=> 0x7f7d6fe65d14 <g_rec_mutex_lock+4>:	mov    (%rdi),%rax
   0x7f7d6fe65d17 <g_rec_mutex_lock+7>:	test   %rax,%rax
   0x7f7d6fe65d1a <g_rec_mutex_lock+10>:	je     0x7f7d6fe65d30 <g_rec_mutex_lock+32>
   0x7f7d6fe65d1c <g_rec_mutex_lock+12>:	mov    %rax,%rdi
   0x7f7d6fe65d1f <g_rec_mutex_lock+15>:	add    $0x8,%rsp
   0x7f7d6fe65d23 <g_rec_mutex_lock+19>:	jmpq   0x7f7d6fdfc8d0 <pthread_mutex_lock@plt>
   0x7f7d6fe65d28 <g_rec_mutex_lock+24>:	nopl   0x0(%rax,%rax,1)
   0x7f7d6fe65d30 <g_rec_mutex_lock+32>:	callq  0x7f7d6fdfd368
   0x7f7d6fe65d35 <g_rec_mutex_lock+37>:	add    $0x8,%rsp
   0x7f7d6fe65d39 <g_rec_mutex_lock+41>:	mov    %rax,%rdi
   0x7f7d6fe65d3c <g_rec_mutex_lock+44>:	jmpq   0x7f7d6fdfc8d0 <pthread_mutex_lock@plt>
   0x7f7d6fe65d41:	data32 data32 data32 data32 data32 nopw %cs:0x0(%rax,%rax,1)
   0x7f7d6fe65d50 <g_rec_mutex_unlock>:	mov    (%rdi),%rdi
   0x7f7d6fe65d53 <g_rec_mutex_unlock+3>:	jmpq   0x7f7d6fdfc3b0 <pthread_mutex_unlock@plt>
   0x7f7d6fe65d58:	nopl   0x0(%rax,%rax,1)
   0x7f7d6fe65d60 <g_rec_mutex_trylock>:	sub    $0x8,%rsp