deps: update v8 to 3.29.93.1

1 files changed, 486 insertions, 0 deletions

diff --git a/deps/v8/src/interface-descriptors.h b/deps/v8/src/interface-descriptors.h
new file mode 100644
index 0000000000..b773c916ec
--- /dev/null
+++ b/deps/v8/src/interface-descriptors.h
@@ -0,0 +1,486 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_CALL_INTERFACE_DESCRIPTOR_H_
+#define V8_CALL_INTERFACE_DESCRIPTOR_H_
+
+#include "src/assembler.h"
+#include "src/macro-assembler.h"
+
+namespace v8 {
+namespace internal {
+
+class PlatformInterfaceDescriptor;
+
+#define INTERFACE_DESCRIPTOR_LIST(V)          \
+  V(Load)                                     \
+  V(Store)                                    \
+  V(ElementTransitionAndStore)                \
+  V(Instanceof)                               \
+  V(VectorLoadICTrampoline)                   \
+  V(VectorLoadIC)                             \
+  V(FastNewClosure)                           \
+  V(FastNewContext)                           \
+  V(ToNumber)                                 \
+  V(NumberToString)                           \
+  V(FastCloneShallowArray)                    \
+  V(FastCloneShallowObject)                   \
+  V(CreateAllocationSite)                     \
+  V(CallFunction)                             \
+  V(CallFunctionWithFeedback)                 \
+  V(CallConstruct)                            \
+  V(RegExpConstructResult)                    \
+  V(TransitionElementsKind)                   \
+  V(ArrayConstructorConstantArgCount)         \
+  V(ArrayConstructor)                         \
+  V(InternalArrayConstructorConstantArgCount) \
+  V(InternalArrayConstructor)                 \
+  V(CompareNil)                               \
+  V(ToBoolean)                                \
+  V(BinaryOp)                                 \
+  V(BinaryOpWithAllocationSite)               \
+  V(StringAdd)                                \
+  V(Keyed)                                    \
+  V(Named)                                    \
+  V(CallHandler)                              \
+  V(ArgumentAdaptor)                          \
+  V(ApiGetter)                                \
+  V(ApiFunction)                              \
+  V(ArgumentsAccessRead)                      \
+  V(StoreArrayLiteralElement)                 \
+  V(MathPowTagged)                            \
+  V(MathPowInteger)                           \
+  V(ContextOnly)
+
+
+class CallInterfaceDescriptorData {
+ public:
+  CallInterfaceDescriptorData() : register_param_count_(-1) {}
+
+  // A copy of the passed in registers and param_representations is made
+  // and owned by the CallInterfaceDescriptorData.
+
+  // TODO(mvstanton): Instead of taking parallel arrays register and
+  // param_representations, how about a struct that puts the representation
+  // and register side by side (eg, RegRep(r1, Representation::Tagged()).
+  // The same should go for the CodeStubDescriptor class.
+  void Initialize(int register_parameter_count, Register* registers,
+                  Representation* param_representations,
+                  PlatformInterfaceDescriptor* platform_descriptor = NULL);
+
+  bool IsInitialized() const { return register_param_count_ >= 0; }
+
+  int register_param_count() const { return register_param_count_; }
+  Register register_param(int index) const { return register_params_[index]; }
+  Register* register_params() const { return register_params_.get(); }
+  Representation register_param_representation(int index) const {
+    return register_param_representations_[index];
+  }
+  Representation* register_param_representations() const {
+    return register_param_representations_.get();
+  }
+  PlatformInterfaceDescriptor* platform_specific_descriptor() const {
+    return platform_specific_descriptor_;
+  }
+
+ private:
+  int register_param_count_;
+
+  // The Register params are allocated dynamically by the
+  // InterfaceDescriptor, and freed on destruction. This is because static
+  // arrays of Registers cause creation of runtime static initializers
+  // which we don't want.
+  SmartArrayPointer<Register> register_params_;
+  // Specifies Representations for the stub's parameter. Points to an array of
+  // Representations of the same length of the numbers of parameters to the
+  // stub, or if NULL (the default value), Representation of each parameter
+  // assumed to be Tagged().
