Mercurial > hg > truffle

annotate src/share/vm/ci/ciInstanceKlass.cpp @ 12355:cefad50507d8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge with hs25-b53
author Gilles Duboscq <duboscq@ssw.jku.at>
date Fri, 11 Oct 2013 10:38:03 +0200
parents 836a62f43af9 b2e698d2276c
children 096c224171c4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10278
diff changeset
2 * Copyright (c) 1999, 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: 1142
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1142
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: 1142
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: 1924
diff changeset
25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1924
diff changeset
26 #include "ci/ciField.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1924
diff changeset
27 #include "ci/ciInstance.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1924
diff changeset
28 #include "ci/ciInstanceKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1924
diff changeset
29 #include "ci/ciUtilities.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1924
diff changeset
30 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1924
diff changeset
31 #include "memory/allocation.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1924
diff changeset
32 #include "memory/allocation.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1924
diff changeset
33 #include "oops/oop.inline.hpp"
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
34 #include "oops/fieldStreams.hpp"
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1924
diff changeset
35 #include "runtime/fieldDescriptor.hpp"
0
a61af66fc99e Initial load
duke
parents:
diff changeset
36
a61af66fc99e Initial load
duke
parents:
diff changeset
37 // ciInstanceKlass
a61af66fc99e Initial load
duke
parents:
diff changeset
38 //
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
39 // This class represents a Klass* in the HotSpot virtual machine
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
40 // whose Klass part in an InstanceKlass.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
41
a61af66fc99e Initial load
duke
parents:
diff changeset
42 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
43 // ciInstanceKlass::ciInstanceKlass
a61af66fc99e Initial load
duke
parents:
diff changeset
44 //
a61af66fc99e Initial load
duke
parents:
diff changeset
45 // Loaded instance klass.
44
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
46 ciInstanceKlass::ciInstanceKlass(KlassHandle h_k) :
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
47 ciKlass(h_k), _non_static_fields(NULL)
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
48 {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
49 assert(get_Klass()->oop_is_instance(), "wrong type");
2244
4f26f535a225 6354181: nsk.logging.stress.threads.scmhml001 fails assertion in "src/share/vm/oops/instanceKlass.cpp, 111"
never
parents: 2177
diff changeset
50 assert(get_instanceKlass()->is_loaded(), "must be at least loaded");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
51 InstanceKlass* ik = get_instanceKlass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
52
a61af66fc99e Initial load
duke
parents:
diff changeset
53 AccessFlags access_flags = ik->access_flags();
a61af66fc99e Initial load
duke
parents:
diff changeset
54 _flags = ciFlags(access_flags);
a61af66fc99e Initial load
duke
parents:
diff changeset
55 _has_finalizer = access_flags.has_finalizer();
a61af66fc99e Initial load
duke
parents:
diff changeset
56 _has_subklass = ik->subklass() != NULL;
4739
52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type
coleenp
parents: 3938
diff changeset
57 _init_state = ik->init_state();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
58 _nonstatic_field_size = ik->nonstatic_field_size();
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
59 _has_nonstatic_fields = ik->has_nonstatic_fields();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
60 _nonstatic_fields = NULL; // initialized lazily by compute_nonstatic_fields:
a61af66fc99e Initial load
duke
parents:
diff changeset
61
5998
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 4739
diff changeset
62 _implementor = NULL; // we will fill these lazily
0
a61af66fc99e Initial load
duke
parents:
diff changeset
63
a61af66fc99e Initial load
duke
parents:
diff changeset
64 Thread *thread = Thread::current();
a61af66fc99e Initial load
duke
parents:
diff changeset
65 if (ciObjectFactory::is_initialized()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
66 _loader = JNIHandles::make_local(thread, ik->class_loader());
a61af66fc99e Initial load
duke
parents:
diff changeset
67 _protection_domain = JNIHandles::make_local(thread,
a61af66fc99e Initial load
duke
parents:
diff changeset
68 ik->protection_domain());
a61af66fc99e Initial load
duke
parents:
diff changeset
69 _is_shared = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
70 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
71 Handle h_loader(thread, ik->class_loader());
a61af66fc99e Initial load
duke
parents:
diff changeset
72 Handle h_protection_domain(thread, ik->protection_domain());
a61af66fc99e Initial load
duke
parents:
diff changeset
73 _loader = JNIHandles::make_global(h_loader);
a61af66fc99e Initial load
duke
parents:
diff changeset
74 _protection_domain = JNIHandles::make_global(h_protection_domain);
a61af66fc99e Initial load
duke
parents:
diff changeset
75 _is_shared = true;
a61af66fc99e Initial load
duke
parents:
diff changeset
76 }
a61af66fc99e Initial load
duke
parents:
diff changeset
77
a61af66fc99e Initial load
duke
parents:
diff changeset
78 // Lazy fields get filled in only upon request.
