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
39 bool AOTLib::_narrow_oop_shift_initialized = false;
40 int AOTLib::_narrow_oop_shift = 0;
41 int AOTLib::_narrow_klass_shift = 0;
42
43 address 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
52 Klass* 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
68 Klass* 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
97 void 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
110 void 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
116 void 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
122 void 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
189 AOTLib::~AOTLib() {
190 free((void*) _name);
191 }
192
193 AOTCodeHeap::~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
202 AOTLib::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
217 AOTCodeHeap::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.meta.names");
229 _method_metadata = (address) _lib->load_symbol("JVM.meth.metadata");
230 _methods_offsets = (address) _lib->load_symbol("JVM.methods.offsets");
231 _klasses_offsets = (address) _lib->load_symbol("JVM.kls.offsets");
232 _dependencies = (address) _lib->load_symbol("JVM.kls.dependencies");
233 _code_space = (address) _lib->load_symbol("JVM.text");
234
235 // First cell is number of elements.
236 _metaspace_got = (Metadata**) _lib->load_symbol("JVM.meta.got");
237 _metaspace_got_size = _lib->header()->_metaspace_got_size;
238
239 _metadata_got = (Metadata**) _lib->load_symbol("JVM.metadata.got");
240 _metadata_got_size = _lib->header()->_metadata_got_size;
241
242 _oop_got = (oop*) _lib->load_symbol("JVM.oop.got");
243 _oop_got_size = _lib->header()->_oop_got_size;
244
245 // Collect stubs info
246 _stubs_offsets = (int*) _lib->load_symbol("JVM.stubs.offsets");
247
248 // code segments table
249 _code_segments = (address) _lib->load_symbol("JVM.code.segments");
250
251 // method state
252 _method_state = (jlong*) _lib->load_symbol("JVM.meth.state");
253
254 // Create a table for mapping classes
255 _classes = NEW_C_HEAP_ARRAY(AOTClass, _class_count, mtCode);
256 memset(_classes, 0, _class_count * sizeof(AOTClass));
257
258 // Create table for searching AOTCompiledMethod based on pc.
259 _code_to_aot = NEW_C_HEAP_ARRAY(CodeToAMethod, _method_count, mtCode);
260 memset(_code_to_aot, 0, _method_count * sizeof(CodeToAMethod));
261
262 _low_boundary = _code_space;
263 _memory.set_low_boundary((char *)_code_space);
264 _memory.set_high_boundary((char *)_code_space);
265 _memory.set_low((char *)_code_space);
266 _memory.set_high((char *)_code_space);
267
268 _segmap.set_low_boundary((char *)_code_segments);
269 _segmap.set_low((char *)_code_segments);
270
271 _log2_segment_size = exact_log2(_lib->config()->_codeSegmentSize);
272
273 // Register aot stubs
274 register_stubs();
275
276 if (PrintAOT || (PrintCompilation && PrintAOT)) {
277 tty->print("%7d ", (int) tty->time_stamp().milliseconds());
278 tty->print_cr("%4d loaded %s aot library", _lib->id(), _lib->name());
279 }
280 }
281
282 void AOTCodeHeap::publish_aot(const methodHandle& mh, AOTMethodData* method_data, int code_id) {
283 // The method may be explicitly excluded by the user.
284 // Or Interpreter uses an intrinsic for this method.
285 if (CompilerOracle::should_exclude(mh) || !AbstractInterpreter::can_be_compiled(mh)) {
286 return;
287 }
288
289 address code = method_data->_code;
290 const char* name = method_data->_name;
291 aot_metadata* meta = method_data->_meta;
292
293 if (meta->scopes_pcs_begin() == meta->scopes_pcs_end()) {
294 // When the AOT compiler compiles something big we fail to generate metadata
295 // in CodeInstaller::gather_metadata. In that case the scopes_pcs_begin == scopes_pcs_end.
296 // In all successful cases we always have 2 entries of scope pcs.
297 log_info(aot, class, resolve)("Failed to load %s (no metadata available)", mh->name_and_sig_as_C_string());
298 _code_to_aot[code_id]._state = invalid;
299 return;
300 }
301
302 jlong* state_adr = &_method_state[code_id];
303 address metadata_table = method_data->_metadata_table;
304 int metadata_size = method_data->_metadata_size;
305 assert(code_id < _method_count, "sanity");
306 _aot_id++;
307
308 #ifdef ASSERT
309 if (_aot_id > CIStop || _aot_id < CIStart) {
310 // Skip compilation
311 return;
312 }
313 #endif
314 // Check one more time.
