Mercurial > hg > truffle
comparison src/share/vm/interpreter/linkResolver.cpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | e5b0439ef4ae |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:a61af66fc99e |
---|---|
1 /* | |
2 * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
26 #include "incls/_linkResolver.cpp.incl" | |
27 | |
28 //------------------------------------------------------------------------------------------------------------------------ | |
29 // Implementation of FieldAccessInfo | |
30 | |
31 void FieldAccessInfo::set(KlassHandle klass, symbolHandle name, int field_index, int field_offset, | |
32 BasicType field_type, AccessFlags access_flags) { | |
33 _klass = klass; | |
34 _name = name; | |
35 _field_index = field_index; | |
36 _field_offset = field_offset; | |
37 _field_type = field_type; | |
38 _access_flags = access_flags; | |
39 } | |
40 | |
41 | |
42 //------------------------------------------------------------------------------------------------------------------------ | |
43 // Implementation of CallInfo | |
44 | |
45 | |
46 void CallInfo::set_static(KlassHandle resolved_klass, methodHandle resolved_method, TRAPS) { | |
47 int vtable_index = methodOopDesc::nonvirtual_vtable_index; | |
48 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, vtable_index, CHECK); | |
49 } | |
50 | |
51 | |
52 void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, TRAPS) { | |
53 // This is only called for interface methods. If the resolved_method | |
54 // comes from java/lang/Object, it can be the subject of a virtual call, so | |
55 // we should pick the vtable index from the resolved method. | |
56 // Other than that case, there is no valid vtable index to specify. | |
57 int vtable_index = methodOopDesc::invalid_vtable_index; | |
58 if (resolved_method->method_holder() == SystemDictionary::object_klass()) { | |
59 assert(resolved_method->vtable_index() == selected_method->vtable_index(), "sanity check"); | |
60 vtable_index = resolved_method->vtable_index(); | |
61 } | |
62 set_common(resolved_klass, selected_klass, resolved_method, selected_method, vtable_index, CHECK); | |
63 } | |
64 | |
65 void CallInfo::set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) { | |
66 assert(vtable_index >= 0 || vtable_index == methodOopDesc::nonvirtual_vtable_index, "valid index"); | |
67 set_common(resolved_klass, selected_klass, resolved_method, selected_method, vtable_index, CHECK); | |
68 } | |
69 | |
70 void CallInfo::set_common(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) { | |
71 assert(resolved_method->signature() == selected_method->signature(), "signatures must correspond"); | |
72 _resolved_klass = resolved_klass; | |
73 _selected_klass = selected_klass; | |
74 _resolved_method = resolved_method; | |
75 _selected_method = selected_method; | |
76 _vtable_index = vtable_index; | |
77 if (CompilationPolicy::mustBeCompiled(selected_method)) { | |
78 // Note: with several active threads, the mustBeCompiled may be true | |
79 // while canBeCompiled is false; remove assert | |
80 // assert(CompilationPolicy::canBeCompiled(selected_method), "cannot compile"); | |
81 if (THREAD->is_Compiler_thread()) { | |
82 // don't force compilation, resolve was on behalf of compiler | |
83 return; | |
84 } | |
85 CompileBroker::compile_method(selected_method, InvocationEntryBci, | |
86 methodHandle(), 0, "mustBeCompiled", CHECK); | |
87 } | |
88 } | |
89 | |
90 | |
91 //------------------------------------------------------------------------------------------------------------------------ | |
92 // Klass resolution | |
93 | |
94 void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) { | |
95 if (!Reflection::verify_class_access(ref_klass->as_klassOop(), | |
96 sel_klass->as_klassOop(), | |
97 true)) { | |
98 ResourceMark rm(THREAD); | |
99 Exceptions::fthrow( | |
100 THREAD_AND_LOCATION, | |
101 vmSymbolHandles::java_lang_IllegalAccessError(), | |
102 "tried to access class %s from class %s", | |
103 sel_klass->external_name(), | |
104 ref_klass->external_name() | |
105 ); | |
106 return; | |
107 } | |
108 } | |
109 | |
110 void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { | |
111 klassOop result_oop = pool->klass_ref_at(index, CHECK); | |
112 result = KlassHandle(THREAD, result_oop); | |
113 } | |
114 | |
115 void LinkResolver::resolve_klass_no_update(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { | |
116 klassOop result_oop = | |
117 constantPoolOopDesc::klass_ref_at_if_loaded_check(pool, index, CHECK); | |
118 result = KlassHandle(THREAD, result_oop); | |
119 } | |
120 | |
121 | |
122 //------------------------------------------------------------------------------------------------------------------------ | |
123 // Method resolution | |
124 // | |
125 // According to JVM spec. $5.4.3c & $5.4.3d | |
126 | |
127 void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) { | |
128 methodOop result_oop = klass->uncached_lookup_method(name(), signature()); | |
129 result = methodHandle(THREAD, result_oop); | |
130 } | |
131 | |
132 // returns first instance method | |
133 void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) { | |
134 methodOop result_oop = klass->uncached_lookup_method(name(), signature()); | |
