1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)pipe.s 5.1 (Berkeley) 4/23/90 33 * $FreeBSD: src/lib/libc/amd64/sys/pipe.S,v 1.15 2008/11/02 01:10:54 peter Exp $ 34 */ 35 36#include <machine/asm.h> 37#include "SYS.h" 38 39 .weak _pipe2 40 .set _pipe2,__sys_pipe2 41 .weak pipe2 42 .set pipe2,__sys_pipe2 43ENTRY(__sys_pipe2) 44 mov $SYS_pipe2,%rax 45 KERNCALL 46 jb 1f 47 movl %eax,(%rdi) /* %rdi is preserved by syscall */ 48 movl %edx,4(%rdi) 49 movq $0,%rax 50 ret 511: 52#ifdef PIC 53 movq PIC_GOT(HIDENAME(cerror)),%rdx 54 jmp *%rdx 55#else 56 jmp HIDENAME(cerror) 57#endif 58END(__sys_pipe2) 59 60 .section .note.GNU-stack,"",%progbits 61