Mercurial > hg > graal-compiler
annotate src/share/vm/classfile/javaClasses.hpp @ 7624:b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
Summary: Remove Method* from backtrace but save version so redefine classes doesn't give inaccurate line numbers. Removed old Merlin API with duplicate code.
Reviewed-by: dholmes, sspitsyn
author | coleenp |
---|---|
date | Thu, 17 Jan 2013 13:40:31 -0500 |
parents | ade95d680b42 |
children | c73c3f2c5b3b |
rev | line source |
---|---|
0 | 1 /* |
7624
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
7462
diff
changeset
|
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
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:
1507
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_CLASSFILE_JAVACLASSES_HPP |
26 #define SHARE_VM_CLASSFILE_JAVACLASSES_HPP | |
27 | |
28 #include "classfile/systemDictionary.hpp" | |
29 #include "jvmtifiles/jvmti.h" | |
30 #include "oops/oop.hpp" | |
31 #include "runtime/os.hpp" | |
32 #include "utilities/utf8.hpp" | |
33 | |
0 | 34 // Interface for manipulating the basic Java classes. |
35 // | |
36 // All dependencies on layout of actual Java classes should be kept here. | |
37 // If the layout of any of the classes above changes the offsets must be adjusted. | |
38 // | |
39 // For most classes we hardwire the offsets for performance reasons. In certain | |
40 // cases (e.g. java.security.AccessControlContext) we compute the offsets at | |
41 // startup since the layout here differs between JDK1.2 and JDK1.3. | |
42 // | |
43 // Note that fields (static and non-static) are arranged with oops before non-oops | |
44 // on a per class basis. The offsets below have to reflect this ordering. | |
45 // | |
46 // When editing the layouts please update the check_offset verification code | |
47 // correspondingly. The names in the enums must be identical to the actual field | |
48 // names in order for the verification code to work. | |
49 | |
50 | |
51 // Interface to java.lang.String objects | |
52 | |
53 class java_lang_String : AllStatic { | |
54 private: | |
55 static int value_offset; | |
56 static int offset_offset; | |
57 static int count_offset; | |
58 static int hash_offset; | |
59 | |
6057 | 60 static bool initialized; |
61 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
62 static Handle basic_create(int length, TRAPS); |
0 | 63 |
6057 | 64 static void set_value( oop string, typeArrayOop buffer) { |
65 assert(initialized, "Must be initialized"); | |
66 string->obj_field_put(value_offset, (oop)buffer); | |
67 } | |
68 static void set_offset(oop string, int offset) { | |
69 assert(initialized, "Must be initialized"); | |
70 if (offset_offset > 0) { | |
71 string->int_field_put(offset_offset, offset); | |
72 } | |
73 } | |
74 static void set_count( oop string, int count) { | |
75 assert(initialized, "Must be initialized"); | |
76 if (count_offset > 0) { | |
77 string->int_field_put(count_offset, count); | |
78 } | |
79 } | |
0 | 80 |
81 public: | |
6057 | 82 static void compute_offsets(); |
83 | |
0 | 84 // Instance creation |
85 static Handle create_from_unicode(jchar* unicode, int len, TRAPS); | |
86 static oop create_oop_from_unicode(jchar* unicode, int len, TRAPS); | |
87 static Handle create_from_str(const char* utf8_str, TRAPS); | |
88 static oop create_oop_from_str(const char* utf8_str, TRAPS); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
89 static Handle create_from_symbol(Symbol* symbol, TRAPS); |
0 | 90 static Handle create_from_platform_dependent_str(const char* str, TRAPS); |
91 static Handle char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS); | |
92 | |
6057 | 93 static bool has_offset_field() { |
94 assert(initialized, "Must be initialized"); | |
95 return (offset_offset > 0); | |
96 } | |
97 | |
98 static bool has_count_field() { | |
99 assert(initialized, "Must be initialized"); | |
100 return (count_offset > 0); | |
101 } | |
102 | |
103 static bool has_hash_field() { | |
104 assert(initialized, "Must be initialized"); | |
105 return (hash_offset > 0); | |
106 } | |
107 | |
108 static int value_offset_in_bytes() { | |
109 assert(initialized && (value_offset > 0), "Must be initialized"); | |
110 return value_offset; | |
111 } | |
112 static int count_offset_in_bytes() { | |
113 assert(initialized && (count_offset > 0), "Must be initialized"); | |
114 return count_offset; | |
115 } | |
116 static int offset_offset_in_bytes() { | |
117 assert(initialized && (offset_offset > 0), "Must be initialized"); | |
118 return offset_offset; | |
119 } | |
120 static int hash_offset_in_bytes() { | |
121 assert(initialized && (hash_offset > 0), "Must be initialized"); | |
122 return hash_offset; | |
123 } | |
0 | 124 |
125 // Accessors | |
126 static typeArrayOop value(oop java_string) { | |
6057 | 127 assert(initialized && (value_offset > 0), "Must be initialized"); |
0 | 128 assert(is_instance(java_string), "must be java_string"); |
129 return (typeArrayOop) java_string->obj_field(value_offset); | |
130 } | |
131 static int offset(oop java_string) { | |
6057 | 132 assert(initialized, "Must be initialized"); |
0 | 133 assert(is_instance(java_string), "must be java_string"); |
6057 | 134 if (offset_offset > 0) { |
135 return java_string->int_field(offset_offset); | |
136 } else { | |
137 return 0; | |
138 } | |
0 | 139 } |
140 static int length(oop java_string) { | |
6057 | 141 assert(initialized, "Must be initialized"); |
0 | 142 assert(is_instance(java_string), "must be java_string"); |
6057 | 143 if (count_offset > 0) { |
144 return java_string->int_field(count_offset); | |
145 } else { | |
146 return ((typeArrayOop)java_string->obj_field(value_offset))->length(); | |
147 } | |
0 | 148 } |
149 static int utf8_length(oop java_string); | |
150 | |
151 // String converters | |
152 static char* as_utf8_string(oop java_string); | |
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1972
diff
changeset
|
153 static char* as_utf8_string(oop java_string, char* buf, int buflen); |
0 | 154 static char* as_utf8_string(oop java_string, int start, int len); |
22
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
155 static char* as_platform_dependent_str(Handle java_string, TRAPS); |
0 | 156 static jchar* as_unicode_string(oop java_string, int& length); |
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6725
diff
changeset
|
157 // produce an ascii string with all other values quoted using \u#### |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6725
diff
changeset
|
158 static char* as_quoted_ascii(oop java_string); |
0 | 159 |
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
160 // Compute the hash value for a java.lang.String object which would |
6162 | 161 // contain the characters passed in. |
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
162 // |
6162 | 163 // As the hash value used by the String object itself, in |
164 // String.hashCode(). This value is normally calculated in Java code | |
165 // in the String.hashCode method(), but is precomputed for String | |
166 // objects in the shared archive file. | |
167 // hash P(31) from Kernighan & Ritchie | |
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
168 // |
7399
2aa953165ade
8004661: Comment and function name java_lang_String::toHash is wrong
brutisso
parents:
7185
diff
changeset
|
169 // For this reason, THIS ALGORITHM MUST MATCH String.hashCode(). |
2aa953165ade
8004661: Comment and function name java_lang_String::toHash is wrong
brutisso
parents:
7185
diff
changeset
|
170 template <typename T> static unsigned int hash_code(T* s, int len) { |
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
171 unsigned int h = 0; |
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
172 while (len-- > 0) { |
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
173 h = 31*h + (unsigned int) *s; |
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
174 s++; |
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
175 } |
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
176 return h; |
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
177 } |
7399
2aa953165ade
8004661: Comment and function name java_lang_String::toHash is wrong
brutisso
parents:
7185
diff
changeset
|
178 static unsigned int hash_code(oop java_string); |
6162 | 179 |
180 // This is the string hash code used by the StringTable, which may be | |
