array.h revision 8c19d2431f45861ca11cf5ebc4fdaf10200f2458
12dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers/* 22dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * Copyright (C) 2011 The Android Open Source Project 32dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * 42dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * Licensed under the Apache License, Version 2.0 (the "License"); 52dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * you may not use this file except in compliance with the License. 62dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * You may obtain a copy of the License at 72dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * 82dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * http://www.apache.org/licenses/LICENSE-2.0 92dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * 102dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * Unless required by applicable law or agreed to in writing, software 112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * distributed under the License is distributed on an "AS IS" BASIS, 122dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * See the License for the specific language governing permissions and 142dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers * limitations under the License. 152dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers */ 162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 17fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#ifndef ART_RUNTIME_MIRROR_ARRAY_H_ 18fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#define ART_RUNTIME_MIRROR_ARRAY_H_ 192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 20542451cc546779f5c67840e105c51205a1b0a8fdAndreas Gampe#include "base/enums.h" 2194f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi#include "gc_root.h" 22b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers#include "gc/allocator_type.h" 231a5337fff2cc6cb9d563c8b32aca75f485d23373Mathieu Chartier#include "obj_ptr.h" 242dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "object.h" 2583c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier#include "object_callbacks.h" 262dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersnamespace art { 28b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers 29eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartiertemplate<class T> class Handle; 30b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers 312dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersnamespace mirror { 322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 332dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersclass MANAGED Array : public Object { 342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers public: 3598d1cc8033251c93786e2fa8c59a2e555a9493beMingyao Yang // The size of a java.lang.Class representing an array. 36542451cc546779f5c67840e105c51205a1b0a8fdAndreas Gampe static uint32_t ClassSize(PointerSize pointer_size); 3798d1cc8033251c93786e2fa8c59a2e555a9493beMingyao Yang 38f0edfc355893d53d1104b05501c99ad5ccf305c4Hiroshi Yamauchi // Allocates an array with the given properties, if kFillUsable is true the array will be of at 396fac447555dc94a935b78198479cce645c837b89Ian Rogers // least component_count size, however, if there's usable space at the end of the allocation the 406fac447555dc94a935b78198479cce645c837b89Ian Rogers // array will fill it. 41f0edfc355893d53d1104b05501c99ad5ccf305c4Hiroshi Yamauchi template <bool kIsInstrumented, bool kFillUsable = false> 4231e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier ALWAYS_INLINE static Array* Alloc(Thread* self, 4331e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier ObjPtr<Class> array_class, 4431e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier int32_t component_count, 4531e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier size_t component_size_shift, 4631e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier gc::AllocatorType allocator_type) 4731e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier REQUIRES_SHARED(Locks::mutator_lock_) 4831e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier REQUIRES(!Roles::uninterruptible_); 492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 5031e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier static Array* CreateMultiArray(Thread* self, 5131e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier Handle<Class> element_class, 520cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier Handle<IntArray> dimensions) 5331e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier REQUIRES_SHARED(Locks::mutator_lock_) 5431e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier REQUIRES(!Roles::uninterruptible_); 552dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 566e83c172f385cb45dd13bbcf41d2df8e410828c6Hiroshi Yamauchi template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, 576e83c172f385cb45dd13bbcf41d2df8e410828c6Hiroshi Yamauchi ReadBarrierOption kReadBarrierOption = kWithReadBarrier> 58bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe size_t SizeOf() REQUIRES_SHARED(Locks::mutator_lock_); 594e30541a92381fb280cd0be9a1763b713ee4d64cMathieu Chartier template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> 60bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe ALWAYS_INLINE int32_t GetLength() REQUIRES_SHARED(Locks::mutator_lock_) { 61b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers return GetField32<kVerifyFlags>(OFFSET_OF_OBJECT_MEMBER(Array, length_)); 622dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers } 632dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 64bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe void SetLength(int32_t length) REQUIRES_SHARED(Locks::mutator_lock_) { 65c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier DCHECK_GE(length, 0); 66d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // We use non transactional version since we can't undo this write. We also disable checking 67d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // since it would fail during a transaction. 