1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_RUNTIME_GC_SPACE_ROSALLOC_SPACE_INL_H_ 18 #define ART_RUNTIME_GC_SPACE_ROSALLOC_SPACE_INL_H_ 19 20 #include "gc/allocator/rosalloc-inl.h" 21 #include "rosalloc_space.h" 22 #include "thread.h" 23 24 namespace art { 25 namespace gc { 26 namespace space { 27 28 inline size_t RosAllocSpace::AllocationSizeNonvirtual(mirror::Object* obj, size_t* usable_size) { 29 void* obj_ptr = const_cast<void*>(reinterpret_cast<const void*>(obj)); 30 // obj is a valid object. Use its class in the header to get the size. 31 // Don't use verification since the object may be dead if we are sweeping. 32 size_t size = obj->SizeOf<kVerifyNone>(); 33 size_t size_by_size = rosalloc_->UsableSize(size); 34 if (kIsDebugBuild) { 35 size_t size_by_ptr = rosalloc_->UsableSize(obj_ptr); 36 if (size_by_size != size_by_ptr) { 37 LOG(INFO) << "Found a bad sized obj of size " << size 38 << " at " << std::hex << reinterpret_cast<intptr_t>(obj_ptr) << std::dec 39 << " size_by_size=" << size_by_size << " size_by_ptr=" << size_by_ptr; 40 } 41 DCHECK_EQ(size_by_size, size_by_ptr); 42 } 43 if (usable_size != nullptr) { 44 *usable_size = size_by_size; 45 } 46 return size_by_size; 47 } 48 49 template<bool kThreadSafe> 50 inline mirror::Object* RosAllocSpace::AllocCommon(Thread* self, size_t num_bytes, 51 size_t* bytes_allocated, size_t* usable_size) { 52 size_t rosalloc_size = 0; 53 if (!kThreadSafe) { 54 Locks::mutator_lock_->AssertExclusiveHeld(self); 55 } 56 mirror::Object* result = reinterpret_cast<mirror::Object*>( 57 rosalloc_->Alloc<kThreadSafe>(self, num_bytes, &rosalloc_size)); 58 if (LIKELY(result != NULL)) { 59 if (kDebugSpaces) { 60 CHECK(Contains(result)) << "Allocation (" << reinterpret_cast<void*>(result) 61 << ") not in bounds of allocation space " << *this; 62 } 63 DCHECK(bytes_allocated != NULL); 64 *bytes_allocated = rosalloc_size; 65 DCHECK_EQ(rosalloc_size, rosalloc_->UsableSize(result)); 66 if (usable_size != nullptr) { 67 *usable_size = rosalloc_size; 68 } 69 } 70 return result; 71 } 72 73 } // namespace space 74 } // namespace gc 75 } // namespace art 76 77 #endif // ART_RUNTIME_GC_SPACE_ROSALLOC_SPACE_INL_H_ 78