13 files changed, 539 insertions, 0 deletions
diff --git a/lib/libc/ia64/sys/Makefile.inc b/lib/libc/ia64/sys/Makefile.inc
new file mode 100644
index 0000000..3876d3a
--- /dev/null
+++ b/lib/libc/ia64/sys/Makefile.inc
@@ -0,0 +1,12 @@
+# $FreeBSD$
+
+MDASM+=	Ovfork.S brk.S cerror.S exect.S fork.S getcontext.S pipe.S ptrace.S \
+	sbrk.S setlogin.S sigreturn.S swapcontext.S
+
+# Don't generate default code for these syscalls:
+NOASM=	break.o exit.o getlogin.o openbsd_poll.o sstk.o vfork.o yield.o
+
+PSEUDO=	_getlogin.o _exit.o
+.if !defined(WITHOUT_SYSCALL_COMPAT)
+PSEUDO+= _pread.o _pwrite.o _lseek.o _mmap.o _ftruncate.o _truncate.o
+.endif
diff --git a/lib/libc/ia64/sys/Ovfork.S b/lib/libc/ia64/sys/Ovfork.S
new file mode 100644
index 0000000..6eb6958
--- /dev/null
+++ b/lib/libc/ia64/sys/Ovfork.S
@@ -0,0 +1,37 @@
+/*-
+ * Copyright (c) 2000 Doug Rabson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+SYSCALL(vfork)
+	cmp.ne	p7,p0=ret1,r0		/* ret1!=0 for child */
+	;;
+(p7)	mov	ret0=r0
+	br.ret.sptk.few rp
+END(__sys_vfork)
diff --git a/lib/libc/ia64/sys/brk.S b/lib/libc/ia64/sys/brk.S
new file mode 100644
index 0000000..fee1728
--- /dev/null
+++ b/lib/libc/ia64/sys/brk.S
@@ -0,0 +1,57 @@
+/*	$NetBSD: brk.S,v 1.4 1996/10/17 03:08:15 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+	.globl	_end
+IMPORT(curbrk, 8)
+
+	.data
+EXPORT(minbrk)
+	.quad	_end
+
+	.text
+ENTRY(brk, 1)
+	add	r14=@ltoff(minbrk),gp ;;
+	ld8	r14=[r14] ;;
+	ld8	r14=[r14] ;;
+	cmp.ltu	p6,p0=r32,r14 ;;
+(p6)	mov	r32=r14 ;;
+	st8	[sp]=r32
+	CALLSYS_ERROR(break)
+	ld8	r15=[sp]
+	add	r14=@ltoff(curbrk),gp ;;
+	ld8	r14=[r14] ;;
+	st8	[r14]=r15
+	mov	ret0=0
+	br.ret.sptk.few rp
+END(brk)
diff --git a/lib/libc/ia64/sys/cerror.S b/lib/libc/ia64/sys/cerror.S
new file mode 100644
index 0000000..ca0b0c7
--- /dev/null
+++ b/lib/libc/ia64/sys/cerror.S
@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 2000 Doug Rabson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+
+ENTRY(.cerror, 0)
+	alloc	loc0=ar.pfs,0,3,1,0
+	;;
+	mov	loc1=rp
+	mov	loc2=ret0
+	mov	out0=ret0
+	;;
+	br.call.sptk.few rp=__error
+	st4	[ret0]=loc2
+	;;
+	mov	ret0=-1
+	mov	ar.pfs=loc0
+	mov	rp=loc1
+	;;
+	br.ret.sptk.few rp
+END(.cerror)
diff --git a/lib/libc/ia64/sys/exect.S b/lib/libc/ia64/sys/exect.S
new file mode 100644
index 0000000..817d3b1
--- /dev/null
+++ b/lib/libc/ia64/sys/exect.S
@@ -0,0 +1,38 @@
+/*	$NetBSD: exect.S,v 1.2 1996/10/17 03:08:18 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+ENTRY(exect, 3)
+	CALLSYS_ERROR(execve)
+	br.ret.sptk.few rp
+END(exect)
diff --git a/lib/libc/ia64/sys/fork.S b/lib/libc/ia64/sys/fork.S
new file mode 100644
index 0000000..5b09f77
--- /dev/null
+++ b/lib/libc/ia64/sys/fork.S
@@ -0,0 +1,37 @@
+/*-
+ * Copyright (c) 2000 Doug Rabson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+SYSCALL(fork)
+	cmp.ne	p7,p0=ret1,r0		/* ret1!=0 for child */
+	;;
+(p7)	mov	ret0=r0
+	br.ret.sptk.few rp
+END(__sys_fork)
diff --git a/lib/libc/ia64/sys/getcontext.S b/lib/libc/ia64/sys/getcontext.S
new file mode 100644
index 0000000..0ec6f92
--- /dev/null
+++ b/lib/libc/ia64/sys/getcontext.S
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2003 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+ENTRY(__sys_getcontext,2)
