Wed, 03 Jul 2019 20:42:37 +0800
Merge
aoqi@0 | 1 | /* |
kbarrett@9099 | 2 | * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #ifndef SHARE_VM_CLASSFILE_JAVACLASSES_HPP |
aoqi@0 | 26 | #define SHARE_VM_CLASSFILE_JAVACLASSES_HPP |
aoqi@0 | 27 | |
aoqi@0 | 28 | #include "classfile/systemDictionary.hpp" |
aoqi@0 | 29 | #include "jvmtifiles/jvmti.h" |
aoqi@0 | 30 | #include "oops/oop.hpp" |
aoqi@0 | 31 | #include "runtime/os.hpp" |
aoqi@0 | 32 | #include "utilities/utf8.hpp" |
aoqi@0 | 33 | |
aoqi@0 | 34 | // Interface for manipulating the basic Java classes. |
aoqi@0 | 35 | // |
aoqi@0 | 36 | // All dependencies on layout of actual Java classes should be kept here. |
aoqi@0 | 37 | // If the layout of any of the classes above changes the offsets must be adjusted. |
aoqi@0 | 38 | // |
aoqi@0 | 39 | // For most classes we hardwire the offsets for performance reasons. In certain |
aoqi@0 | 40 | // cases (e.g. java.security.AccessControlContext) we compute the offsets at |
aoqi@0 | 41 | // startup since the layout here differs between JDK1.2 and JDK1.3. |
aoqi@0 | 42 | // |
aoqi@0 | 43 | // Note that fields (static and non-static) are arranged with oops before non-oops |
aoqi@0 | 44 | // on a per class basis. The offsets below have to reflect this ordering. |
aoqi@0 | 45 | // |
aoqi@0 | 46 | // When editing the layouts please update the check_offset verification code |
aoqi@0 | 47 | // correspondingly. The names in the enums must be identical to the actual field |
aoqi@0 | 48 | // names in order for the verification code to work. |
aoqi@0 | 49 | |
aoqi@0 | 50 | |
aoqi@0 | 51 | // Interface to java.lang.String objects |
aoqi@0 | 52 | |
aoqi@0 | 53 | class java_lang_String : AllStatic { |
aoqi@0 | 54 | private: |
aoqi@0 | 55 | static int value_offset; |
aoqi@0 | 56 | static int offset_offset; |
aoqi@0 | 57 | static int count_offset; |
aoqi@0 | 58 | static int hash_offset; |
aoqi@0 | 59 | |
aoqi@0 | 60 | static bool initialized; |
aoqi@0 | 61 | |
aoqi@0 | 62 | static Handle basic_create(int length, TRAPS); |
aoqi@0 | 63 | |
aoqi@0 | 64 | static void set_offset(oop string, int offset) { |
aoqi@0 | 65 | assert(initialized, "Must be initialized"); |
aoqi@0 | 66 | if (offset_offset > 0) { |
aoqi@0 | 67 | string->int_field_put(offset_offset, offset); |
aoqi@0 | 68 | } |
aoqi@0 | 69 | } |
aoqi@0 | 70 | static void set_count( oop string, int count) { |
aoqi@0 | 71 | assert(initialized, "Must be initialized"); |
aoqi@0 | 72 | if (count_offset > 0) { |
aoqi@0 | 73 | string->int_field_put(count_offset, count); |
aoqi@0 | 74 | } |
aoqi@0 | 75 | } |
aoqi@0 | 76 | |
aoqi@0 | 77 | public: |
aoqi@0 | 78 | static void compute_offsets(); |
aoqi@0 | 79 | |
aoqi@0 | 80 | // Instance creation |
aoqi@0 | 81 | static Handle create_from_unicode(jchar* unicode, int len, TRAPS); |
aoqi@0 | 82 | static oop create_oop_from_unicode(jchar* unicode, int len, TRAPS); |
aoqi@0 | 83 | static Handle create_from_str(const char* utf8_str, TRAPS); |
aoqi@0 | 84 | static oop create_oop_from_str(const char* utf8_str, TRAPS); |
aoqi@0 | 85 | static Handle create_from_symbol(Symbol* symbol, TRAPS); |
aoqi@0 | 86 | static Handle create_from_platform_dependent_str(const char* str, TRAPS); |
aoqi@0 | 87 | static Handle char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS); |
aoqi@0 | 88 | |
aoqi@0 | 89 | static bool has_offset_field() { |
aoqi@0 | 90 | assert(initialized, "Must be initialized"); |
aoqi@0 | 91 | return (offset_offset > 0); |
aoqi@0 | 92 | } |
aoqi@0 | 93 | |
aoqi@0 | 94 | static bool has_count_field() { |
aoqi@0 | 95 | assert(initialized, "Must be initialized"); |
aoqi@0 | 96 | return (count_offset > 0); |
aoqi@0 | 97 | } |
aoqi@0 | 98 | |
aoqi@0 | 99 | static bool has_hash_field() { |
aoqi@0 | 100 | assert(initialized, "Must be initialized"); |
aoqi@0 | 101 | return (hash_offset > 0); |
aoqi@0 | 102 | } |
aoqi@0 | 103 | |
aoqi@0 | 104 | static int value_offset_in_bytes() { |
aoqi@0 | 105 | assert(initialized && (value_offset > 0), "Must be initialized"); |
aoqi@0 | 106 | return value_offset; |
aoqi@0 | 107 | } |
aoqi@0 | 108 | static int count_offset_in_bytes() { |
aoqi@0 | 109 | assert(initialized && (count_offset > 0), "Must be initialized"); |
aoqi@0 | 110 | return count_offset; |
aoqi@0 | 111 | } |
aoqi@0 | 112 | static int offset_offset_in_bytes() { |
aoqi@0 | 113 | assert(initialized && (offset_offset > 0), "Must be initialized"); |
aoqi@0 | 114 | return offset_offset; |
aoqi@0 | 115 | } |
aoqi@0 | 116 | static int hash_offset_in_bytes() { |
aoqi@0 | 117 | assert(initialized && (hash_offset > 0), "Must be initialized"); |
aoqi@0 | 118 | return hash_offset; |
aoqi@0 | 119 | } |
aoqi@0 | 120 | |
aoqi@0 | 121 | static void set_value(oop string, typeArrayOop buffer) { |
aoqi@0 | 122 | assert(initialized && (value_offset > 0), "Must be initialized"); |
aoqi@0 | 123 | string->obj_field_put(value_offset, (oop)buffer); |
aoqi@0 | 124 | } |
aoqi@0 | 125 | static void set_hash(oop string, unsigned int hash) { |
aoqi@0 | 126 | assert(initialized && (hash_offset > 0), "Must be initialized"); |
aoqi@0 | 127 | string->int_field_put(hash_offset, hash); |
aoqi@0 | 128 | } |
aoqi@0 | 129 | |
aoqi@0 | 130 | // Accessors |
aoqi@0 | 131 | static typeArrayOop value(oop java_string) { |
aoqi@0 | 132 | assert(initialized && (value_offset > 0), "Must be initialized"); |
aoqi@0 | 133 | assert(is_instance(java_string), "must be java_string"); |
aoqi@0 | 134 | return (typeArrayOop) java_string->obj_field(value_offset); |
aoqi@0 | 135 | } |
aoqi@0 | 136 | static unsigned int hash(oop java_string) { |
aoqi@0 | 137 | assert(initialized && (hash_offset > 0), "Must be initialized"); |
aoqi@0 | 138 | assert(is_instance(java_string), "must be java_string"); |
aoqi@0 | 139 | return java_string->int_field(hash_offset); |
aoqi@0 | 140 | } |
aoqi@0 | 141 | static int offset(oop java_string) { |
aoqi@0 | 142 | assert(initialized, "Must be initialized"); |
aoqi@0 | 143 | assert(is_instance(java_string), "must be java_string"); |
aoqi@0 | 144 | if (offset_offset > 0) { |
aoqi@0 | 145 | return java_string->int_field(offset_offset); |
aoqi@0 | 146 | } else { |
aoqi@0 | 147 | return 0; |
aoqi@0 | 148 | } |
aoqi@0 | 149 | } |
aoqi@0 | 150 | static int length(oop java_string) { |
aoqi@0 | 151 | assert(initialized, "Must be initialized"); |
aoqi@0 | 152 | assert(is_instance(java_string), "must be java_string"); |
aoqi@0 | 153 | if (count_offset > 0) { |
aoqi@0 | 154 | return java_string->int_field(count_offset); |
aoqi@0 | 155 | } else { |
aoqi@0 | 156 | return ((typeArrayOop)java_string->obj_field(value_offset))->length(); |
aoqi@0 | 157 | } |
aoqi@0 | 158 | } |
aoqi@0 | 159 | static int utf8_length(oop java_string); |
aoqi@0 | 160 | |
aoqi@0 | 161 | // String converters |
aoqi@0 | 162 | static char* as_utf8_string(oop java_string); |
aoqi@0 | 163 | static char* as_utf8_string(oop java_string, char* buf, int buflen); |
aoqi@0 | 164 | static char* as_utf8_string(oop java_string, int start, int len); |
aoqi@0 | 165 | static char* as_platform_dependent_str(Handle java_string, TRAPS); |
aoqi@0 | 166 | static jchar* as_unicode_string(oop java_string, int& length, TRAPS); |
aoqi@0 | 167 | // produce an ascii string with all other values quoted using \u#### |
aoqi@0 | 168 | static char* as_quoted_ascii(oop java_string); |
aoqi@0 | 169 | |
aoqi@0 | 170 | // Compute the hash value for a java.lang.String object which would |
aoqi@0 | 171 | // contain the characters passed in. |
aoqi@0 | 172 | // |
aoqi@0 | 173 | // As the hash value used by the String object itself, in |
aoqi@0 | 174 | // String.hashCode(). This value is normally calculated in Java code |
aoqi@0 | 175 | // in the String.hashCode method(), but is precomputed for String |
aoqi@0 | 176 | // objects in the shared archive file. |
aoqi@0 | 177 | // hash P(31) from Kernighan & Ritchie |
aoqi@0 | 178 | // |
aoqi@0 | 179 | // For this reason, THIS ALGORITHM MUST MATCH String.hashCode(). |
aoqi@0 | 180 | template <typename T> static unsigned int hash_code(T* s, int len) { |
aoqi@0 | 181 | unsigned int h = 0; |
aoqi@0 | 182 | while (len-- > 0) { |
aoqi@0 | 183 | h = 31*h + (unsigned int) *s; |
aoqi@0 | 184 | s++; |
aoqi@0 | 185 | } |
aoqi@0 | 186 | return h; |
aoqi@0 | 187 | } |
aoqi@0 | 188 | static unsigned int hash_code(oop java_string); |
aoqi@0 | 189 | |
aoqi@0 | 190 | // This is the string hash code used by the StringTable, which may be |
aoqi@0 | 191 | // the same as String.hashCode or an alternate hash code. |
