Fix "ls: not found" problem during buildworld. mdate.sh script
[dragonfly.git] / sys / kern / makesyscalls.sh
blob577c7d19c3c500c506d78d022bbfedd2bcaf56fe
1 #! /bin/sh -
2 # @(#)makesyscalls.sh 8.1 (Berkeley) 6/10/93
3 # $FreeBSD: src/sys/kern/makesyscalls.sh,v 1.39.2.4 2001/10/20 09:01:24 marcel Exp $
4 # $DragonFly: src/sys/kern/makesyscalls.sh,v 1.12 2005/08/02 13:03:55 joerg Exp $
6 set -e
8 # name of compat option:
9 compat=COMPAT_43
10 # name of DragonFly 1.2 compat option
11 compatdf12=COMPAT_DF12
13 # output files:
14 sysnames="syscalls.c"
15 sysproto="../sys/sysproto.h"
16 sysunion="../sys/sysunion.h"
17 sysproto_h=_SYS_SYSPROTO_H_
18 syshdr="../sys/syscall.h"
19 sysmk="../sys/syscall.mk"
20 syssw="init_sysent.c"
21 syshide="../sys/syscall-hide.h"
22 sysargs="../sys/syscall-args"
23 syscallprefix="SYS_"
24 switchname="sysent"
25 namesname="syscallnames"
27 # tmp files:
28 sysdcl="sysent.dcl.$$"
29 syscompat="sysent.compat.$$"
30 syscompatdf12="sysent.compatdf12.$$"
31 syscompatdcl="sysent.compatdcl.$$"
32 syscompatdcldf12="sysent.compatdcldf12.$$"
33 sysent="sysent.switch.$$"
34 sysinc="sysinc.switch.$$"
35 sysarg="sysarg.switch.$$"
36 sysun="sysunion.switch.$$"
38 trap "rm $sysdcl $syscompat $syscompatdf12 $syscompatdcl $syscompatdcldf12 $sysent $sysinc $sysarg $sysun" 0
40 touch $sysdcl $syscompat $syscompatdf12 $syscompatdcl $syscompatdf12 $sysent $sysinc $sysarg $sysun
42 case $# in
43 0) echo "Usage: $0 input-file <config-file>" 1>&2
44 exit 1
46 esac
48 if [ -n "$2" -a -f "$2" ]; then
49 . $2
52 sed -e '
53 s/\$//g
54 :join
55 /\\$/{a\
58 s/\\\n//
59 b join
61 2,${
62 /^#/!s/\([{}()*,]\)/ \1 /g
64 ' < $1 | awk "
65 BEGIN {
66 sysdcl = \"$sysdcl\"
67 sysproto = \"$sysproto\"
68 sysproto_h = \"$sysproto_h\"
69 syscompat = \"$syscompat\"
70 syscompatdf12 = \"$syscompatdf12\"
71 syscompatdcl = \"$syscompatdcl\"
72 syscompatdcldf12 = \"$syscompatdcldf12\"
73 sysent = \"$sysent\"
74 syssw = \"$syssw\"
75 sysinc = \"$sysinc\"
76 sysarg = \"$sysarg\"
77 sysun = \"$sysun\"
78 sysnames = \"$sysnames\"
79 syshdr = \"$syshdr\"
80 sysmk = \"$sysmk\"
81 compat = \"$compat\"
82 compatdf12 = \"$compatdf12\"
83 syshide = \"$syshide\"
84 syscallprefix = \"$syscallprefix\"
85 switchname = \"$switchname\"
86 namesname = \"$namesname\"
87 infile = \"$1\"
88 sysargs = \"$sysargs\"
91 printf "/*\n * System call switch table.\n *\n" > syssw
92 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syssw
93 printf " * \$\DragonFly\$\n" > syssw
95 printf "/*\n * System call prototypes.\n *\n" > sysarg
96 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysarg
97 printf " * \$\DragonFly\$\n" > sysarg
99 printf "\n#ifdef %s\n\n", compat > syscompat
100 printf "\n#ifdef %s\n\n", compatdf12 > syscompatdf12
102 printf "/*\n * System call names.\n *\n" > sysnames
103 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames
104 printf " * \$\DragonFly\$\n" > sysnames
106 printf "/*\n * System call numbers.\n *\n" > syshdr
107 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr
108 printf " * \$\DragonFly\$\n" > syshdr
109 printf "# DragonFly system call names.\n" > sysmk
110 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysmk
111 printf "# \$\DragonFly\$\n" > sysmk
112 printf "/*\n * System call hiders.\n *\n" > syshide
113 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshide
114 printf " * \$\DragonFly\$\n" > syshide
116 printf "/*\n * Union of syscall args for messaging.\n *\n" > sysun
