makesyscalls.sh

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
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    1 #! /bin/sh -
    2 #       @(#)makesyscalls.sh     8.1 (Berkeley) 6/10/93
    3 # $FreeBSD: releng/8.3/sys/kern/makesyscalls.sh 222555 2011-06-01 05:50:24Z art $
    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                 print > systrace
  194                 print > systracetmp
  195                 savesyscall = syscall
  196                 next
  197         }
  198         $1 ~ /^#[       ]*else/ {
  199                 print > sysent
  200                 print > sysdcl
  201                 print > sysarg
  202                 print > syscompat
  203                 print > syscompat4
  204                 print > syscompat6
  205                 print > syscompat7
  206                 print > sysnames
  207                 print > systrace
  208                 print > systracetmp
  209                 syscall = savesyscall
  210                 next
  211         }
  212         $1 ~ /^#/ {
  213                 print > sysent
  214                 print > sysdcl
  215                 print > sysarg
  216                 print > syscompat
  217                 print > syscompat4
  218                 print > syscompat6
  219                 print > syscompat7
  220                 print > sysnames
  221                 print > systrace
  222                 print > systracetmp
  223                 next
  224         }
  225         syscall != $1 {
  226                 printf "%s: line %d: syscall number out of sync at %d\n",
  227                     infile, NR, syscall
  228                 printf "line is:\n"
  229                 print
  230                 exit 1
  231         }
  232         # Returns true if the type "name" is the first flag in the type field
  233         function type(name, flags, n) {
  234                 n = split($3, flags, /\|/)
  235                 return (n > 0 && flags[1] == name)
  236         }
  237         # Returns true if the flag "name" is set in the type field
  238         function flag(name, flags, i, n) {
  239                 n = split($3, flags, /\|/)
  240                 for (i = 1; i <= n; i++)
  241                         if (flags[i] == name)
  242                                 return 1
  243                 return 0
  244         }
  245         function align_sysent_comment(column) {
  246                 printf("\t") > sysent
  247                 column = column + 8 - column % 8
  248                 while (column < 56) {
  249                         printf("\t") > sysent
  250                         column = column + 8
  251                 }
  252         }
  253         function parserr(was, wanted) {
  254                 printf "%s: line %d: unexpected %s (expected %s)\n",
  255                     infile, NR, was, wanted
  256                 exit 1
  257         }
  258         function parseline() {
  259                 f=4                     # toss number, type, audit event
  260                 argc= 0;
  261                 argssize = "0"
  262                 if ($NF != "}") {
  263                         funcalias=$(NF-2)
  264                         argalias=$(NF-1)
  265                         rettype=$NF
  266                         end=NF-3
  267                 } else {
  268                         funcalias=""
  269                         argalias=""
  270                         rettype="int"
  271                         end=NF
  272                 }
  273                 if (flag("NODEF")) {
  274                         auditev="AUE_NULL"
  275                         funcname=$4
  276                         argssize = "AS(" $6 ")"
  277                         return
  278                 }
  279                 if ($f != "{")
  280                         parserr($f, "{")
  281                 f++
  282                 if ($end != "}")
  283                         parserr($end, "}")
  284                 end--
  285                 if ($end != ";")
  286                         parserr($end, ";")
  287                 end--
  288                 if ($end != ")")
  289                         parserr($end, ")")
  290                 end--
  291 
  292                 f++     #function return type
  293 
  294                 funcname=$f
  295                 if (funcalias == "")
  296                         funcalias = funcname
  297                 if (argalias == "") {
  298                         argalias = funcname "_args"
  299                         if (flag("COMPAT"))
  300                                 argalias = "o" argalias
  301                         if (flag("COMPAT4"))
  302                                 argalias = "freebsd4_" argalias
  303                         if (flag("COMPAT6"))
  304                                 argalias = "freebsd6_" argalias
  305                         if (flag("COMPAT7"))
  306                                 argalias = "freebsd7_" argalias
  307                 }
  308                 f++
  309 
  310                 if ($f != "(")
  311                         parserr($f, ")")
  312                 f++
  313 
  314                 if (f == end) {
  315                         if ($f != "void")
  316                                 parserr($f, "argument definition")
  317                         return
  318                 }
  319 
  320                 while (f <= end) {
  321                         argc++
  322                         argtype[argc]=""
  323                         oldf=""
  324                         while (f < end && $(f+1) != ",") {
  325                                 if (argtype[argc] != "" && oldf != "*")
  326                                         argtype[argc] = argtype[argc]" ";
  327                                 argtype[argc] = argtype[argc]$f;
  328                                 oldf = $f;
  329                                 f++
  330                         }
  331                         if (argtype[argc] == "")
  332                                 parserr($f, "argument definition")
  333                         argname[argc]=$f;
  334                         f += 2;                 # skip name, and any comma
  335                 }
  336                 if (argc != 0)
  337                         argssize = "AS(" argalias ")"
  338         }
  339         {       comment = $4
  340                 if (NF < 7)
  341                         for (i = 5; i <= NF; i++)
  342                                 comment = comment " " $i
  343         }
  344 
  345         #
  346         # The AUE_ audit event identifier.
