VM: More abstract interface for generating stub calls.

runtime/vm/assembler_ia32.cc

Index: runtime/vm/assembler_ia32.cc
diff --git a/runtime/vm/assembler_ia32.cc b/runtime/vm/assembler_ia32.cc
index c83b62f104516f8db7c27633fe5d12987f8232b2..c6c8da8a468aff6b8b5f5b12f092a1f10267af03 100644
--- a/runtime/vm/assembler_ia32.cc
+++ b/runtime/vm/assembler_ia32.cc
@@ -2366,7 +2366,7 @@ void Assembler::StoreIntoObject(Register object,
   if (object != EDX) {
     movl(EDX, object);
   }
-  call(&StubCode::UpdateStoreBufferLabel());
+  Call(*StubCode::UpdateStoreBuffer_entry());
   if (value != EDX) {
     popl(EDX);  // Restore EDX.
   }
@@ -2621,6 +2621,24 @@ void Assembler::CallRuntime(const RuntimeEntry& entry,
 }
 
 
+void Assembler::Call(const StubEntry& stub_entry) {
+  const ExternalLabel label(stub_entry.EntryPoint());
+  call(&label);
+}
+
+
+void Assembler::Jmp(const StubEntry& stub_entry) {
+  const ExternalLabel label(stub_entry.EntryPoint());
+  jmp(&label);
+}
+
+
+void Assembler::J(Condition condition, const StubEntry& stub_entry) {
+  const ExternalLabel label(stub_entry.EntryPoint());
+  j(condition, &label);
+}
+
+
 void Assembler::Align(intptr_t alignment, intptr_t offset) {
   ASSERT(Utils::IsPowerOfTwo(alignment));
   intptr_t pos = offset + buffer_.GetPosition();
@@ -2907,7 +2925,7 @@ void Assembler::Stop(const char* message) {
   if (FLAG_print_stop_message) {
     pushl(EAX);  // Preserve EAX.
     movl(EAX, Immediate(reinterpret_cast<int32_t>(message)));
-    call(&StubCode::PrintStopMessageLabel());  // Passing message in EAX.
+    Call(*StubCode::PrintStopMessage_entry());  // Passing message in EAX.
     popl(EAX);  // Restore EAX.
   } else {
     // Emit the message address as immediate operand in the test instruction.