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e0dfecadf5
Make the ldconfig program accept hints files in little-endian and big-endian format on all architectures. The default format is the native byte-order of the respective host. This is expected to change when a version of the pkg command is available that implements support for either byte-order in its internal ldconfig function. (Already committed in the development tree of the pkg utility, a release is expected at the end of Q1/2024). This update adds the -B option to the ldconfig program. It enforces the creation of a big-endian hints file on a little-endian host. The main purpose to is support of tests with non-native byte-order files on little-endian hosts. It will be removed when all supported FreeBSD releases use little-endian hints files by default. When little-endian hints files are generally used, support of either byte-order in libexec/rtld can also be removed. When support for big-endian hints files is no longer required, the COND_SWAP macro in ldconfig and rtld shall be replaced by le32toh(), which just return their argument on little-endian architectures. Approved by: kib MFC after: 1 month Relnotes: yes Differential Revision: https://reviews.freebsd.org/D44093
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 1998 John D. Polstra
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef LDCONFIG_H
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#define LDCONFIG_H 1
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#include <sys/cdefs.h>
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#include <stdbool.h>
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extern bool insecure; /* -i flag, needed here for elfhints.c */
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__BEGIN_DECLS
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void list_elf_hints(const char *);
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void update_elf_hints(const char *, int, char **, bool, bool);
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__END_DECLS
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#endif
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