Mercurial > hg > truffle
annotate src/share/vm/classfile/classFileParser.cpp @ 7611:ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
Summary: Also reviewed by: vitalyd@gmail.com
Reviewed-by: coleenp, acorn
author | stefank |
---|---|
date | Tue, 15 Jan 2013 10:09:45 +0100 |
parents | ade95d680b42 |
children | f422634e5828 |
rev | line source |
---|---|
0 | 1 /* |
5998
49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
5967
diff
changeset
|
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1513
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1513
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1513
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/classFileParser.hpp" | |
27 #include "classfile/classLoader.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
28 #include "classfile/classLoaderData.hpp" |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
29 #include "classfile/classLoaderData.inline.hpp" |
6934 | 30 #include "classfile/defaultMethods.hpp" |
31 #include "classfile/genericSignatures.hpp" | |
1972 | 32 #include "classfile/javaClasses.hpp" |
33 #include "classfile/symbolTable.hpp" | |
34 #include "classfile/systemDictionary.hpp" | |
35 #include "classfile/verificationType.hpp" | |
36 #include "classfile/verifier.hpp" | |
37 #include "classfile/vmSymbols.hpp" | |
38 #include "memory/allocation.hpp" | |
39 #include "memory/gcLocker.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
40 #include "memory/metadataFactory.hpp" |
1972 | 41 #include "memory/oopFactory.hpp" |
42 #include "memory/universe.inline.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
43 #include "oops/constantPool.hpp" |
3938 | 44 #include "oops/fieldStreams.hpp" |
1972 | 45 #include "oops/instanceKlass.hpp" |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
46 #include "oops/instanceMirrorKlass.hpp" |
1972 | 47 #include "oops/klass.inline.hpp" |
48 #include "oops/klassVtable.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
49 #include "oops/method.hpp" |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
50 #include "oops/symbol.hpp" |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
51 #include "prims/jvm.h" |
1972 | 52 #include "prims/jvmtiExport.hpp" |
4731
4ceaf61479fc
7122253: Instrumentation.retransformClasses() leaks class bytes
dcubed
parents:
3938
diff
changeset
|
53 #include "prims/jvmtiThreadState.hpp" |
1972 | 54 #include "runtime/javaCalls.hpp" |
55 #include "runtime/perfData.hpp" | |
56 #include "runtime/reflection.hpp" | |
57 #include "runtime/signature.hpp" | |
58 #include "runtime/timer.hpp" | |
59 #include "services/classLoadingService.hpp" | |
60 #include "services/threadService.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
61 #include "utilities/array.hpp" |
0 | 62 |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
63 // We generally try to create the oops directly when parsing, rather than |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
64 // allocating temporary data structures and copying the bytes twice. A |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
65 // temporary area is only needed when parsing utf8 entries in the constant |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
66 // pool and when parsing line number tables. |
0 | 67 |
68 // We add assert in debug mode when class format is not checked. | |
69 | |
70 #define JAVA_CLASSFILE_MAGIC 0xCAFEBABE | |
71 #define JAVA_MIN_SUPPORTED_VERSION 45 | |
6868 | 72 #define JAVA_MAX_SUPPORTED_VERSION 52 |
0 | 73 #define JAVA_MAX_SUPPORTED_MINOR_VERSION 0 |
74 | |
75 // Used for two backward compatibility reasons: | |
76 // - to check for new additions to the class file format in JDK1.5 | |
77 // - to check for bug fixes in the format checker in JDK1.5 | |
78 #define JAVA_1_5_VERSION 49 | |
79 | |
80 // Used for backward compatibility reasons: | |
81 // - to check for javac bug fixes that happened after 1.5 | |
176
6b648fefb395
6705523: Fix for 6695506 will violate spec when used in JDK6
kamg
parents:
136
diff
changeset
|
82 // - also used as the max version when running in jdk6 |
0 | 83 #define JAVA_6_VERSION 50 |
84 | |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
85 // Used for backward compatibility reasons: |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
86 // - to check NameAndType_info signatures more aggressively |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
87 #define JAVA_7_VERSION 51 |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
88 |
6934 | 89 // Extension method support. |
90 #define JAVA_8_VERSION 52 | |
91 | |
0 | 92 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
93 void ClassFileParser::parse_constant_pool_entries(ClassLoaderData* loader_data, constantPoolHandle cp, int length, TRAPS) { |
0 | 94 // Use a local copy of ClassFileStream. It helps the C++ compiler to optimize |
95 // this function (_current can be allocated in a register, with scalar | |
96 // replacement of aggregates). The _current pointer is copied back to | |
97 // stream() when this function returns. DON'T call another method within | |
98 // this method that uses stream(). | |
99 ClassFileStream* cfs0 = stream(); | |
100 ClassFileStream cfs1 = *cfs0; | |
101 ClassFileStream* cfs = &cfs1; | |
102 #ifdef ASSERT | |
1685 | 103 assert(cfs->allocated_on_stack(),"should be local"); |
0 | 104 u1* old_current = cfs0->current(); |
105 #endif | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
106 Handle class_loader(THREAD, loader_data->class_loader()); |
0 | 107 |
108 // Used for batching symbol allocations. | |
109 const char* names[SymbolTable::symbol_alloc_batch_size]; | |
110 int lengths[SymbolTable::symbol_alloc_batch_size]; | |
111 int indices[SymbolTable::symbol_alloc_batch_size]; | |
112 unsigned int hashValues[SymbolTable::symbol_alloc_batch_size]; | |
113 int names_count = 0; | |
114 | |
115 // parsing Index 0 is unused | |
116 for (int index = 1; index < length; index++) { | |
117 // Each of the following case guarantees one more byte in the stream | |
118 // for the following tag or the access_flags following constant pool, | |
119 // so we don't need bounds-check for reading tag. | |
120 u1 tag = cfs->get_u1_fast(); | |
121 switch (tag) { | |
122 case JVM_CONSTANT_Class : | |
123 { | |
124 cfs->guarantee_more(3, CHECK); // name_index, tag/access_flags | |
125 u2 name_index = cfs->get_u2_fast(); | |
126 cp->klass_index_at_put(index, name_index); | |
127 } | |
128 break; | |
129 case JVM_CONSTANT_Fieldref : | |
130 { | |
131 cfs->guarantee_more(5, CHECK); // class_index, name_and_type_index, tag/access_flags | |
132 u2 class_index = cfs->get_u2_fast(); | |
133 u2 name_and_type_index = cfs->get_u2_fast(); | |
134 cp->field_at_put(index, class_index, name_and_type_index); | |
135 } | |
136 break; | |
137 case JVM_CONSTANT_Methodref : | |
138 { | |
139 cfs->guarantee_more(5, CHECK); // class_index, name_and_type_index, tag/access_flags | |
140 u2 class_index = cfs->get_u2_fast(); | |
141 u2 name_and_type_index = cfs->get_u2_fast(); | |
142 cp->method_at_put(index, class_index, name_and_type_index); | |
143 } | |
144 break; | |
145 case JVM_CONSTANT_InterfaceMethodref : | |
146 { | |
147 cfs->guarantee_more(5, CHECK); // class_index, name_and_type_index, tag/access_flags | |
148 u2 class_index = cfs->get_u2_fast(); | |
149 u2 name_and_type_index = cfs->get_u2_fast(); | |
150 cp->interface_method_at_put(index, class_index, name_and_type_index); | |
151 } | |
152 break; | |
153 case JVM_CONSTANT_String : | |
154 { | |
155 cfs->guarantee_more(3, CHECK); // string_index, tag/access_flags | |
156 u2 string_index = cfs->get_u2_fast(); | |
157 cp->string_index_at_put(index, string_index); | |
158 } | |
159 break; | |
1602 | 160 case JVM_CONSTANT_MethodHandle : |
161 case JVM_CONSTANT_MethodType : | |
2356
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
162 if (_major_version < Verifier::INVOKEDYNAMIC_MAJOR_VERSION) { |
1602 | 163 classfile_parse_error( |
2356
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
164 "Class file version does not support constant tag %u in class file %s", |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
165 tag, CHECK); |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
166 } |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2376
diff
changeset
|
167 if (!EnableInvokeDynamic) { |
2356
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
168 classfile_parse_error( |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
169 "This JVM does not support constant tag %u in class file %s", |
1602 | 170 tag, CHECK); |
171 } | |
172 if (tag == JVM_CONSTANT_MethodHandle) { | |
173 cfs->guarantee_more(4, CHECK); // ref_kind, method_index, tag/access_flags | |
174 u1 ref_kind = cfs->get_u1_fast(); | |
175 u2 method_index = cfs->get_u2_fast(); | |
176 cp->method_handle_index_at_put(index, ref_kind, method_index); | |
177 } else if (tag == JVM_CONSTANT_MethodType) { | |
178 cfs->guarantee_more(3, CHECK); // signature_index, tag/access_flags | |
179 u2 signature_index = cfs->get_u2_fast(); | |
180 cp->method_type_index_at_put(index, signature_index); | |
181 } else { | |
182 ShouldNotReachHere(); | |
183 } | |
184 break; | |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
185 case JVM_CONSTANT_InvokeDynamic : |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
186 { |
2356
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
187 if (_major_version < Verifier::INVOKEDYNAMIC_MAJOR_VERSION) { |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
188 classfile_parse_error( |
2356
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
189 "Class file version does not support constant tag %u in class file %s", |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
190 tag, CHECK); |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
191 } |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
192 if (!EnableInvokeDynamic) { |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
193 classfile_parse_error( |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2334
diff
changeset
|
194 "This JVM does not support constant tag %u in class file %s", |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
195 tag, CHECK); |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
196 } |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
197 cfs->guarantee_more(5, CHECK); // bsm_index, nt, tag/access_flags |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
198 u2 bootstrap_specifier_index = cfs->get_u2_fast(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
199 u2 name_and_type_index = cfs->get_u2_fast(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
200 if (_max_bootstrap_specifier_index < (int) bootstrap_specifier_index) |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
201 _max_bootstrap_specifier_index = (int) bootstrap_specifier_index; // collect for later |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
202 cp->invoke_dynamic_at_put(index, bootstrap_specifier_index, name_and_type_index); |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
203 } |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
204 break; |
0 | 205 case JVM_CONSTANT_Integer : |
206 { | |
207 cfs->guarantee_more(5, CHECK); // bytes, tag/access_flags | |
208 u4 bytes = cfs->get_u4_fast(); | |
209 cp->int_at_put(index, (jint) bytes); | |
210 } | |
211 break; | |
212 case JVM_CONSTANT_Float : | |
213 { | |
214 cfs->guarantee_more(5, CHECK); // bytes, tag/access_flags | |
215 u4 bytes = cfs->get_u4_fast(); | |
216 cp->float_at_put(index, *(jfloat*)&bytes); | |
217 } | |
218 break; | |
219 case JVM_CONSTANT_Long : | |
220 // A mangled type might cause you to overrun allocated memory | |
221 guarantee_property(index+1 < length, | |
222 "Invalid constant pool entry %u in class file %s", | |
223 index, CHECK); | |
224 { | |
225 cfs->guarantee_more(9, CHECK); // bytes, tag/access_flags | |
226 u8 bytes = cfs->get_u8_fast(); | |
227 cp->long_at_put(index, bytes); | |
228 } | |
229 index++; // Skip entry following eigth-byte constant, see JVM book p. 98 | |
230 break; | |
231 case JVM_CONSTANT_Double : | |
232 // A mangled type might cause you to overrun allocated memory | |
233 guarantee_property(index+1 < length, | |
234 "Invalid constant pool entry %u in class file %s", | |
235 index, CHECK); | |
236 { | |
237 cfs->guarantee_more(9, CHECK); // bytes, tag/access_flags | |
238 u8 bytes = cfs->get_u8_fast(); | |
239 cp->double_at_put(index, *(jdouble*)&bytes); | |
240 } | |
241 index++; // Skip entry following eigth-byte constant, see JVM book p. 98 | |
242 break; | |
243 case JVM_CONSTANT_NameAndType : | |
244 { | |
245 cfs->guarantee_more(5, CHECK); // name_index, signature_index, tag/access_flags | |
246 u2 name_index = cfs->get_u2_fast(); | |
247 u2 signature_index = cfs->get_u2_fast(); | |
248 cp->name_and_type_at_put(index, name_index, signature_index); | |
249 } | |
250 break; | |
251 case JVM_CONSTANT_Utf8 : | |
252 { | |
253 cfs->guarantee_more(2, CHECK); // utf8_length | |
254 u2 utf8_length = cfs->get_u2_fast(); | |
255 u1* utf8_buffer = cfs->get_u1_buffer(); | |
256 assert(utf8_buffer != NULL, "null utf8 buffer"); | |
257 // Got utf8 string, guarantee utf8_length+1 bytes, set stream position forward. | |
258 cfs->guarantee_more(utf8_length+1, CHECK); // utf8 string, tag/access_flags | |
259 cfs->skip_u1_fast(utf8_length); | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
260 |
0 | 261 // Before storing the symbol, make sure it's legal |
262 if (_need_verify) { | |
263 verify_legal_utf8((unsigned char*)utf8_buffer, utf8_length, CHECK); | |
264 } | |
265 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2376
diff
changeset
|
266 if (EnableInvokeDynamic && has_cp_patch_at(index)) { |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
267 Handle patch = clear_cp_patch_at(index); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
268 guarantee_property(java_lang_String::is_instance(patch()), |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
269 "Illegal utf8 patch at %d in class file %s", |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
270 index, CHECK); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
271 char* str = java_lang_String::as_utf8_string(patch()); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
272 // (could use java_lang_String::as_symbol instead, but might as well batch them) |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
273 utf8_buffer = (u1*) str; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
274 utf8_length = (int) strlen(str); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
275 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
276 |
0 | 277 unsigned int hash; |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
278 Symbol* result = SymbolTable::lookup_only((char*)utf8_buffer, utf8_length, hash); |
0 | 279 if (result == NULL) { |
280 names[names_count] = (char*)utf8_buffer; | |
281 lengths[names_count] = utf8_length; | |
282 indices[names_count] = index; | |
283 hashValues[names_count++] = hash; | |
284 if (names_count == SymbolTable::symbol_alloc_batch_size) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
285 SymbolTable::new_symbols(loader_data, cp, names_count, names, lengths, indices, hashValues, CHECK); |
0 | 286 names_count = 0; |
287 } | |
288 } else { | |
289 cp->symbol_at_put(index, result); | |
290 } | |
291 } | |
292 break; | |
293 default: | |
294 classfile_parse_error( | |
295 "Unknown constant tag %u in class file %s", tag, CHECK); | |
296 break; | |
297 } | |
298 } | |
299 | |
300 // Allocate the remaining symbols | |
301 if (names_count > 0) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
302 SymbolTable::new_symbols(loader_data, cp, names_count, names, lengths, indices, hashValues, CHECK); |
0 | 303 } |
304 | |
305 // Copy _current pointer of local copy back to stream(). | |
306 #ifdef ASSERT | |
307 assert(cfs0->current() == old_current, "non-exclusive use of stream()"); | |
308 #endif | |
309 cfs0->set_current(cfs1.current()); | |
310 } | |
311 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
312 // This class unreferences constant pool symbols if an error has occurred |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
313 // while parsing the class before it is assigned into the class. |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
314 // If it gets an error after that it is unloaded and the constant pool will |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
315 // be cleaned up then. |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
316 class ConstantPoolCleaner : public StackObj { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
317 constantPoolHandle _cphandle; |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
318 bool _in_error; |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
319 public: |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
320 ConstantPoolCleaner(constantPoolHandle cp) : _cphandle(cp), _in_error(true) {} |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
321 ~ConstantPoolCleaner() { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
322 if (_in_error && _cphandle.not_null()) { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
323 _cphandle->unreference_symbols(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
324 } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
325 } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
326 void set_in_error(bool clean) { _in_error = clean; } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
327 }; |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
328 |
0 | 329 bool inline valid_cp_range(int index, int length) { return (index > 0 && index < length); } |
330 | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
331 inline Symbol* check_symbol_at(constantPoolHandle cp, int index) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
332 if (valid_cp_range(index, cp->length()) && cp->tag_at(index).is_utf8()) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
333 return cp->symbol_at(index); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
334 else |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
335 return NULL; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
336 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
337 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
338 constantPoolHandle ClassFileParser::parse_constant_pool(ClassLoaderData* loader_data, TRAPS) { |
0 | 339 ClassFileStream* cfs = stream(); |
340 constantPoolHandle nullHandle; | |
341 | |
342 cfs->guarantee_more(3, CHECK_(nullHandle)); // length, first cp tag | |
343 u2 length = cfs->get_u2_fast(); | |
344 guarantee_property( | |
345 length >= 1, "Illegal constant pool size %u in class file %s", | |
346 length, CHECK_(nullHandle)); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
347 ConstantPool* constant_pool = |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
348 ConstantPool::allocate(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
349 length, |
518
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
474
diff
changeset
|
350 CHECK_(nullHandle)); |
0 | 351 constantPoolHandle cp (THREAD, constant_pool); |
352 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
353 ConstantPoolCleaner cp_in_error(cp); // set constant pool to be cleaned up. |
0 | 354 |
355 // parsing constant pool entries | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
356 parse_constant_pool_entries(loader_data, cp, length, CHECK_(nullHandle)); |
0 | 357 |
358 int index = 1; // declared outside of loops for portability | |
359 | |
360 // first verification pass - validate cross references and fixup class and string constants | |
361 for (index = 1; index < length; index++) { // Index 0 is unused | |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
362 jbyte tag = cp->tag_at(index).value(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
363 switch (tag) { |
0 | 364 case JVM_CONSTANT_Class : |
365 ShouldNotReachHere(); // Only JVM_CONSTANT_ClassIndex should be present | |
366 break; | |
367 case JVM_CONSTANT_Fieldref : | |
368 // fall through | |
369 case JVM_CONSTANT_Methodref : | |
370 // fall through | |
371 case JVM_CONSTANT_InterfaceMethodref : { | |
372 if (!_need_verify) break; | |
373 int klass_ref_index = cp->klass_ref_index_at(index); | |
374 int name_and_type_ref_index = cp->name_and_type_ref_index_at(index); | |
375 check_property(valid_cp_range(klass_ref_index, length) && | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
376 is_klass_reference(cp, klass_ref_index), |
0 | 377 "Invalid constant pool index %u in class file %s", |
378 klass_ref_index, | |
379 CHECK_(nullHandle)); | |
380 check_property(valid_cp_range(name_and_type_ref_index, length) && | |
381 cp->tag_at(name_and_type_ref_index).is_name_and_type(), | |
382 "Invalid constant pool index %u in class file %s", | |
383 name_and_type_ref_index, | |
384 CHECK_(nullHandle)); | |
385 break; | |
386 } | |
387 case JVM_CONSTANT_String : | |
388 ShouldNotReachHere(); // Only JVM_CONSTANT_StringIndex should be present | |
389 break; | |
390 case JVM_CONSTANT_Integer : | |
391 break; | |
392 case JVM_CONSTANT_Float : | |
393 break; | |
394 case JVM_CONSTANT_Long : | |
395 case JVM_CONSTANT_Double : | |
396 index++; | |
397 check_property( | |
398 (index < length && cp->tag_at(index).is_invalid()), | |
399 "Improper constant pool long/double index %u in class file %s", | |
400 index, CHECK_(nullHandle)); | |
401 break; | |
402 case JVM_CONSTANT_NameAndType : { | |
403 if (!_need_verify) break; | |
404 int name_ref_index = cp->name_ref_index_at(index); | |
405 int signature_ref_index = cp->signature_ref_index_at(index); | |
406 check_property( | |
407 valid_cp_range(name_ref_index, length) && | |
408 cp->tag_at(name_ref_index).is_utf8(), | |
409 "Invalid constant pool index %u in class file %s", | |
410 name_ref_index, CHECK_(nullHandle)); | |
411 check_property( | |
412 valid_cp_range(signature_ref_index, length) && | |
413 cp->tag_at(signature_ref_index).is_utf8(), | |
414 "Invalid constant pool index %u in class file %s", | |
415 signature_ref_index, CHECK_(nullHandle)); | |
416 break; | |
417 } | |
418 case JVM_CONSTANT_Utf8 : | |
419 break; | |
420 case JVM_CONSTANT_UnresolvedClass : // fall-through | |
421 case JVM_CONSTANT_UnresolvedClassInError: | |
422 ShouldNotReachHere(); // Only JVM_CONSTANT_ClassIndex should be present | |
423 break; | |
424 case JVM_CONSTANT_ClassIndex : | |
425 { | |
426 int class_index = cp->klass_index_at(index); | |
427 check_property( | |
428 valid_cp_range(class_index, length) && | |
429 cp->tag_at(class_index).is_utf8(), | |
430 "Invalid constant pool index %u in class file %s", | |
431 class_index, CHECK_(nullHandle)); | |
432 cp->unresolved_klass_at_put(index, cp->symbol_at(class_index)); | |
433 } | |
434 break; | |
435 case JVM_CONSTANT_StringIndex : | |
436 { | |
437 int string_index = cp->string_index_at(index); | |
438 check_property( | |
439 valid_cp_range(string_index, length) && | |
440 cp->tag_at(string_index).is_utf8(), | |
441 "Invalid constant pool index %u in class file %s", | |
442 string_index, CHECK_(nullHandle)); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
443 Symbol* sym = cp->symbol_at(string_index); |
0 | 444 cp->unresolved_string_at_put(index, sym); |
445 } | |
446 break; | |
1602 | 447 case JVM_CONSTANT_MethodHandle : |
448 { | |
449 int ref_index = cp->method_handle_index_at(index); | |
450 check_property( | |
451 valid_cp_range(ref_index, length) && | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2376
diff
changeset
|
452 EnableInvokeDynamic, |
1602 | 453 "Invalid constant pool index %u in class file %s", |
454 ref_index, CHECK_(nullHandle)); | |
455 constantTag tag = cp->tag_at(ref_index); | |
456 int ref_kind = cp->method_handle_ref_kind_at(index); | |
457 switch (ref_kind) { | |
458 case JVM_REF_getField: | |
459 case JVM_REF_getStatic: | |
460 case JVM_REF_putField: | |
461 case JVM_REF_putStatic: | |
462 check_property( | |
463 tag.is_field(), | |
464 "Invalid constant pool index %u in class file %s (not a field)", | |
465 ref_index, CHECK_(nullHandle)); | |
466 break; | |
467 case JVM_REF_invokeVirtual: | |
468 case JVM_REF_invokeStatic: | |
469 case JVM_REF_invokeSpecial: | |
470 case JVM_REF_newInvokeSpecial: | |
471 check_property( | |
472 tag.is_method(), | |
473 "Invalid constant pool index %u in class file %s (not a method)", | |
474 ref_index, CHECK_(nullHandle)); | |
475 break; | |
476 case JVM_REF_invokeInterface: | |
477 check_property( | |
478 tag.is_interface_method(), | |
479 "Invalid constant pool index %u in class file %s (not an interface method)", | |
480 ref_index, CHECK_(nullHandle)); | |
481 break; | |
482 default: | |
483 classfile_parse_error( | |
484 "Bad method handle kind at constant pool index %u in class file %s", | |
485 index, CHECK_(nullHandle)); | |
486 } | |
487 // Keep the ref_index unchanged. It will be indirected at link-time. | |
488 } | |
489 break; | |
490 case JVM_CONSTANT_MethodType : | |
491 { | |
492 int ref_index = cp->method_type_index_at(index); | |
493 check_property( | |
494 valid_cp_range(ref_index, length) && | |
495 cp->tag_at(ref_index).is_utf8() && | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2376
diff
changeset
|
496 EnableInvokeDynamic, |
1602 | 497 "Invalid constant pool index %u in class file %s", |
498 ref_index, CHECK_(nullHandle)); | |
499 } | |
500 break; | |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
501 case JVM_CONSTANT_InvokeDynamic : |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
502 { |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
503 int name_and_type_ref_index = cp->invoke_dynamic_name_and_type_ref_index_at(index); |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
504 check_property(valid_cp_range(name_and_type_ref_index, length) && |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
505 cp->tag_at(name_and_type_ref_index).is_name_and_type(), |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
506 "Invalid constant pool index %u in class file %s", |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
507 name_and_type_ref_index, |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
508 CHECK_(nullHandle)); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
509 // bootstrap specifier index must be checked later, when BootstrapMethods attr is available |
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
510 break; |
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1608
diff
changeset
|
511 } |
0 | 512 default: |
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1366
diff
changeset
|
513 fatal(err_msg("bad constant pool tag value %u", |
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1366
diff
changeset
|
514 cp->tag_at(index).value())); |
0 | 515 ShouldNotReachHere(); |
516 break; | |
517 } // end of switch | |
518 } // end of for | |
519 | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
520 if (_cp_patches != NULL) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
521 // need to treat this_class specially... |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2376
diff
changeset
|
522 assert(EnableInvokeDynamic, ""); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
523 int this_class_index; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
524 { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
525 cfs->guarantee_more(8, CHECK_(nullHandle)); // flags, this_class, super_class, infs_len |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
526 u1* mark = cfs->current(); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
527 u2 flags = cfs->get_u2_fast(); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
528 this_class_index = cfs->get_u2_fast(); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
529 cfs->set_current(mark); // revert to mark |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
530 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
531 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
532 for (index = 1; index < length; index++) { // Index 0 is unused |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
533 if (has_cp_patch_at(index)) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
534 guarantee_property(index != this_class_index, |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
535 "Illegal constant pool patch to self at %d in class file %s", |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
536 index, CHECK_(nullHandle)); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
537 patch_constant_pool(cp, index, cp_patch_at(index), CHECK_(nullHandle)); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
538 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
539 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
540 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
541 |
0 | 542 if (!_need_verify) { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
543 cp_in_error.set_in_error(false); |
0 | 544 return cp; |
545 } | |
546 | |
547 // second verification pass - checks the strings are of the right format. | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
548 // but not yet to the other entries |
0 | 549 for (index = 1; index < length; index++) { |
550 jbyte tag = cp->tag_at(index).value(); | |
551 switch (tag) { | |
552 case JVM_CONSTANT_UnresolvedClass: { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
553 Symbol* class_name = cp->unresolved_klass_at(index); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
554 // check the name, even if _cp_patches will overwrite it |
0 | 555 verify_legal_class_name(class_name, CHECK_(nullHandle)); |
556 break; | |
557 } | |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
558 case JVM_CONSTANT_NameAndType: { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
559 if (_need_verify && _major_version >= JAVA_7_VERSION) { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
560 int sig_index = cp->signature_ref_index_at(index); |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
561 int name_index = cp->name_ref_index_at(index); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
562 Symbol* name = cp->symbol_at(name_index); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
563 Symbol* sig = cp->symbol_at(sig_index); |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
564 if (sig->byte_at(0) == JVM_SIGNATURE_FUNC) { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
565 verify_legal_method_signature(name, sig, CHECK_(nullHandle)); |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
566 } else { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
567 verify_legal_field_signature(name, sig, CHECK_(nullHandle)); |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
568 } |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
569 } |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
570 break; |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
571 } |
2461
758ba0bf7bcc
7012087: JSR 292 Misleading exception message for a non-bound MH for a virtual method
jrose
parents:
2460
diff
changeset
|
572 case JVM_CONSTANT_InvokeDynamic: |
0 | 573 case JVM_CONSTANT_Fieldref: |
574 case JVM_CONSTANT_Methodref: | |
575 case JVM_CONSTANT_InterfaceMethodref: { | |
576 int name_and_type_ref_index = cp->name_and_type_ref_index_at(index); | |
577 // already verified to be utf8 | |
578 int name_ref_index = cp->name_ref_index_at(name_and_type_ref_index); | |
579 // already verified to be utf8 | |
580 int signature_ref_index = cp->signature_ref_index_at(name_and_type_ref_index); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
581 Symbol* name = cp->symbol_at(name_ref_index); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
582 Symbol* signature = cp->symbol_at(signature_ref_index); |
0 | 583 if (tag == JVM_CONSTANT_Fieldref) { |
584 verify_legal_field_name(name, CHECK_(nullHandle)); | |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
585 if (_need_verify && _major_version >= JAVA_7_VERSION) { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
586 // Signature is verified above, when iterating NameAndType_info. |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
587 // Need only to be sure it's the right type. |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
588 if (signature->byte_at(0) == JVM_SIGNATURE_FUNC) { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
589 throwIllegalSignature( |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
590 "Field", name, signature, CHECK_(nullHandle)); |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
591 } |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
592 } else { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
593 verify_legal_field_signature(name, signature, CHECK_(nullHandle)); |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
594 } |
0 | 595 } else { |
596 verify_legal_method_name(name, CHECK_(nullHandle)); | |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
597 if (_need_verify && _major_version >= JAVA_7_VERSION) { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
598 // Signature is verified above, when iterating NameAndType_info. |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
599 // Need only to be sure it's the right type. |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
600 if (signature->byte_at(0) != JVM_SIGNATURE_FUNC) { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
601 throwIllegalSignature( |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
602 "Method", name, signature, CHECK_(nullHandle)); |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
603 } |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
604 } else { |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
605 verify_legal_method_signature(name, signature, CHECK_(nullHandle)); |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
606 } |
0 | 607 if (tag == JVM_CONSTANT_Methodref) { |
608 // 4509014: If a class method name begins with '<', it must be "<init>". | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
609 assert(name != NULL, "method name in constant pool is null"); |
0 | 610 unsigned int name_len = name->utf8_length(); |
611 assert(name_len > 0, "bad method name"); // already verified as legal name | |
612 if (name->byte_at(0) == '<') { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
613 if (name != vmSymbols::object_initializer_name()) { |
0 | 614 classfile_parse_error( |
615 "Bad method name at constant pool index %u in class file %s", | |
616 name_ref_index, CHECK_(nullHandle)); | |
617 } | |
618 } | |
619 } | |
620 } | |
621 break; | |
622 } | |
1602 | 623 case JVM_CONSTANT_MethodHandle: { |
624 int ref_index = cp->method_handle_index_at(index); | |
625 int ref_kind = cp->method_handle_ref_kind_at(index); | |
626 switch (ref_kind) { | |
627 case JVM_REF_invokeVirtual: | |
628 case JVM_REF_invokeStatic: | |
629 case JVM_REF_invokeSpecial: | |
630 case JVM_REF_newInvokeSpecial: | |
631 { | |
632 int name_and_type_ref_index = cp->name_and_type_ref_index_at(ref_index); | |
633 int name_ref_index = cp->name_ref_index_at(name_and_type_ref_index); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
634 Symbol* name = cp->symbol_at(name_ref_index); |
1602 | 635 if (ref_kind == JVM_REF_newInvokeSpecial) { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
636 if (name != vmSymbols::object_initializer_name()) { |
1602 | 637 classfile_parse_error( |
638 "Bad constructor name at constant pool index %u in class file %s", | |
639 name_ref_index, CHECK_(nullHandle)); | |
640 } | |
641 } else { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
642 if (name == vmSymbols::object_initializer_name()) { |
1602 | 643 classfile_parse_error( |
644 "Bad method name at constant pool index %u in class file %s", | |
645 name_ref_index, CHECK_(nullHandle)); | |
646 } | |
647 } | |
648 } | |
649 break; | |
650 // Other ref_kinds are already fully checked in previous pass. | |
651 } | |
652 break; | |
653 } | |
654 case JVM_CONSTANT_MethodType: { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
655 Symbol* no_name = vmSymbols::type_name(); // place holder |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
656 Symbol* signature = cp->method_type_signature_at(index); |
