Run rebar3 + Erlang in debug mode inside VS Code for LLDB debugging. This is useful for debugging linked-in drivers (and possibly NIFs, too). It is a ghastly construction, but it works (assuming you update the paths of course). The '--' twice is very strange but necessary. It seems that both lldb and Erlang using '--' as a signifier for their ar…

launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "(lldb) Launch",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceFolder}/../otp/bin/aarch64-apple-darwin22.6.0/beam.debug.smp",
            "args": [
                "--", "--",
                "-a", "256",
                "-root", "${workspaceFolder}/../otp/",
                "-bindir", "${workspaceFolder}/../otp/bin/aarch64-apple-darwin22.6.0/",
                "-home", "$HOME",
                "-pz", "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/bbmustache/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/certifi/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/cf/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/cth_readable/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/erlware_commons/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/eunit_formatters/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/getopt/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/providers/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/rebar/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/relx/ebin",
                "/Users/sam/.cache/rebar3/vsns/3.24.0/lib/ssl_verify_fun/ebin",
                "-boot", "no_dot_erlang", "-noshell", 
                "-run", "rebar3", "main", "shell"
            ],
            "cwd": "${workspaceFolder}",
            "environment": [
                { "name": "BINDIR", "value": "${workspaceFolder}/../otp/bin/aarch64-apple-darwin22.6.0/" }
            ],
            "targetArchitecture": "arm64",
            "MIMode": "lldb",
            "logging": {
                "moduleLoadTimeout": 10000
            }
        }
    ]
}