protected override void EmitCode(NodeFactory factory, ref X64Emitter encoder, bool relocsOnly)
{
switch (Helper.Id)
{
case ReadyToRunHelperId.NewHelper:
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol((TypeDesc)Helper.Target));
encoder.EmitJMP(factory.ExternSymbol("__allocate_object"));
break;
case ReadyToRunHelperId.VirtualCall:
if (relocsOnly)
{
break;
}
AddrMode loadFromRcx = new AddrMode(encoder.TargetRegister.Arg0, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRcx);
// TODO: More efficient lookup of the slot
{
MethodDesc method = (MethodDesc)Helper.Target;
TypeDesc owningType = method.OwningType;
int baseSlots = 0;
var baseType = owningType.BaseType;
while (baseType != null)
{
List <MethodDesc> baseVirtualSlots;
factory.VirtualSlots.TryGetValue(baseType, out baseVirtualSlots);
if (baseVirtualSlots != null)
{
baseSlots += baseVirtualSlots.Count;
}
baseType = baseType.BaseType;
}
List <MethodDesc> virtualSlots = factory.VirtualSlots[owningType];
int methodSlot = -1;
for (int slot = 0; slot < virtualSlots.Count; slot++)
{
if (virtualSlots[slot] == method)
{
methodSlot = slot;
break;
}
}
Debug.Assert(methodSlot != -1);
AddrMode jmpAddrMode = new AddrMode(encoder.TargetRegister.Result, null, 16 + (baseSlots + methodSlot) * factory.Target.PointerSize, 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
break;
case ReadyToRunHelperId.IsInstanceOf:
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol((TypeDesc)Helper.Target));
encoder.EmitJMP(factory.ExternSymbol("__isinst_class"));
break;
case ReadyToRunHelperId.CastClass:
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol((TypeDesc)Helper.Target));
encoder.EmitJMP(factory.ExternSymbol("__castclass_class"));
break;
case ReadyToRunHelperId.NewArr1:
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol((TypeDesc)Helper.Target));
encoder.EmitJMP(factory.ExternSymbol("__allocate_array"));
break;
case ReadyToRunHelperId.GetNonGCStaticBase:
if (!((MetadataType)Helper.Target).HasStaticConstructor)
{
Debug.Assert(Helper.Id == ReadyToRunHelperId.GetNonGCStaticBase);
encoder.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeNonGCStaticsSymbol((MetadataType)Helper.Target));
encoder.EmitRET();
}
else
{
// We need to trigger the cctor before returning the base
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeCctorContextSymbol((MetadataType)Helper.Target));
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.TypeNonGCStaticsSymbol((MetadataType)Helper.Target));
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnNonGCStaticBase));
}
break;
case ReadyToRunHelperId.GetThreadStaticBase:
encoder.EmitINT3();
break;
case ReadyToRunHelperId.GetGCStaticBase:
if (!((MetadataType)Helper.Target).HasStaticConstructor)
{
encoder.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeGCStaticsSymbol((MetadataType)Helper.Target));
AddrMode loadFromRax = new AddrMode(encoder.TargetRegister.Result, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
encoder.EmitRET();
}
else
{
// We need to trigger the cctor before returning the base
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeCctorContextSymbol((MetadataType)Helper.Target));
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.TypeGCStaticsSymbol((MetadataType)Helper.Target));
AddrMode loadFromRdx = new AddrMode(encoder.TargetRegister.Arg1, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Arg1, ref loadFromRdx);
encoder.EmitMOV(encoder.TargetRegister.Arg1, ref loadFromRdx);
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnGCStaticBase));
}
break;
case ReadyToRunHelperId.DelegateCtor:
{
DelegateInfo target = (DelegateInfo)Helper.Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg2, factory.MethodEntrypoint(target.Target));
if (target.ShuffleThunk != null)
{
encoder.EmitLEAQ(encoder.TargetRegister.Arg3, factory.MethodEntrypoint(target.ShuffleThunk));
}
encoder.EmitJMP(factory.MethodEntrypoint(target.Ctor));
}
break;
default:
throw new NotImplementedException();
}
}
protected override void EmitCode(NodeFactory factory, ref X64Emitter encoder, bool relocsOnly)
{
switch (Id)
{
case ReadyToRunHelperId.NewHelper:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetNewObjectHelperForType(target)));
}
break;
case ReadyToRunHelperId.VirtualCall:
if (relocsOnly)
{
break;
}
