Mercurial > hg > graal-compiler
annotate src/share/vm/classfile/javaClasses.hpp @ 6948:e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Mon, 12 Nov 2012 23:14:12 +0100 |
| parents | 957c266d8bc5 da91efe96a93 |
| children | 2cb439954abf |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 6057 | 2 * Copyright (c) 1997, 2012, 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); |
| 157 | |
|
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
158 // Compute the hash value for a java.lang.String object which would |
| 6162 | 159 // contain the characters passed in. |
|
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
160 // |
| 6162 | 161 // As the hash value used by the String object itself, in |
| 162 // String.hashCode(). This value is normally calculated in Java code | |
| 163 // in the String.hashCode method(), but is precomputed for String | |
| 164 // objects in the shared archive file. | |
| 165 // hash P(31) from Kernighan & Ritchie | |
|
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
166 // |
| 6162 | 167 // For this reason, THIS ALGORITHM MUST MATCH String.toHash(). |
| 168 template <typename T> static unsigned int to_hash(T* s, int len) { | |
|
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
169 unsigned int h = 0; |
|
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
170 while (len-- > 0) { |
|
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
171 h = 31*h + (unsigned int) *s; |
|
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
172 s++; |
|
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
173 } |
|
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
174 return h; |
|
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
175 } |
| 6162 | 176 static unsigned int to_hash(oop java_string); |
| 177 | |
| 178 // This is the string hash code used by the StringTable, which may be | |
| 179 // the same as String.toHash or an alternate hash code. | |
|
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2376
diff
changeset
|
180 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
|
181 |
| 0 | 182 static bool equals(oop java_string, jchar* chars, int len); |
| 183 | |
| 184 // Conversion between '.' and '/' formats | |
| 185 static Handle externalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '/', '.', THREAD); } | |
| 186 static Handle internalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '.', '/', THREAD); } | |
| 187 | |
| 188 // Conversion | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
189 static Symbol* as_symbol(Handle java_string, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
190 static Symbol* as_symbol_or_null(oop java_string); |
| 0 | 191 |
| 192 // Testers | |
| 193 static bool is_instance(oop obj) { | |
| 1142 | 194 return obj != NULL && obj->klass() == SystemDictionary::String_klass(); |
| 0 | 195 } |
| 196 | |
| 197 // Debugging | |
| 198 static void print(Handle java_string, outputStream* st); | |
| 199 friend class JavaClasses; | |
| 200 }; | |
| 201 | |
| 202 | |
| 203 // Interface to java.lang.Class objects | |
| 204 | |
| 3938 | 205 #define CLASS_INJECTED_FIELDS(macro) \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
206 macro(java_lang_Class, klass, intptr_signature, false) \ |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
207 GRAAL_ONLY(macro(java_lang_Class, graal_mirror, object_signature, false))\ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
208 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
|
209 macro(java_lang_Class, array_klass, intptr_signature, false) \ |
| 3938 | 210 macro(java_lang_Class, oop_size, int_signature, false) \ |
| 211 macro(java_lang_Class, static_oop_field_count, int_signature, false) | |
| 212 | |
| 0 | 213 class java_lang_Class : AllStatic { |
| 3938 | 214 friend class VMStructs; |
| 215 | |
| 0 | 216 private: |
| 217 // The fake offsets are added by the class loader when java.lang.Class is loaded | |
| 218 | |
| 3938 | 219 static int _klass_offset; |
| 220 static int _resolved_constructor_offset; | |
| 221 static int _array_klass_offset; | |
| 0 | 222 |
| 3938 | 223 static int _oop_size_offset; |
| 224 static int _static_oop_field_count_offset; | |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
225 #ifdef GRAAL |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
226 static int _graal_mirror_offset; |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
227 #endif |
| 0 | 228 |
| 229 static bool offsets_computed; | |
| 230 static int classRedefinedCount_offset; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
231 static GrowableArray<Klass*>* _fixup_mirror_list; |
| 0 | 232 |
| 233 public: | |
| 3938 | 234 static void compute_offsets(); |
| 235 | |
| 0 | 236 // Instance creation |
| 237 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
|
238 static void fixup_mirror(KlassHandle k, TRAPS); |
| 0 | 239 static oop create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS); |
| 240 // Conversion | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
241 static Klass* as_Klass(oop java_class); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
242 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
|
243 static BasicType as_BasicType(oop java_class, Klass** reference_klass = NULL); |
| 710 | 244 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
|
245 Klass* refk_oop = NULL; |
| 710 | 246 BasicType result = as_BasicType(java_class, &refk_oop); |
| 247 (*reference_klass) = KlassHandle(refk_oop); | |
| 248 return result; | |
| 249 } | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
250 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
|
251 static void print_signature(oop java_class, outputStream *st); |
| 0 | 252 // Testing |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
253 static bool is_instance(oop obj) { |
| 1142 | 254 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
|
255 } |
| 0 | 256 static bool is_primitive(oop java_class); |
| 257 static BasicType primitive_type(oop java_class); | |
| 258 static oop primitive_mirror(BasicType t); | |
| 259 // JVM_NewInstance support | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
260 static Method* resolved_constructor(oop java_class); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
261 static void set_resolved_constructor(oop java_class, Method* constructor); |
| 0 | 262 // JVM_NewArray support |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
263 static Klass* array_klass(oop java_class); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
264 static void set_array_klass(oop java_class, Klass* klass); |
| 0 | 265 // compiler support for class operations |
| 3938 | 266 static int klass_offset_in_bytes() { return _klass_offset; } |
| 267 static int resolved_constructor_offset_in_bytes() { return _resolved_constructor_offset; } | |
| 268 static int array_klass_offset_in_bytes() { return _array_klass_offset; } | |
| 0 | 269 // Support for classRedefinedCount field |
