src/share/vm/ci/ciMethodData.hpp
Index Unified diffs Context diffs Sdiffs Patch New Old Previous File Next File hotspot Sdiff src/share/vm/ci

src/share/vm/ci/ciMethodData.hpp

Print this page
rev 6132 : 8026694: New type profiling points break compilation replay
Summary: fixes compilation replay with new profiling points
Reviewed-by:


  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 


 389   u_char _saw_free_extra_data;
 390 
 391   // Support for interprocedural escape analysis
 392   intx              _eflags;          // flags on escape information
 393   intx              _arg_local;       // bit set of non-escaping arguments
 394   intx              _arg_stack;       // bit set of stack-allocatable arguments
 395   intx              _arg_returned;    // bit set of returned arguments
 396 
 397   // Maturity of the oop when the snapshot is taken.
 398   int _current_mileage;
 399 
 400   // These counters hold the age of MDO in tiered. In tiered we can have the same method
 401   // running at different compilation levels concurrently. So, in order to precisely measure
 402   // its maturity we need separate counters.
 403   int _invocation_counter;
 404   int _backedge_counter;
 405 
 406   // Coherent snapshot of original header.
 407   MethodData _orig;
 408 
 409   // Dedicated area dedicated to parameters. Null if no parameter
 410   // profiling for this method.
 411   DataLayout* _parameters;
 412 
 413   ciMethodData(MethodData* md);
 414   ciMethodData();
 415 
 416   // Accessors
 417   int data_size() const { return _data_size; }
 418   int extra_data_size() const { return _extra_data_size; }
 419   intptr_t * data() const { return _data; }
 420 
 421   MethodData* get_MethodData() const {
 422     return (MethodData*)_metadata;
 423   }
 424 
 425   const char* type_string()                      { return "ciMethodData"; }
 426 
 427   void print_impl(outputStream* st);
 428 
 429   DataLayout* data_layout_at(int data_index) const {
 430     assert(data_index % sizeof(intptr_t) == 0, "unaligned");


 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




  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 = NULL) 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 = NULL) 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 = NULL) 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 = NULL) 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 = NULL) 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(speculative_trap_method);
 353   }
 354 
 355   void set_method(ciMethod* m) {
 356     set_intptr_at(speculative_trap_method, (intptr_t)m);
 357   }
 358 
 359 #ifndef PRODUCT
 360   void print_data_on(outputStream* st, const char* extra = NULL) 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 


 389   u_char _saw_free_extra_data;
 390 
 391   // Support for interprocedural escape analysis
 392   intx              _eflags;          // flags on escape information
 393   intx              _arg_local;       // bit set of non-escaping arguments
 394   intx              _arg_stack;       // bit set of stack-allocatable arguments
 395   intx              _arg_returned;    // bit set of returned arguments
 396 
 397   // Maturity of the oop when the snapshot is taken.
 398   int _current_mileage;
 399 
 400   // These counters hold the age of MDO in tiered. In tiered we can have the same method
 401   // running at different compilation levels concurrently. So, in order to precisely measure
 402   // its maturity we need separate counters.
 403   int _invocation_counter;
 404   int _backedge_counter;
 405 
 406   // Coherent snapshot of original header.
 407   MethodData _orig;
 408 
 409   // Area dedicated to parameters. NULL if no parameter profiling for
 410   // this method.
 411   DataLayout* _parameters;
 412 
 413   ciMethodData(MethodData* md);
 414   ciMethodData();
 415 
 416   // Accessors
 417   int data_size() const { return _data_size; }
 418   int extra_data_size() const { return _extra_data_size; }
 419   intptr_t * data() const { return _data; }
 420 
 421   MethodData* get_MethodData() const {
 422     return (MethodData*)_metadata;
 423   }
 424 
 425   const char* type_string()                      { return "ciMethodData"; }
 426 
 427   void print_impl(outputStream* st);
 428 
 429   DataLayout* data_layout_at(int data_index) const {
 430     assert(data_index % sizeof(intptr_t) == 0, "unaligned");


 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   void dump_replay_data_type_helper(outputStream* out, int round, int& count, ProfileData* pdata, ByteSize offset, ciKlass* k);
 471   template<class T> void dump_replay_data_call_type_helper(outputStream* out, int round, int& count, T* call_type_data);
 472   template<class T> void dump_replay_data_receiver_type_helper(outputStream* out, int round, int& count, T* call_type_data);
 473   void dump_replay_data_extra_data_helper(outputStream* out, int round, int& count);
 474 
 475 public:
 476   bool is_method_data() const { return true; }
 477 
 478   bool is_empty()  { return _state == empty_state; }
 479   bool is_mature() { return _state == mature_state; }
 480 
 481   int creation_mileage() { return _orig.creation_mileage(); }
 482   int current_mileage()  { return _current_mileage; }
 483 
 484   int invocation_count() { return _invocation_counter; }
 485   int backedge_count()   { return _backedge_counter;   }
 486   // Transfer information about the method to MethodData*.
 487   // would_profile means we would like to profile this method,
 488   // meaning it's not trivial.
 489   void set_would_profile(bool p);
 490   // Also set the numer of loops and blocks in the method.
 491   // Again, this is used to determine if a method is trivial.
 492   void set_compilation_stats(short loops, short blocks);
 493   // If the compiler finds a profiled type that is known statically


src/share/vm/ci/ciMethodData.hpp
Index Unified diffs Context diffs Sdiffs Patch New Old Previous File Next File