1602 | 657 verify_legal_method_signature(no_name, signature, CHECK_(nullHandle)); |
658 break; | |
659 } | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
660 case JVM_CONSTANT_Utf8: { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
661 assert(cp->symbol_at(index)->refcount() != 0, "count corrupted"); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
662 } |
0 | 663 } // end of switch |
664 } // end of for | |
665 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
666 cp_in_error.set_in_error(false); |
0 | 667 return cp; |
668 } | |
669 | |
670 | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
671 void ClassFileParser::patch_constant_pool(constantPoolHandle cp, int index, Handle patch, TRAPS) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2376
diff
changeset
|
672 assert(EnableInvokeDynamic, ""); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
673 BasicType patch_type = T_VOID; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
674 |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
675 switch (cp->tag_at(index).value()) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
676 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
677 case JVM_CONSTANT_UnresolvedClass : |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
678 // Patching a class means pre-resolving it. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
679 // The name in the constant pool is ignored. |
1602 | 680 if (java_lang_Class::is_instance(patch())) { |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
681 guarantee_property(!java_lang_Class::is_primitive(patch()), |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
682 "Illegal class patch at %d in class file %s", |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
683 index, CHECK); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
684 cp->klass_at_put(index, java_lang_Class::as_Klass(patch())); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
685 } else { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
686 guarantee_property(java_lang_String::is_instance(patch()), |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
687 "Illegal class patch at %d in class file %s", |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
688 index, CHECK); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
689 Symbol* name = java_lang_String::as_symbol(patch(), CHECK); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
690 cp->unresolved_klass_at_put(index, name); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
691 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
692 break; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
693 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
694 case JVM_CONSTANT_String : |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
695 // skip this patch and don't clear it. Needs the oop array for resolved |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
696 // references to be created first. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
697 return; |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
698 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
699 case JVM_CONSTANT_Integer : patch_type = T_INT; goto patch_prim; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
700 case JVM_CONSTANT_Float : patch_type = T_FLOAT; goto patch_prim; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
701 case JVM_CONSTANT_Long : patch_type = T_LONG; goto patch_prim; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
702 case JVM_CONSTANT_Double : patch_type = T_DOUBLE; goto patch_prim; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
703 patch_prim: |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
704 { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
705 jvalue value; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
706 BasicType value_type = java_lang_boxing_object::get_value(patch(), &value); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
707 guarantee_property(value_type == patch_type, |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
708 "Illegal primitive patch at %d in class file %s", |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
709 index, CHECK); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
710 switch (value_type) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
711 case T_INT: cp->int_at_put(index, value.i); break; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
712 case T_FLOAT: cp->float_at_put(index, value.f); break; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
713 case T_LONG: cp->long_at_put(index, value.j); break; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
714 case T_DOUBLE: cp->double_at_put(index, value.d); break; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
715 default: assert(false, ""); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
716 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
717 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
718 break; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
719 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
720 default: |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
721 // %%% TODO: put method handles into CONSTANT_InterfaceMethodref, etc. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
722 guarantee_property(!has_cp_patch_at(index), |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
723 "Illegal unexpected patch at %d in class file %s", |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
724 index, CHECK); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
725 return; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
726 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
727 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
728 // On fall-through, mark the patch as used. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
729 clear_cp_patch_at(index); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
730 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
731 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
732 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
733 |
0 | 734 class NameSigHash: public ResourceObj { |
735 public: | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
736 Symbol* _name; // name |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
737 Symbol* _sig; // signature |
0 | 738 NameSigHash* _next; // Next entry in hash table |
739 }; | |
740 | |
741 | |
742 #define HASH_ROW_SIZE 256 | |
743 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
744 unsigned int hash(Symbol* name, Symbol* sig) { |
0 | 745 unsigned int raw_hash = 0; |
746 raw_hash += ((unsigned int)(uintptr_t)name) >> (LogHeapWordSize + 2); | |
747 raw_hash += ((unsigned int)(uintptr_t)sig) >> LogHeapWordSize; | |
748 | |
749 return (raw_hash + (unsigned int)(uintptr_t)name) % HASH_ROW_SIZE; | |
750 } | |
751 | |
752 | |
753 void initialize_hashtable(NameSigHash** table) { | |
754 memset((void*)table, 0, sizeof(NameSigHash*) * HASH_ROW_SIZE); | |
755 } | |
756 | |
757 // Return false if the name/sig combination is found in table. | |
758 // Return true if no duplicate is found. And name/sig is added as a new entry in table. | |
759 // The old format checker uses heap sort to find duplicates. | |
760 // NOTE: caller should guarantee that GC doesn't happen during the life cycle | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
761 // of table since we don't expect Symbol*'s to move. |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
762 bool put_after_lookup(Symbol* name, Symbol* sig, NameSigHash** table) { |
0 | 763 assert(name != NULL, "name in constant pool is NULL"); |
764 | |
765 // First lookup for duplicates | |
766 int index = hash(name, sig); | |
767 NameSigHash* entry = table[index]; | |
768 while (entry != NULL) { | |
769 if (entry->_name == name && entry->_sig == sig) { | |
770 return false; | |
771 } | |
772 entry = entry->_next; | |
773 } | |
774 | |
775 // No duplicate is found, allocate a new entry and fill it. | |
776 entry = new NameSigHash(); | |
777 entry->_name = name; | |
778 entry->_sig = sig; | |
779 | |
780 // Insert into hash table | |
781 entry->_next = table[index]; | |
782 table[index] = entry; | |
783 | |
784 return true; | |
785 } | |
786 | |
787 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
788 Array<Klass*>* ClassFileParser::parse_interfaces(constantPoolHandle cp, |
0 | 789 int length, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
790 ClassLoaderData* loader_data, |
0 | 791 Handle protection_domain, |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
792 Symbol* class_name, |
6934 | 793 bool* has_default_methods, |
0 | 794 TRAPS) { |
795 ClassFileStream* cfs = stream(); | |
796 assert(length > 0, "only called for length>0"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
797 // FIXME: Leak at later OOM. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
798 Array<Klass*>* interfaces = MetadataFactory::new_array<Klass*>(loader_data, length, NULL, CHECK_NULL); |
0 | 799 |
800 int index; | |
801 for (index = 0; index < length; index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
802 u2 interface_index = cfs->get_u2(CHECK_NULL); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
803 KlassHandle interf; |
0 | 804 check_property( |
805 valid_cp_range(interface_index, cp->length()) && | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
806 is_klass_reference(cp, interface_index), |
0 | 807 "Interface name has bad constant pool index %u in class file %s", |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
808 interface_index, CHECK_NULL); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
809 if (cp->tag_at(interface_index).is_klass()) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
810 interf = KlassHandle(THREAD, cp->resolved_klass_at(interface_index)); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
811 } else { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
812 Symbol* unresolved_klass = cp->klass_name_at(interface_index); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
813 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
814 // Don't need to check legal name because it's checked when parsing constant pool. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
815 // But need to make sure it's not an array type. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
816 guarantee_property(unresolved_klass->byte_at(0) != JVM_SIGNATURE_ARRAY, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
817 "Bad interface name in class file %s", CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
818 Handle class_loader(THREAD, loader_data->class_loader()); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
819 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
820 // Call resolve_super so classcircularity is checked |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
821 Klass* k = SystemDictionary::resolve_super_or_fail(class_name, |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
822 unresolved_klass, class_loader, protection_domain, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
823 false, CHECK_NULL); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
824 interf = KlassHandle(THREAD, k); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
825 } |
0 | 826 |
6983 | 827 if (!interf()->is_interface()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
828 THROW_MSG_(vmSymbols::java_lang_IncompatibleClassChangeError(), "Implementing class", NULL); |
0 | 829 } |
6934 | 830 if (InstanceKlass::cast(interf())->has_default_methods()) { |
831 *has_default_methods = true; | |
832 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
833 interfaces->at_put(index, interf()); |
0 | 834 } |
835 | |
836 if (!_need_verify || length <= 1) { | |
837 return interfaces; | |
838 } | |
839 | |
840 // Check if there's any duplicates in interfaces | |
841 ResourceMark rm(THREAD); | |
842 NameSigHash** interface_names = NEW_RESOURCE_ARRAY_IN_THREAD( | |
843 THREAD, NameSigHash*, HASH_ROW_SIZE); | |
844 initialize_hashtable(interface_names); | |
845 bool dup = false; | |
846 { | |
847 debug_only(No_Safepoint_Verifier nsv;) | |
848 for (index = 0; index < length; index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
849 Klass* k = interfaces->at(index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
850 Symbol* name = InstanceKlass::cast(k)->name(); |
0 | 851 // If no duplicates, add (name, NULL) in hashtable interface_names. |
852 if (!put_after_lookup(name, NULL, interface_names)) { | |
853 dup = true; | |
854 break; | |
855 } | |
856 } | |
857 } | |
858 if (dup) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
859 classfile_parse_error("Duplicate interface name in class file %s", CHECK_NULL); |
0 | 860 } |
861 | |
862 return interfaces; | |
863 } | |
864 | |
865 | |
866 void ClassFileParser::verify_constantvalue(int constantvalue_index, int signature_index, constantPoolHandle cp, TRAPS) { | |
867 // Make sure the constant pool entry is of a type appropriate to this field | |
868 guarantee_property( | |
869 (constantvalue_index > 0 && | |
870 constantvalue_index < cp->length()), | |
871 "Bad initial value index %u in ConstantValue attribute in class file %s", | |
872 constantvalue_index, CHECK); | |
873 constantTag value_type = cp->tag_at(constantvalue_index); | |
874 switch ( cp->basic_type_for_signature_at(signature_index) ) { | |
875 case T_LONG: | |
876 guarantee_property(value_type.is_long(), "Inconsistent constant value type in class file %s", CHECK); | |
877 break; | |
878 case T_FLOAT: | |
879 guarantee_property(value_type.is_float(), "Inconsistent constant value type in class file %s", CHECK); | |
880 break; | |
881 case T_DOUBLE: | |
882 guarantee_property(value_type.is_double(), "Inconsistent constant value type in class file %s", CHECK); | |
883 break; | |
884 case T_BYTE: case T_CHAR: case T_SHORT: case T_BOOLEAN: case T_INT: | |
885 guarantee_property(value_type.is_int(), "Inconsistent constant value type in class file %s", CHECK); | |
886 break; | |
887 case T_OBJECT: | |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1108
diff
changeset
|
888 guarantee_property((cp->symbol_at(signature_index)->equals("Ljava/lang/String;") |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
889 && value_type.is_string()), |
0 | 890 "Bad string initial value in class file %s", CHECK); |
891 break; | |
892 default: | |
893 classfile_parse_error( | |
894 "Unable to set initial value %u in class file %s", | |
895 constantvalue_index, CHECK); | |
896 } | |
897 } | |
898 | |
899 | |
900 // Parse attributes for a field. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
901 void ClassFileParser::parse_field_attributes(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
902 constantPoolHandle cp, |
0 | 903 u2 attributes_count, |
904 bool is_static, u2 signature_index, | |
905 u2* constantvalue_index_addr, | |
906 bool* is_synthetic_addr, | |
907 u2* generic_signature_index_addr, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
908 AnnotationArray** field_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
909 AnnotationArray** field_type_annotations, |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
910 ClassFileParser::FieldAnnotationCollector* parsed_annotations, |
0 | 911 TRAPS) { |
912 ClassFileStream* cfs = stream(); | |
913 assert(attributes_count > 0, "length should be greater than 0"); | |
914 u2 constantvalue_index = 0; | |
915 u2 generic_signature_index = 0; | |
916 bool is_synthetic = false; | |
917 u1* runtime_visible_annotations = NULL; | |
918 int runtime_visible_annotations_length = 0; | |
919 u1* runtime_invisible_annotations = NULL; | |
920 int runtime_invisible_annotations_length = 0; | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
921 u1* runtime_visible_type_annotations = NULL; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
922 int runtime_visible_type_annotations_length = 0; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
923 u1* runtime_invisible_type_annotations = NULL; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
924 int runtime_invisible_type_annotations_length = 0; |
0 | 925 while (attributes_count--) { |
926 cfs->guarantee_more(6, CHECK); // attribute_name_index, attribute_length | |
927 u2 attribute_name_index = cfs->get_u2_fast(); | |
928 u4 attribute_length = cfs->get_u4_fast(); | |
929 check_property(valid_cp_range(attribute_name_index, cp->length()) && | |
930 cp->tag_at(attribute_name_index).is_utf8(), | |
931 "Invalid field attribute index %u in class file %s", | |
932 attribute_name_index, | |
933 CHECK); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
934 Symbol* attribute_name = cp->symbol_at(attribute_name_index); |
0 | 935 if (is_static && attribute_name == vmSymbols::tag_constant_value()) { |
936 // ignore if non-static | |
937 if (constantvalue_index != 0) { | |
938 classfile_parse_error("Duplicate ConstantValue attribute in class file %s", CHECK); | |
939 } | |
940 check_property( | |
941 attribute_length == 2, | |
942 "Invalid ConstantValue field attribute length %u in class file %s", | |
943 attribute_length, CHECK); | |
944 constantvalue_index = cfs->get_u2(CHECK); | |
945 if (_need_verify) { | |
946 verify_constantvalue(constantvalue_index, signature_index, cp, CHECK); | |
947 } | |
948 } else if (attribute_name == vmSymbols::tag_synthetic()) { | |
949 if (attribute_length != 0) { | |
950 classfile_parse_error( | |
951 "Invalid Synthetic field attribute length %u in class file %s", | |
952 attribute_length, CHECK); | |
953 } | |
954 is_synthetic = true; | |
955 } else if (attribute_name == vmSymbols::tag_deprecated()) { // 4276120 | |
956 if (attribute_length != 0) { | |
957 classfile_parse_error( | |
958 "Invalid Deprecated field attribute length %u in class file %s", | |
959 attribute_length, CHECK); | |
960 } | |
961 } else if (_major_version >= JAVA_1_5_VERSION) { | |
962 if (attribute_name == vmSymbols::tag_signature()) { | |
963 if (attribute_length != 2) { | |
964 classfile_parse_error( | |
965 "Wrong size %u for field's Signature attribute in class file %s", | |
966 attribute_length, CHECK); | |
967 } | |
968 generic_signature_index = cfs->get_u2(CHECK); | |
969 } else if (attribute_name == vmSymbols::tag_runtime_visible_annotations()) { | |
970 runtime_visible_annotations_length = attribute_length; | |
971 runtime_visible_annotations = cfs->get_u1_buffer(); | |
972 assert(runtime_visible_annotations != NULL, "null visible annotations"); | |
973 cfs->skip_u1(runtime_visible_annotations_length, CHECK); | |
974 } else if (PreserveAllAnnotations && attribute_name == vmSymbols::tag_runtime_invisible_annotations()) { | |
975 runtime_invisible_annotations_length = attribute_length; | |
976 runtime_invisible_annotations = cfs->get_u1_buffer(); | |
977 assert(runtime_invisible_annotations != NULL, "null invisible annotations"); | |
978 cfs->skip_u1(runtime_invisible_annotations_length, CHECK); | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
979 } else if (attribute_name == vmSymbols::tag_runtime_visible_type_annotations()) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
980 runtime_visible_type_annotations_length = attribute_length; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
981 runtime_visible_type_annotations = cfs->get_u1_buffer(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
982 assert(runtime_visible_type_annotations != NULL, "null visible type annotations"); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
983 cfs->skip_u1(runtime_visible_type_annotations_length, CHECK); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
984 } else if (PreserveAllAnnotations && attribute_name == vmSymbols::tag_runtime_invisible_type_annotations()) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
985 runtime_invisible_type_annotations_length = attribute_length; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
986 runtime_invisible_type_annotations = cfs->get_u1_buffer(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
987 assert(runtime_invisible_type_annotations != NULL, "null invisible type annotations"); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
988 cfs->skip_u1(runtime_invisible_type_annotations_length, CHECK); |
0 | 989 } else { |
990 cfs->skip_u1(attribute_length, CHECK); // Skip unknown attributes | |
991 } | |
992 } else { | |
993 cfs->skip_u1(attribute_length, CHECK); // Skip unknown attributes | |
994 } | |
995 } | |
996 | |
997 *constantvalue_index_addr = constantvalue_index; | |
998 *is_synthetic_addr = is_synthetic; | |
999 *generic_signature_index_addr = generic_signature_index; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1000 *field_annotations = assemble_annotations(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1001 runtime_visible_annotations, |
0 | 1002 runtime_visible_annotations_length, |
1003 runtime_invisible_annotations, | |
1004 runtime_invisible_annotations_length, | |
1005 CHECK); | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1006 *field_type_annotations = assemble_annotations(loader_data, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1007 runtime_visible_type_annotations, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1008 runtime_visible_type_annotations_length, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1009 runtime_invisible_type_annotations, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1010 runtime_invisible_type_annotations_length, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1011 CHECK); |
0 | 1012 return; |
1013 } | |
1014 | |
1015 | |
1016 // Field allocation types. Used for computing field offsets. | |
1017 | |
1018 enum FieldAllocationType { | |
1019 STATIC_OOP, // Oops | |
1020 STATIC_BYTE, // Boolean, Byte, char | |
1021 STATIC_SHORT, // shorts | |
1022 STATIC_WORD, // ints | |
3938 | 1023 STATIC_DOUBLE, // aligned long or double |
0 | 1024 NONSTATIC_OOP, |
1025 NONSTATIC_BYTE, | |
1026 NONSTATIC_SHORT, | |
1027 NONSTATIC_WORD, | |
1028 NONSTATIC_DOUBLE, | |
3938 | 1029 MAX_FIELD_ALLOCATION_TYPE, |
1030 BAD_ALLOCATION_TYPE = -1 | |
0 | 1031 }; |
1032 | |
3938 | 1033 static FieldAllocationType _basic_type_to_atype[2 * (T_CONFLICT + 1)] = { |
1034 BAD_ALLOCATION_TYPE, // 0 | |
1035 BAD_ALLOCATION_TYPE, // 1 | |
1036 BAD_ALLOCATION_TYPE, // 2 | |
1037 BAD_ALLOCATION_TYPE, // 3 | |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1038 NONSTATIC_BYTE , // T_BOOLEAN = 4, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1039 NONSTATIC_SHORT, // T_CHAR = 5, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1040 NONSTATIC_WORD, // T_FLOAT = 6, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1041 NONSTATIC_DOUBLE, // T_DOUBLE = 7, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1042 NONSTATIC_BYTE, // T_BYTE = 8, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1043 NONSTATIC_SHORT, // T_SHORT = 9, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1044 NONSTATIC_WORD, // T_INT = 10, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1045 NONSTATIC_DOUBLE, // T_LONG = 11, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1046 NONSTATIC_OOP, // T_OBJECT = 12, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1047 NONSTATIC_OOP, // T_ARRAY = 13, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1048 BAD_ALLOCATION_TYPE, // T_VOID = 14, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1049 BAD_ALLOCATION_TYPE, // T_ADDRESS = 15, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1050 BAD_ALLOCATION_TYPE, // T_NARROWOOP = 16, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1051 BAD_ALLOCATION_TYPE, // T_METADATA = 17, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1052 BAD_ALLOCATION_TYPE, // T_NARROWKLASS = 18, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1053 BAD_ALLOCATION_TYPE, // T_CONFLICT = 19, |
3938 | 1054 BAD_ALLOCATION_TYPE, // 0 |
1055 BAD_ALLOCATION_TYPE, // 1 | |
1056 BAD_ALLOCATION_TYPE, // 2 | |
1057 BAD_ALLOCATION_TYPE, // 3 | |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1058 STATIC_BYTE , // T_BOOLEAN = 4, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1059 STATIC_SHORT, // T_CHAR = 5, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1060 STATIC_WORD, // T_FLOAT = 6, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1061 STATIC_DOUBLE, // T_DOUBLE = 7, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1062 STATIC_BYTE, // T_BYTE = 8, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1063 STATIC_SHORT, // T_SHORT = 9, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1064 STATIC_WORD, // T_INT = 10, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1065 STATIC_DOUBLE, // T_LONG = 11, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1066 STATIC_OOP, // T_OBJECT = 12, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1067 STATIC_OOP, // T_ARRAY = 13, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1068 BAD_ALLOCATION_TYPE, // T_VOID = 14, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1069 BAD_ALLOCATION_TYPE, // T_ADDRESS = 15, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1070 BAD_ALLOCATION_TYPE, // T_NARROWOOP = 16, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1071 BAD_ALLOCATION_TYPE, // T_METADATA = 17, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1072 BAD_ALLOCATION_TYPE, // T_NARROWKLASS = 18, |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6735
diff
changeset
|
1073 BAD_ALLOCATION_TYPE, // T_CONFLICT = 19, |
0 | 1074 }; |
1075 | |
3938 | 1076 static FieldAllocationType basic_type_to_atype(bool is_static, BasicType type) { |
1077 assert(type >= T_BOOLEAN && type < T_VOID, "only allowable values"); | |
1078 FieldAllocationType result = _basic_type_to_atype[type + (is_static ? (T_CONFLICT + 1) : 0)]; | |
1079 assert(result != BAD_ALLOCATION_TYPE, "bad type"); | |
1080 return result; | |
1081 } | |
1082 | |
1083 class FieldAllocationCount: public ResourceObj { | |
1084 public: | |
4744
cd5d8cafcc84
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
3938
diff
changeset
|
1085 u2 count[MAX_FIELD_ALLOCATION_TYPE]; |
3938 | 1086 |
1087 FieldAllocationCount() { | |
1088 for (int i = 0; i < MAX_FIELD_ALLOCATION_TYPE; i++) { | |
1089 count[i] = 0; | |
1090 } | |
1091 } | |
1092 | |
1093 FieldAllocationType update(bool is_static, BasicType type) { | |
1094 FieldAllocationType atype = basic_type_to_atype(is_static, type); | |
4744
cd5d8cafcc84
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
3938
diff
changeset
|
1095 // Make sure there is no overflow with injected fields. |
cd5d8cafcc84
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
3938
diff
changeset
|
1096 assert(count[atype] < 0xFFFF, "More than 65535 fields"); |
3938 | 1097 count[atype]++; |
1098 return atype; | |
1099 } | |
1100 }; | |
1101 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1102 Array<u2>* ClassFileParser::parse_fields(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1103 Symbol* class_name, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
1104 constantPoolHandle cp, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
1105 bool is_interface, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
1106 FieldAllocationCount *fac, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1107 Array<AnnotationArray*>** fields_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1108 Array<AnnotationArray*>** fields_type_annotations, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
1109 u2* java_fields_count_ptr, TRAPS) { |
0 | 1110 ClassFileStream* cfs = stream(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1111 cfs->guarantee_more(2, CHECK_NULL); // length |
0 | 1112 u2 length = cfs->get_u2_fast(); |
3938 | 1113 *java_fields_count_ptr = length; |
1114 | |
1115 int num_injected = 0; | |
1116 InjectedField* injected = JavaClasses::get_injected(class_name, &num_injected); | |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1117 int total_fields = length + num_injected; |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1118 |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1119 // The field array starts with tuples of shorts |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1120 // [access, name index, sig index, initial value index, byte offset]. |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1121 // A generic signature slot only exists for field with generic |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1122 // signature attribute. And the access flag is set with |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1123 // JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE for that field. The generic |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1124 // signature slots are at the end of the field array and after all |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1125 // other fields data. |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1126 // |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1127 // f1: [access, name index, sig index, initial value index, low_offset, high_offset] |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1128 // f2: [access, name index, sig index, initial value index, low_offset, high_offset] |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1129 // ... |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1130 // fn: [access, name index, sig index, initial value index, low_offset, high_offset] |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1131 // [generic signature index] |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1132 // [generic signature index] |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1133 // ... |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1134 // |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1135 // Allocate a temporary resource array for field data. For each field, |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1136 // a slot is reserved in the temporary array for the generic signature |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1137 // index. After parsing all fields, the data are copied to a permanent |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1138 // array and any unused slots will be discarded. |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1139 ResourceMark rm(THREAD); |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1140 u2* fa = NEW_RESOURCE_ARRAY_IN_THREAD( |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1141 THREAD, u2, total_fields * (FieldInfo::field_slots + 1)); |
0 | 1142 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1143 AnnotationArray* field_annotations = NULL; |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1144 AnnotationArray* field_type_annotations = NULL; |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1145 // The generic signature slots start after all other fields' data. |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1146 int generic_signature_slot = total_fields * FieldInfo::field_slots; |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1147 int num_generic_signature = 0; |
0 | 1148 for (int n = 0; n < length; n++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1149 cfs->guarantee_more(8, CHECK_NULL); // access_flags, name_index, descriptor_index, attributes_count |
0 | 1150 |
1151 AccessFlags access_flags; | |
1152 jint flags = cfs->get_u2_fast() & JVM_RECOGNIZED_FIELD_MODIFIERS; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1153 verify_legal_field_modifiers(flags, is_interface, CHECK_NULL); |
0 | 1154 access_flags.set_flags(flags); |
1155 | |
1156 u2 name_index = cfs->get_u2_fast(); | |
1157 int cp_size = cp->length(); | |
1158 check_property( | |
1159 valid_cp_range(name_index, cp_size) && cp->tag_at(name_index).is_utf8(), | |
1160 "Invalid constant pool index %u for field name in class file %s", | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1161 name_index, CHECK_NULL); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1162 Symbol* name = cp->symbol_at(name_index); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1163 verify_legal_field_name(name, CHECK_NULL); |
0 | 1164 |
1165 u2 signature_index = cfs->get_u2_fast(); | |
1166 check_property( | |
1167 valid_cp_range(signature_index, cp_size) && | |
1168 cp->tag_at(signature_index).is_utf8(), | |
1169 "Invalid constant pool index %u for field signature in class file %s", | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1170 signature_index, CHECK_NULL); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1171 Symbol* sig = cp->symbol_at(signature_index); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1172 verify_legal_field_signature(name, sig, CHECK_NULL); |
0 | 1173 |
1174 u2 constantvalue_index = 0; | |
1175 bool is_synthetic = false; | |
1176 u2 generic_signature_index = 0; | |
1177 bool is_static = access_flags.is_static(); | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1178 FieldAnnotationCollector parsed_annotations; |
0 | 1179 |
1180 u2 attributes_count = cfs->get_u2_fast(); | |
1181 if (attributes_count > 0) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1182 parse_field_attributes(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1183 cp, attributes_count, is_static, signature_index, |
0 | 1184 &constantvalue_index, &is_synthetic, |
1185 &generic_signature_index, &field_annotations, | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1186 &field_type_annotations, &parsed_annotations, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1187 CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1188 if (field_annotations != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1189 if (*fields_annotations == NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1190 *fields_annotations = MetadataFactory::new_array<AnnotationArray*>( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1191 loader_data, length, NULL, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1192 CHECK_NULL); |
0 | 1193 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1194 (*fields_annotations)->at_put(n, field_annotations); |
0 | 1195 } |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1196 if (field_type_annotations != NULL) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1197 if (*fields_type_annotations == NULL) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1198 *fields_type_annotations = MetadataFactory::new_array<AnnotationArray*>( |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1199 loader_data, length, NULL, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1200 CHECK_NULL); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1201 } |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1202 (*fields_type_annotations)->at_put(n, field_type_annotations); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1203 } |
0 | 1204 if (is_synthetic) { |
1205 access_flags.set_is_synthetic(); | |
1206 } | |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1207 if (generic_signature_index != 0) { |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1208 access_flags.set_field_has_generic_signature(); |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1209 fa[generic_signature_slot] = generic_signature_index; |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1210 generic_signature_slot ++; |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1211 num_generic_signature ++; |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1212 } |
0 | 1213 } |
1214 | |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1215 FieldInfo* field = FieldInfo::from_field_array(fa, n); |
3938 | 1216 field->initialize(access_flags.as_short(), |
1217 name_index, | |
1218 signature_index, | |
1219 constantvalue_index, | |
1220 0); | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1221 if (parsed_annotations.has_any_annotations()) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1222 parsed_annotations.apply_to(field); |
3938 | 1223 |
1224 BasicType type = cp->basic_type_for_signature_at(signature_index); | |
0 | 1225 |
1226 // Remember how many oops we encountered and compute allocation type | |
3938 | 1227 FieldAllocationType atype = fac->update(is_static, type); |
0 | 1228 |
