| /* |
| * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package jdk.jfr.internal.instrument; |
| |
| import jdk.internal.org.objectweb.asm.Label; |
| import jdk.internal.org.objectweb.asm.Opcodes; |
| import jdk.internal.org.objectweb.asm.Type; |
| import jdk.internal.org.objectweb.asm.commons.LocalVariablesSorter; |
| import jdk.internal.org.objectweb.asm.commons.Remapper; |
| import jdk.internal.org.objectweb.asm.commons.RemappingMethodAdapter; |
| |
| @Deprecated |
| final class JIMethodInliningAdapter extends RemappingMethodAdapter { |
| private final LocalVariablesSorter lvs; |
| private final Label end; |
| |
| public JIMethodInliningAdapter(LocalVariablesSorter mv, Label end, int acc, String desc, Remapper remapper) { |
| super(acc, desc, mv, remapper); |
| this.lvs = mv; |
| this.end = end; |
| int offset = isStatic(acc) ? 0 : 1; |
| Type[] args = Type.getArgumentTypes(desc); |
| for (int i = args.length - 1; i >= 0; i--) { |
| super.visitVarInsn(args[i].getOpcode(Opcodes.ISTORE), i + offset); |
| } |
| if (offset > 0) { |
| super.visitVarInsn(Opcodes.ASTORE, 0); |
| } |
| } |
| |
| private boolean isStatic(int acc) { |
| return (acc & Opcodes.ACC_STATIC) != 0; |
| } |
| |
| @Override |
| public void visitInsn(int opcode) { |
| if (opcode == Opcodes.RETURN || opcode == Opcodes.IRETURN |
| || opcode == Opcodes.ARETURN || opcode == Opcodes.LRETURN) { |
| super.visitJumpInsn(Opcodes.GOTO, end); |
| } else { |
| super.visitInsn(opcode); |
| } |
| } |
| |
| @Override |
| public void visitMaxs(int stack, int locals) { |
| } |
| |
| @Override |
| protected int newLocalMapping(Type type) { |
| return lvs.newLocal(type); |
| } |
| } |