Mercurial > hg > truffle

annotate src/share/vm/interpreter/linkResolver.cpp @ 13055:fce21ac5968d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8027229: ICCE expected for >=2 maximally specific default methods. Summary: Need to process defaults for interfaces for invokespecial Reviewed-by: lfoltan, hseigel, coleenp, jrose
author acorn
date Wed, 13 Nov 2013 07:31:26 -0800
parents 662c154d2749
children 096c224171c4 22eaa15b7960
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
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
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
25 #include "precompiled.hpp"
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
26 #include "classfile/defaultMethods.hpp"
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
27 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
28 #include "classfile/vmSymbols.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
29 #include "compiler/compileBroker.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
30 #include "gc_interface/collectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
31 #include "interpreter/bytecode.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
32 #include "interpreter/interpreterRuntime.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
33 #include "interpreter/linkResolver.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
34 #include "memory/resourceArea.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
35 #include "memory/universe.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
36 #include "oops/instanceKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
37 #include "oops/objArrayOop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
38 #include "prims/methodHandles.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
39 #include "prims/nativeLookup.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
40 #include "runtime/compilationPolicy.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
41 #include "runtime/fieldDescriptor.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
42 #include "runtime/frame.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
43 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
44 #include "runtime/reflection.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
45 #include "runtime/signature.hpp"
7180
f34d701e952e 8003935: Simplify the needed includes for using Thread::current()
stefank
parents: 6983
diff changeset
46 #include "runtime/thread.inline.hpp"
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1783
diff changeset
47 #include "runtime/vmThread.hpp"
0
a61af66fc99e Initial load
duke
parents:
diff changeset
48
a61af66fc99e Initial load
duke
parents:
diff changeset
49
a61af66fc99e Initial load
duke
parents:
diff changeset
50 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
51 // Implementation of CallInfo
a61af66fc99e Initial load
duke
parents:
diff changeset
52
a61af66fc99e Initial load
duke
parents:
diff changeset
53
a61af66fc99e Initial load
duke
parents:
diff changeset
54 void CallInfo::set_static(KlassHandle resolved_klass, methodHandle resolved_method, TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
55 int vtable_index = Method::nonvirtual_vtable_index;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
56 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
57 }
a61af66fc99e Initial load
duke
parents:
diff changeset
58
a61af66fc99e Initial load
duke
parents:
diff changeset
59
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
60 void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int itable_index, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
61 // This is only called for interface methods. If the resolved_method
a61af66fc99e Initial load
duke
parents:
diff changeset
62 // comes from java/lang/Object, it can be the subject of a virtual call, so
a61af66fc99e Initial load
duke
parents:
diff changeset
63 // we should pick the vtable index from the resolved method.
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
64 // In that case, the caller must call set_virtual instead of set_interface.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
65 assert(resolved_method->method_holder()->is_interface(), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
66 assert(itable_index == resolved_method()->itable_index(), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
67 set_common(resolved_klass, selected_klass, resolved_method, selected_method, CallInfo::itable_call, itable_index, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
68 }
a61af66fc99e Initial load
duke
parents:
diff changeset
69
a61af66fc99e Initial load
duke
parents:
diff changeset
70 void CallInfo::set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
71 assert(vtable_index >= 0 || vtable_index == Method::nonvirtual_vtable_index, "valid index");
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
72 assert(vtable_index < 0 || !resolved_method->has_vtable_index() || vtable_index == resolved_method->vtable_index(), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
73 CallKind kind = (vtable_index >= 0 && !resolved_method->can_be_statically_bound() ? CallInfo::vtable_call : CallInfo::direct_call);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
74 set_common(resolved_klass, selected_klass, resolved_method, selected_method, kind, vtable_index, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
75 assert(!resolved_method->is_compiled_lambda_form(), "these must be handled via an invokehandle call");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
76 }
a61af66fc99e Initial load
duke
parents:
diff changeset
77
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
78 void CallInfo::set_handle(methodHandle resolved_method, Handle resolved_appendix, Handle resolved_method_type, TRAPS) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
79 if (resolved_method.is_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
80 THROW_MSG(vmSymbols::java_lang_InternalError(), "resolved method is null");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
81 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
82 KlassHandle resolved_klass = SystemDictionary::MethodHandle_klass();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
83 assert(resolved_method->intrinsic_id() == vmIntrinsics::_invokeBasic ||
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
84 resolved_method->is_compiled_lambda_form(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
85 "linkMethod must return one of these");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
86 int vtable_index = Method::nonvirtual_vtable_index;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
87 assert(!resolved_method->has_vtable_index(), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
88 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK);
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
89 _resolved_appendix = resolved_appendix;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
90 _resolved_method_type = resolved_method_type;
1660
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 1552
diff changeset
91 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 1552
diff changeset
92
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
93 void CallInfo::set_common(KlassHandle resolved_klass,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
94 KlassHandle selected_klass,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
95 methodHandle resolved_method,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
96 methodHandle selected_method,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
97 CallKind kind,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
98 int index,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
99 TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
100 assert(resolved_method->signature() == selected_method->signature(), "signatures must correspond");
a61af66fc99e Initial load
duke
parents:
diff changeset
101 _resolved_klass = resolved_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
102 _selected_klass = selected_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
103 _resolved_method = resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
104 _selected_method = selected_method;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
105 _call_kind = kind;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
106 _call_index = index;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
107 _resolved_appendix = Handle();
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
108 DEBUG_ONLY(verify()); // verify before making side effects
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
109
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1660
diff changeset
110 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
111 // 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
112
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1660
diff changeset
113 // Note: with several active threads, the must_be_compiled may be true
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1660
diff changeset
114 // while can_be_compiled is false; remove assert
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1660
diff changeset
115 // assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
116 if (THREAD->is_Compiler_thread()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
117 // don't force compilation, resolve was on behalf of compiler
a61af66fc99e Initial load
duke
parents:
diff changeset
118 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
119 }
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
120 if (selected_method->method_holder()->is_not_initialized()) {
1135
e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 1059
diff changeset
121 // '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
122 // 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
123 // 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
124 // 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
125 // in CompileBroker::compile_method.
e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 1059
diff changeset
126 // 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
127 // even before classes are initialized.
e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 1059
diff changeset
128 return;
e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents: 1059
diff changeset
129 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
130 CompileBroker::compile_method(selected_method, InvocationEntryBci,
3837
43f9d800f276 7066339: Tiered: policy should make consistent decisions about osr levels
iveresov
parents: 3785
diff changeset
131 CompilationPolicy::policy()->initial_compile_level(),
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1660
diff changeset
132 methodHandle(), 0, "must_be_compiled", CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
133 }
a61af66fc99e Initial load
duke
parents:
diff changeset
134 }
a61af66fc99e Initial load
duke
parents:
diff changeset
135
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
136 // utility query for unreflecting a method
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
137 CallInfo::CallInfo(Method* resolved_method, Klass* resolved_klass) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
138 Klass* resolved_method_holder = resolved_method->method_holder();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
139 if (resolved_klass == NULL) { // 2nd argument defaults to holder of 1st
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
140 resolved_klass = resolved_method_holder;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
141 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
142 _resolved_klass = resolved_klass;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
143 _selected_klass = resolved_klass;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
144 _resolved_method = resolved_method;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
145 _selected_method = resolved_method;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
146 // classify:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
147 CallKind kind = CallInfo::unknown_kind;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
148 int index = resolved_method->vtable_index();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
149 if (resolved_method->can_be_statically_bound()) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
150 kind = CallInfo::direct_call;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
151 } else if (!resolved_method_holder->is_interface()) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
152 // Could be an Object method inherited into an interface, but still a vtable call.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
153 kind = CallInfo::vtable_call;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
154 } else if (!resolved_klass->is_interface()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
155 // A default or miranda method. Compute the vtable index.
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
156 ResourceMark rm;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
157 klassVtable* vt = InstanceKlass::cast(resolved_klass)->vtable();
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
158 index = LinkResolver::vtable_index_of_interface_method(resolved_klass,
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
159 resolved_method);
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
160 assert(index >= 0 , "we should have valid vtable index at this point");
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
161
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
162 kind = CallInfo::vtable_call;
12885
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
163 } else if (resolved_method->has_vtable_index()) {
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
164 // Can occur if an interface redeclares a method of Object.
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
165
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
166 #ifdef ASSERT
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
167 // Ensure that this is really the case.
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
168 KlassHandle object_klass = SystemDictionary::Object_klass();
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
169 Method * object_resolved_method = object_klass()->vtable()->method_at(index);
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
170 assert(object_resolved_method->name() == resolved_method->name(),
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
171 err_msg("Object and interface method names should match at vtable index %d, %s != %s",
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
172 index, object_resolved_method->name()->as_C_string(), resolved_method->name()->as_C_string()));
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
173 assert(object_resolved_method->signature() == resolved_method->signature(),
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
174 err_msg("Object and interface method signatures should match at vtable index %d, %s != %s",
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
175 index, object_resolved_method->signature()->as_C_string(), resolved_method->signature()->as_C_string()));
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
176 #endif // ASSERT
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
177
8df6f123d35e 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump
drchase
parents: 12823
diff changeset
178 kind = CallInfo::vtable_call;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
179 } else {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
180 // A regular interface call.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
181 kind = CallInfo::itable_call;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
182 index = resolved_method->itable_index();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
183 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
184 assert(index == Method::nonvirtual_vtable_index || index >= 0, err_msg("bad index %d", index));
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
185 _call_kind = kind;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
186 _call_index = index;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
187 _resolved_appendix = Handle();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
188 DEBUG_ONLY(verify());
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
189 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
190
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
191 #ifdef ASSERT
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
192 void CallInfo::verify() {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
193 switch (call_kind()) { // the meaning and allowed value of index depends on kind
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
194 case CallInfo::direct_call:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
195 if (_call_index == Method::nonvirtual_vtable_index) break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
196 // else fall through to check vtable index:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
197 case CallInfo::vtable_call:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
198 assert(resolved_klass()->verify_vtable_index(_call_index), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
199 break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
200 case CallInfo::itable_call:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
201 assert(resolved_method()->method_holder()->verify_itable_index(_call_index), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
202 break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
203 case CallInfo::unknown_kind:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
204 assert(call_kind() != CallInfo::unknown_kind, "CallInfo must be set");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
205 break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
206 default:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
207 fatal(err_msg_res("Unexpected call kind %d", call_kind()));
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
208 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
209 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
210 #endif //ASSERT
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
211
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
212
0
a61af66fc99e Initial load
duke
parents:
diff changeset
213
a61af66fc99e Initial load
duke
parents:
diff changeset
214 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
215 // Klass resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
216
a61af66fc99e Initial load
duke
parents:
diff changeset
217 void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
218 if (!Reflection::verify_class_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
219 sel_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
220 true)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
221 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
222 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
223 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
224 vmSymbols::java_lang_IllegalAccessError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
225 "tried to access class %s from class %s",
a61af66fc99e Initial load
duke
parents:
diff changeset
226 sel_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
227 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
228 );
a61af66fc99e Initial load
duke
parents:
diff changeset
229 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
230 }
a61af66fc99e Initial load
duke
parents:
diff changeset
231 }
a61af66fc99e Initial load
duke
parents:
diff changeset
232
a61af66fc99e Initial load
duke
parents:
diff changeset
233 void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
234 Klass* result_oop = pool->klass_ref_at(index, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
235 result = KlassHandle(THREAD, result_oop);
a61af66fc99e Initial load
duke
parents:
diff changeset
236 }
a61af66fc99e Initial load
duke
parents:
diff changeset
237
a61af66fc99e Initial load
duke
parents:
diff changeset
238 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
239 // Method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
240 //
a61af66fc99e Initial load
duke
parents:
diff changeset
241 // According to JVM spec. $5.4.3c & $5.4.3d
a61af66fc99e Initial load
duke
parents:
diff changeset
242
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
243 // Look up method in klasses, including static methods
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
244 // Then look up local default methods
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
245 void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
246 Method* result_oop = klass->uncached_lookup_method(name, signature);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
247 if (result_oop == NULL) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
248 Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
249 if (default_methods != NULL) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
250 result_oop = InstanceKlass::find_method(default_methods, name, signature);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
251 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
252 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
253
2416
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 2359
diff changeset
254 if (EnableInvokeDynamic && result_oop != NULL) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
255 vmIntrinsics::ID iid = result_oop->intrinsic_id();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
256 if (MethodHandles::is_signature_polymorphic(iid)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
257 // Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method.
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1142
diff changeset
258 return;
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1142
diff changeset
259 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1142
diff changeset
260 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
261 result = methodHandle(THREAD, result_oop);
a61af66fc99e Initial load
duke
parents:
diff changeset
262 }
a61af66fc99e Initial load
duke
parents:
diff changeset
263
a61af66fc99e Initial load
duke
parents:
diff changeset
264 // returns first instance method
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
265 // Looks up method in classes, then looks up local default methods
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
266 void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
267 Method* result_oop = klass->uncached_lookup_method(name, signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
268 result = methodHandle(THREAD, result_oop);
12934
d248425bcfe8 8024804: Crash when InterfaceMethodref resolves to Object.registerNatives
hseigel
parents: 12858
diff changeset
269 while (!result.is_null() && result->is_static() && result->method_holder()->super() != NULL) {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
270 klass = KlassHandle(THREAD, result->method_holder()->super());
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
271 result = methodHandle(THREAD, klass->uncached_lookup_method(name, signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
272 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
273
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
274 if (result.is_null()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
275 Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
276 if (default_methods != NULL) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
277 result = methodHandle(InstanceKlass::find_method(default_methods, name, signature));
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
278 assert(result.is_null() || !result->is_static(), "static defaults not allowed");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
279 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
280 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
281 }
a61af66fc99e Initial load
duke
parents:
diff changeset
282
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
283 int LinkResolver::vtable_index_of_interface_method(KlassHandle klass,
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
284 methodHandle resolved_method) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
285
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
286 int vtable_index = Method::invalid_vtable_index;
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
287 Symbol* name = resolved_method->name();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
288 Symbol* signature = resolved_method->signature();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
289
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
290 // First check in default method array
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
291 if (!resolved_method->is_abstract() &&
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
292 (InstanceKlass::cast(klass())->default_methods() != NULL)) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
293 int index = InstanceKlass::find_method_index(InstanceKlass::cast(klass())->default_methods(), name, signature);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
294 if (index >= 0 ) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
295 vtable_index = InstanceKlass::cast(klass())->default_vtable_indices()->at(index);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
296 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
297 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
298 if (vtable_index == Method::invalid_vtable_index) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
299 // get vtable_index for miranda methods
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
300 ResourceMark rm;
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
301 klassVtable *vt = InstanceKlass::cast(klass())->vtable();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
302 vtable_index = vt->index_of_miranda(name, signature);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
303 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
304 return vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
305 }
a61af66fc99e Initial load
duke
parents:
diff changeset
306
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
307 void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
308 InstanceKlass *ik = InstanceKlass::cast(klass());
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
309 result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
310 }
a61af66fc99e Initial load
duke
parents:
diff changeset
311
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
312 void LinkResolver::lookup_polymorphic_method(methodHandle& result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
313 KlassHandle klass, Symbol* name, Symbol* full_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
