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
AllocationSizeNonvirtual(mirror::Object * obj,size_t * usable_size)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>
AllocCommon(Thread * self,size_t num_bytes,size_t * bytes_allocated,size_t * usable_size)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