Mercurial > hg > truffle
annotate src/share/vm/interpreter/linkResolver.cpp @ 3837:43f9d800f276
7066339: Tiered: policy should make consistent decisions about osr levels
Summary: Added feedback disabling flag to common(), fixed handling of TieredStopAtLevel.
Reviewed-by: kvn, never
| author | iveresov |
|---|---|
| date | Wed, 20 Jul 2011 18:04:17 -0700 |
| parents | ddd894528dbc |
| children | f08d439fab8c |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
2356
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2177
diff
changeset
|
2 * Copyright (c) 1997, 2011, 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:
1508
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1508
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:
1508
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/systemDictionary.hpp" | |
| 27 #include "classfile/vmSymbols.hpp" | |
| 28 #include "compiler/compileBroker.hpp" | |
| 29 #include "gc_interface/collectedHeap.inline.hpp" | |
| 30 #include "interpreter/bytecode.hpp" | |
| 31 #include "interpreter/interpreterRuntime.hpp" | |
| 32 #include "interpreter/linkResolver.hpp" | |
| 33 #include "memory/resourceArea.hpp" | |
| 34 #include "memory/universe.inline.hpp" | |
| 35 #include "oops/instanceKlass.hpp" | |
| 36 #include "oops/objArrayOop.hpp" | |
| 37 #include "prims/methodHandles.hpp" | |
| 38 #include "prims/nativeLookup.hpp" | |
| 39 #include "runtime/compilationPolicy.hpp" | |
| 40 #include "runtime/fieldDescriptor.hpp" | |
| 41 #include "runtime/frame.inline.hpp" | |
| 42 #include "runtime/handles.inline.hpp" | |
| 43 #include "runtime/reflection.hpp" | |
| 44 #include "runtime/signature.hpp" | |
| 45 #include "runtime/vmThread.hpp" | |
| 46 #ifdef TARGET_OS_FAMILY_linux | |
| 47 # include "thread_linux.inline.hpp" | |
| 48 #endif | |
| 49 #ifdef TARGET_OS_FAMILY_solaris | |
| 50 # include "thread_solaris.inline.hpp" | |
| 51 #endif | |
| 52 #ifdef TARGET_OS_FAMILY_windows | |
| 53 # include "thread_windows.inline.hpp" | |
| 54 #endif | |
| 0 | 55 |
| 56 //------------------------------------------------------------------------------------------------------------------------ | |
| 57 // Implementation of FieldAccessInfo | |
| 58 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
59 void FieldAccessInfo::set(KlassHandle klass, Symbol* name, int field_index, int field_offset, |
| 0 | 60 BasicType field_type, AccessFlags access_flags) { |
| 61 _klass = klass; | |
| 62 _name = name; | |
| 63 _field_index = field_index; | |
| 64 _field_offset = field_offset; | |
| 65 _field_type = field_type; | |
| 66 _access_flags = access_flags; | |
| 67 } | |
| 68 | |
| 69 | |
| 70 //------------------------------------------------------------------------------------------------------------------------ | |
| 71 // Implementation of CallInfo | |
| 72 | |
| 73 | |
| 74 void CallInfo::set_static(KlassHandle resolved_klass, methodHandle resolved_method, TRAPS) { | |
| 75 int vtable_index = methodOopDesc::nonvirtual_vtable_index; | |
| 76 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, vtable_index, CHECK); | |
| 77 } | |
| 78 | |
| 79 | |
| 80 void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, TRAPS) { | |
| 81 // This is only called for interface methods. If the resolved_method | |
| 82 // comes from java/lang/Object, it can be the subject of a virtual call, so | |
| 83 // we should pick the vtable index from the resolved method. | |
| 84 // Other than that case, there is no valid vtable index to specify. | |
| 85 int vtable_index = methodOopDesc::invalid_vtable_index; | |
| 1142 | 86 if (resolved_method->method_holder() == SystemDictionary::Object_klass()) { |
| 0 | 87 assert(resolved_method->vtable_index() == selected_method->vtable_index(), "sanity check"); |
| 88 vtable_index = resolved_method->vtable_index(); | |
| 89 } | |
| 90 set_common(resolved_klass, selected_klass, resolved_method, selected_method, vtable_index, CHECK); | |
| 91 } | |
| 92 | |
| 93 void CallInfo::set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) { | |
| 94 assert(vtable_index >= 0 || vtable_index == methodOopDesc::nonvirtual_vtable_index, "valid index"); | |
| 95 set_common(resolved_klass, selected_klass, resolved_method, selected_method, vtable_index, CHECK); | |
| 96 } | |
| 97 | |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
98 void CallInfo::set_dynamic(methodHandle resolved_method, TRAPS) { |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
99 assert(resolved_method->is_method_handle_invoke(), ""); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
100 KlassHandle resolved_klass = SystemDictionaryHandles::MethodHandle_klass(); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
101 assert(resolved_klass == resolved_method->method_holder(), ""); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
102 int vtable_index = methodOopDesc::nonvirtual_vtable_index; |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
103 assert(resolved_method->vtable_index() == vtable_index, ""); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
104 set_common(resolved_klass, KlassHandle(), resolved_method, resolved_method, vtable_index, CHECK); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
105 } |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
106 |
| 0 | 107 void CallInfo::set_common(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) { |
| 108 assert(resolved_method->signature() == selected_method->signature(), "signatures must correspond"); | |
| 109 _resolved_klass = resolved_klass; | |
| 110 _selected_klass = selected_klass; | |
| 111 _resolved_method = resolved_method; | |
| 112 _selected_method = selected_method; | |
| 113 _vtable_index = vtable_index; | |
| 1783 | 114 if (CompilationPolicy::must_be_compiled(selected_method)) { |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
115 // This path is unusual, mostly used by the '-Xcomp' stress test mode. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
116 |
| 1783 | 117 // Note: with several active threads, the must_be_compiled may be true |
| 118 // while can_be_compiled is false; remove assert | |
| 119 // assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile"); | |
| 0 | 120 if (THREAD->is_Compiler_thread()) { |
| 121 // don't force compilation, resolve was on behalf of compiler | |
| 122 return; | |
| 123 } | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
124 if (instanceKlass::cast(selected_method->method_holder())->is_not_initialized()) { |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
125 // 'is_not_initialized' means not only '!is_initialized', but also that |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
126 // initialization has not been started yet ('!being_initialized') |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
127 // Do not force compilation of methods in uninitialized classes. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
128 // Note that doing this would throw an assert later, |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
129 // in CompileBroker::compile_method. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
130 // We sometimes use the link resolver to do reflective lookups |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
131 // even before classes are initialized. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
132 return; |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
133 } |
| 0 | 134 CompileBroker::compile_method(selected_method, InvocationEntryBci, |
|
3837
