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205 |
julius |
/* vms-hdr.c -- BFD back-end for VMS/VAX (openVMS/VAX) and
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EVAX (openVMS/Alpha) files.
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006,
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2007, 2008, 2009 Free Software Foundation, Inc.
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HDR record handling functions
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EMH record handling functions
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EOM record handling functions
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EEOM record handling functions
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IHD record handling functions
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EIHD record handling functions
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ISD record handling functions
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EISD record handling functions
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IHS record handling functions
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EIHS record handling functions
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DBG record handling functions
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EDBG record handling functions
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TBT record handling functions
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ETBT record handling functions
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DST/DMT section handling functions
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Written by Klaus K"ampf (kkaempf@rmi.de)
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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 3 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., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfdver.h"
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#include "bfdlink.h"
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#include "safe-ctype.h"
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#include "libbfd.h"
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#include "vms.h"
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static struct module *new_module (bfd *);
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static void parse_module
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(bfd *, struct module *, unsigned char *, unsigned int);
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static struct module *build_module_list (bfd *);
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static bfd_boolean module_find_nearest_line
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(bfd *, struct module *, bfd_vma, const char **, const char **,
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unsigned int *);
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static int vms_slurp_debug (bfd *);
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#define SET_MODULE_PARSED(m) \
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do { if ((m)->name == NULL) (m)->name = ""; } while (0)
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#define IS_MODULE_PARSED(m) ((m)->name != NULL)
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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_vms_slurp_hdr (bfd *abfd, int objtype)
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{
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unsigned char *ptr;
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unsigned char *vms_rec;
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int subtype;
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vms_rec = PRIV(vms_rec);
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#if VMS_DEBUG
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vms_debug(2, "HDR/EMH\n");
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#endif
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switch (objtype)
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{
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case OBJ_S_C_HDR:
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subtype = vms_rec[1];
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break;
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case EOBJ_S_C_EMH:
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subtype = bfd_getl16 (vms_rec + 4) + EVAX_OFFSET;
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break;
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default:
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subtype = -1;
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}
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#if VMS_DEBUG
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vms_debug(3, "subtype %d\n", subtype);
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#endif
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switch (subtype)
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{
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case MHD_S_C_MHD:
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/* Module header. */
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PRIV (hdr_data).hdr_b_strlvl = vms_rec[2];
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PRIV (hdr_data).hdr_l_recsiz = bfd_getl16 (vms_rec + 3);
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PRIV (hdr_data).hdr_t_name = _bfd_vms_save_counted_string (vms_rec + 5);
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ptr = vms_rec + 5 + vms_rec[5] + 1;
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PRIV (hdr_data).hdr_t_version = _bfd_vms_save_counted_string (ptr);
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ptr += *ptr + 1;
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PRIV (hdr_data).hdr_t_date = _bfd_vms_save_sized_string (ptr, 17);
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break;
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case MHD_S_C_LNM:
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PRIV (hdr_data).hdr_c_lnm = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_size - 2));
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break;
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case MHD_S_C_SRC:
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PRIV (hdr_data).hdr_c_src = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_size - 2));
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break;
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case MHD_S_C_TTL:
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PRIV (hdr_data).hdr_c_ttl = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_size - 2));
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break;
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case EMH_S_C_MHD + EVAX_OFFSET:
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/* Module header. */
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PRIV (hdr_data).hdr_b_strlvl = vms_rec[6];
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PRIV (hdr_data).hdr_l_arch1 = bfd_getl32 (vms_rec + 8);
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PRIV (hdr_data).hdr_l_arch2 = bfd_getl32 (vms_rec + 12);
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PRIV (hdr_data).hdr_l_recsiz = bfd_getl32 (vms_rec + 16);
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PRIV (hdr_data).hdr_t_name = _bfd_vms_save_counted_string (vms_rec + 20);
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ptr = vms_rec + 20 + vms_rec[20] + 1;
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PRIV (hdr_data).hdr_t_version =_bfd_vms_save_counted_string (ptr);
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ptr += *ptr + 1;
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PRIV (hdr_data).hdr_t_date = _bfd_vms_save_sized_string (ptr, 17);
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break;
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case EMH_S_C_LNM + EVAX_OFFSET:
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PRIV (hdr_data).hdr_c_lnm = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_size - 6));
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break;
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case EMH_S_C_SRC + EVAX_OFFSET:
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PRIV (hdr_data).hdr_c_src = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_size - 6));
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break;
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case EMH_S_C_TTL + EVAX_OFFSET:
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PRIV (hdr_data).hdr_c_ttl = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_size - 6));
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break;
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case MHD_S_C_CPR:
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case MHD_S_C_MTC:
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case MHD_S_C_GTX:
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case EMH_S_C_CPR + EVAX_OFFSET:
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case EMH_S_C_MTC + EVAX_OFFSET:
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case EMH_S_C_GTX + EVAX_OFFSET:
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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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}
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return 0;
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}
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/* Output routines. */
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/* Manufacture 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 (void)
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{
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static unsigned char tbuf[18];
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#ifndef VMS
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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 ((char *) tbuf, "%2s-%3s-%s %s",
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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 VMS_DEBUG
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vms_debug (6, "vmstimestring:'%s'\n", tbuf);
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#endif
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207 |
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return tbuf;
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}
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209 |
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210 |
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/* Write object header for bfd abfd. */
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211 |
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int
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_bfd_vms_write_hdr (bfd *abfd, int objtype)
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{
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215 |
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asymbol *symbol;
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216 |
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unsigned int symnum;
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int had_case = 0;
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int had_file = 0;
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char version [256];
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220 |
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#if VMS_DEBUG
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vms_debug (2, "vms_write_hdr (%p)\n", abfd);
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#endif
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224 |
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225 |
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_bfd_vms_output_alignment (abfd, 2);
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227 |
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/* MHD. */
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228 |
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if (objtype != OBJ_S_C_HDR)
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{
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230 |
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_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_MHD);
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_bfd_vms_output_short (abfd, EOBJ_S_C_STRLVL);
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_bfd_vms_output_long (abfd, 0);
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_bfd_vms_output_long (abfd, 0);
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_bfd_vms_output_long (abfd, MAX_OUTREC_SIZE);
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}
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236 |
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if (bfd_get_filename (abfd) != 0)
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238 |
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{
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239 |
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/* Strip path and suffix information. */
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240 |
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char *fname, *fout, *fptr;
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241 |
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fptr = bfd_get_filename (abfd);
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243 |
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fname = strdup (fptr);
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244 |
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245 |
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/* Strip VMS path. */
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fout = strrchr (fname, ']');
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247 |
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if (fout == NULL)
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248 |
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fout = strchr (fname, ':');
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249 |
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if (fout != NULL)
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250 |
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fout++;
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251 |
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else
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252 |
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fout = fname;
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253 |
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254 |
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/* Strip UNIX path. */
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255 |
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fptr = strrchr (fout, '/');
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256 |
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if (fptr != NULL)
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257 |
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fout = fptr + 1;
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258 |
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259 |
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/* Strip .obj suffix. */
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260 |
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fptr = strrchr (fout, '.');
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261 |
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if (fptr != 0 && strcasecmp (fptr, ".OBJ") == 0)
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262 |
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*fptr = 0;
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263 |
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|
264 |
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/* Convert to upper case and truncate at 31 characters.
