Add support for object pool

runtime/vm/code_generator.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/code_generator.h"
 
 #include "vm/assembler_macros.h"
 #include "vm/ast.h"
 #include "vm/bigint_operations.h"
 #include "vm/code_patcher.h"
@@ skipping 744 matching lines @@
     const Error& error =
         Error::Handle(Compiler::CompileFunction(target_function));
     if (!error.IsNull()) {
       Exceptions::PropagateError(error);
     }
   }
   const Code& target_code = Code::Handle(target_function.CurrentCode());
   // Before patching verify that we are not repeatedly patching to the same
   // target.
   ASSERT(target_code.EntryPoint() !=
-         CodePatcher::GetStaticCallTargetAt(caller_frame->pc()));
-  CodePatcher::PatchStaticCallAt(caller_frame->pc(), target_code.EntryPoint());
+         CodePatcher::GetStaticCallTargetAt(caller_frame->pc(), caller_code));
+  CodePatcher::PatchStaticCallAt(caller_frame->pc(), caller_code,
+                                 target_code.EntryPoint());
   caller_code.SetStaticCallTargetCodeAt(caller_frame->pc(), target_code);
   if (FLAG_trace_patching) {
     OS::PrintErr("PatchStaticCall: patching from %#"Px" to '%s' %#"Px"\n",
         caller_frame->pc(),
         target_function.ToFullyQualifiedCString(),
         target_code.EntryPoint());
   }
   arguments.SetReturn(target_code);
 }
 
@@ skipping 572 matching lines @@
   if (frame->IsEntryFrame()) {
     // Since function's current code is always unpatched, the entry frame always
     // calls to unpatched code.
     UNREACHABLE();
   }
   ASSERT(frame->IsDartFrame());
   const Code& caller_code = Code::Handle(frame->LookupDartCode());
   const Function& target_function = Function::Handle(
       caller_code.GetStaticCallTargetFunctionAt(frame->pc()));
   const Code& target_code = Code::Handle(target_function.CurrentCode());
-  CodePatcher::PatchStaticCallAt(frame->pc(), target_code.EntryPoint());
+  CodePatcher::PatchStaticCallAt(frame->pc(), caller_code,
+                                 target_code.EntryPoint());
   caller_code.SetStaticCallTargetCodeAt(frame->pc(), target_code);
   if (FLAG_trace_patching) {
     OS::PrintErr("FixCallersTarget: patching from %#"Px" to '%s' %#"Px"\n",
         frame->pc(),
         Function::Handle(target_code.function()).ToFullyQualifiedCString(),
         target_code.EntryPoint());
   }
   arguments.SetReturn(target_code);
 }
 
@@ skipping 357 matching lines @@
     if (right < 0) {
       remainder -= right;
     } else {
       remainder += right;
     }
   }
   return remainder;
 }
 
 }  // namespace dart