Mercurial > hg > truffle
annotate src/share/vm/classfile/javaClasses.cpp @ 6653:2d5407ae1ac4
intermediate materialization is now removed during lowering of an InstanceOfNode that has a single usage which is an IfNode in the same block
lowered InstanceOfNode snippet graph is shared among similar usages of the InstanceOfNode
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 30 Oct 2012 23:58:53 +0100 |
parents | 977007096840 |
children | da91efe96a93 |
rev | line source |
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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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
6162 | 26 #include "classfile/altHashing.hpp" |
1972 | 27 #include "classfile/javaClasses.hpp" |
28 #include "classfile/symbolTable.hpp" | |
29 #include "classfile/vmSymbols.hpp" | |
30 #include "code/debugInfo.hpp" | |
31 #include "code/pcDesc.hpp" | |
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32 #include "compiler/compilerOracle.hpp" |
1972 | 33 #include "interpreter/interpreter.hpp" |
34 #include "memory/oopFactory.hpp" | |
35 #include "memory/resourceArea.hpp" | |
36 #include "memory/universe.inline.hpp" | |
3938 | 37 #include "oops/fieldStreams.hpp" |
1972 | 38 #include "oops/instanceKlass.hpp" |
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39 #include "oops/instanceMirrorKlass.hpp" |
1972 | 40 #include "oops/klass.hpp" |
41 #include "oops/klassOop.hpp" | |
42 #include "oops/methodOop.hpp" | |
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43 #include "oops/symbol.hpp" |
1972 | 44 #include "oops/typeArrayOop.hpp" |
45 #include "runtime/fieldDescriptor.hpp" | |
46 #include "runtime/handles.inline.hpp" | |
47 #include "runtime/interfaceSupport.hpp" | |
48 #include "runtime/java.hpp" | |
49 #include "runtime/javaCalls.hpp" | |
50 #include "runtime/safepoint.hpp" | |
51 #include "runtime/vframe.hpp" | |
52 #include "utilities/preserveException.hpp" | |
53 #ifdef TARGET_OS_FAMILY_linux | |
54 # include "thread_linux.inline.hpp" | |
55 #endif | |
56 #ifdef TARGET_OS_FAMILY_solaris | |
57 # include "thread_solaris.inline.hpp" | |
58 #endif | |
59 #ifdef TARGET_OS_FAMILY_windows | |
60 # include "thread_windows.inline.hpp" | |
61 #endif | |
3960 | 62 #ifdef TARGET_OS_FAMILY_bsd |
63 # include "thread_bsd.inline.hpp" | |
64 #endif | |
0 | 65 |
3938 | 66 #define INJECTED_FIELD_COMPUTE_OFFSET(klass, name, signature, may_be_java) \ |
67 klass::_##name##_offset = JavaClasses::compute_injected_offset(JavaClasses::klass##_##name##_enum); | |
68 | |
69 #define DECLARE_INJECTED_FIELD(klass, name, signature, may_be_java) \ | |
70 { SystemDictionary::WK_KLASS_ENUM_NAME(klass), vmSymbols::VM_SYMBOL_ENUM_NAME(name##_name), vmSymbols::VM_SYMBOL_ENUM_NAME(signature), may_be_java }, | |
71 | |
72 InjectedField JavaClasses::_injected_fields[] = { | |
73 ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD) | |
74 }; | |
75 | |
76 int JavaClasses::compute_injected_offset(InjectedFieldID id) { | |
77 return _injected_fields[id].compute_offset(); | |
78 } | |
79 | |
80 | |
81 InjectedField* JavaClasses::get_injected(Symbol* class_name, int* field_count) { | |
82 *field_count = 0; | |
83 | |
84 vmSymbols::SID sid = vmSymbols::find_sid(class_name); | |
85 if (sid == vmSymbols::NO_SID) { | |
86 // Only well known classes can inject fields | |
87 return NULL; | |
88 } | |
89 | |
90 int count = 0; | |
91 int start = -1; | |
92 | |
93 #define LOOKUP_INJECTED_FIELD(klass, name, signature, may_be_java) \ | |
94 if (sid == vmSymbols::VM_SYMBOL_ENUM_NAME(klass)) { \ | |
95 count++; \ | |
96 if (start == -1) start = klass##_##name##_enum; \ | |
97 } | |
98 ALL_INJECTED_FIELDS(LOOKUP_INJECTED_FIELD); | |
99 #undef LOOKUP_INJECTED_FIELD | |
100 | |
101 if (start != -1) { | |
102 *field_count = count; | |
103 return _injected_fields + start; | |
104 } | |
105 return NULL; | |
106 } | |
107 | |
108 | |
710 | 109 static bool find_field(instanceKlass* ik, |
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110 Symbol* name_symbol, Symbol* signature_symbol, |
710 | 111 fieldDescriptor* fd, |
112 bool allow_super = false) { | |
113 if (allow_super) | |
114 return ik->find_field(name_symbol, signature_symbol, fd) != NULL; | |
115 else | |
116 return ik->find_local_field(name_symbol, signature_symbol, fd); | |
117 } | |
118 | |
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119 // Helpful routine for computing field offsets at run time rather than hardcoding them |
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120 static void |
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121 compute_offset(int &dest_offset, |
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122 klassOop klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
710 | 123 bool allow_super = false) { |
132
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124 fieldDescriptor fd; |
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125 instanceKlass* ik = instanceKlass::cast(klass_oop); |
710 | 126 if (!find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
132
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127 ResourceMark rm; |
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128 tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string()); |
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129 #ifndef PRODUCT |
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130 klass_oop->print(); |
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131 tty->print_cr("all fields:"); |
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132 for (AllFieldStream fs(instanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
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133 tty->print_cr(" name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int()); |
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134 } |
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135 #endif //PRODUCT |
132
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136 fatal("Invalid layout of preloaded class"); |
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137 } |
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138 dest_offset = fd.offset(); |
0 | 139 } |
140 | |
141 // Same as above but for "optional" offsets that might not be present in certain JDK versions | |
132
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142 static void |
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143 compute_optional_offset(int& dest_offset, |
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144 klassOop klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
710 | 145 bool allow_super = false) { |
132
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146 fieldDescriptor fd; |
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147 instanceKlass* ik = instanceKlass::cast(klass_oop); |
710 | 148 if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
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149 dest_offset = fd.offset(); |
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150 } |
0 | 151 } |
152 | |
710 | 153 |
6057 | 154 int java_lang_String::value_offset = 0; |
155 int java_lang_String::offset_offset = 0; | |
156 int java_lang_String::count_offset = 0; | |
157 int java_lang_String::hash_offset = 0; | |
158 | |
159 bool java_lang_String::initialized = false; | |
160 | |
161 void java_lang_String::compute_offsets() { | |
162 assert(!initialized, "offsets should be initialized only once"); | |
163 | |
164 klassOop k = SystemDictionary::String_klass(); | |
165 compute_offset(value_offset, k, vmSymbols::value_name(), vmSymbols::char_array_signature()); | |
166 compute_optional_offset(offset_offset, k, vmSymbols::offset_name(), vmSymbols::int_signature()); | |
167 compute_optional_offset(count_offset, k, vmSymbols::count_name(), vmSymbols::int_signature()); | |
168 compute_optional_offset(hash_offset, k, vmSymbols::hash_name(), vmSymbols::int_signature()); | |
169 | |
170 initialized = true; | |
171 } | |
172 | |
0 | 173 Handle java_lang_String::basic_create(int length, bool tenured, TRAPS) { |
6057 | 174 assert(initialized, "Must be initialized"); |
0 | 175 // Create the String object first, so there's a chance that the String |
176 // and the char array it points to end up in the same cache line. | |
177 oop obj; | |
178 if (tenured) { | |
1142 | 179 obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_permanent_instance(CHECK_NH); |
0 | 180 } else { |
1142 | 181 obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH); |
0 | 182 } |
183 | |
184 // Create the char array. The String object must be handlized here | |
185 // because GC can happen as a result of the allocation attempt. | |
186 Handle h_obj(THREAD, obj); | |
187 typeArrayOop buffer; | |
188 if (tenured) { | |
189 buffer = oopFactory::new_permanent_charArray(length, CHECK_NH); | |
190 } else { | |
191 buffer = oopFactory::new_charArray(length, CHECK_NH); | |
192 } | |
193 | |
194 // Point the String at the char array | |
195 obj = h_obj(); | |
196 set_value(obj, buffer); | |
197 // No need to zero the offset, allocation zero'ed the entire String object | |
198 assert(offset(obj) == 0, "initial String offset should be zero"); | |
199 //set_offset(obj, 0); | |
200 set_count(obj, length); | |
201 | |
202 return h_obj; | |
203 } | |
204 | |
205 Handle java_lang_String::basic_create_from_unicode(jchar* unicode, int length, bool tenured, TRAPS) { | |
206 Handle h_obj = basic_create(length, tenured, CHECK_NH); | |
207 typeArrayOop buffer = value(h_obj()); | |
208 for (int index = 0; index < length; index++) { | |
209 buffer->char_at_put(index, unicode[index]); | |
210 } | |
211 return h_obj; | |
212 } | |
213 | |
214 Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) { | |
215 return basic_create_from_unicode(unicode, length, false, CHECK_NH); | |
216 } | |
217 | |
218 Handle java_lang_String::create_tenured_from_unicode(jchar* unicode, int length, TRAPS) { | |
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219 return basic_create_from_unicode(unicode, length, JavaObjectsInPerm, CHECK_NH); |
0 | 220 } |
221 | |
222 oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) { | |
223 Handle h_obj = basic_create_from_unicode(unicode, length, false, CHECK_0); | |
224 return h_obj(); | |
225 } | |
226 | |
227 Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) { | |
228 if (utf8_str == NULL) { | |
229 return Handle(); | |
230 } | |
231 int length = UTF8::unicode_length(utf8_str); | |
232 Handle h_obj = basic_create(length, false, CHECK_NH); | |
233 if (length > 0) { | |
234 UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length); | |
235 } | |
236 return h_obj; | |
237 } | |
238 | |
239 oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) { | |
240 Handle h_obj = create_from_str(utf8_str, CHECK_0); | |
241 return h_obj(); | |
242 } | |
243 | |
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244 Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) { |
0 | 245 int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length()); |
246 Handle h_obj = basic_create(length, false, CHECK_NH); | |
247 if (length > 0) { | |
248 UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length); | |
249 } | |
250 return h_obj; | |
251 } | |
252 | |
253 // Converts a C string to a Java String based on current encoding | |
254 Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) { | |
255 assert(str != NULL, "bad arguments"); | |
256 | |
257 typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *); | |
258 static to_java_string_fn_t _to_java_string_fn = NULL; | |
259 | |
260 if (_to_java_string_fn == NULL) { | |
261 void *lib_handle = os::native_java_library(); | |
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262 _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform")); |
0 | 263 if (_to_java_string_fn == NULL) { |
264 fatal("NewStringPlatform missing"); | |
265 } | |
266 } | |
267 | |
268 jstring js = NULL; | |
269 { JavaThread* thread = (JavaThread*)THREAD; | |
270 assert(thread->is_Java_thread(), "must be java thread"); | |
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271 HandleMark hm(thread); |
0 | 272 ThreadToNativeFromVM ttn(thread); |
273 js = (_to_java_string_fn)(thread->jni_environment(), str); | |
274 } | |
275 return Handle(THREAD, JNIHandles::resolve(js)); | |
276 } | |
277 | |
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278 // Converts a Java String to a native C string that can be used for |
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279 // native OS calls. |
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280 char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) { |
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281 |
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282 typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*); |
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283 static to_platform_string_fn_t _to_platform_string_fn = NULL; |
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284 |
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285 if (_to_platform_string_fn == NULL) { |
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286 void *lib_handle = os::native_java_library(); |
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287 _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars")); |
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288 if (_to_platform_string_fn == NULL) { |
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289 fatal("GetStringPlatformChars missing"); |
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290 } |
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291 } |
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292 |
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293 char *native_platform_string; |
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294 { JavaThread* thread = (JavaThread*)THREAD; |
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295 assert(thread->is_Java_thread(), "must be java thread"); |
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296 JNIEnv *env = thread->jni_environment(); |
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297 jstring js = (jstring) JNIHandles::make_local(env, java_string()); |
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298 bool is_copy; |
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299 HandleMark hm(thread); |
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300 ThreadToNativeFromVM ttn(thread); |
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301 native_platform_string = (_to_platform_string_fn)(env, js, &is_copy); |
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302 assert(is_copy == JNI_TRUE, "is_copy value changed"); |
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303 JNIHandles::destroy_local(js); |
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304 } |
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305 return native_platform_string; |
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306 } |
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307 |
0 | 308 Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) { |
309 oop obj = java_string(); | |
310 // Typical usage is to convert all '/' to '.' in string. | |
311 typeArrayOop value = java_lang_String::value(obj); | |
312 int offset = java_lang_String::offset(obj); | |
313 int length = java_lang_String::length(obj); | |
314 | |
315 // First check if any from_char exist | |
316 int index; // Declared outside, used later | |
317 for (index = 0; index < length; index++) { | |
318 if (value->char_at(index + offset) == from_char) { | |
319 break; | |
320 } | |
321 } | |
322 if (index == length) { | |
323 // No from_char, so do not copy. | |
324 return java_string; | |
325 } | |
326 | |
327 // Create new UNICODE buffer. Must handlize value because GC | |
328 // may happen during String and char array creation. | |
329 typeArrayHandle h_value(THREAD, value); | |
330 Handle string = basic_create(length, false, CHECK_NH); | |
331 | |
332 typeArrayOop from_buffer = h_value(); | |
333 typeArrayOop to_buffer = java_lang_String::value(string()); | |
334 | |
335 // Copy contents | |
336 for (index = 0; index < length; index++) { | |
337 jchar c = from_buffer->char_at(index + offset); | |
338 if (c == from_char) { | |
339 c = to_char; | |
340 } | |
341 to_buffer->char_at_put(index, c); | |
342 } | |
343 return string; | |
344 } | |
345 | |
346 jchar* java_lang_String::as_unicode_string(oop java_string, int& length) { | |
347 typeArrayOop value = java_lang_String::value(java_string); | |
348 int offset = java_lang_String::offset(java_string); | |
349 length = java_lang_String::length(java_string); | |
350 | |
351 jchar* result = NEW_RESOURCE_ARRAY(jchar, length); | |
352 for (int index = 0; index < length; index++) { | |
353 result[index] = value->char_at(index + offset); | |
354 } | |
355 return result; | |
356 } | |
357 | |
6162 | 358 unsigned int java_lang_String::to_hash(oop java_string) { |
359 int length = java_lang_String::length(java_string); | |
360 // Zero length string will hash to zero with String.toHash() function. | |
361 if (length == 0) return 0; | |
362 | |
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363 typeArrayOop value = java_lang_String::value(java_string); |
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364 int offset = java_lang_String::offset(java_string); |
6162 | 365 return java_lang_String::to_hash(value->char_at_addr(offset), length); |
366 } | |
367 | |
368 unsigned int java_lang_String::hash_string(oop java_string) { | |
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369 int length = java_lang_String::length(java_string); |
6162 | 370 // Zero length string doesn't hash necessarily hash to zero. |
371 if (length == 0) { | |
372 return StringTable::hash_string(NULL, 0); | |
373 } | |
374 | |
375 typeArrayOop value = java_lang_String::value(java_string); | |
376 int offset = java_lang_String::offset(java_string); | |
377 return StringTable::hash_string(value->char_at_addr(offset), length); | |
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378 } |
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379 |
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380 Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) { |
0 | 381 oop obj = java_string(); |
382 typeArrayOop value = java_lang_String::value(obj); | |
383 int offset = java_lang_String::offset(obj); | |
384 int length = java_lang_String::length(obj); | |
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385 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
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386 Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD); |
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387 return sym; |
0 | 388 } |
389 | |
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390 Symbol* java_lang_String::as_symbol_or_null(oop java_string) { |
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391 typeArrayOop value = java_lang_String::value(java_string); |
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392 int offset = java_lang_String::offset(java_string); |
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393 int length = java_lang_String::length(java_string); |
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394 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
665
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395 return SymbolTable::probe_unicode(base, length); |
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396 } |
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397 |
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398 |
0 | 399 int java_lang_String::utf8_length(oop java_string) { |
400 typeArrayOop value = java_lang_String::value(java_string); | |
401 int offset = java_lang_String::offset(java_string); | |
402 int length = java_lang_String::length(java_string); | |
403 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
404 return UNICODE::utf8_length(position, length); | |
405 } | |
406 | |
407 char* java_lang_String::as_utf8_string(oop java_string) { | |
408 typeArrayOop value = java_lang_String::value(java_string); | |
409 int offset = java_lang_String::offset(java_string); | |
410 int length = java_lang_String::length(java_string); | |
411 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
412 return UNICODE::as_utf8(position, length); | |
413 } | |
414 | |
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415 char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) { |
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416 typeArrayOop value = java_lang_String::value(java_string); |
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417 int offset = java_lang_String::offset(java_string); |
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418 int length = java_lang_String::length(java_string); |
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419 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
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420 return UNICODE::as_utf8(position, length, buf, buflen); |
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421 } |
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422 |
0 | 423 char* java_lang_String::as_utf8_string(oop java_string, int start, int len) { |
424 typeArrayOop value = java_lang_String::value(java_string); | |
425 int offset = java_lang_String::offset(java_string); | |
426 int length = java_lang_String::length(java_string); | |
