erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #ifndef V8_STORE_BUFFER_INL_H_ |
| 29 | #define V8_STORE_BUFFER_INL_H_ |
| 30 | |
| 31 | #include "store-buffer.h" |
| 32 | |
| 33 | namespace v8 { |
| 34 | namespace internal { |
| 35 | |
| 36 | Address StoreBuffer::TopAddress() { |
| 37 | return reinterpret_cast<Address>(heap_->store_buffer_top_address()); |
| 38 | } |
| 39 | |
| 40 | |
| 41 | void StoreBuffer::Mark(Address addr) { |
| 42 | ASSERT(!heap_->cell_space()->Contains(addr)); |
| 43 | ASSERT(!heap_->code_space()->Contains(addr)); |
| 44 | Address* top = reinterpret_cast<Address*>(heap_->store_buffer_top()); |
| 45 | *top++ = addr; |
| 46 | heap_->public_set_store_buffer_top(top); |
| 47 | if ((reinterpret_cast<uintptr_t>(top) & kStoreBufferOverflowBit) != 0) { |
| 48 | ASSERT(top == limit_); |
| 49 | Compact(); |
| 50 | } else { |
| 51 | ASSERT(top < limit_); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | |
| 56 | void StoreBuffer::EnterDirectlyIntoStoreBuffer(Address addr) { |
| 57 | if (store_buffer_rebuilding_enabled_) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 58 | SLOW_ASSERT(!heap_->cell_space()->Contains(addr) && |
| 59 | !heap_->code_space()->Contains(addr) && |
| 60 | !heap_->old_data_space()->Contains(addr) && |
| 61 | !heap_->new_space()->Contains(addr)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 62 | Address* top = old_top_; |
| 63 | *top++ = addr; |
| 64 | old_top_ = top; |
| 65 | old_buffer_is_sorted_ = false; |
| 66 | old_buffer_is_filtered_ = false; |
| 67 | if (top >= old_limit_) { |
| 68 | ASSERT(callback_ != NULL); |
| 69 | (*callback_)(heap_, |
| 70 | MemoryChunk::FromAnyPointerAddress(addr), |
| 71 | kStoreBufferFullEvent); |
| 72 | } |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | |
danno@chromium.org | 169691d | 2013-07-15 08:01:13 +0000 | [diff] [blame^] | 77 | void StoreBuffer::ClearDeadObject(HeapObject* object) { |
| 78 | Address& map_field = Memory::Address_at(object->address()); |
| 79 | if (heap_->map_space()->Contains(map_field)) { |
| 80 | map_field = NULL; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 85 | } } // namespace v8::internal |
| 86 | |
| 87 | #endif // V8_STORE_BUFFER_INL_H_ |