[deliverable/binutils-gdb.git] / bfd / i386os9k.c

/* BFD back-end for os9000 i386 binaries.
   Copyright 1990, 1991, 1992, 1993 1994 Free Software Foundation, Inc.
   Written by Cygnus Support.

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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */


#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "bfdlink.h"
#include "libaout.h"		/* BFD a.out internal data structures */
#include "os9k.h"

static bfd_target *os9k_callback PARAMS ((bfd *));

/* Swaps the information in an executable header taken from a raw byte
   stream memory image, into the internal exec_header structure.  */
boolean
os9k_swap_exec_header_in (abfd, raw_bytes, execp)
     bfd *abfd;
     mh_com *raw_bytes;
     struct internal_exec *execp;
{
  mh_com *bytes = (mh_com *) raw_bytes;
  unsigned int dload, dmemsize, dmemstart;

  /* Now fill in fields in the execp, from the bytes in the raw data.  */
  execp->a_info = bfd_h_get_16 (abfd, bytes->m_sync);
  execp->a_syms = 0;
  execp->a_entry = bfd_h_get_32 (abfd, bytes->m_exec);
  execp->a_talign = 2;
  execp->a_dalign = 2;
  execp->a_balign = 2;

  dload = bfd_h_get_32 (abfd, bytes->m_idata);
  execp->a_data = dload + 8;

  if (bfd_seek (abfd, (file_ptr) dload, SEEK_SET) != 0
      || (bfd_read (&dmemstart, sizeof (dmemstart), 1, abfd)
	  != sizeof (dmemstart))
      || (bfd_read (&dmemsize, sizeof (dmemsize), 1, abfd)
	  != sizeof (dmemsize)))
    return false;

  execp->a_tload = 0;
  execp->a_dload = bfd_h_get_32 (abfd, (unsigned char *) &dmemstart);
  execp->a_text = dload - execp->a_tload;
  execp->a_data = bfd_h_get_32 (abfd, (unsigned char *) &dmemsize);
  execp->a_bss = bfd_h_get_32 (abfd, bytes->m_data) - execp->a_data;

  execp->a_trsize = 0;
  execp->a_drsize = 0;

  return true;
}

#if 0
/* Swaps the information in an internal exec header structure into the
   supplied buffer ready for writing to disk.  */

PROTO (void, os9k_swap_exec_header_out,
         (bfd * abfd,
	  struct internal_exec * execp,
	  struct mh_com * raw_bytes));
void
os9k_swap_exec_header_out (abfd, execp, raw_bytes)
     bfd *abfd;
     struct internal_exec *execp;
     mh_com *raw_bytes;
{
  mh_com *bytes = (mh_com *) raw_bytes;

  /* Now fill in fields in the raw data, from the fields in the exec struct. */
  bfd_h_put_32 (abfd, execp->a_info, bytes->e_info);
  bfd_h_put_32 (abfd, execp->a_text, bytes->e_text);
  bfd_h_put_32 (abfd, execp->a_data, bytes->e_data);
  bfd_h_put_32 (abfd, execp->a_bss, bytes->e_bss);
  bfd_h_put_32 (abfd, execp->a_syms, bytes->e_syms);
  bfd_h_put_32 (abfd, execp->a_entry, bytes->e_entry);
  bfd_h_put_32 (abfd, execp->a_trsize, bytes->e_trsize);
  bfd_h_put_32 (abfd, execp->a_drsize, bytes->e_drsize);
  bfd_h_put_32 (abfd, execp->a_tload, bytes->e_tload);
  bfd_h_put_32 (abfd, execp->a_dload, bytes->e_dload);
  bytes->e_talign[0] = execp->a_talign;
  bytes->e_dalign[0] = execp->a_dalign;
  bytes->e_balign[0] = execp->a_balign;
  bytes->e_relaxable[0] = execp->a_relaxable;
}

