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 1.3 2003/06/17 05:21:46 dillon Exp $
8 # name of compat option:
13 sysproto="../sys/sysproto.h"
14 sysproto_h=_SYS_SYSPROTO_H_
15 syshdr="../sys/syscall.h"
16 sysmk="../sys/syscall.mk"
18 syshide="../sys/syscall-hide.h"
21 namesname="syscallnames"
24 sysdcl="sysent.dcl.$$"
25 syscompat="sysent.compat.$$"
26 syscompatdcl="sysent.compatdcl.$$"
27 sysent="sysent.switch.$$"
28 sysinc="sysinc.switch.$$"
29 sysarg="sysarg.switch.$$"
31 trap "rm $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg" 0
33 touch $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg
36 0) echo "Usage: $0 input-file <config-file>" 1>&2
41 if [ -n "$2" -a -f "$2" ]; then
55 /^#/!s/\([{}()*,]\)/ \1 /g
60 sysproto = \"$sysproto\"
61 sysproto_h = \"$sysproto_h\"
62 syscompat = \"$syscompat\"
63 syscompatdcl = \"$syscompatdcl\"
68 sysnames = \"$sysnames\"
72 syshide = \"$syshide\"
73 syscallprefix = \"$syscallprefix\"
74 switchname = \"$switchname\"
75 namesname = \"$namesname\"
79 printf "/*\n * System call switch table.\n *\n" > syssw
80 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syssw
81 printf " * \$\TurtleBSD\$\n" > syssw
83 printf "/*\n * System call prototypes.\n *\n" > sysarg
84 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysarg
85 printf " * \$\TurtleBSD\$\n" > sysarg
87 printf "\n#ifdef %s\n\n", compat > syscompat
89 printf "/*\n * System call names.\n *\n" > sysnames
90 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames
91 printf " * \$\TurtleBSD\$\n" > sysnames
93 printf "/*\n * System call numbers.\n *\n" > syshdr
94 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr
95 printf " * \$\TurtleBSD\$\n" > syshdr
96 printf "# TurtleBSD system call names.\n" > sysmk
97 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysmk
98 printf "# \$\TurtleBSD\$\n" > sysmk
99 printf "/*\n * System call hiders.\n *\n" > syshide
100 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshide
101 printf " * \$\TurtleBSD\$\n" > syshide
104 gsub("[$]TurtleBSD: ", "", $0)
107 printf " * created from%s\n */\n\n", $0 > syssw
109 printf "\n/* The casts are bogus but will do for now. */\n" > sysent
110 printf "struct sysent %s[] = {\n",switchname > sysent
112 printf " * created from%s\n */\n\n", $0 > sysarg
113 printf "#ifndef %s\n", sysproto_h > sysarg
114 printf "#define\t%s\n\n", sysproto_h > sysarg
115 printf "#include <sys/signal.h>\n\n" > sysarg
116 printf "#include <sys/acl.h>\n\n" > sysarg
117 printf "struct proc;\n\n" > sysarg
118 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
119 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
121 printf " * created from%s\n */\n\n", $0 > sysnames
122 printf "char *%s[] = {\n", namesname > sysnames
124 printf " * created from%s\n */\n\n", $0 > syshdr
126 printf "# created from%s\nMIASM = ", $0 > sysmk
128 printf " * created from%s\n */\n\n", $0 > syshide
131 NF == 0 || $1 ~ /^;/ {
134 $1 ~ /^#[ ]*include/ {
145 savesyscall = syscall
155 syscall = savesyscall
168 printf "%s: line %d: syscall number out of sync at %d\n",
174 function align_sysent_comment(column) {
175 printf("\t") > sysent
176 column = column + 8 - column % 8
177 while (column < 56) {
178 printf("\t") > sysent
182 function parserr(was, wanted) {
183 printf "%s: line %d: unexpected %s (expected %s)\n",
184 infile, NR, was, wanted
187 function parseline() {
188 f=4 # toss number and type
204 argssize = "AS(" $6 ")"
220 f++ #function return type
225 if (argalias == "") {
226 argalias = funcname "_args"
228 argalias = "o" argalias
238 parserr($f, "argument definition")
246 while (f < end && $(f+1) != ",") {
247 if (argtype[argc] != "" && oldf != "*")
248 argtype[argc] = argtype[argc]" ";
249 argtype[argc] = argtype[argc]$f;
253 if (argtype[argc] == "")
254 parserr($f, "argument definition")
256 f += 2; # skip name, and any comma
259 argssize = "AS(" argalias ")"
263 for (i = 5; i <= NF; i++)
264 comment = comment " " $i
266 # if the "MPSAFE" keyword is found, note it and shift the line
269 for (i = 2; i <= NF; i++)
272 mpsafe = "SYF_MPSAFE | "
274 $2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "NOPROTO" \
277 if ((!nosys || funcname != "nosys") && \
278 (funcname != "lkmnosys")) {
279 if (argc != 0 && $2 != "NOARGS" && $2 != "NOPROTO") {
