| /* Area: ffi_call |
| Purpose: Check that negative integers are passed correctly. |
| Limitations: none. |
| PR: none. |
| Originator: From the original ffitest.c */ |
| |
| /* { dg-do run } */ |
| |
| #include "ffitest.h" |
| |
| static int checking(int a, short b, signed char c) |
| { |
| |
| return (a < 0 && b < 0 && c < 0); |
| } |
| |
| int main (void) |
| { |
| ffi_cif cif; |
| ffi_type *args[MAX_ARGS]; |
| void *values[MAX_ARGS]; |
| ffi_arg rint; |
| |
| signed int si; |
| signed short ss; |
| signed char sc; |
| |
| args[0] = &ffi_type_sint; |
| values[0] = &si; |
| args[1] = &ffi_type_sshort; |
| values[1] = &ss; |
| args[2] = &ffi_type_schar; |
| values[2] = ≻ |
| |
| /* Initialize the cif */ |
| CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, |
| &ffi_type_sint, args) == FFI_OK); |
| |
| si = -6; |
| ss = -12; |
| sc = -1; |
| |
| checking (si, ss, sc); |
| |
| ffi_call(&cif, FFI_FN(checking), &rint, values); |
| |
| printf ("%d vs %d\n", (int)rint, checking (si, ss, sc)); |
| |
| CHECK(rint != 0); |
| |
| exit (0); |
| } |