Index: head/sys/kern/makesyscalls.sh
===================================================================
--- head/sys/kern/makesyscalls.sh	(revision 363594)
+++ head/sys/kern/makesyscalls.sh	(revision 363595)
@@ -1,802 +1,804 @@
 #! /bin/sh -
 #	@(#)makesyscalls.sh	8.1 (Berkeley) 6/10/93
 # $FreeBSD$
 
 set -e
 
 # name of compat options:
 compat=COMPAT_43
 compat4=COMPAT_FREEBSD4
 compat6=COMPAT_FREEBSD6
 compat7=COMPAT_FREEBSD7
 compat10=COMPAT_FREEBSD10
 compat11=COMPAT_FREEBSD11
 compat12=COMPAT_FREEBSD12
 
 # output files:
 sysnames="syscalls.c"
 sysproto="../sys/sysproto.h"
 sysproto_h=_SYS_SYSPROTO_H_
 syshdr="../sys/syscall.h"
 sysmk="../sys/syscall.mk"
 syssw="init_sysent.c"
 syscallprefix="SYS_"
 switchname="sysent"
 namesname="syscallnames"
 systrace="systrace_args.c"
 
 # tmp files:
 sysaue="sysent.aue.$$"
 sysdcl="sysent.dcl.$$"
 syscompat="sysent.compat.$$"
 syscompatdcl="sysent.compatdcl.$$"
 syscompat4="sysent.compat4.$$"
 syscompat4dcl="sysent.compat4dcl.$$"
 syscompat6="sysent.compat6.$$"
 syscompat6dcl="sysent.compat6dcl.$$"
 syscompat7="sysent.compat7.$$"
 syscompat7dcl="sysent.compat7dcl.$$"
 syscompat10="sysent.compat10.$$"
 syscompat10dcl="sysent.compat10dcl.$$"
 syscompat11="sysent.compat11.$$"
 syscompat11dcl="sysent.compat11dcl.$$"
 syscompat12="sysent.compat12.$$"
 syscompat12dcl="sysent.compat12dcl.$$"
 sysent="sysent.switch.$$"
 sysinc="sysinc.switch.$$"
 sysarg="sysarg.switch.$$"
 sysprotoend="sysprotoend.$$"
 systracetmp="systrace.$$"
 systraceret="systraceret.$$"
 capabilities_conf="capabilities.conf"
 
 trap "rm $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $syscompat10 $syscompat10dcl $syscompat11 $syscompat11dcl $syscompat12 $syscompat12dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret" 0
 
 touch $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $syscompat10 $syscompat10dcl $syscompat11 $syscompat11dcl $syscompat12 $syscompat12dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret
 
 case $# in
     0)	echo "usage: $0 input-file <config-file>" 1>&2
 	exit 1
 	;;
 esac
 
+1>&2 echo "$0: This script is deprecated and will be removed before FreeBSD 13."
+
 if [ -n "$2" ]; then
 	. "$2"
 fi
 
 if [ -n "$capenabled" ]; then
 	# do nothing
 elif [ -r $capabilities_conf ]; then
 	capenabled=`egrep -v '^#|^$' $capabilities_conf`
 	capenabled=`echo $capenabled | sed 's/ /,/g'`
 else
 	capenabled=""
 fi
 
 sed -e '
 	# FreeBSD ID, includes, comments, and blank lines
 	/.*\$FreeBSD/b done_joining
 	/^[#;]/b done_joining
 	/^$/b done_joining
 
 	# Join lines ending in backslash
 :joining
 	/\\$/{a\
 
 	N
 	s/\\\n//
 	b joining
 	}
 
 	# OBSOL, etc lines without function signatures
 	/^[0-9][^{]*$/b done_joining
 
 	# Join incomplete signatures.  The { must appear on the first line
 	# and the } must appear on the last line (modulo lines joined by
 	# backslashes).
 	/^[^}]*$/{a\
 
