Fri, 27 Feb 2009 13:27:09 -0800
6810672: Comment typos
Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never
duke@435 | 1 | /* |
xdono@631 | 2 | * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | # include "incls/_precompiled.incl" |
duke@435 | 26 | # include "incls/_javaClasses.cpp.incl" |
duke@435 | 27 | |
jrose@567 | 28 | // Helpful routine for computing field offsets at run time rather than hardcoding them |
jrose@567 | 29 | static void |
jrose@567 | 30 | compute_offset(int &dest_offset, |
jrose@567 | 31 | klassOop klass_oop, symbolOop name_symbol, symbolOop signature_symbol) { |
jrose@567 | 32 | fieldDescriptor fd; |
jrose@567 | 33 | instanceKlass* ik = instanceKlass::cast(klass_oop); |
jrose@567 | 34 | if (!ik->find_local_field(name_symbol, signature_symbol, &fd)) { |
jrose@567 | 35 | ResourceMark rm; |
jrose@567 | 36 | tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string()); |
jrose@567 | 37 | fatal("Invalid layout of preloaded class"); |
jrose@567 | 38 | } |
jrose@567 | 39 | dest_offset = fd.offset(); |
duke@435 | 40 | } |
duke@435 | 41 | |
duke@435 | 42 | // Same as above but for "optional" offsets that might not be present in certain JDK versions |
jrose@567 | 43 | static void |
jrose@567 | 44 | compute_optional_offset(int& dest_offset, |
jrose@567 | 45 | klassOop klass_oop, symbolOop name_symbol, symbolOop signature_symbol) { |
jrose@567 | 46 | fieldDescriptor fd; |
jrose@567 | 47 | instanceKlass* ik = instanceKlass::cast(klass_oop); |
jrose@567 | 48 | if (ik->find_local_field(name_symbol, signature_symbol, &fd)) { |
jrose@567 | 49 | dest_offset = fd.offset(); |
jrose@567 | 50 | } |
duke@435 | 51 | } |
duke@435 | 52 | |
duke@435 | 53 | Handle java_lang_String::basic_create(int length, bool tenured, TRAPS) { |
duke@435 | 54 | // Create the String object first, so there's a chance that the String |
duke@435 | 55 | // and the char array it points to end up in the same cache line. |
duke@435 | 56 | oop obj; |
duke@435 | 57 | if (tenured) { |
duke@435 | 58 | obj = instanceKlass::cast(SystemDictionary::string_klass())->allocate_permanent_instance(CHECK_NH); |
duke@435 | 59 | } else { |
duke@435 | 60 | obj = instanceKlass::cast(SystemDictionary::string_klass())->allocate_instance(CHECK_NH); |
duke@435 | 61 | } |
duke@435 | 62 | |
duke@435 | 63 | // Create the char array. The String object must be handlized here |
duke@435 | 64 | // because GC can happen as a result of the allocation attempt. |
duke@435 | 65 | Handle h_obj(THREAD, obj); |
duke@435 | 66 | typeArrayOop buffer; |
duke@435 | 67 | if (tenured) { |
duke@435 | 68 | buffer = oopFactory::new_permanent_charArray(length, CHECK_NH); |
duke@435 | 69 | } else { |
duke@435 | 70 | buffer = oopFactory::new_charArray(length, CHECK_NH); |
duke@435 | 71 | } |
duke@435 | 72 | |
duke@435 | 73 | // Point the String at the char array |
duke@435 | 74 | obj = h_obj(); |
duke@435 | 75 | set_value(obj, buffer); |
duke@435 | 76 | // No need to zero the offset, allocation zero'ed the entire String object |
duke@435 | 77 | assert(offset(obj) == 0, "initial String offset should be zero"); |
duke@435 | 78 | //set_offset(obj, 0); |
duke@435 | 79 | set_count(obj, length); |
duke@435 | 80 | |
duke@435 | 81 | return h_obj; |
duke@435 | 82 | } |
duke@435 | 83 | |
duke@435 | 84 | Handle java_lang_String::basic_create_from_unicode(jchar* unicode, int length, bool tenured, TRAPS) { |
duke@435 | 85 | Handle h_obj = basic_create(length, tenured, CHECK_NH); |
duke@435 | 86 | typeArrayOop buffer = value(h_obj()); |
duke@435 | 87 | for (int index = 0; index < length; index++) { |
duke@435 | 88 | buffer->char_at_put(index, unicode[index]); |
duke@435 | 89 | } |
duke@435 | 90 | return h_obj; |
duke@435 | 91 | } |
duke@435 | 92 | |
duke@435 | 93 | Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) { |
duke@435 | 94 | return basic_create_from_unicode(unicode, length, false, CHECK_NH); |
duke@435 | 95 | } |
duke@435 | 96 | |
duke@435 | 97 | Handle java_lang_String::create_tenured_from_unicode(jchar* unicode, int length, TRAPS) { |
duke@435 | 98 | return basic_create_from_unicode(unicode, length, true, CHECK_NH); |
duke@435 | 99 | } |
duke@435 | 100 | |
duke@435 | 101 | oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) { |
duke@435 | 102 | Handle h_obj = basic_create_from_unicode(unicode, length, false, CHECK_0); |
duke@435 | 103 | return h_obj(); |
duke@435 | 104 | } |
duke@435 | 105 | |
duke@435 | 106 | Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) { |
duke@435 | 107 | if (utf8_str == NULL) { |
duke@435 | 108 | return Handle(); |
duke@435 | 109 | } |
duke@435 | 110 | int length = UTF8::unicode_length(utf8_str); |
duke@435 | 111 | Handle h_obj = basic_create(length, false, CHECK_NH); |
duke@435 | 112 | if (length > 0) { |
duke@435 | 113 | UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length); |
duke@435 | 114 | } |
duke@435 | 115 | return h_obj; |
duke@435 | 116 | } |
duke@435 | 117 | |
duke@435 | 118 | oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) { |
duke@435 | 119 | Handle h_obj = create_from_str(utf8_str, CHECK_0); |
duke@435 | 120 | return h_obj(); |
duke@435 | 121 | } |
duke@435 | 122 | |
duke@435 | 123 | Handle java_lang_String::create_from_symbol(symbolHandle symbol, TRAPS) { |
duke@435 | 124 | int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length()); |
duke@435 | 125 | Handle h_obj = basic_create(length, false, CHECK_NH); |
duke@435 | 126 | if (length > 0) { |
duke@435 | 127 | UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length); |
duke@435 | 128 | } |
duke@435 | 129 | return h_obj; |
duke@435 | 130 | } |
duke@435 | 131 | |
duke@435 | 132 | // Converts a C string to a Java String based on current encoding |
duke@435 | 133 | Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) { |
duke@435 | 134 | assert(str != NULL, "bad arguments"); |
duke@435 | 135 | |
duke@435 | 136 | typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *); |
duke@435 | 137 | static to_java_string_fn_t _to_java_string_fn = NULL; |
duke@435 | 138 | |
duke@435 | 139 | if (_to_java_string_fn == NULL) { |
duke@435 | 140 | void *lib_handle = os::native_java_library(); |
duke@435 | 141 | _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, hpi::dll_lookup(lib_handle, "NewStringPlatform")); |
duke@435 | 142 | if (_to_java_string_fn == NULL) { |
duke@435 | 143 | fatal("NewStringPlatform missing"); |
duke@435 | 144 | } |
duke@435 | 145 | } |
duke@435 | 146 | |
duke@435 | 147 | jstring js = NULL; |
duke@435 | 148 | { JavaThread* thread = (JavaThread*)THREAD; |
duke@435 | 149 | assert(thread->is_Java_thread(), "must be java thread"); |
coleenp@457 | 150 | HandleMark hm(thread); |
duke@435 | 151 | ThreadToNativeFromVM ttn(thread); |
duke@435 | 152 | js = (_to_java_string_fn)(thread->jni_environment(), str); |
duke@435 | 153 | } |
duke@435 | 154 | return Handle(THREAD, JNIHandles::resolve(js)); |
duke@435 | 155 | } |
duke@435 | 156 | |
coleenp@457 | 157 | // Converts a Java String to a native C string that can be used for |
coleenp@457 | 158 | // native OS calls. |
coleenp@457 | 159 | char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) { |
coleenp@457 | 160 | |
coleenp@457 | 161 | typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*); |
coleenp@457 | 162 | static to_platform_string_fn_t _to_platform_string_fn = NULL; |
coleenp@457 | 163 | |
coleenp@457 | 164 | if (_to_platform_string_fn == NULL) { |
coleenp@457 | 165 | void *lib_handle = os::native_java_library(); |
coleenp@457 | 166 | _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, hpi::dll_lookup(lib_handle, "GetStringPlatformChars")); |
coleenp@457 | 167 | if (_to_platform_string_fn == NULL) { |
coleenp@457 | 168 | fatal("GetStringPlatformChars missing"); |
coleenp@457 | 169 | } |
coleenp@457 | 170 | } |
coleenp@457 | 171 | |
coleenp@457 | 172 | char *native_platform_string; |
coleenp@457 | 173 | { JavaThread* thread = (JavaThread*)THREAD; |
coleenp@457 | 174 | assert(thread->is_Java_thread(), "must be java thread"); |
coleenp@457 | 175 | JNIEnv *env = thread->jni_environment(); |
coleenp@457 | 176 | jstring js = (jstring) JNIHandles::make_local(env, java_string()); |
coleenp@457 | 177 | bool is_copy; |
coleenp@457 | 178 | HandleMark hm(thread); |
coleenp@457 | 179 | ThreadToNativeFromVM ttn(thread); |
coleenp@457 | 180 | native_platform_string = (_to_platform_string_fn)(env, js, &is_copy); |
coleenp@457 | 181 | assert(is_copy == JNI_TRUE, "is_copy value changed"); |
coleenp@457 | 182 | JNIHandles::destroy_local(js); |
coleenp@457 | 183 | } |
coleenp@457 | 184 | return native_platform_string; |
coleenp@457 | 185 | } |
coleenp@457 | 186 | |
duke@435 | 187 | Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) { |
duke@435 | 188 | oop obj = java_string(); |
duke@435 | 189 | // Typical usage is to convert all '/' to '.' in string. |
duke@435 | 190 | typeArrayOop value = java_lang_String::value(obj); |
duke@435 | 191 | int offset = java_lang_String::offset(obj); |
duke@435 | 192 | int length = java_lang_String::length(obj); |
duke@435 | 193 | |
duke@435 | 194 | // First check if any from_char exist |
duke@435 | 195 | int index; // Declared outside, used later |
duke@435 | 196 | for (index = 0; index < length; index++) { |
duke@435 | 197 | if (value->char_at(index + offset) == from_char) { |
duke@435 | 198 | break; |
duke@435 | 199 | } |
duke@435 | 200 | } |
duke@435 | 201 | if (index == length) { |
duke@435 | 202 | // No from_char, so do not copy. |
duke@435 | 203 | return java_string; |
duke@435 | 204 | } |
duke@435 | 205 | |
duke@435 | 206 | // Create new UNICODE buffer. Must handlize value because GC |
duke@435 | 207 | // may happen during String and char array creation. |
duke@435 | 208 | typeArrayHandle h_value(THREAD, value); |
duke@435 | 209 | Handle string = basic_create(length, false, CHECK_NH); |
duke@435 | 210 | |
duke@435 | 211 | typeArrayOop from_buffer = h_value(); |
duke@435 | 212 | typeArrayOop to_buffer = java_lang_String::value(string()); |
duke@435 | 213 | |
duke@435 | 214 | // Copy contents |
duke@435 | 215 | for (index = 0; index < length; index++) { |
duke@435 | 216 | jchar c = from_buffer->char_at(index + offset); |
duke@435 | 217 | if (c == from_char) { |
duke@435 | 218 | c = to_char; |
duke@435 | 219 | } |
duke@435 | 220 | to_buffer->char_at_put(index, c); |
duke@435 | 221 | } |
duke@435 | 222 | return string; |
duke@435 | 223 | } |
duke@435 | 224 | |
duke@435 | 225 | jchar* java_lang_String::as_unicode_string(oop java_string, int& length) { |
duke@435 | 226 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 227 | int offset = java_lang_String::offset(java_string); |
duke@435 | 228 | length = java_lang_String::length(java_string); |
duke@435 | 229 | |
duke@435 | 230 | jchar* result = NEW_RESOURCE_ARRAY(jchar, length); |
duke@435 | 231 | for (int index = 0; index < length; index++) { |
duke@435 | 232 | result[index] = value->char_at(index + offset); |
duke@435 | 233 | } |
duke@435 | 234 | return result; |
duke@435 | 235 | } |
duke@435 | 236 | |
duke@435 | 237 | symbolHandle java_lang_String::as_symbol(Handle java_string, TRAPS) { |
duke@435 | 238 | oop obj = java_string(); |
duke@435 | 239 | typeArrayOop value = java_lang_String::value(obj); |
duke@435 | 240 | int offset = java_lang_String::offset(obj); |
duke@435 | 241 | int length = java_lang_String::length(obj); |
duke@435 | 242 | |
duke@435 | 243 | ResourceMark rm(THREAD); |
duke@435 | 244 | symbolHandle result; |
duke@435 | 245 | |
duke@435 | 246 | if (length > 0) { |
duke@435 | 247 | int utf8_length = UNICODE::utf8_length(value->char_at_addr(offset), length); |
duke@435 | 248 | char* chars = NEW_RESOURCE_ARRAY(char, utf8_length + 1); |
duke@435 | 249 | UNICODE::convert_to_utf8(value->char_at_addr(offset), length, chars); |
duke@435 | 250 | // Allocate the symbol |
duke@435 | 251 | result = oopFactory::new_symbol_handle(chars, utf8_length, CHECK_(symbolHandle())); |
duke@435 | 252 | } else { |
duke@435 | 253 | result = oopFactory::new_symbol_handle("", 0, CHECK_(symbolHandle())); |
duke@435 | 254 | } |
duke@435 | 255 | return result; |
duke@435 | 256 | } |
duke@435 | 257 | |
duke@435 | 258 | int java_lang_String::utf8_length(oop java_string) { |
duke@435 | 259 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 260 | int offset = java_lang_String::offset(java_string); |
duke@435 | 261 | int length = java_lang_String::length(java_string); |
duke@435 | 262 | jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
duke@435 | 263 | return UNICODE::utf8_length(position, length); |
duke@435 | 264 | } |
duke@435 | 265 | |
duke@435 | 266 | char* java_lang_String::as_utf8_string(oop java_string) { |
duke@435 | 267 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 268 | int offset = java_lang_String::offset(java_string); |
duke@435 | 269 | int length = java_lang_String::length(java_string); |
duke@435 | 270 | jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
duke@435 | 271 | return UNICODE::as_utf8(position, length); |
duke@435 | 272 | } |
duke@435 | 273 | |
duke@435 | 274 | char* java_lang_String::as_utf8_string(oop java_string, int start, int len) { |
duke@435 | 275 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 276 | int offset = java_lang_String::offset(java_string); |
duke@435 | 277 | int length = java_lang_String::length(java_string); |
duke@435 | 278 | assert(start + len <= length, "just checking"); |
duke@435 | 279 | jchar* position = value->char_at_addr(offset + start); |
duke@435 | 280 | return UNICODE::as_utf8(position, len); |
duke@435 | 281 | } |
duke@435 | 282 | |
duke@435 | 283 | bool java_lang_String::equals(oop java_string, jchar* chars, int len) { |
duke@435 | 284 | assert(SharedSkipVerify || |
duke@435 | 285 | java_string->klass() == SystemDictionary::string_klass(), |
duke@435 | 286 | "must be java_string"); |
duke@435 | 287 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 288 | int offset = java_lang_String::offset(java_string); |
duke@435 | 289 | int length = java_lang_String::length(java_string); |
duke@435 | 290 | if (length != len) { |
duke@435 | 291 | return false; |
duke@435 | 292 | } |
duke@435 | 293 | for (int i = 0; i < len; i++) { |
duke@435 | 294 | if (value->char_at(i + offset) != chars[i]) { |
duke@435 | 295 | return false; |
duke@435 | 296 | } |
duke@435 | 297 | } |
duke@435 | 298 | return true; |
duke@435 | 299 | } |
duke@435 | 300 | |
duke@435 | 301 | void java_lang_String::print(Handle java_string, outputStream* st) { |
duke@435 | 302 | oop obj = java_string(); |
duke@435 | 303 | assert(obj->klass() == SystemDictionary::string_klass(), "must be java_string"); |
duke@435 | 304 | typeArrayOop value = java_lang_String::value(obj); |
duke@435 | 305 | int offset = java_lang_String::offset(obj); |
duke@435 | 306 | int length = java_lang_String::length(obj); |
duke@435 | 307 | |
duke@435 | 308 | int end = MIN2(length, 100); |
duke@435 | 309 | if (value == NULL) { |
duke@435 | 310 | // This can happen if, e.g., printing a String |
duke@435 | 311 | // object before its initializer has been called |
duke@435 | 312 | st->print_cr("NULL"); |
duke@435 | 313 | } else { |
duke@435 | 314 | st->print("\""); |
duke@435 | 315 | for (int index = 0; index < length; index++) { |
duke@435 | 316 | st->print("%c", value->char_at(index + offset)); |
duke@435 | 317 | } |
duke@435 | 318 | st->print("\""); |
duke@435 | 319 | } |
duke@435 | 320 | } |
duke@435 | 321 | |
duke@435 | 322 | |
duke@435 | 323 | oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) { |
duke@435 | 324 | assert(k->java_mirror() == NULL, "should only assign mirror once"); |
duke@435 | 325 | // Use this moment of initialization to cache modifier_flags also, |
duke@435 | 326 | // to support Class.getModifiers(). Instance classes recalculate |
duke@435 | 327 | // the cached flags after the class file is parsed, but before the |
duke@435 | 328 | // class is put into the system dictionary. |
duke@435 | 329 | int computed_modifiers = k->compute_modifier_flags(CHECK_0); |
duke@435 | 330 | k->set_modifier_flags(computed_modifiers); |
duke@435 | 331 | if (SystemDictionary::class_klass_loaded()) { |
duke@435 | 332 | // Allocate mirror (java.lang.Class instance) |
duke@435 | 333 | Handle mirror = instanceKlass::cast(SystemDictionary::class_klass())->allocate_permanent_instance(CHECK_0); |
duke@435 | 334 | // Setup indirections |
duke@435 | 335 | mirror->obj_field_put(klass_offset, k()); |
duke@435 | 336 | k->set_java_mirror(mirror()); |
duke@435 | 337 | // It might also have a component mirror. This mirror must already exist. |
duke@435 | 338 | if (k->oop_is_javaArray()) { |
duke@435 | 339 | Handle comp_mirror; |
duke@435 | 340 | if (k->oop_is_typeArray()) { |
duke@435 | 341 | BasicType type = typeArrayKlass::cast(k->as_klassOop())->element_type(); |
