Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.sourcegen/src/com/oracle/graal/hotspot/sourcegen/GenGraalRuntimeInlineHpp.java @ 15940:d676c4beeab8
renamed project (and package) com.oracle.graal.hotspot.codegen to com.oracle.graal.hotspot.sourcegen
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 27 May 2014 22:00:22 +0200 |
parents | graal/com.oracle.graal.hotspot.codegen/src/com/oracle/graal/hotspot/codegen/GenGraalRuntimeInlineHpp.java@2977687e6db0 |
children | 9a7803400ba7 |
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/* * Copyright (c) 2014, 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.hotspot.sourcegen; import java.io.*; import java.lang.reflect.*; import java.util.*; import java.util.zip.*; import com.oracle.graal.api.runtime.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.options.*; /** * Command line utility for generating the source code of {@code GraalRuntime.inline.hpp}. */ public class GenGraalRuntimeInlineHpp { public static void main(String[] args) { PrintStream out = System.out; try { genGetServiceImpls(out); genSetOption(out); } catch (Throwable t) { t.printStackTrace(out); } out.flush(); } /** * Generates code for {@code GraalRuntime::get_service_impls()}. */ private static void genGetServiceImpls(PrintStream out) throws Exception { String graalJar = null; String classPath = System.getProperty("java.class.path"); for (String e : classPath.split(File.pathSeparator)) { if (e.endsWith("graal.jar")) { graalJar = e; break; } } final List<Class<? extends Service>> services = new ArrayList<>(); final ZipFile zipFile = new ZipFile(new File(Objects.requireNonNull(graalJar, "Could not find graal.jar on class path: " + classPath))); for (final Enumeration<? extends ZipEntry> e = zipFile.entries(); e.hasMoreElements();) { final ZipEntry zipEntry = e.nextElement(); String name = zipEntry.getName(); if (name.startsWith("META-INF/services/")) { String serviceName = name.substring("META-INF/services/".length()); Class<?> c = Class.forName(serviceName); if (Service.class.isAssignableFrom(c)) { @SuppressWarnings("unchecked") Class<? extends Service> sc = (Class<? extends Service>) c; services.add(sc); } } } out.println("Handle GraalRuntime::get_service_impls(KlassHandle serviceKlass, TRAPS) {"); for (Class<?> service : services) { out.printf(" if (serviceKlass->name()->equals(\"%s\")) {%n", toInternalName(service)); List<Class<?>> impls = new ArrayList<>(); for (Object impl : ServiceLoader.load(service)) { impls.add(impl.getClass()); } out.printf(" objArrayOop servicesOop = oopFactory::new_objArray(serviceKlass(), %d, CHECK_NH);%n", impls.size()); out.println(" objArrayHandle services(THREAD, servicesOop);"); for (int i = 0; i < impls.size(); i++) { String name = toInternalName(impls.get(i)); out.printf(" %sservice = create_Service(\"%s\", CHECK_NH);%n", (i == 0 ? "Handle " : ""), name); out.printf(" services->obj_at_put(%d, service());%n", i); } out.println(" return services;"); out.println(" }"); } out.println(" return Handle();"); out.println("}"); } /** * Generates code for {@code GraalRuntime::set_option()}. */ private static void genSetOption(PrintStream out) throws Exception { SortedMap<String, OptionDescriptor> options = getOptions(); Set<Integer> lengths = new TreeSet<>(); for (String s : options.keySet()) { lengths.add(s.length()); } lengths.add("PrintFlags".length()); out.println("bool GraalRuntime::set_option(KlassHandle hotSpotOptionsClass, const char* name, int name_len, Handle name_handle, const char* value, TRAPS) {"); out.println(" if (value[0] == '+' || value[0] == '-') {"); out.println(" // boolean options"); genMatchers(out, lengths, options, true); out.println(" } else {"); out.println(" // non-boolean options"); genMatchers(out, lengths, options, false); out.println(" }"); out.println(" return false;"); out.println("}"); } protected static void genMatchers(PrintStream out, Set<Integer> lengths, SortedMap<String, OptionDescriptor> options, boolean isBoolean) throws Exception { out.println(" switch (name_len) {"); for (int len : lengths) { boolean printedCase = false; // The use of strncmp is required (instead of strcmp) as the option name will not be // null terminated for <name>=<value> style options. if (len == "PrintFlags".length() && isBoolean) { printedCase = true; out.println(" case " + len + ":"); out.printf(" if (strncmp(name, \"PrintFlags\", %d) == 0) {%n", len); out.println(" if (value[0] == '+') {"); out.println(" VMToCompiler::setOption(hotSpotOptionsClass, name_handle, Handle(), '?', Handle(), 0L);"); out.println(" }"); out.println(" return true;"); out.println(" }"); } for (Map.Entry<String, OptionDescriptor> e : options.entrySet()) { OptionDescriptor desc = e.getValue(); if (e.getKey().length() == len && ((desc.getType() == Boolean.class) == isBoolean)) { if (!printedCase) { printedCase = true; out.println(" case " + len + ":"); } out.printf(" if (strncmp(name, \"%s\", %d) == 0) {%n", e.getKey(), len); Class<?> declaringClass = desc.getDeclaringClass(); out.printf(" Handle option = get_OptionValue(\"L%s;\", \"%s\", \"L%s;\", CHECK_(true));%n", toInternalName(declaringClass), desc.getFieldName(), toInternalName(getFieldType(desc))); if (isBoolean) { out.println(" VMToCompiler::setOption(hotSpotOptionsClass, name_handle, option, value[0], Handle(), 0L);"); } else if (desc.getType() == String.class) { out.println(" Handle stringValue = java_lang_String::create_from_str(value, CHECK_(true));"); out.println(" VMToCompiler::setOption(hotSpotOptionsClass, name_handle, option, 's', stringValue, 0L);"); } else { char spec = getPrimitiveSpecChar(desc); out.println(" jlong primitiveValue = parse_primitive_option_value('" + spec + "', name_handle, value, CHECK_(true));"); out.println(" VMToCompiler::setOption(hotSpotOptionsClass, name_handle, option, '" + spec + "', Handle(), primitiveValue);"); } out.println(" return true;"); out.println(" }"); } } } out.println(" }"); } @SuppressWarnings("unchecked") static SortedMap<String, OptionDescriptor> getOptions() throws Exception { Field field = Class.forName("com.oracle.graal.hotspot.HotSpotOptionsLoader").getDeclaredField("options"); field.setAccessible(true); return (SortedMap<String, OptionDescriptor>) field.get(null); } private static Class<?> getFieldType(OptionDescriptor desc) throws Exception { return desc.getDeclaringClass().getDeclaredField(desc.getFieldName()).getType(); } private static String toInternalName(Class<?> c) { return c.getName().replace('.', '/'); } /** * @see HotSpotOptions#setOption(String, OptionValue, char, String, long) */ @SuppressWarnings("javadoc") private static char getPrimitiveSpecChar(OptionDescriptor desc) { if (desc.getType() == Integer.class) { return 'i'; } if (desc.getType() == Float.class) { return 'f'; } if (desc.getType() == Double.class) { return 'd'; } throw GraalInternalError.shouldNotReachHere("Unexpected primitive option type: " + desc.getType().getName()); } }