63 JVM_ACC_HAS_VANILLA_CONSTRUCTOR = 0x20000000, // True if klass has a vanilla default constructor
64 JVM_ACC_HAS_FINALIZER = 0x40000000, // True if klass has a non-empty finalize() method
65 JVM_ACC_IS_CLONEABLE_FAST = (int)0x80000000,// True if klass implements the Cloneable interface and can be optimized in generated code
66 JVM_ACC_HAS_FINAL_METHOD = 0x01000000, // True if klass has final method
67
68 // Klass* and Method* flags
69 JVM_ACC_HAS_LOCAL_VARIABLE_TABLE= 0x00200000,
70
71 JVM_ACC_PROMOTED_FLAGS = 0x00200000, // flags promoted from methods to the holding klass
72
73 // field flags
74 // Note: these flags must be defined in the low order 16 bits because
75 // InstanceKlass only stores a ushort worth of information from the
76 // AccessFlags value.
77 // These bits must not conflict with any other field-related access flags
78 // (e.g., ACC_ENUM).
79 // Note that the class-related ACC_ANNOTATION bit conflicts with these flags.
80 JVM_ACC_FIELD_ACCESS_WATCHED = 0x00002000, // field access is watched by JVMTI
81 JVM_ACC_FIELD_MODIFICATION_WATCHED = 0x00008000, // field modification is watched by JVMTI
82 JVM_ACC_FIELD_INTERNAL = 0x00000400, // internal field, same as JVM_ACC_ABSTRACT
83 JVM_ACC_FIELD_STABLE = 0x00000020, // @Stable field, same as JVM_ACC_SYNCHRONIZED
84 JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE = 0x00000800, // field has generic signature
85
86 JVM_ACC_FIELD_INTERNAL_FLAGS = JVM_ACC_FIELD_ACCESS_WATCHED |
87 JVM_ACC_FIELD_MODIFICATION_WATCHED |
88 JVM_ACC_FIELD_INTERNAL |
89 JVM_ACC_FIELD_STABLE |
90 JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE,
91
92 // flags accepted by set_field_flags()
93 JVM_ACC_FIELD_FLAGS = JVM_RECOGNIZED_FIELD_MODIFIERS | JVM_ACC_FIELD_INTERNAL_FLAGS
94
95 };
96
97
98 class AccessFlags VALUE_OBJ_CLASS_SPEC {
99 friend class VMStructs;
100 private:
101 jint _flags;
102
103 public:
137 bool is_old () const { return (_flags & JVM_ACC_IS_OLD ) != 0; }
138 bool is_obsolete () const { return (_flags & JVM_ACC_IS_OBSOLETE ) != 0; }
139 bool is_deleted () const { return (_flags & JVM_ACC_IS_DELETED ) != 0; }
140 bool is_prefixed_native () const { return (_flags & JVM_ACC_IS_PREFIXED_NATIVE ) != 0; }
141
142 // Klass* flags
143 bool has_miranda_methods () const { return (_flags & JVM_ACC_HAS_MIRANDA_METHODS ) != 0; }
144 bool has_vanilla_constructor () const { return (_flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; }
145 bool has_finalizer () const { return (_flags & JVM_ACC_HAS_FINALIZER ) != 0; }
146 bool has_final_method () const { return (_flags & JVM_ACC_HAS_FINAL_METHOD ) != 0; }
147 bool is_cloneable_fast () const { return (_flags & JVM_ACC_IS_CLONEABLE_FAST ) != 0; }
148 // Klass* and Method* flags
149 bool has_localvariable_table () const { return (_flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE) != 0; }
150 void set_has_localvariable_table() { atomic_set_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
151 void clear_has_localvariable_table() { atomic_clear_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
152
153 // field flags
154 bool is_field_access_watched() const { return (_flags & JVM_ACC_FIELD_ACCESS_WATCHED) != 0; }
155 bool is_field_modification_watched() const
156 { return (_flags & JVM_ACC_FIELD_MODIFICATION_WATCHED) != 0; }
157 bool on_stack() const { return (_flags & JVM_ACC_ON_STACK) != 0; }
158 bool is_internal() const { return (_flags & JVM_ACC_FIELD_INTERNAL) != 0; }
159 bool is_stable() const { return (_flags & JVM_ACC_FIELD_STABLE) != 0; }
160 bool field_has_generic_signature() const
161 { return (_flags & JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE) != 0; }
162
163 // get .class file flags
164 jint get_flags () const { return (_flags & JVM_ACC_WRITTEN_FLAGS); }
