Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
/*	$NetBSD: _elftc.h,v 1.5 2016/03/13 03:47:41 christos Exp $	*/

/*-
 * Copyright (c) 2009 Joseph Koshy
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Id: _elftc.h 3244 2015-08-31 19:53:08Z emaste 
 */

/**
 ** Miscellanous definitions needed by multiple components.
 **/

#ifndef	_ELFTC_H
#define	_ELFTC_H

#ifndef	NULL
#define NULL 	((void *) 0)
#endif

#ifndef	offsetof
#define	offsetof(T, M)		((int) &((T*) 0) -> M)
#endif

/* --QUEUE-MACROS-- [[ */

/*
 * Supply macros missing from <sys/queue.h>
 */

/*
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef	LIST_FOREACH_SAFE
#define	LIST_FOREACH_SAFE(var, head, field, tvar)		\
	for ((var) = LIST_FIRST((head));			\
	    (var) && ((tvar) = LIST_NEXT((var), field), 1);	\
	    (var) = (tvar))
#endif

#ifndef	SLIST_FOREACH_SAFE
#define	SLIST_FOREACH_SAFE(var, head, field, tvar)		\
	for ((var) = SLIST_FIRST((head));			\
	    (var) && ((tvar) = SLIST_NEXT((var), field), 1);	\
	    (var) = (tvar))
#endif

#ifndef	STAILQ_CONCAT
#define	STAILQ_CONCAT(head1, head2) do {			\
	if (!STAILQ_EMPTY((head2))) {				\
		*(head1)->stqh_last = (head2)->stqh_first;	\
		(head1)->stqh_last = (head2)->stqh_last;	\
		STAILQ_INIT((head2));				\
	}							\
} while (/*CONSTCOND*/0)
#endif

#ifndef	STAILQ_EMPTY
#define	STAILQ_EMPTY(head)	((head)->stqh_first == NULL)
#endif

#ifndef	STAILQ_ENTRY
#define	STAILQ_ENTRY(type)					\
struct {							\
	struct type *stqe_next;	/* next element */		\
}
#endif

#ifndef	STAILQ_FIRST
#define	STAILQ_FIRST(head)	((head)->stqh_first)
#endif

#ifndef	STAILQ_HEAD
#define	STAILQ_HEAD(name, type)					\
struct name {							\
	struct type *stqh_first; /* first element */		\
	struct type **stqh_last; /* addr of last next element */ \
}
#endif

#ifndef	STAILQ_HEAD_INITIALIZER
#define	STAILQ_HEAD_INITIALIZER(head)				\
	{ NULL, &(head).stqh_first }
#endif

#ifndef	STAILQ_FOREACH
#define	STAILQ_FOREACH(var, head, field)			\
	for ((var) = ((head)->stqh_first);			\
		(var);						\
		(var) = ((var)->field.stqe_next))
#endif

#ifndef	STAILQ_FOREACH_SAFE
#define STAILQ_FOREACH_SAFE(var, head, field, tvar)		\
       for ((var) = STAILQ_FIRST((head));			\
	    (var) && ((tvar) = STAILQ_NEXT((var), field), 1);	\
	    (var) = (tvar))
#endif

#ifndef	STAILQ_INIT
#define	STAILQ_INIT(head) do {					\
	(head)->stqh_first = NULL;				\
	(head)->stqh_last = &(head)->stqh_first;		\
} while (/*CONSTCOND*/0)
#endif

#ifndef	STAILQ_INSERT_HEAD
#define	STAILQ_INSERT_HEAD(head, elm, field) do {			\
	if (((elm)->field.stqe_next = (head)->stqh_first) == NULL)	\
		(head)->stqh_last = &(elm)->field.stqe_next;		\
	(head)->stqh_first = (elm);					\
} while (/*CONSTCOND*/0)
#endif

#ifndef	STAILQ_INSERT_TAIL
#define	STAILQ_INSERT_TAIL(head, elm, field) do {			\
	(elm)->field.stqe_next = NULL;					\
	*(head)->stqh_last = (elm);					\
	(head)->stqh_last = &(elm)->field.stqe_next;			\
} while (/*CONSTCOND*/0)
#endif