duke@435 | 342 | comp_mirror = Universe::java_mirror(type); |
duke@435 | 343 | assert(comp_mirror.not_null(), "must have primitive mirror"); |
duke@435 | 344 | } else if (k->oop_is_objArray()) { |
duke@435 | 345 | klassOop element_klass = objArrayKlass::cast(k->as_klassOop())->element_klass(); |
duke@435 | 346 | if (element_klass != NULL |
duke@435 | 347 | && (Klass::cast(element_klass)->oop_is_instance() || |
duke@435 | 348 | Klass::cast(element_klass)->oop_is_javaArray())) { |
duke@435 | 349 | comp_mirror = Klass::cast(element_klass)->java_mirror(); |
duke@435 | 350 | assert(comp_mirror.not_null(), "must have element mirror"); |
duke@435 | 351 | } |
duke@435 | 352 | // else some object array internal to the VM, like systemObjArrayKlassObj |
duke@435 | 353 | } |
duke@435 | 354 | if (comp_mirror.not_null()) { |
duke@435 | 355 | // Two-way link between the array klass and its component mirror: |
duke@435 | 356 | arrayKlass::cast(k->as_klassOop())->set_component_mirror(comp_mirror()); |
duke@435 | 357 | set_array_klass(comp_mirror(), k->as_klassOop()); |
duke@435 | 358 | } |
duke@435 | 359 | } |
duke@435 | 360 | return mirror(); |
duke@435 | 361 | } else { |
duke@435 | 362 | return NULL; |
duke@435 | 363 | } |
duke@435 | 364 | } |
duke@435 | 365 | |
duke@435 | 366 | |
duke@435 | 367 | oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) { |
duke@435 | 368 | // This should be improved by adding a field at the Java level or by |
duke@435 | 369 | // introducing a new VM klass (see comment in ClassFileParser) |
duke@435 | 370 | oop java_class = instanceKlass::cast(SystemDictionary::class_klass())->allocate_permanent_instance(CHECK_0); |
duke@435 | 371 | if (type != T_VOID) { |
duke@435 | 372 | klassOop aklass = Universe::typeArrayKlassObj(type); |
duke@435 | 373 | assert(aklass != NULL, "correct bootstrap"); |
duke@435 | 374 | set_array_klass(java_class, aklass); |
duke@435 | 375 | } |
duke@435 | 376 | return java_class; |
duke@435 | 377 | } |
duke@435 | 378 | |
duke@435 | 379 | |
duke@435 | 380 | klassOop java_lang_Class::as_klassOop(oop java_class) { |
duke@435 | 381 | //%note memory_2 |
duke@435 | 382 | klassOop k = klassOop(java_class->obj_field(klass_offset)); |
duke@435 | 383 | assert(k == NULL || k->is_klass(), "type check"); |
duke@435 | 384 | return k; |
duke@435 | 385 | } |
duke@435 | 386 | |
duke@435 | 387 | |
duke@435 | 388 | klassOop java_lang_Class::array_klass(oop java_class) { |
duke@435 | 389 | klassOop k = klassOop(java_class->obj_field(array_klass_offset)); |
duke@435 | 390 | assert(k == NULL || k->is_klass() && Klass::cast(k)->oop_is_javaArray(), "should be array klass"); |
duke@435 | 391 | return k; |
duke@435 | 392 | } |
duke@435 | 393 | |
duke@435 | 394 | |
duke@435 | 395 | void java_lang_Class::set_array_klass(oop java_class, klassOop klass) { |
duke@435 | 396 | assert(klass->is_klass() && Klass::cast(klass)->oop_is_javaArray(), "should be array klass"); |
duke@435 | 397 | java_class->obj_field_put(array_klass_offset, klass); |
duke@435 | 398 | } |
duke@435 | 399 | |
duke@435 | 400 | |
duke@435 | 401 | methodOop java_lang_Class::resolved_constructor(oop java_class) { |
duke@435 | 402 | oop constructor = java_class->obj_field(resolved_constructor_offset); |
duke@435 | 403 | assert(constructor == NULL || constructor->is_method(), "should be method"); |
duke@435 | 404 | return methodOop(constructor); |
duke@435 | 405 | } |
duke@435 | 406 | |
duke@435 | 407 | |
duke@435 | 408 | void java_lang_Class::set_resolved_constructor(oop java_class, methodOop constructor) { |
duke@435 | 409 | assert(constructor->is_method(), "should be method"); |
duke@435 | 410 | java_class->obj_field_put(resolved_constructor_offset, constructor); |
duke@435 | 411 | } |
duke@435 | 412 | |
duke@435 | 413 | |
duke@435 | 414 | bool java_lang_Class::is_primitive(oop java_class) { |
duke@435 | 415 | klassOop k = klassOop(java_class->obj_field(klass_offset)); |
duke@435 | 416 | return k == NULL; |
duke@435 | 417 | } |
duke@435 | 418 | |
duke@435 | 419 | |
duke@435 | 420 | BasicType java_lang_Class::primitive_type(oop java_class) { |
duke@435 | 421 | assert(java_lang_Class::is_primitive(java_class), "just checking"); |
duke@435 | 422 | klassOop ak = klassOop(java_class->obj_field(array_klass_offset)); |
duke@435 | 423 | BasicType type = T_VOID; |
duke@435 | 424 | if (ak != NULL) { |
duke@435 | 425 | // Note: create_basic_type_mirror above initializes ak to a non-null value. |
duke@435 | 426 | type = arrayKlass::cast(ak)->element_type(); |
duke@435 | 427 | } else { |
duke@435 | 428 | assert(java_class == Universe::void_mirror(), "only valid non-array primitive"); |
duke@435 | 429 | } |
duke@435 | 430 | assert(Universe::java_mirror(type) == java_class, "must be consistent"); |
duke@435 | 431 | return type; |
duke@435 | 432 | } |
duke@435 | 433 | |
duke@435 | 434 | |
duke@435 | 435 | oop java_lang_Class::primitive_mirror(BasicType t) { |
duke@435 | 436 | oop mirror = Universe::java_mirror(t); |
duke@435 | 437 | assert(mirror != NULL && mirror->is_a(SystemDictionary::class_klass()), "must be a Class"); |
duke@435 | 438 | assert(java_lang_Class::is_primitive(mirror), "must be primitive"); |
duke@435 | 439 | return mirror; |
duke@435 | 440 | } |
duke@435 | 441 | |
duke@435 | 442 | bool java_lang_Class::offsets_computed = false; |
duke@435 | 443 | int java_lang_Class::classRedefinedCount_offset = -1; |
acorn@949 | 444 | int java_lang_Class::parallelCapable_offset = -1; |
duke@435 | 445 | |
duke@435 | 446 | void java_lang_Class::compute_offsets() { |
duke@435 | 447 | assert(!offsets_computed, "offsets should be initialized only once"); |
duke@435 | 448 | offsets_computed = true; |
duke@435 | 449 | |
duke@435 | 450 | klassOop k = SystemDictionary::class_klass(); |
duke@435 | 451 | // The classRedefinedCount field is only present starting in 1.5, |
duke@435 | 452 | // so don't go fatal. |
jrose@567 | 453 | compute_optional_offset(classRedefinedCount_offset, |
duke@435 | 454 | k, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature()); |
acorn@949 | 455 | |
acorn@949 | 456 | // The field indicating parallelCapable (parallelLockMap) is only present starting in 7, |
acorn@949 | 457 | klassOop k1 = SystemDictionary::classloader_klass(); |
acorn@949 | 458 | compute_optional_offset(parallelCapable_offset, |
acorn@949 | 459 | k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature()); |
acorn@949 | 460 | } |
acorn@949 | 461 | |
acorn@949 | 462 | // For class loader classes, parallelCapable defined |
acorn@949 | 463 | // based on non-null field |
acorn@949 | 464 | // Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it |
acorn@949 | 465 | bool java_lang_Class::parallelCapable(oop class_loader) { |
acorn@949 | 466 | if (!JDK_Version::is_gte_jdk17x_version() |
acorn@949 | 467 | || parallelCapable_offset == -1) { |
acorn@949 | 468 | // Default for backward compatibility is false |
acorn@949 | 469 | return false; |
acorn@949 | 470 | } |
acorn@949 | 471 | return (class_loader->obj_field(parallelCapable_offset) != NULL); |
duke@435 | 472 | } |
duke@435 | 473 | |
duke@435 | 474 | int java_lang_Class::classRedefinedCount(oop the_class_mirror) { |
duke@435 | 475 | if (!JDK_Version::is_gte_jdk15x_version() |
duke@435 | 476 | || classRedefinedCount_offset == -1) { |
duke@435 | 477 | // The classRedefinedCount field is only present starting in 1.5. |
duke@435 | 478 | // If we don't have an offset for it then just return -1 as a marker. |
duke@435 | 479 | return -1; |
duke@435 | 480 | } |
duke@435 | 481 | |
duke@435 | 482 | return the_class_mirror->int_field(classRedefinedCount_offset); |
duke@435 | 483 | } |
duke@435 | 484 | |
duke@435 | 485 | void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) { |
duke@435 | 486 | if (!JDK_Version::is_gte_jdk15x_version() |
duke@435 | 487 | || classRedefinedCount_offset == -1) { |
duke@435 | 488 | // The classRedefinedCount field is only present starting in 1.5. |
duke@435 | 489 | // If we don't have an offset for it then nothing to set. |
duke@435 | 490 | return; |
duke@435 | 491 | } |
duke@435 | 492 | |
duke@435 | 493 | the_class_mirror->int_field_put(classRedefinedCount_offset, value); |
duke@435 | 494 | } |
duke@435 | 495 | |
duke@435 | 496 | |
duke@435 | 497 | // Note: JDK1.1 and before had a privateInfo_offset field which was used for the |
duke@435 | 498 | // platform thread structure, and a eetop offset which was used for thread |
duke@435 | 499 | // local storage (and unused by the HotSpot VM). In JDK1.2 the two structures |
duke@435 | 500 | // merged, so in the HotSpot VM we just use the eetop field for the thread |
duke@435 | 501 | // instead of the privateInfo_offset. |
duke@435 | 502 | // |
duke@435 | 503 | // Note: The stackSize field is only present starting in 1.4. |
duke@435 | 504 | |
duke@435 | 505 | int java_lang_Thread::_name_offset = 0; |
duke@435 | 506 | int java_lang_Thread::_group_offset = 0; |
duke@435 | 507 | int java_lang_Thread::_contextClassLoader_offset = 0; |
duke@435 | 508 | int java_lang_Thread::_inheritedAccessControlContext_offset = 0; |
duke@435 | 509 | int java_lang_Thread::_priority_offset = 0; |
duke@435 | 510 | int java_lang_Thread::_eetop_offset = 0; |
duke@435 | 511 | int java_lang_Thread::_daemon_offset = 0; |
duke@435 | 512 | int java_lang_Thread::_stillborn_offset = 0; |
duke@435 | 513 | int java_lang_Thread::_stackSize_offset = 0; |
duke@435 | 514 | int java_lang_Thread::_tid_offset = 0; |
duke@435 | 515 | int java_lang_Thread::_thread_status_offset = 0; |
duke@435 | 516 | int java_lang_Thread::_park_blocker_offset = 0; |
duke@435 | 517 | int java_lang_Thread::_park_event_offset = 0 ; |
duke@435 | 518 | |
duke@435 | 519 | |
duke@435 | 520 | void java_lang_Thread::compute_offsets() { |
duke@435 | 521 | assert(_group_offset == 0, "offsets should be initialized only once"); |
duke@435 | 522 | |
duke@435 | 523 | klassOop k = SystemDictionary::thread_klass(); |
jrose@567 | 524 | compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature()); |
jrose@567 | 525 | compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature()); |
jrose@567 | 526 | compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature()); |
jrose@567 | 527 | compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature()); |
jrose@567 | 528 | compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature()); |
jrose@567 | 529 | compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
jrose@567 | 530 | compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature()); |
jrose@567 | 531 | compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature()); |
duke@435 | 532 | // The stackSize field is only present starting in 1.4, so don't go fatal. |
jrose@567 | 533 | compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature()); |
duke@435 | 534 | // The tid and thread_status fields are only present starting in 1.5, so don't go fatal. |
jrose@567 | 535 | compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature()); |
jrose@567 | 536 | compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature()); |
duke@435 | 537 | // The parkBlocker field is only present starting in 1.6, so don't go fatal. |
jrose@567 | 538 | compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature()); |
jrose@567 | 539 | compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(), |
duke@435 | 540 | vmSymbols::long_signature()); |
duke@435 | 541 | } |
duke@435 | 542 | |
duke@435 | 543 | |
duke@435 | 544 | JavaThread* java_lang_Thread::thread(oop java_thread) { |
coleenp@548 | 545 | return (JavaThread*)java_thread->address_field(_eetop_offset); |
duke@435 | 546 | } |
duke@435 | 547 | |
duke@435 | 548 | |
duke@435 | 549 | void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) { |
coleenp@548 | 550 | java_thread->address_field_put(_eetop_offset, (address)thread); |
duke@435 | 551 | } |
duke@435 | 552 | |
duke@435 | 553 | |
duke@435 | 554 | typeArrayOop java_lang_Thread::name(oop java_thread) { |
duke@435 | 555 | oop name = java_thread->obj_field(_name_offset); |
duke@435 | 556 | assert(name == NULL || (name->is_typeArray() && typeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking"); |
duke@435 | 557 | return typeArrayOop(name); |
duke@435 | 558 | } |
duke@435 | 559 | |
duke@435 | 560 | |
duke@435 | 561 | void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) { |
duke@435 | 562 | assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL"); |
duke@435 | 563 | java_thread->obj_field_put(_name_offset, name); |
duke@435 | 564 | } |
duke@435 | 565 | |
duke@435 | 566 | |
duke@435 | 567 | ThreadPriority java_lang_Thread::priority(oop java_thread) { |
duke@435 | 568 | return (ThreadPriority)java_thread->int_field(_priority_offset); |
duke@435 | 569 | } |
duke@435 | 570 | |
duke@435 | 571 | |
duke@435 | 572 | void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) { |
duke@435 | 573 | java_thread->int_field_put(_priority_offset, priority); |
duke@435 | 574 | } |
duke@435 | 575 | |
duke@435 | 576 | |
duke@435 | 577 | oop java_lang_Thread::threadGroup(oop java_thread) { |
duke@435 | 578 | return java_thread->obj_field(_group_offset); |
duke@435 | 579 | } |
duke@435 | 580 | |
duke@435 | 581 | |
duke@435 | 582 | bool java_lang_Thread::is_stillborn(oop java_thread) { |
duke@435 | 583 | return java_thread->bool_field(_stillborn_offset) != 0; |
duke@435 | 584 | } |
duke@435 | 585 | |
duke@435 | 586 | |
duke@435 | 587 | // We never have reason to turn the stillborn bit off |
duke@435 | 588 | void java_lang_Thread::set_stillborn(oop java_thread) { |
duke@435 | 589 | java_thread->bool_field_put(_stillborn_offset, true); |
duke@435 | 590 | } |
duke@435 | 591 | |
duke@435 | 592 | |
duke@435 | 593 | bool java_lang_Thread::is_alive(oop java_thread) { |
duke@435 | 594 | JavaThread* thr = java_lang_Thread::thread(java_thread); |
duke@435 | 595 | return (thr != NULL); |
duke@435 | 596 | } |
duke@435 | 597 | |
duke@435 | 598 | |
duke@435 | 599 | bool java_lang_Thread::is_daemon(oop java_thread) { |
duke@435 | 600 | return java_thread->bool_field(_daemon_offset) != 0; |
duke@435 | 601 | } |
duke@435 | 602 | |
duke@435 | 603 | |
duke@435 | 604 | void java_lang_Thread::set_daemon(oop java_thread) { |
duke@435 | 605 | java_thread->bool_field_put(_daemon_offset, true); |
duke@435 | 606 | } |
duke@435 | 607 | |
duke@435 | 608 | oop java_lang_Thread::context_class_loader(oop java_thread) { |
duke@435 | 609 | return java_thread->obj_field(_contextClassLoader_offset); |
duke@435 | 610 | } |
duke@435 | 611 | |
duke@435 | 612 | oop java_lang_Thread::inherited_access_control_context(oop java_thread) { |
duke@435 | 613 | return java_thread->obj_field(_inheritedAccessControlContext_offset); |
duke@435 | 614 | } |
duke@435 | 615 | |
duke@435 | 616 | |
duke@435 | 617 | jlong java_lang_Thread::stackSize(oop java_thread) { |
duke@435 | 618 | // The stackSize field is only present starting in 1.4 |
duke@435 | 619 | if (_stackSize_offset > 0) { |
duke@435 | 620 | assert(JDK_Version::is_gte_jdk14x_version(), "sanity check"); |
duke@435 | 621 | return java_thread->long_field(_stackSize_offset); |
duke@435 | 622 | } else { |
duke@435 | 623 | return 0; |
duke@435 | 624 | } |
duke@435 | 625 | } |
duke@435 | 626 | |
duke@435 | 627 | // Write the thread status value to threadStatus field in java.lang.Thread java class. |
duke@435 | 628 | void java_lang_Thread::set_thread_status(oop java_thread, |
duke@435 | 629 | java_lang_Thread::ThreadStatus status) { |
duke@435 | 630 | assert(JavaThread::current()->thread_state() == _thread_in_vm, "Java Thread is not running in vm"); |
duke@435 | 631 | // The threadStatus is only present starting in 1.5 |
duke@435 | 632 | if (_thread_status_offset > 0) { |
duke@435 | 633 | java_thread->int_field_put(_thread_status_offset, status); |
duke@435 | 634 | } |
duke@435 | 635 | } |
duke@435 | 636 | |
duke@435 | 637 | // Read thread status value from threadStatus field in java.lang.Thread java class. |
duke@435 | 638 | java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { |
duke@435 | 639 | assert(Thread::current()->is_VM_thread() || |
duke@435 | 640 | JavaThread::current()->thread_state() == _thread_in_vm, |
duke@435 | 641 | "Java Thread is not running in vm"); |
duke@435 | 642 | // The threadStatus is only present starting in 1.5 |
duke@435 | 643 | if (_thread_status_offset > 0) { |
duke@435 | 644 | return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); |
duke@435 | 645 | } else { |
duke@435 | 646 | // All we can easily figure out is if it is alive, but that is |
duke@435 | 647 | // enough info for a valid unknown status. |
duke@435 | 648 | // These aren't restricted to valid set ThreadStatus values, so |
duke@435 | 649 | // use JVMTI values and cast. |
duke@435 | 650 | JavaThread* thr = java_lang_Thread::thread(java_thread); |
duke@435 | 651 | if (thr == NULL) { |
