[NativeAOT/ARM] undefined symbol: NYI_Assert

[filipnavara]

Observed when compiling library tests:

ld.lld : error : undefined symbol: NYI_Assert [/home/navara/runtime/src/libraries/Common/tests/Common.Tests.csproj::TargetFramework=net9.0-linux]
  >>> referenced by /home/navara/runtime/artifacts/obj/Common.Tests/Debug/net9.0-linux/native/Common.Tests.o:(__ResolveVirtualFunction_System.IO.Stream__BeginRead)
  >>> referenced by /home/navara/runtime/artifacts/obj/Common.Tests/Debug/net9.0-linux/native/Common.Tests.o:(__ResolveVirtualFunction_System.IO.Stream__EndRead)
  >>> referenced by /home/navara/runtime/artifacts/obj/Common.Tests/Debug/net9.0-linux/native/Common.Tests.o:(__ResolveVirtualFunction_System.IO.Stream__BeginWrite)
  >>> referenced 1 more times
clang-17 : error : linker command failed with exit code 1 (use -v to see invocation) [/home/navara/runtime/src/libraries/Common/tests/Common.Tests.csproj::TargetFramework=net9.0-linux]

[ghost]

Tagging subscribers to this area: @agocke, @MichalStrehovsky, @jkotas
See info in area-owners.md if you want to be subscribed.

Issue Details

---

Observed when compiling library tests:

ld.lld : error : undefined symbol: NYI_Assert [/home/navara/runtime/src/libraries/Common/tests/Common.Tests.csproj::TargetFramework=net9.0-linux]
  >>> referenced by /home/navara/runtime/artifacts/obj/Common.Tests/Debug/net9.0-linux/native/Common.Tests.o:(__ResolveVirtualFunction_System.IO.Stream__BeginRead)
  >>> referenced by /home/navara/runtime/artifacts/obj/Common.Tests/Debug/net9.0-linux/native/Common.Tests.o:(__ResolveVirtualFunction_System.IO.Stream__EndRead)
  >>> referenced by /home/navara/runtime/artifacts/obj/Common.Tests/Debug/net9.0-linux/native/Common.Tests.o:(__ResolveVirtualFunction_System.IO.Stream__BeginWrite)
  >>> referenced 1 more times
clang-17 : error : linker command failed with exit code 1 (use -v to see invocation) [/home/navara/runtime/src/libraries/Common/tests/Common.Tests.csproj::TargetFramework=net9.0-linux]

Author:	filipnavara
Assignees:	-
Labels:	arch-arm32, area-NativeAOT-coreclr
Milestone:	-

[filipnavara]

This is likely the same issue as #97749

[MichalStrehovsky]

runtime/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/DependencyAnalysis/Target_ARM/ARMReadyToRunHelperNode.cs

Lines 162 to 188 in 9429e43

	ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.ResolveVirtualFunction);
	/*
	***
	NOT TESTED!!!
	***
	MethodDesc targetMethod = (MethodDesc)Target;
	if (targetMethod.OwningType.IsInterface)
	{
	encoder.EmitMOV(encoder.TargetRegister.Arg1, factory.InterfaceDispatchCell(targetMethod));
	encoder.EmitJMP(factory.ExternSymbol("RhpResolveInterfaceMethod"));
	}
	else
	{
	if (relocsOnly)
	break;
	encoder.EmitLDR(encoder.TargetRegister.Result, encoder.TargetRegister.Arg0);
	Debug.Assert(!targetMethod.CanMethodBeInSealedVTable());
	int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod, targetMethod.OwningType);
	Debug.Assert(slot != -1);
	encoder.EmitLDR(encoder.TargetRegister.Result, encoder.TargetRegister.Result,
	((short)(EETypeNode.GetVTableOffset(factory.Target.PointerSize) + (slot * factory.Target.PointerSize))));
	encoder.EmitRET();
	}
	*/

[filipnavara]

Yep, thanks, I have implemented it already. PR coming as soon as I test it.