  347         #
  348         {
  349                 auditev = $2;
  350         }
  351 
  352         #
  353         # The currently-empty flags field.
  354         #
  355         {
  356                 flags = "0";
  357         }
  358 
  359         type("STD") || type("NODEF") || type("NOARGS") || type("NOPROTO") \
  360             || type("NOSTD") {
  361                 parseline()
  362                 printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall) > systrace
  363                 printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systracetmp
  364                 if (argc > 0) {
  365                         printf("\t\tswitch(ndx) {\n") > systracetmp
  366                         printf("\t\tstruct %s *p = params;\n", argalias) > systrace
  367                         for (i = 1; i <= argc; i++) {
  368                                 printf("\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", i - 1, argtype[i]) > systracetmp
  369                                 if (index(argtype[i], "*") > 0 || argtype[i] == "caddr_t")
  370                                         printf("\t\tuarg[%d] = (intptr_t) p->%s; /* %s */\n", \
  371                                              i - 1, \
  372                                              argname[i], argtype[i]) > systrace
  373                                 else if (substr(argtype[i], 1, 1) == "u" || argtype[i] == "size_t")
  374                                         printf("\t\tuarg[%d] = p->%s; /* %s */\n", \
  375                                              i - 1, \
  376                                              argname[i], argtype[i]) > systrace
  377                                 else
  378                                         printf("\t\tiarg[%d] = p->%s; /* %s */\n", \
  379                                              i - 1, \
  380                                              argname[i], argtype[i]) > systrace
  381                         }
  382                         printf("\t\tdefault:\n\t\t\tbreak;\n\t\t};\n") > systracetmp
  383                 }
  384                 printf("\t\t*n_args = %d;\n\t\tbreak;\n\t}\n", argc) > systrace
  385                 printf("\t\tbreak;\n") > systracetmp
  386                 if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
  387                     !flag("NODEF")) {
  388                         printf("struct %s {\n", argalias) > sysarg
  389                         for (i = 1; i <= argc; i++)
  390                                 printf("\tchar %s_l_[PADL_(%s)]; " \
  391                                     "%s %s; char %s_r_[PADR_(%s)];\n",
  392                                     argname[i], argtype[i],
  393                                     argtype[i], argname[i],
  394                                     argname[i], argtype[i]) > sysarg
  395                         printf("};\n") > sysarg
  396                 }
  397                 else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
  398                         printf("struct %s {\n\tregister_t dummy;\n};\n",
  399                             argalias) > sysarg
  400                 if (!flag("NOPROTO") && !flag("NODEF")) {
  401                         printf("%s\t%s(struct thread *, struct %s *)",
  402                             rettype, funcname, argalias) > sysdcl
  403                         printf(";\n") > sysdcl
  404                         printf("#define\t%sAUE_%s\t%s\n", syscallprefix,
  405                             funcalias, auditev) > sysaue
  406                 }
  407                 printf("\t{ %s, (sy_call_t *)", argssize) > sysent
  408                 column = 8 + 2 + length(argssize) + 15
  409                 if (flag("NOSTD")) {
  410                         printf("%s },", "lkmressys, AUE_NULL, NULL, 0, 0, 0") > sysent
  411                         column = column + length("lkmressys") + length("AUE_NULL") + 3
  412                 } else {
  413                         printf("%s, %s, NULL, 0, 0, %s },", funcname, auditev, flags) > sysent
  414                         column = column + length(funcname) + length(auditev) + length(flags) + 3
  415                 } 
  416                 align_sysent_comment(column)
  417                 printf("/* %d = %s */\n", syscall, funcalias) > sysent
  418                 printf("\t\"%s\",\t\t\t/* %d = %s */\n",
  419                     funcalias, syscall, funcalias) > sysnames
  420                 if (!flag("NODEF")) {
  421                         printf("#define\t%s%s\t%d\n", syscallprefix,
  422                             funcalias, syscall) > syshdr
  423                         printf(" \\\n\t%s.o", funcalias) > sysmk
  424                 }
  425                 syscall++
  426                 next
  427         }
  428         type("COMPAT") || type("COMPAT4") || type("COMPAT6") || \
  429             type("COMPAT7") {
  430                 if (flag("COMPAT")) {
  431                         ncompat++
