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 10 static signed char return_sc(signed char sc) 11 { 12 return sc; 13 } 14 int 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 22 args[0] = &ffi_type_schar; 23 values[0] = ≻ 24 25 /* Initialize the cif */ 26 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 27 &ffi_type_schar, args) == FFI_OK); 28 29 for (sc = (signed char) -127; 30 sc < (signed char) 127; sc++) 31 { 32 ffi_call(&cif, FFI_FN(return_sc), &rint, values); 33 CHECK((signed char)rint == sc); 34 } 35 exit(0); 36 } 37