43f9d800f276
7066339: Tiered: policy should make consistent decisions about osr levels
iveresov
parents:
3785
diff
changeset
|
135 CompilationPolicy::policy()->initial_compile_level(), |
| 1783 | 136 methodHandle(), 0, "must_be_compiled", CHECK); |
| 0 | 137 } |
| 138 } | |
| 139 | |
| 140 | |
| 141 //------------------------------------------------------------------------------------------------------------------------ | |
| 142 // Klass resolution | |
| 143 | |
| 144 void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) { | |
| 145 if (!Reflection::verify_class_access(ref_klass->as_klassOop(), | |
| 146 sel_klass->as_klassOop(), | |
| 147 true)) { | |
| 148 ResourceMark rm(THREAD); | |
| 149 Exceptions::fthrow( | |
| 150 THREAD_AND_LOCATION, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
151 vmSymbols::java_lang_IllegalAccessError(), |
| 0 | 152 "tried to access class %s from class %s", |
| 153 sel_klass->external_name(), | |
| 154 ref_klass->external_name() | |
| 155 ); | |
| 156 return; | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { | |
| 161 klassOop result_oop = pool->klass_ref_at(index, CHECK); | |
| 162 result = KlassHandle(THREAD, result_oop); | |
| 163 } | |
| 164 | |
| 165 void LinkResolver::resolve_klass_no_update(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { | |
| 166 klassOop result_oop = | |
| 167 constantPoolOopDesc::klass_ref_at_if_loaded_check(pool, index, CHECK); | |
| 168 result = KlassHandle(THREAD, result_oop); | |
| 169 } | |
| 170 | |
| 171 | |
| 172 //------------------------------------------------------------------------------------------------------------------------ | |
| 173 // Method resolution | |
| 174 // | |
| 175 // According to JVM spec. $5.4.3c & $5.4.3d | |
| 176 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
177 void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
178 methodOop result_oop = klass->uncached_lookup_method(name, signature); |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2359
diff
changeset
|
179 if (EnableInvokeDynamic && result_oop != NULL) { |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
180 switch (result_oop->intrinsic_id()) { |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
181 case vmIntrinsics::_invokeExact: |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
182 case vmIntrinsics::_invokeGeneric: |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
183 case vmIntrinsics::_invokeDynamic: |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
184 // Do not link directly to these. The VM must produce a synthetic one using lookup_implicit_method. |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
185 return; |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
186 } |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
187 } |
| 0 | 188 result = methodHandle(THREAD, result_oop); |
| 189 } | |
| 190 | |
| 191 // returns first instance method | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
192 void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
193 methodOop result_oop = klass->uncached_lookup_method(name, signature); |
| 0 | 194 result = methodHandle(THREAD, result_oop); |
| 195 while (!result.is_null() && result->is_static()) { | |
| 196 klass = KlassHandle(THREAD, Klass::cast(result->method_holder())->super()); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
197 result = methodHandle(THREAD, klass->uncached_lookup_method(name, signature)); |
| 0 | 198 } |
| 199 } | |
| 200 | |
| 201 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
202 int LinkResolver::vtable_index_of_miranda_method(KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
| 0 | 203 ResourceMark rm(THREAD); |
| 204 klassVtable *vt = instanceKlass::cast(klass())->vtable(); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
205 return vt->index_of_miranda(name, signature); |
| 0 | 206 } |
| 207 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
208 void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
| 0 | 209 instanceKlass *ik = instanceKlass::cast(klass()); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
210 result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature)); |
| 0 | 211 } |
| 212 | |
|
1508
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
213 void LinkResolver::lookup_implicit_method(methodHandle& result, |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
214 KlassHandle klass, Symbol* name, Symbol* signature, |
|
1508
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
215 KlassHandle current_klass, |
|
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
216 TRAPS) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2359
diff
changeset
|
217 if (EnableInvokeDynamic && |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
218 klass() == SystemDictionary::MethodHandle_klass() && |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
219 methodOopDesc::is_method_handle_invoke_name(name)) { |
|
2359
d2134498fd3f
7011865: JSR 292 CTW fails: !THREAD->is_Compiler_thread() failed: Can not load classes with the Compiler thre
jrose
parents:
2357
diff
changeset
|
220 if (!THREAD->is_Compiler_thread() && !MethodHandles::enabled()) { |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
221 // Make sure the Java part of the runtime has been booted up. |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
222 klassOop natives = SystemDictionary::MethodHandleNatives_klass(); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
223 if (natives == NULL || instanceKlass::cast(natives)->is_not_initialized()) { |
| 2460 | 224 SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(), |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
225 Handle(), |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
226 Handle(), |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
227 true, |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
228 CHECK); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
229 } |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
230 } |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
231 methodOop result_oop = SystemDictionary::find_method_handle_invoke(name, |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
232 signature, |
|
1508
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
233 current_klass, |
| 710 | 234 CHECK); |
| 235 if (result_oop != NULL) { | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
236 assert(result_oop->is_method_handle_invoke() && result_oop->signature() == signature, "consistent"); |
| 710 | 237 result = methodHandle(THREAD, result_oop); |
| 238 } | |
| 239 } | |
| 240 } | |
| 241 | |
| 0 | 242 void LinkResolver::check_method_accessability(KlassHandle ref_klass, |
| 243 KlassHandle resolved_klass, | |
| 244 KlassHandle sel_klass, | |
| 245 methodHandle sel_method, | |
| 246 TRAPS) { | |
| 247 | |
| 248 AccessFlags flags = sel_method->access_flags(); | |
| 249 | |
| 250 // Special case: arrays always override "clone". JVMS 2.15. | |
| 251 // If the resolved klass is an array class, and the declaring class | |
| 252 // is java.lang.Object and the method is "clone", set the flags | |
| 253 // to public. | |
| 254 // | |
| 255 // We'll check for the method name first, as that's most likely | |
| 256 // to be false (so we'll short-circuit out of these tests). | |
| 257 if (sel_method->name() == vmSymbols::clone_name() && | |
| 1142 | 258 sel_klass() == SystemDictionary::Object_klass() && |
| 0 | 259 resolved_klass->oop_is_array()) { |
