1/* 2 * Copyright (c) 2016, 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) dlsym(_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*)_metaspace_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 _metaspace_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->_useCMSGC, UseConcMarkSweepGC, "UseConcMarkSweepGC"); 156 verify_flag(_config->_useTLAB, UseTLAB, "UseTLAB"); 157 verify_flag(_config->_useBiasedLocking, UseBiasedLocking, "UseBiasedLocking"); 158 verify_flag(_config->_objectAlignment, ObjectAlignmentInBytes, "ObjectAlignmentInBytes"); 159 verify_flag(_config->_contendedPaddingWidth, ContendedPaddingWidth, "ContendedPaddingWidth"); 160 verify_flag(_config->_fieldsAllocationStyle, FieldsAllocationStyle, "FieldsAllocationStyle"); 161 verify_flag(_config->_compactFields, CompactFields, "CompactFields"); 162 verify_flag(_config->_enableContended, EnableContended, "EnableContended"); 163 verify_flag(_config->_restrictContended, RestrictContended, "RestrictContended"); 164 165 if (!TieredCompilation && _config->_tieredAOT) { 166 handle_config_error("Shared file %s error: Expected to run with tiered compilation on", _name); 167 } 168 169 // Shifts are static values which initialized by 0 until java heap initialization. 170 // AOT libs are loaded before heap initialized so shift values are not set. 171 // It is okay since ObjectAlignmentInBytes flag which defines shifts value is set before AOT libs are loaded. 172 // Set shifts value based on first AOT library config. 173 if (UseCompressedOops && _valid) { 174 if (!_narrow_oop_shift_initialized) { 175 _narrow_oop_shift = _config->_narrowOopShift; 176 if (UseCompressedClassPointers) { // It is set only if UseCompressedOops is set 177 _narrow_klass_shift = _config->_narrowKlassShift; 178 } 179 _narrow_oop_shift_initialized = true; 180 } else { 181 verify_flag(_config->_narrowOopShift, _narrow_oop_shift, "aot_config->_narrowOopShift"); 182 if (UseCompressedClassPointers) { // It is set only if UseCompressedOops is set 183 verify_flag(_config->_narrowKlassShift, _narrow_klass_shift, "aot_config->_narrowKlassShift"); 184 } 185 } 186 } 187} 188 189AOTLib::~AOTLib() { 190 free((void*) _name); 191} 192 193AOTCodeHeap::~AOTCodeHeap() { 194 if (_classes != NULL) { 195 FREE_C_HEAP_ARRAY(AOTClass, _classes); 196 } 197 if (_code_to_aot != NULL) { 198 FREE_C_HEAP_ARRAY(CodeToAMethod, _code_to_aot); 199 } 200} 201 202AOTLib::AOTLib(void* handle, const char* name, int dso_id) : _valid(true), _dl_handle(handle), _dso_id(dso_id) { 203 _name = (const char*) strdup(name); 204 205 // Verify that VM runs with the same parameters as AOT tool. 206 _config = (AOTConfiguration*) load_symbol("JVM.config"); 207 _header = (AOTHeader*) load_symbol("JVM.header"); 208 209 verify_config(); 210 211 if (!_valid && PrintAOT) { 212 tty->print("%7d ", (int) tty->time_stamp().milliseconds()); 213 tty->print_cr("%4d skipped %s aot library", _dso_id, _name); 214 } 215} 216 217AOTCodeHeap::AOTCodeHeap(AOTLib* lib) : 218 CodeHeap("CodeHeap 'AOT'", CodeBlobType::AOT), _lib(lib), _classes(NULL), _code_to_aot(NULL) { 219 assert(_lib->is_valid(), "invalid library"); 220 221 _lib_symbols_initialized = false; 222 _aot_id = 0; 223 224 _class_count = _lib->header()->_class_count; 225 _method_count = _lib->header()->_method_count; 226 227 // Collect metaspace info: names -> address in .got section 228 _metaspace_names = (const char*) _lib->load_symbol("JVM.metaspace.names"); 229 _method_metadata = (address) _lib->load_symbol("JVM.method.metadata"); 230 _methods_offsets = (address) _lib->load_symbol("JVM.methods.offsets"); 231 _klasses_offsets = (address) _lib->load_symbol("JVM.klasses.offsets"); 232 _dependencies = (address) _lib->load_symbol("JVM.klasses.dependencies"); 233 _code_space = (address) _lib->load_symbol("JVM.text"); 234 235 // First cell is number of elements. 236 jlong* got_sect; 237 _metaspace_got = (Metadata**) _lib->load_symbol("JVM.metaspace.got"); 238 _metaspace_got_size = _lib->header()->_metaspace_got_size; 239 240 _metadata_got = (Metadata**) _lib->load_symbol("JVM.metadata.got"); 241 _metadata_got_size = _lib->header()->_metadata_got_size; 242 243 _oop_got = (oop*) _lib->load_symbol("JVM.oop.got"); 244 _oop_got_size = _lib->header()->_oop_got_size; 245 246 // Collect stubs info 247 _stubs_offsets = (int*) _lib->load_symbol("JVM.stubs.offsets"); 248 249 // code segments table 250 _code_segments = (address) _lib->load_symbol("JVM.code.segments"); 251 252 // method state 253 _method_state = (jlong*) _lib->load_symbol("JVM.method.state"); 254 255 // Create a table for mapping classes 256 _classes = NEW_C_HEAP_ARRAY(AOTClass, _class_count, mtCode); 257 memset(_classes, 0, _class_count * sizeof(AOTClass)); 258 259 // Create table for searching AOTCompiledMethod based on pc. 260 _code_to_aot = NEW_C_HEAP_ARRAY(CodeToAMethod, _method_count, mtCode); 261 memset(_code_to_aot, 0, _method_count * sizeof(CodeToAMethod)); 262 263 _low_boundary = _code_space; 264 _memory.set_low_boundary((char *)_code_space); 265 _memory.set_high_boundary((char *)_code_space); 266 _memory.set_low((char *)_code_space); 267 _memory.set_high((char *)_code_space); 268 269 _segmap.set_low_boundary((char *)_code_segments); 270 _segmap.set_low((char *)_code_segments); 271 272 _log2_segment_size = exact_log2(_lib->config()->_codeSegmentSize); 273 274 // Register aot stubs 275 register_stubs(); 276 277 if (PrintAOT || (PrintCompilation && PrintAOT)) { 278 tty->print("%7d ", (int) tty->time_stamp().milliseconds()); 279 tty->print_cr("%4d loaded %s aot library", _lib->id(), _lib->name()); 280 } 281} 282 283void AOTCodeHeap::publish_aot(const methodHandle& mh, AOTMethodData* method_data, int code_id) { 284 // The method may be explicitly excluded by the user. 285 // Or Interpreter uses an intrinsic for this method. 286 if (CompilerOracle::should_exclude(mh) || !AbstractInterpreter::can_be_compiled(mh)) { 287 return; 288 } 289 290 address code = method_data->_code; 291 const char* name = method_data->_name; 292 aot_metadata* meta = method_data->_meta; 293 294 if (meta->scopes_pcs_begin() == meta->scopes_pcs_end()) { 295 // When the AOT compiler compiles something big we fail to generate metadata 296 // in CodeInstaller::gather_metadata. In that case the scopes_pcs_begin == scopes_pcs_end. 297 // In all successful cases we always have 2 entries of scope pcs. 298 log_info(aot, class, resolve)("Failed to load %s (no metadata available)", mh->name_and_sig_as_C_string()); 299 _code_to_aot[code_id]._state = invalid; 300 return; 301 } 302 303 jlong* state_adr = &_method_state[code_id]; 304 address metadata_table = method_data->_metadata_table; 305 int metadata_size = method_data->_metadata_size; 306 assert(code_id < _method_count, "sanity"); 307 _aot_id++; 308 309#ifdef ASSERT 310 if (_aot_id > CIStop || _aot_id < CIStart) { 311 // Skip compilation 312 return; 313 } 314#endif 315 // Check one more time. 316 if (_code_to_aot[code_id]._state == invalid) { 317 return; 318 } 319 AOTCompiledMethod *aot = new AOTCompiledMethod(code, mh(), meta, metadata_table, metadata_size, state_adr, this, name, code_id, _aot_id); 320 assert(_code_to_aot[code_id]._aot == NULL, "should be not initialized"); 321 _code_to_aot[code_id]._aot = aot; // Should set this first 322 if (Atomic::cmpxchg(in_use, (jint*)&_code_to_aot[code_id]._state, not_set) != not_set) { 323 _code_to_aot[code_id]._aot = NULL; // Clean 324 } else { // success 325 // Publish method 326#ifdef TIERED 327 mh->set_aot_code(aot); 328#endif 329 Method::set_code(mh, aot); 330 if (PrintAOT || (PrintCompilation && PrintAOT)) { 331 aot->print_on(tty, NULL); 332 } 333 // Publish oop only after we are visible to CompiledMethodIterator 334 aot->set_oop(mh()->method_holder()->klass_holder()); 335 } 336} 337 338void AOTCodeHeap::link_primitive_array_klasses() { 339 ResourceMark rm; 340 for (int i = T_BOOLEAN; i <= T_CONFLICT; i++) { 341 BasicType t = (BasicType)i; 342 if (is_java_primitive(t)) { 343 const Klass* arr_klass = Universe::typeArrayKlassObj(t); 344 AOTKlassData* klass_data = (AOTKlassData*) dlsym(_lib->dl_handle(), arr_klass->signature_name()); 345 if (klass_data != NULL) { 346 // Set both GOT cells, resolved and initialized klass pointers. 347 // _got_index points to second cell - resolved klass pointer. 348 _metaspace_got[klass_data->_got_index-1] = (Metadata*)arr_klass; // Initialized 349 _metaspace_got[klass_data->_got_index ] = (Metadata*)arr_klass; // Resolved 350 if (PrintAOT) { 351 tty->print_cr("[Found %s in %s]", arr_klass->internal_name(), _lib->name()); 352 } 353 } 354 } 355 } 356} 357 358void AOTCodeHeap::register_stubs() { 359 int stubs_count = _stubs_offsets[0]; // contains number 360 _stubs_offsets++; 361 AOTMethodOffsets* stub_offsets = (AOTMethodOffsets*)_stubs_offsets; 362 for (int i = 0; i < stubs_count; ++i) { 363 const char* stub_name = _metaspace_names + stub_offsets[i]._name_offset; 364 address entry = _code_space + stub_offsets[i]._code_offset; 365 aot_metadata* meta = (aot_metadata *) (_method_metadata + stub_offsets[i]._meta_offset); 366 address metadata_table = (address)_metadata_got + stub_offsets[i]._metadata_got_offset; 367 int metadata_size = stub_offsets[i]._metadata_got_size; 368 int code_id = stub_offsets[i]._code_id; 369 assert(code_id < _method_count, "sanity"); 370 jlong* state_adr = &_method_state[code_id]; 371 int len = build_u2_from((address)stub_name); 372 stub_name += 2; 373 char* full_name = NEW_C_HEAP_ARRAY(char, len+5, mtCode); 374 if (full_name == NULL) { // No memory? 