Mon, 24 Dec 2012 11:46:38 -0800
Merge
duke@435 | 1 | /* |
coleenp@3682 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef SHARE_VM_CLASSFILE_CLASSFILEPARSER_HPP |
stefank@2314 | 26 | #define SHARE_VM_CLASSFILE_CLASSFILEPARSER_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "classfile/classFileStream.hpp" |
stefank@2314 | 29 | #include "memory/resourceArea.hpp" |
stefank@2314 | 30 | #include "oops/oop.inline.hpp" |
stefank@2314 | 31 | #include "oops/typeArrayOop.hpp" |
stefank@2314 | 32 | #include "runtime/handles.inline.hpp" |
stefank@2314 | 33 | #include "utilities/accessFlags.hpp" |
jrose@3926 | 34 | #include "classfile/symbolTable.hpp" |
stefank@2314 | 35 | |
never@3137 | 36 | class FieldAllocationCount; |
never@3137 | 37 | |
never@3137 | 38 | |
duke@435 | 39 | // Parser for for .class files |
duke@435 | 40 | // |
duke@435 | 41 | // The bytes describing the class file structure is read from a Stream object |
duke@435 | 42 | |
duke@435 | 43 | class ClassFileParser VALUE_OBJ_CLASS_SPEC { |
duke@435 | 44 | private: |
duke@435 | 45 | bool _need_verify; |
duke@435 | 46 | bool _relax_verify; |
duke@435 | 47 | u2 _major_version; |
duke@435 | 48 | u2 _minor_version; |
coleenp@2497 | 49 | Symbol* _class_name; |
jrose@1145 | 50 | KlassHandle _host_klass; |
jrose@866 | 51 | GrowableArray<Handle>* _cp_patches; // overrides for CP entries |
duke@435 | 52 | |
jrose@3926 | 53 | // precomputed flags |
duke@435 | 54 | bool _has_finalizer; |
duke@435 | 55 | bool _has_empty_finalizer; |
duke@435 | 56 | bool _has_vanilla_constructor; |
jrose@3926 | 57 | int _max_bootstrap_specifier_index; // detects BSS values |
duke@435 | 58 | |
jrose@3926 | 59 | // class attributes parsed before the instance klass is created: |
jrose@3926 | 60 | bool _synthetic_flag; |
jrose@3926 | 61 | Symbol* _sourcefile; |
jrose@3926 | 62 | Symbol* _generic_signature; |
kvn@3930 | 63 | char* _sde_buffer; |
kvn@3930 | 64 | int _sde_length; |
coleenp@4037 | 65 | Array<u2>* _inner_classes; |
coleenp@4037 | 66 | AnnotationArray* _annotations; |
stefank@4393 | 67 | AnnotationArray* _type_annotations; |
jrose@3926 | 68 | |
jrose@3926 | 69 | void set_class_synthetic_flag(bool x) { _synthetic_flag = x; } |
jrose@3926 | 70 | void set_class_sourcefile(Symbol* x) { _sourcefile = x; } |
jrose@3926 | 71 | void set_class_generic_signature(Symbol* x) { _generic_signature = x; } |
kvn@3930 | 72 | void set_class_sde_buffer(char* x, int len) { _sde_buffer = x; _sde_length = len; } |
coleenp@4037 | 73 | void set_class_inner_classes(Array<u2>* x) { _inner_classes = x; } |
coleenp@4037 | 74 | void set_class_annotations(AnnotationArray* x) { _annotations = x; } |
stefank@4393 | 75 | void set_class_type_annotations(AnnotationArray* x) { _type_annotations = x; } |
jrose@3926 | 76 | void init_parsed_class_attributes() { |
jrose@3926 | 77 | _synthetic_flag = false; |
jrose@3926 | 78 | _sourcefile = NULL; |
jrose@3926 | 79 | _generic_signature = NULL; |
kvn@3930 | 80 | _sde_buffer = NULL; |
kvn@3930 | 81 | _sde_length = 0; |
