Mercurial > hg > truffle
annotate src/share/vm/interpreter/linkResolver.cpp @ 1783:d5d065957597
6953144: Tiered compilation
Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti
| author | iveresov |
|---|---|
| date | Fri, 03 Sep 2010 17:51:07 -0700 |
| parents | 083fde3b838e |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1783 | 2 * Copyright (c) 1997, 2010, 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 | |
| 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; | |
| 1142 | 58 if (resolved_method->method_holder() == SystemDictionary::Object_klass()) { |
| 0 | 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 | |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
70 void CallInfo::set_dynamic(methodHandle resolved_method, TRAPS) { |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
71 assert(resolved_method->is_method_handle_invoke(), ""); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
72 KlassHandle resolved_klass = SystemDictionaryHandles::MethodHandle_klass(); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
73 assert(resolved_klass == resolved_method->method_holder(), ""); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
74 int vtable_index = methodOopDesc::nonvirtual_vtable_index; |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
75 assert(resolved_method->vtable_index() == vtable_index, ""); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
76 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
|
77 } |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
78 |
| 0 | 79 void CallInfo::set_common(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) { |
| 80 assert(resolved_method->signature() == selected_method->signature(), "signatures must correspond"); | |
| 81 _resolved_klass = resolved_klass; | |
| 82 _selected_klass = selected_klass; | |
| 83 _resolved_method = resolved_method; | |
| 84 _selected_method = selected_method; | |
| 85 _vtable_index = vtable_index; | |
| 1783 | 86 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
|
87 // 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
|
88 |
| 1783 | 89 // Note: with several active threads, the must_be_compiled may be true |
| 90 // while can_be_compiled is false; remove assert | |
| 91 // assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile"); | |
| 0 | 92 if (THREAD->is_Compiler_thread()) { |
| 93 // don't force compilation, resolve was on behalf of compiler | |
| 94 return; | |
| 95 } | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
96 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
|
97 // '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
|
98 // 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
|
99 // 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
|
100 // 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
|
101 // in CompileBroker::compile_method. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
102 // 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
|
103 // even before classes are initialized. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
104 return; |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
105 } |
| 0 | 106 CompileBroker::compile_method(selected_method, InvocationEntryBci, |
| 1783 | 107 CompLevel_initial_compile, |
| 108 methodHandle(), 0, "must_be_compiled", CHECK); | |
| 0 | 109 } |
| 110 } | |
| 111 | |
| 112 | |
| 113 //------------------------------------------------------------------------------------------------------------------------ | |
| 114 // Klass resolution | |
| 115 | |
| 116 void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) { | |
| 117 if (!Reflection::verify_class_access(ref_klass->as_klassOop(), | |
| 118 sel_klass->as_klassOop(), | |
| 119 true)) { | |
| 120 ResourceMark rm(THREAD); | |
| 121 Exceptions::fthrow( | |
| 122 THREAD_AND_LOCATION, | |
| 123 vmSymbolHandles::java_lang_IllegalAccessError(), | |
| 124 "tried to access class %s from class %s", | |
| 125 sel_klass->external_name(), | |
| 126 ref_klass->external_name() | |
| 127 ); | |
| 128 return; | |
| 129 } | |
| 130 } | |
| 131 | |
| 132 void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { | |
| 133 klassOop result_oop = pool->klass_ref_at(index, CHECK); | |
| 134 result = KlassHandle(THREAD, result_oop); | |
| 135 } | |
| 136 | |
| 137 void LinkResolver::resolve_klass_no_update(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { | |
| 138 klassOop result_oop = | |
| 139 constantPoolOopDesc::klass_ref_at_if_loaded_check(pool, index, CHECK); | |
| 140 result = KlassHandle(THREAD, result_oop); | |
| 141 } | |
| 142 | |
| 143 | |
| 144 //------------------------------------------------------------------------------------------------------------------------ | |
| 145 // Method resolution | |
| 146 // | |
| 147 // According to JVM spec. $5.4.3c & $5.4.3d | |
| 148 | |
| 149 void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) { | |
| 150 methodOop result_oop = klass->uncached_lookup_method(name(), signature()); | |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
151 if (EnableMethodHandles && result_oop != NULL) { |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
152 switch (result_oop->intrinsic_id()) { |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
153 case vmIntrinsics::_invokeExact: |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
154 case vmIntrinsics::_invokeGeneric: |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
155 case vmIntrinsics::_invokeDynamic: |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
156 // 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
|
157 return; |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
158 } |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
159 } |
| 0 | 160 result = methodHandle(THREAD, result_oop); |
| 161 } | |
| 162 | |
| 163 // returns first instance method | |
| 164 void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) { | |
| 165 methodOop result_oop = klass->uncached_lookup_method(name(), signature()); | |
| 166 result = methodHandle(THREAD, result_oop); | |
| 167 while (!result.is_null() && result->is_static()) { | |
| 168 klass = KlassHandle(THREAD, Klass::cast(result->method_holder())->super()); | |
| 169 result = methodHandle(THREAD, klass->uncached_lookup_method(name(), signature())); | |
