48 jobject _protection_domain;
49
50 InstanceKlass::ClassState _init_state; // state of class
51 bool _is_shared;
52 bool _has_finalizer;
53 bool _has_subklass;
54 bool _has_nonstatic_fields;
55 bool _has_nonstatic_concrete_methods;
56 bool _is_anonymous;
57
58 ciFlags _flags;
59 jint _nonstatic_field_size;
60 jint _nonstatic_oop_map_size;
61
62 // Lazy fields get filled in only upon request.
63 ciInstanceKlass* _super;
64 ciInstance* _java_mirror;
65
66 ciConstantPoolCache* _field_cache; // cached map index->field
67 GrowableArray<ciField*>* _nonstatic_fields;
68 int _nof_declared_nonstatic_fields; // Number of nonstatic fields declared in the bytecode
69 // i.e., without value types flattened into the instance.
70
71 int _has_injected_fields; // any non static injected fields? lazily initialized.
72
73 ciInstanceKlass* _vcc_klass; // points to the value-capable class corresponding to the current derived value type class.
74
75 // The possible values of the _implementor fall into following three cases:
76 // NULL: no implementor.
77 // A ciInstanceKlass that's not itself: one implementor.
78 // Itsef: more than one implementors.
79 ciInstanceKlass* _implementor;
80
81 void compute_injected_fields();
82 bool compute_injected_fields_helper();
83
84 protected:
85 ciInstanceKlass(Klass* k);
86 ciInstanceKlass(ciSymbol* name, jobject loader, jobject protection_domain);
87
88 InstanceKlass* get_instanceKlass() const {
89 return InstanceKlass::cast(get_Klass());
90 }
91
92 oop loader();
93 jobject loader_handle();
94
95 oop protection_domain();
96 jobject protection_domain_handle();
97
98 const char* type_string() { return "ciInstanceKlass"; }
99
100 bool is_in_package_impl(const char* packagename, int len);
101
102 void print_impl(outputStream* st);
103
104 ciConstantPoolCache* field_cache();
105
106 bool is_shared() { return _is_shared; }
107
108 void compute_shared_init_state();
109 bool compute_shared_has_subklass();
110 int compute_nonstatic_fields();
111 GrowableArray<ciField*>* compute_nonstatic_fields_impl(GrowableArray<ciField*>* super_fields);
112
113 // Update the init_state for shared klasses
114 void update_if_shared(InstanceKlass::ClassState expected) {
115 if (_is_shared && _init_state != expected) {
116 if (is_loaded()) compute_shared_init_state();
117 }
118 }
119
120 public:
121 // Has this klass been initialized?
122 bool is_initialized() {
123 update_if_shared(InstanceKlass::fully_initialized);
124 return _init_state == InstanceKlass::fully_initialized;
125 }
126 // Is this klass being initialized?
127 bool is_being_initialized() {
128 update_if_shared(InstanceKlass::being_initialized);
129 return _init_state == InstanceKlass::being_initialized;
130 }
131 // Has this klass been linked?
178 } else {
179 return 2;
180 }
181 }
182 bool has_nonstatic_concrete_methods() {
183 assert(is_loaded(), "must be loaded");
184 return _has_nonstatic_concrete_methods;
185 }
186
187 bool is_anonymous() {
188 return _is_anonymous;
189 }
190
191 ciInstanceKlass* get_canonical_holder(int offset);
192 ciField* get_field_by_offset(int field_offset, bool is_static);
193 ciType* get_field_type_by_offset(int field_offset);
194 ciField* get_field_by_name(ciSymbol* name, ciSymbol* signature, bool is_static);
195
196 // total number of nonstatic fields (including inherited):
197 int nof_nonstatic_fields() {
198 if (_nonstatic_fields == NULL)
199 return compute_nonstatic_fields();
200 else
201 return _nonstatic_fields->length();
202 }
203
204 int nof_declared_nonstatic_fields() {
205 if (_nonstatic_fields == NULL) {
206 compute_nonstatic_fields();
207 }
208 assert(_nof_declared_nonstatic_fields >= 0, "after lazy initialization _nof_declared_nonstatic_fields must be at least 0");
209 return _nof_declared_nonstatic_fields;
210 }
211
212 bool has_injected_fields() {
213 if (_has_injected_fields == -1) {
214 compute_injected_fields();
215 }
216 return _has_injected_fields > 0 ? true : false;
217 }
218
219 // nth nonstatic field (presented by ascending address)
220 ciField* nonstatic_field_at(int i) {
221 assert(_nonstatic_fields != NULL, "");
222 return _nonstatic_fields->at(i);
223 }
224
225 ciInstanceKlass* unique_concrete_subklass();
226 bool has_finalizable_subclass();
227
228 bool contains_field_offset(int offset) {
229 return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size(), is_valuetype());
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48 jobject _protection_domain;
49
50 InstanceKlass::ClassState _init_state; // state of class
51 bool _is_shared;
52 bool _has_finalizer;
53 bool _has_subklass;
54 bool _has_nonstatic_fields;
55 bool _has_nonstatic_concrete_methods;
56 bool _is_anonymous;
57
58 ciFlags _flags;
59 jint _nonstatic_field_size;
60 jint _nonstatic_oop_map_size;
61
62 // Lazy fields get filled in only upon request.
