1 /* Area: ffi_call 2 Purpose: Check return value double. 3 Limitations: none. 4 PR: none. 5 Originator: <andreast (at) gcc.gnu.org> 20050212 */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 10 static double return_dbl(double dbl1, double dbl2, unsigned int in3, double dbl4) 11 { 12 return dbl1 + dbl2 + in3 + dbl4; 13 } 14 int main (void) 15 { 16 ffi_cif cif; 17 ffi_type *args[MAX_ARGS]; 18 void *values[MAX_ARGS]; 19 double dbl1, dbl2, dbl4, rdbl; 20 unsigned int in3; 21 args[0] = &ffi_type_double; 22 args[1] = &ffi_type_double; 23 args[2] = &ffi_type_uint; 24 args[3] = &ffi_type_double; 25 values[0] = &dbl1; 26 values[1] = &dbl2; 27 values[2] = &in3; 28 values[3] = &dbl4; 29 30 /* Initialize the cif */ 31 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, 32 &ffi_type_double, args) == FFI_OK); 33 dbl1 = 127.0; 34 dbl2 = 128.0; 35 in3 = 255; 36 dbl4 = 512.7; 37 38 ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values); 39 printf ("%f vs %f\n", rdbl, return_dbl(dbl1, dbl2, in3, dbl4)); 40 CHECK(rdbl == dbl1 + dbl2 + in3 + dbl4); 41 exit(0); 42 } 43
