Mercurial > hg > truffle
annotate src/share/vm/oops/methodKlass.cpp @ 2227:e5383553fd4e
7014851: Remove unused parallel compaction code
Summary: Removed.
Reviewed-by: jcoomes, brutisso
| author | stefank |
|---|---|
| date | Tue, 08 Feb 2011 12:33:19 +0100 |
| parents | 3582bf76420e |
| children | 5d8f5a6dced7 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2227 | 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/javaClasses.hpp" | |
| 27 #include "gc_implementation/shared/markSweep.inline.hpp" | |
| 28 #include "gc_interface/collectedHeap.inline.hpp" | |
| 29 #include "interpreter/interpreter.hpp" | |
| 30 #include "memory/gcLocker.hpp" | |
| 31 #include "memory/resourceArea.hpp" | |
| 32 #include "memory/universe.inline.hpp" | |
| 33 #include "oops/constMethodKlass.hpp" | |
| 34 #include "oops/klassOop.hpp" | |
| 35 #include "oops/methodDataOop.hpp" | |
| 36 #include "oops/methodKlass.hpp" | |
| 37 #include "oops/oop.inline.hpp" | |
| 38 #include "oops/oop.inline2.hpp" | |
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39 #include "oops/symbol.hpp" |
| 1972 | 40 #include "runtime/handles.inline.hpp" |
| 0 | 41 |
| 42 klassOop methodKlass::create_klass(TRAPS) { | |
| 43 methodKlass o; | |
| 44 KlassHandle h_this_klass(THREAD, Universe::klassKlassObj()); | |
| 45 KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL); | |
| 46 // Make sure size calculation is right | |
| 47 assert(k()->size() == align_object_size(header_size()), "wrong size for object"); | |
| 48 java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror | |
| 49 return k(); | |
| 50 } | |
| 51 | |
| 52 | |
| 53 int methodKlass::oop_size(oop obj) const { | |
| 54 assert(obj->is_method(), "must be method oop"); | |
| 55 return methodOop(obj)->object_size(); | |
| 56 } | |
| 57 | |
| 58 | |
| 59 bool methodKlass::oop_is_parsable(oop obj) const { | |
| 60 assert(obj->is_method(), "must be method oop"); | |
| 61 return methodOop(obj)->object_is_parsable(); | |
| 62 } | |
| 63 | |
| 64 | |
| 65 methodOop methodKlass::allocate(constMethodHandle xconst, | |
| 66 AccessFlags access_flags, TRAPS) { | |
| 67 int size = methodOopDesc::object_size(access_flags.is_native()); | |
| 68 KlassHandle h_k(THREAD, as_klassOop()); | |
| 69 assert(xconst()->is_parsable(), "possible publication protocol violation"); | |
| 70 methodOop m = (methodOop)CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL); | |
| 71 assert(!m->is_parsable(), "not expecting parsability yet."); | |
| 72 | |
| 73 No_Safepoint_Verifier no_safepoint; // until m becomes parsable below | |
| 74 m->set_constMethod(xconst()); | |
| 75 m->set_access_flags(access_flags); | |
| 76 m->set_method_size(size); | |
| 77 m->set_name_index(0); | |
| 78 m->set_signature_index(0); | |
| 79 #ifdef CC_INTERP | |
| 80 m->set_result_index(T_VOID); | |
| 81 #endif | |
| 82 m->set_constants(NULL); | |
| 83 m->set_max_stack(0); | |
| 84 m->set_max_locals(0); | |
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85 m->set_intrinsic_id(vmIntrinsics::_none); |
| 0 | 86 m->set_method_data(NULL); |
| 87 m->set_interpreter_throwout_count(0); | |
| 88 m->set_vtable_index(methodOopDesc::garbage_vtable_index); | |
| 89 | |
| 90 // Fix and bury in methodOop | |
| 91 m->set_interpreter_entry(NULL); // sets i2i entry and from_int | |
| 92 m->set_adapter_entry(NULL); | |
| 93 m->clear_code(); // from_c/from_i get set to c2i/i2i | |
| 94 | |
| 95 if (access_flags.is_native()) { | |
| 96 m->clear_native_function(); | |
| 97 m->set_signature_handler(NULL); | |
| 98 } | |
| 99 | |
| 100 NOT_PRODUCT(m->set_compiled_invocation_count(0);) | |
| 101 m->set_interpreter_invocation_count(0); | |
| 102 m->invocation_counter()->init(); | |
| 103 m->backedge_counter()->init(); | |
| 104 m->clear_number_of_breakpoints(); | |
| 1783 | 105 |
| 0 | 106 assert(m->is_parsable(), "must be parsable here."); |
| 107 assert(m->size() == size, "wrong size for object"); | |
| 108 // We should not publish an uprasable object's reference | |
| 109 // into one that is parsable, since that presents problems | |
| 110 // for the concurrent parallel marking and precleaning phases | |
| 111 // of concurrent gc (CMS). | |
