sim/common/sim-hload.c

   1 /* Generic load for hardware simulator models.
   2    Copyright (C) 1997 Free Software Foundation, Inc.
   3    Contributed by Cygnus Support.
   4
   5 This file is part of GDB, the GNU debugger.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License along
  18 with this program; if not, write to the Free Software Foundation, Inc.,
  19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #include "sim-main.h"
  22 #include "bfd.h"
  23 #include "sim-utils.h"
  24 #include "sim-assert.h"
  25
  26
  27 /* Generic implementation of sim_load that works with simulators
  28    modeling a hardware platform. */
  29
  30 SIM_RC
  31 sim_load (sd, prog_name, prog_bfd, from_tty)
  32      SIM_DESC sd;
  33      char *prog_name;
  34      struct _bfd *prog_bfd;
  35      int from_tty;
  36 {
  37   bfd *result_bfd;
  38
  39   SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
  40   if (sim_analyze_program (sd, prog_name, prog_bfd) != SIM_RC_OK)
  41     return SIM_RC_FAIL;
  42   SIM_ASSERT (STATE_PROG_BFD (sd) != NULL);
  43
  44   /* NOTE: For historical reasons, older hardware simulators
  45      incorrectly write the program sections at LMA interpreted as a
  46      virtual address.  This is still accommodated for backward
  47      compatibility reasons. */
  48   /* FIXME: The following simulators use this file as of 980313:
  49      m32r, mips, v850 [grep for sim-hload in all Makefile.in's].
  50      Each of these should be properly using lma.  When this is confirmed,
  51      SIM_HANDLES_LMA can go away.  */
  52 #ifndef SIM_HANDLES_LMA
  53 #define SIM_HANDLES_LMA 0
  54 #endif
  55
  56   result_bfd = sim_load_file (sd, STATE_MY_NAME (sd),
  57                               STATE_CALLBACK (sd),
  58                               prog_name,
  59                               STATE_PROG_BFD (sd),
  60                               STATE_OPEN_KIND (sd) == SIM_OPEN_DEBUG,
  61                               SIM_HANDLES_LMA, sim_write);
  62   if (result_bfd == NULL)
  63     {
  64       bfd_close (STATE_PROG_BFD (sd));
  65       STATE_PROG_BFD (sd) = NULL;
  66       return SIM_RC_FAIL;
  67     }
  68   return SIM_RC_OK;
  69 }