427 assert(start + len <= length, "just checking"); | |
428 jchar* position = value->char_at_addr(offset + start); | |
429 return UNICODE::as_utf8(position, len); | |
430 } | |
431 | |
432 bool java_lang_String::equals(oop java_string, jchar* chars, int len) { | |
433 assert(SharedSkipVerify || | |
1142 | 434 java_string->klass() == SystemDictionary::String_klass(), |
0 | 435 "must be java_string"); |
436 typeArrayOop value = java_lang_String::value(java_string); | |
437 int offset = java_lang_String::offset(java_string); | |
438 int length = java_lang_String::length(java_string); | |
439 if (length != len) { | |
440 return false; | |
441 } | |
442 for (int i = 0; i < len; i++) { | |
443 if (value->char_at(i + offset) != chars[i]) { | |
444 return false; | |
445 } | |
446 } | |
447 return true; | |
448 } | |
449 | |
450 void java_lang_String::print(Handle java_string, outputStream* st) { | |
451 oop obj = java_string(); | |
1142 | 452 assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string"); |
0 | 453 typeArrayOop value = java_lang_String::value(obj); |
454 int offset = java_lang_String::offset(obj); | |
455 int length = java_lang_String::length(obj); | |
456 | |
457 int end = MIN2(length, 100); | |
458 if (value == NULL) { | |
459 // This can happen if, e.g., printing a String | |
460 // object before its initializer has been called | |
461 st->print_cr("NULL"); | |
462 } else { | |
463 st->print("\""); | |
464 for (int index = 0; index < length; index++) { | |
465 st->print("%c", value->char_at(index + offset)); | |
466 } | |
467 st->print("\""); | |
468 } | |
469 } | |
470 | |
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471 static void initialize_static_field(fieldDescriptor* fd, TRAPS) { |
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472 Handle mirror (THREAD, fd->field_holder()->java_mirror()); |
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473 assert(mirror.not_null() && fd->is_static(), "just checking"); |
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474 if (fd->has_initial_value()) { |
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475 BasicType t = fd->field_type(); |
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476 switch (t) { |
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477 case T_BYTE: |
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478 mirror()->byte_field_put(fd->offset(), fd->int_initial_value()); |
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479 break; |
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480 case T_BOOLEAN: |
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481 mirror()->bool_field_put(fd->offset(), fd->int_initial_value()); |
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482 break; |
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483 case T_CHAR: |
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484 mirror()->char_field_put(fd->offset(), fd->int_initial_value()); |
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485 break; |
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486 case T_SHORT: |
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487 mirror()->short_field_put(fd->offset(), fd->int_initial_value()); |
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488 break; |
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489 case T_INT: |
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490 mirror()->int_field_put(fd->offset(), fd->int_initial_value()); |
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491 break; |
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492 case T_FLOAT: |
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493 mirror()->float_field_put(fd->offset(), fd->float_initial_value()); |
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494 break; |
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495 case T_DOUBLE: |
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496 mirror()->double_field_put(fd->offset(), fd->double_initial_value()); |
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497 break; |
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498 case T_LONG: |
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499 mirror()->long_field_put(fd->offset(), fd->long_initial_value()); |
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500 break; |
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501 case T_OBJECT: |
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502 { |
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503 #ifdef ASSERT |
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504 TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK); |
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505 assert(fd->signature() == sym, "just checking"); |
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506 #endif |
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507 oop string = fd->string_initial_value(CHECK); |
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508 mirror()->obj_field_put(fd->offset(), string); |
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509 } |
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510 break; |
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511 default: |
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512 THROW_MSG(vmSymbols::java_lang_ClassFormatError(), |
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513 "Illegal ConstantValue attribute in class file"); |
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514 } |
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515 } |
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516 } |
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517 |
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518 |
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519 void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) { |
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520 assert(instanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already"); |
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521 |
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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. | |
526 for (JavaFieldStream fs(instanceKlass::cast(k())); !fs.done(); fs.next()) { | |
527 if (fs.access_flags().is_static()) { | |
528 int real_offset = fs.offset() + instanceMirrorKlass::offset_of_static_fields(); | |
529 fs.set_offset(real_offset); | |
530 } | |
531 } | |
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532 } |
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533 create_mirror(k, CHECK); |
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534 } |
0 | 535 |
536 oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) { | |
537 assert(k->java_mirror() == NULL, "should only assign mirror once"); | |
538 // Use this moment of initialization to cache modifier_flags also, | |
539 // to support Class.getModifiers(). Instance classes recalculate | |
540 // the cached flags after the class file is parsed, but before the | |
541 // class is put into the system dictionary. | |
542 int computed_modifiers = k->compute_modifier_flags(CHECK_0); | |
543 k->set_modifier_flags(computed_modifiers); | |
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544 if (SystemDictionary::Class_klass_loaded() && (k->oop_is_instance() || k->oop_is_javaArray())) { |
0 | 545 // Allocate mirror (java.lang.Class instance) |
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546 Handle mirror = instanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0); |
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547 |
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548 instanceMirrorKlass* mk = instanceMirrorKlass::cast(mirror->klass()); |
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549 java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror())); |
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550 |
0 | 551 // It might also have a component mirror. This mirror must already exist. |
552 if (k->oop_is_javaArray()) { | |
553 Handle comp_mirror; | |
554 if (k->oop_is_typeArray()) { | |
555 BasicType type = typeArrayKlass::cast(k->as_klassOop())->element_type(); | |
556 comp_mirror = Universe::java_mirror(type); | |
557 assert(comp_mirror.not_null(), "must have primitive mirror"); | |
558 } else if (k->oop_is_objArray()) { | |
559 klassOop element_klass = objArrayKlass::cast(k->as_klassOop())->element_klass(); | |
560 if (element_klass != NULL | |
561 && (Klass::cast(element_klass)->oop_is_instance() || | |
562 Klass::cast(element_klass)->oop_is_javaArray())) { | |
563 comp_mirror = Klass::cast(element_klass)->java_mirror(); | |
564 assert(comp_mirror.not_null(), "must have element mirror"); | |
565 } | |
566 // else some object array internal to the VM, like systemObjArrayKlassObj | |
567 } | |
568 if (comp_mirror.not_null()) { | |
569 // Two-way link between the array klass and its component mirror: | |
570 arrayKlass::cast(k->as_klassOop())->set_component_mirror(comp_mirror()); | |
571 set_array_klass(comp_mirror(), k->as_klassOop()); | |
572 } | |
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573 } else if (k->oop_is_instance()) { |
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574 // Initialize static fields |
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575 instanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL); |
0 | 576 } |
577 return mirror(); | |
578 } else { | |
579 return NULL; | |
580 } | |
581 } | |
582 | |
583 | |
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584 |
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585 int java_lang_Class::oop_size(oop java_class) { |
3938 | 586 assert(_oop_size_offset != 0, "must be set"); |
587 return java_class->int_field(_oop_size_offset); | |
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588 } |
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589 void java_lang_Class::set_oop_size(oop java_class, int size) { |
3938 | 590 assert(_oop_size_offset != 0, "must be set"); |
591 java_class->int_field_put(_oop_size_offset, size); | |
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592 } |
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593 int java_lang_Class::static_oop_field_count(oop java_class) { |
3938 | 594 assert(_static_oop_field_count_offset != 0, "must be set"); |
595 return java_class->int_field(_static_oop_field_count_offset); | |
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596 } |
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597 void java_lang_Class::set_static_oop_field_count(oop java_class, int size) { |
3938 | 598 assert(_static_oop_field_count_offset != 0, "must be set"); |
599 java_class->int_field_put(_static_oop_field_count_offset, size); | |
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600 } |
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601 |
0 | 602 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) { |
603 // This should be improved by adding a field at the Java level or by | |
604 // introducing a new VM klass (see comment in ClassFileParser) | |
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605 oop java_class = instanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance((oop)NULL, CHECK_0); |
0 | 606 if (type != T_VOID) { |
607 klassOop aklass = Universe::typeArrayKlassObj(type); | |
608 assert(aklass != NULL, "correct bootstrap"); | |
609 set_array_klass(java_class, aklass); | |
610 } | |
4009 | 611 #ifdef ASSERT |
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612 instanceMirrorKlass* mk = instanceMirrorKlass::cast(SystemDictionary::Class_klass()); |
4009 | 613 assert(java_lang_Class::static_oop_field_count(java_class) == 0, "should have been zeroed by allocation"); |
614 #endif | |
0 | 615 return java_class; |
616 } | |
617 | |
618 | |
619 klassOop java_lang_Class::as_klassOop(oop java_class) { | |
620 //%note memory_2 | |
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621 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
3938 | 622 klassOop k = klassOop(java_class->obj_field(_klass_offset)); |
0 | 623 assert(k == NULL || k->is_klass(), "type check"); |
624 return k; | |
625 } | |
626 | |
627 | |
4009 | 628 void java_lang_Class::set_klass(oop java_class, klassOop klass) { |
629 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); | |
630 java_class->obj_field_put(_klass_offset, klass); | |
631 } | |
632 | |
633 | |
665
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634 void java_lang_Class::print_signature(oop java_class, outputStream* st) { |
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635 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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636 Symbol* name = NULL; |
665
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637 bool is_instance = false; |
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638 if (is_primitive(java_class)) { |
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639 name = vmSymbols::type_signature(primitive_type(java_class)); |
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640 } else { |
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641 klassOop k = as_klassOop(java_class); |
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642 is_instance = Klass::cast(k)->oop_is_instance(); |
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643 name = Klass::cast(k)->name(); |
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644 } |
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645 if (name == NULL) { |
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646 st->print("<null>"); |
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647 return; |
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648 } |
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649 if (is_instance) st->print("L"); |
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650 st->write((char*) name->base(), (int) name->utf8_length()); |
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651 if (is_instance) st->print(";"); |
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652 } |
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653 |
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654 Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) { |
665
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655 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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656 Symbol* name; |
665
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657 if (is_primitive(java_class)) { |
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658 name = vmSymbols::type_signature(primitive_type(java_class)); |
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659 // Because this can create a new symbol, the caller has to decrement |
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660 // the refcount, so make adjustment here and below for symbols returned |
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661 // that are not created or incremented due to a successful lookup. |
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662 name->increment_refcount(); |
665
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663 } else { |
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664 klassOop k = as_klassOop(java_class); |
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665 if (!Klass::cast(k)->oop_is_instance()) { |
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666 name = Klass::cast(k)->name(); |
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667 name->increment_refcount(); |
665
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668 } else { |
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669 ResourceMark rm; |
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670 const char* sigstr = Klass::cast(k)->signature_name(); |
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671 int siglen = (int) strlen(sigstr); |
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672 if (!intern_if_not_found) { |
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673 name = SymbolTable::probe(sigstr, siglen); |
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674 } else { |
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675 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
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676 } |
665
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677 } |
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678 } |
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679 return name; |
665
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680 } |
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681 |
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682 |
0 | 683 klassOop java_lang_Class::array_klass(oop java_class) { |
3938 | 684 klassOop k = klassOop(java_class->obj_field(_array_klass_offset)); |
0 | 685 assert(k == NULL || k->is_klass() && Klass::cast(k)->oop_is_javaArray(), "should be array klass"); |
686 return k; | |
687 } | |
688 | |
689 | |
690 void java_lang_Class::set_array_klass(oop java_class, klassOop klass) { | |
691 assert(klass->is_klass() && Klass::cast(klass)->oop_is_javaArray(), "should be array klass"); | |
3938 | 692 java_class->obj_field_put(_array_klass_offset, klass); |
0 | 693 } |
694 | |
695 | |
696 methodOop java_lang_Class::resolved_constructor(oop java_class) { | |
3938 | 697 oop constructor = java_class->obj_field(_resolved_constructor_offset); |
0 | 698 assert(constructor == NULL || constructor->is_method(), "should be method"); |
699 return methodOop(constructor); | |
700 } | |
701 | |
702 | |
703 void java_lang_Class::set_resolved_constructor(oop java_class, methodOop constructor) { | |
704 assert(constructor->is_method(), "should be method"); | |
3938 | 705 java_class->obj_field_put(_resolved_constructor_offset, constructor); |
0 | 706 } |
707 | |
708 | |
709 bool java_lang_Class::is_primitive(oop java_class) { | |
665
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710 // should assert: |
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711 //assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
3938 | 712 klassOop k = klassOop(java_class->obj_field(_klass_offset)); |
0 | 713 return k == NULL; |
714 } | |
715 | |
716 | |
717 BasicType java_lang_Class::primitive_type(oop java_class) { | |
718 assert(java_lang_Class::is_primitive(java_class), "just checking"); | |
3938 | 719 klassOop ak = klassOop(java_class->obj_field(_array_klass_offset)); |
0 | 720 BasicType type = T_VOID; |
721 if (ak != NULL) { | |
722 // Note: create_basic_type_mirror above initializes ak to a non-null value. | |
723 type = arrayKlass::cast(ak)->element_type(); | |
724 } else { | |
725 assert(java_class == Universe::void_mirror(), "only valid non-array primitive"); | |
726 } | |
727 assert(Universe::java_mirror(type) == java_class, "must be consistent"); | |
728 return type; | |
729 } | |
730 | |
665
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731 BasicType java_lang_Class::as_BasicType(oop java_class, klassOop* reference_klass) { |
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732 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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733 if (is_primitive(java_class)) { |
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734 if (reference_klass != NULL) |
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735 (*reference_klass) = NULL; |
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736 return primitive_type(java_class); |
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737 } else { |
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738 if (reference_klass != NULL) |
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739 (*reference_klass) = as_klassOop(java_class); |
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740 return T_OBJECT; |
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741 } |
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742 } |
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743 |
0 | 744 |
745 oop java_lang_Class::primitive_mirror(BasicType t) { | |
746 oop mirror = Universe::java_mirror(t); | |
1142 | 747 assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class"); |
0 | 748 assert(java_lang_Class::is_primitive(mirror), "must be primitive"); |
749 return mirror; | |
750 } | |
751 | |
752 bool java_lang_Class::offsets_computed = false; | |
753 int java_lang_Class::classRedefinedCount_offset = -1; | |
754 | |
755 void java_lang_Class::compute_offsets() { | |
756 assert(!offsets_computed, "offsets should be initialized only once"); | |
757 offsets_computed = true; | |
758 | |
3938 | 759 klassOop klass_oop = SystemDictionary::Class_klass(); |
0 | 760 // The classRedefinedCount field is only present starting in 1.5, |
761 // so don't go fatal. | |
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762 compute_optional_offset(classRedefinedCount_offset, |
3938 | 763 klass_oop, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature()); |
764 | |
765 CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
0 | 766 } |
767 | |
768 int java_lang_Class::classRedefinedCount(oop the_class_mirror) { | |
769 if (!JDK_Version::is_gte_jdk15x_version() | |
770 || classRedefinedCount_offset == -1) { | |
771 // The classRedefinedCount field is only present starting in 1.5. | |
772 // If we don't have an offset for it then just return -1 as a marker. | |
773 return -1; | |
