xref: /netbsd-src/usr.bin/config/defs.h (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
1 /*	$NetBSD: defs.h,v 1.45 2014/05/05 19:08:13 martin 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 __printflike
69 #define __printflike(a, b)
70 #endif
71 #ifndef _PATH_DEVNULL
72 #define _PATH_DEVNULL "/dev/null"
73 #endif
74 
75 #ifdef	MAKE_BOOTSTRAP
76 #undef	dev_t
77 #undef	devmajor_t
78 #undef	devminor_t
79 #undef	NODEV
80 #undef	NODEVMAJOR
81 #undef	major
82 #undef	minor
83 #undef	makedev
84 #define	dev_t		unsigned int	/* XXX: assumes int is 32 bits */
85 #define	NODEV		((dev_t)-1)
86 #define devmajor_t	int
87 #define devminor_t	int
88 #define NODEVMAJOR	(-1)
89 #define major(x)        ((devmajor_t)((((x) & 0x000fff00) >>  8)))
90 #define minor(x)        ((devminor_t)((((x) & 0xfff00000) >> 12) | \
91 			       (((x) & 0x000000ff) >>  0)))
92 #define makedev(x,y)    ((dev_t)((((x) <<  8) & 0x000fff00) | \
93                                  (((y) << 12) & 0xfff00000) | \
94                                  (((y) <<  0) & 0x000000ff)))
95 #define __attribute__(x)
96 #endif	/* MAKE_BOOTSTRAP */
97 
98 #undef setprogname
99 #undef getprogname
100 extern const char *progname;
101 #define	setprogname(s)	((void)(progname = (s)))
102 #define	getprogname()	(progname)
103 
104 #define ARRCHR '#'
105 
106 /*
107  * The next two lines define the current version of the config(1) binary,
108  * and the minimum version of the configuration files it supports.
109  */
110 #define CONFIG_VERSION		20140502
111 #define CONFIG_MINVERSION	0
112 
113 /*
114  * Name/value lists.  Values can be strings or pointers and/or can carry
115  * integers.  The names can be NULL, resulting in simple value lists.
116  */
117 struct nvlist {
118 	struct nvlist	*nv_next;
119 	const char	*nv_name;
120 	const char	*nv_str;
121 	void		*nv_ptr;
122 	long long	nv_num;
123 	int		nv_ifunit;		/* XXX XXX XXX */
124 	int		nv_flags;
125 #define	NV_DEPENDED	1
126 };
127 
128 /*
129  * Kernel configurations.
130  */
131 struct config {
132 	TAILQ_ENTRY(config) cf_next;
133 	const char *cf_name;		/* "netbsd" */
134 	int	cf_lineno;		/* source line */
135 	const char *cf_fstype;		/* file system type */
136 	struct	nvlist *cf_root;	/* "root on ra0a" */
137 	struct	nvlist *cf_dump;	/* "dumps on ra0b" */
138 };
139 
140 /*
141  * Option definition list
142  */
143 struct defoptlist {
144 	struct defoptlist *dl_next;
145 	const char *dl_name;
146 	const char *dl_value;
147 	const char *dl_lintvalue;
148 	int dl_obsolete;
149 	struct nvlist *dl_depends;
150 };
151 
152 /*
153  * Attributes.  These come in three flavors: "plain", "device class,"
154  * and "interface".  Plain attributes (e.g., "ether") simply serve
155  * to pull in files.  Device class attributes are like plain
156  * attributes, but additionally specify a device class (e.g., the
157  * "disk" device class attribute specifies that devices with the
158  * attribute belong to the "DV_DISK" class) and are mutually exclusive.
159  * Interface attributes (e.g., "scsi") carry three lists: locators,
160  * child devices, and references.  The locators are those things
161  * that must be specified in order to configure a device instance
162  * using this attribute (e.g., "tg0 at scsi0").  The a_devs field
163  * lists child devices that can connect here (e.g., "tg"s), while
164  * the a_refs are parents that carry the attribute (e.g., actual
165  * SCSI host adapter drivers such as the SPARC "esp").
166  */
167 struct attr {
168 	const char *a_name;		/* name of this attribute */
169 	int	a_iattr;		/* true => allows children */
170 	const char *a_devclass;		/* device class described */
171 	struct	loclist *a_locs;	/* locators required */
172 	int	a_loclen;		/* length of above list */
173 	struct	nvlist *a_devs;		/* children */
174 	struct	nvlist *a_refs;		/* parents */
175 	struct	attrlist *a_deps;	/* we depend on these other attrs */
176 	int	a_expanding;		/* to detect cycles in attr graph */
177 };
178 
179 /*
180  * List of attributes.
