diff options
Diffstat (limited to 'lib/libc/aarch64/sys/pipe.S')
| -rw-r--r-- | lib/libc/aarch64/sys/pipe.S | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/libc/aarch64/sys/pipe.S b/lib/libc/aarch64/sys/pipe.S new file mode 100644 index 0000000..6b1cf24 --- /dev/null +++ b/lib/libc/aarch64/sys/pipe.S @@ -0,0 +1,52 @@ +/*- + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Andrew Turner under + * sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD$"); + +#include "SYS.h" + +ENTRY(__sys_pipe) + WEAK_REFERENCE(__sys_pipe, pipe) + + /* Backup the pointer passed to us */ + mov x2, x0 + + /* Make the syscall */ + _SYSCALL(pipe) + b.cs cerror + + /* Store the result */ + str w0, [x2, #0] + str w1, [x2, #4] + + /* Return */ + mov x0, #0 + ret +END(__sys_pipe) |
