* testsuite/libffi.call/return_sl.c: New test.

From-SVN: r127787

diff --git a/libffi/ChangeLog b/libffi/ChangeLog
index 671100b41880baa8ad7549b997010ec804ca506b..00e17a91e0a990c959c3ec8014eea484d69c61ab 100644 (file)
--- a/libffi/ChangeLog
+++ b/libffi/ChangeLog
@@ -1,3 +1,7 @@
+2007-08-24  David Daney  <ddaney@avtrex.com>
+
+       * testsuite/libffi.call/return_sl.c: New test.
+
 2007-08-10  David Daney  <ddaney@avtrex.com>
 
        * testsuite/libffi.call/cls_multi_ushort.c,

diff --git a/libffi/testsuite/libffi.call/return_sl.c b/libffi/testsuite/libffi.call/return_sl.c
new file mode 100644 (file)
index 0000000..f0fd345
--- /dev/null
+++ b/libffi/testsuite/libffi.call/return_sl.c
@@ -0,0 +1,38 @@
+/* Area:       ffi_call
+   Purpose:    Check if long as return type is handled correctly.
+   Limitations:        none.
+   PR:         none.
+ */
+
+/* { dg-do run } */
+#include "ffitest.h"
+static long return_sl(long l1, long l2)
+{
+  return l1 - l2;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg res;
+  unsigned long l1, l2;
+
+  args[0] = &ffi_type_slong;
+  args[1] = &ffi_type_slong;
+  values[0] = &l1;
+  values[1] = &l2;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
+                    &ffi_type_slong, args) == FFI_OK);
+
+  l1 = 1073741823L;
+  l2 = 1073741824L;
+
+  ffi_call(&cif, FFI_FN(return_sl), &res, values);
+  printf("res: %ld, %ld\n", (long)res, l1 - l2);
+  /* { dg-output "res: -1, -1" } */
+
+  exit(0);
+}