1 /* $NetBSD: defs.h,v 1.11 2006/06/04 13:52:27 cube Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratories. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: @(#)config.h 8.1 (Berkeley) 6/6/93 41 */ 42 43 /* 44 * defs.h: Global definitions for "config" 45 */ 46 47 #if HAVE_NBTOOL_CONFIG_H 48 #include "nbtool_config.h" 49 #endif 50 51 #include <sys/types.h> 52 #include <sys/param.h> 53 #include <sys/queue.h> 54 55 #if !defined(MAKE_BOOTSTRAP) && defined(BSD) 56 #include <sys/cdefs.h> 57 #include <paths.h> 58 #endif 59 60 #include <stdio.h> 61 #include <stdlib.h> 62 #include <unistd.h> 63 64 /* These are really for MAKE_BOOTSTRAP but harmless. */ 65 #ifndef __dead 66 #define __dead 67 #endif 68 #ifndef _PATH_DEVNULL 69 #define _PATH_DEVNULL "/dev/null" 70 #endif 71 72 #ifdef MAKE_BOOTSTRAP 73 #undef dev_t 74 #undef NODEV 75 #undef major 76 #undef minor 77 #undef makedev 78 #define dev_t int /* XXX: assumes int is 32 bits */ 79 #define NODEV ((dev_t)-1) 80 #define major(x) ((int)((((x) & 0x000fff00) >> 8))) 81 #define minor(x) ((int)((((x) & 0xfff00000) >> 12) | \ 82 (((x) & 0x000000ff) >> 0))) 83 #define makedev(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \ 84 (((y) << 12) & 0xfff00000) | \ 85 (((y) << 0) & 0x000000ff))) 86 #define __attribute__(x) 87 #endif /* MAKE_BOOTSTRAP */ 88 89 #undef setprogname 90 #undef getprogname 91 extern const char *progname; 92 #define setprogname(s) ((void)(progname = (s))) 93 #define getprogname() (progname) 94 95 #define ARRCHR '#' 96 97 /* 98 * The next two lines define the current version of the config(1) binary, 99 * and the minimum version of the configuration files it supports. 100 */ 101 #define CONFIG_VERSION 20060604 102 #define CONFIG_MINVERSION 0 103 104 /* 105 * Name/value lists. Values can be strings or pointers and/or can carry 106 * integers. The names can be NULL, resulting in simple value lists. 107 */ 108 struct nvlist { 109 struct nvlist *nv_next; 110 const char *nv_name; 111 union { 112 const char *un_str; 113 void *un_ptr; 114 } nv_un; 115 #define nv_str nv_un.un_str 116 #define nv_ptr nv_un.un_ptr 117 int nv_int; 118 int nv_ifunit; /* XXX XXX XXX */ 119 int nv_flags; 120 #define NV_DEPENDED 1 121 #define NV_OBSOLETE 2 122 }; 123 124 /* 125 * Kernel configurations. 126 */ 127 struct config { 128 TAILQ_ENTRY(config) cf_next; 129 const char *cf_name; /* "netbsd" */ 130 int cf_lineno; /* source line */ 131 const char *cf_fstype; /* file system type */ 132 struct nvlist *cf_root; /* "root on ra0a" */ 133 struct nvlist *cf_swap; /* "swap on ra0b and ra1b" */ 134 struct nvlist *cf_dump; /* "dumps on ra0b" */ 135 }; 136 137 /* 138 * Attributes. These come in three flavors: "plain", "device class," 139 * and "interface". Plain attributes (e.g., "ether") simply serve 140 * to pull in files. Device class attributes are like plain 141 * attributes, but additionally specify a device class (e.g., the 142 * "disk" device class attribute specifies that devices with the 143 * attribute belong to the "DV_DISK" class) and are mutually exclusive. 144 * Interface attributes (e.g., "scsi") carry three lists: locators, 145 * child devices, and references. The locators are those things 146 * that must be specified in order to configure a device instance 147 * using this attribute (e.g., "tg0 at scsi0"). The a_devs field 148 * lists child devices that can connect here (e.g., "tg"s), while 149 * the a_refs are parents that carry the attribute (e.g., actual 150 * SCSI host adapter drivers such as the SPARC "esp"). 