xref: /netbsd-src/usr.bin/config/defs.h (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: defs.h,v 1.103 2018/04/09 17:46:56 christos 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)((((dev_t)(x) <<  8) & 0x000fff00U) | \
93                                  (((dev_t)(y) << 12) & 0xfff00000U) | \
94                                  (((dev_t)(y) <<  0) & 0x000000ffU)))
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		20171118
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 struct files;
153 TAILQ_HEAD(filelist, files);
154 
155 struct module {
156 	const char		*m_name;
157 #if 1
158 	struct attrlist		*m_deps;
159 #else
160 	struct attrlist		*m_attrs;
161 	struct modulelist	*m_deps;
162 #endif
163 	int			m_expanding;
164 	struct filelist		m_files;
165 	int			m_weight;
166 };
167 
168 /*
169  * Attributes.  These come in three flavors: "plain", "device class,"
170  * and "interface".  Plain attributes (e.g., "ether") simply serve
171  * to pull in files.  Device class attributes are like plain
172  * attributes, but additionally specify a device class (e.g., the
173  * "disk" device class attribute specifies that devices with the
174  * attribute belong to the "DV_DISK" class) and are mutually exclusive.
175  * Interface attributes (e.g., "scsi") carry three lists: locators,
176  * child devices, and references.  The locators are those things
177  * that must be specified in order to configure a device instance
178  * using this attribute (e.g., "tg0 at scsi0").  The a_devs field
179  * lists child devices that can connect here (e.g., "tg"s), while
180  * the a_refs are parents that carry the attribute (e.g., actual
181  * SCSI host adapter drivers such as the SPARC "esp").
182  */
183 struct attr {
184 	/* XXX */
185 	struct module a_m;
186 #define	a_name		a_m.m_name
187 #define	a_deps		a_m.m_deps
188 #define	a_expanding	a_m.m_expanding
189 #define	a_files		a_m.m_files
190 #define	a_weight	a_m.m_weight
191 
192 	/* "interface attribute" */
193 	uint8_t	a_iattr;		/* true => allows children */
194 	uint8_t a_deselected;		/* deselected */
195 	struct	loclist *a_locs;	/* locators required */
196 	int	a_loclen;		/* length of above list */
197 	struct	nvlist *a_devs;		/* children */
198 	struct	nvlist *a_refs;		/* parents */
199 
200 	/* "device class" */
201 	const char *a_devclass;		/* device class described */
202 };
203 
204 /*
205  * List of attributes.
206  */
207 struct attrlist {
208 	struct attrlist *al_next;
209 	struct attr *al_this;
210 };
211 
212 /*
213  * List of locators. (Either definitions or uses...)
214  *
215  * XXX it would be nice if someone could clarify wtf ll_string and ll_num
216  * are actually holding. (This stuff was previously stored in a very ad
217  * hoc fashion, and the code is far from clear.)
218  */
219 struct loclist {
220 	const char *ll_name;
221 	const char *ll_string;
222 	long long ll_num;
223 	struct loclist *ll_next;
224 };
225 
226 /*
227  * Parent specification.  Multiple device instances may share a
228  * given parent spec.  Parent specs are emitted only if there are
229  * device instances which actually reference it.
230  */
231 struct pspec {
232 	TAILQ_ENTRY(pspec) p_list;	/* link on parent spec list */
233 	struct	attr *p_iattr;		/* interface attribute of parent */
234 	struct	devbase *p_atdev;	/* optional parent device base */
235 	int	p_atunit;		/* optional parent device unit */
236 	struct	nvlist *p_devs;		/* children using it */
237 	int	p_inst;			/* parent spec instance */
238 	int	p_active;		/* parent spec is actively used */
239 	int	p_ref;			/* refcount */
240 };
241 
242 /*
243  * The "base" part (struct devbase) of a device ("uba", "sd"; but not
244  * "uba2" or "sd0").  It may be found "at" one or more attributes,
245  * including "at root" (this is represented by a NULL attribute), as
246  * specified by the device attachments (struct deva).
