hotspot/src/share/vm/oops/annotations.cpp
changeset 15601 df8faef6efaf
parent 15437 eabd4555d072
child 17858 c292f8791cca
equal deleted inserted replaced
15600:753e5733b5c9 15601:df8faef6efaf
    34 // Allocate annotations in metadata area
    34 // Allocate annotations in metadata area
    35 Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) {
    35 Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) {
    36   return new (loader_data, size(), true, THREAD) Annotations();
    36   return new (loader_data, size(), true, THREAD) Annotations();
    37 }
    37 }
    38 
    38 
    39 Annotations* Annotations::allocate(ClassLoaderData* loader_data,
       
    40                                    Array<AnnotationArray*>* fa,
       
    41                                    Array<AnnotationArray*>* ma,
       
    42                                    Array<AnnotationArray*>* mpa,
       
    43                                    Array<AnnotationArray*>* mda, TRAPS) {
       
    44   return new (loader_data, size(), true, THREAD) Annotations(fa, ma, mpa, mda);
       
    45 }
       
    46 
       
    47 // helper
    39 // helper
    48 static void free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {
    40 void Annotations::free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {
    49   if (p != NULL) {
    41   if (p != NULL) {
    50     for (int i = 0; i < p->length(); i++) {
    42     for (int i = 0; i < p->length(); i++) {
    51       MetadataFactory::free_array<u1>(loader_data, p->at(i));
    43       MetadataFactory::free_array<u1>(loader_data, p->at(i));
    52     }
    44     }
    53     MetadataFactory::free_array<AnnotationArray*>(loader_data, p);
    45     MetadataFactory::free_array<AnnotationArray*>(loader_data, p);
    57 void Annotations::deallocate_contents(ClassLoaderData* loader_data) {
    49 void Annotations::deallocate_contents(ClassLoaderData* loader_data) {
    58   if (class_annotations() != NULL) {
    50   if (class_annotations() != NULL) {
    59     MetadataFactory::free_array<u1>(loader_data, class_annotations());
    51     MetadataFactory::free_array<u1>(loader_data, class_annotations());
    60   }
    52   }
    61   free_contents(loader_data, fields_annotations());
    53   free_contents(loader_data, fields_annotations());
    62   free_contents(loader_data, methods_annotations());
       
    63   free_contents(loader_data, methods_parameter_annotations());
       
    64   free_contents(loader_data, methods_default_annotations());
       
    65 
    54 
    66   // Recursively deallocate optional Annotations linked through this one
    55   if (class_type_annotations() != NULL) {
    67   MetadataFactory::free_metadata(loader_data, type_annotations());
    56     MetadataFactory::free_array<u1>(loader_data, class_type_annotations());
       
    57   }
       
    58   free_contents(loader_data, fields_type_annotations());
    68 }
    59 }
    69 
    60 
    70 // Set the annotation at 'idnum' to 'anno'.
       
    71 // We don't want to create or extend the array if 'anno' is NULL, since that is the
       
    72 // default value.  However, if the array exists and is long enough, we must set NULL values.
       
    73 void Annotations::set_methods_annotations_of(instanceKlassHandle ik,
       
    74                                              int idnum, AnnotationArray* anno,
       
    75                                              Array<AnnotationArray*>** md_p,
       
    76                                              TRAPS) {
       
    77   Array<AnnotationArray*>* md = *md_p;
       
    78   if (md != NULL && md->length() > idnum) {
       
    79     md->at_put(idnum, anno);
       
    80   } else if (anno != NULL) {
       
    81     // create the array
       
    82     int length = MAX2(idnum+1, (int)ik->idnum_allocated_count());
       
    83     md = MetadataFactory::new_array<AnnotationArray*>(ik->class_loader_data(), length, CHECK);
       
    84     if (*md_p != NULL) {
       
    85       // copy the existing entries
       
    86       for (int index = 0; index < (*md_p)->length(); index++) {
       
    87         md->at_put(index, (*md_p)->at(index));
       
    88       }
       
    89     }
       
    90     set_annotations(md, md_p);
       
    91     md->at_put(idnum, anno);
       
    92   } // if no array and idnum isn't included there is nothing to do
       
    93 }
       
    94 
       
    95 // Keep created annotations in a global growable array (should be hashtable)
       
    96 // need to add, search, delete when class is unloaded.
       
    97 // Does it need a lock?  yes.  This sucks.
       
