--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/os_cpu/linux_aarch64/threadLS_linux_aarch64.s	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,44 @@
+// Copyright (c) 2015, Red Hat Inc. All rights reserved.
+// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+//
+// This code is free software; you can redistribute it and/or modify it
+// under the terms of the GNU General Public License version 2 only, as
+// published by the Free Software Foundation.
+//
+// This code 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 General Public License
+// version 2 for more details (a copy is included in the LICENSE file that
+// accompanied this code).
+//
+// You should have received a copy of the GNU General Public License version
+// 2 along with this work; if not, write to the Free Software Foundation,
+// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+// or visit www.oracle.com if you need additional information or have any
+// questions.
+
+        // JavaThread::aarch64_get_thread_helper()
+        //
+        // Return the current thread pointer in x0.
+        // Clobber x1, flags.
+        // All other registers are preserved,
+
+	.global	_ZN10JavaThread25aarch64_get_thread_helperEv
+	.type	_ZN10JavaThread25aarch64_get_thread_helperEv, %function
+
+_ZN10JavaThread25aarch64_get_thread_helperEv:
+	stp x29, x30, [sp, -16]!
+	adrp x0, :tlsdesc:_ZN6Thread12_thr_currentE
+	ldr x1, [x0, #:tlsdesc_lo12:_ZN6Thread12_thr_currentE]
+	add x0, x0, :tlsdesc_lo12:_ZN6Thread12_thr_currentE
+	.tlsdesccall _ZN6Thread12_thr_currentE
+	blr x1
+	mrs x1, tpidr_el0
+	add x0, x1, x0
+	ldr x0, [x0]
+	ldp x29, x30, [sp], 16
+	ret
+
+	.size _ZN10JavaThread25aarch64_get_thread_helperEv, .-_ZN10JavaThread25aarch64_get_thread_helperEv