https://uogog.github.io/tags/gdb/ Recent content in Gdb on UOG的BLOG Hugo zh-cn Fri, 12 Jun 2026 14:05:24 +0800 https://uogog.github.io/posts/gdb/ Fri, 12 Jun 2026 14:05:24 +0800 https://uogog.github.io/posts/gdb/ <h1 id="gdb用于调试c程序"> gdb用于调试C程序 <a class="heading-link" href="#gdb%e7%94%a8%e4%ba%8e%e8%b0%83%e8%af%95c%e7%a8%8b%e5%ba%8f"> <i class="fa-solid fa-link" aria-hidden="true" title="链接到标题"></i> <span class="sr-only">链接到标题</span> </a> </h1> <p>常用指令</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">gdb &lt;可执行文件&gt; <span class="c1"># 注意这里的可执行文件一定要用 -g参数生成的</span> </span></span><span class="line"><span class="cl">list &lt;number&gt; <span class="c1">#看源文件的</span> </span></span><span class="line"><span class="cl">b <span class="o">[{</span>num<span class="p">|</span>函数名<span class="o">}]</span> <span class="k">if</span> <span class="nv">i</span><span class="o">=</span><span class="m">4</span> <span class="o">&amp;&amp;</span> i!<span class="o">=</span><span class="m">2</span> <span class="c1">#设断点</span> </span></span><span class="line"><span class="cl">r <span class="o">[</span>参数<span class="o">]</span> <span class="c1"># 开始执行</span> </span></span><span class="line"><span class="cl">n <span class="c1"># 下一行</span> </span></span><span class="line"><span class="cl">s <span class="c1"># 进入函数</span> </span></span><span class="line"><span class="cl">p <span class="c1"># 查看变量</span> </span></span><span class="line"><span class="cl">display <span class="c1"># 一直查看变量</span> </span></span><span class="line"><span class="cl">undisplay <span class="c1"># 取消一直查看</span> </span></span><span class="line"><span class="cl">c <span class="c1"># 运行到断点</span> </span></span><span class="line"><span class="cl">q <span class="c1"># 退出</span> </span></span><span class="line"><span class="cl">f <span class="c1"># 跳出函数</span> </span></span><span class="line"><span class="cl"><span class="nb">set</span> args <span class="c1"># 设置参数 和 r 【】 一样效果</span> </span></span><span class="line"><span class="cl">info b <span class="c1"># 看所有断点</span> </span></span><span class="line"><span class="cl">ptype <span class="c1"># 看变量类型</span> </span></span><span class="line"><span class="cl">bt <span class="c1"># 看栈帧</span> </span></span><span class="line"><span class="cl">frame <span class="c1"># 切换栈帧</span> </span></span><span class="line"><span class="cl"><span class="nb">set</span> follow-fork-mode parent </span></span><span class="line"><span class="cl"><span class="nb">set</span> follow-fork-mode child </span></span></code></pre></div>