  432                         out = syscompat
  433                         outdcl = syscompatdcl
  434                         wrap = "compat"
  435                         prefix = "o"
  436                         descr = "old"
  437                 } else if (flag("COMPAT4")) {
  438                         ncompat4++
  439                         out = syscompat4
  440                         outdcl = syscompat4dcl
  441                         wrap = "compat4"
  442                         prefix = "freebsd4_"
  443                         descr = "freebsd4"
  444                 } else if (flag("COMPAT6")) {
  445                         ncompat6++
  446                         out = syscompat6
  447                         outdcl = syscompat6dcl
  448                         wrap = "compat6"
  449                         prefix = "freebsd6_"
  450                         descr = "freebsd6"
  451                 } else if (flag("COMPAT7")) {
  452                         ncompat7++
  453                         out = syscompat7
  454                         outdcl = syscompat7dcl
  455                         wrap = "compat7"
  456                         prefix = "freebsd7_"
  457                         descr = "freebsd7"
  458                 }
  459                 parseline()
  460                 if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \
  461                     !flag("NODEF")) {
  462                         printf("struct %s {\n", argalias) > out
  463                         for (i = 1; i <= argc; i++)
  464                                 printf("\tchar %s_l_[PADL_(%s)]; %s %s; " \
  465                                     "char %s_r_[PADR_(%s)];\n",
  466                                     argname[i], argtype[i],
  467                                     argtype[i], argname[i],
  468                                     argname[i], argtype[i]) > out
  469                         printf("};\n") > out
  470                 }
  471                 else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF"))
  472                         printf("struct %s {\n\tregister_t dummy;\n};\n",
  473                             argalias) > sysarg
  474                 if (!flag("NOPROTO") && !flag("NODEF")) {
  475                         printf("%s\t%s%s(struct thread *, struct %s *);\n",
  476                             rettype, prefix, funcname, argalias) > outdcl
  477                         printf("#define\t%sAUE_%s%s\t%s\n", syscallprefix,
  478                             prefix, funcname, auditev) > sysaue
  479                 }
  480                 if (flag("NOSTD")) {
  481                         printf("\t{ %s, (sy_call_t *)%s, %s, NULL, 0, 0, 0 },",
  482                             "0", "lkmressys", "AUE_NULL") > sysent
  483                         align_sysent_comment(8 + 2 + length("0") + 15 + \
  484                             length("lkmressys") + length("AUE_NULL") + 3)
  485                 } else {
  486                         printf("\t{ %s(%s,%s), %s, NULL, 0, 0, %s },",
  487                             wrap, argssize, funcname, auditev, flags) > sysent
  488                         align_sysent_comment(8 + 9 + length(argssize) + 1 + \
  489                             length(funcname) + length(auditev) + \
  490                             length(flags) + 4)
  491                 }
  492                 printf("/* %d = %s %s */\n", syscall, descr, funcalias) > sysent
  493                 printf("\t\"%s.%s\",\t\t/* %d = %s %s */\n",
  494                     wrap, funcalias, syscall, descr, funcalias) > sysnames
  495                 if (flag("COMPAT")) {
  496                         printf("\t\t\t\t/* %d is old %s */\n",
  497                             syscall, funcalias) > syshdr
  498                 } else if (!flag("NODEF")) {
  499                         printf("#define\t%s%s%s\t%d\n", syscallprefix,
  500                             prefix, funcalias, syscall) > syshdr
  501                         printf(" \\\n\t%s%s.o", prefix, funcalias) > sysmk
  502                 }
  503                 syscall++
  504                 next
  505         }
  506         type("LIBCOMPAT") {
  507                 ncompat++
  508                 parseline()
  509                 printf("%s\to%s();\n", rettype, funcname) > syscompatdcl
  510                 printf("\t{ compat(%s,%s), %s, NULL, 0, 0, %s },",
  511                     argssize, funcname, auditev, flags) > sysent
  512                 align_sysent_comment(8 + 9 + \
  513                     length(argssize) + 1 + length(funcname) + length(auditev) + length(flags) + 4)
  514                 printf("/* %d = old %s */\n", syscall, funcalias) > sysent
  515                 printf("\t\"old.%s\",\t\t/* %d = old %s */\n",
  516                     funcalias, syscall, funcalias) > sysnames
  517                 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n",
  518                     syscallprefix, funcalias, syscall) > syshdr
