aotCodeHeap.cpp revision 13477:4d61110c6046
1/* 2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24#include "precompiled.hpp" 25 26#include "aot/aotCodeHeap.hpp" 27#include "aot/aotLoader.hpp" 28#include "classfile/javaAssertions.hpp" 29#include "gc/g1/heapRegion.hpp" 30#include "gc/shared/gcLocker.hpp" 31#include "interpreter/abstractInterpreter.hpp" 32#include "jvmci/compilerRuntime.hpp" 33#include "jvmci/jvmciRuntime.hpp" 34#include "oops/method.hpp" 35#include "runtime/os.hpp" 36#include "runtime/sharedRuntime.hpp" 37#include "runtime/vm_operations.hpp" 38 39bool AOTLib::_narrow_oop_shift_initialized = false; 40int AOTLib::_narrow_oop_shift = 0; 41int AOTLib::_narrow_klass_shift = 0; 42 43address AOTLib::load_symbol(const char *name) { 44 address symbol = (address) os::dll_lookup(_dl_handle, name); 45 if (symbol == NULL) { 46 tty->print_cr("Shared file %s error: missing %s", _name, name); 47 vm_exit(1); 48 } 49 return symbol; 50} 51 52Klass* AOTCodeHeap::get_klass_from_got(const char* klass_name, int klass_len, const Method* method) { 53 AOTKlassData* klass_data = (AOTKlassData*)_lib->load_symbol(klass_name); 54 Klass* k = (Klass*)_klasses_got[klass_data->_got_index]; 55 if (k == NULL) { 56 Thread* thread = Thread::current(); 57 k = lookup_klass(klass_name, klass_len, method, thread); 58 // Note, exceptions are cleared. 59 if (k == NULL) { 60 fatal("Shared file %s error: klass %s should be resolved already", _lib->name(), klass_name); 61 vm_exit(1); 62 } 63 _klasses_got[klass_data->_got_index] = k; 64 } 65 return k; 66} 67 68Klass* AOTCodeHeap::lookup_klass(const char* name, int len, const Method* method, Thread* thread) { 69 ResourceMark rm(thread); 70 assert(method != NULL, "incorrect call parameter"); 71 methodHandle caller(thread, (Method*)method); 72 73 // Use class loader of aot method. 74 Handle loader(thread, caller->method_holder()->class_loader()); 75 Handle protection_domain(thread, caller->method_holder()->protection_domain()); 76 77 // Ignore wrapping L and ; 78 if (name[0] == 'L') { 79 assert(len > 2, "small name %s", name); 80 name++; 81 len -= 2; 82 } 83 TempNewSymbol sym = SymbolTable::probe(name, len); 84 if (sym == NULL) { 85 log_debug(aot, class, resolve)("Probe failed for AOT class %s", name); 86 return NULL; 87 } 88 Klass* k = SystemDictionary::find_instance_or_array_klass(sym, loader, protection_domain, thread); 89 assert(!thread->has_pending_exception(), "should not throw"); 90 91 if (k != NULL) { 92 log_info(aot, class, resolve)("%s %s (lookup)", caller->method_holder()->external_name(), k->external_name()); 93 } 94 return k; 95} 96 97void AOTLib::handle_config_error(const char* format, ...) { 98 if (PrintAOT) { 99 va_list ap; 100 va_start(ap, format); 101 tty->vprint_cr(format, ap); 102 va_end(ap); 103 } 104 if (UseAOTStrictLoading) { 105 vm_exit(1); 106 } 107 _valid = false; 108} 109 110void AOTLib::verify_flag(bool aot_flag, bool flag, const char* name) { 111 if (_valid && aot_flag != flag) { 112 handle_config_error("Shared file %s error: %s has different value '%s' from current '%s'", _name, name , (aot_flag ? "true" : "false"), (flag ? "true" : "false")); 113 } 114} 115 116void AOTLib::verify_flag(int aot_flag, int flag, const char* name) { 117 if (_valid && aot_flag != flag) { 118 handle_config_error("Shared file %s error: %s has different value '%d' from current '%d'", _name, name , aot_flag, flag); 119 } 120} 121 122void AOTLib::verify_config() { 123 GrowableArray<AOTLib*>* libraries = AOTLoader::libraries(); 124 for (GrowableArrayIterator<AOTLib*> lib = libraries->begin(); lib != libraries->end(); ++lib) { 125 if ((*lib)->_config == _config) { 126 handle_config_error("AOT library %s already loaded.", (*lib)->_name); 127 return; 128 } 129 } 130 131 if (_header->_version != AOTHeader::AOT_SHARED_VERSION) { 132 handle_config_error("Invalid version of the shared file %s. Expected %d but was %d", _name, _header->_version, AOTHeader::AOT_SHARED_VERSION); 133 return; 134 } 135 136 const char* aot_jvm_version = (const char*)_header + _header->_jvm_version_offset + 2; 137 if (strcmp(aot_jvm_version, VM_Version::jre_release_version()) != 0) { 138 handle_config_error("JVM version '%s' recorded in the shared file %s does not match current version '%s'", aot_jvm_version, _name, VM_Version::jre_release_version()); 139 return; 140 } 141 142 // Debug VM has different layout of runtime and metadata structures 143#ifdef ASSERT 144 verify_flag(_config->_debug_VM, true, "Debug VM version"); 145#else 146 verify_flag(!