| 112 xconst->set_method(m); | |
| 113 return m; | |
| 114 } | |
| 115 | |
| 116 | |
| 117 void methodKlass::oop_follow_contents(oop obj) { | |
| 118 assert (obj->is_method(), "object must be method"); | |
| 119 methodOop m = methodOop(obj); | |
| 120 // Performance tweak: We skip iterating over the klass pointer since we | |
| 121 // know that Universe::methodKlassObj never moves. | |
| 122 MarkSweep::mark_and_push(m->adr_constMethod()); | |
| 123 MarkSweep::mark_and_push(m->adr_constants()); | |
| 124 if (m->method_data() != NULL) { | |
| 125 MarkSweep::mark_and_push(m->adr_method_data()); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 #ifndef SERIALGC | |
| 130 void methodKlass::oop_follow_contents(ParCompactionManager* cm, | |
| 131 oop obj) { | |
| 132 assert (obj->is_method(), "object must be method"); | |
| 133 methodOop m = methodOop(obj); | |
| 134 // Performance tweak: We skip iterating over the klass pointer since we | |
| 135 // know that Universe::methodKlassObj never moves. | |
| 136 PSParallelCompact::mark_and_push(cm, m->adr_constMethod()); | |
| 137 PSParallelCompact::mark_and_push(cm, m->adr_constants()); | |
| 138 #ifdef COMPILER2 | |
| 139 if (m->method_data() != NULL) { | |
| 140 PSParallelCompact::mark_and_push(cm, m->adr_method_data()); | |
| 141 } | |
| 142 #endif // COMPILER2 | |
| 143 } | |
| 144 #endif // SERIALGC | |
| 145 | |
| 146 int methodKlass::oop_oop_iterate(oop obj, OopClosure* blk) { | |
| 147 assert (obj->is_method(), "object must be method"); | |
| 148 methodOop m = methodOop(obj); | |
| 149 // Get size before changing pointers. | |
| 150 // Don't call size() or oop_size() since that is a virtual call. | |
| 151 int size = m->object_size(); | |
| 152 // Performance tweak: We skip iterating over the klass pointer since we | |
| 153 // know that Universe::methodKlassObj never moves | |
| 154 blk->do_oop(m->adr_constMethod()); | |
| 155 blk->do_oop(m->adr_constants()); | |
| 156 if (m->method_data() != NULL) { | |
| 157 blk->do_oop(m->adr_method_data()); | |
| 158 } | |
| 159 return size; | |
| 160 } | |
| 161 | |
| 162 | |
| 163 int methodKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { | |
| 164 assert (obj->is_method(), "object must be method"); | |
| 165 methodOop m = methodOop(obj); | |
| 166 // Get size before changing pointers. | |
| 167 // Don't call size() or oop_size() since that is a virtual call. | |
| 168 int size = m->object_size(); | |
| 169 // Performance tweak: We skip iterating over the klass pointer since we | |
| 170 // know that Universe::methodKlassObj never moves. | |
| 171 oop* adr; | |
| 172 adr = m->adr_constMethod(); | |
| 173 if (mr.contains(adr)) blk->do_oop(adr); | |
| 174 adr = m->adr_constants(); | |
| 175 if (mr.contains(adr)) blk->do_oop(adr); | |
| 176 if (m->method_data() != NULL) { | |
| 177 adr = m->adr_method_data(); | |
| 178 if (mr.contains(adr)) blk->do_oop(adr); | |
| 179 } | |
| 180 return size; | |
| 181 } | |
| 182 | |
| 183 | |
| 184 int methodKlass::oop_adjust_pointers(oop obj) { | |
| 185 assert(obj->is_method(), "should be method"); | |
| 186 methodOop m = methodOop(obj); | |
| 187 // Get size before changing pointers. | |
| 188 // Don't call size() or oop_size() since that is a virtual call. | |
| 189 int size = m->object_size(); | |
| 190 // Performance tweak: We skip iterating over the klass pointer since we | |
| 191 // know that Universe::methodKlassObj never moves. | |
| 192 MarkSweep::adjust_pointer(m->adr_constMethod()); | |
| 193 MarkSweep::adjust_pointer(m->adr_constants()); | |
| 194 if (m->method_data() != NULL) { | |
| 195 MarkSweep::adjust_pointer(m->adr_method_data()); | |
| 196 } | |
| 197 return size; | |
| 198 } | |
| 199 | |
| 200 #ifndef SERIALGC | |
| 201 void methodKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { | |
| 202 assert(obj->is_method(), "should be method"); | |
| 203 } | |
| 204 | |
| 205 int methodKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { | |
| 206 assert(obj->is_method(), "should be method"); | |
| 207 methodOop m = methodOop(obj); | |
| 208 PSParallelCompact::adjust_pointer(m->adr_constMethod()); | |
