/* BFD back-end for Mach3/532 a.out-ish binaries.

   Copyright (C) 1990-2023 Free Software Foundation, Inc.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   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.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

   MA 02110-1301, USA.  */

/* Written by Ian Dall

        19-Apr-94

   Formerly part of aout-pc532-mach.c. Split out to allow more

   flexibility with multiple formats.  */

/* This architecture has N_TXTOFF and N_TXTADDR defined as if

   N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the

   space for the header. So we have N_HEADER_IN_TEXT defined to

   1 and specially define our own N_TXTSIZE.  */

#define N_HEADER_IN_TEXT(x) 1

#define N_TXTSIZE(x) ((x)->a_text)

#define TEXT_START_ADDR 0x10000       /* from old ld */

#define TARGET_PAGE_SIZE 0x1000       /* from old ld,  032 & 532 are really 512/4k */

/* Use a_entry of 0 to distinguish object files from OMAGIC executables */

#define N_TXTADDR(x) \

  (N_MAGIC(x) == OMAGIC ? \

   ((x)->a_entry < TEXT_START_ADDR? 0: TEXT_START_ADDR): \

   (N_MAGIC(x) == NMAGIC? TEXT_START_ADDR: \

    TEXT_START_ADDR + EXEC_BYTES_SIZE))

#define SEGMENT_SIZE  TARGET_PAGE_SIZE

#define SEGMENT_SIZE TARGET_PAGE_SIZE

#define DEFAULT_ARCH bfd_arch_ns32k

/* Do not "beautify" the CONCAT* macro args.  Traditional C will not

   remove whitespace added here, and thus will fail to concatenate

   the tokens.  */

#define MY(OP) CONCAT2 (ns32k_aout_pc532mach_,OP)

/* Must be the same as aout-ns32k.c */

#define NAME(x,y) CONCAT3 (ns32kaout,_32_,y)

#define TARGETNAME "a.out-pc532-mach"

#include "sysdep.h"

#include "bfd.h"

#include "libaout.h"

#include "libbfd.h"

#include "aout/aout64.h"

#define MY_bfd_reloc_type_lookup ns32k_aout_bfd_reloc_type_lookup

/* libaout doesn't use NAME for these ...  */

#define MY_get_section_contents aout_32_get_section_contents

#define MY_text_includes_header 1

#define MY_exec_header_not_counted 1

reloc_howto_type *MY_bfd_reloc_type_lookup

  (bfd *abfd, bfd_reloc_code_real_type code);

static bool

MY(write_object_contents) (bfd *abfd)

{

  struct external_exec exec_bytes;

  struct internal_exec *execp = exec_hdr (abfd);

  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;

  BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k);

  switch (bfd_get_mach (abfd))

    {

    case 32032:

      N_SET_MACHTYPE (execp, M_NS32032);

      break;

    case 32532:

    default:

      N_SET_MACHTYPE (execp, M_NS32532);

      break;

    }

  N_SET_FLAGS (execp, aout_backend_info (abfd)->exec_hdr_flags);

  WRITE_HEADERS (abfd, execp);

  return true;

}

#define MY_write_object_contents MY(write_object_contents)

#include "aout-target.h"