Mercurial > hg > truffle
annotate src/share/vm/classfile/javaClasses.cpp @ 7149:6a8b22829e36
made the Graal implementation of the C++ AbstractCompiler class support native wrapper generation
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Mon, 10 Dec 2012 22:19:07 +0100 |
| parents | 2cb439954abf |
| children | 291ffc492eb6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 6057 | 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #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" | |
|
3900
a32de5085326
7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents:
3820
diff
changeset
|
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" |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
39 #include "oops/instanceMirrorKlass.hpp" |
| 1972 | 40 #include "oops/klass.hpp" |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
41 #include "oops/method.hpp" |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
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" | |
| 50 #include "runtime/vframe.hpp" | |
| 51 #include "utilities/preserveException.hpp" | |
| 52 #ifdef TARGET_OS_FAMILY_linux | |
| 53 # include "thread_linux.inline.hpp" | |
| 54 #endif | |
| 55 #ifdef TARGET_OS_FAMILY_solaris | |
| 56 # include "thread_solaris.inline.hpp" | |
| 57 #endif | |
| 58 #ifdef TARGET_OS_FAMILY_windows | |
| 59 # include "thread_windows.inline.hpp" | |
| 60 #endif | |
| 3960 | 61 #ifdef TARGET_OS_FAMILY_bsd |
| 62 # include "thread_bsd.inline.hpp" | |
| 63 #endif | |
| 0 | 64 |
| 3938 | 65 #define INJECTED_FIELD_COMPUTE_OFFSET(klass, name, signature, may_be_java) \ |
| 66 klass::_##name##_offset = JavaClasses::compute_injected_offset(JavaClasses::klass##_##name##_enum); | |
| 67 | |
| 68 #define DECLARE_INJECTED_FIELD(klass, name, signature, may_be_java) \ | |
| 69 { SystemDictionary::WK_KLASS_ENUM_NAME(klass), vmSymbols::VM_SYMBOL_ENUM_NAME(name##_name), vmSymbols::VM_SYMBOL_ENUM_NAME(signature), may_be_java }, | |
| 70 | |
| 71 InjectedField JavaClasses::_injected_fields[] = { | |
| 72 ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD) | |
| 73 }; | |
| 74 | |
| 75 int JavaClasses::compute_injected_offset(InjectedFieldID id) { | |
| 76 return _injected_fields[id].compute_offset(); | |
| 77 } | |
| 78 | |
| 79 | |
| 80 InjectedField* JavaClasses::get_injected(Symbol* class_name, int* field_count) { | |
| 81 *field_count = 0; | |
| 82 | |
| 83 vmSymbols::SID sid = vmSymbols::find_sid(class_name); | |
| 84 if (sid == vmSymbols::NO_SID) { | |
| 85 // Only well known classes can inject fields | |
| 86 return NULL; | |
| 87 } | |
| 88 | |
| 89 int count = 0; | |
| 90 int start = -1; | |
| 91 | |
| 92 #define LOOKUP_INJECTED_FIELD(klass, name, signature, may_be_java) \ | |
| 93 if (sid == vmSymbols::VM_SYMBOL_ENUM_NAME(klass)) { \ | |
| 94 count++; \ | |
| 95 if (start == -1) start = klass##_##name##_enum; \ | |
| 96 } | |
| 97 ALL_INJECTED_FIELDS(LOOKUP_INJECTED_FIELD); | |
| 98 #undef LOOKUP_INJECTED_FIELD | |
| 99 | |
| 100 if (start != -1) { | |
| 101 *field_count = count; | |
| 102 return _injected_fields + start; | |
| 103 } | |
| 104 return NULL; | |
| 105 } | |
| 106 | |
| 107 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
108 static bool find_field(InstanceKlass* ik, |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
109 Symbol* name_symbol, Symbol* signature_symbol, |
| 710 | 110 fieldDescriptor* fd, |
| 111 bool allow_super = false) { | |
| 112 if (allow_super) | |
| 113 return ik->find_field(name_symbol, signature_symbol, fd) != NULL; | |
| 114 else | |
| 115 return ik->find_local_field(name_symbol, signature_symbol, fd); | |
| 116 } | |
| 117 | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
118 // Helpful routine for computing field offsets at run time rather than hardcoding them |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
119 static void |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
120 compute_offset(int &dest_offset, |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
121 Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
| 710 | 122 bool allow_super = false) { |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
123 fieldDescriptor fd; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
124 InstanceKlass* ik = InstanceKlass::cast(klass_oop); |
| 710 | 125 if (!find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
126 ResourceMark rm; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
127 tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string()); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
128 #ifndef PRODUCT |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
129 klass_oop->print(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
130 tty->print_cr("all fields:"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
131 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
132 tty->print_cr(" name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
133 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
134 #endif //PRODUCT |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
135 fatal("Invalid layout of preloaded class"); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
136 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
137 dest_offset = fd.offset(); |
| 0 | 138 } |
| 139 | |
| 140 // Same as above but for "optional" offsets that might not be present in certain JDK versions | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
141 static void |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
142 compute_optional_offset(int& dest_offset, |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
143 Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
| 710 | 144 bool allow_super = false) { |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
145 fieldDescriptor fd; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
146 InstanceKlass* ik = InstanceKlass::cast(klass_oop); |
| 710 | 147 if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
148 dest_offset = fd.offset(); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
149 } |
| 0 | 150 } |
| 151 | |
| 710 | 152 |
| 6057 | 153 int java_lang_String::value_offset = 0; |
| 154 int java_lang_String::offset_offset = 0; | |
| 155 int java_lang_String::count_offset = 0; | |
| 156 int java_lang_String::hash_offset = 0; | |
| 157 | |
| 158 bool java_lang_String::initialized = false; | |
| 159 | |
| 160 void java_lang_String::compute_offsets() { | |
| 161 assert(!initialized, "offsets should be initialized only once"); | |
| 162 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
163 Klass* k = SystemDictionary::String_klass(); |
| 6057 | 164 compute_offset(value_offset, k, vmSymbols::value_name(), vmSymbols::char_array_signature()); |
| 165 compute_optional_offset(offset_offset, k, vmSymbols::offset_name(), vmSymbols::int_signature()); | |
| 166 compute_optional_offset(count_offset, k, vmSymbols::count_name(), vmSymbols::int_signature()); | |
| 167 compute_optional_offset(hash_offset, k, vmSymbols::hash_name(), vmSymbols::int_signature()); | |
| 168 | |
| 169 initialized = true; | |
| 170 } | |
| 171 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
172 Handle java_lang_String::basic_create(int length, TRAPS) { |
| 6057 | 173 assert(initialized, "Must be initialized"); |
| 0 | 174 // Create the String object first, so there's a chance that the String |
| 175 // and the char array it points to end up in the same cache line. | |
| 176 oop obj; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
177 obj = InstanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH); |
| 0 | 178 |
| 179 // Create the char array. The String object must be handlized here | |
| 180 // because GC can happen as a result of the allocation attempt. | |
| 181 Handle h_obj(THREAD, obj); | |
| 182 typeArrayOop buffer; | |
| 183 buffer = oopFactory::new_charArray(length, CHECK_NH); | |
| 184 | |
| 185 // Point the String at the char array | |
| 186 obj = h_obj(); | |
| 187 set_value(obj, buffer); | |
| 188 // No need to zero the offset, allocation zero'ed the entire String object | |
| 189 assert(offset(obj) == 0, "initial String offset should be zero"); | |
| 190 //set_offset(obj, 0); | |
| 191 set_count(obj, length); | |
| 192 | |
| 193 return h_obj; | |
| 194 } | |
| 195 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
196 Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
197 Handle h_obj = basic_create(length, CHECK_NH); |
| 0 | 198 typeArrayOop buffer = value(h_obj()); |
| 199 for (int index = 0; index < length; index++) { | |
| 200 buffer->char_at_put(index, unicode[index]); | |
| 201 } | |
| 202 return h_obj; | |
| 203 } | |
| 204 | |
| 205 oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
206 Handle h_obj = create_from_unicode(unicode, length, CHECK_0); |
| 0 | 207 return h_obj(); |
| 208 } | |
| 209 | |
| 210 Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) { | |
| 211 if (utf8_str == NULL) { | |
| 212 return Handle(); | |
| 213 } | |
| 214 int length = UTF8::unicode_length(utf8_str); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
215 Handle h_obj = basic_create(length, CHECK_NH); |
| 0 | 216 if (length > 0) { |
| 217 UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length); | |
| 218 } | |
| 219 return h_obj; | |
| 220 } | |
| 221 | |
| 222 oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) { | |
| 223 Handle h_obj = create_from_str(utf8_str, CHECK_0); | |
| 224 return h_obj(); | |
| 225 } | |
| 226 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
227 Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) { |
| 0 | 228 int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length()); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
229 Handle h_obj = basic_create(length, CHECK_NH); |
| 0 | 230 if (length > 0) { |
| 231 UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length); | |
| 232 } | |
| 233 return h_obj; | |
| 234 } | |
| 235 | |
| 236 // Converts a C string to a Java String based on current encoding | |
| 237 Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) { | |
| 238 assert(str != NULL, "bad arguments"); | |
| 239 | |
| 240 typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *); | |
| 241 static to_java_string_fn_t _to_java_string_fn = NULL; | |
| 242 | |
| 243 if (_to_java_string_fn == NULL) { | |
| 244 void *lib_handle = os::native_java_library(); | |
|
1980
828eafbd85cc
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
1972
diff
changeset
|
245 _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform")); |
| 0 | 246 if (_to_java_string_fn == NULL) { |
| 247 fatal("NewStringPlatform missing"); | |
| 248 } | |
| 249 } | |
| 250 | |
| 251 jstring js = NULL; | |
| 252 { JavaThread* thread = (JavaThread*)THREAD; | |
| 253 assert(thread->is_Java_thread(), "must be java thread"); | |
|
22
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
254 HandleMark hm(thread); |
| 0 | 255 ThreadToNativeFromVM ttn(thread); |
| 256 js = (_to_java_string_fn)(thread->jni_environment(), str); | |
| 257 } | |
| 258 return Handle(THREAD, JNIHandles::resolve(js)); | |
| 259 } | |
| 260 | |
|
22
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
261 // Converts a Java String to a native C string that can be used for |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
262 // native OS calls. |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
263 char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) { |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
264 |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
265 typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
266 static to_platform_string_fn_t _to_platform_string_fn = NULL; |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
267 |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
268 if (_to_platform_string_fn == NULL) { |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
269 void *lib_handle = os::native_java_library(); |
|
1980
828eafbd85cc
6348631: remove the use of the HPI library from Hotspot
ikrylov
parents:
1972
diff
changeset
|
270 _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars")); |
|
22
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
271 if (_to_platform_string_fn == NULL) { |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
272 fatal("GetStringPlatformChars missing"); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
273 } |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
274 } |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
275 |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
276 char *native_platform_string; |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
277 { JavaThread* thread = (JavaThread*)THREAD; |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
278 assert(thread->is_Java_thread(), "must be java thread"); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
279 JNIEnv *env = thread->jni_environment(); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
280 jstring js = (jstring) JNIHandles::make_local(env, java_string()); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
281 bool is_copy; |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
282 HandleMark hm(thread); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
283 ThreadToNativeFromVM ttn(thread); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
284 native_platform_string = (_to_platform_string_fn)(env, js, &is_copy); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
285 assert(is_copy == JNI_TRUE, "is_copy value changed"); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
286 JNIHandles::destroy_local(js); |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
287 } |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
288 return native_platform_string; |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
289 } |
|
90f5ddc7297b
6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part)
coleenp
parents:
0
diff
changeset
|
290 |
| 0 | 291 Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) { |
| 292 oop obj = java_string(); | |
| 293 // Typical usage is to convert all '/' to '.' in string. | |
| 294 typeArrayOop value = java_lang_String::value(obj); | |
| 295 int offset = java_lang_String::offset(obj); | |
| 296 int length = java_lang_String::length(obj); | |
| 297 | |
| 298 // First check if any from_char exist | |
| 299 int index; // Declared outside, used later | |
| 300 for (index = 0; index < length; index++) { | |
| 301 if (value->char_at(index + offset) == from_char) { | |
| 302 break; | |
| 303 } | |
| 304 } | |
| 305 if (index == length) { | |
| 306 // No from_char, so do not copy. | |
| 307 return java_string; | |
| 308 } | |
| 309 | |
| 310 // Create new UNICODE buffer. Must handlize value because GC | |
| 311 // may happen during String and char array creation. | |
| 312 typeArrayHandle h_value(THREAD, value); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
313 Handle string = basic_create(length, CHECK_NH); |
| 0 | 314 |
| 315 typeArrayOop from_buffer = h_value(); | |
| 316 typeArrayOop to_buffer = java_lang_String::value(string()); | |
| 317 | |
| 318 // Copy contents | |
| 319 for (index = 0; index < length; index++) { | |
| 320 jchar c = from_buffer->char_at(index + offset); | |
| 321 if (c == from_char) { | |
| 322 c = to_char; | |
| 323 } | |
| 324 to_buffer->char_at_put(index, c); | |
| 325 } | |
| 326 return string; | |
| 327 } | |
| 328 | |
| 329 jchar* java_lang_String::as_unicode_string(oop java_string, int& length) { | |
| 330 typeArrayOop value = java_lang_String::value(java_string); | |
| 331 int offset = java_lang_String::offset(java_string); | |
| 332 length = java_lang_String::length(java_string); | |
| 333 | |
| 334 jchar* result = NEW_RESOURCE_ARRAY(jchar, length); | |
| 335 for (int index = 0; index < length; index++) { | |
| 336 result[index] = value->char_at(index + offset); | |
| 337 } | |
| 338 return result; | |
| 339 } | |
| 340 | |
| 6162 | 341 unsigned int java_lang_String::to_hash(oop java_string) { |
| 342 int length = java_lang_String::length(java_string); | |
| 343 // Zero length string will hash to zero with String.toHash() function. | |
| 344 if (length == 0) return 0; | |
| 345 | |
|
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2416
diff
changeset
|
346 typeArrayOop value = java_lang_String::value(java_string); |
|
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2416
diff
changeset
|
347 int offset = java_lang_String::offset(java_string); |
| 6162 | 348 return java_lang_String::to_hash(value->char_at_addr(offset), length); |
| 349 } | |
| 350 | |
|
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
351 char* java_lang_String::as_quoted_ascii(oop java_string) { |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
352 typeArrayOop value = java_lang_String::value(java_string); |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
353 int offset = java_lang_String::offset(java_string); |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
354 int length = java_lang_String::length(java_string); |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
355 |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
356 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
357 if (base == NULL) return NULL; |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
358 |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
359 int result_length = UNICODE::quoted_ascii_length(base, length) + 1; |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
360 char* result = NEW_RESOURCE_ARRAY(char, result_length); |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
361 UNICODE::as_quoted_ascii(base, length, result, result_length); |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
362 assert(result_length >= length + 1, "must not be shorter"); |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
363 assert(result_length == (int)strlen(result) + 1, "must match"); |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
364 return result; |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
365 } |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
366 |
| 6162 | 367 unsigned int java_lang_String::hash_string(oop java_string) { |
|
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2416
diff
changeset
|
368 int length = java_lang_String::length(java_string); |
| 6162 | 369 // Zero length string doesn't hash necessarily hash to zero. |
| 370 if (length == 0) { | |
| 371 return StringTable::hash_string(NULL, 0); | |
| 372 } | |
| 373 | |
| 374 typeArrayOop value = java_lang_String::value(java_string); | |
| 375 int offset = java_lang_String::offset(java_string); | |
| 376 return StringTable::hash_string(value->char_at_addr(offset), length); | |
|
2418
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2416
diff
changeset
|
377 } |
|
352622fd140a
7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests
never
parents:
2416
diff
changeset
|
378 |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
379 Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) { |
| 0 | 380 oop obj = java_string(); |
| 381 typeArrayOop value = java_lang_String::value(obj); | |
| 382 int offset = java_lang_String::offset(obj); | |
| 383 int length = java_lang_String::length(obj); | |
|
949
489a4f8dcd0f
6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents:
931
diff
changeset
|
384 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
385 Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
386 return sym; |
| 0 | 387 } |
| 388 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
389 Symbol* java_lang_String::as_symbol_or_null(oop java_string) { |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
390 typeArrayOop value = java_lang_String::value(java_string); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
391 int offset = java_lang_String::offset(java_string); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
392 int length = java_lang_String::length(java_string); |
|
949
489a4f8dcd0f
6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
twisti
parents:
931
diff
changeset
|
393 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
394 return SymbolTable::probe_unicode(base, length); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
395 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
396 |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
397 |
| 0 | 398 int java_lang_String::utf8_length(oop java_string) { |
| 399 typeArrayOop value = java_lang_String::value(java_string); | |
| 400 int offset = java_lang_String::offset(java_string); | |
| 401 int length = java_lang_String::length(java_string); | |
| 402 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
| 403 return UNICODE::utf8_length(position, length); | |
| 404 } | |
| 405 | |
| 406 char* java_lang_String::as_utf8_string(oop java_string) { | |
| 407 typeArrayOop value = java_lang_String::value(java_string); | |
| 408 int offset = java_lang_String::offset(java_string); | |
| 409 int length = java_lang_String::length(java_string); | |
| 410 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
| 411 return UNICODE::as_utf8(position, length); | |
| 412 } | |
| 413 | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
414 char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) { |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
415 typeArrayOop value = java_lang_String::value(java_string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
416 int offset = java_lang_String::offset(java_string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
417 int length = java_lang_String::length(java_string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
418 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
419 return UNICODE::as_utf8(position, length, buf, buflen); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
420 } |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
421 |
| 0 | 422 char* java_lang_String::as_utf8_string(oop java_string, int start, int len) { |
| 423 typeArrayOop value = java_lang_String::value(java_string); | |
| 424 int offset = java_lang_String::offset(java_string); | |
| 425 int length = java_lang_String::length(java_string); | |
| 426 assert(start + len <= length, "just checking"); | |
| 427 jchar* position = value->char_at_addr(offset + start); | |
| 428 return UNICODE::as_utf8(position, len); | |
| 429 } | |
| 430 | |
| 431 bool java_lang_String::equals(oop java_string, jchar* chars, int len) { | |