135 result = methodHandle(THREAD, result_oop); | |
136 while (!result.is_null() && result->is_static()) { | |
137 klass = KlassHandle(THREAD, Klass::cast(result->method_holder())->super()); | |
138 result = methodHandle(THREAD, klass->uncached_lookup_method(name(), signature())); | |
139 } | |
140 } | |
141 | |
142 | |
143 int LinkResolver::vtable_index_of_miranda_method(KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) { | |
144 ResourceMark rm(THREAD); | |
145 klassVtable *vt = instanceKlass::cast(klass())->vtable(); | |
146 return vt->index_of_miranda(name(), signature()); | |
147 } | |
148 | |
149 void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) { | |
150 instanceKlass *ik = instanceKlass::cast(klass()); | |
151 result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name(), signature())); | |
152 } | |
153 | |
154 void LinkResolver::check_method_accessability(KlassHandle ref_klass, | |
155 KlassHandle resolved_klass, | |
156 KlassHandle sel_klass, | |
157 methodHandle sel_method, | |
158 TRAPS) { | |
159 | |
160 AccessFlags flags = sel_method->access_flags(); | |
161 | |
162 // Special case: arrays always override "clone". JVMS 2.15. | |
163 // If the resolved klass is an array class, and the declaring class | |
164 // is java.lang.Object and the method is "clone", set the flags | |
165 // to public. | |
166 // | |
167 // We'll check for the method name first, as that's most likely | |
168 // to be false (so we'll short-circuit out of these tests). | |
169 if (sel_method->name() == vmSymbols::clone_name() && | |
170 sel_klass() == SystemDictionary::object_klass() && | |
171 resolved_klass->oop_is_array()) { | |
172 // We need to change "protected" to "public". | |
173 assert(flags.is_protected(), "clone not protected?"); | |
174 jint new_flags = flags.as_int(); | |
175 new_flags = new_flags & (~JVM_ACC_PROTECTED); | |
176 new_flags = new_flags | JVM_ACC_PUBLIC; | |
177 flags.set_flags(new_flags); | |
178 } | |
179 | |
180 if (!Reflection::verify_field_access(ref_klass->as_klassOop(), | |
181 resolved_klass->as_klassOop(), | |
182 sel_klass->as_klassOop(), | |
183 flags, | |
184 true)) { | |
185 ResourceMark rm(THREAD); | |
186 Exceptions::fthrow( | |
187 THREAD_AND_LOCATION, | |
188 vmSymbolHandles::java_lang_IllegalAccessError(), | |
189 "tried to access method %s.%s%s from class %s", | |
190 sel_klass->external_name(), | |
191 sel_method->name()->as_C_string(), | |
192 sel_method->signature()->as_C_string(), | |
193 ref_klass->external_name() | |
194 ); | |
195 return; | |
196 } | |
197 } | |
198 | |
199 void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle& resolved_klass, | |
200 constantPoolHandle pool, int index, TRAPS) { | |
201 | |
202 // resolve klass | |
203 resolve_klass(resolved_klass, pool, index, CHECK); | |
204 | |
205 symbolHandle method_name (THREAD, pool->name_ref_at(index)); | |
206 symbolHandle method_signature (THREAD, pool->signature_ref_at(index)); | |
207 KlassHandle current_klass(THREAD, pool->pool_holder()); | |
208 | |
209 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); | |
210 } | |
211 | |
212 void LinkResolver::resolve_interface_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) { | |
213 | |
214 // resolve klass | |
215 resolve_klass(resolved_klass, pool, index, CHECK); | |
216 symbolHandle method_name (THREAD, pool->name_ref_at(index)); | |
217 symbolHandle method_signature (THREAD, pool->signature_ref_at(index)); | |
218 KlassHandle current_klass(THREAD, pool->pool_holder()); | |
219 | |
220 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); | |
221 } | |
222 | |
223 | |
224 void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass, | |
225 symbolHandle method_name, symbolHandle method_signature, | |
226 KlassHandle current_klass, bool check_access, TRAPS) { | |
227 | |
228 // 1. check if klass is not interface | |
229 if (resolved_klass->is_interface()) { | |
230 char buf[200]; | |
231 jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected", Klass::cast(resolved_klass())->external_name()); | |
232 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
233 } | |
234 | |
235 // 2. lookup method in resolved klass and its super klasses | |
236 lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
237 | |
238 if (resolved_method.is_null()) { // not found in the class hierarchy | |
239 // 3. lookup method in all the interfaces implemented by the resolved klass | |
240 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
241 | |
242 if (resolved_method.is_null()) { | |
243 // 4. method lookup failed | |
244 ResourceMark rm(THREAD); | |
245 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), | |
246 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
247 method_name(), | |
248 method_signature())); | |
249 } | |
250 } | |
251 | |
252 // 5. check if method is concrete | |
253 if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) { | |
254 ResourceMark rm(THREAD); | |
255 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
256 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
257 method_name(), | |
258 method_signature())); | |
259 } | |
260 | |
261 // 6. access checks, access checking may be turned off when calling from within the VM. | |
