1 /*        $NetBSD: defs.h,v 1.109 2024/04/05 00:43:42 riastradh 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                  20240118
111 #define CONFIG_MINVERSION     0
112 
113 struct where {
114           const char *w_srcfile;                  /* file name where we are defined */
115           u_short   w_srcline;                    /* line number where we are defined */
116 };
117 /*
118  * Name/value lists.  Values can be strings or pointers and/or can carry
119  * integers.  The names can be NULL, resulting in simple value lists.
120  */
121 struct nvlist {
122           struct nvlist       *nv_next;
123           const char          *nv_name;
124           const char          *nv_str;
125           void                *nv_ptr;
126           long long nv_num;
127           int                 nv_ifunit;                    /* XXX XXX XXX */
128           int                 nv_flags;
129 #define   NV_DEPENDED         1
130           struct where        nv_where;
131 };
132 
133 /*
134  * Kernel configurations.
135  */
136 struct config {
137           TAILQ_ENTRY(config) cf_next;
138           const char *cf_name;                    /* "netbsd" */
139           const char *cf_fstype;                  /* file system type */
140           struct    nvlist *cf_root;    /* "root on ra0a" */
141           struct    nvlist *cf_dump;    /* "dumps on ra0b" */
142           struct where        cf_where;
143 };
144 
145 /*
146  * Option definition list
147  */
148 struct defoptlist {
149           struct defoptlist *dl_next;
150           const char *dl_name;
151           const char *dl_value;
152           const char *dl_lintvalue;
153           int dl_obsolete;
154           int dl_mkvar;
155           struct nvlist *dl_depends;
156           struct where        dl_where;
157 };
158 
159 struct files;
160 TAILQ_HEAD(filelist, files);
161 
162 struct module {
163           const char                    *m_name;
164 #if 1
165           struct attrlist               *m_deps;
166 #else
167           struct attrlist               *m_attrs;
168           struct modulelist   *m_deps;
169 #endif
170           int                           m_expanding;
171           struct filelist               m_files;
172           int                           m_weight;
173 };
174 
175 /*
176  * Attributes.  These come in three flavors: "plain", "device class,"
177  * and "interface".  Plain attributes (e.g., "ether") simply serve
178  * to pull in files.  Device class attributes are like plain
179  * attributes, but additionally specify a device class (e.g., the
180  * "disk" device class attribute specifies that devices with the
181  * attribute belong to the "DV_DISK" class) and are mutually exclusive.
182  * Interface attributes (e.g., "scsi") carry three lists: locators,
183  * child devices, and references.  The locators are those things
184  * that must be specified in order to configure a device instance
185  * using this attribute (e.g., "tg0 at scsi0").  The a_devs field
186  * lists child devices that can connect here (e.g., "tg"s), while
187  * the a_refs are parents that carry the attribute (e.g., actual
188  * SCSI host adapter drivers such as the SPARC "esp").
189  */
190 struct attr {
191           /* XXX */
192           struct module a_m;
193 #define   a_name              a_m.m_name
194 #define   a_deps              a_m.m_deps
195 #define   a_expanding         a_m.m_expanding
196 #define   a_files             a_m.m_files
197 #define   a_weight  a_m.m_weight
198 
199           /* "interface attribute" */
200           uint8_t   a_iattr;            /* true => allows children */
201           uint8_t a_deselected;                   /* deselected */
202           struct    loclist *a_locs;    /* locators required */
203           int       a_loclen;           /* length of above list */
204           struct    nvlist *a_devs;               /* children */
205           struct    nvlist *a_refs;               /* parents */
206 
207           /* "device class" */
208           const char *a_devclass;                 /* device class described */
209           struct where a_where;
210 
211           size_t    a_idx;                        /* index to break sorting ties */
212 };
213 
214 /*
215  * List of attributes.
216  */
217 struct attrlist {
218           struct attrlist *al_next;
219           struct attr *al_this;
220 };
221 
222 /*
223  * List of locators. (Either definitions or uses...)
224  *
225  * XXX it would be nice if someone could clarify wtf ll_string and ll_num
226  * are actually holding. (This stuff was previously stored in a very ad
227  * hoc fashion, and the code is far from clear.)