 	N
 	s/\n//
 	b joining
 	}
 :done_joining
 2,${
 	/^#/!s/\([{}()*,]\)/ \1 /g
 }
 ' < $1 | awk "
 	BEGIN {
 		sysaue = \"$sysaue\"
 		sysdcl = \"$sysdcl\"
 		sysproto = \"$sysproto\"
 		sysprotoend = \"$sysprotoend\"
 		sysproto_h = \"$sysproto_h\"
 		syscompat = \"$syscompat\"
 		syscompatdcl = \"$syscompatdcl\"
 		syscompat4 = \"$syscompat4\"
 		syscompat4dcl = \"$syscompat4dcl\"
 		syscompat6 = \"$syscompat6\"
 		syscompat6dcl = \"$syscompat6dcl\"
 		syscompat7 = \"$syscompat7\"
 		syscompat7dcl = \"$syscompat7dcl\"
 		syscompat10 = \"$syscompat10\"
 		syscompat10dcl = \"$syscompat10dcl\"
 		syscompat11 = \"$syscompat11\"
 		syscompat11dcl = \"$syscompat11dcl\"
 		syscompat12 = \"$syscompat12\"
 		syscompat12dcl = \"$syscompat12dcl\"
 		sysent = \"$sysent\"
 		syssw = \"$syssw\"
 		sysinc = \"$sysinc\"
 		sysarg = \"$sysarg\"
 		sysnames = \"$sysnames\"
 		syshdr = \"$syshdr\"
 		sysmk = \"$sysmk\"
 		systrace = \"$systrace\"
 		systracetmp = \"$systracetmp\"
 		systraceret = \"$systraceret\"
 		compat = \"$compat\"
 		compat4 = \"$compat4\"
 		compat6 = \"$compat6\"
 		compat7 = \"$compat7\"
 		compat10 = \"$compat10\"
 		compat11 = \"$compat11\"
 		compat12 = \"$compat12\"
 		syscallprefix = \"$syscallprefix\"
 		switchname = \"$switchname\"
 		namesname = \"$namesname\"
 		infile = \"$1\"
 		abi_func_prefix = \"$abi_func_prefix\"
 		capenabled_string = \"$capenabled\"
 		"'
 
 		# Avoid a literal generated file tag here.
 		generated = "@" "generated";
 
 		split(capenabled_string, capenabled, ",");
 
 		printf "\n/* The casts are bogus but will do for now. */\n" > sysent
 		printf "struct sysent %s[] = {\n",switchname > sysent
 
 		printf "/*\n * System call switch table.\n *\n" > syssw
 		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > syssw
 		printf " * $%s$\n", "FreeBSD" > syssw
 		printf " */\n\n" > syssw
 
 		printf "/*\n * System call prototypes.\n *\n" > sysarg
 		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > sysarg
 		printf " * $%s$\n", "FreeBSD" > sysarg
 		printf " */\n\n" > sysarg
 		printf "#ifndef %s\n", sysproto_h > sysarg
 		printf "#define\t%s\n\n", sysproto_h > sysarg
 		printf "#include <sys/signal.h>\n" > sysarg
 		printf "#include <sys/acl.h>\n" > sysarg
 		printf "#include <sys/cpuset.h>\n" > sysarg
 		printf "#include <sys/domainset.h>\n" > sysarg
 		printf "#include <sys/_ffcounter.h>\n" > sysarg
 		printf "#include <sys/_semaphore.h>\n" > sysarg
 		printf "#include <sys/ucontext.h>\n" > sysarg
 		printf "#include <sys/wait.h>\n\n" > sysarg
 		printf "#include <bsm/audit_kevents.h>\n\n" > sysarg
 		printf "struct proc;\n\n" > sysarg
 		printf "struct thread;\n\n" > sysarg
 		printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
 		printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
 		printf "#if BYTE_ORDER == LITTLE_ENDIAN\n"> sysarg
 		printf "#define\tPADL_(t)\t0\n" > sysarg
 		printf "#define\tPADR_(t)\tPAD_(t)\n" > sysarg
 		printf "#else\n" > sysarg
 		printf "#define\tPADL_(t)\tPAD_(t)\n" > sysarg
 		printf "#define\tPADR_(t)\t0\n" > sysarg
 		printf "#endif\n\n" > sysarg
 