262 if (check_access) { | |
263 assert(current_klass.not_null() , "current_klass should not be null"); | |
264 | |
265 // check if method can be accessed by the referring class | |
266 check_method_accessability(current_klass, | |
267 resolved_klass, | |
268 KlassHandle(THREAD, resolved_method->method_holder()), | |
269 resolved_method, | |
270 CHECK); | |
271 | |
272 // check loader constraints | |
273 Handle loader (THREAD, instanceKlass::cast(current_klass())->class_loader()); | |
274 Handle class_loader (THREAD, instanceKlass::cast(resolved_method->method_holder())->class_loader()); | |
275 { | |
276 ResourceMark rm(THREAD); | |
277 char* failed_type_name = | |
278 SystemDictionary::check_signature_loaders(method_signature, loader, | |
279 class_loader, true, CHECK); | |
280 if (failed_type_name != NULL) { | |
281 const char* msg = "loader constraint violation: when resolving method" | |
282 " \"%s\" the class loader (instance of %s) of the current class, %s," | |
283 " and the class loader (instance of %s) for resolved class, %s, have" | |
284 " different Class objects for the type %s used in the signature"; | |
285 char* sig = methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name(),method_signature()); | |
286 const char* loader1 = SystemDictionary::loader_name(loader()); | |
287 char* current = instanceKlass::cast(current_klass())->name()->as_C_string(); | |
288 const char* loader2 = SystemDictionary::loader_name(class_loader()); | |
289 char* resolved = instanceKlass::cast(resolved_klass())->name()->as_C_string(); | |
290 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + | |
291 strlen(current) + strlen(loader2) + strlen(resolved) + | |
292 strlen(failed_type_name); | |
293 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); | |
294 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, | |
295 resolved, failed_type_name); | |
296 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); | |
297 } | |
298 } | |
299 } | |
300 } | |
301 | |
302 void LinkResolver::resolve_interface_method(methodHandle& resolved_method, | |
303 KlassHandle resolved_klass, | |
304 symbolHandle method_name, | |
305 symbolHandle method_signature, | |
306 KlassHandle current_klass, | |
307 bool check_access, TRAPS) { | |
308 | |
309 // check if klass is interface | |
310 if (!resolved_klass->is_interface()) { | |
311 char buf[200]; | |
312 jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", Klass::cast(resolved_klass())->external_name()); | |
313 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
314 } | |
315 | |
316 // lookup method in this interface or its super, java.lang.Object | |
317 lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
318 | |
319 if (resolved_method.is_null()) { | |
320 // lookup method in all the super-interfaces | |
321 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
322 if (resolved_method.is_null()) { | |
323 // no method found | |
324 ResourceMark rm(THREAD); | |
325 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), | |
326 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
327 method_name(), | |
328 method_signature())); | |
329 } | |
330 } | |
331 | |
332 if (check_access) { | |
333 HandleMark hm(THREAD); | |
334 Handle loader (THREAD, instanceKlass::cast(current_klass())->class_loader()); | |
335 Handle class_loader (THREAD, instanceKlass::cast(resolved_method->method_holder())->class_loader()); | |
336 { | |
337 ResourceMark rm(THREAD); | |
338 char* failed_type_name = | |
339 SystemDictionary::check_signature_loaders(method_signature, loader, | |
340 class_loader, true, CHECK); | |
341 if (failed_type_name != NULL) { | |
342 const char* msg = "loader constraint violation: when resolving " | |
343 "interface method \"%s\" the class loader (instance of %s) of the " | |
344 "current class, %s, and the class loader (instance of %s) for " | |
345 "resolved class, %s, have different Class objects for the type %s " | |
346 "used in the signature"; | |
347 char* sig = methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name(),method_signature()); | |
348 const char* loader1 = SystemDictionary::loader_name(loader()); | |
349 char* current = instanceKlass::cast(current_klass())->name()->as_C_string(); | |
350 const char* loader2 = SystemDictionary::loader_name(class_loader()); | |
351 char* resolved = instanceKlass::cast(resolved_klass())->name()->as_C_string(); | |
352 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + | |
353 strlen(current) + strlen(loader2) + strlen(resolved) + | |
354 strlen(failed_type_name); | |
355 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); | |
356 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, | |
357 resolved, failed_type_name); | |
358 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); | |
359 } | |
360 } | |
361 } | |
362 } | |
363 | |
364 //------------------------------------------------------------------------------------------------------------------------ | |
365 // Field resolution | |
366 | |
367 void LinkResolver::check_field_accessability(KlassHandle ref_klass, | |
368 KlassHandle resolved_klass, | |
369 KlassHandle sel_klass, | |
370 fieldDescriptor& fd, | |
371 TRAPS) { | |
