=> 0x7ffe4c4545b0 <fm_nav_history_get_cur>:	mov    0x30(%rdi),%rax
   0x7ffe4c4545b4 <fm_nav_history_get_cur+4>:	test   %rax,%rax
   0x7ffe4c4545b7 <fm_nav_history_get_cur+7>:	je     0x7ffe4c4545c0 <fm_nav_history_get_cur+16>
   0x7ffe4c4545b9 <fm_nav_history_get_cur+9>:	mov    (%rax),%rax
   0x7ffe4c4545bc <fm_nav_history_get_cur+12>:	retq   
   0x7ffe4c4545bd <fm_nav_history_get_cur+13>:	nopl   (%rax)
   0x7ffe4c4545c0 <fm_nav_history_get_cur+16>:	xor    %eax,%eax
   0x7ffe4c4545c2 <fm_nav_history_get_cur+18>:	retq   
   0x7ffe4c4545c3:	data32 data32 data32 nopw %cs:0x0(%rax,%rax,1)
   0x7ffe4c4545d0 <fm_nav_history_get_cur_link>:	mov    0x30(%rdi),%rax
   0x7ffe4c4545d4 <fm_nav_history_get_cur_link+4>:	retq   
   0x7ffe4c4545d5:	data32 nopw %cs:0x0(%rax,%rax,1)
   0x7ffe4c4545e0 <fm_nav_history_get_can_forward>:	mov    0x30(%rdi),%rdx
   0x7ffe4c4545e4 <fm_nav_history_get_can_forward+4>:	xor    %eax,%eax
   0x7ffe4c4545e6 <fm_nav_history_get_can_forward+6>:	test   %rdx,%rdx
   0x7ffe4c4545e9 <fm_nav_history_get_can_forward+9>:	je     0x7ffe4c4545f5 <fm_nav_history_get_can_forward+21>