| 6867 | 432 assert(java_string->klass() == SystemDictionary::String_klass(), |
| 0 | 433 "must be java_string"); |
| 434 typeArrayOop value = java_lang_String::value(java_string); | |
| 435 int offset = java_lang_String::offset(java_string); | |
| 436 int length = java_lang_String::length(java_string); | |
| 437 if (length != len) { | |
| 438 return false; | |
| 439 } | |
| 440 for (int i = 0; i < len; i++) { | |
| 441 if (value->char_at(i + offset) != chars[i]) { | |
| 442 return false; | |
| 443 } | |
| 444 } | |
| 445 return true; | |
| 446 } | |
| 447 | |
| 448 void java_lang_String::print(Handle java_string, outputStream* st) { | |
| 449 oop obj = java_string(); | |
| 1142 | 450 assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string"); |
| 0 | 451 typeArrayOop value = java_lang_String::value(obj); |
| 452 int offset = java_lang_String::offset(obj); | |
| 453 int length = java_lang_String::length(obj); | |
| 454 | |
| 455 int end = MIN2(length, 100); | |
| 456 if (value == NULL) { | |
| 457 // This can happen if, e.g., printing a String | |
| 458 // object before its initializer has been called | |
| 459 st->print_cr("NULL"); | |
| 460 } else { | |
| 461 st->print("\""); | |
| 462 for (int index = 0; index < length; index++) { | |
| 463 st->print("%c", value->char_at(index + offset)); | |
| 464 } | |
| 465 st->print("\""); | |
| 466 } | |
| 467 } | |
| 468 | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
469 static void initialize_static_field(fieldDescriptor* fd, TRAPS) { |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
470 Handle mirror (THREAD, fd->field_holder()->java_mirror()); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
471 assert(mirror.not_null() && fd->is_static(), "just checking"); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
472 if (fd->has_initial_value()) { |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
473 BasicType t = fd->field_type(); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
474 switch (t) { |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
475 case T_BYTE: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
476 mirror()->byte_field_put(fd->offset(), fd->int_initial_value()); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
477 break; |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
478 case T_BOOLEAN: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
479 mirror()->bool_field_put(fd->offset(), fd->int_initial_value()); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
480 break; |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
481 case T_CHAR: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
482 mirror()->char_field_put(fd->offset(), fd->int_initial_value()); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
483 break; |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
484 case T_SHORT: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
485 mirror()->short_field_put(fd->offset(), fd->int_initial_value()); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
486 break; |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
487 case T_INT: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
488 mirror()->int_field_put(fd->offset(), fd->int_initial_value()); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
489 break; |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
490 case T_FLOAT: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
491 mirror()->float_field_put(fd->offset(), fd->float_initial_value()); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
492 break; |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
493 case T_DOUBLE: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
494 mirror()->double_field_put(fd->offset(), fd->double_initial_value()); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
495 break; |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
496 case T_LONG: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
497 mirror()->long_field_put(fd->offset(), fd->long_initial_value()); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
498 break; |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
499 case T_OBJECT: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
500 { |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
501 #ifdef ASSERT |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
502 TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
503 assert(fd->signature() == sym, "just checking"); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
504 #endif |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
505 oop string = fd->string_initial_value(CHECK); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
506 mirror()->obj_field_put(fd->offset(), string); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
507 } |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
508 break; |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
509 default: |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
510 THROW_MSG(vmSymbols::java_lang_ClassFormatError(), |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
511 "Illegal ConstantValue attribute in class file"); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
512 } |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
513 } |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
514 } |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
515 |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
516 |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
517 void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) { |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
518 assert(InstanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already"); |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
519 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
520 // If the offset was read from the shared archive, it was fixed up already |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
521 if (!k->is_shared()) { |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
522 if (k->oop_is_instance()) { |
| 3938 | 523 // During bootstrap, java.lang.Class wasn't loaded so static field |
| 524 // offsets were computed without the size added it. Go back and | |
| 525 // update all the static field offsets to included the size. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
526 for (JavaFieldStream fs(InstanceKlass::cast(k())); !fs.done(); fs.next()) { |
| 3938 | 527 if (fs.access_flags().is_static()) { |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
528 int real_offset = fs.offset() + InstanceMirrorKlass::offset_of_static_fields(); |
| 3938 | 529 fs.set_offset(real_offset); |
| 530 } | |
| 531 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
532 } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
533 } |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
534 create_mirror(k, CHECK); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
535 } |
| 0 | 536 |
| 537 oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) { | |
| 538 assert(k->java_mirror() == NULL, "should only assign mirror once"); | |
| 539 // Use this moment of initialization to cache modifier_flags also, | |
| 540 // to support Class.getModifiers(). Instance classes recalculate | |
| 541 // the cached flags after the class file is parsed, but before the | |
| 542 // class is put into the system dictionary. | |
| 543 int computed_modifiers = k->compute_modifier_flags(CHECK_0); | |
| 544 k->set_modifier_flags(computed_modifiers); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
545 // Class_klass has to be loaded because it is used to allocate |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
546 // the mirror. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
547 if (SystemDictionary::Class_klass_loaded()) { |
| 0 | 548 // Allocate mirror (java.lang.Class instance) |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
549 Handle mirror = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0); |
|
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
550 |
|
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
551 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass()); |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
552 java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror())); |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
553 |
| 0 | 554 // It might also have a component mirror. This mirror must already exist. |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
555 if (k->oop_is_array()) { |
| 0 | 556 Handle comp_mirror; |
| 557 if (k->oop_is_typeArray()) { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
558 BasicType type = TypeArrayKlass::cast(k())->element_type(); |
| 0 | 559 comp_mirror = Universe::java_mirror(type); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
560 } else { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
561 assert(k->oop_is_objArray(), "Must be"); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
562 Klass* element_klass = ObjArrayKlass::cast(k())->element_klass(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
563 assert(element_klass != NULL, "Must have an element klass"); |
| 6983 | 564 comp_mirror = element_klass->java_mirror(); |
| 0 | 565 } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
566 assert(comp_mirror.not_null(), "must have a mirror"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
567 |
| 0 | 568 // Two-way link between the array klass and its component mirror: |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
569 ArrayKlass::cast(k())->set_component_mirror(comp_mirror()); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
570 set_array_klass(comp_mirror(), k()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
571 } else { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
572 assert(k->oop_is_instance(), "Must be"); |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
573 // Initialize static fields |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
574 InstanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL); |
| 0 | 575 } |
| 576 return mirror(); | |
| 577 } else { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
578 if (fixup_mirror_list() == NULL) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
579 GrowableArray<Klass*>* list = |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
580 new (ResourceObj::C_HEAP, mtClass) GrowableArray<Klass*>(40, true); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
581 set_fixup_mirror_list(list); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
582 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
583 fixup_mirror_list()->push(k()); |
| 0 | 584 return NULL; |
| 585 } | |
| 586 } | |
| 587 | |
| 588 | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
589 |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
590 int java_lang_Class::oop_size(oop java_class) { |
| 3938 | 591 assert(_oop_size_offset != 0, "must be set"); |
| 592 return java_class->int_field(_oop_size_offset); | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
593 } |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
594 void java_lang_Class::set_oop_size(oop java_class, int size) { |
| 3938 | 595 assert(_oop_size_offset != 0, "must be set"); |
| 596 java_class->int_field_put(_oop_size_offset, size); | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
597 } |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
598 int java_lang_Class::static_oop_field_count(oop java_class) { |
| 3938 | 599 assert(_static_oop_field_count_offset != 0, "must be set"); |
| 600 return java_class->int_field(_static_oop_field_count_offset); | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
601 } |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
602 void java_lang_Class::set_static_oop_field_count(oop java_class, int size) { |
| 3938 | 603 assert(_static_oop_field_count_offset != 0, "must be set"); |
| 604 java_class->int_field_put(_static_oop_field_count_offset, size); | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
605 } |
|
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
606 |
| 0 | 607 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) { |
| 608 // This should be improved by adding a field at the Java level or by | |
| 609 // introducing a new VM klass (see comment in ClassFileParser) | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
610 oop java_class = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(NULL, CHECK_0); |
| 0 | 611 if (type != T_VOID) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
612 Klass* aklass = Universe::typeArrayKlassObj(type); |
| 0 | 613 assert(aklass != NULL, "correct bootstrap"); |
| 614 set_array_klass(java_class, aklass); | |
| 615 } | |
| 4009 | 616 #ifdef ASSERT |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
617 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(SystemDictionary::Class_klass()); |
| 4009 | 618 assert(java_lang_Class::static_oop_field_count(java_class) == 0, "should have been zeroed by allocation"); |
| 619 #endif | |
| 0 | 620 return java_class; |
| 621 } | |
| 622 | |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
623 #ifdef GRAAL |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
624 oop java_lang_Class::graal_mirror(oop java_class) { |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
625 assert(_graal_mirror_offset != 0, "must be set"); |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
626 return java_class->obj_field(_graal_mirror_offset); |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
627 } |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
628 #endif |
| 0 | 629 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
630 Klass* java_lang_Class::as_Klass(oop java_class) { |
| 0 | 631 //%note memory_2 |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2357
diff
changeset
|
632 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
633 Klass* k = ((Klass*)java_class->metadata_field(_klass_offset)); |
| 0 | 634 assert(k == NULL || k->is_klass(), "type check"); |
| 635 return k; | |
| 636 } | |
| 637 | |
| 638 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
639 void java_lang_Class::set_klass(oop java_class, Klass* klass) { |
| 4009 | 640 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
641 java_class->metadata_field_put(_klass_offset, klass); |
| 4009 | 642 } |
| 643 | |
| 644 | |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
645 void java_lang_Class::print_signature(oop java_class, outputStream* st) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
646 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
647 Symbol* name = NULL; |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
648 bool is_instance = false; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
649 if (is_primitive(java_class)) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
650 name = vmSymbols::type_signature(primitive_type(java_class)); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
651 } else { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
652 Klass* k = as_Klass(java_class); |
| 6983 | 653 is_instance = k->oop_is_instance(); |
| 654 name = k->name(); | |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
655 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
656 if (name == NULL) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
657 st->print("<null>"); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
658 return; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
659 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
660 if (is_instance) st->print("L"); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
661 st->write((char*) name->base(), (int) name->utf8_length()); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
662 if (is_instance) st->print(";"); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
663 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
664 |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
665 Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) { |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
666 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
667 Symbol* name; |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
668 if (is_primitive(java_class)) { |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
669 name = vmSymbols::type_signature(primitive_type(java_class)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
670 // Because this can create a new symbol, the caller has to decrement |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
671 // the refcount, so make adjustment here and below for symbols returned |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
672 // that are not created or incremented due to a successful lookup. |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
673 name->increment_refcount(); |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
674 } else { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
675 Klass* k = as_Klass(java_class); |
| 6983 | 676 if (!k->oop_is_instance()) { |
| 677 name = k->name(); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
678 name->increment_refcount(); |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
679 } else { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
680 ResourceMark rm; |
| 6983 | 681 const char* sigstr = k->signature_name(); |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
682 int siglen = (int) strlen(sigstr); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
683 if (!intern_if_not_found) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
684 name = SymbolTable::probe(sigstr, siglen); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
685 } else { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
686 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
687 } |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
688 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
689 } |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
690 return name; |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
691 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
692 |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
693 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
694 Klass* java_lang_Class::array_klass(oop java_class) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
695 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
| 6983 | 696 assert(k == NULL || k->is_klass() && k->oop_is_array(), "should be array klass"); |
| 0 | 697 return k; |
| 698 } | |
| 699 | |
| 700 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
701 void java_lang_Class::set_array_klass(oop java_class, Klass* klass) { |
| 6983 | 702 assert(klass->is_klass() && klass->oop_is_array(), "should be array klass"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
703 java_class->metadata_field_put(_array_klass_offset, klass); |
| 0 | 704 } |
| 705 | |
| 706 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
707 Method* java_lang_Class::resolved_constructor(oop java_class) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
708 Metadata* constructor = java_class->metadata_field(_resolved_constructor_offset); |
| 0 | 709 assert(constructor == NULL || constructor->is_method(), "should be method"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
710 return ((Method*)constructor); |
| 0 | 711 } |
| 712 | |
| 713 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
714 void java_lang_Class::set_resolved_constructor(oop java_class, Method* constructor) { |
| 0 | 715 assert(constructor->is_method(), "should be method"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
716 java_class->metadata_field_put(_resolved_constructor_offset, constructor); |
| 0 | 717 } |
| 718 | |
| 719 | |
| 720 bool java_lang_Class::is_primitive(oop java_class) { | |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
721 // should assert: |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
722 //assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
723 bool is_primitive = (java_class->metadata_field(_klass_offset) == NULL); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
724 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
725 #ifdef ASSERT |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
726 if (is_primitive) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
727 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
728 assert(k == NULL || is_java_primitive(ArrayKlass::cast(k)->element_type()), |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
729 "Should be either the T_VOID primitive or a java primitive"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
730 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
731 #endif |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
732 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
733 return is_primitive; |
| 0 | 734 } |
| 735 | |
| 736 | |
| 737 BasicType java_lang_Class::primitive_type(oop java_class) { | |
| 738 assert(java_lang_Class::is_primitive(java_class), "just checking"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
739 Klass* ak = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
| 0 | 740 BasicType type = T_VOID; |
| 741 if (ak != NULL) { | |
| 742 // Note: create_basic_type_mirror above initializes ak to a non-null value. | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
743 type = ArrayKlass::cast(ak)->element_type(); |
| 0 | 744 } else { |
| 745 assert(java_class == Universe::void_mirror(), "only valid non-array primitive"); | |
| 746 } | |
| 747 assert(Universe::java_mirror(type) == java_class, "must be consistent"); | |
| 748 return type; | |
| 749 } | |
| 750 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
751 BasicType java_lang_Class::as_BasicType(oop java_class, Klass** reference_klass) { |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
752 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
753 if (is_primitive(java_class)) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
754 if (reference_klass != NULL) |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
755 (*reference_klass) = NULL; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
756 return primitive_type(java_class); |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
757 } else { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
758 if (reference_klass != NULL) |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
