sys/kern/makesyscalls.sh

   1 #! /bin/sh -
   2 #       @(#)makesyscalls.sh     8.1 (Berkeley) 6/10/93
   3 # $FreeBSD$
   4
   5 set -e
   6
   7 # name of compat options:
   8 compat=COMPAT_43
   9 compat4=COMPAT_FREEBSD4
  10 compat6=COMPAT_FREEBSD6
  11 compat7=COMPAT_FREEBSD7
  12
  13 # output files:
  14 sysnames="syscalls.c"
  15 sysproto="../sys/sysproto.h"
  16 sysproto_h=_SYS_SYSPROTO_H_
  17 syshdr="../sys/syscall.h"
  18 sysmk="../sys/syscall.mk"
  19 syssw="init_sysent.c"
  20 syscallprefix="SYS_"
  21 switchname="sysent"
  22 namesname="syscallnames"
  23 systrace="systrace_args.c"
  24
  25 # tmp files:
  26 sysaue="sysent.aue.$$"
  27 sysdcl="sysent.dcl.$$"
  28 syscompat="sysent.compat.$$"
  29 syscompatdcl="sysent.compatdcl.$$"
  30 syscompat4="sysent.compat4.$$"
  31 syscompat4dcl="sysent.compat4dcl.$$"
  32 syscompat6="sysent.compat6.$$"
  33 syscompat6dcl="sysent.compat6dcl.$$"
  34 syscompat7="sysent.compat7.$$"
  35 syscompat7dcl="sysent.compat7dcl.$$"
  36 sysent="sysent.switch.$$"
  37 sysinc="sysinc.switch.$$"
  38 sysarg="sysarg.switch.$$"
  39 sysprotoend="sysprotoend.$$"
  40 systracetmp="systrace.$$"
  41 systraceret="systraceret.$$"
  42
  43 trap "rm $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret" 0
  44
  45 touch $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret
  46
  47 case $# in
  48     0)  echo "usage: $0 input-file <config-file>" 1>&2
  49         exit 1
  50         ;;
  51 esac
  52
  53 if [ -n "$2" -a -f "$2" ]; then
  54         . $2
  55 fi
  56
  57 sed -e '
  58 s/\$//g
  59 :join
  60         /\\$/{a\
  61
  62         N
  63         s/\\\n//
  64         b join
  65         }
  66 2,${
  67         /^#/!s/\([{}()*,]\)/ \1 /g
  68 }
  69 ' < $1 | awk "
  70         BEGIN {
  71                 sysaue = \"$sysaue\"
  72                 sysdcl = \"$sysdcl\"
  73                 sysproto = \"$sysproto\"
  74                 sysprotoend = \"$sysprotoend\"
  75                 sysproto_h = \"$sysproto_h\"
  76                 syscompat = \"$syscompat\"
  77                 syscompatdcl = \"$syscompatdcl\"
  78                 syscompat4 = \"$syscompat4\"
  79                 syscompat4dcl = \"$syscompat4dcl\"
  80                 syscompat6 = \"$syscompat6\"
  81                 syscompat6dcl = \"$syscompat6dcl\"
  82                 syscompat7 = \"$syscompat7\"
  83                 syscompat7dcl = \"$syscompat7dcl\"
  84                 sysent = \"$sysent\"
  85                 syssw = \"$syssw\"
  86                 sysinc = \"$sysinc\"
  87                 sysarg = \"$sysarg\"
  88                 sysnames = \"$sysnames\"
  89                 syshdr = \"$syshdr\"
  90                 sysmk = \"$sysmk\"
  91                 systrace = \"$systrace\"
  92                 systracetmp = \"$systracetmp\"
  93                 systraceret = \"$systraceret\"
  94                 compat = \"$compat\"
  95                 compat4 = \"$compat4\"
  96                 compat6 = \"$compat6\"
  97                 compat7 = \"$compat7\"
  98                 syscallprefix = \"$syscallprefix\"
  99                 switchname = \"$switchname\"
 100                 namesname = \"$namesname\"
 101                 infile = \"$1\"
 102                 "'
 103
 104                 printf "/*\n * System call switch table.\n *\n" > syssw
 105                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syssw
 106                 printf " * $%s$\n", "FreeBSD" > syssw
 107
 108                 printf "/*\n * System call prototypes.\n *\n" > sysarg
 109                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysarg
 110                 printf " * $%s$\n", "FreeBSD" > sysarg
 111
 112                 printf "\n#ifdef %s\n\n", compat > syscompat
 113                 printf "\n#ifdef %s\n\n", compat4 > syscompat4
 114                 printf "\n#ifdef %s\n\n", compat6 > syscompat6
 115                 printf "\n#ifdef %s\n\n", compat7 > syscompat7
 116
 117                 printf "/*\n * System call names.\n *\n" > sysnames
 118                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames
 119                 printf " * $%s$\n", "FreeBSD" > sysnames
 120
 121                 printf "/*\n * System call numbers.\n *\n" > syshdr
 122                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr
 123                 printf " * $%s$\n", "FreeBSD" > syshdr
 124                 printf "# FreeBSD system call names.\n" > sysmk
 125                 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysmk
 126                 printf "# $%s$\n", "FreeBSD" > sysmk
 127
 128                 printf "/*\n * System call argument to DTrace register array converstion.\n *\n" > systrace
 129                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > systrace
