1 #! /bin/sh -
2 # @(#)makesyscalls.sh 8.1 (Berkeley) 6/10/93
3 # $FreeBSD$
4
5 set -e
6
7 # name of compat options:
8 compat=COMPAT_43
9 compat4=COMPAT_FREEBSD4
10 compat6=COMPAT_FREEBSD6
11 compat7=COMPAT_FREEBSD7
12 compat10=COMPAT_FREEBSD10
13 compat11=COMPAT_FREEBSD11
14
15 # output files:
16 sysnames="syscalls.c"
17 sysproto="../sys/sysproto.h"
18 sysproto_h=_SYS_SYSPROTO_H_
19 syshdr="../sys/syscall.h"
20 sysmk="../sys/syscall.mk"
21 syssw="init_sysent.c"
22 syscallprefix="SYS_"
23 switchname="sysent"
24 namesname="syscallnames"
25 systrace="systrace_args.c"
26
27 # tmp files:
28 sysaue="sysent.aue.$$"
29 sysdcl="sysent.dcl.$$"
30 syscompat="sysent.compat.$$"
31 syscompatdcl="sysent.compatdcl.$$"
32 syscompat4="sysent.compat4.$$"
33 syscompat4dcl="sysent.compat4dcl.$$"
34 syscompat6="sysent.compat6.$$"
35 syscompat6dcl="sysent.compat6dcl.$$"
36 syscompat7="sysent.compat7.$$"
37 syscompat7dcl="sysent.compat7dcl.$$"
38 syscompat10="sysent.compat10.$$"
39 syscompat10dcl="sysent.compat10dcl.$$"
40 syscompat11="sysent.compat11.$$"
41 syscompat11dcl="sysent.compat11dcl.$$"
42 sysent="sysent.switch.$$"
43 sysinc="sysinc.switch.$$"
44 sysarg="sysarg.switch.$$"
45 sysprotoend="sysprotoend.$$"
46 systracetmp="systrace.$$"
47 systraceret="systraceret.$$"
48 capabilities_conf="capabilities.conf"
49
50 trap "rm $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $syscompat10 $syscompat10dcl $syscompat11 $syscompat11dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret" 0
51
52 touch $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $syscompat10 $syscompat10dcl $syscompat11 $syscompat11dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret
53
54 case $# in
55 0) echo "usage: $0 input-file <config-file>" 1>&2
56 exit 1
57 ;;
58 esac
59
60 if [ -n "$2" ]; then
61 . "$2"
62 fi
63
64 if [ -n "$capenabled" ]; then
65 # do nothing
66 elif [ -r $capabilities_conf ]; then
67 capenabled=`egrep -v '^#|^$' $capabilities_conf`
68 capenabled=`echo $capenabled | sed 's/ /,/g'`
69 else
70 capenabled=""
71 fi
72
73 sed -e '
74 # FreeBSD ID, includes, comments, and blank lines
75 /.*\$FreeBSD/b done_joining
76 /^[#;]/b done_joining
77 /^$/b done_joining
78
79 # Join lines ending in backslash
80 :joining
81 /\\$/{a\
82
83 N
84 s/\\\n//
85 b joining
86 }
87
88 # OBSOL, etc lines without function signatures
89 /^[0-9][^{]*$/b done_joining
90
91 # Join incomplete signatures. The { must appear on the first line
92 # and the } must appear on the last line (modulo lines joined by
93 # backslashes).
