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Added a test which installs a poisonous memento right after the new space top pointer.

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BUG=
R=bmeurer@chromium.org, mvstanton@chromium.org

Review URL: https://codereview.chromium.org/152813003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19066 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
hpayer@chromium.org 2014-02-04 12:10:30 +00:00
parent efee3b8608
commit e5c7f4eff1
2 changed files with 60 additions and 0 deletions
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1
test/cctest/cctest.gyp
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@ -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',

59
test/cctest/test-mementos.cc Normal file
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@ -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);
}