check_call_tree.c

   1 /*
   2  * sparse/check_call_tree.c
   3  *
   4  * Copyright (C) 2009 Dan Carpenter.
   5  *
   6  * Licensed under the Open Software License version 1.1
   7  *
   8  */
   9
  10 #include "smatch.h"
  11
  12 static int my_id;
  13
  14 static void match_call(struct expression *expr)
  15 {
  16         char *fn_name;
  17
  18         fn_name = expr_to_var(expr->fn);
  19         if (!fn_name)
  20                 return;
  21         sm_prefix();
  22         sm_printf("info: func_call (");
  23         print_held_locks();
  24         sm_printf(") %s\n", fn_name);
  25         free_string(fn_name);
  26 }
  27
  28 void check_call_tree(int id)
  29 {
  30         if (!option_call_tree)
  31                 return;
  32         my_id = id;
  33         add_hook(&match_call, FUNCTION_CALL_HOOK);
  34 }