372 if (!Reflection::verify_field_access(ref_klass->as_klassOop(), | |
373 resolved_klass->as_klassOop(), | |
374 sel_klass->as_klassOop(), | |
375 fd.access_flags(), | |
376 true)) { | |
377 ResourceMark rm(THREAD); | |
378 Exceptions::fthrow( | |
379 THREAD_AND_LOCATION, | |
380 vmSymbolHandles::java_lang_IllegalAccessError(), | |
381 "tried to access field %s.%s from class %s", | |
382 sel_klass->external_name(), | |
383 fd.name()->as_C_string(), | |
384 ref_klass->external_name() | |
385 ); | |
386 return; | |
387 } | |
388 } | |
389 | |
390 void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, TRAPS) { | |
391 resolve_field(result, pool, index, byte, check_only, true, CHECK); | |
392 } | |
393 | |
394 void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, bool update_pool, TRAPS) { | |
395 assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic || | |
396 byte == Bytecodes::_getfield || byte == Bytecodes::_putfield, "bad bytecode"); | |
397 | |
398 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic); | |
399 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic); | |
400 | |
401 // resolve specified klass | |
402 KlassHandle resolved_klass; | |
403 if (update_pool) { | |
404 resolve_klass(resolved_klass, pool, index, CHECK); | |
405 } else { | |
406 resolve_klass_no_update(resolved_klass, pool, index, CHECK); | |
407 } | |
408 // Load these early in case the resolve of the containing klass fails | |
409 symbolOop field = pool->name_ref_at(index); | |
410 symbolHandle field_h (THREAD, field); // preserve in case we need the name | |
411 symbolOop sig = pool->signature_ref_at(index); | |
412 // Check if there's a resolved klass containing the field | |
413 if( resolved_klass.is_null() ) { | |
414 ResourceMark rm(THREAD); | |
415 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); | |
416 } | |
417 | |
418 // Resolve instance field | |
419 fieldDescriptor fd; // find_field initializes fd if found | |
420 KlassHandle sel_klass(THREAD, instanceKlass::cast(resolved_klass())->find_field(field, sig, &fd)); | |
421 // check if field exists; i.e., if a klass containing the field def has been selected | |
422 if (sel_klass.is_null()){ | |
423 ResourceMark rm(THREAD); | |
424 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); | |
425 } | |
426 | |
427 // check access | |
428 KlassHandle ref_klass(THREAD, pool->pool_holder()); | |
429 check_field_accessability(ref_klass, resolved_klass, sel_klass, fd, CHECK); | |
430 | |
431 // check for errors | |
432 if (is_static != fd.is_static()) { | |
433 char msg[200]; | |
434 jio_snprintf(msg, sizeof(msg), "Expected %s field %s.%s", is_static ? "static" : "non-static", Klass::cast(resolved_klass())->external_name(), fd.name()->as_C_string()); | |
435 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg); | |
436 } | |
437 | |
438 // Final fields can only be accessed from its own class. | |
439 if (is_put && fd.access_flags().is_final() && sel_klass() != pool->pool_holder()) { | |
440 THROW(vmSymbols::java_lang_IllegalAccessError()); | |
441 } | |
442 | |
443 // initialize resolved_klass if necessary | |
444 // note 1: the klass which declared the field must be initialized (i.e, sel_klass) | |
445 // according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99) | |
446 // | |
447 // note 2: we don't want to force initialization if we are just checking | |
448 // if the field access is legal; e.g., during compilation | |
449 if (is_static && !check_only) { | |
450 sel_klass->initialize(CHECK); | |
451 } | |
452 | |
453 { | |
454 HandleMark hm(THREAD); | |
455 Handle ref_loader (THREAD, instanceKlass::cast(ref_klass())->class_loader()); | |
456 Handle sel_loader (THREAD, instanceKlass::cast(sel_klass())->class_loader()); | |
457 symbolHandle signature_ref (THREAD, pool->signature_ref_at(index)); | |
458 { | |
459 ResourceMark rm(THREAD); | |
460 char* failed_type_name = | |
461 SystemDictionary::check_signature_loaders(signature_ref, | |
462 ref_loader, sel_loader, | |
463 false, | |
464 CHECK); | |
465 if (failed_type_name != NULL) { | |
466 const char* msg = "loader constraint violation: when resolving field" | |
467 " \"%s\" the class loader (instance of %s) of the referring class, " | |
468 "%s, and the class loader (instance of %s) for the field's resolved " | |
469 "type, %s, have different Class objects for that type"; | |
470 char* field_name = field_h()->as_C_string(); | |
471 const char* loader1 = SystemDictionary::loader_name(ref_loader()); | |
472 char* sel = instanceKlass::cast(sel_klass())->name()->as_C_string(); | |
473 const char* loader2 = SystemDictionary::loader_name(sel_loader()); | |
474 size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) + | |
475 strlen(sel) + strlen(loader2) + strlen(failed_type_name); | |
476 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); | |
477 jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2, | |
478 failed_type_name); | |
479 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); | |
480 } | |
481 } | |
482 } | |
483 | |
484 // return information. note that the klass is set to the actual klass containing the | |
485 // field, otherwise access of static fields in superclasses will not work. | |
486 KlassHandle holder (THREAD, fd.field_holder()); | |
