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/*
* Copyright (C) 2013 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_ROSALLOC_SPACE_INL_H_
#define ART_RUNTIME_GC_SPACE_ROSALLOC_SPACE_INL_H_
#include "gc/allocator/rosalloc-inl.h"
#include "gc/space/valgrind_settings.h"
#include "rosalloc_space.h"
#include "thread.h"
namespace art {
namespace gc {
namespace space {
template<bool kMaybeRunningOnValgrind>
inline size_t RosAllocSpace::AllocationSizeNonvirtual(mirror::Object* obj, size_t* usable_size) {
// obj is a valid object. Use its class in the header to get the size.
// Don't use verification since the object may be dead if we are sweeping.
size_t size = obj->SizeOf<kVerifyNone>();
bool running_on_valgrind = false;
if (kMaybeRunningOnValgrind) {
running_on_valgrind = RUNNING_ON_VALGRIND != 0;
if (running_on_valgrind) {
size += 2 * kDefaultValgrindRedZoneBytes;
}
} else {
DCHECK_EQ(RUNNING_ON_VALGRIND, 0U);
}
size_t size_by_size = rosalloc_->UsableSize(size);
if (kIsDebugBuild) {
// On valgrind, the red zone has an impact...
const uint8_t* obj_ptr = reinterpret_cast<const uint8_t*>(obj);
size_t size_by_ptr = rosalloc_->UsableSize(
obj_ptr - (running_on_valgrind ? kDefaultValgrindRedZoneBytes : 0));
if (size_by_size != size_by_ptr) {
LOG(INFO) << "Found a bad sized obj of size " << size
<< " at " << std::hex << reinterpret_cast<intptr_t>(obj_ptr) << std::dec
<< " size_by_size=" << size_by_size << " size_by_ptr=" << size_by_ptr;
}
DCHECK_EQ(size_by_size, size_by_ptr);
}
if (usable_size != nullptr) {
*usable_size = size_by_size;
}
return size_by_size;
}
template<bool kThreadSafe>
inline mirror::Object* RosAllocSpace::AllocCommon(Thread* self, size_t num_bytes,
size_t* bytes_allocated, size_t* usable_size,
size_t* bytes_tl_bulk_allocated) {
size_t rosalloc_bytes_allocated = 0;
size_t rosalloc_usable_size = 0;
size_t rosalloc_bytes_tl_bulk_allocated = 0;
if (!kThreadSafe) {
Locks::mutator_lock_->AssertExclusiveHeld(self);
}
mirror::Object* result = reinterpret_cast<mirror::Object*>(
rosalloc_->Alloc<kThreadSafe>(self, num_bytes, &rosalloc_bytes_allocated,
&rosalloc_usable_size,
&rosalloc_bytes_tl_bulk_allocated));
if (LIKELY(result != NULL)) {
if (kDebugSpaces) {
CHECK(Contains(result)) << "Allocation (" << reinterpret_cast<void*>(result)
<< ") not in bounds of allocation space " << *this;
}
DCHECK(bytes_allocated != NULL);
*bytes_allocated = rosalloc_bytes_allocated;
DCHECK_EQ(rosalloc_usable_size, rosalloc_->UsableSize(result));
if (usable_size != nullptr) {
*usable_size = rosalloc_usable_size;
}
DCHECK(bytes_tl_bulk_allocated != NULL);
*bytes_tl_bulk_allocated = rosalloc_bytes_tl_bulk_allocated;
}
return result;
}
inline bool RosAllocSpace::CanAllocThreadLocal(Thread* self, size_t num_bytes) {
return rosalloc_->CanAllocFromThreadLocalRun(self, num_bytes);
}
inline mirror::Object* RosAllocSpace::AllocThreadLocal(Thread* self, size_t num_bytes,
size_t* bytes_allocated) {
DCHECK(bytes_allocated != nullptr);
return reinterpret_cast<mirror::Object*>(
rosalloc_->AllocFromThreadLocalRun(self, num_bytes, bytes_allocated));
}
inline size_t RosAllocSpace::MaxBytesBulkAllocatedForNonvirtual(size_t num_bytes) {
return rosalloc_->MaxBytesBulkAllocatedFor(num_bytes);
}
} // namespace space
} // namespace gc
} // namespace art
#endif // ART_RUNTIME_GC_SPACE_ROSALLOC_SPACE_INL_H_
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