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
25 #ifndef SHARE_CI_CIENV_HPP
26 #define SHARE_CI_CIENV_HPP
27
28 #include "ci/ciClassList.hpp"
29 #include "ci/ciObjectFactory.hpp"
30 #include "classfile/vmClassMacros.hpp"
31 #include "code/debugInfoRec.hpp"
32 #include "code/dependencies.hpp"
33 #include "code/exceptionHandlerTable.hpp"
34 #include "compiler/cHeapStringHolder.hpp"
35 #include "compiler/compiler_globals.hpp"
36 #include "compiler/compilerThread.hpp"
37 #include "oops/methodData.hpp"
38 #include "runtime/javaThread.hpp"
39
40 class CompileTask;
41 class OopMapSet;
42
43 // ciEnv
44 //
45 // This class is the top level broker for requests from the compiler
46 // to the VM.
47 class ciEnv : StackObj {
48 CI_PACKAGE_ACCESS_TO
49 friend class CompileBroker;
50 friend class Dependencies; // for get_object, during logging
51 friend class RecordLocation;
52 friend class PrepareExtraDataClosure;
53
54 private:
55 Arena* _arena; // Alias for _ciEnv_arena except in init_shared_objects()
56 Arena _ciEnv_arena;
57 ciObjectFactory* _factory;
58 OopRecorder* _oop_recorder;
59 DebugInformationRecorder* _debug_info;
60 Dependencies* _dependencies;
61 CHeapStringHolder _failure_reason;
206 ciTypeArrayKlass* get_type_array_klass(Klass* o) {
207 if (o == nullptr) return nullptr;
208 return get_metadata(o)->as_type_array_klass();
209 }
210 ciKlass* get_klass(Klass* o) {
211 if (o == nullptr) return nullptr;
212 return get_metadata(o)->as_klass();
213 }
214 ciInstanceKlass* get_instance_klass(Klass* o) {
215 if (o == nullptr) return nullptr;
216 return get_metadata(o)->as_instance_klass();
217 }
218 ciMethod* get_method(Method* o) {
219 if (o == nullptr) return nullptr;
220 return get_metadata(o)->as_method();
221 }
222 ciMethodData* get_method_data(MethodData* o) {
223 if (o == nullptr) return nullptr;
224 return get_metadata(o)->as_method_data();
225 }
226
227 ciMethod* get_method_from_handle(Method* method);
228
229 // Get a ciMethod representing either an unfound method or
230 // a method with an unloaded holder. Ensures uniqueness of
231 // the result.
232 ciMethod* get_unloaded_method(ciKlass* holder,
233 ciSymbol* name,
234 ciSymbol* signature,
235 ciInstanceKlass* accessor) {
236 ciInstanceKlass* declared_holder = get_instance_klass_for_declared_method_holder(holder);
237 return _factory->get_unloaded_method(declared_holder, name, signature, accessor);
238 }
239
240 // Get a ciKlass representing an unloaded klass.
241 // Ensures uniqueness of the result.
242 ciKlass* get_unloaded_klass(ciKlass* accessing_klass,
243 ciSymbol* name) {
244 return _factory->get_unloaded_klass(accessing_klass, name, true);
245 }
274 ciReturnAddress* get_return_address(int bci) {
275 return _factory->get_return_address(bci);
276 }
277
278 // Get a ciMethodData representing the methodData for a method
279 // with none.
280 ciMethodData* get_empty_methodData() {
281 return _factory->get_empty_methodData();
282 }
283
284 // General utility : get a buffer of some required length.
285 // Used in symbol creation.
286 char* name_buffer(int req_len);
287
288 // Is this thread currently in the VM state?
289 static bool is_in_vm();
290
291 // Helper routine for determining the validity of a compilation with
292 // respect to method dependencies (e.g. concurrent class loading).