314 KlassHandle current_klass,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
315 Handle *appendix_result_or_null,
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
316 Handle *method_type_result,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
317 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
318 vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
319 if (TraceMethodHandles) {
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
320 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
321 tty->print_cr("lookup_polymorphic_method iid=%s %s.%s%s",
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
322 vmIntrinsics::name_at(iid), klass->external_name(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
323 name->as_C_string(), full_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
324 }
2416
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 2359
diff changeset
325 if (EnableInvokeDynamic &&
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1142
diff changeset
326 klass() == SystemDictionary::MethodHandle_klass() &&
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
327 iid != vmIntrinsics::_none) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
328 if (MethodHandles::is_signature_polymorphic_intrinsic(iid)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
329 // Most of these do not need an up-call to Java to resolve, so can be done anywhere.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
330 // Do not erase last argument type (MemberName) if it is a static linkTo method.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
331 bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
332 TempNewSymbol basic_signature =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
333 MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
334 if (TraceMethodHandles) {
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
335 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
336 tty->print_cr("lookup_polymorphic_method %s %s => basic %s",
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
337 name->as_C_string(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
338 full_signature->as_C_string(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
339 basic_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
340 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
341 result = SystemDictionary::find_method_handle_intrinsic(iid,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
342 basic_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
343 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
344 if (result.not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
345 assert(result->is_method_handle_intrinsic(), "MH.invokeBasic or MH.linkTo* intrinsic");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
346 assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
347 assert(basic_signature == result->signature(), "predict the result signature");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
348 if (TraceMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
349 tty->print("lookup_polymorphic_method => intrinsic ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
350 result->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
351 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
352 return;
1660
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 1552
diff changeset
353 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
354 } else if (iid == vmIntrinsics::_invokeGeneric
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
355 && !THREAD->is_Compiler_thread()
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
356 && appendix_result_or_null != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
357 // This is a method with type-checking semantics.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
358 // We will ask Java code to spin an adapter method for it.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
359 if (!MethodHandles::enabled()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
360 // Make sure the Java part of the runtime has been booted up.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
361 Klass* natives = SystemDictionary::MethodHandleNatives_klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
362 if (natives == NULL || InstanceKlass::cast(natives)->is_not_initialized()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
363 SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
364 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
365 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
366 true,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
367 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
368 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
369 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
370
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
371 Handle appendix;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
372 Handle method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
373 result = SystemDictionary::find_method_handle_invoker(name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
374 full_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
375 current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
376 &appendix,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
377 &method_type,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
378 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
379 if (TraceMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
380 tty->print("lookup_polymorphic_method => (via Java) ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
381 result->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
382 tty->print(" lookup_polymorphic_method => appendix = ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
383 if (appendix.is_null()) tty->print_cr("(none)");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
384 else appendix->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
385 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
386 if (result.not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
387 #ifdef ASSERT
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
388 ResourceMark rm(THREAD);
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
389
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
390 TempNewSymbol basic_signature =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
391 MethodHandles::lookup_basic_type_signature(full_signature, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
392 int actual_size_of_params = result->size_of_parameters();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
393 int expected_size_of_params = ArgumentSizeComputer(basic_signature).size();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
394 // +1 for MethodHandle.this, +1 for trailing MethodType
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
395 if (!MethodHandles::is_signature_polymorphic_static(iid)) expected_size_of_params += 1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
396 if (appendix.not_null()) expected_size_of_params += 1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
397 if (actual_size_of_params != expected_size_of_params) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
398 tty->print_cr("*** basic_signature=%s", basic_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
399 tty->print_cr("*** result for %s: ", vmIntrinsics::name_at(iid));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
400 result->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
401 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
402 assert(actual_size_of_params == expected_size_of_params,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
403 err_msg("%d != %d", actual_size_of_params, expected_size_of_params));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
404 #endif //ASSERT
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
405
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
406 assert(appendix_result_or_null != NULL, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
407 (*appendix_result_or_null) = appendix;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
408 (*method_type_result) = method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
409 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
410 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
411 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
412 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
413 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
414
0
a61af66fc99e Initial load
duke
parents:
diff changeset
415 void LinkResolver::check_method_accessability(KlassHandle ref_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
416 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
417 KlassHandle sel_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
418 methodHandle sel_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
419 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
420
a61af66fc99e Initial load
duke
parents:
diff changeset
421 AccessFlags flags = sel_method->access_flags();
a61af66fc99e Initial load
duke
parents:
diff changeset
422
12945
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
423 // Special case #1: arrays always override "clone". JVMS 2.15.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
424 // If the resolved klass is an array class, and the declaring class
a61af66fc99e Initial load
duke
parents:
diff changeset
425 // is java.lang.Object and the method is "clone", set the flags
a61af66fc99e Initial load
duke
parents:
diff changeset
426 // to public.
12945
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
427 // Special case #2: If the resolved klass is an interface, and
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
428 // the declaring class is java.lang.Object, and the method is
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
429 // "clone" or "finalize", set the flags to public. If the
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
430 // resolved interface does not contain "clone" or "finalize"
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
431 // methods, the method/interface method resolution looks to
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
432 // the interface's super class, java.lang.Object. With JDK 8
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
433 // interface accessability check requirement, special casing
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
434 // this scenario is necessary to avoid an IAE.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
435 //
12945
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
436 // We'll check for each method name first and then java.lang.Object
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
437 // to best short-circuit out of these tests.
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
438 if (((sel_method->name() == vmSymbols::clone_name() &&
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
439 (resolved_klass->oop_is_array() || resolved_klass->is_interface())) ||
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
440 (sel_method->name() == vmSymbols::finalize_method_name() &&
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
441 resolved_klass->is_interface())) &&
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
442 sel_klass() == SystemDictionary::Object_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
443 // We need to change "protected" to "public".
12945
662c154d2749 8026394: Eclipse fails with JDK8 build 111
hseigel
parents: 12942
diff changeset
444 assert(flags.is_protected(), "clone or finalize not protected?");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
445 jint new_flags = flags.as_int();
a61af66fc99e Initial load
duke
parents:
diff changeset
446 new_flags = new_flags & (~JVM_ACC_PROTECTED);
a61af66fc99e Initial load
duke
parents:
diff changeset
447 new_flags = new_flags | JVM_ACC_PUBLIC;
a61af66fc99e Initial load
duke
parents:
diff changeset
448 flags.set_flags(new_flags);
a61af66fc99e Initial load
duke
parents:
diff changeset
449 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
450 // assert(extra_arg_result_or_null != NULL, "must be able to return extra argument");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
451
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
452 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
453 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
454 sel_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
455 flags,
a61af66fc99e Initial load
duke
parents:
diff changeset
456 true)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
457 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
458 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
459 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
460 vmSymbols::java_lang_IllegalAccessError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
461 "tried to access method %s.%s%s from class %s",
a61af66fc99e Initial load
duke
parents:
diff changeset
462 sel_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
463 sel_method->name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
464 sel_method->signature()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
465 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
466 );
a61af66fc99e Initial load
duke
parents:
diff changeset
467 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
468 }
a61af66fc99e Initial load
duke
parents:
diff changeset
469 }
a61af66fc99e Initial load
duke
parents:
diff changeset
470
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
471 void LinkResolver::resolve_method_statically(methodHandle& resolved_method, KlassHandle& resolved_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
472 Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS) {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
473 // This method is used only
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