774 } | |
775 | |
776 return the_class_mirror->int_field(classRedefinedCount_offset); | |
777 } | |
778 | |
779 void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) { | |
780 if (!JDK_Version::is_gte_jdk15x_version() | |
781 || classRedefinedCount_offset == -1) { | |
782 // The classRedefinedCount field is only present starting in 1.5. | |
783 // If we don't have an offset for it then nothing to set. | |
784 return; | |
785 } | |
786 | |
787 the_class_mirror->int_field_put(classRedefinedCount_offset, value); | |
788 } | |
789 | |
790 | |
791 // Note: JDK1.1 and before had a privateInfo_offset field which was used for the | |
792 // platform thread structure, and a eetop offset which was used for thread | |
793 // local storage (and unused by the HotSpot VM). In JDK1.2 the two structures | |
794 // merged, so in the HotSpot VM we just use the eetop field for the thread | |
795 // instead of the privateInfo_offset. | |
796 // | |
797 // Note: The stackSize field is only present starting in 1.4. | |
798 | |
799 int java_lang_Thread::_name_offset = 0; | |
800 int java_lang_Thread::_group_offset = 0; | |
801 int java_lang_Thread::_contextClassLoader_offset = 0; | |
802 int java_lang_Thread::_inheritedAccessControlContext_offset = 0; | |
803 int java_lang_Thread::_priority_offset = 0; | |
804 int java_lang_Thread::_eetop_offset = 0; | |
805 int java_lang_Thread::_daemon_offset = 0; | |
806 int java_lang_Thread::_stillborn_offset = 0; | |
807 int java_lang_Thread::_stackSize_offset = 0; | |
808 int java_lang_Thread::_tid_offset = 0; | |
809 int java_lang_Thread::_thread_status_offset = 0; | |
810 int java_lang_Thread::_park_blocker_offset = 0; | |
811 int java_lang_Thread::_park_event_offset = 0 ; | |
812 | |
813 | |
814 void java_lang_Thread::compute_offsets() { | |
815 assert(_group_offset == 0, "offsets should be initialized only once"); | |
816 | |
1142 | 817 klassOop k = SystemDictionary::Thread_klass(); |
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818 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature()); |
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819 compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature()); |
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820 compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature()); |
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821 compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature()); |
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822 compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature()); |
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823 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
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824 compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature()); |
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825 compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature()); |
0 | 826 // The stackSize field is only present starting in 1.4, so don't go fatal. |
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827 compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature()); |
0 | 828 // The tid and thread_status fields are only present starting in 1.5, so don't go fatal. |
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829 compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature()); |
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830 compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature()); |
0 | 831 // The parkBlocker field is only present starting in 1.6, so don't go fatal. |
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832 compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature()); |
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833 compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(), |
0 | 834 vmSymbols::long_signature()); |
835 } | |
836 | |
837 | |
838 JavaThread* java_lang_Thread::thread(oop java_thread) { | |
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839 return (JavaThread*)java_thread->address_field(_eetop_offset); |
0 | 840 } |
841 | |
842 | |
843 void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) { | |
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844 java_thread->address_field_put(_eetop_offset, (address)thread); |
0 | 845 } |
846 | |
847 | |
848 typeArrayOop java_lang_Thread::name(oop java_thread) { | |
849 oop name = java_thread->obj_field(_name_offset); | |
850 assert(name == NULL || (name->is_typeArray() && typeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking"); | |
851 return typeArrayOop(name); | |
852 } | |
853 | |
854 | |
855 void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) { | |
856 assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL"); | |
857 java_thread->obj_field_put(_name_offset, name); | |
858 } | |
859 | |
860 | |
861 ThreadPriority java_lang_Thread::priority(oop java_thread) { | |
862 return (ThreadPriority)java_thread->int_field(_priority_offset); | |
863 } | |
864 | |
865 | |
866 void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) { | |
867 java_thread->int_field_put(_priority_offset, priority); | |
868 } | |
869 | |
870 | |
871 oop java_lang_Thread::threadGroup(oop java_thread) { | |
872 return java_thread->obj_field(_group_offset); | |
873 } | |
874 | |
875 | |
876 bool java_lang_Thread::is_stillborn(oop java_thread) { | |
877 return java_thread->bool_field(_stillborn_offset) != 0; | |
878 } | |
879 | |
880 | |
881 // We never have reason to turn the stillborn bit off | |
882 void java_lang_Thread::set_stillborn(oop java_thread) { | |
883 java_thread->bool_field_put(_stillborn_offset, true); | |
884 } | |
885 | |
886 | |
887 bool java_lang_Thread::is_alive(oop java_thread) { | |
888 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
889 return (thr != NULL); | |
890 } | |
891 | |
892 | |
893 bool java_lang_Thread::is_daemon(oop java_thread) { | |
894 return java_thread->bool_field(_daemon_offset) != 0; | |
895 } | |
896 | |
897 | |
898 void java_lang_Thread::set_daemon(oop java_thread) { | |
899 java_thread->bool_field_put(_daemon_offset, true); | |
900 } | |
901 | |
902 oop java_lang_Thread::context_class_loader(oop java_thread) { | |
903 return java_thread->obj_field(_contextClassLoader_offset); | |
904 } | |
905 | |
906 oop java_lang_Thread::inherited_access_control_context(oop java_thread) { | |
907 return java_thread->obj_field(_inheritedAccessControlContext_offset); | |
908 } | |
909 | |
910 | |
911 jlong java_lang_Thread::stackSize(oop java_thread) { | |
912 // The stackSize field is only present starting in 1.4 | |
913 if (_stackSize_offset > 0) { | |
914 assert(JDK_Version::is_gte_jdk14x_version(), "sanity check"); | |
915 return java_thread->long_field(_stackSize_offset); | |
916 } else { | |
917 return 0; | |
918 } | |
919 } | |
920 | |
921 // Write the thread status value to threadStatus field in java.lang.Thread java class. | |
922 void java_lang_Thread::set_thread_status(oop java_thread, | |
923 java_lang_Thread::ThreadStatus status) { | |
924 assert(JavaThread::current()->thread_state() == _thread_in_vm, "Java Thread is not running in vm"); | |
925 // The threadStatus is only present starting in 1.5 | |
926 if (_thread_status_offset > 0) { | |
927 java_thread->int_field_put(_thread_status_offset, status); | |
928 } | |
929 } | |
930 | |
931 // Read thread status value from threadStatus field in java.lang.Thread java class. | |
932 java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { | |
933 assert(Thread::current()->is_VM_thread() || | |
934 JavaThread::current()->thread_state() == _thread_in_vm, | |
935 "Java Thread is not running in vm"); | |
936 // The threadStatus is only present starting in 1.5 | |
937 if (_thread_status_offset > 0) { | |
938 return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
939 } else { | |
940 // All we can easily figure out is if it is alive, but that is | |
941 // enough info for a valid unknown status. | |
942 // These aren't restricted to valid set ThreadStatus values, so | |
943 // use JVMTI values and cast. | |
944 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
945 if (thr == NULL) { | |
946 // the thread hasn't run yet or is in the process of exiting | |
947 return NEW; | |
948 } | |
949 return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE; | |
950 } | |
951 } | |
952 | |
953 | |
954 jlong java_lang_Thread::thread_id(oop java_thread) { | |
955 // The thread ID field is only present starting in 1.5 | |
956 if (_tid_offset > 0) { | |
957 return java_thread->long_field(_tid_offset); | |
958 } else { | |
959 return 0; | |
960 } | |
961 } | |
962 | |
963 oop java_lang_Thread::park_blocker(oop java_thread) { | |
242 | 964 assert(JDK_Version::current().supports_thread_park_blocker() && |
965 _park_blocker_offset != 0, "Must support parkBlocker field"); | |
0 | 966 |
967 if (_park_blocker_offset > 0) { | |
968 return java_thread->obj_field(_park_blocker_offset); | |
969 } | |
970 | |
971 return NULL; | |
972 } | |
973 | |
974 jlong java_lang_Thread::park_event(oop java_thread) { | |
975 if (_park_event_offset > 0) { | |
976 return java_thread->long_field(_park_event_offset); | |
977 } | |
978 return 0; | |
979 } | |
980 | |
981 bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) { | |
982 if (_park_event_offset > 0) { | |
983 java_thread->long_field_put(_park_event_offset, ptr); | |
984 return true; | |
985 } | |
986 return false; | |
987 } | |
988 | |
989 | |
990 const char* java_lang_Thread::thread_status_name(oop java_thread) { | |
991 assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status"); | |
992 ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
993 switch (status) { | |
994 case NEW : return "NEW"; | |
995 case RUNNABLE : return "RUNNABLE"; | |
996 case SLEEPING : return "TIMED_WAITING (sleeping)"; | |
997 case IN_OBJECT_WAIT : return "WAITING (on object monitor)"; | |
998 case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)"; | |
999 case PARKED : return "WAITING (parking)"; | |
1000 case PARKED_TIMED : return "TIMED_WAITING (parking)"; | |
1001 case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)"; | |
1002 case TERMINATED : return "TERMINATED"; | |
1003 default : return "UNKNOWN"; | |
1004 }; | |
1005 } | |
1006 int java_lang_ThreadGroup::_parent_offset = 0; | |
1007 int java_lang_ThreadGroup::_name_offset = 0; | |
1008 int java_lang_ThreadGroup::_threads_offset = 0; | |
1009 int java_lang_ThreadGroup::_groups_offset = 0; | |
1010 int java_lang_ThreadGroup::_maxPriority_offset = 0; | |
1011 int java_lang_ThreadGroup::_destroyed_offset = 0; | |
1012 int java_lang_ThreadGroup::_daemon_offset = 0; | |
1013 int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0; | |
1014 int java_lang_ThreadGroup::_nthreads_offset = 0; | |
1015 int java_lang_ThreadGroup::_ngroups_offset = 0; | |
1016 | |
1017 oop java_lang_ThreadGroup::parent(oop java_thread_group) { | |
1018 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1019 return java_thread_group->obj_field(_parent_offset); | |
1020 } | |
1021 | |
1022 // ("name as oop" accessor is not necessary) | |
1023 | |
1024 typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) { | |
1025 oop name = java_thread_group->obj_field(_name_offset); | |
1026 // ThreadGroup.name can be null | |
1027 return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name); | |
1028 } | |
1029 | |
1030 int java_lang_ThreadGroup::nthreads(oop java_thread_group) { | |
1031 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1032 return java_thread_group->int_field(_nthreads_offset); | |
1033 } | |
1034 | |
1035 objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) { | |
1036 oop threads = java_thread_group->obj_field(_threads_offset); | |
1037 assert(threads != NULL, "threadgroups should have threads"); | |
1038 assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code | |
1039 return objArrayOop(threads); | |
1040 } | |
1041 | |
1042 int java_lang_ThreadGroup::ngroups(oop java_thread_group) { | |
1043 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1044 return java_thread_group->int_field(_ngroups_offset); | |
1045 } | |
1046 | |
1047 objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) { | |
1048 oop groups = java_thread_group->obj_field(_groups_offset); | |
1049 assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code | |
1050 return objArrayOop(groups); | |
1051 } | |
1052 | |
1053 ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) { | |
1054 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1055 return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset); | |
1056 } | |
1057 | |
1058 bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) { | |
1059 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1060 return java_thread_group->bool_field(_destroyed_offset) != 0; | |
1061 } | |
1062 | |
1063 bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) { | |
1064 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1065 return java_thread_group->bool_field(_daemon_offset) != 0; | |
1066 } | |
1067 | |
1068 bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) { | |
1069 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1070 return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0; | |
1071 } | |
1072 | |
1073 void java_lang_ThreadGroup::compute_offsets() { | |
1074 assert(_parent_offset == 0, "offsets should be initialized only once"); | |
1075 | |
1142 | 1076 klassOop k = SystemDictionary::ThreadGroup_klass(); |
0 | 1077 |
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1078 compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature()); |
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1079 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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1080 compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature()); |
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1081 compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature()); |
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1082 compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature()); |
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1083 compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature()); |
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1084 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
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1085 compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature()); |
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1086 compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature()); |
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1087 compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature()); |
0 | 1088 } |
1089 | |
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1090 oop java_lang_Throwable::unassigned_stacktrace() { |
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1091 instanceKlass* ik = instanceKlass::cast(SystemDictionary::Throwable_klass()); |
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1092 address addr = ik->static_field_addr(static_unassigned_stacktrace_offset); |
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1093 if (UseCompressedOops) { |
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1094 return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
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1095 } else { |
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1096 return oopDesc::load_decode_heap_oop((oop*)addr); |
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1097 } |
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1098 } |
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1099 |
0 | 1100 oop java_lang_Throwable::backtrace(oop throwable) { |
1101 return throwable->obj_field_acquire(backtrace_offset); | |
1102 } | |
1103 | |
1104 | |
1105 void java_lang_Throwable::set_backtrace(oop throwable, oop value) { | |
1106 throwable->release_obj_field_put(backtrace_offset, value); | |
1107 } | |
1108 | |
1109 | |
1110 oop java_lang_Throwable::message(oop throwable) { | |
1111 return throwable->obj_field(detailMessage_offset); | |
1112 } | |
1113 | |
1114 | |
1115 oop java_lang_Throwable::message(Handle throwable) { | |
1116 return throwable->obj_field(detailMessage_offset); | |
1117 } | |
1118 | |
1119 | |
1120 void java_lang_Throwable::set_message(oop throwable, oop value) { | |
1121 throwable->obj_field_put(detailMessage_offset, value); | |
1122 } | |
1123 | |
1124 | |
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1125 void java_lang_Throwable::set_stacktrace(oop throwable, oop st_element_array) { |
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1126 throwable->obj_field_put(stackTrace_offset, st_element_array); |
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1127 } |
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1128 |
0 | 1129 void java_lang_Throwable::clear_stacktrace(oop throwable) { |
1130 assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); | |
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1131 set_stacktrace(throwable, NULL); |
0 | 1132 } |
1133 | |
1134 | |
1135 void java_lang_Throwable::print(oop throwable, outputStream* st) { | |
1136 ResourceMark rm; | |
1137 klassOop k = throwable->klass(); | |
1138 assert(k != NULL, "just checking"); | |
1139 st->print("%s", instanceKlass::cast(k)->external_name()); | |
1140 oop msg = message(throwable); | |
1141 if (msg != NULL) { | |
1142 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
1143 } | |
1144 } | |
1145 | |
1146 | |
1147 void java_lang_Throwable::print(Handle throwable, outputStream* st) { | |
1148 ResourceMark rm; | |
1149 klassOop k = throwable->klass(); | |
1150 assert(k != NULL, "just checking"); | |
1151 st->print("%s", instanceKlass::cast(k)->external_name()); | |
1152 oop msg = message(throwable); | |
1153 if (msg != NULL) { | |
1154 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
1155 } | |
1156 } | |
1157 | |
1158 // Print stack trace element to resource allocated buffer | |
1159 char* java_lang_Throwable::print_stack_element_to_buffer(methodOop method, int bci) { | |
1160 // Get strings and string lengths | |
1161 instanceKlass* klass = instanceKlass::cast(method->method_holder()); | |
1162 const char* klass_name = klass->external_name(); | |
1163 int buf_len = (int)strlen(klass_name); | |
1164 char* source_file_name; | |
1165 if (klass->source_file_name() == NULL) { | |
1166 source_file_name = NULL; | |
1167 } else { | |
1168 source_file_name = klass->source_file_name()->as_C_string(); | |
1169 buf_len += (int)strlen(source_file_name); | |
1170 } | |
1171 char* method_name = method->name()->as_C_string(); | |
1172 buf_len += (int)strlen(method_name); | |
1173 | |
1174 // Allocate temporary buffer with extra space for formatting and line number | |
1175 char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); | |
1176 | |
1177 // Print stack trace line in buffer | |
1178 sprintf(buf, "\tat %s.%s", klass_name, method_name); | |
1179 if (method->is_native()) { | |
1180 strcat(buf, "(Native Method)"); | |
1181 } else { | |
1182 int line_number = method->line_number_from_bci(bci); | |
1183 if (source_file_name != NULL && (line_number != -1)) { | |
1184 // Sourcename and linenumber | |
1185 sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number); | |
1186 } else if (source_file_name != NULL) { | |
1187 // Just sourcename | |
1188 sprintf(buf + (int)strlen(buf), "(%s)", source_file_name); | |
1189 } else { | |
1190 // Neither soucename and linenumber | |
1191 sprintf(buf + (int)strlen(buf), "(Unknown Source)"); | |
1192 } | |
1193 nmethod* nm = method->code(); | |
1194 if (WizardMode && nm != NULL) { | |
3960 | 1195 sprintf(buf + (int)strlen(buf), "(nmethod " INTPTR_FORMAT ")", (intptr_t)nm); |
0 | 1196 } |
1197 } | |
1198 | |
1199 return buf; | |
1200 } | |
1201 | |
1202 | |
1203 void java_lang_Throwable::print_stack_element(Handle stream, methodOop method, int bci) { | |
1204 ResourceMark rm; | |
1205 char* buf = print_stack_element_to_buffer(method, bci); | |
1206 print_to_stream(stream, buf); | |
1207 } | |
1208 | |
1209 void java_lang_Throwable::print_stack_element(outputStream *st, methodOop method, int bci) { | |
1210 ResourceMark rm; | |
1211 char* buf = print_stack_element_to_buffer(method, bci); | |
1212 st->print_cr("%s", buf); | |
1213 } | |
1214 | |
1215 void java_lang_Throwable::print_to_stream(Handle stream, const char* str) { | |
1216 if (stream.is_null()) { | |
1217 tty->print_cr("%s", str); | |
1218 } else { | |
1219 EXCEPTION_MARK; | |
1220 JavaValue result(T_VOID); | |
1221 Handle arg (THREAD, oopFactory::new_charArray(str, THREAD)); | |
1222 if (!HAS_PENDING_EXCEPTION) { | |
1223 JavaCalls::call_virtual(&result, | |
1224 stream, | |
1225 KlassHandle(THREAD, stream->klass()), | |
2177
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6990754: Use native memory and reference counting to implement SymbolTable
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1989
diff
changeset
|
1226 vmSymbols::println_name(), |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
1227 vmSymbols::char_array_void_signature(), |
0 | 1228 arg, |
1229 THREAD); | |
1230 } | |
1231 // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. | |
1232 if (HAS_PENDING_EXCEPTION) CLEAR_PENDING_EXCEPTION; | |
1233 } | |
1234 | |
1235 } | |
1236 | |
1237 | |
1238 const char* java_lang_Throwable::no_stack_trace_message() { | |
1239 return "\t<<no stack trace available>>"; | |
1240 } | |
1241 | |