247  *
248  * Each device may also export attributes.  If any provide an output
249  * interface (e.g., "esp" provides "scsi"), other devices (e.g.,
250  * "tg"s) can be found at instances of this one (e.g., "esp"s).
251  * Such a connection must provide locators as specified by that
252  * interface attribute (e.g., "target").  The base device can
253  * export both output (aka `interface') attributes, as well as
254  * import input (`plain') attributes.  Device attachments may
255  * only import input attributes; it makes no sense to have a
256  * specific attachment export a new interface to other devices.
257  *
258  * Each base carries a list of instances (via d_ihead).  Note that this
259  * list "skips over" aliases; those must be found through the instances
260  * themselves.  Each base also carries a list of possible attachments,
261  * each of which specify a set of devices that the device can attach
262  * to, as well as the device instances that are actually using that
263  * attachment.
264  */
265 struct devbase {
266 	const char *d_name;		/* e.g., "sd" */
267 	TAILQ_ENTRY(devbase) d_next;
268 	int 	d_level;
269 	struct devbase *d_levelparent;
270 	int	d_isdef;		/* set once properly defined */
271 	int	d_ispseudo;		/* is a pseudo-device */
272 	devmajor_t d_major;		/* used for "root on sd0", e.g. */
273 	struct	attrlist *d_attrs;	/* attributes, if any */
274 	int	d_umax;			/* highest unit number + 1 */
275 	struct	devi *d_ihead;		/* first instance, if any */
276 	struct	devi **d_ipp;		/* used for tacking on more instances */
277 	struct	deva *d_ahead;		/* first attachment, if any */
278 	struct	deva **d_app;		/* used for tacking on attachments */
279 	struct	attr *d_classattr;	/* device class attribute (if any) */
280 	const char *d_srcfile;		/* file name where we are defined */
281 	u_short	d_srcline;		/* line number where we are defined */
282 };
283 
284 struct deva {
285 	const char *d_name;		/* name of attachment, e.g. "com_isa" */
286 	TAILQ_ENTRY(deva) d_next;	/* list of all instances */
287 	struct	deva *d_bsame;		/* list on same base */
288 	int	d_isdef;		/* set once properly defined */
289 	struct	devbase *d_devbase;	/* the base device */
290 	struct	nvlist *d_atlist;	/* e.g., "at tg" (attr list) */
291 	struct	attrlist *d_attrs;	/* attributes, if any */
292 	struct	devi *d_ihead;		/* first instance, if any */
293 	struct	devi **d_ipp;		/* used for tacking on more instances */
294 	const char *d_srcfile;		/* file name where we are defined */
295 	u_short	d_srcline;		/* line number where we are defined */
296 };
297 
298 /*
299  * An "instance" of a device.  The same instance may be listed more
300  * than once, e.g., "xx0 at isa? port FOO" + "xx0 at isa? port BAR".
301  *
302  * After everything has been read in and verified, the devi's are
303  * "packed" to collect all the information needed to generate ioconf.c.
304  * In particular, we try to collapse multiple aliases into a single entry.
305  * We then assign each "primary" (non-collapsed) instance a cfdata index.
306  * Note that there may still be aliases among these.