stefank@4393 | 82 | _annotations = _type_annotations = NULL; |
jrose@3926 | 83 | // initialize the other flags too: |
jrose@3926 | 84 | _has_finalizer = _has_empty_finalizer = _has_vanilla_constructor = false; |
jrose@3926 | 85 | _max_bootstrap_specifier_index = -1; |
jrose@3926 | 86 | } |
jrose@3926 | 87 | void apply_parsed_class_attributes(instanceKlassHandle k); // update k |
jrose@3926 | 88 | |
jrose@3926 | 89 | class AnnotationCollector { |
jrose@3926 | 90 | public: |
jrose@3926 | 91 | enum Location { _in_field, _in_method, _in_class }; |
jrose@3926 | 92 | enum ID { |
jrose@3926 | 93 | _unknown = 0, |
jrose@3926 | 94 | _method_ForceInline, |
twisti@3969 | 95 | _method_DontInline, |
twisti@3969 | 96 | _method_LambdaForm_Compiled, |
twisti@3969 | 97 | _method_LambdaForm_Hidden, |
jrose@3926 | 98 | _annotation_LIMIT |
jrose@3926 | 99 | }; |
jrose@3926 | 100 | const Location _location; |
jrose@3926 | 101 | int _annotations_present; |
jrose@3926 | 102 | AnnotationCollector(Location location) |
jrose@3926 | 103 | : _location(location), _annotations_present(0) |
jrose@3926 | 104 | { |
jrose@3926 | 105 | assert((int)_annotation_LIMIT <= (int)sizeof(_annotations_present) * BitsPerByte, ""); |
jrose@3926 | 106 | } |
jrose@3926 | 107 | // If this annotation name has an ID, report it (or _none). |
jrose@3926 | 108 | ID annotation_index(Symbol* name); |
jrose@3926 | 109 | // Set the annotation name: |
jrose@3926 | 110 | void set_annotation(ID id) { |
jrose@3926 | 111 | assert((int)id >= 0 && (int)id < (int)_annotation_LIMIT, "oob"); |
jrose@3926 | 112 | _annotations_present |= nth_bit((int)id); |
jrose@3926 | 113 | } |
jrose@3926 | 114 | // Report if the annotation is present. |
jrose@3926 | 115 | bool has_any_annotations() { return _annotations_present != 0; } |
jrose@3926 | 116 | bool has_annotation(ID id) { return (nth_bit((int)id) & _annotations_present) != 0; } |
jrose@3926 | 117 | }; |
jrose@3926 | 118 | class FieldAnnotationCollector: public AnnotationCollector { |
jrose@3926 | 119 | public: |
jrose@3926 | 120 | FieldAnnotationCollector() : AnnotationCollector(_in_field) { } |
jrose@3926 | 121 | void apply_to(FieldInfo* f); |
jrose@3926 | 122 | }; |
jrose@3926 | 123 | class MethodAnnotationCollector: public AnnotationCollector { |
jrose@3926 | 124 | public: |
jrose@3926 | 125 | MethodAnnotationCollector() : AnnotationCollector(_in_method) { } |
jrose@3926 | 126 | void apply_to(methodHandle m); |
jrose@3926 | 127 | }; |
jrose@3926 | 128 | class ClassAnnotationCollector: public AnnotationCollector { |
jrose@3926 | 129 | public: |
jrose@3926 | 130 | ClassAnnotationCollector() : AnnotationCollector(_in_class) { } |
jrose@3926 | 131 | void apply_to(instanceKlassHandle k); |
jrose@3926 | 132 | }; |
jrose@2353 | 133 | |
duke@435 | 134 | enum { fixed_buffer_size = 128 }; |
duke@435 | 135 | u_char linenumbertable_buffer[fixed_buffer_size]; |
duke@435 | 136 | |
duke@435 | 137 | ClassFileStream* _stream; // Actual input stream |
duke@435 | 138 | |
duke@435 | 139 | enum { LegalClass, LegalField, LegalMethod }; // used to verify unqualified names |