AddrMode loadFromThisPtr = new AddrMode(encoder.TargetRegister.Arg0, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromThisPtr);
{
int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, (MethodDesc)Target);
Debug.Assert(slot != -1);
AddrMode jmpAddrMode = new AddrMode(encoder.TargetRegister.Result, null, EETypeNode.GetVTableOffset(factory.Target.PointerSize) + (slot * factory.Target.PointerSize), 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
break;
case ReadyToRunHelperId.IsInstanceOf:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, false)));
}
break;
case ReadyToRunHelperId.CastClass:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, true)));
}
break;
case ReadyToRunHelperId.NewArr1:
{
TypeDesc target = (TypeDesc)Target;
// TODO: Swap argument order instead
// mov arg1, arg0
encoder.Builder.EmitByte(0x48);
encoder.Builder.EmitShort((short)((encoder.TargetRegister.Arg0 == Register.RCX) ? 0xD18B : 0xF78B));
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.NecessaryTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetNewArrayHelperForType(target)));
}
break;
case ReadyToRunHelperId.GetNonGCStaticBase:
{
MetadataType target = (MetadataType)Target;
if (!target.HasStaticConstructor)
{
Debug.Assert(Id == ReadyToRunHelperId.GetNonGCStaticBase);
encoder.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeNonGCStaticsSymbol(target));
encoder.EmitRET();
}
else
{
// We need to trigger the cctor before returning the base
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeCctorContextSymbol(target));
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.TypeNonGCStaticsSymbol(target));
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnNonGCStaticBase));
}
}
break;
case ReadyToRunHelperId.GetThreadStaticBase:
encoder.EmitINT3();
break;
case ReadyToRunHelperId.GetGCStaticBase:
{
MetadataType target = (MetadataType)Target;
if (!target.HasStaticConstructor)
{
encoder.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeGCStaticsSymbol(target));
AddrMode loadFromRax = new AddrMode(encoder.TargetRegister.Result, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
encoder.EmitRET();
}
else
{
// We need to trigger the cctor before returning the base
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeCctorContextSymbol(target));
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.TypeGCStaticsSymbol(target));
AddrMode loadFromRdx = new AddrMode(encoder.TargetRegister.Arg1, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Arg1, ref loadFromRdx);
encoder.EmitMOV(encoder.TargetRegister.Arg1, ref loadFromRdx);
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnGCStaticBase));
}
}
break;
case ReadyToRunHelperId.DelegateCtor:
{
DelegateInfo target = (DelegateInfo)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg2, factory.MethodEntrypoint(target.Target));
if (target.ShuffleThunk != null)
{
encoder.EmitLEAQ(encoder.TargetRegister.Arg3, factory.MethodEntrypoint(target.ShuffleThunk));
}
encoder.EmitJMP(factory.MethodEntrypoint(target.Ctor));
}
break;
case ReadyToRunHelperId.InterfaceDispatch:
{
encoder.EmitLEAQ(Register.R10, factory.InterfaceDispatchCell((MethodDesc)Target));
AddrMode jmpAddrMode = new AddrMode(Register.R10, null, 0, 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
break;
default:
throw new NotImplementedException();
}
}
protected override void EmitCode(NodeFactory factory, ref X64Emitter encoder, bool relocsOnly)
{
switch (Id)
{
case ReadyToRunHelperId.NewHelper:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetNewObjectHelperForType(target)));
}
break;
case ReadyToRunHelperId.VirtualCall:
{
MethodDesc targetMethod = (MethodDesc)Target;
if (targetMethod.OwningType.IsInterface)
{
encoder.EmitLEAQ(Register.R10, factory.InterfaceDispatchCell((MethodDesc)Target));
AddrMode jmpAddrMode = new AddrMode(Register.R10, null, 0, 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
else
{
if (relocsOnly)
{
break;
}
AddrMode loadFromThisPtr = new AddrMode(encoder.TargetRegister.Arg0, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromThisPtr);
int pointerSize = factory.Target.PointerSize;
int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod);
Debug.Assert(slot != -1);
AddrMode jmpAddrMode = new AddrMode(encoder.TargetRegister.Result, null, EETypeNode.GetVTableOffset(pointerSize) + (slot * pointerSize), 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
