PR breakpoints/9350:

	* varobj.c (varobj_invalidate): Unconditionally free
	all_rootvarobj.
	* symfile.c (syms_from_objfile): Free local_addr when returning
	normally.
	* exec.c (exec_file_attach): Do cleanups before returning.
	(exec_file_command): Likewise.
	* corefile.c (reopen_exec_file): Do cleanups before returning.
	* breakpoint.c (insert_breakpoint_locations): Do cleanups before
	returning.
	(do_vec_free): New function.
	(update_global_location_list): Make a cleanup for old_locations.
	Do cleanups before returning.  Remove unused variable 'e'.
	(find_condition_and_thread): Free result of parsing the
	expression.
	(print_it_typical): Do cleanups before returning.
	(breakpoint_re_set_one): Always free sals.sals.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 665ae66..8e4acbf 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,23 @@
+2009-01-08  Tom Tromey  <tromey@redhat.com>
+
+       PR breakpoints/9350:
+       * varobj.c (varobj_invalidate): Unconditionally free
+       all_rootvarobj.
+       * symfile.c (syms_from_objfile): Free local_addr when returning
+       normally.
+       * exec.c (exec_file_attach): Do cleanups before returning.
+       (exec_file_command): Likewise.
+       * corefile.c (reopen_exec_file): Do cleanups before returning.
+       * breakpoint.c (insert_breakpoint_locations): Do cleanups before
+       returning. 
+       (do_vec_free): New function.
+       (update_global_location_list): Make a cleanup for old_locations.
+       Do cleanups before returning.  Remove unused variable 'e'.
+       (find_condition_and_thread): Free result of parsing the
+       expression.
+       (print_it_typical): Do cleanups before returning.
+       (breakpoint_re_set_one): Always free sals.sals.
+
 2009-01-08  Joel Brobecker  <brobecker@adacore.com>
            Emi Suzuki  <emi-suzuki@tjsys.co.jp>
  

diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 41fefe1..65bbca9 100644 (file)
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -1278,7 +1278,7 @@ insert_breakpoint_locations (void)
   int hw_breakpoint_error = 0;
 
   struct ui_file *tmp_error_stream = mem_fileopen ();
-  make_cleanup_ui_file_delete (tmp_error_stream);
+  struct cleanup *cleanups = make_cleanup_ui_file_delete (tmp_error_stream);
   
   /* Explicitly mark the warning -- this will only be printed if
      there was an error.  */
@@ -1351,6 +1351,8 @@ You may have requested too many hardware breakpoints/watchpoints.\n");
       target_terminal_ours_for_output ();
       error_stream (tmp_error_stream);
     }
+
+  do_cleanups (cleanups);
 }
 
 int
@@ -2232,13 +2234,13 @@ watchpoint_value_print (struct value *val, struct ui_file *stream)
 static enum print_stop_action
 print_it_typical (bpstat bs)
 {
-  struct cleanup *old_chain, *ui_out_chain;
+  struct cleanup *old_chain;
   struct breakpoint *b;
   const struct bp_location *bl;
   struct ui_stream *stb;
-  int bp_temp = 0;  
-  stb = ui_out_stream_new (uiout);
-  old_chain = make_cleanup_ui_out_stream_delete (stb);
+  int bp_temp = 0;
+  enum print_stop_action result;
+
   /* bs->breakpoint_at can be NULL if it was a momentary breakpoint
      which has since been deleted.  */
   if (bs->breakpoint_at == NULL)
@@ -2246,6 +2248,9 @@ print_it_typical (bpstat bs)
   bl = bs->breakpoint_at;
   b = bl->owner;
 
