File: [local] / src / lib / libelf / _elftc.h (download)
Revision 1.3, Thu Sep 1 05:49:04 2022 UTC (21 months, 1 week ago) by miod
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, HEAD
Changes since 1.2: +2 -6 lines
Do not embed ident(1) strings in object code.
ok daniel@ deraadt@ jca@
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/*-
* 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,v 1.3 2022/09/01 05:49:04 miod Exp $
*/
/**
** Miscellaneous 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__)
#define ELFTC_VCSID(ID) /* intentionally disabled */
#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 */
/**
** 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
#if __NetBSD_Version__ <= 599002100
/* from src/doc/CHANGES: flex(1): Import flex-2.5.35 [christos 20091025] */
/* and 5.99.21 was from Wed Oct 21 21:28:36 2009 UTC */
# define ELFTC_BROKEN_YY_NO_INPUT 1
#endif
#endif /* __NetBSD __ */
#if defined(__OpenBSD__)
#include <sys/param.h> /* roundup roundup2 */
#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__ */
#endif /* _ELFTC_H */
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