307  */
308 struct devi {
309 	/* created while parsing config file */
310 	const char *i_name;	/* e.g., "sd0" */
311 	int	i_unit;		/* unit from name, e.g., 0 */
312 	struct	devbase *i_base;/* e.g., pointer to "sd" base */
313 	TAILQ_ENTRY(devi) i_next; /* list of all instances */
314 	struct	devi *i_bsame;	/* list on same base */
315 	struct	devi *i_asame;	/* list on same base attachment */
316 	struct	devi *i_alias;	/* other aliases of this instance */
317 	const char *i_at;	/* where this is "at" (NULL if at root) */
318 	struct	pspec *i_pspec;	/* parent spec (NULL if at root) */
319 	struct	deva *i_atdeva;
320 	const char **i_locs;	/* locators (as given by pspec's iattr) */
321 	int	i_cfflags;	/* flags from config line */
322 	int	i_lineno;	/* line # in config, for later errors */
323 	const char *i_srcfile;	/* file it appears in */
324 	int	i_level;	/* position between negated instances */
325 	int	i_active;
326 #define	DEVI_ORPHAN	0	/* instance has no active parent */
327 #define	DEVI_ACTIVE	1	/* instance has an active parent */
328 #define	DEVI_IGNORED	2	/* instance's parent has been removed */
329 #define DEVI_BROKEN	3	/* instance is broken (syntax error) */
330 	int	i_pseudoroot;	/* instance is pseudoroot */
331 
332 	/* created during packing or ioconf.c generation */
333 	short	i_collapsed;	/* set => this alias no longer needed */
334 	u_short	i_cfindex;	/* our index in cfdata */
335 	int	i_locoff;	/* offset in locators.vec */
336 
337 };
338 /* special units */
339 #define	STAR	(-1)		/* unit number for, e.g., "sd*" */
340 #define	WILD	(-2)		/* unit number for, e.g., "sd?" */
341 
342 /*
343  * Files (*.c, *.S, or *.o).  This structure defines the common fields
344  * between the two.
345  */
346 struct files {
347 	TAILQ_ENTRY(files) fi_next;
348 	TAILQ_ENTRY(files) fi_snext;	/* per-suffix list */
349 	const char *fi_srcfile;	/* the name of the "files" file that got us */
350 	u_short	fi_srcline;	/* and the line number */
351 	u_char fi_flags;	/* as below */
352 	const char *fi_tail;	/* name, i.e., strrchr(fi_path, '/') + 1 */
353 	const char *fi_base;	/* tail minus ".c" (or whatever) */
354 	const char *fi_dir;	/* path to file */
355 	const char *fi_path;	/* full file path */
356 	const char *fi_prefix;	/* any file prefix */
357 	const char *fi_buildprefix;	/* prefix in builddir */
358 	int fi_suffix;		/* single char suffix */
359 	size_t fi_len;		/* path string length */
360 	struct condexpr *fi_optx; /* options expression */
361 	struct nvlist *fi_optf; /* flattened version of above, if needed */
362 	const char *fi_mkrule;	/* special make rule, if any */
363 	struct attr *fi_attr;	/* owner attr */
364 	int fi_order;		/* score of order in ${ALLFILES} */
365 	TAILQ_ENTRY(files) fi_anext;	/* next file in attr */
366 };
367 
368 /* flags */
369 #define	FI_SEL		0x01	/* selected */
370 #define	FI_NEEDSCOUNT	0x02	/* needs-count */
371 #define	FI_NEEDSFLAG	0x04	/* needs-flag */
372 #define	FI_HIDDEN	0x08	/* obscured by other(s), base names overlap */
373 
374 extern size_t nselfiles;
375 extern struct files **selfiles;
376 
377 /*
378  * Condition expressions.
379  */
380 
381 enum condexpr_types {
382 	CX_ATOM,
383 	CX_NOT,
384 	CX_AND,
385 	CX_OR,
386 };
387 struct condexpr {
388 	enum condexpr_types cx_type;
389 	union {
390 		const char *atom;
391 		struct condexpr *not;
392 		struct {
393 			struct condexpr *left;
394 			struct condexpr *right;
395 		} and, or;
396 	} cx_u;
397 };
398 #define cx_atom	cx_u.atom
399 #define cx_not	cx_u.not
400 #define cx_and	cx_u.and
401 #define cx_or	cx_u.or
402 
403 /*
404  * File/object prefixes.  These are arranged in a stack, and affect
405  * the behavior of the source path.
406  */
407 
408 struct prefix;
409 SLIST_HEAD(prefixlist, prefix);
410 
411 struct prefix {
412 	SLIST_ENTRY(prefix)	pf_next;	/* next prefix in stack */
413 	const char		*pf_prefix;	/* the actual prefix */
414 };
415 
416 /*
417  * Device major informations.
