launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": ".NET Core Launch (console)",
            "type": "coreclr",
            "request": "launch",
            "preLaunchTask": "",
            "windows": {
                "program": "${workspaceRoot}/bin/Windows_NT.x64.Debug/tools/ilc.dll"
            },
            "osx": {
                "program": "${workspaceRoot}/bin/OSX.x64.Debug/tools/ilc.dll"
            },
            "linux": {
                "program": "${workspaceRoot}/bin/Linux.x64.Debug/tools/ilc.dll"
            },
            "args": [],
            "cwd": "${workspaceRoot}",
            "stopAtEntry": false,
            "externalConsole": false
        },
        {
            "name": ".NET Core Attach",
            "type": "coreclr",
            "request": "attach",
            "processId": "${command:pickProcess}"
        }
    ]
}