duke@435 | 140 | |
duke@435 | 141 | // Accessors |
duke@435 | 142 | ClassFileStream* stream() { return _stream; } |
duke@435 | 143 | void set_stream(ClassFileStream* st) { _stream = st; } |
duke@435 | 144 | |
duke@435 | 145 | // Constant pool parsing |
coleenp@4037 | 146 | void parse_constant_pool_entries(ClassLoaderData* loader_data, |
coleenp@3682 | 147 | constantPoolHandle cp, int length, TRAPS); |
duke@435 | 148 | |
coleenp@4037 | 149 | constantPoolHandle parse_constant_pool(ClassLoaderData* loader_data, TRAPS); |
duke@435 | 150 | |
duke@435 | 151 | // Interface parsing |
coleenp@4037 | 152 | Array<Klass*>* parse_interfaces(constantPoolHandle cp, |
duke@435 | 153 | int length, |
coleenp@4142 | 154 | ClassLoaderData* loader_data, |
duke@435 | 155 | Handle protection_domain, |
coleenp@2497 | 156 | Symbol* class_name, |
kamg@4245 | 157 | bool* has_default_methods, |
duke@435 | 158 | TRAPS); |
coleenp@4037 | 159 | void record_defined_class_dependencies(instanceKlassHandle defined_klass, TRAPS); |
duke@435 | 160 | |
duke@435 | 161 | // Field parsing |
coleenp@4037 | 162 | void parse_field_attributes(ClassLoaderData* loader_data, |
coleenp@4037 | 163 | constantPoolHandle cp, u2 attributes_count, |
duke@435 | 164 | bool is_static, u2 signature_index, |
duke@435 | 165 | u2* constantvalue_index_addr, |
duke@435 | 166 | bool* is_synthetic_addr, |
duke@435 | 167 | u2* generic_signature_index_addr, |
coleenp@4037 | 168 | AnnotationArray** field_annotations, |
stefank@4393 | 169 | AnnotationArray** field_type_annotations, |
jrose@3926 | 170 | FieldAnnotationCollector* parsed_annotations, |
jrose@3926 | 171 | TRAPS); |
coleenp@4037 | 172 | Array<u2>* parse_fields(ClassLoaderData* loader_data, |
coleenp@4037 | 173 | Symbol* class_name, |
coleenp@4142 | 174 | constantPoolHandle cp, bool is_interface, |
coleenp@4142 | 175 | FieldAllocationCount *fac, |
coleenp@4037 | 176 | Array<AnnotationArray*>** fields_annotations, |
stefank@4393 | 177 | Array<AnnotationArray*>** fields_type_annotations, |
coleenp@4142 | 178 | u2* java_fields_count_ptr, TRAPS); |
duke@435 | 179 | |
duke@435 | 180 | // Method parsing |
coleenp@4037 | 181 | methodHandle parse_method(ClassLoaderData* loader_data, |
coleenp@4037 | 182 | constantPoolHandle cp, |
coleenp@4037 | 183 | bool is_interface, |
duke@435 | 184 | AccessFlags* promoted_flags, |
coleenp@4037 | 185 | AnnotationArray** method_annotations, |
coleenp@4037 | 186 | AnnotationArray** method_parameter_annotations, |
coleenp@4037 | 187 | AnnotationArray** method_default_annotations, |
stefank@4393 | 188 | AnnotationArray** method_type_annotations, |
duke@435 | 189 | TRAPS); |
coleenp@4037 | 190 | Array<Method*>* parse_methods(ClassLoaderData* loader_data, |
coleenp@4142 | 191 | constantPoolHandle cp, |
coleenp@4142 | 192 | bool is_interface, |
duke@435 | 193 | AccessFlags* promoted_flags, |
duke@435 | 194 | bool* has_final_method, |
coleenp@4142 | 195 | Array<AnnotationArray*>** methods_annotations, |
