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-rw-r--r--libc/sysdeps/linux/alpha/Makefile.arch5
-rw-r--r--libc/sysdeps/linux/alpha/pipe.S48
2 files changed, 51 insertions, 2 deletions
diff --git a/libc/sysdeps/linux/alpha/Makefile.arch b/libc/sysdeps/linux/alpha/Makefile.arch
index 84e0561ec..0a0fbdba4 100644
--- a/libc/sysdeps/linux/alpha/Makefile.arch
+++ b/libc/sysdeps/linux/alpha/Makefile.arch
@@ -1,6 +1,6 @@
# Makefile for uClibc
#
-# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+# Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#
@@ -9,6 +9,7 @@ CSRC := __syscall_error.c sigprocmask.c
SSRC := \
__longjmp.S brk.S bsd-_setjmp.S bsd-setjmp.S clone.S \
- divl.S divq.S reml.S remq.S rt_sigaction.S setjmp.S syscall.S
+ divl.S divq.S pipe.S reml.S remq.S rt_sigaction.S setjmp.S \
+ syscall.S
include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch
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 <features.h>
+#include <sys/syscall.h>
+#include <sys/regdef.h>
+#include <asm/pal.h>
+
+/* __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)