165
166 // Initialization
167 void add_promoted_flags(jint flags) { _flags |= (flags & JVM_ACC_PROMOTED_FLAGS); }
168 void set_field_flags(jint flags) {
169 assert((flags & JVM_ACC_FIELD_FLAGS) == flags, "only recognized flags");
170 _flags = (flags & JVM_ACC_FIELD_FLAGS);
171 }
172 void set_flags(jint flags) { _flags = (flags & JVM_ACC_WRITTEN_FLAGS); }
173
174 void set_queued_for_compilation() { atomic_set_bits(JVM_ACC_QUEUED); }
175 void clear_queued_for_compilation() { atomic_clear_bits(JVM_ACC_QUEUED); }
176
215 void set_has_miranda_methods() { atomic_set_bits(JVM_ACC_HAS_MIRANDA_METHODS); }
216
217 public:
218 // field flags
219 void set_is_field_access_watched(const bool value)
220 {
221 if (value) {
222 atomic_set_bits(JVM_ACC_FIELD_ACCESS_WATCHED);
223 } else {
224 atomic_clear_bits(JVM_ACC_FIELD_ACCESS_WATCHED);
225 }
226 }
227 void set_is_field_modification_watched(const bool value)
228 {
229 if (value) {
230 atomic_set_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED);
231 } else {
232 atomic_clear_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED);
233 }
234 }
235 void set_field_has_generic_signature()
236 {
237 atomic_set_bits(JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE);
238 }
239
240 void set_on_stack(const bool value)
241 {
242 if (value) {
243 atomic_set_bits(JVM_ACC_ON_STACK);
244 } else {
245 atomic_clear_bits(JVM_ACC_ON_STACK);
246 }
247 }
248 // Conversion
249 jshort as_short() const { return (jshort)_flags; }
250 jint as_int() const { return _flags; }
251
252 inline friend AccessFlags accessFlags_from(jint flags);
253
254 // Printing/debugging
|
63 JVM_ACC_HAS_VANILLA_CONSTRUCTOR = 0x20000000, // True if klass has a vanilla default constructor
64 JVM_ACC_HAS_FINALIZER = 0x40000000, // True if klass has a non-empty finalize() method
65 JVM_ACC_IS_CLONEABLE_FAST = (int)0x80000000,// True if klass implements the Cloneable interface and can be optimized in generated code
66 JVM_ACC_HAS_FINAL_METHOD = 0x01000000, // True if klass has final method
67
68 // Klass* and Method* flags
69 JVM_ACC_HAS_LOCAL_VARIABLE_TABLE= 0x00200000,
70
71 JVM_ACC_PROMOTED_FLAGS = 0x00200000, // flags promoted from methods to the holding klass
72
73 // field flags
74 // Note: these flags must be defined in the low order 16 bits because
75 // InstanceKlass only stores a ushort worth of information from the
76 // AccessFlags value.
77 // These bits must not conflict with any other field-related access flags
78 // (e.g., ACC_ENUM).
79 // Note that the class-related ACC_ANNOTATION bit conflicts with these flags.
80 JVM_ACC_FIELD_ACCESS_WATCHED = 0x00002000, // field access is watched by JVMTI
81 JVM_ACC_FIELD_MODIFICATION_WATCHED = 0x00008000, // field modification is watched by JVMTI
82 JVM_ACC_FIELD_INTERNAL = 0x00000400, // internal field, same as JVM_ACC_ABSTRACT
83 JVM_ACC_FIELD_STABLE = 0x00000020, // @Stable field, same as JVM_ACC_SYNCHRONIZED and JVM_ACC_SUPER
84 JVM_ACC_FIELD_INITIALIZED_FINAL_UPDATE = 0x00000100, // (static) final field updated outside (class) initializer, same as JVM_ACC_NATIVE
85 JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE = 0x00000800, // field has generic signature
86
87 JVM_ACC_FIELD_INTERNAL_FLAGS = JVM_ACC_FIELD_ACCESS_WATCHED |
88 JVM_ACC_FIELD_MODIFICATION_WATCHED |
89 JVM_ACC_FIELD_INTERNAL |
90 JVM_ACC_FIELD_STABLE |
91 JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE,
92
93 // flags accepted by set_field_flags()
94 JVM_ACC_FIELD_FLAGS = JVM_RECOGNIZED_FIELD_MODIFIERS | JVM_ACC_FIELD_INTERNAL_FLAGS
95
96 };
97
98
99 class AccessFlags VALUE_OBJ_CLASS_SPEC {
100 friend class VMStructs;
101 private:
102 jint _flags;
103
104 public:
138 bool is_old () const { return (_flags & JVM_ACC_IS_OLD ) != 0; }