1242 | |
1243 // Currently used only for exceptions occurring during startup | |
1244 void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) { | |
1245 Thread *THREAD = Thread::current(); | |
1246 Handle h_throwable(THREAD, throwable); | |
1247 while (h_throwable.not_null()) { | |
1248 objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable()))); | |
1249 if (result.is_null()) { | |
1250 st->print_cr(no_stack_trace_message()); | |
1251 return; | |
1252 } | |
1253 | |
1254 while (result.not_null()) { | |
1255 objArrayHandle methods (THREAD, | |
1256 objArrayOop(result->obj_at(trace_methods_offset))); | |
1257 typeArrayHandle bcis (THREAD, | |
1258 typeArrayOop(result->obj_at(trace_bcis_offset))); | |
1259 | |
1260 if (methods.is_null() || bcis.is_null()) { | |
1261 st->print_cr(no_stack_trace_message()); | |
1262 return; | |
1263 } | |
1264 | |
1265 int length = methods()->length(); | |
1266 for (int index = 0; index < length; index++) { | |
1267 methodOop method = methodOop(methods()->obj_at(index)); | |
1268 if (method == NULL) goto handle_cause; | |
1269 int bci = bcis->ushort_at(index); | |
1270 print_stack_element(st, method, bci); | |
1271 } | |
1272 result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset))); | |
1273 } | |
1274 handle_cause: | |
1275 { | |
1276 EXCEPTION_MARK; | |
1277 JavaValue result(T_OBJECT); | |
1278 JavaCalls::call_virtual(&result, | |
1279 h_throwable, | |
1280 KlassHandle(THREAD, h_throwable->klass()), | |
2177
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1989
diff
changeset
|
1281 vmSymbols::getCause_name(), |
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|
1282 vmSymbols::void_throwable_signature(), |
0 | 1283 THREAD); |
1284 // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. | |
1285 if (HAS_PENDING_EXCEPTION) { | |
1286 CLEAR_PENDING_EXCEPTION; | |
1287 h_throwable = Handle(); | |
1288 } else { | |
1289 h_throwable = Handle(THREAD, (oop) result.get_jobject()); | |
1290 if (h_throwable.not_null()) { | |
1291 st->print("Caused by: "); | |
1292 print(h_throwable, st); | |
1293 st->cr(); | |
1294 } | |
1295 } | |
1296 } | |
1297 } | |
1298 } | |
1299 | |
1300 | |
1301 void java_lang_Throwable::print_stack_trace(oop throwable, oop print_stream) { | |
1302 // Note: this is no longer used in Merlin, but we support it for compatibility. | |
1303 Thread *thread = Thread::current(); | |
1304 Handle stream(thread, print_stream); | |
1305 objArrayHandle result (thread, objArrayOop(backtrace(throwable))); | |
1306 if (result.is_null()) { | |
1307 print_to_stream(stream, no_stack_trace_message()); | |
1308 return; | |
1309 } | |
1310 | |
1311 while (result.not_null()) { | |
1312 objArrayHandle methods (thread, | |
1313 objArrayOop(result->obj_at(trace_methods_offset))); | |
1314 typeArrayHandle bcis (thread, | |
1315 typeArrayOop(result->obj_at(trace_bcis_offset))); | |
1316 | |
1317 if (methods.is_null() || bcis.is_null()) { | |
1318 print_to_stream(stream, no_stack_trace_message()); | |
1319 return; | |
1320 } | |
1321 | |
1322 int length = methods()->length(); | |
1323 for (int index = 0; index < length; index++) { | |
1324 methodOop method = methodOop(methods()->obj_at(index)); | |
1325 if (method == NULL) return; | |
1326 int bci = bcis->ushort_at(index); | |
1327 print_stack_element(stream, method, bci); | |
1328 } | |
1329 result = objArrayHandle(thread, objArrayOop(result->obj_at(trace_next_offset))); | |
1330 } | |
1331 } | |
1332 | |
1333 // This class provides a simple wrapper over the internal structure of | |
1334 // exception backtrace to insulate users of the backtrace from needing | |
1335 // to know what it looks like. | |
1336 class BacktraceBuilder: public StackObj { | |
1337 private: | |
1338 Handle _backtrace; | |
1339 objArrayOop _head; | |
1340 objArrayOop _methods; | |
1341 typeArrayOop _bcis; | |
1342 int _index; | |
1343 No_Safepoint_Verifier _nsv; | |
1344 | |
1345 public: | |
1346 | |
1347 enum { | |
1348 trace_methods_offset = java_lang_Throwable::trace_methods_offset, | |
1349 trace_bcis_offset = java_lang_Throwable::trace_bcis_offset, | |
1350 trace_next_offset = java_lang_Throwable::trace_next_offset, | |
1351 trace_size = java_lang_Throwable::trace_size, | |
1352 trace_chunk_size = java_lang_Throwable::trace_chunk_size | |
1353 }; | |
1354 | |
1355 // constructor for new backtrace | |
3770
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6918185: Remove unused code for lost card-marking optimization in BacktraceBuilder
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diff
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1356 BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL) { |
0 | 1357 expand(CHECK); |
1358 _backtrace = _head; | |
1359 _index = 0; | |
1360 } | |
1361 | |
1362 void expand(TRAPS) { | |
1363 objArrayHandle old_head(THREAD, _head); | |
1364 Pause_No_Safepoint_Verifier pnsv(&_nsv); | |
1365 | |
1366 objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK); | |
1367 objArrayHandle new_head(THREAD, head); | |
1368 | |
1369 objArrayOop methods = oopFactory::new_objectArray(trace_chunk_size, CHECK); | |
1370 objArrayHandle new_methods(THREAD, methods); | |
1371 | |
1372 typeArrayOop bcis = oopFactory::new_shortArray(trace_chunk_size, CHECK); | |
1373 typeArrayHandle new_bcis(THREAD, bcis); | |
1374 | |
1375 if (!old_head.is_null()) { | |
1376 old_head->obj_at_put(trace_next_offset, new_head()); | |
1377 } | |
1378 new_head->obj_at_put(trace_methods_offset, new_methods()); | |
1379 new_head->obj_at_put(trace_bcis_offset, new_bcis()); | |
1380 | |
1381 _head = new_head(); | |
1382 _methods = new_methods(); | |
1383 _bcis = new_bcis(); | |
1384 _index = 0; | |
1385 } | |
1386 | |
1387 oop backtrace() { | |
1388 return _backtrace(); | |
1389 } | |
1390 | |
4817
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diff
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1391 inline void push(methodOop method, int bci, TRAPS) { |
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|
1392 // Smear the -1 bci to 0 since the array only holds unsigned |
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|
1393 // shorts. The later line number lookup would just smear the -1 |
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1394 // to a 0 even if it could be recorded. |
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1395 if (bci == SynchronizationEntryBCI) bci = 0; |
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diff
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|
1396 assert(bci == (jushort)bci, "doesn't fit"); |
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diff
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|
1397 |
0 | 1398 if (_index >= trace_chunk_size) { |
1399 methodHandle mhandle(THREAD, method); | |
1400 expand(CHECK); | |
1401 method = mhandle(); | |
1402 } | |
1403 | |
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6484c4ee11cb
6904516: More object array barrier fixes, following up on 6906727
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1142
diff
changeset
|
1404 _methods->obj_at_put(_index, method); |
0 | 1405 _bcis->ushort_at_put(_index, bci); |
1406 _index++; | |
1407 } | |
1408 | |
1409 methodOop current_method() { | |
1410 assert(_index >= 0 && _index < trace_chunk_size, "out of range"); | |
1411 return methodOop(_methods->obj_at(_index)); | |
1412 } | |
1413 | |
1414 jushort current_bci() { | |
1415 assert(_index >= 0 && _index < trace_chunk_size, "out of range"); | |
1416 return _bcis->ushort_at(_index); | |
1417 } | |
1418 }; | |
1419 | |
1420 | |
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01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
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|
1421 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) { |
0 | 1422 if (!StackTraceInThrowable) return; |
1423 ResourceMark rm(THREAD); | |
1424 | |
1425 // Start out by clearing the backtrace for this object, in case the VM | |
1426 // runs out of memory while allocating the stack trace | |
1427 set_backtrace(throwable(), NULL); | |
1428 if (JDK_Version::is_gte_jdk14x_version()) { | |
1429 // New since 1.4, clear lazily constructed Java level stacktrace if | |
1430 // refilling occurs | |
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0b80db433fcb
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3795
diff
changeset
|
1431 // This is unnecessary in 1.7+ but harmless |
0 | 1432 clear_stacktrace(throwable()); |
1433 } | |
1434 | |
1435 int max_depth = MaxJavaStackTraceDepth; | |
1436 JavaThread* thread = (JavaThread*)THREAD; | |
1437 BacktraceBuilder bt(CHECK); | |
1438 | |
3272
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
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2477
diff
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|
1439 // If there is no Java frame just return the method that was being called |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
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diff
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|
1440 // with bci 0 |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
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diff
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|
1441 if (!thread->has_last_Java_frame()) { |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
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2477
diff
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|
1442 if (max_depth >= 1 && method() != NULL) { |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
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diff
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|
1443 bt.push(method(), 0, CHECK); |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
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2477
diff
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|
1444 set_backtrace(throwable(), bt.backtrace()); |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
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2477
diff
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|
1445 } |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
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2477
diff
changeset
|
1446 return; |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
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2477
diff
changeset
|
1447 } |
01147d8aac1d
7009923: JSR 292: VM crash in JavaThread::last_frame
coleenp
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2477
diff
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|
1448 |
0 | 1449 // Instead of using vframe directly, this version of fill_in_stack_trace |
1450 // basically handles everything by hand. This significantly improved the | |
1451 // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows. | |
1452 // See bug 6333838 for more details. | |
1453 // The "ASSERT" here is to verify this method generates the exactly same stack | |
1454 // trace as utilizing vframe. | |
1455 #ifdef ASSERT | |
1456 vframeStream st(thread); | |
1457 methodHandle st_method(THREAD, st.method()); | |
1458 #endif | |
1459 int total_count = 0; | |
1460 RegisterMap map(thread, false); | |
1461 int decode_offset = 0; | |
1462 nmethod* nm = NULL; | |
1463 bool skip_fillInStackTrace_check = false; | |
1464 bool skip_throwableInit_check = false; | |
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7187290: nightly failures after JSR 292 lazy method handle update
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6266
diff
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|
1465 bool skip_hidden = !ShowHiddenFrames; |
0 | 1466 |
1467 for (frame fr = thread->last_frame(); max_depth != total_count;) { | |
1468 methodOop method = NULL; | |
1469 int bci = 0; | |
1470 | |
1471 // Compiled java method case. | |
1472 if (decode_offset != 0) { | |
1473 DebugInfoReadStream stream(nm, decode_offset); | |
1474 decode_offset = stream.read_int(); | |
1475 method = (methodOop)nm->oop_at(stream.read_int()); | |
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72088be4b386
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
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parents:
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diff
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|
1476 bci = stream.read_bci(); |
0 | 1477 } else { |
1478 if (fr.is_first_frame()) break; | |
1479 address pc = fr.pc(); | |
1480 if (fr.is_interpreted_frame()) { | |
1481 intptr_t bcx = fr.interpreter_frame_bcx(); | |
1482 method = fr.interpreter_frame_method(); | |
1483 bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx); | |
1484 fr = fr.sender(&map); | |
1485 } else { | |
1486 CodeBlob* cb = fr.cb(); | |
1487 // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL | |
1488 // but non nmethod | |
1489 fr = fr.sender(&map); | |
1490 if (cb == NULL || !cb->is_nmethod()) { | |
1491 continue; | |
1492 } | |
1493 nm = (nmethod*)cb; | |
1494 if (nm->method()->is_native()) { | |
1495 method = nm->method(); | |
1496 bci = 0; | |
1497 } else { | |
1498 PcDesc* pd = nm->pc_desc_at(pc); | |
1499 decode_offset = pd->scope_decode_offset(); | |
1500 // if decode_offset is not equal to 0, it will execute the | |
1501 // "compiled java method case" at the beginning of the loop. | |
1502 continue; | |
1503 } | |
1504 } | |
1505 } | |
1506 #ifdef ASSERT | |
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6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
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2379
diff
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1507 assert(st_method() == method && st.bci() == bci, |
6a615eae2f34
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2379
diff
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|
1508 "Wrong stack trace"); |
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
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2379
diff
changeset
|
1509 st.next(); |
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7034585: Adjust fillInStackTrace filtering to assist 6998871
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diff
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|
1510 // vframeStream::method isn't GC-safe so store off a copy |
6a615eae2f34
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diff
changeset
|
1511 // of the methodOop in case we GC. |
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2379
diff
changeset
|
1512 if (!st.at_end()) { |
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2379
diff
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|
1513 st_method = st.method(); |
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|
1514 } |
0 | 1515 #endif |
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|
1516 |
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|
1517 // the format of the stacktrace will be: |
6a615eae2f34
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diff
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|
1518 // - 1 or more fillInStackTrace frames for the exception class (skipped) |
6a615eae2f34
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diff
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|
1519 // - 0 or more <init> methods for the exception class (skipped) |
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diff
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|
1520 // - rest of the stack |
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diff
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|
1521 |
0 | 1522 if (!skip_fillInStackTrace_check) { |
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diff
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|
1523 if ((method->name() == vmSymbols::fillInStackTrace_name() || |
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
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2379
diff
changeset
|
1524 method->name() == vmSymbols::fillInStackTrace0_name()) && |
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
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2379
diff
changeset
|
1525 throwable->is_a(method->method_holder())) { |
0 | 1526 continue; |
1527 } | |
2476
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
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parents:
2379
diff
changeset
|
1528 else { |
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
dholmes
parents:
2379
diff
changeset
|
1529 skip_fillInStackTrace_check = true; // gone past them all |
6a615eae2f34
7034585: Adjust fillInStackTrace filtering to assist 6998871
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2379
diff
changeset
|
1530 } |
0 | 1531 } |
1532 if (!skip_throwableInit_check) { | |
2476
6a615eae2f34
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diff
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|
1533 assert(skip_fillInStackTrace_check, "logic error in backtrace filtering"); |
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dholmes
parents:
2379
diff
changeset
|
1534 |
6a615eae2f34
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2379
diff
changeset
|
1535 // skip <init> methods of the exception class and superclasses |
6a615eae2f34
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2379
diff
changeset
|
1536 // This is simlar to classic VM. |
0 | 1537 if (method->name() == vmSymbols::object_initializer_name() && |
1538 throwable->is_a(method->method_holder())) { | |
1539 continue; | |
1540 } else { | |
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1541 // there are none or we've seen them all - either way stop checking |
0 | 1542 skip_throwableInit_check = true; |
1543 } | |
1544 } | |
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1545 if (method->is_hidden()) { |
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1546 if (skip_hidden) continue; |
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1547 } |
0 | 1548 bt.push(method, bci, CHECK); |
1549 total_count++; | |
1550 } | |
1551 | |
1552 // Put completed stack trace into throwable object | |
1553 set_backtrace(throwable(), bt.backtrace()); | |
1554 } | |
1555 | |
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1556 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) { |
0 | 1557 // No-op if stack trace is disabled |
1558 if (!StackTraceInThrowable) { | |
1559 return; | |
1560 } | |
1561 | |
1562 // Disable stack traces for some preallocated out of memory errors | |
1563 if (!Universe::should_fill_in_stack_trace(throwable)) { | |
1564 return; | |
1565 } | |
1566 | |
1567 PRESERVE_EXCEPTION_MARK; | |
1568 | |
1569 JavaThread* thread = JavaThread::active(); | |
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1570 fill_in_stack_trace(throwable, method, thread); |
0 | 1571 // ignore exceptions thrown during stack trace filling |
1572 CLEAR_PENDING_EXCEPTION; | |
1573 } | |
1574 | |
1575 void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) { | |
1576 // Allocate stack trace - backtrace is created but not filled in | |
1577 | |
1578 // No-op if stack trace is disabled | |
1579 if (!StackTraceInThrowable) return; | |
1580 | |
1581 objArrayOop h_oop = oopFactory::new_objectArray(trace_size, CHECK); | |
1582 objArrayHandle backtrace (THREAD, h_oop); | |
1583 objArrayOop m_oop = oopFactory::new_objectArray(trace_chunk_size, CHECK); | |
1584 objArrayHandle methods (THREAD, m_oop); | |
1585 typeArrayOop b = oopFactory::new_shortArray(trace_chunk_size, CHECK); | |
1586 typeArrayHandle bcis(THREAD, b); | |
1587 | |
1588 // backtrace has space for one chunk (next is NULL) | |
1589 backtrace->obj_at_put(trace_methods_offset, methods()); | |
1590 backtrace->obj_at_put(trace_bcis_offset, bcis()); | |
1591 set_backtrace(throwable(), backtrace()); | |
1592 } | |
1593 | |
1594 | |
1595 void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) { | |
1596 // Fill in stack trace into preallocated backtrace (no GC) | |
1597 | |
1598 // No-op if stack trace is disabled | |
1599 if (!StackTraceInThrowable) return; | |
1600 | |
1142 | 1601 assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check"); |
0 | 1602 |
1603 oop backtrace = java_lang_Throwable::backtrace(throwable()); | |
1604 assert(backtrace != NULL, "backtrace not preallocated"); | |
1605 | |
1606 oop m = objArrayOop(backtrace)->obj_at(trace_methods_offset); | |
1607 objArrayOop methods = objArrayOop(m); | |
1608 assert(methods != NULL && methods->length() > 0, "method array not preallocated"); | |
1609 | |
1610 oop b = objArrayOop(backtrace)->obj_at(trace_bcis_offset); | |
1611 typeArrayOop bcis = typeArrayOop(b); | |
1612 assert(bcis != NULL, "bci array not preallocated"); | |
1613 | |
1614 assert(methods->length() == bcis->length(), "method and bci arrays should match"); | |
1615 | |
1616 JavaThread* thread = JavaThread::current(); | |
1617 ResourceMark rm(thread); | |
1618 vframeStream st(thread); | |
1619 | |
1620 // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init | |
1621 // methods as preallocated errors aren't created by "java" code. | |
1622 | |
1623 // fill in as much stack trace as possible | |
1624 int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth); | |
1625 int chunk_count = 0; | |
1626 | |
1627 for (;!st.at_end(); st.next()) { | |
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1628 // Add entry and smear the -1 bci to 0 since the array only holds |
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1629 // unsigned shorts. The later line number lookup would just smear |
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1630 // the -1 to a 0 even if it could be recorded. |