7399
2aa953165ade
8004661: Comment and function name java_lang_String::toHash is wrong
brutisso
parents:
7185
diff
changeset
|
181 // the same as String.hashCode or an alternate hash code. |
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
182 static unsigned int hash_string(oop java_string); |
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
183 |
0 | 184 static bool equals(oop java_string, jchar* chars, int len); |
185 | |
186 // Conversion between '.' and '/' formats | |
187 static Handle externalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '/', '.', THREAD); } | |
188 static Handle internalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '.', '/', THREAD); } | |
189 | |
190 // Conversion | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
191 static Symbol* as_symbol(Handle java_string, TRAPS); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
192 static Symbol* as_symbol_or_null(oop java_string); |
0 | 193 |
194 // Testers | |
195 static bool is_instance(oop obj) { | |
1142 | 196 return obj != NULL && obj->klass() == SystemDictionary::String_klass(); |
0 | 197 } |
198 | |
199 // Debugging | |
200 static void print(Handle java_string, outputStream* st); | |
201 friend class JavaClasses; | |
202 }; | |
203 | |
204 | |
205 // Interface to java.lang.Class objects | |
206 | |
3938 | 207 #define CLASS_INJECTED_FIELDS(macro) \ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
208 macro(java_lang_Class, klass, intptr_signature, false) \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
209 macro(java_lang_Class, resolved_constructor, intptr_signature, false) \ |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
210 macro(java_lang_Class, array_klass, intptr_signature, false) \ |
3938 | 211 macro(java_lang_Class, oop_size, int_signature, false) \ |
212 macro(java_lang_Class, static_oop_field_count, int_signature, false) | |
213 | |
0 | 214 class java_lang_Class : AllStatic { |
3938 | 215 friend class VMStructs; |
216 | |
0 | 217 private: |
218 // The fake offsets are added by the class loader when java.lang.Class is loaded | |
219 | |
3938 | 220 static int _klass_offset; |
221 static int _resolved_constructor_offset; | |
222 static int _array_klass_offset; | |
0 | 223 |
3938 | 224 static int _oop_size_offset; |
225 static int _static_oop_field_count_offset; | |
0 | 226 |
227 static bool offsets_computed; | |
228 static int classRedefinedCount_offset; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
229 static GrowableArray<Klass*>* _fixup_mirror_list; |
0 | 230 |
231 public: | |
3938 | 232 static void compute_offsets(); |
233 | |
0 | 234 // Instance creation |
235 static oop create_mirror(KlassHandle k, TRAPS); | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
236 static void fixup_mirror(KlassHandle k, TRAPS); |
0 | 237 static oop create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS); |
238 // Conversion | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
239 static Klass* as_Klass(oop java_class); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
240 static void set_klass(oop java_class, Klass* klass); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
241 static BasicType as_BasicType(oop java_class, Klass** reference_klass = NULL); |
710 | 242 static BasicType as_BasicType(oop java_class, KlassHandle* reference_klass) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
243 Klass* refk_oop = NULL; |
710 | 244 BasicType result = as_BasicType(java_class, &refk_oop); |
245 (*reference_klass) = KlassHandle(refk_oop); | |
246 return result; | |
247 } | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
248 static Symbol* as_signature(oop java_class, bool intern_if_not_found, TRAPS); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
249 static void print_signature(oop java_class, outputStream *st); |
0 | 250 // Testing |
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
251 static bool is_instance(oop obj) { |
1142 | 252 return obj != NULL && obj->klass() == SystemDictionary::Class_klass(); |
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
253 } |
0 | 254 static bool is_primitive(oop java_class); |
255 static BasicType primitive_type(oop java_class); | |
256 static oop primitive_mirror(BasicType t); | |
257 // JVM_NewInstance support | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
258 static Method* resolved_constructor(oop java_class); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
259 static void set_resolved_constructor(oop java_class, Method* constructor); |
0 | 260 // JVM_NewArray support |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
261 static Klass* array_klass(oop java_class); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
262 static void set_array_klass(oop java_class, Klass* klass); |
0 | 263 // compiler support for class operations |
3938 | 264 static int klass_offset_in_bytes() { return _klass_offset; } |
265 static int resolved_constructor_offset_in_bytes() { return _resolved_constructor_offset; } | |
266 static int array_klass_offset_in_bytes() { return _array_klass_offset; } | |
0 | 267 // Support for classRedefinedCount field |
268 static int classRedefinedCount(oop the_class_mirror); | |
269 static void set_classRedefinedCount(oop the_class_mirror, int value); | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
270 |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
271 static int oop_size(oop java_class); |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
272 static void set_oop_size(oop java_class, int size); |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
273 static int static_oop_field_count(oop java_class); |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
274 static void set_static_oop_field_count(oop java_class, int size); |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
275 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
276 static GrowableArray<Klass*>* fixup_mirror_list() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
277 return _fixup_mirror_list; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
278 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
279 static void set_fixup_mirror_list(GrowableArray<Klass*>* v) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
280 _fixup_mirror_list = v; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
281 } |
0 | 282 // Debugging |
283 friend class JavaClasses; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
284 friend class InstanceKlass; // verification code accesses offsets |
0 | 285 friend class ClassFileParser; // access to number_of_fake_fields |
286 }; | |
287 | |
288 // Interface to java.lang.Thread objects | |
289 | |
290 class java_lang_Thread : AllStatic { | |
291 private: | |
292 // Note that for this class the layout changed between JDK1.2 and JDK1.3, | |
293 // so we compute the offsets at startup rather than hard-wiring them. | |
294 static int _name_offset; | |
295 static int _group_offset; | |
296 static int _contextClassLoader_offset; | |
297 static int _inheritedAccessControlContext_offset; | |
298 static int _priority_offset; | |
299 static int _eetop_offset; | |
300 static int _daemon_offset; | |
301 static int _stillborn_offset; | |
302 static int _stackSize_offset; | |
303 static int _tid_offset; | |
304 static int _thread_status_offset; | |
305 static int _park_blocker_offset; | |
306 static int _park_event_offset ; | |
307 | |
308 static void compute_offsets(); | |
309 | |
310 public: | |
311 // Instance creation | |
312 static oop create(); | |
313 // Returns the JavaThread associated with the thread obj | |
314 static JavaThread* thread(oop java_thread); | |
315 // Set JavaThread for instance | |
316 static void set_thread(oop java_thread, JavaThread* thread); | |
317 // Name | |
318 static typeArrayOop name(oop java_thread); | |
319 static void set_name(oop java_thread, typeArrayOop name); | |
320 // Priority | |
321 static ThreadPriority priority(oop java_thread); | |
322 static void set_priority(oop java_thread, ThreadPriority priority); | |
323 // Thread group | |
324 static oop threadGroup(oop java_thread); | |
325 // Stillborn | |
326 static bool is_stillborn(oop java_thread); | |
327 static void set_stillborn(oop java_thread); | |
328 // Alive (NOTE: this is not really a field, but provides the correct | |
