Mercurial > hg > truffle
annotate src/share/vm/classfile/javaClasses.cpp @ 11014:4b52137b07c9
Merge
| author | chegar |
|---|---|
| date | Wed, 01 May 2013 14:11:01 +0100 |
| parents | be131aa5a529 6337ca4dcad8 |
| children | 7ee0d5c53c78 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 6162 | 26 #include "classfile/altHashing.hpp" |
| 1972 | 27 #include "classfile/javaClasses.hpp" |
| 28 #include "classfile/symbolTable.hpp" | |
| 29 #include "classfile/vmSymbols.hpp" | |
| 30 #include "code/debugInfo.hpp" | |
| 31 #include "code/pcDesc.hpp" | |
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32 #include "compiler/compilerOracle.hpp" |
| 1972 | 33 #include "interpreter/interpreter.hpp" |
| 34 #include "memory/oopFactory.hpp" | |
| 35 #include "memory/resourceArea.hpp" | |
| 36 #include "memory/universe.inline.hpp" | |
| 3938 | 37 #include "oops/fieldStreams.hpp" |
| 1972 | 38 #include "oops/instanceKlass.hpp" |
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39 #include "oops/instanceMirrorKlass.hpp" |
| 1972 | 40 #include "oops/klass.hpp" |
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41 #include "oops/method.hpp" |
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42 #include "oops/symbol.hpp" |
| 1972 | 43 #include "oops/typeArrayOop.hpp" |
| 44 #include "runtime/fieldDescriptor.hpp" | |
| 45 #include "runtime/handles.inline.hpp" | |
| 46 #include "runtime/interfaceSupport.hpp" | |
| 47 #include "runtime/java.hpp" | |
| 48 #include "runtime/javaCalls.hpp" | |
| 49 #include "runtime/safepoint.hpp" | |
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50 #include "runtime/thread.inline.hpp" |
| 1972 | 51 #include "runtime/vframe.hpp" |
| 52 #include "utilities/preserveException.hpp" | |
| 0 | 53 |
| 3938 | 54 #define INJECTED_FIELD_COMPUTE_OFFSET(klass, name, signature, may_be_java) \ |
| 55 klass::_##name##_offset = JavaClasses::compute_injected_offset(JavaClasses::klass##_##name##_enum); | |
| 56 | |
| 57 #define DECLARE_INJECTED_FIELD(klass, name, signature, may_be_java) \ | |
| 58 { SystemDictionary::WK_KLASS_ENUM_NAME(klass), vmSymbols::VM_SYMBOL_ENUM_NAME(name##_name), vmSymbols::VM_SYMBOL_ENUM_NAME(signature), may_be_java }, | |
| 59 | |
| 60 InjectedField JavaClasses::_injected_fields[] = { | |
| 61 ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD) | |
| 62 }; | |
| 63 | |
| 64 int JavaClasses::compute_injected_offset(InjectedFieldID id) { | |
| 65 return _injected_fields[id].compute_offset(); | |
| 66 } | |
| 67 | |
| 68 | |
| 69 InjectedField* JavaClasses::get_injected(Symbol* class_name, int* field_count) { | |
| 70 *field_count = 0; | |
| 71 | |
| 72 vmSymbols::SID sid = vmSymbols::find_sid(class_name); | |
| 73 if (sid == vmSymbols::NO_SID) { | |
| 74 // Only well known classes can inject fields | |
| 75 return NULL; | |
| 76 } | |
| 77 | |
| 78 int count = 0; | |
| 79 int start = -1; | |
| 80 | |
| 81 #define LOOKUP_INJECTED_FIELD(klass, name, signature, may_be_java) \ | |
| 82 if (sid == vmSymbols::VM_SYMBOL_ENUM_NAME(klass)) { \ | |
| 83 count++; \ | |
| 84 if (start == -1) start = klass##_##name##_enum; \ | |
| 85 } | |
| 86 ALL_INJECTED_FIELDS(LOOKUP_INJECTED_FIELD); | |
| 87 #undef LOOKUP_INJECTED_FIELD | |
| 88 | |
| 89 if (start != -1) { | |
| 90 *field_count = count; | |
| 91 return _injected_fields + start; | |
| 92 } | |
| 93 return NULL; | |
| 94 } | |
| 95 | |
| 96 | |
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97 static bool find_field(InstanceKlass* ik, |
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98 Symbol* name_symbol, Symbol* signature_symbol, |
| 710 | 99 fieldDescriptor* fd, |
| 100 bool allow_super = false) { | |
| 101 if (allow_super) | |
| 102 return ik->find_field(name_symbol, signature_symbol, fd) != NULL; | |
| 103 else | |
| 104 return ik->find_local_field(name_symbol, signature_symbol, fd); | |
| 105 } | |
| 106 | |
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107 // Helpful routine for computing field offsets at run time rather than hardcoding them |
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108 static void |
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109 compute_offset(int &dest_offset, |
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110 Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
| 710 | 111 bool allow_super = false) { |
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112 fieldDescriptor fd; |
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113 InstanceKlass* ik = InstanceKlass::cast(klass_oop); |
| 710 | 114 if (!find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
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115 ResourceMark rm; |
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116 tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string()); |
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117 #ifndef PRODUCT |
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118 klass_oop->print(); |
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119 tty->print_cr("all fields:"); |
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120 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
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121 tty->print_cr(" name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int()); |
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122 } |
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123 #endif //PRODUCT |
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124 fatal("Invalid layout of preloaded class"); |
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125 } |
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126 dest_offset = fd.offset(); |
| 0 | 127 } |
| 128 | |
| 129 // Same as above but for "optional" offsets that might not be present in certain JDK versions | |
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130 static void |
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131 compute_optional_offset(int& dest_offset, |
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132 Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
| 710 | 133 bool allow_super = false) { |
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134 fieldDescriptor fd; |
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135 InstanceKlass* ik = InstanceKlass::cast(klass_oop); |
| 710 | 136 if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
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137 dest_offset = fd.offset(); |
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138 } |
| 0 | 139 } |
| 140 | |
| 710 | 141 |
| 6057 | 142 int java_lang_String::value_offset = 0; |
| 143 int java_lang_String::offset_offset = 0; | |
| 144 int java_lang_String::count_offset = 0; | |
| 145 int java_lang_String::hash_offset = 0; | |
| 146 | |
| 147 bool java_lang_String::initialized = false; | |
| 148 | |
| 149 void java_lang_String::compute_offsets() { | |
| 150 assert(!initialized, "offsets should be initialized only once"); | |
| 151 | |
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152 Klass* k = SystemDictionary::String_klass(); |
| 6057 | 153 compute_offset(value_offset, k, vmSymbols::value_name(), vmSymbols::char_array_signature()); |
| 154 compute_optional_offset(offset_offset, k, vmSymbols::offset_name(), vmSymbols::int_signature()); | |
| 155 compute_optional_offset(count_offset, k, vmSymbols::count_name(), vmSymbols::int_signature()); | |
| 156 compute_optional_offset(hash_offset, k, vmSymbols::hash_name(), vmSymbols::int_signature()); | |
| 157 | |
| 158 initialized = true; | |
| 159 } | |
| 160 | |
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161 Handle java_lang_String::basic_create(int length, TRAPS) { |
| 6057 | 162 assert(initialized, "Must be initialized"); |
| 0 | 163 // Create the String object first, so there's a chance that the String |
| 164 // and the char array it points to end up in the same cache line. | |
| 165 oop obj; | |
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166 obj = InstanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH); |
| 0 | 167 |
| 168 // Create the char array. The String object must be handlized here | |
| 169 // because GC can happen as a result of the allocation attempt. | |
| 170 Handle h_obj(THREAD, obj); | |
| 171 typeArrayOop buffer; | |
| 172 buffer = oopFactory::new_charArray(length, CHECK_NH); | |
| 173 | |
| 174 // Point the String at the char array | |
| 175 obj = h_obj(); | |
| 176 set_value(obj, buffer); | |
| 177 // No need to zero the offset, allocation zero'ed the entire String object | |
| 178 assert(offset(obj) == 0, "initial String offset should be zero"); | |
| 179 //set_offset(obj, 0); | |
| 180 set_count(obj, length); | |
| 181 | |
| 182 return h_obj; | |
| 183 } | |
| 184 | |
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185 Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) { |
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186 Handle h_obj = basic_create(length, CHECK_NH); |
| 0 | 187 typeArrayOop buffer = value(h_obj()); |
| 188 for (int index = 0; index < length; index++) { | |
| 189 buffer->char_at_put(index, unicode[index]); | |
| 190 } | |
| 191 return h_obj; | |
| 192 } | |
| 193 | |
| 194 oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) { | |
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195 Handle h_obj = create_from_unicode(unicode, length, CHECK_0); |
| 0 | 196 return h_obj(); |
| 197 } | |
| 198 | |
| 199 Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) { | |
| 200 if (utf8_str == NULL) { | |
| 201 return Handle(); | |
| 202 } | |
| 203 int length = UTF8::unicode_length(utf8_str); | |
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204 Handle h_obj = basic_create(length, CHECK_NH); |
| 0 | 205 if (length > 0) { |
| 206 UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length); | |
| 207 } | |
| 208 return h_obj; | |
| 209 } | |
| 210 | |
| 211 oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) { | |
| 212 Handle h_obj = create_from_str(utf8_str, CHECK_0); | |
| 213 return h_obj(); | |
| 214 } | |
| 215 | |
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216 Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) { |
| 0 | 217 int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length()); |
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218 Handle h_obj = basic_create(length, CHECK_NH); |
| 0 | 219 if (length > 0) { |
| 220 UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length); | |
| 221 } | |
| 222 return h_obj; | |
| 223 } | |
| 224 | |
| 225 // Converts a C string to a Java String based on current encoding | |
| 226 Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) { | |
| 227 assert(str != NULL, "bad arguments"); | |
| 228 | |
| 229 typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *); | |
| 230 static to_java_string_fn_t _to_java_string_fn = NULL; | |
| 231 | |
| 232 if (_to_java_string_fn == NULL) { | |
| 233 void *lib_handle = os::native_java_library(); | |
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234 _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform")); |
| 0 | 235 if (_to_java_string_fn == NULL) { |
| 236 fatal("NewStringPlatform missing"); | |
| 237 } | |
| 238 } | |
| 239 | |
| 240 jstring js = NULL; | |
| 241 { JavaThread* thread = (JavaThread*)THREAD; | |
| 242 assert(thread->is_Java_thread(), "must be java thread"); | |
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243 HandleMark hm(thread); |
| 0 | 244 ThreadToNativeFromVM ttn(thread); |
| 245 js = (_to_java_string_fn)(thread->jni_environment(), str); | |
| 246 } | |
| 247 return Handle(THREAD, JNIHandles::resolve(js)); | |
| 248 } | |
| 249 | |
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250 // Converts a Java String to a native C string that can be used for |
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251 // native OS calls. |
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252 char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) { |
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253 |
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254 typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*); |
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255 static to_platform_string_fn_t _to_platform_string_fn = NULL; |
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256 |
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257 if (_to_platform_string_fn == NULL) { |
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258 void *lib_handle = os::native_java_library(); |
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259 _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars")); |
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260 if (_to_platform_string_fn == NULL) { |
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261 fatal("GetStringPlatformChars missing"); |
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262 } |
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263 } |
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264 |
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265 char *native_platform_string; |
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266 { JavaThread* thread = (JavaThread*)THREAD; |
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267 assert(thread->is_Java_thread(), "must be java thread"); |
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268 JNIEnv *env = thread->jni_environment(); |
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269 jstring js = (jstring) JNIHandles::make_local(env, java_string()); |
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270 bool is_copy; |
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271 HandleMark hm(thread); |
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272 ThreadToNativeFromVM ttn(thread); |
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273 native_platform_string = (_to_platform_string_fn)(env, js, &is_copy); |
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274 assert(is_copy == JNI_TRUE, "is_copy value changed"); |
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275 JNIHandles::destroy_local(js); |
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276 } |
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277 return native_platform_string; |
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278 } |
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279 |
| 0 | 280 Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) { |
| 281 oop obj = java_string(); | |
| 282 // Typical usage is to convert all '/' to '.' in string. | |
| 283 typeArrayOop value = java_lang_String::value(obj); | |
| 284 int offset = java_lang_String::offset(obj); | |
| 285 int length = java_lang_String::length(obj); | |
| 286 | |
| 287 // First check if any from_char exist | |
| 288 int index; // Declared outside, used later | |
| 289 for (index = 0; index < length; index++) { | |
| 290 if (value->char_at(index + offset) == from_char) { | |
| 291 break; | |
| 292 } | |
| 293 } | |
| 294 if (index == length) { | |
| 295 // No from_char, so do not copy. | |
| 296 return java_string; | |
| 297 } | |
| 298 | |
| 299 // Create new UNICODE buffer. Must handlize value because GC | |
| 300 // may happen during String and char array creation. | |
| 301 typeArrayHandle h_value(THREAD, value); | |
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302 Handle string = basic_create(length, CHECK_NH); |
| 0 | 303 |
| 304 typeArrayOop from_buffer = h_value(); | |
| 305 typeArrayOop to_buffer = java_lang_String::value(string()); | |
| 306 | |
| 307 // Copy contents | |
| 308 for (index = 0; index < length; index++) { | |
| 309 jchar c = from_buffer->char_at(index + offset); | |
| 310 if (c == from_char) { | |
| 311 c = to_char; | |
| 312 } | |
| 313 to_buffer->char_at_put(index, c); | |
| 314 } | |
| 315 return string; | |
| 316 } | |
| 317 | |
| 318 jchar* java_lang_String::as_unicode_string(oop java_string, int& length) { | |
| 319 typeArrayOop value = java_lang_String::value(java_string); | |
| 320 int offset = java_lang_String::offset(java_string); | |
| 321 length = java_lang_String::length(java_string); | |
| 322 | |
| 323 jchar* result = NEW_RESOURCE_ARRAY(jchar, length); | |
| 324 for (int index = 0; index < length; index++) { | |
| 325 result[index] = value->char_at(index + offset); | |
| 326 } | |
| 327 return result; | |
| 328 } | |
| 329 | |
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330 unsigned int java_lang_String::hash_code(oop java_string) { |
| 6162 | 331 int length = java_lang_String::length(java_string); |
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332 // Zero length string will hash to zero with String.hashCode() function. |
| 6162 | 333 if (length == 0) return 0; |
| 334 | |
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335 typeArrayOop value = java_lang_String::value(java_string); |
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336 int offset = java_lang_String::offset(java_string); |
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337 return java_lang_String::hash_code(value->char_at_addr(offset), length); |
| 6162 | 338 } |
| 339 | |
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340 char* java_lang_String::as_quoted_ascii(oop java_string) { |
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341 typeArrayOop value = java_lang_String::value(java_string); |
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342 int offset = java_lang_String::offset(java_string); |
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343 int length = java_lang_String::length(java_string); |
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344 |
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345 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
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346 if (base == NULL) return NULL; |
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347 |
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348 int result_length = UNICODE::quoted_ascii_length(base, length) + 1; |
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349 char* result = NEW_RESOURCE_ARRAY(char, result_length); |
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350 UNICODE::as_quoted_ascii(base, length, result, result_length); |
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351 assert(result_length >= length + 1, "must not be shorter"); |
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352 assert(result_length == (int)strlen(result) + 1, "must match"); |
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353 return result; |
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354 } |
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355 |
| 6162 | 356 unsigned int java_lang_String::hash_string(oop java_string) { |
|
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357 int length = java_lang_String::length(java_string); |
| 6162 | 358 // Zero length string doesn't hash necessarily hash to zero. |
| 359 if (length == 0) { | |
| 360 return StringTable::hash_string(NULL, 0); | |
| 361 } | |
| 362 | |
| 363 typeArrayOop value = java_lang_String::value(java_string); | |
| 364 int offset = java_lang_String::offset(java_string); | |
| 365 return StringTable::hash_string(value->char_at_addr(offset), length); | |
|
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366 } |
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367 |
|
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368 Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) { |
| 0 | 369 oop obj = java_string(); |
| 370 typeArrayOop value = java_lang_String::value(obj); | |
| 371 int offset = java_lang_String::offset(obj); | |
| 372 int length = java_lang_String::length(obj); | |
|
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373 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
|
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374 Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD); |
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375 return sym; |
| 0 | 376 } |
| 377 | |
|
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378 Symbol* java_lang_String::as_symbol_or_null(oop java_string) { |
|
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379 typeArrayOop value = java_lang_String::value(java_string); |
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380 int offset = java_lang_String::offset(java_string); |
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381 int length = java_lang_String::length(java_string); |
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382 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
|
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383 return SymbolTable::probe_unicode(base, length); |
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384 } |
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385 |
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386 |
| 0 | 387 int java_lang_String::utf8_length(oop java_string) { |
| 388 typeArrayOop value = java_lang_String::value(java_string); | |
| 389 int offset = java_lang_String::offset(java_string); | |
| 390 int length = java_lang_String::length(java_string); | |
| 391 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
| 392 return UNICODE::utf8_length(position, length); | |
| 393 } | |
| 394 | |
| 395 char* java_lang_String::as_utf8_string(oop java_string) { | |
| 396 typeArrayOop value = java_lang_String::value(java_string); | |
| 397 int offset = java_lang_String::offset(java_string); | |
| 398 int length = java_lang_String::length(java_string); | |
| 399 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
| 400 return UNICODE::as_utf8(position, length); | |
| 401 } | |
| 402 | |
|
1989
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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|
403 char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) { |
|
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
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|
404 typeArrayOop value = java_lang_String::value(java_string); |
|
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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|
405 int offset = java_lang_String::offset(java_string); |
|
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|
406 int length = java_lang_String::length(java_string); |
|
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|
407 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
|
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|
408 return UNICODE::as_utf8(position, length, buf, buflen); |
|
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|
409 } |
|
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diff
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|
410 |
| 0 | 411 char* java_lang_String::as_utf8_string(oop java_string, int start, int len) { |
| 412 typeArrayOop value = java_lang_String::value(java_string); | |
| 413 int offset = java_lang_String::offset(java_string); | |
| 414 int length = java_lang_String::length(java_string); | |
| 415 assert(start + len <= length, "just checking"); | |
| 416 jchar* position = value->char_at_addr(offset + start); | |
| 417 return UNICODE::as_utf8(position, len); | |
| 418 } | |
| 419 | |
| 420 bool java_lang_String::equals(oop java_string, jchar* chars, int len) { | |
| 6867 | 421 assert(java_string->klass() == SystemDictionary::String_klass(), |
| 0 | 422 "must be java_string"); |
| 423 typeArrayOop value = java_lang_String::value(java_string); | |
| 424 int offset = java_lang_String::offset(java_string); | |
| 425 int length = java_lang_String::length(java_string); | |
| 426 if (length != len) { | |
| 427 return false; | |
| 428 } | |
| 429 for (int i = 0; i < len; i++) { | |
| 430 if (value->char_at(i + offset) != chars[i]) { | |
| 431 return false; | |
| 432 } | |
| 433 } | |
| 434 return true; | |
| 435 } | |
| 436 | |
| 437 void java_lang_String::print(Handle java_string, outputStream* st) { | |
| 438 oop obj = java_string(); | |
| 1142 | 439 assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string"); |
| 0 | 440 typeArrayOop value = java_lang_String::value(obj); |
| 441 int offset = java_lang_String::offset(obj); | |
| 442 int length = java_lang_String::length(obj); | |
| 443 | |
| 444 int end = MIN2(length, 100); | |
| 445 if (value == NULL) { | |
| 446 // This can happen if, e.g., printing a String | |
| 447 // object before its initializer has been called | |
| 448 st->print_cr("NULL"); | |
| 449 } else { | |
| 450 st->print("\""); | |
| 451 for (int index = 0; index < length; index++) { | |
| 452 st->print("%c", value->char_at(index + offset)); | |
| 453 } | |
| 454 st->print("\""); | |
| 455 } | |
| 456 } | |
| 457 | |
|
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|
458 static void initialize_static_field(fieldDescriptor* fd, TRAPS) { |
|
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|
459 Handle mirror (THREAD, fd->field_holder()->java_mirror()); |
|
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460 assert(mirror.not_null() && fd->is_static(), "just checking"); |
|
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461 if (fd->has_initial_value()) { |
|
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462 BasicType t = fd->field_type(); |
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463 switch (t) { |
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464 case T_BYTE: |
|
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|
465 mirror()->byte_field_put(fd->offset(), fd->int_initial_value()); |
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466 break; |
|
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|
467 case T_BOOLEAN: |
|
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468 mirror()->bool_field_put(fd->offset(), fd->int_initial_value()); |
|
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469 break; |
|
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|
470 case T_CHAR: |
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471 mirror()->char_field_put(fd->offset(), fd->int_initial_value()); |
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472 break; |
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|
473 case T_SHORT: |
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|
