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 $
7 # name of compat option:
12 sysproto="../sys/sysproto.h"
13 sysunion="../sys/sysunion.h"
14 sysproto_h=_SYS_SYSPROTO_H_
15 syshdr="../sys/syscall.h"
16 sysmk="../sys/syscall.mk"
20 namesname="syscallnames"
23 sysdcl="sysent.dcl.$$"
24 syscompat="sysent.compat.$$"
25 syscompatdcl="sysent.compatdcl.$$"
26 sysent="sysent.switch.$$"
27 sysinc="sysinc.switch.$$"
28 sysarg="sysarg.switch.$$"
29 sysun="sysunion.switch.$$"
31 trap "rm $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg $sysun" 0
33 touch $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg $sysun
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\"
69 sysnames = \"$sysnames\"
73 syscallprefix = \"$syscallprefix\"
74 switchname = \"$switchname\"
75 namesname = \"$namesname\"
79 printf "/*\n * System call switch table.\n *\n" > syssw
80 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > syssw
81 printf " * by running make sysent in the same directory.\n" > syssw
82 printf " */\n\n" > syssw
84 printf "/*\n * System call prototypes.\n *\n" > sysarg
85 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > sysarg
86 printf " * by running make sysent in the same directory.\n" > sysarg
87 printf " */\n\n" > sysarg
88 printf "#ifndef %s\n", sysproto_h > sysarg
89 printf "#define\t%s\n\n", sysproto_h > sysarg
90 printf "#include <sys/select.h>\n\n" > sysarg
91 printf "#include <sys/signal.h>\n\n" > sysarg
92 printf "#include <sys/acl.h>\n\n" > sysarg
93 printf "#include <sys/msgport.h>\n\n" > sysarg
94 printf "#include <sys/sysmsg.h>\n\n" > sysarg
95 printf "#include <sys/syslink.h>\n\n" > sysarg
96 printf "#include <sys/procctl.h>\n\n" > sysarg
97 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
98 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
100 printf "\n#ifdef %s\n\n", compat > syscompat
102 printf "/*\n * System call names.\n *\n" > sysnames
103 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > sysnames
104 printf " * by running make sysent in the same directory.\n" > sysnames
105 printf " */\n\n" > sysnames
106 printf "const char *%s[] = {\n", namesname > sysnames
108 printf "/*\n * System call numbers.\n *\n" > syshdr
109 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > syshdr
110 printf " * by running make sysent in the same directory.\n" > syshdr
111 printf " */\n\n" > syshdr
113 printf "# DragonFly system call names.\n" > sysmk
114 printf "# DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > sysmk
115 printf "# by running make sysent in the same directory.\n" > sysmk
116 printf "MIASM = " > sysmk
118 printf "/*\n * Union of syscall args for messaging.\n *\n" > sysun
119 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > sysun
120 printf " * by running make sysent in the same directory.\n" > sysun
121 printf " */\n\n" > sysun
122 printf "union sysunion {\n" > sysun
123 printf "#ifdef _KERNEL /* header only applies in kernel */\n" > sysun
124 printf "\tstruct\tlwkt_msg lmsg;\n" > sysun
125 printf "\tstruct\tsysmsg sysmsg;\n" > sysun
126 printf "#endif\n" > sysun
128 printf "\n/* The casts are bogus but will do for now. */\n" > sysent
129 printf "struct sysent %s[] = {\n",switchname > sysent
131 printf "\n#ifdef _KERNEL\n\n" > sysdcl
132 printf "\n#ifdef _KERNEL\n\n" > syscompatdcl
134 NF == 0 || $1 ~ /^;/ {
137 $1 ~ /^#[ ]*include/ {
148 savesyscall = syscall
158 syscall = savesyscall
171 printf "%s: line %d: syscall number out of sync at %d\n",
177 function align_sysent_comment(column) {
178 printf("\t") > sysent
179 column = column + 8 - column % 8
180 while (column < 56) {
181 printf("\t") > sysent
185 function parserr(was, wanted) {
186 printf "%s: line %d: unexpected %s (expected %s)\n",
187 infile, NR, was, wanted
190 function parseline() {
191 f=3 # toss number and type
207 argssize = "AS(" $5 ")"
223 f++ #function return type
229 if (argalias == "") {
230 argalias = funcname "_args"
231 if ($2 == "COMPAT") {
232 argalias = "o" argalias
233 usefuncname = "sys_o" funcname
244 parserr($f, "argument definition")
252 while (f < end && $(f+1) != ",") {
253 if (argtype[argc] != "" && oldf != "*")
254 argtype[argc] = argtype[argc]" ";
255 argtype[argc] = argtype[argc]$f;
259 if (argtype[argc] == "")
260 parserr($f, "argument definition")
262 f += 2; # skip name, and any comma
265 argssize = "AS(" argalias ")"
269 for (i = 4; i <= NF; i++)
270 comment = comment " " $i
272 $2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "NOPROTO" \
275 if ((!nosys || funcname != "nosys") && \
276 (funcname != "lkmnosys")) {
277 if (argc != 0 && $2 != "NOARGS" && $2 != "NOPROTO") {
278 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
279 printf("struct\t%s {\n", argalias) > sysarg
280 printf("#ifdef _KERNEL\n") > sysarg
281 printf("\tstruct sysmsg sysmsg;\n") > sysarg
