Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 69 insertions, 0 deletions

diff --git a/sim/common/sim-hload.c b/sim/common/sim-hload.c
new file mode 100644
index 0000000..e4016f4
--- /dev/null
+++ b/sim/common/sim-hload.c
@@ -0,0 +1,69 @@
+/* Generic load for hardware simulator models.
+   Copyright (C) 1997 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 2, 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 "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 (sd, prog_name, prog_bfd, from_tty)
+     SIM_DESC sd;
+     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. */
+  /* FIXME: The following simulators use this file as of 980313:
+     m32r, mips, v850 [grep for sim-hload in all Makefile.in's].
+     Each of these should be properly using lma.  When this is confirmed,
+     SIM_HANDLES_LMA can go away.  */
+#ifndef SIM_HANDLES_LMA
+#define SIM_HANDLES_LMA 0
+#endif
+
+  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,
+			      SIM_HANDLES_LMA, 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;
+}