418  */
419 struct devm {
420 	TAILQ_ENTRY(devm) dm_next;
421 	const char	*dm_srcfile;	/* the name of the "majors" file */
422 	u_short		dm_srcline;	/* the line number */
423 	const char	*dm_name;	/* [bc]devsw name */
424 	devmajor_t	dm_cmajor;	/* character major */
425 	devmajor_t	dm_bmajor;	/* block major */
426 	struct condexpr	*dm_opts;	/* options */
427 	struct nvlist	*dm_devnodes;	/* information on /dev nodes */
428 };
429 
430 /*
431  * Hash tables look up name=value pairs.  The pointer value of the name
432  * is assumed to be constant forever; this can be arranged by interning
433  * the name.  (This is fairly convenient since our lexer does this for
434  * all identifier-like strings---it has to save them anyway, lest yacc's
435  * look-ahead wipe out the current one.)
436  */
437 struct hashtab;
438 
439 int lkmmode;
440 const char *conffile;		/* source file, e.g., "GENERIC.sparc" */
441 const char *machine;		/* machine type, e.g., "sparc" or "sun3" */
442 const char *machinearch;	/* machine arch, e.g., "sparc" or "m68k" */
443 struct	nvlist *machinesubarches;
444 				/* machine subarches, e.g., "sun68k" or "hpc" */
445 const char *ioconfname;		/* ioconf name, mutually exclusive to machine */
446 const char *srcdir;		/* path to source directory (rel. to build) */
447 const char *builddir;		/* path to build directory */
448 const char *defbuilddir;	/* default build directory */
449 const char *ident;		/* kernel "ident"ification string */
450 int	errors;			/* counts calls to error() */
451 int	minmaxusers;		/* minimum "maxusers" parameter */
452 int	defmaxusers;		/* default "maxusers" parameter */
453 int	maxmaxusers;		/* default "maxusers" parameter */
454 int	maxusers;		/* configuration's "maxusers" parameter */
455 int	maxpartitions;		/* configuration's "maxpartitions" parameter */
456 int	version;		/* version of the configuration file */
457 struct	nvlist *options;	/* options */
458 struct	nvlist *fsoptions;	/* filesystems */
459 struct	nvlist *mkoptions;	/* makeoptions */
460 struct	nvlist *appmkoptions;	/* appending mkoptions */
461 struct	nvlist *condmkoptions;	/* conditional makeoption table */
462 struct	hashtab *devbasetab;	/* devbase lookup */
463 struct	hashtab *devroottab;	/* attach at root lookup */
464 struct	hashtab *devatab;	/* devbase attachment lookup */
465 struct	hashtab *devitab;	/* device instance lookup */
466 struct	hashtab *deaddevitab;	/* removed instances lookup */
467 struct	hashtab *selecttab;	/* selects things that are "optional foo" */
468 struct	hashtab *needcnttab;	/* retains names marked "needs-count" */
469 struct	hashtab *opttab;	/* table of configured options */
470 struct	hashtab *fsopttab;	/* table of configured file systems */
471 struct	dlhash *defopttab;	/* options that have been "defopt"'d */
472 struct	dlhash *defflagtab;	/* options that have been "defflag"'d */
473 struct	dlhash *defparamtab;	/* options that have been "defparam"'d */
474 struct	dlhash *defoptlint;	/* lint values for options */
475 struct	nvhash *deffstab;	/* defined file systems */
476 struct	dlhash *optfiletab;	/* "defopt"'d option .h files */
477 struct	hashtab *attrtab;	/* attributes (locators, etc.) */
478 struct	hashtab *attrdeptab;	/* attribute dependencies */
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 struct filelist		allfiles;	/* list of all kernel source files */
498 struct filelist		allcfiles;	/* list of all .c files */