| 170 } | |
| 171 } | |
| 172 | |
| 173 | |
| 174 int LinkResolver::vtable_index_of_miranda_method(KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) { | |
| 175 ResourceMark rm(THREAD); | |
| 176 klassVtable *vt = instanceKlass::cast(klass())->vtable(); | |
| 177 return vt->index_of_miranda(name(), signature()); | |
| 178 } | |
| 179 | |
| 180 void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) { | |
| 181 instanceKlass *ik = instanceKlass::cast(klass()); | |
| 182 result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name(), signature())); | |
| 183 } | |
| 184 | |
|
1508
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
185 void LinkResolver::lookup_implicit_method(methodHandle& result, |
|
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
186 KlassHandle klass, symbolHandle name, symbolHandle signature, |
|
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
187 KlassHandle current_klass, |
|
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
188 TRAPS) { |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
189 if (EnableMethodHandles && |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
190 klass() == SystemDictionary::MethodHandle_klass() && |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
191 methodOopDesc::is_method_handle_invoke_name(name())) { |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
192 if (!MethodHandles::enabled()) { |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
193 // 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
|
194 klassOop natives = SystemDictionary::MethodHandleNatives_klass(); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
195 if (natives == NULL || instanceKlass::cast(natives)->is_not_initialized()) { |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
196 SystemDictionary::resolve_or_fail(vmSymbolHandles::sun_dyn_MethodHandleNatives(), |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
197 Handle(), |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
198 Handle(), |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
199 true, |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
200 CHECK); |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
201 } |
|
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
202 } |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
203 methodOop result_oop = SystemDictionary::find_method_handle_invoke(name, |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
204 signature, |
|
1508
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
205 current_klass, |
| 710 | 206 CHECK); |
| 207 if (result_oop != NULL) { | |
| 208 assert(result_oop->is_method_handle_invoke() && result_oop->signature() == signature(), "consistent"); | |
| 209 result = methodHandle(THREAD, result_oop); | |
| 210 } | |
| 211 } | |
| 212 } | |
| 213 | |
| 0 | 214 void LinkResolver::check_method_accessability(KlassHandle ref_klass, |
| 215 KlassHandle resolved_klass, | |
| 216 KlassHandle sel_klass, | |
| 217 methodHandle sel_method, | |
| 218 TRAPS) { | |
| 219 | |
| 220 AccessFlags flags = sel_method->access_flags(); | |
| 221 | |
| 222 // Special case: arrays always override "clone". JVMS 2.15. | |
| 223 // If the resolved klass is an array class, and the declaring class | |
| 224 // is java.lang.Object and the method is "clone", set the flags | |
| 225 // to public. | |
| 226 // | |
| 227 // We'll check for the method name first, as that's most likely | |
| 228 // to be false (so we'll short-circuit out of these tests). | |
| 229 if (sel_method->name() == vmSymbols::clone_name() && | |
| 1142 | 230 sel_klass() == SystemDictionary::Object_klass() && |
| 0 | 231 resolved_klass->oop_is_array()) { |
| 232 // We need to change "protected" to "public". | |
| 233 assert(flags.is_protected(), "clone not protected?"); | |
| 234 jint new_flags = flags.as_int(); | |
| 235 new_flags = new_flags & (~JVM_ACC_PROTECTED); | |
| 236 new_flags = new_flags | JVM_ACC_PUBLIC; | |
| 237 flags.set_flags(new_flags); | |
| 238 } | |
| 239 | |
| 240 if (!Reflection::verify_field_access(ref_klass->as_klassOop(), | |
| 241 resolved_klass->as_klassOop(), | |
| 242 sel_klass->as_klassOop(), | |
| 243 flags, | |
| 244 true)) { | |
| 245 ResourceMark rm(THREAD); | |
| 246 Exceptions::fthrow( | |
| 247 THREAD_AND_LOCATION, | |
| 248 vmSymbolHandles::java_lang_IllegalAccessError(), | |
| 249 "tried to access method %s.%s%s from class %s", | |
| 250 sel_klass->external_name(), | |
| 251 sel_method->name()->as_C_string(), | |
| 252 sel_method->signature()->as_C_string(), | |
| 253 ref_klass->external_name() | |
| 254 ); | |
| 255 return; | |
| 256 } | |
| 257 } | |
| 258 | |
| 259 void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle& resolved_klass, | |
| 260 constantPoolHandle pool, int index, TRAPS) { | |
| 261 | |
| 262 // resolve klass | |
| 263 resolve_klass(resolved_klass, pool, index, CHECK); | |
| 264 | |
| 265 symbolHandle method_name (THREAD, pool->name_ref_at(index)); | |
| 266 symbolHandle method_signature (THREAD, pool->signature_ref_at(index)); | |
| 267 KlassHandle current_klass(THREAD, pool->pool_holder()); | |
| 268 | |
| 269 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); | |
| 270 } | |
| 271 | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
272 void LinkResolver::resolve_dynamic_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) { |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
273 // The class is java.dyn.MethodHandle |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
274 resolved_klass = SystemDictionaryHandles::MethodHandle_klass(); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
275 |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
276 symbolHandle method_name = vmSymbolHandles::invokeExact_name(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
277 |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
278 symbolHandle method_signature(THREAD, pool->signature_ref_at(index)); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
279 KlassHandle current_klass (THREAD, pool->pool_holder()); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
280 |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
281 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
