Mercurial > hg > truffle
annotate src/share/vm/classfile/javaClasses.cpp @ 11015:7ee0d5c53c78
Merge
| author | chegar |
|---|---|
| date | Wed, 08 May 2013 15:25:08 +0100 |
| parents | 4b52137b07c9 f258c5828eb8 |
| children | eaf3742822ec |
| 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 | |
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318 jchar* java_lang_String::as_unicode_string(oop java_string, int& length, TRAPS) { |
| 0 | 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 | |
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323 jchar* result = NEW_RESOURCE_ARRAY_RETURN_NULL(jchar, length); |
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324 if (result != NULL) { |
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325 for (int index = 0; index < length; index++) { |
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326 result[index] = value->char_at(index + offset); |
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327 } |
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328 } else { |
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329 THROW_MSG_0(vmSymbols::java_lang_OutOfMemoryError(), "could not allocate Unicode string"); |
| 0 | 330 } |
| 331 return result; | |
| 332 } | |
| 333 | |
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334 unsigned int java_lang_String::hash_code(oop java_string) { |
| 6162 | 335 int length = java_lang_String::length(java_string); |
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336 // Zero length string will hash to zero with String.hashCode() function. |
| 6162 | 337 if (length == 0) return 0; |
| 338 | |
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339 typeArrayOop value = java_lang_String::value(java_string); |
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340 int offset = java_lang_String::offset(java_string); |
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341 return java_lang_String::hash_code(value->char_at_addr(offset), length); |
| 6162 | 342 } |
| 343 | |
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344 char* java_lang_String::as_quoted_ascii(oop java_string) { |
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345 typeArrayOop value = java_lang_String::value(java_string); |
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346 int offset = java_lang_String::offset(java_string); |
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347 int length = java_lang_String::length(java_string); |
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348 |
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349 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
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350 if (base == NULL) return NULL; |
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351 |
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352 int result_length = UNICODE::quoted_ascii_length(base, length) + 1; |
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353 char* result = NEW_RESOURCE_ARRAY(char, result_length); |
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354 UNICODE::as_quoted_ascii(base, length, result, result_length); |
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355 assert(result_length >= length + 1, "must not be shorter"); |
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356 assert(result_length == (int)strlen(result) + 1, "must match"); |
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357 return result; |
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358 } |
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359 |
| 6162 | 360 unsigned int java_lang_String::hash_string(oop java_string) { |
|
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361 int length = java_lang_String::length(java_string); |
| 6162 | 362 // Zero length string doesn't hash necessarily hash to zero. |
| 363 if (length == 0) { | |
| 364 return StringTable::hash_string(NULL, 0); | |
| 365 } | |
| 366 | |
| 367 typeArrayOop value = java_lang_String::value(java_string); | |
| 368 int offset = java_lang_String::offset(java_string); | |
| 369 return StringTable::hash_string(value->char_at_addr(offset), length); | |
|
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370 } |
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371 |
|
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372 Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) { |
| 0 | 373 oop obj = java_string(); |
| 374 typeArrayOop value = java_lang_String::value(obj); | |
| 375 int offset = java_lang_String::offset(obj); | |
| 376 int length = java_lang_String::length(obj); | |
|
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377 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
|
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378 Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD); |
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379 return sym; |
| 0 | 380 } |
| 381 | |
|
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382 Symbol* java_lang_String::as_symbol_or_null(oop java_string) { |
|
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383 typeArrayOop value = java_lang_String::value(java_string); |
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384 int offset = java_lang_String::offset(java_string); |
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385 int length = java_lang_String::length(java_string); |
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386 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
|
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387 return SymbolTable::probe_unicode(base, length); |
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388 } |
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389 |
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390 |
| 0 | 391 int java_lang_String::utf8_length(oop java_string) { |
| 392 typeArrayOop value = java_lang_String::value(java_string); | |
| 393 int offset = java_lang_String::offset(java_string); | |
| 394 int length = java_lang_String::length(java_string); | |
| 395 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
| 396 return UNICODE::utf8_length(position, length); | |
| 397 } | |
| 398 | |
| 399 char* java_lang_String::as_utf8_string(oop java_string) { | |
| 400 typeArrayOop value = java_lang_String::value(java_string); | |
| 401 int offset = java_lang_String::offset(java_string); | |
| 402 int length = java_lang_String::length(java_string); | |
| 403 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
| 404 return UNICODE::as_utf8(position, length); | |
| 405 } | |
| 406 | |
|
1989
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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|
407 char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) { |
|
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|
408 typeArrayOop value = java_lang_String::value(java_string); |
|
017cd8bce8a8
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|
409 int offset = java_lang_String::offset(java_string); |
|
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|
410 int length = java_lang_String::length(java_string); |
|
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|
411 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
|
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|
412 return UNICODE::as_utf8(position, length, buf, buflen); |
|
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|
413 } |
|
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|
414 |
| 0 | 415 char* java_lang_String::as_utf8_string(oop java_string, int start, int len) { |
| 416 typeArrayOop value = java_lang_String::value(java_string); | |
| 417 int offset = java_lang_String::offset(java_string); | |
| 418 int length = java_lang_String::length(java_string); | |
| 419 assert(start + len <= length, "just checking"); | |
| 420 jchar* position = value->char_at_addr(offset + start); | |
| 421 return UNICODE::as_utf8(position, len); | |
| 422 } | |
| 423 | |
| 424 bool java_lang_String::equals(oop java_string, jchar* chars, int len) { | |
| 6867 | 425 assert(java_string->klass() == SystemDictionary::String_klass(), |
| 0 | 426 "must be java_string"); |
| 427 typeArrayOop value = java_lang_String::value(java_string); | |
| 428 int offset = java_lang_String::offset(java_string); | |
| 429 int length = java_lang_String::length(java_string); | |
| 430 if (length != len) { | |
| 431 return false; | |
| 432 } | |
| 433 for (int i = 0; i < len; i++) { | |
| 434 if (value->char_at(i + offset) != chars[i]) { | |
| 435 return false; | |
| 436 } | |
| 437 } | |
| 438 return true; | |
| 439 } | |
| 440 | |
| 441 void java_lang_String::print(Handle java_string, outputStream* st) { | |
| 442 oop obj = java_string(); | |
| 1142 | 443 assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string"); |
| 0 | 444 typeArrayOop value = java_lang_String::value(obj); |
| 445 int offset = java_lang_String::offset(obj); | |
| 446 int length = java_lang_String::length(obj); | |
| 447 | |
| 448 int end = MIN2(length, 100); | |
| 449 if (value == NULL) { | |
| 450 // This can happen if, e.g., printing a String | |
| 451 // object before its initializer has been called | |
| 452 st->print_cr("NULL"); | |
| 453 } else { | |
| 454 st->print("\""); | |
| 455 for (int index = 0; index < length; index++) { | |
| 456 st->print("%c", value->char_at(index + offset)); | |
| 457 } | |
| 458 st->print("\""); | |
| 459 } | |
| 460 } | |
| 461 | |
|
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462 static void initialize_static_field(fieldDescriptor* fd, TRAPS) { |
|
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463 Handle mirror (THREAD, fd->field_holder()->java_mirror()); |
|
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464 assert(mirror.not_null() && fd->is_static(), "just checking"); |
|
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465 if (fd->has_initial_value()) { |
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466 BasicType t = fd->field_type(); |
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467 switch (t) { |
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468 case T_BYTE: |
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|
469 mirror()->byte_field_put(fd->offset(), fd->int_initial_value()); |
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470 break; |
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471 case T_BOOLEAN: |
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472 mirror()->bool_field_put(fd->offset(), fd->int_initial_value()); |
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473 break; |
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|
474 case T_CHAR: |
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475 mirror()->char_field_put(fd->offset(), fd->int_initial_value()); |
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476 break; |
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477 case T_SHORT: |
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478 mirror()->short_field_put(fd->offset(), fd->int_initial_value()); |
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479 break; |
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|
480 case T_INT: |
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481 mirror()->int_field_put(fd->offset(), fd->int_initial_value()); |
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482 break; |
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|
483 case T_FLOAT: |
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484 mirror()->float_field_put(fd->offset(), fd->float_initial_value()); |
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485 break; |
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486 case T_DOUBLE: |
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487 mirror()->double_field_put(fd->offset(), fd->double_initial_value()); |
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488 break; |
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489 case T_LONG: |
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490 mirror()->long_field_put(fd->offset(), fd->long_initial_value()); |
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491 break; |
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492 case T_OBJECT: |
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493 { |
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494 #ifdef ASSERT |
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495 TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK); |
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496 assert(fd->signature() == sym, "just checking"); |
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497 #endif |
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498 oop string = fd->string_initial_value(CHECK); |
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499 mirror()->obj_field_put(fd->offset(), string); |
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500 } |
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501 break; |
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502 default: |
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503 THROW_MSG(vmSymbols::java_lang_ClassFormatError(), |
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504 "Illegal ConstantValue attribute in class file"); |
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505 } |
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506 } |
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507 } |
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508 |
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509 |
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510 void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) { |
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511 assert(InstanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already"); |
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512 |
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513 // If the offset was read from the shared archive, it was fixed up already |
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514 if (!k->is_shared()) { |
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515 if (k->oop_is_instance()) { |
| 3938 | 516 // During bootstrap, java.lang.Class wasn't loaded so static field |
| 517 // offsets were computed without the size added it. Go back and | |
| 518 // update all the static field offsets to included the size. | |
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519 for (JavaFieldStream fs(InstanceKlass::cast(k())); !fs.done(); fs.next()) { |
| 3938 | 520 if (fs.access_flags().is_static()) { |
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521 int real_offset = fs.offset() + InstanceMirrorKlass::offset_of_static_fields(); |
| 3938 | 522 fs.set_offset(real_offset); |
| 523 } | |
| 524 } | |
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525 } |
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526 } |
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527 create_mirror(k, CHECK); |
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528 } |
| 0 | 529 |
| 530 oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) { | |
| 531 assert(k->java_mirror() == NULL, "should only assign mirror once"); | |
| 532 // Use this moment of initialization to cache modifier_flags also, | |
| 533 // to support Class.getModifiers(). Instance classes recalculate | |
| 534 // the cached flags after the class file is parsed, but before the | |
| 535 // class is put into the system dictionary. | |
| 536 int computed_modifiers = k->compute_modifier_flags(CHECK_0); | |
| 537 k->set_modifier_flags(computed_modifiers); | |
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538 // Class_klass has to be loaded because it is used to allocate |
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539 // the mirror. |
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540 if (SystemDictionary::Class_klass_loaded()) { |
| 0 | 541 // Allocate mirror (java.lang.Class instance) |
|
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542 Handle mirror = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0); |
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543 |
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544 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass()); |
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545 java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror())); |
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546 |
| 0 | 547 // It might also have a component mirror. This mirror must already exist. |
|
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548 if (k->oop_is_array()) { |
| 0 | 549 Handle comp_mirror; |
| 550 if (k->oop_is_typeArray()) { | |
|
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551 BasicType type = TypeArrayKlass::cast(k())->element_type(); |
| 0 | 552 comp_mirror = Universe::java_mirror(type); |
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553 } else { |
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554 assert(k->oop_is_objArray(), "Must be"); |
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555 Klass* element_klass = ObjArrayKlass::cast(k())->element_klass(); |
|
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556 assert(element_klass != NULL, "Must have an element klass"); |
| 6983 | 557 comp_mirror = element_klass->java_mirror(); |
| 0 | 558 } |
|
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559 assert(comp_mirror.not_null(), "must have a mirror"); |
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560 |
| 0 | 561 // Two-way link between the array klass and its component mirror: |
|
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562 ArrayKlass::cast(k())->set_component_mirror(comp_mirror()); |
|
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563 set_array_klass(comp_mirror(), k()); |
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564 } else { |
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565 assert(k->oop_is_instance(), "Must be"); |
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566 // Initialize static fields |
|
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567 InstanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL); |
| 0 | 568 } |
| 569 return mirror(); | |
| 570 } else { | |
|
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571 if (fixup_mirror_list() == NULL) { |
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572 GrowableArray<Klass*>* list = |
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573 new (ResourceObj::C_HEAP, mtClass) GrowableArray<Klass*>(40, true); |
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574 set_fixup_mirror_list(list); |
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575 } |
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576 fixup_mirror_list()->push(k()); |
| 0 | 577 return NULL; |
| 578 } | |
| 579 } | |
| 580 | |
| 581 | |
|
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582 |
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583 int java_lang_Class::oop_size(oop java_class) { |
| 3938 | 584 assert(_oop_size_offset != 0, "must be set"); |
| 585 return java_class->int_field(_oop_size_offset); | |
|
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586 } |
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587 void java_lang_Class::set_oop_size(oop java_class, int size) { |
| 3938 | 588 assert(_oop_size_offset != 0, "must be set"); |
| 589 java_class->int_field_put(_oop_size_offset, size); | |
|
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590 } |
|
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591 int java_lang_Class::static_oop_field_count(oop java_class) { |
| 3938 | 592 assert(_static_oop_field_count_offset != 0, "must be set"); |
| 593 return java_class->int_field(_static_oop_field_count_offset); | |
|
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594 } |
|
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595 void java_lang_Class::set_static_oop_field_count(oop java_class, int size) { |
| 3938 | 596 assert(_static_oop_field_count_offset != 0, "must be set"); |
| 597 java_class->int_field_put(_static_oop_field_count_offset, size); | |
|
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598 } |
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599 |
| 0 | 600 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) { |
| 601 // This should be improved by adding a field at the Java level or by | |
| 602 // introducing a new VM klass (see comment in ClassFileParser) | |
|
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603 oop java_class = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(NULL, CHECK_0); |
| 0 | 604 if (type != T_VOID) { |
|
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605 Klass* aklass = Universe::typeArrayKlassObj(type); |
| 0 | 606 assert(aklass != NULL, "correct bootstrap"); |
| 607 set_array_klass(java_class, aklass); | |
| 608 } | |
| 4009 | 609 #ifdef ASSERT |
|
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610 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(SystemDictionary::Class_klass()); |
| 4009 | 611 assert(java_lang_Class::static_oop_field_count(java_class) == 0, "should have been zeroed by allocation"); |
| 612 #endif | |
| 0 | 613 return java_class; |
| 614 } | |
| 615 | |
| 616 | |
|
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617 Klass* java_lang_Class::as_Klass(oop java_class) { |
| 0 | 618 //%note memory_2 |
|
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619 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
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620 Klass* k = ((Klass*)java_class->metadata_field(_klass_offset)); |
| 0 | 621 assert(k == NULL || k->is_klass(), "type check"); |
| 622 return k; | |
| 623 } | |
| 624 | |
| 625 | |
|
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626 void java_lang_Class::set_klass(oop java_class, Klass* klass) { |
| 4009 | 627 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
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628 java_class->metadata_field_put(_klass_offset, klass); |
| 4009 | 629 } |
| 630 | |
| 631 | |
|
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632 void java_lang_Class::print_signature(oop java_class, outputStream* st) { |
|
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633 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
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634 Symbol* name = NULL; |
|
665
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635 bool is_instance = false; |
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636 if (is_primitive(java_class)) { |
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637 name = vmSymbols::type_signature(primitive_type(java_class)); |
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638 } else { |
|
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639 Klass* k = as_Klass(java_class); |
| 6983 | 640 is_instance = k->oop_is_instance(); |
| 641 name = k->name(); | |
|
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642 } |
|
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643 if (name == NULL) { |
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644 st->print("<null>"); |
|
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645 return; |
|
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646 } |
|
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647 if (is_instance) st->print("L"); |
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648 st->write((char*) name->base(), (int) name->utf8_length()); |
|
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649 if (is_instance) st->print(";"); |
|
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650 } |
|
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651 |