375 break; 376 } 377 memcpy(full_name, "AOT ", 4); 378 memcpy(full_name+4, stub_name, len); 379 full_name[len+4] = 0; 380 guarantee(_code_to_aot[code_id]._state != invalid, "stub %s can't be invalidated", full_name); 381 AOTCompiledMethod* aot = new AOTCompiledMethod(entry, NULL, meta, metadata_table, metadata_size, state_adr, this, full_name, code_id, i); 382 assert(_code_to_aot[code_id]._aot == NULL, "should be not initialized"); 383 _code_to_aot[code_id]._aot = aot; 384 if (Atomic::cmpxchg(in_use, (jint*)&_code_to_aot[code_id]._state, not_set) != not_set) { 385 fatal("stab '%s' code state is %d", full_name, _code_to_aot[code_id]._state); 386 } 387 // Adjust code buffer boundaries only for stubs because they are last in the buffer. 388 adjust_boundaries(aot); 389 if (PrintAOT && Verbose) { 390 aot->print_on(tty, NULL); 391 } 392 } 393} 394 395#define SET_AOT_GLOBAL_SYMBOL_VALUE(AOTSYMNAME, AOTSYMTYPE, VMSYMVAL) \ 396 { \ 397 char* error; \ 398 /* Clear any existing error */ \ 399 dlerror(); \ 400 AOTSYMTYPE * adr = (AOTSYMTYPE *) dlsym(_lib->dl_handle(), AOTSYMNAME); \ 401 /* Check for any dlsym lookup error */ \ 402 error = dlerror(); \ 403 guarantee(error == NULL, "%s", error); \ 404 *adr = (AOTSYMTYPE) VMSYMVAL; \ 405 } 406 407void AOTCodeHeap::link_graal_runtime_symbols() { 408 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorenter", address, JVMCIRuntime::monitorenter); 409 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorexit", address, JVMCIRuntime::monitorexit); 410 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_object", address, JVMCIRuntime::log_object); 411 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_printf", address, JVMCIRuntime::log_printf); 412 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_primitive", address, JVMCIRuntime::log_primitive); 413 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_instance", address, JVMCIRuntime::new_instance); 414 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_array", address, JVMCIRuntime::new_array); 415 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_multi_array", address, JVMCIRuntime::new_multi_array); 416 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_array", address, JVMCIRuntime::dynamic_new_array); 417 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_validate_object", address, JVMCIRuntime::validate_object); 418 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_pre", address, JVMCIRuntime::write_barrier_pre); 419 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_identity_hash_code", address, JVMCIRuntime::identity_hash_code); 420 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_post", address, JVMCIRuntime::write_barrier_post); 421 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_instance", address, JVMCIRuntime::dynamic_new_instance); 422 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_thread_is_interrupted", address, JVMCIRuntime::thread_is_interrupted); 423 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_exception_handler_for_pc", address, JVMCIRuntime::exception_handler_for_pc); 424 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_test_deoptimize_call_int", address, JVMCIRuntime::test_deoptimize_call_int); 425 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_and_post_jvmti_exception", address, JVMCIRuntime::throw_and_post_jvmti_exception); 426 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_klass_external_name_exception", address, JVMCIRuntime::throw_klass_external_name_exception); 427 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_class_cast_exception", address, JVMCIRuntime::throw_class_cast_exception); 428 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_message", address, JVMCIRuntime::vm_message); 429 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_error", address, JVMCIRuntime::vm_error); 430} 431 432void AOTCodeHeap::link_shared_runtime_symbols() { 433 SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_static_entry", address, SharedRuntime::get_resolve_static_call_stub()); 434 SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_virtual_entry", address, SharedRuntime::get_resolve_virtual_call_stub()); 435 SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_opt_virtual_entry", address, SharedRuntime::get_resolve_opt_virtual_call_stub()); 436 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_unpack", address, SharedRuntime::deopt_blob()->unpack()); 