Jul 05 2022 Firefox Testpoints in Mozilla Unified

This article details the insertion of a common test points into the JavaScript IR/LIR instruction emulator within the JavaScript engine called Spidermonkey.

Identification of Insertion

Since the current JS debugger has left plenty of impressions throughout the SpiderMonkey code, we searched for the print() aspect of the debugger that …

Jul 04 2022 Debugging `jsshell`

This article details how to perfom debugging of the jsshell in Mozilla Unified repository.

Setting Up jsshell Debug

With the js binary built (as described in Firefox JSSHELL, we can then start debugging.

Preparing Work Directory

cd firefox
          mkdir test
          cd test
          DISTDIR=../repo/mozilla-unified/obj-debug-x86_64-pc-linux-gnu/dist/bin/js
          ln …

Apr 30 2022 Debugging a service in systemd

How to debug a service in systemd

Aug 11 2020 Debugging boot sequence in systemd

How to debug boot sequence in systemd

May 05 2020 Debugging fail2ban

How to debug fail2ban for NFTABLES, Debian 11

Apr 01 2020 Vim Syntax Development: A Faster Reloading of Syntax File

How to reload Vim syntax file faster.

May 16 2018 Bro Core Engine

How to debug the Core Engine of Bro-IDS.

Jan 14 2018 OpenLDAP Debugging Levels

How to set debugging level in OpenLDAP client and server programs.