a61af66fc99e Initial load
duke
parents:
diff changeset
79 _super = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
80 _java_mirror = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
81
a61af66fc99e Initial load
duke
parents:
diff changeset
82 if (is_shared()) {
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1138
diff changeset
83 if (h_k() != SystemDictionary::Object_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
84 super();
a61af66fc99e Initial load
duke
parents:
diff changeset
85 }
a61af66fc99e Initial load
duke
parents:
diff changeset
86 //compute_nonstatic_fields(); // done outside of constructor
a61af66fc99e Initial load
duke
parents:
diff changeset
87 }
a61af66fc99e Initial load
duke
parents:
diff changeset
88
a61af66fc99e Initial load
duke
parents:
diff changeset
89 _field_cache = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
90 }
a61af66fc99e Initial load
duke
parents:
diff changeset
91
a61af66fc99e Initial load
duke
parents:
diff changeset
92 // Version for unloaded classes:
a61af66fc99e Initial load
duke
parents:
diff changeset
93 ciInstanceKlass::ciInstanceKlass(ciSymbol* name,
a61af66fc99e Initial load
duke
parents:
diff changeset
94 jobject loader, jobject protection_domain)
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
95 : ciKlass(name, T_OBJECT)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
96 {
a61af66fc99e Initial load
duke
parents:
diff changeset
97 assert(name->byte_at(0) != '[', "not an instance klass");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
98 _init_state = (InstanceKlass::ClassState)0;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
99 _nonstatic_field_size = -1;
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
100 _has_nonstatic_fields = false;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
101 _nonstatic_fields = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
102 _loader = loader;
a61af66fc99e Initial load
duke
parents:
diff changeset
103 _protection_domain = protection_domain;
a61af66fc99e Initial load
duke
parents:
diff changeset
104 _is_shared = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
105 _super = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
106 _java_mirror = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
107 _field_cache = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
108 }
a61af66fc99e Initial load
duke
parents:
diff changeset
109
a61af66fc99e Initial load
duke
parents:
diff changeset
110
a61af66fc99e Initial load
duke
parents:
diff changeset
111
a61af66fc99e Initial load
duke
parents:
diff changeset
112 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
113 // ciInstanceKlass::compute_shared_is_initialized
1645
3941674cc7fa 6958668: repeated uncommon trapping for new of klass which is being initialized
never
parents: 1604
diff changeset
114 void ciInstanceKlass::compute_shared_init_state() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
115 GUARDED_VM_ENTRY(
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
116 InstanceKlass* ik = get_instanceKlass();
4739
52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type
coleenp
parents: 3938
diff changeset
117 _init_state = ik->init_state();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
118 )
a61af66fc99e Initial load
duke
parents:
diff changeset
119 }
a61af66fc99e Initial load
duke
parents:
diff changeset
120
a61af66fc99e Initial load
duke
parents:
diff changeset
121 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
122 // ciInstanceKlass::compute_shared_has_subklass
a61af66fc99e Initial load
duke
parents:
diff changeset
123 bool ciInstanceKlass::compute_shared_has_subklass() {
a61af66fc99e Initial load
duke
parents:
diff changeset
124 GUARDED_VM_ENTRY(
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
125 InstanceKlass* ik = get_instanceKlass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
126 _has_subklass = ik->subklass() != NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
127 return _has_subklass;
a61af66fc99e Initial load
duke
parents:
diff changeset
128 )
a61af66fc99e Initial load
duke
parents:
diff changeset
129 }
a61af66fc99e Initial load
duke
parents:
diff changeset
130
a61af66fc99e Initial load
duke
parents:
diff changeset
131 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
132 // ciInstanceKlass::loader
a61af66fc99e Initial load
duke
parents:
diff changeset
133 oop ciInstanceKlass::loader() {
a61af66fc99e Initial load
duke
parents:
diff changeset
134 ASSERT_IN_VM;
a61af66fc99e Initial load
duke
parents:
diff changeset
135 return JNIHandles::resolve(_loader);
a61af66fc99e Initial load
duke
parents:
diff changeset
136 }
a61af66fc99e Initial load
duke
parents:
diff changeset
137
a61af66fc99e Initial load
duke
parents:
diff changeset
138 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
139 // ciInstanceKlass::loader_handle
a61af66fc99e Initial load
duke
parents:
diff changeset
140 jobject ciInstanceKlass::loader_handle() {
a61af66fc99e Initial load
duke
parents:
diff changeset
141 return _loader;
a61af66fc99e Initial load
duke
parents:
diff changeset
142 }
a61af66fc99e Initial load
duke
parents:
diff changeset
143
a61af66fc99e Initial load
duke
parents:
diff changeset
144 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
145 // ciInstanceKlass::protection_domain
a61af66fc99e Initial load
duke
parents:
diff changeset
146 oop ciInstanceKlass::protection_domain() {
a61af66fc99e Initial load
duke
parents:
diff changeset
147 ASSERT_IN_VM;
a61af66fc99e Initial load
duke
parents:
diff changeset
148 return JNIHandles::resolve(_protection_domain);
a61af66fc99e Initial load
duke
parents:
diff changeset
149 }
a61af66fc99e Initial load
duke
parents:
diff changeset
150
a61af66fc99e Initial load
duke
parents:
diff changeset
151 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
152 // ciInstanceKlass::protection_domain_handle
a61af66fc99e Initial load
duke
parents:
diff changeset
153 jobject ciInstanceKlass::protection_domain_handle() {
a61af66fc99e Initial load
duke
parents:
diff changeset
154 return _protection_domain;
a61af66fc99e Initial load
duke
parents:
diff changeset
155 }
a61af66fc99e Initial load
duke
parents:
diff changeset
156
a61af66fc99e Initial load
duke
parents:
diff changeset
157 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
158 // ciInstanceKlass::field_cache
a61af66fc99e Initial load
duke
parents:
diff changeset
159 //
a61af66fc99e Initial load
duke
parents:
diff changeset
160 // Get the field cache associated with this klass.
