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 *
23 */
24
25 #ifndef SHARE_VM_CI_CIOBJECT_HPP
26 #define SHARE_VM_CI_CIOBJECT_HPP
27
28 #include "ci/ciBaseObject.hpp"
29 #include "ci/ciClassList.hpp"
30 #include "memory/allocation.hpp"
31 #include "runtime/handles.hpp"
32 #include "runtime/jniHandles.hpp"
33
34 // ciObject
35 //
36 // This class represents an oop in the HotSpot virtual machine.
37 // Its subclasses are structured in a hierarchy which mirrors
38 // an aggregate of the VM's oop and klass hierarchies (see
39 // oopHierarchy.hpp). Each instance of ciObject holds a handle
40 // to a corresponding oop on the VM side and provides routines
41 // for accessing the information in its oop. By using the ciObject
42 // hierarchy for accessing oops in the VM, the compiler ensures
43 // that it is safe with respect to garbage collection; that is,
44 // GC and compilation can proceed independently without
45 // interference.
46 //
47 // Within the VM, the oop and klass hierarchies are separate.
48 // The compiler interface does not preserve this separation --
49 // the distinction between `Klass*' and `Klass' are not
50 // reflected in the interface and instead the Klass hierarchy
|
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 *
23 */
24
25 #ifndef SHARE_VM_CI_CIOBJECT_HPP
26 #define SHARE_VM_CI_CIOBJECT_HPP
27
28 #include "ci/ciBaseObject.hpp"
29 #include "ci/ciClassList.hpp"
30 #include "runtime/handles.hpp"
31 #include "runtime/jniHandles.hpp"
32
33 // ciObject
34 //
35 // This class represents an oop in the HotSpot virtual machine.
36 // Its subclasses are structured in a hierarchy which mirrors
37 // an aggregate of the VM's oop and klass hierarchies (see
38 // oopHierarchy.hpp). Each instance of ciObject holds a handle
39 // to a corresponding oop on the VM side and provides routines
40 // for accessing the information in its oop. By using the ciObject
41 // hierarchy for accessing oops in the VM, the compiler ensures
42 // that it is safe with respect to garbage collection; that is,
43 // GC and compilation can proceed independently without
44 // interference.
45 //
46 // Within the VM, the oop and klass hierarchies are separate.
47 // The compiler interface does not preserve this separation --
48 // the distinction between `Klass*' and `Klass' are not
49 // reflected in the interface and instead the Klass hierarchy
|