| 260 // We need to change "protected" to "public". | |
| 261 assert(flags.is_protected(), "clone not protected?"); | |
| 262 jint new_flags = flags.as_int(); | |
| 263 new_flags = new_flags & (~JVM_ACC_PROTECTED); | |
| 264 new_flags = new_flags | JVM_ACC_PUBLIC; | |
| 265 flags.set_flags(new_flags); | |
| 266 } | |
| 267 | |
| 268 if (!Reflection::verify_field_access(ref_klass->as_klassOop(), | |
| 269 resolved_klass->as_klassOop(), | |
| 270 sel_klass->as_klassOop(), | |
| 271 flags, | |
| 272 true)) { | |
| 273 ResourceMark rm(THREAD); | |
| 274 Exceptions::fthrow( | |
| 275 THREAD_AND_LOCATION, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
276 vmSymbols::java_lang_IllegalAccessError(), |
| 0 | 277 "tried to access method %s.%s%s from class %s", |
| 278 sel_klass->external_name(), | |
| 279 sel_method->name()->as_C_string(), | |
| 280 sel_method->signature()->as_C_string(), | |
| 281 ref_klass->external_name() | |
| 282 ); | |
| 283 return; | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle& resolved_klass, | |
| 288 constantPoolHandle pool, int index, TRAPS) { | |
| 289 | |
| 290 // resolve klass | |
| 291 resolve_klass(resolved_klass, pool, index, CHECK); | |
| 292 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
293 Symbol* method_name = pool->name_ref_at(index); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
294 Symbol* method_signature = pool->signature_ref_at(index); |
| 0 | 295 KlassHandle current_klass(THREAD, pool->pool_holder()); |
| 296 | |
|
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
297 if (pool->has_preresolution() |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
298 || (resolved_klass() == SystemDictionary::MethodHandle_klass() && |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
299 methodOopDesc::is_method_handle_invoke_name(method_name))) { |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
300 methodOop result_oop = constantPoolOopDesc::method_at_if_loaded(pool, index); |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
301 if (result_oop != NULL) { |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
302 resolved_method = methodHandle(THREAD, result_oop); |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
303 return; |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
304 } |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
305 } |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3744
diff
changeset
|
306 |
| 0 | 307 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
| 308 } | |
| 309 | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
310 void LinkResolver::resolve_dynamic_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) { |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
311 // The class is java.lang.invoke.MethodHandle |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
312 resolved_klass = SystemDictionaryHandles::MethodHandle_klass(); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
313 |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
314 Symbol* method_name = vmSymbols::invokeExact_name(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
315 |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
316 Symbol* method_signature = pool->signature_ref_at(index); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
317 KlassHandle current_klass (THREAD, pool->pool_holder()); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
318 |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
319 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
320 } |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
321 |
| 0 | 322 void LinkResolver::resolve_interface_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) { |
| 323 | |
| 324 // resolve klass | |
| 325 resolve_klass(resolved_klass, pool, index, CHECK); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
326 Symbol* method_name = pool->name_ref_at(index); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
327 Symbol* method_signature = pool->signature_ref_at(index); |
| 0 | 328 KlassHandle current_klass(THREAD, pool->pool_holder()); |
| 329 | |
| 330 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); | |
| 331 } | |
| 332 | |
| 333 | |
| 334 void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
335 Symbol* method_name, Symbol* method_signature, |
| 0 | 336 KlassHandle current_klass, bool check_access, TRAPS) { |
| 337 | |
| 338 // 1. check if klass is not interface | |
| 339 if (resolved_klass->is_interface()) { | |
|
3324
acf5e660c71a
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
2460
diff
changeset
|
340 ResourceMark rm(THREAD); |
| 0 | 341 char buf[200]; |
| 342 jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected", Klass::cast(resolved_klass())->external_name()); | |
| 343 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 344 } | |
| 345 | |
| 346 // 2. lookup method in resolved klass and its super klasses | |
| 347 lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
| 348 | |
| 349 if (resolved_method.is_null()) { // not found in the class hierarchy | |
| 350 // 3. lookup method in all the interfaces implemented by the resolved klass | |
| 351 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
| 352 | |
| 353 if (resolved_method.is_null()) { | |
| 710 | 354 // JSR 292: see if this is an implicitly generated method MethodHandle.invoke(*...) |
|
1508
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
355 lookup_implicit_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, CHECK); |
| 710 | 356 } |
| 357 | |
| 358 if (resolved_method.is_null()) { | |
| 0 | 359 // 4. method lookup failed |
| 360 ResourceMark rm(THREAD); | |
| 361 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), | |
| 362 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
363 method_name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
364 method_signature)); |
| 0 | 365 } |
| 366 } | |
| 367 | |
| 368 // 5. check if method is concrete | |
| 369 if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) { | |
| 370 ResourceMark rm(THREAD); | |
| 371 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 372 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
373 method_name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
374 method_signature)); |
| 0 | 375 } |
| 376 | |
| 377 // 6. access checks, access checking may be turned off when calling from within the VM. | |
| 378 if (check_access) { | |
| 379 assert(current_klass.not_null() , "current_klass should not be null"); | |
| 380 | |
| 381 // check if method can be accessed by the referring class | |
| 382 check_method_accessability(current_klass, | |
| 383 resolved_klass, | |
| 384 KlassHandle(THREAD, resolved_method->method_holder()), | |
| 385 resolved_method, | |
| 386 CHECK); | |
| 387 | |
| 388 // check loader constraints | |
| 389 Handle loader (THREAD, instanceKlass::cast(current_klass())->class_loader()); | |
| 390 Handle class_loader (THREAD, instanceKlass::cast(resolved_method->method_holder())->class_loader()); | |
| 391 { | |
| 392 ResourceMark rm(THREAD); | |
| 393 char* failed_type_name = | |
| 394 SystemDictionary::check_signature_loaders(method_signature, loader, | |
| 395 class_loader, true, CHECK); | |
| 396 if (failed_type_name != NULL) { | |
| 397 const char* msg = "loader constraint violation: when resolving method" | |
| 398 " \"%s\" the class loader (instance of %s) of the current class, %s," | |
| 399 " and the class loader (instance of %s) for resolved class, %s, have" | |