| 270 static int classRedefinedCount(oop the_class_mirror); | |
| 271 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
|
272 |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
273 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
|
274 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
|
275 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
|
276 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
|
277 |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
278 #ifdef GRAAL |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
279 static oop graal_mirror(oop java_class); |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
280 static int graal_mirror_offset_in_bytes() { return _graal_mirror_offset; } |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
281 #endif |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
282 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
283 static GrowableArray<Klass*>* fixup_mirror_list() { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
284 return _fixup_mirror_list; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
285 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
286 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
|
287 _fixup_mirror_list = v; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
288 } |
| 0 | 289 // Debugging |
| 290 friend class JavaClasses; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
291 friend class InstanceKlass; // verification code accesses offsets |
| 0 | 292 friend class ClassFileParser; // access to number_of_fake_fields |
| 293 }; | |
| 294 | |
| 295 // Interface to java.lang.Thread objects | |
| 296 | |
| 297 class java_lang_Thread : AllStatic { | |
| 298 private: | |
| 299 // Note that for this class the layout changed between JDK1.2 and JDK1.3, | |
| 300 // so we compute the offsets at startup rather than hard-wiring them. | |
| 301 static int _name_offset; | |
| 302 static int _group_offset; | |
| 303 static int _contextClassLoader_offset; | |
| 304 static int _inheritedAccessControlContext_offset; | |
| 305 static int _priority_offset; | |
| 306 static int _eetop_offset; | |
| 307 static int _daemon_offset; | |
| 308 static int _stillborn_offset; | |
| 309 static int _stackSize_offset; | |
| 310 static int _tid_offset; | |
| 311 static int _thread_status_offset; | |
| 312 static int _park_blocker_offset; | |
| 313 static int _park_event_offset ; | |
| 314 | |
| 315 static void compute_offsets(); | |
| 316 | |
| 317 public: | |
| 318 // Instance creation | |
| 319 static oop create(); | |
|
5747
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4009
diff
changeset
|
320 static int java_thread_offset_in_bytes() { return _eetop_offset; } |
| 0 | 321 // Returns the JavaThread associated with the thread obj |
| 322 static JavaThread* thread(oop java_thread); | |
| 323 // Set JavaThread for instance | |
| 324 static void set_thread(oop java_thread, JavaThread* thread); | |
| 325 // Name | |
| 326 static typeArrayOop name(oop java_thread); | |
| 327 static void set_name(oop java_thread, typeArrayOop name); | |
| 328 // Priority | |
| 329 static ThreadPriority priority(oop java_thread); | |
| 330 static void set_priority(oop java_thread, ThreadPriority priority); | |
| 331 // Thread group | |
| 332 static oop threadGroup(oop java_thread); | |
| 333 // Stillborn | |
| 334 static bool is_stillborn(oop java_thread); | |
| 335 static void set_stillborn(oop java_thread); | |
| 336 // Alive (NOTE: this is not really a field, but provides the correct | |
| 337 // definition without doing a Java call) | |
| 338 static bool is_alive(oop java_thread); | |
| 339 // Daemon | |
| 340 static bool is_daemon(oop java_thread); | |
| 341 static void set_daemon(oop java_thread); | |
| 342 // Context ClassLoader | |
| 343 static oop context_class_loader(oop java_thread); | |
| 344 // Control context | |
| 345 static oop inherited_access_control_context(oop java_thread); | |
| 346 // Stack size hint | |
| 347 static jlong stackSize(oop java_thread); | |
| 348 // Thread ID | |
| 349 static jlong thread_id(oop java_thread); | |
| 350 | |
| 351 // Blocker object responsible for thread parking | |
| 352 static oop park_blocker(oop java_thread); | |
| 353 | |
| 354 // Pointer to type-stable park handler, encoded as jlong. | |
| 355 // Should be set when apparently null | |
| 356 // For details, see unsafe.cpp Unsafe_Unpark | |
| 357 static jlong park_event(oop java_thread); | |
| 358 static bool set_park_event(oop java_thread, jlong ptr); | |
| 359 | |
| 360 // Java Thread Status for JVMTI and M&M use. | |
| 361 // This thread status info is saved in threadStatus field of | |
| 362 // java.lang.Thread java class. | |
| 363 enum ThreadStatus { | |
| 364 NEW = 0, | |
| 365 RUNNABLE = JVMTI_THREAD_STATE_ALIVE + // runnable / running | |
| 366 JVMTI_THREAD_STATE_RUNNABLE, | |
| 367 SLEEPING = JVMTI_THREAD_STATE_ALIVE + // Thread.sleep() | |
| 368 JVMTI_THREAD_STATE_WAITING + | |
| 369 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT + | |
| 370 JVMTI_THREAD_STATE_SLEEPING, | |
| 371 IN_OBJECT_WAIT = JVMTI_THREAD_STATE_ALIVE + // Object.wait() | |
| 372 JVMTI_THREAD_STATE_WAITING + | |
| 373 JVMTI_THREAD_STATE_WAITING_INDEFINITELY + | |
| 374 JVMTI_THREAD_STATE_IN_OBJECT_WAIT, | |
| 375 IN_OBJECT_WAIT_TIMED = JVMTI_THREAD_STATE_ALIVE + // Object.wait(long) | |
| 376 JVMTI_THREAD_STATE_WAITING + | |
| 377 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT + | |
| 378 JVMTI_THREAD_STATE_IN_OBJECT_WAIT, | |
| 379 PARKED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park() | |
| 380 JVMTI_THREAD_STATE_WAITING + | |
| 381 JVMTI_THREAD_STATE_WAITING_INDEFINITELY + | |
| 382 JVMTI_THREAD_STATE_PARKED, | |
| 383 PARKED_TIMED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park(long) | |
| 384 JVMTI_THREAD_STATE_WAITING + | |
| 385 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT + | |
| 386 JVMTI_THREAD_STATE_PARKED, | |
| 387 BLOCKED_ON_MONITOR_ENTER = JVMTI_THREAD_STATE_ALIVE + // (re-)entering a synchronization block | |
| 388 JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER, | |
| 389 TERMINATED = JVMTI_THREAD_STATE_TERMINATED | |
| 390 }; | |
| 391 // Write thread status info to threadStatus field of java.lang.Thread. | |
| 392 static void set_thread_status(oop java_thread_oop, ThreadStatus status); | |
| 393 // Read thread status info from threadStatus field of java.lang.Thread. | |
| 394 static ThreadStatus get_thread_status(oop java_thread_oop); | |
| 395 | |
| 396 static const char* thread_status_name(oop java_thread_oop); | |
| 397 | |
| 398 // Debugging | |
| 399 friend class JavaClasses; | |
| 400 }; | |
| 401 | |
| 402 // Interface to java.lang.ThreadGroup objects | |
| 403 | |
| 404 class java_lang_ThreadGroup : AllStatic { | |
| 405 private: | |
| 406 static int _parent_offset; | |
| 407 static int _name_offset; | |
| 408 static int _threads_offset; | |
| 409 static int _groups_offset; | |