94 /^[^}]*$/{a\
95
96 N
97 s/\n//
98 b joining
99 }
100 :done_joining
101 2,${
102 /^#/!s/\([{}()*,]\)/ \1 /g
103 }
104 ' < $1 | awk "
105 BEGIN {
106 sysaue = \"$sysaue\"
107 sysdcl = \"$sysdcl\"
108 sysproto = \"$sysproto\"
109 sysprotoend = \"$sysprotoend\"
110 sysproto_h = \"$sysproto_h\"
111 syscompat = \"$syscompat\"
112 syscompatdcl = \"$syscompatdcl\"
113 syscompat4 = \"$syscompat4\"
114 syscompat4dcl = \"$syscompat4dcl\"
115 syscompat6 = \"$syscompat6\"
116 syscompat6dcl = \"$syscompat6dcl\"
117 syscompat7 = \"$syscompat7\"
118 syscompat7dcl = \"$syscompat7dcl\"
119 syscompat10 = \"$syscompat10\"
120 syscompat10dcl = \"$syscompat10dcl\"
121 syscompat11 = \"$syscompat11\"
122 syscompat11dcl = \"$syscompat11dcl\"
123 sysent = \"$sysent\"
124 syssw = \"$syssw\"
125 sysinc = \"$sysinc\"
126 sysarg = \"$sysarg\"
127 sysnames = \"$sysnames\"
128 syshdr = \"$syshdr\"
129 sysmk = \"$sysmk\"
130 systrace = \"$systrace\"
131 systracetmp = \"$systracetmp\"
132 systraceret = \"$systraceret\"
133 compat = \"$compat\"
134 compat4 = \"$compat4\"
135 compat6 = \"$compat6\"
136 compat7 = \"$compat7\"
137 compat10 = \"$compat10\"
138 compat11 = \"$compat11\"
139 syscallprefix = \"$syscallprefix\"
140 switchname = \"$switchname\"
141 namesname = \"$namesname\"
142 infile = \"$1\"
143 abi_func_prefix = \"$abi_func_prefix\"
144 capenabled_string = \"$capenabled\"
145 "'
146
147 # Avoid a literal generated file tag here.
148 generated = "@" "generated";
149
150 split(capenabled_string, capenabled, ",");
151
152 printf "\n/* The casts are bogus but will do for now. */\n" > sysent
153 printf "struct sysent %s[] = {\n",switchname > sysent
154
155 printf "/*\n * System call switch table.\n *\n" > syssw
156 printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > syssw
157 printf " * $%s$\n", "FreeBSD" > syssw
158 printf " */\n\n" > syssw
159
160 printf "/*\n * System call prototypes.\n *\n" > sysarg
161 printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > sysarg
162 printf " * $%s$\n", "FreeBSD" > sysarg
163 printf " */\n\n" > sysarg
164 printf "#ifndef %s\n", sysproto_h > sysarg
165 printf "#define\t%s\n\n", sysproto_h > sysarg
166 printf "#include <sys/signal.h>\n" > sysarg
167 printf "#include <sys/acl.h>\n" > sysarg
168 printf "#include <sys/cpuset.h>\n" > sysarg
169 printf "#include <sys/domainset.h>\n" > sysarg
170 printf "#include <sys/_ffcounter.h>\n" > sysarg
171 printf "#include <sys/_semaphore.h>\n" > sysarg
172 printf "#include <sys/ucontext.h>\n" > sysarg
173 printf "#include <sys/wait.h>\n\n" > sysarg
174 printf "#include <bsm/audit_kevents.h>\n\n" > sysarg
175 printf "struct proc;\n\n" > sysarg
176 printf "struct thread;\n\n" > sysarg
177 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
178 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
179 printf "#if BYTE_ORDER == LITTLE_ENDIAN\n"> sysarg
180 printf "#define\tPADL_(t)\t0\n" > sysarg
181 printf "#define\tPADR_(t)\tPAD_(t)\n" > sysarg
182 printf "#else\n" > sysarg
183 printf "#define\tPADL_(t)\tPAD_(t)\n" > sysarg
184 printf "#define\tPADR_(t)\t0\n" > sysarg
185 printf "#endif\n\n" > sysarg
186
187 printf "\n#ifdef %s\n\n", compat > syscompat
188 printf "\n#ifdef %s\n\n", compat4 > syscompat4
189 printf "\n#ifdef %s\n\n", compat6 > syscompat6
190 printf "\n#ifdef %s\n\n", compat7 > syscompat7
191 printf "\n#ifdef %s\n\n", compat10 > syscompat10
192 printf "\n#ifdef %s\n\n", compat11 > syscompat11
193
194 printf "/*\n * System call names.\n *\n" > sysnames
195 printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > sysnames
196 printf " * $%s$\n", "FreeBSD" > sysnames
197 printf " */\n\n" > sysnames
198 printf "const char *%s[] = {\n", namesname > sysnames
199
200 printf "/*\n * System call numbers.\n *\n" > syshdr
201 printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > syshdr
202 printf " * $%s$\n", "FreeBSD" > syshdr
203 printf " */\n\n" > syshdr
204
205 printf "# FreeBSD system call object files.\n" > sysmk
206 printf "# DO NOT EDIT-- this file is automatically " generated ".\n" > sysmk
207 printf "# $%s$\n", "FreeBSD" > sysmk
