1 /*
2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
48 JVM_ACC_QUEUED = 0x01000000, // Queued for compilation
49 JVM_ACC_NOT_C2_COMPILABLE = 0x02000000,
50 JVM_ACC_NOT_C1_COMPILABLE = 0x04000000,
51 JVM_ACC_NOT_C2_OSR_COMPILABLE = 0x08000000,
52 JVM_ACC_HAS_LINE_NUMBER_TABLE = 0x00100000,
53 JVM_ACC_HAS_CHECKED_EXCEPTIONS = 0x00400000,
54 JVM_ACC_HAS_JSRS = 0x00800000,
55 JVM_ACC_IS_OLD = 0x00010000, // RedefineClasses() has replaced this method
56 JVM_ACC_IS_OBSOLETE = 0x00020000, // RedefineClasses() has made method obsolete
57 JVM_ACC_IS_PREFIXED_NATIVE = 0x00040000, // JVMTI has prefixed this native method
58 JVM_ACC_ON_STACK = 0x00080000, // RedefineClasses() was used on the stack
59 JVM_ACC_IS_DELETED = 0x00008000, // RedefineClasses() has deleted this method
60
61 // Klass* flags
62 JVM_ACC_HAS_MIRANDA_METHODS = 0x10000000, // True if this class has miranda methods in it's vtable
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 JVM_ACC_IS_SHARED_CLASS = 0x02000000, // True if klass is shared
68
69 // Klass* and Method* flags
70 JVM_ACC_HAS_LOCAL_VARIABLE_TABLE= 0x00200000,
71
72 JVM_ACC_PROMOTED_FLAGS = 0x00200000, // flags promoted from methods to the holding klass
73
74 // field flags
75 // Note: these flags must be defined in the low order 16 bits because
76 // InstanceKlass only stores a ushort worth of information from the
77 // AccessFlags value.
78 // These bits must not conflict with any other field-related access flags
79 // (e.g., ACC_ENUM).
80 // Note that the class-related ACC_ANNOTATION bit conflicts with these flags.
81 JVM_ACC_FIELD_ACCESS_WATCHED = 0x00002000, // field access is watched by JVMTI
82 JVM_ACC_FIELD_MODIFICATION_WATCHED = 0x00008000, // field modification is watched by JVMTI
83 JVM_ACC_FIELD_INTERNAL = 0x00000400, // internal field, same as JVM_ACC_ABSTRACT
84 JVM_ACC_FIELD_STABLE = 0x00000020, // @Stable field, same as JVM_ACC_SYNCHRONIZED and JVM_ACC_SUPER
85 JVM_ACC_FIELD_INITIALIZED_FINAL_UPDATE = 0x00000100, // (static) final field updated outside (class) initializer, same as JVM_ACC_NATIVE
86 JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE = 0x00000800, // field has generic signature
87
88 JVM_ACC_FIELD_INTERNAL_FLAGS = JVM_ACC_FIELD_ACCESS_WATCHED |
131 bool loops_flag_init () const { return (_flags & JVM_ACC_LOOPS_FLAG_INIT ) != 0; }
132 bool queued_for_compilation () const { return (_flags & JVM_ACC_QUEUED ) != 0; }
133 bool is_not_c1_compilable () const { return (_flags & JVM_ACC_NOT_C1_COMPILABLE ) != 0; }
134 bool is_not_c2_compilable () const { return (_flags & JVM_ACC_NOT_C2_COMPILABLE ) != 0; }
135 bool is_not_c2_osr_compilable() const { return (_flags & JVM_ACC_NOT_C2_OSR_COMPILABLE ) != 0; }
136 bool has_linenumber_table () const { return (_flags & JVM_ACC_HAS_LINE_NUMBER_TABLE ) != 0; }
137 bool has_checked_exceptions () const { return (_flags & JVM_ACC_HAS_CHECKED_EXCEPTIONS ) != 0; }
138 bool has_jsrs () const { return (_flags & JVM_ACC_HAS_JSRS ) != 0; }
139 bool is_old () const { return (_flags & JVM_ACC_IS_OLD ) != 0; }
140 bool is_obsolete () const { return (_flags & JVM_ACC_IS_OBSOLETE ) != 0; }
141 bool is_deleted () const { return (_flags & JVM_ACC_IS_DELETED ) != 0; }
142 bool is_prefixed_native () const { return (_flags & JVM_ACC_IS_PREFIXED_NATIVE ) != 0; }
143
144 // Klass* flags
145 bool has_miranda_methods () const { return (_flags & JVM_ACC_HAS_MIRANDA_METHODS ) != 0; }
146 bool has_vanilla_constructor () const { return (_flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; }
147 bool has_finalizer () const { return (_flags & JVM_ACC_HAS_FINALIZER ) != 0; }
