microsoft / microsoft/MIEngine
Disassembly view not working with Ada
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Description
Environment
OS and version: Ubuntu 20.04
VS Code: 1.74.0
C/C++ extension: 1.13.9
GDB / LLDB version: 12.1.90
Bug Summary
I tried to use cppdebug to debug Ada code with VS Code. I am able to setup breakpoints, have a working registers view, but the Disassembly view does not work: I get an empty Disassembly view with a Disassembly not available message.
The original issue on vscode-cpptools can be found here: https://github.com/microsoft/vscode-cpptools/issues/10358
I have attached the full GDB logs and the launch.json configuration I have used: let me know if you need anything more!
Debugger Configurations
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "C++ Launch",
"type": "cppdbg",
"request": "launch",
"program": "${workspaceFolder}/obj/main",
"cwd": "${workspaceFolder}"
}
]
}
Debugger Logs
Full log here
gdb_output (1).txt
Language Support for Ada: https://marketplace.visualstudio.com/items?itemName=AdaCore.ada
Additional Information

Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reviewing the attached gdb_output.1.txt and reproducing the empty Disassembly view with the listed Ubuntu, VS Code, C/C++ extension, and GDB versions. Compare the failing Ada session with a working session to identify why the view reports unavailable; done means the Disassembly view displays the program instructions.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp, vscode
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100