gdb/

	New option "set debug auto-load".
	* NEWS: New commands "set debug auto-load" and "show debug auto-load".
	* auto-load.c (debug_auto_load, show_debug_auto_load: New.
	(auto_load_safe_path_vec_update)
	(filename_is_in_auto_load_safe_path_vec): Call fprintf_unfiltered
	if DEBUG_AUTO_LOAD.
	(file_is_auto_load_safe): New parameters debug_fmt and ....
	Call fprintf_unfiltered if DEBUG_AUTO_LOAD.
	(source_gdb_script_for_objfile): Extend the file_is_auto_load_safe
	caller by explanatory string.
	(_initialize_auto_load): Register "set debug auto-load".
	* auto-load.h (file_is_auto_load_safe): New parameters debug_fmt
	and ....
	* linux-thread-db.c (try_thread_db_load_from_pdir_1)
	(try_thread_db_load_from_dir): Extend the file_is_auto_load_safe caller
	by explanatory string.
	* main.c (captured_main): Likewise.
	* python/py-auto-load.c (gdbpy_load_auto_script_for_objfile)
	(source_section_scripts): Likewise.

gdb/doc/
	New option "set debug auto-load".
	* gdb.texinfo (Auto-loading): New menu item for auto-load verbose mode.
	(auto-load verbose mode): New node.

2 files changed, 46 insertions, 0 deletions

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index b4f18dc..a5d66f0 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,5 +1,11 @@
 2012-04-17  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
+	New option "set debug auto-load".
+	* gdb.texinfo (Auto-loading): New menu item for auto-load verbose mode.
+	(auto-load verbose mode): New node.
+
+2012-04-17  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
 	New option "set auto-load safe-path".
 	* gdb.texinfo (Auto-loading): Extend the "show auto-load"
 	and "info auto-load" examples for safe-path.  Put there also references
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index ce90f60..14b4fda 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -20978,6 +20978,7 @@ These are @value{GDBN} control commands for the auto-loading:
 * libthread_db.so.1 file::             @samp{set/show/info auto-load libthread-db}
 * objfile-gdb.gdb file::               @samp{set/show/info auto-load gdb-script}
 * Auto-loading safe path::             @samp{set/show/info auto-load safe-path}
+* Auto-loading verbose mode::          @samp{set/show debug auto-load}
 @xref{Python Auto-loading}.
 @end menu
 
@@ -21176,6 +21177,45 @@ entries again.  @value{GDBN} already canonicalizes most of the filenames on its
 own before starting the comparison so a canonical form of directories is
 recommended to be entered.
 
+@node Auto-loading verbose mode
+@subsection Displaying files tried for auto-load
+@cindex auto-loading verbose mode
+
+For better visibility of all the file locations where you can place scripts to
+be auto-loaded with inferior --- or to protect yourself against accidental
+execution of untrusted scripts --- @value{GDBN} provides a feature for printing
+all the files attempted to be loaded.  Both existing and non-existing files may
+be printed.
+
+For example the list of directories from which it is safe to auto-load files
+(@pxref{Auto-loading safe path}) applies also to canonicalized filenames which
+may not be too obvious while setting it up.
+
+@smallexample
+(gdb) set debug auto-load ues
+(gdb) file ~/src/t/true
+auto-load: Loading canned sequences of commands script "/tmp/true-gdb.gdb"
+           for objfile "/tmp/true".
+auto-load: Updating directories of "/usr:/opt".
+auto-load: Using directory "/usr".
+auto-load: Using directory "/opt".
+warning: File "/tmp/true-gdb.gdb" auto-loading has been declined
+         by your `auto-load safe-path' set to "/usr:/opt".
+@end smallexample
+
+@table @code
+@anchor{set debug auto-load}
+@kindex set debug auto-load
+@item set debug auto-load [on|off]
+Set whether to print the filenames attempted to be auto-loaded.
+
+@anchor{show debug auto-load}
+@kindex show debug auto-load
+@item show debug auto-load
+Show whether printing of the filenames attempted to be auto-loaded is turned
+on or off.
+@end table
+
 @node Messages/Warnings
 @section Optional Warnings and Messages