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265 |
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(VMS object file format restricts module name length to 31). */
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266 |
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fptr = fout;
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267 |
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while (*fptr != 0)
|
268 |
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{
|
269 |
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*fptr = TOUPPER (*fptr);
|
270 |
|
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fptr++;
|
271 |
|
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if (*fptr == ';' || (fptr - fout) >= 31)
|
272 |
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*fptr = 0;
|
273 |
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}
|
274 |
|
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_bfd_vms_output_counted (abfd, fout);
|
275 |
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free (fname);
|
276 |
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}
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277 |
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else
|
278 |
|
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_bfd_vms_output_counted (abfd, "NONAME");
|
279 |
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280 |
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_bfd_vms_output_counted (abfd, BFD_VERSION_STRING);
|
281 |
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_bfd_vms_output_dump (abfd, get_vms_time_string (), EMH_DATE_LENGTH);
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282 |
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_bfd_vms_output_fill (abfd, 0, EMH_DATE_LENGTH);
|
283 |
|
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_bfd_vms_output_flush (abfd);
|
284 |
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|
285 |
|
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/* LMN. */
|
286 |
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_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_LNM);
|
287 |
|
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snprintf (version, sizeof (version), "GAS BFD v%s", BFD_VERSION_STRING);
|
288 |
|
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_bfd_vms_output_dump (abfd, (unsigned char *)version, strlen (version));
|
289 |
|
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_bfd_vms_output_flush (abfd);
|
290 |
|
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|
291 |
|
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/* SRC. */
|
292 |
|
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_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_SRC);
|
293 |
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|
294 |
|
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for (symnum = 0; symnum < abfd->symcount; symnum++)
|
295 |
|
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{
|
296 |
|
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symbol = abfd->outsymbols[symnum];
|
297 |
|
|
|
298 |
|
|
if (symbol->flags & BSF_FILE)
|
299 |
|
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{
|
300 |
|
|
if (CONST_STRNEQ ((char *)symbol->name, "<CASE:"))
|
301 |
|
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{
|
302 |
|
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PRIV (flag_hash_long_names) = symbol->name[6] - '0';
|
303 |
|
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PRIV (flag_show_after_trunc) = symbol->name[7] - '0';
|
304 |
|
|
|
305 |
|
|
if (had_file)
|
306 |
|
|
break;
|
307 |
|
|
had_case = 1;
|
308 |
|
|
continue;
|
309 |
|
|
}
|
310 |
|
|
|
311 |
|
|
_bfd_vms_output_dump (abfd, (unsigned char *) symbol->name,
|
312 |
|
|
(int) strlen (symbol->name));
|
313 |
|
|
if (had_case)
|
314 |
|
|
break;
|
315 |
|
|
had_file = 1;
|
316 |
|
|
}
|
317 |
|
|
}
|
318 |
|
|
|
319 |
|
|
if (symnum == abfd->symcount)
|
320 |
|
|
_bfd_vms_output_dump (abfd, (unsigned char *) STRING_COMMA_LEN ("noname"));
|
321 |
|
|
|
322 |
|
|
_bfd_vms_output_flush (abfd);
|
323 |
|
|
|
324 |
|
|
/* TTL. */
|
325 |
|
|
_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_TTL);
|
326 |
|
|
_bfd_vms_output_dump (abfd, (unsigned char *) STRING_COMMA_LEN ("TTL"));
|
327 |
|
|
_bfd_vms_output_flush (abfd);
|
328 |
|
|
|
329 |
|
|
/* CPR. */
|
330 |
|
|
_bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_CPR);
|
331 |
|
|
_bfd_vms_output_dump (abfd,
|
332 |
|
|
(unsigned char *)"GNU BFD ported by Klaus K�mpf 1994-1996",
|
333 |
|
|
39);
|
334 |
|
|
_bfd_vms_output_flush (abfd);
|
335 |
|
|
|
336 |
|
|
return 0;
|
337 |
|
|
}
|
338 |
|
|
|
339 |
|
|
/* Process EOM/EEOM record
|
340 |
|
|
return 0 on success, -1 on error. */
|
341 |
|
|
|
342 |
|
|
int
|
343 |
|
|
_bfd_vms_slurp_eom (bfd *abfd, int objtype)
|
344 |
|
|
{
|
345 |
|
|
unsigned char *vms_rec;
|
346 |
|
|
|
347 |
|
|
#if VMS_DEBUG
|
348 |
|
|
vms_debug(2, "EOM/EEOM\n");
|
349 |
|
|
#endif
|
350 |
|
|
|
351 |
|
|
vms_rec = PRIV (vms_rec);
|
352 |
|
|
|
353 |
|
|
if ((objtype == OBJ_S_C_EOM)
|
354 |
|
|
|| (objtype == OBJ_S_C_EOMW))
|
355 |
|
|
{
|
356 |
|
|
}
|
357 |
|
|
else
|
358 |
|
|
{
|
359 |
|
|
PRIV (eom_data).eom_l_total_lps
|
360 |
|
|
= bfd_getl32 (vms_rec + EEOM_S_L_TOTAL_LPS);
|
361 |
|
|
PRIV (eom_data).eom_w_comcod = bfd_getl16 (vms_rec + EEOM_S_W_COMCOD);
|
362 |
|
|
if (PRIV (eom_data).eom_w_comcod > 1)
|
363 |
|
|
{
|
364 |
|
|
(*_bfd_error_handler) (_("Object module NOT error-free !\n"));
|
365 |
|
|
bfd_set_error (bfd_error_bad_value);
|
366 |
|
|
return -1;
|
367 |
|
|
}
|
368 |
|
|
PRIV (eom_data).eom_has_transfer = FALSE;
|
369 |
|
|
if (PRIV (rec_size) > 10)
|
370 |
|
|
{
|
371 |
|
|
PRIV (eom_data).eom_has_transfer = TRUE;
|
372 |
|
|
PRIV (eom_data).eom_b_tfrflg = vms_rec[EEOM_S_B_TFRFLG];
|
373 |
|
|
PRIV (eom_data).eom_l_psindx
|
374 |
|
|
= bfd_getl32 (vms_rec + EEOM_S_L_PSINDX);
|
375 |
|
|
PRIV (eom_data).eom_l_tfradr
|
376 |
|
|
= bfd_getl32 (vms_rec + EEOM_S_L_TFRADR);
|
377 |
|
|
|
378 |
|
|
abfd->start_address = PRIV (eom_data).eom_l_tfradr;
|
379 |
|
|
}
|
380 |
|
|
}
|
381 |
|
|
return 0;
|
382 |
|
|
}
|
383 |
|
|
|
384 |
|
|
/* Write eom record for bfd abfd. */
|
385 |
|
|
|
386 |
|
|
int
|
387 |
|
|
_bfd_vms_write_eom (bfd *abfd, int objtype)
|
388 |
|
|
{
|
389 |
|
|
#if VMS_DEBUG
|
390 |
|
|
vms_debug (2, "vms_write_eom (%p, %d)\n", abfd, objtype);
|
391 |
|
|
#endif
|
392 |
|
|
|
393 |
|
|
_bfd_vms_output_begin (abfd, objtype, -1);
|
394 |
|
|
_bfd_vms_output_long (abfd, (unsigned long) (PRIV (vms_linkage_index) >> 1));
|
395 |
|
|
_bfd_vms_output_byte (abfd, 0); /* Completion code. */
|
396 |
|
|
_bfd_vms_output_byte (abfd, 0); /* Fill byte. */
|
397 |
|
|
|
398 |
|
|
if (bfd_get_start_address (abfd) != (bfd_vma)-1)
|
399 |
|
|
{
|
400 |
|
|
asection *section;
|
401 |
|
|
|
402 |
|
|
section = bfd_get_section_by_name (abfd, ".link");
|
403 |
|
|
if (section == 0)
|
404 |
|
|
{
|
405 |
|
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
406 |
|
|
return -1;
|
407 |
|
|
}
|
408 |
|
|
_bfd_vms_output_short (abfd, 0);
|
409 |
|
|
_bfd_vms_output_long (abfd, (unsigned long) (section->index));
|
410 |
|
|
_bfd_vms_output_long (abfd,
|
411 |
|
|
(unsigned long) bfd_get_start_address (abfd));
|
412 |
|
|
_bfd_vms_output_long (abfd, 0);
|
413 |
|
|
}
|
414 |
|
|
|
415 |
|
|
_bfd_vms_output_end (abfd);
|
416 |
|
|
return 0;
|
417 |
|
|
}
|
418 |
|
|
|
419 |
|
|
/* Read & process IHD/EIHD record.