487 symbolHandle name (THREAD, fd.name()); | |
488 result.set(holder, name, fd.index(), fd.offset(), fd.field_type(), fd.access_flags()); | |
489 } | |
490 | |
491 | |
492 //------------------------------------------------------------------------------------------------------------------------ | |
493 // Invoke resolution | |
494 // | |
495 // Naming conventions: | |
496 // | |
497 // resolved_method the specified method (i.e., static receiver specified via constant pool index) | |
498 // sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class) | |
499 // resolved_klass the specified klass (i.e., specified via constant pool index) | |
500 // recv_klass the receiver klass | |
501 | |
502 | |
503 void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, symbolHandle method_name, | |
504 symbolHandle method_signature, KlassHandle current_klass, | |
505 bool check_access, bool initialize_class, TRAPS) { | |
506 methodHandle resolved_method; | |
507 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
508 resolved_klass = KlassHandle(THREAD, Klass::cast(resolved_method->method_holder())); | |
509 | |
510 // Initialize klass (this should only happen if everything is ok) | |
511 if (initialize_class && resolved_klass->should_be_initialized()) { | |
512 resolved_klass->initialize(CHECK); | |
513 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
514 } | |
515 | |
516 // setup result | |
517 result.set_static(resolved_klass, resolved_method, CHECK); | |
518 } | |
519 | |
520 // throws linktime exceptions | |
521 void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass, | |
522 symbolHandle method_name, symbolHandle method_signature, | |
523 KlassHandle current_klass, bool check_access, TRAPS) { | |
524 | |
525 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
526 assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier"); | |
527 | |
528 // check if static | |
529 if (!resolved_method->is_static()) { | |
530 char buf[200]; | |
531 jio_snprintf(buf, sizeof(buf), "Expected static method %s", methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
532 resolved_method->name(), | |
533 resolved_method->signature())); | |
534 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
535 } | |
536 } | |
537 | |
538 | |
539 void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, symbolHandle method_name, | |
540 symbolHandle method_signature, KlassHandle current_klass, bool check_access, TRAPS) { | |
541 methodHandle resolved_method; | |
542 linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
543 runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK); | |
544 } | |
545 | |
546 // throws linktime exceptions | |
547 void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass, | |
548 symbolHandle method_name, symbolHandle method_signature, | |
549 KlassHandle current_klass, bool check_access, TRAPS) { | |
550 | |
551 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
552 | |
553 // check if method name is <init>, that it is found in same klass as static type | |
554 if (resolved_method->name() == vmSymbols::object_initializer_name() && | |
555 resolved_method->method_holder() != resolved_klass()) { | |
556 ResourceMark rm(THREAD); | |
557 Exceptions::fthrow( | |
558 THREAD_AND_LOCATION, | |
559 vmSymbolHandles::java_lang_NoSuchMethodError(), | |
560 "%s: method %s%s not found", | |
561 resolved_klass->external_name(), | |
562 resolved_method->name()->as_C_string(), | |
563 resolved_method->signature()->as_C_string() | |
564 ); | |
565 return; | |
566 } | |
567 | |
568 // check if not static | |
569 if (resolved_method->is_static()) { | |
570 char buf[200]; | |
571 jio_snprintf(buf, sizeof(buf), | |
572 "Expecting non-static method %s", | |
573 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
574 resolved_method->name(), | |
575 resolved_method->signature())); | |
576 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
577 } | |
578 } | |
579 | |
580 // throws runtime exceptions | |
581 void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, | |
582 KlassHandle current_klass, bool check_access, TRAPS) { | |
583 | |
584 // resolved method is selected method unless we have an old-style lookup | |
585 methodHandle sel_method(THREAD, resolved_method()); | |
586 | |
587 // check if this is an old-style super call and do a new lookup if so | |
588 { KlassHandle method_klass = KlassHandle(THREAD, | |
589 resolved_method->method_holder()); | |
590 | |
591 if (check_access && | |
592 // a) check if ACC_SUPER flag is set for the current class | |
593 current_klass->is_super() && | |
594 // b) check if the method class is a superclass of the current class (superclass relation is not reflexive!) | |
595 current_klass->is_subtype_of(method_klass()) && current_klass() != method_klass() && | |
596 // c) check if the method is not <init> | |
597 resolved_method->name() != vmSymbols::object_initializer_name()) { | |
598 // Lookup super method | |
599 KlassHandle super_klass(THREAD, current_klass->super()); | |
600 lookup_instance_method_in_klasses(sel_method, super_klass, | |
601 symbolHandle(THREAD, resolved_method->name()), | |
602 symbolHandle(THREAD, resolved_method->signature()), CHECK); | |
603 // check if found | |