329 // definition without doing a Java call) | |
330 static bool is_alive(oop java_thread); | |
331 // Daemon | |
332 static bool is_daemon(oop java_thread); | |
333 static void set_daemon(oop java_thread); | |
334 // Context ClassLoader | |
335 static oop context_class_loader(oop java_thread); | |
336 // Control context | |
337 static oop inherited_access_control_context(oop java_thread); | |
338 // Stack size hint | |
339 static jlong stackSize(oop java_thread); | |
340 // Thread ID | |
341 static jlong thread_id(oop java_thread); | |
342 | |
343 // Blocker object responsible for thread parking | |
344 static oop park_blocker(oop java_thread); | |
345 | |
346 // Pointer to type-stable park handler, encoded as jlong. | |
347 // Should be set when apparently null | |
348 // For details, see unsafe.cpp Unsafe_Unpark | |
349 static jlong park_event(oop java_thread); | |
350 static bool set_park_event(oop java_thread, jlong ptr); | |
351 | |
352 // Java Thread Status for JVMTI and M&M use. | |
353 // This thread status info is saved in threadStatus field of | |
354 // java.lang.Thread java class. | |
355 enum ThreadStatus { | |
356 NEW = 0, | |
357 RUNNABLE = JVMTI_THREAD_STATE_ALIVE + // runnable / running | |
358 JVMTI_THREAD_STATE_RUNNABLE, | |
359 SLEEPING = JVMTI_THREAD_STATE_ALIVE + // Thread.sleep() | |
360 JVMTI_THREAD_STATE_WAITING + | |
361 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT + | |
362 JVMTI_THREAD_STATE_SLEEPING, | |
363 IN_OBJECT_WAIT = JVMTI_THREAD_STATE_ALIVE + // Object.wait() | |
364 JVMTI_THREAD_STATE_WAITING + | |
365 JVMTI_THREAD_STATE_WAITING_INDEFINITELY + | |
366 JVMTI_THREAD_STATE_IN_OBJECT_WAIT, | |
367 IN_OBJECT_WAIT_TIMED = JVMTI_THREAD_STATE_ALIVE + // Object.wait(long) | |
368 JVMTI_THREAD_STATE_WAITING + | |
369 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT + | |
370 JVMTI_THREAD_STATE_IN_OBJECT_WAIT, | |
371 PARKED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park() | |
372 JVMTI_THREAD_STATE_WAITING + | |
373 JVMTI_THREAD_STATE_WAITING_INDEFINITELY + | |
374 JVMTI_THREAD_STATE_PARKED, | |
375 PARKED_TIMED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park(long) | |
376 JVMTI_THREAD_STATE_WAITING + | |
377 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT + | |
378 JVMTI_THREAD_STATE_PARKED, | |
379 BLOCKED_ON_MONITOR_ENTER = JVMTI_THREAD_STATE_ALIVE + // (re-)entering a synchronization block | |
380 JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER, | |
381 TERMINATED = JVMTI_THREAD_STATE_TERMINATED | |
382 }; | |
383 // Write thread status info to threadStatus field of java.lang.Thread. | |
384 static void set_thread_status(oop java_thread_oop, ThreadStatus status); | |
385 // Read thread status info from threadStatus field of java.lang.Thread. | |
386 static ThreadStatus get_thread_status(oop java_thread_oop); | |
387 | |
388 static const char* thread_status_name(oop java_thread_oop); | |
389 | |
390 // Debugging | |
391 friend class JavaClasses; | |
392 }; | |
393 | |
394 // Interface to java.lang.ThreadGroup objects | |
395 | |
396 class java_lang_ThreadGroup : AllStatic { | |
397 private: | |
398 static int _parent_offset; | |
399 static int _name_offset; | |
400 static int _threads_offset; | |
401 static int _groups_offset; | |
402 static int _maxPriority_offset; | |
403 static int _destroyed_offset; | |
404 static int _daemon_offset; | |
405 static int _vmAllowSuspension_offset; | |
406 static int _nthreads_offset; | |
407 static int _ngroups_offset; | |
408 | |
409 static void compute_offsets(); | |
410 | |
411 public: | |
412 // parent ThreadGroup | |
413 static oop parent(oop java_thread_group); | |
414 // name | |
415 static typeArrayOop name(oop java_thread_group); | |
416 // ("name as oop" accessor is not necessary) | |
417 // Number of threads in group | |
418 static int nthreads(oop java_thread_group); | |
419 // threads | |
420 static objArrayOop threads(oop java_thread_group); | |
421 // Number of threads in group | |
422 static int ngroups(oop java_thread_group); | |
423 // groups | |
424 static objArrayOop groups(oop java_thread_group); | |
425 // maxPriority in group | |
426 static ThreadPriority maxPriority(oop java_thread_group); | |
427 // Destroyed | |
428 static bool is_destroyed(oop java_thread_group); | |
429 // Daemon | |
430 static bool is_daemon(oop java_thread_group); | |
431 // vmAllowSuspension | |
432 static bool is_vmAllowSuspension(oop java_thread_group); | |
433 // Debugging | |
434 friend class JavaClasses; | |
435 }; | |
436 | |
437 | |
438 | |
439 // Interface to java.lang.Throwable objects | |
440 | |
441 class java_lang_Throwable: AllStatic { | |
442 friend class BacktraceBuilder; | |
443 | |
444 private: | |
445 // Offsets | |
446 enum { | |
447 hc_backtrace_offset = 0, | |
448 hc_detailMessage_offset = 1, | |
449 hc_cause_offset = 2, // New since 1.4 | |
450 hc_stackTrace_offset = 3 // New since 1.4 | |
451 }; | |
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3785
diff
changeset
|
452 enum { |
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3785
diff
changeset
|
453 hc_static_unassigned_stacktrace_offset = 0 // New since 1.7 |
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3785
diff
changeset
|
454 }; |
0 | 455 // Trace constants |
456 enum { | |
457 trace_methods_offset = 0, | |
458 trace_bcis_offset = 1, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
459 trace_mirrors_offset = 2, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
460 trace_next_offset = 3, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
461 trace_size = 4, |
0 | 462 trace_chunk_size = 32 |
463 }; | |
464 | |
465 static int backtrace_offset; | |
466 static int detailMessage_offset; | |
467 static int cause_offset; | |
468 static int stackTrace_offset; | |
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3785
diff
changeset
|
469 static int static_unassigned_stacktrace_offset; |
0 | 470 |
471 // Printing | |
7624
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
7462
diff
changeset
|
472 static char* print_stack_element_to_buffer(Handle mirror, int method, int version, int bci); |
0 | 473 // StackTrace (programmatic access, new since 1.4) |
474 static void clear_stacktrace(oop throwable); | |
475 // No stack trace available | |
476 static const char* no_stack_trace_message(); | |
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3785
diff
changeset
|
477 // Stacktrace (post JDK 1.7.0 to allow immutability protocol to be followed) |
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3785
diff
changeset
|
478 static void set_stacktrace(oop throwable, oop st_element_array); |
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3785
diff
changeset
|
479 static oop unassigned_stacktrace(); |
0 | 480 |
481 public: | |
482 // Backtrace | |
483 static oop backtrace(oop throwable); | |
484 static void set_backtrace(oop throwable, oop value); | |
485 // Needed by JVMTI to filter out this internal field. | |
486 static int get_backtrace_offset() { return backtrace_offset;} | |
487 static int get_detailMessage_offset() { return detailMessage_offset;} | |
488 // Message | |
489 static oop message(oop throwable); | |
490 static oop message(Handle throwable); | |
491 static void set_message(oop throwable, oop value); | |
7624
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
7462
diff
changeset
|
492 static void print_stack_element(outputStream *st, Handle mirror, int method, |
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
7462
diff
changeset
|
493 int version, int bci); |
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
7462
diff
changeset
|
494 static void print_stack_element(outputStream *st, methodHandle method, int bci); |
0 | 495 static void print_stack_usage(Handle stream); |
496 | |
497 // Allocate space for backtrace (created but stack trace not filled in) | |
498 static void allocate_backtrace(Handle throwable, TRAPS); | |
499 // Fill in current stack trace for throwable with preallocated backtrace (no GC) | |
500 static void fill_in_stack_trace_of_preallocated_backtrace(Handle throwable); | |
501 // Fill in current stack trace, can cause GC | |
3272
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2418
diff
changeset
|
502 static void fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS); |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2418