|
420 |
|
|
Return 0 on success, -1 on error */
|
421 |
|
|
int
|
422 |
|
|
_bfd_vms_slurp_ihd (bfd *abfd, unsigned int *isd_offset,
|
423 |
|
|
unsigned int *ihs_offset)
|
424 |
|
|
{
|
425 |
|
|
unsigned int imgtype, size;
|
426 |
|
|
bfd_vma symvva;
|
427 |
|
|
|
428 |
|
|
#if VMS_DEBUG
|
429 |
|
|
vms_debug (8, "_bfd_vms_slurp_ihd\n");
|
430 |
|
|
#endif
|
431 |
|
|
|
432 |
|
|
size = bfd_getl32 (PRIV (vms_rec) + EIHD_S_L_SIZE);
|
433 |
|
|
imgtype = bfd_getl32 (PRIV (vms_rec) + EIHD_S_L_IMGTYPE);
|
434 |
|
|
|
435 |
|
|
if (imgtype == EIHD_S_K_EXE)
|
436 |
|
|
abfd->flags |= EXEC_P;
|
437 |
|
|
|
438 |
|
|
symvva = bfd_getl64 (PRIV (vms_rec) + EIHD_S_Q_SYMVVA);
|
439 |
|
|
if (symvva != 0)
|
440 |
|
|
{
|
441 |
|
|
PRIV (symvva) = symvva;
|
442 |
|
|
abfd->flags |= DYNAMIC;
|
443 |
|
|
}
|
444 |
|
|
|
445 |
|
|
*isd_offset = bfd_getl32 (PRIV (vms_rec) + EIHD_S_L_ISDOFF);
|
446 |
|
|
*ihs_offset = bfd_getl32 (PRIV (vms_rec) + EIHD_S_L_SYMDBGOFF);
|
447 |
|
|
|
448 |
|
|
#if VMS_DEBUG
|
449 |
|
|
vms_debug (4, "EIHD record size %d imgtype %d symvva 0x%llx isd %d ihs %d\n",
|
450 |
|
|
size, imgtype, symvva, *isd_offset, *ihs_offset);
|
451 |
|
|
#endif
|
452 |
|
|
|
453 |
|
|
return 0;
|
454 |
|
|
}
|
455 |
|
|
|
456 |
|
|
/* Read & process ISD/EISD record
|
457 |
|
|
return 0 on success, -1 on error */
|
458 |
|
|
|
459 |
|
|
int
|
460 |
|
|
_bfd_vms_slurp_isd (bfd *abfd, unsigned int offset)
|
461 |
|
|
{
|
462 |
|
|
int section_count = 0;
|
463 |
|
|
unsigned char *p;
|
464 |
|
|
unsigned int rec_size;
|
465 |
|
|
|
466 |
|
|
#if VMS_DEBUG
|
467 |
|
|
vms_debug (8, "_bfd_vms_slurp_isd\n");
|
468 |
|
|
#endif
|
469 |
|
|
|
470 |
|
|
for (p = PRIV (vms_rec) + offset;
|
471 |
|
|
(rec_size = bfd_getl32 (p + EISD_S_L_EISDSIZE)) != 0;
|
472 |
|
|
p += rec_size)
|
473 |
|
|
{
|
474 |
|
|
unsigned long long vaddr = bfd_getl64 (p + EISD_S_Q_VIR_ADDR);
|
475 |
|
|
unsigned int size = bfd_getl32 (p + EISD_S_L_SECSIZE);
|
476 |
|
|
unsigned int flags = bfd_getl32 (p + EISD_S_L_FLAGS);
|
477 |
|
|
unsigned int vbn = bfd_getl32 (p + EISD_S_L_VBN);
|
478 |
|
|
char *name = NULL;
|
479 |
|
|
asection *section;
|
480 |
|
|
flagword bfd_flags;
|
481 |
|
|
|
482 |
|
|
#if VMS_DEBUG
|
483 |
|
|
vms_debug (4, "EISD record at 0x%x size 0x%x addr 0x%x bfd_flags 0x%x block %d\n",
|
484 |
|
|
p - PRIV (vms_rec), size, vaddr, flags, vbn);
|
485 |
|
|
#endif
|
486 |
|
|
|
487 |
|
|
/* VMS combines psects from .obj files into isects in the .exe. This
|
488 |
|
|
process doesn't preserve enough information to reliably determine
|
489 |
|
|
what's in each section without examining the data. This is
|
490 |
|
|
especially true of DWARF debug sections. */
|
491 |
|
|
bfd_flags = SEC_ALLOC;
|
492 |
|
|
|
493 |
|
|
if (flags & EISD_S_M_EXE)
|
494 |
|
|
bfd_flags |= SEC_CODE | SEC_HAS_CONTENTS | SEC_LOAD;
|
495 |
|
|
|
496 |
|
|
if (flags & EISD_S_M_NONSHRADR)
|
497 |
|
|
bfd_flags |= SEC_DATA | SEC_HAS_CONTENTS | SEC_LOAD;
|
498 |
|
|
|
499 |
|
|
if (!(flags & EISD_S_M_WRT))
|
500 |
|
|
bfd_flags |= SEC_READONLY;
|
501 |
|
|
|
502 |
|
|
if (flags & EISD_S_M_DZRO)
|
503 |
|
|
bfd_flags |= SEC_DATA;
|
504 |
|
|
|
505 |
|
|
if (flags & EISD_S_M_FIXUPVEC)
|
506 |
|
|
bfd_flags |= SEC_DATA | SEC_HAS_CONTENTS | SEC_LOAD;
|
507 |
|
|
|
508 |
|
|
if (flags & EISD_S_M_CRF)
|
509 |
|
|
bfd_flags |= SEC_HAS_CONTENTS | SEC_LOAD;
|
510 |
|
|
|
511 |
|
|
if (flags & EISD_S_M_GBL)
|
512 |
|
|
{
|
513 |
|
|
name = _bfd_vms_save_counted_string (p + EISD_S_T_GBLNAM);
|
514 |
|
|
bfd_flags |= SEC_COFF_SHARED_LIBRARY;
|
515 |
|
|
bfd_flags &= ~(SEC_ALLOC | SEC_LOAD);
|
516 |
|
|
}
|
517 |
|
|
else
|
518 |
|
|
{
|
519 |
|
|
name = (char*) bfd_alloc (abfd, 32);
|
520 |
|
|
sprintf (name, "$LOCAL_%03d$", section_count++);
|
521 |
|
|
}
|
522 |
|
|
|
523 |
|
|
section = bfd_make_section (abfd, name);
|
524 |
|
|
|
525 |
|
|
if (!section)
|
526 |
|
|
return -1;
|
527 |
|
|
|
528 |
|
|
section->filepos = vbn ? VMS_BLOCK_SIZE * (vbn - 1) : (unsigned int)-1;
|
529 |
|
|
section->size = size;
|
530 |
|
|
section->vma = vaddr;
|
531 |
|
|
|
532 |
|
|
if (!bfd_set_section_flags (abfd, section, bfd_flags))
|
533 |
|
|
return -1;
|
534 |
|
|
}
|
535 |
|
|
|
536 |
|
|
return 0;
|
537 |
|
|
}
|
538 |
|
|
|
539 |
|
|
/* Read & process IHS/EIHS record
|
540 |
|
|
return 0 on success, -1 on error */
|
541 |
|
|
int
|
542 |
|
|
_bfd_vms_slurp_ihs (bfd *abfd, unsigned int offset)
|
543 |
|
|
{
|
544 |
|
|
unsigned char *p = PRIV (vms_rec) + offset;
|
545 |
|
|
unsigned int gstvbn = bfd_getl32 (p + EIHS_S_L_GSTVBN);
|
546 |
|
|
unsigned int gstsize ATTRIBUTE_UNUSED = bfd_getl32 (p + EIHS_S_L_GSTSIZE);
|
547 |
|
|
unsigned int dstvbn = bfd_getl32 (p + EIHS_S_L_DSTVBN);
|
548 |
|
|
unsigned int dstsize = bfd_getl32 (p + EIHS_S_L_DSTSIZE);
|
549 |
|
|
unsigned int dmtvbn = bfd_getl32 (p + EIHS_S_L_DMTVBN);
|
550 |
|
|
unsigned int dmtbytes = bfd_getl32 (p + EIHS_S_L_DMTBYTES);
|
551 |
|
|
asection *section;
|
552 |
|
|
|
553 |
|
|
#if VMS_DEBUG
|
554 |
|
|
vms_debug (8, "_bfd_vms_slurp_ihs\n");
|
555 |
|
|
vms_debug (4, "EIHS record gstvbn %d gstsize %d dstvbn %d dstsize %d dmtvbn %d dmtbytes %d\n",
|
556 |
|
|
gstvbn, gstsize, dstvbn, dstsize, dmtvbn, dmtbytes);
|
557 |
|
|
#endif
|
558 |
|
|
|
559 |
|
|
if (dstvbn)
|
560 |
|
|
{
|
561 |
|
|
flagword bfd_flags = SEC_HAS_CONTENTS | SEC_DEBUGGING;
|
562 |
|
|
|
563 |
|
|
section = bfd_make_section (abfd, "$DST$");
|
564 |
|
|
if (!section)
|
565 |
|
|
return -1;
|
566 |
|
|
|
567 |
|
|
section->size = dstsize;
|
568 |
|
|
section->filepos = VMS_BLOCK_SIZE * (dstvbn - 1);
|
569 |
|
|
|
570 |
|
|
if (!bfd_set_section_flags (abfd, section, bfd_flags))
|
571 |
|
|
return -1;
|
572 |
|
|
|
573 |
|
|
PRIV (dst_section) = section;
|
574 |
|
|
abfd->flags |= (HAS_DEBUG | HAS_LINENO);
|
575 |
|
|
}
|
576 |
|
|
|
577 |
|
|
if (dmtvbn)
|
578 |
|
|