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652 Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) { |
|
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653 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
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654 Symbol* name; |
|
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655 if (is_primitive(java_class)) { |
|
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656 name = vmSymbols::type_signature(primitive_type(java_class)); |
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657 // Because this can create a new symbol, the caller has to decrement |
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658 // the refcount, so make adjustment here and below for symbols returned |
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659 // that are not created or incremented due to a successful lookup. |
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660 name->increment_refcount(); |
|
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661 } else { |
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662 Klass* k = as_Klass(java_class); |
| 6983 | 663 if (!k->oop_is_instance()) { |
| 664 name = k->name(); | |
|
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665 name->increment_refcount(); |
|
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666 } else { |
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667 ResourceMark rm; |
| 6983 | 668 const char* sigstr = k->signature_name(); |
|
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669 int siglen = (int) strlen(sigstr); |
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670 if (!intern_if_not_found) { |
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671 name = SymbolTable::probe(sigstr, siglen); |
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672 } else { |
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673 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
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674 } |
|
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675 } |
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676 } |
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677 return name; |
|
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678 } |
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679 |
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680 |
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681 Klass* java_lang_Class::array_klass(oop java_class) { |
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682 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
| 6983 | 683 assert(k == NULL || k->is_klass() && k->oop_is_array(), "should be array klass"); |
| 0 | 684 return k; |
| 685 } | |
| 686 | |
| 687 | |
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688 void java_lang_Class::set_array_klass(oop java_class, Klass* klass) { |
| 6983 | 689 assert(klass->is_klass() && klass->oop_is_array(), "should be array klass"); |
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690 java_class->metadata_field_put(_array_klass_offset, klass); |
| 0 | 691 } |
| 692 | |
| 693 | |
| 694 bool java_lang_Class::is_primitive(oop java_class) { | |
|
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695 // should assert: |
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696 //assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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697 bool is_primitive = (java_class->metadata_field(_klass_offset) == NULL); |
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698 |
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699 #ifdef ASSERT |
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700 if (is_primitive) { |
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701 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
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702 assert(k == NULL || is_java_primitive(ArrayKlass::cast(k)->element_type()), |
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703 "Should be either the T_VOID primitive or a java primitive"); |
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704 } |
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705 #endif |
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706 |
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707 return is_primitive; |
| 0 | 708 } |
| 709 | |
| 710 | |
| 711 BasicType java_lang_Class::primitive_type(oop java_class) { | |
| 712 assert(java_lang_Class::is_primitive(java_class), "just checking"); | |
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713 Klass* ak = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
| 0 | 714 BasicType type = T_VOID; |
| 715 if (ak != NULL) { | |
| 716 // Note: create_basic_type_mirror above initializes ak to a non-null value. | |
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717 type = ArrayKlass::cast(ak)->element_type(); |
| 0 | 718 } else { |
| 719 assert(java_class == Universe::void_mirror(), "only valid non-array primitive"); | |
| 720 } | |
| 721 assert(Universe::java_mirror(type) == java_class, "must be consistent"); | |
| 722 return type; | |
| 723 } | |
| 724 | |
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725 BasicType java_lang_Class::as_BasicType(oop java_class, Klass** reference_klass) { |
|
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726 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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727 if (is_primitive(java_class)) { |
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728 if (reference_klass != NULL) |
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729 (*reference_klass) = NULL; |
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730 return primitive_type(java_class); |
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731 } else { |
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732 if (reference_klass != NULL) |
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733 (*reference_klass) = as_Klass(java_class); |
|
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734 return T_OBJECT; |
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735 } |
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736 } |
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737 |
| 0 | 738 |
| 739 oop java_lang_Class::primitive_mirror(BasicType t) { | |
| 740 oop mirror = Universe::java_mirror(t); | |
| 1142 | 741 assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class"); |
| 0 | 742 assert(java_lang_Class::is_primitive(mirror), "must be primitive"); |
| 743 return mirror; | |
| 744 } | |
| 745 | |
| 746 bool java_lang_Class::offsets_computed = false; | |
| 747 int java_lang_Class::classRedefinedCount_offset = -1; | |
| 748 | |
| 749 void java_lang_Class::compute_offsets() { | |
| 750 assert(!offsets_computed, "offsets should be initialized only once"); | |
| 751 offsets_computed = true; | |
| 752 | |
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753 Klass* klass_oop = SystemDictionary::Class_klass(); |
| 0 | 754 // The classRedefinedCount field is only present starting in 1.5, |
| 755 // so don't go fatal. | |
|
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756 compute_optional_offset(classRedefinedCount_offset, |
| 3938 | 757 klass_oop, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature()); |
| 758 | |
| 759 CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
| 0 | 760 } |
| 761 | |
| 762 int java_lang_Class::classRedefinedCount(oop the_class_mirror) { | |
| 763 if (!JDK_Version::is_gte_jdk15x_version() | |
| 764 || classRedefinedCount_offset == -1) { | |
| 765 // The classRedefinedCount field is only present starting in 1.5. | |
| 766 // If we don't have an offset for it then just return -1 as a marker. | |
| 767 return -1; | |
| 768 } | |
| 769 | |
| 770 return the_class_mirror->int_field(classRedefinedCount_offset); | |
| 771 } | |
| 772 | |
| 773 void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) { | |
| 774 if (!JDK_Version::is_gte_jdk15x_version() | |
| 775 || classRedefinedCount_offset == -1) { | |
| 776 // The classRedefinedCount field is only present starting in 1.5. | |
| 777 // If we don't have an offset for it then nothing to set. | |
| 778 return; | |
| 779 } | |
| 780 | |
| 781 the_class_mirror->int_field_put(classRedefinedCount_offset, value); | |
| 782 } | |
| 783 | |
| 784 | |
| 785 // Note: JDK1.1 and before had a privateInfo_offset field which was used for the | |
| 786 // platform thread structure, and a eetop offset which was used for thread | |
| 787 // local storage (and unused by the HotSpot VM). In JDK1.2 the two structures | |
| 788 // merged, so in the HotSpot VM we just use the eetop field for the thread | |
| 789 // instead of the privateInfo_offset. | |
| 790 // | |
| 791 // Note: The stackSize field is only present starting in 1.4. | |
| 792 | |
| 793 int java_lang_Thread::_name_offset = 0; | |
| 794 int java_lang_Thread::_group_offset = 0; | |
| 795 int java_lang_Thread::_contextClassLoader_offset = 0; | |
| 796 int java_lang_Thread::_inheritedAccessControlContext_offset = 0; | |
| 797 int java_lang_Thread::_priority_offset = 0; | |
| 798 int java_lang_Thread::_eetop_offset = 0; | |
| 799 int java_lang_Thread::_daemon_offset = 0; | |
| 800 int java_lang_Thread::_stillborn_offset = 0; | |
| 801 int java_lang_Thread::_stackSize_offset = 0; | |
| 802 int java_lang_Thread::_tid_offset = 0; | |
| 803 int java_lang_Thread::_thread_status_offset = 0; | |
| 804 int java_lang_Thread::_park_blocker_offset = 0; | |
| 805 int java_lang_Thread::_park_event_offset = 0 ; | |
| 806 | |
| 807 | |
| 808 void java_lang_Thread::compute_offsets() { | |
| 809 assert(_group_offset == 0, "offsets should be initialized only once"); | |
| 810 | |
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811 Klass* k = SystemDictionary::Thread_klass(); |
|
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812 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature()); |
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813 compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature()); |
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814 compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature()); |
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815 compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature()); |
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816 compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature()); |
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817 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
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818 compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature()); |
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819 compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature()); |
| 0 | 820 // The stackSize field is only present starting in 1.4, so don't go fatal. |
|
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821 compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature()); |
| 0 | 822 // The tid and thread_status fields are only present starting in 1.5, so don't go fatal. |
|
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823 compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature()); |
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824 compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature()); |
| 0 | 825 // The parkBlocker field is only present starting in 1.6, so don't go fatal. |
|
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826 compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature()); |
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827 compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(), |
| 0 | 828 vmSymbols::long_signature()); |
| 829 } | |
| 830 | |
| 831 | |
| 832 JavaThread* java_lang_Thread::thread(oop java_thread) { | |
|
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833 return (JavaThread*)java_thread->address_field(_eetop_offset); |
| 0 | 834 } |
| 835 | |
| 836 | |
| 837 void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) { | |
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838 java_thread->address_field_put(_eetop_offset, (address)thread); |
| 0 | 839 } |
| 840 | |
| 841 | |
| 842 typeArrayOop java_lang_Thread::name(oop java_thread) { | |
| 843 oop name = java_thread->obj_field(_name_offset); | |
|
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844 assert(name == NULL || (name->is_typeArray() && TypeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking"); |
| 0 | 845 return typeArrayOop(name); |
| 846 } | |
| 847 | |
| 848 | |
| 849 void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) { | |
| 850 assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL"); | |
| 851 java_thread->obj_field_put(_name_offset, name); | |
| 852 } | |
| 853 | |
| 854 | |
| 855 ThreadPriority java_lang_Thread::priority(oop java_thread) { | |
| 856 return (ThreadPriority)java_thread->int_field(_priority_offset); | |
| 857 } | |
| 858 | |
| 859 | |
| 860 void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) { | |
| 861 java_thread->int_field_put(_priority_offset, priority); | |
| 862 } | |
| 863 | |
| 864 | |
| 865 oop java_lang_Thread::threadGroup(oop java_thread) { | |
| 866 return java_thread->obj_field(_group_offset); | |
| 867 } | |
| 868 | |
| 869 | |
| 870 bool java_lang_Thread::is_stillborn(oop java_thread) { | |
| 871 return java_thread->bool_field(_stillborn_offset) != 0; | |
| 872 } | |
| 873 | |
| 874 | |
| 875 // We never have reason to turn the stillborn bit off | |
| 876 void java_lang_Thread::set_stillborn(oop java_thread) { | |
| 877 java_thread->bool_field_put(_stillborn_offset, true); | |
| 878 } | |
| 879 | |
| 880 | |
| 881 bool java_lang_Thread::is_alive(oop java_thread) { | |
| 882 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
| 883 return (thr != NULL); | |
| 884 } | |
| 885 | |
| 886 | |
| 887 bool java_lang_Thread::is_daemon(oop java_thread) { | |
| 888 return java_thread->bool_field(_daemon_offset) != 0; | |
| 889 } | |
| 890 | |
| 891 | |
| 892 void java_lang_Thread::set_daemon(oop java_thread) { | |
| 893 java_thread->bool_field_put(_daemon_offset, true); | |
| 894 } | |
| 895 | |
| 896 oop java_lang_Thread::context_class_loader(oop java_thread) { | |
| 897 return java_thread->obj_field(_contextClassLoader_offset); | |
| 898 } | |
| 899 | |
| 900 oop java_lang_Thread::inherited_access_control_context(oop java_thread) { | |
| 901 return java_thread->obj_field(_inheritedAccessControlContext_offset); | |
| 902 } | |
| 903 | |
| 904 | |
| 905 jlong java_lang_Thread::stackSize(oop java_thread) { | |
| 906 // The stackSize field is only present starting in 1.4 | |
| 907 if (_stackSize_offset > 0) { | |
| 908 assert(JDK_Version::is_gte_jdk14x_version(), "sanity check"); | |
| 909 return java_thread->long_field(_stackSize_offset); | |
| 910 } else { | |
| 911 return 0; | |
| 912 } | |
| 913 } | |
| 914 | |
| 915 // Write the thread status value to threadStatus field in java.lang.Thread java class. | |
| 916 void java_lang_Thread::set_thread_status(oop java_thread, | |
| 917 java_lang_Thread::ThreadStatus status) { | |
| 918 // The threadStatus is only present starting in 1.5 | |
| 919 if (_thread_status_offset > 0) { | |
| 920 java_thread->int_field_put(_thread_status_offset, status); | |
| 921 } | |
| 922 } | |
| 923 | |
| 924 // Read thread status value from threadStatus field in java.lang.Thread java class. | |
| 925 java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { | |
| 926 assert(Thread::current()->is_VM_thread() || | |
| 927 JavaThread::current()->thread_state() == _thread_in_vm, | |
| 928 "Java Thread is not running in vm"); | |
| 929 // The threadStatus is only present starting in 1.5 | |
| 930 if (_thread_status_offset > 0) { | |
| 931 return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
| 932 } else { | |
| 933 // All we can easily figure out is if it is alive, but that is | |
| 934 // enough info for a valid unknown status. | |
| 935 // These aren't restricted to valid set ThreadStatus values, so | |
| 936 // use JVMTI values and cast. | |
| 937 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
| 938 if (thr == NULL) { | |
| 939 // the thread hasn't run yet or is in the process of exiting | |
| 940 return NEW; | |
| 941 } | |
| 942 return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE; | |
| 943 } | |
| 944 } | |
| 945 | |
| 946 | |
| 947 jlong java_lang_Thread::thread_id(oop java_thread) { | |
| 948 // The thread ID field is only present starting in 1.5 | |
| 949 if (_tid_offset > 0) { | |
| 950 return java_thread->long_field(_tid_offset); | |
| 951 } else { | |
| 952 return 0; | |
| 953 } | |
| 954 } | |
| 955 | |
| 956 oop java_lang_Thread::park_blocker(oop java_thread) { | |
| 242 | 957 assert(JDK_Version::current().supports_thread_park_blocker() && |
| 958 _park_blocker_offset != 0, "Must support parkBlocker field"); | |
| 0 | 959 |
| 960 if (_park_blocker_offset > 0) { | |
| 961 return java_thread->obj_field(_park_blocker_offset); | |
| 962 } | |
| 963 | |
| 964 return NULL; | |
| 965 } | |
| 966 | |
| 967 jlong java_lang_Thread::park_event(oop java_thread) { | |
| 968 if (_park_event_offset > 0) { | |
| 969 return java_thread->long_field(_park_event_offset); | |
| 970 } | |
| 971 return 0; | |
| 972 } | |
| 973 | |
| 974 bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) { | |
| 975 if (_park_event_offset > 0) { | |
| 976 java_thread->long_field_put(_park_event_offset, ptr); | |
| 977 return true; | |
| 978 } | |
| 979 return false; | |
| 980 } | |
| 981 | |
| 982 | |
| 983 const char* java_lang_Thread::thread_status_name(oop java_thread) { | |
| 984 assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status"); | |
| 985 ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
| 986 switch (status) { | |
| 987 case NEW : return "NEW"; | |
| 988 case RUNNABLE : return "RUNNABLE"; | |
| 989 case SLEEPING : return "TIMED_WAITING (sleeping)"; | |
| 990 case IN_OBJECT_WAIT : return "WAITING (on object monitor)"; | |
| 991 case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)"; | |
| 992 case PARKED : return "WAITING (parking)"; | |
| 993 case PARKED_TIMED : return "TIMED_WAITING (parking)"; | |
| 994 case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)"; | |
| 995 case TERMINATED : return "TERMINATED"; | |
| 996 default : return "UNKNOWN"; | |
| 997 }; | |
| 998 } | |
| 999 int java_lang_ThreadGroup::_parent_offset = 0; | |
| 1000 int java_lang_ThreadGroup::_name_offset = 0; | |
| 1001 int java_lang_ThreadGroup::_threads_offset = 0; | |
| 1002 int java_lang_ThreadGroup::_groups_offset = 0; | |
| 1003 int java_lang_ThreadGroup::_maxPriority_offset = 0; | |
| 1004 int java_lang_ThreadGroup::_destroyed_offset = 0; | |
| 1005 int java_lang_ThreadGroup::_daemon_offset = 0; | |
| 1006 int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0; | |
| 1007 int java_lang_ThreadGroup::_nthreads_offset = 0; | |
| 1008 int java_lang_ThreadGroup::_ngroups_offset = 0; | |
| 1009 | |
| 1010 oop java_lang_ThreadGroup::parent(oop java_thread_group) { | |
| 1011 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1012 return java_thread_group->obj_field(_parent_offset); | |
| 1013 } | |
| 1014 | |
| 1015 // ("name as oop" accessor is not necessary) | |
| 1016 | |
| 1017 typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) { | |
| 1018 oop name = java_thread_group->obj_field(_name_offset); | |
| 1019 // ThreadGroup.name can be null | |
| 1020 return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name); | |
| 1021 } | |
| 1022 | |
| 1023 int java_lang_ThreadGroup::nthreads(oop java_thread_group) { | |
| 1024 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1025 return java_thread_group->int_field(_nthreads_offset); | |
| 1026 } | |
| 1027 | |
| 1028 objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) { | |
| 1029 oop threads = java_thread_group->obj_field(_threads_offset); | |
| 1030 assert(threads != NULL, "threadgroups should have threads"); | |
| 1031 assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code | |
| 1032 return objArrayOop(threads); | |
| 1033 } | |
| 1034 | |
| 1035 int java_lang_ThreadGroup::ngroups(oop java_thread_group) { | |
| 1036 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1037 return java_thread_group->int_field(_ngroups_offset); | |
| 1038 } | |
| 1039 | |
| 1040 objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) { | |
| 1041 oop groups = java_thread_group->obj_field(_groups_offset); | |
| 1042 assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code | |
| 1043 return objArrayOop(groups); | |
| 1044 } | |
| 1045 | |
| 1046 ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) { | |
| 1047 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1048 return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset); | |
| 1049 } | |
| 1050 | |
| 1051 bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) { | |
| 1052 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1053 return java_thread_group->bool_field(_destroyed_offset) != 0; | |
| 1054 } | |
| 1055 | |
| 1056 bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) { | |
| 1057 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1058 return java_thread_group->bool_field(_daemon_offset) != 0; | |
| 1059 } | |
| 1060 | |
| 1061 bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) { | |
| 1062 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1063 return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0; | |
| 1064 } | |
| 1065 | |
| 1066 void java_lang_ThreadGroup::compute_offsets() { | |
| 1067 assert(_parent_offset == 0, "offsets should be initialized only once"); | |
| 1068 | |
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1069 Klass* k = SystemDictionary::ThreadGroup_klass(); |
| 0 | 1070 |
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1071 compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature()); |
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1072 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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1073 compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature()); |
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1074 compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature()); |
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1075 compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature()); |
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1076 compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature()); |
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1077 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
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1078 compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature()); |
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1079 compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature()); |
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1080 compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature()); |
| 0 | 1081 } |
| 1082 | |
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1083 oop java_lang_Throwable::unassigned_stacktrace() { |
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1084 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Throwable_klass()); |
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1085 address addr = ik->static_field_addr(static_unassigned_stacktrace_offset); |
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1086 if (UseCompressedOops) { |
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1087 return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
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1088 } else { |