a61af66fc99e Initial load
duke
parents:
diff changeset
161 ciConstantPoolCache* ciInstanceKlass::field_cache() {
a61af66fc99e Initial load
duke
parents:
diff changeset
162 if (is_shared()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
163 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
164 }
a61af66fc99e Initial load
duke
parents:
diff changeset
165 if (_field_cache == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
166 assert(!is_java_lang_Object(), "Object has no fields");
a61af66fc99e Initial load
duke
parents:
diff changeset
167 Arena* arena = CURRENT_ENV->arena();
a61af66fc99e Initial load
duke
parents:
diff changeset
168 _field_cache = new (arena) ciConstantPoolCache(arena, 5);
a61af66fc99e Initial load
duke
parents:
diff changeset
169 }
a61af66fc99e Initial load
duke
parents:
diff changeset
170 return _field_cache;
a61af66fc99e Initial load
duke
parents:
diff changeset
171 }
a61af66fc99e Initial load
duke
parents:
diff changeset
172
a61af66fc99e Initial load
duke
parents:
diff changeset
173 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
174 // ciInstanceKlass::get_canonical_holder
a61af66fc99e Initial load
duke
parents:
diff changeset
175 //
a61af66fc99e Initial load
duke
parents:
diff changeset
176 ciInstanceKlass* ciInstanceKlass::get_canonical_holder(int offset) {
a61af66fc99e Initial load
duke
parents:
diff changeset
177 #ifdef ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
178 if (!(offset >= 0 && offset < layout_helper())) {
a61af66fc99e Initial load
duke
parents:
diff changeset
179 tty->print("*** get_canonical_holder(%d) on ", offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
180 this->print();
a61af66fc99e Initial load
duke
parents:
diff changeset
181 tty->print_cr(" ***");
a61af66fc99e Initial load
duke
parents:
diff changeset
182 };
a61af66fc99e Initial load
duke
parents:
diff changeset
183 assert(offset >= 0 && offset < layout_helper(), "offset must be tame");
a61af66fc99e Initial load
duke
parents:
diff changeset
184 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
185
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
186 if (offset < instanceOopDesc::base_offset_in_bytes()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
187 // All header offsets belong properly to java/lang/Object.
a61af66fc99e Initial load
duke
parents:
diff changeset
188 return CURRENT_ENV->Object_klass();
a61af66fc99e Initial load
duke
parents:
diff changeset
189 }
a61af66fc99e Initial load
duke
parents:
diff changeset
190
a61af66fc99e Initial load
duke
parents:
diff changeset
191 ciInstanceKlass* self = this;
a61af66fc99e Initial load
duke
parents:
diff changeset
192 for (;;) {
a61af66fc99e Initial load
duke
parents:
diff changeset
193 assert(self->is_loaded(), "must be loaded to have size");
a61af66fc99e Initial load
duke
parents:
diff changeset
194 ciInstanceKlass* super = self->super();
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
195 if (super == NULL || super->nof_nonstatic_fields() == 0 ||
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
196 !super->contains_field_offset(offset)) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
197 return self;
a61af66fc99e Initial load
duke
parents:
diff changeset
198 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
199 self = super; // return super->get_canonical_holder(offset)
a61af66fc99e Initial load
duke
parents:
diff changeset
200 }
a61af66fc99e Initial load
duke
parents:
diff changeset
201 }
a61af66fc99e Initial load
duke
parents:
diff changeset
202 }
a61af66fc99e Initial load
duke
parents:
diff changeset
203
a61af66fc99e Initial load
duke
parents:
diff changeset
204 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
205 // ciInstanceKlass::is_java_lang_Object
a61af66fc99e Initial load
duke
parents:
diff changeset
206 //
a61af66fc99e Initial load
duke
parents:
diff changeset
207 // Is this klass java.lang.Object?
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
208 bool ciInstanceKlass::is_java_lang_Object() const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
209 return equals(CURRENT_ENV->Object_klass());
a61af66fc99e Initial load
duke
parents:
diff changeset
210 }
a61af66fc99e Initial load
duke
parents:
diff changeset
211
a61af66fc99e Initial load
duke
parents:
diff changeset
212 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
213 // ciInstanceKlass::uses_default_loader
10278
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
214 bool ciInstanceKlass::uses_default_loader() const {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
215 // Note: We do not need to resolve the handle or enter the VM
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
216 // in order to test null-ness.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
217 return _loader == NULL;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
218 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
219
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
220 // ------------------------------------------------------------------
10278
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
221
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
222 /**
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
223 * Return basic type of boxed value for box klass or T_OBJECT if not.
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
224 */
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
225 BasicType ciInstanceKlass::box_klass_type() const {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
226 if (uses_default_loader() && is_loaded()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
227 return SystemDictionary::box_klass_type(get_Klass());
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
228 } else {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
229 return T_OBJECT;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
230 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
231 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
232
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
233 /**
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
234 * Is this boxing klass?
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
235 */
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
236 bool ciInstanceKlass::is_box_klass() const {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
237 return is_java_primitive(box_klass_type());
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
238 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
239
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
240 /**
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
241 * Is this boxed value offset?
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
242 */
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
243 bool ciInstanceKlass::is_boxed_value_offset(int offset) const {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
244 BasicType bt = box_klass_type();
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
245 return is_java_primitive(bt) &&
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
246 (offset == java_lang_boxing_object::value_offset_in_bytes(bt));
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
247 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
248
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 7990
diff changeset
249 // ------------------------------------------------------------------
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
250 // ciInstanceKlass::is_in_package
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
251 //
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
252 // Is this klass in the given package?