63 ciInstanceKlass* _super;
64 ciInstance* _java_mirror;
65
66 ciConstantPoolCache* _field_cache; // cached map index->field
67 GrowableArray<ciField*>* _nonstatic_fields;
68
69 int _has_injected_fields; // any non static injected fields? lazily initialized.
70
71 ciInstanceKlass* _vcc_klass; // points to the value-capable class corresponding to the current derived value type class.
72
73 // The possible values of the _implementor fall into following three cases:
74 // NULL: no implementor.
75 // A ciInstanceKlass that's not itself: one implementor.
76 // Itsef: more than one implementors.
77 ciInstanceKlass* _implementor;
78
79 void compute_injected_fields();
80 bool compute_injected_fields_helper();
81
82 protected:
83 ciInstanceKlass(Klass* k);
84 ciInstanceKlass(ciSymbol* name, jobject loader, jobject protection_domain);
85
86 InstanceKlass* get_instanceKlass() const {
87 return InstanceKlass::cast(get_Klass());
88 }
89
90 oop loader();
91 jobject loader_handle();
92
93 oop protection_domain();
94 jobject protection_domain_handle();
95
96 const char* type_string() { return "ciInstanceKlass"; }
97
98 bool is_in_package_impl(const char* packagename, int len);
99
100 void print_impl(outputStream* st);
101
102 ciConstantPoolCache* field_cache();
103
104 bool is_shared() { return _is_shared; }
105
106 void compute_shared_init_state();
107 bool compute_shared_has_subklass();
108 virtual int compute_nonstatic_fields();
109 GrowableArray<ciField*>* compute_nonstatic_fields_impl(GrowableArray<ciField*>* super_fields, bool flatten = true);
110
111 // Update the init_state for shared klasses
112 void update_if_shared(InstanceKlass::ClassState expected) {
113 if (_is_shared && _init_state != expected) {
114 if (is_loaded()) compute_shared_init_state();
115 }
116 }
117
118 public:
119 // Has this klass been initialized?
120 bool is_initialized() {
121 update_if_shared(InstanceKlass::fully_initialized);
122 return _init_state == InstanceKlass::fully_initialized;
123 }
124 // Is this klass being initialized?
125 bool is_being_initialized() {
126 update_if_shared(InstanceKlass::being_initialized);
127 return _init_state == InstanceKlass::being_initialized;
128 }
129 // Has this klass been linked?
176 } else {
177 return 2;
178 }
179 }
180 bool has_nonstatic_concrete_methods() {
181 assert(is_loaded(), "must be loaded");
182 return _has_nonstatic_concrete_methods;
183 }
184
185 bool is_anonymous() {
186 return _is_anonymous;
187 }
188
189 ciInstanceKlass* get_canonical_holder(int offset);
190 ciField* get_field_by_offset(int field_offset, bool is_static);
191 ciType* get_field_type_by_offset(int field_offset);
192 ciField* get_field_by_name(ciSymbol* name, ciSymbol* signature, bool is_static);
193
194 // total number of nonstatic fields (including inherited):
195 int nof_nonstatic_fields() {
196 if (_nonstatic_fields == NULL) {
197 return compute_nonstatic_fields();
198 } else {
199 return _nonstatic_fields->length();
200 }
201 }
202
203 bool has_injected_fields() {
204 if (_has_injected_fields == -1) {
205 compute_injected_fields();
206 }
207 return _has_injected_fields > 0 ? true : false;
208 }
209
210 // nth nonstatic field (presented by ascending address)
211 ciField* nonstatic_field_at(int i) {
212 assert(_nonstatic_fields != NULL, "");
213 return _nonstatic_fields->at(i);
214 }
215
216 ciInstanceKlass* unique_concrete_subklass();
217 bool has_finalizable_subclass();
218
219 bool contains_field_offset(int offset) {
220 return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size(), is_valuetype());
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