| 400 " different Class objects for the type %s used in the signature"; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
401 char* sig = methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name,method_signature); |
| 0 | 402 const char* loader1 = SystemDictionary::loader_name(loader()); |
| 403 char* current = instanceKlass::cast(current_klass())->name()->as_C_string(); | |
| 404 const char* loader2 = SystemDictionary::loader_name(class_loader()); | |
| 405 char* resolved = instanceKlass::cast(resolved_klass())->name()->as_C_string(); | |
| 406 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + | |
| 407 strlen(current) + strlen(loader2) + strlen(resolved) + | |
| 408 strlen(failed_type_name); | |
| 409 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); | |
| 410 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, | |
| 411 resolved, failed_type_name); | |
| 412 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); | |
| 413 } | |
| 414 } | |
| 415 } | |
| 416 } | |
| 417 | |
| 418 void LinkResolver::resolve_interface_method(methodHandle& resolved_method, | |
| 419 KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
420 Symbol* method_name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
421 Symbol* method_signature, |
| 0 | 422 KlassHandle current_klass, |
| 423 bool check_access, TRAPS) { | |
| 424 | |
| 425 // check if klass is interface | |
| 426 if (!resolved_klass->is_interface()) { | |
|
3324
acf5e660c71a
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
2460
diff
changeset
|
427 ResourceMark rm(THREAD); |
| 0 | 428 char buf[200]; |
| 429 jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", Klass::cast(resolved_klass())->external_name()); | |
| 430 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 431 } | |
| 432 | |
| 433 // lookup method in this interface or its super, java.lang.Object | |
| 434 lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
| 435 | |
| 436 if (resolved_method.is_null()) { | |
| 437 // lookup method in all the super-interfaces | |
| 438 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
| 439 if (resolved_method.is_null()) { | |
| 440 // no method found | |
| 441 ResourceMark rm(THREAD); | |
| 442 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), | |
| 443 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
444 method_name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
445 method_signature)); |
| 0 | 446 } |
| 447 } | |
| 448 | |
| 449 if (check_access) { | |
| 450 HandleMark hm(THREAD); | |
| 451 Handle loader (THREAD, instanceKlass::cast(current_klass())->class_loader()); | |
| 452 Handle class_loader (THREAD, instanceKlass::cast(resolved_method->method_holder())->class_loader()); | |
| 453 { | |
| 454 ResourceMark rm(THREAD); | |
| 455 char* failed_type_name = | |
| 456 SystemDictionary::check_signature_loaders(method_signature, loader, | |
| 457 class_loader, true, CHECK); | |
| 458 if (failed_type_name != NULL) { | |
| 459 const char* msg = "loader constraint violation: when resolving " | |
| 460 "interface method \"%s\" the class loader (instance of %s) of the " | |
| 461 "current class, %s, and the class loader (instance of %s) for " | |
| 462 "resolved class, %s, have different Class objects for the type %s " | |
| 463 "used in the signature"; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
464 char* sig = methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name,method_signature); |
| 0 | 465 const char* loader1 = SystemDictionary::loader_name(loader()); |
| 466 char* current = instanceKlass::cast(current_klass())->name()->as_C_string(); | |
| 467 const char* loader2 = SystemDictionary::loader_name(class_loader()); | |
| 468 char* resolved = instanceKlass::cast(resolved_klass())->name()->as_C_string(); | |
| 469 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + | |
| 470 strlen(current) + strlen(loader2) + strlen(resolved) + | |
| 471 strlen(failed_type_name); | |
| 472 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); | |
| 473 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, | |
| 474 resolved, failed_type_name); | |
| 475 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); | |
| 476 } | |
| 477 } | |
| 478 } | |
| 479 } | |
| 480 | |
| 481 //------------------------------------------------------------------------------------------------------------------------ | |
| 482 // Field resolution | |
| 483 | |
| 484 void LinkResolver::check_field_accessability(KlassHandle ref_klass, | |
| 485 KlassHandle resolved_klass, | |
| 486 KlassHandle sel_klass, | |
| 487 fieldDescriptor& fd, | |
| 488 TRAPS) { | |
| 489 if (!Reflection::verify_field_access(ref_klass->as_klassOop(), | |
| 490 resolved_klass->as_klassOop(), | |
| 491 sel_klass->as_klassOop(), | |
| 492 fd.access_flags(), | |
| 493 true)) { | |
| 494 ResourceMark rm(THREAD); | |
| 495 Exceptions::fthrow( | |
| 496 THREAD_AND_LOCATION, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
497 vmSymbols::java_lang_IllegalAccessError(), |
| 0 | 498 "tried to access field %s.%s from class %s", |
| 499 sel_klass->external_name(), | |
| 500 fd.name()->as_C_string(), | |
| 501 ref_klass->external_name() | |
| 502 ); | |
| 503 return; | |
| 504 } | |
| 505 } | |
| 506 | |
| 507 void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, TRAPS) { | |
| 508 resolve_field(result, pool, index, byte, check_only, true, CHECK); | |
| 509 } | |
| 510 | |
| 511 void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, bool update_pool, TRAPS) { | |
| 512 assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic || | |
| 513 byte == Bytecodes::_getfield || byte == Bytecodes::_putfield, "bad bytecode"); | |
| 514 | |
| 515 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic); | |
| 516 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic); | |
| 517 | |
| 518 // resolve specified klass | |
| 519 KlassHandle resolved_klass; | |
| 520 if (update_pool) { | |
| 521 resolve_klass(resolved_klass, pool, index, CHECK); | |
| 522 } else { | |
| 523 resolve_klass_no_update(resolved_klass, pool, index, CHECK); | |
| 524 } | |
| 525 // Load these early in case the resolve of the containing klass fails | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
526 Symbol* field = pool->name_ref_at(index); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
527 Symbol* sig = pool->signature_ref_at(index); |
| 0 | 528 // Check if there's a resolved klass containing the field |
| 529 if( resolved_klass.is_null() ) { | |
| 530 ResourceMark rm(THREAD); | |
| 531 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); | |
| 532 } | |
| 533 | |
| 534 // Resolve instance field | |
| 535 fieldDescriptor fd; // find_field initializes fd if found | |
| 536 KlassHandle sel_klass(THREAD, instanceKlass::cast(resolved_klass())->find_field(field, sig, &fd)); | |
| 537 // check if field exists; i.e., if a klass containing the field def has been selected | |
| 538 if (sel_klass.is_null()){ | |
| 539 ResourceMark rm(THREAD); | |
| 540 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); | |
| 541 } | |
| 542 | |
| 543 // check access | |
| 544 KlassHandle ref_klass(THREAD, pool->pool_holder()); | |
| 545 check_field_accessability(ref_klass, resolved_klass, sel_klass, fd, CHECK); | |
| 546 | |
| 547 // check for errors | |
| 548 if (is_static != fd.is_static()) { | |
|
3324
acf5e660c71a
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
2460
diff
changeset
|
549 ResourceMark rm(THREAD); |
| 0 | 550 char msg[200]; |
| 551 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()); | |