604 if (sel_method.is_null()) { | |
605 ResourceMark rm(THREAD); | |
606 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
607 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
608 resolved_method->name(), | |
609 resolved_method->signature())); | |
610 } | |
611 } | |
612 } | |
613 | |
614 // check if not static | |
615 if (sel_method->is_static()) { | |
616 char buf[200]; | |
617 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
618 resolved_method->name(), | |
619 resolved_method->signature())); | |
620 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
621 } | |
622 | |
623 // check if abstract | |
624 if (sel_method->is_abstract()) { | |
625 ResourceMark rm(THREAD); | |
626 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
627 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
628 sel_method->name(), | |
629 sel_method->signature())); | |
630 } | |
631 | |
632 // setup result | |
633 result.set_static(resolved_klass, sel_method, CHECK); | |
634 } | |
635 | |
636 void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass, | |
637 symbolHandle method_name, symbolHandle method_signature, KlassHandle current_klass, | |
638 bool check_access, bool check_null_and_abstract, TRAPS) { | |
639 methodHandle resolved_method; | |
640 linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
641 runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK); | |
642 } | |
643 | |
644 // throws linktime exceptions | |
645 void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass, | |
646 symbolHandle method_name, symbolHandle method_signature, | |
647 KlassHandle current_klass, bool check_access, TRAPS) { | |
648 // normal method resolution | |
649 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
650 | |
651 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); | |
652 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); | |
653 | |
654 // check if not static | |
655 if (resolved_method->is_static()) { | |
656 char buf[200]; | |
657 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
658 resolved_method->name(), | |
659 resolved_method->signature())); | |
660 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
661 } | |
662 } | |
663 | |
664 // throws runtime exceptions | |
665 void LinkResolver::runtime_resolve_virtual_method(CallInfo& result, | |
666 methodHandle resolved_method, | |
667 KlassHandle resolved_klass, | |
668 Handle recv, | |
669 KlassHandle recv_klass, | |
670 bool check_null_and_abstract, | |
671 TRAPS) { | |
672 | |
673 // setup default return values | |
674 int vtable_index = methodOopDesc::invalid_vtable_index; | |
675 methodHandle selected_method; | |
676 | |
677 assert(recv.is_null() || recv->is_oop(), "receiver is not an oop"); | |
678 | |
679 // runtime method resolution | |
680 if (check_null_and_abstract && recv.is_null()) { // check if receiver exists | |
681 THROW(vmSymbols::java_lang_NullPointerException()); | |
682 } | |
683 | |
684 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the methodOop's | |
685 // has not been rewritten, and the vtable initialized. | |
686 assert(instanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); | |
687 | |
688 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the methodOop's | |
689 // has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since | |
690 // a missing receiver might result in a bogus lookup. | |
691 assert(instanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); | |
692 | |
693 // do lookup based on receiver klass using the vtable index | |
694 if (resolved_method->method_holder()->klass_part()->is_interface()) { // miranda method | |
695 vtable_index = vtable_index_of_miranda_method(resolved_klass, | |
696 symbolHandle(THREAD, resolved_method->name()), | |
697 symbolHandle(THREAD, resolved_method->signature()), CHECK); | |
698 assert(vtable_index >= 0 , "we should have valid vtable index at this point"); | |
699 | |
700 instanceKlass* inst = instanceKlass::cast(recv_klass()); | |
701 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); | |
702 } else { | |
703 // at this point we are sure that resolved_method is virtual and not | |
704 // a miranda method; therefore, it must have a valid vtable index. | |
705 vtable_index = resolved_method->vtable_index(); | |
706 // We could get a negative vtable_index for final methods, | |
707 // because as an optimization they are they are never put in the vtable, | |
708 // unless they override an existing method. | |
709 // If we do get a negative, it means the resolved method is the the selected | |
710 // method, and it can never be changed by an override. | |
711 if (vtable_index == methodOopDesc::nonvirtual_vtable_index) { | |
712 assert(resolved_method->can_be_statically_bound(), "cannot override this method"); | |
713 selected_method = resolved_method; | |
714 } else { | |
715 // recv_klass might be an arrayKlassOop but all vtables start at | |
716 // the same place. The cast is to avoid virtual call and assertion. | |
717 instanceKlass* inst = (instanceKlass*)recv_klass()->klass_part(); | |
718 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); | |
719 } | |
720 } | |
721 | |
722 // check if method exists | |
723 if (selected_method.is_null()) { | |