diff
changeset
|
503 static void fill_in_stack_trace(Handle throwable, methodHandle method = methodHandle()); |
0 | 504 // Programmatic access to stack trace |
505 static oop get_stack_trace_element(oop throwable, int index, TRAPS); | |
506 static int get_stack_trace_depth(oop throwable, TRAPS); | |
507 // Printing | |
508 static void print(oop throwable, outputStream* st); | |
509 static void print(Handle throwable, outputStream* st); | |
510 static void print_stack_trace(oop throwable, outputStream* st); | |
511 // Debugging | |
512 friend class JavaClasses; | |
513 }; | |
514 | |
515 | |
516 // Interface to java.lang.reflect.AccessibleObject objects | |
517 | |
518 class java_lang_reflect_AccessibleObject: AllStatic { | |
519 private: | |
520 // Note that to reduce dependencies on the JDK we compute these | |
521 // offsets at run-time. | |
522 static int override_offset; | |
523 | |
524 static void compute_offsets(); | |
525 | |
526 public: | |
527 // Accessors | |
528 static jboolean override(oop reflect); | |
529 static void set_override(oop reflect, jboolean value); | |
530 | |
531 // Debugging | |
532 friend class JavaClasses; | |
533 }; | |
534 | |
535 | |
536 // Interface to java.lang.reflect.Method objects | |
537 | |
538 class java_lang_reflect_Method : public java_lang_reflect_AccessibleObject { | |
539 private: | |
540 // Note that to reduce dependencies on the JDK we compute these | |
541 // offsets at run-time. | |
542 static int clazz_offset; | |
543 static int name_offset; | |
544 static int returnType_offset; | |
545 static int parameterTypes_offset; | |
546 static int exceptionTypes_offset; | |
547 static int slot_offset; | |
548 static int modifiers_offset; | |
549 static int signature_offset; | |
550 static int annotations_offset; | |
551 static int parameter_annotations_offset; | |
552 static int annotation_default_offset; | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
553 static int type_annotations_offset; |
0 | 554 |
555 static void compute_offsets(); | |
556 | |
557 public: | |
558 // Allocation | |
559 static Handle create(TRAPS); | |
560 | |
561 // Accessors | |
562 static oop clazz(oop reflect); | |
563 static void set_clazz(oop reflect, oop value); | |
564 | |
565 static oop name(oop method); | |
566 static void set_name(oop method, oop value); | |
567 | |
568 static oop return_type(oop method); | |
569 static void set_return_type(oop method, oop value); | |
570 | |
571 static oop parameter_types(oop method); | |
572 static void set_parameter_types(oop method, oop value); | |
573 | |
574 static oop exception_types(oop method); | |
575 static void set_exception_types(oop method, oop value); | |
576 | |
577 static int slot(oop reflect); | |
578 static void set_slot(oop reflect, int value); | |
579 | |
580 static int modifiers(oop method); | |
581 static void set_modifiers(oop method, int value); | |
582 | |
583 static bool has_signature_field(); | |
584 static oop signature(oop method); | |
585 static void set_signature(oop method, oop value); | |
586 | |
587 static bool has_annotations_field(); | |
588 static oop annotations(oop method); | |
589 static void set_annotations(oop method, oop value); | |
590 | |
591 static bool has_parameter_annotations_field(); | |
592 static oop parameter_annotations(oop method); | |
593 static void set_parameter_annotations(oop method, oop value); | |
594 | |
595 static bool has_annotation_default_field(); | |
596 static oop annotation_default(oop method); | |
597 static void set_annotation_default(oop method, oop value); | |
598 | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
599 static bool has_type_annotations_field(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
600 static oop type_annotations(oop method); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
601 static void set_type_annotations(oop method, oop value); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
602 |
0 | 603 // Debugging |
604 friend class JavaClasses; | |
605 }; | |
606 | |
607 | |
608 // Interface to java.lang.reflect.Constructor objects | |
609 | |
610 class java_lang_reflect_Constructor : public java_lang_reflect_AccessibleObject { | |
611 private: | |
612 // Note that to reduce dependencies on the JDK we compute these | |
613 // offsets at run-time. | |
614 static int clazz_offset; | |
615 static int parameterTypes_offset; | |
616 static int exceptionTypes_offset; | |
617 static int slot_offset; | |
618 static int modifiers_offset; | |
619 static int signature_offset; | |
620 static int annotations_offset; | |
621 static int parameter_annotations_offset; | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
622 static int type_annotations_offset; |
0 | 623 |
624 static void compute_offsets(); | |
625 | |
626 public: | |
627 // Allocation | |
628 static Handle create(TRAPS); | |
629 | |
630 // Accessors | |
631 static oop clazz(oop reflect); | |
632 static void set_clazz(oop reflect, oop value); | |
633 | |
634 static oop parameter_types(oop constructor); | |
635 static void set_parameter_types(oop constructor, oop value); | |
636 | |
637 static oop exception_types(oop constructor); | |
638 static void set_exception_types(oop constructor, oop value); | |
639 | |
640 static int slot(oop reflect); | |
641 static void set_slot(oop reflect, int value); | |
642 | |
643 static int modifiers(oop constructor); | |
644 static void set_modifiers(oop constructor, int value); | |
645 | |
646 static bool has_signature_field(); | |
647 static oop signature(oop constructor); | |
648 static void set_signature(oop constructor, oop value); | |
649 | |
650 static bool has_annotations_field(); | |
651 static oop annotations(oop constructor); | |
652 static void set_annotations(oop constructor, oop value); | |
653 | |
654 static bool has_parameter_annotations_field(); | |
655 static oop parameter_annotations(oop method); | |
656 static void set_parameter_annotations(oop method, oop value); | |
657 | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
658 static bool has_type_annotations_field(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
659 static oop type_annotations(oop constructor); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
660 static void set_type_annotations(oop constructor, oop value); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
661 |
0 | 662 // Debugging |
663 friend class JavaClasses; | |
664 }; | |
665 | |
666 | |
667 // Interface to java.lang.reflect.Field objects | |
668 | |
669 class java_lang_reflect_Field : public java_lang_reflect_AccessibleObject { | |
670 private: | |
671 // Note that to reduce dependencies on the JDK we compute these | |
672 // offsets at run-time. | |
673 static int clazz_offset; | |
674 static int name_offset; | |
675 static int type_offset; | |
676 static int slot_offset; | |
677 static int modifiers_offset; | |
678 static int signature_offset; | |
679 static int annotations_offset; | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
680 static int type_annotations_offset; |
0 | 681 |
682 static void compute_offsets(); | |
683 | |
684 public: | |
685 // Allocation | |
686 static Handle create(TRAPS); | |
687 | |
688 // Accessors | |
689 static oop clazz(oop reflect); | |
690 static void set_clazz(oop reflect, oop value); | |
691 | |
692 static oop name(oop field); | |
693 static void set_name(oop field, oop value); | |
694 | |
695 static oop type(oop field); | |
696 static void set_type(oop field, oop value); | |
697 | |
698 static int slot(oop reflect); | |
699 static void set_slot(oop reflect, int value); | |
700 | |
701 static int modifiers(oop field); | |
702 static void set_modifiers(oop field, int value); | |
703 | |
704 static bool has_signature_field(); | |
705 static oop signature(oop constructor); | |
706 static void set_signature(oop constructor, oop value); | |
707 | |
708 static bool has_annotations_field(); | |
709 static oop annotations(oop constructor); | |
710 static void set_annotations(oop constructor, oop value); | |
711 | |
712 static bool has_parameter_annotations_field(); | |
713 static oop parameter_annotations(oop method); | |
714 static void set_parameter_annotations(oop method, oop value); | |
715 | |
716 static bool has_annotation_default_field(); | |
717 static oop annotation_default(oop method); | |
