| /* |
| * 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.macho; |
| |
| import java.nio.ByteBuffer; |
| |
| import jdk.tools.jaotc.binformat.macho.MachO.reloc_info; |
| import jdk.tools.jaotc.binformat.macho.MachOByteBuffer; |
| |
| final class MachORelocEntry { |
| private final ByteBuffer entry; |
| |
| MachORelocEntry(int offset, int symno, int pcrel, int length, int isextern, int type) { |
| |
| entry = MachOByteBuffer.allocate(reloc_info.totalsize); |
| |
| entry.putInt(reloc_info.r_address.off, offset); |
| |
| // Encode and store the relocation entry bitfields |
| // @formatter:off |
| entry.putInt(reloc_info.r_relocinfo.off, |
| ((symno & reloc_info.REL_SYMNUM_MASK) << reloc_info.REL_SYMNUM_SHIFT) | |
| ((pcrel & reloc_info.REL_PCREL_MASK) << reloc_info.REL_PCREL_SHIFT) | |
| ((length & reloc_info.REL_LENGTH_MASK) << reloc_info.REL_LENGTH_SHIFT) | |
| ((isextern & reloc_info.REL_EXTERN_MASK) << reloc_info.REL_EXTERN_SHIFT) | |
| ((type & reloc_info.REL_TYPE_MASK) << reloc_info.REL_TYPE_SHIFT)); |
| // @formatter:on |
| } |
| |
| byte[] getArray() { |
| return entry.array(); |
| } |
| } |