 130                 printf " * $%s$\n", "FreeBSD" > systrace
 131         }
 132         NR == 1 {
 133                 gsub("[$]FreeBSD: ", "", $0)
 134                 gsub(" [$]", "", $0)
 135
 136                 printf " * created from%s\n */\n\n", $0 > syssw
 137
 138                 printf "\n/* The casts are bogus but will do for now. */\n" > sysent
 139                 printf "struct sysent %s[] = {\n",switchname > sysent
 140
 141                 printf " * created from%s\n */\n\n", $0 > sysarg
 142                 printf "#ifndef %s\n", sysproto_h > sysarg
 143                 printf "#define\t%s\n\n", sysproto_h > sysarg
 144                 printf "#include <sys/signal.h>\n" > sysarg
 145                 printf "#include <sys/acl.h>\n" > sysarg
 146                 printf "#include <sys/cpuset.h>\n" > sysarg
 147                 printf "#include <sys/_semaphore.h>\n" > sysarg
 148                 printf "#include <sys/ucontext.h>\n\n" > sysarg
 149                 printf "#include <bsm/audit_kevents.h>\n\n" > sysarg
 150                 printf "struct proc;\n\n" > sysarg
 151                 printf "struct thread;\n\n" > sysarg
 152                 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
 153                 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
 154                 printf "#if BYTE_ORDER == LITTLE_ENDIAN\n"> sysarg
 155                 printf "#define\tPADL_(t)\t0\n" > sysarg
 156                 printf "#define\tPADR_(t)\tPAD_(t)\n" > sysarg
 157                 printf "#else\n" > sysarg
 158                 printf "#define\tPADL_(t)\tPAD_(t)\n" > sysarg
 159                 printf "#define\tPADR_(t)\t0\n" > sysarg
 160                 printf "#endif\n\n" > sysarg
 161
 162                 printf " * created from%s\n */\n\n", $0 > sysnames
 163                 printf "const char *%s[] = {\n", namesname > sysnames
 164
 165                 printf " * created from%s\n */\n\n", $0 > syshdr
 166
 167                 printf "# created from%s\nMIASM = ", $0 > sysmk
 168
 169                 printf " * This file is part of the DTrace syscall provider.\n */\n\n" > systrace
 170                 printf "static void\nsystrace_args(int sysnum, void *params, u_int64_t *uarg, int *n_args)\n{\n" > systrace
 171                 printf "\tint64_t *iarg  = (int64_t *) uarg;\n" > systrace
 172                 printf "\tswitch (sysnum) {\n" > systrace
 173
 174                 printf "static void\nsystrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systracetmp
 175                 printf "\tswitch (sysnum) {\n" > systracetmp
 176
 177                 printf "static void\nsystrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systraceret
 178                 printf "\tswitch (sysnum) {\n" > systraceret
 179
 180                 next
 181         }
 182         NF == 0 || $1 ~ /^;/ {
 183                 next
 184         }
 185         $1 ~ /^#[       ]*include/ {
 186                 print > sysinc
 187                 next
 188         }
 189         $1 ~ /^#[       ]*if/ {
 190                 print > sysent
 191                 print > sysdcl
 192                 print > sysarg
 193                 print > syscompat
 194                 print > syscompat4
 195                 print > syscompat6
 196                 print > syscompat7
 197                 print > sysnames
 198                 print > systrace
 199                 print > systracetmp
 200                 print > systraceret
 201                 savesyscall = syscall
 202                 next
 203         }
 204         $1 ~ /^#[       ]*else/ {
 205                 print > sysent
 206                 print > sysdcl
 207                 print > sysarg
 208                 print > syscompat
 209                 print > syscompat4
 210                 print > syscompat6
 211                 print > syscompat7
 212                 print > sysnames
 213                 print > systrace
 214                 print > systracetmp
 215                 print > systraceret
 216                 syscall = savesyscall
 217                 next
 218         }
 219         $1 ~ /^#/ {
 220                 print > sysent
 221                 print > sysdcl
 222                 print > sysarg
 223                 print > syscompat
 224                 print > syscompat4
 225                 print > syscompat6
 226                 print > syscompat7
 227                 print > sysnames
 228                 print > systrace
 229                 print > systracetmp
 230                 print > systraceret
 231                 next
 232         }
 233         syscall != $1 {
 234                 printf "%s: line %d: syscall number out of sync at %d\n",
 235                     infile, NR, syscall
 236                 printf "line is:\n"
 237                 print
 238                 exit 1
