elf: Add a test for PT_LOAD segments with invalid p_align [BZ #28688]

Build tst-p_alignmod3.so with 256 byte page size and verify that it is
rejected with a proper error message.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/elf/tst-p_alignmod3.c b/elf/tst-p_alignmod3.c
new file mode 100644
index 0000000000..c15de3d6f2
--- /dev/null
+++ b/elf/tst-p_alignmod3.c
@@ -0,0 +1,25 @@
+/* Check invalid p_align of PT_LOAD segment in a shared library.
+   Copyright (C) 2022 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include "tst-p_align.h"
+
+int
+do_load_test (void)
+{
+  return 0;
+}