Load the native call wrapper via Thread.

runtime/vm/assembler_x64.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/heap.h"
@@ skipping 44 matching lines @@
 
 
 void Assembler::call(Label* label) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   static const int kSize = 5;
   EmitUint8(0xE8);
   EmitLabel(label, kSize);
 }
 
 
-void Assembler::LoadExternalLabel(Register dst,
-                                  const ExternalLabel* label,
-                                  Patchability patchable) {
-  const int32_t offset = ObjectPool::element_offset(
-      object_pool_wrapper_.FindExternalLabel(label, patchable));
-  LoadWordFromPoolOffset(dst, offset - kHeapObjectTag);
-}
-
-
 void Assembler::LoadNativeEntry(Register dst,
                                 const ExternalLabel* label,
                                 Patchability patchable) {
   const int32_t offset = ObjectPool::element_offset(
       object_pool_wrapper_.FindNativeEntry(label, patchable));
   LoadWordFromPoolOffset(dst, offset - kHeapObjectTag);
 }
 
 
 void Assembler::call(const ExternalLabel* label) {
@@ skipping 3892 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64