1#! /bin/sh - 2# @(#)makesyscalls.sh 8.1 (Berkeley) 6/10/93 3# $FreeBSD: src/sys/kern/makesyscalls.sh,v 1.39.2.4 2001/10/20 09:01:24 marcel Exp $ 4# $DragonFly: src/sys/kern/makesyscalls.sh,v 1.12 2005/08/02 13:03:55 joerg Exp $ 5 6set -e 7 8# name of compat option: 9compat=COMPAT_43 10# name of DragonFly 1.2 compat option 11compatdf12=COMPAT_DF12 12 13# output files: 14sysnames="syscalls.c" 15sysproto="../sys/sysproto.h" 16sysunion="../sys/sysunion.h" 17sysproto_h=_SYS_SYSPROTO_H_ 18syshdr="../sys/syscall.h" 19sysmk="../sys/syscall.mk" 20syssw="init_sysent.c" 21syshide="../sys/syscall-hide.h" 22sysargs="../sys/syscall-args" 23syscallprefix="SYS_" 24switchname="sysent" 25namesname="syscallnames" 26 27# tmp files: 28sysdcl="sysent.dcl.$$" 29syscompat="sysent.compat.$$" 30syscompatdf12="sysent.compatdf12.$$" 31syscompatdcl="sysent.compatdcl.$$" 32syscompatdcldf12="sysent.compatdcldf12.$$" 33sysent="sysent.switch.$$" 34sysinc="sysinc.switch.$$" 35sysarg="sysarg.switch.$$" 36sysun="sysunion.switch.$$" 37 38trap "rm $sysdcl $syscompat $syscompatdf12 $syscompatdcl $syscompatdcldf12 $sysent $sysinc $sysarg $sysun" 0 39 40touch $sysdcl $syscompat $syscompatdf12 $syscompatdcl $syscompatdf12 $sysent $sysinc $sysarg $sysun 41 42case $# in 43 0) echo "Usage: $0 input-file <config-file>" 1>&2 44 exit 1 45 ;; 46esac 47 48if [ -n "$2" -a -f "$2" ]; then 49 . $2 50fi 51 52sed -e ' 53s/\$//g 54:join 55 /\\$/{a\ 56 57 N 58 s/\\\n// 59 b join 60 } 612,${ 62 /^#/!s/\([{}()*,]\)/ \1 /g 63} 64' < $1 | awk " 65 BEGIN { 66 sysdcl = \"$sysdcl\" 67 sysproto = \"$sysproto\" 68 sysproto_h = \"$sysproto_h\" 69 syscompat = \"$syscompat\" 70 syscompatdf12 = \"$syscompatdf12\" 71 syscompatdcl = \"$syscompatdcl\" 72 syscompatdcldf12 = \"$syscompatdcldf12\" 73 sysent = \"$sysent\" 74 syssw = \"$syssw\" 75 sysinc = \"$sysinc\" 76 sysarg = \"$sysarg\" 77 sysun = \"$sysun\" 78 sysnames = \"$sysnames\" 79 syshdr = \"$syshdr\" 80 sysmk = \"$sysmk\" 81 compat = \"$compat\" 82 compatdf12 = \"$compatdf12\" 83 syshide = \"$syshide\" 84 syscallprefix = \"$syscallprefix\" 85 switchname = \"$switchname\" 86 namesname = \"$namesname\" 87 infile = \"$1\" 88 sysargs = \"$sysargs\" 89 "' 90 91 printf "/*\n * System call switch table.\n *\n" > syssw 92 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syssw 93 printf " * \$\DragonFly\$\n" > syssw 94 95 printf "/*\n * System call prototypes.\n *\n" > sysarg 96 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysarg 97 printf " * \$\DragonFly\$\n" > sysarg 98 99 printf "\n#ifdef %s\n\n", compat > syscompat 100 printf "\n#ifdef %s\n\n", compatdf12 > syscompatdf12 101 102 printf "/*\n * System call names.\n *\n" > sysnames 103 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames 104 printf " * \$\DragonFly\$\n" > sysnames 105 106 printf "/*\n * System call numbers.\n *\n" > syshdr 107 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr 108 printf " * \$\DragonFly\$\n" > syshdr 109 printf "# DragonFly system call names.\n" > sysmk 110 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysmk 111 printf "# \$\DragonFly\$\n" > sysmk 112 printf "/*\n * System call hiders.\n *\n" > syshide 113 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshide 114 printf " * \$\DragonFly\$\n" > syshide 115 116 printf "/*\n * Union of syscall args for messaging.\n *\n" > sysun 117 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysun 118 printf " * \$\DragonFly\$\n" > sysun 119 printf "\n#ifdef _KERNEL\n\n" > sysdcl 120 printf "\n#ifdef _KERNEL\n\n" > syscompatdcl 121 printf "\n#ifdef _KERNEL\n\n" > syscompatdcldf12 122 123 printf "# System call argument table.