Add a level of indirection to exception handler addresses.

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index cfbb815f8448f40acb6a60ad7f4a5049a22eae55..ba7df802fa6cfd29428abe9aaef2361fa8d32957 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -119,7 +119,7 @@ Handle<Code> CodeStub::GetCode() {
     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 =
@@ -213,6 +213,14 @@ void InstanceofStub::PrintName(StringStream* stream) {
 }
 
 
+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: