things for amd64; from art@

12 files changed, 735 insertions, 0 deletions

diff --git a/lib/libc/arch/x86_64/sys/Ovfork.S b/lib/libc/arch/x86_64/sys/Ovfork.S
new file mode 100644
index 00000000000..865d460014f
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/Ovfork.S
@@ -0,0 +1,67 @@
+/*	$OpenBSD: Ovfork.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: Ovfork.S,v 1.2 2002/06/03 18:30:33 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)Ovfork.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+/*
+ * pid = vfork();
+ *
+ * %edx == 0 in parent process, %edx == 1 in child process.
+ * %eax == pid of child in parent, %eax == pid of parent in child.
+ *
+ */
+SYSENTRY(vfork)
+	popq	%r9		/* my rta into r9 */
+	SYSTRAP(vfork)
+	jc	err
+	decl	%edx
+	andl	%edx,%eax
+	jmp	*%r9
+err:
+	pushq	%r9
+#ifdef PIC
+	movq	PIC_GOT(CERROR), %rcx
+	jmp	*%rcx
+#else
+	jmp	CERROR
+#endif
diff --git a/lib/libc/arch/x86_64/sys/brk.S b/lib/libc/arch/x86_64/sys/brk.S
new file mode 100644
index 00000000000..1563091c7f3
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/brk.S
@@ -0,0 +1,87 @@
+/*	$OpenBSD: brk.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: brk.S,v 1.2 2002/06/03 18:30:33 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)brk.s	5.2 (Berkeley) 12/17/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+	.globl	_end
+	.globl	_C_LABEL(__minbrk)
+	.globl	CURBRK
+
+#ifdef WEAK_ALIAS
+WEAK_ALIAS(brk, _brk)
+#endif
+
+	.data
+_C_LABEL(__minbrk):
+	.quad	_end
+	.text
+
+SYSENTRY(_brk)
+#ifdef PIC
+	movq	PIC_GOT(_C_LABEL(__minbrk)),%rdx
+	cmpq	%rdi,(%rdx)
+	jb	1f
+	movq	(%rdx),%rdi
+1:
+	SYSTRAP(break)
+	jc	err
+	movq	PIC_GOT(CURBRK),%rdx	# set up GOT addressing
+	movq	%rdi,(%rdx)
+	xorl	%eax,%eax
+	ret
+err:
+	movq	PIC_GOT(CERROR),%rdx
+	jmp	*%rdx
+#else
+	cmpq	%rdi,_C_LABEL(__minbrk)(%rip)
+	jb	1f
+	movq	_C_LABEL(__minbrk)(%rip),%rdi
+1:
+	SYSTRAP(break)
+	jc	err
+	movq	%rdi,CURBRK(%rip)
+	xorl	%eax,%eax
+	ret
+err:
+	jmp	CERROR
+#endif
diff --git a/lib/libc/arch/x86_64/sys/cerror.S b/lib/libc/arch/x86_64/sys/cerror.S
new file mode 100644
index 00000000000..400bb5d81e0
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/cerror.S
@@ -0,0 +1,55 @@
+/*	$OpenBSD: cerror.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: cerror.S,v 1.2 2002/06/03 18:30:33 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)cerror.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+	.globl	_C_LABEL(errno)
+
+_ENTRY(CERROR)
+#ifdef PIC
+	movq    %rax, PIC_GOT(_C_LABEL(errno))
+#else
+	movq    %rax, _C_LABEL(errno)(%rip)
+#endif /* PIC */
+	movq	$-1,%rax
+	ret
diff --git a/lib/libc/arch/x86_64/sys/exect.S b/lib/libc/arch/x86_64/sys/exect.S
new file mode 100644
index 00000000000..31028402b6a
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/exect.S
@@ -0,0 +1,57 @@
+/*	$OpenBSD: exect.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: exect.S,v 1.1 2001/06/19 00:25:06 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)exect.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+#include <machine/psl.h>
+
+SYSENTRY(exect)
+	pushfq
+	orb	$(PSL_T>>8),1(%rsp)
+	popfq
+	SYSTRAP(execve)
+#ifdef PIC
+	movq	PIC_GOT(CERROR), %rcx
+	jmp	*%rcx
+#else
+	jmp	CERROR
+#endif
diff --git a/lib/libc/arch/x86_64/sys/fork.S b/lib/libc/arch/x86_64/sys/fork.S
new file mode 100644
index 00000000000..155ee7227d6
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/fork.S
@@ -0,0 +1,49 @@
+/*	$OpenBSD: fork.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: fork.S,v 1.2 2003/02/13 02:50:51 nathanw Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)fork.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+SYSCALL(fork)
+	decl	%edx	/* from 1 to 0 in child, 0 to -1 in parent */
+	andl	%edx,%eax
+	ret		/* pid = fork(); */
diff --git a/lib/libc/arch/x86_64/sys/rfork.S b/lib/libc/arch/x86_64/sys/rfork.S
new file mode 100644
index 00000000000..caedbbd9aff
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/rfork.S
@@ -0,0 +1,48 @@
+/*	$OpenBSD: rfork.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)fork.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+SYSCALL(rfork)
+	decl	%edx	/* from 1 to 0 in child, 0 to -1 in parent */
+	andl	%edx,%eax
+	ret		/* pid = rfork(); */
diff --git a/lib/libc/arch/x86_64/sys/sbrk.S b/lib/libc/arch/x86_64/sys/sbrk.S
new file mode 100644
index 00000000000..aad5f89d7d8
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/sbrk.S
@@ -0,0 +1,82 @@
