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 char c1; 12 char c2; 13 } test_structure_5; 14 15 static test_structure_5 struct5(test_structure_5 ts1, test_structure_5 ts2) 16 { 17 ts1.c1 += ts2.c1; 18 ts1.c2 -= ts2.c2; 19 20 return ts1; 21 } 22 23 int main (void) 24 { 25 ffi_cif cif; 26 ffi_type *args[MAX_ARGS]; 27 void *values[MAX_ARGS]; 28 ffi_type ts5_type; 29 ffi_type *ts5_type_elements[3]; 30 ts5_type.size = 0; 31 ts5_type.alignment = 0; 32 ts5_type.type = FFI_TYPE_STRUCT; 33 ts5_type.elements = ts5_type_elements; 34 ts5_type_elements[0] = &ffi_type_schar; 35 ts5_type_elements[1] = &ffi_type_schar; 36 ts5_type_elements[2] = NULL; 37 38 test_structure_5 ts5_arg1, ts5_arg2; 39 40 /* This is a hack to get a properly aligned result buffer */ 41 test_structure_5 *ts5_result = 42 (test_structure_5 *) malloc (sizeof(test_structure_5)); 43 44 args[0] = &ts5_type; 45 args[1] = &ts5_type; 46 values[0] = &ts5_arg1; 47 values[1] = &ts5_arg2; 48 49 /* Initialize the cif */ 50 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ts5_type, args) == FFI_OK); 51 52 ts5_arg1.c1 = 2; 53 ts5_arg1.c2 = 6; 54 ts5_arg2.c1 = 5; 55 ts5_arg2.c2 = 3; 56 57 ffi_call (&cif, FFI_FN(struct5), ts5_result, values); 58 59 CHECK(ts5_result->c1 == 7); 60 CHECK(ts5_result->c2 == 3); 61 62 63 free (ts5_result); 64 exit(0); 65 } 66