718 static void set_annotation_default(oop method, oop value); | |
719 | |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
720 static bool has_type_annotations_field(); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
721 static oop type_annotations(oop field); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
722 static void set_type_annotations(oop field, oop value); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
7185
diff
changeset
|
723 |
0 | 724 // Debugging |
725 friend class JavaClasses; | |
726 }; | |
727 | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
728 class java_lang_reflect_Parameter { |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
729 private: |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
730 // Note that to reduce dependencies on the JDK we compute these |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
731 // offsets at run-time. |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
732 static int name_offset; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
733 static int modifiers_offset; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
734 static int index_offset; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
735 static int executable_offset; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
736 |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
737 static void compute_offsets(); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
738 |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
739 public: |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
740 // Allocation |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
741 static Handle create(TRAPS); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
742 |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
743 // Accessors |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
744 static oop name(oop field); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
745 static void set_name(oop field, oop value); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
746 |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
747 static int index(oop reflect); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
748 static void set_index(oop reflect, int value); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
749 |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
750 static int modifiers(oop reflect); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
751 static void set_modifiers(oop reflect, int value); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
752 |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
753 static oop executable(oop constructor); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
754 static void set_executable(oop constructor, oop value); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
755 |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
756 friend class JavaClasses; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
757 }; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
758 |
0 | 759 // Interface to sun.reflect.ConstantPool objects |
760 class sun_reflect_ConstantPool { | |
761 private: | |
762 // Note that to reduce dependencies on the JDK we compute these | |
763 // offsets at run-time. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
764 static int _oop_offset; |
0 | 765 |
766 static void compute_offsets(); | |
767 | |
768 public: | |
769 // Allocation | |
770 static Handle create(TRAPS); | |
771 | |
772 // Accessors | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
773 static void set_cp(oop reflect, ConstantPool* value); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
774 static int oop_offset() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
775 return _oop_offset; |
0 | 776 } |
777 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
778 static ConstantPool* get_cp(oop reflect); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
779 |
0 | 780 // Debugging |
781 friend class JavaClasses; | |
782 }; | |
783 | |
784 // Interface to sun.reflect.UnsafeStaticFieldAccessorImpl objects | |
785 class sun_reflect_UnsafeStaticFieldAccessorImpl { | |
786 private: | |
787 static int _base_offset; | |
788 static void compute_offsets(); | |
789 | |
790 public: | |
791 static int base_offset() { | |
792 return _base_offset; | |
793 } | |
794 | |
795 // Debugging | |
796 friend class JavaClasses; | |
797 }; | |
798 | |
799 // Interface to java.lang primitive type boxing objects: | |
800 // - java.lang.Boolean | |
801 // - java.lang.Character | |
802 // - java.lang.Float | |
803 // - java.lang.Double | |
804 // - java.lang.Byte | |
805 // - java.lang.Short | |
806 // - java.lang.Integer | |
807 // - java.lang.Long | |
808 | |
809 // This could be separated out into 8 individual classes. | |
810 | |
811 class java_lang_boxing_object: AllStatic { | |
812 private: | |
813 enum { | |
814 hc_value_offset = 0 | |
815 }; | |
816 static int value_offset; | |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
817 static int long_value_offset; |
0 | 818 |
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
819 static oop initialize_and_allocate(BasicType type, TRAPS); |
0 | 820 public: |
821 // Allocation. Returns a boxed value, or NULL for invalid type. | |
822 static oop create(BasicType type, jvalue* value, TRAPS); | |
823 // Accessors. Returns the basic type being boxed, or T_ILLEGAL for invalid oop. | |
824 static BasicType get_value(oop box, jvalue* value); | |
825 static BasicType set_value(oop box, jvalue* value); | |
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
826 static BasicType basic_type(oop box); |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
827 static bool is_instance(oop box) { return basic_type(box) != T_ILLEGAL; } |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
828 static bool is_instance(oop box, BasicType type) { return basic_type(box) == type; } |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
829 static void print(oop box, outputStream* st) { jvalue value; print(get_value(box, &value), &value, st); } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
830 static void print(BasicType type, jvalue* value, outputStream* st); |
0 | 831 |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
832 static int value_offset_in_bytes(BasicType type) { |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
833 return ( type == T_LONG || type == T_DOUBLE ) ? long_value_offset : |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
834 value_offset; |
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
835 } |
0 | 836 |
837 // Debugging | |
838 friend class JavaClasses; | |
839 }; | |
840 | |
841 | |
842 | |
843 // Interface to java.lang.ref.Reference objects | |
844 | |
845 class java_lang_ref_Reference: AllStatic { | |
846 public: | |
847 enum { | |
848 hc_referent_offset = 0, | |
849 hc_queue_offset = 1, | |
850 hc_next_offset = 2, | |
851 hc_discovered_offset = 3 // Is not last, see SoftRefs. | |
852 }; | |
853 enum { | |
854 hc_static_lock_offset = 0, | |
855 hc_static_pending_offset = 1 | |
856 }; | |
857 | |
858 static int referent_offset; | |
859 static int queue_offset; | |
860 static int next_offset; | |
861 static int discovered_offset; | |
862 static int static_lock_offset; | |
863 static int static_pending_offset; | |
864 static int number_of_fake_oop_fields; | |
865 | |
866 // Accessors | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
867 static oop referent(oop ref) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
868 return ref->obj_field(referent_offset); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
869 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
870 static void set_referent(oop ref, oop value) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
871 ref->obj_field_put(referent_offset, value); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
872 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
873 static void set_referent_raw(oop ref, oop value) { |
3932
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
874 ref->obj_field_put_raw(referent_offset, value); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
875 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
876 static HeapWord* referent_addr(oop ref) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
