1 
2 #include <stdio.h>
3 #include "valgrind.h"
4 
5 /* The simplest possible wrapping test: just call a wrapped function
6    and check we run the wrapper instead. */
7 
8 /* The "original" function */
9 __attribute__((noinline))
actual(void)10 void actual ( void )
11 {
12    printf("in actual\n");
13 }
14 
15 /* The wrapper.  Since this executable won't have a soname, we have to
16    use "NONE", since V treats any executable/.so which lacks a soname
17    as if its soname was "NONE". */
I_WRAP_SONAME_FNNAME_ZU(NONE,actual)18 void I_WRAP_SONAME_FNNAME_ZU(NONE,actual) ( void )
19 {
20    OrigFn fn;
21    VALGRIND_GET_ORIG_FN(fn);
22    printf("wrapper-pre\n");
23    CALL_FN_v_v(fn);
24    printf("wrapper-post\n");
25 }
26 
27 /* --------------- */
28 
main(void)29 int main ( void )
30 {
31    printf("starting\n");
32    actual();
33    return 0;
34 }
35