|
282 } |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1059
diff
changeset
|
283 |
| 0 | 284 void LinkResolver::resolve_interface_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) { |
| 285 | |
| 286 // resolve klass | |
| 287 resolve_klass(resolved_klass, pool, index, CHECK); | |
| 288 symbolHandle method_name (THREAD, pool->name_ref_at(index)); | |
| 289 symbolHandle method_signature (THREAD, pool->signature_ref_at(index)); | |
| 290 KlassHandle current_klass(THREAD, pool->pool_holder()); | |
| 291 | |
| 292 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); | |
| 293 } | |
| 294 | |
| 295 | |
| 296 void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass, | |
| 297 symbolHandle method_name, symbolHandle method_signature, | |
| 298 KlassHandle current_klass, bool check_access, TRAPS) { | |
| 299 | |
| 300 // 1. check if klass is not interface | |
| 301 if (resolved_klass->is_interface()) { | |
| 302 char buf[200]; | |
| 303 jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected", Klass::cast(resolved_klass())->external_name()); | |
| 304 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 305 } | |
| 306 | |
| 307 // 2. lookup method in resolved klass and its super klasses | |
| 308 lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
| 309 | |
| 310 if (resolved_method.is_null()) { // not found in the class hierarchy | |
| 311 // 3. lookup method in all the interfaces implemented by the resolved klass | |
| 312 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
| 313 | |
| 314 if (resolved_method.is_null()) { | |
| 710 | 315 // 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
|
316 lookup_implicit_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, CHECK); |
| 710 | 317 } |
| 318 | |
| 319 if (resolved_method.is_null()) { | |
| 0 | 320 // 4. method lookup failed |
| 321 ResourceMark rm(THREAD); | |
| 322 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), | |
| 323 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 324 method_name(), | |
| 325 method_signature())); | |
| 326 } | |
| 327 } | |
| 328 | |
| 329 // 5. check if method is concrete | |
| 330 if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) { | |
| 331 ResourceMark rm(THREAD); | |
| 332 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 333 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 334 method_name(), | |
| 335 method_signature())); | |
| 336 } | |
| 337 | |
| 338 // 6. access checks, access checking may be turned off when calling from within the VM. | |
| 339 if (check_access) { | |
| 340 assert(current_klass.not_null() , "current_klass should not be null"); | |
| 341 | |
| 342 // check if method can be accessed by the referring class | |
| 343 check_method_accessability(current_klass, | |
| 344 resolved_klass, | |
| 345 KlassHandle(THREAD, resolved_method->method_holder()), | |
| 346 resolved_method, | |
| 347 CHECK); | |
| 348 | |
| 349 // check loader constraints | |
| 350 Handle loader (THREAD, instanceKlass::cast(current_klass())->class_loader()); | |
| 351 Handle class_loader (THREAD, instanceKlass::cast(resolved_method->method_holder())->class_loader()); | |
| 352 { | |
| 353 ResourceMark rm(THREAD); | |
| 354 char* failed_type_name = | |
| 355 SystemDictionary::check_signature_loaders(method_signature, loader, | |
| 356 class_loader, true, CHECK); | |
| 357 if (failed_type_name != NULL) { | |
| 358 const char* msg = "loader constraint violation: when resolving method" | |
| 359 " \"%s\" the class loader (instance of %s) of the current class, %s," | |
| 360 " and the class loader (instance of %s) for resolved class, %s, have" | |
| 361 " different Class objects for the type %s used in the signature"; | |
| 362 char* sig = methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name(),method_signature()); | |
| 363 const char* loader1 = SystemDictionary::loader_name(loader()); | |
| 364 char* current = instanceKlass::cast(current_klass())->name()->as_C_string(); | |
| 365 const char* loader2 = SystemDictionary::loader_name(class_loader()); | |
| 366 char* resolved = instanceKlass::cast(resolved_klass())->name()->as_C_string(); | |
| 367 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + | |
| 368 strlen(current) + strlen(loader2) + strlen(resolved) + | |
| 369 strlen(failed_type_name); | |
| 370 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); | |
| 371 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, | |
| 372 resolved, failed_type_name); | |
| 373 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); | |
| 374 } | |
| 375 } | |
| 376 } | |
| 377 } | |
| 378 | |
| 379 void LinkResolver::resolve_interface_method(methodHandle& resolved_method, | |
| 380 KlassHandle resolved_klass, | |
| 381 symbolHandle method_name, | |
| 382 symbolHandle method_signature, | |
| 383 KlassHandle current_klass, | |
| 384 bool check_access, TRAPS) { | |
| 385 | |
| 386 // check if klass is interface | |
| 387 if (!resolved_klass->is_interface()) { | |
| 388 char buf[200]; | |
| 389 jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", Klass::cast(resolved_klass())->external_name()); | |
| 390 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 391 } | |
| 392 | |
| 393 // lookup method in this interface or its super, java.lang.Object | |
| 394 lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
| 395 | |
| 396 if (resolved_method.is_null()) { | |
| 397 // lookup method in all the super-interfaces | |
| 398 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); | |
| 399 if (resolved_method.is_null()) { | |
| 400 // no method found | |
| 401 ResourceMark rm(THREAD); | |
| 402 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), | |
| 403 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 404 method_name(), | |
| 405 method_signature())); | |
| 406 } | |
| 407 } | |
| 408 | |
| 409 if (check_access) { | |
| 410 HandleMark hm(THREAD); | |
| 411 Handle loader (THREAD, instanceKlass::cast(current_klass())->class_loader()); | |
| 412 Handle class_loader (THREAD, instanceKlass::cast(resolved_method->method_holder())->class_loader()); | |
| 413 { | |
| 414 ResourceMark rm(THREAD); | |
| 415 char* failed_type_name = | |
| 416 SystemDictionary::check_signature_loaders(method_signature, loader, | |
