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 1.10 2003/11/20 06:05:30 dillon Exp $
8 # name of compat option:
13 sysproto="../sys/sysproto.h"
14 sysunion="../sys/sysunion.h"
15 sysproto_h=_SYS_SYSPROTO_H_
16 syshdr="../sys/syscall.h"
17 sysmk="../sys/syscall.mk"
19 syshide="../sys/syscall-hide.h"
22 namesname="syscallnames"
25 sysdcl="sysent.dcl.$$"
26 syscompat="sysent.compat.$$"
27 syscompatdcl="sysent.compatdcl.$$"
28 sysent="sysent.switch.$$"
29 sysinc="sysinc.switch.$$"
30 sysarg="sysarg.switch.$$"
31 sysun="sysunion.switch.$$"
33 trap "rm $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg $sysun" 0
35 touch $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg $sysun
38 0) echo "Usage: $0 input-file <config-file>" 1>&2
43 if [ -n "$2" -a -f "$2" ]; then
57 /^#/!s/\([{}()*,]\)/ \1 /g
62 sysproto = \"$sysproto\"
63 sysproto_h = \"$sysproto_h\"
64 syscompat = \"$syscompat\"
65 syscompatdcl = \"$syscompatdcl\"
71 sysnames = \"$sysnames\"
75 syshide = \"$syshide\"
76 syscallprefix = \"$syscallprefix\"
77 switchname = \"$switchname\"
78 namesname = \"$namesname\"
82 printf "/*\n * System call switch table.\n *\n" > syssw
83 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syssw
84 printf " * \$\DragonFly\$\n" > syssw
86 printf "/*\n * System call prototypes.\n *\n" > sysarg
87 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysarg
88 printf " * \$\DragonFly\$\n" > sysarg
90 printf "\n#ifdef %s\n\n", compat > syscompat
92 printf "/*\n * System call names.\n *\n" > sysnames
93 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames
94 printf " * \$\DragonFly\$\n" > sysnames
96 printf "/*\n * System call numbers.\n *\n" > syshdr
97 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr
98 printf " * \$\DragonFly\$\n" > syshdr
99 printf "# DragonFly system call names.\n" > sysmk
100 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysmk
101 printf "# \$\DragonFly\$\n" > sysmk
102 printf "/*\n * System call hiders.\n *\n" > syshide
103 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshide
104 printf " * \$\DragonFly\$\n" > syshide
106 printf "/*\n * Union of syscall args for messaging.\n *\n" > sysun
107 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysun
108 printf " * \$\DragonFly\$\n" > sysun
109 printf "\n#ifdef _KERNEL\n\n" > sysdcl
110 printf "\n#ifdef _KERNEL\n\n" > syscompatdcl
113 gsub("[$]DragonFly: ", "", $0)
116 printf " * created from%s\n */\n\n", $0 > syssw
118 printf "\n/* The casts are bogus but will do for now. */\n" > sysent
119 printf "struct sysent %s[] = {\n",switchname > sysent
121 printf " * created from%s\n */\n\n", $0 > sysarg
122 printf "#ifndef %s\n", sysproto_h > sysarg
123 printf "#define\t%s\n\n", sysproto_h > sysarg
124 printf "#include <sys/signal.h>\n\n" > sysarg
125 printf "#include <sys/acl.h>\n\n" > sysarg
126 printf "#include <sys/msgport.h>\n\n" > sysarg
127 printf "#include <sys/sysmsg.h>\n\n" > sysarg
128 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
129 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
131 printf " * created from%s\n */\n\n", $0 > sysnames
132 printf "char *%s[] = {\n", namesname > sysnames
134 printf " * created from%s\n */\n\n", $0 > syshdr
136 printf "# created from%s\nMIASM = ", $0 > sysmk
138 printf " * created from%s\n */\n\n", $0 > syshide
139 printf " * created from%s\n */\n\n", $0 > sysun
140 printf "union sysunion {\n" > sysun
141 printf "#ifdef _KERNEL /* header only applies in kernel */\n" > sysun
142 printf "\tstruct\tlwkt_msg lmsg;\n" > sysun
143 printf "\tstruct\tsysmsg sysmsg;\n" > sysun