877 return ref->obj_field_addr<HeapWord>(referent_offset); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
878 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
879 static oop next(oop ref) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
880 return ref->obj_field(next_offset); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
881 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
882 static void set_next(oop ref, oop value) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
883 ref->obj_field_put(next_offset, value); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
884 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
885 static void set_next_raw(oop ref, oop value) { |
3932
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
886 ref->obj_field_put_raw(next_offset, value); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
887 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
888 static HeapWord* next_addr(oop ref) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
889 return ref->obj_field_addr<HeapWord>(next_offset); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
890 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
891 static oop discovered(oop ref) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
892 return ref->obj_field(discovered_offset); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
893 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
894 static void set_discovered(oop ref, oop value) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
895 ref->obj_field_put(discovered_offset, value); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
896 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
897 static void set_discovered_raw(oop ref, oop value) { |
3932
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
898 ref->obj_field_put_raw(discovered_offset, value); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
899 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
900 static HeapWord* discovered_addr(oop ref) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
901 return ref->obj_field_addr<HeapWord>(discovered_offset); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
902 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
903 // Accessors for statics |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
904 static oop pending_list_lock(); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
905 static oop pending_list(); |
0 | 906 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
907 static HeapWord* pending_list_lock_addr(); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
908 static HeapWord* pending_list_addr(); |
0 | 909 }; |
910 | |
911 | |
912 // Interface to java.lang.ref.SoftReference objects | |
913 | |
914 class java_lang_ref_SoftReference: public java_lang_ref_Reference { | |
915 public: | |
916 enum { | |
917 // The timestamp is a long field and may need to be adjusted for alignment. | |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
918 hc_timestamp_offset = hc_discovered_offset + 1 |
0 | 919 }; |
920 enum { | |
921 hc_static_clock_offset = 0 | |
922 }; | |
923 | |
924 static int timestamp_offset; | |
925 static int static_clock_offset; | |
926 | |
927 // Accessors | |
928 static jlong timestamp(oop ref); | |
929 | |
930 // Accessors for statics | |
931 static jlong clock(); | |
932 static void set_clock(jlong value); | |
933 }; | |
934 | |
935 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
936 // Interface to java.lang.invoke.MethodHandle objects |
710 | 937 |
938 class MethodHandleEntry; | |
939 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
940 class java_lang_invoke_MethodHandle: AllStatic { |
710 | 941 friend class JavaClasses; |
942 | |
943 private: | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
944 static int _type_offset; // the MethodType of this MH |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
945 static int _form_offset; // the LambdaForm of this MH |
710 | 946 |
947 static void compute_offsets(); | |
948 | |
949 public: | |
950 // Accessors | |
951 static oop type(oop mh); | |
952 static void set_type(oop mh, oop mtype); | |
953 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
954 static oop form(oop mh); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
955 static void set_form(oop mh, oop lform); |
710 | 956 |
957 // Testers | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
958 static bool is_subclass(Klass* klass) { |
6983 | 959 return klass->is_subclass_of(SystemDictionary::MethodHandle_klass()); |
710 | 960 } |
961 static bool is_instance(oop obj) { | |
962 return obj != NULL && is_subclass(obj->klass()); | |
963 } | |
964 | |
965 // Accessors for code generation: | |
966 static int type_offset_in_bytes() { return _type_offset; } | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
967 static int form_offset_in_bytes() { return _form_offset; } |
710 | 968 }; |
969 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
970 // Interface to java.lang.invoke.LambdaForm objects |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
971 // (These are a private interface for managing adapter code generation.) |
3938 | 972 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
973 class java_lang_invoke_LambdaForm: AllStatic { |
710 | 974 friend class JavaClasses; |
975 | |
976 private: | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
977 static int _vmentry_offset; // type is MemberName |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
978 |
710 | 979 static void compute_offsets(); |
980 | |
981 public: | |
982 // Accessors | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
983 static oop vmentry(oop lform); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
984 static void set_vmentry(oop lform, oop invoker); |
710 | 985 |
986 // Testers | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
987 static bool is_subclass(Klass* klass) { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
988 return SystemDictionary::LambdaForm_klass() != NULL && |
6983 | 989 klass->is_subclass_of(SystemDictionary::LambdaForm_klass()); |
710 | 990 } |
991 static bool is_instance(oop obj) { | |
992 return obj != NULL && is_subclass(obj->klass()); | |
993 } | |
994 | |
995 // Accessors for code generation: | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
996 static int vmentry_offset_in_bytes() { return _vmentry_offset; } |
710 | 997 }; |
998 | |
3905
c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
3820
diff
changeset
|
999 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1000 // Interface to java.lang.invoke.MemberName objects |
710 | 1001 // (These are a private interface for Java code to query the class hierarchy.) |
1002 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1003 #define MEMBERNAME_INJECTED_FIELDS(macro) \ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1004 macro(java_lang_invoke_MemberName, vmloader, object_signature, false) \ |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1005 macro(java_lang_invoke_MemberName, vmindex, intptr_signature, false) \ |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1006 macro(java_lang_invoke_MemberName, vmtarget, intptr_signature, false) |
3938 | 1007 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1008 class java_lang_invoke_MemberName: AllStatic { |
710 | 1009 friend class JavaClasses; |
1010 | |
1011 private: | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1012 // From java.lang.invoke.MemberName: |
710 | 1013 // private Class<?> clazz; // class in which the method is defined |
1014 // private String name; // may be null if not yet materialized | |
1015 // private Object type; // may be null if not yet materialized | |
1016 // private int flags; // modifier bits; see reflect.Modifier | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1017 // private intptr vmtarget; // VM-specific target value |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1018 // private intptr_t vmindex; // member index within class or interface |
710 | 1019 static int _clazz_offset; |
1020 static int _name_offset; | |
1021 static int _type_offset; | |
1022 static int _flags_offset; | |
1023 static int _vmtarget_offset; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1024 static int _vmloader_offset; |
710 | 1025 static int _vmindex_offset; |