315 if (_code_to_aot[code_id]._state == invalid) {
316 return;
317 }
318 AOTCompiledMethod *aot = new AOTCompiledMethod(code, mh(), meta, metadata_table, metadata_size, state_adr, this, name, code_id, _aot_id);
319 assert(_code_to_aot[code_id]._aot == NULL, "should be not initialized");
320 _code_to_aot[code_id]._aot = aot; // Should set this first
321 if (Atomic::cmpxchg(in_use, (jint*)&_code_to_aot[code_id]._state, not_set) != not_set) {
322 _code_to_aot[code_id]._aot = NULL; // Clean
323 } else { // success
324 // Publish method
325 #ifdef TIERED
326 mh->set_aot_code(aot);
327 #endif
328 Method::set_code(mh, aot);
329 if (PrintAOT || (PrintCompilation && PrintAOT)) {
330 aot->print_on(tty, NULL);
331 }
332 // Publish oop only after we are visible to CompiledMethodIterator
333 aot->set_oop(mh()->method_holder()->klass_holder());
334 }
335 }
336
337 void AOTCodeHeap::link_primitive_array_klasses() {
338 ResourceMark rm;
339 for (int i = T_BOOLEAN; i <= T_CONFLICT; i++) {
340 BasicType t = (BasicType)i;
341 if (is_java_primitive(t)) {
342 const Klass* arr_klass = Universe::typeArrayKlassObj(t);
343 AOTKlassData* klass_data = (AOTKlassData*) os::dll_lookup(_lib->dl_handle(), arr_klass->signature_name());
344 if (klass_data != NULL) {
345 // Set both GOT cells, resolved and initialized klass pointers.
346 // _got_index points to second cell - resolved klass pointer.
347 _metaspace_got[klass_data->_got_index-1] = (Metadata*)arr_klass; // Initialized
348 _metaspace_got[klass_data->_got_index ] = (Metadata*)arr_klass; // Resolved
349 if (PrintAOT) {
350 tty->print_cr("[Found %s in %s]", arr_klass->internal_name(), _lib->name());
351 }
352 }
353 }
354 }
355 }
356
357 void AOTCodeHeap::register_stubs() {
358 int stubs_count = _stubs_offsets[0]; // contains number
359 _stubs_offsets++;
360 AOTMethodOffsets* stub_offsets = (AOTMethodOffsets*)_stubs_offsets;
361 for (int i = 0; i < stubs_count; ++i) {
362 const char* stub_name = _metaspace_names + stub_offsets[i]._name_offset;
363 address entry = _code_space + stub_offsets[i]._code_offset;
364 aot_metadata* meta = (aot_metadata *) (_method_metadata + stub_offsets[i]._meta_offset);
365 address metadata_table = (address)_metadata_got + stub_offsets[i]._metadata_got_offset;
366 int metadata_size = stub_offsets[i]._metadata_got_size;
367 int code_id = stub_offsets[i]._code_id;
368 assert(code_id < _method_count, "sanity");
369 jlong* state_adr = &_method_state[code_id];
370 int len = build_u2_from((address)stub_name);
371 stub_name += 2;
372 char* full_name = NEW_C_HEAP_ARRAY(char, len+5, mtCode);
373 if (full_name == NULL) { // No memory?
374 break;
375 }
376 memcpy(full_name, "AOT ", 4);
377 memcpy(full_name+4, stub_name, len);
378 full_name[len+4] = 0;
379 guarantee(_code_to_aot[code_id]._state != invalid, "stub %s can't be invalidated", full_name);
380 AOTCompiledMethod* aot = new AOTCompiledMethod(entry, NULL, meta, metadata_table, metadata_size, state_adr, this, full_name, code_id, i);
381 assert(_code_to_aot[code_id]._aot == NULL, "should be not initialized");
382 _code_to_aot[code_id]._aot = aot;
383 if (Atomic::cmpxchg(in_use, (jint*)&_code_to_aot[code_id]._state, not_set) != not_set) {
384 fatal("stab '%s' code state is %d", full_name, _code_to_aot[code_id]._state);
385 }
386 // Adjust code buffer boundaries only for stubs because they are last in the buffer.
