2006-07-25 Torsten Schoenfeld <kaffeetisch@gmx.de>

	* include/ffi.h.in (ffi_type_ulong, ffi_type_slong): Define correctly
	for 32-bit architectures.
	* testsuite/libffi.call/return_ul.c: New test case.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@115739 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 38 insertions, 0 deletions

diff --git a/libffi/testsuite/libffi.call/return_ul.c b/libffi/testsuite/libffi.call/return_ul.c
new file mode 100644
index 00000000000..25102240bc8
--- /dev/null
+++ b/libffi/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];
+  unsigned long 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: %ld, %ld\n", res, ul1 + ul2);
+  /* { dg-output "res: 2147483647, 2147483647" } */
+
+  exit(0);
+}