(_config->_debug_VM), true, "Product VM version"); 147#endif 148 // Check configuration size 149 verify_flag(_config->_config_size, AOTConfiguration::CONFIG_SIZE, "AOT configuration size"); 150 151 // Check flags 152 verify_flag(_config->_useCompressedOops, UseCompressedOops, "UseCompressedOops"); 153 verify_flag(_config->_useCompressedClassPointers, UseCompressedClassPointers, "UseCompressedClassPointers"); 154 verify_flag(_config->_useG1GC, UseG1GC, "UseG1GC"); 155 verify_flag(_config->_useTLAB, UseTLAB, "UseTLAB"); 156 verify_flag(_config->_useBiasedLocking, UseBiasedLocking, "UseBiasedLocking"); 157 verify_flag(_config->_objectAlignment, ObjectAlignmentInBytes, "ObjectAlignmentInBytes"); 158 verify_flag(_config->_contendedPaddingWidth, ContendedPaddingWidth, "ContendedPaddingWidth"); 159 verify_flag(_config->_fieldsAllocationStyle, FieldsAllocationStyle, "FieldsAllocationStyle"); 160 verify_flag(_config->_compactFields, CompactFields, "CompactFields"); 161 verify_flag(_config->_enableContended, EnableContended, "EnableContended"); 162 verify_flag(_config->_restrictContended, RestrictContended, "RestrictContended"); 163 164 if (!TieredCompilation && _config->_tieredAOT) { 165 handle_config_error("Shared file %s error: Expected to run with tiered compilation on", _name); 166 } 167 168 // Shifts are static values which initialized by 0 until java heap initialization. 169 // AOT libs are loaded before heap initialized so shift values are not set. 170 // It is okay since ObjectAlignmentInBytes flag which defines shifts value is set before AOT libs are loaded. 171 // Set shifts value based on first AOT library config. 172 if (UseCompressedOops && _valid) { 173 if (!_narrow_oop_shift_initialized) { 174 _narrow_oop_shift = _config->_narrowOopShift; 175 if (UseCompressedClassPointers) { // It is set only if UseCompressedOops is set 176 _narrow_klass_shift = _config->_narrowKlassShift; 177 } 178 _narrow_oop_shift_initialized = true; 179 } else { 180 verify_flag(_config->_narrowOopShift, _narrow_oop_shift, "aot_config->_narrowOopShift"); 181 if (UseCompressedClassPointers) { // It is set only if UseCompressedOops is set 182 verify_flag(_config->_narrowKlassShift, _narrow_klass_shift, "aot_config->_narrowKlassShift"); 183 } 184 } 185 } 186} 187 188AOTLib::~AOTLib() { 189 free((void*) _name); 190} 191 192AOTCodeHeap::~AOTCodeHeap() { 193 if (_classes != NULL) { 194 FREE_C_HEAP_ARRAY(AOTClass, _classes); 195 } 196 if (_code_to_aot != NULL) { 197 FREE_C_HEAP_ARRAY(CodeToAMethod, _code_to_aot); 198 } 199} 200 201AOTLib::AOTLib(void* handle, const char* name, int dso_id) : _valid(true), _dl_handle(handle), _dso_id(dso_id) { 202 _name = (const char*) strdup(name); 203 204 // Verify that VM runs with the same parameters as AOT tool. 205 _config = (AOTConfiguration*) load_symbol("A.config"); 206 _header = (AOTHeader*) load_symbol("A.header"); 207 208 verify_config(); 209 210 if (!_valid && PrintAOT) { 211 tty->print("%7d ", (int) tty->time_stamp().milliseconds()); 212 tty->print_cr("%4d skipped %s aot library", _dso_id, _name); 213 } 214} 215 216AOTCodeHeap::AOTCodeHeap(AOTLib* lib) : 217 CodeHeap("CodeHeap 'AOT'", CodeBlobType::AOT), _lib(lib), _classes(NULL), _code_to_aot(NULL) { 218 assert(_lib->is_valid(), "invalid library"); 219 220 _lib_symbols_initialized = false; 221 _aot_id = 0; 222 223 _class_count = _lib->header()->_class_count; 224 _method_count = _lib->header()->_method_count; 225 226 // Collect metaspace info: names -> address in .got section 227 _metaspace_names = (const char*) _lib->load_symbol("A.meta.names"); 228 _method_metadata = (address) _lib->load_symbol("A.meth.metadata"); 229 _methods_offsets = (address) _lib->load_symbol("A.meth.offsets"); 230 _klasses_offsets = (address) _lib->load_symbol("A.kls.offsets"); 231 _dependencies = (address) _lib->load_symbol("A.kls.dependencies"); 232 _code_space = (address) _lib->load_symbol("A.text"); 233 234 // First cell is number of elements. 235 _klasses_got = (Metadata**) _lib->load_symbol("A.kls.got"); 236 _klasses_got_size = _lib->header()->_klasses_got_size; 237 238 _metadata_got = (Metadata**) _lib->load_symbol("A.meta.got"); 239 _metadata_got_size = _lib->header()->_metadata_got_size; 240 241 _oop_got = (oop*) _lib->load_symbol("A.oop.got"); 242 _oop_got_size = _lib->header()->_oop_got_size; 243 244 // Collect stubs info 245 _stubs_offsets = (int*) _lib->load_symbol("A.stubs.offsets"); 246 247 // code segments table 248 _code_segments = (address) _lib->load_symbol("A.code.segments"); 249 250 // method state 251 _method_state = (jlong*) _lib->load_symbol("A.meth.state"); 252 253 // Create a table for mapping classes 254 _classes = NEW_C_HEAP_ARRAY(AOTClass, _class_count, mtCode); 255 memset(_classes, 0, _class_count * sizeof(AOTClass)); 256 257 // Create table for searching AOTCompiledMethod based on pc. 258 _code_to_aot = NEW_C_HEAP_ARRAY(CodeToAMethod, _method_count, mtCode); 259 memset(_code_to_aot, 0, _method_count * sizeof(CodeToAMethod)); 260 261 _memory.set_low_boundary((char *)_code_space); 262 _memory.set_high_boundary((char *)_code_space); 263 _memory.set_low((char *)_code_space); 264 _memory.set_high((char *)_code_space); 265 266 _segmap.set_low_boundary((char *)_code_segments); 267 _segmap.set_low((char *)_code_segments); 268 269 _log2_segment_size = exact_log2(_lib->config()->_codeSegmentSize); 270 271 // Register aot stubs 272 register_stubs(); 273 274 if (PrintAOT || (PrintCompilation && PrintAOT)) { 275 tty->print("%7d ", (int) tty->time_stamp().milliseconds()); 276 tty->print_cr("%4d loaded %s aot library", _lib->id(), _lib->name()); 277 } 278} 279 280void AOTCodeHeap::publish_aot(const methodHandle& mh, AOTMethodData* method_data, int code_id) { 281 // The method may be explicitly excluded by the user. 282 // Or Interpreter uses an intrinsic for this method. 