1 /* Area:	ffi_call
2    Purpose:	Check structures.
3    Limitations:	none.
4    PR:		none.
5    Originator:	From the original ffitest.c  */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
10 typedef struct
11 {
12   unsigned ui1;
13   unsigned ui2;
14   unsigned ui3;
15 } test_structure_4;
16 
struct4(test_structure_4 ts)17 static test_structure_4 ABI_ATTR struct4(test_structure_4 ts)
18 {
19   ts.ui3 = ts.ui1 * ts.ui2 * ts.ui3;
20 
21   return ts;
22 }
23 
main(void)24 int main (void)
25 {
26   ffi_cif cif;
27   ffi_type *args[MAX_ARGS];
28   void *values[MAX_ARGS];
29   ffi_type ts4_type;
30   ffi_type *ts4_type_elements[4];
31 
32   test_structure_4 ts4_arg;
33 
34   /* This is a hack to get a properly aligned result buffer */
35   test_structure_4 *ts4_result =
36     (test_structure_4 *) malloc (sizeof(test_structure_4));
37 
38   ts4_type.size = 0;
39   ts4_type.alignment = 0;
40   ts4_type.type = FFI_TYPE_STRUCT;
41   ts4_type.elements = ts4_type_elements;
42   ts4_type_elements[0] = &ffi_type_uint;
43   ts4_type_elements[1] = &ffi_type_uint;
44   ts4_type_elements[2] = &ffi_type_uint;
45   ts4_type_elements[3] = NULL;
46 
47   args[0] = &ts4_type;
48   values[0] = &ts4_arg;
49 
50   /* Initialize the cif */
51   CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts4_type, args) == FFI_OK);
52 
53   ts4_arg.ui1 = 2;
54   ts4_arg.ui2 = 3;
55   ts4_arg.ui3 = 4;
56 
57   ffi_call (&cif, FFI_FN(struct4), ts4_result, values);
58 
59   CHECK(ts4_result->ui3 == 2U * 3U * 4U);
60 
61 
62   free (ts4_result);
63   exit(0);
64 }
65