1 /* 2 * Copyright (c) 1997, 2012, 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/javaClasses.hpp" 27 #include "classfile/symbolTable.hpp" 28 #include "classfile/systemDictionary.hpp" 29 #include "classfile/vmSymbols.hpp" 30 #include "gc_interface/collectedHeap.inline.hpp" 31 #include "memory/oopFactory.hpp" 32 #include "memory/resourceArea.hpp" 33 #include "memory/universe.inline.hpp" 34 #include "oops/compiledICHolderKlass.hpp" 35 #include "oops/constMethodKlass.hpp" 36 #include "oops/constantPoolKlass.hpp" 37 #include "oops/cpCacheKlass.hpp" 38 #include "oops/instanceKlass.hpp" 39 #include "oops/instanceKlassKlass.hpp" 40 #include "oops/instanceOop.hpp" 41 #include "oops/klassKlass.hpp" 42 #include "oops/klassOop.hpp" 43 #include "oops/methodDataKlass.hpp" 44 #include "oops/methodKlass.hpp" 45 #include "oops/objArrayOop.hpp" 46 #include "oops/oop.inline.hpp" 47 48 49 typeArrayOop oopFactory::new_charArray(const char* utf8_str, TRAPS) { 50 int length = utf8_str == NULL ? 0 : UTF8::unicode_length(utf8_str); 51 typeArrayOop result = new_charArray(length, CHECK_NULL); 52 if (length > 0) { 53 UTF8::convert_to_unicode(utf8_str, result->char_at_addr(0), length); 54 } 55 return result; 56 } 57 58 typeArrayOop oopFactory::new_permanent_charArray(int length, TRAPS) { 59 return typeArrayKlass::cast(Universe::charArrayKlassObj())->allocate_permanent(length, THREAD); 60 } 61 62 typeArrayOop oopFactory::new_permanent_byteArray(int length, TRAPS) { 63 return typeArrayKlass::cast(Universe::byteArrayKlassObj())->allocate_permanent(length, THREAD); 64 } 65 66 67 typeArrayOop oopFactory::new_permanent_shortArray(int length, TRAPS) { 68 return typeArrayKlass::cast(Universe::shortArrayKlassObj())->allocate_permanent(length, THREAD); 69 } 70 71 72 typeArrayOop oopFactory::new_permanent_intArray(int length, TRAPS) { 73 return typeArrayKlass::cast(Universe::intArrayKlassObj())->allocate_permanent(length, THREAD); 74 } 75 76 77 typeArrayOop oopFactory::new_typeArray(BasicType type, int length, TRAPS) { 78 klassOop type_asKlassOop = Universe::typeArrayKlassObj(type); 79 typeArrayKlass* type_asArrayKlass = typeArrayKlass::cast(type_asKlassOop); 80 typeArrayOop result = type_asArrayKlass->allocate_common(length, true, THREAD); 81 return result; 82 } 83 84 typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) { 85 klassOop type_asKlassOop = Universe::typeArrayKlassObj(type); 86 typeArrayKlass* type_asArrayKlass = typeArrayKlass::cast(type_asKlassOop); 87 typeArrayOop result = type_asArrayKlass->allocate_common(length, false, THREAD); 88 return result; 89 } 90 91 92 objArrayOop oopFactory::new_objArray(klassOop klass, int length, TRAPS) { 93 assert(klass->is_klass(), "must be instance class"); 94 if (klass->klass_part()->oop_is_array()) { 95 return ((arrayKlass*)klass->klass_part())->allocate_arrayArray(1, length, THREAD); 96 } else { 97 assert (klass->klass_part()->oop_is_instance(), "new object array with klass not an instanceKlass"); 98 return ((instanceKlass*)klass->klass_part())->allocate_objArray(1, length, THREAD); 99 } 100 } 101 102 objArrayOop oopFactory::new_system_objArray(int length, TRAPS) { 103 int size = objArrayOopDesc::object_size(length); 104 KlassHandle klass (THREAD, Universe::systemObjArrayKlassObj()); 105 objArrayOop o = (objArrayOop) 106 Universe::heap()->permanent_array_allocate(klass, size, length, CHECK_NULL); 107 // initialization not needed, allocated cleared 108 return o; 109 } 110 111 112 constantPoolOop oopFactory::new_constantPool(int length, 113 bool is_conc_safe, 114 TRAPS) { 115 constantPoolKlass* ck = constantPoolKlass::cast(Universe::constantPoolKlassObj()); 116 return ck->allocate(length, is_conc_safe, CHECK_NULL); 117 } 118 119 120 constantPoolCacheOop oopFactory::new_constantPoolCache(int length, 121 TRAPS) { 122 constantPoolCacheKlass* ck = constantPoolCacheKlass::cast(Universe::constantPoolCacheKlassObj()); 123 return ck->allocate(length, CHECK_NULL); 124 } 125 126 127 klassOop oopFactory::new_instanceKlass(Symbol* name, int vtable_len, int itable_len, 128 int static_field_size, 129 unsigned int nonstatic_oop_map_count, 130 AccessFlags access_flags, 131 ReferenceType rt, 132 KlassHandle host_klass, TRAPS) { 133 instanceKlassKlass* ikk = instanceKlassKlass::cast(Universe::instanceKlassKlassObj()); 134 return ikk->allocate_instance_klass(name, vtable_len, itable_len, 135 static_field_size, nonstatic_oop_map_count, 136 access_flags, rt, host_klass, CHECK_NULL); 137 } 138 139 140 constMethodOop oopFactory::new_constMethod(int byte_code_size, 141 int compressed_line_number_size, 142 int localvariable_table_length, 143 int exception_table_length, 144 int checked_exceptions_length, 145 bool is_conc_safe, 146 TRAPS) { 147 klassOop cmkObj = Universe::constMethodKlassObj(); 148 constMethodKlass* cmk = constMethodKlass::cast(cmkObj); 149 return cmk->allocate(byte_code_size, compressed_line_number_size, 150 localvariable_table_length, exception_table_length, 151 checked_exceptions_length, is_conc_safe, 152 CHECK_NULL); 153 } 154 155 156 methodOop oopFactory::new_method(int byte_code_size, AccessFlags access_flags, 157 int compressed_line_number_size, 158 int localvariable_table_length, 159 int exception_table_length, 160 int checked_exceptions_length, 161 bool is_conc_safe, 162 TRAPS) { 163 methodKlass* mk = methodKlass::cast(Universe::methodKlassObj()); 164 assert(!access_flags.is_native() || byte_code_size == 0, 165 "native methods should not contain byte codes"); 166 constMethodOop cm = new_constMethod(byte_code_size, 167 compressed_line_number_size, 168 localvariable_table_length, 169 exception_table_length, 170 checked_exceptions_length, 171 is_conc_safe, CHECK_NULL); 172 constMethodHandle rw(THREAD, cm); 173 return mk->allocate(rw, access_flags, CHECK_NULL); 174 } 175 176 177 methodDataOop oopFactory::new_methodData(methodHandle method, TRAPS) { 178 methodDataKlass* mdk = methodDataKlass::cast(Universe::methodDataKlassObj()); 179 return mdk->allocate(method, CHECK_NULL); 180 } 181 182 183 compiledICHolderOop oopFactory::new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS) { 184 compiledICHolderKlass* ck = (compiledICHolderKlass*) Universe::compiledICHolderKlassObj()->klass_part(); 185 compiledICHolderOop c = ck->allocate(CHECK_NULL); 186 c->set_holder_method(method()); 187 c->set_holder_klass(klass()); 188 return c; 189 }