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, 87 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-dir-file-name.c b/gdb/testsuite/gdb.dwarf2/dw2-dir-file-name.c
new file mode 100644
index 0000000..724f22a
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-dir-file-name.c
@@ -0,0 +1,87 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2012 Free Software Foundation, Inc.
+
+   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 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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, see <http://www.gnu.org/licenses/>.  */
+
+volatile int v;
+
+static void
+marker (void)
+{
+  v++;
+}
+
+/* *R* marks possibly invalid compiler output as the first path component is
+   not absolute.  Still DWARF-4 does not forbid such DWARF; GCC does not
+   produce it.  */
+
+#define FUNCBLOCK						\
+FUNC (compdir_missing__ldir_missing__file_basename)	   /*R*/\
+FUNC (compdir_missing__ldir_missing__file_relative)	   /*R*/\
+FUNC (compdir_missing__ldir_missing__file_absolute)		\
+FUNC (compdir_missing__ldir_relative_file_basename)	   /*R*/\
+FUNC (compdir_missing__ldir_relative_file_relative)	   /*R*/\
+FUNC (compdir_missing__ldir_relative_file_absolute)	   /*R*/\
+FUNC (compdir_missing__ldir_absolute_file_basename)		\
+FUNC (compdir_missing__ldir_absolute_file_relative)		\
+FUNC (compdir_missing__ldir_absolute_file_absolute_same)	\
+FUNC (compdir_missing__ldir_absolute_file_absolute_different)	\
+FUNC (compdir_relative_ldir_missing__file_basename)	   /*R*/\
+FUNC (compdir_relative_ldir_missing__file_relative)	   /*R*/\
+FUNC (compdir_relative_ldir_missing__file_absolute)	   /*R*/\
+FUNC (compdir_relative_ldir_relative_file_basename)	   /*R*/\
+FUNC (compdir_relative_ldir_relative_file_relative)	   /*R*/\
+FUNC (compdir_relative_ldir_relative_file_absolute)	   /*R*/\
+FUNC (compdir_relative_ldir_absolute_file_basename)	   /*R*/\
+FUNC (compdir_relative_ldir_absolute_file_relative)	   /*R*/\
+FUNC (compdir_relative_ldir_absolute_file_absolute_same)   /*R*/\
+FUNC (compdir_relative_ldir_absolute_file_absolute_different) /*R*/\
+FUNC (compdir_absolute_ldir_missing__file_basename)		\
+FUNC (compdir_absolute_ldir_missing__file_relative)		\
+FUNC (compdir_absolute_ldir_missing__file_absolute_same)	\
+FUNC (compdir_absolute_ldir_missing__file_absolute_different)	\
+FUNC (compdir_absolute_ldir_relative_file_basename)		\
+FUNC (compdir_absolute_ldir_relative_file_relative)		\
+FUNC (compdir_absolute_ldir_relative_file_absolute_same)	\
+FUNC (compdir_absolute_ldir_relative_file_absolute_different)	\
+FUNC (compdir_absolute_ldir_absolute_file_basename_same)	\
+FUNC (compdir_absolute_ldir_absolute_file_basename_different)	\
+FUNC (compdir_absolute_ldir_absolute_file_relative_same)	\
+FUNC (compdir_absolute_ldir_absolute_file_relative_different)	\
+FUNC (compdir_absolute_ldir_absolute_file_absolute_same)	\
+FUNC (compdir_absolute_ldir_absolute_file_absolute_different)
+
+#define FUNC(name)					\
+  asm (#name "_start: .globl " #name "_start\n");	\
+  static void						\
+  name (void)						\
+  {							\
+    v++;						\
+  }							\
+  asm (#name "_end: .globl " #name "_end\n");
+FUNCBLOCK
+#undef FUNC
+
+int
+main (void)
+{
+
+#define FUNC(name)					\
+  name ();
+FUNCBLOCK
+#undef FUNC
+
+  return 0;
+}