#endif	/* 0 */

static bfd_target *
os9k_object_p (abfd)
     bfd *abfd;
{
  struct internal_exec anexec;
  mh_com exec_bytes;

  if (bfd_read ((PTR) & exec_bytes, MHCOM_BYTES_SIZE, 1, abfd)
      != MHCOM_BYTES_SIZE)
    {
      if (bfd_get_error () != bfd_error_system_call)
	bfd_set_error (bfd_error_wrong_format);
      return 0;
    }

  anexec.a_info = bfd_h_get_16 (abfd, exec_bytes.m_sync);
  if (N_BADMAG (anexec))
    {
      bfd_set_error (bfd_error_wrong_format);
      return 0;
    }

  if (! os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec))
    {
      if (bfd_get_error () != bfd_error_system_call)
	bfd_set_error (bfd_error_wrong_format);
      return NULL;
    }
  return aout_32_some_aout_object_p (abfd, &anexec, os9k_callback);
}


/* Finish up the opening of a b.out file for reading.  Fill in all the
   fields that are not handled by common code.  */

static bfd_target *
os9k_callback (abfd)
     bfd *abfd;
{
  struct internal_exec *execp = exec_hdr (abfd);
  unsigned long bss_start;

  /* Architecture and machine type */
  bfd_set_arch_mach (abfd, bfd_arch_i386, 0);

  /* The positions of the string table and symbol table.  */
  obj_str_filepos (abfd) = 0;
  obj_sym_filepos (abfd) = 0;

  /* The alignments of the sections */
  obj_textsec (abfd)->alignment_power = execp->a_talign;
  obj_datasec (abfd)->alignment_power = execp->a_dalign;
  obj_bsssec (abfd)->alignment_power = execp->a_balign;

  /* The starting addresses of the sections.  */
  obj_textsec (abfd)->vma = execp->a_tload;
  obj_datasec (abfd)->vma = execp->a_dload;

  /* And reload the sizes, since the aout module zaps them */
  obj_textsec (abfd)->_raw_size = execp->a_text;

  bss_start = execp->a_dload + execp->a_data;	/* BSS = end of data section */
  obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign);

  /* The file positions of the sections */
  obj_textsec (abfd)->filepos = execp->a_entry;
  obj_datasec (abfd)->filepos = execp->a_dload;

  /* The file positions of the relocation info ***
  obj_textsec (abfd)->rel_filepos = N_TROFF(*execp);
  obj_datasec (abfd)->rel_filepos =  N_DROFF(*execp);
  */

  adata (abfd).page_size = 1;	/* Not applicable. */
  adata (abfd).segment_size = 1;/* Not applicable. */
  adata (abfd).exec_bytes_size = MHCOM_BYTES_SIZE;

  return abfd->xvec;
}

#if 0
struct bout_data_struct
{
  struct aoutdata a;
  struct internal_exec e;
};

static boolean
os9k_mkobject (abfd)
     bfd *abfd;
{
  struct bout_data_struct *rawptr;

  rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct));
  if (rawptr == NULL)
    {
      bfd_set_error (bfd_error_no_memory);
      return false;
    }

  abfd->tdata.bout_data = rawptr;
  exec_hdr (abfd) = &rawptr->e;

  /* For simplicity's sake we just make all the sections right here. */
  obj_textsec (abfd) = (asection *) NULL;
  obj_datasec (abfd) = (asection *) NULL;
  obj_bsssec (abfd) = (asection *) NULL;

  bfd_make_section (abfd, ".text");
  bfd_make_section (abfd, ".data");
  bfd_make_section (abfd, ".bss");

  return true;
}

static boolean
os9k_write_object_contents (abfd)
     bfd *abfd;
{
  struct external_exec swapped_hdr;

  exec_hdr (abfd)->a_info = BMAGIC;

  exec_hdr (abfd)->a_text = obj_textsec (abfd)->_raw_size;
  exec_hdr (abfd)->a_data = obj_datasec (abfd)->_raw_size;
  exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->_raw_size;
  exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
  exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd);
  exec_hdr (abfd)->a_trsize = ((obj_textsec (abfd)->reloc_count) *
			       sizeof (struct relocation_info));
  exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) *
			       sizeof (struct relocation_info));

  exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power;
  exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power;
  exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power;

  exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma;
  exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma;

  bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr);

  if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
      || (bfd_write ((PTR) & swapped_hdr, 1, EXEC_BYTES_SIZE, abfd)
	  != EXEC_BYTES_SIZE))
    return false;

