Add a level of indirection to exception handler addresses.

src/code-stubs.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 101 matching lines @@
     CodeDesc desc;
     masm.GetCode(&desc);
 
     // Copy the generated code into a heap object.
     Code::Flags flags = Code::ComputeFlags(
         static_cast<Code::Kind>(GetCodeKind()),
         GetICState());
     Handle<Code> new_object = factory->NewCode(
         desc, flags, masm.CodeObject(), NeedsImmovableCode());
     RecordCodeGeneration(*new_object, &masm);
-    FinishCode(*new_object);
+    FinishCode(new_object);
 
     // Update the dictionary and the root in Heap.
     Handle<NumberDictionary> dict =
         factory->DictionaryAtNumberPut(
             Handle<NumberDictionary>(heap->code_stubs()),
             GetKey(),
             new_object);
     heap->public_set_code_stubs(*dict);
     code = *new_object;
     Activate(code);
@@ skipping 73 matching lines @@
     return_true_false_object = "_TRUEFALSE";
   }
 
   stream->Add("InstanceofStub%s%s%s",
               args,
               inline_check,
               return_true_false_object);
 }
 
 
+void JSEntryStub::FinishCode(Handle<Code> code) {
+  Handle<FixedArray> handler_table =
+      code->GetIsolate()->factory()->NewFixedArray(1, TENURED);
+  handler_table->set(0, Smi::FromInt(handler_offset_));
+  code->set_handler_table(*handler_table);
+}
+
+
 void KeyedLoadElementStub::Generate(MacroAssembler* masm) {
   switch (elements_kind_) {
     case FAST_ELEMENTS:
     case FAST_SMI_ONLY_ELEMENTS:
       KeyedLoadStubCompiler::GenerateLoadFastElement(masm);
       break;
     case FAST_DOUBLE_ELEMENTS:
       KeyedLoadStubCompiler::GenerateLoadFastDoubleElement(masm);
       break;
     case EXTERNAL_BYTE_ELEMENTS:
@@ skipping 167 matching lines @@
       KeyedStoreStubCompiler::GenerateStoreFastDoubleElement(masm, is_jsarray_);
     } else {
       UNREACHABLE();
     }
   }
   masm->bind(&fail);
   KeyedStoreIC::GenerateRuntimeSetProperty(masm, strict_mode_);
 }
 
 } }  // namespace v8::internal