The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/kern/makesyscalls.sh

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    1 #! /bin/sh -
    2 #       @(#)makesyscalls.sh     8.1 (Berkeley) 6/10/93
    3 # $FreeBSD: releng/8.0/sys/kern/makesyscalls.sh 194833 2009-06-24 13:36:37Z jhb $
    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 
   42 trap "rm $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp" 0
   43 
   44 touch $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp
   45 
   46 case $# in
   47     0)  echo "usage: $0 input-file <config-file>" 1>&2
   48         exit 1
   49         ;;
   50 esac
   51 
   52 if [ -n "$2" -a -f "$2" ]; then
   53         . $2
   54 fi
   55 
   56 sed -e '
   57 s/\$//g
   58 :join
   59         /\\$/{a\
   60 
   61         N
   62         s/\\\n//
   63         b join
   64         }
   65 2,${
   66         /^#/!s/\([{}()*,]\)/ \1 /g
   67 }
   68 ' < $1 | awk "
   69         BEGIN {
   70                 sysaue = \"$sysaue\"
   71                 sysdcl = \"$sysdcl\"
   72                 sysproto = \"$sysproto\"
   73                 sysprotoend = \"$sysprotoend\"
   74                 sysproto_h = \"$sysproto_h\"
   75                 syscompat = \"$syscompat\"
   76                 syscompatdcl = \"$syscompatdcl\"
   77                 syscompat4 = \"$syscompat4\"
   78                 syscompat4dcl = \"$syscompat4dcl\"
   79                 syscompat6 = \"$syscompat6\"
   80                 syscompat6dcl = \"$syscompat6dcl\"
   81                 syscompat7 = \"$syscompat7\"
   82                 syscompat7dcl = \"$syscompat7dcl\"
   83                 sysent = \"$sysent\"
   84                 syssw = \"$syssw\"
   85                 sysinc = \"$sysinc\"
   86                 sysarg = \"$sysarg\"
   87                 sysnames = \"$sysnames\"
   88                 syshdr = \"$syshdr\"
   89                 sysmk = \"$sysmk\"
   90                 systrace = \"$systrace\"
   91                 systracetmp = \"$systracetmp\"
   92                 compat = \"$compat\"
   93                 compat4 = \"$compat4\"
   94                 compat6 = \"$compat6\"
   95                 compat7 = \"$compat7\"
   96                 syscallprefix = \"$syscallprefix\"
   97                 switchname = \"$switchname\"
   98                 namesname = \"$namesname\"
   99                 infile = \"$1\"
  100                 "'
  101 
  102                 printf "/*\n * System call switch table.\n *\n" > syssw
  103                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syssw
  104                 printf " * $%s$\n", "FreeBSD" > syssw
  105 
  106                 printf "/*\n * System call prototypes.\n *\n" > sysarg
  107                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysarg
  108                 printf " * $%s$\n", "FreeBSD" > sysarg
  109 
  110                 printf "\n#ifdef %s\n\n", compat > syscompat
  111                 printf "\n#ifdef %s\n\n", compat4 > syscompat4
  112                 printf "\n#ifdef %s\n\n", compat6 > syscompat6
  113                 printf "\n#ifdef %s\n\n", compat7 > syscompat7
  114 
  115                 printf "/*\n * System call names.\n *\n" > sysnames
  116                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames
  117                 printf " * $%s$\n", "FreeBSD" > sysnames
  118 
  119                 printf "/*\n * System call numbers.\n *\n" > syshdr
  120                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr
  121                 printf " * $%s$\n", "FreeBSD" > syshdr
  122                 printf "# FreeBSD system call names.\n" > sysmk
  123                 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysmk
  124                 printf "# $%s$\n", "FreeBSD" > sysmk
  125 
  126                 printf "/*\n * System call argument to DTrace register array converstion.\n *\n" > systrace
  127                 printf " * DO NOT EDIT-- this file is automatically generated.\n" > systrace
  128                 printf " * $%s$\n", "FreeBSD" > systrace
  129         }
  130         NR == 1 {
  131                 gsub("[$]FreeBSD: ", "", $0)
  132                 gsub(" [$]", "", $0)
  133 
  134                 printf " * created from%s\n */\n\n", $0 > syssw
  135 
  136                 printf "\n/* The casts are bogus but will do for now. */\n" > sysent
  137                 printf "struct sysent %s[] = {\n",switchname > sysent
  138 