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1631 int bci = st.bci(); |
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1632 if (bci == SynchronizationEntryBCI) bci = 0; |
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|
1633 assert(bci == (jushort)bci, "doesn't fit"); |
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1634 bcis->ushort_at_put(chunk_count, bci); |
0 | 1635 methods->obj_at_put(chunk_count, st.method()); |
1636 | |
1637 chunk_count++; | |
1638 | |
1639 // Bail-out for deep stacks | |
1640 if (chunk_count >= max_chunks) break; | |
1641 } | |
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1642 |
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1643 // For Java 7+ we support the Throwable immutability protocol defined for Java 7. This support |
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1644 // was missing in 7u0 so in 7u0 there is a workaround in the Throwable class. That workaround |
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1645 // can be removed in a JDK using this JVM version |
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1646 if (JDK_Version::is_gte_jdk17x_version()) { |
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1647 java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace()); |
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1648 assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized"); |
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|
1649 } |
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|
1650 |
0 | 1651 } |
1652 | |
1653 | |
1654 int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) { | |
1655 if (throwable == NULL) { | |
1656 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
1657 } | |
1658 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
1659 int depth = 0; | |
1660 if (chunk != NULL) { | |
1661 // Iterate over chunks and count full ones | |
1662 while (true) { | |
1663 objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset)); | |
1664 if (next == NULL) break; | |
1665 depth += trace_chunk_size; | |
1666 chunk = next; | |
1667 } | |
1668 assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check"); | |
1669 // Count element in remaining partial chunk | |
1670 objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset)); | |
1671 typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); | |
1672 assert(methods != NULL && bcis != NULL, "sanity check"); | |
1673 for (int i = 0; i < methods->length(); i++) { | |
1674 if (methods->obj_at(i) == NULL) break; | |
1675 depth++; | |
1676 } | |
1677 } | |
1678 return depth; | |
1679 } | |
1680 | |
1681 | |
1682 oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) { | |
1683 if (throwable == NULL) { | |
1684 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
1685 } | |
1686 if (index < 0) { | |
1687 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
1688 } | |
1689 // Compute how many chunks to skip and index into actual chunk | |
1690 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
1691 int skip_chunks = index / trace_chunk_size; | |
1692 int chunk_index = index % trace_chunk_size; | |
1693 while (chunk != NULL && skip_chunks > 0) { | |
1694 chunk = objArrayOop(chunk->obj_at(trace_next_offset)); | |
1695 skip_chunks--; | |
1696 } | |
1697 if (chunk == NULL) { | |
1698 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
1699 } | |
1700 // Get method,bci from chunk | |
1701 objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset)); | |
1702 typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); | |
1703 assert(methods != NULL && bcis != NULL, "sanity check"); | |
1704 methodHandle method(THREAD, methodOop(methods->obj_at(chunk_index))); | |
1705 int bci = bcis->ushort_at(chunk_index); | |
1706 // Chunk can be partial full | |
1707 if (method.is_null()) { | |
1708 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
1709 } | |
1710 | |
1711 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_0); | |
1712 return element; | |
1713 } | |
1714 | |
1715 oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) { | |
1716 // SystemDictionary::stackTraceElement_klass() will be null for pre-1.4 JDKs | |
1717 assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); | |
1718 | |
1719 // Allocate java.lang.StackTraceElement instance | |
1142 | 1720 klassOop k = SystemDictionary::StackTraceElement_klass(); |
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1721 assert(k != NULL, "must be loaded in 1.4+"); |
0 | 1722 instanceKlassHandle ik (THREAD, k); |
1723 if (ik->should_be_initialized()) { | |
1724 ik->initialize(CHECK_0); | |
1725 } | |
1726 | |
1727 Handle element = ik->allocate_instance_handle(CHECK_0); | |
1728 // Fill in class name | |
1729 ResourceMark rm(THREAD); | |
1730 const char* str = instanceKlass::cast(method->method_holder())->external_name(); | |
1731 oop classname = StringTable::intern((char*) str, CHECK_0); | |
1732 java_lang_StackTraceElement::set_declaringClass(element(), classname); | |
1733 // Fill in method name | |
1734 oop methodname = StringTable::intern(method->name(), CHECK_0); | |
1735 java_lang_StackTraceElement::set_methodName(element(), methodname); | |
1736 // Fill in source file name | |
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|
1737 Symbol* source = instanceKlass::cast(method->method_holder())->source_file_name(); |
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1738 if (ShowHiddenFrames && source == NULL) |
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1739 source = vmSymbols::unknown_class_name(); |
0 | 1740 oop filename = StringTable::intern(source, CHECK_0); |
1741 java_lang_StackTraceElement::set_fileName(element(), filename); | |
1742 // File in source line number | |
1743 int line_number; | |
1744 if (method->is_native()) { | |
1745 // Negative value different from -1 below, enabling Java code in | |
1746 // class java.lang.StackTraceElement to distinguish "native" from | |
1747 // "no LineNumberTable". | |
1748 line_number = -2; | |
1749 } else { | |
1750 // Returns -1 if no LineNumberTable, and otherwise actual line number | |
1751 line_number = method->line_number_from_bci(bci); | |
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1752 if (line_number == -1 && ShowHiddenFrames) { |
1d7922586cf6
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|
1753 line_number = bci + 1000000; |
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|
1754 } |
0 | 1755 } |
1756 java_lang_StackTraceElement::set_lineNumber(element(), line_number); | |
1757 | |
1758 return element(); | |
1759 } | |
1760 | |
1761 | |
1762 void java_lang_reflect_AccessibleObject::compute_offsets() { | |
1142 | 1763 klassOop k = SystemDictionary::reflect_AccessibleObject_klass(); |
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1764 compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature()); |
0 | 1765 } |
1766 | |
1767 jboolean java_lang_reflect_AccessibleObject::override(oop reflect) { | |
1768 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1769 return (jboolean) reflect->bool_field(override_offset); | |
1770 } | |
1771 | |
1772 void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) { | |
1773 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1774 reflect->bool_field_put(override_offset, (int) value); | |
1775 } | |
1776 | |
1777 void java_lang_reflect_Method::compute_offsets() { | |
1142 | 1778 klassOop k = SystemDictionary::reflect_Method_klass(); |
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1779 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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|
1780 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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|
1781 compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature()); |
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1782 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
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1783 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
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1784 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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1785 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
0 | 1786 // The generic signature and annotations fields are only present in 1.5 |
1787 signature_offset = -1; | |
1788 annotations_offset = -1; | |
1789 parameter_annotations_offset = -1; | |
1790 annotation_default_offset = -1; | |
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1791 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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1792 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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|
1793 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
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|
1794 compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature()); |
0 | 1795 } |
1796 | |
1797 Handle java_lang_reflect_Method::create(TRAPS) { | |
1798 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1142 | 1799 klassOop klass = SystemDictionary::reflect_Method_klass(); |
0 | 1800 // This class is eagerly initialized during VM initialization, since we keep a refence |
1801 // to one of the methods | |
1802 assert(instanceKlass::cast(klass)->is_initialized(), "must be initialized"); | |
1803 return instanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH); | |
1804 } | |
1805 | |
1806 oop java_lang_reflect_Method::clazz(oop reflect) { | |
1807 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1808 return reflect->obj_field(clazz_offset); | |
1809 } | |
1810 | |
1811 void java_lang_reflect_Method::set_clazz(oop reflect, oop value) { | |
1812 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1813 reflect->obj_field_put(clazz_offset, value); | |
1814 } | |
1815 | |
1816 int java_lang_reflect_Method::slot(oop reflect) { | |
1817 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1818 return reflect->int_field(slot_offset); | |
1819 } | |
1820 | |
1821 void java_lang_reflect_Method::set_slot(oop reflect, int value) { | |
1822 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1823 reflect->int_field_put(slot_offset, value); | |
1824 } | |
1825 | |
1826 oop java_lang_reflect_Method::name(oop method) { | |
1827 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1828 return method->obj_field(name_offset); | |
1829 } | |
1830 | |
1831 void java_lang_reflect_Method::set_name(oop method, oop value) { | |
1832 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1833 method->obj_field_put(name_offset, value); | |
1834 } | |
1835 | |
1836 oop java_lang_reflect_Method::return_type(oop method) { | |
1837 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1838 return method->obj_field(returnType_offset); | |
1839 } | |
1840 | |
1841 void java_lang_reflect_Method::set_return_type(oop method, oop value) { | |
1842 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1843 method->obj_field_put(returnType_offset, value); | |
1844 } | |
1845 | |
1846 oop java_lang_reflect_Method::parameter_types(oop method) { | |
1847 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1848 return method->obj_field(parameterTypes_offset); | |
1849 } | |
1850 | |
1851 void java_lang_reflect_Method::set_parameter_types(oop method, oop value) { | |
1852 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1853 method->obj_field_put(parameterTypes_offset, value); | |
1854 } | |
1855 | |
1856 oop java_lang_reflect_Method::exception_types(oop method) { | |
1857 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1858 return method->obj_field(exceptionTypes_offset); | |
1859 } | |
1860 | |
1861 void java_lang_reflect_Method::set_exception_types(oop method, oop value) { | |
1862 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1863 method->obj_field_put(exceptionTypes_offset, value); | |
1864 } | |
1865 | |
1866 int java_lang_reflect_Method::modifiers(oop method) { | |
1867 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1868 return method->int_field(modifiers_offset); | |
1869 } | |
1870 | |
1871 void java_lang_reflect_Method::set_modifiers(oop method, int value) { | |
1872 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1873 method->int_field_put(modifiers_offset, value); | |
1874 } | |
1875 | |
1876 bool java_lang_reflect_Method::has_signature_field() { | |
1877 return (signature_offset >= 0); | |
1878 } | |
1879 | |
1880 oop java_lang_reflect_Method::signature(oop method) { | |
1881 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1882 assert(has_signature_field(), "signature field must be present"); | |
1883 return method->obj_field(signature_offset); | |
1884 } | |
1885 | |
1886 void java_lang_reflect_Method::set_signature(oop method, oop value) { | |
1887 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1888 assert(has_signature_field(), "signature field must be present"); | |
1889 method->obj_field_put(signature_offset, value); | |
1890 } | |
1891 | |
1892 bool java_lang_reflect_Method::has_annotations_field() { | |
1893 return (annotations_offset >= 0); | |
1894 } | |
1895 | |
1896 oop java_lang_reflect_Method::annotations(oop method) { | |
1897 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1898 assert(has_annotations_field(), "annotations field must be present"); | |
1899 return method->obj_field(annotations_offset); | |
1900 } | |
1901 | |
1902 void java_lang_reflect_Method::set_annotations(oop method, oop value) { | |
1903 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1904 assert(has_annotations_field(), "annotations field must be present"); | |
1905 method->obj_field_put(annotations_offset, value); | |
1906 } | |
1907 | |
1908 bool java_lang_reflect_Method::has_parameter_annotations_field() { | |
1909 return (parameter_annotations_offset >= 0); | |
1910 } | |
1911 | |
1912 oop java_lang_reflect_Method::parameter_annotations(oop method) { | |
1913 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1914 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
1915 return method->obj_field(parameter_annotations_offset); | |
1916 } | |
1917 | |
1918 void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) { | |
1919 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1920 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
1921 method->obj_field_put(parameter_annotations_offset, value); | |
1922 } | |
1923 | |
1924 bool java_lang_reflect_Method::has_annotation_default_field() { | |
1925 return (annotation_default_offset >= 0); | |
1926 } | |
1927 | |
1928 oop java_lang_reflect_Method::annotation_default(oop method) { | |
1929 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1930 assert(has_annotation_default_field(), "annotation default field must be present"); | |
1931 return method->obj_field(annotation_default_offset); | |
1932 } | |
1933 | |
1934 void java_lang_reflect_Method::set_annotation_default(oop method, oop value) { | |
1935 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1936 assert(has_annotation_default_field(), "annotation default field must be present"); | |
1937 method->obj_field_put(annotation_default_offset, value); | |
1938 } | |
1939 | |
1940 void java_lang_reflect_Constructor::compute_offsets() { | |
1142 | 1941 klassOop k = SystemDictionary::reflect_Constructor_klass(); |
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1942 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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1943 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
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1944 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
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1945 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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1946 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
0 | 1947 // The generic signature and annotations fields are only present in 1.5 |
1948 signature_offset = -1; | |
1949 annotations_offset = -1; | |
1950 parameter_annotations_offset = -1; | |
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1951 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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1952 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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1953 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
0 | 1954 } |
1955 | |
1956 Handle java_lang_reflect_Constructor::create(TRAPS) { | |
1957 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2177
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1958 Symbol* name = vmSymbols::java_lang_reflect_Constructor(); |
0 | 1959 klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
1960 instanceKlassHandle klass (THREAD, k); | |
1961 // Ensure it is initialized | |
1962 klass->initialize(CHECK_NH); | |
1963 return klass->allocate_instance_handle(CHECK_NH); | |
1964 } | |
1965 | |
1966 oop java_lang_reflect_Constructor::clazz(oop reflect) { | |
1967 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1968 return reflect->obj_field(clazz_offset); | |
1969 } | |
1970 | |
1971 void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) { | |
1972 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1973 reflect->obj_field_put(clazz_offset, value); | |
1974 } | |
1975 | |
1976 oop java_lang_reflect_Constructor::parameter_types(oop constructor) { | |
1977 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1978 return constructor->obj_field(parameterTypes_offset); | |
1979 } | |
1980 | |
1981 void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) { | |
1982 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1983 constructor->obj_field_put(parameterTypes_offset, value); | |
1984 } | |
1985 | |
1986 oop java_lang_reflect_Constructor::exception_types(oop constructor) { | |
1987 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1988 return constructor->obj_field(exceptionTypes_offset); | |
1989 } | |
1990 | |
1991 void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) { | |
1992 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1993 constructor->obj_field_put(exceptionTypes_offset, value); | |
1994 } | |
1995 | |
1996 int java_lang_reflect_Constructor::slot(oop reflect) { | |
1997 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1998 return reflect->int_field(slot_offset); | |
1999 } | |
2000 | |
2001 void java_lang_reflect_Constructor::set_slot(oop reflect, int value) { | |
2002 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2003 reflect->int_field_put(slot_offset, value); | |
2004 } | |
2005 | |
2006 int java_lang_reflect_Constructor::modifiers(oop constructor) { | |
2007 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2008 return constructor->int_field(modifiers_offset); | |
2009 } | |
2010 | |
2011 void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) { | |
2012 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2013 constructor->int_field_put(modifiers_offset, value); | |
2014 } | |
2015 | |
2016 bool java_lang_reflect_Constructor::has_signature_field() { | |
2017 return (signature_offset >= 0); | |
2018 } | |
2019 | |
2020 oop java_lang_reflect_Constructor::signature(oop constructor) { | |
2021 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2022 assert(has_signature_field(), "signature field must be present"); | |
2023 return constructor->obj_field(signature_offset); | |
2024 } | |
2025 | |
2026 void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) { | |
2027 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2028 assert(has_signature_field(), "signature field must be present"); | |
2029 constructor->obj_field_put(signature_offset, value); | |
2030 } | |
2031 | |
2032 bool java_lang_reflect_Constructor::has_annotations_field() { | |
2033 return (annotations_offset >= 0); | |
2034 } | |
2035 | |
2036 oop java_lang_reflect_Constructor::annotations(oop constructor) { | |
2037 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2038 assert(has_annotations_field(), "annotations field must be present"); | |
2039 return constructor->obj_field(annotations_offset); | |
2040 } | |
2041 | |
2042 void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) { | |
2043 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2044 assert(has_annotations_field(), "annotations field must be present"); | |
2045 constructor->obj_field_put(annotations_offset, value); | |
2046 } | |
2047 | |
2048 bool java_lang_reflect_Constructor::has_parameter_annotations_field() { | |
2049 return (parameter_annotations_offset >= 0); | |
2050 } | |
2051 | |
2052 oop java_lang_reflect_Constructor::parameter_annotations(oop method) { | |
2053 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2054 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
2055 return method->obj_field(parameter_annotations_offset); | |
2056 } | |
2057 | |
2058 void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) { | |
2059 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2060 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
2061 method->obj_field_put(parameter_annotations_offset, value); | |
2062 } | |
2063 | |
2064 void java_lang_reflect_Field::compute_offsets() { | |
1142 | 2065 klassOop k = SystemDictionary::reflect_Field_klass(); |
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2066 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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2067 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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2068 compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature()); |
