Fri, 18 Oct 2013 10:41:56 +0200
8026844: Various Math functions needs intrinsification
Reviewed-by: kvn, twisti
duke@435 | 1 | /* |
coleenp@4466 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
coleenp@3865 | 26 | #include "classfile/altHashing.hpp" |
stefank@2314 | 27 | #include "classfile/javaClasses.hpp" |
stefank@2314 | 28 | #include "classfile/symbolTable.hpp" |
stefank@2314 | 29 | #include "classfile/vmSymbols.hpp" |
stefank@2314 | 30 | #include "code/debugInfo.hpp" |
stefank@2314 | 31 | #include "code/pcDesc.hpp" |
twisti@3100 | 32 | #include "compiler/compilerOracle.hpp" |
stefank@2314 | 33 | #include "interpreter/interpreter.hpp" |
stefank@2314 | 34 | #include "memory/oopFactory.hpp" |
stefank@2314 | 35 | #include "memory/resourceArea.hpp" |
stefank@2314 | 36 | #include "memory/universe.inline.hpp" |
never@3137 | 37 | #include "oops/fieldStreams.hpp" |
stefank@2314 | 38 | #include "oops/instanceKlass.hpp" |
never@2658 | 39 | #include "oops/instanceMirrorKlass.hpp" |
stefank@2314 | 40 | #include "oops/klass.hpp" |
coleenp@4037 | 41 | #include "oops/method.hpp" |
coleenp@2497 | 42 | #include "oops/symbol.hpp" |
stefank@2314 | 43 | #include "oops/typeArrayOop.hpp" |
stefank@2314 | 44 | #include "runtime/fieldDescriptor.hpp" |
stefank@2314 | 45 | #include "runtime/handles.inline.hpp" |
stefank@2314 | 46 | #include "runtime/interfaceSupport.hpp" |
stefank@2314 | 47 | #include "runtime/java.hpp" |
stefank@2314 | 48 | #include "runtime/javaCalls.hpp" |
stefank@2314 | 49 | #include "runtime/safepoint.hpp" |
stefank@4299 | 50 | #include "runtime/thread.inline.hpp" |
stefank@2314 | 51 | #include "runtime/vframe.hpp" |
stefank@2314 | 52 | #include "utilities/preserveException.hpp" |
duke@435 | 53 | |
never@3137 | 54 | #define INJECTED_FIELD_COMPUTE_OFFSET(klass, name, signature, may_be_java) \ |
never@3137 | 55 | klass::_##name##_offset = JavaClasses::compute_injected_offset(JavaClasses::klass##_##name##_enum); |
never@3137 | 56 | |
never@3137 | 57 | #define DECLARE_INJECTED_FIELD(klass, name, signature, may_be_java) \ |
never@3137 | 58 | { SystemDictionary::WK_KLASS_ENUM_NAME(klass), vmSymbols::VM_SYMBOL_ENUM_NAME(name##_name), vmSymbols::VM_SYMBOL_ENUM_NAME(signature), may_be_java }, |
never@3137 | 59 | |
never@3137 | 60 | InjectedField JavaClasses::_injected_fields[] = { |
never@3137 | 61 | ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD) |
never@3137 | 62 | }; |
never@3137 | 63 | |
never@3137 | 64 | int JavaClasses::compute_injected_offset(InjectedFieldID id) { |
never@3137 | 65 | return _injected_fields[id].compute_offset(); |
never@3137 | 66 | } |
never@3137 | 67 | |
never@3137 | 68 | |
never@3137 | 69 | InjectedField* JavaClasses::get_injected(Symbol* class_name, int* field_count) { |
never@3137 | 70 | *field_count = 0; |
never@3137 | 71 | |
never@3137 | 72 | vmSymbols::SID sid = vmSymbols::find_sid(class_name); |
never@3137 | 73 | if (sid == vmSymbols::NO_SID) { |
never@3137 | 74 | // Only well known classes can inject fields |
never@3137 | 75 | return NULL; |
never@3137 | 76 | } |
never@3137 | 77 | |
never@3137 | 78 | int count = 0; |
never@3137 | 79 | int start = -1; |
never@3137 | 80 | |
never@3137 | 81 | #define LOOKUP_INJECTED_FIELD(klass, name, signature, may_be_java) \ |
never@3137 | 82 | if (sid == vmSymbols::VM_SYMBOL_ENUM_NAME(klass)) { \ |
never@3137 | 83 | count++; \ |
never@3137 | 84 | if (start == -1) start = klass##_##name##_enum; \ |
never@3137 | 85 | } |
never@3137 | 86 | ALL_INJECTED_FIELDS(LOOKUP_INJECTED_FIELD); |
never@3137 | 87 | #undef LOOKUP_INJECTED_FIELD |
never@3137 | 88 | |
never@3137 | 89 | if (start != -1) { |
never@3137 | 90 | *field_count = count; |
never@3137 | 91 | return _injected_fields + start; |
never@3137 | 92 | } |
never@3137 | 93 | return NULL; |
never@3137 | 94 | } |
never@3137 | 95 | |
never@3137 | 96 | |
coleenp@4037 | 97 | static bool find_field(InstanceKlass* ik, |
coleenp@2497 | 98 | Symbol* name_symbol, Symbol* signature_symbol, |
jrose@1145 | 99 | fieldDescriptor* fd, |
jrose@1145 | 100 | bool allow_super = false) { |
jrose@1145 | 101 | if (allow_super) |
jrose@1145 | 102 | return ik->find_field(name_symbol, signature_symbol, fd) != NULL; |
jrose@1145 | 103 | else |
jrose@1145 | 104 | return ik->find_local_field(name_symbol, signature_symbol, fd); |
jrose@1145 | 105 | } |
jrose@1145 | 106 | |
jrose@567 | 107 | // Helpful routine for computing field offsets at run time rather than hardcoding them |
jrose@567 | 108 | static void |
jrose@567 | 109 | compute_offset(int &dest_offset, |
coleenp@4037 | 110 | Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
jrose@1145 | 111 | bool allow_super = false) { |
jrose@567 | 112 | fieldDescriptor fd; |
coleenp@4037 | 113 | InstanceKlass* ik = InstanceKlass::cast(klass_oop); |
jrose@1145 | 114 | if (!find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
jrose@567 | 115 | ResourceMark rm; |
jrose@567 | 116 | tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string()); |
twisti@3969 | 117 | #ifndef PRODUCT |
twisti@3969 | 118 | klass_oop->print(); |
twisti@3969 | 119 | tty->print_cr("all fields:"); |
coleenp@4037 | 120 | for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
twisti@3969 | 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()); |
twisti@3969 | 122 | } |
twisti@3969 | 123 | #endif //PRODUCT |
jrose@567 | 124 | fatal("Invalid layout of preloaded class"); |
jrose@567 | 125 | } |
jrose@567 | 126 | dest_offset = fd.offset(); |
duke@435 | 127 | } |
duke@435 | 128 | |
duke@435 | 129 | // Same as above but for "optional" offsets that might not be present in certain JDK versions |
jrose@567 | 130 | static void |
jrose@567 | 131 | compute_optional_offset(int& dest_offset, |
coleenp@4037 | 132 | Klass* klass_oop, Symbol* name_symbol, Symbol* signature_symbol, |
jrose@1145 | 133 | bool allow_super = false) { |
jrose@567 | 134 | fieldDescriptor fd; |
coleenp@4037 | 135 | InstanceKlass* ik = InstanceKlass::cast(klass_oop); |
jrose@1145 | 136 | if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) { |
jrose@567 | 137 | dest_offset = fd.offset(); |
jrose@567 | 138 | } |
duke@435 | 139 | } |
duke@435 | 140 | |
jrose@1145 | 141 | |
kvn@3760 | 142 | int java_lang_String::value_offset = 0; |
kvn@3760 | 143 | int java_lang_String::offset_offset = 0; |
kvn@3760 | 144 | int java_lang_String::count_offset = 0; |
kvn@3760 | 145 | int java_lang_String::hash_offset = 0; |
kvn@3760 | 146 | |
kvn@3760 | 147 | bool java_lang_String::initialized = false; |
kvn@3760 | 148 | |
kvn@3760 | 149 | void java_lang_String::compute_offsets() { |
kvn@3760 | 150 | assert(!initialized, "offsets should be initialized only once"); |
kvn@3760 | 151 | |
coleenp@4037 | 152 | Klass* k = SystemDictionary::String_klass(); |
kvn@3760 | 153 | compute_offset(value_offset, k, vmSymbols::value_name(), vmSymbols::char_array_signature()); |
kvn@3760 | 154 | compute_optional_offset(offset_offset, k, vmSymbols::offset_name(), vmSymbols::int_signature()); |
kvn@3760 | 155 | compute_optional_offset(count_offset, k, vmSymbols::count_name(), vmSymbols::int_signature()); |
kvn@3760 | 156 | compute_optional_offset(hash_offset, k, vmSymbols::hash_name(), vmSymbols::int_signature()); |
kvn@3760 | 157 | |
kvn@3760 | 158 | initialized = true; |
kvn@3760 | 159 | } |
kvn@3760 | 160 | |
coleenp@4037 | 161 | Handle java_lang_String::basic_create(int length, TRAPS) { |
kvn@3760 | 162 | assert(initialized, "Must be initialized"); |
duke@435 | 163 | // Create the String object first, so there's a chance that the String |
duke@435 | 164 | // and the char array it points to end up in the same cache line. |
duke@435 | 165 | oop obj; |
coleenp@4037 | 166 | obj = InstanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH); |
duke@435 | 167 | |
duke@435 | 168 | // Create the char array. The String object must be handlized here |
duke@435 | 169 | // because GC can happen as a result of the allocation attempt. |
duke@435 | 170 | Handle h_obj(THREAD, obj); |
duke@435 | 171 | typeArrayOop buffer; |
duke@435 | 172 | buffer = oopFactory::new_charArray(length, CHECK_NH); |
duke@435 | 173 | |
duke@435 | 174 | // Point the String at the char array |
duke@435 | 175 | obj = h_obj(); |
duke@435 | 176 | set_value(obj, buffer); |
duke@435 | 177 | // No need to zero the offset, allocation zero'ed the entire String object |
duke@435 | 178 | assert(offset(obj) == 0, "initial String offset should be zero"); |
duke@435 | 179 | //set_offset(obj, 0); |
duke@435 | 180 | set_count(obj, length); |
duke@435 | 181 | |
duke@435 | 182 | return h_obj; |
duke@435 | 183 | } |
duke@435 | 184 | |
coleenp@4037 | 185 | Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) { |
coleenp@4037 | 186 | Handle h_obj = basic_create(length, CHECK_NH); |
duke@435 | 187 | typeArrayOop buffer = value(h_obj()); |
duke@435 | 188 | for (int index = 0; index < length; index++) { |
duke@435 | 189 | buffer->char_at_put(index, unicode[index]); |
duke@435 | 190 | } |
duke@435 | 191 | return h_obj; |
duke@435 | 192 | } |
duke@435 | 193 | |
duke@435 | 194 | oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) { |
coleenp@4037 | 195 | Handle h_obj = create_from_unicode(unicode, length, CHECK_0); |
duke@435 | 196 | return h_obj(); |
duke@435 | 197 | } |
duke@435 | 198 | |
duke@435 | 199 | Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) { |
duke@435 | 200 | if (utf8_str == NULL) { |
duke@435 | 201 | return Handle(); |
duke@435 | 202 | } |
duke@435 | 203 | int length = UTF8::unicode_length(utf8_str); |
coleenp@4037 | 204 | Handle h_obj = basic_create(length, CHECK_NH); |
duke@435 | 205 | if (length > 0) { |
duke@435 | 206 | UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length); |
duke@435 | 207 | } |
duke@435 | 208 | return h_obj; |
duke@435 | 209 | } |
duke@435 | 210 | |
duke@435 | 211 | oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) { |
duke@435 | 212 | Handle h_obj = create_from_str(utf8_str, CHECK_0); |
duke@435 | 213 | return h_obj(); |
duke@435 | 214 | } |
duke@435 | 215 | |
coleenp@2497 | 216 | Handle java_lang_String::create_from_symbol(Symbol* symbol, TRAPS) { |
duke@435 | 217 | int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length()); |
coleenp@4037 | 218 | Handle h_obj = basic_create(length, CHECK_NH); |
duke@435 | 219 | if (length > 0) { |
duke@435 | 220 | UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length); |
duke@435 | 221 | } |
duke@435 | 222 | return h_obj; |
duke@435 | 223 | } |
duke@435 | 224 | |
duke@435 | 225 | // Converts a C string to a Java String based on current encoding |
duke@435 | 226 | Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) { |
duke@435 | 227 | assert(str != NULL, "bad arguments"); |
duke@435 | 228 | |
duke@435 | 229 | typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *); |
duke@435 | 230 | static to_java_string_fn_t _to_java_string_fn = NULL; |
duke@435 | 231 | |
duke@435 | 232 | if (_to_java_string_fn == NULL) { |
duke@435 | 233 | void *lib_handle = os::native_java_library(); |
ikrylov@2322 | 234 | _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform")); |
duke@435 | 235 | if (_to_java_string_fn == NULL) { |
duke@435 | 236 | fatal("NewStringPlatform missing"); |
duke@435 | 237 | } |
duke@435 | 238 | } |
duke@435 | 239 | |
duke@435 | 240 | jstring js = NULL; |
duke@435 | 241 | { JavaThread* thread = (JavaThread*)THREAD; |
duke@435 | 242 | assert(thread->is_Java_thread(), "must be java thread"); |
coleenp@457 | 243 | HandleMark hm(thread); |
duke@435 | 244 | ThreadToNativeFromVM ttn(thread); |
duke@435 | 245 | js = (_to_java_string_fn)(thread->jni_environment(), str); |
duke@435 | 246 | } |
duke@435 | 247 | return Handle(THREAD, JNIHandles::resolve(js)); |
duke@435 | 248 | } |
duke@435 | 249 | |
coleenp@457 | 250 | // Converts a Java String to a native C string that can be used for |
coleenp@457 | 251 | // native OS calls. |
coleenp@457 | 252 | char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) { |
coleenp@457 | 253 | |
coleenp@457 | 254 | typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*); |
coleenp@457 | 255 | static to_platform_string_fn_t _to_platform_string_fn = NULL; |
coleenp@457 | 256 | |
coleenp@457 | 257 | if (_to_platform_string_fn == NULL) { |
coleenp@457 | 258 | void *lib_handle = os::native_java_library(); |
ikrylov@2322 | 259 | _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars")); |
coleenp@457 | 260 | if (_to_platform_string_fn == NULL) { |
coleenp@457 | 261 | fatal("GetStringPlatformChars missing"); |
coleenp@457 | 262 | } |
coleenp@457 | 263 | } |
coleenp@457 | 264 | |
coleenp@457 | 265 | char *native_platform_string; |
coleenp@457 | 266 | { JavaThread* thread = (JavaThread*)THREAD; |
coleenp@457 | 267 | assert(thread->is_Java_thread(), "must be java thread"); |
coleenp@457 | 268 | JNIEnv *env = thread->jni_environment(); |
coleenp@457 | 269 | jstring js = (jstring) JNIHandles::make_local(env, java_string()); |
coleenp@457 | 270 | bool is_copy; |
coleenp@457 | 271 | HandleMark hm(thread); |
coleenp@457 | 272 | ThreadToNativeFromVM ttn(thread); |
coleenp@457 | 273 | native_platform_string = (_to_platform_string_fn)(env, js, &is_copy); |
coleenp@457 | 274 | assert(is_copy == JNI_TRUE, "is_copy value changed"); |
coleenp@457 | 275 | JNIHandles::destroy_local(js); |
coleenp@457 | 276 | } |
coleenp@457 | 277 | return native_platform_string; |
coleenp@457 | 278 | } |
coleenp@457 | 279 | |
duke@435 | 280 | Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) { |
duke@435 | 281 | oop obj = java_string(); |
duke@435 | 282 | // Typical usage is to convert all '/' to '.' in string. |
duke@435 | 283 | typeArrayOop value = java_lang_String::value(obj); |
duke@435 | 284 | int offset = java_lang_String::offset(obj); |
duke@435 | 285 | int length = java_lang_String::length(obj); |
duke@435 | 286 | |
duke@435 | 287 | // First check if any from_char exist |
duke@435 | 288 | int index; // Declared outside, used later |
duke@435 | 289 | for (index = 0; index < length; index++) { |
duke@435 | 290 | if (value->char_at(index + offset) == from_char) { |
duke@435 | 291 | break; |
duke@435 | 292 | } |
duke@435 | 293 | } |
duke@435 | 294 | if (index == length) { |
duke@435 | 295 | // No from_char, so do not copy. |
duke@435 | 296 | return java_string; |
duke@435 | 297 | } |
duke@435 | 298 | |
duke@435 | 299 | // Create new UNICODE buffer. Must handlize value because GC |
duke@435 | 300 | // may happen during String and char array creation. |
duke@435 | 301 | typeArrayHandle h_value(THREAD, value); |
coleenp@4037 | 302 | Handle string = basic_create(length, CHECK_NH); |
duke@435 | 303 | |
duke@435 | 304 | typeArrayOop from_buffer = h_value(); |
duke@435 | 305 | typeArrayOop to_buffer = java_lang_String::value(string()); |
duke@435 | 306 | |
duke@435 | 307 | // Copy contents |
duke@435 | 308 | for (index = 0; index < length; index++) { |
duke@435 | 309 | jchar c = from_buffer->char_at(index + offset); |
duke@435 | 310 | if (c == from_char) { |
duke@435 | 311 | c = to_char; |
duke@435 | 312 | } |
duke@435 | 313 | to_buffer->char_at_put(index, c); |
duke@435 | 314 | } |
duke@435 | 315 | return string; |
duke@435 | 316 | } |
duke@435 | 317 | |
hseigel@4987 | 318 | jchar* java_lang_String::as_unicode_string(oop java_string, int& length, TRAPS) { |
duke@435 | 319 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 320 | int offset = java_lang_String::offset(java_string); |
duke@435 | 321 | length = java_lang_String::length(java_string); |
duke@435 | 322 | |
hseigel@4987 | 323 | jchar* result = NEW_RESOURCE_ARRAY_RETURN_NULL(jchar, length); |
hseigel@4987 | 324 | if (result != NULL) { |
hseigel@4987 | 325 | for (int index = 0; index < length; index++) { |
hseigel@4987 | 326 | result[index] = value->char_at(index + offset); |
hseigel@4987 | 327 | } |
hseigel@4987 | 328 | } else { |
hseigel@4987 | 329 | THROW_MSG_0(vmSymbols::java_lang_OutOfMemoryError(), "could not allocate Unicode string"); |
duke@435 | 330 | } |
duke@435 | 331 | return result; |
duke@435 | 332 | } |
duke@435 | 333 | |
brutisso@4335 | 334 | unsigned int java_lang_String::hash_code(oop java_string) { |
coleenp@3865 | 335 | int length = java_lang_String::length(java_string); |
brutisso@4335 | 336 | // Zero length string will hash to zero with String.hashCode() function. |
coleenp@3865 | 337 | if (length == 0) return 0; |
coleenp@3865 | 338 | |
never@2700 | 339 | typeArrayOop value = java_lang_String::value(java_string); |
never@2700 | 340 | int offset = java_lang_String::offset(java_string); |
brutisso@4335 | 341 | return java_lang_String::hash_code(value->char_at_addr(offset), length); |
coleenp@3865 | 342 | } |
coleenp@3865 | 343 | |
minqi@4267 | 344 | char* java_lang_String::as_quoted_ascii(oop java_string) { |
minqi@4267 | 345 | typeArrayOop value = java_lang_String::value(java_string); |
minqi@4267 | 346 | int offset = java_lang_String::offset(java_string); |
minqi@4267 | 347 | int length = java_lang_String::length(java_string); |
minqi@4267 | 348 | |
minqi@4267 | 349 | jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
minqi@4267 | 350 | if (base == NULL) return NULL; |
minqi@4267 | 351 | |
minqi@4267 | 352 | int result_length = UNICODE::quoted_ascii_length(base, length) + 1; |
minqi@4267 | 353 | char* result = NEW_RESOURCE_ARRAY(char, result_length); |
minqi@4267 | 354 | UNICODE::as_quoted_ascii(base, length, result, result_length); |
minqi@4267 | 355 | assert(result_length >= length + 1, "must not be shorter"); |
minqi@4267 | 356 | assert(result_length == (int)strlen(result) + 1, "must match"); |
minqi@4267 | 357 | return result; |
minqi@4267 | 358 | } |
minqi@4267 | 359 | |
coleenp@3865 | 360 | unsigned int java_lang_String::hash_string(oop java_string) { |
never@2700 | 361 | int length = java_lang_String::length(java_string); |
coleenp@3865 | 362 | // Zero length string doesn't hash necessarily hash to zero. |
coleenp@3865 | 363 | if (length == 0) { |
coleenp@3865 | 364 | return StringTable::hash_string(NULL, 0); |
coleenp@3865 | 365 | } |
coleenp@3865 | 366 | |
coleenp@3865 | 367 | typeArrayOop value = java_lang_String::value(java_string); |
coleenp@3865 | 368 | int offset = java_lang_String::offset(java_string); |
coleenp@3865 | 369 | return StringTable::hash_string(value->char_at_addr(offset), length); |
never@2700 | 370 | } |
never@2700 | 371 | |
coleenp@2497 | 372 | Symbol* java_lang_String::as_symbol(Handle java_string, TRAPS) { |
duke@435 | 373 | oop obj = java_string(); |
duke@435 | 374 | typeArrayOop value = java_lang_String::value(obj); |
duke@435 | 375 | int offset = java_lang_String::offset(obj); |
duke@435 | 376 | int length = java_lang_String::length(obj); |
twisti@1384 | 377 | jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
coleenp@2497 | 378 | Symbol* sym = SymbolTable::lookup_unicode(base, length, THREAD); |
coleenp@2497 | 379 | return sym; |
duke@435 | 380 | } |
duke@435 | 381 | |
coleenp@2497 | 382 | Symbol* java_lang_String::as_symbol_or_null(oop java_string) { |
jrose@1100 | 383 | typeArrayOop value = java_lang_String::value(java_string); |
jrose@1100 | 384 | int offset = java_lang_String::offset(java_string); |
jrose@1100 | 385 | int length = java_lang_String::length(java_string); |
twisti@1384 | 386 | jchar* base = (length == 0) ? NULL : value->char_at_addr(offset); |
jrose@1100 | 387 | return SymbolTable::probe_unicode(base, length); |
jrose@1100 | 388 | } |
jrose@1100 | 389 | |
jrose@1100 | 390 | |
duke@435 | 391 | int java_lang_String::utf8_length(oop java_string) { |
duke@435 | 392 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 393 | int offset = java_lang_String::offset(java_string); |
duke@435 | 394 | int length = java_lang_String::length(java_string); |
duke@435 | 395 | jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
duke@435 | 396 | return UNICODE::utf8_length(position, length); |
duke@435 | 397 | } |
duke@435 | 398 | |
duke@435 | 399 | char* java_lang_String::as_utf8_string(oop java_string) { |
duke@435 | 400 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 401 | int offset = java_lang_String::offset(java_string); |
duke@435 | 402 | int length = java_lang_String::length(java_string); |
duke@435 | 403 | jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
duke@435 | 404 | return UNICODE::as_utf8(position, length); |
duke@435 | 405 | } |
duke@435 | 406 | |
sla@2331 | 407 | char* java_lang_String::as_utf8_string(oop java_string, char* buf, int buflen) { |
sla@2331 | 408 | typeArrayOop value = java_lang_String::value(java_string); |
sla@2331 | 409 | int offset = java_lang_String::offset(java_string); |
sla@2331 | 410 | int length = java_lang_String::length(java_string); |
sla@2331 | 411 | jchar* position = (length == 0) ? NULL : value->char_at_addr(offset); |
sla@2331 | 412 | return UNICODE::as_utf8(position, length, buf, buflen); |
sla@2331 | 413 | } |
sla@2331 | 414 | |
duke@435 | 415 | char* java_lang_String::as_utf8_string(oop java_string, int start, int len) { |
duke@435 | 416 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 417 | int offset = java_lang_String::offset(java_string); |
duke@435 | 418 | int length = java_lang_String::length(java_string); |
duke@435 | 419 | assert(start + len <= length, "just checking"); |
duke@435 | 420 | jchar* position = value->char_at_addr(offset + start); |
duke@435 | 421 | return UNICODE::as_utf8(position, len); |
duke@435 | 422 | } |
duke@435 | 423 | |
duke@435 | 424 | bool java_lang_String::equals(oop java_string, jchar* chars, int len) { |
coleenp@4178 | 425 | assert(java_string->klass() == SystemDictionary::String_klass(), |
duke@435 | 426 | "must be java_string"); |
duke@435 | 427 | typeArrayOop value = java_lang_String::value(java_string); |
duke@435 | 428 | int offset = java_lang_String::offset(java_string); |
duke@435 | 429 | int length = java_lang_String::length(java_string); |
duke@435 | 430 | if (length != len) { |
duke@435 | 431 | return false; |
duke@435 | 432 | } |
duke@435 | 433 | for (int i = 0; i < len; i++) { |
duke@435 | 434 | if (value->char_at(i + offset) != chars[i]) { |
duke@435 | 435 | return false; |
duke@435 | 436 | } |
duke@435 | 437 | } |
duke@435 | 438 | return true; |
duke@435 | 439 | } |
duke@435 | 440 | |
dcubed@5743 | 441 | bool java_lang_String::equals(oop str1, oop str2) { |
dcubed@5743 | 442 | assert(str1->klass() == SystemDictionary::String_klass(), |
dcubed@5743 | 443 | "must be java String"); |
dcubed@5743 | 444 | assert(str2->klass() == SystemDictionary::String_klass(), |
dcubed@5743 | 445 | "must be java String"); |
dcubed@5743 | 446 | typeArrayOop value1 = java_lang_String::value(str1); |
dcubed@5743 | 447 | int offset1 = java_lang_String::offset(str1); |
dcubed@5743 | 448 | int length1 = java_lang_String::length(str1); |
dcubed@5743 | 449 | typeArrayOop value2 = java_lang_String::value(str2); |
dcubed@5743 | 450 | int offset2 = java_lang_String::offset(str2); |
dcubed@5743 | 451 | int length2 = java_lang_String::length(str2); |
dcubed@5743 | 452 | |
dcubed@5743 | 453 | if (length1 != length2) { |
dcubed@5743 | 454 | return false; |
dcubed@5743 | 455 | } |
dcubed@5743 | 456 | for (int i = 0; i < length1; i++) { |
dcubed@5743 | 457 | if (value1->char_at(i + offset1) != value2->char_at(i + offset2)) { |
dcubed@5743 | 458 | return false; |
dcubed@5743 | 459 | } |
dcubed@5743 | 460 | } |
dcubed@5743 | 461 | return true; |
dcubed@5743 | 462 | } |
dcubed@5743 | 463 | |
duke@435 | 464 | void java_lang_String::print(Handle java_string, outputStream* st) { |
duke@435 | 465 | oop obj = java_string(); |
never@1577 | 466 | assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string"); |
duke@435 | 467 | typeArrayOop value = java_lang_String::value(obj); |
duke@435 | 468 | int offset = java_lang_String::offset(obj); |
duke@435 | 469 | int length = java_lang_String::length(obj); |