  519                 printf(" \\\n\t%s.o", funcalias) > sysmk
  520                 syscall++
  521                 next
  522         }
  523         type("OBSOL") {
  524                 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0 },") > sysent
  525                 align_sysent_comment(34)
  526                 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent
  527                 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n",
  528                     $4, syscall, comment) > sysnames
  529                 printf("\t\t\t\t/* %d is obsolete %s */\n",
  530                     syscall, comment) > syshdr
  531                 syscall++
  532                 next
  533         }
  534         type("UNIMPL") {
  535                 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0 },\t\t\t/* %d = %s */\n",
  536                     syscall, comment) > sysent
  537                 printf("\t\"#%d\",\t\t\t/* %d = %s */\n",
  538                     syscall, syscall, comment) > sysnames
  539                 syscall++
  540                 next
  541         }
  542         {
  543                 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $3
  544                 exit 1
  545         }
  546         END {
  547                 printf "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n" > sysinc
  548 
  549                 if (ncompat != 0 || ncompat4 != 0 || ncompat6 != 0 || ncompat7 != 0)
  550                         printf "#include \"opt_compat.h\"\n\n" > syssw
  551 
  552                 if (ncompat != 0) {
  553                         printf "\n#ifdef %s\n", compat > sysinc
  554                         printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc
  555                         printf "#else\n" > sysinc
  556                         printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc
  557                         printf "#endif\n" > sysinc
  558                 }
  559 
  560                 if (ncompat4 != 0) {
  561                         printf "\n#ifdef %s\n", compat4 > sysinc
  562                         printf "#define compat4(n, name) n, (sy_call_t *)__CONCAT(freebsd4_,name)\n" > sysinc
  563                         printf "#else\n" > sysinc
  564                         printf "#define compat4(n, name) 0, (sy_call_t *)nosys\n" > sysinc
  565                         printf "#endif\n" > sysinc
  566                 }
  567 
  568                 if (ncompat6 != 0) {
  569                         printf "\n#ifdef %s\n", compat6 > sysinc
  570                         printf "#define compat6(n, name) n, (sy_call_t *)__CONCAT(freebsd6_,name)\n" > sysinc
  571                         printf "#else\n" > sysinc
  572                         printf "#define compat6(n, name) 0, (sy_call_t *)nosys\n" > sysinc
  573                         printf "#endif\n" > sysinc
  574                 }
  575 
  576                 if (ncompat7 != 0) {
  577                         printf "\n#ifdef %s\n", compat7 > sysinc
  578                         printf "#define compat7(n, name) n, (sy_call_t *)__CONCAT(freebsd7_,name)\n" > sysinc
  579                         printf "#else\n" > sysinc
  580                         printf "#define compat7(n, name) 0, (sy_call_t *)nosys\n" > sysinc
  581                         printf "#endif\n" > sysinc
  582                 }
  583 
  584                 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl
  585                 printf("\n#endif /* %s */\n\n", compat4) > syscompat4dcl
  586                 printf("\n#endif /* %s */\n\n", compat6) > syscompat6dcl
  587                 printf("\n#endif /* %s */\n\n", compat7) > syscompat7dcl
  588 
  589                 printf("\n#undef PAD_\n") > sysprotoend
  590                 printf("#undef PADL_\n") > sysprotoend
  591                 printf("#undef PADR_\n") > sysprotoend
  592                 printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend
  593 
  594                 printf("\n") > sysmk
  595                 printf("};\n") > sysent
  596                 printf("};\n") > sysnames
  597                 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \
  598                     > syshdr
  599                 printf "\tdefault:\n\t\t*n_args = 0;\n\t\tbreak;\n\t};\n}\n" > systrace
  600                 printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systracetmp
  601         } '
  602 
  603 cat $sysinc $sysent >> $syssw
  604 cat $sysarg $sysdcl \
  605         $syscompat $syscompatdcl \
  606         $syscompat4 $syscompat4dcl \
  607         $syscompat6 $syscompat6dcl \
  608         $syscompat7 $syscompat7dcl \
  609         $sysaue $sysprotoend > $sysproto
  610 cat $systracetmp >> $systrace
  611
Cache object: 2e55427849eda4cdbf50d93de30f3061
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FreeBSD/Linux Kernel Cross Reference sys/kern/makesyscalls.sh

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