  139                 printf " * created from%s\n */\n\n", $0 > sysarg
  140                 printf "#ifndef %s\n", sysproto_h > sysarg
  141                 printf "#define\t%s\n\n", sysproto_h > sysarg
  142                 printf "#include <sys/signal.h>\n" > sysarg
  143                 printf "#include <sys/acl.h>\n" > sysarg
  144                 printf "#include <sys/cpuset.h>\n" > sysarg
  145                 printf "#include <sys/_semaphore.h>\n" > sysarg
  146                 printf "#include <sys/ucontext.h>\n\n" > sysarg
  147                 printf "#include <bsm/audit_kevents.h>\n\n" > sysarg
  148                 printf "struct proc;\n\n" > sysarg
  149                 printf "struct thread;\n\n" > sysarg
  150                 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg
  151                 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg
  152                 printf "#if BYTE_ORDER == LITTLE_ENDIAN\n"> sysarg
  153                 printf "#define\tPADL_(t)\t0\n" > sysarg
  154                 printf "#define\tPADR_(t)\tPAD_(t)\n" > sysarg
  155                 printf "#else\n" > sysarg
  156                 printf "#define\tPADL_(t)\tPAD_(t)\n" > sysarg
  157                 printf "#define\tPADR_(t)\t0\n" > sysarg
  158                 printf "#endif\n\n" > sysarg
  159 
  160                 printf " * created from%s\n */\n\n", $0 > sysnames
  161                 printf "const char *%s[] = {\n", namesname > sysnames
  162 
  163                 printf " * created from%s\n */\n\n", $0 > syshdr
  164 
  165                 printf "# created from%s\nMIASM = ", $0 > sysmk
  166 
  167                 printf " * This file is part of the DTrace syscall provider.\n */\n\n" > systrace
  168                 printf "static void\nsystrace_args(int sysnum, void *params, u_int64_t *uarg, int *n_args)\n{\n" > systrace
  169                 printf "\tint64_t *iarg  = (int64_t *) uarg;\n" > systrace
  170                 printf "\tswitch (sysnum) {\n" > systrace
  171 
  172                 printf "static void\nsystrace_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systracetmp
  173                 printf "\tswitch (sysnum) {\n" > systracetmp
  174 
  175                 next
  176         }
  177         NF == 0 || $1 ~ /^;/ {
  178                 next
  179         }
  180         $1 ~ /^#[       ]*include/ {
  181                 print > sysinc
  182                 next
  183         }
  184         $1 ~ /^#[       ]*if/ {
  185                 print > sysent
  186                 print > sysdcl
  187                 print > sysarg
  188                 print > syscompat
  189                 print > syscompat4
  190                 print > syscompat6
  191                 print > syscompat7
  192                 print > sysnames
  193                 savesyscall = syscall
  194                 next
  195         }
  196         $1 ~ /^#[       ]*else/ {
  197                 print > sysent
  198                 print > sysdcl
  199                 print > sysarg
  200                 print > syscompat
  201                 print > syscompat4
  202                 print > syscompat6
  203                 print > syscompat7
  204                 print > sysnames
  205                 syscall = savesyscall
  206                 next
  207         }
  208         $1 ~ /^#/ {
  209                 print > sysent
  210                 print > sysdcl
  211                 print > sysarg
  212                 print > syscompat
  213                 print > syscompat4
  214                 print > syscompat6
  215                 print > syscompat7
  216                 print > sysnames
  217                 next
  218         }
  219         syscall != $1 {
  220                 printf "%s: line %d: syscall number out of sync at %d\n",
  221                     infile, NR, syscall
  222                 printf "line is:\n"
  223                 print
  224                 exit 1
  225         }
  226         # Returns true if the type "name" is the first flag in the type field
  227         function type(name, flags, n) {
  228                 n = split($3, flags, /\|/)
  229                 return (n > 0 && flags[1] == name)
  230         }
  231         # Returns true if the flag "name" is set in the type field
  232         function flag(name, flags, i, n) {
  233                 n = split($3, flags, /\|/)
  234                 for (i = 1; i <= n; i++)
  235                         if (flags[i] == name)
  236                                 return 1
