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 */
23 package jdk.vm.ci.code.stack;
24
25 import jdk.vm.ci.meta.ResolvedJavaMethod;
26
27 public interface InspectedFrame {
28
29 /**
30 * Returns the value of the local at the given index. Currently only works for object values.
31 * This value is a copy iff {@link #isVirtual(int)} is true.
32 */
33 Object getLocal(int index);
34
35 /**
36 * Returns whether the local at the given index is a virtual object, and therefore the object
37 * returned by {@link #getLocal(int)} is a copy.
38 */
39 boolean isVirtual(int index);
40
41 /**
42 * Returns true if the stack frame is a compiled stack frame and there are virtual objects
43 * anywhere in the current state of the compiled method. This can return true even if
44 * {@link #isVirtual(int)} return false for all locals.
45 */
46 boolean hasVirtualObjects();
47
48 /**
49 * This method will materialize all virtual objects, deoptimize the stack frame and make sure
50 * that subsequent execution of the deoptimized frame uses the materialized values.
51 */
52 void materializeVirtualObjects(boolean invalidateCode);
53
54 /**
55 * @return the current bytecode index
56 */
|
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 */
23 package jdk.vm.ci.code.stack;
24
25 import jdk.vm.ci.meta.ResolvedJavaMethod;
26
27 /**
28 * Access to the object variables in a stack frame.
29 */
30 public interface InspectedFrame {
31
32 /**
33 * Returns the value of the object local at {@code index}. This value is a copy iff
34 * {@link #isVirtual(int)} is true.
35 */
36 Object getLocal(int index);
37
38 /**
39 * Returns whether the local at {@code index} is a virtual object, and therefore the object
40 * returned by {@link #getLocal(int)} is a copy.
41 */
42 boolean isVirtual(int index);
43
44 /**
45 * Returns true if the stack frame is a compiled stack frame and there are virtual objects
46 * anywhere in the current state of the compiled method. This can return true even if
47 * {@link #isVirtual(int)} return false for all locals.
48 */
49 boolean hasVirtualObjects();
50
51 /**
52 * This method will materialize all virtual objects, deoptimize the stack frame and make sure
53 * that subsequent execution of the deoptimized frame uses the materialized values.
54 */
55 void materializeVirtualObjects(boolean invalidateCode);
56
57 /**
58 * @return the current bytecode index
59 */
|