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src/hotspot/share/interpreter/rewriter.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 "interpreter/bytecodes.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/rewriter.hpp"
  29 #include "memory/metadataFactory.hpp"
  30 #include "memory/resourceArea.hpp"
  31 #include "oops/generateOopMap.hpp"
  32 #include "prims/methodHandles.hpp"

  33 #include "runtime/handles.inline.hpp"
  34 
  35 // Computes a CPC map (new_index -> original_index) for constant pool entries
  36 // that are referred to by the interpreter at runtime via the constant pool cache.
  37 // Also computes a CP map (original_index -> new_index).
  38 // Marks entries in CP which require additional processing.
  39 void Rewriter::compute_index_maps() {
  40   const int length  = _pool->length();
  41   init_maps(length);
  42   bool saw_mh_symbol = false;
  43   for (int i = 0; i < length; i++) {
  44     int tag = _pool->tag_at(i).value();
  45     switch (tag) {
  46       case JVM_CONSTANT_InterfaceMethodref:
  47       case JVM_CONSTANT_Fieldref          : // fall through
  48       case JVM_CONSTANT_Methodref         : // fall through
  49         add_cp_cache_entry(i);
  50         break;
  51       case JVM_CONSTANT_Dynamic:
  52         assert(_pool->has_dynamic_constant(), "constant pool's _has_dynamic_constant flag not set");




  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 "interpreter/bytecodes.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/rewriter.hpp"
  29 #include "memory/metadataFactory.hpp"
  30 #include "memory/resourceArea.hpp"
  31 #include "oops/generateOopMap.hpp"
  32 #include "prims/methodHandles.hpp"
  33 #include "runtime/fieldDescriptor.inline.hpp"
  34 #include "runtime/handles.inline.hpp"
  35 
  36 // Computes a CPC map (new_index -> original_index) for constant pool entries
  37 // that are referred to by the interpreter at runtime via the constant pool cache.
  38 // Also computes a CP map (original_index -> new_index).
  39 // Marks entries in CP which require additional processing.
  40 void Rewriter::compute_index_maps() {
  41   const int length  = _pool->length();
  42   init_maps(length);
  43   bool saw_mh_symbol = false;
  44   for (int i = 0; i < length; i++) {
  45     int tag = _pool->tag_at(i).value();
  46     switch (tag) {
  47       case JVM_CONSTANT_InterfaceMethodref:
  48       case JVM_CONSTANT_Fieldref          : // fall through
  49       case JVM_CONSTANT_Methodref         : // fall through
  50         add_cp_cache_entry(i);
  51         break;
  52       case JVM_CONSTANT_Dynamic:
  53         assert(_pool->has_dynamic_constant(), "constant pool's _has_dynamic_constant flag not set");


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