208 printf "MIASM = " > sysmk
209
210 printf "/*\n * System call argument to DTrace register array converstion.\n *\n" > systrace
211 printf " * DO NOT EDIT-- this file is automatically " generated ".\n" > systrace
212 printf " * $%s$\n", "FreeBSD" > systrace
213 printf " * This file is part of the DTrace syscall provider.\n */\n\n" > systrace
214 printf "static void\nsystrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)\n{\n" > systrace
215 printf "\tint64_t *iarg = (int64_t *) uarg;\n" > systrace
216 printf "\tswitch (sysnum) {\n" > systrace
217
218 printf "static void\nsystrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systracetmp
219 printf "\tswitch (sysnum) {\n" > systracetmp
220
221 printf "static void\nsystrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systraceret
222 printf "\tswitch (sysnum) {\n" > systraceret
223 }
224 NR == 1 {
225 next
226 }
227 NF == 0 || $1 ~ /^;/ {
228 next
229 }
230 $1 ~ /^#[ ]*include/ {
231 print > sysinc
232 next
233 }
234 $1 ~ /^#[ ]*if/ {
235 print > sysent
236 print > sysdcl
237 print > sysarg
238 print > syscompat
239 print > syscompat4
240 print > syscompat6
241 print > syscompat7
242 print > syscompat10
243 print > syscompat11
244 print > sysnames
245 print > systrace
246 print > systracetmp
247 print > systraceret
248 savesyscall = syscall
249 next
250 }
251 $1 ~ /^#[ ]*else/ {
252 print > sysent
253 print > sysdcl
254 print > sysarg
255 print > syscompat
256 print > syscompat4
257 print > syscompat6
258 print > syscompat7
259 print > syscompat10
260 print > syscompat11
261 print > sysnames
262 print > systrace
263 print > systracetmp
264 print > systraceret
265 syscall = savesyscall
266 next
267 }
268 $1 ~ /^#/ {
269 print > sysent
270 print > sysdcl
271 print > sysarg
272 print > syscompat
273 print > syscompat4
274 print > syscompat6
275 print > syscompat7
276 print > syscompat10
277 print > syscompat11
278 print > sysnames
279 print > systrace
280 print > systracetmp
281 print > systraceret
282 next
283 }
284 # Returns true if the type "name" is the first flag in the type field
285 function type(name, flags, n) {
286 n = split($3, flags, /\|/)
287 return (n > 0 && flags[1] == name)
288 }
289 # Returns true if the flag "name" is set in the type field
290 function flag(name, flags, i, n) {
291 n = split($3, flags, /\|/)
292 for (i = 1; i <= n; i++)
293 if (flags[i] == name)
294 return 1
295 return 0
296 }
297 {
298 n = split($1, syscall_range, /-/)
299 if (n == 1) {
300 syscall_range[2] = syscall_range[1]
301 } else if (n == 2) {
302 if (!type("UNIMPL")) {
303 printf "%s: line %d: range permitted only with UNIMPL\n",
304 infile, NR
305 exit 1
306 }
307 } else {
308 printf "%s: line %d: invalid syscall number or range %s\n",
309 infile, NR, $1
310 exit 1
311 }
312 }
313 syscall != syscall_range[1] {
314 printf "%s: line %d: syscall number out of sync at %d\n",
315 infile, NR, syscall
316 printf "line is:\n"
317 print
318 exit 1
319 }
320 function align_sysent_comment(column) {
321 printf("\t") > sysent
322 column = column + 8 - column % 8
323 while (column < 56) {
324 printf("\t") > sysent
325 column = column + 8
326 }
327 }
328 function parserr(was, wanted) {
329 printf "%s: line %d: unexpected %s (expected %s)\n",
330 infile, NR, was, wanted
331 exit 1
332 }
333 function parseline() {
334 f=4 # toss number, type, audit event
335 argc= 0;
336 argssize = "0"
337 thr_flag = "SY_THR_STATIC"
338 if (flag("NOTSTATIC")) {
339 thr_flag = "SY_THR_ABSENT"
340 }
341 if ($NF != "}") {
342 funcalias=$(NF-2)
343 argalias=$(NF-1)
344 rettype=$NF
345 end=NF-3
346 } else {
347 funcalias=""
348 argalias=""
349 rettype="int"
350 end=NF
351 }
352 if (flag("NODEF")) {
353 auditev="AUE_NULL"
354 funcname=$4
355 argssize = "AS(" $6 ")"
356 return
357 }
358 if ($f != "{")
359 parserr($f, "{")
360 f++
361 if ($end != "}")
362 parserr($end, "}")
363 end--
364 if ($end != ";")
365 parserr($end, ";")
366 end--
367 if ($end != ")")
368 parserr($end, ")")
369 end--
370
371 syscallret=$f
372 f++
373
374 funcname=$f
375
376 #
377 # We now know the func name, so define a flags field for it.
