88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
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// Copyright 2013 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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#ifndef V8_HEAP_SNAPSHOT_GENERATOR_INL_H_
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#define V8_HEAP_SNAPSHOT_GENERATOR_INL_H_
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#include "heap-snapshot-generator.h"
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namespace v8 {
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namespace internal {
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HeapEntry* HeapGraphEdge::from() const {
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return &snapshot()->entries()[from_index_];
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}
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HeapSnapshot* HeapGraphEdge::snapshot() const {
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return to_entry_->snapshot();
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}
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int HeapEntry::index() const {
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return static_cast<int>(this - &snapshot_->entries().first());
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}
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int HeapEntry::set_children_index(int index) {
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children_index_ = index;
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int next_index = index + children_count_;
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children_count_ = 0;
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return next_index;
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}
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HeapGraphEdge** HeapEntry::children_arr() {
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ASSERT(children_index_ >= 0);
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return &snapshot_->children()[children_index_];
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}
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SnapshotObjectId HeapObjectsMap::GetNthGcSubrootId(int delta) {
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return kGcRootsFirstSubrootId + delta * kObjectIdStep;
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}
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HeapObject* V8HeapExplorer::GetNthGcSubrootObject(int delta) {
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return reinterpret_cast<HeapObject*>(
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reinterpret_cast<char*>(kFirstGcSubrootObject) +
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delta * HeapObjectsMap::kObjectIdStep);
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}
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int V8HeapExplorer::GetGcSubrootOrder(HeapObject* subroot) {
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return static_cast<int>(
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(reinterpret_cast<char*>(subroot) -
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reinterpret_cast<char*>(kFirstGcSubrootObject)) /
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HeapObjectsMap::kObjectIdStep);
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}
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} } // namespace v8::internal
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#endif // V8_HEAP_SNAPSHOT_GENERATOR_INL_H_
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