#ifndef	STAILQ_INSERT_AFTER
#define	STAILQ_INSERT_AFTER(head, listelm, elm, field) do {		\
	if (((elm)->field.stqe_next = (listelm)->field.stqe_next) == NULL)\
		(head)->stqh_last = &(elm)->field.stqe_next;		\
	(listelm)->field.stqe_next = (elm);				\
} while (/*CONSTCOND*/0)
#endif

#ifndef	STAILQ_LAST
#define STAILQ_LAST(head, type, field)					\
	(STAILQ_EMPTY((head)) ?					\
	    NULL : ((struct type *)(void *)				\
	    ((char *)((head)->stqh_last) - offsetof(struct type, field))))
#endif

#ifndef	STAILQ_NEXT
#define	STAILQ_NEXT(elm, field)	((elm)->field.stqe_next)
#endif

#ifndef	STAILQ_REMOVE
#define	STAILQ_REMOVE(head, elm, type, field) do {			\
	if ((head)->stqh_first == (elm)) {				\
		STAILQ_REMOVE_HEAD((head), field);			\
	} else {							\
		struct type *curelm = (head)->stqh_first;		\
		while (curelm->field.stqe_next != (elm))		\
			curelm = curelm->field.stqe_next;		\
		if ((curelm->field.stqe_next =				\
			curelm->field.stqe_next->field.stqe_next) == NULL) \
			    (head)->stqh_last = &(curelm)->field.stqe_next; \
	}								\
} while (/*CONSTCOND*/0)
#endif

#ifndef	STAILQ_REMOVE_HEAD
#define	STAILQ_REMOVE_HEAD(head, field) do {				\
	if (((head)->stqh_first = (head)->stqh_first->field.stqe_next) == \
	    NULL)							\
		(head)->stqh_last = &(head)->stqh_first;		\
} while (/*CONSTCOND*/0)
#endif

/*
 * The STAILQ_SORT macro is adapted from Simon Tatham's O(n*log(n))
 * mergesort algorithm.
 */
#ifndef	STAILQ_SORT
#define	STAILQ_SORT(head, type, field, cmp) do {			\
	STAILQ_HEAD(, type) _la, _lb;					\
	struct type *_p, *_q, *_e;					\
	int _i, _sz, _nmerges, _psz, _qsz;				\
									\
	_sz = 1;							\
	do {								\
		_nmerges = 0;						\
		STAILQ_INIT(&_lb);					\
		while (!STAILQ_EMPTY((head))) {				\
			_nmerges++;					\
			STAILQ_INIT(&_la);				\
			_psz = 0;					\
			for (_i = 0; _i < _sz && !STAILQ_EMPTY((head));	\
			     _i++) {					\
				_e = STAILQ_FIRST((head));		\
				if (_e == NULL)				\
					break;				\
				_psz++;					\
				STAILQ_REMOVE_HEAD((head), field);	\
				STAILQ_INSERT_TAIL(&_la, _e, field);	\
			}						\
			_p = STAILQ_FIRST(&_la);			\
			_qsz = _sz;					\
			_q = STAILQ_FIRST((head));			\
			while (_psz > 0 || (_qsz > 0 && _q != NULL)) {	\
				if (_psz == 0) {			\
					_e = _q;			\
					_q = STAILQ_NEXT(_q, field);	\
					STAILQ_REMOVE_HEAD((head),	\
					    field);			\
					_qsz--;				\
				} else if (_qsz == 0 || _q == NULL) {	\
					_e = _p;			\
					_p = STAILQ_NEXT(_p, field);	\
					STAILQ_REMOVE_HEAD(&_la, field);\
					_psz--;				\
				} else if (cmp(_p, _q) <= 0) {		\
					_e = _p;			\
					_p = STAILQ_NEXT(_p, field);	\
					STAILQ_REMOVE_HEAD(&_la, field);\
					_psz--;				\
				} else {				\
					_e = _q;			\
					_q = STAILQ_NEXT(_q, field);	\
					STAILQ_REMOVE_HEAD((head),	\
					    field);			\
					_qsz--;				\
				}					\
				STAILQ_INSERT_TAIL(&_lb, _e, field);	\
			}						\
		}							\
		(head)->stqh_first = _lb.stqh_first;			\
		(head)->stqh_last = _lb.stqh_last;			\
		_sz *= 2;						\
	} while (_nmerges > 1);						\
} while (/*CONSTCOND*/0)
#endif

