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/12.0/sys/kern/makesyscalls.sh 334965 2018-06-11 18:57:40Z emaste $ 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 compat10=COMPAT_FREEBSD10 13 compat11=COMPAT_FREEBSD11 14 15 # output files: 16 sysnames="syscalls.c" 17 sysproto="../sys/sysproto.h" 18 sysproto_h=_SYS_SYSPROTO_H_ 19 syshdr="../sys/syscall.h" 20 sysmk="../sys/syscall.mk" 21 syssw="init_sysent.c" 22 syscallprefix="SYS_" 23 switchname="sysent" 24 namesname="syscallnames" 25 systrace="systrace_args.c" 26 27 # tmp files: 28 sysaue="sysent.aue.$$" 29 sysdcl="sysent.dcl.$$" 30 syscompat="sysent.compat.$$" 31 syscompatdcl="sysent.compatdcl.$$" 32 syscompat4="sysent.compat4.$$" 33 syscompat4dcl="sysent.compat4dcl.$$" 34 syscompat6="sysent.compat6.$$" 35 syscompat6dcl="sysent.compat6dcl.$$" 36 syscompat7="sysent.compat7.$$" 37 syscompat7dcl="sysent.compat7dcl.$$" 38 syscompat10="sysent.compat10.$$" 39 syscompat10dcl="sysent.compat10dcl.$$" 40 syscompat11="sysent.compat11.$$" 41 syscompat11dcl="sysent.compat11dcl.$$" 42 sysent="sysent.switch.$$" 43 sysinc="sysinc.switch.$$" 44 sysarg="sysarg.switch.$$" 45 sysprotoend="sysprotoend.$$" 46 systracetmp="systrace.$$" 47 systraceret="systraceret.$$" 48 49 if [ -r capabilities.conf ]; then 50 capenabled=`egrep -v '^#|^$' capabilities.conf` 51 capenabled=`echo $capenabled | sed 's/ /,/g'` 52 else 53 capenabled="" 54 fi 55 56 trap "rm $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $syscompat10 $syscompat10dcl $syscompat11 $syscompat11dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret" 0 57 58 touch $sysaue $sysdcl $syscompat $syscompatdcl $syscompat4 $syscompat4dcl $syscompat6 $syscompat6dcl $syscompat7 $syscompat7dcl $syscompat10 $syscompat10dcl $syscompat11 $syscompat11dcl $sysent $sysinc $sysarg $sysprotoend $systracetmp $systraceret 59 60 case $# in 61 0) echo "usage: $0 input-file <config-file>" 1>&2 62 exit 1 63 ;; 64 esac 65 66 if [ -n "$2" ]; then 67 . $2 68 fi 69 70 sed -e ' 71 :join 72 /\\$/{a\ 73 74 N 75 s/\\\n// 76 b join 77 } 78 2,${ 79 /^#/!s/\([{}()*,]\)/ \1 /g 80 } 81 ' < $1 | awk " 82 BEGIN { 83 sysaue = \"$sysaue\" 84 sysdcl = \"$sysdcl\" 85 sysproto = \"$sysproto\" 86 sysprotoend = \"$sysprotoend\" 87 sysproto_h = \"$sysproto_h\" 88 syscompat = \"$syscompat\" 89 syscompatdcl = \"$syscompatdcl\" 90 syscompat4 = \"$syscompat4\" 91 syscompat4dcl = \"$syscompat4dcl\" 92 syscompat6 = \"$syscompat6\" 93 syscompat6dcl = \"$syscompat6dcl\" 94 syscompat7 = \"$syscompat7\" 95 syscompat7dcl = \"$syscompat7dcl\" 96 syscompat10 = \"$syscompat10\" 97 syscompat10dcl = \"$syscompat10dcl\" 98 syscompat11 = \"$syscompat11\" 99 syscompat11dcl = \"$syscompat11dcl\" 100 sysent = \"$sysent\" 101 syssw = \"$syssw\" 102 sysinc = \"$sysinc\" 103 sysarg = \"$sysarg\" 104 sysnames = \"$sysnames\" 105 syshdr = \"$syshdr\" 106 sysmk = \"$sysmk\" 107 systrace = \"$systrace\" 108 systracetmp = \"$systracetmp\" 109 systraceret = \"$systraceret\" 110 compat = \"$compat\" 111 compat4 = \"$compat4\" 112 compat6 = \"$compat6\" 113 compat7 = \"$compat7\" 114 compat10 = \"$compat10\" 115 compat11 = \"$compat11\" 116 syscallprefix = \"$syscallprefix\" 117 switchname = \"$switchname\" 118 namesname = \"$namesname\" 119 infile = \"$1\" 120 capenabled_string = \"$capenabled\" 121 "' 122 123 split(capenabled_string, capenabled, ","); 124 125 printf "\n/* The casts are bogus but will do for now. */\n" > sysent 126 printf "struct sysent %s[] = {\n",switchname > sysent 127 128 printf "/*\n * System call switch table.