378 # Do this before any other processing as we may return early
379 # from it.
380 #
381 for (cap in capenabled) {
382 if (funcname == capenabled[cap] ||
383 funcname == abi_func_prefix capenabled[cap]) {
384 flags = "SYF_CAPENABLED";
385 break;
386 }
387 }
388
389 if (funcalias == "")
390 funcalias = funcname
391 if (argalias == "") {
392 argalias = funcname "_args"
393 if (flag("COMPAT"))
394 argalias = "o" argalias
395 if (flag("COMPAT4"))
396 argalias = "freebsd4_" argalias
397 if (flag("COMPAT6"))
398 argalias = "freebsd6_" argalias
399 if (flag("COMPAT7"))
400 argalias = "freebsd7_" argalias
401 if (flag("COMPAT10"))
402 argalias = "freebsd10_" argalias
403 if (flag("COMPAT11"))
404 argalias = "freebsd11_" argalias
405 }
406 f++
407
408 if ($f != "(")
409 parserr($f, ")")
410 f++
411
412 if (f == end) {
413 if ($f != "void")
414 parserr($f, "argument definition")
415 return
416 }
417
418 while (f <= end) {
419 argc++
420 argtype[argc]=""
421 oldf=""
422 while (f < end && $(f+1) != ",") {
423 if (argtype[argc] != "" && oldf != "*")
424 argtype[argc] = argtype[argc]" ";
425 argtype[argc] = argtype[argc]$f;
426 oldf = $f;
427 f++
428 }
429 if (argtype[argc] == "")
430 parserr($f, "argument definition")
431
432 # The parser adds space around parens.
433 # Remove it from annotations.
434 gsub(/ \( /, "(", argtype[argc]);
435 gsub(/ \)/, ")", argtype[argc]);
436
437 #remove annotations
438 gsub(/_In[^ ]*[_)] /, "", argtype[argc]);
439 gsub(/_Out[^ ]*[_)] /, "", argtype[argc]);
440
441 argname[argc]=$f;
442 f += 2; # skip name, and any comma
443 }
444 if (argc != 0)
445 argssize = "AS(" argalias ")"
446 }
447 { comment = $4
448 if (NF < 7)
449 for (i = 5; i <= NF; i++)
450 comment = comment " " $i
451 }
452
453 #
454 # The AUE_ audit event identifier.
455 #
456 {
457 auditev = $2;
458 }
459
460 #
461 # The flags, if any.
