View the so file, readelf_PHP tutorial

Sometimes you need to view the so file,

Under Linux, directly readelf -a xxx.so displays information in elf format, and controls the display of specific information through parameters

readelf -d filename.so View the shared library’s dependencies and search names

readelf -h filename.so displays elf header information

[php]

rainysia@root:/usr/lib/php5/20090626# readelf -a odbc.so | more

ELF Header:

Magic: 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00

Class:                                                                                                                  

Data:                             2's complement, little endian                                      

Version:                     1 (current) 

OS/ABI:                                                                                                                                                                                                                                                                                

ABI Version:               0

Type:                             DYN (Shared object file)                                             

Machine:                                         Advanced Micro Devices X86-64                        

Version:                                0x1                             

Entry point address: 0x4940

Start of program headers: 64 (bytes into file)

Start of section headers: 65976 (bytes into file)

Flags:                                        0x0                     

Size of this header:                                                 64 (bytes)

Size of program headers: 56 (bytes)

Number of program headers: 7

Size of section headers: 64 (bytes)

Number of section headers: 27

Section header string table index: 26

Section Headers:

[Nr] Name Type Address Address Offset

http://www.bkjia.com/PHPjc/477739.html

www.bkjia.com

true

http: //www.bkjia.com/PHPjc/477739.html

TechArticleSometimes you need to view the so file. Under Linux, directly readelf -a xxx.so displays the information in elf format through parameters. To control the display of specific information readelf -d filename.so View the library and search of the shared library...