Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/kern/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
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 #! /bin/sh - 2 # @(#)makesyscalls.sh 8.1 (Berkeley) 6/10/93 3 # $FreeBSD$ 4 5 set -e 6 7 # name of compat option: 8 compat=COMPAT_43 9 10 # output files: 11 sysnames="syscalls.c" 12 sysproto="../sys/sysproto.h" 13 sysproto_h=_SYS_SYSPROTO_H_ 14 syshdr="../sys/syscall.h" 15 sysmk="../sys/syscall.mk" 16 syssw="init_sysent.c" 17 syshide="../sys/syscall-hide.h" 18 syscallprefix="SYS_" 19 switchname="sysent" 20 namesname="syscallnames" 21 22 # tmp files: 23 sysdcl="sysent.dcl.$$" 24 syscompat="sysent.compat.$$" 25 syscompatdcl="sysent.compatdcl.$$" 26 sysent="sysent.switch.$$" 27 sysinc="sysinc.switch.$$" 28 sysarg="sysarg.switch.$$" 29 30 trap "rm $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg" 0 31 32 touch $sysdcl $syscompat $syscompatdcl $sysent $sysinc $sysarg 33 34 case $# in 35 0) echo "Usage: $0 input-file <config-file>" 1>&2 36 exit 1 37 ;; 38 esac 39 40 if [ -n "$2" -a -f "$2" ]; then 41 . $2 42 fi 43 44 sed -e ' 45 s/\$//g 46 :join 47 /\\$/{a\ 48 49 N 50 s/\\\n// 51 b join 52 } 53 2,${ 54 /^#/!s/\([{}()*,]\)/ \1 /g 55 } 56 ' < $1 | awk " 57 BEGIN { 58 sysdcl = \"$sysdcl\" 59 sysproto = \"$sysproto\" 60 sysproto_h = \"$sysproto_h\" 61 syscompat = \"$syscompat\" 62 syscompatdcl = \"$syscompatdcl\" 63 sysent = \"$sysent\" 64 syssw = \"$syssw\" 65 sysinc = \"$sysinc\" 66 sysarg = \"$sysarg\" 67 sysnames = \"$sysnames\" 68 syshdr = \"$syshdr\" 69 sysmk = \"$sysmk\" 70 compat = \"$compat\" 71 syshide = \"$syshide\" 72 syscallprefix = \"$syscallprefix\" 73 switchname = \"$switchname\" 74 namesname = \"$namesname\" 75 infile = \"$1\" 76 "' 77 78 printf "/*\n * System call switch table.\n *\n" > syssw 79 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syssw 80 printf " * \$\FreeBSD\$\n" > syssw 81 82 printf "/*\n * System call prototypes.\n *\n" > sysarg 83 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysarg 84 printf " * \$\FreeBSD\$\n" > sysarg 85 86 printf "\n#ifdef %s\n\n", compat > syscompat 87 88 printf "/*\n * System call names.\n *\n" > sysnames 89 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames 90 printf " * \$\FreeBSD\$\n" > sysnames 91 92 printf "/*\n * System call numbers.\n *\n" > syshdr 93 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr 94 printf " * \$\FreeBSD\$\n" > syshdr 95 printf "# FreeBSD system call names.\n" > sysmk 96 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysmk 97 printf "# \$\FreeBSD\$\n" > sysmk 98 printf "/*\n * System call hiders.\n *\n" > syshide 99 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshide 100 printf " * \$\FreeBSD\$\n" > syshide 101 } 102 NR == 1 { 103 gsub("[$]FreeBSD: ", "", $0) 104 gsub(" [$]", "", $0) 105 106 printf " * created from%s\n */\n\n", $0 > syssw 107 108 printf "\n/* The casts are bogus but will do for now. */\n" > sysent 109 printf "struct sysent %s[] = {\n",switchname > sysent 110 111 printf " * created from%s\n */\n\n", $0 > sysarg 112 printf "#ifndef %s\n", sysproto_h > sysarg 113 printf "#define\t%s\n\n", sysproto_h > sysarg 114 printf "#include <sys/signal.h>\n\n" > sysarg 115 printf "struct proc;\n\n" > sysarg 116 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg 117 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg 118 119 printf " * created from%s\n */\n\n", $0 > sysnames 120 printf "char *%s[] = {\n", namesname > sysnames 121 122 printf " * created from%s\n */\n\n", $0 > syshdr 123 124 printf "# created from%s\nMIASM = ", $0 > sysmk 125 126 printf " * created from%s\n */\n\n", $0 > syshide 127 next 128 } 129 NF == 0 || $1 ~ /^;/ { 130 next 131 } 132 $1 ~ /^#[ ]*include/ { 133 print > sysinc 134 next 135 } 136 $1 ~ /^#[ ]*if/ { 137 print > sysent 138 print > sysdcl 139 print > sysarg 140 print > syscompat 141 print > sysnames 142 print > syshide 143 savesyscall = syscall 144 next 145 } 146 $1 ~ /^#[ ]*else/ { 147 print > sysent 148 print > sysdcl 149 print > sysarg 150 print > syscompat 151 print > sysnames 152 print > syshide 153 syscall = savesyscall 154 next 155 } 156 $1 ~ /^#/ { 157 print > sysent 158 print > sysdcl 159 print > sysarg 160 print > syscompat 161 print > sysnames 162 print > syshide 163 next 164 } 165 syscall != $1 { 166 printf "%s: line %d: syscall number out of sync at %d\n", 167 infile, NR, syscall 168 printf "line is:\n" 169 print 170 exit 1 171 } 172 function parserr(was, wanted) { 173 printf "%s: line %d: unexpected %s (expected %s)\n", 174 infile, NR, was, wanted 175 exit 1 176 } 177 function parseline() { 178 f=4 # toss number and type 179 argc= 0; 180 bigargc = 0; 181 if ($NF != "}") { 182 funcalias=$(NF-2) 183 argalias=$(NF-1) 184 rettype=$NF 185 end=NF-3 186 } else { 187 funcalias="" 188 argalias="" 189 rettype="int" 190 end=NF 191 } 192 if ($2 == "NODEF") { 193 funcname=$4 194 return 195 } 196 if ($f != "{") 197 parserr($f, "{") 198 f++ 199 if ($end != "}") 200 parserr($end, "}") 201 end-- 202 if ($end != ";") 203 parserr($end, ";") 204 end-- 205 if ($end != ")") 206 parserr($end, ")") 207 end-- 208 209 f++ #function return type 210 211 funcname=$f 212 if (funcalias == "") 213 funcalias = funcname 214 if (argalias == "") { 215 argalias = funcname "_args" 216 if ($2 == "COMPAT") 217 argalias = "o" argalias 218 } 219 f++ 220 221 if ($f != "(") 222 parserr($f, ")") 223 f++ 224 225 if (f == end) { 226 if ($f != "void") 227 parserr($f, "argument definition") 228 return 229 } 230 231 while (f <= end) { 232 argc++ 233 argtype[argc]="" 234 oldf="" 235 while (f < end && $(f+1) != ",") { 236 if (argtype[argc] != "" && oldf != "*") 237 argtype[argc] = argtype[argc]" "; 238 argtype[argc] = argtype[argc]$f; 239 oldf = $f; 240 f++ 241 } 242 if (argtype[argc] == "") 243 parserr($f, "argument definition") 244 if (argtype[argc] == "off_t") 245 bigargc++ 246 argname[argc]=$f; 247 f += 2; # skip name, and any comma 248 } 249 } 250 { comment = $4 251 if (NF < 7) 252 for (i = 5; i <= NF; i++) 253 comment = comment " " $i 254 } 255 $2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "NOPROTO" \ 256 || $2 == "NOIMPL" { 257 parseline() 258 if ((!nosys || funcname != "nosys") && \ 259 (funcname != "lkmnosys")) { 260 if (argc != 0 && $2 != "NOARGS" && $2 != "NOPROTO") { 261 printf("struct\t%s {\n", argalias) > sysarg 262 for (i = 1; i <= argc; i++) 263 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n", 264 argtype[i], argname[i], 265 argname[i], argtype[i]) > sysarg 266 printf("};\n") > sysarg 267 } 268 else if($2 != "NOARGS" && $2 != "NOPROTO") 269 printf("struct\t%s {\n\tregister_t dummy;\n};\n", 270 argalias) > sysarg 271 } 272 if ($2 != "NOPROTO" && (!nosys || funcname != "nosys") && \ 273 (!lkmnosys || funcname != "lkmnosys")) { 274 printf("%s\t%s __P((struct proc *, struct %s *))", 275 rettype, funcname, argalias) > sysdcl 276 if (funcname == "exit") 277 printf(" __dead2") > sysdcl 278 printf(";\n") > sysdcl 279 } 280 if (funcname == "nosys") 281 nosys = 1 282 if (funcname == "lkmnosys") 283 lkmnosys = 1 284 if ($2 != "NOIMPL") { 285 printf("\t{ %d, (sy_call_t *)%s },\t\t", 286 argc+bigargc, funcname) > sysent 287 if(length(funcname) < 11) 288 printf("\t") > sysent 289 printf("/* %d = %s */\n", syscall, funcalias) > sysent 290 } else { 291 printf("\t{ %d, (sy_call_t *)%s },\t\t", 292 argc+bigargc, "nosys") > sysent 