1/* Area: ffi_call 2 Purpose: Check return value signed char. 3 Limitations: none. 4 PR: none. 5 Originator: From the original ffitest.c */ 6 7/* { dg-do run } */ 8#include "ffitest.h" 9 10static signed char return_sc(signed char sc) 11{ 12 return sc; 13} 14int main (void) 15{ 16 ffi_cif cif; 17 ffi_type *args[MAX_ARGS]; 18 void *values[MAX_ARGS]; 19 ffi_arg rint; 20 signed char sc; 21 unsigned long ul; 22 23 args[0] = &ffi_type_schar; 24 values[0] = ≻ 25 26 /* Initialize the cif */ 27 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 28 &ffi_type_schar, args) == FFI_OK); 29 30 for (sc = (signed char) -127; 31 sc < (signed char) 127; sc++) 32 { 33 ul++; 34 ffi_call(&cif, FFI_FN(return_sc), &rint, values); 35 CHECK(rint == (ffi_arg) sc); 36 } 37 exit(0); 38} 39