1229 // The correct offset is computed later (all oop fields will be located together) | |
1230 // We temporarily store the allocation type in the offset field | |
3938 | 1231 field->set_offset(atype); |
1232 } | |
1233 | |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1234 int index = length; |
3938 | 1235 if (num_injected != 0) { |
1236 for (int n = 0; n < num_injected; n++) { | |
1237 // Check for duplicates | |
1238 if (injected[n].may_be_java) { | |
1239 Symbol* name = injected[n].name(); | |
1240 Symbol* signature = injected[n].signature(); | |
1241 bool duplicate = false; | |
1242 for (int i = 0; i < length; i++) { | |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1243 FieldInfo* f = FieldInfo::from_field_array(fa, i); |
3938 | 1244 if (name == cp->symbol_at(f->name_index()) && |
1245 signature == cp->symbol_at(f->signature_index())) { | |
1246 // Symbol is desclared in Java so skip this one | |
1247 duplicate = true; | |
1248 break; | |
1249 } | |
1250 } | |
1251 if (duplicate) { | |
1252 // These will be removed from the field array at the end | |
1253 continue; | |
1254 } | |
1255 } | |
1256 | |
1257 // Injected field | |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1258 FieldInfo* field = FieldInfo::from_field_array(fa, index); |
3938 | 1259 field->initialize(JVM_ACC_FIELD_INTERNAL, |
1260 injected[n].name_index, | |
1261 injected[n].signature_index, | |
1262 0, | |
1263 0); | |
1264 | |
1265 BasicType type = FieldType::basic_type(injected[n].signature()); | |
1266 | |
1267 // Remember how many oops we encountered and compute allocation type | |
1268 FieldAllocationType atype = fac->update(false, type); | |
1269 | |
1270 // The correct offset is computed later (all oop fields will be located together) | |
1271 // We temporarily store the allocation type in the offset field | |
1272 field->set_offset(atype); | |
1273 index++; | |
1274 } | |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1275 } |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1276 |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1277 // Now copy the fields' data from the temporary resource array. |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1278 // Sometimes injected fields already exist in the Java source so |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1279 // the fields array could be too long. In that case the |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1280 // fields array is trimed. Also unused slots that were reserved |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1281 // for generic signature indexes are discarded. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1282 Array<u2>* fields = MetadataFactory::new_array<u2>( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1283 loader_data, index * FieldInfo::field_slots + num_generic_signature, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1284 CHECK_NULL); |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1285 { |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1286 int i = 0; |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1287 for (; i < index * FieldInfo::field_slots; i++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1288 fields->at_put(i, fa[i]); |
3938 | 1289 } |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1290 for (int j = total_fields * FieldInfo::field_slots; |
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1291 j < generic_signature_slot; j++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1292 fields->at_put(i++, fa[j]); |
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
6038
diff
changeset
|
1293 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1294 assert(i == fields->length(), ""); |
0 | 1295 } |
1296 | |
1297 if (_need_verify && length > 1) { | |
1298 // Check duplicated fields | |
1299 ResourceMark rm(THREAD); | |
1300 NameSigHash** names_and_sigs = NEW_RESOURCE_ARRAY_IN_THREAD( | |
1301 THREAD, NameSigHash*, HASH_ROW_SIZE); | |
1302 initialize_hashtable(names_and_sigs); | |
1303 bool dup = false; | |
1304 { | |
1305 debug_only(No_Safepoint_Verifier nsv;) | |
3938 | 1306 for (AllFieldStream fs(fields, cp); !fs.done(); fs.next()) { |
1307 Symbol* name = fs.name(); | |
1308 Symbol* sig = fs.signature(); | |
0 | 1309 // If no duplicates, add name/signature in hashtable names_and_sigs. |
1310 if (!put_after_lookup(name, sig, names_and_sigs)) { | |
1311 dup = true; | |
1312 break; | |
1313 } | |
1314 } | |
1315 } | |
1316 if (dup) { | |
1317 classfile_parse_error("Duplicate field name&signature in class file %s", | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1318 CHECK_NULL); |
0 | 1319 } |
1320 } | |
1321 | |
1322 return fields; | |
1323 } | |
1324 | |
1325 | |
1326 static void copy_u2_with_conversion(u2* dest, u2* src, int length) { | |
1327 while (length-- > 0) { | |
1328 *dest++ = Bytes::get_Java_u2((u1*) (src++)); | |
1329 } | |
1330 } | |
1331 | |
1332 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1333 u2* ClassFileParser::parse_exception_table(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1334 u4 code_length, |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1335 u4 exception_table_length, |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1336 constantPoolHandle cp, |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1337 TRAPS) { |
0 | 1338 ClassFileStream* cfs = stream(); |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1339 |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1340 u2* exception_table_start = cfs->get_u2_buffer(); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1341 assert(exception_table_start != NULL, "null exception table"); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1342 cfs->guarantee_more(8 * exception_table_length, CHECK_NULL); // start_pc, end_pc, handler_pc, catch_type_index |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1343 // Will check legal target after parsing code array in verifier. |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1344 if (_need_verify) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1345 for (unsigned int i = 0; i < exception_table_length; i++) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1346 u2 start_pc = cfs->get_u2_fast(); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1347 u2 end_pc = cfs->get_u2_fast(); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1348 u2 handler_pc = cfs->get_u2_fast(); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1349 u2 catch_type_index = cfs->get_u2_fast(); |
0 | 1350 guarantee_property((start_pc < end_pc) && (end_pc <= code_length), |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1351 "Illegal exception table range in class file %s", |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1352 CHECK_NULL); |
0 | 1353 guarantee_property(handler_pc < code_length, |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1354 "Illegal exception table handler in class file %s", |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1355 CHECK_NULL); |
0 | 1356 if (catch_type_index != 0) { |
1357 guarantee_property(valid_cp_range(catch_type_index, cp->length()) && | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
1358 is_klass_reference(cp, catch_type_index), |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1359 "Catch type in exception table has bad constant type in class file %s", CHECK_NULL); |
0 | 1360 } |
1361 } | |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1362 } else { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1363 cfs->skip_u2_fast(exception_table_length * 4); |
0 | 1364 } |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1365 return exception_table_start; |
0 | 1366 } |
1367 | |
1368 void ClassFileParser::parse_linenumber_table( | |
1369 u4 code_attribute_length, u4 code_length, | |
1370 CompressedLineNumberWriteStream** write_stream, TRAPS) { | |
1371 ClassFileStream* cfs = stream(); | |
1372 unsigned int num_entries = cfs->get_u2(CHECK); | |
1373 | |
1374 // Each entry is a u2 start_pc, and a u2 line_number | |
1375 unsigned int length_in_bytes = num_entries * (sizeof(u2) + sizeof(u2)); | |
1376 | |
1377 // Verify line number attribute and table length | |
1378 check_property( | |
1379 code_attribute_length == sizeof(u2) + length_in_bytes, | |
1380 "LineNumberTable attribute has wrong length in class file %s", CHECK); | |
1381 | |
1382 cfs->guarantee_more(length_in_bytes, CHECK); | |
1383 | |
1384 if ((*write_stream) == NULL) { | |
1385 if (length_in_bytes > fixed_buffer_size) { | |
1386 (*write_stream) = new CompressedLineNumberWriteStream(length_in_bytes); | |
1387 } else { | |
1388 (*write_stream) = new CompressedLineNumberWriteStream( | |
1389 linenumbertable_buffer, fixed_buffer_size); | |
1390 } | |
1391 } | |
1392 | |
1393 while (num_entries-- > 0) { | |
1394 u2 bci = cfs->get_u2_fast(); // start_pc | |
1395 u2 line = cfs->get_u2_fast(); // line_number | |
1396 guarantee_property(bci < code_length, | |
1397 "Invalid pc in LineNumberTable in class file %s", CHECK); | |
1398 (*write_stream)->write_pair(bci, line); | |
1399 } | |
1400 } | |
1401 | |
1402 | |
1403 // Class file LocalVariableTable elements. | |
1404 class Classfile_LVT_Element VALUE_OBJ_CLASS_SPEC { | |
1405 public: | |
1406 u2 start_bci; | |
1407 u2 length; | |
1408 u2 name_cp_index; | |
1409 u2 descriptor_cp_index; | |
1410 u2 slot; | |
1411 }; | |
1412 | |
1413 | |
6197 | 1414 class LVT_Hash: public CHeapObj<mtClass> { |
0 | 1415 public: |
1416 LocalVariableTableElement *_elem; // element | |
1417 LVT_Hash* _next; // Next entry in hash table | |
1418 }; | |
1419 | |
1420 unsigned int hash(LocalVariableTableElement *elem) { | |
1421 unsigned int raw_hash = elem->start_bci; | |
1422 | |
1423 raw_hash = elem->length + raw_hash * 37; | |
1424 raw_hash = elem->name_cp_index + raw_hash * 37; | |
1425 raw_hash = elem->slot + raw_hash * 37; | |
1426 | |
1427 return raw_hash % HASH_ROW_SIZE; | |
1428 } | |
1429 | |
1430 void initialize_hashtable(LVT_Hash** table) { | |
1431 for (int i = 0; i < HASH_ROW_SIZE; i++) { | |
1432 table[i] = NULL; | |
1433 } | |
1434 } | |
1435 | |
1436 void clear_hashtable(LVT_Hash** table) { | |
1437 for (int i = 0; i < HASH_ROW_SIZE; i++) { | |
1438 LVT_Hash* current = table[i]; | |
1439 LVT_Hash* next; | |
1440 while (current != NULL) { | |
1441 next = current->_next; | |
1442 current->_next = NULL; | |
1443 delete(current); | |
1444 current = next; | |
1445 } | |
1446 table[i] = NULL; | |
1447 } | |
1448 } | |
1449 | |
1450 LVT_Hash* LVT_lookup(LocalVariableTableElement *elem, int index, LVT_Hash** table) { | |
1451 LVT_Hash* entry = table[index]; | |
1452 | |
1453 /* | |
1454 * 3-tuple start_bci/length/slot has to be unique key, | |
1455 * so the following comparison seems to be redundant: | |
1456 * && elem->name_cp_index == entry->_elem->name_cp_index | |
1457 */ | |
1458 while (entry != NULL) { | |
1459 if (elem->start_bci == entry->_elem->start_bci | |
1460 && elem->length == entry->_elem->length | |
1461 && elem->name_cp_index == entry->_elem->name_cp_index | |
1462 && elem->slot == entry->_elem->slot | |
1463 ) { | |
1464 return entry; | |
1465 } | |
1466 entry = entry->_next; | |
1467 } | |
1468 return NULL; | |
1469 } | |
1470 | |
1471 // Return false if the local variable is found in table. | |
1472 // Return true if no duplicate is found. | |
1473 // And local variable is added as a new entry in table. | |
1474 bool LVT_put_after_lookup(LocalVariableTableElement *elem, LVT_Hash** table) { | |
1475 // First lookup for duplicates | |
1476 int index = hash(elem); | |
1477 LVT_Hash* entry = LVT_lookup(elem, index, table); | |
1478 | |
1479 if (entry != NULL) { | |
1480 return false; | |
1481 } | |
1482 // No duplicate is found, allocate a new entry and fill it. | |
1483 if ((entry = new LVT_Hash()) == NULL) { | |
1484 return false; | |
1485 } | |
1486 entry->_elem = elem; | |
1487 | |
1488 // Insert into hash table | |
1489 entry->_next = table[index]; | |
1490 table[index] = entry; | |
1491 | |
1492 return true; | |
1493 } | |
1494 | |
1495 void copy_lvt_element(Classfile_LVT_Element *src, LocalVariableTableElement *lvt) { | |
1496 lvt->start_bci = Bytes::get_Java_u2((u1*) &src->start_bci); | |
1497 lvt->length = Bytes::get_Java_u2((u1*) &src->length); | |
1498 lvt->name_cp_index = Bytes::get_Java_u2((u1*) &src->name_cp_index); | |
1499 lvt->descriptor_cp_index = Bytes::get_Java_u2((u1*) &src->descriptor_cp_index); | |
1500 lvt->signature_cp_index = 0; | |
1501 lvt->slot = Bytes::get_Java_u2((u1*) &src->slot); | |
1502 } | |
1503 | |
1504 // Function is used to parse both attributes: | |
1505 // LocalVariableTable (LVT) and LocalVariableTypeTable (LVTT) | |
1506 u2* ClassFileParser::parse_localvariable_table(u4 code_length, | |
1507 u2 max_locals, | |
1508 u4 code_attribute_length, | |
1509 constantPoolHandle cp, | |
1510 u2* localvariable_table_length, | |
1511 bool isLVTT, | |
1512 TRAPS) { | |
1513 ClassFileStream* cfs = stream(); | |
1514 const char * tbl_name = (isLVTT) ? "LocalVariableTypeTable" : "LocalVariableTable"; | |
1515 *localvariable_table_length = cfs->get_u2(CHECK_NULL); | |
1516 unsigned int size = (*localvariable_table_length) * sizeof(Classfile_LVT_Element) / sizeof(u2); | |
1517 // Verify local variable table attribute has right length | |
1518 if (_need_verify) { | |
1519 guarantee_property(code_attribute_length == (sizeof(*localvariable_table_length) + size * sizeof(u2)), | |
1520 "%s has wrong length in class file %s", tbl_name, CHECK_NULL); | |
1521 } | |
1522 u2* localvariable_table_start = cfs->get_u2_buffer(); | |
1523 assert(localvariable_table_start != NULL, "null local variable table"); | |
1524 if (!_need_verify) { | |
1525 cfs->skip_u2_fast(size); | |
1526 } else { | |
1527 cfs->guarantee_more(size * 2, CHECK_NULL); | |
1528 for(int i = 0; i < (*localvariable_table_length); i++) { | |
1529 u2 start_pc = cfs->get_u2_fast(); | |
1530 u2 length = cfs->get_u2_fast(); | |
1531 u2 name_index = cfs->get_u2_fast(); | |
1532 u2 descriptor_index = cfs->get_u2_fast(); | |
1533 u2 index = cfs->get_u2_fast(); | |
1534 // Assign to a u4 to avoid overflow | |
1535 u4 end_pc = (u4)start_pc + (u4)length; | |
1536 | |
1537 if (start_pc >= code_length) { | |
1538 classfile_parse_error( | |
1539 "Invalid start_pc %u in %s in class file %s", | |
1540 start_pc, tbl_name, CHECK_NULL); | |
1541 } | |
1542 if (end_pc > code_length) { | |
1543 classfile_parse_error( | |
1544 "Invalid length %u in %s in class file %s", | |
1545 length, tbl_name, CHECK_NULL); | |
1546 } | |
1547 int cp_size = cp->length(); | |
1548 guarantee_property( | |
1549 valid_cp_range(name_index, cp_size) && | |
1550 cp->tag_at(name_index).is_utf8(), | |
1551 "Name index %u in %s has bad constant type in class file %s", | |
1552 name_index, tbl_name, CHECK_NULL); | |
1553 guarantee_property( | |
1554 valid_cp_range(descriptor_index, cp_size) && | |
1555 cp->tag_at(descriptor_index).is_utf8(), | |
1556 "Signature index %u in %s has bad constant type in class file %s", | |
1557 descriptor_index, tbl_name, CHECK_NULL); | |
1558 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1559 Symbol* name = cp->symbol_at(name_index); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1560 Symbol* sig = cp->symbol_at(descriptor_index); |
0 | 1561 verify_legal_field_name(name, CHECK_NULL); |
1562 u2 extra_slot = 0; | |
1563 if (!isLVTT) { | |
1564 verify_legal_field_signature(name, sig, CHECK_NULL); | |
1565 | |
1566 // 4894874: check special cases for double and long local variables | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1567 if (sig == vmSymbols::type_signature(T_DOUBLE) || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1568 sig == vmSymbols::type_signature(T_LONG)) { |
0 | 1569 extra_slot = 1; |
1570 } | |
1571 } | |
1572 guarantee_property((index + extra_slot) < max_locals, | |
1573 "Invalid index %u in %s in class file %s", | |
1574 index, tbl_name, CHECK_NULL); | |
1575 } | |
1576 } | |
1577 return localvariable_table_start; | |
1578 } | |
1579 | |
1580 | |
1581 void ClassFileParser::parse_type_array(u2 array_length, u4 code_length, u4* u1_index, u4* u2_index, | |
1582 u1* u1_array, u2* u2_array, constantPoolHandle cp, TRAPS) { | |
1583 ClassFileStream* cfs = stream(); | |
1584 u2 index = 0; // index in the array with long/double occupying two slots | |
1585 u4 i1 = *u1_index; | |
1586 u4 i2 = *u2_index + 1; | |
1587 for(int i = 0; i < array_length; i++) { | |
1588 u1 tag = u1_array[i1++] = cfs->get_u1(CHECK); | |
1589 index++; | |
1590 if (tag == ITEM_Long || tag == ITEM_Double) { | |
1591 index++; | |
1592 } else if (tag == ITEM_Object) { | |
1593 u2 class_index = u2_array[i2++] = cfs->get_u2(CHECK); | |
1594 guarantee_property(valid_cp_range(class_index, cp->length()) && | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
1595 is_klass_reference(cp, class_index), |
0 | 1596 "Bad class index %u in StackMap in class file %s", |
1597 class_index, CHECK); | |
1598 } else if (tag == ITEM_Uninitialized) { | |
1599 u2 offset = u2_array[i2++] = cfs->get_u2(CHECK); | |
1600 guarantee_property( | |
1601 offset < code_length, | |
1602 "Bad uninitialized type offset %u in StackMap in class file %s", | |
1603 offset, CHECK); | |
1604 } else { | |
1605 guarantee_property( | |
1606 tag <= (u1)ITEM_Uninitialized, | |
1607 "Unknown variable type %u in StackMap in class file %s", | |
1608 tag, CHECK); | |
1609 } | |
1610 } | |
1611 u2_array[*u2_index] = index; | |
1612 *u1_index = i1; | |
1613 *u2_index = i2; | |
1614 } | |
1615 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1616 Array<u1>* ClassFileParser::parse_stackmap_table( |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1617 ClassLoaderData* loader_data, |
0 | 1618 u4 code_attribute_length, TRAPS) { |
1619 if (code_attribute_length == 0) | |
1620 return NULL; | |
1621 | |
1622 ClassFileStream* cfs = stream(); | |
1623 u1* stackmap_table_start = cfs->get_u1_buffer(); | |
1624 assert(stackmap_table_start != NULL, "null stackmap table"); | |
1625 | |
1626 // check code_attribute_length first | |
1627 stream()->skip_u1(code_attribute_length, CHECK_NULL); | |
1628 | |
1629 if (!_need_verify && !DumpSharedSpaces) { | |
1630 return NULL; | |
1631 } | |
1632 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1633 Array<u1>* stackmap_data = |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1634 MetadataFactory::new_array<u1>(loader_data, code_attribute_length, 0, CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1635 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1636 memcpy((void*)stackmap_data->adr_at(0), |
0 | 1637 (void*)stackmap_table_start, code_attribute_length); |
1638 return stackmap_data; | |
1639 } | |
1640 | |
1641 u2* ClassFileParser::parse_checked_exceptions(u2* checked_exceptions_length, | |
1642 u4 method_attribute_length, | |
1643 constantPoolHandle cp, TRAPS) { | |
1644 ClassFileStream* cfs = stream(); | |
1645 cfs->guarantee_more(2, CHECK_NULL); // checked_exceptions_length | |
1646 *checked_exceptions_length = cfs->get_u2_fast(); | |
1647 unsigned int size = (*checked_exceptions_length) * sizeof(CheckedExceptionElement) / sizeof(u2); | |
1648 u2* checked_exceptions_start = cfs->get_u2_buffer(); | |
1649 assert(checked_exceptions_start != NULL, "null checked exceptions"); | |
1650 if (!_need_verify) { | |
1651 cfs->skip_u2_fast(size); | |
1652 } else { | |
1653 // Verify each value in the checked exception table | |
1654 u2 checked_exception; | |
1655 u2 len = *checked_exceptions_length; | |
1656 cfs->guarantee_more(2 * len, CHECK_NULL); | |
1657 for (int i = 0; i < len; i++) { | |
1658 checked_exception = cfs->get_u2_fast(); | |
1659 check_property( | |
1660 valid_cp_range(checked_exception, cp->length()) && | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
1661 is_klass_reference(cp, checked_exception), |
0 | 1662 "Exception name has bad type at constant pool %u in class file %s", |
1663 checked_exception, CHECK_NULL); | |
1664 } | |
1665 } | |
1666 // check exceptions attribute length | |
1667 if (_need_verify) { | |
1668 guarantee_property(method_attribute_length == (sizeof(*checked_exceptions_length) + | |
1669 sizeof(u2) * size), | |
1670 "Exceptions attribute has wrong length in class file %s", CHECK_NULL); | |
1671 } | |
1672 return checked_exceptions_start; | |
1673 } | |
1674 | |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
1675 void ClassFileParser::throwIllegalSignature( |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1676 const char* type, Symbol* name, Symbol* sig, TRAPS) { |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
1677 ResourceMark rm(THREAD); |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
1678 Exceptions::fthrow(THREAD_AND_LOCATION, |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
1679 vmSymbols::java_lang_ClassFormatError(), |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
1680 "%s \"%s\" in class %s has illegal signature \"%s\"", type, |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
1681 name->as_C_string(), _class_name->as_C_string(), sig->as_C_string()); |
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
1682 } |
0 | 1683 |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1684 // Skip an annotation. Return >=limit if there is any problem. |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1685 int ClassFileParser::skip_annotation(u1* buffer, int limit, int index) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1686 // annotation := atype:u2 do(nmem:u2) {member:u2 value} |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1687 // value := switch (tag:u1) { ... } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1688 index += 2; // skip atype |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1689 if ((index += 2) >= limit) return limit; // read nmem |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1690 int nmem = Bytes::get_Java_u2(buffer+index-2); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1691 while (--nmem >= 0 && index < limit) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1692 index += 2; // skip member |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1693 index = skip_annotation_value(buffer, limit, index); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1694 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1695 return index; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1696 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1697 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1698 // Skip an annotation value. Return >=limit if there is any problem. |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1699 int ClassFileParser::skip_annotation_value(u1* buffer, int limit, int index) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1700 // value := switch (tag:u1) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1701 // case B, C, I, S, Z, D, F, J, c: con:u2; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1702 // case e: e_class:u2 e_name:u2; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1703 // case s: s_con:u2; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1704 // case [: do(nval:u2) {value}; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1705 // case @: annotation; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1706 // case s: s_con:u2; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1707 // } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1708 if ((index += 1) >= limit) return limit; // read tag |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1709 u1 tag = buffer[index-1]; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1710 switch (tag) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1711 case 'B': case 'C': case 'I': case 'S': case 'Z': |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1712 case 'D': case 'F': case 'J': case 'c': case 's': |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1713 index += 2; // skip con or s_con |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1714 break; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1715 case 'e': |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1716 index += 4; // skip e_class, e_name |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1717 break; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1718 case '[': |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1719 { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1720 if ((index += 2) >= limit) return limit; // read nval |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1721 int nval = Bytes::get_Java_u2(buffer+index-2); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1722 while (--nval >= 0 && index < limit) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1723 index = skip_annotation_value(buffer, limit, index); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1724 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1725 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1726 break; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1727 case '@': |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1728 index = skip_annotation(buffer, limit, index); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1729 break; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1730 default: |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1731 assert(false, "annotation tag"); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1732 return limit; // bad tag byte |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1733 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1734 return index; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1735 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1736 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1737 // Sift through annotations, looking for those significant to the VM: |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1738 void ClassFileParser::parse_annotations(u1* buffer, int limit, |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1739 constantPoolHandle cp, |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1740 ClassFileParser::AnnotationCollector* coll, |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1741 TRAPS) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1742 // annotations := do(nann:u2) {annotation} |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1743 int index = 0; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1744 if ((index += 2) >= limit) return; // read nann |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1745 int nann = Bytes::get_Java_u2(buffer+index-2); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1746 enum { // initial annotation layout |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1747 atype_off = 0, // utf8 such as 'Ljava/lang/annotation/Retention;' |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1748 count_off = 2, // u2 such as 1 (one value) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1749 member_off = 4, // utf8 such as 'value' |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1750 tag_off = 6, // u1 such as 'c' (type) or 'e' (enum) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1751 e_tag_val = 'e', |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1752 e_type_off = 7, // utf8 such as 'Ljava/lang/annotation/RetentionPolicy;' |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1753 e_con_off = 9, // utf8 payload, such as 'SOURCE', 'CLASS', 'RUNTIME' |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1754 e_size = 11, // end of 'e' annotation |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1755 c_tag_val = 'c', |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1756 c_con_off = 7, // utf8 payload, such as 'I' or 'Ljava/lang/String;' |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1757 c_size = 9, // end of 'c' annotation |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1758 min_size = 6 // smallest possible size (zero members) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1759 }; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1760 while ((--nann) >= 0 && (index-2 + min_size <= limit)) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1761 int index0 = index; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1762 index = skip_annotation(buffer, limit, index); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1763 u1* abase = buffer + index0; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1764 int atype = Bytes::get_Java_u2(abase + atype_off); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1765 int count = Bytes::get_Java_u2(abase + count_off); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1766 Symbol* aname = check_symbol_at(cp, atype); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1767 if (aname == NULL) break; // invalid annotation name |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1768 Symbol* member = NULL; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1769 if (count >= 1) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1770 int member_index = Bytes::get_Java_u2(abase + member_off); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1771 member = check_symbol_at(cp, member_index); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1772 if (member == NULL) break; // invalid member name |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1773 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1774 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1775 // Here is where parsing particular annotations will take place. |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1776 AnnotationCollector::ID id = coll->annotation_index(aname); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1777 if (id == AnnotationCollector::_unknown) continue; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1778 coll->set_annotation(id); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1779 // If there are no values, just set the bit and move on: |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1780 if (count == 0) continue; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1781 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1782 // For the record, here is how annotation payloads can be collected. |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1783 // Suppose we want to capture @Retention.value. Here is how: |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1784 //if (id == AnnotationCollector::_class_Retention) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1785 // Symbol* payload = NULL; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1786 // if (count == 1 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1787 // && e_size == (index0 - index) // match size |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1788 // && e_tag_val == *(abase + tag_off) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1789 // && (check_symbol_at(cp, Bytes::get_Java_u2(abase + e_type_off)) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1790 // == vmSymbols::RetentionPolicy_signature()) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1791 // && member == vmSymbols::value_name()) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1792 // payload = check_symbol_at(cp, Bytes::get_Java_u2(abase + e_con_off)); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1793 // } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1794 // check_property(payload != NULL, |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1795 // "Invalid @Retention annotation at offset %u in class file %s", |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1796 // index0, CHECK); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1797 // if (payload != NULL) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1798 // payload->increment_refcount(); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1799 // coll->_class_RetentionPolicy = payload; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1800 // } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1801 //} |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1802 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1803 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1804 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1805 ClassFileParser::AnnotationCollector::ID ClassFileParser::AnnotationCollector::annotation_index(Symbol* name) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1806 vmSymbols::SID sid = vmSymbols::find_sid(name); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1807 switch (sid) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1808 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_ForceInline_signature): |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1809 if (_location != _in_method) break; // only allow for methods |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1810 return _method_ForceInline; |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1811 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_DontInline_signature): |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1812 if (_location != _in_method) break; // only allow for methods |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1813 return _method_DontInline; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1814 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_LambdaForm_Compiled_signature): |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1815 if (_location != _in_method) break; // only allow for methods |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1816 return _method_LambdaForm_Compiled; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1817 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_LambdaForm_Hidden_signature): |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1818 if (_location != _in_method) break; // only allow for methods |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1819 return _method_LambdaForm_Hidden; |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1820 default: break; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1821 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1822 return AnnotationCollector::_unknown; |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1823 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1824 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1825 void ClassFileParser::FieldAnnotationCollector::apply_to(FieldInfo* f) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1826 fatal("no field annotations yet"); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1827 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1828 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1829 void ClassFileParser::MethodAnnotationCollector::apply_to(methodHandle m) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1830 if (has_annotation(_method_ForceInline)) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1831 m->set_force_inline(true); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1832 if (has_annotation(_method_DontInline)) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1833 m->set_dont_inline(true); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1834 if (has_annotation(_method_LambdaForm_Compiled) && m->intrinsic_id() == vmIntrinsics::_none) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1835 m->set_intrinsic_id(vmIntrinsics::_compiledLambdaForm); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1836 if (has_annotation(_method_LambdaForm_Hidden)) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
1837 m->set_hidden(true); |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1838 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1839 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1840 void ClassFileParser::ClassAnnotationCollector::apply_to(instanceKlassHandle k) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1841 fatal("no class annotations yet"); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1842 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1843 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1844 |
0 | 1845 #define MAX_ARGS_SIZE 255 |
1846 #define MAX_CODE_SIZE 65535 | |
1847 #define INITIAL_MAX_LVT_NUMBER 256 | |
1848 | |
