375 lines
8.2 KiB
C
375 lines
8.2 KiB
C
/* evax-emh.c -- BFD back-end for ALPHA EVAX (openVMS/Alpha) files.
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Copyright 1996, 1997 Free Software Foundation, Inc.
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EMH record handling functions
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and
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EEOM record handling functions
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Written by Klaus K"ampf (kkaempf@progis.de)
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of proGIS Softwareentwicklung, Aachen, Germany
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include <stdio.h>
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#include <ctype.h>
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#include "bfd.h"
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#include "sysdep.h"
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#include "bfdlink.h"
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#include "libbfd.h"
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#include "evax.h"
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/*---------------------------------------------------------------------------*/
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/* Read & process emh record
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return 0 on success, -1 on error */
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int
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_bfd_evax_slurp_emh (abfd)
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bfd *abfd;
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{
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unsigned char *ptr;
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unsigned char *evax_rec;
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evax_rec = PRIV(evax_rec);
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#if EVAX_DEBUG
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evax_debug(2, "EMH\n");
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#endif
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switch (bfd_getl16 (evax_rec + 4))
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{
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case EMH_S_C_MHD:
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/*
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* module header
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*/
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PRIV(emh_data).emh_b_strlvl = evax_rec[6];
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PRIV(emh_data).emh_l_arch1 = bfd_getl32 (evax_rec + 8);
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PRIV(emh_data).emh_l_arch2 = bfd_getl32 (evax_rec + 12);
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PRIV(emh_data).emh_l_recsiz = bfd_getl32 (evax_rec + 16);
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PRIV(emh_data).emh_t_name =
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_bfd_evax_save_counted_string ((char *)evax_rec + 20);
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ptr = evax_rec + 20 + evax_rec[20] + 1;
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PRIV(emh_data).emh_t_version =
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_bfd_evax_save_counted_string ((char *)ptr);
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ptr += *ptr + 1;
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PRIV(emh_data).emh_t_date =
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_bfd_evax_save_sized_string ((char *)ptr, 17);
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break;
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case EMH_S_C_LNM:
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/*
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*
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*/
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PRIV(emh_data).emh_c_lnm =
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_bfd_evax_save_sized_string ((char *)evax_rec, PRIV(rec_length-6));
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break;
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case EMH_S_C_SRC:
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/*
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*
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*/
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PRIV(emh_data).emh_c_src =
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_bfd_evax_save_sized_string ((char *)evax_rec, PRIV(rec_length-6));
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break;
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case EMH_S_C_TTL:
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/*
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*
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*/
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PRIV(emh_data).emh_c_ttl =
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_bfd_evax_save_sized_string ((char *)evax_rec, PRIV(rec_length-6));
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break;
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case EMH_S_C_CPR:
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/*
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*
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*/
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break;
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case EMH_S_C_MTC:
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/*
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*
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*/
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break;
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case EMH_S_C_GTX:
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/*
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*
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*/
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break;
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default:
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bfd_set_error (bfd_error_wrong_format);
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return -1;
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} /* switch */
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return 0;
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}
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/*-----------------------------------------------------------------------------*/
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/* Output routines. */
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/* Manufacure a VMS like time on a unix based system.
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stolen from obj-vms.c */
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static unsigned char *
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get_vms_time_string ()
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{
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static unsigned char tbuf[18];
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#ifndef VMS
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#include <sys/types.h>
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#include <time.h>
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char *pnt;
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time_t timeb;
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time (&timeb);
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pnt = ctime (&timeb);
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pnt[3] = 0;
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pnt[7] = 0;
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pnt[10] = 0;
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pnt[16] = 0;
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pnt[24] = 0;
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sprintf (tbuf, "%2s-%3s-%s %s", pnt + 8, pnt + 4, pnt + 20, pnt + 11);
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#else
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#include <starlet.h>
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struct
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{
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int Size;
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unsigned char *Ptr;
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} Descriptor;
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Descriptor.Size = 17;
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Descriptor.Ptr = tbuf;
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SYS$ASCTIM (0, &Descriptor, 0, 0);
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#endif /* not VMS */
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#if EVAX_DEBUG
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evax_debug (6, "vmstimestring:'%s'\n", tbuf);
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#endif
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return tbuf;
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}
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/* write object header for bfd abfd */
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int
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_bfd_evax_write_emh (abfd)
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bfd *abfd;
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{
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asymbol *symbol;
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int symnum;
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int had_case = 0;
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int had_file = 0;
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#if EVAX_DEBUG
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evax_debug (2, "evax_write_emh(%p)\n", abfd);
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#endif
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_bfd_evax_output_alignment (abfd, 2);
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/* MHD */
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_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_MHD);
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_bfd_evax_output_short (abfd, EOBJ_S_C_STRLVL);
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_bfd_evax_output_long (abfd, 0);
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_bfd_evax_output_long (abfd, 0);
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_bfd_evax_output_long (abfd, MAX_OUTREC_SIZE);
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if (bfd_get_filename (abfd) != 0)
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{
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/* strip path and suffix information */
