From c033aa2afcd0c1db54670c90a251aee5019380ce Mon Sep 17 00:00:00 2001 From: Austin Foxley Date: Tue, 26 May 2009 15:35:16 -0700 Subject: Add working pipe implementation for sparc Also get rid of warning in sparc sigaction Signed-off-by: Austin Foxley --- libc/sysdeps/linux/sparc/pipe.S | 62 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 libc/sysdeps/linux/sparc/pipe.S (limited to 'libc/sysdeps/linux/sparc/pipe.S') diff --git a/libc/sysdeps/linux/sparc/pipe.S b/libc/sysdeps/linux/sparc/pipe.S new file mode 100644 index 000000000..0226e3f5c --- /dev/null +++ b/libc/sysdeps/linux/sparc/pipe.S @@ -0,0 +1,62 @@ +/* Copyright (C) 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 1999. + + 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. + + Ported to uClibc by: + Austin Foxley, Ceton Corporation + */ + +#include +#include +#include + +.text +.global pipe +.type pipe, @function +.align 4 + +pipe: + save %sp,-96,%sp + + /* sanity check arguments */ + tst %i0 + be .Lerror + orcc %i1,%g0,%o1 + be .Lerror + mov %i2,%o0 + + /* Do the system call */ + set __NR_pipe,%g1 + ta 0x10 + bcs .Lerror + nop + + st %o0,[%i0] + st %o1,[%i0+4] + ret + restore %o0,%g0,%o0 + +.Lerror: + call __errno_location + or %g0,EINVAL,%i0 + st %i0,[%o0] + ret + restore %g0,-1,%o0 + +.size pipe,.-pipe +libc_hidden_def(pipe) -- cgit v1.2.3