293 void validate_compile_task_dependencies(ciMethod* target);
294 public:
295 enum {
296 MethodCompilable,
297 MethodCompilable_not_at_tier,
298 MethodCompilable_never
299 };
300
301 ciEnv(CompileTask* task);
302 // Used only during initialization of the ci
303 ciEnv(Arena* arena);
304 ~ciEnv();
305
306 OopRecorder* oop_recorder() { return _oop_recorder; }
307 void set_oop_recorder(OopRecorder* r) { _oop_recorder = r; }
308
309 DebugInformationRecorder* debug_info() { return _debug_info; }
310 void set_debug_info(DebugInformationRecorder* i) { _debug_info = i; }
311
312 Dependencies* dependencies() { return _dependencies; }
313 void set_dependencies(Dependencies* d) { _dependencies = d; }
346 return _jvmti_can_access_local_variables || _jvmti_can_pop_frame;
347 }
348 bool jvmti_can_hotswap_or_post_breakpoint() const { return _jvmti_can_hotswap_or_post_breakpoint; }
349 bool jvmti_can_post_on_exceptions() const { return _jvmti_can_post_on_exceptions; }
350 bool jvmti_can_get_owned_monitor_info() const { return _jvmti_can_get_owned_monitor_info; }
351 bool jvmti_can_walk_any_space() const { return _jvmti_can_walk_any_space; }
352
353 // Cache DTrace flags
354 void cache_dtrace_flags();
355 bool dtrace_method_probes() const { return _dtrace_method_probes; }
356 bool dtrace_alloc_probes() const { return _dtrace_alloc_probes; }
357
358 // The compiler task which has created this env.
359 // May be useful to find out compile_id, comp_level, etc.
360 CompileTask* task() const { return _task; }
361
362 // Handy forwards to the task:
363 int comp_level(); // task()->comp_level()
364 int compile_id(); // task()->compile_id()
365
366 // Register the result of a compilation.
367 void register_method(ciMethod* target,
368 int entry_bci,
369 CodeOffsets* offsets,
370 int orig_pc_offset,
371 CodeBuffer* code_buffer,
372 int frame_words,
373 OopMapSet* oop_map_set,
374 ExceptionHandlerTable* handler_table,
375 ImplicitExceptionTable* inc_table,
376 AbstractCompiler* compiler,
377 bool has_unsafe_access,
378 bool has_wide_vectors,
379 bool has_monitors,
380 bool has_scoped_access,
381 int immediate_oops_patched);
382
383 // Access to certain well known ciObjects.
384 #define VM_CLASS_FUNC(name, ignore_s) \
385 ciInstanceKlass* name() { \
386 return _##name;\
387 }
388 VM_CLASSES_DO(VM_CLASS_FUNC)
389 #undef VM_CLASS_FUNC
390
391 ciInstance* NullPointerException_instance() {
392 assert(_NullPointerException_instance != nullptr, "initialization problem");
393 return _NullPointerException_instance;
394 }
395 ciInstance* ArithmeticException_instance() {
396 assert(_ArithmeticException_instance != nullptr, "initialization problem");
397 return _ArithmeticException_instance;
398 }
399 ciInstance* ArrayIndexOutOfBoundsException_instance() {
400 assert(_ArrayIndexOutOfBoundsException_instance != nullptr, "initialization problem");
401 return _ArrayIndexOutOfBoundsException_instance;
495 void dump_replay_data(int compile_id);
496 void dump_inline_data(int compile_id);
497 void dump_replay_data(outputStream* out);
498 void dump_replay_data_unsafe(outputStream* out);
499 void dump_replay_data_helper(outputStream* out);
500 void dump_compile_data(outputStream* out);
501 void dump_replay_data_version(outputStream* out);
502
503 const char *dyno_name(const InstanceKlass* ik) const;
504 const char *replay_name(const InstanceKlass* ik) const;
505 const char *replay_name(ciKlass* i) const;
506
507 void record_lambdaform(Thread* thread, oop obj);
508 void record_member(Thread* thread, oop obj);
509 void record_mh(Thread* thread, oop obj);
510 void record_call_site_obj(Thread* thread, oop obj);
511 void record_call_site_method(Thread* thread, Method* adapter);
512 void process_invokedynamic(const constantPoolHandle &cp, int index, JavaThread* thread);
513 void process_invokehandle(const constantPoolHandle &cp, int index, JavaThread* thread);
514 void find_dynamic_call_sites();
515 };
516
517 #endif // SHARE_CI_CIENV_HPP
|
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
25 #ifndef SHARE_CI_CIENV_HPP
26 #define SHARE_CI_CIENV_HPP
27
28 #include "ci/ciClassList.hpp"
29 #include "ci/ciObjectFactory.hpp"
30 #include "classfile/vmClassMacros.hpp"
31 #include "code/debugInfoRec.hpp"
32 #include "code/dependencies.hpp"
33 #include "code/exceptionHandlerTable.hpp"
34 #include "compiler/cHeapStringHolder.hpp"
35 #include "compiler/compiler_globals.hpp"
36 #include "compiler/compilerThread.hpp"
37 #include "oops/methodCounters.hpp"
38 #include "oops/methodData.hpp"
39 #include "runtime/javaThread.hpp"
40
41 class CompileTask;
42 class OopMapSet;
43 class AOTCodeEntry;
44 class AOTCodeReader;
45
46 // ciEnv
47 //
48 // This class is the top level broker for requests from the compiler
49 // to the VM.
