1 files changed, 67 insertions, 0 deletions
diff --git a/sysdeps/aarch64/tst-ifunc-arg-4.c b/sysdeps/aarch64/tst-ifunc-arg-4.c
new file mode 100644
index 0000000..c95ef9e
--- /dev/null
+++ b/sysdeps/aarch64/tst-ifunc-arg-4.c
@@ -0,0 +1,67 @@
+/* Test for ifunc resolver that uses __ifunc_hwcap helper function.
+   Copyright (C) 2025 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 <stdio.h>
+#include <stdint.h>
+#include <sys/auxv.h>
+#include <sys/ifunc.h>
+#include <support/check.h>
+
+static int
+one (void)
+{
+  return 1;
+}
+
+static int
+two (void)
+{
+  return 2;
+}
+
+/* Resolver function.  */
+static void *
+resolver (uint64_t arg0, const uint64_t arg1[])
+{
+  uint64_t hwcap2 = __ifunc_hwcap (_IFUNC_ARG_AT_HWCAP2, arg0, arg1);
+  if (hwcap2 & HWCAP2_POE)
+    return (void *)one;
+  else
+    return (void *)two;
+}
+
+/* An extern visible ifunc symbol.  */
+int fun (void) __attribute__((ifunc ("resolver")));
+
+static int
+do_test (void)
+{
+  if (getauxval (AT_HWCAP2) & HWCAP2_POE)
+    {
+      printf ("using 1st implementation\n");
+      TEST_VERIFY (fun () == 1);
+    }
+  else
+    {
+      printf ("using 2nd implementation\n");
+      TEST_VERIFY (fun () == 2);
+    }
+  return 0;
+}
+
+#include <support/test-driver.c>