mirror of
https://github.com/openharmony/ark_runtime_core.git
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wanyanglan
14c9021696
Signed-off-by: wanyanglan <wanyanglan1@huawei.com> Change-Id: I2564094cef9c6c41263e37faf9ffbbec14223dc7
84 lines
3.1 KiB
C++
84 lines
3.1 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "pool_map.h"
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namespace panda {
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void PoolMap::AddPoolToMap(const void *pool_addr, size_t pool_size, SpaceType space_type, AllocatorType allocator_type,
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const void *allocator_addr)
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{
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ASSERT(ToUintPtr(pool_addr) % POOL_MAP_GRANULARITY == 0);
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ASSERT(pool_size % POOL_MAP_GRANULARITY == 0);
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ASSERT(allocator_addr != nullptr);
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size_t first_map_num = AddrToMapNum(pool_addr);
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size_t last_map_num = AddrToMapNum(ToVoidPtr(ToUintPtr(pool_addr) + pool_size - 1U));
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pool_map_[first_map_num].Initialize(FIRST_BYTE_IN_SEGMENT_VALUE, space_type, allocator_type, allocator_addr);
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for (size_t i = first_map_num + 1U; i <= last_map_num; i++) {
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pool_map_[i].Initialize(!FIRST_BYTE_IN_SEGMENT_VALUE, space_type, allocator_type, allocator_addr);
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}
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}
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void PoolMap::RemovePoolFromMap(void *pool_addr, size_t pool_size)
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{
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ASSERT(ToUintPtr(pool_addr) % POOL_MAP_GRANULARITY == 0);
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ASSERT(pool_size % POOL_MAP_GRANULARITY == 0);
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size_t first_map_num = AddrToMapNum(pool_addr);
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size_t last_map_num = AddrToMapNum(ToVoidPtr(ToUintPtr(pool_addr) + pool_size - 1U));
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for (size_t i = first_map_num; i <= last_map_num; i++) {
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pool_map_[i].Destroy();
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}
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}
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AllocatorInfo PoolMap::GetAllocatorInfo(const void *addr) const
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{
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size_t map_num = AddrToMapNum(addr);
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AllocatorType allocator_type = pool_map_[map_num].GetAllocatorType();
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const void *allocator_addr = pool_map_[map_num].GetAllocatorAddr();
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// We can't get allocator info for not properly initialized pools
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ASSERT(allocator_type != AllocatorType::UNDEFINED);
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ASSERT(allocator_addr != nullptr);
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return AllocatorInfo(allocator_type, allocator_addr);
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}
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SpaceType PoolMap::GetSpaceType(const void *addr) const
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{
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if (ToUintPtr(addr) > (POOL_MAP_COVERAGE - 1U)) {
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return SpaceType::SPACE_TYPE_UNDEFINED;
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}
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size_t map_num = AddrToMapNum(addr);
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SpaceType space_type = pool_map_[map_num].GetSpaceType();
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// We can't get space type for not properly initialized pools
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ASSERT(space_type != SpaceType::SPACE_TYPE_UNDEFINED);
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return space_type;
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}
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void *PoolMap::GetFirstByteOfPoolForAddr(const void *addr)
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{
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return GetFirstByteInSegment(addr);
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}
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void *PoolMap::GetFirstByteInSegment(const void *addr)
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{
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size_t current_map_num = AddrToMapNum(addr);
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while (!pool_map_[current_map_num].IsFirstByteInSegment()) {
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ASSERT(current_map_num != 0);
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current_map_num--;
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}
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return MapNumToAddr(current_map_num);
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}
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} // namespace panda
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