| 209 PSParallelCompact::adjust_pointer(m->adr_constants()); | |
| 210 #ifdef COMPILER2 | |
| 211 if (m->method_data() != NULL) { | |
| 212 PSParallelCompact::adjust_pointer(m->adr_method_data()); | |
| 213 } | |
| 214 #endif // COMPILER2 | |
| 215 return m->object_size(); | |
| 216 } | |
| 217 #endif // SERIALGC | |
| 218 | |
| 219 #ifndef PRODUCT | |
| 220 | |
| 221 // Printing | |
| 222 | |
| 223 void methodKlass::oop_print_on(oop obj, outputStream* st) { | |
| 224 ResourceMark rm; | |
| 225 assert(obj->is_method(), "must be method"); | |
| 226 Klass::oop_print_on(obj, st); | |
| 227 methodOop m = methodOop(obj); | |
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228 // get the effect of PrintOopAddress, always, for methods: |
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229 st->print_cr(" - this oop: "INTPTR_FORMAT, (intptr_t)m); |
| 0 | 230 st->print (" - method holder: "); m->method_holder()->print_value_on(st); st->cr(); |
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231 st->print (" - constants: "INTPTR_FORMAT" ", (address)m->constants()); |
| 0 | 232 m->constants()->print_value_on(st); st->cr(); |
| 233 st->print (" - access: 0x%x ", m->access_flags().as_int()); m->access_flags().print_on(st); st->cr(); | |
| 234 st->print (" - name: "); m->name()->print_value_on(st); st->cr(); | |
| 235 st->print (" - signature: "); m->signature()->print_value_on(st); st->cr(); | |
| 236 st->print_cr(" - max stack: %d", m->max_stack()); | |
| 237 st->print_cr(" - max locals: %d", m->max_locals()); | |
| 238 st->print_cr(" - size of params: %d", m->size_of_parameters()); | |
| 239 st->print_cr(" - method size: %d", m->method_size()); | |
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240 if (m->intrinsic_id() != vmIntrinsics::_none) |
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241 st->print_cr(" - intrinsic id: %d %s", m->intrinsic_id(), vmIntrinsics::name_at(m->intrinsic_id())); |
| 1783 | 242 if (m->highest_comp_level() != CompLevel_none) |
| 243 st->print_cr(" - highest level: %d", m->highest_comp_level()); | |
| 0 | 244 st->print_cr(" - vtable index: %d", m->_vtable_index); |
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245 st->print_cr(" - i2i entry: " INTPTR_FORMAT, m->interpreter_entry()); |
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246 st->print_cr(" - adapter: " INTPTR_FORMAT, m->adapter()); |
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247 st->print_cr(" - compiled entry " INTPTR_FORMAT, m->from_compiled_entry()); |
| 0 | 248 st->print_cr(" - code size: %d", m->code_size()); |
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249 if (m->code_size() != 0) { |
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250 st->print_cr(" - code start: " INTPTR_FORMAT, m->code_base()); |
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251 st->print_cr(" - code end (excl): " INTPTR_FORMAT, m->code_base() + m->code_size()); |
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252 } |
| 0 | 253 if (m->method_data() != NULL) { |
| 254 st->print_cr(" - method data: " INTPTR_FORMAT, (address)m->method_data()); | |
| 255 } | |
| 256 st->print_cr(" - checked ex length: %d", m->checked_exceptions_length()); | |
| 257 if (m->checked_exceptions_length() > 0) { | |
| 258 CheckedExceptionElement* table = m->checked_exceptions_start(); | |
| 259 st->print_cr(" - checked ex start: " INTPTR_FORMAT, table); | |
| 260 if (Verbose) { | |
| 261 for (int i = 0; i < m->checked_exceptions_length(); i++) { | |
| 262 st->print_cr(" - throws %s", m->constants()->printable_name_at(table[i].class_cp_index)); | |
| 263 } | |
| 264 } | |
| 265 } | |
| 266 if (m->has_linenumber_table()) { | |
| 267 u_char* table = m->compressed_linenumber_table(); | |
| 268 st->print_cr(" - linenumber start: " INTPTR_FORMAT, table); | |
| 269 if (Verbose) { | |
| 270 CompressedLineNumberReadStream stream(table); | |
| 271 while (stream.read_pair()) { | |
| 272 st->print_cr(" - line %d: %d", stream.line(), stream.bci()); | |
| 273 } | |
| 274 } | |
| 275 } | |
| 276 st->print_cr(" - localvar length: %d", m->localvariable_table_length()); | |
| 277 if (m->localvariable_table_length() > 0) { | |