  237                 return 0
  238         }
  239         function align_sysent_comment(column) {
  240                 printf("\t") > sysent
  241                 column = column + 8 - column % 8
  242                 while (column < 56) {
  243                         printf("\t") > sysent
  244                         column = column + 8
  245                 }
  246         }
  247         function parserr(was, wanted) {
  248                 printf "%s: line %d: unexpected %s (expected %s)\n",
  249                     infile, NR, was, wanted
  250                 exit 1
  251         }
  252         function parseline() {
  253                 f=4                     # toss number, type, audit event
  254                 argc= 0;
  255                 argssize = "0"
  256                 if ($NF != "}") {
  257                         funcalias=$(NF-2)
  258                         argalias=$(NF-1)
  259                         rettype=$NF
  260                         end=NF-3
  261                 } else {
  262                         funcalias=""
  263                         argalias=""
  264                         rettype="int"
  265                         end=NF
  266                 }
  267                 if (flag("NODEF")) {
  268                         auditev="AUE_NULL"
  269                         funcname=$4
  270                         argssize = "AS(" $6 ")"
  271                         return
  272                 }
  273                 if ($f != "{")
  274                         parserr($f, "{")
  275                 f++
  276                 if ($end != "}")
  277                         parserr($end, "}")
  278                 end--
  279                 if ($end != ";")
  280                         parserr($end, ";")
  281                 end--
  282                 if ($end != ")")
  283                         parserr($end, ")")
  284                 end--
  285 
  286                 f++     #function return type
  287 
  288                 funcname=$f
  289                 if (funcalias == "")
  290                         funcalias = funcname
  291                 if (argalias == "") {
  292                         argalias = funcname "_args"
  293                         if (flag("COMPAT"))
  294                                 argalias = "o" argalias
  295                         if (flag("COMPAT4"))
  296                                 argalias = "freebsd4_" argalias
  297                         if (flag("COMPAT6"))
  298                                 argalias = "freebsd6_" argalias
  299                         if (flag("COMPAT7"))
  300                                 argalias = "freebsd7_" argalias
  301                 }
  302                 f++
  303 
  304                 if ($f != "(")
  305                         parserr($f, ")")
  306                 f++
  307 
  308                 if (f == end) {
  309                         if ($f != "void")
  310                                 parserr($f, "argument definition")
  311                         return
  312                 }
  313 
  314                 while (f <= end) {
  315                         argc++
  316                         argtype[argc]=""
  317                         oldf=""
  318                         while (f < end && $(f+1) != ",") {
  319                                 if (argtype[argc] != "" && oldf != "*")
  320                                         argtype[argc] = argtype[argc]" ";
  321                                 argtype[argc] = argtype[argc]$f;
  322                                 oldf = $f;
  323                                 f++
  324                         }
  325                         if (argtype[argc] == "")
  326                                 parserr($f, "argument definition")
  327                         argname[argc]=$f;
  328                         f += 2;                 # skip name, and any comma
  329                 }
  330                 if (argc != 0)
  331                         argssize = "AS(" argalias ")"
  332         }
  333         {       comment = $4
  334                 if (NF < 7)
  335                         for (i = 5; i <= NF; i++)
  336                                 comment = comment " " $i
  337         }
  338 
  339         #
  340         # The AUE_ audit event identifier.
  341         #
  342         {
  343                 auditev = $2;
  344         }
  345 
  346         #
  347         # The currently-empty flags field.
