=> 0x7f799db3ca75 : cmp $0xfffffffffffff000,%rax 0x7f799db3ca7b : ja 0x7f799db3ca92 0x7f799db3ca7d : repz retq 0x7f799db3ca7f : nop 0x7f799db3ca80 : test %eax,%eax 0x7f799db3ca82 : jg 0x7f799db3ca65 0x7f799db3ca84 : test $0x7fffffff,%eax 0x7f799db3ca89 : jne 0x7f799db3caa2 0x7f799db3ca8b : mov %esi,%eax 0x7f799db3ca8d : nopl (%rax) 0x7f799db3ca90 : jmp 0x7f799db3ca65 0x7f799db3ca92 : mov 0x3484ff(%rip),%rdx # 0x7f799de84f98 0x7f799db3ca99 : neg %eax 0x7f799db3ca9b : mov %eax,%fs:(%rdx) 0x7f799db3ca9e : or $0xffffffffffffffff,%eax 0x7f799db3caa1 : retq