1 /* 2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 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 25 package org.graalvm.compiler.lir.gen; 26 27 import org.graalvm.compiler.lir.LIRInstruction; 28 import org.graalvm.compiler.lir.StandardOp.SaveRegistersOp; 29 import jdk.vm.ci.code.Register; 30 import jdk.vm.ci.code.RegisterConfig; 31 import jdk.vm.ci.code.StackSlot; 32 import jdk.vm.ci.meta.JavaConstant; 33 import jdk.vm.ci.meta.Value; 34 35 public interface DiagnosticLIRGeneratorTool { 36 LIRInstruction createBenchmarkCounter(String name, String group, Value increment); 37 38 LIRInstruction createMultiBenchmarkCounter(String[] names, String[] groups, Value[] increments); 39 40 /** 41 * Creates a {@link SaveRegistersOp} that fills a given set of registers with known garbage 42 * value. 43 * 44 * The set of registers actually touched might be {@link SaveRegistersOp#remove reduced} later. 45 * 46 * @param zappedRegisters registers to be zapped 47 * @param zapValues values used for zapping 48 * 49 * @see DiagnosticLIRGeneratorTool#createZapRegisters() 50 */ 51 SaveRegistersOp createZapRegisters(Register[] zappedRegisters, JavaConstant[] zapValues); 52 53 /** 54 * Creates a {@link SaveRegistersOp} that fills all 55 * {@link RegisterConfig#getAllocatableRegisters() allocatable registers} with a 56 * {@link LIRGenerator#zapValueForKind known garbage value}. 57 * 58 * The set of registers actually touched might be {@link SaveRegistersOp#remove reduced} later. 59 * 60 * @see DiagnosticLIRGeneratorTool#createZapRegisters(Register[], JavaConstant[]) 61 */ 62 SaveRegistersOp createZapRegisters(); 63 64 /** 65 * Marker interface for {@link LIRInstruction instructions} that should be succeeded with a 66 * {@link DiagnosticLIRGeneratorTool#createZapRegisters() ZapRegisterOp} if assertions are 67 * enabled. 68 */ 69 interface ZapRegistersAfterInstruction { 70 } 71 72 /** 73 * Marker interface for {@link LIRInstruction instructions} that should be preceded with a 74 * {@link DiagnosticLIRGeneratorTool#zapArgumentSpace ZapArgumentSpaceOp} if assertions are 75 * enabled. 76 */ 77 interface ZapStackArgumentSpaceBeforeInstruction { 78 } 79 80 LIRInstruction createZapArgumentSpace(StackSlot[] zappedStack, JavaConstant[] zapValues); 81 82 LIRInstruction zapArgumentSpace(); 83 }