181  */
182 struct attrlist {
183 	struct attrlist *al_next;
184 	struct attr *al_this;
185 };
186 
187 /*
188  * List of locators. (Either definitions or uses...)
189  *
190  * XXX it would be nice if someone could clarify wtf ll_string and ll_num
191  * are actually holding. (This stuff was previously stored in a very ad
192  * hoc fashion, and the code is far from clear.)
193  */
194 struct loclist {
195 	const char *ll_name;
196 	const char *ll_string;
197 	long long ll_num;
198 	struct loclist *ll_next;
199 };
200 
201 /*
202  * Parent specification.  Multiple device instances may share a
203  * given parent spec.  Parent specs are emitted only if there are
204  * device instances which actually reference it.
205  */
206 struct pspec {
207 	TAILQ_ENTRY(pspec) p_list;	/* link on parent spec list */
208 	struct	attr *p_iattr;		/* interface attribute of parent */
209 	struct	devbase *p_atdev;	/* optional parent device base */
210 	int	p_atunit;		/* optional parent device unit */
211 	struct	nvlist *p_devs;		/* children using it */
212 	int	p_inst;			/* parent spec instance */
213 	int	p_active;		/* parent spec is actively used */
214 };
215 
216 /*
217  * The "base" part (struct devbase) of a device ("uba", "sd"; but not
218  * "uba2" or "sd0").  It may be found "at" one or more attributes,
219  * including "at root" (this is represented by a NULL attribute), as
220  * specified by the device attachments (struct deva).
221  *
222  * Each device may also export attributes.  If any provide an output
223  * interface (e.g., "esp" provides "scsi"), other devices (e.g.,
224  * "tg"s) can be found at instances of this one (e.g., "esp"s).
225  * Such a connection must provide locators as specified by that
226  * interface attribute (e.g., "target").  The base device can
227  * export both output (aka `interface') attributes, as well as
228  * import input (`plain') attributes.  Device attachments may
229  * only import input attributes; it makes no sense to have a
230  * specific attachment export a new interface to other devices.
231  *
232  * Each base carries a list of instances (via d_ihead).  Note that this
233  * list "skips over" aliases; those must be found through the instances
234  * themselves.  Each base also carries a list of possible attachments,
235  * each of which specify a set of devices that the device can attach
236  * to, as well as the device instances that are actually using that
237  * attachment.
238  */
239 struct devbase {
240 	const char *d_name;		/* e.g., "sd" */
241 	TAILQ_ENTRY(devbase) d_next;
242 	int	d_isdef;		/* set once properly defined */
243 	int	d_ispseudo;		/* is a pseudo-device */
244 	devmajor_t d_major;		/* used for "root on sd0", e.g. */
245 	struct	attrlist *d_attrs;	/* attributes, if any */
246 	int	d_umax;			/* highest unit number + 1 */
247 	struct	devi *d_ihead;		/* first instance, if any */
248 	struct	devi **d_ipp;		/* used for tacking on more instances */
249 	struct	deva *d_ahead;		/* first attachment, if any */
250 	struct	deva **d_app;		/* used for tacking on attachments */
251 	struct	attr *d_classattr;	/* device class attribute (if any) */
252 };
253 
254 struct deva {
255 	const char *d_name;		/* name of attachment, e.g. "com_isa" */
256 	TAILQ_ENTRY(deva) d_next;	/* list of all instances */
257 	struct	deva *d_bsame;		/* list on same base */
258 	int	d_isdef;		/* set once properly defined */
259 	struct	devbase *d_devbase;	/* the base device */
260 	struct	nvlist *d_atlist;	/* e.g., "at tg" (attr list) */
261 	struct	attrlist *d_attrs;	/* attributes, if any */
262 	struct	devi *d_ihead;		/* first instance, if any */
263 	struct	devi **d_ipp;		/* used for tacking on more instances */
264 };
265 
266 /*
267  * An "instance" of a device.  The same instance may be listed more
268  * than once, e.g., "xx0 at isa? port FOO" + "xx0 at isa? port BAR".
269  *
270  * After everything has been read in and verified, the devi's are
271  * "packed" to collect all the information needed to generate ioconf.c.
272  * In particular, we try to collapse multiple aliases into a single entry.
273  * We then assign each "primary" (non-collapsed) instance a cfdata index.
274  * Note that there may still be aliases among these.