462 #
463 {
464 flags = "0";
465 }
466
467 type("STD") || type("NODEF") || type("NOARGS") || type("NOPROTO") \
468 || type("NOSTD") {
469 parseline()
470 printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall) > systrace
471 printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systracetmp
472 printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systraceret
473 if (argc > 0) {
474 printf("\t\tswitch(ndx) {\n") > systracetmp
475 printf("\t\tstruct %s *p = params;\n", argalias) > systrace
476 for (i = 1; i <= argc; i++) {
477 arg = argtype[i]
478 sub("__restrict$", "", arg)
479 if (index(arg, "*") > 0)
480 printf("\t\tcase %d:\n\t\t\tp = \"userland %s\";\n\t\t\tbreak;\n", i - 1, arg) > systracetmp
481 else
482 printf("\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", i - 1, arg) > systracetmp
483 if (index(arg, "*") > 0 || arg == "caddr_t")
484 printf("\t\tuarg[%d] = (intptr_t) p->%s; /* %s */\n", \
485 i - 1, \
486 argname[i], arg) > systrace
487 else if (arg == "union l_semun")
488 printf("\t\tuarg[%d] = p->%s.buf; /* %s */\n", \
489 i - 1, \
490 argname[i], arg) > systrace
491 else if (substr(arg, 1, 1) == "u" || arg == "size_t")
492 printf("\t\tuarg[%d] = p->%s; /* %s */\n", \
493 i - 1, \
494 argname[i], arg) > systrace
495 else
496 printf("\t\tiarg[%d] = p->%s; /* %s */\n", \
497 i - 1, \
498 argname[i], arg) > systrace
499 }
500 printf("\t\tdefault:\n\t\t\tbreak;\n\t\t};\n") > systracetmp
501
502 printf("\t\tif (ndx == 0 || ndx == 1)\n") > systraceret
503 printf("\t\t\tp = \"%s\";\n", syscallret) > systraceret
504 printf("\t\tbreak;\n") > systraceret
505 }
506 printf("\t\t*n_args = %d;\n\t\tbreak;\n\t}\n", argc) > systrace
507 printf("\t\tbreak;\n") > systracetmp
508 if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF")) {
509 if (argc != 0) {
510 printf("struct %s {\n", argalias) > sysarg
511 for (i = 1; i <= argc; i++)
512 printf("\tchar %s_l_[PADL_(%s)]; " \
513 "%s %s; char %s_r_[PADR_(%s)];\n",
514 argname[i], argtype[i],
515 argtype[i], argname[i],
516 argname[i], argtype[i]) > sysarg
517 printf("};\n") > sysarg
518 } else
519 printf("struct %s {\n\tregister_t dummy;\n};\n",
520 argalias) > sysarg
521 }
522 if (!flag("NOPROTO") && !flag("NODEF")) {
523 if (funcname == "nosys" || funcname == "lkmnosys" ||
524 funcname == "sysarch" || funcname ~ /^freebsd/ ||
525 funcname ~ /^linux/ || funcname ~ /^ibcs2/ ||
526 funcname ~ /^xenix/ || funcname ~ /^cloudabi/) {
527 printf("%s\t%s(struct thread *, struct %s *)",
528 rettype, funcname, argalias) > sysdcl
529 } else {
530 printf("%s\tsys_%s(struct thread *, struct %s *)",
531 rettype, funcname, argalias) > sysdcl
532 }
533 printf(";\n") > sysdcl
534 printf("#define\t%sAUE_%s\t%s\n", syscallprefix,
535 funcalias, auditev) > sysaue
536 }
537 printf("\t{ %s, (sy_call_t *)", argssize) > sysent
538 column = 8 + 2 + length(argssize) + 15
539 if (flag("NOSTD")) {
540 printf("lkmressys, AUE_NULL, NULL, 0, 0, %s, SY_THR_ABSENT },", flags) > sysent
541 column = column + length("lkmressys") + length("AUE_NULL") + 3
542 } else {
543 if (funcname == "nosys" || funcname == "sysarch" ||
544 funcname == "lkmnosys" || funcname ~ /^freebsd/ ||
545 funcname ~ /^linux/ || funcname ~ /^ibcs2/ ||
546 funcname ~ /^xenix/ || funcname ~ /^cloudabi/) {
547 printf("%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent
548 column = column + length(funcname) + length(auditev) + length(flags) + 3
549 } else {
550 printf("sys_%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent
551 column = column + length(funcname) + length(auditev) + length(flags) + 3 + 4
552 }
553 }
554 align_sysent_comment(column)
555 printf("/* %d = %s */\n", syscall, funcalias) > sysent