151 */ 152 struct attr { 153 const char *a_name; /* name of this attribute */ 154 int a_iattr; /* true => allows children */ 155 const char *a_devclass; /* device class described */ 156 struct nvlist *a_locs; /* locators required */ 157 int a_loclen; /* length of above list */ 158 struct nvlist *a_devs; /* children */ 159 struct nvlist *a_refs; /* parents */ 160 struct nvlist *a_deps; /* we depend on these other attrs */ 161 int a_expanding; /* to detect cycles in attr graph */ 162 }; 163 164 /* 165 * Parent specification. Multiple device instances may share a 166 * given parent spec. Parent specs are emitted only if there are 167 * device instances which actually reference it. 168 */ 169 struct pspec { 170 TAILQ_ENTRY(pspec) p_list; /* link on parent spec list */ 171 struct attr *p_iattr; /* interface attribute of parent */ 172 struct devbase *p_atdev; /* optional parent device base */ 173 int p_atunit; /* optional parent device unit */ 174 struct nvlist *p_devs; /* children using it */ 175 int p_inst; /* parent spec instance */ 176 int p_active; /* parent spec is actively used */ 177 }; 178 179 /* 180 * The "base" part (struct devbase) of a device ("uba", "sd"; but not 181 * "uba2" or "sd0"). It may be found "at" one or more attributes, 182 * including "at root" (this is represented by a NULL attribute), as 183 * specified by the device attachments (struct deva). 184 * 185 * Each device may also export attributes. If any provide an output 186 * interface (e.g., "esp" provides "scsi"), other devices (e.g., 187 * "tg"s) can be found at instances of this one (e.g., "esp"s). 188 * Such a connection must provide locators as specified by that 189 * interface attribute (e.g., "target"). The base device can 190 * export both output (aka `interface') attributes, as well as 191 * import input (`plain') attributes. Device attachments may 192 * only import input attributes; it makes no sense to have a 193 * specific attachment export a new interface to other devices. 194 * 195 * Each base carries a list of instances (via d_ihead). Note that this 196 * list "skips over" aliases; those must be found through the instances 197 * themselves. Each base also carries a list of possible attachments, 198 * each of which specify a set of devices that the device can attach 199 * to, as well as the device instances that are actually using that 200 * attachment. 201 */ 202 struct devbase { 203 const char *d_name; /* e.g., "sd" */ 204 TAILQ_ENTRY(devbase) d_next; 205 int d_isdef; /* set once properly defined */ 206 int d_ispseudo; /* is a pseudo-device */ 207 int d_major; /* used for "root on sd0", e.g. */ 208 struct nvlist *d_attrs; /* attributes, if any */ 209 int d_umax; /* highest unit number + 1 */ 210 struct devi *d_ihead; /* first instance, if any */ 211 struct devi **d_ipp; /* used for tacking on more instances */ 212 struct deva *d_ahead; /* first attachment, if any */ 213 struct deva **d_app; /* used for tacking on attachments */ 214 struct attr *d_classattr; /* device class attribute (if any) */ 215 }; 216 217 struct deva { 218 const char *d_name; /* name of attachment, e.g. "com_isa" */ 219 TAILQ_ENTRY(deva) d_next; /* list of all instances */ 220 struct deva *d_bsame; /* list on same base */ 221 int d_isdef; /* set once properly defined */ 222 struct devbase *d_devbase; /* the base device */ 223 struct nvlist *d_atlist; /* e.g., "at tg" (attr list) */ 224 struct nvlist *d_attrs; /* attributes, if any */ 225 struct devi *d_ihead; /* first instance, if any */ 226 struct devi **d_ipp; /* used for tacking on more instances */ 227 }; 228 229 /* 230 * An "instance" of a device. The same instance may be listed more 231 * than once, e.g., "xx0 at isa? port FOO" + "xx0 at isa? port BAR". 