\n" > sysargs 124 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysargs 125 printf "# \$\DragonFly\$\n" > sysargs 126 } 127 NR == 1 { 128 gsub("[$]DragonFly: ", "", $0) 129 gsub(" [$]", "", $0) 130 131 printf " * created from%s\n */\n\n", $0 > syssw 132 133 printf "\n/* The casts are bogus but will do for now. */\n" > sysent 134 printf "struct sysent %s[] = {\n",switchname > sysent 135 136 printf " * created from%s\n */\n\n", $0 > sysarg 137 printf "#ifndef %s\n", sysproto_h > sysarg 138 printf "#define\t%s\n\n", sysproto_h > sysarg 139 printf "#include <sys/signal.h>\n\n" > sysarg 140 printf "#include <sys/acl.h>\n\n" > sysarg 141 printf "#include <sys/msgport.h>\n\n" > sysarg 142 printf "#include <sys/sysmsg.h>\n\n" > sysarg 143 printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg 144 printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg 145 146 printf " * created from%s\n */\n\n", $0 > sysnames 147 printf "char *%s[] = {\n", namesname > sysnames 148 149 printf " * created from%s\n */\n\n", $0 > syshdr 150 151 printf "# created from%s\nMIASM = ", $0 > sysmk 152 153 printf " * created from%s\n */\n\n", $0 > syshide 154 printf " * created from%s\n */\n\n", $0 > sysun 155 printf "union sysunion {\n" > sysun 156 printf "#ifdef _KERNEL /* header only applies in kernel */\n" > sysun 157 printf "\tstruct\tlwkt_msg lmsg;\n" > sysun 158 printf "\tstruct\tsysmsg sysmsg;\n" > sysun 159 printf "#endif\n" > sysun 160 161 printf "\n# Created from%s\n\n", $0 > sysargs 162 next 163 } 164 NF == 0 || $1 ~ /^;/ { 165 next 166 } 167 $1 ~ /^#[ ]*include/ { 168 print > sysinc 169 next 170 } 171 $1 ~ /^#[ ]*if/ { 172 print > sysent 173 print > sysdcl 174 print > sysarg 175 print > syscompat 176 print > syscompatdf12 177 print > sysnames 178 print > syshide 179 print > sysun 180 savesyscall = syscall 181 next 182 } 183 $1 ~ /^#[ ]*else/ { 184 print > sysent 185 print > sysdcl 186 print > sysarg 187 print > sysun 188 print > syscompat 189 print > syscompatdf12 190 print > sysnames 191 print > syshide 192 syscall = savesyscall 193 next 194 } 195 $1 ~ /^#/ { 196 print > sysent 197 print > sysdcl 198 print > sysarg 199 print > sysun 200 print > syscompat 201 print > syscompatdf12 202 print > sysnames 203 print > syshide 204 next 205 } 206 syscall != $1 { 207 printf "%s: line %d: syscall number out of sync at %d\n", 208 infile, NR, syscall 209 printf "line is:\n" 210 print 211 exit 1 212 } 213 function align_sysent_comment(column) { 214 printf("\t") > sysent 215 column = column + 8 - column % 8 216 while (column < 56) { 217 printf("\t") > sysent 218 column = column + 8 219 } 220 } 221 function parserr(was, wanted) { 222 printf "%s: line %d: unexpected %s (expected %s)\n", 223 infile, NR, was, wanted 224 exit 1 225 } 226 function parseline() { 227 f=4 # toss number and type 228 argc= 0; 229 argssize = "0" 230 if ($NF != "}") { 231 funcalias=$(NF-2) 232 argalias=$(NF-1) 233 rettype=$NF 234 end=NF-3 235 } else { 236 funcalias="" 237 argalias="" 238 rettype="int" 239 end=NF 240 } 241 if ($2 == "NODEF") { 242 funcname=$4 243 argssize = "AS(" $6 ")" 244 return 245 } 246 if ($f != "{") 247 parserr($f, "{") 248 f++ 249 if ($end != "}") 250 parserr($end, "}") 251 end-- 252 if ($end != ";") 253 parserr($end, ";") 254 end-- 255 if ($end != ")") 256 parserr($end, ")") 257 end-- 258 259 f++ #function return type 260 261 funcname=$f 262 usefuncname=$f 263 if (funcalias == "") 264 funcalias = funcname 265 if (argalias == "") { 266 argalias = funcname "_args" 267 if ($2 == "COMPAT") { 268 argalias = "o" argalias 269 usefuncname = "o" funcname 270 } 271 if ($2 == "COMPAT_DF12") { 272 argalias = "dfbsd12_" argalias 273 usefuncname = "dfbsd12_" funcname 274 } 275 } 276 f++ 277 278 if ($f != "(") 279 parserr($f, ")") 280 f++ 281 282 if (f == end) { 283 if ($f != "void") 284 parserr($f, "argument definition") 285 return 286 } 287 288 while (f <= end) { 289 argc++ 290 argtype[argc]="" 291 oldf="" 292 while (f < end && $(f+1) != ",") { 293 if (argtype[argc] != "" && oldf != "*") 294 argtype[argc] = argtype[argc]" "; 295 argtype[argc] = argtype[argc]$f; 296 oldf = $f; 297 f++ 298 } 299 if (argtype[argc] == "") 300 parserr($f, "argument definition") 301 argname[argc]=$f; 302 f += 2; # skip name, and any comma 303 } 304 if (argc != 0) 305 argssize = "AS(" argalias ")" 306 } 307 { comment = $4 308 if (NF < 7) 309 for (i = 5; i <= NF; i++) 310 comment = comment " " $i 311 } 312 # if the "MPSAFE" keyword is found, note it and shift the line 313 mpsafe = "" 314 $2 == "MPSAFE" { 315 for (i = 2; i <= NF; i++) 316 $i = $(i + 1); 317 NF -= 1; 318 mpsafe = "SYF_MPSAFE | " 319 } 320 $2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "NOPROTO" \ 321 || $2 == "NOIMPL" { 322 parseline() 323 if ((!nosys || funcname != "nosys") && \ 324 (funcname != "lkmnosys")) { 325 if (argc != 0 && $2 != "NOARGS" && $2 != "NOPROTO") { 326 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun 327 printf("struct\t%s {\n", argalias) > sysarg 328 printf("#ifdef _KERNEL\n") > sysarg 329 printf("\tstruct sysmsg sysmsg;\n") > sysarg 330 printf("#endif\n") > sysarg 331 printf("\tunion usrmsg usrmsg;\n") > sysarg 332 for (i = 1; i <= argc; i++) 333 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n", 334 argtype[i], argname[i], 335 argname[i], argtype[i]) > sysarg 336 printf("};\n") > sysarg 337 } 338 else if ($2 != "NOARGS" && $2 != "NOPROTO" && \ 339 $2 != "NODEF") { 340 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun 341 printf("struct\t%s {\n", argalias) > sysarg 342 printf("#ifdef _KERNEL\n") > sysarg 343 printf("\tstruct sysmsg sysmsg;\n") > sysarg 344 printf("#endif\n") > sysarg 345 printf("\tunion usrmsg usrmsg;\n") > sysarg 346 printf("\tregister_t dummy;\n") > sysarg 347 printf("};\n") > sysarg 348 } 349 } 350 if (($2 != "NOPROTO" && $2 != "NODEF" && \ 351 (funcname != "nosys" || !nosys)) || \ 352 (funcname == "lkmnosys" && !lkmnosys) || \ 353 funcname == "lkmressys") { 354 printf("%s\t%s (struct %s *)", 355 rettype, funcname, argalias) > sysdcl 356 printf(";\n") > sysdcl 357 } 358 if (funcname == "nosys") 359 nosys = 1 360 if (funcname == "lkmnosys") 361 lkmnosys = 1 362 printf("\t{ %s%s, (sy_call_t *)", mpsafe, argssize) > sysent 363 column = 8 + 2 + length(mpsafe) + length(argssize) + 15 364 if ($2 != "NOIMPL") { 365 printf("%s },", funcname) > sysent 366 column = column + length(funcname) + 3 367 } else { 368 printf("%s },", "nosys") > sysent 369 column = column + length("nosys") + 3 370 } 371 align_sysent_comment(column) 372 printf("/* %d = %s */\n", syscall, funcalias) > sysent 373 printf("\t\"%s\",\t\t\t/* %d = %s */\n", 374 funcalias, syscall, funcalias) > sysnames 375 if ($2 != "NODEF") { 376 printf("#define\t%s%s\t%d\n", syscallprefix, 377 funcalias, syscall) > syshdr 378 printf(" \\\n\t%s.o", funcalias) > sysmk 379 