437 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_uncommon_trap", address, SharedRuntime::deopt_blob()->uncommon_trap()); 438 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_ic_miss_stub", address, SharedRuntime::get_ic_miss_stub()); 439 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_handle_wrong_method_stub", address, SharedRuntime::get_handle_wrong_method_stub()); 440 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_exception_handler_for_return_address", address, SharedRuntime::exception_handler_for_return_address); 441 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_register_finalizer", address, SharedRuntime::register_finalizer); 442 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_OSR_migration_end", address, SharedRuntime::OSR_migration_end); 443 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_string_by_symbol", address, CompilerRuntime::resolve_string_by_symbol); 444 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_klass_by_symbol", address, CompilerRuntime::resolve_klass_by_symbol); 445 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_method_by_symbol_and_load_counters", address, CompilerRuntime::resolve_method_by_symbol_and_load_counters); 446 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_initialize_klass_by_symbol", address, CompilerRuntime::initialize_klass_by_symbol); 447 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_invocation_event", address, CompilerRuntime::invocation_event); 448 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_backedge_event", address, CompilerRuntime::backedge_event); 449 450 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dpow", address, SharedRuntime::dpow); 451 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dexp", address, SharedRuntime::dexp); 452 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dcos", address, SharedRuntime::dcos); 453 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dsin", address, SharedRuntime::dsin); 454 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dtan", address, SharedRuntime::dtan); 455 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog", address, SharedRuntime::dlog); 456 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog10", address, SharedRuntime::dlog10); 457} 458 459void AOTCodeHeap::link_stub_routines_symbols() { 460 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_arraycopy", address, StubRoutines::_jbyte_arraycopy); 461 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_arraycopy", address, StubRoutines::_jshort_arraycopy); 462 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_arraycopy", address, StubRoutines::_jint_arraycopy); 463 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_arraycopy", address, StubRoutines::_jlong_arraycopy); 464 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy", address, StubRoutines::_oop_arraycopy); 465 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy_uninit", address, StubRoutines::_oop_arraycopy_uninit); 466 467 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_disjoint_arraycopy", address, StubRoutines::_jbyte_disjoint_arraycopy); 468 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_disjoint_arraycopy", address, StubRoutines::_jshort_disjoint_arraycopy); 469 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_disjoint_arraycopy", address, StubRoutines::_jint_disjoint_arraycopy); 470 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_disjoint_arraycopy", address, StubRoutines::_jlong_disjoint_arraycopy); 471 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy", address, StubRoutines::_oop_disjoint_arraycopy); 472 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy_uninit", address, StubRoutines::_oop_disjoint_arraycopy_uninit); 473 474 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_arraycopy", address, StubRoutines::_arrayof_jbyte_arraycopy); 475 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_arraycopy", address, StubRoutines::_arrayof_jshort_arraycopy); 476 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_arraycopy", address, StubRoutines::_arrayof_jint_arraycopy); 477 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_arraycopy", address, StubRoutines::_arrayof_jlong_arraycopy); 478 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy", address, StubRoutines::_arrayof_oop_arraycopy); 479 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy_uninit", address, StubRoutines::_arrayof_oop_arraycopy_uninit); 480 481 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_disjoint_arraycopy", address, StubRoutines::_arrayof_jbyte_disjoint_arraycopy); 