Switch full-codegen from StackHandlers to handler table.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 743 matching lines @@
 bool Object::IsDeoptimizationOutputData() const {
   if (!IsFixedArray()) return false;
   // There's actually no way to see the difference between a fixed array and
   // a deoptimization data array.  Since this is used for asserts we can check
   // that the length is plausible though.
   if (FixedArray::cast(this)->length() % 2 != 0) return false;
   return true;
 }
 
 
+bool Object::IsHandlerTable() const {
+  if (!IsFixedArray()) return false;
+  // There's actually no way to see the difference between a fixed array and
+  // a handler table array.

[Yang, 2015/03/17 10:21:22]

Maybe we want to introduce a special fixed array map? Then again that would just
be for debugging and assertions.

[Michael Starzinger, 2015/03/18 10:42:35]

Acknowledged. As discussed offline, Benedikt and I were thinking about moving
this table into the code object itself at some point. So I would vote for having
the table be minimally intrusive for now, if you are fine with that.

+  return true;
+}
+
+
 bool Object::IsDependentCode() const {
   if (!IsFixedArray()) return false;
   // There's actually no way to see the difference between a fixed array and
   // a dependent codes array.
   return true;
 }
 
 
 bool Object::IsContext() const {
   if (!Object::IsHeapObject()) return false;
@@ skipping 2575 matching lines @@
 CAST_ACCESSOR(ExternalUint16Array)
 CAST_ACCESSOR(ExternalUint32Array)
 CAST_ACCESSOR(ExternalUint8Array)
 CAST_ACCESSOR(ExternalUint8ClampedArray)
 CAST_ACCESSOR(FixedArray)
 CAST_ACCESSOR(FixedArrayBase)
 CAST_ACCESSOR(FixedDoubleArray)
 CAST_ACCESSOR(FixedTypedArrayBase)
 CAST_ACCESSOR(Foreign)
 CAST_ACCESSOR(GlobalObject)
+CAST_ACCESSOR(HandlerTable)
 CAST_ACCESSOR(HeapObject)
 CAST_ACCESSOR(JSArray)
 CAST_ACCESSOR(JSArrayBuffer)
 CAST_ACCESSOR(JSArrayBufferView)
 CAST_ACCESSOR(JSBuiltinsObject)
 CAST_ACCESSOR(JSDataView)
 CAST_ACCESSOR(JSDate)
 CAST_ACCESSOR(JSFunction)
 CAST_ACCESSOR(JSFunctionProxy)
 CAST_ACCESSOR(JSFunctionResultCache)
@@ skipping 2866 matching lines @@
 void Foreign::set_foreign_address(Address value) {
   WRITE_INTPTR_FIELD(this, kForeignAddressOffset, OffsetFrom(value));
 }
 
 
 ACCESSORS(JSGeneratorObject, function, JSFunction, kFunctionOffset)
 ACCESSORS(JSGeneratorObject, context, Context, kContextOffset)
 ACCESSORS(JSGeneratorObject, receiver, Object, kReceiverOffset)
 SMI_ACCESSORS(JSGeneratorObject, continuation, kContinuationOffset)
 ACCESSORS(JSGeneratorObject, operand_stack, FixedArray, kOperandStackOffset)
-SMI_ACCESSORS(JSGeneratorObject, stack_handler_index, kStackHandlerIndexOffset)
 
 bool JSGeneratorObject::is_suspended() {
   DCHECK_LT(kGeneratorExecuting, kGeneratorClosed);
   DCHECK_EQ(kGeneratorClosed, 0);
   return continuation() > 0;
 }
 
 bool JSGeneratorObject::is_closed() {
   return continuation() == kGeneratorClosed;
 }
@@ skipping 1261 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_