zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/sh/pipe.c b/ap/build/uClibc/libc/sysdeps/linux/sh/pipe.c
new file mode 100644
index 0000000..799f518
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/sh/pipe.c
@@ -0,0 +1,39 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * pipe syscall for uClibc sh
+ *
+ * Copyright (C) 2001 Lineo, <davidm@lineo.com>
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <syscall.h>
+
+
+int pipe(int *fd)
+{
+ long __res, __res2;
+ __asm__ __volatile__ (
+ "mov %2, r3;"
+ "mov %3, r4;"
+ "trapa %4;"
+ "mov r1, %1;"
+ : "=z" (__res),
+ "=r" ((long) __res2)
+ : "r" ((long) __NR_pipe),
+ "r" ((long) fd),
+ "i" (__SH_SYSCALL_TRAP_BASE + 3)
+ : "cc", "memory", "r1", "r3", "r4");
+ if ((unsigned long)(__res) >= (unsigned long)(-125)) {
+ int __err = -(__res);
+ errno = __err;
+ return(-1);
+ }
+ fd[0] = __res;
+ fd[1] = __res2;
+ return(0);
+}
+libc_hidden_def(pipe)