1849 // Note: the parse_method below is big and clunky because all parsing of the code and exceptions | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1850 // attribute is inlined. This is cumbersome to avoid since we inline most of the parts in the |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1851 // Method* to save footprint, so we only know the size of the resulting Method* when the |
0 | 1852 // entire method attribute is parsed. |
1853 // | |
1854 // The promoted_flags parameter is used to pass relevant access_flags | |
1855 // from the method back up to the containing klass. These flag values | |
1856 // are added to klass's access_flags. | |
1857 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1858 methodHandle ClassFileParser::parse_method(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1859 constantPoolHandle cp, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1860 bool is_interface, |
0 | 1861 AccessFlags *promoted_flags, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1862 AnnotationArray** method_annotations, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1863 AnnotationArray** method_parameter_annotations, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1864 AnnotationArray** method_default_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1865 AnnotationArray** method_type_annotations, |
0 | 1866 TRAPS) { |
1867 ClassFileStream* cfs = stream(); | |
1868 methodHandle nullHandle; | |
1869 ResourceMark rm(THREAD); | |
1870 // Parse fixed parts | |
1871 cfs->guarantee_more(8, CHECK_(nullHandle)); // access_flags, name_index, descriptor_index, attributes_count | |
1872 | |
1873 int flags = cfs->get_u2_fast(); | |
1874 u2 name_index = cfs->get_u2_fast(); | |
1875 int cp_size = cp->length(); | |
1876 check_property( | |
1877 valid_cp_range(name_index, cp_size) && | |
1878 cp->tag_at(name_index).is_utf8(), | |
1879 "Illegal constant pool index %u for method name in class file %s", | |
1880 name_index, CHECK_(nullHandle)); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1881 Symbol* name = cp->symbol_at(name_index); |
0 | 1882 verify_legal_method_name(name, CHECK_(nullHandle)); |
1883 | |
1884 u2 signature_index = cfs->get_u2_fast(); | |
1885 guarantee_property( | |
1886 valid_cp_range(signature_index, cp_size) && | |
1887 cp->tag_at(signature_index).is_utf8(), | |
1888 "Illegal constant pool index %u for method signature in class file %s", | |
1889 signature_index, CHECK_(nullHandle)); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1890 Symbol* signature = cp->symbol_at(signature_index); |
0 | 1891 |
1892 AccessFlags access_flags; | |
1893 if (name == vmSymbols::class_initializer_name()) { | |
2334
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2226
diff
changeset
|
1894 // We ignore the other access flags for a valid class initializer. |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2226
diff
changeset
|
1895 // (JVM Spec 2nd ed., chapter 4.6) |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2226
diff
changeset
|
1896 if (_major_version < 51) { // backward compatibility |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2226
diff
changeset
|
1897 flags = JVM_ACC_STATIC; |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2226
diff
changeset
|
1898 } else if ((flags & JVM_ACC_STATIC) == JVM_ACC_STATIC) { |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2226
diff
changeset
|
1899 flags &= JVM_ACC_STATIC | JVM_ACC_STRICT; |
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2226
diff
changeset
|
1900 } |
0 | 1901 } else { |
1902 verify_legal_method_modifiers(flags, is_interface, name, CHECK_(nullHandle)); | |
1903 } | |
1904 | |
1905 int args_size = -1; // only used when _need_verify is true | |
1906 if (_need_verify) { | |
1907 args_size = ((flags & JVM_ACC_STATIC) ? 0 : 1) + | |
1908 verify_legal_method_signature(name, signature, CHECK_(nullHandle)); | |
1909 if (args_size > MAX_ARGS_SIZE) { | |
1910 classfile_parse_error("Too many arguments in method signature in class file %s", CHECK_(nullHandle)); | |
1911 } | |
1912 } | |
1913 | |
1914 access_flags.set_flags(flags & JVM_RECOGNIZED_METHOD_MODIFIERS); | |
1915 | |
1916 // Default values for code and exceptions attribute elements | |
1917 u2 max_stack = 0; | |
1918 u2 max_locals = 0; | |
1919 u4 code_length = 0; | |
1920 u1* code_start = 0; | |
1921 u2 exception_table_length = 0; | |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
1922 u2* exception_table_start = NULL; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1923 Array<int>* exception_handlers = Universe::the_empty_int_array(); |
0 | 1924 u2 checked_exceptions_length = 0; |
1925 u2* checked_exceptions_start = NULL; | |
1926 CompressedLineNumberWriteStream* linenumber_table = NULL; | |
1927 int linenumber_table_length = 0; | |
1928 int total_lvt_length = 0; | |
1929 u2 lvt_cnt = 0; | |
1930 u2 lvtt_cnt = 0; | |
1931 bool lvt_allocated = false; | |
1932 u2 max_lvt_cnt = INITIAL_MAX_LVT_NUMBER; | |
1933 u2 max_lvtt_cnt = INITIAL_MAX_LVT_NUMBER; | |
1934 u2* localvariable_table_length; | |
1935 u2** localvariable_table_start; | |
1936 u2* localvariable_type_table_length; | |
1937 u2** localvariable_type_table_start; | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1938 u2 method_parameters_length = 0; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
1939 u1* method_parameters_data = NULL; |
0 | 1940 bool parsed_code_attribute = false; |
1941 bool parsed_checked_exceptions_attribute = false; | |
1942 bool parsed_stackmap_attribute = false; | |
1943 // stackmap attribute - JDK1.5 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1944 Array<u1>* stackmap_data = NULL; |
0 | 1945 u2 generic_signature_index = 0; |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
1946 MethodAnnotationCollector parsed_annotations; |
0 | 1947 u1* runtime_visible_annotations = NULL; |
1948 int runtime_visible_annotations_length = 0; | |
1949 u1* runtime_invisible_annotations = NULL; | |
1950 int runtime_invisible_annotations_length = 0; | |
1951 u1* runtime_visible_parameter_annotations = NULL; | |
1952 int runtime_visible_parameter_annotations_length = 0; | |
1953 u1* runtime_invisible_parameter_annotations = NULL; | |
1954 int runtime_invisible_parameter_annotations_length = 0; | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1955 u1* runtime_visible_type_annotations = NULL; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1956 int runtime_visible_type_annotations_length = 0; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1957 u1* runtime_invisible_type_annotations = NULL; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
1958 int runtime_invisible_type_annotations_length = 0; |
0 | 1959 u1* annotation_default = NULL; |
1960 int annotation_default_length = 0; | |
1961 | |
1962 // Parse code and exceptions attribute | |
1963 u2 method_attributes_count = cfs->get_u2_fast(); | |
1964 while (method_attributes_count--) { | |
1965 cfs->guarantee_more(6, CHECK_(nullHandle)); // method_attribute_name_index, method_attribute_length | |
1966 u2 method_attribute_name_index = cfs->get_u2_fast(); | |
1967 u4 method_attribute_length = cfs->get_u4_fast(); | |
1968 check_property( | |
1969 valid_cp_range(method_attribute_name_index, cp_size) && | |
1970 cp->tag_at(method_attribute_name_index).is_utf8(), | |
1971 "Invalid method attribute name index %u in class file %s", | |
1972 method_attribute_name_index, CHECK_(nullHandle)); | |
1973 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
1974 Symbol* method_attribute_name = cp->symbol_at(method_attribute_name_index); |
0 | 1975 if (method_attribute_name == vmSymbols::tag_code()) { |
1976 // Parse Code attribute | |
1977 if (_need_verify) { | |
6934 | 1978 guarantee_property( |
1979 !access_flags.is_native() && !access_flags.is_abstract(), | |
0 | 1980 "Code attribute in native or abstract methods in class file %s", |
1981 CHECK_(nullHandle)); | |
1982 } | |
1983 if (parsed_code_attribute) { | |
1984 classfile_parse_error("Multiple Code attributes in class file %s", CHECK_(nullHandle)); | |
1985 } | |
1986 parsed_code_attribute = true; | |
1987 | |
1988 // Stack size, locals size, and code size | |
1989 if (_major_version == 45 && _minor_version <= 2) { | |
1990 cfs->guarantee_more(4, CHECK_(nullHandle)); | |
1991 max_stack = cfs->get_u1_fast(); | |
1992 max_locals = cfs->get_u1_fast(); | |
1993 code_length = cfs->get_u2_fast(); | |
1994 } else { | |
1995 cfs->guarantee_more(8, CHECK_(nullHandle)); | |
1996 max_stack = cfs->get_u2_fast(); | |
1997 max_locals = cfs->get_u2_fast(); | |
1998 code_length = cfs->get_u4_fast(); | |
1999 } | |
2000 if (_need_verify) { | |
2001 guarantee_property(args_size <= max_locals, | |
2002 "Arguments can't fit into locals in class file %s", CHECK_(nullHandle)); | |
2003 guarantee_property(code_length > 0 && code_length <= MAX_CODE_SIZE, | |
2004 "Invalid method Code length %u in class file %s", | |
2005 code_length, CHECK_(nullHandle)); | |
2006 } | |
2007 // Code pointer | |
2008 code_start = cfs->get_u1_buffer(); | |
2009 assert(code_start != NULL, "null code start"); | |
2010 cfs->guarantee_more(code_length, CHECK_(nullHandle)); | |
2011 cfs->skip_u1_fast(code_length); | |
2012 | |
2013 // Exception handler table | |
2014 cfs->guarantee_more(2, CHECK_(nullHandle)); // exception_table_length | |
2015 exception_table_length = cfs->get_u2_fast(); | |
2016 if (exception_table_length > 0) { | |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
2017 exception_table_start = |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2018 parse_exception_table(loader_data, code_length, exception_table_length, cp, CHECK_(nullHandle)); |
0 | 2019 } |
2020 | |
2021 // Parse additional attributes in code attribute | |
2022 cfs->guarantee_more(2, CHECK_(nullHandle)); // code_attributes_count | |
2023 u2 code_attributes_count = cfs->get_u2_fast(); | |
92
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2024 |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2025 unsigned int calculated_attribute_length = 0; |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2026 |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2027 if (_major_version > 45 || (_major_version == 45 && _minor_version > 2)) { |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2028 calculated_attribute_length = |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2029 sizeof(max_stack) + sizeof(max_locals) + sizeof(code_length); |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2030 } else { |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2031 // max_stack, locals and length are smaller in pre-version 45.2 classes |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2032 calculated_attribute_length = sizeof(u1) + sizeof(u1) + sizeof(u2); |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2033 } |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2034 calculated_attribute_length += |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2035 code_length + |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2036 sizeof(exception_table_length) + |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2037 sizeof(code_attributes_count) + |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2038 exception_table_length * |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2039 ( sizeof(u2) + // start_pc |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2040 sizeof(u2) + // end_pc |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2041 sizeof(u2) + // handler_pc |
ebec5b9731e2
6615981: JVM class file parser incorrectly rejects class files with version < 45.2
kamg
parents:
0
diff
changeset
|
2042 sizeof(u2) ); // catch_type_index |
0 | 2043 |
2044 while (code_attributes_count--) { | |
2045 cfs->guarantee_more(6, CHECK_(nullHandle)); // code_attribute_name_index, code_attribute_length | |
2046 u2 code_attribute_name_index = cfs->get_u2_fast(); | |
2047 u4 code_attribute_length = cfs->get_u4_fast(); | |
2048 calculated_attribute_length += code_attribute_length + | |
2049 sizeof(code_attribute_name_index) + | |
2050 sizeof(code_attribute_length); | |
2051 check_property(valid_cp_range(code_attribute_name_index, cp_size) && | |
2052 cp->tag_at(code_attribute_name_index).is_utf8(), | |
2053 "Invalid code attribute name index %u in class file %s", | |
2054 code_attribute_name_index, | |
2055 CHECK_(nullHandle)); | |
2056 if (LoadLineNumberTables && | |
2057 cp->symbol_at(code_attribute_name_index) == vmSymbols::tag_line_number_table()) { | |
2058 // Parse and compress line number table | |
2059 parse_linenumber_table(code_attribute_length, code_length, | |
2060 &linenumber_table, CHECK_(nullHandle)); | |
2061 | |
2062 } else if (LoadLocalVariableTables && | |
2063 cp->symbol_at(code_attribute_name_index) == vmSymbols::tag_local_variable_table()) { | |
2064 // Parse local variable table | |
2065 if (!lvt_allocated) { | |
2066 localvariable_table_length = NEW_RESOURCE_ARRAY_IN_THREAD( | |
2067 THREAD, u2, INITIAL_MAX_LVT_NUMBER); | |
2068 localvariable_table_start = NEW_RESOURCE_ARRAY_IN_THREAD( | |
2069 THREAD, u2*, INITIAL_MAX_LVT_NUMBER); | |
2070 localvariable_type_table_length = NEW_RESOURCE_ARRAY_IN_THREAD( | |
2071 THREAD, u2, INITIAL_MAX_LVT_NUMBER); | |
2072 localvariable_type_table_start = NEW_RESOURCE_ARRAY_IN_THREAD( | |
2073 THREAD, u2*, INITIAL_MAX_LVT_NUMBER); | |
2074 lvt_allocated = true; | |
2075 } | |
2076 if (lvt_cnt == max_lvt_cnt) { | |
2077 max_lvt_cnt <<= 1; | |
2078 REALLOC_RESOURCE_ARRAY(u2, localvariable_table_length, lvt_cnt, max_lvt_cnt); | |
2079 REALLOC_RESOURCE_ARRAY(u2*, localvariable_table_start, lvt_cnt, max_lvt_cnt); | |
2080 } | |
2081 localvariable_table_start[lvt_cnt] = | |
2082 parse_localvariable_table(code_length, | |
2083 max_locals, | |
2084 code_attribute_length, | |
2085 cp, | |
2086 &localvariable_table_length[lvt_cnt], | |
2087 false, // is not LVTT | |
2088 CHECK_(nullHandle)); | |
2089 total_lvt_length += localvariable_table_length[lvt_cnt]; | |
2090 lvt_cnt++; | |
2091 } else if (LoadLocalVariableTypeTables && | |
2092 _major_version >= JAVA_1_5_VERSION && | |
2093 cp->symbol_at(code_attribute_name_index) == vmSymbols::tag_local_variable_type_table()) { | |
2094 if (!lvt_allocated) { | |
2095 localvariable_table_length = NEW_RESOURCE_ARRAY_IN_THREAD( | |
2096 THREAD, u2, INITIAL_MAX_LVT_NUMBER); | |
2097 localvariable_table_start = NEW_RESOURCE_ARRAY_IN_THREAD( | |
2098 THREAD, u2*, INITIAL_MAX_LVT_NUMBER); | |
2099 localvariable_type_table_length = NEW_RESOURCE_ARRAY_IN_THREAD( | |
2100 THREAD, u2, INITIAL_MAX_LVT_NUMBER); | |
2101 localvariable_type_table_start = NEW_RESOURCE_ARRAY_IN_THREAD( | |
2102 THREAD, u2*, INITIAL_MAX_LVT_NUMBER); | |
2103 lvt_allocated = true; | |
2104 } | |
2105 // Parse local variable type table | |
2106 if (lvtt_cnt == max_lvtt_cnt) { | |
2107 max_lvtt_cnt <<= 1; | |
2108 REALLOC_RESOURCE_ARRAY(u2, localvariable_type_table_length, lvtt_cnt, max_lvtt_cnt); | |
2109 REALLOC_RESOURCE_ARRAY(u2*, localvariable_type_table_start, lvtt_cnt, max_lvtt_cnt); | |
2110 } | |
2111 localvariable_type_table_start[lvtt_cnt] = | |
2112 parse_localvariable_table(code_length, | |
2113 max_locals, | |
2114 code_attribute_length, | |
2115 cp, | |
2116 &localvariable_type_table_length[lvtt_cnt], | |
2117 true, // is LVTT | |
2118 CHECK_(nullHandle)); | |
2119 lvtt_cnt++; | |
2120 } else if (UseSplitVerifier && | |
2121 _major_version >= Verifier::STACKMAP_ATTRIBUTE_MAJOR_VERSION && | |
2122 cp->symbol_at(code_attribute_name_index) == vmSymbols::tag_stack_map_table()) { | |
2123 // Stack map is only needed by the new verifier in JDK1.5. | |
2124 if (parsed_stackmap_attribute) { | |
2125 classfile_parse_error("Multiple StackMapTable attributes in class file %s", CHECK_(nullHandle)); | |
2126 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2127 stackmap_data = parse_stackmap_table(loader_data, code_attribute_length, CHECK_(nullHandle)); |
0 | 2128 parsed_stackmap_attribute = true; |
2129 } else { | |
2130 // Skip unknown attributes | |
2131 cfs->skip_u1(code_attribute_length, CHECK_(nullHandle)); | |
2132 } | |
2133 } | |
2134 // check method attribute length | |
2135 if (_need_verify) { | |
2136 guarantee_property(method_attribute_length == calculated_attribute_length, | |
2137 "Code segment has wrong length in class file %s", CHECK_(nullHandle)); | |
2138 } | |
2139 } else if (method_attribute_name == vmSymbols::tag_exceptions()) { | |
2140 // Parse Exceptions attribute | |
2141 if (parsed_checked_exceptions_attribute) { | |
2142 classfile_parse_error("Multiple Exceptions attributes in class file %s", CHECK_(nullHandle)); | |
2143 } | |
2144 parsed_checked_exceptions_attribute = true; | |
2145 checked_exceptions_start = | |
2146 parse_checked_exceptions(&checked_exceptions_length, | |
2147 method_attribute_length, | |
2148 cp, CHECK_(nullHandle)); | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2149 } else if (method_attribute_name == vmSymbols::tag_method_parameters()) { |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2150 method_parameters_length = cfs->get_u1_fast(); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2151 method_parameters_data = cfs->get_u1_buffer(); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2152 cfs->skip_u2_fast(method_parameters_length); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2153 cfs->skip_u4_fast(method_parameters_length); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2154 // ignore this attribute if it cannot be reflected |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2155 if (!SystemDictionary::Parameter_klass_loaded()) |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2156 method_parameters_length = 0; |
0 | 2157 } else if (method_attribute_name == vmSymbols::tag_synthetic()) { |
2158 if (method_attribute_length != 0) { | |
2159 classfile_parse_error( | |
2160 "Invalid Synthetic method attribute length %u in class file %s", | |
2161 method_attribute_length, CHECK_(nullHandle)); | |
2162 } | |
2163 // Should we check that there hasn't already been a synthetic attribute? | |
2164 access_flags.set_is_synthetic(); | |
2165 } else if (method_attribute_name == vmSymbols::tag_deprecated()) { // 4276120 | |
2166 if (method_attribute_length != 0) { | |
2167 classfile_parse_error( | |
2168 "Invalid Deprecated method attribute length %u in class file %s", | |
2169 method_attribute_length, CHECK_(nullHandle)); | |
2170 } | |
2171 } else if (_major_version >= JAVA_1_5_VERSION) { | |
2172 if (method_attribute_name == vmSymbols::tag_signature()) { | |
2173 if (method_attribute_length != 2) { | |
2174 classfile_parse_error( | |
2175 "Invalid Signature attribute length %u in class file %s", | |
2176 method_attribute_length, CHECK_(nullHandle)); | |
2177 } | |
2178 cfs->guarantee_more(2, CHECK_(nullHandle)); // generic_signature_index | |
2179 generic_signature_index = cfs->get_u2_fast(); | |
2180 } else if (method_attribute_name == vmSymbols::tag_runtime_visible_annotations()) { | |
2181 runtime_visible_annotations_length = method_attribute_length; | |
2182 runtime_visible_annotations = cfs->get_u1_buffer(); | |
2183 assert(runtime_visible_annotations != NULL, "null visible annotations"); | |
6934 | 2184 parse_annotations(runtime_visible_annotations, |
2185 runtime_visible_annotations_length, cp, &parsed_annotations, | |
2186 CHECK_(nullHandle)); | |
0 | 2187 cfs->skip_u1(runtime_visible_annotations_length, CHECK_(nullHandle)); |
2188 } else if (PreserveAllAnnotations && method_attribute_name == vmSymbols::tag_runtime_invisible_annotations()) { | |
2189 runtime_invisible_annotations_length = method_attribute_length; | |
2190 runtime_invisible_annotations = cfs->get_u1_buffer(); | |
2191 assert(runtime_invisible_annotations != NULL, "null invisible annotations"); | |
2192 cfs->skip_u1(runtime_invisible_annotations_length, CHECK_(nullHandle)); | |
2193 } else if (method_attribute_name == vmSymbols::tag_runtime_visible_parameter_annotations()) { | |
2194 runtime_visible_parameter_annotations_length = method_attribute_length; | |
2195 runtime_visible_parameter_annotations = cfs->get_u1_buffer(); | |
2196 assert(runtime_visible_parameter_annotations != NULL, "null visible parameter annotations"); | |
2197 cfs->skip_u1(runtime_visible_parameter_annotations_length, CHECK_(nullHandle)); | |
2198 } else if (PreserveAllAnnotations && method_attribute_name == vmSymbols::tag_runtime_invisible_parameter_annotations()) { | |
2199 runtime_invisible_parameter_annotations_length = method_attribute_length; | |
2200 runtime_invisible_parameter_annotations = cfs->get_u1_buffer(); | |
2201 assert(runtime_invisible_parameter_annotations != NULL, "null invisible parameter annotations"); | |
2202 cfs->skip_u1(runtime_invisible_parameter_annotations_length, CHECK_(nullHandle)); | |
2203 } else if (method_attribute_name == vmSymbols::tag_annotation_default()) { | |
2204 annotation_default_length = method_attribute_length; | |
2205 annotation_default = cfs->get_u1_buffer(); | |
2206 assert(annotation_default != NULL, "null annotation default"); | |
2207 cfs->skip_u1(annotation_default_length, CHECK_(nullHandle)); | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2208 } else if (method_attribute_name == vmSymbols::tag_runtime_visible_type_annotations()) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2209 runtime_visible_type_annotations_length = method_attribute_length; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2210 runtime_visible_type_annotations = cfs->get_u1_buffer(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2211 assert(runtime_visible_type_annotations != NULL, "null visible type annotations"); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2212 // No need for the VM to parse Type annotations |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2213 cfs->skip_u1(runtime_visible_type_annotations_length, CHECK_(nullHandle)); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2214 } else if (PreserveAllAnnotations && method_attribute_name == vmSymbols::tag_runtime_invisible_type_annotations()) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2215 runtime_invisible_type_annotations_length = method_attribute_length; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2216 runtime_invisible_type_annotations = cfs->get_u1_buffer(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2217 assert(runtime_invisible_type_annotations != NULL, "null invisible type annotations"); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2218 cfs->skip_u1(runtime_invisible_type_annotations_length, CHECK_(nullHandle)); |
0 | 2219 } else { |
2220 // Skip unknown attributes | |
2221 cfs->skip_u1(method_attribute_length, CHECK_(nullHandle)); | |
2222 } | |
2223 } else { | |
2224 // Skip unknown attributes | |
2225 cfs->skip_u1(method_attribute_length, CHECK_(nullHandle)); | |
2226 } | |
2227 } | |
2228 | |
2229 if (linenumber_table != NULL) { | |
2230 linenumber_table->write_terminator(); | |
2231 linenumber_table_length = linenumber_table->position(); | |
2232 } | |
2233 | |
2234 // Make sure there's at least one Code attribute in non-native/non-abstract method | |
2235 if (_need_verify) { | |
2236 guarantee_property(access_flags.is_native() || access_flags.is_abstract() || parsed_code_attribute, | |
2237 "Absent Code attribute in method that is not native or abstract in class file %s", CHECK_(nullHandle)); | |
2238 } | |
2239 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2240 // All sizing information for a Method* is finally available, now create it |
6934 | 2241 Method* m = Method::allocate( |
2242 loader_data, code_length, access_flags, linenumber_table_length, | |
2243 total_lvt_length, exception_table_length, checked_exceptions_length, | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2244 method_parameters_length, generic_signature_index, |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2245 ConstMethod::NORMAL, CHECK_(nullHandle)); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2246 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2247 ClassLoadingService::add_class_method_size(m->size()*HeapWordSize); |
0 | 2248 |
2249 // Fill in information from fixed part (access_flags already set) | |
2250 m->set_constants(cp()); | |
2251 m->set_name_index(name_index); | |
2252 m->set_signature_index(signature_index); | |
2253 #ifdef CC_INTERP | |
2254 // hmm is there a gc issue here?? | |
2255 ResultTypeFinder rtf(cp->symbol_at(signature_index)); | |
2256 m->set_result_index(rtf.type()); | |
2257 #endif | |
2258 | |
2259 if (args_size >= 0) { | |
2260 m->set_size_of_parameters(args_size); | |
2261 } else { | |
2262 m->compute_size_of_parameters(THREAD); | |
2263 } | |
2264 #ifdef ASSERT | |
2265 if (args_size >= 0) { | |
2266 m->compute_size_of_parameters(THREAD); | |
2267 assert(args_size == m->size_of_parameters(), ""); | |
2268 } | |
2269 #endif | |
2270 | |
2271 // Fill in code attribute information | |
2272 m->set_max_stack(max_stack); | |
2273 m->set_max_locals(max_locals); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2274 m->constMethod()->set_stackmap_data(stackmap_data); |
0 | 2275 |
2276 // Copy byte codes | |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1108
diff
changeset
|
2277 m->set_code(code_start); |
0 | 2278 |
2279 // Copy line number table | |
2280 if (linenumber_table != NULL) { | |
2281 memcpy(m->compressed_linenumber_table(), | |
2282 linenumber_table->buffer(), linenumber_table_length); | |
2283 } | |
2284 | |
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
2285 // Copy exception table |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
2286 if (exception_table_length > 0) { |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
2287 int size = |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
2288 exception_table_length * sizeof(ExceptionTableElement) / sizeof(u2); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
2289 copy_u2_with_conversion((u2*) m->exception_table_start(), |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
2290 exception_table_start, size); |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
2291 } |
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6100
diff
changeset
|
2292 |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2293 // Copy method parameters |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2294 if (method_parameters_length > 0) { |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2295 MethodParametersElement* elem = m->constMethod()->method_parameters_start(); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2296 for(int i = 0; i < method_parameters_length; i++) { |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2297 elem[i].name_cp_index = |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2298 Bytes::get_Java_u2(method_parameters_data); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2299 method_parameters_data += 2; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2300 elem[i].flags = Bytes::get_Java_u4(method_parameters_data); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2301 method_parameters_data += 4; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2302 } |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2303 } |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
2304 |
0 | 2305 // Copy checked exceptions |
2306 if (checked_exceptions_length > 0) { | |
2307 int size = checked_exceptions_length * sizeof(CheckedExceptionElement) / sizeof(u2); | |
2308 copy_u2_with_conversion((u2*) m->checked_exceptions_start(), checked_exceptions_start, size); | |
2309 } | |
2310 | |
2311 /* Copy class file LVT's/LVTT's into the HotSpot internal LVT. | |
2312 * | |
2313 * Rules for LVT's and LVTT's are: | |
2314 * - There can be any number of LVT's and LVTT's. | |
2315 * - If there are n LVT's, it is the same as if there was just | |
2316 * one LVT containing all the entries from the n LVT's. | |
2317 * - There may be no more than one LVT entry per local variable. | |
2318 * Two LVT entries are 'equal' if these fields are the same: | |
2319 * start_pc, length, name, slot | |
2320 * - There may be no more than one LVTT entry per each LVT entry. | |
2321 * Each LVTT entry has to match some LVT entry. | |
2322 * - HotSpot internal LVT keeps natural ordering of class file LVT entries. | |
2323 */ | |
2324 if (total_lvt_length > 0) { | |
2325 int tbl_no, idx; | |
2326 | |
2327 promoted_flags->set_has_localvariable_table(); | |
2328 | |
2329 LVT_Hash** lvt_Hash = NEW_RESOURCE_ARRAY(LVT_Hash*, HASH_ROW_SIZE); | |
2330 initialize_hashtable(lvt_Hash); | |
2331 | |
2332 // To fill LocalVariableTable in | |
2333 Classfile_LVT_Element* cf_lvt; | |
2334 LocalVariableTableElement* lvt = m->localvariable_table_start(); | |
2335 | |
2336 for (tbl_no = 0; tbl_no < lvt_cnt; tbl_no++) { | |
2337 cf_lvt = (Classfile_LVT_Element *) localvariable_table_start[tbl_no]; | |
2338 for (idx = 0; idx < localvariable_table_length[tbl_no]; idx++, lvt++) { | |
2339 copy_lvt_element(&cf_lvt[idx], lvt); | |
2340 // If no duplicates, add LVT elem in hashtable lvt_Hash. | |
2341 if (LVT_put_after_lookup(lvt, lvt_Hash) == false | |
2342 && _need_verify | |
2343 && _major_version >= JAVA_1_5_VERSION ) { | |
2344 clear_hashtable(lvt_Hash); | |
2345 classfile_parse_error("Duplicated LocalVariableTable attribute " | |
2346 "entry for '%s' in class file %s", | |
2347 cp->symbol_at(lvt->name_cp_index)->as_utf8(), | |
2348 CHECK_(nullHandle)); | |
2349 } | |
2350 } | |
2351 } | |
2352 | |
2353 // To merge LocalVariableTable and LocalVariableTypeTable | |
2354 Classfile_LVT_Element* cf_lvtt; | |
2355 LocalVariableTableElement lvtt_elem; | |
2356 | |
2357 for (tbl_no = 0; tbl_no < lvtt_cnt; tbl_no++) { | |
2358 cf_lvtt = (Classfile_LVT_Element *) localvariable_type_table_start[tbl_no]; | |
2359 for (idx = 0; idx < localvariable_type_table_length[tbl_no]; idx++) { | |
2360 copy_lvt_element(&cf_lvtt[idx], &lvtt_elem); | |
2361 int index = hash(&lvtt_elem); | |
2362 LVT_Hash* entry = LVT_lookup(&lvtt_elem, index, lvt_Hash); | |
2363 if (entry == NULL) { | |
2364 if (_need_verify) { | |
2365 clear_hashtable(lvt_Hash); | |
2366 classfile_parse_error("LVTT entry for '%s' in class file %s " | |
2367 "does not match any LVT entry", | |
2368 cp->symbol_at(lvtt_elem.name_cp_index)->as_utf8(), | |
2369 CHECK_(nullHandle)); | |
2370 } | |
2371 } else if (entry->_elem->signature_cp_index != 0 && _need_verify) { | |
2372 clear_hashtable(lvt_Hash); | |
2373 classfile_parse_error("Duplicated LocalVariableTypeTable attribute " | |
2374 "entry for '%s' in class file %s", | |
2375 cp->symbol_at(lvtt_elem.name_cp_index)->as_utf8(), | |
2376 CHECK_(nullHandle)); | |
2377 } else { | |
2378 // to add generic signatures into LocalVariableTable | |
2379 entry->_elem->signature_cp_index = lvtt_elem.descriptor_cp_index; | |
2380 } | |
2381 } | |
2382 } | |
2383 clear_hashtable(lvt_Hash); | |
2384 } | |
2385 | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2386 if (parsed_annotations.has_any_annotations()) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2387 parsed_annotations.apply_to(m); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2388 *method_annotations = assemble_annotations(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2389 runtime_visible_annotations, |
0 | 2390 runtime_visible_annotations_length, |
2391 runtime_invisible_annotations, | |
2392 runtime_invisible_annotations_length, | |
2393 CHECK_(nullHandle)); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2394 *method_parameter_annotations = assemble_annotations(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2395 runtime_visible_parameter_annotations, |
0 | 2396 runtime_visible_parameter_annotations_length, |
2397 runtime_invisible_parameter_annotations, | |
2398 runtime_invisible_parameter_annotations_length, | |
2399 CHECK_(nullHandle)); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2400 *method_default_annotations = assemble_annotations(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2401 annotation_default, |
0 | 2402 annotation_default_length, |
2403 NULL, | |
2404 0, | |
2405 CHECK_(nullHandle)); | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2406 *method_type_annotations = assemble_annotations(loader_data, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2407 runtime_visible_type_annotations, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2408 runtime_visible_type_annotations_length, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2409 runtime_invisible_type_annotations, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2410 runtime_invisible_type_annotations_length, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2411 CHECK_(nullHandle)); |
0 | 2412 |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
2413 if (name == vmSymbols::finalize_method_name() && |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
2414 signature == vmSymbols::void_method_signature()) { |
0 | 2415 if (m->is_empty_method()) { |
2416 _has_empty_finalizer = true; | |
2417 } else { | |
2418 _has_finalizer = true; | |
2419 } | |
2420 } | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
2421 if (name == vmSymbols::object_initializer_name() && |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
2422 signature == vmSymbols::void_method_signature() && |
0 | 2423 m->is_vanilla_constructor()) { |
2424 _has_vanilla_constructor = true; | |
2425 } | |
2426 | |
2427 return m; | |
2428 } | |
2429 | |
2430 | |
2431 // The promoted_flags parameter is used to pass relevant access_flags | |
2432 // from the methods back up to the containing klass. These flag values | |
2433 // are added to klass's access_flags. | |
2434 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2435 Array<Method*>* ClassFileParser::parse_methods(ClassLoaderData* loader_data, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2436 constantPoolHandle cp, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2437 bool is_interface, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2438 AccessFlags* promoted_flags, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2439 bool* has_final_method, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2440 Array<AnnotationArray*>** methods_annotations, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2441 Array<AnnotationArray*>** methods_parameter_annotations, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2442 Array<AnnotationArray*>** methods_default_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2443 Array<AnnotationArray*>** methods_type_annotations, |
6934 | 2444 bool* has_default_methods, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2445 TRAPS) { |
0 | 2446 ClassFileStream* cfs = stream(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2447 AnnotationArray* method_annotations = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2448 AnnotationArray* method_parameter_annotations = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2449 AnnotationArray* method_default_annotations = NULL; |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2450 AnnotationArray* method_type_annotations = NULL; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2451 cfs->guarantee_more(2, CHECK_NULL); // length |
0 | 2452 u2 length = cfs->get_u2_fast(); |
2453 if (length == 0) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2454 return Universe::the_empty_method_array(); |
0 | 2455 } else { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2456 // FIXME: Handle leaks at later failures. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2457 Array<Method*>* methods = MetadataFactory::new_array<Method*>(loader_data, length, NULL, CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2458 |
0 | 2459 HandleMark hm(THREAD); |
2460 for (int index = 0; index < length; index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2461 methodHandle method = parse_method(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2462 cp, is_interface, |
0 | 2463 promoted_flags, |
2464 &method_annotations, | |
2465 &method_parameter_annotations, | |
2466 &method_default_annotations, | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2467 &method_type_annotations, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2468 CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2469 |
