1// Copyright 2012 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_ZONE_INL_H_
6#define V8_ZONE_INL_H_
7
8#include "src/zone.h"
9
10#ifdef V8_USE_ADDRESS_SANITIZER
11  #include <sanitizer/asan_interface.h>
12#else
13  #define ASAN_UNPOISON_MEMORY_REGION(start, size) ((void) 0)
14#endif
15
16#include "src/counters.h"
17#include "src/isolate.h"
18#include "src/utils.h"
19
20namespace v8 {
21namespace internal {
22
23
24static const int kASanRedzoneBytes = 24;  // Must be a multiple of 8.
25
26
27bool Zone::excess_allocation() {
28  return segment_bytes_allocated_ > kExcessLimit;
29}
30
31
32void Zone::adjust_segment_bytes_allocated(int delta) {
33  segment_bytes_allocated_ += delta;
34  isolate_->counters()->zone_segment_bytes()->Set(segment_bytes_allocated_);
35}
36
37
38template <typename Config>
39ZoneSplayTree<Config>::~ZoneSplayTree() {
40  // Reset the root to avoid unneeded iteration over all tree nodes
41  // in the destructor.  For a zone-allocated tree, nodes will be
42  // freed by the Zone.
43  SplayTree<Config, ZoneAllocationPolicy>::ResetRoot();
44}
45
46
47void* ZoneObject::operator new(size_t size, Zone* zone) {
48  return zone->New(static_cast<int>(size));
49}
50
51inline void* ZoneAllocationPolicy::New(size_t size) {
52  DCHECK(zone_);
53  return zone_->New(static_cast<int>(size));
54}
55
56
57template <typename T>
58void* ZoneList<T>::operator new(size_t size, Zone* zone) {
59  return zone->New(static_cast<int>(size));
60}
61
62
63template <typename T>
64void* ZoneSplayTree<T>::operator new(size_t size, Zone* zone) {
65  return zone->New(static_cast<int>(size));
66}
67
68
69} }  // namespace v8::internal
70
71#endif  // V8_ZONE_INL_H_
72