=> 0x7f2ba2a9d4c7 <chdir+7>:	cmp    $0xfffffffffffff001,%rax
   0x7f2ba2a9d4cd <chdir+13>:	jae    0x7f2ba2a9d4d0 <chdir+16>
   0x7f2ba2a9d4cf <chdir+15>:	retq   
   0x7f2ba2a9d4d0 <chdir+16>:	mov    0x2c89a1(%rip),%rcx        # 0x7f2ba2d65e78
   0x7f2ba2a9d4d7 <chdir+23>:	neg    %eax
   0x7f2ba2a9d4d9 <chdir+25>:	mov    %eax,%fs:(%rcx)
   0x7f2ba2a9d4dc <chdir+28>:	or     $0xffffffffffffffff,%rax
   0x7f2ba2a9d4e0 <chdir+32>:	retq   
   0x7f2ba2a9d4e1:	nopw   %cs:0x0(%rax,%rax,1)
   0x7f2ba2a9d4eb:	nopl   0x0(%rax,%rax,1)
   0x7f2ba2a9d4f0 <fchdir>:	mov    $0x51,%eax
   0x7f2ba2a9d4f5 <fchdir+5>:	syscall 
   0x7f2ba2a9d4f7 <fchdir+7>:	cmp    $0xfffffffffffff001,%rax
   0x7f2ba2a9d4fd <fchdir+13>:	jae    0x7f2ba2a9d500 <fchdir+16>
   0x7f2ba2a9d4ff <fchdir+15>:	retq   
   0x7f2ba2a9d500 <fchdir+16>:	mov    0x2c8971(%rip),%rcx        # 0x7f2ba2d65e78