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1 files changed, 368 insertions, 0 deletions
diff --git a/deps/v8/src/arm64/interface-descriptors-arm64.cc b/deps/v8/src/arm64/interface-descriptors-arm64.cc
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index 0000000000..690c8c28ee
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+++ b/deps/v8/src/arm64/interface-descriptors-arm64.cc
@@ -0,0 +1,368 @@
+// Copyright 2012 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.
+
+#include "src/v8.h"
+
+#if V8_TARGET_ARCH_ARM64
+
+#include "src/interface-descriptors.h"
+
+namespace v8 {
+namespace internal {
+
+const Register CallInterfaceDescriptor::ContextRegister() { return cp; }
+
+
+const Register LoadDescriptor::ReceiverRegister() { return x1; }
+const Register LoadDescriptor::NameRegister() { return x2; }
+
+
+const Register VectorLoadICTrampolineDescriptor::SlotRegister() { return x0; }
+
+
+const Register VectorLoadICDescriptor::VectorRegister() { return x3; }
+
+
+const Register StoreDescriptor::ReceiverRegister() { return x1; }
+const Register StoreDescriptor::NameRegister() { return x2; }
+const Register StoreDescriptor::ValueRegister() { return x0; }
+
+
+const Register ElementTransitionAndStoreDescriptor::MapRegister() { return x3; }
+
+
+const Register InstanceofDescriptor::left() {
+ // Object to check (instanceof lhs).
+ return x11;
+}
+
+
+const Register InstanceofDescriptor::right() {
+ // Constructor function (instanceof rhs).
+ return x10;
+}
+
+
+const Register ArgumentsAccessReadDescriptor::index() { return x1; }
+const Register ArgumentsAccessReadDescriptor::parameter_count() { return x0; }
+
+
+const Register ApiGetterDescriptor::function_address() { return x2; }
+
+
+const Register MathPowTaggedDescriptor::exponent() { return x11; }
+
+
+const Register MathPowIntegerDescriptor::exponent() { return x12; }
+
+
+void FastNewClosureDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x2: function info
+ Register registers[] = {cp, x2};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void FastNewContextDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x1: function
+ Register registers[] = {cp, x1};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void ToNumberDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x0: value
+ Register registers[] = {cp, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void NumberToStringDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x0: value
+ Register registers[] = {cp, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void FastCloneShallowArrayDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x3: array literals array
+ // x2: array literal index
+ // x1: constant elements
+ Register registers[] = {cp, x3, x2, x1};
+ Representation representations[] = {
+ Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
+ Representation::Tagged()};
+ data->Initialize(arraysize(registers), registers, representations);
+}
+
+
+void FastCloneShallowObjectDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x3: object literals array
+ // x2: object literal index
+ // x1: constant properties
+ // x0: object literal flags
+ Register registers[] = {cp, x3, x2, x1, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void CreateAllocationSiteDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x2: feedback vector
+ // x3: call feedback slot
+ Register registers[] = {cp, x2, x3};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void StoreArrayLiteralElementDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ Register registers[] = {cp, x3, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void CallFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // x1 function the function to call
+ Register registers[] = {cp, x1};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void CallFunctionWithFeedbackDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ Register registers[] = {cp, x1, x3};
+ Representation representations[] = {Representation::Tagged(),
+ Representation::Tagged(),
+ Representation::Smi()};
+ data->Initialize(arraysize(registers), registers, representations);
+}
+
+
+void CallConstructDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // x0 : number of arguments
+ // x1 : the function to call
+ // x2 : feedback vector
+ // x3 : slot in feedback vector (smi) (if r2 is not the megamorphic symbol)
+ // TODO(turbofan): So far we don't gather type feedback and hence skip the
+ // slot parameter, but ArrayConstructStub needs the vector to be undefined.
