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-rw-r--r--lib/libc/amd64/SYS.h73
-rw-r--r--lib/libc/amd64/gen/Makefile.inc6
-rw-r--r--lib/libc/amd64/gen/_setjmp.S84
-rw-r--r--lib/libc/amd64/gen/frexp.c67
-rw-r--r--lib/libc/amd64/gen/infinity.c9
-rw-r--r--lib/libc/amd64/gen/isinf.c66
-rw-r--r--lib/libc/amd64/gen/ldexp.c74
-rw-r--r--lib/libc/amd64/gen/setjmp.S93
-rw-r--r--lib/libc/amd64/gen/sigsetjmp.S105
-rw-r--r--lib/libc/amd64/net/Makefile.inc4
-rw-r--r--lib/libc/amd64/net/htonl.S53
-rw-r--r--lib/libc/amd64/net/htons.S51
-rw-r--r--lib/libc/amd64/net/ntohl.S53
-rw-r--r--lib/libc/amd64/net/ntohs.S51
-rw-r--r--lib/libc/amd64/sys/Makefile.inc10
-rw-r--r--lib/libc/amd64/sys/brk.S92
-rw-r--r--lib/libc/amd64/sys/cerror.S58
-rw-r--r--lib/libc/amd64/sys/exect.S55
-rw-r--r--lib/libc/amd64/sys/pipe.S51
-rw-r--r--lib/libc/amd64/sys/ptrace.S61
-rw-r--r--lib/libc/amd64/sys/reboot.S47
-rw-r--r--lib/libc/amd64/sys/sbrk.S90
-rw-r--r--lib/libc/amd64/sys/setlogin.S59
-rw-r--r--lib/libc/amd64/sys/sigreturn.S57
-rw-r--r--lib/libc/amd64/sys/vfork.S81
25 files changed, 1450 insertions, 0 deletions
diff --git a/lib/libc/amd64/SYS.h b/lib/libc/amd64/SYS.h
new file mode 100644
index 0000000..53837ab
--- /dev/null
+++ b/lib/libc/amd64/SYS.h
@@ -0,0 +1,73 @@
+/*-
+ * 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: @(#)SYS.h 5.5 (Berkeley) 5/7/91
+ *
+ * $Id: SYS.h,v 1.3 1993/11/04 00:01:17 paul Exp $
+ */
+
+#include <sys/syscall.h>
+#include "DEFS.h"
+
+#ifdef PIC
+#define PIC_PROLOGUE \
+ pushl %ebx; \
+ call 1f; \
+1: \
+ popl %ebx; \
+ addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
+#define PIC_EPILOGUE \
+ popl %ebx
+#define PIC_PLT(x) x@PLT
+#define PIC_GOT(x) x@GOT(%ebx)
+#define PIC_GOTOFF(x) x@GOTOFF(%ebx)
+#else
+#define PIC_PROLOGUE
+#define PIC_EPILOGUE
+#define PIC_PLT(x) x
+#define PIC_GOT(x) x
+#define PIC_GOTOFF(x) x
+#endif
+
+#define SYSCALL(x) 2: jmp cerror; ENTRY(x); lea SYS_/**/x,%eax; LCALL(7,0); jb 2b
+#define RSYSCALL(x) SYSCALL(x); ret
+#define PSEUDO(x,y) ENTRY(x); lea SYS_/**/y, %eax; ; LCALL(7,0); ret
+#define CALL(x,y) call _/**/y; addl $4*x,%esp
+/* gas fucks up offset -- although we don't currently need it, do for BCS */
+#define LCALL(x,y) .byte 0x9a ; .long y; .word x
+
+#define ASMSTR .asciz
+
+ .globl cerror
diff --git a/lib/libc/amd64/gen/Makefile.inc b/lib/libc/amd64/gen/Makefile.inc
new file mode 100644
index 0000000..9d69152
--- /dev/null
+++ b/lib/libc/amd64/gen/Makefile.inc
@@ -0,0 +1,6 @@
+# @(#)Makefile.inc 8.1 (Berkeley) 6/4/93
+# $Id$
+
+SRCS+= isinf.c infinity.c
+SRCS+= _setjmp.S alloca.S fabs.S ldexp.c modf.S setjmp.S sigsetjmp.S
+SRCS+= divsi3.S fixdfsi.S fixunsdfsi.S udivsi3.S
diff --git a/lib/libc/amd64/gen/_setjmp.S b/lib/libc/amd64/gen/_setjmp.S
new file mode 100644
index 0000000..abd2684
--- /dev/null
+++ b/lib/libc/amd64/gen/_setjmp.S
@@ -0,0 +1,84 @@
+/*-
+ * 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.
