mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-26 03:24:41 +08:00
462 lines
9.7 KiB
C
462 lines
9.7 KiB
C
/* 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;
|
||
}
|