1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/arm/nacl/exit-thread.c b/sysdeps/arm/nacl/exit-thread.c
new file mode 100644
index 0000000000..9b39dbaa42
--- /dev/null
+++ b/sysdeps/arm/nacl/exit-thread.c
@@ -0,0 +1,38 @@
+/* Call to terminate the current thread.  NaCl/ARM version.
+   Copyright (C) 2015 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/>.  */
+
+/* This bit is machine-specific: Switch stacks to SP and call FUNC (ARG).  */
+static void __attribute__ ((noreturn))
+call_on_stack (void *sp,
+               void (*func) (void *)
+                 internal_function __attribute__ ((noreturn)),
+               void *arg)
+{
+  register void *r0 asm ("r0") = arg;
+  asm volatile ("bic sp, %[sp], %[dmask]\n\t"
+                "sfi_blx %[func]"
+                :
+                : [sp] "r" (sp),
+                  [dmask] "ir" (0xc0000000),
+                  [func] "r" (func),
+                  "r" (r0));
+  __builtin_trap ();
+}
+
+/* The rest is machine-independent.  */
+#include <sysdeps/nacl/exit-thread.c>