232 * 233 * After everything has been read in and verified, the devi's are 234 * "packed" to collect all the information needed to generate ioconf.c. 235 * In particular, we try to collapse multiple aliases into a single entry. 236 * We then assign each "primary" (non-collapsed) instance a cfdata index. 237 * Note that there may still be aliases among these. 238 */ 239 struct devi { 240 /* created while parsing config file */ 241 const char *i_name; /* e.g., "sd0" */ 242 int i_unit; /* unit from name, e.g., 0 */ 243 struct devbase *i_base;/* e.g., pointer to "sd" base */ 244 TAILQ_ENTRY(devi) i_next; /* list of all instances */ 245 struct devi *i_bsame; /* list on same base */ 246 struct devi *i_asame; /* list on same base attachment */ 247 struct devi *i_alias; /* other aliases of this instance */ 248 const char *i_at; /* where this is "at" (NULL if at root) */ 249 struct pspec *i_pspec; /* parent spec (NULL if at root) */ 250 struct deva *i_atdeva; 251 const char **i_locs; /* locators (as given by pspec's iattr) */ 252 int i_cfflags; /* flags from config line */ 253 int i_lineno; /* line # in config, for later errors */ 254 const char *i_srcfile; /* file it appears in */ 255 int i_level; /* position between negated instances */ 256 int i_active; 257 #define DEVI_ORPHAN 0 /* instance has no active parent */ 258 #define DEVI_ACTIVE 1 /* instance has an active parent */ 259 #define DEVI_IGNORED 2 /* instance's parent has been removed */ 260 #define DEVI_BROKEN 3 /* instance is broken (syntax error) */ 261 262 /* created during packing or ioconf.c generation */ 263 short i_collapsed; /* set => this alias no longer needed */ 264 short i_cfindex; /* our index in cfdata */ 265 short i_locoff; /* offset in locators.vec */ 266 267 }; 268 /* special units */ 269 #define STAR (-1) /* unit number for, e.g., "sd*" */ 270 #define WILD (-2) /* unit number for, e.g., "sd?" */ 271 272 /* 273 * Files or objects. This structure defines the common fields 274 * between the two. 275 */ 276 struct filetype 277 { 278 const char *fit_srcfile; /* the name of the "files" file that got us */ 279 u_short fit_srcline; /* and the line number */ 280 u_char fit_flags; /* as below */ 281 char fit_lastc; /* last char from path */ 282 const char *fit_path; /* full file path */ 283 const char *fit_prefix; /* any file prefix */ 284 }; 285 /* Anything less than 0x10 is sub-type specific */ 286 #define FIT_NOPROLOGUE 0x10 /* Don't prepend $S/ */ 287 #define FIT_FORCESELECT 0x20 /* Always include this file */ 288 289 /* 290 * Files. Each file is either standard (always included) or optional, 291 * depending on whether it has names on which to *be* optional. The 292 * options field (fi_optx) is actually an expression tree, with nodes 293 * for OR, AND, and NOT, as well as atoms (words) representing some 294 * particular option. The node type is stored in the nv_int field. 295 * Subexpressions appear in the `next' field; for the binary operators 296 * AND and OR, the left subexpression is first stored in the nv_ptr field. 297 * 298 * For any file marked as needs-count or needs-flag, fixfiles() will 299 * build fi_optf, a `flat list' of the options with nv_int fields that 300 * contain counts or `need' flags; this is used in mkheaders(). 