759 (*reference_klass) = as_Klass(java_class); |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
760 return T_OBJECT; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
761 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
762 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
763 |
| 0 | 764 |
| 765 oop java_lang_Class::primitive_mirror(BasicType t) { | |
| 766 oop mirror = Universe::java_mirror(t); | |
| 1142 | 767 assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class"); |
| 0 | 768 assert(java_lang_Class::is_primitive(mirror), "must be primitive"); |
| 769 return mirror; | |
| 770 } | |
| 771 | |
| 772 bool java_lang_Class::offsets_computed = false; | |
| 773 int java_lang_Class::classRedefinedCount_offset = -1; | |
| 774 | |
| 775 void java_lang_Class::compute_offsets() { | |
| 776 assert(!offsets_computed, "offsets should be initialized only once"); | |
| 777 offsets_computed = true; | |
| 778 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
779 Klass* klass_oop = SystemDictionary::Class_klass(); |
| 0 | 780 // The classRedefinedCount field is only present starting in 1.5, |
| 781 // so don't go fatal. | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
782 compute_optional_offset(classRedefinedCount_offset, |
| 3938 | 783 klass_oop, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature()); |
| 784 | |
| 785 CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
| 0 | 786 } |
| 787 | |
| 788 int java_lang_Class::classRedefinedCount(oop the_class_mirror) { | |
| 789 if (!JDK_Version::is_gte_jdk15x_version() | |
| 790 || classRedefinedCount_offset == -1) { | |
| 791 // The classRedefinedCount field is only present starting in 1.5. | |
| 792 // If we don't have an offset for it then just return -1 as a marker. | |
| 793 return -1; | |
| 794 } | |
| 795 | |
| 796 return the_class_mirror->int_field(classRedefinedCount_offset); | |
| 797 } | |
| 798 | |
| 799 void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) { | |
| 800 if (!JDK_Version::is_gte_jdk15x_version() | |
| 801 || classRedefinedCount_offset == -1) { | |
| 802 // The classRedefinedCount field is only present starting in 1.5. | |
| 803 // If we don't have an offset for it then nothing to set. | |
| 804 return; | |
| 805 } | |
| 806 | |
| 807 the_class_mirror->int_field_put(classRedefinedCount_offset, value); | |
| 808 } | |
| 809 | |
| 810 | |
| 811 // Note: JDK1.1 and before had a privateInfo_offset field which was used for the | |
| 812 // platform thread structure, and a eetop offset which was used for thread | |
| 813 // local storage (and unused by the HotSpot VM). In JDK1.2 the two structures | |
| 814 // merged, so in the HotSpot VM we just use the eetop field for the thread | |
| 815 // instead of the privateInfo_offset. | |
| 816 // | |
| 817 // Note: The stackSize field is only present starting in 1.4. | |
| 818 | |
| 819 int java_lang_Thread::_name_offset = 0; | |
| 820 int java_lang_Thread::_group_offset = 0; | |
| 821 int java_lang_Thread::_contextClassLoader_offset = 0; | |
| 822 int java_lang_Thread::_inheritedAccessControlContext_offset = 0; | |
| 823 int java_lang_Thread::_priority_offset = 0; | |
| 824 int java_lang_Thread::_eetop_offset = 0; | |
| 825 int java_lang_Thread::_daemon_offset = 0; | |
| 826 int java_lang_Thread::_stillborn_offset = 0; | |
| 827 int java_lang_Thread::_stackSize_offset = 0; | |
| 828 int java_lang_Thread::_tid_offset = 0; | |
| 829 int java_lang_Thread::_thread_status_offset = 0; | |
| 830 int java_lang_Thread::_park_blocker_offset = 0; | |
| 831 int java_lang_Thread::_park_event_offset = 0 ; | |
| 832 | |
| 833 | |
| 834 void java_lang_Thread::compute_offsets() { | |
| 835 assert(_group_offset == 0, "offsets should be initialized only once"); | |
| 836 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
837 Klass* k = SystemDictionary::Thread_klass(); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
838 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
839 compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
840 compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
841 compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
842 compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
843 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
844 compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
845 compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature()); |
| 0 | 846 // The stackSize field is only present starting in 1.4, so don't go fatal. |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
847 compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature()); |
| 0 | 848 // The tid and thread_status fields are only present starting in 1.5, so don't go fatal. |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
849 compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
850 compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature()); |
| 0 | 851 // The parkBlocker field is only present starting in 1.6, so don't go fatal. |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
852 compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
853 compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(), |
| 0 | 854 vmSymbols::long_signature()); |
| 855 } | |
| 856 | |
| 857 | |
| 858 JavaThread* java_lang_Thread::thread(oop java_thread) { | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
859 return (JavaThread*)java_thread->address_field(_eetop_offset); |
| 0 | 860 } |
| 861 | |
| 862 | |
| 863 void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) { | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
864 java_thread->address_field_put(_eetop_offset, (address)thread); |
| 0 | 865 } |
| 866 | |
| 867 | |
| 868 typeArrayOop java_lang_Thread::name(oop java_thread) { | |
| 869 oop name = java_thread->obj_field(_name_offset); | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6735
diff
changeset
|
870 assert(name == NULL || (name->is_typeArray() && TypeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking"); |
| 0 | 871 return typeArrayOop(name); |
| 872 } | |
| 873 | |
| 874 | |
| 875 void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) { | |
| 876 assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL"); | |
| 877 java_thread->obj_field_put(_name_offset, name); | |
| 878 } | |
| 879 | |
| 880 | |
| 881 ThreadPriority java_lang_Thread::priority(oop java_thread) { | |
| 882 return (ThreadPriority)java_thread->int_field(_priority_offset); | |
| 883 } | |
| 884 | |
| 885 | |
| 886 void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) { | |
| 887 java_thread->int_field_put(_priority_offset, priority); | |
| 888 } | |
| 889 | |
| 890 | |
| 891 oop java_lang_Thread::threadGroup(oop java_thread) { | |
| 892 return java_thread->obj_field(_group_offset); | |
| 893 } | |
| 894 | |
| 895 | |
| 896 bool java_lang_Thread::is_stillborn(oop java_thread) { | |
| 897 return java_thread->bool_field(_stillborn_offset) != 0; | |
| 898 } | |
| 899 | |
| 900 | |
| 901 // We never have reason to turn the stillborn bit off | |
| 902 void java_lang_Thread::set_stillborn(oop java_thread) { | |
| 903 java_thread->bool_field_put(_stillborn_offset, true); | |
| 904 } | |
| 905 | |
| 906 | |
| 907 bool java_lang_Thread::is_alive(oop java_thread) { | |
| 908 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
| 909 return (thr != NULL); | |
| 910 } | |
| 911 | |
| 912 | |
| 913 bool java_lang_Thread::is_daemon(oop java_thread) { | |
| 914 return java_thread->bool_field(_daemon_offset) != 0; | |
| 915 } | |
| 916 | |
| 917 | |
| 918 void java_lang_Thread::set_daemon(oop java_thread) { | |
| 919 java_thread->bool_field_put(_daemon_offset, true); | |
| 920 } | |
| 921 | |
| 922 oop java_lang_Thread::context_class_loader(oop java_thread) { | |
| 923 return java_thread->obj_field(_contextClassLoader_offset); | |
| 924 } | |
| 925 | |
| 926 oop java_lang_Thread::inherited_access_control_context(oop java_thread) { | |
| 927 return java_thread->obj_field(_inheritedAccessControlContext_offset); | |
| 928 } | |
| 929 | |
| 930 | |
| 931 jlong java_lang_Thread::stackSize(oop java_thread) { | |
| 932 // The stackSize field is only present starting in 1.4 | |
| 933 if (_stackSize_offset > 0) { | |
| 934 assert(JDK_Version::is_gte_jdk14x_version(), "sanity check"); | |
| 935 return java_thread->long_field(_stackSize_offset); | |
| 936 } else { | |
| 937 return 0; | |
| 938 } | |
| 939 } | |
| 940 | |
| 941 // Write the thread status value to threadStatus field in java.lang.Thread java class. | |
| 942 void java_lang_Thread::set_thread_status(oop java_thread, | |
| 943 java_lang_Thread::ThreadStatus status) { | |
| 944 assert(JavaThread::current()->thread_state() == _thread_in_vm, "Java Thread is not running in vm"); | |
| 945 // The threadStatus is only present starting in 1.5 | |
| 946 if (_thread_status_offset > 0) { | |
| 947 java_thread->int_field_put(_thread_status_offset, status); | |
| 948 } | |
| 949 } | |
| 950 | |
| 951 // Read thread status value from threadStatus field in java.lang.Thread java class. | |
| 952 java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { | |
| 953 assert(Thread::current()->is_VM_thread() || | |
| 954 JavaThread::current()->thread_state() == _thread_in_vm, | |
| 955 "Java Thread is not running in vm"); | |
| 956 // The threadStatus is only present starting in 1.5 | |
| 957 if (_thread_status_offset > 0) { | |
| 958 return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
| 959 } else { | |
| 960 // All we can easily figure out is if it is alive, but that is | |
| 961 // enough info for a valid unknown status. | |
| 962 // These aren't restricted to valid set ThreadStatus values, so | |
| 963 // use JVMTI values and cast. | |
| 964 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
| 965 if (thr == NULL) { | |
| 966 // the thread hasn't run yet or is in the process of exiting | |
| 967 return NEW; | |
| 968 } | |
| 969 return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE; | |
| 970 } | |
| 971 } | |
| 972 | |
| 973 | |
| 974 jlong java_lang_Thread::thread_id(oop java_thread) { | |
| 975 // The thread ID field is only present starting in 1.5 | |
| 976 if (_tid_offset > 0) { | |
| 977 return java_thread->long_field(_tid_offset); | |
| 978 } else { | |
| 979 return 0; | |
| 980 } | |
| 981 } | |
| 982 | |
| 983 oop java_lang_Thread::park_blocker(oop java_thread) { | |
| 242 | 984 assert(JDK_Version::current().supports_thread_park_blocker() && |
| 985 _park_blocker_offset != 0, "Must support parkBlocker field"); | |
| 0 | 986 |
| 987 if (_park_blocker_offset > 0) { | |
| 988 return java_thread->obj_field(_park_blocker_offset); | |
| 989 } | |
| 990 | |
| 991 return NULL; | |
| 992 } | |
| 993 | |
| 994 jlong java_lang_Thread::park_event(oop java_thread) { | |
| 995 if (_park_event_offset > 0) { | |
| 996 return java_thread->long_field(_park_event_offset); | |
| 997 } | |
| 998 return 0; | |
| 999 } | |
| 1000 | |
| 1001 bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) { | |
| 1002 if (_park_event_offset > 0) { | |
| 1003 java_thread->long_field_put(_park_event_offset, ptr); | |
| 1004 return true; | |
| 1005 } | |
| 1006 return false; | |
| 1007 } | |
| 1008 | |
| 1009 | |
| 1010 const char* java_lang_Thread::thread_status_name(oop java_thread) { | |
| 1011 assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status"); | |
| 1012 ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
| 1013 switch (status) { | |
| 1014 case NEW : return "NEW"; | |
| 1015 case RUNNABLE : return "RUNNABLE"; | |
| 1016 case SLEEPING : return "TIMED_WAITING (sleeping)"; | |
| 1017 case IN_OBJECT_WAIT : return "WAITING (on object monitor)"; | |
| 1018 case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)"; | |
| 1019 case PARKED : return "WAITING (parking)"; | |
| 1020 case PARKED_TIMED : return "TIMED_WAITING (parking)"; | |
| 1021 case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)"; | |
| 1022 case TERMINATED : return "TERMINATED"; | |
| 1023 default : return "UNKNOWN"; | |
| 1024 }; | |
| 1025 } | |
| 1026 int java_lang_ThreadGroup::_parent_offset = 0; | |
| 1027 int java_lang_ThreadGroup::_name_offset = 0; | |
| 1028 int java_lang_ThreadGroup::_threads_offset = 0; | |
| 1029 int java_lang_ThreadGroup::_groups_offset = 0; | |
| 1030 int java_lang_ThreadGroup::_maxPriority_offset = 0; | |
| 1031 int java_lang_ThreadGroup::_destroyed_offset = 0; | |
| 1032 int java_lang_ThreadGroup::_daemon_offset = 0; | |
| 1033 int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0; | |
| 1034 int java_lang_ThreadGroup::_nthreads_offset = 0; | |
| 1035 int java_lang_ThreadGroup::_ngroups_offset = 0; | |
| 1036 | |
| 1037 oop java_lang_ThreadGroup::parent(oop java_thread_group) { | |
| 1038 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1039 return java_thread_group->obj_field(_parent_offset); | |
| 1040 } | |
| 1041 | |
| 1042 // ("name as oop" accessor is not necessary) | |
| 1043 | |
| 1044 typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) { | |
| 1045 oop name = java_thread_group->obj_field(_name_offset); | |
| 1046 // ThreadGroup.name can be null | |
| 1047 return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name); | |
| 1048 } | |
| 1049 | |
| 1050 int java_lang_ThreadGroup::nthreads(oop java_thread_group) { | |
| 1051 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1052 return java_thread_group->int_field(_nthreads_offset); | |
| 1053 } | |
| 1054 | |
| 1055 objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) { | |
| 1056 oop threads = java_thread_group->obj_field(_threads_offset); | |
| 1057 assert(threads != NULL, "threadgroups should have threads"); | |
| 1058 assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code | |
| 1059 return objArrayOop(threads); | |
| 1060 } | |
| 1061 | |
| 1062 int java_lang_ThreadGroup::ngroups(oop java_thread_group) { | |
| 1063 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1064 return java_thread_group->int_field(_ngroups_offset); | |
| 1065 } | |
| 1066 | |
| 1067 objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) { | |
| 1068 oop groups = java_thread_group->obj_field(_groups_offset); | |
| 1069 assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code | |
| 1070 return objArrayOop(groups); | |
| 1071 } | |
| 1072 | |
| 1073 ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) { | |
| 1074 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1075 return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset); | |
| 1076 } | |
| 1077 | |
| 1078 bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) { | |
| 1079 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1080 return java_thread_group->bool_field(_destroyed_offset) != 0; | |
| 1081 } | |
| 1082 | |
| 1083 bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) { | |
| 1084 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1085 return java_thread_group->bool_field(_daemon_offset) != 0; | |
| 1086 } | |
| 1087 | |
| 1088 bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) { | |
| 1089 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
| 1090 return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0; | |
| 1091 } | |
| 1092 | |
| 1093 void java_lang_ThreadGroup::compute_offsets() { | |
| 1094 assert(_parent_offset == 0, "offsets should be initialized only once"); | |
| 1095 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1096 Klass* k = SystemDictionary::ThreadGroup_klass(); |
| 0 | 1097 |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1098 compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1099 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1100 compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1101 compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1102 compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1103 compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1104 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1105 compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1106 compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1107 compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature()); |
| 0 | 1108 } |
| 1109 | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1110 oop java_lang_Throwable::unassigned_stacktrace() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1111 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Throwable_klass()); |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1112 address addr = ik->static_field_addr(static_unassigned_stacktrace_offset); |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1113 if (UseCompressedOops) { |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1114 return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1115 } else { |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1116 return oopDesc::load_decode_heap_oop((oop*)addr); |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1117 } |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1118 } |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1119 |
| 0 | 1120 oop java_lang_Throwable::backtrace(oop throwable) { |
| 1121 return throwable->obj_field_acquire(backtrace_offset); | |
| 1122 } | |
| 1123 | |
| 1124 | |
| 1125 void java_lang_Throwable::set_backtrace(oop throwable, oop value) { | |
| 1126 throwable->release_obj_field_put(backtrace_offset, value); | |
| 1127 } | |
| 1128 | |
| 1129 | |
| 1130 oop java_lang_Throwable::message(oop throwable) { | |
| 1131 return throwable->obj_field(detailMessage_offset); | |
| 1132 } | |
| 1133 | |
| 1134 | |
| 1135 oop java_lang_Throwable::message(Handle throwable) { | |
| 1136 return throwable->obj_field(detailMessage_offset); | |
| 1137 } | |
| 1138 | |
| 1139 | |
| 1140 void java_lang_Throwable::set_message(oop throwable, oop value) { | |
| 1141 throwable->obj_field_put(detailMessage_offset, value); | |
| 1142 } | |
| 1143 | |
| 1144 | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1145 void java_lang_Throwable::set_stacktrace(oop throwable, oop st_element_array) { |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1146 throwable->obj_field_put(stackTrace_offset, st_element_array); |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1147 } |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1148 |
| 0 | 1149 void java_lang_Throwable::clear_stacktrace(oop throwable) { |
| 1150 assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1151 set_stacktrace(throwable, NULL); |
| 0 | 1152 } |
| 1153 | |
| 1154 | |
| 1155 void java_lang_Throwable::print(oop throwable, outputStream* st) { | |
| 1156 ResourceMark rm; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1157 Klass* k = throwable->klass(); |
| 0 | 1158 assert(k != NULL, "just checking"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1159 st->print("%s", InstanceKlass::cast(k)->external_name()); |
| 0 | 1160 oop msg = message(throwable); |
| 1161 if (msg != NULL) { | |
| 1162 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
| 1163 } | |
| 1164 } | |
| 1165 | |
| 1166 | |
| 1167 void java_lang_Throwable::print(Handle throwable, outputStream* st) { | |
| 1168 ResourceMark rm; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1169 Klass* k = throwable->klass(); |
| 0 | 1170 assert(k != NULL, "just checking"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1171 st->print("%s", InstanceKlass::cast(k)->external_name()); |
| 0 | 1172 oop msg = message(throwable); |
| 1173 if (msg != NULL) { | |
| 1174 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
| 1175 } | |
| 1176 } | |
| 1177 | |
| 1178 // Print stack trace element to resource allocated buffer | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1179 char* java_lang_Throwable::print_stack_element_to_buffer(Method* method, int bci) { |
| 0 | 1180 // Get strings and string lengths |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6867
diff
changeset
|
1181 InstanceKlass* klass = method->method_holder(); |
| 0 | 1182 const char* klass_name = klass->external_name(); |
| 1183 int buf_len = (int)strlen(klass_name); | |
| 1184 char* source_file_name; | |
| 1185 if (klass->source_file_name() == NULL) { | |
| 1186 source_file_name = NULL; | |
| 1187 } else { | |
| 1188 source_file_name = klass->source_file_name()->as_C_string(); | |
| 1189 buf_len += (int)strlen(source_file_name); | |
| 1190 } | |
| 1191 char* method_name = method->name()->as_C_string(); | |
| 1192 buf_len += (int)strlen(method_name); | |
| 1193 | |
| 1194 // Allocate temporary buffer with extra space for formatting and line number | |
| 1195 char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); | |
| 1196 | |
| 1197 // Print stack trace line in buffer | |
| 1198 sprintf(buf, "\tat %s.%s", klass_name, method_name); | |
| 1199 if (method->is_native()) { | |
| 1200 strcat(buf, "(Native Method)"); | |
| 1201 } else { | |
| 1202 int line_number = method->line_number_from_bci(bci); | |
| 1203 if (source_file_name != NULL && (line_number != -1)) { | |
| 1204 // Sourcename and linenumber | |
| 1205 sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number); | |
| 1206 } else if (source_file_name != NULL) { | |
| 1207 // Just sourcename | |
| 1208 sprintf(buf + (int)strlen(buf), "(%s)", source_file_name); | |
| 1209 } else { | |
| 1210 // Neither soucename and linenumber | |
| 1211 sprintf(buf + (int)strlen(buf), "(Unknown Source)"); | |
| 1212 } | |
| 1213 nmethod* nm = method->code(); | |
| 1214 if (WizardMode && nm != NULL) { | |
| 3960 | 1215 sprintf(buf + (int)strlen(buf), "(nmethod " INTPTR_FORMAT ")", (intptr_t)nm); |
| 0 | 1216 } |
| 1217 } | |
| 1218 | |
| 1219 return buf; | |
| 1220 } | |
| 1221 | |
| 1222 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1223 void java_lang_Throwable::print_stack_element(Handle stream, Method* method, int bci) { |
| 0 | 1224 ResourceMark rm; |
| 1225 char* buf = print_stack_element_to_buffer(method, bci); | |
| 1226 print_to_stream(stream, buf); | |
| 1227 } | |
| 1228 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1229 void java_lang_Throwable::print_stack_element(outputStream *st, Method* method, int bci) { |
| 0 | 1230 ResourceMark rm; |
| 1231 char* buf = print_stack_element_to_buffer(method, bci); | |
| 1232 st->print_cr("%s", buf); | |
| 1233 } | |
| 1234 | |
| 1235 void java_lang_Throwable::print_to_stream(Handle stream, const char* str) { | |
| 1236 if (stream.is_null()) { | |
| 1237 tty->print_cr("%s", str); | |
