Mercurial > hg > truffle
comparison src/share/vm/oops/arrayKlass.cpp @ 6831:d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
Summary: Capitalize these metadata types (and objArrayKlass)
Reviewed-by: stefank, twisti, kvn
author | coleenp |
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date | Sat, 29 Sep 2012 06:40:00 -0400 |
parents | da91efe96a93 |
children | 070d523b96a7 |
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6811:1b582b1bf7cb | 6831:d8ce2825b193 |
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34 #include "oops/arrayOop.hpp" | 34 #include "oops/arrayOop.hpp" |
35 #include "oops/instanceKlass.hpp" | 35 #include "oops/instanceKlass.hpp" |
36 #include "oops/objArrayOop.hpp" | 36 #include "oops/objArrayOop.hpp" |
37 #include "oops/oop.inline.hpp" | 37 #include "oops/oop.inline.hpp" |
38 | 38 |
39 int arrayKlass::static_size(int header_size) { | 39 int ArrayKlass::static_size(int header_size) { |
40 // size of an array klass object | 40 // size of an array klass object |
41 assert(header_size <= InstanceKlass::header_size(), "bad header size"); | 41 assert(header_size <= InstanceKlass::header_size(), "bad header size"); |
42 // If this assert fails, see comments in base_create_array_klass. | 42 // If this assert fails, see comments in base_create_array_klass. |
43 header_size = InstanceKlass::header_size(); | 43 header_size = InstanceKlass::header_size(); |
44 int vtable_len = Universe::base_vtable_size(); | 44 int vtable_len = Universe::base_vtable_size(); |
49 #endif | 49 #endif |
50 return align_object_size(size); | 50 return align_object_size(size); |
51 } | 51 } |
52 | 52 |
53 | 53 |
54 Klass* arrayKlass::java_super() const { | 54 Klass* ArrayKlass::java_super() const { |
55 if (super() == NULL) return NULL; // bootstrap case | 55 if (super() == NULL) return NULL; // bootstrap case |
56 // Array klasses have primary supertypes which are not reported to Java. | 56 // Array klasses have primary supertypes which are not reported to Java. |
57 // Example super chain: String[][] -> Object[][] -> Object[] -> Object | 57 // Example super chain: String[][] -> Object[][] -> Object[] -> Object |
58 return SystemDictionary::Object_klass(); | 58 return SystemDictionary::Object_klass(); |
59 } | 59 } |
60 | 60 |
61 | 61 |
62 oop arrayKlass::multi_allocate(int rank, jint* sizes, TRAPS) { | 62 oop ArrayKlass::multi_allocate(int rank, jint* sizes, TRAPS) { |
63 ShouldNotReachHere(); | 63 ShouldNotReachHere(); |
64 return NULL; | 64 return NULL; |
65 } | 65 } |
66 | 66 |
67 Method* arrayKlass::uncached_lookup_method(Symbol* name, Symbol* signature) const { | 67 Method* ArrayKlass::uncached_lookup_method(Symbol* name, Symbol* signature) const { |
68 // There are no methods in an array klass but the super class (Object) has some | 68 // There are no methods in an array klass but the super class (Object) has some |
69 assert(super(), "super klass must be present"); | 69 assert(super(), "super klass must be present"); |
70 return Klass::cast(super())->uncached_lookup_method(name, signature); | 70 return Klass::cast(super())->uncached_lookup_method(name, signature); |
71 } | 71 } |
72 | 72 |
73 arrayKlass::arrayKlass(Symbol* name) { | 73 ArrayKlass::ArrayKlass(Symbol* name) { |
74 set_alloc_size(0); | 74 set_alloc_size(0); |
75 set_name(name); | 75 set_name(name); |
76 | 76 |
