v8/test/cctest/heap/heap-utils.h
Maya Lekova 3253767622 Revert "Move API-related files"
This reverts commit 9ac8b20086.

Reason for revert: Breaks CFI bot 
https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20-%20cfi/20442

Original change's description:
> Move API-related files
> 
> NOPRESUBMIT=true
> TBR=verwaest@chromium.org
> 
> Bug: v8:9247
> Change-Id: I45bfe0782ba92aa7ed27a9e308d0aab9ba1bac7f
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1613988
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Commit-Queue: Yang Guo <yangguo@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61579}

TBR=rmcilroy@chromium.org,yangguo@chromium.org,mstarzinger@chromium.org,verwaest@chromium.org

Change-Id: I28ee9174a1cbc1dae9711977bf9369253ef43058
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:9247
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1615463
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61583}
2019-05-16 15:00:18 +00:00

88 lines
2.7 KiB
C++

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef HEAP_HEAP_UTILS_H_
#define HEAP_HEAP_UTILS_H_
#include "src/api-inl.h"
#include "src/heap/heap.h"
namespace v8 {
namespace internal {
namespace heap {
class TemporaryEmbedderHeapTracerScope {
public:
TemporaryEmbedderHeapTracerScope(v8::Isolate* isolate,
v8::EmbedderHeapTracer* tracer)
: isolate_(isolate) {
isolate_->SetEmbedderHeapTracer(tracer);
}
~TemporaryEmbedderHeapTracerScope() {
isolate_->SetEmbedderHeapTracer(nullptr);
}
private:
v8::Isolate* const isolate_;
};
void SealCurrentObjects(Heap* heap);
int FixedArrayLenFromSize(int size);
// Fill a page with fixed arrays leaving remainder behind. The function does
// not create additional fillers and assumes that the space has just been
// sealed.
std::vector<Handle<FixedArray>> FillOldSpacePageWithFixedArrays(Heap* heap,
int remainder);
std::vector<Handle<FixedArray>> CreatePadding(
Heap* heap, int padding_size, AllocationType allocation,
int object_size = kMaxRegularHeapObjectSize);
void AllocateAllButNBytes(
v8::internal::NewSpace* space, int extra_bytes,
std::vector<Handle<FixedArray>>* out_handles = nullptr);
void FillCurrentPage(v8::internal::NewSpace* space,
std::vector<Handle<FixedArray>>* out_handles = nullptr);
// Helper function that simulates a full new-space in the heap.
bool FillUpOnePage(v8::internal::NewSpace* space,
std::vector<Handle<FixedArray>>* out_handles = nullptr);
void SimulateFullSpace(v8::internal::NewSpace* space,
std::vector<Handle<FixedArray>>* out_handles = nullptr);
// Helper function that simulates many incremental marking steps until
// marking is completed.
void SimulateIncrementalMarking(i::Heap* heap, bool force_completion = true);
// Helper function that simulates a full old-space in the heap.
void SimulateFullSpace(v8::internal::PagedSpace* space);
void AbandonCurrentlyFreeMemory(PagedSpace* space);
void GcAndSweep(Heap* heap, AllocationSpace space);
void ForceEvacuationCandidate(Page* page);
void InvokeScavenge();
void InvokeMarkSweep();
template <typename GlobalOrPersistent>
bool InYoungGeneration(v8::Isolate* isolate, const GlobalOrPersistent& global) {
v8::HandleScope scope(isolate);
auto tmp = global.Get(isolate);
return i::Heap::InYoungGeneration(*v8::Utils::OpenHandle(*tmp));
}
} // namespace heap
} // namespace internal
} // namespace v8
#endif // HEAP_HEAP_UTILS_H_