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
253 bool ciInstanceKlass::is_in_package(const char* packagename, int len) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
254 // To avoid class loader mischief, this test always rejects application classes.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
255 if (!uses_default_loader())
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
256 return false;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
257 GUARDED_VM_ENTRY(
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
258 return is_in_package_impl(packagename, len);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
259 )
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
260 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
261
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
262 bool ciInstanceKlass::is_in_package_impl(const char* packagename, int len) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
263 ASSERT_IN_VM;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
264
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
265 // If packagename contains trailing '/' exclude it from the
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
266 // prefix-test since we test for it explicitly.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
267 if (packagename[len - 1] == '/')
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
268 len--;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
269
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
270 if (!name()->starts_with(packagename, len))
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
271 return false;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
272
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
273 // Test if the class name is something like "java/lang".
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
274 if ((len + 1) > name()->utf8_length())
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
275 return false;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
276
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
277 // Test for trailing '/'
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
278 if ((char) name()->byte_at(len) != '/')
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
279 return false;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
280
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
281 // Make sure it's not actually in a subpackage:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
282 if (name()->index_of_at(len+1, "/", 1) >= 0)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
283 return false;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
284
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1080
diff changeset
285 return true;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
286 }
a61af66fc99e Initial load
duke
parents:
diff changeset
287
a61af66fc99e Initial load
duke
parents:
diff changeset
288 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
289 // ciInstanceKlass::print_impl
a61af66fc99e Initial load
duke
parents:
diff changeset
290 //
a61af66fc99e Initial load
duke
parents:
diff changeset
291 // Implementation of the print method.
a61af66fc99e Initial load
duke
parents:
diff changeset
292 void ciInstanceKlass::print_impl(outputStream* st) {
a61af66fc99e Initial load
duke
parents:
diff changeset
293 ciKlass::print_impl(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
294 GUARDED_VM_ENTRY(st->print(" loader=0x%x", (address)loader());)
a61af66fc99e Initial load
duke
parents:
diff changeset
295 if (is_loaded()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
296 st->print(" loaded=true initialized=%s finalized=%s subklass=%s size=%d flags=",
a61af66fc99e Initial load
duke
parents:
diff changeset
297 bool_to_str(is_initialized()),
a61af66fc99e Initial load
duke
parents:
diff changeset
298 bool_to_str(has_finalizer()),
a61af66fc99e Initial load
duke
parents:
diff changeset
299 bool_to_str(has_subklass()),
a61af66fc99e Initial load
duke
parents:
diff changeset
300 layout_helper());
a61af66fc99e Initial load
duke
parents:
diff changeset
301
a61af66fc99e Initial load
duke
parents:
diff changeset
302 _flags.print_klass_flags();
a61af66fc99e Initial load
duke
parents:
diff changeset
303
a61af66fc99e Initial load
duke
parents:
diff changeset
304 if (_super) {
a61af66fc99e Initial load
duke
parents:
diff changeset
305 st->print(" super=");
a61af66fc99e Initial load
duke
parents:
diff changeset
306 _super->print_name();
a61af66fc99e Initial load
duke
parents:
diff changeset
307 }
a61af66fc99e Initial load
duke
parents:
diff changeset
308 if (_java_mirror) {
a61af66fc99e Initial load
duke
parents:
diff changeset
309 st->print(" mirror=PRESENT");
a61af66fc99e Initial load
duke
parents:
diff changeset
310 }
a61af66fc99e Initial load
duke
parents:
diff changeset
311 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
312 st->print(" loaded=false");
a61af66fc99e Initial load
duke
parents:
diff changeset
313 }
a61af66fc99e Initial load
duke
parents:
diff changeset
314 }
a61af66fc99e Initial load
duke
parents:
diff changeset
315
a61af66fc99e Initial load
duke
parents:
diff changeset
316 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
317 // ciInstanceKlass::super
a61af66fc99e Initial load
duke
parents:
diff changeset
318 //
a61af66fc99e Initial load
duke
parents:
diff changeset
319 // Get the superklass of this klass.
a61af66fc99e Initial load
duke
parents:
diff changeset
320 ciInstanceKlass* ciInstanceKlass::super() {
a61af66fc99e Initial load
duke
parents:
diff changeset
321 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load
duke
parents:
diff changeset
322 if (_super == NULL && !is_java_lang_Object()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
323 GUARDED_VM_ENTRY(
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
324 Klass* super_klass = get_instanceKlass()->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
325 _super = CURRENT_ENV->get_instance_klass(super_klass);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
326 )
a61af66fc99e Initial load
duke
parents:
diff changeset
327 }
a61af66fc99e Initial load
duke
parents:
diff changeset
328 return _super;
a61af66fc99e Initial load
duke
parents:
diff changeset
329 }
a61af66fc99e Initial load
duke
parents:
diff changeset
330
a61af66fc99e Initial load
duke
parents:
diff changeset
331 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
332 // ciInstanceKlass::java_mirror
a61af66fc99e Initial load
duke
parents:
diff changeset
333 //
a61af66fc99e Initial load
duke
parents:
diff changeset
334 // Get the instance of java.lang.Class corresponding to this klass.