482 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_disjoint_arraycopy", address, StubRoutines::_arrayof_jshort_disjoint_arraycopy); 483 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_disjoint_arraycopy", address, StubRoutines::_arrayof_jint_disjoint_arraycopy); 484 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_disjoint_arraycopy", address, StubRoutines::_arrayof_jlong_disjoint_arraycopy); 485 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy", address, StubRoutines::_arrayof_oop_disjoint_arraycopy); 486 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy_uninit", address, StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit); 487 488 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_checkcast_arraycopy", address, StubRoutines::_checkcast_arraycopy); 489 490 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_encryptBlock", address, StubRoutines::_aescrypt_encryptBlock); 491 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_decryptBlock", address, StubRoutines::_aescrypt_decryptBlock); 492 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_encryptAESCrypt", address, StubRoutines::_cipherBlockChaining_encryptAESCrypt); 493 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_decryptAESCrypt", address, StubRoutines::_cipherBlockChaining_decryptAESCrypt); 494 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_update_bytes_crc32", address, StubRoutines::_updateBytesCRC32); 495 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc_table_adr", address, StubRoutines::_crc_table_adr); 496 497 498 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompress", address, StubRoutines::_sha1_implCompress); 499 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompressMB", address, StubRoutines::_sha1_implCompressMB); 500 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompress", address, StubRoutines::_sha256_implCompress); 501 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompressMB", address, StubRoutines::_sha256_implCompressMB); 502 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompress", address, StubRoutines::_sha512_implCompress); 503 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompressMB", address, StubRoutines::_sha512_implCompressMB); 504 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_multiplyToLen", address, StubRoutines::_multiplyToLen); 505 506 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_counterMode_AESCrypt", address, StubRoutines::_counterMode_AESCrypt); 507 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_ghash_processBlocks", address, StubRoutines::_ghash_processBlocks); 508 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc32c_table_addr", address, StubRoutines::_crc32c_table_addr); 509 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesCRC32C", address, StubRoutines::_updateBytesCRC32C); 510 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesAdler32", address, StubRoutines::_updateBytesAdler32); 511 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_squareToLen", address, StubRoutines::_squareToLen); 512 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_mulAdd", address, StubRoutines::_mulAdd); 513 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomeryMultiply", address, StubRoutines::_montgomeryMultiply); 514 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomerySquare", address, StubRoutines::_montgomerySquare); 515 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_vectorizedMismatch", address, StubRoutines::_vectorizedMismatch); 516 517 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_throw_delayed_StackOverflowError_entry", address, StubRoutines::_throw_delayed_StackOverflowError_entry); 518 519} 520 521void AOTCodeHeap::link_os_symbols() { 522 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeMillis", address, os::javaTimeMillis); 523 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeNanos", address, os::javaTimeNanos); 524} 525 526/* 527 * Link any global symbols in precompiled DSO with dlopen() _dl_handle 528 * dso_handle. 529 */ 530 531void AOTCodeHeap::link_global_lib_symbols() { 532 if (!