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-rw-r--r--sysdeps/aarch64/tst-ifunc-arg-1.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/sysdeps/aarch64/tst-ifunc-arg-1.c b/sysdeps/aarch64/tst-ifunc-arg-1.c
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+++ b/sysdeps/aarch64/tst-ifunc-arg-1.c
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+/* Test STT_GNU_IFUNC resolver with second argument.
+   Copyright (C) 2019 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>
+#include <sys/auxv.h>
+#include <sys/ifunc.h>
+#include <support/check.h>
+
+static int
+one (void)
+{
+  return 1;
+}
+
+static uint64_t saved_arg1;
+static __ifunc_arg_t saved_arg2;
+
+/* extern visible ifunc symbol.  */
+int
+foo (void);
+
+void *
+foo_ifunc (uint64_t, const __ifunc_arg_t *) __asm__ ("foo");
+__asm__(".type foo, %gnu_indirect_function");
+
+void *
+inhibit_stack_protector
+foo_ifunc (uint64_t arg1, const __ifunc_arg_t *arg2)
+{
+  saved_arg1 = arg1;
+  if (arg1 & _IFUNC_ARG_HWCAP)
+      saved_arg2 = *arg2;
+  return (void *) one;
+}
+
+static int
+do_test (void)
+{
+  TEST_VERIFY (foo () == 1);
+  TEST_VERIFY (saved_arg1 & _IFUNC_ARG_HWCAP);
+  TEST_COMPARE ((uint32_t)saved_arg1, (uint32_t)getauxval (AT_HWCAP));
+  TEST_COMPARE (saved_arg2._size, sizeof (__ifunc_arg_t));
+  TEST_COMPARE (saved_arg2._hwcap, getauxval (AT_HWCAP));
+  TEST_COMPARE (saved_arg2._hwcap2, getauxval (AT_HWCAP2));
+  return 0;
+}
+
+#include <support/test-driver.c>