474 // (1) in C2 from InlineTree::ok_to_inline (via ciMethod::check_call),
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
475 // and
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
476 // (2) in Bytecode_invoke::static_target
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
477 // It appears to fail when applied to an invokeinterface call site.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
478 // FIXME: Remove this method and ciMethod::check_call; refactor to use the other LinkResolver entry points.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
479 // resolve klass
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
480 if (code == Bytecodes::_invokedynamic) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
481 resolved_klass = SystemDictionary::MethodHandle_klass();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
482 Symbol* method_name = vmSymbols::invoke_name();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
483 Symbol* method_signature = pool->signature_ref_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
484 KlassHandle current_klass(THREAD, pool->pool_holder());
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
485 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, false, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
486 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
487 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
488
0
a61af66fc99e Initial load
duke
parents:
diff changeset
489 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
490
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
491 Symbol* method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
492 Symbol* method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
493 KlassHandle current_klass(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
494
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
495 if (pool->has_preresolution()
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
496 || (resolved_klass() == SystemDictionary::MethodHandle_klass() &&
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
497 MethodHandles::is_signature_polymorphic_name(resolved_klass(), method_name))) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
498 Method* result_oop = ConstantPool::method_at_if_loaded(pool, index);
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
499 if (result_oop != NULL) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
500 resolved_method = methodHandle(THREAD, result_oop);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
501 return;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
502 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
503 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
504
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
505 if (code == Bytecodes::_invokeinterface) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
506 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
507 } else if (code == Bytecodes::_invokevirtual) {
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
508 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
509 } else {
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
510 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, false, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
511 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
512 }
a61af66fc99e Initial load
duke
parents:
diff changeset
513
a61af66fc99e Initial load
duke
parents:
diff changeset
514 void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
515 Symbol* method_name, Symbol* method_signature,
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
516 KlassHandle current_klass, bool check_access,
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
517 bool require_methodref, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
518
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
519 Handle nested_exception;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
520
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
521 // 1. check if methodref required, that resolved_klass is not interfacemethodref
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
522 if (require_methodref && resolved_klass->is_interface()) {
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
523 ResourceMark rm(THREAD);
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
524 char buf[200];
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
525 jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected",
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
526 resolved_klass()->external_name());
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
527 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
528 }
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
529
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
530 // 2. lookup method in resolved klass and its super klasses
0
a61af66fc99e Initial load
duke
parents:
diff changeset
531 lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
532
a61af66fc99e Initial load
duke
parents:
diff changeset
533 if (resolved_method.is_null()) { // not found in the class hierarchy
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
534 // 3. lookup method in all the interfaces implemented by the resolved klass
0
a61af66fc99e Initial load
duke
parents:
diff changeset
535 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
536
a61af66fc99e Initial load
duke
parents:
diff changeset
537 if (resolved_method.is_null()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
538 // JSR 292: see if this is an implicitly generated method MethodHandle.linkToVirtual(*...), etc
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
539 lookup_polymorphic_method(resolved_method, resolved_klass, method_name, method_signature,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
540 current_klass, (Handle*)NULL, (Handle*)NULL, THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
541 if (HAS_PENDING_EXCEPTION) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
542 nested_exception = Handle(THREAD, PENDING_EXCEPTION);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
543 CLEAR_PENDING_EXCEPTION;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
544 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
545 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
546
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
547 if (resolved_method.is_null()) {
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
548 // 4. method lookup failed
0
a61af66fc99e Initial load
duke
parents:
diff changeset
549 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
550 THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
551 Method::name_and_sig_as_C_string(resolved_klass(),
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
552 method_name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
553 method_signature),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
554 nested_exception);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
555 }
a61af66fc99e Initial load
duke
parents:
diff changeset
556 }
a61af66fc99e Initial load
duke
parents:
diff changeset
557
a61af66fc99e Initial load
duke
parents:
diff changeset
558 // 5. check if method is concrete
a61af66fc99e Initial load
duke
parents:
diff changeset
559 if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
560 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
561 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
562 Method::name_and_sig_as_C_string(resolved_klass(),
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
563 method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
564 method_signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
565 }
a61af66fc99e Initial load
duke
parents:
diff changeset
566
a61af66fc99e Initial load
duke
parents:
diff changeset
567 // 6. access checks, access checking may be turned off when calling from within the VM.
a61af66fc99e Initial load
duke
parents:
diff changeset
568 if (check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
569 assert(current_klass.not_null() , "current_klass should not be null");
a61af66fc99e Initial load
duke
parents:
diff changeset
570
a61af66fc99e Initial load
duke
parents:
diff changeset
571 // check if method can be accessed by the referring class
a61af66fc99e Initial load
duke
parents:
diff changeset
572 check_method_accessability(current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
573 resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
574 KlassHandle(THREAD, resolved_method->method_holder()),
a61af66fc99e Initial load
duke
parents:
diff changeset
575 resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
576 CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
577
a61af66fc99e Initial load
duke
parents:
diff changeset
578 // check loader constraints
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
579 Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
580 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
581 {
a61af66fc99e Initial load
duke
parents:
diff changeset
582 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
583 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
584 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
585 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
586 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
587 const char* msg = "loader constraint violation: when resolving method"
a61af66fc99e Initial load
duke
parents:
diff changeset
588 " \"%s\" the class loader (instance of %s) of the current class, %s,"
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
589 " and the class loader (instance of %s) for the method's defining class, %s, have"
0
a61af66fc99e Initial load
duke
parents:
diff changeset
590 " different Class objects for the type %s used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
591 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
592 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
593 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
594 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
595 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
596 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
597 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
598 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
599 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
600 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
601 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
602 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
603 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
604 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
605 }
a61af66fc99e Initial load
duke
parents:
diff changeset
606 }
a61af66fc99e Initial load
duke
parents:
diff changeset
607 }
a61af66fc99e Initial load
duke
parents:
diff changeset
608 }
a61af66fc99e Initial load
duke
parents:
diff changeset
609
a61af66fc99e Initial load
duke
parents:
diff changeset
610 void LinkResolver::resolve_interface_method(methodHandle& resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
611 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
612 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
613 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
614 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
615 bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
616
a61af66fc99e Initial load
duke
parents:
diff changeset
617 // check if klass is interface
a61af66fc99e Initial load
duke
parents:
diff changeset
618 if (!resolved_klass->is_interface()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
619 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
620 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
621 jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
622 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
623 }
a61af66fc99e Initial load
duke
parents:
diff changeset
624
a61af66fc99e Initial load
duke
parents:
diff changeset
625 // lookup method in this interface or its super, java.lang.Object
a61af66fc99e Initial load
duke
parents:
diff changeset
626 lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
627
a61af66fc99e Initial load
duke
parents:
diff changeset
628 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
629 // lookup method in all the super-interfaces
a61af66fc99e Initial load
duke
parents:
diff changeset
630 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
631 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
632 // no method found
a61af66fc99e Initial load
duke
parents:
diff changeset
633 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
634 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
635 Method::name_and_sig_as_C_string(resolved_klass(),
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
636 method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
637 method_signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
638 }
a61af66fc99e Initial load
duke
parents:
diff changeset
639 }
a61af66fc99e Initial load
duke
parents:
diff changeset
640
a61af66fc99e Initial load
duke
parents:
diff changeset
641 if (check_access) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
642 // JDK8 adds non-public interface methods, and accessability check requirement
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
643 assert(current_klass.not_null() , "current_klass should not be null");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
644
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
645 // check if method can be accessed by the referring class
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
646 check_method_accessability(current_klass,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
647 resolved_klass,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
648 KlassHandle(THREAD, resolved_method->method_holder()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
649 resolved_method,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