_lib_symbols_initialized) { 533 _lib_symbols_initialized = true; 534 535 CollectedHeap* heap = Universe::heap(); 536 CardTableModRefBS* ct = (CardTableModRefBS*)(heap->barrier_set()); 537 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_card_table_address", address, ct->byte_map_base); 538 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_top_address", address, (heap->supports_inline_contig_alloc() ? heap->top_addr() : NULL)); 539 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_end_address", address, (heap->supports_inline_contig_alloc() ? heap->end_addr() : NULL)); 540 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_polling_page", address, os::get_polling_page()); 541 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_narrow_klass_base_address", address, Universe::narrow_klass_base()); 542 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_narrow_oop_base_address", address, Universe::narrow_oop_base()); 543 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_log_of_heap_region_grain_bytes", int, HeapRegion::LogOfHRGrainBytes); 544 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_inline_contiguous_allocation_supported", bool, heap->supports_inline_contig_alloc()); 545 link_shared_runtime_symbols(); 546 link_stub_routines_symbols(); 547 link_os_symbols(); 548 link_graal_runtime_symbols(); 549 550 // Link primitive array klasses. 551 link_primitive_array_klasses(); 552 } 553} 554 555#ifndef PRODUCT 556int AOTCodeHeap::klasses_seen = 0; 557int AOTCodeHeap::aot_klasses_found = 0; 558int AOTCodeHeap::aot_klasses_fp_miss = 0; 559int AOTCodeHeap::aot_klasses_cl_miss = 0; 560int AOTCodeHeap::aot_methods_found = 0; 561 562void AOTCodeHeap::print_statistics() { 563 tty->print_cr("Classes seen: %d AOT classes found: %d AOT methods found: %d", klasses_seen, aot_klasses_found, aot_methods_found); 564 tty->print_cr("AOT fingerprint mismatches: %d AOT class loader mismatches: %d", aot_klasses_fp_miss, aot_klasses_cl_miss); 565} 566#endif 567 568Method* AOTCodeHeap::find_method(KlassHandle klass, Thread* thread, const char* method_name) { 569 int method_name_len = build_u2_from((address)method_name); 570 method_name += 2; 571 const char* signature_name = method_name + method_name_len; 572 int signature_name_len = build_u2_from((address)signature_name); 573 signature_name += 2; 574 // The class should have been loaded so the method and signature should already be 575 // in the symbol table. If they're not there, the method doesn't exist. 576 TempNewSymbol name = SymbolTable::probe(method_name, method_name_len); 577 TempNewSymbol signature = SymbolTable::probe(signature_name, signature_name_len); 578 579 Method* m; 580 if (name == NULL || signature == NULL) { 581 m = NULL; 582 } else if (name == vmSymbols::object_initializer_name() || 583 name == vmSymbols::class_initializer_name()) { 584 // Never search superclasses for constructors 585 if (klass->is_instance_klass()) { 586 m = InstanceKlass::cast(klass())->find_method(name, signature); 587 } else { 588 m = NULL; 589 } 590 } else { 591 m = klass->lookup_method(name, signature); 592 if (m == NULL && klass->is_instance_klass()) { 593 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); 594 } 595 } 596 if (m == NULL) { 597 // Fatal error because we assume classes and methods should not be changed since aot compilation. 598 const char* klass_name = klass->external_name(); 599 int klass_len = (int)strlen(klass_name); 600 char* meta_name = NEW_RESOURCE_ARRAY(char, klass_len + 1 + method_name_len + signature_name_len + 1); 601 memcpy(meta_name, klass_name, klass_len); 602 meta_name[klass_len] = '.'; 603 memcpy(&meta_name[klass_len + 1], method_name, method_name_len); 604 memcpy(&meta_name[klass_len + 1 + method_name_len], signature_name, signature_name_len); 605 meta_name[klass_len + 1 + method_name_len + signature_name_len] = '\0'; 606 Handle exception = Exceptions::new_exception(thread, vmSymbols::java_lang_NoSuchMethodError(), meta_name); 607 java_lang_Throwable::print(exception, tty); 608 tty->cr(); 609 java_lang_Throwable::print_stack_trace(exception(), tty); 610 tty->cr(); 611 fatal("Failed to find method '%s'", meta_name); 612 } 613 NOT_PRODUCT( aot_methods_found++; ) 614 return m; 615} 616 617AOTKlassData* AOTCodeHeap::find_klass(InstanceKlass* ik) { 618 ResourceMark rm; 619 AOTKlassData* klass_data = (AOTKlassData*) dlsym(_lib->dl_handle(), ik->signature_name()); 620 return klass_data; 621} 622 623bool AOTCodeHeap::is_dependent_method(Klass* dependee, AOTCompiledMethod* aot) { 624 InstanceKlass *dependee_ik = InstanceKlass::cast(dependee); 625 AOTKlassData* klass_data = find_klass(dependee_ik); 626 if (klass_data == NULL) { 627 return false; // no AOT records for this class - no dependencies 628 } 629 if (!dependee_ik->has_passed_fingerprint_check()) { 630 return false; // different class 631 } 632 633 int methods_offset = klass_data->_dependent_methods_offset; 634 if (methods_offset >= 0) { 635 address methods_cnt_adr = _dependencies + methods_offset; 636 int methods_cnt = *(int*)methods_cnt_adr; 637 int* indexes = (int*)(methods_cnt_adr + 4); 638 for (int i = 0; i < methods_cnt; ++i) { 639 int code_id = indexes[i]; 640 if (_code_to_aot[code_id]._aot == aot) { 641 return true; // found dependent method 642 } 643 } 644 } 645 return false; 646} 647 648void AOTCodeHeap::sweep_dependent_methods(AOTKlassData* klass_data) { 649 // Make dependent methods non_entrant forever. 