V2EX readelf

Readelf

释义 Definition

readelf:Linux/Unix 下的命令行工具,用于读取并显示 ELF(Executable and Linkable Format,可执行与可链接格式) 文件的信息,如文件头、节区(sections)、段(segments)、符号表、动态链接信息等;常用于调试、逆向分析与构建/链接排错。

发音 Pronunciation (IPA)

/rid.lf/

例句 Examples

I used readelf to check whether the binary is 64-bit.
我用 readelf 检查这个二进制文件是不是 64 位的。

When the program failed to start, we ran readelf -d on the executable to inspect its dynamic dependencies and confirm which shared libraries it was trying to load.
当程序无法启动时,我们对可执行文件运行 readelf -d 来检查动态依赖关系,确认它试图加载哪些共享库。

词源 Etymology

readelfread(读取) + ELF 组成,字面意思是“读取 ELF 文件”。ELF 是类 Unix 系统中常见的二进制文件格式,readelf 主要用于把其中的结构化信息“读出来并展示”。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • The Linux Programming Interface(Michael Kerrisk):在讲解可执行文件、链接与动态装载相关内容时常与 ELF 工具(如 readelf)并列提及。
  • Linux From Scratch:在构建工具链与排查链接问题时,常推荐使用 readelf/objdump 等工具检查二进制与动态链接信息。
  • Linux 手册页 man readelf(binutils 文档的一部分):权威参考来源,系统说明 readelf 的选项与输出含义。
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