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.

2 files changed, 78 insertions, 5 deletions

diff --git a/gdb/testsuite/gdb.guile/scm-section-script.c b/gdb/testsuite/gdb.guile/scm-section-script.c
index e668a4942c..cbff69882b 100644
--- a/gdb/testsuite/gdb.guile/scm-section-script.c
+++ b/gdb/testsuite/gdb.guile/scm-section-script.c
@@ -19,18 +19,52 @@
 #include "gdb/section-scripts.h"
 
 /* Put the path to the pretty-printer script in .debug_gdb_scripts so
-   gdb will automagically loaded it.  */
+   gdb will automagically loaded it.
+   Normally "MS" would appear here, as in
+   .pushsection ".debug_gdb_scripts", "MS",@progbits,1
+   but we remove it to test files appearing twice in the section.  */
 
 #define DEFINE_GDB_SCRIPT(script_name) \
   asm("\
-.pushsection \".debug_gdb_scripts\", \"MS\",@progbits,1\n\
+.pushsection \".debug_gdb_scripts\", \"S\",@progbits\n\
 .byte " XSTRING (SECTION_SCRIPT_ID_SCHEME_FILE) "\n\
 .asciz \"" script_name "\"\n\
 .popsection \n\
 ");
 
+#ifndef SCRIPT_FILE
+#error "SCRIPT_FILE not defined"
+#endif
+
+/* Specify it twice to verify the file is only loaded once.  */
+DEFINE_GDB_SCRIPT (SCRIPT_FILE)
 DEFINE_GDB_SCRIPT (SCRIPT_FILE)
 
+/* Inlined scripts are harder to create in the same way as
+   DEFINE_GDB_SCRIPT_FILE.  Keep things simple and just define it here.
+   Normally "MS" would appear here, as in
+   .pushsection ".debug_gdb_scripts", "MS",@progbits,1
+   but we remove it to test scripts appearing twice in the section.  */
+
+#define DEFINE_GDB_SCRIPT_TEXT \
+asm( \
+".pushsection \".debug_gdb_scripts\", \"S\",@progbits\n" \
+".byte " XSTRING (SECTION_SCRIPT_ID_SCHEME_TEXT) "\n" \
+".ascii \"gdb.inlined-script\\n\"\n" \
+".ascii \"(define test-cmd\\n\"\n" \
+".ascii \" (make-command \\\"test-cmd\\\"\\n\"\n" \
+".ascii \"  #:command-class COMMAND_OBSCURE\\n\"\n" \
+".ascii \"  #:invoke (lambda (self arg from-tty)\\n\"\n" \
+".ascii \"    (display (format #f \\\"test-cmd output, arg = ~a\\n\\\" arg)))))\\n\"\n" \
+".ascii \"(register-command! test-cmd)\\n\"\n" \
+".byte 0\n" \
+".popsection\n" \
+);
+
+/* Specify it twice to verify the script is only executed once.  */
+DEFINE_GDB_SCRIPT_TEXT
+DEFINE_GDB_SCRIPT_TEXT
+
 struct ss
 {
   int a;
diff --git a/gdb/testsuite/gdb.guile/scm-section-script.exp b/gdb/testsuite/gdb.guile/scm-section-script.exp
index 93a10a0d46..8c04ac80b7 100644
--- a/gdb/testsuite/gdb.guile/scm-section-script.exp
+++ b/gdb/testsuite/gdb.guile/scm-section-script.exp
@@ -53,14 +53,51 @@ gdb_start
 if { [skip_guile_tests] } { continue }
 
 gdb_reinitialize_dir $srcdir/$subdir
-gdb_test_no_output "set auto-load safe-path ${remote_guile_file}" \
+
+# Try first with a restrictive safe-path.
+
+gdb_test_no_output "set auto-load safe-path /restricted" \
+    "set restricted auto-load safe-path"
+gdb_load ${binfile}
+
+# Verify gdb did not load the scripts.
+set test_name "verify scripts not loaded"
+gdb_test_multiple "info auto-load guile-scripts" "$test_name" {
+    -re "Yes.*${testfile}.scm.*Yes.*inlined-script.*$gdb_prompt $" {
+	fail "$test_name"
+    }
+    -re "No.*${testfile}.scm.*No.*inlined-script.*$gdb_prompt $" {
+	pass "$test_name"
+    }
+}
+
+# Try again with a working safe-path.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+
+gdb_test_no_output "set auto-load safe-path ${remote_guile_file}:${binfile}" \
     "set auto-load safe-path"
 gdb_load ${binfile}
 
-# Verify gdb loaded the script.
-gdb_test "info auto-load guile-scripts" "Yes.*${testfile}.scm.*"
+# Verify gdb loaded each script and they appear once in the list.
+set test_name "verify scripts loaded"
+gdb_test_multiple "info auto-load guile-scripts" "$test_name" {
+    -re "${testfile}.scm.*${testfile}.scm.*$gdb_prompt $" {
+	fail "$test_name"
+    }
+    -re "inlined-script.*inlined-script.*$gdb_prompt $" {
+	fail "$test_name"
+    }
+    -re "Yes.*${testfile}.scm.*Yes.*inlined-script.*$gdb_prompt $" {
+	pass "$test_name"
+    }
+}
+
 # Again, with a regexp this time.
 gdb_test "info auto-load guile-scripts ${testfile}" "Yes.*${testfile}.scm.*"
+
 # Again, with a regexp that matches no scripts.
 gdb_test "info auto-load guile-scripts no-script-matches-this" \
   "No auto-load scripts matching no-script-matches-this."
@@ -74,3 +111,5 @@ gdb_test "b [gdb_get_line_number {break to inspect} ${testfile}.c ]" \
 gdb_test "continue" ".*Breakpoint.*"
 
 gdb_test "print ss" " = a=<1> b=<2>"
+
+gdb_test "test-cmd 1 2 3" "test-cmd output, arg = 1 2 3"