Mercurial > hg > graal-compiler
annotate src/share/vm/classfile/javaClasses.cpp @ 12364:651cc32247d7
Add Graal option for deferring write barriers of eden allocated objects
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Fri, 11 Oct 2013 17:06:18 +0200 |
parents | 6b0fd0964b87 |
children | 3cce976666d9 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
6162 | 26 #include "classfile/altHashing.hpp" |
1972 | 27 #include "classfile/javaClasses.hpp" |
28 #include "classfile/symbolTable.hpp" | |
29 #include "classfile/vmSymbols.hpp" | |
30 #include "code/debugInfo.hpp" | |
31 #include "code/pcDesc.hpp" | |
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32 #include "compiler/compilerOracle.hpp" |
1972 | 33 #include "interpreter/interpreter.hpp" |
34 #include "memory/oopFactory.hpp" | |
35 #include "memory/resourceArea.hpp" | |
36 #include "memory/universe.inline.hpp" | |
3938 | 37 #include "oops/fieldStreams.hpp" |
1972 | 38 #include "oops/instanceKlass.hpp" |
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39 #include "oops/instanceMirrorKlass.hpp" |
1972 | 40 #include "oops/klass.hpp" |
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41 #include "oops/method.hpp" |
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42 #include "oops/symbol.hpp" |
1972 | 43 #include "oops/typeArrayOop.hpp" |
44 #include "runtime/fieldDescriptor.hpp" | |
45 #include "runtime/handles.inline.hpp" | |
46 #include "runtime/interfaceSupport.hpp" | |
47 #include "runtime/java.hpp" | |
48 #include "runtime/javaCalls.hpp" | |
49 #include "runtime/safepoint.hpp" | |
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50 #include "runtime/thread.inline.hpp" |
1972 | 51 #include "runtime/vframe.hpp" |
52 #include "utilities/preserveException.hpp" | |
0 | 53 |
3938 | 54 #define INJECTED_FIELD_COMPUTE_OFFSET(klass, name, signature, may_be_java) \ |
55 klass::_##name##_offset = JavaClasses::compute_injected_offset(JavaClasses::klass##_##name##_enum); | |
56 | |
57 #define DECLARE_INJECTED_FIELD(klass, name, signature, may_be_java) \ | |
58 { SystemDictionary::WK_KLASS_ENUM_NAME(klass), vmSymbols::VM_SYMBOL_ENUM_NAME(name##_name), vmSymbols::VM_SYMBOL_ENUM_NAME(signature), may_be_java }, | |
59 | |
60 InjectedField JavaClasses::_injected_fields[] = { | |
61 ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD) | |
62 }; | |
63 | |
64 int JavaClasses::compute_injected_offset(InjectedFieldID id) { | |
65 return _injected_fields[id].compute_offset(); | |
66 } | |
67 | |
68 | |
69 InjectedField* JavaClasses::get_injected(Symbol* class_name, int* field_count) { | |
70 *field_count = 0; | |
71 | |
72 vmSymbols::SID sid = vmSymbols::find_sid(class_name); | |
73 if (sid == vmSymbols::NO_SID) { | |
74 // Only well known classes can inject fields | |
75 return NULL; | |
76 } | |
77 | |
78 int count = 0; | |
79 int start = -1; | |
80 | |
81 #define LOOKUP_INJECTED_FIELD(klass, name, signature, may_be_java) \ | |
82 if (sid == vmSymbols::VM_SYMBOL_ENUM_NAME(klass)) { \ | |
83 count++; \ | |
84 if (start == -1) start = klass##_##name##_enum; \ | |
85 } | |
86 ALL_INJECTED_FIELDS(LOOKUP_INJECTED_FIELD); | |
87 #undef LOOKUP_INJECTED_FIELD | |
88 | |
89 if (start != -1) { | |
90 *field_count = count; | |
91 return _injected_fields + start; | |
92 } | |
93 return NULL; | |
94 } | |
95 | |
96 | |
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97 static bool find_field(InstanceKlass* ik, |
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98 Symbol* name_symbol, Symbol* signature_symbol, |
710 | 99 fieldDescriptor* fd, |
100 bool allow_super = false) { | |
101 if (allow_super) | |
102 return ik->find_field(name_symbol, signature_symbol, fd) != NULL; | |
103 else | |
104 return ik->find_local_field(name_symbol, signature_symbol, fd); | |
105 } | |
106 | |
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107 // Helpful routine for computing field offsets at run time rather than hardcoding them |
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108 static void |
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109 compute_offset(int &dest_offset, |
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110 Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
710 | 111 bool allow_super = false) { |
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112 fieldDescriptor fd; |
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113 InstanceKlass* ik = InstanceKlass::cast(klass_oop); |
710 | 114 if (!find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
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115 ResourceMark rm; |
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116 tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string()); |
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117 #ifndef PRODUCT |
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118 klass_oop->print(); |
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119 tty->print_cr("all fields:"); |
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120 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
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121 tty->print_cr(" name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int()); |
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122 } |
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123 #endif //PRODUCT |
132
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124 fatal("Invalid layout of preloaded class"); |
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125 } |
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126 dest_offset = fd.offset(); |
0 | 127 } |
128 | |
129 // Same as above but for "optional" offsets that might not be present in certain JDK versions | |
132
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130 static void |
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131 compute_optional_offset(int& dest_offset, |
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132 Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
710 | 133 bool allow_super = false) { |
132
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134 fieldDescriptor fd; |
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135 InstanceKlass* ik = InstanceKlass::cast(klass_oop); |
710 | 136 if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
132
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137 dest_offset = fd.offset(); |
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138 } |
0 | 139 } |
140 | |
710 | 141 |
6057 | 142 int java_lang_String::value_offset = 0; |
143 int java_lang_String::offset_offset = 0; | |
144 int java_lang_String::count_offset = 0; | |
145 int java_lang_String::hash_offset = 0; | |
146 | |
147 bool java_lang_String::initialized = false; | |
148 | |
149 void java_lang_String::compute_offsets() { | |
150 assert(!initialized, "offsets should be initialized only once"); | |
151 | |
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152 Klass* k = SystemDictionary::String_klass(); |
6057 | 153 compute_offset(value_offset, k, vmSymbols::value_name(), vmSymbols::char_array_signature()); |
154 compute_optional_offset(offset_offset, k, vmSymbols::offset_name(), vmSymbols::int_signature()); | |
155 compute_optional_offset(count_offset, k, vmSymbols::count_name(), vmSymbols::int_signature()); | |
156 compute_optional_offset(hash_offset, k, vmSymbols::hash_name(), vmSymbols::int_signature()); | |
157 | |
158 initialized = true; | |
159 } | |
160 | |
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161 Handle java_lang_String::basic_create(int length, TRAPS) { |
6057 | 162 assert(initialized, "Must be initialized"); |
0 | 163 // Create the String object first, so there's a chance that the String |
164 // and the char array it points to end up in the same cache line. | |
165 oop obj; | |
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166 obj = InstanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH); |
0 | 167 |
168 // Create the char array. The String object must be handlized here | |
169 // because GC can happen as a result of the allocation attempt. | |
170 Handle h_obj(THREAD, obj); | |
171 typeArrayOop buffer; | |
172 buffer = oopFactory::new_charArray(length, CHECK_NH); | |
173 | |
174 // Point the String at the char array | |
175 obj = h_obj(); | |
176 set_value(obj, buffer); | |
177 // No need to zero the offset, allocation zero'ed the entire String object | |
178 assert(offset(obj) == 0, "initial String offset should be zero"); | |
179 //set_offset(obj, 0); | |
180 set_count(obj, length); | |
181 | |
182 return h_obj; | |
183 } | |
184 | |
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185 Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) { |
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186 Handle h_obj = basic_create(length, CHECK_NH); |
0 | 187 typeArrayOop buffer = value(h_obj()); |
188 for (int index = 0; index < length; index++) { | |
189 buffer->char_at_put(index, unicode[index]); | |
190 } | |
191 return h_obj; | |
192 } | |
193 | |
194 oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) { | |
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195 Handle h_obj = create_from_unicode(unicode, length, CHECK_0); |
0 | 196 return h_obj(); |
197 } | |
198 | |
199 Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) { | |
200 if (utf8_str == NULL) { | |
201 return Handle(); | |
202 } | |
203 int length = UTF8::unicode_length(utf8_str); | |
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204 Handle h_obj = basic_create(length, CHECK_NH); |
0 | 205 if (length > 0) { |
206 UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length); | |
207 } | |
208 return h_obj; | |
209 } | |
210 | |
211 oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) { | |
212 Handle h_obj = create_from_str(utf8_str, CHECK_0); | |
213 return h_obj(); | |
214 } | |
215 | |
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216 Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) { |
0 | 217 int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length()); |
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218 Handle h_obj = basic_create(length, CHECK_NH); |
0 | 219 if (length > 0) { |
220 UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length); | |
221 } | |
222 return h_obj; | |
223 } | |
224 | |
225 // Converts a C string to a Java String based on current encoding | |
226 Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) { | |
227 assert(str != NULL, "bad arguments"); | |
228 | |
229 typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *); | |
230 static to_java_string_fn_t _to_java_string_fn = NULL; | |
231 | |
232 if (_to_java_string_fn == NULL) { | |
233 void *lib_handle = os::native_java_library(); | |
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234 _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform")); |
0 | 235 if (_to_java_string_fn == NULL) { |
236 fatal("NewStringPlatform missing"); | |
237 } | |
238 } | |
239 | |
240 jstring js = NULL; | |
241 { JavaThread* thread = (JavaThread*)THREAD; | |
242 assert(thread->is_Java_thread(), "must be java thread"); | |
22
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243 HandleMark hm(thread); |
0 | 244 ThreadToNativeFromVM ttn(thread); |
245 js = (_to_java_string_fn)(thread->jni_environment(), str); | |
246 } | |
247 return Handle(THREAD, JNIHandles::resolve(js)); | |
248 } | |
249 | |
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250 // Converts a Java String to a native C string that can be used for |
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251 // native OS calls. |
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252 char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) { |
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253 |
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254 typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*); |
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255 static to_platform_string_fn_t _to_platform_string_fn = NULL; |
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256 |
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257 if (_to_platform_string_fn == NULL) { |
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258 void *lib_handle = os::native_java_library(); |
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259 _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars")); |
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260 if (_to_platform_string_fn == NULL) { |
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261 fatal("GetStringPlatformChars missing"); |
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262 } |
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263 } |
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264 |
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265 char *native_platform_string; |
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266 { JavaThread* thread = (JavaThread*)THREAD; |
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267 assert(thread->is_Java_thread(), "must be java thread"); |
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268 JNIEnv *env = thread->jni_environment(); |
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269 jstring js = (jstring) JNIHandles::make_local(env, java_string()); |
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270 bool is_copy; |
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271 HandleMark hm(thread); |
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272 ThreadToNativeFromVM ttn(thread); |
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273 native_platform_string = (_to_platform_string_fn)(env, js, &is_copy); |
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274 assert(is_copy == JNI_TRUE, "is_copy value changed"); |
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275 JNIHandles::destroy_local(js); |
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276 } |
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277 return native_platform_string; |
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278 } |
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279 |
0 | 280 Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) { |
281 oop obj = java_string(); | |
282 // Typical usage is to convert all '/' to '.' in string. | |
283 typeArrayOop value = java_lang_String::value(obj); | |
284 int offset = java_lang_String::offset(obj); | |
285 int length = java_lang_String::length(obj); | |
286 | |
287 // First check if any from_char exist | |
288 int index; // Declared outside, used later | |
289 for (index = 0; index < length; index++) { | |
290 if (value->char_at(index + offset) == from_char) { | |
291 break; | |
292 } | |
293 } | |
294 if (index == length) { | |
295 // No from_char, so do not copy. | |
296 return java_string; | |
297 } | |
298 | |
299 // Create new UNICODE buffer. Must handlize value because GC | |
300 // may happen during String and char array creation. | |
301 typeArrayHandle h_value(THREAD, value); | |
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302 Handle string = basic_create(length, CHECK_NH); |
0 | 303 |
304 typeArrayOop from_buffer = h_value(); | |
305 typeArrayOop to_buffer = java_lang_String::value(string()); | |
306 | |
307 // Copy contents | |
308 for (index = 0; index < length; index++) { | |
309 jchar c = from_buffer->char_at(index + offset); | |
310 if (c == from_char) { | |
311 c = to_char; | |
312 } | |
313 to_buffer->char_at_put(index, c); | |
314 } | |
315 return string; | |
316 } | |
317 | |
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318 jchar* java_lang_String::as_unicode_string(oop java_string, int& length, TRAPS) { |
0 | 319 typeArrayOop value = java_lang_String::value(java_string); |
320 int offset = java_lang_String::offset(java_string); | |
321 length = java_lang_String::length(java_string); | |
322 | |
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323 jchar* result = NEW_RESOURCE_ARRAY_RETURN_NULL(jchar, length); |
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324 if (result != NULL) { |
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325 for (int index = 0; index < length; index++) { |
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326 result[index] = value->char_at(index + offset); |
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327 } |
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328 } else { |
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329 THROW_MSG_0(vmSymbols::java_lang_OutOfMemoryError(), "could not allocate Unicode string"); |
0 | 330 } |
331 return result; | |
332 } | |
333 | |
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334 unsigned int java_lang_String::hash_code(oop java_string) { |
6162 | 335 int length = java_lang_String::length(java_string); |
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336 // Zero length string will hash to zero with String.hashCode() function. |
6162 | 337 if (length == 0) return 0; |
338 | |
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339 typeArrayOop value = java_lang_String::value(java_string); |
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340 int offset = java_lang_String::offset(java_string); |
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341 return java_lang_String::hash_code(value->char_at_addr(offset), length); |
6162 | 342 } |
343 | |
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344 char* java_lang_String::as_quoted_ascii(oop java_string) { |
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345 typeArrayOop value = java_lang_String::value(java_string); |
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346 int offset = java_lang_String::offset(java_string); |
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347 int length = java_lang_String::length(java_string); |
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348 |
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349 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
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350 if (base == NULL) return NULL; |
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351 |
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352 int result_length = UNICODE::quoted_ascii_length(base, length) + 1; |
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353 char* result = NEW_RESOURCE_ARRAY(char, result_length); |
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354 UNICODE::as_quoted_ascii(base, length, result, result_length); |
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355 assert(result_length >= length + 1, "must not be shorter"); |
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356 assert(result_length == (int)strlen(result) + 1, "must match"); |
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357 return result; |
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358 } |
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359 |
6162 | 360 unsigned int java_lang_String::hash_string(oop java_string) { |
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361 int length = java_lang_String::length(java_string); |
6162 | 362 // Zero length string doesn't hash necessarily hash to zero. |
363 if (length == 0) { | |
364 return StringTable::hash_string(NULL, 0); | |
365 } | |
366 | |
367 typeArrayOop value = java_lang_String::value(java_string); | |
368 int offset = java_lang_String::offset(java_string); | |
369 return StringTable::hash_string(value->char_at_addr(offset), length); | |
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370 } |
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371 |
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372 Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) { |
0 | 373 oop obj = java_string(); |
374 typeArrayOop value = java_lang_String::value(obj); | |
375 int offset = java_lang_String::offset(obj); | |
376 int length = java_lang_String::length(obj); | |
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377 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
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378 Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD); |
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379 return sym; |
0 | 380 } |
381 | |
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382 Symbol* java_lang_String::as_symbol_or_null(oop java_string) { |
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383 typeArrayOop value = java_lang_String::value(java_string); |
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384 int offset = java_lang_String::offset(java_string); |
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385 int length = java_lang_String::length(java_string); |
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386 jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
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387 return SymbolTable::probe_unicode(base, length); |
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388 } |
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389 |
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390 |
0 | 391 int java_lang_String::utf8_length(oop java_string) { |
392 typeArrayOop value = java_lang_String::value(java_string); | |
393 int offset = java_lang_String::offset(java_string); | |
394 int length = java_lang_String::length(java_string); | |
395 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
396 return UNICODE::utf8_length(position, length); | |
397 } | |
398 | |
399 char* java_lang_String::as_utf8_string(oop java_string) { | |
400 typeArrayOop value = java_lang_String::value(java_string); | |
401 int offset = java_lang_String::offset(java_string); | |
402 int length = java_lang_String::length(java_string); | |
403 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); | |
404 return UNICODE::as_utf8(position, length); | |
405 } | |
406 | |
1989
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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407 char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) { |
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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408 typeArrayOop value = java_lang_String::value(java_string); |
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409 int offset = java_lang_String::offset(java_string); |
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410 int length = java_lang_String::length(java_string); |
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411 jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
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412 return UNICODE::as_utf8(position, length, buf, buflen); |
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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413 } |
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414 |
0 | 415 char* java_lang_String::as_utf8_string(oop java_string, int start, int len) { |
416 typeArrayOop value = java_lang_String::value(java_string); | |
417 int offset = java_lang_String::offset(java_string); | |
418 int length = java_lang_String::length(java_string); | |
419 assert(start + len <= length, "just checking"); | |
420 jchar* position = value->char_at_addr(offset + start); | |
421 return UNICODE::as_utf8(position, len); | |
422 } | |
423 | |
424 bool java_lang_String::equals(oop java_string, jchar* chars, int len) { | |
6867 | 425 assert(java_string->klass() == SystemDictionary::String_klass(), |
0 | 426 "must be java_string"); |
427 typeArrayOop value = java_lang_String::value(java_string); | |
428 int offset = java_lang_String::offset(java_string); | |
429 int length = java_lang_String::length(java_string); | |
430 if (length != len) { | |
431 return false; | |
432 } | |
433 for (int i = 0; i < len; i++) { | |
434 if (value->char_at(i + offset) != chars[i]) { | |
435 return false; | |
436 } | |
437 } | |
438 return true; | |
439 } | |
440 | |
441 void java_lang_String::print(Handle java_string, outputStream* st) { | |
442 oop obj = java_string(); | |
1142 | 443 assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string"); |
0 | 444 typeArrayOop value = java_lang_String::value(obj); |
445 int offset = java_lang_String::offset(obj); | |
446 int length = java_lang_String::length(obj); | |
447 | |
448 int end = MIN2(length, 100); | |
449 if (value == NULL) { | |
450 // This can happen if, e.g., printing a String | |
451 // object before its initializer has been called | |
452 st->print_cr("NULL"); | |
453 } else { | |
454 st->print("\""); | |
455 for (int index = 0; index < length; index++) { | |
456 st->print("%c", value->char_at(index + offset)); | |
457 } | |
458 st->print("\""); | |
459 } | |
460 } | |
461 | |
2376
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462 static void initialize_static_field(fieldDescriptor* fd, TRAPS) { |
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463 Handle mirror (THREAD, fd->field_holder()->java_mirror()); |
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464 assert(mirror.not_null() && fd->is_static(), "just checking"); |
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465 if (fd->has_initial_value()) { |
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466 BasicType t = fd->field_type(); |
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467 switch (t) { |
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468 case T_BYTE: |
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469 mirror()->byte_field_put(fd->offset(), fd->int_initial_value()); |
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470 break; |
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471 case T_BOOLEAN: |
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472 mirror()->bool_field_put(fd->offset(), fd->int_initial_value()); |
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473 break; |
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474 case T_CHAR: |
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475 mirror()->char_field_put(fd->offset(), fd->int_initial_value()); |
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476 break; |
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477 case T_SHORT: |
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478 mirror()->short_field_put(fd->offset(), fd->int_initial_value()); |
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479 break; |
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480 case T_INT: |
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481 mirror()->int_field_put(fd->offset(), fd->int_initial_value()); |
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482 break; |
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483 case T_FLOAT: |
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484 mirror()->float_field_put(fd->offset(), fd->float_initial_value()); |
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485 break; |
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486 case T_DOUBLE: |
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487 mirror()->double_field_put(fd->offset(), fd->double_initial_value()); |
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488 break; |
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489 case T_LONG: |
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490 mirror()->long_field_put(fd->offset(), fd->long_initial_value()); |
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491 break; |
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492 case T_OBJECT: |
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493 { |
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494 #ifdef ASSERT |
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495 TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK); |
