diff options
Diffstat (limited to 'testsuite/libffi.call/return_ul.c')
-rw-r--r-- | testsuite/libffi.call/return_ul.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/testsuite/libffi.call/return_ul.c b/testsuite/libffi.call/return_ul.c new file mode 100644 index 0000000..12b266f --- /dev/null +++ b/testsuite/libffi.call/return_ul.c @@ -0,0 +1,38 @@ +/* Area: ffi_call + Purpose: Check if unsigned long as return type is handled correctly. + Limitations: none. + PR: none. + Originator: <kaffeetisch at gmx dot de> 20060724 */ + +/* { dg-do run } */ +#include "ffitest.h" +static unsigned long return_ul(unsigned long ul1, unsigned long ul2) +{ + return ul1 + ul2; +} + +int main (void) +{ + ffi_cif cif; + ffi_type *args[MAX_ARGS]; + void *values[MAX_ARGS]; + ffi_arg res; + unsigned long ul1, ul2; + + args[0] = &ffi_type_ulong; + args[1] = &ffi_type_ulong; + values[0] = &ul1; + values[1] = &ul2; + + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, + &ffi_type_ulong, args) == FFI_OK); + + ul1 = 1073741823L; + ul2 = 1073741824L; + + ffi_call(&cif, FFI_FN(return_ul), &res, values); + printf("res: %lu, %lu\n", (unsigned long)res, ul1 + ul2); + /* { dg-output "res: 2147483647, 2147483647" } */ + + exit(0); +} |