11cb0ef41Sopenharmony_ci// Copyright 2021 the V8 project authors. All rights reserved.
21cb0ef41Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be
31cb0ef41Sopenharmony_ci// found in the LICENSE file.
41cb0ef41Sopenharmony_ci
51cb0ef41Sopenharmony_ci#ifndef V8_HEAP_HEAP_LAYOUT_TRACER_H_
61cb0ef41Sopenharmony_ci#define V8_HEAP_HEAP_LAYOUT_TRACER_H_
71cb0ef41Sopenharmony_ci
81cb0ef41Sopenharmony_ci#include "include/v8-callbacks.h"
91cb0ef41Sopenharmony_ci#include "src/common/globals.h"
101cb0ef41Sopenharmony_ci
111cb0ef41Sopenharmony_cinamespace v8 {
121cb0ef41Sopenharmony_cinamespace internal {
131cb0ef41Sopenharmony_ci
141cb0ef41Sopenharmony_ciclass Heap;
151cb0ef41Sopenharmony_ciclass BasicMemoryChunk;
161cb0ef41Sopenharmony_ci
171cb0ef41Sopenharmony_ciclass HeapLayoutTracer : AllStatic {
181cb0ef41Sopenharmony_ci public:
191cb0ef41Sopenharmony_ci  static void GCProloguePrintHeapLayout(v8::Isolate* isolate,
201cb0ef41Sopenharmony_ci                                        v8::GCType gc_type,
211cb0ef41Sopenharmony_ci                                        v8::GCCallbackFlags flags, void* data);
221cb0ef41Sopenharmony_ci  static void GCEpiloguePrintHeapLayout(v8::Isolate* isolate,
231cb0ef41Sopenharmony_ci                                        v8::GCType gc_type,
241cb0ef41Sopenharmony_ci                                        v8::GCCallbackFlags flags, void* data);
251cb0ef41Sopenharmony_ci
261cb0ef41Sopenharmony_ci private:
271cb0ef41Sopenharmony_ci  static void PrintBasicMemoryChunk(std::ostream& os, BasicMemoryChunk* chunk,
281cb0ef41Sopenharmony_ci                                    const char* owner_name);
291cb0ef41Sopenharmony_ci  static void PrintHeapLayout(std::ostream& os, Heap* heap);
301cb0ef41Sopenharmony_ci};
311cb0ef41Sopenharmony_ci}  // namespace internal
321cb0ef41Sopenharmony_ci}  // namespace v8
331cb0ef41Sopenharmony_ci#endif  // V8_HEAP_HEAP_LAYOUT_TRACER_H_
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