1026 | |
1027 static void compute_offsets(); | |
1028 | |
1029 public: | |
1030 // Accessors | |
1031 static oop clazz(oop mname); | |
1032 static void set_clazz(oop mname, oop clazz); | |
1033 | |
1034 static oop type(oop mname); | |
1035 static void set_type(oop mname, oop type); | |
1036 | |
1037 static oop name(oop mname); | |
1038 static void set_name(oop mname, oop name); | |
1039 | |
1040 static int flags(oop mname); | |
1041 static void set_flags(oop mname, int flags); | |
1042 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1043 static Metadata* vmtarget(oop mname); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1044 static void set_vmtarget(oop mname, Metadata* target); |
710 | 1045 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1046 static intptr_t vmindex(oop mname); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1047 static void set_vmindex(oop mname, intptr_t index); |
710 | 1048 |
1049 // Testers | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1050 static bool is_subclass(Klass* klass) { |
6983 | 1051 return klass->is_subclass_of(SystemDictionary::MemberName_klass()); |
710 | 1052 } |
1053 static bool is_instance(oop obj) { | |
1054 return obj != NULL && is_subclass(obj->klass()); | |
1055 } | |
1056 | |
1057 // Relevant integer codes (keep these in synch. with MethodHandleNatives.Constants): | |
1058 enum { | |
1059 MN_IS_METHOD = 0x00010000, // method (not constructor) | |
1060 MN_IS_CONSTRUCTOR = 0x00020000, // constructor | |
1061 MN_IS_FIELD = 0x00040000, // field | |
1062 MN_IS_TYPE = 0x00080000, // nested type | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1063 MN_REFERENCE_KIND_SHIFT = 24, // refKind |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1064 MN_REFERENCE_KIND_MASK = 0x0F000000 >> MN_REFERENCE_KIND_SHIFT, |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1065 // The SEARCH_* bits are not for MN.flags but for the matchFlags argument of MHN.getMembers: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1066 MN_SEARCH_SUPERCLASSES = 0x00100000, // walk super classes |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1067 MN_SEARCH_INTERFACES = 0x00200000 // walk implemented interfaces |
710 | 1068 }; |
1069 | |
1070 // Accessors for code generation: | |
1071 static int clazz_offset_in_bytes() { return _clazz_offset; } | |
1072 static int type_offset_in_bytes() { return _type_offset; } | |
1073 static int name_offset_in_bytes() { return _name_offset; } | |
1074 static int flags_offset_in_bytes() { return _flags_offset; } | |
1075 static int vmtarget_offset_in_bytes() { return _vmtarget_offset; } | |
1076 static int vmindex_offset_in_bytes() { return _vmindex_offset; } | |
1077 }; | |
1078 | |
1079 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1080 // Interface to java.lang.invoke.MethodType objects |
710 | 1081 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1082 class java_lang_invoke_MethodType: AllStatic { |
710 | 1083 friend class JavaClasses; |
1084 | |
1085 private: | |
1086 static int _rtype_offset; | |
1087 static int _ptypes_offset; | |
1088 | |
1089 static void compute_offsets(); | |
1090 | |
1091 public: | |
1092 // Accessors | |
1093 static oop rtype(oop mt); | |
1094 static objArrayOop ptypes(oop mt); | |
1095 | |
1096 static oop ptype(oop mt, int index); | |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1059
diff
changeset
|
1097 static int ptype_count(oop mt); |
710 | 1098 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1099 static int ptype_slot_count(oop mt); // extra counts for long/double |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1100 static int rtype_slot_count(oop mt); // extra counts for long/double |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1101 |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1102 static Symbol* as_signature(oop mt, bool intern_if_not_found, TRAPS); |
710 | 1103 static void print_signature(oop mt, outputStream* st); |
1104 | |
1105 static bool is_instance(oop obj) { | |
1106 return obj != NULL && obj->klass() == SystemDictionary::MethodType_klass(); | |
1107 } | |
1108 | |
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
1109 static bool equals(oop mt1, oop mt2); |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
1110 |
710 | 1111 // Accessors for code generation: |
1112 static int rtype_offset_in_bytes() { return _rtype_offset; } | |
1113 static int ptypes_offset_in_bytes() { return _ptypes_offset; } | |
1114 }; | |
1115 | |
1116 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1117 // Interface to java.lang.invoke.CallSite objects |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1118 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1119 class java_lang_invoke_CallSite: AllStatic { |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1120 friend class JavaClasses; |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1121 |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1122 private: |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1123 static int _target_offset; |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1124 |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1125 static void compute_offsets(); |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1126 |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1127 public: |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1128 // Accessors |
3932
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
1129 static oop target( oop site) { return site->obj_field( _target_offset); } |
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
1130 static void set_target( oop site, oop target) { site->obj_field_put( _target_offset, target); } |
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
1131 |
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
1132 static volatile oop target_volatile(oop site) { return site->obj_field_volatile( _target_offset); } |
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
1133 static void set_target_volatile(oop site, oop target) { site->obj_field_put_volatile(_target_offset, target); } |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1134 |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1135 // Testers |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1136 static bool is_subclass(Klass* klass) { |
6983 | 1137 return klass->is_subclass_of(SystemDictionary::CallSite_klass()); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1138 } |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1139 static bool is_instance(oop obj) { |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1140 return obj != NULL && is_subclass(obj->klass()); |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1141 } |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1142 |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1143 // Accessors for code generation: |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1144 static int target_offset_in_bytes() { return _target_offset; } |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1145 }; |
710 | 1146 |
1147 | |
0 | 1148 // Interface to java.security.AccessControlContext objects |
1149 | |
1150 class java_security_AccessControlContext: AllStatic { | |
1151 private: | |
1152 // Note that for this class the layout changed between JDK1.2 and JDK1.3, | |
1153 // so we compute the offsets at startup rather than hard-wiring them. | |
1154 static int _context_offset; | |
1155 static int _privilegedContext_offset; | |
1156 static int _isPrivileged_offset; | |
1157 | |
1158 static void compute_offsets(); | |
1159 public: | |
1160 static oop create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS); | |
1161 | |
1162 // Debugging/initialization | |
1163 friend class JavaClasses; | |
1164 }; | |
1165 | |
1166 | |
1167 // Interface to java.lang.ClassLoader objects | |
1168 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1169 #define CLASSLOADER_INJECTED_FIELDS(macro) \ |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
6985
diff
changeset
|
1170 macro(java_lang_ClassLoader, loader_data, intptr_signature, false) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1171 |
0 | 1172 class java_lang_ClassLoader : AllStatic { |
1173 private: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1174 // The fake offsets are added by the class loader when java.lang.Class is loaded |
