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Extend gdb to filter registers

From: Yuan Fu
Subject: Extend gdb to filter registers
Date: Thu, 3 Oct 2019 12:40:33 -0400


Currently the register buffer of gdb in Emacs displays all the registers. It would be nice if we can select some registers and ask gdb to only display these. I added this feature in the following patch. For you convenience I didn't modify the Emacs source but created a new file so you can just load it and see the effect.

With the extension we can use `gdb-registers-add-to-display' to add registers to display. And use `gdb-registers-remove-from-display' to remove registers. Please see more details in the docstring. Change will be visible in the next update, e.g. after "si" in gdb.

This is just a demo and there are many parts to complete, e.g., naming of interactive commands, change defvar to defcustom, docsting wording, update registers immediatly after `add-to-/remove-from-display', etc. I want to know what do you think before going further.


Attachment: gdb-ext.el
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