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1089 return oopDesc::load_decode_heap_oop((oop*)addr); |
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1090 } |
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1091 } |
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1092 |
| 0 | 1093 oop java_lang_Throwable::backtrace(oop throwable) { |
| 1094 return throwable->obj_field_acquire(backtrace_offset); | |
| 1095 } | |
| 1096 | |
| 1097 | |
| 1098 void java_lang_Throwable::set_backtrace(oop throwable, oop value) { | |
| 1099 throwable->release_obj_field_put(backtrace_offset, value); | |
| 1100 } | |
| 1101 | |
| 1102 | |
| 1103 oop java_lang_Throwable::message(oop throwable) { | |
| 1104 return throwable->obj_field(detailMessage_offset); | |
| 1105 } | |
| 1106 | |
| 1107 | |
| 1108 oop java_lang_Throwable::message(Handle throwable) { | |
| 1109 return throwable->obj_field(detailMessage_offset); | |
| 1110 } | |
| 1111 | |
| 1112 | |
| 1113 void java_lang_Throwable::set_message(oop throwable, oop value) { | |
| 1114 throwable->obj_field_put(detailMessage_offset, value); | |
| 1115 } | |
| 1116 | |
| 1117 | |
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1118 void java_lang_Throwable::set_stacktrace(oop throwable, oop st_element_array) { |
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1119 throwable->obj_field_put(stackTrace_offset, st_element_array); |
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1120 } |
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1121 |
| 0 | 1122 void java_lang_Throwable::clear_stacktrace(oop throwable) { |
| 1123 assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); | |
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1124 set_stacktrace(throwable, NULL); |
| 0 | 1125 } |
| 1126 | |
| 1127 | |
| 1128 void java_lang_Throwable::print(oop throwable, outputStream* st) { | |
| 1129 ResourceMark rm; | |
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1130 Klass* k = throwable->klass(); |
| 0 | 1131 assert(k != NULL, "just checking"); |
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1132 st->print("%s", InstanceKlass::cast(k)->external_name()); |
| 0 | 1133 oop msg = message(throwable); |
| 1134 if (msg != NULL) { | |
| 1135 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
| 1136 } | |
| 1137 } | |
| 1138 | |
| 1139 | |
| 1140 void java_lang_Throwable::print(Handle throwable, outputStream* st) { | |
| 1141 ResourceMark rm; | |
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1142 Klass* k = throwable->klass(); |
| 0 | 1143 assert(k != NULL, "just checking"); |
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1144 st->print("%s", InstanceKlass::cast(k)->external_name()); |
| 0 | 1145 oop msg = message(throwable); |
| 1146 if (msg != NULL) { | |
| 1147 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
| 1148 } | |
| 1149 } | |
| 1150 | |
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1151 // After this many redefines, the stack trace is unreliable. |
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1152 const int MAX_VERSION = USHRT_MAX; |
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1153 |
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1154 // Helper backtrace functions to store bci|version together. |
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1155 static inline int merge_bci_and_version(int bci, int version) { |
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1156 // only store u2 for version, checking for overflow. |
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1157 if (version > USHRT_MAX || version < 0) version = MAX_VERSION; |
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1158 assert((jushort)bci == bci, "bci should be short"); |
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1159 return build_int_from_shorts(version, bci); |
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1160 } |
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1161 |
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1162 static inline int bci_at(unsigned int merged) { |
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1163 return extract_high_short_from_int(merged); |
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1164 } |
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1165 static inline int version_at(unsigned int merged) { |
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1166 return extract_low_short_from_int(merged); |
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1167 } |
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1168 |
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1169 static inline bool version_matches(Method* method, int version) { |
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1170 return (method->constants()->version() == version && version < MAX_VERSION); |
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1171 } |
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1172 |
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1173 static inline int get_line_number(Method* method, int bci) { |
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1174 int line_number = 0; |
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1175 if (method->is_native()) { |
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1176 // Negative value different from -1 below, enabling Java code in |
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1177 // class java.lang.StackTraceElement to distinguish "native" from |
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1178 // "no LineNumberTable". JDK tests for -2. |
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1179 line_number = -2; |
| 0 | 1180 } else { |
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1181 // Returns -1 if no LineNumberTable, and otherwise actual line number |
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1182 line_number = method->line_number_from_bci(bci); |
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1183 if (line_number == -1 && ShowHiddenFrames) { |
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1184 line_number = bci + 1000000; |
| 0 | 1185 } |
| 1186 } | |
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1187 return line_number; |
| 0 | 1188 } |
| 1189 | |
| 1190 // This class provides a simple wrapper over the internal structure of | |
| 1191 // exception backtrace to insulate users of the backtrace from needing | |
| 1192 // to know what it looks like. | |
| 1193 class BacktraceBuilder: public StackObj { | |
| 1194 private: | |
| 1195 Handle _backtrace; | |
| 1196 objArrayOop _head; | |
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1197 typeArrayOop _methods; |
| 0 | 1198 typeArrayOop _bcis; |
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1199 objArrayOop _mirrors; |
| 0 | 1200 int _index; |
| 1201 No_Safepoint_Verifier _nsv; | |
| 1202 | |
| 1203 public: | |
| 1204 | |
| 1205 enum { | |
| 1206 trace_methods_offset = java_lang_Throwable::trace_methods_offset, | |
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1207 trace_bcis_offset = java_lang_Throwable::trace_bcis_offset, |
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1208 trace_mirrors_offset = java_lang_Throwable::trace_mirrors_offset, |
| 0 | 1209 trace_next_offset = java_lang_Throwable::trace_next_offset, |
| 1210 trace_size = java_lang_Throwable::trace_size, | |
| 1211 trace_chunk_size = java_lang_Throwable::trace_chunk_size | |
| 1212 }; | |
| 1213 | |
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1214 // get info out of chunks |
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1215 static typeArrayOop get_methods(objArrayHandle chunk) { |
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1216 typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset)); |
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1217 assert(methods != NULL, "method array should be initialized in backtrace"); |
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1218 return methods; |
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1219 } |
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1220 static typeArrayOop get_bcis(objArrayHandle chunk) { |
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1221 typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
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1222 assert(bcis != NULL, "bci array should be initialized in backtrace"); |
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1223 return bcis; |
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1224 } |
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1225 static objArrayOop get_mirrors(objArrayHandle chunk) { |
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1226 objArrayOop mirrors = objArrayOop(chunk->obj_at(trace_mirrors_offset)); |
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1227 assert(mirrors != NULL, "mirror array should be initialized in backtrace"); |
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1228 return mirrors; |
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1229 } |
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1230 |
| 0 | 1231 // constructor for new backtrace |
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1232 BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _mirrors(NULL) { |
| 0 | 1233 expand(CHECK); |
| 1234 _backtrace = _head; | |
| 1235 _index = 0; | |
| 1236 } | |
| 1237 | |
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1238 BacktraceBuilder(objArrayHandle backtrace) { |
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1239 _methods = get_methods(backtrace); |
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1240 _bcis = get_bcis(backtrace); |
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1241 _mirrors = get_mirrors(backtrace); |
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1242 assert(_methods->length() == _bcis->length() && |
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1243 _methods->length() == _mirrors->length(), |
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1244 "method and source information arrays should match"); |
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1245 |
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1246 // head is the preallocated backtrace |
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1247 _backtrace = _head = backtrace(); |
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1248 _index = 0; |
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1249 } |
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1250 |
| 0 | 1251 void expand(TRAPS) { |
| 1252 objArrayHandle old_head(THREAD, _head); | |
| 1253 Pause_No_Safepoint_Verifier pnsv(&_nsv); | |
| 1254 | |
| 1255 objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK); | |
| 1256 objArrayHandle new_head(THREAD, head); | |
| 1257 | |
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1258 typeArrayOop methods = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
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1259 typeArrayHandle new_methods(THREAD, methods); |
| 0 | 1260 |
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1261 typeArrayOop bcis = oopFactory::new_intArray(trace_chunk_size, CHECK); |
| 0 | 1262 typeArrayHandle new_bcis(THREAD, bcis); |
| 1263 | |
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1264 objArrayOop mirrors = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
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1265 objArrayHandle new_mirrors(THREAD, mirrors); |
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1266 |
| 0 | 1267 if (!old_head.is_null()) { |
| 1268 old_head->obj_at_put(trace_next_offset, new_head()); | |
| 1269 } | |
| 1270 new_head->obj_at_put(trace_methods_offset, new_methods()); | |
| 1271 new_head->obj_at_put(trace_bcis_offset, new_bcis()); | |
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1272 new_head->obj_at_put(trace_mirrors_offset, new_mirrors()); |
| 0 | 1273 |
| 1274 _head = new_head(); | |
| 1275 _methods = new_methods(); | |
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1276 _bcis = new_bcis(); |
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1277 _mirrors = new_mirrors(); |
| 0 | 1278 _index = 0; |
| 1279 } | |
| 1280 | |
| 1281 oop backtrace() { | |
| 1282 return _backtrace(); | |
| 1283 } | |
| 1284 | |
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1285 inline void push(Method* method, int bci, TRAPS) { |
|
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1286 // Smear the -1 bci to 0 since the array only holds unsigned |
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1287 // shorts. The later line number lookup would just smear the -1 |
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1288 // to a 0 even if it could be recorded. |
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1289 if (bci == SynchronizationEntryBCI) bci = 0; |
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1290 |
| 0 | 1291 if (_index >= trace_chunk_size) { |
| 1292 methodHandle mhandle(THREAD, method); | |
| 1293 expand(CHECK); | |
| 1294 method = mhandle(); | |
| 1295 } | |
| 1296 | |
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1297 _methods->short_at_put(_index, method->method_idnum()); |
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1298 _bcis->int_at_put(_index, merge_bci_and_version(bci, method->constants()->version())); |
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1299 |
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1300 // We need to save the mirrors in the backtrace to keep the class |
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1301 // from being unloaded while we still have this stack trace. |
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1302 assert(method->method_holder()->java_mirror() != NULL, "never push null for mirror"); |
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1303 _mirrors->obj_at_put(_index, method->method_holder()->java_mirror()); |
| 0 | 1304 _index++; |
| 1305 } | |
| 1306 | |
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1307 }; |
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1308 |
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1309 // Print stack trace element to resource allocated buffer |
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1310 char* java_lang_Throwable::print_stack_element_to_buffer(Handle mirror, |
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1311 int method_id, int version, int bci) { |
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1312 |
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1313 // Get strings and string lengths |
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1314 InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror())); |
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1315 const char* klass_name = holder->external_name(); |
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1316 int buf_len = (int)strlen(klass_name); |
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1317 |
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1318 // pushing to the stack trace added one. |
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1319 Method* method = holder->method_with_idnum(method_id); |
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1320 char* method_name = method->name()->as_C_string(); |
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1321 buf_len += (int)strlen(method_name); |
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1322 |
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1323 char* source_file_name = NULL; |
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1324 if (version_matches(method, version)) { |
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1325 Symbol* source = holder->source_file_name(); |
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1326 if (source != NULL) { |
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1327 source_file_name = source->as_C_string(); |
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1328 buf_len += (int)strlen(source_file_name); |
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1329 } |
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1330 } |
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1331 |
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1332 // Allocate temporary buffer with extra space for formatting and line number |
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1333 char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); |
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1334 |
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1335 // Print stack trace line in buffer |
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1336 sprintf(buf, "\tat %s.%s", klass_name, method_name); |
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1337 |
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1338 if (!version_matches(method, version)) { |
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1339 strcat(buf, "(Redefined)"); |
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1340 } else { |
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1341 int line_number = get_line_number(method, bci); |
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1342 if (line_number == -2) { |
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1343 strcat(buf, "(Native Method)"); |
|
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1344 } else { |
|
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1345 if (source_file_name != NULL && (line_number != -1)) { |
|
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1346 // Sourcename and linenumber |
|
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1347 sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number); |
|
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1348 } else if (source_file_name != NULL) { |
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1349 // Just sourcename |
|
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1350 sprintf(buf + (int)strlen(buf), "(%s)", source_file_name); |
|
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1351 } else { |
|
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1352 // Neither sourcename nor linenumber |
|
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1353 sprintf(buf + (int)strlen(buf), "(Unknown Source)"); |
|
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1354 } |
|
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1355 nmethod* nm = method->code(); |
|
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1356 if (WizardMode && nm != NULL) { |
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1357 sprintf(buf + (int)strlen(buf), "(nmethod " INTPTR_FORMAT ")", (intptr_t)nm); |
|
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1358 } |
|
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1359 } |
| 0 | 1360 } |
| 1361 | |
|
7624
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1362 return buf; |
|
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1363 } |
|
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1364 |
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1365 void java_lang_Throwable::print_stack_element(outputStream *st, Handle mirror, |
|
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1366 int method_id, int version, int bci) { |
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1367 ResourceMark rm; |
|
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1368 char* buf = print_stack_element_to_buffer(mirror, method_id, version, bci); |
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1369 st->print_cr("%s", buf); |
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1370 } |
|
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1371 |
|
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1372 void java_lang_Throwable::print_stack_element(outputStream *st, methodHandle method, int bci) { |
|
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1373 Handle mirror = method->method_holder()->java_mirror(); |
|
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1374 int method_id = method->method_idnum(); |
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1375 int version = method->constants()->version(); |
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1376 print_stack_element(st, mirror, method_id, version, bci); |
|
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1377 } |
|
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1378 |
|
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1379 const char* java_lang_Throwable::no_stack_trace_message() { |
|
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1380 return "\t<<no stack trace available>>"; |
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1381 } |
|
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1382 |
|
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1383 |
|
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1384 // Currently used only for exceptions occurring during startup |
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1385 void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) { |
|
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1386 Thread *THREAD = Thread::current(); |
|
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1387 Handle h_throwable(THREAD, throwable); |
|
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1388 while (h_throwable.not_null()) { |
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1389 objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable()))); |
|
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1390 if (result.is_null()) { |
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1391 st->print_cr(no_stack_trace_message()); |
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1392 return; |
|
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1393 } |
|
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1394 |
|
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1395 while (result.not_null()) { |
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1396 |
|
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1397 // Get method id, bci, version and mirror from chunk |
|
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1398 typeArrayHandle methods (THREAD, BacktraceBuilder::get_methods(result)); |
|
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1399 typeArrayHandle bcis (THREAD, BacktraceBuilder::get_bcis(result)); |
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1400 objArrayHandle mirrors (THREAD, BacktraceBuilder::get_mirrors(result)); |
|
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1401 |
|
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1402 int length = methods()->length(); |
|
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1403 for (int index = 0; index < length; index++) { |
|
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1404 Handle mirror(THREAD, mirrors->obj_at(index)); |
|
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1405 // NULL mirror means end of stack trace |
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1406 if (mirror.is_null()) goto handle_cause; |
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1407 int method = methods->short_at(index); |
|
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1408 int version = version_at(bcis->int_at(index)); |
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1409 int bci = bci_at(bcis->int_at(index)); |
|
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1410 print_stack_element(st, mirror, method, version, bci); |
|
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1411 } |
|
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1412 result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset))); |
|
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1413 } |