aoqi@0 | 192 | static unsigned int hash_string(oop java_string); |
aoqi@0 | 193 | |
aoqi@0 | 194 | static bool equals(oop java_string, jchar* chars, int len); |
aoqi@0 | 195 | static bool equals(oop str1, oop str2); |
aoqi@0 | 196 | |
aoqi@0 | 197 | // Conversion between '.' and '/' formats |
aoqi@0 | 198 | static Handle externalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '/', '.', THREAD); } |
aoqi@0 | 199 | static Handle internalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '.', '/', THREAD); } |
aoqi@0 | 200 | |
aoqi@0 | 201 | // Conversion |
aoqi@0 | 202 | static Symbol* as_symbol(Handle java_string, TRAPS); |
aoqi@0 | 203 | static Symbol* as_symbol_or_null(oop java_string); |
aoqi@0 | 204 | |
aoqi@0 | 205 | // Testers |
aoqi@0 | 206 | static bool is_instance(oop obj) { |
aoqi@0 | 207 | return obj != NULL && obj->klass() == SystemDictionary::String_klass(); |
aoqi@0 | 208 | } |
aoqi@0 | 209 | |
aoqi@0 | 210 | // Debugging |
stefank@6975 | 211 | static void print(oop java_string, outputStream* st); |
aoqi@0 | 212 | friend class JavaClasses; |
aoqi@0 | 213 | }; |
aoqi@0 | 214 | |
aoqi@0 | 215 | |
aoqi@0 | 216 | // Interface to java.lang.Class objects |
aoqi@0 | 217 | |
aoqi@0 | 218 | #define CLASS_INJECTED_FIELDS(macro) \ |
aoqi@0 | 219 | macro(java_lang_Class, klass, intptr_signature, false) \ |
aoqi@0 | 220 | macro(java_lang_Class, array_klass, intptr_signature, false) \ |
aoqi@0 | 221 | macro(java_lang_Class, oop_size, int_signature, false) \ |
aoqi@0 | 222 | macro(java_lang_Class, static_oop_field_count, int_signature, false) \ |
aoqi@0 | 223 | macro(java_lang_Class, protection_domain, object_signature, false) \ |
aoqi@0 | 224 | macro(java_lang_Class, init_lock, object_signature, false) \ |
aoqi@0 | 225 | macro(java_lang_Class, signers, object_signature, false) |
aoqi@0 | 226 | |
aoqi@0 | 227 | class java_lang_Class : AllStatic { |
aoqi@0 | 228 | friend class VMStructs; |
aoqi@0 | 229 | |
aoqi@0 | 230 | private: |
aoqi@0 | 231 | // The fake offsets are added by the class loader when java.lang.Class is loaded |
aoqi@0 | 232 | |
aoqi@0 | 233 | static int _klass_offset; |
aoqi@0 | 234 | static int _array_klass_offset; |
aoqi@0 | 235 | |
aoqi@0 | 236 | static int _oop_size_offset; |
aoqi@0 | 237 | static int _static_oop_field_count_offset; |
aoqi@0 | 238 | |
aoqi@0 | 239 | static int _protection_domain_offset; |
aoqi@0 | 240 | static int _init_lock_offset; |
aoqi@0 | 241 | static int _signers_offset; |
coleenp@7129 | 242 | static int _class_loader_offset; |
aoqi@0 | 243 | |
aoqi@0 | 244 | static bool offsets_computed; |
aoqi@0 | 245 | static int classRedefinedCount_offset; |
coleenp@7129 | 246 | |
aoqi@0 | 247 | static GrowableArray<Klass*>* _fixup_mirror_list; |
aoqi@0 | 248 | |
aoqi@0 | 249 | static void set_init_lock(oop java_class, oop init_lock); |
aoqi@0 | 250 | static void set_protection_domain(oop java_class, oop protection_domain); |
coleenp@7129 | 251 | static void set_class_loader(oop java_class, oop class_loader); |
aoqi@0 | 252 | static void initialize_mirror_fields(KlassHandle k, Handle mirror, Handle protection_domain, TRAPS); |
aoqi@0 | 253 | public: |
aoqi@0 | 254 | static void compute_offsets(); |
aoqi@0 | 255 | |
aoqi@0 | 256 | // Instance creation |
coleenp@7129 | 257 | static void create_mirror(KlassHandle k, Handle class_loader, |
coleenp@7129 | 258 | Handle protection_domain, TRAPS); |
aoqi@0 | 259 | static void fixup_mirror(KlassHandle k, TRAPS); |
aoqi@0 | 260 | static oop create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS); |
aoqi@0 | 261 | // Conversion |
aoqi@0 | 262 | static Klass* as_Klass(oop java_class); |
aoqi@0 | 263 | static void set_klass(oop java_class, Klass* klass); |
aoqi@0 | 264 | static BasicType as_BasicType(oop java_class, Klass** reference_klass = NULL); |
aoqi@0 | 265 | static BasicType as_BasicType(oop java_class, KlassHandle* reference_klass) { |
aoqi@0 | 266 | Klass* refk_oop = NULL; |
aoqi@0 | 267 | BasicType result = as_BasicType(java_class, &refk_oop); |
aoqi@0 | 268 | (*reference_klass) = KlassHandle(refk_oop); |
aoqi@0 | 269 | return result; |
aoqi@0 | 270 | } |
aoqi@0 | 271 | static Symbol* as_signature(oop java_class, bool intern_if_not_found, TRAPS); |
aoqi@0 | 272 | static void print_signature(oop java_class, outputStream *st); |
vkempik@8060 | 273 | static const char* as_external_name(oop java_class); |
aoqi@0 | 274 | // Testing |
aoqi@0 | 275 | static bool is_instance(oop obj) { |
aoqi@0 | 276 | return obj != NULL && obj->klass() == SystemDictionary::Class_klass(); |
aoqi@0 | 277 | } |
aoqi@0 | 278 | static bool is_primitive(oop java_class); |
aoqi@0 | 279 | static BasicType primitive_type(oop java_class); |
aoqi@0 | 280 | static oop primitive_mirror(BasicType t); |
aoqi@0 | 281 | // JVM_NewArray support |
aoqi@0 | 282 | static Klass* array_klass(oop java_class); |
aoqi@0 | 283 | static void set_array_klass(oop java_class, Klass* klass); |
aoqi@0 | 284 | // compiler support for class operations |
aoqi@0 | 285 | static int klass_offset_in_bytes() { return _klass_offset; } |
aoqi@0 | 286 | static int array_klass_offset_in_bytes() { return _array_klass_offset; } |
aoqi@0 | 287 | // Support for classRedefinedCount field |
aoqi@0 | 288 | static int classRedefinedCount(oop the_class_mirror); |
aoqi@0 | 289 | static void set_classRedefinedCount(oop the_class_mirror, int value); |
aoqi@0 | 290 | |
aoqi@0 | 291 | // Support for embedded per-class oops |
aoqi@0 | 292 | static oop protection_domain(oop java_class); |
aoqi@0 | 293 | static oop init_lock(oop java_class); |
aoqi@0 | 294 | static objArrayOop signers(oop java_class); |
aoqi@0 | 295 | static void set_signers(oop java_class, objArrayOop signers); |
aoqi@0 | 296 | |
coleenp@7129 | 297 | static oop class_loader(oop java_class); |
coleenp@7129 | 298 | |
aoqi@0 | 299 | static int oop_size(oop java_class); |
aoqi@0 | 300 | static void set_oop_size(oop java_class, int size); |
aoqi@0 | 301 | static int static_oop_field_count(oop java_class); |
aoqi@0 | 302 | static void set_static_oop_field_count(oop java_class, int size); |
aoqi@0 | 303 | |
aoqi@0 | 304 | static GrowableArray<Klass*>* fixup_mirror_list() { |
aoqi@0 | 305 | return _fixup_mirror_list; |
aoqi@0 | 306 | } |
aoqi@0 | 307 | static void set_fixup_mirror_list(GrowableArray<Klass*>* v) { |
aoqi@0 | 308 | _fixup_mirror_list = v; |
aoqi@0 | 309 | } |
aoqi@0 | 310 | // Debugging |
aoqi@0 | 311 | friend class JavaClasses; |
aoqi@0 | 312 | friend class InstanceKlass; // verification code accesses offsets |
aoqi@0 | 313 | friend class ClassFileParser; // access to number_of_fake_fields |
aoqi@0 | 314 | }; |
aoqi@0 | 315 | |
aoqi@0 | 316 | // Interface to java.lang.Thread objects |
aoqi@0 | 317 | |
aoqi@0 | 318 | class java_lang_Thread : AllStatic { |
aoqi@0 | 319 | private: |
aoqi@0 | 320 | // Note that for this class the layout changed between JDK1.2 and JDK1.3, |
aoqi@0 | 321 | // so we compute the offsets at startup rather than hard-wiring them. |
aoqi@0 | 322 | static int _name_offset; |
aoqi@0 | 323 | static int _group_offset; |
aoqi@0 | 324 | static int _contextClassLoader_offset; |
aoqi@0 | 325 | static int _inheritedAccessControlContext_offset; |
aoqi@0 | 326 | static int _priority_offset; |
aoqi@0 | 327 | static int _eetop_offset; |
aoqi@0 | 328 | static int _daemon_offset; |
aoqi@0 | 329 | static int _stillborn_offset; |
aoqi@0 | 330 | static int _stackSize_offset; |
aoqi@0 | 331 | static int _tid_offset; |
aoqi@0 | 332 | static int _thread_status_offset; |
aoqi@0 | 333 | static int _park_blocker_offset; |
aoqi@0 | 334 | static int _park_event_offset ; |
aoqi@0 | 335 | |
aoqi@0 | 336 | static void compute_offsets(); |
aoqi@0 | 337 | |
aoqi@0 | 338 | public: |
aoqi@0 | 339 | // Instance creation |
aoqi@0 | 340 | static oop create(); |
aoqi@0 | 341 | // Returns the JavaThread associated with the thread obj |
aoqi@0 | 342 | static JavaThread* thread(oop java_thread); |
aoqi@0 | 343 | // Set JavaThread for instance |
aoqi@0 | 344 | static void set_thread(oop java_thread, JavaThread* thread); |
aoqi@0 | 345 | // Name |
shade@8288 | 346 | static oop name(oop java_thread); |
shade@8288 | 347 | static void set_name(oop java_thread, oop name); |
aoqi@0 | 348 | // Priority |
aoqi@0 | 349 | static ThreadPriority priority(oop java_thread); |
aoqi@0 | 350 | static void set_priority(oop java_thread, ThreadPriority priority); |
aoqi@0 | 351 | // Thread group |
aoqi@0 | 352 | static oop threadGroup(oop java_thread); |
