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 1.6 2003/07/24 23:52:38 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 "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
128 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
130 printf " * created from%s\n */\n\n", $0 > sysnames
131 printf "char *%s[] = {\n", namesname > sysnames
133 printf " * created from%s\n */\n\n", $0 > syshdr
135 printf "# created from%s\nMIASM = ", $0 > sysmk
137 printf " * created from%s\n */\n\n", $0 > syshide
138 printf " * created from%s\n */\n\n", $0 > sysun
139 printf "union sysunion {\n" > sysun
140 printf "\tstruct lwkt_msg lmsg;\n" > sysun
143 NF == 0 || $1 ~ /^;/ {
146 $1 ~ /^#[ ]*include/ {
158 savesyscall = syscall
169 syscall = savesyscall
183 printf "%s: line %d: syscall number out of sync at %d\n",
189 function align_sysent_comment(column) {
190 printf("\t") > sysent
191 column = column + 8 - column % 8
192 while (column < 56) {
193 printf("\t") > sysent
197 function parserr(was, wanted) {
198 printf "%s: line %d: unexpected %s (expected %s)\n",
199 infile, NR, was, wanted
202 function parseline() {
203 f=4 # toss number and type
219 argssize = "AS(" $6 ")"
235 f++ #function return type
241 if (argalias == "") {
242 argalias = funcname "_args"
243 if ($2 == "COMPAT") {
244 argalias = "o" argalias
245 usefuncname = "o" funcname
256 parserr($f, "argument definition")
264 while (f < end && $(f+1) != ",") {
265 if (argtype[argc] != "" && oldf != "*")
266 argtype[argc] = argtype[argc]" ";
267 argtype[argc] = argtype[argc]$f;
271 if (argtype[argc] == "")
272 parserr($f, "argument definition")
274 f += 2; # skip name, and any comma
277 argssize = "AS(" argalias ")"
281 for (i = 5; i <= NF; i++)
282 comment = comment " " $i
284 # if the "MPSAFE" keyword is found, note it and shift the line
287 for (i = 2; i <= NF; i++)
290 mpsafe = "SYF_MPSAFE | "
292 $2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "NOPROTO" \
295 if ((!nosys || funcname != "nosys") && \
296 (funcname != "lkmnosys")) {
297 if (argc != 0 && $2 != "NOARGS" && $2 != "NOPROTO") {
298 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
299 printf("struct\t%s {\n", argalias) > sysarg
300 printf("\tstruct lwkt_msg lmsg;\n") > sysarg
301 for (i = 1; i <= argc; i++)
302 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
303 argtype[i], argname[i],
304 argname[i], argtype[i]) > sysarg
305 printf("};\n") > sysarg
307 else if ($2 != "NOARGS" && $2 != "NOPROTO" && \
309 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
310 printf("struct\t%s {\n", argalias) > sysarg
311 printf("\tstruct lwkt_msg lmsg;\n") > sysarg
312 printf("\tregister_t dummy;\n") > sysarg
313 printf("};\n") > sysarg
316 if (($2 != "NOPROTO" && $2 != "NODEF" && \
317 (funcname != "nosys" || !nosys)) || \
318 (funcname == "lkmnosys" && !lkmnosys) || \
319 funcname == "lkmressys") {
320 printf("%s\t%s __P((struct %s *))",
321 rettype, funcname, argalias) > sysdcl
322 printf(";\n") > sysdcl
324 if (funcname == "nosys")
326 if (funcname == "lkmnosys")
328 printf("\t{ %s%s, (sy_call_t *)", mpsafe, argssize) > sysent
329 column = 8 + 2 + length(mpsafe) + length(argssize) + 15
330 if ($2 != "NOIMPL") {
331 printf("%s },", funcname) > sysent
332 column = column + length(funcname) + 3
334 printf("%s },", "nosys") > sysent
335 column = column + length("nosys") + 3
337 align_sysent_comment(column)
338 printf("/* %d = %s */\n", syscall, funcalias) > sysent
339 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
340 funcalias, syscall, funcalias) > sysnames
342 printf("#define\t%s%s\t%d\n", syscallprefix,
343 funcalias, syscall) > syshdr
344 printf(" \\\n\t%s.o", funcalias) > sysmk