499 struct filelist		allsfiles;	/* list of all .S files */
500 struct filelist		allofiles;	/* list of all .o files */
501 
502 struct prefixlist	prefixes,	/* prefix stack */
503 			allprefixes;	/* all prefixes used (after popped) */
504 struct prefixlist	buildprefixes,	/* build prefix stack */
505 			allbuildprefixes;/* all build prefixes used (after popped) */
506 SLIST_HEAD(, prefix)	curdirs;	/* curdir stack */
507 
508 extern struct attr allattr;
509 struct	devi **packed;		/* arrayified table for packed devi's */
510 size_t	npacked;		/* size of packed table, <= ndevi */
511 
512 struct {			/* loc[] table for config */
513 	const char **vec;
514 	int	used;
515 } locators;
516 
517 struct numconst {
518 	int64_t	val;
519 	int fmt;
520 };
521 
522 /* files.c */
523 void	initfiles(void);
524 void	checkfiles(void);
525 int	fixfiles(void);		/* finalize */
526 int	fixdevsw(void);
527 void	addfile(const char *, struct condexpr *, u_char, const char *);
528 int	expr_eval(struct condexpr *, int (*)(const char *, void *), void *);
529 
530 /* hash.c */
531 struct	hashtab *ht_new(void);
532 void	ht_free(struct hashtab *);
533 int	ht_insrep2(struct hashtab *, const char *, const char *, void *, int);
534 int	ht_insrep(struct hashtab *, const char *, void *, int);
535 #define	ht_insert2(ht, nam1, nam2, val) ht_insrep2(ht, nam1, nam2, val, 0)
536 #define	ht_insert(ht, nam, val) ht_insrep(ht, nam, val, 0)
537 #define	ht_replace(ht, nam, val) ht_insrep(ht, nam, val, 1)
538 int	ht_remove2(struct hashtab *, const char *, const char *);
539 int	ht_remove(struct hashtab *, const char *);
540 void	*ht_lookup2(struct hashtab *, const char *, const char *);
541 void	*ht_lookup(struct hashtab *, const char *);
542 void	initintern(void);
543 const char *intern(const char *);
544 typedef int (*ht_callback2)(const char *, const char *, void *, void *);
545 typedef int (*ht_callback)(const char *, void *, void *);
546 int	ht_enumerate2(struct hashtab *, ht_callback2, void *);
547 int	ht_enumerate(struct hashtab *, ht_callback, void *);
548 
549 /* typed hash, named struct HT, whose type is string -> struct VT */
550 #define DECLHASH(HT, VT) \
551 	struct HT;							\
552 	struct HT *HT##_create(void);					\
553 	int HT##_insert(struct HT *, const char *, struct VT *);	\
554 	int HT##_replace(struct HT *, const char *, struct VT *);	\
555 	int HT##_remove(struct HT *, const char *);			\
556 	struct VT *HT##_lookup(struct HT *, const char *);		\
557 	int HT##_enumerate(struct HT *,					\
558 			int (*)(const char *, struct VT *, void *),	\
559 			void *)
560 DECLHASH(nvhash, nvlist);
561 DECLHASH(dlhash, defoptlist);
562 
563 /* lint.c */
564 void	emit_instances(void);
565 void	emit_options(void);
566 void	emit_params(void);
567 
568 /* main.c */
569 extern	int Mflag;
570 extern	int Sflag;
571 void	addoption(const char *, const char *);
572 void	addfsoption(const char *);
573 void	addmkoption(const char *, const char *);
574 void	appendmkoption(const char *, const char *);
575 void	appendcondmkoption(struct condexpr *, const char *, const char *);
576 void	deffilesystem(struct nvlist *, struct nvlist *);
577 void	defoption(const char *, struct defoptlist *, struct nvlist *);
578 void	defflag(const char *, struct defoptlist *, struct nvlist *, int);
579 void	defparam(const char *, struct defoptlist *, struct nvlist *, int);
580 void	deloption(const char *, int);