474 mirror()->short_field_put(fd->offset(), fd->int_initial_value()); |
|
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475 break; |
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|
476 case T_INT: |
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|
477 mirror()->int_field_put(fd->offset(), fd->int_initial_value()); |
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478 break; |
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|
479 case T_FLOAT: |
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480 mirror()->float_field_put(fd->offset(), fd->float_initial_value()); |
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481 break; |
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|
482 case T_DOUBLE: |
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483 mirror()->double_field_put(fd->offset(), fd->double_initial_value()); |
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|
484 break; |
|
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|
485 case T_LONG: |
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486 mirror()->long_field_put(fd->offset(), fd->long_initial_value()); |
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|
487 break; |
|
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|
488 case T_OBJECT: |
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489 { |
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490 #ifdef ASSERT |
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491 TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK); |
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492 assert(fd->signature() == sym, "just checking"); |
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493 #endif |
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494 oop string = fd->string_initial_value(CHECK); |
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495 mirror()->obj_field_put(fd->offset(), string); |
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496 } |
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497 break; |
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498 default: |
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499 THROW_MSG(vmSymbols::java_lang_ClassFormatError(), |
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500 "Illegal ConstantValue attribute in class file"); |
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501 } |
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502 } |
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503 } |
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504 |
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505 |
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506 void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) { |
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507 assert(InstanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already"); |
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508 |
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509 // If the offset was read from the shared archive, it was fixed up already |
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510 if (!k->is_shared()) { |
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511 if (k->oop_is_instance()) { |
| 3938 | 512 // During bootstrap, java.lang.Class wasn't loaded so static field |
| 513 // offsets were computed without the size added it. Go back and | |
| 514 // update all the static field offsets to included the size. | |
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515 for (JavaFieldStream fs(InstanceKlass::cast(k())); !fs.done(); fs.next()) { |
| 3938 | 516 if (fs.access_flags().is_static()) { |
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517 int real_offset = fs.offset() + InstanceMirrorKlass::offset_of_static_fields(); |
| 3938 | 518 fs.set_offset(real_offset); |
| 519 } | |
| 520 } | |
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521 } |
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522 } |
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523 create_mirror(k, CHECK); |
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524 } |
| 0 | 525 |
| 526 oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) { | |
| 527 assert(k->java_mirror() == NULL, "should only assign mirror once"); | |
| 528 // Use this moment of initialization to cache modifier_flags also, | |
| 529 // to support Class.getModifiers(). Instance classes recalculate | |
| 530 // the cached flags after the class file is parsed, but before the | |
| 531 // class is put into the system dictionary. | |
| 532 int computed_modifiers = k->compute_modifier_flags(CHECK_0); | |
| 533 k->set_modifier_flags(computed_modifiers); | |
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534 // Class_klass has to be loaded because it is used to allocate |
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535 // the mirror. |
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536 if (SystemDictionary::Class_klass_loaded()) { |
| 0 | 537 // Allocate mirror (java.lang.Class instance) |
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538 Handle mirror = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0); |
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539 |
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540 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass()); |
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541 java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror())); |
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542 |
| 0 | 543 // It might also have a component mirror. This mirror must already exist. |
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544 if (k->oop_is_array()) { |
| 0 | 545 Handle comp_mirror; |
| 546 if (k->oop_is_typeArray()) { | |
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547 BasicType type = TypeArrayKlass::cast(k())->element_type(); |
| 0 | 548 comp_mirror = Universe::java_mirror(type); |
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549 } else { |
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550 assert(k->oop_is_objArray(), "Must be"); |
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551 Klass* element_klass = ObjArrayKlass::cast(k())->element_klass(); |
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552 assert(element_klass != NULL, "Must have an element klass"); |
| 6983 | 553 comp_mirror = element_klass->java_mirror(); |
| 0 | 554 } |
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555 assert(comp_mirror.not_null(), "must have a mirror"); |
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556 |
| 0 | 557 // Two-way link between the array klass and its component mirror: |
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558 ArrayKlass::cast(k())->set_component_mirror(comp_mirror()); |
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559 set_array_klass(comp_mirror(), k()); |
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560 } else { |
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561 assert(k->oop_is_instance(), "Must be"); |
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562 // Initialize static fields |
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563 InstanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL); |
| 0 | 564 } |
| 565 return mirror(); | |
| 566 } else { | |
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567 if (fixup_mirror_list() == NULL) { |
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568 GrowableArray<Klass*>* list = |
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569 new (ResourceObj::C_HEAP, mtClass) GrowableArray<Klass*>(40, true); |
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570 set_fixup_mirror_list(list); |
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571 } |
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572 fixup_mirror_list()->push(k()); |
| 0 | 573 return NULL; |
| 574 } | |
| 575 } | |
| 576 | |
| 577 | |
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578 |
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579 int java_lang_Class::oop_size(oop java_class) { |
| 3938 | 580 assert(_oop_size_offset != 0, "must be set"); |
| 581 return java_class->int_field(_oop_size_offset); | |
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582 } |
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583 void java_lang_Class::set_oop_size(oop java_class, int size) { |
| 3938 | 584 assert(_oop_size_offset != 0, "must be set"); |
| 585 java_class->int_field_put(_oop_size_offset, size); | |
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586 } |
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587 int java_lang_Class::static_oop_field_count(oop java_class) { |
| 3938 | 588 assert(_static_oop_field_count_offset != 0, "must be set"); |
| 589 return java_class->int_field(_static_oop_field_count_offset); | |
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590 } |
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591 void java_lang_Class::set_static_oop_field_count(oop java_class, int size) { |
| 3938 | 592 assert(_static_oop_field_count_offset != 0, "must be set"); |
| 593 java_class->int_field_put(_static_oop_field_count_offset, size); | |
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594 } |
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595 |
| 0 | 596 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) { |
| 597 // This should be improved by adding a field at the Java level or by | |
| 598 // introducing a new VM klass (see comment in ClassFileParser) | |
|
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599 oop java_class = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(NULL, CHECK_0); |
| 0 | 600 if (type != T_VOID) { |
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601 Klass* aklass = Universe::typeArrayKlassObj(type); |
| 0 | 602 assert(aklass != NULL, "correct bootstrap"); |
| 603 set_array_klass(java_class, aklass); | |
| 604 } | |
| 4009 | 605 #ifdef ASSERT |
|
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606 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(SystemDictionary::Class_klass()); |
| 4009 | 607 assert(java_lang_Class::static_oop_field_count(java_class) == 0, "should have been zeroed by allocation"); |
| 608 #endif | |
| 0 | 609 return java_class; |
| 610 } | |
| 611 | |
| 612 | |
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613 Klass* java_lang_Class::as_Klass(oop java_class) { |
| 0 | 614 //%note memory_2 |
|
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615 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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616 Klass* k = ((Klass*)java_class->metadata_field(_klass_offset)); |
| 0 | 617 assert(k == NULL || k->is_klass(), "type check"); |
| 618 return k; | |
| 619 } | |
| 620 | |
| 621 | |
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622 void java_lang_Class::set_klass(oop java_class, Klass* klass) { |
| 4009 | 623 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
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624 java_class->metadata_field_put(_klass_offset, klass); |
| 4009 | 625 } |
| 626 | |
| 627 | |
|
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628 void java_lang_Class::print_signature(oop java_class, outputStream* st) { |
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629 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
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630 Symbol* name = NULL; |
|
665
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631 bool is_instance = false; |
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632 if (is_primitive(java_class)) { |
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633 name = vmSymbols::type_signature(primitive_type(java_class)); |
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634 } else { |
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635 Klass* k = as_Klass(java_class); |
| 6983 | 636 is_instance = k->oop_is_instance(); |
| 637 name = k->name(); | |
|
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638 } |
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639 if (name == NULL) { |
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640 st->print("<null>"); |
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641 return; |
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642 } |
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643 if (is_instance) st->print("L"); |
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644 st->write((char*) name->base(), (int) name->utf8_length()); |
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645 if (is_instance) st->print(";"); |
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646 } |
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647 |
|
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648 Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) { |
|
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649 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
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650 Symbol* name; |
|
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651 if (is_primitive(java_class)) { |
|
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652 name = vmSymbols::type_signature(primitive_type(java_class)); |
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653 // Because this can create a new symbol, the caller has to decrement |
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654 // the refcount, so make adjustment here and below for symbols returned |
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655 // that are not created or incremented due to a successful lookup. |
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656 name->increment_refcount(); |
|
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657 } else { |
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658 Klass* k = as_Klass(java_class); |
| 6983 | 659 if (!k->oop_is_instance()) { |
| 660 name = k->name(); | |
|
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661 name->increment_refcount(); |
|
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662 } else { |
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663 ResourceMark rm; |
| 6983 | 664 const char* sigstr = k->signature_name(); |
|
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665 int siglen = (int) strlen(sigstr); |
|
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666 if (!intern_if_not_found) { |
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667 name = SymbolTable::probe(sigstr, siglen); |
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668 } else { |
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669 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
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670 } |
|
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671 } |
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672 } |
|
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673 return name; |
|
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674 } |
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675 |
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676 |
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677 Klass* java_lang_Class::array_klass(oop java_class) { |
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678 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
| 6983 | 679 assert(k == NULL || k->is_klass() && k->oop_is_array(), "should be array klass"); |
| 0 | 680 return k; |
| 681 } | |
| 682 | |
| 683 | |
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684 void java_lang_Class::set_array_klass(oop java_class, Klass* klass) { |
| 6983 | 685 assert(klass->is_klass() && klass->oop_is_array(), "should be array klass"); |
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686 java_class->metadata_field_put(_array_klass_offset, klass); |
| 0 | 687 } |
| 688 | |
| 689 | |
| 690 bool java_lang_Class::is_primitive(oop java_class) { | |
|
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691 // should assert: |
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692 //assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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693 bool is_primitive = (java_class->metadata_field(_klass_offset) == NULL); |
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694 |
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695 #ifdef ASSERT |
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696 if (is_primitive) { |
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697 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
|
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698 assert(k == NULL || is_java_primitive(ArrayKlass::cast(k)->element_type()), |
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699 "Should be either the T_VOID primitive or a java primitive"); |
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700 } |
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701 #endif |
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702 |
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703 return is_primitive; |
| 0 | 704 } |
| 705 | |
| 706 | |
| 707 BasicType java_lang_Class::primitive_type(oop java_class) { | |
| 708 assert(java_lang_Class::is_primitive(java_class), "just checking"); | |
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709 Klass* ak = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
| 0 | 710 BasicType type = T_VOID; |
| 711 if (ak != NULL) { | |
| 712 // Note: create_basic_type_mirror above initializes ak to a non-null value. | |
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713 type = ArrayKlass::cast(ak)->element_type(); |
| 0 | 714 } else { |
| 715 assert(java_class == Universe::void_mirror(), "only valid non-array primitive"); | |
| 716 } | |
| 717 assert(Universe::java_mirror(type) == java_class, "must be consistent"); | |
| 718 return type; | |
| 719 } | |
| 720 | |
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721 BasicType java_lang_Class::as_BasicType(oop java_class, Klass** reference_klass) { |
|
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722 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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723 if (is_primitive(java_class)) { |
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724 if (reference_klass != NULL) |
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725 (*reference_klass) = NULL; |
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726 return primitive_type(java_class); |
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727 } else { |
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728 if (reference_klass != NULL) |
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729 (*reference_klass) = as_Klass(java_class); |
|
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730 return T_OBJECT; |
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731 } |
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732 } |
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733 |
| 0 | 734 |
| 735 oop java_lang_Class::primitive_mirror(BasicType t) { | |
| 736 oop mirror = Universe::java_mirror(t); | |
| 1142 | 737 assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class"); |
| 0 | 738 assert(java_lang_Class::is_primitive(mirror), "must be primitive"); |
| 739 return mirror; | |
| 740 } | |
| 741 | |
| 742 bool java_lang_Class::offsets_computed = false; | |
| 743 int java_lang_Class::classRedefinedCount_offset = -1; | |
| 744 | |
| 745 void java_lang_Class::compute_offsets() { | |
| 746 assert(!offsets_computed, "offsets should be initialized only once"); | |
| 747 offsets_computed = true; | |
| 748 | |
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749 Klass* klass_oop = SystemDictionary::Class_klass(); |
| 0 | 750 // The classRedefinedCount field is only present starting in 1.5, |
| 751 // so don't go fatal. | |
|
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752 compute_optional_offset(classRedefinedCount_offset, |
| 3938 | 753 klass_oop, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature()); |
| 754 | |
| 755 CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
| 0 | 756 } |
| 757 | |
| 758 int java_lang_Class::classRedefinedCount(oop the_class_mirror) { | |
| 759 if (!JDK_Version::is_gte_jdk15x_version() | |
| 760 || classRedefinedCount_offset == -1) { | |
| 761 // The classRedefinedCount field is only present starting in 1.5. | |
| 762 // If we don't have an offset for it then just return -1 as a marker. | |
| 763 return -1; | |
| 764 } | |
| 765 | |
| 766 return the_class_mirror->int_field(classRedefinedCount_offset); | |
| 767 } | |
| 768 | |
| 769 void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) { | |
| 770 if (!JDK_Version::is_gte_jdk15x_version() | |
| 771 || classRedefinedCount_offset == -1) { | |
| 772 // The classRedefinedCount field is only present starting in 1.5. | |
| 773 // If we don't have an offset for it then nothing to set. | |
| 774 return; | |
| 775 } | |
| 776 | |
| 777 the_class_mirror->int_field_put(classRedefinedCount_offset, value); | |
| 778 } | |
| 779 | |
| 780 | |
| 781 // Note: JDK1.1 and before had a privateInfo_offset field which was used for the | |
| 782 // platform thread structure, and a eetop offset which was used for thread | |
| 783 // local storage (and unused by the HotSpot VM). In JDK1.2 the two structures | |
| 784 // merged, so in the HotSpot VM we just use the eetop field for the thread | |
| 785 // instead of the privateInfo_offset. | |
| 786 // | |
| 787 // Note: The stackSize field is only present starting in 1.4. | |
| 788 | |
| 789 int java_lang_Thread::_name_offset = 0; | |
| 790 int java_lang_Thread::_group_offset = 0; | |
| 791 int java_lang_Thread::_contextClassLoader_offset = 0; | |
| 792 int java_lang_Thread::_inheritedAccessControlContext_offset = 0; | |
| 793 int java_lang_Thread::_priority_offset = 0; | |
| 794 int java_lang_Thread::_eetop_offset = 0; | |
| 795 int java_lang_Thread::_daemon_offset = 0; | |
| 796 int java_lang_Thread::_stillborn_offset = 0; | |
| 797 int java_lang_Thread::_stackSize_offset = 0; | |
| 798 int java_lang_Thread::_tid_offset = 0; | |
| 799 int java_lang_Thread::_thread_status_offset = 0; | |
| 800 int java_lang_Thread::_park_blocker_offset = 0; | |
| 801 int java_lang_Thread::_park_event_offset = 0 ; | |
| 802 | |
| 803 | |
| 804 void java_lang_Thread::compute_offsets() { | |
| 805 assert(_group_offset == 0, "offsets should be initialized only once"); | |
| 806 | |
|
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807 Klass* k = SystemDictionary::Thread_klass(); |
|
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808 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature()); |
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809 compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature()); |
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810 compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature()); |
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811 compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature()); |
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812 compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature()); |
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813 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
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814 compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature()); |
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815 compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature()); |
| 0 | 816 // The stackSize field is only present starting in 1.4, so don't go fatal. |
|
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817 compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature()); |
| 0 | 818 // The tid and thread_status fields are only present starting in 1.5, so don't go fatal. |
|
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819 compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature()); |
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820 compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature()); |
| 0 | 821 // The parkBlocker field is only present starting in 1.6, so don't go fatal. |
|
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822 compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature()); |
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823 compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(), |
| 0 | 824 vmSymbols::long_signature()); |
| 825 } | |
| 826 | |
| 827 | |
| 828 JavaThread* java_lang_Thread::thread(oop java_thread) { | |
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829 return (JavaThread*)java_thread->address_field(_eetop_offset); |
| 0 | 830 } |
| 831 | |
| 832 | |
| 833 void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) { | |
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834 java_thread->address_field_put(_eetop_offset, (address)thread); |
| 0 | 835 } |
| 836 | |
| 837 | |
| 838 typeArrayOop java_lang_Thread::name(oop java_thread) { | |
| 839 oop name = java_thread->obj_field(_name_offset); | |
|
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840 assert(name == NULL || (name->is_typeArray() && TypeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking"); |
| 0 | 841 return typeArrayOop(name); |
| 842 } | |
| 843 | |
| 844 | |
| 845 void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) { | |
| 846 assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL"); | |
| 847 java_thread->obj_field_put(_name_offset, name); | |
| 848 } | |
| 849 | |
| 850 | |
| 851 ThreadPriority java_lang_Thread::priority(oop java_thread) { | |
| 852 return (ThreadPriority)java_thread->int_field(_priority_offset); | |
| 853 } | |
| 854 | |
| 855 | |
| 856 void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) { | |
| 857 java_thread->int_field_put(_priority_offset, priority); | |
| 858 } | |
| 859 | |
| 860 | |
| 861 oop java_lang_Thread::threadGroup(oop java_thread) { | |
| 862 return java_thread->obj_field(_group_offset); | |
| 863 } | |
| 864 | |
| 865 | |
| 866 bool java_lang_Thread::is_stillborn(oop java_thread) { | |