387 adjust_boundaries(aot);
388 if (PrintAOT && Verbose) {
389 aot->print_on(tty, NULL);
390 }
391 }
392 }
393
394 #define SET_AOT_GLOBAL_SYMBOL_VALUE(AOTSYMNAME, AOTSYMTYPE, VMSYMVAL) \
395 { \
396 AOTSYMTYPE * adr = (AOTSYMTYPE *) os::dll_lookup(_lib->dl_handle(), AOTSYMNAME); \
397 /* Check for a lookup error */ \
398 guarantee(adr != NULL, "AOT Symbol not found %s", AOTSYMNAME); \
399 *adr = (AOTSYMTYPE) VMSYMVAL; \
400 }
401
402 void AOTCodeHeap::link_graal_runtime_symbols() {
403 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorenter", address, JVMCIRuntime::monitorenter);
404 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_monitorexit", address, JVMCIRuntime::monitorexit);
405 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_object", address, JVMCIRuntime::log_object);
406 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_printf", address, JVMCIRuntime::log_printf);
407 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_log_primitive", address, JVMCIRuntime::log_primitive);
408 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_instance", address, JVMCIRuntime::new_instance);
409 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_array", address, JVMCIRuntime::new_array);
410 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_new_multi_array", address, JVMCIRuntime::new_multi_array);
411 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_array", address, JVMCIRuntime::dynamic_new_array);
412 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_validate_object", address, JVMCIRuntime::validate_object);
413 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_pre", address, JVMCIRuntime::write_barrier_pre);
414 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_identity_hash_code", address, JVMCIRuntime::identity_hash_code);
415 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_write_barrier_post", address, JVMCIRuntime::write_barrier_post);
416 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_dynamic_new_instance", address, JVMCIRuntime::dynamic_new_instance);
417 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_thread_is_interrupted", address, JVMCIRuntime::thread_is_interrupted);
418 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_exception_handler_for_pc", address, JVMCIRuntime::exception_handler_for_pc);
419 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_test_deoptimize_call_int", address, JVMCIRuntime::test_deoptimize_call_int);
420 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_and_post_jvmti_exception", address, JVMCIRuntime::throw_and_post_jvmti_exception);
421 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_klass_external_name_exception", address, JVMCIRuntime::throw_klass_external_name_exception);
422 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_throw_class_cast_exception", address, JVMCIRuntime::throw_class_cast_exception);
423 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_message", address, JVMCIRuntime::vm_message);
424 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_jvmci_runtime_vm_error", address, JVMCIRuntime::vm_error);
425 }
426
427 void AOTCodeHeap::link_shared_runtime_symbols() {
428 SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_static_entry", address, SharedRuntime::get_resolve_static_call_stub());
429 SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_virtual_entry", address, SharedRuntime::get_resolve_virtual_call_stub());
430 SET_AOT_GLOBAL_SYMBOL_VALUE("_resolve_opt_virtual_entry", address, SharedRuntime::get_resolve_opt_virtual_call_stub());
431 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_unpack", address, SharedRuntime::deopt_blob()->unpack());
432 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_deopt_blob_uncommon_trap", address, SharedRuntime::deopt_blob()->uncommon_trap());
433 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_ic_miss_stub", address, SharedRuntime::get_ic_miss_stub());
434 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_handle_wrong_method_stub", address, SharedRuntime::get_handle_wrong_method_stub());
435 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_exception_handler_for_return_address", address, SharedRuntime::exception_handler_for_return_address);
436 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_register_finalizer", address, SharedRuntime::register_finalizer);
437 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_OSR_migration_end", address, SharedRuntime::OSR_migration_end);
438 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_string_by_symbol", address, CompilerRuntime::resolve_string_by_symbol);
439 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_klass_by_symbol", address, CompilerRuntime::resolve_klass_by_symbol);
440 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_method_by_symbol_and_load_counters", address, CompilerRuntime::resolve_method_by_symbol_and_load_counters);
441 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_initialize_klass_by_symbol", address, CompilerRuntime::initialize_klass_by_symbol);
442 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_invocation_event", address, CompilerRuntime::invocation_event);
443 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_backedge_event", address, CompilerRuntime::backedge_event);
444
445 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dpow", address, SharedRuntime::dpow);
446 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dexp", address, SharedRuntime::dexp);
447 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dcos", address, SharedRuntime::dcos);
448 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dsin", address, SharedRuntime::dsin);
449 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dtan", address, SharedRuntime::dtan);
450 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog", address, SharedRuntime::dlog);
451 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_shared_runtime_dlog10", address, SharedRuntime::dlog10);
452 }
453
454 void AOTCodeHeap::link_stub_routines_symbols() {
455 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_arraycopy", address, StubRoutines::_jbyte_arraycopy);
456 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_arraycopy", address, StubRoutines::_jshort_arraycopy);
