From e5c7f4eff16458ffd51c6ab606f75c367e1159dc Mon Sep 17 00:00:00 2001 From: "hpayer@chromium.org" Date: Tue, 4 Feb 2014 12:10:30 +0000 Subject: [PATCH] Added a test which installs a poisonous memento right after the new space top pointer. 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 --- test/cctest/cctest.gyp | 1 + test/cctest/test-mementos.cc | 59 ++++++++++++++++++++++++++++++++++++ 2 files changed, 60 insertions(+) create mode 100644 test/cctest/test-mementos.cc diff --git a/test/cctest/cctest.gyp b/test/cctest/cctest.gyp index d735c60eec..996db3eea4 100644 --- a/test/cctest/cctest.gyp +++ b/test/cctest/cctest.gyp @@ -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', diff --git a/test/cctest/test-mementos.cc b/test/cctest/test-mementos.cc new file mode 100644 index 0000000000..f59eef9485 --- /dev/null +++ b/test/cctest/test-mementos.cc @@ -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 string = isolate->factory()->NewRawOneByteString(12); + CHECK(*string); + + // Create an allocation memento behind the string with a garbage allocation + // site pointer. + AllocationMemento* memento = + reinterpret_cast(new_space->top() + kHeapObjectTag); + memento->set_map_no_write_barrier(heap->allocation_memento_map()); + memento->set_allocation_site( + reinterpret_cast(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); +}