1 /* Area: closure_call 2 Purpose: Check return value schar. 3 Limitations: none. 4 PR: none. 5 Originator: <andreast (at) gcc.gnu.org> 20031108 */ 6 7 8 9 /* { dg-do run } */ 10 #include "ffitest.h" 11 12 static void cls_ret_schar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args, 13 void* userdata __UNUSED__) 14 { 15 *(ffi_arg*)resp = *(signed char *)args[0]; 16 printf("%d: %d\n",*(signed char *)args[0], 17 (int)*(ffi_arg *)(resp)); 18 } 19 typedef signed char (*cls_ret_schar)(signed char); 20 21 int main (void) 22 { 23 ffi_cif cif; 24 void *code; 25 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 26 ffi_type * cl_arg_types[2]; 27 signed char res; 28 29 cl_arg_types[0] = &ffi_type_schar; 30 cl_arg_types[1] = NULL; 31 32 /* Initialize the cif */ 33 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 34 &ffi_type_schar, cl_arg_types) == FFI_OK); 35 36 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_schar_fn, NULL, code) == FFI_OK); 37 38 res = (*((cls_ret_schar)code))(127); 39 /* { dg-output "127: 127" } */ 40 printf("res: %d\n", res); 41 /* { dg-output "\nres: 127" } */ 42 43 exit(0); 44 } 45
