Initial import.

[mirror_edk2.git] / Tools / Source / Cpptasks / net / sf / antcontrib / cpptasks / gcc / cross / GppLinker.java

/*\r
 * \r
 * Copyright 2003-2004 The Ant-Contrib project\r
 *\r
 *  Licensed under the Apache License, Version 2.0 (the "License");\r
 *  you may not use this file except in compliance with the License.\r
 *  You may obtain a copy of the License at\r
 *\r
 *      http://www.apache.org/licenses/LICENSE-2.0\r
 *\r
 *  Unless required by applicable law or agreed to in writing, software\r
 *  distributed under the License is distributed on an "AS IS" BASIS,\r
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
 *  See the License for the specific language governing permissions and\r
 *  limitations under the License.\r
 */\r
package net.sf.antcontrib.cpptasks.gcc.cross;\r
import java.io.File;\r
import java.util.Vector;\r
\r
import net.sf.antcontrib.cpptasks.CCTask;\r
import net.sf.antcontrib.cpptasks.CUtil;\r
import net.sf.antcontrib.cpptasks.LinkerParam;\r
import net.sf.antcontrib.cpptasks.compiler.CaptureStreamHandler;\r
import net.sf.antcontrib.cpptasks.compiler.CommandLineLinkerConfiguration;\r
import net.sf.antcontrib.cpptasks.compiler.LinkType;\r
import net.sf.antcontrib.cpptasks.compiler.Linker;\r
import net.sf.antcontrib.cpptasks.gcc.AbstractLdLinker;\r
import net.sf.antcontrib.cpptasks.types.LibrarySet;\r
\r
import org.apache.tools.ant.BuildException;\r
/**\r
 * Adapter for the g++ variant of the GCC linker\r
 * \r
 * @author Stephen M. Webb <stephen.webb@bregmasoft.com>\r
 */\r
public class GppLinker extends AbstractLdLinker {\r
    protected static final String[] discardFiles = new String[0];\r
    protected static final String[] objFiles = new String[]{".o", ".a", ".lib",\r
            ".dll", ".so", ".sl"};\r
    private static final GppLinker dllLinker = new GppLinker("gcc", objFiles,\r
            discardFiles, "lib", ".so", false, new GppLinker("gcc", objFiles,\r
                    discardFiles, "lib", ".so", true, null));\r
    private final static String libPrefix = "libraries: =";\r
    protected static final String[] libtoolObjFiles = new String[]{".fo", ".a",\r
            ".lib", ".dll", ".so", ".sl"};\r
    private static String[] linkerOptions = new String[]{"-bundle", "-dylib",\r
            "-dynamic", "-dynamiclib", "-nostartfiles", "-nostdlib",\r
            "-prebind", "-s", "-static", "-shared", "-symbolic", "-Xlinker"};\r
    private static final GppLinker instance = new GppLinker("gcc", objFiles,\r
            discardFiles, "", "", false, null);\r
    private static final GppLinker machDllLinker = new GppLinker("gcc",\r
            objFiles, discardFiles, "lib", ".dylib", false, null);\r
    private static final GppLinker machPluginLinker = new GppLinker("gcc",\r
            objFiles, discardFiles, "lib", ".bundle", false, null);\r
    public static GppLinker getInstance() {\r
        return instance;\r
    }\r
    private File[] libDirs;\r
    private String runtimeLibrary;\r
    protected GppLinker(String command, String[] extensions,\r
            String[] ignoredExtensions, String outputPrefix,\r
            String outputSuffix, boolean isLibtool, GppLinker libtoolLinker) {\r
        super(command, "-dumpversion", extensions, ignoredExtensions,\r
                outputPrefix, outputSuffix, isLibtool, libtoolLinker);\r
    }\r
    protected void addImpliedArgs(boolean debug, LinkType linkType, Vector args, Boolean defaultflag) {\r
        super.addImpliedArgs(debug, linkType, args, defaultflag);\r
        if (getIdentifier().indexOf("mingw") >= 0) {\r
            if (linkType.isSubsystemConsole()) {\r
                args.addElement("-mconsole");\r
            }\r
            if (linkType.isSubsystemGUI()) {\r
                args.addElement("-mwindows");\r
            }\r
        }\r
        if (linkType.isStaticRuntime()) {\r
            String[] cmdin = new String[]{"g++", "-print-file-name=libstdc++.a"};\r
            String[] cmdout = CaptureStreamHandler.run(cmdin);\r
            if (cmdout.length > 0) {\r
                runtimeLibrary = cmdout[0];\r
            } else {\r
                runtimeLibrary = null;\r
            }\r
        } else {\r
            runtimeLibrary = "-lstdc++";\r
        }\r
    }\r
    public String[] addLibrarySets(CCTask task, LibrarySet[] libsets,\r
            Vector preargs, Vector midargs, Vector endargs) {\r
        String[] rs = super.addLibrarySets(task, libsets, preargs, midargs,\r
                endargs);\r
        if (runtimeLibrary != null) {\r
            endargs.addElement(runtimeLibrary);\r
        }\r
        return rs;\r
    }\r
    protected Object clone() throws CloneNotSupportedException {\r
        GppLinker clone = (GppLinker) super.clone();\r
        return clone;\r
    }\r
    /**\r
     * Allows drived linker to decorate linker option. Override by GppLinker to\r