1604
b918d354830a 6960865: ldc of unloaded class throws an assert in ciTypeFlow
jrose
parents: 1602
diff changeset
335 // Cache it on this->_java_mirror.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
336 ciInstance* ciInstanceKlass::java_mirror() {
2376
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2244
diff changeset
337 if (is_shared()) {
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2244
diff changeset
338 return ciKlass::java_mirror();
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 2244
diff changeset
339 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
340 if (_java_mirror == NULL) {
1604
b918d354830a 6960865: ldc of unloaded class throws an assert in ciTypeFlow
jrose
parents: 1602
diff changeset
341 _java_mirror = ciKlass::java_mirror();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
342 }
a61af66fc99e Initial load
duke
parents:
diff changeset
343 return _java_mirror;
a61af66fc99e Initial load
duke
parents:
diff changeset
344 }
a61af66fc99e Initial load
duke
parents:
diff changeset
345
a61af66fc99e Initial load
duke
parents:
diff changeset
346 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
347 // ciInstanceKlass::unique_concrete_subklass
a61af66fc99e Initial load
duke
parents:
diff changeset
348 ciInstanceKlass* ciInstanceKlass::unique_concrete_subklass() {
a61af66fc99e Initial load
duke
parents:
diff changeset
349 if (!is_loaded()) return NULL; // No change if class is not loaded
a61af66fc99e Initial load
duke
parents:
diff changeset
350 if (!is_abstract()) return NULL; // Only applies to abstract classes.
a61af66fc99e Initial load
duke
parents:
diff changeset
351 if (!has_subklass()) return NULL; // Must have at least one subklass.
a61af66fc99e Initial load
duke
parents:
diff changeset
352 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
353 InstanceKlass* ik = get_instanceKlass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
354 Klass* up = ik->up_cast_abstract();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
355 assert(up->oop_is_instance(), "must be InstanceKlass");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
356 if (ik == up) {
a61af66fc99e Initial load
duke
parents:
diff changeset
357 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
358 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
359 return CURRENT_THREAD_ENV->get_instance_klass(up);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
360 }
a61af66fc99e Initial load
duke
parents:
diff changeset
361
a61af66fc99e Initial load
duke
parents:
diff changeset
362 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
363 // ciInstanceKlass::has_finalizable_subclass
a61af66fc99e Initial load
duke
parents:
diff changeset
364 bool ciInstanceKlass::has_finalizable_subclass() {
a61af66fc99e Initial load
duke
parents:
diff changeset
365 if (!is_loaded()) return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
366 VM_ENTRY_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
367 return Dependencies::find_finalizable_subclass(get_instanceKlass()) != NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
368 }
a61af66fc99e Initial load
duke
parents:
diff changeset
369
a61af66fc99e Initial load
duke
parents:
diff changeset
370 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
371 // ciInstanceKlass::get_field_by_offset
a61af66fc99e Initial load
duke
parents:
diff changeset
372 ciField* ciInstanceKlass::get_field_by_offset(int field_offset, bool is_static) {
a61af66fc99e Initial load
duke
parents:
diff changeset
373 if (!is_static) {
a61af66fc99e Initial load
duke
parents:
diff changeset
374 for (int i = 0, len = nof_nonstatic_fields(); i < len; i++) {
a61af66fc99e Initial load
duke
parents:
diff changeset
375 ciField* field = _nonstatic_fields->at(i);
a61af66fc99e Initial load
duke
parents:
diff changeset
376 int field_off = field->offset_in_bytes();
a61af66fc99e Initial load
duke
parents:
diff changeset
377 if (field_off == field_offset)
a61af66fc99e Initial load
duke
parents:
diff changeset
378 return field;
a61af66fc99e Initial load
duke
parents:
diff changeset
379 if (field_off > field_offset)
a61af66fc99e Initial load
duke
parents:
diff changeset
380 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
381 // could do binary search or check bins, but probably not worth it
a61af66fc99e Initial load
duke
parents:
diff changeset
382 }
a61af66fc99e Initial load
duke
parents:
diff changeset
383 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
384 }
a61af66fc99e Initial load
duke
parents:
diff changeset
385 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
386 InstanceKlass* k = get_instanceKlass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
387 fieldDescriptor fd;
a61af66fc99e Initial load
duke
parents:
diff changeset
388 if (!k->find_field_from_offset(field_offset, is_static, &fd)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
389 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
390 }
a61af66fc99e Initial load
duke
parents:
diff changeset
391 ciField* field = new (CURRENT_THREAD_ENV->arena()) ciField(&fd);
a61af66fc99e Initial load
duke
parents:
diff changeset
392 return field;
a61af66fc99e Initial load
duke
parents:
diff changeset
393 }
a61af66fc99e Initial load
duke
parents:
diff changeset
394
44
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
395 // ------------------------------------------------------------------
1080
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
396 // ciInstanceKlass::get_field_by_name
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
397 ciField* ciInstanceKlass::get_field_by_name(ciSymbol* name, ciSymbol* signature, bool is_static) {
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
398 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
399 InstanceKlass* k = get_instanceKlass();
1080
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
400 fieldDescriptor fd;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
401 Klass* def = k->find_field(name->get_symbol(), signature->get_symbol(), is_static, &fd);
1080
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
402 if (def == NULL) {
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
403 return NULL;
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
404 }
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
405 ciField* field = new (CURRENT_THREAD_ENV->arena()) ciField(&fd);
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
406 return field;
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
407 }
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
408
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 196
diff changeset
409 // ------------------------------------------------------------------
44
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
410 // ciInstanceKlass::non_static_fields.