275  */
276 struct devi {
277 	/* created while parsing config file */
278 	const char *i_name;	/* e.g., "sd0" */
279 	int	i_unit;		/* unit from name, e.g., 0 */
280 	struct	devbase *i_base;/* e.g., pointer to "sd" base */
281 	TAILQ_ENTRY(devi) i_next; /* list of all instances */
282 	struct	devi *i_bsame;	/* list on same base */
283 	struct	devi *i_asame;	/* list on same base attachment */
284 	struct	devi *i_alias;	/* other aliases of this instance */
285 	const char *i_at;	/* where this is "at" (NULL if at root) */
286 	struct	pspec *i_pspec;	/* parent spec (NULL if at root) */
287 	struct	deva *i_atdeva;
288 	const char **i_locs;	/* locators (as given by pspec's iattr) */
289 	int	i_cfflags;	/* flags from config line */
290 	int	i_lineno;	/* line # in config, for later errors */
291 	const char *i_srcfile;	/* file it appears in */
292 	int	i_level;	/* position between negated instances */
293 	int	i_active;
294 #define	DEVI_ORPHAN	0	/* instance has no active parent */
295 #define	DEVI_ACTIVE	1	/* instance has an active parent */
296 #define	DEVI_IGNORED	2	/* instance's parent has been removed */
297 #define DEVI_BROKEN	3	/* instance is broken (syntax error) */
298 	int	i_pseudoroot;	/* instance is pseudoroot */
299 
300 	/* created during packing or ioconf.c generation */
301 	short	i_collapsed;	/* set => this alias no longer needed */
302 	short	i_cfindex;	/* our index in cfdata */
303 	short	i_locoff;	/* offset in locators.vec */
304 
305 };
306 /* special units */
307 #define	STAR	(-1)		/* unit number for, e.g., "sd*" */
308 #define	WILD	(-2)		/* unit number for, e.g., "sd?" */
309 
310 /*
311  * Files or objects.  This structure defines the common fields
312  * between the two.
313  */
314 struct filetype
315 {
316 	const char *fit_srcfile;	/* the name of the "files" file that got us */
317 	u_short	fit_srcline;	/* and the line number */
318 	u_char	fit_flags;	/* as below */
319 	char	fit_lastc;	/* last char from path */
320 	const char *fit_path;	/* full file path */
321 	const char *fit_prefix;	/* any file prefix */
322 };
323 /* Anything less than 0x10 is sub-type specific */
324 #define FIT_NOPROLOGUE  0x10    /* Don't prepend $S/ */
325 #define FIT_FORCESELECT 0x20    /* Always include this file */
326 
327 /*
328  * Files.  Each file is either standard (always included) or optional,
329  * depending on whether it has names on which to *be* optional.  The
330  * options field (fi_optx) is an expression tree of type struct
331  * condexpr, with nodes for OR, AND, and NOT, as well as atoms (words)
332  * representing some particular option.
333  *
334  * For any file marked as needs-count or needs-flag, fixfiles() will
335  * build fi_optf, a `flat list' of the options with nv_num fields that
336  * contain counts or `need' flags; this is used in mkheaders().
337  */
338 struct files {
339 	struct filetype fi_fit;
340 	TAILQ_ENTRY(files) fi_next;
341 	const  char *fi_tail;	/* name, i.e., strrchr(fi_path, '/') + 1 */
342 	const  char *fi_base;	/* tail minus ".c" (or whatever) */
343 	struct condexpr *fi_optx; /* options expression */
344 	struct nvlist *fi_optf; /* flattened version of above, if needed */
345 	const  char *fi_mkrule;	/* special make rule, if any */
346 };
347 #define fi_srcfile fi_fit.fit_srcfile
348 #define fi_srcline fi_fit.fit_srcline
349 #define fi_flags   fi_fit.fit_flags
350 #define fi_lastc   fi_fit.fit_lastc
351 #define fi_path    fi_fit.fit_path
352 #define fi_prefix  fi_fit.fit_prefix
353 
354 /* flags */
355 #define	FI_SEL		0x01	/* selected */
356 #define	FI_NEEDSCOUNT	0x02	/* needs-count */
357 #define	FI_NEEDSFLAG	0x04	/* needs-flag */
358 #define	FI_HIDDEN	0x08	/* obscured by other(s), base names overlap */
359 
360 /*
361  * Objects and libraries.  This allows precompiled object and library
362  * files (e.g. binary-only device drivers) to be linked in.
