// Write the class attributes portion of ClassFile structure
// JVMSpec| u2 attributes_count;
// JVMSpec| attribute_info attributes[attributes_count];
void JvmtiClassFileReconstituter::write_class_attributes() {
u2 inner_classes_length = inner_classes_attribute_length();
Symbol* generic_signature = ikh()->generic_signature();
AnnotationArray* anno = ikh()->class_annotations();
AnnotationArray* type_anno = ikh()->class_type_annotations();
int attr_count = 0;
if (generic_signature != NULL) {
++attr_count;
}
if (ikh()->source_file_name() != NULL) {
++attr_count;
}
if (ikh()->source_debug_extension() != NULL) {
++attr_count;
}
if (inner_classes_length > 0) {
++attr_count;
}
if (anno != NULL) {
++attr_count; // has RuntimeVisibleAnnotations attribute
}
if (type_anno != NULL) {
++attr_count; // has RuntimeVisibleTypeAnnotations attribute
}
if (cpool()->operands() != NULL) {
++attr_count;
}
write_u2(attr_count);
if (generic_signature != NULL) {
write_signature_attribute(symbol_to_cpool_index(generic_signature));
}
if (ikh()->source_file_name() != NULL) {
write_source_file_attribute();
}
if (ikh()->source_debug_extension() != NULL) {
write_source_debug_extension_attribute();
}
if (inner_classes_length > 0) {
write_inner_classes_attribute(inner_classes_length);
}
if (anno != NULL) {
write_annotations_attribute("RuntimeVisibleAnnotations", anno);
}
if (type_anno != NULL) {
write_annotations_attribute("RuntimeVisibleTypeAnnotations", type_anno);
}
if (cpool()->operands() != NULL) {
write_bootstrapmethod_attribute();
}
}
// Write the class attributes portion of ClassFile structure
// JVMSpec| u2 attributes_count;
// JVMSpec| attribute_info attributes[attributes_count];
void JvmtiClassFileReconstituter::write_class_attributes() {
u2 inner_classes_length = inner_classes_attribute_length();
Symbol* generic_signature = ikh()->generic_signature();
typeArrayHandle anno(thread(), ikh()->class_annotations());
int attr_count = 0;
if (generic_signature != NULL) {
++attr_count;
}
if (ikh()->source_file_name() != NULL) {
++attr_count;
}
if (ikh()->source_debug_extension() != NULL) {
++attr_count;
}
if (inner_classes_length > 0) {
++attr_count;
}
if (anno.not_null()) {
++attr_count; // has RuntimeVisibleAnnotations attribute
}
write_u2(attr_count);
if (generic_signature != NULL) {
write_signature_attribute(symbol_to_cpool_index(generic_signature));
}
if (ikh()->source_file_name() != NULL) {
write_source_file_attribute();
}
if (ikh()->source_debug_extension() != NULL) {
write_source_debug_extension_attribute();
}
if (inner_classes_length > 0) {
write_inner_classes_attribute(inner_classes_length);
}
if (anno.not_null()) {
write_annotations_attribute("RuntimeVisibleAnnotations", anno);
}
}
// Write the field information portion of ClassFile structure
// JVMSpec| u2 fields_count;
// JVMSpec| field_info fields[fields_count];
void JvmtiClassFileReconstituter::write_field_infos() {
HandleMark hm(thread());
Array<AnnotationArray*>* fields_anno = ikh()->fields_annotations();
Array<AnnotationArray*>* fields_type_anno = ikh()->fields_type_annotations();
// Compute the real number of Java fields
int java_fields = ikh()->java_fields_count();
write_u2(java_fields);
for (JavaFieldStream fs(ikh()); !fs.done(); fs.next()) {
AccessFlags access_flags = fs.access_flags();
int name_index = fs.name_index();
int signature_index = fs.signature_index();
int initial_value_index = fs.initval_index();
guarantee(name_index != 0 && signature_index != 0, "bad constant pool index for field");
// int offset = ikh()->field_offset( index );
int generic_signature_index = fs.generic_signature_index();
AnnotationArray* anno = fields_anno == NULL ? NULL : fields_anno->at(fs.index());
AnnotationArray* type_anno = fields_type_anno == NULL ? NULL : fields_type_anno->at(fs.index());
// JVMSpec| field_info {
// JVMSpec| u2 access_flags;
// JVMSpec| u2 name_index;
// JVMSpec| u2 descriptor_index;
// JVMSpec| u2 attributes_count;
// JVMSpec| attribute_info attributes[attributes_count];
// JVMSpec| }
write_u2(access_flags.as_int() & JVM_RECOGNIZED_FIELD_MODIFIERS);
write_u2(name_index);
write_u2(signature_index);
int attr_count = 0;
if (initial_value_index != 0) {
++attr_count;
}
if (access_flags.is_synthetic()) {
// ++attr_count;
}
if (generic_signature_index != 0) {
++attr_count;
}
if (anno != NULL) {
++attr_count; // has RuntimeVisibleAnnotations attribute
}
if (type_anno != NULL) {
++attr_count; // has RuntimeVisibleTypeAnnotations attribute
}
write_u2(attr_count);
if (initial_value_index != 0) {
write_attribute_name_index("ConstantValue");
write_u4(2); //length always 2
write_u2(initial_value_index);
}
if (access_flags.is_synthetic()) {
// write_synthetic_attribute();
}
if (generic_signature_index != 0) {
write_signature_attribute(generic_signature_index);
}
if (anno != NULL) {
write_annotations_attribute("RuntimeVisibleAnnotations", anno);
}
if (type_anno != NULL) {