duke@435 | 652 | // the thread hasn't run yet or is in the process of exiting |
duke@435 | 653 | return NEW; |
duke@435 | 654 | } |
duke@435 | 655 | return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE; |
duke@435 | 656 | } |
duke@435 | 657 | } |
duke@435 | 658 | |
duke@435 | 659 | |
duke@435 | 660 | jlong java_lang_Thread::thread_id(oop java_thread) { |
duke@435 | 661 | // The thread ID field is only present starting in 1.5 |
duke@435 | 662 | if (_tid_offset > 0) { |
duke@435 | 663 | return java_thread->long_field(_tid_offset); |
duke@435 | 664 | } else { |
duke@435 | 665 | return 0; |
duke@435 | 666 | } |
duke@435 | 667 | } |
duke@435 | 668 | |
duke@435 | 669 | oop java_lang_Thread::park_blocker(oop java_thread) { |
kamg@677 | 670 | assert(JDK_Version::current().supports_thread_park_blocker() && |
kamg@677 | 671 | _park_blocker_offset != 0, "Must support parkBlocker field"); |
duke@435 | 672 | |
duke@435 | 673 | if (_park_blocker_offset > 0) { |
duke@435 | 674 | return java_thread->obj_field(_park_blocker_offset); |
duke@435 | 675 | } |
duke@435 | 676 | |
duke@435 | 677 | return NULL; |
duke@435 | 678 | } |
duke@435 | 679 | |
duke@435 | 680 | jlong java_lang_Thread::park_event(oop java_thread) { |
duke@435 | 681 | if (_park_event_offset > 0) { |
duke@435 | 682 | return java_thread->long_field(_park_event_offset); |
duke@435 | 683 | } |
duke@435 | 684 | return 0; |
duke@435 | 685 | } |
duke@435 | 686 | |
duke@435 | 687 | bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) { |
duke@435 | 688 | if (_park_event_offset > 0) { |
duke@435 | 689 | java_thread->long_field_put(_park_event_offset, ptr); |
duke@435 | 690 | return true; |
duke@435 | 691 | } |
duke@435 | 692 | return false; |
duke@435 | 693 | } |
duke@435 | 694 | |
duke@435 | 695 | |
duke@435 | 696 | const char* java_lang_Thread::thread_status_name(oop java_thread) { |
duke@435 | 697 | assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status"); |
duke@435 | 698 | ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); |
duke@435 | 699 | switch (status) { |
duke@435 | 700 | case NEW : return "NEW"; |
duke@435 | 701 | case RUNNABLE : return "RUNNABLE"; |
duke@435 | 702 | case SLEEPING : return "TIMED_WAITING (sleeping)"; |
duke@435 | 703 | case IN_OBJECT_WAIT : return "WAITING (on object monitor)"; |
duke@435 | 704 | case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)"; |
duke@435 | 705 | case PARKED : return "WAITING (parking)"; |
duke@435 | 706 | case PARKED_TIMED : return "TIMED_WAITING (parking)"; |
duke@435 | 707 | case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)"; |
duke@435 | 708 | case TERMINATED : return "TERMINATED"; |
duke@435 | 709 | default : return "UNKNOWN"; |
duke@435 | 710 | }; |
duke@435 | 711 | } |
duke@435 | 712 | int java_lang_ThreadGroup::_parent_offset = 0; |
duke@435 | 713 | int java_lang_ThreadGroup::_name_offset = 0; |
duke@435 | 714 | int java_lang_ThreadGroup::_threads_offset = 0; |
duke@435 | 715 | int java_lang_ThreadGroup::_groups_offset = 0; |
duke@435 | 716 | int java_lang_ThreadGroup::_maxPriority_offset = 0; |
duke@435 | 717 | int java_lang_ThreadGroup::_destroyed_offset = 0; |
duke@435 | 718 | int java_lang_ThreadGroup::_daemon_offset = 0; |
duke@435 | 719 | int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0; |
duke@435 | 720 | int java_lang_ThreadGroup::_nthreads_offset = 0; |
duke@435 | 721 | int java_lang_ThreadGroup::_ngroups_offset = 0; |
duke@435 | 722 | |
duke@435 | 723 | oop java_lang_ThreadGroup::parent(oop java_thread_group) { |
duke@435 | 724 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 725 | return java_thread_group->obj_field(_parent_offset); |
duke@435 | 726 | } |
duke@435 | 727 | |
duke@435 | 728 | // ("name as oop" accessor is not necessary) |
duke@435 | 729 | |
duke@435 | 730 | typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) { |
duke@435 | 731 | oop name = java_thread_group->obj_field(_name_offset); |
duke@435 | 732 | // ThreadGroup.name can be null |
duke@435 | 733 | return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name); |
duke@435 | 734 | } |
duke@435 | 735 | |
duke@435 | 736 | int java_lang_ThreadGroup::nthreads(oop java_thread_group) { |
duke@435 | 737 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 738 | return java_thread_group->int_field(_nthreads_offset); |
duke@435 | 739 | } |
duke@435 | 740 | |
duke@435 | 741 | objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) { |
duke@435 | 742 | oop threads = java_thread_group->obj_field(_threads_offset); |
duke@435 | 743 | assert(threads != NULL, "threadgroups should have threads"); |
duke@435 | 744 | assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code |
duke@435 | 745 | return objArrayOop(threads); |
duke@435 | 746 | } |
duke@435 | 747 | |
duke@435 | 748 | int java_lang_ThreadGroup::ngroups(oop java_thread_group) { |
duke@435 | 749 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 750 | return java_thread_group->int_field(_ngroups_offset); |
duke@435 | 751 | } |
duke@435 | 752 | |
duke@435 | 753 | objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) { |
duke@435 | 754 | oop groups = java_thread_group->obj_field(_groups_offset); |
duke@435 | 755 | assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code |
duke@435 | 756 | return objArrayOop(groups); |
duke@435 | 757 | } |
duke@435 | 758 | |
duke@435 | 759 | ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) { |
duke@435 | 760 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 761 | return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset); |
duke@435 | 762 | } |
duke@435 | 763 | |
duke@435 | 764 | bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) { |
duke@435 | 765 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 766 | return java_thread_group->bool_field(_destroyed_offset) != 0; |
duke@435 | 767 | } |
duke@435 | 768 | |
duke@435 | 769 | bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) { |
duke@435 | 770 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 771 | return java_thread_group->bool_field(_daemon_offset) != 0; |
duke@435 | 772 | } |
duke@435 | 773 | |
duke@435 | 774 | bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) { |
duke@435 | 775 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 776 | return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0; |
duke@435 | 777 | } |
duke@435 | 778 | |
duke@435 | 779 | void java_lang_ThreadGroup::compute_offsets() { |
duke@435 | 780 | assert(_parent_offset == 0, "offsets should be initialized only once"); |
duke@435 | 781 | |
duke@435 | 782 | klassOop k = SystemDictionary::threadGroup_klass(); |
duke@435 | 783 | |
jrose@567 | 784 | compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature()); |
jrose@567 | 785 | compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
jrose@567 | 786 | compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature()); |
jrose@567 | 787 | compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature()); |
jrose@567 | 788 | compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature()); |
jrose@567 | 789 | compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature()); |
jrose@567 | 790 | compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
jrose@567 | 791 | compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature()); |
jrose@567 | 792 | compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature()); |
jrose@567 | 793 | compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature()); |
duke@435 | 794 | } |
duke@435 | 795 | |
duke@435 | 796 | oop java_lang_Throwable::backtrace(oop throwable) { |
duke@435 | 797 | return throwable->obj_field_acquire(backtrace_offset); |
duke@435 | 798 | } |
duke@435 | 799 | |
duke@435 | 800 | |
duke@435 | 801 | void java_lang_Throwable::set_backtrace(oop throwable, oop value) { |
duke@435 | 802 | throwable->release_obj_field_put(backtrace_offset, value); |
duke@435 | 803 | } |
duke@435 | 804 | |
duke@435 | 805 | |
duke@435 | 806 | oop java_lang_Throwable::message(oop throwable) { |
duke@435 | 807 | return throwable->obj_field(detailMessage_offset); |
duke@435 | 808 | } |
duke@435 | 809 | |
duke@435 | 810 | |
duke@435 | 811 | oop java_lang_Throwable::message(Handle throwable) { |
duke@435 | 812 | return throwable->obj_field(detailMessage_offset); |
duke@435 | 813 | } |
duke@435 | 814 | |
duke@435 | 815 | |
duke@435 | 816 | void java_lang_Throwable::set_message(oop throwable, oop value) { |
duke@435 | 817 | throwable->obj_field_put(detailMessage_offset, value); |
duke@435 | 818 | } |
duke@435 | 819 | |
duke@435 | 820 | |
duke@435 | 821 | void java_lang_Throwable::clear_stacktrace(oop throwable) { |
duke@435 | 822 | assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); |
duke@435 | 823 | throwable->obj_field_put(stackTrace_offset, NULL); |
duke@435 | 824 | } |
duke@435 | 825 | |
duke@435 | 826 | |
duke@435 | 827 | void java_lang_Throwable::print(oop throwable, outputStream* st) { |
duke@435 | 828 | ResourceMark rm; |
duke@435 | 829 | klassOop k = throwable->klass(); |
duke@435 | 830 | assert(k != NULL, "just checking"); |
duke@435 | 831 | st->print("%s", instanceKlass::cast(k)->external_name()); |
duke@435 | 832 | oop msg = message(throwable); |
duke@435 | 833 | if (msg != NULL) { |
duke@435 | 834 | st->print(": %s", java_lang_String::as_utf8_string(msg)); |
duke@435 | 835 | } |
duke@435 | 836 | } |
duke@435 | 837 | |
duke@435 | 838 | |
duke@435 | 839 | void java_lang_Throwable::print(Handle throwable, outputStream* st) { |
duke@435 | 840 | ResourceMark rm; |
duke@435 | 841 | klassOop k = throwable->klass(); |
duke@435 | 842 | assert(k != NULL, "just checking"); |
duke@435 | 843 | st->print("%s", instanceKlass::cast(k)->external_name()); |
duke@435 | 844 | oop msg = message(throwable); |
duke@435 | 845 | if (msg != NULL) { |
duke@435 | 846 | st->print(": %s", java_lang_String::as_utf8_string(msg)); |
duke@435 | 847 | } |
duke@435 | 848 | } |
duke@435 | 849 | |
duke@435 | 850 | // Print stack trace element to resource allocated buffer |
duke@435 | 851 | char* java_lang_Throwable::print_stack_element_to_buffer(methodOop method, int bci) { |
duke@435 | 852 | // Get strings and string lengths |
duke@435 | 853 | instanceKlass* klass = instanceKlass::cast(method->method_holder()); |
duke@435 | 854 | const char* klass_name = klass->external_name(); |
duke@435 | 855 | int buf_len = (int)strlen(klass_name); |
duke@435 | 856 | char* source_file_name; |
duke@435 | 857 | if (klass->source_file_name() == NULL) { |
duke@435 | 858 | source_file_name = NULL; |
duke@435 | 859 | } else { |
duke@435 | 860 | source_file_name = klass->source_file_name()->as_C_string(); |
duke@435 | 861 | buf_len += (int)strlen(source_file_name); |
duke@435 | 862 | } |
duke@435 | 863 | char* method_name = method->name()->as_C_string(); |
duke@435 | 864 | buf_len += (int)strlen(method_name); |
duke@435 | 865 | |
duke@435 | 866 | // Allocate temporary buffer with extra space for formatting and line number |
duke@435 | 867 | char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); |
duke@435 | 868 | |
duke@435 | 869 | // Print stack trace line in buffer |
duke@435 | 870 | sprintf(buf, "\tat %s.%s", klass_name, method_name); |
duke@435 | 871 | if (method->is_native()) { |
duke@435 | 872 | strcat(buf, "(Native Method)"); |
duke@435 | 873 | } else { |
duke@435 | 874 | int line_number = method->line_number_from_bci(bci); |
duke@435 | 875 | if (source_file_name != NULL && (line_number != -1)) { |
duke@435 | 876 | // Sourcename and linenumber |
duke@435 | 877 | sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number); |
duke@435 | 878 | } else if (source_file_name != NULL) { |
duke@435 | 879 | // Just sourcename |
duke@435 | 880 | sprintf(buf + (int)strlen(buf), "(%s)", source_file_name); |
duke@435 | 881 | } else { |
duke@435 | 882 | // Neither soucename and linenumber |
duke@435 | 883 | sprintf(buf + (int)strlen(buf), "(Unknown Source)"); |
duke@435 | 884 | } |
duke@435 | 885 | nmethod* nm = method->code(); |
duke@435 | 886 | if (WizardMode && nm != NULL) { |
xlu@948 | 887 | sprintf(buf + (int)strlen(buf), "(nmethod " PTR_FORMAT ")", (intptr_t)nm); |
duke@435 | 888 | } |
duke@435 | 889 | } |
duke@435 | 890 | |
duke@435 | 891 | return buf; |
duke@435 | 892 | } |
duke@435 | 893 | |
duke@435 | 894 | |
duke@435 | 895 | void java_lang_Throwable::print_stack_element(Handle stream, methodOop method, int bci) { |
duke@435 | 896 | ResourceMark rm; |
duke@435 | 897 | char* buf = print_stack_element_to_buffer(method, bci); |
duke@435 | 898 | print_to_stream(stream, buf); |
duke@435 | 899 | } |
duke@435 | 900 | |
duke@435 | 901 | void java_lang_Throwable::print_stack_element(outputStream *st, methodOop method, int bci) { |
duke@435 | 902 | ResourceMark rm; |
duke@435 | 903 | char* buf = print_stack_element_to_buffer(method, bci); |
duke@435 | 904 | st->print_cr("%s", buf); |
duke@435 | 905 | } |
duke@435 | 906 | |
duke@435 | 907 | void java_lang_Throwable::print_to_stream(Handle stream, const char* str) { |
duke@435 | 908 | if (stream.is_null()) { |
duke@435 | 909 | tty->print_cr("%s", str); |
duke@435 | 910 | } else { |
duke@435 | 911 | EXCEPTION_MARK; |
duke@435 | 912 | JavaValue result(T_VOID); |
duke@435 | 913 | Handle arg (THREAD, oopFactory::new_charArray(str, THREAD)); |
duke@435 | 914 | if (!HAS_PENDING_EXCEPTION) { |
duke@435 | 915 | JavaCalls::call_virtual(&result, |
duke@435 | 916 | stream, |
duke@435 | 917 | KlassHandle(THREAD, stream->klass()), |
duke@435 | 918 | vmSymbolHandles::println_name(), |
duke@435 | 919 | vmSymbolHandles::char_array_void_signature(), |
duke@435 | 920 | arg, |
duke@435 | 921 | THREAD); |
duke@435 | 922 | } |
duke@435 | 923 | // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
duke@435 | 924 | if (HAS_PENDING_EXCEPTION) CLEAR_PENDING_EXCEPTION; |
duke@435 | 925 | } |
duke@435 | 926 | |
duke@435 | 927 | } |
duke@435 | 928 | |
duke@435 | 929 | |
duke@435 | 930 | const char* java_lang_Throwable::no_stack_trace_message() { |
duke@435 | 931 | return "\t<<no stack trace available>>"; |
duke@435 | 932 | } |
duke@435 | 933 | |
duke@435 | 934 | |
duke@435 | 935 | // Currently used only for exceptions occurring during startup |
duke@435 | 936 | void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) { |
duke@435 | 937 | Thread *THREAD = Thread::current(); |
duke@435 | 938 | Handle h_throwable(THREAD, throwable); |
duke@435 | 939 | while (h_throwable.not_null()) { |
duke@435 | 940 | objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable()))); |
duke@435 | 941 | if (result.is_null()) { |
duke@435 | 942 | st->print_cr(no_stack_trace_message()); |
duke@435 | 943 | return; |
duke@435 | 944 | } |
duke@435 | 945 | |
duke@435 | 946 | while (result.not_null()) { |
duke@435 | 947 | objArrayHandle methods (THREAD, |
duke@435 | 948 | objArrayOop(result->obj_at(trace_methods_offset))); |
duke@435 | 949 | typeArrayHandle bcis (THREAD, |
duke@435 | 950 | typeArrayOop(result->obj_at(trace_bcis_offset))); |
duke@435 | 951 | |
duke@435 | 952 | if (methods.is_null() || bcis.is_null()) { |
duke@435 | 953 | st->print_cr(no_stack_trace_message()); |
duke@435 | 954 | return; |
duke@435 | 955 | } |
duke@435 | 956 | |
duke@435 | 957 | int length = methods()->length(); |
duke@435 | 958 | for (int index = 0; index < length; index++) { |
duke@435 | 959 | methodOop method = methodOop(methods()->obj_at(index)); |
duke@435 | 960 | if (method == NULL) goto handle_cause; |
duke@435 | 961 | int bci = bcis->ushort_at(index); |
duke@435 | 962 | print_stack_element(st, method, bci); |
duke@435 | 963 | } |
duke@435 | 964 | result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset))); |
duke@435 | 965 | } |
duke@435 | 966 | handle_cause: |
duke@435 | 967 | { |
duke@435 | 968 | EXCEPTION_MARK; |
duke@435 | 969 | JavaValue result(T_OBJECT); |
duke@435 | 970 | JavaCalls::call_virtual(&result, |
duke@435 | 971 | h_throwable, |
duke@435 | 972 | KlassHandle(THREAD, h_throwable->klass()), |
duke@435 | 973 | vmSymbolHandles::getCause_name(), |
duke@435 | 974 | vmSymbolHandles::void_throwable_signature(), |
duke@435 | 975 | THREAD); |
duke@435 | 976 | // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
duke@435 | 977 | if (HAS_PENDING_EXCEPTION) { |
duke@435 | 978 | CLEAR_PENDING_EXCEPTION; |
duke@435 | 979 | h_throwable = Handle(); |
duke@435 | 980 | } else { |
duke@435 | 981 | h_throwable = Handle(THREAD, (oop) result.get_jobject()); |
duke@435 | 982 | if (h_throwable.not_null()) { |
duke@435 | 983 | st->print("Caused by: "); |
duke@435 | 984 | print(h_throwable, st); |
duke@435 | 985 | st->cr(); |
duke@435 | 986 | } |
duke@435 | 987 | } |
duke@435 | 988 | } |
duke@435 | 989 | } |
duke@435 | 990 | } |
duke@435 | 991 | |
duke@435 | 992 | |
duke@435 | 993 | void java_lang_Throwable::print_stack_trace(oop throwable, oop print_stream) { |