     * prepend a "-Wl," to pass option to through gcc to linker.\r
     * \r
     * @param buf\r
     *            buffer that may be used and abused in the decoration process,\r
     *            must not be null.\r
     * @param arg\r
     *            linker argument\r
     */\r
    public String decorateLinkerOption(StringBuffer buf, String arg) {\r
        String decoratedArg = arg;\r
        if (arg.length() > 1 && arg.charAt(0) == '-') {\r
            switch (arg.charAt(1)) {\r
                //\r
                //   passed automatically by GCC\r
                //\r
                case 'g' :\r
                case 'f' :\r
                case 'F' :\r
                /* Darwin */\r
                case 'm' :\r
                case 'O' :\r
                case 'W' :\r
                case 'l' :\r
                case 'L' :\r
                case 'u' :\r
                    break;\r
                default :\r
                    boolean known = false;\r
                    for (int i = 0; i < linkerOptions.length; i++) {\r
                        if (linkerOptions[i].equals(arg)) {\r
                            known = true;\r
                            break;\r
                        }\r
                    }\r
                    if (!known) {\r
                        buf.setLength(0);\r
                        buf.append("-Wl,");\r
                        buf.append(arg);\r
                        decoratedArg = buf.toString();\r
                    }\r
                    break;\r
            }\r
        }\r
        return decoratedArg;\r
    }\r
    /**\r
     * Returns library path.\r
     *  \r
     */\r
    public File[] getLibraryPath() {\r
        if (libDirs == null) {\r
            Vector dirs = new Vector();\r
            // Ask GCC where it will look for its libraries.\r
            String[] args = new String[]{"g++", "-print-search-dirs"};\r
            String[] cmdout = CaptureStreamHandler.run(args);\r
            for (int i = 0; i < cmdout.length; ++i) {\r
                int prefixIndex = cmdout[i].indexOf(libPrefix);\r
                if (prefixIndex >= 0) {\r
                    // Special case DOS-type GCCs like MinGW or Cygwin\r
                    int s = prefixIndex + libPrefix.length();\r
                    int t = cmdout[i].indexOf(';', s);\r
                    while (t > 0) {\r
                        dirs.addElement(cmdout[i].substring(s, t));\r
                        s = t + 1;\r
                        t = cmdout[i].indexOf(';', s);\r
                    }\r
                    dirs.addElement(cmdout[i].substring(s));\r
                    ++i;\r
                    for (; i < cmdout.length; ++i) {\r
                        dirs.addElement(cmdout[i]);\r
                    }\r
                }\r
            }\r
            // Eliminate all but actual directories.\r
            String[] libpath = new String[dirs.size()];\r
            dirs.copyInto(libpath);\r
            int count = CUtil.checkDirectoryArray(libpath);\r
            // Build return array.\r
            libDirs = new File[count];\r
            int index = 0;\r
            for (int i = 0; i < libpath.length; ++i) {\r
                if (libpath[i] != null) {\r
                    libDirs[index++] = new File(libpath[i]);\r
                }\r
            }\r
        }\r
        return libDirs;\r
    }\r
    public Linker getLinker(LinkType type) {\r
        if (type.isStaticLibrary()) {\r
            return GccLibrarian.getInstance();\r
        }\r
        if (type.isPluginModule()) {\r
            if (GccProcessor.getMachine().indexOf("darwin") >= 0) {\r
                return machPluginLinker;\r
            } else {\r
                return dllLinker;\r
            }\r
        }\r
        if (type.isSharedLibrary()) {\r
            if (GccProcessor.getMachine().indexOf("darwin") >= 0) {\r
                return machDllLinker;\r
            } else {\r
                return dllLinker;\r
            }\r
        }\r
        return instance;\r
    }\r
    public void link(CCTask task, File outputFile, String[] sourceFiles,\r
            CommandLineLinkerConfiguration config) throws BuildException {\r
        try {\r
            GppLinker clone = (GppLinker) this.clone();\r
            LinkerParam param = config.getParam("target");\r
            if (param != null)\r
                clone.setCommand(param.getValue() + "-" + this.getCommand());\r
            clone.superlink(task, outputFile, sourceFiles, config);\r
        } catch (CloneNotSupportedException e) {\r
            superlink(task, outputFile, sourceFiles, config);\r
        }\r
    }\r
    private void superlink(CCTask task, File outputFile, String[] sourceFiles,\r
            CommandLineLinkerConfiguration config) throws BuildException {\r
        super.link(task, outputFile, sourceFiles, config);\r
    }\r
}\r