650 int methods_offset = klass_data->_dependent_methods_offset; 651 if (methods_offset >= 0) { 652 int marked = 0; 653 address methods_cnt_adr = _dependencies + methods_offset; 654 int methods_cnt = *(int*)methods_cnt_adr; 655 int* indexes = (int*)(methods_cnt_adr + 4); 656 for (int i = 0; i < methods_cnt; ++i) { 657 int code_id = indexes[i]; 658 // Invalidate aot code. 659 if (Atomic::cmpxchg(invalid, (jint*)&_code_to_aot[code_id]._state, not_set) != not_set) { 660 if (_code_to_aot[code_id]._state == in_use) { 661 AOTCompiledMethod* aot = _code_to_aot[code_id]._aot; 662 assert(aot != NULL, "aot should be set"); 663 if (!aot->is_runtime_stub()) { // Something is wrong - should not invalidate stubs. 664 aot->mark_for_deoptimization(false); 665 marked++; 666 } 667 } 668 } 669 } 670 if (marked > 0) { 671 VM_Deoptimize op; 672 VMThread::execute(&op); 673 } 674 } 675} 676 677bool AOTCodeHeap::load_klass_data(instanceKlassHandle kh, Thread* thread) { 678 ResourceMark rm; 679 680 NOT_PRODUCT( klasses_seen++; ) 681 682 AOTKlassData* klass_data = find_klass(kh()); 683 if (klass_data == NULL) { 684 return false; 685 } 686 687 if (!kh->has_passed_fingerprint_check()) { 688 NOT_PRODUCT( aot_klasses_fp_miss++; ) 689 log_trace(aot, class, fingerprint)("class %s%s has bad fingerprint in %s tid=" INTPTR_FORMAT, 690 kh->internal_name(), kh->is_shared() ? " (shared)" : "", 691 _lib->name(), p2i(thread)); 692 sweep_dependent_methods(klass_data); 693 return false; 694 } 695 696 if (kh->has_been_redefined()) { 697 log_trace(aot, class, load)("class %s%s in %s has been redefined tid=" INTPTR_FORMAT, 698 kh->internal_name(), kh->is_shared() ? " (shared)" : "", 699 _lib->name(), p2i(thread)); 700 sweep_dependent_methods(klass_data); 701 return false; 702 } 703 704 assert(klass_data->_class_id < _class_count, "invalid class id"); 705 AOTClass* aot_class = &_classes[klass_data->_class_id]; 706 if (aot_class->_classloader != NULL && aot_class->_classloader != kh->class_loader_data()) { 707 log_trace(aot, class, load)("class %s in %s already loaded for classloader %p vs %p tid=" INTPTR_FORMAT, 708 kh->internal_name(), _lib->name(), aot_class->_classloader, kh->class_loader_data(), p2i(thread)); 709 NOT_PRODUCT( aot_klasses_cl_miss++; ) 710 return false; 711 } 712 713 if (_lib->config()->_omitAssertions && JavaAssertions::enabled(kh->name()->as_C_string(), kh->class_loader() == NULL)) { 714 log_trace(aot, class, load)("class %s in %s does not have java assertions in compiled code, but assertions are enabled for this execution.", kh->internal_name(), _lib->name()); 715 sweep_dependent_methods(klass_data); 716 return false; 717 } 718 719 NOT_PRODUCT( aot_klasses_found++; ) 720 721 log_trace(aot, class, load)("found %s in %s for classloader %p tid=" INTPTR_FORMAT, kh->internal_name(), _lib->name(), kh->class_loader_data(), p2i(thread)); 722 723 aot_class->_classloader = kh->class_loader_data(); 724 // Set klass's Resolve (second) got cell. 725 _metaspace_got[klass_data->_got_index] = kh(); 726 727 // Initialize global symbols of the DSO to the corresponding VM symbol values. 728 link_global_lib_symbols(); 729 730 int methods_offset = klass_data->_compiled_methods_offset; 731 if (methods_offset >= 0) { 732 address methods_cnt_adr = _methods_offsets + methods_offset; 733 int methods_cnt = *(int*)methods_cnt_adr; 734 // Collect data about compiled methods 735 AOTMethodData* methods_data = NEW_RESOURCE_ARRAY(AOTMethodData, methods_cnt); 736 AOTMethodOffsets* methods_offsets = (AOTMethodOffsets*)(methods_cnt_adr + 4); 737 for (int i = 0; i < methods_cnt; ++i) { 738 AOTMethodOffsets* method_offsets = &methods_offsets[i]; 739 int code_id = method_offsets->_code_id; 740 if (_code_to_aot[code_id]._state == invalid) { 741 continue; // skip AOT methods slots which have been invalidated 742 } 743 AOTMethodData* method_data = &methods_data[i]; 744 const char* aot_name = _metaspace_names + method_offsets->_name_offset; 745 method_data->_name = aot_name; 746 method_data->_code = _code_space + method_offsets->_code_offset; 747 method_data->_meta = (aot_metadata*)(_method_metadata + method_offsets->_meta_offset); 748 method_data->_metadata_table = (address)_metadata_got + method_offsets->_metadata_got_offset; 749 method_data->_metadata_size = method_offsets->_metadata_got_size; 750 // aot_name