0 | 2470 if (method->is_final()) { |
2471 *has_final_method = true; | |
2472 } | |
6934 | 2473 if (is_interface && !method->is_abstract() && !method->is_static()) { |
2474 // default method | |
2475 *has_default_methods = true; | |
2476 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2477 methods->at_put(index, method()); |
7611
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2478 |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2479 if (method_annotations != NULL) { |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2480 if (*methods_annotations == NULL) { |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2481 *methods_annotations = |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2482 MetadataFactory::new_array<AnnotationArray*>(loader_data, length, NULL, CHECK_NULL); |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2483 } |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2484 (*methods_annotations)->at_put(index, method_annotations); |
0 | 2485 } |
7611
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2486 |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2487 if (method_parameter_annotations != NULL) { |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2488 if (*methods_parameter_annotations == NULL) { |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2489 *methods_parameter_annotations = |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2490 MetadataFactory::new_array<AnnotationArray*>(loader_data, length, NULL, CHECK_NULL); |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2491 } |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2492 (*methods_parameter_annotations)->at_put(index, method_parameter_annotations); |
0 | 2493 } |
7611
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2494 |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2495 if (method_default_annotations != NULL) { |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2496 if (*methods_default_annotations == NULL) { |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2497 *methods_default_annotations = |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2498 MetadataFactory::new_array<AnnotationArray*>(loader_data, length, NULL, CHECK_NULL); |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2499 } |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2500 (*methods_default_annotations)->at_put(index, method_default_annotations); |
0 | 2501 } |
7611
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2502 |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2503 if (method_type_annotations != NULL) { |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2504 if (*methods_type_annotations == NULL) { |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2505 *methods_type_annotations = |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2506 MetadataFactory::new_array<AnnotationArray*>(loader_data, length, NULL, CHECK_NULL); |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2507 } |
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
2508 (*methods_type_annotations)->at_put(index, method_type_annotations); |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2509 } |
0 | 2510 } |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2511 |
0 | 2512 if (_need_verify && length > 1) { |
2513 // Check duplicated methods | |
2514 ResourceMark rm(THREAD); | |
2515 NameSigHash** names_and_sigs = NEW_RESOURCE_ARRAY_IN_THREAD( | |
2516 THREAD, NameSigHash*, HASH_ROW_SIZE); | |
2517 initialize_hashtable(names_and_sigs); | |
2518 bool dup = false; | |
2519 { | |
2520 debug_only(No_Safepoint_Verifier nsv;) | |
2521 for (int i = 0; i < length; i++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2522 Method* m = methods->at(i); |
0 | 2523 // If no duplicates, add name/signature in hashtable names_and_sigs. |
2524 if (!put_after_lookup(m->name(), m->signature(), names_and_sigs)) { | |
2525 dup = true; | |
2526 break; | |
2527 } | |
2528 } | |
2529 } | |
2530 if (dup) { | |
2531 classfile_parse_error("Duplicate method name&signature in class file %s", | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2532 CHECK_NULL); |
0 | 2533 } |
2534 } | |
2535 return methods; | |
2536 } | |
2537 } | |
2538 | |
2539 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2540 Array<int>* ClassFileParser::sort_methods(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2541 Array<Method*>* methods, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2542 Array<AnnotationArray*>* methods_annotations, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2543 Array<AnnotationArray*>* methods_parameter_annotations, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2544 Array<AnnotationArray*>* methods_default_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2545 Array<AnnotationArray*>* methods_type_annotations, |
0 | 2546 TRAPS) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2547 int length = methods->length(); |
3245
8ce625481709
7032407: Crash in LinkResolver::runtime_resolve_virtual_method()
coleenp
parents:
2461
diff
changeset
|
2548 // If JVMTI original method ordering or sharing is enabled we have to |
0 | 2549 // remember the original class file ordering. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2550 // We temporarily use the vtable_index field in the Method* to store the |
0 | 2551 // class file index, so we can read in after calling qsort. |
3245
8ce625481709
7032407: Crash in LinkResolver::runtime_resolve_virtual_method()
coleenp
parents:
2461
diff
changeset
|
2552 // Put the method ordering in the shared archive. |
8ce625481709
7032407: Crash in LinkResolver::runtime_resolve_virtual_method()
coleenp
parents:
2461
diff
changeset
|
2553 if (JvmtiExport::can_maintain_original_method_order() || DumpSharedSpaces) { |
0 | 2554 for (int index = 0; index < length; index++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2555 Method* m = methods->at(index); |
0 | 2556 assert(!m->valid_vtable_index(), "vtable index should not be set"); |
2557 m->set_vtable_index(index); | |
2558 } | |
2559 } | |
2560 // Sort method array by ascending method name (for faster lookups & vtable construction) | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
2561 // Note that the ordering is not alphabetical, see Symbol::fast_compare |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2562 Method::sort_methods(methods, methods_annotations, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2563 methods_parameter_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2564 methods_default_annotations, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2565 methods_type_annotations); |
0 | 2566 |
3245
8ce625481709
7032407: Crash in LinkResolver::runtime_resolve_virtual_method()
coleenp
parents:
2461
diff
changeset
|
2567 // If JVMTI original method ordering or sharing is enabled construct int |
8ce625481709
7032407: Crash in LinkResolver::runtime_resolve_virtual_method()
coleenp
parents:
2461
diff
changeset
|
2568 // array remembering the original ordering |
8ce625481709
7032407: Crash in LinkResolver::runtime_resolve_virtual_method()
coleenp
parents:
2461
diff
changeset
|
2569 if (JvmtiExport::can_maintain_original_method_order() || DumpSharedSpaces) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2570 Array<int>* method_ordering = MetadataFactory::new_array<int>(loader_data, length, CHECK_NULL); |
0 | 2571 for (int index = 0; index < length; index++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2572 Method* m = methods->at(index); |
0 | 2573 int old_index = m->vtable_index(); |
2574 assert(old_index >= 0 && old_index < length, "invalid method index"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2575 method_ordering->at_put(index, old_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2576 m->set_vtable_index(Method::invalid_vtable_index); |
0 | 2577 } |
2578 return method_ordering; | |
2579 } else { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2580 return Universe::the_empty_int_array(); |
0 | 2581 } |
2582 } | |
2583 | |
2584 | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2585 void ClassFileParser::parse_classfile_sourcefile_attribute(constantPoolHandle cp, TRAPS) { |
0 | 2586 ClassFileStream* cfs = stream(); |
2587 cfs->guarantee_more(2, CHECK); // sourcefile_index | |
2588 u2 sourcefile_index = cfs->get_u2_fast(); | |
2589 check_property( | |
2590 valid_cp_range(sourcefile_index, cp->length()) && | |
2591 cp->tag_at(sourcefile_index).is_utf8(), | |
2592 "Invalid SourceFile attribute at constant pool index %u in class file %s", | |
2593 sourcefile_index, CHECK); | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2594 set_class_sourcefile(cp->symbol_at(sourcefile_index)); |
0 | 2595 } |
2596 | |
2597 | |
2598 | |
2599 void ClassFileParser::parse_classfile_source_debug_extension_attribute(constantPoolHandle cp, | |
2600 int length, TRAPS) { | |
2601 ClassFileStream* cfs = stream(); | |
2602 u1* sde_buffer = cfs->get_u1_buffer(); | |
2603 assert(sde_buffer != NULL, "null sde buffer"); | |
2604 | |
2605 // Don't bother storing it if there is no way to retrieve it | |
2606 if (JvmtiExport::can_get_source_debug_extension()) { | |
6226 | 2607 assert((length+1) > length, "Overflow checking"); |
2608 u1* sde = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, u1, length+1); | |
2609 for (int i = 0; i < length; i++) { | |
2610 sde[i] = sde_buffer[i]; | |
2611 } | |
2612 sde[length] = '\0'; | |
2613 set_class_sde_buffer((char*)sde, length); | |
0 | 2614 } |
2615 // Got utf8 string, set stream position forward | |
2616 cfs->skip_u1(length, CHECK); | |
2617 } | |
2618 | |
2619 | |
2620 // Inner classes can be static, private or protected (classic VM does this) | |
2621 #define RECOGNIZED_INNER_CLASS_MODIFIERS (JVM_RECOGNIZED_CLASS_MODIFIERS | JVM_ACC_PRIVATE | JVM_ACC_PROTECTED | JVM_ACC_STATIC) | |
2622 | |
2623 // Return number of classes in the inner classes attribute table | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2624 u2 ClassFileParser::parse_classfile_inner_classes_attribute(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2625 u1* inner_classes_attribute_start, |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2626 bool parsed_enclosingmethod_attribute, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2627 u2 enclosing_method_class_index, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2628 u2 enclosing_method_method_index, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2629 constantPoolHandle cp, |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2630 TRAPS) { |
0 | 2631 ClassFileStream* cfs = stream(); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2632 u1* current_mark = cfs->current(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2633 u2 length = 0; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2634 if (inner_classes_attribute_start != NULL) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2635 cfs->set_current(inner_classes_attribute_start); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2636 cfs->guarantee_more(2, CHECK_0); // length |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2637 length = cfs->get_u2_fast(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2638 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2639 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2640 // 4-tuples of shorts of inner classes data and 2 shorts of enclosing |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2641 // method data: |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2642 // [inner_class_info_index, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2643 // outer_class_info_index, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2644 // inner_name_index, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2645 // inner_class_access_flags, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2646 // ... |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2647 // enclosing_method_class_index, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2648 // enclosing_method_method_index] |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2649 int size = length * 4 + (parsed_enclosingmethod_attribute ? 2 : 0); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2650 // FIXME: Will leak on exceptions. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2651 Array<u2>* inner_classes = MetadataFactory::new_array<u2>(loader_data, size, CHECK_0); |
0 | 2652 int index = 0; |
2653 int cp_size = cp->length(); | |
2654 cfs->guarantee_more(8 * length, CHECK_0); // 4-tuples of u2 | |
2655 for (int n = 0; n < length; n++) { | |
2656 // Inner class index | |
2657 u2 inner_class_info_index = cfs->get_u2_fast(); | |
2658 check_property( | |
2659 inner_class_info_index == 0 || | |
2660 (valid_cp_range(inner_class_info_index, cp_size) && | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
2661 is_klass_reference(cp, inner_class_info_index)), |
0 | 2662 "inner_class_info_index %u has bad constant type in class file %s", |
2663 inner_class_info_index, CHECK_0); | |
2664 // Outer class index | |
2665 u2 outer_class_info_index = cfs->get_u2_fast(); | |
2666 check_property( | |
2667 outer_class_info_index == 0 || | |
2668 (valid_cp_range(outer_class_info_index, cp_size) && | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
2669 is_klass_reference(cp, outer_class_info_index)), |
0 | 2670 "outer_class_info_index %u has bad constant type in class file %s", |
2671 outer_class_info_index, CHECK_0); | |
2672 // Inner class name | |
2673 u2 inner_name_index = cfs->get_u2_fast(); | |
2674 check_property( | |
2675 inner_name_index == 0 || (valid_cp_range(inner_name_index, cp_size) && | |
2676 cp->tag_at(inner_name_index).is_utf8()), | |
2677 "inner_name_index %u has bad constant type in class file %s", | |
2678 inner_name_index, CHECK_0); | |
2679 if (_need_verify) { | |
2680 guarantee_property(inner_class_info_index != outer_class_info_index, | |
2681 "Class is both outer and inner class in class file %s", CHECK_0); | |
2682 } | |
2683 // Access flags | |
2684 AccessFlags inner_access_flags; | |
2685 jint flags = cfs->get_u2_fast() & RECOGNIZED_INNER_CLASS_MODIFIERS; | |
2686 if ((flags & JVM_ACC_INTERFACE) && _major_version < JAVA_6_VERSION) { | |
2687 // Set abstract bit for old class files for backward compatibility | |
2688 flags |= JVM_ACC_ABSTRACT; | |
2689 } | |
2690 verify_legal_class_modifiers(flags, CHECK_0); | |
2691 inner_access_flags.set_flags(flags); | |
2692 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2693 inner_classes->at_put(index++, inner_class_info_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2694 inner_classes->at_put(index++, outer_class_info_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2695 inner_classes->at_put(index++, inner_name_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2696 inner_classes->at_put(index++, inner_access_flags.as_short()); |
0 | 2697 } |
2698 | |
2699 // 4347400: make sure there's no duplicate entry in the classes array | |
2700 if (_need_verify && _major_version >= JAVA_1_5_VERSION) { | |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2701 for(int i = 0; i < length * 4; i += 4) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2702 for(int j = i + 4; j < length * 4; j += 4) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2703 guarantee_property((inner_classes->at(i) != inner_classes->at(j) || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2704 inner_classes->at(i+1) != inner_classes->at(j+1) || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2705 inner_classes->at(i+2) != inner_classes->at(j+2) || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2706 inner_classes->at(i+3) != inner_classes->at(j+3)), |
0 | 2707 "Duplicate entry in InnerClasses in class file %s", |
2708 CHECK_0); | |
2709 } | |
2710 } | |
2711 } | |
2712 | |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2713 // Set EnclosingMethod class and method indexes. |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2714 if (parsed_enclosingmethod_attribute) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2715 inner_classes->at_put(index++, enclosing_method_class_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2716 inner_classes->at_put(index++, enclosing_method_method_index); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2717 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2718 assert(index == size, "wrong size"); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2719 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2720 // Update InstanceKlass with inner class info. |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2721 set_class_inner_classes(inner_classes); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2722 |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2723 // Restore buffer's current position. |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2724 cfs->set_current(current_mark); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2725 |
0 | 2726 return length; |
2727 } | |
2728 | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2729 void ClassFileParser::parse_classfile_synthetic_attribute(constantPoolHandle cp, TRAPS) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2730 set_class_synthetic_flag(true); |
0 | 2731 } |
2732 | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2733 void ClassFileParser::parse_classfile_signature_attribute(constantPoolHandle cp, TRAPS) { |
0 | 2734 ClassFileStream* cfs = stream(); |
2735 u2 signature_index = cfs->get_u2(CHECK); | |
2736 check_property( | |
2737 valid_cp_range(signature_index, cp->length()) && | |
2738 cp->tag_at(signature_index).is_utf8(), | |
2739 "Invalid constant pool index %u in Signature attribute in class file %s", | |
2740 signature_index, CHECK); | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2741 set_class_generic_signature(cp->symbol_at(signature_index)); |
0 | 2742 } |
2743 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2744 void ClassFileParser::parse_classfile_bootstrap_methods_attribute(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2745 constantPoolHandle cp, |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2746 u4 attribute_byte_length, TRAPS) { |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2747 ClassFileStream* cfs = stream(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2748 u1* current_start = cfs->current(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2749 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2750 cfs->guarantee_more(2, CHECK); // length |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2751 int attribute_array_length = cfs->get_u2_fast(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2752 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2753 guarantee_property(_max_bootstrap_specifier_index < attribute_array_length, |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2754 "Short length on BootstrapMethods in class file %s", |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2755 CHECK); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2756 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2757 // The attribute contains a counted array of counted tuples of shorts, |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2758 // represending bootstrap specifiers: |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2759 // length*{bootstrap_method_index, argument_count*{argument_index}} |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2760 int operand_count = (attribute_byte_length - sizeof(u2)) / sizeof(u2); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2761 // operand_count = number of shorts in attr, except for leading length |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2762 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2763 // The attribute is copied into a short[] array. |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2764 // The array begins with a series of short[2] pairs, one for each tuple. |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2765 int index_size = (attribute_array_length * 2); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2766 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2767 Array<u2>* operands = MetadataFactory::new_array<u2>(loader_data, index_size + operand_count, CHECK); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2768 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2769 int operand_fill_index = index_size; |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2770 int cp_size = cp->length(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2771 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2772 for (int n = 0; n < attribute_array_length; n++) { |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2773 // Store a 32-bit offset into the header of the operand array. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2774 ConstantPool::operand_offset_at_put(operands, n, operand_fill_index); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2775 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2776 // Read a bootstrap specifier. |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2777 cfs->guarantee_more(sizeof(u2) * 2, CHECK); // bsm, argc |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2778 u2 bootstrap_method_index = cfs->get_u2_fast(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2779 u2 argument_count = cfs->get_u2_fast(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2780 check_property( |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2781 valid_cp_range(bootstrap_method_index, cp_size) && |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2782 cp->tag_at(bootstrap_method_index).is_method_handle(), |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2783 "bootstrap_method_index %u has bad constant type in class file %s", |
2085 | 2784 bootstrap_method_index, |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2785 CHECK); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2786 operands->at_put(operand_fill_index++, bootstrap_method_index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2787 operands->at_put(operand_fill_index++, argument_count); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2788 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2789 cfs->guarantee_more(sizeof(u2) * argument_count, CHECK); // argv[argc] |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2790 for (int j = 0; j < argument_count; j++) { |
2085 | 2791 u2 argument_index = cfs->get_u2_fast(); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2792 check_property( |
2085 | 2793 valid_cp_range(argument_index, cp_size) && |
2794 cp->tag_at(argument_index).is_loadable_constant(), | |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2795 "argument_index %u has bad constant type in class file %s", |
2085 | 2796 argument_index, |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2797 CHECK); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2798 operands->at_put(operand_fill_index++, argument_index); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2799 } |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2800 } |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2801 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2802 assert(operand_fill_index == operands->length(), "exact fill"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2803 assert(ConstantPool::operand_array_length(operands) == attribute_array_length, "correct decode"); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2804 |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2805 u1* current_end = cfs->current(); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2806 guarantee_property(current_end == current_start + attribute_byte_length, |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2807 "Bad length on BootstrapMethods in class file %s", |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2808 CHECK); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2809 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2810 cp->set_operands(operands); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2811 } |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2812 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2813 void ClassFileParser::parse_classfile_attributes(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2814 constantPoolHandle cp, |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2815 ClassFileParser::ClassAnnotationCollector* parsed_annotations, |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2816 TRAPS) { |
0 | 2817 ClassFileStream* cfs = stream(); |
2818 // Set inner classes attribute to default sentinel | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2819 set_class_inner_classes(Universe::the_empty_short_array()); |
0 | 2820 cfs->guarantee_more(2, CHECK); // attributes_count |
2821 u2 attributes_count = cfs->get_u2_fast(); | |
2822 bool parsed_sourcefile_attribute = false; | |
2823 bool parsed_innerclasses_attribute = false; | |
2824 bool parsed_enclosingmethod_attribute = false; | |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2825 bool parsed_bootstrap_methods_attribute = false; |
0 | 2826 u1* runtime_visible_annotations = NULL; |
2827 int runtime_visible_annotations_length = 0; | |
2828 u1* runtime_invisible_annotations = NULL; | |
2829 int runtime_invisible_annotations_length = 0; | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2830 u1* runtime_visible_type_annotations = NULL; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2831 int runtime_visible_type_annotations_length = 0; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2832 u1* runtime_invisible_type_annotations = NULL; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2833 int runtime_invisible_type_annotations_length = 0; |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2834 u1* inner_classes_attribute_start = NULL; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2835 u4 inner_classes_attribute_length = 0; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2836 u2 enclosing_method_class_index = 0; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2837 u2 enclosing_method_method_index = 0; |
0 | 2838 // Iterate over attributes |
2839 while (attributes_count--) { | |
2840 cfs->guarantee_more(6, CHECK); // attribute_name_index, attribute_length | |
2841 u2 attribute_name_index = cfs->get_u2_fast(); | |
2842 u4 attribute_length = cfs->get_u4_fast(); | |
2843 check_property( | |
2844 valid_cp_range(attribute_name_index, cp->length()) && | |
2845 cp->tag_at(attribute_name_index).is_utf8(), | |
2846 "Attribute name has bad constant pool index %u in class file %s", | |
2847 attribute_name_index, CHECK); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
2848 Symbol* tag = cp->symbol_at(attribute_name_index); |
0 | 2849 if (tag == vmSymbols::tag_source_file()) { |
2850 // Check for SourceFile tag | |
2851 if (_need_verify) { | |
2852 guarantee_property(attribute_length == 2, "Wrong SourceFile attribute length in class file %s", CHECK); | |
2853 } | |
2854 if (parsed_sourcefile_attribute) { | |
2855 classfile_parse_error("Multiple SourceFile attributes in class file %s", CHECK); | |
2856 } else { | |
2857 parsed_sourcefile_attribute = true; | |
2858 } | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2859 parse_classfile_sourcefile_attribute(cp, CHECK); |
0 | 2860 } else if (tag == vmSymbols::tag_source_debug_extension()) { |
2861 // Check for SourceDebugExtension tag | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2862 parse_classfile_source_debug_extension_attribute(cp, (int)attribute_length, CHECK); |
0 | 2863 } else if (tag == vmSymbols::tag_inner_classes()) { |
2864 // Check for InnerClasses tag | |
2865 if (parsed_innerclasses_attribute) { | |
2866 classfile_parse_error("Multiple InnerClasses attributes in class file %s", CHECK); | |
2867 } else { | |
2868 parsed_innerclasses_attribute = true; | |
2869 } | |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2870 inner_classes_attribute_start = cfs->get_u1_buffer(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2871 inner_classes_attribute_length = attribute_length; |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2872 cfs->skip_u1(inner_classes_attribute_length, CHECK); |
0 | 2873 } else if (tag == vmSymbols::tag_synthetic()) { |
2874 // Check for Synthetic tag | |
2875 // Shouldn't we check that the synthetic flags wasn't already set? - not required in spec | |
2876 if (attribute_length != 0) { | |
2877 classfile_parse_error( | |
2878 "Invalid Synthetic classfile attribute length %u in class file %s", | |
2879 attribute_length, CHECK); | |
2880 } | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2881 parse_classfile_synthetic_attribute(cp, CHECK); |
0 | 2882 } else if (tag == vmSymbols::tag_deprecated()) { |
2883 // Check for Deprecatd tag - 4276120 | |
2884 if (attribute_length != 0) { | |
2885 classfile_parse_error( | |
2886 "Invalid Deprecated classfile attribute length %u in class file %s", | |
2887 attribute_length, CHECK); | |
2888 } | |
2889 } else if (_major_version >= JAVA_1_5_VERSION) { | |
2890 if (tag == vmSymbols::tag_signature()) { | |
2891 if (attribute_length != 2) { | |
2892 classfile_parse_error( | |
2893 "Wrong Signature attribute length %u in class file %s", | |
2894 attribute_length, CHECK); | |
2895 } | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2896 parse_classfile_signature_attribute(cp, CHECK); |
0 | 2897 } else if (tag == vmSymbols::tag_runtime_visible_annotations()) { |
2898 runtime_visible_annotations_length = attribute_length; | |
2899 runtime_visible_annotations = cfs->get_u1_buffer(); | |
2900 assert(runtime_visible_annotations != NULL, "null visible annotations"); | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2901 parse_annotations(runtime_visible_annotations, |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2902 runtime_visible_annotations_length, |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2903 cp, |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2904 parsed_annotations, |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2905 CHECK); |
0 | 2906 cfs->skip_u1(runtime_visible_annotations_length, CHECK); |
2907 } else if (PreserveAllAnnotations && tag == vmSymbols::tag_runtime_invisible_annotations()) { | |
2908 runtime_invisible_annotations_length = attribute_length; | |
2909 runtime_invisible_annotations = cfs->get_u1_buffer(); | |
2910 assert(runtime_invisible_annotations != NULL, "null invisible annotations"); | |
2911 cfs->skip_u1(runtime_invisible_annotations_length, CHECK); | |
2912 } else if (tag == vmSymbols::tag_enclosing_method()) { | |
2913 if (parsed_enclosingmethod_attribute) { | |
2914 classfile_parse_error("Multiple EnclosingMethod attributes in class file %s", CHECK); | |
2915 } else { | |
2916 parsed_enclosingmethod_attribute = true; | |
2917 } | |
2918 cfs->guarantee_more(4, CHECK); // class_index, method_index | |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2919 enclosing_method_class_index = cfs->get_u2_fast(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2920 enclosing_method_method_index = cfs->get_u2_fast(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2921 if (enclosing_method_class_index == 0) { |
0 | 2922 classfile_parse_error("Invalid class index in EnclosingMethod attribute in class file %s", CHECK); |
2923 } | |
2924 // Validate the constant pool indices and types | |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2925 if (!cp->is_within_bounds(enclosing_method_class_index) || |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2926 !is_klass_reference(cp, enclosing_method_class_index)) { |
0 | 2927 classfile_parse_error("Invalid or out-of-bounds class index in EnclosingMethod attribute in class file %s", CHECK); |
2928 } | |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2929 if (enclosing_method_method_index != 0 && |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2930 (!cp->is_within_bounds(enclosing_method_method_index) || |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2931 !cp->tag_at(enclosing_method_method_index).is_name_and_type())) { |
0 | 2932 classfile_parse_error("Invalid or out-of-bounds method index in EnclosingMethod attribute in class file %s", CHECK); |
2933 } | |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2934 } else if (tag == vmSymbols::tag_bootstrap_methods() && |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2935 _major_version >= Verifier::INVOKEDYNAMIC_MAJOR_VERSION) { |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2936 if (parsed_bootstrap_methods_attribute) |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2937 classfile_parse_error("Multiple BootstrapMethods attributes in class file %s", CHECK); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2938 parsed_bootstrap_methods_attribute = true; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2939 parse_classfile_bootstrap_methods_attribute(loader_data, cp, attribute_length, CHECK); |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2940 } else if (tag == vmSymbols::tag_runtime_visible_type_annotations()) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2941 runtime_visible_type_annotations_length = attribute_length; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2942 runtime_visible_type_annotations = cfs->get_u1_buffer(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2943 assert(runtime_visible_type_annotations != NULL, "null visible type annotations"); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2944 // No need for the VM to parse Type annotations |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2945 cfs->skip_u1(runtime_visible_type_annotations_length, CHECK); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2946 } else if (PreserveAllAnnotations && tag == vmSymbols::tag_runtime_invisible_type_annotations()) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2947 runtime_invisible_type_annotations_length = attribute_length; |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2948 runtime_invisible_type_annotations = cfs->get_u1_buffer(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2949 assert(runtime_invisible_type_annotations != NULL, "null invisible type annotations"); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2950 cfs->skip_u1(runtime_invisible_type_annotations_length, CHECK); |
0 | 2951 } else { |
2952 // Unknown attribute | |
2953 cfs->skip_u1(attribute_length, CHECK); | |
2954 } | |
2955 } else { | |
2956 // Unknown attribute | |
2957 cfs->skip_u1(attribute_length, CHECK); | |
2958 } | |
2959 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2960 AnnotationArray* annotations = assemble_annotations(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2961 runtime_visible_annotations, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2962 runtime_visible_annotations_length, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2963 runtime_invisible_annotations, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2964 runtime_invisible_annotations_length, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
2965 CHECK); |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2966 set_class_annotations(annotations); |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2967 AnnotationArray* type_annotations = assemble_annotations(loader_data, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2968 runtime_visible_type_annotations, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2969 runtime_visible_type_annotations_length, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2970 runtime_invisible_type_annotations, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2971 runtime_invisible_type_annotations_length, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2972 CHECK); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
