elf文件下载,elf文件格式详解

~ readelf -S test

There are 31 section headers，starting at offset0x19e0:

安全头：

Size EntSize Flags Link Info Align

0000000000000000 0000000000000000 0 0 0

00000000000000000000001 c 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

0000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

0000000000000002400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

00000000000000001 c 000000000000000 a 508

0000000000000006000000000000000000018 a618

000000000000000003 f 000000000000000000000000000000000000001

00000000000000000000000000000000000000000000000000002 a502

0000000000000020000000000000000000000000018

0000000018000000018000000000018 a 50800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

00000000000000030000000000000000000000000000008 ai 5248

00000000000000001 a 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

0000000000000003000000000000000000010 ax 00016

0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

0000000000000001 a 200000000000000000000000 ax 00016

0000000000000000900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

00000000034000000000000000000 a 0040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

0000000000000000 f 4000000000000000000000000000000008

000000000000000000000000000 wa 08000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

00000000000000001 d 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

000000000008 w a00008

000000000000000100000000000000000 wa08

0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

0000000000034000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

000000000000010 c 000000000000001

0000000000000648 0000000000000018 30 47 8

0000000000000215 0000000000000000 0 0 1

Key to Flags:

w(write )、a ) A (alloc )、x ) X (execute )、m ) M (merge )、s(strings )、l ) l (large ) ) )。

I(info )、l(linkorder )、g ) G (group )、t ) TLS )、e ) E (exclude )、x ) x (unknown ) ) )。

扩展处理要求(o ) o (操作系统规范，p )处理器规范(p ) )。