Revision: 19066
Author: [email protected]
Date: Tue Feb 4 12:10:30 2014 UTC
Log: Added a test which installs a poisonous memento right after the
new space top pointer.
BUG=
[email protected], [email protected]
Review URL: https://codereview.chromium.org/152813003
http://code.google.com/p/v8/source/detail?r=19066
Added:
/branches/bleeding_edge/test/cctest/test-mementos.cc
Modified:
/branches/bleeding_edge/test/cctest/cctest.gyp
=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/cctest/test-mementos.cc Tue Feb 4
12:10:30 2014 UTC
@@ -0,0 +1,59 @@
+// 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 "cctest.h"
+
+using namespace v8::internal;
+
+TEST(Regress340063) {
+ CcTest::InitializeVM();
+ if (!i::FLAG_allocation_site_pretenuring) return;
+ v8::HandleScope scope(CcTest::isolate());
+
+ 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);
+ 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);
+
+ // Call GC to see if we can handle a poisonous memento right after the
+ // current new space top pointer.
+ heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
+}
=======================================
--- /branches/bleeding_edge/test/cctest/cctest.gyp Wed Jan 22 13:44:00 2014
UTC
+++ /branches/bleeding_edge/test/cctest/cctest.gyp Tue Feb 4 12:10:30 2014
UTC
@@ -89,6 +89,7 @@
'test-lockers.cc',
'test-log.cc',
'test-mark-compact.cc',
+ 'test-mementos.cc',
'test-mutex.cc',
'test-object-observe.cc',
'test-parsing.cc',
--
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