| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #include "entrypoints/quick/quick_alloc_entrypoints.h" |
| |
| #include "callee_save_frame.h" |
| #include "entrypoints/entrypoint_utils-inl.h" |
| #include "mirror/art_method-inl.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/object_array-inl.h" |
| #include "mirror/object-inl.h" |
| |
| namespace art { |
| |
| static constexpr bool kUseTlabFastPath = true; |
| |
| #define GENERATE_ENTRYPOINTS_FOR_ALLOCATOR_INST(suffix, suffix2, instrumented_bool, allocator_type) \ |
| extern "C" mirror::Object* artAllocObjectFromCode ##suffix##suffix2( \ |
| uint32_t type_idx, mirror::ArtMethod* method, Thread* self, \ |
| StackReference<mirror::ArtMethod>* sp) \ |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { \ |
| ScopedQuickEntrypointChecks sqec(self); \ |
| if (kUseTlabFastPath && !instrumented_bool && allocator_type == gc::kAllocatorTypeTLAB) { \ |
| mirror::Class* klass = method->GetDexCacheResolvedType<false>(type_idx); \ |
| if (LIKELY(klass != nullptr && klass->IsInitialized() && !klass->IsFinalizable())) { \ |
| size_t byte_count = klass->GetObjectSize(); \ |
| byte_count = RoundUp(byte_count, gc::space::BumpPointerSpace::kAlignment); \ |
| mirror::Object* obj; \ |
| if (LIKELY(byte_count < self->TlabSize())) { \ |
| obj = self->AllocTlab(byte_count); \ |
| DCHECK(obj != nullptr) << "AllocTlab can't fail"; \ |
| obj->SetClass(klass); \ |
| if (kUseBakerOrBrooksReadBarrier) { \ |
| if (kUseBrooksReadBarrier) { \ |
| obj->SetReadBarrierPointer(obj); \ |
| } \ |
| obj->AssertReadBarrierPointer(); \ |
| } \ |
| QuasiAtomic::ThreadFenceForConstructor(); \ |
| return obj; \ |
| } \ |
| } \ |
| } \ |
| return AllocObjectFromCode<false, instrumented_bool>(type_idx, method, self, allocator_type); \ |
| } \ |
| extern "C" mirror::Object* artAllocObjectFromCodeResolved##suffix##suffix2( \ |
| mirror::Class* klass, mirror::ArtMethod* method, Thread* self) \ |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { \ |
| ScopedQuickEntrypointChecks sqec(self); \ |
| if (kUseTlabFastPath && !instrumented_bool && allocator_type == gc::kAllocatorTypeTLAB) { \ |
| if (LIKELY(klass->IsInitialized())) { \ |
| size_t byte_count = klass->GetObjectSize(); \ |
| byte_count = RoundUp(byte_count, gc::space::BumpPointerSpace::kAlignment); \ |
| mirror::Object* obj; \ |
| if (LIKELY(byte_count < self->TlabSize())) { \ |
| obj = self->AllocTlab(byte_count); \ |
| DCHECK(obj != nullptr) << "AllocTlab can't fail"; \ |
| obj->SetClass(klass); \ |
| if (kUseBakerOrBrooksReadBarrier) { \ |
| if (kUseBrooksReadBarrier) { \ |
| obj->SetReadBarrierPointer(obj); \ |
| } \ |
| obj->AssertReadBarrierPointer(); \ |
| } \ |
| QuasiAtomic::ThreadFenceForConstructor(); \ |
| return obj; \ |
| } \ |
| } \ |
| } \ |
| return AllocObjectFromCodeResolved<instrumented_bool>(klass, method, self, allocator_type); \ |
| } \ |
| extern "C" mirror::Object* artAllocObjectFromCodeInitialized##suffix##suffix2( \ |
| mirror::Class* klass, mirror::ArtMethod* method, Thread* self) \ |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { \ |
| ScopedQuickEntrypointChecks sqec(self); \ |
| if (kUseTlabFastPath && !instrumented_bool && allocator_type == gc::kAllocatorTypeTLAB) { \ |
| size_t byte_count = klass->GetObjectSize(); \ |
| byte_count = RoundUp(byte_count, gc::space::BumpPointerSpace::kAlignment); \ |
| mirror::Object* obj; \ |
| if (LIKELY(byte_count < self->TlabSize())) { \ |
| obj = self->AllocTlab(byte_count); \ |
| DCHECK(obj != nullptr) << "AllocTlab can't fail"; \ |
| obj->SetClass(klass); \ |
| if (kUseBakerOrBrooksReadBarrier) { \ |
| if (kUseBrooksReadBarrier) { \ |
| obj->SetReadBarrierPointer(obj); \ |
| } \ |
| obj->AssertReadBarrierPointer(); \ |
| } \ |
| QuasiAtomic::ThreadFenceForConstructor(); \ |
| return obj; \ |
| } \ |
| } \ |
| return AllocObjectFromCodeInitialized<instrumented_bool>(klass, method, self, allocator_type); \ |
| } \ |
| extern "C" mirror::Object* artAllocObjectFromCodeWithAccessCheck##suffix##suffix2( \ |
| uint32_t type_idx, mirror::ArtMethod* method, Thread* self) \ |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { \ |
| ScopedQuickEntrypointChecks sqec(self); \ |
| return AllocObjectFromCode<true, instrumented_bool>(type_idx, method, self, allocator_type); \ |
| } \ |
| extern "C" mirror::Array* artAllocArrayFromCode##suffix##suffix2( \ |
| uint32_t type_idx, mirror::ArtMethod* method, int32_t component_count, Thread* self) \ |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { \ |
| ScopedQuickEntrypointChecks sqec(self); \ |
| return AllocArrayFromCode<false, instrumented_bool>(type_idx, method, component_count, self, \ |
| allocator_type); \ |
| } \ |
| extern "C" mirror::Array* artAllocArrayFromCodeResolved##suffix##suffix2( \ |
| mirror::Class* klass, mirror::ArtMethod* method, int32_t component_count, Thread* self) \ |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { \ |
| ScopedQuickEntrypointChecks sqec(self); \ |
| return AllocArrayFromCodeResolved<false, instrumented_bool>(klass, method, component_count, self, \ |
| allocator_type); \ |
| } \ |
| extern "C" mirror::Array* artAllocArrayFromCodeWithAccessCheck##suffix##suffix2( \ |
| uint32_t type_idx, mirror::ArtMethod* method, int32_t component_count, Thread* self) \ |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { \ |
| ScopedQuickEntrypointChecks sqec(self); \ |
| return AllocArrayFromCode<true, instrumented_bool>(type_idx, method, component_count, self, \ |
| allocator_type); \ |
| } \ |
| extern "C" mirror::Array* artCheckAndAllocArrayFromCode##suffix##suffix2( \ |
| uint32_t type_idx, mirror::ArtMethod* method, int32_t component_count, Thread* self) \ |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { \ |
| ScopedQuickEntrypointChecks sqec(self); \ |
| if (!instrumented_bool) { \ |
| return CheckAndAllocArrayFromCode(type_idx, method, component_count, self, false, allocator_type); \ |
| } else { \ |
| return CheckAndAllocArrayFromCodeInstrumented(type_idx, method, component_count, self, false, allocator_type); \ |
| } \ |
| } \ |
| extern "C" mirror::Array* artCheckAndAllocArrayFromCodeWithAccessCheck##suffix##suffix2( \ |
| uint32_t type_idx, mirror::ArtMethod* method, int32_t component_count, Thread* self) \ |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { \ |
| ScopedQuickEntrypointChecks sqec(self); \ |
| if (!instrumented_bool) { \ |
| return CheckAndAllocArrayFromCode(type_idx, method, component_count, self, true, allocator_type); \ |
| } else { \ |
| return CheckAndAllocArrayFromCodeInstrumented(type_idx, method, component_count, self, true, allocator_type); \ |
| } \ |
| } |
| |
| #define GENERATE_ENTRYPOINTS_FOR_ALLOCATOR(suffix, allocator_type) \ |
| GENERATE_ENTRYPOINTS_FOR_ALLOCATOR_INST(suffix, Instrumented, true, allocator_type) \ |
| GENERATE_ENTRYPOINTS_FOR_ALLOCATOR_INST(suffix, , false, allocator_type) |
| |
| GENERATE_ENTRYPOINTS_FOR_ALLOCATOR(DlMalloc, gc::kAllocatorTypeDlMalloc) |
| GENERATE_ENTRYPOINTS_FOR_ALLOCATOR(RosAlloc, gc::kAllocatorTypeRosAlloc) |
| GENERATE_ENTRYPOINTS_FOR_ALLOCATOR(BumpPointer, gc::kAllocatorTypeBumpPointer) |
| GENERATE_ENTRYPOINTS_FOR_ALLOCATOR(TLAB, gc::kAllocatorTypeTLAB) |
| |
| #define GENERATE_ENTRYPOINTS(suffix) \ |
| extern "C" void* art_quick_alloc_array##suffix(uint32_t, void*, int32_t); \ |
| extern "C" void* art_quick_alloc_array_resolved##suffix(void* klass, void*, int32_t); \ |
| extern "C" void* art_quick_alloc_array_with_access_check##suffix(uint32_t, void*, int32_t); \ |
| extern "C" void* art_quick_alloc_object##suffix(uint32_t type_idx, void* method); \ |
| extern "C" void* art_quick_alloc_object_resolved##suffix(void* klass, void* method); \ |
| extern "C" void* art_quick_alloc_object_initialized##suffix(void* klass, void* method); \ |
| extern "C" void* art_quick_alloc_object_with_access_check##suffix(uint32_t type_idx, void* method); \ |
| extern "C" void* art_quick_check_and_alloc_array##suffix(uint32_t, void*, int32_t); \ |
| extern "C" void* art_quick_check_and_alloc_array_with_access_check##suffix(uint32_t, void*, int32_t); \ |
| extern "C" void* art_quick_alloc_array##suffix##_instrumented(uint32_t, void*, int32_t); \ |
