1#! /bin/sh -
2#	@(#)makesyscalls.sh	8.1 (Berkeley) 6/10/93
3# $FreeBSD$
4
5set -e
6
7# name of compat options:
8compat=COMPAT_43
9compat4=COMPAT_FREEBSD4
10compat6=COMPAT_FREEBSD6
11compat7=COMPAT_FREEBSD7
12
13# output files:
14sysnames="syscalls.c"
15sysproto="../sys/sysproto.h"
16sysproto_h=_SYS_SYSPROTO_H_
17syshdr="../sys/syscall.h"
18sysmk="../sys/syscall.mk"
19syssw="init_sysent.c"
20syscallprefix="SYS_"
21switchname="sysent"
22namesname="syscallnames"
23systrace="systrace_args.c"
24
25# tmp files:
26sysaue="sysent.aue.$$"
27sysdcl="sysent.dcl.$$"
28syscompat="sysent.compat.$$"
29syscompatdcl="sysent.compatdcl.$$"
30syscompat4="sysent.compat4.$$"
31syscompat4dcl="sysent.compat4dcl.$$"
32syscompat6="sysent.compat6.$$"
33syscompat6dcl="sysent.compat6dcl.$$"
34syscompat7="sysent.compat7.$$"
35syscompat7dcl="sysent.compat7dcl.$$"
36sysent="sysent.switch.$$"
37sysinc="sysinc.switch.$$"
38sysarg="sysarg.switch.$$"
39sysprotoend="sysprotoend.$$"
40systracetmp="systrace.$$"
41systraceret="systraceret.$$"
42
43if [ -r capabilities.conf ]; then
44	capenabled=`cat capabilities.conf | grep -v "^#" | grep -v "^$"`
45	capenabled=`echo $capenabled | sed 's/ /,/g'`
46else
47	capenabled=""
48fi
49
50trap "rm $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret" 0
51
52touch $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret
53
54case $# in
55    0)	echo "usage: $0 input-file <config-file>" 1>&2
56	exit 1
57	;;
58esac
59
60if [ -n "$2" -a -f "$2" ]; then
61	. $2
62fi
63
64sed -e '
65s/\$//g
66:join
67	/\\$/{a\
68
69	N
70	s/\\\n//
71	b join
72	}
732,${
74	/^#/!s/\([{}()*,]\)/ \1 /g
75}
76' < $1 | awk "
77	BEGIN {
78		sysaue = \"$sysaue\"
79		sysdcl = \"$sysdcl\"
80		sysproto = \"$sysproto\"
81		sysprotoend = \"$sysprotoend\"
82		sysproto_h = \"$sysproto_h\"
83		syscompat = \"$syscompat\"
84		syscompatdcl = \"$syscompatdcl\"
85		syscompat4 = \"$syscompat4\"
86		syscompat4dcl = \"$syscompat4dcl\"
87		syscompat6 = \"$syscompat6\"
88		syscompat6dcl = \"$syscompat6dcl\"
89		syscompat7 = \"$syscompat7\"
90		syscompat7dcl = \"$syscompat7dcl\"
91		sysent = \"$sysent\"
92		syssw = \"$syssw\"
93		sysinc = \"$sysinc\"
94		sysarg = \"$sysarg\"
95		sysnames = \"$sysnames\"
96		syshdr = \"$syshdr\"
97		sysmk = \"$sysmk\"
98		systrace = \"$systrace\"
99		systracetmp = \"$systracetmp\"
100		systraceret = \"$systraceret\"
101		compat = \"$compat\"
102		compat4 = \"$compat4\"
103		compat6 = \"$compat6\"
104		compat7 = \"$compat7\"
105		syscallprefix = \"$syscallprefix\"
106		switchname = \"$switchname\"
107		namesname = \"$namesname\"
108		infile = \"$1\"
109		capenabled_string = \"$capenabled\"
110		"'
111
112		split(capenabled_string, capenabled, ",");
113
114		printf "/*\n * System call switch table.\n *\n" > syssw
115		printf " * DO NOT EDIT-- this file is automatically generated.\n" > syssw
116		printf " * $%s$\n", "FreeBSD" > syssw
117
118		printf "/*\n * System call prototypes.\n *\n" > sysarg
119		printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysarg
120		printf " * $%s$\n", "FreeBSD" > sysarg
121
122		printf "\n#ifdef %s\n\n", compat > syscompat
123		printf "\n#ifdef %s\n\n", compat4 > syscompat4
124		printf "\n#ifdef %s\n\n", compat6 > syscompat6
125		printf "\n#ifdef %s\n\n", compat7 > syscompat7
126
127		printf "/*\n * System call names.\n *\n" > sysnames
128		printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames
129		printf " * $%s$\n", "FreeBSD" > sysnames
130
131		printf "/*\n * System call numbers.\n *\n" > syshdr