363  */
364 struct objects {
365 	struct  filetype oi_fit;
366 	TAILQ_ENTRY(objects) oi_next;
367 	struct condexpr *oi_optx;	/* condition expression */
368 	struct  nvlist *oi_optf;/* flattened version of above, if needed */
369 };
370 
371 #define oi_srcfile oi_fit.fit_srcfile
372 #define oi_srcline oi_fit.fit_srcline
373 #define oi_flags   oi_fit.fit_flags
374 #define oi_lastc   oi_fit.fit_lastc
375 #define oi_path    oi_fit.fit_path
376 #define oi_prefix  oi_fit.fit_prefix
377 
378 /* flags */
379 #define	OI_SEL		0x01	/* selected */
380 #define	OI_NEEDSFLAG	0x02	/* needs-flag */
381 
382 /*
383  * Condition expressions.
384  */
385 
386 enum condexpr_types {
387 	CX_ATOM,
388 	CX_NOT,
389 	CX_AND,
390 	CX_OR,
391 };
392 struct condexpr {
393 	enum condexpr_types cx_type;
394 	union {
395 		const char *atom;
396 		struct condexpr *not;
397 		struct {
398 			struct condexpr *left;
399 			struct condexpr *right;
400 		} and, or;
401 	} cx_u;
402 };
403 #define cx_atom	cx_u.atom
404 #define cx_not	cx_u.not
405 #define cx_and	cx_u.and
406 #define cx_or	cx_u.or
407 
408 /*
409  * File/object prefixes.  These are arranged in a stack, and affect
410  * the behavior of the source path.
411  */
412 struct prefix {
413 	SLIST_ENTRY(prefix)	pf_next;	/* next prefix in stack */
414 	const char		*pf_prefix;	/* the actual prefix */
415 };
416 
417 /*
418  * Device major informations.
419  */
420 struct devm {
421 	TAILQ_ENTRY(devm) dm_next;
422 	const char	*dm_srcfile;	/* the name of the "majors" file */
423 	u_short		dm_srcline;	/* the line number */
424 	const char	*dm_name;	/* [bc]devsw name */
425 	devmajor_t	dm_cmajor;	/* character major */
426 	devmajor_t	dm_bmajor;	/* block major */
427 	struct condexpr	*dm_opts;	/* options */
428 	struct nvlist	*dm_devnodes;	/* information on /dev nodes */
429 };
430 
431 /*
432  * Hash tables look up name=value pairs.  The pointer value of the name
433  * is assumed to be constant forever; this can be arranged by interning
434  * the name.  (This is fairly convenient since our lexer does this for
435  * all identifier-like strings---it has to save them anyway, lest yacc's
436  * look-ahead wipe out the current one.)
437  */
438 struct hashtab;
439 
440 int lkmmode;
441 const char *conffile;		/* source file, e.g., "GENERIC.sparc" */
442 const char *machine;		/* machine type, e.g., "sparc" or "sun3" */
443 const char *machinearch;	/* machine arch, e.g., "sparc" or "m68k" */
444 struct	nvlist *machinesubarches;
445 				/* machine subarches, e.g., "sun68k" or "hpc" */
446 const char *ioconfname;		/* ioconf name, mutually exclusive to machine */
447 const char *srcdir;		/* path to source directory (rel. to build) */
448 const char *builddir;		/* path to build directory */
449 const char *defbuilddir;	/* default build directory */
450 const char *ident;		/* kernel "ident"ification string */
451 int	errors;			/* counts calls to error() */
452 int	minmaxusers;		/* minimum "maxusers" parameter */
453 int	defmaxusers;		/* default "maxusers" parameter */
454 int	maxmaxusers;		/* default "maxusers" parameter */
455 int	maxusers;		/* configuration's "maxusers" parameter */
456 int	maxpartitions;		/* configuration's "maxpartitions" parameter */
457 int	version;		/* version of the configuration file */
458 struct	nvlist *options;	/* options */
459 struct	nvlist *fsoptions;	/* filesystems */
460 struct	nvlist *mkoptions;	/* makeoptions */
461 struct	nvlist *appmkoptions;	/* appending mkoptions */
462 struct	nvlist *condmkoptions;	/* conditional makeoption table */
463 struct	hashtab *devbasetab;	/* devbase lookup */
464 struct	hashtab *devroottab;	/* attach at root lookup */
465 struct	hashtab *devatab;	/* devbase attachment lookup */
466 struct	hashtab *devitab;	/* device instance lookup */
467 struct	hashtab *deaddevitab;	/* removed instances lookup */
