| /* |
| * Copyright (c) 2017, 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 jdk.tools.jaotc.binformat.pecoff; |
| |
| import java.nio.ByteBuffer; |
| |
| import jdk.tools.jaotc.binformat.pecoff.PECoff.IMAGE_FILE_HEADER; |
| import jdk.tools.jaotc.binformat.pecoff.PECoffByteBuffer; |
| |
| final class PECoffHeader { |
| private final ByteBuffer header; |
| |
| PECoffHeader() { |
| header = PECoffByteBuffer.allocate(IMAGE_FILE_HEADER.totalsize); |
| |
| header.putChar(IMAGE_FILE_HEADER.Machine.off, IMAGE_FILE_HEADER.IMAGE_FILE_MACHINE_AMD64); |
| header.putInt(IMAGE_FILE_HEADER.TimeDateStamp.off, (int) (System.currentTimeMillis() / 1000)); |
| header.putInt(IMAGE_FILE_HEADER.PointerToSymbolTable.off, 0); |
| header.putInt(IMAGE_FILE_HEADER.NumberOfSymbols.off, 0); |
| header.putChar(IMAGE_FILE_HEADER.SizeOfOptionalHeader.off, (char) 0); |
| header.putChar(IMAGE_FILE_HEADER.Characteristics.off, (char) 0); |
| |
| } |
| |
| // Update header with the number of total sections |
| void setSectionCount(int count) { |
| header.putChar(IMAGE_FILE_HEADER.NumberOfSections.off, (char) count); |
| } |
| |
| // Update header with the number of total symbols |
| void setSymbolCount(int count) { |
| header.putInt(IMAGE_FILE_HEADER.NumberOfSymbols.off, count); |
| } |
| |
| // Update header with the offset of symbol table |
| void setSymbolOff(int offset) { |
| header.putInt(IMAGE_FILE_HEADER.PointerToSymbolTable.off, offset); |
| } |
| |
| byte[] getArray() { |
| return header.array(); |
| } |
| } |