/* BFD back-end definitions used by all NetBSD targets.

   Copyright (C) 1990-2025 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.  */

/* Check for our machine type (part of magic number).  */

#ifndef MACHTYPE_OK

#define MACHTYPE_OK(m) ((m) == DEFAULT_MID || (m) == M_UNKNOWN)

#endif

/* This is the normal load address for executables.  */

#define TEXT_START_ADDR   TARGET_PAGE_SIZE

/* NetBSD ZMAGIC has its header in the text segment.  */

#define N_HEADER_IN_TEXT(x) 1

/* Determine if this is a shared library using the flags.  */

#define N_SHARED_LIB(x)   (N_DYNAMIC (x))

/* We have 6 bits of flags and 10 bits of machine ID.  */

#define N_MACHTYPE(execp) \

  ((enum machine_type) (((execp)->a_info >> 16) & 0x03ff))

#define N_FLAGS(execp) \

  (((execp)->a_info >> 26) & 0x3f)

#define N_SET_INFO(execp, magic, type, flags) \

  ((execp)->a_info = ((magic) & 0xffff) \

   | (((int) (type) & 0x3ff) << 16) \

   | (((flags) & 0x3f) << 24))

#define N_SET_MACHTYPE(execp, machtype) \

  ((execp)->a_info = \

   ((execp)->a_info & 0xfb00ffff) | ((((int) (machtype)) & 0x3ff) << 16))

#define N_SET_FLAGS(execp, flags) \

  ((execp)->a_info = \

   ((execp)->a_info & 0x03ffffff) | ((flags & 0x3fu) << 26))

#include "sysdep.h"

#include "bfd.h"

#include "libbfd.h"

#include "libaout.h"

/* On NetBSD, the magic number is always in ntohl's "network" (big-endian)

   format.  */

#define SWAP_MAGIC(ext) bfd_getb32 (ext)

/* On NetBSD, the entry point may be taken to be the start of the text

   section.  */

#define MY_entry_is_text_address 1

#define MY_write_object_contents MY (write_object_contents)

static bool MY (write_object_contents) (bfd *);

#define MY_text_includes_header 1

#include "aout-target.h"

/* Write an object file.

   Section contents have already been written.  We write the

   file header, symbols, and relocation.  */

static bool

MY (write_object_contents) (bfd *abfd)

{

  struct external_exec exec_bytes;

  struct internal_exec *execp = exec_hdr (abfd);

  /* We must make certain that the magic number has been set.  This

     will normally have been done by set_section_contents, but only if

     there actually are some section contents.  */

  if (! abfd->output_has_begun)

    NAME (aout, adjust_sizes_and_vmas) (abfd);

  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;

  /* Magic number, maestro, please!  */

  switch (bfd_get_arch(abfd))

    {

    case DEFAULT_ARCH:

      N_SET_MACHTYPE (execp, DEFAULT_MID);

      break;

    default:

      N_SET_MACHTYPE (execp, M_UNKNOWN);

      break;

    }

  /* The NetBSD magic number is always big-endian.  */

#ifndef TARGET_IS_BIG_ENDIAN_P

  /* XXX aren't there any macro to change byteorder of a word independent of

     the host's or target's endiannesses?  */

  execp->a_info

    = (execp->a_info & 0xffu) << 24 | (execp->a_info & 0xff00) << 8

      | (execp->a_info & 0xff0000) >> 8 | (execp->a_info & 0xff000000) >> 24;

#endif

  WRITE_HEADERS (abfd, execp);

  return true;

}

ns32knetbsd.c:ns32k_aout_pc532nbsd_write_object_contents

Line

Count

Source

79

1

{

80

1

  struct external_exec exec_bytes;

81

1

  struct internal_exec *execp = exec_hdr (abfd);

82

83

  /* We must make certain that the magic number has been set.  This

84

     will normally have been done by set_section_contents, but only if

85

     there actually are some section contents.  */

86

1

  if (! abfd->output_has_begun)

87

0

    NAME (aout, adjust_sizes_and_vmas) (abfd);

88

89

1

  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;

90

91

  /* Magic number, maestro, please!  */

92

1

  switch (bfd_get_arch(abfd))

93

1

    {

94

1

    case DEFAULT_ARCH:

95

1

      N_SET_MACHTYPE (execp, DEFAULT_MID);

96

1

      break;

97

0

    default:

98

0

      N_SET_MACHTYPE (execp, M_UNKNOWN);

99

0

      break;

100

1

    }

101

102

  /* The NetBSD magic number is always big-endian.  */

103

1

#ifndef TARGET_IS_BIG_ENDIAN_P

104

  /* XXX aren't there any macro to change byteorder of a word independent of

105

     the host's or target's endiannesses?  */

106

1

  execp->a_info

107

1

    = (execp->a_info & 0xffu) << 24 | (execp->a_info & 0xff00) << 8

108

1

      | (execp->a_info & 0xff0000) >> 8 | (execp->a_info & 0xff000000) >> 24;

109

1

#endif

110

111

4

  WRITE_HEADERS (abfd, execp);

112

113

0

  return true;

114

4

}

Unexecuted instantiation: vax1knetbsd.c:vax_aout_1knbsd_write_object_contents

vaxnetbsd.c:vax_aout_nbsd_write_object_contents

Line

Count

Source

79

3

{

80

3

  struct external_exec exec_bytes;

81

3

  struct internal_exec *execp = exec_hdr (abfd);

82

83

  /* We must make certain that the magic number has been set.  This

84

     will normally have been done by set_section_contents, but only if

85

     there actually are some section contents.  */

86

3

  if (! abfd->output_has_begun)

87

1

    NAME (aout, adjust_sizes_and_vmas) (abfd);

88

89

3

  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;

90

91

  /* Magic number, maestro, please!  */

92

3

  switch (bfd_get_arch(abfd))

93

3

    {

94

3

    case DEFAULT_ARCH:

95

3

      N_SET_MACHTYPE (execp, DEFAULT_MID);

96

3

      break;

97

0

    default:

98

0

      N_SET_MACHTYPE (execp, M_UNKNOWN);

99

0

      break;

100

3

    }

101

102

  /* The NetBSD magic number is always big-endian.  */

103

3

#ifndef TARGET_IS_BIG_ENDIAN_P

104

  /* XXX aren't there any macro to change byteorder of a word independent of

105

     the host's or target's endiannesses?  */

106

3

  execp->a_info

107

3

    = (execp->a_info & 0xffu) << 24 | (execp->a_info & 0xff00) << 8

108

3

      | (execp->a_info & 0xff0000) >> 8 | (execp->a_info & 0xff000000) >> 24;

109

3

#endif

110

111

18

  WRITE_HEADERS (abfd, execp);

112

113

3

  return true;

114

18

}