283 if (CompilerOracle::should_exclude(mh) || !AbstractInterpreter::can_be_compiled(mh)) { 284 return; 285 } 286 287 address code = method_data->_code; 288 const char* name = method_data->_name; 289 aot_metadata* meta = method_data->_meta; 290 291 if (meta->scopes_pcs_begin() == meta->scopes_pcs_end()) { 292 // When the AOT compiler compiles something big we fail to generate metadata 293 // in CodeInstaller::gather_metadata. In that case the scopes_pcs_begin == scopes_pcs_end. 294 // In all successful cases we always have 2 entries of scope pcs. 295 log_info(aot, class, resolve)("Failed to load %s (no metadata available)", mh->name_and_sig_as_C_string()); 296 _code_to_aot[code_id]._state = invalid; 297 return; 298 } 299 300 jlong* state_adr = &_method_state[code_id]; 301 address metadata_table = method_data->_metadata_table; 302 int metadata_size = method_data->_metadata_size; 303 assert(code_id < _method_count, "sanity"); 304 _aot_id++; 305 306#ifdef ASSERT 307 if (_aot_id > CIStop || _aot_id < CIStart) { 308 // Skip compilation 309 return; 310 } 311#endif 312 // Check one more time. 313 if (_code_to_aot[code_id]._state == invalid) { 314 return; 315 } 316 AOTCompiledMethod *aot = new AOTCompiledMethod(code, mh(), meta, metadata_table, metadata_size, state_adr, this, name, code_id, _aot_id); 317 assert(_code_to_aot[code_id]._aot == NULL, "should be not initialized"); 318 _code_to_aot[code_id]._aot = aot; // Should set this first 319 if (Atomic::cmpxchg(in_use, &_code_to_aot[code_id]._state, not_set) != not_set) { 320 _code_to_aot[code_id]._aot = NULL; // Clean 321 } else { // success 322 // Publish method 323#ifdef TIERED 324 mh->set_aot_code(aot); 325#endif 326 Method::set_code(mh, aot); 327 if (PrintAOT || (PrintCompilation && PrintAOT)) { 328 aot->print_on(tty, NULL); 329 } 330 // Publish oop only after we are visible to CompiledMethodIterator 331 aot->set_oop(mh()->method_holder()->klass_holder()); 332 } 333} 334 335void AOTCodeHeap::link_primitive_array_klasses() { 336 ResourceMark rm; 337 for (int i = T_BOOLEAN; i <= T_CONFLICT; i++) { 338 BasicType t = (BasicType)i; 339 if (is_java_primitive(t)) { 340 const Klass* arr_klass = Universe::typeArrayKlassObj(t); 341 AOTKlassData* klass_data = (AOTKlassData*) os::dll_lookup(_lib->dl_handle(), arr_klass->signature_name()); 342 if (klass_data != NULL) { 343 // Set both GOT cells, resolved and initialized klass pointers. 344 // _got_index points to second cell - resolved klass pointer. 345 _klasses_got[klass_data->_got_index-1] = (Metadata*)arr_klass; // Initialized 346 _klasses_got[klass_data->_got_index ] = (Metadata*)arr_klass; // Resolved 347 if (PrintAOT) { 348 tty->print_cr("[Found %s in %s]", arr_klass->internal_name(), _lib->name()); 349 } 350 } 351 } 352 } 353} 354 355void AOTCodeHeap::register_stubs() { 356 int stubs_count = _stubs_offsets[0]; // contains number 357 _stubs_offsets++; 358 AOTMethodOffsets* stub_offsets = (AOTMethodOffsets*)_stubs_offsets; 359 for (int i = 0; i < stubs_count; ++i) { 360 const char* stub_name = _metaspace_names + stub_offsets[i]._name_offset; 361 address entry = _code_space + stub_offsets[i]._code_offset; 362 aot_metadata* meta = (aot_metadata *) (_method_metadata + stub_offsets[i]._meta_offset); 363 address metadata_table = (address)_metadata_got + stub_offsets[i]._metadata_got_offset; 364 int metadata_size = stub_offsets[i]._metadata_got_size; 365 int code_id = stub_offsets[i]._code_id; 366 assert(code_id < _method_count, "sanity"); 367 jlong* state_adr = &_method_state[code_id]; 368 int len = build_u2_from((address)stub_name); 369 stub_name += 2; 370 char* full_name = NEW_C_HEAP_ARRAY(char, len+5, mtCode); 371 if (full_name == NULL) { // No memory? 372 break; 373 } 374 memcpy(full_name, "AOT ", 4); 375 memcpy(full_name+4, stub_name, len); 376 full_name[len+4] = 0; 377 guarantee(_code_to_aot[code_id]._state != invalid, "stub %s can't be invalidated", full_name); 378 AOTCompiledMethod* aot = new AOTCompiledMethod(entry, NULL, meta, metadata_table, metadata_size, state_adr, this, full_name, code_id, i); 379 assert(_code_to_aot[code_id]._aot == NULL, "should be not initialized"); 380 _code_to_aot[code_id]._aot = aot; 381 if (Atomic::cmpxchg(in_use, &_code_to_aot[code_id]._state, not_set) != not_set) { 382 fatal("stab '%s' code state is %d", full_name, _code_to_aot[code_id]._state); 383 } 384 // Adjust code buffer boundaries only for stubs because they are last in the buffer. 385 adjust_boundaries(aot); 386 if (PrintAOT && Verbose) { 387 aot->print_on(tty, NULL); 388 } 389 } 390} 391 392#define SET_AOT_GLOBAL_SYMBOL_VALUE(AOTSYMNAME, AOTSYMTYPE, VMSYMVAL) \ 393 { \ 394 AOTSYMTYPE * adr = (AOTSYMTYPE *) os::dll_lookup(_lib->dl_handle(), AOTSYMNAME); \ 395 /* Check for a lookup error */ \ 396 guarantee(adr != NULL, "AOT Symbol not found %s", AOTSYMNAME); \ 397 *adr = (AOTSYMTYPE) VMSYMVAL; \ 398 } 399 400void AOTCodeHeap::link_graal_runtime_symbols() { 401 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorenter", address, JVMCIRuntime::monitorenter); 402 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorexit", address, JVMCIRuntime::monitorexit); 403 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_object", address, JVMCIRuntime::log_object); 