\n *\n" > syssw 129 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syssw 130 printf " * $%s$\n", "FreeBSD" > syssw 131 printf " */\n\n" > syssw 132 133 printf "/*\n * System call prototypes.\n *\n" > sysarg 134 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysarg 135 printf " * $%s$\n", "FreeBSD" > sysarg 136 printf " */\n\n" > 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" > sysarg 140 printf "#include <sys/acl.h>\n" > sysarg 141 printf "#include <sys/cpuset.h>\n" > sysarg 142 printf "#include <sys/domainset.h>\n" > sysarg 143 printf "#include <sys/_ffcounter.h>\n" > sysarg 144 printf "#include <sys/_semaphore.h>\n" > sysarg 145 printf "#include <sys/ucontext.h>\n" > sysarg 146 printf "#include <sys/wait.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 "\n#ifdef %s\n\n", compat > syscompat 161 printf "\n#ifdef %s\n\n", compat4 > syscompat4 162 printf "\n#ifdef %s\n\n", compat6 > syscompat6 163 printf "\n#ifdef %s\n\n", compat7 > syscompat7 164 printf "\n#ifdef %s\n\n", compat10 > syscompat10 165 printf "\n#ifdef %s\n\n", compat11 > syscompat11 166 167 printf "/*\n * System call names.\n *\n" > sysnames 168 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames 169 printf " * $%s$\n", "FreeBSD" > sysnames 170 printf " */\n\n" > sysnames 171 printf "const char *%s[] = {\n", namesname > sysnames 172 173 printf "/*\n * System call numbers.\n *\n" > syshdr 174 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr 175 printf " * $%s$\n", "FreeBSD" > syshdr 176 printf " */\n\n" > syshdr 177 178 printf "# FreeBSD system call object files.\n" > sysmk 179 printf "# DO NOT EDIT-- this file is automatically generated.\n" > sysmk 180 printf "# $%s$\n", "FreeBSD" > sysmk 181 printf "MIASM = " > sysmk 182 183 printf "/*\n * System call argument to DTrace register array converstion.\n *\n" > systrace 184 printf " * DO NOT EDIT-- this file is automatically generated.\n" > systrace 185 printf " * $%s$\n", "FreeBSD" > systrace 186 printf " * This file is part of the DTrace syscall provider.\n */\n\n" > systrace 187 printf "static void\nsystrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)\n{\n" > systrace 188 printf "\tint64_t *iarg = (int64_t *) uarg;\n" > systrace 189 printf "\tswitch (sysnum) {\n" > systrace 190 191 printf "static void\nsystrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systracetmp 192 printf "\tswitch (sysnum) {\n" > systracetmp 193 194 printf "static void\nsystrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systraceret 195 printf "\tswitch (sysnum) {\n" > systraceret 196 } 197 NR == 1 { 198 next 199 } 200 NF == 0 || $1 ~ /^;/ { 201 next 202 } 203 $1 ~ /^#[ ]*include/ { 204 print > sysinc 205 next 206 } 207 $1 ~ /^#[ ]*if/ { 208 print > sysent 209 print > sysdcl 210 print > sysarg 211 print > syscompat 212 print > syscompat4 213 print > syscompat6 