+  SmartArrayPointer<Representation> register_param_representations_;
+
+  PlatformInterfaceDescriptor* platform_specific_descriptor_;
+
+  DISALLOW_COPY_AND_ASSIGN(CallInterfaceDescriptorData);
+};
+
+
+class CallDescriptors {
+ public:
+  enum Key {
+#define DEF_ENUM(name) name,
+    INTERFACE_DESCRIPTOR_LIST(DEF_ENUM)
+#undef DEF_ENUM
+    NUMBER_OF_DESCRIPTORS
+  };
+};
+
+
+class CallInterfaceDescriptor {
+ public:
+  CallInterfaceDescriptor() : data_(NULL) {}
+
+  CallInterfaceDescriptor(Isolate* isolate, CallDescriptors::Key key)
+      : data_(isolate->call_descriptor_data(key)) {}
+
+  int GetEnvironmentLength() const { return data()->register_param_count(); }
+
+  int GetRegisterParameterCount() const {
+    return data()->register_param_count();
+  }
+
+  Register GetParameterRegister(int index) const {
+    return data()->register_param(index);
+  }
+
+  Representation GetParameterRepresentation(int index) const {
+    DCHECK(index < data()->register_param_count());
+    if (data()->register_param_representations() == NULL) {
+      return Representation::Tagged();
+    }
+
+    return data()->register_param_representation(index);
+  }
+
+  // "Environment" versions of parameter functions. The first register
+  // parameter (context) is not included.
+  int GetEnvironmentParameterCount() const {
+    return GetEnvironmentLength() - 1;
+  }
+
+  Register GetEnvironmentParameterRegister(int index) const {
+    return GetParameterRegister(index + 1);
+  }
+
+  Representation GetEnvironmentParameterRepresentation(int index) const {
+    return GetParameterRepresentation(index + 1);
+  }
+
+  // Some platforms have extra information to associate with the descriptor.
+  PlatformInterfaceDescriptor* platform_specific_descriptor() const {
+    return data()->platform_specific_descriptor();
+  }
+
+  static const Register ContextRegister();
+
+  const char* DebugName(Isolate* isolate);
+
+ protected:
+  const CallInterfaceDescriptorData* data() const { return data_; }
+
+ private:
+  const CallInterfaceDescriptorData* data_;
+};
+
+
+#define DECLARE_DESCRIPTOR(name, base)                                     \
+  explicit name(Isolate* isolate) : base(isolate, key()) {                 \
+    if (!data()->IsInitialized())                                          \
+      Initialize(isolate->call_descriptor_data(key()));                    \
+  }                                                                        \
+                                                                           \
+ protected:                                                                \
+  void Initialize(CallInterfaceDescriptorData* data);                      \
+  name(Isolate* isolate, CallDescriptors::Key key) : base(isolate, key) {} \
+                                                                           \
+ public:                                                                   \
+  static inline CallDescriptors::Key key();
+
+
+// LoadDescriptor is used by all stubs that implement Load/KeyedLoad ICs.
+class LoadDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(LoadDescriptor, CallInterfaceDescriptor)
+
+  enum ParameterIndices { kReceiverIndex, kNameIndex };
+  static const Register ReceiverRegister();
+  static const Register NameRegister();
+};
+
+
+class StoreDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(StoreDescriptor, CallInterfaceDescriptor)
+
+  enum ParameterIndices {
+    kReceiverIndex,
+    kNameIndex,
+    kValueIndex,
+    kParameterCount
+  };
+  static const Register ReceiverRegister();
+  static const Register NameRegister();
+  static const Register ValueRegister();
+};
+
+
+class ElementTransitionAndStoreDescriptor : public StoreDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ElementTransitionAndStoreDescriptor, StoreDescriptor)
+
+  static const Register MapRegister();
+};
+
+
+class InstanceofDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(InstanceofDescriptor, CallInterfaceDescriptor)
+
+  enum ParameterIndices { kLeftIndex, kRightIndex, kParameterCount };
+  static const Register left();
+  static const Register right();
+};
+
+
+class VectorLoadICTrampolineDescriptor : public LoadDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(VectorLoadICTrampolineDescriptor, LoadDescriptor)
+
+  enum ParameterIndices { kReceiverIndex, kNameIndex, kSlotIndex };
+
+  static const Register SlotRegister();
+};
+
+
+class VectorLoadICDescriptor : public VectorLoadICTrampolineDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(VectorLoadICDescriptor, VectorLoadICTrampolineDescriptor)
+
+  enum ParameterIndices {
+    kReceiverIndex,
+    kNameIndex,
+    kSlotIndex,
+    kVectorIndex
+  };
+
+  static const Register VectorRegister();
+};
+
+
+class FastNewClosureDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(FastNewClosureDescriptor, CallInterfaceDescriptor)
+};
+
+
+class FastNewContextDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(FastNewContextDescriptor, CallInterfaceDescriptor)
+};
+
+