347 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
351 $2 == "COMPAT" || $2 == "CPT_NOA" {
354 if (argc != 0 && $2 != "CPT_NOA") {
355 printf("#ifdef %s\n", compat) > sysun
356 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
357 printf("#endif\n") > sysun
358 printf("struct\t%s {\n", argalias) > syscompat
359 printf("\tstruct lwkt_msg lmsg;\n") > syscompat
360 for (i = 1; i <= argc; i++)
361 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
362 argtype[i], argname[i],
363 argname[i], argtype[i]) > syscompat
364 printf("};\n") > syscompat
366 else if($2 != "CPT_NOA") {
367 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
368 printf("struct\t%s {\n", argalias) > sysarg
369 printf("\tstruct lwkt_msg lmsg;\n") > sysarg
370 printf("\tregister_t dummy;\n") > sysarg
371 printf("};\n") > sysarg
373 printf("%s\to%s __P((struct %s *));\n",
374 rettype, funcname, argalias) > syscompatdcl
375 printf("\t{ compat(%s%s,%s) },",
376 mpsafe, argssize, funcname) > sysent
377 align_sysent_comment(8 + 9 + length(mpsafe) + \
378 length(argssize) + 1 + length(funcname) + 4)
379 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
380 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
381 funcalias, syscall, funcalias) > sysnames
382 printf("\t\t\t\t/* %d is old %s */\n",
383 syscall, funcalias) > syshdr
385 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
392 printf("%s\to%s();\n", rettype, funcname) > syscompatdcl
393 printf("\t{ compat(%s%s,%s) },",
394 mpsafe, argssize, funcname) > sysent
395 align_sysent_comment(8 + 9 + length(mpsafe) + \
396 length(argssize) + 1 + length(funcname) + 4)
397 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
398 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
399 funcalias, syscall, funcalias) > sysnames
400 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n",
401 syscallprefix, funcalias, syscall) > syshdr
402 printf(" \\\n\t%s.o", funcalias) > sysmk
404 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
409 printf("\t{ 0, (sy_call_t *)nosys },") > sysent
410 align_sysent_comment(34)
411 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
412 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
413 $4, syscall, comment) > sysnames
414 printf("\t\t\t\t/* %d is obsolete %s */\n",
415 syscall, comment) > syshdr
417 printf("HIDE_%s(%s)\n", $3, $4) > syshide
422 printf("\t{ 0, (sy_call_t *)nosys },\t\t\t/* %d = %s */\n",
423 syscall, comment) > sysent
424 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
425 syscall, syscall, comment) > sysnames
427 printf("HIDE_%s(%s)\n", $3, $4) > syshide
432 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2
436 printf "\n#define AS(name) ((sizeof(struct name) - sizeof(struct lwkt_msg)) / sizeof(register_t))\n" > sysinc
438 printf "#include \"opt_compat.h\"\n\n" > syssw
439 printf "\n#ifdef %s\n", compat > sysinc
440 printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
441 printf "#else\n" > sysinc
442 printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
443 printf "#endif\n" > sysinc
446 printf("\n#endif /* _KERNEL */\n") > syscompatdcl
447 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
448 printf("#undef PAD_\n") > syscompatdcl
449 printf("\n#endif /* !%s */\n", sysproto_h) > syscompatdcl
452 printf("};\n") > sysent
453 printf("};\n") > sysnames
454 printf("};\n") > sysun
455 printf("\n#endif /* _KERNEL */\n") > sysdcl
456 printf("\ntypedef union sysunion *sysmsg_t;\n") > sysun
457 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
461 cat $sysinc $sysent >> $syssw
462 cat $sysarg $sysdcl $syscompat $syscompatdcl > $sysproto
463 cat $sysun > $sysunion