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src/hotspot/share/classfile/classFileParser.cpp

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rev 58565 : 8238358: Implementation of JEP 371: Hidden Classes
Reviewed-by: duke
Contributed-by: mandy.chung@oracle.com, lois.foltan@oracle.com, david.holmes@oracle.com, harold.seigel@oracle.com, serguei.spitsyn@oracle.com, alex.buckley@oracle.com, jamsheed.c.m@oracle.com
rev 58568 : [mq]: hidden-class-4


1075     _method_DontInline,
1076     _method_InjectedProfile,
1077     _method_LambdaForm_Compiled,
1078     _method_Hidden,
1079     _method_HotSpotIntrinsicCandidate,
1080     _jdk_internal_vm_annotation_Contended,
1081     _field_Stable,
1082     _jdk_internal_vm_annotation_ReservedStackAccess,
1083     _annotation_LIMIT
1084   };
1085   const Location _location;
1086   int _annotations_present;
1087   u2 _contended_group;
1088 
1089   AnnotationCollector(Location location)
1090     : _location(location), _annotations_present(0)
1091   {
1092     assert((int)_annotation_LIMIT <= (int)sizeof(_annotations_present) * BitsPerByte, "");
1093   }
1094   // If this annotation name has an ID, report it (or _none).
1095   ID annotation_index(const ClassLoaderData* loader_data, const Symbol* name, const bool can_access_vm_annotations);
1096   // Set the annotation name:
1097   void set_annotation(ID id) {
1098     assert((int)id >= 0 && (int)id < (int)_annotation_LIMIT, "oob");
1099     _annotations_present |= nth_bit((int)id);
1100   }
1101 
1102   void remove_annotation(ID id) {
1103     assert((int)id >= 0 && (int)id < (int)_annotation_LIMIT, "oob");
1104     _annotations_present &= ~nth_bit((int)id);
1105   }
1106 
1107   // Report if the annotation is present.
1108   bool has_any_annotations() const { return _annotations_present != 0; }
1109   bool has_annotation(ID id) const { return (nth_bit((int)id) & _annotations_present) != 0; }
1110 
1111   void set_contended_group(u2 group) { _contended_group = group; }
1112   u2 contended_group() const { return _contended_group; }
1113 
1114   bool is_contended() const { return has_annotation(_jdk_internal_vm_annotation_Contended); }
1115 




1075     _method_DontInline,
1076     _method_InjectedProfile,
1077     _method_LambdaForm_Compiled,
1078     _method_Hidden,
1079     _method_HotSpotIntrinsicCandidate,
1080     _jdk_internal_vm_annotation_Contended,
1081     _field_Stable,
1082     _jdk_internal_vm_annotation_ReservedStackAccess,
1083     _annotation_LIMIT
1084   };
1085   const Location _location;
1086   int _annotations_present;
1087   u2 _contended_group;
1088 
1089   AnnotationCollector(Location location)
1090     : _location(location), _annotations_present(0)
1091   {
1092     assert((int)_annotation_LIMIT <= (int)sizeof(_annotations_present) * BitsPerByte, "");
1093   }
1094   // If this annotation name has an ID, report it (or _none).
1095   ID annotation_index(const ClassLoaderData* loader_data, const Symbol* name, bool can_access_vm_annotations);
1096   // Set the annotation name:
1097   void set_annotation(ID id) {
1098     assert((int)id >= 0 && (int)id < (int)_annotation_LIMIT, "oob");
1099     _annotations_present |= nth_bit((int)id);
1100   }
1101 
1102   void remove_annotation(ID id) {
1103     assert((int)id >= 0 && (int)id < (int)_annotation_LIMIT, "oob");
1104     _annotations_present &= ~nth_bit((int)id);
1105   }
1106 
1107   // Report if the annotation is present.
1108   bool has_any_annotations() const { return _annotations_present != 0; }
1109   bool has_annotation(ID id) const { return (nth_bit((int)id) & _annotations_present) != 0; }
1110 
1111   void set_contended_group(u2 group) { _contended_group = group; }
1112   u2 contended_group() const { return _contended_group; }
1113 
1114   bool is_contended() const { return has_annotation(_jdk_internal_vm_annotation_Contended); }
1115
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