{
|
579 |
|
|
flagword bfd_flags = SEC_HAS_CONTENTS | SEC_DEBUGGING;
|
580 |
|
|
|
581 |
|
|
section = bfd_make_section (abfd, "$DMT$");
|
582 |
|
|
if (!section)
|
583 |
|
|
return -1;
|
584 |
|
|
|
585 |
|
|
section->size = dmtbytes;
|
586 |
|
|
section->filepos = VMS_BLOCK_SIZE * (dmtvbn - 1);
|
587 |
|
|
|
588 |
|
|
if (!bfd_set_section_flags (abfd, section, bfd_flags))
|
589 |
|
|
return -1;
|
590 |
|
|
}
|
591 |
|
|
|
592 |
|
|
if (gstvbn)
|
593 |
|
|
{
|
594 |
|
|
flagword bfd_flags = SEC_HAS_CONTENTS;
|
595 |
|
|
|
596 |
|
|
section = bfd_make_section (abfd, "$GST$");
|
597 |
|
|
if (!section)
|
598 |
|
|
return -1;
|
599 |
|
|
|
600 |
|
|
if (bfd_seek (abfd, VMS_BLOCK_SIZE * (gstvbn - 1), SEEK_SET))
|
601 |
|
|
{
|
602 |
|
|
bfd_set_error (bfd_error_file_truncated);
|
603 |
|
|
return -1;
|
604 |
|
|
}
|
605 |
|
|
|
606 |
|
|
if (_bfd_vms_slurp_object_records (abfd) != 0)
|
607 |
|
|
return -1;
|
608 |
|
|
|
609 |
|
|
section->filepos = VMS_BLOCK_SIZE * (gstvbn - 1);
|
610 |
|
|
section->size = bfd_tell (abfd) - section->filepos;
|
611 |
|
|
|
612 |
|
|
if (!bfd_set_section_flags (abfd, section, bfd_flags))
|
613 |
|
|
return -1;
|
614 |
|
|
|
615 |
|
|
abfd->flags |= HAS_SYMS;
|
616 |
|
|
}
|
617 |
|
|
|
618 |
|
|
return 0;
|
619 |
|
|
}
|
620 |
|
|
|
621 |
|
|
/* Build a new module for the specified BFD. */
|
622 |
|
|
|
623 |
|
|
static struct module *
|
624 |
|
|
new_module (bfd *abfd)
|
625 |
|
|
{
|
626 |
|
|
struct module *module
|
627 |
|
|
= (struct module *) bfd_zalloc (abfd, sizeof (struct module));
|
628 |
|
|
module->file_table_count = 16; /* Arbitrary. */
|
629 |
|
|
module->file_table
|
630 |
|
|
= bfd_malloc (module->file_table_count * sizeof (struct fileinfo));
|
631 |
|
|
return module;
|
632 |
|
|
}
|
633 |
|
|
|
634 |
|
|
/* Parse debug info for a module and internalize it. */
|
635 |
|
|
|
636 |
|
|
static void
|
637 |
|
|
parse_module (bfd *abfd, struct module *module, unsigned char *ptr,
|
638 |
|
|
unsigned int length)
|
639 |
|
|
{
|
640 |
|
|
unsigned char *maxptr = ptr + length, *src_ptr, *pcl_ptr;
|
641 |
|
|
unsigned int prev_linum = 0, curr_linenum = 0;
|
642 |
|
|
bfd_vma prev_pc = 0, curr_pc = 0;
|
643 |
|
|
struct srecinfo *curr_srec, *srec;
|
644 |
|
|
struct lineinfo *curr_line, *line;
|
645 |
|
|
struct funcinfo *funcinfo;
|
646 |
|
|
|
647 |
|
|
/* Initialize tables with zero element. */
|
648 |
|
|
curr_srec = (struct srecinfo *) bfd_zalloc (abfd, sizeof (struct srecinfo));
|
649 |
|
|
module->srec_table = curr_srec;
|
650 |
|
|
|
651 |
|
|
curr_line = (struct lineinfo *) bfd_zalloc (abfd, sizeof (struct lineinfo));
|
652 |
|
|
module->line_table = curr_line;
|
653 |
|
|
|
654 |
|
|
while (ptr < maxptr)
|
655 |
|
|
{
|
656 |
|
|
/* The first byte is not counted in the recorded length. */
|
657 |
|
|
int rec_length = bfd_getl16 (ptr) + 1;
|
658 |
|
|
int rec_type = bfd_getl16 (ptr + 2);
|
659 |
|
|
|
660 |
|
|
#if VMS_DEBUG
|
661 |
|
|
_bfd_vms_debug (2, "DST record: length %d, type %d\n",
|
662 |
|
|
rec_length, rec_type);
|
663 |
|
|
#endif
|
664 |
|
|
|
665 |
|
|
switch (rec_type)
|
666 |
|
|
{
|
667 |
|
|
case DST_S_C_MODBEG:
|
668 |
|
|
module->name
|
669 |
|
|
= _bfd_vms_save_counted_string (ptr + DST_S_B_MODBEG_NAME);
|
670 |
|
|
|
671 |
|
|
curr_pc = 0;
|
672 |
|
|
prev_pc = 0;
|
673 |
|
|
curr_linenum = 0;
|
674 |
|
|
prev_linum = 0;
|
675 |
|
|
|
676 |
|
|
#if VMS_DEBUG
|
677 |
|
|
_bfd_vms_debug (3, "module: %s\n", module->name);
|
678 |
|
|
#endif
|
679 |
|
|
break;
|
680 |
|
|
|
681 |
|
|
case DST_S_C_MODEND:
|
682 |
|
|
#if VMS_DEBUG
|
683 |
|
|
_bfd_vms_debug (3, "end module\n");
|
684 |
|
|
#endif
|
685 |
|
|
break;
|
686 |
|
|
|
687 |
|
|
case DST_S_C_RTNBEG:
|
688 |
|
|
funcinfo = (struct funcinfo *)
|
689 |
|
|
bfd_zalloc (abfd, sizeof (struct funcinfo));
|
690 |
|
|
funcinfo->name
|
691 |
|
|
= _bfd_vms_save_counted_string (ptr + DST_S_B_RTNBEG_NAME);
|
692 |
|
|
funcinfo->low = bfd_getl32 (ptr + DST_S_L_RTNBEG_ADDRESS);
|
693 |
|
|
funcinfo->next = module->func_table;
|
694 |
|
|
module->func_table = funcinfo;
|
695 |
|
|
|
696 |
|
|
#if VMS_DEBUG
|
697 |
|
|
_bfd_vms_debug (3, "routine: %s at 0x%x\n",
|
698 |
|
|
funcinfo->name, funcinfo->low);
|
699 |
|
|
#endif
|
700 |
|
|
break;
|
701 |
|
|
|
702 |
|
|
case DST_S_C_RTNEND:
|
703 |
|
|
module->func_table->high = module->func_table->low
|
704 |
|
|
+ bfd_getl32 (ptr + DST_S_L_RTNEND_SIZE) - 1;
|
705 |
|
|
|
706 |
|
|
if (module->func_table->high > module->high)
|
707 |
|
|
module->high = module->func_table->high;
|
708 |
|
|
|
709 |
|
|
#if VMS_DEBUG
|
710 |
|
|
_bfd_vms_debug (3, "end routine\n");
|
711 |
|
|
#endif
|
712 |
|
|
break;
|
713 |
|
|
|
714 |
|
|
case DST_S_C_PROLOG:
|
715 |
|
|
#if VMS_DEBUG
|
716 |
|
|
_bfd_vms_debug (3, "prologue\n");
|
717 |
|
|
#endif
|
718 |
|
|
break;
|
719 |
|
|
|
720 |
|
|
case DST_S_C_EPILOG:
|
721 |
|
|
#if VMS_DEBUG
|
722 |
|
|
_bfd_vms_debug (3, "epilog\n");
|
723 |
|
|
#endif
|
724 |
|
|
break;
|
725 |
|
|
|
726 |
|
|
case DST_S_C_BLKBEG:
|
727 |
|
|
#if VMS_DEBUG
|
728 |
|
|
_bfd_vms_debug (3, "block\n");
|
729 |
|
|
#endif
|
730 |
|
|
break;
|
731 |
|
|
|
732 |
|
|
case DST_S_C_BLKEND:
|
733 |
|
|
#if VMS_DEBUG
|
734 |
|
|
_bfd_vms_debug (3, "end block\n");
|
735 |
|
|
#endif
|
736 |
|
|
break;
|
737 |
|
|
|
738 |
|
|
case DST_S_C_SOURCE:
|
739 |
|
|
src_ptr = ptr + DST_S_C_SOURCE_HEADER_SIZE;
|
740 |
|
|
|
741 |
|
|
#if VMS_DEBUG
|
742 |
|
|
_bfd_vms_debug (3, "source info\n");
|
743 |
|
|
#endif
|
744 |
|
|
|
745 |
|
|
while (src_ptr < ptr + rec_length)
|
746 |
|
|
{
|
747 |
|
|
int cmd = src_ptr[0], cmd_length, data;
|
748 |
|
|
|
749 |
|
|
switch (cmd)
|
750 |
|
|
{
|
751 |
|
|
case DST_S_C_SRC_DECLFILE:
|
752 |
|
|
{
|
753 |
|
|
unsigned int fileid
|
754 |
|
|
= bfd_getl16 (src_ptr + DST_S_W_SRC_DF_FILEID);
|
755 |
|
|
char *filename
|
756 |
|
|