+ Register registers[] = {cp, x0, x1, x2};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void RegExpConstructResultDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x2: length
+ // x1: index (of last match)
+ // x0: string
+ Register registers[] = {cp, x2, x1, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void TransitionElementsKindDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x0: value (js_array)
+ // x1: to_map
+ Register registers[] = {cp, x0, x1};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void ArrayConstructorConstantArgCountDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x1: function
+ // x2: allocation site with elements kind
+ // x0: number of arguments to the constructor function
+ Register registers[] = {cp, x1, x2};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void ArrayConstructorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // stack param count needs (constructor pointer, and single argument)
+ Register registers[] = {cp, x1, x2, x0};
+ Representation representations[] = {
+ Representation::Tagged(), Representation::Tagged(),
+ Representation::Tagged(), Representation::Integer32()};
+ data->Initialize(arraysize(registers), registers, representations);
+}
+
+
+void InternalArrayConstructorConstantArgCountDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x1: constructor function
+ // x0: number of arguments to the constructor function
+ Register registers[] = {cp, x1};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void InternalArrayConstructorDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ // stack param count needs (constructor pointer, and single argument)
+ Register registers[] = {cp, x1, x0};
+ Representation representations[] = {Representation::Tagged(),
+ Representation::Tagged(),
+ Representation::Integer32()};
+ data->Initialize(arraysize(registers), registers, representations);
+}
+
+
+void CompareNilDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x0: value to compare
+ Register registers[] = {cp, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void ToBooleanDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x0: value
+ Register registers[] = {cp, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void BinaryOpDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x1: left operand
+ // x0: right operand
+ Register registers[] = {cp, x1, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void BinaryOpWithAllocationSiteDescriptor::Initialize(
+ CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x2: allocation site
+ // x1: left operand
+ // x0: right operand
+ Register registers[] = {cp, x2, x1, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void StringAddDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ // cp: context
+ // x1: left operand
+ // x0: right operand
+ Register registers[] = {cp, x1, x0};
+ data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
+void KeyedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ static PlatformInterfaceDescriptor noInlineDescriptor =
+ PlatformInterfaceDescriptor(NEVER_INLINE_TARGET_ADDRESS);
+
+ Register registers[] = {
+ cp, // context
+ x2, // key
+ };
+ Representation representations[] = {
+ Representation::Tagged(), // context
+ Representation::Tagged(), // key
+ };
+ data->Initialize(arraysize(registers), registers, representations,
+ &noInlineDescriptor);
+}
+
+
+void NamedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ static PlatformInterfaceDescriptor noInlineDescriptor =
+ PlatformInterfaceDescriptor(NEVER_INLINE_TARGET_ADDRESS);
+
+ Register registers[] = {
+ cp, // context
+ x2, // name
+ };
+ Representation representations[] = {
+ Representation::Tagged(), // context
+ Representation::Tagged(), // name
+ };
+ data->Initialize(arraysize(registers), registers, representations,
+ &noInlineDescriptor);
+}
+
+
+void CallHandlerDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ static PlatformInterfaceDescriptor default_descriptor =
+ PlatformInterfaceDescriptor(CAN_INLINE_TARGET_ADDRESS);
+
+ Register registers[] = {
+ cp, // context
+ x0, // receiver
+ };
+ Representation representations[] = {
+ Representation::Tagged(), // context
+ Representation::Tagged(), // receiver
+ };
+ data->Initialize(arraysize(registers), registers, representations,
+ &default_descriptor);
+}
+
+
+void ArgumentAdaptorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ static PlatformInterfaceDescriptor default_descriptor =
+ PlatformInterfaceDescriptor(CAN_INLINE_TARGET_ADDRESS);
+
+ Register registers[] = {
+ cp, // context
+ x1, // JSFunction
+ x0, // actual number of arguments
+ x2, // expected number of arguments
+ };
+ Representation representations[] = {
+ Representation::Tagged(), // context
+ Representation::Tagged(), // JSFunction
+ Representation::Integer32(), // actual number of arguments
+ Representation::Integer32(), // expected number of arguments
+ };
+ data->Initialize(arraysize(registers), registers, representations,
+ &default_descriptor);
+}
+
+
+void ApiFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+ static PlatformInterfaceDescriptor default_descriptor =
+ PlatformInterfaceDescriptor(CAN_INLINE_TARGET_ADDRESS);
+
+ Register registers[] = {
+ cp, // context
+ x0, // callee
+ x4, // call_data
+ x2, // holder
+ x1, // api_function_address
+ };
+ Representation representations[] = {
+ Representation::Tagged(), // context
+ Representation::Tagged(), // callee
+ Representation::Tagged(), // call_data
+ Representation::Tagged(), // holder
+ Representation::External(), // api_function_address
+ };
+ data->Initialize(arraysize(registers), registers, representations,
+ &default_descriptor);
+}
+}
+} // namespace v8::internal
+
+#endif // V8_TARGET_ARCH_ARM64
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