  348         #
  349         {
  350                 flags = "0";
  351         }
  352 
  353         type("STD") || type("NODEF") || type("NOARGS") || type("NOPROTO") \
  354             || type("NOSTD") {
  355                 parseline()
  356                 printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall) > systrace
  357                 printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systracetmp
  358                 if (argc > 0) {
  359                         printf("\t\tswitch(ndx) {\n") > systracetmp
  360                         printf("\t\tstruct %s *p = params;\n", argalias) > systrace
  361                         for (i = 1; i <= argc; i++) {
  362                                 printf("\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", i - 1, argtype[i]) > systracetmp
  363                                 if (index(argtype[i], "*") > 0 || argtype[i] == "caddr_t")
  364                                         printf("\t\tuarg[%d] = (intptr_t) p->%s; /* %s */\n", \
  365                                              i - 1, \
  366                                              argname[i], argtype[i]) > systrace
  367                                 else if (substr(argtype[i], 1, 1) == "u" || argtype[i] == "size_t")
  368                                         printf("\t\tuarg[%d] = p->%s; /* %s */\n", \
  369                                              i - 1, \
  370                                              argname[i], argtype[i]) > systrace
  371                                 else
  372                                         printf("\t\tiarg[%d] = p->%s; /* %s */\n", \
  373                                              i - 1, \
  374                                              argname[i], argtype[i]) > systrace
  375                         }
  376                         printf("\t\tdefault:\n\t\t\tbreak;\n\t\t};\n") > systracetmp
  377                 }
  378                 printf("\t\t*n_args = %d;\n\t\tbreak;\n\t}\n", argc) > systrace
  379                 printf("\t\tbreak;\n") > systracetmp
  380                 if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
  381                     !flag("NODEF")) {
  382                         printf("struct %s {\n", argalias) > sysarg
  383                         for (i = 1; i <= argc; i++)
  384                                 printf("\tchar %s_l_[PADL_(%s)]; " \
  385                                     "%s %s; char %s_r_[PADR_(%s)];\n",
  386                                     argname[i], argtype[i],
  387                                     argtype[i], argname[i],
  388                                     argname[i], argtype[i]) > sysarg
  389                         printf("};\n") > sysarg
  390                 }
  391                 else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
  392                         printf("struct %s {\n\tregister_t dummy;\n};\n",
  393                             argalias) > sysarg
  394                 if (!flag("NOPROTO") && !flag("NODEF")) {
  395                         printf("%s\t%s(struct thread *, struct %s *)",
  396                             rettype, funcname, argalias) > sysdcl
  397                         printf(";\n") > sysdcl
  398                         printf("#define\t%sAUE_%s\t%s\n", syscallprefix,
  399                             funcalias, auditev) > sysaue
  400                 }
  401                 printf("\t{ %s, (sy_call_t *)", argssize) > sysent
  402                 column = 8 + 2 + length(argssize) + 15
  403                 if (flag("NOSTD")) {
  404                         printf("%s },", "lkmressys, AUE_NULL, NULL, 0, 0, 0") > sysent
  405                         column = column + length("lkmressys") + length("AUE_NULL") + 3
  406                 } else {
  407                         printf("%s, %s, NULL, 0, 0, %s },", funcname, auditev, flags) > sysent
  408                         column = column + length(funcname) + length(auditev) + length(flags) + 3
  409                 } 
  410                 align_sysent_comment(column)
  411                 printf("/* %d = %s */\n", syscall, funcalias) > sysent
  412                 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
  413                     funcalias, syscall, funcalias) > sysnames
  414                 if (!flag("NODEF")) {
  415                         printf("#define\t%s%s\t%d\n", syscallprefix,
  416                             funcalias, syscall) > syshdr
  417                         printf(" \\\n\t%s.o", funcalias) > sysmk
  418                 }
  419                 syscall++
  420                 next
  421         }
  422         type("COMPAT") || type("COMPAT4") || type("COMPAT6") || \
  423             type("COMPAT7") {
  424                 if (flag("COMPAT")) {
  425                         ncompat++
  426                         out = syscompat
