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 typedef struct
10 {
11   char c1;
12   char c2;
13 } test_structure_5;
14 
struct5(test_structure_5 ts1,test_structure_5 ts2)15 static test_structure_5 ABI_ATTR struct5(test_structure_5 ts1, test_structure_5 ts2)
16 {
17   ts1.c1 += ts2.c1;
18   ts1.c2 -= ts2.c2;
19 
20   return ts1;
21 }
22 
main(void)23 int main (void)
24 {
25   ffi_cif cif;
26   ffi_type *args[MAX_ARGS];
27   void *values[MAX_ARGS];
28   ffi_type ts5_type;
29   ffi_type *ts5_type_elements[3];
30 
31   test_structure_5 ts5_arg1, ts5_arg2;
32 
33   /* This is a hack to get a properly aligned result buffer */
34   test_structure_5 *ts5_result =
35     (test_structure_5 *) malloc (sizeof(test_structure_5));
36 
37   ts5_type.size = 0;
38   ts5_type.alignment = 0;
39   ts5_type.type = FFI_TYPE_STRUCT;
40   ts5_type.elements = ts5_type_elements;
41   ts5_type_elements[0] = &ffi_type_schar;
42   ts5_type_elements[1] = &ffi_type_schar;
43   ts5_type_elements[2] = NULL;
44 
45   args[0] = &ts5_type;
46   args[1] = &ts5_type;
47   values[0] = &ts5_arg1;
48   values[1] = &ts5_arg2;
49 
50   /* Initialize the cif */
51   CHECK(ffi_prep_cif(&cif, ABI_NUM, 2, &ts5_type, args) == FFI_OK);
52 
53   ts5_arg1.c1 = 2;
54   ts5_arg1.c2 = 6;
55   ts5_arg2.c1 = 5;
56   ts5_arg2.c2 = 3;
57 
58   ffi_call (&cif, FFI_FN(struct5), ts5_result, values);
59 
60   CHECK(ts5_result->c1 == 7);
61   CHECK(ts5_result->c2 == 3);
62 
63 
64   free (ts5_result);
65   exit(0);
66 }
67