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authorH.J. Lu <hjl.tools@gmail.com>2021-12-09 07:01:33 -0800
committerH.J. Lu <hjl.tools@gmail.com>2021-12-10 11:26:08 -0800
commitfc2334ab32e04916832955301225a9785c36dac1 (patch)
treea9e4aaacf5282485797b332a6ada5209189da9fe /elf/tst-align3.c
parent718fdd87b1b98ef88e883a37d9c18867256fa5a4 (diff)
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Add a testcase to check alignment of PT_LOAD segment [BZ #28676]
Diffstat (limited to 'elf/tst-align3.c')
-rw-r--r--elf/tst-align3.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/elf/tst-align3.c b/elf/tst-align3.c
new file mode 100644
index 0000000000..ac86d623a6
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+++ b/elf/tst-align3.c
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+/* Check alignment of PT_LOAD segment in a shared library.
+   Copyright (C) 2021 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 <support/check.h>
+#include <tst-stack-align.h>
+
+/* This should cover all possible page sizes we currently support.  */
+#define ALIGN 0x200000
+
+int bar __attribute__ ((aligned (ALIGN))) = 1;
+
+extern int do_load_test (void);
+
+static int
+do_test (void)
+{
+  printf ("bar: %p\n", &bar);
+  TEST_VERIFY (is_aligned (&bar, ALIGN) == 0);
+
+  return do_load_test ();
+}
+
+#include <support/test-driver.c>