556 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
557 funcalias, syscall, funcalias) > sysnames
558 if (!flag("NODEF")) {
559 printf("#define\t%s%s\t%d\n", syscallprefix,
560 funcalias, syscall) > syshdr
561 printf(" \\\n\t%s.o", funcalias) > sysmk
562 }
563 syscall++
564 next
565 }
566 type("COMPAT") || type("COMPAT4") || type("COMPAT6") || \
567 type("COMPAT7") || type("COMPAT10") || type("COMPAT11") {
568 if (flag("COMPAT")) {
569 ncompat++
570 out = syscompat
571 outdcl = syscompatdcl
572 wrap = "compat"
573 prefix = "o"
574 descr = "old"
575 } else if (flag("COMPAT4")) {
576 ncompat4++
577 out = syscompat4
578 outdcl = syscompat4dcl
579 wrap = "compat4"
580 prefix = "freebsd4_"
581 descr = "freebsd4"
582 } else if (flag("COMPAT6")) {
583 ncompat6++
584 out = syscompat6
585 outdcl = syscompat6dcl
586 wrap = "compat6"
587 prefix = "freebsd6_"
588 descr = "freebsd6"
589 } else if (flag("COMPAT7")) {
590 ncompat7++
591 out = syscompat7
592 outdcl = syscompat7dcl
593 wrap = "compat7"
594 prefix = "freebsd7_"
595 descr = "freebsd7"
596 } else if (flag("COMPAT10")) {
597 ncompat10++
598 out = syscompat10
599 outdcl = syscompat10dcl
600 wrap = "compat10"
601 prefix = "freebsd10_"
602 descr = "freebsd10"
603 } else if (flag("COMPAT11")) {
604 ncompat11++
605 out = syscompat11
606 outdcl = syscompat11dcl
607 wrap = "compat11"
608 prefix = "freebsd11_"
609 descr = "freebsd11"
610 }
611 parseline()
612 if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
613 !flag("NODEF")) {
614 printf("struct %s {\n", argalias) > out
615 for (i = 1; i <= argc; i++)
616 printf("\tchar %s_l_[PADL_(%s)]; %s %s; " \
617 "char %s_r_[PADR_(%s)];\n",
618 argname[i], argtype[i],
619 argtype[i], argname[i],
620 argname[i], argtype[i]) > out
621 printf("};\n") > out
622 }
623 else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
624 printf("struct %s {\n\tregister_t dummy;\n};\n",
625 argalias) > sysarg
626 if (!flag("NOPROTO") && !flag("NODEF")) {
627 printf("%s\t%s%s(struct thread *, struct %s *);\n",
628 rettype, prefix, funcname, argalias) > outdcl
629 printf("#define\t%sAUE_%s%s\t%s\n", syscallprefix,
630 prefix, funcname, auditev) > sysaue
631 }
632 if (flag("NOSTD")) {
633 printf("\t{ %s, (sy_call_t *)%s, %s, NULL, 0, 0, 0, SY_THR_ABSENT },",
634 "0", "lkmressys", "AUE_NULL") > sysent
635 align_sysent_comment(8 + 2 + length("0") + 15 + \
636 length("lkmressys") + length("AUE_NULL") + 3)
637 } else {
638 printf("\t{ %s(%s,%s), %s, NULL, 0, 0, %s, %s },",
639 wrap, argssize, funcname, auditev, flags, thr_flag) > sysent
640 align_sysent_comment(8 + 9 + length(argssize) + 1 + \
641 length(funcname) + length(auditev) + \
642 length(flags) + 4)
643 }
644 printf("/* %d = %s %s */\n", syscall, descr, funcalias) > sysent
645 printf("\t\"%s.%s\",\t\t/* %d = %s %s */\n",
646 wrap, funcalias, syscall, descr, funcalias) > sysnames
647 # Do not provide freebsdN_* symbols in libc for < FreeBSD 7
648 if (flag("COMPAT") || flag("COMPAT4") || flag("COMPAT6")) {
649 printf("\t\t\t\t/* %d is %s %s */\n",
650 syscall, descr, funcalias) > syshdr
651 } else if (!flag("NODEF")) {
652 printf("#define\t%s%s%s\t%d\n", syscallprefix,
653 prefix, funcalias, syscall) > syshdr
654 printf(" \\\n\t%s%s.o", prefix, funcalias) > sysmk
655 }
656 syscall++
657 next
658 }
659 type("OBSOL") {
660 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },") > sysent
661 align_sysent_comment(34)
662 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
663 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
664 $4, syscall, comment) > sysnames
665 printf("\t\t\t\t/* %d is obsolete %s */\n",
666 syscall, comment) > syshdr
667 syscall++
668 next
669 }
670 type("UNIMPL") {
