1. 读 elf 文件开始的文件头部

[arm@localhost
gcc]$ arm­linux­readelf ­h hello ELF Header:

Magic:   7f 45 4c 46 01 01 01 61 00 00 00 00 00 00 00
00

Class:                                         ELF32

Data:                                         2's
complement, little endian

Version:                                    1 (current)

OS/ABI:                                    ARM

ABI Version:                            0

Type:                                         EXEC
(Executable file)

Machine:                                   ARM

Version:                                     0x1

Entry point address:                0x82b4

Start of program headers:     52
(bytes into file) Start of section
headers:                                                    10240
(bytes into file) Flags:  0x2, has entry point

Size of
this header:                  52 (bytes) Size of program headers: 32 (bytes) Number
of program headers: 6

Size of section headers:           40 (bytes) Number
of section headers:                                      28

Section header
string table index: 25

2. 读 elf 文件中所有 ELF 的头部: [arm@localhost gcc]#arm­linux­readelf ­e hello

……

3. 显示整个文件的符号表

[arm@localhost
gcc]#arm­linux­readelf ­s hello

……

4. 显示使用的动态库

[arm@localhost
gcc]#arm­linux­readelf ­d hello

……