This is a Ghidra plugin that adds a window showing the high P-code for the current function; when a pseudo-C statement is clicked on in the Decompile window, the corresponding high P-code is highlighted and scrolled into focus:

High P-code is Ghidra's final intermediate representation of the decompiled binary, coming after data and control flow analysis and before the generation of pseudo-C code:

As such, it is the highest level at which pattern detection can conveniently be performed programmatically and therefore well suited for scripting detection of patterns in decompiler output. For a more in-depth explanation and illustration, read this article.

1. Download the release targeting your version of Ghidra.
2. In the main Ghidra window (not the CodeBrowser), click on File > Install Extensions..., then Add extension, and select the downloaded ZIP file.
3. If, after restarting, you do not see High P-Code Viewer in the CodeBrowser's Window menu, click on File > Configure... > [Miscellaneous] Configure and make sure HighPCodeViewerPlugin is enabled.

Once displayed, the viewer can be docked with the console for greater convenience.

1. In Eclipse, install the GhidraDev extension from [Ghidra root folder]/Extensions/Eclipse/GhidraDev. This will add a GhidraDev element to the menu bar.
2. Add your Ghidra root folder to GhidraDev > Preferences > Ghidra Installations....
3. Clone this repository and import it via File > Import... > Existing Projects into Workspace.
4. Right-click on the project name and in the context menu, click on GhidraDev > Link Ghidra...; the Run As... and Debug As... options should now enable you to launch Ghidra with the built plugin. (Note that a conflict is possible if you have already installed it from within Ghidra.)
5. You can export the plugin using the aforementioned context menu, via GhidraDev > Export > Ghidra Module Extension....