aoqi@0 | 353 | // Stillborn |
aoqi@0 | 354 | static bool is_stillborn(oop java_thread); |
aoqi@0 | 355 | static void set_stillborn(oop java_thread); |
aoqi@0 | 356 | // Alive (NOTE: this is not really a field, but provides the correct |
aoqi@0 | 357 | // definition without doing a Java call) |
aoqi@0 | 358 | static bool is_alive(oop java_thread); |
aoqi@0 | 359 | // Daemon |
aoqi@0 | 360 | static bool is_daemon(oop java_thread); |
aoqi@0 | 361 | static void set_daemon(oop java_thread); |
aoqi@0 | 362 | // Context ClassLoader |
aoqi@0 | 363 | static oop context_class_loader(oop java_thread); |
aoqi@0 | 364 | // Control context |
aoqi@0 | 365 | static oop inherited_access_control_context(oop java_thread); |
aoqi@0 | 366 | // Stack size hint |
aoqi@0 | 367 | static jlong stackSize(oop java_thread); |
aoqi@0 | 368 | // Thread ID |
aoqi@0 | 369 | static jlong thread_id(oop java_thread); |
aoqi@0 | 370 | |
aoqi@0 | 371 | // Blocker object responsible for thread parking |
aoqi@0 | 372 | static oop park_blocker(oop java_thread); |
aoqi@0 | 373 | |
aoqi@0 | 374 | // Pointer to type-stable park handler, encoded as jlong. |
aoqi@0 | 375 | // Should be set when apparently null |
aoqi@0 | 376 | // For details, see unsafe.cpp Unsafe_Unpark |
aoqi@0 | 377 | static jlong park_event(oop java_thread); |
aoqi@0 | 378 | static bool set_park_event(oop java_thread, jlong ptr); |
aoqi@0 | 379 | |
aoqi@0 | 380 | // Java Thread Status for JVMTI and M&M use. |
aoqi@0 | 381 | // This thread status info is saved in threadStatus field of |
aoqi@0 | 382 | // java.lang.Thread java class. |
aoqi@0 | 383 | enum ThreadStatus { |
aoqi@0 | 384 | NEW = 0, |
aoqi@0 | 385 | RUNNABLE = JVMTI_THREAD_STATE_ALIVE + // runnable / running |
aoqi@0 | 386 | JVMTI_THREAD_STATE_RUNNABLE, |
aoqi@0 | 387 | SLEEPING = JVMTI_THREAD_STATE_ALIVE + // Thread.sleep() |
aoqi@0 | 388 | JVMTI_THREAD_STATE_WAITING + |
aoqi@0 | 389 | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT + |
aoqi@0 | 390 | JVMTI_THREAD_STATE_SLEEPING, |
aoqi@0 | 391 | IN_OBJECT_WAIT = JVMTI_THREAD_STATE_ALIVE + // Object.wait() |
aoqi@0 | 392 | JVMTI_THREAD_STATE_WAITING + |
aoqi@0 | 393 | JVMTI_THREAD_STATE_WAITING_INDEFINITELY + |
aoqi@0 | 394 | JVMTI_THREAD_STATE_IN_OBJECT_WAIT, |
aoqi@0 | 395 | IN_OBJECT_WAIT_TIMED = JVMTI_THREAD_STATE_ALIVE + // Object.wait(long) |
aoqi@0 | 396 | JVMTI_THREAD_STATE_WAITING + |
aoqi@0 | 397 | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT + |
aoqi@0 | 398 | JVMTI_THREAD_STATE_IN_OBJECT_WAIT, |
aoqi@0 | 399 | PARKED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park() |
aoqi@0 | 400 | JVMTI_THREAD_STATE_WAITING + |
aoqi@0 | 401 | JVMTI_THREAD_STATE_WAITING_INDEFINITELY + |
aoqi@0 | 402 | JVMTI_THREAD_STATE_PARKED, |
aoqi@0 | 403 | PARKED_TIMED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park(long) |
aoqi@0 | 404 | JVMTI_THREAD_STATE_WAITING + |
aoqi@0 | 405 | JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT + |
aoqi@0 | 406 | JVMTI_THREAD_STATE_PARKED, |
aoqi@0 | 407 | BLOCKED_ON_MONITOR_ENTER = JVMTI_THREAD_STATE_ALIVE + // (re-)entering a synchronization block |
aoqi@0 | 408 | JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER, |
aoqi@0 | 409 | TERMINATED = JVMTI_THREAD_STATE_TERMINATED |
aoqi@0 | 410 | }; |
aoqi@0 | 411 | // Write thread status info to threadStatus field of java.lang.Thread. |
aoqi@0 | 412 | static void set_thread_status(oop java_thread_oop, ThreadStatus status); |
aoqi@0 | 413 | // Read thread status info from threadStatus field of java.lang.Thread. |
aoqi@0 | 414 | static ThreadStatus get_thread_status(oop java_thread_oop); |
aoqi@0 | 415 | |
aoqi@0 | 416 | static const char* thread_status_name(oop java_thread_oop); |
aoqi@0 | 417 | |
aoqi@0 | 418 | // Debugging |
aoqi@0 | 419 | friend class JavaClasses; |
aoqi@0 | 420 | }; |
aoqi@0 | 421 | |
aoqi@0 | 422 | // Interface to java.lang.ThreadGroup objects |
aoqi@0 | 423 | |
aoqi@0 | 424 | class java_lang_ThreadGroup : AllStatic { |
aoqi@0 | 425 | private: |
aoqi@0 | 426 | static int _parent_offset; |
aoqi@0 | 427 | static int _name_offset; |
aoqi@0 | 428 | static int _threads_offset; |
aoqi@0 | 429 | static int _groups_offset; |
aoqi@0 | 430 | static int _maxPriority_offset; |
aoqi@0 | 431 | static int _destroyed_offset; |
aoqi@0 | 432 | static int _daemon_offset; |
aoqi@0 | 433 | static int _vmAllowSuspension_offset; |
aoqi@0 | 434 | static int _nthreads_offset; |
aoqi@0 | 435 | static int _ngroups_offset; |
aoqi@0 | 436 | |
aoqi@0 | 437 | static void compute_offsets(); |
aoqi@0 | 438 | |
aoqi@0 | 439 | public: |
aoqi@0 | 440 | // parent ThreadGroup |
aoqi@0 | 441 | static oop parent(oop java_thread_group); |
aoqi@0 | 442 | // name |
aoqi@0 | 443 | static typeArrayOop name(oop java_thread_group); |
aoqi@0 | 444 | // ("name as oop" accessor is not necessary) |
aoqi@0 | 445 | // Number of threads in group |
aoqi@0 | 446 | static int nthreads(oop java_thread_group); |
aoqi@0 | 447 | // threads |
aoqi@0 | 448 | static objArrayOop threads(oop java_thread_group); |
aoqi@0 | 449 | // Number of threads in group |
aoqi@0 | 450 | static int ngroups(oop java_thread_group); |
aoqi@0 | 451 | // groups |
aoqi@0 | 452 | static objArrayOop groups(oop java_thread_group); |
aoqi@0 | 453 | // maxPriority in group |
aoqi@0 | 454 | static ThreadPriority maxPriority(oop java_thread_group); |
aoqi@0 | 455 | // Destroyed |
aoqi@0 | 456 | static bool is_destroyed(oop java_thread_group); |
aoqi@0 | 457 | // Daemon |
aoqi@0 | 458 | static bool is_daemon(oop java_thread_group); |
aoqi@0 | 459 | // vmAllowSuspension |
aoqi@0 | 460 | static bool is_vmAllowSuspension(oop java_thread_group); |
aoqi@0 | 461 | // Debugging |
aoqi@0 | 462 | friend class JavaClasses; |
aoqi@0 | 463 | }; |
aoqi@0 | 464 | |
aoqi@0 | 465 | |
aoqi@0 | 466 | |
aoqi@0 | 467 | // Interface to java.lang.Throwable objects |
aoqi@0 | 468 | |
aoqi@0 | 469 | class java_lang_Throwable: AllStatic { |
aoqi@0 | 470 | friend class BacktraceBuilder; |
aoqi@0 | 471 | |
aoqi@0 | 472 | private: |
aoqi@0 | 473 | // Offsets |
aoqi@0 | 474 | enum { |
aoqi@0 | 475 | hc_backtrace_offset = 0, |
aoqi@0 | 476 | hc_detailMessage_offset = 1, |
aoqi@0 | 477 | hc_cause_offset = 2, // New since 1.4 |
aoqi@0 | 478 | hc_stackTrace_offset = 3 // New since 1.4 |
aoqi@0 | 479 | }; |
aoqi@0 | 480 | enum { |
aoqi@0 | 481 | hc_static_unassigned_stacktrace_offset = 0 // New since 1.7 |
aoqi@0 | 482 | }; |
aoqi@0 | 483 | // Trace constants |
aoqi@0 | 484 | enum { |
aoqi@0 | 485 | trace_methods_offset = 0, |
aoqi@0 | 486 | trace_bcis_offset = 1, |
aoqi@0 | 487 | trace_mirrors_offset = 2, |
sspitsyn@7683 | 488 | trace_cprefs_offset = 3, |
sspitsyn@7683 | 489 | trace_next_offset = 4, |
sspitsyn@7683 | 490 | trace_size = 5, |
aoqi@0 | 491 | trace_chunk_size = 32 |
aoqi@0 | 492 | }; |
aoqi@0 | 493 | |
aoqi@0 | 494 | static int backtrace_offset; |
aoqi@0 | 495 | static int detailMessage_offset; |
aoqi@0 | 496 | static int cause_offset; |
aoqi@0 | 497 | static int stackTrace_offset; |
aoqi@0 | 498 | static int static_unassigned_stacktrace_offset; |
aoqi@0 | 499 | |
aoqi@0 | 500 | // Printing |
sspitsyn@7683 | 501 | static char* print_stack_element_to_buffer(Handle mirror, int method, int version, int bci, int cpref); |
aoqi@0 | 502 | // StackTrace (programmatic access, new since 1.4) |
aoqi@0 | 503 | static void clear_stacktrace(oop throwable); |
aoqi@0 | 504 | // No stack trace available |
aoqi@0 | 505 | static const char* no_stack_trace_message(); |
aoqi@0 | 506 | // Stacktrace (post JDK 1.7.0 to allow immutability protocol to be followed) |
aoqi@0 | 507 | static void set_stacktrace(oop throwable, oop st_element_array); |
aoqi@0 | 508 | static oop unassigned_stacktrace(); |
aoqi@0 | 509 | |
aoqi@0 | 510 | public: |
aoqi@0 | 511 | // Backtrace |
aoqi@0 | 512 | static oop backtrace(oop throwable); |
aoqi@0 | 513 | static void set_backtrace(oop throwable, oop value); |
aoqi@0 | 514 | // Needed by JVMTI to filter out this internal field. |
aoqi@0 | 515 | static int get_backtrace_offset() { return backtrace_offset;} |
aoqi@0 | 516 | static int get_detailMessage_offset() { return detailMessage_offset;} |
aoqi@0 | 517 | // Message |
aoqi@0 | 518 | static oop message(oop throwable); |
aoqi@0 | 519 | static oop message(Handle throwable); |
aoqi@0 | 520 | static void set_message(oop throwable, oop value); |
aoqi@0 | 521 | static void print_stack_element(outputStream *st, Handle mirror, int method, |
sspitsyn@7683 | 522 | int version, int bci, int cpref); |