  /* Now write out reloc info, followed by syms and strings */
  if (bfd_get_symcount (abfd) != 0)
    {
      if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*exec_hdr (abfd))), SEEK_SET)
	  != 0)
	return false;

      if (!aout_32_write_syms (abfd))
	return false;

      if (bfd_seek (abfd, (file_ptr) (N_TROFF (*exec_hdr (abfd))), SEEK_SET)
	  != 0)
	return false;

      if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd)))
	return false;
      if (bfd_seek (abfd, (file_ptr) (N_DROFF (*exec_hdr (abfd))), SEEK_SET)
	  != 0)
	return false;

      if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd)))
	return false;
    }
  return true;
}
\f
static boolean
os9k_set_section_contents (abfd, section, location, offset, count)
     bfd *abfd;
     sec_ptr section;
     unsigned char *location;
     file_ptr offset;
     int count;
{

  if (abfd->output_has_begun == false)
    {				/* set by bfd.c handler */
      if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL)	/*||
	          (obj_textsec (abfd)->_cooked_size == 0) || (obj_datasec (abfd)->_cooked_size == 0)*/ )
	{
	  bfd_set_error (bfd_error_invalid_operation);
	  return false;
	}

      obj_textsec (abfd)->filepos = sizeof (struct internal_exec);
      obj_datasec (abfd)->filepos = obj_textsec (abfd)->filepos
	+ obj_textsec (abfd)->_raw_size;

    }
  /* regardless, once we know what we're doing, we might as well get going */
  if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
    return false;

  if (count != 0)
    {
      return (bfd_write ((PTR) location, 1, count, abfd) == count) ? true : false;
    }
  return true;
}
#endif	/* 0 */

static int
os9k_sizeof_headers (ignore_abfd, ignore)
     bfd *ignore_abfd;
     boolean ignore;
{
  return sizeof (struct internal_exec);
}


/***********************************************************************/

#define aout_32_close_and_cleanup aout_32_bfd_free_cached_info

#define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol

#define aout_32_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup

#define os9k_bfd_get_relocated_section_contents \
  bfd_generic_get_relocated_section_contents
#define os9k_bfd_relax_section bfd_generic_relax_section
#define os9k_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
#define os9k_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define os9k_bfd_final_link _bfd_generic_final_link

bfd_target i386os9k_vec =
{
  "i386os9k",			/* name */
  bfd_target_os9k_flavour,
  false,			/* data byte order is little */
  false,			/* hdr byte order is big */
  (HAS_RELOC | EXEC_P | WP_TEXT),	/* object flags */
  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD),	/* section flags */
  0,				/* symbol leading char */
  ' ',				/* ar_pad_char */
  16,				/* ar_max_namelen */
  2,				/* minumum alignment power */

  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* data */
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* hdrs */
  {_bfd_dummy_target, os9k_object_p,	/* bfd_check_format */
   bfd_generic_archive_p, _bfd_dummy_target},
  {bfd_false, bfd_false,	/* bfd_set_format */
   _bfd_generic_mkarchive, bfd_false},
  {bfd_false, bfd_false,	/* bfd_write_contents */
   _bfd_write_archive_contents, bfd_false},

     BFD_JUMP_TABLE_GENERIC (aout_32),
     BFD_JUMP_TABLE_COPY (_bfd_generic),
     BFD_JUMP_TABLE_CORE (_bfd_nocore),
     BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
     BFD_JUMP_TABLE_SYMBOLS (aout_32),
     BFD_JUMP_TABLE_RELOCS (aout_32),
     BFD_JUMP_TABLE_WRITE (aout_32),
     BFD_JUMP_TABLE_LINK (os9k),