  427                         outdcl = syscompatdcl
  428                         wrap = "compat"
  429                         prefix = "o"
  430                         descr = "old"
  431                 } else if (flag("COMPAT4")) {
  432                         ncompat4++
  433                         out = syscompat4
  434                         outdcl = syscompat4dcl
  435                         wrap = "compat4"
  436                         prefix = "freebsd4_"
  437                         descr = "freebsd4"
  438                 } else if (flag("COMPAT6")) {
  439                         ncompat6++
  440                         out = syscompat6
  441                         outdcl = syscompat6dcl
  442                         wrap = "compat6"
  443                         prefix = "freebsd6_"
  444                         descr = "freebsd6"
  445                 } else if (flag("COMPAT7")) {
  446                         ncompat7++
  447                         out = syscompat7
  448                         outdcl = syscompat7dcl
  449                         wrap = "compat7"
  450                         prefix = "freebsd7_"
  451                         descr = "freebsd7"
  452                 }
  453                 parseline()
  454                 if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
  455                     !flag("NODEF")) {
  456                         printf("struct %s {\n", argalias) > out
  457                         for (i = 1; i <= argc; i++)
  458                                 printf("\tchar %s_l_[PADL_(%s)]; %s %s; " \
  459                                     "char %s_r_[PADR_(%s)];\n",
  460                                     argname[i], argtype[i],
  461                                     argtype[i], argname[i],
  462                                     argname[i], argtype[i]) > out
  463                         printf("};\n") > out
  464                 }
  465                 else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
  466                         printf("struct %s {\n\tregister_t dummy;\n};\n",
  467                             argalias) > sysarg
  468                 if (!flag("NOPROTO") && !flag("NODEF")) {
  469                         printf("%s\t%s%s(struct thread *, struct %s *);\n",
  470                             rettype, prefix, funcname, argalias) > outdcl
  471                         printf("#define\t%sAUE_%s%s\t%s\n", syscallprefix,
  472                             prefix, funcname, auditev) > sysaue
  473                 }
  474                 if (flag("NOSTD")) {
  475                         printf("\t{ %s, (sy_call_t *)%s, %s, NULL, 0, 0, 0 },",
  476                             "0", "lkmressys", "AUE_NULL") > sysent
  477                         align_sysent_comment(8 + 2 + length("0") + 15 + \
  478                             length("lkmressys") + length("AUE_NULL") + 3)
  479                 } else {
  480                         printf("\t{ %s(%s,%s), %s, NULL, 0, 0, %s },",
  481                             wrap, argssize, funcname, auditev, flags) > sysent
  482                         align_sysent_comment(8 + 9 + length(argssize) + 1 + \
  483                             length(funcname) + length(auditev) + \
  484                             length(flags) + 4)
  485                 }
  486                 printf("/* %d = %s %s */\n", syscall, descr, funcalias) > sysent
  487                 printf("\t\"%s.%s\",\t\t/* %d = %s %s */\n",
  488                     wrap, funcalias, syscall, descr, funcalias) > sysnames
  489                 if (flag("COMPAT")) {
  490                         printf("\t\t\t\t/* %d is old %s */\n",
  491                             syscall, funcalias) > syshdr
  492                 } else if (!flag("NODEF")) {
  493                         printf("#define\t%s%s%s\t%d\n", syscallprefix,
  494                             prefix, funcalias, syscall) > syshdr
  495                         printf(" \\\n\t%s%s.o", prefix, funcalias) > sysmk
  496                 }
  497                 syscall++
  498                 next
  499         }
  500         type("LIBCOMPAT") {
  501                 ncompat++
  502                 parseline()
  503                 printf("%s\to%s();\n", rettype, funcname) > syscompatdcl
  504                 printf("\t{ compat(%s,%s), %s, NULL, 0, 0, %s },",
  505                     argssize, funcname, auditev, flags) > sysent
  506                 align_sysent_comment(8 + 9 + \
  507                     length(argssize) + 1 + length(funcname) + length(auditev) + length(flags) + 4)
  508                 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
  509                 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
  510                     funcalias, syscall, funcalias) > sysnames
  511                 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n",