+ *
+ * $Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+ .text
+ .asciz "$Id$"
+#endif /* LIBC_RCS and not lint */
+
+/*
+ * C library -- _setjmp, _longjmp
+ *
+ * _longjmp(a,v)
+ * will generate a "return(v)" from the last call to
+ * _setjmp(a)
+ * by restoring registers from the environment 'a'.
+ * The previous signal state is NOT restored.
+ */
+
+#include "DEFS.h"
+
+ENTRY(_setjmp)
+ movl 4(%esp),%eax
+ movl 0(%esp),%edx
+ movl %edx, 0(%eax) /* rta */
+ movl %ebx, 4(%eax)
+ movl %esp, 8(%eax)
+ movl %ebp,12(%eax)
+ movl %esi,16(%eax)
+ movl %edi,20(%eax)
+ fnstcw 28(%eax)
+ xorl %eax,%eax
+ ret
+
+ENTRY(_longjmp)
+ movl 4(%esp),%edx
+ movl 8(%esp),%eax
+ movl 0(%edx),%ecx
+ movl 4(%edx),%ebx
+ movl 8(%edx),%esp
+ movl 12(%edx),%ebp
+ movl 16(%edx),%esi
+ movl 20(%edx),%edi
+ fninit
+ fldcw 28(%edx)
+ testl %eax,%eax
+ jnz 1f
+ incl %eax
+1: movl %ecx,0(%esp)
+ ret
diff --git a/lib/libc/amd64/gen/frexp.c b/lib/libc/amd64/gen/frexp.c
new file mode 100644
index 0000000..aba4802
--- /dev/null
+++ b/lib/libc/amd64/gen/frexp.c
@@ -0,0 +1,67 @@
+/*-
+ * Copyright (c) 1991, 1993
+ * The Regents of the University of California. 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.
+ * 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.
+ *
+ * $Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+static const char rcsid[] = "$Id$";
+#endif /* LIBC_RCS and not lint */
+
+#include <sys/types.h>
+#include <math.h>
+
+double
+frexp(value, eptr)
+ double value;
+ int *eptr;
+{
+ union {
+ double v;
+ struct {
+ u_int u_mant2 : 32;
+ u_int u_mant1 : 20;
+ u_int u_exp : 11;
+ u_int u_sign : 1;
+ } s;
+ } u;
+
+ if (value) {
+ u.v = value;
+ *eptr = u.s.u_exp - 1022;
+ u.s.u_exp = 1022;
+ return(u.v);
+ } else {
+ *eptr = 0;
+ return((double)0);
+ }
+}
diff --git a/lib/libc/amd64/gen/infinity.c b/lib/libc/amd64/gen/infinity.c
new file mode 100644
index 0000000..e46f676
--- /dev/null
+++ b/lib/libc/amd64/gen/infinity.c
@@ -0,0 +1,9 @@
+/*
+ * infinity.c
+ * $Id$
+ */
+
+#include <math.h>
+
+/* bytes for +Infinity on a 387 */
+char __infinity[] = { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f };
diff --git a/lib/libc/amd64/gen/isinf.c b/lib/libc/amd64/gen/isinf.c
new file mode 100644
index 0000000..c328449
--- /dev/null
+++ b/lib/libc/amd64/gen/isinf.c
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 1991, 1993
+ * The Regents of the University of California. 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.
+ * 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.
+ *
+ * $Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+static const char rcsid[] = "$Id$";
+#endif /* LIBC_RCS and not lint */
+
+#include <sys/types.h>
+
+isnan(d)
+ double d;
+{
+ register struct IEEEdp {
+ u_int manl : 32;
+ u_int manh : 20;
+ u_int exp : 11;
+ u_int sign : 1;
+ } *p = (struct IEEEdp *)&d;
+
+ return(p->exp == 2047 && (p->manh || p->manl));
+}
+
+isinf(d)
+ double d;
+{
+ register struct IEEEdp {
+ u_int manl : 32;
+ u_int manh : 20;
+ u_int exp : 11;
+ u_int sign : 1;
+ } *p = (struct IEEEdp *)&d;
+
+ return(p->exp == 2047 && !p->manh && !p->manl);
+}
diff --git a/lib/libc/amd64/gen/ldexp.c b/lib/libc/amd64/gen/ldexp.c
new file mode 100644
index 0000000..8b63f52
--- /dev/null
+++ b/lib/libc/amd64/gen/ldexp.c
@@ -0,0 +1,74 @@
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Sean Eric Fagan.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+static const char rcsid[] = "$Id$";
+#endif /* LIBC_RCS and not lint */
+
+/*
+ * ldexp(value, exp): return value * (2 ** exp).