144 printf "#endif\n" > sysun
147 NF == 0 || $1 ~ /^;/ {
150 $1 ~ /^#[ ]*include/ {
162 savesyscall = syscall
173 syscall = savesyscall
187 printf "%s: line %d: syscall number out of sync at %d\n",
193 function align_sysent_comment(column) {
194 printf("\t") > sysent
195 column = column + 8 - column % 8
196 while (column < 56) {
197 printf("\t") > sysent
201 function parserr(was, wanted) {
202 printf "%s: line %d: unexpected %s (expected %s)\n",
203 infile, NR, was, wanted
206 function parseline() {
207 f=4 # toss number and type
223 argssize = "AS(" $6 ")"
239 f++ #function return type
245 if (argalias == "") {
246 argalias = funcname "_args"
247 if ($2 == "COMPAT") {
248 argalias = "o" argalias
249 usefuncname = "o" funcname
260 parserr($f, "argument definition")
268 while (f < end && $(f+1) != ",") {
269 if (argtype[argc] != "" && oldf != "*")
270 argtype[argc] = argtype[argc]" ";
271 argtype[argc] = argtype[argc]$f;
275 if (argtype[argc] == "")
276 parserr($f, "argument definition")
278 f += 2; # skip name, and any comma
281 argssize = "AS(" argalias ")"
285 for (i = 5; i <= NF; i++)
286 comment = comment " " $i
288 # if the "MPSAFE" keyword is found, note it and shift the line
291 for (i = 2; i <= NF; i++)
294 mpsafe = "SYF_MPSAFE | "
296 $2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "NOPROTO" \
299 if ((!nosys || funcname != "nosys") && \
300 (funcname != "lkmnosys")) {
301 if (argc != 0 && $2 != "NOARGS" && $2 != "NOPROTO") {
302 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
303 printf("struct\t%s {\n", argalias) > sysarg
304 printf("#ifdef _KERNEL\n") > sysarg
305 printf("\tstruct sysmsg sysmsg;\n") > sysarg
306 printf("#endif\n") > sysarg
307 printf("\tunion usrmsg usrmsg;\n") > sysarg
308 for (i = 1; i <= argc; i++)
309 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
310 argtype[i], argname[i],
311 argname[i], argtype[i]) > sysarg
312 printf("};\n") > sysarg
314 else if ($2 != "NOARGS" && $2 != "NOPROTO" && \
316 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
317 printf("struct\t%s {\n", argalias) > sysarg
318 printf("#ifdef _KERNEL\n") > sysarg
319 printf("\tstruct sysmsg sysmsg;\n") > sysarg
320 printf("#endif\n") > sysarg
321 printf("\tunion usrmsg usrmsg;\n") > sysarg
322 printf("\tregister_t dummy;\n") > sysarg
323 printf("};\n") > sysarg
326 if (($2 != "NOPROTO" && $2 != "NODEF" && \
327 (funcname != "nosys" || !nosys)) || \
328 (funcname == "lkmnosys" && !lkmnosys) || \
329 funcname == "lkmressys") {
330 printf("%s\t%s (struct %s *)",
331 rettype, funcname, argalias) > sysdcl
332 printf(";\n") > sysdcl
334 if (funcname == "nosys")
336 if (funcname == "lkmnosys")
338 printf("\t{ %s%s, (sy_call_t *)", mpsafe, argssize) > sysent
339 column = 8 + 2 + length(mpsafe) + length(argssize) + 15
340 if ($2 != "NOIMPL") {
341 printf("%s },", funcname) > sysent
342 column = column + length(funcname) + 3
344 printf("%s },", "nosys") > sysent
345 column = column + length("nosys") + 3
347 align_sysent_comment(column)
348 printf("/* %d = %s */\n", syscall, funcalias) > sysent
349 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
350 funcalias, syscall, funcalias) > sysnames
352 printf("#define\t%s%s\t%d\n", syscallprefix,
353 funcalias, syscall) > syshdr
354 printf(" \\\n\t%s.o", funcalias) > sysmk
357 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
361 $2 == "COMPAT" || $2 == "CPT_NOA" {
364 if (argc != 0 && $2 != "CPT_NOA") {
365 printf("#ifdef %s\n", compat) > sysun
366 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
367 printf("#endif\n") > sysun
