author | iveresov |
Fri, 03 Sep 2010 17:51:07 -0700 | |
changeset 6453 | 970dc585ab63 |
parent 6062 | bab93afe9df7 |
child 7397 | 5b173b4ca846 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
6453 | 2 |
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
1 | 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 |
* |
|
5547
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5421
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5421
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5421
diff
changeset
|
21 |
* questions. |
1 | 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; |
|
4571 | 58 |
if (resolved_method->method_holder() == SystemDictionary::Object_klass()) { |
1 | 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 |
||
6062
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
70 |
void CallInfo::set_dynamic(methodHandle resolved_method, TRAPS) { |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
71 |
assert(resolved_method->is_method_handle_invoke(), ""); |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
72 |
KlassHandle resolved_klass = SystemDictionaryHandles::MethodHandle_klass(); |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
73 |
assert(resolved_klass == resolved_method->method_holder(), ""); |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
74 |
int vtable_index = methodOopDesc::nonvirtual_vtable_index; |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
75 |
assert(resolved_method->vtable_index() == vtable_index, ""); |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
76 |
set_common(resolved_klass, KlassHandle(), resolved_method, resolved_method, vtable_index, CHECK); |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
77 |
} |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
78 |
|
1 | 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; |
|
6453 | 86 |
if (CompilationPolicy::must_be_compiled(selected_method)) { |
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
87 |
// This path is unusual, mostly used by the '-Xcomp' stress test mode. |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
88 |
|
6453 | 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"); |
|
1 | 92 |
if (THREAD->is_Compiler_thread()) { |
93 |
// don't force compilation, resolve was on behalf of compiler |
|
94 |
return; |
|
95 |
} |
|
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
96 |
if (instanceKlass::cast(selected_method->method_holder())->is_not_initialized()) { |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
97 |
// 'is_not_initialized' means not only '!is_initialized', but also that |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
98 |
// initialization has not been started yet ('!being_initialized') |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
99 |
// Do not force compilation of methods in uninitialized classes. |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
100 |
// Note that doing this would throw an assert later, |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
101 |
// in CompileBroker::compile_method. |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
102 |
// We sometimes use the link resolver to do reflective lookups |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
103 |
// even before classes are initialized. |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
104 |
return; |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
105 |
} |
1 | 106 |
CompileBroker::compile_method(selected_method, InvocationEntryBci, |
6453 | 107 |
CompLevel_initial_compile, |
108 |
methodHandle(), 0, "must_be_compiled", CHECK); |
|
1 | 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()); |
|
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
151 |
if (EnableMethodHandles && result_oop != NULL) { |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
152 |
switch (result_oop->intrinsic_id()) { |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
153 |
case vmIntrinsics::_invokeExact: |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
154 |
case vmIntrinsics::_invokeGeneric: |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
155 |
case vmIntrinsics::_invokeDynamic: |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
156 |
// Do not link directly to these. The VM must produce a synthetic one using lookup_implicit_method. |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
157 |
return; |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
158 |
} |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
159 |
} |
1 | 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 |
||
5421
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
185 |
void LinkResolver::lookup_implicit_method(methodHandle& result, |
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
186 |
KlassHandle klass, symbolHandle name, symbolHandle signature, |
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
187 |
KlassHandle current_klass, |
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
188 |
TRAPS) { |
6062
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
189 |
if (EnableMethodHandles && |
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
190 |
klass() == SystemDictionary::MethodHandle_klass() && |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
191 |
methodOopDesc::is_method_handle_invoke_name(name())) { |
6062
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
192 |
if (!MethodHandles::enabled()) { |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
193 |
// Make sure the Java part of the runtime has been booted up. |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
194 |
klassOop natives = SystemDictionary::MethodHandleNatives_klass(); |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
195 |
if (natives == NULL || instanceKlass::cast(natives)->is_not_initialized()) { |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
196 |
SystemDictionary::resolve_or_fail(vmSymbolHandles::sun_dyn_MethodHandleNatives(), |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
197 |
Handle(), |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
198 |
Handle(), |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
199 |
true, |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
200 |
CHECK); |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
201 |
} |
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
202 |
} |
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
203 |
methodOop result_oop = SystemDictionary::find_method_handle_invoke(name, |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
204 |
signature, |
5421
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
205 |
current_klass, |
2534 | 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 |
||
1 | 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() && |
|
4571 | 230 |
sel_klass() == SystemDictionary::Object_klass() && |
1 | 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 |
||
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
272 |
void LinkResolver::resolve_dynamic_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) { |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
273 |
// The class is java.dyn.MethodHandle |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
274 |
resolved_klass = SystemDictionaryHandles::MethodHandle_klass(); |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
275 |
|
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
276 |
symbolHandle method_name = vmSymbolHandles::invokeExact_name(); |
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
277 |
|
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
278 |
symbolHandle method_signature(THREAD, pool->signature_ref_at(index)); |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
279 |
KlassHandle current_klass (THREAD, pool->pool_holder()); |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
280 |
|
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
281 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
282 |
} |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4429
diff
changeset
|
283 |
|
1 | 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()) { |
|
2534 | 315 |
// JSR 292: see if this is an implicitly generated method MethodHandle.invoke(*...) |
5421
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
316 |
lookup_implicit_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, CHECK); |
2534 | 317 |
} |
318 |
||
319 |
if (resolved_method.is_null()) { |
|
1 | 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; |
|
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1008 |
case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break; |
1 | 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 |
||
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1070 |
|
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1071 |
void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int raw_index, TRAPS) { |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1072 |
assert(EnableInvokeDynamic, ""); |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1073 |
|
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1074 |
// This guy is reached from InterpreterRuntime::resolve_invokedynamic. |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1075 |
|
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1076 |
// At this point, we only need the signature, and can ignore the name. |
4429
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
2570
diff
changeset
|
1077 |
symbolHandle method_signature(THREAD, pool->signature_ref_at(raw_index)); // raw_index works directly |
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
1078 |
symbolHandle method_name = vmSymbolHandles::invokeExact_name(); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1079 |
KlassHandle resolved_klass = SystemDictionaryHandles::MethodHandle_klass(); |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1080 |
|
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
4571
diff
changeset
|
1081 |
// JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1082 |
// The extra MH receiver will be inserted into the stack on every call. |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1083 |
methodHandle resolved_method; |
5421
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
1084 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
1085 |
lookup_implicit_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, CHECK); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1086 |
if (resolved_method.is_null()) { |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1087 |
THROW(vmSymbols::java_lang_InternalError()); |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1088 |
} |
6062
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5547
diff
changeset
|
1089 |
result.set_dynamic(resolved_method, CHECK); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1090 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1091 |
|
1 | 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 |