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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_RUNTIME_GC_SPACE_DLMALLOC_SPACE_INL_H_
#define ART_RUNTIME_GC_SPACE_DLMALLOC_SPACE_INL_H_
#include "dlmalloc_space.h"
#include "gc/allocator/art-dlmalloc.h"
#include "thread.h"
namespace art HIDDEN {
namespace gc {
namespace space {
inline mirror::Object* DlMallocSpace::AllocNonvirtual(Thread* self, size_t num_bytes,
size_t* bytes_allocated,
size_t* usable_size,
size_t* bytes_tl_bulk_allocated) {
mirror::Object* obj;
{
MutexLock mu(self, lock_);
obj = AllocWithoutGrowthLocked(self, num_bytes, bytes_allocated, usable_size,
bytes_tl_bulk_allocated);
}
if (LIKELY(obj != nullptr)) {
// Zero freshly allocated memory, done while not holding the space's lock.
memset(obj, 0, num_bytes);
}
return obj;
}
inline size_t DlMallocSpace::AllocationSizeNonvirtual(mirror::Object* obj, size_t* usable_size) {
void* obj_ptr = const_cast<void*>(reinterpret_cast<const void*>(obj));
size_t size = mspace_usable_size(obj_ptr);
if (usable_size != nullptr) {
*usable_size = size;
}
return size + kChunkOverhead;
}
inline mirror::Object* DlMallocSpace::AllocWithoutGrowthLocked(
Thread* /*self*/, size_t num_bytes,
size_t* bytes_allocated,
size_t* usable_size,
size_t* bytes_tl_bulk_allocated) {
mirror::Object* result = reinterpret_cast<mirror::Object*>(mspace_malloc(mspace_, num_bytes));
if (LIKELY(result != nullptr)) {
if (kDebugSpaces) {
CHECK(Contains(result)) << "Allocation (" << reinterpret_cast<void*>(result)
<< ") not in bounds of allocation space " << *this;
}
size_t allocation_size = AllocationSizeNonvirtual(result, usable_size);
DCHECK(bytes_allocated != nullptr);
*bytes_allocated = allocation_size;
*bytes_tl_bulk_allocated = allocation_size;
}
return result;
}
} // namespace space
} // namespace gc
} // namespace art
#endif // ART_RUNTIME_GC_SPACE_DLMALLOC_SPACE_INL_H_
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