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
25 #ifndef SHARE_VM_CI_CIMETHODDATA_HPP
26 #define SHARE_VM_CI_CIMETHODDATA_HPP
27
28 #include "ci/ciClassList.hpp"
29 #include "ci/ciKlass.hpp"
30 #include "ci/ciObject.hpp"
31 #include "ci/ciUtilities.hpp"
32 #include "oops/methodData.hpp"
33 #include "oops/oop.inline.hpp"
34
35 class ciBitData;
36 class ciCounterData;
37 class ciJumpData;
38 class ciReceiverTypeData;
39 class ciRetData;
40 class ciBranchData;
41 class ciArrayData;
42 class ciMultiBranchData;
43 class ciArgInfoData;
44 class ciCallTypeData;
45 class ciVirtualCallTypeData;
46 class ciParametersTypeData;
47
48 typedef ProfileData ciProfileData;
49
50 class ciBitData : public BitData {
51 public:
52 ciBitData(DataLayout* layout) : BitData(layout) {};
53 };
54
55 class ciCounterData : public CounterData {
56 public:
57 ciCounterData(DataLayout* layout) : CounterData(layout) {};
58 };
59
60 class ciJumpData : public JumpData {
61 public:
62 ciJumpData(DataLayout* layout) : JumpData(layout) {};
63 };
64
65 class ciTypeEntries {
66 protected:
156
157 intptr_t return_type() const {
158 assert(has_return(), "no ret type profiling data");
159 return ret()->type();
160 }
161
162 ciKlass* valid_return_type() const {
163 assert(has_return(), "no ret type profiling data");
164 return ret()->valid_type();
165 }
166
167 bool argument_maybe_null(int i) const {
168 return args()->maybe_null(i);
169 }
170
171 bool return_maybe_null() const {
172 return ret()->maybe_null();
173 }
174
175 #ifndef PRODUCT
176 void print_data_on(outputStream* st) const;
177 #endif
178 };
179
180 class ciReceiverTypeData : public ReceiverTypeData {
181 public:
182 ciReceiverTypeData(DataLayout* layout) : ReceiverTypeData(layout) {};
183
184 void set_receiver(uint row, ciKlass* recv) {
185 assert((uint)row < row_limit(), "oob");
186 set_intptr_at(receiver0_offset + row * receiver_type_row_cell_count,
187 (intptr_t) recv);
188 }
189
190 ciKlass* receiver(uint row) const {
191 assert((uint)row < row_limit(), "oob");
192 ciKlass* recv = (ciKlass*)intptr_at(receiver0_offset + row * receiver_type_row_cell_count);
193 assert(recv == NULL || recv->is_klass(), "wrong type");
194 return recv;
195 }
196
197 // Copy & translate from oop based ReceiverTypeData
198 virtual void translate_from(const ProfileData* data) {
199 translate_receiver_data_from(data);
200 }
201 void translate_receiver_data_from(const ProfileData* data);
202 #ifndef PRODUCT
203 void print_data_on(outputStream* st) const;
204 void print_receiver_data_on(outputStream* st) const;
205 #endif
206 };
207
208 class ciVirtualCallData : public VirtualCallData {
209 // Fake multiple inheritance... It's a ciReceiverTypeData also.
210 ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; }
211
212 public:
213 ciVirtualCallData(DataLayout* layout) : VirtualCallData(layout) {};
214
215 void set_receiver(uint row, ciKlass* recv) {
216 rtd_super()->set_receiver(row, recv);
217 }
218
219 ciKlass* receiver(uint row) {
220 return rtd_super()->receiver(row);
221 }
222
223 // Copy & translate from oop based VirtualCallData
224 virtual void translate_from(const ProfileData* data) {
225 rtd_super()->translate_receiver_data_from(data);
226 }
227 #ifndef PRODUCT
228 void print_data_on(outputStream* st) const;
229 #endif
230 };
231
232 class ciVirtualCallTypeData : public VirtualCallTypeData {
233 private:
234 // Fake multiple inheritance... It's a ciReceiverTypeData also.