650 CHECK);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
651
0
a61af66fc99e Initial load
duke
parents:
diff changeset
652 HandleMark hm(THREAD);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
653 Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
654 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
655 {
a61af66fc99e Initial load
duke
parents:
diff changeset
656 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
657 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
658 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
659 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
660 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
661 const char* msg = "loader constraint violation: when resolving "
a61af66fc99e Initial load
duke
parents:
diff changeset
662 "interface method \"%s\" the class loader (instance of %s) of the "
a61af66fc99e Initial load
duke
parents:
diff changeset
663 "current class, %s, and the class loader (instance of %s) for "
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
664 "the method's defining class, %s, have different Class objects for the type %s "
0
a61af66fc99e Initial load
duke
parents:
diff changeset
665 "used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
666 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
667 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
668 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
669 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
670 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
671 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
672 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
673 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
674 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
675 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
676 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
677 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
678 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
679 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
680 }
a61af66fc99e Initial load
duke
parents:
diff changeset
681 }
a61af66fc99e Initial load
duke
parents:
diff changeset
682 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
683
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
684 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
685 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
686 tty->print("invokeinterface resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
687 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
688 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
689 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
690 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
691 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
692 resolved_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
693 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
694 resolved_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
695 if (resolved_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
696 tty->print("default ");
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
697 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
698 if (resolved_method->is_overpass()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
699 tty->print("overpass");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
700 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
701 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
702 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
703 }
a61af66fc99e Initial load
duke
parents:
diff changeset
704
a61af66fc99e Initial load
duke
parents:
diff changeset
705 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
706 // Field resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
707
a61af66fc99e Initial load
duke
parents:
diff changeset
708 void LinkResolver::check_field_accessability(KlassHandle ref_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
709 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
710 KlassHandle sel_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
711 fieldDescriptor& fd,
a61af66fc99e Initial load
duke
parents:
diff changeset
712 TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
713 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
714 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
715 sel_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
716 fd.access_flags(),
a61af66fc99e Initial load
duke
parents:
diff changeset
717 true)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
718 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
719 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
720 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
721 vmSymbols::java_lang_IllegalAccessError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
722 "tried to access field %s.%s from class %s",
a61af66fc99e Initial load
duke
parents:
diff changeset
723 sel_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
724 fd.name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
725 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
726 );
a61af66fc99e Initial load
duke
parents:
diff changeset
727 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
728 }
a61af66fc99e Initial load
duke
parents:
diff changeset
729 }
a61af66fc99e Initial load
duke
parents:
diff changeset
730
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
731 void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
732 // Load these early in case the resolve of the containing klass fails
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
733 Symbol* field = pool->name_ref_at(index);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
734 Symbol* sig = pool->signature_ref_at(index);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
735
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
736 // resolve specified klass
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
737 KlassHandle resolved_klass;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
738 resolve_klass(resolved_klass, pool, index, CHECK);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
739
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
740 KlassHandle current_klass(THREAD, pool->pool_holder());
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
741 resolve_field(result, resolved_klass, field, sig, current_klass, byte, true, true, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
742 }
a61af66fc99e Initial load
duke
parents:
diff changeset
743
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
744 void LinkResolver::resolve_field(fieldDescriptor& fd, KlassHandle resolved_klass, Symbol* field, Symbol* sig,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
745 KlassHandle current_klass, Bytecodes::Code byte, bool check_access, bool initialize_class,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
746 TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
747 assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic ||
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
748 byte == Bytecodes::_getfield || byte == Bytecodes::_putfield ||
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
749 (byte == Bytecodes::_nop && !check_access), "bad field access bytecode");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
750
a61af66fc99e Initial load
duke
parents:
diff changeset
751 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
752 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
753
a61af66fc99e Initial load
duke
parents:
diff changeset
754 // Check if there's a resolved klass containing the field
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
755 if (resolved_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
756 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
757 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
758 }
a61af66fc99e Initial load
duke
parents:
diff changeset
759
a61af66fc99e Initial load
duke
parents:
diff changeset
760 // Resolve instance field
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
761 KlassHandle sel_klass(THREAD, InstanceKlass::cast(resolved_klass())->find_field(field, sig, &fd));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
762 // check if field exists; i.e., if a klass containing the field def has been selected
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
763 if (sel_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
764 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
765 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
766 }
a61af66fc99e Initial load
duke
parents:
diff changeset
767
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
768 if (!check_access)
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
769 // Access checking may be turned off when calling from within the VM.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
770 return;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
771
0
a61af66fc99e Initial load
duke
parents:
diff changeset
772 // check access
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
773 check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
774
a61af66fc99e Initial load
duke
parents:
diff changeset
775 // check for errors
a61af66fc99e Initial load
duke
parents:
diff changeset
776 if (is_static != fd.is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
777 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
778 char msg[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
779 jio_snprintf(msg, sizeof(msg), "Expected %s field %s.%s", is_static ? "static" : "non-static", resolved_klass()->external_name(), fd.name()->as_C_string());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
780 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg);
a61af66fc99e Initial load
duke
parents:
diff changeset
781 }
a61af66fc99e Initial load
duke
parents:
diff changeset
782
a61af66fc99e Initial load
duke
parents:
diff changeset
783 // Final fields can only be accessed from its own class.
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
784 if (is_put && fd.access_flags().is_final() && sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
785 THROW(vmSymbols::java_lang_IllegalAccessError());
a61af66fc99e Initial load
duke
parents:
diff changeset
786 }
a61af66fc99e Initial load
duke
parents:
diff changeset
787
a61af66fc99e Initial load
duke
parents:
diff changeset
788 // initialize resolved_klass if necessary
a61af66fc99e Initial load
duke
parents:
diff changeset
789 // note 1: the klass which declared the field must be initialized (i.e, sel_klass)
a61af66fc99e Initial load
duke
parents:
diff changeset
790 // according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99)
a61af66fc99e Initial load
duke
parents:
diff changeset
791 //
a61af66fc99e Initial load
duke
parents:
diff changeset
792 // note 2: we don't want to force initialization if we are just checking
a61af66fc99e Initial load
duke
parents:
diff changeset
793 // if the field access is legal; e.g., during compilation
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
794 if (is_static && initialize_class) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
795 sel_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
796 }
a61af66fc99e Initial load
duke
parents:
diff changeset
797
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
798 if (sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
799 HandleMark hm(THREAD);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
800 Handle ref_loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
801 Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
802 {
a61af66fc99e Initial load
duke
parents:
diff changeset
803 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
804 Symbol* failed_type_symbol =
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
805 SystemDictionary::check_signature_loaders(sig,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
806 ref_loader, sel_loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
807 false,
a61af66fc99e Initial load
duke
parents:
diff changeset
808 CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
809 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
810 const char* msg = "loader constraint violation: when resolving field"
a61af66fc99e Initial load
duke
parents:
diff changeset
811 " \"%s\" the class loader (instance of %s) of the referring class, "
a61af66fc99e Initial load
duke
parents:
diff changeset
812 "%s, and the class loader (instance of %s) for the field's resolved "
a61af66fc99e Initial load
duke
parents:
diff changeset
813 "type, %s, have different Class objects for that type";
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
814 char* field_name = field->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
815 const char* loader1 = SystemDictionary::loader_name(ref_loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
816 char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
817 const char* loader2 = SystemDictionary::loader_name(sel_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
818 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
819 size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
820 strlen(sel) + strlen(loader2) + strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
821 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
822 jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2,
a61af66fc99e Initial load
duke
parents:
diff changeset
823 failed_type_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
824 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
825 }
a61af66fc99e Initial load
duke
parents:
diff changeset
826 }
a61af66fc99e Initial load
duke
parents:
diff changeset
827 }
a61af66fc99e Initial load
duke
parents:
diff changeset
828
a61af66fc99e Initial load
duke
parents:
diff changeset
829 // return information. note that the klass is set to the actual klass containing the
a61af66fc99e Initial load
duke
parents:
diff changeset
830 // field, otherwise access of static fields in superclasses will not work.