| 417 class_loader, true, CHECK); | |
| 418 if (failed_type_name != NULL) { | |
| 419 const char* msg = "loader constraint violation: when resolving " | |
| 420 "interface method \"%s\" the class loader (instance of %s) of the " | |
| 421 "current class, %s, and the class loader (instance of %s) for " | |
| 422 "resolved class, %s, have different Class objects for the type %s " | |
| 423 "used in the signature"; | |
| 424 char* sig = methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name(),method_signature()); | |
| 425 const char* loader1 = SystemDictionary::loader_name(loader()); | |
| 426 char* current = instanceKlass::cast(current_klass())->name()->as_C_string(); | |
| 427 const char* loader2 = SystemDictionary::loader_name(class_loader()); | |
| 428 char* resolved = instanceKlass::cast(resolved_klass())->name()->as_C_string(); | |
| 429 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + | |
| 430 strlen(current) + strlen(loader2) + strlen(resolved) + | |
| 431 strlen(failed_type_name); | |
| 432 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); | |
| 433 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, | |
| 434 resolved, failed_type_name); | |
| 435 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); | |
| 436 } | |
| 437 } | |
| 438 } | |
| 439 } | |
| 440 | |
| 441 //------------------------------------------------------------------------------------------------------------------------ | |
| 442 // Field resolution | |
| 443 | |
| 444 void LinkResolver::check_field_accessability(KlassHandle ref_klass, | |
| 445 KlassHandle resolved_klass, | |
| 446 KlassHandle sel_klass, | |
| 447 fieldDescriptor& fd, | |
| 448 TRAPS) { | |
| 449 if (!Reflection::verify_field_access(ref_klass->as_klassOop(), | |
| 450 resolved_klass->as_klassOop(), | |
| 451 sel_klass->as_klassOop(), | |
| 452 fd.access_flags(), | |
| 453 true)) { | |
| 454 ResourceMark rm(THREAD); | |
| 455 Exceptions::fthrow( | |
| 456 THREAD_AND_LOCATION, | |
| 457 vmSymbolHandles::java_lang_IllegalAccessError(), | |
| 458 "tried to access field %s.%s from class %s", | |
| 459 sel_klass->external_name(), | |
| 460 fd.name()->as_C_string(), | |
| 461 ref_klass->external_name() | |
| 462 ); | |
| 463 return; | |
| 464 } | |
| 465 } | |
| 466 | |
| 467 void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, TRAPS) { | |
| 468 resolve_field(result, pool, index, byte, check_only, true, CHECK); | |
| 469 } | |
| 470 | |
| 471 void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, bool update_pool, TRAPS) { | |
| 472 assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic || | |
| 473 byte == Bytecodes::_getfield || byte == Bytecodes::_putfield, "bad bytecode"); | |
| 474 | |
| 475 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic); | |
| 476 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic); | |
| 477 | |
| 478 // resolve specified klass | |
| 479 KlassHandle resolved_klass; | |
| 480 if (update_pool) { | |
| 481 resolve_klass(resolved_klass, pool, index, CHECK); | |
| 482 } else { | |
| 483 resolve_klass_no_update(resolved_klass, pool, index, CHECK); | |
| 484 } | |
| 485 // Load these early in case the resolve of the containing klass fails | |
| 486 symbolOop field = pool->name_ref_at(index); | |
| 487 symbolHandle field_h (THREAD, field); // preserve in case we need the name | |
| 488 symbolOop sig = pool->signature_ref_at(index); | |
| 489 // Check if there's a resolved klass containing the field | |
| 490 if( resolved_klass.is_null() ) { | |
| 491 ResourceMark rm(THREAD); | |
| 492 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); | |
| 493 } | |
| 494 | |
| 495 // Resolve instance field | |
| 496 fieldDescriptor fd; // find_field initializes fd if found | |
| 497 KlassHandle sel_klass(THREAD, instanceKlass::cast(resolved_klass())->find_field(field, sig, &fd)); | |
| 498 // check if field exists; i.e., if a klass containing the field def has been selected | |
| 499 if (sel_klass.is_null()){ | |
| 500 ResourceMark rm(THREAD); | |
| 501 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); | |
| 502 } | |
| 503 | |
| 504 // check access | |
| 505 KlassHandle ref_klass(THREAD, pool->pool_holder()); | |
| 506 check_field_accessability(ref_klass, resolved_klass, sel_klass, fd, CHECK); | |
| 507 | |
| 508 // check for errors | |
| 509 if (is_static != fd.is_static()) { | |
| 510 char msg[200]; | |
| 511 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()); | |
| 512 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg); | |
| 513 } | |
| 514 | |
| 515 // Final fields can only be accessed from its own class. | |
| 516 if (is_put && fd.access_flags().is_final() && sel_klass() != pool->pool_holder()) { | |
| 517 THROW(vmSymbols::java_lang_IllegalAccessError()); | |
| 518 } | |
| 519 | |
| 520 // initialize resolved_klass if necessary | |
| 521 // note 1: the klass which declared the field must be initialized (i.e, sel_klass) | |
| 522 // according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99) | |
| 523 // | |
| 524 // note 2: we don't want to force initialization if we are just checking | |
| 525 // if the field access is legal; e.g., during compilation | |
| 526 if (is_static && !check_only) { | |
| 527 sel_klass->initialize(CHECK); | |
| 528 } | |
| 529 | |
| 530 { | |
| 531 HandleMark hm(THREAD); | |
| 532 Handle ref_loader (THREAD, instanceKlass::cast(ref_klass())->class_loader()); | |
| 533 Handle sel_loader (THREAD, instanceKlass::cast(sel_klass())->class_loader()); | |
| 534 symbolHandle signature_ref (THREAD, pool->signature_ref_at(index)); | |
| 535 { | |
| 536 ResourceMark rm(THREAD); | |
| 537 char* failed_type_name = | |
| 538 SystemDictionary::check_signature_loaders(signature_ref, | |
| 539 ref_loader, sel_loader, | |
| 540 false, | |
| 541 CHECK); | |
| 542 if (failed_type_name != NULL) { | |
| 543 const char* msg = "loader constraint violation: when resolving field" | |
| 544 " \"%s\" the class loader (instance of %s) of the referring class, " | |
| 545 "%s, and the class loader (instance of %s) for the field's resolved " | |
| 546 "type, %s, have different Class objects for that type"; | |
| 547 char* field_name = field_h()->as_C_string(); | |
| 548 const char* loader1 = SystemDictionary::loader_name(ref_loader()); | |