| 867 return java_thread->bool_field(_stillborn_offset) != 0; | |
| 868 } | |
| 869 | |
| 870 | |
| 871 // We never have reason to turn the stillborn bit off | |
| 872 void java_lang_Thread::set_stillborn(oop java_thread) { | |
| 873 java_thread->bool_field_put(_stillborn_offset, true); | |
| 874 } | |
| 875 | |
| 876 | |
| 877 bool java_lang_Thread::is_alive(oop java_thread) { | |
| 878 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
| 879 return (thr != NULL); | |
| 880 } | |
| 881 | |
| 882 | |
| 883 bool java_lang_Thread::is_daemon(oop java_thread) { | |
| 884 return java_thread->bool_field(_daemon_offset) != 0; | |
| 885 } | |
| 886 | |
| 887 | |
| 888 void java_lang_Thread::set_daemon(oop java_thread) { | |
| 889 java_thread->bool_field_put(_daemon_offset, true); | |
| 890 } | |
| 891 | |
| 892 oop java_lang_Thread::context_class_loader(oop java_thread) { | |
| 893 return java_thread->obj_field(_contextClassLoader_offset); | |
| 894 } | |
| 895 | |
| 896 oop java_lang_Thread::inherited_access_control_context(oop java_thread) { | |
| 897 return java_thread->obj_field(_inheritedAccessControlContext_offset); | |
| 898 } | |
| 899 | |
| 900 | |
| 901 jlong java_lang_Thread::stackSize(oop java_thread) { | |
| 902 // The stackSize field is only present starting in 1.4 | |
| 903 if (_stackSize_offset > 0) { | |
| 904 assert(JDK_Version::is_gte_jdk14x_version(), "sanity check"); | |
| 905 return java_thread->long_field(_stackSize_offset); | |
| 906 } else { | |
| 907 return 0; | |
| 908 } | |
| 909 } | |
| 910 | |
| 911 // Write the thread status value to threadStatus field in java.lang.Thread java class. | |
| 912 void java_lang_Thread::set_thread_status(oop java_thread, | |
| 913 java_lang_Thread::ThreadStatus status) { | |
| 914 // The threadStatus is only present starting in 1.5 | |
| 915 if (_thread_status_offset > 0) { | |
| 916 java_thread->int_field_put(_thread_status_offset, status); | |
| 917 } | |
| 918 } | |
| 919 | |
| 920 // Read thread status value from threadStatus field in java.lang.Thread java class. | |
| 921 java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { | |
| 922 assert(Thread::current()->is_VM_thread() || | |
| 923 JavaThread::current()->thread_state() == _thread_in_vm, | |
| 924 "Java Thread is not running in vm"); | |
| 925 // The threadStatus is only present starting in 1.5 | |
| 926 if (_thread_status_offset > 0) { | |
| 927 return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
| 928 } else { | |
| 929 // All we can easily figure out is if it is alive, but that is | |
| 930 // enough info for a valid unknown status. | |
| 931 // These aren't restricted to valid set ThreadStatus values, so | |
| 932 // use JVMTI values and cast. | |
| 933 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
| 934 if (thr == NULL) { | |
| 935 // the thread hasn't run yet or is in the process of exiting | |
| 936 return NEW; | |
| 937 } | |
| 938 return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE; | |
| 939 } | |
| 940 } | |
| 941 | |
| 942 | |
| 943 jlong java_lang_Thread::thread_id(oop java_thread) { | |
| 944 // The thread ID field is only present starting in 1.5 | |
| 945 if (_tid_offset > 0) { | |
| 946 return java_thread->long_field(_tid_offset); | |
| 947 } else { | |
| 948 return 0; | |
| 949 } | |
| 950 } | |
| 951 | |
| 952 oop java_lang_Thread::park_blocker(oop java_thread) { | |
| 242 | 953 assert(JDK_Version::current().supports_thread_park_blocker() && |
| 954 _park_blocker_offset != 0, "Must support parkBlocker field"); | |
| 0 | 955 |
| 956 if (_park_blocker_offset > 0) { | |
| 957 return java_thread->obj_field(_park_blocker_offset); | |
| 958 } | |
| 959 | |
| 960 return NULL; | |
| 961 } | |
| 962 | |
| 963 jlong java_lang_Thread::park_event(oop java_thread) { | |
| 964 if (_park_event_offset > 0) { | |
| 965 return java_thread->long_field(_park_event_offset); | |
| 966 } | |
| 967 return 0; | |
| 968 } | |
| 969 | |
| 970 bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) { | |
| 971 if (_park_event_offset > 0) { | |
| 972 java_thread->long_field_put(_park_event_offset, ptr); | |
| 973 return true; | |
| 974 } | |
| 975 return false; | |
| 976 } | |
| 977 | |
| 978 | |
| 979 const char* java_lang_Thread::thread_status_name(oop java_thread) { | |
| 980 assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status"); | |
| 981 ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
| 982 switch (status) { | |
| 983 case NEW : return "NEW"; | |
| 984 case RUNNABLE : return "RUNNABLE"; | |
| 985 case SLEEPING : return "TIMED_WAITING (sleeping)"; | |
| 986 case IN_OBJECT_WAIT : return "WAITING (on object monitor)"; | |
| 987 case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)"; | |
| 988 case PARKED : return "WAITING (parking)"; | |
| 989 case PARKED_TIMED : return "TIMED_WAITING (parking)"; | |
| 990 case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)"; | |
| 991 case TERMINATED : return "TERMINATED"; | |
| 992 default : return "UNKNOWN"; | |
| 993 }; | |
| 994 } | |
| 995 int java_lang_ThreadGroup::_parent_offset = 0; | |
| 996 int java_lang_ThreadGroup::_name_offset = 0; | |
| 997 int java_lang_ThreadGroup::_threads_offset = 0; | |
| 998 int java_lang_ThreadGroup::_groups_offset = 0; | |
| 999 int java_lang_ThreadGroup::_maxPriority_offset = 0; | |
| 1000 int java_lang_ThreadGroup::_destroyed_offset = 0; | |
| 1001 int java_lang_ThreadGroup::_daemon_offset = 0; | |
| 1002 int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0; | |
| 1003 int java_lang_ThreadGroup::_nthreads_offset = 0; | |
| 1004 int java_lang_ThreadGroup::_ngroups_offset = 0; | |
| 1005 | |
| 1006 oop java_lang_ThreadGroup::parent(oop java_thread_group) { | |
| 1007 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1008 return java_thread_group->obj_field(_parent_offset); | |
| 1009 } | |
| 1010 | |
| 1011 // ("name as oop" accessor is not necessary) | |
| 1012 | |
| 1013 typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) { | |
| 1014 oop name = java_thread_group->obj_field(_name_offset); | |
| 1015 // ThreadGroup.name can be null | |
| 1016 return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name); | |
| 1017 } | |
| 1018 | |
| 1019 int java_lang_ThreadGroup::nthreads(oop java_thread_group) { | |
| 1020 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1021 return java_thread_group->int_field(_nthreads_offset); | |
| 1022 } | |
| 1023 | |
| 1024 objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) { | |
| 1025 oop threads = java_thread_group->obj_field(_threads_offset); | |
| 1026 assert(threads != NULL, "threadgroups should have threads"); | |
| 1027 assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code | |
| 1028 return objArrayOop(threads); | |
| 1029 } | |
| 1030 | |
| 1031 int java_lang_ThreadGroup::ngroups(oop java_thread_group) { | |
| 1032 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1033 return java_thread_group->int_field(_ngroups_offset); | |
| 1034 } | |
| 1035 | |
| 1036 objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) { | |
| 1037 oop groups = java_thread_group->obj_field(_groups_offset); | |
| 1038 assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code | |
| 1039 return objArrayOop(groups); | |
| 1040 } | |
| 1041 | |
| 1042 ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) { | |
| 1043 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1044 return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset); | |
| 1045 } | |
| 1046 | |
| 1047 bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) { | |
| 1048 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1049 return java_thread_group->bool_field(_destroyed_offset) != 0; | |
| 1050 } | |
| 1051 | |
| 1052 bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) { | |
| 1053 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1054 return java_thread_group->bool_field(_daemon_offset) != 0; | |
| 1055 } | |
| 1056 | |
| 1057 bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) { | |
| 1058 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1059 return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0; | |
| 1060 } | |
| 1061 | |
| 1062 void java_lang_ThreadGroup::compute_offsets() { | |
| 1063 assert(_parent_offset == 0, "offsets should be initialized only once"); | |
| 1064 | |
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1065 Klass* k = SystemDictionary::ThreadGroup_klass(); |
| 0 | 1066 |
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1067 compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature()); |
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1068 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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1069 compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature()); |
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1070 compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature()); |
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1071 compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature()); |
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1072 compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature()); |
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1073 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
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1074 compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature()); |
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1075 compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature()); |
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1076 compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature()); |
| 0 | 1077 } |
| 1078 | |
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1079 oop java_lang_Throwable::unassigned_stacktrace() { |
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1080 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Throwable_klass()); |
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1081 address addr = ik->static_field_addr(static_unassigned_stacktrace_offset); |
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1082 if (UseCompressedOops) { |
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1083 return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
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1084 } else { |
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1085 return oopDesc::load_decode_heap_oop((oop*)addr); |
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1086 } |
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1087 } |
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1088 |
| 0 | 1089 oop java_lang_Throwable::backtrace(oop throwable) { |
| 1090 return throwable->obj_field_acquire(backtrace_offset); | |
| 1091 } | |
| 1092 | |
| 1093 | |
| 1094 void java_lang_Throwable::set_backtrace(oop throwable, oop value) { | |
| 1095 throwable->release_obj_field_put(backtrace_offset, value); | |
| 1096 } | |
| 1097 | |
| 1098 | |
| 1099 oop java_lang_Throwable::message(oop throwable) { | |
| 1100 return throwable->obj_field(detailMessage_offset); | |
| 1101 } | |
| 1102 | |
| 1103 | |
| 1104 oop java_lang_Throwable::message(Handle throwable) { | |
| 1105 return throwable->obj_field(detailMessage_offset); | |
| 1106 } | |
| 1107 | |
| 1108 | |
| 1109 void java_lang_Throwable::set_message(oop throwable, oop value) { | |
| 1110 throwable->obj_field_put(detailMessage_offset, value); | |
| 1111 } | |
| 1112 | |
| 1113 | |
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1114 void java_lang_Throwable::set_stacktrace(oop throwable, oop st_element_array) { |
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1115 throwable->obj_field_put(stackTrace_offset, st_element_array); |
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1116 } |
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1117 |
| 0 | 1118 void java_lang_Throwable::clear_stacktrace(oop throwable) { |
| 1119 assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); | |
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1120 set_stacktrace(throwable, NULL); |
| 0 | 1121 } |
| 1122 | |
| 1123 | |
| 1124 void java_lang_Throwable::print(oop throwable, outputStream* st) { | |
| 1125 ResourceMark rm; | |
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1126 Klass* k = throwable->klass(); |
| 0 | 1127 assert(k != NULL, "just checking"); |
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1128 st->print("%s", InstanceKlass::cast(k)->external_name()); |
| 0 | 1129 oop msg = message(throwable); |
| 1130 if (msg != NULL) { | |
| 1131 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
| 1132 } | |
| 1133 } | |
| 1134 | |
| 1135 | |
| 1136 void java_lang_Throwable::print(Handle throwable, outputStream* st) { | |
| 1137 ResourceMark rm; | |
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1138 Klass* k = throwable->klass(); |
| 0 | 1139 assert(k != NULL, "just checking"); |
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1140 st->print("%s", InstanceKlass::cast(k)->external_name()); |
| 0 | 1141 oop msg = message(throwable); |
| 1142 if (msg != NULL) { | |
| 1143 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
| 1144 } | |
| 1145 } | |
| 1146 | |
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1147 // After this many redefines, the stack trace is unreliable. |
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1148 const int MAX_VERSION = USHRT_MAX; |
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1149 |
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1150 // Helper backtrace functions to store bci|version together. |
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1151 static inline int merge_bci_and_version(int bci, int version) { |
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1152 // only store u2 for version, checking for overflow. |
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1153 if (version > USHRT_MAX || version < 0) version = MAX_VERSION; |
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1154 assert((jushort)bci == bci, "bci should be short"); |
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1155 return build_int_from_shorts(version, bci); |
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1156 } |
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1157 |
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1158 static inline int bci_at(unsigned int merged) { |
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1159 return extract_high_short_from_int(merged); |
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1160 } |
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1161 static inline int version_at(unsigned int merged) { |
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1162 return extract_low_short_from_int(merged); |
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1163 } |
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1164 |
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1165 static inline bool version_matches(Method* method, int version) { |
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1166 return (method->constants()->version() == version && version < MAX_VERSION); |
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1167 } |
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1168 |
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1169 static inline int get_line_number(Method* method, int bci) { |
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1170 int line_number = 0; |
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1171 if (method->is_native()) { |
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1172 // Negative value different from -1 below, enabling Java code in |
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1173 // class java.lang.StackTraceElement to distinguish "native" from |
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1174 // "no LineNumberTable". JDK tests for -2. |
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1175 line_number = -2; |
| 0 | 1176 } else { |
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1177 // Returns -1 if no LineNumberTable, and otherwise actual line number |
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1178 line_number = method->line_number_from_bci(bci); |
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1179 if (line_number == -1 && ShowHiddenFrames) { |
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1180 line_number = bci + 1000000; |
| 0 | 1181 } |
| 1182 } | |
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1183 return line_number; |
| 0 | 1184 } |
| 1185 | |
| 1186 // This class provides a simple wrapper over the internal structure of | |
| 1187 // exception backtrace to insulate users of the backtrace from needing | |
| 1188 // to know what it looks like. | |
| 1189 class BacktraceBuilder: public StackObj { | |
| 1190 private: | |
| 1191 Handle _backtrace; | |
| 1192 objArrayOop _head; | |
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1193 typeArrayOop _methods; |
| 0 | 1194 typeArrayOop _bcis; |
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1195 objArrayOop _mirrors; |
| 0 | 1196 int _index; |
| 1197 No_Safepoint_Verifier _nsv; | |
| 1198 | |
| 1199 public: | |
| 1200 | |
| 1201 enum { | |
| 1202 trace_methods_offset = java_lang_Throwable::trace_methods_offset, | |
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1203 trace_bcis_offset = java_lang_Throwable::trace_bcis_offset, |
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1204 trace_mirrors_offset = java_lang_Throwable::trace_mirrors_offset, |
| 0 | 1205 trace_next_offset = java_lang_Throwable::trace_next_offset, |
| 1206 trace_size = java_lang_Throwable::trace_size, | |
| 1207 trace_chunk_size = java_lang_Throwable::trace_chunk_size | |
| 1208 }; | |
| 1209 | |
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1210 // get info out of chunks |
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1211 static typeArrayOop get_methods(objArrayHandle chunk) { |
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1212 typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset)); |
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1213 assert(methods != NULL, "method array should be initialized in backtrace"); |
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1214 return methods; |
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1215 } |
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1216 static typeArrayOop get_bcis(objArrayHandle chunk) { |
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1217 typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
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1218 assert(bcis != NULL, "bci array should be initialized in backtrace"); |
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1219 return bcis; |
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1220 } |
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1221 static objArrayOop get_mirrors(objArrayHandle chunk) { |
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1222 objArrayOop mirrors = objArrayOop(chunk->obj_at(trace_mirrors_offset)); |
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1223 assert(mirrors != NULL, "mirror array should be initialized in backtrace"); |
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1224 return mirrors; |
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1225 } |
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1226 |
| 0 | 1227 // constructor for new backtrace |
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1228 BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _mirrors(NULL) { |
| 0 | 1229 expand(CHECK); |
| 1230 _backtrace = _head; | |
| 1231 _index = 0; | |
| 1232 } | |
| 1233 | |
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1234 BacktraceBuilder(objArrayHandle backtrace) { |
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1235 _methods = get_methods(backtrace); |
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1236 _bcis = get_bcis(backtrace); |
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1237 _mirrors = get_mirrors(backtrace); |
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1238 assert(_methods->length() == _bcis->length() && |
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1239 _methods->length() == _mirrors->length(), |
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1240 "method and source information arrays should match"); |
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1241 |
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1242 // head is the preallocated backtrace |
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1243 _backtrace = _head = backtrace(); |
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1244 _index = 0; |
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1245 } |
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1246 |
| 0 | 1247 void expand(TRAPS) { |
| 1248 objArrayHandle old_head(THREAD, _head); | |
| 1249 Pause_No_Safepoint_Verifier pnsv(&_nsv); | |
| 1250 | |
| 1251 objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK); | |
| 1252 objArrayHandle new_head(THREAD, head); | |
| 1253 | |
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1254 typeArrayOop methods = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
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1255 typeArrayHandle new_methods(THREAD, methods); |
| 0 | 1256 |
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1257 typeArrayOop bcis = oopFactory::new_intArray(trace_chunk_size, CHECK); |
| 0 | 1258 typeArrayHandle new_bcis(THREAD, bcis); |
| 1259 | |
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1260 objArrayOop mirrors = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
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1261 objArrayHandle new_mirrors(THREAD, mirrors); |
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1262 |
| 0 | 1263 if (!old_head.is_null()) { |
| 1264 old_head->obj_at_put(trace_next_offset, new_head()); | |
| 1265 } | |
| 1266 new_head->obj_at_put(trace_methods_offset, new_methods()); | |
| 1267 new_head->obj_at_put(trace_bcis_offset, new_bcis()); | |
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1268 new_head->obj_at_put(trace_mirrors_offset, new_mirrors()); |
| 0 | 1269 |
| 1270 _head = new_head(); | |
| 1271 _methods = new_methods(); | |
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1272 _bcis = new_bcis(); |
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1273 _mirrors = new_mirrors(); |
| 0 | 1274 _index = 0; |
| 1275 } | |
| 1276 | |
| 1277 oop backtrace() { | |
| 1278 return _backtrace(); | |
| 1279 } | |
| 1280 | |
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1281 inline void push(Method* method, int bci, TRAPS) { |
|
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1282 // Smear the -1 bci to 0 since the array only holds unsigned |
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1283 // shorts. The later line number lookup would just smear the -1 |
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1284 // to a 0 even if it could be recorded. |
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1285 if (bci == SynchronizationEntryBCI) bci = 0; |
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1286 |
| 0 | 1287 if (_index >= trace_chunk_size) { |
| 1288 methodHandle mhandle(THREAD, method); | |
| 1289 expand(CHECK); | |
| 1290 method = mhandle(); | |
| 1291 } | |
| 1292 | |
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1293 _methods->short_at_put(_index, method->method_idnum()); |
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1294 _bcis->int_at_put(_index, merge_bci_and_version(bci, method->constants()->version())); |
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1295 |
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1296 // We need to save the mirrors in the backtrace to keep the class |
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1297 // from being unloaded while we still have this stack trace. |
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1298 assert(method->method_holder()->java_mirror() != NULL, "never push null for mirror"); |
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1299 _mirrors->obj_at_put(_index, method->method_holder()->java_mirror()); |
| 0 | 1300 _index++; |
| 1301 } | |
| 1302 | |
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1303 }; |
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1304 |
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1305 // Print stack trace element to resource allocated buffer |
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1306 char* java_lang_Throwable::print_stack_element_to_buffer(Handle mirror, |
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1307 int method_id, int version, int bci) { |
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1308 |
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1309 // Get strings and string lengths |
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1310 InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror())); |
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1311 const char* klass_name = holder->external_name(); |
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1312 int buf_len = (int)strlen(klass_name); |
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1313 |
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1314 // pushing to the stack trace added one. |
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1315 Method* method = holder->method_with_idnum(method_id); |
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1316 char* method_name = method->name()->as_C_string(); |
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1317 buf_len += (int)strlen(method_name); |
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1318 |
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1319 char* source_file_name = NULL; |
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1320 if (version_matches(method, version)) { |
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1321 Symbol* source = holder->source_file_name(); |
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1322 if (source != NULL) { |
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1323 source_file_name = source->as_C_string(); |