235 ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; }
236 public:
237 ciVirtualCallTypeData(DataLayout* layout) : VirtualCallTypeData(layout) {}
238
239 void set_receiver(uint row, ciKlass* recv) {
240 rtd_super()->set_receiver(row, recv);
241 }
242
243 ciKlass* receiver(uint row) const {
244 return rtd_super()->receiver(row);
245 }
246
247 ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)VirtualCallTypeData::args(); }
248 ciReturnTypeEntry* ret() const { return (ciReturnTypeEntry*)VirtualCallTypeData::ret(); }
270
271 intptr_t return_type() const {
272 assert(has_return(), "no ret type profiling data");
273 return ret()->type();
274 }
275
276 ciKlass* valid_return_type() const {
277 assert(has_return(), "no ret type profiling data");
278 return ret()->valid_type();
279 }
280
281 bool argument_maybe_null(int i) const {
282 return args()->maybe_null(i);
283 }
284
285 bool return_maybe_null() const {
286 return ret()->maybe_null();
287 }
288
289 #ifndef PRODUCT
290 void print_data_on(outputStream* st) const;
291 #endif
292 };
293
294
295 class ciRetData : public RetData {
296 public:
297 ciRetData(DataLayout* layout) : RetData(layout) {};
298 };
299
300 class ciBranchData : public BranchData {
301 public:
302 ciBranchData(DataLayout* layout) : BranchData(layout) {};
303 };
304
305 class ciArrayData : public ArrayData {
306 public:
307 ciArrayData(DataLayout* layout) : ArrayData(layout) {};
308 };
309
310 class ciMultiBranchData : public MultiBranchData {
319
320 class ciParametersTypeData : public ParametersTypeData {
321 public:
322 ciParametersTypeData(DataLayout* layout) : ParametersTypeData(layout) {}
323
324 virtual void translate_from(const ProfileData* data) {
325 parameters()->translate_type_data_from(data->as_ParametersTypeData()->parameters());
326 }
327
328 ciTypeStackSlotEntries* parameters() const { return (ciTypeStackSlotEntries*)ParametersTypeData::parameters(); }
329
330 ciKlass* valid_parameter_type(int i) const {
331 return parameters()->valid_type(i);
332 }
333
334 bool parameter_maybe_null(int i) const {
335 return parameters()->maybe_null(i);
336 }
337
338 #ifndef PRODUCT
339 void print_data_on(outputStream* st) const;
340 #endif
341 };
342
343 // ciMethodData
344 //
345 // This class represents a MethodData* in the HotSpot virtual
346 // machine.
347
348 class ciMethodData : public ciMetadata {
349 CI_PACKAGE_ACCESS
350 friend class ciReplay;
351
352 private:
353 // Size in bytes
354 int _data_size;
355 int _extra_data_size;
356
357 // Data entries
358 intptr_t* _data;
359
419 void set_hint_di(int di) {
420 assert(!out_of_bounds(di), "hint_di out of bounds");
421 _hint_di = di;
422 }
423 ciProfileData* data_before(int bci) {
424 // avoid SEGV on this edge case
425 if (data_size() == 0)
426 return NULL;
427 int hint = hint_di();
428 if (data_layout_at(hint)->bci() <= bci)
429 return data_at(hint);
430 return first_data();
431 }
432
433
434 // What is the index of the first data entry?
435 int first_di() { return 0; }
436
437 ciArgInfoData *arg_info() const;
438
439 public:
440 bool is_method_data() const { return true; }
441
442 bool is_empty() { return _state == empty_state; }
443 bool is_mature() { return _state == mature_state; }
444
445 int creation_mileage() { return _orig.creation_mileage(); }
446 int current_mileage() { return _current_mileage; }
447
448 int invocation_count() { return _invocation_counter; }
449 int backedge_count() { return _backedge_counter; }
450 // Transfer information about the method to MethodData*.
451 // would_profile means we would like to profile this method,
452 // meaning it's not trivial.
453 void set_would_profile(bool p);
454 // Also set the numer of loops and blocks in the method.
455 // Again, this is used to determine if a method is trivial.
456 void set_compilation_stats(short loops, short blocks);
457 // If the compiler finds a profiled type that is known statically
458 // for sure, set it in the MethodData
459 void set_argument_type(int bci, int i, ciKlass* k);
460 void set_parameter_type(int i, ciKlass* k);
461 void set_return_type(int bci, ciKlass* k);
462
463 void load_data();
464
465 // Convert a dp (data pointer) to a di (data index).
466 int dp_to_di(address dp) {
467 return dp - ((address)_data);
468 }
469
470 // Get the data at an arbitrary (sort of) data index.
471 ciProfileData* data_at(int data_index);
472
473 // Walk through the data in order.
474 ciProfileData* first_data() { return data_at(first_di()); }
475 ciProfileData* next_data(ciProfileData* current);
476 bool is_valid(ciProfileData* current) { return current != NULL; }
477
478 // Get the data at an arbitrary bci, or NULL if there is none.