50 class ciEnv : StackObj {
51 CI_PACKAGE_ACCESS_TO
52 friend class CompileBroker;
53 friend class Dependencies; // for get_object, during logging
54 friend class RecordLocation;
55 friend class PrepareExtraDataClosure;
56
57 private:
58 Arena* _arena; // Alias for _ciEnv_arena except in init_shared_objects()
59 Arena _ciEnv_arena;
60 ciObjectFactory* _factory;
61 OopRecorder* _oop_recorder;
62 DebugInformationRecorder* _debug_info;
63 Dependencies* _dependencies;
64 CHeapStringHolder _failure_reason;
209 ciTypeArrayKlass* get_type_array_klass(Klass* o) {
210 if (o == nullptr) return nullptr;
211 return get_metadata(o)->as_type_array_klass();
212 }
213 ciKlass* get_klass(Klass* o) {
214 if (o == nullptr) return nullptr;
215 return get_metadata(o)->as_klass();
216 }
217 ciInstanceKlass* get_instance_klass(Klass* o) {
218 if (o == nullptr) return nullptr;
219 return get_metadata(o)->as_instance_klass();
220 }
221 ciMethod* get_method(Method* o) {
222 if (o == nullptr) return nullptr;
223 return get_metadata(o)->as_method();
224 }
225 ciMethodData* get_method_data(MethodData* o) {
226 if (o == nullptr) return nullptr;
227 return get_metadata(o)->as_method_data();
228 }
229 ciMetadata* get_method_counters(MethodCounters* o) {
230 if (o == nullptr) return nullptr;
231 return get_metadata((Metadata*)o);
232 }
233
234 ciMethod* get_method_from_handle(Method* method);
235
236 // Get a ciMethod representing either an unfound method or
237 // a method with an unloaded holder. Ensures uniqueness of
238 // the result.
239 ciMethod* get_unloaded_method(ciKlass* holder,
240 ciSymbol* name,
241 ciSymbol* signature,
242 ciInstanceKlass* accessor) {
243 ciInstanceKlass* declared_holder = get_instance_klass_for_declared_method_holder(holder);
244 return _factory->get_unloaded_method(declared_holder, name, signature, accessor);
245 }
246
247 // Get a ciKlass representing an unloaded klass.
248 // Ensures uniqueness of the result.
249 ciKlass* get_unloaded_klass(ciKlass* accessing_klass,
250 ciSymbol* name) {
251 return _factory->get_unloaded_klass(accessing_klass, name, true);
252 }
281 ciReturnAddress* get_return_address(int bci) {
282 return _factory->get_return_address(bci);
283 }
284
285 // Get a ciMethodData representing the methodData for a method
286 // with none.
287 ciMethodData* get_empty_methodData() {
288 return _factory->get_empty_methodData();
289 }
290
291 // General utility : get a buffer of some required length.
292 // Used in symbol creation.
293 char* name_buffer(int req_len);
294
295 // Is this thread currently in the VM state?
296 static bool is_in_vm();
297
298 // Helper routine for determining the validity of a compilation with
299 // respect to method dependencies (e.g. concurrent class loading).
300 void validate_compile_task_dependencies(ciMethod* target);
301
302 // Helper rountimes to factor out common code used by routines that register a method
303 // i.e. register_aot_method() and register_method()
304 bool is_compilation_valid(JavaThread* thread, ciMethod* target, bool install_code, bool is_loading_aot_code, bool preload);
305 void make_code_usable(JavaThread* thread, ciMethod* target, bool preload, int entry_bci, AOTCodeEntry* aot_code_entry, nmethod* nm);
306
307 public:
308 enum {
309 MethodCompilable,
310 MethodCompilable_not_at_tier,
311 MethodCompilable_never
312 };
313
314 ciEnv(CompileTask* task);
315 // Used only during initialization of the ci
316 ciEnv(Arena* arena);
317 ~ciEnv();
318
319 OopRecorder* oop_recorder() { return _oop_recorder; }
320 void set_oop_recorder(OopRecorder* r) { _oop_recorder = r; }
321
322 DebugInformationRecorder* debug_info() { return _debug_info; }
323 void set_debug_info(DebugInformationRecorder* i) { _debug_info = i; }
324
325 Dependencies* dependencies() { return _dependencies; }
326 void set_dependencies(Dependencies* d) { _dependencies = d; }
359 return _jvmti_can_access_local_variables || _jvmti_can_pop_frame;
360 }
361 bool jvmti_can_hotswap_or_post_breakpoint() const { return _jvmti_can_hotswap_or_post_breakpoint; }
362 bool jvmti_can_post_on_exceptions() const { return _jvmti_can_post_on_exceptions; }
363 bool jvmti_can_get_owned_monitor_info() const { return _jvmti_can_get_owned_monitor_info; }
364 bool jvmti_can_walk_any_space() const { return _jvmti_can_walk_any_space; }
365
366 // Cache DTrace flags
367 void cache_dtrace_flags();
368 bool dtrace_method_probes() const { return _dtrace_method_probes; }
369 bool dtrace_alloc_probes() const { return _dtrace_alloc_probes; }
370
371 // The compiler task which has created this env.
