=> 0x41534440 <pthread_mutex_lock+4>:	ldr	r3, [r0, #12]
   0x41534442 <pthread_mutex_lock+6>:	and.w	r2, r3, #127	; 0x7f
   0x41534446 <pthread_mutex_lock+10>:	ands.w	r3, r3, #124	; 0x7c
   0x4153444a <pthread_mutex_lock+14>:	bne.n	0x41534486 <pthread_mutex_lock+74>
   0x4153444c <pthread_mutex_lock+16>:	mrc	15, 0, r1, cr13, cr0, {3}
   0x41534450 <pthread_mutex_lock+20>:	sub.w	r1, r1, #1216	; 0x4c0
   0x41534454 <pthread_mutex_lock+24>:	ldr	r5, [r1, #104]	; 0x68
   0x41534456 <pthread_mutex_lock+26>:	cmp	r2, #0
   0x41534458 <pthread_mutex_lock+28>:	bne.n	0x415344ae <pthread_mutex_lock+114>
   0x4153445a <pthread_mutex_lock+30>:	dmb	sy
   0x4153445e <pthread_mutex_lock+34>:	movs	r2, #1
   0x41534460 <pthread_mutex_lock+36>:	ldrex	r3, [r4]
   0x41534464 <pthread_mutex_lock+40>:	cmp	r3, #0
   0x41534466 <pthread_mutex_lock+42>:	bne.n	0x41534470 <pthread_mutex_lock+52>
   0x41534468 <pthread_mutex_lock+44>:	strex	r0, r2, [r4]
   0x4153446c <pthread_mutex_lock+48>:	cmp	r0, #0