| /* |
| * Copyright (c) 2011, 2015, 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. |
| * |
| * 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 org.graalvm.compiler.printer; |
| |
| import java.io.Closeable; |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.graalvm.compiler.debug.LogStream; |
| import org.graalvm.compiler.debug.TTY; |
| import org.graalvm.compiler.lir.util.IndexedValueMap; |
| |
| import jdk.vm.ci.code.BytecodeFrame; |
| import jdk.vm.ci.code.BytecodePosition; |
| import jdk.vm.ci.code.ReferenceMap; |
| import jdk.vm.ci.code.Register; |
| import jdk.vm.ci.code.RegisterSaveLayout; |
| import jdk.vm.ci.code.VirtualObject; |
| import jdk.vm.ci.meta.JavaMethod; |
| import jdk.vm.ci.meta.JavaValue; |
| import jdk.vm.ci.meta.MetaUtil; |
| |
| /** |
| * Utility for printing compilation related data structures at various compilation phases. The |
| * output format is such that it can then be fed to the |
| * <a href="https://c1visualizer.dev.java.net/">C1 Visualizer</a>. |
| */ |
| public class CompilationPrinter implements Closeable { |
| |
| public static final String COLUMN_END = " <|@"; |
| public static final String HOVER_START = "<@"; |
| public static final String HOVER_SEP = "|@"; |
| public static final String HOVER_END = ">@"; |
| |
| private static OutputStream globalOut; |
| |
| /** |
| * Gets a global output stream on a file in the current working directory. This stream is first |
| * opened if necessary. The name of the file is |
| * {@code "compilations-" + System.currentTimeMillis() + ".cfg"}. |
| * |
| * @return the global output stream or {@code null} if there was an error opening the file for |
| * writing |
| */ |
| public static synchronized OutputStream globalOut() { |
| if (globalOut == null) { |
| File file = new File("compilations-" + System.currentTimeMillis() + ".cfg"); |
| try { |
| globalOut = new FileOutputStream(file); |
| } catch (FileNotFoundException e) { |
| TTY.println("WARNING: Could not open " + file.getAbsolutePath()); |
| } |
| } |
| return globalOut; |
| } |
| |
| protected final LogStream out; |
| |
| /** |
| * Creates a control flow graph printer. |
| * |
| * @param os where the output generated via this printer will be sent |
| */ |
| public CompilationPrinter(OutputStream os) { |
| out = new LogStream(os); |
| } |
| |
| /** |
| * Flushes all buffered output to the underlying output stream. |
| */ |
| public void flush() { |
| out.flush(); |
| } |
| |
| @Override |
| public void close() { |
| out.out().close(); |
| } |
| |
| protected void begin(String string) { |
| out.println("begin_" + string); |
| out.adjustIndentation(2); |
| } |
| |
| protected void end(String string) { |
| out.adjustIndentation(-2); |
| out.println("end_" + string); |
| } |
| |
| /** |
| * Prints a compilation timestamp for a given method. |
| * |
| * @param method the method for which a timestamp will be printed |
| */ |
| public void printCompilation(JavaMethod method) { |
| begin("compilation"); |
| out.print("name \" ").print(method.format("%H::%n")).println('"'); |
| out.print("method \"").print(method.format("%f %r %H.%n(%p)")).println('"'); |
| out.print("date ").println(System.currentTimeMillis()); |
| end("compilation"); |
| } |
| |
| /** |
| * Formats given debug info as a multi line string. |
| */ |
| protected String debugInfoToString(BytecodePosition codePos, ReferenceMap refMap, IndexedValueMap liveBasePointers, RegisterSaveLayout calleeSaveInfo) { |
| StringBuilder sb = new StringBuilder(); |
| if (refMap != null) { |
| sb.append("reference-map: "); |
| sb.append(refMap.toString()); |
| sb.append("\n"); |
| } |
| if (liveBasePointers != null) { |
| sb.append("live-base-pointers: "); |
| sb.append(liveBasePointers); |
| sb.append("\n"); |
| } |
| |
| if (calleeSaveInfo != null) { |
| sb.append("callee-save-info:"); |
| for (Map.Entry<Register, Integer> e : calleeSaveInfo.registersToSlots(true).entrySet()) { |
| sb.append(" " + e.getKey() + " -> s" + e.getValue()); |
| } |
| sb.append("\n"); |
| } |
| |
| if (codePos != null) { |
| BytecodePosition curCodePos = codePos; |
| List<VirtualObject> virtualObjects = new ArrayList<>(); |
| do { |
| sb.append(MetaUtil.toLocation(curCodePos.getMethod(), curCodePos.getBCI())); |
| sb.append('\n'); |
| if (curCodePos instanceof BytecodeFrame) { |
| BytecodeFrame frame = (BytecodeFrame) curCodePos; |
| if (frame.numStack > 0) { |
| sb.append("stack: "); |
| for (int i = 0; i < frame.numStack; i++) { |
| sb.append(valueToString(frame.getStackValue(i), virtualObjects)).append(' '); |
| } |
| sb.append("\n"); |
| } |
| sb.append("locals: "); |
| for (int i = 0; i < frame.numLocals; i++) { |
| sb.append(valueToString(frame.getLocalValue(i), virtualObjects)).append(' '); |
| } |
| sb.append("\n"); |
| if (frame.numLocks > 0) { |
| sb.append("locks: "); |
| for (int i = 0; i < frame.numLocks; ++i) { |
| sb.append(valueToString(frame.getLockValue(i), virtualObjects)).append(' '); |
| } |
| sb.append("\n"); |
| } |
| |
| } |
| curCodePos = curCodePos.getCaller(); |
| } while (curCodePos != null); |
| |
| for (int i = 0; i < virtualObjects.size(); i++) { |
| VirtualObject obj = virtualObjects.get(i); |
| sb.append(obj).append(" ").append(obj.getType().getName()).append(" "); |
| for (int j = 0; j < obj.getValues().length; j++) { |
| sb.append(valueToString(obj.getValues()[j], virtualObjects)).append(' '); |
| } |
| sb.append("\n"); |
| |
| } |
| } |
| return sb.toString(); |
| } |
| |
| protected String valueToString(JavaValue value, List<VirtualObject> virtualObjects) { |
| if (value == null) { |
| return "-"; |
| } |
| if (value instanceof VirtualObject && !virtualObjects.contains(value)) { |
| virtualObjects.add((VirtualObject) value); |
| } |
| return value.toString(); |
| } |
| |
| public void printMachineCode(String code, String label) { |
| if (code == null || code.length() == 0) { |
| return; |
| } |
| if (label != null) { |
| begin("cfg"); |
| out.print("name \"").print(label).println('"'); |
| end("cfg"); |
| } |
| begin("nmethod"); |
| out.print(code); |
| out.println(" <|@"); |
| end("nmethod"); |
| } |
| |
| public void printBytecodes(String code) { |
| if (code == null || code.length() == 0) { |
| return; |
| } |
| begin("bytecodes"); |
| out.print(code); |
| out.println(" <|@"); |
| end("bytecodes"); |
| } |
| } |