= _bfd_vms_save_counted_string (src_ptr
|
757 |
|
|
+ DST_S_B_SRC_DF_FILENAME);
|
758 |
|
|
|
759 |
|
|
while (fileid >= module->file_table_count)
|
760 |
|
|
{
|
761 |
|
|
module->file_table_count *= 2;
|
762 |
|
|
module->file_table
|
763 |
|
|
= bfd_realloc (module->file_table,
|
764 |
|
|
module->file_table_count
|
765 |
|
|
* sizeof (struct fileinfo));
|
766 |
|
|
}
|
767 |
|
|
|
768 |
|
|
module->file_table [fileid].name = filename;
|
769 |
|
|
module->file_table [fileid].srec = 1;
|
770 |
|
|
cmd_length = src_ptr[DST_S_B_SRC_DF_LENGTH] + 2;
|
771 |
|
|
#if VMS_DEBUG
|
772 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_DECLFILE: %d, %s\n",
|
773 |
|
|
fileid,
|
774 |
|
|
module->file_table [fileid].name);
|
775 |
|
|
#endif
|
776 |
|
|
}
|
777 |
|
|
break;
|
778 |
|
|
|
779 |
|
|
case DST_S_C_SRC_DEFLINES_B:
|
780 |
|
|
/* Perform the association and set the next higher index
|
781 |
|
|
to the limit. */
|
782 |
|
|
data = src_ptr[DST_S_B_SRC_UNSBYTE];
|
783 |
|
|
srec = (struct srecinfo *)
|
784 |
|
|
bfd_zalloc (abfd, sizeof (struct srecinfo));
|
785 |
|
|
srec->line = curr_srec->line + data;
|
786 |
|
|
srec->srec = curr_srec->srec + data;
|
787 |
|
|
srec->sfile = curr_srec->sfile;
|
788 |
|
|
curr_srec->next = srec;
|
789 |
|
|
curr_srec = srec;
|
790 |
|
|
cmd_length = 2;
|
791 |
|
|
#if VMS_DEBUG
|
792 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_DEFLINES_B: %d\n", data);
|
793 |
|
|
#endif
|
794 |
|
|
break;
|
795 |
|
|
|
796 |
|
|
case DST_S_C_SRC_DEFLINES_W:
|
797 |
|
|
/* Perform the association and set the next higher index
|
798 |
|
|
to the limit. */
|
799 |
|
|
data = bfd_getl16 (src_ptr + DST_S_W_SRC_UNSWORD);
|
800 |
|
|
srec = (struct srecinfo *)
|
801 |
|
|
bfd_zalloc (abfd, sizeof (struct srecinfo));
|
802 |
|
|
srec->line = curr_srec->line + data;
|
803 |
|
|
srec->srec = curr_srec->srec + data,
|
804 |
|
|
srec->sfile = curr_srec->sfile;
|
805 |
|
|
curr_srec->next = srec;
|
806 |
|
|
curr_srec = srec;
|
807 |
|
|
cmd_length = 3;
|
808 |
|
|
#if VMS_DEBUG
|
809 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_DEFLINES_W: %d\n", data);
|
810 |
|
|
#endif
|
811 |
|
|
break;
|
812 |
|
|
|
813 |
|
|
case DST_S_C_SRC_INCRLNUM_B:
|
814 |
|
|
data = src_ptr[DST_S_B_SRC_UNSBYTE];
|
815 |
|
|
curr_srec->line += data;
|
816 |
|
|
cmd_length = 2;
|
817 |
|
|
#if VMS_DEBUG
|
818 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_INCRLNUM_B: %d\n", data);
|
819 |
|
|
#endif
|
820 |
|
|
break;
|
821 |
|
|
|
822 |
|
|
case DST_S_C_SRC_SETFILE:
|
823 |
|
|
data = bfd_getl16 (src_ptr + DST_S_W_SRC_UNSWORD);
|
824 |
|
|
curr_srec->sfile = data;
|
825 |
|
|
curr_srec->srec = module->file_table[data].srec;
|
826 |
|
|
cmd_length = 3;
|
827 |
|
|
#if VMS_DEBUG
|
828 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_SETFILE: %d\n", data);
|
829 |
|
|
#endif
|
830 |
|
|
break;
|
831 |
|
|
|
832 |
|
|
case DST_S_C_SRC_SETLNUM_L:
|
833 |
|
|
data = bfd_getl32 (src_ptr + DST_S_L_SRC_UNSLONG);
|
834 |
|
|
curr_srec->line = data;
|
835 |
|
|
cmd_length = 5;
|
836 |
|
|
#if VMS_DEBUG
|
837 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_SETLNUM_L: %d\n", data);
|
838 |
|
|
#endif
|
839 |
|
|
break;
|
840 |
|
|
|
841 |
|
|
case DST_S_C_SRC_SETLNUM_W:
|
842 |
|
|
data = bfd_getl16 (src_ptr + DST_S_W_SRC_UNSWORD);
|
843 |
|
|
curr_srec->line = data;
|
844 |
|
|
cmd_length = 3;
|
845 |
|
|
#if VMS_DEBUG
|
846 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_SETLNUM_W: %d\n", data);
|
847 |
|
|
#endif
|
848 |
|
|
break;
|
849 |
|
|
|
850 |
|
|
case DST_S_C_SRC_SETREC_L:
|
851 |
|
|
data = bfd_getl32 (src_ptr + DST_S_L_SRC_UNSLONG);
|
852 |
|
|
curr_srec->srec = data;
|
853 |
|
|
module->file_table[curr_srec->sfile].srec = data;
|
854 |
|
|
cmd_length = 5;
|
855 |
|
|
#if VMS_DEBUG
|
856 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_SETREC_L: %d\n", data);
|
857 |
|
|
#endif
|
858 |
|
|
break;
|
859 |
|
|
|
860 |
|
|
case DST_S_C_SRC_SETREC_W:
|
861 |
|
|
data = bfd_getl16 (src_ptr + DST_S_W_SRC_UNSWORD);
|
862 |
|
|
curr_srec->srec = data;
|
863 |
|
|
module->file_table[curr_srec->sfile].srec = data;
|
864 |
|
|
cmd_length = 3;
|
865 |
|
|
#if VMS_DEBUG
|
866 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_SETREC_W: %d\n", data);
|
867 |
|
|
#endif
|
868 |
|
|
break;
|
869 |
|
|
|
870 |
|
|
case DST_S_C_SRC_FORMFEED:
|
871 |
|
|
cmd_length = 1;
|
872 |
|
|
#if VMS_DEBUG
|
873 |
|
|
_bfd_vms_debug (4, "DST_S_C_SRC_FORMFEED\n");
|
874 |
|
|
#endif
|
875 |
|
|
break;
|
876 |
|
|
|
877 |
|
|
default:
|
878 |
|
|
(*_bfd_error_handler) (_("unknown source command %d"),
|
879 |
|
|
cmd);
|
880 |
|
|
cmd_length = 2;
|
881 |
|
|
break;
|
882 |
|
|
}
|
883 |
|
|
|
884 |
|
|
src_ptr += cmd_length;
|
885 |
|
|
}
|
886 |
|
|
break;
|
887 |
|
|
|
888 |
|
|
case DST_S_C_LINE_NUM:
|
889 |
|
|
pcl_ptr = ptr + DST_S_C_LINE_NUM_HEADER_SIZE;
|
890 |
|
|
|
891 |
|
|
#if VMS_DEBUG
|
892 |
|
|
_bfd_vms_debug (3, "line info\n");
|
893 |
|
|
#endif
|
894 |
|
|
|
895 |
|
|
while (pcl_ptr < ptr + rec_length)
|
896 |
|
|
{
|
897 |
|
|
/* The command byte is signed so we must sign-extend it. */
|
898 |
|
|
int cmd = ((signed char *)pcl_ptr)[0], cmd_length, data;
|
899 |
|
|
|
900 |
|
|
switch (cmd)
|
901 |
|
|
{
|
902 |
|
|
case DST_S_C_DELTA_PC_W:
|
903 |
|
|
data = bfd_getl16 (pcl_ptr + DST_S_W_PCLINE_UNSWORD);
|
904 |
|
|
curr_pc += data;
|
905 |
|
|
curr_linenum += 1;
|
906 |
|
|
cmd_length = 3;
|
907 |
|
|
#if VMS_DEBUG
|
908 |
|
|
_bfd_vms_debug (4, "DST_S_C_DELTA_PC_W: %d\n", data);
|
909 |
|
|
#endif
|
910 |
|
|
break;
|
911 |
|
|
|
912 |
|
|
case DST_S_C_DELTA_PC_L:
|
913 |
|
|
data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG);
|
914 |
|
|
curr_pc += data;
|
915 |
|
|
curr_linenum += 1;
|
916 |
|
|
cmd_length = 5;
|
917 |
|
|
#if VMS_DEBUG
|
918 |
|
|
_bfd_vms_debug (4, "DST_S_C_DELTA_PC_L: %d\n", data);