148 bool has_final_method () const { return (_flags & JVM_ACC_HAS_FINAL_METHOD ) != 0; }
149 bool is_cloneable_fast () const { return (_flags & JVM_ACC_IS_CLONEABLE_FAST ) != 0; }
150 bool is_shared_class () const { return (_flags & JVM_ACC_IS_SHARED_CLASS ) != 0; }
151
152 // Klass* and Method* flags
153 bool has_localvariable_table () const { return (_flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE) != 0; }
154 void set_has_localvariable_table() { atomic_set_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
155 void clear_has_localvariable_table() { atomic_clear_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
156
157 // field flags
158 bool is_field_access_watched() const { return (_flags & JVM_ACC_FIELD_ACCESS_WATCHED) != 0; }
159 bool is_field_modification_watched() const
160 { return (_flags & JVM_ACC_FIELD_MODIFICATION_WATCHED) != 0; }
161 bool has_field_initialized_final_update() const
162 { return (_flags & JVM_ACC_FIELD_INITIALIZED_FINAL_UPDATE) != 0; }
163 bool on_stack() const { return (_flags & JVM_ACC_ON_STACK) != 0; }
164 bool is_internal() const { return (_flags & JVM_ACC_FIELD_INTERNAL) != 0; }
165 bool is_stable() const { return (_flags & JVM_ACC_FIELD_STABLE) != 0; }
166 bool field_has_generic_signature() const
167 { return (_flags & JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE) != 0; }
168
169 // get .class file flags
170 jint get_flags () const { return (_flags & JVM_ACC_WRITTEN_FLAGS); }
171
203 void set_not_c2_compilable() { atomic_set_bits(JVM_ACC_NOT_C2_COMPILABLE); }
204 void set_not_c2_osr_compilable() { atomic_set_bits(JVM_ACC_NOT_C2_OSR_COMPILABLE); }
205 void set_has_linenumber_table() { atomic_set_bits(JVM_ACC_HAS_LINE_NUMBER_TABLE); }
206 void set_has_checked_exceptions() { atomic_set_bits(JVM_ACC_HAS_CHECKED_EXCEPTIONS); }
207 void set_has_jsrs() { atomic_set_bits(JVM_ACC_HAS_JSRS); }
208 void set_is_old() { atomic_set_bits(JVM_ACC_IS_OLD); }
209 void set_is_obsolete() { atomic_set_bits(JVM_ACC_IS_OBSOLETE); }
210 void set_is_deleted() { atomic_set_bits(JVM_ACC_IS_DELETED); }
211 void set_is_prefixed_native() { atomic_set_bits(JVM_ACC_IS_PREFIXED_NATIVE); }
212
213 void clear_not_c1_compilable() { atomic_clear_bits(JVM_ACC_NOT_C1_COMPILABLE); }
214 void clear_not_c2_compilable() { atomic_clear_bits(JVM_ACC_NOT_C2_COMPILABLE); }
215 void clear_not_c2_osr_compilable() { atomic_clear_bits(JVM_ACC_NOT_C2_OSR_COMPILABLE); }
216 // Klass* flags
217 void set_has_vanilla_constructor() { atomic_set_bits(JVM_ACC_HAS_VANILLA_CONSTRUCTOR); }
218 void set_has_finalizer() { atomic_set_bits(JVM_ACC_HAS_FINALIZER); }
219 void set_has_final_method() { atomic_set_bits(JVM_ACC_HAS_FINAL_METHOD); }
220 void set_is_cloneable_fast() { atomic_set_bits(JVM_ACC_IS_CLONEABLE_FAST); }
221 void set_has_miranda_methods() { atomic_set_bits(JVM_ACC_HAS_MIRANDA_METHODS); }
222 void set_is_shared_class() { atomic_set_bits(JVM_ACC_IS_SHARED_CLASS); }
223
224 public:
225 // field flags
226 void set_is_field_access_watched(const bool value)
227 {
228 if (value) {
229 atomic_set_bits(JVM_ACC_FIELD_ACCESS_WATCHED);
230 } else {
231 atomic_clear_bits(JVM_ACC_FIELD_ACCESS_WATCHED);
232 }
233 }
234 void set_is_field_modification_watched(const bool value)
235 {
236 if (value) {
237 atomic_set_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED);
238 } else {
239 atomic_clear_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED);
240 }
241 }
242
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1 /*
2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
48 JVM_ACC_QUEUED = 0x01000000, // Queued for compilation
49 JVM_ACC_NOT_C2_COMPILABLE = 0x02000000,