479 ciProfileData* bci_to_data(int bci);
480 ciProfileData* bci_to_extra_data(int bci, bool create_if_missing);
481
482 uint overflow_trap_count() const {
483 return _orig.overflow_trap_count();
484 }
485 uint overflow_recompile_count() const {
486 return _orig.overflow_recompile_count();
487 }
488 uint decompile_count() const {
489 return _orig.decompile_count();
490 }
491 uint trap_count(int reason) const {
492 return _orig.trap_count(reason);
493 }
494 uint trap_reason_limit() const { return _orig.trap_reason_limit(); }
495 uint trap_count_limit() const { return _orig.trap_count_limit(); }
496
497 // Helpful query functions that decode trap_state.
498 int has_trap_at(ciProfileData* data, int reason);
499 int has_trap_at(int bci, int reason) {
500 return has_trap_at(bci_to_data(bci), reason);
501 }
502 int trap_recompiled_at(ciProfileData* data);
503 int trap_recompiled_at(int bci) {
504 return trap_recompiled_at(bci_to_data(bci));
505 }
506
507 void clear_escape_info();
508 bool has_escape_info();
509 void update_escape_info();
510
511 void set_eflag(MethodData::EscapeFlag f);
512 void clear_eflag(MethodData::EscapeFlag f);
513 bool eflag_set(MethodData::EscapeFlag f) const;
514
515 void set_arg_local(int i);
516 void set_arg_stack(int i);
517 void set_arg_returned(int i);
518 void set_arg_modified(int arg, uint val);
519
520 bool is_arg_local(int i) const;
521 bool is_arg_stack(int i) const;
522 bool is_arg_returned(int i) const;
523 uint arg_modified(int arg) const;
524
|
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
25 #ifndef SHARE_VM_CI_CIMETHODDATA_HPP
26 #define SHARE_VM_CI_CIMETHODDATA_HPP
27
28 #include "ci/ciClassList.hpp"
29 #include "ci/ciKlass.hpp"
30 #include "ci/ciObject.hpp"
31 #include "ci/ciUtilities.hpp"
32 #include "oops/methodData.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "runtime/deoptimization.hpp"
35
36 class ciBitData;
37 class ciCounterData;
38 class ciJumpData;
39 class ciReceiverTypeData;
40 class ciRetData;
41 class ciBranchData;
42 class ciArrayData;
43 class ciMultiBranchData;
44 class ciArgInfoData;
45 class ciCallTypeData;
46 class ciVirtualCallTypeData;
47 class ciParametersTypeData;
48 class ciSpeculativeTrapData;;
49
50 typedef ProfileData ciProfileData;
51
52 class ciBitData : public BitData {
53 public:
54 ciBitData(DataLayout* layout) : BitData(layout) {};
55 };
56
57 class ciCounterData : public CounterData {
58 public:
59 ciCounterData(DataLayout* layout) : CounterData(layout) {};
60 };
61
62 class ciJumpData : public JumpData {
63 public:
64 ciJumpData(DataLayout* layout) : JumpData(layout) {};
65 };
66
67 class ciTypeEntries {
68 protected:
158
159 intptr_t return_type() const {
160 assert(has_return(), "no ret type profiling data");
161 return ret()->type();
162 }
163
164 ciKlass* valid_return_type() const {
165 assert(has_return(), "no ret type profiling data");
166 return ret()->valid_type();
167 }
168
169 bool argument_maybe_null(int i) const {
170 return args()->maybe_null(i);
171 }
172
173 bool return_maybe_null() const {
174 return ret()->maybe_null();
175 }
176
177 #ifndef PRODUCT
178 void print_data_on(outputStream* st, const char* extra) const;
179 #endif
180 };
181
182 class ciReceiverTypeData : public ReceiverTypeData {
183 public:
184 ciReceiverTypeData(DataLayout* layout) : ReceiverTypeData(layout) {};
185
186 void set_receiver(uint row, ciKlass* recv) {
187 assert((uint)row < row_limit(), "oob");
188 set_intptr_at(receiver0_offset + row * receiver_type_row_cell_count,
189 (intptr_t) recv);
190 }
191
192 ciKlass* receiver(uint row) const {
193 assert((uint)row < row_limit(), "oob");
194 ciKlass* recv = (ciKlass*)intptr_at(receiver0_offset + row * receiver_type_row_cell_count);
195 assert(recv == NULL || recv->is_klass(), "wrong type");
196 return recv;
197 }
198
199 // Copy & translate from oop based ReceiverTypeData
200 virtual void translate_from(const ProfileData* data) {
201 translate_receiver_data_from(data);
202 }
203 void translate_receiver_data_from(const ProfileData* data);
204 #ifndef PRODUCT
205 void print_data_on(outputStream* st, const char* extra) const;
206 void print_receiver_data_on(outputStream* st) const;
207 #endif
208 };
209
210 class ciVirtualCallData : public VirtualCallData {
211 // Fake multiple inheritance... It's a ciReceiverTypeData also.
