1 /* Area: ffi_call 2 Purpose: Check if long as return type is handled correctly. 3 Limitations: none. 4 PR: none. 5 */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 static long return_sl(long l1, long l2) 10 { 11 return l1 - l2; 12 } 13 14 int main (void) 15 { 16 ffi_cif cif; 17 ffi_type *args[MAX_ARGS]; 18 void *values[MAX_ARGS]; 19 ffi_arg res; 20 unsigned long l1, l2; 21 22 args[0] = &ffi_type_slong; 23 args[1] = &ffi_type_slong; 24 values[0] = &l1; 25 values[1] = &l2; 26 27 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, 28 &ffi_type_slong, args) == FFI_OK); 29 30 l1 = 1073741823L; 31 l2 = 1073741824L; 32 33 ffi_call(&cif, FFI_FN(return_sl), &res, values); 34 printf("res: %ld, %ld\n", (long)res, l1 - l2); 35 /* { dg-output "res: -1, -1" } */ 36 37 exit(0); 38 } 39