+ *
+ * Written by Sean Eric Fagan (sef@kithrup.COM)
+ * Sun Mar 11 20:27:09 PST 1990
+ */
+
+/*
+ * We do the conversion in C to let gcc optimize it away, if possible.
+ * The "fxch ; fstp" stuff is because value is still on the stack
+ * (stupid 8087!).
+ */
+double
+ldexp (double value, int exp)
+{
+ double temp, texp, temp2;
+ texp = exp;
+#ifdef __GNUC__
+#if __GNUC__ >= 2
+ asm ("fscale "
+ : "=u" (temp2), "=t" (temp)
+ : "0" (texp), "1" (value));
+#else
+ asm ("fscale ; fxch %%st(1) ; fstp%L1 %1 "
+ : "=f" (temp), "=0" (temp2)
+ : "0" (texp), "f" (value));
+#endif
+#else
+error unknown asm
+#endif
+ return (temp);
+}
diff --git a/lib/libc/amd64/gen/setjmp.S b/lib/libc/amd64/gen/setjmp.S
new file mode 100644
index 0000000..fa52b83
--- /dev/null
+++ b/lib/libc/amd64/gen/setjmp.S
@@ -0,0 +1,93 @@
+/*-
+ * 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.
+ *
+ * $Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+ .text
+ .asciz "$Id$"
+#endif /* LIBC_RCS and not lint */
+
+/*
+ * C library -- _setjmp, _longjmp
+ *
+ * longjmp(a,v)
+ * will generate a "return(v)" from the last call to
+ * setjmp(a)
+ * by restoring registers from the environment 'a'.
+ * The previous signal state is restored.
+ */
+
+#include "DEFS.h"
+#include "SYS.h"
+
+ENTRY(setjmp)
+ pushl $0
+ call PIC_PLT(_sigblock)
+ popl %edx
+ movl 4(%esp),%ecx
+ movl 0(%esp),%edx
+ movl %edx, 0(%ecx)
+ movl %ebx, 4(%ecx)
+ movl %esp, 8(%ecx)
+ movl %ebp,12(%ecx)
+ movl %esi,16(%ecx)
+ movl %edi,20(%ecx)
+ movl %eax,24(%ecx)
+ fnstcw 28(%ecx)
+ xorl %eax,%eax
+ ret
+
+ENTRY(longjmp)
+ movl 4(%esp),%edx
+ pushl 24(%edx)
+ call PIC_PLT(_sigsetmask) /* XXX this is not reentrant */
+ popl %eax
+ movl 4(%esp),%edx
+ movl 8(%esp),%eax
+ movl 0(%edx),%ecx
+ movl 4(%edx),%ebx
+ movl 8(%edx),%esp
+ movl 12(%edx),%ebp
+ movl 16(%edx),%esi
+ movl 20(%edx),%edi
+ fninit
+ fldcw 28(%edx)
+ testl %eax,%eax
+ jnz 1f
+ incl %eax
+1: movl %ecx,0(%esp)
+ ret
diff --git a/lib/libc/amd64/gen/sigsetjmp.S b/lib/libc/amd64/gen/sigsetjmp.S
new file mode 100644
index 0000000..4f592a3
--- /dev/null
+++ b/lib/libc/amd64/gen/sigsetjmp.S
@@ -0,0 +1,105 @@
+/*-
+ * 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: sigsetjmp.S,v 1.3 1994/12/27 13:34:04 bde Exp $
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+ .text
+ .asciz "$Id: sigsetjmp.S,v 1.3 1994/12/27 13:34:04 bde Exp $"
+#endif /* LIBC_RCS and not lint */
+
+#include "DEFS.h"
+#include "SYS.h"
+
+/*-
+ * TODO:
+ * Rename sigsetjmp to __sigsetjmp and siglongjmp to __siglongjmp,
+ * remove the other *jmp functions and define everything in terms
+ * of the renamed functions. This requires compiler support for
+ * the renamed functions (introduced in gcc-2.5.3; previous versions
+ * only supported *jmp with 0 or 1 leading underscores).
+ *
+ * Use sigprocmask() instead of sigblock() and sigsetmask(), and
+ * check for and handle errors.
+ *
+ * Restore _all_ the registers and the signal mask atomically. Can
+ * use sigreturn() if sigreturn() works.