0 | 1175 enum { |
1176 hc_parent_offset = 0 | |
1177 }; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1178 static int _loader_data_offset; |
3938 | 1179 static bool offsets_computed; |
0 | 1180 static int parent_offset; |
3938 | 1181 static int parallelCapable_offset; |
1182 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1183 public: |
3938 | 1184 static void compute_offsets(); |
0 | 1185 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1186 static ClassLoaderData** loader_data_addr(oop loader); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1187 static ClassLoaderData* loader_data(oop loader); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1188 |
0 | 1189 static oop parent(oop loader); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1190 static bool isAncestor(oop loader, oop cl); |
0 | 1191 |
3938 | 1192 // Support for parallelCapable field |
1193 static bool parallelCapable(oop the_class_mirror); | |
1194 | |
0 | 1195 static bool is_trusted_loader(oop loader); |
1196 | |
1197 // Fix for 4474172 | |
1198 static oop non_reflection_class_loader(oop loader); | |
1199 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1200 // Testers |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1201 static bool is_subclass(Klass* klass) { |
6983 | 1202 return klass->is_subclass_of(SystemDictionary::ClassLoader_klass()); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1203 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1204 static bool is_instance(oop obj) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1205 return obj != NULL && is_subclass(obj->klass()); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1206 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1207 |
0 | 1208 // Debugging |
1209 friend class JavaClasses; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1210 friend class ClassFileParser; // access to number_of_fake_fields |
0 | 1211 }; |
1212 | |
1213 | |
1214 // Interface to java.lang.System objects | |
1215 | |
1216 class java_lang_System : AllStatic { | |
1217 private: | |
1218 enum { | |
1219 hc_static_in_offset = 0, | |
1220 hc_static_out_offset = 1, | |
1221 hc_static_err_offset = 2 | |
1222 }; | |
1223 | |
1224 static int static_in_offset; | |
1225 static int static_out_offset; | |
1226 static int static_err_offset; | |
1227 | |
1228 public: | |
1229 static int in_offset_in_bytes(); | |
1230 static int out_offset_in_bytes(); | |
1231 static int err_offset_in_bytes(); | |
1232 | |
1233 // Debugging | |
1234 friend class JavaClasses; | |
1235 }; | |
1236 | |
1237 | |
1238 // Interface to java.lang.StackTraceElement objects | |
1239 | |
1240 class java_lang_StackTraceElement: AllStatic { | |
1241 private: | |
1242 enum { | |
1243 hc_declaringClass_offset = 0, | |
1244 hc_methodName_offset = 1, | |
1245 hc_fileName_offset = 2, | |
1246 hc_lineNumber_offset = 3 | |
1247 }; | |
1248 | |
1249 static int declaringClass_offset; | |
1250 static int methodName_offset; | |
1251 static int fileName_offset; | |
1252 static int lineNumber_offset; | |
1253 | |
1254 public: | |
1255 // Setters | |
1256 static void set_declaringClass(oop element, oop value); | |
1257 static void set_methodName(oop element, oop value); | |
1258 static void set_fileName(oop element, oop value); | |
1259 static void set_lineNumber(oop element, int value); | |
1260 | |
1261 // Create an instance of StackTraceElement | |
7624
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
7462
diff
changeset
|
1262 static oop create(Handle mirror, int method, int version, int bci, TRAPS); |
b14da2e6f2dc
7174978: NPG: Fix bactrace builder for class redefinition
coleenp
parents:
7462
diff
changeset
|
1263 static oop create(methodHandle method, int bci, TRAPS); |
0 | 1264 |
1265 // Debugging | |
1266 friend class JavaClasses; | |
1267 }; | |
1268 | |
1269 | |
1270 // Interface to java.lang.AssertionStatusDirectives objects | |
1271 | |
1272 class java_lang_AssertionStatusDirectives: AllStatic { | |
1273 private: | |
1274 enum { | |
1275 hc_classes_offset, | |
1276 hc_classEnabled_offset, | |
1277 hc_packages_offset, | |
1278 hc_packageEnabled_offset, | |
1279 hc_deflt_offset | |
1280 }; | |
1281 | |
1282 static int classes_offset; | |
1283 static int classEnabled_offset; | |
1284 static int packages_offset; | |
1285 static int packageEnabled_offset; | |
1286 static int deflt_offset; | |
1287 | |
1288 public: | |
1289 // Setters | |
1290 static void set_classes(oop obj, oop val); | |
1291 static void set_classEnabled(oop obj, oop val); | |
1292 static void set_packages(oop obj, oop val); | |
1293 static void set_packageEnabled(oop obj, oop val); | |
1294 static void set_deflt(oop obj, bool val); | |
1295 // Debugging | |
1296 friend class JavaClasses; | |
1297 }; | |
1298 | |
1299 | |
1300 class java_nio_Buffer: AllStatic { | |
1301 private: | |
1302 static int _limit_offset; | |
1303 | |
1304 public: | |
1305 static int limit_offset(); | |
1306 static void compute_offsets(); | |
1307 }; | |
1308 | |
1309 class java_util_concurrent_locks_AbstractOwnableSynchronizer : AllStatic { | |
1310 private: | |
1311 static int _owner_offset; | |
1312 public: | |
1313 static void initialize(TRAPS); | |
1314 static oop get_owner_threadObj(oop obj); | |
1315 }; | |
1316 | |
3938 | 1317 // Use to declare fields that need to be injected into Java classes |
1318 // for the JVM to use. The name_index and signature_index are | |
1319 // declared in vmSymbols. The may_be_java flag is used to declare | |
1320 // fields that might already exist in Java but should be injected if | |
1321 // they don't. Otherwise the field is unconditionally injected and | |
1322 // the JVM uses the injected one. This is to ensure that name | |
1323 // collisions don't occur. In general may_be_java should be false | |
1324 // unless there's a good reason. | |
1325 | |
1326 class InjectedField { | |
1327 public: | |
1328 const SystemDictionary::WKID klass_id; | |
1329 const vmSymbols::SID name_index; | |
1330 const vmSymbols::SID signature_index; | |
1331 const bool may_be_java; | |
1332 | |
1333 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1334 Klass* klass() const { return SystemDictionary::well_known_klass(klass_id); } |
3938 | 1335 Symbol* name() const { return lookup_symbol(name_index); } |
1336 Symbol* signature() const { return lookup_symbol(signature_index); } | |
1337 | |
1338 int compute_offset(); | |
1339 | |
1340 // Find the Symbol for this index | |
1341 static Symbol* lookup_symbol(int symbol_index) { | |
1342 return vmSymbols::symbol_at((vmSymbols::SID)symbol_index); | |
1343 } | |
1344 }; | |
1345 | |
1346 #define DECLARE_INJECTED_FIELD_ENUM(klass, name, signature, may_be_java) \ | |
1347 klass##_##name##_enum, | |
1348 | |
1349 #define ALL_INJECTED_FIELDS(macro) \ | |
1350 CLASS_INJECTED_FIELDS(macro) \ | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1351 CLASSLOADER_INJECTED_FIELDS(macro) \ |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1352 MEMBERNAME_INJECTED_FIELDS(macro) |
3938 | 1353 |
0 | 1354 // Interface to hard-coded offset checking |
1355 | |
1356 class JavaClasses : AllStatic { | |
1357 private: | |
3938 | 1358 |
1359 static InjectedField _injected_fields[]; | |
1360 | |
0 | 1361 static bool check_offset(const char *klass_name, int offset, const char *field_name, const char* field_sig) PRODUCT_RETURN0; |
1362 static bool check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) PRODUCT_RETURN0; | |
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1363 static bool check_constant(const char *klass_name, int constant, const char *field_name, const char* field_sig) PRODUCT_RETURN0; |
3938 | 1364 |
0 | 1365 public: |
3938 | 1366 enum InjectedFieldID { |
1367 ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD_ENUM) | |
1368 MAX_enum | |
1369 }; | |
1370 | |
1371 static int compute_injected_offset(InjectedFieldID id); | |
1372 | |
0 | 1373 static void compute_hard_coded_offsets(); |
1374 static void compute_offsets(); | |
1375 static void check_offsets() PRODUCT_RETURN; | |
3938 | 1376 |
1377 static InjectedField* get_injected(Symbol* class_name, int* field_count); | |
0 | 1378 }; |
1972 | 1379 |
3938 | 1380 #undef DECLARE_INJECTED_FIELD_ENUM |
1381 | |
1972 | 1382 #endif // SHARE_VM_CLASSFILE_JAVACLASSES_HPP |