=> 0x7fa895a6020b <raise+43>:	cmp    $0xfffffffffffff000,%rax
   0x7fa895a60211 <raise+49>:	ja     0x7fa895a60215 <raise+53>
   0x7fa895a60213 <raise+51>:	repz retq 
   0x7fa895a60215 <raise+53>:	mov    0x208d6c(%rip),%rdx        # 0x7fa895c68f88
   0x7fa895a6021c <raise+60>:	neg    %eax
   0x7fa895a6021e <raise+62>:	mov    %eax,%fs:(%rdx)
   0x7fa895a60221 <raise+65>:	or     $0xffffffffffffffff,%rax
   0x7fa895a60225 <raise+69>:	retq   
   0x7fa895a60226:	nopw   %cs:0x0(%rax,%rax,1)
   0x7fa895a60230 <system>:	jmpq   0x7fa895a55620 <__libc_system@plt>
   0x7fa895a60235:	nopw   %cs:0x0(%rax,%rax,1)
   0x7fa895a6023f:	nop
   0x7fa895a60240 <__flockfile>:	mov    0x88(%rdi),%rdx
   0x7fa895a60247 <__flockfile+7>:	mov    %rdi,%r9
   0x7fa895a6024a <__flockfile+10>:	mov    %fs:0x10,%r8
   0x7fa895a60253 <__flockfile+19>:	cmp    0x8(%rdx),%r8