228  */
229 struct loclist {
230           const char *ll_name;
231           const char *ll_string;
232           long long ll_num;
233           struct loclist *ll_next;
234 };
235 
236 /*
237  * Parent specification.  Multiple device instances may share a
238  * given parent spec.  Parent specs are emitted only if there are
239  * device instances which actually reference it.
240  */
241 struct pspec {
242           TAILQ_ENTRY(pspec) p_list;    /* link on parent spec list */
243           struct    attr *p_iattr;                /* interface attribute of parent */
244           struct    devbase *p_atdev;   /* optional parent device base */
245           int       p_atunit;           /* optional parent device unit */
246           struct    nvlist *p_devs;               /* children using it */
247           int       p_inst;                       /* parent spec instance */
248           int       p_active;           /* parent spec is actively used */
249           int       p_ref;                        /* refcount */
250 };
251 
252 /*
253  * The "base" part (struct devbase) of a device ("uba", "sd"; but not
254  * "uba2" or "sd0").  It may be found "at" one or more attributes,
255  * including "at root" (this is represented by a NULL attribute), as
256  * specified by the device attachments (struct deva).
257  *
258  * Each device may also export attributes.  If any provide an output
259  * interface (e.g., "esp" provides "scsi"), other devices (e.g.,
260  * "tg"s) can be found at instances of this one (e.g., "esp"s).
261  * Such a connection must provide locators as specified by that
262  * interface attribute (e.g., "target").  The base device can
263  * export both output (aka `interface') attributes, as well as
264  * import input (`plain') attributes.  Device attachments may
265  * only import input attributes; it makes no sense to have a
266  * specific attachment export a new interface to other devices.
267  *
268  * Each base carries a list of instances (via d_ihead).  Note that this
269  * list "skips over" aliases; those must be found through the instances
270  * themselves.  Each base also carries a list of possible attachments,
271  * each of which specify a set of devices that the device can attach
272  * to, as well as the device instances that are actually using that
273  * attachment.
274  */
275 struct devbase {
276           const char *d_name;           /* e.g., "sd" */
277           TAILQ_ENTRY(devbase) d_next;
278           int       d_level;
279           struct devbase *d_levelparent;
280           int       d_isdef;            /* set once properly defined */
281           int       d_ispseudo;                   /* is a pseudo-device */
282           devmajor_t d_major;           /* used for "root on sd0", e.g. */
283           struct    attrlist *d_attrs;  /* attributes, if any */
284           int       d_umax;                       /* highest unit number + 1 */
285           struct    devi *d_ihead;                /* first instance, if any */
286           struct    devi **d_ipp;                 /* used for tacking on more instances */
287           struct    deva *d_ahead;                /* first attachment, if any */
288           struct    deva **d_app;                 /* used for tacking on attachments */
289           struct    attr *d_classattr;  /* device class attribute (if any) */
290           struct    where d_where;
291 };
292 
293 struct deva {
294           const char *d_name;           /* name of attachment, e.g. "com_isa" */
295           TAILQ_ENTRY(deva) d_next;     /* list of all instances */
296           struct    deva *d_bsame;                /* list on same base */
297           int       d_isdef;            /* set once properly defined */
298           struct    devbase *d_devbase; /* the base device */
299           struct    nvlist *d_atlist;   /* e.g., "at tg" (attr list) */
300           struct    attrlist *d_attrs;  /* attributes, if any */
301           struct    devi *d_ihead;                /* first instance, if any */
302           struct    devi **d_ipp;                 /* used for tacking on more instances */
303           struct    where d_where;
304 };
305 
306 /*
307  * An "instance" of a device.  The same instance may be listed more
308  * than once, e.g., "xx0 at isa? port FOO" + "xx0 at isa? port BAR".
309  *
310  * After everything has been read in and verified, the devi's are
311  * "packed" to collect all the information needed to generate ioconf.c.
312  * In particular, we try to collapse multiple aliases into a single entry.
313  * We then assign each "primary" (non-collapsed) instance a cfdata index.
314  * Note that there may still be aliases among these.
