b6b7de0d60
This reverts commit9da3483136Original change's description: > "Reland x4 [arraybuffer] Rearchitect backing store ownership" > > This is a reland ofbc33f5aeba> > Contributed by titzer@chromium.org > > Original change's description: > > [arraybuffer] Rearchitect backing store ownership > > > > This CL completely rearchitects the ownership of array buffer backing stores, > > consolidating ownership into a {BackingStore} C++ object that is tracked > > throughout V8 using unique_ptr and shared_ptr where appropriate. > > > > Overall, lifetime management is simpler and more explicit. The numerous > > ways that array buffers were initialized have been streamlined to one > > Attach() method on JSArrayBuffer. The array buffer tracker in the > > GC implementation now manages std::shared_ptr<BackingStore> pointers, > > and the construction and destruction of the BackingStore object itself > > handles the underlying page or embedder-allocated memory. > > > > The embedder API remains unchanged for now. We use the > > v8::ArrayBuffer::Contents struct to hide an additional shared_ptr to > > keep the backing store alive properly, even in the case of aliases > > from live heap objects. Thus the embedder has a lower chance of making > > a mistake. Long-term, we should move the embedder to a model where they > > manage backing stores using shared_ptr to an opaque backing store object. > > TBR=yangguo@chromium.org > > BUG=v8:9380,v8:9221,chromium:986318 > > Change-Id: If671a4a9ca0476e8f084efae46e0d2bf99ed99ef > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1731005 > Commit-Queue: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Clemens Hammacher <clemensh@chromium.org> > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> > Cr-Commit-Position: refs/heads/master@{#63041} TBR=yangguo@chromium.org Change-Id: I3cc4bb80081c662b1751234bc16a821c20e744be Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1792166 Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#63617}
55 lines
2.0 KiB
Plaintext
55 lines
2.0 KiB
Plaintext
# Copyright 2014 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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[
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['system == macos and asan', {
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# BUG(820416).
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'BitsDeathTest*': [SKIP],
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'LiveRangeUnitTest*': [SKIP],
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'LoggingDeathTest*': [SKIP],
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'LoggingTest.CompareClassTypes': [SKIP],
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'LoggingTest.CompareWithDifferentSignedness': [SKIP],
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'LoggingTest.CompareWithReferenceType': [SKIP],
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'RandomNumberGenerator.NextSampleInvalidParam': [SKIP],
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'RandomNumberGenerator.NextSampleSlowInvalidParam1': [SKIP],
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'RandomNumberGenerator.NextSampleSlowInvalidParam2': [SKIP],
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}], # 'system == macos and asan'
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['(arch == arm or arch == mips) and not simulator_run', {
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# Uses too much memory.
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'Parameterized/WasmCodeManagerTest.GrowingVsFixedModule/Fixed': [SKIP]
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}], # '(arch == arm or arch == mips) and not simulator_run'
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##############################################################################
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['lite_mode or variant == jitless', {
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# TODO(v8:7777): Re-enable once wasm is supported in jitless mode.
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'ValueSerializerTestWithSharedArrayBufferClone.RoundTripWebAssemblyMemory': [SKIP],
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'ValueSerializerTestWithWasm.*': [SKIP],
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'Parameterized/WasmCodeManagerTest.*': [SKIP],
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}], # lite_mode or variant == jitless
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##############################################################################
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['variant == jitless and not embedded_builtins', {
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'*': [SKIP],
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}], # variant == jitless and not embedded_builtins
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['system == windows and asan', {
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# BUG(893437).
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'Torque*': [SKIP],
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}], # 'system == windows and asan'
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['system == windows and arch == x64 and mode == release', {
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# BUG(992783).
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'Torque.ConditionalFields': [SKIP],
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'Torque.UsingUnderscorePrefixedIdentifierError': [SKIP],
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}], # 'system == windows and arch == x64 and mode == release'
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['tsan == True', {
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# https://crbug.com/v8/9380
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# The test is broken and needs to be fixed to use separate isolates.
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'BackingStoreTest.RacyGrowWasmMemoryInPlace': [SKIP],
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}], # 'tsan == True'
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]
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