| 410 static int _maxPriority_offset; | |
| 411 static int _destroyed_offset; | |
| 412 static int _daemon_offset; | |
| 413 static int _vmAllowSuspension_offset; | |
| 414 static int _nthreads_offset; | |
| 415 static int _ngroups_offset; | |
| 416 | |
| 417 static void compute_offsets(); | |
| 418 | |
| 419 public: | |
| 420 // parent ThreadGroup | |
| 421 static oop parent(oop java_thread_group); | |
| 422 // name | |
| 423 static typeArrayOop name(oop java_thread_group); | |
| 424 // ("name as oop" accessor is not necessary) | |
| 425 // Number of threads in group | |
| 426 static int nthreads(oop java_thread_group); | |
| 427 // threads | |
| 428 static objArrayOop threads(oop java_thread_group); | |
| 429 // Number of threads in group | |
| 430 static int ngroups(oop java_thread_group); | |
| 431 // groups | |
| 432 static objArrayOop groups(oop java_thread_group); | |
| 433 // maxPriority in group | |
| 434 static ThreadPriority maxPriority(oop java_thread_group); | |
| 435 // Destroyed | |
| 436 static bool is_destroyed(oop java_thread_group); | |
| 437 // Daemon | |
| 438 static bool is_daemon(oop java_thread_group); | |
| 439 // vmAllowSuspension | |
| 440 static bool is_vmAllowSuspension(oop java_thread_group); | |
| 441 // Debugging | |
| 442 friend class JavaClasses; | |
| 443 }; | |
| 444 | |
| 445 | |
| 446 | |
| 447 // Interface to java.lang.Throwable objects | |
| 448 | |
| 449 class java_lang_Throwable: AllStatic { | |
| 450 friend class BacktraceBuilder; | |
| 451 | |
| 452 private: | |
| 453 // Offsets | |
| 454 enum { | |
| 455 hc_backtrace_offset = 0, | |
| 456 hc_detailMessage_offset = 1, | |
| 457 hc_cause_offset = 2, // New since 1.4 | |
| 458 hc_stackTrace_offset = 3 // New since 1.4 | |
| 459 }; | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3461
diff
changeset
|
460 enum { |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3461
diff
changeset
|
461 hc_static_unassigned_stacktrace_offset = 0 // New since 1.7 |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3461
diff
changeset
|
462 }; |
| 0 | 463 // Trace constants |
| 464 enum { | |
| 465 trace_methods_offset = 0, | |
| 466 trace_bcis_offset = 1, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
467 trace_mirrors_offset = 2, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
468 trace_next_offset = 3, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
469 trace_size = 4, |
| 0 | 470 trace_chunk_size = 32 |
| 471 }; | |
| 472 | |
| 473 static int backtrace_offset; | |
| 474 static int detailMessage_offset; | |
| 475 static int cause_offset; | |
| 476 static int stackTrace_offset; | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3461
diff
changeset
|
477 static int static_unassigned_stacktrace_offset; |
| 0 | 478 |
| 479 // Printing | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
480 static char* print_stack_element_to_buffer(Method* method, int bci); |
| 0 | 481 static void print_to_stream(Handle stream, const char* str); |
| 482 // StackTrace (programmatic access, new since 1.4) | |
| 483 static void clear_stacktrace(oop throwable); | |
| 484 // No stack trace available | |
| 485 static const char* no_stack_trace_message(); | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3461
diff
changeset
|
486 // 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:
3461
diff
changeset
|
487 static void set_stacktrace(oop throwable, oop st_element_array); |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3461
diff
changeset
|
488 static oop unassigned_stacktrace(); |
| 0 | 489 |
| 490 public: | |
| 491 // Backtrace | |
| 492 static oop backtrace(oop throwable); | |
| 493 static void set_backtrace(oop throwable, oop value); | |
| 494 // Needed by JVMTI to filter out this internal field. | |
| 495 static int get_backtrace_offset() { return backtrace_offset;} | |
| 496 static int get_detailMessage_offset() { return detailMessage_offset;} | |
| 497 // Message | |
| 498 static oop message(oop throwable); | |
| 499 static oop message(Handle throwable); | |
| 500 static void set_message(oop throwable, oop value); | |
| 501 // Print stack trace stored in exception by call-back to Java | |
| 502 // Note: this is no longer used in Merlin, but we still suppport | |
| 503 // it for compatibility. | |
| 504 static void print_stack_trace(oop throwable, oop print_stream); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
505 static void print_stack_element(Handle stream, Method* method, int bci); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
506 static void print_stack_element(outputStream *st, Method* method, int bci); |
| 0 | 507 static void print_stack_usage(Handle stream); |
| 508 | |
| 509 // Allocate space for backtrace (created but stack trace not filled in) | |
| 510 static void allocate_backtrace(Handle throwable, TRAPS); | |
| 511 // Fill in current stack trace for throwable with preallocated backtrace (no GC) | |
| 512 static void fill_in_stack_trace_of_preallocated_backtrace(Handle throwable); | |
| 513 // Fill in current stack trace, can cause GC | |
|
3272
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2418
diff
changeset
|
514 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
|
515 static void fill_in_stack_trace(Handle throwable, methodHandle method = methodHandle()); |
| 0 | 516 // Programmatic access to stack trace |
| 517 static oop get_stack_trace_element(oop throwable, int index, TRAPS); | |
| 518 static int get_stack_trace_depth(oop throwable, TRAPS); | |
| 519 // Printing | |
| 520 static void print(oop throwable, outputStream* st); | |
| 521 static void print(Handle throwable, outputStream* st); | |
| 522 static void print_stack_trace(oop throwable, outputStream* st); | |
| 523 // Debugging | |
| 524 friend class JavaClasses; | |
| 525 }; | |
| 526 | |
| 527 | |
| 528 // Interface to java.lang.reflect.AccessibleObject objects | |
| 529 | |
| 530 class java_lang_reflect_AccessibleObject: AllStatic { | |
| 531 private: | |
| 532 // Note that to reduce dependencies on the JDK we compute these | |
| 533 // offsets at run-time. | |
| 534 static int override_offset; | |
| 535 | |
| 536 static void compute_offsets(); | |
| 537 | |
| 538 public: | |
| 539 // Accessors | |
| 540 static jboolean override(oop reflect); | |
| 541 static void set_override(oop reflect, jboolean value); | |
| 542 | |
| 543 // Debugging | |
| 544 friend class JavaClasses; | |
| 545 }; | |
| 546 | |
| 547 | |
| 548 // Interface to java.lang.reflect.Method objects | |
| 549 | |
| 550 class java_lang_reflect_Method : public java_lang_reflect_AccessibleObject { | |
| 551 private: | |
| 552 // Note that to reduce dependencies on the JDK we compute these | |
| 553 // offsets at run-time. | |
| 554 static int clazz_offset; | |
| 555 static int name_offset; | |
| 556 static int returnType_offset; | |
| 557 static int parameterTypes_offset; | |
| 558 static int exceptionTypes_offset; | |
| 559 static int slot_offset; | |