coleenp@4142 | 196 | Array<AnnotationArray*>** methods_parameter_annotations, |
coleenp@4142 | 197 | Array<AnnotationArray*>** methods_default_annotations, |
stefank@4393 | 198 | Array<AnnotationArray*>** methods_type_annotations, |
kamg@4245 | 199 | bool* has_default_method, |
duke@435 | 200 | TRAPS); |
coleenp@4037 | 201 | Array<int>* sort_methods(ClassLoaderData* loader_data, |
coleenp@4037 | 202 | Array<Method*>* methods, |
coleenp@4037 | 203 | Array<AnnotationArray*>* methods_annotations, |
coleenp@4037 | 204 | Array<AnnotationArray*>* methods_parameter_annotations, |
coleenp@4037 | 205 | Array<AnnotationArray*>* methods_default_annotations, |
stefank@4393 | 206 | Array<AnnotationArray*>* methods_type_annotations, |
duke@435 | 207 | TRAPS); |
coleenp@4037 | 208 | u2* parse_exception_table(ClassLoaderData* loader_data, |
coleenp@4037 | 209 | u4 code_length, u4 exception_table_length, |
jiangli@3917 | 210 | constantPoolHandle cp, TRAPS); |
duke@435 | 211 | void parse_linenumber_table( |
duke@435 | 212 | u4 code_attribute_length, u4 code_length, |
duke@435 | 213 | CompressedLineNumberWriteStream** write_stream, TRAPS); |
duke@435 | 214 | u2* parse_localvariable_table(u4 code_length, u2 max_locals, u4 code_attribute_length, |
duke@435 | 215 | constantPoolHandle cp, u2* localvariable_table_length, |
duke@435 | 216 | bool isLVTT, TRAPS); |
duke@435 | 217 | u2* parse_checked_exceptions(u2* checked_exceptions_length, u4 method_attribute_length, |
duke@435 | 218 | constantPoolHandle cp, TRAPS); |
duke@435 | 219 | void parse_type_array(u2 array_length, u4 code_length, u4* u1_index, u4* u2_index, |
duke@435 | 220 | u1* u1_array, u2* u2_array, constantPoolHandle cp, TRAPS); |
coleenp@4037 | 221 | Array<u1>* parse_stackmap_table(ClassLoaderData* loader_data, u4 code_attribute_length, TRAPS); |
duke@435 | 222 | |
duke@435 | 223 | // Classfile attribute parsing |
jrose@3926 | 224 | void parse_classfile_sourcefile_attribute(constantPoolHandle cp, TRAPS); |
coleenp@4037 | 225 | void parse_classfile_source_debug_extension_attribute(constantPoolHandle cp, |
coleenp@4037 | 226 | int length, TRAPS); |
coleenp@4037 | 227 | u2 parse_classfile_inner_classes_attribute(ClassLoaderData* loader_data, |
coleenp@4037 | 228 | u1* inner_classes_attribute_start, |
jiangli@3670 | 229 | bool parsed_enclosingmethod_attribute, |
jiangli@3670 | 230 | u2 enclosing_method_class_index, |
jiangli@3670 | 231 | u2 enclosing_method_method_index, |
jiangli@3670 | 232 | constantPoolHandle cp, |
jrose@3926 | 233 | TRAPS); |
coleenp@4037 | 234 | void parse_classfile_attributes(ClassLoaderData* loader_data, |
coleenp@4037 | 235 | constantPoolHandle cp, |
jrose@3926 | 236 | ClassAnnotationCollector* parsed_annotations, |
jrose@3926 | 237 | TRAPS); |
jrose@3926 | 238 | void parse_classfile_synthetic_attribute(constantPoolHandle cp, TRAPS); |
jrose@3926 | 239 | void parse_classfile_signature_attribute(constantPoolHandle cp, TRAPS); |
coleenp@4037 | 240 | void parse_classfile_bootstrap_methods_attribute(ClassLoaderData* loader_data, constantPoolHandle cp, u4 attribute_length, TRAPS); |
