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binutils-gdb/bfd/vms-hdr.c

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19990502 sourceware import
1999-05-03 09:29:11 +02:00
/* vms-hdr.c -- BFD back-end for VMS/VAX (openVMS/VAX) and
EVAX (openVMS/Alpha) files.
Copyright 1996, 1997, 1998 Free Software Foundation, Inc.
HDR record handling functions
EMH record handling functions
and
EOM record handling functions
EEOM record handling functions
Written by Klaus K"ampf (kkaempf@rmi.de)
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 <ctype.h>
#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "vms.h"
/*---------------------------------------------------------------------------*/
/* Read & process emh record
return 0 on success, -1 on error */
int
_bfd_vms_slurp_hdr (abfd, objtype)
bfd *abfd;
int objtype;
{
unsigned char *ptr;
unsigned char *vms_rec;
int subtype;
vms_rec = PRIV(vms_rec);
#if VMS_DEBUG
vms_debug(2, "HDR/EMH\n");
#endif
switch (objtype)
{
case OBJ_S_C_HDR:
subtype = vms_rec[1];
break;
case EOBJ_S_C_EMH:
subtype = bfd_getl16 (vms_rec + 4) + EVAX_OFFSET;
break;
default:
subtype = -1;
}
#if VMS_DEBUG
vms_debug(3, "subtype %d\n", subtype);
#endif
switch (subtype)
{
case MHD_S_C_MHD:
/*
* module header
*/
PRIV(hdr_data).hdr_b_strlvl = vms_rec[2];
PRIV(hdr_data).hdr_l_recsiz = bfd_getl16 (vms_rec + 3);
PRIV(hdr_data).hdr_t_name = _bfd_vms_save_counted_string (vms_rec + 5);
ptr = vms_rec + 5 + vms_rec[5] + 1;
PRIV(hdr_data).hdr_t_version = _bfd_vms_save_counted_string (ptr);
ptr += *ptr + 1;
PRIV(hdr_data).hdr_t_date = _bfd_vms_save_sized_string (ptr, 17);
break;
case MHD_S_C_LNM:
/*
*
*/
PRIV(hdr_data).hdr_c_lnm = _bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-2));
break;
case MHD_S_C_SRC:
/*
*
*/
PRIV(hdr_data).hdr_c_src = _bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-2));
break;
case MHD_S_C_TTL:
/*
*
*/
PRIV(hdr_data).hdr_c_ttl = _bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-2));
break;
case MHD_S_C_CPR:
/*
*
*/
break;
case MHD_S_C_MTC:
/*
*
*/
break;
case MHD_S_C_GTX:
/*
*
*/
break;
case EMH_S_C_MHD + EVAX_OFFSET:
/*
* module header
*/
PRIV(hdr_data).hdr_b_strlvl = vms_rec[6];
PRIV(hdr_data).hdr_l_arch1 = bfd_getl32 (vms_rec + 8);
PRIV(hdr_data).hdr_l_arch2 = bfd_getl32 (vms_rec + 12);
PRIV(hdr_data).hdr_l_recsiz = bfd_getl32 (vms_rec + 16);
PRIV(hdr_data).hdr_t_name =
_bfd_vms_save_counted_string (vms_rec + 20);
ptr = vms_rec + 20 + vms_rec[20] + 1;
PRIV(hdr_data).hdr_t_version =
_bfd_vms_save_counted_string (ptr);
ptr += *ptr + 1;
PRIV(hdr_data).hdr_t_date =
_bfd_vms_save_sized_string (ptr, 17);
break;
case EMH_S_C_LNM + EVAX_OFFSET:
/*
*
*/
PRIV(hdr_data).hdr_c_lnm =
_bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-6));
break;
case EMH_S_C_SRC + EVAX_OFFSET:
/*
*
*/
PRIV(hdr_data).hdr_c_src =
_bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-6));
break;
case EMH_S_C_TTL + EVAX_OFFSET:
/*
*
*/
PRIV(hdr_data).hdr_c_ttl =
_bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-6));
break;
case EMH_S_C_CPR + EVAX_OFFSET:
/*
*
*/
break;
case EMH_S_C_MTC + EVAX_OFFSET:
/*
*
*/
break;
case EMH_S_C_GTX + EVAX_OFFSET:
/*
*
*/
break;
default:
bfd_set_error (bfd_error_wrong_format);
return -1;
} /* switch */
return 0;
}
/*-----------------------------------------------------------------------------*/
/* Output routines. */
/* Manufacure a VMS like time on a unix based system.