| 560 static int modifiers_offset; | |
| 561 static int signature_offset; | |
| 562 static int annotations_offset; | |
| 563 static int parameter_annotations_offset; | |
| 564 static int annotation_default_offset; | |
| 565 | |
| 566 static void compute_offsets(); | |
| 567 | |
| 568 public: | |
| 569 // Allocation | |
| 570 static Handle create(TRAPS); | |
| 571 | |
| 572 // Accessors | |
| 573 static oop clazz(oop reflect); | |
| 574 static void set_clazz(oop reflect, oop value); | |
| 575 | |
| 576 static oop name(oop method); | |
| 577 static void set_name(oop method, oop value); | |
| 578 | |
| 579 static oop return_type(oop method); | |
| 580 static void set_return_type(oop method, oop value); | |
| 581 | |
| 582 static oop parameter_types(oop method); | |
| 583 static void set_parameter_types(oop method, oop value); | |
| 584 | |
| 585 static oop exception_types(oop method); | |
| 586 static void set_exception_types(oop method, oop value); | |
| 587 | |
| 588 static int slot(oop reflect); | |
| 589 static void set_slot(oop reflect, int value); | |
| 590 | |
| 591 static int modifiers(oop method); | |
| 592 static void set_modifiers(oop method, int value); | |
| 593 | |
| 594 static bool has_signature_field(); | |
| 595 static oop signature(oop method); | |
| 596 static void set_signature(oop method, oop value); | |
| 597 | |
| 598 static bool has_annotations_field(); | |
| 599 static oop annotations(oop method); | |
| 600 static void set_annotations(oop method, oop value); | |
| 601 | |
| 602 static bool has_parameter_annotations_field(); | |
| 603 static oop parameter_annotations(oop method); | |
| 604 static void set_parameter_annotations(oop method, oop value); | |
| 605 | |
| 606 static bool has_annotation_default_field(); | |
| 607 static oop annotation_default(oop method); | |
| 608 static void set_annotation_default(oop method, oop value); | |
| 609 | |
| 610 // Debugging | |
| 611 friend class JavaClasses; | |
| 612 }; | |
| 613 | |
| 614 | |
| 615 // Interface to java.lang.reflect.Constructor objects | |
| 616 | |
| 617 class java_lang_reflect_Constructor : public java_lang_reflect_AccessibleObject { | |
| 618 private: | |
| 619 // Note that to reduce dependencies on the JDK we compute these | |
| 620 // offsets at run-time. | |
| 621 static int clazz_offset; | |
| 622 static int parameterTypes_offset; | |
| 623 static int exceptionTypes_offset; | |
| 624 static int slot_offset; | |
| 625 static int modifiers_offset; | |
| 626 static int signature_offset; | |
| 627 static int annotations_offset; | |
| 628 static int parameter_annotations_offset; | |
| 629 | |
| 630 static void compute_offsets(); | |
| 631 | |
| 632 public: | |
| 633 // Allocation | |
| 634 static Handle create(TRAPS); | |
| 635 | |
| 636 // Accessors | |
| 637 static oop clazz(oop reflect); | |
| 638 static void set_clazz(oop reflect, oop value); | |
| 639 | |
| 640 static oop parameter_types(oop constructor); | |
| 641 static void set_parameter_types(oop constructor, oop value); | |
| 642 | |
| 643 static oop exception_types(oop constructor); | |
| 644 static void set_exception_types(oop constructor, oop value); | |
| 645 | |
| 646 static int slot(oop reflect); | |
| 647 static void set_slot(oop reflect, int value); | |
| 648 | |
| 649 static int modifiers(oop constructor); | |
| 650 static void set_modifiers(oop constructor, int value); | |
| 651 | |
| 652 static bool has_signature_field(); | |
| 653 static oop signature(oop constructor); | |
| 654 static void set_signature(oop constructor, oop value); | |
| 655 | |
| 656 static bool has_annotations_field(); | |
| 657 static oop annotations(oop constructor); | |
| 658 static void set_annotations(oop constructor, oop value); | |
| 659 | |
| 660 static bool has_parameter_annotations_field(); | |
| 661 static oop parameter_annotations(oop method); | |
| 662 static void set_parameter_annotations(oop method, oop value); | |
| 663 | |
| 664 // Debugging | |
| 665 friend class JavaClasses; | |
| 666 }; | |
| 667 | |
| 668 | |
| 669 // Interface to java.lang.reflect.Field objects | |
| 670 | |
| 671 class java_lang_reflect_Field : public java_lang_reflect_AccessibleObject { | |
| 672 private: | |
| 673 // Note that to reduce dependencies on the JDK we compute these | |
| 674 // offsets at run-time. | |
| 675 static int clazz_offset; | |
| 676 static int name_offset; | |
| 677 static int type_offset; | |
| 678 static int slot_offset; | |
| 679 static int modifiers_offset; | |
| 680 static int signature_offset; | |
| 681 static int annotations_offset; | |
| 682 | |
| 683 static void compute_offsets(); | |
| 684 | |
| 685 public: | |
| 686 // Allocation | |
| 687 static Handle create(TRAPS); | |
| 688 | |
| 689 // Accessors | |
| 690 static oop clazz(oop reflect); | |
| 691 static void set_clazz(oop reflect, oop value); | |
| 692 | |
| 693 static oop name(oop field); | |
| 694 static void set_name(oop field, oop value); | |
| 695 | |
| 696 static oop type(oop field); | |
| 697 static void set_type(oop field, oop value); | |
| 698 | |
| 699 static int slot(oop reflect); | |
| 700 static void set_slot(oop reflect, int value); | |
| 701 | |
| 702 static int modifiers(oop field); | |
| 703 static void set_modifiers(oop field, int value); | |
| 704 | |
| 705 static bool has_signature_field(); | |
| 706 static oop signature(oop constructor); | |
| 707 static void set_signature(oop constructor, oop value); | |
| 708 | |
| 709 static bool has_annotations_field(); | |
| 710 static oop annotations(oop constructor); | |
| 711 static void set_annotations(oop constructor, oop value); | |
| 712 | |
| 713 static bool has_parameter_annotations_field(); | |
| 714 static oop parameter_annotations(oop method); | |
| 715 static void set_parameter_annotations(oop method, oop value); | |
| 716 | |
| 717 static bool has_annotation_default_field(); | |
| 718 static oop annotation_default(oop method); | |
| 719 static void set_annotation_default(oop method, oop value); | |
| 720 | |
| 721 // Debugging | |
| 722 friend class JavaClasses; | |
| 723 }; | |
| 724 | |
| 725 // Interface to sun.reflect.ConstantPool objects | |
| 726 class sun_reflect_ConstantPool { | |
| 727 private: | |
| 728 // Note that to reduce dependencies on the JDK we compute these | |
| 729 // offsets at run-time. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
730 static int _oop_offset; |
| 0 | 731 |
| 732 static void compute_offsets(); | |
| 733 | |
| 734 public: | |
| 735 // Allocation | |
| 736 static Handle create(TRAPS); | |
| 737 | |
| 738 // Accessors | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
739 static void set_cp(oop reflect, ConstantPool* value); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
740 static int oop_offset() { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
741 return _oop_offset; |
| 0 | 742 } |
| 743 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