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496 assert(fd->signature() == sym, "just checking"); |
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497 #endif |
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498 oop string = fd->string_initial_value(CHECK); |
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499 mirror()->obj_field_put(fd->offset(), string); |
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500 } |
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501 break; |
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502 default: |
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503 THROW_MSG(vmSymbols::java_lang_ClassFormatError(), |
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504 "Illegal ConstantValue attribute in class file"); |
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505 } |
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506 } |
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507 } |
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508 |
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509 |
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510 void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) { |
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511 assert(InstanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already"); |
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512 |
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513 // If the offset was read from the shared archive, it was fixed up already |
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514 if (!k->is_shared()) { |
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515 if (k->oop_is_instance()) { |
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516 // During bootstrap, java.lang.Class wasn't loaded so static field |
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517 // offsets were computed without the size added it. Go back and |
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518 // update all the static field offsets to included the size. |
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519 for (JavaFieldStream fs(InstanceKlass::cast(k())); !fs.done(); fs.next()) { |
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520 if (fs.access_flags().is_static()) { |
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521 int real_offset = fs.offset() + InstanceMirrorKlass::offset_of_static_fields(); |
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522 fs.set_offset(real_offset); |
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523 } |
3938 | 524 } |
525 } | |
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526 } |
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527 create_mirror(k, Handle(NULL), CHECK); |
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528 } |
0 | 529 |
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530 oop java_lang_Class::create_mirror(KlassHandle k, Handle protection_domain, TRAPS) { |
0 | 531 assert(k->java_mirror() == NULL, "should only assign mirror once"); |
532 // Use this moment of initialization to cache modifier_flags also, | |
533 // to support Class.getModifiers(). Instance classes recalculate | |
534 // the cached flags after the class file is parsed, but before the | |
535 // class is put into the system dictionary. | |
536 int computed_modifiers = k->compute_modifier_flags(CHECK_0); | |
537 k->set_modifier_flags(computed_modifiers); | |
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538 // Class_klass has to be loaded because it is used to allocate |
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539 // the mirror. |
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540 if (SystemDictionary::Class_klass_loaded()) { |
0 | 541 // Allocate mirror (java.lang.Class instance) |
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542 Handle mirror = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0); |
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543 |
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544 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass()); |
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545 java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror())); |
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546 |
0 | 547 // It might also have a component mirror. This mirror must already exist. |
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548 if (k->oop_is_array()) { |
0 | 549 Handle comp_mirror; |
550 if (k->oop_is_typeArray()) { | |
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551 BasicType type = TypeArrayKlass::cast(k())->element_type(); |
0 | 552 comp_mirror = Universe::java_mirror(type); |
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553 } else { |
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554 assert(k->oop_is_objArray(), "Must be"); |
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555 Klass* element_klass = ObjArrayKlass::cast(k())->element_klass(); |
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556 assert(element_klass != NULL, "Must have an element klass"); |
6983 | 557 comp_mirror = element_klass->java_mirror(); |
0 | 558 } |
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559 assert(comp_mirror.not_null(), "must have a mirror"); |
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560 |
0 | 561 // Two-way link between the array klass and its component mirror: |
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562 ArrayKlass::cast(k())->set_component_mirror(comp_mirror()); |
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563 set_array_klass(comp_mirror(), k()); |
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564 } else { |
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565 assert(k->oop_is_instance(), "Must be"); |
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566 |
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567 // Allocate a simple java object for a lock. |
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568 // This needs to be a java object because during class initialization |
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569 // it can be held across a java call. |
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570 typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK_NULL); |
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571 set_init_lock(mirror(), r); |
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572 |
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573 // Set protection domain also |
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574 set_protection_domain(mirror(), protection_domain()); |
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575 |
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576 // Initialize static fields |
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577 InstanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL); |
0 | 578 } |
579 return mirror(); | |
580 } else { | |
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581 if (fixup_mirror_list() == NULL) { |
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582 GrowableArray<Klass*>* list = |
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583 new (ResourceObj::C_HEAP, mtClass) GrowableArray<Klass*>(40, true); |
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584 set_fixup_mirror_list(list); |
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585 } |
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586 fixup_mirror_list()->push(k()); |
0 | 587 return NULL; |
588 } | |
589 } | |
590 | |
591 | |
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592 |
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593 int java_lang_Class::oop_size(oop java_class) { |
3938 | 594 assert(_oop_size_offset != 0, "must be set"); |
595 return java_class->int_field(_oop_size_offset); | |
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596 } |
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597 void java_lang_Class::set_oop_size(oop java_class, int size) { |
3938 | 598 assert(_oop_size_offset != 0, "must be set"); |
599 java_class->int_field_put(_oop_size_offset, size); | |
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600 } |
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601 int java_lang_Class::static_oop_field_count(oop java_class) { |
3938 | 602 assert(_static_oop_field_count_offset != 0, "must be set"); |
603 return java_class->int_field(_static_oop_field_count_offset); | |
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604 } |
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605 void java_lang_Class::set_static_oop_field_count(oop java_class, int size) { |
3938 | 606 assert(_static_oop_field_count_offset != 0, "must be set"); |
607 java_class->int_field_put(_static_oop_field_count_offset, size); | |
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608 } |
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609 |
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610 oop java_lang_Class::protection_domain(oop java_class) { |
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611 assert(_protection_domain_offset != 0, "must be set"); |
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612 return java_class->obj_field(_protection_domain_offset); |
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613 } |
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614 void java_lang_Class::set_protection_domain(oop java_class, oop pd) { |
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615 assert(_protection_domain_offset != 0, "must be set"); |
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616 java_class->obj_field_put(_protection_domain_offset, pd); |
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617 } |
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618 |
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619 oop java_lang_Class::init_lock(oop java_class) { |
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620 assert(_init_lock_offset != 0, "must be set"); |
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621 return java_class->obj_field(_init_lock_offset); |
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622 } |
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623 void java_lang_Class::set_init_lock(oop java_class, oop init_lock) { |
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624 assert(_init_lock_offset != 0, "must be set"); |
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625 java_class->obj_field_put(_init_lock_offset, init_lock); |
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626 } |
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627 |
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628 objArrayOop java_lang_Class::signers(oop java_class) { |
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629 assert(_signers_offset != 0, "must be set"); |
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630 return (objArrayOop)java_class->obj_field(_signers_offset); |
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631 } |
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632 void java_lang_Class::set_signers(oop java_class, objArrayOop signers) { |
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633 assert(_signers_offset != 0, "must be set"); |
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634 java_class->obj_field_put(_signers_offset, (oop)signers); |
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635 } |
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636 |
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637 |
0 | 638 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) { |
639 // This should be improved by adding a field at the Java level or by | |
640 // introducing a new VM klass (see comment in ClassFileParser) | |
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641 oop java_class = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(NULL, CHECK_0); |
0 | 642 if (type != T_VOID) { |
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643 Klass* aklass = Universe::typeArrayKlassObj(type); |
0 | 644 assert(aklass != NULL, "correct bootstrap"); |
645 set_array_klass(java_class, aklass); | |
646 } | |
4009 | 647 #ifdef ASSERT |
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648 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(SystemDictionary::Class_klass()); |
4009 | 649 assert(java_lang_Class::static_oop_field_count(java_class) == 0, "should have been zeroed by allocation"); |
650 #endif | |
0 | 651 return java_class; |
652 } | |
653 | |
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654 #ifdef GRAAL |
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655 oop java_lang_Class::graal_mirror(oop java_class) { |
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656 assert(_graal_mirror_offset != 0, "must be set"); |
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657 return java_class->obj_field(_graal_mirror_offset); |
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658 } |
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659 #endif |
0 | 660 |
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661 Klass* java_lang_Class::as_Klass(oop java_class) { |
0 | 662 //%note memory_2 |
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663 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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664 Klass* k = ((Klass*)java_class->metadata_field(_klass_offset)); |
0 | 665 assert(k == NULL || k->is_klass(), "type check"); |
666 return k; | |
667 } | |
668 | |
669 | |
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670 void java_lang_Class::set_klass(oop java_class, Klass* klass) { |
4009 | 671 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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672 java_class->metadata_field_put(_klass_offset, klass); |
4009 | 673 } |
674 | |
675 | |
665
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676 void java_lang_Class::print_signature(oop java_class, outputStream* st) { |
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677 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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678 Symbol* name = NULL; |
665
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679 bool is_instance = false; |
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680 if (is_primitive(java_class)) { |
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681 name = vmSymbols::type_signature(primitive_type(java_class)); |
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682 } else { |
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683 Klass* k = as_Klass(java_class); |
6983 | 684 is_instance = k->oop_is_instance(); |
685 name = k->name(); | |
665
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686 } |
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687 if (name == NULL) { |
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688 st->print("<null>"); |
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689 return; |
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690 } |
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691 if (is_instance) st->print("L"); |
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692 st->write((char*) name->base(), (int) name->utf8_length()); |
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693 if (is_instance) st->print(";"); |
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694 } |
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695 |
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696 Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) { |
665
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697 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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698 Symbol* name; |
665
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699 if (is_primitive(java_class)) { |
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700 name = vmSymbols::type_signature(primitive_type(java_class)); |
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701 // Because this can create a new symbol, the caller has to decrement |
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702 // the refcount, so make adjustment here and below for symbols returned |
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703 // that are not created or incremented due to a successful lookup. |
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704 name->increment_refcount(); |
665
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705 } else { |
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706 Klass* k = as_Klass(java_class); |
6983 | 707 if (!k->oop_is_instance()) { |
708 name = k->name(); | |
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709 name->increment_refcount(); |
665
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710 } else { |
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711 ResourceMark rm; |
6983 | 712 const char* sigstr = k->signature_name(); |
665
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713 int siglen = (int) strlen(sigstr); |
2177
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714 if (!intern_if_not_found) { |
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715 name = SymbolTable::probe(sigstr, siglen); |
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716 } else { |
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717 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
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718 } |
665
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719 } |
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720 } |
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721 return name; |
665
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722 } |
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723 |
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724 |
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725 Klass* java_lang_Class::array_klass(oop java_class) { |
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726 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
6983 | 727 assert(k == NULL || k->is_klass() && k->oop_is_array(), "should be array klass"); |
0 | 728 return k; |
729 } | |
730 | |
731 | |
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732 void java_lang_Class::set_array_klass(oop java_class, Klass* klass) { |
6983 | 733 assert(klass->is_klass() && klass->oop_is_array(), "should be array klass"); |
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734 java_class->metadata_field_put(_array_klass_offset, klass); |
0 | 735 } |
736 | |
737 | |
738 bool java_lang_Class::is_primitive(oop java_class) { | |
665
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739 // should assert: |
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740 //assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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741 bool is_primitive = (java_class->metadata_field(_klass_offset) == NULL); |
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742 |
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743 #ifdef ASSERT |
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744 if (is_primitive) { |
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745 Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
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746 assert(k == NULL || is_java_primitive(ArrayKlass::cast(k)->element_type()), |
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747 "Should be either the T_VOID primitive or a java primitive"); |
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748 } |
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749 #endif |
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750 |
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751 return is_primitive; |
0 | 752 } |
753 | |
754 | |
755 BasicType java_lang_Class::primitive_type(oop java_class) { | |
756 assert(java_lang_Class::is_primitive(java_class), "just checking"); | |
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757 Klass* ak = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
0 | 758 BasicType type = T_VOID; |
759 if (ak != NULL) { | |
760 // Note: create_basic_type_mirror above initializes ak to a non-null value. | |
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761 type = ArrayKlass::cast(ak)->element_type(); |
0 | 762 } else { |
763 assert(java_class == Universe::void_mirror(), "only valid non-array primitive"); | |
764 } | |
765 assert(Universe::java_mirror(type) == java_class, "must be consistent"); | |
766 return type; | |
767 } | |
768 | |
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769 BasicType java_lang_Class::as_BasicType(oop java_class, Klass** reference_klass) { |
665
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770 assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
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771 if (is_primitive(java_class)) { |
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772 if (reference_klass != NULL) |
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773 (*reference_klass) = NULL; |
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774 return primitive_type(java_class); |
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775 } else { |
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776 if (reference_klass != NULL) |
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777 (*reference_klass) = as_Klass(java_class); |
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778 return T_OBJECT; |
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779 } |
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780 } |
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781 |
0 | 782 |
783 oop java_lang_Class::primitive_mirror(BasicType t) { | |
784 oop mirror = Universe::java_mirror(t); | |
1142 | 785 assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class"); |
0 | 786 assert(java_lang_Class::is_primitive(mirror), "must be primitive"); |
787 return mirror; | |
788 } | |
789 | |
790 bool java_lang_Class::offsets_computed = false; | |
791 int java_lang_Class::classRedefinedCount_offset = -1; | |
792 | |
793 void java_lang_Class::compute_offsets() { | |
794 assert(!offsets_computed, "offsets should be initialized only once"); | |
795 offsets_computed = true; | |
796 | |
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797 Klass* klass_oop = SystemDictionary::Class_klass(); |
0 | 798 // The classRedefinedCount field is only present starting in 1.5, |
799 // so don't go fatal. | |
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800 compute_optional_offset(classRedefinedCount_offset, |
3938 | 801 klass_oop, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature()); |
802 | |
803 CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
0 | 804 } |
805 | |
806 int java_lang_Class::classRedefinedCount(oop the_class_mirror) { | |
807 if (!JDK_Version::is_gte_jdk15x_version() | |
808 || classRedefinedCount_offset == -1) { | |
809 // The classRedefinedCount field is only present starting in 1.5. | |
810 // If we don't have an offset for it then just return -1 as a marker. | |
811 return -1; | |
812 } | |
813 | |
814 return the_class_mirror->int_field(classRedefinedCount_offset); | |
815 } | |
816 | |
817 void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) { | |
818 if (!JDK_Version::is_gte_jdk15x_version() | |
819 || classRedefinedCount_offset == -1) { | |
820 // The classRedefinedCount field is only present starting in 1.5. | |
821 // If we don't have an offset for it then nothing to set. | |
822 return; | |
823 } | |
824 | |
825 the_class_mirror->int_field_put(classRedefinedCount_offset, value); | |
826 } | |
827 | |
828 | |
829 // Note: JDK1.1 and before had a privateInfo_offset field which was used for the | |
830 // platform thread structure, and a eetop offset which was used for thread | |
831 // local storage (and unused by the HotSpot VM). In JDK1.2 the two structures | |
832 // merged, so in the HotSpot VM we just use the eetop field for the thread | |
833 // instead of the privateInfo_offset. | |
834 // | |
835 // Note: The stackSize field is only present starting in 1.4. | |
836 | |
837 int java_lang_Thread::_name_offset = 0; | |
838 int java_lang_Thread::_group_offset = 0; | |
839 int java_lang_Thread::_contextClassLoader_offset = 0; | |
840 int java_lang_Thread::_inheritedAccessControlContext_offset = 0; | |
841 int java_lang_Thread::_priority_offset = 0; | |
842 int java_lang_Thread::_eetop_offset = 0; | |
843 int java_lang_Thread::_daemon_offset = 0; | |
844 int java_lang_Thread::_stillborn_offset = 0; | |
845 int java_lang_Thread::_stackSize_offset = 0; | |
846 int java_lang_Thread::_tid_offset = 0; | |
847 int java_lang_Thread::_thread_status_offset = 0; | |
848 int java_lang_Thread::_park_blocker_offset = 0; | |
849 int java_lang_Thread::_park_event_offset = 0 ; | |
850 | |
851 | |
852 void java_lang_Thread::compute_offsets() { | |
853 assert(_group_offset == 0, "offsets should be initialized only once"); | |
854 | |
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855 Klass* k = SystemDictionary::Thread_klass(); |
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856 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature()); |
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857 compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature()); |
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858 compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature()); |
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859 compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature()); |
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860 compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature()); |
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861 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
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862 compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature()); |
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863 compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature()); |
0 | 864 // The stackSize field is only present starting in 1.4, so don't go fatal. |
132
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865 compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature()); |
0 | 866 // The tid and thread_status fields are only present starting in 1.5, so don't go fatal. |
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867 compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature()); |
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868 compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature()); |
0 | 869 // The parkBlocker field is only present starting in 1.6, so don't go fatal. |
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870 compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature()); |
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871 compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(), |
0 | 872 vmSymbols::long_signature()); |
873 } | |
874 | |
875 | |
876 JavaThread* java_lang_Thread::thread(oop java_thread) { | |
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877 return (JavaThread*)java_thread->address_field(_eetop_offset); |
0 | 878 } |
879 | |
880 | |
881 void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) { | |
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882 java_thread->address_field_put(_eetop_offset, (address)thread); |
0 | 883 } |
884 | |
885 | |
