sim/common/sim-hload.c

/* Generic load for hardware simulator models.
   Copyright (C) 1997-2021 Free Software Foundation, Inc.
   Contributed by Cygnus Support.

This file is part of GDB, the GNU debugger.

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 3 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, see <http://www.gnu.org/licenses/>.  */

/* This must come before any other includes.  */
#include "defs.h"

#include "sim-main.h"
#include "bfd.h"
#include "sim-utils.h"
#include "sim-assert.h"


/* Generic implementation of sim_load that works with simulators
   modeling a hardware platform. */

SIM_RC
sim_load (SIM_DESC sd, const char *prog_name, struct bfd *prog_bfd, int from_tty)
{
  bfd *result_bfd;

  SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
  if (sim_analyze_program (sd, prog_name, prog_bfd) != SIM_RC_OK)
    return SIM_RC_FAIL;
  SIM_ASSERT (STATE_PROG_BFD (sd) != NULL);

  /* NOTE: For historical reasons, older hardware simulators
     incorrectly write the program sections at LMA interpreted as a
     virtual address.  This is still accommodated for backward
     compatibility reasons. */

  result_bfd = sim_load_file (sd, STATE_MY_NAME (sd),
			      STATE_CALLBACK (sd),
			      prog_name,
			      STATE_PROG_BFD (sd),
			      STATE_OPEN_KIND (sd) == SIM_OPEN_DEBUG,
			      STATE_LOAD_AT_LMA_P (sd),
			      sim_write);
  if (result_bfd == NULL)
    {
      bfd_close (STATE_PROG_BFD (sd));
      STATE_PROG_BFD (sd) = NULL;
      return SIM_RC_FAIL;
    }
  return SIM_RC_OK;
}