404 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_printf", address, JVMCIRuntime::log_printf); 405 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_primitive", address, JVMCIRuntime::log_primitive); 406 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_instance", address, JVMCIRuntime::new_instance); 407 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_array", address, JVMCIRuntime::new_array); 408 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_multi_array", address, JVMCIRuntime::new_multi_array); 409 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_array", address, JVMCIRuntime::dynamic_new_array); 410 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_validate_object", address, JVMCIRuntime::validate_object); 411 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_pre", address, JVMCIRuntime::write_barrier_pre); 412 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_identity_hash_code", address, JVMCIRuntime::identity_hash_code); 413 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_post", address, JVMCIRuntime::write_barrier_post); 414 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_instance", address, JVMCIRuntime::dynamic_new_instance); 415 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_thread_is_interrupted", address, JVMCIRuntime::thread_is_interrupted); 416 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_exception_handler_for_pc", address, JVMCIRuntime::exception_handler_for_pc); 417 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_test_deoptimize_call_int", address, JVMCIRuntime::test_deoptimize_call_int); 418 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_and_post_jvmti_exception", address, JVMCIRuntime::throw_and_post_jvmti_exception); 419 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_klass_external_name_exception", address, JVMCIRuntime::throw_klass_external_name_exception); 420 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_class_cast_exception", address, JVMCIRuntime::throw_class_cast_exception); 421 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_message", address, JVMCIRuntime::vm_message); 422 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_error", address, JVMCIRuntime::vm_error); 423} 424 425void AOTCodeHeap::link_shared_runtime_symbols() { 426 SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_static_entry", address, SharedRuntime::get_resolve_static_call_stub()); 427 SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_virtual_entry", address, SharedRuntime::get_resolve_virtual_call_stub()); 428 SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_opt_virtual_entry", address, SharedRuntime::get_resolve_opt_virtual_call_stub()); 429 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_unpack", address, SharedRuntime::deopt_blob()->unpack()); 430 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_uncommon_trap", address, SharedRuntime::deopt_blob()->uncommon_trap()); 431 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_ic_miss_stub", address, SharedRuntime::get_ic_miss_stub()); 432 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_handle_wrong_method_stub", address, SharedRuntime::get_handle_wrong_method_stub()); 433 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_exception_handler_for_return_address", address, SharedRuntime::exception_handler_for_return_address); 434 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_register_finalizer", address, SharedRuntime::register_finalizer); 435 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_OSR_migration_end", address, SharedRuntime::OSR_migration_end); 436 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_string_by_symbol", address, CompilerRuntime::resolve_string_by_symbol); 437 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_klass_by_symbol", address, CompilerRuntime::resolve_klass_by_symbol); 438 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_method_by_symbol_and_load_counters", address, CompilerRuntime::resolve_method_by_symbol_and_load_counters); 439 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_initialize_klass_by_symbol", address, CompilerRuntime::initialize_klass_by_symbol); 440 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_invocation_event", address, CompilerRuntime::invocation_event); 441 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_backedge_event", address, CompilerRuntime::backedge_event); 442 443 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dpow", address, SharedRuntime::dpow); 444 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dexp", address, SharedRuntime::dexp); 445 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dcos", address, SharedRuntime::dcos); 446 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dsin", address, SharedRuntime::dsin); 447 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dtan", address, SharedRuntime::dtan); 448 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog", address, SharedRuntime::dlog); 449 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog10", address, SharedRuntime::dlog10); 450} 451 452void AOTCodeHeap::link_stub_routines_symbols() { 453 