 		printf "\n#ifdef %s\n\n", compat > syscompat
 		printf "\n#ifdef %s\n\n", compat4 > syscompat4
 		printf "\n#ifdef %s\n\n", compat6 > syscompat6
 		printf "\n#ifdef %s\n\n", compat7 > syscompat7
 		printf "\n#ifdef %s\n\n", compat10 > syscompat10
 		printf "\n#ifdef %s\n\n", compat11 > syscompat11
 		printf "\n#ifdef %s\n\n", compat12 > syscompat12
 
 		printf "/*\n * System call names.\n *\n" > sysnames
 		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > sysnames
 		printf " * $%s$\n", "FreeBSD" > sysnames
 		printf " */\n\n" > sysnames
 		printf "const char *%s[] = {\n", namesname > sysnames
 
 		printf "/*\n * System call numbers.\n *\n" > syshdr
 		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > syshdr
 		printf " * $%s$\n", "FreeBSD" > syshdr
 		printf " */\n\n" > syshdr
 
 		printf "# FreeBSD system call object files.\n" > sysmk
 		printf "# DO NOT EDIT-- this file is automatically " generated ".\n" > sysmk
 		printf "# $%s$\n", "FreeBSD" > sysmk
 		printf "MIASM = " > sysmk
 
 		printf "/*\n * System call argument to DTrace register array converstion.\n *\n" > systrace
 		printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > systrace
 		printf " * $%s$\n", "FreeBSD" > systrace
 		printf " * This file is part of the DTrace syscall provider.\n */\n\n" > systrace
 		printf "static void\nsystrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)\n{\n" > systrace
 		printf "\tint64_t *iarg  = (int64_t *) uarg;\n" > systrace
 		printf "\tswitch (sysnum) {\n" > systrace
 
 		printf "static void\nsystrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systracetmp
 		printf "\tswitch (sysnum) {\n" > systracetmp
 