 239         }
 240         # Returns true if the type "name" is the first flag in the type field
 241         function type(name, flags, n) {
 242                 n = split($3, flags, /\|/)
 243                 return (n > 0 && flags[1] == name)
 244         }
 245         # Returns true if the flag "name" is set in the type field
 246         function flag(name, flags, i, n) {
 247                 n = split($3, flags, /\|/)
 248                 for (i = 1; i <= n; i++)
 249                         if (flags[i] == name)
 250                                 return 1
 251                 return 0
 252         }
 253         function align_sysent_comment(column) {
 254                 printf("\t") > sysent
 255                 column = column + 8 - column % 8
 256                 while (column < 56) {
 257                         printf("\t") > sysent
 258                         column = column + 8
 259                 }
 260         }
 261         function parserr(was, wanted) {
 262                 printf "%s: line %d: unexpected %s (expected %s)\n",
 263                     infile, NR, was, wanted
 264                 exit 1
 265         }
 266         function parseline() {
 267                 f=4                     # toss number, type, audit event
 268                 argc= 0;
 269                 argssize = "0"
 270                 if ($NF != "}") {
 271                         funcalias=$(NF-2)
 272                         argalias=$(NF-1)
 273                         rettype=$NF
 274                         end=NF-3
 275                 } else {
 276                         funcalias=""
 277                         argalias=""
 278                         rettype="int"
 279                         end=NF
 280                 }
 281                 if (flag("NODEF")) {
 282                         auditev="AUE_NULL"
 283                         funcname=$4
 284                         argssize = "AS(" $6 ")"
 285                         return
 286                 }
 287                 if ($f != "{")
 288                         parserr($f, "{")
 289                 f++
 290                 if ($end != "}")
 291                         parserr($end, "}")
 292                 end--
 293                 if ($end != ";")
 294                         parserr($end, ";")
 295                 end--
 296                 if ($end != ")")
 297                         parserr($end, ")")
 298                 end--
 299
 300                 syscallret=$f
 301                 f++
 302
 303                 funcname=$f
 304                 if (funcalias == "")
 305                         funcalias = funcname
 306                 if (argalias == "") {
 307                         argalias = funcname "_args"
 308                         if (flag("COMPAT"))
 309                                 argalias = "o" argalias
 310                         if (flag("COMPAT4"))
 311                                 argalias = "freebsd4_" argalias
 312                         if (flag("COMPAT6"))
 313                                 argalias = "freebsd6_" argalias
 314                         if (flag("COMPAT7"))
 315                                 argalias = "freebsd7_" argalias
 316                 }
 317                 f++
 318
 319                 if ($f != "(")
 320                         parserr($f, ")")
 321                 f++
 322
 323                 if (f == end) {
 324                         if ($f != "void")
 325                                 parserr($f, "argument definition")
 326                         return
 327                 }
 328
 329                 while (f <= end) {
 330                         argc++
 331                         argtype[argc]=""
 332                         oldf=""
 333                         while (f < end && $(f+1) != ",") {
 334                                 if (argtype[argc] != "" && oldf != "*")
 335                                         argtype[argc] = argtype[argc]" ";
 336                                 argtype[argc] = argtype[argc]$f;
 337                                 oldf = $f;
 338                                 f++
 339                         }
 340                         if (argtype[argc] == "")
 341                                 parserr($f, "argument definition")
 342                         argname[argc]=$f;
 343                         f += 2;                 # skip name, and any comma
 344                 }
 345                 if (argc != 0)
 346                         argssize = "AS(" argalias ")"
 347         }
 348         {       comment = $4
 349                 if (NF < 7)
 350                         for (i = 5; i <= NF; i++)
 351                                 comment = comment " " $i
 352         }
 353
 354         #
 355         # The AUE_ audit event identifier.