117 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysun
118 printf " * \$\DragonFly\$\n" > sysun
119 printf "\n#ifdef _KERNEL\n\n" > sysdcl
120 printf "\n#ifdef _KERNEL\n\n" > syscompatdcl
121 printf "\n#ifdef _KERNEL\n\n" > syscompatdcldf12
123 printf "# System call argument table.\n" > sysargs
124 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysargs
125 printf "# \$\DragonFly\$\n" > sysargs
127 NR == 1 {
128 gsub("[$]DragonFly: ", "", $0)
129 gsub(" [$]", "", $0)
131 printf " * created from%s\n */\n\n", $0 > syssw
133 printf "\n/* The casts are bogus but will do for now. */\n" > sysent
134 printf "struct sysent %s[] = {\n",switchname > sysent
136 printf " * created from%s\n */\n\n", $0 > sysarg
137 printf "#ifndef %s\n", sysproto_h > sysarg
138 printf "#define\t%s\n\n", sysproto_h > sysarg
139 printf "#include <sys/signal.h>\n\n" > sysarg
140 printf "#include <sys/acl.h>\n\n" > sysarg
141 printf "#include <sys/msgport.h>\n\n" > sysarg
142 printf "#include <sys/sysmsg.h>\n\n" > sysarg
143 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
144 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
146 printf " * created from%s\n */\n\n", $0 > sysnames
147 printf "char *%s[] = {\n", namesname > sysnames
149 printf " * created from%s\n */\n\n", $0 > syshdr
151 printf "# created from%s\nMIASM = ", $0 > sysmk
153 printf " * created from%s\n */\n\n", $0 > syshide
154 printf " * created from%s\n */\n\n", $0 > sysun
155 printf "union sysunion {\n" > sysun
156 printf "#ifdef _KERNEL /* header only applies in kernel */\n" > sysun
157 printf "\tstruct\tlwkt_msg lmsg;\n" > sysun
158 printf "\tstruct\tsysmsg sysmsg;\n" > sysun
159 printf "#endif\n" > sysun
161 printf "\n# Created from%s\n\n", $0 > sysargs
162 next
164 NF == 0 || $1 ~ /^;/ {
165 next
167 $1 ~ /^#[ ]*include/ {
168 print > sysinc
169 next
171 $1 ~ /^#[ ]*if/ {
172 print > sysent
173 print > sysdcl
174 print > sysarg
175 print > syscompat
176 print > syscompatdf12
177 print > sysnames
178 print > syshide
179 print > sysun
180 savesyscall = syscall
181 next
183 $1 ~ /^#[ ]*else/ {
184 print > sysent
185 print > sysdcl
186 print > sysarg
187 print > sysun
188 print > syscompat
189 print > syscompatdf12
190 print > sysnames
191 print > syshide
192 syscall = savesyscall
193 next
195 $1 ~ /^#/ {
196 print > sysent
197 print > sysdcl
198 print > sysarg
199 print > sysun
200 print > syscompat
201 print > syscompatdf12
202 print > sysnames
203 print > syshide
204 next
206 syscall != $1 {
207 printf "%s: line %d: syscall number out of sync at %d\n",
208 infile, NR, syscall
209 printf "line is:\n"
210 print
211 exit 1
213 function align_sysent_comment(column) {
214 printf("\t") > sysent
215 column = column + 8 - column % 8
216 while (column < 56) {
217 printf("\t") > sysent
218 column = column + 8
221 function parserr(was, wanted) {
222 printf "%s: line %d: unexpected %s (expected %s)\n",
223 infile, NR, was, wanted
224 exit 1
226 function parseline() {
227 f=4 # toss number and type
228 argc= 0;
229 argssize = "0"
230 if ($NF != "}") {
231 funcalias=$(NF-2)
232 argalias=$(NF-1)
233 rettype=$NF
234 end=NF-3
235 } else {
236 funcalias=""
237 argalias=""
238 rettype="int"
239 end=NF
241 if ($2 == "NODEF") {
242 funcname=$4
243 argssize = "AS(" $6 ")"
244 return
246 if ($f != "{")
247 parserr($f, "{")
249 if ($end != "}")
250 parserr($end, "}")
251 end--
252 if ($end != ";")
253 parserr($end, ";")