214 print > syscompat7 215 print > syscompat10 216 print > syscompat11 217 print > sysnames 218 print > systrace 219 print > systracetmp 220 print > systraceret 221 savesyscall = syscall 222 next 223 } 224 $1 ~ /^#[ ]*else/ { 225 print > sysent 226 print > sysdcl 227 print > sysarg 228 print > syscompat 229 print > syscompat4 230 print > syscompat6 231 print > syscompat7 232 print > syscompat10 233 print > syscompat11 234 print > sysnames 235 print > systrace 236 print > systracetmp 237 print > systraceret 238 syscall = savesyscall 239 next 240 } 241 $1 ~ /^#/ { 242 print > sysent 243 print > sysdcl 244 print > sysarg 245 print > syscompat 246 print > syscompat4 247 print > syscompat6 248 print > syscompat7 249 print > syscompat10 250 print > syscompat11 251 print > sysnames 252 print > systrace 253 print > systracetmp 254 print > systraceret 255 next 256 } 257 # Returns true if the type "name" is the first flag in the type field 258 function type(name, flags, n) { 259 n = split($3, flags, /\|/) 260 return (n > 0 && flags[1] == name) 261 } 262 # Returns true if the flag "name" is set in the type field 263 function flag(name, flags, i, n) { 264 n = split($3, flags, /\|/) 265 for (i = 1; i <= n; i++) 266 if (flags[i] == name) 267 return 1 268 return 0 269 } 270 { 271 n = split($1, syscall_range, /-/) 272 if (n == 1) { 273 syscall_range[2] = syscall_range[1] 274 } else if (n == 2) { 275 if (!type("UNIMPL")) { 276 printf "%s: line %d: range permitted only with UNIMPL\n", 277 infile, NR 278 exit 1 279 } 280 } else { 281 printf "%s: line %d: invalid syscall number or range %s\n", 282 infile, NR, $1 283 exit 1 284 } 285 } 286 syscall != syscall_range[1] { 287 printf "%s: line %d: syscall number out of sync at %d\n", 288 infile, NR, syscall 289 printf "line is:\n" 290 print 291 exit 1 292 } 293 function align_sysent_comment(column) { 294 printf("\t") > sysent 295 column = column + 8 - column % 8 296 while (column < 56) { 297 printf("\t") > sysent 298 column = column + 8 299 } 300 } 301 function parserr(was, wanted) { 302 printf "%s: line %d: unexpected %s (expected %s)\n", 303 infile, NR, was, wanted 304 exit 1 305 } 306 function parseline() { 307 f=4 # toss number, type, audit event 308 argc= 0; 309 argssize = "0" 310 thr_flag = "SY_THR_STATIC" 311 if (flag("NOTSTATIC")) { 312 thr_flag = "SY_THR_ABSENT" 313 } 314 if ($NF != "}") { 315 funcalias=$(NF-2) 316 argalias=$(NF-1) 317 rettype=$NF 318 end=NF-3 319 } else { 320 funcalias="" 321 argalias="" 322 rettype="int" 323 end=NF 324 } 325 if (flag("NODEF")) { 326 auditev="AUE_NULL" 327 funcname=$4 328 argssize = "AS(" $6 ")" 329 return 330 } 331 if ($f != "{") 332 parserr($f, "{") 333 f++ 334 if ($end != "}") 335 parserr($end, "}") 336 end-- 337 if ($end != ";") 338 parserr($end, ";") 339 end-- 340 if ($end != ")") 341 parserr($end, ")") 342 end-- 343 344 syscallret=$f 345 f++ 346 347 funcname=$f 348 349 # 350 # We now know the func name, so define a flags field for it. 351 # Do this before any other processing as we may return early 352 # from it. 353 # 354 for (cap in capenabled) { 355 if (funcname == capenabled[cap]) { 356 flags = "SYF_CAPENABLED"; 357 break; 358 } 359 } 360 361 if (funcalias == "") 362 funcalias = funcname 363 if (argalias == "") { 364 argalias = funcname "_args" 365 if (flag("COMPAT")) 366 argalias = "o" argalias 367 if (flag("COMPAT4")) 368 argalias = "freebsd4_" argalias 369 if (flag("COMPAT6")) 370 argalias = "freebsd6_" argalias 371 if (flag("COMPAT7")) 372 argalias = "freebsd7_" argalias 373 if (flag("COMPAT10")) 374 argalias = "freebsd10_" argalias 375 if (flag("COMPAT11")) 376 argalias = "freebsd11_" argalias 377 } 378 f++ 379 380 if ($f != "(") 381 parserr($f, ")") 382 f++ 383 384 if (f == end) { 385 if ($f != "void") 386 parserr($f, "argument definition") 387 return 388 } 389 390 while (f <= end) { 391 argc++ 392 argtype[argc]="" 393 oldf="" 394 while (f < end && $(f+1) != ",") { 395 if (argtype[argc] != "" && oldf != "*") 396 argtype[argc] = argtype[argc]" "; 397 argtype[argc] = argtype[argc]$f; 398 oldf = $f; 399 f++ 400 } 401 if (argtype[argc] == "") 402 parserr($f, "argument definition") 403 404 # The parser adds space around parens. 405 # Remove it from annotations. 406 gsub(/ \( /, "(", argtype[argc]); 407 gsub(/ \)/, ")", argtype[argc]); 408 409 #remove annotations 410 gsub(/_In[^ ]*[_)] /, "", argtype[argc]); 411 gsub(/_Out[^ ]*[_)] /, "", argtype[argc]); 412 413 argname[argc]=$f; 414 f += 2; # skip name, and any comma 415 } 416 if (argc != 0) 417 argssize = "AS(" argalias ")" 418 } 419 { comment = $4 420 if (NF < 7) 421 for (i = 5; i <= NF; i++) 422 comment = comment " " $i 423 } 424 425 # 426 # The AUE_ audit event identifier. 427 # 428 { 429 auditev = $2; 430 } 431 432 # 433 # The flags, if any. 434 # 435 { 436 flags = "0"; 437 } 438 439 type("STD") || type("NODEF") || type("NOARGS") || type("NOPROTO") \ 440 || type("NOSTD") { 441 parseline() 442 printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall) > systrace 443 printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systracetmp 444 printf("\t/* %s */\n\tcase %d:\n", funcname, syscall) > systraceret 445 if (argc > 0) { 446 printf("\t\tswitch(ndx) {\n") > systracetmp 447 printf("\t\tstruct %s *p = params;\n", argalias) > systrace 448 for (i = 1; i <= argc; i++) { 449 arg = argtype[i] 450 sub("__restrict$", "", arg) 451 if (index(arg, "*") > 0) 452 printf("\t\tcase %d:\n\t\t\tp = \"userland %s\";\n\t\t\tbreak;\n", i - 1, arg) > systracetmp 453 else 454 printf("\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", i - 1, arg) > systracetmp 455 if (index(arg, "*") > 0 || arg == "caddr_t") 456 printf("\t\tuarg[%d] = (intptr_t) p->%s; /* %s */\n", \ 457 i - 1, \ 458 argname[i], arg) > systrace 459 else if (arg == "union l_semun") 460 printf("\t\tuarg[%d] = p->%s.buf; /* %s */\n", \ 461 i - 1, \ 462 argname[i], arg) > systrace 463 else if (substr(arg, 1, 1) == "u" || arg == "size_t") 464 printf("\t\tuarg[%d] = p->%s; /* %s */\n", \ 465 i - 1, \ 466 argname[i], arg) > systrace 467 else 468 printf("\t\tiarg[%d] = p->%s; /* %s */\n", \ 469 i - 1, \ 470 argname[i], arg) > systrace 471 } 472 printf("\t\tdefault:\n\t\t\tbreak;\n\t\t};\n") > systracetmp 473 474 printf("\t\tif (ndx == 0 || ndx == 1)\n") > systraceret 475 printf("\t\t\tp = \"%s\";\n", syscallret) > systraceret 476 printf("\t\tbreak;\n") > systraceret 