Tue, 26 Jun 2012 19:08:44 -0400
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
Summary: Change constMethodOop::_exception_table to optionally inlined u2 table.
Reviewed-by: bdelsart, coleenp, kamg
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.
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5 * This code is free software; you can redistribute it and/or modify it
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7 * published by the Free Software Foundation.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * accompanied this code).
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23 */
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"
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 }
58 typeArrayOop oopFactory::new_permanent_charArray(int length, TRAPS) {
59 return typeArrayKlass::cast(Universe::charArrayKlassObj())->allocate_permanent(length, THREAD);
60 }
62 typeArrayOop oopFactory::new_permanent_byteArray(int length, TRAPS) {
63 return typeArrayKlass::cast(Universe::byteArrayKlassObj())->allocate_permanent(length, THREAD);
64 }
67 typeArrayOop oopFactory::new_permanent_shortArray(int length, TRAPS) {
68 return typeArrayKlass::cast(Universe::shortArrayKlassObj())->allocate_permanent(length, THREAD);
69 }
72 typeArrayOop oopFactory::new_permanent_intArray(int length, TRAPS) {
73 return typeArrayKlass::cast(Universe::intArrayKlassObj())->allocate_permanent(length, THREAD);
74 }
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 }
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 }
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 }
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 }
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 }
120 constantPoolCacheOop oopFactory::new_constantPoolCache(int length,
121 TRAPS) {
122 constantPoolCacheKlass* ck = constantPoolCacheKlass::cast(Universe::constantPoolCacheKlassObj());
123 return ck->allocate(length, CHECK_NULL);
124 }
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 }
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 }
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 }
177 methodDataOop oopFactory::new_methodData(methodHandle method, TRAPS) {
178 methodDataKlass* mdk = methodDataKlass::cast(Universe::methodDataKlassObj());
179 return mdk->allocate(method, CHECK_NULL);
180 }
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 }