duke@435 | 994 | // Note: this is no longer used in Merlin, but we support it for compatibility. |
duke@435 | 995 | Thread *thread = Thread::current(); |
duke@435 | 996 | Handle stream(thread, print_stream); |
duke@435 | 997 | objArrayHandle result (thread, objArrayOop(backtrace(throwable))); |
duke@435 | 998 | if (result.is_null()) { |
duke@435 | 999 | print_to_stream(stream, no_stack_trace_message()); |
duke@435 | 1000 | return; |
duke@435 | 1001 | } |
duke@435 | 1002 | |
duke@435 | 1003 | while (result.not_null()) { |
duke@435 | 1004 | objArrayHandle methods (thread, |
duke@435 | 1005 | objArrayOop(result->obj_at(trace_methods_offset))); |
duke@435 | 1006 | typeArrayHandle bcis (thread, |
duke@435 | 1007 | typeArrayOop(result->obj_at(trace_bcis_offset))); |
duke@435 | 1008 | |
duke@435 | 1009 | if (methods.is_null() || bcis.is_null()) { |
duke@435 | 1010 | print_to_stream(stream, no_stack_trace_message()); |
duke@435 | 1011 | return; |
duke@435 | 1012 | } |
duke@435 | 1013 | |
duke@435 | 1014 | int length = methods()->length(); |
duke@435 | 1015 | for (int index = 0; index < length; index++) { |
duke@435 | 1016 | methodOop method = methodOop(methods()->obj_at(index)); |
duke@435 | 1017 | if (method == NULL) return; |
duke@435 | 1018 | int bci = bcis->ushort_at(index); |
duke@435 | 1019 | print_stack_element(stream, method, bci); |
duke@435 | 1020 | } |
duke@435 | 1021 | result = objArrayHandle(thread, objArrayOop(result->obj_at(trace_next_offset))); |
duke@435 | 1022 | } |
duke@435 | 1023 | } |
duke@435 | 1024 | |
duke@435 | 1025 | // This class provides a simple wrapper over the internal structure of |
duke@435 | 1026 | // exception backtrace to insulate users of the backtrace from needing |
duke@435 | 1027 | // to know what it looks like. |
duke@435 | 1028 | class BacktraceBuilder: public StackObj { |
duke@435 | 1029 | private: |
duke@435 | 1030 | Handle _backtrace; |
duke@435 | 1031 | objArrayOop _head; |
duke@435 | 1032 | objArrayOop _methods; |
duke@435 | 1033 | typeArrayOop _bcis; |
duke@435 | 1034 | int _index; |
duke@435 | 1035 | bool _dirty; |
duke@435 | 1036 | No_Safepoint_Verifier _nsv; |
duke@435 | 1037 | |
duke@435 | 1038 | public: |
duke@435 | 1039 | |
duke@435 | 1040 | enum { |
duke@435 | 1041 | trace_methods_offset = java_lang_Throwable::trace_methods_offset, |
duke@435 | 1042 | trace_bcis_offset = java_lang_Throwable::trace_bcis_offset, |
duke@435 | 1043 | trace_next_offset = java_lang_Throwable::trace_next_offset, |
duke@435 | 1044 | trace_size = java_lang_Throwable::trace_size, |
duke@435 | 1045 | trace_chunk_size = java_lang_Throwable::trace_chunk_size |
duke@435 | 1046 | }; |
duke@435 | 1047 | |
duke@435 | 1048 | // constructor for new backtrace |
never@533 | 1049 | BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _dirty(false) { |
duke@435 | 1050 | expand(CHECK); |
duke@435 | 1051 | _backtrace = _head; |
duke@435 | 1052 | _index = 0; |
duke@435 | 1053 | } |
duke@435 | 1054 | |
duke@435 | 1055 | void flush() { |
duke@435 | 1056 | if (_dirty && _methods != NULL) { |
duke@435 | 1057 | BarrierSet* bs = Universe::heap()->barrier_set(); |
duke@435 | 1058 | assert(bs->has_write_ref_array_opt(), "Barrier set must have ref array opt"); |
coleenp@548 | 1059 | bs->write_ref_array(MemRegion((HeapWord*)_methods->base(), |
coleenp@548 | 1060 | _methods->array_size())); |
duke@435 | 1061 | _dirty = false; |
duke@435 | 1062 | } |
duke@435 | 1063 | } |
duke@435 | 1064 | |
duke@435 | 1065 | void expand(TRAPS) { |
duke@435 | 1066 | flush(); |
duke@435 | 1067 | |
duke@435 | 1068 | objArrayHandle old_head(THREAD, _head); |
duke@435 | 1069 | Pause_No_Safepoint_Verifier pnsv(&_nsv); |
duke@435 | 1070 | |
duke@435 | 1071 | objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK); |
duke@435 | 1072 | objArrayHandle new_head(THREAD, head); |
duke@435 | 1073 | |
duke@435 | 1074 | objArrayOop methods = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
duke@435 | 1075 | objArrayHandle new_methods(THREAD, methods); |
duke@435 | 1076 | |
duke@435 | 1077 | typeArrayOop bcis = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
duke@435 | 1078 | typeArrayHandle new_bcis(THREAD, bcis); |
duke@435 | 1079 | |
duke@435 | 1080 | if (!old_head.is_null()) { |
duke@435 | 1081 | old_head->obj_at_put(trace_next_offset, new_head()); |
duke@435 | 1082 | } |
duke@435 | 1083 | new_head->obj_at_put(trace_methods_offset, new_methods()); |
duke@435 | 1084 | new_head->obj_at_put(trace_bcis_offset, new_bcis()); |
duke@435 | 1085 | |
duke@435 | 1086 | _head = new_head(); |
duke@435 | 1087 | _methods = new_methods(); |
duke@435 | 1088 | _bcis = new_bcis(); |
duke@435 | 1089 | _index = 0; |
duke@435 | 1090 | } |
duke@435 | 1091 | |
duke@435 | 1092 | oop backtrace() { |
duke@435 | 1093 | flush(); |
duke@435 | 1094 | return _backtrace(); |
duke@435 | 1095 | } |
duke@435 | 1096 | |
duke@435 | 1097 | inline void push(methodOop method, short bci, TRAPS) { |
duke@435 | 1098 | if (_index >= trace_chunk_size) { |
duke@435 | 1099 | methodHandle mhandle(THREAD, method); |
duke@435 | 1100 | expand(CHECK); |
duke@435 | 1101 | method = mhandle(); |
duke@435 | 1102 | } |
duke@435 | 1103 | |
coleenp@548 | 1104 | _methods->obj_at_put(_index, method); |
coleenp@548 | 1105 | // bad for UseCompressedOops |
coleenp@548 | 1106 | // *_methods->obj_at_addr(_index) = method; |
duke@435 | 1107 | _bcis->ushort_at_put(_index, bci); |
duke@435 | 1108 | _index++; |
duke@435 | 1109 | _dirty = true; |
duke@435 | 1110 | } |
duke@435 | 1111 | |
duke@435 | 1112 | methodOop current_method() { |
duke@435 | 1113 | assert(_index >= 0 && _index < trace_chunk_size, "out of range"); |
duke@435 | 1114 | return methodOop(_methods->obj_at(_index)); |
duke@435 | 1115 | } |
duke@435 | 1116 | |
duke@435 | 1117 | jushort current_bci() { |
duke@435 | 1118 | assert(_index >= 0 && _index < trace_chunk_size, "out of range"); |
duke@435 | 1119 | return _bcis->ushort_at(_index); |
duke@435 | 1120 | } |
duke@435 | 1121 | }; |
duke@435 | 1122 | |
duke@435 | 1123 | |
duke@435 | 1124 | void java_lang_Throwable::fill_in_stack_trace(Handle throwable, TRAPS) { |
duke@435 | 1125 | if (!StackTraceInThrowable) return; |
duke@435 | 1126 | ResourceMark rm(THREAD); |
duke@435 | 1127 | |
duke@435 | 1128 | // Start out by clearing the backtrace for this object, in case the VM |
duke@435 | 1129 | // runs out of memory while allocating the stack trace |
duke@435 | 1130 | set_backtrace(throwable(), NULL); |
duke@435 | 1131 | if (JDK_Version::is_gte_jdk14x_version()) { |
duke@435 | 1132 | // New since 1.4, clear lazily constructed Java level stacktrace if |
duke@435 | 1133 | // refilling occurs |
duke@435 | 1134 | clear_stacktrace(throwable()); |
duke@435 | 1135 | } |
duke@435 | 1136 | |
duke@435 | 1137 | int max_depth = MaxJavaStackTraceDepth; |
duke@435 | 1138 | JavaThread* thread = (JavaThread*)THREAD; |
duke@435 | 1139 | BacktraceBuilder bt(CHECK); |
duke@435 | 1140 | |
duke@435 | 1141 | // Instead of using vframe directly, this version of fill_in_stack_trace |
duke@435 | 1142 | // basically handles everything by hand. This significantly improved the |
duke@435 | 1143 | // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows. |
duke@435 | 1144 | // See bug 6333838 for more details. |
duke@435 | 1145 | // The "ASSERT" here is to verify this method generates the exactly same stack |
duke@435 | 1146 | // trace as utilizing vframe. |
duke@435 | 1147 | #ifdef ASSERT |
duke@435 | 1148 | vframeStream st(thread); |
duke@435 | 1149 | methodHandle st_method(THREAD, st.method()); |
duke@435 | 1150 | #endif |
duke@435 | 1151 | int total_count = 0; |
duke@435 | 1152 | RegisterMap map(thread, false); |
duke@435 | 1153 | int decode_offset = 0; |
duke@435 | 1154 | nmethod* nm = NULL; |
duke@435 | 1155 | bool skip_fillInStackTrace_check = false; |
duke@435 | 1156 | bool skip_throwableInit_check = false; |
duke@435 | 1157 | |
duke@435 | 1158 | for (frame fr = thread->last_frame(); max_depth != total_count;) { |
duke@435 | 1159 | methodOop method = NULL; |
duke@435 | 1160 | int bci = 0; |
duke@435 | 1161 | |
duke@435 | 1162 | // Compiled java method case. |
duke@435 | 1163 | if (decode_offset != 0) { |
duke@435 | 1164 | DebugInfoReadStream stream(nm, decode_offset); |
duke@435 | 1165 | decode_offset = stream.read_int(); |
duke@435 | 1166 | method = (methodOop)nm->oop_at(stream.read_int()); |
duke@435 | 1167 | bci = stream.read_bci(); |
duke@435 | 1168 | } else { |
duke@435 | 1169 | if (fr.is_first_frame()) break; |
duke@435 | 1170 | address pc = fr.pc(); |
duke@435 | 1171 | if (fr.is_interpreted_frame()) { |
duke@435 | 1172 | intptr_t bcx = fr.interpreter_frame_bcx(); |
duke@435 | 1173 | method = fr.interpreter_frame_method(); |
duke@435 | 1174 | bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx); |
duke@435 | 1175 | fr = fr.sender(&map); |
duke@435 | 1176 | } else { |
duke@435 | 1177 | CodeBlob* cb = fr.cb(); |
duke@435 | 1178 | // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL |
duke@435 | 1179 | // but non nmethod |
duke@435 | 1180 | fr = fr.sender(&map); |
duke@435 | 1181 | if (cb == NULL || !cb->is_nmethod()) { |
duke@435 | 1182 | continue; |
duke@435 | 1183 | } |
duke@435 | 1184 | nm = (nmethod*)cb; |
duke@435 | 1185 | if (nm->method()->is_native()) { |
duke@435 | 1186 | method = nm->method(); |
duke@435 | 1187 | bci = 0; |
duke@435 | 1188 | } else { |
duke@435 | 1189 | PcDesc* pd = nm->pc_desc_at(pc); |
duke@435 | 1190 | decode_offset = pd->scope_decode_offset(); |
duke@435 | 1191 | // if decode_offset is not equal to 0, it will execute the |
duke@435 | 1192 | // "compiled java method case" at the beginning of the loop. |
duke@435 | 1193 | continue; |
duke@435 | 1194 | } |
duke@435 | 1195 | } |
duke@435 | 1196 | } |
duke@435 | 1197 | #ifdef ASSERT |
duke@435 | 1198 | assert(st_method() == method && st.bci() == bci, |
duke@435 | 1199 | "Wrong stack trace"); |
duke@435 | 1200 | st.next(); |
duke@435 | 1201 | // vframeStream::method isn't GC-safe so store off a copy |
duke@435 | 1202 | // of the methodOop in case we GC. |
duke@435 | 1203 | if (!st.at_end()) { |
duke@435 | 1204 | st_method = st.method(); |
duke@435 | 1205 | } |
duke@435 | 1206 | #endif |
duke@435 | 1207 | if (!skip_fillInStackTrace_check) { |
duke@435 | 1208 | // check "fillInStackTrace" only once, so we negate the flag |
duke@435 | 1209 | // after the first time check. |
duke@435 | 1210 | skip_fillInStackTrace_check = true; |
duke@435 | 1211 | if (method->name() == vmSymbols::fillInStackTrace_name()) { |
duke@435 | 1212 | continue; |
duke@435 | 1213 | } |
duke@435 | 1214 | } |
duke@435 | 1215 | // skip <init> methods of the exceptions klass. If there is <init> methods |
duke@435 | 1216 | // that belongs to a superclass of the exception we are going to skipping |
duke@435 | 1217 | // them in stack trace. This is simlar to classic VM. |
duke@435 | 1218 | if (!skip_throwableInit_check) { |
duke@435 | 1219 | if (method->name() == vmSymbols::object_initializer_name() && |
duke@435 | 1220 | throwable->is_a(method->method_holder())) { |
duke@435 | 1221 | continue; |
duke@435 | 1222 | } else { |
duke@435 | 1223 | // if no "Throwable.init()" method found, we stop checking it next time. |
duke@435 | 1224 | skip_throwableInit_check = true; |
duke@435 | 1225 | } |
duke@435 | 1226 | } |
duke@435 | 1227 | bt.push(method, bci, CHECK); |
duke@435 | 1228 | total_count++; |
duke@435 | 1229 | } |
duke@435 | 1230 | |
duke@435 | 1231 | // Put completed stack trace into throwable object |
duke@435 | 1232 | set_backtrace(throwable(), bt.backtrace()); |
duke@435 | 1233 | } |
duke@435 | 1234 | |
duke@435 | 1235 | void java_lang_Throwable::fill_in_stack_trace(Handle throwable) { |
duke@435 | 1236 | // No-op if stack trace is disabled |
duke@435 | 1237 | if (!StackTraceInThrowable) { |
duke@435 | 1238 | return; |
duke@435 | 1239 | } |
duke@435 | 1240 | |
duke@435 | 1241 | // Disable stack traces for some preallocated out of memory errors |
duke@435 | 1242 | if (!Universe::should_fill_in_stack_trace(throwable)) { |
duke@435 | 1243 | return; |
duke@435 | 1244 | } |
duke@435 | 1245 | |
duke@435 | 1246 | PRESERVE_EXCEPTION_MARK; |
duke@435 | 1247 | |
duke@435 | 1248 | JavaThread* thread = JavaThread::active(); |
duke@435 | 1249 | fill_in_stack_trace(throwable, thread); |
duke@435 | 1250 | // ignore exceptions thrown during stack trace filling |
duke@435 | 1251 | CLEAR_PENDING_EXCEPTION; |
duke@435 | 1252 | } |
duke@435 | 1253 | |
duke@435 | 1254 | void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) { |
duke@435 | 1255 | // Allocate stack trace - backtrace is created but not filled in |
duke@435 | 1256 | |
duke@435 | 1257 | // No-op if stack trace is disabled |
duke@435 | 1258 | if (!StackTraceInThrowable) return; |
duke@435 | 1259 | |
duke@435 | 1260 | objArrayOop h_oop = oopFactory::new_objectArray(trace_size, CHECK); |
duke@435 | 1261 | objArrayHandle backtrace (THREAD, h_oop); |
duke@435 | 1262 | objArrayOop m_oop = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
duke@435 | 1263 | objArrayHandle methods (THREAD, m_oop); |
duke@435 | 1264 | typeArrayOop b = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
duke@435 | 1265 | typeArrayHandle bcis(THREAD, b); |
duke@435 | 1266 | |
duke@435 | 1267 | // backtrace has space for one chunk (next is NULL) |
duke@435 | 1268 | backtrace->obj_at_put(trace_methods_offset, methods()); |
duke@435 | 1269 | backtrace->obj_at_put(trace_bcis_offset, bcis()); |
duke@435 | 1270 | set_backtrace(throwable(), backtrace()); |
duke@435 | 1271 | } |
duke@435 | 1272 | |
duke@435 | 1273 | |
duke@435 | 1274 | void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) { |
duke@435 | 1275 | // Fill in stack trace into preallocated backtrace (no GC) |
duke@435 | 1276 | |
duke@435 | 1277 | // No-op if stack trace is disabled |
duke@435 | 1278 | if (!StackTraceInThrowable) return; |
duke@435 | 1279 | |
duke@435 | 1280 | assert(throwable->is_a(SystemDictionary::throwable_klass()), "sanity check"); |
duke@435 | 1281 | |
duke@435 | 1282 | oop backtrace = java_lang_Throwable::backtrace(throwable()); |
duke@435 | 1283 | assert(backtrace != NULL, "backtrace not preallocated"); |
duke@435 | 1284 | |
duke@435 | 1285 | oop m = objArrayOop(backtrace)->obj_at(trace_methods_offset); |
duke@435 | 1286 | objArrayOop methods = objArrayOop(m); |
duke@435 | 1287 | assert(methods != NULL && methods->length() > 0, "method array not preallocated"); |
duke@435 | 1288 | |
duke@435 | 1289 | oop b = objArrayOop(backtrace)->obj_at(trace_bcis_offset); |
duke@435 | 1290 | typeArrayOop bcis = typeArrayOop(b); |
duke@435 | 1291 | assert(bcis != NULL, "bci array not preallocated"); |
duke@435 | 1292 | |
duke@435 | 1293 | assert(methods->length() == bcis->length(), "method and bci arrays should match"); |
duke@435 | 1294 | |
duke@435 | 1295 | JavaThread* thread = JavaThread::current(); |
duke@435 | 1296 | ResourceMark rm(thread); |
duke@435 | 1297 | vframeStream st(thread); |
duke@435 | 1298 | |
duke@435 | 1299 | // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init |
duke@435 | 1300 | // methods as preallocated errors aren't created by "java" code. |
duke@435 | 1301 | |
duke@435 | 1302 | // fill in as much stack trace as possible |
duke@435 | 1303 | int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth); |
duke@435 | 1304 | int chunk_count = 0; |
duke@435 | 1305 | |
duke@435 | 1306 | for (;!st.at_end(); st.next()) { |
duke@435 | 1307 | // add element |
duke@435 | 1308 | bcis->ushort_at_put(chunk_count, st.bci()); |
duke@435 | 1309 | methods->obj_at_put(chunk_count, st.method()); |
duke@435 | 1310 | |
duke@435 | 1311 | chunk_count++; |
duke@435 | 1312 | |
duke@435 | 1313 | // Bail-out for deep stacks |
duke@435 | 1314 | if (chunk_count >= max_chunks) break; |
duke@435 | 1315 | } |
duke@435 | 1316 | } |
duke@435 | 1317 | |
duke@435 | 1318 | |
duke@435 | 1319 | int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) { |
duke@435 | 1320 | if (throwable == NULL) { |
duke@435 | 1321 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 1322 | } |
duke@435 | 1323 | objArrayOop chunk = objArrayOop(backtrace(throwable)); |
duke@435 | 1324 | int depth = 0; |
duke@435 | 1325 | if (chunk != NULL) { |
duke@435 | 1326 | // Iterate over chunks and count full ones |
duke@435 | 1327 | while (true) { |
duke@435 | 1328 | objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset)); |
duke@435 | 1329 | if (next == NULL) break; |
duke@435 | 1330 | depth += trace_chunk_size; |
duke@435 | 1331 | chunk = next; |
duke@435 | 1332 | } |
duke@435 | 1333 | assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check"); |
duke@435 | 1334 | // Count element in remaining partial chunk |
duke@435 | 1335 | objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset)); |
duke@435 | 1336 | typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