477 } 478 printf("\t\t*n_args = %d;\n\t\tbreak;\n\t}\n", argc) > systrace 479 printf("\t\tbreak;\n") > systracetmp 480 if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \ 481 !flag("NODEF")) { 482 printf("struct %s {\n", argalias) > sysarg 483 for (i = 1; i <= argc; i++) 484 printf("\tchar %s_l_[PADL_(%s)]; " \ 485 "%s %s; char %s_r_[PADR_(%s)];\n", 486 argname[i], argtype[i], 487 argtype[i], argname[i], 488 argname[i], argtype[i]) > sysarg 489 printf("};\n") > sysarg 490 } 491 else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF")) 492 printf("struct %s {\n\tregister_t dummy;\n};\n", 493 argalias) > sysarg 494 if (!flag("NOPROTO") && !flag("NODEF")) { 495 if (funcname == "nosys" || funcname == "lkmnosys" || 496 funcname == "sysarch" || funcname ~ /^freebsd/ || 497 funcname ~ /^linux/ || funcname ~ /^ibcs2/ || 498 funcname ~ /^xenix/ || funcname ~ /^cloudabi/) { 499 printf("%s\t%s(struct thread *, struct %s *)", 500 rettype, funcname, argalias) > sysdcl 501 } else { 502 printf("%s\tsys_%s(struct thread *, struct %s *)", 503 rettype, funcname, argalias) > sysdcl 504 } 505 printf(";\n") > sysdcl 506 printf("#define\t%sAUE_%s\t%s\n", syscallprefix, 507 funcalias, auditev) > sysaue 508 } 509 printf("\t{ %s, (sy_call_t *)", argssize) > sysent 510 column = 8 + 2 + length(argssize) + 15 511 if (flag("NOSTD")) { 512 printf("lkmressys, AUE_NULL, NULL, 0, 0, %s, SY_THR_ABSENT },", flags) > sysent 513 column = column + length("lkmressys") + length("AUE_NULL") + 3 514 } else { 515 if (funcname == "nosys" || funcname == "sysarch" || 516 funcname == "lkmnosys" || funcname ~ /^freebsd/ || 517 funcname ~ /^linux/ || funcname ~ /^ibcs2/ || 518 funcname ~ /^xenix/ || funcname ~ /^cloudabi/) { 519 printf("%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent 520 column = column + length(funcname) + length(auditev) + length(flags) + 3 521 } else { 522 printf("sys_%s, %s, NULL, 0, 0, %s, %s },", funcname, auditev, flags, thr_flag) > sysent 523 column = column + length(funcname) + length(auditev) + length(flags) + 3 + 4 524 } 525 } 526 align_sysent_comment(column) 527 printf("/* %d = %s */\n", syscall, funcalias) > sysent 528 printf("\t\"%s\",\t\t\t/* %d = %s */\n", 529 funcalias, syscall, funcalias) > sysnames 530 if (!flag("NODEF")) { 531 printf("#define\t%s%s\t%d\n", syscallprefix, 532 funcalias, syscall) > syshdr 533 printf(" \\\n\t%s.o", funcalias) > sysmk 534 } 535 syscall++ 536 next 537 } 538 type("COMPAT") || type("COMPAT4") || type("COMPAT6") || \ 539 type("COMPAT7") || type("COMPAT10") || type("COMPAT11") { 540 if (flag("COMPAT")) { 541 ncompat++ 542 out = syscompat 543 outdcl = syscompatdcl 544 wrap = "compat" 545 prefix = "o" 546 descr = "old" 547 } else if (flag("COMPAT4")) { 548 ncompat4++ 549 out = syscompat4 550 outdcl = syscompat4dcl 551 wrap = "compat4" 552 prefix = "freebsd4_" 553 descr = "freebsd4" 554 } else if (flag("COMPAT6")) { 555 ncompat6++ 556 out = syscompat6 557 outdcl = syscompat6dcl 558 wrap = "compat6" 559 prefix = "freebsd6_" 560 descr = "freebsd6" 561 } else if (flag("COMPAT7")) { 562 ncompat7++ 563 out = syscompat7 564 outdcl = syscompat7dcl 565 wrap = "compat7" 566 prefix = "freebsd7_" 567 descr = "freebsd7" 568 } else if (flag("COMPAT10")) { 569 ncompat10++ 570 out = syscompat10 571 outdcl = syscompat10dcl 572 wrap = "compat10" 573 prefix = "freebsd10_" 574 descr = "freebsd10" 575 } else if (flag("COMPAT11")) { 576 ncompat11++ 577 out = syscompat11 578 outdcl = syscompat11dcl 579 wrap = "compat11" 580 prefix = "freebsd11_" 581 descr = "freebsd11" 582 } 583 parseline() 584 if (argc != 0 && !flag("NOARGS") && !flag("NOPROTO") && \ 585 !flag("NODEF")) { 586 printf("struct %s {\n", argalias) > out 587 for (i = 1; i <= argc; i++) 588 printf("\tchar %s_l_[PADL_(%s)]; %s %s; " \ 589 "char %s_r_[PADR_(%s)];\n", 590 argname[i], argtype[i], 591 argtype[i], argname[i], 592 argname[i], argtype[i]) > out 593 printf("};\n") > out 594 } 595 else if (!flag("NOARGS") && !flag("NOPROTO") && !flag("NODEF")) 596 printf("struct %s {\n\tregister_t dummy;\n};\n", 597 argalias) > sysarg 598 if (!flag("NOPROTO") && !flag("NODEF")) { 599 printf("%s\t%s%s(struct thread *, struct %s *);\n", 600 rettype, prefix, funcname, argalias) > outdcl 601 printf("#define\t%sAUE_%s%s\t%s\n", syscallprefix, 602 prefix, funcname, auditev) > sysaue 603 } 604 if (flag("NOSTD")) { 605 printf("\t{ %s, (sy_call_t *)%s, %s, NULL, 0, 0, 0, SY_THR_ABSENT },", 606 "0", "lkmressys", "AUE_NULL") > sysent 607 align_sysent_comment(8 + 2 + length("0") + 15 + \ 608 length("lkmressys") + length("AUE_NULL") + 3) 609 } else { 610 printf("\t{ %s(%s,%s), %s, NULL, 0, 0, %s, %s },", 611 wrap, argssize, funcname, auditev, flags, thr_flag) > sysent 612 align_sysent_comment(8 + 9 + length(argssize) + 1 + \ 613 length(funcname) + length(auditev) + \ 614 length(flags) + 4) 615 } 616 printf("/* %d = %s %s */\n", syscall, descr, funcalias) > sysent 617 printf("\t\"%s.%s\",\t\t/* %d = %s %s */\n", 618 wrap, funcalias, syscall, descr, funcalias) > sysnames 619 # Do not provide freebsdN_* symbols in libc for < FreeBSD 7 620 if (flag("COMPAT") || flag("COMPAT4") || flag("COMPAT6")) { 621 printf("\t\t\t\t/* %d is %s %s */\n", 622 syscall, descr, funcalias) > syshdr 623 } else if (!flag("NODEF")) { 624 printf("#define\t%s%s%s\t%d\n", syscallprefix, 625 prefix, funcalias, syscall) > syshdr 626 printf(" \\\n\t%s%s.o", prefix, funcalias) > sysmk 627 } 628 syscall++ 629 next 630 } 631 type("OBSOL") { 632 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },") > sysent 633 align_sysent_comment(34) 634 printf("/* %d = obsolete %s */\n", syscall, comment) > sysent 635 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n", 636 $4, syscall, comment) > sysnames 637 printf("\t\t\t\t/* %d is obsolete %s */\n", 638 syscall, comment) > syshdr 639 syscall++ 640 next 641 } 642 type("UNIMPL") { 643 while (syscall <= syscall_range[2]) { 644 printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },\t\t\t/* %d = %s */\n", 645 syscall, comment) > sysent 646 printf("\t\"#%d\",\t\t\t/* %d = %s */\n", 647 syscall, syscall, comment) > sysnames 648 syscall++ 649 } 650 next 651 } 652 { 653 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $3 654 exit 1 655 } 656 END { 657 printf "\n#define AS(name) (sizeof(struct name) / sizeof(register_t))\n" > sysinc 658 659 if (ncompat != 0) { 660 printf "\n#ifdef %s\n", compat > sysinc 661 printf "#define compat(n, name) n, (sy_call_t *)__CONCAT(o,name)\n" > sysinc 662 printf "#else\n" > sysinc 663 printf "#define compat(n, name) 0, (sy_call_t *)nosys\n" > sysinc 664 printf "#endif\n" > sysinc 665 } 666 667 if (ncompat4 != 0) { 668 printf "\n#ifdef %s\n", compat4 > sysinc 669 printf "#define compat4(n, name) n, (sy_call_t *)__CONCAT(freebsd4_,name)\n" > sysinc 670 printf "#else\n" > sysinc 671 printf "#define compat4(n, name) 0, (sy_call_t *)nosys\n" > sysinc 672 printf "#endif\n" > sysinc 673 } 674 675 if (ncompat6 != 0) { 676 printf "\n#ifdef %s\n", compat6 > sysinc 677 printf "#define compat6(n, name) n, (sy_call_t *)__CONCAT(freebsd6_,name)\n" > sysinc 678 printf "#else\n" > sysinc 679 printf "#define compat6(n, name) 0, (sy_call_t *)nosys\n" > sysinc 680 printf "#endif\n" > sysinc 681 } 682 683 if (ncompat7 != 0) { 684 printf "\n#ifdef %s\n", compat7 > sysinc 685 printf "#define compat7(n, name) n, (sy_call_t *)__CONCAT(freebsd7_,name)\n" > sysinc 686 printf "#else\n" > sysinc 687 printf "#define compat7(n, name) 0, (sy_call_t *)nosys\n" > sysinc 688 printf "#endif\n" > sysinc 689 } 690 if (ncompat10 != 0) { 691 printf "\n#ifdef %s\n", compat10 > sysinc 692 printf "#define compat10(n, name) n, (sy_call_t *)__CONCAT(freebsd10_,name)\n" > sysinc 693 printf "#else\n" > sysinc 694 printf "#define compat10(n, name) 0, (sy_call_t *)nosys\n" > sysinc 695 printf "#endif\n" > sysinc 696 } 697 if (ncompat11 != 0) { 698 printf "\n#ifdef %s\n", compat11 > sysinc 699 printf "#define compat11(n, name) n, (sy_call_t *)__CONCAT(freebsd11_,name)\n" > sysinc 700 printf "#else\n" > sysinc 701 printf "#define compat11(n, name) 0, (sy_call_t *)nosys\n" > sysinc 702 printf "#endif\n" > sysinc 703 } 704 705 printf("\n#endif /* %s */\n\n", compat) > syscompatdcl 706 printf("\n#endif /* %s */\n\n", compat4) > syscompat4dcl 707 printf("\n#endif /* %s */\n\n", compat6) > syscompat6dcl 708 printf("\n#endif /* %s */\n\n", compat7) > syscompat7dcl 709 printf("\n#endif /* %s */\n\n", compat10) > syscompat10dcl 710 printf("\n#endif /* %s */\n\n", compat11) > syscompat11dcl 711 712 printf("\n#undef PAD_\n") > sysprotoend 713 printf("#undef PADL_\n") > sysprotoend 714 printf("#undef PADR_\n") > sysprotoend 715 printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend 716 717 printf("\n") > sysmk 718 printf("};\n") > sysent 719 printf("};\n") > sysnames 720 printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \ 721 > syshdr 722 printf "\tdefault:\n\t\t*n_args = 0;\n\t\tbreak;\n\t};\n}\n" > systrace 723 printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systracetmp 724 printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systraceret 725 } ' 726 727 cat $sysinc $sysent >> $syssw 728 cat $sysarg $sysdcl \ 729 $syscompat $syscompatdcl \ 730 $syscompat4 $syscompat4dcl \ 731 $syscompat6 $syscompat6dcl \ 732 $syscompat7 $syscompat7dcl \ 733 $syscompat10 $syscompat10dcl \ 734 $syscompat11 $syscompat11dcl \ 735 $sysaue $sysprotoend > $sysproto 736 cat $systracetmp >> $systrace 737 cat $systraceret >> $systrace 738
Cache object: 3be007b51cb51a204019457f4950c8f6
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