How to remotely debug C++ program from VSCode

README.md

How to remotely debug C++ program from VSCode

Good references:

• https://medium.com/@spe_/debugging-c-c-programs-remotely-using-visual-studio-code-and-gdbserver-559d3434fb78
• https://github.com/dmrauch/vscode-cpp-remote-debug/

The setup:

• Local: MacOSX
• Remote: Ubuntu 16.04 in Docker

Local

• install gdb --with-all-targets
• sign gdb
• setup vscode .launch as in vscode-cpp-remote-debug

Remote

Launch docker with option

--security-opt seccomp:unconfined

moby/moby#21051 (comment)

Inside the container:

gdbserver :1234 build/app_to_debug

Example of launh.json

    {
        "name": "(gdb) cpp-app",
        "type": "cppdbg",
        "request": "launch",
        "program": "${workspaceRoot}/project/app/build/app_to_debug",
        "miDebuggerServerAddress": "0.0.0.0:1234",
        "args": [],
        "stopAtEntry": false,
        "cwd": "${workspaceRoot}",
        "sourceFileMap": {
          "/home/project/app/": "${workspaceRoot}/project/app"
        },
        "environment": [],
        "externalConsole": true,
        "linux": {
          "MIMode": "gdb"
        },
        "osx": {
          "MIMode": "gdb"
        },
        "windows": {
          "MIMode": "gdb"
        }
    },