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_arraycopy", address, StubRoutines::_jbyte_arraycopy); 454 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_arraycopy", address, StubRoutines::_jshort_arraycopy); 455 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_arraycopy", address, StubRoutines::_jint_arraycopy); 456 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_arraycopy", address, StubRoutines::_jlong_arraycopy); 457 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy", address, StubRoutines::_oop_arraycopy); 458 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy_uninit", address, StubRoutines::_oop_arraycopy_uninit); 459 460 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_disjoint_arraycopy", address, StubRoutines::_jbyte_disjoint_arraycopy); 461 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_disjoint_arraycopy", address, StubRoutines::_jshort_disjoint_arraycopy); 462 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_disjoint_arraycopy", address, StubRoutines::_jint_disjoint_arraycopy); 463 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_disjoint_arraycopy", address, StubRoutines::_jlong_disjoint_arraycopy); 464 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy", address, StubRoutines::_oop_disjoint_arraycopy); 465 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy_uninit", address, StubRoutines::_oop_disjoint_arraycopy_uninit); 466 467 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_arraycopy", address, StubRoutines::_arrayof_jbyte_arraycopy); 468 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_arraycopy", address, StubRoutines::_arrayof_jshort_arraycopy); 469 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_arraycopy", address, StubRoutines::_arrayof_jint_arraycopy); 470 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_arraycopy", address, StubRoutines::_arrayof_jlong_arraycopy); 471 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy", address, StubRoutines::_arrayof_oop_arraycopy); 472 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy_uninit", address, StubRoutines::_arrayof_oop_arraycopy_uninit); 473 474 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_disjoint_arraycopy", address, StubRoutines::_arrayof_jbyte_disjoint_arraycopy); 475 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_disjoint_arraycopy", address, StubRoutines::_arrayof_jshort_disjoint_arraycopy); 476 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_disjoint_arraycopy", address, StubRoutines::_arrayof_jint_disjoint_arraycopy); 477 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_disjoint_arraycopy", address, StubRoutines::_arrayof_jlong_disjoint_arraycopy); 478 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy", address, StubRoutines::_arrayof_oop_disjoint_arraycopy); 479 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy_uninit", address, StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit); 480 481 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_checkcast_arraycopy", address, StubRoutines::_checkcast_arraycopy); 482 483 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_encryptBlock", address, StubRoutines::_aescrypt_encryptBlock); 484 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_decryptBlock", address, StubRoutines::_aescrypt_decryptBlock); 485 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_encryptAESCrypt", address, StubRoutines::_cipherBlockChaining_encryptAESCrypt); 486 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_decryptAESCrypt", address, StubRoutines::_cipherBlockChaining_decryptAESCrypt); 487 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_update_bytes_crc32", address, StubRoutines::_updateBytesCRC32); 488 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc_table_adr", address, StubRoutines::_crc_table_adr); 489 490 491 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompress", address, StubRoutines::_sha1_implCompress); 492 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompressMB", address, StubRoutines::_sha1_implCompressMB); 493 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompress", address, StubRoutines::_sha256_implCompress); 494 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompressMB", address, StubRoutines::_sha256_implCompressMB); 495 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompress", address, StubRoutines::_sha512_implCompress); 496 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompressMB", address, StubRoutines::_sha512_implCompressMB); 497 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_multiplyToLen", address, StubRoutines::_multiplyToLen); 498 499 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_counterMode_AESCrypt", address, StubRoutines::_counterMode_AESCrypt); 500 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_ghash_processBlocks", address, StubRoutines::_ghash_processBlocks); 501 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc32c_table_addr", address, StubRoutines::_crc32c_table_addr); 502 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesCRC32C", address, StubRoutines::_updateBytesCRC32C); 503 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesAdler32", address, StubRoutines::_updateBytesAdler32); 