| 549 char* sel = instanceKlass::cast(sel_klass())->name()->as_C_string(); | |
| 550 const char* loader2 = SystemDictionary::loader_name(sel_loader()); | |
| 551 size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) + | |
| 552 strlen(sel) + strlen(loader2) + strlen(failed_type_name); | |
| 553 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); | |
| 554 jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2, | |
| 555 failed_type_name); | |
| 556 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); | |
| 557 } | |
| 558 } | |
| 559 } | |
| 560 | |
| 561 // return information. note that the klass is set to the actual klass containing the | |
| 562 // field, otherwise access of static fields in superclasses will not work. | |
| 563 KlassHandle holder (THREAD, fd.field_holder()); | |
| 564 symbolHandle name (THREAD, fd.name()); | |
| 565 result.set(holder, name, fd.index(), fd.offset(), fd.field_type(), fd.access_flags()); | |
| 566 } | |
| 567 | |
| 568 | |
| 569 //------------------------------------------------------------------------------------------------------------------------ | |
| 570 // Invoke resolution | |
| 571 // | |
| 572 // Naming conventions: | |
| 573 // | |
| 574 // resolved_method the specified method (i.e., static receiver specified via constant pool index) | |
| 575 // sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class) | |
| 576 // resolved_klass the specified klass (i.e., specified via constant pool index) | |
| 577 // recv_klass the receiver klass | |
| 578 | |
| 579 | |
| 580 void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, symbolHandle method_name, | |
| 581 symbolHandle method_signature, KlassHandle current_klass, | |
| 582 bool check_access, bool initialize_class, TRAPS) { | |
| 583 methodHandle resolved_method; | |
| 584 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 585 resolved_klass = KlassHandle(THREAD, Klass::cast(resolved_method->method_holder())); | |
| 586 | |
| 587 // Initialize klass (this should only happen if everything is ok) | |
| 588 if (initialize_class && resolved_klass->should_be_initialized()) { | |
| 589 resolved_klass->initialize(CHECK); | |
| 590 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 591 } | |
| 592 | |
| 593 // setup result | |
| 594 result.set_static(resolved_klass, resolved_method, CHECK); | |
| 595 } | |
| 596 | |
| 597 // throws linktime exceptions | |
| 598 void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass, | |
| 599 symbolHandle method_name, symbolHandle method_signature, | |
| 600 KlassHandle current_klass, bool check_access, TRAPS) { | |
| 601 | |
| 602 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 603 assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier"); | |
| 604 | |
| 605 // check if static | |
| 606 if (!resolved_method->is_static()) { | |
| 607 char buf[200]; | |
| 608 jio_snprintf(buf, sizeof(buf), "Expected static method %s", methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 609 resolved_method->name(), | |
| 610 resolved_method->signature())); | |
| 611 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 612 } | |
| 613 } | |
| 614 | |
| 615 | |
| 616 void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, symbolHandle method_name, | |
| 617 symbolHandle method_signature, KlassHandle current_klass, bool check_access, TRAPS) { | |
| 618 methodHandle resolved_method; | |
| 619 linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 620 runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK); | |
| 621 } | |
| 622 | |
| 623 // throws linktime exceptions | |
| 624 void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass, | |
| 625 symbolHandle method_name, symbolHandle method_signature, | |
| 626 KlassHandle current_klass, bool check_access, TRAPS) { | |
| 627 | |
| 628 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 629 | |
| 630 // check if method name is <init>, that it is found in same klass as static type | |
| 631 if (resolved_method->name() == vmSymbols::object_initializer_name() && | |
| 632 resolved_method->method_holder() != resolved_klass()) { | |
| 633 ResourceMark rm(THREAD); | |
| 634 Exceptions::fthrow( | |
| 635 THREAD_AND_LOCATION, | |
| 636 vmSymbolHandles::java_lang_NoSuchMethodError(), | |
| 637 "%s: method %s%s not found", | |
| 638 resolved_klass->external_name(), | |
| 639 resolved_method->name()->as_C_string(), | |
| 640 resolved_method->signature()->as_C_string() | |
| 641 ); | |
| 642 return; | |
| 643 } | |
| 644 | |
| 645 // check if not static | |
| 646 if (resolved_method->is_static()) { | |
| 647 char buf[200]; | |
| 648 jio_snprintf(buf, sizeof(buf), | |
| 649 "Expecting non-static method %s", | |
| 650 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 651 resolved_method->name(), | |
| 652 resolved_method->signature())); | |
| 653 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 654 } | |
| 655 } | |
| 656 | |
| 657 // throws runtime exceptions | |
| 658 void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, | |
| 659 KlassHandle current_klass, bool check_access, TRAPS) { | |
| 660 | |
| 661 // resolved method is selected method unless we have an old-style lookup | |
| 662 methodHandle sel_method(THREAD, resolved_method()); | |
| 663 | |
| 664 // check if this is an old-style super call and do a new lookup if so | |
| 665 { KlassHandle method_klass = KlassHandle(THREAD, | |
| 666 resolved_method->method_holder()); | |
| 667 | |
| 668 if (check_access && | |
| 669 // a) check if ACC_SUPER flag is set for the current class | |
| 670 current_klass->is_super() && | |
| 671 // b) check if the method class is a superclass of the current class (superclass relation is not reflexive!) | |
| 672 current_klass->is_subtype_of(method_klass()) && current_klass() != method_klass() && | |
| 673 // c) check if the method is not <init> | |
| 674 resolved_method->name() != vmSymbols::object_initializer_name()) { | |
| 675 // Lookup super method | |
| 676 KlassHandle super_klass(THREAD, current_klass->super()); | |
| 677 lookup_instance_method_in_klasses(sel_method, super_klass, | |
| 678 symbolHandle(THREAD, resolved_method->name()), | |
| 679 symbolHandle(THREAD, resolved_method->signature()), CHECK); | |
| 680 // check if found | |
