Refactoring InterfaceDescriptors away from code-stubs.h

src/arm64/interface-descriptors-arm64.cc

Index: src/arm64/interface-descriptors-arm64.cc
diff --git a/src/arm64/interface-descriptors-arm64.cc b/src/arm64/interface-descriptors-arm64.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cc1dc872b27b890affb3d62049d0f43793741f3d
--- /dev/null
+++ b/src/arm64/interface-descriptors-arm64.cc
@@ -0,0 +1,108 @@
+// 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 InterfaceDescriptor::ContextRegister() { return cp; }
+
+
+void CallDescriptors::InitializeForIsolate(Isolate* isolate) {
+  static PlatformInterfaceDescriptor default_descriptor =
+      PlatformInterfaceDescriptor(CAN_INLINE_TARGET_ADDRESS);
+
+  static PlatformInterfaceDescriptor noInlineDescriptor =
+      PlatformInterfaceDescriptor(NEVER_INLINE_TARGET_ADDRESS);
+
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::ArgumentAdaptorCall);
+    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
+    };
+    descriptor->Initialize(arraysize(registers), registers, representations,
+                           &default_descriptor);
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::KeyedCall);
+    Register registers[] = {
+        cp,  // context
+        x2,  // key
+    };
+    Representation representations[] = {
+        Representation::Tagged(),  // context
+        Representation::Tagged(),  // key
+    };
+    descriptor->Initialize(arraysize(registers), registers, representations,
+                           &noInlineDescriptor);
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::NamedCall);
+    Register registers[] = {
+        cp,  // context
+        x2,  // name
+    };
+    Representation representations[] = {
+        Representation::Tagged(),  // context
+        Representation::Tagged(),  // name
+    };
+    descriptor->Initialize(arraysize(registers), registers, representations,
+                           &noInlineDescriptor);
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::CallHandler);
+    Register registers[] = {
+        cp,  // context
+        x0,  // receiver
+    };
+    Representation representations[] = {
+        Representation::Tagged(),  // context
+        Representation::Tagged(),  // receiver
+    };
+    descriptor->Initialize(arraysize(registers), registers, representations,
+                           &default_descriptor);
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::ApiFunctionCall);
+    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
+    };
+    descriptor->Initialize(arraysize(registers), registers, representations,
+                           &default_descriptor);
+  }
+}
+}
+}  // namespace v8::internal
+
+#endif  // V8_TARGET_ARCH_ARM64