2007-09-12 H.J. Lu <hongjiu.lu@intel.com>

[deliverable/binutils-gdb.git] / gdb / solib-frv.c

diff --git a/gdb/solib-frv.c b/gdb/solib-frv.c
index 128a5434d0b63f5a4b615dc190c9e56fd6e4b78e..0e5b4d82b54f98eefe8436973836832a25d607d1 100644 (file)
--- a/gdb/solib-frv.c
+++ b/gdb/solib-frv.c
@@ -1,12 +1,11 @@
 /* Handle FR-V (FDPIC) shared libraries for GDB, the GNU Debugger.
-   Copyright (C) 2004
-   Free Software Foundation, Inc.
+   Copyright (C) 2004, 2007 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    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 of the License, or
+   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,
@@ -15,15 +14,14 @@
    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., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include "defs.h"
 #include "gdb_string.h"
 #include "inferior.h"
 #include "gdbcore.h"
+#include "solib.h"
 #include "solist.h"
 #include "frv-tdep.h"
 #include "objfiles.h"
@@ -361,6 +359,14 @@ lm_base (void)
   CORE_ADDR addr;
   gdb_byte buf[FRV_PTR_SIZE];
 
+  /* One of our assumptions is that the main executable has been relocated.
+     Bail out if this has not happened.  (Note that post_create_inferior()
+     in infcmd.c will call solib_add prior to solib_create_inferior_hook().
+     If we allow this to happen, lm_base_cache will be initialized with
+     a bogus value.  */
+  if (main_executable_lm_info == 0)
+    return 0;
+
   /* If we already have a cached value, return it.  */
   if (lm_base_cache)
     return lm_base_cache;