372 // May be useful to find out compile_id, comp_level, etc.
373 CompileTask* task() const { return _task; }
374
375 // Handy forwards to the task:
376 int comp_level(); // task()->comp_level()
377 int compile_id(); // task()->compile_id()
378
379 // Register method loaded from AOT code cache
380 nmethod* register_aot_method(JavaThread* thread,
381 ciMethod* target,
382 AbstractCompiler* compiler,
383 nmethod* archived_nm,
384 address reloc_data,
385 GrowableArray<Handle>& oop_list,
386 GrowableArray<Metadata*>& metadata_list,
387 ImmutableOopMapSet* oopmaps,
388 address immutable_data,
389 GrowableArray<Handle>& reloc_imm_oop_list,
390 GrowableArray<Metadata*>& reloc_imm_metadata_list,
391 AOTCodeReader* aot_code_reader);
392
393 // Register the result of a compilation.
394 void register_method(ciMethod* target,
395 int entry_bci,
396 CodeOffsets* offsets,
397 int orig_pc_offset,
398 CodeBuffer* code_buffer,
399 int frame_words,
400 OopMapSet* oop_map_set,
401 ExceptionHandlerTable* handler_table,
402 ImplicitExceptionTable* inc_table,
403 AbstractCompiler* compiler,
404 bool has_clinit_barriers,
405 bool for_preload,
406 bool has_unsafe_access,
407 bool has_wide_vectors,
408 bool has_monitors,
409 bool has_scoped_access,
410 int immediate_oops_patched,
411 bool install_code);
412
413 // Access to certain well known ciObjects.
414 #define VM_CLASS_FUNC(name, ignore_s) \
415 ciInstanceKlass* name() { \
416 return _##name;\
417 }
418 VM_CLASSES_DO(VM_CLASS_FUNC)
419 #undef VM_CLASS_FUNC
420
421 ciInstance* NullPointerException_instance() {
422 assert(_NullPointerException_instance != nullptr, "initialization problem");
423 return _NullPointerException_instance;
424 }
425 ciInstance* ArithmeticException_instance() {
426 assert(_ArithmeticException_instance != nullptr, "initialization problem");
427 return _ArithmeticException_instance;
428 }
429 ciInstance* ArrayIndexOutOfBoundsException_instance() {
430 assert(_ArrayIndexOutOfBoundsException_instance != nullptr, "initialization problem");
431 return _ArrayIndexOutOfBoundsException_instance;
525 void dump_replay_data(int compile_id);
526 void dump_inline_data(int compile_id);
527 void dump_replay_data(outputStream* out);
528 void dump_replay_data_unsafe(outputStream* out);
529 void dump_replay_data_helper(outputStream* out);
530 void dump_compile_data(outputStream* out);
531 void dump_replay_data_version(outputStream* out);
532
533 const char *dyno_name(const InstanceKlass* ik) const;
534 const char *replay_name(const InstanceKlass* ik) const;
535 const char *replay_name(ciKlass* i) const;
536
537 void record_lambdaform(Thread* thread, oop obj);
538 void record_member(Thread* thread, oop obj);
539 void record_mh(Thread* thread, oop obj);
540 void record_call_site_obj(Thread* thread, oop obj);
541 void record_call_site_method(Thread* thread, Method* adapter);
542 void process_invokedynamic(const constantPoolHandle &cp, int index, JavaThread* thread);
543 void process_invokehandle(const constantPoolHandle &cp, int index, JavaThread* thread);
544 void find_dynamic_call_sites();
545
546 bool is_precompile();
547 InstanceKlass::ClassState compute_init_state_for_precompiled(InstanceKlass* ik);
548 };
549
550 #endif // SHARE_CI_CIENV_HPP
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