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2069 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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2070 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
0 | 2071 // The generic signature and annotations fields are only present in 1.5 |
2072 signature_offset = -1; | |
2073 annotations_offset = -1; | |
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2074 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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2075 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
0 | 2076 } |
2077 | |
2078 Handle java_lang_reflect_Field::create(TRAPS) { | |
2079 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2177
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2080 Symbol* name = vmSymbols::java_lang_reflect_Field(); |
0 | 2081 klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
2082 instanceKlassHandle klass (THREAD, k); | |
2083 // Ensure it is initialized | |
2084 klass->initialize(CHECK_NH); | |
2085 return klass->allocate_instance_handle(CHECK_NH); | |
2086 } | |
2087 | |
2088 oop java_lang_reflect_Field::clazz(oop reflect) { | |
2089 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2090 return reflect->obj_field(clazz_offset); | |
2091 } | |
2092 | |
2093 void java_lang_reflect_Field::set_clazz(oop reflect, oop value) { | |
2094 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2095 reflect->obj_field_put(clazz_offset, value); | |
2096 } | |
2097 | |
2098 oop java_lang_reflect_Field::name(oop field) { | |
2099 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2100 return field->obj_field(name_offset); | |
2101 } | |
2102 | |
2103 void java_lang_reflect_Field::set_name(oop field, oop value) { | |
2104 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2105 field->obj_field_put(name_offset, value); | |
2106 } | |
2107 | |
2108 oop java_lang_reflect_Field::type(oop field) { | |
2109 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2110 return field->obj_field(type_offset); | |
2111 } | |
2112 | |
2113 void java_lang_reflect_Field::set_type(oop field, oop value) { | |
2114 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2115 field->obj_field_put(type_offset, value); | |
2116 } | |
2117 | |
2118 int java_lang_reflect_Field::slot(oop reflect) { | |
2119 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2120 return reflect->int_field(slot_offset); | |
2121 } | |
2122 | |
2123 void java_lang_reflect_Field::set_slot(oop reflect, int value) { | |
2124 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2125 reflect->int_field_put(slot_offset, value); | |
2126 } | |
2127 | |
2128 int java_lang_reflect_Field::modifiers(oop field) { | |
2129 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2130 return field->int_field(modifiers_offset); | |
2131 } | |
2132 | |
2133 void java_lang_reflect_Field::set_modifiers(oop field, int value) { | |
2134 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2135 field->int_field_put(modifiers_offset, value); | |
2136 } | |
2137 | |
2138 bool java_lang_reflect_Field::has_signature_field() { | |
2139 return (signature_offset >= 0); | |
2140 } | |
2141 | |
2142 oop java_lang_reflect_Field::signature(oop field) { | |
2143 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2144 assert(has_signature_field(), "signature field must be present"); | |
2145 return field->obj_field(signature_offset); | |
2146 } | |
2147 | |
2148 void java_lang_reflect_Field::set_signature(oop field, oop value) { | |
2149 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2150 assert(has_signature_field(), "signature field must be present"); | |
2151 field->obj_field_put(signature_offset, value); | |
2152 } | |
2153 | |
2154 bool java_lang_reflect_Field::has_annotations_field() { | |
2155 return (annotations_offset >= 0); | |
2156 } | |
2157 | |
2158 oop java_lang_reflect_Field::annotations(oop field) { | |
2159 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2160 assert(has_annotations_field(), "annotations field must be present"); | |
2161 return field->obj_field(annotations_offset); | |
2162 } | |
2163 | |
2164 void java_lang_reflect_Field::set_annotations(oop field, oop value) { | |
2165 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2166 assert(has_annotations_field(), "annotations field must be present"); | |
2167 field->obj_field_put(annotations_offset, value); | |
2168 } | |
2169 | |
2170 | |
2171 void sun_reflect_ConstantPool::compute_offsets() { | |
1142 | 2172 klassOop k = SystemDictionary::reflect_ConstantPool_klass(); |
0 | 2173 // This null test can be removed post beta |
2174 if (k != NULL) { | |
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2175 compute_offset(_cp_oop_offset, k, vmSymbols::constantPoolOop_name(), vmSymbols::object_signature()); |
0 | 2176 } |
2177 } | |
2178 | |
2179 | |
2180 Handle sun_reflect_ConstantPool::create(TRAPS) { | |
2181 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1142 | 2182 klassOop k = SystemDictionary::reflect_ConstantPool_klass(); |
0 | 2183 instanceKlassHandle klass (THREAD, k); |
2184 // Ensure it is initialized | |
2185 klass->initialize(CHECK_NH); | |
2186 return klass->allocate_instance_handle(CHECK_NH); | |
2187 } | |
2188 | |
2189 | |
2190 oop sun_reflect_ConstantPool::cp_oop(oop reflect) { | |
2191 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2192 return reflect->obj_field(_cp_oop_offset); | |
2193 } | |
2194 | |
2195 | |
2196 void sun_reflect_ConstantPool::set_cp_oop(oop reflect, oop value) { | |
2197 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2198 reflect->obj_field_put(_cp_oop_offset, value); | |
2199 } | |
2200 | |
2201 void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() { | |
1142 | 2202 klassOop k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(); |
0 | 2203 // This null test can be removed post beta |
2204 if (k != NULL) { | |
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2205 compute_offset(_base_offset, k, |
0 | 2206 vmSymbols::base_name(), vmSymbols::object_signature()); |
2207 } | |
2208 } | |
2209 | |
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2210 oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) { |
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2211 klassOop k = SystemDictionary::box_klass(type); |
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2212 if (k == NULL) return NULL; |
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2213 instanceKlassHandle h (THREAD, k); |
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2214 if (!h->is_initialized()) h->initialize(CHECK_0); |
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2215 return h->allocate_instance(THREAD); |
0 | 2216 } |
2217 | |
2218 | |
2219 oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) { | |
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2220 oop box = initialize_and_allocate(type, CHECK_0); |
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2221 if (box == NULL) return NULL; |
0 | 2222 switch (type) { |
2223 case T_BOOLEAN: | |
2224 box->bool_field_put(value_offset, value->z); | |
2225 break; | |
2226 case T_CHAR: | |
2227 box->char_field_put(value_offset, value->c); | |
2228 break; | |
2229 case T_FLOAT: | |
2230 box->float_field_put(value_offset, value->f); | |
2231 break; | |
2232 case T_DOUBLE: | |
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2233 box->double_field_put(long_value_offset, value->d); |
0 | 2234 break; |
2235 case T_BYTE: | |
2236 box->byte_field_put(value_offset, value->b); | |
2237 break; | |
2238 case T_SHORT: | |
2239 box->short_field_put(value_offset, value->s); | |
2240 break; | |
2241 case T_INT: | |
2242 box->int_field_put(value_offset, value->i); | |
2243 break; | |
2244 case T_LONG: | |
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2245 box->long_field_put(long_value_offset, value->j); |
0 | 2246 break; |
2247 default: | |
2248 return NULL; | |
2249 } | |
2250 return box; | |
2251 } | |
2252 | |
2253 | |
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2254 BasicType java_lang_boxing_object::basic_type(oop box) { |
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2255 if (box == NULL) return T_ILLEGAL; |
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2256 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
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2257 if (type == T_OBJECT) // 'unknown' value returned by SD::bkt |
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2258 return T_ILLEGAL; |
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2259 return type; |
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2260 } |
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2261 |
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2262 |
0 | 2263 BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) { |
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2264 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
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|
2265 switch (type) { |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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113
diff
changeset
|
2266 case T_BOOLEAN: |
0 | 2267 value->z = box->bool_field(value_offset); |
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2268 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2269 case T_CHAR: |
0 | 2270 value->c = box->char_field(value_offset); |
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2271 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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113
diff
changeset
|
2272 case T_FLOAT: |
0 | 2273 value->f = box->float_field(value_offset); |
132
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2274 break; |
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2275 case T_DOUBLE: |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2276 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
|
2277 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2278 case T_BYTE: |
0 | 2279 value->b = box->byte_field(value_offset); |
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2280 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2281 case T_SHORT: |
0 | 2282 value->s = box->short_field(value_offset); |
132
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2283 break; |
60b728ec77c1
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jrose
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113
diff
changeset
|
2284 case T_INT: |
0 | 2285 value->i = box->int_field(value_offset); |
132
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2286 break; |
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2287 case T_LONG: |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2288 value->j = box->long_field(long_value_offset); |
132
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2289 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2290 default: |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2291 return T_ILLEGAL; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2292 } // end switch |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2293 return type; |
0 | 2294 } |
2295 | |
2296 | |
2297 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
|
2298 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2299 switch (type) { |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2300 case T_BOOLEAN: |
0 | 2301 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
|
2302 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2303 case T_CHAR: |
0 | 2304 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
|
2305 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2306 case T_FLOAT: |
0 | 2307 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
|
2308 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2309 case T_DOUBLE: |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2310 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
|
2311 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2312 case T_BYTE: |
0 | 2313 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
|
2314 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2315 case T_SHORT: |
0 | 2316 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
|
2317 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2318 case T_INT: |
0 | 2319 box->int_field_put(value_offset, value->i); |
132
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2320 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2321 case T_LONG: |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
2322 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
|
2323 break; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2324 default: |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2325 return T_ILLEGAL; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2326 } // end switch |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
2327 return type; |
0 | 2328 } |
2329 | |
2330 | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2331 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
|
2332 switch (type) { |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2333 case T_BOOLEAN: st->print("%s", value->z ? "true" : "false"); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2334 case T_CHAR: st->print("%d", value->c); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2335 case T_BYTE: st->print("%d", value->b); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2336 case T_SHORT: st->print("%d", value->s); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2337 case T_INT: st->print("%d", value->i); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2338 case T_LONG: st->print(INT64_FORMAT, value->j); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2339 case T_FLOAT: st->print("%f", value->f); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2340 case T_DOUBLE: st->print("%lf", value->d); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2341 default: st->print("type %d?", type); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2342 } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2343 } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2344 |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
579
diff
changeset
|
2345 |
0 | 2346 // Support for java_lang_ref_Reference |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2347 oop java_lang_ref_Reference::pending_list_lock() { |
1142 | 2348 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
|
2349 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
|
2350 if (UseCompressedOops) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2351 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
|
2352 } else { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2353 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
|
2354 } |
0 | 2355 } |
2356 | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2357 HeapWord *java_lang_ref_Reference::pending_list_addr() { |
1142 | 2358 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
|
2359 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
|
2360 // 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
|
2361 return (HeapWord*)addr; |
0 | 2362 } |
2363 | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2364 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
|
2365 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
|
2366 if (UseCompressedOops) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2367 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
|
2368 } else { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
98
diff
changeset
|
2369 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
|
2370 } |
0 | 2371 } |
2372 | |
2373 | |
2374 // Support for java_lang_ref_SoftReference | |
2375 | |
2376 jlong java_lang_ref_SoftReference::timestamp(oop ref) { | |
2377 return ref->long_field(timestamp_offset); | |
2378 } | |
2379 | |
2380 jlong java_lang_ref_SoftReference::clock() { | |
1142 | 2381 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
|
2382 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
|
2383 return *offset; |
0 | 2384 } |
2385 | |
2386 void java_lang_ref_SoftReference::set_clock(jlong value) { | |
1142 | 2387 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
|
2388 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
|
2389 *offset = value; |
0 | 2390 } |
2391 | |
2392 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2393 // Support for java_lang_invoke_MethodHandle |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2394 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2395 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
|
2396 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
|
2397 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2398 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
|
2399 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
|
2400 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
|
2401 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
|
2402 int java_lang_invoke_MemberName::_vmtarget_offset; |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2403 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
|
2404 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2405 int java_lang_invoke_LambdaForm::_vmentry_offset; |
3905
c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
3900
diff
changeset
|
2406 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2407 void java_lang_invoke_MethodHandle::compute_offsets() { |
3938 | 2408 klassOop klass_oop = SystemDictionary::MethodHandle_klass(); |
2409 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
|
2410 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
|
2411 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
|
2412 if (_form_offset == 0) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2413 EnableInvokeDynamic = false; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2414 } |
710 | 2415 } |
2416 } | |
2417 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2418 void java_lang_invoke_MemberName::compute_offsets() { |
3938 | 2419 klassOop klass_oop = SystemDictionary::MemberName_klass(); |
2420 if (klass_oop != NULL && EnableInvokeDynamic) { | |
2421 compute_offset(_clazz_offset, klass_oop, vmSymbols::clazz_name(), vmSymbols::class_signature()); | |
2422 compute_offset(_name_offset, klass_oop, vmSymbols::name_name(), vmSymbols::string_signature()); | |
2423 compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::object_signature()); | |
2424 compute_offset(_flags_offset, klass_oop, vmSymbols::flags_name(), vmSymbols::int_signature()); | |
2425 MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
710 | 2426 } |
2427 } | |
2428 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2429 void java_lang_invoke_LambdaForm::compute_offsets() { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2430 klassOop klass_oop = SystemDictionary::LambdaForm_klass(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2431 if (klass_oop != NULL && EnableInvokeDynamic) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2432 compute_offset(_vmentry_offset, klass_oop, vmSymbols::vmentry_name(), vmSymbols::java_lang_invoke_MemberName_signature()); |
710 | 2433 } |
2434 } | |
2435 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2436 oop java_lang_invoke_MethodHandle::type(oop mh) { |
710 | 2437 return mh->obj_field(_type_offset); |
2438 } | |
2439 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2440 void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) { |
710 | 2441 mh->obj_field_put(_type_offset, mtype); |
2442 } | |
2443 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
6224
diff
changeset
|
2444 oop java_lang_invoke_MethodHandle::form(oop mh) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
6224
diff
changeset
|
2445 assert(_form_offset != 0, ""); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
6224
diff
changeset
|
2446 return mh->obj_field(_form_offset); |
710 | 2447 } |
2448 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2449 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
|
2450 assert(_form_offset != 0, ""); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2451 mh->obj_field_put(_form_offset, lform); |
710 | 2452 } |
2453 | |
2454 /// MemberName accessors | |
2455 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2456 oop java_lang_invoke_MemberName::clazz(oop mname) { |
710 | 2457 assert(is_instance(mname), "wrong type"); |
2458 return mname->obj_field(_clazz_offset); | |
2459 } | |
2460 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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parents:
2356
diff
changeset
|
2461 void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) { |
710 | 2462 assert(is_instance(mname), "wrong type"); |
2463 mname->obj_field_put(_clazz_offset, clazz); | |
2464 } | |
2465 | |
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
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parents:
2356
diff
changeset
|
2466 oop java_lang_invoke_MemberName::name(oop mname) { |
710 | 2467 assert(is_instance(mname), "wrong type"); |
2468 return mname->obj_field(_name_offset); | |
2469 } | |
2470 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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parents:
2356
diff
changeset
|
2471 void java_lang_invoke_MemberName::set_name(oop mname, oop name) { |
