1*1fd5a2e1SPrashanth Swaminathan /* Area: ffi_call
2*1fd5a2e1SPrashanth Swaminathan Purpose: Check that negative integers are passed correctly.
3*1fd5a2e1SPrashanth Swaminathan Limitations: none.
4*1fd5a2e1SPrashanth Swaminathan PR: none.
5*1fd5a2e1SPrashanth Swaminathan Originator: From the original ffitest.c */
6*1fd5a2e1SPrashanth Swaminathan
7*1fd5a2e1SPrashanth Swaminathan /* { dg-do run } */
8*1fd5a2e1SPrashanth Swaminathan
9*1fd5a2e1SPrashanth Swaminathan #include "ffitest.h"
10*1fd5a2e1SPrashanth Swaminathan
checking(int a,short b,signed char c)11*1fd5a2e1SPrashanth Swaminathan static int checking(int a, short b, signed char c)
12*1fd5a2e1SPrashanth Swaminathan {
13*1fd5a2e1SPrashanth Swaminathan
14*1fd5a2e1SPrashanth Swaminathan return (a < 0 && b < 0 && c < 0);
15*1fd5a2e1SPrashanth Swaminathan }
16*1fd5a2e1SPrashanth Swaminathan
main(void)17*1fd5a2e1SPrashanth Swaminathan int main (void)
18*1fd5a2e1SPrashanth Swaminathan {
19*1fd5a2e1SPrashanth Swaminathan ffi_cif cif;
20*1fd5a2e1SPrashanth Swaminathan ffi_type *args[MAX_ARGS];
21*1fd5a2e1SPrashanth Swaminathan void *values[MAX_ARGS];
22*1fd5a2e1SPrashanth Swaminathan ffi_arg rint;
23*1fd5a2e1SPrashanth Swaminathan
24*1fd5a2e1SPrashanth Swaminathan signed int si;
25*1fd5a2e1SPrashanth Swaminathan signed short ss;
26*1fd5a2e1SPrashanth Swaminathan signed char sc;
27*1fd5a2e1SPrashanth Swaminathan
28*1fd5a2e1SPrashanth Swaminathan args[0] = &ffi_type_sint;
29*1fd5a2e1SPrashanth Swaminathan values[0] = &si;
30*1fd5a2e1SPrashanth Swaminathan args[1] = &ffi_type_sshort;
31*1fd5a2e1SPrashanth Swaminathan values[1] = &ss;
32*1fd5a2e1SPrashanth Swaminathan args[2] = &ffi_type_schar;
33*1fd5a2e1SPrashanth Swaminathan values[2] = ≻
34*1fd5a2e1SPrashanth Swaminathan
35*1fd5a2e1SPrashanth Swaminathan /* Initialize the cif */
36*1fd5a2e1SPrashanth Swaminathan CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
37*1fd5a2e1SPrashanth Swaminathan &ffi_type_sint, args) == FFI_OK);
38*1fd5a2e1SPrashanth Swaminathan
39*1fd5a2e1SPrashanth Swaminathan si = -6;
40*1fd5a2e1SPrashanth Swaminathan ss = -12;
41*1fd5a2e1SPrashanth Swaminathan sc = -1;
42*1fd5a2e1SPrashanth Swaminathan
43*1fd5a2e1SPrashanth Swaminathan checking (si, ss, sc);
44*1fd5a2e1SPrashanth Swaminathan
45*1fd5a2e1SPrashanth Swaminathan ffi_call(&cif, FFI_FN(checking), &rint, values);
46*1fd5a2e1SPrashanth Swaminathan
47*1fd5a2e1SPrashanth Swaminathan printf ("%d vs %d\n", (int)rint, checking (si, ss, sc));
48*1fd5a2e1SPrashanth Swaminathan
49*1fd5a2e1SPrashanth Swaminathan CHECK(rint != 0);
50*1fd5a2e1SPrashanth Swaminathan
51*1fd5a2e1SPrashanth Swaminathan exit (0);
52*1fd5a2e1SPrashanth Swaminathan }
53