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// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef V8_STORE_BUFFER_INL_H_
#define V8_STORE_BUFFER_INL_H_
#include "store-buffer.h"
namespace v8 {
namespace internal {
Address StoreBuffer::TopAddress() {
return reinterpret_cast<Address>(heap_->store_buffer_top_address());
}
void StoreBuffer::Mark(Address addr) {
ASSERT(!heap_->cell_space()->Contains(addr));
ASSERT(!heap_->code_space()->Contains(addr));
Address* top = reinterpret_cast<Address*>(heap_->store_buffer_top());
*top++ = addr;
heap_->public_set_store_buffer_top(top);
if ((reinterpret_cast<uintptr_t>(top) & kStoreBufferOverflowBit) != 0) {
ASSERT(top == limit_);
Compact();
} else {
ASSERT(top < limit_);
}
}
void StoreBuffer::EnterDirectlyIntoStoreBuffer(Address addr) {
if (store_buffer_rebuilding_enabled_) {
SLOW_ASSERT(!heap_->cell_space()->Contains(addr) &&
!heap_->code_space()->Contains(addr) &&
!heap_->old_data_space()->Contains(addr) &&
!heap_->new_space()->Contains(addr));
Address* top = old_top_;
*top++ = addr;
old_top_ = top;
old_buffer_is_sorted_ = false;
old_buffer_is_filtered_ = false;
if (top >= old_limit_) {
ASSERT(callback_ != NULL);
(*callback_)(heap_,
MemoryChunk::FromAnyPointerAddress(heap_, addr),
kStoreBufferFullEvent);
}
}
}
void StoreBuffer::ClearDeadObject(HeapObject* object) {
Address& map_field = Memory::Address_at(object->address());
if (heap_->map_space()->Contains(map_field)) {
map_field = NULL;
}
}
} } // namespace v8::internal
#endif // V8_STORE_BUFFER_INL_H_
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