Mercurial > hg > graal-compiler
view graal/GraalCompiler/src/com/sun/c1x/debug/CFGPrinterObserver.java @ 2516:a384fac3fd34
Removed anything OSR-related.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 15:49:27 +0200 |
parents | 16b9a8b5ad39 |
children | bda5972a40a5 |
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/* * Copyright (c) 2011, 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.sun.c1x.debug; import java.io.*; import com.sun.c1x.*; import com.sun.c1x.observer.*; import com.sun.cri.ri.*; /** * Observes compilation events and uses {@link CFGPrinter} to produce a control flow graph for the <a * href="https://c1visualizer.dev.java.net/">C1 Visualizer</a>. * * @author Peter Hofer */ public class CFGPrinterObserver implements CompilationObserver { private C1XCompilation currentCompilation; private CFGPrinter cfgPrinter; private ByteArrayOutputStream buffer = null; public CFGPrinterObserver() { } @Override public void compilationStarted(CompilationEvent event) { // Supports only one compilation at the same time assert currentCompilation == null; currentCompilation = event.getCompilation(); if (buffer == null) { buffer = new ByteArrayOutputStream(); } cfgPrinter = new CFGPrinter(buffer, currentCompilation.target); cfgPrinter.printCompilation(currentCompilation.method); } @Override public void compilationEvent(CompilationEvent event) { assert currentCompilation == event.getCompilation(); String label = event.getLabel(); if (event.getAllocator() != null && event.getIntervals() != null) { cfgPrinter.printIntervals(event.getAllocator(), event.getIntervals(), label); } boolean cfgprinted = false; if (event.getBlockMap() != null && event.getCodeSize() >= 0) { cfgPrinter.printCFG(event.getMethod(), event.getBlockMap(), event.getCodeSize(), label, event.isHIRValid(), event.isLIRValid()); cfgprinted = true; } if (event.getStartBlock() != null) { cfgPrinter.printCFG(event.getStartBlock(), label, event.isHIRValid(), event.isLIRValid()); cfgprinted = true; } if (event.getTargetMethod() != null) { if (cfgprinted) { // Avoid duplicate "cfg" section label = null; } RiRuntime runtime = event.getCompilation().runtime; cfgPrinter.printMachineCode(runtime.disassemble(event.getTargetMethod()), label); } } @Override public void compilationFinished(CompilationEvent event) { assert currentCompilation == event.getCompilation(); cfgPrinter.flush(); OutputStream cfgFileStream = CFGPrinter.cfgFileStream(); if (cfgFileStream != null) { synchronized (cfgFileStream) { try { cfgFileStream.write(buffer.toByteArray()); } catch (IOException e) { TTY.println("WARNING: Error writing CFGPrinter output for %s to disk: %s", event.getMethod(), e); } } } buffer.reset(); cfgPrinter = null; currentCompilation = null; } }