17ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes/* 27ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * Copyright (C) 2010 The Android Open Source Project 37ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * 47ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * Licensed under the Apache License, Version 2.0 (the "License"); 57ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * you may not use this file except in compliance with the License. 67ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * You may obtain a copy of the License at 77ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * 87ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * http://www.apache.org/licenses/LICENSE-2.0 97ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * 107ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * Unless required by applicable law or agreed to in writing, software 117ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * distributed under the License is distributed on an "AS IS" BASIS, 127ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * See the License for the specific language governing permissions and 147ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * limitations under the License. 157ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes */ 167ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes 17375fb116bcb817b37509ab579dbd55cdbb765cbfCarl Shapiro#ifndef DALVIK_ALLOC_WRITEBARRIER_H_ 18375fb116bcb817b37509ab579dbd55cdbb765cbfCarl Shapiro#define DALVIK_ALLOC_WRITEBARRIER_H_ 1944dcf29d18f819b4b9d78d4d81676681b57f44ceCarl Shapiro 207ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes/* 217ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * Note writes to the heap. These functions must be called if a field 227ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * of an Object in the heap changes, and before any GC safe-point. The 237ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * call is not needed if NULL is stored in the field. 247ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes */ 257ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes 267ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes/* 277ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * The address within the Object has been written, and perhaps changed. 287ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes */ 296e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry HayesINLINE void dvmWriteBarrierField(const Object *obj, void *addr) 306e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry Hayes{ 316e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry Hayes dvmMarkCard(obj); 327ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes} 337ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes 347ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes/* 357ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * All of the Object may have changed. 367ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes */ 376e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry HayesINLINE void dvmWriteBarrierObject(const Object *obj) 386e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry Hayes{ 396e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry Hayes dvmMarkCard(obj); 407ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes} 417ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes 427ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes/* 437ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * Some or perhaps all of the array indexes in the Array, greater than 447ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * or equal to start and strictly less than end, have been written, 457ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes * and perhaps changed. 467ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes */ 476e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry HayesINLINE void dvmWriteBarrierArray(const ArrayObject *obj, 486e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry Hayes size_t start, size_t end) 496e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry Hayes{ 506e5cf6021b2f3e00e18ab402f23ab93b27c6061bBarry Hayes dvmMarkCard((Object *)obj); 517ef0755c91caeea2cc89d886e566e71dc626abedBarry Hayes} 5244dcf29d18f819b4b9d78d4d81676681b57f44ceCarl Shapiro 53375fb116bcb817b37509ab579dbd55cdbb765cbfCarl Shapiro#endif // DALVIK_ALLOC_WRITEBARRIER_H_ 54