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authorMike Frysinger <vapier@gentoo.org>2006-02-28 23:47:41 +0000
committerMike Frysinger <vapier@gentoo.org>2006-02-28 23:47:41 +0000
commitc09d1712ed076b259ba3babf8aa21df60650d2cb (patch)
tree6685774df93909743f0ae3c42761e9c72b894cab /libc/sysdeps/linux/alpha/pipe.S
parent0e0e8dde81ff408a621bbf8165f55125b6f06c86 (diff)
add pipe from glibc to fix popen test
Diffstat (limited to 'libc/sysdeps/linux/alpha/pipe.S')
-rw-r--r--libc/sysdeps/linux/alpha/pipe.S48
1 files changed, 48 insertions, 0 deletions
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)