From c09d1712ed076b259ba3babf8aa21df60650d2cb Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 28 Feb 2006 23:47:41 +0000 Subject: add pipe from glibc to fix popen test --- libc/sysdeps/linux/alpha/pipe.S | 48 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 libc/sysdeps/linux/alpha/pipe.S (limited to 'libc/sysdeps/linux/alpha/pipe.S') diff --git a/libc/sysdeps/linux/alpha/pipe.S b/libc/sysdeps/linux/alpha/pipe.S new file mode 100644 index 000000000..8a9236bc5 --- /dev/null +++ b/libc/sysdeps/linux/alpha/pipe.S @@ -0,0 +1,48 @@ +/* Copyright (C) 1993, 1995, 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Mosberger (davidm@cs.arizona.edu). + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include +#include + +/* __pipe is a special syscall since it returns two values. */ + +.globl pipe +.align 4 +.ent pipe, 0 +pipe: + .frame sp, 0, ra + ldgp gp,0(pv) + .prologue 1 + lda v0, __NR_pipe + call_pal PAL_callsys + bne a3, $syscall_error + + stl r0, 0(a0) + stl r1, 4(a0) + mov zero, v0 + ret + +$syscall_error: + jmp zero,__syscall_error + +.end pipe + +libc_hidden_def (pipe) -- cgit v1.2.3