710 | 2472 assert(is_instance(mname), "wrong type"); |
2473 mname->obj_field_put(_name_offset, name); | |
2474 } | |
2475 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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parents:
2356
diff
changeset
|
2476 oop java_lang_invoke_MemberName::type(oop mname) { |
710 | 2477 assert(is_instance(mname), "wrong type"); |
2478 return mname->obj_field(_type_offset); | |
2479 } | |
2480 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
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2356
diff
changeset
|
2481 void java_lang_invoke_MemberName::set_type(oop mname, oop type) { |
710 | 2482 assert(is_instance(mname), "wrong type"); |
2483 mname->obj_field_put(_type_offset, type); | |
2484 } | |
2485 | |
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
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2356
diff
changeset
|
2486 int java_lang_invoke_MemberName::flags(oop mname) { |
710 | 2487 assert(is_instance(mname), "wrong type"); |
2488 return mname->int_field(_flags_offset); | |
2489 } | |
2490 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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2356
diff
changeset
|
2491 void java_lang_invoke_MemberName::set_flags(oop mname, int flags) { |
710 | 2492 assert(is_instance(mname), "wrong type"); |
2493 mname->int_field_put(_flags_offset, flags); | |
2494 } | |
2495 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2496 oop java_lang_invoke_MemberName::vmtarget(oop mname) { |
710 | 2497 assert(is_instance(mname), "wrong type"); |
2498 return mname->obj_field(_vmtarget_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_MemberName::set_vmtarget(oop mname, oop ref) { |
710 | 2502 assert(is_instance(mname), "wrong type"); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
changeset
|
2503 #ifdef ASSERT |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2504 // 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
|
2505 if (ref != NULL) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2506 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
|
2507 MN_IS_CONSTRUCTOR | |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2508 MN_IS_FIELD)) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2509 case MN_IS_METHOD: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2510 case MN_IS_CONSTRUCTOR: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2511 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
|
2512 break; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2513 case MN_IS_FIELD: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2514 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
|
2515 break; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2516 default: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2517 ShouldNotReachHere(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2518 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2519 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2520 #endif //ASSERT |
710 | 2521 mname->obj_field_put(_vmtarget_offset, ref); |
2522 } | |
2523 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2524 intptr_t java_lang_invoke_MemberName::vmindex(oop mname) { |
710 | 2525 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
|
2526 return (intptr_t) mname->address_field(_vmindex_offset); |
710 | 2527 } |
2528 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2529 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
|
2530 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
|
2531 mname->address_field_put(_vmindex_offset, (address) index); |
710 | 2532 } |
2533 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2534 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
|
2535 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
|
2536 return lform->obj_field(_vmentry_offset); |
710 | 2537 } |
2538 | |
2539 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2540 // Support for java_lang_invoke_MethodType |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2541 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2542 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
|
2543 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
|
2544 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2545 void java_lang_invoke_MethodType::compute_offsets() { |
710 | 2546 klassOop k = SystemDictionary::MethodType_klass(); |
2547 if (k != NULL) { | |
2548 compute_offset(_rtype_offset, k, vmSymbols::rtype_name(), vmSymbols::class_signature()); | |
2549 compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature()); | |
2550 } | |
2551 } | |
2552 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2553 void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) { |
710 | 2554 st->print("("); |
2555 objArrayOop pts = ptypes(mt); | |
2556 for (int i = 0, limit = pts->length(); i < limit; i++) { | |
2557 java_lang_Class::print_signature(pts->obj_at(i), st); | |
2558 } | |
2559 st->print(")"); | |
2560 java_lang_Class::print_signature(rtype(mt), st); | |
2561 } | |
2562 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2563 Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) { |
710 | 2564 ResourceMark rm; |
2565 stringStream buffer(128); | |
2566 print_signature(mt, &buffer); | |
2567 const char* sigstr = buffer.base(); | |
2568 int siglen = (int) buffer.size(); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2569 Symbol *name; |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2570 if (!intern_if_not_found) { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2571 name = SymbolTable::probe(sigstr, siglen); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2572 } else { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2573 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2574 } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2575 return name; |
710 | 2576 } |
2577 | |
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2578 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
|
2579 if (mt1 == mt2) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2580 return true; |
3785
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2581 if (rtype(mt1) != rtype(mt2)) |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2582 return false; |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2583 if (ptype_count(mt1) != ptype_count(mt2)) |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2584 return false; |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2585 for (int i = ptype_count(mt1) - 1; i >= 0; i--) { |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2586 if (ptype(mt1, i) != ptype(mt2, i)) |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2587 return false; |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2588 } |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2589 return true; |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2590 } |
ddd894528dbc
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2591 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2592 oop java_lang_invoke_MethodType::rtype(oop mt) { |
710 | 2593 assert(is_instance(mt), "must be a MethodType"); |
2594 return mt->obj_field(_rtype_offset); | |
2595 } | |
2596 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2597 objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) { |
710 | 2598 assert(is_instance(mt), "must be a MethodType"); |
2599 return (objArrayOop) mt->obj_field(_ptypes_offset); | |
2600 } | |
2601 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2602 oop java_lang_invoke_MethodType::ptype(oop mt, int idx) { |
710 | 2603 return ptypes(mt)->obj_at(idx); |
2604 } | |
2605 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2606 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
|
2607 return ptypes(mt)->length(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2608 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2609 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2610 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
|
2611 objArrayOop pts = ptypes(mt); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2612 int count = pts->length(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2613 int slots = 0; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2614 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
|
2615 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
|
2616 slots += type2size[bt]; |
710 | 2617 } |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2618 return slots; |
710 | 2619 } |
2620 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2621 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
|
2622 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
|
2623 return type2size[bt]; |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
2624 } |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
2625 |
710 | 2626 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2627 // Support for java_lang_invoke_CallSite |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2628 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2629 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
|
2630 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2631 void java_lang_invoke_CallSite::compute_offsets() { |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2632 if (!EnableInvokeDynamic) return; |
1059
389049f3f393
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
949
diff
changeset
|
2633 klassOop k = SystemDictionary::CallSite_klass(); |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2634 if (k != NULL) { |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2635 compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature()); |
726
be93aad57795
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2636 } |
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2637 } |
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2638 |
710 | 2639 |
0 | 2640 // Support for java_security_AccessControlContext |
2641 | |
2642 int java_security_AccessControlContext::_context_offset = 0; | |
2643 int java_security_AccessControlContext::_privilegedContext_offset = 0; | |
2644 int java_security_AccessControlContext::_isPrivileged_offset = 0; | |
2645 | |
2646 void java_security_AccessControlContext::compute_offsets() { | |
2647 assert(_isPrivileged_offset == 0, "offsets should be initialized only once"); | |
2648 fieldDescriptor fd; | |
2649 instanceKlass* ik = instanceKlass::cast(SystemDictionary::AccessControlContext_klass()); | |
2650 | |
2651 if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) { | |
2652 fatal("Invalid layout of java.security.AccessControlContext"); | |
2653 } | |
2654 _context_offset = fd.offset(); | |
2655 | |
2656 if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) { | |
2657 fatal("Invalid layout of java.security.AccessControlContext"); | |
2658 } | |
2659 _privilegedContext_offset = fd.offset(); | |
2660 | |
2661 if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) { | |
2662 fatal("Invalid layout of java.security.AccessControlContext"); | |
2663 } | |
2664 _isPrivileged_offset = fd.offset(); | |
2665 } | |
2666 | |
2667 | |
2668 oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) { | |
2669 assert(_isPrivileged_offset != 0, "offsets should have been initialized"); | |
2670 // Ensure klass is initialized | |
2671 instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0); | |
2672 // Allocate result | |
2673 oop result = instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0); | |
2674 // Fill in values | |
2675 result->obj_field_put(_context_offset, context()); | |
2676 result->obj_field_put(_privilegedContext_offset, privileged_context()); | |
2677 result->bool_field_put(_isPrivileged_offset, isPrivileged); | |
2678 return result; | |
2679 } | |
2680 | |
2681 | |
2682 // Support for java_lang_ClassLoader | |
3938 | 2683 bool java_lang_ClassLoader::offsets_computed = false; |
2684 int java_lang_ClassLoader::parallelCapable_offset = -1; | |
2685 | |
2686 void java_lang_ClassLoader::compute_offsets() { | |
2687 assert(!offsets_computed, "offsets should be initialized only once"); | |
2688 offsets_computed = true; | |
2689 | |
2690 // The field indicating parallelCapable (parallelLockMap) is only present starting in 7, | |
2691 klassOop k1 = SystemDictionary::ClassLoader_klass(); | |
2692 compute_optional_offset(parallelCapable_offset, | |
2693 k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature()); | |
2694 } | |
0 | 2695 |
2696 oop java_lang_ClassLoader::parent(oop loader) { | |
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2697 assert(is_instance(loader), "loader must be oop"); |
0 | 2698 return loader->obj_field(parent_offset); |
2699 } | |
2700 | |
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2701 bool java_lang_ClassLoader::isAncestor(oop loader, oop cl) { |
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2702 assert(is_instance(loader), "loader must be oop"); |
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2703 assert(cl == NULL || is_instance(cl), "cl argument must be oop"); |
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2704 oop acl = loader; |
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2705 debug_only(jint loop_count = 0); |
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2706 // This loop taken verbatim from ClassLoader.java: |
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2707 do { |
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2708 acl = parent(acl); |
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2709 if (cl == acl) { |
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2710 return true; |
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2711 } |
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2712 assert(++loop_count > 0, "loop_count overflow"); |
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2713 } while (acl != NULL); |
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2714 return false; |
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2715 } |
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2716 |
0 | 2717 |
3938 | 2718 // For class loader classes, parallelCapable defined |
2719 // based on non-null field | |
2720 // Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it | |
2721 bool java_lang_ClassLoader::parallelCapable(oop class_loader) { | |
2722 if (!JDK_Version::is_gte_jdk17x_version() | |
2723 || parallelCapable_offset == -1) { | |
2724 // Default for backward compatibility is false | |
2725 return false; | |
2726 } | |
2727 return (class_loader->obj_field(parallelCapable_offset) != NULL); | |
2728 } | |
2729 | |
0 | 2730 bool java_lang_ClassLoader::is_trusted_loader(oop loader) { |
2731 // Fix for 4474172; see evaluation for more details | |
2732 loader = non_reflection_class_loader(loader); | |
2733 | |
2734 oop cl = SystemDictionary::java_system_loader(); | |
2735 while(cl != NULL) { | |
2736 if (cl == loader) return true; | |
2737 cl = parent(cl); | |
2738 } | |
2739 return false; | |
2740 } | |
2741 | |
2742 oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) { | |
2743 if (loader != NULL) { | |
2744 // See whether this is one of the class loaders associated with | |
2745 // the generated bytecodes for reflection, and if so, "magically" | |
2746 // delegate to its parent to prevent class loading from occurring | |
2747 // in places where applications using reflection didn't expect it. | |
1142 | 2748 klassOop delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass(); |
0 | 2749 // This might be null in non-1.4 JDKs |
2750 if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) { | |
2751 return parent(loader); | |
2752 } | |
2753 } | |
2754 return loader; | |
2755 } | |
2756 | |
2757 | |
2758 // Support for java_lang_System | |
2759 int java_lang_System::in_offset_in_bytes() { | |
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2760 return (instanceMirrorKlass::offset_of_static_fields() + static_in_offset); |
0 | 2761 } |
2762 | |
2763 | |
2764 int java_lang_System::out_offset_in_bytes() { | |
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2765 return (instanceMirrorKlass::offset_of_static_fields() + static_out_offset); |
0 | 2766 } |
2767 | |
2768 | |
2769 int java_lang_System::err_offset_in_bytes() { | |
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2770 return (instanceMirrorKlass::offset_of_static_fields() + static_err_offset); |
0 | 2771 } |
2772 | |
2773 | |
2774 | |
3938 | 2775 int java_lang_Class::_klass_offset; |
2776 int java_lang_Class::_array_klass_offset; | |
2777 int java_lang_Class::_resolved_constructor_offset; | |
2778 int java_lang_Class::_oop_size_offset; | |
2779 int java_lang_Class::_static_oop_field_count_offset; | |
0 | 2780 int java_lang_Throwable::backtrace_offset; |
2781 int java_lang_Throwable::detailMessage_offset; | |
2782 int java_lang_Throwable::cause_offset; | |
2783 int java_lang_Throwable::stackTrace_offset; | |
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2784 int java_lang_Throwable::static_unassigned_stacktrace_offset; |
0 | 2785 int java_lang_reflect_AccessibleObject::override_offset; |
2786 int java_lang_reflect_Method::clazz_offset; | |
2787 int java_lang_reflect_Method::name_offset; | |
2788 int java_lang_reflect_Method::returnType_offset; | |
2789 int java_lang_reflect_Method::parameterTypes_offset; | |
2790 int java_lang_reflect_Method::exceptionTypes_offset; | |
2791 int java_lang_reflect_Method::slot_offset; | |
2792 int java_lang_reflect_Method::modifiers_offset; | |
2793 int java_lang_reflect_Method::signature_offset; | |
2794 int java_lang_reflect_Method::annotations_offset; | |
2795 int java_lang_reflect_Method::parameter_annotations_offset; | |
2796 int java_lang_reflect_Method::annotation_default_offset; | |
2797 int java_lang_reflect_Constructor::clazz_offset; | |
2798 int java_lang_reflect_Constructor::parameterTypes_offset; | |
2799 int java_lang_reflect_Constructor::exceptionTypes_offset; | |
2800 int java_lang_reflect_Constructor::slot_offset; | |
2801 int java_lang_reflect_Constructor::modifiers_offset; | |
2802 int java_lang_reflect_Constructor::signature_offset; | |
2803 int java_lang_reflect_Constructor::annotations_offset; | |
2804 int java_lang_reflect_Constructor::parameter_annotations_offset; | |
2805 int java_lang_reflect_Field::clazz_offset; | |
2806 int java_lang_reflect_Field::name_offset; | |
2807 int java_lang_reflect_Field::type_offset; | |
2808 int java_lang_reflect_Field::slot_offset; | |
2809 int java_lang_reflect_Field::modifiers_offset; | |
2810 int java_lang_reflect_Field::signature_offset; | |
2811 int java_lang_reflect_Field::annotations_offset; | |
2812 int java_lang_boxing_object::value_offset; | |
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2813 int java_lang_boxing_object::long_value_offset; |
0 | 2814 int java_lang_ref_Reference::referent_offset; |
2815 int java_lang_ref_Reference::queue_offset; | |
2816 int java_lang_ref_Reference::next_offset; | |
2817 int java_lang_ref_Reference::discovered_offset; | |
2818 int java_lang_ref_Reference::static_lock_offset; | |
2819 int java_lang_ref_Reference::static_pending_offset; | |
2820 int java_lang_ref_Reference::number_of_fake_oop_fields; | |
2821 int java_lang_ref_SoftReference::timestamp_offset; | |
2822 int java_lang_ref_SoftReference::static_clock_offset; | |
2823 int java_lang_ClassLoader::parent_offset; | |
2824 int java_lang_System::static_in_offset; | |
2825 int java_lang_System::static_out_offset; | |
2826 int java_lang_System::static_err_offset; | |
2827 int java_lang_StackTraceElement::declaringClass_offset; | |
2828 int java_lang_StackTraceElement::methodName_offset; | |
2829 int java_lang_StackTraceElement::fileName_offset; | |
2830 int java_lang_StackTraceElement::lineNumber_offset; | |
2831 int java_lang_AssertionStatusDirectives::classes_offset; | |
2832 int java_lang_AssertionStatusDirectives::classEnabled_offset; | |
2833 int java_lang_AssertionStatusDirectives::packages_offset; | |
2834 int java_lang_AssertionStatusDirectives::packageEnabled_offset; | |
2835 int java_lang_AssertionStatusDirectives::deflt_offset; | |
2836 int java_nio_Buffer::_limit_offset; | |
2837 int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; | |
2838 int sun_reflect_ConstantPool::_cp_oop_offset; | |
2839 int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; | |
2840 | |
2841 | |
2842 // Support for java_lang_StackTraceElement | |
2843 | |
2844 void java_lang_StackTraceElement::set_fileName(oop element, oop value) { | |
2845 element->obj_field_put(fileName_offset, value); | |
2846 } | |
2847 | |
2848 void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) { | |
2849 element->obj_field_put(declaringClass_offset, value); | |
2850 } | |
2851 | |
2852 void java_lang_StackTraceElement::set_methodName(oop element, oop value) { | |
2853 element->obj_field_put(methodName_offset, value); | |
2854 } | |
2855 | |
2856 void java_lang_StackTraceElement::set_lineNumber(oop element, int value) { | |
2857 element->int_field_put(lineNumber_offset, value); | |
2858 } | |
2859 | |
2860 | |
2861 // Support for java Assertions - java_lang_AssertionStatusDirectives. | |
2862 | |
2863 void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) { | |
2864 o->obj_field_put(classes_offset, val); | |
2865 } | |
2866 | |
2867 void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) { | |
2868 o->obj_field_put(classEnabled_offset, val); | |
2869 } | |
2870 | |
2871 void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) { | |
2872 o->obj_field_put(packages_offset, val); | |
