Mercurial > hg > truffle
annotate src/share/vm/memory/oopFactory.cpp @ 939:9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
Reviewed-by: jmasa, iveresov
| author | jcoomes |
|---|---|
| date | Thu, 13 Aug 2009 16:22:45 -0700 |
| parents | b37c246bf7ce |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 579 | 2 * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. |
| 0 | 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_oopFactory.cpp.incl" | |
| 27 | |
| 28 | |
| 29 typeArrayOop oopFactory::new_charArray(const char* utf8_str, TRAPS) { | |
| 30 int length = utf8_str == NULL ? 0 : UTF8::unicode_length(utf8_str); | |
| 31 typeArrayOop result = new_charArray(length, CHECK_NULL); | |
| 32 if (length > 0) { | |
| 33 UTF8::convert_to_unicode(utf8_str, result->char_at_addr(0), length); | |
| 34 } | |
| 35 return result; | |
| 36 } | |
| 37 | |
| 38 typeArrayOop oopFactory::new_permanent_charArray(int length, TRAPS) { | |
| 39 return typeArrayKlass::cast(Universe::charArrayKlassObj())->allocate_permanent(length, THREAD); | |
| 40 } | |
| 41 | |
| 42 typeArrayOop oopFactory::new_permanent_byteArray(int length, TRAPS) { | |
| 43 return typeArrayKlass::cast(Universe::byteArrayKlassObj())->allocate_permanent(length, THREAD); | |
| 44 } | |
| 45 | |
| 46 | |
| 47 typeArrayOop oopFactory::new_permanent_shortArray(int length, TRAPS) { | |
| 48 return typeArrayKlass::cast(Universe::shortArrayKlassObj())->allocate_permanent(length, THREAD); | |
| 49 } | |
| 50 | |
| 51 | |
| 52 typeArrayOop oopFactory::new_permanent_intArray(int length, TRAPS) { | |
| 53 return typeArrayKlass::cast(Universe::intArrayKlassObj())->allocate_permanent(length, THREAD); | |
| 54 } | |
| 55 | |
| 56 | |
| 57 typeArrayOop oopFactory::new_typeArray(BasicType type, int length, TRAPS) { | |
| 58 klassOop type_asKlassOop = Universe::typeArrayKlassObj(type); | |
| 59 typeArrayKlass* type_asArrayKlass = typeArrayKlass::cast(type_asKlassOop); | |
| 60 typeArrayOop result = type_asArrayKlass->allocate(length, THREAD); | |
| 61 return result; | |
| 62 } | |
| 63 | |
| 64 | |
| 65 objArrayOop oopFactory::new_objArray(klassOop klass, int length, TRAPS) { | |
| 66 assert(klass->is_klass(), "must be instance class"); | |
| 67 if (klass->klass_part()->oop_is_array()) { | |
| 68 return ((arrayKlass*)klass->klass_part())->allocate_arrayArray(1, length, THREAD); | |
| 69 } else { | |
| 70 assert (klass->klass_part()->oop_is_instance(), "new object array with klass not an instanceKlass"); | |
| 71 return ((instanceKlass*)klass->klass_part())->allocate_objArray(1, length, THREAD); | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 objArrayOop oopFactory::new_system_objArray(int length, TRAPS) { | |
| 76 int size = objArrayOopDesc::object_size(length); | |
| 77 KlassHandle klass (THREAD, Universe::systemObjArrayKlassObj()); | |
| 78 objArrayOop o = (objArrayOop) | |
| 79 Universe::heap()->permanent_array_allocate(klass, size, length, CHECK_NULL); | |
| 80 // initialization not needed, allocated cleared | |
| 81 return o; | |
| 82 } | |
| 83 | |
| 84 | |
|
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85 constantPoolOop oopFactory::new_constantPool(int length, |
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86 bool is_conc_safe, |
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87 TRAPS) { |
| 0 | 88 constantPoolKlass* ck = constantPoolKlass::cast(Universe::constantPoolKlassObj()); |
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89 return ck->allocate(length, is_conc_safe, CHECK_NULL); |
| 0 | 90 } |
| 91 | |
| 92 | |
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93 constantPoolCacheOop oopFactory::new_constantPoolCache(int length, |
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94 bool is_conc_safe, |
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95 TRAPS) { |
| 0 | 96 constantPoolCacheKlass* ck = constantPoolCacheKlass::cast(Universe::constantPoolCacheKlassObj()); |
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97 return ck->allocate(length, is_conc_safe, CHECK_NULL); |
| 0 | 98 } |
| 99 | |
| 100 | |
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101 klassOop oopFactory::new_instanceKlass(int vtable_len, int itable_len, |
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102 int static_field_size, |
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103 unsigned int nonstatic_oop_map_count, |
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104 ReferenceType rt, TRAPS) { |
| 0 | 105 instanceKlassKlass* ikk = instanceKlassKlass::cast(Universe::instanceKlassKlassObj()); |
| 938 | 106 return ikk->allocate_instance_klass(vtable_len, itable_len, static_field_size, nonstatic_oop_map_count, rt, CHECK_NULL); |
| 0 | 107 } |
| 108 | |
| 109 | |
| 110 constMethodOop oopFactory::new_constMethod(int byte_code_size, | |
| 111 int compressed_line_number_size, | |
| 112 int localvariable_table_length, | |
| 113 int checked_exceptions_length, | |
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114 bool is_conc_safe, |
| 0 | 115 TRAPS) { |
| 116 klassOop cmkObj = Universe::constMethodKlassObj(); | |
| 117 constMethodKlass* cmk = constMethodKlass::cast(cmkObj); | |
| 118 return cmk->allocate(byte_code_size, compressed_line_number_size, | |
| 119 localvariable_table_length, checked_exceptions_length, | |
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120 is_conc_safe, |
| 0 | 121 CHECK_NULL); |
| 122 } | |
| 123 | |
| 124 | |
| 125 methodOop oopFactory::new_method(int byte_code_size, AccessFlags access_flags, | |
| 126 int compressed_line_number_size, | |
| 127 int localvariable_table_length, | |
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128 int checked_exceptions_length, |
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129 bool is_conc_safe, |
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130 TRAPS) { |
| 0 | 131 methodKlass* mk = methodKlass::cast(Universe::methodKlassObj()); |
| 132 assert(!access_flags.is_native() || byte_code_size == 0, | |
| 133 "native methods should not contain byte codes"); | |
| 134 constMethodOop cm = new_constMethod(byte_code_size, | |
| 135 compressed_line_number_size, | |
| 136 localvariable_table_length, | |
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137 checked_exceptions_length, |
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138 is_conc_safe, CHECK_NULL); |
| 0 | 139 constMethodHandle rw(THREAD, cm); |
| 140 return mk->allocate(rw, access_flags, CHECK_NULL); | |
| 141 } | |
| 142 | |
| 143 | |
| 144 methodDataOop oopFactory::new_methodData(methodHandle method, TRAPS) { | |
| 145 methodDataKlass* mdk = methodDataKlass::cast(Universe::methodDataKlassObj()); | |
| 146 return mdk->allocate(method, CHECK_NULL); | |
| 147 } | |
| 148 | |
| 149 | |
| 150 compiledICHolderOop oopFactory::new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS) { | |
| 151 compiledICHolderKlass* ck = (compiledICHolderKlass*) Universe::compiledICHolderKlassObj()->klass_part(); | |
| 152 compiledICHolderOop c = ck->allocate(CHECK_NULL); | |
| 153 c->set_holder_method(method()); | |
| 154 c->set_holder_klass(klass()); | |
| 155 return c; | |
| 156 } |