|
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1414 handle_cause: |
|
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1415 { |
|
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1416 EXCEPTION_MARK; |
|
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1417 JavaValue cause(T_OBJECT); |
|
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1418 JavaCalls::call_virtual(&cause, |
|
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1419 h_throwable, |
|
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1420 KlassHandle(THREAD, h_throwable->klass()), |
|
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1421 vmSymbols::getCause_name(), |
|
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1422 vmSymbols::void_throwable_signature(), |
|
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|
1423 THREAD); |
|
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1424 // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
|
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1425 if (HAS_PENDING_EXCEPTION) { |
|
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1426 CLEAR_PENDING_EXCEPTION; |
|
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1427 h_throwable = Handle(); |
|
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|
1428 } else { |
|
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1429 h_throwable = Handle(THREAD, (oop) cause.get_jobject()); |
|
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1430 if (h_throwable.not_null()) { |
|
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1431 st->print("Caused by: "); |
|
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1432 print(h_throwable, st); |
|
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1433 st->cr(); |
|
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|
1434 } |
|
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|
1435 } |
|
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|
1436 } |
| 0 | 1437 } |
|
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1438 } |
| 0 | 1439 |
|
3272
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|
1440 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) { |
| 0 | 1441 if (!StackTraceInThrowable) return; |
| 1442 ResourceMark rm(THREAD); | |
| 1443 | |
| 1444 // Start out by clearing the backtrace for this object, in case the VM | |
| 1445 // runs out of memory while allocating the stack trace | |
| 1446 set_backtrace(throwable(), NULL); | |
| 1447 if (JDK_Version::is_gte_jdk14x_version()) { | |
| 1448 // New since 1.4, clear lazily constructed Java level stacktrace if | |
| 1449 // refilling occurs | |
|
3820
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1450 // This is unnecessary in 1.7+ but harmless |
| 0 | 1451 clear_stacktrace(throwable()); |
| 1452 } | |
| 1453 | |
| 1454 int max_depth = MaxJavaStackTraceDepth; | |
| 1455 JavaThread* thread = (JavaThread*)THREAD; | |
| 1456 BacktraceBuilder bt(CHECK); | |
| 1457 | |
|
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1458 // If there is no Java frame just return the method that was being called |
|
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1459 // with bci 0 |
|
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|
1460 if (!thread->has_last_Java_frame()) { |
|
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|
1461 if (max_depth >= 1 && method() != NULL) { |
|
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|
1462 bt.push(method(), 0, CHECK); |
|
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|
1463 set_backtrace(throwable(), bt.backtrace()); |
|
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|
1464 } |
|
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|
1465 return; |
|
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|
1466 } |
|
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|
1467 |
| 0 | 1468 // Instead of using vframe directly, this version of fill_in_stack_trace |
| 1469 // basically handles everything by hand. This significantly improved the | |
| 1470 // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows. | |
| 1471 // See bug 6333838 for more details. | |
| 1472 // The "ASSERT" here is to verify this method generates the exactly same stack | |
| 1473 // trace as utilizing vframe. | |
| 1474 #ifdef ASSERT | |
| 1475 vframeStream st(thread); | |
| 1476 methodHandle st_method(THREAD, st.method()); | |
| 1477 #endif | |
| 1478 int total_count = 0; | |
| 1479 RegisterMap map(thread, false); | |
| 1480 int decode_offset = 0; | |
| 1481 nmethod* nm = NULL; | |
| 1482 bool skip_fillInStackTrace_check = false; | |
| 1483 bool skip_throwableInit_check = false; | |
|
6267
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7187290: nightly failures after JSR 292 lazy method handle update
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1484 bool skip_hidden = !ShowHiddenFrames; |
| 0 | 1485 |
| 1486 for (frame fr = thread->last_frame(); max_depth != total_count;) { | |
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1487 Method* method = NULL; |
| 0 | 1488 int bci = 0; |
| 1489 | |
| 1490 // Compiled java method case. | |
| 1491 if (decode_offset != 0) { | |
| 1492 DebugInfoReadStream stream(nm, decode_offset); | |
| 1493 decode_offset = stream.read_int(); | |
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1494 method = (Method*)nm->metadata_at(stream.read_int()); |
|
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1495 bci = stream.read_bci(); |
| 0 | 1496 } else { |
| 1497 if (fr.is_first_frame()) break; | |
| 1498 address pc = fr.pc(); | |
| 1499 if (fr.is_interpreted_frame()) { | |
| 1500 intptr_t bcx = fr.interpreter_frame_bcx(); | |
| 1501 method = fr.interpreter_frame_method(); | |
| 1502 bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx); | |
| 1503 fr = fr.sender(&map); | |
| 1504 } else { | |
| 1505 CodeBlob* cb = fr.cb(); | |
| 1506 // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL | |
| 1507 // but non nmethod | |
| 1508 fr = fr.sender(&map); | |
| 1509 if (cb == NULL || !cb->is_nmethod()) { | |
| 1510 continue; | |
| 1511 } | |
| 1512 nm = (nmethod*)cb; | |
| 1513 if (nm->method()->is_native()) { | |
| 1514 method = nm->method(); | |
| 1515 bci = 0; | |
| 1516 } else { | |
| 1517 PcDesc* pd = nm->pc_desc_at(pc); | |
| 1518 decode_offset = pd->scope_decode_offset(); | |
| 1519 // if decode_offset is not equal to 0, it will execute the | |
| 1520 // "compiled java method case" at the beginning of the loop. | |
| 1521 continue; | |
| 1522 } | |
| 1523 } | |
| 1524 } | |
| 1525 #ifdef ASSERT | |
|
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1526 assert(st_method() == method && st.bci() == bci, |
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1527 "Wrong stack trace"); |
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1528 st.next(); |
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1529 // vframeStream::method isn't GC-safe so store off a copy |
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1530 // of the Method* in case we GC. |
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1531 if (!st.at_end()) { |
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1532 st_method = st.method(); |
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1533 } |
| 0 | 1534 #endif |
|
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1535 |
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1536 // the format of the stacktrace will be: |
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1537 // - 1 or more fillInStackTrace frames for the exception class (skipped) |
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1538 // - 0 or more <init> methods for the exception class (skipped) |
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1539 // - rest of the stack |
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1540 |
| 0 | 1541 if (!skip_fillInStackTrace_check) { |
|
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1542 if ((method->name() == vmSymbols::fillInStackTrace_name() || |
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1543 method->name() == vmSymbols::fillInStackTrace0_name()) && |
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1544 throwable->is_a(method->method_holder())) { |
| 0 | 1545 continue; |
| 1546 } | |
|
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1547 else { |
|
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1548 skip_fillInStackTrace_check = true; // gone past them all |
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1549 } |
| 0 | 1550 } |
| 1551 if (!skip_throwableInit_check) { | |
|
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1552 assert(skip_fillInStackTrace_check, "logic error in backtrace filtering"); |
|
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1553 |
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1554 // skip <init> methods of the exception class and superclasses |
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1555 // This is simlar to classic VM. |
| 0 | 1556 if (method->name() == vmSymbols::object_initializer_name() && |
| 1557 throwable->is_a(method->method_holder())) { | |
| 1558 continue; | |
| 1559 } else { | |
|
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1560 // there are none or we've seen them all - either way stop checking |
| 0 | 1561 skip_throwableInit_check = true; |
| 1562 } | |
| 1563 } | |
|
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1564 if (method->is_hidden()) { |
|
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1565 if (skip_hidden) continue; |
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1566 } |
| 0 | 1567 bt.push(method, bci, CHECK); |
| 1568 total_count++; | |
| 1569 } | |
| 1570 | |
| 1571 // Put completed stack trace into throwable object | |
| 1572 set_backtrace(throwable(), bt.backtrace()); | |
| 1573 } | |
| 1574 | |
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1575 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) { |
| 0 | 1576 // No-op if stack trace is disabled |
| 1577 if (!StackTraceInThrowable) { | |
| 1578 return; | |
| 1579 } | |
| 1580 | |
| 1581 // Disable stack traces for some preallocated out of memory errors | |
| 1582 if (!Universe::should_fill_in_stack_trace(throwable)) { | |
| 1583 return; | |
| 1584 } | |
| 1585 | |
| 1586 PRESERVE_EXCEPTION_MARK; | |
| 1587 | |
| 1588 JavaThread* thread = JavaThread::active(); | |
|
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1589 fill_in_stack_trace(throwable, method, thread); |
| 0 | 1590 // ignore exceptions thrown during stack trace filling |
| 1591 CLEAR_PENDING_EXCEPTION; | |
| 1592 } | |
| 1593 | |
| 1594 void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) { | |
| 1595 // Allocate stack trace - backtrace is created but not filled in | |
| 1596 | |
| 1597 // No-op if stack trace is disabled | |
| 1598 if (!StackTraceInThrowable) return; | |
|
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1599 BacktraceBuilder bt(CHECK); // creates a backtrace |
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1600 set_backtrace(throwable(), bt.backtrace()); |
| 0 | 1601 } |
| 1602 | |
| 1603 | |
| 1604 void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) { | |
| 1605 // Fill in stack trace into preallocated backtrace (no GC) | |
| 1606 | |
| 1607 // No-op if stack trace is disabled | |
| 1608 if (!StackTraceInThrowable) return; | |
| 1609 | |
| 1142 | 1610 assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check"); |
| 0 | 1611 |
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1612 JavaThread* THREAD = JavaThread::current(); |
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1613 |
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1614 objArrayHandle backtrace (THREAD, (objArrayOop)java_lang_Throwable::backtrace(throwable())); |
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1615 assert(backtrace.not_null(), "backtrace should have been preallocated"); |
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1616 |
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1617 ResourceMark rm(THREAD); |
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1618 vframeStream st(THREAD); |
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1619 |
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1620 BacktraceBuilder bt(backtrace); |
| 0 | 1621 |
| 1622 // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init | |
| 1623 // methods as preallocated errors aren't created by "java" code. | |
| 1624 | |
| 1625 // fill in as much stack trace as possible | |
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1626 typeArrayOop methods = BacktraceBuilder::get_methods(backtrace); |
| 0 | 1627 int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth); |
| 1628 int chunk_count = 0; | |
| 1629 | |
| 1630 for (;!st.at_end(); st.next()) { | |
|
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1631 bt.push(st.method(), st.bci(), CHECK); |
| 0 | 1632 chunk_count++; |
| 1633 | |
| 1634 // Bail-out for deep stacks | |
| 1635 if (chunk_count >= max_chunks) break; | |
| 1636 } | |
|
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1637 |
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1638 // For Java 7+ we support the Throwable immutability protocol defined for Java 7. This support |
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1639 // was missing in 7u0 so in 7u0 there is a workaround in the Throwable class. That workaround |
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1640 // can be removed in a JDK using this JVM version |
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1641 if (JDK_Version::is_gte_jdk17x_version()) { |
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1642 java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace()); |
|
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1643 assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized"); |
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1644 } |
| 0 | 1645 } |
| 1646 | |
| 1647 | |
| 1648 int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) { | |
| 1649 if (throwable == NULL) { | |
| 1650 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
| 1651 } | |
| 1652 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
| 1653 int depth = 0; | |
| 1654 if (chunk != NULL) { | |
| 1655 // Iterate over chunks and count full ones | |
| 1656 while (true) { | |
| 1657 objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset)); | |
| 1658 if (next == NULL) break; | |
| 1659 depth += trace_chunk_size; | |
| 1660 chunk = next; | |
| 1661 } | |
| 1662 assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check"); | |
|
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1663 // Count element in remaining partial chunk. NULL value for mirror |
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1664 // marks the end of the stack trace elements that are saved. |
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1665 objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk); |
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1666 assert(mirrors != NULL, "sanity check"); |
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1667 for (int i = 0; i < mirrors->length(); i++) { |
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1668 if (mirrors->obj_at(i) == NULL) break; |
| 0 | 1669 depth++; |
| 1670 } | |
| 1671 } | |
| 1672 return depth; | |
| 1673 } | |
| 1674 | |
| 1675 | |
| 1676 oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) { | |
| 1677 if (throwable == NULL) { | |
| 1678 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
| 1679 } | |
| 1680 if (index < 0) { | |
| 1681 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
| 1682 } | |
| 1683 // Compute how many chunks to skip and index into actual chunk | |
| 1684 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
| 1685 int skip_chunks = index / trace_chunk_size; | |
| 1686 int chunk_index = index % trace_chunk_size; | |
| 1687 while (chunk != NULL && skip_chunks > 0) { | |
| 1688 chunk = objArrayOop(chunk->obj_at(trace_next_offset)); | |
| 1689 skip_chunks--; | |
| 1690 } | |
| 1691 if (chunk == NULL) { | |
| 1692 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
| 1693 } | |
|
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1694 // Get method id, bci, version and mirror from chunk |
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1695 typeArrayOop methods = BacktraceBuilder::get_methods(chunk); |
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1696 typeArrayOop bcis = BacktraceBuilder::get_bcis(chunk); |
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1697 objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk); |
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1698 |
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1699 assert(methods != NULL && bcis != NULL && mirrors != NULL, "sanity check"); |
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1700 |
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1701 int method = methods->short_at(chunk_index); |
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1702 int version = version_at(bcis->int_at(chunk_index)); |
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1703 int bci = bci_at(bcis->int_at(chunk_index)); |
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1704 Handle mirror(THREAD, mirrors->obj_at(chunk_index)); |
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1705 |
| 0 | 1706 // Chunk can be partial full |
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1707 if (mirror.is_null()) { |
| 0 | 1708 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
| 1709 } | |
| 1710 | |
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1711 oop element = java_lang_StackTraceElement::create(mirror, method, version, bci, CHECK_0); |
| 0 | 1712 return element; |
| 1713 } | |
| 1714 | |
|
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1715 oop java_lang_StackTraceElement::create(Handle mirror, int method_id, int version, int bci, TRAPS) { |
| 0 | 1716 // Allocate java.lang.StackTraceElement instance |
|
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1717 Klass* k = SystemDictionary::StackTraceElement_klass(); |
|
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1718 assert(k != NULL, "must be loaded in 1.4+"); |
| 0 | 1719 instanceKlassHandle ik (THREAD, k); |
| 1720 if (ik->should_be_initialized()) { | |
| 1721 ik->initialize(CHECK_0); | |
| 1722 } | |
| 1723 | |
| 1724 Handle element = ik->allocate_instance_handle(CHECK_0); | |
| 1725 // Fill in class name | |
| 1726 ResourceMark rm(THREAD); | |
|
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1727 InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror())); |
|
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1728 const char* str = holder->external_name(); |
| 0 | 1729 oop classname = StringTable::intern((char*) str, CHECK_0); |
| 1730 java_lang_StackTraceElement::set_declaringClass(element(), classname); | |
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1731 |
| 0 | 1732 // Fill in method name |
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1733 Method* method = holder->method_with_idnum(method_id); |
| 0 | 1734 oop methodname = StringTable::intern(method->name(), CHECK_0); |
| 1735 java_lang_StackTraceElement::set_methodName(element(), methodname); | |
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1736 |
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1737 if (!version_matches(method, version)) { |
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1738 // The method was redefined, accurate line number information isn't available |
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1739 java_lang_StackTraceElement::set_fileName(element(), NULL); |
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1740 java_lang_StackTraceElement::set_lineNumber(element(), -1); |
| 0 | 1741 } else { |
|
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1742 // Fill in source file name and line number. |
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1743 Symbol* source = holder->source_file_name(); |
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1744 if (ShowHiddenFrames && source == NULL) |
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1745 source = vmSymbols::unknown_class_name(); |
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1746 oop filename = StringTable::intern(source, CHECK_0); |
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1747 java_lang_StackTraceElement::set_fileName(element(), filename); |
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1748 |
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1749 int line_number = get_line_number(method, bci); |
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1750 java_lang_StackTraceElement::set_lineNumber(element(), line_number); |
| 0 | 1751 } |
| 1752 return element(); | |
| 1753 } | |
| 1754 | |
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1755 oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) { |
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1756 Handle mirror (THREAD, method->method_holder()->java_mirror()); |
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1757 int method_id = method->method_idnum(); |
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1758 return create(mirror, method_id, method->constants()->version(), bci, THREAD); |
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1759 } |
| 0 | 1760 |
| 1761 void java_lang_reflect_AccessibleObject::compute_offsets() { | |
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1762 Klass* k = SystemDictionary::reflect_AccessibleObject_klass(); |
|
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1763 compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature()); |
| 0 | 1764 } |
| 1765 | |
| 1766 jboolean java_lang_reflect_AccessibleObject::override(oop reflect) { | |
| 1767 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1768 return (jboolean) reflect->bool_field(override_offset); | |
| 1769 } | |
| 1770 | |
| 1771 void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) { | |
| 1772 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1773 reflect->bool_field_put(override_offset, (int) value); | |
| 1774 } | |
| 1775 | |
| 1776 void java_lang_reflect_Method::compute_offsets() { | |
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1777 Klass* k = SystemDictionary::reflect_Method_klass(); |
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1778 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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1779 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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1780 compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature()); |
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1781 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
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1782 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
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1783 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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1784 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
| 0 | 1785 // The generic signature and annotations fields are only present in 1.5 |
| 1786 signature_offset = -1; | |
| 1787 annotations_offset = -1; | |
| 1788 parameter_annotations_offset = -1; | |
| 1789 annotation_default_offset = -1; | |
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1790 type_annotations_offset = -1; |
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1791 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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1792 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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1793 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