132		printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr
133		printf " * $%s$\n", "FreeBSD" > syshdr
134		printf "# FreeBSD system call names.\n" > sysmk
135		printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysmk
136		printf "# $%s$\n", "FreeBSD" > sysmk
137
138		printf "/*\n * System call argument to DTrace register array converstion.\n *\n" > systrace
139		printf " * DO NOT EDIT-- this file is automatically generated.\n" > systrace
140		printf " * $%s$\n", "FreeBSD" > systrace
141	}
142	NR == 1 {
143		gsub("[$]FreeBSD: ", "", $0)
144		gsub(" [$]", "", $0)
145
146		printf " * created from%s\n */\n\n", $0 > syssw
147
148		printf "\n/* The casts are bogus but will do for now. */\n" > sysent
149		printf "struct sysent %s[] = {\n",switchname > sysent
150
151		printf " * created from%s\n */\n\n", $0 > sysarg
152		printf "#ifndef %s\n", sysproto_h > sysarg
153		printf "#define\t%s\n\n", sysproto_h > sysarg
154		printf "#include <sys/signal.h>\n" > sysarg
155		printf "#include <sys/acl.h>\n" > sysarg
156		printf "#include <sys/cpuset.h>\n" > sysarg
157		printf "#include <sys/_ffcounter.h>\n" > sysarg
158		printf "#include <sys/_semaphore.h>\n" > sysarg
159		printf "#include <sys/ucontext.h>\n" > sysarg
160		printf "#include <sys/wait.h>\n\n" > sysarg
161		printf "#include <bsm/audit_kevents.h>\n\n" > sysarg
162		printf "struct proc;\n\n" > sysarg
163		printf "struct thread;\n\n" > sysarg
164		printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
165		printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
166		printf "#if BYTE_ORDER == LITTLE_ENDIAN\n"> sysarg
167		printf "#define\tPADL_(t)\t0\n" > sysarg
168		printf "#define\tPADR_(t)\tPAD_(t)\n" > sysarg
169		printf "#else\n" > sysarg
170		printf "#define\tPADL_(t)\tPAD_(t)\n" > sysarg
171		printf "#define\tPADR_(t)\t0\n" > sysarg
172		printf "#endif\n\n" > sysarg
173
174		printf " * created from%s\n */\n\n", $0 > sysnames
175		printf "const char *%s[] = {\n", namesname > sysnames
176
177		printf " * created from%s\n */\n\n", $0 > syshdr
178
179		printf "# created from%s\nMIASM = ", $0 > sysmk
180
181		printf " * This file is part of the DTrace syscall provider.\n */\n\n" > systrace
182		printf "static void\nsystrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)\n{\n" > systrace
183		printf "\tint64_t *iarg  = (int64_t *) uarg;\n" > systrace
184		printf "\tswitch (sysnum) {\n" > systrace
185
186		printf "static void\nsystrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systracetmp
187		printf "\tswitch (sysnum) {\n" > systracetmp
188
189		printf "static void\nsystrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systraceret
190		printf "\tswitch (sysnum) {\n" > systraceret
191
192		next
193	}
194	NF == 0 || $1 ~ /^;/ {
195		next
196	}
197	$1 ~ /^#[ 	]*include/ {
198		print > sysinc
199		next
200	}
201	$1 ~ /^#[ 	]*if/ {
202		print > sysent
203		print > sysdcl
204		print > sysarg
205		print > syscompat
206		print > syscompat4
207		print > syscompat6
208		print > syscompat7
209		print > sysnames
210		print > systrace
211		print > systracetmp
212		print > systraceret
213		savesyscall = syscall
214		next
215	}
216	$1 ~ /^#[ 	]*else/ {
217		print > sysent
218		print > sysdcl
219		print > sysarg
220		print > syscompat
221		print > syscompat4
222		print > syscompat6
223		print > syscompat7
224		print > sysnames
225		print > systrace
226		print > systracetmp
227		print > systraceret
228		syscall = savesyscall
229		next
230	}
231	$1 ~ /^#/ {