aoqi@0 | 523 | static void print_stack_element(outputStream *st, methodHandle method, int bci); |
aoqi@0 | 524 | static void print_stack_usage(Handle stream); |
aoqi@0 | 525 | |
aoqi@0 | 526 | // Allocate space for backtrace (created but stack trace not filled in) |
aoqi@0 | 527 | static void allocate_backtrace(Handle throwable, TRAPS); |
aoqi@0 | 528 | // Fill in current stack trace for throwable with preallocated backtrace (no GC) |
aoqi@0 | 529 | static void fill_in_stack_trace_of_preallocated_backtrace(Handle throwable); |
aoqi@0 | 530 | // Fill in current stack trace, can cause GC |
aoqi@0 | 531 | static void fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS); |
aoqi@0 | 532 | static void fill_in_stack_trace(Handle throwable, methodHandle method = methodHandle()); |
aoqi@0 | 533 | // Programmatic access to stack trace |
aoqi@0 | 534 | static oop get_stack_trace_element(oop throwable, int index, TRAPS); |
aoqi@0 | 535 | static int get_stack_trace_depth(oop throwable, TRAPS); |
aoqi@0 | 536 | // Printing |
aoqi@0 | 537 | static void print(oop throwable, outputStream* st); |
aoqi@0 | 538 | static void print(Handle throwable, outputStream* st); |
aoqi@0 | 539 | static void print_stack_trace(oop throwable, outputStream* st); |
aoqi@0 | 540 | // Debugging |
aoqi@0 | 541 | friend class JavaClasses; |
aoqi@0 | 542 | }; |
aoqi@0 | 543 | |
aoqi@0 | 544 | |
aoqi@0 | 545 | // Interface to java.lang.reflect.AccessibleObject objects |
aoqi@0 | 546 | |
aoqi@0 | 547 | class java_lang_reflect_AccessibleObject: AllStatic { |
aoqi@0 | 548 | private: |
aoqi@0 | 549 | // Note that to reduce dependencies on the JDK we compute these |
aoqi@0 | 550 | // offsets at run-time. |
aoqi@0 | 551 | static int override_offset; |
aoqi@0 | 552 | |
aoqi@0 | 553 | static void compute_offsets(); |
aoqi@0 | 554 | |
aoqi@0 | 555 | public: |
aoqi@0 | 556 | // Accessors |
aoqi@0 | 557 | static jboolean override(oop reflect); |
aoqi@0 | 558 | static void set_override(oop reflect, jboolean value); |
aoqi@0 | 559 | |
aoqi@0 | 560 | // Debugging |
aoqi@0 | 561 | friend class JavaClasses; |
aoqi@0 | 562 | }; |
aoqi@0 | 563 | |
aoqi@0 | 564 | |
aoqi@0 | 565 | // Interface to java.lang.reflect.Method objects |
aoqi@0 | 566 | |
aoqi@0 | 567 | class java_lang_reflect_Method : public java_lang_reflect_AccessibleObject { |
aoqi@0 | 568 | private: |
aoqi@0 | 569 | // Note that to reduce dependencies on the JDK we compute these |
aoqi@0 | 570 | // offsets at run-time. |
aoqi@0 | 571 | static int clazz_offset; |
aoqi@0 | 572 | static int name_offset; |
aoqi@0 | 573 | static int returnType_offset; |
aoqi@0 | 574 | static int parameterTypes_offset; |
aoqi@0 | 575 | static int exceptionTypes_offset; |
aoqi@0 | 576 | static int slot_offset; |
aoqi@0 | 577 | static int modifiers_offset; |
aoqi@0 | 578 | static int signature_offset; |
aoqi@0 | 579 | static int annotations_offset; |
aoqi@0 | 580 | static int parameter_annotations_offset; |
aoqi@0 | 581 | static int annotation_default_offset; |
aoqi@0 | 582 | static int type_annotations_offset; |
aoqi@0 | 583 | |
aoqi@0 | 584 | static void compute_offsets(); |
aoqi@0 | 585 | |
aoqi@0 | 586 | public: |
aoqi@0 | 587 | // Allocation |
aoqi@0 | 588 | static Handle create(TRAPS); |
aoqi@0 | 589 | |
aoqi@0 | 590 | // Accessors |
aoqi@0 | 591 | static oop clazz(oop reflect); |
aoqi@0 | 592 | static void set_clazz(oop reflect, oop value); |
aoqi@0 | 593 | |
aoqi@0 | 594 | static oop name(oop method); |
aoqi@0 | 595 | static void set_name(oop method, oop value); |
aoqi@0 | 596 | |
aoqi@0 | 597 | static oop return_type(oop method); |
aoqi@0 | 598 | static void set_return_type(oop method, oop value); |
aoqi@0 | 599 | |
aoqi@0 | 600 | static oop parameter_types(oop method); |
aoqi@0 | 601 | static void set_parameter_types(oop method, oop value); |
aoqi@0 | 602 | |
aoqi@0 | 603 | static oop exception_types(oop method); |
aoqi@0 | 604 | static void set_exception_types(oop method, oop value); |
aoqi@0 | 605 | |
aoqi@0 | 606 | static int slot(oop reflect); |
aoqi@0 | 607 | static void set_slot(oop reflect, int value); |
aoqi@0 | 608 | |
aoqi@0 | 609 | static int modifiers(oop method); |
aoqi@0 | 610 | static void set_modifiers(oop method, int value); |
aoqi@0 | 611 | |
aoqi@0 | 612 | static bool has_signature_field(); |
aoqi@0 | 613 | static oop signature(oop method); |
aoqi@0 | 614 | static void set_signature(oop method, oop value); |
aoqi@0 | 615 | |
aoqi@0 | 616 | static bool has_annotations_field(); |
aoqi@0 | 617 | static oop annotations(oop method); |
aoqi@0 | 618 | static void set_annotations(oop method, oop value); |
aoqi@0 | 619 | |
aoqi@0 | 620 | static bool has_parameter_annotations_field(); |
aoqi@0 | 621 | static oop parameter_annotations(oop method); |
aoqi@0 | 622 | static void set_parameter_annotations(oop method, oop value); |
aoqi@0 | 623 | |
aoqi@0 | 624 | static bool has_annotation_default_field(); |
aoqi@0 | 625 | static oop annotation_default(oop method); |
aoqi@0 | 626 | static void set_annotation_default(oop method, oop value); |
aoqi@0 | 627 | |
aoqi@0 | 628 | static bool has_type_annotations_field(); |
aoqi@0 | 629 | static oop type_annotations(oop method); |
aoqi@0 | 630 | static void set_type_annotations(oop method, oop value); |
aoqi@0 | 631 | |
aoqi@0 | 632 | // Debugging |
aoqi@0 | 633 | friend class JavaClasses; |
aoqi@0 | 634 | }; |
aoqi@0 | 635 | |
aoqi@0 | 636 | |
aoqi@0 | 637 | // Interface to java.lang.reflect.Constructor objects |
aoqi@0 | 638 | |
aoqi@0 | 639 | class java_lang_reflect_Constructor : public java_lang_reflect_AccessibleObject { |
aoqi@0 | 640 | private: |
aoqi@0 | 641 | // Note that to reduce dependencies on the JDK we compute these |
aoqi@0 | 642 | // offsets at run-time. |
aoqi@0 | 643 | static int clazz_offset; |
aoqi@0 | 644 | static int parameterTypes_offset; |
aoqi@0 | 645 | static int exceptionTypes_offset; |
aoqi@0 | 646 | static int slot_offset; |
aoqi@0 | 647 | static int modifiers_offset; |
aoqi@0 | 648 | static int signature_offset; |
aoqi@0 | 649 | static int annotations_offset; |
aoqi@0 | 650 | static int parameter_annotations_offset; |
aoqi@0 | 651 | static int type_annotations_offset; |
aoqi@0 | 652 | |
aoqi@0 | 653 | static void compute_offsets(); |
aoqi@0 | 654 | |
aoqi@0 | 655 | public: |
aoqi@0 | 656 | // Allocation |
aoqi@0 | 657 | static Handle create(TRAPS); |
aoqi@0 | 658 | |
aoqi@0 | 659 | // Accessors |
aoqi@0 | 660 | static oop clazz(oop reflect); |
aoqi@0 | 661 | static void set_clazz(oop reflect, oop value); |
aoqi@0 | 662 | |
aoqi@0 | 663 | static oop parameter_types(oop constructor); |
aoqi@0 | 664 | static void set_parameter_types(oop constructor, oop value); |
aoqi@0 | 665 | |
aoqi@0 | 666 | static oop exception_types(oop constructor); |
aoqi@0 | 667 | static void set_exception_types(oop constructor, oop value); |
aoqi@0 | 668 | |
aoqi@0 | 669 | static int slot(oop reflect); |
aoqi@0 | 670 | static void set_slot(oop reflect, int value); |
aoqi@0 | 671 | |
aoqi@0 | 672 | static int modifiers(oop constructor); |
aoqi@0 | 673 | static void set_modifiers(oop constructor, int value); |
aoqi@0 | 674 | |
aoqi@0 | 675 | static bool has_signature_field(); |
aoqi@0 | 676 | static oop signature(oop constructor); |
aoqi@0 | 677 | static void set_signature(oop constructor, oop value); |
aoqi@0 | 678 | |
aoqi@0 | 679 | static bool has_annotations_field(); |
aoqi@0 | 680 | static oop annotations(oop constructor); |
aoqi@0 | 681 | static void set_annotations(oop constructor, oop value); |
aoqi@0 | 682 | |
aoqi@0 | 683 | static bool has_parameter_annotations_field(); |
aoqi@0 | 684 | static oop parameter_annotations(oop method); |
aoqi@0 | 685 | static void set_parameter_annotations(oop method, oop value); |
aoqi@0 | 686 | |
aoqi@0 | 687 | static bool has_type_annotations_field(); |
aoqi@0 | 688 | static oop type_annotations(oop constructor); |
aoqi@0 | 689 | static void set_type_annotations(oop constructor, oop value); |
aoqi@0 | 690 | |
aoqi@0 | 691 | // Debugging |
aoqi@0 | 692 | friend class JavaClasses; |
aoqi@0 | 693 | }; |
aoqi@0 | 694 | |
aoqi@0 | 695 | |
aoqi@0 | 696 | // Interface to java.lang.reflect.Field objects |
aoqi@0 | 697 | |
aoqi@0 | 698 | class java_lang_reflect_Field : public java_lang_reflect_AccessibleObject { |
aoqi@0 | 699 | private: |
aoqi@0 | 700 | // Note that to reduce dependencies on the JDK we compute these |
aoqi@0 | 701 | // offsets at run-time. |
aoqi@0 | 702 | static int clazz_offset; |
aoqi@0 | 703 | static int name_offset; |