744 static ConstantPool* get_cp(oop reflect); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
745 |
| 0 | 746 // Debugging |
| 747 friend class JavaClasses; | |
| 748 }; | |
| 749 | |
| 750 // Interface to sun.reflect.UnsafeStaticFieldAccessorImpl objects | |
| 751 class sun_reflect_UnsafeStaticFieldAccessorImpl { | |
| 752 private: | |
| 753 static int _base_offset; | |
| 754 static void compute_offsets(); | |
| 755 | |
| 756 public: | |
| 757 static int base_offset() { | |
| 758 return _base_offset; | |
| 759 } | |
| 760 | |
| 761 // Debugging | |
| 762 friend class JavaClasses; | |
| 763 }; | |
| 764 | |
| 765 // Interface to java.lang primitive type boxing objects: | |
| 766 // - java.lang.Boolean | |
| 767 // - java.lang.Character | |
| 768 // - java.lang.Float | |
| 769 // - java.lang.Double | |
| 770 // - java.lang.Byte | |
| 771 // - java.lang.Short | |
| 772 // - java.lang.Integer | |
| 773 // - java.lang.Long | |
| 774 | |
| 775 // This could be separated out into 8 individual classes. | |
| 776 | |
| 777 class java_lang_boxing_object: AllStatic { | |
| 778 private: | |
| 779 enum { | |
| 780 hc_value_offset = 0 | |
| 781 }; | |
| 782 static int value_offset; | |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
783 static int long_value_offset; |
| 0 | 784 |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
785 static oop initialize_and_allocate(BasicType type, TRAPS); |
| 0 | 786 public: |
| 787 // Allocation. Returns a boxed value, or NULL for invalid type. | |
| 788 static oop create(BasicType type, jvalue* value, TRAPS); | |
| 789 // Accessors. Returns the basic type being boxed, or T_ILLEGAL for invalid oop. | |
| 790 static BasicType get_value(oop box, jvalue* value); | |
| 791 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
|
792 static BasicType basic_type(oop box); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
793 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
|
794 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
|
795 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
|
796 static void print(BasicType type, jvalue* value, outputStream* st); |
| 0 | 797 |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
798 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
|
799 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
|
800 value_offset; |
|
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
801 } |
| 0 | 802 |
| 803 // Debugging | |
| 804 friend class JavaClasses; | |
| 805 }; | |
| 806 | |
| 807 | |
| 808 | |
| 809 // Interface to java.lang.ref.Reference objects | |
| 810 | |
| 811 class java_lang_ref_Reference: AllStatic { | |
| 812 public: | |
| 813 enum { | |
| 814 hc_referent_offset = 0, | |
| 815 hc_queue_offset = 1, | |
| 816 hc_next_offset = 2, | |
| 817 hc_discovered_offset = 3 // Is not last, see SoftRefs. | |
| 818 }; | |
| 819 enum { | |
| 820 hc_static_lock_offset = 0, | |
| 821 hc_static_pending_offset = 1 | |
| 822 }; | |
| 823 | |
| 824 static int referent_offset; | |
| 825 static int queue_offset; | |
| 826 static int next_offset; | |
| 827 static int discovered_offset; | |
| 828 static int static_lock_offset; | |
| 829 static int static_pending_offset; | |
| 830 static int number_of_fake_oop_fields; | |
| 831 | |
| 832 // Accessors | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
833 static oop referent(oop ref) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
834 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
|
835 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
836 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
|
837 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
|
838 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
839 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
|
840 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
|
841 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
842 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
|
843 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
|
844 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
845 static oop next(oop ref) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
846 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
|
847 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
848 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
|
849 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
|
850 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
851 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
|
852 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
|
853 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
854 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
|
855 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
|
856 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
857 static oop discovered(oop ref) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
858 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
|
859 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
860 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
|
861 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
|
862 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
863 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
|
864 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
|
865 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
866 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
|
867 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
|
868 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
869 // Accessors for statics |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
870 static oop pending_list_lock(); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
22
diff
changeset
|
871 static oop pending_list(); |
| 0 | 872 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
873 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
|
874 static HeapWord* pending_list_addr(); |
| 0 | 875 }; |
| 876 | |
| 877 | |
| 878 // Interface to java.lang.ref.SoftReference objects | |
| 879 | |
| 880 class java_lang_ref_SoftReference: public java_lang_ref_Reference { | |
| 881 public: | |
| 882 enum { | |
| 883 // 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
|
884 hc_timestamp_offset = hc_discovered_offset + 1 |
| 0 | 885 }; |
| 886 enum { | |
| 887 hc_static_clock_offset = 0 | |
| 888 }; | |
| 889 | |
| 890 static int timestamp_offset; | |
| 891 static int static_clock_offset; | |
| 892 | |
| 893 // Accessors | |
| 894 static jlong timestamp(oop ref); | |
| 895 | |
| 896 // Accessors for statics | |
| 897 static jlong clock(); | |
| 898 static void set_clock(jlong value); | |
| 899 }; | |
| 900 | |
| 901 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
902 // Interface to java.lang.invoke.MethodHandle objects |
| 710 | 903 |
| 904 class MethodHandleEntry; | |
| 905 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
906 class java_lang_invoke_MethodHandle: AllStatic { |
| 710 | 907 friend class JavaClasses; |