}
break;
case ReadyToRunHelperId.IsInstanceOf:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, false)));
}
break;
case ReadyToRunHelperId.CastClass:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, true)));
}
break;
case ReadyToRunHelperId.NewArr1:
{
TypeDesc target = (TypeDesc)Target;
// TODO: Swap argument order instead
encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Arg0);
encoder.EmitLEAQ(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.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeNonGCStaticsSymbol(target), hasLazyStaticConstructor ? NonGCStaticsNode.GetClassConstructorContextStorageSize(factory.Target, target) : 0);
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.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeNonGCStaticsSymbol(target));
AddrMode initialized = new AddrMode(encoder.TargetRegister.Arg0, null, factory.Target.PointerSize, 0, AddrModeSize.Int32);
encoder.EmitCMP(ref initialized, 1);
encoder.EmitRETIfEqual();
encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Result);
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnNonGCStaticBase));
}
}
break;
case ReadyToRunHelperId.GetThreadStaticBase:
encoder.EmitINT3();
break;
case ReadyToRunHelperId.GetGCStaticBase:
{
MetadataType target = (MetadataType)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeGCStaticsSymbol(target));
AddrMode loadFromRax = new AddrMode(encoder.TargetRegister.Result, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
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.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeNonGCStaticsSymbol(target));
AddrMode initialized = new AddrMode(encoder.TargetRegister.Arg0, null, factory.Target.PointerSize, 0, AddrModeSize.Int32);
encoder.EmitCMP(ref initialized, 1);
encoder.EmitRETIfEqual();
encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Result);
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnGCStaticBase));
}
}
break;
case ReadyToRunHelperId.DelegateCtor:
{
DelegateCreationInfo target = (DelegateCreationInfo)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg2, target.Target);
if (target.Thunk != null)
{
Debug.Assert(target.Constructor.Method.Signature.Length == 3);
encoder.EmitLEAQ(encoder.TargetRegister.Arg3, target.Thunk);
}
else
{
Debug.Assert(target.Constructor.Method.Signature.Length == 2);
}
encoder.EmitJMP(target.Constructor);
}
break;
case ReadyToRunHelperId.ResolveVirtualFunction:
{
MethodDesc targetMethod = (MethodDesc)Target;
if (targetMethod.OwningType.IsInterface)
{
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.InterfaceDispatchCell(targetMethod));
encoder.EmitJMP(factory.ExternSymbol("RhpResolveInterfaceMethod"));
}
else
{
if (relocsOnly)
{
break;
}
AddrMode loadFromThisPtr = new AddrMode(encoder.TargetRegister.Arg0, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromThisPtr);
int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod);
Debug.Assert(slot != -1);
AddrMode loadFromSlot = new AddrMode(encoder.TargetRegister.Result, null, EETypeNode.GetVTableOffset(factory.Target.PointerSize) + (slot * factory.Target.PointerSize), 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromSlot);
encoder.EmitRET();
}
}
break;
case ReadyToRunHelperId.ResolveGenericVirtualMethod:
encoder.EmitINT3();
break;
default:
throw new NotImplementedException();
}
}
protected override void EmitCode(NodeFactory factory, ref X64Emitter encoder, bool relocsOnly)
{
switch (Id)
{
case ReadyToRunHelperId.NewHelper:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetNewObjectHelperForType(target)));
}
break;
case ReadyToRunHelperId.VirtualCall:
{
MethodDesc targetMethod = (MethodDesc)Target;
if (targetMethod.OwningType.IsInterface)
{
encoder.EmitLEAQ(Register.R10, factory.InterfaceDispatchCell((MethodDesc)Target));
AddrMode jmpAddrMode = new AddrMode(Register.R10, null, 0, 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
else
{
if (relocsOnly)
{
break;
}
AddrMode loadFromThisPtr = new AddrMode(encoder.TargetRegister.Arg0, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromThisPtr);
int pointerSize = factory.Target.PointerSize;
int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod);
Debug.Assert(slot != -1);
AddrMode jmpAddrMode = new AddrMode(encoder.TargetRegister.Result, null, EETypeNode.GetVTableOffset(pointerSize) + (slot * pointerSize), 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