282 printf("#endif\n") > sysarg
283 for (i = 1; i <= argc; i++)
284 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
285 argtype[i], argname[i],
286 argname[i], argtype[i]) > sysarg
287 printf("};\n") > sysarg
289 else if ($2 != "NOARGS" && $2 != "NOPROTO" && \
291 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
292 printf("struct\t%s {\n", argalias) > sysarg
293 printf("#ifdef _KERNEL\n") > sysarg
294 printf("\tstruct sysmsg sysmsg;\n") > sysarg
295 printf("#endif\n") > sysarg
296 printf("\tregister_t dummy;\n") > sysarg
297 printf("};\n") > sysarg
300 if (($2 != "NOPROTO" && $2 != "NODEF" && \
301 (funcname != "nosys" || !nosys)) || \
302 (funcname == "lkmnosys" && !lkmnosys) || \
303 funcname == "lkmressys") {
304 printf("%s\tsys_%s (struct %s *)",
305 rettype, funcname, argalias) > sysdcl
306 printf(";\n") > sysdcl
308 if (funcname == "nosys")
310 if (funcname == "lkmnosys")
312 printf("\t{ %s, (sy_call_t *)", argssize) > sysent
313 column = 8 + 2 + length(argssize) + 15
314 if ($2 != "NOIMPL") {
315 printf("sys_%s },", funcname) > sysent
316 column = column + length(funcname) + 7
318 printf("sys_%s },", "nosys") > sysent
319 column = column + length("nosys") + 7
321 align_sysent_comment(column)
322 printf("/* %d = %s */\n", syscall, funcalias) > sysent
323 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
324 funcalias, syscall, funcalias) > sysnames
326 printf("#define\t%s%s\t%d\n", syscallprefix,
327 funcalias, syscall) > syshdr
328 printf(" \\\n\t%s.o", funcalias) > sysmk
333 $2 == "COMPAT" || $2 == "CPT_NOA" {
336 if (argc != 0 && $2 != "CPT_NOA") {
337 printf("#ifdef %s\n", compat) > sysun
338 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
339 printf("#endif\n") > sysun
340 printf("struct\t%s {\n", argalias) > syscompat
341 printf("#ifdef _KERNEL\n") > syscompat
342 printf("\tstruct sysmsg sysmsg;\n") > syscompat
343 printf("#endif\n") > syscompat
344 for (i = 1; i <= argc; i++)
345 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
346 argtype[i], argname[i],
347 argname[i], argtype[i]) > syscompat
348 printf("};\n") > syscompat
350 else if($2 != "CPT_NOA") {
351 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
352 printf("struct\t%s {\n", argalias) > sysarg
353 printf("#ifdef _KERNEL\n") > sysarg
354 printf("\tstruct sysmsg sysmsg;\n") > sysarg
355 printf("#endif\n") > sysarg
356 printf("\tregister_t dummy;\n") > sysarg
357 printf("};\n") > sysarg
359 printf("%s\tsys_o%s (struct %s *);\n",
360 rettype, funcname, argalias) > syscompatdcl
361 printf("\t{ compat(%s,%s) },",
362 argssize, funcname) > sysent
363 align_sysent_comment(8 + 9 + \
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("\t\t\t\t/* %d is old %s */\n",
369 syscall, funcalias) > syshdr
376 printf("%s\tsys_o%s();\n", rettype, funcname) > syscompatdcl
377 printf("\t{ compat(%s,%s) },",
378 argssize, funcname) > sysent
379 align_sysent_comment(8 + 9 + \
380 length(argssize) + 1 + length(funcname) + 4)
381 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
382 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
383 funcalias, syscall, funcalias) > sysnames
384 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n",
385 syscallprefix, funcalias, syscall) > syshdr
386 printf(" \\\n\t%s.o", funcalias) > sysmk
391 printf("\t{ 0, (sy_call_t *)sys_nosys },") > sysent
392 align_sysent_comment(37)
393 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
394 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
395 $3, syscall, comment) > sysnames
396 printf("\t\t\t\t/* %d is obsolete %s */\n",
397 syscall, comment) > syshdr
402 printf("\t{ 0, (sy_call_t *)sys_nosys },\t\t\t/* %d = %s */\n",
403 syscall, comment) > sysent
404 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
405 syscall, syscall, comment) > sysnames
410 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2
414 printf "\n#define AS(name) ((sizeof(struct name) - sizeof(struct sysmsg)) / sizeof(register_t))\n" > sysinc
416 printf "#include \"opt_compat.h\"\n\n" > syssw
417 printf "\n#ifdef %s\n", compat > sysinc
418 printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(sys_,__CONCAT(o,name))\n" > sysinc
419 printf "#else\n" > sysinc
420 printf "#define compat(n, name) 0, (sy_call_t *)sys_nosys\n" > sysinc
421 printf "#endif\n" > sysinc
424 printf("\n#endif /* _KERNEL */\n") > syscompatdcl
425 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
428 printf("};\n") > sysent
429 printf("};\n") > sysnames
430 printf("};\n") > sysun
431 printf("\n#endif /* !%s */\n", sysproto_h) > sysdcl
432 printf("#undef PAD_\n") > sysdcl
433 printf("\n#endif /* _KERNEL */\n") > sysdcl
434 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
438 cat $sysinc $sysent >> $syssw
439 cat $sysarg $syscompat $syscompatdcl $sysdcl > $sysproto
440 cat $sysun > $sysunion