#source: ibt-plt-2.s #as: --32 #ld: -shared -m elf_i386 -z ibt --hash-style=sysv -z noseparate-code #objdump: -dw .*: +file format .* Disassembly of section .plt: [a-f0-9]+ <.plt>: +[a-f0-9]+: ff b3 04 00 00 00 push 0x4\(%ebx\) +[a-f0-9]+: ff a3 08 00 00 00 jmp \*0x8\(%ebx\) +[a-f0-9]+: 0f 1f 40 00 nopl 0x0\(%eax\) +[a-f0-9]+: f3 0f 1e fb endbr32 +[a-f0-9]+: 68 00 00 00 00 push \$0x0 +[a-f0-9]+: e9 e2 ff ff ff jmp [a-f0-9]+ <.plt> +[a-f0-9]+: 66 90 xchg %ax,%ax +[a-f0-9]+: f3 0f 1e fb endbr32 +[a-f0-9]+: 68 08 00 00 00 push \$0x8 +[a-f0-9]+: e9 d2 ff ff ff jmp [a-f0-9]+ <.plt> +[a-f0-9]+: 66 90 xchg %ax,%ax Disassembly of section .plt.sec: [a-f0-9]+ <bar1@plt>: +[a-f0-9]+: f3 0f 1e fb endbr32 +[a-f0-9]+: ff a3 0c 00 00 00 jmp \*0xc\(%ebx\) +[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%eax,%eax,1\) [a-f0-9]+ <bar2@plt>: +[a-f0-9]+: f3 0f 1e fb endbr32 +[a-f0-9]+: ff a3 10 00 00 00 jmp \*0x10\(%ebx\) +[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%eax,%eax,1\) Disassembly of section .text: [a-f0-9]+ <foo>: +[a-f0-9]+: 53 push %ebx +[a-f0-9]+: e8 18 00 00 00 call [0-9a-f]+ <__x86.get_pc_thunk.bx> +[a-f0-9]+: 81 c3 ([0-9a-f]{2} ){4}[ ]+add \$0x[a-f0-9]+,%ebx +[a-f0-9]+: 83 ec 08 sub \$0x8,%esp +[a-f0-9]+: e8 dc ff ff ff call [a-f0-9]+ <bar2@plt> +[a-f0-9]+: e8 c7 ff ff ff call [a-f0-9]+ <bar1@plt> +[a-f0-9]+: 83 c4 08 add \$0x8,%esp +[a-f0-9]+: 5b pop %ebx +[a-f0-9]+: c3 ret [a-f0-9]+ <__x86.get_pc_thunk.bx>: +[a-f0-9]+: 8b 1c 24 mov \(%esp\),%ebx +[a-f0-9]+: c3 ret #pass |