+  stb = ui_out_stream_new (uiout);
+  old_chain = make_cleanup_ui_out_stream_delete (stb);
+
   switch (b->type)
     {
     case bp_breakpoint:
@@ -2268,7 +2273,7 @@ print_it_typical (bpstat bs)
        }
       ui_out_field_int (uiout, "bkptno", b->number);
       ui_out_text (uiout, ", ");
-      return PRINT_SRC_AND_LOC;
+      result = PRINT_SRC_AND_LOC;
       break;
 
     case bp_shlib_event:
@@ -2276,20 +2281,20 @@ print_it_typical (bpstat bs)
         variable?  (If so, we report this as a generic, "Stopped due
         to shlib event" message.) */
       printf_filtered (_("Stopped due to shared library event\n"));
-      return PRINT_NOTHING;
+      result = PRINT_NOTHING;
       break;
 
     case bp_thread_event:
       /* Not sure how we will get here. 
         GDB should not stop for these breakpoints.  */
       printf_filtered (_("Thread Event Breakpoint: gdb should not stop!\n"));
-      return PRINT_NOTHING;
+      result = PRINT_NOTHING;
       break;
 
     case bp_overlay_event:
       /* By analogy with the thread event, GDB should not stop for these. */
       printf_filtered (_("Overlay Event Breakpoint: gdb should not stop!\n"));
-      return PRINT_NOTHING;
+      result = PRINT_NOTHING;
       break;
 
     case bp_watchpoint:
@@ -2300,17 +2305,16 @@ print_it_typical (bpstat bs)
          (uiout, "reason",
           async_reason_lookup (EXEC_ASYNC_WATCHPOINT_TRIGGER));
       mention (b);
-      ui_out_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "value");
+      make_cleanup_ui_out_tuple_begin_end (uiout, "value");
       ui_out_text (uiout, "\nOld value = ");
       watchpoint_value_print (bs->old_val, stb->stream);
       ui_out_field_stream (uiout, "old", stb);
       ui_out_text (uiout, "\nNew value = ");
       watchpoint_value_print (b->val, stb->stream);
       ui_out_field_stream (uiout, "new", stb);
-      do_cleanups (ui_out_chain);
       ui_out_text (uiout, "\n");
       /* More than one watchpoint may have been triggered.  */
-      return PRINT_UNKNOWN;
+      result = PRINT_UNKNOWN;
       break;
 
     case bp_read_watchpoint:
@@ -2319,13 +2323,12 @@ print_it_typical (bpstat bs)
          (uiout, "reason",
           async_reason_lookup (EXEC_ASYNC_READ_WATCHPOINT_TRIGGER));
       mention (b);
-      ui_out_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "value");
+      make_cleanup_ui_out_tuple_begin_end (uiout, "value");
       ui_out_text (uiout, "\nValue = ");
       watchpoint_value_print (b->val, stb->stream);
       ui_out_field_stream (uiout, "value", stb);
-      do_cleanups (ui_out_chain);
       ui_out_text (uiout, "\n");
-      return PRINT_UNKNOWN;
+      result = PRINT_UNKNOWN;
       break;
 
     case bp_access_watchpoint:
@@ -2337,7 +2340,7 @@ print_it_typical (bpstat bs)
              (uiout, "reason",
               async_reason_lookup (EXEC_ASYNC_ACCESS_WATCHPOINT_TRIGGER));
          mention (b);
-         ui_out_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "value");
+         make_cleanup_ui_out_tuple_begin_end (uiout, "value");
          ui_out_text (uiout, "\nOld value = ");
          watchpoint_value_print (bs->old_val, stb->stream);
          ui_out_field_stream (uiout, "old", stb);
@@ -2350,14 +2353,13 @@ print_it_typical (bpstat bs)
            ui_out_field_string
              (uiout, "reason",
               async_reason_lookup (EXEC_ASYNC_ACCESS_WATCHPOINT_TRIGGER));
-         ui_out_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "value");
+         make_cleanup_ui_out_tuple_begin_end (uiout, "value");
          ui_out_text (uiout, "\nValue = ");
        }
       watchpoint_value_print (b->val, stb->stream);
       ui_out_field_stream (uiout, "new", stb);
-      do_cleanups (ui_out_chain);
       ui_out_text (uiout, "\n");
-      return PRINT_UNKNOWN;
+      result = PRINT_UNKNOWN;
       break;
 
