xref: /aosp_15_r20/external/libffi/testsuite/libffi.call/cls_uint.c (revision 1fd5a2e1d639cd1ddf29dd0c484c123bbd850c21)
1*1fd5a2e1SPrashanth Swaminathan /* Area:	closure_call
2*1fd5a2e1SPrashanth Swaminathan    Purpose:	Check return value uint.
3*1fd5a2e1SPrashanth Swaminathan    Limitations:	none.
4*1fd5a2e1SPrashanth Swaminathan    PR:		none.
5*1fd5a2e1SPrashanth Swaminathan    Originator:	<[email protected]> 20030828	 */
6*1fd5a2e1SPrashanth Swaminathan 
7*1fd5a2e1SPrashanth Swaminathan /* { dg-do run } */
8*1fd5a2e1SPrashanth Swaminathan #include "ffitest.h"
9*1fd5a2e1SPrashanth Swaminathan 
cls_ret_uint_fn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)10*1fd5a2e1SPrashanth Swaminathan static void cls_ret_uint_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11*1fd5a2e1SPrashanth Swaminathan 			    void* userdata __UNUSED__)
12*1fd5a2e1SPrashanth Swaminathan {
13*1fd5a2e1SPrashanth Swaminathan   *(ffi_arg *)resp = *(unsigned int *)args[0];
14*1fd5a2e1SPrashanth Swaminathan 
15*1fd5a2e1SPrashanth Swaminathan   printf("%d: %d\n",*(unsigned int *)args[0],
16*1fd5a2e1SPrashanth Swaminathan 	 (int)*(ffi_arg *)(resp));
17*1fd5a2e1SPrashanth Swaminathan }
18*1fd5a2e1SPrashanth Swaminathan typedef unsigned int (*cls_ret_uint)(unsigned int);
19*1fd5a2e1SPrashanth Swaminathan 
main(void)20*1fd5a2e1SPrashanth Swaminathan int main (void)
21*1fd5a2e1SPrashanth Swaminathan {
22*1fd5a2e1SPrashanth Swaminathan   ffi_cif cif;
23*1fd5a2e1SPrashanth Swaminathan   void *code;
24*1fd5a2e1SPrashanth Swaminathan   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
25*1fd5a2e1SPrashanth Swaminathan   ffi_type * cl_arg_types[2];
26*1fd5a2e1SPrashanth Swaminathan   unsigned int res;
27*1fd5a2e1SPrashanth Swaminathan 
28*1fd5a2e1SPrashanth Swaminathan   cl_arg_types[0] = &ffi_type_uint;
29*1fd5a2e1SPrashanth Swaminathan   cl_arg_types[1] = NULL;
30*1fd5a2e1SPrashanth Swaminathan 
31*1fd5a2e1SPrashanth Swaminathan   /* Initialize the cif */
32*1fd5a2e1SPrashanth Swaminathan   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
33*1fd5a2e1SPrashanth Swaminathan 		     &ffi_type_uint, cl_arg_types) == FFI_OK);
34*1fd5a2e1SPrashanth Swaminathan 
35*1fd5a2e1SPrashanth Swaminathan   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uint_fn, NULL, code)  == FFI_OK);
36*1fd5a2e1SPrashanth Swaminathan 
37*1fd5a2e1SPrashanth Swaminathan   res = (*((cls_ret_uint)code))(2147483647);
38*1fd5a2e1SPrashanth Swaminathan   /* { dg-output "2147483647: 2147483647" } */
39*1fd5a2e1SPrashanth Swaminathan   printf("res: %d\n",res);
40*1fd5a2e1SPrashanth Swaminathan   /* { dg-output "\nres: 2147483647" } */
41*1fd5a2e1SPrashanth Swaminathan 
42*1fd5a2e1SPrashanth Swaminathan   exit(0);
43*1fd5a2e1SPrashanth Swaminathan }
44