1 files changed, 373 insertions, 0 deletions
diff --git a/deps/v8/src/s390/interface-descriptors-s390.cc b/deps/v8/src/s390/interface-descriptors-s390.cc
new file mode 100644
index 0000000000..63afca85ee
--- /dev/null
+++ b/deps/v8/src/s390/interface-descriptors-s390.cc
@@ -0,0 +1,373 @@
+// Copyright 2015 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.
+
+#if V8_TARGET_ARCH_S390
+
+#include "src/interface-descriptors.h"
+
+namespace v8 {
+namespace internal {
+
+const Register CallInterfaceDescriptor::ContextRegister() { return cp; }
+
+const Register LoadDescriptor::ReceiverRegister() { return r3; }
+const Register LoadDescriptor::NameRegister() { return r4; }
+const Register LoadDescriptor::SlotRegister() { return r2; }
+
+const Register LoadWithVectorDescriptor::VectorRegister() { return r5; }
+
+const Register StoreDescriptor::ReceiverRegister() { return r3; }
+const Register StoreDescriptor::NameRegister() { return r4; }
+const Register StoreDescriptor::ValueRegister() { return r2; }
+
+const Register VectorStoreICTrampolineDescriptor::SlotRegister() { return r6; }
+
+const Register VectorStoreICDescriptor::VectorRegister() { return r5; }
+
+const Register VectorStoreTransitionDescriptor::SlotRegister() { return r6; }
+const Register VectorStoreTransitionDescriptor::VectorRegister() { return r5; }
+const Register VectorStoreTransitionDescriptor::MapRegister() { return r7; }
+
+const Register StoreTransitionDescriptor::MapRegister() { return r5; }
+
+const Register LoadGlobalViaContextDescriptor::SlotRegister() { return r4; }
+
+const Register StoreGlobalViaContextDescriptor::SlotRegister() { return r4; }
+const Register StoreGlobalViaContextDescriptor::ValueRegister() { return r2; }
+
+const Register InstanceOfDescriptor::LeftRegister() { return r3; }
+const Register InstanceOfDescriptor::RightRegister() { return r2; }
+
+const Register StringCompareDescriptor::LeftRegister() { return r3; }
+const Register StringCompareDescriptor::RightRegister() { return r2; }
+
+const Register ApiGetterDescriptor::function_address() { return r4; }
+
+const Register MathPowTaggedDescriptor::exponent() { return r4; }
+
+const Register MathPowIntegerDescriptor::exponent() {
+  return MathPowTaggedDescriptor::exponent();
+}
+
+const Register GrowArrayElementsDescriptor::ObjectRegister() { return r2; }
+const Register GrowArrayElementsDescriptor::KeyRegister() { return r5; }
+
+void FastNewClosureDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r4};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void FastNewContextDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void FastNewObjectDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3, r5};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void FastNewRestParameterDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void FastNewSloppyArgumentsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void FastNewStrictArgumentsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+// static
+const Register TypeConversionDescriptor::ArgumentRegister() { return r2; }
+
+void TypeofDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r5};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void FastCloneRegExpDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r5, r4, r3, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void FastCloneShallowArrayDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r5, r4, r3};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void FastCloneShallowObjectDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r5, r4, r3, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void CreateAllocationSiteDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r4, r5};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void CreateWeakCellDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r4, r5, r3};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void CallFunctionDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void CallFunctionWithFeedbackDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3, r5};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void CallFunctionWithFeedbackAndVectorDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3, r5, r4};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void CallConstructDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // r2 : number of arguments
+  // r3 : the function to call
+  // r4 : feedback vector
+  // r5 : slot in feedback vector (Smi, for RecordCallTarget)
+  // r6 : new target (for IsSuperConstructorCall)
+  // 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[] = {r2, r3, r6, r4};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void CallTrampolineDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // r2 : number of arguments
+  // r3 : the target to call
+  Register registers[] = {r3, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void ConstructStubDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // r2 : number of arguments
+  // r3 : the target to call
+  // r5 : the new target
+  // r4 : allocation site or undefined
+  Register registers[] = {r3, r5, r2, r4};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void ConstructTrampolineDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // r2 : number of arguments
+  // r3 : the target to call
+  // r5 : the new target
+  Register registers[] = {r3, r5, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void RegExpConstructResultDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r4, r3, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void TransitionElementsKindDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r2, r3};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void AllocateHeapNumberDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  data->InitializePlatformSpecific(0, nullptr, nullptr);
+}
+
+#define SIMD128_ALLOC_DESC(TYPE, Type, type, lane_count, lane_type) \
+  void Allocate##Type##Descriptor::InitializePlatformSpecific(      \
+      CallInterfaceDescriptorData* data) {                          \
+    data->InitializePlatformSpecific(0, nullptr, nullptr);          \
+  }
+SIMD128_TYPES(SIMD128_ALLOC_DESC)
+#undef SIMD128_ALLOC_DESC
+
+void AllocateInNewSpaceDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void ArrayConstructorConstantArgCountDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // register state
+  // r2 -- number of arguments
+  // r3 -- function
+  // r4 -- allocation site with elements kind
+  Register registers[] = {r3, r4};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void ArrayConstructorDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // stack param count needs (constructor pointer, and single argument)
+  Register registers[] = {r3, r4, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void InternalArrayConstructorConstantArgCountDescriptor::
+    InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
+  // register state
+  // r2 -- number of arguments
+  // r3 -- constructor function
+  Register registers[] = {r3};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void InternalArrayConstructorDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // stack param count needs (constructor pointer, and single argument)
+  Register registers[] = {r3, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void FastArrayPushDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // stack param count needs (arg count)
+  Register registers[] = {r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void CompareDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void BinaryOpDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void BinaryOpWithAllocationSiteDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r4, r3, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void StringAddDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r3, r2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void KeyedDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      r4,  // key
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void NamedDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      r4,  // name
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void CallHandlerDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      r2,  // receiver
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void ArgumentAdaptorDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      r3,  // JSFunction
+      r5,  // the new target
+      r2,  // actual number of arguments
+      r4,  // expected number of arguments
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void ApiCallbackDescriptorBase::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      r2,  // callee
+      r6,  // call_data
+      r4,  // holder
+      r3,  // api_function_address
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void InterpreterDispatchDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      kInterpreterAccumulatorRegister, kInterpreterRegisterFileRegister,
+      kInterpreterBytecodeOffsetRegister, kInterpreterBytecodeArrayRegister,
+      kInterpreterDispatchTableRegister};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void InterpreterPushArgsAndCallDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      r2,  // argument count (not including receiver)
+      r4,  // address of first argument
+      r3   // the target callable to be call
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void InterpreterPushArgsAndConstructDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      r2,  // argument count (not including receiver)
+      r5,  // new target
+      r3,  // constructor to call
+      r4   // address of the first argument
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+void InterpreterCEntryDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      r2,  // argument count (argc)
+      r4,  // address of first argument (argv)
+      r3   // the runtime function to call
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_TARGET_ARCH_S390