1 /* 2 * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "classfile/systemDictionary.hpp" 27 #include "compiler/compilerOracle.hpp" 28 #include "interpreter/bytecode.hpp" 29 #include "interpreter/bytecodeStream.hpp" 30 #include "interpreter/linkResolver.hpp" 31 #include "memory/heapInspection.hpp" 32 #include "memory/metaspaceClosure.hpp" 33 #include "memory/resourceArea.hpp" 34 #include "oops/methodData.hpp" 35 #include "prims/jvmtiRedefineClasses.hpp" 36 #include "runtime/arguments.hpp" 37 #include "runtime/compilationPolicy.hpp" 38 #include "runtime/deoptimization.hpp" 39 #include "runtime/handles.inline.hpp" 40 #include "runtime/orderAccess.inline.hpp" 41 #include "utilities/align.hpp" 42 #include "utilities/copy.hpp" 43 44 // ================================================================== 45 // DataLayout 46 // 47 // Overlay for generic profiling data. 48 49 // Some types of data layouts need a length field. 50 bool DataLayout::needs_array_len(u1 tag) { 51 return (tag == multi_branch_data_tag) || (tag == arg_info_data_tag) || (tag == parameters_type_data_tag); 52 } 53 54 // Perform generic initialization of the data. More specific | 1 /* 2 * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "classfile/systemDictionary.hpp" 27 #include "compiler/compilerOracle.hpp" 28 #include "interpreter/bytecode.hpp" 29 #include "interpreter/bytecodeStream.hpp" 30 #include "interpreter/linkResolver.hpp" 31 #include "memory/heapInspection.hpp" 32 #include "memory/metaspaceClosure.hpp" 33 #include "memory/resourceArea.hpp" 34 #include "oops/methodData.inline.hpp" 35 #include "prims/jvmtiRedefineClasses.hpp" 36 #include "runtime/arguments.hpp" 37 #include "runtime/compilationPolicy.hpp" 38 #include "runtime/deoptimization.hpp" 39 #include "runtime/handles.inline.hpp" 40 #include "runtime/orderAccess.inline.hpp" 41 #include "utilities/align.hpp" 42 #include "utilities/copy.hpp" 43 44 // ================================================================== 45 // DataLayout 46 // 47 // Overlay for generic profiling data. 48 49 // Some types of data layouts need a length field. 50 bool DataLayout::needs_array_len(u1 tag) { 51 return (tag == multi_branch_data_tag) || (tag == arg_info_data_tag) || (tag == parameters_type_data_tag); 52 } 53 54 // Perform generic initialization of the data. More specific |