* breakpoint.c (breakpoint_init_inferior): Also delete

bp_shlib_event breakpoints.
	* solib-frv.c (enable_break): Remove call to
	remove_solib_event_breakpoints.
	* solib-svr4.c (enable_break): Ditto.
	* solib-darwin.c (darwin_solib_create_inferior_hook): Ditto.
	* solib-pa64.c (pa64_solib_create_inferior_hook): Ditto.
	* solib-som.c (som_solib_create_inferior_hook): Ditto.
	* solib-spu.c (spu_enable_break): Ditto.

gdb/ChangeLog

@@ -1,3 +1,15 @@
+2010-02-24  Pedro Alves  <pedro@codesourcery.com>
+
+	* breakpoint.c (breakpoint_init_inferior): Also delete
+	bp_shlib_event breakpoints.
+	* solib-frv.c (enable_break): Remove call to
+	remove_solib_event_breakpoints.
+	* solib-svr4.c (enable_break): Ditto.
+	* solib-darwin.c (darwin_solib_create_inferior_hook): Ditto.
+	* solib-pa64.c (pa64_solib_create_inferior_hook): Ditto.
+	* solib-som.c (som_solib_create_inferior_hook): Ditto.
+	* solib-spu.c (spu_enable_break): Ditto.
+
 2010-02-23  Harald Koenig  <H.Koenig@science-computing.de>
 
 	* c-exp.y (token_and_value): s/union YYSTYPE/YYSTYPE.

gdb/breakpoint.c

@@ -2248,13 +2248,31 @@ breakpoint_init_inferior (enum inf_context context)
     switch (b->type)
       {
       case bp_call_dummy:
-      case bp_watchpoint_scope:
 
 	/* If the call dummy breakpoint is at the entry point it will
-	   cause problems when the inferior is rerun, so we better
+	   cause problems when the inferior is rerun, so we better get
-	   get rid of it. 
+	   rid of it.  */
+
+      case bp_watchpoint_scope:
+
+	/* Also get rid of scope breakpoints.  */
+
+      case bp_shlib_event:
+
+	/* Also remove solib event breakpoints.  Their addresses may
+	   have changed since the last time we ran the program.
+	   Actually we may now be debugging against different target;
+	   and so the solib backend that installed this breakpoint may
+	   not be used in by the target.  E.g.,
+
+	   (gdb) file prog-linux
+	   (gdb) run               # native linux target
+	   ...
+	   (gdb) kill
+	   (gdb) file prog-win.exe
+	   (gdb) tar rem :9999     # remote Windows gdbserver.
+	*/
 
-	   Also get rid of scope breakpoints.  */
 	delete_breakpoint (b);
 	break;
 

gdb/solib-darwin.c

@@ -309,10 +309,6 @@ darwin_solib_create_inferior_hook (int from_tty)
   bfd *dyld_bfd = NULL;
   struct inferior *inf = current_inferior ();
 
-  /* First, remove all the solib event breakpoints.  Their addresses
-     may have changed since the last time we ran the program.  */
-  remove_solib_event_breakpoints ();
-
   /* Find the program interpreter.  */
   interp_name = find_program_interpreter ();
   if (!interp_name)

gdb/solib-frv.c

@@ -818,10 +818,6 @@ enable_break (void)
 {
   asection *interp_sect;
 
-  /* Remove all the solib event breakpoints.  Their addresses
-     may have changed since the last time we ran the program.  */
-  remove_solib_event_breakpoints ();
-
   if (symfile_objfile == NULL)
     {
       if (solib_frv_debug)

gdb/solib-pa64.c

@@ -338,10 +338,6 @@ pa64_solib_create_inferior_hook (int from_tty)
   struct objfile *objfile;
   CORE_ADDR anaddr;
 
-  /* First, remove all the solib event breakpoints.  Their addresses
-     may have changed since the last time we ran the program.  */
-  remove_solib_event_breakpoints ();
-
   if (symfile_objfile == NULL)
     return;
 

gdb/solib-som.c

@@ -192,10 +192,6 @@ som_solib_create_inferior_hook (int from_tty)
   char buf[4];
   CORE_ADDR anaddr;
 
-  /* First, remove all the solib event breakpoints.  Their addresses
-     may have changed since the last time we ran the program.  */
-  remove_solib_event_breakpoints ();
-
   if (symfile_objfile == NULL)
     return;
 

gdb/solib-spu.c

@@ -367,10 +367,6 @@ spu_enable_break (struct objfile *objfile)
 static void
 spu_solib_create_inferior_hook (int from_tty)
 {
-  /* Remove all previously installed solib breakpoints.  Both the SVR4
-     code and us will re-install all required breakpoints.  */
-  remove_solib_event_breakpoints ();
-
   /* Handle SPE stand-alone executables.  */
   if (spu_standalone_p ())
     {

gdb/solib-svr4.c

@@ -1315,10 +1315,6 @@ enable_break (struct svr4_info *info, int from_tty)
   gdb_byte *interp_name;
   CORE_ADDR sym_addr;
 
-  /* First, remove all the solib event breakpoints.  Their addresses
-     may have changed since the last time we ran the program.  */
-  remove_solib_event_breakpoints ();
-
   info->interp_text_sect_low = info->interp_text_sect_high = 0;
   info->interp_plt_sect_low = info->interp_plt_sect_high = 0;