gdb/

	Code cleanup.
	* breakpoint.c (print_breakpoint_location): Replace bp_location field
	source_file references by symtab field references.  Remove variables
	sal and fullname.
	(momentary_breakpoint_from_master, add_location_to_breakpoint):
	(clear_command, say_where): Replace bp_location field source_file
	references by symtab field references.
	(bp_location_dtor): Remove the source_file reference.
	(update_static_tracepoint): Replace bp_location field source_file
	references by symtab field references.
	(breakpoint_free_objfile): New function.
	* breakpoint.h (struct bp_location): Extend the comment for line_number.
	Replace the field source_file by field symtab, extend its comment.
	(breakpoint_free_objfile): New declaration.
	* objfiles.c (free_objfile): Call breakpoint_free_objfile.
	* tui/tui-winsource.c (tui_update_breakpoint_info): Replace bp_location
	field source_file references by symtab field references.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 6c7a153..ffd65e3 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,25 @@
 2013-02-03  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
+       Code cleanup.
+       * breakpoint.c (print_breakpoint_location): Replace bp_location field
+       source_file references by symtab field references.  Remove variables
+       sal and fullname.
+       (momentary_breakpoint_from_master, add_location_to_breakpoint):
+       (clear_command, say_where): Replace bp_location field source_file
+       references by symtab field references.
+       (bp_location_dtor): Remove the source_file reference.
+       (update_static_tracepoint): Replace bp_location field source_file
+       references by symtab field references.
+       (breakpoint_free_objfile): New function.
+       * breakpoint.h (struct bp_location): Extend the comment for line_number.
+       Replace the field source_file by field symtab, extend its comment.
+       (breakpoint_free_objfile): New declaration.
+       * objfiles.c (free_objfile): Call breakpoint_free_objfile.
+       * tui/tui-winsource.c (tui_update_breakpoint_info): Replace bp_location
+       field source_file references by symtab field references.
+
+2013-02-03  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
        Replace xfullpath calls by gdb_realpath calls.
        * cli/cli-cmds.c (find_and_open_script): Remove xfullpath from the
        function comment.

diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 216ac73..847b66c 100644 (file)
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -5694,7 +5694,7 @@ print_breakpoint_location (struct breakpoint *b,
 
   if (b->display_canonical)
     ui_out_field_string (uiout, "what", b->addr_string);
-  else if (loc && loc->source_file)
+  else if (loc && loc->symtab)
     {
       struct symbol *sym 
        = find_pc_sect_function (loc->address, loc->section);
@@ -5707,16 +5707,12 @@ print_breakpoint_location (struct breakpoint *b,
          ui_out_wrap_hint (uiout, wrap_indent_at_field (uiout, "what"));
          ui_out_text (uiout, "at ");
        }
-      ui_out_field_string (uiout, "file", loc->source_file);
+      ui_out_field_string (uiout, "file", loc->symtab->filename);
       ui_out_text (uiout, ":");
       
       if (ui_out_is_mi_like_p (uiout))
-       {
-         struct symtab_and_line sal = find_pc_line (loc->address, 0);
-         const char *fullname = symtab_to_fullname (sal.symtab);
-         
-         ui_out_field_string (uiout, "fullname", fullname);
-       }
+       ui_out_field_string (uiout, "fullname",
+                            symtab_to_fullname (loc->symtab));
       
       ui_out_field_int (uiout, "line", loc->line_number);
     }
@@ -8756,11 +8752,8 @@ momentary_breakpoint_from_master (struct breakpoint *orig,
   copy->loc->section = orig->loc->section;
   copy->loc->pspace = orig->loc->pspace;
   copy->loc->probe = orig->loc->probe;
-
-  if (orig->loc->source_file != NULL)
-    copy->loc->source_file = xstrdup (orig->loc->source_file);
-
   copy->loc->line_number = orig->loc->line_number;
+  copy->loc->symtab = orig->loc->symtab;
   copy->frame_id = orig->frame_id;
   copy->thread = orig->thread;
   copy->pspace = orig->pspace;
@@ -8845,10 +8838,8 @@ add_location_to_breakpoint (struct breakpoint *b,
   gdb_assert (loc->pspace != NULL);
   loc->section = sal->section;
   loc->gdbarch = loc_gdbarch;
-
-  if (sal->symtab != NULL)
-    loc->source_file = xstrdup (sal->symtab->filename);
   loc->line_number = sal->line;
+  loc->symtab = sal->symtab;
 
   set_breakpoint_location_function (loc,
                                    sal->explicit_pc || sal->explicit_line);
@@ -11988,16 +11979,16 @@ clear_command (char *arg, int from_tty)
                  int line_match = 0;
 
