/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
// AccessFlags is an abstraction over Java access flags.
enum {
// See jvm.h for shared JVM_ACC_XXX access flags
// HotSpot-specific access flags
// flags actually put in .class file
// methodOop flags
JVM_ACC_MONITOR_MATCH = 0x10000000, // True if we know that monitorenter/monitorexit bytecodes match
// klassOop flags
// klassOop and methodOop flags
// field flags
// Note: these flags must be defined in the low order 16 bits because
// instanceKlass only stores a ushort worth of information from the
// AccessFlags value.
// These bits must not conflict with any other field-related access flags
// (e.g., ACC_ENUM).
// Note that the class-related ACC_ANNOTATION bit conflicts with these flags.
// flags accepted by set_field_flags()
};
friend class VMStructs;
private:
public:
// Java access flags
// Attribute flags
// methodOop flags
// klassOop flags
// klassOop and methodOop flags
// field flags
bool is_field_modification_watched() const
{ return (_flags & JVM_ACC_FIELD_MODIFICATION_WATCHED) != 0; }
bool field_has_generic_signature() const
{ return (_flags & JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE) != 0; }
// get .class file flags
// Initialization
}
// Atomic update of flags
private:
friend class methodOopDesc;
friend class Klass;
friend class ClassFileParser;
// the functions below should only be called on the _access_flags inst var directly,
// otherwise they are just changing a copy of the flags
// attribute flags
// methodOop flags
// klassOop flags
public:
// field flags
{
if (value) {
} else {
}
}
{
if (value) {
} else {
}
}
{
}
// Conversion
};
return af;
}
#endif // SHARE_VM_UTILITIES_ACCESSFLAGS_HPP