#ifndef	TAILQ_FOREACH_SAFE
#define TAILQ_FOREACH_SAFE(var, head, field, tvar)                      \
	for ((var) = TAILQ_FIRST((head));                               \
	    (var) && ((tvar) = TAILQ_NEXT((var), field), 1);            \
	    (var) = (tvar))
#endif

/* ]] --QUEUE-MACROS-- */

/*
 * VCS Ids.
 */

#ifndef	ELFTC_VCSID

#if defined(__DragonFly__)
#define	ELFTC_VCSID(ID)		__RCSID(ID)
#endif

#if defined(__FreeBSD__)
#define	ELFTC_VCSID(ID)		__FBSDID(ID)
#endif

#if defined(__APPLE__) || defined(__GLIBC__) || defined(__GNU__) || \
    defined(__linux__)
#if defined(__GNUC__)
#define	ELFTC_VCSID(ID)		__asm__(".ident\t\"" ID "\"")
#else
#define	ELFTC_VCSID(ID)		/**/
#endif
#endif

#if defined(__minix)
#if defined(__GNUC__)
#define	ELFTC_VCSID(ID)		__asm__(".ident\t\"" ID "\"")
#else
#define	ELFTC_VCSID(ID)		/**/
#endif	/* __GNU__ */
#endif

#if defined(__NetBSD__)
#define	ELFTC_VCSID(ID)		__RCSID(ID)
#endif

#if defined(__OpenBSD__)
#if defined(__GNUC__)
#define	ELFTC_VCSID(ID)		__asm__(".ident\t\"" ID "\"")
#else
#define	ELFTC_VCSID(ID)		/**/
#endif	/* __GNUC__ */
#endif

#ifndef ELFTC_VCSID
#define	ELFTC_VCSID(ID)		/**/
#endif

#endif	/* ELFTC_VCSID */

/*
 * Provide an equivalent for getprogname(3).
 */

#ifndef	ELFTC_GETPROGNAME

#if defined(__APPLE__) || defined(__DragonFly__) || defined(__FreeBSD__) || \
    defined(__minix) || defined(__NetBSD__)

#include <stdlib.h>

#define	ELFTC_GETPROGNAME()	getprogname()

#endif	/* __DragonFly__ || __FreeBSD__ || __minix || __NetBSD__ */


#if defined(__GLIBC__) || defined(__linux__)
#ifndef _GNU_SOURCE
/*
 * GLIBC based systems have a global 'char *' pointer referencing
 * the executable's name.
 */
extern const char *program_invocation_short_name;
#endif	/* !_GNU_SOURCE */

#define	ELFTC_GETPROGNAME()	program_invocation_short_name

#endif	/* __GLIBC__ || __linux__ */


#if defined(__OpenBSD__)

extern const char *__progname;

#define	ELFTC_GETPROGNAME()	__progname

#endif	/* __OpenBSD__ */

#endif	/* ELFTC_GETPROGNAME */


#ifndef HAVE_NBTOOL_CONFIG_H
/**
 ** Per-OS configuration.
 **/

#if defined(__APPLE__)

#include <libkern/OSByteOrder.h>
#define	htobe32(x)	OSSwapHostToBigInt32(x)
#define	roundup2	roundup

#define	ELFTC_BYTE_ORDER			_BYTE_ORDER
#define	ELFTC_BYTE_ORDER_LITTLE_ENDIAN		_LITTLE_ENDIAN
#define	ELFTC_BYTE_ORDER_BIG_ENDIAN		_BIG_ENDIAN