| 908 | |
| 909 private: | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
910 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
|
911 static int _form_offset; // the LambdaForm of this MH |
| 710 | 912 |
| 913 static void compute_offsets(); | |
| 914 | |
| 915 public: | |
| 916 // Accessors | |
| 917 static oop type(oop mh); | |
| 918 static void set_type(oop mh, oop mtype); | |
| 919 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
920 static oop form(oop mh); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
921 static void set_form(oop mh, oop lform); |
| 710 | 922 |
| 923 // Testers | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
924 static bool is_subclass(Klass* klass) { |
| 710 | 925 return Klass::cast(klass)->is_subclass_of(SystemDictionary::MethodHandle_klass()); |
| 926 } | |
| 927 static bool is_instance(oop obj) { | |
| 928 return obj != NULL && is_subclass(obj->klass()); | |
| 929 } | |
| 930 | |
| 931 // Accessors for code generation: | |
| 932 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
|
933 static int form_offset_in_bytes() { return _form_offset; } |
| 710 | 934 }; |
| 935 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
936 // 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
|
937 // (These are a private interface for managing adapter code generation.) |
| 3938 | 938 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
939 class java_lang_invoke_LambdaForm: AllStatic { |
| 710 | 940 friend class JavaClasses; |
| 941 | |
| 942 private: | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
943 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
|
944 |
| 710 | 945 static void compute_offsets(); |
| 946 | |
| 947 public: | |
| 948 // Accessors | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
949 static oop vmentry(oop lform); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
950 static void set_vmentry(oop lform, oop invoker); |
| 710 | 951 |
| 952 // Testers | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
953 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
|
954 return SystemDictionary::LambdaForm_klass() != NULL && |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
955 Klass::cast(klass)->is_subclass_of(SystemDictionary::LambdaForm_klass()); |
| 710 | 956 } |
| 957 static bool is_instance(oop obj) { | |
| 958 return obj != NULL && is_subclass(obj->klass()); | |
| 959 } | |
| 960 | |
| 961 // Accessors for code generation: | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
962 static int vmentry_offset_in_bytes() { return _vmentry_offset; } |
| 710 | 963 }; |
| 964 | |
|
3905
c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
3820
diff
changeset
|
965 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
966 // Interface to java.lang.invoke.MemberName objects |
| 710 | 967 // (These are a private interface for Java code to query the class hierarchy.) |
| 968 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
969 #define MEMBERNAME_INJECTED_FIELDS(macro) \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
970 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
|
971 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
|
972 macro(java_lang_invoke_MemberName, vmtarget, intptr_signature, false) |
| 3938 | 973 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
974 class java_lang_invoke_MemberName: AllStatic { |
| 710 | 975 friend class JavaClasses; |
| 976 | |
| 977 private: | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
978 // From java.lang.invoke.MemberName: |
| 710 | 979 // private Class<?> clazz; // class in which the method is defined |
| 980 // private String name; // may be null if not yet materialized | |
| 981 // private Object type; // may be null if not yet materialized | |
| 982 // 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
|
983 // 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
|
984 // private intptr_t vmindex; // member index within class or interface |
| 710 | 985 static int _clazz_offset; |
| 986 static int _name_offset; | |
| 987 static int _type_offset; | |
| 988 static int _flags_offset; | |
| 989 static int _vmtarget_offset; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
990 static int _vmloader_offset; |
| 710 | 991 static int _vmindex_offset; |
| 992 | |
| 993 static void compute_offsets(); | |
| 994 | |
| 995 public: | |
| 996 // Accessors | |
| 997 static oop clazz(oop mname); | |
| 998 static void set_clazz(oop mname, oop clazz); | |
| 999 | |
| 1000 static oop type(oop mname); | |
| 1001 static void set_type(oop mname, oop type); | |
| 1002 | |
| 1003 static oop name(oop mname); | |
| 1004 static void set_name(oop mname, oop name); | |
| 1005 | |
| 1006 static int flags(oop mname); | |
| 1007 static void set_flags(oop mname, int flags); | |
| 1008 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1009 static Metadata* vmtarget(oop mname); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1010 static void set_vmtarget(oop mname, Metadata* target); |
| 710 | 1011 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1012 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
|
1013 static void set_vmindex(oop mname, intptr_t index); |
| 710 | 1014 |
| 1015 // Testers | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1016 static bool is_subclass(Klass* klass) { |
| 710 | 1017 return Klass::cast(klass)->is_subclass_of(SystemDictionary::MemberName_klass()); |
| 1018 } | |
| 1019 static bool is_instance(oop obj) { | |
| 1020 return obj != NULL && is_subclass(obj->klass()); | |
| 1021 } | |
| 1022 | |
| 1023 // Relevant integer codes (keep these in synch. with MethodHandleNatives.Constants): | |
| 1024 enum { | |
| 1025 MN_IS_METHOD = 0x00010000, // method (not constructor) | |
| 1026 MN_IS_CONSTRUCTOR = 0x00020000, // constructor | |
| 1027 MN_IS_FIELD = 0x00040000, // field | |
| 1028 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
|
1029 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
|
1030 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
|
1031 // 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
|
1032 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
|
1033 MN_SEARCH_INTERFACES = 0x00200000 // walk implemented interfaces |
| 710 | 1034 }; |
| 1035 | |
| 1036 // Accessors for code generation: | |
| 1037 static int clazz_offset_in_bytes() { return _clazz_offset; } | |
| 1038 static int type_offset_in_bytes() { return _type_offset; } | |
| 1039 static int name_offset_in_bytes() { return _name_offset; } | |
| 1040 static int flags_offset_in_bytes() { return _flags_offset; } | |
| 1041 static int vmtarget_offset_in_bytes() { return _vmtarget_offset; } | |
| 1042 static int vmindex_offset_in_bytes() { return _vmindex_offset; } | |
| 1043 }; | |
| 1044 | |
| 1045 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1046 // Interface to java.lang.invoke.MethodType objects |
