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binutils-gdb/bfd/evax-emh.c

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/* evax-emh.c -- BFD back-end for ALPHA EVAX (openVMS/AXP) files.
Copyright 1996 Free Software Foundation, Inc.
EMH record handling functions
and
EEOM record handling functions
Written by Klaus Kämpf (kkaempf@progis.de)
of proGIS Softwareentwicklung, Aachen, Germany
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "evax.h"
/*---------------------------------------------------------------------------*/
/* Read & process emh record
return 0 on success, -1 on error */
int
_bfd_evax_slurp_emh (abfd)
bfd *abfd;
{
unsigned char *ptr;
unsigned char *evax_rec;
evax_rec = PRIV(evax_rec);
#if EVAX_DEBUG
evax_debug(2, "EMH\n");
#endif
switch (bfd_getl16 (evax_rec + 4))
{
case EMH_S_C_MHD:
/*
* module header
*/
PRIV(emh_data).emh_b_strlvl = evax_rec[6];
PRIV(emh_data).emh_l_arch1 = bfd_getl32 (evax_rec + 8);
PRIV(emh_data).emh_l_arch2 = bfd_getl32 (evax_rec + 12);
PRIV(emh_data).emh_l_recsiz = bfd_getl32 (evax_rec + 16);
PRIV(emh_data).emh_t_name =
_bfd_evax_save_counted_string ((char *)evax_rec + 20);
ptr = evax_rec + 20 + evax_rec[20] + 1;
PRIV(emh_data).emh_t_version =
_bfd_evax_save_counted_string ((char *)ptr);
ptr += *ptr + 1;
PRIV(emh_data).emh_t_date =
_bfd_evax_save_sized_string ((char *)ptr, 17);
break;
case EMH_S_C_LNM:
/*
*
*/
PRIV(emh_data).emh_c_lnm =
_bfd_evax_save_sized_string ((char *)evax_rec, PRIV(rec_length-6));
break;
case EMH_S_C_SRC:
/*
*
*/
PRIV(emh_data).emh_c_src =
_bfd_evax_save_sized_string ((char *)evax_rec, PRIV(rec_length-6));
break;
case EMH_S_C_TTL:
/*
*
*/
PRIV(emh_data).emh_c_ttl =
_bfd_evax_save_sized_string ((char *)evax_rec, PRIV(rec_length-6));
break;
case EMH_S_C_CPR:
/*
*
*/
break;
case EMH_S_C_MTC:
/*
*
*/
break;
case EMH_S_C_GTX:
/*
*
*/
break;
default:
bfd_set_error (bfd_error_wrong_format);
return -1;
} /* switch */
return 0;
}
/* write object header for bfd abfd */
int
_bfd_evax_write_emh (abfd)
bfd *abfd;
{
char *name;
#if EVAX_DEBUG
evax_debug (2, "evax_write_emh(%p)\n", abfd);
#endif
_bfd_evax_output_alignment (abfd, 2);
/* MHD */
_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_MHD);
_bfd_evax_output_short (abfd, EOBJ_S_C_STRLVL);
_bfd_evax_output_long (abfd, 0);
_bfd_evax_output_long (abfd, 0);
_bfd_evax_output_long (abfd, MAX_OUTREC_SIZE);
if (bfd_get_filename (abfd) != NULL)
{
name = strdup (bfd_get_filename (abfd));
_bfd_evax_output_counted (abfd, _bfd_evax_basename (name));
}
else
_bfd_evax_output_counted (abfd, "NONAME");
_bfd_evax_output_counted (abfd, BFD_VERSION);
_bfd_evax_output_dump (abfd, (unsigned char *)_bfd_get_vms_time_string (),
17);
_bfd_evax_output_fill (abfd, 0, 17);
_bfd_evax_output_flush (abfd);
/* LMN */
_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_LNM);
_bfd_evax_output_dump (abfd, (unsigned char *)"GAS proGIS", 10);
_bfd_evax_output_flush (abfd);
/* SRC */
_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_SRC);
if (PRIV(filename) != 0)
_bfd_evax_output_dump (abfd, (unsigned char *)PRIV(filename), strlen (PRIV(filename)));
else
_bfd_evax_output_dump (abfd, (unsigned char *)"noname", 6);
_bfd_evax_output_flush (abfd);
/* TTL */
_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_TTL);
_bfd_evax_output_dump (abfd, (unsigned char *)"TTL", 3);
_bfd_evax_output_flush (abfd);
/* CPR */
_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_CPR);
_bfd_evax_output_dump (abfd,
(unsigned char *)"GNU BFD ported by Klaus Kämpf 1994-1996",
39);
_bfd_evax_output_flush (abfd);
return 0;
}
/*-----------------------------------------------------------------------------*/
/* Process EEOM record
return 0 on success, -1 on error */
int
_bfd_evax_slurp_eeom (abfd)
bfd *abfd;
{
unsigned char *evax_rec;
#if EVAX_DEBUG
evax_debug(2, "EEOM\n");
#endif
evax_rec = PRIV(evax_rec);
PRIV(eeom_data).eeom_l_total_lps = bfd_getl32 (evax_rec + 4);
PRIV(eeom_data).eeom_b_comcod = *(evax_rec + 8);
if (PRIV(eeom_data).eeom_b_comcod > 1)
{
(*_bfd_error_handler) ("Object module NOT error-free !\n");
bfd_set_error (bfd_error_bad_value);
return -1;
}
PRIV(eeom_data).eeom_has_transfer = false;
if (PRIV(rec_size) > 10)
{
PRIV(eeom_data).eeom_has_transfer = true;
PRIV(eeom_data).eeom_b_tfrflg = *(evax_rec + 9);
PRIV(eeom_data).eeom_l_psindx = bfd_getl32 (evax_rec + 12);
PRIV(eeom_data).eeom_l_tfradr = bfd_getl32 (evax_rec + 16);
abfd->start_address = PRIV(eeom_data).eeom_l_tfradr;
}
return 0;
}
/* Write eom record for bfd abfd */
int
_bfd_evax_write_eeom (abfd)
bfd *abfd;
{
#if EVAX_DEBUG
evax_debug (2, "evax_write_eeom(%p)\n", abfd);
#endif
_bfd_evax_output_begin (abfd,EOBJ_S_C_EEOM, -1);
_bfd_evax_output_long (abfd, (unsigned long)(PRIV(evax_linkage_index) >> 1));
_bfd_evax_output_byte (abfd, 0); /* completion code */
_bfd_evax_output_byte (abfd, 0); /* fill byte */
if (bfd_get_start_address (abfd) != (bfd_vma)-1)
{
asection *section;
section = bfd_get_section_by_name (abfd, ".link");
if (section == 0)
{
bfd_set_error (bfd_error_nonrepresentable_section);
return -1;
}
_bfd_evax_output_short (abfd, 0);
_bfd_evax_output_long (abfd, (unsigned long)(section->index));
_bfd_evax_output_long (abfd,
(unsigned long) bfd_get_start_address (abfd));
_bfd_evax_output_long (abfd, 0);
}
_bfd_evax_output_end (abfd);
return 0;
}
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