+ */
+
+ENTRY(sigsetjmp)
+ movl 8(%esp),%eax
+ movl 4(%esp),%ecx
+ movl %eax,32(%ecx)
+ testl %eax,%eax
+ jz 1f
+ pushl $0
+ call PIC_PLT(_sigblock)
+ addl $4,%esp
+ movl 4(%esp),%ecx
+ movl %eax,24(%ecx)
+1: movl 0(%esp),%edx
+ movl %edx, 0(%ecx)
+ movl %ebx, 4(%ecx)
+ movl %esp, 8(%ecx)
+ movl %ebp,12(%ecx)
+ movl %esi,16(%ecx)
+ movl %edi,20(%ecx)
+ fnstcw 28(%ecx)
+ xorl %eax,%eax
+ ret
+
+ENTRY(siglongjmp)
+ movl 4(%esp),%edx
+ cmpl $0,32(%edx)
+ jz 1f
+ pushl 24(%edx)
+ call PIC_PLT(_sigsetmask)
+ addl $4,%esp
+1: movl 4(%esp),%edx
+ movl 8(%esp),%eax
+ movl 0(%edx),%ecx
+ movl 4(%edx),%ebx
+ movl 8(%edx),%esp
+ movl 12(%edx),%ebp
+ movl 16(%edx),%esi
+ movl 20(%edx),%edi
+ fninit
+ fldcw 28(%edx)
+ testl %eax,%eax
+ jnz 2f
+ incl %eax
+2: movl %ecx,0(%esp)
+ ret
diff --git a/lib/libc/amd64/net/Makefile.inc b/lib/libc/amd64/net/Makefile.inc
new file mode 100644
index 0000000..dff7fd1
--- /dev/null
+++ b/lib/libc/amd64/net/Makefile.inc
@@ -0,0 +1,4 @@
+# @(#)Makefile.inc 8.1 (Berkeley) 6/4/93
+# $Id$
+
+SRCS+= htonl.S htons.S ntohl.S ntohs.S
diff --git a/lib/libc/amd64/net/htonl.S b/lib/libc/amd64/net/htonl.S
new file mode 100644
index 0000000..095c40a
--- /dev/null
+++ b/lib/libc/amd64/net/htonl.S
@@ -0,0 +1,53 @@
+/*-
+ * 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.
+ *
+ * $Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+ .text
+ .asciz "$Id$"
+#endif /* LIBC_RCS and not lint */
+
+/* netorder = htonl(hostorder) */
+
+#include "DEFS.h"
+
+ENTRY(htonl)
+ movl 4(%esp),%eax
+ xchgb %al,%ah
+ roll $16,%eax
+ xchgb %al,%ah
+ ret
diff --git a/lib/libc/amd64/net/htons.S b/lib/libc/amd64/net/htons.S
new file mode 100644
index 0000000..238dfc2
--- /dev/null
+++ b/lib/libc/amd64/net/htons.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.
+ *
+ * $Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+ .text
+ .asciz "$Id$"
+#endif /* LIBC_RCS and not lint */
+
+/* netorder = htons(hostorder) */
+
+#include "DEFS.h"
+
+ENTRY(htons)
+ movzwl 4(%esp),%eax
+ xchgb %al,%ah
+ ret
diff --git a/lib/libc/amd64/net/ntohl.S b/lib/libc/amd64/net/ntohl.S
new file mode 100644
index 0000000..5af5008
--- /dev/null
+++ b/lib/libc/amd64/net/ntohl.S
@@ -0,0 +1,53 @@
+/*-
+ * 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.
+ *
+ * $Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+ .text
+ .asciz "$Id$"
+#endif /* LIBC_RCS and not lint */
+
+/* hostorder = ntohl(netorder) */
+
+#include "DEFS.h"
+
+ENTRY(ntohl)
+ movl 4(%esp),%eax
+ xchgb %al,%ah
+ roll $16,%eax
+ xchgb %al,%ah
+ ret
diff --git a/lib/libc/amd64/net/ntohs.S b/lib/libc/amd64/net/ntohs.S
new file mode 100644
index 0000000..4bed4a2
--- /dev/null
+++ b/lib/libc/amd64/net/ntohs.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.
+ *
+ * $Id$
+ */
+
+#if defined(LIBC_RCS) && !defined(lint)
+ .text
+ .asciz "$Id$"
+#endif /* LIBC_RCS and not lint */
+
+/* hostorder = ntohs(netorder) */
+
+#include "DEFS.h"
+
+ENTRY(ntohs)
+ movzwl 4(%esp),%eax
+ xchgb %al,%ah
+ ret
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
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