| extern "C" void* art_quick_alloc_array_resolved##suffix##_instrumented(void* klass, void*, int32_t); \ |
| extern "C" void* art_quick_alloc_array_with_access_check##suffix##_instrumented(uint32_t, void*, int32_t); \ |
| extern "C" void* art_quick_alloc_object##suffix##_instrumented(uint32_t type_idx, void* method); \ |
| extern "C" void* art_quick_alloc_object_resolved##suffix##_instrumented(void* klass, void* method); \ |
| extern "C" void* art_quick_alloc_object_initialized##suffix##_instrumented(void* klass, void* method); \ |
| extern "C" void* art_quick_alloc_object_with_access_check##suffix##_instrumented(uint32_t type_idx, void* method); \ |
| extern "C" void* art_quick_check_and_alloc_array##suffix##_instrumented(uint32_t, void*, int32_t); \ |
| extern "C" void* art_quick_check_and_alloc_array_with_access_check##suffix##_instrumented(uint32_t, void*, int32_t); \ |
| void SetQuickAllocEntryPoints##suffix(QuickEntryPoints* qpoints, bool instrumented) { \ |
| if (instrumented) { \ |
| qpoints->pAllocArray = art_quick_alloc_array##suffix##_instrumented; \ |
| qpoints->pAllocArrayResolved = art_quick_alloc_array_resolved##suffix##_instrumented; \ |
| qpoints->pAllocArrayWithAccessCheck = art_quick_alloc_array_with_access_check##suffix##_instrumented; \ |
| qpoints->pAllocObject = art_quick_alloc_object##suffix##_instrumented; \ |
| qpoints->pAllocObjectResolved = art_quick_alloc_object_resolved##suffix##_instrumented; \ |
| qpoints->pAllocObjectInitialized = art_quick_alloc_object_initialized##suffix##_instrumented; \ |
| qpoints->pAllocObjectWithAccessCheck = art_quick_alloc_object_with_access_check##suffix##_instrumented; \ |
| qpoints->pCheckAndAllocArray = art_quick_check_and_alloc_array##suffix##_instrumented; \ |
| qpoints->pCheckAndAllocArrayWithAccessCheck = art_quick_check_and_alloc_array_with_access_check##suffix##_instrumented; \ |
| } else { \ |
| qpoints->pAllocArray = art_quick_alloc_array##suffix; \ |
| qpoints->pAllocArrayResolved = art_quick_alloc_array_resolved##suffix; \ |
| qpoints->pAllocArrayWithAccessCheck = art_quick_alloc_array_with_access_check##suffix; \ |
| qpoints->pAllocObject = art_quick_alloc_object##suffix; \ |
| qpoints->pAllocObjectResolved = art_quick_alloc_object_resolved##suffix; \ |
| qpoints->pAllocObjectInitialized = art_quick_alloc_object_initialized##suffix; \ |
| qpoints->pAllocObjectWithAccessCheck = art_quick_alloc_object_with_access_check##suffix; \ |
| qpoints->pCheckAndAllocArray = art_quick_check_and_alloc_array##suffix; \ |
| qpoints->pCheckAndAllocArrayWithAccessCheck = art_quick_check_and_alloc_array_with_access_check##suffix; \ |
| } \ |
| } |
| |
| // Generate the entrypoint functions. |
| #if !defined(__APPLE__) || !defined(__LP64__) |
| GENERATE_ENTRYPOINTS(_dlmalloc) |
| GENERATE_ENTRYPOINTS(_rosalloc) |
| GENERATE_ENTRYPOINTS(_bump_pointer) |
| GENERATE_ENTRYPOINTS(_tlab) |
| #endif |
| |
| static bool entry_points_instrumented = false; |
| static gc::AllocatorType entry_points_allocator = gc::kAllocatorTypeDlMalloc; |
| |
| void SetQuickAllocEntryPointsAllocator(gc::AllocatorType allocator) { |
| entry_points_allocator = allocator; |
| } |
| |
| void SetQuickAllocEntryPointsInstrumented(bool instrumented) { |
| entry_points_instrumented = instrumented; |
| } |
| |
| void ResetQuickAllocEntryPoints(QuickEntryPoints* qpoints) { |
| switch (entry_points_allocator) { |
| #if !defined(__APPLE__) || !defined(__LP64__) |
| case gc::kAllocatorTypeDlMalloc: { |
| SetQuickAllocEntryPoints_dlmalloc(qpoints, entry_points_instrumented); |
| break; |
| } |
| case gc::kAllocatorTypeRosAlloc: { |
| SetQuickAllocEntryPoints_rosalloc(qpoints, entry_points_instrumented); |
| break; |
| } |
| case gc::kAllocatorTypeBumpPointer: { |
| CHECK(kMovingCollector); |
| SetQuickAllocEntryPoints_bump_pointer(qpoints, entry_points_instrumented); |
| break; |
| } |
| case gc::kAllocatorTypeTLAB: { |
| CHECK(kMovingCollector); |
| SetQuickAllocEntryPoints_tlab(qpoints, entry_points_instrumented); |
| break; |
| } |
| #endif |
| default: { |
| UNIMPLEMENTED(FATAL); |
| UNREACHABLE(); |
| } |
| } |
| } |
| |
| } // namespace art |