| 1238 } else { | |
| 1239 EXCEPTION_MARK; | |
| 1240 JavaValue result(T_VOID); | |
| 1241 Handle arg (THREAD, oopFactory::new_charArray(str, THREAD)); | |
| 1242 if (!HAS_PENDING_EXCEPTION) { | |
| 1243 JavaCalls::call_virtual(&result, | |
| 1244 stream, | |
| 1245 KlassHandle(THREAD, stream->klass()), | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1246 vmSymbols::println_name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1247 vmSymbols::char_array_void_signature(), |
| 0 | 1248 arg, |
| 1249 THREAD); | |
| 1250 } | |
| 1251 // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. | |
| 1252 if (HAS_PENDING_EXCEPTION) CLEAR_PENDING_EXCEPTION; | |
| 1253 } | |
| 1254 | |
| 1255 } | |
| 1256 | |
| 1257 | |
| 1258 const char* java_lang_Throwable::no_stack_trace_message() { | |
| 1259 return "\t<<no stack trace available>>"; | |
| 1260 } | |
| 1261 | |
| 1262 | |
| 1263 // Currently used only for exceptions occurring during startup | |
| 1264 void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) { | |
| 1265 Thread *THREAD = Thread::current(); | |
| 1266 Handle h_throwable(THREAD, throwable); | |
| 1267 while (h_throwable.not_null()) { | |
| 1268 objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable()))); | |
| 1269 if (result.is_null()) { | |
| 1270 st->print_cr(no_stack_trace_message()); | |
| 1271 return; | |
| 1272 } | |
| 1273 | |
| 1274 while (result.not_null()) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1275 typeArrayHandle methods (THREAD, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1276 typeArrayOop(result->obj_at(trace_methods_offset))); |
| 0 | 1277 typeArrayHandle bcis (THREAD, |
| 1278 typeArrayOop(result->obj_at(trace_bcis_offset))); | |
| 1279 | |
| 1280 if (methods.is_null() || bcis.is_null()) { | |
| 1281 st->print_cr(no_stack_trace_message()); | |
| 1282 return; | |
| 1283 } | |
| 1284 | |
| 1285 int length = methods()->length(); | |
| 1286 for (int index = 0; index < length; index++) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1287 Method* method = ((Method*)methods()->metadata_at(index)); |
| 0 | 1288 if (method == NULL) goto handle_cause; |
| 1289 int bci = bcis->ushort_at(index); | |
| 1290 print_stack_element(st, method, bci); | |
| 1291 } | |
| 1292 result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset))); | |
| 1293 } | |
| 1294 handle_cause: | |
| 1295 { | |
| 1296 EXCEPTION_MARK; | |
| 1297 JavaValue result(T_OBJECT); | |
| 1298 JavaCalls::call_virtual(&result, | |
| 1299 h_throwable, | |
| 1300 KlassHandle(THREAD, h_throwable->klass()), | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1301 vmSymbols::getCause_name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1302 vmSymbols::void_throwable_signature(), |
| 0 | 1303 THREAD); |
| 1304 // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. | |
| 1305 if (HAS_PENDING_EXCEPTION) { | |
| 1306 CLEAR_PENDING_EXCEPTION; | |
| 1307 h_throwable = Handle(); | |
| 1308 } else { | |
| 1309 h_throwable = Handle(THREAD, (oop) result.get_jobject()); | |
| 1310 if (h_throwable.not_null()) { | |
| 1311 st->print("Caused by: "); | |
| 1312 print(h_throwable, st); | |
| 1313 st->cr(); | |
| 1314 } | |
| 1315 } | |
| 1316 } | |
| 1317 } | |
| 1318 } | |
| 1319 | |
| 1320 | |
| 1321 void java_lang_Throwable::print_stack_trace(oop throwable, oop print_stream) { | |
| 1322 // Note: this is no longer used in Merlin, but we support it for compatibility. | |
| 1323 Thread *thread = Thread::current(); | |
| 1324 Handle stream(thread, print_stream); | |
| 1325 objArrayHandle result (thread, objArrayOop(backtrace(throwable))); | |
| 1326 if (result.is_null()) { | |
| 1327 print_to_stream(stream, no_stack_trace_message()); | |
| 1328 return; | |
| 1329 } | |
| 1330 | |
| 1331 while (result.not_null()) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1332 typeArrayHandle methods(thread, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1333 typeArrayOop(result->obj_at(trace_methods_offset))); |
| 0 | 1334 typeArrayHandle bcis (thread, |
| 1335 typeArrayOop(result->obj_at(trace_bcis_offset))); | |
| 1336 | |
| 1337 if (methods.is_null() || bcis.is_null()) { | |
| 1338 print_to_stream(stream, no_stack_trace_message()); | |
| 1339 return; | |
| 1340 } | |
| 1341 | |
| 1342 int length = methods()->length(); | |
| 1343 for (int index = 0; index < length; index++) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1344 Method* method = ((Method*)methods()->metadata_at(index)); |
| 0 | 1345 if (method == NULL) return; |
| 1346 int bci = bcis->ushort_at(index); | |
| 1347 print_stack_element(stream, method, bci); | |
| 1348 } | |
| 1349 result = objArrayHandle(thread, objArrayOop(result->obj_at(trace_next_offset))); | |
| 1350 } | |
| 1351 } | |
| 1352 | |
| 1353 // This class provides a simple wrapper over the internal structure of | |
| 1354 // exception backtrace to insulate users of the backtrace from needing | |
| 1355 // to know what it looks like. | |
| 1356 class BacktraceBuilder: public StackObj { | |
| 1357 private: | |
| 1358 Handle _backtrace; | |
| 1359 objArrayOop _head; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1360 typeArrayOop _methods; |
| 0 | 1361 typeArrayOop _bcis; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1362 objArrayOop _mirrors; |
| 0 | 1363 int _index; |
| 1364 No_Safepoint_Verifier _nsv; | |
| 1365 | |
| 1366 public: | |
| 1367 | |
| 1368 enum { | |
| 1369 trace_methods_offset = java_lang_Throwable::trace_methods_offset, | |
| 1370 trace_bcis_offset = java_lang_Throwable::trace_bcis_offset, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1371 trace_mirrors_offset = java_lang_Throwable::trace_mirrors_offset, |
| 0 | 1372 trace_next_offset = java_lang_Throwable::trace_next_offset, |
| 1373 trace_size = java_lang_Throwable::trace_size, | |
| 1374 trace_chunk_size = java_lang_Throwable::trace_chunk_size | |
| 1375 }; | |
| 1376 | |
| 1377 // constructor for new backtrace | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1378 BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _mirrors(NULL) { |
| 0 | 1379 expand(CHECK); |
| 1380 _backtrace = _head; | |
| 1381 _index = 0; | |
| 1382 } | |
| 1383 | |
| 1384 void expand(TRAPS) { | |
| 1385 objArrayHandle old_head(THREAD, _head); | |
| 1386 Pause_No_Safepoint_Verifier pnsv(&_nsv); | |
| 1387 | |
| 1388 objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK); | |
| 1389 objArrayHandle new_head(THREAD, head); | |
| 1390 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1391 typeArrayOop methods = oopFactory::new_metaDataArray(trace_chunk_size, CHECK); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1392 typeArrayHandle new_methods(THREAD, methods); |
| 0 | 1393 |
| 1394 typeArrayOop bcis = oopFactory::new_shortArray(trace_chunk_size, CHECK); | |
| 1395 typeArrayHandle new_bcis(THREAD, bcis); | |
| 1396 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1397 objArrayOop mirrors = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1398 objArrayHandle new_mirrors(THREAD, mirrors); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1399 |
| 0 | 1400 if (!old_head.is_null()) { |
| 1401 old_head->obj_at_put(trace_next_offset, new_head()); | |
| 1402 } | |
| 1403 new_head->obj_at_put(trace_methods_offset, new_methods()); | |
| 1404 new_head->obj_at_put(trace_bcis_offset, new_bcis()); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1405 new_head->obj_at_put(trace_mirrors_offset, new_mirrors()); |
| 0 | 1406 |
| 1407 _head = new_head(); | |
| 1408 _methods = new_methods(); | |
| 1409 _bcis = new_bcis(); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1410 _mirrors = new_mirrors(); |
| 0 | 1411 _index = 0; |
| 1412 } | |
| 1413 | |
| 1414 oop backtrace() { | |
| 1415 return _backtrace(); | |
| 1416 } | |
| 1417 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1418 inline void push(Method* method, int bci, TRAPS) { |
|
4817
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1419 // Smear the -1 bci to 0 since the array only holds unsigned |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1420 // shorts. The later line number lookup would just smear the -1 |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1421 // to a 0 even if it could be recorded. |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1422 if (bci == SynchronizationEntryBCI) bci = 0; |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1423 assert(bci == (jushort)bci, "doesn't fit"); |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1424 |
| 0 | 1425 if (_index >= trace_chunk_size) { |
| 1426 methodHandle mhandle(THREAD, method); | |
| 1427 expand(CHECK); | |
| 1428 method = mhandle(); | |
| 1429 } | |
| 1430 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1431 _methods->metadata_at_put(_index, method); |
| 0 | 1432 _bcis->ushort_at_put(_index, bci); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1433 // we need to save the mirrors in the backtrace to keep the methods from |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1434 // being unloaded if their class loader is unloaded while we still have |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1435 // this stack trace. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1436 _mirrors->obj_at_put(_index, method->method_holder()->java_mirror()); |
| 0 | 1437 _index++; |
| 1438 } | |
| 1439 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1440 Method* current_method() { |
| 0 | 1441 assert(_index >= 0 && _index < trace_chunk_size, "out of range"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1442 return ((Method*)_methods->metadata_at(_index)); |
| 0 | 1443 } |
| 1444 | |
| 1445 jushort current_bci() { | |
| 1446 assert(_index >= 0 && _index < trace_chunk_size, "out of range"); | |
| 1447 return _bcis->ushort_at(_index); | |
| 1448 } | |
| 1449 }; | |
| 1450 | |
| 1451 | |
|
3272
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1452 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) { |
| 0 | 1453 if (!StackTraceInThrowable) return; |
| 1454 ResourceMark rm(THREAD); | |
| 1455 | |
| 1456 // Start out by clearing the backtrace for this object, in case the VM | |
| 1457 // runs out of memory while allocating the stack trace | |
| 1458 set_backtrace(throwable(), NULL); | |
| 1459 if (JDK_Version::is_gte_jdk14x_version()) { | |
| 1460 // New since 1.4, clear lazily constructed Java level stacktrace if | |
| 1461 // refilling occurs | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1462 // This is unnecessary in 1.7+ but harmless |
| 0 | 1463 clear_stacktrace(throwable()); |
| 1464 } | |
| 1465 | |
| 1466 int max_depth = MaxJavaStackTraceDepth; | |
| 1467 JavaThread* thread = (JavaThread*)THREAD; | |
| 1468 BacktraceBuilder bt(CHECK); | |
| 1469 | |
|
3272
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1470 // If there is no Java frame just return the method that was being called |
|
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1471 // with bci 0 |
|
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1472 if (!thread->has_last_Java_frame()) { |
|
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1473 if (max_depth >= 1 && method() != NULL) { |
|
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1474 bt.push(method(), 0, CHECK); |
|
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1475 set_backtrace(throwable(), bt.backtrace()); |
|
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1476 } |
|
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1477 return; |
|
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1478 } |
|
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1479 |
| 0 | 1480 // Instead of using vframe directly, this version of fill_in_stack_trace |
| 1481 // basically handles everything by hand. This significantly improved the | |
| 1482 // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows. | |
| 1483 // See bug 6333838 for more details. | |
| 1484 // The "ASSERT" here is to verify this method generates the exactly same stack | |
| 1485 // trace as utilizing vframe. | |
| 1486 #ifdef ASSERT | |
| 1487 vframeStream st(thread); | |
| 1488 methodHandle st_method(THREAD, st.method()); | |
| 1489 #endif | |
| 1490 int total_count = 0; | |
| 1491 RegisterMap map(thread, false); | |
| 1492 int decode_offset = 0; | |
| 1493 nmethod* nm = NULL; | |
| 1494 bool skip_fillInStackTrace_check = false; | |
| 1495 bool skip_throwableInit_check = false; | |
|
6267
977007096840
7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents:
6266
diff
changeset
|
1496 bool skip_hidden = !ShowHiddenFrames; |
| 0 | 1497 |
| 1498 for (frame fr = thread->last_frame(); max_depth != total_count;) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1499 Method* method = NULL; |
| 0 | 1500 int bci = 0; |
| 1501 | |
| 1502 // Compiled java method case. | |
| 1503 if (decode_offset != 0) { | |
| 1504 DebugInfoReadStream stream(nm, decode_offset); | |
| 1505 decode_offset = stream.read_int(); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1506 method = (Method*)nm->metadata_at(stream.read_int()); |
|
931
72088be4b386
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents:
900
diff
changeset
|
1507 bci = stream.read_bci(); |
| 0 | 1508 } else { |
| 1509 if (fr.is_first_frame()) break; | |
| 1510 address pc = fr.pc(); | |
| 1511 if (fr.is_interpreted_frame()) { | |
| 1512 intptr_t bcx = fr.interpreter_frame_bcx(); | |
| 1513 method = fr.interpreter_frame_method(); | |
| 1514 bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx); | |
| 1515 fr = fr.sender(&map); | |
| 1516 } else { | |
| 1517 CodeBlob* cb = fr.cb(); | |
| 1518 // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL | |
| 1519 // but non nmethod | |
| 1520 fr = fr.sender(&map); | |
| 1521 if (cb == NULL || !cb->is_nmethod()) { | |
| 1522 continue; | |
| 1523 } | |
| 1524 nm = (nmethod*)cb; | |
| 1525 if (nm->method()->is_native()) { | |
| 1526 method = nm->method(); | |
| 1527 bci = 0; | |
| 1528 } else { | |
| 1529 PcDesc* pd = nm->pc_desc_at(pc); | |
| 1530 decode_offset = pd->scope_decode_offset(); | |
| 1531 // if decode_offset is not equal to 0, it will execute the | |
| 1532 // "compiled java method case" at the beginning of the loop. | |
| 1533 continue; | |
| 1534 } | |
| 1535 } | |
| 1536 } | |
| 1537 #ifdef ASSERT | |
|
2476
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1538 assert(st_method() == method && st.bci() == bci, |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1539 "Wrong stack trace"); |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1540 st.next(); |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1541 // vframeStream::method isn't GC-safe so store off a copy |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1542 // of the Method* in case we GC. |
|
2476
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1543 if (!st.at_end()) { |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1544 st_method = st.method(); |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1545 } |
| 0 | 1546 #endif |
|
2476
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1547 |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1548 // the format of the stacktrace will be: |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1549 // - 1 or more fillInStackTrace frames for the exception class (skipped) |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1550 // - 0 or more <init> methods for the exception class (skipped) |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1551 // - rest of the stack |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1552 |
| 0 | 1553 if (!skip_fillInStackTrace_check) { |
|
2476
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1554 if ((method->name() == vmSymbols::fillInStackTrace_name() || |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1555 method->name() == vmSymbols::fillInStackTrace0_name()) && |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1556 throwable->is_a(method->method_holder())) { |
| 0 | 1557 continue; |
| 1558 } | |
|
2476
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1559 else { |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1560 skip_fillInStackTrace_check = true; // gone past them all |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1561 } |
| 0 | 1562 } |
| 1563 if (!skip_throwableInit_check) { | |
|
2476
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1564 assert(skip_fillInStackTrace_check, "logic error in backtrace filtering"); |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1565 |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1566 // skip <init> methods of the exception class and superclasses |
|
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1567 // This is simlar to classic VM. |
| 0 | 1568 if (method->name() == vmSymbols::object_initializer_name() && |
| 1569 throwable->is_a(method->method_holder())) { | |
| 1570 continue; | |
| 1571 } else { | |
|
2476
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1572 // there are none or we've seen them all - either way stop checking |
| 0 | 1573 skip_throwableInit_check = true; |
| 1574 } | |
| 1575 } | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
1576 if (method->is_hidden()) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
1577 if (skip_hidden) continue; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
1578 } |
| 0 | 1579 bt.push(method, bci, CHECK); |
| 1580 total_count++; | |
| 1581 } | |
| 1582 | |
| 1583 // Put completed stack trace into throwable object | |
| 1584 set_backtrace(throwable(), bt.backtrace()); | |
| 1585 } | |
| 1586 | |
|
3272
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1587 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) { |
| 0 | 1588 // No-op if stack trace is disabled |
| 1589 if (!StackTraceInThrowable) { | |
| 1590 return; | |
| 1591 } | |
| 1592 | |
| 1593 // Disable stack traces for some preallocated out of memory errors | |
| 1594 if (!Universe::should_fill_in_stack_trace(throwable)) { | |
| 1595 return; | |
| 1596 } | |
| 1597 | |
| 1598 PRESERVE_EXCEPTION_MARK; | |
| 1599 | |
| 1600 JavaThread* thread = JavaThread::active(); | |
|
3272
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
parents:
2477
diff
changeset
|
1601 fill_in_stack_trace(throwable, method, thread); |
| 0 | 1602 // ignore exceptions thrown during stack trace filling |
| 1603 CLEAR_PENDING_EXCEPTION; | |
| 1604 } | |
| 1605 | |
| 1606 void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) { | |
| 1607 // Allocate stack trace - backtrace is created but not filled in | |
| 1608 | |
| 1609 // No-op if stack trace is disabled | |
| 1610 if (!StackTraceInThrowable) return; | |
| 1611 | |
| 1612 objArrayOop h_oop = oopFactory::new_objectArray(trace_size, CHECK); | |
| 1613 objArrayHandle backtrace (THREAD, h_oop); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1614 typeArrayOop m_oop = oopFactory::new_metaDataArray(trace_chunk_size, CHECK); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1615 typeArrayHandle methods (THREAD, m_oop); |
| 0 | 1616 typeArrayOop b = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
| 1617 typeArrayHandle bcis(THREAD, b); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1618 objArrayOop mirror_oop = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1619 objArrayHandle mirrors (THREAD, mirror_oop); |
| 0 | 1620 |
| 1621 // backtrace has space for one chunk (next is NULL) | |
| 1622 backtrace->obj_at_put(trace_methods_offset, methods()); | |
| 1623 backtrace->obj_at_put(trace_bcis_offset, bcis()); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1624 backtrace->obj_at_put(trace_mirrors_offset, mirrors()); |
| 0 | 1625 set_backtrace(throwable(), backtrace()); |
| 1626 } | |
| 1627 | |
| 1628 | |
| 1629 void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) { | |
| 1630 // Fill in stack trace into preallocated backtrace (no GC) | |
| 1631 | |
| 1632 // No-op if stack trace is disabled | |
| 1633 if (!StackTraceInThrowable) return; | |
| 1634 | |
| 1142 | 1635 assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check"); |
| 0 | 1636 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1637 objArrayOop backtrace = (objArrayOop)java_lang_Throwable::backtrace(throwable()); |
| 0 | 1638 assert(backtrace != NULL, "backtrace not preallocated"); |
| 1639 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1640 oop m = backtrace->obj_at(trace_methods_offset); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1641 typeArrayOop methods = typeArrayOop(m); |
| 0 | 1642 assert(methods != NULL && methods->length() > 0, "method array not preallocated"); |
| 1643 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1644 oop b = backtrace->obj_at(trace_bcis_offset); |
| 0 | 1645 typeArrayOop bcis = typeArrayOop(b); |
| 1646 assert(bcis != NULL, "bci array not preallocated"); | |
| 1647 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1648 oop mr = backtrace->obj_at(trace_mirrors_offset); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1649 objArrayOop mirrors = objArrayOop(mr); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1650 assert(mirrors != NULL, "bci array not preallocated"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1651 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1652 assert(methods->length() == bcis->length() && |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1653 methods->length() == mirrors->length(), |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1654 "method and bci arrays should match"); |
| 0 | 1655 |
| 1656 JavaThread* thread = JavaThread::current(); | |
| 1657 ResourceMark rm(thread); | |
| 1658 vframeStream st(thread); | |
| 1659 | |
| 1660 // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init | |
| 1661 // methods as preallocated errors aren't created by "java" code. | |
| 1662 | |
| 1663 // fill in as much stack trace as possible | |
| 1664 int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth); | |
| 1665 int chunk_count = 0; | |
| 1666 | |
| 1667 for (;!st.at_end(); st.next()) { | |
|
4817
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1668 // Add entry and smear the -1 bci to 0 since the array only holds |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1669 // unsigned shorts. The later line number lookup would just smear |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1670 // the -1 to a 0 even if it could be recorded. |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1671 int bci = st.bci(); |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1672 if (bci == SynchronizationEntryBCI) bci = 0; |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1673 assert(bci == (jushort)bci, "doesn't fit"); |