2873 } | |
2874 | |
2875 void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) { | |
2876 o->obj_field_put(packageEnabled_offset, val); | |
2877 } | |
2878 | |
2879 void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) { | |
2880 o->bool_field_put(deflt_offset, val); | |
2881 } | |
2882 | |
2883 | |
2884 // Support for intrinsification of java.nio.Buffer.checkIndex | |
2885 int java_nio_Buffer::limit_offset() { | |
2886 return _limit_offset; | |
2887 } | |
2888 | |
2889 | |
2890 void java_nio_Buffer::compute_offsets() { | |
3938 | 2891 klassOop k = SystemDictionary::nio_Buffer_klass(); |
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2892 assert(k != NULL, "must be loaded in 1.4+"); |
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2893 compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); |
0 | 2894 } |
2895 | |
2896 void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { | |
2897 if (_owner_offset != 0) return; | |
2898 | |
2899 assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later"); | |
2900 SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK); | |
2901 klassOop k = SystemDictionary::abstract_ownable_synchronizer_klass(); | |
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2902 compute_offset(_owner_offset, k, |
0 | 2903 vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature()); |
2904 } | |
2905 | |
2906 oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) { | |
2907 assert(_owner_offset != 0, "Must be initialized"); | |
2908 return obj->obj_field(_owner_offset); | |
2909 } | |
2910 | |
2911 // Compute hard-coded offsets | |
2912 // Invoked before SystemDictionary::initialize, so pre-loaded classes | |
2913 // are not available to determine the offset_of_static_fields. | |
2914 void JavaClasses::compute_hard_coded_offsets() { | |
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2915 const int x = heapOopSize; |
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2916 const int header = instanceOopDesc::base_offset_in_bytes(); |
0 | 2917 |
2918 // Throwable Class | |
2919 java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header; | |
2920 java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header; | |
2921 java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header; | |
2922 java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header; | |
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2923 java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset * x; |
0 | 2924 |
2925 // java_lang_boxing_object | |
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2926 java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header; |
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2927 java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong); |
0 | 2928 |
2929 // java_lang_ref_Reference: | |
2930 java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header; | |
2931 java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header; | |
2932 java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header; | |
2933 java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header; | |
2934 java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x; | |
2935 java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x; | |
2936 // Artificial fields for java_lang_ref_Reference | |
2937 // The first field is for the discovered field added in 1.4 | |
2938 java_lang_ref_Reference::number_of_fake_oop_fields = 1; | |
2939 | |
2940 // java_lang_ref_SoftReference Class | |
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2941 java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong); |
0 | 2942 // Don't multiply static fields because they are always in wordSize units |
2943 java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x; | |
2944 | |
2945 // java_lang_ClassLoader | |
2946 java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header; | |
2947 | |
2948 // java_lang_System | |
2949 java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x; | |
2950 java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x; | |
2951 java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x; | |
2952 | |
2953 // java_lang_StackTraceElement | |
2954 java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header; | |
2955 java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header; | |
2956 java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header; | |
2957 java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header; | |
2958 java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header; | |
2959 java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header; | |
2960 java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header; | |
2961 java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header; | |
2962 java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header; | |
2963 | |
2964 } | |
2965 | |
2966 | |
2967 // Compute non-hard-coded field offsets of all the classes in this file | |
2968 void JavaClasses::compute_offsets() { | |
3938 | 2969 // java_lang_Class::compute_offsets was called earlier in bootstrap |
2970 java_lang_ClassLoader::compute_offsets(); | |
0 | 2971 java_lang_Thread::compute_offsets(); |
2972 java_lang_ThreadGroup::compute_offsets(); | |
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2973 if (EnableInvokeDynamic) { |
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2974 java_lang_invoke_MethodHandle::compute_offsets(); |
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2975 java_lang_invoke_MemberName::compute_offsets(); |
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2976 java_lang_invoke_LambdaForm::compute_offsets(); |
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2977 java_lang_invoke_MethodType::compute_offsets(); |
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2356
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|
2978 java_lang_invoke_CallSite::compute_offsets(); |
726
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|
2979 } |
0 | 2980 java_security_AccessControlContext::compute_offsets(); |
2981 // Initialize reflection classes. The layouts of these classes | |
2982 // changed with the new reflection implementation in JDK 1.4, and | |
2983 // since the Universe doesn't know what JDK version it is until this | |
2984 // point we defer computation of these offsets until now. | |
2985 java_lang_reflect_AccessibleObject::compute_offsets(); | |
2986 java_lang_reflect_Method::compute_offsets(); | |
2987 java_lang_reflect_Constructor::compute_offsets(); | |
2988 java_lang_reflect_Field::compute_offsets(); | |
2989 if (JDK_Version::is_gte_jdk14x_version()) { | |
2990 java_nio_Buffer::compute_offsets(); | |
2991 } | |
2992 if (JDK_Version::is_gte_jdk15x_version()) { | |
2993 sun_reflect_ConstantPool::compute_offsets(); | |
2994 sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); | |
2995 } | |
710 | 2996 |
2997 // generated interpreter code wants to know about the offsets we just computed: | |
2998 AbstractAssembler::update_delayed_values(); | |
0 | 2999 } |
3000 | |
3001 #ifndef PRODUCT | |
3002 | |
3003 // These functions exist to assert the validity of hard-coded field offsets to guard | |
3004 // against changes in the class files | |
3005 | |
3006 bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
3007 EXCEPTION_MARK; | |
3008 fieldDescriptor fd; | |
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|
3009 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
0 | 3010 klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
3011 instanceKlassHandle h_klass (THREAD, k); | |
2177
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3012 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
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6990754: Use native memory and reference counting to implement SymbolTable
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|
3013 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
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6990754: Use native memory and reference counting to implement SymbolTable
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|
3014 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
0 | 3015 tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name); |
3016 return false; | |
3017 } | |
3018 if (fd.is_static()) { | |
3019 tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name); | |
3020 return false; | |
3021 } | |
3022 if (fd.offset() == hardcoded_offset ) { | |
3023 return true; | |
3024 } else { | |
3025 tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.", | |
3026 klass_name, field_name, hardcoded_offset, fd.offset()); | |
3027 return false; | |
3028 } | |
3029 } | |
3030 | |
3031 | |
3032 bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
3033 EXCEPTION_MARK; | |
3034 fieldDescriptor fd; | |
2177
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|
3035 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
0 | 3036 klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
3037 instanceKlassHandle h_klass (THREAD, k); | |
2177
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3038 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
3582bf76420e
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diff
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|
3039 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
3582bf76420e
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diff
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|
3040 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
0 | 3041 tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
3042 return false; | |
3043 } | |
3044 if (!fd.is_static()) { | |
3045 tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name); | |
3046 return false; | |
3047 } | |
2376
c7f3d0b4570f
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parents:
2357
diff
changeset
|
3048 if (fd.offset() == hardcoded_offset + instanceMirrorKlass::offset_of_static_fields()) { |
0 | 3049 return true; |
3050 } else { | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
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parents:
2357
diff
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|
3051 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 | 3052 return false; |
3053 } | |
3054 } | |
3055 | |
3056 | |
132
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parents:
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3057 bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) { |
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6652736: well known classes in system dictionary are inefficiently processed
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|
3058 EXCEPTION_MARK; |
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|
3059 fieldDescriptor fd; |
2177
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6990754: Use native memory and reference counting to implement SymbolTable
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|
3060 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
132
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3061 klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
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3062 instanceKlassHandle h_klass (THREAD, k); |
2177
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1989
diff
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|
3063 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
3582bf76420e
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coleenp
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diff
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|
3064 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
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3065 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
132
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3066 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:
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diff
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|
3067 return false; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
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diff
changeset
|
3068 } |
60b728ec77c1
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diff
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|
3069 if (!fd.is_static() || !fd.has_initial_value()) { |
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3070 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
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parents:
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|
3071 return false; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
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diff
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|
3072 } |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
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diff
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|
3073 if (!fd.initial_value_tag().is_int()) { |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
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diff
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|
3074 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:
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diff
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|
3075 return false; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
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diff
changeset
|
3076 } |
60b728ec77c1
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diff
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|
3077 jint field_value = fd.int_initial_value(); |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3078 if (field_value == hardcoded_constant) { |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3079 return true; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3080 } else { |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
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|
3081 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
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|
3082 return false; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3083 } |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
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parents:
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diff
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|
3084 } |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
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changeset
|
3085 |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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113
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|
3086 |
0 | 3087 // Check the hard-coded field offsets of all the classes in this file |
3088 | |
3089 void JavaClasses::check_offsets() { | |
3090 bool valid = true; | |
3091 | |
3092 #define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ | |
3093 valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig) | |
3094 | |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3095 #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
|
3096 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
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|
3097 |
0 | 3098 #define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
3099 valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig) | |
3100 | |
132
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|
3101 #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
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|
3102 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
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3103 |
0 | 3104 // java.lang.String |
3105 | |
3106 CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C"); | |
6057 | 3107 if (java_lang_String::has_offset_field()) { |
3108 CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I"); | |
3109 CHECK_OFFSET("java/lang/String", java_lang_String, count, "I"); | |
3110 } | |
3111 if (java_lang_String::has_hash_field()) { | |
3112 CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I"); | |
3113 } | |
0 | 3114 |
3115 // java.lang.Class | |
3116 | |
3117 // Fake fields | |
3118 // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked | |
3119 // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked | |
3120 // CHECK_OFFSET("java/lang/Class", java_lang_Class, resolved_constructor); // %%% this needs to be checked | |
3121 | |
3122 // java.lang.Throwable | |
3123 | |
3124 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;"); | |
3125 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;"); | |
3126 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;"); | |
3127 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;"); | |
3128 | |
3129 // Boxed primitive objects (java_lang_boxing_object) | |
3130 | |
3131 CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z"); | |
3132 CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C"); | |
3133 CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F"); | |
165
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kvn
parents:
132
diff
changeset
|
3134 CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D"); |
0 | 3135 CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B"); |
3136 CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S"); | |
3137 CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I"); | |
165
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kvn
parents:
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diff
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|
3138 CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J"); |
0 | 3139 |
3140 // java.lang.ClassLoader | |
3141 | |
3142 CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;"); | |
3143 | |
3144 // java.lang.System | |
3145 | |
3146 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;"); | |
3147 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;"); | |
3148 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;"); | |
3149 | |
3150 // java.lang.StackTraceElement | |
3151 | |
3152 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;"); | |
3153 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;"); | |
3154 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;"); | |
3155 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I"); | |
3156 | |
3157 // java.lang.ref.Reference | |
3158 | |
3159 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;"); | |
3160 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;"); | |
3161 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;"); | |
3162 // Fake field | |
3163 //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;"); | |
3164 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;"); | |
3165 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;"); | |
3166 | |
3167 // java.lang.ref.SoftReference | |
3168 | |
3169 CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J"); | |
3170 CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J"); | |
3171 | |
3172 // java.lang.AssertionStatusDirectives | |
3173 // | |
3174 // The CheckAssertionStatusDirectives boolean can be removed from here and | |
3175 // globals.hpp after the AssertionStatusDirectives class has been integrated | |
3176 // into merlin "for some time." Without it, the vm will fail with early | |
3177 // merlin builds. | |
3178 | |
3179 if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) { | |
3180 const char* nm = "java/lang/AssertionStatusDirectives"; | |
3181 const char* sig = "[Ljava/lang/String;"; | |
3182 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig); | |
3183 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z"); | |
3184 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig); | |
3185 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z"); | |
3186 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z"); | |
3187 } | |
3188 | |
3189 if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed"); | |
3190 } | |
3191 | |
3192 #endif // PRODUCT | |
3193 | |
3938 | 3194 int InjectedField::compute_offset() { |
3195 klassOop klass_oop = klass(); | |
3196 for (AllFieldStream fs(instanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { | |
3197 if (!may_be_java && !fs.access_flags().is_internal()) { | |
3198 // Only look at injected fields | |
3199 continue; | |
3200 } | |
3201 if (fs.name() == name() && fs.signature() == signature()) { | |
3202 return fs.offset(); | |
3203 } | |
3204 } | |
3205 ResourceMark rm; | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3206 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)" : ""); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3207 #ifndef PRODUCT |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3208 klass_oop->print(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3209 tty->print_cr("all fields:"); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3210 for (AllFieldStream fs(instanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3211 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
|
3212 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
3213 #endif //PRODUCT |
3938 | 3214 fatal("Invalid layout of preloaded class"); |
3215 return -1; | |
3216 } | |
3217 | |
0 | 3218 void javaClasses_init() { |
3219 JavaClasses::compute_offsets(); | |
3220 JavaClasses::check_offsets(); | |
3221 FilteredFieldsMap::initialize(); // must be done after computing offsets. | |
3222 } |