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1794 compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature()); |
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1795 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
| 0 | 1796 } |
| 1797 | |
| 1798 Handle java_lang_reflect_Method::create(TRAPS) { | |
| 1799 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
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1800 Klass* klass = SystemDictionary::reflect_Method_klass(); |
| 0 | 1801 // This class is eagerly initialized during VM initialization, since we keep a refence |
| 1802 // to one of the methods | |
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1803 assert(InstanceKlass::cast(klass)->is_initialized(), "must be initialized"); |
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1804 return InstanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH); |
| 0 | 1805 } |
| 1806 | |
| 1807 oop java_lang_reflect_Method::clazz(oop reflect) { | |
| 1808 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1809 return reflect->obj_field(clazz_offset); | |
| 1810 } | |
| 1811 | |
| 1812 void java_lang_reflect_Method::set_clazz(oop reflect, oop value) { | |
| 1813 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1814 reflect->obj_field_put(clazz_offset, value); | |
| 1815 } | |
| 1816 | |
| 1817 int java_lang_reflect_Method::slot(oop reflect) { | |
| 1818 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1819 return reflect->int_field(slot_offset); | |
| 1820 } | |
| 1821 | |
| 1822 void java_lang_reflect_Method::set_slot(oop reflect, int value) { | |
| 1823 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1824 reflect->int_field_put(slot_offset, value); | |
| 1825 } | |
| 1826 | |
| 1827 oop java_lang_reflect_Method::name(oop method) { | |
| 1828 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1829 return method->obj_field(name_offset); | |
| 1830 } | |
| 1831 | |
| 1832 void java_lang_reflect_Method::set_name(oop method, oop value) { | |
| 1833 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1834 method->obj_field_put(name_offset, value); | |
| 1835 } | |
| 1836 | |
| 1837 oop java_lang_reflect_Method::return_type(oop method) { | |
| 1838 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1839 return method->obj_field(returnType_offset); | |
| 1840 } | |
| 1841 | |
| 1842 void java_lang_reflect_Method::set_return_type(oop method, oop value) { | |
| 1843 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1844 method->obj_field_put(returnType_offset, value); | |
| 1845 } | |
| 1846 | |
| 1847 oop java_lang_reflect_Method::parameter_types(oop method) { | |
| 1848 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1849 return method->obj_field(parameterTypes_offset); | |
| 1850 } | |
| 1851 | |
| 1852 void java_lang_reflect_Method::set_parameter_types(oop method, oop value) { | |
| 1853 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1854 method->obj_field_put(parameterTypes_offset, value); | |
| 1855 } | |
| 1856 | |
| 1857 oop java_lang_reflect_Method::exception_types(oop method) { | |
| 1858 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1859 return method->obj_field(exceptionTypes_offset); | |
| 1860 } | |
| 1861 | |
| 1862 void java_lang_reflect_Method::set_exception_types(oop method, oop value) { | |
| 1863 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1864 method->obj_field_put(exceptionTypes_offset, value); | |
| 1865 } | |
| 1866 | |
| 1867 int java_lang_reflect_Method::modifiers(oop method) { | |
| 1868 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1869 return method->int_field(modifiers_offset); | |
| 1870 } | |
| 1871 | |
| 1872 void java_lang_reflect_Method::set_modifiers(oop method, int value) { | |
| 1873 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1874 method->int_field_put(modifiers_offset, value); | |
| 1875 } | |
| 1876 | |
| 1877 bool java_lang_reflect_Method::has_signature_field() { | |
| 1878 return (signature_offset >= 0); | |
| 1879 } | |
| 1880 | |
| 1881 oop java_lang_reflect_Method::signature(oop method) { | |
| 1882 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1883 assert(has_signature_field(), "signature field must be present"); | |
| 1884 return method->obj_field(signature_offset); | |
| 1885 } | |
| 1886 | |
| 1887 void java_lang_reflect_Method::set_signature(oop method, oop value) { | |
| 1888 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1889 assert(has_signature_field(), "signature field must be present"); | |
| 1890 method->obj_field_put(signature_offset, value); | |
| 1891 } | |
| 1892 | |
| 1893 bool java_lang_reflect_Method::has_annotations_field() { | |
| 1894 return (annotations_offset >= 0); | |
| 1895 } | |
| 1896 | |
| 1897 oop java_lang_reflect_Method::annotations(oop method) { | |
| 1898 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1899 assert(has_annotations_field(), "annotations field must be present"); | |
| 1900 return method->obj_field(annotations_offset); | |
| 1901 } | |
| 1902 | |
| 1903 void java_lang_reflect_Method::set_annotations(oop method, oop value) { | |
| 1904 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1905 assert(has_annotations_field(), "annotations field must be present"); | |
| 1906 method->obj_field_put(annotations_offset, value); | |
| 1907 } | |
| 1908 | |
| 1909 bool java_lang_reflect_Method::has_parameter_annotations_field() { | |
| 1910 return (parameter_annotations_offset >= 0); | |
| 1911 } | |
| 1912 | |
| 1913 oop java_lang_reflect_Method::parameter_annotations(oop method) { | |
| 1914 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1915 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 1916 return method->obj_field(parameter_annotations_offset); | |
| 1917 } | |
| 1918 | |
| 1919 void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) { | |
| 1920 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1921 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 1922 method->obj_field_put(parameter_annotations_offset, value); | |
| 1923 } | |
| 1924 | |
| 1925 bool java_lang_reflect_Method::has_annotation_default_field() { | |
| 1926 return (annotation_default_offset >= 0); | |
| 1927 } | |
| 1928 | |
| 1929 oop java_lang_reflect_Method::annotation_default(oop method) { | |
| 1930 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1931 assert(has_annotation_default_field(), "annotation default field must be present"); | |
| 1932 return method->obj_field(annotation_default_offset); | |
| 1933 } | |
| 1934 | |
| 1935 void java_lang_reflect_Method::set_annotation_default(oop method, oop value) { | |
| 1936 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1937 assert(has_annotation_default_field(), "annotation default field must be present"); | |
| 1938 method->obj_field_put(annotation_default_offset, value); | |
| 1939 } | |
| 1940 | |
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1941 bool java_lang_reflect_Method::has_type_annotations_field() { |
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1942 return (type_annotations_offset >= 0); |
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1943 } |
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1944 |
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1945 oop java_lang_reflect_Method::type_annotations(oop method) { |
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1946 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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1947 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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1948 return method->obj_field(type_annotations_offset); |
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1949 } |
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1950 |
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1951 void java_lang_reflect_Method::set_type_annotations(oop method, oop value) { |
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1952 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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1953 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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1954 method->obj_field_put(type_annotations_offset, value); |
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1955 } |
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1956 |
| 0 | 1957 void java_lang_reflect_Constructor::compute_offsets() { |
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1958 Klass* k = SystemDictionary::reflect_Constructor_klass(); |
|
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1959 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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1960 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
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1961 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
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1962 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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1963 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
| 0 | 1964 // The generic signature and annotations fields are only present in 1.5 |
| 1965 signature_offset = -1; | |
| 1966 annotations_offset = -1; | |
| 1967 parameter_annotations_offset = -1; | |
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1968 type_annotations_offset = -1; |
|
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1969 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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1970 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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1971 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
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1972 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
| 0 | 1973 } |
| 1974 | |
| 1975 Handle java_lang_reflect_Constructor::create(TRAPS) { | |
| 1976 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
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1977 Symbol* name = vmSymbols::java_lang_reflect_Constructor(); |
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1978 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
| 0 | 1979 instanceKlassHandle klass (THREAD, k); |
| 1980 // Ensure it is initialized | |
| 1981 klass->initialize(CHECK_NH); | |
| 1982 return klass->allocate_instance_handle(CHECK_NH); | |
| 1983 } | |
| 1984 | |
| 1985 oop java_lang_reflect_Constructor::clazz(oop reflect) { | |
| 1986 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1987 return reflect->obj_field(clazz_offset); | |
| 1988 } | |
| 1989 | |
| 1990 void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) { | |
| 1991 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1992 reflect->obj_field_put(clazz_offset, value); | |
| 1993 } | |
| 1994 | |
| 1995 oop java_lang_reflect_Constructor::parameter_types(oop constructor) { | |
| 1996 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1997 return constructor->obj_field(parameterTypes_offset); | |
| 1998 } | |
| 1999 | |
| 2000 void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) { | |
| 2001 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2002 constructor->obj_field_put(parameterTypes_offset, value); | |
| 2003 } | |
| 2004 | |
| 2005 oop java_lang_reflect_Constructor::exception_types(oop constructor) { | |
| 2006 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2007 return constructor->obj_field(exceptionTypes_offset); | |
| 2008 } | |
| 2009 | |
| 2010 void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) { | |
| 2011 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2012 constructor->obj_field_put(exceptionTypes_offset, value); | |
| 2013 } | |
| 2014 | |
| 2015 int java_lang_reflect_Constructor::slot(oop reflect) { | |
| 2016 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2017 return reflect->int_field(slot_offset); | |
| 2018 } | |
| 2019 | |
| 2020 void java_lang_reflect_Constructor::set_slot(oop reflect, int value) { | |
| 2021 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2022 reflect->int_field_put(slot_offset, value); | |
| 2023 } | |
| 2024 | |
| 2025 int java_lang_reflect_Constructor::modifiers(oop constructor) { | |
| 2026 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2027 return constructor->int_field(modifiers_offset); | |
| 2028 } | |
| 2029 | |
| 2030 void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) { | |
| 2031 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2032 constructor->int_field_put(modifiers_offset, value); | |
| 2033 } | |
| 2034 | |
| 2035 bool java_lang_reflect_Constructor::has_signature_field() { | |
| 2036 return (signature_offset >= 0); | |
| 2037 } | |
| 2038 | |
| 2039 oop java_lang_reflect_Constructor::signature(oop constructor) { | |
| 2040 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2041 assert(has_signature_field(), "signature field must be present"); | |
| 2042 return constructor->obj_field(signature_offset); | |
| 2043 } | |
| 2044 | |
| 2045 void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) { | |
| 2046 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2047 assert(has_signature_field(), "signature field must be present"); | |
| 2048 constructor->obj_field_put(signature_offset, value); | |
| 2049 } | |
| 2050 | |
| 2051 bool java_lang_reflect_Constructor::has_annotations_field() { | |
| 2052 return (annotations_offset >= 0); | |
| 2053 } | |
| 2054 | |
| 2055 oop java_lang_reflect_Constructor::annotations(oop constructor) { | |
| 2056 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2057 assert(has_annotations_field(), "annotations field must be present"); | |
| 2058 return constructor->obj_field(annotations_offset); | |
| 2059 } | |
| 2060 | |
| 2061 void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) { | |
| 2062 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2063 assert(has_annotations_field(), "annotations field must be present"); | |
| 2064 constructor->obj_field_put(annotations_offset, value); | |
| 2065 } | |
| 2066 | |
| 2067 bool java_lang_reflect_Constructor::has_parameter_annotations_field() { | |
| 2068 return (parameter_annotations_offset >= 0); | |
| 2069 } | |
| 2070 | |
| 2071 oop java_lang_reflect_Constructor::parameter_annotations(oop method) { | |
| 2072 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2073 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 2074 return method->obj_field(parameter_annotations_offset); | |
| 2075 } | |
| 2076 | |
| 2077 void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) { | |
| 2078 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2079 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 2080 method->obj_field_put(parameter_annotations_offset, value); | |
| 2081 } | |
| 2082 | |
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2083 bool java_lang_reflect_Constructor::has_type_annotations_field() { |
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2084 return (type_annotations_offset >= 0); |
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2085 } |
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2086 |
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2087 oop java_lang_reflect_Constructor::type_annotations(oop constructor) { |
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2088 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2089 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2090 return constructor->obj_field(type_annotations_offset); |
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2091 } |
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2092 |
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2093 void java_lang_reflect_Constructor::set_type_annotations(oop constructor, oop value) { |
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2094 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2095 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2096 constructor->obj_field_put(type_annotations_offset, value); |
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2097 } |
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2098 |
| 0 | 2099 void java_lang_reflect_Field::compute_offsets() { |
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2100 Klass* k = SystemDictionary::reflect_Field_klass(); |
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2101 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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2102 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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2103 compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature()); |
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2104 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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2105 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
| 0 | 2106 // The generic signature and annotations fields are only present in 1.5 |
| 2107 signature_offset = -1; | |
| 2108 annotations_offset = -1; | |
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2109 type_annotations_offset = -1; |
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2110 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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2111 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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2112 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
| 0 | 2113 } |
| 2114 | |
| 2115 Handle java_lang_reflect_Field::create(TRAPS) { | |
| 2116 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
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2117 Symbol* name = vmSymbols::java_lang_reflect_Field(); |
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2118 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
| 0 | 2119 instanceKlassHandle klass (THREAD, k); |
| 2120 // Ensure it is initialized | |
| 2121 klass->initialize(CHECK_NH); | |
| 2122 return klass->allocate_instance_handle(CHECK_NH); | |
| 2123 } | |
| 2124 | |
| 2125 oop java_lang_reflect_Field::clazz(oop reflect) { | |
| 2126 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2127 return reflect->obj_field(clazz_offset); | |
| 2128 } | |
| 2129 | |
| 2130 void java_lang_reflect_Field::set_clazz(oop reflect, oop value) { | |
| 2131 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2132 reflect->obj_field_put(clazz_offset, value); | |
| 2133 } | |
| 2134 | |
| 2135 oop java_lang_reflect_Field::name(oop field) { | |
| 2136 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2137 return field->obj_field(name_offset); | |
| 2138 } | |
| 2139 | |
| 2140 void java_lang_reflect_Field::set_name(oop field, oop value) { | |
| 2141 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2142 field->obj_field_put(name_offset, value); | |
| 2143 } | |
| 2144 | |
| 2145 oop java_lang_reflect_Field::type(oop field) { | |
| 2146 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2147 return field->obj_field(type_offset); | |
| 2148 } | |
| 2149 | |
| 2150 void java_lang_reflect_Field::set_type(oop field, oop value) { | |
| 2151 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2152 field->obj_field_put(type_offset, value); | |
| 2153 } | |
| 2154 | |
| 2155 int java_lang_reflect_Field::slot(oop reflect) { | |
| 2156 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2157 return reflect->int_field(slot_offset); | |
| 2158 } | |
| 2159 | |
| 2160 void java_lang_reflect_Field::set_slot(oop reflect, int value) { | |
| 2161 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2162 reflect->int_field_put(slot_offset, value); | |
| 2163 } | |
| 2164 | |
| 2165 int java_lang_reflect_Field::modifiers(oop field) { | |
| 2166 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2167 return field->int_field(modifiers_offset); | |
| 2168 } | |
| 2169 | |
| 2170 void java_lang_reflect_Field::set_modifiers(oop field, int value) { | |
| 2171 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2172 field->int_field_put(modifiers_offset, value); | |
| 2173 } | |
| 2174 | |
| 2175 bool java_lang_reflect_Field::has_signature_field() { | |
| 2176 return (signature_offset >= 0); | |
| 2177 } | |
| 2178 | |
| 2179 oop java_lang_reflect_Field::signature(oop field) { | |
| 2180 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2181 assert(has_signature_field(), "signature field must be present"); | |
| 2182 return field->obj_field(signature_offset); | |
| 2183 } | |
| 2184 | |
| 2185 void java_lang_reflect_Field::set_signature(oop field, oop value) { | |
| 2186 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2187 assert(has_signature_field(), "signature field must be present"); | |
| 2188 field->obj_field_put(signature_offset, value); | |
| 2189 } | |
| 2190 | |
| 2191 bool java_lang_reflect_Field::has_annotations_field() { | |
| 2192 return (annotations_offset >= 0); | |
| 2193 } | |
| 2194 | |
| 2195 oop java_lang_reflect_Field::annotations(oop field) { | |
| 2196 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2197 assert(has_annotations_field(), "annotations field must be present"); | |
| 2198 return field->obj_field(annotations_offset); | |
| 2199 } | |
| 2200 | |
| 2201 void java_lang_reflect_Field::set_annotations(oop field, oop value) { | |
| 2202 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2203 assert(has_annotations_field(), "annotations field must be present"); | |
| 2204 field->obj_field_put(annotations_offset, value); | |
| 2205 } | |
| 2206 | |
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2207 bool java_lang_reflect_Field::has_type_annotations_field() { |
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2208 return (type_annotations_offset >= 0); |
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2209 } |
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2210 |
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2211 oop java_lang_reflect_Field::type_annotations(oop field) { |
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2212 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2213 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2214 return field->obj_field(type_annotations_offset); |
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2215 } |
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2216 |
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2217 void java_lang_reflect_Field::set_type_annotations(oop field, oop value) { |
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2218 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2219 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2220 field->obj_field_put(type_annotations_offset, value); |
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2221 } |
| 0 | 2222 |
| 2223 void sun_reflect_ConstantPool::compute_offsets() { | |
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2224 Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
| 0 | 2225 // This null test can be removed post beta |
| 2226 if (k != NULL) { | |
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2227 // The field is called ConstantPool* in the sun.reflect.ConstantPool class. |
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2228 compute_offset(_oop_offset, k, vmSymbols::ConstantPool_name(), vmSymbols::object_signature()); |
| 0 | 2229 } |
| 2230 } | |
| 2231 | |
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2232 void java_lang_reflect_Parameter::compute_offsets() { |
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2233 Klass* k = SystemDictionary::reflect_Parameter_klass(); |
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2234 if(NULL != k) { |
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2235 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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2236 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
