34c8119d49
Abort incremental marking pulls in the requirement to also be able to abort on the embedder side. In practice, aborting is never really needed and the GC should just finalize the existing collection and do an atomic followup if exact marking information is required. Bug: chromium:843903 Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: Ic471332d01b0c4be26b71a06248af03255c61a9d Reviewed-on: https://chromium-review.googlesource.com/1225705 Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#55949}
104 lines
3.8 KiB
C++
104 lines
3.8 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "src/heap/factory.h"
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#include "src/heap/heap.h"
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#include "src/isolate.h"
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#include "src/objects-inl.h"
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#include "test/cctest/cctest.h"
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namespace v8 {
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namespace internal {
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static void SetUpNewSpaceWithPoisonedMementoAtTop() {
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Isolate* isolate = CcTest::i_isolate();
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Heap* heap = isolate->heap();
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NewSpace* new_space = heap->new_space();
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// Make sure we can allocate some objects without causing a GC later.
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CcTest::CollectAllGarbage();
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// Allocate a string, the GC may suspect a memento behind the string.
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Handle<SeqOneByteString> string =
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isolate->factory()->NewRawOneByteString(12).ToHandleChecked();
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CHECK(*string);
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// Create an allocation memento behind the string with a garbage allocation
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// site pointer.
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AllocationMemento* memento =
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reinterpret_cast<AllocationMemento*>(new_space->top() + kHeapObjectTag);
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memento->set_map_after_allocation(
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ReadOnlyRoots(heap).allocation_memento_map(), SKIP_WRITE_BARRIER);
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memento->set_allocation_site(
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reinterpret_cast<AllocationSite*>(kHeapObjectTag), SKIP_WRITE_BARRIER);
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}
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TEST(Regress340063) {
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CcTest::InitializeVM();
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if (!i::FLAG_allocation_site_pretenuring) return;
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v8::HandleScope scope(CcTest::isolate());
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SetUpNewSpaceWithPoisonedMementoAtTop();
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// Call GC to see if we can handle a poisonous memento right after the
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// current new space top pointer.
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CcTest::PreciseCollectAllGarbage();
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}
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TEST(Regress470390) {
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CcTest::InitializeVM();
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if (!i::FLAG_allocation_site_pretenuring) return;
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v8::HandleScope scope(CcTest::isolate());
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SetUpNewSpaceWithPoisonedMementoAtTop();
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// Set the new space limit to be equal to the top.
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Address top = CcTest::i_isolate()->heap()->new_space()->top();
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*(CcTest::i_isolate()->heap()->new_space()->allocation_limit_address()) = top;
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// Call GC to see if we can handle a poisonous memento right after the
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// current new space top pointer.
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CcTest::PreciseCollectAllGarbage();
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}
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TEST(BadMementoAfterTopForceScavenge) {
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CcTest::InitializeVM();
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if (!i::FLAG_allocation_site_pretenuring) return;
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v8::HandleScope scope(CcTest::isolate());
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SetUpNewSpaceWithPoisonedMementoAtTop();
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// Force GC to test the poisoned memento handling
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CcTest::CollectGarbage(i::NEW_SPACE);
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}
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} // namespace internal
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} // namespace v8
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