a61af66fc99e Initial load
duke
parents:
diff changeset
831 }
a61af66fc99e Initial load
duke
parents:
diff changeset
832
a61af66fc99e Initial load
duke
parents:
diff changeset
833
a61af66fc99e Initial load
duke
parents:
diff changeset
834 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
835 // Invoke resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
836 //
a61af66fc99e Initial load
duke
parents:
diff changeset
837 // Naming conventions:
a61af66fc99e Initial load
duke
parents:
diff changeset
838 //
a61af66fc99e Initial load
duke
parents:
diff changeset
839 // resolved_method the specified method (i.e., static receiver specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
840 // sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class)
a61af66fc99e Initial load
duke
parents:
diff changeset
841 // resolved_klass the specified klass (i.e., specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
842 // recv_klass the receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
843
a61af66fc99e Initial load
duke
parents:
diff changeset
844
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
845 void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
846 Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
847 bool check_access, bool initialize_class, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
848 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
849 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
850 resolved_klass = KlassHandle(THREAD, resolved_method->method_holder());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
851
a61af66fc99e Initial load
duke
parents:
diff changeset
852 // Initialize klass (this should only happen if everything is ok)
a61af66fc99e Initial load
duke
parents:
diff changeset
853 if (initialize_class && resolved_klass->should_be_initialized()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
854 resolved_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
855 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
856 }
a61af66fc99e Initial load
duke
parents:
diff changeset
857
a61af66fc99e Initial load
duke
parents:
diff changeset
858 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
859 result.set_static(resolved_klass, resolved_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
860 }
a61af66fc99e Initial load
duke
parents:
diff changeset
861
a61af66fc99e Initial load
duke
parents:
diff changeset
862 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
863 void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
864 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
865 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
866
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
867 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
868 assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
869
a61af66fc99e Initial load
duke
parents:
diff changeset
870 // check if static
a61af66fc99e Initial load
duke
parents:
diff changeset
871 if (!resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
872 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
873 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
874 jio_snprintf(buf, sizeof(buf), "Expected static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
875 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
876 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
877 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
878 }
a61af66fc99e Initial load
duke
parents:
diff changeset
879 }
a61af66fc99e Initial load
duke
parents:
diff changeset
880
a61af66fc99e Initial load
duke
parents:
diff changeset
881
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
882 void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
883 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
884 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
885 linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
886 runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
887 }
a61af66fc99e Initial load
duke
parents:
diff changeset
888
a61af66fc99e Initial load
duke
parents:
diff changeset
889 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
890 void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
891 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
892 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
893
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
894 // Invokespecial is called for multiple special reasons:
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
895 // <init>
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
896 // local private method invocation, for classes and interfaces
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
897 // superclass.method, which can also resolve to a default method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
898 // and the selected method is recalculated relative to the direct superclass
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
899 // superinterface.method, which explicitly does not check shadowing
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
900
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
901 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
902
a61af66fc99e Initial load
duke
parents:
diff changeset
903 // check if method name is <init>, that it is found in same klass as static type
a61af66fc99e Initial load
duke
parents:
diff changeset
904 if (resolved_method->name() == vmSymbols::object_initializer_name() &&
a61af66fc99e Initial load
duke
parents:
diff changeset
905 resolved_method->method_holder() != resolved_klass()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
906 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
907 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
908 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
909 vmSymbols::java_lang_NoSuchMethodError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
910 "%s: method %s%s not found",
a61af66fc99e Initial load
duke
parents:
diff changeset
911 resolved_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
912 resolved_method->name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
913 resolved_method->signature()->as_C_string()
a61af66fc99e Initial load
duke
parents:
diff changeset
914 );
a61af66fc99e Initial load
duke
parents:
diff changeset
915 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
916 }
a61af66fc99e Initial load
duke
parents:
diff changeset
917
a61af66fc99e Initial load
duke
parents:
diff changeset
918 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
919 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
920 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
921 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
922 jio_snprintf(buf, sizeof(buf),
a61af66fc99e Initial load
duke
parents:
diff changeset
923 "Expecting non-static method %s",
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
924 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
925 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
926 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
927 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
928 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
929
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
930 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
931 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
932 tty->print("invokespecial resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
933 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
934 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
935 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
936 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
937 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
938 resolved_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
939 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
940 resolved_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
941 if (resolved_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
942 tty->print("default ");
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
943 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
944 if (resolved_method->is_overpass()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
945 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
946 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
947 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
948 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
949 }
a61af66fc99e Initial load
duke
parents:
diff changeset
950
a61af66fc99e Initial load
duke
parents:
diff changeset
951 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
952 void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
953 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
954
a61af66fc99e Initial load
duke
parents:
diff changeset
955 // resolved method is selected method unless we have an old-style lookup
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
956 // for a superclass method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
957 // Invokespecial for a superinterface, resolved method is selected method,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
958 // no checks for shadowing
0
a61af66fc99e Initial load
duke
parents:
diff changeset
959 methodHandle sel_method(THREAD, resolved_method());
a61af66fc99e Initial load
duke
parents:
diff changeset
960
a61af66fc99e Initial load
duke
parents:
diff changeset
961 // check if this is an old-style super call and do a new lookup if so
a61af66fc99e Initial load
duke
parents:
diff changeset
962 { KlassHandle method_klass = KlassHandle(THREAD,
a61af66fc99e Initial load
duke
parents:
diff changeset
963 resolved_method->method_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
964
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
965 if (check_access &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
966 // a) check if ACC_SUPER flag is set for the current class
8702
77443715ec55 8001307: Modify ACC_SUPER behavior
kamg
parents: 6822
diff changeset
967 (current_klass->is_super() || !AllowNonVirtualCalls) &&
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
968 // b) check if the class of the resolved_klass is a superclass
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
969 // (not supertype in order to exclude interface classes) of the current class.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
970 // This check is not performed for super.invoke for interface methods
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
971 // in super interfaces.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
972 current_klass->is_subclass_of(resolved_klass()) &&
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
973 current_klass() != resolved_klass() &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
974 // c) check if the method is not <init>
a61af66fc99e Initial load
duke
parents:
diff changeset
975 resolved_method->name() != vmSymbols::object_initializer_name()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
976 // Lookup super method
a61af66fc99e Initial load
duke
parents:
diff changeset
977 KlassHandle super_klass(THREAD, current_klass->super());
a61af66fc99e Initial load
duke
parents:
diff changeset
978 lookup_instance_method_in_klasses(sel_method, super_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
979 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
980 resolved_method->signature(), CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
981 // check if found
a61af66fc99e Initial load
duke
parents:
diff changeset
982 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
983 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
984 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
985 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
986 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
987 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
988 }
a61af66fc99e Initial load
duke
parents:
diff changeset
989 }
a61af66fc99e Initial load
duke
parents:
diff changeset
990 }
a61af66fc99e Initial load
duke
parents:
diff changeset
991
a61af66fc99e Initial load
duke
parents:
diff changeset
992 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
993 if (sel_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
994 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
995 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
996 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
997 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
998 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
999 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1000 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1001
a61af66fc99e Initial load
duke
parents:
diff changeset
1002 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1003 if (sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1004 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1005 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1006 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1007 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1008 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1009 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1010
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1011 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1012 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1013 tty->print("invokespecial selected method: resolved-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1014 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1015 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1016 sel_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1017 sel_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1018 sel_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1019 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1020 sel_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1021 if (sel_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1022 tty->print("default ");
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1023 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1024 if (sel_method->is_overpass()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1025 tty->print("overpass");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1026 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1027 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1028 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1029
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1030 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
1031 result.set_static(resolved_klass, sel_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1032 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1033
a61af66fc99e Initial load
duke
parents:
diff changeset
1034 void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1035 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1036 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1037 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1038 linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1039 runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1040 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1041
a61af66fc99e Initial load
duke
parents:
diff changeset
1042 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1043 void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1044 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1045 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1046 // normal method resolution
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
1047 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1048
a61af66fc99e Initial load
duke
parents:
diff changeset
1049 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1050 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1051
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1052 // check if private interface method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1053 if (resolved_klass->is_interface() && resolved_method->is_private()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1054 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1055 char buf[200];
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1056 jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokevirtual: method %s, caller-class:%s",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1057 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1058 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1059 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1060 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()));
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1061 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1062 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1063
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1064 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
1065 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
1066 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1067 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1068 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1069 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1070 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1071 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1072 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1073
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1074 if (PrintVtables && Verbose) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1075 ResourceMark rm(THREAD);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1076 tty->print("invokevirtual resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1077 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1078 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1079 Method::name_and_sig_as_C_string(resolved_klass(),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1080 resolved_method->name(),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1081 resolved_method->signature()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1082 resolved_method->method_holder()->internal_name()
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1083 );
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1084 resolved_method->access_flags().print_on(tty);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1085 if (resolved_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1086 tty->print("default ");
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1087 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1088 if (resolved_method->is_overpass()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1089 tty->print("overpass");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1090 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1091 tty->cr();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1092 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1093 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1094
a61af66fc99e Initial load
duke
parents:
diff changeset
1095 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1096 void LinkResolver::runtime_resolve_virtual_method(CallInfo& result,
a61af66fc99e Initial load
duke
parents:
diff changeset
1097 methodHandle resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
1098 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1099 Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
1100 KlassHandle recv_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1101 bool check_null_and_abstract,
a61af66fc99e Initial load
duke
parents:
diff changeset
1102 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1103
a61af66fc99e Initial load
duke
parents:
diff changeset
1104 // setup default return values
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1105 int vtable_index = Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1106 methodHandle selected_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1107
a61af66fc99e Initial load
duke
parents:
diff changeset
1108 assert(recv.is_null() || recv->is_oop(), "receiver is not an oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1109
a61af66fc99e Initial load
duke
parents:
diff changeset
1110 // runtime method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
1111 if (check_null_and_abstract && recv.is_null()) { // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1112 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1113 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1114
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1115 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1116 // has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since
a61af66fc99e Initial load
duke
parents:
diff changeset
1117 // a missing receiver might result in a bogus lookup.
