VSCode GCC Debugging Setup

keybindings.json

// Place your key bindings in this file to override the defaultsauto[]
[
        {
                "key": "tab",
                "command": "editor.action.insertSnippet",
                "when": "editorTextFocus && !editorReadonly && !editorTabMovesFocus && (resourceExtname == .cc || resourceExtname == .h || resourceExtname == .c)",
                "args": {
                        "snippet": "  "
                }
        }
]

launch.json

{
    "configurations": [
        {
            "preLaunchTask": "Start gdbserver",
            "postDebugTask": "Exit gdbserver",
            "name": "Connect to GDB",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceRoot}/host-x86_64-pc-linux-gnu/gcc/xgcc",
            "miDebuggerServerAddress": "localhost:2345",
            "miDebuggerArgs": "-x ${workspaceFolder}/.gdbinit",
            "cwd": "${workspaceRoot}",
            "externalConsole": true,
            "linux": {
              "MIMode": "gdb"
            },
            "postRemoteConnectCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                },
                {
                    "description":  "Set Disassembly Flavor to Intel",
                    "text": "-gdb-set disassembly-flavor intel",
                    "ignoreFailures": true
                }
            ]
        }
    ],
}

tasks.json

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "Build gcc",
            "type": "shell",
            "command": "make",
            "args": [],
            "options": {
                "cwd": "${workspaceFolder}/host-x86_64-pc-linux-gnu/gcc"
            },
            "problemMatcher": [],
            "group": {
                "kind": "build",
                "isDefault": true
            }
        },
        {
            "label": "Start gdbserver",
            "type": "shell",
            "command": "${workspaceFolder}/host-x86_64-pc-linux-gnu/gcc/xgcc",
            "args": [
                "-B",
                "/home/tim/Projects/gcc/host-x86_64-pc-linux-gnu/gcc/",
                "/home/tim/Projects/simple_c/main.c",
                "-o",
                "/home/tim/Projects/simple_c/main",
                "-fanalyzer",
                "-Wall",
                "-wrapper",
                "gdbserver,localhost:2345"
            ],
            "options": {
                "cwd": "${workspaceFolder}/host-x86_64-pc-linux-gnu/gcc"
            },
            "isBackground": true,
            "problemMatcher": {                
                "pattern": {
                    "regexp": "",
                    "file": 1,
                    "location": 2,
                    "severity": 3,
                    "code": 4,
                    "message": 5
                },
                "background": {
                    "activeOnStart": true,
                    "beginsPattern": {
                        "regexp": "Process",
                    },
                    "endsPattern": {
                        "regexp": "Listening on port 2345",
                    }
                }
            }
        },
        {
            "label": "Exit gdbserver",
            "type": "shell",
            "command": "pkill",
            "args": [
                "gdbserver"
            ],
            "options": {
                "cwd": "${workspaceFolder}/host-x86_64-pc-linux-gnu/gcc"
            },
        }
    ]
}