2973 set_class_type_annotations(type_annotations); |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2974 |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2975 if (parsed_innerclasses_attribute || parsed_enclosingmethod_attribute) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2976 u2 num_of_classes = parse_classfile_inner_classes_attribute( |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2977 loader_data, |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2978 inner_classes_attribute_start, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2979 parsed_innerclasses_attribute, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2980 enclosing_method_class_index, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2981 enclosing_method_method_index, |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2982 cp, CHECK); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2983 if (parsed_innerclasses_attribute &&_need_verify && _major_version >= JAVA_1_5_VERSION) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2984 guarantee_property( |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2985 inner_classes_attribute_length == sizeof(num_of_classes) + 4 * sizeof(u2) * num_of_classes, |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2986 "Wrong InnerClasses attribute length in class file %s", CHECK); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2987 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2988 } |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
4755
diff
changeset
|
2989 |
2011
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2990 if (_max_bootstrap_specifier_index >= 0) { |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2991 guarantee_property(parsed_bootstrap_methods_attribute, |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2992 "Missing BootstrapMethods attribute in class file %s", CHECK); |
dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents:
1972
diff
changeset
|
2993 } |
0 | 2994 } |
2995 | |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2996 void ClassFileParser::apply_parsed_class_attributes(instanceKlassHandle k) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2997 if (_synthetic_flag) |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2998 k->set_is_synthetic(); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
2999 if (_sourcefile != NULL) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3000 _sourcefile->increment_refcount(); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3001 k->set_source_file_name(_sourcefile); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3002 } |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3003 if (_generic_signature != NULL) { |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3004 _generic_signature->increment_refcount(); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3005 k->set_generic_signature(_generic_signature); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3006 } |
6226 | 3007 if (_sde_buffer != NULL) { |
3008 k->set_source_debug_extension(_sde_buffer, _sde_length); | |
3009 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3010 k->set_inner_classes(_inner_classes); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3011 if (_annotations != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3012 k->annotations()->set_class_annotations(_annotations); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3013 } |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3014 } |
0 | 3015 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3016 AnnotationArray* ClassFileParser::assemble_annotations(ClassLoaderData* loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3017 u1* runtime_visible_annotations, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3018 int runtime_visible_annotations_length, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3019 u1* runtime_invisible_annotations, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3020 int runtime_invisible_annotations_length, TRAPS) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3021 AnnotationArray* annotations = NULL; |
0 | 3022 if (runtime_visible_annotations != NULL || |
3023 runtime_invisible_annotations != NULL) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3024 annotations = MetadataFactory::new_array<u1>(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3025 runtime_visible_annotations_length + |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3026 runtime_invisible_annotations_length, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3027 CHECK_(annotations)); |
0 | 3028 if (runtime_visible_annotations != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3029 for (int i = 0; i < runtime_visible_annotations_length; i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3030 annotations->at_put(i, runtime_visible_annotations[i]); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3031 } |
0 | 3032 } |
3033 if (runtime_invisible_annotations != NULL) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3034 for (int i = 0; i < runtime_invisible_annotations_length; i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3035 int append = runtime_visible_annotations_length+i; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3036 annotations->at_put(append, runtime_invisible_annotations[i]); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3037 } |
0 | 3038 } |
3039 } | |
3040 return annotations; | |
3041 } | |
3042 | |
3043 | |
6934 | 3044 #ifndef PRODUCT |
3045 static void parseAndPrintGenericSignatures( | |
3046 instanceKlassHandle this_klass, TRAPS) { | |
3047 assert(ParseAllGenericSignatures == true, "Shouldn't call otherwise"); | |
3048 ResourceMark rm; | |
3049 | |
3050 if (this_klass->generic_signature() != NULL) { | |
3051 using namespace generic; | |
3052 ClassDescriptor* spec = ClassDescriptor::parse_generic_signature(this_klass(), CHECK); | |
3053 | |
3054 tty->print_cr("Parsing %s", this_klass->generic_signature()->as_C_string()); | |
3055 spec->print_on(tty); | |
3056 | |
3057 for (int i = 0; i < this_klass->methods()->length(); ++i) { | |
3058 Method* m = this_klass->methods()->at(i); | |
3059 MethodDescriptor* method_spec = MethodDescriptor::parse_generic_signature(m, spec); | |
3060 Symbol* sig = m->generic_signature(); | |
3061 if (sig == NULL) { | |
3062 sig = m->signature(); | |
3063 } | |
3064 tty->print_cr("Parsing %s", sig->as_C_string()); | |
3065 method_spec->print_on(tty); | |
3066 } | |
3067 } | |
3068 } | |
3069 #endif // ndef PRODUCT | |
3070 | |
3071 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3072 instanceKlassHandle ClassFileParser::parseClassFile(Symbol* name, |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
3073 ClassLoaderData* loader_data, |
0 | 3074 Handle protection_domain, |
710 | 3075 KlassHandle host_klass, |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3076 GrowableArray<Handle>* cp_patches, |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3077 TempNewSymbol& parsed_name, |
973
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
879
diff
changeset
|
3078 bool verify, |
0 | 3079 TRAPS) { |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
3080 |
4731
4ceaf61479fc
7122253: Instrumentation.retransformClasses() leaks class bytes
dcubed
parents:
3938
diff
changeset
|
3081 // When a retransformable agent is attached, JVMTI caches the |
4ceaf61479fc
7122253: Instrumentation.retransformClasses() leaks class bytes
dcubed
parents:
3938
diff
changeset
|
3082 // class bytes that existed before the first retransformation. |
4ceaf61479fc
7122253: Instrumentation.retransformClasses() leaks class bytes
dcubed
parents:
3938
diff
changeset
|
3083 // If RedefineClasses() was used before the retransformable |
4ceaf61479fc
7122253: Instrumentation.retransformClasses() leaks class bytes
dcubed
parents:
3938
diff
changeset
|
3084 // agent attached, then the cached class bytes may not be the |
4ceaf61479fc
7122253: Instrumentation.retransformClasses() leaks class bytes
dcubed
parents:
3938
diff
changeset
|
3085 // original class bytes. |
0 | 3086 unsigned char *cached_class_file_bytes = NULL; |
3087 jint cached_class_file_length; | |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
3088 Handle class_loader(THREAD, loader_data->class_loader()); |
6934 | 3089 bool has_default_methods = false; |
3090 ResourceMark rm(THREAD); | |
0 | 3091 |
3092 ClassFileStream* cfs = stream(); | |
3093 // Timing | |
875
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3094 assert(THREAD->is_Java_thread(), "must be a JavaThread"); |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3095 JavaThread* jt = (JavaThread*) THREAD; |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3096 |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3097 PerfClassTraceTime ctimer(ClassLoader::perf_class_parse_time(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3098 ClassLoader::perf_class_parse_selftime(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3099 NULL, |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3100 jt->get_thread_stat()->perf_recursion_counts_addr(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3101 jt->get_thread_stat()->perf_timers_addr(), |
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3102 PerfClassTraceTime::PARSE_CLASS); |
0 | 3103 |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3104 init_parsed_class_attributes(); |
0 | 3105 |
3106 if (JvmtiExport::should_post_class_file_load_hook()) { | |
4751
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3107 // Get the cached class file bytes (if any) from the class that |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3108 // is being redefined or retransformed. We use jvmti_thread_state() |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3109 // instead of JvmtiThreadState::state_for(jt) so we don't allocate |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3110 // a JvmtiThreadState any earlier than necessary. This will help |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3111 // avoid the bug described by 7126851. |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3112 JvmtiThreadState *state = jt->jvmti_thread_state(); |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3113 if (state != NULL) { |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3114 KlassHandle *h_class_being_redefined = |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3115 state->get_class_being_redefined(); |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3116 if (h_class_being_redefined != NULL) { |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3117 instanceKlassHandle ikh_class_being_redefined = |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3118 instanceKlassHandle(THREAD, (*h_class_being_redefined)()); |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3119 cached_class_file_bytes = |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3120 ikh_class_being_redefined->get_cached_class_file_bytes(); |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3121 cached_class_file_length = |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3122 ikh_class_being_redefined->get_cached_class_file_len(); |
5b58979183f9
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
dcubed
parents:
4731
diff
changeset
|
3123 } |
4731
4ceaf61479fc
7122253: Instrumentation.retransformClasses() leaks class bytes
dcubed
parents:
3938
diff
changeset
|
3124 } |
4ceaf61479fc
7122253: Instrumentation.retransformClasses() leaks class bytes
dcubed
parents:
3938
diff
changeset
|
3125 |
0 | 3126 unsigned char* ptr = cfs->buffer(); |
3127 unsigned char* end_ptr = cfs->buffer() + cfs->length(); | |
3128 | |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
3129 JvmtiExport::post_class_file_load_hook(name, class_loader(), protection_domain, |
0 | 3130 &ptr, &end_ptr, |
3131 &cached_class_file_bytes, | |
3132 &cached_class_file_length); | |
3133 | |
3134 if (ptr != cfs->buffer()) { | |
3135 // JVMTI agent has modified class file data. | |
3136 // Set new class file stream using JVMTI agent modified | |
3137 // class file data. | |
3138 cfs = new ClassFileStream(ptr, end_ptr - ptr, cfs->source()); | |
3139 set_stream(cfs); | |
3140 } | |
3141 } | |
3142 | |
710 | 3143 _host_klass = host_klass; |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3144 _cp_patches = cp_patches; |
0 | 3145 |
3146 instanceKlassHandle nullHandle; | |
3147 | |
3148 // Figure out whether we can skip format checking (matching classic VM behavior) | |
973
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
879
diff
changeset
|
3149 _need_verify = Verifier::should_verify_for(class_loader(), verify); |
0 | 3150 |
3151 // Set the verify flag in stream | |
3152 cfs->set_verify(_need_verify); | |
3153 | |
3154 // Save the class file name for easier error message printing. | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3155 _class_name = (name != NULL) ? name : vmSymbols::unknown_class_name(); |
0 | 3156 |
3157 cfs->guarantee_more(8, CHECK_(nullHandle)); // magic, major, minor | |
3158 // Magic value | |
3159 u4 magic = cfs->get_u4_fast(); | |
3160 guarantee_property(magic == JAVA_CLASSFILE_MAGIC, | |
3161 "Incompatible magic value %u in class file %s", | |
3162 magic, CHECK_(nullHandle)); | |
3163 | |
3164 // Version numbers | |
3165 u2 minor_version = cfs->get_u2_fast(); | |
3166 u2 major_version = cfs->get_u2_fast(); | |
3167 | |
3168 // Check version numbers - we check this even with verifier off | |
3169 if (!is_supported_version(major_version, minor_version)) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3170 if (name == NULL) { |
0 | 3171 Exceptions::fthrow( |
3172 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3173 vmSymbols::java_lang_UnsupportedClassVersionError(), |
0 | 3174 "Unsupported major.minor version %u.%u", |
3175 major_version, | |
3176 minor_version); | |
3177 } else { | |
3178 ResourceMark rm(THREAD); | |
3179 Exceptions::fthrow( | |
3180 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3181 vmSymbols::java_lang_UnsupportedClassVersionError(), |
0 | 3182 "%s : Unsupported major.minor version %u.%u", |
3183 name->as_C_string(), | |
3184 major_version, | |
3185 minor_version); | |
3186 } | |
3187 return nullHandle; | |
3188 } | |
3189 | |
3190 _major_version = major_version; | |
3191 _minor_version = minor_version; | |
3192 | |
3193 | |
3194 // Check if verification needs to be relaxed for this class file | |
3195 // Do not restrict it to jdk1.0 or jdk1.1 to maintain backward compatibility (4982376) | |
3196 _relax_verify = Verifier::relax_verify_for(class_loader()); | |
3197 | |
3198 // Constant pool | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3199 constantPoolHandle cp = parse_constant_pool(loader_data, CHECK_(nullHandle)); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3200 ConstantPoolCleaner error_handler(cp); // set constant pool to be cleaned up. |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3201 |
0 | 3202 int cp_size = cp->length(); |
3203 | |
3204 cfs->guarantee_more(8, CHECK_(nullHandle)); // flags, this_class, super_class, infs_len | |
3205 | |
3206 // Access flags | |
3207 AccessFlags access_flags; | |
3208 jint flags = cfs->get_u2_fast() & JVM_RECOGNIZED_CLASS_MODIFIERS; | |
3209 | |
3210 if ((flags & JVM_ACC_INTERFACE) && _major_version < JAVA_6_VERSION) { | |
3211 // Set abstract bit for old class files for backward compatibility | |
3212 flags |= JVM_ACC_ABSTRACT; | |
3213 } | |
3214 verify_legal_class_modifiers(flags, CHECK_(nullHandle)); | |
3215 access_flags.set_flags(flags); | |
3216 | |
3217 // This class and superclass | |
3218 instanceKlassHandle super_klass; | |
3219 u2 this_class_index = cfs->get_u2_fast(); | |
3220 check_property( | |
3221 valid_cp_range(this_class_index, cp_size) && | |
3222 cp->tag_at(this_class_index).is_unresolved_klass(), | |
3223 "Invalid this class index %u in constant pool in class file %s", | |
3224 this_class_index, CHECK_(nullHandle)); | |
3225 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3226 Symbol* class_name = cp->unresolved_klass_at(this_class_index); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3227 assert(class_name != NULL, "class_name can't be null"); |
0 | 3228 |
3229 // It's important to set parsed_name *before* resolving the super class. | |
3230 // (it's used for cleanup by the caller if parsing fails) | |
3231 parsed_name = class_name; | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3232 // parsed_name is returned and can be used if there's an error, so add to |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3233 // its reference count. Caller will decrement the refcount. |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3234 parsed_name->increment_refcount(); |
0 | 3235 |
3236 // Update _class_name which could be null previously to be class_name | |
3237 _class_name = class_name; | |
3238 | |
3239 // Don't need to check whether this class name is legal or not. | |
3240 // It has been checked when constant pool is parsed. | |
3241 // However, make sure it is not an array type. | |
3242 if (_need_verify) { | |
3243 guarantee_property(class_name->byte_at(0) != JVM_SIGNATURE_ARRAY, | |
3244 "Bad class name in class file %s", | |
3245 CHECK_(nullHandle)); | |
3246 } | |
3247 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3248 Klass* preserve_this_klass; // for storing result across HandleMark |
0 | 3249 |
3250 // release all handles when parsing is done | |
3251 { HandleMark hm(THREAD); | |
3252 | |
3253 // Checks if name in class file matches requested name | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3254 if (name != NULL && class_name != name) { |
0 | 3255 ResourceMark rm(THREAD); |
3256 Exceptions::fthrow( | |
3257 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3258 vmSymbols::java_lang_NoClassDefFoundError(), |
0 | 3259 "%s (wrong name: %s)", |
3260 name->as_C_string(), | |
3261 class_name->as_C_string() | |
3262 ); | |
3263 return nullHandle; | |
3264 } | |
3265 | |
3266 if (TraceClassLoadingPreorder) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3267 tty->print("[Loading %s", name->as_klass_external_name()); |
0 | 3268 if (cfs->source() != NULL) tty->print(" from %s", cfs->source()); |
3269 tty->print_cr("]"); | |
3270 } | |
3271 | |
3272 u2 super_class_index = cfs->get_u2_fast(); | |
3273 if (super_class_index == 0) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3274 check_property(class_name == vmSymbols::java_lang_Object(), |
0 | 3275 "Invalid superclass index %u in class file %s", |
3276 super_class_index, | |
3277 CHECK_(nullHandle)); | |
3278 } else { | |
3279 check_property(valid_cp_range(super_class_index, cp_size) && | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3280 is_klass_reference(cp, super_class_index), |
0 | 3281 "Invalid superclass index %u in class file %s", |
3282 super_class_index, | |
3283 CHECK_(nullHandle)); | |
3284 // The class name should be legal because it is checked when parsing constant pool. | |
3285 // However, make sure it is not an array type. | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3286 bool is_array = false; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3287 if (cp->tag_at(super_class_index).is_klass()) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3288 super_klass = instanceKlassHandle(THREAD, cp->resolved_klass_at(super_class_index)); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3289 if (_need_verify) |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3290 is_array = super_klass->oop_is_array(); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3291 } else if (_need_verify) { |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3292 is_array = (cp->unresolved_klass_at(super_class_index)->byte_at(0) == JVM_SIGNATURE_ARRAY); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3293 } |
0 | 3294 if (_need_verify) { |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3295 guarantee_property(!is_array, |
0 | 3296 "Bad superclass name in class file %s", CHECK_(nullHandle)); |
3297 } | |
3298 } | |
3299 | |
3300 // Interfaces | |
3301 u2 itfs_len = cfs->get_u2_fast(); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3302 Array<Klass*>* local_interfaces; |
0 | 3303 if (itfs_len == 0) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3304 local_interfaces = Universe::the_empty_klass_array(); |
0 | 3305 } else { |
6934 | 3306 local_interfaces = parse_interfaces( |
3307 cp, itfs_len, loader_data, protection_domain, _class_name, | |
3308 &has_default_methods, CHECK_(nullHandle)); | |
0 | 3309 } |
3310 | |
4744
cd5d8cafcc84
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
3938
diff
changeset
|
3311 u2 java_fields_count = 0; |
0 | 3312 // Fields (offsets are filled in later) |
3938 | 3313 FieldAllocationCount fac; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3314 Array<AnnotationArray*>* fields_annotations = NULL; |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3315 Array<AnnotationArray*>* fields_type_annotations = NULL; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3316 Array<u2>* fields = parse_fields(loader_data, class_name, cp, access_flags.is_interface(), &fac, &fields_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3317 &fields_type_annotations, |
3938 | 3318 &java_fields_count, |
3319 CHECK_(nullHandle)); | |
0 | 3320 // Methods |
3321 bool has_final_method = false; | |
3322 AccessFlags promoted_flags; | |
3323 promoted_flags.set_flags(0); | |
7611
ff0a7943fd29
8005994: Method annotations are allocated unnecessarily during class file parsing
stefank
parents:
7462
diff
changeset
|
3324 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3325 Array<AnnotationArray*>* methods_annotations = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3326 Array<AnnotationArray*>* methods_parameter_annotations = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3327 Array<AnnotationArray*>* methods_default_annotations = NULL; |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3328 Array<AnnotationArray*>* methods_type_annotations = NULL; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3329 Array<Method*>* methods = parse_methods(loader_data, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3330 cp, access_flags.is_interface(), |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3331 &promoted_flags, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3332 &has_final_method, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3333 &methods_annotations, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3334 &methods_parameter_annotations, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3335 &methods_default_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3336 &methods_type_annotations, |
6934 | 3337 &has_default_methods, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3338 CHECK_(nullHandle)); |
0 | 3339 |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3340 // Additional attributes |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3341 ClassAnnotationCollector parsed_annotations; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3342 parse_classfile_attributes(loader_data, cp, &parsed_annotations, CHECK_(nullHandle)); |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3343 |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3344 // Make sure this is the end of class file stream |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3345 guarantee_property(cfs->at_eos(), "Extra bytes at the end of class file %s", CHECK_(nullHandle)); |
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3346 |
0 | 3347 // We check super class after class file is parsed and format is checked |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3348 if (super_class_index > 0 && super_klass.is_null()) { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3349 Symbol* sk = cp->klass_name_at(super_class_index); |
0 | 3350 if (access_flags.is_interface()) { |
3351 // Before attempting to resolve the superclass, check for class format | |
3352 // errors not checked yet. | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3353 guarantee_property(sk == vmSymbols::java_lang_Object(), |
0 | 3354 "Interfaces must have java.lang.Object as superclass in class file %s", |
3355 CHECK_(nullHandle)); | |
3356 } | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3357 Klass* k = SystemDictionary::resolve_super_or_fail(class_name, sk, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3358 class_loader, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3359 protection_domain, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3360 true, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3361 CHECK_(nullHandle)); |
875
6a93908f268f
6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents:
710
diff
changeset
|
3362 |
0 | 3363 KlassHandle kh (THREAD, k); |
3364 super_klass = instanceKlassHandle(THREAD, kh()); | |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3365 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
3366 if (super_klass.not_null()) { |
6934 | 3367 |
3368 if (super_klass->has_default_methods()) { | |
3369 has_default_methods = true; | |
3370 } | |
3371 | |
0 | 3372 if (super_klass->is_interface()) { |
3373 ResourceMark rm(THREAD); | |
3374 Exceptions::fthrow( | |
3375 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3376 vmSymbols::java_lang_IncompatibleClassChangeError(), |
0 | 3377 "class %s has interface %s as super class", |
3378 class_name->as_klass_external_name(), | |
3379 super_klass->external_name() | |
3380 ); | |
3381 return nullHandle; | |
3382 } | |
3383 // Make sure super class is not final | |
3384 if (super_klass->is_final()) { | |
3385 THROW_MSG_(vmSymbols::java_lang_VerifyError(), "Cannot inherit from final class", nullHandle); | |
3386 } | |
3387 } | |
3388 | |
3389 // Compute the transitive list of all unique interfaces implemented by this class | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3390 Array<Klass*>* transitive_interfaces = compute_transitive_interfaces(loader_data, super_klass, local_interfaces, CHECK_(nullHandle)); |
0 | 3391 |
3392 // sort methods | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3393 Array<int>* method_ordering = sort_methods(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3394 methods, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3395 methods_annotations, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3396 methods_parameter_annotations, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3397 methods_default_annotations, |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3398 methods_type_annotations, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3399 CHECK_(nullHandle)); |
0 | 3400 |
3401 // promote flags from parse_methods() to the klass' flags | |
3402 access_flags.add_promoted_flags(promoted_flags.as_int()); | |
3403 | |
3404 // Size of Java vtable (in words) | |
3405 int vtable_size = 0; | |
3406 int itable_size = 0; | |
3407 int num_miranda_methods = 0; | |
3408 | |
6934 | 3409 GrowableArray<Method*> all_mirandas(20); |
3410 | |
3411 klassVtable::compute_vtable_size_and_num_mirandas( | |
3412 &vtable_size, &num_miranda_methods, &all_mirandas, super_klass(), methods, | |
3413 access_flags, class_loader, class_name, local_interfaces, | |
652
4aaa9f5e02a8
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
579
diff
changeset
|
3414 CHECK_(nullHandle)); |
0 | 3415 |
3416 // Size of Java itable (in words) | |
3417 itable_size = access_flags.is_interface() ? 0 : klassItable::compute_itable_size(transitive_interfaces); | |
3418 | |
3419 // Field size and offset computation | |
3420 int nonstatic_field_size = super_klass() == NULL ? 0 : super_klass->nonstatic_field_size(); | |
3421 #ifndef PRODUCT | |
3422 int orig_nonstatic_field_size = 0; | |
3423 #endif | |
3424 int static_field_size = 0; | |
3425 int next_static_oop_offset; | |
3426 int next_static_double_offset; | |
3427 int next_static_word_offset; | |
3428 int next_static_short_offset; | |
3429 int next_static_byte_offset; | |
3430 int next_static_type_offset; | |
3431 int next_nonstatic_oop_offset; | |
3432 int next_nonstatic_double_offset; | |
3433 int next_nonstatic_word_offset; | |
3434 int next_nonstatic_short_offset; | |
3435 int next_nonstatic_byte_offset; | |
3436 int next_nonstatic_type_offset; | |
3437 int first_nonstatic_oop_offset; | |
3438 int first_nonstatic_field_offset; | |
3439 int next_nonstatic_field_offset; | |
3440 | |
3441 // Calculate the starting byte offsets | |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
3442 next_static_oop_offset = InstanceMirrorKlass::offset_of_static_fields(); |
0 | 3443 next_static_double_offset = next_static_oop_offset + |
3938 | 3444 (fac.count[STATIC_OOP] * heapOopSize); |
3445 if ( fac.count[STATIC_DOUBLE] && | |
0 | 3446 (Universe::field_type_should_be_aligned(T_DOUBLE) || |
3447 Universe::field_type_should_be_aligned(T_LONG)) ) { | |
3448 next_static_double_offset = align_size_up(next_static_double_offset, BytesPerLong); | |
3449 } | |
3450 | |
3451 next_static_word_offset = next_static_double_offset + | |
3938 | 3452 (fac.count[STATIC_DOUBLE] * BytesPerLong); |
0 | 3453 next_static_short_offset = next_static_word_offset + |
3938 | 3454 (fac.count[STATIC_WORD] * BytesPerInt); |
0 | 3455 next_static_byte_offset = next_static_short_offset + |
3938 | 3456 (fac.count[STATIC_SHORT] * BytesPerShort); |
0 | 3457 next_static_type_offset = align_size_up((next_static_byte_offset + |
3938 | 3458 fac.count[STATIC_BYTE] ), wordSize ); |
0 | 3459 static_field_size = (next_static_type_offset - |
3460 next_static_oop_offset) / wordSize; | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
3461 |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3462 first_nonstatic_field_offset = instanceOopDesc::base_offset_in_bytes() + |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3463 nonstatic_field_size * heapOopSize; |
0 | 3464 next_nonstatic_field_offset = first_nonstatic_field_offset; |
3465 | |
3938 | 3466 unsigned int nonstatic_double_count = fac.count[NONSTATIC_DOUBLE]; |
3467 unsigned int nonstatic_word_count = fac.count[NONSTATIC_WORD]; | |
3468 unsigned int nonstatic_short_count = fac.count[NONSTATIC_SHORT]; | |
3469 unsigned int nonstatic_byte_count = fac.count[NONSTATIC_BYTE]; | |
3470 unsigned int nonstatic_oop_count = fac.count[NONSTATIC_OOP]; | |
0 | 3471 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3472 bool super_has_nonstatic_fields = |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3473 (super_klass() != NULL && super_klass->has_nonstatic_fields()); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3474 bool has_nonstatic_fields = super_has_nonstatic_fields || |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3475 ((nonstatic_double_count + nonstatic_word_count + |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3476 nonstatic_short_count + nonstatic_byte_count + |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3477 nonstatic_oop_count) != 0); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3478 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3479 |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3480 // Prepare list of oops for oop map generation. |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3481 int* nonstatic_oop_offsets; |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3482 unsigned int* nonstatic_oop_counts; |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3483 unsigned int nonstatic_oop_map_count = 0; |
0 | 3484 |
3485 nonstatic_oop_offsets = NEW_RESOURCE_ARRAY_IN_THREAD( | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3486 THREAD, int, nonstatic_oop_count + 1); |
938 | 3487 nonstatic_oop_counts = NEW_RESOURCE_ARRAY_IN_THREAD( |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3488 THREAD, unsigned int, nonstatic_oop_count + 1); |
0 | 3489 |
3938 | 3490 first_nonstatic_oop_offset = 0; // will be set for first oop field |
0 | 3491 |
3492 #ifndef PRODUCT | |
3493 if( PrintCompactFieldsSavings ) { | |
3494 next_nonstatic_double_offset = next_nonstatic_field_offset + | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3495 (nonstatic_oop_count * heapOopSize); |
0 | 3496 if ( nonstatic_double_count > 0 ) { |
3497 next_nonstatic_double_offset = align_size_up(next_nonstatic_double_offset, BytesPerLong); | |
3498 } | |
3499 next_nonstatic_word_offset = next_nonstatic_double_offset + | |
3500 (nonstatic_double_count * BytesPerLong); | |
3501 next_nonstatic_short_offset = next_nonstatic_word_offset + | |
3502 (nonstatic_word_count * BytesPerInt); | |
3503 next_nonstatic_byte_offset = next_nonstatic_short_offset + | |
3504 (nonstatic_short_count * BytesPerShort); | |
3505 next_nonstatic_type_offset = align_size_up((next_nonstatic_byte_offset + | |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3506 nonstatic_byte_count ), heapOopSize ); |
0 | 3507 orig_nonstatic_field_size = nonstatic_field_size + |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3508 ((next_nonstatic_type_offset - first_nonstatic_field_offset)/heapOopSize); |
0 | 3509 } |
3510 #endif | |
3511 bool compact_fields = CompactFields; | |
3512 int allocation_style = FieldsAllocationStyle; | |
1366
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3513 if( allocation_style < 0 || allocation_style > 2 ) { // Out of range? |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3514 assert(false, "0 <= FieldsAllocationStyle <= 2"); |
0 | 3515 allocation_style = 1; // Optimistic |
3516 } | |
3517 | |
3518 // The next classes have predefined hard-coded fields offsets | |
3519 // (see in JavaClasses::compute_hard_coded_offsets()). | |
3520 // Use default fields allocation order for them. | |
3521 if( (allocation_style != 0 || compact_fields ) && class_loader.is_null() && | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3522 (class_name == vmSymbols::java_lang_AssertionStatusDirectives() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3523 class_name == vmSymbols::java_lang_Class() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3524 class_name == vmSymbols::java_lang_ClassLoader() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3525 class_name == vmSymbols::java_lang_ref_Reference() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3526 class_name == vmSymbols::java_lang_ref_SoftReference() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3527 class_name == vmSymbols::java_lang_StackTraceElement() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3528 class_name == vmSymbols::java_lang_String() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3529 class_name == vmSymbols::java_lang_Throwable() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3530 class_name == vmSymbols::java_lang_Boolean() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3531 class_name == vmSymbols::java_lang_Character() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3532 class_name == vmSymbols::java_lang_Float() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3533 class_name == vmSymbols::java_lang_Double() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3534 class_name == vmSymbols::java_lang_Byte() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3535 class_name == vmSymbols::java_lang_Short() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3536 class_name == vmSymbols::java_lang_Integer() || |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3537 class_name == vmSymbols::java_lang_Long())) { |
0 | 3538 allocation_style = 0; // Allocate oops first |
3539 compact_fields = false; // Don't compact fields | |
3540 } | |
3541 | |
3542 if( allocation_style == 0 ) { | |
3543 // Fields order: oops, longs/doubles, ints, shorts/chars, bytes | |
3544 next_nonstatic_oop_offset = next_nonstatic_field_offset; | |
3545 next_nonstatic_double_offset = next_nonstatic_oop_offset + | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3546 (nonstatic_oop_count * heapOopSize); |
0 | 3547 } else if( allocation_style == 1 ) { |
3548 // Fields order: longs/doubles, ints, shorts/chars, bytes, oops | |
3549 next_nonstatic_double_offset = next_nonstatic_field_offset; | |
1366
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3550 } else if( allocation_style == 2 ) { |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3551 // Fields allocation: oops fields in super and sub classes are together. |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3552 if( nonstatic_field_size > 0 && super_klass() != NULL && |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3553 super_klass->nonstatic_oop_map_size() > 0 ) { |