duke@435 | 241 | |
duke@435 | 242 | // Annotations handling |
coleenp@4037 | 243 | AnnotationArray* assemble_annotations(ClassLoaderData* loader_data, |
coleenp@4037 | 244 | u1* runtime_visible_annotations, |
coleenp@4142 | 245 | int runtime_visible_annotations_length, |
coleenp@4142 | 246 | u1* runtime_invisible_annotations, |
coleenp@4142 | 247 | int runtime_invisible_annotations_length, TRAPS); |
jrose@3926 | 248 | int skip_annotation(u1* buffer, int limit, int index); |
jrose@3926 | 249 | int skip_annotation_value(u1* buffer, int limit, int index); |
jrose@3926 | 250 | void parse_annotations(u1* buffer, int limit, constantPoolHandle cp, |
jrose@3926 | 251 | /* Results (currently, only one result is supported): */ |
jrose@3926 | 252 | AnnotationCollector* result, |
jrose@3926 | 253 | TRAPS); |
duke@435 | 254 | |
duke@435 | 255 | // Final setup |
jcoomes@1374 | 256 | unsigned int compute_oop_map_count(instanceKlassHandle super, |
jcoomes@1374 | 257 | unsigned int nonstatic_oop_count, |
jcoomes@1374 | 258 | int first_nonstatic_oop_offset); |
jcoomes@1374 | 259 | void fill_oop_maps(instanceKlassHandle k, |
jcoomes@1374 | 260 | unsigned int nonstatic_oop_map_count, |
jcoomes@1374 | 261 | int* nonstatic_oop_offsets, |
jcoomes@1374 | 262 | unsigned int* nonstatic_oop_counts); |
duke@435 | 263 | void set_precomputed_flags(instanceKlassHandle k); |
coleenp@4037 | 264 | Array<Klass*>* compute_transitive_interfaces(ClassLoaderData* loader_data, |
coleenp@4142 | 265 | instanceKlassHandle super, |
coleenp@4142 | 266 | Array<Klass*>* local_ifs, TRAPS); |
duke@435 | 267 | |
duke@435 | 268 | // Format checker methods |
duke@435 | 269 | void classfile_parse_error(const char* msg, TRAPS); |
duke@435 | 270 | void classfile_parse_error(const char* msg, int index, TRAPS); |
duke@435 | 271 | void classfile_parse_error(const char* msg, const char *name, TRAPS); |
duke@435 | 272 | void classfile_parse_error(const char* msg, int index, const char *name, TRAPS); |
duke@435 | 273 | inline void guarantee_property(bool b, const char* msg, TRAPS) { |
duke@435 | 274 | if (!b) { classfile_parse_error(msg, CHECK); } |
duke@435 | 275 | } |
duke@435 | 276 | |
duke@435 | 277 | inline void assert_property(bool b, const char* msg, TRAPS) { |
duke@435 | 278 | #ifdef ASSERT |
duke@435 | 279 | if (!b) { fatal(msg); } |
duke@435 | 280 | #endif |
duke@435 | 281 | } |
duke@435 | 282 | |
duke@435 | 283 | inline void check_property(bool property, const char* msg, int index, TRAPS) { |
duke@435 | 284 | if (_need_verify) { |
duke@435 | 285 | guarantee_property(property, msg, index, CHECK); |
duke@435 | 286 | } else { |
duke@435 | 287 | assert_property(property, msg, CHECK); |
duke@435 | 288 | } |
duke@435 | 289 | } |
duke@435 | 290 | |
duke@435 | 291 | inline void check_property(bool property, const char* msg, TRAPS) { |
duke@435 | 292 | if (_need_verify) { |
duke@435 | 293 | guarantee_property(property, msg, CHECK); |
duke@435 | 294 | } else { |