504 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_squareToLen", address, StubRoutines::_squareToLen); 505 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_mulAdd", address, StubRoutines::_mulAdd); 506 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomeryMultiply", address, StubRoutines::_montgomeryMultiply); 507 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomerySquare", address, StubRoutines::_montgomerySquare); 508 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_vectorizedMismatch", address, StubRoutines::_vectorizedMismatch); 509 510 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_throw_delayed_StackOverflowError_entry", address, StubRoutines::_throw_delayed_StackOverflowError_entry); 511 512} 513 514void AOTCodeHeap::link_os_symbols() { 515 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeMillis", address, os::javaTimeMillis); 516 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeNanos", address, os::javaTimeNanos); 517} 518 519/* 520 * Link any global symbols in precompiled DSO with dlopen() _dl_handle 521 * dso_handle. 522 */ 523 524void AOTCodeHeap::link_global_lib_symbols() { 525 if (!_lib_symbols_initialized) { 526 _lib_symbols_initialized = true; 527 528 CollectedHeap* heap = Universe::heap(); 529 CardTableModRefBS* ct = (CardTableModRefBS*)(heap->barrier_set()); 530 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_card_table_address", address, ct->byte_map_base); 531 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_top_address", address, (heap->supports_inline_contig_alloc() ? heap->top_addr() : NULL)); 532 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_end_address", address, (heap->supports_inline_contig_alloc() ? heap->end_addr() : NULL)); 533 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_polling_page", address, os::get_polling_page()); 534 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_narrow_klass_base_address", address, Universe::narrow_klass_base()); 535 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_narrow_oop_base_address", address, Universe::narrow_oop_base()); 536 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_log_of_heap_region_grain_bytes", int, HeapRegion::LogOfHRGrainBytes); 537 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_inline_contiguous_allocation_supported", bool, heap->supports_inline_contig_alloc()); 538 link_shared_runtime_symbols(); 539 link_stub_routines_symbols(); 540 link_os_symbols(); 541 link_graal_runtime_symbols(); 542 543 // Link primitive array klasses. 544 link_primitive_array_klasses(); 545 } 546} 547 548#ifndef PRODUCT 549int AOTCodeHeap::klasses_seen = 0; 550int AOTCodeHeap::aot_klasses_found = 0; 551int AOTCodeHeap::aot_klasses_fp_miss = 0; 552int AOTCodeHeap::aot_klasses_cl_miss = 0; 553int AOTCodeHeap::aot_methods_found = 0; 554 555void AOTCodeHeap::print_statistics() { 556 tty->print_cr("Classes seen: %d AOT classes found: %d AOT methods found: %d", klasses_seen, aot_klasses_found, aot_methods_found); 557 tty->print_cr("AOT fingerprint mismatches: %d AOT class loader mismatches: %d", aot_klasses_fp_miss, aot_klasses_cl_miss); 558} 559#endif 560 561Method* AOTCodeHeap::find_method(Klass* klass, Thread* thread, const char* method_name) { 562 int method_name_len = build_u2_from((address)method_name); 563 method_name += 2; 564 const char* signature_name = method_name + method_name_len; 565 int signature_name_len = build_u2_from((address)signature_name); 566 signature_name += 2; 567 // The class should have been loaded so the method and signature should already be 568 // in the symbol table. If they're not there, the method doesn't exist. 569 TempNewSymbol name = SymbolTable::probe(method_name, method_name_len); 570 TempNewSymbol signature = SymbolTable::probe(signature_name, signature_name_len); 571 572 Method* m; 573 if (name == NULL || signature == NULL) { 574 m = NULL; 575 } else if (name == vmSymbols::object_initializer_name() || 576 name == vmSymbols::class_initializer_name()) { 577 // Never search superclasses for constructors 578 if (klass->is_instance_klass()) { 579 m = InstanceKlass::cast(klass)->find_method(name, signature); 580 } else { 581 m = NULL; 582 } 583 } else { 584 m = klass->lookup_method(name, signature); 585 if (m == NULL && klass->is_instance_klass()) { 586 m = InstanceKlass::cast(klass)->lookup_method_in_ordered_interfaces(name, signature); 587 } 588 } 589 if (m == NULL) { 590 // Fatal error because we assume classes and methods should not be changed since aot compilation. 