457 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_arraycopy", address, StubRoutines::_jint_arraycopy);
458 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_arraycopy", address, StubRoutines::_jlong_arraycopy);
459 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy", address, StubRoutines::_oop_arraycopy);
460 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_arraycopy_uninit", address, StubRoutines::_oop_arraycopy_uninit);
461
462 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jbyte_disjoint_arraycopy", address, StubRoutines::_jbyte_disjoint_arraycopy);
463 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jshort_disjoint_arraycopy", address, StubRoutines::_jshort_disjoint_arraycopy);
464 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jint_disjoint_arraycopy", address, StubRoutines::_jint_disjoint_arraycopy);
465 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_jlong_disjoint_arraycopy", address, StubRoutines::_jlong_disjoint_arraycopy);
466 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy", address, StubRoutines::_oop_disjoint_arraycopy);
467 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_oop_disjoint_arraycopy_uninit", address, StubRoutines::_oop_disjoint_arraycopy_uninit);
468
469 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_arraycopy", address, StubRoutines::_arrayof_jbyte_arraycopy);
470 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_arraycopy", address, StubRoutines::_arrayof_jshort_arraycopy);
471 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_arraycopy", address, StubRoutines::_arrayof_jint_arraycopy);
472 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_arraycopy", address, StubRoutines::_arrayof_jlong_arraycopy);
473 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy", address, StubRoutines::_arrayof_oop_arraycopy);
474 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_arraycopy_uninit", address, StubRoutines::_arrayof_oop_arraycopy_uninit);
475
476 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jbyte_disjoint_arraycopy", address, StubRoutines::_arrayof_jbyte_disjoint_arraycopy);
477 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jshort_disjoint_arraycopy", address, StubRoutines::_arrayof_jshort_disjoint_arraycopy);
478 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jint_disjoint_arraycopy", address, StubRoutines::_arrayof_jint_disjoint_arraycopy);
479 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_jlong_disjoint_arraycopy", address, StubRoutines::_arrayof_jlong_disjoint_arraycopy);
480 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy", address, StubRoutines::_arrayof_oop_disjoint_arraycopy);
481 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_arrayof_oop_disjoint_arraycopy_uninit", address, StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit);
482
483 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_checkcast_arraycopy", address, StubRoutines::_checkcast_arraycopy);
484
485 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_encryptBlock", address, StubRoutines::_aescrypt_encryptBlock);
486 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_aescrypt_decryptBlock", address, StubRoutines::_aescrypt_decryptBlock);
487 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_encryptAESCrypt", address, StubRoutines::_cipherBlockChaining_encryptAESCrypt);
488 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_cipherBlockChaining_decryptAESCrypt", address, StubRoutines::_cipherBlockChaining_decryptAESCrypt);
489 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_update_bytes_crc32", address, StubRoutines::_updateBytesCRC32);
490 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc_table_adr", address, StubRoutines::_crc_table_adr);
491
492
493 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompress", address, StubRoutines::_sha1_implCompress);
494 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha1_implCompressMB", address, StubRoutines::_sha1_implCompressMB);
495 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompress", address, StubRoutines::_sha256_implCompress);
496 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha256_implCompressMB", address, StubRoutines::_sha256_implCompressMB);
497 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompress", address, StubRoutines::_sha512_implCompress);
498 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_sha512_implCompressMB", address, StubRoutines::_sha512_implCompressMB);
499 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_multiplyToLen", address, StubRoutines::_multiplyToLen);
500
501 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_counterMode_AESCrypt", address, StubRoutines::_counterMode_AESCrypt);
502 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_ghash_processBlocks", address, StubRoutines::_ghash_processBlocks);
503 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_crc32c_table_addr", address, StubRoutines::_crc32c_table_addr);
504 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesCRC32C", address, StubRoutines::_updateBytesCRC32C);
505 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_updateBytesAdler32", address, StubRoutines::_updateBytesAdler32);
506 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_squareToLen", address, StubRoutines::_squareToLen);
507 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_mulAdd", address, StubRoutines::_mulAdd);
508 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomeryMultiply", address, StubRoutines::_montgomeryMultiply);
509 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_montgomerySquare", address, StubRoutines::_montgomerySquare);
510 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_vectorizedMismatch", address, StubRoutines::_vectorizedMismatch);
511
512 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_stub_routines_throw_delayed_StackOverflowError_entry", address, StubRoutines::_throw_delayed_StackOverflowError_entry);
513
514 }
515
516 void AOTCodeHeap::link_os_symbols() {
517 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeMillis", address, os::javaTimeMillis);
518 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_os_javaTimeNanos", address, os::javaTimeNanos);
519 }
520
521 /*
522 * Link any global symbols in precompiled DSO with dlopen() _dl_handle
523 * dso_handle.
