1 /* Area: closure_call 2 Purpose: Check return value float. 3 Limitations: none. 4 PR: none. 5 Originator: <andreast (at) gcc.gnu.org> 20030828 */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 10 static void cls_ret_float_fn(ffi_cif* cif __UNUSED__, void* resp, void** args, 11 void* userdata __UNUSED__) 12 { 13 *(float *)resp = *(float *)args[0]; 14 15 printf("%g: %g\n",*(float *)args[0], 16 *(float *)resp); 17 } 18 19 typedef float (*cls_ret_float)(float); 20 21 int main (void) 22 { 23 ffi_cif cif; 24 #ifndef USING_MMAP 25 static ffi_closure cl; 26 #endif 27 ffi_closure *pcl; 28 ffi_type * cl_arg_types[2]; 29 float res; 30 31 #ifdef USING_MMAP 32 pcl = allocate_mmap (sizeof(ffi_closure)); 33 #else 34 pcl = &cl; 35 #endif 36 37 38 cl_arg_types[0] = &ffi_type_float; 39 cl_arg_types[1] = NULL; 40 41 /* Initialize the cif */ 42 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 43 &ffi_type_float, cl_arg_types) == FFI_OK); 44 45 CHECK(ffi_prep_closure(pcl, &cif, cls_ret_float_fn, NULL) == FFI_OK); 46 res = ((((cls_ret_float)pcl)(-2122.12))); 47 /* { dg-output "\\-2122.12: \\-2122.12" } */ 48 printf("res: %.6f\n", res); 49 /* { dg-output "\nres: \-2122.120117" } */ 50 exit(0); 51 } 52