68b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers SetField32<false, false, kVerifyNone>(OFFSET_OF_OBJECT_MEMBER(Array, length_), length); 692dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers } 702dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 712dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static MemberOffset LengthOffset() { 722dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return OFFSET_OF_OBJECT_MEMBER(Array, length_); 732dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers } 742dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 757e70b002c4552347ed1af8c002a0e13f08864f20Ian Rogers static MemberOffset DataOffset(size_t component_size); 762dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 77ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers void* GetRawData(size_t component_size, int32_t index) 78bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_) { 79ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers intptr_t data = reinterpret_cast<intptr_t>(this) + DataOffset(component_size).Int32Value() + 80ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers + (index * component_size); 812dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return reinterpret_cast<void*>(data); 822dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers } 832dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 84ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const void* GetRawData(size_t component_size, int32_t index) const { 85ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers intptr_t data = reinterpret_cast<intptr_t>(this) + DataOffset(component_size).Int32Value() + 86ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers + (index * component_size); 87ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers return reinterpret_cast<void*>(data); 882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers } 892dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 90abff6439db28fbbed95490bfff7e24d1fdf5b771Sebastien Hertz // Returns true if the index is valid. If not, throws an ArrayIndexOutOfBoundsException and 91abff6439db28fbbed95490bfff7e24d1fdf5b771Sebastien Hertz // returns false. 924e30541a92381fb280cd0be9a1763b713ee4d64cMathieu Chartier template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> 93bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe ALWAYS_INLINE bool CheckIsValidIndex(int32_t index) REQUIRES_SHARED(Locks::mutator_lock_); 942dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 95bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe Array* CopyOf(Thread* self, int32_t new_length) REQUIRES_SHARED(Locks::mutator_lock_) 964e2cb098017bf073335ebb02b1bc0a36828cd720Mathieu Chartier REQUIRES(!Roles::uninterruptible_); 97e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier 982dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers protected: 991a5337fff2cc6cb9d563c8b32aca75f485d23373Mathieu Chartier void ThrowArrayStoreException(ObjPtr<Object> object) REQUIRES_SHARED(Locks::mutator_lock_) 100ed8990a467f3d93545221a33e43a9d34b1cc363fMathieu Chartier REQUIRES(!Roles::uninterruptible_); 1012dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 1022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers private: 103ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers void ThrowArrayIndexOutOfBoundsException(int32_t index) 104bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_); 105abff6439db28fbbed95490bfff7e24d1fdf5b771Sebastien Hertz 1062dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers // The number of array elements. 1072dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers int32_t length_; 1082dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers // Marker for the data (used by generated code) 1092dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers uint32_t first_element_[0]; 1102dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 1112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers DISALLOW_IMPLICIT_CONSTRUCTORS(Array); 1122dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers}; 1132dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 114b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogerstemplate<typename T> 1152dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersclass MANAGED PrimitiveArray : public Array { 1162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers public: 1172dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers typedef T ElementType; 1182dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 1192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static PrimitiveArray<T>* Alloc(Thread* self, size_t length) 120bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_); 1212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 122440b5d9bffafa46366f58599414e0cff35ea3a6aAlex Light static PrimitiveArray<T>* AllocateAndFill(Thread* self, const T* data, size_t length) 