315  */
316 struct devi {
317           /* created while parsing config file */
318           const char *i_name; /* e.g., "sd0" */
319           int       i_unit;             /* unit from name, e.g., 0 */
320           struct    devbase *i_base;/* e.g., pointer to "sd" base */
321           TAILQ_ENTRY(devi) i_next; /* list of all instances */
322           struct    devi *i_bsame;      /* list on same base */
323           struct    devi *i_asame;      /* list on same base attachment */
324           struct    devi *i_alias;      /* other aliases of this instance */
325           const char *i_at;   /* where this is "at" (NULL if at root) */
326           struct    pspec *i_pspec;     /* parent spec (NULL if at root) */
327           struct    deva *i_atdeva;
328           const char **i_locs;          /* locators (as given by pspec's iattr) */
329           int       i_cfflags;          /* flags from config line */
330           int       i_level;  /* position between negated instances */
331           int       i_active;
332 #define   DEVI_ORPHAN         0         /* instance has no active parent */
333 #define   DEVI_ACTIVE         1         /* instance has an active parent */
334 #define   DEVI_IGNORED        2         /* instance's parent has been removed */
335 #define DEVI_BROKEN 3         /* instance is broken (syntax error) */
336           int       i_pseudoroot;       /* instance is pseudoroot */
337 
338           /* created during packing or ioconf.c generation */
339           short     i_collapsed;        /* set => this alias no longer needed */
340           u_short   i_cfindex;          /* our index in cfdata */
341           int       i_locoff; /* offset in locators.vec */
342           struct    where i_where;
343 };
344 /* special units */
345 #define   STAR      (-1)                /* unit number for, e.g., "sd*" */
346 #define   WILD      (-2)                /* unit number for, e.g., "sd?" */
347 
348 /*
349  * Files (*.c, *.S, or *.o).  This structure defines the common fields
350  * between the two.
351  */
352 struct files {
353           TAILQ_ENTRY(files) fi_next;
354           TAILQ_ENTRY(files) fi_snext;  /* per-suffix list */
355           struct    where fi_where;
356           u_char fi_flags;    /* as below */
357           const char *fi_tail;          /* name, i.e., strrchr(fi_path, '/') + 1 */
358           const char *fi_base;          /* tail minus ".c" (or whatever) */
359           const char *fi_dir; /* path to file */
360           const char *fi_path;          /* full file path */
361           const char *fi_prefix;        /* any file prefix */
362           const char *fi_buildprefix;   /* prefix in builddir */
363           int fi_suffix;                /* single char suffix */
364           size_t fi_len;                /* path string length */
365           struct condexpr *fi_optx; /* options expression */
366           struct nvlist *fi_optf; /* flattened version of above, if needed */
367           const char *fi_mkrule;        /* special make rule, if any */
368           struct attr *fi_attr;         /* owner attr */
369           int fi_order;                 /* score of order in ${ALLFILES} */
370           TAILQ_ENTRY(files) fi_anext;  /* next file in attr */
371 };
372 
373 /* flags */
374 #define   FI_SEL              0x01      /* selected */
375 #define   FI_NEEDSCOUNT       0x02      /* needs-count */
376 #define   FI_NEEDSFLAG        0x04      /* needs-flag */
377 #define   FI_HIDDEN 0x08      /* obscured by other(s), base names overlap */
378 
379 extern size_t nselfiles;
380 extern struct files **selfiles;
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 
413 struct prefix;
414 SLIST_HEAD(prefixlist, prefix);
415 
416 struct prefix {
417           SLIST_ENTRY(prefix) pf_next;  /* next prefix in stack */
418           const char                    *pf_prefix;         /* the actual prefix */
419 };
420 
421 /*
422  * Device major informations.
423  */
424 struct devm {
425           TAILQ_ENTRY(devm) dm_next;
426           const char          *dm_name; /* [bc]devsw name */
427           devmajor_t          dm_cmajor;          /* character major */
428           devmajor_t          dm_bmajor;          /* block major */
429           struct condexpr     *dm_opts; /* options */
430           struct nvlist       *dm_devnodes;       /* information on /dev nodes */
431           struct where dm_where;
432 };
433 
434 /*
435  * Hash tables look up name=value pairs.  The pointer value of the name
436  * is assumed to be constant forever; this can be arranged by interning
437  * the name.  (This is fairly convenient since our lexer does this for
438  * all identifier-like strings---it has to save them anyway, lest yacc's
439  * look-ahead wipe out the current one.)