  (PTR) 0,
};
Commit	Line	Data
2f88343d KH	1	/* BFD back-end for os9000 i386 binaries.
	2	Copyright 1990, 1991, 1992, 1993 1994 Free Software Foundation, Inc.
	3	Written by Cygnus Support.
	4
	5	This file is part of BFD, the Binary File Descriptor library.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	20
	21
	22	#include "bfd.h"
	23	#include "sysdep.h"
	24	#include "libbfd.h"
	25	#include "bfdlink.h"
	26	#include "libaout.h" /* BFD a.out internal data structures */
	27	#include "os9k.h"
	28
	29	static bfd_target os9k_callback PARAMS ((bfd ));
	30
	31	/* Swaps the information in an executable header taken from a raw byte
	32	stream memory image, into the internal exec_header structure. */
2baa7d54	33	boolean
9deaaaf1 ILT	34	os9k_swap_exec_header_in (abfd, raw_bytes, execp)
	35	bfd *abfd;
	36	mh_com *raw_bytes;
	37	struct internal_exec *execp;
2f88343d	38	{
9deaaaf1	39	mh_com bytes = (mh_com ) raw_bytes;
2f88343d KH	40	unsigned int dload, dmemsize, dmemstart;
	41
	42	/* Now fill in fields in the execp, from the bytes in the raw data. */
9deaaaf1 ILT	43	execp->a_info = bfd_h_get_16 (abfd, bytes->m_sync);
	44	execp->a_syms = 0;
	45	execp->a_entry = bfd_h_get_32 (abfd, bytes->m_exec);
2f88343d KH	46	execp->a_talign = 2;
	47	execp->a_dalign = 2;
	48	execp->a_balign = 2;
	49
9deaaaf1	50	dload = bfd_h_get_32 (abfd, bytes->m_idata);
2f88343d KH	51	execp->a_data = dload + 8;
2f88343d KH	52
2baa7d54 ILT	53	if (bfd_seek (abfd, (file_ptr) dload, SEEK_SET) != 0
	54	\|\| (bfd_read (&dmemstart, sizeof (dmemstart), 1, abfd)
	55	!= sizeof (dmemstart))
	56	\|\| (bfd_read (&dmemsize, sizeof (dmemsize), 1, abfd)
	57	!= sizeof (dmemsize)))
	58	return false;
2f88343d	59
9deaaaf1 ILT	60	execp->a_tload = 0;
9deaaaf1 ILT	61	execp->a_dload = bfd_h_get_32 (abfd, (unsigned char *) &dmemstart);
2f88343d	62	execp->a_text = dload - execp->a_tload;
9deaaaf1	63	execp->a_data = bfd_h_get_32 (abfd, (unsigned char *) &dmemsize);
2f88343d KH	64	execp->a_bss = bfd_h_get_32 (abfd, bytes->m_data) - execp->a_data;
	65
	66	execp->a_trsize = 0;
	67	execp->a_drsize = 0;
2baa7d54 ILT	68
2baa7d54 ILT	69	return true;
2f88343d KH	70	}
	71
	72	#if 0
	73	/* Swaps the information in an internal exec header structure into the
	74	supplied buffer ready for writing to disk. */
	75
9deaaaf1 ILT	76	PROTO (void, os9k_swap_exec_header_out,
	77	(bfd * abfd,
	78	struct internal_exec * execp,
	79	struct mh_com * raw_bytes));
2f88343d	80	void
9deaaaf1 ILT	81	os9k_swap_exec_header_out (abfd, execp, raw_bytes)
	82	bfd *abfd;
	83	struct internal_exec *execp;
	84	mh_com *raw_bytes;
2f88343d	85	{
9deaaaf1	86	mh_com bytes = (mh_com ) raw_bytes;
2f88343d KH	87
2f88343d KH	88	/* Now fill in fields in the raw data, from the fields in the exec struct. */
9deaaaf1 ILT	89	bfd_h_put_32 (abfd, execp->a_info, bytes->e_info);
	90	bfd_h_put_32 (abfd, execp->a_text, bytes->e_text);
	91	bfd_h_put_32 (abfd, execp->a_data, bytes->e_data);
	92	bfd_h_put_32 (abfd, execp->a_bss, bytes->e_bss);
	93	bfd_h_put_32 (abfd, execp->a_syms, bytes->e_syms);
	94	bfd_h_put_32 (abfd, execp->a_entry, bytes->e_entry);
2f88343d KH	95	bfd_h_put_32 (abfd, execp->a_trsize, bytes->e_trsize);
2f88343d KH	96	bfd_h_put_32 (abfd, execp->a_drsize, bytes->e_drsize);
9deaaaf1 ILT	97	bfd_h_put_32 (abfd, execp->a_tload, bytes->e_tload);
9deaaaf1 ILT	98	bfd_h_put_32 (abfd, execp->a_dload, bytes->e_dload);