     /* Fall through, we don't deal with these types of breakpoints
@@ -2368,7 +2370,7 @@ print_it_typical (bpstat bs)
        ui_out_field_string
          (uiout, "reason",
           async_reason_lookup (EXEC_ASYNC_FUNCTION_FINISHED));
-      return PRINT_UNKNOWN;
+      result = PRINT_UNKNOWN;
       break;
 
     case bp_until:
@@ -2376,7 +2378,7 @@ print_it_typical (bpstat bs)
        ui_out_field_string
          (uiout, "reason",
           async_reason_lookup (EXEC_ASYNC_LOCATION_REACHED));
-      return PRINT_UNKNOWN;
+      result = PRINT_UNKNOWN;
       break;
 
     case bp_none:
@@ -2386,8 +2388,12 @@ print_it_typical (bpstat bs)
     case bp_watchpoint_scope:
     case bp_call_dummy:
     default:
-      return PRINT_UNKNOWN;
+      result = PRINT_UNKNOWN;
+      break;
     }
+
+  do_cleanups (old_chain);
+  return result;
 }
 
 /* Generic routine for printing messages indicating why we
@@ -5432,8 +5438,11 @@ find_condition_and_thread (char *tok, CORE_ADDR pc,
       
       if (toklen >= 1 && strncmp (tok, "if", toklen) == 0)
        {
+         struct expression *expr;
+
          tok = cond_start = end_tok + 1;
-         parse_exp_1 (&tok, block_for_pc (pc), 0);
+         expr = parse_exp_1 (&tok, block_for_pc (pc), 0);
+         xfree (expr);
          cond_end = tok;
          *cond_string = savestring (cond_start, 
                                     cond_end - cond_start);
@@ -6846,6 +6855,16 @@ breakpoint_auto_delete (bpstat bs)
   }
 }
 
+/* A cleanup function which destroys a vector.  */
+
+static void
+do_vec_free (void *p)
+{
+  VEC(bp_location_p) **vec = p;
+  if (*vec)
+    VEC_free (bp_location_p, *vec);
+}
+
 /* If SHOULD_INSERT is false, do not insert any breakpoint locations
    into the inferior, only remove already-inserted locations that no
    longer should be inserted.  Functions that delete a breakpoint or
@@ -6868,11 +6887,12 @@ update_global_location_list (int should_insert)
   struct bp_location **next = &bp_location_chain;
   struct bp_location *loc;
   struct bp_location *loc2;
-  struct gdb_exception e;
   VEC(bp_location_p) *old_locations = NULL;
   int ret;
   int ix;
-  
+  struct cleanup *cleanups;
+
+  cleanups = make_cleanup (do_vec_free, &old_locations);
   /* Store old locations for future reference.  */
   for (loc = bp_location_chain; loc; loc = loc->global_next)
     VEC_safe_push (bp_location_p, old_locations, loc);
@@ -7001,6 +7021,8 @@ update_global_location_list (int should_insert)
          || (gdbarch_has_global_solist (target_gdbarch)
              && target_supports_multi_process ())))
     insert_breakpoint_locations ();
+
+  do_cleanups (cleanups);
 }
 
 void
@@ -7360,7 +7382,7 @@ breakpoint_re_set_one (void *bint)
   char *s;
   enum enable_state save_enable;
   struct gdb_exception e;
-
+  struct cleanup *cleanups;
 
   switch (b->type)
     {
@@ -7430,9 +7452,9 @@ breakpoint_re_set_one (void *bint)
          b->condition_not_parsed = 0;
        }
       expanded = expand_line_sal_maybe (sals.sals[0]);
+      cleanups = make_cleanup (xfree, sals.sals);
       update_breakpoint_locations (b, expanded);
-
-      xfree (sals.sals);
+      do_cleanups (cleanups);
       break;
 
     case bp_watchpoint:

diff --git a/gdb/corefile.c b/gdb/corefile.c
index 2566f9f..57a0cdf 100644 (file)
--- a/gdb/corefile.c
+++ b/gdb/corefile.c
@@ -153,6 +153,7 @@ reopen_exec_file (void)
   int res;
   struct stat st;
   long mtime;
+  struct cleanup *cleanups;
 
