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1da02f5108
Adding support for glibc can be useful to distinguish between bugs in
nolibc and bugs in the kernel when a syscall reports an unusual value.
It's not that much work and should not affect the long term
maintainability of the tests. The necessary changes can essentially be
summed up like this:
- set _GNU_SOURCE a the top to access some definitions
- many includes added when we know we don't come from nolibc (missing
the stdio include guard)
- disable gettid() which is not exposed by glibc
- disable gettimeofday's support of bad pointers since these crash
in glibc
- add a simple itoa() for errorname(); strerror() is too verbose (no
way to get short messages). strerrorname_np() was added in modern
glibc (2.32) to do exactly this but that 's too recent to be usable
as the default fallback.
- use the standard ioperm() definition. May be we need to implement
ioperm() in nolibc if that's useful.
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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| README | ||
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.