2f88343d KH	99	bytes->e_talign[0] = execp->a_talign;
	100	bytes->e_dalign[0] = execp->a_dalign;
	101	bytes->e_balign[0] = execp->a_balign;
	102	bytes->e_relaxable[0] = execp->a_relaxable;
	103	}
9deaaaf1 ILT	104
9deaaaf1 ILT	105	#endif /* 0 */
2f88343d KH	106
	107	static bfd_target *
	108	os9k_object_p (abfd)
	109	bfd *abfd;
	110	{
	111	struct internal_exec anexec;
	112	mh_com exec_bytes;
	113
9deaaaf1 ILT	114	if (bfd_read ((PTR) & exec_bytes, MHCOM_BYTES_SIZE, 1, abfd)
	115	!= MHCOM_BYTES_SIZE)
	116	{
2baa7d54 ILT	117	if (bfd_get_error () != bfd_error_system_call)
2baa7d54 ILT	118	bfd_set_error (bfd_error_wrong_format);
9deaaaf1 ILT	119	return 0;
9deaaaf1 ILT	120	}
2f88343d KH	121
2f88343d KH	122	anexec.a_info = bfd_h_get_16 (abfd, exec_bytes.m_sync);
9deaaaf1 ILT	123	if (N_BADMAG (anexec))
	124	{
	125	bfd_set_error (bfd_error_wrong_format);
	126	return 0;
	127	}
2f88343d	128
2baa7d54 ILT	129	if (! os9k_swap_exec_header_in (abfd, &exec_bytes, &anexec))
	130	{
	131	if (bfd_get_error () != bfd_error_system_call)
	132	bfd_set_error (bfd_error_wrong_format);
	133	return NULL;
	134	}
2f88343d KH	135	return aout_32_some_aout_object_p (abfd, &anexec, os9k_callback);
	136	}
	137
	138
	139	/* Finish up the opening of a b.out file for reading. Fill in all the
	140	fields that are not handled by common code. */
	141
	142	static bfd_target *
	143	os9k_callback (abfd)
	144	bfd *abfd;
	145	{
	146	struct internal_exec *execp = exec_hdr (abfd);
	147	unsigned long bss_start;
	148
	149	/* Architecture and machine type */
9deaaaf1	150	bfd_set_arch_mach (abfd, bfd_arch_i386, 0);
2f88343d KH	151
	152	/* The positions of the string table and symbol table. */
	153	obj_str_filepos (abfd) = 0;
	154	obj_sym_filepos (abfd) = 0;
	155
	156	/* The alignments of the sections */
	157	obj_textsec (abfd)->alignment_power = execp->a_talign;
	158	obj_datasec (abfd)->alignment_power = execp->a_dalign;
9deaaaf1	159	obj_bsssec (abfd)->alignment_power = execp->a_balign;
2f88343d KH	160
	161	/* The starting addresses of the sections. */
	162	obj_textsec (abfd)->vma = execp->a_tload;
	163	obj_datasec (abfd)->vma = execp->a_dload;
	164
	165	/* And reload the sizes, since the aout module zaps them */
	166	obj_textsec (abfd)->_raw_size = execp->a_text;
	167
9deaaaf1	168	bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section */
2f88343d KH	169	obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign);
	170
	171	/* The file positions of the sections */
	172	obj_textsec (abfd)->filepos = execp->a_entry;
	173	obj_datasec (abfd)->filepos = execp->a_dload;
	174
	175	/* The file positions of the relocation info ***
	176	obj_textsec (abfd)->rel_filepos = N_TROFF(*execp);
	177	obj_datasec (abfd)->rel_filepos = N_DROFF(*execp);
	178	*/
	179
9deaaaf1 ILT	180	adata (abfd).page_size = 1; /* Not applicable. */
	181	adata (abfd).segment_size = 1;/* Not applicable. */
	182	adata (abfd).exec_bytes_size = MHCOM_BYTES_SIZE;
2f88343d KH	183
	184	return abfd->xvec;
	185	}
	186
	187	#if 0
9deaaaf1 ILT	188	struct bout_data_struct
	189	{
	190	struct aoutdata a;
	191	struct internal_exec e;
2f88343d KH	192	};
	193
	194	static boolean
	195	os9k_mkobject (abfd)
	196	bfd *abfd;
	197	{
	198	struct bout_data_struct *rawptr;
	199
	200	rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct));
9deaaaf1 ILT	201	if (rawptr == NULL)