|
919 |
|
|
#endif
|
920 |
|
|
break;
|
921 |
|
|
|
922 |
|
|
case DST_S_C_INCR_LINUM:
|
923 |
|
|
data = pcl_ptr[DST_S_B_PCLINE_UNSBYTE];
|
924 |
|
|
curr_linenum += data;
|
925 |
|
|
cmd_length = 2;
|
926 |
|
|
#if VMS_DEBUG
|
927 |
|
|
_bfd_vms_debug (4, "DST_S_C_INCR_LINUM: %d\n", data);
|
928 |
|
|
#endif
|
929 |
|
|
break;
|
930 |
|
|
|
931 |
|
|
case DST_S_C_INCR_LINUM_W:
|
932 |
|
|
data = bfd_getl16 (pcl_ptr + DST_S_W_PCLINE_UNSWORD);
|
933 |
|
|
curr_linenum += data;
|
934 |
|
|
cmd_length = 3;
|
935 |
|
|
#if VMS_DEBUG
|
936 |
|
|
_bfd_vms_debug (4, "DST_S_C_INCR_LINUM_W: %d\n", data);
|
937 |
|
|
#endif
|
938 |
|
|
break;
|
939 |
|
|
|
940 |
|
|
case DST_S_C_INCR_LINUM_L:
|
941 |
|
|
data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG);
|
942 |
|
|
curr_linenum += data;
|
943 |
|
|
cmd_length = 5;
|
944 |
|
|
#if VMS_DEBUG
|
945 |
|
|
_bfd_vms_debug (4, "DST_S_C_INCR_LINUM_L: %d\n", data);
|
946 |
|
|
#endif
|
947 |
|
|
break;
|
948 |
|
|
|
949 |
|
|
case DST_S_C_SET_LINUM_INCR:
|
950 |
|
|
(*_bfd_error_handler)
|
951 |
|
|
(_("DST_S_C_SET_LINUM_INCR not implemented"));
|
952 |
|
|
cmd_length = 2;
|
953 |
|
|
break;
|
954 |
|
|
|
955 |
|
|
case DST_S_C_SET_LINUM_INCR_W:
|
956 |
|
|
(*_bfd_error_handler)
|
957 |
|
|
(_("DST_S_C_SET_LINUM_INCR_W not implemented"));
|
958 |
|
|
cmd_length = 3;
|
959 |
|
|
break;
|
960 |
|
|
|
961 |
|
|
case DST_S_C_RESET_LINUM_INCR:
|
962 |
|
|
(*_bfd_error_handler)
|
963 |
|
|
(_("DST_S_C_RESET_LINUM_INCR not implemented"));
|
964 |
|
|
cmd_length = 1;
|
965 |
|
|
break;
|
966 |
|
|
|
967 |
|
|
case DST_S_C_BEG_STMT_MODE:
|
968 |
|
|
(*_bfd_error_handler)
|
969 |
|
|
(_("DST_S_C_BEG_STMT_MODE not implemented"));
|
970 |
|
|
cmd_length = 1;
|
971 |
|
|
break;
|
972 |
|
|
|
973 |
|
|
case DST_S_C_END_STMT_MODE:
|
974 |
|
|
(*_bfd_error_handler)
|
975 |
|
|
(_("DST_S_C_END_STMT_MODE not implemented"));
|
976 |
|
|
cmd_length = 1;
|
977 |
|
|
break;
|
978 |
|
|
|
979 |
|
|
case DST_S_C_SET_LINUM_B:
|
980 |
|
|
data = pcl_ptr[DST_S_B_PCLINE_UNSBYTE];
|
981 |
|
|
curr_linenum = data;
|
982 |
|
|
cmd_length = 2;
|
983 |
|
|
#if VMS_DEBUG
|
984 |
|
|
_bfd_vms_debug (4, "DST_S_C_SET_LINUM_B: %d\n", data);
|
985 |
|
|
#endif
|
986 |
|
|
break;
|
987 |
|
|
|
988 |
|
|
case DST_S_C_SET_LINE_NUM:
|
989 |
|
|
data = bfd_getl16 (pcl_ptr + DST_S_W_PCLINE_UNSWORD);
|
990 |
|
|
curr_linenum = data;
|
991 |
|
|
cmd_length = 3;
|
992 |
|
|
#if VMS_DEBUG
|
993 |
|
|
_bfd_vms_debug (4, "DST_S_C_SET_LINE_NUM: %d\n", data);
|
994 |
|
|
#endif
|
995 |
|
|
break;
|
996 |
|
|
|
997 |
|
|
case DST_S_C_SET_LINUM_L:
|
998 |
|
|
data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG);
|
999 |
|
|
curr_linenum = data;
|
1000 |
|
|
cmd_length = 5;
|
1001 |
|
|
#if VMS_DEBUG
|
1002 |
|
|
_bfd_vms_debug (4, "DST_S_C_SET_LINUM_L: %d\n", data);
|
1003 |
|
|
#endif
|
1004 |
|
|
break;
|
1005 |
|
|
|
1006 |
|
|
case DST_S_C_SET_PC:
|
1007 |
|
|
(*_bfd_error_handler)
|
1008 |
|
|
(_("DST_S_C_SET_PC not implemented"));
|
1009 |
|
|
cmd_length = 2;
|
1010 |
|
|
break;
|
1011 |
|
|
|
1012 |
|
|
case DST_S_C_SET_PC_W:
|
1013 |
|
|
(*_bfd_error_handler)
|
1014 |
|
|
(_("DST_S_C_SET_PC_W not implemented"));
|
1015 |
|
|
cmd_length = 3;
|
1016 |
|
|
break;
|
1017 |
|
|
|
1018 |
|
|
case DST_S_C_SET_PC_L:
|
1019 |
|
|
(*_bfd_error_handler)
|
1020 |
|
|
(_("DST_S_C_SET_PC_L not implemented"));
|
1021 |
|
|
cmd_length = 5;
|
1022 |
|
|
break;
|
1023 |
|
|
|
1024 |
|
|
case DST_S_C_SET_STMTNUM:
|
1025 |
|
|
(*_bfd_error_handler)
|
1026 |
|
|
(_("DST_S_C_SET_STMTNUM not implemented"));
|
1027 |
|
|
cmd_length = 2;
|
1028 |
|
|
break;
|
1029 |
|
|
|
1030 |
|
|
case DST_S_C_TERM:
|
1031 |
|
|
data = pcl_ptr[DST_S_B_PCLINE_UNSBYTE];
|
1032 |
|
|
curr_pc += data;
|
1033 |
|
|
cmd_length = 2;
|
1034 |
|
|
#if VMS_DEBUG
|
1035 |
|
|
_bfd_vms_debug (4, "DST_S_C_TERM: %d\n", data);
|
1036 |
|
|
#endif
|
1037 |
|
|
break;
|
1038 |
|
|
|
1039 |
|
|
case DST_S_C_TERM_W:
|
1040 |
|
|
data = bfd_getl16 (pcl_ptr + DST_S_W_PCLINE_UNSWORD);
|
1041 |
|
|
curr_pc += data;
|
1042 |
|
|
cmd_length = 3;
|
1043 |
|
|
#if VMS_DEBUG
|
1044 |
|
|
_bfd_vms_debug (4, "DST_S_C_TERM_W: %d\n", data);
|
1045 |
|
|
#endif
|
1046 |
|
|
break;
|
1047 |
|
|
|
1048 |
|
|
case DST_S_C_TERM_L:
|
1049 |
|
|
data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG);
|
1050 |
|
|
curr_pc += data;
|
1051 |
|
|
cmd_length = 5;
|
1052 |
|
|
#if VMS_DEBUG
|
1053 |
|
|
_bfd_vms_debug (4, "DST_S_C_TERM_L: %d\n", data);
|
1054 |
|
|
#endif
|
1055 |
|
|
break;
|
1056 |
|
|
|
1057 |
|
|
case DST_S_C_SET_ABS_PC:
|
1058 |
|
|
data = bfd_getl32 (pcl_ptr + DST_S_L_PCLINE_UNSLONG);
|
1059 |
|
|
curr_pc = data;
|
1060 |
|
|
cmd_length = 5;
|
1061 |
|
|
#if VMS_DEBUG
|
1062 |
|
|
_bfd_vms_debug (4, "DST_S_C_SET_ABS_PC: 0x%x\n", data);
|
1063 |
|
|
#endif
|
1064 |
|
|
break;
|
1065 |
|
|
|
1066 |
|
|
default:
|
1067 |
|
|
if (cmd <= 0)
|
1068 |
|
|
{
|
1069 |
|
|
curr_pc -= cmd;
|
1070 |
|
|
curr_linenum += 1;
|
1071 |
|
|
cmd_length = 1;
|
1072 |
|
|
#if VMS_DEBUG
|
1073 |
|
|
_bfd_vms_debug (4, "bump pc to 0x%llx and line to %d\n",
|
1074 |
|
|
curr_pc, curr_linenum);
|
1075 |
|
|
#endif
|
1076 |
|
|
}
|
1077 |
|
|
else
|
1078 |
|
|
{
|
1079 |
|
|
(*_bfd_error_handler) (_("unknown line command %d"),
|
1080 |
|
|
cmd);
|
1081 |
|
|
cmd_length = 2;
|
1082 |
|
|
}
|
1083 |
|
|
break;
|
1084 |
|
|
}
|
1085 |
|
|
|
1086 |
|
|
if ((curr_linenum != prev_linum && curr_pc != prev_pc)
|
1087 |
|
|
|| cmd <= 0
|
1088 |
|
|
|| cmd == DST_S_C_DELTA_PC_L
|
1089 |
|
|
|| cmd == DST_S_C_DELTA_PC_W)
|
1090 |
|
|
{
|
1091 |
|
|
line = (struct lineinfo *)
|
1092 |
|
|
bfd_zalloc (abfd, sizeof (struct lineinfo));
|
1093 |
|
|
line->address = curr_pc;
|
1094 |
|
|
line->line = curr_linenum;
|
1095 |
|
|
|
1096 |
|
|
curr_line->next = line;
|
1097 |
|
|
curr_line = line;