232		print > sysent
233		print > sysdcl
234		print > sysarg
235		print > syscompat
236		print > syscompat4
237		print > syscompat6
238		print > syscompat7
239		print > sysnames
240		print > systrace
241		print > systracetmp
242		print > systraceret
243		next
244	}
245	syscall != $1 {
246		printf "%s: line %d: syscall number out of sync at %d\n",
247		    infile, NR, syscall
248		printf "line is:\n"
249		print
250		exit 1
251	}
252	# Returns true if the type "name" is the first flag in the type field
253	function type(name, flags, n) {
254		n = split($3, flags, /\|/)
255		return (n > 0 && flags[1] == name)
256	}
257	# Returns true if the flag "name" is set in the type field
258	function flag(name, flags, i, n) {
259		n = split($3, flags, /\|/)
260		for (i = 1; i <= n; i++)
261			if (flags[i] == name)
262				return 1
263		return 0
264	}
265	function align_sysent_comment(column) {
266		printf("\t") > sysent
267		column = column + 8 - column % 8
268		while (column < 56) {
269			printf("\t") > sysent
270			column = column + 8
271		}
272	}
273	function parserr(was, wanted) {
274		printf "%s: line %d: unexpected %s (expected %s)\n",
275		    infile, NR, was, wanted
276		exit 1
277	}
278	function parseline() {
279		f=4			# toss number, type, audit event
280		argc= 0;
281		argssize = "0"
282		thr_flag = "SY_THR_STATIC"
283		if (flag("NOTSTATIC")) {
284			thr_flag = "SY_THR_ABSENT"
285		}
286		if ($NF != "}") {
287			funcalias=$(NF-2)
288			argalias=$(NF-1)
289			rettype=$NF
290			end=NF-3
291		} else {
292			funcalias=""
293			argalias=""
294			rettype="int"
295			end=NF
296		}
297		if (flag("NODEF")) {
298			auditev="AUE_NULL"
299			funcname=$4
300			argssize = "AS(" $6 ")"
301			return
302		}
303		if ($f != "{")
304			parserr($f, "{")
305		f++
306		if ($end != "}")
307			parserr($end, "}")
308		end--
309		if ($end != ";")
310			parserr($end, ";")
311		end--
312		if ($end != ")")
313			parserr($end, ")")
314		end--
315
316		syscallret=$f
317		f++
318
319		funcname=$f
320
321		#
322		# We now know the func name, so define a flags field for it.
323		# Do this before any other processing as we may return early
324		# from it.
325		#
326		for (cap in capenabled) {
327			if (funcname == capenabled[cap]) {
328				flags = "SYF_CAPENABLED";
329			}
330		}
331
332		if (funcalias == "")
333			funcalias = funcname
334		if (argalias == "") {
335			argalias = funcname "_args"
336			if (flag("COMPAT"))
337				argalias = "o" argalias
338			if (flag("COMPAT4"))
339				argalias = "freebsd4_" argalias
340			if (flag("COMPAT6"))
341				argalias = "freebsd6_" argalias
342			if (flag("COMPAT7"))
343				argalias = "freebsd7_" argalias
344		}
345		f++
346
347		if ($f != "(")
348			parserr($f, ")")
349		f++
350
351		if (f == end) {
352			if ($f != "void")
353				parserr($f, "argument definition")
354			return
355		}
356
357		while (f <= end) {
358			argc++
359			argtype[argc]=""
360			oldf=""
361			while (f < end && $(f+1) != ",") {
362				if (argtype[argc] != "" && oldf != "*")
363					argtype[argc] = argtype[argc]" ";
364				argtype[argc] = argtype[argc]$f;
365				oldf = $f;
366				f++
367			}
368			if (argtype[argc] == "")
369				parserr($f, "argument definition")
370			argname[argc]=$f;
371			f += 2;			# skip name, and any comma
372		}
373		if (argc != 0)
374			argssize = "AS(" argalias ")"
375	}
376	{	comment = $4
377		if (NF < 7)
378			for (i = 5; i <= NF; i++)
379				comment = comment " " $i
380	}
381
382	#
383	# The AUE_ audit event identifier.
