| /* |
| * Copyright (c) 2013, 2016, 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 jdk.vm.ci.hotspot; |
| |
| import java.util.Map; |
| |
| import jdk.vm.ci.code.BailoutException; |
| import jdk.vm.ci.code.BytecodeFrame; |
| import jdk.vm.ci.code.CodeCacheProvider; |
| import jdk.vm.ci.code.CompiledCode; |
| import jdk.vm.ci.code.InstalledCode; |
| import jdk.vm.ci.code.RegisterConfig; |
| import jdk.vm.ci.code.TargetDescription; |
| import jdk.vm.ci.code.site.Call; |
| import jdk.vm.ci.code.site.Mark; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import jdk.vm.ci.meta.SpeculationLog; |
| |
| /** |
| * HotSpot implementation of {@link CodeCacheProvider}. |
| */ |
| public class HotSpotCodeCacheProvider implements CodeCacheProvider { |
| |
| protected final HotSpotJVMCIRuntimeProvider runtime; |
| protected final HotSpotVMConfig config; |
| protected final TargetDescription target; |
| protected final RegisterConfig regConfig; |
| |
| public HotSpotCodeCacheProvider(HotSpotJVMCIRuntimeProvider runtime, HotSpotVMConfig config, TargetDescription target, RegisterConfig regConfig) { |
| this.runtime = runtime; |
| this.config = config; |
| this.target = target; |
| this.regConfig = regConfig; |
| } |
| |
| @Override |
| public String getMarkName(Mark mark) { |
| int markId = (int) mark.id; |
| HotSpotVMConfigStore store = runtime.getConfigStore(); |
| for (Map.Entry<String, Long> e : store.getConstants().entrySet()) { |
| String name = e.getKey(); |
| if (name.startsWith("MARKID_") && e.getValue() == markId) { |
| return name; |
| } |
| } |
| return CodeCacheProvider.super.getMarkName(mark); |
| } |
| |
| /** |
| * Decodes a call target to a mnemonic if possible. |
| */ |
| @Override |
| public String getTargetName(Call call) { |
| if (call.target instanceof HotSpotForeignCallTarget) { |
| long address = ((HotSpotForeignCallTarget) call.target).address; |
| HotSpotVMConfigStore store = runtime.getConfigStore(); |
| for (Map.Entry<String, VMField> e : store.getFields().entrySet()) { |
| VMField field = e.getValue(); |
| if (field.isStatic() && field.value != null && field.value instanceof Long && ((Long) field.value) == address) { |
| return e.getValue() + ":0x" + Long.toHexString(address); |
| } |
| } |
| } |
| return CodeCacheProvider.super.getTargetName(call); |
| } |
| |
| @Override |
| public RegisterConfig getRegisterConfig() { |
| return regConfig; |
| } |
| |
| @Override |
| public int getMinimumOutgoingSize() { |
| return runtime.getConfig().runtimeCallStackSize; |
| } |
| |
| private InstalledCode logOrDump(InstalledCode installedCode, CompiledCode compiledCode) { |
| ((HotSpotJVMCIRuntime) runtime).notifyInstall(this, installedCode, compiledCode); |
| return installedCode; |
| } |
| |
| public InstalledCode installCode(ResolvedJavaMethod method, CompiledCode compiledCode, InstalledCode installedCode, SpeculationLog log, boolean isDefault) { |
| InstalledCode resultInstalledCode; |
| if (installedCode == null) { |
| if (method == null) { |
| // Must be a stub |
| resultInstalledCode = new HotSpotRuntimeStub(((HotSpotCompiledCode) compiledCode).getName()); |
| } else { |
| resultInstalledCode = new HotSpotNmethod((HotSpotResolvedJavaMethod) method, ((HotSpotCompiledCode) compiledCode).getName(), isDefault); |
| } |
| } else { |
| resultInstalledCode = installedCode; |
| } |
| |
| HotSpotSpeculationLog speculationLog = (log != null && log.hasSpeculations()) ? (HotSpotSpeculationLog) log : null; |
| |
| int result = runtime.getCompilerToVM().installCode(target, (HotSpotCompiledCode) compiledCode, resultInstalledCode, speculationLog); |
| if (result != config.codeInstallResultOk) { |
| String resultDesc = config.getCodeInstallResultDescription(result); |
| if (compiledCode instanceof HotSpotCompiledNmethod) { |
| HotSpotCompiledNmethod compiledNmethod = (HotSpotCompiledNmethod) compiledCode; |
| String msg = compiledNmethod.getInstallationFailureMessage(); |
| if (msg != null) { |
| msg = String.format("Code installation failed: %s%n%s", resultDesc, msg); |
| } else { |
| msg = String.format("Code installation failed: %s", resultDesc); |
| } |
| if (result == config.codeInstallResultDependenciesInvalid) { |
| throw new AssertionError(resultDesc + " " + msg); |
| } |
| throw new BailoutException(result != config.codeInstallResultDependenciesFailed, msg); |
| } else { |
| throw new BailoutException("Error installing %s: %s", ((HotSpotCompiledCode) compiledCode).getName(), resultDesc); |
| } |
| } |
| return logOrDump(resultInstalledCode, compiledCode); |
| } |
| |
| public void invalidateInstalledCode(InstalledCode installedCode) { |
| runtime.getCompilerToVM().invalidateInstalledCode(installedCode); |
| } |
| |
| @Override |
| public TargetDescription getTarget() { |
| return target; |
| } |
| |
| public String disassemble(InstalledCode code) { |
| if (code.isValid()) { |
| return runtime.getCompilerToVM().disassembleCodeBlob(code); |
| } |
| return null; |
| } |
| |
| public SpeculationLog createSpeculationLog() { |
| return new HotSpotSpeculationLog(); |
| } |
| |
| public long getMaxCallTargetOffset(long address) { |
| return runtime.getCompilerToVM().getMaxCallTargetOffset(address); |
| } |
| |
| public boolean shouldDebugNonSafepoints() { |
| return runtime.getCompilerToVM().shouldDebugNonSafepoints(); |
| } |
| |
| public int interpreterFrameSize(BytecodeFrame pos) { |
| return runtime.getCompilerToVM().interpreterFrameSize(pos); |
| } |
| |
| /** |
| * Resets all compilation statistics. |
| */ |
| public void resetCompilationStatistics() { |
| runtime.getCompilerToVM().resetCompilationStatistics(); |
| } |
| } |