254 end--
255 if ($end != ")")
256 parserr($end, ")")
257 end--
259 f++ #function return type
261 funcname=$f
262 usefuncname=$f
263 if (funcalias == "")
264 funcalias = funcname
265 if (argalias == "") {
266 argalias = funcname "_args"
267 if ($2 == "COMPAT") {
268 argalias = "o" argalias
269 usefuncname = "o" funcname
271 if ($2 == "COMPAT_DF12") {
272 argalias = "dfbsd12_" argalias
273 usefuncname = "dfbsd12_" funcname
278 if ($f != "(")
279 parserr($f, ")")
282 if (f == end) {
283 if ($f != "void")
284 parserr($f, "argument definition")
285 return
288 while (f <= end) {
289 argc++
290 argtype[argc]=""
291 oldf=""
292 while (f < end && $(f+1) != ",") {
293 if (argtype[argc] != "" && oldf != "*")
294 argtype[argc] = argtype[argc]" ";
295 argtype[argc] = argtype[argc]$f;
296 oldf = $f;
299 if (argtype[argc] == "")
300 parserr($f, "argument definition")
301 argname[argc]=$f;
302 f += 2; # skip name, and any comma
304 if (argc != 0)
305 argssize = "AS(" argalias ")"
307 { comment = $4
308 if (NF < 7)
309 for (i = 5; i <= NF; i++)
310 comment = comment " " $i
312 # if the "MPSAFE" keyword is found, note it and shift the line
313 mpsafe = ""
314 $2 == "MPSAFE" {
315 for (i = 2; i <= NF; i++)
316 $i = $(i + 1);
317 NF -= 1;
318 mpsafe = "SYF_MPSAFE | "
320 $2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "NOPROTO" \
321 || $2 == "NOIMPL" {
322 parseline()
323 if ((!nosys || funcname != "nosys") && \
324 (funcname != "lkmnosys")) {
325 if (argc != 0 && $2 != "NOARGS" && $2 != "NOPROTO") {
326 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
327 printf("struct\t%s {\n", argalias) > sysarg
328 printf("#ifdef _KERNEL\n") > sysarg
329 printf("\tstruct sysmsg sysmsg;\n") > sysarg
330 printf("#endif\n") > sysarg
331 printf("\tunion usrmsg usrmsg;\n") > sysarg
332 for (i = 1; i <= argc; i++)
333 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
334 argtype[i], argname[i],
335 argname[i], argtype[i]) > sysarg
336 printf("};\n") > sysarg
338 else if ($2 != "NOARGS" && $2 != "NOPROTO" && \
339 $2 != "NODEF") {
340 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
341 printf("struct\t%s {\n", argalias) > sysarg
342 printf("#ifdef _KERNEL\n") > sysarg
343 printf("\tstruct sysmsg sysmsg;\n") > sysarg
344 printf("#endif\n") > sysarg
345 printf("\tunion usrmsg usrmsg;\n") > sysarg
346 printf("\tregister_t dummy;\n") > sysarg
347 printf("};\n") > sysarg
350 if (($2 != "NOPROTO" && $2 != "NODEF" && \
351 (funcname != "nosys" || !nosys)) || \
352 (funcname == "lkmnosys" && !lkmnosys) || \
353 funcname == "lkmressys") {
354 printf("%s\t%s (struct %s *)",
355 rettype, funcname, argalias) > sysdcl
356 printf(";\n") > sysdcl
358 if (funcname == "nosys")
359 nosys = 1
360 if (funcname == "lkmnosys")
361 lkmnosys = 1
362 printf("\t{ %s%s, (sy_call_t *)", mpsafe, argssize) > sysent
363 column = 8 + 2 + length(mpsafe) + length(argssize) + 15
364 if ($2 != "NOIMPL") {
365 printf("%s },", funcname) > sysent
366 column = column + length(funcname) + 3
367 } else {
368 printf("%s },", "nosys") > sysent
369 column = column + length("nosys") + 3
371 align_sysent_comment(column)
372 printf("/* %d = %s */\n", syscall, funcalias) > sysent
373 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
374 funcalias, syscall, funcalias) > sysnames
375 if ($2 != "NODEF") {
376 printf("#define\t%s%s\t%d\n", syscallprefix,
377 funcalias, syscall) > syshdr
378 printf(" \\\n\t%s.o", funcalias) > sysmk
