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 $
9 sysproto="../sys/sysproto.h"
10 sysunion="../sys/sysunion.h"
11 sysproto_h=_SYS_SYSPROTO_H_
12 syshdr="../sys/syscall.h"
13 sysmk="../sys/syscall.mk"
17 namesname="syscallnames"
20 sysdcl="sysent.dcl.$$"
21 syscompat="sysent.compat.$$"
22 syscompatdcl="sysent.compatdcl.$$"
23 sysent="sysent.switch.$$"
24 sysinc="sysinc.switch.$$"
25 sysarg="sysarg.switch.$$"
26 sysun="sysunion.switch.$$"
28 trap "rm $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg $sysun" 0
30 touch $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg $sysun
33 0) echo "Usage: $0 input-file <config-file>" 1>&2
38 if [ -n "$2" -a -f "$2" ]; then
52 /^#/!s/\([{}()*,]\)/ \1 /g
57 sysproto = \"$sysproto\"
58 sysproto_h = \"$sysproto_h\"
59 syscompat = \"$syscompat\"
60 syscompatdcl = \"$syscompatdcl\"
66 sysnames = \"$sysnames\"
70 syscallprefix = \"$syscallprefix\"
71 switchname = \"$switchname\"
72 namesname = \"$namesname\"
76 printf "/*\n * System call switch table.\n *\n" > syssw
77 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > syssw
78 printf " * by running make sysent in the same directory.\n" > syssw
79 printf " */\n\n" > syssw
81 printf "/*\n * System call prototypes.\n *\n" > sysarg
82 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > sysarg
83 printf " * by running make sysent in the same directory.\n" > sysarg
84 printf " */\n\n" > sysarg
85 printf "#ifndef %s\n", sysproto_h > sysarg
86 printf "#define\t%s\n\n", sysproto_h > sysarg
87 printf "#include <sys/select.h>\n" > sysarg
88 printf "#include <sys/signal.h>\n" > sysarg
89 printf "#include <sys/acl.h>\n" > sysarg
90 printf "#include <sys/cpumask.h>\n" > sysarg
91 printf "#include <sys/mqueue.h>\n" > sysarg
92 printf "#include <sys/msgport.h>\n" > sysarg
93 printf "#include <sys/sysmsg.h>\n" > sysarg
94 printf "#include <sys/procctl.h>\n\n" > sysarg
95 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
96 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
98 printf "/*\n * System call names.\n *\n" > sysnames
99 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > sysnames
100 printf " * by running make sysent in the same directory.\n" > sysnames
101 printf " */\n\n" > sysnames
102 printf "const char *%s[] = {\n", namesname > sysnames
104 printf "/*\n * System call numbers.\n *\n" > syshdr
105 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > syshdr
106 printf " * by running make sysent in the same directory.\n" > syshdr
107 printf " */\n\n" > syshdr
109 printf "# DragonFly system call names.\n" > sysmk
110 printf "# DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > sysmk
111 printf "# by running make sysent in the same directory.\n" > sysmk
112 printf "MIASM = " > sysmk
114 printf "/*\n * Union of syscall args for messaging.\n *\n" > sysun
115 printf " * DO NOT EDIT-- To regenerate this file, edit syscalls.master followed\n" > sysun
116 printf " * by running make sysent in the same directory.\n" > sysun
117 printf " */\n\n" > sysun
118 printf "union sysunion {\n" > sysun
119 printf "#ifdef _KERNEL /* header only applies in kernel */\n" > sysun
120 #printf "\tstruct\tlwkt_msg lmsg;\n" > sysun
121 printf "\tstruct\tsysmsg sysmsg;\n" > sysun
122 printf "#endif\n" > sysun
124 printf "\n/* The casts are bogus but will do for now. */\n" > sysent
125 printf "struct sysent %s[] = {\n",switchname > sysent
127 printf "\n#ifdef _KERNEL\n\n" > sysdcl
128 printf "\n#ifdef _KERNEL\n\n" > syscompatdcl
130 NF == 0 || $1 ~ /^;/ {
133 $1 ~ /^#[ ]*include/ {
144 savesyscall = syscall
154 syscall = savesyscall
167 printf "%s: line %d: syscall number out of sync at %d\n",
173 function align_sysent_comment(column) {
174 printf("\t") > sysent
175 column = column + 8 - column % 8
176 while (column < 56) {
177 printf("\t") > sysent
