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42 lines
2.2 KiB
42 lines
2.2 KiB
libr - Library to manage resources in ELF binaries
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See the INSTALL file for general installation instructions.
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* What is the purpose of this library?
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This library is intended to provide an easy to use mechanism for managing
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(embedding, retrieving, deleting) resources in ELF binaries. The library
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provides a solid API and ABI that implements the preliminary spec for adding
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ELF resources (icons or otherwise) documented at:
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https://wiki.ubuntu.com/ELFIconSpec
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Please note that should a backward-incompatible change occur to the API/ABI
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then the shared library version code will be bumped.
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* Why are there multiple backends?
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Originally this library was written to use libelf, unfortunately libelf has
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some issues with reordering data in small executables. Until these issues are
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resolved please use libbfd (the default backend) or the read-only backend.
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If you would like to experiment with the libelf backend you can try and set
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resources on the application "alsamixer", which is a commonly installed
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application that is known to break.
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* What is the read-only backend?
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The read-only backend is a dependency-free backend that is capable of reading
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libr resources. Support for this backend is thanks to Martin Rosenau.
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This backend is currently a new edition to libr, however, in the long-run the
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read-only backend will be the recommended (default) backend for the purpose of
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most applications. Only a special class of application (primarily elfres)
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needs to actually add and remove resources in a binary, most applications
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need only read resources already added by elfres.
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NOTICE! This library is licensed under the LGPL v2.1 while the backend for
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libbfd is licensed under the LGPL v3. You may choose to distribute your
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modifications to this variant of the library under the LGPL v3, in accordance
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with Section 5 of that license. Should you wish to excise libbfd from this
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library you may choose to remove libr_bfd.h and libr_bfd.c and compile against
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libelf instead, the backend may be selected at configure time:
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./configure --libr-backend=libelf
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I consider the ability to select the library backend as satisfying the LGPL v3
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Section 5a requirement and this notice (and the notice contained within
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libr_bfd.c) to satisfy the Section 5b requirement.
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