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src/share/vm/interpreter/templateInterpreterGenerator.cpp

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  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 
  25 #include "precompiled.hpp"
  26 #include "code/codeCacheExtensions.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/interpreterRuntime.hpp"
  29 #include "interpreter/interp_masm.hpp"
  30 #include "interpreter/templateInterpreter.hpp"
  31 #include "interpreter/templateInterpreterGenerator.hpp"
  32 #include "interpreter/templateTable.hpp"

  33 
  34 #ifndef CC_INTERP
  35 
  36 # define __ _masm->
  37 
  38 TemplateInterpreterGenerator::TemplateInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {
  39   _unimplemented_bytecode    = NULL;
  40   _illegal_bytecode_sequence = NULL;
  41   generate_all();
  42 }
  43 
  44 static const BasicType types[Interpreter::number_of_result_handlers] = {
  45   T_BOOLEAN,
  46   T_CHAR   ,
  47   T_BYTE   ,
  48   T_SHORT  ,
  49   T_INT    ,
  50   T_LONG   ,
  51   T_VOID   ,
  52   T_FLOAT  ,


 249       if (UseCRC32Intrinsics) {
 250         method_entry(java_util_zip_CRC32_update)
 251         method_entry(java_util_zip_CRC32_updateBytes)
 252         method_entry(java_util_zip_CRC32_updateByteBuffer)
 253       }
 254 
 255       if (UseCRC32CIntrinsics) {
 256         method_entry(java_util_zip_CRC32C_updateBytes)
 257         method_entry(java_util_zip_CRC32C_updateDirectByteBuffer)
 258       }
 259 
 260       method_entry(java_lang_Float_intBitsToFloat);
 261       method_entry(java_lang_Float_floatToRawIntBits);
 262       method_entry(java_lang_Double_longBitsToDouble);
 263       method_entry(java_lang_Double_doubleToRawLongBits);
 264 
 265 #undef method_entry
 266 
 267       // Bytecodes
 268       set_entry_points_for_all_bytes();


 269     }
 270   } while (CodeCacheExtensions::needs_other_interpreter_variant());
 271 
 272   // installation of code in other places in the runtime
 273   // (ExcutableCodeManager calls not needed to copy the entries)
 274   set_safepoints_for_all_bytes();
 275 }
 276 
 277 //------------------------------------------------------------------------------------------------------------------------
 278 
 279 address TemplateInterpreterGenerator::generate_error_exit(const char* msg) {
 280   address entry = __ pc();
 281   __ stop(msg);
 282   return entry;
 283 }
 284 
 285 
 286 //------------------------------------------------------------------------------------------------------------------------
 287 
 288 void TemplateInterpreterGenerator::set_entry_points_for_all_bytes() {


 360 
 361 void TemplateInterpreterGenerator::set_short_entry_points(Template* t, address& bep, address& cep, address& sep, address& aep, address& iep, address& lep, address& fep, address& dep, address& qep, address& vep) {
 362   assert(t->is_valid(), "template must exist");
 363   switch (t->tos_in()) {
 364     case btos:
 365     case ctos:
 366     case stos:
 367       ShouldNotReachHere();  // btos/ctos/stos should use itos.
 368       break;
 369     case atos: vep = __ pc(); __ pop(atos); aep = __ pc(); generate_and_dispatch(t); break;
 370     case itos: vep = __ pc(); __ pop(itos); iep = __ pc(); generate_and_dispatch(t); break;
 371     case ltos: vep = __ pc(); __ pop(ltos); lep = __ pc(); generate_and_dispatch(t); break;
 372     case ftos: vep = __ pc(); __ pop(ftos); fep = __ pc(); generate_and_dispatch(t); break;
 373     case dtos: vep = __ pc(); __ pop(dtos); dep = __ pc(); generate_and_dispatch(t); break;
 374     case qtos: vep = __ pc(); __ pop(qtos); qep = __ pc(); generate_and_dispatch(t); break;
 375     case vtos: set_vtos_entry_points(t, bep, cep, sep, aep, iep, lep, fep, dep, qep, vep);     break;
 376     default  : ShouldNotReachHere();                                                 break;
 377   }
 378 }
 379 



































