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      1 /* Area:	closure_call
      2    Purpose:	Check return value float.
      3    Limitations:	none.
      4    PR:		41908.
      5    Originator:	<rfm (at) gnu.org> 20091102	 */
      6 
      7 /* { dg-do run } */
      8 #include "ffitest.h"
      9 
     10 typedef struct cls_struct_combined {
     11   float a;
     12   float b;
     13   float c;
     14   float d;
     15 } cls_struct_combined;
     16 
     17 void cls_struct_combined_fn(struct cls_struct_combined arg)
     18 {
     19   printf("%g %g %g %g\n",
     20 	 arg.a, arg.b,
     21 	 arg.c, arg.d);
     22   fflush(stdout);
     23 }
     24 
     25 static void
     26 cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__,
     27         void** args, void* userdata __UNUSED__)
     28 {
     29   struct cls_struct_combined a0;
     30 
     31   a0 = *(struct cls_struct_combined*)(args[0]);
     32 
     33   cls_struct_combined_fn(a0);
     34 }
     35 
     36 
     37 int main (void)
     38 {
     39   ffi_cif cif;
     40   void *code;
     41   ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
     42   ffi_type* cls_struct_fields0[5];
     43   ffi_type cls_struct_type0;
     44   ffi_type* dbl_arg_types[5];
     45 
     46   struct cls_struct_combined g_dbl = {4.0, 5.0, 1.0, 8.0};
     47 
     48   cls_struct_type0.size = 0;
     49   cls_struct_type0.alignment = 0;
     50   cls_struct_type0.type = FFI_TYPE_STRUCT;
     51   cls_struct_type0.elements = cls_struct_fields0;
     52 
     53   cls_struct_fields0[0] = &ffi_type_float;
     54   cls_struct_fields0[1] = &ffi_type_float;
     55   cls_struct_fields0[2] = &ffi_type_float;
     56   cls_struct_fields0[3] = &ffi_type_float;
     57   cls_struct_fields0[4] = NULL;
     58 
     59   dbl_arg_types[0] = &cls_struct_type0;
     60   dbl_arg_types[1] = NULL;
     61 
     62   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ffi_type_void,
     63 		     dbl_arg_types) == FFI_OK);
     64 
     65   CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
     66 
     67   ((void(*)(cls_struct_combined)) (code))(g_dbl);
     68   /* { dg-output "4 5 1 8" } */
     69   exit(0);
     70 }
     71