| 552 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg); | |
| 553 } | |
| 554 | |
| 555 // Final fields can only be accessed from its own class. | |
| 556 if (is_put && fd.access_flags().is_final() && sel_klass() != pool->pool_holder()) { | |
| 557 THROW(vmSymbols::java_lang_IllegalAccessError()); | |
| 558 } | |
| 559 | |
| 560 // initialize resolved_klass if necessary | |
| 561 // note 1: the klass which declared the field must be initialized (i.e, sel_klass) | |
| 562 // according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99) | |
| 563 // | |
| 564 // note 2: we don't want to force initialization if we are just checking | |
| 565 // if the field access is legal; e.g., during compilation | |
| 566 if (is_static && !check_only) { | |
| 567 sel_klass->initialize(CHECK); | |
| 568 } | |
| 569 | |
| 570 { | |
| 571 HandleMark hm(THREAD); | |
| 572 Handle ref_loader (THREAD, instanceKlass::cast(ref_klass())->class_loader()); | |
| 573 Handle sel_loader (THREAD, instanceKlass::cast(sel_klass())->class_loader()); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
574 Symbol* signature_ref = pool->signature_ref_at(index); |
| 0 | 575 { |
| 576 ResourceMark rm(THREAD); | |
| 577 char* failed_type_name = | |
| 578 SystemDictionary::check_signature_loaders(signature_ref, | |
| 579 ref_loader, sel_loader, | |
| 580 false, | |
| 581 CHECK); | |
| 582 if (failed_type_name != NULL) { | |
| 583 const char* msg = "loader constraint violation: when resolving field" | |
| 584 " \"%s\" the class loader (instance of %s) of the referring class, " | |
| 585 "%s, and the class loader (instance of %s) for the field's resolved " | |
| 586 "type, %s, have different Class objects for that type"; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
587 char* field_name = field->as_C_string(); |
| 0 | 588 const char* loader1 = SystemDictionary::loader_name(ref_loader()); |
| 589 char* sel = instanceKlass::cast(sel_klass())->name()->as_C_string(); | |
| 590 const char* loader2 = SystemDictionary::loader_name(sel_loader()); | |
| 591 size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) + | |
| 592 strlen(sel) + strlen(loader2) + strlen(failed_type_name); | |
| 593 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); | |
| 594 jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2, | |
| 595 failed_type_name); | |
| 596 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); | |
| 597 } | |
| 598 } | |
| 599 } | |
| 600 | |
| 601 // return information. note that the klass is set to the actual klass containing the | |
| 602 // field, otherwise access of static fields in superclasses will not work. | |
| 603 KlassHandle holder (THREAD, fd.field_holder()); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
604 Symbol* name = fd.name(); |
| 0 | 605 result.set(holder, name, fd.index(), fd.offset(), fd.field_type(), fd.access_flags()); |
| 606 } | |
| 607 | |
| 608 | |
| 609 //------------------------------------------------------------------------------------------------------------------------ | |
| 610 // Invoke resolution | |
| 611 // | |
| 612 // Naming conventions: | |
| 613 // | |
| 614 // resolved_method the specified method (i.e., static receiver specified via constant pool index) | |
| 615 // sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class) | |
| 616 // resolved_klass the specified klass (i.e., specified via constant pool index) | |
| 617 // recv_klass the receiver klass | |
| 618 | |
| 619 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
620 void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
621 Symbol* method_signature, KlassHandle current_klass, |
| 0 | 622 bool check_access, bool initialize_class, TRAPS) { |
| 623 methodHandle resolved_method; | |
| 624 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 625 resolved_klass = KlassHandle(THREAD, Klass::cast(resolved_method->method_holder())); | |
| 626 | |
| 627 // Initialize klass (this should only happen if everything is ok) | |
| 628 if (initialize_class && resolved_klass->should_be_initialized()) { | |
| 629 resolved_klass->initialize(CHECK); | |
| 630 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 631 } | |
| 632 | |
| 633 // setup result | |
| 634 result.set_static(resolved_klass, resolved_method, CHECK); | |
| 635 } | |
| 636 | |
| 637 // throws linktime exceptions | |
| 638 void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
639 Symbol* method_name, Symbol* method_signature, |
| 0 | 640 KlassHandle current_klass, bool check_access, TRAPS) { |
| 641 | |
| 642 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 643 assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier"); | |
| 644 | |
| 645 // check if static | |
| 646 if (!resolved_method->is_static()) { | |
|
3324
acf5e660c71a
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
2460
diff
changeset
|
647 ResourceMark rm(THREAD); |
| 0 | 648 char buf[200]; |
| 649 jio_snprintf(buf, sizeof(buf), "Expected static method %s", methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 650 resolved_method->name(), | |
| 651 resolved_method->signature())); | |
| 652 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 653 } | |
| 654 } | |
| 655 | |
| 656 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
657 void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
658 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
| 0 | 659 methodHandle resolved_method; |
| 660 linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 661 runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK); | |
| 662 } | |
| 663 | |
| 664 // throws linktime exceptions | |
| 665 void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
666 Symbol* method_name, Symbol* method_signature, |
| 0 | 667 KlassHandle current_klass, bool check_access, TRAPS) { |
| 668 | |
| 669 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 670 | |
| 671 // check if method name is <init>, that it is found in same klass as static type | |
| 672 if (resolved_method->name() == vmSymbols::object_initializer_name() && | |
| 673 resolved_method->method_holder() != resolved_klass()) { | |
| 674 ResourceMark rm(THREAD); | |
| 675 Exceptions::fthrow( | |
| 676 THREAD_AND_LOCATION, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
677 vmSymbols::java_lang_NoSuchMethodError(), |
| 0 | 678 "%s: method %s%s not found", |
| 679 resolved_klass->external_name(), | |
| 680 resolved_method->name()->as_C_string(), | |
| 681 resolved_method->signature()->as_C_string() | |
| 682 ); | |
| 683 return; | |
| 684 } | |
| 685 | |
| 686 // check if not static | |
| 687 if (resolved_method->is_static()) { | |
|
3324
acf5e660c71a
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
2460
diff
changeset
|
688 ResourceMark rm(THREAD); |
| 0 | 689 char buf[200]; |
| 690 jio_snprintf(buf, sizeof(buf), | |
| 691 "Expecting non-static method %s", | |
| 692 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 693 resolved_method->name(), | |
| 694 resolved_method->signature())); | |
| 695 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 696 } | |
| 697 } | |
| 698 | |
| 699 // throws runtime exceptions | |
| 700 void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, | |
| 701 KlassHandle current_klass, bool check_access, TRAPS) { | |
| 702 | |
| 703 // resolved method is selected method unless we have an old-style lookup | |
| 704 methodHandle sel_method(THREAD, resolved_method()); | |
| 705 | |
| 706 // check if this is an old-style super call and do a new lookup if so | |