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char *fname, *fout, *fptr;
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fptr = bfd_get_filename (abfd);
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fname = (char *) alloca (strlen (fptr) + 1);
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strcpy (fname, fptr);
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fout = strrchr (fname, ']');
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if (fout == 0)
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fout = strchr (fname, ':');
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if (fout != 0)
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fout++;
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else
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fout = fname;
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/* strip .obj suffix */
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fptr = strrchr (fname, '.');
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if ((fptr != 0)
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&& (strcasecmp (fptr, ".OBJ") == 0))
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*fptr = 0;
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fptr = fout;
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while (*fptr != 0)
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{
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if (islower (*fptr))
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*fptr = toupper (*fptr);
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fptr++;
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if ((*fptr == ';')
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|| ((fptr - fout) > 31))
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*fptr = 0;
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}
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_bfd_evax_output_counted (abfd, fout);
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}
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else
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_bfd_evax_output_counted (abfd, "NONAME");
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_bfd_evax_output_counted (abfd, BFD_VERSION);
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_bfd_evax_output_dump (abfd, get_vms_time_string (), 17);
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_bfd_evax_output_fill (abfd, 0, 17);
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_bfd_evax_output_flush (abfd);
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/* LMN */
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_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_LNM);
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_bfd_evax_output_dump (abfd, (unsigned char *)"GAS proGIS", 10);
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_bfd_evax_output_flush (abfd);
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/* SRC */
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_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_SRC);
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for (symnum = 0; symnum < abfd->symcount; symnum++)
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{
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symbol = abfd->outsymbols[symnum];
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if (symbol->flags & BSF_FILE)
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{
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char *s;
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if (strncmp ((char *)symbol->name, "<CASE:", 6) == 0)
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{
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PRIV(flag_hash_long_names) = symbol->name[6] - '0';
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PRIV(flag_show_after_trunc) = symbol->name[7] - '0';
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if (had_file)
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break;
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had_case = 1;
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continue;
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}
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_bfd_evax_output_dump (abfd, (unsigned char *)symbol->name, strlen (symbol->name));
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if (had_case)
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break;
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had_file = 1;
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}
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}
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if (symnum == abfd->symcount)
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_bfd_evax_output_dump (abfd, (unsigned char *)"noname", 6);
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_bfd_evax_output_flush (abfd);
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/* TTL */
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_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_TTL);
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_bfd_evax_output_dump (abfd, (unsigned char *)"TTL", 3);
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_bfd_evax_output_flush (abfd);
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/* CPR */
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_bfd_evax_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_CPR);
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_bfd_evax_output_dump (abfd,
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(unsigned char *)"GNU BFD ported by Klaus K<>mpf 1994-1996",
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39);
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_bfd_evax_output_flush (abfd);
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return 0;
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}
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/*-----------------------------------------------------------------------------*/
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/* Process EEOM record
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return 0 on success, -1 on error */
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int
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_bfd_evax_slurp_eeom (abfd)
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bfd *abfd;
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{
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unsigned char *evax_rec;
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#if EVAX_DEBUG
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evax_debug(2, "EEOM\n");
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#endif
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evax_rec = PRIV(evax_rec);
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PRIV(eeom_data).eeom_l_total_lps = bfd_getl32 (evax_rec + 4);
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PRIV(eeom_data).eeom_b_comcod = *(evax_rec + 8);
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if (PRIV(eeom_data).eeom_b_comcod > 1)
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{
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(*_bfd_error_handler) ("Object module NOT error-free !\n");
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bfd_set_error (bfd_error_bad_value);
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return -1;
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}
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PRIV(eeom_data).eeom_has_transfer = false;
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if (PRIV(rec_size) > 10)
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{
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PRIV(eeom_data).eeom_has_transfer = true;
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PRIV(eeom_data).eeom_b_tfrflg = *(evax_rec + 9);
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PRIV(eeom_data).eeom_l_psindx = bfd_getl32 (evax_rec + 12);
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PRIV(eeom_data).eeom_l_tfradr = bfd_getl32 (evax_rec + 16);
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abfd->start_address = PRIV(eeom_data).eeom_l_tfradr;
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}
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return 0;
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}
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/* Write eom record for bfd abfd */
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int
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_bfd_evax_write_eeom (abfd)
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bfd *abfd;
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{
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#if EVAX_DEBUG
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evax_debug (2, "evax_write_eeom(%p)\n", abfd);
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#endif
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_bfd_evax_output_begin (abfd,EOBJ_S_C_EEOM, -1);
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_bfd_evax_output_long (abfd, (unsigned long)(PRIV(evax_linkage_index) >> 1));
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_bfd_evax_output_byte (abfd, 0); /* completion code */
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_bfd_evax_output_byte (abfd, 0); /* fill byte */
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if (bfd_get_start_address (abfd) != (bfd_vma)-1)
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{
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asection *section;
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section = bfd_get_section_by_name (abfd, ".link");
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if (section == 0)
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{
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bfd_set_error (bfd_error_nonrepresentable_section);
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return -1;
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}
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_bfd_evax_output_short (abfd, 0);
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_bfd_evax_output_long (abfd, (unsigned long)(section->index));
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_bfd_evax_output_long (abfd,
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(unsigned long) bfd_get_start_address (abfd));
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_bfd_evax_output_long (abfd, 0);
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}
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_bfd_evax_output_end (abfd);
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return 0;
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}
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