Add basic debugging documentation (#243)

Adds basic debugging documentation for Visual Studio and x64dbg

1 files changed, 42 insertions, 0 deletions

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+# x64dbg
+
+{% hint style="warning" %}
+If you are not experienced with x64dbg it its recommended to use [Visual Studio](visualstudio.md).
+{% endhint %}
+
+
+## Windows
+
+* Download [x64dbg](https://x64dbg.com/)
+* Extract the `release` folder somewhere on your PC
+* Download the latest relase of [SycllaHide](https://github.com/x64dbg/ScyllaHide/releases/latest)
+* Merge the contents of the `x64dbg` folder into the previously extracted `release` folder
+* Run `x96dbg.exe`
+  * You may receive a Windows SmartScreen prompt, x64dbg snapshots are not signed and will always cause these prompts
+  * When running for the first time it will ask you some questions. After this is complete rerun the executable.
+* Select `x64dbg` in the Launcher    
+![](../../images/debugger-x64dbg-launcher.png)
+
+* Do make debugging easier it is suggested to change your settings to the following:
+  * Keeping System Breakpoint enabled is optional but useful    
+![](../../images/debugger-x64dbg-events.png)
+
+  * Skipping INT3 stepping is recommended to prevent generic breakpoints from stopping the program    
+![](../../images/debugger-x64dbg-engine.png)
+
+  * Make sure to select the exception before disabling breaking. If you are debugging a C++ Exception you need to ignore common exceptions that occur during runtime    
+![](../../images/debugger-x64dbg-exceptions.png)
+
+* Open `NorthstarLauncher.exe` in x64dbg
+* You are now free to debug Northstar
+
+## Linux
+
+{% hint style="warning" %}
+Debugging Northstar under Linux is not trivial due to the direct dependency on Origin, unless you know your way around wine its recommended to debug on Windows.
+{% endhint %}
+
+To simplify the use of x64dbg and automate running Origin a community member has created a script: [ns-linux-dbg](https://github.com/R2NorthstarTools/ns-linux-dbg)
+
+To run it simply invoke it: `./nsdbg.py`    
+It supports a variety of options as well as vanilla wine and Proton, use the help flag to see all possible options: `./nsdbg.py --help`