1 files changed, 63 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/arm/pwrite64.c b/ports/sysdeps/unix/sysv/linux/arm/pwrite64.c
new file mode 100644
index 0000000000..c7bfdaf9f3
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/arm/pwrite64.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2005
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   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 <errno.h>
+#include <endian.h>
+#include <unistd.h>
+
+#include <sysdep-cancel.h>
+#include <sys/syscall.h>
+#include <bp-checks.h>
+
+ssize_t
+__libc_pwrite64 (fd, buf, count, offset)
+     int fd;
+     const void *buf;
+     size_t count;
+     off64_t offset;
+{
+  ssize_t result;
+
+  if (SINGLE_THREAD_P)
+    {
+      /* In the ARM EABI, 64-bit values are aligned to even/odd register
+	 pairs for syscalls.  */
+      result = INLINE_SYSCALL (pwrite64, 6, fd, CHECK_N (buf, count), count, 0,
+			       __LONG_LONG_PAIR ((off_t) (offset >> 32),
+						 (off_t) (offset & 0xffffffff)));
+
+      return result;
+    }
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  /* In the ARM EABI, 64-bit values are aligned to even/odd register
+     pairs for syscalls.  */
+  result = INLINE_SYSCALL (pwrite64, 6, fd, CHECK_N (buf, count), count, 0,
+			   __LONG_LONG_PAIR ((off_t) (offset >> 32),
+					     (off_t) (offset & 0xffffffff)));
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
+}
+
+weak_alias (__libc_pwrite64, __pwrite64)
+libc_hidden_weak (__pwrite64)
+weak_alias (__libc_pwrite64, pwrite64)