468 struct	hashtab *selecttab;	/* selects things that are "optional foo" */
469 struct	hashtab *needcnttab;	/* retains names marked "needs-count" */
470 struct	hashtab *opttab;	/* table of configured options */
471 struct	hashtab *fsopttab;	/* table of configured file systems */
472 struct	dlhash *defopttab;	/* options that have been "defopt"'d */
473 struct	dlhash *defflagtab;	/* options that have been "defflag"'d */
474 struct	dlhash *defparamtab;	/* options that have been "defparam"'d */
475 struct	dlhash *defoptlint;	/* lint values for options */
476 struct	nvhash *deffstab;	/* defined file systems */
477 struct	dlhash *optfiletab;	/* "defopt"'d option .h files */
478 struct	hashtab *attrtab;	/* attributes (locators, etc.) */
479 struct	hashtab *bdevmtab;	/* block devm lookup */
480 struct	hashtab *cdevmtab;	/* character devm lookup */
481 
482 TAILQ_HEAD(, devbase)	allbases;	/* list of all devbase structures */
483 TAILQ_HEAD(, deva)	alldevas;	/* list of all devbase attachments */
484 TAILQ_HEAD(conftq, config) allcf;	/* list of configured kernels */
485 TAILQ_HEAD(, devi)	alldevi,	/* list of all instances */
486 			allpseudo;	/* list of all pseudo-devices */
487 TAILQ_HEAD(, devm)	alldevms;	/* list of all device-majors */
488 TAILQ_HEAD(, pspec)	allpspecs;	/* list of all parent specs */
489 int	ndevi;				/* number of devi's (before packing) */
490 int	npspecs;			/* number of parent specs */
491 devmajor_t maxbdevm;			/* max number of block major */
492 devmajor_t maxcdevm;			/* max number of character major */
493 int	do_devsw;			/* 0 if pre-devsw config */
494 int	oktopackage;			/* 0 before setmachine() */
495 int	devilevel;			/* used for devi->i_level */
496 
497 TAILQ_HEAD(, files)	allfiles;	/* list of all kernel source files */
498 TAILQ_HEAD(, objects)	allobjects;	/* list of all kernel object and
499 					   library files */
500 
501 SLIST_HEAD(, prefix)	prefixes,	/* prefix stack */
502 			allprefixes;	/* all prefixes used (after popped) */
503 SLIST_HEAD(, prefix)	curdirs;	/* curdir stack */
504 
505 struct	devi **packed;		/* arrayified table for packed devi's */
506 size_t	npacked;		/* size of packed table, <= ndevi */
507 
508 struct {			/* loc[] table for config */
509 	const char **vec;
510 	int	used;
511 } locators;
512 
513 struct numconst {
514 	int64_t	val;
515 	int fmt;
516 };
517 
518 /* files.c */
519 void	initfiles(void);
520 void	checkfiles(void);
521 int	fixfiles(void);		/* finalize */
522 int	fixobjects(void);
523 int	fixdevsw(void);
524 void	addfile(const char *, struct condexpr *, int, const char *);
525 void	addobject(const char *, struct condexpr *, int);
526 int	expr_eval(struct condexpr *, int (*)(const char *, void *), void *);
527 
528 /* hash.c */
529 struct	hashtab *ht_new(void);
530 void	ht_free(struct hashtab *);
531 int	ht_insrep(struct hashtab *, const char *, void *, int);
532 #define	ht_insert(ht, nam, val) ht_insrep(ht, nam, val, 0)
533 #define	ht_replace(ht, nam, val) ht_insrep(ht, nam, val, 1)
534 int	ht_remove(struct hashtab *, const char *);
535 void	*ht_lookup(struct hashtab *, const char *);
536 void	initintern(void);
537 const char *intern(const char *);
538 typedef int (*ht_callback)(const char *, void *, void *);
539 int	ht_enumerate(struct hashtab *, ht_callback, void *);
540 
541 /* typed hash, named struct HT, whose type is string -> struct VT */
542 #define DECLHASH(HT, VT) \
543 	struct HT;							\
544 	struct HT *HT##_create(void);					\
545 	int HT##_insert(struct HT *, const char *, struct VT *);	\
546 	int HT##_replace(struct HT *, const char *, struct VT *);	\
547 	int HT##_remove(struct HT *, const char *);			\
548 	struct VT *HT##_lookup(struct HT *, const char *);		\
549 	int HT##_enumerate(struct HT *,					\
550 			int (*)(const char *, struct VT *, void *),	\