|
a81f60ddab06
7130676: Tiered: assert(bci == 0 || 0<= bci && bci<code_size()) during stack trace construction
never
parents:
4009
diff
changeset
|
1674 bcis->ushort_at_put(chunk_count, bci); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1675 methods->metadata_at_put(chunk_count, st.method()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1676 mirrors->obj_at_put(chunk_count, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1677 st.method()->method_holder()->java_mirror()); |
| 0 | 1678 |
| 1679 chunk_count++; | |
| 1680 | |
| 1681 // Bail-out for deep stacks | |
| 1682 if (chunk_count >= max_chunks) break; | |
| 1683 } | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1684 |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1685 // For Java 7+ we support the Throwable immutability protocol defined for Java 7. This support |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1686 // was missing in 7u0 so in 7u0 there is a workaround in the Throwable class. That workaround |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1687 // can be removed in a JDK using this JVM version |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1688 if (JDK_Version::is_gte_jdk17x_version()) { |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1689 java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace()); |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1690 assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized"); |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1691 } |
|
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
1692 |
| 0 | 1693 } |
| 1694 | |
| 1695 | |
| 1696 int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) { | |
| 1697 if (throwable == NULL) { | |
| 1698 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
| 1699 } | |
| 1700 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
| 1701 int depth = 0; | |
| 1702 if (chunk != NULL) { | |
| 1703 // Iterate over chunks and count full ones | |
| 1704 while (true) { | |
| 1705 objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset)); | |
| 1706 if (next == NULL) break; | |
| 1707 depth += trace_chunk_size; | |
| 1708 chunk = next; | |
| 1709 } | |
| 1710 assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check"); | |
| 1711 // Count element in remaining partial chunk | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1712 typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset)); |
| 0 | 1713 typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
| 1714 assert(methods != NULL && bcis != NULL, "sanity check"); | |
| 1715 for (int i = 0; i < methods->length(); i++) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1716 if (methods->metadata_at(i) == NULL) break; |
| 0 | 1717 depth++; |
| 1718 } | |
| 1719 } | |
| 1720 return depth; | |
| 1721 } | |
| 1722 | |
| 1723 | |
| 1724 oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) { | |
| 1725 if (throwable == NULL) { | |
| 1726 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
| 1727 } | |
| 1728 if (index < 0) { | |
| 1729 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
| 1730 } | |
| 1731 // Compute how many chunks to skip and index into actual chunk | |
| 1732 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
| 1733 int skip_chunks = index / trace_chunk_size; | |
| 1734 int chunk_index = index % trace_chunk_size; | |
| 1735 while (chunk != NULL && skip_chunks > 0) { | |
| 1736 chunk = objArrayOop(chunk->obj_at(trace_next_offset)); | |
| 1737 skip_chunks--; | |
| 1738 } | |
| 1739 if (chunk == NULL) { | |
| 1740 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
| 1741 } | |
| 1742 // Get method,bci from chunk | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1743 typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset)); |
| 0 | 1744 typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
| 1745 assert(methods != NULL && bcis != NULL, "sanity check"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1746 methodHandle method(THREAD, ((Method*)methods->metadata_at(chunk_index))); |
| 0 | 1747 int bci = bcis->ushort_at(chunk_index); |
| 1748 // Chunk can be partial full | |
| 1749 if (method.is_null()) { | |
| 1750 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
| 1751 } | |
| 1752 | |
| 1753 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_0); | |
| 1754 return element; | |
| 1755 } | |
| 1756 | |
| 1757 oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) { | |
| 1758 // SystemDictionary::stackTraceElement_klass() will be null for pre-1.4 JDKs | |
| 1759 assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); | |
| 1760 | |
| 1761 // Allocate java.lang.StackTraceElement instance | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1762 Klass* k = SystemDictionary::StackTraceElement_klass(); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1763 assert(k != NULL, "must be loaded in 1.4+"); |
| 0 | 1764 instanceKlassHandle ik (THREAD, k); |
| 1765 if (ik->should_be_initialized()) { | |
| 1766 ik->initialize(CHECK_0); | |
| 1767 } | |
| 1768 | |
| 1769 Handle element = ik->allocate_instance_handle(CHECK_0); | |
| 1770 // Fill in class name | |
| 1771 ResourceMark rm(THREAD); | |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6867
diff
changeset
|
1772 const char* str = method->method_holder()->external_name(); |
| 0 | 1773 oop classname = StringTable::intern((char*) str, CHECK_0); |
| 1774 java_lang_StackTraceElement::set_declaringClass(element(), classname); | |
| 1775 // Fill in method name | |
| 1776 oop methodname = StringTable::intern(method->name(), CHECK_0); | |
| 1777 java_lang_StackTraceElement::set_methodName(element(), methodname); | |
| 1778 // Fill in source file name | |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6867
diff
changeset
|
1779 Symbol* source = method->method_holder()->source_file_name(); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
1780 if (ShowHiddenFrames && source == NULL) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
1781 source = vmSymbols::unknown_class_name(); |
| 0 | 1782 oop filename = StringTable::intern(source, CHECK_0); |
| 1783 java_lang_StackTraceElement::set_fileName(element(), filename); | |
| 1784 // File in source line number | |
| 1785 int line_number; | |
| 1786 if (method->is_native()) { | |
| 1787 // Negative value different from -1 below, enabling Java code in | |
| 1788 // class java.lang.StackTraceElement to distinguish "native" from | |
| 1789 // "no LineNumberTable". | |
| 1790 line_number = -2; | |
| 1791 } else { | |
| 1792 // Returns -1 if no LineNumberTable, and otherwise actual line number | |
| 1793 line_number = method->line_number_from_bci(bci); | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
1794 if (line_number == -1 && ShowHiddenFrames) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
1795 line_number = bci + 1000000; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
1796 } |
| 0 | 1797 } |
| 1798 java_lang_StackTraceElement::set_lineNumber(element(), line_number); | |
| 1799 | |
| 1800 return element(); | |
| 1801 } | |
| 1802 | |
| 1803 | |
| 1804 void java_lang_reflect_AccessibleObject::compute_offsets() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1805 Klass* k = SystemDictionary::reflect_AccessibleObject_klass(); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1806 compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature()); |
| 0 | 1807 } |
| 1808 | |
| 1809 jboolean java_lang_reflect_AccessibleObject::override(oop reflect) { | |
| 1810 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1811 return (jboolean) reflect->bool_field(override_offset); | |
| 1812 } | |
| 1813 | |
| 1814 void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) { | |
| 1815 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1816 reflect->bool_field_put(override_offset, (int) value); | |
| 1817 } | |
| 1818 | |
| 1819 void java_lang_reflect_Method::compute_offsets() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1820 Klass* k = SystemDictionary::reflect_Method_klass(); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1821 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1822 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1823 compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1824 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1825 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1826 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1827 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
| 0 | 1828 // The generic signature and annotations fields are only present in 1.5 |
| 1829 signature_offset = -1; | |
| 1830 annotations_offset = -1; | |
| 1831 parameter_annotations_offset = -1; | |
| 1832 annotation_default_offset = -1; | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1833 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1834 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1835 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1836 compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature()); |
| 0 | 1837 } |
| 1838 | |
| 1839 Handle java_lang_reflect_Method::create(TRAPS) { | |
| 1840 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1841 Klass* klass = SystemDictionary::reflect_Method_klass(); |
| 0 | 1842 // This class is eagerly initialized during VM initialization, since we keep a refence |
| 1843 // to one of the methods | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1844 assert(InstanceKlass::cast(klass)->is_initialized(), "must be initialized"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1845 return InstanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH); |
| 0 | 1846 } |
| 1847 | |
| 1848 oop java_lang_reflect_Method::clazz(oop reflect) { | |
| 1849 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1850 return reflect->obj_field(clazz_offset); | |
| 1851 } | |
| 1852 | |
| 1853 void java_lang_reflect_Method::set_clazz(oop reflect, oop value) { | |
| 1854 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1855 reflect->obj_field_put(clazz_offset, value); | |
| 1856 } | |
| 1857 | |
| 1858 int java_lang_reflect_Method::slot(oop reflect) { | |
| 1859 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1860 return reflect->int_field(slot_offset); | |
| 1861 } | |
| 1862 | |
| 1863 void java_lang_reflect_Method::set_slot(oop reflect, int value) { | |
| 1864 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1865 reflect->int_field_put(slot_offset, value); | |
| 1866 } | |
| 1867 | |
| 1868 oop java_lang_reflect_Method::name(oop method) { | |
| 1869 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1870 return method->obj_field(name_offset); | |
| 1871 } | |
| 1872 | |
| 1873 void java_lang_reflect_Method::set_name(oop method, oop value) { | |
| 1874 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1875 method->obj_field_put(name_offset, value); | |
| 1876 } | |
| 1877 | |
| 1878 oop java_lang_reflect_Method::return_type(oop method) { | |
| 1879 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1880 return method->obj_field(returnType_offset); | |
| 1881 } | |
| 1882 | |
| 1883 void java_lang_reflect_Method::set_return_type(oop method, oop value) { | |
| 1884 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1885 method->obj_field_put(returnType_offset, value); | |
| 1886 } | |
| 1887 | |
| 1888 oop java_lang_reflect_Method::parameter_types(oop method) { | |
| 1889 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1890 return method->obj_field(parameterTypes_offset); | |
| 1891 } | |
| 1892 | |
| 1893 void java_lang_reflect_Method::set_parameter_types(oop method, oop value) { | |
| 1894 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1895 method->obj_field_put(parameterTypes_offset, value); | |
| 1896 } | |
| 1897 | |
| 1898 oop java_lang_reflect_Method::exception_types(oop method) { | |
| 1899 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1900 return method->obj_field(exceptionTypes_offset); | |
| 1901 } | |
| 1902 | |
| 1903 void java_lang_reflect_Method::set_exception_types(oop method, oop value) { | |
| 1904 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1905 method->obj_field_put(exceptionTypes_offset, value); | |
| 1906 } | |
| 1907 | |
| 1908 int java_lang_reflect_Method::modifiers(oop method) { | |
| 1909 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1910 return method->int_field(modifiers_offset); | |
| 1911 } | |
| 1912 | |
| 1913 void java_lang_reflect_Method::set_modifiers(oop method, int value) { | |
| 1914 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1915 method->int_field_put(modifiers_offset, value); | |
| 1916 } | |
| 1917 | |
| 1918 bool java_lang_reflect_Method::has_signature_field() { | |
| 1919 return (signature_offset >= 0); | |
| 1920 } | |
| 1921 | |
| 1922 oop java_lang_reflect_Method::signature(oop method) { | |
| 1923 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1924 assert(has_signature_field(), "signature field must be present"); | |
| 1925 return method->obj_field(signature_offset); | |
| 1926 } | |
| 1927 | |
| 1928 void java_lang_reflect_Method::set_signature(oop method, oop value) { | |
| 1929 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1930 assert(has_signature_field(), "signature field must be present"); | |
| 1931 method->obj_field_put(signature_offset, value); | |
| 1932 } | |
| 1933 | |
| 1934 bool java_lang_reflect_Method::has_annotations_field() { | |
| 1935 return (annotations_offset >= 0); | |
| 1936 } | |
| 1937 | |
| 1938 oop java_lang_reflect_Method::annotations(oop method) { | |
| 1939 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1940 assert(has_annotations_field(), "annotations field must be present"); | |
| 1941 return method->obj_field(annotations_offset); | |
| 1942 } | |
| 1943 | |
| 1944 void java_lang_reflect_Method::set_annotations(oop method, oop value) { | |
| 1945 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1946 assert(has_annotations_field(), "annotations field must be present"); | |
| 1947 method->obj_field_put(annotations_offset, value); | |
| 1948 } | |
| 1949 | |
| 1950 bool java_lang_reflect_Method::has_parameter_annotations_field() { | |
| 1951 return (parameter_annotations_offset >= 0); | |
| 1952 } | |
| 1953 | |
| 1954 oop java_lang_reflect_Method::parameter_annotations(oop method) { | |
| 1955 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1956 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 1957 return method->obj_field(parameter_annotations_offset); | |
| 1958 } | |
| 1959 | |
| 1960 void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) { | |
| 1961 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1962 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 1963 method->obj_field_put(parameter_annotations_offset, value); | |
| 1964 } | |
| 1965 | |
| 1966 bool java_lang_reflect_Method::has_annotation_default_field() { | |
| 1967 return (annotation_default_offset >= 0); | |
| 1968 } | |
| 1969 | |
| 1970 oop java_lang_reflect_Method::annotation_default(oop method) { | |
| 1971 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1972 assert(has_annotation_default_field(), "annotation default field must be present"); | |
| 1973 return method->obj_field(annotation_default_offset); | |
| 1974 } | |
| 1975 | |
| 1976 void java_lang_reflect_Method::set_annotation_default(oop method, oop value) { | |
| 1977 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 1978 assert(has_annotation_default_field(), "annotation default field must be present"); | |
| 1979 method->obj_field_put(annotation_default_offset, value); | |
| 1980 } | |
| 1981 | |
| 1982 void java_lang_reflect_Constructor::compute_offsets() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
1983 Klass* k = SystemDictionary::reflect_Constructor_klass(); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1984 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1985 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1986 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1987 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1988 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
| 0 | 1989 // The generic signature and annotations fields are only present in 1.5 |
| 1990 signature_offset = -1; | |
| 1991 annotations_offset = -1; | |
| 1992 parameter_annotations_offset = -1; | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1993 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1994 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
1995 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
| 0 | 1996 } |
| 1997 | |
| 1998 Handle java_lang_reflect_Constructor::create(TRAPS) { | |
| 1999 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2000 Symbol* name = vmSymbols::java_lang_reflect_Constructor(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2001 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
| 0 | 2002 instanceKlassHandle klass (THREAD, k); |
| 2003 // Ensure it is initialized | |
| 2004 klass->initialize(CHECK_NH); | |
| 2005 return klass->allocate_instance_handle(CHECK_NH); | |
| 2006 } | |
| 2007 | |
| 2008 oop java_lang_reflect_Constructor::clazz(oop reflect) { | |
| 2009 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2010 return reflect->obj_field(clazz_offset); | |
| 2011 } | |
| 2012 | |
| 2013 void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) { | |
| 2014 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2015 reflect->obj_field_put(clazz_offset, value); | |
| 2016 } | |
| 2017 | |
| 2018 oop java_lang_reflect_Constructor::parameter_types(oop constructor) { | |
| 2019 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2020 return constructor->obj_field(parameterTypes_offset); | |
| 2021 } | |
| 2022 | |
| 2023 void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) { | |
| 2024 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2025 constructor->obj_field_put(parameterTypes_offset, value); | |
| 2026 } | |
| 2027 | |
| 2028 oop java_lang_reflect_Constructor::exception_types(oop constructor) { | |
| 2029 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2030 return constructor->obj_field(exceptionTypes_offset); | |
| 2031 } | |
| 2032 | |
| 2033 void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) { | |
| 2034 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2035 constructor->obj_field_put(exceptionTypes_offset, value); | |
| 2036 } | |
| 2037 | |
| 2038 int java_lang_reflect_Constructor::slot(oop reflect) { | |
| 2039 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2040 return reflect->int_field(slot_offset); | |
| 2041 } | |
| 2042 | |
| 2043 void java_lang_reflect_Constructor::set_slot(oop reflect, int value) { | |
| 2044 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2045 reflect->int_field_put(slot_offset, value); | |
| 2046 } | |
| 2047 | |
| 2048 int java_lang_reflect_Constructor::modifiers(oop constructor) { | |
| 2049 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2050 return constructor->int_field(modifiers_offset); | |
| 2051 } | |
| 2052 | |
| 2053 void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) { | |
| 2054 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2055 constructor->int_field_put(modifiers_offset, value); | |
| 2056 } | |
| 2057 | |
| 2058 bool java_lang_reflect_Constructor::has_signature_field() { | |
| 2059 return (signature_offset >= 0); | |
| 2060 } | |
| 2061 | |
| 2062 oop java_lang_reflect_Constructor::signature(oop constructor) { | |
| 2063 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2064 assert(has_signature_field(), "signature field must be present"); | |
| 2065 return constructor->obj_field(signature_offset); | |
| 2066 } | |
| 2067 | |
| 2068 void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) { | |
| 2069 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2070 assert(has_signature_field(), "signature field must be present"); | |
| 2071 constructor->obj_field_put(signature_offset, value); | |
| 2072 } | |
| 2073 | |
| 2074 bool java_lang_reflect_Constructor::has_annotations_field() { | |
| 2075 return (annotations_offset >= 0); | |
| 2076 } | |
| 2077 | |
| 2078 oop java_lang_reflect_Constructor::annotations(oop constructor) { | |
| 2079 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2080 assert(has_annotations_field(), "annotations field must be present"); | |
| 2081 return constructor->obj_field(annotations_offset); | |
| 2082 } | |
| 2083 | |
| 2084 void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) { | |
| 2085 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2086 assert(has_annotations_field(), "annotations field must be present"); | |
| 2087 constructor->obj_field_put(annotations_offset, value); | |
| 2088 } | |
| 2089 | |
| 2090 bool java_lang_reflect_Constructor::has_parameter_annotations_field() { | |
| 2091 return (parameter_annotations_offset >= 0); | |
| 2092 } | |
| 2093 | |
| 2094 oop java_lang_reflect_Constructor::parameter_annotations(oop method) { | |
| 2095 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2096 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 2097 return method->obj_field(parameter_annotations_offset); | |
| 2098 } | |
| 2099 | |
| 2100 void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) { | |
| 2101 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2102 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
| 2103 method->obj_field_put(parameter_annotations_offset, value); | |
| 2104 } | |
| 2105 | |
| 2106 void java_lang_reflect_Field::compute_offsets() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2107 Klass* k = SystemDictionary::reflect_Field_klass(); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2108 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2109 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2110 compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2111 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2112 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
| 0 | 2113 // The generic signature and annotations fields are only present in 1.5 |
| 2114 signature_offset = -1; | |