+	WEAK_ALIAS(getcontext, __sys_getcontext)
+	WEAK_ALIAS(_getcontext, __sys_getcontext)
+	flushrs
+	;;
+	CALLSYS_ERROR(getcontext)
+	br.ret.sptk.few rp
+END(__sys_getcontext)
diff --git a/lib/libc/ia64/sys/pipe.S b/lib/libc/ia64/sys/pipe.S
new file mode 100644
index 0000000..a6413df
--- /dev/null
+++ b/lib/libc/ia64/sys/pipe.S
@@ -0,0 +1,47 @@
+/*	$NetBSD: pipe.S,v 1.1 1995/02/10 17:50:35 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+ENTRY(__sys_pipe, 1)
+	WEAK_ALIAS(pipe, __sys_pipe)
+	WEAK_ALIAS(_pipe, __sys_pipe)
+	st8		[sp]=r32
+	CALLSYS_ERROR(pipe)
+	ld8		r14=[sp]
+	;;
+	st4		[r14]=ret0,4
+	;;
+	st4		[r14]=ret1
+	mov		ret0=0
+	br.ret.sptk.few rp
+END(__sys_pipe)
diff --git a/lib/libc/ia64/sys/ptrace.S b/lib/libc/ia64/sys/ptrace.S
new file mode 100644
index 0000000..b6d3abd
--- /dev/null
+++ b/lib/libc/ia64/sys/ptrace.S
@@ -0,0 +1,41 @@
+/*	$NetBSD: ptrace.S,v 1.4 1996/11/08 00:51:24 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+ENTRY(ptrace, 4)
+	add	r14=@ltoff(errno),gp ;;
+	ld8	r14=[r14] ;;
+	st4	[r14]=r0
+	CALLSYS_ERROR(ptrace)
+	br.ret.sptk.few rp
+END(ptrace)
diff --git a/lib/libc/ia64/sys/sbrk.S b/lib/libc/ia64/sys/sbrk.S
new file mode 100644
index 0000000..98b5ce9
--- /dev/null
+++ b/lib/libc/ia64/sys/sbrk.S
@@ -0,0 +1,63 @@
+/*	$NetBSD: sbrk.S,v 1.4 1996/10/17 03:08:20 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+	.globl	_end
+
+	.data
+EXPORT(curbrk)
+	.quad	_end
+
+	.text
+ENTRY(sbrk, 1)
+	add	r14 = @ltoff(curbrk), gp
+	;;
+	ld8	r14 = [r14]
+	cmp.eq	p6, p0 = r32, r0
+	;;
+	ld8	ret0 = [r14]
+(p6)	br.ret.sptk.few	rp
+	;;
+	add	r32 = ret0, r32
+	;;
+	st8	[sp] = r32
+	CALLSYS_ERROR(break)
+	ld8	r15 = [sp]
+	add	r14 = @ltoff(curbrk), gp
+	;;
+	ld8	r14 = [r14]
+	;;
+	ld8	ret0 = [r14]
+	st8	[r14] = r15
+	br.ret.sptk.few	rp
+END(sbrk)
diff --git a/lib/libc/ia64/sys/setlogin.S b/lib/libc/ia64/sys/setlogin.S
new file mode 100644
index 0000000..1d29a40
--- /dev/null
+++ b/lib/libc/ia64/sys/setlogin.S
@@ -0,0 +1,42 @@
+/*	$NetBSD: setlogin.S,v 1.1 1995/02/10 17:50:39 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+IMPORT(_logname_valid, 4)			/* in getlogin() */
+
+SYSCALL(setlogin)
+	add	r14=@ltoff(_logname_valid),gp ;;
+	ld8	r14=[r14] ;;
+	st4	[r14]=r0			/* clear it */
+	br.ret.sptk.few rp
+END(__sys_setlogin)
diff --git a/lib/libc/ia64/sys/sigreturn.S b/lib/libc/ia64/sys/sigreturn.S
new file mode 100644
index 0000000..2c7a710
--- /dev/null
+++ b/lib/libc/ia64/sys/sigreturn.S
@@ -0,0 +1,41 @@
+/*	$NetBSD: sigreturn.S,v 1.1 1995/02/10 17:50:42 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+/*
+ * We must preserve the state of the registers as the user has set them up.
+ * However, that doesn't involve any special work on the ia64.
+ * (XXX PROFILING)
+ */
+
+RSYSCALL(sigreturn)
diff --git a/lib/libc/ia64/sys/swapcontext.S b/lib/libc/ia64/sys/swapcontext.S
new file mode 100644
index 0000000..210189f
--- /dev/null
+++ b/lib/libc/ia64/sys/swapcontext.S
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2003 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+#include "SYS.h"
+
+ENTRY(__sys_swapcontext,2)
+	WEAK_ALIAS(swapcontext, __sys_swapcontext)
+	WEAK_ALIAS(_swapcontext, __sys_swapcontext)
+	flushrs
+	;;
+	CALLSYS_ERROR(swapcontext)
+	br.ret.sptk.few rp
+END(__sys_swapcontext)