886 typeArrayOop java_lang_Thread::name(oop java_thread) { | |
887 oop name = java_thread->obj_field(_name_offset); | |
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888 assert(name == NULL || (name->is_typeArray() && TypeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking"); |
0 | 889 return typeArrayOop(name); |
890 } | |
891 | |
892 | |
893 void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) { | |
894 assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL"); | |
895 java_thread->obj_field_put(_name_offset, name); | |
896 } | |
897 | |
898 | |
899 ThreadPriority java_lang_Thread::priority(oop java_thread) { | |
900 return (ThreadPriority)java_thread->int_field(_priority_offset); | |
901 } | |
902 | |
903 | |
904 void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) { | |
905 java_thread->int_field_put(_priority_offset, priority); | |
906 } | |
907 | |
908 | |
909 oop java_lang_Thread::threadGroup(oop java_thread) { | |
910 return java_thread->obj_field(_group_offset); | |
911 } | |
912 | |
913 | |
914 bool java_lang_Thread::is_stillborn(oop java_thread) { | |
915 return java_thread->bool_field(_stillborn_offset) != 0; | |
916 } | |
917 | |
918 | |
919 // We never have reason to turn the stillborn bit off | |
920 void java_lang_Thread::set_stillborn(oop java_thread) { | |
921 java_thread->bool_field_put(_stillborn_offset, true); | |
922 } | |
923 | |
924 | |
925 bool java_lang_Thread::is_alive(oop java_thread) { | |
926 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
927 return (thr != NULL); | |
928 } | |
929 | |
930 | |
931 bool java_lang_Thread::is_daemon(oop java_thread) { | |
932 return java_thread->bool_field(_daemon_offset) != 0; | |
933 } | |
934 | |
935 | |
936 void java_lang_Thread::set_daemon(oop java_thread) { | |
937 java_thread->bool_field_put(_daemon_offset, true); | |
938 } | |
939 | |
940 oop java_lang_Thread::context_class_loader(oop java_thread) { | |
941 return java_thread->obj_field(_contextClassLoader_offset); | |
942 } | |
943 | |
944 oop java_lang_Thread::inherited_access_control_context(oop java_thread) { | |
945 return java_thread->obj_field(_inheritedAccessControlContext_offset); | |
946 } | |
947 | |
948 | |
949 jlong java_lang_Thread::stackSize(oop java_thread) { | |
950 // The stackSize field is only present starting in 1.4 | |
951 if (_stackSize_offset > 0) { | |
952 assert(JDK_Version::is_gte_jdk14x_version(), "sanity check"); | |
953 return java_thread->long_field(_stackSize_offset); | |
954 } else { | |
955 return 0; | |
956 } | |
957 } | |
958 | |
959 // Write the thread status value to threadStatus field in java.lang.Thread java class. | |
960 void java_lang_Thread::set_thread_status(oop java_thread, | |
961 java_lang_Thread::ThreadStatus status) { | |
962 // The threadStatus is only present starting in 1.5 | |
963 if (_thread_status_offset > 0) { | |
964 java_thread->int_field_put(_thread_status_offset, status); | |
965 } | |
966 } | |
967 | |
968 // Read thread status value from threadStatus field in java.lang.Thread java class. | |
969 java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { | |
10405 | 970 assert(Thread::current()->is_Watcher_thread() || Thread::current()->is_VM_thread() || |
0 | 971 JavaThread::current()->thread_state() == _thread_in_vm, |
972 "Java Thread is not running in vm"); | |
973 // The threadStatus is only present starting in 1.5 | |
974 if (_thread_status_offset > 0) { | |
975 return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
976 } else { | |
977 // All we can easily figure out is if it is alive, but that is | |
978 // enough info for a valid unknown status. | |
979 // These aren't restricted to valid set ThreadStatus values, so | |
980 // use JVMTI values and cast. | |
981 JavaThread* thr = java_lang_Thread::thread(java_thread); | |
982 if (thr == NULL) { | |
983 // the thread hasn't run yet or is in the process of exiting | |
984 return NEW; | |
985 } | |
986 return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE; | |
987 } | |
988 } | |
989 | |
990 | |
991 jlong java_lang_Thread::thread_id(oop java_thread) { | |
992 // The thread ID field is only present starting in 1.5 | |
993 if (_tid_offset > 0) { | |
994 return java_thread->long_field(_tid_offset); | |
995 } else { | |
996 return 0; | |
997 } | |
998 } | |
999 | |
1000 oop java_lang_Thread::park_blocker(oop java_thread) { | |
242 | 1001 assert(JDK_Version::current().supports_thread_park_blocker() && |
1002 _park_blocker_offset != 0, "Must support parkBlocker field"); | |
0 | 1003 |
1004 if (_park_blocker_offset > 0) { | |
1005 return java_thread->obj_field(_park_blocker_offset); | |
1006 } | |
1007 | |
1008 return NULL; | |
1009 } | |
1010 | |
1011 jlong java_lang_Thread::park_event(oop java_thread) { | |
1012 if (_park_event_offset > 0) { | |
1013 return java_thread->long_field(_park_event_offset); | |
1014 } | |
1015 return 0; | |
1016 } | |
1017 | |
1018 bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) { | |
1019 if (_park_event_offset > 0) { | |
1020 java_thread->long_field_put(_park_event_offset, ptr); | |
1021 return true; | |
1022 } | |
1023 return false; | |
1024 } | |
1025 | |
1026 | |
1027 const char* java_lang_Thread::thread_status_name(oop java_thread) { | |
1028 assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status"); | |
1029 ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); | |
1030 switch (status) { | |
1031 case NEW : return "NEW"; | |
1032 case RUNNABLE : return "RUNNABLE"; | |
1033 case SLEEPING : return "TIMED_WAITING (sleeping)"; | |
1034 case IN_OBJECT_WAIT : return "WAITING (on object monitor)"; | |
1035 case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)"; | |
1036 case PARKED : return "WAITING (parking)"; | |
1037 case PARKED_TIMED : return "TIMED_WAITING (parking)"; | |
1038 case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)"; | |
1039 case TERMINATED : return "TERMINATED"; | |
1040 default : return "UNKNOWN"; | |
1041 }; | |
1042 } | |
1043 int java_lang_ThreadGroup::_parent_offset = 0; | |
1044 int java_lang_ThreadGroup::_name_offset = 0; | |
1045 int java_lang_ThreadGroup::_threads_offset = 0; | |
1046 int java_lang_ThreadGroup::_groups_offset = 0; | |
1047 int java_lang_ThreadGroup::_maxPriority_offset = 0; | |
1048 int java_lang_ThreadGroup::_destroyed_offset = 0; | |
1049 int java_lang_ThreadGroup::_daemon_offset = 0; | |
1050 int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0; | |
1051 int java_lang_ThreadGroup::_nthreads_offset = 0; | |
1052 int java_lang_ThreadGroup::_ngroups_offset = 0; | |
1053 | |
1054 oop java_lang_ThreadGroup::parent(oop java_thread_group) { | |
1055 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1056 return java_thread_group->obj_field(_parent_offset); | |
1057 } | |
1058 | |
1059 // ("name as oop" accessor is not necessary) | |
1060 | |
1061 typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) { | |
1062 oop name = java_thread_group->obj_field(_name_offset); | |
1063 // ThreadGroup.name can be null | |
1064 return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name); | |
1065 } | |
1066 | |
1067 int java_lang_ThreadGroup::nthreads(oop java_thread_group) { | |
1068 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1069 return java_thread_group->int_field(_nthreads_offset); | |
1070 } | |
1071 | |
1072 objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) { | |
1073 oop threads = java_thread_group->obj_field(_threads_offset); | |
1074 assert(threads != NULL, "threadgroups should have threads"); | |
1075 assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code | |
1076 return objArrayOop(threads); | |
1077 } | |
1078 | |
1079 int java_lang_ThreadGroup::ngroups(oop java_thread_group) { | |
1080 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1081 return java_thread_group->int_field(_ngroups_offset); | |
1082 } | |
1083 | |
1084 objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) { | |
1085 oop groups = java_thread_group->obj_field(_groups_offset); | |
1086 assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code | |
1087 return objArrayOop(groups); | |
1088 } | |
1089 | |
1090 ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) { | |
1091 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1092 return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset); | |
1093 } | |
1094 | |
1095 bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) { | |
1096 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1097 return java_thread_group->bool_field(_destroyed_offset) != 0; | |
1098 } | |
1099 | |
1100 bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) { | |
1101 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1102 return java_thread_group->bool_field(_daemon_offset) != 0; | |
1103 } | |
1104 | |
1105 bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) { | |
1106 assert(java_thread_group->is_oop(), "thread group must be oop"); | |
1107 return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0; | |
1108 } | |
1109 | |
1110 void java_lang_ThreadGroup::compute_offsets() { | |
1111 assert(_parent_offset == 0, "offsets should be initialized only once"); | |
1112 | |
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1113 Klass* k = SystemDictionary::ThreadGroup_klass(); |
0 | 1114 |
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1115 compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature()); |
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1116 compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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1117 compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature()); |
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1118 compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature()); |
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1119 compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature()); |
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1120 compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature()); |
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1121 compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
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1122 compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature()); |
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1123 compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature()); |
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1124 compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature()); |
0 | 1125 } |
1126 | |
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1127 oop java_lang_Throwable::unassigned_stacktrace() { |
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1128 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Throwable_klass()); |
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1129 address addr = ik->static_field_addr(static_unassigned_stacktrace_offset); |
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1130 if (UseCompressedOops) { |
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1131 return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
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1132 } else { |
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1133 return oopDesc::load_decode_heap_oop((oop*)addr); |
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1134 } |
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1135 } |
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1136 |
0 | 1137 oop java_lang_Throwable::backtrace(oop throwable) { |
1138 return throwable->obj_field_acquire(backtrace_offset); | |
1139 } | |
1140 | |
1141 | |
1142 void java_lang_Throwable::set_backtrace(oop throwable, oop value) { | |
1143 throwable->release_obj_field_put(backtrace_offset, value); | |
1144 } | |
1145 | |
1146 | |
1147 oop java_lang_Throwable::message(oop throwable) { | |
1148 return throwable->obj_field(detailMessage_offset); | |
1149 } | |
1150 | |
1151 | |
1152 oop java_lang_Throwable::message(Handle throwable) { | |
1153 return throwable->obj_field(detailMessage_offset); | |
1154 } | |
1155 | |
1156 | |
1157 void java_lang_Throwable::set_message(oop throwable, oop value) { | |
1158 throwable->obj_field_put(detailMessage_offset, value); | |
1159 } | |
1160 | |
1161 | |
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1162 void java_lang_Throwable::set_stacktrace(oop throwable, oop st_element_array) { |
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1163 throwable->obj_field_put(stackTrace_offset, st_element_array); |
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1164 } |
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1165 |
0 | 1166 void java_lang_Throwable::clear_stacktrace(oop throwable) { |
1167 assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); | |
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1168 set_stacktrace(throwable, NULL); |
0 | 1169 } |
1170 | |
1171 | |
1172 void java_lang_Throwable::print(oop throwable, outputStream* st) { | |
1173 ResourceMark rm; | |
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1174 Klass* k = throwable->klass(); |
0 | 1175 assert(k != NULL, "just checking"); |
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1176 st->print("%s", InstanceKlass::cast(k)->external_name()); |
0 | 1177 oop msg = message(throwable); |
1178 if (msg != NULL) { | |
1179 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
1180 } | |
1181 } | |
1182 | |
1183 | |
1184 void java_lang_Throwable::print(Handle throwable, outputStream* st) { | |
1185 ResourceMark rm; | |
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1186 Klass* k = throwable->klass(); |
0 | 1187 assert(k != NULL, "just checking"); |
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1188 st->print("%s", InstanceKlass::cast(k)->external_name()); |
0 | 1189 oop msg = message(throwable); |
1190 if (msg != NULL) { | |
1191 st->print(": %s", java_lang_String::as_utf8_string(msg)); | |
1192 } | |
1193 } | |
1194 | |
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1195 // After this many redefines, the stack trace is unreliable. |
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1196 const int MAX_VERSION = USHRT_MAX; |
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1197 |
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1198 // Helper backtrace functions to store bci|version together. |
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1199 static inline int merge_bci_and_version(int bci, int version) { |
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1200 // only store u2 for version, checking for overflow. |
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1201 if (version > USHRT_MAX || version < 0) version = MAX_VERSION; |
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1202 assert((jushort)bci == bci, "bci should be short"); |
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1203 return build_int_from_shorts(version, bci); |
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1204 } |
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1205 |
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1206 static inline int bci_at(unsigned int merged) { |
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1207 return extract_high_short_from_int(merged); |
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1208 } |
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1209 static inline int version_at(unsigned int merged) { |
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1210 return extract_low_short_from_int(merged); |
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1211 } |
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1212 |
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1213 static inline bool version_matches(Method* method, int version) { |
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1214 return (method->constants()->version() == version && version < MAX_VERSION); |
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1215 } |
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1216 |
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1217 static inline int get_line_number(Method* method, int bci) { |
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1218 int line_number = 0; |
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1219 if (method->is_native()) { |
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1220 // Negative value different from -1 below, enabling Java code in |
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1221 // class java.lang.StackTraceElement to distinguish "native" from |
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1222 // "no LineNumberTable". JDK tests for -2. |
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1223 line_number = -2; |
0 | 1224 } else { |
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1225 // Returns -1 if no LineNumberTable, and otherwise actual line number |
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1226 line_number = method->line_number_from_bci(bci); |
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1227 if (line_number == -1 && ShowHiddenFrames) { |
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1228 line_number = bci + 1000000; |
0 | 1229 } |
1230 } | |
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1231 return line_number; |
0 | 1232 } |
1233 | |
1234 // This class provides a simple wrapper over the internal structure of | |
1235 // exception backtrace to insulate users of the backtrace from needing | |
1236 // to know what it looks like. | |
1237 class BacktraceBuilder: public StackObj { | |
1238 private: | |
1239 Handle _backtrace; | |
1240 objArrayOop _head; | |
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1241 typeArrayOop _methods; |
0 | 1242 typeArrayOop _bcis; |
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1243 objArrayOop _mirrors; |
0 | 1244 int _index; |
1245 No_Safepoint_Verifier _nsv; | |
1246 | |
1247 public: | |
1248 | |
1249 enum { | |
1250 trace_methods_offset = java_lang_Throwable::trace_methods_offset, | |
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1251 trace_bcis_offset = java_lang_Throwable::trace_bcis_offset, |
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1252 trace_mirrors_offset = java_lang_Throwable::trace_mirrors_offset, |
0 | 1253 trace_next_offset = java_lang_Throwable::trace_next_offset, |
1254 trace_size = java_lang_Throwable::trace_size, | |
1255 trace_chunk_size = java_lang_Throwable::trace_chunk_size | |
1256 }; | |
1257 | |
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1258 // get info out of chunks |
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1259 static typeArrayOop get_methods(objArrayHandle chunk) { |
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1260 typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset)); |
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1261 assert(methods != NULL, "method array should be initialized in backtrace"); |
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1262 return methods; |
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1263 } |
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1264 static typeArrayOop get_bcis(objArrayHandle chunk) { |
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1265 typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
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1266 assert(bcis != NULL, "bci array should be initialized in backtrace"); |
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1267 return bcis; |
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1268 } |
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1269 static objArrayOop get_mirrors(objArrayHandle chunk) { |
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1270 objArrayOop mirrors = objArrayOop(chunk->obj_at(trace_mirrors_offset)); |
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1271 assert(mirrors != NULL, "mirror array should be initialized in backtrace"); |
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1272 return mirrors; |
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1273 } |
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1274 |
0 | 1275 // constructor for new backtrace |
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1276 BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _mirrors(NULL) { |
0 | 1277 expand(CHECK); |
1278 _backtrace = _head; | |
1279 _index = 0; | |
1280 } | |
1281 | |
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1282 BacktraceBuilder(objArrayHandle backtrace) { |
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1283 _methods = get_methods(backtrace); |
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1284 _bcis = get_bcis(backtrace); |
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1285 _mirrors = get_mirrors(backtrace); |
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1286 assert(_methods->length() == _bcis->length() && |
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1287 _methods->length() == _mirrors->length(), |
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1288 "method and source information arrays should match"); |
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1289 |
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1290 // head is the preallocated backtrace |
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1291 _backtrace = _head = backtrace(); |
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1292 _index = 0; |
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1293 } |
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1294 |
0 | 1295 void expand(TRAPS) { |
1296 objArrayHandle old_head(THREAD, _head); | |
1297 Pause_No_Safepoint_Verifier pnsv(&_nsv); | |
1298 | |
1299 objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK); | |
1300 objArrayHandle new_head(THREAD, head); | |
1301 | |
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1302 typeArrayOop methods = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
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1303 typeArrayHandle new_methods(THREAD, methods); |
0 | 1304 |
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1305 typeArrayOop bcis = oopFactory::new_intArray(trace_chunk_size, CHECK); |
0 | 1306 typeArrayHandle new_bcis(THREAD, bcis); |
1307 | |
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1308 objArrayOop mirrors = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
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1309 objArrayHandle new_mirrors(THREAD, mirrors); |
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1310 |
0 | 1311 if (!old_head.is_null()) { |
1312 old_head->obj_at_put(trace_next_offset, new_head()); | |
1313 } | |
1314 new_head->obj_at_put(trace_methods_offset, new_methods()); | |
1315 new_head->obj_at_put(trace_bcis_offset, new_bcis()); | |
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1316 new_head->obj_at_put(trace_mirrors_offset, new_mirrors()); |
0 | 1317 |
1318 _head = new_head(); | |
1319 _methods = new_methods(); | |
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1320 _bcis = new_bcis(); |
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1321 _mirrors = new_mirrors(); |
0 | 1322 _index = 0; |
1323 } | |
1324 | |
1325 oop backtrace() { | |
1326 return _backtrace(); | |
1327 } | |
1328 | |
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1329 inline void push(Method* method, int bci, TRAPS) { |
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1330 // Smear the -1 bci to 0 since the array only holds unsigned |
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1331 // shorts. The later line number lookup would just smear the -1 |
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1332 // to a 0 even if it could be recorded. |
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1333 if (bci == SynchronizationEntryBCI) bci = 0; |
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1334 |
0 | 1335 if (_index >= trace_chunk_size) { |
1336 methodHandle mhandle(THREAD, method); | |
1337 expand(CHECK); | |
1338 method = mhandle(); | |
1339 } | |
1340 | |
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1341 _methods->short_at_put(_index, method->method_idnum()); |
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1342 _bcis->int_at_put(_index, merge_bci_and_version(bci, method->constants()->version())); |
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1343 |
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1344 // We need to save the mirrors in the backtrace to keep the class |
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1345 // from being unloaded while we still have this stack trace. |
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1346 assert(method->method_holder()->java_mirror() != NULL, "never push null for mirror"); |
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1347 _mirrors->obj_at_put(_index, method->method_holder()->java_mirror()); |
0 | 1348 _index++; |
1349 } | |
1350 | |
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1351 }; |
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1352 |
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1353 // Print stack trace element to resource allocated buffer |
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1354 char* java_lang_Throwable::print_stack_element_to_buffer(Handle mirror, |
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1355 int method_id, int version, int bci) { |
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1356 |
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1357 // Get strings and string lengths |
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1358 InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror())); |
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1359 const char* klass_name = holder->external_name(); |
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1360 int buf_len = (int)strlen(klass_name); |
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1361 |
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1362 // pushing to the stack trace added one. |
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1363 Method* method = holder->method_with_idnum(method_id); |
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1364 char* method_name = method->name()->as_C_string(); |
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1365 buf_len += (int)strlen(method_name); |
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1366 |
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1367 char* source_file_name = NULL; |
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1368 if (version_matches(method, version)) { |
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1369 Symbol* source = holder->source_file_name(); |
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1370 if (source != NULL) { |
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1371 source_file_name = source->as_C_string(); |
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1372 buf_len += (int)strlen(source_file_name); |
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1373 } |
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1374 } |
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1375 |
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1376 // Allocate temporary buffer with extra space for formatting and line number |
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1377 char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); |
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1378 |
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1379 // Print stack trace line in buffer |
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1380 sprintf(buf, "\tat %s.%s", klass_name, method_name); |