 380 
 381 //------------------------------------------------------------------------------------------------------------------------
 382 
 383 void TemplateInterpreterGenerator::generate_and_dispatch(Template* t, TosState tos_out) {
 384   if (PrintBytecodeHistogram)                                    histogram_bytecode(t);
 385 #ifndef PRODUCT
 386   // debugging code
 387   if (CountBytecodes || TraceBytecodes || StopInterpreterAt > 0) count_bytecode();
 388   if (PrintBytecodePairHistogram)                                histogram_bytecode_pair(t);
 389   if (TraceBytecodes)                                            trace_bytecode(t);
 390   if (StopInterpreterAt > 0)                                     stop_interpreter_at();
 391   __ verify_FPU(1, t->tos_in());
 392 #endif // !PRODUCT
 393   int step = 0;
 394   if (!t->does_dispatch()) {
 395     step = t->is_wide() ? Bytecodes::wide_length_for(t->bytecode()) : Bytecodes::length_for(t->bytecode());
 396     if (tos_out == ilgl) tos_out = t->tos_out();
 397     // compute bytecode size
 398     assert(step > 0, "just checkin'");
 399     // setup stuff for dispatching next bytecode


 480   }
 481 
 482   if (entry_point) {
 483     return entry_point;
 484   }
 485 
 486   // We expect the normal and native entry points to be generated first so we can reuse them.
 487   if (native) {
 488     entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::native_synchronized : Interpreter::native);
 489     if (entry_point == NULL) {
 490       entry_point = generate_native_entry(synchronized);
 491     }
 492   } else {
 493     entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::zerolocals_synchronized : Interpreter::zerolocals);
 494     if (entry_point == NULL) {
 495       entry_point = generate_normal_entry(synchronized);
 496     }
 497   }
 498 
 499   return entry_point;





















































 500 }
 501 #endif // !CC_INTERP


  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 
  25 #include "precompiled.hpp"
  26 #include "code/codeCacheExtensions.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/interpreterRuntime.hpp"
  29 #include "interpreter/interp_masm.hpp"
  30 #include "interpreter/templateInterpreter.hpp"
  31 #include "interpreter/templateInterpreterGenerator.hpp"
  32 #include "interpreter/templateTable.hpp"
  33 #include "interpreter/extendedBytecodes.hpp"
  34 
  35 #ifndef CC_INTERP
  36 
  37 # define __ _masm->
  38 
  39 TemplateInterpreterGenerator::TemplateInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {
  40   _unimplemented_bytecode    = NULL;
  41   _illegal_bytecode_sequence = NULL;
  42   generate_all();
  43 }
  44 
  45 static const BasicType types[Interpreter::number_of_result_handlers] = {
  46   T_BOOLEAN,
  47   T_CHAR   ,
  48   T_BYTE   ,
  49   T_SHORT  ,
  50   T_INT    ,
  51   T_LONG   ,
  52   T_VOID   ,
  53   T_FLOAT  ,


 250       if (UseCRC32Intrinsics) {
 251         method_entry(java_util_zip_CRC32_update)
 252         method_entry(java_util_zip_CRC32_updateBytes)
 253         method_entry(java_util_zip_CRC32_updateByteBuffer)
 254       }
 255 
 256       if (UseCRC32CIntrinsics) {
 257         method_entry(java_util_zip_CRC32C_updateBytes)
 258         method_entry(java_util_zip_CRC32C_updateDirectByteBuffer)
 259       }
 260 
 261       method_entry(java_lang_Float_intBitsToFloat);
 262       method_entry(java_lang_Float_floatToRawIntBits);
 263       method_entry(java_lang_Double_longBitsToDouble);
 264       method_entry(java_lang_Double_doubleToRawLongBits);
 265 
 266 #undef method_entry
 267 
 268       // Bytecodes
 269       set_entry_points_for_all_bytes();
 270 
 271       set_entry_points_for_all_BCSets();
 272     }
 273   } while (CodeCacheExtensions::needs_other_interpreter_variant());
 274 
 275   // installation of code in other places in the runtime
 276   // (ExcutableCodeManager calls not needed to copy the entries)
 277   set_safepoints_for_all_bytes();
 278 }
 279 
 280 //------------------------------------------------------------------------------------------------------------------------
 281 
 282 address TemplateInterpreterGenerator::generate_error_exit(const char* msg) {
 283   address entry = __ pc();
 284   __ stop(msg);
 285   return entry;
 286 }
 287 
 288 
 289 //------------------------------------------------------------------------------------------------------------------------
 290 
 291 void TemplateInterpreterGenerator::set_entry_points_for_all_bytes() {