printf("%s\t%s\t%s\t%s", rettype, funcalias, usefuncname, argalias) > sysargs 380 for (i = 1; i <= argc; i++) 381 printf("\t%s\t%s", argtype[i], argname[i]) > sysargs 382 printf("\n") > sysargs 383 } 384 if ($3 != "NOHIDE") 385 printf("HIDE_%s(%s)\n", $3, funcname) > syshide 386 syscall++ 387 next 388 } 389 $2 == "COMPAT" || $2 == "CPT_NOA" { 390 ncompat++ 391 parseline() 392 if (argc != 0 && $2 != "CPT_NOA") { 393 printf("#ifdef %s\n", compat) > sysun 394 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun 395 printf("#endif\n") > sysun 396 printf("struct\t%s {\n", argalias) > syscompat 397 printf("#ifdef _KERNEL\n") > syscompat 398 printf("\tstruct sysmsg sysmsg;\n") > syscompat 399 printf("#endif\n") > syscompat 400 printf("\tunion usrmsg usrmsg;\n") > syscompat 401 for (i = 1; i <= argc; i++) 402 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n", 403 argtype[i], argname[i], 404 argname[i], argtype[i]) > syscompat 405 printf("};\n") > syscompat 406 } 407 else if($2 != "CPT_NOA") { 408 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun 409 printf("struct\t%s {\n", argalias) > sysarg 410 printf("#ifdef _KERNEL\n") > sysarg 411 printf("\tstruct sysmsg sysmsg;\n") > sysarg 412 printf("#endif\n") > sysarg 413 printf("\tunion usrmsg usrmsg;\n") > sysarg 414 printf("\tregister_t dummy;\n") > sysarg 415 printf("};\n") > sysarg 416 } 417 printf("%s\to%s (struct %s *);\n", 418 rettype, funcname, argalias) > syscompatdcl 419 printf("\t{ compat(%s%s,%s) },", 420 mpsafe, argssize, funcname) > sysent 421 align_sysent_comment(8 + 9 + length(mpsafe) + \ 422 length(argssize) + 1 + length(funcname) + 4) 423 printf("/* %d = old %s */\n", syscall, funcalias) > sysent 424 printf("\t\"old.%s\",\t\t/* %d = old %s */\n", 425 funcalias, syscall, funcalias) > sysnames 426 printf("\t\t\t\t/* %d is old %s */\n", 427 syscall, funcalias) > syshdr 428 if ($3 != "NOHIDE") 429 printf("HIDE_%s(%s)\n", $3, funcname) > syshide 430 syscall++ 431 next 432 } 433 $2 == "COMPAT_DF12" { 434 ncompatdf12++ 435 parseline() 436 if (argc != 0) { 437 printf("#ifdef %s\n", compatdf12) > sysun 438 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun 439 printf("#endif\n") > sysun 440 printf("struct\t%s {\n", argalias) > syscompatdf12 441 printf("#ifdef _KERNEL\n") > syscompatdf12 442 printf("\tstruct sysmsg sysmsg;\n") > syscompatdf12 443 printf("#endif\n") > syscompatdf12 444 printf("\tunion usrmsg usrmsg;\n") > syscompatdf12 445 for (i = 1; i <= argc; i++) 446 printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n", 447 argtype[i], argname[i], 448 argname[i], argtype[i]) > syscompatdf12 449 printf("};\n") > syscompatdf12 450 } 451 else { 452 printf("\tstruct\t%s %s;\n", argalias, usefuncname) > sysun 453 printf("struct\t%s {\n", argalias) > sysarg 454 printf("#ifdef _KERNEL\n") > sysarg 455 printf("\tstruct sysmsg sysmsg;\n") > sysarg 456 printf("#endif\n") > sysarg 457 printf("\tunion usrmsg usrmsg;\n") > sysarg 458 printf("\tregister_t dummy;\n") > sysarg 459 printf("};\n") > sysarg 460 } 461 printf("%s\tdfbsd12_%s (struct %s *);\n", 462 rettype, funcname, argalias) > syscompatdcldf12 463 printf("\t{ compatdf12(%s%s,%s) },", 464 mpsafe, argssize, funcname) > sysent 465 align_sysent_comment(8 + 9 + length(mpsafe) + \ 466 length(argssize) + 1 + length(funcname) + 4) 467 printf("/* %d = old %s */\n", syscall, funcalias) > sysent 468 printf("\t\"old.