xref: /illumos-gate/usr/src/tools/smatch/src/check_call_tree.c (revision 1f5207b7604fb44407eb4342aff613f7c4508508)
1 /*
2  * Copyright (C) 2009 Dan Carpenter.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
16  */
17 
18 #include "smatch.h"
19 
20 static int my_id;
21 
match_call(struct expression * expr)22 static void match_call(struct expression *expr)
23 {
24 	char *fn_name;
25 
26 	fn_name = expr_to_var(expr->fn);
27 	if (!fn_name)
28 		return;
29 	sm_prefix();
30 	sm_printf("info: func_call (");
31 	print_held_locks();
32 	sm_printf(") %s\n", fn_name);
33 	free_string(fn_name);
34 }
35 
check_call_tree(int id)36 void check_call_tree(int id)
37 {
38 	if (!option_call_tree)
39 		return;
40 	my_id = id;
41 	add_hook(&match_call, FUNCTION_CALL_HOOK);
42 }
43