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1381 |
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1382 if (!version_matches(method, version)) { |
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1383 strcat(buf, "(Redefined)"); |
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1384 } else { |
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1385 int line_number = get_line_number(method, bci); |
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1386 if (line_number == -2) { |
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1387 strcat(buf, "(Native Method)"); |
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1388 } else { |
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1389 if (source_file_name != NULL && (line_number != -1)) { |
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1390 // Sourcename and linenumber |
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1391 sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number); |
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1392 } else if (source_file_name != NULL) { |
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1393 // Just sourcename |
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1394 sprintf(buf + (int)strlen(buf), "(%s)", source_file_name); |
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1395 } else { |
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1396 // Neither sourcename nor linenumber |
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1397 sprintf(buf + (int)strlen(buf), "(Unknown Source)"); |
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1398 } |
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1399 nmethod* nm = method->code(); |
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1400 if (WizardMode && nm != NULL) { |
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1401 sprintf(buf + (int)strlen(buf), "(nmethod " INTPTR_FORMAT ")", (intptr_t)nm); |
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1402 } |
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1403 } |
0 | 1404 } |
1405 | |
7624
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1406 return buf; |
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1407 } |
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1408 |
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1409 void java_lang_Throwable::print_stack_element(outputStream *st, Handle mirror, |
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1410 int method_id, int version, int bci) { |
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1411 ResourceMark rm; |
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1412 char* buf = print_stack_element_to_buffer(mirror, method_id, version, bci); |
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1413 st->print_cr("%s", buf); |
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1414 } |
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1415 |
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1416 void java_lang_Throwable::print_stack_element(outputStream *st, methodHandle method, int bci) { |
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1417 Handle mirror = method->method_holder()->java_mirror(); |
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1418 int method_id = method->method_idnum(); |
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1419 int version = method->constants()->version(); |
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1420 print_stack_element(st, mirror, method_id, version, bci); |
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1421 } |
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1422 |
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1423 const char* java_lang_Throwable::no_stack_trace_message() { |
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1424 return "\t<<no stack trace available>>"; |
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1425 } |
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1426 |
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1427 |
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1428 // Currently used only for exceptions occurring during startup |
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1429 void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) { |
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1430 Thread *THREAD = Thread::current(); |
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1431 Handle h_throwable(THREAD, throwable); |
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1432 while (h_throwable.not_null()) { |
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1433 objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable()))); |
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1434 if (result.is_null()) { |
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1435 st->print_cr(no_stack_trace_message()); |
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1436 return; |
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1437 } |
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1438 |
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1439 while (result.not_null()) { |
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1440 |
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1441 // Get method id, bci, version and mirror from chunk |
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1442 typeArrayHandle methods (THREAD, BacktraceBuilder::get_methods(result)); |
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1443 typeArrayHandle bcis (THREAD, BacktraceBuilder::get_bcis(result)); |
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1444 objArrayHandle mirrors (THREAD, BacktraceBuilder::get_mirrors(result)); |
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1445 |
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1446 int length = methods()->length(); |
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1447 for (int index = 0; index < length; index++) { |
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1448 Handle mirror(THREAD, mirrors->obj_at(index)); |
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1449 // NULL mirror means end of stack trace |
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1450 if (mirror.is_null()) goto handle_cause; |
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1451 int method = methods->short_at(index); |
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1452 int version = version_at(bcis->int_at(index)); |
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1453 int bci = bci_at(bcis->int_at(index)); |
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1454 print_stack_element(st, mirror, method, version, bci); |
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1455 } |
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1456 result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset))); |
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1457 } |
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1458 handle_cause: |
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1459 { |
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1460 EXCEPTION_MARK; |
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1461 JavaValue cause(T_OBJECT); |
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1462 JavaCalls::call_virtual(&cause, |
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1463 h_throwable, |
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1464 KlassHandle(THREAD, h_throwable->klass()), |
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1465 vmSymbols::getCause_name(), |
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1466 vmSymbols::void_throwable_signature(), |
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1467 THREAD); |
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1468 // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
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1469 if (HAS_PENDING_EXCEPTION) { |
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1470 CLEAR_PENDING_EXCEPTION; |
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1471 h_throwable = Handle(); |
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1472 } else { |
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1473 h_throwable = Handle(THREAD, (oop) cause.get_jobject()); |
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1474 if (h_throwable.not_null()) { |
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1475 st->print("Caused by: "); |
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1476 print(h_throwable, st); |
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1477 st->cr(); |
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1478 } |
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1479 } |
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1480 } |
0 | 1481 } |
7624
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1482 } |
0 | 1483 |
3272
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1484 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) { |
0 | 1485 if (!StackTraceInThrowable) return; |
1486 ResourceMark rm(THREAD); | |
1487 | |
1488 // Start out by clearing the backtrace for this object, in case the VM | |
1489 // runs out of memory while allocating the stack trace | |
1490 set_backtrace(throwable(), NULL); | |
1491 if (JDK_Version::is_gte_jdk14x_version()) { | |
1492 // New since 1.4, clear lazily constructed Java level stacktrace if | |
1493 // refilling occurs | |
3820
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1494 // This is unnecessary in 1.7+ but harmless |
0 | 1495 clear_stacktrace(throwable()); |
1496 } | |
1497 | |
1498 int max_depth = MaxJavaStackTraceDepth; | |
1499 JavaThread* thread = (JavaThread*)THREAD; | |
1500 BacktraceBuilder bt(CHECK); | |
1501 | |
3272
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1502 // If there is no Java frame just return the method that was being called |
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1503 // with bci 0 |
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1504 if (!thread->has_last_Java_frame()) { |
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1505 if (max_depth >= 1 && method() != NULL) { |
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1506 bt.push(method(), 0, CHECK); |
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1507 set_backtrace(throwable(), bt.backtrace()); |
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1508 } |
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1509 return; |
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1510 } |
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1511 |
0 | 1512 // Instead of using vframe directly, this version of fill_in_stack_trace |
1513 // basically handles everything by hand. This significantly improved the | |
1514 // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows. | |
1515 // See bug 6333838 for more details. | |
1516 // The "ASSERT" here is to verify this method generates the exactly same stack | |
1517 // trace as utilizing vframe. | |
1518 #ifdef ASSERT | |
1519 vframeStream st(thread); | |
1520 methodHandle st_method(THREAD, st.method()); | |
1521 #endif | |
1522 int total_count = 0; | |
1523 RegisterMap map(thread, false); | |
1524 int decode_offset = 0; | |
1525 nmethod* nm = NULL; | |
1526 bool skip_fillInStackTrace_check = false; | |
1527 bool skip_throwableInit_check = false; | |
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1528 bool skip_hidden = !ShowHiddenFrames; |
0 | 1529 |
1530 for (frame fr = thread->last_frame(); max_depth != total_count;) { | |
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1531 Method* method = NULL; |
0 | 1532 int bci = 0; |
1533 | |
1534 // Compiled java method case. | |
1535 if (decode_offset != 0) { | |
1536 DebugInfoReadStream stream(nm, decode_offset); | |
1537 decode_offset = stream.read_int(); | |
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1538 method = (Method*)nm->metadata_at(stream.read_int()); |
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1539 bci = stream.read_bci(); |
0 | 1540 } else { |
1541 if (fr.is_first_frame()) break; | |
1542 address pc = fr.pc(); | |
1543 if (fr.is_interpreted_frame()) { | |
1544 intptr_t bcx = fr.interpreter_frame_bcx(); | |
1545 method = fr.interpreter_frame_method(); | |
1546 bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx); | |
1547 fr = fr.sender(&map); | |
1548 } else { | |
1549 CodeBlob* cb = fr.cb(); | |
1550 // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL | |
1551 // but non nmethod | |
1552 fr = fr.sender(&map); | |
1553 if (cb == NULL || !cb->is_nmethod()) { | |
1554 continue; | |
1555 } | |
1556 nm = (nmethod*)cb; | |
1557 if (nm->method()->is_native()) { | |
1558 method = nm->method(); | |
1559 bci = 0; | |
1560 } else { | |
1561 PcDesc* pd = nm->pc_desc_at(pc); | |
1562 decode_offset = pd->scope_decode_offset(); | |
1563 // if decode_offset is not equal to 0, it will execute the | |
1564 // "compiled java method case" at the beginning of the loop. | |
1565 continue; | |
1566 } | |
1567 } | |
1568 } | |
1569 #ifdef ASSERT | |
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1570 assert(st_method() == method && st.bci() == bci, |
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1571 "Wrong stack trace"); |
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1572 st.next(); |
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1573 // vframeStream::method isn't GC-safe so store off a copy |
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1574 // of the Method* in case we GC. |
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1575 if (!st.at_end()) { |
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1576 st_method = st.method(); |
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1577 } |
0 | 1578 #endif |
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1579 |
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1580 // the format of the stacktrace will be: |
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1581 // - 1 or more fillInStackTrace frames for the exception class (skipped) |
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1582 // - 0 or more <init> methods for the exception class (skipped) |
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1583 // - rest of the stack |
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1584 |
0 | 1585 if (!skip_fillInStackTrace_check) { |
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1586 if ((method->name() == vmSymbols::fillInStackTrace_name() || |
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1587 method->name() == vmSymbols::fillInStackTrace0_name()) && |
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1588 throwable->is_a(method->method_holder())) { |
0 | 1589 continue; |
1590 } | |
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1591 else { |
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1592 skip_fillInStackTrace_check = true; // gone past them all |
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1593 } |
0 | 1594 } |
1595 if (!skip_throwableInit_check) { | |
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1596 assert(skip_fillInStackTrace_check, "logic error in backtrace filtering"); |
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1597 |
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1598 // skip <init> methods of the exception class and superclasses |
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1599 // This is simlar to classic VM. |
0 | 1600 if (method->name() == vmSymbols::object_initializer_name() && |
1601 throwable->is_a(method->method_holder())) { | |
1602 continue; | |
1603 } else { | |
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1604 // there are none or we've seen them all - either way stop checking |
0 | 1605 skip_throwableInit_check = true; |
1606 } | |
1607 } | |
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1608 if (method->is_hidden()) { |
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1609 if (skip_hidden) continue; |
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1610 } |
0 | 1611 bt.push(method, bci, CHECK); |
1612 total_count++; | |
1613 } | |
1614 | |
1615 // Put completed stack trace into throwable object | |
1616 set_backtrace(throwable(), bt.backtrace()); | |
1617 } | |
1618 | |
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1619 void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) { |
0 | 1620 // No-op if stack trace is disabled |
1621 if (!StackTraceInThrowable) { | |
1622 return; | |
1623 } | |
1624 | |
1625 // Disable stack traces for some preallocated out of memory errors | |
1626 if (!Universe::should_fill_in_stack_trace(throwable)) { | |
1627 return; | |
1628 } | |
1629 | |
1630 PRESERVE_EXCEPTION_MARK; | |
1631 | |
1632 JavaThread* thread = JavaThread::active(); | |
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1633 fill_in_stack_trace(throwable, method, thread); |
0 | 1634 // ignore exceptions thrown during stack trace filling |
1635 CLEAR_PENDING_EXCEPTION; | |
1636 } | |
1637 | |
1638 void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) { | |
1639 // Allocate stack trace - backtrace is created but not filled in | |
1640 | |
1641 // No-op if stack trace is disabled | |
1642 if (!StackTraceInThrowable) return; | |
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1643 BacktraceBuilder bt(CHECK); // creates a backtrace |
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1644 set_backtrace(throwable(), bt.backtrace()); |
0 | 1645 } |
1646 | |
1647 | |
1648 void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) { | |
1649 // Fill in stack trace into preallocated backtrace (no GC) | |
1650 | |
1651 // No-op if stack trace is disabled | |
1652 if (!StackTraceInThrowable) return; | |
1653 | |
1142 | 1654 assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check"); |
0 | 1655 |
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1656 JavaThread* THREAD = JavaThread::current(); |
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1657 |
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1658 objArrayHandle backtrace (THREAD, (objArrayOop)java_lang_Throwable::backtrace(throwable())); |
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1659 assert(backtrace.not_null(), "backtrace should have been preallocated"); |
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1660 |
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1661 ResourceMark rm(THREAD); |
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1662 vframeStream st(THREAD); |
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1663 |
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1664 BacktraceBuilder bt(backtrace); |
0 | 1665 |
1666 // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init | |
1667 // methods as preallocated errors aren't created by "java" code. | |
1668 | |
1669 // fill in as much stack trace as possible | |
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1670 typeArrayOop methods = BacktraceBuilder::get_methods(backtrace); |
0 | 1671 int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth); |
1672 int chunk_count = 0; | |
1673 | |
1674 for (;!st.at_end(); st.next()) { | |
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1675 bt.push(st.method(), st.bci(), CHECK); |
0 | 1676 chunk_count++; |
1677 | |
1678 // Bail-out for deep stacks | |
1679 if (chunk_count >= max_chunks) break; | |
1680 } | |
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1681 |
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1682 // For Java 7+ we support the Throwable immutability protocol defined for Java 7. This support |
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1683 // was missing in 7u0 so in 7u0 there is a workaround in the Throwable class. That workaround |
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1684 // can be removed in a JDK using this JVM version |
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1685 if (JDK_Version::is_gte_jdk17x_version()) { |
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1686 java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace()); |
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1687 assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized"); |
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1688 } |
0 | 1689 } |
1690 | |
1691 | |
1692 int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) { | |
1693 if (throwable == NULL) { | |
1694 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
1695 } | |
1696 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
1697 int depth = 0; | |
1698 if (chunk != NULL) { | |
1699 // Iterate over chunks and count full ones | |
1700 while (true) { | |
1701 objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset)); | |
1702 if (next == NULL) break; | |
1703 depth += trace_chunk_size; | |
1704 chunk = next; | |
1705 } | |
1706 assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check"); | |
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1707 // Count element in remaining partial chunk. NULL value for mirror |
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1708 // marks the end of the stack trace elements that are saved. |
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1709 objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk); |
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1710 assert(mirrors != NULL, "sanity check"); |
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1711 for (int i = 0; i < mirrors->length(); i++) { |
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1712 if (mirrors->obj_at(i) == NULL) break; |
0 | 1713 depth++; |
1714 } | |
1715 } | |
1716 return depth; | |
1717 } | |
1718 | |
1719 | |
1720 oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) { | |
1721 if (throwable == NULL) { | |
1722 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
1723 } | |
1724 if (index < 0) { | |
1725 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
1726 } | |
1727 // Compute how many chunks to skip and index into actual chunk | |
1728 objArrayOop chunk = objArrayOop(backtrace(throwable)); | |
1729 int skip_chunks = index / trace_chunk_size; | |
1730 int chunk_index = index % trace_chunk_size; | |
1731 while (chunk != NULL && skip_chunks > 0) { | |
1732 chunk = objArrayOop(chunk->obj_at(trace_next_offset)); | |
1733 skip_chunks--; | |
1734 } | |
1735 if (chunk == NULL) { | |
1736 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); | |
1737 } | |
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1738 // Get method id, bci, version and mirror from chunk |
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1739 typeArrayOop methods = BacktraceBuilder::get_methods(chunk); |
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1740 typeArrayOop bcis = BacktraceBuilder::get_bcis(chunk); |
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1741 objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk); |
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1742 |
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1743 assert(methods != NULL && bcis != NULL && mirrors != NULL, "sanity check"); |
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1744 |
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1745 int method = methods->short_at(chunk_index); |
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1746 int version = version_at(bcis->int_at(chunk_index)); |
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1747 int bci = bci_at(bcis->int_at(chunk_index)); |
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1748 Handle mirror(THREAD, mirrors->obj_at(chunk_index)); |
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1749 |
0 | 1750 // Chunk can be partial full |
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1751 if (mirror.is_null()) { |
0 | 1752 THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
1753 } | |
1754 | |
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1755 oop element = java_lang_StackTraceElement::create(mirror, method, version, bci, CHECK_0); |
0 | 1756 return element; |
1757 } | |
1758 | |
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1759 oop java_lang_StackTraceElement::create(Handle mirror, int method_id, int version, int bci, TRAPS) { |
0 | 1760 // Allocate java.lang.StackTraceElement instance |
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1761 Klass* k = SystemDictionary::StackTraceElement_klass(); |
132
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1762 assert(k != NULL, "must be loaded in 1.4+"); |
0 | 1763 instanceKlassHandle ik (THREAD, k); |
1764 if (ik->should_be_initialized()) { | |
1765 ik->initialize(CHECK_0); | |
1766 } | |
1767 | |
1768 Handle element = ik->allocate_instance_handle(CHECK_0); | |
1769 // Fill in class name | |
1770 ResourceMark rm(THREAD); | |
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1771 InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror())); |
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1772 const char* str = holder->external_name(); |
0 | 1773 oop classname = StringTable::intern((char*) str, CHECK_0); |
1774 java_lang_StackTraceElement::set_declaringClass(element(), classname); | |
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1775 |
0 | 1776 // Fill in method name |
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1777 Method* method = holder->method_with_idnum(method_id); |
0 | 1778 oop methodname = StringTable::intern(method->name(), CHECK_0); |
1779 java_lang_StackTraceElement::set_methodName(element(), methodname); | |
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1780 |
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1781 if (!version_matches(method, version)) { |
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1782 // The method was redefined, accurate line number information isn't available |
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1783 java_lang_StackTraceElement::set_fileName(element(), NULL); |
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1784 java_lang_StackTraceElement::set_lineNumber(element(), -1); |
0 | 1785 } else { |
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1786 // Fill in source file name and line number. |
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1787 Symbol* source = holder->source_file_name(); |
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1788 if (ShowHiddenFrames && source == NULL) |
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1789 source = vmSymbols::unknown_class_name(); |
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1790 oop filename = StringTable::intern(source, CHECK_0); |
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1791 java_lang_StackTraceElement::set_fileName(element(), filename); |
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1792 |
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1793 int line_number = get_line_number(method, bci); |
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1794 java_lang_StackTraceElement::set_lineNumber(element(), line_number); |
0 | 1795 } |
1796 return element(); | |
1797 } | |
1798 | |
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1799 oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) { |
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1800 Handle mirror (THREAD, method->method_holder()->java_mirror()); |
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1801 int method_id = method->method_idnum(); |
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1802 return create(mirror, method_id, method->constants()->version(), bci, THREAD); |