524 */
525
526 void AOTCodeHeap::link_global_lib_symbols() {
527 if (!_lib_symbols_initialized) {
528 _lib_symbols_initialized = true;
529
530 CollectedHeap* heap = GC::gc()->heap();
531 CardTableModRefBS* ct = (CardTableModRefBS*)(heap->barrier_set());
532 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_card_table_address", address, ct->byte_map_base);
533 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_top_address", address, (heap->supports_inline_contig_alloc() ? heap->top_addr() : NULL));
534 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_heap_end_address", address, (heap->supports_inline_contig_alloc() ? heap->end_addr() : NULL));
535 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_polling_page", address, os::get_polling_page());
536 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_narrow_klass_base_address", address, Universe::narrow_klass_base());
537 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_narrow_oop_base_address", address, Universe::narrow_oop_base());
538 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_log_of_heap_region_grain_bytes", int, HeapRegion::LogOfHRGrainBytes);
539 SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_inline_contiguous_allocation_supported", bool, heap->supports_inline_contig_alloc());
540 link_shared_runtime_symbols();
541 link_stub_routines_symbols();
542 link_os_symbols();
543 link_graal_runtime_symbols();
544
545 // Link primitive array klasses.
546 link_primitive_array_klasses();
547 }
548 }
549
550 #ifndef PRODUCT
551 int AOTCodeHeap::klasses_seen = 0;
552 int AOTCodeHeap::aot_klasses_found = 0;
553 int AOTCodeHeap::aot_klasses_fp_miss = 0;
554 int AOTCodeHeap::aot_klasses_cl_miss = 0;
555 int AOTCodeHeap::aot_methods_found = 0;
556
557 void AOTCodeHeap::print_statistics() {
558 tty->print_cr("Classes seen: %d AOT classes found: %d AOT methods found: %d", klasses_seen, aot_klasses_found, aot_methods_found);
559 tty->print_cr("AOT fingerprint mismatches: %d AOT class loader mismatches: %d", aot_klasses_fp_miss, aot_klasses_cl_miss);
560 }
561 #endif
562
563 Method* AOTCodeHeap::find_method(Klass* klass, Thread* thread, const char* method_name) {
564 int method_name_len = build_u2_from((address)method_name);
565 method_name += 2;
566 const char* signature_name = method_name + method_name_len;
567 int signature_name_len = build_u2_from((address)signature_name);
568 signature_name += 2;
569 // The class should have been loaded so the method and signature should already be
570 // in the symbol table. If they're not there, the method doesn't exist.
571 TempNewSymbol name = SymbolTable::probe(method_name, method_name_len);
572 TempNewSymbol signature = SymbolTable::probe(signature_name, signature_name_len);
573
574 Method* m;
575 if (name == NULL || signature == NULL) {
576 m = NULL;
577 } else if (name == vmSymbols::object_initializer_name() ||
578 name == vmSymbols::class_initializer_name()) {
579 // Never search superclasses for constructors
580 if (klass->is_instance_klass()) {
581 m = InstanceKlass::cast(klass)->find_method(name, signature);
582 } else {
583 m = NULL;
584 }
585 } else {
586 m = klass->lookup_method(name, signature);
587 if (m == NULL && klass->is_instance_klass()) {
588 m = InstanceKlass::cast(klass)->lookup_method_in_ordered_interfaces(name, signature);
589 }
590 }
591 if (m == NULL) {
592 // Fatal error because we assume classes and methods should not be changed since aot compilation.