379 printf("%s\t%s\t%s\t%s", rettype, funcalias, usefuncname, argalias) > sysargs
380 for (i = 1; i <= argc; i++)
381 printf("\t%s\t%s", argtype[i], argname[i]) > sysargs
382 printf("\n") > sysargs
384 if ($3 != "NOHIDE")
385 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
386 syscall++
387 next
389 $2 == "COMPAT" || $2 == "CPT_NOA" {
390 ncompat++
391 parseline()
392 if (argc != 0 && $2 != "CPT_NOA") {
393 printf("#ifdef %s\n", compat) > sysun
394 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
395 printf("#endif\n") > sysun
396 printf("struct\t%s {\n", argalias) > syscompat
397 printf("#ifdef _KERNEL\n") > syscompat
398 printf("\tstruct sysmsg sysmsg;\n") > syscompat
399 printf("#endif\n") > syscompat
400 printf("\tunion usrmsg usrmsg;\n") > syscompat
401 for (i = 1; i <= argc; i++)
402 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
403 argtype[i], argname[i],
404 argname[i], argtype[i]) > syscompat
405 printf("};\n") > syscompat
407 else if($2 != "CPT_NOA") {
408 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
409 printf("struct\t%s {\n", argalias) > sysarg
410 printf("#ifdef _KERNEL\n") > sysarg
411 printf("\tstruct sysmsg sysmsg;\n") > sysarg
412 printf("#endif\n") > sysarg
413 printf("\tunion usrmsg usrmsg;\n") > sysarg
414 printf("\tregister_t dummy;\n") > sysarg
415 printf("};\n") > sysarg
417 printf("%s\to%s (struct %s *);\n",
418 rettype, funcname, argalias) > syscompatdcl
419 printf("\t{ compat(%s%s,%s) },",
420 mpsafe, argssize, funcname) > sysent
421 align_sysent_comment(8 + 9 + length(mpsafe) + \
422 length(argssize) + 1 + length(funcname) + 4)
423 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
424 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
425 funcalias, syscall, funcalias) > sysnames
426 printf("\t\t\t\t/* %d is old %s */\n",
427 syscall, funcalias) > syshdr
428 if ($3 != "NOHIDE")
429 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
430 syscall++
431 next
433 $2 == "COMPAT_DF12" {
434 ncompatdf12++
435 parseline()
436 if (argc != 0) {
437 printf("#ifdef %s\n", compatdf12) > sysun
438 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
439 printf("#endif\n") > sysun
440 printf("struct\t%s {\n", argalias) > syscompatdf12
441 printf("#ifdef _KERNEL\n") > syscompatdf12
442 printf("\tstruct sysmsg sysmsg;\n") > syscompatdf12
443 printf("#endif\n") > syscompatdf12
444 printf("\tunion usrmsg usrmsg;\n") > syscompatdf12
445 for (i = 1; i <= argc; i++)
446 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
447 argtype[i], argname[i],
448 argname[i], argtype[i]) > syscompatdf12
449 printf("};\n") > syscompatdf12
451 else {
452 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
453 printf("struct\t%s {\n", argalias) > sysarg
454 printf("#ifdef _KERNEL\n") > sysarg
455 printf("\tstruct sysmsg sysmsg;\n") > sysarg
456 printf("#endif\n") > sysarg
457 printf("\tunion usrmsg usrmsg;\n") > sysarg
458 printf("\tregister_t dummy;\n") > sysarg
459 printf("};\n") > sysarg
461 printf("%s\tdfbsd12_%s (struct %s *);\n",
462 rettype, funcname, argalias) > syscompatdcldf12
463 printf("\t{ compatdf12(%s%s,%s) },",
464 mpsafe, argssize, funcname) > sysent
465 align_sysent_comment(8 + 9 + length(mpsafe) + \
466 length(argssize) + 1 + length(funcname) + 4)
467 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
468 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
469 funcalias, syscall, funcalias) > sysnames