384	#
385	{
386		auditev = $2;
387	}
388
389	#
390	# The flags, if any.
391	#
392	{
393		flags = "0";
394	}
395
396	type("STD") || type("NODEF") || type("NOARGS") || type("NOPROTO") \
397	    || type("NOSTD") {
398		parseline()
399		printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall) > systrace
400		printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systracetmp
401		printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systraceret
402		if (argc > 0) {
403			printf("\t\tswitch(ndx) {\n") > systracetmp
404			printf("\t\tstruct %s *p = params;\n", argalias) > systrace
405			for (i = 1; i <= argc; i++) {
406				arg = argtype[i]
407				sub("__restrict$", "", arg)
408				printf("\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", i - 1, arg) > systracetmp
409				if (index(arg, "*") > 0 || arg == "caddr_t")
410					printf("\t\tuarg[%d] = (intptr_t) p->%s; /* %s */\n", \
411					     i - 1, \
412					     argname[i], arg) > systrace
413				else if (substr(arg, 1, 1) == "u" || arg == "size_t")
414					printf("\t\tuarg[%d] = p->%s; /* %s */\n", \
415					     i - 1, \
416					     argname[i], arg) > systrace
417				else
418					printf("\t\tiarg[%d] = p->%s; /* %s */\n", \
419					     i - 1, \
420					     argname[i], arg) > systrace
421			}
422			printf("\t\tdefault:\n\t\t\tbreak;\n\t\t};\n") > systracetmp
423
424			printf("\t\tif (ndx == 0 || ndx == 1)\n") > systraceret
425			printf("\t\t\tp = \"%s\";\n", syscallret) > systraceret
426			printf("\t\tbreak;\n") > systraceret
427		}
428		printf("\t\t*n_args = %d;\n\t\tbreak;\n\t}\n", argc) > systrace
429		printf("\t\tbreak;\n") > systracetmp
430		if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
431		    !flag("NODEF")) {
432			printf("struct %s {\n", argalias) > sysarg
433			for (i = 1; i <= argc; i++)
434				printf("\tchar %s_l_[PADL_(%s)]; " \
435				    "%s %s; char %s_r_[PADR_(%s)];\n",
436				    argname[i], argtype[i],
437				    argtype[i], argname[i],
438				    argname[i], argtype[i]) > sysarg
439			printf("};\n") > sysarg
440		}
441		else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
442			printf("struct %s {\n\tregister_t dummy;\n};\n",
443			    argalias) > sysarg
444		if (!flag("NOPROTO") && !flag("NODEF")) {
445			if (funcname == "nosys" || funcname == "lkmnosys" ||
446			    funcname == "sysarch" || funcname ~ /^freebsd/ || 
447			    funcname ~ /^linux/ || funcname ~ /^svr4/ || 
448			    funcname ~ /^ibcs2/ || funcname ~ /^xenix/) {				
449				printf("%s\t%s(struct thread *, struct %s *)",
450				    rettype, funcname, argalias) > sysdcl
451			} else {
452				printf("%s\tsys_%s(struct thread *, struct %s *)",
453				    rettype, funcname, argalias) > sysdcl
454			} 
455			printf(";\n") > sysdcl
456			printf("#define\t%sAUE_%s\t%s\n", syscallprefix,
457			    funcalias, auditev) > sysaue
458		}
459		printf("\t{ %s, (sy_call_t *)", argssize) > sysent
460		column = 8 + 2 + length(argssize) + 15
461		if (flag("NOSTD")) {
462			printf("%s },", "lkmressys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT") > sysent
463			column = column + length("lkmressys") + length("AUE_NULL") + 3
464		} else {
465			if (funcname == "nosys" || funcname == "sysarch" || 
466			    funcname == "lkmnosys" || funcname ~ /^freebsd/ ||
467			    funcname ~ /^linux/ || funcname ~ /^svr4/ ||
468			    funcname ~ /^ibcs2/ || funcname ~ /^xenix/) {
