Mercurial > hg > graal-compiler
view graal/com.oracle.graal.code/src/com/oracle/graal/code/HexCodeFileDisassemblerProvider.java @ 23188:f59bbe75e773
TraceRA: add TraceRAreuseStackSlotsForMoveResolutionCycleBreaking optimization.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Tue, 15 Dec 2015 18:28:51 +0100 |
parents | 089d48dfe8ce |
children | 56359eb3abfa |
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/* * Copyright (c) 2013, 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 com.oracle.graal.code; import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; import java.util.Arrays; import jdk.vm.ci.code.CodeCacheProvider; import jdk.vm.ci.code.CodeUtil; import jdk.vm.ci.code.CodeUtil.DefaultRefMapFormatter; import jdk.vm.ci.code.CodeUtil.RefMapFormatter; import jdk.vm.ci.code.CompilationResult; import jdk.vm.ci.code.CompilationResult.Call; import jdk.vm.ci.code.CompilationResult.DataPatch; import jdk.vm.ci.code.CompilationResult.Infopoint; import jdk.vm.ci.code.CompilationResult.Mark; import jdk.vm.ci.code.InstalledCode; import jdk.vm.ci.code.Register; import jdk.vm.ci.code.RegisterConfig; import jdk.vm.ci.code.TargetDescription; import jdk.vm.ci.service.ServiceProvider; /** * {@link HexCodeFile} based implementation of {@link DisassemblerProvider}. */ @ServiceProvider(DisassemblerProvider.class) public class HexCodeFileDisassemblerProvider implements DisassemblerProvider { @Override public String disassembleCompiledCode(CodeCacheProvider codeCache, CompilationResult compResult) { assert compResult != null; return disassemble(codeCache, compResult, null); } public String getName() { return "hcf"; } @Override public String disassembleInstalledCode(CodeCacheProvider codeCache, CompilationResult compResult, InstalledCode installedCode) { assert installedCode != null; return installedCode.isValid() ? disassemble(codeCache, compResult, installedCode) : null; } private static String disassemble(CodeCacheProvider codeCache, CompilationResult compResult, InstalledCode installedCode) { TargetDescription target = codeCache.getTarget(); RegisterConfig regConfig = codeCache.getRegisterConfig(); byte[] code = installedCode == null ? Arrays.copyOf(compResult.getTargetCode(), compResult.getTargetCodeSize()) : installedCode.getCode(); if (code == null) { // Method was deoptimized/invalidated return ""; } long start = installedCode == null ? 0L : installedCode.getStart(); HexCodeFile hcf = new HexCodeFile(code, start, target.arch.getName(), target.wordSize * 8); if (compResult != null) { HexCodeFile.addAnnotations(hcf, compResult.getAnnotations()); addExceptionHandlersComment(compResult, hcf); Register fp = regConfig.getFrameRegister(); RefMapFormatter slotFormatter = new DefaultRefMapFormatter(target.wordSize, fp, 0); for (Infopoint infopoint : compResult.getInfopoints()) { if (infopoint instanceof Call) { Call call = (Call) infopoint; if (call.debugInfo != null) { hcf.addComment(call.pcOffset + call.size, CodeUtil.append(new StringBuilder(100), call.debugInfo, slotFormatter).toString()); } addOperandComment(hcf, call.pcOffset, "{" + codeCache.getTargetName(call) + "}"); } else { if (infopoint.debugInfo != null) { hcf.addComment(infopoint.pcOffset, CodeUtil.append(new StringBuilder(100), infopoint.debugInfo, slotFormatter).toString()); } addOperandComment(hcf, infopoint.pcOffset, "{infopoint: " + infopoint.reason + "}"); } } for (DataPatch site : compResult.getDataPatches()) { hcf.addOperandComment(site.pcOffset, "{" + site.reference.toString() + "}"); } for (Mark mark : compResult.getMarks()) { hcf.addComment(mark.pcOffset, codeCache.getMarkName(mark)); } } String hcfEmbeddedString = hcf.toEmbeddedString(); return HexCodeFileDisTool.tryDisassemble(hcfEmbeddedString); } private static void addExceptionHandlersComment(CompilationResult compResult, HexCodeFile hcf) { if (!compResult.getExceptionHandlers().isEmpty()) { String nl = HexCodeFile.NEW_LINE; StringBuilder buf = new StringBuilder("------ Exception Handlers ------").append(nl); for (CompilationResult.ExceptionHandler e : compResult.getExceptionHandlers()) { buf.append(" ").append(e.pcOffset).append(" -> ").append(e.handlerPos).append(nl); hcf.addComment(e.pcOffset, "[exception -> " + e.handlerPos + "]"); hcf.addComment(e.handlerPos, "[exception handler for " + e.pcOffset + "]"); } hcf.addComment(0, buf.toString()); } } private static void addOperandComment(HexCodeFile hcf, int pos, String comment) { hcf.addOperandComment(pos, comment); } /** * Interface to the tool for disassembling an {@link HexCodeFile#toEmbeddedString() embedded} * {@link HexCodeFile}. */ static class HexCodeFileDisTool { static final MethodHandle processMethod; static { MethodHandle toolMethod = null; try { Class<?> toolClass = Class.forName("com.oracle.max.hcfdis.HexCodeFileDis", true, ClassLoader.getSystemClassLoader()); toolMethod = MethodHandles.lookup().unreflect(toolClass.getDeclaredMethod("processEmbeddedString", String.class)); } catch (Exception e) { // Tool not available on the class path } processMethod = toolMethod; } public static String tryDisassemble(String hcfEmbeddedString) { if (processMethod != null) { try { return (String) processMethod.invokeExact(hcfEmbeddedString); } catch (Throwable e) { // If the tool is available, for now let's be noisy when it fails throw new InternalError(e); } } return hcfEmbeddedString; } } }