77 set_super(Universe::is_bootstrapping() ? (Klass*)NULL : SystemDictionary::Object_klass()); | 77 set_super(Universe::is_bootstrapping() ? (Klass*)NULL : SystemDictionary::Object_klass()); |
78 set_layout_helper(Klass::_lh_neutral_value); | 78 set_layout_helper(Klass::_lh_neutral_value); |
87 set_is_cloneable(); // All arrays are considered to be cloneable (See JLS 20.1.5) | 87 set_is_cloneable(); // All arrays are considered to be cloneable (See JLS 20.1.5) |
88 } | 88 } |
89 | 89 |
90 | 90 |
91 // Initialization of vtables and mirror object is done separatly from base_create_array_klass, | 91 // Initialization of vtables and mirror object is done separatly from base_create_array_klass, |
92 // since a GC can happen. At this point all instance variables of the arrayKlass must be setup. | 92 // since a GC can happen. At this point all instance variables of the ArrayKlass must be setup. |
93 void arrayKlass::complete_create_array_klass(arrayKlass* k, KlassHandle super_klass, TRAPS) { | 93 void ArrayKlass::complete_create_array_klass(ArrayKlass* k, KlassHandle super_klass, TRAPS) { |
94 ResourceMark rm(THREAD); | 94 ResourceMark rm(THREAD); |
95 k->initialize_supers(super_klass(), CHECK); | 95 k->initialize_supers(super_klass(), CHECK); |
96 k->vtable()->initialize_vtable(false, CHECK); | 96 k->vtable()->initialize_vtable(false, CHECK); |
97 java_lang_Class::create_mirror(k, CHECK); | 97 java_lang_Class::create_mirror(k, CHECK); |
98 } | 98 } |
99 | 99 |
100 GrowableArray<Klass*>* arrayKlass::compute_secondary_supers(int num_extra_slots) { | 100 GrowableArray<Klass*>* ArrayKlass::compute_secondary_supers(int num_extra_slots) { |
101 // interfaces = { cloneable_klass, serializable_klass }; | 101 // interfaces = { cloneable_klass, serializable_klass }; |
102 assert(num_extra_slots == 0, "sanity of primitive array type"); | 102 assert(num_extra_slots == 0, "sanity of primitive array type"); |
103 // Must share this for correct bootstrapping! | 103 // Must share this for correct bootstrapping! |
104 set_secondary_supers(Universe::the_array_interfaces_array()); | 104 set_secondary_supers(Universe::the_array_interfaces_array()); |
105 return NULL; | 105 return NULL; |
106 } | 106 } |
107 | 107 |
108 bool arrayKlass::compute_is_subtype_of(Klass* k) { | 108 bool ArrayKlass::compute_is_subtype_of(Klass* k) { |
109 // An array is a subtype of Serializable, Clonable, and Object | 109 // An array is a subtype of Serializable, Clonable, and Object |
110 return k == SystemDictionary::Object_klass() | 110 return k == SystemDictionary::Object_klass() |
111 || k == SystemDictionary::Cloneable_klass() | 111 || k == SystemDictionary::Cloneable_klass() |
112 || k == SystemDictionary::Serializable_klass(); | 112 || k == SystemDictionary::Serializable_klass(); |
113 } | 113 } |
114 | 114 |
115 | 115 |
116 inline intptr_t* arrayKlass::start_of_vtable() const { | 116 inline intptr_t* ArrayKlass::start_of_vtable() const { |
117 // all vtables start at the same place, that's why we use InstanceKlass::header_size here | 117 // all vtables start at the same place, that's why we use InstanceKlass::header_size here |
118 return ((intptr_t*)this) + InstanceKlass::header_size(); | 118 return ((intptr_t*)this) + InstanceKlass::header_size(); |
119 } | 119 } |
120 | 120 |
121 | 121 |
122 klassVtable* arrayKlass::vtable() const { | 122 klassVtable* ArrayKlass::vtable() const { |
123 KlassHandle kh(Thread::current(), this); | 123 KlassHandle kh(Thread::current(), this); |
