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 10 typedef struct 11 { 12 float f; 13 int i; 14 } test_structure_9; 15 16 static test_structure_9 ABI_ATTR struct9 (test_structure_9 ts) 17 { 18 ts.f += 1; 19 ts.i += 1; 20 21 return ts; 22 } 23 24 int main (void) 25 { 26 ffi_cif cif; 27 ffi_type *args[MAX_ARGS]; 28 void *values[MAX_ARGS]; 29 ffi_type ts9_type; 30 ffi_type *ts9_type_elements[3]; 31 32 test_structure_9 ts9_arg; 33 34 /* This is a hack to get a properly aligned result buffer */ 35 test_structure_9 *ts9_result = 36 (test_structure_9 *) malloc (sizeof(test_structure_9)); 37 38 ts9_type.size = 0; 39 ts9_type.alignment = 0; 40 ts9_type.type = FFI_TYPE_STRUCT; 41 ts9_type.elements = ts9_type_elements; 42 ts9_type_elements[0] = &ffi_type_float; 43 ts9_type_elements[1] = &ffi_type_sint; 44 ts9_type_elements[2] = NULL; 45 46 args[0] = &ts9_type; 47 values[0] = &ts9_arg; 48 49 /* Initialize the cif */ 50 CHECK(ffi_prep_cif(&cif, ABI_NUM, 1, &ts9_type, args) == FFI_OK); 51 52 ts9_arg.f = 5.55f; 53 ts9_arg.i = 5; 54 55 printf ("%g\n", ts9_arg.f); 56 printf ("%d\n", ts9_arg.i); 57 58 ffi_call(&cif, FFI_FN(struct9), ts9_result, values); 59 60 printf ("%g\n", ts9_result->f); 61 printf ("%d\n", ts9_result->i); 62 63 CHECK(ts9_result->f == 5.55f + 1); 64 CHECK(ts9_result->i == 5 + 1); 65 66 free (ts9_result); 67 exit(0); 68 } 69