duke@435 | 1337 | assert(methods != NULL && bcis != NULL, "sanity check"); |
duke@435 | 1338 | for (int i = 0; i < methods->length(); i++) { |
duke@435 | 1339 | if (methods->obj_at(i) == NULL) break; |
duke@435 | 1340 | depth++; |
duke@435 | 1341 | } |
duke@435 | 1342 | } |
duke@435 | 1343 | return depth; |
duke@435 | 1344 | } |
duke@435 | 1345 | |
duke@435 | 1346 | |
duke@435 | 1347 | oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) { |
duke@435 | 1348 | if (throwable == NULL) { |
duke@435 | 1349 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 1350 | } |
duke@435 | 1351 | if (index < 0) { |
duke@435 | 1352 | THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
duke@435 | 1353 | } |
duke@435 | 1354 | // Compute how many chunks to skip and index into actual chunk |
duke@435 | 1355 | objArrayOop chunk = objArrayOop(backtrace(throwable)); |
duke@435 | 1356 | int skip_chunks = index / trace_chunk_size; |
duke@435 | 1357 | int chunk_index = index % trace_chunk_size; |
duke@435 | 1358 | while (chunk != NULL && skip_chunks > 0) { |
duke@435 | 1359 | chunk = objArrayOop(chunk->obj_at(trace_next_offset)); |
duke@435 | 1360 | skip_chunks--; |
duke@435 | 1361 | } |
duke@435 | 1362 | if (chunk == NULL) { |
duke@435 | 1363 | THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
duke@435 | 1364 | } |
duke@435 | 1365 | // Get method,bci from chunk |
duke@435 | 1366 | objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset)); |
duke@435 | 1367 | typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
duke@435 | 1368 | assert(methods != NULL && bcis != NULL, "sanity check"); |
duke@435 | 1369 | methodHandle method(THREAD, methodOop(methods->obj_at(chunk_index))); |
duke@435 | 1370 | int bci = bcis->ushort_at(chunk_index); |
duke@435 | 1371 | // Chunk can be partial full |
duke@435 | 1372 | if (method.is_null()) { |
duke@435 | 1373 | THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
duke@435 | 1374 | } |
duke@435 | 1375 | |
duke@435 | 1376 | oop element = java_lang_StackTraceElement::create(method, bci, CHECK_0); |
duke@435 | 1377 | return element; |
duke@435 | 1378 | } |
duke@435 | 1379 | |
duke@435 | 1380 | oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) { |
duke@435 | 1381 | // SystemDictionary::stackTraceElement_klass() will be null for pre-1.4 JDKs |
duke@435 | 1382 | assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); |
duke@435 | 1383 | |
duke@435 | 1384 | // Allocate java.lang.StackTraceElement instance |
duke@435 | 1385 | klassOop k = SystemDictionary::stackTraceElement_klass(); |
jrose@567 | 1386 | assert(k != NULL, "must be loaded in 1.4+"); |
duke@435 | 1387 | instanceKlassHandle ik (THREAD, k); |
duke@435 | 1388 | if (ik->should_be_initialized()) { |
duke@435 | 1389 | ik->initialize(CHECK_0); |
duke@435 | 1390 | } |
duke@435 | 1391 | |
duke@435 | 1392 | Handle element = ik->allocate_instance_handle(CHECK_0); |
duke@435 | 1393 | // Fill in class name |
duke@435 | 1394 | ResourceMark rm(THREAD); |
duke@435 | 1395 | const char* str = instanceKlass::cast(method->method_holder())->external_name(); |
duke@435 | 1396 | oop classname = StringTable::intern((char*) str, CHECK_0); |
duke@435 | 1397 | java_lang_StackTraceElement::set_declaringClass(element(), classname); |
duke@435 | 1398 | // Fill in method name |
duke@435 | 1399 | oop methodname = StringTable::intern(method->name(), CHECK_0); |
duke@435 | 1400 | java_lang_StackTraceElement::set_methodName(element(), methodname); |
duke@435 | 1401 | // Fill in source file name |
duke@435 | 1402 | symbolOop source = instanceKlass::cast(method->method_holder())->source_file_name(); |
duke@435 | 1403 | oop filename = StringTable::intern(source, CHECK_0); |
duke@435 | 1404 | java_lang_StackTraceElement::set_fileName(element(), filename); |
duke@435 | 1405 | // File in source line number |
duke@435 | 1406 | int line_number; |
duke@435 | 1407 | if (method->is_native()) { |
duke@435 | 1408 | // Negative value different from -1 below, enabling Java code in |
duke@435 | 1409 | // class java.lang.StackTraceElement to distinguish "native" from |
duke@435 | 1410 | // "no LineNumberTable". |
duke@435 | 1411 | line_number = -2; |
duke@435 | 1412 | } else { |
duke@435 | 1413 | // Returns -1 if no LineNumberTable, and otherwise actual line number |
duke@435 | 1414 | line_number = method->line_number_from_bci(bci); |
duke@435 | 1415 | } |
duke@435 | 1416 | java_lang_StackTraceElement::set_lineNumber(element(), line_number); |
duke@435 | 1417 | |
duke@435 | 1418 | return element(); |
duke@435 | 1419 | } |
duke@435 | 1420 | |
duke@435 | 1421 | |
duke@435 | 1422 | void java_lang_reflect_AccessibleObject::compute_offsets() { |
duke@435 | 1423 | klassOop k = SystemDictionary::reflect_accessible_object_klass(); |
jrose@567 | 1424 | compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature()); |
duke@435 | 1425 | } |
duke@435 | 1426 | |
duke@435 | 1427 | jboolean java_lang_reflect_AccessibleObject::override(oop reflect) { |
duke@435 | 1428 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1429 | return (jboolean) reflect->bool_field(override_offset); |
duke@435 | 1430 | } |
duke@435 | 1431 | |
duke@435 | 1432 | void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) { |
duke@435 | 1433 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1434 | reflect->bool_field_put(override_offset, (int) value); |
duke@435 | 1435 | } |
duke@435 | 1436 | |
duke@435 | 1437 | void java_lang_reflect_Method::compute_offsets() { |
duke@435 | 1438 | klassOop k = SystemDictionary::reflect_method_klass(); |
jrose@567 | 1439 | compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
jrose@567 | 1440 | compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
jrose@567 | 1441 | compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature()); |
jrose@567 | 1442 | compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
jrose@567 | 1443 | compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
jrose@567 | 1444 | compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
jrose@567 | 1445 | compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
duke@435 | 1446 | // The generic signature and annotations fields are only present in 1.5 |
duke@435 | 1447 | signature_offset = -1; |
duke@435 | 1448 | annotations_offset = -1; |
duke@435 | 1449 | parameter_annotations_offset = -1; |
duke@435 | 1450 | annotation_default_offset = -1; |
jrose@567 | 1451 | compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
jrose@567 | 1452 | compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
jrose@567 | 1453 | compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
jrose@567 | 1454 | compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature()); |
duke@435 | 1455 | } |
duke@435 | 1456 | |
duke@435 | 1457 | Handle java_lang_reflect_Method::create(TRAPS) { |
duke@435 | 1458 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1459 | klassOop klass = SystemDictionary::reflect_method_klass(); |
duke@435 | 1460 | // This class is eagerly initialized during VM initialization, since we keep a refence |
duke@435 | 1461 | // to one of the methods |
duke@435 | 1462 | assert(instanceKlass::cast(klass)->is_initialized(), "must be initialized"); |
duke@435 | 1463 | return instanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH); |
duke@435 | 1464 | } |
duke@435 | 1465 | |
duke@435 | 1466 | oop java_lang_reflect_Method::clazz(oop reflect) { |
duke@435 | 1467 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1468 | return reflect->obj_field(clazz_offset); |
duke@435 | 1469 | } |
duke@435 | 1470 | |
duke@435 | 1471 | void java_lang_reflect_Method::set_clazz(oop reflect, oop value) { |
duke@435 | 1472 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1473 | reflect->obj_field_put(clazz_offset, value); |
duke@435 | 1474 | } |
duke@435 | 1475 | |
duke@435 | 1476 | int java_lang_reflect_Method::slot(oop reflect) { |
duke@435 | 1477 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1478 | return reflect->int_field(slot_offset); |
duke@435 | 1479 | } |
duke@435 | 1480 | |
duke@435 | 1481 | void java_lang_reflect_Method::set_slot(oop reflect, int value) { |
duke@435 | 1482 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1483 | reflect->int_field_put(slot_offset, value); |
duke@435 | 1484 | } |
duke@435 | 1485 | |
duke@435 | 1486 | oop java_lang_reflect_Method::name(oop method) { |
duke@435 | 1487 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1488 | return method->obj_field(name_offset); |
duke@435 | 1489 | } |
duke@435 | 1490 | |
duke@435 | 1491 | void java_lang_reflect_Method::set_name(oop method, oop value) { |
duke@435 | 1492 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1493 | method->obj_field_put(name_offset, value); |
duke@435 | 1494 | } |
duke@435 | 1495 | |
duke@435 | 1496 | oop java_lang_reflect_Method::return_type(oop method) { |
duke@435 | 1497 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1498 | return method->obj_field(returnType_offset); |
duke@435 | 1499 | } |
duke@435 | 1500 | |
duke@435 | 1501 | void java_lang_reflect_Method::set_return_type(oop method, oop value) { |
duke@435 | 1502 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1503 | method->obj_field_put(returnType_offset, value); |
duke@435 | 1504 | } |
duke@435 | 1505 | |
duke@435 | 1506 | oop java_lang_reflect_Method::parameter_types(oop method) { |
duke@435 | 1507 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1508 | return method->obj_field(parameterTypes_offset); |
duke@435 | 1509 | } |
duke@435 | 1510 | |
duke@435 | 1511 | void java_lang_reflect_Method::set_parameter_types(oop method, oop value) { |
duke@435 | 1512 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1513 | method->obj_field_put(parameterTypes_offset, value); |
duke@435 | 1514 | } |
duke@435 | 1515 | |
duke@435 | 1516 | oop java_lang_reflect_Method::exception_types(oop method) { |
duke@435 | 1517 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1518 | return method->obj_field(exceptionTypes_offset); |
duke@435 | 1519 | } |
duke@435 | 1520 | |
duke@435 | 1521 | void java_lang_reflect_Method::set_exception_types(oop method, oop value) { |
duke@435 | 1522 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1523 | method->obj_field_put(exceptionTypes_offset, value); |
duke@435 | 1524 | } |
duke@435 | 1525 | |
duke@435 | 1526 | int java_lang_reflect_Method::modifiers(oop method) { |
duke@435 | 1527 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1528 | return method->int_field(modifiers_offset); |
duke@435 | 1529 | } |
duke@435 | 1530 | |
duke@435 | 1531 | void java_lang_reflect_Method::set_modifiers(oop method, int value) { |
duke@435 | 1532 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1533 | method->int_field_put(modifiers_offset, value); |
duke@435 | 1534 | } |
duke@435 | 1535 | |
duke@435 | 1536 | bool java_lang_reflect_Method::has_signature_field() { |
duke@435 | 1537 | return (signature_offset >= 0); |
duke@435 | 1538 | } |
duke@435 | 1539 | |
duke@435 | 1540 | oop java_lang_reflect_Method::signature(oop method) { |
duke@435 | 1541 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1542 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 1543 | return method->obj_field(signature_offset); |
duke@435 | 1544 | } |
duke@435 | 1545 | |
duke@435 | 1546 | void java_lang_reflect_Method::set_signature(oop method, oop value) { |
duke@435 | 1547 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1548 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 1549 | method->obj_field_put(signature_offset, value); |
duke@435 | 1550 | } |
duke@435 | 1551 | |
duke@435 | 1552 | bool java_lang_reflect_Method::has_annotations_field() { |
duke@435 | 1553 | return (annotations_offset >= 0); |
duke@435 | 1554 | } |
duke@435 | 1555 | |
duke@435 | 1556 | oop java_lang_reflect_Method::annotations(oop method) { |
duke@435 | 1557 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1558 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 1559 | return method->obj_field(annotations_offset); |
duke@435 | 1560 | } |
duke@435 | 1561 | |
duke@435 | 1562 | void java_lang_reflect_Method::set_annotations(oop method, oop value) { |
duke@435 | 1563 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1564 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 1565 | method->obj_field_put(annotations_offset, value); |
duke@435 | 1566 | } |
duke@435 | 1567 | |
duke@435 | 1568 | bool java_lang_reflect_Method::has_parameter_annotations_field() { |
duke@435 | 1569 | return (parameter_annotations_offset >= 0); |
duke@435 | 1570 | } |
duke@435 | 1571 | |
duke@435 | 1572 | oop java_lang_reflect_Method::parameter_annotations(oop method) { |
duke@435 | 1573 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1574 | assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
duke@435 | 1575 | return method->obj_field(parameter_annotations_offset); |
duke@435 | 1576 | } |
duke@435 | 1577 | |
duke@435 | 1578 | void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) { |
duke@435 | 1579 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1580 | assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
duke@435 | 1581 | method->obj_field_put(parameter_annotations_offset, value); |
duke@435 | 1582 | } |
duke@435 | 1583 | |
duke@435 | 1584 | bool java_lang_reflect_Method::has_annotation_default_field() { |
duke@435 | 1585 | return (annotation_default_offset >= 0); |
duke@435 | 1586 | } |
duke@435 | 1587 | |
duke@435 | 1588 | oop java_lang_reflect_Method::annotation_default(oop method) { |
duke@435 | 1589 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1590 | assert(has_annotation_default_field(), "annotation default field must be present"); |
duke@435 | 1591 | return method->obj_field(annotation_default_offset); |
duke@435 | 1592 | } |
duke@435 | 1593 | |
duke@435 | 1594 | void java_lang_reflect_Method::set_annotation_default(oop method, oop value) { |
duke@435 | 1595 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1596 | assert(has_annotation_default_field(), "annotation default field must be present"); |
duke@435 | 1597 | method->obj_field_put(annotation_default_offset, value); |
duke@435 | 1598 | } |
duke@435 | 1599 | |
duke@435 | 1600 | void java_lang_reflect_Constructor::compute_offsets() { |
duke@435 | 1601 | klassOop k = SystemDictionary::reflect_constructor_klass(); |
jrose@567 | 1602 | compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
jrose@567 | 1603 | compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
jrose@567 | 1604 | compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
jrose@567 | 1605 | compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
jrose@567 | 1606 | compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
duke@435 | 1607 | // The generic signature and annotations fields are only present in 1.5 |
duke@435 | 1608 | signature_offset = -1; |
duke@435 | 1609 | annotations_offset = -1; |
duke@435 | 1610 | parameter_annotations_offset = -1; |
jrose@567 | 1611 | compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
jrose@567 | 1612 | compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
jrose@567 | 1613 | compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
duke@435 | 1614 | } |
duke@435 | 1615 | |
duke@435 | 1616 | Handle java_lang_reflect_Constructor::create(TRAPS) { |
duke@435 | 1617 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1618 | symbolHandle name = vmSymbolHandles::java_lang_reflect_Constructor(); |
duke@435 | 1619 | klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
duke@435 | 1620 | instanceKlassHandle klass (THREAD, k); |
duke@435 | 1621 | // Ensure it is initialized |
duke@435 | 1622 | klass->initialize(CHECK_NH); |
duke@435 | 1623 | return klass->allocate_instance_handle(CHECK_NH); |
duke@435 | 1624 | } |
duke@435 | 1625 | |
duke@435 | 1626 | oop java_lang_reflect_Constructor::clazz(oop reflect) { |
duke@435 | 1627 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1628 | return reflect->obj_field(clazz_offset); |
duke@435 | 1629 | } |
duke@435 | 1630 | |
duke@435 | 1631 | void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) { |
duke@435 | 1632 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1633 | reflect->obj_field_put(clazz_offset, value); |
duke@435 | 1634 | } |
duke@435 | 1635 | |
duke@435 | 1636 | oop java_lang_reflect_Constructor::parameter_types(oop constructor) { |
duke@435 | 1637 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1638 | return constructor->obj_field(parameterTypes_offset); |
duke@435 | 1639 | } |
duke@435 | 1640 | |
duke@435 | 1641 | void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) { |
duke@435 | 1642 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1643 | constructor->obj_field_put(parameterTypes_offset, value); |
duke@435 | 1644 | } |
duke@435 | 1645 | |