724 ResourceMark rm(THREAD); | |
725 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
726 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
727 resolved_method->name(), | |
728 resolved_method->signature())); | |
729 } | |
730 | |
731 // check if abstract | |
732 if (check_null_and_abstract && selected_method->is_abstract()) { | |
733 ResourceMark rm(THREAD); | |
734 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
735 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
736 selected_method->name(), | |
737 selected_method->signature())); | |
738 } | |
739 | |
740 // setup result | |
741 result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK); | |
742 } | |
743 | |
744 void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, | |
745 symbolHandle method_name, symbolHandle method_signature, KlassHandle current_klass, | |
746 bool check_access, bool check_null_and_abstract, TRAPS) { | |
747 methodHandle resolved_method; | |
748 linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
749 runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK); | |
750 } | |
751 | |
752 // throws linktime exceptions | |
753 void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, symbolHandle method_name, | |
754 symbolHandle method_signature, KlassHandle current_klass, bool check_access, TRAPS) { | |
755 // normal interface method resolution | |
756 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
757 | |
758 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); | |
759 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); | |
760 } | |
761 | |
762 // throws runtime exceptions | |
763 void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, | |
764 Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) { | |
765 // check if receiver exists | |
766 if (check_null_and_abstract && recv.is_null()) { | |
767 THROW(vmSymbols::java_lang_NullPointerException()); | |
768 } | |
769 | |
770 // check if receiver klass implements the resolved interface | |
771 if (!recv_klass->is_subtype_of(resolved_klass())) { | |
772 char buf[200]; | |
773 jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s", | |
774 (Klass::cast(recv_klass()))->external_name(), | |
775 (Klass::cast(resolved_klass()))->external_name()); | |
776 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
777 } | |
778 // do lookup based on receiver klass | |
779 methodHandle sel_method; | |
780 lookup_instance_method_in_klasses(sel_method, recv_klass, | |
781 symbolHandle(THREAD, resolved_method->name()), | |
782 symbolHandle(THREAD, resolved_method->signature()), CHECK); | |
783 // check if method exists | |
784 if (sel_method.is_null()) { | |
785 ResourceMark rm(THREAD); | |
786 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
787 methodOopDesc::name_and_sig_as_C_string(Klass::cast(recv_klass()), | |
788 resolved_method->name(), | |
789 resolved_method->signature())); | |
790 } | |
791 // check if public | |
792 if (!sel_method->is_public()) { | |
793 ResourceMark rm(THREAD); | |
794 THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), | |
795 methodOopDesc::name_and_sig_as_C_string(Klass::cast(recv_klass()), | |
796 sel_method->name(), | |
797 sel_method->signature())); | |
798 } | |
799 // check if abstract | |
800 if (check_null_and_abstract && sel_method->is_abstract()) { | |
801 ResourceMark rm(THREAD); | |
802 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
803 methodOopDesc::name_and_sig_as_C_string(Klass::cast(recv_klass()), | |
804 sel_method->name(), | |
805 sel_method->signature())); | |
806 } | |
807 // setup result | |
808 result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, CHECK); | |
809 } | |
810 | |
811 | |
812 methodHandle LinkResolver::linktime_resolve_interface_method_or_null( | |
813 KlassHandle resolved_klass, | |
814 symbolHandle method_name, | |
815 symbolHandle method_signature, | |
816 KlassHandle current_klass, | |
817 bool check_access) { | |
818 EXCEPTION_MARK; | |
819 methodHandle method_result; | |
820 linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); | |
821 if (HAS_PENDING_EXCEPTION) { | |
822 CLEAR_PENDING_EXCEPTION; | |
823 return methodHandle(); | |
824 } else { | |
825 return method_result; | |
826 } | |
827 } | |
828 | |
829 methodHandle LinkResolver::linktime_resolve_virtual_method_or_null( | |
830 KlassHandle resolved_klass, | |
831 symbolHandle method_name, | |
832 symbolHandle method_signature, | |
833 KlassHandle current_klass, | |
834 bool check_access) { | |
835 EXCEPTION_MARK; | |
836 methodHandle method_result; | |
837 linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); | |
838 if (HAS_PENDING_EXCEPTION) { | |
839 CLEAR_PENDING_EXCEPTION; | |
840 return methodHandle(); | |
841 } else { | |
842 return method_result; | |
843 } | |
844 } | |
845 | |
846 methodHandle LinkResolver::resolve_virtual_call_or_null( | |
847 KlassHandle receiver_klass, | |
848 KlassHandle resolved_klass, | |
849 symbolHandle name, | |
850 symbolHandle signature, | |
851 KlassHandle current_klass) { | |
852 EXCEPTION_MARK; | |
853 CallInfo info; | |
854 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
855 if (HAS_PENDING_EXCEPTION) { | |
856 CLEAR_PENDING_EXCEPTION; | |
857 return methodHandle(); | |
858 } | |
