xref: /aosp_15_r20/external/libffi/testsuite/libffi.call/struct3.c (revision 1fd5a2e1d639cd1ddf29dd0c484c123bbd850c21)
1*1fd5a2e1SPrashanth Swaminathan /* Area:	ffi_call
2*1fd5a2e1SPrashanth Swaminathan    Purpose:	Check structures.
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 #include "ffitest.h"
9*1fd5a2e1SPrashanth Swaminathan 
10*1fd5a2e1SPrashanth Swaminathan typedef struct
11*1fd5a2e1SPrashanth Swaminathan {
12*1fd5a2e1SPrashanth Swaminathan   int si;
13*1fd5a2e1SPrashanth Swaminathan } test_structure_3;
14*1fd5a2e1SPrashanth Swaminathan 
struct3(test_structure_3 ts)15*1fd5a2e1SPrashanth Swaminathan static test_structure_3 ABI_ATTR struct3(test_structure_3 ts)
16*1fd5a2e1SPrashanth Swaminathan {
17*1fd5a2e1SPrashanth Swaminathan   ts.si = -(ts.si*2);
18*1fd5a2e1SPrashanth Swaminathan 
19*1fd5a2e1SPrashanth Swaminathan   return ts;
20*1fd5a2e1SPrashanth Swaminathan }
21*1fd5a2e1SPrashanth Swaminathan 
main(void)22*1fd5a2e1SPrashanth Swaminathan int main (void)
23*1fd5a2e1SPrashanth Swaminathan {
24*1fd5a2e1SPrashanth Swaminathan   ffi_cif cif;
25*1fd5a2e1SPrashanth Swaminathan   ffi_type *args[MAX_ARGS];
26*1fd5a2e1SPrashanth Swaminathan   void *values[MAX_ARGS];
27*1fd5a2e1SPrashanth Swaminathan   int compare_value;
28*1fd5a2e1SPrashanth Swaminathan   ffi_type ts3_type;
29*1fd5a2e1SPrashanth Swaminathan   ffi_type *ts3_type_elements[2];
30*1fd5a2e1SPrashanth Swaminathan 
31*1fd5a2e1SPrashanth Swaminathan   test_structure_3 ts3_arg;
32*1fd5a2e1SPrashanth Swaminathan   test_structure_3 *ts3_result =
33*1fd5a2e1SPrashanth Swaminathan     (test_structure_3 *) malloc (sizeof(test_structure_3));
34*1fd5a2e1SPrashanth Swaminathan 
35*1fd5a2e1SPrashanth Swaminathan   ts3_type.size = 0;
36*1fd5a2e1SPrashanth Swaminathan   ts3_type.alignment = 0;
37*1fd5a2e1SPrashanth Swaminathan   ts3_type.type = FFI_TYPE_STRUCT;
38*1fd5a2e1SPrashanth Swaminathan   ts3_type.elements = ts3_type_elements;
39*1fd5a2e1SPrashanth Swaminathan   ts3_type_elements[0] = &ffi_type_sint;
40*1fd5a2e1SPrashanth Swaminathan   ts3_type_elements[1] = NULL;
41*1fd5a2e1SPrashanth Swaminathan 
42*1fd5a2e1SPrashanth Swaminathan   args[0] = &ts3_type;
43*1fd5a2e1SPrashanth Swaminathan   values[0] = &ts3_arg;
44*1fd5a2e1SPrashanth Swaminathan 
45*1fd5a2e1SPrashanth Swaminathan   /* Initialize the cif */
46*1fd5a2e1SPrashanth Swaminathan   CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
47*1fd5a2e1SPrashanth Swaminathan 		     &ts3_type, args) == FFI_OK);
48*1fd5a2e1SPrashanth Swaminathan 
49*1fd5a2e1SPrashanth Swaminathan   ts3_arg.si = -123;
50*1fd5a2e1SPrashanth Swaminathan   compare_value = ts3_arg.si;
51*1fd5a2e1SPrashanth Swaminathan 
52*1fd5a2e1SPrashanth Swaminathan   ffi_call(&cif, FFI_FN(struct3), ts3_result, values);
53*1fd5a2e1SPrashanth Swaminathan 
54*1fd5a2e1SPrashanth Swaminathan   printf ("%d %d\n", ts3_result->si, -(compare_value*2));
55*1fd5a2e1SPrashanth Swaminathan 
56*1fd5a2e1SPrashanth Swaminathan   CHECK(ts3_result->si == -(compare_value*2));
57*1fd5a2e1SPrashanth Swaminathan 
58*1fd5a2e1SPrashanth Swaminathan   free (ts3_result);
59*1fd5a2e1SPrashanth Swaminathan   exit(0);
60*1fd5a2e1SPrashanth Swaminathan }
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