duke@435 | 1646 | oop java_lang_reflect_Constructor::exception_types(oop constructor) { |
duke@435 | 1647 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1648 | return constructor->obj_field(exceptionTypes_offset); |
duke@435 | 1649 | } |
duke@435 | 1650 | |
duke@435 | 1651 | void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) { |
duke@435 | 1652 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1653 | constructor->obj_field_put(exceptionTypes_offset, value); |
duke@435 | 1654 | } |
duke@435 | 1655 | |
duke@435 | 1656 | int java_lang_reflect_Constructor::slot(oop reflect) { |
duke@435 | 1657 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1658 | return reflect->int_field(slot_offset); |
duke@435 | 1659 | } |
duke@435 | 1660 | |
duke@435 | 1661 | void java_lang_reflect_Constructor::set_slot(oop reflect, int value) { |
duke@435 | 1662 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1663 | reflect->int_field_put(slot_offset, value); |
duke@435 | 1664 | } |
duke@435 | 1665 | |
duke@435 | 1666 | int java_lang_reflect_Constructor::modifiers(oop constructor) { |
duke@435 | 1667 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1668 | return constructor->int_field(modifiers_offset); |
duke@435 | 1669 | } |
duke@435 | 1670 | |
duke@435 | 1671 | void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) { |
duke@435 | 1672 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1673 | constructor->int_field_put(modifiers_offset, value); |
duke@435 | 1674 | } |
duke@435 | 1675 | |
duke@435 | 1676 | bool java_lang_reflect_Constructor::has_signature_field() { |
duke@435 | 1677 | return (signature_offset >= 0); |
duke@435 | 1678 | } |
duke@435 | 1679 | |
duke@435 | 1680 | oop java_lang_reflect_Constructor::signature(oop constructor) { |
duke@435 | 1681 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1682 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 1683 | return constructor->obj_field(signature_offset); |
duke@435 | 1684 | } |
duke@435 | 1685 | |
duke@435 | 1686 | void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) { |
duke@435 | 1687 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1688 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 1689 | constructor->obj_field_put(signature_offset, value); |
duke@435 | 1690 | } |
duke@435 | 1691 | |
duke@435 | 1692 | bool java_lang_reflect_Constructor::has_annotations_field() { |
duke@435 | 1693 | return (annotations_offset >= 0); |
duke@435 | 1694 | } |
duke@435 | 1695 | |
duke@435 | 1696 | oop java_lang_reflect_Constructor::annotations(oop constructor) { |
duke@435 | 1697 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1698 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 1699 | return constructor->obj_field(annotations_offset); |
duke@435 | 1700 | } |
duke@435 | 1701 | |
duke@435 | 1702 | void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) { |
duke@435 | 1703 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1704 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 1705 | constructor->obj_field_put(annotations_offset, value); |
duke@435 | 1706 | } |
duke@435 | 1707 | |
duke@435 | 1708 | bool java_lang_reflect_Constructor::has_parameter_annotations_field() { |
duke@435 | 1709 | return (parameter_annotations_offset >= 0); |
duke@435 | 1710 | } |
duke@435 | 1711 | |
duke@435 | 1712 | oop java_lang_reflect_Constructor::parameter_annotations(oop method) { |
duke@435 | 1713 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1714 | assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
duke@435 | 1715 | return method->obj_field(parameter_annotations_offset); |
duke@435 | 1716 | } |
duke@435 | 1717 | |
duke@435 | 1718 | void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) { |
duke@435 | 1719 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1720 | assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
duke@435 | 1721 | method->obj_field_put(parameter_annotations_offset, value); |
duke@435 | 1722 | } |
duke@435 | 1723 | |
duke@435 | 1724 | void java_lang_reflect_Field::compute_offsets() { |
duke@435 | 1725 | klassOop k = SystemDictionary::reflect_field_klass(); |
jrose@567 | 1726 | compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
jrose@567 | 1727 | compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
jrose@567 | 1728 | compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature()); |
jrose@567 | 1729 | compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
jrose@567 | 1730 | compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
duke@435 | 1731 | // The generic signature and annotations fields are only present in 1.5 |
duke@435 | 1732 | signature_offset = -1; |
duke@435 | 1733 | annotations_offset = -1; |
jrose@567 | 1734 | compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
jrose@567 | 1735 | compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
duke@435 | 1736 | } |
duke@435 | 1737 | |
duke@435 | 1738 | Handle java_lang_reflect_Field::create(TRAPS) { |
duke@435 | 1739 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1740 | symbolHandle name = vmSymbolHandles::java_lang_reflect_Field(); |
duke@435 | 1741 | klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
duke@435 | 1742 | instanceKlassHandle klass (THREAD, k); |
duke@435 | 1743 | // Ensure it is initialized |
duke@435 | 1744 | klass->initialize(CHECK_NH); |
duke@435 | 1745 | return klass->allocate_instance_handle(CHECK_NH); |
duke@435 | 1746 | } |
duke@435 | 1747 | |
duke@435 | 1748 | oop java_lang_reflect_Field::clazz(oop reflect) { |
duke@435 | 1749 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1750 | return reflect->obj_field(clazz_offset); |
duke@435 | 1751 | } |
duke@435 | 1752 | |
duke@435 | 1753 | void java_lang_reflect_Field::set_clazz(oop reflect, oop value) { |
duke@435 | 1754 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1755 | reflect->obj_field_put(clazz_offset, value); |
duke@435 | 1756 | } |
duke@435 | 1757 | |
duke@435 | 1758 | oop java_lang_reflect_Field::name(oop field) { |
duke@435 | 1759 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1760 | return field->obj_field(name_offset); |
duke@435 | 1761 | } |
duke@435 | 1762 | |
duke@435 | 1763 | void java_lang_reflect_Field::set_name(oop field, oop value) { |
duke@435 | 1764 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1765 | field->obj_field_put(name_offset, value); |
duke@435 | 1766 | } |
duke@435 | 1767 | |
duke@435 | 1768 | oop java_lang_reflect_Field::type(oop field) { |
duke@435 | 1769 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1770 | return field->obj_field(type_offset); |
duke@435 | 1771 | } |
duke@435 | 1772 | |
duke@435 | 1773 | void java_lang_reflect_Field::set_type(oop field, oop value) { |
duke@435 | 1774 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1775 | field->obj_field_put(type_offset, value); |
duke@435 | 1776 | } |
duke@435 | 1777 | |
duke@435 | 1778 | int java_lang_reflect_Field::slot(oop reflect) { |
duke@435 | 1779 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1780 | return reflect->int_field(slot_offset); |
duke@435 | 1781 | } |
duke@435 | 1782 | |
duke@435 | 1783 | void java_lang_reflect_Field::set_slot(oop reflect, int value) { |
duke@435 | 1784 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1785 | reflect->int_field_put(slot_offset, value); |
duke@435 | 1786 | } |
duke@435 | 1787 | |
duke@435 | 1788 | int java_lang_reflect_Field::modifiers(oop field) { |
duke@435 | 1789 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1790 | return field->int_field(modifiers_offset); |
duke@435 | 1791 | } |
duke@435 | 1792 | |
duke@435 | 1793 | void java_lang_reflect_Field::set_modifiers(oop field, int value) { |
duke@435 | 1794 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1795 | field->int_field_put(modifiers_offset, value); |
duke@435 | 1796 | } |
duke@435 | 1797 | |
duke@435 | 1798 | bool java_lang_reflect_Field::has_signature_field() { |
duke@435 | 1799 | return (signature_offset >= 0); |
duke@435 | 1800 | } |
duke@435 | 1801 | |
duke@435 | 1802 | oop java_lang_reflect_Field::signature(oop field) { |
duke@435 | 1803 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1804 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 1805 | return field->obj_field(signature_offset); |
duke@435 | 1806 | } |
duke@435 | 1807 | |
duke@435 | 1808 | void java_lang_reflect_Field::set_signature(oop field, oop value) { |
duke@435 | 1809 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1810 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 1811 | field->obj_field_put(signature_offset, value); |
duke@435 | 1812 | } |
duke@435 | 1813 | |
duke@435 | 1814 | bool java_lang_reflect_Field::has_annotations_field() { |
duke@435 | 1815 | return (annotations_offset >= 0); |
duke@435 | 1816 | } |
duke@435 | 1817 | |
duke@435 | 1818 | oop java_lang_reflect_Field::annotations(oop field) { |
duke@435 | 1819 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1820 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 1821 | return field->obj_field(annotations_offset); |
duke@435 | 1822 | } |
duke@435 | 1823 | |
duke@435 | 1824 | void java_lang_reflect_Field::set_annotations(oop field, oop value) { |
duke@435 | 1825 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1826 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 1827 | field->obj_field_put(annotations_offset, value); |
duke@435 | 1828 | } |
duke@435 | 1829 | |
duke@435 | 1830 | |
duke@435 | 1831 | void sun_reflect_ConstantPool::compute_offsets() { |
duke@435 | 1832 | klassOop k = SystemDictionary::reflect_constant_pool_klass(); |
duke@435 | 1833 | // This null test can be removed post beta |
duke@435 | 1834 | if (k != NULL) { |
jrose@567 | 1835 | compute_offset(_cp_oop_offset, k, vmSymbols::constantPoolOop_name(), vmSymbols::object_signature()); |
duke@435 | 1836 | } |
duke@435 | 1837 | } |
duke@435 | 1838 | |
duke@435 | 1839 | |
duke@435 | 1840 | Handle sun_reflect_ConstantPool::create(TRAPS) { |
duke@435 | 1841 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1842 | klassOop k = SystemDictionary::reflect_constant_pool_klass(); |
duke@435 | 1843 | instanceKlassHandle klass (THREAD, k); |
duke@435 | 1844 | // Ensure it is initialized |
duke@435 | 1845 | klass->initialize(CHECK_NH); |
duke@435 | 1846 | return klass->allocate_instance_handle(CHECK_NH); |
duke@435 | 1847 | } |
duke@435 | 1848 | |
duke@435 | 1849 | |
duke@435 | 1850 | oop sun_reflect_ConstantPool::cp_oop(oop reflect) { |
duke@435 | 1851 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1852 | return reflect->obj_field(_cp_oop_offset); |
duke@435 | 1853 | } |
duke@435 | 1854 | |
duke@435 | 1855 | |
duke@435 | 1856 | void sun_reflect_ConstantPool::set_cp_oop(oop reflect, oop value) { |
duke@435 | 1857 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1858 | reflect->obj_field_put(_cp_oop_offset, value); |
duke@435 | 1859 | } |
duke@435 | 1860 | |
duke@435 | 1861 | void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() { |
duke@435 | 1862 | klassOop k = SystemDictionary::reflect_unsafe_static_field_accessor_impl_klass(); |
duke@435 | 1863 | // This null test can be removed post beta |
duke@435 | 1864 | if (k != NULL) { |
jrose@567 | 1865 | compute_offset(_base_offset, k, |
duke@435 | 1866 | vmSymbols::base_name(), vmSymbols::object_signature()); |
duke@435 | 1867 | } |
duke@435 | 1868 | } |
duke@435 | 1869 | |
jrose@567 | 1870 | oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) { |
jrose@567 | 1871 | klassOop k = SystemDictionary::box_klass(type); |
jrose@567 | 1872 | if (k == NULL) return NULL; |
jrose@567 | 1873 | instanceKlassHandle h (THREAD, k); |
jrose@567 | 1874 | if (!h->is_initialized()) h->initialize(CHECK_0); |
jrose@567 | 1875 | return h->allocate_instance(THREAD); |
duke@435 | 1876 | } |
duke@435 | 1877 | |
duke@435 | 1878 | |
duke@435 | 1879 | oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) { |
jrose@567 | 1880 | oop box = initialize_and_allocate(type, CHECK_0); |
jrose@567 | 1881 | if (box == NULL) return NULL; |
duke@435 | 1882 | switch (type) { |
duke@435 | 1883 | case T_BOOLEAN: |
duke@435 | 1884 | box->bool_field_put(value_offset, value->z); |
duke@435 | 1885 | break; |
duke@435 | 1886 | case T_CHAR: |
duke@435 | 1887 | box->char_field_put(value_offset, value->c); |
duke@435 | 1888 | break; |
duke@435 | 1889 | case T_FLOAT: |
duke@435 | 1890 | box->float_field_put(value_offset, value->f); |
duke@435 | 1891 | break; |
duke@435 | 1892 | case T_DOUBLE: |
kvn@600 | 1893 | box->double_field_put(long_value_offset, value->d); |
duke@435 | 1894 | break; |
duke@435 | 1895 | case T_BYTE: |
duke@435 | 1896 | box->byte_field_put(value_offset, value->b); |
duke@435 | 1897 | break; |
duke@435 | 1898 | case T_SHORT: |
duke@435 | 1899 | box->short_field_put(value_offset, value->s); |
duke@435 | 1900 | break; |
duke@435 | 1901 | case T_INT: |
duke@435 | 1902 | box->int_field_put(value_offset, value->i); |
duke@435 | 1903 | break; |
duke@435 | 1904 | case T_LONG: |
kvn@600 | 1905 | box->long_field_put(long_value_offset, value->j); |
duke@435 | 1906 | break; |
duke@435 | 1907 | default: |
duke@435 | 1908 | return NULL; |
duke@435 | 1909 | } |
duke@435 | 1910 | return box; |
duke@435 | 1911 | } |
duke@435 | 1912 | |
duke@435 | 1913 | |
jrose@567 | 1914 | BasicType java_lang_boxing_object::basic_type(oop box) { |
jrose@567 | 1915 | if (box == NULL) return T_ILLEGAL; |
jrose@567 | 1916 | BasicType type = SystemDictionary::box_klass_type(box->klass()); |
jrose@567 | 1917 | if (type == T_OBJECT) // 'unknown' value returned by SD::bkt |
jrose@567 | 1918 | return T_ILLEGAL; |
jrose@567 | 1919 | return type; |
jrose@567 | 1920 | } |
jrose@567 | 1921 | |
jrose@567 | 1922 | |
duke@435 | 1923 | BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) { |
jrose@567 | 1924 | BasicType type = SystemDictionary::box_klass_type(box->klass()); |
jrose@567 | 1925 | switch (type) { |
jrose@567 | 1926 | case T_BOOLEAN: |
duke@435 | 1927 | value->z = box->bool_field(value_offset); |
jrose@567 | 1928 | break; |
jrose@567 | 1929 | case T_CHAR: |
duke@435 | 1930 | value->c = box->char_field(value_offset); |
jrose@567 | 1931 | break; |
jrose@567 | 1932 | case T_FLOAT: |
duke@435 | 1933 | value->f = box->float_field(value_offset); |
jrose@567 | 1934 | break; |
jrose@567 | 1935 | case T_DOUBLE: |
kvn@600 | 1936 | value->d = box->double_field(long_value_offset); |
jrose@567 | 1937 | break; |
jrose@567 | 1938 | case T_BYTE: |
duke@435 | 1939 | value->b = box->byte_field(value_offset); |
jrose@567 | 1940 | break; |
jrose@567 | 1941 | case T_SHORT: |
duke@435 | 1942 | value->s = box->short_field(value_offset); |
jrose@567 | 1943 | break; |
jrose@567 | 1944 | case T_INT: |
duke@435 | 1945 | value->i = box->int_field(value_offset); |
jrose@567 | 1946 | break; |
jrose@567 | 1947 | case T_LONG: |
kvn@600 | 1948 | value->j = box->long_field(long_value_offset); |
jrose@567 | 1949 | break; |
jrose@567 | 1950 | default: |
jrose@567 | 1951 | return T_ILLEGAL; |
jrose@567 | 1952 | } // end switch |
jrose@567 | 1953 | return type; |
duke@435 | 1954 | } |
duke@435 | 1955 | |
duke@435 | 1956 | |
duke@435 | 1957 | BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) { |
jrose@567 | 1958 | BasicType type = SystemDictionary::box_klass_type(box->klass()); |
jrose@567 | 1959 | switch (type) { |
jrose@567 | 1960 | case T_BOOLEAN: |
duke@435 | 1961 | box->bool_field_put(value_offset, value->z); |
jrose@567 | 1962 | break; |
jrose@567 | 1963 | case T_CHAR: |
duke@435 | 1964 | box->char_field_put(value_offset, value->c); |
jrose@567 | 1965 | break; |
jrose@567 | 1966 | case T_FLOAT: |
duke@435 | 1967 | box->float_field_put(value_offset, value->f); |
jrose@567 | 1968 | break; |
jrose@567 | 1969 | case T_DOUBLE: |
kvn@600 | 1970 | box->double_field_put(long_value_offset, value->d); |
jrose@567 | 1971 | break; |
jrose@567 | 1972 | case T_BYTE: |
duke@435 | 1973 | box->byte_field_put(value_offset, value->b); |
jrose@567 | 1974 | break; |
jrose@567 | 1975 | case T_SHORT: |
duke@435 | 1976 | box->short_field_put(value_offset, value->s); |
jrose@567 | 1977 | break; |
jrose@567 | 1978 | case T_INT: |
duke@435 | 1979 | box->int_field_put(value_offset, value->i); |
jrose@567 | 1980 | break; |
jrose@567 | 1981 | case T_LONG: |
kvn@600 | 1982 | box->long_field_put(long_value_offset, value->j); |
jrose@567 | 1983 | break; |
jrose@567 | 1984 | default: |
jrose@567 | 1985 | return T_ILLEGAL; |
jrose@567 | 1986 | } // end switch |
jrose@567 | 1987 | return type; |
duke@435 | 1988 | } |
duke@435 | 1989 | |
duke@435 | 1990 | |
duke@435 | 1991 | // Support for java_lang_ref_Reference |
coleenp@548 | 1992 | oop java_lang_ref_Reference::pending_list_lock() { |
coleenp@548 | 1993 | instanceKlass* ik = instanceKlass::cast(SystemDictionary::reference_klass()); |