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
411
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
412 class NonStaticFieldFiller: public FieldClosure {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
413 GrowableArray<ciField*>* _arr;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
414 ciEnv* _curEnv;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
415 public:
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
416 NonStaticFieldFiller(ciEnv* curEnv, GrowableArray<ciField*>* arr) :
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
417 _curEnv(curEnv), _arr(arr)
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
418 {}
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
419 void do_field(fieldDescriptor* fd) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
420 ciField* field = new (_curEnv->arena()) ciField(fd);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
421 _arr->append(field);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
422 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
423 };
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
424
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
425 GrowableArray<ciField*>* ciInstanceKlass::non_static_fields() {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
426 if (_non_static_fields == NULL) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
427 VM_ENTRY_MARK;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
428 ciEnv* curEnv = ciEnv::current();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
429 InstanceKlass* ik = get_instanceKlass();
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
430 int max_n_fields = ik->java_fields_count();
44
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
431
1685
0e35fa8ebccd 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 1645
diff changeset
432 Arena* arena = curEnv->arena();
44
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
433 _non_static_fields =
1685
0e35fa8ebccd 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 1645
diff changeset
434 new (arena) GrowableArray<ciField*>(arena, max_n_fields, 0, NULL);
44
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
435 NonStaticFieldFiller filler(curEnv, _non_static_fields);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
436 ik->do_nonstatic_fields(&filler);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
437 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
438 return _non_static_fields;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
439 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
kvn
parents: 0
diff changeset
440
0
a61af66fc99e Initial load
duke
parents:
diff changeset
441 static int sort_field_by_offset(ciField** a, ciField** b) {
a61af66fc99e Initial load
duke
parents:
diff changeset
442 return (*a)->offset_in_bytes() - (*b)->offset_in_bytes();
a61af66fc99e Initial load
duke
parents:
diff changeset
443 // (no worries about 32-bit overflow...)
a61af66fc99e Initial load
duke
parents:
diff changeset
444 }
a61af66fc99e Initial load
duke
parents:
diff changeset
445
a61af66fc99e Initial load
duke
parents:
diff changeset
446 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
447 // ciInstanceKlass::compute_nonstatic_fields
a61af66fc99e Initial load
duke
parents:
diff changeset
448 int ciInstanceKlass::compute_nonstatic_fields() {
a61af66fc99e Initial load
duke
parents:
diff changeset
449 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load
duke
parents:
diff changeset
450
a61af66fc99e Initial load
duke
parents:
diff changeset
451 if (_nonstatic_fields != NULL)
a61af66fc99e Initial load
duke
parents:
diff changeset
452 return _nonstatic_fields->length();
a61af66fc99e Initial load
duke
parents:
diff changeset
453
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
454 if (!has_nonstatic_fields()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
455 Arena* arena = CURRENT_ENV->arena();
a61af66fc99e Initial load
duke
parents:
diff changeset
456 _nonstatic_fields = new (arena) GrowableArray<ciField*>(arena, 0, 0, NULL);
a61af66fc99e Initial load
duke
parents:
diff changeset
457 return 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
458 }
a61af66fc99e Initial load
duke
parents:
diff changeset
459 assert(!is_java_lang_Object(), "bootstrap OK");
a61af66fc99e Initial load
duke
parents:
diff changeset
460
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
461 // Size in bytes of my fields, including inherited fields.
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 113
diff changeset
462 int fsize = nonstatic_field_size() * heapOopSize;
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
463
0
a61af66fc99e Initial load
duke
parents:
diff changeset
464 ciInstanceKlass* super = this->super();
a61af66fc99e Initial load
duke
parents:
diff changeset
465 GrowableArray<ciField*>* super_fields = NULL;
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
466 if (super != NULL && super->has_nonstatic_fields()) {
165
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 113
diff changeset
467 int super_fsize = super->nonstatic_field_size() * heapOopSize;
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
468 int super_flen = super->nof_nonstatic_fields();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
469 super_fields = super->_nonstatic_fields;
a61af66fc99e Initial load
duke
parents:
diff changeset
470 assert(super_flen == 0 || super_fields != NULL, "first get nof_fields");
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
471 // See if I am no larger than my super; if so, I can use his fields.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
472 if (fsize == super_fsize) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
473 _nonstatic_fields = super_fields;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
474 return super_fields->length();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 44
diff changeset
475 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
476 }
a61af66fc99e Initial load
duke
parents:
diff changeset
477
a61af66fc99e Initial load
duke
parents:
diff changeset
478 GrowableArray<ciField*>* fields = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
479 GUARDED_VM_ENTRY({
a61af66fc99e Initial load
duke
parents:
diff changeset
480 fields = compute_nonstatic_fields_impl(super_fields);
a61af66fc99e Initial load
duke
parents:
diff changeset
481 });
a61af66fc99e Initial load
duke
parents:
diff changeset
482
a61af66fc99e Initial load
duke
parents:
diff changeset
483 if (fields == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
484 // This can happen if this class (java.lang.Class) has invisible fields.
a61af66fc99e Initial load
duke
parents:
diff changeset
485 _nonstatic_fields = super_fields;
a61af66fc99e Initial load
duke
parents:
diff changeset
486 return super_fields->length();
a61af66fc99e Initial load
duke
parents:
diff changeset
487 }
a61af66fc99e Initial load
duke
parents:
diff changeset
488
a61af66fc99e Initial load
duke
parents:
diff changeset
489 int flen = fields->length();
a61af66fc99e Initial load
duke
parents:
diff changeset
490
a61af66fc99e Initial load
duke
parents:
diff changeset
491 // Now sort them by offset, ascending.
a61af66fc99e Initial load
duke
parents:
diff changeset
492 // (In principle, they could mix with superclass fields.)