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1803 } |
0 | 1804 |
1805 void java_lang_reflect_AccessibleObject::compute_offsets() { | |
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1806 Klass* k = SystemDictionary::reflect_AccessibleObject_klass(); |
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1807 compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature()); |
0 | 1808 } |
1809 | |
1810 jboolean java_lang_reflect_AccessibleObject::override(oop reflect) { | |
1811 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1812 return (jboolean) reflect->bool_field(override_offset); | |
1813 } | |
1814 | |
1815 void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) { | |
1816 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1817 reflect->bool_field_put(override_offset, (int) value); | |
1818 } | |
1819 | |
1820 void java_lang_reflect_Method::compute_offsets() { | |
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1821 Klass* k = SystemDictionary::reflect_Method_klass(); |
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1822 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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1823 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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1824 compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature()); |
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1825 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
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1826 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
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1827 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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1828 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
0 | 1829 // The generic signature and annotations fields are only present in 1.5 |
1830 signature_offset = -1; | |
1831 annotations_offset = -1; | |
1832 parameter_annotations_offset = -1; | |
1833 annotation_default_offset = -1; | |
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1834 type_annotations_offset = -1; |
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1835 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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1836 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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1837 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
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1838 compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature()); |
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1839 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
0 | 1840 } |
1841 | |
1842 Handle java_lang_reflect_Method::create(TRAPS) { | |
1843 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
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1844 Klass* klass = SystemDictionary::reflect_Method_klass(); |
0 | 1845 // This class is eagerly initialized during VM initialization, since we keep a refence |
1846 // to one of the methods | |
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1847 assert(InstanceKlass::cast(klass)->is_initialized(), "must be initialized"); |
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1848 return InstanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH); |
0 | 1849 } |
1850 | |
1851 oop java_lang_reflect_Method::clazz(oop reflect) { | |
1852 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1853 return reflect->obj_field(clazz_offset); | |
1854 } | |
1855 | |
1856 void java_lang_reflect_Method::set_clazz(oop reflect, oop value) { | |
1857 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1858 reflect->obj_field_put(clazz_offset, value); | |
1859 } | |
1860 | |
1861 int java_lang_reflect_Method::slot(oop reflect) { | |
1862 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1863 return reflect->int_field(slot_offset); | |
1864 } | |
1865 | |
1866 void java_lang_reflect_Method::set_slot(oop reflect, int value) { | |
1867 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1868 reflect->int_field_put(slot_offset, value); | |
1869 } | |
1870 | |
1871 oop java_lang_reflect_Method::name(oop method) { | |
1872 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1873 return method->obj_field(name_offset); | |
1874 } | |
1875 | |
1876 void java_lang_reflect_Method::set_name(oop method, oop value) { | |
1877 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1878 method->obj_field_put(name_offset, value); | |
1879 } | |
1880 | |
1881 oop java_lang_reflect_Method::return_type(oop method) { | |
1882 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1883 return method->obj_field(returnType_offset); | |
1884 } | |
1885 | |
1886 void java_lang_reflect_Method::set_return_type(oop method, oop value) { | |
1887 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1888 method->obj_field_put(returnType_offset, value); | |
1889 } | |
1890 | |
1891 oop java_lang_reflect_Method::parameter_types(oop method) { | |
1892 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1893 return method->obj_field(parameterTypes_offset); | |
1894 } | |
1895 | |
1896 void java_lang_reflect_Method::set_parameter_types(oop method, oop value) { | |
1897 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1898 method->obj_field_put(parameterTypes_offset, value); | |
1899 } | |
1900 | |
1901 oop java_lang_reflect_Method::exception_types(oop method) { | |
1902 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1903 return method->obj_field(exceptionTypes_offset); | |
1904 } | |
1905 | |
1906 void java_lang_reflect_Method::set_exception_types(oop method, oop value) { | |
1907 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1908 method->obj_field_put(exceptionTypes_offset, value); | |
1909 } | |
1910 | |
1911 int java_lang_reflect_Method::modifiers(oop method) { | |
1912 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1913 return method->int_field(modifiers_offset); | |
1914 } | |
1915 | |
1916 void java_lang_reflect_Method::set_modifiers(oop method, int value) { | |
1917 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1918 method->int_field_put(modifiers_offset, value); | |
1919 } | |
1920 | |
1921 bool java_lang_reflect_Method::has_signature_field() { | |
1922 return (signature_offset >= 0); | |
1923 } | |
1924 | |
1925 oop java_lang_reflect_Method::signature(oop method) { | |
1926 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1927 assert(has_signature_field(), "signature field must be present"); | |
1928 return method->obj_field(signature_offset); | |
1929 } | |
1930 | |
1931 void java_lang_reflect_Method::set_signature(oop method, oop value) { | |
1932 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1933 assert(has_signature_field(), "signature field must be present"); | |
1934 method->obj_field_put(signature_offset, value); | |
1935 } | |
1936 | |
1937 bool java_lang_reflect_Method::has_annotations_field() { | |
1938 return (annotations_offset >= 0); | |
1939 } | |
1940 | |
1941 oop java_lang_reflect_Method::annotations(oop method) { | |
1942 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1943 assert(has_annotations_field(), "annotations field must be present"); | |
1944 return method->obj_field(annotations_offset); | |
1945 } | |
1946 | |
1947 void java_lang_reflect_Method::set_annotations(oop method, oop value) { | |
1948 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1949 assert(has_annotations_field(), "annotations field must be present"); | |
1950 method->obj_field_put(annotations_offset, value); | |
1951 } | |
1952 | |
1953 bool java_lang_reflect_Method::has_parameter_annotations_field() { | |
1954 return (parameter_annotations_offset >= 0); | |
1955 } | |
1956 | |
1957 oop java_lang_reflect_Method::parameter_annotations(oop method) { | |
1958 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1959 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
1960 return method->obj_field(parameter_annotations_offset); | |
1961 } | |
1962 | |
1963 void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) { | |
1964 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1965 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
1966 method->obj_field_put(parameter_annotations_offset, value); | |
1967 } | |
1968 | |
1969 bool java_lang_reflect_Method::has_annotation_default_field() { | |
1970 return (annotation_default_offset >= 0); | |
1971 } | |
1972 | |
1973 oop java_lang_reflect_Method::annotation_default(oop method) { | |
1974 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1975 assert(has_annotation_default_field(), "annotation default field must be present"); | |
1976 return method->obj_field(annotation_default_offset); | |
1977 } | |
1978 | |
1979 void java_lang_reflect_Method::set_annotation_default(oop method, oop value) { | |
1980 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
1981 assert(has_annotation_default_field(), "annotation default field must be present"); | |
1982 method->obj_field_put(annotation_default_offset, value); | |
1983 } | |
1984 | |
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1985 bool java_lang_reflect_Method::has_type_annotations_field() { |
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1986 return (type_annotations_offset >= 0); |
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1987 } |
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1988 |
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1989 oop java_lang_reflect_Method::type_annotations(oop method) { |
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1990 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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1991 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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1992 return method->obj_field(type_annotations_offset); |
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1993 } |
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1994 |
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1995 void java_lang_reflect_Method::set_type_annotations(oop method, oop value) { |
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1996 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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1997 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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1998 method->obj_field_put(type_annotations_offset, value); |
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1999 } |
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2000 |
0 | 2001 void java_lang_reflect_Constructor::compute_offsets() { |
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2002 Klass* k = SystemDictionary::reflect_Constructor_klass(); |
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2003 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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2004 compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
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2005 compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
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2006 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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2007 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
0 | 2008 // The generic signature and annotations fields are only present in 1.5 |
2009 signature_offset = -1; | |
2010 annotations_offset = -1; | |
2011 parameter_annotations_offset = -1; | |
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2012 type_annotations_offset = -1; |
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2013 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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2014 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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2015 compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
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2016 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
0 | 2017 } |
2018 | |
2019 Handle java_lang_reflect_Constructor::create(TRAPS) { | |
2020 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
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2021 Symbol* name = vmSymbols::java_lang_reflect_Constructor(); |
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2022 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
0 | 2023 instanceKlassHandle klass (THREAD, k); |
2024 // Ensure it is initialized | |
2025 klass->initialize(CHECK_NH); | |
2026 return klass->allocate_instance_handle(CHECK_NH); | |
2027 } | |
2028 | |
2029 oop java_lang_reflect_Constructor::clazz(oop reflect) { | |
2030 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2031 return reflect->obj_field(clazz_offset); | |
2032 } | |
2033 | |
2034 void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) { | |
2035 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2036 reflect->obj_field_put(clazz_offset, value); | |
2037 } | |
2038 | |
2039 oop java_lang_reflect_Constructor::parameter_types(oop constructor) { | |
2040 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2041 return constructor->obj_field(parameterTypes_offset); | |
2042 } | |
2043 | |
2044 void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) { | |
2045 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2046 constructor->obj_field_put(parameterTypes_offset, value); | |
2047 } | |
2048 | |
2049 oop java_lang_reflect_Constructor::exception_types(oop constructor) { | |
2050 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2051 return constructor->obj_field(exceptionTypes_offset); | |
2052 } | |
2053 | |
2054 void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) { | |
2055 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2056 constructor->obj_field_put(exceptionTypes_offset, value); | |
2057 } | |
2058 | |
2059 int java_lang_reflect_Constructor::slot(oop reflect) { | |
2060 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2061 return reflect->int_field(slot_offset); | |
2062 } | |
2063 | |
2064 void java_lang_reflect_Constructor::set_slot(oop reflect, int value) { | |
2065 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2066 reflect->int_field_put(slot_offset, value); | |
2067 } | |
2068 | |
2069 int java_lang_reflect_Constructor::modifiers(oop constructor) { | |
2070 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2071 return constructor->int_field(modifiers_offset); | |
2072 } | |
2073 | |
2074 void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) { | |
2075 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2076 constructor->int_field_put(modifiers_offset, value); | |
2077 } | |
2078 | |
2079 bool java_lang_reflect_Constructor::has_signature_field() { | |
2080 return (signature_offset >= 0); | |
2081 } | |
2082 | |
2083 oop java_lang_reflect_Constructor::signature(oop constructor) { | |
2084 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2085 assert(has_signature_field(), "signature field must be present"); | |
2086 return constructor->obj_field(signature_offset); | |
2087 } | |
2088 | |
2089 void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) { | |
2090 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2091 assert(has_signature_field(), "signature field must be present"); | |
2092 constructor->obj_field_put(signature_offset, value); | |
2093 } | |
2094 | |
2095 bool java_lang_reflect_Constructor::has_annotations_field() { | |
2096 return (annotations_offset >= 0); | |
2097 } | |
2098 | |
2099 oop java_lang_reflect_Constructor::annotations(oop constructor) { | |
2100 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2101 assert(has_annotations_field(), "annotations field must be present"); | |
2102 return constructor->obj_field(annotations_offset); | |
2103 } | |
2104 | |
2105 void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) { | |
2106 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2107 assert(has_annotations_field(), "annotations field must be present"); | |
2108 constructor->obj_field_put(annotations_offset, value); | |
2109 } | |
2110 | |
2111 bool java_lang_reflect_Constructor::has_parameter_annotations_field() { | |
2112 return (parameter_annotations_offset >= 0); | |
2113 } | |
2114 | |
2115 oop java_lang_reflect_Constructor::parameter_annotations(oop method) { | |
2116 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2117 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
2118 return method->obj_field(parameter_annotations_offset); | |
2119 } | |
2120 | |
2121 void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) { | |
2122 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2123 assert(has_parameter_annotations_field(), "parameter annotations field must be present"); | |
2124 method->obj_field_put(parameter_annotations_offset, value); | |
2125 } | |
2126 | |
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2127 bool java_lang_reflect_Constructor::has_type_annotations_field() { |
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2128 return (type_annotations_offset >= 0); |
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2129 } |
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2130 |
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2131 oop java_lang_reflect_Constructor::type_annotations(oop constructor) { |
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2132 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2133 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2134 return constructor->obj_field(type_annotations_offset); |
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2135 } |
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2136 |
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2137 void java_lang_reflect_Constructor::set_type_annotations(oop constructor, oop value) { |
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2138 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2139 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2140 constructor->obj_field_put(type_annotations_offset, value); |
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2141 } |
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2142 |
0 | 2143 void java_lang_reflect_Field::compute_offsets() { |
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2144 Klass* k = SystemDictionary::reflect_Field_klass(); |
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2145 compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
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2146 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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2147 compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature()); |
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2148 compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
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2149 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
0 | 2150 // The generic signature and annotations fields are only present in 1.5 |
2151 signature_offset = -1; | |
2152 annotations_offset = -1; | |
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2153 type_annotations_offset = -1; |
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2154 compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
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2155 compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
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2156 compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
0 | 2157 } |
2158 | |
2159 Handle java_lang_reflect_Field::create(TRAPS) { | |
2160 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2177
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2161 Symbol* name = vmSymbols::java_lang_reflect_Field(); |
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2162 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
0 | 2163 instanceKlassHandle klass (THREAD, k); |
2164 // Ensure it is initialized | |
2165 klass->initialize(CHECK_NH); | |
2166 return klass->allocate_instance_handle(CHECK_NH); | |
2167 } | |
2168 | |
2169 oop java_lang_reflect_Field::clazz(oop reflect) { | |
2170 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2171 return reflect->obj_field(clazz_offset); | |
2172 } | |
2173 | |
2174 void java_lang_reflect_Field::set_clazz(oop reflect, oop value) { | |
2175 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2176 reflect->obj_field_put(clazz_offset, value); | |
2177 } | |
2178 | |
2179 oop java_lang_reflect_Field::name(oop field) { | |
2180 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2181 return field->obj_field(name_offset); | |
2182 } | |
2183 | |
2184 void java_lang_reflect_Field::set_name(oop field, oop value) { | |
2185 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2186 field->obj_field_put(name_offset, value); | |
2187 } | |
2188 | |
2189 oop java_lang_reflect_Field::type(oop field) { | |
2190 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2191 return field->obj_field(type_offset); | |
2192 } | |
2193 | |
2194 void java_lang_reflect_Field::set_type(oop field, oop value) { | |
2195 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2196 field->obj_field_put(type_offset, value); | |
2197 } | |
2198 | |
2199 int java_lang_reflect_Field::slot(oop reflect) { | |
2200 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2201 return reflect->int_field(slot_offset); | |
2202 } | |
2203 | |
2204 void java_lang_reflect_Field::set_slot(oop reflect, int value) { | |
2205 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2206 reflect->int_field_put(slot_offset, value); | |
2207 } | |
2208 | |
2209 int java_lang_reflect_Field::modifiers(oop field) { | |
2210 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2211 return field->int_field(modifiers_offset); | |
2212 } | |
2213 | |
2214 void java_lang_reflect_Field::set_modifiers(oop field, int value) { | |
2215 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2216 field->int_field_put(modifiers_offset, value); | |
2217 } | |
2218 | |
2219 bool java_lang_reflect_Field::has_signature_field() { | |
2220 return (signature_offset >= 0); | |
2221 } | |
2222 | |
2223 oop java_lang_reflect_Field::signature(oop field) { | |
2224 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2225 assert(has_signature_field(), "signature field must be present"); | |
2226 return field->obj_field(signature_offset); | |
2227 } | |
2228 | |
2229 void java_lang_reflect_Field::set_signature(oop field, oop value) { | |
2230 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2231 assert(has_signature_field(), "signature field must be present"); | |
2232 field->obj_field_put(signature_offset, value); | |
2233 } | |
2234 | |
2235 bool java_lang_reflect_Field::has_annotations_field() { | |
2236 return (annotations_offset >= 0); | |
2237 } | |
2238 | |
2239 oop java_lang_reflect_Field::annotations(oop field) { | |
2240 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2241 assert(has_annotations_field(), "annotations field must be present"); | |
2242 return field->obj_field(annotations_offset); | |
2243 } | |
2244 | |
2245 void java_lang_reflect_Field::set_annotations(oop field, oop value) { | |
2246 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
2247 assert(has_annotations_field(), "annotations field must be present"); | |
2248 field->obj_field_put(annotations_offset, value); | |
2249 } | |
2250 | |
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2251 bool java_lang_reflect_Field::has_type_annotations_field() { |
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2252 return (type_annotations_offset >= 0); |
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2253 } |
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2254 |
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2255 oop java_lang_reflect_Field::type_annotations(oop field) { |
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2256 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2257 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2258 return field->obj_field(type_annotations_offset); |
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2259 } |
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2260 |
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2261 void java_lang_reflect_Field::set_type_annotations(oop field, oop value) { |
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2262 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2263 assert(has_type_annotations_field(), "type_annotations field must be present"); |
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2264 field->obj_field_put(type_annotations_offset, value); |
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2265 } |
0 | 2266 |
2267 void sun_reflect_ConstantPool::compute_offsets() { | |
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2268 Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
0 | 2269 // This null test can be removed post beta |
2270 if (k != NULL) { | |
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2271 // The field is called ConstantPool* in the sun.reflect.ConstantPool class. |
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2272 compute_offset(_oop_offset, k, vmSymbols::ConstantPool_name(), vmSymbols::object_signature()); |
0 | 2273 } |
2274 } | |
2275 | |
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2276 void java_lang_reflect_Parameter::compute_offsets() { |
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2277 Klass* k = SystemDictionary::reflect_Parameter_klass(); |
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2278 if(NULL != k) { |
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2279 compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
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2280 compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
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2281 compute_offset(index_offset, k, vmSymbols::index_name(), vmSymbols::int_signature()); |
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2282 compute_offset(executable_offset, k, vmSymbols::executable_name(), vmSymbols::executable_signature()); |
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2283 } |
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2284 } |
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2285 |
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2286 Handle java_lang_reflect_Parameter::create(TRAPS) { |
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2287 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2288 Symbol* name = vmSymbols::java_lang_reflect_Parameter(); |
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2289 Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
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2290 instanceKlassHandle klass (THREAD, k); |
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2291 // Ensure it is initialized |
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2292 klass->initialize(CHECK_NH); |
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2293 return klass->allocate_instance_handle(CHECK_NH); |
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2294 } |
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2295 |
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2296 oop java_lang_reflect_Parameter::name(oop param) { |
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2297 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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2298 return param->obj_field(name_offset); |
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2299 } |
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2300 |