| 278 LocalVariableTableElement* table = m->localvariable_table_start(); | |
| 279 st->print_cr(" - localvar start: " INTPTR_FORMAT, table); | |
| 280 if (Verbose) { | |
| 281 for (int i = 0; i < m->localvariable_table_length(); i++) { | |
| 282 int bci = table[i].start_bci; | |
| 283 int len = table[i].length; | |
| 284 const char* name = m->constants()->printable_name_at(table[i].name_cp_index); | |
| 285 const char* desc = m->constants()->printable_name_at(table[i].descriptor_cp_index); | |
| 286 int slot = table[i].slot; | |
| 287 st->print_cr(" - %s %s bci=%d len=%d slot=%d", desc, name, bci, len, slot); | |
| 288 } | |
| 289 } | |
| 290 } | |
| 291 if (m->code() != NULL) { | |
| 292 st->print (" - compiled code: "); | |
| 293 m->code()->print_value_on(st); | |
| 294 st->cr(); | |
| 295 } | |
| 710 | 296 if (m->is_method_handle_invoke()) { |
| 297 st->print_cr(" - invoke method type: " INTPTR_FORMAT, (address) m->method_handle_type()); | |
| 298 // m is classified as native, but it does not have an interesting | |
| 299 // native_function or signature handler | |
| 300 } else if (m->is_native()) { | |
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301 st->print_cr(" - native function: " INTPTR_FORMAT, m->native_function()); |
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302 st->print_cr(" - signature handler: " INTPTR_FORMAT, m->signature_handler()); |
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303 } |
| 0 | 304 } |
| 305 | |
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306 #endif //PRODUCT |
| 0 | 307 |
| 308 void methodKlass::oop_print_value_on(oop obj, outputStream* st) { | |
| 309 assert(obj->is_method(), "must be method"); | |
| 310 Klass::oop_print_value_on(obj, st); | |
| 311 methodOop m = methodOop(obj); | |
| 312 st->print(" "); | |
| 313 m->name()->print_value_on(st); | |
| 314 st->print(" "); | |
| 315 m->signature()->print_value_on(st); | |
| 316 st->print(" in "); | |
| 317 m->method_holder()->print_value_on(st); | |
| 318 if (WizardMode) st->print("[%d,%d]", m->size_of_parameters(), m->max_locals()); | |
| 319 if (WizardMode && m->code() != NULL) st->print(" ((nmethod*)%p)", m->code()); | |
| 320 } | |
| 321 | |
| 322 const char* methodKlass::internal_name() const { | |
| 323 return "{method}"; | |
| 324 } | |
| 325 | |
| 326 | |
| 327 // Verification | |
| 328 | |
| 329 void methodKlass::oop_verify_on(oop obj, outputStream* st) { | |
| 330 Klass::oop_verify_on(obj, st); | |
| 331 guarantee(obj->is_method(), "object must be method"); | |
| 332 if (!obj->partially_loaded()) { | |
| 333 methodOop m = methodOop(obj); | |
| 334 guarantee(m->is_perm(), "should be in permspace"); | |
| 335 guarantee(m->constants()->is_perm(), "should be in permspace"); | |
| 336 guarantee(m->constants()->is_constantPool(), "should be constant pool"); | |
| 337 guarantee(m->constMethod()->is_constMethod(), "should be constMethodOop"); | |
| 338 guarantee(m->constMethod()->is_perm(), "should be in permspace"); | |
| 339 methodDataOop method_data = m->method_data(); | |
| 340 guarantee(method_data == NULL || | |
| 341 method_data->is_perm(), "should be in permspace"); | |
| 342 guarantee(method_data == NULL || | |
| 343 method_data->is_methodData(), "should be method data"); | |
| 344 } | |
| 345 } | |
| 346 | |
| 347 bool methodKlass::oop_partially_loaded(oop obj) const { | |
| 348 assert(obj->is_method(), "object must be method"); | |
| 349 methodOop m = methodOop(obj); | |
| 350 constMethodOop xconst = m->constMethod(); | |
| 351 assert(xconst != NULL, "const method must be set"); | |
| 352 constMethodKlass* ck = constMethodKlass::cast(xconst->klass()); | |
| 353 return ck->oop_partially_loaded(xconst); | |
| 354 } | |
| 355 | |
| 356 | |
| 357 void methodKlass::oop_set_partially_loaded(oop obj) { | |
| 358 assert(obj->is_method(), "object must be method"); | |
| 359 methodOop m = methodOop(obj); | |
| 360 constMethodOop xconst = m->constMethod(); | |
| 361 assert(xconst != NULL, "const method must be set"); | |
| 362 constMethodKlass* ck = constMethodKlass::cast(xconst->klass()); | |
| 363 ck->oop_set_partially_loaded(xconst); | |
| 364 } |