1 /* Area: ffi_call 2 Purpose: Check structures. 3 Limitations: none. 4 PR: none. 5 Originator: From the original ffitest.c */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 typedef struct 10 { 11 float f1; 12 float f2; 13 double d; 14 } test_structure_7; 15 16 static test_structure_7 struct7 (test_structure_7 ts) 17 { 18 ts.f1 += 1; 19 ts.f2 += 1; 20 ts.d += 1; 21 22 return ts; 23 } 24 25 int main (void) 26 { 27 ffi_cif cif; 28 ffi_type *args[MAX_ARGS]; 29 void *values[MAX_ARGS]; 30 ffi_type ts7_type; 31 ffi_type *ts7_type_elements[4]; 32 ts7_type.size = 0; 33 ts7_type.alignment = 0; 34 ts7_type.type = FFI_TYPE_STRUCT; 35 ts7_type.elements = ts7_type_elements; 36 ts7_type_elements[0] = &ffi_type_float; 37 ts7_type_elements[1] = &ffi_type_float; 38 ts7_type_elements[2] = &ffi_type_double; 39 ts7_type_elements[3] = NULL; 40 41 42 test_structure_7 ts7_arg; 43 44 /* This is a hack to get a properly aligned result buffer */ 45 test_structure_7 *ts7_result = 46 (test_structure_7 *) malloc (sizeof(test_structure_7)); 47 48 args[0] = &ts7_type; 49 values[0] = &ts7_arg; 50 51 /* Initialize the cif */ 52 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts7_type, args) == FFI_OK); 53 54 ts7_arg.f1 = 5.55f; 55 ts7_arg.f2 = 55.5f; 56 ts7_arg.d = 6.66; 57 58 printf ("%g\n", ts7_arg.f1); 59 printf ("%g\n", ts7_arg.f2); 60 printf ("%g\n", ts7_arg.d); 61 62 ffi_call(&cif, FFI_FN(struct7), ts7_result, values); 63 64 printf ("%g\n", ts7_result->f1); 65 printf ("%g\n", ts7_result->f2); 66 printf ("%g\n", ts7_result->d); 67 68 CHECK(ts7_result->f1 == 5.55f + 1); 69 CHECK(ts7_result->f2 == 55.5f + 1); 70 CHECK(ts7_result->d == 6.66 + 1); 71 72 free (ts7_result); 73 exit(0); 74 } 75