| 707 { KlassHandle method_klass = KlassHandle(THREAD, | |
| 708 resolved_method->method_holder()); | |
| 709 | |
| 710 if (check_access && | |
| 711 // a) check if ACC_SUPER flag is set for the current class | |
| 712 current_klass->is_super() && | |
| 713 // b) check if the method class is a superclass of the current class (superclass relation is not reflexive!) | |
| 714 current_klass->is_subtype_of(method_klass()) && current_klass() != method_klass() && | |
| 715 // c) check if the method is not <init> | |
| 716 resolved_method->name() != vmSymbols::object_initializer_name()) { | |
| 717 // Lookup super method | |
| 718 KlassHandle super_klass(THREAD, current_klass->super()); | |
| 719 lookup_instance_method_in_klasses(sel_method, super_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
720 resolved_method->name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
721 resolved_method->signature(), CHECK); |
| 0 | 722 // check if found |
| 723 if (sel_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 } | |
| 732 | |
| 733 // check if not static | |
| 734 if (sel_method->is_static()) { | |
|
3324
acf5e660c71a
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
2460
diff
changeset
|
735 ResourceMark rm(THREAD); |
| 0 | 736 char buf[200]; |
| 737 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 738 resolved_method->name(), | |
| 739 resolved_method->signature())); | |
| 740 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 741 } | |
| 742 | |
| 743 // check if abstract | |
| 744 if (sel_method->is_abstract()) { | |
| 745 ResourceMark rm(THREAD); | |
| 746 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 747 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 748 sel_method->name(), | |
| 749 sel_method->signature())); | |
| 750 } | |
| 751 | |
| 752 // setup result | |
| 753 result.set_static(resolved_klass, sel_method, CHECK); | |
| 754 } | |
| 755 | |
| 756 void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
757 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
| 0 | 758 bool check_access, bool check_null_and_abstract, TRAPS) { |
| 759 methodHandle resolved_method; | |
| 760 linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 761 runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK); | |
| 762 } | |
| 763 | |
| 764 // throws linktime exceptions | |
| 765 void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
766 Symbol* method_name, Symbol* method_signature, |
| 0 | 767 KlassHandle current_klass, bool check_access, TRAPS) { |
| 768 // normal method resolution | |
| 769 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 770 | |
| 771 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); | |
| 772 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); | |
| 773 | |
| 774 // check if not static | |
| 775 if (resolved_method->is_static()) { | |
|
3324
acf5e660c71a
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
2460
diff
changeset
|
776 ResourceMark rm(THREAD); |
| 0 | 777 char buf[200]; |
| 778 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 779 resolved_method->name(), | |
| 780 resolved_method->signature())); | |
| 781 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 782 } | |
| 783 } | |
| 784 | |
| 785 // throws runtime exceptions | |
| 786 void LinkResolver::runtime_resolve_virtual_method(CallInfo& result, | |
| 787 methodHandle resolved_method, | |
| 788 KlassHandle resolved_klass, | |
| 789 Handle recv, | |
| 790 KlassHandle recv_klass, | |
| 791 bool check_null_and_abstract, | |
| 792 TRAPS) { | |
| 793 | |
| 794 // setup default return values | |
| 795 int vtable_index = methodOopDesc::invalid_vtable_index; | |
| 796 methodHandle selected_method; | |
| 797 | |
| 798 assert(recv.is_null() || recv->is_oop(), "receiver is not an oop"); | |
| 799 | |
| 800 // runtime method resolution | |
| 801 if (check_null_and_abstract && recv.is_null()) { // check if receiver exists | |
| 802 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 803 } | |
| 804 | |
| 805 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the methodOop's | |
| 806 // has not been rewritten, and the vtable initialized. | |
| 807 assert(instanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); | |
| 808 | |
| 809 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the methodOop's | |
| 810 // has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since | |
| 811 // a missing receiver might result in a bogus lookup. | |
| 812 assert(instanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); | |
| 813 | |
| 814 // do lookup based on receiver klass using the vtable index | |
| 815 if (resolved_method->method_holder()->klass_part()->is_interface()) { // miranda method | |
| 816 vtable_index = vtable_index_of_miranda_method(resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
817 resolved_method->name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
818 resolved_method->signature(), CHECK); |
| 0 | 819 assert(vtable_index >= 0 , "we should have valid vtable index at this point"); |
| 820 | |
| 821 instanceKlass* inst = instanceKlass::cast(recv_klass()); | |
| 822 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); | |
| 823 } else { | |
| 824 // at this point we are sure that resolved_method is virtual and not | |
| 825 // a miranda method; therefore, it must have a valid vtable index. | |
| 826 vtable_index = resolved_method->vtable_index(); | |
| 827 // We could get a negative vtable_index for final methods, | |
| 828 // because as an optimization they are they are never put in the vtable, | |
| 829 // unless they override an existing method. | |
| 830 // If we do get a negative, it means the resolved method is the the selected | |
| 831 // method, and it can never be changed by an override. | |
| 832 if (vtable_index == methodOopDesc::nonvirtual_vtable_index) { | |
| 833 assert(resolved_method->can_be_statically_bound(), "cannot override this method"); | |
| 834 selected_method = resolved_method; | |
| 835 } else { | |
| 836 // recv_klass might be an arrayKlassOop but all vtables start at | |
| 837 // the same place. The cast is to avoid virtual call and assertion. | |
| 838 instanceKlass* inst = (instanceKlass*)recv_klass()->klass_part(); | |
| 839 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); | |
| 840 } | |
| 841 } | |
| 842 | |
| 843 // check if method exists | |
| 844 if (selected_method.is_null()) { | |
| 845 ResourceMark rm(THREAD); | |
| 846 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 847 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 848 resolved_method->name(), | |
| 849 resolved_method->signature())); | |
| 850 } | |
| 851 | |
| 852 // check if abstract | |
| 853 if (check_null_and_abstract && selected_method->is_abstract()) { | |
| 854 ResourceMark rm(THREAD); | |
| 855 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 856 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 857 selected_method->name(), | |
| 858 selected_method->signature())); | |
| 859 } | |
| 860 | |
| 861 // setup result | |
| 862 result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK); | |
| 863 } | |
| 864 | |
| 865 void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
866 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
| 0 | 867 bool check_access, bool check_null_and_abstract, TRAPS) { |
| 868 methodHandle resolved_method; | |
| 869 linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 870 runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK); | |