859 return info.selected_method(); | |
860 } | |
861 | |
862 methodHandle LinkResolver::resolve_interface_call_or_null( | |
863 KlassHandle receiver_klass, | |
864 KlassHandle resolved_klass, | |
865 symbolHandle name, | |
866 symbolHandle signature, | |
867 KlassHandle current_klass) { | |
868 EXCEPTION_MARK; | |
869 CallInfo info; | |
870 resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
871 if (HAS_PENDING_EXCEPTION) { | |
872 CLEAR_PENDING_EXCEPTION; | |
873 return methodHandle(); | |
874 } | |
875 return info.selected_method(); | |
876 } | |
877 | |
878 int LinkResolver::resolve_virtual_vtable_index( | |
879 KlassHandle receiver_klass, | |
880 KlassHandle resolved_klass, | |
881 symbolHandle name, | |
882 symbolHandle signature, | |
883 KlassHandle current_klass) { | |
884 EXCEPTION_MARK; | |
885 CallInfo info; | |
886 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
887 if (HAS_PENDING_EXCEPTION) { | |
888 CLEAR_PENDING_EXCEPTION; | |
889 return methodOopDesc::invalid_vtable_index; | |
890 } | |
891 return info.vtable_index(); | |
892 } | |
893 | |
894 methodHandle LinkResolver::resolve_static_call_or_null( | |
895 KlassHandle resolved_klass, | |
896 symbolHandle name, | |
897 symbolHandle signature, | |
898 KlassHandle current_klass) { | |
899 EXCEPTION_MARK; | |
900 CallInfo info; | |
901 resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
902 if (HAS_PENDING_EXCEPTION) { | |
903 CLEAR_PENDING_EXCEPTION; | |
904 return methodHandle(); | |
905 } | |
906 return info.selected_method(); | |
907 } | |
908 | |
909 methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, symbolHandle name, symbolHandle signature, | |
910 KlassHandle current_klass) { | |
911 EXCEPTION_MARK; | |
912 CallInfo info; | |
913 resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD); | |
914 if (HAS_PENDING_EXCEPTION) { | |
915 CLEAR_PENDING_EXCEPTION; | |
916 return methodHandle(); | |
917 } | |
918 return info.selected_method(); | |
919 } | |
920 | |
921 | |
922 | |
923 //------------------------------------------------------------------------------------------------------------------------ | |
924 // ConstantPool entries | |
925 | |
926 void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) { | |
927 switch (byte) { | |
928 case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break; | |
929 case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break; | |
930 case Bytecodes::_invokevirtual : resolve_invokevirtual (result, recv, pool, index, CHECK); break; | |
931 case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break; | |
932 } | |
933 return; | |
934 } | |
935 | |
936 void LinkResolver::resolve_pool(KlassHandle& resolved_klass, symbolHandle& method_name, symbolHandle& method_signature, | |
937 KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) { | |
938 // resolve klass | |
939 resolve_klass(resolved_klass, pool, index, CHECK); | |
940 | |
941 // Get name, signature, and static klass | |
942 method_name = symbolHandle(THREAD, pool->name_ref_at(index)); | |
943 method_signature = symbolHandle(THREAD, pool->signature_ref_at(index)); | |
944 current_klass = KlassHandle(THREAD, pool->pool_holder()); | |
945 } | |
946 | |
947 | |
948 void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { | |
949 KlassHandle resolved_klass; | |
950 symbolHandle method_name; | |
951 symbolHandle method_signature; | |
952 KlassHandle current_klass; | |
953 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
954 resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); | |
955 } | |
956 | |
957 | |
958 void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { | |
959 KlassHandle resolved_klass; | |
960 symbolHandle method_name; | |
961 symbolHandle method_signature; | |
962 KlassHandle current_klass; | |
963 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
964 resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK); | |
965 } | |
966 | |
967 | |
968 void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv, | |
969 constantPoolHandle pool, int index, | |
970 TRAPS) { | |
971 | |
972 KlassHandle resolved_klass; | |
973 symbolHandle method_name; | |
974 symbolHandle method_signature; | |
975 KlassHandle current_klass; | |
976 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
977 KlassHandle recvrKlass (THREAD, recv.is_null() ? (klassOop)NULL : recv->klass()); | |
978 resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); | |
979 } | |
980 | |
981 | |
982 void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) { | |
983 KlassHandle resolved_klass; | |
984 symbolHandle method_name; | |
985 symbolHandle method_signature; | |
986 KlassHandle current_klass; | |
987 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
988 KlassHandle recvrKlass (THREAD, recv.is_null() ? (klassOop)NULL : recv->klass()); | |
989 resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); | |
990 } | |
991 | |
992 //------------------------------------------------------------------------------------------------------------------------ | |
993 #ifndef PRODUCT | |
994 | |
995 void FieldAccessInfo::print() { | |
996 ResourceMark rm; | |
997 tty->print_cr("Field %s@%d", name()->as_C_string(), field_offset()); | |
998 } | |
999 | |
1000 #endif |