| 2115 annotations_offset = -1; | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2116 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2117 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
| 0 | 2118 } |
| 2119 | |
| 2120 Handle java_lang_reflect_Field::create(TRAPS) { | |
| 2121 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2122 Symbol* name = vmSymbols::java_lang_reflect_Field(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2123 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
| 0 | 2124 instanceKlassHandle klass (THREAD, k); |
| 2125 // Ensure it is initialized | |
| 2126 klass->initialize(CHECK_NH); | |
| 2127 return klass->allocate_instance_handle(CHECK_NH); | |
| 2128 } | |
| 2129 | |
| 2130 oop java_lang_reflect_Field::clazz(oop reflect) { | |
| 2131 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2132 return reflect->obj_field(clazz_offset); | |
| 2133 } | |
| 2134 | |
| 2135 void java_lang_reflect_Field::set_clazz(oop reflect, oop value) { | |
| 2136 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2137 reflect->obj_field_put(clazz_offset, value); | |
| 2138 } | |
| 2139 | |
| 2140 oop java_lang_reflect_Field::name(oop field) { | |
| 2141 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2142 return field->obj_field(name_offset); | |
| 2143 } | |
| 2144 | |
| 2145 void java_lang_reflect_Field::set_name(oop field, oop value) { | |
| 2146 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2147 field->obj_field_put(name_offset, value); | |
| 2148 } | |
| 2149 | |
| 2150 oop java_lang_reflect_Field::type(oop field) { | |
| 2151 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2152 return field->obj_field(type_offset); | |
| 2153 } | |
| 2154 | |
| 2155 void java_lang_reflect_Field::set_type(oop field, oop value) { | |
| 2156 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2157 field->obj_field_put(type_offset, value); | |
| 2158 } | |
| 2159 | |
| 2160 int java_lang_reflect_Field::slot(oop reflect) { | |
| 2161 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2162 return reflect->int_field(slot_offset); | |
| 2163 } | |
| 2164 | |
| 2165 void java_lang_reflect_Field::set_slot(oop reflect, int value) { | |
| 2166 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2167 reflect->int_field_put(slot_offset, value); | |
| 2168 } | |
| 2169 | |
| 2170 int java_lang_reflect_Field::modifiers(oop field) { | |
| 2171 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2172 return field->int_field(modifiers_offset); | |
| 2173 } | |
| 2174 | |
| 2175 void java_lang_reflect_Field::set_modifiers(oop field, int value) { | |
| 2176 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2177 field->int_field_put(modifiers_offset, value); | |
| 2178 } | |
| 2179 | |
| 2180 bool java_lang_reflect_Field::has_signature_field() { | |
| 2181 return (signature_offset >= 0); | |
| 2182 } | |
| 2183 | |
| 2184 oop java_lang_reflect_Field::signature(oop field) { | |
| 2185 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2186 assert(has_signature_field(), "signature field must be present"); | |
| 2187 return field->obj_field(signature_offset); | |
| 2188 } | |
| 2189 | |
| 2190 void java_lang_reflect_Field::set_signature(oop field, oop value) { | |
| 2191 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2192 assert(has_signature_field(), "signature field must be present"); | |
| 2193 field->obj_field_put(signature_offset, value); | |
| 2194 } | |
| 2195 | |
| 2196 bool java_lang_reflect_Field::has_annotations_field() { | |
| 2197 return (annotations_offset >= 0); | |
| 2198 } | |
| 2199 | |
| 2200 oop java_lang_reflect_Field::annotations(oop field) { | |
| 2201 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2202 assert(has_annotations_field(), "annotations field must be present"); | |
| 2203 return field->obj_field(annotations_offset); | |
| 2204 } | |
| 2205 | |
| 2206 void java_lang_reflect_Field::set_annotations(oop field, oop value) { | |
| 2207 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
| 2208 assert(has_annotations_field(), "annotations field must be present"); | |
| 2209 field->obj_field_put(annotations_offset, value); | |
| 2210 } | |
| 2211 | |
| 2212 | |
| 2213 void sun_reflect_ConstantPool::compute_offsets() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2214 Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
| 0 | 2215 // This null test can be removed post beta |
| 2216 if (k != NULL) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2217 // The field is called ConstantPool* in the sun.reflect.ConstantPool class. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2218 compute_offset(_oop_offset, k, vmSymbols::ConstantPool_name(), vmSymbols::object_signature()); |
| 0 | 2219 } |
| 2220 } | |
| 2221 | |
| 2222 | |
| 2223 Handle sun_reflect_ConstantPool::create(TRAPS) { | |
| 2224 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2225 Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
| 0 | 2226 instanceKlassHandle klass (THREAD, k); |
| 2227 // Ensure it is initialized | |
| 2228 klass->initialize(CHECK_NH); | |
| 2229 return klass->allocate_instance_handle(CHECK_NH); | |
| 2230 } | |
| 2231 | |
| 2232 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2233 void sun_reflect_ConstantPool::set_cp(oop reflect, ConstantPool* value) { |
| 0 | 2234 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2235 oop mirror = value->pool_holder()->java_mirror(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2236 // Save the mirror to get back the constant pool. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2237 reflect->obj_field_put(_oop_offset, mirror); |
| 0 | 2238 } |
| 2239 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2240 ConstantPool* sun_reflect_ConstantPool::get_cp(oop reflect) { |
| 0 | 2241 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2242 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2243 oop mirror = reflect->obj_field(_oop_offset); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2244 Klass* k = java_lang_Class::as_Klass(mirror); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2245 assert(k->oop_is_instance(), "Must be"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2246 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2247 // Get the constant pool back from the klass. Since class redefinition |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2248 // merges the new constant pool into the old, this is essentially the |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2249 // same constant pool as the original. If constant pool merging is |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2250 // no longer done in the future, this will have to change to save |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2251 // the original. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2252 return InstanceKlass::cast(k)->constants(); |
| 0 | 2253 } |
| 2254 | |
| 2255 void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2256 Klass* k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(); |
| 0 | 2257 // This null test can be removed post beta |
| 2258 if (k != NULL) { | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2259 compute_offset(_base_offset, k, |
| 0 | 2260 vmSymbols::base_name(), vmSymbols::object_signature()); |
| 2261 } | |
| 2262 } | |
| 2263 | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2264 oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2265 Klass* k = SystemDictionary::box_klass(type); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2266 if (k == NULL) return NULL; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2267 instanceKlassHandle h (THREAD, k); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2268 if (!h->is_initialized()) h->initialize(CHECK_0); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2269 return h->allocate_instance(THREAD); |
| 0 | 2270 } |
| 2271 | |
| 2272 | |
| 2273 oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) { | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2274 oop box = initialize_and_allocate(type, CHECK_0); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2275 if (box == NULL) return NULL; |
| 0 | 2276 switch (type) { |
| 2277 case T_BOOLEAN: | |
| 2278 box->bool_field_put(value_offset, value->z); | |
| 2279 break; | |
| 2280 case T_CHAR: | |
| 2281 box->char_field_put(value_offset, value->c); | |
| 2282 break; | |
| 2283 case T_FLOAT: | |
| 2284 box->float_field_put(value_offset, value->f); | |
| 2285 break; | |
| 2286 case T_DOUBLE: | |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2287 box->double_field_put(long_value_offset, value->d); |
| 0 | 2288 break; |
| 2289 case T_BYTE: | |
| 2290 box->byte_field_put(value_offset, value->b); | |
| 2291 break; | |
| 2292 case T_SHORT: | |
| 2293 box->short_field_put(value_offset, value->s); | |
| 2294 break; | |
| 2295 case T_INT: | |
| 2296 box->int_field_put(value_offset, value->i); | |
| 2297 break; | |
| 2298 case T_LONG: | |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2299 box->long_field_put(long_value_offset, value->j); |
| 0 | 2300 break; |
| 2301 default: | |
| 2302 return NULL; | |
| 2303 } | |
| 2304 return box; | |
| 2305 } | |
| 2306 | |
| 2307 | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2308 BasicType java_lang_boxing_object::basic_type(oop box) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2309 if (box == NULL) return T_ILLEGAL; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2310 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2311 if (type == T_OBJECT) // 'unknown' value returned by SD::bkt |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2312 return T_ILLEGAL; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2313 return type; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2314 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2315 |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2316 |
| 0 | 2317 BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) { |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2318 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2319 switch (type) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2320 case T_BOOLEAN: |
| 0 | 2321 value->z = box->bool_field(value_offset); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2322 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2323 case T_CHAR: |
| 0 | 2324 value->c = box->char_field(value_offset); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2325 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2326 case T_FLOAT: |
| 0 | 2327 value->f = box->float_field(value_offset); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2328 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2329 case T_DOUBLE: |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2330 value->d = box->double_field(long_value_offset); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2331 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2332 case T_BYTE: |
| 0 | 2333 value->b = box->byte_field(value_offset); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2334 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2335 case T_SHORT: |
| 0 | 2336 value->s = box->short_field(value_offset); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2337 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2338 case T_INT: |
| 0 | 2339 value->i = box->int_field(value_offset); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2340 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2341 case T_LONG: |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2342 value->j = box->long_field(long_value_offset); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2343 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2344 default: |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2345 return T_ILLEGAL; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2346 } // end switch |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2347 return type; |
| 0 | 2348 } |
| 2349 | |
| 2350 | |
| 2351 BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) { | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2352 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2353 switch (type) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2354 case T_BOOLEAN: |
| 0 | 2355 box->bool_field_put(value_offset, value->z); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2356 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2357 case T_CHAR: |
| 0 | 2358 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
|
2359 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2360 case T_FLOAT: |
| 0 | 2361 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
|
2362 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2363 case T_DOUBLE: |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2364 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
|
2365 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2366 case T_BYTE: |
| 0 | 2367 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
|
2368 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2369 case T_SHORT: |
| 0 | 2370 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
|
2371 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2372 case T_INT: |
| 0 | 2373 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
|
2374 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2375 case T_LONG: |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2376 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
|
2377 break; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2378 default: |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2379 return T_ILLEGAL; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2380 } // end switch |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2381 return type; |
| 0 | 2382 } |
| 2383 | |
| 2384 | |
|
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2385 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
|
2386 switch (type) { |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2387 case T_BOOLEAN: st->print("%s", value->z ? "true" : "false"); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2388 case T_CHAR: st->print("%d", value->c); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2389 case T_BYTE: st->print("%d", value->b); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2390 case T_SHORT: st->print("%d", value->s); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2391 case T_INT: st->print("%d", value->i); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2392 case T_LONG: st->print(INT64_FORMAT, value->j); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2393 case T_FLOAT: st->print("%f", value->f); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2394 case T_DOUBLE: st->print("%lf", value->d); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2395 default: st->print("type %d?", type); break; |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2396 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2397 } |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2398 |
|
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2399 |
| 0 | 2400 // Support for java_lang_ref_Reference |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2401 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
|
2402 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2403 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
|
2404 return (HeapWord*) addr; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2405 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2406 |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2407 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
|
2408 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
|
2409 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
|
2410 if (UseCompressedOops) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2411 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
|
2412 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2413 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
|
2414 } |
| 0 | 2415 } |
| 2416 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2417 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
|
2418 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
|
2419 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
|
2420 // 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
|
2421 return (HeapWord*)addr; |
| 0 | 2422 } |
| 2423 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2424 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
|
2425 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
|
2426 if (UseCompressedOops) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2427 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
|
2428 } else { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2429 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
|
2430 } |
| 0 | 2431 } |
| 2432 | |
| 2433 | |
| 2434 // Support for java_lang_ref_SoftReference | |
| 2435 | |
| 2436 jlong java_lang_ref_SoftReference::timestamp(oop ref) { | |
| 2437 return ref->long_field(timestamp_offset); | |
| 2438 } | |
| 2439 | |
| 2440 jlong java_lang_ref_SoftReference::clock() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2441 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
|
2442 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
|
2443 return *offset; |
| 0 | 2444 } |
| 2445 | |
| 2446 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
|
2447 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
|
2448 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
|
2449 *offset = value; |
| 0 | 2450 } |
| 2451 | |
| 2452 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2453 // Support for java_lang_invoke_MethodHandle |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2454 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2455 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
|
2456 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
|
2457 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2458 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
|
2459 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
|
2460 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
|
2461 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
|
2462 int java_lang_invoke_MemberName::_vmtarget_offset; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2463 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
|
2464 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
|
2465 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2466 int java_lang_invoke_LambdaForm::_vmentry_offset; |
|
3905
c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
3900
diff
changeset
|
2467 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2468 void java_lang_invoke_MethodHandle::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2469 Klass* klass_oop = SystemDictionary::MethodHandle_klass(); |
| 3938 | 2470 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
|
2471 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
|
2472 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
|
2473 if (_form_offset == 0) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2474 EnableInvokeDynamic = false; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2475 } |
| 710 | 2476 } |
| 2477 } | |
| 2478 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2479 void java_lang_invoke_MemberName::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2480 Klass* klass_oop = SystemDictionary::MemberName_klass(); |
| 3938 | 2481 if (klass_oop != NULL && EnableInvokeDynamic) { |
| 2482 compute_offset(_clazz_offset, klass_oop, vmSymbols::clazz_name(), vmSymbols::class_signature()); | |
| 2483 compute_offset(_name_offset, klass_oop, vmSymbols::name_name(), vmSymbols::string_signature()); | |
| 2484 compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::object_signature()); | |
| 2485 compute_offset(_flags_offset, klass_oop, vmSymbols::flags_name(), vmSymbols::int_signature()); | |
| 2486 MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
| 710 | 2487 } |
| 2488 } | |
| 2489 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2490 void java_lang_invoke_LambdaForm::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2491 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
|
2492 if (klass_oop != NULL && EnableInvokeDynamic) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2493 compute_offset(_vmentry_offset, klass_oop, vmSymbols::vmentry_name(), vmSymbols::java_lang_invoke_MemberName_signature()); |
| 710 | 2494 } |
| 2495 } | |
| 2496 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2497 oop java_lang_invoke_MethodHandle::type(oop mh) { |
| 710 | 2498 return mh->obj_field(_type_offset); |
| 2499 } | |
| 2500 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2501 void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) { |
| 710 | 2502 mh->obj_field_put(_type_offset, mtype); |
| 2503 } | |
| 2504 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2505 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
|
2506 assert(_form_offset != 0, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2507 return mh->obj_field(_form_offset); |
| 710 | 2508 } |
| 2509 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2510 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
|
2511 assert(_form_offset != 0, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2512 mh->obj_field_put(_form_offset, lform); |
| 710 | 2513 } |
| 2514 | |
| 2515 /// MemberName accessors | |
| 2516 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2517 oop java_lang_invoke_MemberName::clazz(oop mname) { |
| 710 | 2518 assert(is_instance(mname), "wrong type"); |
| 2519 return mname->obj_field(_clazz_offset); | |
| 2520 } | |
| 2521 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2522 void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) { |
| 710 | 2523 assert(is_instance(mname), "wrong type"); |
| 2524 mname->obj_field_put(_clazz_offset, clazz); | |
| 2525 } | |
| 2526 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2527 oop java_lang_invoke_MemberName::name(oop mname) { |
| 710 | 2528 assert(is_instance(mname), "wrong type"); |
| 2529 return mname->obj_field(_name_offset); | |
| 2530 } | |
| 2531 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2532 void java_lang_invoke_MemberName::set_name(oop mname, oop name) { |
| 710 | 2533 assert(is_instance(mname), "wrong type"); |
