Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4 | |
| 5 | #ifndef V8_ZONE_INL_H_ |
| 6 | #define V8_ZONE_INL_H_ |
| 7 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 8 | #include "src/zone.h" |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 9 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 19 | |
| 20 | namespace v8 { |
| 21 | namespace internal { |
| 22 | |
| 23 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 24 | static const int kASanRedzoneBytes = 24; // Must be a multiple of 8. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 25 | |
| 26 | |
| 27 | bool Zone::excess_allocation() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 28 | return segment_bytes_allocated_ > kExcessLimit; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 29 | } |
| 30 | |
| 31 | |
| 32 | void Zone::adjust_segment_bytes_allocated(int delta) { |
| 33 | segment_bytes_allocated_ += delta; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 34 | } |
| 35 | |
| 36 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 37 | template <typename Config> |
| 38 | ZoneSplayTree<Config>::~ZoneSplayTree() { |
| 39 | // Reset the root to avoid unneeded iteration over all tree nodes |
| 40 | // in the destructor. For a zone-allocated tree, nodes will be |
| 41 | // freed by the Zone. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 42 | SplayTree<Config, ZoneAllocationPolicy>::ResetRoot(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 43 | } |
| 44 | |
| 45 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 46 | void* ZoneObject::operator new(size_t size, Zone* zone) { |
| 47 | return zone->New(static_cast<int>(size)); |
| 48 | } |
| 49 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 50 | inline void* ZoneAllocationPolicy::New(size_t size) { |
| 51 | DCHECK(zone_); |
| 52 | return zone_->New(static_cast<int>(size)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | |
| 56 | template <typename T> |
| 57 | void* ZoneList<T>::operator new(size_t size, Zone* zone) { |
| 58 | return zone->New(static_cast<int>(size)); |
| 59 | } |
| 60 | |
| 61 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 62 | template <typename T> |
| 63 | void* ZoneSplayTree<T>::operator new(size_t size, Zone* zone) { |
| 64 | return zone->New(static_cast<int>(size)); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 68 | } } // namespace v8::internal |
| 69 | |
| 70 | #endif // V8_ZONE_INL_H_ |