coleenp@548 | 1994 | char *addr = (((char *)ik->start_of_static_fields()) + static_lock_offset); |
coleenp@548 | 1995 | if (UseCompressedOops) { |
coleenp@548 | 1996 | return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
coleenp@548 | 1997 | } else { |
coleenp@548 | 1998 | return oopDesc::load_decode_heap_oop((oop*)addr); |
coleenp@548 | 1999 | } |
duke@435 | 2000 | } |
duke@435 | 2001 | |
coleenp@548 | 2002 | HeapWord *java_lang_ref_Reference::pending_list_addr() { |
coleenp@548 | 2003 | instanceKlass* ik = instanceKlass::cast(SystemDictionary::reference_klass()); |
coleenp@548 | 2004 | char *addr = (((char *)ik->start_of_static_fields()) + static_pending_offset); |
coleenp@548 | 2005 | // XXX This might not be HeapWord aligned, almost rather be char *. |
coleenp@548 | 2006 | return (HeapWord*)addr; |
duke@435 | 2007 | } |
duke@435 | 2008 | |
coleenp@548 | 2009 | oop java_lang_ref_Reference::pending_list() { |
coleenp@548 | 2010 | char *addr = (char *)pending_list_addr(); |
coleenp@548 | 2011 | if (UseCompressedOops) { |
coleenp@548 | 2012 | return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
coleenp@548 | 2013 | } else { |
coleenp@548 | 2014 | return oopDesc::load_decode_heap_oop((oop*)addr); |
coleenp@548 | 2015 | } |
duke@435 | 2016 | } |
duke@435 | 2017 | |
duke@435 | 2018 | |
duke@435 | 2019 | // Support for java_lang_ref_SoftReference |
duke@435 | 2020 | |
duke@435 | 2021 | jlong java_lang_ref_SoftReference::timestamp(oop ref) { |
duke@435 | 2022 | return ref->long_field(timestamp_offset); |
duke@435 | 2023 | } |
duke@435 | 2024 | |
duke@435 | 2025 | jlong java_lang_ref_SoftReference::clock() { |
duke@435 | 2026 | instanceKlass* ik = instanceKlass::cast(SystemDictionary::soft_reference_klass()); |
duke@435 | 2027 | int offset = ik->offset_of_static_fields() + static_clock_offset; |
duke@435 | 2028 | |
duke@435 | 2029 | return SystemDictionary::soft_reference_klass()->long_field(offset); |
duke@435 | 2030 | } |
duke@435 | 2031 | |
duke@435 | 2032 | void java_lang_ref_SoftReference::set_clock(jlong value) { |
duke@435 | 2033 | instanceKlass* ik = instanceKlass::cast(SystemDictionary::soft_reference_klass()); |
duke@435 | 2034 | int offset = ik->offset_of_static_fields() + static_clock_offset; |
duke@435 | 2035 | |
duke@435 | 2036 | SystemDictionary::soft_reference_klass()->long_field_put(offset, value); |
duke@435 | 2037 | } |
duke@435 | 2038 | |
duke@435 | 2039 | |
duke@435 | 2040 | // Support for java_security_AccessControlContext |
duke@435 | 2041 | |
duke@435 | 2042 | int java_security_AccessControlContext::_context_offset = 0; |
duke@435 | 2043 | int java_security_AccessControlContext::_privilegedContext_offset = 0; |
duke@435 | 2044 | int java_security_AccessControlContext::_isPrivileged_offset = 0; |
duke@435 | 2045 | |
duke@435 | 2046 | |
duke@435 | 2047 | void java_security_AccessControlContext::compute_offsets() { |
duke@435 | 2048 | assert(_isPrivileged_offset == 0, "offsets should be initialized only once"); |
duke@435 | 2049 | fieldDescriptor fd; |
duke@435 | 2050 | instanceKlass* ik = instanceKlass::cast(SystemDictionary::AccessControlContext_klass()); |
duke@435 | 2051 | |
duke@435 | 2052 | if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) { |
duke@435 | 2053 | fatal("Invalid layout of java.security.AccessControlContext"); |
duke@435 | 2054 | } |
duke@435 | 2055 | _context_offset = fd.offset(); |
duke@435 | 2056 | |
duke@435 | 2057 | if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) { |
duke@435 | 2058 | fatal("Invalid layout of java.security.AccessControlContext"); |
duke@435 | 2059 | } |
duke@435 | 2060 | _privilegedContext_offset = fd.offset(); |
duke@435 | 2061 | |
duke@435 | 2062 | if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) { |
duke@435 | 2063 | fatal("Invalid layout of java.security.AccessControlContext"); |
duke@435 | 2064 | } |
duke@435 | 2065 | _isPrivileged_offset = fd.offset(); |
duke@435 | 2066 | } |
duke@435 | 2067 | |
duke@435 | 2068 | |
duke@435 | 2069 | oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) { |
duke@435 | 2070 | assert(_isPrivileged_offset != 0, "offsets should have been initialized"); |
duke@435 | 2071 | // Ensure klass is initialized |
duke@435 | 2072 | instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0); |
duke@435 | 2073 | // Allocate result |
duke@435 | 2074 | oop result = instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0); |
duke@435 | 2075 | // Fill in values |
duke@435 | 2076 | result->obj_field_put(_context_offset, context()); |
duke@435 | 2077 | result->obj_field_put(_privilegedContext_offset, privileged_context()); |
duke@435 | 2078 | result->bool_field_put(_isPrivileged_offset, isPrivileged); |
duke@435 | 2079 | return result; |
duke@435 | 2080 | } |
duke@435 | 2081 | |
duke@435 | 2082 | |
duke@435 | 2083 | // Support for java_lang_ClassLoader |
duke@435 | 2084 | |
duke@435 | 2085 | oop java_lang_ClassLoader::parent(oop loader) { |
duke@435 | 2086 | assert(loader->is_oop(), "loader must be oop"); |
duke@435 | 2087 | return loader->obj_field(parent_offset); |
duke@435 | 2088 | } |
duke@435 | 2089 | |
duke@435 | 2090 | |
duke@435 | 2091 | bool java_lang_ClassLoader::is_trusted_loader(oop loader) { |
duke@435 | 2092 | // Fix for 4474172; see evaluation for more details |
duke@435 | 2093 | loader = non_reflection_class_loader(loader); |
duke@435 | 2094 | |
duke@435 | 2095 | oop cl = SystemDictionary::java_system_loader(); |
duke@435 | 2096 | while(cl != NULL) { |
duke@435 | 2097 | if (cl == loader) return true; |
duke@435 | 2098 | cl = parent(cl); |
duke@435 | 2099 | } |
duke@435 | 2100 | return false; |
duke@435 | 2101 | } |
duke@435 | 2102 | |
duke@435 | 2103 | oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) { |
duke@435 | 2104 | if (loader != NULL) { |
duke@435 | 2105 | // See whether this is one of the class loaders associated with |
duke@435 | 2106 | // the generated bytecodes for reflection, and if so, "magically" |
duke@435 | 2107 | // delegate to its parent to prevent class loading from occurring |
duke@435 | 2108 | // in places where applications using reflection didn't expect it. |
duke@435 | 2109 | klassOop delegating_cl_class = SystemDictionary::reflect_delegating_classloader_klass(); |
duke@435 | 2110 | // This might be null in non-1.4 JDKs |
duke@435 | 2111 | if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) { |
duke@435 | 2112 | return parent(loader); |
duke@435 | 2113 | } |
duke@435 | 2114 | } |
duke@435 | 2115 | return loader; |
duke@435 | 2116 | } |
duke@435 | 2117 | |
duke@435 | 2118 | |
duke@435 | 2119 | // Support for java_lang_System |
duke@435 | 2120 | |
duke@435 | 2121 | void java_lang_System::compute_offsets() { |
duke@435 | 2122 | assert(offset_of_static_fields == 0, "offsets should be initialized only once"); |
duke@435 | 2123 | |
duke@435 | 2124 | instanceKlass* ik = instanceKlass::cast(SystemDictionary::system_klass()); |
duke@435 | 2125 | offset_of_static_fields = ik->offset_of_static_fields(); |
duke@435 | 2126 | } |
duke@435 | 2127 | |
duke@435 | 2128 | int java_lang_System::in_offset_in_bytes() { |
duke@435 | 2129 | return (offset_of_static_fields + static_in_offset); |
duke@435 | 2130 | } |
duke@435 | 2131 | |
duke@435 | 2132 | |
duke@435 | 2133 | int java_lang_System::out_offset_in_bytes() { |
duke@435 | 2134 | return (offset_of_static_fields + static_out_offset); |
duke@435 | 2135 | } |
duke@435 | 2136 | |
duke@435 | 2137 | |
duke@435 | 2138 | int java_lang_System::err_offset_in_bytes() { |
duke@435 | 2139 | return (offset_of_static_fields + static_err_offset); |
duke@435 | 2140 | } |
duke@435 | 2141 | |
duke@435 | 2142 | |
duke@435 | 2143 | |
duke@435 | 2144 | int java_lang_String::value_offset; |
duke@435 | 2145 | int java_lang_String::offset_offset; |
duke@435 | 2146 | int java_lang_String::count_offset; |
duke@435 | 2147 | int java_lang_String::hash_offset; |
duke@435 | 2148 | int java_lang_Class::klass_offset; |
duke@435 | 2149 | int java_lang_Class::array_klass_offset; |
duke@435 | 2150 | int java_lang_Class::resolved_constructor_offset; |
duke@435 | 2151 | int java_lang_Class::number_of_fake_oop_fields; |
duke@435 | 2152 | int java_lang_Throwable::backtrace_offset; |
duke@435 | 2153 | int java_lang_Throwable::detailMessage_offset; |
duke@435 | 2154 | int java_lang_Throwable::cause_offset; |
duke@435 | 2155 | int java_lang_Throwable::stackTrace_offset; |
duke@435 | 2156 | int java_lang_reflect_AccessibleObject::override_offset; |
duke@435 | 2157 | int java_lang_reflect_Method::clazz_offset; |
duke@435 | 2158 | int java_lang_reflect_Method::name_offset; |
duke@435 | 2159 | int java_lang_reflect_Method::returnType_offset; |
duke@435 | 2160 | int java_lang_reflect_Method::parameterTypes_offset; |
duke@435 | 2161 | int java_lang_reflect_Method::exceptionTypes_offset; |
duke@435 | 2162 | int java_lang_reflect_Method::slot_offset; |
duke@435 | 2163 | int java_lang_reflect_Method::modifiers_offset; |
duke@435 | 2164 | int java_lang_reflect_Method::signature_offset; |
duke@435 | 2165 | int java_lang_reflect_Method::annotations_offset; |
duke@435 | 2166 | int java_lang_reflect_Method::parameter_annotations_offset; |
duke@435 | 2167 | int java_lang_reflect_Method::annotation_default_offset; |
duke@435 | 2168 | int java_lang_reflect_Constructor::clazz_offset; |
duke@435 | 2169 | int java_lang_reflect_Constructor::parameterTypes_offset; |
duke@435 | 2170 | int java_lang_reflect_Constructor::exceptionTypes_offset; |
duke@435 | 2171 | int java_lang_reflect_Constructor::slot_offset; |
duke@435 | 2172 | int java_lang_reflect_Constructor::modifiers_offset; |
duke@435 | 2173 | int java_lang_reflect_Constructor::signature_offset; |
duke@435 | 2174 | int java_lang_reflect_Constructor::annotations_offset; |
duke@435 | 2175 | int java_lang_reflect_Constructor::parameter_annotations_offset; |
duke@435 | 2176 | int java_lang_reflect_Field::clazz_offset; |
duke@435 | 2177 | int java_lang_reflect_Field::name_offset; |
duke@435 | 2178 | int java_lang_reflect_Field::type_offset; |
duke@435 | 2179 | int java_lang_reflect_Field::slot_offset; |
duke@435 | 2180 | int java_lang_reflect_Field::modifiers_offset; |
duke@435 | 2181 | int java_lang_reflect_Field::signature_offset; |
duke@435 | 2182 | int java_lang_reflect_Field::annotations_offset; |
duke@435 | 2183 | int java_lang_boxing_object::value_offset; |
kvn@600 | 2184 | int java_lang_boxing_object::long_value_offset; |
duke@435 | 2185 | int java_lang_ref_Reference::referent_offset; |
duke@435 | 2186 | int java_lang_ref_Reference::queue_offset; |
duke@435 | 2187 | int java_lang_ref_Reference::next_offset; |
duke@435 | 2188 | int java_lang_ref_Reference::discovered_offset; |
duke@435 | 2189 | int java_lang_ref_Reference::static_lock_offset; |
duke@435 | 2190 | int java_lang_ref_Reference::static_pending_offset; |
duke@435 | 2191 | int java_lang_ref_Reference::number_of_fake_oop_fields; |
duke@435 | 2192 | int java_lang_ref_SoftReference::timestamp_offset; |
duke@435 | 2193 | int java_lang_ref_SoftReference::static_clock_offset; |
duke@435 | 2194 | int java_lang_ClassLoader::parent_offset; |
duke@435 | 2195 | int java_lang_System::offset_of_static_fields; |
duke@435 | 2196 | int java_lang_System::static_in_offset; |
duke@435 | 2197 | int java_lang_System::static_out_offset; |
duke@435 | 2198 | int java_lang_System::static_err_offset; |
duke@435 | 2199 | int java_lang_StackTraceElement::declaringClass_offset; |
duke@435 | 2200 | int java_lang_StackTraceElement::methodName_offset; |
duke@435 | 2201 | int java_lang_StackTraceElement::fileName_offset; |
duke@435 | 2202 | int java_lang_StackTraceElement::lineNumber_offset; |
duke@435 | 2203 | int java_lang_AssertionStatusDirectives::classes_offset; |
duke@435 | 2204 | int java_lang_AssertionStatusDirectives::classEnabled_offset; |
duke@435 | 2205 | int java_lang_AssertionStatusDirectives::packages_offset; |
duke@435 | 2206 | int java_lang_AssertionStatusDirectives::packageEnabled_offset; |
duke@435 | 2207 | int java_lang_AssertionStatusDirectives::deflt_offset; |
duke@435 | 2208 | int java_nio_Buffer::_limit_offset; |
duke@435 | 2209 | int sun_misc_AtomicLongCSImpl::_value_offset; |
duke@435 | 2210 | int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; |
duke@435 | 2211 | int sun_reflect_ConstantPool::_cp_oop_offset; |
duke@435 | 2212 | int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; |
duke@435 | 2213 | |
duke@435 | 2214 | |
duke@435 | 2215 | // Support for java_lang_StackTraceElement |
duke@435 | 2216 | |
duke@435 | 2217 | void java_lang_StackTraceElement::set_fileName(oop element, oop value) { |
duke@435 | 2218 | element->obj_field_put(fileName_offset, value); |
duke@435 | 2219 | } |
duke@435 | 2220 | |
duke@435 | 2221 | void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) { |
duke@435 | 2222 | element->obj_field_put(declaringClass_offset, value); |
duke@435 | 2223 | } |
duke@435 | 2224 | |
duke@435 | 2225 | void java_lang_StackTraceElement::set_methodName(oop element, oop value) { |
duke@435 | 2226 | element->obj_field_put(methodName_offset, value); |
duke@435 | 2227 | } |
duke@435 | 2228 | |
duke@435 | 2229 | void java_lang_StackTraceElement::set_lineNumber(oop element, int value) { |
duke@435 | 2230 | element->int_field_put(lineNumber_offset, value); |
duke@435 | 2231 | } |
duke@435 | 2232 | |
duke@435 | 2233 | |
duke@435 | 2234 | // Support for java Assertions - java_lang_AssertionStatusDirectives. |
duke@435 | 2235 | |
duke@435 | 2236 | void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) { |
duke@435 | 2237 | o->obj_field_put(classes_offset, val); |
duke@435 | 2238 | } |
duke@435 | 2239 | |
duke@435 | 2240 | void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) { |
duke@435 | 2241 | o->obj_field_put(classEnabled_offset, val); |
duke@435 | 2242 | } |
duke@435 | 2243 | |
duke@435 | 2244 | void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) { |
duke@435 | 2245 | o->obj_field_put(packages_offset, val); |
duke@435 | 2246 | } |
duke@435 | 2247 | |
duke@435 | 2248 | void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) { |
duke@435 | 2249 | o->obj_field_put(packageEnabled_offset, val); |
duke@435 | 2250 | } |
duke@435 | 2251 | |
duke@435 | 2252 | void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) { |
duke@435 | 2253 | o->bool_field_put(deflt_offset, val); |
duke@435 | 2254 | } |
duke@435 | 2255 | |
duke@435 | 2256 | |
duke@435 | 2257 | // Support for intrinsification of java.nio.Buffer.checkIndex |
duke@435 | 2258 | int java_nio_Buffer::limit_offset() { |
duke@435 | 2259 | return _limit_offset; |
duke@435 | 2260 | } |
duke@435 | 2261 | |
duke@435 | 2262 | |
duke@435 | 2263 | void java_nio_Buffer::compute_offsets() { |
duke@435 | 2264 | klassOop k = SystemDictionary::java_nio_Buffer_klass(); |
jrose@567 | 2265 | assert(k != NULL, "must be loaded in 1.4+"); |
jrose@567 | 2266 | compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); |
duke@435 | 2267 | } |
duke@435 | 2268 | |
duke@435 | 2269 | // Support for intrinsification of sun.misc.AtomicLongCSImpl.attemptUpdate |
duke@435 | 2270 | int sun_misc_AtomicLongCSImpl::value_offset() { |
duke@435 | 2271 | assert(SystemDictionary::sun_misc_AtomicLongCSImpl_klass() != NULL, "can't call this"); |
duke@435 | 2272 | return _value_offset; |
duke@435 | 2273 | } |
duke@435 | 2274 | |
duke@435 | 2275 | |
duke@435 | 2276 | void sun_misc_AtomicLongCSImpl::compute_offsets() { |
duke@435 | 2277 | klassOop k = SystemDictionary::sun_misc_AtomicLongCSImpl_klass(); |
duke@435 | 2278 | // If this class is not present, its value field offset won't be referenced. |
duke@435 | 2279 | if (k != NULL) { |
jrose@567 | 2280 | compute_offset(_value_offset, k, vmSymbols::value_name(), vmSymbols::long_signature()); |
duke@435 | 2281 | } |
duke@435 | 2282 | } |
duke@435 | 2283 | |
duke@435 | 2284 | void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { |
duke@435 | 2285 | if (_owner_offset != 0) return; |
duke@435 | 2286 | |
duke@435 | 2287 | assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later"); |
duke@435 | 2288 | SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK); |
duke@435 | 2289 | klassOop k = SystemDictionary::abstract_ownable_synchronizer_klass(); |
jrose@567 | 2290 | compute_offset(_owner_offset, k, |
duke@435 | 2291 | vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature()); |
duke@435 | 2292 | } |
duke@435 | 2293 | |
duke@435 | 2294 | oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) { |
duke@435 | 2295 | assert(_owner_offset != 0, "Must be initialized"); |
duke@435 | 2296 | return obj->obj_field(_owner_offset); |
duke@435 | 2297 | } |
duke@435 | 2298 | |
duke@435 | 2299 | // Compute hard-coded offsets |
duke@435 | 2300 | // Invoked before SystemDictionary::initialize, so pre-loaded classes |
duke@435 | 2301 | // are not available to determine the offset_of_static_fields. |