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2301 void java_lang_reflect_Parameter::set_name(oop param, oop value) { |
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2302 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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|
2303 param->obj_field_put(name_offset, value); |
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|
2304 } |
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|
2305 |
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|
2306 int java_lang_reflect_Parameter::modifiers(oop param) { |
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|
2307 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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|
2308 return param->int_field(modifiers_offset); |
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|
2309 } |
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|
2310 |
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|
2311 void java_lang_reflect_Parameter::set_modifiers(oop param, int value) { |
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|
2312 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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|
2313 param->int_field_put(modifiers_offset, value); |
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|
2314 } |
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|
2315 |
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|
2316 int java_lang_reflect_Parameter::index(oop param) { |
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|
2317 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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|
2318 return param->int_field(index_offset); |
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|
2319 } |
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|
2320 |
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|
2321 void java_lang_reflect_Parameter::set_index(oop param, int value) { |
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|
2322 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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|
2323 param->int_field_put(index_offset, value); |
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|
2324 } |
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|
2325 |
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|
2326 oop java_lang_reflect_Parameter::executable(oop param) { |
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|
2327 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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|
2328 return param->obj_field(executable_offset); |
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|
2329 } |
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diff
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|
2330 |
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|
2331 void java_lang_reflect_Parameter::set_executable(oop param, oop value) { |
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|
2332 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
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|
2333 param->obj_field_put(executable_offset, value); |
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|
2334 } |
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|
2335 |
0 | 2336 |
2337 Handle sun_reflect_ConstantPool::create(TRAPS) { | |
2338 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); | |
6725
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|
2339 Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
0 | 2340 instanceKlassHandle klass (THREAD, k); |
2341 // Ensure it is initialized | |
2342 klass->initialize(CHECK_NH); | |
2343 return klass->allocate_instance_handle(CHECK_NH); | |
2344 } | |
2345 | |
2346 | |
6725
da91efe96a93
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|
2347 void sun_reflect_ConstantPool::set_cp(oop reflect, ConstantPool* value) { |
0 | 2348 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
6725
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|
2349 oop mirror = value->pool_holder()->java_mirror(); |
da91efe96a93
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|
2350 // Save the mirror to get back the constant pool. |
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|
2351 reflect->obj_field_put(_oop_offset, mirror); |
0 | 2352 } |
2353 | |
6725
da91efe96a93
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coleenp
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|
2354 ConstantPool* sun_reflect_ConstantPool::get_cp(oop reflect) { |
0 | 2355 assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
6725
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|
2356 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
2357 oop mirror = reflect->obj_field(_oop_offset); |
da91efe96a93
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|
2358 Klass* k = java_lang_Class::as_Klass(mirror); |
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|
2359 assert(k->oop_is_instance(), "Must be"); |
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6964458: Reimplement class meta-data storage to use native memory
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|
2360 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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|
2361 // Get the constant pool back from the klass. Since class redefinition |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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6267
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|
2362 // merges the new constant pool into the old, this is essentially the |
da91efe96a93
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coleenp
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6267
diff
changeset
|
2363 // same constant pool as the original. If constant pool merging is |
da91efe96a93
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|
2364 // no longer done in the future, this will have to change to save |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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6267
diff
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|
2365 // the original. |
da91efe96a93
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|
2366 return InstanceKlass::cast(k)->constants(); |
0 | 2367 } |
2368 | |
2369 void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() { | |
6725
da91efe96a93
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coleenp
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2370 Klass* k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(); |
0 | 2371 // This null test can be removed post beta |
2372 if (k != NULL) { | |
132
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2373 compute_offset(_base_offset, k, |
0 | 2374 vmSymbols::base_name(), vmSymbols::object_signature()); |
2375 } | |
2376 } | |
2377 | |
132
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2378 oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) { |
6725
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2379 Klass* k = SystemDictionary::box_klass(type); |
132
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|
2380 if (k == NULL) return NULL; |
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diff
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|
2381 instanceKlassHandle h (THREAD, k); |
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|
2382 if (!h->is_initialized()) h->initialize(CHECK_0); |
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|
2383 return h->allocate_instance(THREAD); |
0 | 2384 } |
2385 | |
2386 | |
2387 oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) { | |
132
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2388 oop box = initialize_and_allocate(type, CHECK_0); |
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|
2389 if (box == NULL) return NULL; |
0 | 2390 switch (type) { |
2391 case T_BOOLEAN: | |
2392 box->bool_field_put(value_offset, value->z); | |
2393 break; | |
2394 case T_CHAR: | |
2395 box->char_field_put(value_offset, value->c); | |
2396 break; | |
2397 case T_FLOAT: | |
2398 box->float_field_put(value_offset, value->f); | |
2399 break; | |
2400 case T_DOUBLE: | |
165
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diff
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|
2401 box->double_field_put(long_value_offset, value->d); |
0 | 2402 break; |
2403 case T_BYTE: | |
2404 box->byte_field_put(value_offset, value->b); | |
2405 break; | |
2406 case T_SHORT: | |
2407 box->short_field_put(value_offset, value->s); | |
2408 break; | |
2409 case T_INT: | |
2410 box->int_field_put(value_offset, value->i); | |
2411 break; | |
2412 case T_LONG: | |
165
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diff
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|
2413 box->long_field_put(long_value_offset, value->j); |
0 | 2414 break; |
2415 default: | |
2416 return NULL; | |
2417 } | |
2418 return box; | |
2419 } | |
2420 | |
2421 | |
132
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|
2422 BasicType java_lang_boxing_object::basic_type(oop box) { |
60b728ec77c1
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113
diff
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|
2423 if (box == NULL) return T_ILLEGAL; |
60b728ec77c1
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jrose
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113
diff
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|
2424 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
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|
2425 if (type == T_OBJECT) // 'unknown' value returned by SD::bkt |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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113
diff
changeset
|
2426 return T_ILLEGAL; |
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2427 return type; |
60b728ec77c1
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jrose
parents:
113
diff
changeset
|
2428 } |
60b728ec77c1
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jrose
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113
diff
changeset
|
2429 |
60b728ec77c1
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|
2430 |
0 | 2431 BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) { |
132
60b728ec77c1
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diff
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|
2432 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
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113
diff
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|
2433 switch (type) { |
60b728ec77c1
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diff
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|
2434 case T_BOOLEAN: |
0 | 2435 value->z = box->bool_field(value_offset); |
132
60b728ec77c1
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diff
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|
2436 break; |
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diff
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|
2437 case T_CHAR: |
0 | 2438 value->c = box->char_field(value_offset); |
132
60b728ec77c1
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113
diff
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|
2439 break; |
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diff
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|
2440 case T_FLOAT: |
0 | 2441 value->f = box->float_field(value_offset); |
132
60b728ec77c1
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113
diff
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|
2442 break; |
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113
diff
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|
2443 case T_DOUBLE: |
165
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diff
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|
2444 value->d = box->double_field(long_value_offset); |
132
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113
diff
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|
2445 break; |
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diff
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|
2446 case T_BYTE: |
0 | 2447 value->b = box->byte_field(value_offset); |
132
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113
diff
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|
2448 break; |
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113
diff
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|
2449 case T_SHORT: |
0 | 2450 value->s = box->short_field(value_offset); |
132
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113
diff
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|
2451 break; |
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diff
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|
2452 case T_INT: |
0 | 2453 value->i = box->int_field(value_offset); |
132
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113
diff
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|
2454 break; |
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113
diff
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|
2455 case T_LONG: |
165
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diff
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|
2456 value->j = box->long_field(long_value_offset); |
132
60b728ec77c1
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113
diff
changeset
|
2457 break; |
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jrose
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113
diff
changeset
|
2458 default: |
60b728ec77c1
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113
diff
changeset
|
2459 return T_ILLEGAL; |
60b728ec77c1
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diff
changeset
|
2460 } // end switch |
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diff
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|
2461 return type; |
0 | 2462 } |
2463 | |
2464 | |
2465 BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) { | |
132
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|
2466 BasicType type = SystemDictionary::box_klass_type(box->klass()); |
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|
2467 switch (type) { |
60b728ec77c1
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|
2468 case T_BOOLEAN: |
0 | 2469 box->bool_field_put(value_offset, value->z); |
132
60b728ec77c1
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113
diff
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|
2470 break; |
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113
diff
changeset
|
2471 case T_CHAR: |
0 | 2472 box->char_field_put(value_offset, value->c); |
132
60b728ec77c1
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jrose
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113
diff
changeset
|
2473 break; |
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113
diff
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|
2474 case T_FLOAT: |
0 | 2475 box->float_field_put(value_offset, value->f); |
132
60b728ec77c1
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113
diff
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|
2476 break; |
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113
diff
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|
2477 case T_DOUBLE: |
165
437d03ea40b1
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diff
changeset
|
2478 box->double_field_put(long_value_offset, value->d); |
132
60b728ec77c1
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113
diff
changeset
|
2479 break; |
60b728ec77c1
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113
diff
changeset
|
2480 case T_BYTE: |
0 | 2481 box->byte_field_put(value_offset, value->b); |
132
60b728ec77c1
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113
diff
changeset
|
2482 break; |
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diff
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|
2483 case T_SHORT: |
0 | 2484 box->short_field_put(value_offset, value->s); |
132
60b728ec77c1
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113
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|
2485 break; |
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|
2486 case T_INT: |
0 | 2487 box->int_field_put(value_offset, value->i); |
132
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|
2488 break; |
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diff
changeset
|
2489 case T_LONG: |
165
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6703888: Compressed Oops: use the 32-bits gap after klass in a object
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diff
changeset
|
2490 box->long_field_put(long_value_offset, value->j); |
132
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diff
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|
2491 break; |
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diff
changeset
|
2492 default: |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
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|
2493 return T_ILLEGAL; |
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|
2494 } // end switch |
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diff
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|
2495 return type; |
0 | 2496 } |
2497 | |
2498 | |
665
c89f86385056
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diff
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|
2499 void java_lang_boxing_object::print(BasicType type, jvalue* value, outputStream* st) { |
c89f86385056
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|
2500 switch (type) { |
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6814659: separable cleanups and subroutines for 6655638
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diff
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|
2501 case T_BOOLEAN: st->print("%s", value->z ? "true" : "false"); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
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diff
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|
2502 case T_CHAR: st->print("%d", value->c); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
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579
diff
changeset
|
2503 case T_BYTE: st->print("%d", value->b); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
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579
diff
changeset
|
2504 case T_SHORT: st->print("%d", value->s); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
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579
diff
changeset
|
2505 case T_INT: st->print("%d", value->i); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
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579
diff
changeset
|
2506 case T_LONG: st->print(INT64_FORMAT, value->j); break; |
c89f86385056
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diff
changeset
|
2507 case T_FLOAT: st->print("%f", value->f); break; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
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diff
changeset
|
2508 case T_DOUBLE: st->print("%lf", value->d); break; |
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579
diff
changeset
|
2509 default: st->print("type %d?", type); break; |
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diff
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|
2510 } |
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diff
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|
2511 } |
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|
2512 |
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|
2513 |
0 | 2514 // Support for java_lang_ref_Reference |
6725
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|
2515 HeapWord *java_lang_ref_Reference::pending_list_lock_addr() { |
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2516 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
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|
2517 address addr = ik->static_field_addr(static_lock_offset); |
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|
2518 return (HeapWord*) addr; |
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|
2519 } |
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|
2520 |
113
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|
2521 oop java_lang_ref_Reference::pending_list_lock() { |
6725
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|
2522 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
2376
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changeset
|
2523 address addr = ik->static_field_addr(static_lock_offset); |
113
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|
2524 if (UseCompressedOops) { |
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diff
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|
2525 return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
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|
2526 } else { |
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|
2527 return oopDesc::load_decode_heap_oop((oop*)addr); |
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diff
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|
2528 } |
0 | 2529 } |
2530 | |
113
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|
2531 HeapWord *java_lang_ref_Reference::pending_list_addr() { |
6725
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|
2532 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
2376
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changeset
|
2533 address addr = ik->static_field_addr(static_pending_offset); |
113
ba764ed4b6f2
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coleenp
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diff
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|
2534 // XXX This might not be HeapWord aligned, almost rather be char *. |
ba764ed4b6f2
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diff
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|
2535 return (HeapWord*)addr; |
0 | 2536 } |
2537 | |
113
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changeset
|
2538 oop java_lang_ref_Reference::pending_list() { |
ba764ed4b6f2
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98
diff
changeset
|
2539 char *addr = (char *)pending_list_addr(); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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diff
changeset
|
2540 if (UseCompressedOops) { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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98
diff
changeset
|
2541 return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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98
diff
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|
2542 } else { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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diff
changeset
|
2543 return oopDesc::load_decode_heap_oop((oop*)addr); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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diff
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|
2544 } |
0 | 2545 } |
2546 | |
2547 | |
2548 // Support for java_lang_ref_SoftReference | |
2549 | |
2550 jlong java_lang_ref_SoftReference::timestamp(oop ref) { | |
2551 return ref->long_field(timestamp_offset); | |
2552 } | |
2553 | |
2554 jlong java_lang_ref_SoftReference::clock() { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
changeset
|
2555 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass()); |
2376
c7f3d0b4570f
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parents:
2357
diff
changeset
|
2556 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
|
2557 return *offset; |
0 | 2558 } |
2559 | |
2560 void java_lang_ref_SoftReference::set_clock(jlong value) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
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changeset
|
2561 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass()); |
2376
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parents:
2357
diff
changeset
|
2562 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
|
2563 *offset = value; |
0 | 2564 } |
2565 | |
2566 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2567 // Support for java_lang_invoke_MethodHandle |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2568 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2569 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
|
2570 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
|
2571 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2572 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
|
2573 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
|
2574 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
|
2575 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
|
2576 int java_lang_invoke_MemberName::_vmtarget_offset; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
changeset
|
2577 int java_lang_invoke_MemberName::_vmloader_offset; |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2578 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
|
2579 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2580 int java_lang_invoke_LambdaForm::_vmentry_offset; |
3905
c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents:
3900
diff
changeset
|
2581 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2582 void java_lang_invoke_MethodHandle::compute_offsets() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
changeset
|
2583 Klass* klass_oop = SystemDictionary::MethodHandle_klass(); |
3938 | 2584 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
|
2585 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
|
2586 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
|
2587 if (_form_offset == 0) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2588 EnableInvokeDynamic = false; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2589 } |
710 | 2590 } |
2591 } | |
2592 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2593 void java_lang_invoke_MemberName::compute_offsets() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
changeset
|
2594 Klass* klass_oop = SystemDictionary::MemberName_klass(); |
3938 | 2595 if (klass_oop != NULL && EnableInvokeDynamic) { |
2596 compute_offset(_clazz_offset, klass_oop, vmSymbols::clazz_name(), vmSymbols::class_signature()); | |
2597 compute_offset(_name_offset, klass_oop, vmSymbols::name_name(), vmSymbols::string_signature()); | |
2598 compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::object_signature()); | |
2599 compute_offset(_flags_offset, klass_oop, vmSymbols::flags_name(), vmSymbols::int_signature()); | |
2600 MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); | |
710 | 2601 } |
2602 } | |
2603 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2604 void java_lang_invoke_LambdaForm::compute_offsets() { |
6725
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6267
diff
changeset
|
2605 Klass* klass_oop = SystemDictionary::LambdaForm_klass(); |
6266
1d7922586cf6
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6224
diff
changeset
|
2606 if (klass_oop != NULL && EnableInvokeDynamic) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2607 compute_offset(_vmentry_offset, klass_oop, vmSymbols::vmentry_name(), vmSymbols::java_lang_invoke_MemberName_signature()); |
710 | 2608 } |
2609 } | |
2610 | |
2357
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2356
diff
changeset
|
2611 oop java_lang_invoke_MethodHandle::type(oop mh) { |
710 | 2612 return mh->obj_field(_type_offset); |
2613 } | |
2614 | |
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
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2356