469				printf("%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent
470				column = column + length(funcname) + length(auditev) + length(flags) + 3 
471			} else {
472				printf("sys_%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent
473				column = column + length(funcname) + length(auditev) + length(flags) + 3 + 4
474			} 
475		} 
476		align_sysent_comment(column)
477		printf("/* %d = %s */\n", syscall, funcalias) > sysent
478		printf("\t\"%s\",\t\t\t/* %d = %s */\n",
479		    funcalias, syscall, funcalias) > sysnames
480		if (!flag("NODEF")) {
481			printf("#define\t%s%s\t%d\n", syscallprefix,
482		    	    funcalias, syscall) > syshdr
483			printf(" \\\n\t%s.o", funcalias) > sysmk
484		}
485		syscall++
486		next
487	}
488	type("COMPAT") || type("COMPAT4") || type("COMPAT6") || \
489	    type("COMPAT7") {
490		if (flag("COMPAT")) {
491			ncompat++
492			out = syscompat
493			outdcl = syscompatdcl
494			wrap = "compat"
495			prefix = "o"
496			descr = "old"
497		} else if (flag("COMPAT4")) {
498			ncompat4++
499			out = syscompat4
500			outdcl = syscompat4dcl
501			wrap = "compat4"
502			prefix = "freebsd4_"
503			descr = "freebsd4"
504		} else if (flag("COMPAT6")) {
505			ncompat6++
506			out = syscompat6
507			outdcl = syscompat6dcl
508			wrap = "compat6"
509			prefix = "freebsd6_"
510			descr = "freebsd6"
511		} else if (flag("COMPAT7")) {
512			ncompat7++
513			out = syscompat7
514			outdcl = syscompat7dcl
515			wrap = "compat7"
516			prefix = "freebsd7_"
517			descr = "freebsd7"
518		}
519		parseline()
520		if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
521		    !flag("NODEF")) {
522			printf("struct %s {\n", argalias) > out
523			for (i = 1; i <= argc; i++)
524				printf("\tchar %s_l_[PADL_(%s)]; %s %s; " \
525				    "char %s_r_[PADR_(%s)];\n",
526				    argname[i], argtype[i],
527				    argtype[i], argname[i],
528				    argname[i], argtype[i]) > out
529			printf("};\n") > out
530		}
531		else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
532			printf("struct %s {\n\tregister_t dummy;\n};\n",
533			    argalias) > sysarg
534		if (!flag("NOPROTO") && !flag("NODEF")) {
535			printf("%s\t%s%s(struct thread *, struct %s *);\n",
536			    rettype, prefix, funcname, argalias) > outdcl
537			printf("#define\t%sAUE_%s%s\t%s\n", syscallprefix,
538			    prefix, funcname, auditev) > sysaue
539		}
540		if (flag("NOSTD")) {
541			printf("\t{ %s, (sy_call_t *)%s, %s, NULL, 0, 0, 0, SY_THR_ABSENT },",
542			    "0", "lkmressys", "AUE_NULL") > sysent
543			align_sysent_comment(8 + 2 + length("0") + 15 + \
544			    length("lkmressys") + length("AUE_NULL") + 3)
545		} else {
546			printf("\t{ %s(%s,%s), %s, NULL, 0, 0, %s, %s },",
547			    wrap, argssize, funcname, auditev, flags, thr_flag) > sysent
548			align_sysent_comment(8 + 9 + length(argssize) + 1 + \
549			    length(funcname) + length(auditev) + \
550			    length(flags) + 4)
551		}
552		printf("/* %d = %s %s */\n", syscall, descr, funcalias) > sysent
553		printf("\t\"%s.%s\",\t\t/* %d = %s %s */\n",
554		    wrap, funcalias, syscall, descr, funcalias) > sysnames
555		if (flag("COMPAT")) {
556			printf("\t\t\t\t/* %d is old %s */\n",
557			    syscall, funcalias) > syshdr
558		} else if (!flag("NODEF")) {
559			printf("#define\t%s%s%s\t%d\n", syscallprefix,
560			    prefix, funcalias, syscall) > syshdr
561			printf(" \\\n\t%s%s.o", prefix, funcalias) > sysmk
562		}
563		syscall++
564		next