stolen from obj-vms.c */
static unsigned char *
get_vms_time_string ()
{
static unsigned char tbuf[18];
#ifndef VMS
#include <time.h>
char *pnt;
time_t timeb;
time (&timeb);
pnt = ctime (&timeb);
pnt[3] = 0;
pnt[7] = 0;
pnt[10] = 0;
pnt[16] = 0;
pnt[24] = 0;
sprintf (tbuf, "%2s-%3s-%s %s", pnt + 8, pnt + 4, pnt + 20, pnt + 11);
#else
#include <starlet.h>
struct
{
int Size;
unsigned char *Ptr;
} Descriptor;
Descriptor.Size = 17;
Descriptor.Ptr = tbuf;
SYS$ASCTIM (0, &Descriptor, 0, 0);
#endif /* not VMS */
#if VMS_DEBUG
vms_debug (6, "vmstimestring:'%s'\n", tbuf);
#endif
return tbuf;
}
/* write object header for bfd abfd */
int
_bfd_vms_write_hdr (abfd, objtype)
bfd *abfd;
int objtype;
{
asymbol *symbol;
int symnum;
int had_case = 0;
int had_file = 0;
#if VMS_DEBUG
vms_debug (2, "vms_write_hdr (%p)\n", abfd);
#endif
_bfd_vms_output_alignment (abfd, 2);
/* MHD */
if (objtype == OBJ_S_C_HDR)
{
}
else
{
_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_MHD);
_bfd_vms_output_short (abfd, EOBJ_S_C_STRLVL);
_bfd_vms_output_long (abfd, 0);
_bfd_vms_output_long (abfd, 0);
_bfd_vms_output_long (abfd, MAX_OUTREC_SIZE);
}
if (bfd_get_filename (abfd) != 0)
{
/* strip path and suffix information */
char *fname, *fout, *fptr;
fptr = bfd_get_filename (abfd);
fname = (char *) alloca (strlen (fptr) + 1);
strcpy (fname, fptr);
fout = strrchr (fname, ']');
if (fout == 0)
fout = strchr (fname, ':');
if (fout != 0)
fout++;
else
fout = fname;
/* strip .obj suffix */
fptr = strrchr (fname, '.');
if ((fptr != 0)
&& (strcasecmp (fptr, ".OBJ") == 0))
*fptr = 0;
fptr = fout;
while (*fptr != 0)
{
if (islower (*fptr))
*fptr = toupper (*fptr);
fptr++;
if ((*fptr == ';')
|| ((fptr - fout) > 31))
*fptr = 0;
}
_bfd_vms_output_counted (abfd, fout);
}
else
_bfd_vms_output_counted (abfd, "NONAME");
_bfd_vms_output_counted (abfd, BFD_VERSION);
_bfd_vms_output_dump (abfd, get_vms_time_string (), 17);
_bfd_vms_output_fill (abfd, 0, 17);
_bfd_vms_output_flush (abfd);
/* LMN */
_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_LNM);
_bfd_vms_output_dump (abfd, (unsigned char *)"GAS proGIS", 10);
_bfd_vms_output_flush (abfd);
/* SRC */
_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_SRC);
for (symnum = 0; symnum < abfd->symcount; symnum++)
{
symbol = abfd->outsymbols[symnum];
if (symbol->flags & BSF_FILE)
{
char *s;
if (strncmp ((char *)symbol->name, "<CASE:", 6) == 0)
{
PRIV(flag_hash_long_names) = symbol->name[6] - '0';
PRIV(flag_show_after_trunc) = symbol->name[7] - '0';
if (had_file)
break;
had_case = 1;
continue;
}
_bfd_vms_output_dump (abfd, (unsigned char *)symbol->name, strlen (symbol->name));
if (had_case)
break;
had_file = 1;
}
}
if (symnum == abfd->symcount)
_bfd_vms_output_dump (abfd, (unsigned char *)"noname", 6);
_bfd_vms_output_flush (abfd);
/* TTL */
_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_TTL);
_bfd_vms_output_dump (abfd, (unsigned char *)"TTL", 3);
_bfd_vms_output_flush (abfd);
/* CPR */
_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_CPR);
_bfd_vms_output_dump (abfd,
(unsigned char *)"GNU BFD ported by Klaus K<>mpf 1994-1996",
39);
_bfd_vms_output_flush (abfd);
return 0;
}
/*-----------------------------------------------------------------------------*/
/* Process EOM/EEOM record
return 0 on success, -1 on error */
int
_bfd_vms_slurp_eom (abfd, objtype)
bfd *abfd;
int objtype;
{
unsigned char *vms_rec;
#if VMS_DEBUG
vms_debug(2, "EOM/EEOM\n");
#endif
vms_rec = PRIV(vms_rec);
if ((objtype == OBJ_S_C_EOM)
|| (objtype == OBJ_S_C_EOMW))
{
}
else
{
PRIV(eom_data).eom_l_total_lps = bfd_getl32 (vms_rec + 4);
PRIV(eom_data).eom_b_comcod = *(vms_rec + 8);
if (PRIV(eom_data).eom_b_comcod > 1)
{
(*_bfd_error_handler) (_("Object module NOT error-free !\n"));
bfd_set_error (bfd_error_bad_value);
return -1;
}
PRIV(eom_data).eom_has_transfer = false;
if (PRIV(rec_size) > 10)
{
PRIV(eom_data).eom_has_transfer = true;
PRIV(eom_data).eom_b_tfrflg = *(vms_rec + 9);
PRIV(eom_data).eom_l_psindx = bfd_getl32 (vms_rec + 12);
PRIV(eom_data).eom_l_tfradr = bfd_getl32 (vms_rec + 16);
abfd->start_address = PRIV(eom_data).eom_l_tfradr;
}
}
return 0;
}
/* Write eom record for bfd abfd */
int
_bfd_vms_write_eom (abfd, objtype)
bfd *abfd;
int objtype;
{
#if VMS_DEBUG
vms_debug (2, "vms_write_eom (%p, %d)\n", abfd, objtype);
#endif
_bfd_vms_output_begin (abfd, objtype, -1);
_bfd_vms_output_long (abfd, (unsigned long)(PRIV(vms_linkage_index) >> 1));
_bfd_vms_output_byte (abfd, 0); /* completion code */
_bfd_vms_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_vms_output_short (abfd, 0);
_bfd_vms_output_long (abfd, (unsigned long)(section->index));
_bfd_vms_output_long (abfd,
(unsigned long) bfd_get_start_address (abfd));
_bfd_vms_output_long (abfd, 0);
}
_bfd_vms_output_end (abfd);
return 0;
}