a61af66fc99e Initial load
duke
parents:
diff changeset
493 fields->sort(sort_field_by_offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
494 _nonstatic_fields = fields;
a61af66fc99e Initial load
duke
parents:
diff changeset
495 return flen;
a61af66fc99e Initial load
duke
parents:
diff changeset
496 }
a61af66fc99e Initial load
duke
parents:
diff changeset
497
a61af66fc99e Initial load
duke
parents:
diff changeset
498 GrowableArray<ciField*>*
a61af66fc99e Initial load
duke
parents:
diff changeset
499 ciInstanceKlass::compute_nonstatic_fields_impl(GrowableArray<ciField*>*
a61af66fc99e Initial load
duke
parents:
diff changeset
500 super_fields) {
a61af66fc99e Initial load
duke
parents:
diff changeset
501 ASSERT_IN_VM;
a61af66fc99e Initial load
duke
parents:
diff changeset
502 Arena* arena = CURRENT_ENV->arena();
a61af66fc99e Initial load
duke
parents:
diff changeset
503 int flen = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
504 GrowableArray<ciField*>* fields = NULL;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
505 InstanceKlass* k = get_instanceKlass();
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
506 for (JavaFieldStream fs(k); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
507 if (fs.access_flags().is_static()) continue;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
508 flen += 1;
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
509 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
510
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
511 // allocate the array:
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
512 if (flen == 0) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
513 return NULL; // return nothing if none are locally declared
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
514 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
515 if (super_fields != NULL) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
516 flen += super_fields->length();
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
517 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
518 fields = new (arena) GrowableArray<ciField*>(arena, flen, 0, NULL);
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
519 if (super_fields != NULL) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
520 fields->appendAll(super_fields);
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
521 }
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
522
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
523 for (JavaFieldStream fs(k); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
524 if (fs.access_flags().is_static()) continue;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10278
diff changeset
525 fieldDescriptor& fd = fs.field_descriptor();
3938
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
526 ciField* field = new (arena) ciField(&fd);
e6b1331a51d2 7086585: make Java field injection more flexible
never
parents: 2376
diff changeset
527 fields->append(field);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
528 }
a61af66fc99e Initial load
duke
parents:
diff changeset
529 assert(fields->length() == flen, "sanity");
a61af66fc99e Initial load
duke
parents:
diff changeset
530 return fields;
a61af66fc99e Initial load
duke
parents:
diff changeset
531 }
a61af66fc99e Initial load
duke
parents:
diff changeset
532
a61af66fc99e Initial load
duke
parents:
diff changeset
533 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
534 // ciInstanceKlass::find_method
a61af66fc99e Initial load
duke
parents:
diff changeset
535 //
a61af66fc99e Initial load
duke
parents:
diff changeset
536 // Find a method in this klass.
a61af66fc99e Initial load
duke
parents:
diff changeset
537 ciMethod* ciInstanceKlass::find_method(ciSymbol* name, ciSymbol* signature) {
a61af66fc99e Initial load
duke
parents:
diff changeset
538 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
539 InstanceKlass* k = get_instanceKlass();
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
540 Symbol* name_sym = name->get_symbol();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
541 Symbol* sig_sym= signature->get_symbol();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
542
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
543 Method* m = k->find_method(name_sym, sig_sym);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
544 if (m == NULL) return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
545
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
546 return CURRENT_THREAD_ENV->get_method(m);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
547 }
a61af66fc99e Initial load
duke
parents:
diff changeset
548
a61af66fc99e Initial load
duke
parents:
diff changeset
549 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
550 // ciInstanceKlass::is_leaf_type
a61af66fc99e Initial load
duke
parents:
diff changeset
551 bool ciInstanceKlass::is_leaf_type() {
a61af66fc99e Initial load
duke
parents:
diff changeset
552 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load
duke
parents:
diff changeset
553 if (is_shared()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
554 return is_final(); // approximately correct
a61af66fc99e Initial load
duke
parents:
diff changeset
555 } else {
5998
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 4739
diff changeset
556 return !_has_subklass && (nof_implementors() == 0);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
557 }
a61af66fc99e Initial load
duke
parents:
diff changeset
558 }
a61af66fc99e Initial load
duke
parents:
diff changeset
559
a61af66fc99e Initial load
duke
parents:
diff changeset
560 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
561 // ciInstanceKlass::implementor
a61af66fc99e Initial load
duke
parents:
diff changeset
562 //
a61af66fc99e Initial load
duke
parents:
diff changeset
563 // Report an implementor of this interface.
a61af66fc99e Initial load
duke
parents:
diff changeset
564 // Note that there are various races here, since my copy
a61af66fc99e Initial load
duke
parents:
diff changeset
565 // of _nof_implementors might be out of date with respect
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
566 // to results returned by InstanceKlass::implementor.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
567 // This is OK, since any dependencies we decide to assert
a61af66fc99e Initial load
duke
parents:
diff changeset
568 // will be checked later under the Compile_lock.
5998
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 4739
diff changeset
569 ciInstanceKlass* ciInstanceKlass::implementor() {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 4739
diff changeset
570 ciInstanceKlass* impl = _implementor;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
571 if (impl == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
572 // Go into the VM to fetch the implementor.
a61af66fc99e Initial load
duke
parents:
diff changeset
573 {
a61af66fc99e Initial load
duke
parents:
diff changeset
574 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
575 Klass* k = get_instanceKlass()->implementor();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
576 if (k != NULL) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
577 if (k == get_instanceKlass()) {
5998
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 4739
diff changeset
578 // More than one implementors. Use 'this' in this case.
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 4739
diff changeset
579 impl = this;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 4739
diff changeset
580 } else {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 5998
diff changeset
581 impl = CURRENT_THREAD_ENV->get_instance_klass(k);
5998
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 4739
diff changeset
582 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
583 }
a61af66fc99e Initial load
duke
parents:
diff changeset
584 }
a61af66fc99e Initial load
duke
parents:
diff changeset
585 // Memoize this result.
a61af66fc99e Initial load
duke
parents:
diff changeset
586 if (!is_shared()) {
5998
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 4739
diff changeset
587 _implementor = impl;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
588 }
a61af66fc99e Initial load
duke
parents:
diff changeset
589 }
a61af66fc99e Initial load
duke
parents:
diff changeset
590 return impl;
a61af66fc99e Initial load
duke
parents:
diff changeset
591 }
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
592
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
593 // Utility class for printing of the contents of the static fields for
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
594 // use by compilation replay. It only prints out the information that
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
595 // could be consumed by the compiler, so for primitive types it prints
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
596 // out the actual value. For Strings it's the actual string value.