diff
changeset
|
2615 void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) { |
710 | 2616 mh->obj_field_put(_type_offset, mtype); |
2617 } | |
2618 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
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|
2619 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
|
2620 assert(_form_offset != 0, ""); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
changeset
|
2621 return mh->obj_field(_form_offset); |
710 | 2622 } |
2623 | |
6266
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7023639: JSR 292 method handle invocation needs a fast path for compiled code
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6224
diff
changeset
|
2624 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
|
2625 assert(_form_offset != 0, ""); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2626 mh->obj_field_put(_form_offset, lform); |
710 | 2627 } |
2628 | |
2629 /// MemberName accessors | |
2630 | |
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
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2356
diff
changeset
|
2631 oop java_lang_invoke_MemberName::clazz(oop mname) { |
710 | 2632 assert(is_instance(mname), "wrong type"); |
2633 return mname->obj_field(_clazz_offset); | |
2634 } | |
2635 | |
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
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diff
changeset
|
2636 void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) { |
710 | 2637 assert(is_instance(mname), "wrong type"); |
2638 mname->obj_field_put(_clazz_offset, clazz); | |
2639 } | |
2640 | |
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
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diff
changeset
|
2641 oop java_lang_invoke_MemberName::name(oop mname) { |
710 | 2642 assert(is_instance(mname), "wrong type"); |
2643 return mname->obj_field(_name_offset); | |
2644 } | |
2645 | |
2357
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2356
diff
changeset
|
2646 void java_lang_invoke_MemberName::set_name(oop mname, oop name) { |
710 | 2647 assert(is_instance(mname), "wrong type"); |
2648 mname->obj_field_put(_name_offset, name); | |
2649 } | |
2650 | |
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
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2356
diff
changeset
|
2651 oop java_lang_invoke_MemberName::type(oop mname) { |
710 | 2652 assert(is_instance(mname), "wrong type"); |
2653 return mname->obj_field(_type_offset); | |
2654 } | |
2655 | |
2357
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diff
changeset
|
2656 void java_lang_invoke_MemberName::set_type(oop mname, oop type) { |
710 | 2657 assert(is_instance(mname), "wrong type"); |
2658 mname->obj_field_put(_type_offset, type); | |
2659 } | |
2660 | |
2357
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2356
diff
changeset
|
2661 int java_lang_invoke_MemberName::flags(oop mname) { |
710 | 2662 assert(is_instance(mname), "wrong type"); |
2663 return mname->int_field(_flags_offset); | |
2664 } | |
2665 | |
2357
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2356
diff
changeset
|
2666 void java_lang_invoke_MemberName::set_flags(oop mname, int flags) { |
710 | 2667 assert(is_instance(mname), "wrong type"); |
2668 mname->int_field_put(_flags_offset, flags); | |
2669 } | |
2670 | |
6725
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|
2671 Metadata* java_lang_invoke_MemberName::vmtarget(oop mname) { |
710 | 2672 assert(is_instance(mname), "wrong type"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2673 return (Metadata*)mname->address_field(_vmtarget_offset); |
710 | 2674 } |
2675 | |
10133
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2676 #if INCLUDE_JVMTI |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2677 // Can be executed on VM thread only |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2678 void java_lang_invoke_MemberName::adjust_vmtarget(oop mname, Metadata* ref) { |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2679 assert((is_instance(mname) && (flags(mname) & (MN_IS_METHOD | MN_IS_CONSTRUCTOR)) > 0), "wrong type"); |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2680 assert(Thread::current()->is_VM_thread(), "not VM thread"); |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2681 mname->address_field_put(_vmtarget_offset, (address)ref); |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2682 } |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2683 #endif // INCLUDE_JVMTI |
6337ca4dcad8
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
7629
diff
changeset
|
2684 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2685 void java_lang_invoke_MemberName::set_vmtarget(oop mname, Metadata* ref) { |
710 | 2686 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
|
2687 // check the type of the vmtarget |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2688 oop dependency = NULL; |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2689 if (ref != NULL) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2690 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
|
2691 MN_IS_CONSTRUCTOR | |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2692 MN_IS_FIELD)) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2693 case MN_IS_METHOD: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2694 case MN_IS_CONSTRUCTOR: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2695 assert(ref->is_method(), "should be a method"); |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2696 dependency = ((Method*)ref)->method_holder()->java_mirror(); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2697 break; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2698 case MN_IS_FIELD: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2699 assert(ref->is_klass(), "should be a class"); |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2700 dependency = ((Klass*)ref)->java_mirror(); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2701 break; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2702 default: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2703 ShouldNotReachHere(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2704 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2705 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2706 mname->address_field_put(_vmtarget_offset, (address)ref); |
7185
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2707 // Add a reference to the loader (actually mirror because anonymous classes will not have |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2708 // distinct loaders) to ensure the metadata is kept alive |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2709 // This mirror may be different than the one in clazz field. |
90273fc0a981
8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents:
7180
diff
changeset
|
2710 mname->obj_field_put(_vmloader_offset, dependency); |
710 | 2711 } |
2712 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2713 intptr_t java_lang_invoke_MemberName::vmindex(oop mname) { |
710 | 2714 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
|
2715 return (intptr_t) mname->address_field(_vmindex_offset); |
710 | 2716 } |
2717 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2718 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
|
2719 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
|
2720 mname->address_field_put(_vmindex_offset, (address) index); |
710 | 2721 } |
2722 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2723 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
|
2724 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
|
2725 return lform->obj_field(_vmentry_offset); |
710 | 2726 } |
2727 | |
2728 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2729 // Support for java_lang_invoke_MethodType |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2730 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2731 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
|
2732 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
|
2733 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2734 void java_lang_invoke_MethodType::compute_offsets() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2735 Klass* k = SystemDictionary::MethodType_klass(); |
710 | 2736 if (k != NULL) { |
2737 compute_offset(_rtype_offset, k, vmSymbols::rtype_name(), vmSymbols::class_signature()); | |
2738 compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature()); | |
2739 } | |
2740 } | |
2741 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2742 void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) { |
710 | 2743 st->print("("); |
2744 objArrayOop pts = ptypes(mt); | |
2745 for (int i = 0, limit = pts->length(); i < limit; i++) { | |
2746 java_lang_Class::print_signature(pts->obj_at(i), st); | |
2747 } | |
2748 st->print(")"); | |
2749 java_lang_Class::print_signature(rtype(mt), st); | |
2750 } | |
2751 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2752 Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) { |
710 | 2753 ResourceMark rm; |
2754 stringStream buffer(128); | |
2755 print_signature(mt, &buffer); | |
2756 const char* sigstr = buffer.base(); | |
2757 int siglen = (int) buffer.size(); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2758 Symbol *name; |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2759 if (!intern_if_not_found) { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2760 name = SymbolTable::probe(sigstr, siglen); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2761 } else { |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2762 name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2763 } |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2764 return name; |
710 | 2765 } |
2766 | |
3461
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2767 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
|
2768 if (mt1 == mt2) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2769 return true; |
3461
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2770 if (rtype(mt1) != rtype(mt2)) |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2771 return false; |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2772 if (ptype_count(mt1) != ptype_count(mt2)) |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2773 return false; |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2774 for (int i = ptype_count(mt1) - 1; i >= 0; i--) { |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2775 if (ptype(mt1, i) != ptype(mt2, i)) |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2776 return false; |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2777 } |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2778 return true; |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2779 } |
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3363
diff
changeset
|
2780 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2781 oop java_lang_invoke_MethodType::rtype(oop mt) { |
710 | 2782 assert(is_instance(mt), "must be a MethodType"); |
2783 return mt->obj_field(_rtype_offset); | |
2784 } | |
2785 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2786 objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) { |
710 | 2787 assert(is_instance(mt), "must be a MethodType"); |
2788 return (objArrayOop) mt->obj_field(_ptypes_offset); | |
2789 } | |
2790 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2791 oop java_lang_invoke_MethodType::ptype(oop mt, int idx) { |
710 | 2792 return ptypes(mt)->obj_at(idx); |
2793 } | |
2794 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2795 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
|
2796 return ptypes(mt)->length(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2797 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1096
diff
changeset
|
2798 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2799 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
|
2800 objArrayOop pts = ptypes(mt); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2801 int count = pts->length(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2802 int slots = 0; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2803 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
|
2804 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
|
2805 slots += type2size[bt]; |
710 | 2806 } |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2807 return slots; |
710 | 2808 } |
2809 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2810 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
|
2811 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
|
2812 return type2size[bt]; |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
2813 } |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
2814 |
710 | 2815 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2816 // Support for java_lang_invoke_CallSite |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2817 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2818 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
|
2819 |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2820 void java_lang_invoke_CallSite::compute_offsets() { |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2821 if (!EnableInvokeDynamic) return; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2822 Klass* k = SystemDictionary::CallSite_klass(); |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2823 if (k != NULL) { |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
2824 compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature()); |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2825 } |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2826 } |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
2827 |
710 | 2828 |
0 | 2829 // Support for java_security_AccessControlContext |
2830 | |
2831 int java_security_AccessControlContext::_context_offset = 0; | |
2832 int java_security_AccessControlContext::_privilegedContext_offset = 0; | |
2833 int java_security_AccessControlContext::_isPrivileged_offset = 0; | |
11010 | 2834 int java_security_AccessControlContext::_isAuthorized_offset = -1; |
0 | 2835 |
2836 void java_security_AccessControlContext::compute_offsets() { | |
2837 assert(_isPrivileged_offset == 0, "offsets should be initialized only once"); | |
2838 fieldDescriptor fd; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6267
diff
changeset
|
2839 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass()); |
0 | 2840 |
2841 if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) { | |
2842 fatal("Invalid layout of java.security.AccessControlContext"); | |
2843 } | |
2844 _context_offset = fd.offset(); | |
2845 | |
2846 if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) { | |
2847 fatal("Invalid layout of java.security.AccessControlContext"); | |
2848 } | |
2849 _privilegedContext_offset = fd.offset(); | |
2850 | |
2851 if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) { | |
2852 fatal("Invalid layout of java.security.AccessControlContext"); | |
2853 } | |
2854 _isPrivileged_offset = fd.offset(); | |
11010 | 2855 |
2856 // The offset may not be present for bootstrapping with older JDK. | |
2857 if (ik->find_local_field(vmSymbols::isAuthorized_name(), vmSymbols::bool_signature(), &fd)) { | |
2858 _isAuthorized_offset = fd.offset(); | |
2859 } | |
0 | 2860 } |
2861 | |
2862 | |
11010 | 2863 bool java_security_AccessControlContext::is_authorized(Handle context) { |
2864 assert(context.not_null() && context->klass() == SystemDictionary::AccessControlContext_klass(), "Invalid type"); | |
2865 assert(_isAuthorized_offset != -1, "should be set"); | |
2866 return context->bool_field(_isAuthorized_offset) != 0; | |
2867 } | |
0 | 2868 |
2869 oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) { | |
2870 assert(_isPrivileged_offset != 0, "offsets should have been initialized"); | |
2871 // Ensure klass is initialized | |
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2872 InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0); |
0 | 2873 // Allocate result |
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2874 oop result = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0); |
0 | 2875 // Fill in values |
2876 result->obj_field_put(_context_offset, context()); | |
2877 result->obj_field_put(_privilegedContext_offset, privileged_context()); | |
2878 result->bool_field_put(_isPrivileged_offset, isPrivileged); | |
11011
be131aa5a529
8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
parents:
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diff
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|
2879 // whitelist AccessControlContexts created by the JVM if present |
be131aa5a529
8011896: Add check for invalid offset for new AccessControlContext isAuthorized field
mullan
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diff
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|
2880 if (_isAuthorized_offset != -1) { |
be131aa5a529
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diff
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|
2881 result->bool_field_put(_isAuthorized_offset, true); |
be131aa5a529
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mullan
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|
2882 } |
0 | 2883 return result; |
2884 } | |
2885 | |
2886 | |
2887 // Support for java_lang_ClassLoader | |
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2888 |
3938 | 2889 bool java_lang_ClassLoader::offsets_computed = false; |
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2890 int java_lang_ClassLoader::_loader_data_offset = -1; |
3938 | 2891 int java_lang_ClassLoader::parallelCapable_offset = -1; |
2892 | |
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2893 ClassLoaderData** java_lang_ClassLoader::loader_data_addr(oop loader) { |
da91efe96a93
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2894 assert(loader != NULL && loader->is_oop(), "loader must be oop"); |
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2895 return (ClassLoaderData**) loader->address_field_addr(_loader_data_offset); |
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2896 } |
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2897 |
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2898 ClassLoaderData* java_lang_ClassLoader::loader_data(oop loader) { |
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2899 return *java_lang_ClassLoader::loader_data_addr(loader); |
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2900 } |
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2901 |
3938 | 2902 void java_lang_ClassLoader::compute_offsets() { |
2903 assert(!offsets_computed, "offsets should be initialized only once"); | |
2904 offsets_computed = true; | |
2905 | |
2906 // The field indicating parallelCapable (parallelLockMap) is only present starting in 7, | |
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2907 Klass* k1 = SystemDictionary::ClassLoader_klass(); |
3938 | 2908 compute_optional_offset(parallelCapable_offset, |
2909 k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature()); | |
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2910 |
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|
2911 CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
3938 | 2912 } |
0 | 2913 |
2914 oop java_lang_ClassLoader::parent(oop loader) { | |
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|
2915 assert(is_instance(loader), "loader must be oop"); |
0 | 2916 return loader->obj_field(parent_offset); |
2917 } | |
2918 | |
6266
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2919 bool java_lang_ClassLoader::isAncestor(oop loader, oop cl) { |
1d7922586cf6
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2920 assert(is_instance(loader), "loader must be oop"); |
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|
2921 assert(cl == NULL || is_instance(cl), "cl argument must be oop"); |
1d7922586cf6
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twisti
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|
2922 oop acl = loader; |
1d7922586cf6
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twisti
parents:
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changeset
|
2923 debug_only(jint loop_count = 0); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2924 // This loop taken verbatim from ClassLoader.java: |
1d7922586cf6
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twisti
parents:
6224
diff
changeset
|
2925 do { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
2926 acl = parent(acl); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2927 if (cl == acl) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6224
diff
changeset
|
2928 return true; |
1d7922586cf6
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twisti
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6224
diff
changeset
|
2929 } |
1d7922586cf6
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twisti
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diff
changeset
|
2930 assert(++loop_count > 0, "loop_count overflow"); |
1d7922586cf6
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twisti
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diff
changeset
|
2931 } while (acl != NULL); |
1d7922586cf6
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twisti
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6224
diff
changeset
|
2932 return false; |
1d7922586cf6
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twisti
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diff
changeset
|
2933 } |
1d7922586cf6
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|
2934 |
0 | 2935 |
3938 | 2936 // For class loader classes, parallelCapable defined |
2937 // based on non-null field | |
2938 // Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it | |
2939 bool java_lang_ClassLoader::parallelCapable(oop class_loader) { | |
2940 if (!JDK_Version::is_gte_jdk17x_version() | |
2941 || parallelCapable_offset == -1) { | |
2942 // Default for backward compatibility is false | |
2943 return false; | |
2944 } | |
2945 return (class_loader->obj_field(parallelCapable_offset) != NULL); | |
2946 } | |
2947 | |
0 | 2948 bool java_lang_ClassLoader::is_trusted_loader(oop loader) { |
2949 // Fix for 4474172; see evaluation for more details | |
2950 loader = non_reflection_class_loader(loader); | |
2951 | |
2952 oop cl = SystemDictionary::java_system_loader(); | |
2953 while(cl != NULL) { | |
2954 if (cl == loader) return true; | |
2955 cl = parent(cl); | |
2956 } | |
2957 return false; | |
2958 } | |
2959 | |
2960 oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) { | |
2961 if (loader != NULL) { | |
2962 // See whether this is one of the class loaders associated with | |
2963 // the generated bytecodes for reflection, and if so, "magically" | |
2964 // delegate to its parent to prevent class loading from occurring | |
2965 // in places where applications using reflection didn't expect it. | |
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2966 Klass* delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass(); |
0 | 2967 // This might be null in non-1.4 JDKs |
2968 if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) { | |
2969 return parent(loader); | |
2970 } | |
2971 } | |
2972 return loader; | |
2973 } | |
2974 | |
2975 | |
2976 // Support for java_lang_System | |
2977 int java_lang_System::in_offset_in_bytes() { | |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
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6725
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changeset
|
2978 return (InstanceMirrorKlass::offset_of_static_fields() + static_in_offset); |
0 | 2979 } |
2980 | |
2981 | |
2982 int java_lang_System::out_offset_in_bytes() { | |
6735
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coleenp
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|
2983 return (InstanceMirrorKlass::offset_of_static_fields() + static_out_offset); |
0 | 2984 } |
2985 | |
2986 | |
2987 int java_lang_System::err_offset_in_bytes() { | |
6735
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coleenp
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|
2988 return (InstanceMirrorKlass::offset_of_static_fields() + static_err_offset); |
0 | 2989 } |
2990 | |
2991 | |
11010 | 2992 bool java_lang_System::has_security_manager() { |
2993 InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::System_klass()); | |
2994 address addr = ik->static_field_addr(static_security_offset); | |
2995 if (UseCompressedOops) { | |
2996 return oopDesc::load_decode_heap_oop((narrowOop *)addr) != NULL; | |
2997 } else { | |
2998 return oopDesc::load_decode_heap_oop((oop*)addr) != NULL; | |
2999 } | |
3000 } | |
0 | 3001 |
3938 | 3002 int java_lang_Class::_klass_offset; |
3003 int java_lang_Class::_array_klass_offset; | |
3004 int java_lang_Class::_oop_size_offset; | |
3005 int java_lang_Class::_static_oop_field_count_offset; | |
10343
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
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10155
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changeset
|
3006 int java_lang_Class::_protection_domain_offset; |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
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10155
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changeset
|
3007 int java_lang_Class::_init_lock_offset; |
6bd680e9ea35
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
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10155
diff
changeset
|
3008 int java_lang_Class::_signers_offset; |
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
3009 #ifdef GRAAL |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6940
diff
changeset
|
3010 int java_lang_Class::_graal_mirror_offset; |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
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diff
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|
3011 #endif |
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3012 GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL; |
0 | 3013 int java_lang_Throwable::backtrace_offset; |
3014 int java_lang_Throwable::detailMessage_offset; | |
3015 int java_lang_Throwable::cause_offset; | |
3016 int java_lang_Throwable::stackTrace_offset; | |
3820
0b80db433fcb
7046490: Preallocated OOME objects should obey Throwable stack trace protocol
dholmes
parents:
3795
diff
changeset
|
3017 int java_lang_Throwable::static_unassigned_stacktrace_offset; |
0 | 3018 int java_lang_reflect_AccessibleObject::override_offset; |
3019 int java_lang_reflect_Method::clazz_offset; | |
3020 int java_lang_reflect_Method::name_offset; | |
3021 int java_lang_reflect_Method::returnType_offset; | |
3022 int java_lang_reflect_Method::parameterTypes_offset; | |
3023 int java_lang_reflect_Method::exceptionTypes_offset; | |
3024 int java_lang_reflect_Method::slot_offset; | |
3025 int java_lang_reflect_Method::modifiers_offset; | |
3026 int java_lang_reflect_Method::signature_offset; | |
3027 int java_lang_reflect_Method::annotations_offset; | |
3028 int java_lang_reflect_Method::parameter_annotations_offset; | |
3029 int java_lang_reflect_Method::annotation_default_offset; | |
7457
35431a769282
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stefank
parents:
7185
diff
changeset
|
3030 int java_lang_reflect_Method::type_annotations_offset; |
0 | 3031 int java_lang_reflect_Constructor::clazz_offset; |
3032 int java_lang_reflect_Constructor::parameterTypes_offset; | |
3033 int java_lang_reflect_Constructor::exceptionTypes_offset; | |
3034 int java_lang_reflect_Constructor::slot_offset; | |
3035 int java_lang_reflect_Constructor::modifiers_offset; | |