581 void	delfsoption(const char *, int);
582 void	delmkoption(const char *, int);
583 int	devbase_has_instances(struct devbase *, int);
584 int	is_declared_option(const char *);
585 int	deva_has_instances(struct deva *, int);
586 void	setupdirs(void);
587 void	fixmaxusers(void);
588 void	fixmkoption(void);
589 const char *strtolower(const char *);
590 
591 /* tests on option types */
592 #define OPT_FSOPT(n)	(nvhash_lookup(deffstab, (n)) != NULL)
593 #define OPT_DEFOPT(n)	(dlhash_lookup(defopttab, (n)) != NULL)
594 #define OPT_DEFFLAG(n)	(dlhash_lookup(defflagtab, (n)) != NULL)
595 #define OPT_DEFPARAM(n)	(dlhash_lookup(defparamtab, (n)) != NULL)
596 #define OPT_OBSOLETE(n)	(dlhash_lookup(obsopttab, (n)) != NULL)
597 #define DEFINED_OPTION(n) (is_declared_option((n)))
598 
599 /* main.c */
600 void	logconfig_include(FILE *, const char *);
601 
602 /* mkdevsw.c */
603 int	mkdevsw(void);
604 
605 /* mkheaders.c */
606 int	mkheaders(void);
607 int	moveifchanged(const char *, const char *);
608 int	emitlocs(void);
609 int	emitioconfh(void);
610 
611 /* mkioconf.c */
612 int	mkioconf(void);
613 
614 /* mkmakefile.c */
615 int	mkmakefile(void);
616 
617 /* mkswap.c */
618 int	mkswap(void);
619 
620 /* pack.c */
621 void	pack(void);
622 
623 /* scan.l */
624 u_short	currentline(void);
625 int	firstfile(const char *);
626 void	package(const char *);
627 int	include(const char *, int, int, int);
628 extern int includedepth;
629 
630 /* sem.c, other than for yacc actions */
631 void	initsem(void);
632 int	onlist(struct nvlist *, void *);
633 
634 /* util.c */
635 void	prefix_push(const char *);
636 void	prefix_pop(void);
637 void	buildprefix_push(const char *);
638 void	buildprefix_pop(void);
639 char	*sourcepath(const char *);
640 extern	int dflag;
641 #define	CFGDBG(n, ...) \
642 	do { if ((dflag) >= (n)) cfgdbg(__VA_ARGS__); } while (0)
643 void	cfgdbg(const char *, ...)			/* debug info */
644      __printflike(1, 2);
645 void	cfgwarn(const char *, ...)			/* immediate warns */
646      __printflike(1, 2);
647 void	cfgxwarn(const char *, int, const char *, ...)	/* delayed warns */
648      __printflike(3, 4);
649 void	cfgerror(const char *, ...)			/* immediate errs */
650      __printflike(1, 2);
651 void	cfgxerror(const char *, int, const char *, ...)	/* delayed errs */
652      __printflike(3, 4);
653 __dead void panic(const char *, ...)
654      __printflike(1, 2);
655 struct nvlist *newnv(const char *, const char *, void *, long long, struct nvlist *);
656 void	nvfree(struct nvlist *);
657 void	nvfreel(struct nvlist *);
658 struct nvlist *nvcat(struct nvlist *, struct nvlist *);
659 void	autogen_comment(FILE *, const char *);
660 struct defoptlist *defoptlist_create(const char *, const char *, const char *);
661 void defoptlist_destroy(struct defoptlist *);
662 struct defoptlist *defoptlist_append(struct defoptlist *, struct defoptlist *);
663 struct attrlist *attrlist_create(void);
664 struct attrlist *attrlist_cons(struct attrlist *, struct attr *);
665 void attrlist_destroy(struct attrlist *);
666 void attrlist_destroyall(struct attrlist *);
667 struct loclist *loclist_create(const char *, const char *, long long);
668 void loclist_destroy(struct loclist *);
669 struct condexpr *condexpr_create(enum condexpr_types);
670 void condexpr_destroy(struct condexpr *);
671 
672 /* liby */
673 void	yyerror(const char *);
674 int	yylex(void);
675