123440b5d9bffafa46366f58599414e0cff35ea3a6aAlex Light REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_); 124440b5d9bffafa46366f58599414e0cff35ea3a6aAlex Light 125440b5d9bffafa46366f58599414e0cff35ea3a6aAlex Light 126bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe const T* GetData() const ALWAYS_INLINE REQUIRES_SHARED(Locks::mutator_lock_) { 127ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers return reinterpret_cast<const T*>(GetRawData(sizeof(T), 0)); 1282dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers } 1292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 130bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe T* GetData() ALWAYS_INLINE REQUIRES_SHARED(Locks::mutator_lock_) { 131ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers return reinterpret_cast<T*>(GetRawData(sizeof(T), 0)); 1322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers } 1332dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 134bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe T Get(int32_t i) ALWAYS_INLINE REQUIRES_SHARED(Locks::mutator_lock_); 135abff6439db28fbbed95490bfff7e24d1fdf5b771Sebastien Hertz 136bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe T GetWithoutChecks(int32_t i) ALWAYS_INLINE REQUIRES_SHARED(Locks::mutator_lock_) { 1370d5a281c671444bfa75d63caf1427a8c0e6e1177Roland Levillain DCHECK(CheckIsValidIndex(i)) << "i=" << i << " length=" << GetLength(); 1382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return GetData()[i]; 1392dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers } 1402dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 141bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe void Set(int32_t i, T value) ALWAYS_INLINE REQUIRES_SHARED(Locks::mutator_lock_); 142d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz 143d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO fix thread safety analysis broken by the use of template. This should be 144bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe // REQUIRES_SHARED(Locks::mutator_lock_). 145d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz template<bool kTransactionActive, bool kCheckTransaction = true> 146b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers void Set(int32_t i, T value) ALWAYS_INLINE NO_THREAD_SAFETY_ANALYSIS; 1472dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 148d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO fix thread safety analysis broken by the use of template. This should be 149bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe // REQUIRES_SHARED(Locks::mutator_lock_). 1503b45ef277e4a5f7e0314d5df7ef82e480156ba75Andreas Gampe template<bool kTransactionActive, 1513b45ef277e4a5f7e0314d5df7ef82e480156ba75Andreas Gampe bool kCheckTransaction = true, 1523b45ef277e4a5f7e0314d5df7ef82e480156ba75Andreas Gampe VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> 153b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers void SetWithoutChecks(int32_t i, T value) ALWAYS_INLINE NO_THREAD_SAFETY_ANALYSIS; 154abff6439db28fbbed95490bfff7e24d1fdf5b771Sebastien Hertz 155ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers /* 156ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers * Works like memmove(), except we guarantee not to allow tearing of array values (ie using 157ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers * smaller than element size copies). Arguments are assumed to be within the bounds of the array 158ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers * and the arrays non-null. 159ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers */ 16031e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier void Memmove(int32_t dst_pos, ObjPtr<PrimitiveArray<T>> src, int32_t src_pos, int32_t count) 161bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_); 162ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers 163ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers /* 164ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers * Works like memcpy(), except we guarantee not to allow tearing of array values (ie using 165ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers * smaller than element size copies). Arguments are assumed to be within the bounds of the array 166ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers * and the arrays non-null. 167ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers */ 16831e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier void Memcpy(int32_t dst_pos, ObjPtr<PrimitiveArray<T>> src, int32_t src_pos, int32_t count) 169bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_); 170ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers 17131e88225b2ef68e7f32f11186acf922c74ddababMathieu Chartier static void SetArrayClass(ObjPtr<Class> array_class); 1722dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 173d6636d3440efc68e1fa43f437ffbe77581096399Mathieu Chartier template <ReadBarrierOption kReadBarrierOption = kWithReadBarrier> 174bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe static Class* GetArrayClass() REQUIRES_SHARED(Locks::mutator_lock_) { 17594f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi DCHECK(!array_class_.IsNull()); 176d6636d3440efc68e1fa43f437ffbe77581096399Mathieu Chartier return array_class_.Read<kReadBarrierOption>(); 1772d10b206f9d0b97396b7dadb9a6415cd39efd341Ian Rogers } 1782d10b206f9d0b97396b7dadb9a6415cd39efd341Ian Rogers 1792dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static void ResetArrayClass() { 