%s\",\t\t/* %d = old %s */\n", 469 funcalias, syscall, funcalias) > sysnames 470 printf("\t\t\t\t/* %d is old %s */\n", 471 syscall, funcalias) > syshdr 472 if ($3 != "NOHIDE") 473 printf("HIDE_%s(%s)\n", $3, funcname) > syshide 474 syscall++ 475 next 476 } 477 $2 == "LIBCOMPAT" { 478 ncompat++ 479 parseline() 480 printf("%s\to%s();\n", rettype, funcname) > syscompatdcl 481 printf("\t{ compat(%s%s,%s) },", 482 mpsafe, argssize, funcname) > sysent 483 align_sysent_comment(8 + 9 + length(mpsafe) + \ 484 length(argssize) + 1 + length(funcname) + 4) 485 printf("/* %d = old %s */\n", syscall, funcalias) > sysent 486 printf("\t\"old.%s\",\t\t/* %d = old %s */\n", 487 funcalias, syscall, funcalias) > sysnames 488 printf("#define\t%s%s\t%d\t/* compatibility; still used by libc */\n", 489 syscallprefix, funcalias, syscall) > syshdr 490 printf(" \\\n\t%s.o", funcalias) > sysmk 491 printf("%s\t%s\t%s\t%s", rettype, funcalias, usefuncname, argalias) > sysargs 492 for (i = 1; i <= argc; i++) 493 printf("\t%s\t%s", argtype[i], argname[i]) > sysargs 494 printf("\n") > sysargs 495 if ($3 != "NOHIDE") 496 printf("HIDE_%s(%s)\n", $3, funcname) > syshide 497 syscall++ 498 next 499 } 500 $2 == "OBSOL" { 501 printf("\t{ 0, (sy_call_t *)nosys },") > sysent 502 align_sysent_comment(34) 503 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent 504 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n", 505 $4, syscall, comment) > sysnames 506 printf("\t\t\t\t/* %d is obsolete %s */\n", 507 syscall, comment) > syshdr 508 if ($3 != "NOHIDE") 509 printf("HIDE_%s(%s)\n", $3, $4) > syshide 510 syscall++ 511 next 512 } 513 $2 == "UNIMPL" { 514 printf("\t{ 0, (sy_call_t *)nosys },\t\t\t/* %d = %s */\n", 515 syscall, comment) > sysent 516 printf("\t\"#%d\",\t\t\t/* %d = %s */\n", 517 syscall, syscall, comment) > sysnames 518 if ($3 != "NOHIDE") 519 printf("HIDE_%s(%s)\n", $3, $4) > syshide 520 syscall++ 521 next 522 } 523 { 524 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2 525 exit 1 526 } 527 END { 528 printf "\n#define AS(name) ((sizeof(struct name) - sizeof(struct sysmsg) - sizeof(union usrmsg)) / sizeof(register_t))\n" > sysinc 529 if (ncompat != 0) { 530 printf "#include \"opt_compat.h\"\n\n" > syssw 531 printf "\n#ifdef %s\n", compat > sysinc 532 printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc 533 printf "#else\n" > sysinc 534 printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc 535 printf "#endif\n" > sysinc 536 } 537 538 if (ncompatdf12 != 0) { 539 printf "#include \"opt_compatdf12.h\"\n\n" > syssw 540 printf "\n#ifdef %s\n", compatdf12 > sysinc 541 printf "#define compatdf12(n, name) n, (sy_call_t *)__CONCAT(dfbsd12_,name)\n" > sysinc 542 printf "#else\n" > sysinc 543 printf "#define compatdf12(n, name) 0, (sy_call_t *)nosys\n" > sysinc 544 printf "#endif\n" > sysinc 545 } 546 547 printf("\n#endif /* _KERNEL */\n") > syscompatdcl 548 printf("\n#endif /* _KERNEL */\n") > syscompatdcldf12 549 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl 550 printf("\n#endif /* %s */\n\n", compatdf12) > syscompatdcldf12 551 552 printf("\n") > sysmk 553 printf("};\n") > sysent 554 printf("};\n") > sysnames 555 printf("};\n") > sysun 556 printf("\n#endif /* !%s */\n", sysproto_h) > sysdcl 557 printf("#undef PAD_\n") > sysdcl 558 printf("\n#endif /* _KERNEL */\n") > sysdcl 559 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \ 560 > syshdr 561 } ' 562 563cat $sysinc $sysent >> $syssw 564cat $sysarg $syscompat $syscompatdcl $syscompatdf12 $syscompatdcldf12 $sysdcl > $sysproto 565cat $sysun > $sysunion 566