    98 
       
    99 // Copy annotations to JVM call or reflection to the java heap.
    61 // Copy annotations to JVM call or reflection to the java heap.
       
    62 // The alternative to creating this array and adding to Java heap pressure
       
    63 // is to have a hashtable of the already created typeArrayOops
   100 typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) {
    64 typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) {
   101   if (annotations != NULL) {
    65   if (annotations != NULL) {
   102     int length = annotations->length();
    66     int length = annotations->length();
   103     typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL);
    67     typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL);
   104     for (int i = 0; i< length; i++) {
    68     for (int i = 0; i< length; i++) {
   130 }
    94 }
   131 
    95 
   132 void Annotations::collect_statistics(KlassSizeStats *sz) const {
    96 void Annotations::collect_statistics(KlassSizeStats *sz) const {
   133   sz->_annotations_bytes = sz->count(this);
    97   sz->_annotations_bytes = sz->count(this);
   134   sz->_class_annotations_bytes = sz->count(class_annotations());
    98   sz->_class_annotations_bytes = sz->count(class_annotations());
       
    99   sz->_class_type_annotations_bytes = sz->count(class_type_annotations());
   135   sz->_fields_annotations_bytes = count_bytes(fields_annotations());
   100   sz->_fields_annotations_bytes = count_bytes(fields_annotations());
   136   sz->_methods_annotations_bytes = count_bytes(methods_annotations());
   101   sz->_fields_type_annotations_bytes = count_bytes(fields_type_annotations());
   137   sz->_methods_parameter_annotations_bytes =
       
   138                           count_bytes(methods_parameter_annotations());
       
   139   sz->_methods_default_annotations_bytes =
       
   140                           count_bytes(methods_default_annotations());
       
   141 
       
   142   const Annotations* type_anno = type_annotations();
       
   143   if (type_anno != NULL) {
       
   144     sz->_type_annotations_bytes = sz->count(type_anno);
       
   145     sz->_type_annotations_bytes += sz->count(type_anno->class_annotations());
       
   146     sz->_type_annotations_bytes += count_bytes(type_anno->fields_annotations());
       
   147     sz->_type_annotations_bytes += count_bytes(type_anno->methods_annotations());
       
   148   }
       
   149 
   102 
   150   sz->_annotations_bytes +=
   103   sz->_annotations_bytes +=
   151       sz->_class_annotations_bytes +
   104       sz->_class_annotations_bytes +
       
   105       sz->_class_type_annotations_bytes +
   152       sz->_fields_annotations_bytes +
   106       sz->_fields_annotations_bytes +
   153       sz->_methods_annotations_bytes +
   107       sz->_fields_type_annotations_bytes;
   154       sz->_methods_parameter_annotations_bytes +
       
   155       sz->_methods_default_annotations_bytes +
       
   156       sz->_type_annotations_bytes;
       
   157 
   108 
   158   sz->_ro_bytes += sz->_annotations_bytes;
   109   sz->_ro_bytes += sz->_annotations_bytes;
   159 }
   110 }
   160 #endif // INCLUDE_SERVICES
   111 #endif // INCLUDE_SERVICES
   161 
   112 
   163 
   114 
   164 #ifndef PRODUCT
   115 #ifndef PRODUCT
   165 void Annotations::print_on(outputStream* st) const {
   116 void Annotations::print_on(outputStream* st) const {
   166   st->print(BULLET"class_annotations            "); class_annotations()->print_value_on(st);
   117   st->print(BULLET"class_annotations            "); class_annotations()->print_value_on(st);
   167   st->print(BULLET"fields_annotations           "); fields_annotations()->print_value_on(st);
   118   st->print(BULLET"fields_annotations           "); fields_annotations()->print_value_on(st);
   168   st->print(BULLET"methods_annotations          "); methods_annotations()->print_value_on(st);
   119   st->print(BULLET"class_type_annotations       "); class_type_annotations()->print_value_on(st);
   169   st->print(BULLET"methods_parameter_annotations"); methods_parameter_annotations()->print_value_on(st);
   120   st->print(BULLET"fields_type_annotations      "); fields_type_annotations()->print_value_on(st);
   170   st->print(BULLET"methods_default_annotations  "); methods_default_annotations()->print_value_on(st);
       
   171 }
   121 }
   172 #endif // PRODUCT
   122 #endif // PRODUCT