| 2534 mname->obj_field_put(_name_offset, name); | |
| 2535 } | |
| 2536 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2537 oop java_lang_invoke_MemberName::type(oop mname) { |
| 710 | 2538 assert(is_instance(mname), "wrong type"); |
| 2539 return mname->obj_field(_type_offset); | |
| 2540 } | |
| 2541 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2542 void java_lang_invoke_MemberName::set_type(oop mname, oop type) { |
| 710 | 2543 assert(is_instance(mname), "wrong type"); |
| 2544 mname->obj_field_put(_type_offset, type); | |
| 2545 } | |
| 2546 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2547 int java_lang_invoke_MemberName::flags(oop mname) { |
| 710 | 2548 assert(is_instance(mname), "wrong type"); |
| 2549 return mname->int_field(_flags_offset); | |
| 2550 } | |
| 2551 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2552 void java_lang_invoke_MemberName::set_flags(oop mname, int flags) { |
| 710 | 2553 assert(is_instance(mname), "wrong type"); |
| 2554 mname->int_field_put(_flags_offset, flags); | |
| 2555 } | |
| 2556 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2557 Metadata* java_lang_invoke_MemberName::vmtarget(oop mname) { |
| 710 | 2558 assert(is_instance(mname), "wrong type"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2559 return (Metadata*)mname->address_field(_vmtarget_offset); |
| 710 | 2560 } |
| 2561 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2562 void java_lang_invoke_MemberName::set_vmtarget(oop mname, Metadata* ref) { |
| 710 | 2563 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
|
2564 #ifdef ASSERT |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2565 // check the type of the vmtarget |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2566 if (ref != NULL) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2567 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
|
2568 MN_IS_CONSTRUCTOR | |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2569 MN_IS_FIELD)) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2570 case MN_IS_METHOD: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2571 case MN_IS_CONSTRUCTOR: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2572 assert(ref->is_method(), "should be a method"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2573 break; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2574 case MN_IS_FIELD: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2575 assert(ref->is_klass(), "should be a class"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2576 break; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2577 default: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2578 ShouldNotReachHere(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2579 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2580 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2581 #endif //ASSERT |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2582 mname->address_field_put(_vmtarget_offset, (address)ref); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2583 oop loader = NULL; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2584 if (ref != NULL) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2585 if (ref->is_klass()) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2586 loader = ((Klass*)ref)->class_loader(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2587 } else if (ref->is_method()) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2588 loader = ((Method*)ref)->method_holder()->class_loader(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2589 } else { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2590 ShouldNotReachHere(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2591 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2592 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2593 // Add a reference to the loader to ensure the metadata is kept alive |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2594 mname->obj_field_put(_vmloader_offset, loader); |
| 710 | 2595 } |
| 2596 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2597 intptr_t java_lang_invoke_MemberName::vmindex(oop mname) { |
| 710 | 2598 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
|
2599 return (intptr_t) mname->address_field(_vmindex_offset); |
| 710 | 2600 } |
| 2601 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2602 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
|
2603 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
|
2604 mname->address_field_put(_vmindex_offset, (address) index); |
| 710 | 2605 } |
| 2606 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2607 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
|
2608 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
|
2609 return lform->obj_field(_vmentry_offset); |
| 710 | 2610 } |
| 2611 | |
| 2612 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2613 // Support for java_lang_invoke_MethodType |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2614 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2615 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
|
2616 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
|
2617 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2618 void java_lang_invoke_MethodType::compute_offsets() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2619 Klass* k = SystemDictionary::MethodType_klass(); |
| 710 | 2620 if (k != NULL) { |
| 2621 compute_offset(_rtype_offset, k, vmSymbols::rtype_name(), vmSymbols::class_signature()); | |
| 2622 compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature()); | |
| 2623 } | |
| 2624 } | |
| 2625 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2626 void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) { |
| 710 | 2627 st->print("("); |
| 2628 objArrayOop pts = ptypes(mt); | |
| 2629 for (int i = 0, limit = pts->length(); i < limit; i++) { | |
| 2630 java_lang_Class::print_signature(pts->obj_at(i), st); | |
| 2631 } | |
| 2632 st->print(")"); | |
| 2633 java_lang_Class::print_signature(rtype(mt), st); | |
| 2634 } | |
| 2635 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2636 Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) { |
| 710 | 2637 ResourceMark rm; |
| 2638 stringStream buffer(128); | |
| 2639 print_signature(mt, &buffer); | |
| 2640 const char* sigstr = buffer.base(); | |
| 2641 int siglen = (int) buffer.size(); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2642 Symbol *name; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2643 if (!intern_if_not_found) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2644 name = SymbolTable::probe(sigstr, siglen); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2645 } else { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2646 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2647 } |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2648 return name; |
| 710 | 2649 } |
| 2650 | |
|
3461
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2651 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
|
2652 if (mt1 == mt2) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2653 return true; |
|
3461
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2654 if (rtype(mt1) != rtype(mt2)) |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2655 return false; |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2656 if (ptype_count(mt1) != ptype_count(mt2)) |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2657 return false; |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2658 for (int i = ptype_count(mt1) - 1; i >= 0; i--) { |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2659 if (ptype(mt1, i) != ptype(mt2, i)) |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2660 return false; |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2661 } |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2662 return true; |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2663 } |
|
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2664 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2665 oop java_lang_invoke_MethodType::rtype(oop mt) { |
| 710 | 2666 assert(is_instance(mt), "must be a MethodType"); |
| 2667 return mt->obj_field(_rtype_offset); | |
| 2668 } | |
| 2669 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2670 objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) { |
| 710 | 2671 assert(is_instance(mt), "must be a MethodType"); |
| 2672 return (objArrayOop) mt->obj_field(_ptypes_offset); | |
| 2673 } | |
| 2674 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2675 oop java_lang_invoke_MethodType::ptype(oop mt, int idx) { |
| 710 | 2676 return ptypes(mt)->obj_at(idx); |
| 2677 } | |
| 2678 | |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2679 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
|
2680 return ptypes(mt)->length(); |
|
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2681 } |
|
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2682 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2683 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
|
2684 objArrayOop pts = ptypes(mt); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2685 int count = pts->length(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2686 int slots = 0; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2687 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
|
2688 BasicType bt = java_lang_Class::as_BasicType(pts->obj_at(i)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2689 slots += type2size[bt]; |
| 710 | 2690 } |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2691 return slots; |
| 710 | 2692 } |
| 2693 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2694 int java_lang_invoke_MethodType::rtype_slot_count(oop mt) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2695 BasicType bt = java_lang_Class::as_BasicType(rtype(mt)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2696 return type2size[bt]; |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
2697 } |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
2698 |
| 710 | 2699 |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2700 // Support for java_lang_invoke_CallSite |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2701 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2702 int java_lang_invoke_CallSite::_target_offset; |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2703 |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2704 void java_lang_invoke_CallSite::compute_offsets() { |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2705 if (!EnableInvokeDynamic) return; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2706 Klass* k = SystemDictionary::CallSite_klass(); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2707 if (k != NULL) { |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2708 compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature()); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2709 } |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2710 } |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2711 |
| 710 | 2712 |
| 0 | 2713 // Support for java_security_AccessControlContext |
| 2714 | |
| 2715 int java_security_AccessControlContext::_context_offset = 0; | |
| 2716 int java_security_AccessControlContext::_privilegedContext_offset = 0; | |
| 2717 int java_security_AccessControlContext::_isPrivileged_offset = 0; | |
| 2718 | |
| 2719 void java_security_AccessControlContext::compute_offsets() { | |
| 2720 assert(_isPrivileged_offset == 0, "offsets should be initialized only once"); | |
| 2721 fieldDescriptor fd; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2722 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass()); |
| 0 | 2723 |
| 2724 if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) { | |
| 2725 fatal("Invalid layout of java.security.AccessControlContext"); | |
| 2726 } | |
| 2727 _context_offset = fd.offset(); | |
| 2728 | |
| 2729 if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) { | |
| 2730 fatal("Invalid layout of java.security.AccessControlContext"); | |
| 2731 } | |
| 2732 _privilegedContext_offset = fd.offset(); | |
| 2733 | |
| 2734 if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) { | |
| 2735 fatal("Invalid layout of java.security.AccessControlContext"); | |
| 2736 } | |
| 2737 _isPrivileged_offset = fd.offset(); | |
| 2738 } | |
| 2739 | |
| 2740 | |
| 2741 oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) { | |
| 2742 assert(_isPrivileged_offset != 0, "offsets should have been initialized"); | |
| 2743 // Ensure klass is initialized | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2744 InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0); |
| 0 | 2745 // Allocate result |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2746 oop result = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0); |
| 0 | 2747 // Fill in values |
| 2748 result->obj_field_put(_context_offset, context()); | |
| 2749 result->obj_field_put(_privilegedContext_offset, privileged_context()); | |
| 2750 result->bool_field_put(_isPrivileged_offset, isPrivileged); | |
| 2751 return result; | |
| 2752 } | |
| 2753 | |
| 2754 | |
| 2755 // Support for java_lang_ClassLoader | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2756 |
| 3938 | 2757 bool java_lang_ClassLoader::offsets_computed = false; |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2758 int java_lang_ClassLoader::_loader_data_offset = -1; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2759 int java_lang_ClassLoader::_dependencies_offset = -1; |
| 3938 | 2760 int java_lang_ClassLoader::parallelCapable_offset = -1; |
| 2761 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2762 ClassLoaderData** java_lang_ClassLoader::loader_data_addr(oop loader) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2763 assert(loader != NULL && loader->is_oop(), "loader must be oop"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2764 return (ClassLoaderData**) loader->address_field_addr(_loader_data_offset); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2765 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2766 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2767 ClassLoaderData* java_lang_ClassLoader::loader_data(oop loader) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2768 return *java_lang_ClassLoader::loader_data_addr(loader); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2769 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2770 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2771 oop java_lang_ClassLoader::dependencies(oop loader) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2772 return loader->obj_field(_dependencies_offset); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2773 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2774 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2775 HeapWord* java_lang_ClassLoader::dependencies_addr(oop loader) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2776 if (UseCompressedOops) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2777 return (HeapWord*)loader->obj_field_addr<narrowOop>(_dependencies_offset); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2778 } else { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2779 return (HeapWord*)loader->obj_field_addr<oop>(_dependencies_offset); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2780 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2781 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2782 |
| 3938 | 2783 void java_lang_ClassLoader::compute_offsets() { |
| 2784 assert(!offsets_computed, "offsets should be initialized only once"); | |
| 2785 offsets_computed = true; | |
| 2786 | |
| 2787 // The field indicating parallelCapable (parallelLockMap) is only present starting in 7, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2788 Klass* k1 = SystemDictionary::ClassLoader_klass(); |
| 3938 | 2789 compute_optional_offset(parallelCapable_offset, |
| 2790 k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature()); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2791 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2792 CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
| 3938 | 2793 } |
| 0 | 2794 |
| 2795 oop java_lang_ClassLoader::parent(oop loader) { | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2796 assert(is_instance(loader), "loader must be oop"); |
| 0 | 2797 return loader->obj_field(parent_offset); |
| 2798 } | |
| 2799 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2800 bool java_lang_ClassLoader::isAncestor(oop loader, oop cl) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2801 assert(is_instance(loader), "loader must be oop"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2802 assert(cl == NULL || is_instance(cl), "cl argument must be oop"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2803 oop acl = loader; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2804 debug_only(jint loop_count = 0); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2805 // This loop taken verbatim from ClassLoader.java: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2806 do { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2807 acl = parent(acl); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2808 if (cl == acl) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2809 return true; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2810 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2811 assert(++loop_count > 0, "loop_count overflow"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2812 } while (acl != NULL); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2813 return false; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2814 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2815 |
| 0 | 2816 |
| 3938 | 2817 // For class loader classes, parallelCapable defined |
| 2818 // based on non-null field | |
| 2819 // Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it | |
| 2820 bool java_lang_ClassLoader::parallelCapable(oop class_loader) { | |
| 2821 if (!JDK_Version::is_gte_jdk17x_version() | |
| 2822 || parallelCapable_offset == -1) { | |
| 2823 // Default for backward compatibility is false | |
| 2824 return false; | |
| 2825 } | |
| 2826 return (class_loader->obj_field(parallelCapable_offset) != NULL); | |
| 2827 } | |
| 2828 | |
| 0 | 2829 bool java_lang_ClassLoader::is_trusted_loader(oop loader) { |
| 2830 // Fix for 4474172; see evaluation for more details | |
| 2831 loader = non_reflection_class_loader(loader); | |
| 2832 | |
| 2833 oop cl = SystemDictionary::java_system_loader(); | |
| 2834 while(cl != NULL) { | |
| 2835 if (cl == loader) return true; | |
| 2836 cl = parent(cl); | |
| 2837 } | |
| 2838 return false; | |
| 2839 } | |
| 2840 | |
| 2841 oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) { | |
| 2842 if (loader != NULL) { | |
| 2843 // See whether this is one of the class loaders associated with | |
| 2844 // the generated bytecodes for reflection, and if so, "magically" | |
| 2845 // delegate to its parent to prevent class loading from occurring | |
| 2846 // in places where applications using reflection didn't expect it. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2847 Klass* delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass(); |
| 0 | 2848 // This might be null in non-1.4 JDKs |
| 2849 if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) { | |
| 2850 return parent(loader); | |
| 2851 } | |
| 2852 } | |
| 2853 return loader; | |
| 2854 } | |
| 2855 | |
| 2856 | |
| 2857 // Support for java_lang_System | |
| 2858 int java_lang_System::in_offset_in_bytes() { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
2859 return (InstanceMirrorKlass::offset_of_static_fields() + static_in_offset); |
| 0 | 2860 } |
| 2861 | |
| 2862 | |
| 2863 int java_lang_System::out_offset_in_bytes() { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
2864 return (InstanceMirrorKlass::offset_of_static_fields() + static_out_offset); |
| 0 | 2865 } |
| 2866 | |
| 2867 | |
| 2868 int java_lang_System::err_offset_in_bytes() { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
2869 return (InstanceMirrorKlass::offset_of_static_fields() + static_err_offset); |
| 0 | 2870 } |
| 2871 | |
| 2872 | |
| 2873 | |
| 3938 | 2874 int java_lang_Class::_klass_offset; |
| 2875 int java_lang_Class::_array_klass_offset; | |
| 2876 int java_lang_Class::_resolved_constructor_offset; | |
| 2877 int java_lang_Class::_oop_size_offset; | |
| 2878 int java_lang_Class::_static_oop_field_count_offset; | |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
2879 #ifdef GRAAL |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
2880 int java_lang_Class::_graal_mirror_offset; |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
2881 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2882 GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL; |
| 0 | 2883 int java_lang_Throwable::backtrace_offset; |
| 2884 int java_lang_Throwable::detailMessage_offset; | |
| 2885 int java_lang_Throwable::cause_offset; | |
| 2886 int java_lang_Throwable::stackTrace_offset; | |
|
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
2887 int java_lang_Throwable::static_unassigned_stacktrace_offset; |
| 0 | 2888 int java_lang_reflect_AccessibleObject::override_offset; |
| 2889 int java_lang_reflect_Method::clazz_offset; | |
| 2890 int java_lang_reflect_Method::name_offset; | |
| 2891 int java_lang_reflect_Method::returnType_offset; | |
| 2892 int java_lang_reflect_Method::parameterTypes_offset; | |
| 2893 int java_lang_reflect_Method::exceptionTypes_offset; | |
| 2894 int java_lang_reflect_Method::slot_offset; | |
| 2895 int java_lang_reflect_Method::modifiers_offset; | |
| 2896 int java_lang_reflect_Method::signature_offset; | |
| 2897 int java_lang_reflect_Method::annotations_offset; | |
| 2898 int java_lang_reflect_Method::parameter_annotations_offset; | |
| 2899 int java_lang_reflect_Method::annotation_default_offset; | |
| 2900 int java_lang_reflect_Constructor::clazz_offset; | |
| 2901 int java_lang_reflect_Constructor::parameterTypes_offset; | |
| 2902 int java_lang_reflect_Constructor::exceptionTypes_offset; | |
| 2903 int java_lang_reflect_Constructor::slot_offset; | |
| 2904 int java_lang_reflect_Constructor::modifiers_offset; | |