 		printf "static void\nsystrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systraceret
 		printf "\tswitch (sysnum) {\n" > systraceret
 	}
 	NR == 1 {
 		next
 	}
 	NF == 0 || $1 ~ /^;/ {
 		next
 	}
 	$1 ~ /^#[ 	]*include/ {
 		print > sysinc
 		next
 	}
 	$1 ~ /^#[ 	]*if/ {
 		print > sysent
 		print > sysdcl
 		print > sysarg
 		print > syscompat
 		print > syscompat4
 		print > syscompat6
 		print > syscompat7
 		print > syscompat10
 		print > syscompat11
 		print > syscompat12
 		print > sysnames
 		print > systrace
 		print > systracetmp
 		print > systraceret
 		savesyscall = syscall
 		next
 	}
 	$1 ~ /^#[ 	]*else/ {
 		print > sysent
 		print > sysdcl
 		print > sysarg
 		print > syscompat
 		print > syscompat4
 		print > syscompat6
 		print > syscompat7
 		print > syscompat10
 		print > syscompat11
 		print > syscompat12
 		print > sysnames
 		print > systrace
 		print > systracetmp
 		print > systraceret
 		syscall = savesyscall
 		next
 	}
 	$1 ~ /^#/ {
 		print > sysent
 		print > sysdcl
 		print > sysarg
 		print > syscompat
 		print > syscompat4
 		print > syscompat6
 		print > syscompat7
 		print > syscompat10
 		print > syscompat11
 		print > syscompat12
 		print > sysnames
 		print > systrace
 		print > systracetmp
 		print > systraceret
 		next
 	}
 	# Returns true if the type "name" is the first flag in the type field
 	function type(name, flags, n) {
 		n = split($3, flags, /\|/)
 		return (n > 0 && flags[1] == name)
 	}
 	# Returns true if the flag "name" is set in the type field
 	function flag(name, flags, i, n) {
 		n = split($3, flags, /\|/)
 		for (i = 1; i <= n; i++)
 			if (flags[i] == name)
 				return 1
 		return 0
 	}
 	{
 		n = split($1, syscall_range, /-/)
 		if (n == 1) {
 			syscall_range[2] = syscall_range[1]
 		} else if (n == 2) {
 			if (!type("UNIMPL")) {
 				printf "%s: line %d: range permitted only with UNIMPL\n",
 				    infile, NR
 				exit 1
 			}
 		} else {
 			printf "%s: line %d: invalid syscall number or range %s\n",
 			    infile, NR, $1
 			exit 1
 		}
 	}
 	syscall != syscall_range[1] {
 		printf "%s: line %d: syscall number out of sync at %d\n",
 		    infile, NR, syscall
 		printf "line is:\n"
 		print
 		exit 1
 	}
 	function align_sysent_comment(column) {
 		printf("\t") > sysent
 		column = column + 8 - column % 8
 		while (column < 56) {
 			printf("\t") > sysent
 			column = column + 8
 		}
 	}
 	function parserr(was, wanted) {
 		printf "%s: line %d: unexpected %s (expected %s)\n",
 		    infile, NR, was, wanted
 		exit 1
 	}
 	function parseline() {
 		f=4			# toss number, type, audit event
 		ret_inc = 0
 		argc= 0;
 		argssize = "0"
 		thr_flag = "SY_THR_STATIC"
 		if (flag("NOTSTATIC")) {
 			thr_flag = "SY_THR_ABSENT"
 		}
 		if ($NF != "}") {
 			funcalias=$(NF-2)
 			argalias=$(NF-1)
 			rettype=$NF
 			end=NF-3
 		} else {
 			funcalias=""
 			argalias=""
 			rettype="int"
 			if ($(f+2) == "*") {
 				ret_inc = 1
 			}
 			end=NF
 		}
 		if (flag("NODEF")) {
 			auditev="AUE_NULL"
 			funcname=$(4 + ret_inc)
 			argssize = "AS(" $(6 + ret_inc) ")"
 			return
 		}
 		if ($f != "{")
 			parserr($f, "{")
 		f++
 		if ($end != "}")
 			parserr($end, "}")
 		end--
 		if ($end != ";")
 			parserr($end, ";")
 		end--
 		if ($end != ")")
 			parserr($end, ")")
 		end--
 
 		syscallret=$f
 		f++
 		while (ret_inc > 0) {
 			syscallret=syscallret " " $f
 			f++
 			ret_inc--
 		}
 
 		funcname=$f
 
 		#
 		# We now know the func name, so define a flags field for it.
 		# Do this before any other processing as we may return early
 		# from it.
 		#
 		for (cap in capenabled) {
 			if (funcname == capenabled[cap] ||
 			    funcname == abi_func_prefix capenabled[cap]) {
 				flags = "SYF_CAPENABLED";
 				break;
 			}
 		}
 
 		if (funcalias == "")
 			funcalias = funcname
 		if (argalias == "") {
 			argalias = funcname "_args"
 			if (flag("COMPAT"))
 				argalias = "o" argalias
 			if (flag("COMPAT4"))
 				argalias = "freebsd4_" argalias
 			if (flag("COMPAT6"))
 				argalias = "freebsd6_" argalias
 			if (flag("COMPAT7"))
 				argalias = "freebsd7_" argalias
 			if (flag("COMPAT10"))
 				argalias = "freebsd10_" argalias
 			if (flag("COMPAT11"))
 				argalias = "freebsd11_" argalias
 			if (flag("COMPAT12"))
 				argalias = "freebsd12_" argalias
 		}
 		f++
 