301 */ 302 struct files { 303 struct filetype fi_fit; 304 TAILQ_ENTRY(files) fi_next; 305 const char *fi_tail; /* name, i.e., strrchr(fi_path, '/') + 1 */ 306 const char *fi_base; /* tail minus ".c" (or whatever) */ 307 struct nvlist *fi_optx; /* options expression */ 308 struct nvlist *fi_optf; /* flattened version of above, if needed */ 309 const char *fi_mkrule; /* special make rule, if any */ 310 }; 311 #define fi_srcfile fi_fit.fit_srcfile 312 #define fi_srcline fi_fit.fit_srcline 313 #define fi_flags fi_fit.fit_flags 314 #define fi_lastc fi_fit.fit_lastc 315 #define fi_path fi_fit.fit_path 316 #define fi_prefix fi_fit.fit_prefix 317 318 /* flags */ 319 #define FI_SEL 0x01 /* selected */ 320 #define FI_NEEDSCOUNT 0x02 /* needs-count */ 321 #define FI_NEEDSFLAG 0x04 /* needs-flag */ 322 #define FI_HIDDEN 0x08 /* obscured by other(s), base names overlap */ 323 324 /* 325 * Objects and libraries. This allows precompiled object and library 326 * files (e.g. binary-only device drivers) to be linked in. 327 */ 328 struct objects { 329 struct filetype oi_fit; 330 TAILQ_ENTRY(objects) oi_next; 331 struct nvlist *oi_optx;/* options expression */ 332 struct nvlist *oi_optf;/* flattened version of above, if needed */ 333 }; 334 335 #define oi_srcfile oi_fit.fit_srcfile 336 #define oi_srcline oi_fit.fit_srcline 337 #define oi_flags oi_fit.fit_flags 338 #define oi_lastc oi_fit.fit_lastc 339 #define oi_path oi_fit.fit_path 340 #define oi_prefix oi_fit.fit_prefix 341 342 /* flags */ 343 #define OI_SEL 0x01 /* selected */ 344 #define OI_NEEDSFLAG 0x02 /* needs-flag */ 345 346 #define FX_ATOM 0 /* atom (in nv_name) */ 347 #define FX_NOT 1 /* NOT expr (subexpression in nv_next) */ 348 #define FX_AND 2 /* AND expr (lhs in nv_ptr, rhs in nv_next) */ 349 #define FX_OR 3 /* OR expr (lhs in nv_ptr, rhs in nv_next) */ 350 351 /* 352 * File/object prefixes. These are arranged in a stack, and affect 353 * the behavior of the source path. 354 */ 355 struct prefix { 356 SLIST_ENTRY(prefix) pf_next; /* next prefix in stack */ 357 const char *pf_prefix; /* the actual prefix */ 358 }; 359 360 /* 361 * Device major informations. 362 */ 363 struct devm { 364 TAILQ_ENTRY(devm) dm_next; 365 const char *dm_srcfile; /* the name of the "majors" file */ 366 u_short dm_srcline; /* the line number */ 367 const char *dm_name; /* [bc]devsw name */ 368 int dm_cmajor; /* character major */ 369 int dm_bmajor; /* block major */ 370 struct nvlist *dm_opts; /* options */ 371 }; 372 373 /* 374 * Hash tables look up name=value pairs. The pointer value of the name 375 * is assumed to be constant forever; this can be arranged by interning 376 * the name. (This is fairly convenient since our lexer does this for 377 * all identifier-like strings---it has to save them anyway, lest yacc's 378 * look-ahead wipe out the current one.) 379 */ 380 struct hashtab; 381 382 int lkmmode; 383 const char *conffile; /* source file, e.g., "GENERIC.sparc" */ 384 const char *machine; /* machine type, e.g., "sparc" or "sun3" */ 385 const char *machinearch; /* machine arch, e.g., "sparc" or "m68k" */ 386 struct nvlist *machinesubarches; 387 /* machine subarches, e.g., "sun68k" or "hpc" */ 388 const char *srcdir; /* path to source directory (rel. to build) */ 389 const char *builddir; /* path to build directory */ 390 const char *defbuilddir; /* default build directory */ 391 const char *ident; /* kernel "ident"ification string */ 392 int errors; /* counts calls to error() */ 393 int minmaxusers; /* minimum "maxusers" parameter */ 394 int defmaxusers; /* default "maxusers" parameter */ 395 int maxmaxusers; /* default "maxusers" parameter */ 396 int maxusers; /* configuration's "maxusers" parameter */ 397 int maxpartitions; /* configuration's "maxpartitions" parameter */ 398 int version; /* version of the configuration file */ 399 struct nvlist *options; /* options */ 400 struct nvlist *fsoptions; /* filesystems */ 401 struct nvlist *mkoptions; /* makeoptions */ 402 struct nvlist *appmkoptions; /* appending mkoptions */ 403 struct hashtab *condmkopttab; /* conditional makeoption table */ 404 struct hashtab *devbasetab; /* devbase lookup */ 405 struct hashtab *devroottab; /* attach at root lookup */ 406 struct hashtab *devatab; /* devbase attachment lookup */ 407 struct hashtab *devitab; /* device instance lookup */ 408 struct hashtab *deaddevitab; /* removed instances lookup */ 409 struct hashtab *selecttab; /* selects things that are "optional foo" */ 410 struct hashtab *needcnttab; /* retains names marked "needs-count" */ 411 struct hashtab *opttab; /* table of configured options */ 412 struct hashtab *fsopttab; /* table of configured file systems */ 413 struct hashtab *defopttab; /* options that have been "defopt"'d */ 414 struct hashtab *defflagtab; /* options that have been "defflag"'d */ 415 struct hashtab *defparamtab; /* options that have been "defparam"'d */ 416 struct hashtab *deffstab; /* defined file systems */ 417 struct hashtab *optfiletab; /* "defopt"'d option .h files */ 418 struct hashtab *attrtab; /* attributes (locators, etc.) */ 419 struct hashtab *bdevmtab; /* block devm lookup */ 420 struct hashtab *cdevmtab; /* character devm lookup */ 421 422 TAILQ_HEAD(, devbase) allbases; /* list of all devbase structures */ 423 TAILQ_HEAD(, deva) alldevas; /* list of all devbase attachments */ 424 TAILQ_HEAD(, config) allcf; /* list of configured kernels */ 425 TAILQ_HEAD(, devi) alldevi, /* list of all instances */ 426 allpseudo; /* list of all pseudo-devices */ 427 TAILQ_HEAD(, devm) alldevms; /* list of all device-majors */ 428 TAILQ_HEAD(, pspec) allpspecs; /* list of all parent specs */ 429 int ndevi; /* number of devi's (before packing) */ 430 int npspecs; /* number of parent specs */ 431 int maxbdevm; /* max number of block major */ 432 int maxcdevm; /* max number of character major */ 433 int do_devsw; /* 0 if pre-devsw config */ 434 int oktopackage; /* 0 before setmachine() */ 435 int devilevel; /* used for devi->i_level */ 436 437 TAILQ_HEAD(, files) allfiles; /* list of all kernel source files */ 438 TAILQ_HEAD(, objects) allobjects; /* list of all kernel object and 439 library files */ 440 441 SLIST_HEAD(, prefix) prefixes, /* prefix stack */ 442 allprefixes; /* all prefixes used (after popped) */ 443 SLIST_HEAD(, prefix) curdirs; /* curdir stack */ 444 445 struct devi **packed; /* arrayified table for packed devi's */ 446 int npacked; /* size of packed table, <= ndevi */ 447 448 struct { /* loc[] table for config */ 449 const char **vec; 450 int used; 451 } locators; 452 453 struct numconst { 454 int64_t val; 455 int fmt; 456 }; 457 458 /* files.c */ 459 void initfiles(void); 460 void checkfiles(void); 461 int fixfiles(void); /* finalize */ 462 int fixobjects(void); 463 int fixdevsw(void); 464 void addfile(const char *, struct nvlist *, int, const char *); 465 void addobject(const char *, struct