565	}
566	type("OBSOL") {
567		printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },") > sysent
568		align_sysent_comment(34)
569		printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
570		printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
571		    $4, syscall, comment) > sysnames
572		printf("\t\t\t\t/* %d is obsolete %s */\n",
573		    syscall, comment) > syshdr
574		syscall++
575		next
576	}
577	type("UNIMPL") {
578		printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },\t\t\t/* %d = %s */\n",
579		    syscall, comment) > sysent
580		printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
581		    syscall, syscall, comment) > sysnames
582		syscall++
583		next
584	}
585	{
586		printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $3
587		exit 1
588	}
589	END {
590		printf "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n" > sysinc
591
592		if (ncompat != 0 || ncompat4 != 0 || ncompat6 != 0 || ncompat7 != 0)
593			printf "#include \"opt_compat.h\"\n\n" > syssw
594
595		if (ncompat != 0) {
596			printf "\n#ifdef %s\n", compat > sysinc
597			printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
598			printf "#else\n" > sysinc
599			printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
600			printf "#endif\n" > sysinc
601		}
602
603		if (ncompat4 != 0) {
604			printf "\n#ifdef %s\n", compat4 > sysinc
605			printf "#define compat4(n, name) n, (sy_call_t *)__CONCAT(freebsd4_,name)\n" > sysinc
606			printf "#else\n" > sysinc
607			printf "#define compat4(n, name) 0, (sy_call_t *)nosys\n" > sysinc
608			printf "#endif\n" > sysinc
609		}
610
611		if (ncompat6 != 0) {
612			printf "\n#ifdef %s\n", compat6 > sysinc
613			printf "#define compat6(n, name) n, (sy_call_t *)__CONCAT(freebsd6_,name)\n" > sysinc
614			printf "#else\n" > sysinc
615			printf "#define compat6(n, name) 0, (sy_call_t *)nosys\n" > sysinc
616			printf "#endif\n" > sysinc
617		}
618
619		if (ncompat7 != 0) {
620			printf "\n#ifdef %s\n", compat7 > sysinc
621			printf "#define compat7(n, name) n, (sy_call_t *)__CONCAT(freebsd7_,name)\n" > sysinc
622			printf "#else\n" > sysinc
623			printf "#define compat7(n, name) 0, (sy_call_t *)nosys\n" > sysinc
624			printf "#endif\n" > sysinc
625		}
626
627		printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
628		printf("\n#endif /* %s */\n\n", compat4) > syscompat4dcl
629		printf("\n#endif /* %s */\n\n", compat6) > syscompat6dcl
630		printf("\n#endif /* %s */\n\n", compat7) > syscompat7dcl
631
632		printf("\n#undef PAD_\n") > sysprotoend
633		printf("#undef PADL_\n") > sysprotoend
634		printf("#undef PADR_\n") > sysprotoend
635		printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend
636
637		printf("\n") > sysmk
638		printf("};\n") > sysent
639		printf("};\n") > sysnames
640		printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
641		    > syshdr
642		printf "\tdefault:\n\t\t*n_args = 0;\n\t\tbreak;\n\t};\n}\n" > systrace
643		printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systracetmp
644		printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systraceret
645	} '
646
647cat $sysinc $sysent >> $syssw
648cat $sysarg $sysdcl \
649	$syscompat $syscompatdcl \
650	$syscompat4 $syscompat4dcl \
651	$syscompat6 $syscompat6dcl \
652	$syscompat7 $syscompat7dcl \
653	$sysaue $sysprotoend > $sysproto
654cat $systracetmp >> $systrace
655cat $systraceret >> $systrace
656
657