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
597 // For array types it it's first level array size since that's the
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
598 // only value which statically unchangeable. For all other reference
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
599 // types it simply prints out the dynamic type.
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
600
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
601 class StaticFinalFieldPrinter : public FieldClosure {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
602 outputStream* _out;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
603 const char* _holder;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
604 public:
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
605 StaticFinalFieldPrinter(outputStream* out, const char* holder) :
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
606 _out(out),
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
607 _holder(holder) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
608 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
609 void do_field(fieldDescriptor* fd) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
610 if (fd->is_final() && !fd->has_initial_value()) {
7990
fcc9e7681d63 8006410: allocating without ResourceMark when CompileCommand was specified
vlivanov
parents: 6972
diff changeset
611 ResourceMark rm;
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
612 oop mirror = fd->field_holder()->java_mirror();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
613 _out->print("staticfield %s %s %s ", _holder, fd->name()->as_quoted_ascii(), fd->signature()->as_quoted_ascii());
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
614 switch (fd->field_type()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
615 case T_BYTE: _out->print_cr("%d", mirror->byte_field(fd->offset())); break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
616 case T_BOOLEAN: _out->print_cr("%d", mirror->bool_field(fd->offset())); break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
617 case T_SHORT: _out->print_cr("%d", mirror->short_field(fd->offset())); break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
618 case T_CHAR: _out->print_cr("%d", mirror->char_field(fd->offset())); break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
619 case T_INT: _out->print_cr("%d", mirror->int_field(fd->offset())); break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
620 case T_LONG: _out->print_cr(INT64_FORMAT, mirror->long_field(fd->offset())); break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
621 case T_FLOAT: {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
622 float f = mirror->float_field(fd->offset());
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
623 _out->print_cr("%d", *(int*)&f);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
624 break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
625 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
626 case T_DOUBLE: {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
627 double d = mirror->double_field(fd->offset());
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
628 _out->print_cr(INT64_FORMAT, *(jlong*)&d);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
629 break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
630 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
631 case T_ARRAY: {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
632 oop value = mirror->obj_field_acquire(fd->offset());
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
633 if (value == NULL) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
634 _out->print_cr("null");
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
635 } else {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
636 typeArrayOop ta = (typeArrayOop)value;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
637 _out->print("%d", ta->length());
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
638 if (value->is_objArray()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
639 objArrayOop oa = (objArrayOop)value;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
640 const char* klass_name = value->klass()->name()->as_quoted_ascii();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
641 _out->print(" %s", klass_name);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
642 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
643 _out->cr();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
644 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
645 break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
646 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
647 case T_OBJECT: {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
648 oop value = mirror->obj_field_acquire(fd->offset());
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
649 if (value == NULL) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
650 _out->print_cr("null");
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
651 } else if (value->is_instance()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
652 if (value->is_a(SystemDictionary::String_klass())) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
653 _out->print("\"");
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
654 _out->print_raw(java_lang_String::as_quoted_ascii(value));
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
655 _out->print_cr("\"");
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
656 } else {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
657 const char* klass_name = value->klass()->name()->as_quoted_ascii();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
658 _out->print_cr(klass_name);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
659 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
660 } else {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
661 ShouldNotReachHere();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
662 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
663 break;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
664 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
665 default:
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
666 ShouldNotReachHere();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
667 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
668 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
669 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
670 };
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
671
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
672
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
673 void ciInstanceKlass::dump_replay_data(outputStream* out) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
674 ASSERT_IN_VM;
7990
fcc9e7681d63 8006410: allocating without ResourceMark when CompileCommand was specified
vlivanov
parents: 6972
diff changeset
675 ResourceMark rm;
fcc9e7681d63 8006410: allocating without ResourceMark when CompileCommand was specified
vlivanov
parents: 6972
diff changeset
676
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
677 InstanceKlass* ik = get_instanceKlass();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
678 ConstantPool* cp = ik->constants();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
679
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
680 // Try to record related loaded classes
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
681 Klass* sub = ik->subklass();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
682 while (sub != NULL) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
683 if (sub->oop_is_instance()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
684 out->print_cr("instanceKlass %s", sub->name()->as_quoted_ascii());
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
685 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
686 sub = sub->next_sibling();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
687 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
688
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
689 // Dump out the state of the constant pool tags. During replay the
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
690 // tags will be validated for things which shouldn't change and
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
691 // classes will be resolved if the tags indicate that they were
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
692 // resolved at compile time.
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
693 out->print("ciInstanceKlass %s %d %d %d", ik->name()->as_quoted_ascii(),
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
694 is_linked(), is_initialized(), cp->length());
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
695 for (int index = 1; index < cp->length(); index++) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
696 out->print(" %d", cp->tags()->at(index));
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
697 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
698 out->cr();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
699 if (is_initialized()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
700 // Dump out the static final fields in case the compilation relies
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
701 // on their value for correct replay.
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
702 StaticFinalFieldPrinter sffp(out, ik->name()->as_quoted_ascii());
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
703 ik->do_local_static_fields(&sffp);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
704 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6725
diff changeset
705 }