                  if ((default_match || sal.explicit_line)
-                     && loc->source_file != NULL
+                     && loc->symtab != NULL
                      && sal.symtab != NULL
                      && sal.pspace == loc->pspace
                      && loc->line_number == sal.line)
                    {
-                     if (filename_cmp (loc->source_file,
+                     if (filename_cmp (loc->symtab->filename,
                                        sal.symtab->filename) == 0)
                        line_match = 1;
                      else if (!IS_ABSOLUTE_PATH (sal.symtab->filename)
-                              && compare_filenames_for_search (loc->source_file,
+                              && compare_filenames_for_search (loc->symtab->filename,
                                                                sal.symtab->filename))
                        line_match = 1;
                    }
@@ -12730,19 +12721,19 @@ say_where (struct breakpoint *b)
     }
   else
     {
-      if (opts.addressprint || b->loc->source_file == NULL)
+      if (opts.addressprint || b->loc->symtab == NULL)
        {
          printf_filtered (" at ");
          fputs_filtered (paddress (b->loc->gdbarch, b->loc->address),
                          gdb_stdout);
        }
-      if (b->loc->source_file)
+      if (b->loc->symtab != NULL)
        {
          /* If there is a single location, we can print the location
             more nicely.  */
          if (b->loc->next == NULL)
            printf_filtered (": file %s, line %d.",
-                            b->loc->source_file, b->loc->line_number);
+                            b->loc->symtab->filename, b->loc->line_number);
          else
            /* This is not ideal, but each location may have a
               different file name, and this at least reflects the
@@ -12770,7 +12761,6 @@ bp_location_dtor (struct bp_location *self)
   if (self->cond_bytecode)
     free_agent_expr (self->cond_bytecode);
   xfree (self->function_name);
-  xfree (self->source_file);
 }
 
 static const struct bp_location_ops bp_location_ops =
@@ -13956,12 +13946,7 @@ update_static_tracepoint (struct breakpoint *b, struct symtab_and_line sal)
          ui_out_text (uiout, "\n");
 
          b->loc->line_number = sal2.line;
-
-         xfree (b->loc->source_file);
-         if (sym)
-           b->loc->source_file = xstrdup (sal2.symtab->filename);
-         else
-           b->loc->source_file = NULL;
+         b->loc->symtab = sym != NULL ? sal2.symtab : NULL;
 
          xfree (b->addr_string);
          b->addr_string = xstrprintf ("%s:%d",
@@ -15798,6 +15783,18 @@ pc_at_non_inline_function (struct address_space *aspace, CORE_ADDR pc,
   return 0;
 }
 
+/* Remove any references to OBJFILE which is going to be freed.  */
+
+void
+breakpoint_free_objfile (struct objfile *objfile)
+{
+  struct bp_location **locp, *loc;
+
+  ALL_BP_LOCATIONS (loc, locp)
+    if (loc->symtab != NULL && loc->symtab->objfile == objfile)
+      loc->symtab = NULL;
+}
+
 void
 initialize_breakpoint_ops (void)
 {

diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index df9d366..7a2c629 100644 (file)
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -465,13 +465,17 @@ struct bp_location
      it becomes 0 this location is retired.  */
   int events_till_retirement;
 
-  /* Line number of this address.  */
+  /* Line number which was used to place this location.
+
+     Breakpoint placed into a comment keeps it's user specified line number
+     despite ADDRESS resolves into a different line number.  */
 
   int line_number;
 
-  /* Source file name of this address.  */
+  /* Symtab which was used to place this location.  This is used
+     to find the corresponding source file name.  */
 
-  char *source_file;
+  struct symtab *symtab;
 };
 
 /* Return values for bpstat_explains_signal.  Note that the order of
@@ -1550,4 +1554,6 @@ extern struct gdbarch *get_sal_arch (struct symtab_and_line sal);
 
 extern void handle_solib_event (void);
 
+extern void breakpoint_free_objfile (struct objfile *objfile);
+
 #endif /* !defined (BREAKPOINT_H) */

diff --git a/gdb/objfiles.c b/gdb/objfiles.c
index 5829699..8c17c14 100644 (file)
--- a/gdb/objfiles.c
+++ b/gdb/objfiles.c
@@ -566,6 +566,8 @@ free_objfile (struct objfile *objfile)
      the symbol file data.  */
   forget_cached_source_info_for_objfile (objfile);
 
+  breakpoint_free_objfile (objfile);
+
   /* First do any symbol file specific actions required when we are
      finished with a particular symbol file.  Note that if the objfile
      is using reusable symbol information (via mmalloc) then each of

diff --git a/gdb/tui/tui-winsource.c b/gdb/tui/tui-winsource.c
index 0f20b11..6c72a6c 100644 (file)
--- a/gdb/tui/tui-winsource.c
+++ b/gdb/tui/tui-winsource.c
@@ -462,8 +462,8 @@ tui_update_breakpoint_info (struct tui_win_info *win,
          for (loc = bp->loc; loc != NULL; loc = loc->next)
            {
              if ((win == TUI_SRC_WIN
-                  && loc->source_file
-                  && (filename_cmp (src->filename, loc->source_file) == 0)
+                  && loc->symtab != NULL
+                  && (filename_cmp (src->filename, loc->symtab->filename) == 0)
                   && line->line_or_addr.loa == LOA_LINE
                   && loc->line_number == line->line_or_addr.u.line_no)
                  || (win == TUI_DISASM_WIN