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2237 compute_offset(index_offset, k, vmSymbols::index_name(), vmSymbols::int_signature()); |
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2238 compute_offset(executable_offset, k, vmSymbols::executable_name(), vmSymbols::executable_signature()); |
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2239 } |
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2240 } |
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2241 |
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2242 Handle java_lang_reflect_Parameter::create(TRAPS) { |
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2243 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2244 Symbol* name = vmSymbols::java_lang_reflect_Parameter(); |
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2245 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
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2246 instanceKlassHandle klass (THREAD, k); |
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2247 // Ensure it is initialized |
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2248 klass->initialize(CHECK_NH); |
|
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2249 return klass->allocate_instance_handle(CHECK_NH); |
|
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|
2250 } |
|
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|
2251 |
|
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|
2252 oop java_lang_reflect_Parameter::name(oop param) { |
|
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|
2253 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2254 return param->obj_field(name_offset); |
|
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|
2255 } |
|
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|
2256 |
|
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|
2257 void java_lang_reflect_Parameter::set_name(oop param, oop value) { |
|
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|
2258 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2259 param->obj_field_put(name_offset, value); |
|
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|
2260 } |
|
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|
2261 |
|
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|
2262 int java_lang_reflect_Parameter::modifiers(oop param) { |
|
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|
2263 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2264 return param->int_field(modifiers_offset); |
|
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|
2265 } |
|
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|
2266 |
|
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|
2267 void java_lang_reflect_Parameter::set_modifiers(oop param, int value) { |
|
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|
2268 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2269 param->int_field_put(modifiers_offset, value); |
|
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|
2270 } |
|
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|
2271 |
|
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|
2272 int java_lang_reflect_Parameter::index(oop param) { |
|
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|
2273 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2274 return param->int_field(index_offset); |
|
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|
2275 } |
|
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|
2276 |
|
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|
2277 void java_lang_reflect_Parameter::set_index(oop param, int value) { |
|
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|
2278 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2279 param->int_field_put(index_offset, value); |
|
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|
2280 } |
|
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|
2281 |
|
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|
2282 oop java_lang_reflect_Parameter::executable(oop param) { |
|
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|
2283 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2284 return param->obj_field(executable_offset); |
|
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|
2285 } |
|
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|
2286 |
|
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|
2287 void java_lang_reflect_Parameter::set_executable(oop param, oop value) { |
|
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|
2288 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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|
2289 param->obj_field_put(executable_offset, value); |
|
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|
2290 } |
|
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|
2291 |
| 0 | 2292 |
| 2293 Handle sun_reflect_ConstantPool::create(TRAPS) { | |
| 2294 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
6725
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|
2295 Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
| 0 | 2296 instanceKlassHandle klass (THREAD, k); |
| 2297 // Ensure it is initialized | |
| 2298 klass->initialize(CHECK_NH); | |
| 2299 return klass->allocate_instance_handle(CHECK_NH); | |
| 2300 } | |
| 2301 | |
| 2302 | |
|
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2303 void sun_reflect_ConstantPool::set_cp(oop reflect, ConstantPool* value) { |
| 0 | 2304 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
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2305 oop mirror = value->pool_holder()->java_mirror(); |
|
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2306 // Save the mirror to get back the constant pool. |
|
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2307 reflect->obj_field_put(_oop_offset, mirror); |
| 0 | 2308 } |
| 2309 | |
|
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2310 ConstantPool* sun_reflect_ConstantPool::get_cp(oop reflect) { |
| 0 | 2311 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
6725
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2312 |
|
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|
2313 oop mirror = reflect->obj_field(_oop_offset); |
|
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2314 Klass* k = java_lang_Class::as_Klass(mirror); |
|
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2315 assert(k->oop_is_instance(), "Must be"); |
|
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2316 |
|
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|
2317 // Get the constant pool back from the klass. Since class redefinition |
|
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|
2318 // merges the new constant pool into the old, this is essentially the |
|
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2319 // same constant pool as the original. If constant pool merging is |
|
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2320 // no longer done in the future, this will have to change to save |
|
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|
2321 // the original. |
|
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|
2322 return InstanceKlass::cast(k)->constants(); |
| 0 | 2323 } |
| 2324 | |
| 2325 void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() { | |
|
6725
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2326 Klass* k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(); |
| 0 | 2327 // This null test can be removed post beta |
| 2328 if (k != NULL) { | |
|
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|
2329 compute_offset(_base_offset, k, |
| 0 | 2330 vmSymbols::base_name(), vmSymbols::object_signature()); |
| 2331 } | |
| 2332 } | |
| 2333 | |
|
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2334 oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) { |
|
6725
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2335 Klass* k = SystemDictionary::box_klass(type); |
|
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2336 if (k == NULL) return NULL; |
|
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|
2337 instanceKlassHandle h (THREAD, k); |
|
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|
2338 if (!h->is_initialized()) h->initialize(CHECK_0); |
|
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|
2339 return h->allocate_instance(THREAD); |
| 0 | 2340 } |
| 2341 | |
| 2342 | |
| 2343 oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) { | |
|
132
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2344 oop box = initialize_and_allocate(type, CHECK_0); |
|
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|
2345 if (box == NULL) return NULL; |
| 0 | 2346 switch (type) { |
| 2347 case T_BOOLEAN: | |
| 2348 box->bool_field_put(value_offset, value->z); | |
| 2349 break; | |
| 2350 case T_CHAR: | |
| 2351 box->char_field_put(value_offset, value->c); | |
| 2352 break; | |
| 2353 case T_FLOAT: | |
| 2354 box->float_field_put(value_offset, value->f); | |
| 2355 break; | |
| 2356 case T_DOUBLE: | |
|
165
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|
2357 box->double_field_put(long_value_offset, value->d); |
| 0 | 2358 break; |
| 2359 case T_BYTE: | |
| 2360 box->byte_field_put(value_offset, value->b); | |
| 2361 break; | |
| 2362 case T_SHORT: | |
| 2363 box->short_field_put(value_offset, value->s); | |
| 2364 break; | |
| 2365 case T_INT: | |
| 2366 box->int_field_put(value_offset, value->i); | |
| 2367 break; | |
| 2368 case T_LONG: | |
|
165
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|
2369 box->long_field_put(long_value_offset, value->j); |
| 0 | 2370 break; |
| 2371 default: | |
| 2372 return NULL; | |
| 2373 } | |
| 2374 return box; | |
| 2375 } | |
| 2376 | |
| 2377 | |
|
132
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|
2378 BasicType java_lang_boxing_object::basic_type(oop box) { |
|
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|
2379 if (box == NULL) return T_ILLEGAL; |
|
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|
2380 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
|
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|
2381 if (type == T_OBJECT) // 'unknown' value returned by SD::bkt |
|
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|
2382 return T_ILLEGAL; |
|
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|
2383 return type; |
|
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|
2384 } |
|
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|
2385 |
|
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2386 |
| 0 | 2387 BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) { |
|
132
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|
2388 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
|
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|
2389 switch (type) { |
|
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|
2390 case T_BOOLEAN: |
| 0 | 2391 value->z = box->bool_field(value_offset); |
|
132
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|
2392 break; |
|
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|
2393 case T_CHAR: |
| 0 | 2394 value->c = box->char_field(value_offset); |
|
132
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|
2395 break; |
|
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|
2396 case T_FLOAT: |
| 0 | 2397 value->f = box->float_field(value_offset); |
|
132
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|
2398 break; |
|
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|
2399 case T_DOUBLE: |
|
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|
2400 value->d = box->double_field(long_value_offset); |
|
132
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|
2401 break; |
|
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|
2402 case T_BYTE: |
| 0 | 2403 value->b = box->byte_field(value_offset); |
|
132
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|
2404 break; |
|
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|
2405 case T_SHORT: |
| 0 | 2406 value->s = box->short_field(value_offset); |
|
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|
2407 break; |
|
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|
2408 case T_INT: |
| 0 | 2409 value->i = box->int_field(value_offset); |
|
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|
2410 break; |
|
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|
2411 case T_LONG: |
|
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|
2412 value->j = box->long_field(long_value_offset); |
|
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|
2413 break; |
|
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|
2414 default: |
|
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|
2415 return T_ILLEGAL; |
|
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|
2416 } // end switch |
|
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|
2417 return type; |
| 0 | 2418 } |
| 2419 | |
| 2420 | |
| 2421 BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) { | |
|
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|
2422 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
|
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|
2423 switch (type) { |
|
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|
2424 case T_BOOLEAN: |
| 0 | 2425 box->bool_field_put(value_offset, value->z); |
|
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113
diff
changeset
|
2426 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2427 case T_CHAR: |
| 0 | 2428 box->char_field_put(value_offset, value->c); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2429 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2430 case T_FLOAT: |
| 0 | 2431 box->float_field_put(value_offset, value->f); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2432 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2433 case T_DOUBLE: |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2434 box->double_field_put(long_value_offset, value->d); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2435 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2436 case T_BYTE: |
| 0 | 2437 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
|
2438 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2439 case T_SHORT: |
| 0 | 2440 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
|
2441 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2442 case T_INT: |
| 0 | 2443 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
|
2444 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2445 case T_LONG: |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2446 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
|
2447 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2448 default: |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2449 return T_ILLEGAL; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2450 } // end switch |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2451 return type; |
| 0 | 2452 } |
| 2453 | |
| 2454 | |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2455 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
|
2456 switch (type) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2457 case T_BOOLEAN: st->print("%s", value->z ? "true" : "false"); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2458 case T_CHAR: st->print("%d", value->c); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2459 case T_BYTE: st->print("%d", value->b); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2460 case T_SHORT: st->print("%d", value->s); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2461 case T_INT: st->print("%d", value->i); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2462 case T_LONG: st->print(INT64_FORMAT, value->j); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2463 case T_FLOAT: st->print("%f", value->f); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2464 case T_DOUBLE: st->print("%lf", value->d); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2465 default: st->print("type %d?", type); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2466 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2467 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2468 |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2469 |
| 0 | 2470 // Support for java_lang_ref_Reference |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2471 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
|
2472 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2473 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
|
2474 return (HeapWord*) addr; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2475 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2476 |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2477 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
|
2478 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
|
2479 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
|
2480 if (UseCompressedOops) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2481 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
|
2482 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2483 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
|
2484 } |
| 0 | 2485 } |
| 2486 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2487 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
|
2488 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
|
2489 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
|
2490 // 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
|
2491 return (HeapWord*)addr; |
| 0 | 2492 } |
| 2493 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2494 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
|
2495 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
|
2496 if (UseCompressedOops) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2497 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
|
2498 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2499 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
|
2500 } |
| 0 | 2501 } |
| 2502 | |
| 2503 | |
| 2504 // Support for java_lang_ref_SoftReference | |
| 2505 | |
| 2506 jlong java_lang_ref_SoftReference::timestamp(oop ref) { | |
| 2507 return ref->long_field(timestamp_offset); | |
| 2508 } | |
| 2509 | |
| 2510 jlong java_lang_ref_SoftReference::clock() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2511 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
|
2512 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
|
2513 return *offset; |
| 0 | 2514 } |
| 2515 | |
| 2516 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
|
2517 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
|
2518 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
|
2519 *offset = value; |
| 0 | 2520 } |
| 2521 | |
| 2522 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2523 // Support for java_lang_invoke_MethodHandle |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2524 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2525 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
|
2526 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
|
2527 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2528 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
|
2529 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
|
2530 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
|
2531 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
|
2532 int java_lang_invoke_MemberName::_vmtarget_offset; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2533 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
|
2534 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
|
2535 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2536 int java_lang_invoke_LambdaForm::_vmentry_offset; |
|
3905
c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
3900
diff
changeset
|
2537 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2538 void java_lang_invoke_MethodHandle::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2539 Klass* klass_oop = SystemDictionary::MethodHandle_klass(); |
| 3938 | 2540 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
|
2541 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
|
2542 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
|
2543 if (_form_offset == 0) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2544 EnableInvokeDynamic = false; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2545 } |
| 710 | 2546 } |
| 2547 } | |
| 2548 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2549 void java_lang_invoke_MemberName::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2550 Klass* klass_oop = SystemDictionary::MemberName_klass(); |
| 3938 | 2551 if (klass_oop != NULL && EnableInvokeDynamic) { |
| 2552 compute_offset(_clazz_offset, klass_oop, vmSymbols::clazz_name(), vmSymbols::class_signature()); | |
| 2553 compute_offset(_name_offset, klass_oop, vmSymbols::name_name(), vmSymbols::string_signature()); | |
| 2554 compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::object_signature()); | |
| 2555 compute_offset(_flags_offset, klass_oop, vmSymbols::flags_name(), vmSymbols::int_signature()); | |
| 2556 MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
| 710 | 2557 } |
| 2558 } | |
| 2559 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2560 void java_lang_invoke_LambdaForm::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2561 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
|
2562 if (klass_oop != NULL && EnableInvokeDynamic) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2563 compute_offset(_vmentry_offset, klass_oop, vmSymbols::vmentry_name(), vmSymbols::java_lang_invoke_MemberName_signature()); |
| 710 | 2564 } |
| 2565 } | |
| 2566 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2567 oop java_lang_invoke_MethodHandle::type(oop mh) { |
| 710 | 2568 return mh->obj_field(_type_offset); |
| 2569 } | |
| 2570 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2571 void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) { |
| 710 | 2572 mh->obj_field_put(_type_offset, mtype); |
| 2573 } | |
| 2574 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2575 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
|
2576 assert(_form_offset != 0, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2577 return mh->obj_field(_form_offset); |
| 710 | 2578 } |
| 2579 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2580 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
|
2581 assert(_form_offset != 0, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2582 mh->obj_field_put(_form_offset, lform); |
| 710 | 2583 } |
| 2584 | |
| 2585 /// MemberName accessors | |
| 2586 | |
|
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2587 oop java_lang_invoke_MemberName::clazz(oop mname) { |
| 710 | 2588 assert(is_instance(mname), "wrong type"); |
| 2589 return mname->obj_field(_clazz_offset); | |
| 2590 } | |
| 2591 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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parents:
2356
diff
changeset
|
2592 void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) { |
| 710 | 2593 assert(is_instance(mname), "wrong type"); |
| 2594 mname->obj_field_put(_clazz_offset, clazz); | |
| 2595 } | |
| 2596 | |
|
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2597 oop java_lang_invoke_MemberName::name(oop mname) { |
| 710 | 2598 assert(is_instance(mname), "wrong type"); |
| 2599 return mname->obj_field(_name_offset); | |
| 2600 } | |
| 2601 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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parents:
2356
diff
changeset
|
2602 void java_lang_invoke_MemberName::set_name(oop mname, oop name) { |
| 710 | 2603 assert(is_instance(mname), "wrong type"); |
| 2604 mname->obj_field_put(_name_offset, name); | |
| 2605 } | |
| 2606 | |
|