 356         #
 357         {
 358                 auditev = $2;
 359         }
 360
 361         #
 362         # The currently-empty flags field.
 363         #
 364         {
 365                 flags = "0";
 366         }
 367
 368         type("STD") || type("NODEF") || type("NOARGS") || type("NOPROTO") \
 369             || type("NOSTD") {
 370                 parseline()
 371                 printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall) > systrace
 372                 printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systracetmp
 373                 printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systraceret
 374                 if (argc > 0) {
 375                         printf("\t\tswitch(ndx) {\n") > systracetmp
 376                         printf("\t\tstruct %s *p = params;\n", argalias) > systrace
 377                         for (i = 1; i <= argc; i++) {
 378                                 printf("\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", i - 1, argtype[i]) > systracetmp
 379                                 if (index(argtype[i], "*") > 0 || argtype[i] == "caddr_t")
 380                                         printf("\t\tuarg[%d] = (intptr_t) p->%s; /* %s */\n", \
 381                                              i - 1, \
 382                                              argname[i], argtype[i]) > systrace
 383                                 else if (substr(argtype[i], 1, 1) == "u" || argtype[i] == "size_t")
 384                                         printf("\t\tuarg[%d] = p->%s; /* %s */\n", \
 385                                              i - 1, \
 386                                              argname[i], argtype[i]) > systrace
 387                                 else
 388                                         printf("\t\tiarg[%d] = p->%s; /* %s */\n", \
 389                                              i - 1, \
 390                                              argname[i], argtype[i]) > systrace
 391                         }
 392                         printf("\t\tdefault:\n\t\t\tbreak;\n\t\t};\n") > systracetmp
 393
 394                         printf("\t\tif (ndx == 0 || ndx == 1)\n") > systraceret
 395                         printf("\t\t\tp = \"%s\";\n", syscallret) > systraceret
 396                         printf("\t\tbreak;\n") > systraceret
 397                 }
 398                 printf("\t\t*n_args = %d;\n\t\tbreak;\n\t}\n", argc) > systrace
 399                 printf("\t\tbreak;\n") > systracetmp
 400                 if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
 401                     !flag("NODEF")) {
 402                         printf("struct %s {\n", argalias) > sysarg
 403                         for (i = 1; i <= argc; i++)
 404                                 printf("\tchar %s_l_[PADL_(%s)]; " \
 405                                     "%s %s; char %s_r_[PADR_(%s)];\n",
 406                                     argname[i], argtype[i],
 407                                     argtype[i], argname[i],
 408                                     argname[i], argtype[i]) > sysarg
 409                         printf("};\n") > sysarg
 410                 }
 411                 else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
 412                         printf("struct %s {\n\tregister_t dummy;\n};\n",
 413                             argalias) > sysarg
 414                 if (!flag("NOPROTO") && !flag("NODEF")) {
 415                         printf("%s\t%s(struct thread *, struct %s *)",
 416                             rettype, funcname, argalias) > sysdcl
 417                         printf(";\n") > sysdcl
 418                         printf("#define\t%sAUE_%s\t%s\n", syscallprefix,
 419                             funcalias, auditev) > sysaue
 420                 }
 421                 printf("\t{ %s, (sy_call_t *)", argssize) > sysent
 422                 column = 8 + 2 + length(argssize) + 15
 423                 if (flag("NOSTD")) {
 424                         printf("%s },", "lkmressys, AUE_NULL, NULL, 0, 0, 0") > sysent
 425                         column = column + length("lkmressys") + length("AUE_NULL") + 3
 426                 } else {
 427                         printf("%s, %s, NULL, 0, 0, %s },", funcname, auditev, flags) > sysent
 428                         column = column + length(funcname) + length(auditev) + length(flags) + 3
 429                 }
 430                 align_sysent_comment(column)
 431                 printf("/* %d = %s */\n", syscall, funcalias) > sysent
 432                 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
 433                     funcalias, syscall, funcalias) > sysnames
 434                 if (!flag("NODEF")) {
 435                         printf("#define\t%s%s\t%d\n", syscallprefix,
 436                             funcalias, syscall) > syshdr
 437                         printf(" \\\n\t%s.o", funcalias) > sysmk
 438                 }
