9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jdk.tools.jaotc.binformat.elf; 25 26 import java.io.File; 27 import java.io.FileOutputStream; 28 29 public class ElfContainer { 30 31 File outputFile; 32 FileOutputStream outputStream; 33 long fileOffset; 34 35 public ElfContainer(String fileName, String aotVersion) { 36 String baseName; 37 38 outputFile = new File(fileName); 39 if (outputFile.exists()) { 40 outputFile.delete(); 41 } 42 43 try { 44 outputStream = new FileOutputStream(outputFile); 45 } catch (Exception e) { 46 System.out.println("ElfContainer: Can't create file " + fileName); 47 } 48 fileOffset = 0; 49 } 50 51 public void close() { 52 try { 53 outputStream.close(); 54 } catch (Exception e) { 55 System.out.println("ElfContainer: close failed"); 56 } 57 } 58 59 public void writeBytes(byte [] bytes) { 60 if (bytes == null) return; 61 try { 62 outputStream.write(bytes); 63 } catch (Exception e) { 64 System.out.println("ElfContainer: writeBytes failed"); 65 } 66 fileOffset += bytes.length; 67 } 68 69 // Write bytes to output file with up front alignment padding 70 public void writeBytes(byte [] bytes, int alignment) { 71 if (bytes == null) return; 72 try { 73 // Pad to alignment 74 while ((fileOffset & (long)(alignment-1)) != 0) { 75 outputStream.write(0); 76 fileOffset++; 77 } 78 outputStream.write(bytes); 79 } catch (Exception e) { 80 System.out.println("ElfContainer: writeBytes failed"); 81 } 82 fileOffset += bytes.length; 83 } 84 } 85 | 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jdk.tools.jaotc.binformat.elf; 25 26 import java.io.File; 27 import java.io.FileOutputStream; 28 29 final class ElfContainer { 30 31 private final File outputFile; 32 private FileOutputStream outputStream; 33 private long fileOffset; 34 35 ElfContainer(String fileName) { 36 37 outputFile = new File(fileName); 38 if (outputFile.exists()) { 39 outputFile.delete(); 40 } 41 42 try { 43 outputStream = new FileOutputStream(outputFile); 44 } catch (Exception e) { 45 System.out.println("ElfContainer: Can't create file " + fileName); 46 } 47 fileOffset = 0; 48 } 49 50 void close() { 51 try { 52 outputStream.close(); 53 } catch (Exception e) { 54 System.out.println("ElfContainer: close failed"); 55 } 56 } 57 58 void writeBytes(byte[] bytes) { 59 if (bytes == null) { 60 return; 61 } 62 try { 63 outputStream.write(bytes); 64 } catch (Exception e) { 65 System.out.println("ElfContainer: writeBytes failed"); 66 } 67 fileOffset += bytes.length; 68 } 69 70 // Write bytes to output file with up front alignment padding 71 void writeBytes(byte[] bytes, int alignment) { 72 if (bytes == null) { 73 return; 74 } 75 try { 76 // Pad to alignment 77 while ((fileOffset & (alignment - 1)) != 0) { 78 outputStream.write(0); 79 fileOffset++; 80 } 81 outputStream.write(bytes); 82 } catch (Exception e) { 83 System.out.println("ElfContainer: writeBytes failed"); 84 } 85 fileOffset += bytes.length; 86 } 87 } |