JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2000, 2010, 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.
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 */

package sun.jvm.hotspot.debugger.win32.coff;

public class TestParser {
  public static void main(String[] args) {
    if (args.length != 1) {
      System.err.println("usage: java TestParser [file name]");
      System.err.println("File name may be an .exe, .dll or .obj");
      System.exit(1);
    }

    try {
      COFFFile file = COFFFileParser.getParser().parse(args[0]);
      if (file.isImage()) {
        System.out.println("PE Image detected.");
      } else {
        System.out.println("PE Image NOT detected, assuming object file.");
      }
      COFFHeader header = file.getHeader();
      int numSections = header.getNumberOfSections();
      System.out.println(numSections + " sections detected.");
      for (int i = 1; i <= numSections; i++) {
        SectionHeader secHeader = header.getSectionHeader(i);
        System.out.println(secHeader.getName());
      }

      // FIXME: the DLL exports are not contained in the COFF symbol
      // table. Instead, they are in the Export Table, one of the
      // Optional Header Data Directories available from the Optional
      // Header. Must implement that next.

      /*
      int numSymbols = header.getNumberOfSymbols();
      System.out.println(numSymbols + " symbols detected.");
      System.out.println("Symbol dump:");
      for (int i = 0; i < header.getNumberOfSymbols(); i++) {
        COFFSymbol sym = header.getCOFFSymbol(i);
        System.out.println("  " + sym.getName());
      }
      */

      // OK, let's give the exported symbols a shot
      OptionalHeader optHdr = header.getOptionalHeader();
      OptionalHeaderDataDirectories ddirs = optHdr.getDataDirectories();
      ExportDirectoryTable exports = ddirs.getExportDirectoryTable();
      System.out.println("Export flags (should be 0): " + exports.getExportFlags());
      System.out.println("DLL name (from export directory table): " +

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