}
break;
case ReadyToRunHelperId.IsInstanceOf:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, false)));
}
break;
case ReadyToRunHelperId.CastClass:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, true)));
}
break;
case ReadyToRunHelperId.NewArr1:
{
TypeDesc target = (TypeDesc)Target;
// TODO: Swap argument order instead
encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Arg0);
encoder.EmitLEAQ(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.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeNonGCStaticsSymbol(target), hasLazyStaticConstructor ? NonGCStaticsNode.GetClassConstructorContextStorageSize(factory.Target, target) : 0);
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.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeNonGCStaticsSymbol(target));
AddrMode initialized = new AddrMode(encoder.TargetRegister.Arg0, null, factory.Target.PointerSize, 0, AddrModeSize.Int32);
encoder.EmitCMP(ref initialized, 1);
encoder.EmitRETIfEqual();
encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Result);
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnNonGCStaticBase));
}
}
break;
case ReadyToRunHelperId.GetThreadStaticBase:
encoder.EmitINT3();
break;
case ReadyToRunHelperId.GetGCStaticBase:
{
MetadataType target = (MetadataType)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeGCStaticsSymbol(target));
AddrMode loadFromRax = new AddrMode(encoder.TargetRegister.Result, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
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.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeNonGCStaticsSymbol(target));
AddrMode initialized = new AddrMode(encoder.TargetRegister.Arg0, null, factory.Target.PointerSize, 0, AddrModeSize.Int32);
encoder.EmitCMP(ref initialized, 1);
encoder.EmitRETIfEqual();
encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Result);
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnGCStaticBase));
}
}
break;
case ReadyToRunHelperId.DelegateCtor:
{
DelegateCreationInfo target = (DelegateCreationInfo)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg2, target.Target);
if (target.Thunk != null)
{
Debug.Assert(target.Constructor.Method.Signature.Length == 3);
encoder.EmitLEAQ(encoder.TargetRegister.Arg3, target.Thunk);
}
else
{
Debug.Assert(target.Constructor.Method.Signature.Length == 2);
}
encoder.EmitJMP(target.Constructor);
}
break;
case ReadyToRunHelperId.ResolveVirtualFunction:
{
MethodDesc targetMethod = (MethodDesc)Target;
if (targetMethod.OwningType.IsInterface)
{
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.InterfaceDispatchCell(targetMethod));
encoder.EmitJMP(factory.ExternSymbol("RhpResolveInterfaceMethod"));
}
else
{
if (relocsOnly)
{
break;
}
AddrMode loadFromThisPtr = new AddrMode(encoder.TargetRegister.Arg0, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromThisPtr);
int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod);
Debug.Assert(slot != -1);
AddrMode loadFromSlot = new AddrMode(encoder.TargetRegister.Result, null, EETypeNode.GetVTableOffset(factory.Target.PointerSize) + (slot * factory.Target.PointerSize), 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromSlot);
encoder.EmitRET();
}
}
break;
case ReadyToRunHelperId.GenericLookupFromThis:
{
int pointerSize = factory.Target.PointerSize;
var lookupInfo = (GenericLookupDescriptor)Target;
// Arg0 points to the EEType
// Locate the VTable slot that points to the dictionary
int vtableSlot = 0;
if (!relocsOnly)
{
vtableSlot = VirtualMethodSlotHelper.GetGenericDictionarySlot(factory, (TypeDesc)lookupInfo.CanonicalOwner);
}
int slotOffset = EETypeNode.GetVTableOffset(pointerSize) + (vtableSlot * pointerSize);
// Load the dictionary pointer from the VTable
AddrMode loadDictionary = new AddrMode(encoder.TargetRegister.Arg0, null, slotOffset, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Arg0, ref loadDictionary);
// What's left now is the actual dictionary lookup
goto case ReadyToRunHelperId.GenericLookupFromDictionary;
}
case ReadyToRunHelperId.GenericLookupFromDictionary:
{
var lookupInfo = (GenericLookupDescriptor)Target;
// Find the generic dictionary slot
int dictionarySlot = 0;
if (!relocsOnly)
{
// The concrete slot won't be known until we're emitting data.