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2607 oop java_lang_invoke_MemberName::type(oop mname) { |
| 710 | 2608 assert(is_instance(mname), "wrong type"); |
| 2609 return mname->obj_field(_type_offset); | |
| 2610 } | |
| 2611 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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parents:
2356
diff
changeset
|
2612 void java_lang_invoke_MemberName::set_type(oop mname, oop type) { |
| 710 | 2613 assert(is_instance(mname), "wrong type"); |
| 2614 mname->obj_field_put(_type_offset, type); | |
| 2615 } | |
| 2616 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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parents:
2356
diff
changeset
|
2617 int java_lang_invoke_MemberName::flags(oop mname) { |
| 710 | 2618 assert(is_instance(mname), "wrong type"); |
| 2619 return mname->int_field(_flags_offset); | |
| 2620 } | |
| 2621 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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parents:
2356
diff
changeset
|
2622 void java_lang_invoke_MemberName::set_flags(oop mname, int flags) { |
| 710 | 2623 assert(is_instance(mname), "wrong type"); |
| 2624 mname->int_field_put(_flags_offset, flags); | |
| 2625 } | |
| 2626 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2627 Metadata* java_lang_invoke_MemberName::vmtarget(oop mname) { |
| 710 | 2628 assert(is_instance(mname), "wrong type"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2629 return (Metadata*)mname->address_field(_vmtarget_offset); |
| 710 | 2630 } |
| 2631 | |
|
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2632 #if INCLUDE_JVMTI |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2633 // 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
|
2634 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
|
2635 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
|
2636 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
|
2637 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
|
2638 } |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2639 #endif // INCLUDE_JVMTI |
|
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2640 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
changeset
|
2641 void java_lang_invoke_MemberName::set_vmtarget(oop mname, Metadata* ref) { |
| 710 | 2642 assert(is_instance(mname), "wrong type"); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
6224
diff
changeset
|
2643 // 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
|
2644 oop dependency = NULL; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2645 if (ref != NULL) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2646 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
|
2647 MN_IS_CONSTRUCTOR | |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2648 MN_IS_FIELD)) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2649 case MN_IS_METHOD: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2650 case MN_IS_CONSTRUCTOR: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2651 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
|
2652 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
|
2653 break; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2654 case MN_IS_FIELD: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2655 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
|
2656 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
|
2657 break; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2658 default: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2659 ShouldNotReachHere(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2660 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2661 } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2662 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
|
2663 // 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
|
2664 // 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
|
2665 // 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
|
2666 mname->obj_field_put(_vmloader_offset, dependency); |
| 710 | 2667 } |
| 2668 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2669 intptr_t java_lang_invoke_MemberName::vmindex(oop mname) { |
| 710 | 2670 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
|
2671 return (intptr_t) mname->address_field(_vmindex_offset); |
| 710 | 2672 } |
| 2673 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2674 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
|
2675 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
|
2676 mname->address_field_put(_vmindex_offset, (address) index); |
| 710 | 2677 } |
| 2678 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2679 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
|
2680 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
|
2681 return lform->obj_field(_vmentry_offset); |
| 710 | 2682 } |
| 2683 | |
| 2684 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2685 // Support for java_lang_invoke_MethodType |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2686 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2687 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
|
2688 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
|
2689 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2690 void java_lang_invoke_MethodType::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2691 Klass* k = SystemDictionary::MethodType_klass(); |
| 710 | 2692 if (k != NULL) { |
| 2693 compute_offset(_rtype_offset, k, vmSymbols::rtype_name(), vmSymbols::class_signature()); | |
| 2694 compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature()); | |
| 2695 } | |
| 2696 } | |
| 2697 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2698 void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) { |
| 710 | 2699 st->print("("); |
| 2700 objArrayOop pts = ptypes(mt); | |
| 2701 for (int i = 0, limit = pts->length(); i < limit; i++) { | |
| 2702 java_lang_Class::print_signature(pts->obj_at(i), st); | |
| 2703 } | |
| 2704 st->print(")"); | |
| 2705 java_lang_Class::print_signature(rtype(mt), st); | |
| 2706 } | |
| 2707 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2708 Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) { |
| 710 | 2709 ResourceMark rm; |
| 2710 stringStream buffer(128); | |
| 2711 print_signature(mt, &buffer); | |
| 2712 const char* sigstr = buffer.base(); | |
| 2713 int siglen = (int) buffer.size(); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2714 Symbol *name; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2715 if (!intern_if_not_found) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2716 name = SymbolTable::probe(sigstr, siglen); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2717 } else { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2718 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2719 } |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2720 return name; |
| 710 | 2721 } |
| 2722 | |
|
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2723 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
|
2724 if (mt1 == mt2) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2725 return true; |
|
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2726 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
|
2727 return false; |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2728 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
|
2729 return false; |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2730 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
|
2731 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
|
2732 return false; |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2733 } |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2734 return true; |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2735 } |
|
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2736 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2737 oop java_lang_invoke_MethodType::rtype(oop mt) { |
| 710 | 2738 assert(is_instance(mt), "must be a MethodType"); |
| 2739 return mt->obj_field(_rtype_offset); | |
| 2740 } | |
| 2741 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2742 objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) { |
| 710 | 2743 assert(is_instance(mt), "must be a MethodType"); |
| 2744 return (objArrayOop) mt->obj_field(_ptypes_offset); | |
| 2745 } | |
| 2746 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2747 oop java_lang_invoke_MethodType::ptype(oop mt, int idx) { |
| 710 | 2748 return ptypes(mt)->obj_at(idx); |
| 2749 } | |
| 2750 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2751 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
|
2752 return ptypes(mt)->length(); |
|
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2753 } |
|
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2754 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2755 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
|
2756 objArrayOop pts = ptypes(mt); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2757 int count = pts->length(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2758 int slots = 0; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2759 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
|
2760 BasicType bt = java_lang_Class::as_BasicType(pts->obj_at(i)); |
|
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2761 slots += type2size[bt]; |
| 710 | 2762 } |
|
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|
2763 return slots; |
| 710 | 2764 } |
| 2765 | |
|
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|
2766 int java_lang_invoke_MethodType::rtype_slot_count(oop mt) { |
|
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|
2767 BasicType bt = java_lang_Class::as_BasicType(rtype(mt)); |
|
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|
2768 return type2size[bt]; |
|
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|
2769 } |
|
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|
2770 |
| 710 | 2771 |
|
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|
2772 // Support for java_lang_invoke_CallSite |
|
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|
2773 |
|
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|
2774 int java_lang_invoke_CallSite::_target_offset; |
|
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|
2775 |
|
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|
2776 void java_lang_invoke_CallSite::compute_offsets() { |
|
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|
2777 if (!EnableInvokeDynamic) return; |
|
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|
2778 Klass* k = SystemDictionary::CallSite_klass(); |
|
726
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|
2779 if (k != NULL) { |
|
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|
2780 compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature()); |
|
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be93aad57795
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|
2781 } |
|
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|
2782 } |
|
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|
2783 |
| 710 | 2784 |
| 0 | 2785 // Support for java_security_AccessControlContext |
| 2786 | |
| 2787 int java_security_AccessControlContext::_context_offset = 0; | |
| 2788 int java_security_AccessControlContext::_privilegedContext_offset = 0; | |
| 2789 int java_security_AccessControlContext::_isPrivileged_offset = 0; | |
| 11010 | 2790 int java_security_AccessControlContext::_isAuthorized_offset = -1; |
| 0 | 2791 |
| 2792 void java_security_AccessControlContext::compute_offsets() { | |
| 2793 assert(_isPrivileged_offset == 0, "offsets should be initialized only once"); | |
| 2794 fieldDescriptor fd; | |
|
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|
2795 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass()); |
| 0 | 2796 |
| 2797 if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) { | |
| 2798 fatal("Invalid layout of java.security.AccessControlContext"); | |
| 2799 } | |
| 2800 _context_offset = fd.offset(); | |
| 2801 | |
| 2802 if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) { | |
| 2803 fatal("Invalid layout of java.security.AccessControlContext"); | |
| 2804 } | |
| 2805 _privilegedContext_offset = fd.offset(); | |
| 2806 | |
| 2807 if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) { | |
| 2808 fatal("Invalid layout of java.security.AccessControlContext"); | |
| 2809 } | |
| 2810 _isPrivileged_offset = fd.offset(); | |
| 11010 | 2811 |
| 2812 // The offset may not be present for bootstrapping with older JDK. | |
| 2813 if (ik->find_local_field(vmSymbols::isAuthorized_name(), vmSymbols::bool_signature(), &fd)) { | |
| 2814 _isAuthorized_offset = fd.offset(); | |
| 2815 } | |
| 0 | 2816 } |
| 2817 | |
| 2818 | |
| 11010 | 2819 bool java_security_AccessControlContext::is_authorized(Handle context) { |
| 2820 assert(context.not_null() && context->klass() == SystemDictionary::AccessControlContext_klass(), "Invalid type"); | |
| 2821 assert(_isAuthorized_offset != -1, "should be set"); | |
| 2822 return context->bool_field(_isAuthorized_offset) != 0; | |
| 2823 } | |
| 2824 | |
| 0 | 2825 oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) { |
| 2826 assert(_isPrivileged_offset != 0, "offsets should have been initialized"); | |
| 2827 // Ensure klass is initialized | |
|
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|
2828 InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0); |
| 0 | 2829 // Allocate result |
|
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|
2830 oop result = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0); |
| 0 | 2831 // Fill in values |
| 2832 result->obj_field_put(_context_offset, context()); | |
| 2833 result->obj_field_put(_privilegedContext_offset, privileged_context()); | |
| 2834 result->bool_field_put(_isPrivileged_offset, isPrivileged); | |
|
11011
be131aa5a529
8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
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11010
diff
changeset
|
2835 // whitelist AccessControlContexts created by the JVM if present |
|
be131aa5a529
8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
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11010
diff
changeset
|
2836 if (_isAuthorized_offset != -1) { |
|
be131aa5a529
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mullan
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11010
diff
changeset
|
2837 result->bool_field_put(_isAuthorized_offset, true); |
|
be131aa5a529
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mullan
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11010
diff
changeset
|
2838 } |
| 0 | 2839 return result; |
| 2840 } | |
| 2841 | |
| 2842 | |
| 2843 // Support for java_lang_ClassLoader | |
|
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|
2844 |
| 3938 | 2845 bool java_lang_ClassLoader::offsets_computed = false; |
|
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|
2846 int java_lang_ClassLoader::_loader_data_offset = -1; |
| 3938 | 2847 int java_lang_ClassLoader::parallelCapable_offset = -1; |
| 2848 | |
|
6725
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|
2849 ClassLoaderData** java_lang_ClassLoader::loader_data_addr(oop loader) { |
|
da91efe96a93
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changeset
|
2850 assert(loader != NULL && loader->is_oop(), "loader must be oop"); |
|
da91efe96a93
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|
2851 return (ClassLoaderData**) loader->address_field_addr(_loader_data_offset); |
|
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|
2852 } |
|
da91efe96a93
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|
2853 |
|
da91efe96a93
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|
2854 ClassLoaderData* java_lang_ClassLoader::loader_data(oop loader) { |
|
da91efe96a93
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|
2855 return *java_lang_ClassLoader::loader_data_addr(loader); |
|
da91efe96a93
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|
2856 } |
|
da91efe96a93
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|
2857 |
| 3938 | 2858 void java_lang_ClassLoader::compute_offsets() { |
| 2859 assert(!offsets_computed, "offsets should be initialized only once"); | |
| 2860 offsets_computed = true; | |
| 2861 | |
| 2862 // The field indicating parallelCapable (parallelLockMap) is only present starting in 7, | |
|
6725
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diff
changeset
|
2863 Klass* k1 = SystemDictionary::ClassLoader_klass(); |
| 3938 | 2864 compute_optional_offset(parallelCapable_offset, |
| 2865 k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature()); | |
|
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|
2866 |
|
da91efe96a93
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changeset
|
2867 CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
| 3938 | 2868 } |
| 0 | 2869 |
| 2870 oop java_lang_ClassLoader::parent(oop loader) { | |
|
6266
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7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
changeset
|
2871 assert(is_instance(loader), "loader must be oop"); |
| 0 | 2872 return loader->obj_field(parent_offset); |
| 2873 } | |
| 2874 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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changeset
|
2875 bool java_lang_ClassLoader::isAncestor(oop loader, oop cl) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff
changeset
|
2876 assert(is_instance(loader), "loader must be oop"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff
changeset
|
2877 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
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diff
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|
2878 oop acl = loader; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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changeset
|
2879 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
|
2880 // This loop taken verbatim from ClassLoader.java: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2881 do { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
changeset
|
2882 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
|
2883 if (cl == acl) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2884 return true; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2885 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
changeset
|
2886 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
|
2887 } while (acl != NULL); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2888 return false; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2889 } |
|
1d7922586cf6
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6224
diff
changeset
|
2890 |
| 0 | 2891 |
| 3938 | 2892 // For class loader classes, parallelCapable defined |
| 2893 // based on non-null field | |
| 2894 // Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it | |
| 2895 bool java_lang_ClassLoader::parallelCapable(oop class_loader) { | |
| 2896 if (!JDK_Version::is_gte_jdk17x_version() | |
| 2897 || parallelCapable_offset == -1) { | |
| 2898 // Default for backward compatibility is false | |
| 2899 return false; | |
| 2900 } | |
| 2901 return (class_loader->obj_field(parallelCapable_offset) != NULL); | |
| 2902 } | |
| 2903 | |
| 0 | 2904 bool java_lang_ClassLoader::is_trusted_loader(oop loader) { |
| 2905 // Fix for 4474172; see evaluation for more details | |
| 2906 loader = non_reflection_class_loader(loader); | |
| 2907 | |
| 2908 oop cl = SystemDictionary::java_system_loader(); | |
| 2909 while(cl != NULL) { | |
| 2910 if (cl == loader) return true; | |
| 2911 cl = parent(cl); | |
| 2912 } | |
| 2913 return false; | |
| 2914 } | |
| 2915 | |
| 2916 oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) { | |
| 2917 if (loader != NULL) { | |
| 2918 // See whether this is one of the class loaders associated with | |
| 2919 // the generated bytecodes for reflection, and if so, "magically" | |
| 2920 // delegate to its parent to prevent class loading from occurring | |
| 2921 // in places where applications using reflection didn't expect it. | |
|
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|
2922 Klass* delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass(); |
| 0 | 2923 // This might be null in non-1.4 JDKs |
| 2924 if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) { | |
| 2925 return parent(loader); | |
| 2926 } | |
| 2927 } | |
| 2928 return loader; | |
| 2929 } | |
| 2930 | |
| 2931 | |
| 2932 // Support for java_lang_System | |
| 2933 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
|
2934 return (InstanceMirrorKlass::offset_of_static_fields() + static_in_offset); |
| 0 | 2935 } |
| 2936 | |
| 2937 | |
| 2938 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
|
2939 return (InstanceMirrorKlass::offset_of_static_fields() + static_out_offset); |
| 0 | 2940 } |
| 2941 | |
| 2942 | |
| 2943 int java_lang_System::err_offset_in_bytes() { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
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6725
diff
changeset
|
2944 return (InstanceMirrorKlass::offset_of_static_fields() + static_err_offset); |
| 0 | 2945 } |
| 2946 | |
| 2947 | |
| 11010 | 2948 bool java_lang_System::has_security_manager() { |
| 2949 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::System_klass()); | |
| 2950 address addr = ik->static_field_addr(static_security_offset); | |
| 2951 if (UseCompressedOops) { | |
| 2952 return oopDesc::load_decode_heap_oop((narrowOop *)addr) != NULL; | |
| 2953 } else { | |
| 2954 return oopDesc::load_decode_heap_oop((oop*)addr) != NULL; | |
| 2955 } | |
| 2956 } | |
| 0 | 2957 |
| 3938 | 2958 int java_lang_Class::_klass_offset; |
| 2959 int java_lang_Class::_array_klass_offset; | |
| 2960 int java_lang_Class::_oop_size_offset; | |
| 2961 int java_lang_Class::_static_oop_field_count_offset; | |
|
6725
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|
2962 GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL; |
| 0 | 2963 int java_lang_Throwable::backtrace_offset; |
| 2964 int java_lang_Throwable::detailMessage_offset; | |
| 2965 int java_lang_Throwable::cause_offset; | |
| 2966 int java_lang_Throwable::stackTrace_offset; | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
2967 int java_lang_Throwable::static_unassigned_stacktrace_offset; |
| 0 | 2968 int java_lang_reflect_AccessibleObject::override_offset; |
| 2969 int java_lang_reflect_Method::clazz_offset; | |
| 2970 int java_lang_reflect_Method::name_offset; | |
| 2971 int java_lang_reflect_Method::returnType_offset; | |
| 2972 int java_lang_reflect_Method::parameterTypes_offset; | |
| 2973 int java_lang_reflect_Method::exceptionTypes_offset; | |
| 2974 int java_lang_reflect_Method::slot_offset; | |
| 2975 int java_lang_reflect_Method::modifiers_offset; | |
| 2976 int java_lang_reflect_Method::signature_offset; | |
| 2977 int java_lang_reflect_Method::annotations_offset; | |
| 2978 int java_lang_reflect_Method::parameter_annotations_offset; | |
| 2979 int java_lang_reflect_Method::annotation_default_offset; | |
|
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35431a769282
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7185
diff
changeset
|
2980 int java_lang_reflect_Method::type_annotations_offset; |
| 0 | 2981 int java_lang_reflect_Constructor::clazz_offset; |
| 2982 int java_lang_reflect_Constructor::parameterTypes_offset; | |
| 2983 int java_lang_reflect_Constructor::exceptionTypes_offset; | |
| 2984 int java_lang_reflect_Constructor::slot_offset; | |
| 2985 int java_lang_reflect_Constructor::modifiers_offset; | |
| 2986 int java_lang_reflect_Constructor::signature_offset; | |
| 2987 int java_lang_reflect_Constructor::annotations_offset; | |
| 2988 int java_lang_reflect_Constructor::parameter_annotations_offset; | |
|