124 return new klassVtable(kh, start_of_vtable(), vtable_length() / vtableEntry::size()); | 124 return new klassVtable(kh, start_of_vtable(), vtable_length() / vtableEntry::size()); |
125 } | 125 } |
126 | 126 |
127 | 127 |
128 objArrayOop arrayKlass::allocate_arrayArray(int n, int length, TRAPS) { | 128 objArrayOop ArrayKlass::allocate_arrayArray(int n, int length, TRAPS) { |
129 if (length < 0) { | 129 if (length < 0) { |
130 THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); | 130 THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); |
131 } | 131 } |
132 if (length > arrayOopDesc::max_array_length(T_ARRAY)) { | 132 if (length > arrayOopDesc::max_array_length(T_ARRAY)) { |
133 report_java_out_of_memory("Requested array size exceeds VM limit"); | 133 report_java_out_of_memory("Requested array size exceeds VM limit"); |
134 JvmtiExport::post_array_size_exhausted(); | 134 JvmtiExport::post_array_size_exhausted(); |
135 THROW_OOP_0(Universe::out_of_memory_error_array_size()); | 135 THROW_OOP_0(Universe::out_of_memory_error_array_size()); |
136 } | 136 } |
137 int size = objArrayOopDesc::object_size(length); | 137 int size = objArrayOopDesc::object_size(length); |
138 Klass* k = array_klass(n+dimension(), CHECK_0); | 138 Klass* k = array_klass(n+dimension(), CHECK_0); |
139 arrayKlass* ak = arrayKlass::cast(k); | 139 ArrayKlass* ak = ArrayKlass::cast(k); |
140 objArrayOop o = | 140 objArrayOop o = |
141 (objArrayOop)CollectedHeap::array_allocate(ak, size, length, CHECK_0); | 141 (objArrayOop)CollectedHeap::array_allocate(ak, size, length, CHECK_0); |
142 // initialization to NULL not necessary, area already cleared | 142 // initialization to NULL not necessary, area already cleared |
143 return o; | 143 return o; |
144 } | 144 } |
145 | 145 |
146 void arrayKlass::array_klasses_do(void f(Klass* k, TRAPS), TRAPS) { | 146 void ArrayKlass::array_klasses_do(void f(Klass* k, TRAPS), TRAPS) { |
147 Klass* k = this; | 147 Klass* k = this; |
148 // Iterate over this array klass and all higher dimensions | 148 // Iterate over this array klass and all higher dimensions |
149 while (k != NULL) { | 149 while (k != NULL) { |
150 f(k, CHECK); | 150 f(k, CHECK); |
151 k = arrayKlass::cast(k)->higher_dimension(); | 151 k = ArrayKlass::cast(k)->higher_dimension(); |
152 } | 152 } |
153 } | 153 } |
154 | 154 |
155 void arrayKlass::array_klasses_do(void f(Klass* k)) { | 155 void ArrayKlass::array_klasses_do(void f(Klass* k)) { |
156 Klass* k = this; | 156 Klass* k = this; |
157 // Iterate over this array klass and all higher dimensions | 157 // Iterate over this array klass and all higher dimensions |
158 while (k != NULL) { | 158 while (k != NULL) { |
159 f(k); | 159 f(k); |
160 k = arrayKlass::cast(k)->higher_dimension(); | 160 k = ArrayKlass::cast(k)->higher_dimension(); |
161 } | 161 } |
162 } | 162 } |
163 | 163 |
164 | 164 |
165 void arrayKlass::with_array_klasses_do(void f(Klass* k)) { | 165 void ArrayKlass::with_array_klasses_do(void f(Klass* k)) { |
166 array_klasses_do(f); | 166 array_klasses_do(f); |
167 } | 167 } |
168 | 168 |
169 | 169 |
170 // GC support | 170 // GC support |
171 | 171 |
172 void arrayKlass::oops_do(OopClosure* cl) { | 172 void ArrayKlass::oops_do(OopClosure* cl) { |
173 Klass::oops_do(cl); | 173 Klass::oops_do(cl); |
174 | 174 |
175 cl->do_oop(adr_component_mirror()); | 175 cl->do_oop(adr_component_mirror()); |
176 } | 176 } |
177 | 177 |
