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知乎专栏多维度架构

30.10. readelf - Displays information about ELF files.

显示有关 ELF (Executable and Linkable File Format 可执行和可链接文件格式) 文件的信息。

		
[root@localhost ~]# readelf -h /bin/ls
ELF Header:
  Magic:   7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 
  Class:                             ELF64
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              DYN (Shared object file)
  Machine:                           Advanced Micro Devices X86-64
  Version:                           0x1
  Entry point address:               0x5e00
  Start of program headers:          64 (bytes into file)
  Start of section headers:          265016 (bytes into file)
  Flags:                             0x0
  Size of this header:               64 (bytes)
  Size of program headers:           56 (bytes)
  Number of program headers:         10
  Size of section headers:           64 (bytes)
  Number of section headers:         31
  Section header string table index: 30