| 710 | 1047 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1048 class java_lang_invoke_MethodType: AllStatic { |
| 710 | 1049 friend class JavaClasses; |
| 1050 | |
| 1051 private: | |
| 1052 static int _rtype_offset; | |
| 1053 static int _ptypes_offset; | |
| 1054 | |
| 1055 static void compute_offsets(); | |
| 1056 | |
| 1057 public: | |
| 1058 // Accessors | |
| 1059 static oop rtype(oop mt); | |
| 1060 static objArrayOop ptypes(oop mt); | |
| 1061 | |
| 1062 static oop ptype(oop mt, int index); | |
|
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1059
diff
changeset
|
1063 static int ptype_count(oop mt); |
| 710 | 1064 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1065 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
|
1066 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
|
1067 |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1068 static Symbol* as_signature(oop mt, bool intern_if_not_found, TRAPS); |
| 710 | 1069 static void print_signature(oop mt, outputStream* st); |
| 1070 | |
| 1071 static bool is_instance(oop obj) { | |
| 1072 return obj != NULL && obj->klass() == SystemDictionary::MethodType_klass(); | |
| 1073 } | |
| 1074 | |
|
3461
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
1075 static bool equals(oop mt1, oop mt2); |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
1076 |
| 710 | 1077 // Accessors for code generation: |
| 1078 static int rtype_offset_in_bytes() { return _rtype_offset; } | |
| 1079 static int ptypes_offset_in_bytes() { return _ptypes_offset; } | |
| 1080 }; | |
| 1081 | |
| 1082 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1083 // Interface to java.lang.invoke.CallSite objects |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1084 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2177
diff
changeset
|
1085 class java_lang_invoke_CallSite: AllStatic { |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1086 friend class JavaClasses; |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1087 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1088 private: |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1089 static int _target_offset; |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1090 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1091 static void compute_offsets(); |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1092 |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1093 public: |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1094 // Accessors |
|
3932
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
1095 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
|
1096 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
|
1097 |
|
b0efc7ee3b31
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
3905
diff
changeset
|
1098 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
|
1099 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
|
1100 |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1101 // Testers |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1102 static bool is_subclass(Klass* klass) { |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1103 return Klass::cast(klass)->is_subclass_of(SystemDictionary::CallSite_klass()); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1104 } |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1105 static bool is_instance(oop obj) { |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1106 return obj != NULL && is_subclass(obj->klass()); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1107 } |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1108 |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1109 // Accessors for code generation: |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1110 static int target_offset_in_bytes() { return _target_offset; } |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
1111 }; |
| 710 | 1112 |
| 1113 | |
| 0 | 1114 // Interface to java.security.AccessControlContext objects |
| 1115 | |
| 1116 class java_security_AccessControlContext: AllStatic { | |
| 1117 private: | |
| 1118 // Note that for this class the layout changed between JDK1.2 and JDK1.3, | |
| 1119 // so we compute the offsets at startup rather than hard-wiring them. | |
| 1120 static int _context_offset; | |
| 1121 static int _privilegedContext_offset; | |
| 1122 static int _isPrivileged_offset; | |
| 1123 | |
| 1124 static void compute_offsets(); | |
| 1125 public: | |
| 1126 static oop create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS); | |
| 1127 | |
| 1128 // Debugging/initialization | |
| 1129 friend class JavaClasses; | |
| 1130 }; | |
| 1131 | |
| 1132 | |
| 1133 // Interface to java.lang.ClassLoader objects | |
| 1134 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1135 #define CLASSLOADER_INJECTED_FIELDS(macro) \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1136 macro(java_lang_ClassLoader, loader_data, intptr_signature, false) \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1137 macro(java_lang_ClassLoader, dependencies, object_signature, false) |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1138 |
| 0 | 1139 class java_lang_ClassLoader : AllStatic { |
| 1140 private: | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1141 // The fake offsets are added by the class loader when java.lang.Class is loaded |
| 0 | 1142 enum { |
| 1143 hc_parent_offset = 0 | |
| 1144 }; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1145 static int _loader_data_offset; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1146 static int _dependencies_offset; |
| 3938 | 1147 static bool offsets_computed; |
| 0 | 1148 static int parent_offset; |
| 3938 | 1149 static int parallelCapable_offset; |
| 1150 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1151 public: |
| 3938 | 1152 static void compute_offsets(); |
| 0 | 1153 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1154 static ClassLoaderData** loader_data_addr(oop loader); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1155 static ClassLoaderData* loader_data(oop loader); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1156 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1157 static oop dependencies(oop loader); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1158 static HeapWord* dependencies_addr(oop loader); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1159 |
| 0 | 1160 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
|
1161 static bool isAncestor(oop loader, oop cl); |
| 0 | 1162 |
| 3938 | 1163 // Support for parallelCapable field |
| 1164 static bool parallelCapable(oop the_class_mirror); | |
| 1165 | |
| 0 | 1166 static bool is_trusted_loader(oop loader); |
| 1167 | |
| 1168 // Fix for 4474172 | |
| 1169 static oop non_reflection_class_loader(oop loader); | |
| 1170 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1171 // Testers |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1172 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