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1324 buf_len += (int)strlen(source_file_name); |
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1325 } |
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1326 } |
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1327 |
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1328 // Allocate temporary buffer with extra space for formatting and line number |
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1329 char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); |
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1330 |
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1331 // Print stack trace line in buffer |
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1332 sprintf(buf, "\tat %s.%s", klass_name, method_name); |
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1333 |
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1334 if (!version_matches(method, version)) { |
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1335 strcat(buf, "(Redefined)"); |
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1336 } else { |
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1337 int line_number = get_line_number(method, bci); |
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1338 if (line_number == -2) { |
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1339 strcat(buf, "(Native Method)"); |
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1340 } else { |
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1341 if (source_file_name != NULL && (line_number != -1)) { |
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1342 // Sourcename and linenumber |
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1343 sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number); |
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1344 } else if (source_file_name != NULL) { |
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1345 // Just sourcename |
|
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1346 sprintf(buf + (int)strlen(buf), "(%s)", source_file_name); |
|
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1347 } else { |
|
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1348 // Neither sourcename nor linenumber |
|
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1349 sprintf(buf + (int)strlen(buf), "(Unknown Source)"); |
|
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1350 } |
|
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1351 nmethod* nm = method->code(); |
|
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1352 if (WizardMode && nm != NULL) { |
|
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1353 sprintf(buf + (int)strlen(buf), "(nmethod " INTPTR_FORMAT ")", (intptr_t)nm); |
|
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1354 } |
|
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1355 } |
| 0 | 1356 } |
| 1357 | |
|
7624
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1358 return buf; |
|
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1359 } |
|
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1360 |
|
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1361 void java_lang_Throwable::print_stack_element(outputStream *st, Handle mirror, |
|
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1362 int method_id, int version, int bci) { |
|
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1363 ResourceMark rm; |
|
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1364 char* buf = print_stack_element_to_buffer(mirror, method_id, version, bci); |
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1365 st->print_cr("%s", buf); |
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1366 } |
|
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1367 |
|
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1368 void java_lang_Throwable::print_stack_element(outputStream *st, methodHandle method, int bci) { |
|
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1369 Handle mirror = method->method_holder()->java_mirror(); |
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1370 int method_id = method->method_idnum(); |
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1371 int version = method->constants()->version(); |
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1372 print_stack_element(st, mirror, method_id, version, bci); |
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1373 } |
|
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1374 |
|
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1375 const char* java_lang_Throwable::no_stack_trace_message() { |
|
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1376 return "\t<<no stack trace available>>"; |
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1377 } |
|
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1378 |
|
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1379 |
|
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1380 // Currently used only for exceptions occurring during startup |
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1381 void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) { |
|
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1382 Thread *THREAD = Thread::current(); |
|
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1383 Handle h_throwable(THREAD, throwable); |
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1384 while (h_throwable.not_null()) { |
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1385 objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable()))); |
|
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1386 if (result.is_null()) { |
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1387 st->print_cr(no_stack_trace_message()); |
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1388 return; |
|
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1389 } |
|
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1390 |
|
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1391 while (result.not_null()) { |
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1392 |
|
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1393 // Get method id, bci, version and mirror from chunk |
|
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1394 typeArrayHandle methods (THREAD, BacktraceBuilder::get_methods(result)); |
|
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1395 typeArrayHandle bcis (THREAD, BacktraceBuilder::get_bcis(result)); |
|
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1396 objArrayHandle mirrors (THREAD, BacktraceBuilder::get_mirrors(result)); |
|
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1397 |
|
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1398 int length = methods()->length(); |
|
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1399 for (int index = 0; index < length; index++) { |
|
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1400 Handle mirror(THREAD, mirrors->obj_at(index)); |
|
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1401 // NULL mirror means end of stack trace |
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1402 if (mirror.is_null()) goto handle_cause; |
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1403 int method = methods->short_at(index); |
|
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1404 int version = version_at(bcis->int_at(index)); |
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1405 int bci = bci_at(bcis->int_at(index)); |
|
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1406 print_stack_element(st, mirror, method, version, bci); |
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1407 } |
|
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1408 result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset))); |
|
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1409 } |
|
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1410 handle_cause: |
|
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1411 { |
|
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1412 EXCEPTION_MARK; |
|
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1413 JavaValue cause(T_OBJECT); |
|
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1414 JavaCalls::call_virtual(&cause, |
|
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1415 h_throwable, |
|
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1416 KlassHandle(THREAD, h_throwable->klass()), |
|
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1417 vmSymbols::getCause_name(), |
|
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1418 vmSymbols::void_throwable_signature(), |
|
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1419 THREAD); |
|
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1420 // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
|
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1421 if (HAS_PENDING_EXCEPTION) { |
|
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1422 CLEAR_PENDING_EXCEPTION; |
|
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1423 h_throwable = Handle(); |
|
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|
1424 } else { |
|
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1425 h_throwable = Handle(THREAD, (oop) cause.get_jobject()); |
|
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1426 if (h_throwable.not_null()) { |
|
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1427 st->print("Caused by: "); |
|
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1428 print(h_throwable, st); |
|
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1429 st->cr(); |
|
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|
1430 } |
|
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|
1431 } |
|
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|
1432 } |
| 0 | 1433 } |
|
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1434 } |
| 0 | 1435 |
|
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|
1436 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) { |
| 0 | 1437 if (!StackTraceInThrowable) return; |
| 1438 ResourceMark rm(THREAD); | |
| 1439 | |
| 1440 // Start out by clearing the backtrace for this object, in case the VM | |
| 1441 // runs out of memory while allocating the stack trace | |
| 1442 set_backtrace(throwable(), NULL); | |
| 1443 if (JDK_Version::is_gte_jdk14x_version()) { | |
| 1444 // New since 1.4, clear lazily constructed Java level stacktrace if | |
| 1445 // refilling occurs | |
|
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|
1446 // This is unnecessary in 1.7+ but harmless |
| 0 | 1447 clear_stacktrace(throwable()); |
| 1448 } | |
| 1449 | |
| 1450 int max_depth = MaxJavaStackTraceDepth; | |
| 1451 JavaThread* thread = (JavaThread*)THREAD; | |
| 1452 BacktraceBuilder bt(CHECK); | |
| 1453 | |
|
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1454 // If there is no Java frame just return the method that was being called |
|
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1455 // with bci 0 |
|
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|
1456 if (!thread->has_last_Java_frame()) { |
|
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|
1457 if (max_depth >= 1 && method() != NULL) { |
|
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|
1458 bt.push(method(), 0, CHECK); |
|
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|
1459 set_backtrace(throwable(), bt.backtrace()); |
|
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|
1460 } |
|
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|
1461 return; |
|
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|
1462 } |
|
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|
1463 |
| 0 | 1464 // Instead of using vframe directly, this version of fill_in_stack_trace |
| 1465 // basically handles everything by hand. This significantly improved the | |
| 1466 // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows. | |
| 1467 // See bug 6333838 for more details. | |
| 1468 // The "ASSERT" here is to verify this method generates the exactly same stack | |
| 1469 // trace as utilizing vframe. | |
| 1470 #ifdef ASSERT | |
| 1471 vframeStream st(thread); | |
| 1472 methodHandle st_method(THREAD, st.method()); | |
| 1473 #endif | |
| 1474 int total_count = 0; | |
| 1475 RegisterMap map(thread, false); | |
| 1476 int decode_offset = 0; | |
| 1477 nmethod* nm = NULL; | |
| 1478 bool skip_fillInStackTrace_check = false; | |
| 1479 bool skip_throwableInit_check = false; | |
|
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|
1480 bool skip_hidden = !ShowHiddenFrames; |
| 0 | 1481 |
| 1482 for (frame fr = thread->last_frame(); max_depth != total_count;) { | |
|
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1483 Method* method = NULL; |
| 0 | 1484 int bci = 0; |
| 1485 | |
| 1486 // Compiled java method case. | |
| 1487 if (decode_offset != 0) { | |
| 1488 DebugInfoReadStream stream(nm, decode_offset); | |
| 1489 decode_offset = stream.read_int(); | |
|
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1490 method = (Method*)nm->metadata_at(stream.read_int()); |
|
931
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|
1491 bci = stream.read_bci(); |
| 0 | 1492 } else { |
| 1493 if (fr.is_first_frame()) break; | |
| 1494 address pc = fr.pc(); | |
| 1495 if (fr.is_interpreted_frame()) { | |
| 1496 intptr_t bcx = fr.interpreter_frame_bcx(); | |
| 1497 method = fr.interpreter_frame_method(); | |
| 1498 bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx); | |
| 1499 fr = fr.sender(&map); | |
| 1500 } else { | |
| 1501 CodeBlob* cb = fr.cb(); | |
| 1502 // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL | |
| 1503 // but non nmethod | |
| 1504 fr = fr.sender(&map); | |
| 1505 if (cb == NULL || !cb->is_nmethod()) { | |
| 1506 continue; | |
| 1507 } | |
| 1508 nm = (nmethod*)cb; | |
| 1509 if (nm->method()->is_native()) { | |
| 1510 method = nm->method(); | |
| 1511 bci = 0; | |
| 1512 } else { | |
| 1513 PcDesc* pd = nm->pc_desc_at(pc); | |
| 1514 decode_offset = pd->scope_decode_offset(); | |
| 1515 // if decode_offset is not equal to 0, it will execute the | |
| 1516 // "compiled java method case" at the beginning of the loop. | |
| 1517 continue; | |
| 1518 } | |
| 1519 } | |
| 1520 } | |
| 1521 #ifdef ASSERT | |
|
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1522 assert(st_method() == method && st.bci() == bci, |
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1523 "Wrong stack trace"); |
|
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1524 st.next(); |
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1525 // vframeStream::method isn't GC-safe so store off a copy |
|
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1526 // of the Method* in case we GC. |
|
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1527 if (!st.at_end()) { |
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1528 st_method = st.method(); |
|
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1529 } |
| 0 | 1530 #endif |
|
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1531 |
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1532 // the format of the stacktrace will be: |
|
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1533 // - 1 or more fillInStackTrace frames for the exception class (skipped) |
|
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1534 // - 0 or more <init> methods for the exception class (skipped) |
|
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1535 // - rest of the stack |
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1536 |
| 0 | 1537 if (!skip_fillInStackTrace_check) { |
|
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1538 if ((method->name() == vmSymbols::fillInStackTrace_name() || |
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1539 method->name() == vmSymbols::fillInStackTrace0_name()) && |
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1540 throwable->is_a(method->method_holder())) { |
| 0 | 1541 continue; |
| 1542 } | |
|
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1543 else { |
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1544 skip_fillInStackTrace_check = true; // gone past them all |
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1545 } |
| 0 | 1546 } |
| 1547 if (!skip_throwableInit_check) { | |
|
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1548 assert(skip_fillInStackTrace_check, "logic error in backtrace filtering"); |
|
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1549 |
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1550 // skip <init> methods of the exception class and superclasses |
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1551 // This is simlar to classic VM. |
| 0 | 1552 if (method->name() == vmSymbols::object_initializer_name() && |
| 1553 throwable->is_a(method->method_holder())) { | |
| 1554 continue; | |
| 1555 } else { | |
|
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1556 // there are none or we've seen them all - either way stop checking |
| 0 | 1557 skip_throwableInit_check = true; |
| 1558 } | |
| 1559 } | |
|
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1560 if (method->is_hidden()) { |
|
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1561 if (skip_hidden) continue; |
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1562 } |
| 0 | 1563 bt.push(method, bci, CHECK); |
| 1564 total_count++; | |
| 1565 } | |
| 1566 | |
| 1567 // Put completed stack trace into throwable object | |
| 1568 set_backtrace(throwable(), bt.backtrace()); | |
| 1569 } | |
| 1570 | |
|
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1571 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) { |
| 0 | 1572 // No-op if stack trace is disabled |
| 1573 if (!StackTraceInThrowable) { | |
| 1574 return; | |
| 1575 } | |
| 1576 | |
| 1577 // Disable stack traces for some preallocated out of memory errors | |
| 1578 if (!Universe::should_fill_in_stack_trace(throwable)) { | |
| 1579 return; | |
| 1580 } | |
| 1581 | |
| 1582 PRESERVE_EXCEPTION_MARK; | |
| 1583 | |
| 1584 JavaThread* thread = JavaThread::active(); | |
|
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1585 fill_in_stack_trace(throwable, method, thread); |
| 0 | 1586 // ignore exceptions thrown during stack trace filling |
| 1587 CLEAR_PENDING_EXCEPTION; | |
| 1588 } | |
| 1589 | |
| 1590 void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) { | |
| 1591 // Allocate stack trace - backtrace is created but not filled in | |
| 1592 | |
| 1593 // No-op if stack trace is disabled | |
| 1594 if (!StackTraceInThrowable) return; | |
|
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1595 BacktraceBuilder bt(CHECK); // creates a backtrace |
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1596 set_backtrace(throwable(), bt.backtrace()); |
| 0 | 1597 } |
| 1598 | |
| 1599 | |
| 1600 void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) { | |
| 1601 // Fill in stack trace into preallocated backtrace (no GC) | |
| 1602 | |
| 1603 // No-op if stack trace is disabled | |
| 1604 if (!StackTraceInThrowable) return; | |
| 1605 | |
| 1142 | 1606 assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check"); |
| 0 | 1607 |
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1608 JavaThread* THREAD = JavaThread::current(); |
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1609 |
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1610 objArrayHandle backtrace (THREAD, (objArrayOop)java_lang_Throwable::backtrace(throwable())); |
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1611 assert(backtrace.not_null(), "backtrace should have been preallocated"); |
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1612 |
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1613 ResourceMark rm(THREAD); |
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1614 vframeStream st(THREAD); |
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1615 |
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1616 BacktraceBuilder bt(backtrace); |
| 0 | 1617 |
| 1618 // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init | |
| 1619 // methods as preallocated errors aren't created by "java" code. | |
| 1620 | |
| 1621 // fill in as much stack trace as possible | |
|
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1622 typeArrayOop methods = BacktraceBuilder::get_methods(backtrace); |
| 0 | 1623 int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth); |
| 1624 int chunk_count = 0; | |
| 1625 | |
| 1626 for (;!st.at_end(); st.next()) { | |
|
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1627 bt.push(st.method(), st.bci(), CHECK); |
| 0 | 1628 chunk_count++; |
| 1629 | |
| 1630 // Bail-out for deep stacks | |
| 1631 if (chunk_count >= max_chunks) break; | |
| 1632 } | |
|
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1633 |
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1634 // For Java 7+ we support the Throwable immutability protocol defined for Java 7. This support |
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1635 // was missing in 7u0 so in 7u0 there is a workaround in the Throwable class. That workaround |
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1636 // can be removed in a JDK using this JVM version |
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1637 if (JDK_Version::is_gte_jdk17x_version()) { |
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1638 java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace()); |
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1639 assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized"); |
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1640 } |
| 0 | 1641 } |
| 1642 | |
| 1643 | |
| 1644 int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) { | |
| 1645 if (throwable == NULL) { | |
| 1646 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
| 1647 } | |
| 1648 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
| 1649 int depth = 0; | |
| 1650 if (chunk != NULL) { | |
| 1651 // Iterate over chunks and count full ones | |
| 1652 while (true) { | |
| 1653 objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset)); | |
| 1654 if (next == NULL) break; | |
| 1655 depth += trace_chunk_size; | |
| 1656 chunk = next; | |
| 1657 } | |
| 1658 assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check"); | |
|
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1659 // Count element in remaining partial chunk. NULL value for mirror |
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1660 // marks the end of the stack trace elements that are saved. |
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1661 objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk); |
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1662 assert(mirrors != NULL, "sanity check"); |
|
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1663 for (int i = 0; i < mirrors->length(); i++) { |
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|
1664 if (mirrors->obj_at(i) == NULL) break; |
| 0 | 1665 depth++; |
| 1666 } | |
| 1667 } | |
| 1668 return depth; | |
| 1669 } | |
| 1670 | |
| 1671 | |
| 1672 oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) { | |
| 1673 if (throwable == NULL) { | |
| 1674 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
| 1675 } | |
| 1676 if (index < 0) { | |
| 1677 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
| 1678 } | |
| 1679 // Compute how many chunks to skip and index into actual chunk | |
| 1680 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
| 1681 int skip_chunks = index / trace_chunk_size; | |
| 1682 int chunk_index = index % trace_chunk_size; | |
| 1683 while (chunk != NULL && skip_chunks > 0) { | |
| 1684 chunk = objArrayOop(chunk->obj_at(trace_next_offset)); | |
| 1685 skip_chunks--; | |
| 1686 } | |
| 1687 if (chunk == NULL) { | |
| 1688 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
| 1689 } | |
|
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1690 // Get method id, bci, version and mirror from chunk |
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1691 typeArrayOop methods = BacktraceBuilder::get_methods(chunk); |
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1692 typeArrayOop bcis = BacktraceBuilder::get_bcis(chunk); |
|
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1693 objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk); |
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1694 |
|
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1695 assert(methods != NULL && bcis != NULL && mirrors != NULL, "sanity check"); |
|
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1696 |
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1697 int method = methods->short_at(chunk_index); |
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1698 int version = version_at(bcis->int_at(chunk_index)); |
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1699 int bci = bci_at(bcis->int_at(chunk_index)); |
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1700 Handle mirror(THREAD, mirrors->obj_at(chunk_index)); |
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1701 |
| 0 | 1702 // Chunk can be partial full |
|
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1703 if (mirror.is_null()) { |
| 0 | 1704 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
| 1705 } | |
| 1706 | |
|
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1707 oop element = java_lang_StackTraceElement::create(mirror, method, version, bci, CHECK_0); |
| 0 | 1708 return element; |
| 1709 } | |
| 1710 | |
|
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1711 oop java_lang_StackTraceElement::create(Handle mirror, int method_id, int version, int bci, TRAPS) { |
| 0 | 1712 // Allocate java.lang.StackTraceElement instance |
|
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1713 Klass* k = SystemDictionary::StackTraceElement_klass(); |
|
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1714 assert(k != NULL, "must be loaded in 1.4+"); |
| 0 | 1715 instanceKlassHandle ik (THREAD, k); |
| 1716 if (ik->should_be_initialized()) { | |
| 1717 ik->initialize(CHECK_0); | |
| 1718 } | |
| 1719 | |
| 1720 Handle element = ik->allocate_instance_handle(CHECK_0); | |