440  */
441 struct hashtab;
442 
443 extern int lkmmode;
444 extern const char *conffile;            /* source file, e.g., "GENERIC.sparc" */
445 extern const char *machine;             /* machine type, e.g., "sparc" or "sun3" */
446 extern const char *machinearch;         /* machine arch, e.g., "sparc" or "m68k" */
447 extern struct       nvlist *machinesubarches;
448                                         /* machine subarches, e.g., "sun68k" or "hpc" */
449 extern const char *ioconfname;                    /* ioconf name, mutually exclusive to machine */
450 extern const char *srcdir;              /* path to source directory (rel. to build) */
451 extern const char *builddir;            /* path to build directory */
452 extern const char *defbuilddir;         /* default build directory */
453 extern const char *ident;               /* kernel "ident"ification string */
454 extern int          errors;                       /* counts calls to error() */
455 extern int          minmaxusers;                  /* minimum "maxusers" parameter */
456 extern int          defmaxusers;                  /* default "maxusers" parameter */
457 extern int          maxmaxusers;                  /* default "maxusers" parameter */
458 extern int          maxusers;           /* configuration's "maxusers" parameter */
459 extern int          maxpartitions;                /* configuration's "maxpartitions" parameter */
460 extern int          version;            /* version of the configuration file */
461 extern struct       nvlist *options;    /* options */
462 extern struct       nvlist *fsoptions;  /* filesystems */
463 extern struct       nvlist *mkoptions;  /* makeoptions */
464 extern struct       nvlist *appmkoptions;         /* appending mkoptions */
465 extern struct       nvlist *condmkoptions;        /* conditional makeoption table */
466 extern struct       hashtab *devbasetab;          /* devbase lookup */
467 extern struct       hashtab *devroottab;          /* attach at root lookup */
468 extern struct       hashtab *devatab;   /* devbase attachment lookup */
469 extern struct       hashtab *devitab;   /* device instance lookup */
470 extern struct       hashtab *deaddevitab;         /* removed instances lookup */
471 extern struct       hashtab *selecttab; /* selects things that are "optional foo" */
472 extern struct       hashtab *needcnttab;          /* retains names marked "needs-count" */
473 extern struct       hashtab *opttab;    /* table of configured options */
474 extern struct       hashtab *fsopttab;  /* table of configured file systems */
475 extern struct       dlhash *defopttab;  /* options that have been "defopt"'d */
476 extern struct       dlhash *defflagtab; /* options that have been "defflag"'d */
477 extern struct       dlhash *defparamtab;          /* options that have been "defparam"'d */
478 extern struct       dlhash *defoptlint; /* lint values for options */
479 extern struct       nvhash *deffstab;   /* defined file systems */
480 extern struct       dlhash *optfiletab; /* "defopt"'d option .h files */
481 extern struct       hashtab *attrtab;   /* attributes (locators, etc.) */
482 extern struct       hashtab *attrdeptab;          /* attribute dependencies */
483 extern struct       hashtab *bdevmtab;  /* block devm lookup */
484 extern struct       hashtab *cdevmtab;  /* character devm lookup */
485 
486 TAILQ_HEAD(devbasetq, devbase);
487 TAILQ_HEAD(devatq, deva);
488 TAILQ_HEAD(conftq, config);
489 TAILQ_HEAD(devitq, devi);
490 TAILQ_HEAD(devmtq, devm);
491 TAILQ_HEAD(pspectq, pspec);
492 
493 extern struct devbasetq allbases;       /* list of all devbase structures */
494 extern struct devatq alldevas;                    /* list of all devbase attachments */
495 extern struct conftq allcf;             /* list of configured kernels */
496 extern struct devitq alldevi,           /* list of all instances */
497                          allpseudo;               /* list of all pseudo-devices */
498 extern struct devmtq alldevms;                    /* list of all device-majors */
499 extern struct pspectq allpspecs;        /* list of all parent specs */
500 extern int          ndevi;                        /* number of devi's (before packing) */
501 extern int          npspecs;            /* number of parent specs */
