\DependencyAnalysis\VTableSliceNode.cs" />
<Compile Include="Compiler\DependencyAnalysis\EETypeOptionalFieldsNode.cs" />
<Compile Include="Compiler\DependencyAnalysis\EmbeddedObjectNode.cs" />
Expand Down