| 1721 // Fill in class name | |
| 1722 ResourceMark rm(THREAD); | |
|
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1723 InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror())); |
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1724 const char* str = holder->external_name(); |
| 0 | 1725 oop classname = StringTable::intern((char*) str, CHECK_0); |
| 1726 java_lang_StackTraceElement::set_declaringClass(element(), classname); | |
|
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1727 |
| 0 | 1728 // Fill in method name |
|
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1729 Method* method = holder->method_with_idnum(method_id); |
| 0 | 1730 oop methodname = StringTable::intern(method->name(), CHECK_0); |
| 1731 java_lang_StackTraceElement::set_methodName(element(), methodname); | |
|
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1732 |
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1733 if (!version_matches(method, version)) { |
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1734 // The method was redefined, accurate line number information isn't available |
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1735 java_lang_StackTraceElement::set_fileName(element(), NULL); |
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1736 java_lang_StackTraceElement::set_lineNumber(element(), -1); |
| 0 | 1737 } else { |
|
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1738 // Fill in source file name and line number. |
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1739 Symbol* source = holder->source_file_name(); |
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1740 if (ShowHiddenFrames && source == NULL) |
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1741 source = vmSymbols::unknown_class_name(); |
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1742 oop filename = StringTable::intern(source, CHECK_0); |
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1743 java_lang_StackTraceElement::set_fileName(element(), filename); |
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1744 |
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1745 int line_number = get_line_number(method, bci); |
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1746 java_lang_StackTraceElement::set_lineNumber(element(), line_number); |
| 0 | 1747 } |
| 1748 return element(); | |
| 1749 } | |
| 1750 | |
|
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1751 oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) { |
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1752 Handle mirror (THREAD, method->method_holder()->java_mirror()); |
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1753 int method_id = method->method_idnum(); |
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1754 return create(mirror, method_id, method->constants()->version(), bci, THREAD); |
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1755 } |
| 0 | 1756 |
| 1757 void java_lang_reflect_AccessibleObject::compute_offsets() { | |
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1758 Klass* k = SystemDictionary::reflect_AccessibleObject_klass(); |
|
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1759 compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature()); |
| 0 | 1760 } |
| 1761 | |
| 1762 jboolean java_lang_reflect_AccessibleObject::override(oop reflect) { | |
| 1763 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1764 return (jboolean) reflect->bool_field(override_offset); | |
| 1765 } | |
| 1766 | |
| 1767 void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) { | |
| 1768 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1769 reflect->bool_field_put(override_offset, (int) value); | |
| 1770 } | |
| 1771 | |
| 1772 void java_lang_reflect_Method::compute_offsets() { | |
|
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1773 Klass* k = SystemDictionary::reflect_Method_klass(); |
|
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1774 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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1775 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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1776 compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature()); |
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1777 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
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1778 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
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1779 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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1780 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
| 0 | 1781 // The generic signature and annotations fields are only present in 1.5 |
| 1782 signature_offset = -1; | |
| 1783 annotations_offset = -1; | |
| 1784 parameter_annotations_offset = -1; | |
| 1785 annotation_default_offset = -1; | |
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1786 type_annotations_offset = -1; |
|
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1787 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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1788 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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1789 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
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1790 compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature()); |
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1791 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
| 0 | 1792 } |
| 1793 | |
| 1794 Handle java_lang_reflect_Method::create(TRAPS) { | |
| 1795 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
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1796 Klass* klass = SystemDictionary::reflect_Method_klass(); |
| 0 | 1797 // This class is eagerly initialized during VM initialization, since we keep a refence |
| 1798 // to one of the methods | |
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1799 assert(InstanceKlass::cast(klass)->is_initialized(), "must be initialized"); |
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1800 return InstanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH); |
| 0 | 1801 } |
| 1802 | |
| 1803 oop java_lang_reflect_Method::clazz(oop reflect) { | |
| 1804 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1805 return reflect->obj_field(clazz_offset); | |
| 1806 } | |
| 1807 | |
| 1808 void java_lang_reflect_Method::set_clazz(oop reflect, oop value) { | |
| 1809 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1810 reflect->obj_field_put(clazz_offset, value); | |
| 1811 } | |
| 1812 | |
| 1813 int java_lang_reflect_Method::slot(oop reflect) { | |
| 1814 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1815 return reflect->int_field(slot_offset); | |
| 1816 } | |
| 1817 | |
| 1818 void java_lang_reflect_Method::set_slot(oop reflect, int value) { | |
| 1819 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1820 reflect->int_field_put(slot_offset, value); | |
| 1821 } | |
| 1822 | |
| 1823 oop java_lang_reflect_Method::name(oop method) { | |
| 1824 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1825 return method->obj_field(name_offset); | |
| 1826 } | |
| 1827 | |
| 1828 void java_lang_reflect_Method::set_name(oop method, oop value) { | |
| 1829 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1830 method->obj_field_put(name_offset, value); | |
| 1831 } | |
| 1832 | |
| 1833 oop java_lang_reflect_Method::return_type(oop method) { | |
| 1834 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1835 return method->obj_field(returnType_offset); | |
| 1836 } | |
| 1837 | |
| 1838 void java_lang_reflect_Method::set_return_type(oop method, oop value) { | |
| 1839 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1840 method->obj_field_put(returnType_offset, value); | |
| 1841 } | |
| 1842 | |
| 1843 oop java_lang_reflect_Method::parameter_types(oop method) { | |
| 1844 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1845 return method->obj_field(parameterTypes_offset); | |
| 1846 } | |
| 1847 | |
| 1848 void java_lang_reflect_Method::set_parameter_types(oop method, oop value) { | |
| 1849 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1850 method->obj_field_put(parameterTypes_offset, value); | |
| 1851 } | |
| 1852 | |
| 1853 oop java_lang_reflect_Method::exception_types(oop method) { | |
| 1854 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1855 return method->obj_field(exceptionTypes_offset); | |
| 1856 } | |
| 1857 | |
| 1858 void java_lang_reflect_Method::set_exception_types(oop method, oop value) { | |
| 1859 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1860 method->obj_field_put(exceptionTypes_offset, value); | |
| 1861 } | |
| 1862 | |
| 1863 int java_lang_reflect_Method::modifiers(oop method) { | |
| 1864 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1865 return method->int_field(modifiers_offset); | |
| 1866 } | |
| 1867 | |
| 1868 void java_lang_reflect_Method::set_modifiers(oop method, int value) { | |
| 1869 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1870 method->int_field_put(modifiers_offset, value); | |
| 1871 } | |
| 1872 | |
| 1873 bool java_lang_reflect_Method::has_signature_field() { | |
| 1874 return (signature_offset >= 0); | |
| 1875 } | |
| 1876 | |
| 1877 oop java_lang_reflect_Method::signature(oop method) { | |
| 1878 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1879 assert(has_signature_field(), "signature field must be present"); | |
| 1880 return method->obj_field(signature_offset); | |
| 1881 } | |
| 1882 | |
| 1883 void java_lang_reflect_Method::set_signature(oop method, oop value) { | |
| 1884 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1885 assert(has_signature_field(), "signature field must be present"); | |
| 1886 method->obj_field_put(signature_offset, value); | |
| 1887 } | |
| 1888 | |
| 1889 bool java_lang_reflect_Method::has_annotations_field() { | |
| 1890 return (annotations_offset >= 0); | |
| 1891 } | |
| 1892 | |
| 1893 oop java_lang_reflect_Method::annotations(oop method) { | |
| 1894 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1895 assert(has_annotations_field(), "annotations field must be present"); | |
| 1896 return method->obj_field(annotations_offset); | |
| 1897 } | |
| 1898 | |
| 1899 void java_lang_reflect_Method::set_annotations(oop method, oop value) { | |
| 1900 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1901 assert(has_annotations_field(), "annotations field must be present"); | |
| 1902 method->obj_field_put(annotations_offset, value); | |
| 1903 } | |
| 1904 | |
| 1905 bool java_lang_reflect_Method::has_parameter_annotations_field() { | |
| 1906 return (parameter_annotations_offset >= 0); | |
| 1907 } | |
| 1908 | |
| 1909 oop java_lang_reflect_Method::parameter_annotations(oop method) { | |
| 1910 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1911 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 1912 return method->obj_field(parameter_annotations_offset); | |
| 1913 } | |
| 1914 | |
| 1915 void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) { | |
| 1916 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1917 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 1918 method->obj_field_put(parameter_annotations_offset, value); | |
| 1919 } | |
| 1920 | |
| 1921 bool java_lang_reflect_Method::has_annotation_default_field() { | |
| 1922 return (annotation_default_offset >= 0); | |
| 1923 } | |
| 1924 | |
| 1925 oop java_lang_reflect_Method::annotation_default(oop method) { | |
| 1926 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1927 assert(has_annotation_default_field(), "annotation default field must be present"); | |
| 1928 return method->obj_field(annotation_default_offset); | |
| 1929 } | |
| 1930 | |
| 1931 void java_lang_reflect_Method::set_annotation_default(oop method, oop value) { | |
| 1932 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1933 assert(has_annotation_default_field(), "annotation default field must be present"); | |
| 1934 method->obj_field_put(annotation_default_offset, value); | |
| 1935 } | |
| 1936 | |
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1937 bool java_lang_reflect_Method::has_type_annotations_field() { |
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1938 return (type_annotations_offset >= 0); |
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1939 } |
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1940 |
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1941 oop java_lang_reflect_Method::type_annotations(oop method) { |
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1942 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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1943 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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1944 return method->obj_field(type_annotations_offset); |
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1945 } |
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1946 |
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1947 void java_lang_reflect_Method::set_type_annotations(oop method, oop value) { |
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1948 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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1949 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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1950 method->obj_field_put(type_annotations_offset, value); |
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1951 } |
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1952 |
| 0 | 1953 void java_lang_reflect_Constructor::compute_offsets() { |
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1954 Klass* k = SystemDictionary::reflect_Constructor_klass(); |
|
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1955 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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1956 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
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1957 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
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1958 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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1959 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
| 0 | 1960 // The generic signature and annotations fields are only present in 1.5 |
| 1961 signature_offset = -1; | |
| 1962 annotations_offset = -1; | |
| 1963 parameter_annotations_offset = -1; | |
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1964 type_annotations_offset = -1; |
|
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1965 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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1966 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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1967 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
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1968 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
| 0 | 1969 } |
| 1970 | |
| 1971 Handle java_lang_reflect_Constructor::create(TRAPS) { | |
| 1972 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
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1973 Symbol* name = vmSymbols::java_lang_reflect_Constructor(); |
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1974 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
| 0 | 1975 instanceKlassHandle klass (THREAD, k); |
| 1976 // Ensure it is initialized | |
| 1977 klass->initialize(CHECK_NH); | |
| 1978 return klass->allocate_instance_handle(CHECK_NH); | |
| 1979 } | |
| 1980 | |
| 1981 oop java_lang_reflect_Constructor::clazz(oop reflect) { | |
| 1982 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1983 return reflect->obj_field(clazz_offset); | |
| 1984 } | |
| 1985 | |
| 1986 void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) { | |
| 1987 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1988 reflect->obj_field_put(clazz_offset, value); | |
| 1989 } | |
| 1990 | |
| 1991 oop java_lang_reflect_Constructor::parameter_types(oop constructor) { | |
| 1992 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1993 return constructor->obj_field(parameterTypes_offset); | |
| 1994 } | |
| 1995 | |
| 1996 void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) { | |
| 1997 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1998 constructor->obj_field_put(parameterTypes_offset, value); | |
| 1999 } | |
| 2000 | |
| 2001 oop java_lang_reflect_Constructor::exception_types(oop constructor) { | |
| 2002 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2003 return constructor->obj_field(exceptionTypes_offset); | |
| 2004 } | |
| 2005 | |
| 2006 void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) { | |
| 2007 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2008 constructor->obj_field_put(exceptionTypes_offset, value); | |
| 2009 } | |
| 2010 | |
| 2011 int java_lang_reflect_Constructor::slot(oop reflect) { | |
| 2012 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2013 return reflect->int_field(slot_offset); | |
| 2014 } | |
| 2015 | |
| 2016 void java_lang_reflect_Constructor::set_slot(oop reflect, int value) { | |
| 2017 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2018 reflect->int_field_put(slot_offset, value); | |
| 2019 } | |
| 2020 | |
| 2021 int java_lang_reflect_Constructor::modifiers(oop constructor) { | |
| 2022 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2023 return constructor->int_field(modifiers_offset); | |
| 2024 } | |
| 2025 | |
| 2026 void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) { | |
| 2027 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2028 constructor->int_field_put(modifiers_offset, value); | |
| 2029 } | |
| 2030 | |
| 2031 bool java_lang_reflect_Constructor::has_signature_field() { | |
| 2032 return (signature_offset >= 0); | |
| 2033 } | |
| 2034 | |
| 2035 oop java_lang_reflect_Constructor::signature(oop constructor) { | |
| 2036 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2037 assert(has_signature_field(), "signature field must be present"); | |
| 2038 return constructor->obj_field(signature_offset); | |
| 2039 } | |
| 2040 | |
| 2041 void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) { | |
| 2042 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2043 assert(has_signature_field(), "signature field must be present"); | |
| 2044 constructor->obj_field_put(signature_offset, value); | |
| 2045 } | |
| 2046 | |
| 2047 bool java_lang_reflect_Constructor::has_annotations_field() { | |
| 2048 return (annotations_offset >= 0); | |
| 2049 } | |
| 2050 | |
| 2051 oop java_lang_reflect_Constructor::annotations(oop constructor) { | |
| 2052 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2053 assert(has_annotations_field(), "annotations field must be present"); | |
| 2054 return constructor->obj_field(annotations_offset); | |
| 2055 } | |
| 2056 | |
| 2057 void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) { | |
| 2058 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2059 assert(has_annotations_field(), "annotations field must be present"); | |
| 2060 constructor->obj_field_put(annotations_offset, value); | |
| 2061 } | |
| 2062 | |
| 2063 bool java_lang_reflect_Constructor::has_parameter_annotations_field() { | |
| 2064 return (parameter_annotations_offset >= 0); | |
| 2065 } | |
| 2066 | |
| 2067 oop java_lang_reflect_Constructor::parameter_annotations(oop method) { | |
| 2068 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2069 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 2070 return method->obj_field(parameter_annotations_offset); | |
| 2071 } | |
| 2072 | |
| 2073 void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) { | |
| 2074 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2075 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 2076 method->obj_field_put(parameter_annotations_offset, value); | |
| 2077 } | |
| 2078 | |
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2079 bool java_lang_reflect_Constructor::has_type_annotations_field() { |
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2080 return (type_annotations_offset >= 0); |
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2081 } |
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2082 |
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2083 oop java_lang_reflect_Constructor::type_annotations(oop constructor) { |
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2084 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2085 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2086 return constructor->obj_field(type_annotations_offset); |
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2087 } |
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2088 |
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2089 void java_lang_reflect_Constructor::set_type_annotations(oop constructor, oop value) { |
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2090 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2091 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2092 constructor->obj_field_put(type_annotations_offset, value); |
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2093 } |
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2094 |
| 0 | 2095 void java_lang_reflect_Field::compute_offsets() { |
|
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2096 Klass* k = SystemDictionary::reflect_Field_klass(); |
|
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2097 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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2098 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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2099 compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature()); |
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2100 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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2101 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
| 0 | 2102 // The generic signature and annotations fields are only present in 1.5 |
| 2103 signature_offset = -1; | |
| 2104 annotations_offset = -1; | |
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2105 type_annotations_offset = -1; |
|
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2106 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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2107 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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2108 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
| 0 | 2109 } |
| 2110 | |
| 2111 Handle java_lang_reflect_Field::create(TRAPS) { | |
| 2112 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
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2113 Symbol* name = vmSymbols::java_lang_reflect_Field(); |
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2114 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
| 0 | 2115 instanceKlassHandle klass (THREAD, k); |
| 2116 // Ensure it is initialized | |
| 2117 klass->initialize(CHECK_NH); | |
| 2118 return klass->allocate_instance_handle(CHECK_NH); | |
| 2119 } | |
| 2120 | |
| 2121 oop java_lang_reflect_Field::clazz(oop reflect) { | |
| 2122 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2123 return reflect->obj_field(clazz_offset); | |
| 2124 } | |
| 2125 | |
| 2126 void java_lang_reflect_Field::set_clazz(oop reflect, oop value) { | |
| 2127 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2128 reflect->obj_field_put(clazz_offset, value); | |
| 2129 } | |
| 2130 | |
| 2131 oop java_lang_reflect_Field::name(oop field) { | |
| 2132 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2133 return field->obj_field(name_offset); | |
| 2134 } | |
| 2135 | |
| 2136 void java_lang_reflect_Field::set_name(oop field, oop value) { | |
| 2137 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2138 field->obj_field_put(name_offset, value); | |
| 2139 } | |
| 2140 | |
| 2141 oop java_lang_reflect_Field::type(oop field) { | |
| 2142 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2143 return field->obj_field(type_offset); | |
| 2144 } | |
| 2145 | |
| 2146 void java_lang_reflect_Field::set_type(oop field, oop value) { | |
| 2147 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2148 field->obj_field_put(type_offset, value); | |
| 2149 } | |
| 2150 | |
| 2151 int java_lang_reflect_Field::slot(oop reflect) { | |
| 2152 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2153 return reflect->int_field(slot_offset); | |
| 2154 } | |
| 2155 | |
| 2156 void java_lang_reflect_Field::set_slot(oop reflect, int value) { | |
| 2157 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2158 reflect->int_field_put(slot_offset, value); | |
| 2159 } | |
| 2160 | |
| 2161 int java_lang_reflect_Field::modifiers(oop field) { | |
| 2162 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2163 return field->int_field(modifiers_offset); | |
| 2164 } | |
| 2165 | |
| 2166 void java_lang_reflect_Field::set_modifiers(oop field, int value) { | |
| 2167 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2168 field->int_field_put(modifiers_offset, value); | |
| 2169 } | |
| 2170 | |
| 2171 bool java_lang_reflect_Field::has_signature_field() { | |
| 2172 return (signature_offset >= 0); | |
| 2173 } | |
| 2174 | |
| 2175 oop java_lang_reflect_Field::signature(oop field) { | |
| 2176 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2177 assert(has_signature_field(), "signature field must be present"); | |
| 2178 return field->obj_field(signature_offset); | |
| 2179 } | |
| 2180 | |
| 2181 void java_lang_reflect_Field::set_signature(oop field, oop value) { | |
| 2182 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2183 assert(has_signature_field(), "signature field must be present"); | |
| 2184 field->obj_field_put(signature_offset, value); | |
| 2185 } | |
| 2186 | |
| 2187 bool java_lang_reflect_Field::has_annotations_field() { | |
| 2188 return (annotations_offset >= 0); | |