|
1098 |
|
|
|
1099 |
|
|
prev_linum = curr_linenum;
|
1100 |
|
|
prev_pc = curr_pc;
|
1101 |
|
|
#if VMS_DEBUG
|
1102 |
|
|
_bfd_vms_debug (4, "-> correlate pc 0x%llx with line %d\n",
|
1103 |
|
|
curr_pc, curr_linenum);
|
1104 |
|
|
#endif
|
1105 |
|
|
}
|
1106 |
|
|
|
1107 |
|
|
pcl_ptr += cmd_length;
|
1108 |
|
|
}
|
1109 |
|
|
break;
|
1110 |
|
|
|
1111 |
|
|
case 0x17: /* Undocumented type used by DEC C to declare equates. */
|
1112 |
|
|
#if VMS_DEBUG
|
1113 |
|
|
_bfd_vms_debug (3, "undocumented type 0x17\n");
|
1114 |
|
|
#endif
|
1115 |
|
|
break;
|
1116 |
|
|
|
1117 |
|
|
default:
|
1118 |
|
|
#if VMS_DEBUG
|
1119 |
|
|
_bfd_vms_debug (3, "ignoring record\n");
|
1120 |
|
|
#endif
|
1121 |
|
|
break;
|
1122 |
|
|
|
1123 |
|
|
}
|
1124 |
|
|
|
1125 |
|
|
ptr += rec_length;
|
1126 |
|
|
}
|
1127 |
|
|
|
1128 |
|
|
/* Finalize tables with EOL marker. */
|
1129 |
|
|
srec = (struct srecinfo *) bfd_zalloc (abfd, sizeof (struct srecinfo));
|
1130 |
|
|
srec->line = (unsigned int) -1;
|
1131 |
|
|
srec->srec = (unsigned int) -1;
|
1132 |
|
|
curr_srec->next = srec;
|
1133 |
|
|
|
1134 |
|
|
line = (struct lineinfo *) bfd_zalloc (abfd, sizeof (struct lineinfo));
|
1135 |
|
|
line->line = (unsigned int) -1;
|
1136 |
|
|
line->address = (bfd_vma) -1;
|
1137 |
|
|
curr_line->next = line;
|
1138 |
|
|
|
1139 |
|
|
/* Advertise that this module has been parsed. This is needed
|
1140 |
|
|
because parsing can be either performed at module creation
|
1141 |
|
|
or deferred until debug info is consumed. */
|
1142 |
|
|
SET_MODULE_PARSED (module);
|
1143 |
|
|
}
|
1144 |
|
|
|
1145 |
|
|
/* Build the list of modules for the specified BFD. */
|
1146 |
|
|
|
1147 |
|
|
static struct module *
|
1148 |
|
|
build_module_list (bfd *abfd)
|
1149 |
|
|
{
|
1150 |
|
|
struct module *module, *list = NULL;
|
1151 |
|
|
asection *dmt;
|
1152 |
|
|
|
1153 |
|
|
if ((dmt = bfd_get_section_by_name (abfd, "$DMT$")))
|
1154 |
|
|
{
|
1155 |
|
|
/* We have a DMT section so this must be an image. Parse the
|
1156 |
|
|
section and build the list of modules. This is sufficient
|
1157 |
|
|
since we can compute the start address and the end address
|
1158 |
|
|
of every module from the section contents. */
|
1159 |
|
|
bfd_size_type size = bfd_get_section_size (dmt);
|
1160 |
|
|
unsigned char *ptr, *end;
|
1161 |
|
|
|
1162 |
|
|
ptr = (unsigned char *) bfd_alloc (abfd, size);
|
1163 |
|
|
if (! ptr)
|
1164 |
|
|
return NULL;
|
1165 |
|
|
|
1166 |
|
|
if (! bfd_get_section_contents (abfd, dmt, ptr, 0, size))
|
1167 |
|
|
return NULL;
|
1168 |
|
|
|
1169 |
|
|
#if VMS_DEBUG
|
1170 |
|
|
_bfd_vms_debug (2, "DMT\n");
|
1171 |
|
|
#endif
|
1172 |
|
|
|
1173 |
|
|
end = ptr + size;
|
1174 |
|
|
|
1175 |
|
|
while (ptr < end)
|
1176 |
|
|
{
|
1177 |
|
|
/* Each header declares a module with its start offset and size
|
1178 |
|
|
of debug info in the DST section, as well as the count of
|
1179 |
|
|
program sections (i.e. address spans) it contains. */
|
1180 |
|
|
int modbeg = bfd_getl32 (ptr + DBG_S_L_DMT_MODBEG);
|
1181 |
|
|
int size = bfd_getl32 (ptr + DBG_S_L_DST_SIZE);
|
1182 |
|
|
int count = bfd_getl16 (ptr + DBG_S_W_DMT_PSECT_COUNT);
|
1183 |
|
|
ptr += DBG_S_C_DMT_HEADER_SIZE;
|
1184 |
|
|
|
1185 |
|
|
#if VMS_DEBUG
|
1186 |
|
|
_bfd_vms_debug (3, "module: modbeg = %d, size = %d, count = %d\n",
|
1187 |
|
|
modbeg, size, count);
|
1188 |
|
|
#endif
|
1189 |
|
|
|
1190 |
|
|
/* We create a 'module' structure for each program section since
|
1191 |
|
|
we only support contiguous addresses in a 'module' structure.
|
1192 |
|
|
As a consequence, the actual debug info in the DST section is
|
1193 |
|
|
shared and can be parsed multiple times; that doesn't seem to
|
1194 |
|
|
cause problems in practice. */
|
1195 |
|
|
while (count-- > 0)
|
1196 |
|
|
{
|
1197 |
|
|
int start = bfd_getl32 (ptr + DBG_S_L_DMT_PSECT_START);
|
1198 |
|
|
int length = bfd_getl32 (ptr + DBG_S_L_DMT_PSECT_LENGTH);
|
1199 |
|
|
module = new_module (abfd);
|
1200 |
|
|
module->modbeg = modbeg;
|
1201 |
|
|
module->size = size;
|
1202 |
|
|
module->low = start;
|
1203 |
|
|
module->high = start + length;
|
1204 |
|
|
module->next = list;
|
1205 |
|
|
list = module;
|
1206 |
|
|
ptr += DBG_S_C_DMT_PSECT_SIZE;
|
1207 |
|
|
|
1208 |
|
|
#if VMS_DEBUG
|
1209 |
|
|
_bfd_vms_debug (4, "section: start = 0x%x, length = %d\n",
|
1210 |
|
|
start, length);
|
1211 |
|
|
#endif
|
1212 |
|
|
}
|
1213 |
|
|
}
|
1214 |
|
|
}
|
1215 |
|
|
else
|
1216 |
|
|
{
|
1217 |
|
|
/* We don't have a DMT section so this must be an object. Parse
|
1218 |
|
|
the module right now in order to compute its start address and
|
1219 |
|
|
end address. */
|
1220 |
|
|
module = new_module (abfd);
|
1221 |
|
|
parse_module (abfd, module, PRIV (dst_section)->contents,
|
1222 |
|
|
PRIV (dst_ptr_end) - PRIV (dst_section)->contents);
|
1223 |
|
|
list = module;
|
1224 |
|
|
}
|
1225 |
|
|
|
1226 |
|
|
return list;
|
1227 |
|
|
}
|
1228 |
|
|
|
1229 |
|
|
/* Calculate and return the name of the source file and the line nearest
|
1230 |
|
|
to the wanted location in the specified module. */
|
1231 |
|
|
|
1232 |
|
|
static bfd_boolean
|
1233 |
|
|
module_find_nearest_line (bfd *abfd, struct module *module, bfd_vma addr,
|
1234 |
|
|
const char **file, const char **func,
|
1235 |
|
|
unsigned int *line)
|
1236 |
|
|
{
|
1237 |
|
|
struct funcinfo *funcinfo;
|
1238 |
|
|
struct lineinfo *lineinfo;
|
1239 |
|
|
struct srecinfo *srecinfo;
|
1240 |
|
|
bfd_boolean ret = FALSE;
|
1241 |
|
|
|
1242 |
|
|
/* Parse this module if that was not done at module creation. */
|
1243 |
|
|
if (! IS_MODULE_PARSED (module))
|
1244 |
|
|
{
|
1245 |
|
|
unsigned int size = module->size;
|
1246 |
|
|
unsigned int modbeg = PRIV (dst_section)->filepos + module->modbeg;
|
1247 |
|
|
unsigned char *buffer = (unsigned char *) bfd_malloc (module->size);