 		if ($f != "(")
 			parserr($f, ")")
 		f++
 
 		if (f == end) {
 			if ($f != "void")
 				parserr($f, "argument definition")
 			return
 		}
 
 		while (f <= end) {
 			argc++
 			argtype[argc]=""
 			oldf=""
 			while (f < end && $(f+1) != ",") {
 				if (argtype[argc] != "" && oldf != "*")
 					argtype[argc] = argtype[argc]" ";
 				argtype[argc] = argtype[argc]$f;
 				oldf = $f;
 				f++
 			}
 			if (argtype[argc] == "")
 				parserr($f, "argument definition")
 
 			# The parser adds space around parens.
 			# Remove it from annotations.
 			gsub(/ \( /, "(", argtype[argc]);
 			gsub(/ \)/, ")", argtype[argc]);
 
 			#remove annotations
 			gsub(/_In[^ ]*[_)] /, "", argtype[argc]);
 			gsub(/_Out[^ ]*[_)] /, "", argtype[argc]);
 
 			argname[argc]=$f;
 			f += 2;			# skip name, and any comma
 		}
 		if (argc != 0)
 			argssize = "AS(" argalias ")"
 	}
 	{	comment = $4
 		if (NF < 7)
 			for (i = 5; i <= NF; i++)
 				comment = comment " " $i
 	}
 
 	#
 	# The AUE_ audit event identifier.
 	#
 	{
 		auditev = $2;
 	}
 
 	#
 	# The flags, if any.
 	#
 	{
 		flags = "0";
 	}
 
 	type("STD") || type("NODEF") || type("NOARGS") || type("NOPROTO") \
 	    || type("NOSTD") {
 		parseline()
 		printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall) > systrace
 		printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systracetmp
 		printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systraceret
 		if (argc > 0) {
 			printf("\t\tswitch(ndx) {\n") > systracetmp
 			printf("\t\tstruct %s *p = params;\n", argalias) > systrace
 			for (i = 1; i <= argc; i++) {
 				arg = argtype[i]
 				sub("__restrict$", "", arg)
 				if (index(arg, "*") > 0)
 					printf("\t\tcase %d:\n\t\t\tp = \"userland %s\";\n\t\t\tbreak;\n", i - 1, arg) > systracetmp
 				else
 					printf("\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", i - 1, arg) > systracetmp
 				if (index(arg, "*") > 0 || arg == "caddr_t")
 					printf("\t\tuarg[%d] = (intptr_t) p->%s; /* %s */\n", \
 					     i - 1, \
 					     argname[i], arg) > systrace
 				else if (arg == "union l_semun")
 					printf("\t\tuarg[%d] = p->%s.buf; /* %s */\n", \
 					     i - 1, \
 					     argname[i], arg) > systrace
 				else if (substr(arg, 1, 1) == "u" || arg == "size_t")
 					printf("\t\tuarg[%d] = p->%s; /* %s */\n", \
 					     i - 1, \
 					     argname[i], arg) > systrace
 				else
 					printf("\t\tiarg[%d] = p->%s; /* %s */\n", \
 					     i - 1, \
 					     argname[i], arg) > systrace
 			}
 			printf("\t\tdefault:\n\t\t\tbreak;\n\t\t};\n") > systracetmp
 
