src/share/vm/oops/methodData.cpp

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rev 6796 : [mq]: templateOopIterate


  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 "classfile/systemDictionary.hpp"
  27 #include "compiler/compilerOracle.hpp"
  28 #include "interpreter/bytecode.hpp"
  29 #include "interpreter/bytecodeStream.hpp"
  30 #include "interpreter/linkResolver.hpp"
  31 #include "memory/heapInspection.hpp"
  32 #include "oops/methodData.hpp"
  33 #include "prims/jvmtiRedefineClasses.hpp"
  34 #include "runtime/compilationPolicy.hpp"
  35 #include "runtime/deoptimization.hpp"
  36 #include "runtime/handles.inline.hpp"
  37 #include "runtime/orderAccess.inline.hpp"

  38 
  39 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  40 
  41 // ==================================================================
  42 // DataLayout
  43 //
  44 // Overlay for generic profiling data.
  45 
  46 // Some types of data layouts need a length field.
  47 bool DataLayout::needs_array_len(u1 tag) {
  48   return (tag == multi_branch_data_tag) || (tag == arg_info_data_tag) || (tag == parameters_type_data_tag);
  49 }
  50 
  51 // Perform generic initialization of the data.  More specific
  52 // initialization occurs in overrides of ProfileData::post_initialize.
  53 void DataLayout::initialize(u1 tag, u2 bci, int cell_count) {
  54   _header._bits = (intptr_t)0;
  55   _header._struct._tag = tag;
  56   _header._struct._bci = bci;
  57   for (int i = 0; i < cell_count; i++) {




  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 "classfile/systemDictionary.hpp"
  27 #include "compiler/compilerOracle.hpp"
  28 #include "interpreter/bytecode.hpp"
  29 #include "interpreter/bytecodeStream.hpp"
  30 #include "interpreter/linkResolver.hpp"
  31 #include "memory/heapInspection.hpp"
  32 #include "oops/methodData.hpp"
  33 #include "prims/jvmtiRedefineClasses.hpp"
  34 #include "runtime/compilationPolicy.hpp"
  35 #include "runtime/deoptimization.hpp"
  36 #include "runtime/handles.inline.hpp"
  37 #include "runtime/orderAccess.inline.hpp"
  38 #include "utilities/copy.hpp"
  39 
  40 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  41 
  42 // ==================================================================
  43 // DataLayout
  44 //
  45 // Overlay for generic profiling data.
  46 
  47 // Some types of data layouts need a length field.
  48 bool DataLayout::needs_array_len(u1 tag) {
  49   return (tag == multi_branch_data_tag) || (tag == arg_info_data_tag) || (tag == parameters_type_data_tag);
  50 }
  51 
  52 // Perform generic initialization of the data.  More specific
  53 // initialization occurs in overrides of ProfileData::post_initialize.
  54 void DataLayout::initialize(u1 tag, u2 bci, int cell_count) {
  55   _header._bits = (intptr_t)0;
  56   _header._struct._tag = tag;
  57   _header._struct._bci = bci;
  58   for (int i = 0; i < cell_count; i++) {