502 extern devmajor_t maxbdevm;             /* max number of block major */
503 extern devmajor_t maxcdevm;             /* max number of character major */
504 extern int          do_devsw;           /* 0 if pre-devsw config */
505 extern int          oktopackage;                  /* 0 before setmachine() */
506 extern int          devilevel;                    /* used for devi->i_level */
507 
508 extern struct filelist                  allfiles; /* list of all kernel source files */
509 extern struct filelist                  allcfiles;          /* list of all .c files */
510 extern struct filelist                  allsfiles;          /* list of all .S files */
511 extern struct filelist                  allofiles;          /* list of all .o files */
512 
513 extern struct prefixlist      prefixes, /* prefix stack */
514                                         allprefixes;        /* all prefixes used
515                                                              * (after popped) */
516 extern struct prefixlist      buildprefixes,      /* build prefix stack */
517                                         allbuildprefixes;/* all build prefixes used
518                                                               * (after popped) */
519 
520 extern struct attr allattr;
521 extern struct devi **packed;  /* arrayified table for packed devi's */
522 extern size_t npacked;                  /* size of packed table, <= ndevi */
523 
524 extern struct locators {                          /* loc[] table for config */
525           const char **vec;
526           int       used;
527 } locators;
528 
529 struct numconst {
530           int64_t   val;
531           int fmt;
532 };
533 
534 /* files.c */
535 void      initfiles(void);
536 void      checkfiles(void);
537 int       fixfiles(void);               /* finalize */
538 int       fixdevsw(void);
539 void      addfile(const char *, struct condexpr *, u_char, const char *);
540 int       expr_eval(struct condexpr *, int (*)(const char *, void *), void *);
541 
542 /* hash.c */
543 struct    hashtab *ht_new(void);
544 void      ht_free(struct hashtab *);
545 int       ht_insrep2(struct hashtab *, const char *, const char *, void *, int);
546 int       ht_insrep(struct hashtab *, const char *, void *, int);
547 #define   ht_insert2(ht, nam1, nam2, val) ht_insrep2(ht, nam1, nam2, val, 0)
548 #define   ht_insert(ht, nam, val) ht_insrep(ht, nam, val, 0)
549 #define   ht_replace(ht, nam, val) ht_insrep(ht, nam, val, 1)
550 int       ht_remove2(struct hashtab *, const char *, const char *);
551 int       ht_remove(struct hashtab *, const char *);
552 void      *ht_lookup2(struct hashtab *, const char *, const char *);
553 void      *ht_lookup(struct hashtab *, const char *);
554 void      initintern(void);
555 const char *intern(const char *);
556 typedef int (*ht_callback2)(const char *, const char *, void *, void *);
557 typedef int (*ht_callback)(const char *, void *, void *);
558 int       ht_enumerate2(struct hashtab *, ht_callback2, void *);
559 int       ht_enumerate(struct hashtab *, ht_callback, void *);
560 
561 /* typed hash, named struct HT, whose type is string -> struct VT */
562 #define DECLHASH(HT, VT) \
563           struct HT;                                                                      \
564           struct HT *HT##_create(void);                                         \
565           int HT##_insert(struct HT *, const char *, struct VT *);    \
566           int HT##_replace(struct HT *, const char *, struct VT *);   \
567           int HT##_remove(struct HT *, const char *);                           \
568           struct VT *HT##_lookup(struct HT *, const char *);                    \
569           int HT##_enumerate(struct HT *,                                                 \
570                               int (*)(const char *, struct VT *, void *),       \
571                               void *)
572 DECLHASH(nvhash, nvlist);
573 DECLHASH(dlhash, defoptlist);
574 
575 /* lint.c */
576 void      emit_instances(void);
577 void      emit_options(void);
578 void      emit_params(void);
579 
580 /* main.c */
581 extern    int Mflag;
582 extern    int Sflag;
583 void      addoption(const char *, const char *);
584 void      addfsoption(const char *);
585 void      addmkoption(const char *, const char *);