duke@435 | 2302 | void JavaClasses::compute_hard_coded_offsets() { |
coleenp@548 | 2303 | const int x = heapOopSize; |
kvn@600 | 2304 | const int header = instanceOopDesc::base_offset_in_bytes(); |
duke@435 | 2305 | |
duke@435 | 2306 | // Do the String Class |
duke@435 | 2307 | java_lang_String::value_offset = java_lang_String::hc_value_offset * x + header; |
duke@435 | 2308 | java_lang_String::offset_offset = java_lang_String::hc_offset_offset * x + header; |
duke@435 | 2309 | java_lang_String::count_offset = java_lang_String::offset_offset + sizeof (jint); |
duke@435 | 2310 | java_lang_String::hash_offset = java_lang_String::count_offset + sizeof (jint); |
duke@435 | 2311 | |
duke@435 | 2312 | // Do the Class Class |
duke@435 | 2313 | java_lang_Class::klass_offset = java_lang_Class::hc_klass_offset * x + header; |
duke@435 | 2314 | java_lang_Class::array_klass_offset = java_lang_Class::hc_array_klass_offset * x + header; |
duke@435 | 2315 | java_lang_Class::resolved_constructor_offset = java_lang_Class::hc_resolved_constructor_offset * x + header; |
duke@435 | 2316 | |
duke@435 | 2317 | // This is NOT an offset |
duke@435 | 2318 | java_lang_Class::number_of_fake_oop_fields = java_lang_Class::hc_number_of_fake_oop_fields; |
duke@435 | 2319 | |
duke@435 | 2320 | // Throwable Class |
duke@435 | 2321 | java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header; |
duke@435 | 2322 | java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header; |
duke@435 | 2323 | java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header; |
duke@435 | 2324 | java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header; |
duke@435 | 2325 | |
duke@435 | 2326 | // java_lang_boxing_object |
kvn@600 | 2327 | java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header; |
kvn@600 | 2328 | java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong); |
duke@435 | 2329 | |
duke@435 | 2330 | // java_lang_ref_Reference: |
duke@435 | 2331 | java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header; |
duke@435 | 2332 | java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header; |
duke@435 | 2333 | java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header; |
duke@435 | 2334 | java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header; |
duke@435 | 2335 | java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x; |
duke@435 | 2336 | java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x; |
duke@435 | 2337 | // Artificial fields for java_lang_ref_Reference |
duke@435 | 2338 | // The first field is for the discovered field added in 1.4 |
duke@435 | 2339 | java_lang_ref_Reference::number_of_fake_oop_fields = 1; |
duke@435 | 2340 | |
duke@435 | 2341 | // java_lang_ref_SoftReference Class |
kvn@600 | 2342 | java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong); |
duke@435 | 2343 | // Don't multiply static fields because they are always in wordSize units |
duke@435 | 2344 | java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x; |
duke@435 | 2345 | |
duke@435 | 2346 | // java_lang_ClassLoader |
duke@435 | 2347 | java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header; |
duke@435 | 2348 | |
duke@435 | 2349 | // java_lang_System |
duke@435 | 2350 | java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x; |
duke@435 | 2351 | java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x; |
duke@435 | 2352 | java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x; |
duke@435 | 2353 | |
duke@435 | 2354 | // java_lang_StackTraceElement |
duke@435 | 2355 | java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header; |
duke@435 | 2356 | java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header; |
duke@435 | 2357 | java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header; |
duke@435 | 2358 | java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header; |
duke@435 | 2359 | java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header; |
duke@435 | 2360 | java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header; |
duke@435 | 2361 | java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header; |
duke@435 | 2362 | java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header; |
duke@435 | 2363 | java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header; |
duke@435 | 2364 | |
duke@435 | 2365 | } |
duke@435 | 2366 | |
duke@435 | 2367 | |
duke@435 | 2368 | // Compute non-hard-coded field offsets of all the classes in this file |
duke@435 | 2369 | void JavaClasses::compute_offsets() { |
duke@435 | 2370 | |
duke@435 | 2371 | java_lang_Class::compute_offsets(); |
duke@435 | 2372 | java_lang_System::compute_offsets(); |
duke@435 | 2373 | java_lang_Thread::compute_offsets(); |
duke@435 | 2374 | java_lang_ThreadGroup::compute_offsets(); |
duke@435 | 2375 | java_security_AccessControlContext::compute_offsets(); |
duke@435 | 2376 | // Initialize reflection classes. The layouts of these classes |
duke@435 | 2377 | // changed with the new reflection implementation in JDK 1.4, and |
duke@435 | 2378 | // since the Universe doesn't know what JDK version it is until this |
duke@435 | 2379 | // point we defer computation of these offsets until now. |
duke@435 | 2380 | java_lang_reflect_AccessibleObject::compute_offsets(); |
duke@435 | 2381 | java_lang_reflect_Method::compute_offsets(); |
duke@435 | 2382 | java_lang_reflect_Constructor::compute_offsets(); |
duke@435 | 2383 | java_lang_reflect_Field::compute_offsets(); |
duke@435 | 2384 | if (JDK_Version::is_gte_jdk14x_version()) { |
duke@435 | 2385 | java_nio_Buffer::compute_offsets(); |
duke@435 | 2386 | } |
duke@435 | 2387 | if (JDK_Version::is_gte_jdk15x_version()) { |
duke@435 | 2388 | sun_reflect_ConstantPool::compute_offsets(); |
duke@435 | 2389 | sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); |
duke@435 | 2390 | } |
duke@435 | 2391 | sun_misc_AtomicLongCSImpl::compute_offsets(); |
duke@435 | 2392 | } |
duke@435 | 2393 | |
duke@435 | 2394 | #ifndef PRODUCT |
duke@435 | 2395 | |
duke@435 | 2396 | // These functions exist to assert the validity of hard-coded field offsets to guard |
duke@435 | 2397 | // against changes in the class files |
duke@435 | 2398 | |
duke@435 | 2399 | bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { |
duke@435 | 2400 | EXCEPTION_MARK; |
duke@435 | 2401 | fieldDescriptor fd; |
duke@435 | 2402 | symbolHandle klass_sym = oopFactory::new_symbol_handle(klass_name, CATCH); |
duke@435 | 2403 | klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
duke@435 | 2404 | instanceKlassHandle h_klass (THREAD, k); |
duke@435 | 2405 | //instanceKlassHandle h_klass(klass); |
duke@435 | 2406 | symbolHandle f_name = oopFactory::new_symbol_handle(field_name, CATCH); |
duke@435 | 2407 | symbolHandle f_sig = oopFactory::new_symbol_handle(field_sig, CATCH); |
duke@435 | 2408 | if (!h_klass->find_local_field(f_name(), f_sig(), &fd)) { |
duke@435 | 2409 | tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name); |
duke@435 | 2410 | return false; |
duke@435 | 2411 | } |
duke@435 | 2412 | if (fd.is_static()) { |
duke@435 | 2413 | tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name); |
duke@435 | 2414 | return false; |
duke@435 | 2415 | } |
duke@435 | 2416 | if (fd.offset() == hardcoded_offset ) { |
duke@435 | 2417 | return true; |
duke@435 | 2418 | } else { |
duke@435 | 2419 | tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.", |
duke@435 | 2420 | klass_name, field_name, hardcoded_offset, fd.offset()); |
duke@435 | 2421 | return false; |
duke@435 | 2422 | } |
duke@435 | 2423 | } |
duke@435 | 2424 | |
duke@435 | 2425 | |
duke@435 | 2426 | bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { |
duke@435 | 2427 | EXCEPTION_MARK; |
duke@435 | 2428 | fieldDescriptor fd; |
duke@435 | 2429 | symbolHandle klass_sym = oopFactory::new_symbol_handle(klass_name, CATCH); |
duke@435 | 2430 | klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
duke@435 | 2431 | instanceKlassHandle h_klass (THREAD, k); |
duke@435 | 2432 | symbolHandle f_name = oopFactory::new_symbol_handle(field_name, CATCH); |
duke@435 | 2433 | symbolHandle f_sig = oopFactory::new_symbol_handle(field_sig, CATCH); |
duke@435 | 2434 | if (!h_klass->find_local_field(f_name(), f_sig(), &fd)) { |
duke@435 | 2435 | tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
duke@435 | 2436 | return false; |
duke@435 | 2437 | } |
duke@435 | 2438 | if (!fd.is_static()) { |
duke@435 | 2439 | tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name); |
duke@435 | 2440 | return false; |
duke@435 | 2441 | } |
duke@435 | 2442 | if (fd.offset() == hardcoded_offset + h_klass->offset_of_static_fields()) { |
duke@435 | 2443 | return true; |
duke@435 | 2444 | } else { |
duke@435 | 2445 | tty->print_cr("Offset of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_offset, fd.offset() - h_klass->offset_of_static_fields()); |
duke@435 | 2446 | return false; |
duke@435 | 2447 | } |
duke@435 | 2448 | } |
duke@435 | 2449 | |
duke@435 | 2450 | |
jrose@567 | 2451 | bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) { |
jrose@567 | 2452 | EXCEPTION_MARK; |
jrose@567 | 2453 | fieldDescriptor fd; |
jrose@567 | 2454 | symbolHandle klass_sym = oopFactory::new_symbol_handle(klass_name, CATCH); |
jrose@567 | 2455 | klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
jrose@567 | 2456 | instanceKlassHandle h_klass (THREAD, k); |
jrose@567 | 2457 | symbolHandle f_name = oopFactory::new_symbol_handle(field_name, CATCH); |
jrose@567 | 2458 | symbolHandle f_sig = oopFactory::new_symbol_handle(field_sig, CATCH); |
jrose@567 | 2459 | if (!h_klass->find_local_field(f_name(), f_sig(), &fd)) { |
jrose@567 | 2460 | tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
jrose@567 | 2461 | return false; |
jrose@567 | 2462 | } |
jrose@567 | 2463 | if (!fd.is_static() || !fd.has_initial_value()) { |
jrose@567 | 2464 | tty->print_cr("Static field %s.%s appears to be non-constant", klass_name, field_name); |
jrose@567 | 2465 | return false; |
jrose@567 | 2466 | } |
jrose@567 | 2467 | if (!fd.initial_value_tag().is_int()) { |
jrose@567 | 2468 | tty->print_cr("Static field %s.%s is not an int", klass_name, field_name); |
jrose@567 | 2469 | return false; |
jrose@567 | 2470 | } |
jrose@567 | 2471 | jint field_value = fd.int_initial_value(); |
jrose@567 | 2472 | if (field_value == hardcoded_constant) { |
jrose@567 | 2473 | return true; |
jrose@567 | 2474 | } else { |
jrose@567 | 2475 | tty->print_cr("Constant value of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_constant, field_value); |
jrose@567 | 2476 | return false; |
jrose@567 | 2477 | } |
jrose@567 | 2478 | } |
jrose@567 | 2479 | |
jrose@567 | 2480 | |
duke@435 | 2481 | // Check the hard-coded field offsets of all the classes in this file |
duke@435 | 2482 | |
duke@435 | 2483 | void JavaClasses::check_offsets() { |
duke@435 | 2484 | bool valid = true; |
duke@435 | 2485 | |
duke@435 | 2486 | #define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
duke@435 | 2487 | valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig) |
duke@435 | 2488 | |
kvn@600 | 2489 | #define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
kvn@600 | 2490 | valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig) |
kvn@600 | 2491 | |
duke@435 | 2492 | #define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
duke@435 | 2493 | valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig) |
duke@435 | 2494 | |
jrose@567 | 2495 | #define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \ |
jrose@567 | 2496 | valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig) |
jrose@567 | 2497 | |
duke@435 | 2498 | // java.lang.String |
duke@435 | 2499 | |
duke@435 | 2500 | CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C"); |
duke@435 | 2501 | CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I"); |
duke@435 | 2502 | CHECK_OFFSET("java/lang/String", java_lang_String, count, "I"); |
duke@435 | 2503 | CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I"); |
duke@435 | 2504 | |
duke@435 | 2505 | // java.lang.Class |
duke@435 | 2506 | |
duke@435 | 2507 | // Fake fields |
duke@435 | 2508 | // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked |
duke@435 | 2509 | // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked |
duke@435 | 2510 | // CHECK_OFFSET("java/lang/Class", java_lang_Class, resolved_constructor); // %%% this needs to be checked |
duke@435 | 2511 | |
duke@435 | 2512 | // java.lang.Throwable |
duke@435 | 2513 | |
duke@435 | 2514 | CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;"); |
duke@435 | 2515 | CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;"); |
duke@435 | 2516 | CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;"); |
duke@435 | 2517 | CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;"); |
duke@435 | 2518 | |
duke@435 | 2519 | // Boxed primitive objects (java_lang_boxing_object) |
duke@435 | 2520 | |
duke@435 | 2521 | CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z"); |
duke@435 | 2522 | CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C"); |
duke@435 | 2523 | CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F"); |
kvn@600 | 2524 | CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D"); |
duke@435 | 2525 | CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B"); |
duke@435 | 2526 | CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S"); |
duke@435 | 2527 | CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I"); |
kvn@600 | 2528 | CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J"); |
duke@435 | 2529 | |
duke@435 | 2530 | // java.lang.ClassLoader |
duke@435 | 2531 | |
duke@435 | 2532 | CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;"); |
duke@435 | 2533 | |
duke@435 | 2534 | // java.lang.System |
duke@435 | 2535 | |
duke@435 | 2536 | CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;"); |
duke@435 | 2537 | CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;"); |
duke@435 | 2538 | CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;"); |
duke@435 | 2539 | |
duke@435 | 2540 | // java.lang.StackTraceElement |
duke@435 | 2541 | |
duke@435 | 2542 | CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;"); |
duke@435 | 2543 | CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;"); |
duke@435 | 2544 | CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;"); |
duke@435 | 2545 | CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I"); |
duke@435 | 2546 | |
duke@435 | 2547 | // java.lang.ref.Reference |
duke@435 | 2548 | |
duke@435 | 2549 | CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;"); |
duke@435 | 2550 | CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;"); |
duke@435 | 2551 | CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;"); |
duke@435 | 2552 | // Fake field |
duke@435 | 2553 | //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;"); |
duke@435 | 2554 | CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;"); |
duke@435 | 2555 | CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;"); |
duke@435 | 2556 | |
duke@435 | 2557 | // java.lang.ref.SoftReference |
duke@435 | 2558 | |
duke@435 | 2559 | CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J"); |
duke@435 | 2560 | CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J"); |
duke@435 | 2561 | |
duke@435 | 2562 | // java.lang.AssertionStatusDirectives |
duke@435 | 2563 | // |
duke@435 | 2564 | // The CheckAssertionStatusDirectives boolean can be removed from here and |
duke@435 | 2565 | // globals.hpp after the AssertionStatusDirectives class has been integrated |
duke@435 | 2566 | // into merlin "for some time." Without it, the vm will fail with early |
duke@435 | 2567 | // merlin builds. |
duke@435 | 2568 | |
duke@435 | 2569 | if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) { |
duke@435 | 2570 | const char* nm = "java/lang/AssertionStatusDirectives"; |
duke@435 | 2571 | const char* sig = "[Ljava/lang/String;"; |
duke@435 | 2572 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig); |
duke@435 | 2573 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z"); |
duke@435 | 2574 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig); |
duke@435 | 2575 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z"); |
duke@435 | 2576 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z"); |
duke@435 | 2577 | } |
duke@435 | 2578 | |
duke@435 | 2579 | if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed"); |
duke@435 | 2580 | } |
duke@435 | 2581 | |
duke@435 | 2582 | #endif // PRODUCT |
duke@435 | 2583 | |
duke@435 | 2584 | void javaClasses_init() { |
duke@435 | 2585 | JavaClasses::compute_offsets(); |
duke@435 | 2586 | JavaClasses::check_offsets(); |
duke@435 | 2587 | FilteredFieldsMap::initialize(); // must be done after computing offsets. |
duke@435 | 2588 | } |