+class ToNumberDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ToNumberDescriptor, CallInterfaceDescriptor)
+};
+
+
+class NumberToStringDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(NumberToStringDescriptor, CallInterfaceDescriptor)
+};
+
+
+class FastCloneShallowArrayDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(FastCloneShallowArrayDescriptor, CallInterfaceDescriptor)
+};
+
+
+class FastCloneShallowObjectDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(FastCloneShallowObjectDescriptor, CallInterfaceDescriptor)
+};
+
+
+class CreateAllocationSiteDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(CreateAllocationSiteDescriptor, CallInterfaceDescriptor)
+};
+
+
+class CallFunctionDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(CallFunctionDescriptor, CallInterfaceDescriptor)
+};
+
+
+class CallFunctionWithFeedbackDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(CallFunctionWithFeedbackDescriptor,
+                     CallInterfaceDescriptor)
+};
+
+
+class CallConstructDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(CallConstructDescriptor, CallInterfaceDescriptor)
+};
+
+
+class RegExpConstructResultDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(RegExpConstructResultDescriptor, CallInterfaceDescriptor)
+};
+
+
+class TransitionElementsKindDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(TransitionElementsKindDescriptor, CallInterfaceDescriptor)
+};
+
+
+class ArrayConstructorConstantArgCountDescriptor
+    : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ArrayConstructorConstantArgCountDescriptor,
+                     CallInterfaceDescriptor)
+};
+
+
+class ArrayConstructorDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ArrayConstructorDescriptor, CallInterfaceDescriptor)
+};
+
+
+class InternalArrayConstructorConstantArgCountDescriptor
+    : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(InternalArrayConstructorConstantArgCountDescriptor,
+                     CallInterfaceDescriptor)
+};
+
+
+class InternalArrayConstructorDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(InternalArrayConstructorDescriptor,
+                     CallInterfaceDescriptor)
+};
+
+
+class CompareNilDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(CompareNilDescriptor, CallInterfaceDescriptor)
+};
+
+
+class ToBooleanDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ToBooleanDescriptor, CallInterfaceDescriptor)
+};
+
+
+class BinaryOpDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(BinaryOpDescriptor, CallInterfaceDescriptor)
+};
+
+
+class BinaryOpWithAllocationSiteDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(BinaryOpWithAllocationSiteDescriptor,
+                     CallInterfaceDescriptor)
+};
+
+
+class StringAddDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(StringAddDescriptor, CallInterfaceDescriptor)
+};
+
+
+class KeyedDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(KeyedDescriptor, CallInterfaceDescriptor)
+};
+
+
+class NamedDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(NamedDescriptor, CallInterfaceDescriptor)
+};
+
+
+class CallHandlerDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(CallHandlerDescriptor, CallInterfaceDescriptor)
+};
+
+
+class ArgumentAdaptorDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ArgumentAdaptorDescriptor, CallInterfaceDescriptor)
+};
+
+
+class ApiFunctionDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ApiFunctionDescriptor, CallInterfaceDescriptor)
+};
+
+
+class ApiGetterDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ApiGetterDescriptor, CallInterfaceDescriptor)
+
+  static const Register function_address();
+};
+
+
+class ArgumentsAccessReadDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ArgumentsAccessReadDescriptor, CallInterfaceDescriptor)
+
+  static const Register index();
+  static const Register parameter_count();
+};
+
+
+class StoreArrayLiteralElementDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(StoreArrayLiteralElementDescriptor,
+                     CallInterfaceDescriptor)
+};
+
+
+class MathPowTaggedDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(MathPowTaggedDescriptor, CallInterfaceDescriptor)
+
+  static const Register exponent();
+};
+
+
+class MathPowIntegerDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(MathPowIntegerDescriptor, CallInterfaceDescriptor)
+
+  static const Register exponent();
+};
+
+
+class ContextOnlyDescriptor : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(ContextOnlyDescriptor, CallInterfaceDescriptor)
+};
+
+#undef DECLARE_DESCRIPTOR
+
+
+// We define the association between CallDescriptors::Key and the specialized
+// descriptor here to reduce boilerplate and mistakes.
+#define DEF_KEY(name) \
+  CallDescriptors::Key name##Descriptor::key() { return CallDescriptors::name; }
+INTERFACE_DESCRIPTOR_LIST(DEF_KEY)
+#undef DEF_KEY
+}
+}  // namespace v8::internal
+
+
+#if V8_TARGET_ARCH_ARM64
+#include "src/arm64/interface-descriptors-arm64.h"
+#elif V8_TARGET_ARCH_ARM
+#include "src/arm/interface-descriptors-arm.h"
+#endif
+
+#endif  // V8_CALL_INTERFACE_DESCRIPTOR_H_