|
1173 return Klass::cast(klass)->is_subclass_of(SystemDictionary::ClassLoader_klass()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1174 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1175 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
|
1176 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
|
1177 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1178 |
| 0 | 1179 // Debugging |
| 1180 friend class JavaClasses; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1181 friend class ClassFileParser; // access to number_of_fake_fields |
| 0 | 1182 }; |
| 1183 | |
| 1184 | |
| 1185 // Interface to java.lang.System objects | |
| 1186 | |
| 1187 class java_lang_System : AllStatic { | |
| 1188 private: | |
| 1189 enum { | |
| 1190 hc_static_in_offset = 0, | |
| 1191 hc_static_out_offset = 1, | |
| 1192 hc_static_err_offset = 2 | |
| 1193 }; | |
| 1194 | |
| 1195 static int static_in_offset; | |
| 1196 static int static_out_offset; | |
| 1197 static int static_err_offset; | |
| 1198 | |
| 1199 public: | |
| 1200 static int in_offset_in_bytes(); | |
| 1201 static int out_offset_in_bytes(); | |
| 1202 static int err_offset_in_bytes(); | |
| 1203 | |
| 1204 // Debugging | |
| 1205 friend class JavaClasses; | |
| 1206 }; | |
| 1207 | |
| 1208 | |
| 1209 // Interface to java.lang.StackTraceElement objects | |
| 1210 | |
| 1211 class java_lang_StackTraceElement: AllStatic { | |
| 1212 private: | |
| 1213 enum { | |
| 1214 hc_declaringClass_offset = 0, | |
| 1215 hc_methodName_offset = 1, | |
| 1216 hc_fileName_offset = 2, | |
| 1217 hc_lineNumber_offset = 3 | |
| 1218 }; | |
| 1219 | |
| 1220 static int declaringClass_offset; | |
| 1221 static int methodName_offset; | |
| 1222 static int fileName_offset; | |
| 1223 static int lineNumber_offset; | |
| 1224 | |
| 1225 public: | |
| 1226 // Setters | |
| 1227 static void set_declaringClass(oop element, oop value); | |
| 1228 static void set_methodName(oop element, oop value); | |
| 1229 static void set_fileName(oop element, oop value); | |
| 1230 static void set_lineNumber(oop element, int value); | |
| 1231 | |
| 1232 // Create an instance of StackTraceElement | |
| 1233 static oop create(methodHandle m, int bci, TRAPS); | |
| 1234 | |
| 1235 // Debugging | |
| 1236 friend class JavaClasses; | |
| 1237 }; | |
| 1238 | |
| 1239 | |
| 1240 // Interface to java.lang.AssertionStatusDirectives objects | |
| 1241 | |
| 1242 class java_lang_AssertionStatusDirectives: AllStatic { | |
| 1243 private: | |
| 1244 enum { | |
| 1245 hc_classes_offset, | |
| 1246 hc_classEnabled_offset, | |
| 1247 hc_packages_offset, | |
| 1248 hc_packageEnabled_offset, | |
| 1249 hc_deflt_offset | |
| 1250 }; | |
| 1251 | |
| 1252 static int classes_offset; | |
| 1253 static int classEnabled_offset; | |
| 1254 static int packages_offset; | |
| 1255 static int packageEnabled_offset; | |
| 1256 static int deflt_offset; | |
| 1257 | |
| 1258 public: | |
| 1259 // Setters | |
| 1260 static void set_classes(oop obj, oop val); | |
| 1261 static void set_classEnabled(oop obj, oop val); | |
| 1262 static void set_packages(oop obj, oop val); | |
| 1263 static void set_packageEnabled(oop obj, oop val); | |
| 1264 static void set_deflt(oop obj, bool val); | |
| 1265 // Debugging | |
| 1266 friend class JavaClasses; | |
| 1267 }; | |
| 1268 | |
| 1269 | |
| 1270 class java_nio_Buffer: AllStatic { | |
| 1271 private: | |
| 1272 static int _limit_offset; | |
| 1273 | |
| 1274 public: | |
| 1275 static int limit_offset(); | |
| 1276 static void compute_offsets(); | |
| 1277 }; | |
| 1278 | |
| 1279 class java_util_concurrent_locks_AbstractOwnableSynchronizer : AllStatic { | |
| 1280 private: | |
| 1281 static int _owner_offset; | |
| 1282 public: | |
| 1283 static void initialize(TRAPS); | |
| 1284 static oop get_owner_threadObj(oop obj); | |
| 1285 }; | |
| 1286 | |
| 3938 | 1287 // Use to declare fields that need to be injected into Java classes |
| 1288 // for the JVM to use. The name_index and signature_index are | |
| 1289 // declared in vmSymbols. The may_be_java flag is used to declare | |
| 1290 // fields that might already exist in Java but should be injected if | |
| 1291 // they don't. Otherwise the field is unconditionally injected and | |
| 1292 // the JVM uses the injected one. This is to ensure that name | |
| 1293 // collisions don't occur. In general may_be_java should be false | |
| 1294 // unless there's a good reason. | |
| 1295 | |
| 1296 class InjectedField { | |
| 1297 public: | |
| 1298 const SystemDictionary::WKID klass_id; | |
| 1299 const vmSymbols::SID name_index; | |
| 1300 const vmSymbols::SID signature_index; | |
| 1301 const bool may_be_java; | |
| 1302 | |
| 1303 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1304 Klass* klass() const { return SystemDictionary::well_known_klass(klass_id); } |
| 3938 | 1305 Symbol* name() const { return lookup_symbol(name_index); } |
| 1306 Symbol* signature() const { return lookup_symbol(signature_index); } | |
| 1307 | |
| 1308 int compute_offset(); | |
| 1309 | |
| 1310 // Find the Symbol for this index | |
| 1311 static Symbol* lookup_symbol(int symbol_index) { | |
| 1312 return vmSymbols::symbol_at((vmSymbols::SID)symbol_index); | |
| 1313 } | |
| 1314 }; | |
| 1315 | |
| 1316 #define DECLARE_INJECTED_FIELD_ENUM(klass, name, signature, may_be_java) \ | |
| 1317 klass##_##name##_enum, | |
| 1318 | |
| 1319 #define ALL_INJECTED_FIELDS(macro) \ | |
| 1320 CLASS_INJECTED_FIELDS(macro) \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1321 CLASSLOADER_INJECTED_FIELDS(macro) \ |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6166
diff
changeset
|
1322 MEMBERNAME_INJECTED_FIELDS(macro) |
| 3938 | 1323 |
| 0 | 1324 // Interface to hard-coded offset checking |
| 1325 | |
| 1326 class JavaClasses : AllStatic { | |
| 1327 private: | |
| 3938 | 1328 |
| 1329 static InjectedField _injected_fields[]; | |
| 1330 | |
| 0 | 1331 static bool check_offset(const char *klass_name, int offset, const char *field_name, const char* field_sig) PRODUCT_RETURN0; |
| 1332 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
|
1333 static bool check_constant(const char *klass_name, int constant, const char *field_name, const char* field_sig) PRODUCT_RETURN0; |
| 3938 | 1334 |
| 0 | 1335 public: |
| 3938 | 1336 enum InjectedFieldID { |
| 1337 ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD_ENUM) | |
| 1338 MAX_enum | |
| 1339 }; | |
| 1340 | |
| 1341 static int compute_injected_offset(InjectedFieldID id); | |
| 1342 | |
| 0 | 1343 static void compute_hard_coded_offsets(); |
| 1344 static void compute_offsets(); | |
| 1345 static void check_offsets() PRODUCT_RETURN; | |
| 3938 | 1346 |
| 1347 static InjectedField* get_injected(Symbol* class_name, int* field_count); | |
| 0 | 1348 }; |
| 1972 | 1349 |
| 3938 | 1350 #undef DECLARE_INJECTED_FIELD_ENUM |
| 1351 | |
| 1972 | 1352 #endif // SHARE_VM_CLASSFILE_JAVACLASSES_HPP |