593 const char* klass_name = klass->external_name();
594 int klass_len = (int)strlen(klass_name);
595 char* meta_name = NEW_RESOURCE_ARRAY(char, klass_len + 1 + method_name_len + signature_name_len + 1);
596 memcpy(meta_name, klass_name, klass_len);
597 meta_name[klass_len] = '.';
598 memcpy(&meta_name[klass_len + 1], method_name, method_name_len);
599 memcpy(&meta_name[klass_len + 1 + method_name_len], signature_name, signature_name_len);
600 meta_name[klass_len + 1 + method_name_len + signature_name_len] = '\0';
601 Handle exception = Exceptions::new_exception(thread, vmSymbols::java_lang_NoSuchMethodError(), meta_name);
602 java_lang_Throwable::print(exception(), tty);
603 tty->cr();
604 java_lang_Throwable::print_stack_trace(exception, tty);
605 tty->cr();
606 fatal("Failed to find method '%s'", meta_name);
607 }
608 NOT_PRODUCT( aot_methods_found++; )
609 return m;
610 }
611
612 AOTKlassData* AOTCodeHeap::find_klass(InstanceKlass* ik) {
613 ResourceMark rm;
614 AOTKlassData* klass_data = (AOTKlassData*) os::dll_lookup(_lib->dl_handle(), ik->signature_name());
615 return klass_data;
616 }
617
618 bool AOTCodeHeap::is_dependent_method(Klass* dependee, AOTCompiledMethod* aot) {
619 InstanceKlass *dependee_ik = InstanceKlass::cast(dependee);
620 AOTKlassData* klass_data = find_klass(dependee_ik);
621 if (klass_data == NULL) {
622 return false; // no AOT records for this class - no dependencies
623 }
624 if (!dependee_ik->has_passed_fingerprint_check()) {
625 return false; // different class
626 }
627
628 int methods_offset = klass_data->_dependent_methods_offset;
629 if (methods_offset >= 0) {
630 address methods_cnt_adr = _dependencies + methods_offset;
631 int methods_cnt = *(int*)methods_cnt_adr;
632 int* indexes = (int*)(methods_cnt_adr + 4);
633 for (int i = 0; i < methods_cnt; ++i) {
634 int code_id = indexes[i];
635 if (_code_to_aot[code_id]._aot == aot) {
636 return true; // found dependent method
637 }
638 }
639 }
640 return false;
641 }
642
643 void AOTCodeHeap::sweep_dependent_methods(AOTKlassData* klass_data) {
644 // Make dependent methods non_entrant forever.
645 int methods_offset = klass_data->_dependent_methods_offset;
646 if (methods_offset >= 0) {
647 int marked = 0;
648 address methods_cnt_adr = _dependencies + methods_offset;
649 int methods_cnt = *(int*)methods_cnt_adr;
650 int* indexes = (int*)(methods_cnt_adr + 4);
651 for (int i = 0; i < methods_cnt; ++i) {
652 int code_id = indexes[i];
653 // Invalidate aot code.
654 if (Atomic::cmpxchg(invalid, (jint*)&_code_to_aot[code_id]._state, not_set) != not_set) {
655 if (_code_to_aot[code_id]._state == in_use) {
656 AOTCompiledMethod* aot = _code_to_aot[code_id]._aot;
657 assert(aot != NULL, "aot should be set");
658 if (!aot->is_runtime_stub()) { // Something is wrong - should not invalidate stubs.