3786
498c6cf70f7e
7058036: FieldsAllocationStyle=2 does not work in 32-bit VM
kvn
parents:
3245
diff
changeset
|
3554 int map_count = super_klass->nonstatic_oop_map_count(); |
1366
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3555 OopMapBlock* first_map = super_klass->start_of_nonstatic_oop_maps(); |
3786
498c6cf70f7e
7058036: FieldsAllocationStyle=2 does not work in 32-bit VM
kvn
parents:
3245
diff
changeset
|
3556 OopMapBlock* last_map = first_map + map_count - 1; |
1366
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3557 int next_offset = last_map->offset() + (last_map->count() * heapOopSize); |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3558 if (next_offset == next_nonstatic_field_offset) { |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3559 allocation_style = 0; // allocate oops first |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3560 next_nonstatic_oop_offset = next_nonstatic_field_offset; |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3561 next_nonstatic_double_offset = next_nonstatic_oop_offset + |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3562 (nonstatic_oop_count * heapOopSize); |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3563 } |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3564 } |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3565 if( allocation_style == 2 ) { |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3566 allocation_style = 1; // allocate oops last |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3567 next_nonstatic_double_offset = next_nonstatic_field_offset; |
b9d85fcdf743
6940733: allocate non static oop fields in super and sub classes together
kvn
parents:
1144
diff
changeset
|
3568 } |
0 | 3569 } else { |
3570 ShouldNotReachHere(); | |
3571 } | |
3572 | |
3573 int nonstatic_oop_space_count = 0; | |
3574 int nonstatic_word_space_count = 0; | |
3575 int nonstatic_short_space_count = 0; | |
3576 int nonstatic_byte_space_count = 0; | |
3577 int nonstatic_oop_space_offset; | |
3578 int nonstatic_word_space_offset; | |
3579 int nonstatic_short_space_offset; | |
3580 int nonstatic_byte_space_offset; | |
3581 | |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3582 if( nonstatic_double_count > 0 ) { |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3583 int offset = next_nonstatic_double_offset; |
0 | 3584 next_nonstatic_double_offset = align_size_up(offset, BytesPerLong); |
3585 if( compact_fields && offset != next_nonstatic_double_offset ) { | |
3586 // Allocate available fields into the gap before double field. | |
3587 int length = next_nonstatic_double_offset - offset; | |
3588 assert(length == BytesPerInt, ""); | |
3589 nonstatic_word_space_offset = offset; | |
3590 if( nonstatic_word_count > 0 ) { | |
3591 nonstatic_word_count -= 1; | |
3592 nonstatic_word_space_count = 1; // Only one will fit | |
3593 length -= BytesPerInt; | |
3594 offset += BytesPerInt; | |
3595 } | |
3596 nonstatic_short_space_offset = offset; | |
3597 while( length >= BytesPerShort && nonstatic_short_count > 0 ) { | |
3598 nonstatic_short_count -= 1; | |
3599 nonstatic_short_space_count += 1; | |
3600 length -= BytesPerShort; | |
3601 offset += BytesPerShort; | |
3602 } | |
3603 nonstatic_byte_space_offset = offset; | |
3604 while( length > 0 && nonstatic_byte_count > 0 ) { | |
3605 nonstatic_byte_count -= 1; | |
3606 nonstatic_byte_space_count += 1; | |
3607 length -= 1; | |
3608 } | |
3609 // Allocate oop field in the gap if there are no other fields for that. | |
3610 nonstatic_oop_space_offset = offset; | |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3611 if( length >= heapOopSize && nonstatic_oop_count > 0 && |
0 | 3612 allocation_style != 0 ) { // when oop fields not first |
3613 nonstatic_oop_count -= 1; | |
3614 nonstatic_oop_space_count = 1; // Only one will fit | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3615 length -= heapOopSize; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3616 offset += heapOopSize; |
0 | 3617 } |
3618 } | |
3619 } | |
3620 | |
3621 next_nonstatic_word_offset = next_nonstatic_double_offset + | |
3622 (nonstatic_double_count * BytesPerLong); | |
3623 next_nonstatic_short_offset = next_nonstatic_word_offset + | |
3624 (nonstatic_word_count * BytesPerInt); | |
3625 next_nonstatic_byte_offset = next_nonstatic_short_offset + | |
3626 (nonstatic_short_count * BytesPerShort); | |
3627 | |
3628 int notaligned_offset; | |
3629 if( allocation_style == 0 ) { | |
3630 notaligned_offset = next_nonstatic_byte_offset + nonstatic_byte_count; | |
3631 } else { // allocation_style == 1 | |
3632 next_nonstatic_oop_offset = next_nonstatic_byte_offset + nonstatic_byte_count; | |
3633 if( nonstatic_oop_count > 0 ) { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3634 next_nonstatic_oop_offset = align_size_up(next_nonstatic_oop_offset, heapOopSize); |
0 | 3635 } |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3636 notaligned_offset = next_nonstatic_oop_offset + (nonstatic_oop_count * heapOopSize); |
0 | 3637 } |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3638 next_nonstatic_type_offset = align_size_up(notaligned_offset, heapOopSize ); |
0 | 3639 nonstatic_field_size = nonstatic_field_size + ((next_nonstatic_type_offset |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3640 - first_nonstatic_field_offset)/heapOopSize); |
0 | 3641 |
3642 // Iterate over fields again and compute correct offsets. | |
3643 // The field allocation type was temporarily stored in the offset slot. | |
3644 // oop fields are located before non-oop fields (static and non-static). | |
3938 | 3645 for (AllFieldStream fs(fields, cp); !fs.done(); fs.next()) { |
0 | 3646 int real_offset; |
3938 | 3647 FieldAllocationType atype = (FieldAllocationType) fs.offset(); |
0 | 3648 switch (atype) { |
3649 case STATIC_OOP: | |
3650 real_offset = next_static_oop_offset; | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3651 next_static_oop_offset += heapOopSize; |
0 | 3652 break; |
3653 case STATIC_BYTE: | |
3654 real_offset = next_static_byte_offset; | |
3655 next_static_byte_offset += 1; | |
3656 break; | |
3657 case STATIC_SHORT: | |
3658 real_offset = next_static_short_offset; | |
3659 next_static_short_offset += BytesPerShort; | |
3660 break; | |
3661 case STATIC_WORD: | |
3662 real_offset = next_static_word_offset; | |
3663 next_static_word_offset += BytesPerInt; | |
3664 break; | |
3665 case STATIC_DOUBLE: | |
3666 real_offset = next_static_double_offset; | |
3667 next_static_double_offset += BytesPerLong; | |
3668 break; | |
3669 case NONSTATIC_OOP: | |
3670 if( nonstatic_oop_space_count > 0 ) { | |
3671 real_offset = nonstatic_oop_space_offset; | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3672 nonstatic_oop_space_offset += heapOopSize; |
0 | 3673 nonstatic_oop_space_count -= 1; |
3674 } else { | |
3675 real_offset = next_nonstatic_oop_offset; | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
92
diff
changeset
|
3676 next_nonstatic_oop_offset += heapOopSize; |
0 | 3677 } |
3678 // Update oop maps | |
3679 if( nonstatic_oop_map_count > 0 && | |
3680 nonstatic_oop_offsets[nonstatic_oop_map_count - 1] == | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3681 real_offset - |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3682 int(nonstatic_oop_counts[nonstatic_oop_map_count - 1]) * |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3683 heapOopSize ) { |
0 | 3684 // Extend current oop map |
938 | 3685 nonstatic_oop_counts[nonstatic_oop_map_count - 1] += 1; |
0 | 3686 } else { |
3687 // Create new oop map | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3688 nonstatic_oop_offsets[nonstatic_oop_map_count] = real_offset; |
938 | 3689 nonstatic_oop_counts [nonstatic_oop_map_count] = 1; |
0 | 3690 nonstatic_oop_map_count += 1; |
3691 if( first_nonstatic_oop_offset == 0 ) { // Undefined | |
3692 first_nonstatic_oop_offset = real_offset; | |
3693 } | |
3694 } | |
3695 break; | |
3696 case NONSTATIC_BYTE: | |
3697 if( nonstatic_byte_space_count > 0 ) { | |
3698 real_offset = nonstatic_byte_space_offset; | |
3699 nonstatic_byte_space_offset += 1; | |
3700 nonstatic_byte_space_count -= 1; | |
3701 } else { | |
3702 real_offset = next_nonstatic_byte_offset; | |
3703 next_nonstatic_byte_offset += 1; | |
3704 } | |
3705 break; | |
3706 case NONSTATIC_SHORT: | |
3707 if( nonstatic_short_space_count > 0 ) { | |
3708 real_offset = nonstatic_short_space_offset; | |
3709 nonstatic_short_space_offset += BytesPerShort; | |
3710 nonstatic_short_space_count -= 1; | |
3711 } else { | |
3712 real_offset = next_nonstatic_short_offset; | |
3713 next_nonstatic_short_offset += BytesPerShort; | |
3714 } | |
3715 break; | |
3716 case NONSTATIC_WORD: | |
3717 if( nonstatic_word_space_count > 0 ) { | |
3718 real_offset = nonstatic_word_space_offset; | |
3719 nonstatic_word_space_offset += BytesPerInt; | |
3720 nonstatic_word_space_count -= 1; | |
3721 } else { | |
3722 real_offset = next_nonstatic_word_offset; | |
3723 next_nonstatic_word_offset += BytesPerInt; | |
3724 } | |
3725 break; | |
3726 case NONSTATIC_DOUBLE: | |
3727 real_offset = next_nonstatic_double_offset; | |
3728 next_nonstatic_double_offset += BytesPerLong; | |
3729 break; | |
3730 default: | |
3731 ShouldNotReachHere(); | |
3732 } | |
3938 | 3733 fs.set_offset(real_offset); |
0 | 3734 } |
3735 | |
3736 // Size of instances | |
3737 int instance_size; | |
3738 | |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3739 next_nonstatic_type_offset = align_size_up(notaligned_offset, wordSize ); |
0 | 3740 instance_size = align_object_size(next_nonstatic_type_offset / wordSize); |
3741 | |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
3742 assert(instance_size == align_object_size(align_size_up((instanceOopDesc::base_offset_in_bytes() + nonstatic_field_size*heapOopSize), wordSize) / wordSize), "consistent layout helper value"); |
0 | 3743 |
938 | 3744 // Number of non-static oop map blocks allocated at end of klass. |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3745 const unsigned int total_oop_map_count = |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3746 compute_oop_map_count(super_klass, nonstatic_oop_map_count, |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
3747 first_nonstatic_oop_offset); |
0 | 3748 |
3749 // Compute reference type | |
3750 ReferenceType rt; | |
3751 if (super_klass() == NULL) { | |
3752 rt = REF_NONE; | |
3753 } else { | |
3754 rt = super_klass->reference_type(); | |
3755 } | |
3756 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3757 // We can now create the basic Klass* for this klass |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3758 int total_oop_map_size2 = |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3759 InstanceKlass::nonstatic_oop_map_size(total_oop_map_count); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3760 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3761 Klass* ik = InstanceKlass::allocate_instance_klass(loader_data, |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3762 vtable_size, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3763 itable_size, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3764 static_field_size, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3765 total_oop_map_size2, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3766 rt, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3767 access_flags, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3768 name, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3769 super_klass(), |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3770 host_klass, |
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
3771 CHECK_(nullHandle)); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3772 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3773 // Add all classes to our internal class loader list here, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3774 // including classes in the bootstrap (NULL) class loader. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3775 loader_data->add_class(ik); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3776 |
0 | 3777 instanceKlassHandle this_klass (THREAD, ik); |
3778 | |
938 | 3779 assert(this_klass->static_field_size() == static_field_size, "sanity"); |
3780 assert(this_klass->nonstatic_oop_map_count() == total_oop_map_count, | |
3781 "sanity"); | |
0 | 3782 |
3783 // Fill in information already parsed | |
975 | 3784 this_klass->set_should_verify_class(verify); |
0 | 3785 jint lh = Klass::instance_layout_helper(instance_size, false); |
3786 this_klass->set_layout_helper(lh); | |
3787 assert(this_klass->oop_is_instance(), "layout is correct"); | |
3788 assert(this_klass->size_helper() == instance_size, "correct size_helper"); | |
3789 // Not yet: supers are done below to support the new subtype-checking fields | |
3790 //this_klass->set_super(super_klass()); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3791 this_klass->set_class_loader_data(loader_data); |
0 | 3792 this_klass->set_nonstatic_field_size(nonstatic_field_size); |
975 | 3793 this_klass->set_has_nonstatic_fields(has_nonstatic_fields); |
3938 | 3794 this_klass->set_static_oop_field_count(fac.count[STATIC_OOP]); |
0 | 3795 cp->set_pool_holder(this_klass()); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
3796 error_handler.set_in_error(false); // turn off error handler for cp |
0 | 3797 this_klass->set_constants(cp()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3798 this_klass->set_local_interfaces(local_interfaces); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3799 this_klass->set_fields(fields, java_fields_count); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3800 this_klass->set_methods(methods); |
0 | 3801 if (has_final_method) { |
3802 this_klass->set_has_final_method(); | |
3803 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3804 this_klass->set_method_ordering(method_ordering); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3805 // The InstanceKlass::_methods_jmethod_ids cache and the |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3806 // InstanceKlass::_methods_cached_itable_indices cache are |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
3807 // both managed on the assumption that the initial cache |
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
3808 // size is equal to the number of methods in the class. If |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3809 // that changes, then InstanceKlass::idnum_can_increment() |
977
74a5db69c1fe
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
975
diff
changeset
|
3810 // has to be changed accordingly. |
0 | 3811 this_klass->set_initial_method_idnum(methods->length()); |
3812 this_klass->set_name(cp->klass_name_at(this_class_index)); | |
6852 | 3813 if (is_anonymous()) // I am well known to myself |
474
7a018855d2f0
6779339: turn off LinkWellKnownClasses by default pending further testing
jrose
parents:
431
diff
changeset
|
3814 cp->klass_at_put(this_class_index, this_klass()); // eagerly resolve |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3815 |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3816 // Allocate an annotation type if needed. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3817 if (fields_annotations != NULL || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3818 methods_annotations != NULL || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3819 methods_parameter_annotations != NULL || |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3820 methods_default_annotations != NULL || |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3821 fields_type_annotations != NULL || |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3822 methods_type_annotations != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3823 Annotations* anno = Annotations::allocate(loader_data, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3824 fields_annotations, methods_annotations, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3825 methods_parameter_annotations, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3826 methods_default_annotations, CHECK_(nullHandle)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3827 this_klass->set_annotations(anno); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3828 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3829 this_klass->set_annotations(NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3830 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3831 |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3832 if (fields_type_annotations != NULL || |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3833 methods_type_annotations != NULL) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3834 assert(this_klass->annotations() != NULL, "annotations should have been allocated"); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3835 Annotations* anno = Annotations::allocate(loader_data, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3836 fields_type_annotations, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3837 methods_type_annotations, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3838 NULL, |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3839 NULL, CHECK_(nullHandle)); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3840 this_klass->annotations()->set_type_annotations(anno); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3841 } |
0 | 3842 |
3843 this_klass->set_minor_version(minor_version); | |
3844 this_klass->set_major_version(major_version); | |
6934 | 3845 this_klass->set_has_default_methods(has_default_methods); |
0 | 3846 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3847 // Set up Method*::intrinsic_id as soon as we know the names of methods. |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
710
diff
changeset
|
3848 // (We used to do this lazily, but now we query it in Rewriter, |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
710
diff
changeset
|
3849 // which is eagerly done for every method, so we might as well do it now, |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
710
diff
changeset
|
3850 // when everything is fresh in memory.) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3851 if (Method::klass_id_for_intrinsics(this_klass()) != vmSymbols::NO_SID) { |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
710
diff
changeset
|
3852 for (int j = 0; j < methods->length(); j++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3853 methods->at(j)->init_intrinsic_id(); |
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
710
diff
changeset
|
3854 } |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
710
diff
changeset
|
3855 } |
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
710
diff
changeset
|
3856 |
0 | 3857 if (cached_class_file_bytes != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3858 // JVMTI: we have an InstanceKlass now, tell it about the cached bytes |
0 | 3859 this_klass->set_cached_class_file(cached_class_file_bytes, |
3860 cached_class_file_length); | |
3861 } | |
3862 | |
6934 | 3863 // Fill in field values obtained by parse_classfile_attributes |
3864 if (parsed_annotations.has_any_annotations()) | |
3865 parsed_annotations.apply_to(this_klass); | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3866 |
6934 | 3867 // Create annotations |
3868 if (_annotations != NULL && this_klass->annotations() == NULL) { | |
3869 Annotations* anno = Annotations::allocate(loader_data, CHECK_NULL); | |
3870 this_klass->set_annotations(anno); | |
3871 } | |
3872 apply_parsed_class_attributes(this_klass); | |
3873 | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3874 // Create type annotations |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3875 if (_type_annotations != NULL) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3876 if (this_klass->annotations() == NULL) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3877 Annotations* anno = Annotations::allocate(loader_data, CHECK_NULL); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3878 this_klass->set_annotations(anno); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3879 } |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3880 if (this_klass->annotations()->type_annotations() == NULL) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3881 Annotations* anno = Annotations::allocate(loader_data, CHECK_NULL); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3882 this_klass->annotations()->set_type_annotations(anno); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3883 } |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3884 this_klass->annotations()->type_annotations()->set_class_annotations(_type_annotations); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3885 } |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7187
diff
changeset
|
3886 |
0 | 3887 // Miranda methods |
3888 if ((num_miranda_methods > 0) || | |
3889 // if this class introduced new miranda methods or | |
3890 (super_klass.not_null() && (super_klass->has_miranda_methods())) | |
3891 // super class exists and this class inherited miranda methods | |
3892 ) { | |
3893 this_klass->set_has_miranda_methods(); // then set a flag | |
3894 } | |
3895 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3896 this_klass->set_transitive_interfaces(transitive_interfaces); |
0 | 3897 |
3898 // Fill in information needed to compute superclasses. | |
3899 this_klass->initialize_supers(super_klass(), CHECK_(nullHandle)); | |
3900 | |
3901 // Initialize itable offset tables | |
3902 klassItable::setup_itable_offset_table(this_klass); | |
3903 | |
6934 | 3904 // Compute transitive closure of interfaces this class implements |
0 | 3905 // Do final class setup |
938 | 3906 fill_oop_maps(this_klass, nonstatic_oop_map_count, nonstatic_oop_offsets, nonstatic_oop_counts); |
0 | 3907 |
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6100
diff
changeset
|
3908 // Fill in has_finalizer, has_vanilla_constructor, and layout_helper |
0 | 3909 set_precomputed_flags(this_klass); |
3910 | |
3911 // reinitialize modifiers, using the InnerClasses attribute | |
3912 int computed_modifiers = this_klass->compute_modifier_flags(CHECK_(nullHandle)); | |
3913 this_klass->set_modifier_flags(computed_modifiers); | |
3914 | |
3915 // check if this class can access its super class | |
3916 check_super_class_access(this_klass, CHECK_(nullHandle)); | |
3917 | |
3918 // check if this class can access its superinterfaces | |
3919 check_super_interface_access(this_klass, CHECK_(nullHandle)); | |
3920 | |
3921 // check if this class overrides any final method | |
3922 check_final_method_override(this_klass, CHECK_(nullHandle)); | |
3923 | |
3924 // check that if this class is an interface then it doesn't have static methods | |
3925 if (this_klass->is_interface()) { | |
3926 check_illegal_static_method(this_klass, CHECK_(nullHandle)); | |
3927 } | |
3928 | |
6934 | 3929 |
3930 #ifdef ASSERT | |
3931 if (ParseAllGenericSignatures) { | |
3932 parseAndPrintGenericSignatures(this_klass, CHECK_(nullHandle)); | |
3933 } | |
3934 #endif | |
3935 | |
3936 // Generate any default methods - default methods are interface methods | |
3937 // that have a default implementation. This is new with Lambda project. | |
3938 if (has_default_methods && !access_flags.is_interface() && | |
3939 local_interfaces->length() > 0) { | |
3940 DefaultMethods::generate_default_methods( | |
3941 this_klass(), &all_mirandas, CHECK_(nullHandle)); | |
3942 } | |
3943 | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
3944 // Allocate mirror and initialize static fields |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
3945 java_lang_Class::create_mirror(this_klass, CHECK_(nullHandle)); |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
3946 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3947 // Allocate a simple java object for locking during class initialization. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3948 // This needs to be a java object because it can be held across a java call. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3949 typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3950 this_klass->set_init_lock(r); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3951 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3952 // TODO: Move these oops to the mirror |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3953 this_klass->set_protection_domain(protection_domain()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3954 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3955 // Update the loader_data graph. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3956 record_defined_class_dependencies(this_klass, CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3957 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3958 ClassLoadingService::notify_class_loaded(InstanceKlass::cast(this_klass()), |
0 | 3959 false /* not shared class */); |
3960 | |
3961 if (TraceClassLoading) { | |
6934 | 3962 ResourceMark rm; |
0 | 3963 // print in a single call to reduce interleaving of output |
3964 if (cfs->source() != NULL) { | |
3965 tty->print("[Loaded %s from %s]\n", this_klass->external_name(), | |
3966 cfs->source()); | |
3967 } else if (class_loader.is_null()) { | |
3968 if (THREAD->is_Java_thread()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3969 Klass* caller = ((JavaThread*)THREAD)->security_get_caller_class(1); |
0 | 3970 tty->print("[Loaded %s by instance of %s]\n", |
3971 this_klass->external_name(), | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3972 InstanceKlass::cast(caller)->external_name()); |
0 | 3973 } else { |
3974 tty->print("[Loaded %s]\n", this_klass->external_name()); | |
3975 } | |
3976 } else { | |
3977 tty->print("[Loaded %s from %s]\n", this_klass->external_name(), | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3978 InstanceKlass::cast(class_loader->klass())->external_name()); |
0 | 3979 } |
3980 } | |
3981 | |
3982 if (TraceClassResolution) { | |
6934 | 3983 ResourceMark rm; |
0 | 3984 // print out the superclass. |
6983 | 3985 const char * from = this_klass()->external_name(); |
0 | 3986 if (this_klass->java_super() != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3987 tty->print("RESOLVE %s %s (super)\n", from, InstanceKlass::cast(this_klass->java_super())->external_name()); |
0 | 3988 } |
3989 // print out each of the interface classes referred to by this class. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3990 Array<Klass*>* local_interfaces = this_klass->local_interfaces(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3991 if (local_interfaces != NULL) { |
0 | 3992 int length = local_interfaces->length(); |
3993 for (int i = 0; i < length; i++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3994 Klass* k = local_interfaces->at(i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3995 InstanceKlass* to_class = InstanceKlass::cast(k); |
0 | 3996 const char * to = to_class->external_name(); |
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
652
diff
changeset
|
3997 tty->print("RESOLVE %s %s (interface)\n", from, to); |
0 | 3998 } |
3999 } | |
4000 } | |
4001 | |
4002 #ifndef PRODUCT | |
4003 if( PrintCompactFieldsSavings ) { | |
6934 | 4004 ResourceMark rm; |
0 | 4005 if( nonstatic_field_size < orig_nonstatic_field_size ) { |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
4006 tty->print("[Saved %d of %d bytes in %s]\n", |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
4007 (orig_nonstatic_field_size - nonstatic_field_size)*heapOopSize, |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
4008 orig_nonstatic_field_size*heapOopSize, |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
4009 this_klass->external_name()); |
0 | 4010 } else if( nonstatic_field_size > orig_nonstatic_field_size ) { |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
4011 tty->print("[Wasted %d over %d bytes in %s]\n", |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
4012 (nonstatic_field_size - orig_nonstatic_field_size)*heapOopSize, |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
4013 orig_nonstatic_field_size*heapOopSize, |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
136
diff
changeset
|
4014 this_klass->external_name()); |
0 | 4015 } |
4016 } | |
4017 #endif | |
4018 | |
4019 // preserve result across HandleMark | |
4020 preserve_this_klass = this_klass(); | |
4021 } | |
4022 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4023 // Create new handle outside HandleMark (might be needed for |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4024 // Extended Class Redefinition) |
0 | 4025 instanceKlassHandle this_klass (THREAD, preserve_this_klass); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4026 debug_only(this_klass->verify();) |
0 | 4027 |
4028 return this_klass; | |
4029 } | |
4030 | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4031 unsigned int |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4032 ClassFileParser::compute_oop_map_count(instanceKlassHandle super, |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4033 unsigned int nonstatic_oop_map_count, |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4034 int first_nonstatic_oop_offset) { |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4035 unsigned int map_count = |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4036 super.is_null() ? 0 : super->nonstatic_oop_map_count(); |
0 | 4037 if (nonstatic_oop_map_count > 0) { |
4038 // We have oops to add to map | |
938 | 4039 if (map_count == 0) { |
4040 map_count = nonstatic_oop_map_count; | |
0 | 4041 } else { |
938 | 4042 // Check whether we should add a new map block or whether the last one can |
4043 // be extended | |
4044 OopMapBlock* const first_map = super->start_of_nonstatic_oop_maps(); | |
4045 OopMapBlock* const last_map = first_map + map_count - 1; | |
4046 | |
4047 int next_offset = last_map->offset() + last_map->count() * heapOopSize; | |
0 | 4048 if (next_offset == first_nonstatic_oop_offset) { |
4049 // There is no gap bettwen superklass's last oop field and first | |
4050 // local oop field, merge maps. | |
4051 nonstatic_oop_map_count -= 1; | |
4052 } else { | |
4053 // Superklass didn't end with a oop field, add extra maps | |
938 | 4054 assert(next_offset < first_nonstatic_oop_offset, "just checking"); |
0 | 4055 } |
938 | 4056 map_count += nonstatic_oop_map_count; |
0 | 4057 } |
4058 } | |
938 | 4059 return map_count; |
0 | 4060 } |
4061 | |
4062 | |
4063 void ClassFileParser::fill_oop_maps(instanceKlassHandle k, | |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4064 unsigned int nonstatic_oop_map_count, |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4065 int* nonstatic_oop_offsets, |
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4066 unsigned int* nonstatic_oop_counts) { |
0 | 4067 OopMapBlock* this_oop_map = k->start_of_nonstatic_oop_maps(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4068 const InstanceKlass* const super = k->superklass(); |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4069 const unsigned int super_count = super ? super->nonstatic_oop_map_count() : 0; |
938 | 4070 if (super_count > 0) { |
4071 // Copy maps from superklass | |
0 | 4072 OopMapBlock* super_oop_map = super->start_of_nonstatic_oop_maps(); |
939
9eebd3ac74cf
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
938
diff
changeset
|
4073 for (unsigned int i = 0; i < super_count; ++i) { |
0 | 4074 *this_oop_map++ = *super_oop_map++; |
4075 } | |
4076 } | |
938 | 4077 |
0 | 4078 if (nonstatic_oop_map_count > 0) { |
938 | 4079 if (super_count + nonstatic_oop_map_count > k->nonstatic_oop_map_count()) { |
4080 // The counts differ because there is no gap between superklass's last oop | |
4081 // field and the first local oop field. Extend the last oop map copied | |
0 | 4082 // from the superklass instead of creating new one. |
4083 nonstatic_oop_map_count--; | |
4084 nonstatic_oop_offsets++; | |
4085 this_oop_map--; | |
938 | 4086 this_oop_map->set_count(this_oop_map->count() + *nonstatic_oop_counts++); |
0 | 4087 this_oop_map++; |
4088 } | |
938 | 4089 |
0 | 4090 // Add new map blocks, fill them |
4091 while (nonstatic_oop_map_count-- > 0) { | |
4092 this_oop_map->set_offset(*nonstatic_oop_offsets++); | |
938 | 4093 this_oop_map->set_count(*nonstatic_oop_counts++); |
0 | 4094 this_oop_map++; |
4095 } | |
938 | 4096 assert(k->start_of_nonstatic_oop_maps() + k->nonstatic_oop_map_count() == |
4097 this_oop_map, "sanity"); | |
0 | 4098 } |
4099 } | |
4100 | |
4101 | |
4102 void ClassFileParser::set_precomputed_flags(instanceKlassHandle k) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4103 Klass* super = k->super(); |
0 | 4104 |
4105 // Check if this klass has an empty finalize method (i.e. one with return bytecode only), | |
4106 // in which case we don't have to register objects as finalizable | |
4107 if (!_has_empty_finalizer) { | |
4108 if (_has_finalizer || | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4109 (super != NULL && super->has_finalizer())) { |
0 | 4110 k->set_has_finalizer(); |
4111 } | |
4112 } | |
4113 | |
4114 #ifdef ASSERT | |
4115 bool f = false; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4116 Method* m = k->lookup_method(vmSymbols::finalize_method_name(), |
0 | 4117 vmSymbols::void_method_signature()); |
4118 if (m != NULL && !m->is_empty_method()) { | |
4119 f = true; | |
4120 } | |
4121 assert(f == k->has_finalizer(), "inconsistent has_finalizer"); | |
4122 #endif | |
4123 | |
4124 // Check if this klass supports the java.lang.Cloneable interface | |
1142 | 4125 if (SystemDictionary::Cloneable_klass_loaded()) { |
4126 if (k->is_subtype_of(SystemDictionary::Cloneable_klass())) { | |
0 | 4127 k->set_is_cloneable(); |
4128 } | |
4129 } | |
4130 | |
4131 // Check if this klass has a vanilla default constructor | |
4132 if (super == NULL) { | |
4133 // java.lang.Object has empty default constructor | |
4134 k->set_has_vanilla_constructor(); | |
4135 } else { | |
6983 | 4136 if (super->has_vanilla_constructor() && |
0 | 4137 _has_vanilla_constructor) { |
4138 k->set_has_vanilla_constructor(); | |
4139 } | |
4140 #ifdef ASSERT | |
4141 bool v = false; | |
6983 | 4142 if (super->has_vanilla_constructor()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4143 Method* constructor = k->find_method(vmSymbols::object_initializer_name( |
0 | 4144 ), vmSymbols::void_method_signature()); |
4145 if (constructor != NULL && constructor->is_vanilla_constructor()) { | |
4146 v = true; | |
4147 } | |
4148 } | |
4149 assert(v == k->has_vanilla_constructor(), "inconsistent has_vanilla_constructor"); | |
4150 #endif | |
4151 } | |
4152 | |
4153 // If it cannot be fast-path allocated, set a bit in the layout helper. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4154 // See documentation of InstanceKlass::can_be_fastpath_allocated(). |
0 | 4155 assert(k->size_helper() > 0, "layout_helper is initialized"); |
4156 if ((!RegisterFinalizersAtInit && k->has_finalizer()) | |
4157 || k->is_abstract() || k->is_interface() | |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6983
diff
changeset
|
4158 || (k->name() == vmSymbols::java_lang_Class() && k->class_loader() == NULL) |
0 | 4159 || k->size_helper() >= FastAllocateSizeLimit) { |
4160 // Forbid fast-path allocation. | |
4161 jint lh = Klass::instance_layout_helper(k->size_helper(), true); | |
4162 k->set_layout_helper(lh); | |
4163 } | |
4164 } | |