 			printf("\t\tif (ndx == 0 || ndx == 1)\n") > systraceret
 			printf("\t\t\tp = \"%s\";\n", syscallret) > systraceret
 			printf("\t\tbreak;\n") > systraceret
 		}
 		printf("\t\t*n_args = %d;\n\t\tbreak;\n\t}\n", argc) > systrace
 		printf("\t\tbreak;\n") > systracetmp
 		if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF")) {
 			if (argc != 0) {
 				printf("struct %s {\n", argalias) > sysarg
 				for (i = 1; i <= argc; i++)
 					printf("\tchar %s_l_[PADL_(%s)]; " \
 					    "%s %s; char %s_r_[PADR_(%s)];\n",
 					    argname[i], argtype[i],
 					    argtype[i], argname[i],
 					    argname[i], argtype[i]) > sysarg
 				printf("};\n") > sysarg
 			} else
 				printf("struct %s {\n\tregister_t dummy;\n};\n",
 				    argalias) > sysarg
 		}
 		if (!flag("NOPROTO") && !flag("NODEF")) {
 			if (funcname == "nosys" || funcname == "lkmnosys" ||
 			    funcname == "sysarch" || funcname ~ /^freebsd/ || 
 			    funcname ~ /^linux/ || funcname ~ /^cloudabi/) {
 				printf("%s\t%s(struct thread *, struct %s *)",
 				    rettype, funcname, argalias) > sysdcl
 			} else {
 				printf("%s\tsys_%s(struct thread *, struct %s *)",
 				    rettype, funcname, argalias) > sysdcl
 			} 
 			printf(";\n") > sysdcl
 			printf("#define\t%sAUE_%s\t%s\n", syscallprefix,
 			    funcalias, auditev) > sysaue
 		}
 		printf("\t{ %s, (sy_call_t *)", argssize) > sysent
 		column = 8 + 2 + length(argssize) + 15
 		if (flag("NOSTD")) {
 			printf("lkmressys, AUE_NULL, NULL, 0, 0, %s, SY_THR_ABSENT },", flags) > sysent
 			column = column + length("lkmressys") + length("AUE_NULL") + 3
 		} else {
 			if (funcname == "nosys" || funcname == "sysarch" || 
 			    funcname == "lkmnosys" || funcname ~ /^freebsd/ ||
 			    funcname ~ /^linux/ || funcname ~ /^cloudabi/) {
 				printf("%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent
 				column = column + length(funcname) + length(auditev) + length(flags) + 3 
 			} else {
 				printf("sys_%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent
 				column = column + length(funcname) + length(auditev) + length(flags) + 3 + 4
 			} 
 		} 
 		align_sysent_comment(column)
 		printf("/* %d = %s */\n", syscall, funcalias) > sysent
 		printf("\t\"%s\",\t\t\t/* %d = %s */\n",
 		    funcalias, syscall, funcalias) > sysnames
 		if (!flag("NODEF")) {
 			printf("#define\t%s%s\t%d\n", syscallprefix,
 		    	    funcalias, syscall) > syshdr
 			printf(" \\\n\t%s.o", funcalias) > sysmk
 		}
 		syscall++
 		next
 	}
 	type("COMPAT") || type("COMPAT4") || type("COMPAT6") || \
 	    type("COMPAT7") || type("COMPAT10") || type("COMPAT11") || \
 	    type("COMPAT12") {
 		if (flag("COMPAT")) {
 			ncompat++
 			out = syscompat
 			outdcl = syscompatdcl
 			wrap = "compat"
 			prefix = "o"
 			descr = "old"
 		} else if (flag("COMPAT4")) {
 			ncompat4++
 			out = syscompat4
 			outdcl = syscompat4dcl
 			wrap = "compat4"
 			prefix = "freebsd4_"
 			descr = "freebsd4"
 		} else if (flag("COMPAT6")) {
 			ncompat6++
 			out = syscompat6
 			outdcl = syscompat6dcl
 			wrap = "compat6"
 			prefix = "freebsd6_"
 			descr = "freebsd6"
 		} else if (flag("COMPAT7")) {
 			ncompat7++
 			out = syscompat7
 			outdcl = syscompat7dcl
 			wrap = "compat7"
 			prefix = "freebsd7_"
 			descr = "freebsd7"
 		} else if (flag("COMPAT10")) {