| 681 if (sel_method.is_null()) { | |
| 682 ResourceMark rm(THREAD); | |
| 683 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 684 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 685 resolved_method->name(), | |
| 686 resolved_method->signature())); | |
| 687 } | |
| 688 } | |
| 689 } | |
| 690 | |
| 691 // check if not static | |
| 692 if (sel_method->is_static()) { | |
| 693 char buf[200]; | |
| 694 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 695 resolved_method->name(), | |
| 696 resolved_method->signature())); | |
| 697 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 698 } | |
| 699 | |
| 700 // check if abstract | |
| 701 if (sel_method->is_abstract()) { | |
| 702 ResourceMark rm(THREAD); | |
| 703 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 704 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 705 sel_method->name(), | |
| 706 sel_method->signature())); | |
| 707 } | |
| 708 | |
| 709 // setup result | |
| 710 result.set_static(resolved_klass, sel_method, CHECK); | |
| 711 } | |
| 712 | |
| 713 void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass, | |
| 714 symbolHandle method_name, symbolHandle method_signature, KlassHandle current_klass, | |
| 715 bool check_access, bool check_null_and_abstract, TRAPS) { | |
| 716 methodHandle resolved_method; | |
| 717 linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 718 runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK); | |
| 719 } | |
| 720 | |
| 721 // throws linktime exceptions | |
| 722 void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass, | |
| 723 symbolHandle method_name, symbolHandle method_signature, | |
| 724 KlassHandle current_klass, bool check_access, TRAPS) { | |
| 725 // normal method resolution | |
| 726 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 727 | |
| 728 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); | |
| 729 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); | |
| 730 | |
| 731 // check if not static | |
| 732 if (resolved_method->is_static()) { | |
| 733 char buf[200]; | |
| 734 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 735 resolved_method->name(), | |
| 736 resolved_method->signature())); | |
| 737 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 738 } | |
| 739 } | |
| 740 | |
| 741 // throws runtime exceptions | |
| 742 void LinkResolver::runtime_resolve_virtual_method(CallInfo& result, | |
| 743 methodHandle resolved_method, | |
| 744 KlassHandle resolved_klass, | |
| 745 Handle recv, | |
| 746 KlassHandle recv_klass, | |
| 747 bool check_null_and_abstract, | |
| 748 TRAPS) { | |
| 749 | |
| 750 // setup default return values | |
| 751 int vtable_index = methodOopDesc::invalid_vtable_index; | |
| 752 methodHandle selected_method; | |
| 753 | |
| 754 assert(recv.is_null() || recv->is_oop(), "receiver is not an oop"); | |
| 755 | |
| 756 // runtime method resolution | |
| 757 if (check_null_and_abstract && recv.is_null()) { // check if receiver exists | |
| 758 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 759 } | |
| 760 | |
| 761 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the methodOop's | |
| 762 // has not been rewritten, and the vtable initialized. | |
| 763 assert(instanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); | |
| 764 | |
| 765 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the methodOop's | |
| 766 // has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since | |
| 767 // a missing receiver might result in a bogus lookup. | |
| 768 assert(instanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); | |
| 769 | |
| 770 // do lookup based on receiver klass using the vtable index | |
| 771 if (resolved_method->method_holder()->klass_part()->is_interface()) { // miranda method | |
| 772 vtable_index = vtable_index_of_miranda_method(resolved_klass, | |
| 773 symbolHandle(THREAD, resolved_method->name()), | |
| 774 symbolHandle(THREAD, resolved_method->signature()), CHECK); | |
| 775 assert(vtable_index >= 0 , "we should have valid vtable index at this point"); | |
| 776 | |
| 777 instanceKlass* inst = instanceKlass::cast(recv_klass()); | |
| 778 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); | |
| 779 } else { | |
| 780 // at this point we are sure that resolved_method is virtual and not | |
| 781 // a miranda method; therefore, it must have a valid vtable index. | |
| 782 vtable_index = resolved_method->vtable_index(); | |
| 783 // We could get a negative vtable_index for final methods, | |
| 784 // because as an optimization they are they are never put in the vtable, | |
| 785 // unless they override an existing method. | |
| 786 // If we do get a negative, it means the resolved method is the the selected | |
| 787 // method, and it can never be changed by an override. | |
| 788 if (vtable_index == methodOopDesc::nonvirtual_vtable_index) { | |
| 789 assert(resolved_method->can_be_statically_bound(), "cannot override this method"); | |
| 790 selected_method = resolved_method; | |
| 791 } else { | |
| 792 // recv_klass might be an arrayKlassOop but all vtables start at | |
| 793 // the same place. The cast is to avoid virtual call and assertion. | |
| 794 instanceKlass* inst = (instanceKlass*)recv_klass()->klass_part(); | |
| 795 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); | |
| 796 } | |
| 797 } | |
| 798 | |
| 799 // check if method exists | |
| 800 if (selected_method.is_null()) { | |
| 801 ResourceMark rm(THREAD); | |
| 802 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 803 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 804 resolved_method->name(), | |
| 805 resolved_method->signature())); | |
| 806 } | |
| 807 | |
| 808 // check if abstract | |
| 809 if (check_null_and_abstract && selected_method->is_abstract()) { | |
| 810 ResourceMark rm(THREAD); | |
| 811 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 812 methodOopDesc::name_and_sig_as_C_string(Klass::cast(resolved_klass()), | |
| 813 selected_method->name(), | |
| 814 selected_method->signature())); | |
| 815 } | |
| 816 | |
| 817 // setup result | |
| 818 result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK); | |
| 819 } | |
| 820 | |
| 821 void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, | |
