f9bb65eb9f
Avoid the deprecated FLAG_* syntax, access flag values via the
{v8_flags} struct instead.
R=mliedtke@chromium.org
Bug: v8:12887
Change-Id: I06e12314495c2d89135e58e5d3a01310f108e865
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3899303
Reviewed-by: Matthias Liedtke <mliedtke@chromium.org>
Commit-Queue: Matthias Liedtke <mliedtke@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83233}
109 lines
3.6 KiB
C++
109 lines
3.6 KiB
C++
// 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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#include "test/unittests/test-utils.h"
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#include "include/libplatform/libplatform.h"
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#include "include/v8-isolate.h"
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#include "src/api/api-inl.h"
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#include "src/base/platform/time.h"
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#include "src/execution/isolate.h"
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#include "src/flags/flags.h"
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#include "src/init/v8.h"
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#include "src/objects/objects-inl.h"
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namespace v8 {
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namespace {
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// counter_lookup_callback doesn't pass through any state information about
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// the current Isolate, so we have to store the current counter map somewhere.
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// Fortunately tests run serially, so we can just store it in a static global.
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CounterMap* kCurrentCounterMap = nullptr;
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} // namespace
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IsolateWrapper::IsolateWrapper(CountersMode counters_mode)
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: array_buffer_allocator_(
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v8::ArrayBuffer::Allocator::NewDefaultAllocator()) {
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CHECK_NULL(kCurrentCounterMap);
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v8::Isolate::CreateParams create_params;
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create_params.array_buffer_allocator = array_buffer_allocator_.get();
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if (counters_mode == kEnableCounters) {
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counter_map_ = std::make_unique<CounterMap>();
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kCurrentCounterMap = counter_map_.get();
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create_params.counter_lookup_callback = [](const char* name) {
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CHECK_NOT_NULL(kCurrentCounterMap);
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// If the name doesn't exist in the counter map, operator[] will default
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// initialize it to zero.
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return &(*kCurrentCounterMap)[name];
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};
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} else {
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create_params.counter_lookup_callback = [](const char* name) -> int* {
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return nullptr;
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};
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}
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isolate_ = v8::Isolate::New(create_params);
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CHECK_NOT_NULL(isolate());
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}
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IsolateWrapper::~IsolateWrapper() {
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v8::Platform* platform = internal::V8::GetCurrentPlatform();
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CHECK_NOT_NULL(platform);
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while (platform::PumpMessageLoop(platform, isolate())) continue;
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isolate_->Dispose();
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if (counter_map_) {
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CHECK_EQ(kCurrentCounterMap, counter_map_.get());
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kCurrentCounterMap = nullptr;
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} else {
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CHECK_NULL(kCurrentCounterMap);
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}
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}
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namespace internal {
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SaveFlags::SaveFlags() {
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// For each flag, save the current flag value.
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#define FLAG_MODE_APPLY(ftype, ctype, nam, def, cmt) \
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SAVED_##nam = v8_flags.nam.value();
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#include "src/flags/flag-definitions.h"
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#undef FLAG_MODE_APPLY
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}
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SaveFlags::~SaveFlags() {
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// For each flag, set back the old flag value if it changed (don't write the
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// flag if it didn't change, to keep TSAN happy).
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#define FLAG_MODE_APPLY(ftype, ctype, nam, def, cmt) \
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if (SAVED_##nam != v8_flags.nam.value()) { \
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v8_flags.nam = SAVED_##nam; \
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}
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#include "src/flags/flag-definitions.h" // NOLINT
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#undef FLAG_MODE_APPLY
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}
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ManualGCScope::ManualGCScope(i::Isolate* isolate) {
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// Some tests run threaded (back-to-back) and thus the GC may already be
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// running by the time a ManualGCScope is created. Finalizing existing marking
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// prevents any undefined/unexpected behavior.
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if (isolate && isolate->heap()->incremental_marking()->IsMarking()) {
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isolate->heap()->CollectGarbage(i::OLD_SPACE,
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i::GarbageCollectionReason::kTesting);
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// Make sure there is no concurrent sweeping running in the background.
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isolate->heap()->CompleteSweepingFull();
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}
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i::v8_flags.concurrent_marking = false;
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i::v8_flags.concurrent_sweeping = false;
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i::v8_flags.stress_incremental_marking = false;
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i::v8_flags.stress_concurrent_allocation = false;
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// Parallel marking has a dependency on concurrent marking.
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i::v8_flags.parallel_marking = false;
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i::v8_flags.detect_ineffective_gcs_near_heap_limit = false;
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}
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} // namespace internal
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} // namespace v8
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