11 files changed, 661 insertions, 0 deletions
diff --git a/lib/libc/amd64/sys/Makefile.inc b/lib/libc/amd64/sys/Makefile.inc
new file mode 100644
index 0000000..6774dd3
--- /dev/null
+++ b/lib/libc/amd64/sys/Makefile.inc
@@ -0,0 +1,10 @@
+#	from: Makefile.inc,v 1.1 1993/09/03 19:04:23 jtc Exp
+#	$Id$
+
+.PATH:	${.CURDIR}/${MACHINE}/sys
+
+SRCS+=	i386_get_ldt.c i386_set_ldt.c
+
+MAN2+=	i386/sys/i386_get_ldt.2
+
+MLINKS+=i386_get_ldt.2 i386_set_ldt.2
diff --git a/lib/libc/amd64/sys/brk.S b/lib/libc/amd64/sys/brk.S
new file mode 100644
index 0000000..c8311bb
--- /dev/null
+++ b/lib/libc/amd64/sys/brk.S
@@ -0,0 +1,92 @@
+/*-
+ * 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.
+ *
+ *	$Id: brk.S,v 1.1 1994/08/05 01:18:39 wollman Exp $
+ */
+
+#if defined(SYSLIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* SYSLIBC_RCS and not lint */
+
+#include "SYS.h"
+
+#define	SYS_brk		17
+
+	.globl	curbrk
+	.globl	minbrk
+ENTRY(_brk)
+	jmp	ok
+
+ENTRY(brk)
+#ifdef PIC
+	movl	4(%esp),%eax
+	PIC_PROLOGUE
+	movl	PIC_GOT(curbrk),%edx	# set up GOT addressing
+	movl	PIC_GOT(minbrk),%ecx	#
+	cmpl	%eax,(%ecx)
+	PIC_EPILOGUE
+	jl	ok
+	movl	(%ecx),%eax
+	movl	%eax,4(%esp)
+ok:
+	lea	SYS_brk,%eax
+	LCALL(7,0)
+	jb	err
+	movl	4(%esp),%eax
+	movl	%eax,(%edx)
+	movl	$0,%eax
+	ret
+err:
+	jmp	PIC_PLT(cerror)
+
+#else
+
+	movl	4(%esp),%eax
+	cmpl	%eax,minbrk
+	jl	ok
+	movl	minbrk,%eax
+	movl	%eax,4(%esp)
+ok:
+	lea	SYS_brk,%eax
+	LCALL(7,0)
+	jb	err
+	movl	4(%esp),%eax
+	movl	%eax,curbrk
+	movl	$0,%eax
+	ret
+err:
+	jmp	cerror
+#endif
diff --git a/lib/libc/amd64/sys/cerror.S b/lib/libc/amd64/sys/cerror.S
new file mode 100644
index 0000000..875f6db
--- /dev/null
+++ b/lib/libc/amd64/sys/cerror.S
@@ -0,0 +1,58 @@
+/*-
+ * 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.
+ *
+ *	$Id: cerror.S,v 1.2 1994/08/13 14:00:26 davidg Exp $
+ */
+
+#if defined(SYSLIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* SYSLIBC_RCS and not lint */
+
+#include "SYS.h"
+
+	.globl	_errno
+cerror:
+#ifdef PIC
+	PIC_PROLOGUE
+	movl	PIC_GOT(_errno),%ecx
+	movl	%eax,(%ecx)
+	PIC_EPILOGUE
+#else
+	movl	%eax,_errno
+#endif
+	movl	$-1,%eax
+	movl	$-1,%edx
+	ret
diff --git a/lib/libc/amd64/sys/exect.S b/lib/libc/amd64/sys/exect.S
new file mode 100644
index 0000000..74a055b
--- /dev/null
+++ b/lib/libc/amd64/sys/exect.S
@@ -0,0 +1,55 @@
+/*-
+ * 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.