duke@435 | 470 | |
duke@435 | 471 | int end = MIN2(length, 100); |
duke@435 | 472 | if (value == NULL) { |
duke@435 | 473 | // This can happen if, e.g., printing a String |
duke@435 | 474 | // object before its initializer has been called |
duke@435 | 475 | st->print_cr("NULL"); |
duke@435 | 476 | } else { |
duke@435 | 477 | st->print("\""); |
duke@435 | 478 | for (int index = 0; index < length; index++) { |
duke@435 | 479 | st->print("%c", value->char_at(index + offset)); |
duke@435 | 480 | } |
duke@435 | 481 | st->print("\""); |
duke@435 | 482 | } |
duke@435 | 483 | } |
duke@435 | 484 | |
never@2658 | 485 | static void initialize_static_field(fieldDescriptor* fd, TRAPS) { |
never@2658 | 486 | Handle mirror (THREAD, fd->field_holder()->java_mirror()); |
never@2658 | 487 | assert(mirror.not_null() && fd->is_static(), "just checking"); |
never@2658 | 488 | if (fd->has_initial_value()) { |
never@2658 | 489 | BasicType t = fd->field_type(); |
never@2658 | 490 | switch (t) { |
never@2658 | 491 | case T_BYTE: |
never@2658 | 492 | mirror()->byte_field_put(fd->offset(), fd->int_initial_value()); |
never@2658 | 493 | break; |
never@2658 | 494 | case T_BOOLEAN: |
never@2658 | 495 | mirror()->bool_field_put(fd->offset(), fd->int_initial_value()); |
never@2658 | 496 | break; |
never@2658 | 497 | case T_CHAR: |
never@2658 | 498 | mirror()->char_field_put(fd->offset(), fd->int_initial_value()); |
never@2658 | 499 | break; |
never@2658 | 500 | case T_SHORT: |
never@2658 | 501 | mirror()->short_field_put(fd->offset(), fd->int_initial_value()); |
never@2658 | 502 | break; |
never@2658 | 503 | case T_INT: |
never@2658 | 504 | mirror()->int_field_put(fd->offset(), fd->int_initial_value()); |
never@2658 | 505 | break; |
never@2658 | 506 | case T_FLOAT: |
never@2658 | 507 | mirror()->float_field_put(fd->offset(), fd->float_initial_value()); |
never@2658 | 508 | break; |
never@2658 | 509 | case T_DOUBLE: |
never@2658 | 510 | mirror()->double_field_put(fd->offset(), fd->double_initial_value()); |
never@2658 | 511 | break; |
never@2658 | 512 | case T_LONG: |
never@2658 | 513 | mirror()->long_field_put(fd->offset(), fd->long_initial_value()); |
never@2658 | 514 | break; |
never@2658 | 515 | case T_OBJECT: |
never@2658 | 516 | { |
never@2658 | 517 | #ifdef ASSERT |
never@2658 | 518 | TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK); |
never@2658 | 519 | assert(fd->signature() == sym, "just checking"); |
never@2658 | 520 | #endif |
never@2658 | 521 | oop string = fd->string_initial_value(CHECK); |
never@2658 | 522 | mirror()->obj_field_put(fd->offset(), string); |
never@2658 | 523 | } |
never@2658 | 524 | break; |
never@2658 | 525 | default: |
never@2658 | 526 | THROW_MSG(vmSymbols::java_lang_ClassFormatError(), |
never@2658 | 527 | "Illegal ConstantValue attribute in class file"); |
never@2658 | 528 | } |
never@2658 | 529 | } |
never@2658 | 530 | } |
never@2658 | 531 | |
never@2658 | 532 | |
never@2658 | 533 | void java_lang_Class::fixup_mirror(KlassHandle k, TRAPS) { |
coleenp@4047 | 534 | assert(InstanceMirrorKlass::offset_of_static_fields() != 0, "must have been computed already"); |
never@2658 | 535 | |
coleenp@4037 | 536 | // If the offset was read from the shared archive, it was fixed up already |
coleenp@4037 | 537 | if (!k->is_shared()) { |
coleenp@5176 | 538 | if (k->oop_is_instance()) { |
coleenp@5176 | 539 | // During bootstrap, java.lang.Class wasn't loaded so static field |
coleenp@5176 | 540 | // offsets were computed without the size added it. Go back and |
coleenp@5176 | 541 | // update all the static field offsets to included the size. |
coleenp@5176 | 542 | for (JavaFieldStream fs(InstanceKlass::cast(k())); !fs.done(); fs.next()) { |
coleenp@5176 | 543 | if (fs.access_flags().is_static()) { |
coleenp@5176 | 544 | int real_offset = fs.offset() + InstanceMirrorKlass::offset_of_static_fields(); |
coleenp@5176 | 545 | fs.set_offset(real_offset); |
coleenp@5176 | 546 | } |
never@3137 | 547 | } |
never@3137 | 548 | } |
never@2658 | 549 | } |
coleenp@5176 | 550 | create_mirror(k, Handle(NULL), CHECK); |
never@2658 | 551 | } |
duke@435 | 552 | |
coleenp@5176 | 553 | oop java_lang_Class::create_mirror(KlassHandle k, Handle protection_domain, TRAPS) { |
duke@435 | 554 | assert(k->java_mirror() == NULL, "should only assign mirror once"); |
duke@435 | 555 | // Use this moment of initialization to cache modifier_flags also, |
duke@435 | 556 | // to support Class.getModifiers(). Instance classes recalculate |
duke@435 | 557 | // the cached flags after the class file is parsed, but before the |
duke@435 | 558 | // class is put into the system dictionary. |
duke@435 | 559 | int computed_modifiers = k->compute_modifier_flags(CHECK_0); |
duke@435 | 560 | k->set_modifier_flags(computed_modifiers); |
coleenp@4037 | 561 | // Class_klass has to be loaded because it is used to allocate |
coleenp@4037 | 562 | // the mirror. |
coleenp@4037 | 563 | if (SystemDictionary::Class_klass_loaded()) { |
duke@435 | 564 | // Allocate mirror (java.lang.Class instance) |
coleenp@4047 | 565 | Handle mirror = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(k, CHECK_0); |
coleenp@4047 | 566 | |
coleenp@4047 | 567 | InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass()); |
never@2658 | 568 | java_lang_Class::set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror())); |
never@2658 | 569 | |
duke@435 | 570 | // It might also have a component mirror. This mirror must already exist. |
coleenp@4037 | 571 | if (k->oop_is_array()) { |
duke@435 | 572 | Handle comp_mirror; |
duke@435 | 573 | if (k->oop_is_typeArray()) { |
coleenp@4142 | 574 | BasicType type = TypeArrayKlass::cast(k())->element_type(); |
duke@435 | 575 | comp_mirror = Universe::java_mirror(type); |
coleenp@4037 | 576 | } else { |
coleenp@4037 | 577 | assert(k->oop_is_objArray(), "Must be"); |
coleenp@4142 | 578 | Klass* element_klass = ObjArrayKlass::cast(k())->element_klass(); |
coleenp@4037 | 579 | assert(element_klass != NULL, "Must have an element klass"); |
hseigel@4278 | 580 | comp_mirror = element_klass->java_mirror(); |
duke@435 | 581 | } |
coleenp@4037 | 582 | assert(comp_mirror.not_null(), "must have a mirror"); |
coleenp@4037 | 583 | |
duke@435 | 584 | // Two-way link between the array klass and its component mirror: |
coleenp@4142 | 585 | ArrayKlass::cast(k())->set_component_mirror(comp_mirror()); |
coleenp@4037 | 586 | set_array_klass(comp_mirror(), k()); |
coleenp@4037 | 587 | } else { |
coleenp@4037 | 588 | assert(k->oop_is_instance(), "Must be"); |
coleenp@5176 | 589 | |
coleenp@5176 | 590 | // Allocate a simple java object for a lock. |
coleenp@5176 | 591 | // This needs to be a java object because during class initialization |
coleenp@5176 | 592 | // it can be held across a java call. |
coleenp@5176 | 593 | typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK_NULL); |
coleenp@5176 | 594 | set_init_lock(mirror(), r); |
coleenp@5176 | 595 | |
coleenp@5176 | 596 | // Set protection domain also |
coleenp@5176 | 597 | set_protection_domain(mirror(), protection_domain()); |
coleenp@5176 | 598 | |
never@2658 | 599 | // Initialize static fields |
coleenp@4037 | 600 | InstanceKlass::cast(k())->do_local_static_fields(&initialize_static_field, CHECK_NULL); |
duke@435 | 601 | } |
duke@435 | 602 | return mirror(); |
duke@435 | 603 | } else { |
coleenp@4037 | 604 | if (fixup_mirror_list() == NULL) { |
coleenp@4037 | 605 | GrowableArray<Klass*>* list = |
coleenp@4037 | 606 | new (ResourceObj::C_HEAP, mtClass) GrowableArray<Klass*>(40, true); |
coleenp@4037 | 607 | set_fixup_mirror_list(list); |
coleenp@4037 | 608 | } |
coleenp@4037 | 609 | fixup_mirror_list()->push(k()); |
duke@435 | 610 | return NULL; |
duke@435 | 611 | } |
duke@435 | 612 | } |
duke@435 | 613 | |
duke@435 | 614 | |
never@2658 | 615 | |
never@2658 | 616 | int java_lang_Class::oop_size(oop java_class) { |
never@3137 | 617 | assert(_oop_size_offset != 0, "must be set"); |
never@3137 | 618 | return java_class->int_field(_oop_size_offset); |
never@2658 | 619 | } |
never@2658 | 620 | void java_lang_Class::set_oop_size(oop java_class, int size) { |
never@3137 | 621 | assert(_oop_size_offset != 0, "must be set"); |
never@3137 | 622 | java_class->int_field_put(_oop_size_offset, size); |
never@2658 | 623 | } |
never@2658 | 624 | int java_lang_Class::static_oop_field_count(oop java_class) { |
never@3137 | 625 | assert(_static_oop_field_count_offset != 0, "must be set"); |
never@3137 | 626 | return java_class->int_field(_static_oop_field_count_offset); |
never@2658 | 627 | } |
never@2658 | 628 | void java_lang_Class::set_static_oop_field_count(oop java_class, int size) { |
never@3137 | 629 | assert(_static_oop_field_count_offset != 0, "must be set"); |
never@3137 | 630 | java_class->int_field_put(_static_oop_field_count_offset, size); |
never@2658 | 631 | } |
never@2658 | 632 | |
coleenp@5176 | 633 | oop java_lang_Class::protection_domain(oop java_class) { |
coleenp@5176 | 634 | assert(_protection_domain_offset != 0, "must be set"); |
coleenp@5176 | 635 | return java_class->obj_field(_protection_domain_offset); |
coleenp@5176 | 636 | } |
coleenp@5176 | 637 | void java_lang_Class::set_protection_domain(oop java_class, oop pd) { |
coleenp@5176 | 638 | assert(_protection_domain_offset != 0, "must be set"); |
coleenp@5176 | 639 | java_class->obj_field_put(_protection_domain_offset, pd); |
coleenp@5176 | 640 | } |
coleenp@5176 | 641 | |
coleenp@5176 | 642 | oop java_lang_Class::init_lock(oop java_class) { |
coleenp@5176 | 643 | assert(_init_lock_offset != 0, "must be set"); |
coleenp@5176 | 644 | return java_class->obj_field(_init_lock_offset); |
coleenp@5176 | 645 | } |
coleenp@5176 | 646 | void java_lang_Class::set_init_lock(oop java_class, oop init_lock) { |
coleenp@5176 | 647 | assert(_init_lock_offset != 0, "must be set"); |
coleenp@5176 | 648 | java_class->obj_field_put(_init_lock_offset, init_lock); |
coleenp@5176 | 649 | } |
coleenp@5176 | 650 | |
coleenp@5176 | 651 | objArrayOop java_lang_Class::signers(oop java_class) { |
coleenp@5176 | 652 | assert(_signers_offset != 0, "must be set"); |
coleenp@5176 | 653 | return (objArrayOop)java_class->obj_field(_signers_offset); |
coleenp@5176 | 654 | } |
coleenp@5176 | 655 | void java_lang_Class::set_signers(oop java_class, objArrayOop signers) { |
coleenp@5176 | 656 | assert(_signers_offset != 0, "must be set"); |
coleenp@5176 | 657 | java_class->obj_field_put(_signers_offset, (oop)signers); |
coleenp@5176 | 658 | } |
coleenp@5176 | 659 | |
coleenp@5176 | 660 | |
duke@435 | 661 | oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) { |
duke@435 | 662 | // This should be improved by adding a field at the Java level or by |
duke@435 | 663 | // introducing a new VM klass (see comment in ClassFileParser) |
coleenp@4047 | 664 | oop java_class = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->allocate_instance(NULL, CHECK_0); |
duke@435 | 665 | if (type != T_VOID) { |
coleenp@4037 | 666 | Klass* aklass = Universe::typeArrayKlassObj(type); |
duke@435 | 667 | assert(aklass != NULL, "correct bootstrap"); |
duke@435 | 668 | set_array_klass(java_class, aklass); |
duke@435 | 669 | } |
never@3205 | 670 | #ifdef ASSERT |
coleenp@4047 | 671 | InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(SystemDictionary::Class_klass()); |
never@3205 | 672 | assert(java_lang_Class::static_oop_field_count(java_class) == 0, "should have been zeroed by allocation"); |
never@3205 | 673 | #endif |
duke@435 | 674 | return java_class; |
duke@435 | 675 | } |
duke@435 | 676 | |
duke@435 | 677 | |
coleenp@4037 | 678 | Klass* java_lang_Class::as_Klass(oop java_class) { |
duke@435 | 679 | //%note memory_2 |
never@2658 | 680 | assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
coleenp@4037 | 681 | Klass* k = ((Klass*)java_class->metadata_field(_klass_offset)); |
duke@435 | 682 | assert(k == NULL || k->is_klass(), "type check"); |
duke@435 | 683 | return k; |
duke@435 | 684 | } |
duke@435 | 685 | |
duke@435 | 686 | |
coleenp@4037 | 687 | void java_lang_Class::set_klass(oop java_class, Klass* klass) { |
never@3205 | 688 | assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
coleenp@4037 | 689 | java_class->metadata_field_put(_klass_offset, klass); |
never@3205 | 690 | } |
never@3205 | 691 | |
never@3205 | 692 | |
jrose@1100 | 693 | void java_lang_Class::print_signature(oop java_class, outputStream* st) { |
jrose@1100 | 694 | assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
coleenp@2497 | 695 | Symbol* name = NULL; |
jrose@1100 | 696 | bool is_instance = false; |
jrose@1100 | 697 | if (is_primitive(java_class)) { |
jrose@1100 | 698 | name = vmSymbols::type_signature(primitive_type(java_class)); |
jrose@1100 | 699 | } else { |
coleenp@4037 | 700 | Klass* k = as_Klass(java_class); |
hseigel@4278 | 701 | is_instance = k->oop_is_instance(); |
hseigel@4278 | 702 | name = k->name(); |
jrose@1100 | 703 | } |
jrose@1100 | 704 | if (name == NULL) { |
jrose@1100 | 705 | st->print("<null>"); |
jrose@1100 | 706 | return; |
jrose@1100 | 707 | } |
jrose@1100 | 708 | if (is_instance) st->print("L"); |
jrose@1100 | 709 | st->write((char*) name->base(), (int) name->utf8_length()); |
jrose@1100 | 710 | if (is_instance) st->print(";"); |
jrose@1100 | 711 | } |
jrose@1100 | 712 | |
coleenp@2497 | 713 | Symbol* java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) { |
jrose@1100 | 714 | assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
coleenp@2497 | 715 | Symbol* name; |
jrose@1100 | 716 | if (is_primitive(java_class)) { |
coleenp@2497 | 717 | name = vmSymbols::type_signature(primitive_type(java_class)); |
coleenp@2497 | 718 | // Because this can create a new symbol, the caller has to decrement |
coleenp@2497 | 719 | // the refcount, so make adjustment here and below for symbols returned |
coleenp@2497 | 720 | // that are not created or incremented due to a successful lookup. |
coleenp@2497 | 721 | name->increment_refcount(); |
jrose@1100 | 722 | } else { |
coleenp@4037 | 723 | Klass* k = as_Klass(java_class); |
hseigel@4278 | 724 | if (!k->oop_is_instance()) { |
hseigel@4278 | 725 | name = k->name(); |
coleenp@2497 | 726 | name->increment_refcount(); |
jrose@1100 | 727 | } else { |
jrose@1100 | 728 | ResourceMark rm; |
hseigel@4278 | 729 | const char* sigstr = k->signature_name(); |
jrose@1100 | 730 | int siglen = (int) strlen(sigstr); |
coleenp@2497 | 731 | if (!intern_if_not_found) { |
coleenp@2497 | 732 | name = SymbolTable::probe(sigstr, siglen); |
coleenp@2497 | 733 | } else { |
coleenp@2497 | 734 | name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
coleenp@2497 | 735 | } |
jrose@1100 | 736 | } |
jrose@1100 | 737 | } |
coleenp@2497 | 738 | return name; |
jrose@1100 | 739 | } |
jrose@1100 | 740 | |
jrose@1100 | 741 | |
coleenp@4037 | 742 | Klass* java_lang_Class::array_klass(oop java_class) { |
coleenp@4037 | 743 | Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
hseigel@4278 | 744 | assert(k == NULL || k->is_klass() && k->oop_is_array(), "should be array klass"); |
duke@435 | 745 | return k; |
duke@435 | 746 | } |
duke@435 | 747 | |
duke@435 | 748 | |
coleenp@4037 | 749 | void java_lang_Class::set_array_klass(oop java_class, Klass* klass) { |
hseigel@4278 | 750 | assert(klass->is_klass() && klass->oop_is_array(), "should be array klass"); |
coleenp@4037 | 751 | java_class->metadata_field_put(_array_klass_offset, klass); |
duke@435 | 752 | } |
duke@435 | 753 | |
duke@435 | 754 | |
duke@435 | 755 | bool java_lang_Class::is_primitive(oop java_class) { |
jrose@1100 | 756 | // should assert: |
jrose@1100 | 757 | //assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
coleenp@4037 | 758 | bool is_primitive = (java_class->metadata_field(_klass_offset) == NULL); |
coleenp@4037 | 759 | |
coleenp@4037 | 760 | #ifdef ASSERT |
coleenp@4037 | 761 | if (is_primitive) { |
coleenp@4037 | 762 | Klass* k = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
coleenp@4142 | 763 | assert(k == NULL || is_java_primitive(ArrayKlass::cast(k)->element_type()), |
coleenp@4037 | 764 | "Should be either the T_VOID primitive or a java primitive"); |
coleenp@4037 | 765 | } |
coleenp@4037 | 766 | #endif |
coleenp@4037 | 767 | |
coleenp@4037 | 768 | return is_primitive; |
duke@435 | 769 | } |
duke@435 | 770 | |
duke@435 | 771 | |
duke@435 | 772 | BasicType java_lang_Class::primitive_type(oop java_class) { |
duke@435 | 773 | assert(java_lang_Class::is_primitive(java_class), "just checking"); |
coleenp@4037 | 774 | Klass* ak = ((Klass*)java_class->metadata_field(_array_klass_offset)); |
duke@435 | 775 | BasicType type = T_VOID; |
duke@435 | 776 | if (ak != NULL) { |
duke@435 | 777 | // Note: create_basic_type_mirror above initializes ak to a non-null value. |
coleenp@4142 | 778 | type = ArrayKlass::cast(ak)->element_type(); |
duke@435 | 779 | } else { |
duke@435 | 780 | assert(java_class == Universe::void_mirror(), "only valid non-array primitive"); |
duke@435 | 781 | } |
duke@435 | 782 | assert(Universe::java_mirror(type) == java_class, "must be consistent"); |
duke@435 | 783 | return type; |
duke@435 | 784 | } |
duke@435 | 785 | |
coleenp@4037 | 786 | BasicType java_lang_Class::as_BasicType(oop java_class, Klass** reference_klass) { |
jrose@1100 | 787 | assert(java_lang_Class::is_instance(java_class), "must be a Class object"); |
jrose@1100 | 788 | if (is_primitive(java_class)) { |
jrose@1100 | 789 | if (reference_klass != NULL) |
jrose@1100 | 790 | (*reference_klass) = NULL; |
jrose@1100 | 791 | return primitive_type(java_class); |
jrose@1100 | 792 | } else { |
jrose@1100 | 793 | if (reference_klass != NULL) |
coleenp@4037 | 794 | (*reference_klass) = as_Klass(java_class); |
jrose@1100 | 795 | return T_OBJECT; |
jrose@1100 | 796 | } |
jrose@1100 | 797 | } |
jrose@1100 | 798 | |
duke@435 | 799 | |
duke@435 | 800 | oop java_lang_Class::primitive_mirror(BasicType t) { |
duke@435 | 801 | oop mirror = Universe::java_mirror(t); |
never@1577 | 802 | assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class"); |
duke@435 | 803 | assert(java_lang_Class::is_primitive(mirror), "must be primitive"); |
duke@435 | 804 | return mirror; |
duke@435 | 805 | } |
duke@435 | 806 | |
duke@435 | 807 | bool java_lang_Class::offsets_computed = false; |
duke@435 | 808 | int java_lang_Class::classRedefinedCount_offset = -1; |
duke@435 | 809 | |
duke@435 | 810 | void java_lang_Class::compute_offsets() { |
duke@435 | 811 | assert(!offsets_computed, "offsets should be initialized only once"); |
duke@435 | 812 | offsets_computed = true; |
duke@435 | 813 | |
coleenp@4037 | 814 | Klass* klass_oop = SystemDictionary::Class_klass(); |
duke@435 | 815 | // The classRedefinedCount field is only present starting in 1.5, |
duke@435 | 816 | // so don't go fatal. |
jrose@567 | 817 | compute_optional_offset(classRedefinedCount_offset, |
never@3137 | 818 | klass_oop, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature()); |
never@3137 | 819 | |
never@3137 | 820 | CLASS_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
duke@435 | 821 | } |
duke@435 | 822 | |
duke@435 | 823 | int java_lang_Class::classRedefinedCount(oop the_class_mirror) { |
duke@435 | 824 | if (!JDK_Version::is_gte_jdk15x_version() |
duke@435 | 825 | || classRedefinedCount_offset == -1) { |
duke@435 | 826 | // The classRedefinedCount field is only present starting in 1.5. |
duke@435 | 827 | // If we don't have an offset for it then just return -1 as a marker. |
duke@435 | 828 | return -1; |
duke@435 | 829 | } |
duke@435 | 830 | |
duke@435 | 831 | return the_class_mirror->int_field(classRedefinedCount_offset); |
duke@435 | 832 | } |
duke@435 | 833 | |
duke@435 | 834 | void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) { |
duke@435 | 835 | if (!JDK_Version::is_gte_jdk15x_version() |
duke@435 | 836 | || classRedefinedCount_offset == -1) { |
duke@435 | 837 | // The classRedefinedCount field is only present starting in 1.5. |
duke@435 | 838 | // If we don't have an offset for it then nothing to set. |
duke@435 | 839 | return; |
duke@435 | 840 | } |
duke@435 | 841 | |
duke@435 | 842 | the_class_mirror->int_field_put(classRedefinedCount_offset, value); |
duke@435 | 843 | } |
duke@435 | 844 | |
duke@435 | 845 | |
duke@435 | 846 | // Note: JDK1.1 and before had a privateInfo_offset field which was used for the |
duke@435 | 847 | // platform thread structure, and a eetop offset which was used for thread |
duke@435 | 848 | // local storage (and unused by the HotSpot VM). In JDK1.2 the two structures |
duke@435 | 849 | // merged, so in the HotSpot VM we just use the eetop field for the thread |
duke@435 | 850 | // instead of the privateInfo_offset. |
duke@435 | 851 | // |
duke@435 | 852 | // Note: The stackSize field is only present starting in 1.4. |
duke@435 | 853 | |
duke@435 | 854 | int java_lang_Thread::_name_offset = 0; |
duke@435 | 855 | int java_lang_Thread::_group_offset = 0; |
duke@435 | 856 | int java_lang_Thread::_contextClassLoader_offset = 0; |
duke@435 | 857 | int java_lang_Thread::_inheritedAccessControlContext_offset = 0; |
duke@435 | 858 | int java_lang_Thread::_priority_offset = 0; |
duke@435 | 859 | int java_lang_Thread::_eetop_offset = 0; |
duke@435 | 860 | int java_lang_Thread::_daemon_offset = 0; |
duke@435 | 861 | int java_lang_Thread::_stillborn_offset = 0; |
duke@435 | 862 | int java_lang_Thread::_stackSize_offset = 0; |
duke@435 | 863 | int java_lang_Thread::_tid_offset = 0; |
duke@435 | 864 | int java_lang_Thread::_thread_status_offset = 0; |
duke@435 | 865 | int java_lang_Thread::_park_blocker_offset = 0; |
duke@435 | 866 | int java_lang_Thread::_park_event_offset = 0 ; |
duke@435 | 867 | |
duke@435 | 868 | |
duke@435 | 869 | void java_lang_Thread::compute_offsets() { |
duke@435 | 870 | assert(_group_offset == 0, "offsets should be initialized only once"); |
duke@435 | 871 | |
coleenp@4037 | 872 | Klass* k = SystemDictionary::Thread_klass(); |
jrose@567 | 873 | compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::char_array_signature()); |
jrose@567 | 874 | compute_offset(_group_offset, k, vmSymbols::group_name(), vmSymbols::threadgroup_signature()); |
jrose@567 | 875 | compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature()); |
jrose@567 | 876 | compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature()); |
jrose@567 | 877 | compute_offset(_priority_offset, k, vmSymbols::priority_name(), vmSymbols::int_signature()); |
jrose@567 | 878 | compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
jrose@567 | 879 | compute_offset(_eetop_offset, k, vmSymbols::eetop_name(), vmSymbols::long_signature()); |
jrose@567 | 880 | compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature()); |
duke@435 | 881 | // The stackSize field is only present starting in 1.4, so don't go fatal. |
jrose@567 | 882 | compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature()); |
duke@435 | 883 | // The tid and thread_status fields are only present starting in 1.5, so don't go fatal. |
jrose@567 | 884 | compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature()); |
jrose@567 | 885 | compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature()); |
duke@435 | 886 | // The parkBlocker field is only present starting in 1.6, so don't go fatal. |
jrose@567 | 887 | compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature()); |
jrose@567 | 888 | compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(), |
duke@435 | 889 | vmSymbols::long_signature()); |
duke@435 | 890 | } |
duke@435 | 891 | |
duke@435 | 892 | |
duke@435 | 893 | JavaThread* java_lang_Thread::thread(oop java_thread) { |
coleenp@548 | 894 | return (JavaThread*)java_thread->address_field(_eetop_offset); |
duke@435 | 895 | } |
duke@435 | 896 | |
duke@435 | 897 | |
duke@435 | 898 | void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) { |
