Simplify representation of stack frames. Remove the special types DartFrame/StubFrame and instead u…

vm/runtime_entry_x64.cc

Index: vm/runtime_entry_x64.cc
===================================================================
--- vm/runtime_entry_x64.cc	(revision 6919)
+++ vm/runtime_entry_x64.cc	(working copy)
@@ -20,24 +20,12 @@
 //   RSP : points to the arguments and return value array.
 //   RBX : address of the runtime function to call.
 //   R10 : number of arguments to the call.
-void RuntimeEntry::CallFromDart(Assembler* assembler) const {
+void RuntimeEntry::Call(Assembler* assembler) const {
   __ movq(RBX, Immediate(GetEntryPoint()));
   __ movq(R10, Immediate(argument_count()));
-  __ call(&StubCode::DartCallToRuntimeLabel());
+  __ call(&StubCode::CallToRuntimeLabel());
 }
 
-
-// Generate code to call into the stub which will call the runtime
-// function. Input for the stub is as follows:
-//   RSP : points to the arguments and return value array.
-//   RBX : address of the runtime function to call.
-//   R10 : number of arguments to the call.
-void RuntimeEntry::CallFromStub(Assembler* assembler) const {
-  __ movq(RBX, Immediate(GetEntryPoint()));
-  __ movq(R10, Immediate(argument_count()));
-  __ call(&StubCode::StubCallToRuntimeLabel());
-}
-
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64