+ *
+ *	$Id: exect.S,v 1.1 1994/08/05 01:18:42 wollman Exp $
+ */
+
+#if defined(SYSLIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* SYSLIBC_RCS and not lint */
+
+#include "SYS.h"
+#include <machine/psl.h>
+
+ENTRY(exect)
+	lea	SYS_execve,%eax
+	pushf
+	popl	%edx
+	orl	$ PSL_T,%edx
+	pushl	%edx
+	popf
+	LCALL(7,0)
+	jmp	cerror		/* exect(file, argv, env); */
diff --git a/lib/libc/amd64/sys/pipe.S b/lib/libc/amd64/sys/pipe.S
new file mode 100644
index 0000000..cf3264c
--- /dev/null
+++ b/lib/libc/amd64/sys/pipe.S
@@ -0,0 +1,51 @@
+/*-
+ * 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.
+ *
+ *	$Id: pipe.S,v 1.1 1994/08/05 01:18:46 wollman Exp $
+ */
+
+#if defined(SYSLIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* SYSLIBC_RCS and not lint */
+
+#include "SYS.h"
+
+SYSCALL(pipe)
+	movl	4(%esp),%ecx
+	movl	%eax,(%ecx)
+	movl	%edx,4(%ecx)
+	movl	$0,%eax
+	ret
diff --git a/lib/libc/amd64/sys/ptrace.S b/lib/libc/amd64/sys/ptrace.S
new file mode 100644
index 0000000..e3ac3a5
--- /dev/null
+++ b/lib/libc/amd64/sys/ptrace.S
@@ -0,0 +1,61 @@
+/*-
+ * 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.
+ *
+ *	$Id: ptrace.S,v 1.1 1994/08/05 01:18:47 wollman Exp $
+ */
+
+#if defined(SYSLIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* SYSLIBC_RCS and not lint */
+
+#include "SYS.h"
+
+ENTRY(ptrace)
+	xorl	%eax,%eax
+#ifdef PIC
+        PIC_PROLOGUE
+        movl    PIC_GOT(_errno),%edx
+        movl    %eax,(%edx)
+        PIC_EPILOGUE
+#else
+        movl    %eax,_errno
+#endif
+	lea	SYS_ptrace,%eax
+	LCALL(7,0)
+	jb	err
+	ret
+err:
+	jmp	cerror
diff --git a/lib/libc/amd64/sys/reboot.S b/lib/libc/amd64/sys/reboot.S
new file mode 100644
index 0000000..f90cca0
--- /dev/null
+++ b/lib/libc/amd64/sys/reboot.S
@@ -0,0 +1,47 @@
+/*-
+ * 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.
+ *
+ *	$Id: reboot.S,v 1.1 1994/08/05 01:18:48 wollman Exp $
+ */
+
+#if defined(SYSLIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* SYSLIBC_RCS and not lint */
+
+#include "SYS.h"
+
+SYSCALL(reboot)
+	iret
diff --git a/lib/libc/amd64/sys/sbrk.S b/lib/libc/amd64/sys/sbrk.S
new file mode 100644
index 0000000..b0324ae
--- /dev/null
+++ b/lib/libc/amd64/sys/sbrk.S
@@ -0,0 +1,90 @@
+/*-
+ * 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.