| 822 symbolHandle method_name, symbolHandle method_signature, KlassHandle current_klass, | |
| 823 bool check_access, bool check_null_and_abstract, TRAPS) { | |
| 824 methodHandle resolved_method; | |
| 825 linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 826 runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK); | |
| 827 } | |
| 828 | |
| 829 // throws linktime exceptions | |
| 830 void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, symbolHandle method_name, | |
| 831 symbolHandle method_signature, KlassHandle current_klass, bool check_access, TRAPS) { | |
| 832 // normal interface method resolution | |
| 833 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); | |
| 834 | |
| 835 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); | |
| 836 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); | |
| 837 } | |
| 838 | |
| 839 // throws runtime exceptions | |
| 840 void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, | |
| 841 Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) { | |
| 842 // check if receiver exists | |
| 843 if (check_null_and_abstract && recv.is_null()) { | |
| 844 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 845 } | |
| 846 | |
| 847 // check if receiver klass implements the resolved interface | |
| 848 if (!recv_klass->is_subtype_of(resolved_klass())) { | |
| 849 char buf[200]; | |
| 850 jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s", | |
| 851 (Klass::cast(recv_klass()))->external_name(), | |
| 852 (Klass::cast(resolved_klass()))->external_name()); | |
| 853 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); | |
| 854 } | |
| 855 // do lookup based on receiver klass | |
| 856 methodHandle sel_method; | |
| 857 lookup_instance_method_in_klasses(sel_method, recv_klass, | |
| 858 symbolHandle(THREAD, resolved_method->name()), | |
| 859 symbolHandle(THREAD, resolved_method->signature()), CHECK); | |
| 860 // check if method exists | |
| 861 if (sel_method.is_null()) { | |
| 862 ResourceMark rm(THREAD); | |
| 863 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 864 methodOopDesc::name_and_sig_as_C_string(Klass::cast(recv_klass()), | |
| 865 resolved_method->name(), | |
| 866 resolved_method->signature())); | |
| 867 } | |
| 868 // check if public | |
| 869 if (!sel_method->is_public()) { | |
| 870 ResourceMark rm(THREAD); | |
| 871 THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), | |
| 872 methodOopDesc::name_and_sig_as_C_string(Klass::cast(recv_klass()), | |
| 873 sel_method->name(), | |
| 874 sel_method->signature())); | |
| 875 } | |
| 876 // check if abstract | |
| 877 if (check_null_and_abstract && sel_method->is_abstract()) { | |
| 878 ResourceMark rm(THREAD); | |
| 879 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), | |
| 880 methodOopDesc::name_and_sig_as_C_string(Klass::cast(recv_klass()), | |
| 881 sel_method->name(), | |
| 882 sel_method->signature())); | |
| 883 } | |
| 884 // setup result | |
| 885 result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, CHECK); | |
| 886 } | |
| 887 | |
| 888 | |
| 889 methodHandle LinkResolver::linktime_resolve_interface_method_or_null( | |
| 890 KlassHandle resolved_klass, | |
| 891 symbolHandle method_name, | |
| 892 symbolHandle method_signature, | |
| 893 KlassHandle current_klass, | |
| 894 bool check_access) { | |
| 895 EXCEPTION_MARK; | |
| 896 methodHandle method_result; | |
| 897 linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); | |
| 898 if (HAS_PENDING_EXCEPTION) { | |
| 899 CLEAR_PENDING_EXCEPTION; | |
| 900 return methodHandle(); | |
| 901 } else { | |
| 902 return method_result; | |
| 903 } | |
| 904 } | |
| 905 | |
| 906 methodHandle LinkResolver::linktime_resolve_virtual_method_or_null( | |
| 907 KlassHandle resolved_klass, | |
| 908 symbolHandle method_name, | |
| 909 symbolHandle method_signature, | |
| 910 KlassHandle current_klass, | |
| 911 bool check_access) { | |
| 912 EXCEPTION_MARK; | |
| 913 methodHandle method_result; | |
| 914 linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); | |
| 915 if (HAS_PENDING_EXCEPTION) { | |
| 916 CLEAR_PENDING_EXCEPTION; | |
| 917 return methodHandle(); | |
| 918 } else { | |
| 919 return method_result; | |
| 920 } | |
| 921 } | |
| 922 | |
| 923 methodHandle LinkResolver::resolve_virtual_call_or_null( | |
| 924 KlassHandle receiver_klass, | |
| 925 KlassHandle resolved_klass, | |
| 926 symbolHandle name, | |
| 927 symbolHandle signature, | |
| 928 KlassHandle current_klass) { | |
| 929 EXCEPTION_MARK; | |
| 930 CallInfo info; | |
| 931 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
| 932 if (HAS_PENDING_EXCEPTION) { | |
| 933 CLEAR_PENDING_EXCEPTION; | |
| 934 return methodHandle(); | |
| 935 } | |
| 936 return info.selected_method(); | |
| 937 } | |
| 938 | |
| 939 methodHandle LinkResolver::resolve_interface_call_or_null( | |
| 940 KlassHandle receiver_klass, | |
| 941 KlassHandle resolved_klass, | |
| 942 symbolHandle name, | |
| 943 symbolHandle signature, | |
| 944 KlassHandle current_klass) { | |
| 945 EXCEPTION_MARK; | |
| 946 CallInfo info; | |
| 947 resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
| 948 if (HAS_PENDING_EXCEPTION) { | |
| 949 CLEAR_PENDING_EXCEPTION; | |
| 950 return methodHandle(); | |
| 951 } | |
| 952 return info.selected_method(); | |
| 953 } | |
| 954 | |
| 955 int LinkResolver::resolve_virtual_vtable_index( | |
| 956 KlassHandle receiver_klass, | |
| 957 KlassHandle resolved_klass, | |
| 958 symbolHandle name, | |
| 959 symbolHandle signature, | |
| 960 KlassHandle current_klass) { | |
| 961 EXCEPTION_MARK; | |
| 962 CallInfo info; | |
| 963 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
| 964 if (HAS_PENDING_EXCEPTION) { | |
| 965 CLEAR_PENDING_EXCEPTION; | |
| 966 return methodOopDesc::invalid_vtable_index; | |
| 967 } | |
| 968 return info.vtable_index(); | |
| 969 } | |
| 970 | |
| 971 methodHandle LinkResolver::resolve_static_call_or_null( | |
| 972 KlassHandle resolved_klass, | |
| 973 symbolHandle name, | |
| 974 symbolHandle signature, | |
| 975 KlassHandle current_klass) { | |
| 976 EXCEPTION_MARK; | |
| 977 CallInfo info; | |
| 978 resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD); | |
| 979 if (HAS_PENDING_EXCEPTION) { | |
| 980 CLEAR_PENDING_EXCEPTION; | |