 439                 syscall++
 440                 next
 441         }
 442         type("COMPAT") || type("COMPAT4") || type("COMPAT6") || \
 443             type("COMPAT7") {
 444                 if (flag("COMPAT")) {
 445                         ncompat++
 446                         out = syscompat
 447                         outdcl = syscompatdcl
 448                         wrap = "compat"
 449                         prefix = "o"
 450                         descr = "old"
 451                 } else if (flag("COMPAT4")) {
 452                         ncompat4++
 453                         out = syscompat4
 454                         outdcl = syscompat4dcl
 455                         wrap = "compat4"
 456                         prefix = "freebsd4_"
 457                         descr = "freebsd4"
 458                 } else if (flag("COMPAT6")) {
 459                         ncompat6++
 460                         out = syscompat6
 461                         outdcl = syscompat6dcl
 462                         wrap = "compat6"
 463                         prefix = "freebsd6_"
 464                         descr = "freebsd6"
 465                 } else if (flag("COMPAT7")) {
 466                         ncompat7++
 467                         out = syscompat7
 468                         outdcl = syscompat7dcl
 469                         wrap = "compat7"
 470                         prefix = "freebsd7_"
 471                         descr = "freebsd7"
 472                 }
 473                 parseline()
 474                 if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
 475                     !flag("NODEF")) {
 476                         printf("struct %s {\n", argalias) > out
 477                         for (i = 1; i <= argc; i++)
 478                                 printf("\tchar %s_l_[PADL_(%s)]; %s %s; " \
 479                                     "char %s_r_[PADR_(%s)];\n",
 480                                     argname[i], argtype[i],
 481                                     argtype[i], argname[i],
 482                                     argname[i], argtype[i]) > out
 483                         printf("};\n") > out
 484                 }
 485                 else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
 486                         printf("struct %s {\n\tregister_t dummy;\n};\n",
 487                             argalias) > sysarg
 488                 if (!flag("NOPROTO") && !flag("NODEF")) {
 489                         printf("%s\t%s%s(struct thread *, struct %s *);\n",
 490                             rettype, prefix, funcname, argalias) > outdcl
 491                         printf("#define\t%sAUE_%s%s\t%s\n", syscallprefix,
 492                             prefix, funcname, auditev) > sysaue
 493                 }
 494                 if (flag("NOSTD")) {
 495                         printf("\t{ %s, (sy_call_t *)%s, %s, NULL, 0, 0, 0 },",
 496                             "0", "lkmressys", "AUE_NULL") > sysent
 497                         align_sysent_comment(8 + 2 + length("0") + 15 + \
 498                             length("lkmressys") + length("AUE_NULL") + 3)
 499                 } else {
 500                         printf("\t{ %s(%s,%s), %s, NULL, 0, 0, %s },",
 501                             wrap, argssize, funcname, auditev, flags) > sysent
 502                         align_sysent_comment(8 + 9 + length(argssize) + 1 + \
 503                             length(funcname) + length(auditev) + \
 504                             length(flags) + 4)
 505                 }
 506                 printf("/* %d = %s %s */\n", syscall, descr, funcalias) > sysent
 507                 printf("\t\"%s.%s\",\t\t/* %d = %s %s */\n",
 508                     wrap, funcalias, syscall, descr, funcalias) > sysnames
 509                 if (flag("COMPAT")) {
 510                         printf("\t\t\t\t/* %d is old %s */\n",
 511                             syscall, funcalias) > syshdr
 512                 } else if (!flag("NODEF")) {
 513                         printf("#define\t%s%s%s\t%d\n", syscallprefix,
 514                             prefix, funcalias, syscall) > syshdr
 515                         printf(" \\\n\t%s%s.o", prefix, funcalias) > sysmk
 516                 }
 517                 syscall++
 518                 next
 519         }
 520         type("LIBCOMPAT") {
 521                 ncompat++
 522                 parseline()
 523                 printf("%s\to%s();\n", rettype, funcname) > syscompatdcl
 524                 printf("\t{ compat(%s,%s), %s, NULL, 0, 0, %s },",
 525                     argssize, funcname, auditev, flags) > sysent
 526                 align_sysent_comment(8 + 9 + \
 527                     length(argssize) + 1 + length(funcname) + length(auditev) + length(flags) + 4)
 528                 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
 529                 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