format: "<u2_size>Ljava/lang/ThreadGroup;<u2_size>addUnstarted<u2_size>()V" 751 int klass_len = build_u2_from((address)aot_name); 752 const char* method_name = aot_name + 2 + klass_len; 753 Method* m = AOTCodeHeap::find_method(kh, thread, method_name); 754 methodHandle mh(thread, m); 755 if (mh->code() != NULL) { // Does it have already compiled code? 756 continue; // Don't overwrite 757 } 758 publish_aot(mh, method_data, code_id); 759 } 760 } 761 return true; 762} 763 764AOTCompiledMethod* AOTCodeHeap::next_in_use_at(int start) const { 765 for (int index = start; index < _method_count; index++) { 766 if (_code_to_aot[index]._state != in_use) { 767 continue; // Skip uninitialized entries. 768 } 769 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 770 return aot; 771 } 772 return NULL; 773} 774 775void* AOTCodeHeap::first() const { 776 return next_in_use_at(0); 777} 778 779void* AOTCodeHeap::next(void* p) const { 780 AOTCompiledMethod *aot = (AOTCompiledMethod *)p; 781 int next_index = aot->method_index() + 1; 782 assert(next_index <= _method_count, ""); 783 if (next_index == _method_count) { 784 return NULL; 785 } 786 return next_in_use_at(next_index); 787} 788 789void* AOTCodeHeap::find_start(void* p) const { 790 if (!contains(p)) { 791 return NULL; 792 } 793 size_t offset = pointer_delta(p, low_boundary(), 1); 794 // Use segments table 795 size_t seg_idx = offset / _lib->config()->_codeSegmentSize; 796 if ((int)(_code_segments[seg_idx]) == 0xff) { 797 return NULL; 798 } 799 while (_code_segments[seg_idx] > 0) { 800 seg_idx -= (int)_code_segments[seg_idx]; 801 } 802 int code_offset = (int)seg_idx * _lib->config()->_codeSegmentSize; 803 int aot_index = *(int*)(_code_space + code_offset); 804 AOTCompiledMethod* aot = _code_to_aot[aot_index]._aot; 805 assert(aot != NULL, "should find registered aot method"); 806 return aot; 807} 808 809AOTCompiledMethod* AOTCodeHeap::find_aot(address p) const { 810 assert(contains(p), "should be here"); 811 return (AOTCompiledMethod *)find_start(p); 812} 813 814CodeBlob* AOTCodeHeap::find_blob_unsafe(void* start) const { 815 return (CodeBlob*)AOTCodeHeap::find_start(start); 816} 817 818void AOTCodeHeap::oops_do(OopClosure* f) { 819 for (int i = 0; i < _oop_got_size; i++) { 820 oop* p = &_oop_got[i]; 821 if (*p == NULL) continue; // skip non-oops 822 f->do_oop(p); 823 } 824 for (int index = 0; index < _method_count; index++) { 825 if (_code_to_aot[index]._state != in_use) { 826 continue; // Skip uninitialized entries. 827 } 828 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 829 aot->do_oops(f); 830 } 831} 832 833// Scan only metaspace_got cells which should have only Klass*, 834// metadata_got cells are scanned only for alive AOT methods 835// by AOTCompiledMethod::metadata_do(). 836void AOTCodeHeap::got_metadata_do(void f(Metadata*)) { 837 for (int i = 1; i < _metaspace_got_size; i++) { 838 Metadata** p = &_metaspace_got[i]; 839 Metadata* md = *p; 840 if (md == NULL) continue; // skip non-oops 841 if (Metaspace::contains(md)) { 842 f(md); 843 } else { 844 intptr_t meta = (intptr_t)md; 845 fatal("Invalid value in _metaspace_got[%d] = " INTPTR_FORMAT, i, meta); 846 } 847 } 848} 849 850void AOTCodeHeap::cleanup_inline_caches() { 851 for (int index = 0; index < _method_count; index++) { 852 if (_code_to_aot[index]._state != in_use) { 853 continue; // Skip uninitialized entries. 854 } 855 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 856 aot->cleanup_inline_caches(); 857 } 858} 859 860#ifdef ASSERT 861int AOTCodeHeap::verify_icholder_relocations() { 862 int count = 0; 863 for (int index = 0; index < _method_count; index++) { 864 if (_code_to_aot[index]._state != in_use) { 865 continue; // Skip uninitialized entries. 866 } 867 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 868 count += aot->verify_icholder_relocations(); 869 } 870 return count; 871} 872#endif 873 874void AOTCodeHeap::flush_evol_dependents_on(instanceKlassHandle dependee) { 875 for (int index = 0; index < _method_count; index++) { 876 if (_code_to_aot[index]._state != in_use) { 877 continue; // Skip uninitialized entries. 878 } 879 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 880 aot->flush_evol_dependents_on(dependee); 881 } 882} 883 884void AOTCodeHeap::metadata_do(void f(Metadata*)) { 885 for (int index = 0; index < _method_count; index++) { 886 if (_code_to_aot[index]._state != in_use) { 887 continue; // Skip uninitialized entries. 888 } 889 AOTCompiledMethod* aot = _code_to_aot[index]._aot; 890 if (aot->_is_alive()) { 891 aot->metadata_do(f); 892 } 893 } 894 // Scan metaspace_got cells. 895 got_metadata_do(f); 896} 897