| 981 return methodHandle(); | |
| 982 } | |
| 983 return info.selected_method(); | |
| 984 } | |
| 985 | |
| 986 methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, symbolHandle name, symbolHandle signature, | |
| 987 KlassHandle current_klass) { | |
| 988 EXCEPTION_MARK; | |
| 989 CallInfo info; | |
| 990 resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD); | |
| 991 if (HAS_PENDING_EXCEPTION) { | |
| 992 CLEAR_PENDING_EXCEPTION; | |
| 993 return methodHandle(); | |
| 994 } | |
| 995 return info.selected_method(); | |
| 996 } | |
| 997 | |
| 998 | |
| 999 | |
| 1000 //------------------------------------------------------------------------------------------------------------------------ | |
| 1001 // ConstantPool entries | |
| 1002 | |
| 1003 void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) { | |
| 1004 switch (byte) { | |
| 1005 case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break; | |
| 1006 case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break; | |
| 1007 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
|
1008 case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break; |
| 0 | 1009 case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break; |
| 1010 } | |
| 1011 return; | |
| 1012 } | |
| 1013 | |
| 1014 void LinkResolver::resolve_pool(KlassHandle& resolved_klass, symbolHandle& method_name, symbolHandle& method_signature, | |
| 1015 KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) { | |
| 1016 // resolve klass | |
| 1017 resolve_klass(resolved_klass, pool, index, CHECK); | |
| 1018 | |
| 1019 // Get name, signature, and static klass | |
| 1020 method_name = symbolHandle(THREAD, pool->name_ref_at(index)); | |
| 1021 method_signature = symbolHandle(THREAD, pool->signature_ref_at(index)); | |
| 1022 current_klass = KlassHandle(THREAD, pool->pool_holder()); | |
| 1023 } | |
| 1024 | |
| 1025 | |
| 1026 void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { | |
| 1027 KlassHandle resolved_klass; | |
| 1028 symbolHandle method_name; | |
| 1029 symbolHandle method_signature; | |
| 1030 KlassHandle current_klass; | |
| 1031 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
| 1032 resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); | |
| 1033 } | |
| 1034 | |
| 1035 | |
| 1036 void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { | |
| 1037 KlassHandle resolved_klass; | |
| 1038 symbolHandle method_name; | |
| 1039 symbolHandle method_signature; | |
| 1040 KlassHandle current_klass; | |
| 1041 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
| 1042 resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK); | |
| 1043 } | |
| 1044 | |
| 1045 | |
| 1046 void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv, | |
| 1047 constantPoolHandle pool, int index, | |
| 1048 TRAPS) { | |
| 1049 | |
| 1050 KlassHandle resolved_klass; | |
| 1051 symbolHandle method_name; | |
| 1052 symbolHandle method_signature; | |
| 1053 KlassHandle current_klass; | |
| 1054 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
| 1055 KlassHandle recvrKlass (THREAD, recv.is_null() ? (klassOop)NULL : recv->klass()); | |
| 1056 resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); | |
| 1057 } | |
| 1058 | |
| 1059 | |
| 1060 void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) { | |
| 1061 KlassHandle resolved_klass; | |
| 1062 symbolHandle method_name; | |
| 1063 symbolHandle method_signature; | |
| 1064 KlassHandle current_klass; | |
| 1065 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); | |
| 1066 KlassHandle recvrKlass (THREAD, recv.is_null() ? (klassOop)NULL : recv->klass()); | |
| 1067 resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); | |
| 1068 } | |
| 1069 | |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1070 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1071 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
|
1072 assert(EnableInvokeDynamic, ""); |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1073 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1074 // This guy is reached from InterpreterRuntime::resolve_invokedynamic. |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1075 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1076 // At this point, we only need the signature, and can ignore the name. |
|
1059
389049f3f393
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
726
diff
changeset
|
1077 symbolHandle method_signature(THREAD, pool->signature_ref_at(raw_index)); // raw_index works directly |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
1078 symbolHandle method_name = vmSymbolHandles::invokeExact_name(); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1079 KlassHandle resolved_klass = SystemDictionaryHandles::MethodHandle_klass(); |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1080 |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1142
diff
changeset
|
1081 // 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
|
1082 // 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
|
1083 methodHandle resolved_method; |
|
1508
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
1084 KlassHandle current_klass(THREAD, pool->pool_holder()); |
|
2ffde6cfe049
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
1507
diff
changeset
|
1085 lookup_implicit_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, CHECK); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1086 if (resolved_method.is_null()) { |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1087 THROW(vmSymbols::java_lang_InternalError()); |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1088 } |
|
1660
083fde3b838e
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
1552
diff
changeset
|
1089 result.set_dynamic(resolved_method, CHECK); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1090 } |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1091 |
| 0 | 1092 //------------------------------------------------------------------------------------------------------------------------ |
| 1093 #ifndef PRODUCT | |
| 1094 | |
| 1095 void FieldAccessInfo::print() { | |
| 1096 ResourceMark rm; | |
| 1097 tty->print_cr("Field %s@%d", name()->as_C_string(), field_offset()); | |
| 1098 } | |
| 1099 | |
| 1100 #endif |