1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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).
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23 
24 package jdk.tools.jaotc.binformat.macho;
25 
26 import java.nio.ByteBuffer;
27 
28 import jdk.tools.jaotc.binformat.macho.MachO.reloc_info;
29 import jdk.tools.jaotc.binformat.macho.MachOByteBuffer;
30 
31 final class MachORelocEntry {
32     private final ByteBuffer entry;
33 
MachORelocEntry(int offset, int symno, int pcrel, int length, int isextern, int type)34     MachORelocEntry(int offset, int symno, int pcrel, int length, int isextern, int type) {
35 
36         entry = MachOByteBuffer.allocate(reloc_info.totalsize);
37 
38         entry.putInt(reloc_info.r_address.off, offset);
39 
40         // Encode and store the relocation entry bitfields
41         // @formatter:off
42         entry.putInt(reloc_info.r_relocinfo.off,
43             ((symno    & reloc_info.REL_SYMNUM_MASK) << reloc_info.REL_SYMNUM_SHIFT) |
44             ((pcrel    & reloc_info.REL_PCREL_MASK)  << reloc_info.REL_PCREL_SHIFT)  |
45             ((length   & reloc_info.REL_LENGTH_MASK) << reloc_info.REL_LENGTH_SHIFT) |
46             ((isextern & reloc_info.REL_EXTERN_MASK) << reloc_info.REL_EXTERN_SHIFT) |
47             ((type     & reloc_info.REL_TYPE_MASK)   << reloc_info.REL_TYPE_SHIFT));
48         // @formatter:on
49     }
50 
getArray()51     byte[] getArray() {
52         return entry.array();
53     }
54 }
55