1 files changed, 63 insertions, 0 deletions
diff --git a/sysdeps/unix/arm/sysdep.S b/sysdeps/unix/arm/sysdep.S
new file mode 100644
index 0000000000..1a0f093238
--- /dev/null
+++ b/sysdeps/unix/arm/sysdep.S
@@ -0,0 +1,63 @@
+/* Copyright (C) 1991-2014 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 <sysdep.h>
+#define _ERRNO_H
+#include <bits/errno.h>
+
+#ifdef IS_IN_rtld
+# include <dl-sysdep.h>			/* Defines RTLD_PRIVATE_ERRNO.  */
+#endif
+
+#include <tls.h>
+
+#undef syscall_error
+__syscall_error:
+#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
+	/* We translate the system's EWOULDBLOCK error into EAGAIN.
+	   The GNU C library always defines EWOULDBLOCK==EAGAIN.
+	   EWOULDBLOCK_sys is the original number.  */
+	cmp	r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK?  */
+	it	eq
+	moveq	r0, $EAGAIN	/* Yes; translate it to EAGAIN.  */
+#endif
+
+#ifndef IS_IN_rtld
+	mov	r1, r0
+	GET_TLS (r2)
+	ldr	r2, 1f
+#ifdef __thumb__
+2:	add	r2, r2, pc
+	ldr	r2, [r2]
+#else
+2:	ldr	r2, [pc, r2]
+#endif
+	str	r1, [r0, r2]
+	mvn	r0, #0
+	DO_RET(lr)
+
+1:	.word errno(gottpoff) + (. - 2b - PC_OFS)
+#elif RTLD_PRIVATE_ERRNO
+	LDST_PCREL(str, r0, r1, C_SYMBOL_NAME(rtld_errno))
+	mvn	r0, #0
+	DO_RET(r14)
+#else
+#error "Unsupported non-TLS case"
+#endif
+
+#undef	__syscall_error
+END (__syscall_error)