aoqi@0 | 704 | static int type_offset; |
aoqi@0 | 705 | static int slot_offset; |
aoqi@0 | 706 | static int modifiers_offset; |
aoqi@0 | 707 | static int signature_offset; |
aoqi@0 | 708 | static int annotations_offset; |
aoqi@0 | 709 | static int type_annotations_offset; |
aoqi@0 | 710 | |
aoqi@0 | 711 | static void compute_offsets(); |
aoqi@0 | 712 | |
aoqi@0 | 713 | public: |
aoqi@0 | 714 | // Allocation |
aoqi@0 | 715 | static Handle create(TRAPS); |
aoqi@0 | 716 | |
aoqi@0 | 717 | // Accessors |
aoqi@0 | 718 | static oop clazz(oop reflect); |
aoqi@0 | 719 | static void set_clazz(oop reflect, oop value); |
aoqi@0 | 720 | |
aoqi@0 | 721 | static oop name(oop field); |
aoqi@0 | 722 | static void set_name(oop field, oop value); |
aoqi@0 | 723 | |
aoqi@0 | 724 | static oop type(oop field); |
aoqi@0 | 725 | static void set_type(oop field, oop value); |
aoqi@0 | 726 | |
aoqi@0 | 727 | static int slot(oop reflect); |
aoqi@0 | 728 | static void set_slot(oop reflect, int value); |
aoqi@0 | 729 | |
aoqi@0 | 730 | static int modifiers(oop field); |
aoqi@0 | 731 | static void set_modifiers(oop field, int value); |
aoqi@0 | 732 | |
aoqi@0 | 733 | static bool has_signature_field(); |
aoqi@0 | 734 | static oop signature(oop constructor); |
aoqi@0 | 735 | static void set_signature(oop constructor, oop value); |
aoqi@0 | 736 | |
aoqi@0 | 737 | static bool has_annotations_field(); |
aoqi@0 | 738 | static oop annotations(oop constructor); |
aoqi@0 | 739 | static void set_annotations(oop constructor, oop value); |
aoqi@0 | 740 | |
aoqi@0 | 741 | static bool has_parameter_annotations_field(); |
aoqi@0 | 742 | static oop parameter_annotations(oop method); |
aoqi@0 | 743 | static void set_parameter_annotations(oop method, oop value); |
aoqi@0 | 744 | |
aoqi@0 | 745 | static bool has_annotation_default_field(); |
aoqi@0 | 746 | static oop annotation_default(oop method); |
aoqi@0 | 747 | static void set_annotation_default(oop method, oop value); |
aoqi@0 | 748 | |
aoqi@0 | 749 | static bool has_type_annotations_field(); |
aoqi@0 | 750 | static oop type_annotations(oop field); |
aoqi@0 | 751 | static void set_type_annotations(oop field, oop value); |
aoqi@0 | 752 | |
aoqi@0 | 753 | // Debugging |
aoqi@0 | 754 | friend class JavaClasses; |
aoqi@0 | 755 | }; |
aoqi@0 | 756 | |
aoqi@0 | 757 | class java_lang_reflect_Parameter { |
aoqi@0 | 758 | private: |
aoqi@0 | 759 | // Note that to reduce dependencies on the JDK we compute these |
aoqi@0 | 760 | // offsets at run-time. |
aoqi@0 | 761 | static int name_offset; |
aoqi@0 | 762 | static int modifiers_offset; |
aoqi@0 | 763 | static int index_offset; |
aoqi@0 | 764 | static int executable_offset; |
aoqi@0 | 765 | |
aoqi@0 | 766 | static void compute_offsets(); |
aoqi@0 | 767 | |
aoqi@0 | 768 | public: |
aoqi@0 | 769 | // Allocation |
aoqi@0 | 770 | static Handle create(TRAPS); |
aoqi@0 | 771 | |
aoqi@0 | 772 | // Accessors |
aoqi@0 | 773 | static oop name(oop field); |
aoqi@0 | 774 | static void set_name(oop field, oop value); |
aoqi@0 | 775 | |
aoqi@0 | 776 | static int index(oop reflect); |
aoqi@0 | 777 | static void set_index(oop reflect, int value); |
aoqi@0 | 778 | |
aoqi@0 | 779 | static int modifiers(oop reflect); |
aoqi@0 | 780 | static void set_modifiers(oop reflect, int value); |
aoqi@0 | 781 | |
aoqi@0 | 782 | static oop executable(oop constructor); |
aoqi@0 | 783 | static void set_executable(oop constructor, oop value); |
aoqi@0 | 784 | |
aoqi@0 | 785 | friend class JavaClasses; |
aoqi@0 | 786 | }; |
aoqi@0 | 787 | |
aoqi@0 | 788 | // Interface to sun.reflect.ConstantPool objects |
aoqi@0 | 789 | class sun_reflect_ConstantPool { |
aoqi@0 | 790 | private: |
aoqi@0 | 791 | // Note that to reduce dependencies on the JDK we compute these |
aoqi@0 | 792 | // offsets at run-time. |
aoqi@0 | 793 | static int _oop_offset; |
aoqi@0 | 794 | |
aoqi@0 | 795 | static void compute_offsets(); |
aoqi@0 | 796 | |
aoqi@0 | 797 | public: |
aoqi@0 | 798 | // Allocation |
aoqi@0 | 799 | static Handle create(TRAPS); |
aoqi@0 | 800 | |
aoqi@0 | 801 | // Accessors |
aoqi@0 | 802 | static void set_cp(oop reflect, ConstantPool* value); |
aoqi@0 | 803 | static int oop_offset() { |
aoqi@0 | 804 | return _oop_offset; |
aoqi@0 | 805 | } |
aoqi@0 | 806 | |
aoqi@0 | 807 | static ConstantPool* get_cp(oop reflect); |
aoqi@0 | 808 | |
aoqi@0 | 809 | // Debugging |
aoqi@0 | 810 | friend class JavaClasses; |
aoqi@0 | 811 | }; |
aoqi@0 | 812 | |
aoqi@0 | 813 | // Interface to sun.reflect.UnsafeStaticFieldAccessorImpl objects |
aoqi@0 | 814 | class sun_reflect_UnsafeStaticFieldAccessorImpl { |
aoqi@0 | 815 | private: |
aoqi@0 | 816 | static int _base_offset; |
aoqi@0 | 817 | static void compute_offsets(); |
aoqi@0 | 818 | |
aoqi@0 | 819 | public: |
aoqi@0 | 820 | static int base_offset() { |
aoqi@0 | 821 | return _base_offset; |
aoqi@0 | 822 | } |
aoqi@0 | 823 | |
aoqi@0 | 824 | // Debugging |
aoqi@0 | 825 | friend class JavaClasses; |
aoqi@0 | 826 | }; |
aoqi@0 | 827 | |
aoqi@0 | 828 | // Interface to java.lang primitive type boxing objects: |
aoqi@0 | 829 | // - java.lang.Boolean |
aoqi@0 | 830 | // - java.lang.Character |
aoqi@0 | 831 | // - java.lang.Float |
aoqi@0 | 832 | // - java.lang.Double |
aoqi@0 | 833 | // - java.lang.Byte |
aoqi@0 | 834 | // - java.lang.Short |
aoqi@0 | 835 | // - java.lang.Integer |
aoqi@0 | 836 | // - java.lang.Long |
aoqi@0 | 837 | |
aoqi@0 | 838 | // This could be separated out into 8 individual classes. |
aoqi@0 | 839 | |
aoqi@0 | 840 | class java_lang_boxing_object: AllStatic { |
aoqi@0 | 841 | private: |
aoqi@0 | 842 | enum { |
aoqi@0 | 843 | hc_value_offset = 0 |
aoqi@0 | 844 | }; |
aoqi@0 | 845 | static int value_offset; |
aoqi@0 | 846 | static int long_value_offset; |
aoqi@0 | 847 | |
aoqi@0 | 848 | static oop initialize_and_allocate(BasicType type, TRAPS); |
aoqi@0 | 849 | public: |
aoqi@0 | 850 | // Allocation. Returns a boxed value, or NULL for invalid type. |
aoqi@0 | 851 | static oop create(BasicType type, jvalue* value, TRAPS); |
aoqi@0 | 852 | // Accessors. Returns the basic type being boxed, or T_ILLEGAL for invalid oop. |
aoqi@0 | 853 | static BasicType get_value(oop box, jvalue* value); |
aoqi@0 | 854 | static BasicType set_value(oop box, jvalue* value); |
aoqi@0 | 855 | static BasicType basic_type(oop box); |
aoqi@0 | 856 | static bool is_instance(oop box) { return basic_type(box) != T_ILLEGAL; } |
aoqi@0 | 857 | static bool is_instance(oop box, BasicType type) { return basic_type(box) == type; } |
aoqi@0 | 858 | static void print(oop box, outputStream* st) { jvalue value; print(get_value(box, &value), &value, st); } |
aoqi@0 | 859 | static void print(BasicType type, jvalue* value, outputStream* st); |
aoqi@0 | 860 | |
aoqi@0 | 861 | static int value_offset_in_bytes(BasicType type) { |
aoqi@0 | 862 | return ( type == T_LONG || type == T_DOUBLE ) ? long_value_offset : |
aoqi@0 | 863 | value_offset; |
aoqi@0 | 864 | } |
aoqi@0 | 865 | |
aoqi@0 | 866 | // Debugging |
aoqi@0 | 867 | friend class JavaClasses; |
aoqi@0 | 868 | }; |
aoqi@0 | 869 | |
aoqi@0 | 870 | |
aoqi@0 | 871 | |
aoqi@0 | 872 | // Interface to java.lang.ref.Reference objects |
aoqi@0 | 873 | |
aoqi@0 | 874 | class java_lang_ref_Reference: AllStatic { |
aoqi@0 | 875 | public: |
aoqi@0 | 876 | enum { |
aoqi@0 | 877 | hc_referent_offset = 0, |
aoqi@0 | 878 | hc_queue_offset = 1, |
aoqi@0 | 879 | hc_next_offset = 2, |
aoqi@0 | 880 | hc_discovered_offset = 3 // Is not last, see SoftRefs. |
aoqi@0 | 881 | }; |
aoqi@0 | 882 | enum { |
aoqi@0 | 883 | hc_static_lock_offset = 0, |
aoqi@0 | 884 | hc_static_pending_offset = 1 |
aoqi@0 | 885 | }; |
aoqi@0 | 886 | |
aoqi@0 | 887 | static int referent_offset; |
aoqi@0 | 888 | static int queue_offset; |
aoqi@0 | 889 | static int next_offset; |
aoqi@0 | 890 | static int discovered_offset; |
aoqi@0 | 891 | static int static_lock_offset; |
aoqi@0 | 892 | static int static_pending_offset; |
aoqi@0 | 893 | static int number_of_fake_oop_fields; |
aoqi@0 | 894 | |
aoqi@0 | 895 | // Accessors |
aoqi@0 | 896 | static oop referent(oop ref) { |
aoqi@0 | 897 | return ref->obj_field(referent_offset); |
aoqi@0 | 898 | } |
aoqi@0 | 899 | static void set_referent(oop ref, oop value) { |
aoqi@0 | 900 | ref->obj_field_put(referent_offset, value); |
aoqi@0 | 901 | } |
aoqi@0 | 902 | static void set_referent_raw(oop ref, oop value) { |
aoqi@0 | 903 | ref->obj_field_put_raw(referent_offset, value); |
aoqi@0 | 904 | } |
aoqi@0 | 905 | static HeapWord* referent_addr(oop ref) { |