dictionarySlot = factory.GenericDictionaryLayout(lookupInfo.CanonicalOwner).GetSlotForEntry(lookupInfo.Signature);
}
// Load the generic dictionary cell
AddrMode loadEntry = new AddrMode(
encoder.TargetRegister.Arg0, null, dictionarySlot * factory.Target.PointerSize, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadEntry);
encoder.EmitRET();
}
break;
default:
throw new NotImplementedException();
}
}
protected override void EmitCode(NodeFactory factory, ref X64Emitter encoder, bool relocsOnly)
{
switch (Id)
{
case ReadyToRunHelperId.NewHelper:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetNewObjectHelperForType(target)));
}
break;
case ReadyToRunHelperId.VirtualCall:
{
MethodDesc targetMethod = (MethodDesc)Target;
if (targetMethod.OwningType.IsInterface)
{
encoder.EmitLEAQ(Register.R10, factory.InterfaceDispatchCell((MethodDesc)Target));
AddrMode jmpAddrMode = new AddrMode(Register.R10, null, 0, 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
else
{
if (relocsOnly)
{
break;
}
AddrMode loadFromThisPtr = new AddrMode(encoder.TargetRegister.Arg0, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromThisPtr);
int pointerSize = factory.Target.PointerSize;
int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod);
Debug.Assert(slot != -1);
AddrMode jmpAddrMode = new AddrMode(encoder.TargetRegister.Result, null, EETypeNode.GetVTableOffset(pointerSize) + (slot * pointerSize), 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
}
break;
case ReadyToRunHelperId.IsInstanceOf:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, false)));
}
break;
case ReadyToRunHelperId.CastClass:
{
TypeDesc target = (TypeDesc)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol(target));
encoder.EmitJMP(factory.ExternSymbol(JitHelper.GetCastingHelperNameForType(target, true)));
}
break;
case ReadyToRunHelperId.NewArr1:
{
TypeDesc target = (TypeDesc)Target;
// TODO: Swap argument order instead
encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Arg0);
encoder.EmitLEAQ(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.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeNonGCStaticsSymbol(target), hasLazyStaticConstructor ? NonGCStaticsNode.GetClassConstructorContextStorageSize(factory.Target, target) : 0);
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.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeNonGCStaticsSymbol(target));
AddrMode initialized = new AddrMode(encoder.TargetRegister.Arg0, null, factory.Target.PointerSize, 0, AddrModeSize.Int32);
encoder.EmitCMP(ref initialized, 1);
encoder.EmitRETIfEqual();
encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Result);
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnNonGCStaticBase));
}
}
break;
case ReadyToRunHelperId.GetThreadStaticBase:
{
MetadataType target = (MetadataType)Target;
ThreadStaticsNode targetNode = factory.TypeThreadStaticsSymbol(target) as ThreadStaticsNode;
int typeTlsIndex = 0;
// The GetThreadStaticBase helper should be generated only in the compilation module group
// that contains the thread static field because the helper needs the index of the type
// in Thread Static section of the containing module.
// TODO: This needs to be fixed this for the multi-module compilation
Debug.Assert(targetNode != null);
if (!relocsOnly)
{
// Get index of the targetNode in the Thread Static region
typeTlsIndex = factory.ThreadStaticsRegion.IndexOfEmbeddedObject(targetNode);
}
// 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.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeManagerIndirection);
// Second arg: index of the type in the ThreadStatic section of the modules
encoder.EmitMOV(encoder.TargetRegister.Arg1, typeTlsIndex);
if (!factory.TypeSystemContext.HasLazyStaticConstructor(target))
{
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.GetThreadStaticBaseForType));
}
else
{
encoder.EmitLEAQ(encoder.TargetRegister.Arg2, factory.TypeNonGCStaticsSymbol(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.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeGCStaticsSymbol(target));
AddrMode loadFromRax = new AddrMode(encoder.TargetRegister.Result, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
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.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeNonGCStaticsSymbol(target));
AddrMode initialized = new AddrMode(encoder.TargetRegister.Arg0, null, factory.Target.PointerSize, 0, AddrModeSize.Int32);
encoder.EmitCMP(ref initialized, 1);
encoder.EmitRETIfEqual();
encoder.EmitMOV(encoder.TargetRegister.Arg1, encoder.TargetRegister.Result);
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnGCStaticBase));
}
}
break;
case ReadyToRunHelperId.DelegateCtor:
{
DelegateCreationInfo target = (DelegateCreationInfo)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg2, target.Target);