4165 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4166 // Attach super classes and interface classes to class loader data |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4167 void ClassFileParser::record_defined_class_dependencies(instanceKlassHandle defined_klass, TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4168 ClassLoaderData * defining_loader_data = defined_klass->class_loader_data(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4169 if (defining_loader_data->is_the_null_class_loader_data()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4170 // Dependencies to null class loader data are implicit. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4171 return; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4172 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4173 // add super class dependency |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4174 Klass* super = defined_klass->super(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4175 if (super != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4176 defining_loader_data->record_dependency(super, CHECK); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4177 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4178 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4179 // add super interface dependencies |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4180 Array<Klass*>* local_interfaces = defined_klass->local_interfaces(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4181 if (local_interfaces != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4182 int length = local_interfaces->length(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4183 for (int i = 0; i < length; i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4184 defining_loader_data->record_dependency(local_interfaces->at(i), CHECK); |
0 | 4185 } |
4186 } | |
4187 } | |
4188 } | |
4189 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4190 // utility method for appending and array with check for duplicates |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4191 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4192 void append_interfaces(GrowableArray<Klass*>* result, Array<Klass*>* ifs) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4193 // iterate over new interfaces |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4194 for (int i = 0; i < ifs->length(); i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4195 Klass* e = ifs->at(i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4196 assert(e->is_klass() && InstanceKlass::cast(e)->is_interface(), "just checking"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4197 // add new interface |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4198 result->append_if_missing(e); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4199 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4200 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4201 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4202 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4203 Array<Klass*>* ClassFileParser::compute_transitive_interfaces(ClassLoaderData* loader_data, instanceKlassHandle super, Array<Klass*>* local_ifs, TRAPS) { |
0 | 4204 // Compute maximum size for transitive interfaces |
4205 int max_transitive_size = 0; | |
4206 int super_size = 0; | |
4207 // Add superclass transitive interfaces size | |
4208 if (super.not_null()) { | |
4209 super_size = super->transitive_interfaces()->length(); | |
4210 max_transitive_size += super_size; | |
4211 } | |
4212 // Add local interfaces' super interfaces | |
4213 int local_size = local_ifs->length(); | |
4214 for (int i = 0; i < local_size; i++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4215 Klass* l = local_ifs->at(i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4216 max_transitive_size += InstanceKlass::cast(l)->transitive_interfaces()->length(); |
0 | 4217 } |
4218 // Finally add local interfaces | |
4219 max_transitive_size += local_size; | |
4220 // Construct array | |
4221 if (max_transitive_size == 0) { | |
4222 // no interfaces, use canonicalized array | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4223 return Universe::the_empty_klass_array(); |
0 | 4224 } else if (max_transitive_size == super_size) { |
4225 // no new local interfaces added, share superklass' transitive interface array | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4226 return super->transitive_interfaces(); |
0 | 4227 } else if (max_transitive_size == local_size) { |
4228 // only local interfaces added, share local interface array | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4229 return local_ifs; |
0 | 4230 } else { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4231 ResourceMark rm; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4232 GrowableArray<Klass*>* result = new GrowableArray<Klass*>(max_transitive_size); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4233 |
0 | 4234 // Copy down from superclass |
4235 if (super.not_null()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4236 append_interfaces(result, super->transitive_interfaces()); |
0 | 4237 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4238 |
0 | 4239 // Copy down from local interfaces' superinterfaces |
4240 for (int i = 0; i < local_ifs->length(); i++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4241 Klass* l = local_ifs->at(i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4242 append_interfaces(result, InstanceKlass::cast(l)->transitive_interfaces()); |
0 | 4243 } |
4244 // Finally add local interfaces | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4245 append_interfaces(result, local_ifs); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4246 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4247 // length will be less than the max_transitive_size if duplicates were removed |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4248 int length = result->length(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4249 assert(length <= max_transitive_size, "just checking"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4250 Array<Klass*>* new_result = MetadataFactory::new_array<Klass*>(loader_data, length, CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4251 for (int i = 0; i < length; i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4252 Klass* e = result->at(i); |
0 | 4253 assert(e != NULL, "just checking"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4254 new_result->at_put(i, e); |
0 | 4255 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4256 return new_result; |
0 | 4257 } |
4258 } | |
4259 | |
4260 | |
4261 void ClassFileParser::check_super_class_access(instanceKlassHandle this_klass, TRAPS) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4262 Klass* super = this_klass->super(); |
0 | 4263 if ((super != NULL) && |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4264 (!Reflection::verify_class_access(this_klass(), super, false))) { |
0 | 4265 ResourceMark rm(THREAD); |
4266 Exceptions::fthrow( | |
4267 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4268 vmSymbols::java_lang_IllegalAccessError(), |
0 | 4269 "class %s cannot access its superclass %s", |
4270 this_klass->external_name(), | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4271 InstanceKlass::cast(super)->external_name() |
0 | 4272 ); |
4273 return; | |
4274 } | |
4275 } | |
4276 | |
4277 | |
4278 void ClassFileParser::check_super_interface_access(instanceKlassHandle this_klass, TRAPS) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4279 Array<Klass*>* local_interfaces = this_klass->local_interfaces(); |
0 | 4280 int lng = local_interfaces->length(); |
4281 for (int i = lng - 1; i >= 0; i--) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4282 Klass* k = local_interfaces->at(i); |
6983 | 4283 assert (k != NULL && k->is_interface(), "invalid interface"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4284 if (!Reflection::verify_class_access(this_klass(), k, false)) { |
0 | 4285 ResourceMark rm(THREAD); |
4286 Exceptions::fthrow( | |
4287 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4288 vmSymbols::java_lang_IllegalAccessError(), |
0 | 4289 "class %s cannot access its superinterface %s", |
4290 this_klass->external_name(), | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4291 InstanceKlass::cast(k)->external_name() |
0 | 4292 ); |
4293 return; | |
4294 } | |
4295 } | |
4296 } | |
4297 | |
4298 | |
4299 void ClassFileParser::check_final_method_override(instanceKlassHandle this_klass, TRAPS) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4300 Array<Method*>* methods = this_klass->methods(); |
0 | 4301 int num_methods = methods->length(); |
4302 | |
4303 // go thru each method and check if it overrides a final method | |
4304 for (int index = 0; index < num_methods; index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4305 Method* m = methods->at(index); |
0 | 4306 |
4307 // skip private, static and <init> methods | |
4308 if ((!m->is_private()) && | |
4309 (!m->is_static()) && | |
4310 (m->name() != vmSymbols::object_initializer_name())) { | |
4311 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4312 Symbol* name = m->name(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4313 Symbol* signature = m->signature(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4314 Klass* k = this_klass->super(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4315 Method* super_m = NULL; |
0 | 4316 while (k != NULL) { |
4317 // skip supers that don't have final methods. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4318 if (k->has_final_method()) { |
0 | 4319 // lookup a matching method in the super class hierarchy |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4320 super_m = InstanceKlass::cast(k)->lookup_method(name, signature); |
0 | 4321 if (super_m == NULL) { |
4322 break; // didn't find any match; get out | |
4323 } | |
4324 | |
4325 if (super_m->is_final() && | |
4326 // matching method in super is final | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4327 (Reflection::verify_field_access(this_klass(), |
0 | 4328 super_m->method_holder(), |
4329 super_m->method_holder(), | |
4330 super_m->access_flags(), false)) | |
4331 // this class can access super final method and therefore override | |
4332 ) { | |
4333 ResourceMark rm(THREAD); | |
4334 Exceptions::fthrow( | |
4335 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4336 vmSymbols::java_lang_VerifyError(), |
0 | 4337 "class %s overrides final method %s.%s", |
4338 this_klass->external_name(), | |
4339 name->as_C_string(), | |
4340 signature->as_C_string() | |
4341 ); | |
4342 return; | |
4343 } | |
4344 | |
4345 // continue to look from super_m's holder's super. | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
4346 k = super_m->method_holder()->super(); |
0 | 4347 continue; |
4348 } | |
4349 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4350 k = k->super(); |
0 | 4351 } |
4352 } | |
4353 } | |
4354 } | |
4355 | |
4356 | |
4357 // assumes that this_klass is an interface | |
4358 void ClassFileParser::check_illegal_static_method(instanceKlassHandle this_klass, TRAPS) { | |
4359 assert(this_klass->is_interface(), "not an interface"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4360 Array<Method*>* methods = this_klass->methods(); |
0 | 4361 int num_methods = methods->length(); |
4362 | |
4363 for (int index = 0; index < num_methods; index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4364 Method* m = methods->at(index); |
0 | 4365 // if m is static and not the init method, throw a verify error |
4366 if ((m->is_static()) && (m->name() != vmSymbols::class_initializer_name())) { | |
4367 ResourceMark rm(THREAD); | |
4368 Exceptions::fthrow( | |
4369 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4370 vmSymbols::java_lang_VerifyError(), |
0 | 4371 "Illegal static method %s in interface %s", |
4372 m->name()->as_C_string(), | |
4373 this_klass->external_name() | |
4374 ); | |
4375 return; | |
4376 } | |
4377 } | |
4378 } | |
4379 | |
4380 // utility methods for format checking | |
4381 | |
4382 void ClassFileParser::verify_legal_class_modifiers(jint flags, TRAPS) { | |
4383 if (!_need_verify) { return; } | |
4384 | |
4385 const bool is_interface = (flags & JVM_ACC_INTERFACE) != 0; | |
4386 const bool is_abstract = (flags & JVM_ACC_ABSTRACT) != 0; | |
4387 const bool is_final = (flags & JVM_ACC_FINAL) != 0; | |
4388 const bool is_super = (flags & JVM_ACC_SUPER) != 0; | |
4389 const bool is_enum = (flags & JVM_ACC_ENUM) != 0; | |
4390 const bool is_annotation = (flags & JVM_ACC_ANNOTATION) != 0; | |
4391 const bool major_gte_15 = _major_version >= JAVA_1_5_VERSION; | |
4392 | |
4393 if ((is_abstract && is_final) || | |
4394 (is_interface && !is_abstract) || | |
4395 (is_interface && major_gte_15 && (is_super || is_enum)) || | |
4396 (!is_interface && major_gte_15 && is_annotation)) { | |
4397 ResourceMark rm(THREAD); | |
4398 Exceptions::fthrow( | |
4399 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4400 vmSymbols::java_lang_ClassFormatError(), |
0 | 4401 "Illegal class modifiers in class %s: 0x%X", |
4402 _class_name->as_C_string(), flags | |
4403 ); | |
4404 return; | |
4405 } | |
4406 } | |
4407 | |
4408 bool ClassFileParser::has_illegal_visibility(jint flags) { | |
4409 const bool is_public = (flags & JVM_ACC_PUBLIC) != 0; | |
4410 const bool is_protected = (flags & JVM_ACC_PROTECTED) != 0; | |
4411 const bool is_private = (flags & JVM_ACC_PRIVATE) != 0; | |
4412 | |
4413 return ((is_public && is_protected) || | |
4414 (is_public && is_private) || | |
4415 (is_protected && is_private)); | |
4416 } | |
4417 | |
4418 bool ClassFileParser::is_supported_version(u2 major, u2 minor) { | |
1124
2e8bdfdd3ba2
6899467: System property java.class.version out-of-sync with VM for jdk 5.0 with HS 16 in nightly build
xlu
parents:
977
diff
changeset
|
4419 u2 max_version = |
2e8bdfdd3ba2
6899467: System property java.class.version out-of-sync with VM for jdk 5.0 with HS 16 in nightly build
xlu
parents:
977
diff
changeset
|
4420 JDK_Version::is_gte_jdk17x_version() ? JAVA_MAX_SUPPORTED_VERSION : |
2e8bdfdd3ba2
6899467: System property java.class.version out-of-sync with VM for jdk 5.0 with HS 16 in nightly build
xlu
parents:
977
diff
changeset
|
4421 (JDK_Version::is_gte_jdk16x_version() ? JAVA_6_VERSION : JAVA_1_5_VERSION); |
0 | 4422 return (major >= JAVA_MIN_SUPPORTED_VERSION) && |
176
6b648fefb395
6705523: Fix for 6695506 will violate spec when used in JDK6
kamg
parents:
136
diff
changeset
|
4423 (major <= max_version) && |
6b648fefb395
6705523: Fix for 6695506 will violate spec when used in JDK6
kamg
parents:
136
diff
changeset
|
4424 ((major != max_version) || |
0 | 4425 (minor <= JAVA_MAX_SUPPORTED_MINOR_VERSION)); |
4426 } | |
4427 | |
4428 void ClassFileParser::verify_legal_field_modifiers( | |
4429 jint flags, bool is_interface, TRAPS) { | |
4430 if (!_need_verify) { return; } | |
4431 | |
4432 const bool is_public = (flags & JVM_ACC_PUBLIC) != 0; | |
4433 const bool is_protected = (flags & JVM_ACC_PROTECTED) != 0; | |
4434 const bool is_private = (flags & JVM_ACC_PRIVATE) != 0; | |
4435 const bool is_static = (flags & JVM_ACC_STATIC) != 0; | |
4436 const bool is_final = (flags & JVM_ACC_FINAL) != 0; | |
4437 const bool is_volatile = (flags & JVM_ACC_VOLATILE) != 0; | |
4438 const bool is_transient = (flags & JVM_ACC_TRANSIENT) != 0; | |
4439 const bool is_enum = (flags & JVM_ACC_ENUM) != 0; | |
4440 const bool major_gte_15 = _major_version >= JAVA_1_5_VERSION; | |
4441 | |
4442 bool is_illegal = false; | |
4443 | |
4444 if (is_interface) { | |
4445 if (!is_public || !is_static || !is_final || is_private || | |
4446 is_protected || is_volatile || is_transient || | |
4447 (major_gte_15 && is_enum)) { | |
4448 is_illegal = true; | |
4449 } | |
4450 } else { // not interface | |
4451 if (has_illegal_visibility(flags) || (is_final && is_volatile)) { | |
4452 is_illegal = true; | |
4453 } | |
4454 } | |
4455 | |
4456 if (is_illegal) { | |
4457 ResourceMark rm(THREAD); | |
4458 Exceptions::fthrow( | |
4459 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4460 vmSymbols::java_lang_ClassFormatError(), |
0 | 4461 "Illegal field modifiers in class %s: 0x%X", |
4462 _class_name->as_C_string(), flags); | |
4463 return; | |
4464 } | |
4465 } | |
4466 | |
4467 void ClassFileParser::verify_legal_method_modifiers( | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4468 jint flags, bool is_interface, Symbol* name, TRAPS) { |
0 | 4469 if (!_need_verify) { return; } |
4470 | |
4471 const bool is_public = (flags & JVM_ACC_PUBLIC) != 0; | |
4472 const bool is_private = (flags & JVM_ACC_PRIVATE) != 0; | |
4473 const bool is_static = (flags & JVM_ACC_STATIC) != 0; | |
4474 const bool is_final = (flags & JVM_ACC_FINAL) != 0; | |
4475 const bool is_native = (flags & JVM_ACC_NATIVE) != 0; | |
4476 const bool is_abstract = (flags & JVM_ACC_ABSTRACT) != 0; | |
4477 const bool is_bridge = (flags & JVM_ACC_BRIDGE) != 0; | |
4478 const bool is_strict = (flags & JVM_ACC_STRICT) != 0; | |
4479 const bool is_synchronized = (flags & JVM_ACC_SYNCHRONIZED) != 0; | |
4480 const bool major_gte_15 = _major_version >= JAVA_1_5_VERSION; | |
6934 | 4481 const bool major_gte_8 = _major_version >= JAVA_8_VERSION; |
0 | 4482 const bool is_initializer = (name == vmSymbols::object_initializer_name()); |
4483 | |
4484 bool is_illegal = false; | |
4485 | |
4486 if (is_interface) { | |
6934 | 4487 if (!is_public || is_static || is_final || is_native || |
4488 ((is_synchronized || is_strict) && major_gte_15 && | |
4489 (!major_gte_8 || is_abstract)) || | |
4490 (!major_gte_8 && !is_abstract)) { | |
0 | 4491 is_illegal = true; |
4492 } | |
4493 } else { // not interface | |
4494 if (is_initializer) { | |
4495 if (is_static || is_final || is_synchronized || is_native || | |
4496 is_abstract || (major_gte_15 && is_bridge)) { | |
4497 is_illegal = true; | |
4498 } | |
4499 } else { // not initializer | |
4500 if (is_abstract) { | |
4501 if ((is_final || is_native || is_private || is_static || | |
4502 (major_gte_15 && (is_synchronized || is_strict)))) { | |
4503 is_illegal = true; | |
4504 } | |
4505 } | |
4506 if (has_illegal_visibility(flags)) { | |
4507 is_illegal = true; | |
4508 } | |
4509 } | |
4510 } | |
4511 | |
4512 if (is_illegal) { | |
4513 ResourceMark rm(THREAD); | |
4514 Exceptions::fthrow( | |
4515 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4516 vmSymbols::java_lang_ClassFormatError(), |
0 | 4517 "Method %s in class %s has illegal modifiers: 0x%X", |
4518 name->as_C_string(), _class_name->as_C_string(), flags); | |
4519 return; | |
4520 } | |
4521 } | |
4522 | |
4523 void ClassFileParser::verify_legal_utf8(const unsigned char* buffer, int length, TRAPS) { | |
4524 assert(_need_verify, "only called when _need_verify is true"); | |
4525 int i = 0; | |
4526 int count = length >> 2; | |
4527 for (int k=0; k<count; k++) { | |
4528 unsigned char b0 = buffer[i]; | |
4529 unsigned char b1 = buffer[i+1]; | |
4530 unsigned char b2 = buffer[i+2]; | |
4531 unsigned char b3 = buffer[i+3]; | |
4532 // For an unsigned char v, | |
4533 // (v | v - 1) is < 128 (highest bit 0) for 0 < v < 128; | |
4534 // (v | v - 1) is >= 128 (highest bit 1) for v == 0 or v >= 128. | |
4535 unsigned char res = b0 | b0 - 1 | | |
4536 b1 | b1 - 1 | | |
4537 b2 | b2 - 1 | | |
4538 b3 | b3 - 1; | |
4539 if (res >= 128) break; | |
4540 i += 4; | |
4541 } | |
4542 for(; i < length; i++) { | |
4543 unsigned short c; | |
4544 // no embedded zeros | |
4545 guarantee_property((buffer[i] != 0), "Illegal UTF8 string in constant pool in class file %s", CHECK); | |
4546 if(buffer[i] < 128) { | |
4547 continue; | |
4548 } | |
4549 if ((i + 5) < length) { // see if it's legal supplementary character | |
4550 if (UTF8::is_supplementary_character(&buffer[i])) { | |
4551 c = UTF8::get_supplementary_character(&buffer[i]); | |
4552 i += 5; | |
4553 continue; | |
4554 } | |
4555 } | |
4556 switch (buffer[i] >> 4) { | |
4557 default: break; | |
4558 case 0x8: case 0x9: case 0xA: case 0xB: case 0xF: | |
4559 classfile_parse_error("Illegal UTF8 string in constant pool in class file %s", CHECK); | |
4560 case 0xC: case 0xD: // 110xxxxx 10xxxxxx | |
4561 c = (buffer[i] & 0x1F) << 6; | |
4562 i++; | |
4563 if ((i < length) && ((buffer[i] & 0xC0) == 0x80)) { | |
4564 c += buffer[i] & 0x3F; | |
4565 if (_major_version <= 47 || c == 0 || c >= 0x80) { | |
4566 // for classes with major > 47, c must a null or a character in its shortest form | |
4567 break; | |
4568 } | |
4569 } | |
4570 classfile_parse_error("Illegal UTF8 string in constant pool in class file %s", CHECK); | |
4571 case 0xE: // 1110xxxx 10xxxxxx 10xxxxxx | |
4572 c = (buffer[i] & 0xF) << 12; | |
4573 i += 2; | |
4574 if ((i < length) && ((buffer[i-1] & 0xC0) == 0x80) && ((buffer[i] & 0xC0) == 0x80)) { | |
4575 c += ((buffer[i-1] & 0x3F) << 6) + (buffer[i] & 0x3F); | |
4576 if (_major_version <= 47 || c >= 0x800) { | |
4577 // for classes with major > 47, c must be in its shortest form | |
4578 break; | |
4579 } | |
4580 } | |
4581 classfile_parse_error("Illegal UTF8 string in constant pool in class file %s", CHECK); | |
4582 } // end of switch | |
4583 } // end of for | |
4584 } | |
4585 | |
4586 // Checks if name is a legal class name. | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4587 void ClassFileParser::verify_legal_class_name(Symbol* name, TRAPS) { |
0 | 4588 if (!_need_verify || _relax_verify) { return; } |
4589 | |
4590 char buf[fixed_buffer_size]; | |
4591 char* bytes = name->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); | |
4592 unsigned int length = name->utf8_length(); | |
4593 bool legal = false; | |
4594 | |
4595 if (length > 0) { | |
4596 char* p; | |
4597 if (bytes[0] == JVM_SIGNATURE_ARRAY) { | |
4598 p = skip_over_field_signature(bytes, false, length, CHECK); | |
4599 legal = (p != NULL) && ((p - bytes) == (int)length); | |
4600 } else if (_major_version < JAVA_1_5_VERSION) { | |
4601 if (bytes[0] != '<') { | |
4602 p = skip_over_field_name(bytes, true, length); | |
4603 legal = (p != NULL) && ((p - bytes) == (int)length); | |
4604 } | |
4605 } else { | |
4606 // 4900761: relax the constraints based on JSR202 spec | |
4607 // Class names may be drawn from the entire Unicode character set. | |
4608 // Identifiers between '/' must be unqualified names. | |
4609 // The utf8 string has been verified when parsing cpool entries. | |
4610 legal = verify_unqualified_name(bytes, length, LegalClass); | |
4611 } | |
4612 } | |
4613 if (!legal) { | |
4614 ResourceMark rm(THREAD); | |
4615 Exceptions::fthrow( | |
4616 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4617 vmSymbols::java_lang_ClassFormatError(), |
0 | 4618 "Illegal class name \"%s\" in class file %s", bytes, |
4619 _class_name->as_C_string() | |
4620 ); | |
4621 return; | |
4622 } | |
4623 } | |
4624 | |
4625 // Checks if name is a legal field name. | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4626 void ClassFileParser::verify_legal_field_name(Symbol* name, TRAPS) { |
0 | 4627 if (!_need_verify || _relax_verify) { return; } |
4628 | |
4629 char buf[fixed_buffer_size]; | |
4630 char* bytes = name->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); | |
4631 unsigned int length = name->utf8_length(); | |
4632 bool legal = false; | |
4633 | |
4634 if (length > 0) { | |
4635 if (_major_version < JAVA_1_5_VERSION) { | |
4636 if (bytes[0] != '<') { | |
4637 char* p = skip_over_field_name(bytes, false, length); | |
4638 legal = (p != NULL) && ((p - bytes) == (int)length); | |
4639 } | |
4640 } else { | |
4641 // 4881221: relax the constraints based on JSR202 spec | |
4642 legal = verify_unqualified_name(bytes, length, LegalField); | |
4643 } | |
4644 } | |
4645 | |
4646 if (!legal) { | |
4647 ResourceMark rm(THREAD); | |
4648 Exceptions::fthrow( | |
4649 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4650 vmSymbols::java_lang_ClassFormatError(), |
0 | 4651 "Illegal field name \"%s\" in class %s", bytes, |
4652 _class_name->as_C_string() | |
4653 ); | |
4654 return; | |
4655 } | |
4656 } | |
4657 | |
4658 // Checks if name is a legal method name. | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4659 void ClassFileParser::verify_legal_method_name(Symbol* name, TRAPS) { |
0 | 4660 if (!_need_verify || _relax_verify) { return; } |
4661 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4662 assert(name != NULL, "method name is null"); |
0 | 4663 char buf[fixed_buffer_size]; |
4664 char* bytes = name->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); | |
4665 unsigned int length = name->utf8_length(); | |
4666 bool legal = false; | |
4667 | |
4668 if (length > 0) { | |
4669 if (bytes[0] == '<') { | |
4670 if (name == vmSymbols::object_initializer_name() || name == vmSymbols::class_initializer_name()) { | |
4671 legal = true; | |
4672 } | |
4673 } else if (_major_version < JAVA_1_5_VERSION) { | |
4674 char* p; | |
4675 p = skip_over_field_name(bytes, false, length); | |
4676 legal = (p != NULL) && ((p - bytes) == (int)length); | |
4677 } else { | |
4678 // 4881221: relax the constraints based on JSR202 spec | |
4679 legal = verify_unqualified_name(bytes, length, LegalMethod); | |
4680 } | |
4681 } | |
4682 | |
4683 if (!legal) { | |
4684 ResourceMark rm(THREAD); | |
4685 Exceptions::fthrow( | |
4686 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4687 vmSymbols::java_lang_ClassFormatError(), |
0 | 4688 "Illegal method name \"%s\" in class %s", bytes, |
4689 _class_name->as_C_string() | |
4690 ); | |
4691 return; | |
4692 } | |
4693 } | |
4694 | |
4695 | |
4696 // Checks if signature is a legal field signature. | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4697 void ClassFileParser::verify_legal_field_signature(Symbol* name, Symbol* signature, TRAPS) { |
0 | 4698 if (!_need_verify) { return; } |
4699 | |
4700 char buf[fixed_buffer_size]; | |
4701 char* bytes = signature->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); | |
4702 unsigned int length = signature->utf8_length(); | |
4703 char* p = skip_over_field_signature(bytes, false, length, CHECK); | |
4704 | |
4705 if (p == NULL || (p - bytes) != (int)length) { | |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
4706 throwIllegalSignature("Field", name, signature, CHECK); |
0 | 4707 } |
4708 } | |
4709 | |
4710 // Checks if signature is a legal method signature. | |
4711 // Returns number of parameters | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4712 int ClassFileParser::verify_legal_method_signature(Symbol* name, Symbol* signature, TRAPS) { |
0 | 4713 if (!_need_verify) { |
4714 // make sure caller's args_size will be less than 0 even for non-static | |
4715 // method so it will be recomputed in compute_size_of_parameters(). | |
4716 return -2; | |
4717 } | |
4718 | |
4719 unsigned int args_size = 0; | |
4720 char buf[fixed_buffer_size]; | |
4721 char* p = signature->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); | |
4722 unsigned int length = signature->utf8_length(); | |
4723 char* nextp; | |
4724 | |
4725 // The first character must be a '(' | |
4726 if ((length > 0) && (*p++ == JVM_SIGNATURE_FUNC)) { | |
4727 length--; | |
4728 // Skip over legal field signatures | |
4729 nextp = skip_over_field_signature(p, false, length, CHECK_0); | |
4730 while ((length > 0) && (nextp != NULL)) { | |
4731 args_size++; | |
4732 if (p[0] == 'J' || p[0] == 'D') { | |
4733 args_size++; | |
4734 } | |
4735 length -= nextp - p; | |
4736 p = nextp; | |
4737 nextp = skip_over_field_signature(p, false, length, CHECK_0); | |
4738 } | |
4739 // The first non-signature thing better be a ')' | |
4740 if ((length > 0) && (*p++ == JVM_SIGNATURE_ENDFUNC)) { | |
4741 length--; | |
4742 if (name->utf8_length() > 0 && name->byte_at(0) == '<') { | |
4743 // All internal methods must return void | |
4744 if ((length == 1) && (p[0] == JVM_SIGNATURE_VOID)) { | |
4745 return args_size; | |
4746 } | |
4747 } else { | |
4748 // Now we better just have a return value | |
4749 nextp = skip_over_field_signature(p, true, length, CHECK_0); | |
4750 if (nextp && ((int)length == (nextp - p))) { | |
4751 return args_size; | |
4752 } | |
4753 } | |
4754 } | |
4755 } | |
4756 // Report error | |
1586
086d73ccd6c0
6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents:
1513
diff
changeset
|
4757 throwIllegalSignature("Method", name, signature, CHECK_0); |
0 | 4758 return 0; |
4759 } | |
4760 | |
4761 | |
1881
6412b3805cd6
6891959: HotSpot should not throw ClassFormatError if a class has a field with '>' and/or '<' in its name
kamg
parents:
1847
diff
changeset
|
4762 // Unqualified names may not contain the characters '.', ';', '[', or '/'. |
6412b3805cd6
6891959: HotSpot should not throw ClassFormatError if a class has a field with '>' and/or '<' in its name
kamg
parents:
1847
diff
changeset
|
4763 // Method names also may not contain the characters '<' or '>', unless <init> |
6412b3805cd6
6891959: HotSpot should not throw ClassFormatError if a class has a field with '>' and/or '<' in its name
kamg
parents:
1847
diff
changeset
|
4764 // or <clinit>. Note that method names may not be <init> or <clinit> in this |
6412b3805cd6
6891959: HotSpot should not throw ClassFormatError if a class has a field with '>' and/or '<' in its name
kamg
parents:
1847
diff
changeset
|
4765 // method. Because these names have been checked as special cases before |
6412b3805cd6
6891959: HotSpot should not throw ClassFormatError if a class has a field with '>' and/or '<' in its name
kamg
parents:
1847
diff
changeset
|
4766 // calling this method in verify_legal_method_name. |
6412b3805cd6
6891959: HotSpot should not throw ClassFormatError if a class has a field with '>' and/or '<' in its name
kamg
parents:
1847
diff
changeset
|
4767 bool ClassFileParser::verify_unqualified_name( |
6412b3805cd6
6891959: HotSpot should not throw ClassFormatError if a class has a field with '>' and/or '<' in its name
kamg
parents:
1847
diff
changeset
|
4768 char* name, unsigned int length, int type) { |
0 | 4769 jchar ch; |
4770 | |
4771 for (char* p = name; p != name + length; ) { | |
4772 ch = *p; | |
4773 if (ch < 128) { | |
4774 p++; | |
1881
6412b3805cd6
6891959: HotSpot should not throw ClassFormatError if a class has a field with '>' and/or '<' in its name
kamg
parents:
1847
diff
changeset
|
4775 if (ch == '.' || ch == ';' || ch == '[' ) { |
6412b3805cd6
6891959: HotSpot should not throw ClassFormatError if a class has a field with '>' and/or '<' in its name
kamg
parents:
1847
diff
changeset
|
4776 return false; // do not permit '.', ';', or '[' |
0 | 4777 } |
4778 if (type != LegalClass && ch == '/') { | |
4779 return false; // do not permit '/' unless it's class name | |
4780 } | |
4781 if (type == LegalMethod && (ch == '<' || ch == '>')) { | |
4782 return false; // do not permit '<' or '>' in method names | |
4783 } | |
4784 } else { | |
4785 char* tmp_p = UTF8::next(p, &ch); | |
4786 p = tmp_p; | |
4787 } | |
4788 } | |
4789 return true; | |
4790 } | |
4791 | |
4792 | |
4793 // Take pointer to a string. Skip over the longest part of the string that could | |
4794 // be taken as a fieldname. Allow '/' if slash_ok is true. | |
4795 // Return a pointer to just past the fieldname. | |
4796 // Return NULL if no fieldname at all was found, or in the case of slash_ok | |
4797 // being true, we saw consecutive slashes (meaning we were looking for a | |
4798 // qualified path but found something that was badly-formed). | |
4799 char* ClassFileParser::skip_over_field_name(char* name, bool slash_ok, unsigned int length) { | |
4800 char* p; | |
4801 jchar ch; | |
4802 jboolean last_is_slash = false; | |
4803 jboolean not_first_ch = false; | |
4804 | |
4805 for (p = name; p != name + length; not_first_ch = true) { | |
4806 char* old_p = p; | |
4807 ch = *p; | |
4808 if (ch < 128) { | |
4809 p++; | |
4810 // quick check for ascii | |
4811 if ((ch >= 'a' && ch <= 'z') || | |
4812 (ch >= 'A' && ch <= 'Z') || | |
4813 (ch == '_' || ch == '$') || | |
4814 (not_first_ch && ch >= '0' && ch <= '9')) { | |
4815 last_is_slash = false; | |
4816 continue; | |
4817 } | |
4818 if (slash_ok && ch == '/') { | |
4819 if (last_is_slash) { | |
4820 return NULL; // Don't permit consecutive slashes | |
4821 } | |
4822 last_is_slash = true; | |
4823 continue; | |
4824 } | |
4825 } else { | |
4826 jint unicode_ch; | |
4827 char* tmp_p = UTF8::next_character(p, &unicode_ch); | |
4828 p = tmp_p; | |
4829 last_is_slash = false; | |
4830 // Check if ch is Java identifier start or is Java identifier part | |
4831 // 4672820: call java.lang.Character methods directly without generating separate tables. | |
4832 EXCEPTION_MARK; | |
1142 | 4833 instanceKlassHandle klass (THREAD, SystemDictionary::Character_klass()); |
0 | 4834 |
4835 // return value | |
4836 JavaValue result(T_BOOLEAN); | |
4837 // Set up the arguments to isJavaIdentifierStart and isJavaIdentifierPart | |
4838 JavaCallArguments args; | |
4839 args.push_int(unicode_ch); | |
4840 | |
4841 // public static boolean isJavaIdentifierStart(char ch); | |
4842 JavaCalls::call_static(&result, | |
4843 klass, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4844 vmSymbols::isJavaIdentifierStart_name(), |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4845 vmSymbols::int_bool_signature(), |
0 | 4846 &args, |
4847 THREAD); | |
4848 | |
4849 if (HAS_PENDING_EXCEPTION) { | |
4850 CLEAR_PENDING_EXCEPTION; | |
4851 return 0; | |
4852 } | |
4853 if (result.get_jboolean()) { | |
4854 continue; | |
4855 } | |
4856 | |
4857 if (not_first_ch) { | |
4858 // public static boolean isJavaIdentifierPart(char ch); | |
4859 JavaCalls::call_static(&result, | |
4860 klass, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4861 vmSymbols::isJavaIdentifierPart_name(), |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2085
diff
changeset
|
4862 vmSymbols::int_bool_signature(), |
0 | 4863 &args, |
4864 THREAD); | |
4865 | |
4866 if (HAS_PENDING_EXCEPTION) { | |
4867 CLEAR_PENDING_EXCEPTION; | |
4868 return 0; | |
4869 } | |
4870 | |
4871 if (result.get_jboolean()) { | |
4872 continue; | |
4873 } | |
4874 } | |
4875 } | |
4876 return (not_first_ch) ? old_p : NULL; | |
4877 } | |
4878 return (not_first_ch) ? p : NULL; | |
4879 } | |
4880 | |
4881 | |
4882 // Take pointer to a string. Skip over the longest part of the string that could | |
4883 // be taken as a field signature. Allow "void" if void_ok. | |
4884 // Return a pointer to just past the signature. | |
4885 // Return NULL if no legal signature is found. | |
4886 char* ClassFileParser::skip_over_field_signature(char* signature, | |
4887 bool void_ok, | |
4888 unsigned int length, | |
4889 TRAPS) { | |
4890 unsigned int array_dim = 0; | |
4891 while (length > 0) { | |
4892 switch (signature[0]) { | |
4893 case JVM_SIGNATURE_VOID: if (!void_ok) { return NULL; } | |
4894 case JVM_SIGNATURE_BOOLEAN: | |
4895 case JVM_SIGNATURE_BYTE: | |
4896 case JVM_SIGNATURE_CHAR: | |
4897 case JVM_SIGNATURE_SHORT: | |
4898 case JVM_SIGNATURE_INT: | |
4899 case JVM_SIGNATURE_FLOAT: | |
4900 case JVM_SIGNATURE_LONG: | |
4901 case JVM_SIGNATURE_DOUBLE: | |
4902 return signature + 1; | |
4903 case JVM_SIGNATURE_CLASS: { | |
4904 if (_major_version < JAVA_1_5_VERSION) { | |
4905 // Skip over the class name if one is there | |
4906 char* p = skip_over_field_name(signature + 1, true, --length); | |
4907 | |
4908 // The next character better be a semicolon | |
4909 if (p && (p - signature) > 1 && p[0] == ';') { | |
4910 return p + 1; | |
4911 } | |
4912 } else { | |
4913 // 4900761: For class version > 48, any unicode is allowed in class name. | |
4914 length--; | |
4915 signature++; | |
4916 while (length > 0 && signature[0] != ';') { | |
4917 if (signature[0] == '.') { | |
4918 classfile_parse_error("Class name contains illegal character '.' in descriptor in class file %s", CHECK_0); | |
4919 } | |
4920 length--; | |
4921 signature++; | |
4922 } | |
4923 if (signature[0] == ';') { return signature + 1; } | |
4924 } | |
4925 | |
4926 return NULL; | |
4927 } | |
4928 case JVM_SIGNATURE_ARRAY: | |
4929 array_dim++; | |
4930 if (array_dim > 255) { | |
4931 // 4277370: array descriptor is valid only if it represents 255 or fewer dimensions. | |
4932 classfile_parse_error("Array type descriptor has more than 255 dimensions in class file %s", CHECK_0); | |
4933 } | |
4934 // The rest of what's there better be a legal signature | |
4935 signature++; | |
4936 length--; | |
4937 void_ok = false; | |
4938 break; | |
4939 | |
4940 default: | |
4941 return NULL; | |
4942 } | |
4943 } | |
4944 return NULL; | |
4945 } |