aoqi@0 | 906 | return ref->obj_field_addr<HeapWord>(referent_offset); |
aoqi@0 | 907 | } |
aoqi@0 | 908 | static oop next(oop ref) { |
aoqi@0 | 909 | return ref->obj_field(next_offset); |
aoqi@0 | 910 | } |
aoqi@0 | 911 | static void set_next(oop ref, oop value) { |
aoqi@0 | 912 | ref->obj_field_put(next_offset, value); |
aoqi@0 | 913 | } |
aoqi@0 | 914 | static void set_next_raw(oop ref, oop value) { |
aoqi@0 | 915 | ref->obj_field_put_raw(next_offset, value); |
aoqi@0 | 916 | } |
aoqi@0 | 917 | static HeapWord* next_addr(oop ref) { |
aoqi@0 | 918 | return ref->obj_field_addr<HeapWord>(next_offset); |
aoqi@0 | 919 | } |
aoqi@0 | 920 | static oop discovered(oop ref) { |
aoqi@0 | 921 | return ref->obj_field(discovered_offset); |
aoqi@0 | 922 | } |
aoqi@0 | 923 | static void set_discovered(oop ref, oop value) { |
aoqi@0 | 924 | ref->obj_field_put(discovered_offset, value); |
aoqi@0 | 925 | } |
aoqi@0 | 926 | static void set_discovered_raw(oop ref, oop value) { |
aoqi@0 | 927 | ref->obj_field_put_raw(discovered_offset, value); |
aoqi@0 | 928 | } |
aoqi@0 | 929 | static HeapWord* discovered_addr(oop ref) { |
aoqi@0 | 930 | return ref->obj_field_addr<HeapWord>(discovered_offset); |
aoqi@0 | 931 | } |
kbarrett@9099 | 932 | static inline oop queue(oop ref) { |
kbarrett@9099 | 933 | return ref->obj_field(queue_offset); |
kbarrett@9099 | 934 | } |
kbarrett@9099 | 935 | static inline void set_queue(oop ref, oop value) { |
kbarrett@9099 | 936 | return ref->obj_field_put(queue_offset, value); |
kbarrett@9099 | 937 | } |
aoqi@0 | 938 | // Accessors for statics |
aoqi@0 | 939 | static oop pending_list_lock(); |
aoqi@0 | 940 | static oop pending_list(); |
aoqi@0 | 941 | |
aoqi@0 | 942 | static HeapWord* pending_list_lock_addr(); |
aoqi@0 | 943 | static HeapWord* pending_list_addr(); |
aoqi@0 | 944 | }; |
aoqi@0 | 945 | |
aoqi@0 | 946 | |
aoqi@0 | 947 | // Interface to java.lang.ref.SoftReference objects |
aoqi@0 | 948 | |
aoqi@0 | 949 | class java_lang_ref_SoftReference: public java_lang_ref_Reference { |
aoqi@0 | 950 | public: |
aoqi@0 | 951 | enum { |
aoqi@0 | 952 | // The timestamp is a long field and may need to be adjusted for alignment. |
aoqi@0 | 953 | hc_timestamp_offset = hc_discovered_offset + 1 |
aoqi@0 | 954 | }; |
aoqi@0 | 955 | enum { |
aoqi@0 | 956 | hc_static_clock_offset = 0 |
aoqi@0 | 957 | }; |
aoqi@0 | 958 | |
aoqi@0 | 959 | static int timestamp_offset; |
aoqi@0 | 960 | static int static_clock_offset; |
aoqi@0 | 961 | |
aoqi@0 | 962 | // Accessors |
aoqi@0 | 963 | static jlong timestamp(oop ref); |
aoqi@0 | 964 | |
aoqi@0 | 965 | // Accessors for statics |
aoqi@0 | 966 | static jlong clock(); |
aoqi@0 | 967 | static void set_clock(jlong value); |
aoqi@0 | 968 | }; |
aoqi@0 | 969 | |
aoqi@0 | 970 | |
kbarrett@9099 | 971 | // Interface to java.lang.ref.ReferenceQueue objects |
kbarrett@9099 | 972 | |
kbarrett@9099 | 973 | class java_lang_ref_ReferenceQueue: public AllStatic { |
kbarrett@9099 | 974 | public: |
kbarrett@9099 | 975 | static int static_NULL_queue_offset; |
kbarrett@9099 | 976 | static int static_ENQUEUED_queue_offset; |
kbarrett@9099 | 977 | |
kbarrett@9099 | 978 | // Accessors |
kbarrett@9099 | 979 | static oop NULL_queue(); |
kbarrett@9099 | 980 | static oop ENQUEUED_queue(); |
kbarrett@9099 | 981 | |
kbarrett@9099 | 982 | static void compute_offsets(); |
kbarrett@9099 | 983 | }; |
kbarrett@9099 | 984 | |
aoqi@0 | 985 | // Interface to java.lang.invoke.MethodHandle objects |
aoqi@0 | 986 | |
aoqi@0 | 987 | class MethodHandleEntry; |
aoqi@0 | 988 | |
aoqi@0 | 989 | class java_lang_invoke_MethodHandle: AllStatic { |
aoqi@0 | 990 | friend class JavaClasses; |
aoqi@0 | 991 | |
aoqi@0 | 992 | private: |
aoqi@0 | 993 | static int _type_offset; // the MethodType of this MH |
aoqi@0 | 994 | static int _form_offset; // the LambdaForm of this MH |
aoqi@0 | 995 | |
aoqi@0 | 996 | static void compute_offsets(); |
aoqi@0 | 997 | |
aoqi@0 | 998 | public: |
aoqi@0 | 999 | // Accessors |
aoqi@0 | 1000 | static oop type(oop mh); |
aoqi@0 | 1001 | static void set_type(oop mh, oop mtype); |
aoqi@0 | 1002 | |
aoqi@0 | 1003 | static oop form(oop mh); |
aoqi@0 | 1004 | static void set_form(oop mh, oop lform); |
aoqi@0 | 1005 | |
aoqi@0 | 1006 | // Testers |
aoqi@0 | 1007 | static bool is_subclass(Klass* klass) { |
aoqi@0 | 1008 | return klass->is_subclass_of(SystemDictionary::MethodHandle_klass()); |
aoqi@0 | 1009 | } |
aoqi@0 | 1010 | static bool is_instance(oop obj) { |
aoqi@0 | 1011 | return obj != NULL && is_subclass(obj->klass()); |
aoqi@0 | 1012 | } |
aoqi@0 | 1013 | |
aoqi@0 | 1014 | // Accessors for code generation: |
aoqi@0 | 1015 | static int type_offset_in_bytes() { return _type_offset; } |
aoqi@0 | 1016 | static int form_offset_in_bytes() { return _form_offset; } |
aoqi@0 | 1017 | }; |
aoqi@0 | 1018 | |
aoqi@0 | 1019 | // Interface to java.lang.invoke.DirectMethodHandle objects |
aoqi@0 | 1020 | |
aoqi@0 | 1021 | class java_lang_invoke_DirectMethodHandle: AllStatic { |
aoqi@0 | 1022 | friend class JavaClasses; |
aoqi@0 | 1023 | |
aoqi@0 | 1024 | private: |
aoqi@0 | 1025 | static int _member_offset; // the MemberName of this DMH |
aoqi@0 | 1026 | |
aoqi@0 | 1027 | static void compute_offsets(); |
aoqi@0 | 1028 | |
aoqi@0 | 1029 | public: |
aoqi@0 | 1030 | // Accessors |
aoqi@0 | 1031 | static oop member(oop mh); |
aoqi@0 | 1032 | |
aoqi@0 | 1033 | // Testers |
aoqi@0 | 1034 | static bool is_subclass(Klass* klass) { |
aoqi@0 | 1035 | return klass->is_subclass_of(SystemDictionary::DirectMethodHandle_klass()); |
aoqi@0 | 1036 | } |
aoqi@0 | 1037 | static bool is_instance(oop obj) { |
aoqi@0 | 1038 | return obj != NULL && is_subclass(obj->klass()); |
aoqi@0 | 1039 | } |
aoqi@0 | 1040 | |
aoqi@0 | 1041 | // Accessors for code generation: |
aoqi@0 | 1042 | static int member_offset_in_bytes() { return _member_offset; } |
aoqi@0 | 1043 | }; |
aoqi@0 | 1044 | |
aoqi@0 | 1045 | // Interface to java.lang.invoke.LambdaForm objects |
aoqi@0 | 1046 | // (These are a private interface for managing adapter code generation.) |
aoqi@0 | 1047 | |
aoqi@0 | 1048 | class java_lang_invoke_LambdaForm: AllStatic { |
aoqi@0 | 1049 | friend class JavaClasses; |
aoqi@0 | 1050 | |
aoqi@0 | 1051 | private: |
aoqi@0 | 1052 | static int _vmentry_offset; // type is MemberName |
aoqi@0 | 1053 | |
aoqi@0 | 1054 | static void compute_offsets(); |
aoqi@0 | 1055 | |
aoqi@0 | 1056 | public: |
aoqi@0 | 1057 | // Accessors |
aoqi@0 | 1058 | static oop vmentry(oop lform); |
aoqi@0 | 1059 | static void set_vmentry(oop lform, oop invoker); |
aoqi@0 | 1060 | |
aoqi@0 | 1061 | // Testers |
aoqi@0 | 1062 | static bool is_subclass(Klass* klass) { |
aoqi@0 | 1063 | return SystemDictionary::LambdaForm_klass() != NULL && |
aoqi@0 | 1064 | klass->is_subclass_of(SystemDictionary::LambdaForm_klass()); |
aoqi@0 | 1065 | } |
aoqi@0 | 1066 | static bool is_instance(oop obj) { |
aoqi@0 | 1067 | return obj != NULL && is_subclass(obj->klass()); |
aoqi@0 | 1068 | } |
aoqi@0 | 1069 | |
aoqi@0 | 1070 | // Accessors for code generation: |
aoqi@0 | 1071 | static int vmentry_offset_in_bytes() { return _vmentry_offset; } |
aoqi@0 | 1072 | }; |
aoqi@0 | 1073 | |
aoqi@0 | 1074 | |
aoqi@0 | 1075 | // Interface to java.lang.invoke.MemberName objects |
aoqi@0 | 1076 | // (These are a private interface for Java code to query the class hierarchy.) |
aoqi@0 | 1077 | |
aoqi@0 | 1078 | #define MEMBERNAME_INJECTED_FIELDS(macro) \ |
aoqi@0 | 1079 | macro(java_lang_invoke_MemberName, vmloader, object_signature, false) \ |
aoqi@0 | 1080 | macro(java_lang_invoke_MemberName, vmindex, intptr_signature, false) \ |
aoqi@0 | 1081 | macro(java_lang_invoke_MemberName, vmtarget, intptr_signature, false) |
aoqi@0 | 1082 | |
aoqi@0 | 1083 | class java_lang_invoke_MemberName: AllStatic { |
aoqi@0 | 1084 | friend class JavaClasses; |
aoqi@0 | 1085 | |
aoqi@0 | 1086 | private: |
aoqi@0 | 1087 | // From java.lang.invoke.MemberName: |
aoqi@0 | 1088 | // private Class<?> clazz; // class in which the method is defined |
aoqi@0 | 1089 | // private String name; // may be null if not yet materialized |
aoqi@0 | 1090 | // private Object type; // may be null if not yet materialized |
aoqi@0 | 1091 | // private int flags; // modifier bits; see reflect.Modifier |
aoqi@0 | 1092 | // private intptr vmtarget; // VM-specific target value |
aoqi@0 | 1093 | // private intptr_t vmindex; // member index within class or interface |
aoqi@0 | 1094 | static int _clazz_offset; |
aoqi@0 | 1095 | static int _name_offset; |