50 JVM_ACC_NOT_C1_COMPILABLE = 0x04000000,
51 JVM_ACC_NOT_C2_OSR_COMPILABLE = 0x08000000,
52 JVM_ACC_HAS_LINE_NUMBER_TABLE = 0x00100000,
53 JVM_ACC_HAS_CHECKED_EXCEPTIONS = 0x00400000,
54 JVM_ACC_HAS_JSRS = 0x00800000,
55 JVM_ACC_IS_OLD = 0x00010000, // RedefineClasses() has replaced this method
56 JVM_ACC_IS_OBSOLETE = 0x00020000, // RedefineClasses() has made method obsolete
57 JVM_ACC_IS_PREFIXED_NATIVE = 0x00040000, // JVMTI has prefixed this native method
58 JVM_ACC_ON_STACK = 0x00080000, // RedefineClasses() was used on the stack
59 JVM_ACC_IS_DELETED = 0x00008000, // RedefineClasses() has deleted this method
60
61 // Klass* flags
62 JVM_ACC_HAS_MIRANDA_METHODS = 0x10000000, // True if this class has miranda methods in it's vtable
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 JVM_ACC_IS_SHARED_CLASS = 0x02000000, // True if klass is shared
68 #if INCLUDE_VBC
69 JVM_ACC_IS_VALUE_BASED_CLASS = 0x04000000, // True if klass is "value-based"
70 #endif
71 // Klass* and Method* flags
72 JVM_ACC_HAS_LOCAL_VARIABLE_TABLE= 0x00200000,
73
74 JVM_ACC_PROMOTED_FLAGS = 0x00200000, // flags promoted from methods to the holding klass
75
76 // field flags
77 // Note: these flags must be defined in the low order 16 bits because
78 // InstanceKlass only stores a ushort worth of information from the
79 // AccessFlags value.
80 // These bits must not conflict with any other field-related access flags
81 // (e.g., ACC_ENUM).
82 // Note that the class-related ACC_ANNOTATION bit conflicts with these flags.
83 JVM_ACC_FIELD_ACCESS_WATCHED = 0x00002000, // field access is watched by JVMTI
84 JVM_ACC_FIELD_MODIFICATION_WATCHED = 0x00008000, // field modification is watched by JVMTI
85 JVM_ACC_FIELD_INTERNAL = 0x00000400, // internal field, same as JVM_ACC_ABSTRACT
86 JVM_ACC_FIELD_STABLE = 0x00000020, // @Stable field, same as JVM_ACC_SYNCHRONIZED and JVM_ACC_SUPER
87 JVM_ACC_FIELD_INITIALIZED_FINAL_UPDATE = 0x00000100, // (static) final field updated outside (class) initializer, same as JVM_ACC_NATIVE
88 JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE = 0x00000800, // field has generic signature
89
90 JVM_ACC_FIELD_INTERNAL_FLAGS = JVM_ACC_FIELD_ACCESS_WATCHED |
133 bool loops_flag_init () const { return (_flags & JVM_ACC_LOOPS_FLAG_INIT ) != 0; }
134 bool queued_for_compilation () const { return (_flags & JVM_ACC_QUEUED ) != 0; }
135 bool is_not_c1_compilable () const { return (_flags & JVM_ACC_NOT_C1_COMPILABLE ) != 0; }
136 bool is_not_c2_compilable () const { return (_flags & JVM_ACC_NOT_C2_COMPILABLE ) != 0; }
137 bool is_not_c2_osr_compilable() const { return (_flags & JVM_ACC_NOT_C2_OSR_COMPILABLE ) != 0; }
138 bool has_linenumber_table () const { return (_flags & JVM_ACC_HAS_LINE_NUMBER_TABLE ) != 0; }
139 bool has_checked_exceptions () const { return (_flags & JVM_ACC_HAS_CHECKED_EXCEPTIONS ) != 0; }
140 bool has_jsrs () const { return (_flags & JVM_ACC_HAS_JSRS ) != 0; }
141 bool is_old () const { return (_flags & JVM_ACC_IS_OLD ) != 0; }
142 bool is_obsolete () const { return (_flags & JVM_ACC_IS_OBSOLETE ) != 0; }
143 bool is_deleted () const { return (_flags & JVM_ACC_IS_DELETED ) != 0; }
144 bool is_prefixed_native () const { return (_flags & JVM_ACC_IS_PREFIXED_NATIVE ) != 0; }
145
146 // Klass* flags
147 bool has_miranda_methods () const { return (_flags & JVM_ACC_HAS_MIRANDA_METHODS ) != 0; }
148 bool has_vanilla_constructor () const { return (_flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; }
149 bool has_finalizer () const { return (_flags & JVM_ACC_HAS_FINALIZER ) != 0; }
150 bool has_final_method () const { return (_flags & JVM_ACC_HAS_FINAL_METHOD ) != 0; }
