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src/hotspot/share/interpreter/bytecodeTracer.cpp

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  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 

 25 #include "classfile/classPrinter.hpp"
 26 #include "classfile/javaClasses.inline.hpp"
 27 #include "interpreter/bytecodeHistogram.hpp"
 28 #include "interpreter/bytecodes.hpp"
 29 #include "interpreter/bytecodeStream.hpp"
 30 #include "interpreter/bytecodeTracer.hpp"
 31 #include "interpreter/interpreter.hpp"
 32 #include "memory/resourceArea.hpp"
 33 #include "oops/constantPool.inline.hpp"
 34 #include "oops/method.hpp"
 35 #include "oops/methodData.hpp"
 36 #include "runtime/atomicAccess.hpp"
 37 #include "runtime/handles.inline.hpp"
 38 #include "runtime/mutexLocker.hpp"
 39 #include "runtime/osThread.hpp"
 40 #include "utilities/align.hpp"
 41 
 42 // Prints the current bytecode and its attributes using bytecode-specific information.
 43 
 44 class BytecodePrinter {

286 
287   int bsm = constants->bootstrap_method_ref_index_at(cp_index);
288   st->print(" bsm=%d", bsm);
289 
290   Symbol* name = constants->uncached_name_ref_at(cp_index);
291   Symbol* signature = constants->uncached_signature_ref_at(cp_index);
292   const char* sep = tag.is_dynamic_constant() ? ":" : "";
293   st->print_cr(" %d <%s%s%s>", cp_index, name->as_C_string(), sep, signature->as_C_string());
294 }
295 
296 void BytecodePrinter::print_invokedynamic(int indy_index, int cp_index, outputStream* st) {
297   print_dynamic(cp_index, st);
298 
299   if (ClassPrinter::has_mode(_flags, ClassPrinter::PRINT_DYNAMIC)) {
300     print_bsm(cp_index, st);
301 
302     if (is_linked()) {
303       ResolvedIndyEntry* indy_entry = constants()->resolved_indy_entry_at(indy_index);
304       st->print("  ResolvedIndyEntry: ");
305       indy_entry->print_on(st);




306     }
307   }
308 }
309 
310 // cp_index: must be the cp_index of a JVM_CONSTANT_{Dynamic, DynamicInError, InvokeDynamic}
311 void BytecodePrinter::print_bsm(int cp_index, outputStream* st) {
312   assert(constants()->tag_at(cp_index).has_bootstrap(), "must be");
313   int bsm = constants()->bootstrap_method_ref_index_at(cp_index);
314   const char* ref_kind = "";
315   switch (constants()->method_handle_ref_kind_at(bsm)) {
316   case JVM_REF_getField         : ref_kind = "REF_getField"; break;
317   case JVM_REF_getStatic        : ref_kind = "REF_getStatic"; break;
318   case JVM_REF_putField         : ref_kind = "REF_putField"; break;
319   case JVM_REF_putStatic        : ref_kind = "REF_putStatic"; break;
320   case JVM_REF_invokeVirtual    : ref_kind = "REF_invokeVirtual"; break;
321   case JVM_REF_invokeStatic     : ref_kind = "REF_invokeStatic"; break;
322   case JVM_REF_invokeSpecial    : ref_kind = "REF_invokeSpecial"; break;
323   case JVM_REF_newInvokeSpecial : ref_kind = "REF_newInvokeSpecial"; break;
324   case JVM_REF_invokeInterface  : ref_kind = "REF_invokeInterface"; break;
325   default                       : ShouldNotReachHere();

  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 
 25 #include "cds/heapShared.hpp"
 26 #include "classfile/classPrinter.hpp"
 27 #include "classfile/javaClasses.inline.hpp"
 28 #include "interpreter/bytecodeHistogram.hpp"
 29 #include "interpreter/bytecodes.hpp"
 30 #include "interpreter/bytecodeStream.hpp"
 31 #include "interpreter/bytecodeTracer.hpp"
 32 #include "interpreter/interpreter.hpp"
 33 #include "memory/resourceArea.hpp"
 34 #include "oops/constantPool.inline.hpp"
 35 #include "oops/method.hpp"
 36 #include "oops/methodData.hpp"
 37 #include "runtime/atomicAccess.hpp"
 38 #include "runtime/handles.inline.hpp"
 39 #include "runtime/mutexLocker.hpp"
 40 #include "runtime/osThread.hpp"
 41 #include "utilities/align.hpp"
 42 
 43 // Prints the current bytecode and its attributes using bytecode-specific information.
 44 
 45 class BytecodePrinter {

287 
288   int bsm = constants->bootstrap_method_ref_index_at(cp_index);
289   st->print(" bsm=%d", bsm);
290 
291   Symbol* name = constants->uncached_name_ref_at(cp_index);
292   Symbol* signature = constants->uncached_signature_ref_at(cp_index);
293   const char* sep = tag.is_dynamic_constant() ? ":" : "";
294   st->print_cr(" %d <%s%s%s>", cp_index, name->as_C_string(), sep, signature->as_C_string());
295 }
296 
297 void BytecodePrinter::print_invokedynamic(int indy_index, int cp_index, outputStream* st) {
298   print_dynamic(cp_index, st);
299 
300   if (ClassPrinter::has_mode(_flags, ClassPrinter::PRINT_DYNAMIC)) {
301     print_bsm(cp_index, st);
302 
303     if (is_linked()) {
304       ResolvedIndyEntry* indy_entry = constants()->resolved_indy_entry_at(indy_index);
305       st->print("  ResolvedIndyEntry: ");
306       indy_entry->print_on(st);
307       if (indy_entry->has_appendix()) {
308         oop apx = constants()->resolved_reference_from_indy(indy_index);
309         st->print_cr(" - appendix = " INTPTR_FORMAT, p2i(apx));
310       }
311     }
312   }
313 }
314 
315 // cp_index: must be the cp_index of a JVM_CONSTANT_{Dynamic, DynamicInError, InvokeDynamic}
316 void BytecodePrinter::print_bsm(int cp_index, outputStream* st) {
317   assert(constants()->tag_at(cp_index).has_bootstrap(), "must be");
318   int bsm = constants()->bootstrap_method_ref_index_at(cp_index);
319   const char* ref_kind = "";
320   switch (constants()->method_handle_ref_kind_at(bsm)) {
321   case JVM_REF_getField         : ref_kind = "REF_getField"; break;
322   case JVM_REF_getStatic        : ref_kind = "REF_getStatic"; break;
323   case JVM_REF_putField         : ref_kind = "REF_putField"; break;
324   case JVM_REF_putStatic        : ref_kind = "REF_putStatic"; break;
325   case JVM_REF_invokeVirtual    : ref_kind = "REF_invokeVirtual"; break;
326   case JVM_REF_invokeStatic     : ref_kind = "REF_invokeStatic"; break;
327   case JVM_REF_invokeSpecial    : ref_kind = "REF_invokeSpecial"; break;
328   case JVM_REF_newInvokeSpecial : ref_kind = "REF_newInvokeSpecial"; break;
329   case JVM_REF_invokeInterface  : ref_kind = "REF_invokeInterface"; break;
330   default                       : ShouldNotReachHere();
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