V2EX dynamic linking

Dynamic Linking

定义 Definition

动态链接:一种在程序运行时(而不是在编译/链接阶段)把所需的库代码与可执行文件“连接”起来的机制,常用于使用共享库(如 Linux 的 .so、Windows 的 .dll)以减少重复代码、便于更新与节省内存。(该术语在不同系统上实现细节略有差异。)

例句 Examples

Dynamic linking lets multiple programs share the same library.
动态链接让多个程序可以共享同一个库。

Because the plugin is loaded on demand, the application relies on dynamic linking to resolve symbols at runtime.
由于插件是按需加载的,该应用依赖动态链接在运行时解析符号。

发音 Pronunciation (IPA)

/danmk lk/

词源 Etymology

dynamic 来自希腊语 dynamis(“力量、动力”),引申为“变化的、运行中的”;linking 源自 link(“连接”)。合在一起表示“在运行过程中进行连接”,对应“静态链接(static linking)”在构建阶段完成连接的做法。

相关词 Related Words

文学与著作 Literary Works

  • Computer Systems: A Programmer’s Perspective(Bryant & O’Hallaron)在程序链接与加载章节中讨论动态链接与共享库机制。
  • Advanced Programming in the UNIX Environment(W. Richard Stevens 等)涉及 UNIX/Linux 下动态库、加载与相关编程接口。
  • The Linux Programming Interface(Michael Kerrisk)在 ELF、动态链接器与运行时加载相关内容中多次出现该术语。
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