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diff
changeset
|
2989 int java_lang_reflect_Constructor::type_annotations_offset; |
| 0 | 2990 int java_lang_reflect_Field::clazz_offset; |
| 2991 int java_lang_reflect_Field::name_offset; | |
| 2992 int java_lang_reflect_Field::type_offset; | |
| 2993 int java_lang_reflect_Field::slot_offset; | |
| 2994 int java_lang_reflect_Field::modifiers_offset; | |
| 2995 int java_lang_reflect_Field::signature_offset; | |
| 2996 int java_lang_reflect_Field::annotations_offset; | |
|
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|
2997 int java_lang_reflect_Field::type_annotations_offset; |
|
7462
ade95d680b42
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7458
diff
changeset
|
2998 int java_lang_reflect_Parameter::name_offset; |
|
ade95d680b42
8004728: Add hotspot support for parameter reflection
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7458
diff
changeset
|
2999 int java_lang_reflect_Parameter::modifiers_offset; |
|
ade95d680b42
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diff
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|
3000 int java_lang_reflect_Parameter::index_offset; |
|
ade95d680b42
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7458
diff
changeset
|
3001 int java_lang_reflect_Parameter::executable_offset; |
| 0 | 3002 int java_lang_boxing_object::value_offset; |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3003 int java_lang_boxing_object::long_value_offset; |
| 0 | 3004 int java_lang_ref_Reference::referent_offset; |
| 3005 int java_lang_ref_Reference::queue_offset; | |
| 3006 int java_lang_ref_Reference::next_offset; | |
| 3007 int java_lang_ref_Reference::discovered_offset; | |
| 3008 int java_lang_ref_Reference::static_lock_offset; | |
| 3009 int java_lang_ref_Reference::static_pending_offset; | |
| 3010 int java_lang_ref_Reference::number_of_fake_oop_fields; | |
| 3011 int java_lang_ref_SoftReference::timestamp_offset; | |
| 3012 int java_lang_ref_SoftReference::static_clock_offset; | |
| 3013 int java_lang_ClassLoader::parent_offset; | |
| 3014 int java_lang_System::static_in_offset; | |
| 3015 int java_lang_System::static_out_offset; | |
| 3016 int java_lang_System::static_err_offset; | |
| 11010 | 3017 int java_lang_System::static_security_offset; |
| 0 | 3018 int java_lang_StackTraceElement::declaringClass_offset; |
| 3019 int java_lang_StackTraceElement::methodName_offset; | |
| 3020 int java_lang_StackTraceElement::fileName_offset; | |
| 3021 int java_lang_StackTraceElement::lineNumber_offset; | |
| 3022 int java_lang_AssertionStatusDirectives::classes_offset; | |
| 3023 int java_lang_AssertionStatusDirectives::classEnabled_offset; | |
| 3024 int java_lang_AssertionStatusDirectives::packages_offset; | |
| 3025 int java_lang_AssertionStatusDirectives::packageEnabled_offset; | |
| 3026 int java_lang_AssertionStatusDirectives::deflt_offset; | |
| 3027 int java_nio_Buffer::_limit_offset; | |
| 3028 int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; | |
|
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changeset
|
3029 int sun_reflect_ConstantPool::_oop_offset; |
| 0 | 3030 int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; |
| 3031 | |
| 3032 | |
| 3033 // Support for java_lang_StackTraceElement | |
| 3034 | |
| 3035 void java_lang_StackTraceElement::set_fileName(oop element, oop value) { | |
| 3036 element->obj_field_put(fileName_offset, value); | |
| 3037 } | |
| 3038 | |
| 3039 void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) { | |
| 3040 element->obj_field_put(declaringClass_offset, value); | |
| 3041 } | |
| 3042 | |
| 3043 void java_lang_StackTraceElement::set_methodName(oop element, oop value) { | |
| 3044 element->obj_field_put(methodName_offset, value); | |
| 3045 } | |
| 3046 | |
| 3047 void java_lang_StackTraceElement::set_lineNumber(oop element, int value) { | |
| 3048 element->int_field_put(lineNumber_offset, value); | |
| 3049 } | |
| 3050 | |
| 3051 | |
| 3052 // Support for java Assertions - java_lang_AssertionStatusDirectives. | |
| 3053 | |
| 3054 void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) { | |
| 3055 o->obj_field_put(classes_offset, val); | |
| 3056 } | |
| 3057 | |
| 3058 void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) { | |
| 3059 o->obj_field_put(classEnabled_offset, val); | |
| 3060 } | |
| 3061 | |
| 3062 void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) { | |
| 3063 o->obj_field_put(packages_offset, val); | |
| 3064 } | |
| 3065 | |
| 3066 void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) { | |
| 3067 o->obj_field_put(packageEnabled_offset, val); | |
| 3068 } | |
| 3069 | |
| 3070 void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) { | |
| 3071 o->bool_field_put(deflt_offset, val); | |
| 3072 } | |
| 3073 | |
| 3074 | |
| 3075 // Support for intrinsification of java.nio.Buffer.checkIndex | |
| 3076 int java_nio_Buffer::limit_offset() { | |
| 3077 return _limit_offset; | |
| 3078 } | |
| 3079 | |
| 3080 | |
| 3081 void java_nio_Buffer::compute_offsets() { | |
|
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|
3082 Klass* k = SystemDictionary::nio_Buffer_klass(); |
|
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|
3083 assert(k != NULL, "must be loaded in 1.4+"); |
|
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|
3084 compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); |
| 0 | 3085 } |
| 3086 | |
| 3087 void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { | |
| 3088 if (_owner_offset != 0) return; | |
| 3089 | |
| 3090 assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later"); | |
| 3091 SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK); | |
|
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|
3092 Klass* k = SystemDictionary::abstract_ownable_synchronizer_klass(); |
|
132
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|
3093 compute_offset(_owner_offset, k, |
| 0 | 3094 vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature()); |
| 3095 } | |
| 3096 | |
| 3097 oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) { | |
| 3098 assert(_owner_offset != 0, "Must be initialized"); | |
| 3099 return obj->obj_field(_owner_offset); | |
| 3100 } | |
| 3101 | |
| 3102 // Compute hard-coded offsets | |
| 3103 // Invoked before SystemDictionary::initialize, so pre-loaded classes | |
| 3104 // are not available to determine the offset_of_static_fields. | |
| 3105 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
|
3106 const int x = heapOopSize; |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3107 const int header = instanceOopDesc::base_offset_in_bytes(); |
| 0 | 3108 |
| 3109 // Throwable Class | |
| 3110 java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header; | |
| 3111 java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header; | |
| 3112 java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header; | |
| 3113 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
|
3114 java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset * x; |
| 0 | 3115 |
| 3116 // java_lang_boxing_object | |
|
165
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132
diff
changeset
|
3117 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
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132
diff
changeset
|
3118 java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong); |
| 0 | 3119 |
| 3120 // java_lang_ref_Reference: | |
| 3121 java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header; | |
| 3122 java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header; | |
| 3123 java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header; | |
| 3124 java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header; | |
| 3125 java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x; | |
| 3126 java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x; | |
| 3127 // Artificial fields for java_lang_ref_Reference | |
| 3128 // The first field is for the discovered field added in 1.4 | |
| 3129 java_lang_ref_Reference::number_of_fake_oop_fields = 1; | |
| 3130 | |
| 3131 // java_lang_ref_SoftReference Class | |
|
165
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|
3132 java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong); |
| 0 | 3133 // Don't multiply static fields because they are always in wordSize units |
| 3134 java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x; | |
| 3135 | |
| 3136 // java_lang_ClassLoader | |
| 3137 java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header; | |
| 3138 | |
| 3139 // java_lang_System | |
| 3140 java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x; | |
| 3141 java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x; | |
| 3142 java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x; | |
| 11010 | 3143 java_lang_System::static_security_offset = java_lang_System::hc_static_security_offset * x; |
| 0 | 3144 |
| 3145 // java_lang_StackTraceElement | |
| 3146 java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header; | |
| 3147 java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header; | |
| 3148 java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header; | |
| 3149 java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header; | |
| 3150 java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header; | |
| 3151 java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header; | |
| 3152 java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header; | |
| 3153 java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header; | |
| 3154 java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header; | |
| 3155 | |
| 3156 } | |
| 3157 | |
| 3158 | |
| 3159 // Compute non-hard-coded field offsets of all the classes in this file | |
| 3160 void JavaClasses::compute_offsets() { | |
| 3938 | 3161 // java_lang_Class::compute_offsets was called earlier in bootstrap |
| 3162 java_lang_ClassLoader::compute_offsets(); | |
| 0 | 3163 java_lang_Thread::compute_offsets(); |
| 3164 java_lang_ThreadGroup::compute_offsets(); | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2379
diff
changeset
|
3165 if (EnableInvokeDynamic) { |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3166 java_lang_invoke_MethodHandle::compute_offsets(); |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3167 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
|
3168 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
|
3169 java_lang_invoke_MethodType::compute_offsets(); |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3170 java_lang_invoke_CallSite::compute_offsets(); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
3171 } |
| 0 | 3172 java_security_AccessControlContext::compute_offsets(); |
| 3173 // Initialize reflection classes. The layouts of these classes | |
| 3174 // changed with the new reflection implementation in JDK 1.4, and | |
| 3175 // since the Universe doesn't know what JDK version it is until this | |
| 3176 // point we defer computation of these offsets until now. | |
| 3177 java_lang_reflect_AccessibleObject::compute_offsets(); | |
| 3178 java_lang_reflect_Method::compute_offsets(); | |
| 3179 java_lang_reflect_Constructor::compute_offsets(); | |
| 3180 java_lang_reflect_Field::compute_offsets(); | |
| 3181 if (JDK_Version::is_gte_jdk14x_version()) { | |
| 3182 java_nio_Buffer::compute_offsets(); | |
| 3183 } | |
| 3184 if (JDK_Version::is_gte_jdk15x_version()) { | |
| 3185 sun_reflect_ConstantPool::compute_offsets(); | |
| 3186 sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); | |
| 3187 } | |
|
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
3188 if (JDK_Version::is_jdk18x_version()) |
|
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
3189 java_lang_reflect_Parameter::compute_offsets(); |
| 710 | 3190 |
| 3191 // generated interpreter code wants to know about the offsets we just computed: | |
| 3192 AbstractAssembler::update_delayed_values(); | |
| 0 | 3193 } |
| 3194 | |
| 3195 #ifndef PRODUCT | |
| 3196 | |
| 3197 // These functions exist to assert the validity of hard-coded field offsets to guard | |
| 3198 // against changes in the class files | |
| 3199 | |
| 3200 bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
| 3201 EXCEPTION_MARK; | |
| 3202 fieldDescriptor fd; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3203 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
|
3204 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
| 0 | 3205 instanceKlassHandle h_klass (THREAD, k); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3206 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
|
3207 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
|
3208 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
| 0 | 3209 tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name); |
| 3210 return false; | |
| 3211 } | |
| 3212 if (fd.is_static()) { | |
| 3213 tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name); | |
| 3214 return false; | |
| 3215 } | |
| 3216 if (fd.offset() == hardcoded_offset ) { | |
| 3217 return true; | |
| 3218 } else { | |
| 3219 tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.", | |
| 3220 klass_name, field_name, hardcoded_offset, fd.offset()); | |
| 3221 return false; | |
| 3222 } | |
| 3223 } | |
| 3224 | |
| 3225 | |
| 3226 bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
| 3227 EXCEPTION_MARK; | |
| 3228 fieldDescriptor fd; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3229 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
changeset
|
3230 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
| 0 | 3231 instanceKlassHandle h_klass (THREAD, k); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3232 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
|
3233 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
|
3234 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
| 0 | 3235 tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
| 3236 return false; | |
| 3237 } | |
| 3238 if (!fd.is_static()) { | |
| 3239 tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name); | |
| 3240 return false; | |
| 3241 } | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
3242 if (fd.offset() == hardcoded_offset + InstanceMirrorKlass::offset_of_static_fields()) { |
| 0 | 3243 return true; |
| 3244 } else { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
3245 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 | 3246 return false; |
| 3247 } | |
| 3248 } | |
| 3249 | |
| 3250 | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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113
diff
changeset
|
3251 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
|
3252 EXCEPTION_MARK; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3253 fieldDescriptor fd; |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3254 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
changeset
|
3255 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
|
3256 instanceKlassHandle h_klass (THREAD, k); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3257 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
|
3258 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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1989
diff
changeset
|
3259 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
|
3260 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
|
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.is_static() || !fd.has_initial_value()) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3264 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
|
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 if (!fd.initial_value_tag().is_int()) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3268 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
|
3269 return false; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3270 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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3271 jint field_value = fd.int_initial_value(); |
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3272 if (field_value == hardcoded_constant) { |
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3273 return true; |
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3274 } else { |
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3275 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); |
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3276 return false; |
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3277 } |
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3278 } |
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3279 |
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3280 |
| 0 | 3281 // Check the hard-coded field offsets of all the classes in this file |
| 3282 | |
| 3283 void JavaClasses::check_offsets() { | |
| 3284 bool valid = true; | |
|
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3285 HandleMark hm; |
| 0 | 3286 |
| 3287 #define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ | |
| 3288 valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig) | |
| 3289 | |
|
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3290 #define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
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3291 valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig) |
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3292 |
| 0 | 3293 #define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
| 3294 valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig) | |
| 3295 | |
|
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3296 #define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \ |
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3297 valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig) |
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3298 |
| 0 | 3299 // java.lang.String |
| 3300 | |
| 3301 CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C"); | |
| 6057 | 3302 if (java_lang_String::has_offset_field()) { |
| 3303 CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I"); | |
| 3304 CHECK_OFFSET("java/lang/String", java_lang_String, count, "I"); | |
| 3305 } | |
| 3306 if (java_lang_String::has_hash_field()) { | |
| 3307 CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I"); | |
| 3308 } | |
| 0 | 3309 |
| 3310 // java.lang.Class | |
| 3311 | |
| 3312 // Fake fields | |
| 3313 // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked | |
| 3314 // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked | |
| 3315 | |
| 3316 // java.lang.Throwable | |
| 3317 | |
| 3318 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;"); | |
| 3319 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;"); | |
| 3320 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;"); | |
| 3321 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;"); | |
| 3322 | |
| 3323 // Boxed primitive objects (java_lang_boxing_object) | |
| 3324 | |
| 3325 CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z"); | |
| 3326 CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C"); | |
| 3327 CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F"); | |
|
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3328 CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D"); |
| 0 | 3329 CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B"); |
| 3330 CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S"); | |
| 3331 CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I"); | |
|
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3332 CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J"); |
| 0 | 3333 |
| 3334 // java.lang.ClassLoader | |
| 3335 | |
| 3336 CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;"); | |
| 3337 | |
| 3338 // java.lang.System | |
| 3339 | |
| 3340 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;"); | |
| 3341 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;"); | |
| 3342 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;"); | |
| 11010 | 3343 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, security, "Ljava/lang/SecurityManager;"); |
| 0 | 3344 |
| 3345 // java.lang.StackTraceElement | |
| 3346 | |
| 3347 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;"); | |
| 3348 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;"); | |
| 3349 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;"); | |
| 3350 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I"); | |
| 3351 | |
| 3352 // java.lang.ref.Reference | |
| 3353 | |
| 3354 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;"); | |
| 3355 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;"); | |
| 3356 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;"); | |
| 3357 // Fake field | |
| 3358 //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;"); | |
| 3359 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;"); | |
| 3360 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;"); | |
| 3361 | |
| 3362 // java.lang.ref.SoftReference | |
| 3363 | |
| 3364 CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J"); | |
| 3365 CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J"); | |
| 3366 | |
| 3367 // java.lang.AssertionStatusDirectives | |
| 3368 // | |
| 3369 // The CheckAssertionStatusDirectives boolean can be removed from here and | |
| 3370 // globals.hpp after the AssertionStatusDirectives class has been integrated | |
| 3371 // into merlin "for some time." Without it, the vm will fail with early | |
| 3372 // merlin builds. | |
| 3373 | |
| 3374 if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) { | |
| 3375 const char* nm = "java/lang/AssertionStatusDirectives"; | |
| 3376 const char* sig = "[Ljava/lang/String;"; | |
| 3377 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig); | |
| 3378 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z"); | |
| 3379 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig); | |
| 3380 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z"); | |
| 3381 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z"); | |
| 3382 } | |
| 3383 | |
| 3384 if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed"); | |
| 3385 } | |
| 3386 | |
| 3387 #endif // PRODUCT | |
| 3388 | |
| 3938 | 3389 int InjectedField::compute_offset() { |
|
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3390 Klass* klass_oop = klass(); |
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3391 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
| 3938 | 3392 if (!may_be_java && !fs.access_flags().is_internal()) { |
| 3393 // Only look at injected fields | |
| 3394 continue; | |
| 3395 } | |
| 3396 if (fs.name() == name() && fs.signature() == signature()) { | |
| 3397 return fs.offset(); | |
| 3398 } | |
| 3399 } | |
| 3400 ResourceMark rm; | |
|
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3401 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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3402 #ifndef PRODUCT |
|
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3403 klass_oop->print(); |
|
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|
3404 tty->print_cr("all fields:"); |
|
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3405 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
|
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3406 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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3407 } |
|
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|
3408 #endif //PRODUCT |
| 3938 | 3409 fatal("Invalid layout of preloaded class"); |
| 3410 return -1; | |
| 3411 } | |
| 3412 | |
| 0 | 3413 void javaClasses_init() { |
| 3414 JavaClasses::compute_offsets(); | |
| 3415 JavaClasses::check_offsets(); | |
| 3416 FilteredFieldsMap::initialize(); // must be done after computing offsets. | |
| 3417 } |