Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/test/cctest/test-mementos.cc b/test/cctest/test-mementos.cc
new file mode 100644
index 0000000..4c85151
--- /dev/null
+++ b/test/cctest/test-mementos.cc
@@ -0,0 +1,121 @@
+// Copyright 2014 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
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "test/cctest/cctest.h"
+
+using namespace v8::internal;
+
+
+static void SetUpNewSpaceWithPoisonedMementoAtTop() {
+ Isolate* isolate = CcTest::i_isolate();
+ Heap* heap = isolate->heap();
+ NewSpace* new_space = heap->new_space();
+
+ // Make sure we can allocate some objects without causing a GC later.
+ heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
+
+ // Allocate a string, the GC may suspect a memento behind the string.
+ Handle<SeqOneByteString> string =
+ isolate->factory()->NewRawOneByteString(12).ToHandleChecked();
+ CHECK(*string);
+
+ // Create an allocation memento behind the string with a garbage allocation
+ // site pointer.
+ AllocationMemento* memento =
+ reinterpret_cast<AllocationMemento*>(new_space->top() + kHeapObjectTag);
+ memento->set_map_no_write_barrier(heap->allocation_memento_map());
+ memento->set_allocation_site(
+ reinterpret_cast<AllocationSite*>(kHeapObjectTag), SKIP_WRITE_BARRIER);
+}
+
+
+TEST(Regress340063) {
+ CcTest::InitializeVM();
+ if (!i::FLAG_allocation_site_pretenuring) return;
+ v8::HandleScope scope(CcTest::isolate());
+
+
+ SetUpNewSpaceWithPoisonedMementoAtTop();
+
+ // Call GC to see if we can handle a poisonous memento right after the
+ // current new space top pointer.
+ CcTest::i_isolate()->heap()->CollectAllGarbage(
+ Heap::kAbortIncrementalMarkingMask);
+}
+
+
+TEST(BadMementoAfterTopForceScavenge) {
+ CcTest::InitializeVM();
+ if (!i::FLAG_allocation_site_pretenuring) return;
+ v8::HandleScope scope(CcTest::isolate());
+
+ SetUpNewSpaceWithPoisonedMementoAtTop();
+
+ // Force GC to test the poisoned memento handling
+ CcTest::i_isolate()->heap()->CollectGarbage(i::NEW_SPACE);
+}
+
+
+TEST(PretenuringCallNew) {
+ CcTest::InitializeVM();
+ if (!i::FLAG_allocation_site_pretenuring) return;
+ if (!i::FLAG_pretenuring_call_new) return;
+
+ v8::HandleScope scope(CcTest::isolate());
+ Isolate* isolate = CcTest::i_isolate();
+ Heap* heap = isolate->heap();
+
+ int call_count = 10;
+ i::ScopedVector<char> test_buf(1024);
+ const char* program =
+ "function f() {"
+ " this.a = 3;"
+ " this.b = {};"
+ " return this;"
+ "};"
+ "var a;"
+ "for(var i = 0; i < %d; i++) {"
+ " a = new f();"
+ "}"
+ "a;";
+ i::SNPrintF(test_buf, program, call_count);
+ v8::Local<v8::Value> res = CompileRun(test_buf.start());
+ Handle<JSObject> o =
+ v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res));
+
+ // The object of class f should have a memento secreted behind it.
+ Address memento_address = o->address() + o->map()->instance_size();
+ AllocationMemento* memento =
+ reinterpret_cast<AllocationMemento*>(memento_address + kHeapObjectTag);
+ CHECK_EQ(memento->map(), heap->allocation_memento_map());
+
+ // Furthermore, how many mementos did we create? The count should match
+ // call_count. Note, that mementos are allocated during the inobject slack
+ // tracking phase.
+ AllocationSite* site = memento->GetAllocationSite();
+ CHECK_EQ(call_count, site->pretenure_create_count()->value());
+}