368 printf("struct\t%s {\n", argalias) > syscompat
369 printf("#ifdef _KERNEL\n") > syscompat
370 printf("\tstruct sysmsg sysmsg;\n") > syscompat
371 printf("#endif\n") > syscompat
372 printf("\tunion usrmsg usrmsg;\n") > syscompat
373 for (i = 1; i <= argc; i++)
374 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
375 argtype[i], argname[i],
376 argname[i], argtype[i]) > syscompat
377 printf("};\n") > syscompat
379 else if($2 != "CPT_NOA") {
380 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
381 printf("struct\t%s {\n", argalias) > sysarg
382 printf("#ifdef _KERNEL\n") > sysarg
383 printf("\tstruct sysmsg sysmsg;\n") > sysarg
384 printf("#endif\n") > sysarg
385 printf("\tunion usrmsg usrmsg;\n") > sysarg
386 printf("\tregister_t dummy;\n") > sysarg
387 printf("};\n") > sysarg
389 printf("%s\to%s (struct %s *);\n",
390 rettype, funcname, argalias) > syscompatdcl
391 printf("\t{ compat(%s%s,%s) },",
392 mpsafe, argssize, funcname) > sysent
393 align_sysent_comment(8 + 9 + length(mpsafe) + \
394 length(argssize) + 1 + length(funcname) + 4)
395 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
396 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
397 funcalias, syscall, funcalias) > sysnames
398 printf("\t\t\t\t/* %d is old %s */\n",
399 syscall, funcalias) > syshdr
401 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
408 printf("%s\to%s();\n", rettype, funcname) > syscompatdcl
409 printf("\t{ compat(%s%s,%s) },",
410 mpsafe, argssize, funcname) > sysent
411 align_sysent_comment(8 + 9 + length(mpsafe) + \
412 length(argssize) + 1 + length(funcname) + 4)
413 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
414 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
415 funcalias, syscall, funcalias) > sysnames
416 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n",
417 syscallprefix, funcalias, syscall) > syshdr
418 printf(" \\\n\t%s.o", funcalias) > sysmk
420 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
425 printf("\t{ 0, (sy_call_t *)nosys },") > sysent
426 align_sysent_comment(34)
427 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
428 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
429 $4, syscall, comment) > sysnames
430 printf("\t\t\t\t/* %d is obsolete %s */\n",
431 syscall, comment) > syshdr
433 printf("HIDE_%s(%s)\n", $3, $4) > syshide
438 printf("\t{ 0, (sy_call_t *)nosys },\t\t\t/* %d = %s */\n",
439 syscall, comment) > sysent
440 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
441 syscall, syscall, comment) > sysnames
443 printf("HIDE_%s(%s)\n", $3, $4) > syshide
448 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2
452 printf "\n#define AS(name) ((sizeof(struct name) - sizeof(struct sysmsg) - sizeof(union usrmsg)) / sizeof(register_t))\n" > sysinc
454 printf "#include \"opt_compat.h\"\n\n" > syssw
455 printf "\n#ifdef %s\n", compat > sysinc
456 printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
457 printf "#else\n" > sysinc
458 printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
459 printf "#endif\n" > sysinc
462 printf("\n#endif /* _KERNEL */\n") > syscompatdcl
463 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
464 printf("#undef PAD_\n") > syscompatdcl
465 printf("\n#endif /* !%s */\n", sysproto_h) > syscompatdcl
468 printf("};\n") > sysent
469 printf("};\n") > sysnames
470 printf("};\n") > sysun
471 printf("\n#endif /* _KERNEL */\n") > sysdcl
472 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
476 cat $sysinc $sysent >> $syssw
477 cat $sysarg $sysdcl $syscompat $syscompatdcl > $sysproto
478 cat $sysun > $sysunion