| 2189 } | |
| 2190 | |
| 2191 oop java_lang_reflect_Field::annotations(oop field) { | |
| 2192 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2193 assert(has_annotations_field(), "annotations field must be present"); | |
| 2194 return field->obj_field(annotations_offset); | |
| 2195 } | |
| 2196 | |
| 2197 void java_lang_reflect_Field::set_annotations(oop field, oop value) { | |
| 2198 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2199 assert(has_annotations_field(), "annotations field must be present"); | |
| 2200 field->obj_field_put(annotations_offset, value); | |
| 2201 } | |
| 2202 | |
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2203 bool java_lang_reflect_Field::has_type_annotations_field() { |
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2204 return (type_annotations_offset >= 0); |
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2205 } |
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2206 |
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2207 oop java_lang_reflect_Field::type_annotations(oop field) { |
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2208 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2209 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2210 return field->obj_field(type_annotations_offset); |
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2211 } |
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2212 |
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2213 void java_lang_reflect_Field::set_type_annotations(oop field, oop value) { |
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2214 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2215 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2216 field->obj_field_put(type_annotations_offset, value); |
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2217 } |
| 0 | 2218 |
| 2219 void sun_reflect_ConstantPool::compute_offsets() { | |
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2220 Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
| 0 | 2221 // This null test can be removed post beta |
| 2222 if (k != NULL) { | |
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2223 // The field is called ConstantPool* in the sun.reflect.ConstantPool class. |
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2224 compute_offset(_oop_offset, k, vmSymbols::ConstantPool_name(), vmSymbols::object_signature()); |
| 0 | 2225 } |
| 2226 } | |
| 2227 | |
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2228 void java_lang_reflect_Parameter::compute_offsets() { |
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2229 Klass* k = SystemDictionary::reflect_Parameter_klass(); |
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2230 if(NULL != k) { |
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2231 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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2232 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
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2233 compute_offset(index_offset, k, vmSymbols::index_name(), vmSymbols::int_signature()); |
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2234 compute_offset(executable_offset, k, vmSymbols::executable_name(), vmSymbols::executable_signature()); |
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2235 } |
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2236 } |
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2237 |
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2238 Handle java_lang_reflect_Parameter::create(TRAPS) { |
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2239 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2240 Symbol* name = vmSymbols::java_lang_reflect_Parameter(); |
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2241 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
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2242 instanceKlassHandle klass (THREAD, k); |
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2243 // Ensure it is initialized |
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2244 klass->initialize(CHECK_NH); |
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2245 return klass->allocate_instance_handle(CHECK_NH); |
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2246 } |
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2247 |
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2248 oop java_lang_reflect_Parameter::name(oop param) { |
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2249 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2250 return param->obj_field(name_offset); |
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2251 } |
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2252 |
|
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2253 void java_lang_reflect_Parameter::set_name(oop param, oop value) { |
|
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|
2254 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2255 param->obj_field_put(name_offset, value); |
|
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|
2256 } |
|
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|
2257 |
|
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|
2258 int java_lang_reflect_Parameter::modifiers(oop param) { |
|
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|
2259 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2260 return param->int_field(modifiers_offset); |
|
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|
2261 } |
|
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|
2262 |
|
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|
2263 void java_lang_reflect_Parameter::set_modifiers(oop param, int value) { |
|
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|
2264 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2265 param->int_field_put(modifiers_offset, value); |
|
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|
2266 } |
|
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|
2267 |
|
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|
2268 int java_lang_reflect_Parameter::index(oop param) { |
|
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|
2269 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2270 return param->int_field(index_offset); |
|
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|
2271 } |
|
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|
2272 |
|
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|
2273 void java_lang_reflect_Parameter::set_index(oop param, int value) { |
|
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|
2274 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2275 param->int_field_put(index_offset, value); |
|
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|
2276 } |
|
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|
2277 |
|
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|
2278 oop java_lang_reflect_Parameter::executable(oop param) { |
|
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|
2279 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2280 return param->obj_field(executable_offset); |
|
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|
2281 } |
|
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|
2282 |
|
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|
2283 void java_lang_reflect_Parameter::set_executable(oop param, oop value) { |
|
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|
2284 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2285 param->obj_field_put(executable_offset, value); |
|
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|
2286 } |
|
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|
2287 |
| 0 | 2288 |
| 2289 Handle sun_reflect_ConstantPool::create(TRAPS) { | |
| 2290 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
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|
2291 Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
| 0 | 2292 instanceKlassHandle klass (THREAD, k); |
| 2293 // Ensure it is initialized | |
| 2294 klass->initialize(CHECK_NH); | |
| 2295 return klass->allocate_instance_handle(CHECK_NH); | |
| 2296 } | |
| 2297 | |
| 2298 | |
|
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|
2299 void sun_reflect_ConstantPool::set_cp(oop reflect, ConstantPool* value) { |
| 0 | 2300 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
6725
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|
2301 oop mirror = value->pool_holder()->java_mirror(); |
|
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|
2302 // Save the mirror to get back the constant pool. |
|
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|
2303 reflect->obj_field_put(_oop_offset, mirror); |
| 0 | 2304 } |
| 2305 | |
|
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|
2306 ConstantPool* sun_reflect_ConstantPool::get_cp(oop reflect) { |
| 0 | 2307 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
6725
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|
2308 |
|
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|
2309 oop mirror = reflect->obj_field(_oop_offset); |
|
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|
2310 Klass* k = java_lang_Class::as_Klass(mirror); |
|
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|
2311 assert(k->oop_is_instance(), "Must be"); |
|
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|
2312 |
|
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|
2313 // Get the constant pool back from the klass. Since class redefinition |
|
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|
2314 // merges the new constant pool into the old, this is essentially the |
|
da91efe96a93
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|
2315 // same constant pool as the original. If constant pool merging is |
|
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2316 // no longer done in the future, this will have to change to save |
|
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|
2317 // the original. |
|
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|
2318 return InstanceKlass::cast(k)->constants(); |
| 0 | 2319 } |
| 2320 | |
| 2321 void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() { | |
|
6725
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|
2322 Klass* k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(); |
| 0 | 2323 // This null test can be removed post beta |
| 2324 if (k != NULL) { | |
|
132
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|
2325 compute_offset(_base_offset, k, |
| 0 | 2326 vmSymbols::base_name(), vmSymbols::object_signature()); |
| 2327 } | |
| 2328 } | |
| 2329 | |
|
132
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2330 oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) { |
|
6725
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2331 Klass* k = SystemDictionary::box_klass(type); |
|
132
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|
2332 if (k == NULL) return NULL; |
|
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|
2333 instanceKlassHandle h (THREAD, k); |
|
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|
2334 if (!h->is_initialized()) h->initialize(CHECK_0); |
|
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|
2335 return h->allocate_instance(THREAD); |
| 0 | 2336 } |
| 2337 | |
| 2338 | |
| 2339 oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) { | |
|
132
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|
2340 oop box = initialize_and_allocate(type, CHECK_0); |
|
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|
2341 if (box == NULL) return NULL; |
| 0 | 2342 switch (type) { |
| 2343 case T_BOOLEAN: | |
| 2344 box->bool_field_put(value_offset, value->z); | |
| 2345 break; | |
| 2346 case T_CHAR: | |
| 2347 box->char_field_put(value_offset, value->c); | |
| 2348 break; | |
| 2349 case T_FLOAT: | |
| 2350 box->float_field_put(value_offset, value->f); | |
| 2351 break; | |
| 2352 case T_DOUBLE: | |
|
165
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|
2353 box->double_field_put(long_value_offset, value->d); |
| 0 | 2354 break; |
| 2355 case T_BYTE: | |
| 2356 box->byte_field_put(value_offset, value->b); | |
| 2357 break; | |
| 2358 case T_SHORT: | |
| 2359 box->short_field_put(value_offset, value->s); | |
| 2360 break; | |
| 2361 case T_INT: | |
| 2362 box->int_field_put(value_offset, value->i); | |
| 2363 break; | |
| 2364 case T_LONG: | |
|
165
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diff
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|
2365 box->long_field_put(long_value_offset, value->j); |
| 0 | 2366 break; |
| 2367 default: | |
| 2368 return NULL; | |
| 2369 } | |
| 2370 return box; | |
| 2371 } | |
| 2372 | |
| 2373 | |
|
132
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|
2374 BasicType java_lang_boxing_object::basic_type(oop box) { |
|
60b728ec77c1
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diff
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|
2375 if (box == NULL) return T_ILLEGAL; |
|
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|
2376 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
|
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|
2377 if (type == T_OBJECT) // 'unknown' value returned by SD::bkt |
|
60b728ec77c1
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jrose
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113
diff
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|
2378 return T_ILLEGAL; |
|
60b728ec77c1
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jrose
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113
diff
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|
2379 return type; |
|
60b728ec77c1
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113
diff
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|
2380 } |
|
60b728ec77c1
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diff
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|
2381 |
|
60b728ec77c1
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|
2382 |
| 0 | 2383 BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) { |
|
132
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|
2384 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
|
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|
2385 switch (type) { |
|
60b728ec77c1
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|
2386 case T_BOOLEAN: |
| 0 | 2387 value->z = box->bool_field(value_offset); |
|
132
60b728ec77c1
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|
2388 break; |
|
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6652736: well known classes in system dictionary are inefficiently processed
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113
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|
2389 case T_CHAR: |
| 0 | 2390 value->c = box->char_field(value_offset); |
|
132
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|
2391 break; |
|
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113
diff
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|
2392 case T_FLOAT: |
| 0 | 2393 value->f = box->float_field(value_offset); |
|
132
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|
2394 break; |
|
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113
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|
2395 case T_DOUBLE: |
|
165
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|
2396 value->d = box->double_field(long_value_offset); |
|
132
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|
2397 break; |
|
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113
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|
2398 case T_BYTE: |
| 0 | 2399 value->b = box->byte_field(value_offset); |
|
132
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|
2400 break; |
|
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|
2401 case T_SHORT: |
| 0 | 2402 value->s = box->short_field(value_offset); |
|
132
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|
2403 break; |
|
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|
2404 case T_INT: |
| 0 | 2405 value->i = box->int_field(value_offset); |
|
132
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|
2406 break; |
|
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|
2407 case T_LONG: |
|
165
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|
2408 value->j = box->long_field(long_value_offset); |
|
132
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|
2409 break; |
|
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113
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|
2410 default: |
|
60b728ec77c1
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|
2411 return T_ILLEGAL; |
|
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|
2412 } // end switch |
|
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|
2413 return type; |
| 0 | 2414 } |
| 2415 | |
| 2416 | |
| 2417 BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) { | |
|
132
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|
2418 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
|
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|
2419 switch (type) { |
|
60b728ec77c1
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|
2420 case T_BOOLEAN: |
| 0 | 2421 box->bool_field_put(value_offset, value->z); |
|
132
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|
2422 break; |
|
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|
2423 case T_CHAR: |
| 0 | 2424 box->char_field_put(value_offset, value->c); |
|
132
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|
2425 break; |
|
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|
2426 case T_FLOAT: |
| 0 | 2427 box->float_field_put(value_offset, value->f); |
|
132
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|
2428 break; |
|
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|
2429 case T_DOUBLE: |
|
165
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|
2430 box->double_field_put(long_value_offset, value->d); |
|
132
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|
2431 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2432 case T_BYTE: |
| 0 | 2433 box->byte_field_put(value_offset, value->b); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2434 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2435 case T_SHORT: |
| 0 | 2436 box->short_field_put(value_offset, value->s); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2437 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2438 case T_INT: |
| 0 | 2439 box->int_field_put(value_offset, value->i); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2440 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2441 case T_LONG: |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2442 box->long_field_put(long_value_offset, value->j); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2443 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2444 default: |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2445 return T_ILLEGAL; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2446 } // end switch |
|
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2447 return type; |
| 0 | 2448 } |
| 2449 | |
| 2450 | |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2451 void java_lang_boxing_object::print(BasicType type, jvalue* value, outputStream* st) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2452 switch (type) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2453 case T_BOOLEAN: st->print("%s", value->z ? "true" : "false"); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2454 case T_CHAR: st->print("%d", value->c); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2455 case T_BYTE: st->print("%d", value->b); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2456 case T_SHORT: st->print("%d", value->s); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2457 case T_INT: st->print("%d", value->i); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2458 case T_LONG: st->print(INT64_FORMAT, value->j); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2459 case T_FLOAT: st->print("%f", value->f); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2460 case T_DOUBLE: st->print("%lf", value->d); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2461 default: st->print("type %d?", type); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2462 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2463 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2464 |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2465 |
| 0 | 2466 // Support for java_lang_ref_Reference |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2467 HeapWord *java_lang_ref_Reference::pending_list_lock_addr() { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2468 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2469 address addr = ik->static_field_addr(static_lock_offset); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2470 return (HeapWord*) addr; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2471 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
changeset
|
2472 |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2473 oop java_lang_ref_Reference::pending_list_lock() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2474 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2475 address addr = ik->static_field_addr(static_lock_offset); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2476 if (UseCompressedOops) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2477 return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2478 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2479 return oopDesc::load_decode_heap_oop((oop*)addr); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2480 } |
| 0 | 2481 } |
| 2482 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2483 HeapWord *java_lang_ref_Reference::pending_list_addr() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2484 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2485 address addr = ik->static_field_addr(static_pending_offset); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2486 // XXX This might not be HeapWord aligned, almost rather be char *. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2487 return (HeapWord*)addr; |
| 0 | 2488 } |
| 2489 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2490 oop java_lang_ref_Reference::pending_list() { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2491 char *addr = (char *)pending_list_addr(); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2492 if (UseCompressedOops) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2493 return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2494 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2495 return oopDesc::load_decode_heap_oop((oop*)addr); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2496 } |
| 0 | 2497 } |
| 2498 | |
| 2499 | |
| 2500 // Support for java_lang_ref_SoftReference | |
| 2501 | |
| 2502 jlong java_lang_ref_SoftReference::timestamp(oop ref) { | |
| 2503 return ref->long_field(timestamp_offset); | |
| 2504 } | |
| 2505 | |
| 2506 jlong java_lang_ref_SoftReference::clock() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2507 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass()); |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2508 jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2509 return *offset; |
| 0 | 2510 } |
| 2511 | |
| 2512 void java_lang_ref_SoftReference::set_clock(jlong value) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2513 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass()); |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2514 jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
2515 *offset = value; |
| 0 | 2516 } |
| 2517 | |
| 2518 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2519 // Support for java_lang_invoke_MethodHandle |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2520 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2521 int java_lang_invoke_MethodHandle::_type_offset; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2522 int java_lang_invoke_MethodHandle::_form_offset; |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2523 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2524 int java_lang_invoke_MemberName::_clazz_offset; |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2525 int java_lang_invoke_MemberName::_name_offset; |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2526 int java_lang_invoke_MemberName::_type_offset; |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2527 int java_lang_invoke_MemberName::_flags_offset; |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2528 int java_lang_invoke_MemberName::_vmtarget_offset; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2529 int java_lang_invoke_MemberName::_vmloader_offset; |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2530 int java_lang_invoke_MemberName::_vmindex_offset; |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2531 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2532 int java_lang_invoke_LambdaForm::_vmentry_offset; |
|
3905
c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
3900
diff
changeset
|
2533 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2534 void java_lang_invoke_MethodHandle::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2535 Klass* klass_oop = SystemDictionary::MethodHandle_klass(); |
| 3938 | 2536 if (klass_oop != NULL && EnableInvokeDynamic) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2537 compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::java_lang_invoke_MethodType_signature()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2538 compute_optional_offset(_form_offset, klass_oop, vmSymbols::form_name(), vmSymbols::java_lang_invoke_LambdaForm_signature()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2539 if (_form_offset == 0) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2540 EnableInvokeDynamic = false; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2541 } |
| 710 | 2542 } |
| 2543 } | |
| 2544 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2545 void java_lang_invoke_MemberName::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2546 Klass* klass_oop = SystemDictionary::MemberName_klass(); |