9deaaaf1 ILT	202	{
bb37e716	203	bfd_set_error (bfd_error_no_memory);
2f88343d KH	204	return false;
	205	}
	206
	207	abfd->tdata.bout_data = rawptr;
	208	exec_hdr (abfd) = &rawptr->e;
	209
	210	/* For simplicity's sake we just make all the sections right here. */
9deaaaf1 ILT	211	obj_textsec (abfd) = (asection *) NULL;
	212	obj_datasec (abfd) = (asection *) NULL;
	213	obj_bsssec (abfd) = (asection *) NULL;
2f88343d KH	214
	215	bfd_make_section (abfd, ".text");
	216	bfd_make_section (abfd, ".data");
	217	bfd_make_section (abfd, ".bss");
	218
	219	return true;
	220	}
	221
	222	static boolean
	223	os9k_write_object_contents (abfd)
	224	bfd *abfd;
	225	{
	226	struct external_exec swapped_hdr;
	227
	228	exec_hdr (abfd)->a_info = BMAGIC;
	229
	230	exec_hdr (abfd)->a_text = obj_textsec (abfd)->_raw_size;
	231	exec_hdr (abfd)->a_data = obj_datasec (abfd)->_raw_size;
	232	exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->_raw_size;
	233	exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
	234	exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd);
	235	exec_hdr (abfd)->a_trsize = ((obj_textsec (abfd)->reloc_count) *
9deaaaf1	236	sizeof (struct relocation_info));
2f88343d	237	exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) *
9deaaaf1	238	sizeof (struct relocation_info));
2f88343d KH	239
	240	exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power;
	241	exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power;
	242	exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power;
	243
	244	exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma;
	245	exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma;
	246
	247	bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr);
	248
2baa7d54 ILT	249	if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
	250	\|\| (bfd_write ((PTR) & swapped_hdr, 1, EXEC_BYTES_SIZE, abfd)
	251	!= EXEC_BYTES_SIZE))
	252	return false;
2f88343d KH	253
2f88343d KH	254	/* Now write out reloc info, followed by syms and strings */
9deaaaf1	255	if (bfd_get_symcount (abfd) != 0)
2f88343d	256	{
2baa7d54 ILT	257	if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*exec_hdr (abfd))), SEEK_SET)
	258	!= 0)
	259	return false;
2f88343d	260
9deaaaf1	261	if (!aout_32_write_syms (abfd))
2f88343d KH	262	return false;
2f88343d KH	263
2baa7d54 ILT	264	if (bfd_seek (abfd, (file_ptr) (N_TROFF (*exec_hdr (abfd))), SEEK_SET)
	265	!= 0)
	266	return false;
2f88343d	267
9deaaaf1 ILT	268	if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd)))
9deaaaf1 ILT	269	return false;
2baa7d54 ILT	270	if (bfd_seek (abfd, (file_ptr) (N_DROFF (*exec_hdr (abfd))), SEEK_SET)
	271	!= 0)
	272	return false;
2f88343d	273
9deaaaf1 ILT	274	if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd)))
9deaaaf1 ILT	275	return false;
2f88343d KH	276	}
	277	return true;
	278	}
	279	\f
	280	static boolean
	281	os9k_set_section_contents (abfd, section, location, offset, count)
	282	bfd *abfd;
	283	sec_ptr section;
	284	unsigned char *location;
	285	file_ptr offset;
9deaaaf1	286	int count;
2f88343d KH	287	{
2f88343d KH	288
9deaaaf1 ILT	289	if (abfd->output_has_begun == false)
	290	{ /* set by bfd.c handler */
	291	if ((obj_textsec (abfd) == NULL) \|\| (obj_datasec (abfd) == NULL) /*\|\|
	292	(obj_textsec (abfd)->_cooked_size == 0) \|\| (obj_datasec (abfd)->_cooked_size == 0)*/ )
	293	{