coleenp@548 | 899 | java_thread->address_field_put(_eetop_offset, (address)thread); |
duke@435 | 900 | } |
duke@435 | 901 | |
duke@435 | 902 | |
duke@435 | 903 | typeArrayOop java_lang_Thread::name(oop java_thread) { |
duke@435 | 904 | oop name = java_thread->obj_field(_name_offset); |
coleenp@4142 | 905 | assert(name == NULL || (name->is_typeArray() && TypeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking"); |
duke@435 | 906 | return typeArrayOop(name); |
duke@435 | 907 | } |
duke@435 | 908 | |
duke@435 | 909 | |
duke@435 | 910 | void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) { |
duke@435 | 911 | assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL"); |
duke@435 | 912 | java_thread->obj_field_put(_name_offset, name); |
duke@435 | 913 | } |
duke@435 | 914 | |
duke@435 | 915 | |
duke@435 | 916 | ThreadPriority java_lang_Thread::priority(oop java_thread) { |
duke@435 | 917 | return (ThreadPriority)java_thread->int_field(_priority_offset); |
duke@435 | 918 | } |
duke@435 | 919 | |
duke@435 | 920 | |
duke@435 | 921 | void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) { |
duke@435 | 922 | java_thread->int_field_put(_priority_offset, priority); |
duke@435 | 923 | } |
duke@435 | 924 | |
duke@435 | 925 | |
duke@435 | 926 | oop java_lang_Thread::threadGroup(oop java_thread) { |
duke@435 | 927 | return java_thread->obj_field(_group_offset); |
duke@435 | 928 | } |
duke@435 | 929 | |
duke@435 | 930 | |
duke@435 | 931 | bool java_lang_Thread::is_stillborn(oop java_thread) { |
duke@435 | 932 | return java_thread->bool_field(_stillborn_offset) != 0; |
duke@435 | 933 | } |
duke@435 | 934 | |
duke@435 | 935 | |
duke@435 | 936 | // We never have reason to turn the stillborn bit off |
duke@435 | 937 | void java_lang_Thread::set_stillborn(oop java_thread) { |
duke@435 | 938 | java_thread->bool_field_put(_stillborn_offset, true); |
duke@435 | 939 | } |
duke@435 | 940 | |
duke@435 | 941 | |
duke@435 | 942 | bool java_lang_Thread::is_alive(oop java_thread) { |
duke@435 | 943 | JavaThread* thr = java_lang_Thread::thread(java_thread); |
duke@435 | 944 | return (thr != NULL); |
duke@435 | 945 | } |
duke@435 | 946 | |
duke@435 | 947 | |
duke@435 | 948 | bool java_lang_Thread::is_daemon(oop java_thread) { |
duke@435 | 949 | return java_thread->bool_field(_daemon_offset) != 0; |
duke@435 | 950 | } |
duke@435 | 951 | |
duke@435 | 952 | |
duke@435 | 953 | void java_lang_Thread::set_daemon(oop java_thread) { |
duke@435 | 954 | java_thread->bool_field_put(_daemon_offset, true); |
duke@435 | 955 | } |
duke@435 | 956 | |
duke@435 | 957 | oop java_lang_Thread::context_class_loader(oop java_thread) { |
duke@435 | 958 | return java_thread->obj_field(_contextClassLoader_offset); |
duke@435 | 959 | } |
duke@435 | 960 | |
duke@435 | 961 | oop java_lang_Thread::inherited_access_control_context(oop java_thread) { |
duke@435 | 962 | return java_thread->obj_field(_inheritedAccessControlContext_offset); |
duke@435 | 963 | } |
duke@435 | 964 | |
duke@435 | 965 | |
duke@435 | 966 | jlong java_lang_Thread::stackSize(oop java_thread) { |
duke@435 | 967 | // The stackSize field is only present starting in 1.4 |
duke@435 | 968 | if (_stackSize_offset > 0) { |
duke@435 | 969 | assert(JDK_Version::is_gte_jdk14x_version(), "sanity check"); |
duke@435 | 970 | return java_thread->long_field(_stackSize_offset); |
duke@435 | 971 | } else { |
duke@435 | 972 | return 0; |
duke@435 | 973 | } |
duke@435 | 974 | } |
duke@435 | 975 | |
duke@435 | 976 | // Write the thread status value to threadStatus field in java.lang.Thread java class. |
duke@435 | 977 | void java_lang_Thread::set_thread_status(oop java_thread, |
duke@435 | 978 | java_lang_Thread::ThreadStatus status) { |
duke@435 | 979 | // The threadStatus is only present starting in 1.5 |
duke@435 | 980 | if (_thread_status_offset > 0) { |
duke@435 | 981 | java_thread->int_field_put(_thread_status_offset, status); |
duke@435 | 982 | } |
duke@435 | 983 | } |
duke@435 | 984 | |
duke@435 | 985 | // Read thread status value from threadStatus field in java.lang.Thread java class. |
duke@435 | 986 | java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) { |
sla@5237 | 987 | assert(Thread::current()->is_Watcher_thread() || Thread::current()->is_VM_thread() || |
duke@435 | 988 | JavaThread::current()->thread_state() == _thread_in_vm, |
duke@435 | 989 | "Java Thread is not running in vm"); |
duke@435 | 990 | // The threadStatus is only present starting in 1.5 |
duke@435 | 991 | if (_thread_status_offset > 0) { |
duke@435 | 992 | return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); |
duke@435 | 993 | } else { |
duke@435 | 994 | // All we can easily figure out is if it is alive, but that is |
duke@435 | 995 | // enough info for a valid unknown status. |
duke@435 | 996 | // These aren't restricted to valid set ThreadStatus values, so |
duke@435 | 997 | // use JVMTI values and cast. |
duke@435 | 998 | JavaThread* thr = java_lang_Thread::thread(java_thread); |
duke@435 | 999 | if (thr == NULL) { |
duke@435 | 1000 | // the thread hasn't run yet or is in the process of exiting |
duke@435 | 1001 | return NEW; |
duke@435 | 1002 | } |
duke@435 | 1003 | return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE; |
duke@435 | 1004 | } |
duke@435 | 1005 | } |
duke@435 | 1006 | |
duke@435 | 1007 | |
duke@435 | 1008 | jlong java_lang_Thread::thread_id(oop java_thread) { |
duke@435 | 1009 | // The thread ID field is only present starting in 1.5 |
duke@435 | 1010 | if (_tid_offset > 0) { |
duke@435 | 1011 | return java_thread->long_field(_tid_offset); |
duke@435 | 1012 | } else { |
duke@435 | 1013 | return 0; |
duke@435 | 1014 | } |
duke@435 | 1015 | } |
duke@435 | 1016 | |
duke@435 | 1017 | oop java_lang_Thread::park_blocker(oop java_thread) { |
kamg@677 | 1018 | assert(JDK_Version::current().supports_thread_park_blocker() && |
kamg@677 | 1019 | _park_blocker_offset != 0, "Must support parkBlocker field"); |
duke@435 | 1020 | |
duke@435 | 1021 | if (_park_blocker_offset > 0) { |
duke@435 | 1022 | return java_thread->obj_field(_park_blocker_offset); |
duke@435 | 1023 | } |
duke@435 | 1024 | |
duke@435 | 1025 | return NULL; |
duke@435 | 1026 | } |
duke@435 | 1027 | |
duke@435 | 1028 | jlong java_lang_Thread::park_event(oop java_thread) { |
duke@435 | 1029 | if (_park_event_offset > 0) { |
duke@435 | 1030 | return java_thread->long_field(_park_event_offset); |
duke@435 | 1031 | } |
duke@435 | 1032 | return 0; |
duke@435 | 1033 | } |
duke@435 | 1034 | |
duke@435 | 1035 | bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) { |
duke@435 | 1036 | if (_park_event_offset > 0) { |
duke@435 | 1037 | java_thread->long_field_put(_park_event_offset, ptr); |
duke@435 | 1038 | return true; |
duke@435 | 1039 | } |
duke@435 | 1040 | return false; |
duke@435 | 1041 | } |
duke@435 | 1042 | |
duke@435 | 1043 | |
duke@435 | 1044 | const char* java_lang_Thread::thread_status_name(oop java_thread) { |
duke@435 | 1045 | assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status"); |
duke@435 | 1046 | ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset); |
duke@435 | 1047 | switch (status) { |
duke@435 | 1048 | case NEW : return "NEW"; |
duke@435 | 1049 | case RUNNABLE : return "RUNNABLE"; |
duke@435 | 1050 | case SLEEPING : return "TIMED_WAITING (sleeping)"; |
duke@435 | 1051 | case IN_OBJECT_WAIT : return "WAITING (on object monitor)"; |
duke@435 | 1052 | case IN_OBJECT_WAIT_TIMED : return "TIMED_WAITING (on object monitor)"; |
duke@435 | 1053 | case PARKED : return "WAITING (parking)"; |
duke@435 | 1054 | case PARKED_TIMED : return "TIMED_WAITING (parking)"; |
duke@435 | 1055 | case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)"; |
duke@435 | 1056 | case TERMINATED : return "TERMINATED"; |
duke@435 | 1057 | default : return "UNKNOWN"; |
duke@435 | 1058 | }; |
duke@435 | 1059 | } |
duke@435 | 1060 | int java_lang_ThreadGroup::_parent_offset = 0; |
duke@435 | 1061 | int java_lang_ThreadGroup::_name_offset = 0; |
duke@435 | 1062 | int java_lang_ThreadGroup::_threads_offset = 0; |
duke@435 | 1063 | int java_lang_ThreadGroup::_groups_offset = 0; |
duke@435 | 1064 | int java_lang_ThreadGroup::_maxPriority_offset = 0; |
duke@435 | 1065 | int java_lang_ThreadGroup::_destroyed_offset = 0; |
duke@435 | 1066 | int java_lang_ThreadGroup::_daemon_offset = 0; |
duke@435 | 1067 | int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0; |
duke@435 | 1068 | int java_lang_ThreadGroup::_nthreads_offset = 0; |
duke@435 | 1069 | int java_lang_ThreadGroup::_ngroups_offset = 0; |
duke@435 | 1070 | |
duke@435 | 1071 | oop java_lang_ThreadGroup::parent(oop java_thread_group) { |
duke@435 | 1072 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 1073 | return java_thread_group->obj_field(_parent_offset); |
duke@435 | 1074 | } |
duke@435 | 1075 | |
duke@435 | 1076 | // ("name as oop" accessor is not necessary) |
duke@435 | 1077 | |
duke@435 | 1078 | typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) { |
duke@435 | 1079 | oop name = java_thread_group->obj_field(_name_offset); |
duke@435 | 1080 | // ThreadGroup.name can be null |
duke@435 | 1081 | return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name); |
duke@435 | 1082 | } |
duke@435 | 1083 | |
duke@435 | 1084 | int java_lang_ThreadGroup::nthreads(oop java_thread_group) { |
duke@435 | 1085 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 1086 | return java_thread_group->int_field(_nthreads_offset); |
duke@435 | 1087 | } |
duke@435 | 1088 | |
duke@435 | 1089 | objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) { |
duke@435 | 1090 | oop threads = java_thread_group->obj_field(_threads_offset); |
duke@435 | 1091 | assert(threads != NULL, "threadgroups should have threads"); |
duke@435 | 1092 | assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code |
duke@435 | 1093 | return objArrayOop(threads); |
duke@435 | 1094 | } |
duke@435 | 1095 | |
duke@435 | 1096 | int java_lang_ThreadGroup::ngroups(oop java_thread_group) { |
duke@435 | 1097 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 1098 | return java_thread_group->int_field(_ngroups_offset); |
duke@435 | 1099 | } |
duke@435 | 1100 | |
duke@435 | 1101 | objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) { |
duke@435 | 1102 | oop groups = java_thread_group->obj_field(_groups_offset); |
duke@435 | 1103 | assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code |
duke@435 | 1104 | return objArrayOop(groups); |
duke@435 | 1105 | } |
duke@435 | 1106 | |
duke@435 | 1107 | ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) { |
duke@435 | 1108 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 1109 | return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset); |
duke@435 | 1110 | } |
duke@435 | 1111 | |
duke@435 | 1112 | bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) { |
duke@435 | 1113 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 1114 | return java_thread_group->bool_field(_destroyed_offset) != 0; |
duke@435 | 1115 | } |
duke@435 | 1116 | |
duke@435 | 1117 | bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) { |
duke@435 | 1118 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 1119 | return java_thread_group->bool_field(_daemon_offset) != 0; |
duke@435 | 1120 | } |
duke@435 | 1121 | |
duke@435 | 1122 | bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) { |
duke@435 | 1123 | assert(java_thread_group->is_oop(), "thread group must be oop"); |
duke@435 | 1124 | return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0; |
duke@435 | 1125 | } |
duke@435 | 1126 | |
duke@435 | 1127 | void java_lang_ThreadGroup::compute_offsets() { |
duke@435 | 1128 | assert(_parent_offset == 0, "offsets should be initialized only once"); |
duke@435 | 1129 | |
coleenp@4037 | 1130 | Klass* k = SystemDictionary::ThreadGroup_klass(); |
duke@435 | 1131 | |
jrose@567 | 1132 | compute_offset(_parent_offset, k, vmSymbols::parent_name(), vmSymbols::threadgroup_signature()); |
jrose@567 | 1133 | compute_offset(_name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
jrose@567 | 1134 | compute_offset(_threads_offset, k, vmSymbols::threads_name(), vmSymbols::thread_array_signature()); |
jrose@567 | 1135 | compute_offset(_groups_offset, k, vmSymbols::groups_name(), vmSymbols::threadgroup_array_signature()); |
jrose@567 | 1136 | compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature()); |
jrose@567 | 1137 | compute_offset(_destroyed_offset, k, vmSymbols::destroyed_name(), vmSymbols::bool_signature()); |
jrose@567 | 1138 | compute_offset(_daemon_offset, k, vmSymbols::daemon_name(), vmSymbols::bool_signature()); |
jrose@567 | 1139 | compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature()); |
jrose@567 | 1140 | compute_offset(_nthreads_offset, k, vmSymbols::nthreads_name(), vmSymbols::int_signature()); |
jrose@567 | 1141 | compute_offset(_ngroups_offset, k, vmSymbols::ngroups_name(), vmSymbols::int_signature()); |
duke@435 | 1142 | } |
duke@435 | 1143 | |
dholmes@3018 | 1144 | oop java_lang_Throwable::unassigned_stacktrace() { |
coleenp@4037 | 1145 | InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Throwable_klass()); |
dholmes@3018 | 1146 | address addr = ik->static_field_addr(static_unassigned_stacktrace_offset); |
dholmes@3018 | 1147 | if (UseCompressedOops) { |
dholmes@3018 | 1148 | return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
dholmes@3018 | 1149 | } else { |
dholmes@3018 | 1150 | return oopDesc::load_decode_heap_oop((oop*)addr); |
dholmes@3018 | 1151 | } |
dholmes@3018 | 1152 | } |
dholmes@3018 | 1153 | |
duke@435 | 1154 | oop java_lang_Throwable::backtrace(oop throwable) { |
duke@435 | 1155 | return throwable->obj_field_acquire(backtrace_offset); |
duke@435 | 1156 | } |
duke@435 | 1157 | |
duke@435 | 1158 | |
duke@435 | 1159 | void java_lang_Throwable::set_backtrace(oop throwable, oop value) { |
duke@435 | 1160 | throwable->release_obj_field_put(backtrace_offset, value); |
duke@435 | 1161 | } |
duke@435 | 1162 | |
duke@435 | 1163 | |
duke@435 | 1164 | oop java_lang_Throwable::message(oop throwable) { |
duke@435 | 1165 | return throwable->obj_field(detailMessage_offset); |
duke@435 | 1166 | } |
duke@435 | 1167 | |
duke@435 | 1168 | |
duke@435 | 1169 | oop java_lang_Throwable::message(Handle throwable) { |
duke@435 | 1170 | return throwable->obj_field(detailMessage_offset); |
duke@435 | 1171 | } |
duke@435 | 1172 | |
duke@435 | 1173 | |
duke@435 | 1174 | void java_lang_Throwable::set_message(oop throwable, oop value) { |
duke@435 | 1175 | throwable->obj_field_put(detailMessage_offset, value); |
duke@435 | 1176 | } |
duke@435 | 1177 | |
duke@435 | 1178 | |
dholmes@3018 | 1179 | void java_lang_Throwable::set_stacktrace(oop throwable, oop st_element_array) { |
dholmes@3018 | 1180 | throwable->obj_field_put(stackTrace_offset, st_element_array); |
dholmes@3018 | 1181 | } |
dholmes@3018 | 1182 | |
duke@435 | 1183 | void java_lang_Throwable::clear_stacktrace(oop throwable) { |
duke@435 | 1184 | assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4"); |
dholmes@3018 | 1185 | set_stacktrace(throwable, NULL); |
duke@435 | 1186 | } |
duke@435 | 1187 | |
duke@435 | 1188 | |
duke@435 | 1189 | void java_lang_Throwable::print(oop throwable, outputStream* st) { |
duke@435 | 1190 | ResourceMark rm; |
coleenp@4037 | 1191 | Klass* k = throwable->klass(); |
duke@435 | 1192 | assert(k != NULL, "just checking"); |
coleenp@4037 | 1193 | st->print("%s", InstanceKlass::cast(k)->external_name()); |
duke@435 | 1194 | oop msg = message(throwable); |
duke@435 | 1195 | if (msg != NULL) { |
duke@435 | 1196 | st->print(": %s", java_lang_String::as_utf8_string(msg)); |
duke@435 | 1197 | } |
duke@435 | 1198 | } |
duke@435 | 1199 | |
duke@435 | 1200 | |
duke@435 | 1201 | void java_lang_Throwable::print(Handle throwable, outputStream* st) { |
duke@435 | 1202 | ResourceMark rm; |
coleenp@4037 | 1203 | Klass* k = throwable->klass(); |
duke@435 | 1204 | assert(k != NULL, "just checking"); |
coleenp@4037 | 1205 | st->print("%s", InstanceKlass::cast(k)->external_name()); |
duke@435 | 1206 | oop msg = message(throwable); |
duke@435 | 1207 | if (msg != NULL) { |
duke@435 | 1208 | st->print(": %s", java_lang_String::as_utf8_string(msg)); |
duke@435 | 1209 | } |
duke@435 | 1210 | } |
duke@435 | 1211 | |
coleenp@4466 | 1212 | // After this many redefines, the stack trace is unreliable. |
coleenp@4466 | 1213 | const int MAX_VERSION = USHRT_MAX; |
coleenp@4466 | 1214 | |
coleenp@4466 | 1215 | // Helper backtrace functions to store bci|version together. |
coleenp@4466 | 1216 | static inline int merge_bci_and_version(int bci, int version) { |
coleenp@4466 | 1217 | // only store u2 for version, checking for overflow. |
coleenp@4466 | 1218 | if (version > USHRT_MAX || version < 0) version = MAX_VERSION; |
coleenp@4466 | 1219 | assert((jushort)bci == bci, "bci should be short"); |
coleenp@4466 | 1220 | return build_int_from_shorts(version, bci); |
coleenp@4466 | 1221 | } |
coleenp@4466 | 1222 | |
coleenp@4466 | 1223 | static inline int bci_at(unsigned int merged) { |
coleenp@4466 | 1224 | return extract_high_short_from_int(merged); |
coleenp@4466 | 1225 | } |
coleenp@4466 | 1226 | static inline int version_at(unsigned int merged) { |
coleenp@4466 | 1227 | return extract_low_short_from_int(merged); |
coleenp@4466 | 1228 | } |
coleenp@4466 | 1229 | |
coleenp@4466 | 1230 | static inline bool version_matches(Method* method, int version) { |
coleenp@4466 | 1231 | return (method->constants()->version() == version && version < MAX_VERSION); |
coleenp@4466 | 1232 | } |
coleenp@4466 | 1233 | |
coleenp@4466 | 1234 | static inline int get_line_number(Method* method, int bci) { |
coleenp@4466 | 1235 | int line_number = 0; |
coleenp@4466 | 1236 | if (method->is_native()) { |
coleenp@4466 | 1237 | // Negative value different from -1 below, enabling Java code in |
coleenp@4466 | 1238 | // class java.lang.StackTraceElement to distinguish "native" from |
coleenp@4466 | 1239 | // "no LineNumberTable". JDK tests for -2. |
coleenp@4466 | 1240 | line_number = -2; |
duke@435 | 1241 | } else { |
coleenp@4466 | 1242 | // Returns -1 if no LineNumberTable, and otherwise actual line number |
coleenp@4466 | 1243 | line_number = method->line_number_from_bci(bci); |
coleenp@4466 | 1244 | if (line_number == -1 && ShowHiddenFrames) { |
coleenp@4466 | 1245 | line_number = bci + 1000000; |
duke@435 | 1246 | } |
duke@435 | 1247 | } |
coleenp@4466 | 1248 | return line_number; |
duke@435 | 1249 | } |
duke@435 | 1250 | |
duke@435 | 1251 | // This class provides a simple wrapper over the internal structure of |
duke@435 | 1252 | // exception backtrace to insulate users of the backtrace from needing |
duke@435 | 1253 | // to know what it looks like. |
duke@435 | 1254 | class BacktraceBuilder: public StackObj { |
duke@435 | 1255 | private: |
duke@435 | 1256 | Handle _backtrace; |
duke@435 | 1257 | objArrayOop _head; |
coleenp@4037 | 1258 | typeArrayOop _methods; |
duke@435 | 1259 | typeArrayOop _bcis; |
coleenp@4037 | 1260 | objArrayOop _mirrors; |
duke@435 | 1261 | int _index; |
duke@435 | 1262 | No_Safepoint_Verifier _nsv; |
duke@435 | 1263 | |
duke@435 | 1264 | public: |
duke@435 | 1265 | |
duke@435 | 1266 | enum { |
duke@435 | 1267 | trace_methods_offset = java_lang_Throwable::trace_methods_offset, |
coleenp@4466 | 1268 | trace_bcis_offset = java_lang_Throwable::trace_bcis_offset, |
coleenp@4037 | 1269 | trace_mirrors_offset = java_lang_Throwable::trace_mirrors_offset, |
duke@435 | 1270 | trace_next_offset = java_lang_Throwable::trace_next_offset, |
duke@435 | 1271 | trace_size = java_lang_Throwable::trace_size, |
duke@435 | 1272 | trace_chunk_size = java_lang_Throwable::trace_chunk_size |
duke@435 | 1273 | }; |
duke@435 | 1274 | |
coleenp@4466 | 1275 | // get info out of chunks |
coleenp@4466 | 1276 | static typeArrayOop get_methods(objArrayHandle chunk) { |
coleenp@4466 | 1277 | typeArrayOop methods = typeArrayOop(chunk->obj_at(trace_methods_offset)); |
coleenp@4466 | 1278 | assert(methods != NULL, "method array should be initialized in backtrace"); |
coleenp@4466 | 1279 | return methods; |
coleenp@4466 | 1280 | } |
coleenp@4466 | 1281 | static typeArrayOop get_bcis(objArrayHandle chunk) { |
coleenp@4466 | 1282 | typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset)); |
coleenp@4466 | 1283 | assert(bcis != NULL, "bci array should be initialized in backtrace"); |
coleenp@4466 | 1284 | return bcis; |
coleenp@4466 | 1285 | } |
coleenp@4466 | 1286 | static objArrayOop get_mirrors(objArrayHandle chunk) { |
coleenp@4466 | 1287 | objArrayOop mirrors = objArrayOop(chunk->obj_at(trace_mirrors_offset)); |
coleenp@4466 | 1288 | assert(mirrors != NULL, "mirror array should be initialized in backtrace"); |
coleenp@4466 | 1289 | return mirrors; |
coleenp@4466 | 1290 | } |
coleenp@4466 | 1291 | |
duke@435 | 1292 | // constructor for new backtrace |
coleenp@4037 | 1293 | BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _mirrors(NULL) { |
duke@435 | 1294 | expand(CHECK); |
duke@435 | 1295 | _backtrace = _head; |
duke@435 | 1296 | _index = 0; |
duke@435 | 1297 | } |
duke@435 | 1298 | |
coleenp@4466 | 1299 | BacktraceBuilder(objArrayHandle backtrace) { |
coleenp@4466 | 1300 | _methods = get_methods(backtrace); |
coleenp@4466 | 1301 | _bcis = get_bcis(backtrace); |
coleenp@4466 | 1302 | _mirrors = get_mirrors(backtrace); |
coleenp@4466 | 1303 | assert(_methods->length() == _bcis->length() && |
coleenp@4466 | 1304 | _methods->length() == _mirrors->length(), |
coleenp@4466 | 1305 | "method and source information arrays should match"); |
coleenp@4466 | 1306 | |
coleenp@4466 | 1307 | // head is the preallocated backtrace |
coleenp@4466 | 1308 | _backtrace = _head = backtrace(); |
coleenp@4466 | 1309 | _index = 0; |
coleenp@4466 | 1310 | } |
coleenp@4466 | 1311 | |
duke@435 | 1312 | void expand(TRAPS) { |
duke@435 | 1313 | objArrayHandle old_head(THREAD, _head); |
duke@435 | 1314 | Pause_No_Safepoint_Verifier pnsv(&_nsv); |
duke@435 | 1315 | |
duke@435 | 1316 | objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK); |
duke@435 | 1317 | objArrayHandle new_head(THREAD, head); |
duke@435 | 1318 | |
coleenp@4466 | 1319 | typeArrayOop methods = oopFactory::new_shortArray(trace_chunk_size, CHECK); |
coleenp@4037 | 1320 | typeArrayHandle new_methods(THREAD, methods); |
duke@435 | 1321 | |
coleenp@4466 | 1322 | typeArrayOop bcis = oopFactory::new_intArray(trace_chunk_size, CHECK); |
duke@435 | 1323 | typeArrayHandle new_bcis(THREAD, bcis); |
duke@435 | 1324 | |
coleenp@4037 | 1325 | objArrayOop mirrors = oopFactory::new_objectArray(trace_chunk_size, CHECK); |
coleenp@4037 | 1326 | objArrayHandle new_mirrors(THREAD, mirrors); |
coleenp@4037 | 1327 | |
duke@435 | 1328 | if (!old_head.is_null()) { |
duke@435 | 1329 | old_head->obj_at_put(trace_next_offset, new_head()); |
duke@435 | 1330 | } |
duke@435 | 1331 | new_head->obj_at_put(trace_methods_offset, new_methods()); |
duke@435 | 1332 | new_head->obj_at_put(trace_bcis_offset, new_bcis()); |
coleenp@4037 | 1333 | new_head->obj_at_put(trace_mirrors_offset, new_mirrors()); |
duke@435 | 1334 | |
duke@435 | 1335 | _head = new_head(); |
duke@435 | 1336 | _methods = new_methods(); |
coleenp@4466 | 1337 | _bcis = new_bcis(); |
coleenp@4037 | 1338 | _mirrors = new_mirrors(); |
duke@435 | 1339 | _index = 0; |
duke@435 | 1340 | } |
duke@435 | 1341 | |
duke@435 | 1342 | oop backtrace() { |
duke@435 | 1343 | return _backtrace(); |
duke@435 | 1344 | } |
duke@435 | 1345 | |
coleenp@4037 | 1346 | inline void push(Method* method, int bci, TRAPS) { |
never@3444 | 1347 | // Smear the -1 bci to 0 since the array only holds unsigned |
never@3444 | 1348 | // shorts. The later line number lookup would just smear the -1 |
never@3444 | 1349 | // to a 0 even if it could be recorded. |