  512                     syscallprefix, funcalias, syscall) > syshdr
  513                 printf(" \\\n\t%s.o", funcalias) > sysmk
  514                 syscall++
  515                 next
  516         }
  517         type("OBSOL") {
  518                 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0 },") > sysent
  519                 align_sysent_comment(34)
  520                 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
  521                 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
  522                     $4, syscall, comment) > sysnames
  523                 printf("\t\t\t\t/* %d is obsolete %s */\n",
  524                     syscall, comment) > syshdr
  525                 syscall++
  526                 next
  527         }
  528         type("UNIMPL") {
  529                 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0 },\t\t\t/* %d = %s */\n",
  530                     syscall, comment) > sysent
  531                 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
  532                     syscall, syscall, comment) > sysnames
  533                 syscall++
  534                 next
  535         }
  536         {
  537                 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $3
  538                 exit 1
  539         }
  540         END {
  541                 printf "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n" > sysinc
  542 
  543                 if (ncompat != 0 || ncompat4 != 0 || ncompat6 != 0 || ncompat7 != 0)
  544                         printf "#include \"opt_compat.h\"\n\n" > syssw
  545 
  546                 if (ncompat != 0) {
  547                         printf "\n#ifdef %s\n", compat > sysinc
  548                         printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
  549                         printf "#else\n" > sysinc
  550                         printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
  551                         printf "#endif\n" > sysinc
  552                 }
  553 
  554                 if (ncompat4 != 0) {
  555                         printf "\n#ifdef %s\n", compat4 > sysinc
  556                         printf "#define compat4(n, name) n, (sy_call_t *)__CONCAT(freebsd4_,name)\n" > sysinc
  557                         printf "#else\n" > sysinc
  558                         printf "#define compat4(n, name) 0, (sy_call_t *)nosys\n" > sysinc
  559                         printf "#endif\n" > sysinc
  560                 }
  561 
  562                 if (ncompat6 != 0) {
  563                         printf "\n#ifdef %s\n", compat6 > sysinc
  564                         printf "#define compat6(n, name) n, (sy_call_t *)__CONCAT(freebsd6_,name)\n" > sysinc
  565                         printf "#else\n" > sysinc
  566                         printf "#define compat6(n, name) 0, (sy_call_t *)nosys\n" > sysinc
  567                         printf "#endif\n" > sysinc
  568                 }
  569 
  570                 if (ncompat7 != 0) {
  571                         printf "\n#ifdef %s\n", compat7 > sysinc
  572                         printf "#define compat7(n, name) n, (sy_call_t *)__CONCAT(freebsd7_,name)\n" > sysinc
  573                         printf "#else\n" > sysinc
  574                         printf "#define compat7(n, name) 0, (sy_call_t *)nosys\n" > sysinc
  575                         printf "#endif\n" > sysinc
  576                 }
  577 
  578                 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
  579                 printf("\n#endif /* %s */\n\n", compat4) > syscompat4dcl
  580                 printf("\n#endif /* %s */\n\n", compat6) > syscompat6dcl
  581                 printf("\n#endif /* %s */\n\n", compat7) > syscompat7dcl
  582 
  583                 printf("\n#undef PAD_\n") > sysprotoend
  584                 printf("#undef PADL_\n") > sysprotoend
  585                 printf("#undef PADR_\n") > sysprotoend
  586                 printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend
  587 
  588                 printf("\n") > sysmk
  589                 printf("};\n") > sysent
  590                 printf("};\n") > sysnames
  591                 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
  592                     > syshdr
  593                 printf "\tdefault:\n\t\t*n_args = 0;\n\t\tbreak;\n\t};\n}\n" > systrace
  594                 printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systracetmp
  595         } '
  596 
  597 cat $sysinc $sysent >> $syssw
  598 cat $sysarg $sysdcl \
  599         $syscompat $syscompatdcl \
  600         $syscompat4 $syscompat4dcl \
  601         $syscompat6 $syscompat6dcl \
  602         $syscompat7 $syscompat7dcl \
  603         $sysaue $sysprotoend > $sysproto
  604 cat $systracetmp >> $systrace
  605 

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