591 const char* klass_name = klass->external_name(); 592 int klass_len = (int)strlen(klass_name); 593 char* meta_name = NEW_RESOURCE_ARRAY(char, klass_len + 1 + method_name_len + signature_name_len + 1); 594 memcpy(meta_name, klass_name, klass_len); 595 meta_name[klass_len] = '.'; 596 memcpy(&meta_name[klass_len + 1], method_name, method_name_len); 597 memcpy(&meta_name[klass_len + 1 + method_name_len], signature_name, signature_name_len); 598 meta_name[klass_len + 1 + method_name_len + signature_name_len] = '\0'; 599 Handle exception = Exceptions::new_exception(thread, vmSymbols::java_lang_NoSuchMethodError(), meta_name); 600 java_lang_Throwable::print(exception(), tty); 601 tty->cr(); 602 java_lang_Throwable::print_stack_trace(exception, tty); 603 tty->cr(); 604 fatal("Failed to find method '%s'", meta_name); 605 } 606 NOT_PRODUCT( aot_methods_found++; ) 607 return m; 608} 609 610AOTKlassData* AOTCodeHeap::find_klass(InstanceKlass* ik) { 611 ResourceMark rm; 612 AOTKlassData* klass_data = (AOTKlassData*) os::dll_lookup(_lib->dl_handle(), ik->signature_name()); 613 return klass_data; 614} 615 616bool AOTCodeHeap::is_dependent_method(Klass* dependee, AOTCompiledMethod* aot) { 617 InstanceKlass *dependee_ik = InstanceKlass::cast(dependee); 618 AOTKlassData* klass_data = find_klass(dependee_ik); 619 if (klass_data == NULL) { 620 return false; // no AOT records for this class - no dependencies 621 } 622 if (!dependee_ik->has_passed_fingerprint_check()) { 623 return false; // different class 624 } 625 626 int methods_offset = klass_data->_dependent_methods_offset; 627 if (methods_offset >= 0) { 628 address methods_cnt_adr = _dependencies + methods_offset; 629 int methods_cnt = *(int*)methods_cnt_adr; 630 int* indexes = (int*)(methods_cnt_adr + 4); 631 for (int i = 0; i < methods_cnt; ++i) { 632 int code_id = indexes[i]; 633 if (_code_to_aot[code_id]._aot == aot) { 634 return true; // found dependent method 635 } 636 } 637 } 638 return false; 639} 640 641void AOTCodeHeap::sweep_dependent_methods(AOTKlassData* klass_data) { 642 // Make dependent methods non_entrant forever. 643 int methods_offset = klass_data->_dependent_methods_offset; 644 if (methods_offset >= 0) { 645 int marked = 0; 646 address methods_cnt_adr = _dependencies + methods_offset; 647 int methods_cnt = *(int*)methods_cnt_adr; 648 int* indexes = (int*)(methods_cnt_adr + 4); 649 for (int i = 0; i < methods_cnt; ++i) { 650 int code_id = indexes[i]; 651 // Invalidate aot code. 652 if (Atomic::cmpxchg(invalid, &_code_to_aot[code_id]._state, not_set) != not_set) { 653 if (_code_to_aot[code_id]._state == in_use) { 654 AOTCompiledMethod* aot = _code_to_aot[code_id]._aot; 655 assert(aot != NULL, "aot should be set"); 656 if (!aot->is_runtime_stub()) { // Something is wrong - should not invalidate stubs. 657 aot->mark_for_deoptimization(false); 658 marked++; 659 } 660 } 661 } 662 } 663 if (marked > 0) { 664 VM_Deoptimize op; 665 VMThread::execute(&op); 666 } 667 } 668} 669 670bool AOTCodeHeap::load_klass_data(InstanceKlass* ik, Thread* thread) { 671 ResourceMark rm; 672 673 NOT_PRODUCT( klasses_seen++; ) 674 675 AOTKlassData* klass_data = find_klass(ik); 676 if (klass_data == NULL) { 677 return false; 678 } 679 680 if (!ik->has_passed_fingerprint_check()) { 681 NOT_PRODUCT( aot_klasses_fp_miss++; ) 682 log_trace(aot, class, fingerprint)("class %s%s has bad fingerprint in %s tid=" INTPTR_FORMAT, 683 ik->internal_name(), ik->is_shared() ? " (shared)" : "", 684 _lib->name(), p2i(thread)); 685 sweep_dependent_methods(klass_data); 686 return false; 687 } 688 689 if (ik->has_been_redefined()) { 690 log_trace(aot, class, load)("class %s%s in %s has been redefined tid=" INTPTR_FORMAT, 691 ik->internal_name(), ik->is_shared() ? " (shared)" : "", 692 _lib->name(), p2i(thread)); 693 sweep_dependent_methods(klass_data); 694 return false; 695 } 696 697 assert(klass_data->_class_id < _class_count, "invalid class id"); 698 AOTClass* aot_class = &_classes[klass_data->_class_id]; 699 if (aot_class->_classloader != NULL && aot_class->_classloader != ik->class_loader_data()) { 700 log_trace(aot, class, load)("class %s in %s already loaded for classloader %p vs %p tid=" INTPTR_FORMAT, 701 ik->internal_name(), _lib->name(), aot_class->_classloader, ik->class_loader_data(), p2i(thread)); 702 NOT_PRODUCT( aot_klasses_cl_miss++; ) 703 return false; 704 } 705 706 if (_lib->config()->_omitAssertions && JavaAssertions::enabled(ik->name()->as_C_string(), ik->class_loader() == NULL)) { 707 log_trace(aot, class, load)("class %s in %s does not have java assertions in compiled code, but assertions are enabled for this execution.", ik->internal_name(), _lib->name()); 708 sweep_dependent_methods(klass_data); 709 return false; 710 } 711 712 NOT_PRODUCT( aot_klasses_found++; ) 713 714 log_trace(aot, class, load)("found %s in %s for classloader %p tid=" INTPTR_FORMAT, ik->internal_name(), _lib->name(), ik->class_loader_data(), p2i(thread)); 715 716 aot_class->_classloader = ik->class_loader_data(); 717 // Set klass's Resolve (second) got cell. 718 _klasses_got[klass_data->_got_index] = ik; 719 720 // Initialize global symbols of the DSO to the corresponding VM symbol values. 