Add test case

1 files changed, 40 insertions, 0 deletions

diff --git a/testsuite/libffi.call/bpo-38748.c b/testsuite/libffi.call/bpo-38748.c
new file mode 100644
index 0000000..26ea270
--- /dev/null
+++ b/testsuite/libffi.call/bpo-38748.c
@@ -0,0 +1,40 @@
+/* Area:	bpo-38748
+   Purpose:	test for stdcall alignment problem
+   Source:      github.com/python/cpython/pull/26204 */
+
+/* { dg-do run } */
+
+#include "ffitest.h"
+#include "ffi_common.h"
+
+static long ABI_ATTR align_arguments(long l1,
+                                     long long l2)
+{
+  return l1 + l2;
+}
+
+int main(void)
+{
+  ffi_cif cif;
+  ffi_type *args[4] = {
+    &ffi_type_uint32,
+    &ffi_type_uint64
+  };
+  UINT32 lr1, lr2, l1 = 1;
+  UINT64 l2 = 2;
+  void *values[2] = {&l1, &l2};
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, ABI_NUM, 2,
+		     &ffi_type_uint32, args) == FFI_OK);
+
+  lr1 = align_arguments(l1, l2);
+
+  ffi_call(&cif, FFI_FN(align_arguments), &lr2, values);
+
+  if (lr1 == lr2)
+    printf("bpo-38748 arguments tests ok!\n");
+  else
+    CHECK(0);
+  exit(0);
+}