protected override void EmitCode(NodeFactory factory, ref ARMEmitter encoder, bool relocsOnly) { switch (Id) { case ReadyToRunHelperId.NewHelper: { TypeDesc target = (TypeDesc)Target; encoder.EmitMOV(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol(target)); encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetNewObjectHelperForType(target))); } break; case ReadyToRunHelperId.VirtualCall: { MethodDesc targetMethod = (MethodDesc)Target; Debug.Assert(!targetMethod.OwningType.IsInterface); int pointerSize = factory.Target.PointerSize; int slot = 0; if (!relocsOnly) { slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod); Debug.Assert(slot != -1); } encoder.EmitLDR(encoder.TargetRegister.InterproceduralScratch, encoder.TargetRegister.Arg0, 0); encoder.EmitLDR(encoder.TargetRegister.InterproceduralScratch, encoder.TargetRegister.InterproceduralScratch, EETypeNode.GetVTableOffset(pointerSize) + (slot * pointerSize)); encoder.EmitJMP(encoder.TargetRegister.InterproceduralScratch); } break; case ReadyToRunHelperId.IsInstanceOf: { TypeDesc target = (TypeDesc)Target; encoder.EmitMOV(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target)); encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, false))); } break; case ReadyToRunHelperId.CastClass: { TypeDesc target = (TypeDesc)Target; encoder.EmitMOV(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target)); encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, true))); } break; case ReadyToRunHelperId.NewArr1: { TypeDesc target = (TypeDesc)Target; encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Arg0); encoder.EmitMOV(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol(target)); encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetNewArrayHelperForType(target))); } break; case ReadyToRunHelperId.GetNonGCStaticBase: { MetadataType target = (MetadataType)Target; bool hasLazyStaticConstructor = factory.TypeSystemContext.HasLazyStaticConstructor(target); encoder.EmitMOV(encoder.TargetRegister.Result, factory.TypeNonGCStaticsSymbol(target)); if (!hasLazyStaticConstructor) { encoder.EmitRET(); } else { // We need to trigger the cctor before returning the base. It is stored at the beginning of the non-GC statics region. encoder.EmitMOV(encoder.TargetRegister.Arg2, factory.TypeNonGCStaticsSymbol(target)); encoder.EmitSUB(encoder.TargetRegister.Arg2, NonGCStaticsNode.GetClassConstructorContextStorageSize(factory.Target, target)); // cmp [r2 + ptrSize], 1 encoder.EmitLDR(encoder.TargetRegister.Arg3, encoder.TargetRegister.Arg2, factory.Target.PointerSize); encoder.EmitCMP(encoder.TargetRegister.Arg3, 1); // return if cmp encoder.EmitRETIfEqual(); encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Result); encoder.EmitMOV(encoder.TargetRegister.Arg0 /*Result*/, encoder.TargetRegister.Arg2); encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnNonGCStaticBase)); } } break; case ReadyToRunHelperId.GetThreadStaticBase: { MetadataType target = (MetadataType)Target; encoder.EmitMOV(encoder.TargetRegister.Arg2, factory.TypeThreadStaticIndex(target)); // First arg: address of the TypeManager slot that provides the helper with // information about module index and the type manager instance (which is used // for initialization on first access). encoder.EmitLDR(encoder.TargetRegister.Arg0, encoder.TargetRegister.Arg2); // Second arg: index of the type in the ThreadStatic section of the modules encoder.EmitLDR(encoder.TargetRegister.Arg1, encoder.TargetRegister.Arg2, factory.Target.PointerSize); if (!factory.TypeSystemContext.HasLazyStaticConstructor(target)) { encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.GetThreadStaticBaseForType)); } else { encoder.EmitMOV(encoder.TargetRegister.Arg2, factory.TypeNonGCStaticsSymbol(target)); encoder.EmitSUB(encoder.TargetRegister.Arg2, NonGCStaticsNode.GetClassConstructorContextStorageSize(factory.Target, target)); // TODO: performance optimization - inline the check verifying whether we need to trigger the cctor encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnThreadStaticBase)); } } break; case ReadyToRunHelperId.GetGCStaticBase: { MetadataType target = (MetadataType)Target; encoder.EmitMOV(encoder.TargetRegister.Result, factory.TypeGCStaticsSymbol(target)); encoder.EmitLDR(encoder.TargetRegister.Result, encoder.TargetRegister.Result); encoder.EmitLDR(encoder.TargetRegister.Result, encoder.TargetRegister.Result); if (!factory.TypeSystemContext.HasLazyStaticConstructor(target)) { encoder.EmitRET(); } else { // We need to trigger the cctor before returning the base. It is stored at the beginning of the non-GC statics region. encoder.EmitMOV(encoder.TargetRegister.Arg2, factory.TypeNonGCStaticsSymbol(target)); // Get cctor pointer: offset is usually equal to the double size of the pointer, therefore we can use arm sub imm encoder.EmitSUB(encoder.TargetRegister.Arg2, NonGCStaticsNode.GetClassConstructorContextStorageSize(factory.Target, target)); // cmp [r2 + ptrSize], 1 encoder.EmitLDR(encoder.TargetRegister.Arg3, encoder.TargetRegister.Arg2, factory.Target.PointerSize); encoder.EmitCMP(encoder.TargetRegister.Arg3, 1); // return if cmp encoder.EmitRETIfEqual(); encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Result); encoder.EmitMOV(encoder.TargetRegister.Arg0 /*Result*/, encoder.TargetRegister.Arg2); encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnGCStaticBase)); } } break; case