293 if(length("nosys") < 11) 294 printf("\t") > sysent 295 printf("/* %d = %s */\n", syscall, funcalias) > sysent 296 } 297 printf("\t\"%s\",\t\t\t/* %d = %s */\n", 298 funcalias, syscall, funcalias) > sysnames 299 if ($2 != "NODEF") { 300 printf("#define\t%s%s\t%d\n", syscallprefix, 301 funcalias, syscall) > syshdr 302 printf(" \\\n\t%s.o", funcalias) > sysmk 303 } 304 if ($3 != "NOHIDE") 305 printf("HIDE_%s(%s)\n", $3, funcname) > syshide 306 syscall++ 307 next 308 } 309 $2 == "COMPAT" || $2 == "CPT_NOA" { 310 ncompat++ 311 parseline() 312 if (argc != 0 && $2 != "CPT_NOA") { 313 printf("struct\t%s {\n", argalias) > syscompat 314 for (i = 1; i <= argc; i++) 315 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n", 316 argtype[i], argname[i], 317 argname[i], argtype[i]) > syscompat 318 printf("};\n") > syscompat 319 } 320 else if($2 != "CPT_NOA") 321 printf("struct\t%s {\n\tregister_t dummy;\n};\n", 322 argalias) > sysarg 323 printf("%s\to%s __P((struct proc *, struct %s *));\n", 324 rettype, funcname, argalias) > syscompatdcl 325 printf("\t{ compat(%d,%s) },\t\t/* %d = old %s */\n", 326 argc+bigargc, funcname, syscall, funcalias) > sysent 327 printf("\t\"old.%s\",\t\t/* %d = old %s */\n", 328 funcalias, syscall, funcalias) > sysnames 329 printf("\t\t\t\t/* %d is old %s */\n", 330 syscall, funcalias) > syshdr 331 if ($3 != "NOHIDE") 332 printf("HIDE_%s(%s)\n", $3, funcname) > syshide 333 syscall++ 334 next 335 } 336 $2 == "LIBCOMPAT" { 337 ncompat++ 338 parseline() 339 printf("%s\to%s();\n", rettype, funcname) > syscompatdcl 340 printf("\t{ compat(%d,%s) },\t\t/* %d = old %s */\n", 341 argc+bigargc, funcname, syscall, funcalias) > sysent 342 printf("\t\"old.%s\",\t\t/* %d = old %s */\n", 343 funcalias, syscall, funcalias) > sysnames 344 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n", 345 syscallprefix, funcalias, syscall) > syshdr 346 printf(" \\\n\t%s.o", funcalias) > sysmk 347 if ($3 != "NOHIDE") 348 printf("HIDE_%s(%s)\n", $3, funcname) > syshide 349 syscall++ 350 next 351 } 352 $2 == "OBSOL" { 353 printf("\t{ 0, (sy_call_t *)nosys },\t\t\t/* %d = obsolete %s */\n", 354 syscall, comment) > sysent 355 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n", 356 $4, syscall, comment) > sysnames 357 printf("\t\t\t\t/* %d is obsolete %s */\n", 358 syscall, comment) > syshdr 359 if ($3 != "NOHIDE") 360 printf("HIDE_%s(%s)\n", $3, $4) > syshide 361 syscall++ 362 next 363 } 364 $2 == "UNIMPL" { 365 printf("\t{ 0, (sy_call_t *)nosys },\t\t\t/* %d = %s */\n", 366 syscall, comment) > sysent 367 printf("\t\"#%d\",\t\t\t/* %d = %s */\n", 368 syscall, syscall, comment) > sysnames 369 if ($3 != "NOHIDE") 370 printf("HIDE_%s(%s)\n", $3, $4) > syshide 371 syscall++ 372 next 373 } 374 { 375 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2 376 exit 1 377 } 378 END { 379 if (ncompat != 0) { 380 printf "#include \"opt_compat.h\"\n\n" > syssw 381 printf "\n#ifdef %s\n", compat > sysinc 382 printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc 383 printf "#else\n" > sysinc 384 printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc 385 printf "#endif\n" > sysinc 386 } 387 388 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl 389 printf("#undef PAD_\n") > syscompatdcl 390 printf("\n#endif /* !%s */\n", sysproto_h) > syscompatdcl 391 392 printf("\n") > sysmk 393 printf("};\n") > sysent 394 printf("};\n") > sysnames 395 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \ 396 > syshdr 397 } ' 398 399 cat $sysinc $sysent >> $syssw 400 cat $sysarg $sysdcl $syscompat $syscompatdcl > $sysproto
Cache object: 0f9b32112902920fe21ca1267557466b
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]