1 #source: ibt-plt-3.s 2 #as: --32 3 #ld: -shared -m elf_i386 -z ibtplt --hash-style=sysv -z noseparate-code 4 #objdump: -dw 5 6 .*: +file format .* 7 8 9 Disassembly of section .plt: 10 11 0+140 <.plt>: 12 +[a-f0-9]+: ff b3 04 00 00 00 push 0x4\(%ebx\) 13 +[a-f0-9]+: ff a3 08 00 00 00 jmp \*0x8\(%ebx\) 14 +[a-f0-9]+: 0f 1f 40 00 nopl 0x0\(%eax\) 15 +[a-f0-9]+: f3 0f 1e fb endbr32 16 +[a-f0-9]+: 68 00 00 00 00 push \$0x0 17 +[a-f0-9]+: e9 e2 ff ff ff jmp 140 <.plt> 18 +[a-f0-9]+: 66 90 xchg %ax,%ax 19 +[a-f0-9]+: f3 0f 1e fb endbr32 20 +[a-f0-9]+: 68 08 00 00 00 push \$0x8 21 +[a-f0-9]+: e9 d2 ff ff ff jmp 140 <.plt> 22 +[a-f0-9]+: 66 90 xchg %ax,%ax 23 24 Disassembly of section .plt.sec: 25 26 0+170 <bar1@plt>: 27 +[a-f0-9]+: f3 0f 1e fb endbr32 28 +[a-f0-9]+: ff a3 0c 00 00 00 jmp \*0xc\(%ebx\) 29 +[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%eax,%eax,1\) 30 31 0+180 <bar2@plt>: 32 +[a-f0-9]+: f3 0f 1e fb endbr32 33 +[a-f0-9]+: ff a3 10 00 00 00 jmp \*0x10\(%ebx\) 34 +[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%eax,%eax,1\) 35 36 Disassembly of section .text: 37 38 0+190 <foo>: 39 +[a-f0-9]+: 53 push %ebx 40 +[a-f0-9]+: e8 18 00 00 00 call 1ae <__x86.get_pc_thunk.bx> 41 +[a-f0-9]+: 81 c3 1a 11 00 00 add \$0x111a,%ebx 42 +[a-f0-9]+: 83 ec 08 sub \$0x8,%esp 43 +[a-f0-9]+: e8 dc ff ff ff call 180 <bar2@plt> 44 +[a-f0-9]+: e8 c7 ff ff ff call 170 <bar1@plt> 45 +[a-f0-9]+: 83 c4 08 add \$0x8,%esp 46 +[a-f0-9]+: 5b pop %ebx 47 +[a-f0-9]+: c3 ret 48 49 0+1ae <__x86.get_pc_thunk.bx>: 50 +[a-f0-9]+: 8b 1c 24 mov \(%esp\),%ebx 51 +[a-f0-9]+: c3 ret 52 #pass 53