280 printf("struct\t%s {\n", argalias) > sysarg
281 for (i = 1; i <= argc; i++)
282 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
283 argtype[i], argname[i],
284 argname[i], argtype[i]) > sysarg
285 printf("};\n") > sysarg
287 else if ($2 != "NOARGS" && $2 != "NOPROTO" && \
289 printf("struct\t%s {\n\tregister_t dummy;\n};\n",
292 if (($2 != "NOPROTO" && $2 != "NODEF" && \
293 (funcname != "nosys" || !nosys)) || \
294 (funcname == "lkmnosys" && !lkmnosys) || \
295 funcname == "lkmressys") {
296 printf("%s\t%s __P((struct proc *, struct %s *))",
297 rettype, funcname, argalias) > sysdcl
298 printf(";\n") > sysdcl
300 if (funcname == "nosys")
302 if (funcname == "lkmnosys")
304 printf("\t{ %s%s, (sy_call_t *)", mpsafe, argssize) > sysent
305 column = 8 + 2 + length(mpsafe) + length(argssize) + 15
306 if ($2 != "NOIMPL") {
307 printf("%s },", funcname) > sysent
308 column = column + length(funcname) + 3
310 printf("%s },", "nosys") > sysent
311 column = column + length("nosys") + 3
313 align_sysent_comment(column)
314 printf("/* %d = %s */\n", syscall, funcalias) > sysent
315 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
316 funcalias, syscall, funcalias) > sysnames
318 printf("#define\t%s%s\t%d\n", syscallprefix,
319 funcalias, syscall) > syshdr
320 printf(" \\\n\t%s.o", funcalias) > sysmk
323 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
327 $2 == "COMPAT" || $2 == "CPT_NOA" {
330 if (argc != 0 && $2 != "CPT_NOA") {
331 printf("struct\t%s {\n", argalias) > syscompat
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]) > syscompat
336 printf("};\n") > syscompat
338 else if($2 != "CPT_NOA")
339 printf("struct\t%s {\n\tregister_t dummy;\n};\n",
341 printf("%s\to%s __P((struct proc *, struct %s *));\n",
342 rettype, funcname, argalias) > syscompatdcl
343 printf("\t{ compat(%s%s,%s) },",
344 mpsafe, argssize, funcname) > sysent
345 align_sysent_comment(8 + 9 + length(mpsafe) + \
346 length(argssize) + 1 + length(funcname) + 4)
347 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
348 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
349 funcalias, syscall, funcalias) > sysnames
350 printf("\t\t\t\t/* %d is old %s */\n",
351 syscall, funcalias) > syshdr
353 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
360 printf("%s\to%s();\n", rettype, funcname) > syscompatdcl
361 printf("\t{ compat(%s%s,%s) },",
362 mpsafe, argssize, funcname) > sysent
363 align_sysent_comment(8 + 9 + length(mpsafe) + \
364 length(argssize) + 1 + length(funcname) + 4)
365 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
366 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
367 funcalias, syscall, funcalias) > sysnames
368 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n",
369 syscallprefix, funcalias, syscall) > syshdr
370 printf(" \\\n\t%s.o", funcalias) > sysmk
372 printf("HIDE_%s(%s)\n", $3, funcname) > syshide
377 printf("\t{ 0, (sy_call_t *)nosys },") > sysent
378 align_sysent_comment(34)
379 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
380 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
381 $4, syscall, comment) > sysnames
382 printf("\t\t\t\t/* %d is obsolete %s */\n",
383 syscall, comment) > syshdr
385 printf("HIDE_%s(%s)\n", $3, $4) > syshide
390 printf("\t{ 0, (sy_call_t *)nosys },\t\t\t/* %d = %s */\n",
391 syscall, comment) > sysent
392 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
393 syscall, syscall, comment) > sysnames
395 printf("HIDE_%s(%s)\n", $3, $4) > syshide
400 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2
404 printf "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n" > sysinc
406 printf "#include \"opt_compat.h\"\n\n" > syssw
407 printf "\n#ifdef %s\n", compat > sysinc
408 printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
409 printf "#else\n" > sysinc
410 printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
411 printf "#endif\n" > sysinc
414 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
415 printf("#undef PAD_\n") > syscompatdcl
416 printf("\n#endif /* !%s */\n", sysproto_h) > syscompatdcl
419 printf("};\n") > sysent
420 printf("};\n") > sysnames
421 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
425 cat $sysinc $sysent >> $syssw
426 cat $sysarg $sysdcl $syscompat $syscompatdcl > $sysproto