| 3938 | 2547 if (klass_oop != NULL && EnableInvokeDynamic) { |
| 2548 compute_offset(_clazz_offset, klass_oop, vmSymbols::clazz_name(), vmSymbols::class_signature()); | |
| 2549 compute_offset(_name_offset, klass_oop, vmSymbols::name_name(), vmSymbols::string_signature()); | |
| 2550 compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::object_signature()); | |
| 2551 compute_offset(_flags_offset, klass_oop, vmSymbols::flags_name(), vmSymbols::int_signature()); | |
| 2552 MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
| 710 | 2553 } |
| 2554 } | |
| 2555 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2556 void java_lang_invoke_LambdaForm::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2557 Klass* klass_oop = SystemDictionary::LambdaForm_klass(); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2558 if (klass_oop != NULL && EnableInvokeDynamic) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2559 compute_offset(_vmentry_offset, klass_oop, vmSymbols::vmentry_name(), vmSymbols::java_lang_invoke_MemberName_signature()); |
| 710 | 2560 } |
| 2561 } | |
| 2562 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2563 oop java_lang_invoke_MethodHandle::type(oop mh) { |
| 710 | 2564 return mh->obj_field(_type_offset); |
| 2565 } | |
| 2566 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2567 void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) { |
| 710 | 2568 mh->obj_field_put(_type_offset, mtype); |
| 2569 } | |
| 2570 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2571 oop java_lang_invoke_MethodHandle::form(oop mh) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2572 assert(_form_offset != 0, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2573 return mh->obj_field(_form_offset); |
| 710 | 2574 } |
| 2575 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2576 void java_lang_invoke_MethodHandle::set_form(oop mh, oop lform) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2577 assert(_form_offset != 0, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2578 mh->obj_field_put(_form_offset, lform); |
| 710 | 2579 } |
| 2580 | |
| 2581 /// MemberName accessors | |
| 2582 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2583 oop java_lang_invoke_MemberName::clazz(oop mname) { |
| 710 | 2584 assert(is_instance(mname), "wrong type"); |
| 2585 return mname->obj_field(_clazz_offset); | |
| 2586 } | |
| 2587 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2588 void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) { |
| 710 | 2589 assert(is_instance(mname), "wrong type"); |
| 2590 mname->obj_field_put(_clazz_offset, clazz); | |
| 2591 } | |
| 2592 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2593 oop java_lang_invoke_MemberName::name(oop mname) { |
| 710 | 2594 assert(is_instance(mname), "wrong type"); |
| 2595 return mname->obj_field(_name_offset); | |
| 2596 } | |
| 2597 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2598 void java_lang_invoke_MemberName::set_name(oop mname, oop name) { |
| 710 | 2599 assert(is_instance(mname), "wrong type"); |
| 2600 mname->obj_field_put(_name_offset, name); | |
| 2601 } | |
| 2602 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2603 oop java_lang_invoke_MemberName::type(oop mname) { |
| 710 | 2604 assert(is_instance(mname), "wrong type"); |
| 2605 return mname->obj_field(_type_offset); | |
| 2606 } | |
| 2607 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2608 void java_lang_invoke_MemberName::set_type(oop mname, oop type) { |
| 710 | 2609 assert(is_instance(mname), "wrong type"); |
| 2610 mname->obj_field_put(_type_offset, type); | |
| 2611 } | |
| 2612 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2613 int java_lang_invoke_MemberName::flags(oop mname) { |
| 710 | 2614 assert(is_instance(mname), "wrong type"); |
| 2615 return mname->int_field(_flags_offset); | |
| 2616 } | |
| 2617 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2618 void java_lang_invoke_MemberName::set_flags(oop mname, int flags) { |
| 710 | 2619 assert(is_instance(mname), "wrong type"); |
| 2620 mname->int_field_put(_flags_offset, flags); | |
| 2621 } | |
| 2622 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2623 Metadata* java_lang_invoke_MemberName::vmtarget(oop mname) { |
| 710 | 2624 assert(is_instance(mname), "wrong type"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2625 return (Metadata*)mname->address_field(_vmtarget_offset); |
| 710 | 2626 } |
| 2627 | |
|
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2628 #if INCLUDE_JVMTI |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2629 // Can be executed on VM thread only |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2630 void java_lang_invoke_MemberName::adjust_vmtarget(oop mname, Metadata* ref) { |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2631 assert((is_instance(mname) && (flags(mname) & (MN_IS_METHOD | MN_IS_CONSTRUCTOR)) > 0), "wrong type"); |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2632 assert(Thread::current()->is_VM_thread(), "not VM thread"); |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2633 mname->address_field_put(_vmtarget_offset, (address)ref); |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2634 } |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2635 #endif // INCLUDE_JVMTI |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2636 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2637 void java_lang_invoke_MemberName::set_vmtarget(oop mname, Metadata* ref) { |
| 710 | 2638 assert(is_instance(mname), "wrong type"); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2639 // check the type of the vmtarget |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2640 oop dependency = NULL; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2641 if (ref != NULL) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2642 switch (flags(mname) & (MN_IS_METHOD | |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2643 MN_IS_CONSTRUCTOR | |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2644 MN_IS_FIELD)) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2645 case MN_IS_METHOD: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2646 case MN_IS_CONSTRUCTOR: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2647 assert(ref->is_method(), "should be a method"); |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2648 dependency = ((Method*)ref)->method_holder()->java_mirror(); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2649 break; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2650 case MN_IS_FIELD: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2651 assert(ref->is_klass(), "should be a class"); |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2652 dependency = ((Klass*)ref)->java_mirror(); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2653 break; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2654 default: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2655 ShouldNotReachHere(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2656 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2657 } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2658 mname->address_field_put(_vmtarget_offset, (address)ref); |
|
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2659 // Add a reference to the loader (actually mirror because anonymous classes will not have |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2660 // distinct loaders) to ensure the metadata is kept alive |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2661 // This mirror may be different than the one in clazz field. |
|
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2662 mname->obj_field_put(_vmloader_offset, dependency); |
| 710 | 2663 } |
| 2664 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2665 intptr_t java_lang_invoke_MemberName::vmindex(oop mname) { |
| 710 | 2666 assert(is_instance(mname), "wrong type"); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2667 return (intptr_t) mname->address_field(_vmindex_offset); |
| 710 | 2668 } |
| 2669 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2670 void java_lang_invoke_MemberName::set_vmindex(oop mname, intptr_t index) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2671 assert(is_instance(mname), "wrong type"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2672 mname->address_field_put(_vmindex_offset, (address) index); |
| 710 | 2673 } |
| 2674 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2675 oop java_lang_invoke_LambdaForm::vmentry(oop lform) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2676 assert(is_instance(lform), "wrong type"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2677 return lform->obj_field(_vmentry_offset); |
| 710 | 2678 } |
| 2679 | |
| 2680 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2681 // Support for java_lang_invoke_MethodType |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2682 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2683 int java_lang_invoke_MethodType::_rtype_offset; |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2684 int java_lang_invoke_MethodType::_ptypes_offset; |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2685 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2686 void java_lang_invoke_MethodType::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2687 Klass* k = SystemDictionary::MethodType_klass(); |
| 710 | 2688 if (k != NULL) { |
| 2689 compute_offset(_rtype_offset, k, vmSymbols::rtype_name(), vmSymbols::class_signature()); | |
| 2690 compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature()); | |
| 2691 } | |
| 2692 } | |
| 2693 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2694 void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) { |
| 710 | 2695 st->print("("); |
| 2696 objArrayOop pts = ptypes(mt); | |
| 2697 for (int i = 0, limit = pts->length(); i < limit; i++) { | |
| 2698 java_lang_Class::print_signature(pts->obj_at(i), st); | |
| 2699 } | |
| 2700 st->print(")"); | |
| 2701 java_lang_Class::print_signature(rtype(mt), st); | |
| 2702 } | |
| 2703 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2704 Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) { |
| 710 | 2705 ResourceMark rm; |
| 2706 stringStream buffer(128); | |
| 2707 print_signature(mt, &buffer); | |
| 2708 const char* sigstr = buffer.base(); | |
| 2709 int siglen = (int) buffer.size(); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2710 Symbol *name; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2711 if (!intern_if_not_found) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2712 name = SymbolTable::probe(sigstr, siglen); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2713 } else { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2714 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2715 } |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2716 return name; |
| 710 | 2717 } |
| 2718 | |
|
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2719 bool java_lang_invoke_MethodType::equals(oop mt1, oop mt2) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2720 if (mt1 == mt2) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2721 return true; |
|
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2722 if (rtype(mt1) != rtype(mt2)) |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2723 return false; |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2724 if (ptype_count(mt1) != ptype_count(mt2)) |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2725 return false; |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2726 for (int i = ptype_count(mt1) - 1; i >= 0; i--) { |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2727 if (ptype(mt1, i) != ptype(mt2, i)) |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2728 return false; |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2729 } |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2730 return true; |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2731 } |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2732 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2733 oop java_lang_invoke_MethodType::rtype(oop mt) { |
| 710 | 2734 assert(is_instance(mt), "must be a MethodType"); |
| 2735 return mt->obj_field(_rtype_offset); | |
| 2736 } | |
| 2737 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2738 objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) { |
| 710 | 2739 assert(is_instance(mt), "must be a MethodType"); |
| 2740 return (objArrayOop) mt->obj_field(_ptypes_offset); | |
| 2741 } | |
| 2742 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2743 oop java_lang_invoke_MethodType::ptype(oop mt, int idx) { |
| 710 | 2744 return ptypes(mt)->obj_at(idx); |
| 2745 } | |
| 2746 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2747 int java_lang_invoke_MethodType::ptype_count(oop mt) { |
|
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2748 return ptypes(mt)->length(); |
|
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2749 } |
|
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2750 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2751 int java_lang_invoke_MethodType::ptype_slot_count(oop mt) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2752 objArrayOop pts = ptypes(mt); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2753 int count = pts->length(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2754 int slots = 0; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2755 for (int i = 0; i < count; i++) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2756 BasicType bt = java_lang_Class::as_BasicType(pts->obj_at(i)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2757 slots += type2size[bt]; |
| 710 | 2758 } |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2759 return slots; |
| 710 | 2760 } |
| 2761 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2762 int java_lang_invoke_MethodType::rtype_slot_count(oop mt) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2763 BasicType bt = java_lang_Class::as_BasicType(rtype(mt)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2764 return type2size[bt]; |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
2765 } |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
2766 |
| 710 | 2767 |
|
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|
2768 // Support for java_lang_invoke_CallSite |
|
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|
2769 |
|
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|
2770 int java_lang_invoke_CallSite::_target_offset; |
|
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|
2771 |
|
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|
2772 void java_lang_invoke_CallSite::compute_offsets() { |
|
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|
2773 if (!EnableInvokeDynamic) return; |
|
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|
2774 Klass* k = SystemDictionary::CallSite_klass(); |
|
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|
2775 if (k != NULL) { |
|
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|
2776 compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature()); |
|
726
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|
2777 } |
|
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|
2778 } |
|
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|
2779 |
| 710 | 2780 |
| 0 | 2781 // Support for java_security_AccessControlContext |
| 2782 | |
| 2783 int java_security_AccessControlContext::_context_offset = 0; | |
| 2784 int java_security_AccessControlContext::_privilegedContext_offset = 0; | |
| 2785 int java_security_AccessControlContext::_isPrivileged_offset = 0; | |
| 11010 | 2786 int java_security_AccessControlContext::_isAuthorized_offset = -1; |
| 0 | 2787 |
| 2788 void java_security_AccessControlContext::compute_offsets() { | |
| 2789 assert(_isPrivileged_offset == 0, "offsets should be initialized only once"); | |
| 2790 fieldDescriptor fd; | |
|
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|
2791 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass()); |
| 0 | 2792 |
| 2793 if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) { | |
| 2794 fatal("Invalid layout of java.security.AccessControlContext"); | |
| 2795 } | |
| 2796 _context_offset = fd.offset(); | |
| 2797 | |
| 2798 if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) { | |
| 2799 fatal("Invalid layout of java.security.AccessControlContext"); | |
| 2800 } | |
| 2801 _privilegedContext_offset = fd.offset(); | |
| 2802 | |
| 2803 if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) { | |
| 2804 fatal("Invalid layout of java.security.AccessControlContext"); | |
| 2805 } | |
| 2806 _isPrivileged_offset = fd.offset(); | |
| 11010 | 2807 |
| 2808 // The offset may not be present for bootstrapping with older JDK. | |
| 2809 if (ik->find_local_field(vmSymbols::isAuthorized_name(), vmSymbols::bool_signature(), &fd)) { | |
| 2810 _isAuthorized_offset = fd.offset(); | |
| 2811 } | |
| 0 | 2812 } |
| 2813 | |
| 2814 | |
| 11010 | 2815 bool java_security_AccessControlContext::is_authorized(Handle context) { |
| 2816 assert(context.not_null() && context->klass() == SystemDictionary::AccessControlContext_klass(), "Invalid type"); | |
| 2817 assert(_isAuthorized_offset != -1, "should be set"); | |
| 2818 return context->bool_field(_isAuthorized_offset) != 0; | |
| 2819 } | |
| 2820 | |
| 0 | 2821 oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) { |
| 2822 assert(_isPrivileged_offset != 0, "offsets should have been initialized"); | |
| 2823 // Ensure klass is initialized | |
|
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|
2824 InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0); |
| 0 | 2825 // Allocate result |
|
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|
2826 oop result = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0); |
| 0 | 2827 // Fill in values |
| 2828 result->obj_field_put(_context_offset, context()); | |
| 2829 result->obj_field_put(_privilegedContext_offset, privileged_context()); | |
| 2830 result->bool_field_put(_isPrivileged_offset, isPrivileged); | |
|
11011
be131aa5a529
8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
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|
2831 // whitelist AccessControlContexts created by the JVM if present |
|
be131aa5a529
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|
2832 if (_isAuthorized_offset != -1) { |
|
be131aa5a529
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11010
diff
changeset
|
2833 result->bool_field_put(_isAuthorized_offset, true); |
|
be131aa5a529
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11010
diff
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|
2834 } |
| 0 | 2835 return result; |
| 2836 } | |
| 2837 | |
| 2838 | |
| 2839 // Support for java_lang_ClassLoader | |
|
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|
2840 |
| 3938 | 2841 bool java_lang_ClassLoader::offsets_computed = false; |
|
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|
2842 int java_lang_ClassLoader::_loader_data_offset = -1; |
| 3938 | 2843 int java_lang_ClassLoader::parallelCapable_offset = -1; |
| 2844 | |
|
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|
2845 ClassLoaderData** java_lang_ClassLoader::loader_data_addr(oop loader) { |
|
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|
2846 assert(loader != NULL && loader->is_oop(), "loader must be oop"); |
|
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|
2847 return (ClassLoaderData**) loader->address_field_addr(_loader_data_offset); |
|
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|
2848 } |
|
da91efe96a93
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|
2849 |
|
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|
2850 ClassLoaderData* java_lang_ClassLoader::loader_data(oop loader) { |
|
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|
2851 return *java_lang_ClassLoader::loader_data_addr(loader); |
|
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|
2852 } |
|
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|
2853 |
| 3938 | 2854 void java_lang_ClassLoader::compute_offsets() { |
| 2855 assert(!offsets_computed, "offsets should be initialized only once"); | |
| 2856 offsets_computed = true; | |
| 2857 | |
| 2858 // The field indicating parallelCapable (parallelLockMap) is only present starting in 7, | |
|
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|
2859 Klass* k1 = SystemDictionary::ClassLoader_klass(); |
| 3938 | 2860 compute_optional_offset(parallelCapable_offset, |
| 2861 k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature()); | |
|
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|
2862 |
|
da91efe96a93
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|
2863 CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
| 3938 | 2864 } |
| 0 | 2865 |
| 2866 oop java_lang_ClassLoader::parent(oop loader) { | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2867 assert(is_instance(loader), "loader must be oop"); |
| 0 | 2868 return loader->obj_field(parent_offset); |
| 2869 } | |
| 2870 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
changeset
|
2871 bool java_lang_ClassLoader::isAncestor(oop loader, oop cl) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2872 assert(is_instance(loader), "loader must be oop"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2873 assert(cl == NULL || is_instance(cl), "cl argument must be oop"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
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|
2874 oop acl = loader; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2875 debug_only(jint loop_count = 0); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
changeset
|
2876 // This loop taken verbatim from ClassLoader.java: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2877 do { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
changeset
|
2878 acl = parent(acl); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2879 if (cl == acl) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2880 return true; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2881 } |
|
1d7922586cf6
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twisti
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6224
diff
changeset
|
2882 assert(++loop_count > 0, "loop_count overflow"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
changeset
|
2883 } while (acl != NULL); |
|
1d7922586cf6
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twisti
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6224
diff
changeset
|
2884 return false; |
|
1d7922586cf6
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6224
diff
changeset
|
2885 } |
|
1d7922586cf6
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6224
diff
changeset
|
2886 |
| 0 | 2887 |
| 3938 | 2888 // For class loader classes, parallelCapable defined |
| 2889 // based on non-null field | |
| 2890 // Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it | |
| 2891 bool java_lang_ClassLoader::parallelCapable(oop class_loader) { | |
| 2892 if (!JDK_Version::is_gte_jdk17x_version() | |
| 2893 || parallelCapable_offset == -1) { | |
| 2894 // Default for backward compatibility is false | |
| 2895 return false; | |
| 2896 } | |
| 2897 return (class_loader->obj_field(parallelCapable_offset) != NULL); | |
| 2898 } | |
| 2899 | |
| 0 | 2900 bool java_lang_ClassLoader::is_trusted_loader(oop loader) { |
| 2901 // Fix for 4474172; see evaluation for more details | |
| 2902 loader = non_reflection_class_loader(loader); | |
| 2903 | |
| 2904 oop cl = SystemDictionary::java_system_loader(); | |
| 2905 while(cl != NULL) { | |
| 2906 if (cl == loader) return true; | |
| 2907 cl = parent(cl); | |
| 2908 } | |
| 2909 return false; | |
| 2910 } | |
| 2911 | |
| 2912 oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) { | |
| 2913 if (loader != NULL) { | |
| 2914 // See whether this is one of the class loaders associated with | |
| 2915 // the generated bytecodes for reflection, and if so, "magically" | |
| 2916 // delegate to its parent to prevent class loading from occurring | |
| 2917 // in places where applications using reflection didn't expect it. | |
|
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|
2918 Klass* delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass(); |
| 0 | 2919 // This might be null in non-1.4 JDKs |
| 2920 if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) { | |
| 2921 return parent(loader); | |
| 2922 } | |
| 2923 } | |
| 2924 return loader; | |
| 2925 } | |
| 2926 | |
| 2927 | |
| 2928 // Support for java_lang_System | |
| 2929 int java_lang_System::in_offset_in_bytes() { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
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6725
diff
changeset
|
2930 return (InstanceMirrorKlass::offset_of_static_fields() + static_in_offset); |
| 0 | 2931 } |
| 2932 | |
| 2933 | |
| 2934 int java_lang_System::out_offset_in_bytes() { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
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6725
diff
changeset
|
2935 return (InstanceMirrorKlass::offset_of_static_fields() + static_out_offset); |
| 0 | 2936 } |
| 2937 | |
| 2938 | |
| 2939 int java_lang_System::err_offset_in_bytes() { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
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6725
diff
changeset
|
2940 return (InstanceMirrorKlass::offset_of_static_fields() + static_err_offset); |
| 0 | 2941 } |
| 2942 | |
| 2943 | |
| 11010 | 2944 bool java_lang_System::has_security_manager() { |
| 2945 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::System_klass()); | |
| 2946 address addr = ik->static_field_addr(static_security_offset); | |
| 2947 if (UseCompressedOops) { | |
| 2948 return oopDesc::load_decode_heap_oop((narrowOop *)addr) != NULL; | |
| 2949 } else { | |
| 2950 return oopDesc::load_decode_heap_oop((oop*)addr) != NULL; | |
| 2951 } | |
| 2952 } | |
| 0 | 2953 |
| 3938 | 2954 int java_lang_Class::_klass_offset; |
| 2955 int java_lang_Class::_array_klass_offset; | |
| 2956 int java_lang_Class::_oop_size_offset; | |
| 2957 int java_lang_Class::_static_oop_field_count_offset; | |
|
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|