671 while (syscall <= syscall_range[2]) {
672 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },\t\t\t/* %d = %s */\n",
673 syscall, comment) > sysent
674 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
675 syscall, syscall, comment) > sysnames
676 syscall++
677 }
678 next
679 }
680 {
681 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $3
682 exit 1
683 }
684 END {
685 printf "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n" > sysinc
686
687 if (ncompat != 0) {
688 printf "\n#ifdef %s\n", compat > sysinc
689 printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
690 printf "#else\n" > sysinc
691 printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
692 printf "#endif\n" > sysinc
693 }
694
695 if (ncompat4 != 0) {
696 printf "\n#ifdef %s\n", compat4 > sysinc
697 printf "#define compat4(n, name) n, (sy_call_t *)__CONCAT(freebsd4_,name)\n" > sysinc
698 printf "#else\n" > sysinc
699 printf "#define compat4(n, name) 0, (sy_call_t *)nosys\n" > sysinc
700 printf "#endif\n" > sysinc
701 }
702
703 if (ncompat6 != 0) {
704 printf "\n#ifdef %s\n", compat6 > sysinc
705 printf "#define compat6(n, name) n, (sy_call_t *)__CONCAT(freebsd6_,name)\n" > sysinc
706 printf "#else\n" > sysinc
707 printf "#define compat6(n, name) 0, (sy_call_t *)nosys\n" > sysinc
708 printf "#endif\n" > sysinc
709 }
710
711 if (ncompat7 != 0) {
712 printf "\n#ifdef %s\n", compat7 > sysinc
713 printf "#define compat7(n, name) n, (sy_call_t *)__CONCAT(freebsd7_,name)\n" > sysinc
714 printf "#else\n" > sysinc
715 printf "#define compat7(n, name) 0, (sy_call_t *)nosys\n" > sysinc
716 printf "#endif\n" > sysinc
717 }
718 if (ncompat10 != 0) {
719 printf "\n#ifdef %s\n", compat10 > sysinc
720 printf "#define compat10(n, name) n, (sy_call_t *)__CONCAT(freebsd10_,name)\n" > sysinc
721 printf "#else\n" > sysinc
722 printf "#define compat10(n, name) 0, (sy_call_t *)nosys\n" > sysinc
723 printf "#endif\n" > sysinc
724 }
725 if (ncompat11 != 0) {
726 printf "\n#ifdef %s\n", compat11 > sysinc
727 printf "#define compat11(n, name) n, (sy_call_t *)__CONCAT(freebsd11_,name)\n" > sysinc
728 printf "#else\n" > sysinc
729 printf "#define compat11(n, name) 0, (sy_call_t *)nosys\n" > sysinc
730 printf "#endif\n" > sysinc
731 }
732
733 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
734 printf("\n#endif /* %s */\n\n", compat4) > syscompat4dcl
735 printf("\n#endif /* %s */\n\n", compat6) > syscompat6dcl
736 printf("\n#endif /* %s */\n\n", compat7) > syscompat7dcl
737 printf("\n#endif /* %s */\n\n", compat10) > syscompat10dcl
738 printf("\n#endif /* %s */\n\n", compat11) > syscompat11dcl
739
740 printf("\n#undef PAD_\n") > sysprotoend
741 printf("#undef PADL_\n") > sysprotoend
742 printf("#undef PADR_\n") > sysprotoend
743 printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend
744
745 printf("\n") > sysmk
746 printf("};\n") > sysent
747 printf("};\n") > sysnames
748 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
749 > syshdr
750 printf "\tdefault:\n\t\t*n_args = 0;\n\t\tbreak;\n\t};\n}\n" > systrace
751 printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systracetmp
752 printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systraceret
753 } '
754
755 cat $sysinc $sysent >> $syssw
756 cat $sysarg $sysdcl \
757 $syscompat $syscompatdcl \
758 $syscompat4 $syscompat4dcl \
759 $syscompat6 $syscompat6dcl \
760 $syscompat7 $syscompat7dcl \
761 $syscompat10 $syscompat10dcl \
762 $syscompat11 $syscompat11dcl \
763 $sysaue $sysprotoend > $sysproto
764 cat $systracetmp >> $systrace
765 cat $systraceret >> $systrace
766
Cache object: d4526254cc68beb5d54350b4bacc5c1d
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