586 void      appendmkoption(const char *, const char *);
587 void      appendcondmkoption(struct condexpr *, const char *, const char *);
588 void      deffilesystem(struct nvlist *, struct nvlist *);
589 void      defoption(const char *, struct defoptlist *, struct nvlist *);
590 void      defflag(const char *, struct defoptlist *, struct nvlist *, int);
591 void      defparam(const char *, struct defoptlist *, struct nvlist *, int);
592 void      deloption(const char *, int);
593 void      delfsoption(const char *, int);
594 void      delmkoption(const char *, int);
595 int       devbase_has_instances(struct devbase *, int);
596 struct where *find_declared_option(const char *);
597 struct defoptlist *find_declared_option_option(const char *name);
598 int       deva_has_instances(struct deva *, int);
599 void      setupdirs(void);
600 void      fixmaxusers(void);
601 void      fixmkoption(void);
602 void      mkflagvar(struct defoptlist *);
603 const char *strtolower(const char *);
604 
605 /* tests on option types */
606 #define OPT_FSOPT(n)          (nvhash_lookup(deffstab, (n)) != NULL)
607 #define OPT_DEFOPT(n)         (dlhash_lookup(defopttab, (n)) != NULL)
608 #define OPT_DEFFLAG(n)        (dlhash_lookup(defflagtab, (n)) != NULL)
609 #define OPT_DEFPARAM(n)       (dlhash_lookup(defparamtab, (n)) != NULL)
610 #define OPT_OBSOLETE(n)       (dlhash_lookup(obsopttab, (n)) != NULL)
611 #define DEFINED_OPTION(n) (find_declared_option((n)))
612 
613 /* main.c */
614 void      logconfig_include(FILE *, const char *);
615 
616 /* mkdevsw.c */
617 int       mkdevsw(void);
618 
619 /* mkheaders.c */
620 int       mkheaders(void);
621 int       moveifchanged(const char *, const char *);
622 int       emitlocs(void);
623 int       emitioconfh(void);
624 
625 /* mkioconf.c */
626 int       mkioconf(void);
627 
628 /* mkmakefile.c */
629 int       mkmakefile(void);
630 
631 /* mkswap.c */
632 int       mkswap(void);
633 
634 /* pack.c */
635 void      pack(void);
636 
637 /* scan.l */
638 u_short   currentline(void);
639 int       firstfile(const char *);
640 void      package(const char *);
641 int       include(const char *, int, int, int);
642 extern int includedepth;
643 
644 /* sem.c, other than for yacc actions */
645 void      initsem(void);
646 int       onlist(struct nvlist *, void *);
647 
648 /* util.c */
649 void      prefix_push(const char *);
650 void      prefix_pop(void);
651 void      buildprefix_push(const char *);
652 void      buildprefix_pop(void);
653 char      *sourcepath(const char *);
654 extern    int dflag;
655 #define   CFGDBG(n, ...) \
656           do { if ((dflag) >= (n)) cfgdbg(__VA_ARGS__); } while (0)
657 void      cfgdbg(const char *, ...)                         /* debug info */
658      __printflike(1, 2);
659 void      cfgwarn(const char *, ...)                        /* immediate warns */
660      __printflike(1, 2);
661 void      cfgxwarn(const char *, int, const char *, ...)    /* delayed warns */
662      __printflike(3, 4);
663 void      cfgerror(const char *, ...)                       /* immediate errs */
664      __printflike(1, 2);
665 void      cfgxerror(const char *, int, const char *, ...)   /* delayed errs */
666      __printflike(3, 4);
667 __dead void panic(const char *, ...)
668      __printflike(1, 2);
669 struct nvlist *newnv(const char *, const char *, void *, long long, struct nvlist *);
670 void      nvfree(struct nvlist *);
671 void      nvfreel(struct nvlist *);
672 struct nvlist *nvcat(struct nvlist *, struct nvlist *);
673 void      autogen_comment(FILE *, const char *);
674 struct defoptlist *defoptlist_create(const char *, const char *, const char *);
675 void defoptlist_destroy(struct defoptlist *);
676 struct defoptlist *defoptlist_append(struct defoptlist *, struct defoptlist *);
677 struct attrlist *attrlist_create(void);
678 struct attrlist *attrlist_cons(struct attrlist *, struct attr *);
679 void attrlist_destroy(struct attrlist *);
680 void attrlist_destroyall(struct attrlist *);
681 struct loclist *loclist_create(const char *, const char *, long long);
682 void loclist_destroy(struct loclist *);
683 struct condexpr *condexpr_create(enum condexpr_types);
684 void condexpr_destroy(struct condexpr *);
685 
686 /* liby */
687 void      yyerror(const char *);
688 int       yylex(void);
689