Refactoring InterfaceDescriptors away from code-stubs.h

src/x64/interface-descriptors-x64.cc

Index: src/x64/interface-descriptors-x64.cc
diff --git a/src/x64/interface-descriptors-x64.cc b/src/x64/interface-descriptors-x64.cc
new file mode 100644
index 0000000000000000000000000000000000000000..27737ec5bfc2b3857c768196eef0beb08e98a1d9
--- /dev/null
+++ b/src/x64/interface-descriptors-x64.cc
@@ -0,0 +1,97 @@
+// 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_X64
+
+#include "src/interface-descriptors.h"
+
+namespace v8 {
+namespace internal {
+
+const Register InterfaceDescriptor::ContextRegister() { return rsi; }
+
+
+void CallDescriptors::InitializeForIsolate(Isolate* isolate) {
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::ArgumentAdaptorCall);
+    Register registers[] = {
+        rsi,  // context
+        rdi,  // JSFunction
+        rax,  // actual number of arguments
+        rbx,  // 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);
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::KeyedCall);
+    Register registers[] = {
+        rsi,  // context
+        rcx,  // key
+    };
+    Representation representations[] = {
+        Representation::Tagged(),  // context
+        Representation::Tagged(),  // key
+    };
+    descriptor->Initialize(arraysize(registers), registers, representations);
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::NamedCall);
+    Register registers[] = {
+        rsi,  // context
+        rcx,  // name
+    };
+    Representation representations[] = {
+        Representation::Tagged(),  // context
+        Representation::Tagged(),  // name
+    };
+    descriptor->Initialize(arraysize(registers), registers, representations);
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::CallHandler);
+    Register registers[] = {
+        rsi,  // context
+        rdx,  // receiver
+    };
+    Representation representations[] = {
+        Representation::Tagged(),  // context
+        Representation::Tagged(),  // receiver
+    };
+    descriptor->Initialize(arraysize(registers), registers, representations);
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(CallDescriptorKey::ApiFunctionCall);
+    Register registers[] = {
+        rsi,  // context
+        rax,  // callee
+        rbx,  // call_data
+        rcx,  // holder
+        rdx,  // 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);
+  }
+}
+}
+}  // namespace v8::internal
+
+#endif  // V8_TARGET_ARCH_X64