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Diffstat (limited to 'linkers/elftoolchain/common/_elftc.h')
| -rw-r--r-- | linkers/elftoolchain/common/_elftc.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/linkers/elftoolchain/common/_elftc.h b/linkers/elftoolchain/common/_elftc.h new file mode 100644 index 0000000..9ee8db1 --- /dev/null +++ b/linkers/elftoolchain/common/_elftc.h @@ -0,0 +1,176 @@ +/*- + * 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 2064 2011-10-26 15:12:32Z jkoshy $ + */ + +/** + ** 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 + +/* + * Supply macros missing from <sys/queue.h> + */ + +#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_LAST +#define STAILQ_LAST(head, type, field) \ + (STAILQ_EMPTY((head)) ? \ + NULL : \ + ((struct type *)(void *) \ + ((char *)((head)->stqh_last) - offsetof(struct type, field)))) +#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 + +/* + * VCS Ids. + */ + +#ifndef ELFTC_VCSID + +#if defined(__FreeBSD__) +#define ELFTC_VCSID(ID) __FBSDID(ID) +#endif + +#if defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) +#if defined(__GNUC__) +#define ELFTC_VCSID(ID) __asm__(".ident\t\"" ID "\"") +#else +#define ELFTC_VCSID(ID) /**/ +#endif +#endif + +#if defined(__NetBSD__) +#define ELFTC_VCSID(ID) __RCSID(ID) +#endif + +#endif /* ELFTC_VCSID */ + +/* + * Provide an equivalent for getprogname(3). + */ + +#ifndef ELFTC_GETPROGNAME + +#if defined(__FreeBSD__) || defined(__NetBSD__) + +#include <stdlib.h> + +#define ELFTC_GETPROGNAME() getprogname() + +#endif /* defined(__FreeBSD__) || defined(__NetBSD__) */ + + +#if defined(__linux__) + +/* + * GLIBC based systems have a global 'char *' pointer referencing + * the executable's name. + */ +extern const char *program_invocation_short_name; + +#define ELFTC_GETPROGNAME() program_invocation_short_name + +#endif /* __linux__ */ + +#endif /* ELFTC_GETPROGNAME */ + +/** + ** Per-OS configuration. + **/ + +#if 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 + +/* + * Debian GNU/Linux is missing 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 /* __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_STRMODE 1 +#if __FreeBSD_version <= 900000 +#define ELFTC_BROKEN_YY_NO_INPUT 1 +#endif +#endif /* __FreeBSD__ */ + + +#if defined(__NetBSD__) + +#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_STRMODE 1 +#define ELFTC_BROKEN_YY_NO_INPUT 1 +#endif /* __NetBSD __ */ + +#endif /* _ELFTC_H */ |