never@3444 | 1350 | if (bci == SynchronizationEntryBCI) bci = 0; |
never@3444 | 1351 | |
duke@435 | 1352 | if (_index >= trace_chunk_size) { |
duke@435 | 1353 | methodHandle mhandle(THREAD, method); |
duke@435 | 1354 | expand(CHECK); |
duke@435 | 1355 | method = mhandle(); |
duke@435 | 1356 | } |
duke@435 | 1357 | |
coleenp@4466 | 1358 | _methods->short_at_put(_index, method->method_idnum()); |
coleenp@4466 | 1359 | _bcis->int_at_put(_index, merge_bci_and_version(bci, method->constants()->version())); |
coleenp@4466 | 1360 | |
coleenp@4466 | 1361 | // We need to save the mirrors in the backtrace to keep the class |
coleenp@4466 | 1362 | // from being unloaded while we still have this stack trace. |
coleenp@4466 | 1363 | assert(method->method_holder()->java_mirror() != NULL, "never push null for mirror"); |
coleenp@4037 | 1364 | _mirrors->obj_at_put(_index, method->method_holder()->java_mirror()); |
duke@435 | 1365 | _index++; |
duke@435 | 1366 | } |
duke@435 | 1367 | |
coleenp@4466 | 1368 | }; |
coleenp@4466 | 1369 | |
coleenp@4466 | 1370 | // Print stack trace element to resource allocated buffer |
coleenp@4466 | 1371 | char* java_lang_Throwable::print_stack_element_to_buffer(Handle mirror, |
coleenp@4466 | 1372 | int method_id, int version, int bci) { |
coleenp@4466 | 1373 | |
coleenp@4466 | 1374 | // Get strings and string lengths |
coleenp@4466 | 1375 | InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror())); |
coleenp@4466 | 1376 | const char* klass_name = holder->external_name(); |
coleenp@4466 | 1377 | int buf_len = (int)strlen(klass_name); |
coleenp@4466 | 1378 | |
coleenp@5835 | 1379 | // The method id may point to an obsolete method, can't get more stack information |
coleenp@4466 | 1380 | Method* method = holder->method_with_idnum(method_id); |
coleenp@5835 | 1381 | if (method == NULL) { |
coleenp@5835 | 1382 | char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); |
coleenp@5835 | 1383 | // This is what the java code prints in this case - added Redefined |
coleenp@5835 | 1384 | sprintf(buf, "\tat %s.null (Redefined)", klass_name); |
coleenp@5835 | 1385 | return buf; |
coleenp@5835 | 1386 | } |
coleenp@5835 | 1387 | |
coleenp@4466 | 1388 | char* method_name = method->name()->as_C_string(); |
coleenp@4466 | 1389 | buf_len += (int)strlen(method_name); |
coleenp@4466 | 1390 | |
coleenp@4466 | 1391 | char* source_file_name = NULL; |
coleenp@4466 | 1392 | if (version_matches(method, version)) { |
coleenp@4466 | 1393 | Symbol* source = holder->source_file_name(); |
coleenp@4466 | 1394 | if (source != NULL) { |
coleenp@4466 | 1395 | source_file_name = source->as_C_string(); |
coleenp@4466 | 1396 | buf_len += (int)strlen(source_file_name); |
coleenp@4466 | 1397 | } |
duke@435 | 1398 | } |
duke@435 | 1399 | |
coleenp@4466 | 1400 | // Allocate temporary buffer with extra space for formatting and line number |
coleenp@4466 | 1401 | char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64); |
coleenp@4466 | 1402 | |
coleenp@4466 | 1403 | // Print stack trace line in buffer |
coleenp@4466 | 1404 | sprintf(buf, "\tat %s.%s", klass_name, method_name); |
coleenp@4466 | 1405 | |
coleenp@4466 | 1406 | if (!version_matches(method, version)) { |
coleenp@4466 | 1407 | strcat(buf, "(Redefined)"); |
coleenp@4466 | 1408 | } else { |
coleenp@4466 | 1409 | int line_number = get_line_number(method, bci); |
coleenp@4466 | 1410 | if (line_number == -2) { |
coleenp@4466 | 1411 | strcat(buf, "(Native Method)"); |
coleenp@4466 | 1412 | } else { |
coleenp@4466 | 1413 | if (source_file_name != NULL && (line_number != -1)) { |
coleenp@4466 | 1414 | // Sourcename and linenumber |
coleenp@4466 | 1415 | sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number); |
coleenp@4466 | 1416 | } else if (source_file_name != NULL) { |
coleenp@4466 | 1417 | // Just sourcename |
coleenp@4466 | 1418 | sprintf(buf + (int)strlen(buf), "(%s)", source_file_name); |
coleenp@4466 | 1419 | } else { |
coleenp@4466 | 1420 | // Neither sourcename nor linenumber |
coleenp@4466 | 1421 | sprintf(buf + (int)strlen(buf), "(Unknown Source)"); |
coleenp@4466 | 1422 | } |
coleenp@4466 | 1423 | nmethod* nm = method->code(); |
coleenp@4466 | 1424 | if (WizardMode && nm != NULL) { |
coleenp@4466 | 1425 | sprintf(buf + (int)strlen(buf), "(nmethod " INTPTR_FORMAT ")", (intptr_t)nm); |
coleenp@4466 | 1426 | } |
coleenp@4466 | 1427 | } |
duke@435 | 1428 | } |
coleenp@4466 | 1429 | |
coleenp@4466 | 1430 | return buf; |
coleenp@4466 | 1431 | } |
coleenp@4466 | 1432 | |
coleenp@4466 | 1433 | void java_lang_Throwable::print_stack_element(outputStream *st, Handle mirror, |
coleenp@4466 | 1434 | int method_id, int version, int bci) { |
coleenp@4466 | 1435 | ResourceMark rm; |
coleenp@4466 | 1436 | char* buf = print_stack_element_to_buffer(mirror, method_id, version, bci); |
coleenp@4466 | 1437 | st->print_cr("%s", buf); |
coleenp@4466 | 1438 | } |
coleenp@4466 | 1439 | |
coleenp@4466 | 1440 | void java_lang_Throwable::print_stack_element(outputStream *st, methodHandle method, int bci) { |
coleenp@4466 | 1441 | Handle mirror = method->method_holder()->java_mirror(); |
coleenp@4466 | 1442 | int method_id = method->method_idnum(); |
coleenp@4466 | 1443 | int version = method->constants()->version(); |
coleenp@4466 | 1444 | print_stack_element(st, mirror, method_id, version, bci); |
coleenp@4466 | 1445 | } |
coleenp@4466 | 1446 | |
coleenp@4466 | 1447 | const char* java_lang_Throwable::no_stack_trace_message() { |
coleenp@4466 | 1448 | return "\t<<no stack trace available>>"; |
coleenp@4466 | 1449 | } |
coleenp@4466 | 1450 | |
coleenp@4466 | 1451 | |
coleenp@4466 | 1452 | // Currently used only for exceptions occurring during startup |
coleenp@4466 | 1453 | void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) { |
coleenp@4466 | 1454 | Thread *THREAD = Thread::current(); |
coleenp@4466 | 1455 | Handle h_throwable(THREAD, throwable); |
coleenp@4466 | 1456 | while (h_throwable.not_null()) { |
coleenp@4466 | 1457 | objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable()))); |
coleenp@4466 | 1458 | if (result.is_null()) { |
coleenp@4466 | 1459 | st->print_cr(no_stack_trace_message()); |
coleenp@4466 | 1460 | return; |
coleenp@4466 | 1461 | } |
coleenp@4466 | 1462 | |
coleenp@4466 | 1463 | while (result.not_null()) { |
coleenp@4466 | 1464 | |
coleenp@4466 | 1465 | // Get method id, bci, version and mirror from chunk |
coleenp@4466 | 1466 | typeArrayHandle methods (THREAD, BacktraceBuilder::get_methods(result)); |
coleenp@4466 | 1467 | typeArrayHandle bcis (THREAD, BacktraceBuilder::get_bcis(result)); |
coleenp@4466 | 1468 | objArrayHandle mirrors (THREAD, BacktraceBuilder::get_mirrors(result)); |
coleenp@4466 | 1469 | |
coleenp@4466 | 1470 | int length = methods()->length(); |
coleenp@4466 | 1471 | for (int index = 0; index < length; index++) { |
coleenp@4466 | 1472 | Handle mirror(THREAD, mirrors->obj_at(index)); |
coleenp@4466 | 1473 | // NULL mirror means end of stack trace |
coleenp@4466 | 1474 | if (mirror.is_null()) goto handle_cause; |
coleenp@4466 | 1475 | int method = methods->short_at(index); |
coleenp@4466 | 1476 | int version = version_at(bcis->int_at(index)); |
coleenp@4466 | 1477 | int bci = bci_at(bcis->int_at(index)); |
coleenp@4466 | 1478 | print_stack_element(st, mirror, method, version, bci); |
coleenp@4466 | 1479 | } |
coleenp@4466 | 1480 | result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset))); |
coleenp@4466 | 1481 | } |
coleenp@4466 | 1482 | handle_cause: |
coleenp@4466 | 1483 | { |
coleenp@4466 | 1484 | EXCEPTION_MARK; |
coleenp@4466 | 1485 | JavaValue cause(T_OBJECT); |
coleenp@4466 | 1486 | JavaCalls::call_virtual(&cause, |
coleenp@4466 | 1487 | h_throwable, |
coleenp@4466 | 1488 | KlassHandle(THREAD, h_throwable->klass()), |
coleenp@4466 | 1489 | vmSymbols::getCause_name(), |
coleenp@4466 | 1490 | vmSymbols::void_throwable_signature(), |
coleenp@4466 | 1491 | THREAD); |
coleenp@4466 | 1492 | // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM. |
coleenp@4466 | 1493 | if (HAS_PENDING_EXCEPTION) { |
coleenp@4466 | 1494 | CLEAR_PENDING_EXCEPTION; |
coleenp@4466 | 1495 | h_throwable = Handle(); |
coleenp@4466 | 1496 | } else { |
coleenp@4466 | 1497 | h_throwable = Handle(THREAD, (oop) cause.get_jobject()); |
coleenp@4466 | 1498 | if (h_throwable.not_null()) { |
coleenp@4466 | 1499 | st->print("Caused by: "); |
coleenp@4466 | 1500 | print(h_throwable, st); |
coleenp@4466 | 1501 | st->cr(); |
coleenp@4466 | 1502 | } |
coleenp@4466 | 1503 | } |
coleenp@4466 | 1504 | } |
coleenp@4466 | 1505 | } |
coleenp@4466 | 1506 | } |
duke@435 | 1507 | |
coleenp@2804 | 1508 | void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) { |
duke@435 | 1509 | if (!StackTraceInThrowable) return; |
duke@435 | 1510 | ResourceMark rm(THREAD); |
duke@435 | 1511 | |
duke@435 | 1512 | // Start out by clearing the backtrace for this object, in case the VM |
duke@435 | 1513 | // runs out of memory while allocating the stack trace |
duke@435 | 1514 | set_backtrace(throwable(), NULL); |
duke@435 | 1515 | if (JDK_Version::is_gte_jdk14x_version()) { |
duke@435 | 1516 | // New since 1.4, clear lazily constructed Java level stacktrace if |
duke@435 | 1517 | // refilling occurs |
dholmes@3018 | 1518 | // This is unnecessary in 1.7+ but harmless |
duke@435 | 1519 | clear_stacktrace(throwable()); |
duke@435 | 1520 | } |
duke@435 | 1521 | |
duke@435 | 1522 | int max_depth = MaxJavaStackTraceDepth; |
duke@435 | 1523 | JavaThread* thread = (JavaThread*)THREAD; |
duke@435 | 1524 | BacktraceBuilder bt(CHECK); |
duke@435 | 1525 | |
coleenp@2804 | 1526 | // If there is no Java frame just return the method that was being called |
coleenp@2804 | 1527 | // with bci 0 |
coleenp@2804 | 1528 | if (!thread->has_last_Java_frame()) { |
coleenp@2804 | 1529 | if (max_depth >= 1 && method() != NULL) { |
coleenp@2804 | 1530 | bt.push(method(), 0, CHECK); |
coleenp@2804 | 1531 | set_backtrace(throwable(), bt.backtrace()); |
coleenp@2804 | 1532 | } |
coleenp@2804 | 1533 | return; |
coleenp@2804 | 1534 | } |
coleenp@2804 | 1535 | |
duke@435 | 1536 | // Instead of using vframe directly, this version of fill_in_stack_trace |
duke@435 | 1537 | // basically handles everything by hand. This significantly improved the |
duke@435 | 1538 | // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows. |
duke@435 | 1539 | // See bug 6333838 for more details. |
duke@435 | 1540 | // The "ASSERT" here is to verify this method generates the exactly same stack |
duke@435 | 1541 | // trace as utilizing vframe. |
duke@435 | 1542 | #ifdef ASSERT |
duke@435 | 1543 | vframeStream st(thread); |
duke@435 | 1544 | methodHandle st_method(THREAD, st.method()); |
duke@435 | 1545 | #endif |
duke@435 | 1546 | int total_count = 0; |
duke@435 | 1547 | RegisterMap map(thread, false); |
duke@435 | 1548 | int decode_offset = 0; |
duke@435 | 1549 | nmethod* nm = NULL; |
duke@435 | 1550 | bool skip_fillInStackTrace_check = false; |
duke@435 | 1551 | bool skip_throwableInit_check = false; |
twisti@3970 | 1552 | bool skip_hidden = !ShowHiddenFrames; |
duke@435 | 1553 | |
duke@435 | 1554 | for (frame fr = thread->last_frame(); max_depth != total_count;) { |
coleenp@4037 | 1555 | Method* method = NULL; |
duke@435 | 1556 | int bci = 0; |
duke@435 | 1557 | |
duke@435 | 1558 | // Compiled java method case. |
duke@435 | 1559 | if (decode_offset != 0) { |
duke@435 | 1560 | DebugInfoReadStream stream(nm, decode_offset); |
duke@435 | 1561 | decode_offset = stream.read_int(); |
coleenp@4037 | 1562 | method = (Method*)nm->metadata_at(stream.read_int()); |
cfang@1366 | 1563 | bci = stream.read_bci(); |
duke@435 | 1564 | } else { |
duke@435 | 1565 | if (fr.is_first_frame()) break; |
duke@435 | 1566 | address pc = fr.pc(); |
duke@435 | 1567 | if (fr.is_interpreted_frame()) { |
duke@435 | 1568 | intptr_t bcx = fr.interpreter_frame_bcx(); |
duke@435 | 1569 | method = fr.interpreter_frame_method(); |
duke@435 | 1570 | bci = fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx); |
duke@435 | 1571 | fr = fr.sender(&map); |
duke@435 | 1572 | } else { |
duke@435 | 1573 | CodeBlob* cb = fr.cb(); |
duke@435 | 1574 | // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL |
duke@435 | 1575 | // but non nmethod |
duke@435 | 1576 | fr = fr.sender(&map); |
duke@435 | 1577 | if (cb == NULL || !cb->is_nmethod()) { |
duke@435 | 1578 | continue; |
duke@435 | 1579 | } |
duke@435 | 1580 | nm = (nmethod*)cb; |
duke@435 | 1581 | if (nm->method()->is_native()) { |
duke@435 | 1582 | method = nm->method(); |
duke@435 | 1583 | bci = 0; |
duke@435 | 1584 | } else { |
duke@435 | 1585 | PcDesc* pd = nm->pc_desc_at(pc); |
duke@435 | 1586 | decode_offset = pd->scope_decode_offset(); |
duke@435 | 1587 | // if decode_offset is not equal to 0, it will execute the |
duke@435 | 1588 | // "compiled java method case" at the beginning of the loop. |
duke@435 | 1589 | continue; |
duke@435 | 1590 | } |
duke@435 | 1591 | } |
duke@435 | 1592 | } |
duke@435 | 1593 | #ifdef ASSERT |
dholmes@2758 | 1594 | assert(st_method() == method && st.bci() == bci, |
dholmes@2758 | 1595 | "Wrong stack trace"); |
dholmes@2758 | 1596 | st.next(); |
dholmes@2758 | 1597 | // vframeStream::method isn't GC-safe so store off a copy |
coleenp@4037 | 1598 | // of the Method* in case we GC. |
dholmes@2758 | 1599 | if (!st.at_end()) { |
dholmes@2758 | 1600 | st_method = st.method(); |
dholmes@2758 | 1601 | } |
duke@435 | 1602 | #endif |
dholmes@2758 | 1603 | |
dholmes@2758 | 1604 | // the format of the stacktrace will be: |
dholmes@2758 | 1605 | // - 1 or more fillInStackTrace frames for the exception class (skipped) |
dholmes@2758 | 1606 | // - 0 or more <init> methods for the exception class (skipped) |
dholmes@2758 | 1607 | // - rest of the stack |
dholmes@2758 | 1608 | |
duke@435 | 1609 | if (!skip_fillInStackTrace_check) { |
dholmes@2758 | 1610 | if ((method->name() == vmSymbols::fillInStackTrace_name() || |
dholmes@2758 | 1611 | method->name() == vmSymbols::fillInStackTrace0_name()) && |
dholmes@2758 | 1612 | throwable->is_a(method->method_holder())) { |
duke@435 | 1613 | continue; |
duke@435 | 1614 | } |
dholmes@2758 | 1615 | else { |
dholmes@2758 | 1616 | skip_fillInStackTrace_check = true; // gone past them all |
dholmes@2758 | 1617 | } |
duke@435 | 1618 | } |
duke@435 | 1619 | if (!skip_throwableInit_check) { |
dholmes@2758 | 1620 | assert(skip_fillInStackTrace_check, "logic error in backtrace filtering"); |
dholmes@2758 | 1621 | |
dholmes@2758 | 1622 | // skip <init> methods of the exception class and superclasses |
dholmes@2758 | 1623 | // This is simlar to classic VM. |
duke@435 | 1624 | if (method->name() == vmSymbols::object_initializer_name() && |
duke@435 | 1625 | throwable->is_a(method->method_holder())) { |
duke@435 | 1626 | continue; |
duke@435 | 1627 | } else { |
dholmes@2758 | 1628 | // there are none or we've seen them all - either way stop checking |
duke@435 | 1629 | skip_throwableInit_check = true; |
duke@435 | 1630 | } |
duke@435 | 1631 | } |
twisti@3969 | 1632 | if (method->is_hidden()) { |
twisti@3969 | 1633 | if (skip_hidden) continue; |
twisti@3969 | 1634 | } |
duke@435 | 1635 | bt.push(method, bci, CHECK); |
duke@435 | 1636 | total_count++; |
duke@435 | 1637 | } |
duke@435 | 1638 | |
duke@435 | 1639 | // Put completed stack trace into throwable object |
duke@435 | 1640 | set_backtrace(throwable(), bt.backtrace()); |
duke@435 | 1641 | } |
duke@435 | 1642 | |
coleenp@2804 | 1643 | void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) { |
duke@435 | 1644 | // No-op if stack trace is disabled |
duke@435 | 1645 | if (!StackTraceInThrowable) { |
duke@435 | 1646 | return; |
duke@435 | 1647 | } |
duke@435 | 1648 | |
duke@435 | 1649 | // Disable stack traces for some preallocated out of memory errors |
duke@435 | 1650 | if (!Universe::should_fill_in_stack_trace(throwable)) { |
duke@435 | 1651 | return; |
duke@435 | 1652 | } |
duke@435 | 1653 | |
duke@435 | 1654 | PRESERVE_EXCEPTION_MARK; |
duke@435 | 1655 | |
duke@435 | 1656 | JavaThread* thread = JavaThread::active(); |
coleenp@2804 | 1657 | fill_in_stack_trace(throwable, method, thread); |
duke@435 | 1658 | // ignore exceptions thrown during stack trace filling |
duke@435 | 1659 | CLEAR_PENDING_EXCEPTION; |
duke@435 | 1660 | } |
duke@435 | 1661 | |
duke@435 | 1662 | void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) { |
duke@435 | 1663 | // Allocate stack trace - backtrace is created but not filled in |
duke@435 | 1664 | |
duke@435 | 1665 | // No-op if stack trace is disabled |
duke@435 | 1666 | if (!StackTraceInThrowable) return; |
coleenp@4466 | 1667 | BacktraceBuilder bt(CHECK); // creates a backtrace |
coleenp@4466 | 1668 | set_backtrace(throwable(), bt.backtrace()); |
duke@435 | 1669 | } |
duke@435 | 1670 | |
duke@435 | 1671 | |
duke@435 | 1672 | void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) { |
duke@435 | 1673 | // Fill in stack trace into preallocated backtrace (no GC) |
duke@435 | 1674 | |
duke@435 | 1675 | // No-op if stack trace is disabled |
duke@435 | 1676 | if (!StackTraceInThrowable) return; |
duke@435 | 1677 | |
never@1577 | 1678 | assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check"); |
duke@435 | 1679 | |
coleenp@4466 | 1680 | JavaThread* THREAD = JavaThread::current(); |
coleenp@4466 | 1681 | |
coleenp@4466 | 1682 | objArrayHandle backtrace (THREAD, (objArrayOop)java_lang_Throwable::backtrace(throwable())); |
coleenp@4466 | 1683 | assert(backtrace.not_null(), "backtrace should have been preallocated"); |
coleenp@4466 | 1684 | |
coleenp@4466 | 1685 | ResourceMark rm(THREAD); |
coleenp@4466 | 1686 | vframeStream st(THREAD); |
coleenp@4466 | 1687 | |
coleenp@4466 | 1688 | BacktraceBuilder bt(backtrace); |
duke@435 | 1689 | |
duke@435 | 1690 | // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init |
duke@435 | 1691 | // methods as preallocated errors aren't created by "java" code. |
duke@435 | 1692 | |
duke@435 | 1693 | // fill in as much stack trace as possible |
coleenp@4466 | 1694 | typeArrayOop methods = BacktraceBuilder::get_methods(backtrace); |
duke@435 | 1695 | int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth); |
duke@435 | 1696 | int chunk_count = 0; |
duke@435 | 1697 | |
duke@435 | 1698 | for (;!st.at_end(); st.next()) { |
coleenp@4466 | 1699 | bt.push(st.method(), st.bci(), CHECK); |
duke@435 | 1700 | chunk_count++; |
duke@435 | 1701 | |
duke@435 | 1702 | // Bail-out for deep stacks |
duke@435 | 1703 | if (chunk_count >= max_chunks) break; |
duke@435 | 1704 | } |
dholmes@3018 | 1705 | |
dholmes@3018 | 1706 | // For Java 7+ we support the Throwable immutability protocol defined for Java 7. This support |
dholmes@3018 | 1707 | // was missing in 7u0 so in 7u0 there is a workaround in the Throwable class. That workaround |
dholmes@3018 | 1708 | // can be removed in a JDK using this JVM version |
dholmes@3018 | 1709 | if (JDK_Version::is_gte_jdk17x_version()) { |
dholmes@3018 | 1710 | java_lang_Throwable::set_stacktrace(throwable(), java_lang_Throwable::unassigned_stacktrace()); |
dholmes@3018 | 1711 | assert(java_lang_Throwable::unassigned_stacktrace() != NULL, "not initialized"); |
dholmes@3018 | 1712 | } |
duke@435 | 1713 | } |
duke@435 | 1714 | |
duke@435 | 1715 | |
duke@435 | 1716 | int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) { |
duke@435 | 1717 | if (throwable == NULL) { |
duke@435 | 1718 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 1719 | } |
duke@435 | 1720 | objArrayOop chunk = objArrayOop(backtrace(throwable)); |
duke@435 | 1721 | int depth = 0; |
duke@435 | 1722 | if (chunk != NULL) { |
duke@435 | 1723 | // Iterate over chunks and count full ones |
duke@435 | 1724 | while (true) { |
duke@435 | 1725 | objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset)); |
duke@435 | 1726 | if (next == NULL) break; |
duke@435 | 1727 | depth += trace_chunk_size; |
duke@435 | 1728 | chunk = next; |
duke@435 | 1729 | } |
duke@435 | 1730 | assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check"); |
coleenp@4466 | 1731 | // Count element in remaining partial chunk. NULL value for mirror |
coleenp@4466 | 1732 | // marks the end of the stack trace elements that are saved. |
coleenp@4466 | 1733 | objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk); |
coleenp@4466 | 1734 | assert(mirrors != NULL, "sanity check"); |
coleenp@4466 | 1735 | for (int i = 0; i < mirrors->length(); i++) { |
coleenp@4466 | 1736 | if (mirrors->obj_at(i) == NULL) break; |
duke@435 | 1737 | depth++; |
duke@435 | 1738 | } |
duke@435 | 1739 | } |
duke@435 | 1740 | return depth; |
duke@435 | 1741 | } |
duke@435 | 1742 | |
duke@435 | 1743 | |
duke@435 | 1744 | oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) { |
duke@435 | 1745 | if (throwable == NULL) { |
duke@435 | 1746 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 1747 | } |
duke@435 | 1748 | if (index < 0) { |
duke@435 | 1749 | THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
duke@435 | 1750 | } |
duke@435 | 1751 | // Compute how many chunks to skip and index into actual chunk |
duke@435 | 1752 | objArrayOop chunk = objArrayOop(backtrace(throwable)); |
duke@435 | 1753 | int skip_chunks = index / trace_chunk_size; |
duke@435 | 1754 | int chunk_index = index % trace_chunk_size; |
duke@435 | 1755 | while (chunk != NULL && skip_chunks > 0) { |
duke@435 | 1756 | chunk = objArrayOop(chunk->obj_at(trace_next_offset)); |
duke@435 | 1757 | skip_chunks--; |
duke@435 | 1758 | } |
duke@435 | 1759 | if (chunk == NULL) { |
duke@435 | 1760 | THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
duke@435 | 1761 | } |
coleenp@4466 | 1762 | // Get method id, bci, version and mirror from chunk |
coleenp@4466 | 1763 | typeArrayOop methods = BacktraceBuilder::get_methods(chunk); |
coleenp@4466 | 1764 | typeArrayOop bcis = BacktraceBuilder::get_bcis(chunk); |
coleenp@4466 | 1765 | objArrayOop mirrors = BacktraceBuilder::get_mirrors(chunk); |
coleenp@4466 | 1766 | |
coleenp@4466 | 1767 | assert(methods != NULL && bcis != NULL && mirrors != NULL, "sanity check"); |
coleenp@4466 | 1768 | |
coleenp@4466 | 1769 | int method = methods->short_at(chunk_index); |
coleenp@4466 | 1770 | int version = version_at(bcis->int_at(chunk_index)); |
coleenp@4466 | 1771 | int bci = bci_at(bcis->int_at(chunk_index)); |
coleenp@4466 | 1772 | Handle mirror(THREAD, mirrors->obj_at(chunk_index)); |
coleenp@4466 | 1773 | |
duke@435 | 1774 | // Chunk can be partial full |
coleenp@4466 | 1775 | if (mirror.is_null()) { |
duke@435 | 1776 | THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL); |
duke@435 | 1777 | } |
duke@435 | 1778 | |
coleenp@4466 | 1779 | oop element = java_lang_StackTraceElement::create(mirror, method, version, bci, CHECK_0); |
duke@435 | 1780 | return element; |
duke@435 | 1781 | } |
duke@435 | 1782 | |
coleenp@5835 | 1783 | oop java_lang_StackTraceElement::create(Handle mirror, int method_id, |
coleenp@5835 | 1784 | int version, int bci, TRAPS) { |
duke@435 | 1785 | // Allocate java.lang.StackTraceElement instance |
coleenp@4037 | 1786 | Klass* k = SystemDictionary::StackTraceElement_klass(); |
jrose@567 | 1787 | assert(k != NULL, "must be loaded in 1.4+"); |
duke@435 | 1788 | instanceKlassHandle ik (THREAD, k); |
duke@435 | 1789 | if (ik->should_be_initialized()) { |
duke@435 | 1790 | ik->initialize(CHECK_0); |
duke@435 | 1791 | } |
duke@435 | 1792 | |
duke@435 | 1793 | Handle element = ik->allocate_instance_handle(CHECK_0); |
duke@435 | 1794 | // Fill in class name |
duke@435 | 1795 | ResourceMark rm(THREAD); |
coleenp@4466 | 1796 | InstanceKlass* holder = InstanceKlass::cast(java_lang_Class::as_Klass(mirror())); |
coleenp@4466 | 1797 | const char* str = holder->external_name(); |
duke@435 | 1798 | oop classname = StringTable::intern((char*) str, CHECK_0); |