470 printf("\t\t\t\t/* %d is old %s */\n",
471 syscall, funcalias) > syshdr
472 if ($3 != "NOHIDE")
473 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
474 syscall++
475 next
477 $2 == "LIBCOMPAT" {
478 ncompat++
479 parseline()
480 printf("%s\to%s();\n", rettype, funcname) > syscompatdcl
481 printf("\t{ compat(%s%s,%s) },",
482 mpsafe, argssize, funcname) > sysent
483 align_sysent_comment(8 + 9 + length(mpsafe) + \
484 length(argssize) + 1 + length(funcname) + 4)
485 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
486 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
487 funcalias, syscall, funcalias) > sysnames
488 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n",
489 syscallprefix, funcalias, syscall) > syshdr
490 printf(" \\\n\t%s.o", funcalias) > sysmk
491 printf("%s\t%s\t%s\t%s", rettype, funcalias, usefuncname, argalias) > sysargs
492 for (i = 1; i <= argc; i++)
493 printf("\t%s\t%s", argtype[i], argname[i]) > sysargs
494 printf("\n") > sysargs
495 if ($3 != "NOHIDE")
496 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
497 syscall++
498 next
500 $2 == "OBSOL" {
501 printf("\t{ 0, (sy_call_t *)nosys },") > sysent
502 align_sysent_comment(34)
503 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
504 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
505 $4, syscall, comment) > sysnames
506 printf("\t\t\t\t/* %d is obsolete %s */\n",
507 syscall, comment) > syshdr
508 if ($3 != "NOHIDE")
509 printf("HIDE_%s(%s)\n", $3, $4) > syshide
510 syscall++
511 next
513 $2 == "UNIMPL" {
514 printf("\t{ 0, (sy_call_t *)nosys },\t\t\t/* %d = %s */\n",
515 syscall, comment) > sysent
516 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
517 syscall, syscall, comment) > sysnames
518 if ($3 != "NOHIDE")
519 printf("HIDE_%s(%s)\n", $3, $4) > syshide
520 syscall++
521 next
524 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2
525 exit 1
527 END {
528 printf "\n#define AS(name) ((sizeof(struct name) - sizeof(struct sysmsg) - sizeof(union usrmsg)) / sizeof(register_t))\n" > sysinc
529 if (ncompat != 0) {
530 printf "#include \"opt_compat.h\"\n\n" > syssw
531 printf "\n#ifdef %s\n", compat > sysinc
532 printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
533 printf "#else\n" > sysinc
534 printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
535 printf "#endif\n" > sysinc
538 if (ncompatdf12 != 0) {
539 printf "#include \"opt_compatdf12.h\"\n\n" > syssw
540 printf "\n#ifdef %s\n", compatdf12 > sysinc
541 printf "#define compatdf12(n, name) n, (sy_call_t *)__CONCAT(dfbsd12_,name)\n" > sysinc
542 printf "#else\n" > sysinc
543 printf "#define compatdf12(n, name) 0, (sy_call_t *)nosys\n" > sysinc
544 printf "#endif\n" > sysinc
547 printf("\n#endif /* _KERNEL */\n") > syscompatdcl
548 printf("\n#endif /* _KERNEL */\n") > syscompatdcldf12
549 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
550 printf("\n#endif /* %s */\n\n", compatdf12) > syscompatdcldf12
552 printf("\n") > sysmk
553 printf("};\n") > sysent
554 printf("};\n") > sysnames
555 printf("};\n") > sysun
556 printf("\n#endif /* !%s */\n", sysproto_h) > sysdcl
557 printf("#undef PAD_\n") > sysdcl
558 printf("\n#endif /* _KERNEL */\n") > sysdcl
559 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
560 > syshdr
563 cat $sysinc $sysent >> $syssw
564 cat $sysarg $syscompat $syscompatdcl $syscompatdf12 $syscompatdcldf12 $sysdcl > $sysproto
565 cat $sysun > $sysunion