gdb/

	Add a new variable that controls a way in which filenames are
	displayed.
	* NEWS (set filename-display): New entry.
	* source.c (filename_display_basename, filename_display_relative)
	(filename_display_absolute, filename_display_kind_names)
	(filename_display_string, show_filename_display_string)
	(symtab_to_filename_for_display): New.
	(_initialize_source): Added initialization of 'filename-display'
	variable.
	* source.h (symtab_to_filename_for_display): Added declaration.
	* stack.c (print_frame): Added new variable and calling of a new
	function and condition with this variable. Changed third argument of
	calling of a function.

gdb/doc/
	* gdb.texinfo (Backtrace): Added description of 'filename-display'
	variable in 'set/show backtrace' section.

gdb/testsuite/
	* gdb.dwarf2/dw2-dir-file-name.exp: New file.
	* gdb.dwarf2/dw2-dir-file-name.c: New file.

1 files changed, 4 insertions, 1 deletions

diff --git a/gdb/stack.c b/gdb/stack.c
index c8a6a7e5e64..662b351d209 100644
--- a/gdb/stack.c
+++ b/gdb/stack.c
@@ -1178,11 +1178,14 @@ print_frame (struct frame_info *frame, int print_level,
   ui_out_text (uiout, ")");
   if (sal.symtab)
     {
+      const char *filename_display;
+      
+      filename_display = symtab_to_filename_for_display (sal.symtab);
       annotate_frame_source_begin ();
       ui_out_wrap_hint (uiout, "   ");
       ui_out_text (uiout, " at ");
       annotate_frame_source_file ();
-      ui_out_field_string (uiout, "file", sal.symtab->filename);
+      ui_out_field_string (uiout, "file", filename_display);
       if (ui_out_is_mi_like_p (uiout))
 	{
 	  const char *fullname = symtab_to_fullname (sal.symtab);