 530                     funcalias, syscall, funcalias) > sysnames
 531                 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n",
 532                     syscallprefix, funcalias, syscall) > syshdr
 533                 printf(" \\\n\t%s.o", funcalias) > sysmk
 534                 syscall++
 535                 next
 536         }
 537         type("OBSOL") {
 538                 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0 },") > sysent
 539                 align_sysent_comment(34)
 540                 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
 541                 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
 542                     $4, syscall, comment) > sysnames
 543                 printf("\t\t\t\t/* %d is obsolete %s */\n",
 544                     syscall, comment) > syshdr
 545                 syscall++
 546                 next
 547         }
 548         type("UNIMPL") {
 549                 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0 },\t\t\t/* %d = %s */\n",
 550                     syscall, comment) > sysent
 551                 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
 552                     syscall, syscall, comment) > sysnames
 553                 syscall++
 554                 next
 555         }
 556         {
 557                 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $3
 558                 exit 1
 559         }
 560         END {
 561                 printf "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n" > sysinc
 562
 563                 if (ncompat != 0 || ncompat4 != 0 || ncompat6 != 0 || ncompat7 != 0)
 564                         printf "#include \"opt_compat.h\"\n\n" > syssw
 565
 566                 if (ncompat != 0) {
 567                         printf "\n#ifdef %s\n", compat > sysinc
 568                         printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
 569                         printf "#else\n" > sysinc
 570                         printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 571                         printf "#endif\n" > sysinc
 572                 }
 573
 574                 if (ncompat4 != 0) {
 575                         printf "\n#ifdef %s\n", compat4 > sysinc
 576                         printf "#define compat4(n, name) n, (sy_call_t *)__CONCAT(freebsd4_,name)\n" > sysinc
 577                         printf "#else\n" > sysinc
 578                         printf "#define compat4(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 579                         printf "#endif\n" > sysinc
 580                 }
 581
 582                 if (ncompat6 != 0) {
 583                         printf "\n#ifdef %s\n", compat6 > sysinc
 584                         printf "#define compat6(n, name) n, (sy_call_t *)__CONCAT(freebsd6_,name)\n" > sysinc
 585                         printf "#else\n" > sysinc
 586                         printf "#define compat6(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 587                         printf "#endif\n" > sysinc
 588                 }
 589
 590                 if (ncompat7 != 0) {
 591                         printf "\n#ifdef %s\n", compat7 > sysinc
 592                         printf "#define compat7(n, name) n, (sy_call_t *)__CONCAT(freebsd7_,name)\n" > sysinc
 593                         printf "#else\n" > sysinc
 594                         printf "#define compat7(n, name) 0, (sy_call_t *)nosys\n" > sysinc
 595                         printf "#endif\n" > sysinc
 596                 }
 597
 598                 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
 599                 printf("\n#endif /* %s */\n\n", compat4) > syscompat4dcl
 600                 printf("\n#endif /* %s */\n\n", compat6) > syscompat6dcl
 601                 printf("\n#endif /* %s */\n\n", compat7) > syscompat7dcl
 602
 603                 printf("\n#undef PAD_\n") > sysprotoend
 604                 printf("#undef PADL_\n") > sysprotoend
 605                 printf("#undef PADR_\n") > sysprotoend
 606                 printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend
 607
 608                 printf("\n") > sysmk
 609                 printf("};\n") > sysent
 610                 printf("};\n") > sysnames
 611                 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
 612                     > syshdr
 613                 printf "\tdefault:\n\t\t*n_args = 0;\n\t\tbreak;\n\t};\n}\n" > systrace
 614                 printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systracetmp
 615                 printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systraceret
 616         } '
 617
 618 cat $sysinc $sysent >> $syssw
 619 cat $sysarg $sysdcl \
 620         $syscompat $syscompatdcl \
 621         $syscompat4 $syscompat4dcl \
 622         $syscompat6 $syscompat6dcl \
 623         $syscompat7 $syscompat7dcl \
 624         $sysaue $sysprotoend > $sysproto
 625 cat $systracetmp >> $systrace
 626 cat $systraceret >> $systrace
 627