3036 int java_lang_reflect_Constructor::signature_offset; | |
3037 int java_lang_reflect_Constructor::annotations_offset; | |
3038 int java_lang_reflect_Constructor::parameter_annotations_offset; | |
7457
35431a769282
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stefank
parents:
7185
diff
changeset
|
3039 int java_lang_reflect_Constructor::type_annotations_offset; |
0 | 3040 int java_lang_reflect_Field::clazz_offset; |
3041 int java_lang_reflect_Field::name_offset; | |
3042 int java_lang_reflect_Field::type_offset; | |
3043 int java_lang_reflect_Field::slot_offset; | |
3044 int java_lang_reflect_Field::modifiers_offset; | |
3045 int java_lang_reflect_Field::signature_offset; | |
3046 int java_lang_reflect_Field::annotations_offset; | |
7457
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stefank
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7185
diff
changeset
|
3047 int java_lang_reflect_Field::type_annotations_offset; |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
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7458
diff
changeset
|
3048 int java_lang_reflect_Parameter::name_offset; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7458
diff
changeset
|
3049 int java_lang_reflect_Parameter::modifiers_offset; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
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7458
diff
changeset
|
3050 int java_lang_reflect_Parameter::index_offset; |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
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diff
changeset
|
3051 int java_lang_reflect_Parameter::executable_offset; |
0 | 3052 int java_lang_boxing_object::value_offset; |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
changeset
|
3053 int java_lang_boxing_object::long_value_offset; |
0 | 3054 int java_lang_ref_Reference::referent_offset; |
3055 int java_lang_ref_Reference::queue_offset; | |
3056 int java_lang_ref_Reference::next_offset; | |
3057 int java_lang_ref_Reference::discovered_offset; | |
3058 int java_lang_ref_Reference::static_lock_offset; | |
3059 int java_lang_ref_Reference::static_pending_offset; | |
3060 int java_lang_ref_Reference::number_of_fake_oop_fields; | |
3061 int java_lang_ref_SoftReference::timestamp_offset; | |
3062 int java_lang_ref_SoftReference::static_clock_offset; | |
3063 int java_lang_ClassLoader::parent_offset; | |
3064 int java_lang_System::static_in_offset; | |
3065 int java_lang_System::static_out_offset; | |
3066 int java_lang_System::static_err_offset; | |
11010 | 3067 int java_lang_System::static_security_offset; |
0 | 3068 int java_lang_StackTraceElement::declaringClass_offset; |
3069 int java_lang_StackTraceElement::methodName_offset; | |
3070 int java_lang_StackTraceElement::fileName_offset; | |
3071 int java_lang_StackTraceElement::lineNumber_offset; | |
3072 int java_lang_AssertionStatusDirectives::classes_offset; | |
3073 int java_lang_AssertionStatusDirectives::classEnabled_offset; | |
3074 int java_lang_AssertionStatusDirectives::packages_offset; | |
3075 int java_lang_AssertionStatusDirectives::packageEnabled_offset; | |
3076 int java_lang_AssertionStatusDirectives::deflt_offset; | |
3077 int java_nio_Buffer::_limit_offset; | |
3078 int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; | |
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changeset
|
3079 int sun_reflect_ConstantPool::_oop_offset; |
0 | 3080 int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; |
3081 | |
3082 | |
3083 // Support for java_lang_StackTraceElement | |
3084 | |
3085 void java_lang_StackTraceElement::set_fileName(oop element, oop value) { | |
3086 element->obj_field_put(fileName_offset, value); | |
3087 } | |
3088 | |
3089 void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) { | |
3090 element->obj_field_put(declaringClass_offset, value); | |
3091 } | |
3092 | |
3093 void java_lang_StackTraceElement::set_methodName(oop element, oop value) { | |
3094 element->obj_field_put(methodName_offset, value); | |
3095 } | |
3096 | |
3097 void java_lang_StackTraceElement::set_lineNumber(oop element, int value) { | |
3098 element->int_field_put(lineNumber_offset, value); | |
3099 } | |
3100 | |
3101 | |
3102 // Support for java Assertions - java_lang_AssertionStatusDirectives. | |
3103 | |
3104 void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) { | |
3105 o->obj_field_put(classes_offset, val); | |
3106 } | |
3107 | |
3108 void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) { | |
3109 o->obj_field_put(classEnabled_offset, val); | |
3110 } | |
3111 | |
3112 void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) { | |
3113 o->obj_field_put(packages_offset, val); | |
3114 } | |
3115 | |
3116 void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) { | |
3117 o->obj_field_put(packageEnabled_offset, val); | |
3118 } | |
3119 | |
3120 void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) { | |
3121 o->bool_field_put(deflt_offset, val); | |
3122 } | |
3123 | |
3124 | |
3125 // Support for intrinsification of java.nio.Buffer.checkIndex | |
3126 int java_nio_Buffer::limit_offset() { | |
3127 return _limit_offset; | |
3128 } | |
3129 | |
3130 | |
3131 void java_nio_Buffer::compute_offsets() { | |
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|
3132 Klass* k = SystemDictionary::nio_Buffer_klass(); |
132
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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113
diff
changeset
|
3133 assert(k != NULL, "must be loaded in 1.4+"); |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3134 compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); |
0 | 3135 } |
3136 | |
3137 void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { | |
3138 if (_owner_offset != 0) return; | |
3139 | |
3140 assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later"); | |
3141 SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK); | |
6725
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3142 Klass* k = SystemDictionary::abstract_ownable_synchronizer_klass(); |
132
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|
3143 compute_offset(_owner_offset, k, |
0 | 3144 vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature()); |
3145 } | |
3146 | |
3147 oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) { | |
3148 assert(_owner_offset != 0, "Must be initialized"); | |
3149 return obj->obj_field(_owner_offset); | |
3150 } | |
3151 | |
3152 // Compute hard-coded offsets | |
3153 // Invoked before SystemDictionary::initialize, so pre-loaded classes | |
3154 // are not available to determine the offset_of_static_fields. | |
3155 void JavaClasses::compute_hard_coded_offsets() { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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98
diff
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|
3156 const int x = heapOopSize; |
165
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|
3157 const int header = instanceOopDesc::base_offset_in_bytes(); |
0 | 3158 |
3159 // Throwable Class | |
3160 java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header; | |
3161 java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header; | |
3162 java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header; | |
3163 java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header; | |
3820
0b80db433fcb
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dholmes
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3795
diff
changeset
|
3164 java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset * x; |
0 | 3165 |
3166 // java_lang_boxing_object | |
165
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3167 java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header; |
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3168 java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong); |
0 | 3169 |
3170 // java_lang_ref_Reference: | |
3171 java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header; | |
3172 java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header; | |
3173 java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header; | |
3174 java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header; | |
3175 java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x; | |
3176 java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x; | |
3177 // Artificial fields for java_lang_ref_Reference | |
3178 // The first field is for the discovered field added in 1.4 | |
3179 java_lang_ref_Reference::number_of_fake_oop_fields = 1; | |
3180 | |
3181 // java_lang_ref_SoftReference Class | |
165
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3182 java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong); |
0 | 3183 // Don't multiply static fields because they are always in wordSize units |
3184 java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x; | |
3185 | |
3186 // java_lang_ClassLoader | |
3187 java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header; | |
3188 | |
3189 // java_lang_System | |
3190 java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x; | |
3191 java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x; | |
3192 java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x; | |
11010 | 3193 java_lang_System::static_security_offset = java_lang_System::hc_static_security_offset * x; |
0 | 3194 |
3195 // java_lang_StackTraceElement | |
3196 java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header; | |
3197 java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header; | |
3198 java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header; | |
3199 java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header; | |
3200 java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header; | |
3201 java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header; | |
3202 java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header; | |
3203 java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header; | |
3204 java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header; | |
3205 | |
3206 } | |
3207 | |
3208 | |
3209 // Compute non-hard-coded field offsets of all the classes in this file | |
3210 void JavaClasses::compute_offsets() { | |
3938 | 3211 // java_lang_Class::compute_offsets was called earlier in bootstrap |
3212 java_lang_ClassLoader::compute_offsets(); | |
0 | 3213 java_lang_Thread::compute_offsets(); |
3214 java_lang_ThreadGroup::compute_offsets(); | |
2416
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6817525: turn on method handle functionality by default for JSR 292
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2379
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|
3215 if (EnableInvokeDynamic) { |
2357
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7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
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2356
diff
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|
3216 java_lang_invoke_MethodHandle::compute_offsets(); |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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|
3217 java_lang_invoke_MemberName::compute_offsets(); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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6224
diff
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|
3218 java_lang_invoke_LambdaForm::compute_offsets(); |
2357
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diff
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|
3219 java_lang_invoke_MethodType::compute_offsets(); |
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
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|
3220 java_lang_invoke_CallSite::compute_offsets(); |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
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|
3221 } |
0 | 3222 java_security_AccessControlContext::compute_offsets(); |
3223 // Initialize reflection classes. The layouts of these classes | |
3224 // changed with the new reflection implementation in JDK 1.4, and | |
3225 // since the Universe doesn't know what JDK version it is until this | |
3226 // point we defer computation of these offsets until now. | |
3227 java_lang_reflect_AccessibleObject::compute_offsets(); | |
3228 java_lang_reflect_Method::compute_offsets(); | |
3229 java_lang_reflect_Constructor::compute_offsets(); | |
3230 java_lang_reflect_Field::compute_offsets(); | |
3231 if (JDK_Version::is_gte_jdk14x_version()) { | |
3232 java_nio_Buffer::compute_offsets(); | |
3233 } | |
3234 if (JDK_Version::is_gte_jdk15x_version()) { | |
3235 sun_reflect_ConstantPool::compute_offsets(); | |
3236 sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); | |
3237 } | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
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7458
diff
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|
3238 if (JDK_Version::is_jdk18x_version()) |
ade95d680b42
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coleenp
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7458
diff
changeset
|
3239 java_lang_reflect_Parameter::compute_offsets(); |
710 | 3240 |
3241 // generated interpreter code wants to know about the offsets we just computed: | |
3242 AbstractAssembler::update_delayed_values(); | |
0 | 3243 } |
3244 | |
3245 #ifndef PRODUCT | |
3246 | |
3247 // These functions exist to assert the validity of hard-coded field offsets to guard | |
3248 // against changes in the class files | |
3249 | |
3250 bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
3251 EXCEPTION_MARK; | |
3252 fieldDescriptor fd; | |
2177
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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1989
diff
changeset
|
3253 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
6725
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|
3254 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
0 | 3255 instanceKlassHandle h_klass (THREAD, k); |
2177
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6990754: Use native memory and reference counting to implement SymbolTable
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diff
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|
3256 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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diff
changeset
|
3257 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
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|
3258 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
0 | 3259 tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name); |
3260 return false; | |
3261 } | |
3262 if (fd.is_static()) { | |
3263 tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name); | |
3264 return false; | |
3265 } | |
3266 if (fd.offset() == hardcoded_offset ) { | |
3267 return true; | |
3268 } else { | |
3269 tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.", | |
3270 klass_name, field_name, hardcoded_offset, fd.offset()); | |
3271 return false; | |
3272 } | |
3273 } | |
3274 | |
3275 | |
3276 bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { | |
3277 EXCEPTION_MARK; | |
3278 fieldDescriptor fd; | |
2177
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parents:
1989
diff
changeset
|
3279 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
6725
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coleenp
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6267
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|
3280 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
0 | 3281 instanceKlassHandle h_klass (THREAD, k); |
2177
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6990754: Use native memory and reference counting to implement SymbolTable
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1989
diff
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|
3282 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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1989
diff
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|
3283 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
3582bf76420e
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diff
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|
3284 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
0 | 3285 tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
3286 return false; | |
3287 } | |
3288 if (!fd.is_static()) { | |
3289 tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name); | |
3290 return false; | |
3291 } | |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
3292 if (fd.offset() == hardcoded_offset + InstanceMirrorKlass::offset_of_static_fields()) { |
0 | 3293 return true; |
3294 } else { | |
6735
aed758eda82a
7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents:
6725
diff
changeset
|
3295 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 | 3296 return false; |
3297 } | |
3298 } | |
3299 | |
3300 | |
132
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jrose
parents:
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|
3301 bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) { |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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diff
changeset
|
3302 EXCEPTION_MARK; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
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changeset
|
3303 fieldDescriptor fd; |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3304 TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
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|
3305 Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
132
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|
3306 instanceKlassHandle h_klass (THREAD, k); |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3307 TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3308 TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3309 if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
132
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jrose
parents:
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diff
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|
3310 tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
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|
3311 return false; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3312 } |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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113
diff
changeset
|
3313 if (!fd.is_static() || !fd.has_initial_value()) { |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
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|
3314 tty->print_cr("Static field %s.%s appears to be non-constant", klass_name, field_name); |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3315 return false; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3316 } |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3317 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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|
3318 tty->print_cr("Static field %s.%s is not an int", klass_name, field_name); |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
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|
3319 return false; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3320 } |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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113
diff
changeset
|
3321 jint field_value = fd.int_initial_value(); |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3322 if (field_value == hardcoded_constant) { |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3323 return true; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3324 } else { |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3325 tty->print_cr("Constant value of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_constant, field_value); |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3326 return false; |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3327 } |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3328 } |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
parents:
113
diff
changeset
|
3329 |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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113
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|
3330 |
0 | 3331 // Check the hard-coded field offsets of all the classes in this file |
3332 | |
3333 void JavaClasses::check_offsets() { | |
3334 bool valid = true; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6267
diff
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|
3335 HandleMark hm; |
0 | 3336 |
3337 #define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ | |
3338 valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig) | |
3339 | |
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
132
diff
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|
3340 #define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
437d03ea40b1
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kvn
parents:
132
diff
changeset
|
3341 valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig) |
437d03ea40b1
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kvn
parents:
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diff
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|
3342 |
0 | 3343 #define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
3344 valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig) | |
3345 | |
132
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|
3346 #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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|
3347 valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig) |
60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
jrose
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|
3348 |
0 | 3349 // java.lang.String |
3350 | |
3351 CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C"); | |
6057 | 3352 if (java_lang_String::has_offset_field()) { |
3353 CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I"); | |
3354 CHECK_OFFSET("java/lang/String", java_lang_String, count, "I"); | |
3355 } | |
3356 if (java_lang_String::has_hash_field()) { | |
3357 CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I"); | |
3358 } | |
0 | 3359 |
3360 // java.lang.Class | |
3361 | |
3362 // Fake fields | |
3363 // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked | |
3364 // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked | |
3365 | |
3366 // java.lang.Throwable | |
3367 | |
3368 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;"); | |
3369 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;"); | |
3370 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;"); | |
3371 CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;"); | |
3372 | |
3373 // Boxed primitive objects (java_lang_boxing_object) | |
3374 | |
3375 CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z"); | |
3376 CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C"); | |
3377 CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F"); | |
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3378 CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D"); |
0 | 3379 CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B"); |
3380 CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S"); | |
3381 CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I"); | |
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3382 CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J"); |
0 | 3383 |
3384 // java.lang.ClassLoader | |
3385 | |
3386 CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;"); | |
3387 | |
3388 // java.lang.System | |
3389 | |
3390 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;"); | |
3391 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;"); | |
3392 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;"); | |
11010 | 3393 CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, security, "Ljava/lang/SecurityManager;"); |
0 | 3394 |
3395 // java.lang.StackTraceElement | |
3396 | |
3397 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;"); | |
3398 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;"); | |
3399 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;"); | |
3400 CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I"); | |
3401 | |
3402 // java.lang.ref.Reference | |
3403 | |
3404 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;"); | |
3405 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;"); | |
3406 CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;"); | |
3407 // Fake field | |
3408 //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;"); | |
3409 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;"); | |
3410 CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;"); | |
3411 | |
3412 // java.lang.ref.SoftReference | |
3413 | |
3414 CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J"); | |
3415 CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J"); | |
3416 | |
3417 // java.lang.AssertionStatusDirectives | |
3418 // | |
3419 // The CheckAssertionStatusDirectives boolean can be removed from here and | |
3420 // globals.hpp after the AssertionStatusDirectives class has been integrated | |
3421 // into merlin "for some time." Without it, the vm will fail with early | |
3422 // merlin builds. | |
3423 | |
3424 if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) { | |
3425 const char* nm = "java/lang/AssertionStatusDirectives"; | |
3426 const char* sig = "[Ljava/lang/String;"; | |
3427 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig); | |
3428 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z"); | |
3429 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig); | |
3430 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z"); | |
3431 CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z"); | |
3432 } | |
3433 | |
3434 if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed"); | |
3435 } | |
3436 | |
3437 #endif // PRODUCT | |
3438 | |
3938 | 3439 int InjectedField::compute_offset() { |
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3440 Klass* klass_oop = klass(); |
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3441 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
3938 | 3442 if (!may_be_java && !fs.access_flags().is_internal()) { |
3443 // Only look at injected fields | |
3444 continue; | |
3445 } | |
3446 if (fs.name() == name() && fs.signature() == signature()) { | |
3447 return fs.offset(); | |
3448 } | |
3449 } | |
3450 ResourceMark rm; | |
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3451 tty->print_cr("Invalid layout of %s at %s/%s%s", InstanceKlass::cast(klass_oop)->external_name(), name()->as_C_string(), signature()->as_C_string(), may_be_java ? " (may_be_java)" : ""); |
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3452 #ifndef PRODUCT |
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3453 klass_oop->print(); |
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3454 tty->print_cr("all fields:"); |
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3455 for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
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3456 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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3457 } |
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3458 #endif //PRODUCT |
3938 | 3459 fatal("Invalid layout of preloaded class"); |
3460 return -1; | |
3461 } | |
3462 | |
0 | 3463 void javaClasses_init() { |
3464 JavaClasses::compute_offsets(); | |
3465 JavaClasses::check_offsets(); | |
3466 FilteredFieldsMap::initialize(); // must be done after computing offsets. | |
3467 } |