duke@435 | 1799 | java_lang_StackTraceElement::set_declaringClass(element(), classname); |
coleenp@4466 | 1800 | |
coleenp@5835 | 1801 | Method* method = holder->method_with_idnum(method_id); |
coleenp@5835 | 1802 | // Method on stack may be obsolete because it was redefined so cannot be |
coleenp@5835 | 1803 | // found by idnum. |
coleenp@5835 | 1804 | if (method == NULL) { |
coleenp@5835 | 1805 | // leave name and fileName null |
coleenp@5835 | 1806 | java_lang_StackTraceElement::set_lineNumber(element(), -1); |
coleenp@5835 | 1807 | return element(); |
coleenp@5835 | 1808 | } |
coleenp@5835 | 1809 | |
duke@435 | 1810 | // Fill in method name |
duke@435 | 1811 | oop methodname = StringTable::intern(method->name(), CHECK_0); |
duke@435 | 1812 | java_lang_StackTraceElement::set_methodName(element(), methodname); |
coleenp@4466 | 1813 | |
coleenp@4466 | 1814 | if (!version_matches(method, version)) { |
coleenp@4466 | 1815 | // The method was redefined, accurate line number information isn't available |
coleenp@4466 | 1816 | java_lang_StackTraceElement::set_fileName(element(), NULL); |
coleenp@4466 | 1817 | java_lang_StackTraceElement::set_lineNumber(element(), -1); |
duke@435 | 1818 | } else { |
coleenp@4466 | 1819 | // Fill in source file name and line number. |
coleenp@4466 | 1820 | Symbol* source = holder->source_file_name(); |
coleenp@4466 | 1821 | if (ShowHiddenFrames && source == NULL) |
coleenp@4466 | 1822 | source = vmSymbols::unknown_class_name(); |
coleenp@4466 | 1823 | oop filename = StringTable::intern(source, CHECK_0); |
coleenp@4466 | 1824 | java_lang_StackTraceElement::set_fileName(element(), filename); |
coleenp@4466 | 1825 | |
coleenp@4466 | 1826 | int line_number = get_line_number(method, bci); |
coleenp@4466 | 1827 | java_lang_StackTraceElement::set_lineNumber(element(), line_number); |
duke@435 | 1828 | } |
duke@435 | 1829 | return element(); |
duke@435 | 1830 | } |
duke@435 | 1831 | |
coleenp@4466 | 1832 | oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) { |
coleenp@4466 | 1833 | Handle mirror (THREAD, method->method_holder()->java_mirror()); |
coleenp@4466 | 1834 | int method_id = method->method_idnum(); |
coleenp@4466 | 1835 | return create(mirror, method_id, method->constants()->version(), bci, THREAD); |
coleenp@4466 | 1836 | } |
duke@435 | 1837 | |
duke@435 | 1838 | void java_lang_reflect_AccessibleObject::compute_offsets() { |
coleenp@4037 | 1839 | Klass* k = SystemDictionary::reflect_AccessibleObject_klass(); |
jrose@567 | 1840 | compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature()); |
duke@435 | 1841 | } |
duke@435 | 1842 | |
duke@435 | 1843 | jboolean java_lang_reflect_AccessibleObject::override(oop reflect) { |
duke@435 | 1844 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1845 | return (jboolean) reflect->bool_field(override_offset); |
duke@435 | 1846 | } |
duke@435 | 1847 | |
duke@435 | 1848 | void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) { |
duke@435 | 1849 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1850 | reflect->bool_field_put(override_offset, (int) value); |
duke@435 | 1851 | } |
duke@435 | 1852 | |
duke@435 | 1853 | void java_lang_reflect_Method::compute_offsets() { |
coleenp@4037 | 1854 | Klass* k = SystemDictionary::reflect_Method_klass(); |
jrose@567 | 1855 | compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
jrose@567 | 1856 | compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
jrose@567 | 1857 | compute_offset(returnType_offset, k, vmSymbols::returnType_name(), vmSymbols::class_signature()); |
jrose@567 | 1858 | compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
jrose@567 | 1859 | compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
jrose@567 | 1860 | compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
jrose@567 | 1861 | compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
duke@435 | 1862 | // The generic signature and annotations fields are only present in 1.5 |
duke@435 | 1863 | signature_offset = -1; |
duke@435 | 1864 | annotations_offset = -1; |
duke@435 | 1865 | parameter_annotations_offset = -1; |
duke@435 | 1866 | annotation_default_offset = -1; |
stefank@4393 | 1867 | type_annotations_offset = -1; |
jrose@567 | 1868 | compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
jrose@567 | 1869 | compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
jrose@567 | 1870 | compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
jrose@567 | 1871 | compute_optional_offset(annotation_default_offset, k, vmSymbols::annotation_default_name(), vmSymbols::byte_array_signature()); |
stefank@4393 | 1872 | compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
duke@435 | 1873 | } |
duke@435 | 1874 | |
duke@435 | 1875 | Handle java_lang_reflect_Method::create(TRAPS) { |
duke@435 | 1876 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4037 | 1877 | Klass* klass = SystemDictionary::reflect_Method_klass(); |
duke@435 | 1878 | // This class is eagerly initialized during VM initialization, since we keep a refence |
duke@435 | 1879 | // to one of the methods |
coleenp@4037 | 1880 | assert(InstanceKlass::cast(klass)->is_initialized(), "must be initialized"); |
coleenp@4037 | 1881 | return InstanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH); |
duke@435 | 1882 | } |
duke@435 | 1883 | |
duke@435 | 1884 | oop java_lang_reflect_Method::clazz(oop reflect) { |
duke@435 | 1885 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1886 | return reflect->obj_field(clazz_offset); |
duke@435 | 1887 | } |
duke@435 | 1888 | |
duke@435 | 1889 | void java_lang_reflect_Method::set_clazz(oop reflect, oop value) { |
duke@435 | 1890 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1891 | reflect->obj_field_put(clazz_offset, value); |
duke@435 | 1892 | } |
duke@435 | 1893 | |
duke@435 | 1894 | int java_lang_reflect_Method::slot(oop reflect) { |
duke@435 | 1895 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1896 | return reflect->int_field(slot_offset); |
duke@435 | 1897 | } |
duke@435 | 1898 | |
duke@435 | 1899 | void java_lang_reflect_Method::set_slot(oop reflect, int value) { |
duke@435 | 1900 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1901 | reflect->int_field_put(slot_offset, value); |
duke@435 | 1902 | } |
duke@435 | 1903 | |
duke@435 | 1904 | oop java_lang_reflect_Method::name(oop method) { |
duke@435 | 1905 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1906 | return method->obj_field(name_offset); |
duke@435 | 1907 | } |
duke@435 | 1908 | |
duke@435 | 1909 | void java_lang_reflect_Method::set_name(oop method, oop value) { |
duke@435 | 1910 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1911 | method->obj_field_put(name_offset, value); |
duke@435 | 1912 | } |
duke@435 | 1913 | |
duke@435 | 1914 | oop java_lang_reflect_Method::return_type(oop method) { |
duke@435 | 1915 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1916 | return method->obj_field(returnType_offset); |
duke@435 | 1917 | } |
duke@435 | 1918 | |
duke@435 | 1919 | void java_lang_reflect_Method::set_return_type(oop method, oop value) { |
duke@435 | 1920 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1921 | method->obj_field_put(returnType_offset, value); |
duke@435 | 1922 | } |
duke@435 | 1923 | |
duke@435 | 1924 | oop java_lang_reflect_Method::parameter_types(oop method) { |
duke@435 | 1925 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1926 | return method->obj_field(parameterTypes_offset); |
duke@435 | 1927 | } |
duke@435 | 1928 | |
duke@435 | 1929 | void java_lang_reflect_Method::set_parameter_types(oop method, oop value) { |
duke@435 | 1930 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1931 | method->obj_field_put(parameterTypes_offset, value); |
duke@435 | 1932 | } |
duke@435 | 1933 | |
duke@435 | 1934 | oop java_lang_reflect_Method::exception_types(oop method) { |
duke@435 | 1935 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1936 | return method->obj_field(exceptionTypes_offset); |
duke@435 | 1937 | } |
duke@435 | 1938 | |
duke@435 | 1939 | void java_lang_reflect_Method::set_exception_types(oop method, oop value) { |
duke@435 | 1940 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1941 | method->obj_field_put(exceptionTypes_offset, value); |
duke@435 | 1942 | } |
duke@435 | 1943 | |
duke@435 | 1944 | int java_lang_reflect_Method::modifiers(oop method) { |
duke@435 | 1945 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1946 | return method->int_field(modifiers_offset); |
duke@435 | 1947 | } |
duke@435 | 1948 | |
duke@435 | 1949 | void java_lang_reflect_Method::set_modifiers(oop method, int value) { |
duke@435 | 1950 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1951 | method->int_field_put(modifiers_offset, value); |
duke@435 | 1952 | } |
duke@435 | 1953 | |
duke@435 | 1954 | bool java_lang_reflect_Method::has_signature_field() { |
duke@435 | 1955 | return (signature_offset >= 0); |
duke@435 | 1956 | } |
duke@435 | 1957 | |
duke@435 | 1958 | oop java_lang_reflect_Method::signature(oop method) { |
duke@435 | 1959 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1960 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 1961 | return method->obj_field(signature_offset); |
duke@435 | 1962 | } |
duke@435 | 1963 | |
duke@435 | 1964 | void java_lang_reflect_Method::set_signature(oop method, oop value) { |
duke@435 | 1965 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1966 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 1967 | method->obj_field_put(signature_offset, value); |
duke@435 | 1968 | } |
duke@435 | 1969 | |
duke@435 | 1970 | bool java_lang_reflect_Method::has_annotations_field() { |
duke@435 | 1971 | return (annotations_offset >= 0); |
duke@435 | 1972 | } |
duke@435 | 1973 | |
duke@435 | 1974 | oop java_lang_reflect_Method::annotations(oop method) { |
duke@435 | 1975 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1976 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 1977 | return method->obj_field(annotations_offset); |
duke@435 | 1978 | } |
duke@435 | 1979 | |
duke@435 | 1980 | void java_lang_reflect_Method::set_annotations(oop method, oop value) { |
duke@435 | 1981 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1982 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 1983 | method->obj_field_put(annotations_offset, value); |
duke@435 | 1984 | } |
duke@435 | 1985 | |
duke@435 | 1986 | bool java_lang_reflect_Method::has_parameter_annotations_field() { |
duke@435 | 1987 | return (parameter_annotations_offset >= 0); |
duke@435 | 1988 | } |
duke@435 | 1989 | |
duke@435 | 1990 | oop java_lang_reflect_Method::parameter_annotations(oop method) { |
duke@435 | 1991 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1992 | assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
duke@435 | 1993 | return method->obj_field(parameter_annotations_offset); |
duke@435 | 1994 | } |
duke@435 | 1995 | |
duke@435 | 1996 | void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) { |
duke@435 | 1997 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 1998 | assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
duke@435 | 1999 | method->obj_field_put(parameter_annotations_offset, value); |
duke@435 | 2000 | } |
duke@435 | 2001 | |
duke@435 | 2002 | bool java_lang_reflect_Method::has_annotation_default_field() { |
duke@435 | 2003 | return (annotation_default_offset >= 0); |
duke@435 | 2004 | } |
duke@435 | 2005 | |
duke@435 | 2006 | oop java_lang_reflect_Method::annotation_default(oop method) { |
duke@435 | 2007 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2008 | assert(has_annotation_default_field(), "annotation default field must be present"); |
duke@435 | 2009 | return method->obj_field(annotation_default_offset); |
duke@435 | 2010 | } |
duke@435 | 2011 | |
duke@435 | 2012 | void java_lang_reflect_Method::set_annotation_default(oop method, oop value) { |
duke@435 | 2013 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2014 | assert(has_annotation_default_field(), "annotation default field must be present"); |
duke@435 | 2015 | method->obj_field_put(annotation_default_offset, value); |
duke@435 | 2016 | } |
duke@435 | 2017 | |
stefank@4393 | 2018 | bool java_lang_reflect_Method::has_type_annotations_field() { |
stefank@4393 | 2019 | return (type_annotations_offset >= 0); |
stefank@4393 | 2020 | } |
stefank@4393 | 2021 | |
stefank@4393 | 2022 | oop java_lang_reflect_Method::type_annotations(oop method) { |
stefank@4393 | 2023 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
stefank@4393 | 2024 | assert(has_type_annotations_field(), "type_annotations field must be present"); |
stefank@4393 | 2025 | return method->obj_field(type_annotations_offset); |
stefank@4393 | 2026 | } |
stefank@4393 | 2027 | |
stefank@4393 | 2028 | void java_lang_reflect_Method::set_type_annotations(oop method, oop value) { |
stefank@4393 | 2029 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
stefank@4393 | 2030 | assert(has_type_annotations_field(), "type_annotations field must be present"); |
stefank@4393 | 2031 | method->obj_field_put(type_annotations_offset, value); |
stefank@4393 | 2032 | } |
stefank@4393 | 2033 | |
duke@435 | 2034 | void java_lang_reflect_Constructor::compute_offsets() { |
coleenp@4037 | 2035 | Klass* k = SystemDictionary::reflect_Constructor_klass(); |
jrose@567 | 2036 | compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
jrose@567 | 2037 | compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature()); |
jrose@567 | 2038 | compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature()); |
jrose@567 | 2039 | compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
jrose@567 | 2040 | compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
duke@435 | 2041 | // The generic signature and annotations fields are only present in 1.5 |
duke@435 | 2042 | signature_offset = -1; |
duke@435 | 2043 | annotations_offset = -1; |
duke@435 | 2044 | parameter_annotations_offset = -1; |
stefank@4393 | 2045 | type_annotations_offset = -1; |
jrose@567 | 2046 | compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
jrose@567 | 2047 | compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
jrose@567 | 2048 | compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature()); |
stefank@4393 | 2049 | compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
duke@435 | 2050 | } |
duke@435 | 2051 | |
duke@435 | 2052 | Handle java_lang_reflect_Constructor::create(TRAPS) { |
duke@435 | 2053 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@2497 | 2054 | Symbol* name = vmSymbols::java_lang_reflect_Constructor(); |
coleenp@4037 | 2055 | Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
duke@435 | 2056 | instanceKlassHandle klass (THREAD, k); |
duke@435 | 2057 | // Ensure it is initialized |
duke@435 | 2058 | klass->initialize(CHECK_NH); |
duke@435 | 2059 | return klass->allocate_instance_handle(CHECK_NH); |
duke@435 | 2060 | } |
duke@435 | 2061 | |
duke@435 | 2062 | oop java_lang_reflect_Constructor::clazz(oop reflect) { |
duke@435 | 2063 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2064 | return reflect->obj_field(clazz_offset); |
duke@435 | 2065 | } |
duke@435 | 2066 | |
duke@435 | 2067 | void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) { |
duke@435 | 2068 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2069 | reflect->obj_field_put(clazz_offset, value); |
duke@435 | 2070 | } |
duke@435 | 2071 | |
duke@435 | 2072 | oop java_lang_reflect_Constructor::parameter_types(oop constructor) { |
duke@435 | 2073 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2074 | return constructor->obj_field(parameterTypes_offset); |
duke@435 | 2075 | } |
duke@435 | 2076 | |
duke@435 | 2077 | void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) { |
duke@435 | 2078 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2079 | constructor->obj_field_put(parameterTypes_offset, value); |
duke@435 | 2080 | } |
duke@435 | 2081 | |
duke@435 | 2082 | oop java_lang_reflect_Constructor::exception_types(oop constructor) { |
duke@435 | 2083 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2084 | return constructor->obj_field(exceptionTypes_offset); |
duke@435 | 2085 | } |
duke@435 | 2086 | |
duke@435 | 2087 | void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) { |
duke@435 | 2088 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2089 | constructor->obj_field_put(exceptionTypes_offset, value); |
duke@435 | 2090 | } |
duke@435 | 2091 | |
duke@435 | 2092 | int java_lang_reflect_Constructor::slot(oop reflect) { |
duke@435 | 2093 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2094 | return reflect->int_field(slot_offset); |
duke@435 | 2095 | } |
duke@435 | 2096 | |
duke@435 | 2097 | void java_lang_reflect_Constructor::set_slot(oop reflect, int value) { |
duke@435 | 2098 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2099 | reflect->int_field_put(slot_offset, value); |
duke@435 | 2100 | } |
duke@435 | 2101 | |
duke@435 | 2102 | int java_lang_reflect_Constructor::modifiers(oop constructor) { |
duke@435 | 2103 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2104 | return constructor->int_field(modifiers_offset); |
duke@435 | 2105 | } |
duke@435 | 2106 | |
duke@435 | 2107 | void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) { |
duke@435 | 2108 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2109 | constructor->int_field_put(modifiers_offset, value); |
duke@435 | 2110 | } |
duke@435 | 2111 | |
duke@435 | 2112 | bool java_lang_reflect_Constructor::has_signature_field() { |
duke@435 | 2113 | return (signature_offset >= 0); |
duke@435 | 2114 | } |
duke@435 | 2115 | |
duke@435 | 2116 | oop java_lang_reflect_Constructor::signature(oop constructor) { |
duke@435 | 2117 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2118 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 2119 | return constructor->obj_field(signature_offset); |
duke@435 | 2120 | } |
duke@435 | 2121 | |
duke@435 | 2122 | void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) { |
duke@435 | 2123 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2124 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 2125 | constructor->obj_field_put(signature_offset, value); |
duke@435 | 2126 | } |
duke@435 | 2127 | |
duke@435 | 2128 | bool java_lang_reflect_Constructor::has_annotations_field() { |
duke@435 | 2129 | return (annotations_offset >= 0); |
duke@435 | 2130 | } |
duke@435 | 2131 | |
duke@435 | 2132 | oop java_lang_reflect_Constructor::annotations(oop constructor) { |
duke@435 | 2133 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2134 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 2135 | return constructor->obj_field(annotations_offset); |
duke@435 | 2136 | } |
duke@435 | 2137 | |
duke@435 | 2138 | void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) { |
duke@435 | 2139 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2140 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 2141 | constructor->obj_field_put(annotations_offset, value); |
duke@435 | 2142 | } |
duke@435 | 2143 | |
duke@435 | 2144 | bool java_lang_reflect_Constructor::has_parameter_annotations_field() { |
duke@435 | 2145 | return (parameter_annotations_offset >= 0); |
duke@435 | 2146 | } |
duke@435 | 2147 | |
duke@435 | 2148 | oop java_lang_reflect_Constructor::parameter_annotations(oop method) { |
duke@435 | 2149 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2150 | assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
duke@435 | 2151 | return method->obj_field(parameter_annotations_offset); |
duke@435 | 2152 | } |
duke@435 | 2153 | |
duke@435 | 2154 | void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) { |
duke@435 | 2155 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2156 | assert(has_parameter_annotations_field(), "parameter annotations field must be present"); |
duke@435 | 2157 | method->obj_field_put(parameter_annotations_offset, value); |
duke@435 | 2158 | } |
duke@435 | 2159 | |
stefank@4393 | 2160 | bool java_lang_reflect_Constructor::has_type_annotations_field() { |
stefank@4393 | 2161 | return (type_annotations_offset >= 0); |
stefank@4393 | 2162 | } |
stefank@4393 | 2163 | |
stefank@4393 | 2164 | oop java_lang_reflect_Constructor::type_annotations(oop constructor) { |
stefank@4393 | 2165 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
stefank@4393 | 2166 | assert(has_type_annotations_field(), "type_annotations field must be present"); |
stefank@4393 | 2167 | return constructor->obj_field(type_annotations_offset); |
stefank@4393 | 2168 | } |
stefank@4393 | 2169 | |
stefank@4393 | 2170 | void java_lang_reflect_Constructor::set_type_annotations(oop constructor, oop value) { |
stefank@4393 | 2171 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
stefank@4393 | 2172 | assert(has_type_annotations_field(), "type_annotations field must be present"); |
stefank@4393 | 2173 | constructor->obj_field_put(type_annotations_offset, value); |
stefank@4393 | 2174 | } |
stefank@4393 | 2175 | |
duke@435 | 2176 | void java_lang_reflect_Field::compute_offsets() { |
coleenp@4037 | 2177 | Klass* k = SystemDictionary::reflect_Field_klass(); |
jrose@567 | 2178 | compute_offset(clazz_offset, k, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
jrose@567 | 2179 | compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
jrose@567 | 2180 | compute_offset(type_offset, k, vmSymbols::type_name(), vmSymbols::class_signature()); |
jrose@567 | 2181 | compute_offset(slot_offset, k, vmSymbols::slot_name(), vmSymbols::int_signature()); |
jrose@567 | 2182 | compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
duke@435 | 2183 | // The generic signature and annotations fields are only present in 1.5 |
duke@435 | 2184 | signature_offset = -1; |
duke@435 | 2185 | annotations_offset = -1; |
stefank@4393 | 2186 | type_annotations_offset = -1; |
jrose@567 | 2187 | compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature()); |
jrose@567 | 2188 | compute_optional_offset(annotations_offset, k, vmSymbols::annotations_name(), vmSymbols::byte_array_signature()); |
stefank@4393 | 2189 | compute_optional_offset(type_annotations_offset, k, vmSymbols::type_annotations_name(), vmSymbols::byte_array_signature()); |
duke@435 | 2190 | } |
duke@435 | 2191 | |
duke@435 | 2192 | Handle java_lang_reflect_Field::create(TRAPS) { |
duke@435 | 2193 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@2497 | 2194 | Symbol* name = vmSymbols::java_lang_reflect_Field(); |
coleenp@4037 | 2195 | Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
duke@435 | 2196 | instanceKlassHandle klass (THREAD, k); |
duke@435 | 2197 | // Ensure it is initialized |
duke@435 | 2198 | klass->initialize(CHECK_NH); |
duke@435 | 2199 | return klass->allocate_instance_handle(CHECK_NH); |
duke@435 | 2200 | } |
duke@435 | 2201 | |
duke@435 | 2202 | oop java_lang_reflect_Field::clazz(oop reflect) { |
duke@435 | 2203 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2204 | return reflect->obj_field(clazz_offset); |
duke@435 | 2205 | } |
duke@435 | 2206 | |
duke@435 | 2207 | void java_lang_reflect_Field::set_clazz(oop reflect, oop value) { |
duke@435 | 2208 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2209 | reflect->obj_field_put(clazz_offset, value); |
duke@435 | 2210 | } |
duke@435 | 2211 | |
duke@435 | 2212 | oop java_lang_reflect_Field::name(oop field) { |
duke@435 | 2213 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2214 | return field->obj_field(name_offset); |
duke@435 | 2215 | } |
duke@435 | 2216 | |
duke@435 | 2217 | void java_lang_reflect_Field::set_name(oop field, oop value) { |
duke@435 | 2218 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2219 | field->obj_field_put(name_offset, value); |
duke@435 | 2220 | } |
duke@435 | 2221 | |