139 bool is_obsolete () const { return (_flags & JVM_ACC_IS_OBSOLETE ) != 0; }
140 bool is_deleted () const { return (_flags & JVM_ACC_IS_DELETED ) != 0; }
141 bool is_prefixed_native () const { return (_flags & JVM_ACC_IS_PREFIXED_NATIVE ) != 0; }
142
143 // Klass* flags
144 bool has_miranda_methods () const { return (_flags & JVM_ACC_HAS_MIRANDA_METHODS ) != 0; }
145 bool has_vanilla_constructor () const { return (_flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; }
146 bool has_finalizer () const { return (_flags & JVM_ACC_HAS_FINALIZER ) != 0; }
147 bool has_final_method () const { return (_flags & JVM_ACC_HAS_FINAL_METHOD ) != 0; }
148 bool is_cloneable_fast () const { return (_flags & JVM_ACC_IS_CLONEABLE_FAST ) != 0; }
149 // Klass* and Method* flags
150 bool has_localvariable_table () const { return (_flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE) != 0; }
151 void set_has_localvariable_table() { atomic_set_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
152 void clear_has_localvariable_table() { atomic_clear_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
153
154 // field flags
155 bool is_field_access_watched() const { return (_flags & JVM_ACC_FIELD_ACCESS_WATCHED) != 0; }
156 bool is_field_modification_watched() const
157 { return (_flags & JVM_ACC_FIELD_MODIFICATION_WATCHED) != 0; }
158 bool has_field_initialized_final_update() const
159 { return (_flags & JVM_ACC_FIELD_INITIALIZED_FINAL_UPDATE) != 0; }
160 bool on_stack() const { return (_flags & JVM_ACC_ON_STACK) != 0; }
161 bool is_internal() const { return (_flags & JVM_ACC_FIELD_INTERNAL) != 0; }
162 bool is_stable() const { return (_flags & JVM_ACC_FIELD_STABLE) != 0; }
163 bool field_has_generic_signature() const
164 { return (_flags & JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE) != 0; }
165
166 // get .class file flags
167 jint get_flags () const { return (_flags & JVM_ACC_WRITTEN_FLAGS); }
168
169 // Initialization
170 void add_promoted_flags(jint flags) { _flags |= (flags & JVM_ACC_PROMOTED_FLAGS); }
171 void set_field_flags(jint flags) {
172 assert((flags & JVM_ACC_FIELD_FLAGS) == flags, "only recognized flags");
173 _flags = (flags & JVM_ACC_FIELD_FLAGS);
174 }
175 void set_flags(jint flags) { _flags = (flags & JVM_ACC_WRITTEN_FLAGS); }
176
177 void set_queued_for_compilation() { atomic_set_bits(JVM_ACC_QUEUED); }
178 void clear_queued_for_compilation() { atomic_clear_bits(JVM_ACC_QUEUED); }
179
218 void set_has_miranda_methods() { atomic_set_bits(JVM_ACC_HAS_MIRANDA_METHODS); }
219
220 public:
221 // field flags
222 void set_is_field_access_watched(const bool value)
223 {
224 if (value) {
225 atomic_set_bits(JVM_ACC_FIELD_ACCESS_WATCHED);
226 } else {
227 atomic_clear_bits(JVM_ACC_FIELD_ACCESS_WATCHED);
228 }
229 }
230 void set_is_field_modification_watched(const bool value)
231 {
232 if (value) {
233 atomic_set_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED);
234 } else {
235 atomic_clear_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED);
236 }
237 }
238
239 void set_has_field_initialized_final_update(const bool value) {
240 if (value) {
241 atomic_set_bits(JVM_ACC_FIELD_INITIALIZED_FINAL_UPDATE);
242 } else {
243 atomic_clear_bits(JVM_ACC_FIELD_INITIALIZED_FINAL_UPDATE);
244 }
245 }
246
247 void set_field_has_generic_signature()
248 {
249 atomic_set_bits(JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE);
250 }
251
252 void set_on_stack(const bool value)
253 {
254 if (value) {
255 atomic_set_bits(JVM_ACC_ON_STACK);
256 } else {
257 atomic_clear_bits(JVM_ACC_ON_STACK);
258 }
259 }
260 // Conversion
261 jshort as_short() const { return (jshort)_flags; }
262 jint as_int() const { return _flags; }
263
264 inline friend AccessFlags accessFlags_from(jint flags);
265
266 // Printing/debugging
|