212 ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; }
213
214 public:
215 ciVirtualCallData(DataLayout* layout) : VirtualCallData(layout) {};
216
217 void set_receiver(uint row, ciKlass* recv) {
218 rtd_super()->set_receiver(row, recv);
219 }
220
221 ciKlass* receiver(uint row) {
222 return rtd_super()->receiver(row);
223 }
224
225 // Copy & translate from oop based VirtualCallData
226 virtual void translate_from(const ProfileData* data) {
227 rtd_super()->translate_receiver_data_from(data);
228 }
229 #ifndef PRODUCT
230 void print_data_on(outputStream* st, const char* extra) const;
231 #endif
232 };
233
234 class ciVirtualCallTypeData : public VirtualCallTypeData {
235 private:
236 // Fake multiple inheritance... It's a ciReceiverTypeData also.
237 ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; }
238 public:
239 ciVirtualCallTypeData(DataLayout* layout) : VirtualCallTypeData(layout) {}
240
241 void set_receiver(uint row, ciKlass* recv) {
242 rtd_super()->set_receiver(row, recv);
243 }
244
245 ciKlass* receiver(uint row) const {
246 return rtd_super()->receiver(row);
247 }
248
249 ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)VirtualCallTypeData::args(); }
250 ciReturnTypeEntry* ret() const { return (ciReturnTypeEntry*)VirtualCallTypeData::ret(); }
272
273 intptr_t return_type() const {
274 assert(has_return(), "no ret type profiling data");
275 return ret()->type();
276 }
277
278 ciKlass* valid_return_type() const {
279 assert(has_return(), "no ret type profiling data");
280 return ret()->valid_type();
281 }
282
283 bool argument_maybe_null(int i) const {
284 return args()->maybe_null(i);
285 }
286
287 bool return_maybe_null() const {
288 return ret()->maybe_null();
289 }
290
291 #ifndef PRODUCT
292 void print_data_on(outputStream* st, const char* extra) const;
293 #endif
294 };
295
296
297 class ciRetData : public RetData {
298 public:
299 ciRetData(DataLayout* layout) : RetData(layout) {};
300 };
301
302 class ciBranchData : public BranchData {
303 public:
304 ciBranchData(DataLayout* layout) : BranchData(layout) {};
305 };
306
307 class ciArrayData : public ArrayData {
308 public:
309 ciArrayData(DataLayout* layout) : ArrayData(layout) {};
310 };
311
312 class ciMultiBranchData : public MultiBranchData {
321
322 class ciParametersTypeData : public ParametersTypeData {
323 public:
324 ciParametersTypeData(DataLayout* layout) : ParametersTypeData(layout) {}
325
326 virtual void translate_from(const ProfileData* data) {
327 parameters()->translate_type_data_from(data->as_ParametersTypeData()->parameters());
328 }
329
330 ciTypeStackSlotEntries* parameters() const { return (ciTypeStackSlotEntries*)ParametersTypeData::parameters(); }
331
332 ciKlass* valid_parameter_type(int i) const {
333 return parameters()->valid_type(i);
334 }
335
336 bool parameter_maybe_null(int i) const {
337 return parameters()->maybe_null(i);
338 }
339
340 #ifndef PRODUCT
341 void print_data_on(outputStream* st, const char* extra) const;
342 #endif
343 };
344
345 class ciSpeculativeTrapData : public SpeculativeTrapData {
346 public:
347 ciSpeculativeTrapData(DataLayout* layout) : SpeculativeTrapData(layout) {}
348
349 virtual void translate_from(const ProfileData* data);
350
351 ciMethod* method() const {
352 return (ciMethod*)intptr_at(method_offset);
353 }
354
355 void set_method(ciMethod* m) {
356 set_intptr_at(method_offset, (intptr_t)m);
357 }
358
359 #ifndef PRODUCT
360 void print_data_on(outputStream* st, const char* extra) const;
361 #endif
362 };
363
364 // ciMethodData
365 //
366 // This class represents a MethodData* in the HotSpot virtual
367 // machine.
