1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 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.nio.ByteBuffer; 27 28 import jdk.tools.jaotc.binformat.NativeSymbol; 29 import jdk.tools.jaotc.binformat.elf.Elf.Elf64_Sym; 30 import jdk.tools.jaotc.binformat.elf.ElfByteBuffer; 31 32 final class ElfSymbol extends NativeSymbol { 33 private final ByteBuffer sym; 34 35 ElfSymbol(int symbolindex, int strindex, byte type, byte bind, byte sectindex, long offset, long size) { 36 super(symbolindex); 37 sym = ElfByteBuffer.allocate(Elf64_Sym.totalsize); 38 39 sym.putInt(Elf64_Sym.st_name.off, strindex); 40 sym.put(Elf64_Sym.st_info.off, Elf64_Sym.ELF64_ST_INFO(bind, type)); 41 sym.put(Elf64_Sym.st_other.off, (byte) 0); 42 // Section indexes start at 1 but we manage the index internally 43 // as 0 relative 44 sym.putChar(Elf64_Sym.st_shndx.off, (char) (sectindex)); 45 sym.putLong(Elf64_Sym.st_value.off, offset); 46 sym.putLong(Elf64_Sym.st_size.off, size); 47 } 48 49 byte[] getArray() { 50 return sym.array(); 51 } 52 }