   /* Don't do anything if there isn't an exec file. */
   if (exec_bfd == NULL)
@@ -160,7 +161,7 @@ reopen_exec_file (void)
 
   /* If the timestamp of the exec file has changed, reopen it. */
   filename = xstrdup (bfd_get_filename (exec_bfd));
-  make_cleanup (xfree, filename);
+  cleanups = make_cleanup (xfree, filename);
   res = stat (filename, &st);
 
   if (exec_bfd_mtime && exec_bfd_mtime != st.st_mtime)
@@ -170,6 +171,8 @@ reopen_exec_file (void)
        this stops GDB from holding the executable open after it
        exits.  */
     bfd_cache_close_all ();
+
+  do_cleanups (cleanups);
 #endif
 }
 \f

diff --git a/gdb/exec.c b/gdb/exec.c
index 542af0e..8d8c1df 100644 (file)
--- a/gdb/exec.c
+++ b/gdb/exec.c
@@ -194,6 +194,7 @@ exec_file_attach (char *filename, int from_tty)
     }
   else
     {
+      struct cleanup *cleanups;
       char *scratch_pathname;
       int scratch_chan;
 
@@ -228,7 +229,7 @@ exec_file_attach (char *filename, int from_tty)
          via the exec_bfd->name pointer, so we need to make another copy and
          leave exec_bfd as the new owner of the original copy. */
       scratch_pathname = xstrdup (scratch_pathname);
-      make_cleanup (xfree, scratch_pathname);
+      cleanups = make_cleanup (xfree, scratch_pathname);
 
       if (!bfd_check_format (exec_bfd, bfd_object))
        {
@@ -276,6 +277,8 @@ exec_file_attach (char *filename, int from_tty)
       /* Tell display code (if any) about the changed file name.  */
       if (deprecated_exec_file_display_hook)
        (*deprecated_exec_file_display_hook) (filename);
+
+      do_cleanups (cleanups);
     }
   bfd_cache_close_all ();
   observer_notify_executable_changed ();
@@ -302,11 +305,13 @@ exec_file_command (char *args, int from_tty)
 
   if (args)
     {
+      struct cleanup *cleanups;
+
       /* Scan through the args and pick up the first non option arg
          as the filename.  */
 
       argv = gdb_buildargv (args);
-      make_cleanup_freeargv (argv);
+      cleanups = make_cleanup_freeargv (argv);
 
       for (; (*argv != NULL) && (**argv == '-'); argv++)
         {;
@@ -317,6 +322,8 @@ exec_file_command (char *args, int from_tty)
       filename = tilde_expand (*argv);
       make_cleanup (xfree, filename);
       exec_file_attach (filename, from_tty);
+
+      do_cleanups (cleanups);
     }
   else
     exec_file_attach (NULL, from_tty);

diff --git a/gdb/symfile.c b/gdb/symfile.c
index 14cb7b8..21328b8 100644 (file)
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -899,6 +899,7 @@ syms_from_objfile (struct objfile *objfile,
   /* Discard cleanups as symbol reading was successful.  */
 
   discard_cleanups (old_chain);
+  xfree (local_addr);
 }
 
 /* Perform required actions after either reading in the initial

diff --git a/gdb/varobj.c b/gdb/varobj.c
index 25cc207..5b2ed9c 100644 (file)
--- a/gdb/varobj.c
+++ b/gdb/varobj.c
@@ -2780,7 +2780,7 @@ varobj_invalidate (void)
 
         varp++;
       }
-    xfree (all_rootvarobj);
   }
+  xfree (all_rootvarobj);
   return;
 }