aoqi@0 | 1096 | static int _type_offset; |
aoqi@0 | 1097 | static int _flags_offset; |
aoqi@0 | 1098 | static int _vmtarget_offset; |
aoqi@0 | 1099 | static int _vmloader_offset; |
aoqi@0 | 1100 | static int _vmindex_offset; |
aoqi@0 | 1101 | |
aoqi@0 | 1102 | static void compute_offsets(); |
aoqi@0 | 1103 | |
aoqi@0 | 1104 | public: |
aoqi@0 | 1105 | // Accessors |
aoqi@0 | 1106 | static oop clazz(oop mname); |
aoqi@0 | 1107 | static void set_clazz(oop mname, oop clazz); |
aoqi@0 | 1108 | |
aoqi@0 | 1109 | static oop type(oop mname); |
aoqi@0 | 1110 | static void set_type(oop mname, oop type); |
aoqi@0 | 1111 | |
aoqi@0 | 1112 | static oop name(oop mname); |
aoqi@0 | 1113 | static void set_name(oop mname, oop name); |
aoqi@0 | 1114 | |
aoqi@0 | 1115 | static int flags(oop mname); |
aoqi@0 | 1116 | static void set_flags(oop mname, int flags); |
aoqi@0 | 1117 | |
aoqi@0 | 1118 | static Metadata* vmtarget(oop mname); |
aoqi@0 | 1119 | static void set_vmtarget(oop mname, Metadata* target); |
aoqi@0 | 1120 | |
aoqi@0 | 1121 | static intptr_t vmindex(oop mname); |
aoqi@0 | 1122 | static void set_vmindex(oop mname, intptr_t index); |
aoqi@0 | 1123 | |
aoqi@0 | 1124 | // Testers |
aoqi@0 | 1125 | static bool is_subclass(Klass* klass) { |
aoqi@0 | 1126 | return klass->is_subclass_of(SystemDictionary::MemberName_klass()); |
aoqi@0 | 1127 | } |
aoqi@0 | 1128 | static bool is_instance(oop obj) { |
aoqi@0 | 1129 | return obj != NULL && is_subclass(obj->klass()); |
aoqi@0 | 1130 | } |
aoqi@0 | 1131 | |
coleenp@7391 | 1132 | static bool is_method(oop obj); |
coleenp@7391 | 1133 | |
aoqi@0 | 1134 | // Relevant integer codes (keep these in synch. with MethodHandleNatives.Constants): |
aoqi@0 | 1135 | enum { |
aoqi@0 | 1136 | MN_IS_METHOD = 0x00010000, // method (not constructor) |
aoqi@0 | 1137 | MN_IS_CONSTRUCTOR = 0x00020000, // constructor |
aoqi@0 | 1138 | MN_IS_FIELD = 0x00040000, // field |
aoqi@0 | 1139 | MN_IS_TYPE = 0x00080000, // nested type |
aoqi@0 | 1140 | MN_CALLER_SENSITIVE = 0x00100000, // @CallerSensitive annotation detected |
aoqi@0 | 1141 | MN_REFERENCE_KIND_SHIFT = 24, // refKind |
aoqi@0 | 1142 | MN_REFERENCE_KIND_MASK = 0x0F000000 >> MN_REFERENCE_KIND_SHIFT, |
aoqi@0 | 1143 | // The SEARCH_* bits are not for MN.flags but for the matchFlags argument of MHN.getMembers: |
aoqi@0 | 1144 | MN_SEARCH_SUPERCLASSES = 0x00100000, // walk super classes |
aoqi@0 | 1145 | MN_SEARCH_INTERFACES = 0x00200000 // walk implemented interfaces |
aoqi@0 | 1146 | }; |
aoqi@0 | 1147 | |
aoqi@0 | 1148 | // Accessors for code generation: |
aoqi@0 | 1149 | static int clazz_offset_in_bytes() { return _clazz_offset; } |
aoqi@0 | 1150 | static int type_offset_in_bytes() { return _type_offset; } |
aoqi@0 | 1151 | static int name_offset_in_bytes() { return _name_offset; } |
aoqi@0 | 1152 | static int flags_offset_in_bytes() { return _flags_offset; } |
aoqi@0 | 1153 | static int vmtarget_offset_in_bytes() { return _vmtarget_offset; } |
aoqi@0 | 1154 | static int vmindex_offset_in_bytes() { return _vmindex_offset; } |
kevinw@8721 | 1155 | |
kevinw@8721 | 1156 | static bool equals(oop mt1, oop mt2); |
aoqi@0 | 1157 | }; |
aoqi@0 | 1158 | |
aoqi@0 | 1159 | |
aoqi@0 | 1160 | // Interface to java.lang.invoke.MethodType objects |
aoqi@0 | 1161 | |
aoqi@0 | 1162 | class java_lang_invoke_MethodType: AllStatic { |
aoqi@0 | 1163 | friend class JavaClasses; |
aoqi@0 | 1164 | |
aoqi@0 | 1165 | private: |
aoqi@0 | 1166 | static int _rtype_offset; |
aoqi@0 | 1167 | static int _ptypes_offset; |
aoqi@0 | 1168 | |
aoqi@0 | 1169 | static void compute_offsets(); |
aoqi@0 | 1170 | |
aoqi@0 | 1171 | public: |
aoqi@0 | 1172 | // Accessors |
aoqi@0 | 1173 | static oop rtype(oop mt); |
aoqi@0 | 1174 | static objArrayOop ptypes(oop mt); |
aoqi@0 | 1175 | |
aoqi@0 | 1176 | static oop ptype(oop mt, int index); |
aoqi@0 | 1177 | static int ptype_count(oop mt); |
aoqi@0 | 1178 | |
aoqi@0 | 1179 | static int ptype_slot_count(oop mt); // extra counts for long/double |
aoqi@0 | 1180 | static int rtype_slot_count(oop mt); // extra counts for long/double |
aoqi@0 | 1181 | |
aoqi@0 | 1182 | static Symbol* as_signature(oop mt, bool intern_if_not_found, TRAPS); |
aoqi@0 | 1183 | static void print_signature(oop mt, outputStream* st); |
aoqi@0 | 1184 | |
aoqi@0 | 1185 | static bool is_instance(oop obj) { |
aoqi@0 | 1186 | return obj != NULL && obj->klass() == SystemDictionary::MethodType_klass(); |
aoqi@0 | 1187 | } |
aoqi@0 | 1188 | |
aoqi@0 | 1189 | static bool equals(oop mt1, oop mt2); |
aoqi@0 | 1190 | |
aoqi@0 | 1191 | // Accessors for code generation: |
aoqi@0 | 1192 | static int rtype_offset_in_bytes() { return _rtype_offset; } |
aoqi@0 | 1193 | static int ptypes_offset_in_bytes() { return _ptypes_offset; } |
aoqi@0 | 1194 | }; |
aoqi@0 | 1195 | |
aoqi@0 | 1196 | |
aoqi@0 | 1197 | // Interface to java.lang.invoke.CallSite objects |
aoqi@0 | 1198 | |
aoqi@0 | 1199 | class java_lang_invoke_CallSite: AllStatic { |
aoqi@0 | 1200 | friend class JavaClasses; |
aoqi@0 | 1201 | |
aoqi@0 | 1202 | private: |
aoqi@0 | 1203 | static int _target_offset; |
aoqi@0 | 1204 | |
aoqi@0 | 1205 | static void compute_offsets(); |
aoqi@0 | 1206 | |
aoqi@0 | 1207 | public: |
aoqi@0 | 1208 | // Accessors |
aoqi@0 | 1209 | static oop target( oop site) { return site->obj_field( _target_offset); } |
aoqi@0 | 1210 | static void set_target( oop site, oop target) { site->obj_field_put( _target_offset, target); } |
aoqi@0 | 1211 | |
lfoltan@9314 | 1212 | static volatile oop target_volatile(oop site) { return oop((oopDesc *)(site->obj_field_volatile(_target_offset))); } |
aoqi@0 | 1213 | static void set_target_volatile(oop site, oop target) { site->obj_field_put_volatile(_target_offset, target); } |
aoqi@0 | 1214 | |
aoqi@0 | 1215 | // Testers |
aoqi@0 | 1216 | static bool is_subclass(Klass* klass) { |
aoqi@0 | 1217 | return klass->is_subclass_of(SystemDictionary::CallSite_klass()); |
aoqi@0 | 1218 | } |
aoqi@0 | 1219 | static bool is_instance(oop obj) { |
aoqi@0 | 1220 | return obj != NULL && is_subclass(obj->klass()); |
aoqi@0 | 1221 | } |
aoqi@0 | 1222 | |
aoqi@0 | 1223 | // Accessors for code generation: |
aoqi@0 | 1224 | static int target_offset_in_bytes() { return _target_offset; } |
aoqi@0 | 1225 | }; |
aoqi@0 | 1226 | |
aoqi@0 | 1227 | |
aoqi@0 | 1228 | // Interface to java.security.AccessControlContext objects |
aoqi@0 | 1229 | |
aoqi@0 | 1230 | class java_security_AccessControlContext: AllStatic { |
aoqi@0 | 1231 | private: |
aoqi@0 | 1232 | // Note that for this class the layout changed between JDK1.2 and JDK1.3, |
aoqi@0 | 1233 | // so we compute the offsets at startup rather than hard-wiring them. |
aoqi@0 | 1234 | static int _context_offset; |
aoqi@0 | 1235 | static int _privilegedContext_offset; |
aoqi@0 | 1236 | static int _isPrivileged_offset; |
aoqi@0 | 1237 | static int _isAuthorized_offset; |
aoqi@0 | 1238 | |
aoqi@0 | 1239 | static void compute_offsets(); |
aoqi@0 | 1240 | public: |
aoqi@0 | 1241 | static oop create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS); |
aoqi@0 | 1242 | |
aoqi@0 | 1243 | static bool is_authorized(Handle context); |
aoqi@0 | 1244 | |
aoqi@0 | 1245 | // Debugging/initialization |
aoqi@0 | 1246 | friend class JavaClasses; |
aoqi@0 | 1247 | }; |
aoqi@0 | 1248 | |
aoqi@0 | 1249 | |
aoqi@0 | 1250 | // Interface to java.lang.ClassLoader objects |
aoqi@0 | 1251 | |
aoqi@0 | 1252 | #define CLASSLOADER_INJECTED_FIELDS(macro) \ |
aoqi@0 | 1253 | macro(java_lang_ClassLoader, loader_data, intptr_signature, false) |
aoqi@0 | 1254 | |
aoqi@0 | 1255 | class java_lang_ClassLoader : AllStatic { |
aoqi@0 | 1256 | private: |
aoqi@0 | 1257 | // The fake offsets are added by the class loader when java.lang.Class is loaded |
aoqi@0 | 1258 | enum { |
aoqi@0 | 1259 | hc_parent_offset = 0 |
aoqi@0 | 1260 | }; |
aoqi@0 | 1261 | static int _loader_data_offset; |
aoqi@0 | 1262 | static bool offsets_computed; |
aoqi@0 | 1263 | static int parent_offset; |
aoqi@0 | 1264 | static int parallelCapable_offset; |
aoqi@0 | 1265 | |
aoqi@0 | 1266 | public: |
aoqi@0 | 1267 | static void compute_offsets(); |
aoqi@0 | 1268 | |
aoqi@0 | 1269 | static ClassLoaderData** loader_data_addr(oop loader); |
aoqi@0 | 1270 | static ClassLoaderData* loader_data(oop loader); |
aoqi@0 | 1271 | |
aoqi@0 | 1272 | static oop parent(oop loader); |
aoqi@0 | 1273 | static bool isAncestor(oop loader, oop cl); |
aoqi@0 | 1274 | |
aoqi@0 | 1275 | // Support for parallelCapable field |
