1 files changed, 53 insertions, 0 deletions
diff --git a/elf/tst-ifunc-textrel.c b/elf/tst-ifunc-textrel.c
new file mode 100644
index 0000000000..60e5ac3bf8
--- /dev/null
+++ b/elf/tst-ifunc-textrel.c
@@ -0,0 +1,53 @@
+/* Check DT_TEXTREL/DF_TEXTREL support with ifunc.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdint.h>
+
+/* Some linkers may fail to produce a shared object with ifunc and text
+   relocations.  */
+#if CAN_TEXTREL_IFUNC
+/* Force a text relocation in the object.  */
+static const uintptr_t
+address __attribute__((section(".text"))) = (uintptr_t) &address;
+
+static uintptr_t
+foo_impl (void)
+{
+  return address;
+}
+
+void *
+__attribute__((noinline))
+foo (void)
+{
+  return (void*) foo_impl;
+}
+__asm__ (".type foo, %gnu_indirect_function");
+#endif
+
+static int
+do_test (void)
+{
+#if CAN_TEXTREL_IFUNC
+  return (uintptr_t) foo () != 0 ? 0 : 1;
+#else
+  return 0;
+#endif
+}
+
+#include <support/test-driver.c>