+ *
+ *	$Id: sbrk.S,v 1.1 1994/08/05 01:18:49 wollman Exp $
+ */
+
+#if defined(SYSLIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* SYSLIBC_RCS and not lint */
+
+#include "SYS.h"
+
+#define	SYS_brk		17
+
+	.globl	_end
+	.globl	minbrk
+	.globl	curbrk
+
+	.data
+minbrk:	.long	_end
+curbrk:	.long	_end
+	.text
+
+ENTRY(sbrk)
+#ifdef PIC
+	movl	4(%esp),%ecx
+	PIC_PROLOGUE
+	movl	PIC_GOT(curbrk),%edx
+	movl	(%edx),%eax
+	PIC_EPILOGUE
+	addl	%eax,4(%esp)
+	lea	SYS_brk,%eax
+	LCALL(7,0)
+	jb	err
+	PIC_PROLOGUE
+	movl	PIC_GOT(curbrk),%edx
+	movl	(%edx),%eax
+	addl	%ecx,(%edx)
+	PIC_EPILOGUE
+	ret
+err:
+	jmp	PIC_PLT(cerror)
+
+#else
+
+	movl	4(%esp),%ecx
+	movl	curbrk,%eax
+	addl	%eax,4(%esp)
+	lea	SYS_brk,%eax
+	LCALL(7,0)
+	jb	err
+	movl	curbrk,%eax
+	addl	%ecx,curbrk
+	ret
+err:
+	jmp	cerror
+#endif
diff --git a/lib/libc/amd64/sys/setlogin.S b/lib/libc/amd64/sys/setlogin.S
new file mode 100644
index 0000000..96c7886
--- /dev/null
+++ b/lib/libc/amd64/sys/setlogin.S
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 1991 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.
+ *
+ *	$Id: setlogin.S,v 1.1 1994/08/05 01:18:50 wollman Exp $
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* LIBC_RCS and not lint */
+
+#include "SYS.h"
+
+.globl	__logname_valid		/* in getlogin() */
+
+SYSCALL(setlogin)
+#ifdef PIC
+	PIC_PROLOGUE
+	pushl	%eax
+	movl	PIC_GOT(__logname_valid),%eax
+	movl	$0,(%eax)
+	popl	%eax
+	PIC_EPILOGUE
+#else
+	movl	$0,__logname_valid
+#endif
+	ret				/* setlogin(name) */
diff --git a/lib/libc/amd64/sys/sigreturn.S b/lib/libc/amd64/sys/sigreturn.S
new file mode 100644
index 0000000..ac0ffd6
--- /dev/null
+++ b/lib/libc/amd64/sys/sigreturn.S
@@ -0,0 +1,57 @@
+/*-
+ * 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.
+ *
+ *	$Id: sigreturn.S,v 1.1 1994/08/05 01:18:53 wollman Exp $
+ */
+
+#if defined(SYSLIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* SYSLIBC_RCS and not lint */
+
+#include "SYS.h"
+
+/*
+ * We must preserve the state of the registers as the user has set them up.
+ */
+#ifdef PROF
+#undef ENTRY
+#define	ENTRY(x) \
+	.globl _/**/x; .align 2; _/**/x:  pusha ; \
+	.data; 1:; .long 0; .text; movl $1b,%eax; call mcount; popa ; nop
+#endif /* PROF */
+
+SYSCALL(sigreturn)
+	ret
diff --git a/lib/libc/amd64/sys/vfork.S b/lib/libc/amd64/sys/vfork.S
new file mode 100644
index 0000000..06e3eb6
--- /dev/null
+++ b/lib/libc/amd64/sys/vfork.S
@@ -0,0 +1,81 @@
+/*-
+ * 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.
+ *
+ *	$Id: Ovfork.S,v 1.1 1994/08/05 01:18:38 wollman Exp $
+ */
+
+#if defined(SYSLIBC_RCS) && !defined(lint)
+	.text
+	.asciz "$Id$"
+#endif /* SYSLIBC_RCS and not lint */
+
+#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.
+ *
+ */
+	.set	vfork,66
+.globl	_vfork
+.type	_vfork,@function
+
+_vfork:
+	popl	%ecx		/* my rta into ecx */
+	movl	$vfork, %eax
+	LCALL(7,0)
+	jb	verror
+vforkok:
+	cmpl	$0,%edx		/* child process? */
+	jne	child		/* yes */
+	jmp 	parent 
+.globl	_errno
+verror:
+#ifdef PIC
+	PIC_PROLOGUE
+	movl	PIC_GOT(_errno), %edx
+	movl	%eax,(%edx)
+	PIC_EPILOGUE
+#else
+	movl	%eax,_errno
+#endif
+	movl	$-1,%eax
+	jmp	%ecx
+child:
+	movl	$0,%eax
+parent:
+	jmp	%ecx