18094f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi CHECK(!array_class_.IsNull()); 18194f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi array_class_ = GcRoot<Class>(nullptr); 1822dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers } 1832dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 184bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe static void VisitRoots(RootVisitor* visitor) REQUIRES_SHARED(Locks::mutator_lock_); 185c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier 1862dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers private: 18794f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi static GcRoot<Class> array_class_; 1882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 1892dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers DISALLOW_IMPLICIT_CONSTRUCTORS(PrimitiveArray); 1902dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers}; 1912dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 192e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier// Either an IntArray or a LongArray. 193e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartierclass PointerArray : public Array { 194e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier public: 195dfe02f6aafee264478d510b9742ee266ea52e8a8Mathieu Chartier template<typename T, 196dfe02f6aafee264478d510b9742ee266ea52e8a8Mathieu Chartier VerifyObjectFlags kVerifyFlags = kVerifyNone, 197dfe02f6aafee264478d510b9742ee266ea52e8a8Mathieu Chartier ReadBarrierOption kReadBarrierOption = kWithReadBarrier> 198542451cc546779f5c67840e105c51205a1b0a8fdAndreas Gampe T GetElementPtrSize(uint32_t idx, PointerSize ptr_size) 199bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_); 200e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier 2018c19d2431f45861ca11cf5ebc4fdaf10200f2458Mathieu Chartier void** ElementAddress(size_t index, PointerSize ptr_size) REQUIRES_SHARED(Locks::mutator_lock_) { 2028c19d2431f45861ca11cf5ebc4fdaf10200f2458Mathieu Chartier DCHECK_LT(index, static_cast<size_t>(GetLength())); 2038c19d2431f45861ca11cf5ebc4fdaf10200f2458Mathieu Chartier return reinterpret_cast<void**>(reinterpret_cast<uint8_t*>(this) + 2048c19d2431f45861ca11cf5ebc4fdaf10200f2458Mathieu Chartier Array::DataOffset(static_cast<size_t>(ptr_size)).Uint32Value() + 2058c19d2431f45861ca11cf5ebc4fdaf10200f2458Mathieu Chartier static_cast<size_t>(ptr_size) * index); 2068c19d2431f45861ca11cf5ebc4fdaf10200f2458Mathieu Chartier } 2078c19d2431f45861ca11cf5ebc4fdaf10200f2458Mathieu Chartier 208d329a3b6a77148839171132eb779577fe4b16cddMathieu Chartier template<bool kTransactionActive = false, bool kUnchecked = false> 209542451cc546779f5c67840e105c51205a1b0a8fdAndreas Gampe void SetElementPtrSize(uint32_t idx, uint64_t element, PointerSize ptr_size) 210bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_); 211e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier template<bool kTransactionActive = false, bool kUnchecked = false, typename T> 212542451cc546779f5c67840e105c51205a1b0a8fdAndreas Gampe void SetElementPtrSize(uint32_t idx, T* element, PointerSize ptr_size) 213bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_); 2144b00d3415beb7a816a3b5948f43f3b2e4b856ea8Mathieu Chartier 2154b00d3415beb7a816a3b5948f43f3b2e4b856ea8Mathieu Chartier // Fixup the pointers in the dest arrays by passing our pointers through the visitor. Only copies 2164b00d3415beb7a816a3b5948f43f3b2e4b856ea8Mathieu Chartier // to dest if visitor(source_ptr) != source_ptr. 217dfe02f6aafee264478d510b9742ee266ea52e8a8Mathieu Chartier template <VerifyObjectFlags kVerifyFlags = kVerifyNone, 218dfe02f6aafee264478d510b9742ee266ea52e8a8Mathieu Chartier ReadBarrierOption kReadBarrierOption = kWithReadBarrier, 219dfe02f6aafee264478d510b9742ee266ea52e8a8Mathieu Chartier typename Visitor> 220542451cc546779f5c67840e105c51205a1b0a8fdAndreas Gampe void Fixup(mirror::PointerArray* dest, PointerSize pointer_size, const Visitor& visitor) 221bdf7f1c3ab65ccb70f62db5ab31dba060632d458Andreas Gampe REQUIRES_SHARED(Locks::mutator_lock_); 222a01de59eef990c07df9815376cd3c675e3acd481Alex Light 223a01de59eef990c07df9815376cd3c675e3acd481Alex Light // Works like memcpy(), except we guarantee not to allow tearing of array values (ie using smaller 224a01de59eef990c07df9815376cd3c675e3acd481Alex Light // than element size copies). Arguments are assumed to be within the bounds of the array and the 225a01de59eef990c07df9815376cd3c675e3acd481Alex Light // arrays non-null. Cannot be called in an active transaction. 226a01de59eef990c07df9815376cd3c675e3acd481Alex Light template<bool kUnchecked = false> 227a01de59eef990c07df9815376cd3c675e3acd481Alex Light void Memcpy(int32_t dst_pos, 228a01de59eef990c07df9815376cd3c675e3acd481Alex Light ObjPtr<PointerArray> src, 229a01de59eef990c07df9815376cd3c675e3acd481Alex Light int32_t src_pos, 230a01de59eef990c07df9815376cd3c675e3acd481Alex Light int32_t count, 231a01de59eef990c07df9815376cd3c675e3acd481Alex Light PointerSize pointer_size) 232a01de59eef990c07df9815376cd3c675e3acd481Alex Light REQUIRES_SHARED(Locks::mutator_lock_); 233e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier}; 234e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier 2352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers} // namespace mirror 2362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers} // namespace art 2372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 238fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#endif // ART_RUNTIME_MIRROR_ARRAY_H_ 239