if (target.Thunk != null)
{
Debug.Assert(target.Constructor.Method.Signature.Length == 3);
encoder.EmitLEAQ(encoder.TargetRegister.Arg3, target.Thunk);
}
else
{
Debug.Assert(target.Constructor.Method.Signature.Length == 2);
}
encoder.EmitJMP(target.Constructor);
}
break;
case ReadyToRunHelperId.ResolveVirtualFunction:
{
MethodDesc targetMethod = (MethodDesc)Target;
if (targetMethod.OwningType.IsInterface)
{
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.InterfaceDispatchCell(targetMethod));
encoder.EmitJMP(factory.ExternSymbol("RhpResolveInterfaceMethod"));
}
else
{
if (relocsOnly)
{
break;
}
AddrMode loadFromThisPtr = new AddrMode(encoder.TargetRegister.Arg0, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromThisPtr);
int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod);
Debug.Assert(slot != -1);
AddrMode loadFromSlot = new AddrMode(encoder.TargetRegister.Result, null, EETypeNode.GetVTableOffset(factory.Target.PointerSize) + (slot * factory.Target.PointerSize), 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromSlot);
encoder.EmitRET();
}
}
break;
case ReadyToRunHelperId.ResolveGenericVirtualMethod:
encoder.EmitINT3();
break;
default:
throw new NotImplementedException();
}
}
protected override void EmitCode(NodeFactory factory, ref X64Emitter encoder, bool relocsOnly)
{
switch (Id)
{
case ReadyToRunHelperId.NewHelper:
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.ConstructedTypeSymbol((TypeDesc)Target));
encoder.EmitJMP(factory.ExternSymbol("__allocate_object"));
break;
case ReadyToRunHelperId.VirtualCall:
if (relocsOnly)
{
break;
}
AddrMode loadFromThisPtr = new AddrMode(encoder.TargetRegister.Arg0, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromThisPtr);
{
int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, (MethodDesc)Target);
Debug.Assert(slot != -1);
AddrMode jmpAddrMode = new AddrMode(encoder.TargetRegister.Result, null, EETypeNode.GetVTableOffset(factory.Target.PointerSize) + (slot * factory.Target.PointerSize), 0, AddrModeSize.Int64);
encoder.EmitJmpToAddrMode(ref jmpAddrMode);
}
break;
case ReadyToRunHelperId.IsInstanceOf:
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol((TypeDesc)Target));
encoder.EmitJMP(factory.ExternSymbol("__isinst_class"));
break;
case ReadyToRunHelperId.CastClass:
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol((TypeDesc)Target));
encoder.EmitJMP(factory.ExternSymbol("__castclass_class"));
break;
case ReadyToRunHelperId.NewArr1:
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.NecessaryTypeSymbol((TypeDesc)Target));
encoder.EmitJMP(factory.ExternSymbol("__allocate_array"));
break;
case ReadyToRunHelperId.GetNonGCStaticBase:
if (!((MetadataType)Target).HasStaticConstructor)
{
Debug.Assert(Id == ReadyToRunHelperId.GetNonGCStaticBase);
encoder.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeNonGCStaticsSymbol((MetadataType)Target));
encoder.EmitRET();
}
else
{
// We need to trigger the cctor before returning the base
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeCctorContextSymbol((MetadataType)Target));
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.TypeNonGCStaticsSymbol((MetadataType)Target));
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnNonGCStaticBase));
}
break;
case ReadyToRunHelperId.GetThreadStaticBase:
encoder.EmitINT3();
break;
case ReadyToRunHelperId.GetGCStaticBase:
if (!((MetadataType)Target).HasStaticConstructor)
{
encoder.EmitLEAQ(encoder.TargetRegister.Result, factory.TypeGCStaticsSymbol((MetadataType)Target));
AddrMode loadFromRax = new AddrMode(encoder.TargetRegister.Result, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
encoder.EmitMOV(encoder.TargetRegister.Result, ref loadFromRax);
encoder.EmitRET();
}
else
{
// We need to trigger the cctor before returning the base
encoder.EmitLEAQ(encoder.TargetRegister.Arg0, factory.TypeCctorContextSymbol((MetadataType)Target));
encoder.EmitLEAQ(encoder.TargetRegister.Arg1, factory.TypeGCStaticsSymbol((MetadataType)Target));
AddrMode loadFromRdx = new AddrMode(encoder.TargetRegister.Arg1, null, 0, 0, AddrModeSize.Int64);
encoder.EmitMOV(encoder.TargetRegister.Arg1, ref loadFromRdx);
encoder.EmitMOV(encoder.TargetRegister.Arg1, ref loadFromRdx);
encoder.EmitJMP(factory.HelperEntrypoint(HelperEntrypoint.EnsureClassConstructorRunAndReturnGCStaticBase));
}
break;
case ReadyToRunHelperId.DelegateCtor:
{
DelegateInfo target = (DelegateInfo)Target;
encoder.EmitLEAQ(encoder.TargetRegister.Arg2, factory.MethodEntrypoint(target.Target));
if (target.ShuffleThunk != null)
{
encoder.EmitLEAQ(encoder.TargetRegister.Arg3, factory.MethodEntrypoint(target.ShuffleThunk));
}
encoder.EmitJMP(factory.MethodEntrypoint(target.Ctor));
}
break;
default:
throw new NotImplementedException();
}
}