181 function parserr(was, wanted) {
182 printf "%s: line %d: unexpected %s (expected %s)\n",
183 infile, NR, was, wanted
186 function parseline() {
187 f=3 # toss number and type
203 argssize = "AS(" $5 ")"
219 f++ #function return type
226 argalias = funcname "_args"
235 parserr($f, "argument definition")
243 while (f < end && $(f+1) != ",") {
244 if (argtype[argc] != "" && oldf != "*")
245 argtype[argc] = argtype[argc]" ";
246 argtype[argc] = argtype[argc]$f;
250 if (argtype[argc] == "")
251 parserr($f, "argument definition")
253 f += 2; # skip name, and any comma
256 argssize = "AS(" argalias ")"
260 for (i = 4; i <= NF; i++)
261 comment = comment " " $i
263 $2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "NOPROTO" \
266 if ((!nosys || funcname != "nosys") && \
267 (funcname != "lkmnosys")) {
268 if (argc != 0 && $2 != "NOARGS" && $2 != "NOPROTO") {
269 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
270 printf("struct\t%s {\n", argalias) > sysarg
271 printf("#ifdef _KERNEL\n") > sysarg
272 printf("\tstruct sysmsg sysmsg;\n") > sysarg
273 printf("#endif\n") > sysarg
274 for (i = 1; i <= argc; i++)
275 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n",
276 argtype[i], argname[i],
277 argname[i], argtype[i]) > sysarg
278 printf("};\n") > sysarg
280 else if ($2 != "NOARGS" && $2 != "NOPROTO" && \
282 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun
283 printf("struct\t%s {\n", argalias) > sysarg
284 printf("#ifdef _KERNEL\n") > sysarg
285 printf("\tstruct sysmsg sysmsg;\n") > sysarg
286 printf("#endif\n") > sysarg
287 printf("\tregister_t dummy;\n") > sysarg
288 printf("};\n") > sysarg
291 if (($2 != "NOPROTO" && $2 != "NODEF" && \
292 (funcname != "nosys" || !nosys)) || \
293 (funcname == "lkmnosys" && !lkmnosys) || \
294 funcname == "lkmressys") {
295 printf("%s\tsys_%s (struct %s *)",
296 rettype, funcname, argalias) > sysdcl
297 printf(";\n") > sysdcl
299 if (funcname == "nosys")
301 if (funcname == "lkmnosys")
303 printf("\t{ %s, (sy_call_t *)", argssize) > sysent
304 column = 8 + 2 + length(argssize) + 15
305 if ($2 != "NOIMPL") {
306 printf("sys_%s },", funcname) > sysent
307 column = column + length(funcname) + 7
309 printf("sys_%s },", "nosys") > sysent
310 column = column + length("nosys") + 7
312 align_sysent_comment(column)
313 printf("/* %d = %s */\n", syscall, funcalias) > sysent
314 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
315 funcalias, syscall, funcalias) > sysnames
317 printf("#define\t%s%s\t%d\n", syscallprefix,
318 funcalias, syscall) > syshdr
319 printf(" \\\n\t%s.o", funcalias) > sysmk
325 printf("\t{ 0, (sy_call_t *)sys_nosys },") > sysent
326 align_sysent_comment(37)
327 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
328 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
329 $3, syscall, comment) > sysnames
330 printf("\t\t\t\t/* %d is obsolete %s */\n",
331 syscall, comment) > syshdr
336 printf("\t{ 0, (sy_call_t *)sys_nosys },\t\t\t/* %d = %s */\n",
337 syscall, comment) > sysent
338 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
339 syscall, syscall, comment) > sysnames
344 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2
348 printf "\n#define AS(name) ((sizeof(struct name) - sizeof(struct sysmsg)) / sizeof(register_t))\n" > sysinc
350 printf "#define compat(n, name) 0, (sy_call_t *)sys_nosys\n" > sysinc
352 printf("\n#endif /* _KERNEL */\n") > syscompatdcl
355 printf("};\n") > sysent
356 printf("};\n") > sysnames
357 printf("};\n") > sysun
358 printf("\n#endif /* !%s */\n", sysproto_h) > sysdcl
359 printf("#undef PAD_\n") > sysdcl
360 printf("\n#endif /* _KERNEL */\n") > sysdcl
361 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
365 cat $sysinc $sysent >> $syssw
366 cat $sysarg $syscompat $syscompatdcl $sysdcl > $sysproto
367 cat $sysun > $sysunion