	294	bfd_set_error (bfd_error_invalid_operation);
	295	return false;
	296	}
2f88343d	297
9deaaaf1 ILT	298	obj_textsec (abfd)->filepos = sizeof (struct internal_exec);
	299	obj_datasec (abfd)->filepos = obj_textsec (abfd)->filepos
	300	+ obj_textsec (abfd)->_raw_size;
2f88343d	301
9deaaaf1	302	}
2f88343d	303	/* regardless, once we know what we're doing, we might as well get going */
2baa7d54 ILT	304	if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
2baa7d54 ILT	305	return false;
2f88343d	306
9deaaaf1 ILT	307	if (count != 0)
	308	{
	309	return (bfd_write ((PTR) location, 1, count, abfd) == count) ? true : false;
	310	}
2f88343d KH	311	return true;
2f88343d KH	312	}
9deaaaf1	313	#endif /* 0 */
2f88343d	314
9deaaaf1 ILT	315	static int
	316	os9k_sizeof_headers (ignore_abfd, ignore)
	317	bfd *ignore_abfd;
	318	boolean ignore;
2f88343d	319	{
9deaaaf1	320	return sizeof (struct internal_exec);
2f88343d KH	321	}
	322
	323
	324	/***********************************************************************/
	325
5c8444f8	326	#define aout_32_close_and_cleanup aout_32_bfd_free_cached_info
2f88343d	327
6812b607 ILT	328	#define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
	329
	330	#define aout_32_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
	331
	332	#define os9k_bfd_get_relocated_section_contents \
	333	bfd_generic_get_relocated_section_contents
	334	#define os9k_bfd_relax_section bfd_generic_relax_section
	335	#define os9k_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
	336	#define os9k_bfd_link_add_symbols _bfd_generic_link_add_symbols
	337	#define os9k_bfd_final_link _bfd_generic_final_link
	338
2f88343d KH	339	bfd_target i386os9k_vec =
2f88343d KH	340	{
9deaaaf1	341	"i386os9k", /* name */
2f88343d	342	bfd_target_os9k_flavour,
9deaaaf1 ILT	343	false, /* data byte order is little */
9deaaaf1 ILT	344	false, /* hdr byte order is big */
2f88343d	345	(HAS_RELOC \| EXEC_P \| WP_TEXT), /* object flags */
9deaaaf1 ILT	346	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD), /* section flags */
	347	0, /* symbol leading char */
	348	' ', /* ar_pad_char */
	349	16, /* ar_max_namelen */
	350	2, /* minumum alignment power */
2f88343d KH	351
2f88343d KH	352	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
9deaaaf1 ILT	353	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
9deaaaf1 ILT	354	bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
2f88343d	355	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
9deaaaf1 ILT	356	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	357	bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
	358	{_bfd_dummy_target, os9k_object_p, /* bfd_check_format */
2f88343d	359	bfd_generic_archive_p, _bfd_dummy_target},
9deaaaf1	360	{bfd_false, bfd_false, /* bfd_set_format */
2f88343d	361	_bfd_generic_mkarchive, bfd_false},
9deaaaf1	362	{bfd_false, bfd_false, /* bfd_write_contents */
2f88343d KH	363	_bfd_write_archive_contents, bfd_false},
2f88343d KH	364
6812b607 ILT	365	BFD_JUMP_TABLE_GENERIC (aout_32),
	366	BFD_JUMP_TABLE_COPY (_bfd_generic),
	367	BFD_JUMP_TABLE_CORE (_bfd_nocore),
	368	BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
	369	BFD_JUMP_TABLE_SYMBOLS (aout_32),
	370	BFD_JUMP_TABLE_RELOCS (aout_32),
	371	BFD_JUMP_TABLE_WRITE (aout_32),
	372	BFD_JUMP_TABLE_LINK (os9k),
	373
2f88343d KH	374	(PTR) 0,
2f88343d KH	375	};