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/*
* Copyright (c) 2019, Red Hat, Inc.
* 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.
*/
import java.io.File;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
/**
* Fake objcopy used by StripNativeDebugSymbolsTest. It prints the
* passed in arguments to a log and creates a fake debug info file
* for --only-keep-debug invocation. Note that the first argument is
* the path to the log file. This argument will be omitted when
* logged.
*
* Callers need to ensure the log file is properly truncated.
*
*/
public class FakeObjCopy {
private static final String OBJCOPY_ONLY_KEEP_DEBUG_OPT = "--only-keep-debug";
public static void main(String[] args) throws Exception {
if (args.length < 1) {
throw new AssertionError("At least one argument expected");
}
String[] objCopyArgs = new String[args.length - 1];
System.arraycopy(args, 1, objCopyArgs, 0, objCopyArgs.length);
String logFile = args[0];
System.out.println("DEBUG: Fake objcopy called. Log file is: " + logFile);
// Log options
String line = Arrays.asList(objCopyArgs).stream().collect(Collectors.joining(" "));
Files.write(Paths.get(logFile),
List.<String>of(line),
StandardOpenOption.APPEND,
StandardOpenOption.CREATE);
// Handle --only-keep-debug option as plugin attempts to read
// debug info file after this utility being called.
if (objCopyArgs.length == 3 && OBJCOPY_ONLY_KEEP_DEBUG_OPT.equals(objCopyArgs[0])) {
handleOnlyKeepDebug(objCopyArgs[2]);
}
}
private static void handleOnlyKeepDebug(String dbgFile) throws Exception {
try (PrintWriter pw = new PrintWriter(new File(dbgFile))) {
pw.println("Fake objcopy debug info file");
}
System.out.println("DEBUG: wrote fake debug file " + dbgFile);
}
}
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