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 */
23
24 package compiler.calls.common;
25
26 import java.io.FileInputStream;
27 import java.io.IOException;
28 import java.lang.invoke.CallSite;
29 import java.lang.invoke.MethodHandles;
30 import java.lang.invoke.MethodType;
31 import java.net.URISyntaxException;
32 import java.nio.file.Files;
33 import java.nio.file.Path;
34 import java.nio.file.Paths;
35 import java.nio.file.StandardOpenOption;
36 import jdk.internal.org.objectweb.asm.ClassReader;
37 import jdk.internal.org.objectweb.asm.ClassVisitor;
38 import jdk.internal.org.objectweb.asm.ClassWriter;
39 import jdk.internal.org.objectweb.asm.Handle;
40 import jdk.internal.org.objectweb.asm.Label;
41 import jdk.internal.org.objectweb.asm.MethodVisitor;
42 import jdk.internal.org.objectweb.asm.Opcodes;
43
44 /**
45 * A class which patch InvokeDynamic class bytecode with invokydynamic
46 instruction, rewriting "caller" method to call "callee" method using
47 invokedynamic
48 */
49 public class InvokeDynamicPatcher extends ClassVisitor {
50
51 private static final String CLASS = InvokeDynamic.class.getName()
52 .replace('.', '/');
53 private static final String CALLER_METHOD_NAME = "caller";
54 private static final String CALLEE_METHOD_NAME = "callee";
55 private static final String NATIVE_CALLEE_METHOD_NAME = "calleeNative";
56 private static final String BOOTSTRAP_METHOD_NAME = "bootstrapMethod";
57 private static final String CALL_NATIVE_FIELD = "nativeCallee";
58 private static final String CALL_NATIVE_FIELD_DESC = "Z";
59 private static final String CALLEE_METHOD_DESC
60 = "(L" + CLASS + ";IJFDLjava/lang/String;)Z";
61 private static final String ASSERTTRUE_METHOD_DESC
62 = "(ZLjava/lang/String;)V";
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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 */
23
24 package compiler.calls.common;
25
26 import jdk.internal.org.objectweb.asm.ClassReader;
27 import jdk.internal.org.objectweb.asm.ClassVisitor;
28 import jdk.internal.org.objectweb.asm.ClassWriter;
29 import jdk.internal.org.objectweb.asm.Handle;
30 import jdk.internal.org.objectweb.asm.Label;
31 import jdk.internal.org.objectweb.asm.MethodVisitor;
32 import jdk.internal.org.objectweb.asm.Opcodes;
33
34 import java.io.FileInputStream;
35 import java.io.IOException;
36 import java.lang.invoke.CallSite;
37 import java.lang.invoke.MethodHandles;
38 import java.lang.invoke.MethodType;
39 import java.net.URISyntaxException;
40 import java.nio.file.Files;
41 import java.nio.file.Path;
42 import java.nio.file.Paths;
43 import java.nio.file.StandardOpenOption;
44
45 /**
46 * A class which patch InvokeDynamic class bytecode with invokydynamic
47 instruction, rewriting "caller" method to call "callee" method using
48 invokedynamic
49 */
50 public class InvokeDynamicPatcher extends ClassVisitor {
51
52 private static final String CLASS = InvokeDynamic.class.getName()
53 .replace('.', '/');
54 private static final String CALLER_METHOD_NAME = "caller";
55 private static final String CALLEE_METHOD_NAME = "callee";
56 private static final String NATIVE_CALLEE_METHOD_NAME = "calleeNative";
57 private static final String BOOTSTRAP_METHOD_NAME = "bootstrapMethod";
58 private static final String CALL_NATIVE_FIELD = "nativeCallee";
59 private static final String CALL_NATIVE_FIELD_DESC = "Z";
60 private static final String CALLEE_METHOD_DESC
61 = "(L" + CLASS + ";IJFDLjava/lang/String;)Z";
62 private static final String ASSERTTRUE_METHOD_DESC
63 = "(ZLjava/lang/String;)V";
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