aoqi@0 | 1276 | static bool parallelCapable(oop the_class_mirror); |
aoqi@0 | 1277 | |
aoqi@0 | 1278 | static bool is_trusted_loader(oop loader); |
aoqi@0 | 1279 | |
aoqi@0 | 1280 | // Fix for 4474172 |
aoqi@0 | 1281 | static oop non_reflection_class_loader(oop loader); |
aoqi@0 | 1282 | |
aoqi@0 | 1283 | // Testers |
aoqi@0 | 1284 | static bool is_subclass(Klass* klass) { |
aoqi@0 | 1285 | return klass->is_subclass_of(SystemDictionary::ClassLoader_klass()); |
aoqi@0 | 1286 | } |
aoqi@0 | 1287 | static bool is_instance(oop obj) { |
aoqi@0 | 1288 | return obj != NULL && is_subclass(obj->klass()); |
aoqi@0 | 1289 | } |
aoqi@0 | 1290 | |
aoqi@0 | 1291 | // Debugging |
aoqi@0 | 1292 | friend class JavaClasses; |
aoqi@0 | 1293 | friend class ClassFileParser; // access to number_of_fake_fields |
aoqi@0 | 1294 | }; |
aoqi@0 | 1295 | |
aoqi@0 | 1296 | |
aoqi@0 | 1297 | // Interface to java.lang.System objects |
aoqi@0 | 1298 | |
aoqi@0 | 1299 | class java_lang_System : AllStatic { |
aoqi@0 | 1300 | private: |
aoqi@0 | 1301 | enum { |
aoqi@0 | 1302 | hc_static_in_offset = 0, |
aoqi@0 | 1303 | hc_static_out_offset = 1, |
aoqi@0 | 1304 | hc_static_err_offset = 2, |
aoqi@0 | 1305 | hc_static_security_offset = 3 |
aoqi@0 | 1306 | }; |
aoqi@0 | 1307 | |
aoqi@0 | 1308 | static int static_in_offset; |
aoqi@0 | 1309 | static int static_out_offset; |
aoqi@0 | 1310 | static int static_err_offset; |
aoqi@0 | 1311 | static int static_security_offset; |
aoqi@0 | 1312 | |
aoqi@0 | 1313 | public: |
aoqi@0 | 1314 | static int in_offset_in_bytes(); |
aoqi@0 | 1315 | static int out_offset_in_bytes(); |
aoqi@0 | 1316 | static int err_offset_in_bytes(); |
aoqi@0 | 1317 | |
aoqi@0 | 1318 | static bool has_security_manager(); |
aoqi@0 | 1319 | |
aoqi@0 | 1320 | // Debugging |
aoqi@0 | 1321 | friend class JavaClasses; |
aoqi@0 | 1322 | }; |
aoqi@0 | 1323 | |
aoqi@0 | 1324 | |
aoqi@0 | 1325 | // Interface to java.lang.StackTraceElement objects |
aoqi@0 | 1326 | |
aoqi@0 | 1327 | class java_lang_StackTraceElement: AllStatic { |
aoqi@0 | 1328 | private: |
aoqi@0 | 1329 | enum { |
aoqi@0 | 1330 | hc_declaringClass_offset = 0, |
aoqi@0 | 1331 | hc_methodName_offset = 1, |
aoqi@0 | 1332 | hc_fileName_offset = 2, |
aoqi@0 | 1333 | hc_lineNumber_offset = 3 |
aoqi@0 | 1334 | }; |
aoqi@0 | 1335 | |
aoqi@0 | 1336 | static int declaringClass_offset; |
aoqi@0 | 1337 | static int methodName_offset; |
aoqi@0 | 1338 | static int fileName_offset; |
aoqi@0 | 1339 | static int lineNumber_offset; |
aoqi@0 | 1340 | |
aoqi@0 | 1341 | public: |
aoqi@0 | 1342 | // Setters |
aoqi@0 | 1343 | static void set_declaringClass(oop element, oop value); |
aoqi@0 | 1344 | static void set_methodName(oop element, oop value); |
aoqi@0 | 1345 | static void set_fileName(oop element, oop value); |
aoqi@0 | 1346 | static void set_lineNumber(oop element, int value); |
aoqi@0 | 1347 | |
aoqi@0 | 1348 | // Create an instance of StackTraceElement |
sspitsyn@7683 | 1349 | static oop create(Handle mirror, int method, int version, int bci, int cpref, TRAPS); |
aoqi@0 | 1350 | static oop create(methodHandle method, int bci, TRAPS); |
aoqi@0 | 1351 | |
aoqi@0 | 1352 | // Debugging |
aoqi@0 | 1353 | friend class JavaClasses; |
aoqi@0 | 1354 | }; |
aoqi@0 | 1355 | |
aoqi@0 | 1356 | |
aoqi@0 | 1357 | // Interface to java.lang.AssertionStatusDirectives objects |
aoqi@0 | 1358 | |
aoqi@0 | 1359 | class java_lang_AssertionStatusDirectives: AllStatic { |
aoqi@0 | 1360 | private: |
aoqi@0 | 1361 | enum { |
aoqi@0 | 1362 | hc_classes_offset, |
aoqi@0 | 1363 | hc_classEnabled_offset, |
aoqi@0 | 1364 | hc_packages_offset, |
aoqi@0 | 1365 | hc_packageEnabled_offset, |
aoqi@0 | 1366 | hc_deflt_offset |
aoqi@0 | 1367 | }; |
aoqi@0 | 1368 | |
aoqi@0 | 1369 | static int classes_offset; |
aoqi@0 | 1370 | static int classEnabled_offset; |
aoqi@0 | 1371 | static int packages_offset; |
aoqi@0 | 1372 | static int packageEnabled_offset; |
aoqi@0 | 1373 | static int deflt_offset; |
aoqi@0 | 1374 | |
aoqi@0 | 1375 | public: |
aoqi@0 | 1376 | // Setters |
aoqi@0 | 1377 | static void set_classes(oop obj, oop val); |
aoqi@0 | 1378 | static void set_classEnabled(oop obj, oop val); |
aoqi@0 | 1379 | static void set_packages(oop obj, oop val); |
aoqi@0 | 1380 | static void set_packageEnabled(oop obj, oop val); |
aoqi@0 | 1381 | static void set_deflt(oop obj, bool val); |
aoqi@0 | 1382 | // Debugging |
aoqi@0 | 1383 | friend class JavaClasses; |
aoqi@0 | 1384 | }; |
aoqi@0 | 1385 | |
aoqi@0 | 1386 | |
aoqi@0 | 1387 | class java_nio_Buffer: AllStatic { |
aoqi@0 | 1388 | private: |
aoqi@0 | 1389 | static int _limit_offset; |
aoqi@0 | 1390 | |
aoqi@0 | 1391 | public: |
aoqi@0 | 1392 | static int limit_offset(); |
aoqi@0 | 1393 | static void compute_offsets(); |
aoqi@0 | 1394 | }; |
aoqi@0 | 1395 | |
aoqi@0 | 1396 | class java_util_concurrent_locks_AbstractOwnableSynchronizer : AllStatic { |
aoqi@0 | 1397 | private: |
aoqi@0 | 1398 | static int _owner_offset; |
aoqi@0 | 1399 | public: |
aoqi@0 | 1400 | static void initialize(TRAPS); |
aoqi@0 | 1401 | static oop get_owner_threadObj(oop obj); |
aoqi@0 | 1402 | }; |
aoqi@0 | 1403 | |
aoqi@0 | 1404 | // Use to declare fields that need to be injected into Java classes |
aoqi@0 | 1405 | // for the JVM to use. The name_index and signature_index are |
aoqi@0 | 1406 | // declared in vmSymbols. The may_be_java flag is used to declare |
aoqi@0 | 1407 | // fields that might already exist in Java but should be injected if |
aoqi@0 | 1408 | // they don't. Otherwise the field is unconditionally injected and |
aoqi@0 | 1409 | // the JVM uses the injected one. This is to ensure that name |
aoqi@0 | 1410 | // collisions don't occur. In general may_be_java should be false |
aoqi@0 | 1411 | // unless there's a good reason. |
aoqi@0 | 1412 | |
aoqi@0 | 1413 | class InjectedField { |
aoqi@0 | 1414 | public: |
aoqi@0 | 1415 | const SystemDictionary::WKID klass_id; |
aoqi@0 | 1416 | const vmSymbols::SID name_index; |
aoqi@0 | 1417 | const vmSymbols::SID signature_index; |
aoqi@0 | 1418 | const bool may_be_java; |
aoqi@0 | 1419 | |
aoqi@0 | 1420 | |
aoqi@0 | 1421 | Klass* klass() const { return SystemDictionary::well_known_klass(klass_id); } |
aoqi@0 | 1422 | Symbol* name() const { return lookup_symbol(name_index); } |
aoqi@0 | 1423 | Symbol* signature() const { return lookup_symbol(signature_index); } |
aoqi@0 | 1424 | |
aoqi@0 | 1425 | int compute_offset(); |
aoqi@0 | 1426 | |
aoqi@0 | 1427 | // Find the Symbol for this index |
aoqi@0 | 1428 | static Symbol* lookup_symbol(int symbol_index) { |
aoqi@0 | 1429 | return vmSymbols::symbol_at((vmSymbols::SID)symbol_index); |
aoqi@0 | 1430 | } |
aoqi@0 | 1431 | }; |
aoqi@0 | 1432 | |
aoqi@0 | 1433 | #define DECLARE_INJECTED_FIELD_ENUM(klass, name, signature, may_be_java) \ |
aoqi@0 | 1434 | klass##_##name##_enum, |
aoqi@0 | 1435 | |
aoqi@0 | 1436 | #define ALL_INJECTED_FIELDS(macro) \ |
aoqi@0 | 1437 | CLASS_INJECTED_FIELDS(macro) \ |
aoqi@0 | 1438 | CLASSLOADER_INJECTED_FIELDS(macro) \ |
aoqi@0 | 1439 | MEMBERNAME_INJECTED_FIELDS(macro) |
aoqi@0 | 1440 | |
aoqi@0 | 1441 | // Interface to hard-coded offset checking |
aoqi@0 | 1442 | |
aoqi@0 | 1443 | class JavaClasses : AllStatic { |
aoqi@0 | 1444 | private: |
aoqi@0 | 1445 | |
aoqi@0 | 1446 | static InjectedField _injected_fields[]; |
aoqi@0 | 1447 | |
aoqi@0 | 1448 | static bool check_offset(const char *klass_name, int offset, const char *field_name, const char* field_sig) PRODUCT_RETURN0; |
aoqi@0 | 1449 | static bool check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) PRODUCT_RETURN0; |
aoqi@0 | 1450 | static bool check_constant(const char *klass_name, int constant, const char *field_name, const char* field_sig) PRODUCT_RETURN0; |
aoqi@0 | 1451 | |
aoqi@0 | 1452 | public: |
aoqi@0 | 1453 | enum InjectedFieldID { |
aoqi@0 | 1454 | ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD_ENUM) |
aoqi@0 | 1455 | MAX_enum |
aoqi@0 | 1456 | }; |
aoqi@0 | 1457 | |
aoqi@0 | 1458 | static int compute_injected_offset(InjectedFieldID id); |
aoqi@0 | 1459 | |
aoqi@0 | 1460 | static void compute_hard_coded_offsets(); |
aoqi@0 | 1461 | static void compute_offsets(); |
aoqi@0 | 1462 | static void check_offsets() PRODUCT_RETURN; |
aoqi@0 | 1463 | |
aoqi@0 | 1464 | static InjectedField* get_injected(Symbol* class_name, int* field_count); |
aoqi@0 | 1465 | }; |
aoqi@0 | 1466 | |
aoqi@0 | 1467 | #undef DECLARE_INJECTED_FIELD_ENUM |
aoqi@0 | 1468 | |
aoqi@0 | 1469 | #endif // SHARE_VM_CLASSFILE_JAVACLASSES_HPP |