duke@435 | 295 | assert_property(property, msg, CHECK); |
duke@435 | 296 | } |
duke@435 | 297 | } |
duke@435 | 298 | |
duke@435 | 299 | inline void guarantee_property(bool b, const char* msg, int index, TRAPS) { |
duke@435 | 300 | if (!b) { classfile_parse_error(msg, index, CHECK); } |
duke@435 | 301 | } |
duke@435 | 302 | inline void guarantee_property(bool b, const char* msg, const char *name, TRAPS) { |
duke@435 | 303 | if (!b) { classfile_parse_error(msg, name, CHECK); } |
duke@435 | 304 | } |
duke@435 | 305 | inline void guarantee_property(bool b, const char* msg, int index, const char *name, TRAPS) { |
duke@435 | 306 | if (!b) { classfile_parse_error(msg, index, name, CHECK); } |
duke@435 | 307 | } |
duke@435 | 308 | |
kamg@1941 | 309 | void throwIllegalSignature( |
coleenp@2497 | 310 | const char* type, Symbol* name, Symbol* sig, TRAPS); |
kamg@1941 | 311 | |
duke@435 | 312 | bool is_supported_version(u2 major, u2 minor); |
duke@435 | 313 | bool has_illegal_visibility(jint flags); |
duke@435 | 314 | |
duke@435 | 315 | void verify_constantvalue(int constantvalue_index, int signature_index, constantPoolHandle cp, TRAPS); |
duke@435 | 316 | void verify_legal_utf8(const unsigned char* buffer, int length, TRAPS); |
coleenp@2497 | 317 | void verify_legal_class_name(Symbol* name, TRAPS); |
coleenp@2497 | 318 | void verify_legal_field_name(Symbol* name, TRAPS); |
coleenp@2497 | 319 | void verify_legal_method_name(Symbol* name, TRAPS); |
coleenp@2497 | 320 | void verify_legal_field_signature(Symbol* fieldname, Symbol* signature, TRAPS); |
coleenp@2497 | 321 | int verify_legal_method_signature(Symbol* methodname, Symbol* signature, TRAPS); |
duke@435 | 322 | void verify_legal_class_modifiers(jint flags, TRAPS); |
duke@435 | 323 | void verify_legal_field_modifiers(jint flags, bool is_interface, TRAPS); |
coleenp@2497 | 324 | void verify_legal_method_modifiers(jint flags, bool is_interface, Symbol* name, TRAPS); |
duke@435 | 325 | bool verify_unqualified_name(char* name, unsigned int length, int type); |
duke@435 | 326 | char* skip_over_field_name(char* name, bool slash_ok, unsigned int length); |
duke@435 | 327 | char* skip_over_field_signature(char* signature, bool void_ok, unsigned int length, TRAPS); |
duke@435 | 328 | |
jrose@1145 | 329 | bool is_anonymous() { |
twisti@2698 | 330 | assert(EnableInvokeDynamic || _host_klass.is_null(), ""); |
jrose@1145 | 331 | return _host_klass.not_null(); |
jrose@1145 | 332 | } |
jrose@866 | 333 | bool has_cp_patch_at(int index) { |
twisti@2698 | 334 | assert(EnableInvokeDynamic, ""); |
jrose@866 | 335 | assert(index >= 0, "oob"); |
jrose@866 | 336 | return (_cp_patches != NULL |
jrose@866 | 337 | && index < _cp_patches->length() |
jrose@866 | 338 | && _cp_patches->adr_at(index)->not_null()); |
jrose@866 | 339 | } |
jrose@866 | 340 | Handle cp_patch_at(int index) { |
jrose@866 | 341 | assert(has_cp_patch_at(index), "oob"); |
jrose@866 | 342 | return _cp_patches->at(index); |
jrose@866 | 343 | } |
jrose@866 | 344 | Handle clear_cp_patch_at(int index) { |