duke@435 | 2222 | oop java_lang_reflect_Field::type(oop field) { |
duke@435 | 2223 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2224 | return field->obj_field(type_offset); |
duke@435 | 2225 | } |
duke@435 | 2226 | |
duke@435 | 2227 | void java_lang_reflect_Field::set_type(oop field, oop value) { |
duke@435 | 2228 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2229 | field->obj_field_put(type_offset, value); |
duke@435 | 2230 | } |
duke@435 | 2231 | |
duke@435 | 2232 | int java_lang_reflect_Field::slot(oop reflect) { |
duke@435 | 2233 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2234 | return reflect->int_field(slot_offset); |
duke@435 | 2235 | } |
duke@435 | 2236 | |
duke@435 | 2237 | void java_lang_reflect_Field::set_slot(oop reflect, int value) { |
duke@435 | 2238 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2239 | reflect->int_field_put(slot_offset, value); |
duke@435 | 2240 | } |
duke@435 | 2241 | |
duke@435 | 2242 | int java_lang_reflect_Field::modifiers(oop field) { |
duke@435 | 2243 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2244 | return field->int_field(modifiers_offset); |
duke@435 | 2245 | } |
duke@435 | 2246 | |
duke@435 | 2247 | void java_lang_reflect_Field::set_modifiers(oop field, int value) { |
duke@435 | 2248 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2249 | field->int_field_put(modifiers_offset, value); |
duke@435 | 2250 | } |
duke@435 | 2251 | |
duke@435 | 2252 | bool java_lang_reflect_Field::has_signature_field() { |
duke@435 | 2253 | return (signature_offset >= 0); |
duke@435 | 2254 | } |
duke@435 | 2255 | |
duke@435 | 2256 | oop java_lang_reflect_Field::signature(oop field) { |
duke@435 | 2257 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2258 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 2259 | return field->obj_field(signature_offset); |
duke@435 | 2260 | } |
duke@435 | 2261 | |
duke@435 | 2262 | void java_lang_reflect_Field::set_signature(oop field, oop value) { |
duke@435 | 2263 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2264 | assert(has_signature_field(), "signature field must be present"); |
duke@435 | 2265 | field->obj_field_put(signature_offset, value); |
duke@435 | 2266 | } |
duke@435 | 2267 | |
duke@435 | 2268 | bool java_lang_reflect_Field::has_annotations_field() { |
duke@435 | 2269 | return (annotations_offset >= 0); |
duke@435 | 2270 | } |
duke@435 | 2271 | |
duke@435 | 2272 | oop java_lang_reflect_Field::annotations(oop field) { |
duke@435 | 2273 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2274 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 2275 | return field->obj_field(annotations_offset); |
duke@435 | 2276 | } |
duke@435 | 2277 | |
duke@435 | 2278 | void java_lang_reflect_Field::set_annotations(oop field, oop value) { |
duke@435 | 2279 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
duke@435 | 2280 | assert(has_annotations_field(), "annotations field must be present"); |
duke@435 | 2281 | field->obj_field_put(annotations_offset, value); |
duke@435 | 2282 | } |
duke@435 | 2283 | |
stefank@4393 | 2284 | bool java_lang_reflect_Field::has_type_annotations_field() { |
stefank@4393 | 2285 | return (type_annotations_offset >= 0); |
stefank@4393 | 2286 | } |
stefank@4393 | 2287 | |
stefank@4393 | 2288 | oop java_lang_reflect_Field::type_annotations(oop field) { |
stefank@4393 | 2289 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
stefank@4393 | 2290 | assert(has_type_annotations_field(), "type_annotations field must be present"); |
stefank@4393 | 2291 | return field->obj_field(type_annotations_offset); |
stefank@4393 | 2292 | } |
stefank@4393 | 2293 | |
stefank@4393 | 2294 | void java_lang_reflect_Field::set_type_annotations(oop field, oop value) { |
stefank@4393 | 2295 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
stefank@4393 | 2296 | assert(has_type_annotations_field(), "type_annotations field must be present"); |
stefank@4393 | 2297 | field->obj_field_put(type_annotations_offset, value); |
stefank@4393 | 2298 | } |
duke@435 | 2299 | |
duke@435 | 2300 | void sun_reflect_ConstantPool::compute_offsets() { |
coleenp@4037 | 2301 | Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
duke@435 | 2302 | // This null test can be removed post beta |
duke@435 | 2303 | if (k != NULL) { |
coleenp@4037 | 2304 | // The field is called ConstantPool* in the sun.reflect.ConstantPool class. |
coleenp@4037 | 2305 | compute_offset(_oop_offset, k, vmSymbols::ConstantPool_name(), vmSymbols::object_signature()); |
duke@435 | 2306 | } |
duke@435 | 2307 | } |
duke@435 | 2308 | |
coleenp@4398 | 2309 | void java_lang_reflect_Parameter::compute_offsets() { |
coleenp@4398 | 2310 | Klass* k = SystemDictionary::reflect_Parameter_klass(); |
coleenp@4398 | 2311 | if(NULL != k) { |
coleenp@4398 | 2312 | compute_offset(name_offset, k, vmSymbols::name_name(), vmSymbols::string_signature()); |
coleenp@4398 | 2313 | compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature()); |
coleenp@4398 | 2314 | compute_offset(index_offset, k, vmSymbols::index_name(), vmSymbols::int_signature()); |
coleenp@4398 | 2315 | compute_offset(executable_offset, k, vmSymbols::executable_name(), vmSymbols::executable_signature()); |
coleenp@4398 | 2316 | } |
coleenp@4398 | 2317 | } |
coleenp@4398 | 2318 | |
coleenp@4398 | 2319 | Handle java_lang_reflect_Parameter::create(TRAPS) { |
coleenp@4398 | 2320 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4398 | 2321 | Symbol* name = vmSymbols::java_lang_reflect_Parameter(); |
coleenp@4398 | 2322 | Klass* k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH); |
coleenp@4398 | 2323 | instanceKlassHandle klass (THREAD, k); |
coleenp@4398 | 2324 | // Ensure it is initialized |
coleenp@4398 | 2325 | klass->initialize(CHECK_NH); |
coleenp@4398 | 2326 | return klass->allocate_instance_handle(CHECK_NH); |
coleenp@4398 | 2327 | } |
coleenp@4398 | 2328 | |
coleenp@4398 | 2329 | oop java_lang_reflect_Parameter::name(oop param) { |
coleenp@4398 | 2330 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4398 | 2331 | return param->obj_field(name_offset); |
coleenp@4398 | 2332 | } |
coleenp@4398 | 2333 | |
coleenp@4398 | 2334 | void java_lang_reflect_Parameter::set_name(oop param, oop value) { |
coleenp@4398 | 2335 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4398 | 2336 | param->obj_field_put(name_offset, value); |
coleenp@4398 | 2337 | } |
coleenp@4398 | 2338 | |
coleenp@4398 | 2339 | int java_lang_reflect_Parameter::modifiers(oop param) { |
coleenp@4398 | 2340 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4398 | 2341 | return param->int_field(modifiers_offset); |
coleenp@4398 | 2342 | } |
coleenp@4398 | 2343 | |
coleenp@4398 | 2344 | void java_lang_reflect_Parameter::set_modifiers(oop param, int value) { |
coleenp@4398 | 2345 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4398 | 2346 | param->int_field_put(modifiers_offset, value); |
coleenp@4398 | 2347 | } |
coleenp@4398 | 2348 | |
coleenp@4398 | 2349 | int java_lang_reflect_Parameter::index(oop param) { |
coleenp@4398 | 2350 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4398 | 2351 | return param->int_field(index_offset); |
coleenp@4398 | 2352 | } |
coleenp@4398 | 2353 | |
coleenp@4398 | 2354 | void java_lang_reflect_Parameter::set_index(oop param, int value) { |
coleenp@4398 | 2355 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4398 | 2356 | param->int_field_put(index_offset, value); |
coleenp@4398 | 2357 | } |
coleenp@4398 | 2358 | |
coleenp@4398 | 2359 | oop java_lang_reflect_Parameter::executable(oop param) { |
coleenp@4398 | 2360 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4398 | 2361 | return param->obj_field(executable_offset); |
coleenp@4398 | 2362 | } |
coleenp@4398 | 2363 | |
coleenp@4398 | 2364 | void java_lang_reflect_Parameter::set_executable(oop param, oop value) { |
coleenp@4398 | 2365 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4398 | 2366 | param->obj_field_put(executable_offset, value); |
coleenp@4398 | 2367 | } |
coleenp@4398 | 2368 | |
duke@435 | 2369 | |
duke@435 | 2370 | Handle sun_reflect_ConstantPool::create(TRAPS) { |
duke@435 | 2371 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4037 | 2372 | Klass* k = SystemDictionary::reflect_ConstantPool_klass(); |
duke@435 | 2373 | instanceKlassHandle klass (THREAD, k); |
duke@435 | 2374 | // Ensure it is initialized |
duke@435 | 2375 | klass->initialize(CHECK_NH); |
duke@435 | 2376 | return klass->allocate_instance_handle(CHECK_NH); |
duke@435 | 2377 | } |
duke@435 | 2378 | |
duke@435 | 2379 | |
coleenp@4037 | 2380 | void sun_reflect_ConstantPool::set_cp(oop reflect, ConstantPool* value) { |
duke@435 | 2381 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4037 | 2382 | oop mirror = value->pool_holder()->java_mirror(); |
coleenp@4037 | 2383 | // Save the mirror to get back the constant pool. |
coleenp@4037 | 2384 | reflect->obj_field_put(_oop_offset, mirror); |
duke@435 | 2385 | } |
duke@435 | 2386 | |
coleenp@4037 | 2387 | ConstantPool* sun_reflect_ConstantPool::get_cp(oop reflect) { |
duke@435 | 2388 | assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem"); |
coleenp@4037 | 2389 | |
coleenp@4037 | 2390 | oop mirror = reflect->obj_field(_oop_offset); |
coleenp@4037 | 2391 | Klass* k = java_lang_Class::as_Klass(mirror); |
coleenp@4037 | 2392 | assert(k->oop_is_instance(), "Must be"); |
coleenp@4037 | 2393 | |
coleenp@4037 | 2394 | // Get the constant pool back from the klass. Since class redefinition |
coleenp@4037 | 2395 | // merges the new constant pool into the old, this is essentially the |
coleenp@4037 | 2396 | // same constant pool as the original. If constant pool merging is |
coleenp@4037 | 2397 | // no longer done in the future, this will have to change to save |
coleenp@4037 | 2398 | // the original. |
coleenp@4037 | 2399 | return InstanceKlass::cast(k)->constants(); |
duke@435 | 2400 | } |
duke@435 | 2401 | |
duke@435 | 2402 | void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() { |
coleenp@4037 | 2403 | Klass* k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(); |
duke@435 | 2404 | // This null test can be removed post beta |
duke@435 | 2405 | if (k != NULL) { |
jrose@567 | 2406 | compute_offset(_base_offset, k, |
duke@435 | 2407 | vmSymbols::base_name(), vmSymbols::object_signature()); |
duke@435 | 2408 | } |
duke@435 | 2409 | } |
duke@435 | 2410 | |
jrose@567 | 2411 | oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) { |
coleenp@4037 | 2412 | Klass* k = SystemDictionary::box_klass(type); |
jrose@567 | 2413 | if (k == NULL) return NULL; |
jrose@567 | 2414 | instanceKlassHandle h (THREAD, k); |
jrose@567 | 2415 | if (!h->is_initialized()) h->initialize(CHECK_0); |
jrose@567 | 2416 | return h->allocate_instance(THREAD); |
duke@435 | 2417 | } |
duke@435 | 2418 | |
duke@435 | 2419 | |
duke@435 | 2420 | oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) { |
jrose@567 | 2421 | oop box = initialize_and_allocate(type, CHECK_0); |
jrose@567 | 2422 | if (box == NULL) return NULL; |
duke@435 | 2423 | switch (type) { |
duke@435 | 2424 | case T_BOOLEAN: |
duke@435 | 2425 | box->bool_field_put(value_offset, value->z); |
duke@435 | 2426 | break; |
duke@435 | 2427 | case T_CHAR: |
duke@435 | 2428 | box->char_field_put(value_offset, value->c); |
duke@435 | 2429 | break; |
duke@435 | 2430 | case T_FLOAT: |
duke@435 | 2431 | box->float_field_put(value_offset, value->f); |
duke@435 | 2432 | break; |
duke@435 | 2433 | case T_DOUBLE: |
kvn@600 | 2434 | box->double_field_put(long_value_offset, value->d); |
duke@435 | 2435 | break; |
duke@435 | 2436 | case T_BYTE: |
duke@435 | 2437 | box->byte_field_put(value_offset, value->b); |
duke@435 | 2438 | break; |
duke@435 | 2439 | case T_SHORT: |
duke@435 | 2440 | box->short_field_put(value_offset, value->s); |
duke@435 | 2441 | break; |
duke@435 | 2442 | case T_INT: |
duke@435 | 2443 | box->int_field_put(value_offset, value->i); |
duke@435 | 2444 | break; |
duke@435 | 2445 | case T_LONG: |
kvn@600 | 2446 | box->long_field_put(long_value_offset, value->j); |
duke@435 | 2447 | break; |
duke@435 | 2448 | default: |
duke@435 | 2449 | return NULL; |
duke@435 | 2450 | } |
duke@435 | 2451 | return box; |
duke@435 | 2452 | } |
duke@435 | 2453 | |
duke@435 | 2454 | |
jrose@567 | 2455 | BasicType java_lang_boxing_object::basic_type(oop box) { |
jrose@567 | 2456 | if (box == NULL) return T_ILLEGAL; |
jrose@567 | 2457 | BasicType type = SystemDictionary::box_klass_type(box->klass()); |
jrose@567 | 2458 | if (type == T_OBJECT) // 'unknown' value returned by SD::bkt |
jrose@567 | 2459 | return T_ILLEGAL; |
jrose@567 | 2460 | return type; |
jrose@567 | 2461 | } |
jrose@567 | 2462 | |
jrose@567 | 2463 | |
duke@435 | 2464 | BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) { |
jrose@567 | 2465 | BasicType type = SystemDictionary::box_klass_type(box->klass()); |
jrose@567 | 2466 | switch (type) { |
jrose@567 | 2467 | case T_BOOLEAN: |
duke@435 | 2468 | value->z = box->bool_field(value_offset); |
jrose@567 | 2469 | break; |
jrose@567 | 2470 | case T_CHAR: |
duke@435 | 2471 | value->c = box->char_field(value_offset); |
jrose@567 | 2472 | break; |
jrose@567 | 2473 | case T_FLOAT: |
duke@435 | 2474 | value->f = box->float_field(value_offset); |
jrose@567 | 2475 | break; |
jrose@567 | 2476 | case T_DOUBLE: |
kvn@600 | 2477 | value->d = box->double_field(long_value_offset); |
jrose@567 | 2478 | break; |
jrose@567 | 2479 | case T_BYTE: |
duke@435 | 2480 | value->b = box->byte_field(value_offset); |
jrose@567 | 2481 | break; |
jrose@567 | 2482 | case T_SHORT: |
duke@435 | 2483 | value->s = box->short_field(value_offset); |
jrose@567 | 2484 | break; |
jrose@567 | 2485 | case T_INT: |
duke@435 | 2486 | value->i = box->int_field(value_offset); |
jrose@567 | 2487 | break; |
jrose@567 | 2488 | case T_LONG: |
kvn@600 | 2489 | value->j = box->long_field(long_value_offset); |
jrose@567 | 2490 | break; |
jrose@567 | 2491 | default: |
jrose@567 | 2492 | return T_ILLEGAL; |
jrose@567 | 2493 | } // end switch |
jrose@567 | 2494 | return type; |
duke@435 | 2495 | } |
duke@435 | 2496 | |
duke@435 | 2497 | |
duke@435 | 2498 | BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) { |
jrose@567 | 2499 | BasicType type = SystemDictionary::box_klass_type(box->klass()); |
jrose@567 | 2500 | switch (type) { |
jrose@567 | 2501 | case T_BOOLEAN: |
duke@435 | 2502 | box->bool_field_put(value_offset, value->z); |
jrose@567 | 2503 | break; |
jrose@567 | 2504 | case T_CHAR: |
duke@435 | 2505 | box->char_field_put(value_offset, value->c); |
jrose@567 | 2506 | break; |
jrose@567 | 2507 | case T_FLOAT: |
duke@435 | 2508 | box->float_field_put(value_offset, value->f); |
jrose@567 | 2509 | break; |
jrose@567 | 2510 | case T_DOUBLE: |
kvn@600 | 2511 | box->double_field_put(long_value_offset, value->d); |
jrose@567 | 2512 | break; |
jrose@567 | 2513 | case T_BYTE: |
duke@435 | 2514 | box->byte_field_put(value_offset, value->b); |
jrose@567 | 2515 | break; |
jrose@567 | 2516 | case T_SHORT: |
duke@435 | 2517 | box->short_field_put(value_offset, value->s); |
jrose@567 | 2518 | break; |
jrose@567 | 2519 | case T_INT: |
duke@435 | 2520 | box->int_field_put(value_offset, value->i); |
jrose@567 | 2521 | break; |
jrose@567 | 2522 | case T_LONG: |
kvn@600 | 2523 | box->long_field_put(long_value_offset, value->j); |
jrose@567 | 2524 | break; |
jrose@567 | 2525 | default: |
jrose@567 | 2526 | return T_ILLEGAL; |
jrose@567 | 2527 | } // end switch |
jrose@567 | 2528 | return type; |
duke@435 | 2529 | } |
duke@435 | 2530 | |
duke@435 | 2531 | |
jrose@1100 | 2532 | void java_lang_boxing_object::print(BasicType type, jvalue* value, outputStream* st) { |
jrose@1100 | 2533 | switch (type) { |
jrose@1100 | 2534 | case T_BOOLEAN: st->print("%s", value->z ? "true" : "false"); break; |
jrose@1100 | 2535 | case T_CHAR: st->print("%d", value->c); break; |
jrose@1100 | 2536 | case T_BYTE: st->print("%d", value->b); break; |
jrose@1100 | 2537 | case T_SHORT: st->print("%d", value->s); break; |
jrose@1100 | 2538 | case T_INT: st->print("%d", value->i); break; |
jrose@1100 | 2539 | case T_LONG: st->print(INT64_FORMAT, value->j); break; |
jrose@1100 | 2540 | case T_FLOAT: st->print("%f", value->f); break; |
jrose@1100 | 2541 | case T_DOUBLE: st->print("%lf", value->d); break; |
jrose@1100 | 2542 | default: st->print("type %d?", type); break; |
jrose@1100 | 2543 | } |
jrose@1100 | 2544 | } |
jrose@1100 | 2545 | |
jrose@1100 | 2546 | |
duke@435 | 2547 | // Support for java_lang_ref_Reference |
coleenp@4037 | 2548 | HeapWord *java_lang_ref_Reference::pending_list_lock_addr() { |
coleenp@4037 | 2549 | InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
coleenp@4037 | 2550 | address addr = ik->static_field_addr(static_lock_offset); |
coleenp@4037 | 2551 | return (HeapWord*) addr; |
coleenp@4037 | 2552 | } |
coleenp@4037 | 2553 | |
coleenp@548 | 2554 | oop java_lang_ref_Reference::pending_list_lock() { |
coleenp@4037 | 2555 | InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
never@2658 | 2556 | address addr = ik->static_field_addr(static_lock_offset); |
coleenp@548 | 2557 | if (UseCompressedOops) { |
coleenp@548 | 2558 | return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
coleenp@548 | 2559 | } else { |
coleenp@548 | 2560 | return oopDesc::load_decode_heap_oop((oop*)addr); |
coleenp@548 | 2561 | } |
duke@435 | 2562 | } |
duke@435 | 2563 | |
coleenp@548 | 2564 | HeapWord *java_lang_ref_Reference::pending_list_addr() { |
coleenp@4037 | 2565 | InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::Reference_klass()); |
never@2658 | 2566 | address addr = ik->static_field_addr(static_pending_offset); |
coleenp@548 | 2567 | // XXX This might not be HeapWord aligned, almost rather be char *. |
coleenp@548 | 2568 | return (HeapWord*)addr; |
duke@435 | 2569 | } |
duke@435 | 2570 | |
coleenp@548 | 2571 | oop java_lang_ref_Reference::pending_list() { |
coleenp@548 | 2572 | char *addr = (char *)pending_list_addr(); |
coleenp@548 | 2573 | if (UseCompressedOops) { |
coleenp@548 | 2574 | return oopDesc::load_decode_heap_oop((narrowOop *)addr); |
coleenp@548 | 2575 | } else { |
coleenp@548 | 2576 | return oopDesc::load_decode_heap_oop((oop*)addr); |
coleenp@548 | 2577 | } |
duke@435 | 2578 | } |
duke@435 | 2579 | |
duke@435 | 2580 | |
duke@435 | 2581 | // Support for java_lang_ref_SoftReference |
duke@435 | 2582 | |
duke@435 | 2583 | jlong java_lang_ref_SoftReference::timestamp(oop ref) { |
duke@435 | 2584 | return ref->long_field(timestamp_offset); |
duke@435 | 2585 | } |
duke@435 | 2586 | |
duke@435 | 2587 | jlong java_lang_ref_SoftReference::clock() { |
coleenp@4037 | 2588 | InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass()); |
never@2658 | 2589 | jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset); |
never@2658 | 2590 | return *offset; |
duke@435 | 2591 | } |
duke@435 | 2592 | |
duke@435 | 2593 | void java_lang_ref_SoftReference::set_clock(jlong value) { |
coleenp@4037 | 2594 | InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::SoftReference_klass()); |
never@2658 | 2595 | jlong* offset = (jlong*)ik->static_field_addr(static_clock_offset); |
never@2658 | 2596 | *offset = value; |
duke@435 | 2597 | } |
duke@435 | 2598 | |
sspitsyn@5496 | 2599 | // Support for java_lang_invoke_DirectMethodHandle |
sspitsyn@5496 | 2600 | |
sspitsyn@5496 | 2601 | int java_lang_invoke_DirectMethodHandle::_member_offset; |
sspitsyn@5496 | 2602 | |
sspitsyn@5496 | 2603 | oop java_lang_invoke_DirectMethodHandle::member(oop dmh) { |
sspitsyn@5496 | 2604 | oop member_name = NULL; |
sspitsyn@5496 | 2605 | bool is_dmh = dmh->is_oop() && java_lang_invoke_DirectMethodHandle::is_instance(dmh); |
sspitsyn@5496 | 2606 | assert(is_dmh, "a DirectMethodHandle oop is expected"); |
sspitsyn@5496 | 2607 | if (is_dmh) { |
sspitsyn@5496 | 2608 | member_name = dmh->obj_field(member_offset_in_bytes()); |
sspitsyn@5496 | 2609 | } |
sspitsyn@5496 | 2610 | return member_name; |
sspitsyn@5496 | 2611 | } |
sspitsyn@5496 | 2612 | |
sspitsyn@5496 | 2613 | void java_lang_invoke_DirectMethodHandle::compute_offsets() { |
sspitsyn@5496 | 2614 | Klass* klass_oop = SystemDictionary::DirectMethodHandle_klass(); |
sspitsyn@5496 | 2615 | if (klass_oop != NULL && EnableInvokeDynamic) { |
sspitsyn@5496 | 2616 | compute_offset(_member_offset, klass_oop, vmSymbols::member_name(), vmSymbols::java_lang_invoke_MemberName_signature()); |
sspitsyn@5496 | 2617 | } |
sspitsyn@5496 | 2618 | } |
duke@435 | 2619 | |
jrose@2639 | 2620 | // Support for java_lang_invoke_MethodHandle |
jrose@2639 | 2621 | |
jrose@2639 | 2622 | int java_lang_invoke_MethodHandle::_type_offset; |
twisti@3969 | 2623 | int java_lang_invoke_MethodHandle::_form_offset; |
jrose@2639 | 2624 | |
jrose@2639 | 2625 | int java_lang_invoke_MemberName::_clazz_offset; |
jrose@2639 | 2626 | int java_lang_invoke_MemberName::_name_offset; |
jrose@2639 | 2627 | int java_lang_invoke_MemberName::_type_offset; |
jrose@2639 | 2628 | int java_lang_invoke_MemberName::_flags_offset; |
jrose@2639 | 2629 | int java_lang_invoke_MemberName::_vmtarget_offset; |
coleenp@4037 | 2630 | int java_lang_invoke_MemberName::_vmloader_offset; |
jrose@2639 | 2631 | int java_lang_invoke_MemberName::_vmindex_offset; |
jrose@2639 | 2632 | |
twisti@3969 | 2633 | int java_lang_invoke_LambdaForm::_vmentry_offset; |
never@3105 | 2634 | |
jrose@2639 | 2635 | void java_lang_invoke_MethodHandle::compute_offsets() { |
coleenp@4037 | 2636 | Klass* klass_oop = SystemDictionary::MethodHandle_klass(); |
never@3137 | 2637 | if (klass_oop != NULL && EnableInvokeDynamic) { |
twisti@3969 | 2638 | compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::java_lang_invoke_MethodType_signature()); |
twisti@3969 | 2639 | compute_optional_offset(_form_offset, klass_oop, vmSymbols::form_name(), vmSymbols::java_lang_invoke_LambdaForm_signature()); |
twisti@3969 | 2640 | if (_form_offset == 0) { |
twisti@3969 | 2641 | EnableInvokeDynamic = false; |
twisti@3969 | 2642 | } |
jrose@1145 | 2643 | } |
jrose@1145 | 2644 | } |
jrose@1145 | 2645 | |
jrose@2639 | 2646 | void java_lang_invoke_MemberName::compute_offsets() { |
coleenp@4037 | 2647 | Klass* klass_oop = SystemDictionary::MemberName_klass(); |
never@3137 | 2648 | if (klass_oop != NULL && EnableInvokeDynamic) { |
never@3137 | 2649 | compute_offset(_clazz_offset, klass_oop, vmSymbols::clazz_name(), vmSymbols::class_signature()); |
never@3137 | 2650 | compute_offset(_name_offset, klass_oop, vmSymbols::name_name(), vmSymbols::string_signature()); |
never@3137 | 2651 | compute_offset(_type_offset, klass_oop, vmSymbols::type_name(), vmSymbols::object_signature()); |
never@3137 | 2652 | compute_offset(_flags_offset, klass_oop, vmSymbols::flags_name(), vmSymbols::int_signature()); |
never@3137 | 2653 | MEMBERNAME_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
jrose@1145 | 2654 | } |
jrose@1145 | 2655 | } |
jrose@1145 | 2656 | |
twisti@3969 | 2657 | void java_lang_invoke_LambdaForm::compute_offsets() { |
coleenp@4037 | 2658 | Klass* klass_oop = SystemDictionary::LambdaForm_klass(); |
twisti@3969 | 2659 | if (klass_oop != NULL && EnableInvokeDynamic) { |
twisti@3969 | 2660 | compute_offset(_vmentry_offset, klass_oop, vmSymbols::vmentry_name(), vmSymbols::java_lang_invoke_MemberName_signature()); |
jrose@1145 | 2661 | } |
jrose@1145 | 2662 | } |
jrose@1145 | 2663 | |
jrose@2639 | 2664 | oop java_lang_invoke_MethodHandle::type(oop mh) { |
jrose@1145 | 2665 | return mh->obj_field(_type_offset); |
jrose@1145 | 2666 | } |
jrose@1145 | 2667 | |
jrose@2639 | 2668 | void java_lang_invoke_MethodHandle::set_type(oop mh, oop mtype) { |
jrose@1145 | 2669 | mh->obj_field_put(_type_offset, mtype); |
jrose@1145 | 2670 | } |
jrose@1145 | 2671 | |
twisti@3969 | 2672 | oop java_lang_invoke_MethodHandle::form(oop mh) { |
