xref: /aosp_15_r20/external/libffi/testsuite/libffi.call/cls_uchar_va.c (revision 1fd5a2e1d639cd1ddf29dd0c484c123bbd850c21)
1*1fd5a2e1SPrashanth Swaminathan /* Area:	closure_call
2*1fd5a2e1SPrashanth Swaminathan    Purpose:	Test anonymous unsigned char argument.
3*1fd5a2e1SPrashanth Swaminathan    Limitations:	none.
4*1fd5a2e1SPrashanth Swaminathan    PR:		none.
5*1fd5a2e1SPrashanth Swaminathan    Originator:	ARM Ltd. */
6*1fd5a2e1SPrashanth Swaminathan 
7*1fd5a2e1SPrashanth Swaminathan /* { dg-do run } */
8*1fd5a2e1SPrashanth Swaminathan #include "ffitest.h"
9*1fd5a2e1SPrashanth Swaminathan 
10*1fd5a2e1SPrashanth Swaminathan typedef unsigned char T;
11*1fd5a2e1SPrashanth Swaminathan 
cls_ret_T_fn(ffi_cif * cif __UNUSED__,void * resp,void ** args,void * userdata __UNUSED__)12*1fd5a2e1SPrashanth Swaminathan static void cls_ret_T_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
13*1fd5a2e1SPrashanth Swaminathan 			 void* userdata __UNUSED__)
14*1fd5a2e1SPrashanth Swaminathan  {
15*1fd5a2e1SPrashanth Swaminathan    *(ffi_arg *)resp = *(T *)args[0];
16*1fd5a2e1SPrashanth Swaminathan 
17*1fd5a2e1SPrashanth Swaminathan    printf("%d: %d %d\n", (int)(*(ffi_arg *)resp), *(T *)args[0], *(T *)args[1]);
18*1fd5a2e1SPrashanth Swaminathan  }
19*1fd5a2e1SPrashanth Swaminathan 
20*1fd5a2e1SPrashanth Swaminathan typedef T (*cls_ret_T)(T, ...);
21*1fd5a2e1SPrashanth Swaminathan 
main(void)22*1fd5a2e1SPrashanth Swaminathan int main (void)
23*1fd5a2e1SPrashanth Swaminathan {
24*1fd5a2e1SPrashanth Swaminathan   ffi_cif cif;
25*1fd5a2e1SPrashanth Swaminathan   void *code;
26*1fd5a2e1SPrashanth Swaminathan   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
27*1fd5a2e1SPrashanth Swaminathan   ffi_type * cl_arg_types[3];
28*1fd5a2e1SPrashanth Swaminathan   T res;
29*1fd5a2e1SPrashanth Swaminathan 
30*1fd5a2e1SPrashanth Swaminathan   cl_arg_types[0] = &ffi_type_uchar;
31*1fd5a2e1SPrashanth Swaminathan   cl_arg_types[1] = &ffi_type_uchar;
32*1fd5a2e1SPrashanth Swaminathan   cl_arg_types[2] = NULL;
33*1fd5a2e1SPrashanth Swaminathan 
34*1fd5a2e1SPrashanth Swaminathan   /* Initialize the cif */
35*1fd5a2e1SPrashanth Swaminathan   CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2,
36*1fd5a2e1SPrashanth Swaminathan 			 &ffi_type_uchar, cl_arg_types) == FFI_OK);
37*1fd5a2e1SPrashanth Swaminathan 
38*1fd5a2e1SPrashanth Swaminathan   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_T_fn, NULL, code)  == FFI_OK);
39*1fd5a2e1SPrashanth Swaminathan   res = ((((cls_ret_T)code)(67, 4)));
40*1fd5a2e1SPrashanth Swaminathan   /* { dg-output "67: 67 4" } */
41*1fd5a2e1SPrashanth Swaminathan   printf("res: %d\n", res);
42*1fd5a2e1SPrashanth Swaminathan   /* { dg-output "\nres: 67" } */
43*1fd5a2e1SPrashanth Swaminathan   exit(0);
44*1fd5a2e1SPrashanth Swaminathan }
45