{
    This file is part of the Free Pascal run time library.
    Copyright (c) 2008 by Giulio Bernardi

    Types used by Mach-O resource reader and writer

    See the file COPYING.FPC, included in this distribution,
    for details about the copyright.

    This program 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.

 **********************************************************************}

unit machotypes;

{$MODE OBJFPC}

interface

{$packrecords c}

type
  TMachOMachineType = (mmtpowerpc, mmtpowerpc64, mmti386, mmtx86_64, mmtarm, mmtarm64);
  TMachOSubMachineTypePowerPC = (msmppc_all);
  TMachOSubMachineTypePowerPC64 = (msmppc64_all);
  TMachOSubMachineType386 = (msm386_all);
  TMachOSubMachineTypex64 = (msmx64_all);
  TMachOSubMachineTypeArm = (msmarm_all,msmarm_v4t,msmarm_v6,msmarm_v5tej,msmarm_xscale,msmarm_v7);
  TMachOSubMachineTypeAarch64 = (msmaarch64_all);
  TSegSectName = array[0..15] of char;

type
  TMachHdr = record
    magic : longword;
    cputype : longint;
    cpusubtype : longint;
    filetype : longword;
    ncmds : longword;
    sizeofcmds : longword;
    flags : longword;
  end;

  TLoadCommand = record
    cmd : longword;
    cmdsize : longword;
  end;

  //note: all commands don't include first two longwords

  TSegmentCommand32 = record
    name     : TSegSectName;
    vmaddr   : longword;
    vmsize   : longword;
    fileoff  : longword;
    filesize : longword;
    maxprot  : longint;
    initprot : longint;
    nsects   : longword;
    flags    : longword;
  end;

  TSegmentCommand64 = record
    name     : TSegSectName;
    vmaddr   : qword;
    vmsize   : qword;
    fileoff  : qword;
    filesize : qword;
    maxprot  : longint;
    initprot : longint;
    nsects   : longword;
    flags    : longword;
  end;
  
  TSection32 = record
    sectname : TSegSectName;
    segname  : TSegSectName;
    addr : longword;
    size : longword;
    offset : longword;
    align : longword;
    reloff : longword;
    nreloc : longword;
    flags : longword;
    reserved1 : longword;
    reserved2 : longword;
  end;

  TSection64 = record
    sectname : TSegSectName;
    segname  : TSegSectName;
    addr : qword;
    size : qword;
    offset : longword;
    align : longword;
    reloff : longword;
    nreloc : longword;
    flags : longword;
    reserved1 : longword;
    reserved2 : longword;
    reserved3 : longword;
  end;

  TSymtabCommand = record
    symoff : longword;
    nsyms : longword;
    stroff : longword;
    strsize : longword;
  end;
  
  TDySymtabCommand = record
    ilocalsym : longword;
    nlocalsym : longword;
    iextdefsym : longword;
    nextdefsym : longword;
    iundefsym : longword;
    nundefsym : longword;
    tocoff : longword;
    ntoc : longword;
    modtaboff : longword;
    nmodtab : longword;
    extrefsymoff : longword;
    nextrefsyms : longword;
    indirectsymoff : longword;
    nindirectsyms : longword;
    extreloff : longword;
    nextrel : longword;
    locreloff : longword;
    nlocrel : longword;
  end;
  
  TNList32 = record
    strx : longword;
    _type : byte;
    sect : byte;
    desc : word;
    value : longword;
  end;
  PNList32 = ^TNList32;
  
  TNList64 = record
    strx : longword;
    _type : byte;
    sect : byte;
    desc : word;
    value : qword;
  end;
  PNList64 = ^TNList64;

  TRelocationInfo = record
    address : longword;
    flags : longword;
  end;
  PRelocationInfo = ^TRelocationInfo;

implementation

end.