| 2905 int java_lang_reflect_Constructor::signature_offset; | |
| 2906 int java_lang_reflect_Constructor::annotations_offset; | |
| 2907 int java_lang_reflect_Constructor::parameter_annotations_offset; | |
| 2908 int java_lang_reflect_Field::clazz_offset; | |
| 2909 int java_lang_reflect_Field::name_offset; | |
| 2910 int java_lang_reflect_Field::type_offset; | |
| 2911 int java_lang_reflect_Field::slot_offset; | |
| 2912 int java_lang_reflect_Field::modifiers_offset; | |
| 2913 int java_lang_reflect_Field::signature_offset; | |
| 2914 int java_lang_reflect_Field::annotations_offset; | |
| 2915 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
|
2916 int java_lang_boxing_object::long_value_offset; |
| 0 | 2917 int java_lang_ref_Reference::referent_offset; |
| 2918 int java_lang_ref_Reference::queue_offset; | |
| 2919 int java_lang_ref_Reference::next_offset; | |
| 2920 int java_lang_ref_Reference::discovered_offset; | |
| 2921 int java_lang_ref_Reference::static_lock_offset; | |
| 2922 int java_lang_ref_Reference::static_pending_offset; | |
| 2923 int java_lang_ref_Reference::number_of_fake_oop_fields; | |
| 2924 int java_lang_ref_SoftReference::timestamp_offset; | |
| 2925 int java_lang_ref_SoftReference::static_clock_offset; | |
| 2926 int java_lang_ClassLoader::parent_offset; | |
| 2927 int java_lang_System::static_in_offset; | |
| 2928 int java_lang_System::static_out_offset; | |
| 2929 int java_lang_System::static_err_offset; | |
| 2930 int java_lang_StackTraceElement::declaringClass_offset; | |
| 2931 int java_lang_StackTraceElement::methodName_offset; | |
| 2932 int java_lang_StackTraceElement::fileName_offset; | |
| 2933 int java_lang_StackTraceElement::lineNumber_offset; | |
| 2934 int java_lang_AssertionStatusDirectives::classes_offset; | |
| 2935 int java_lang_AssertionStatusDirectives::classEnabled_offset; | |
| 2936 int java_lang_AssertionStatusDirectives::packages_offset; | |
| 2937 int java_lang_AssertionStatusDirectives::packageEnabled_offset; | |
| 2938 int java_lang_AssertionStatusDirectives::deflt_offset; | |
| 2939 int java_nio_Buffer::_limit_offset; | |
| 2940 int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2941 int sun_reflect_ConstantPool::_oop_offset; |
| 0 | 2942 int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; |
| 2943 | |
| 2944 | |
| 2945 // Support for java_lang_StackTraceElement | |
| 2946 | |
| 2947 void java_lang_StackTraceElement::set_fileName(oop element, oop value) { | |
| 2948 element->obj_field_put(fileName_offset, value); | |
| 2949 } | |
| 2950 | |
| 2951 void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) { | |
| 2952 element->obj_field_put(declaringClass_offset, value); | |
| 2953 } | |
| 2954 | |
| 2955 void java_lang_StackTraceElement::set_methodName(oop element, oop value) { | |
| 2956 element->obj_field_put(methodName_offset, value); | |
| 2957 } | |
| 2958 | |
| 2959 void java_lang_StackTraceElement::set_lineNumber(oop element, int value) { | |
| 2960 element->int_field_put(lineNumber_offset, value); | |
| 2961 } | |
| 2962 | |
| 2963 | |
| 2964 // Support for java Assertions - java_lang_AssertionStatusDirectives. | |
| 2965 | |
| 2966 void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) { | |
| 2967 o->obj_field_put(classes_offset, val); | |
| 2968 } | |
| 2969 | |
| 2970 void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) { | |
| 2971 o->obj_field_put(classEnabled_offset, val); | |
| 2972 } | |
| 2973 | |
| 2974 void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) { | |
| 2975 o->obj_field_put(packages_offset, val); | |
| 2976 } | |
| 2977 | |
| 2978 void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) { | |
| 2979 o->obj_field_put(packageEnabled_offset, val); | |
| 2980 } | |
| 2981 | |
| 2982 void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) { | |
| 2983 o->bool_field_put(deflt_offset, val); | |
| 2984 } | |
| 2985 | |
| 2986 | |
| 2987 // Support for intrinsification of java.nio.Buffer.checkIndex | |
| 2988 int java_nio_Buffer::limit_offset() { | |
| 2989 return _limit_offset; | |
| 2990 } | |
| 2991 | |
| 2992 | |
| 2993 void java_nio_Buffer::compute_offsets() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2994 Klass* k = SystemDictionary::nio_Buffer_klass(); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2995 assert(k != NULL, "must be loaded in 1.4+"); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2996 compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); |
| 0 | 2997 } |
| 2998 | |
| 2999 void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { | |
| 3000 if (_owner_offset != 0) return; | |
| 3001 | |
| 3002 assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later"); | |
| 3003 SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3004 Klass* k = SystemDictionary::abstract_ownable_synchronizer_klass(); |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3005 compute_offset(_owner_offset, k, |
| 0 | 3006 vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature()); |
| 3007 } | |
| 3008 | |
| 3009 oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) { | |
| 3010 assert(_owner_offset != 0, "Must be initialized"); | |
| 3011 return obj->obj_field(_owner_offset); | |
| 3012 } | |
| 3013 | |
| 3014 // Compute hard-coded offsets | |
| 3015 // Invoked before SystemDictionary::initialize, so pre-loaded classes | |
| 3016 // are not available to determine the offset_of_static_fields. | |
| 3017 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
|
3018 const int x = heapOopSize; |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3019 const int header = instanceOopDesc::base_offset_in_bytes(); |
| 0 | 3020 |
| 3021 // Throwable Class | |
| 3022 java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header; | |
| 3023 java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header; | |
| 3024 java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header; | |
| 3025 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
|
3026 java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset * x; |
| 0 | 3027 |
| 3028 // java_lang_boxing_object | |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3029 java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header; |
|
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3030 java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong); |
| 0 | 3031 |
| 3032 // java_lang_ref_Reference: | |
| 3033 java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header; | |
| 3034 java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header; | |
| 3035 java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header; | |
| 3036 java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header; | |
| 3037 java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x; | |
| 3038 java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x; | |
| 3039 // Artificial fields for java_lang_ref_Reference | |
| 3040 // The first field is for the discovered field added in 1.4 | |
| 3041 java_lang_ref_Reference::number_of_fake_oop_fields = 1; | |
| 3042 | |
| 3043 // java_lang_ref_SoftReference Class | |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3044 java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong); |
| 0 | 3045 // Don't multiply static fields because they are always in wordSize units |
| 3046 java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x; | |
| 3047 | |
| 3048 // java_lang_ClassLoader | |
| 3049 java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header; | |
| 3050 | |
| 3051 // java_lang_System | |
| 3052 java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x; | |
| 3053 java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x; | |
| 3054 java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x; | |
| 3055 | |
| 3056 // java_lang_StackTraceElement | |
| 3057 java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header; | |
| 3058 java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header; | |
| 3059 java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header; | |
| 3060 java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header; | |
| 3061 java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header; | |
| 3062 java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header; | |
| 3063 java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header; | |
| 3064 java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header; | |
| 3065 java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header; | |
| 3066 | |
| 3067 } | |
| 3068 | |
| 3069 | |
| 3070 // Compute non-hard-coded field offsets of all the classes in this file | |
| 3071 void JavaClasses::compute_offsets() { | |
| 3938 | 3072 // java_lang_Class::compute_offsets was called earlier in bootstrap |
| 3073 java_lang_ClassLoader::compute_offsets(); | |
| 0 | 3074 java_lang_Thread::compute_offsets(); |
| 3075 java_lang_ThreadGroup::compute_offsets(); | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2379
diff
changeset
|
3076 if (EnableInvokeDynamic) { |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3077 java_lang_invoke_MethodHandle::compute_offsets(); |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3078 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
|
3079 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
|
3080 java_lang_invoke_MethodType::compute_offsets(); |
|
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
3081 java_lang_invoke_CallSite::compute_offsets(); |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
3082 } |
| 0 | 3083 java_security_AccessControlContext::compute_offsets(); |
| 3084 // Initialize reflection classes. The layouts of these classes | |
| 3085 // changed with the new reflection implementation in JDK 1.4, and | |
| 3086 // since the Universe doesn't know what JDK version it is until this | |
| 3087 // point we defer computation of these offsets until now. | |
| 3088 java_lang_reflect_AccessibleObject::compute_offsets(); | |
| 3089 java_lang_reflect_Method::compute_offsets(); | |
| 3090 java_lang_reflect_Constructor::compute_offsets(); | |
| 3091 java_lang_reflect_Field::compute_offsets(); | |
| 3092 if (JDK_Version::is_gte_jdk14x_version()) { | |
| 3093 java_nio_Buffer::compute_offsets(); | |
| 3094 } | |
| 3095 if (JDK_Version::is_gte_jdk15x_version()) { | |
| 3096 sun_reflect_ConstantPool::compute_offsets(); | |
| 3097 sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); | |
| 3098 } | |
| 710 | 3099 |
| 3100 // generated interpreter code wants to know about the offsets we just computed: | |
| 3101 AbstractAssembler::update_delayed_values(); | |
| 0 | 3102 } |
| 3103 | |
| 3104 #ifndef PRODUCT | |
| 3105 | |
| 3106 // These functions exist to assert the validity of hard-coded field offsets to guard | |
| 3107 // against changes in the class files | |
| 3108 | |
| 3109 bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
| 3110 EXCEPTION_MARK; | |
| 3111 fieldDescriptor fd; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3112 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
|
3113 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
| 0 | 3114 instanceKlassHandle h_klass (THREAD, k); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3115 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
|
3116 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
|
3117 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
| 0 | 3118 tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name); |
| 3119 return false; | |
| 3120 } | |
| 3121 if (fd.is_static()) { | |
| 3122 tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name); | |
| 3123 return false; | |
| 3124 } | |
| 3125 if (fd.offset() == hardcoded_offset ) { | |
| 3126 return true; | |
| 3127 } else { | |
| 3128 tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.", | |
| 3129 klass_name, field_name, hardcoded_offset, fd.offset()); | |
| 3130 return false; | |
| 3131 } | |
| 3132 } | |
| 3133 | |
| 3134 | |
| 3135 bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
| 3136 EXCEPTION_MARK; | |
| 3137 fieldDescriptor fd; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3138 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
|
3139 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
| 0 | 3140 instanceKlassHandle h_klass (THREAD, k); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3141 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
|
3142 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
|
3143 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
| 0 | 3144 tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
| 3145 return false; | |
| 3146 } | |
| 3147 if (!fd.is_static()) { | |
| 3148 tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name); | |
| 3149 return false; | |
| 3150 } | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
3151 if (fd.offset() == hardcoded_offset + InstanceMirrorKlass::offset_of_static_fields()) { |
| 0 | 3152 return true; |
| 3153 } else { | |
|
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
3154 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 | 3155 return false; |
| 3156 } | |
| 3157 } | |
| 3158 | |
| 3159 | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3160 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
|
3161 EXCEPTION_MARK; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3162 fieldDescriptor fd; |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3163 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
|
3164 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
|
3165 instanceKlassHandle h_klass (THREAD, k); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3166 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
|
3167 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
|
3168 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
|
3169 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
|
3170 return false; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3171 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3172 if (!fd.is_static() || !fd.has_initial_value()) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3173 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
|
3174 return false; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3175 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3176 if (!fd.initial_value_tag().is_int()) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3177 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
|
3178 return false; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3179 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3180 jint field_value = fd.int_initial_value(); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3181 if (field_value == hardcoded_constant) { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3182 return true; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3183 } else { |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3184 tty->print_cr("Constant value of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_constant, field_value); |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3185 return false; |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3186 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3187 } |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3188 |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3189 |
| 0 | 3190 // Check the hard-coded field offsets of all the classes in this file |
| 3191 | |
| 3192 void JavaClasses::check_offsets() { | |
| 3193 bool valid = true; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3194 HandleMark hm; |
| 0 | 3195 |
| 3196 #define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ | |
| 3197 valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig) | |
| 3198 | |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3199 #define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
|
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3200 valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig) |
|
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3201 |
| 0 | 3202 #define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
| 3203 valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig) | |
| 3204 | |
|
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3205 #define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \ |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3206 valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig) |
|
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3207 |
| 0 | 3208 // java.lang.String |
| 3209 | |
| 3210 CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C"); | |
| 6057 | 3211 if (java_lang_String::has_offset_field()) { |
| 3212 CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I"); | |
| 3213 CHECK_OFFSET("java/lang/String", java_lang_String, count, "I"); | |
| 3214 } | |
| 3215 if (java_lang_String::has_hash_field()) { | |
| 3216 CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I"); | |
| 3217 } | |
| 0 | 3218 |
| 3219 // java.lang.Class | |
| 3220 | |
| 3221 // Fake fields | |
| 3222 // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked | |
| 3223 // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked | |
| 3224 // CHECK_OFFSET("java/lang/Class", java_lang_Class, resolved_constructor); // %%% this needs to be checked | |
| 3225 | |
| 3226 // java.lang.Throwable | |
| 3227 | |
| 3228 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;"); | |
| 3229 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;"); | |
| 3230 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;"); | |
| 3231 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;"); | |
| 3232 | |
| 3233 // Boxed primitive objects (java_lang_boxing_object) | |
| 3234 | |
| 3235 CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z"); | |
| 3236 CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C"); | |
| 3237 CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F"); | |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3238 CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D"); |
| 0 | 3239 CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B"); |
| 3240 CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S"); | |
| 3241 CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I"); | |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3242 CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J"); |
| 0 | 3243 |
| 3244 // java.lang.ClassLoader | |
| 3245 | |
| 3246 CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;"); | |
| 3247 | |
| 3248 // java.lang.System | |
| 3249 | |
| 3250 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;"); | |
| 3251 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;"); | |
| 3252 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;"); | |
| 3253 | |
| 3254 // java.lang.StackTraceElement | |
| 3255 | |
| 3256 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;"); | |
| 3257 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;"); | |
| 3258 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;"); | |
| 3259 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I"); | |
| 3260 | |
| 3261 // java.lang.ref.Reference | |
| 3262 | |
| 3263 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;"); | |
| 3264 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;"); | |
| 3265 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;"); | |
| 3266 // Fake field | |
| 3267 //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;"); | |
| 3268 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;"); | |
| 3269 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;"); | |
| 3270 | |
| 3271 // java.lang.ref.SoftReference | |
| 3272 | |
| 3273 CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J"); | |
| 3274 CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J"); | |
| 3275 | |
| 3276 // java.lang.AssertionStatusDirectives | |
| 3277 // | |
| 3278 // The CheckAssertionStatusDirectives boolean can be removed from here and | |
| 3279 // globals.hpp after the AssertionStatusDirectives class has been integrated | |
| 3280 // into merlin "for some time." Without it, the vm will fail with early | |
| 3281 // merlin builds. | |
| 3282 | |
| 3283 if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) { | |
| 3284 const char* nm = "java/lang/AssertionStatusDirectives"; | |
| 3285 const char* sig = "[Ljava/lang/String;"; | |
| 3286 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig); | |
| 3287 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z"); | |
| 3288 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig); | |
| 3289 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z"); | |
| 3290 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z"); | |
| 3291 } | |
| 3292 | |
| 3293 if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed"); | |
| 3294 } | |
| 3295 | |
| 3296 #endif // PRODUCT | |
| 3297 | |
| 3938 | 3298 int InjectedField::compute_offset() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3299 Klass* klass_oop = klass(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3300 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
| 3938 | 3301 if (!may_be_java && !fs.access_flags().is_internal()) { |
| 3302 // Only look at injected fields | |
| 3303 continue; | |
| 3304 } | |
| 3305 if (fs.name() == name() && fs.signature() == signature()) { | |
| 3306 return fs.offset(); | |
| 3307 } | |
| 3308 } | |
| 3309 ResourceMark rm; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3310 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)" : ""); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3311 #ifndef PRODUCT |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3312 klass_oop->print(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3313 tty->print_cr("all fields:"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
3314 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3315 tty->print_cr(" name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3316 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3317 #endif //PRODUCT |
| 3938 | 3318 fatal("Invalid layout of preloaded class"); |
| 3319 return -1; | |
| 3320 } | |
| 3321 | |
| 0 | 3322 void javaClasses_init() { |
| 3323 JavaClasses::compute_offsets(); | |
| 3324 JavaClasses::check_offsets(); | |
| 3325 FilteredFieldsMap::initialize(); // must be done after computing offsets. | |
| 3326 } |