twisti@3969 | 2673 | assert(_form_offset != 0, ""); |
twisti@3969 | 2674 | return mh->obj_field(_form_offset); |
jrose@1145 | 2675 | } |
jrose@1145 | 2676 | |
twisti@3969 | 2677 | void java_lang_invoke_MethodHandle::set_form(oop mh, oop lform) { |
twisti@3969 | 2678 | assert(_form_offset != 0, ""); |
twisti@3969 | 2679 | mh->obj_field_put(_form_offset, lform); |
jrose@1145 | 2680 | } |
jrose@1145 | 2681 | |
jrose@1145 | 2682 | /// MemberName accessors |
jrose@1145 | 2683 | |
jrose@2639 | 2684 | oop java_lang_invoke_MemberName::clazz(oop mname) { |
jrose@1145 | 2685 | assert(is_instance(mname), "wrong type"); |
jrose@1145 | 2686 | return mname->obj_field(_clazz_offset); |
jrose@1145 | 2687 | } |
jrose@1145 | 2688 | |
jrose@2639 | 2689 | void java_lang_invoke_MemberName::set_clazz(oop mname, oop clazz) { |
jrose@1145 | 2690 | assert(is_instance(mname), "wrong type"); |
jrose@1145 | 2691 | mname->obj_field_put(_clazz_offset, clazz); |
jrose@1145 | 2692 | } |
jrose@1145 | 2693 | |
jrose@2639 | 2694 | oop java_lang_invoke_MemberName::name(oop mname) { |
jrose@1145 | 2695 | assert(is_instance(mname), "wrong type"); |
jrose@1145 | 2696 | return mname->obj_field(_name_offset); |
jrose@1145 | 2697 | } |
jrose@1145 | 2698 | |
jrose@2639 | 2699 | void java_lang_invoke_MemberName::set_name(oop mname, oop name) { |
jrose@1145 | 2700 | assert(is_instance(mname), "wrong type"); |
jrose@1145 | 2701 | mname->obj_field_put(_name_offset, name); |
jrose@1145 | 2702 | } |
jrose@1145 | 2703 | |
jrose@2639 | 2704 | oop java_lang_invoke_MemberName::type(oop mname) { |
jrose@1145 | 2705 | assert(is_instance(mname), "wrong type"); |
jrose@1145 | 2706 | return mname->obj_field(_type_offset); |
jrose@1145 | 2707 | } |
jrose@1145 | 2708 | |
jrose@2639 | 2709 | void java_lang_invoke_MemberName::set_type(oop mname, oop type) { |
jrose@1145 | 2710 | assert(is_instance(mname), "wrong type"); |
jrose@1145 | 2711 | mname->obj_field_put(_type_offset, type); |
jrose@1145 | 2712 | } |
jrose@1145 | 2713 | |
jrose@2639 | 2714 | int java_lang_invoke_MemberName::flags(oop mname) { |
jrose@1145 | 2715 | assert(is_instance(mname), "wrong type"); |
jrose@1145 | 2716 | return mname->int_field(_flags_offset); |
jrose@1145 | 2717 | } |
jrose@1145 | 2718 | |
jrose@2639 | 2719 | void java_lang_invoke_MemberName::set_flags(oop mname, int flags) { |
jrose@1145 | 2720 | assert(is_instance(mname), "wrong type"); |
jrose@1145 | 2721 | mname->int_field_put(_flags_offset, flags); |
jrose@1145 | 2722 | } |
jrose@1145 | 2723 | |
coleenp@4037 | 2724 | Metadata* java_lang_invoke_MemberName::vmtarget(oop mname) { |
jrose@1145 | 2725 | assert(is_instance(mname), "wrong type"); |
coleenp@4037 | 2726 | return (Metadata*)mname->address_field(_vmtarget_offset); |
jrose@1145 | 2727 | } |
jrose@1145 | 2728 | |
sspitsyn@4965 | 2729 | #if INCLUDE_JVMTI |
sspitsyn@4965 | 2730 | // Can be executed on VM thread only |
sspitsyn@4965 | 2731 | void java_lang_invoke_MemberName::adjust_vmtarget(oop mname, Metadata* ref) { |
sspitsyn@4965 | 2732 | assert((is_instance(mname) && (flags(mname) & (MN_IS_METHOD | MN_IS_CONSTRUCTOR)) > 0), "wrong type"); |
sspitsyn@4965 | 2733 | assert(Thread::current()->is_VM_thread(), "not VM thread"); |
sspitsyn@4965 | 2734 | mname->address_field_put(_vmtarget_offset, (address)ref); |
sspitsyn@4965 | 2735 | } |
sspitsyn@4965 | 2736 | #endif // INCLUDE_JVMTI |
sspitsyn@4965 | 2737 | |
coleenp@4037 | 2738 | void java_lang_invoke_MemberName::set_vmtarget(oop mname, Metadata* ref) { |
jrose@1145 | 2739 | assert(is_instance(mname), "wrong type"); |
twisti@3969 | 2740 | // check the type of the vmtarget |
coleenp@4304 | 2741 | oop dependency = NULL; |
twisti@3969 | 2742 | if (ref != NULL) { |
twisti@3969 | 2743 | switch (flags(mname) & (MN_IS_METHOD | |
twisti@3969 | 2744 | MN_IS_CONSTRUCTOR | |
twisti@3969 | 2745 | MN_IS_FIELD)) { |
twisti@3969 | 2746 | case MN_IS_METHOD: |
twisti@3969 | 2747 | case MN_IS_CONSTRUCTOR: |
twisti@3969 | 2748 | assert(ref->is_method(), "should be a method"); |
coleenp@4304 | 2749 | dependency = ((Method*)ref)->method_holder()->java_mirror(); |
twisti@3969 | 2750 | break; |
twisti@3969 | 2751 | case MN_IS_FIELD: |
twisti@3969 | 2752 | assert(ref->is_klass(), "should be a class"); |
coleenp@4304 | 2753 | dependency = ((Klass*)ref)->java_mirror(); |
twisti@3969 | 2754 | break; |
twisti@3969 | 2755 | default: |
twisti@3969 | 2756 | ShouldNotReachHere(); |
twisti@3969 | 2757 | } |
twisti@3969 | 2758 | } |
coleenp@4037 | 2759 | mname->address_field_put(_vmtarget_offset, (address)ref); |
coleenp@4304 | 2760 | // Add a reference to the loader (actually mirror because anonymous classes will not have |
coleenp@4304 | 2761 | // distinct loaders) to ensure the metadata is kept alive |
coleenp@4304 | 2762 | // This mirror may be different than the one in clazz field. |
coleenp@4304 | 2763 | mname->obj_field_put(_vmloader_offset, dependency); |
jrose@1145 | 2764 | } |
jrose@1145 | 2765 | |
twisti@3969 | 2766 | intptr_t java_lang_invoke_MemberName::vmindex(oop mname) { |
jrose@1145 | 2767 | assert(is_instance(mname), "wrong type"); |
twisti@3969 | 2768 | return (intptr_t) mname->address_field(_vmindex_offset); |
jrose@1145 | 2769 | } |
jrose@1145 | 2770 | |
twisti@3969 | 2771 | void java_lang_invoke_MemberName::set_vmindex(oop mname, intptr_t index) { |
jrose@1145 | 2772 | assert(is_instance(mname), "wrong type"); |
twisti@3969 | 2773 | mname->address_field_put(_vmindex_offset, (address) index); |
jrose@1145 | 2774 | } |
jrose@1145 | 2775 | |
twisti@3969 | 2776 | oop java_lang_invoke_LambdaForm::vmentry(oop lform) { |
twisti@3969 | 2777 | assert(is_instance(lform), "wrong type"); |
twisti@3969 | 2778 | return lform->obj_field(_vmentry_offset); |
jrose@1145 | 2779 | } |
jrose@1145 | 2780 | |
jrose@1145 | 2781 | |
jrose@2639 | 2782 | // Support for java_lang_invoke_MethodType |
jrose@2639 | 2783 | |
jrose@2639 | 2784 | int java_lang_invoke_MethodType::_rtype_offset; |
jrose@2639 | 2785 | int java_lang_invoke_MethodType::_ptypes_offset; |
jrose@2639 | 2786 | |
jrose@2639 | 2787 | void java_lang_invoke_MethodType::compute_offsets() { |
coleenp@4037 | 2788 | Klass* k = SystemDictionary::MethodType_klass(); |
jrose@1145 | 2789 | if (k != NULL) { |
jrose@1145 | 2790 | compute_offset(_rtype_offset, k, vmSymbols::rtype_name(), vmSymbols::class_signature()); |
jrose@1145 | 2791 | compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature()); |
jrose@1145 | 2792 | } |
jrose@1145 | 2793 | } |
jrose@1145 | 2794 | |
jrose@2639 | 2795 | void java_lang_invoke_MethodType::print_signature(oop mt, outputStream* st) { |
jrose@1145 | 2796 | st->print("("); |
jrose@1145 | 2797 | objArrayOop pts = ptypes(mt); |
jrose@1145 | 2798 | for (int i = 0, limit = pts->length(); i < limit; i++) { |
jrose@1145 | 2799 | java_lang_Class::print_signature(pts->obj_at(i), st); |
jrose@1145 | 2800 | } |
jrose@1145 | 2801 | st->print(")"); |
jrose@1145 | 2802 | java_lang_Class::print_signature(rtype(mt), st); |
jrose@1145 | 2803 | } |
jrose@1145 | 2804 | |
jrose@2639 | 2805 | Symbol* java_lang_invoke_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) { |
jrose@1145 | 2806 | ResourceMark rm; |
jrose@1145 | 2807 | stringStream buffer(128); |
jrose@1145 | 2808 | print_signature(mt, &buffer); |
jrose@1145 | 2809 | const char* sigstr = buffer.base(); |
jrose@1145 | 2810 | int siglen = (int) buffer.size(); |
coleenp@2497 | 2811 | Symbol *name; |
coleenp@2497 | 2812 | if (!intern_if_not_found) { |
coleenp@2497 | 2813 | name = SymbolTable::probe(sigstr, siglen); |
coleenp@2497 | 2814 | } else { |
coleenp@2497 | 2815 | name = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
coleenp@2497 | 2816 | } |
coleenp@2497 | 2817 | return name; |
jrose@1145 | 2818 | } |
jrose@1145 | 2819 | |
jrose@2982 | 2820 | bool java_lang_invoke_MethodType::equals(oop mt1, oop mt2) { |
twisti@3969 | 2821 | if (mt1 == mt2) |
twisti@3969 | 2822 | return true; |
jrose@2982 | 2823 | if (rtype(mt1) != rtype(mt2)) |
jrose@2982 | 2824 | return false; |
jrose@2982 | 2825 | if (ptype_count(mt1) != ptype_count(mt2)) |
jrose@2982 | 2826 | return false; |
jrose@2982 | 2827 | for (int i = ptype_count(mt1) - 1; i >= 0; i--) { |
jrose@2982 | 2828 | if (ptype(mt1, i) != ptype(mt2, i)) |
jrose@2982 | 2829 | return false; |
jrose@2982 | 2830 | } |
jrose@2982 | 2831 | return true; |
jrose@2982 | 2832 | } |
jrose@2982 | 2833 | |
jrose@2639 | 2834 | oop java_lang_invoke_MethodType::rtype(oop mt) { |
jrose@1145 | 2835 | assert(is_instance(mt), "must be a MethodType"); |
jrose@1145 | 2836 | return mt->obj_field(_rtype_offset); |
jrose@1145 | 2837 | } |
jrose@1145 | 2838 | |
jrose@2639 | 2839 | objArrayOop java_lang_invoke_MethodType::ptypes(oop mt) { |
jrose@1145 | 2840 | assert(is_instance(mt), "must be a MethodType"); |
jrose@1145 | 2841 | return (objArrayOop) mt->obj_field(_ptypes_offset); |
jrose@1145 | 2842 | } |
jrose@1145 | 2843 | |
jrose@2639 | 2844 | oop java_lang_invoke_MethodType::ptype(oop mt, int idx) { |
jrose@1145 | 2845 | return ptypes(mt)->obj_at(idx); |
jrose@1145 | 2846 | } |
jrose@1145 | 2847 | |
jrose@2639 | 2848 | int java_lang_invoke_MethodType::ptype_count(oop mt) { |
twisti@1568 | 2849 | return ptypes(mt)->length(); |
twisti@1568 | 2850 | } |
twisti@1568 | 2851 | |
twisti@3969 | 2852 | int java_lang_invoke_MethodType::ptype_slot_count(oop mt) { |
twisti@3969 | 2853 | objArrayOop pts = ptypes(mt); |
twisti@3969 | 2854 | int count = pts->length(); |
twisti@3969 | 2855 | int slots = 0; |
twisti@3969 | 2856 | for (int i = 0; i < count; i++) { |
twisti@3969 | 2857 | BasicType bt = java_lang_Class::as_BasicType(pts->obj_at(i)); |
twisti@3969 | 2858 | slots += type2size[bt]; |
jrose@1145 | 2859 | } |
twisti@3969 | 2860 | return slots; |
jrose@1145 | 2861 | } |
jrose@1145 | 2862 | |
twisti@3969 | 2863 | int java_lang_invoke_MethodType::rtype_slot_count(oop mt) { |
twisti@3969 | 2864 | BasicType bt = java_lang_Class::as_BasicType(rtype(mt)); |
twisti@3969 | 2865 | return type2size[bt]; |
jrose@2148 | 2866 | } |
jrose@2148 | 2867 | |
jrose@1145 | 2868 | |
jrose@2639 | 2869 | // Support for java_lang_invoke_CallSite |
jrose@2639 | 2870 | |
jrose@2639 | 2871 | int java_lang_invoke_CallSite::_target_offset; |
jrose@2639 | 2872 | |
jrose@2639 | 2873 | void java_lang_invoke_CallSite::compute_offsets() { |
jrose@1161 | 2874 | if (!EnableInvokeDynamic) return; |
coleenp@4037 | 2875 | Klass* k = SystemDictionary::CallSite_klass(); |
jrose@1161 | 2876 | if (k != NULL) { |
jrose@2639 | 2877 | compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature()); |
jrose@1161 | 2878 | } |
jrose@1161 | 2879 | } |
jrose@1161 | 2880 | |
jrose@1145 | 2881 | |
duke@435 | 2882 | // Support for java_security_AccessControlContext |
duke@435 | 2883 | |
duke@435 | 2884 | int java_security_AccessControlContext::_context_offset = 0; |
duke@435 | 2885 | int java_security_AccessControlContext::_privilegedContext_offset = 0; |
duke@435 | 2886 | int java_security_AccessControlContext::_isPrivileged_offset = 0; |
mullan@5242 | 2887 | int java_security_AccessControlContext::_isAuthorized_offset = -1; |
duke@435 | 2888 | |
duke@435 | 2889 | void java_security_AccessControlContext::compute_offsets() { |
duke@435 | 2890 | assert(_isPrivileged_offset == 0, "offsets should be initialized only once"); |
duke@435 | 2891 | fieldDescriptor fd; |
coleenp@4037 | 2892 | InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass()); |
duke@435 | 2893 | |
duke@435 | 2894 | if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) { |
duke@435 | 2895 | fatal("Invalid layout of java.security.AccessControlContext"); |
duke@435 | 2896 | } |
duke@435 | 2897 | _context_offset = fd.offset(); |
duke@435 | 2898 | |
duke@435 | 2899 | if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) { |
duke@435 | 2900 | fatal("Invalid layout of java.security.AccessControlContext"); |
duke@435 | 2901 | } |
duke@435 | 2902 | _privilegedContext_offset = fd.offset(); |
duke@435 | 2903 | |
duke@435 | 2904 | if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) { |
duke@435 | 2905 | fatal("Invalid layout of java.security.AccessControlContext"); |
duke@435 | 2906 | } |
duke@435 | 2907 | _isPrivileged_offset = fd.offset(); |
mullan@5242 | 2908 | |
mullan@5242 | 2909 | // The offset may not be present for bootstrapping with older JDK. |
mullan@5242 | 2910 | if (ik->find_local_field(vmSymbols::isAuthorized_name(), vmSymbols::bool_signature(), &fd)) { |
mullan@5242 | 2911 | _isAuthorized_offset = fd.offset(); |
mullan@5242 | 2912 | } |
hseigel@4987 | 2913 | } |
hseigel@4987 | 2914 | |
hseigel@4987 | 2915 | |
mullan@5242 | 2916 | bool java_security_AccessControlContext::is_authorized(Handle context) { |
mullan@5242 | 2917 | assert(context.not_null() && context->klass() == SystemDictionary::AccessControlContext_klass(), "Invalid type"); |
mullan@5242 | 2918 | assert(_isAuthorized_offset != -1, "should be set"); |
mullan@5242 | 2919 | return context->bool_field(_isAuthorized_offset) != 0; |
mullan@5242 | 2920 | } |
duke@435 | 2921 | |
duke@435 | 2922 | oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) { |
duke@435 | 2923 | assert(_isPrivileged_offset != 0, "offsets should have been initialized"); |
duke@435 | 2924 | // Ensure klass is initialized |
coleenp@4037 | 2925 | InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0); |
duke@435 | 2926 | // Allocate result |
coleenp@4037 | 2927 | oop result = InstanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0); |
duke@435 | 2928 | // Fill in values |
duke@435 | 2929 | result->obj_field_put(_context_offset, context()); |
duke@435 | 2930 | result->obj_field_put(_privilegedContext_offset, privileged_context()); |
duke@435 | 2931 | result->bool_field_put(_isPrivileged_offset, isPrivileged); |
mullan@5243 | 2932 | // whitelist AccessControlContexts created by the JVM if present |
mullan@5243 | 2933 | if (_isAuthorized_offset != -1) { |
mullan@5243 | 2934 | result->bool_field_put(_isAuthorized_offset, true); |
mullan@5243 | 2935 | } |
duke@435 | 2936 | return result; |
duke@435 | 2937 | } |
duke@435 | 2938 | |
duke@435 | 2939 | |
duke@435 | 2940 | // Support for java_lang_ClassLoader |
coleenp@4037 | 2941 | |
never@3137 | 2942 | bool java_lang_ClassLoader::offsets_computed = false; |
coleenp@4037 | 2943 | int java_lang_ClassLoader::_loader_data_offset = -1; |
never@3137 | 2944 | int java_lang_ClassLoader::parallelCapable_offset = -1; |
never@3137 | 2945 | |
coleenp@4037 | 2946 | ClassLoaderData** java_lang_ClassLoader::loader_data_addr(oop loader) { |
coleenp@4037 | 2947 | assert(loader != NULL && loader->is_oop(), "loader must be oop"); |
coleenp@4037 | 2948 | return (ClassLoaderData**) loader->address_field_addr(_loader_data_offset); |
coleenp@4037 | 2949 | } |
coleenp@4037 | 2950 | |
coleenp@4037 | 2951 | ClassLoaderData* java_lang_ClassLoader::loader_data(oop loader) { |
coleenp@4037 | 2952 | return *java_lang_ClassLoader::loader_data_addr(loader); |
coleenp@4037 | 2953 | } |
coleenp@4037 | 2954 | |
never@3137 | 2955 | void java_lang_ClassLoader::compute_offsets() { |
never@3137 | 2956 | assert(!offsets_computed, "offsets should be initialized only once"); |
never@3137 | 2957 | offsets_computed = true; |
never@3137 | 2958 | |
never@3137 | 2959 | // The field indicating parallelCapable (parallelLockMap) is only present starting in 7, |
coleenp@4037 | 2960 | Klass* k1 = SystemDictionary::ClassLoader_klass(); |
never@3137 | 2961 | compute_optional_offset(parallelCapable_offset, |
never@3137 | 2962 | k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature()); |
coleenp@4037 | 2963 | |
coleenp@4037 | 2964 | CLASSLOADER_INJECTED_FIELDS(INJECTED_FIELD_COMPUTE_OFFSET); |
never@3137 | 2965 | } |
duke@435 | 2966 | |
duke@435 | 2967 | oop java_lang_ClassLoader::parent(oop loader) { |
twisti@3969 | 2968 | assert(is_instance(loader), "loader must be oop"); |
duke@435 | 2969 | return loader->obj_field(parent_offset); |
duke@435 | 2970 | } |
duke@435 | 2971 | |
twisti@3969 | 2972 | bool java_lang_ClassLoader::isAncestor(oop loader, oop cl) { |
twisti@3969 | 2973 | assert(is_instance(loader), "loader must be oop"); |
twisti@3969 | 2974 | assert(cl == NULL || is_instance(cl), "cl argument must be oop"); |
twisti@3969 | 2975 | oop acl = loader; |
twisti@3969 | 2976 | debug_only(jint loop_count = 0); |
twisti@3969 | 2977 | // This loop taken verbatim from ClassLoader.java: |
twisti@3969 | 2978 | do { |
twisti@3969 | 2979 | acl = parent(acl); |
twisti@3969 | 2980 | if (cl == acl) { |
twisti@3969 | 2981 | return true; |
twisti@3969 | 2982 | } |
twisti@3969 | 2983 | assert(++loop_count > 0, "loop_count overflow"); |
twisti@3969 | 2984 | } while (acl != NULL); |
twisti@3969 | 2985 | return false; |
twisti@3969 | 2986 | } |
twisti@3969 | 2987 | |
duke@435 | 2988 | |
never@3137 | 2989 | // For class loader classes, parallelCapable defined |
never@3137 | 2990 | // based on non-null field |
never@3137 | 2991 | // Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it |
never@3137 | 2992 | bool java_lang_ClassLoader::parallelCapable(oop class_loader) { |
never@3137 | 2993 | if (!JDK_Version::is_gte_jdk17x_version() |
never@3137 | 2994 | || parallelCapable_offset == -1) { |
never@3137 | 2995 | // Default for backward compatibility is false |
never@3137 | 2996 | return false; |
never@3137 | 2997 | } |
never@3137 | 2998 | return (class_loader->obj_field(parallelCapable_offset) != NULL); |
never@3137 | 2999 | } |
never@3137 | 3000 | |
duke@435 | 3001 | bool java_lang_ClassLoader::is_trusted_loader(oop loader) { |
duke@435 | 3002 | // Fix for 4474172; see evaluation for more details |
duke@435 | 3003 | loader = non_reflection_class_loader(loader); |
duke@435 | 3004 | |
duke@435 | 3005 | oop cl = SystemDictionary::java_system_loader(); |
duke@435 | 3006 | while(cl != NULL) { |
duke@435 | 3007 | if (cl == loader) return true; |
duke@435 | 3008 | cl = parent(cl); |
duke@435 | 3009 | } |
duke@435 | 3010 | return false; |
duke@435 | 3011 | } |
duke@435 | 3012 | |
duke@435 | 3013 | oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) { |
duke@435 | 3014 | if (loader != NULL) { |
duke@435 | 3015 | // See whether this is one of the class loaders associated with |
duke@435 | 3016 | // the generated bytecodes for reflection, and if so, "magically" |
duke@435 | 3017 | // delegate to its parent to prevent class loading from occurring |
duke@435 | 3018 | // in places where applications using reflection didn't expect it. |
coleenp@4037 | 3019 | Klass* delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass(); |
duke@435 | 3020 | // This might be null in non-1.4 JDKs |
duke@435 | 3021 | if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) { |
duke@435 | 3022 | return parent(loader); |
duke@435 | 3023 | } |
duke@435 | 3024 | } |
duke@435 | 3025 | return loader; |
duke@435 | 3026 | } |
duke@435 | 3027 | |
duke@435 | 3028 | |
duke@435 | 3029 | // Support for java_lang_System |
never@2658 | 3030 | int java_lang_System::in_offset_in_bytes() { |
coleenp@4047 | 3031 | return (InstanceMirrorKlass::offset_of_static_fields() + static_in_offset); |
duke@435 | 3032 | } |
duke@435 | 3033 | |
never@2658 | 3034 | |
never@2658 | 3035 | int java_lang_System::out_offset_in_bytes() { |
coleenp@4047 | 3036 | return (InstanceMirrorKlass::offset_of_static_fields() + static_out_offset); |
duke@435 | 3037 | } |
duke@435 | 3038 | |
duke@435 | 3039 | |
duke@435 | 3040 | int java_lang_System::err_offset_in_bytes() { |
coleenp@4047 | 3041 | return (InstanceMirrorKlass::offset_of_static_fields() + static_err_offset); |
duke@435 | 3042 | } |
duke@435 | 3043 | |
duke@435 | 3044 | |
mullan@5242 | 3045 | bool java_lang_System::has_security_manager() { |
mullan@5242 | 3046 | InstanceKlass* ik = InstanceKlass::cast(SystemDictionary::System_klass()); |
mullan@5242 | 3047 | address addr = ik->static_field_addr(static_security_offset); |
mullan@5242 | 3048 | if (UseCompressedOops) { |
mullan@5242 | 3049 | return oopDesc::load_decode_heap_oop((narrowOop *)addr) != NULL; |
mullan@5242 | 3050 | } else { |
mullan@5242 | 3051 | return oopDesc::load_decode_heap_oop((oop*)addr) != NULL; |
mullan@5242 | 3052 | } |
mullan@5242 | 3053 | } |
duke@435 | 3054 | |
never@3137 | 3055 | int java_lang_Class::_klass_offset; |
never@3137 | 3056 | int java_lang_Class::_array_klass_offset; |
never@3137 | 3057 | int java_lang_Class::_oop_size_offset; |
never@3137 | 3058 | int java_lang_Class::_static_oop_field_count_offset; |
coleenp@5176 | 3059 | int java_lang_Class::_protection_domain_offset; |
coleenp@5176 | 3060 | int java_lang_Class::_init_lock_offset; |
coleenp@5176 | 3061 | int java_lang_Class::_signers_offset; |
coleenp@4037 | 3062 | GrowableArray<Klass*>* java_lang_Class::_fixup_mirror_list = NULL; |
duke@435 | 3063 | int java_lang_Throwable::backtrace_offset; |
duke@435 | 3064 | int java_lang_Throwable::detailMessage_offset; |
duke@435 | 3065 | int java_lang_Throwable::cause_offset; |
duke@435 | 3066 | int java_lang_Throwable::stackTrace_offset; |
dholmes@3018 | 3067 | int java_lang_Throwable::static_unassigned_stacktrace_offset; |
duke@435 | 3068 | int java_lang_reflect_AccessibleObject::override_offset; |
duke@435 | 3069 | int java_lang_reflect_Method::clazz_offset; |
duke@435 | 3070 | int java_lang_reflect_Method::name_offset; |
duke@435 | 3071 | int java_lang_reflect_Method::returnType_offset; |
duke@435 | 3072 | int java_lang_reflect_Method::parameterTypes_offset; |
duke@435 | 3073 | int java_lang_reflect_Method::exceptionTypes_offset; |
duke@435 | 3074 | int java_lang_reflect_Method::slot_offset; |
duke@435 | 3075 | int java_lang_reflect_Method::modifiers_offset; |
duke@435 | 3076 | int java_lang_reflect_Method::signature_offset; |
duke@435 | 3077 | int java_lang_reflect_Method::annotations_offset; |
duke@435 | 3078 | int java_lang_reflect_Method::parameter_annotations_offset; |
duke@435 | 3079 | int java_lang_reflect_Method::annotation_default_offset; |
stefank@4393 | 3080 | int java_lang_reflect_Method::type_annotations_offset; |
duke@435 | 3081 | int java_lang_reflect_Constructor::clazz_offset; |
duke@435 | 3082 | int java_lang_reflect_Constructor::parameterTypes_offset; |
duke@435 | 3083 | int java_lang_reflect_Constructor::exceptionTypes_offset; |
duke@435 | 3084 | int java_lang_reflect_Constructor::slot_offset; |
duke@435 | 3085 | int java_lang_reflect_Constructor::modifiers_offset; |
duke@435 | 3086 | int java_lang_reflect_Constructor::signature_offset; |
duke@435 | 3087 | int java_lang_reflect_Constructor::annotations_offset; |
duke@435 | 3088 | int java_lang_reflect_Constructor::parameter_annotations_offset; |
stefank@4393 | 3089 | int java_lang_reflect_Constructor::type_annotations_offset; |
duke@435 | 3090 | int java_lang_reflect_Field::clazz_offset; |
duke@435 | 3091 | int java_lang_reflect_Field::name_offset; |
duke@435 | 3092 | int java_lang_reflect_Field::type_offset; |
duke@435 | 3093 | int java_lang_reflect_Field::slot_offset; |
duke@435 | 3094 | int java_lang_reflect_Field::modifiers_offset; |
duke@435 | 3095 | int java_lang_reflect_Field::signature_offset; |
duke@435 | 3096 | int java_lang_reflect_Field::annotations_offset; |
stefank@4393 | 3097 | int java_lang_reflect_Field::type_annotations_offset; |
coleenp@4398 | 3098 | int java_lang_reflect_Parameter::name_offset; |
coleenp@4398 | 3099 | int java_lang_reflect_Parameter::modifiers_offset; |
coleenp@4398 | 3100 | int java_lang_reflect_Parameter::index_offset; |
coleenp@4398 | 3101 | int java_lang_reflect_Parameter::executable_offset; |
duke@435 | 3102 | int java_lang_boxing_object::value_offset; |
kvn@600 | 3103 | int java_lang_boxing_object::long_value_offset; |
duke@435 | 3104 | int java_lang_ref_Reference::referent_offset; |
duke@435 | 3105 | int java_lang_ref_Reference::queue_offset; |
duke@435 | 3106 | int java_lang_ref_Reference::next_offset; |