2958 GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL; |
| 0 | 2959 int java_lang_Throwable::backtrace_offset; |
| 2960 int java_lang_Throwable::detailMessage_offset; | |
| 2961 int java_lang_Throwable::cause_offset; | |
| 2962 int java_lang_Throwable::stackTrace_offset; | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
2963 int java_lang_Throwable::static_unassigned_stacktrace_offset; |
| 0 | 2964 int java_lang_reflect_AccessibleObject::override_offset; |
| 2965 int java_lang_reflect_Method::clazz_offset; | |
| 2966 int java_lang_reflect_Method::name_offset; | |
| 2967 int java_lang_reflect_Method::returnType_offset; | |
| 2968 int java_lang_reflect_Method::parameterTypes_offset; | |
| 2969 int java_lang_reflect_Method::exceptionTypes_offset; | |
| 2970 int java_lang_reflect_Method::slot_offset; | |
| 2971 int java_lang_reflect_Method::modifiers_offset; | |
| 2972 int java_lang_reflect_Method::signature_offset; | |
| 2973 int java_lang_reflect_Method::annotations_offset; | |
| 2974 int java_lang_reflect_Method::parameter_annotations_offset; | |
| 2975 int java_lang_reflect_Method::annotation_default_offset; | |
|
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diff
changeset
|
2976 int java_lang_reflect_Method::type_annotations_offset; |
| 0 | 2977 int java_lang_reflect_Constructor::clazz_offset; |
| 2978 int java_lang_reflect_Constructor::parameterTypes_offset; | |
| 2979 int java_lang_reflect_Constructor::exceptionTypes_offset; | |
| 2980 int java_lang_reflect_Constructor::slot_offset; | |
| 2981 int java_lang_reflect_Constructor::modifiers_offset; | |
| 2982 int java_lang_reflect_Constructor::signature_offset; | |
| 2983 int java_lang_reflect_Constructor::annotations_offset; | |
| 2984 int java_lang_reflect_Constructor::parameter_annotations_offset; | |
|
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diff
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|
2985 int java_lang_reflect_Constructor::type_annotations_offset; |
| 0 | 2986 int java_lang_reflect_Field::clazz_offset; |
| 2987 int java_lang_reflect_Field::name_offset; | |
| 2988 int java_lang_reflect_Field::type_offset; | |
| 2989 int java_lang_reflect_Field::slot_offset; | |
| 2990 int java_lang_reflect_Field::modifiers_offset; | |
| 2991 int java_lang_reflect_Field::signature_offset; | |
| 2992 int java_lang_reflect_Field::annotations_offset; | |
|
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diff
changeset
|
2993 int java_lang_reflect_Field::type_annotations_offset; |
|
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
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7458
diff
changeset
|
2994 int java_lang_reflect_Parameter::name_offset; |
|
ade95d680b42
8004728: Add hotspot support for parameter reflection
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7458
diff
changeset
|
2995 int java_lang_reflect_Parameter::modifiers_offset; |
|
ade95d680b42
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7458
diff
changeset
|
2996 int java_lang_reflect_Parameter::index_offset; |
|
ade95d680b42
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7458
diff
changeset
|
2997 int java_lang_reflect_Parameter::executable_offset; |
| 0 | 2998 int java_lang_boxing_object::value_offset; |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
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132
diff
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|
2999 int java_lang_boxing_object::long_value_offset; |
| 0 | 3000 int java_lang_ref_Reference::referent_offset; |
| 3001 int java_lang_ref_Reference::queue_offset; | |
| 3002 int java_lang_ref_Reference::next_offset; | |
| 3003 int java_lang_ref_Reference::discovered_offset; | |
| 3004 int java_lang_ref_Reference::static_lock_offset; | |
| 3005 int java_lang_ref_Reference::static_pending_offset; | |
| 3006 int java_lang_ref_Reference::number_of_fake_oop_fields; | |
| 3007 int java_lang_ref_SoftReference::timestamp_offset; | |
| 3008 int java_lang_ref_SoftReference::static_clock_offset; | |
| 3009 int java_lang_ClassLoader::parent_offset; | |
| 3010 int java_lang_System::static_in_offset; | |
| 3011 int java_lang_System::static_out_offset; | |
| 3012 int java_lang_System::static_err_offset; | |
| 11010 | 3013 int java_lang_System::static_security_offset; |
| 0 | 3014 int java_lang_StackTraceElement::declaringClass_offset; |
| 3015 int java_lang_StackTraceElement::methodName_offset; | |
| 3016 int java_lang_StackTraceElement::fileName_offset; | |
| 3017 int java_lang_StackTraceElement::lineNumber_offset; | |
| 3018 int java_lang_AssertionStatusDirectives::classes_offset; | |
| 3019 int java_lang_AssertionStatusDirectives::classEnabled_offset; | |
| 3020 int java_lang_AssertionStatusDirectives::packages_offset; | |
| 3021 int java_lang_AssertionStatusDirectives::packageEnabled_offset; | |
| 3022 int java_lang_AssertionStatusDirectives::deflt_offset; | |
| 3023 int java_nio_Buffer::_limit_offset; | |
| 3024 int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; | |
|
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6267
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changeset
|
3025 int sun_reflect_ConstantPool::_oop_offset; |
| 0 | 3026 int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; |
| 3027 | |
| 3028 | |
| 3029 // Support for java_lang_StackTraceElement | |
| 3030 | |
| 3031 void java_lang_StackTraceElement::set_fileName(oop element, oop value) { | |
| 3032 element->obj_field_put(fileName_offset, value); | |
| 3033 } | |
| 3034 | |
| 3035 void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) { | |
| 3036 element->obj_field_put(declaringClass_offset, value); | |
| 3037 } | |
| 3038 | |
| 3039 void java_lang_StackTraceElement::set_methodName(oop element, oop value) { | |
| 3040 element->obj_field_put(methodName_offset, value); | |
| 3041 } | |
| 3042 | |
| 3043 void java_lang_StackTraceElement::set_lineNumber(oop element, int value) { | |
| 3044 element->int_field_put(lineNumber_offset, value); | |
| 3045 } | |
| 3046 | |
| 3047 | |
| 3048 // Support for java Assertions - java_lang_AssertionStatusDirectives. | |
| 3049 | |
| 3050 void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) { | |
| 3051 o->obj_field_put(classes_offset, val); | |
| 3052 } | |
| 3053 | |
| 3054 void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) { | |
| 3055 o->obj_field_put(classEnabled_offset, val); | |
| 3056 } | |
| 3057 | |
| 3058 void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) { | |
| 3059 o->obj_field_put(packages_offset, val); | |
| 3060 } | |
| 3061 | |
| 3062 void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) { | |
| 3063 o->obj_field_put(packageEnabled_offset, val); | |
| 3064 } | |
| 3065 | |
| 3066 void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) { | |
| 3067 o->bool_field_put(deflt_offset, val); | |
| 3068 } | |
| 3069 | |
| 3070 | |
| 3071 // Support for intrinsification of java.nio.Buffer.checkIndex | |
| 3072 int java_nio_Buffer::limit_offset() { | |
| 3073 return _limit_offset; | |
| 3074 } | |
| 3075 | |
| 3076 | |
| 3077 void java_nio_Buffer::compute_offsets() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3078 Klass* k = SystemDictionary::nio_Buffer_klass(); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3079 assert(k != NULL, "must be loaded in 1.4+"); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3080 compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); |
| 0 | 3081 } |
| 3082 | |
| 3083 void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { | |
| 3084 if (_owner_offset != 0) return; | |
| 3085 | |
| 3086 assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later"); | |
| 3087 SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3088 Klass* k = SystemDictionary::abstract_ownable_synchronizer_klass(); |
|
132
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jrose
parents:
113
diff
changeset
|
3089 compute_offset(_owner_offset, k, |
| 0 | 3090 vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature()); |
| 3091 } | |
| 3092 | |
| 3093 oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) { | |
| 3094 assert(_owner_offset != 0, "Must be initialized"); | |
| 3095 return obj->obj_field(_owner_offset); | |
| 3096 } | |
| 3097 | |
| 3098 // Compute hard-coded offsets | |
| 3099 // Invoked before SystemDictionary::initialize, so pre-loaded classes | |
| 3100 // are not available to determine the offset_of_static_fields. | |
| 3101 void JavaClasses::compute_hard_coded_offsets() { | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
3102 const int x = heapOopSize; |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3103 const int header = instanceOopDesc::base_offset_in_bytes(); |
| 0 | 3104 |
| 3105 // Throwable Class | |
| 3106 java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header; | |
| 3107 java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header; | |
| 3108 java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header; | |
| 3109 java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header; | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
3110 java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset * x; |
| 0 | 3111 |
| 3112 // java_lang_boxing_object | |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3113 java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header; |
|
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3114 java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong); |
| 0 | 3115 |
| 3116 // java_lang_ref_Reference: | |
| 3117 java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header; | |
| 3118 java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header; | |
| 3119 java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header; | |
| 3120 java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header; | |
| 3121 java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x; | |
| 3122 java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x; | |
| 3123 // Artificial fields for java_lang_ref_Reference | |
| 3124 // The first field is for the discovered field added in 1.4 | |
| 3125 java_lang_ref_Reference::number_of_fake_oop_fields = 1; | |
| 3126 | |
| 3127 // java_lang_ref_SoftReference Class | |
|
165
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6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3128 java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong); |
| 0 | 3129 // Don't multiply static fields because they are always in wordSize units |
| 3130 java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x; | |
| 3131 | |
| 3132 // java_lang_ClassLoader | |
| 3133 java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header; | |
| 3134 | |
| 3135 // java_lang_System | |
| 3136 java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x; | |
| 3137 java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x; | |
| 3138 java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x; | |
| 11010 | 3139 java_lang_System::static_security_offset = java_lang_System::hc_static_security_offset * x; |
| 0 | 3140 |
| 3141 // java_lang_StackTraceElement | |
| 3142 java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header; | |
| 3143 java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header; | |
| 3144 java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header; | |
| 3145 java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header; | |
| 3146 java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header; | |
| 3147 java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header; | |
| 3148 java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header; | |
| 3149 java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header; | |
| 3150 java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header; | |
| 3151 | |
| 3152 } | |
| 3153 | |
| 3154 | |
| 3155 // Compute non-hard-coded field offsets of all the classes in this file | |
| 3156 void JavaClasses::compute_offsets() { | |
| 3938 | 3157 // java_lang_Class::compute_offsets was called earlier in bootstrap |
| 3158 java_lang_ClassLoader::compute_offsets(); | |
| 0 | 3159 java_lang_Thread::compute_offsets(); |
| 3160 java_lang_ThreadGroup::compute_offsets(); | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2379
diff
changeset
|
3161 if (EnableInvokeDynamic) { |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3162 java_lang_invoke_MethodHandle::compute_offsets(); |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3163 java_lang_invoke_MemberName::compute_offsets(); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3164 java_lang_invoke_LambdaForm::compute_offsets(); |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3165 java_lang_invoke_MethodType::compute_offsets(); |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3166 java_lang_invoke_CallSite::compute_offsets(); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
3167 } |
| 0 | 3168 java_security_AccessControlContext::compute_offsets(); |
| 3169 // Initialize reflection classes. The layouts of these classes | |
| 3170 // changed with the new reflection implementation in JDK 1.4, and | |
| 3171 // since the Universe doesn't know what JDK version it is until this | |
| 3172 // point we defer computation of these offsets until now. | |
| 3173 java_lang_reflect_AccessibleObject::compute_offsets(); | |
| 3174 java_lang_reflect_Method::compute_offsets(); | |
| 3175 java_lang_reflect_Constructor::compute_offsets(); | |
| 3176 java_lang_reflect_Field::compute_offsets(); | |
| 3177 if (JDK_Version::is_gte_jdk14x_version()) { | |
| 3178 java_nio_Buffer::compute_offsets(); | |
| 3179 } | |
| 3180 if (JDK_Version::is_gte_jdk15x_version()) { | |
| 3181 sun_reflect_ConstantPool::compute_offsets(); | |
| 3182 sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); | |
| 3183 } | |
|
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
3184 if (JDK_Version::is_jdk18x_version()) |
|
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
3185 java_lang_reflect_Parameter::compute_offsets(); |
| 710 | 3186 |
| 3187 // generated interpreter code wants to know about the offsets we just computed: | |
| 3188 AbstractAssembler::update_delayed_values(); | |
| 0 | 3189 } |
| 3190 | |
| 3191 #ifndef PRODUCT | |
| 3192 | |
| 3193 // These functions exist to assert the validity of hard-coded field offsets to guard | |
| 3194 // against changes in the class files | |
| 3195 | |
| 3196 bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
| 3197 EXCEPTION_MARK; | |
| 3198 fieldDescriptor fd; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3199 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3200 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
| 0 | 3201 instanceKlassHandle h_klass (THREAD, k); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3202 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3203 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3204 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
| 0 | 3205 tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name); |
| 3206 return false; | |
| 3207 } | |
| 3208 if (fd.is_static()) { | |
| 3209 tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name); | |
| 3210 return false; | |
| 3211 } | |
| 3212 if (fd.offset() == hardcoded_offset ) { | |
| 3213 return true; | |
| 3214 } else { | |
| 3215 tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.", | |
| 3216 klass_name, field_name, hardcoded_offset, fd.offset()); | |
| 3217 return false; | |
| 3218 } | |
| 3219 } | |
| 3220 | |
| 3221 | |
| 3222 bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
| 3223 EXCEPTION_MARK; | |
| 3224 fieldDescriptor fd; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3225 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3226 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
| 0 | 3227 instanceKlassHandle h_klass (THREAD, k); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3228 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3229 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3230 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
| 0 | 3231 tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
| 3232 return false; | |
| 3233 } | |
| 3234 if (!fd.is_static()) { | |
| 3235 tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name); | |
| 3236 return false; | |
| 3237 } | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
3238 if (fd.offset() == hardcoded_offset + InstanceMirrorKlass::offset_of_static_fields()) { |
| 0 | 3239 return true; |
| 3240 } else { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
3241 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() - InstanceMirrorKlass::offset_of_static_fields()); |
| 0 | 3242 return false; |
| 3243 } | |
| 3244 } | |
| 3245 | |
| 3246 | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3247 bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3248 EXCEPTION_MARK; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3249 fieldDescriptor fd; |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3250 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3251 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3252 instanceKlassHandle h_klass (THREAD, k); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3253 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3254 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3255 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3256 tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3257 return false; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3258 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3259 if (!fd.is_static() || !fd.has_initial_value()) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3260 tty->print_cr("Static field %s.%s appears to be non-constant", klass_name, field_name); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3261 return false; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3262 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3263 if (!fd.initial_value_tag().is_int()) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3264 tty->print_cr("Static field %s.%s is not an int", klass_name, field_name); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3265 return false; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3266 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3267 jint field_value = fd.int_initial_value(); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3268 if (field_value == hardcoded_constant) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3269 return true; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3270 } else { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3271 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); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3272 return false; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3273 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3274 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3275 |
|
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3276 |
| 0 | 3277 // Check the hard-coded field offsets of all the classes in this file |
| 3278 | |
| 3279 void JavaClasses::check_offsets() { | |
| 3280 bool valid = true; | |
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3281 HandleMark hm; |
| 0 | 3282 |
| 3283 #define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ | |
| 3284 valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig) | |
| 3285 | |
|
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3286 #define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
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3287 valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig) |
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3288 |
| 0 | 3289 #define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
| 3290 valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig) | |
| 3291 | |
|
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3292 #define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \ |
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3293 valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig) |
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3294 |
| 0 | 3295 // java.lang.String |
| 3296 | |
| 3297 CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C"); | |
| 6057 | 3298 if (java_lang_String::has_offset_field()) { |
| 3299 CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I"); | |
| 3300 CHECK_OFFSET("java/lang/String", java_lang_String, count, "I"); | |
| 3301 } | |
| 3302 if (java_lang_String::has_hash_field()) { | |
| 3303 CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I"); | |
| 3304 } | |
| 0 | 3305 |
| 3306 // java.lang.Class | |
| 3307 | |
| 3308 // Fake fields | |
| 3309 // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked | |
| 3310 // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked | |
| 3311 | |
| 3312 // java.lang.Throwable | |
| 3313 | |
| 3314 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;"); | |
| 3315 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;"); | |
| 3316 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;"); | |
| 3317 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;"); | |
| 3318 | |
| 3319 // Boxed primitive objects (java_lang_boxing_object) | |
| 3320 | |
| 3321 CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z"); | |
| 3322 CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C"); | |
| 3323 CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F"); | |
|
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3324 CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D"); |
| 0 | 3325 CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B"); |
| 3326 CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S"); | |
| 3327 CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I"); | |
|
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3328 CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J"); |
| 0 | 3329 |
| 3330 // java.lang.ClassLoader | |
| 3331 | |
| 3332 CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;"); | |
| 3333 | |
| 3334 // java.lang.System | |
| 3335 | |
| 3336 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;"); | |
| 3337 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;"); | |
| 3338 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;"); | |
| 11010 | 3339 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, security, "Ljava/lang/SecurityManager;"); |
| 0 | 3340 |
| 3341 // java.lang.StackTraceElement | |
| 3342 | |
| 3343 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;"); | |
| 3344 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;"); | |
| 3345 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;"); | |
| 3346 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I"); | |
| 3347 | |
| 3348 // java.lang.ref.Reference | |
| 3349 | |
| 3350 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;"); | |
| 3351 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;"); | |
| 3352 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;"); | |
| 3353 // Fake field | |
| 3354 //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;"); | |
| 3355 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;"); | |
| 3356 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;"); | |
| 3357 | |
| 3358 // java.lang.ref.SoftReference | |
| 3359 | |
| 3360 CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J"); | |
| 3361 CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J"); | |
| 3362 | |
| 3363 // java.lang.AssertionStatusDirectives | |
| 3364 // | |
| 3365 // The CheckAssertionStatusDirectives boolean can be removed from here and | |
| 3366 // globals.hpp after the AssertionStatusDirectives class has been integrated | |
| 3367 // into merlin "for some time." Without it, the vm will fail with early | |
| 3368 // merlin builds. | |
| 3369 | |
| 3370 if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) { | |
| 3371 const char* nm = "java/lang/AssertionStatusDirectives"; | |
| 3372 const char* sig = "[Ljava/lang/String;"; | |
| 3373 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig); | |
| 3374 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z"); | |
| 3375 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig); | |
| 3376 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z"); | |
| 3377 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z"); | |
| 3378 } | |
| 3379 | |
| 3380 if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed"); | |
| 3381 } | |
| 3382 | |
| 3383 #endif // PRODUCT | |
| 3384 | |
| 3938 | 3385 int InjectedField::compute_offset() { |
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3386 Klass* klass_oop = klass(); |
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3387 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
| 3938 | 3388 if (!may_be_java && !fs.access_flags().is_internal()) { |
| 3389 // Only look at injected fields | |
| 3390 continue; | |
| 3391 } | |
| 3392 if (fs.name() == name() && fs.signature() == signature()) { | |
| 3393 return fs.offset(); | |
| 3394 } | |
| 3395 } | |
| 3396 ResourceMark rm; | |
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3397 tty->print_cr("Invalid layout of %s at %s/%s%s", InstanceKlass::cast(klass_oop)->external_name(), name()->as_C_string(), signature()->as_C_string(), may_be_java ? " (may_be_java)" : ""); |
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3398 #ifndef PRODUCT |
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3399 klass_oop->print(); |
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3400 tty->print_cr("all fields:"); |
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3401 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
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3402 tty->print_cr(" name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int()); |
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3403 } |
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3404 #endif //PRODUCT |
| 3938 | 3405 fatal("Invalid layout of preloaded class"); |
| 3406 return -1; | |
| 3407 } | |
| 3408 | |
| 0 | 3409 void javaClasses_init() { |
| 3410 JavaClasses::compute_offsets(); | |
| 3411 JavaClasses::check_offsets(); | |
| 3412 FilteredFieldsMap::initialize(); // must be done after computing offsets. | |
| 3413 } |