Implement _Unwind_Resume in libc on top of <unwind-link.h>

Temporarily move the arm _Unwind_Resume implementation to the file
used by libpthread.  It will be ported to <unwind-link.h> along with
the rest of nptl.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/sysdeps/arm/unwind-resume.c b/sysdeps/arm/unwind-resume.c
new file mode 100644
index 0000000000..169d5c30e6
--- /dev/null
+++ b/sysdeps/arm/unwind-resume.c
@@ -0,0 +1,25 @@
+/* Unwinder function forwarders for libc.  Arm version.
+   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; see the file COPYING.LIB.  If
+   not, see <https://www.gnu.org/licenses/>.  */
+
+#include <sysdeps/generic/unwind-resume.c>
+
+void *
+__unwind_link_get_resume (void)
+{
+  return UNWIND_LINK_PTR (link (), _Unwind_Resume);
+}