178 // JVM support | 178 // JVM support |
179 | 179 |
180 jint arrayKlass::compute_modifier_flags(TRAPS) const { | 180 jint ArrayKlass::compute_modifier_flags(TRAPS) const { |
181 return JVM_ACC_ABSTRACT | JVM_ACC_FINAL | JVM_ACC_PUBLIC; | 181 return JVM_ACC_ABSTRACT | JVM_ACC_FINAL | JVM_ACC_PUBLIC; |
182 } | 182 } |
183 | 183 |
184 // JVMTI support | 184 // JVMTI support |
185 | 185 |
186 jint arrayKlass::jvmti_class_status() const { | 186 jint ArrayKlass::jvmti_class_status() const { |
187 return JVMTI_CLASS_STATUS_ARRAY; | 187 return JVMTI_CLASS_STATUS_ARRAY; |
188 } | 188 } |
189 | 189 |
190 void arrayKlass::remove_unshareable_info() { | 190 void ArrayKlass::remove_unshareable_info() { |
191 Klass::remove_unshareable_info(); | 191 Klass::remove_unshareable_info(); |
192 // Clear the java mirror | 192 // Clear the java mirror |
193 set_component_mirror(NULL); | 193 set_component_mirror(NULL); |
194 } | 194 } |
195 | 195 |
196 void arrayKlass::restore_unshareable_info(TRAPS) { | 196 void ArrayKlass::restore_unshareable_info(TRAPS) { |
197 Klass::restore_unshareable_info(CHECK); | 197 Klass::restore_unshareable_info(CHECK); |
198 // Klass recreates the component mirror also | 198 // Klass recreates the component mirror also |
199 } | 199 } |
200 | 200 |
201 // Printing | 201 // Printing |
202 | 202 |
203 void arrayKlass::print_on(outputStream* st) const { | 203 void ArrayKlass::print_on(outputStream* st) const { |
204 assert(is_klass(), "must be klass"); | 204 assert(is_klass(), "must be klass"); |
205 Klass::print_on(st); | 205 Klass::print_on(st); |
206 } | 206 } |
207 | 207 |
208 void arrayKlass::print_value_on(outputStream* st) const { | 208 void ArrayKlass::print_value_on(outputStream* st) const { |
209 assert(is_klass(), "must be klass"); | 209 assert(is_klass(), "must be klass"); |
210 for(int index = 0; index < dimension(); index++) { | 210 for(int index = 0; index < dimension(); index++) { |
211 st->print("[]"); | 211 st->print("[]"); |
212 } | 212 } |
213 } | 213 } |
214 | 214 |
215 void arrayKlass::oop_print_on(oop obj, outputStream* st) { | 215 void ArrayKlass::oop_print_on(oop obj, outputStream* st) { |
216 assert(obj->is_array(), "must be array"); | 216 assert(obj->is_array(), "must be array"); |
217 Klass::oop_print_on(obj, st); | 217 Klass::oop_print_on(obj, st); |
218 st->print_cr(" - length: %d", arrayOop(obj)->length()); | 218 st->print_cr(" - length: %d", arrayOop(obj)->length()); |
219 } | 219 } |
220 | 220 |
221 | 221 |
222 // Verification | 222 // Verification |
223 | 223 |
224 void arrayKlass::verify_on(outputStream* st) { | 224 void ArrayKlass::verify_on(outputStream* st) { |
225 Klass::verify_on(st); | 225 Klass::verify_on(st); |
226 | 226 |
227 if (component_mirror() != NULL) { | 227 if (component_mirror() != NULL) { |
228 guarantee(component_mirror()->klass() != NULL, "should have a class"); | 228 guarantee(component_mirror()->klass() != NULL, "should have a class"); |
229 } | 229 } |
230 } | 230 } |
231 | 231 |
232 void arrayKlass::oop_verify_on(oop obj, outputStream* st) { | 232 void ArrayKlass::oop_verify_on(oop obj, outputStream* st) { |
233 guarantee(obj->is_array(), "must be array"); | 233 guarantee(obj->is_array(), "must be array"); |
234 arrayOop a = arrayOop(obj); | 234 arrayOop a = arrayOop(obj); |
235 guarantee(a->length() >= 0, "array with negative length?"); | 235 guarantee(a->length() >= 0, "array with negative length?"); |
236 } | 236 } |