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5419aa2a8d
The section name of Rel and Rela starts with ".rel" and ".rela" respectively (but, I do not know whether this is specification or convention). For example, ".rela.text" holds relocation entries applied to the ".text" section. So, the code chops the ".rel" or ".rela" prefix to get the name of the section to which the relocation applies. However, I do not like to skip 4 or 5 bytes blindly because it is potential memory overrun. The ELF specification provides a more reliable way to do this. - The sh_info field holds extra information, whose interpretation depends on the section type - If the section type is SHT_REL or SHT_RELA, the sh_info field holds the section header index of the section to which the relocation applies. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.