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
1118 assert(resolved_method->method_holder()->is_linked(), "must be linked");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1119
a61af66fc99e Initial load
duke
parents:
diff changeset
1120 // do lookup based on receiver klass using the vtable index
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1121 if (resolved_method->method_holder()->is_interface()) { // miranda method
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1122 vtable_index = vtable_index_of_interface_method(resolved_klass,
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1123 resolved_method);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1124 assert(vtable_index >= 0 , "we should have valid vtable index at this point");
a61af66fc99e Initial load
duke
parents:
diff changeset
1125
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1126 InstanceKlass* inst = InstanceKlass::cast(recv_klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1127 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
1128 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1129 // at this point we are sure that resolved_method is virtual and not
a61af66fc99e Initial load
duke
parents:
diff changeset
1130 // a miranda method; therefore, it must have a valid vtable index.
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1131 assert(!resolved_method->has_itable_index(), "");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1132 vtable_index = resolved_method->vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1133 // We could get a negative vtable_index for final methods,
a61af66fc99e Initial load
duke
parents:
diff changeset
1134 // because as an optimization they are they are never put in the vtable,
a61af66fc99e Initial load
duke
parents:
diff changeset
1135 // unless they override an existing method.
a61af66fc99e Initial load
duke
parents:
diff changeset
1136 // If we do get a negative, it means the resolved method is the the selected
a61af66fc99e Initial load
duke
parents:
diff changeset
1137 // method, and it can never be changed by an override.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1138 if (vtable_index == Method::nonvirtual_vtable_index) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1139 assert(resolved_method->can_be_statically_bound(), "cannot override this method");
a61af66fc99e Initial load
duke
parents:
diff changeset
1140 selected_method = resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1141 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1142 // recv_klass might be an arrayKlassOop but all vtables start at
a61af66fc99e Initial load
duke
parents:
diff changeset
1143 // the same place. The cast is to avoid virtual call and assertion.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1144 InstanceKlass* inst = (InstanceKlass*)recv_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1145 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
1146 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1147 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1148
a61af66fc99e Initial load
duke
parents:
diff changeset
1149 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1150 if (selected_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1151 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1152 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1153 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1154 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1155 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1156 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1157
a61af66fc99e Initial load
duke
parents:
diff changeset
1158 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1159 if (check_null_and_abstract && selected_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1160 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1161 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1162 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1163 selected_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1164 selected_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1165 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1166
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1167 if (PrintVtables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1168 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1169 tty->print("invokevirtual selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, vtable_index:%d, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1170 (recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1171 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1172 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1173 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1174 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1175 selected_method->method_holder()->internal_name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1176 vtable_index
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1177 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1178 selected_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1179 if (selected_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1180 tty->print("default ");
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1181 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1182 if (selected_method->is_overpass()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1183 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1184 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1185 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1186 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1187 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
1188 result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1189 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1190
a61af66fc99e Initial load
duke
parents:
diff changeset
1191 void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1192 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1193 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1194 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1195 linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1196 runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1197 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1198
a61af66fc99e Initial load
duke
parents:
diff changeset
1199 // throws linktime exceptions
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1200 void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1201 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1202 // normal interface method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
1203 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1204
a61af66fc99e Initial load
duke
parents:
diff changeset
1205 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1206 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1207 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1208
a61af66fc99e Initial load
duke
parents:
diff changeset
1209 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1210 void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1211 Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1212 // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1213 if (check_null_and_abstract && recv.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1214 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1215 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1216
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1217 // check if private interface method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1218 if (resolved_klass->is_interface() && resolved_method->is_private()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1219 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1220 char buf[200];
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1221 jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokeinterface: method %s",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1222 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1223 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1224 resolved_method->signature()));
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1225 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1226 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1227
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1228 // check if receiver klass implements the resolved interface
a61af66fc99e Initial load
duke
parents:
diff changeset
1229 if (!recv_klass->is_subtype_of(resolved_klass())) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
1230 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1231 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
1232 jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s",
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1233 recv_klass()->external_name(),
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1234 resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1235 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1236 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1237 // do lookup based on receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1238 methodHandle sel_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1239 lookup_instance_method_in_klasses(sel_method, recv_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1240 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1241 resolved_method->signature(), CHECK);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1242 if (sel_method.is_null() && !check_null_and_abstract) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1243 // In theory this is a harmless placeholder value, but
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1244 // in practice leaving in null affects the nsk default method tests.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1245 // This needs further study.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1246 sel_method = resolved_method;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1247 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1248 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1249 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1250 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1251 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1252 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1253 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1254 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1255 }
10128
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1256 // check access
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1257 // Throw Illegal Access Error if sel_method is not public.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1258 if (!sel_method->is_public()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1259 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1260 THROW_MSG(vmSymbols::java_lang_IllegalAccessError(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1261 Method::name_and_sig_as_C_string(recv_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1262 sel_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1263 sel_method->signature()));
10128
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1264 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1265 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1266 if (check_null_and_abstract && sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1267 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1268 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1269 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1270 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1271 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1272 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1273
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1274 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1275 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1276 tty->print("invokeinterface selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1277 (recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1278 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1279 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1280 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1281 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1282 sel_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1283 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1284 sel_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1285 if (sel_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1286 tty->print("default ");
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1287 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1288 if (sel_method->is_overpass()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1289 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1290 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1291 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1292 }
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1293 // setup result
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1294 if (!resolved_method->has_itable_index()) {
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1295 int vtable_index = resolved_method->vtable_index();
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1296 assert(vtable_index == sel_method->vtable_index(), "sanity check");
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1297 result.set_virtual(resolved_klass, recv_klass, resolved_method, sel_method, vtable_index, CHECK);
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1298 } else {
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1299 int itable_index = resolved_method()->itable_index();
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1300 result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, itable_index, CHECK);
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1301 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1302 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1303
a61af66fc99e Initial load
duke
parents:
diff changeset
1304
a61af66fc99e Initial load
duke
parents:
diff changeset
1305 methodHandle LinkResolver::linktime_resolve_interface_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1306 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1307 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1308 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1309 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1310 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1311 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1312 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1313 linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1314 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1315 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1316 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1317 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1318 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1319 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1320 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1321
a61af66fc99e Initial load
duke
parents:
diff changeset
1322 methodHandle LinkResolver::linktime_resolve_virtual_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1323 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1324 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1325 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1326 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1327 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1328 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1329 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1330 linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1331 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1332 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1333 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1334 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1335 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1336 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1337 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1338
a61af66fc99e Initial load
duke
parents:
diff changeset
1339 methodHandle LinkResolver::resolve_virtual_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1340 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1341 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1342 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1343 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1344 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1345 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1346 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1347 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1348 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1349 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1350 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1351 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1352 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1353 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1354
a61af66fc99e Initial load
duke
parents:
diff changeset
1355 methodHandle LinkResolver::resolve_interface_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1356 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1357 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1358 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1359 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1360 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1361 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1362 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1363 resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1364 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1365 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1366 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1367 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1368 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1369 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1370
a61af66fc99e Initial load