551 			void *)
552 DECLHASH(nvhash, nvlist);
553 DECLHASH(dlhash, defoptlist);
554 
555 /* lint.c */
556 void	emit_instances(void);
557 void	emit_options(void);
558 void	emit_params(void);
559 
560 /* main.c */
561 void	addoption(const char *, const char *);
562 void	addfsoption(const char *);
563 void	addmkoption(const char *, const char *);
564 void	appendmkoption(const char *, const char *);
565 void	appendcondmkoption(struct condexpr *, const char *, const char *);
566 void	deffilesystem(struct nvlist *, struct nvlist *);
567 void	defoption(const char *, struct defoptlist *, struct nvlist *);
568 void	defflag(const char *, struct defoptlist *, struct nvlist *, int);
569 void	defparam(const char *, struct defoptlist *, struct nvlist *, int);
570 void	deloption(const char *);
571 void	delfsoption(const char *);
572 void	delmkoption(const char *);
573 int	devbase_has_instances(struct devbase *, int);
574 int	is_declared_option(const char *);
575 int	deva_has_instances(struct deva *, int);
576 void	setupdirs(void);
577 const char *strtolower(const char *);
578 
579 /* tests on option types */
580 #define OPT_FSOPT(n)	(nvhash_lookup(deffstab, (n)) != NULL)
581 #define OPT_DEFOPT(n)	(dlhash_lookup(defopttab, (n)) != NULL)
582 #define OPT_DEFFLAG(n)	(dlhash_lookup(defflagtab, (n)) != NULL)
583 #define OPT_DEFPARAM(n)	(dlhash_lookup(defparamtab, (n)) != NULL)
584 #define OPT_OBSOLETE(n)	(dlhash_lookup(obsopttab, (n)) != NULL)
585 #define DEFINED_OPTION(n) (is_declared_option((n)))
586 
587 /* main.c */
588 void	logconfig_include(FILE *, const char *);
589 
590 /* mkdevsw.c */
591 int	mkdevsw(void);
592 
593 /* mkheaders.c */
594 int	mkheaders(void);
595 int	moveifchanged(const char *, const char *);
596 int	emitlocs(void);
597 int	emitioconfh(void);
598 
599 /* mkioconf.c */
600 int	mkioconf(void);
601 
602 /* mkmakefile.c */
603 int	mkmakefile(void);
604 
605 /* mkswap.c */
606 int	mkswap(void);
607 
608 /* pack.c */
609 void	pack(void);
610 
611 /* scan.l */
612 int	currentline(void);
613 int	firstfile(const char *);
614 void	package(const char *);
615 int	include(const char *, int, int, int);
616 
617 /* sem.c, other than for yacc actions */
618 void	initsem(void);
619 int	onlist(struct nvlist *, void *);
620 
621 /* util.c */
622 void	prefix_push(const char *);
623 void	prefix_pop(void);
624 char	*sourcepath(const char *);
625 void	cfgwarn(const char *, ...)			/* immediate warns */
626      __printflike(1, 2);
627 void	cfgxwarn(const char *, int, const char *, ...)	/* delayed warns */
628      __printflike(3, 4);
629 void	cfgerror(const char *, ...)			/* immediate errs */
630      __printflike(1, 2);
631 void	cfgxerror(const char *, int, const char *, ...)	/* delayed errs */
632      __printflike(3, 4);
633 __dead void panic(const char *, ...)
634      __printflike(1, 2);
635 struct nvlist *newnv(const char *, const char *, void *, long long, struct nvlist *);
636 void	nvfree(struct nvlist *);
637 void	nvfreel(struct nvlist *);
638 struct nvlist *nvcat(struct nvlist *, struct nvlist *);
639 void	autogen_comment(FILE *, const char *);
640 struct defoptlist *defoptlist_create(const char *, const char *, const char *);
641 void defoptlist_destroy(struct defoptlist *);
642 struct defoptlist *defoptlist_append(struct defoptlist *, struct defoptlist *);
643 struct attrlist *attrlist_create(void);
644 struct attrlist *attrlist_cons(struct attrlist *, struct attr *);
645 void attrlist_destroy(struct attrlist *);
646 void attrlist_destroyall(struct attrlist *);
647 struct loclist *loclist_create(const char *, const char *, long long);
648 void loclist_destroy(struct loclist *);
649 struct condexpr *condexpr_create(enum condexpr_types);
650 void condexpr_destroy(struct condexpr *);
651 
652 /* liby */
653 void	yyerror(const char *);
654 int	yylex(void);
655