368
369 class ciMethodData : public ciMetadata {
370 CI_PACKAGE_ACCESS
371 friend class ciReplay;
372
373 private:
374 // Size in bytes
375 int _data_size;
376 int _extra_data_size;
377
378 // Data entries
379 intptr_t* _data;
380
440 void set_hint_di(int di) {
441 assert(!out_of_bounds(di), "hint_di out of bounds");
442 _hint_di = di;
443 }
444 ciProfileData* data_before(int bci) {
445 // avoid SEGV on this edge case
446 if (data_size() == 0)
447 return NULL;
448 int hint = hint_di();
449 if (data_layout_at(hint)->bci() <= bci)
450 return data_at(hint);
451 return first_data();
452 }
453
454
455 // What is the index of the first data entry?
456 int first_di() { return 0; }
457
458 ciArgInfoData *arg_info() const;
459
460 address data_base() const {
461 return (address) _data;
462 }
463 DataLayout* limit_data_position() const {
464 return (DataLayout*)((address)data_base() + _data_size);
465 }
466
467 void load_extra_data();
468 ciProfileData* bci_to_extra_data(int bci, ciMethod* m, bool& two_free_slots);
469
470 public:
471 bool is_method_data() const { return true; }
472
473 bool is_empty() { return _state == empty_state; }
474 bool is_mature() { return _state == mature_state; }
475
476 int creation_mileage() { return _orig.creation_mileage(); }
477 int current_mileage() { return _current_mileage; }
478
479 int invocation_count() { return _invocation_counter; }
480 int backedge_count() { return _backedge_counter; }
481 // Transfer information about the method to MethodData*.
482 // would_profile means we would like to profile this method,
483 // meaning it's not trivial.
484 void set_would_profile(bool p);
485 // Also set the numer of loops and blocks in the method.
486 // Again, this is used to determine if a method is trivial.
487 void set_compilation_stats(short loops, short blocks);
488 // If the compiler finds a profiled type that is known statically
489 // for sure, set it in the MethodData
490 void set_argument_type(int bci, int i, ciKlass* k);
491 void set_parameter_type(int i, ciKlass* k);
492 void set_return_type(int bci, ciKlass* k);
493
494 void load_data();
495
496 // Convert a dp (data pointer) to a di (data index).
497 int dp_to_di(address dp) {
498 return dp - ((address)_data);
499 }
500
501 // Get the data at an arbitrary (sort of) data index.
502 ciProfileData* data_at(int data_index);
503
504 // Walk through the data in order.
505 ciProfileData* first_data() { return data_at(first_di()); }
506 ciProfileData* next_data(ciProfileData* current);
507 bool is_valid(ciProfileData* current) { return current != NULL; }
508
509 DataLayout* extra_data_base() const { return limit_data_position(); }
510
511 // Get the data at an arbitrary bci, or NULL if there is none. If m
512 // is not NULL look for a SpeculativeTrapData if any first.
513 ciProfileData* bci_to_data(int bci, ciMethod* m = NULL);
514
515 uint overflow_trap_count() const {
516 return _orig.overflow_trap_count();
517 }
518 uint overflow_recompile_count() const {
519 return _orig.overflow_recompile_count();
520 }
521 uint decompile_count() const {
522 return _orig.decompile_count();
523 }
524 uint trap_count(int reason) const {
525 return _orig.trap_count(reason);
526 }
527 uint trap_reason_limit() const { return _orig.trap_reason_limit(); }
528 uint trap_count_limit() const { return _orig.trap_count_limit(); }
529
530 // Helpful query functions that decode trap_state.
531 int has_trap_at(ciProfileData* data, int reason);
532 int has_trap_at(int bci, ciMethod* m, int reason) {
533 assert((m != NULL) == Deoptimization::reason_is_speculate(reason), "inconsistent method/reason");
534 return has_trap_at(bci_to_data(bci, m), reason);
535 }
536 int trap_recompiled_at(ciProfileData* data);
537 int trap_recompiled_at(int bci, ciMethod* m) {
538 return trap_recompiled_at(bci_to_data(bci, m));
539 }
540
541 void clear_escape_info();
542 bool has_escape_info();
543 void update_escape_info();
544
545 void set_eflag(MethodData::EscapeFlag f);
546 void clear_eflag(MethodData::EscapeFlag f);
547 bool eflag_set(MethodData::EscapeFlag f) const;
548
549 void set_arg_local(int i);
550 void set_arg_stack(int i);
551 void set_arg_returned(int i);
552 void set_arg_modified(int arg, uint val);
553
554 bool is_arg_local(int i) const;
555 bool is_arg_stack(int i) const;
556 bool is_arg_returned(int i) const;
557 uint arg_modified(int arg) const;
558
|