ReadyToRunHelperId.DelegateCtor: { DelegateCreationInfo target = (DelegateCreationInfo)Target; if (target.TargetNeedsVTableLookup) { encoder.EmitLDR(encoder.TargetRegister.Arg2, encoder.TargetRegister.Arg1); int slot = 0; if (!relocsOnly) { slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, target.TargetMethod); } Debug.Assert(slot != -1); encoder.EmitLDR(encoder.TargetRegister.Arg2, encoder.TargetRegister.Arg2, EETypeNode.GetVTableOffset(factory.Target.PointerSize) + (slot * factory.Target.PointerSize)); } else { ISymbolNode targetMethodNode = target.GetTargetNode(factory); encoder.EmitMOV(encoder.TargetRegister.Arg2, target.GetTargetNode(factory)); } if (target.Thunk != null) { Debug.Assert(target.Constructor.Method.Signature.Length == 3); encoder.EmitMOV(encoder.TargetRegister.Arg3, target.Thunk); } else { Debug.Assert(target.Constructor.Method.Signature.Length == 2); } encoder.EmitJMP(target.Constructor); } break; case ReadyToRunHelperId.ResolveVirtualFunction: { 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); *** ***int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod); ***Debug.Assert(slot != -1); ***encoder.EmitLDR(encoder.TargetRegister.Result, encoder.TargetRegister.Result, *** ((short)(EETypeNode.GetVTableOffset(factory.Target.PointerSize) + (slot * factory.Target.PointerSize)))); ***encoder.EmitRET(); ***} */ } break; default: throw new NotImplementedException(); } }
protected override void EmitCode(NodeFactory factory, ref ARMEmitter encoder, bool relocsOnly) { switch (Id) { case ReadyToRunHelperId.NewHelper: { TypeDesc target = (TypeDesc)Target; encoder.EmitMOV(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol(target)); encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetNewObjectHelperForType(target))); } break; case ReadyToRunHelperId.VirtualCall: { MethodDesc targetMethod = (MethodDesc)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.VirtualCall); } break; case ReadyToRunHelperId.IsInstanceOf: { TypeDesc target = (TypeDesc)Target; encoder.EmitMOV(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target)); encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, false))); } break; case ReadyToRunHelperId.CastClass: { TypeDesc target = (TypeDesc)Target; encoder.EmitMOV(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target)); encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, true))); } break; case ReadyToRunHelperId.NewArr1: { TypeDesc target = (TypeDesc)Target; encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Arg0); encoder.EmitMOV(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol(target)); encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetNewArrayHelperForType(target))); } break; case ReadyToRunHelperId.GetNonGCStaticBase: { MetadataType target = (MetadataType)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.GetNonGCStaticBase); } break; case ReadyToRunHelperId.GetThreadStaticBase: { MetadataType target = (MetadataType)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.GetThreadStaticBase); } break; case ReadyToRunHelperId.GetGCStaticBase: { MetadataType target = (MetadataType)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.GetGCStaticBase); } break; case ReadyToRunHelperId.DelegateCtor: { DelegateCreationInfo target = (DelegateCreationInfo)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.DelegateCtor); } break; case ReadyToRunHelperId.ResolveVirtualFunction: { MethodDesc targetMethod = (MethodDesc)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.ResolveVirtualFunction); } break; default: throw new NotImplementedException(); } }
protected override void EmitCode(NodeFactory factory, ref ARMEmitter encoder, bool relocsOnly) { switch (Id) { case ReadyToRunHelperId.NewHelper: { TypeDesc target = (TypeDesc)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.NewHelper); } break; case ReadyToRunHelperId.VirtualCall: { MethodDesc targetMethod = (MethodDesc)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.VirtualCall); } break; case ReadyToRunHelperId.IsInstanceOf: { TypeDesc target = (TypeDesc)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.IsInstanceOf); } break; case ReadyToRunHelperId.CastClass: { TypeDesc target = (TypeDesc)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.CastClass); } break; case ReadyToRunHelperId.NewArr1: { TypeDesc target = (TypeDesc)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.NewArr1); } break; case ReadyToRunHelperId.GetNonGCStaticBase: { MetadataType target = (MetadataType)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.GetNonGCStaticBase); } break; case ReadyToRunHelperId.GetThreadStaticBase: { MetadataType target = (MetadataType)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.GetThreadStaticBase); } break; case ReadyToRunHelperId.GetGCStaticBase: { MetadataType target = (MetadataType)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.GetGCStaticBase); } break; case ReadyToRunHelperId.DelegateCtor: { DelegateCreationInfo target = (DelegateCreationInfo)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.DelegateCtor); } break; case ReadyToRunHelperId.ResolveVirtualFunction: { MethodDesc targetMethod = (MethodDesc)Target; ARMDebug.EmitHelperNYIAssert(factory, ref encoder, ReadyToRunHelperId.ResolveVirtualFunction); } break; default: throw new NotImplementedException(); } }