659 aot->mark_for_deoptimization(false);
660 marked++;
661 }
662 }
663 }
664 }
665 if (marked > 0) {
666 VM_Deoptimize op;
667 VMThread::execute(&op);
668 }
669 }
670 }
671
672 bool AOTCodeHeap::load_klass_data(InstanceKlass* ik, Thread* thread) {
673 ResourceMark rm;
674
675 NOT_PRODUCT( klasses_seen++; )
676
677 AOTKlassData* klass_data = find_klass(ik);
678 if (klass_data == NULL) {
679 return false;
680 }
681
682 if (!ik->has_passed_fingerprint_check()) {
683 NOT_PRODUCT( aot_klasses_fp_miss++; )
684 log_trace(aot, class, fingerprint)("class %s%s has bad fingerprint in %s tid=" INTPTR_FORMAT,
685 ik->internal_name(), ik->is_shared() ? " (shared)" : "",
686 _lib->name(), p2i(thread));
687 sweep_dependent_methods(klass_data);
688 return false;
689 }
690
691 if (ik->has_been_redefined()) {
692 log_trace(aot, class, load)("class %s%s in %s has been redefined tid=" INTPTR_FORMAT,
693 ik->internal_name(), ik->is_shared() ? " (shared)" : "",
694 _lib->name(), p2i(thread));
695 sweep_dependent_methods(klass_data);
696 return false;
697 }
698
699 assert(klass_data->_class_id < _class_count, "invalid class id");
700 AOTClass* aot_class = &_classes[klass_data->_class_id];
701 if (aot_class->_classloader != NULL && aot_class->_classloader != ik->class_loader_data()) {
702 log_trace(aot, class, load)("class %s in %s already loaded for classloader %p vs %p tid=" INTPTR_FORMAT,
703 ik->internal_name(), _lib->name(), aot_class->_classloader, ik->class_loader_data(), p2i(thread));
704 NOT_PRODUCT( aot_klasses_cl_miss++; )
705 return false;
706 }
707
708 if (_lib->config()->_omitAssertions && JavaAssertions::enabled(ik->name()->as_C_string(), ik->class_loader() == NULL)) {
709 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());
710 sweep_dependent_methods(klass_data);
711 return false;
712 }
713
714 NOT_PRODUCT( aot_klasses_found++; )
715
716 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));
717
718 aot_class->_classloader = ik->class_loader_data();
719 // Set klass's Resolve (second) got cell.
720 _metaspace_got[klass_data->_got_index] = ik;
721
722 // Initialize global symbols of the DSO to the corresponding VM symbol values.
723 link_global_lib_symbols();
724
725 int methods_offset = klass_data->_compiled_methods_offset;
726 if (methods_offset >= 0) {
727 address methods_cnt_adr = _methods_offsets + methods_offset;
728 int methods_cnt = *(int*)methods_cnt_adr;
729 // Collect data about compiled methods
730 AOTMethodData* methods_data = NEW_RESOURCE_ARRAY(AOTMethodData, methods_cnt);
731 AOTMethodOffsets* methods_offsets = (AOTMethodOffsets*)(methods_cnt_adr + 4);
732 for (int i = 0; i < methods_cnt; ++i) {
733 AOTMethodOffsets* method_offsets = &methods_offsets[i];
734 int code_id = method_offsets->_code_id;
735 if (_code_to_aot[code_id]._state == invalid) {
736 continue; // skip AOT methods slots which have been invalidated
737 }
738 AOTMethodData* method_data = &methods_data[i];
739 const char* aot_name = _metaspace_names + method_offsets->_name_offset;
740 method_data->_name = aot_name;
741 method_data->_code = _code_space + method_offsets->_code_offset;
742 method_data->_meta = (aot_metadata*)(_method_metadata + method_offsets->_meta_offset);
743 method_data->_metadata_table = (address)_metadata_got + method_offsets->_metadata_got_offset;
744 method_data->_metadata_size = method_offsets->_metadata_got_size;
745 // aot_name format: "<u2_size>Ljava/lang/ThreadGroup;<u2_size>addUnstarted<u2_size>()V"
746 int klass_len = build_u2_from((address)aot_name);
747 const char* method_name = aot_name + 2 + klass_len;
748 Method* m = AOTCodeHeap::find_method(ik, thread, method_name);
749 methodHandle mh(thread, m);
750 if (mh->code() != NULL) { // Does it have already compiled code?
751 continue; // Don't overwrite
752 }
753 publish_aot(mh, method_data, code_id);
754 }
755 }
756 return true;
757 }
758
759 AOTCompiledMethod* AOTCodeHeap::next_in_use_at(int start) const {
760 for (int index = start; index < _method_count; index++) {
761 if (_code_to_aot[index]._state != in_use) {
762 continue; // Skip uninitialized entries.
