Mercurial > hg > truffle
view graal/com.oracle.max.criutils/src/com/oracle/max/criutils/CompilationPrinter.java @ 5563:6a2671066204
added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
added Word type and WordTypeRewriterPhase to support programming against machine word values in snippets without duplicating the code for 32 and 64 bit platforms
added GraphUtil.approxSourceLocation() utility method for getting an approximate source code location for a node
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Mon, 11 Jun 2012 15:39:57 +0200 |
parents | 69a8969dbf40 |
children | 4d7175cf3526 |
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/* * Copyright (c) 2011, 2012, 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 com.oracle.max.criutils; import static com.oracle.graal.api.code.ValueUtil.*; import java.io.*; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; /** * 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 { 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(); } 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(CodeUtil.format("%H::%n", method)).println('"'); out.print("method \"").print(CodeUtil.format("%f %r %H.%n(%p)", method)).println('"'); out.print("date ").println(System.currentTimeMillis()); end("compilation"); } /** * Formats a given {@linkplain FrameState JVM frame state} as a multi line string. */ protected String debugInfoToString(BytecodePosition codePos, BitSet registerRefMap, BitSet frameRefMap, Architecture arch) { StringBuilder sb = new StringBuilder(); if (registerRefMap != null) { sb.append("reg-ref-map:"); for (int reg = registerRefMap.nextSetBit(0); reg >= 0; reg = registerRefMap.nextSetBit(reg + 1)) { sb.append(' ').append(arch == null ? "r" + reg : arch.registers[reg]); } sb.append("\n"); } if (frameRefMap != null) { sb.append("frame-ref-map:"); for (int reg = frameRefMap.nextSetBit(0); reg >= 0; reg = frameRefMap.nextSetBit(reg + 1)) { sb.append(' ').append("s").append(reg); } sb.append("\n"); } if (codePos != null) { BytecodePosition curCodePos = codePos; List<VirtualObject> virtualObjects = new ArrayList<>(); do { sb.append(CodeUtil.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.type().name()).append(" "); for (int j = 0; j < obj.values().length; j++) { sb.append(valueToString(obj.values()[j], virtualObjects)).append(' '); } sb.append("\n"); } } return sb.toString(); } protected String valueToString(Value value, List<VirtualObject> virtualObjects) { if (value == null) { return "-"; } if (isVirtualObject(value) && !virtualObjects.contains(asVirtualObject(value))) { virtualObjects.add(asVirtualObject(value)); } return value.toString(); } public void printMachineCode(String code, String label) { if (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.length() == 0) { return; } begin("bytecodes"); out.print(code); out.println(" <|@"); end("bytecodes"); } }