 			ncompat10++
 			out = syscompat10
 			outdcl = syscompat10dcl
 			wrap = "compat10"
 			prefix = "freebsd10_"
 			descr = "freebsd10"
 		} else if (flag("COMPAT11")) {
 			ncompat11++
 			out = syscompat11
 			outdcl = syscompat11dcl
 			wrap = "compat11"
 			prefix = "freebsd11_"
 			descr = "freebsd11"
 		} else if (flag("COMPAT12")) {
 			ncompat12++
 			out = syscompat12
 			outdcl = syscompat12dcl
 			wrap = "compat12"
 			prefix = "freebsd12_"
 			descr = "freebsd12"
 		}
 		parseline()
 		if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
 		    !flag("NODEF")) {
 			printf("struct %s {\n", argalias) > out
 			for (i = 1; i <= argc; i++)
 				printf("\tchar %s_l_[PADL_(%s)]; %s %s; " \
 				    "char %s_r_[PADR_(%s)];\n",
 				    argname[i], argtype[i],
 				    argtype[i], argname[i],
 				    argname[i], argtype[i]) > out
 			printf("};\n") > out
 		}
 		else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
 			printf("struct %s {\n\tregister_t dummy;\n};\n",
 			    argalias) > sysarg
 		if (!flag("NOPROTO") && !flag("NODEF")) {
 			printf("%s\t%s%s(struct thread *, struct %s *);\n",
 			    rettype, prefix, funcname, argalias) > outdcl
 			printf("#define\t%sAUE_%s%s\t%s\n", syscallprefix,
 			    prefix, funcname, auditev) > sysaue
 		}
 		if (flag("NOSTD")) {
 			printf("\t{ %s, (sy_call_t *)%s, %s, NULL, 0, 0, 0, SY_THR_ABSENT },",
 			    "0", "lkmressys", "AUE_NULL") > sysent
 			align_sysent_comment(8 + 2 + length("0") + 15 + \
 			    length("lkmressys") + length("AUE_NULL") + 3)
 		} else {
 			printf("\t{ %s(%s,%s), %s, NULL, 0, 0, %s, %s },",
 			    wrap, argssize, funcname, auditev, flags, thr_flag) > sysent
 			align_sysent_comment(8 + 9 + length(argssize) + 1 + \
 			    length(funcname) + length(auditev) + \
 			    length(flags) + 4)
 		}
 		printf("/* %d = %s %s */\n", syscall, descr, funcalias) > sysent
 		printf("\t\"%s.%s\",\t\t/* %d = %s %s */\n",
 		    wrap, funcalias, syscall, descr, funcalias) > sysnames
 		# Do not provide freebsdN_* symbols in libc for < FreeBSD 7
 		if (flag("COMPAT") || flag("COMPAT4") || flag("COMPAT6")) {
 			printf("\t\t\t\t/* %d is %s %s */\n",
 			    syscall, descr, funcalias) > syshdr
 		} else if (!flag("NODEF")) {
 			printf("#define\t%s%s%s\t%d\n", syscallprefix,
 			    prefix, funcalias, syscall) > syshdr
 			printf(" \\\n\t%s%s.o", prefix, funcalias) > sysmk
 		}
 		syscall++
 		next
 	}
 	type("OBSOL") {
 		printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },") > sysent
 		align_sysent_comment(34)
 		printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
 		printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
 		    $4, syscall, comment) > sysnames
 		printf("\t\t\t\t/* %d is obsolete %s */\n",
 		    syscall, comment) > syshdr
 		syscall++
 		next
 	}
 	type("UNIMPL") {
 		while (syscall <= syscall_range[2]) {
 			printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },\t\t\t/* %d = %s */\n",
 			    syscall, comment) > sysent
 			printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
 			    syscall, syscall, comment) > sysnames
 			syscall++
 		}
 		next
 	}
 	{
 		printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $3
 		exit 1
 	}
 	END {
 		printf "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n" > sysinc
 