 363 
 364 void TemplateInterpreterGenerator::set_short_entry_points(Template* t, address& bep, address& cep, address& sep, address& aep, address& iep, address& lep, address& fep, address& dep, address& qep, address& vep) {
 365   assert(t->is_valid(), "template must exist");
 366   switch (t->tos_in()) {
 367     case btos:
 368     case ctos:
 369     case stos:
 370       ShouldNotReachHere();  // btos/ctos/stos should use itos.
 371       break;
 372     case atos: vep = __ pc(); __ pop(atos); aep = __ pc(); generate_and_dispatch(t); break;
 373     case itos: vep = __ pc(); __ pop(itos); iep = __ pc(); generate_and_dispatch(t); break;
 374     case ltos: vep = __ pc(); __ pop(ltos); lep = __ pc(); generate_and_dispatch(t); break;
 375     case ftos: vep = __ pc(); __ pop(ftos); fep = __ pc(); generate_and_dispatch(t); break;
 376     case dtos: vep = __ pc(); __ pop(dtos); dep = __ pc(); generate_and_dispatch(t); break;
 377     case qtos: vep = __ pc(); __ pop(qtos); qep = __ pc(); generate_and_dispatch(t); break;
 378     case vtos: set_vtos_entry_points(t, bep, cep, sep, aep, iep, lep, fep, dep, qep, vep);     break;
 379     default  : ShouldNotReachHere();                                                 break;
 380   }
 381 }
 382 
 383 void TemplateInterpreterGenerator::set_noTosCa_entry_point(Template* t, address* ep) {
 384   assert(t->is_valid(), "template must exist");
 385   *ep = __ pc();
 386   switch (t->tos_in()) {
 387   case btos:
 388   case ctos:
 389   case stos:
 390     ShouldNotReachHere();  // btos/ctos/stos should use itos.
 391     break;
 392   case atos: __ pop(atos); break;
 393   case itos: __ pop(itos); break;
 394   case ltos: __ pop(ltos); break;
 395   case ftos: __ pop(ftos); break;
 396   case dtos: __ pop(dtos); break;
 397   case qtos: __ pop(qtos); break;
 398   case vtos: break;
 399   default  : ShouldNotReachHere();
 400   }
 401   generate_and_dispatch(t);
 402   switch (t->tos_out()) {
 403   case btos:
 404   case ctos:
 405   case stos:
 406     ShouldNotReachHere();  // btos/ctos/stos should use itos.
 407     break;
 408   case atos: __ push(atos); break;
 409   case itos: __ push(itos); break;
 410   case ltos: __ push(ltos); break;
 411   case ftos: __ push(ftos); break;
 412   case dtos: __ push(dtos); break;
 413   case qtos: __ push(qtos); break;
 414   case vtos: break;
 415   default  : ShouldNotReachHere();
 416   }
 417 }
 418 
 419 //------------------------------------------------------------------------------------------------------------------------
 420 
 421 void TemplateInterpreterGenerator::generate_and_dispatch(Template* t, TosState tos_out) {
 422   if (PrintBytecodeHistogram)                                    histogram_bytecode(t);
 423 #ifndef PRODUCT
 424   // debugging code
 425   if (CountBytecodes || TraceBytecodes || StopInterpreterAt > 0) count_bytecode();
 426   if (PrintBytecodePairHistogram)                                histogram_bytecode_pair(t);
 427   if (TraceBytecodes)                                            trace_bytecode(t);
 428   if (StopInterpreterAt > 0)                                     stop_interpreter_at();
 429   __ verify_FPU(1, t->tos_in());
 430 #endif // !PRODUCT
 431   int step = 0;
 432   if (!t->does_dispatch()) {
 433     step = t->is_wide() ? Bytecodes::wide_length_for(t->bytecode()) : Bytecodes::length_for(t->bytecode());
 434     if (tos_out == ilgl) tos_out = t->tos_out();
 435     // compute bytecode size
 436     assert(step > 0, "just checkin'");
 437     // setup stuff for dispatching next bytecode