763 }
764 AOTCompiledMethod* aot = _code_to_aot[index]._aot;
765 return aot;
766 }
767 return NULL;
768 }
769
770 void* AOTCodeHeap::first() const {
771 return next_in_use_at(0);
772 }
773
774 void* AOTCodeHeap::next(void* p) const {
775 AOTCompiledMethod *aot = (AOTCompiledMethod *)p;
776 int next_index = aot->method_index() + 1;
777 assert(next_index <= _method_count, "");
778 if (next_index == _method_count) {
779 return NULL;
780 }
781 return next_in_use_at(next_index);
782 }
783
784 void* AOTCodeHeap::find_start(void* p) const {
785 if (!contains(p)) {
786 return NULL;
787 }
788 size_t offset = pointer_delta(p, low_boundary(), 1);
789 // Use segments table
790 size_t seg_idx = offset / _lib->config()->_codeSegmentSize;
791 if ((int)(_code_segments[seg_idx]) == 0xff) {
792 return NULL;
793 }
794 while (_code_segments[seg_idx] > 0) {
795 seg_idx -= (int)_code_segments[seg_idx];
796 }
797 int code_offset = (int)seg_idx * _lib->config()->_codeSegmentSize;
798 int aot_index = *(int*)(_code_space + code_offset);
799 AOTCompiledMethod* aot = _code_to_aot[aot_index]._aot;
800 assert(aot != NULL, "should find registered aot method");
801 return aot;
802 }
803
804 AOTCompiledMethod* AOTCodeHeap::find_aot(address p) const {
805 assert(contains(p), "should be here");
806 return (AOTCompiledMethod *)find_start(p);
807 }
808
809 CodeBlob* AOTCodeHeap::find_blob_unsafe(void* start) const {
810 return (CodeBlob*)AOTCodeHeap::find_start(start);
811 }
812
813 void AOTCodeHeap::oops_do(OopClosure* f) {
814 for (int i = 0; i < _oop_got_size; i++) {
815 oop* p = &_oop_got[i];
816 if (*p == NULL) continue; // skip non-oops
817 f->do_oop(p);
818 }
819 for (int index = 0; index < _method_count; index++) {
820 if (_code_to_aot[index]._state != in_use) {
821 continue; // Skip uninitialized entries.
822 }
823 AOTCompiledMethod* aot = _code_to_aot[index]._aot;
824 aot->do_oops(f);
825 }
826 }
827
828 // Scan only metaspace_got cells which should have only Klass*,
829 // metadata_got cells are scanned only for alive AOT methods
830 // by AOTCompiledMethod::metadata_do().
831 void AOTCodeHeap::got_metadata_do(void f(Metadata*)) {
832 for (int i = 1; i < _metaspace_got_size; i++) {
833 Metadata** p = &_metaspace_got[i];
834 Metadata* md = *p;
835 if (md == NULL) continue; // skip non-oops
836 if (Metaspace::contains(md)) {
837 f(md);
838 } else {
839 intptr_t meta = (intptr_t)md;
840 fatal("Invalid value in _metaspace_got[%d] = " INTPTR_FORMAT, i, meta);
841 }
842 }
843 }
844
845 void AOTCodeHeap::cleanup_inline_caches() {
846 for (int index = 0; index < _method_count; index++) {
847 if (_code_to_aot[index]._state != in_use) {
848 continue; // Skip uninitialized entries.
849 }
850 AOTCompiledMethod* aot = _code_to_aot[index]._aot;
851 aot->cleanup_inline_caches();
852 }
853 }
854
855 #ifdef ASSERT
856 int AOTCodeHeap::verify_icholder_relocations() {
857 int count = 0;
858 for (int index = 0; index < _method_count; index++) {
859 if (_code_to_aot[index]._state != in_use) {
860 continue; // Skip uninitialized entries.
861 }
862 AOTCompiledMethod* aot = _code_to_aot[index]._aot;
863 count += aot->verify_icholder_relocations();
864 }
865 return count;
866 }
867 #endif
868
869 void AOTCodeHeap::flush_evol_dependents_on(InstanceKlass* dependee) {
870 for (int index = 0; index < _method_count; index++) {
871 if (_code_to_aot[index]._state != in_use) {
872 continue; // Skip uninitialized entries.
873 }
874 AOTCompiledMethod* aot = _code_to_aot[index]._aot;
875 aot->flush_evol_dependents_on(dependee);
876 }
877 }
878
879 void AOTCodeHeap::metadata_do(void f(Metadata*)) {
880 for (int index = 0; index < _method_count; index++) {
881 if (_code_to_aot[index]._state != in_use) {
882 continue; // Skip uninitialized entries.
883 }
884 AOTCompiledMethod* aot = _code_to_aot[index]._aot;
885 if (aot->_is_alive()) {
886 aot->metadata_do(f);
887 }
888 }
889 // Scan metaspace_got cells.
890 got_metadata_do(f);
891 }