 		if (ncompat != 0) {
 			printf "\n#ifdef %s\n", compat > sysinc
 			printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
 			printf "#else\n" > sysinc
 			printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 			printf "#endif\n" > sysinc
 		}
 
 		if (ncompat4 != 0) {
 			printf "\n#ifdef %s\n", compat4 > sysinc
 			printf "#define compat4(n, name) n, (sy_call_t *)__CONCAT(freebsd4_,name)\n" > sysinc
 			printf "#else\n" > sysinc
 			printf "#define compat4(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 			printf "#endif\n" > sysinc
 		}
 
 		if (ncompat6 != 0) {
 			printf "\n#ifdef %s\n", compat6 > sysinc
 			printf "#define compat6(n, name) n, (sy_call_t *)__CONCAT(freebsd6_,name)\n" > sysinc
 			printf "#else\n" > sysinc
 			printf "#define compat6(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 			printf "#endif\n" > sysinc
 		}
 
 		if (ncompat7 != 0) {
 			printf "\n#ifdef %s\n", compat7 > sysinc
 			printf "#define compat7(n, name) n, (sy_call_t *)__CONCAT(freebsd7_,name)\n" > sysinc
 			printf "#else\n" > sysinc
 			printf "#define compat7(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 			printf "#endif\n" > sysinc
 		}
 		if (ncompat10 != 0) {
 			printf "\n#ifdef %s\n", compat10 > sysinc
 			printf "#define compat10(n, name) n, (sy_call_t *)__CONCAT(freebsd10_,name)\n" > sysinc
 			printf "#else\n" > sysinc
 			printf "#define compat10(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 			printf "#endif\n" > sysinc
 		}
 		if (ncompat11 != 0) {
 			printf "\n#ifdef %s\n", compat11 > sysinc
 			printf "#define compat11(n, name) n, (sy_call_t *)__CONCAT(freebsd11_,name)\n" > sysinc
 			printf "#else\n" > sysinc
 			printf "#define compat11(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 			printf "#endif\n" > sysinc
 		}
 		if (ncompat12 != 0) {
 			printf "\n#ifdef %s\n", compat12 > sysinc
 			printf "#define compat12(n, name) n, (sy_call_t *)__CONCAT(freebsd12_,name)\n" > sysinc
 			printf "#else\n" > sysinc
 			printf "#define compat12(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 			printf "#endif\n" > sysinc
 		}
 
 		printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
 		printf("\n#endif /* %s */\n\n", compat4) > syscompat4dcl
 		printf("\n#endif /* %s */\n\n", compat6) > syscompat6dcl
 		printf("\n#endif /* %s */\n\n", compat7) > syscompat7dcl
 		printf("\n#endif /* %s */\n\n", compat10) > syscompat10dcl
 		printf("\n#endif /* %s */\n\n", compat11) > syscompat11dcl
 		printf("\n#endif /* %s */\n\n", compat12) > syscompat12dcl
 
 		printf("\n#undef PAD_\n") > sysprotoend
 		printf("#undef PADL_\n") > sysprotoend
 		printf("#undef PADR_\n") > sysprotoend
 		printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend
 
 		printf("\n") > sysmk
 		printf("};\n") > sysent
 		printf("};\n") > sysnames
 		printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
 		    > syshdr
 		printf "\tdefault:\n\t\t*n_args = 0;\n\t\tbreak;\n\t};\n}\n" > systrace
 		printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systracetmp
 		printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systraceret
 	} '
 
 cat $sysinc $sysent >> $syssw
 cat $sysarg $sysdcl \
 	$syscompat $syscompatdcl \
 	$syscompat4 $syscompat4dcl \
 	$syscompat6 $syscompat6dcl \
 	$syscompat7 $syscompat7dcl \
 	$syscompat10 $syscompat10dcl \
 	$syscompat11 $syscompat11dcl \
 	$syscompat12 $syscompat12dcl \
 	$sysaue $sysprotoend > $sysproto
 cat $systracetmp >> $systrace
 cat $systraceret >> $systrace