vscode附着调试

caz282024-08-26 15:37

我有一个程序，是别的程序调用启动的，所以需要等它的进程启动后，再附着上去调试。

编写Launch.json:

bash 复制代码

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "(gdb) Launch",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceFolder}/cmakeBuild/build/bin/abc",
            "args": [],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}/cmakeBuild/build/bin",
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "preLaunchTask": "",
            "setupCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": false
                },
                {
                    "description": "Set Disassembly Flavor to Intel",
                    "text": "-gdb-set disassembly-flavor intel",
                    "ignoreFailures": true
                }
            ],
            "envFile": "${workspaceFolder}/.env"
        },
        {
            "name":"(gdb) Attach",
            "type": "cppdbg",
            "request": "attach"
            "processId":"${command:pickProcess}",
            "program": "${workspaceRoot}/cmakeBuild/build/bin/abc",
            "MIMode": "gdb",
            "setupCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": false
                },
                {
                    "description": "Set Disassembly Flavor to Intel",
                    "text": "-gdb-set disassembly-flavor intel",
                    "ignoreFailures": true
                }
            ]
        }
    ]
}

调试时，选(gdb) Attach,等要调试的进程启动了，按F5，会跳出选择进程的窗口，选择要附加的进程，附加后，就可以调试了，以前设置的断点，也会被捕捉中断。

有时候，我们要调试的是在进程启动时的代码，等我们附着上后，设置的断点已经运行过去了。这时候可以在进程启动的地方，加延时，方便附着。

cpp 复制代码

int loop = 0；
while(loop <20)
{
    sleep(1);
    ++loop;
}

这个要加在初始化代码后面，不要影响初始化。会sleep 20秒，附着上后，暂停，修改loop大于20，就退出循环了，往后走了。vscode里，有时候loop会修改不了，就等它自己超过20退出吧。