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edde5584c7
In KGDB, the GDB in the host is responsible for the single-step operation of the software. In other words, KGDB does not need to derive the next pc address when performing a software single-step operation. KGDB just inserts the break instruction at the indicated address according to the GDB instructions. This approach does not work in KDB because the GDB does not involve the KDB process. Therefore, this patch provides KDB a software single-step mechanism to use. Signed-off-by: Vincent Chen <vincent.chen@sifive.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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.