nvlist *, int); 466 467 /* hash.c */ 468 struct hashtab *ht_new(void); 469 int ht_insrep(struct hashtab *, const char *, void *, int); 470 #define ht_insert(ht, nam, val) ht_insrep(ht, nam, val, 0) 471 #define ht_replace(ht, nam, val) ht_insrep(ht, nam, val, 1) 472 int ht_remove(struct hashtab *, const char *); 473 void *ht_lookup(struct hashtab *, const char *); 474 void initintern(void); 475 const char *intern(const char *); 476 typedef int (*ht_callback)(const char *, void *, void *); 477 int ht_enumerate(struct hashtab *, ht_callback, void *); 478 479 /* main.c */ 480 void addoption(const char *, const char *); 481 void addfsoption(const char *); 482 void addmkoption(const char *, const char *); 483 void appendmkoption(const char *, const char *); 484 void appendcondmkoption(const char *, const char *, const char *); 485 void deffilesystem(const char *, struct nvlist *); 486 void defoption(const char *, struct nvlist *, struct nvlist *); 487 void defflag(const char *, struct nvlist *, struct nvlist *, int); 488 void defparam(const char *, struct nvlist *, struct nvlist *, int); 489 void deloption(const char *); 490 void delfsoption(const char *); 491 void delmkoption(const char *); 492 int devbase_has_instances(struct devbase *, int); 493 struct nvlist * find_declared_option(const char *); 494 int deva_has_instances(struct deva *, int); 495 void setupdirs(void); 496 497 /* tests on option types */ 498 #define OPT_FSOPT(n) (ht_lookup(deffstab, (n)) != NULL) 499 #define OPT_DEFOPT(n) (ht_lookup(defopttab, (n)) != NULL) 500 #define OPT_DEFFLAG(n) (ht_lookup(defflagtab, (n)) != NULL) 501 #define OPT_DEFPARAM(n) (ht_lookup(defparamtab, (n)) != NULL) 502 #define OPT_OBSOLETE(n) (ht_lookup(obsopttab, (n)) != NULL) 503 #define DEFINED_OPTION(n) (find_declared_option((n)) != NULL) 504 505 /* main.c */ 506 void logconfig_include(FILE *, const char *); 507 508 /* mkdevsw.c */ 509 int mkdevsw(void); 510 511 /* mkheaders.c */ 512 int mkheaders(void); 513 int moveifchanged(const char *, const char *); 514 515 /* mkioconf.c */ 516 int mkioconf(void); 517 518 /* mkmakefile.c */ 519 int mkmakefile(void); 520 521 /* mkswap.c */ 522 int mkswap(void); 523 524 /* pack.c */ 525 void pack(void); 526 527 /* scan.l */ 528 int currentline(void); 529 int firstfile(const char *); 530 void package(const char *); 531 int include(const char *, int, int, int); 532 533 /* sem.c, other than for yacc actions */ 534 void initsem(void); 535 536 /* util.c */ 537 void *ecalloc(size_t, size_t); 538 void *emalloc(size_t); 539 void *erealloc(void *, size_t); 540 char *estrdup(const char *); 541 void prefix_push(const char *); 542 void prefix_pop(void); 543 char *sourcepath(const char *); 544 void warn(const char *, ...) /* immediate warns */ 545 __attribute__((__format__(__printf__, 1, 2))); 546 void xwarn(const char *, int, const char *, ...) /* delayed warns */ 547 __attribute__((__format__(__printf__, 3, 4))); 548 void error(const char *, ...) /* immediate errs */ 549 __attribute__((__format__(__printf__, 1, 2))); 550 void xerror(const char *, int, const char *, ...) /* delayed errs */ 551 __attribute__((__format__(__printf__, 3, 4))); 552 __dead void panic(const char *, ...) 553 __attribute__((__format__(__printf__, 1, 2))); 554 struct nvlist *newnv(const char *, const char *, void *, int, struct nvlist *); 555 void nvfree(struct nvlist *); 556 void nvfreel(struct nvlist *); 557 558 /* liby */ 559 void yyerror(const char *); 560 int yylex(void); 561