Simplify CodePatcher::GetStaticCallAt.

runtime/vm/code_patcher_x64.cc

 // Copyright (c) 2012, 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"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/code_patcher.h"
 #include "vm/cpu.h"
@@ skipping 103 matching lines @@
     ICData& ic_data = ICData::Handle();
     ic_data ^= reinterpret_cast<RawObject*>(immediate_one());
     return ic_data.raw();
   }
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(InstanceCall);
 };
 
 
-void CodePatcher::GetStaticCallAt(uword return_address,
-                                  Function* function,
-                                  uword* target) {
-  ASSERT(function != NULL);
-  ASSERT(target != NULL);
+uword CodePatcher::GetStaticCallTargetAt(uword return_address) {
   StaticCall call(return_address);
-  *target = call.target();
-  *function = call.function();
+  return call.target();
 }
 
 
 void CodePatcher::PatchStaticCallAt(uword return_address, uword new_target) {
   StaticCall call(return_address);
   call.set_target(new_target);
 }
 
 
 void CodePatcher::PatchInstanceCallAt(uword return_address, uword new_target) {
@@ skipping 104 matching lines @@
   *reinterpret_cast<uint8_t*>(start) = 0xE8;
   ShortCallPattern call(start);
   call.SetTargetAddress(target);
   CPU::FlushICache(start, ShortCallPattern::InstructionLength());
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64