151 bool is_cloneable_fast () const { return (_flags & JVM_ACC_IS_CLONEABLE_FAST ) != 0; }
152 bool is_shared_class () const { return (_flags & JVM_ACC_IS_SHARED_CLASS ) != 0; }
153 #if INCLUDE_VBC
154 bool is_value_based_class () const { return (_flags & JVM_ACC_IS_VALUE_BASED_CLASS ) != 0; }
155 #endif
156 // Klass* and Method* flags
157 bool has_localvariable_table () const { return (_flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE) != 0; }
158 void set_has_localvariable_table() { atomic_set_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
159 void clear_has_localvariable_table() { atomic_clear_bits(JVM_ACC_HAS_LOCAL_VARIABLE_TABLE); }
160
161 // field flags
162 bool is_field_access_watched() const { return (_flags & JVM_ACC_FIELD_ACCESS_WATCHED) != 0; }
163 bool is_field_modification_watched() const
164 { return (_flags & JVM_ACC_FIELD_MODIFICATION_WATCHED) != 0; }
165 bool has_field_initialized_final_update() const
166 { return (_flags & JVM_ACC_FIELD_INITIALIZED_FINAL_UPDATE) != 0; }
167 bool on_stack() const { return (_flags & JVM_ACC_ON_STACK) != 0; }
168 bool is_internal() const { return (_flags & JVM_ACC_FIELD_INTERNAL) != 0; }
169 bool is_stable() const { return (_flags & JVM_ACC_FIELD_STABLE) != 0; }
170 bool field_has_generic_signature() const
171 { return (_flags & JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE) != 0; }
172
173 // get .class file flags
174 jint get_flags () const { return (_flags & JVM_ACC_WRITTEN_FLAGS); }
175
207 void set_not_c2_compilable() { atomic_set_bits(JVM_ACC_NOT_C2_COMPILABLE); }
208 void set_not_c2_osr_compilable() { atomic_set_bits(JVM_ACC_NOT_C2_OSR_COMPILABLE); }
209 void set_has_linenumber_table() { atomic_set_bits(JVM_ACC_HAS_LINE_NUMBER_TABLE); }
210 void set_has_checked_exceptions() { atomic_set_bits(JVM_ACC_HAS_CHECKED_EXCEPTIONS); }
211 void set_has_jsrs() { atomic_set_bits(JVM_ACC_HAS_JSRS); }
212 void set_is_old() { atomic_set_bits(JVM_ACC_IS_OLD); }
213 void set_is_obsolete() { atomic_set_bits(JVM_ACC_IS_OBSOLETE); }
214 void set_is_deleted() { atomic_set_bits(JVM_ACC_IS_DELETED); }
215 void set_is_prefixed_native() { atomic_set_bits(JVM_ACC_IS_PREFIXED_NATIVE); }
216
217 void clear_not_c1_compilable() { atomic_clear_bits(JVM_ACC_NOT_C1_COMPILABLE); }
218 void clear_not_c2_compilable() { atomic_clear_bits(JVM_ACC_NOT_C2_COMPILABLE); }
219 void clear_not_c2_osr_compilable() { atomic_clear_bits(JVM_ACC_NOT_C2_OSR_COMPILABLE); }
220 // Klass* flags
221 void set_has_vanilla_constructor() { atomic_set_bits(JVM_ACC_HAS_VANILLA_CONSTRUCTOR); }
222 void set_has_finalizer() { atomic_set_bits(JVM_ACC_HAS_FINALIZER); }
223 void set_has_final_method() { atomic_set_bits(JVM_ACC_HAS_FINAL_METHOD); }
224 void set_is_cloneable_fast() { atomic_set_bits(JVM_ACC_IS_CLONEABLE_FAST); }
225 void set_has_miranda_methods() { atomic_set_bits(JVM_ACC_HAS_MIRANDA_METHODS); }
226 void set_is_shared_class() { atomic_set_bits(JVM_ACC_IS_SHARED_CLASS); }
227 #if INCLUDE_VBC
228 void set_is_value_based_class() { atomic_set_bits(JVM_ACC_IS_VALUE_BASED_CLASS); }
229 #endif
230
231 public:
232 // field flags
233 void set_is_field_access_watched(const bool value)
234 {
235 if (value) {
236 atomic_set_bits(JVM_ACC_FIELD_ACCESS_WATCHED);
237 } else {
238 atomic_clear_bits(JVM_ACC_FIELD_ACCESS_WATCHED);
239 }
240 }
241 void set_is_field_modification_watched(const bool value)
242 {
243 if (value) {
244 atomic_set_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED);
245 } else {
246 atomic_clear_bits(JVM_ACC_FIELD_MODIFICATION_WATCHED);
247 }
248 }
249
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