| 871 } | |
| 872 | |
| 873 // throws linktime exceptions | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
874 void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
875 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
| 0 | 876 // normal interface method resolution |
| 877 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 878 | |
| 879 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); | |
| 880 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); | |
| 881 } | |
| 882 | |
| 883 // throws runtime exceptions | |
| 884 void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, | |
| 885 Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) { | |
| 886 // check if receiver exists | |
| 887 if (check_null_and_abstract && recv.is_null()) { | |
| 888 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 889 } | |
| 890 | |
| 891 // check if receiver klass implements the resolved interface | |
| 892 if (!recv_klass->is_subtype_of(resolved_klass())) { | |
|
3324
acf5e660c71a
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
2460
diff
changeset
|
893 ResourceMark rm(THREAD); |
| 0 | 894 char buf[200]; |
| 895 jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s", | |
| 896 (Klass::cast(recv_klass()))->external_name(), | |
| 897 (Klass::cast(resolved_klass()))->external_name()); | |
| 898 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 899 } | |
| 900 // do lookup based on receiver klass | |
| 901 methodHandle sel_method; | |
| 902 lookup_instance_method_in_klasses(sel_method, recv_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
903 resolved_method->name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
904 resolved_method->signature(), CHECK); |
| 0 | 905 // check if method exists |
| 906 if (sel_method.is_null()) { | |
| 907 ResourceMark rm(THREAD); | |
| 908 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 909 methodOopDesc::name_and_sig_as_C_string(Klass::cast(recv_klass()), | |
| 910 resolved_method->name(), | |
| 911 resolved_method->signature())); | |
| 912 } | |
| 913 // check if public | |
| 914 if (!sel_method->is_public()) { | |
| 915 ResourceMark rm(THREAD); | |
| 916 THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), | |
| 917 methodOopDesc::name_and_sig_as_C_string(Klass::cast(recv_klass()), | |
| 918 sel_method->name(), | |
| 919 sel_method->signature())); | |
| 920 } | |
| 921 // check if abstract | |
| 922 if (check_null_and_abstract && sel_method->is_abstract()) { | |
| 923 ResourceMark rm(THREAD); | |
| 924 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 925 methodOopDesc::name_and_sig_as_C_string(Klass::cast(recv_klass()), | |
| 926 sel_method->name(), | |
| 927 sel_method->signature())); | |
| 928 } | |
| 929 // setup result | |
| 930 result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, CHECK); | |
| 931 } | |
| 932 | |
| 933 | |
| 934 methodHandle LinkResolver::linktime_resolve_interface_method_or_null( | |
| 935 KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
936 Symbol* method_name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
937 Symbol* method_signature, |
| 0 | 938 KlassHandle current_klass, |
| 939 bool check_access) { | |
| 940 EXCEPTION_MARK; | |
| 941 methodHandle method_result; | |
| 942 linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); | |
| 943 if (HAS_PENDING_EXCEPTION) { | |
| 944 CLEAR_PENDING_EXCEPTION; | |
| 945 return methodHandle(); | |
| 946 } else { | |
| 947 return method_result; | |
| 948 } | |
| 949 } | |
| 950 | |
| 951 methodHandle LinkResolver::linktime_resolve_virtual_method_or_null( | |
| 952 KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
953 Symbol* method_name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
954 Symbol* method_signature, |
| 0 | 955 KlassHandle current_klass, |
| 956 bool check_access) { | |
| 957 EXCEPTION_MARK; | |
| 958 methodHandle method_result; | |
| 959 linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); | |
| 960 if (HAS_PENDING_EXCEPTION) { | |
| 961 CLEAR_PENDING_EXCEPTION; | |
| 962 return methodHandle(); | |
| 963 } else { | |
| 964 return method_result; | |
| 965 } | |
| 966 } | |
| 967 | |
| 968 methodHandle LinkResolver::resolve_virtual_call_or_null( | |
| 969 KlassHandle receiver_klass, | |
| 970 KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
971 Symbol* name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
972 Symbol* signature, |
| 0 | 973 KlassHandle current_klass) { |
| 974 EXCEPTION_MARK; | |
| 975 CallInfo info; | |
| 976 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
| 977 if (HAS_PENDING_EXCEPTION) { | |
| 978 CLEAR_PENDING_EXCEPTION; | |
| 979 return methodHandle(); | |
| 980 } | |
| 981 return info.selected_method(); | |
| 982 } | |
| 983 | |
| 984 methodHandle LinkResolver::resolve_interface_call_or_null( | |
| 985 KlassHandle receiver_klass, | |
| 986 KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
987 Symbol* name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
988 Symbol* signature, |
| 0 | 989 KlassHandle current_klass) { |
| 990 EXCEPTION_MARK; | |
| 991 CallInfo info; | |
| 992 resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
| 993 if (HAS_PENDING_EXCEPTION) { | |
| 994 CLEAR_PENDING_EXCEPTION; | |
| 995 return methodHandle(); | |
| 996 } | |
| 997 return info.selected_method(); | |
| 998 } | |
| 999 | |
| 1000 int LinkResolver::resolve_virtual_vtable_index( | |
| 1001 KlassHandle receiver_klass, | |
| 1002 KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1003 Symbol* name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1004 Symbol* signature, |
| 0 | 1005 KlassHandle current_klass) { |
| 1006 EXCEPTION_MARK; | |
| 1007 CallInfo info; | |
| 1008 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
| 1009 if (HAS_PENDING_EXCEPTION) { | |
| 1010 CLEAR_PENDING_EXCEPTION; | |
| 1011 return methodOopDesc::invalid_vtable_index; | |
| 1012 } | |
| 1013 return info.vtable_index(); | |
| 1014 } | |
| 1015 | |
| 1016 methodHandle LinkResolver::resolve_static_call_or_null( | |
| 1017 KlassHandle resolved_klass, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1018 Symbol* name, |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1019 Symbol* signature, |
| 0 | 1020 KlassHandle current_klass) { |
| 1021 EXCEPTION_MARK; | |
| 1022 CallInfo info; | |
| 1023 resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
| 1024 if (HAS_PENDING_EXCEPTION) { | |
| 1025 CLEAR_PENDING_EXCEPTION; | |
| 1026 return methodHandle(); | |
| 1027 } | |
| 1028 return info.selected_method(); | |
| 1029 } | |
| 1030 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1031 methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature, |
| 0 | 1032 KlassHandle current_klass) { |
| 1033 EXCEPTION_MARK; | |
| 1034 CallInfo info; | |
| 1035 resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD); | |
| 1036 if (HAS_PENDING_EXCEPTION) { | |
| 1037 CLEAR_PENDING_EXCEPTION; | |
| 1038 return methodHandle(); | |
| 1039 } | |
| 1040 return info.selected_method(); | |
| 1041 } | |
| 1042 | |
| 1043 | |
| 1044 | |
| 1045 //------------------------------------------------------------------------------------------------------------------------ | |
| 1046 // ConstantPool entries | |
| 1047 | |
| 1048 void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) { | |
| 1049 switch (byte) { | |
| 1050 case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break; | |
| 1051 case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break; | |