 518   }
 519 
 520   if (entry_point) {
 521     return entry_point;
 522   }
 523 
 524   // We expect the normal and native entry points to be generated first so we can reuse them.
 525   if (native) {
 526     entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::native_synchronized : Interpreter::native);
 527     if (entry_point == NULL) {
 528       entry_point = generate_native_entry(synchronized);
 529     }
 530   } else {
 531     entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::zerolocals_synchronized : Interpreter::zerolocals);
 532     if (entry_point == NULL) {
 533       entry_point = generate_normal_entry(synchronized);
 534     }
 535   }
 536 
 537   return entry_point;
 538 }
 539 
 540 void TemplateInterpreterGenerator::set_entry_points_for_all_BCSets() {
 541   // Marking all entry points as unimplemented, so extended bytecodes generators can work lazily
 542 
 543   for (int btype = 0; btype < Bytecodes::number_of_bcset; btype++) {
 544     for (int bytecode = 0 ; bytecode < DispatchTable::length; bytecode ++) {
 545       TemplateInterpreter::_typed_entry_point[btype][bytecode] = _unimplemented_bytecode;
 546       TemplateInterpreter::_typed_wentry_point[btype][bytecode] = _unimplemented_bytecode;
 547     }
 548   }
 549 
 550   // Iterations start at bcset == 1 because value zero is reserved for legacy bytecodes
 551   for (int bcset = 1; bcset < Bytecodes::number_of_bcset; bcset++) {
 552     BCSetTemplate* bcset_template = BCSetTemplate::BCSetTemplate_for((Bytecodes::BCSet(bcset)));
 553     if (bcset_template != NULL) {
 554       set_entry_points_for_BCSet(bcset_template);
 555     }
 556   }
 557 }
 558 
 559 void TemplateInterpreterGenerator::set_entry_points_for_BCSet(BCSetTemplate* bcset_template) {
 560   GrowableArray<Alias>* aliases = bcset_template->aliases ();
 561   if (aliases != NULL) {
 562     for (int i = 0; i < aliases->length(); ++i) {
 563       Alias a = aliases->at(i);
 564       Bytecodes::BCSet btype = Bytecodes::bcset(a._extended_bytecode);
 565       Bytecodes::Code code = Bytecodes::bytecode(a._extended_bytecode);
 566       // All typed bytecodes have a vtos TosState in
 567       address ep = TemplateInterpreter::_normal_table.entry(Bytecodes::bytecode(a._alias)).entry(vtos);
 568       TemplateInterpreter::_typed_entry_point[btype][code] = ep;
 569       if (Bytecodes::wide_is_defined(Bytecodes::bytecode(a._extended_bytecode))) {
 570         TemplateInterpreter::_typed_wentry_point[btype][code] = TemplateInterpreter::_wentry_point[Bytecodes::bytecode(a._alias)];
 571       }
 572     }
 573   }
 574   GrowableArray<Template>* templates = bcset_template->templates();
 575   if (templates != NULL) {
 576     for (int i = 0; i < templates->length(); ++i) {
 577       Template t = templates->at(i);
 578       Bytecodes::Code ext_code = t.bytecode();
 579       Bytecodes::Code code = Bytecodes::bytecode(ext_code);
 580       Bytecodes::BCSet btype = Bytecodes::bcset(ext_code);
 581       CodeletMark cm(_masm, Bytecodes::name(ext_code), ext_code);
 582       address* ep = NULL;
 583       if (t.is_wide()) {
 584         ep = &TemplateInterpreter::_typed_wentry_point[btype][code];
 585       } else {
 586         ep = &TemplateInterpreter::_typed_entry_point[btype][code];
 587       }
 588       set_noTosCa_entry_point(&t, ep);
 589     }
 590   }
 591 }
 592 #endif // !CC_INTERP
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