Add support for inlining scripts into .debug_gdb_scripts.

include/gdb/ChangeLog:

	* section-scripts.h: Remove "future extension" comment.
	(SECTION_SCRIPT_ID_PYTHON_TEXT): New macro.
	(SECTION_SCRIPT_ID_SCHEME_TEXT): New macro.

gdb/ChangeLog:

	* NEWS: Mention inlined scripts in .debug_gdb_scripts section.
	* auto-load.c: #include ctype.h.
	(struct auto_load_pspace_info): Replace member loaded_scripts with
	new members loaded_script_files, loaded_script_texts.
	(auto_load_pspace_data_cleanup): Update.
	(init_loaded_scripts_info): Update.
	(get_auto_load_pspace_data_for_loading): Update.
	(maybe_add_script_file): Renamed from maybe_add_script.  All callers
	updated.
	(maybe_add_script_text): New function.
	(clear_section_scripts): Update.
	(source_script_file, execute_script_contents): New functions.
	(source_section_scripts): Add support for
	SECTION_SCRIPT_ID_PYTHON_TEXT, SECTION_SCRIPT_ID_GUILE_TEXT.
	(print_scripts): New function.
	(auto_load_info_scripts): Also print inlined scripts.
	(maybe_print_unsupported_script_warning): Renamed from
	unsupported_script_warning_print.  All callers updated.
	(maybe_print_script_not_found_warning): Renamed from
	script_not_found_warning_print.  All callers updated.
	* extension-priv.h (struct extension_language_script_ops): New member
	objfile_script_executor.
	* extension.c (ext_lang_objfile_script_executor): New function.
	* extension.h (objfile_script_executor_func): New typedef.
	(ext_lang_objfile_script_executor): Declare.
	* guile/guile-internal.h (gdbscm_execute_objfile_script): Declare.
	* guile/guile.c (guile_extension_script_ops): Update.
	* guile/scm-objfile.c (gdbscm_execute_objfile_script): New function.
	* python/python.c (python_extension_script_ops): Update.
	(gdbpy_execute_objfile_script): New function.

gdb/doc/ChangeLog:

	* gdb.texinfo (dotdebug_gdb_scripts section): Update docs to
	distinguish script files vs inlined scripts.
	* python.texi (Python Auto-loading): Ditto.

gdb/testsuite/ChangeLog:

	* gdb.guile/scm-section-script.c: Add duplicate inlined section script
	entries.  Duplicate file section script entries.
	* gdb.guile/scm-section-script.exp: Add tests for duplicate entries,
	inlined entries.  Add test for safe-path rejection.
	* gdb.python/py-section-script.c: Add duplicate inlined section script
	entries.  Duplicate file section script entries.
	* gdb.python/py-section-script.exp: Add tests for duplicate entries,
	inlined entries.  Add test for safe-path rejection.

gdb/guile/guile-internal.h

@@ -549,6 +549,7 @@ extern struct value *vlscm_convert_value_from_scheme
 /* stript_lang methods */
 
 extern objfile_script_sourcer_func gdbscm_source_objfile_script;
+extern objfile_script_executor_func gdbscm_execute_objfile_script;
 
 extern int gdbscm_auto_load_enabled (const struct extension_language_defn *);
 

gdb/guile/guile.c

@@ -128,6 +128,7 @@ static const struct extension_language_script_ops guile_extension_script_ops =
 {
   gdbscm_source_script,
   gdbscm_source_objfile_script,
+  gdbscm_execute_objfile_script,
   gdbscm_auto_load_enabled
 };
 

gdb/guile/scm-objfile.c

@@ -283,7 +283,8 @@ gdbscm_set_objfile_pretty_printers_x (SCM self, SCM printers)
 
 /* The "current" objfile.  This is set when gdb detects that a new
    objfile has been loaded.  It is only set for the duration of a call to
-   gdbscm_source_objfile_script; it is NULL at other times.  */
+   gdbscm_source_objfile_script and gdbscm_execute_objfile_script; it is NULL
+   at other times.  */
 static struct objfile *ofscm_current_objfile;
 
 /* Set the current objfile to OBJFILE and then read FILE named FILENAME
@@ -311,6 +312,31 @@ gdbscm_source_objfile_script (const struct extension_language_defn *extlang,
   ofscm_current_objfile = NULL;
 }
 
+/* Set the current objfile to OBJFILE and then read FILE named FILENAME
+   as Guile code.  This does not throw any errors.  If an exception
+   occurs Guile will print the backtrace.
+   This is the extension_language_script_ops.objfile_script_sourcer
+   "method".  */
+
+void
+gdbscm_execute_objfile_script (const struct extension_language_defn *extlang,
+			       struct objfile *objfile, const char *name,
+			       const char *script)
+{
+  char *msg;
+
+  ofscm_current_objfile = objfile;
+
+  msg = gdbscm_safe_eval_string (script, 0 /* display_result */);
+  if (msg != NULL)
+    {
+      fprintf_filtered (gdb_stderr, "%s", msg);
+      xfree (msg);
+    }
+
+  ofscm_current_objfile = NULL;
+}
+
 /* (current-objfile) -> <gdb:obfjile>
    Return the current objfile, or #f if there isn't one.
    Ideally this would be named ofscm_current_objfile, but that name is