duke
parents:
diff changeset
1371 int LinkResolver::resolve_virtual_vtable_index(
a61af66fc99e Initial load
duke
parents:
diff changeset
1372 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1373 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1374 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1375 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1376 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1377 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1378 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1379 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1380 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1381 CLEAR_PENDING_EXCEPTION;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1382 return Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1383 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1384 return info.vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1385 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1386
a61af66fc99e Initial load
duke
parents:
diff changeset
1387 methodHandle LinkResolver::resolve_static_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1388 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1389 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1390 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1391 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1392 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1393 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1394 resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1395 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1396 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1397 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1398 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1399 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1400 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1401
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1402 methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1403 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1404 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1405 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1406 resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1407 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1408 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1409 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1410 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1411 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1412 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1413
a61af66fc99e Initial load
duke
parents:
diff changeset
1414
a61af66fc99e Initial load
duke
parents:
diff changeset
1415
a61af66fc99e Initial load
duke
parents:
diff changeset
1416 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1417 // ConstantPool entries
a61af66fc99e Initial load
duke
parents:
diff changeset
1418
a61af66fc99e Initial load
duke
parents:
diff changeset
1419 void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1420 switch (byte) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1421 case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1422 case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1423 case Bytecodes::_invokevirtual : resolve_invokevirtual (result, recv, pool, index, CHECK); break;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1424 case Bytecodes::_invokehandle : resolve_invokehandle (result, pool, index, CHECK); break;
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1425 case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1426 case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1427 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1428 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
1429 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1430
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1431 void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1432 KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1433 // resolve klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1434 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1435
a61af66fc99e Initial load
duke
parents:
diff changeset
1436 // Get name, signature, and static klass
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1437 method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1438 method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1439 current_klass = KlassHandle(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
1440 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1441
a61af66fc99e Initial load
duke
parents:
diff changeset
1442
a61af66fc99e Initial load
duke
parents:
diff changeset
1443 void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1444 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1445 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1446 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1447 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1448 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1449 resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1450 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1451
a61af66fc99e Initial load
duke
parents:
diff changeset
1452
a61af66fc99e Initial load
duke
parents:
diff changeset
1453 void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1454 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1455 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1456 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1457 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1458 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1459 resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1460 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1461
a61af66fc99e Initial load
duke
parents:
diff changeset
1462
a61af66fc99e Initial load
duke
parents:
diff changeset
1463 void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
1464 constantPoolHandle pool, int index,
a61af66fc99e Initial load
duke
parents:
diff changeset
1465 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1466
a61af66fc99e Initial load
duke
parents:
diff changeset
1467 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1468 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1469 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1470 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1471 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1472 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1473 resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1474 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1475
a61af66fc99e Initial load
duke
parents:
diff changeset
1476
a61af66fc99e Initial load
duke
parents:
diff changeset
1477 void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1478 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1479 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1480 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1481 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1482 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1483 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1484 resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1485 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1486
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1487
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1488 void LinkResolver::resolve_invokehandle(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1489 assert(EnableInvokeDynamic, "");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1490 // This guy is reached from InterpreterRuntime::resolve_invokehandle.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1491 KlassHandle resolved_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1492 Symbol* method_name = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1493 Symbol* method_signature = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1494 KlassHandle current_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1495 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1496 if (TraceMethodHandles) {
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1497 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1498 tty->print_cr("resolve_invokehandle %s %s", method_name->as_C_string(), method_signature->as_C_string());
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1499 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1500 resolve_handle_call(result, resolved_klass, method_name, method_signature, current_klass, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1501 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1502
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1503 void LinkResolver::resolve_handle_call(CallInfo& result, KlassHandle resolved_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1504 Symbol* method_name, Symbol* method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1505 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1506 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1507 // JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) or similar
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1508 assert(resolved_klass() == SystemDictionary::MethodHandle_klass(), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1509 assert(MethodHandles::is_signature_polymorphic_name(method_name), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1510 methodHandle resolved_method;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1511 Handle resolved_appendix;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1512 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1513 lookup_polymorphic_method(resolved_method, resolved_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1514 method_name, method_signature,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1515 current_klass, &resolved_appendix, &resolved_method_type, CHECK);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1516 result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1517 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1518
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1519
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1520 void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1521 assert(EnableInvokeDynamic, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1522
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1523 //resolve_pool(<resolved_klass>, method_name, method_signature, current_klass, pool, index, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1524 Symbol* method_name = pool->name_ref_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1525 Symbol* method_signature = pool->signature_ref_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1526 KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder());
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1527
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1528 // Resolve the bootstrap specifier (BSM + optional arguments).
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1529 Handle bootstrap_specifier;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1530 // Check if CallSite has been bound already:
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1531 ConstantPoolCacheEntry* cpce = pool->invokedynamic_cp_cache_entry_at(index);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1532 if (cpce->is_f1_null()) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1533 int pool_index = cpce->constant_pool_index();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1534 oop bsm_info = pool->resolve_bootstrap_specifier_at(pool_index, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1535 assert(bsm_info != NULL, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1536 // FIXME: Cache this once per BootstrapMethods entry, not once per CONSTANT_InvokeDynamic.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1537 bootstrap_specifier = Handle(THREAD, bsm_info);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1538 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1539 if (!cpce->is_f1_null()) {
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1540 methodHandle method( THREAD, cpce->f1_as_method());
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1541 Handle appendix( THREAD, cpce->appendix_if_resolved(pool));
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1542 Handle method_type(THREAD, cpce->method_type_if_resolved(pool));
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1543 result.set_handle(method, appendix, method_type, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1544 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1545 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1546
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1547 if (TraceMethodHandles) {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1548 ResourceMark rm(THREAD);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1549 tty->print_cr("resolve_invokedynamic #%d %s %s",
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1550 ConstantPool::decode_invokedynamic_index(index),
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1551 method_name->as_C_string(), method_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1552 tty->print(" BSM info: "); bootstrap_specifier->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1553 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1554
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1555 resolve_dynamic_call(result, bootstrap_specifier, method_name, method_signature, current_klass, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1556 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1557
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1558 void LinkResolver::resolve_dynamic_call(CallInfo& result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1559 Handle bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1560 Symbol* method_name, Symbol* method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1561 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1562 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1563 // JSR 292: this must resolve to an implicitly generated method MH.linkToCallSite(*...)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1564 // The appendix argument is likely to be a freshly-created CallSite.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1565 Handle resolved_appendix;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1566 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1567 methodHandle resolved_method =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1568 SystemDictionary::find_dynamic_call_site_invoker(current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1569 bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1570 method_name, method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1571 &resolved_appendix,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1572 &resolved_method_type,
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1573 THREAD);
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1574 if (HAS_PENDING_EXCEPTION) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1575 if (TraceMethodHandles) {
12316
190899198332 7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents: 12264
diff changeset
1576 tty->print_cr("invokedynamic throws BSME for "INTPTR_FORMAT, (void *)PENDING_EXCEPTION);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1577 PENDING_EXCEPTION->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1578 }
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1579 if (PENDING_EXCEPTION->is_a(SystemDictionary::BootstrapMethodError_klass())) {
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1580 // throw these guys, since they are already wrapped
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1581 return;
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1582 }
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1583 if (!PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1584 // intercept only LinkageErrors which might have failed to wrap
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1585 return;
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1586 }
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1587 // See the "Linking Exceptions" section for the invokedynamic instruction in the JVMS.
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1588 Handle nested_exception(THREAD, PENDING_EXCEPTION);
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1589 CLEAR_PENDING_EXCEPTION;
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1590 THROW_CAUSE(vmSymbols::java_lang_BootstrapMethodError(), nested_exception)
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1591 }
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1592 result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK);
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1593 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1594
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1595 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1596 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
1597
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1598 void CallInfo::print() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1599 ResourceMark rm;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1600 const char* kindstr = "unknown";
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1601 switch (_call_kind) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1602 case direct_call: kindstr = "direct"; break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1603 case vtable_call: kindstr = "vtable"; break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1604 case itable_call: kindstr = "itable"; break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1605 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1606 tty->print_cr("Call %s@%d %s", kindstr, _call_index,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1607 _resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1608 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1609
a61af66fc99e Initial load
duke
parents:
diff changeset
1610 #endif