721 link_global_lib_symbols(); 722 723 int methods_offset = klass_data->_compiled_methods_offset; 724 if (methods_offset >= 0) { 725 address methods_cnt_adr = _methods_offsets + methods_offset; 726 int methods_cnt = *(int*)methods_cnt_adr; 727 // Collect data about compiled methods 728 AOTMethodData* methods_data = NEW_RESOURCE_ARRAY(AOTMethodData, methods_cnt); 729 AOTMethodOffsets* methods_offsets = (AOTMethodOffsets*)(methods_cnt_adr + 4); 730 for (int i = 0; i < methods_cnt; ++i) { 731 AOTMethodOffsets* method_offsets = &methods_offsets[i]; 732 int code_id = method_offsets->_code_id; 733 if (_code_to_aot[code_id]._state == invalid) { 734 continue; // skip AOT methods slots which have been invalidated 735 } 736 AOTMethodData* method_data = &methods_data[i]; 737 const char* aot_name = _metaspace_names + method_offsets->_name_offset; 738 method_data->_name = aot_name; 739 method_data->_code = _code_space + method_offsets->_code_offset; 740 method_data->_meta = (aot_metadata*)(_method_metadata + method_offsets->_meta_offset); 741 method_data->_metadata_table = (address)_metadata_got + method_offsets->_metadata_got_offset; 742 method_data->_metadata_size = method_offsets->_metadata_got_size; 743 // aot_name format: "<u2_size>Ljava/lang/ThreadGroup;<u2_size>addUnstarted<u2_size>()V" 744 int klass_len = build_u2_from((address)aot_name); 745 const char* method_name = aot_name + 2 + klass_len; 746 Method* m = AOTCodeHeap::find_method(ik, thread, method_name); 747 methodHandle mh(thread, m); 748 if (mh->code() != NULL) { // Does it have already compiled code? 749 continue; // Don't overwrite 750 } 751 publish_aot(mh, method_data, code_id); 752 } 753 } 754 return true; 755} 756 757AOTCompiledMethod* AOTCodeHeap::next_in_use_at(int start) const { 758 for (int index = start; index < _method_count; index++) { 759 if (_code_to_aot[index]._state != in_use) { 760 continue; // Skip uninitialized entries. 761 } 762 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 763 return aot; 764 } 765 return NULL; 766} 767 768void* AOTCodeHeap::first() const { 769 return next_in_use_at(0); 770} 771 772void* AOTCodeHeap::next(void* p) const { 773 AOTCompiledMethod *aot = (AOTCompiledMethod *)p; 774 int next_index = aot->method_index() + 1; 775 assert(next_index <= _method_count, ""); 776 if (next_index == _method_count) { 777 return NULL; 778 } 779 return next_in_use_at(next_index); 780} 781 782void* AOTCodeHeap::find_start(void* p) const { 783 if (!contains(p)) { 784 return NULL; 785 } 786 size_t offset = pointer_delta(p, low_boundary(), 1); 787 // Use segments table 788 size_t seg_idx = offset / _lib->config()->_codeSegmentSize; 789 if ((int)(_code_segments[seg_idx]) == 0xff) { 790 return NULL; 791 } 792 while (_code_segments[seg_idx] > 0) { 793 seg_idx -= (int)_code_segments[seg_idx]; 794 } 795 int code_offset = (int)seg_idx * _lib->config()->_codeSegmentSize; 796 int aot_index = *(int*)(_code_space + code_offset); 797 AOTCompiledMethod* aot = _code_to_aot[aot_index]._aot; 798 assert(aot != NULL, "should find registered aot method"); 799 return aot; 800} 801 802AOTCompiledMethod* AOTCodeHeap::find_aot(address p) const { 803 assert(contains(p), "should be here"); 804 return (AOTCompiledMethod *)find_start(p); 805} 806 807CodeBlob* AOTCodeHeap::find_blob_unsafe(void* start) const { 808 return (CodeBlob*)AOTCodeHeap::find_start(start); 809} 810 811void AOTCodeHeap::oops_do(OopClosure* f) { 812 for (int i = 0; i < _oop_got_size; i++) { 813 oop* p = &_oop_got[i]; 814 if (*p == NULL) continue; // skip non-oops 815 f->do_oop(p); 816 } 817 for (int index = 0; index < _method_count; index++) { 818 if (_code_to_aot[index]._state != in_use) { 819 continue; // Skip uninitialized entries. 820 } 821 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 822 aot->do_oops(f); 823 } 824} 825 826// Scan only klasses_got cells which should have only Klass*, 827// metadata_got cells are scanned only for alive AOT methods 828// by AOTCompiledMethod::metadata_do(). 829void AOTCodeHeap::got_metadata_do(void f(Metadata*)) { 830 for (int i = 1; i < _klasses_got_size; i++) { 831 Metadata** p = &_klasses_got[i]; 832 Metadata* md = *p; 833 if (md == NULL) continue; // skip non-oops 834 if (Metaspace::contains(md)) { 835 f(md); 836 } else { 837 intptr_t meta = (intptr_t)md; 838 fatal("Invalid value in _metaspace_got[%d] = " INTPTR_FORMAT, i, meta); 839 } 840 } 841} 842 843void AOTCodeHeap::cleanup_inline_caches() { 844 for (int index = 0; index < _method_count; index++) { 845 if (_code_to_aot[index]._state != in_use) { 846 continue; // Skip uninitialized entries. 847 } 848 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 849 aot->cleanup_inline_caches(); 850 } 851} 852 853#ifdef ASSERT 854int AOTCodeHeap::verify_icholder_relocations() { 855 int count = 0; 856 for (int index = 0; index < _method_count; index++) { 857 if (_code_to_aot[index]._state != in_use) { 858 continue; // Skip uninitialized entries. 859 } 860 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 861 count += aot->verify_icholder_relocations(); 862 } 863 return count; 864} 865#endif 866 867void AOTCodeHeap::flush_evol_dependents_on(InstanceKlass* dependee) { 868 for (int index = 0; index < _method_count; index++) { 869 if (_code_to_aot[index]._state != in_use) { 870 continue; // Skip uninitialized entries. 871 } 872 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 873 aot->flush_evol_dependents_on(dependee); 874 } 875} 876 877void AOTCodeHeap::metadata_do(void f(Metadata*)) { 878 for (int index = 0; index < _method_count; index++) { 879 if (_code_to_aot[index]._state != in_use) { 880 continue; // Skip uninitialized entries. 881 } 882 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 883 if (aot->_is_alive()) { 884 aot->metadata_do(f); 885 } 886 } 887 // Scan metaspace_got cells. 888 got_metadata_do(f); 889} 890