Thu, 13 Dec 2012 09:05:20 -0800
Added tag jdk8-b68 for changeset 121aa71316af
stefank@4305 | 1 | /* |
stefank@4305 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
stefank@4305 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
stefank@4305 | 4 | * |
stefank@4305 | 5 | * This code is free software; you can redistribute it and/or modify it |
stefank@4305 | 6 | * under the terms of the GNU General Public License version 2 only, as |
stefank@4305 | 7 | * published by the Free Software Foundation. |
stefank@4305 | 8 | * |
stefank@4305 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
stefank@4305 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
stefank@4305 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
stefank@4305 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
stefank@4305 | 13 | * accompanied this code). |
stefank@4305 | 14 | * |
stefank@4305 | 15 | * You should have received a copy of the GNU General Public License version |
stefank@4305 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
stefank@4305 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
stefank@4305 | 18 | * |
stefank@4305 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
stefank@4305 | 20 | * or visit www.oracle.com if you need additional information or have any |
stefank@4305 | 21 | * questions. |
stefank@4305 | 22 | * |
stefank@4305 | 23 | */ |
stefank@4305 | 24 | |
stefank@4305 | 25 | import jdk.internal.org.objectweb.asm.*; |
stefank@4298 | 26 | |
stefank@4298 | 27 | class Asmator { |
stefank@4298 | 28 | static byte[] fixup(byte[] buf) throws java.io.IOException { |
stefank@4298 | 29 | ClassReader cr = new ClassReader(buf); |
stefank@4305 | 30 | ClassWriter cw = new ClassWriter(0); |
stefank@4305 | 31 | ClassVisitor cv = new ClassVisitor(Opcodes.ASM4, cw) { |
stefank@4298 | 32 | public MethodVisitor visitMethod( |
stefank@4298 | 33 | final int access, |
stefank@4298 | 34 | final String name, |
stefank@4298 | 35 | final String desc, |
stefank@4298 | 36 | final String signature, |
stefank@4298 | 37 | final String[] exceptions) |
stefank@4298 | 38 | { |
stefank@4298 | 39 | MethodVisitor mv = super.visitMethod(access, |
stefank@4298 | 40 | name, |
stefank@4298 | 41 | desc, |
stefank@4298 | 42 | signature, |
stefank@4298 | 43 | exceptions); |
stefank@4298 | 44 | if (mv == null) return null; |
stefank@4298 | 45 | if (name.equals("callme")) { |
stefank@4298 | 46 | // make receiver go dead! |
stefank@4298 | 47 | mv.visitInsn(Opcodes.ACONST_NULL); |
stefank@4298 | 48 | mv.visitVarInsn(Opcodes.ASTORE, 0); |
stefank@4298 | 49 | } |
stefank@4298 | 50 | return mv; |
stefank@4298 | 51 | } |
stefank@4298 | 52 | }; |
stefank@4305 | 53 | cr.accept(cv, 0); |
stefank@4298 | 54 | return cw.toByteArray(); |
stefank@4298 | 55 | } |
stefank@4298 | 56 | } |