| 1052 case Bytecodes::_invokevirtual : resolve_invokevirtual (result, recv, pool, index, CHECK); break; | |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1053 case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break; |
| 0 | 1054 case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break; |
| 1055 } | |
| 1056 return; | |
| 1057 } | |
| 1058 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1059 void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature, |
| 0 | 1060 KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) { |
| 1061 // resolve klass | |
| 1062 resolve_klass(resolved_klass, pool, index, CHECK); | |
| 1063 | |
| 1064 // Get name, signature, and static klass | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1065 method_name = pool->name_ref_at(index); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1066 method_signature = pool->signature_ref_at(index); |
| 0 | 1067 current_klass = KlassHandle(THREAD, pool->pool_holder()); |
| 1068 } | |
| 1069 | |
| 1070 | |
| 1071 void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { | |
| 1072 KlassHandle resolved_klass; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1073 Symbol* method_name = NULL; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1074 Symbol* method_signature = NULL; |
| 0 | 1075 KlassHandle current_klass; |
| 1076 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
| 1077 resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); | |
| 1078 } | |
| 1079 | |
| 1080 | |
| 1081 void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { | |
| 1082 KlassHandle resolved_klass; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1083 Symbol* method_name = NULL; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1084 Symbol* method_signature = NULL; |
| 0 | 1085 KlassHandle current_klass; |
| 1086 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
| 1087 resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK); | |
| 1088 } | |
| 1089 | |
| 1090 | |
| 1091 void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv, | |
| 1092 constantPoolHandle pool, int index, | |
| 1093 TRAPS) { | |
| 1094 | |
| 1095 KlassHandle resolved_klass; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1096 Symbol* method_name = NULL; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1097 Symbol* method_signature = NULL; |
| 0 | 1098 KlassHandle current_klass; |
| 1099 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
| 1100 KlassHandle recvrKlass (THREAD, recv.is_null() ? (klassOop)NULL : recv->klass()); | |
| 1101 resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); | |
| 1102 } | |
| 1103 | |
| 1104 | |
| 1105 void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) { | |
| 1106 KlassHandle resolved_klass; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1107 Symbol* method_name = NULL; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1108 Symbol* method_signature = NULL; |
| 0 | 1109 KlassHandle current_klass; |
| 1110 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
| 1111 KlassHandle recvrKlass (THREAD, recv.is_null() ? (klassOop)NULL : recv->klass()); | |
| 1112 resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); | |
| 1113 } | |
| 1114 | |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1115 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1116 void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int raw_index, TRAPS) { |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1117 assert(EnableInvokeDynamic, ""); |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1118 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1119 // This guy is reached from InterpreterRuntime::resolve_invokedynamic. |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1120 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1121 // At this point, we only need the signature, and can ignore the name. |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1122 Symbol* method_signature = pool->signature_ref_at(raw_index); // raw_index works directly |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1123 Symbol* method_name = vmSymbols::invokeExact_name(); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1124 KlassHandle resolved_klass = SystemDictionaryHandles::MethodHandle_klass(); |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1125 |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
1126 // JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1127 // The extra MH receiver will be inserted into the stack on every call. |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1128 methodHandle resolved_method; |
|
1508
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
1129 KlassHandle current_klass(THREAD, pool->pool_holder()); |
|
3744
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1130 lookup_implicit_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, THREAD); |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1131 if (HAS_PENDING_EXCEPTION) { |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1132 if (PENDING_EXCEPTION->is_a(SystemDictionary::BootstrapMethodError_klass())) { |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1133 // throw these guys, since they are already wrapped |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1134 return; |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1135 } |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1136 if (!PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) { |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1137 // intercept only LinkageErrors which might have failed to wrap |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1138 return; |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1139 } |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1140 // See the "Linking Exceptions" section for the invokedynamic instruction in the JVMS. |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1141 Handle ex(THREAD, PENDING_EXCEPTION); |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1142 CLEAR_PENDING_EXCEPTION; |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1143 oop bsme = Klass::cast(SystemDictionary::BootstrapMethodError_klass())->java_mirror(); |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1144 MethodHandles::raise_exception(Bytecodes::_athrow, ex(), bsme, CHECK); |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1145 // java code should not return, but if it does throw out anyway |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1146 THROW(vmSymbols::java_lang_InternalError()); |
|
60b8287df30e
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
3324
diff
changeset
|
1147 } |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1148 if (resolved_method.is_null()) { |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1149 THROW(vmSymbols::java_lang_InternalError()); |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1150 } |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
1151 result.set_dynamic(resolved_method, CHECK); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1152 } |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1153 |
| 0 | 1154 //------------------------------------------------------------------------------------------------------------------------ |
| 1155 #ifndef PRODUCT | |
| 1156 | |
| 1157 void FieldAccessInfo::print() { | |
| 1158 ResourceMark rm; | |
| 1159 tty->print_cr("Field %s@%d", name()->as_C_string(), field_offset()); | |
| 1160 } | |
| 1161 | |
| 1162 #endif |