+/*	$OpenBSD: sbrk.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: sbrk.S,v 1.1 2001/06/19 00:25:06 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)sbrk.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+	.globl	_end
+	.globl	CURBRK
+
+#ifdef WEAK_ALIAS
+WEAK_ALIAS(sbrk, _sbrk)
+#endif
+
+	.data
+CURBRK:	.quad	_end
+	.text
+
+SYSENTRY(_sbrk)
+#ifdef PIC
+	movq	PIC_GOT(CURBRK),%rdx
+	movq	(%rdx),%rax
+	addq	%rax,%rdi
+	SYSTRAP(break)
+	jc	err
+	movq	PIC_GOT(CURBRK),%rdx
+	movq	(%rdx),%rax
+	movq	%rdi,(%rdx)
+	ret
+err:
+	mov	PIC_GOT(CERROR),%rdx
+	jmp	*%rdx
+#else
+	movq	CURBRK(%rip),%rax
+	movq	%rdi,%rsi
+	addq	%rax,%rdi
+	SYSTRAP(break)
+	jc	err
+	movq	CURBRK(%rip),%rax
+	addq	%rsi,CURBRK(%rip)
+	ret
+err:
+	jmp	CERROR
+#endif
diff --git a/lib/libc/arch/x86_64/sys/sigpending.S b/lib/libc/arch/x86_64/sys/sigpending.S
new file mode 100644
index 00000000000..bbebd47c6bf
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/sigpending.S
@@ -0,0 +1,49 @@
+/*	$OpenBSD: sigpending.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: sigpending.S,v 1.1 2001/06/19 00:25:06 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)sigpending.s	5.1 (Berkeley) 7/1/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+SYSCALL(sigpending)
+	movl	%eax,(%rdi)		# store old mask
+	xorl	%eax,%eax
+	ret
diff --git a/lib/libc/arch/x86_64/sys/sigprocmask.S b/lib/libc/arch/x86_64/sys/sigprocmask.S
new file mode 100644
index 00000000000..3718f8de3ae
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/sigprocmask.S
@@ -0,0 +1,66 @@
+/*	$OpenBSD: sigprocmask.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: sigprocmask.S,v 1.1 2001/06/19 00:25:06 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)sigprocmask.s	5.2 (Berkeley) 12/17/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+SYSENTRY(sigprocmask)
+	testq	%rsi,%rsi		# check new sigset pointer
+	jnz	1f			# if not null, indirect
+	movl	$1,%edi			# SIG_BLOCK
+	jmp	2f
+1:	movl	(%rsi),%esi		# fetch indirect  ...
+2:	SYSTRAP(sigprocmask)
+	jc	err
+	testq	%rdx,%rdx		# test if old mask requested
+	jz	out
+	movq	%rax,(%rdx)		# store old mask
+out:
+	xorl	%eax,%eax
+	ret
+err:
+#ifdef PIC
+	movq	PIC_GOT(CERROR), %rcx
+	jmp	*%rcx
+#else
+	jmp	CERROR
+#endif
diff --git a/lib/libc/arch/x86_64/sys/sigreturn.S b/lib/libc/arch/x86_64/sys/sigreturn.S
new file mode 100644
index 00000000000..e065cbc894d
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/sigreturn.S
@@ -0,0 +1,60 @@
+/*	$OpenBSD: sigreturn.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: __sigreturn14.S,v 1.1 2001/06/19 00:25:06 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)sigreturn.s	5.2 (Berkeley) 12/17/90"
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+/*
+ * We must preserve the state of the registers as the user has set them up.
+ */
+#if 0	/* XXXfvdl fix later, but this one is really low priority */
+#ifdef GPROF
+#undef ENTRY
+#define MCOUNT_SYMBOL	__mcount
+#define	ENTRY(x) \
+	.globl _/**/x; _ALIGN_TEXT; _/**/x:  pusha ; \
+	.data; 1:; .long 0; .text; movl $1b,%eax; call MCOUNT_SYMBOL; popa ; nop
+#endif /* GPROF */
+#endif
+
+SYSCALL(sigreturn)
+	ret
diff --git a/lib/libc/arch/x86_64/sys/sigsuspend.S b/lib/libc/arch/x86_64/sys/sigsuspend.S
new file mode 100644
index 00000000000..985bf61b99d
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/sigsuspend.S
@@ -0,0 +1,58 @@
+/*	$OpenBSD: sigsuspend.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: sigsuspend.S,v 1.1 2001/06/19 00:25:07 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)sigsuspend.s	5.2 (Berkeley) 12/17/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+SYSENTRY(sigsuspend)
+	movl	(%rdi),%edi		# indirect to mask arg
+	SYSTRAP(sigsuspend)
+	jc	err
+	xorl	%eax,%eax		# shouldn t happen
+	ret
+err:
+#ifdef PIC
+	movq	PIC_GOT(CERROR), %rcx
+	jmp	*%rcx
+#else
+	jmp	CERROR
+#endif
diff --git a/lib/libc/arch/x86_64/sys/syscall.S b/lib/libc/arch/x86_64/sys/syscall.S
new file mode 100644
index 00000000000..19b798dbc92
--- /dev/null
+++ b/lib/libc/arch/x86_64/sys/syscall.S
@@ -0,0 +1,57 @@
+/*	$OpenBSD: syscall.S,v 1.1 2004/01/28 01:44:45 mickey Exp $	*/
+/*	$NetBSD: syscall.S,v 1.2 2002/06/03 18:30:33 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	from: @(#)syscall.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+
+#include "SYS.h"
+
+SYSENTRY(syscall)
+	movl	%edi,%eax
+	syscall
+	jc	err
+	ret
+err:
+#ifdef PIC
+	movq	PIC_GOT(CERROR), %rcx
+	jmp	*%rcx
+#else
+	jmp	CERROR
+#endif