/*
 * 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
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 * questions.
 */

package jdk.tools.jaotc.binformat.macho;

import java.nio.ByteBuffer;

import jdk.tools.jaotc.binformat.macho.MachO.segment_command_64;
import jdk.tools.jaotc.binformat.macho.MachOByteBuffer;

public class MachOSegment {
    ByteBuffer segment;

    public MachOSegment(int size, int fileoff, int filesize, int nsects) {
        segment = MachOByteBuffer.allocate(segment_command_64.totalsize);

        segment.putInt(segment_command_64.cmd.off, segment_command_64.LC_SEGMENT_64);
        segment.putInt(segment_command_64.cmdsize.off, size);
        segment.putInt(segment_command_64.maxprot.off, 7);
        segment.putInt(segment_command_64.initprot.off, 7);
        segment.putInt(segment_command_64.nsects.off, nsects);
        segment.putInt(segment_command_64.flags.off, 0);
        segment.putLong(segment_command_64.vmaddr.off, 0);
        segment.putLong(segment_command_64.vmsize.off, filesize);
        segment.putLong(segment_command_64.fileoff.off, fileoff);
        segment.putLong(segment_command_64.filesize.off, filesize);
    }

    public byte[] getArray() {
        return segment.array();
    }
}