write_annotations_attribute("RuntimeVisibleTypeAnnotations", type_anno);
}
}
}
// Write one method_info structure
// JVMSpec| method_info {
// JVMSpec| u2 access_flags;
// JVMSpec| u2 name_index;
// JVMSpec| u2 descriptor_index;
// JVMSpec| u2 attributes_count;
// JVMSpec| attribute_info attributes[attributes_count];
// JVMSpec| }
void JvmtiClassFileReconstituter::write_method_info(methodHandle method) {
AccessFlags access_flags = method->access_flags();
ConstMethod* const_method = method->constMethod();
u2 generic_signature_index = const_method->generic_signature_index();
AnnotationArray* anno = method->annotations();
AnnotationArray* param_anno = method->parameter_annotations();
AnnotationArray* default_anno = method->annotation_default();
AnnotationArray* type_anno = method->type_annotations();
// skip generated default interface methods
if (method->is_overpass()) {
return;
}
write_u2(access_flags.get_flags() & JVM_RECOGNIZED_METHOD_MODIFIERS);
write_u2(const_method->name_index());
write_u2(const_method->signature_index());
// write attributes in the same order javac does, so we can test with byte for
// byte comparison
int attr_count = 0;
if (const_method->code_size() != 0) {
++attr_count; // has Code attribute
}
if (const_method->has_checked_exceptions()) {
++attr_count; // has Exceptions attribute
}
if (default_anno != NULL) {
++attr_count; // has AnnotationDefault attribute
}
// Deprecated attribute would go here
if (access_flags.is_synthetic()) { // FIXME
// ++attr_count;
}
if (generic_signature_index != 0) {
++attr_count;
}
if (anno != NULL) {
++attr_count; // has RuntimeVisibleAnnotations attribute
}
if (param_anno != NULL) {
++attr_count; // has RuntimeVisibleParameterAnnotations attribute
}
if (type_anno != NULL) {
++attr_count; // has RuntimeVisibleTypeAnnotations attribute
}
write_u2(attr_count);
if (const_method->code_size() > 0) {
write_code_attribute(method);
}
if (const_method->has_checked_exceptions()) {
write_exceptions_attribute(const_method);
}
if (default_anno != NULL) {
write_annotations_attribute("AnnotationDefault", default_anno);
}
// Deprecated attribute would go here
if (access_flags.is_synthetic()) {
// write_synthetic_attribute();
}
if (generic_signature_index != 0) {
write_signature_attribute(generic_signature_index);
}
if (anno != NULL) {
write_annotations_attribute("RuntimeVisibleAnnotations", anno);
}
if (param_anno != NULL) {
write_annotations_attribute("RuntimeVisibleParameterAnnotations", param_anno);
}
if (type_anno != NULL) {
write_annotations_attribute("RuntimeVisibleTypeAnnotations", type_anno);
}
}
// Write the field information portion of ClassFile structure
// JVMSpec| u2 fields_count;
// JVMSpec| field_info fields[fields_count];
void JvmtiClassFileReconstituter::write_field_infos() {
HandleMark hm(thread());
typeArrayHandle fields(thread(), ikh()->fields());
int fields_length = fields->length();
int num_fields = fields_length / instanceKlass::next_offset;
objArrayHandle fields_anno(thread(), ikh()->fields_annotations());
write_u2(num_fields);
for (int index = 0; index < fields_length; index += instanceKlass::next_offset) {
AccessFlags access_flags;
int flags = fields->ushort_at(index + instanceKlass::access_flags_offset);
access_flags.set_flags(flags);
int name_index = fields->ushort_at(index + instanceKlass::name_index_offset);
int signature_index = fields->ushort_at(index + instanceKlass::signature_index_offset);
int initial_value_index = fields->ushort_at(index + instanceKlass::initval_index_offset);
guarantee(name_index != 0 && signature_index != 0, "bad constant pool index for field");
int offset = ikh()->offset_from_fields( index );
int generic_signature_index =
fields->ushort_at(index + instanceKlass::generic_signature_offset);
typeArrayHandle anno(thread(), fields_anno.not_null() ?
(typeArrayOop)(fields_anno->obj_at(index / instanceKlass::next_offset)) :
(typeArrayOop)NULL);
// JVMSpec| field_info {
// JVMSpec| u2 access_flags;
// JVMSpec| u2 name_index;
// JVMSpec| u2 descriptor_index;
// JVMSpec| u2 attributes_count;
// JVMSpec| attribute_info attributes[attributes_count];
// JVMSpec| }
write_u2(flags & JVM_RECOGNIZED_FIELD_MODIFIERS);
write_u2(name_index);
write_u2(signature_index);
int attr_count = 0;
if (initial_value_index != 0) {
++attr_count;
}
if (access_flags.is_synthetic()) {
// ++attr_count;
}
if (generic_signature_index != 0) {
++attr_count;
}
if (anno.not_null()) {
++attr_count; // has RuntimeVisibleAnnotations attribute
}
write_u2(attr_count);
if (initial_value_index != 0) {
write_attribute_name_index("ConstantValue");
write_u4(2); //length always 2
write_u2(initial_value_index);
}
if (access_flags.is_synthetic()) {
// write_synthetic_attribute();
}
if (generic_signature_index != 0) {
write_signature_attribute(generic_signature_index);
}
if (anno.not_null()) {
write_annotations_attribute("RuntimeVisibleAnnotations", anno);
}
}
}
