.NET Disassembler for Rider

View disassembly from C# methods generated by JIT, ReadyToRun, and NativeAOT compilers.

Features

• View disassembly for any C# method, property, constructor, or type
• Multiple codegen modes: standard JIT, ReadyToRun (crossgen2), and NativeAOT (ilc)
• Snapshot and diff view to compare assembly output after code changes
• Configurable compiler settings: tiered compilation, PGO, and diff-friendly output
• Syntax highlighting for x86/x64 and ARM64 assembly

Installation

From JetBrains Marketplace:

1. Open Rider
2. Go to Settings → Plugins → Marketplace
3. Search for .NET Disassembler
4. Click Install and restart Rider

Usage

1. Open any C# file in a .NET 6.0+ project
2. Place the caret on a method, property, constructor, or type declaration you want to analyze
3. Open the disassembly viewer:
   • Via menu: View → Tool Windows → ASM Viewer, or
   • Via context action: right-click on the method → Show in ASM Viewer
4. The disassembly will be automatically compiled and displayed
5. Use the toolbar to configure compiler options and see how they affect the generated code
6. Create a snapshot to save the current assembly output, then modify your C# code to see the diff

Requirements

• .NET 6.0+ project
• Supported platforms: Windows, macOS, Linux

Credits

This plugin is based on the Disasmo project by Egor Bogatov.

Feedback

Please report issues and feature requests on GitHub Issues.

License

MIT License