|
1248 |
|
|
|
1249 |
|
|
if (bfd_seek (abfd, modbeg, SEEK_SET) != 0
|
1250 |
|
|
|| bfd_bread (buffer, size, abfd) != size)
|
1251 |
|
|
{
|
1252 |
|
|
bfd_set_error (bfd_error_no_debug_section);
|
1253 |
|
|
return FALSE;
|
1254 |
|
|
}
|
1255 |
|
|
|
1256 |
|
|
parse_module (abfd, module, buffer, size);
|
1257 |
|
|
free (buffer);
|
1258 |
|
|
}
|
1259 |
|
|
|
1260 |
|
|
/* Find out the function (if any) that contains the address. */
|
1261 |
|
|
for (funcinfo = module->func_table; funcinfo; funcinfo = funcinfo->next)
|
1262 |
|
|
if (addr >= funcinfo->low && addr <= funcinfo->high)
|
1263 |
|
|
{
|
1264 |
|
|
*func = funcinfo->name;
|
1265 |
|
|
ret = TRUE;
|
1266 |
|
|
break;
|
1267 |
|
|
}
|
1268 |
|
|
|
1269 |
|
|
/* Find out the source file and the line nearest to the address. */
|
1270 |
|
|
for (lineinfo = module->line_table; lineinfo; lineinfo = lineinfo->next)
|
1271 |
|
|
if (lineinfo->next && addr < lineinfo->next->address)
|
1272 |
|
|
{
|
1273 |
|
|
for (srecinfo = module->srec_table; srecinfo; srecinfo = srecinfo->next)
|
1274 |
|
|
if (srecinfo->next && lineinfo->line < srecinfo->next->line)
|
1275 |
|
|
{
|
1276 |
|
|
if (srecinfo->sfile > 0)
|
1277 |
|
|
{
|
1278 |
|
|
*file = module->file_table[srecinfo->sfile].name;
|
1279 |
|
|
*line = srecinfo->srec + lineinfo->line - srecinfo->line;
|
1280 |
|
|
}
|
1281 |
|
|
else
|
1282 |
|
|
{
|
1283 |
|
|
*file = module->name;
|
1284 |
|
|
*line = lineinfo->line;
|
1285 |
|
|
}
|
1286 |
|
|
return TRUE;
|
1287 |
|
|
}
|
1288 |
|
|
|
1289 |
|
|
break;
|
1290 |
|
|
}
|
1291 |
|
|
|
1292 |
|
|
return ret;
|
1293 |
|
|
}
|
1294 |
|
|
|
1295 |
|
|
/* Provided a BFD, a section and an offset into the section, calculate and
|
1296 |
|
|
return the name of the source file and the line nearest to the wanted
|
1297 |
|
|
location. */
|
1298 |
|
|
|
1299 |
|
|
bfd_boolean
|
1300 |
|
|
_bfd_vms_find_nearest_dst_line (bfd *abfd, asection *section,
|
1301 |
|
|
asymbol **symbols ATTRIBUTE_UNUSED,
|
1302 |
|
|
bfd_vma offset, const char **file,
|
1303 |
|
|
const char **func, unsigned int *line)
|
1304 |
|
|
{
|
1305 |
|
|
struct module *module;
|
1306 |
|
|
|
1307 |
|
|
/* What address are we looking for? */
|
1308 |
|
|
bfd_vma addr = section->vma + offset;
|
1309 |
|
|
|
1310 |
|
|
*file = NULL;
|
1311 |
|
|
*func = NULL;
|
1312 |
|
|
*line = 0;
|
1313 |
|
|
|
1314 |
|
|
if (PRIV (dst_section) == NULL)
|
1315 |
|
|
return FALSE;
|
1316 |
|
|
|
1317 |
|
|
if (PRIV (modules) == NULL)
|
1318 |
|
|
{
|
1319 |
|
|
PRIV (modules) = build_module_list (abfd);
|
1320 |
|
|
if (PRIV (modules) == NULL)
|
1321 |
|
|
return FALSE;
|
1322 |
|
|
}
|
1323 |
|
|
|
1324 |
|
|
for (module = PRIV (modules); module; module = module->next)
|
1325 |
|
|
if (addr >= module->low && addr <= module->high)
|
1326 |
|
|
return module_find_nearest_line (abfd, module, addr, file, func, line);
|
1327 |
|
|
|
1328 |
|
|
return FALSE;
|
1329 |
|
|
}
|
1330 |
|
|
|
1331 |
|
|
/* Process EDBG/ETBT record.
|
1332 |
|
|
Return 0 on success, -1 on error */
|
1333 |
|
|
|
1334 |
|
|
static int
|
1335 |
|
|
vms_slurp_debug (bfd *abfd)
|
1336 |
|
|
{
|
1337 |
|
|
if (PRIV (dst_section) == NULL)
|
1338 |
|
|
{
|
1339 |
|
|
/* We have no way to find out beforehand how much debug info there
|
1340 |
|
|
is in an object file, so pick an initial amount and grow it as
|
1341 |
|
|
needed later. */
|
1342 |
|
|
flagword flags = SEC_HAS_CONTENTS | SEC_DEBUGGING | SEC_RELOC;
|
1343 |
|
|
asection *section = bfd_make_section (abfd, "$DST$");
|
1344 |
|
|
if (!section)
|
1345 |
|
|
return -1;
|
1346 |
|
|
section->size = 1024;
|
1347 |
|
|
if (!bfd_set_section_flags (abfd, section, flags))
|
1348 |
|
|
return -1;
|
1349 |
|
|
section->contents = ((unsigned char *)
|
1350 |
|
|
bfd_zmalloc (section->size));
|
1351 |
|
|
if (section->contents == NULL)
|
1352 |
|
|
return -1;
|
1353 |
|
|
section->filepos = (unsigned int)-1;
|
1354 |
|
|
PRIV (dst_section) = section;
|
1355 |
|
|
}
|
1356 |
|
|
|
1357 |
|
|
PRIV (image_section) = PRIV (dst_section);
|
1358 |
|
|
PRIV (image_ptr) = PRIV (dst_section)->contents;
|
1359 |
|
|
|
1360 |
|
|
return _bfd_vms_slurp_tir (abfd, EOBJ_S_C_ETIR);
|
1361 |
|
|
}
|
1362 |
|
|
|
1363 |
|
|
/* Process DBG/EDBG record.
|
1364 |
|
|
Return 0 on success, -1 on error. */
|
1365 |
|
|
|
1366 |
|
|
int
|
1367 |
|
|
_bfd_vms_slurp_dbg (bfd *abfd, int objtype ATTRIBUTE_UNUSED)
|
1368 |
|
|
{
|
1369 |
|
|
#if VMS_DEBUG
|
1370 |
|
|
_bfd_vms_debug (2, "DBG/EDBG\n");
|
1371 |
|
|
#endif
|
1372 |
|
|
|
1373 |
|
|
abfd->flags |= (HAS_DEBUG | HAS_LINENO);
|
1374 |
|
|
|
1375 |
|
|
return vms_slurp_debug (abfd);
|
1376 |
|
|
}
|
1377 |
|
|
|
1378 |
|
|
/* Process TBT/ETBT record.
|
1379 |
|
|
Return 0 on success, -1 on error. */
|
1380 |
|
|
|
1381 |
|
|
int
|
1382 |
|
|
_bfd_vms_slurp_tbt (bfd *abfd, int objtype ATTRIBUTE_UNUSED)
|
1383 |
|
|
{
|
1384 |
|
|
#if VMS_DEBUG
|
1385 |
|
|
_bfd_vms_debug (2, "TBT/ETBT\n");
|
1386 |
|
|
#endif
|
1387 |
|
|
|
1388 |
|
|
abfd->flags |= HAS_LINENO;
|
1389 |
|
|
|
1390 |
|
|
return vms_slurp_debug (abfd);
|
1391 |
|
|
}
|
1392 |
|
|
|
1393 |
|
|
/* Write DBG/EDBG record. */
|
1394 |
|
|
|
1395 |
|
|
int
|
1396 |
|
|
_bfd_vms_write_dbg (bfd *abfd ATTRIBUTE_UNUSED, int objtype ATTRIBUTE_UNUSED)
|
1397 |
|
|
{
|
1398 |
|
|
#if VMS_DEBUG
|
1399 |
|
|
_bfd_vms_debug (2, "vms_write_dbg (%p, objtype)\n", abfd, objtype);
|
1400 |
|
|
#endif
|
1401 |
|
|
|
1402 |
|
|
return 0;
|
1403 |
|
|
}
|
1404 |
|
|
|
1405 |
|
|
/* Write TBT/ETBT record. */
|
1406 |
|
|
|
1407 |
|
|
int
|
1408 |
|
|
_bfd_vms_write_tbt (bfd *abfd ATTRIBUTE_UNUSED, int objtype ATTRIBUTE_UNUSED)
|
1409 |
|
|
{
|
1410 |
|
|
#if VMS_DEBUG
|
1411 |
|
|
_bfd_vms_debug (2, "vms_write_tbt (%p, %d)\n", abfd, objtype);
|
1412 |
|
|
#endif
|
1413 |
|
|
|
1414 |
|
|
return 0;
|
1415 |
|
|
}
|