#define	ELFTC_HAVE_MMAP				1
#define	ELFTC_HAVE_STRMODE			1

#define ELFTC_NEED_BYTEORDER_EXTENSIONS		1
#endif /* __APPLE__ */


#if defined(__DragonFly__)

#include <osreldate.h>
#include <sys/endian.h>

#define	ELFTC_BYTE_ORDER			_BYTE_ORDER
#define	ELFTC_BYTE_ORDER_LITTLE_ENDIAN		_LITTLE_ENDIAN
#define	ELFTC_BYTE_ORDER_BIG_ENDIAN		_BIG_ENDIAN

#define	ELFTC_HAVE_MMAP				1

#endif

#if defined(__GLIBC__) || defined(__linux__)

#include <endian.h>

#define	ELFTC_BYTE_ORDER			__BYTE_ORDER
#define	ELFTC_BYTE_ORDER_LITTLE_ENDIAN		__LITTLE_ENDIAN
#define	ELFTC_BYTE_ORDER_BIG_ENDIAN		__BIG_ENDIAN

#define	ELFTC_HAVE_MMAP				1

/*
 * Debian GNU/Linux and Debian GNU/kFreeBSD do not have strmode(3).
 */
#define	ELFTC_HAVE_STRMODE			0

/* Whether we need to supply {be,le}32dec. */
#define ELFTC_NEED_BYTEORDER_EXTENSIONS		1

#define	roundup2	roundup

#endif	/* __GLIBC__ || __linux__ */


#if defined(__FreeBSD__)

#include <osreldate.h>
#include <sys/endian.h>

#define	ELFTC_BYTE_ORDER			_BYTE_ORDER
#define	ELFTC_BYTE_ORDER_LITTLE_ENDIAN		_LITTLE_ENDIAN
#define	ELFTC_BYTE_ORDER_BIG_ENDIAN		_BIG_ENDIAN

#define	ELFTC_HAVE_MMAP				1
#define	ELFTC_HAVE_STRMODE			1
#if __FreeBSD_version <= 900000
#define	ELFTC_BROKEN_YY_NO_INPUT		1
#endif
#endif	/* __FreeBSD__ */


#if defined(__minix)
#define	ELFTC_HAVE_MMAP				0
#endif	/* __minix */


#if defined(__NetBSD__)

#include <sys/param.h>
#include <sys/endian.h>

#define	ELFTC_BYTE_ORDER			_BYTE_ORDER
#define	ELFTC_BYTE_ORDER_LITTLE_ENDIAN		_LITTLE_ENDIAN
#define	ELFTC_BYTE_ORDER_BIG_ENDIAN		_BIG_ENDIAN

#define	ELFTC_HAVE_MMAP				1
#define	ELFTC_HAVE_STRMODE			1

#endif	/* __NetBSD __ */


#if defined(__OpenBSD__)

#include <sys/param.h>
#include <sys/endian.h>

#define	ELFTC_BYTE_ORDER			_BYTE_ORDER
#define	ELFTC_BYTE_ORDER_LITTLE_ENDIAN		_LITTLE_ENDIAN
#define	ELFTC_BYTE_ORDER_BIG_ENDIAN		_BIG_ENDIAN

#define	ELFTC_HAVE_MMAP				1
#define	ELFTC_HAVE_STRMODE			1

#define	ELFTC_NEED_BYTEORDER_EXTENSIONS		1
#define	roundup2	roundup

#endif	/* __OpenBSD__ */

#else /* Crosscompiling for NetBSD tools */

#include <sys/param.h>
#include <sys/endian.h>

#define	ELFTC_BYTE_ORDER			_BYTE_ORDER
#define	ELFTC_BYTE_ORDER_LITTLE_ENDIAN		_LITTLE_ENDIAN
#define	ELFTC_BYTE_ORDER_BIG_ENDIAN		_BIG_ENDIAN

#define	ELFTC_HAVE_MMAP				1
#define	ELFTC_HAVE_STRMODE			1

#endif /* NBTOOL_CONFIG_H */

#endif	/* _ELFTC_H */