0x7f121bac6fab <raise+43>:	cmp    $0xfffffffffffff000,%rax
0x7f121bac6fb1 <raise+49>:	mov    %eax,%edx
0x7f121bac6fb3 <raise+51>:	ja     0x7f121bac6fb8 <raise+56>
0x7f121bac6fb5 <raise+53>:	mov    %edx,%eax
0x7f121bac6fb7 <raise+55>:	retq   
0x7f121bac6fb8 <raise+56>:	mov    %eax,%edx
0x7f121bac6fba <raise+58>:	
    mov    0x207fdf(%rip),%rax        # 0x7f121bccefa0
0x7f121bac6fc1 <raise+65>:	neg    %edx
0x7f121bac6fc3 <raise+67>:	mov    %edx,%fs:(%rax)
0x7f121bac6fc6 <raise+70>:	mov    $0xffffffff,%edx
0x7f121bac6fcb <raise+75>:	jmp    0x7f121bac6fb5 <raise+53>
0x7f121bac6fcd:	nop    
0x7f121bac6fce:	nop    
0x7f121bac6fcf:	nop    
0x7f121bac6fd0 <system>:	jmpq   0x7f121babce98 <__libc_system@plt>
0x7f121bac6fd5:	nop