jrose@866 | 345 | Handle patch = cp_patch_at(index); |
jrose@866 | 346 | _cp_patches->at_put(index, Handle()); |
jrose@866 | 347 | assert(!has_cp_patch_at(index), ""); |
jrose@866 | 348 | return patch; |
jrose@866 | 349 | } |
jrose@866 | 350 | void patch_constant_pool(constantPoolHandle cp, int index, Handle patch, TRAPS); |
jrose@866 | 351 | |
jrose@866 | 352 | // Wrapper for constantTag.is_klass_[or_]reference. |
coleenp@4037 | 353 | // In older versions of the VM, Klass*s cannot sneak into early phases of |
jrose@866 | 354 | // constant pool construction, but in later versions they can. |
jrose@866 | 355 | // %%% Let's phase out the old is_klass_reference. |
jrose@866 | 356 | bool is_klass_reference(constantPoolHandle cp, int index) { |
twisti@4163 | 357 | return (EnableInvokeDynamic |
jrose@866 | 358 | ? cp->tag_at(index).is_klass_or_reference() |
jrose@866 | 359 | : cp->tag_at(index).is_klass_reference()); |
jrose@866 | 360 | } |
jrose@866 | 361 | |
duke@435 | 362 | public: |
duke@435 | 363 | // Constructor |
duke@435 | 364 | ClassFileParser(ClassFileStream* st) { set_stream(st); } |
duke@435 | 365 | |
coleenp@4037 | 366 | // Parse .class file and return new Klass*. The Klass* is not hooked up |
duke@435 | 367 | // to the system dictionary or any other structures, so a .class file can |
duke@435 | 368 | // be loaded several times if desired. |
duke@435 | 369 | // The system dictionary hookup is done by the caller. |
duke@435 | 370 | // |
duke@435 | 371 | // "parsed_name" is updated by this method, and is the name found |
duke@435 | 372 | // while parsing the stream. |
coleenp@2497 | 373 | instanceKlassHandle parseClassFile(Symbol* name, |
coleenp@4304 | 374 | ClassLoaderData* loader_data, |
duke@435 | 375 | Handle protection_domain, |
coleenp@2497 | 376 | TempNewSymbol& parsed_name, |
acorn@1408 | 377 | bool verify, |
jrose@866 | 378 | TRAPS) { |
jrose@1145 | 379 | KlassHandle no_host_klass; |
coleenp@4304 | 380 | return parseClassFile(name, loader_data, protection_domain, no_host_klass, NULL, parsed_name, verify, THREAD); |
jrose@866 | 381 | } |
coleenp@2497 | 382 | instanceKlassHandle parseClassFile(Symbol* name, |
coleenp@4304 | 383 | ClassLoaderData* loader_data, |
jrose@866 | 384 | Handle protection_domain, |
jrose@1145 | 385 | KlassHandle host_klass, |
jrose@866 | 386 | GrowableArray<Handle>* cp_patches, |
coleenp@2497 | 387 | TempNewSymbol& parsed_name, |
acorn@1408 | 388 | bool verify, |
duke@435 | 389 | TRAPS); |
duke@435 | 390 | |
duke@435 | 391 | // Verifier checks |
duke@435 | 392 | static void check_super_class_access(instanceKlassHandle this_klass, TRAPS); |
duke@435 | 393 | static void check_super_interface_access(instanceKlassHandle this_klass, TRAPS); |
duke@435 | 394 | static void check_final_method_override(instanceKlassHandle this_klass, TRAPS); |
duke@435 | 395 | static void check_illegal_static_method(instanceKlassHandle this_klass, TRAPS); |
duke@435 | 396 | }; |
stefank@2314 | 397 | |
stefank@2314 | 398 | #endif // SHARE_VM_CLASSFILE_CLASSFILEPARSER_HPP |