duke@435 | 3107 | int java_lang_ref_Reference::discovered_offset; |
duke@435 | 3108 | int java_lang_ref_Reference::static_lock_offset; |
duke@435 | 3109 | int java_lang_ref_Reference::static_pending_offset; |
duke@435 | 3110 | int java_lang_ref_Reference::number_of_fake_oop_fields; |
duke@435 | 3111 | int java_lang_ref_SoftReference::timestamp_offset; |
duke@435 | 3112 | int java_lang_ref_SoftReference::static_clock_offset; |
duke@435 | 3113 | int java_lang_ClassLoader::parent_offset; |
duke@435 | 3114 | int java_lang_System::static_in_offset; |
duke@435 | 3115 | int java_lang_System::static_out_offset; |
duke@435 | 3116 | int java_lang_System::static_err_offset; |
mullan@5242 | 3117 | int java_lang_System::static_security_offset; |
duke@435 | 3118 | int java_lang_StackTraceElement::declaringClass_offset; |
duke@435 | 3119 | int java_lang_StackTraceElement::methodName_offset; |
duke@435 | 3120 | int java_lang_StackTraceElement::fileName_offset; |
duke@435 | 3121 | int java_lang_StackTraceElement::lineNumber_offset; |
duke@435 | 3122 | int java_lang_AssertionStatusDirectives::classes_offset; |
duke@435 | 3123 | int java_lang_AssertionStatusDirectives::classEnabled_offset; |
duke@435 | 3124 | int java_lang_AssertionStatusDirectives::packages_offset; |
duke@435 | 3125 | int java_lang_AssertionStatusDirectives::packageEnabled_offset; |
duke@435 | 3126 | int java_lang_AssertionStatusDirectives::deflt_offset; |
duke@435 | 3127 | int java_nio_Buffer::_limit_offset; |
duke@435 | 3128 | int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; |
coleenp@4037 | 3129 | int sun_reflect_ConstantPool::_oop_offset; |
duke@435 | 3130 | int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; |
duke@435 | 3131 | |
duke@435 | 3132 | |
duke@435 | 3133 | // Support for java_lang_StackTraceElement |
duke@435 | 3134 | |
duke@435 | 3135 | void java_lang_StackTraceElement::set_fileName(oop element, oop value) { |
duke@435 | 3136 | element->obj_field_put(fileName_offset, value); |
duke@435 | 3137 | } |
duke@435 | 3138 | |
duke@435 | 3139 | void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) { |
duke@435 | 3140 | element->obj_field_put(declaringClass_offset, value); |
duke@435 | 3141 | } |
duke@435 | 3142 | |
duke@435 | 3143 | void java_lang_StackTraceElement::set_methodName(oop element, oop value) { |
duke@435 | 3144 | element->obj_field_put(methodName_offset, value); |
duke@435 | 3145 | } |
duke@435 | 3146 | |
duke@435 | 3147 | void java_lang_StackTraceElement::set_lineNumber(oop element, int value) { |
duke@435 | 3148 | element->int_field_put(lineNumber_offset, value); |
duke@435 | 3149 | } |
duke@435 | 3150 | |
duke@435 | 3151 | |
duke@435 | 3152 | // Support for java Assertions - java_lang_AssertionStatusDirectives. |
duke@435 | 3153 | |
duke@435 | 3154 | void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) { |
duke@435 | 3155 | o->obj_field_put(classes_offset, val); |
duke@435 | 3156 | } |
duke@435 | 3157 | |
duke@435 | 3158 | void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) { |
duke@435 | 3159 | o->obj_field_put(classEnabled_offset, val); |
duke@435 | 3160 | } |
duke@435 | 3161 | |
duke@435 | 3162 | void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) { |
duke@435 | 3163 | o->obj_field_put(packages_offset, val); |
duke@435 | 3164 | } |
duke@435 | 3165 | |
duke@435 | 3166 | void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) { |
duke@435 | 3167 | o->obj_field_put(packageEnabled_offset, val); |
duke@435 | 3168 | } |
duke@435 | 3169 | |
duke@435 | 3170 | void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) { |
duke@435 | 3171 | o->bool_field_put(deflt_offset, val); |
duke@435 | 3172 | } |
duke@435 | 3173 | |
duke@435 | 3174 | |
duke@435 | 3175 | // Support for intrinsification of java.nio.Buffer.checkIndex |
duke@435 | 3176 | int java_nio_Buffer::limit_offset() { |
duke@435 | 3177 | return _limit_offset; |
duke@435 | 3178 | } |
duke@435 | 3179 | |
duke@435 | 3180 | |
duke@435 | 3181 | void java_nio_Buffer::compute_offsets() { |
coleenp@4037 | 3182 | Klass* k = SystemDictionary::nio_Buffer_klass(); |
jrose@567 | 3183 | assert(k != NULL, "must be loaded in 1.4+"); |
jrose@567 | 3184 | compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); |
duke@435 | 3185 | } |
duke@435 | 3186 | |
duke@435 | 3187 | void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { |
duke@435 | 3188 | if (_owner_offset != 0) return; |
duke@435 | 3189 | |
duke@435 | 3190 | assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later"); |
duke@435 | 3191 | SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK); |
coleenp@4037 | 3192 | Klass* k = SystemDictionary::abstract_ownable_synchronizer_klass(); |
jrose@567 | 3193 | compute_offset(_owner_offset, k, |
duke@435 | 3194 | vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature()); |
duke@435 | 3195 | } |
duke@435 | 3196 | |
duke@435 | 3197 | oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) { |
duke@435 | 3198 | assert(_owner_offset != 0, "Must be initialized"); |
duke@435 | 3199 | return obj->obj_field(_owner_offset); |
duke@435 | 3200 | } |
duke@435 | 3201 | |
duke@435 | 3202 | // Compute hard-coded offsets |
duke@435 | 3203 | // Invoked before SystemDictionary::initialize, so pre-loaded classes |
duke@435 | 3204 | // are not available to determine the offset_of_static_fields. |
duke@435 | 3205 | void JavaClasses::compute_hard_coded_offsets() { |
coleenp@548 | 3206 | const int x = heapOopSize; |
kvn@600 | 3207 | const int header = instanceOopDesc::base_offset_in_bytes(); |
duke@435 | 3208 | |
duke@435 | 3209 | // Throwable Class |
duke@435 | 3210 | java_lang_Throwable::backtrace_offset = java_lang_Throwable::hc_backtrace_offset * x + header; |
duke@435 | 3211 | java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header; |
duke@435 | 3212 | java_lang_Throwable::cause_offset = java_lang_Throwable::hc_cause_offset * x + header; |
duke@435 | 3213 | java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header; |
dholmes@3018 | 3214 | java_lang_Throwable::static_unassigned_stacktrace_offset = java_lang_Throwable::hc_static_unassigned_stacktrace_offset * x; |
duke@435 | 3215 | |
duke@435 | 3216 | // java_lang_boxing_object |
kvn@600 | 3217 | java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header; |
kvn@600 | 3218 | java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong); |
duke@435 | 3219 | |
duke@435 | 3220 | // java_lang_ref_Reference: |
duke@435 | 3221 | java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header; |
duke@435 | 3222 | java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header; |
duke@435 | 3223 | java_lang_ref_Reference::next_offset = java_lang_ref_Reference::hc_next_offset * x + header; |
duke@435 | 3224 | java_lang_ref_Reference::discovered_offset = java_lang_ref_Reference::hc_discovered_offset * x + header; |
duke@435 | 3225 | java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset * x; |
duke@435 | 3226 | java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x; |
duke@435 | 3227 | // Artificial fields for java_lang_ref_Reference |
duke@435 | 3228 | // The first field is for the discovered field added in 1.4 |
duke@435 | 3229 | java_lang_ref_Reference::number_of_fake_oop_fields = 1; |
duke@435 | 3230 | |
duke@435 | 3231 | // java_lang_ref_SoftReference Class |
kvn@600 | 3232 | java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong); |
duke@435 | 3233 | // Don't multiply static fields because they are always in wordSize units |
duke@435 | 3234 | java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x; |
duke@435 | 3235 | |
duke@435 | 3236 | // java_lang_ClassLoader |
duke@435 | 3237 | java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header; |
duke@435 | 3238 | |
duke@435 | 3239 | // java_lang_System |
duke@435 | 3240 | java_lang_System::static_in_offset = java_lang_System::hc_static_in_offset * x; |
duke@435 | 3241 | java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x; |
duke@435 | 3242 | java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x; |
mullan@5242 | 3243 | java_lang_System::static_security_offset = java_lang_System::hc_static_security_offset * x; |
duke@435 | 3244 | |
duke@435 | 3245 | // java_lang_StackTraceElement |
duke@435 | 3246 | java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset * x + header; |
duke@435 | 3247 | java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header; |
duke@435 | 3248 | java_lang_StackTraceElement::fileName_offset = java_lang_StackTraceElement::hc_fileName_offset * x + header; |
duke@435 | 3249 | java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header; |
duke@435 | 3250 | java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header; |
duke@435 | 3251 | java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header; |
duke@435 | 3252 | java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header; |
duke@435 | 3253 | java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header; |
duke@435 | 3254 | java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header; |
duke@435 | 3255 | |
duke@435 | 3256 | } |
duke@435 | 3257 | |
duke@435 | 3258 | |
duke@435 | 3259 | // Compute non-hard-coded field offsets of all the classes in this file |
duke@435 | 3260 | void JavaClasses::compute_offsets() { |
never@3137 | 3261 | // java_lang_Class::compute_offsets was called earlier in bootstrap |
never@3137 | 3262 | java_lang_ClassLoader::compute_offsets(); |
duke@435 | 3263 | java_lang_Thread::compute_offsets(); |
duke@435 | 3264 | java_lang_ThreadGroup::compute_offsets(); |
twisti@2698 | 3265 | if (EnableInvokeDynamic) { |
jrose@2639 | 3266 | java_lang_invoke_MethodHandle::compute_offsets(); |
sspitsyn@5496 | 3267 | java_lang_invoke_DirectMethodHandle::compute_offsets(); |
jrose@2639 | 3268 | java_lang_invoke_MemberName::compute_offsets(); |
twisti@3969 | 3269 | java_lang_invoke_LambdaForm::compute_offsets(); |
jrose@2639 | 3270 | java_lang_invoke_MethodType::compute_offsets(); |
jrose@2639 | 3271 | java_lang_invoke_CallSite::compute_offsets(); |
jrose@1161 | 3272 | } |
duke@435 | 3273 | java_security_AccessControlContext::compute_offsets(); |
duke@435 | 3274 | // Initialize reflection classes. The layouts of these classes |
duke@435 | 3275 | // changed with the new reflection implementation in JDK 1.4, and |
duke@435 | 3276 | // since the Universe doesn't know what JDK version it is until this |
duke@435 | 3277 | // point we defer computation of these offsets until now. |
duke@435 | 3278 | java_lang_reflect_AccessibleObject::compute_offsets(); |
duke@435 | 3279 | java_lang_reflect_Method::compute_offsets(); |
duke@435 | 3280 | java_lang_reflect_Constructor::compute_offsets(); |
duke@435 | 3281 | java_lang_reflect_Field::compute_offsets(); |
duke@435 | 3282 | if (JDK_Version::is_gte_jdk14x_version()) { |
duke@435 | 3283 | java_nio_Buffer::compute_offsets(); |
duke@435 | 3284 | } |
duke@435 | 3285 | if (JDK_Version::is_gte_jdk15x_version()) { |
duke@435 | 3286 | sun_reflect_ConstantPool::compute_offsets(); |
duke@435 | 3287 | sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); |
duke@435 | 3288 | } |
coleenp@4398 | 3289 | if (JDK_Version::is_jdk18x_version()) |
coleenp@4398 | 3290 | java_lang_reflect_Parameter::compute_offsets(); |
jrose@1145 | 3291 | |
jrose@1145 | 3292 | // generated interpreter code wants to know about the offsets we just computed: |
jrose@1145 | 3293 | AbstractAssembler::update_delayed_values(); |
duke@435 | 3294 | } |
duke@435 | 3295 | |
duke@435 | 3296 | #ifndef PRODUCT |
duke@435 | 3297 | |
duke@435 | 3298 | // These functions exist to assert the validity of hard-coded field offsets to guard |
duke@435 | 3299 | // against changes in the class files |
duke@435 | 3300 | |
duke@435 | 3301 | bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { |
duke@435 | 3302 | EXCEPTION_MARK; |
duke@435 | 3303 | fieldDescriptor fd; |
coleenp@2497 | 3304 | TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
coleenp@4037 | 3305 | Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
duke@435 | 3306 | instanceKlassHandle h_klass (THREAD, k); |
coleenp@2497 | 3307 | TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
coleenp@2497 | 3308 | TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
coleenp@2497 | 3309 | if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
duke@435 | 3310 | tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name); |
duke@435 | 3311 | return false; |
duke@435 | 3312 | } |
duke@435 | 3313 | if (fd.is_static()) { |
duke@435 | 3314 | tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name); |
duke@435 | 3315 | return false; |
duke@435 | 3316 | } |
duke@435 | 3317 | if (fd.offset() == hardcoded_offset ) { |
duke@435 | 3318 | return true; |
duke@435 | 3319 | } else { |
duke@435 | 3320 | tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.", |
duke@435 | 3321 | klass_name, field_name, hardcoded_offset, fd.offset()); |
duke@435 | 3322 | return false; |
duke@435 | 3323 | } |
duke@435 | 3324 | } |
duke@435 | 3325 | |
duke@435 | 3326 | |
duke@435 | 3327 | bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) { |
duke@435 | 3328 | EXCEPTION_MARK; |
duke@435 | 3329 | fieldDescriptor fd; |
coleenp@2497 | 3330 | TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
coleenp@4037 | 3331 | Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
duke@435 | 3332 | instanceKlassHandle h_klass (THREAD, k); |
coleenp@2497 | 3333 | TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
coleenp@2497 | 3334 | TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
coleenp@2497 | 3335 | if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
duke@435 | 3336 | tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
duke@435 | 3337 | return false; |
duke@435 | 3338 | } |
duke@435 | 3339 | if (!fd.is_static()) { |
duke@435 | 3340 | tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name); |
duke@435 | 3341 | return false; |
duke@435 | 3342 | } |
coleenp@4047 | 3343 | if (fd.offset() == hardcoded_offset + InstanceMirrorKlass::offset_of_static_fields()) { |
duke@435 | 3344 | return true; |
duke@435 | 3345 | } else { |
coleenp@4047 | 3346 | 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()); |
duke@435 | 3347 | return false; |
duke@435 | 3348 | } |
duke@435 | 3349 | } |
duke@435 | 3350 | |
duke@435 | 3351 | |
jrose@567 | 3352 | bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) { |
jrose@567 | 3353 | EXCEPTION_MARK; |
jrose@567 | 3354 | fieldDescriptor fd; |
coleenp@2497 | 3355 | TempNewSymbol klass_sym = SymbolTable::new_symbol(klass_name, CATCH); |
coleenp@4037 | 3356 | Klass* k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH); |
jrose@567 | 3357 | instanceKlassHandle h_klass (THREAD, k); |
coleenp@2497 | 3358 | TempNewSymbol f_name = SymbolTable::new_symbol(field_name, CATCH); |
coleenp@2497 | 3359 | TempNewSymbol f_sig = SymbolTable::new_symbol(field_sig, CATCH); |
coleenp@2497 | 3360 | if (!h_klass->find_local_field(f_name, f_sig, &fd)) { |
jrose@567 | 3361 | tty->print_cr("Static field %s.%s not found", klass_name, field_name); |
jrose@567 | 3362 | return false; |
jrose@567 | 3363 | } |
jrose@567 | 3364 | if (!fd.is_static() || !fd.has_initial_value()) { |
jrose@567 | 3365 | tty->print_cr("Static field %s.%s appears to be non-constant", klass_name, field_name); |
jrose@567 | 3366 | return false; |
jrose@567 | 3367 | } |
jrose@567 | 3368 | if (!fd.initial_value_tag().is_int()) { |
jrose@567 | 3369 | tty->print_cr("Static field %s.%s is not an int", klass_name, field_name); |
jrose@567 | 3370 | return false; |
jrose@567 | 3371 | } |
jrose@567 | 3372 | jint field_value = fd.int_initial_value(); |
jrose@567 | 3373 | if (field_value == hardcoded_constant) { |
jrose@567 | 3374 | return true; |
jrose@567 | 3375 | } else { |
jrose@567 | 3376 | 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); |
jrose@567 | 3377 | return false; |
jrose@567 | 3378 | } |
jrose@567 | 3379 | } |
jrose@567 | 3380 | |
jrose@567 | 3381 | |
duke@435 | 3382 | // Check the hard-coded field offsets of all the classes in this file |
duke@435 | 3383 | |
duke@435 | 3384 | void JavaClasses::check_offsets() { |
duke@435 | 3385 | bool valid = true; |
coleenp@4037 | 3386 | HandleMark hm; |
duke@435 | 3387 | |
duke@435 | 3388 | #define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
duke@435 | 3389 | valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig) |
duke@435 | 3390 | |
kvn@600 | 3391 | #define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
kvn@600 | 3392 | valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig) |
kvn@600 | 3393 | |
duke@435 | 3394 | #define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \ |
duke@435 | 3395 | valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig) |
duke@435 | 3396 | |
jrose@567 | 3397 | #define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \ |
jrose@567 | 3398 | valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig) |
jrose@567 | 3399 | |
duke@435 | 3400 | // java.lang.String |
duke@435 | 3401 | |
duke@435 | 3402 | CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C"); |
kvn@3760 | 3403 | if (java_lang_String::has_offset_field()) { |
kvn@3760 | 3404 | CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I"); |
kvn@3760 | 3405 | CHECK_OFFSET("java/lang/String", java_lang_String, count, "I"); |
kvn@3760 | 3406 | } |
kvn@3760 | 3407 | if (java_lang_String::has_hash_field()) { |
kvn@3760 | 3408 | CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I"); |
kvn@3760 | 3409 | } |
duke@435 | 3410 | |
duke@435 | 3411 | // java.lang.Class |
duke@435 | 3412 | |
duke@435 | 3413 | // Fake fields |
duke@435 | 3414 | // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked |
duke@435 | 3415 | // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked |
duke@435 | 3416 | |
duke@435 | 3417 | // java.lang.Throwable |
duke@435 | 3418 | |
duke@435 | 3419 | CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;"); |
duke@435 | 3420 | CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;"); |
duke@435 | 3421 | CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;"); |
duke@435 | 3422 | CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;"); |
duke@435 | 3423 | |
duke@435 | 3424 | // Boxed primitive objects (java_lang_boxing_object) |
duke@435 | 3425 | |
duke@435 | 3426 | CHECK_OFFSET("java/lang/Boolean", java_lang_boxing_object, value, "Z"); |
duke@435 | 3427 | CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C"); |
duke@435 | 3428 | CHECK_OFFSET("java/lang/Float", java_lang_boxing_object, value, "F"); |
kvn@600 | 3429 | CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D"); |
duke@435 | 3430 | CHECK_OFFSET("java/lang/Byte", java_lang_boxing_object, value, "B"); |
duke@435 | 3431 | CHECK_OFFSET("java/lang/Short", java_lang_boxing_object, value, "S"); |
duke@435 | 3432 | CHECK_OFFSET("java/lang/Integer", java_lang_boxing_object, value, "I"); |
kvn@600 | 3433 | CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J"); |
duke@435 | 3434 | |
duke@435 | 3435 | // java.lang.ClassLoader |
duke@435 | 3436 | |
duke@435 | 3437 | CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent, "Ljava/lang/ClassLoader;"); |
duke@435 | 3438 | |
duke@435 | 3439 | // java.lang.System |
duke@435 | 3440 | |
duke@435 | 3441 | CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, in, "Ljava/io/InputStream;"); |
duke@435 | 3442 | CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;"); |
duke@435 | 3443 | CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;"); |
mullan@5242 | 3444 | CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, security, "Ljava/lang/SecurityManager;"); |
duke@435 | 3445 | |
duke@435 | 3446 | // java.lang.StackTraceElement |
duke@435 | 3447 | |
duke@435 | 3448 | CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;"); |
duke@435 | 3449 | CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;"); |
duke@435 | 3450 | CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, fileName, "Ljava/lang/String;"); |
duke@435 | 3451 | CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I"); |
duke@435 | 3452 | |
duke@435 | 3453 | // java.lang.ref.Reference |
duke@435 | 3454 | |
duke@435 | 3455 | CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;"); |
duke@435 | 3456 | CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;"); |
duke@435 | 3457 | CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;"); |
duke@435 | 3458 | // Fake field |
duke@435 | 3459 | //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;"); |
duke@435 | 3460 | CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;"); |
duke@435 | 3461 | CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;"); |
duke@435 | 3462 | |
duke@435 | 3463 | // java.lang.ref.SoftReference |
duke@435 | 3464 | |
duke@435 | 3465 | CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J"); |
duke@435 | 3466 | CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J"); |
duke@435 | 3467 | |
duke@435 | 3468 | // java.lang.AssertionStatusDirectives |
duke@435 | 3469 | // |
duke@435 | 3470 | // The CheckAssertionStatusDirectives boolean can be removed from here and |
duke@435 | 3471 | // globals.hpp after the AssertionStatusDirectives class has been integrated |
duke@435 | 3472 | // into merlin "for some time." Without it, the vm will fail with early |
duke@435 | 3473 | // merlin builds. |
duke@435 | 3474 | |
duke@435 | 3475 | if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) { |
duke@435 | 3476 | const char* nm = "java/lang/AssertionStatusDirectives"; |
duke@435 | 3477 | const char* sig = "[Ljava/lang/String;"; |
duke@435 | 3478 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig); |
duke@435 | 3479 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z"); |
duke@435 | 3480 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig); |
duke@435 | 3481 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z"); |
duke@435 | 3482 | CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z"); |
duke@435 | 3483 | } |
duke@435 | 3484 | |
duke@435 | 3485 | if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed"); |
duke@435 | 3486 | } |
duke@435 | 3487 | |
duke@435 | 3488 | #endif // PRODUCT |
duke@435 | 3489 | |
never@3137 | 3490 | int InjectedField::compute_offset() { |
coleenp@4037 | 3491 | Klass* klass_oop = klass(); |
coleenp@4037 | 3492 | for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
never@3137 | 3493 | if (!may_be_java && !fs.access_flags().is_internal()) { |
never@3137 | 3494 | // Only look at injected fields |
never@3137 | 3495 | continue; |
never@3137 | 3496 | } |
never@3137 | 3497 | if (fs.name() == name() && fs.signature() == signature()) { |
never@3137 | 3498 | return fs.offset(); |
never@3137 | 3499 | } |
never@3137 | 3500 | } |
never@3137 | 3501 | ResourceMark rm; |
coleenp@4037 | 3502 | 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)" : ""); |
twisti@3969 | 3503 | #ifndef PRODUCT |
twisti@3969 | 3504 | klass_oop->print(); |
twisti@3969 | 3505 | tty->print_cr("all fields:"); |
coleenp@4037 | 3506 | for (AllFieldStream fs(InstanceKlass::cast(klass_oop)); !fs.done(); fs.next()) { |
twisti@3969 | 3507 | tty->print_cr(" name: %s, sig: %s, flags: %08x", fs.name()->as_C_string(), fs.signature()->as_C_string(), fs.access_flags().as_int()); |
twisti@3969 | 3508 | } |
twisti@3969 | 3509 | #endif //PRODUCT |
never@3137 | 3510 | fatal("Invalid layout of preloaded class"); |
never@3137 | 3511 | return -1; |
never@3137 | 3512 | } |
never@3137 | 3513 | |
duke@435 | 3514 | void javaClasses_init() { |
duke@435 | 3515 | JavaClasses::compute_offsets(); |
duke@435 | 3516 | JavaClasses::check_offsets(); |
duke@435 | 3517 | FilteredFieldsMap::initialize(); // must be done after computing offsets. |
duke@435 | 3518 | } |