arm assembly doubt

[Surenkumar Nihalani]

Hi,
On Feb 15, 2012, at 11:30 PM, subin gangadharan wrote:

> Hi ,
> 
> I am trying to understand how system call is implmented in linux for
> arm.And I am not that familiar with arm assembly.
> 
> Could any body please help me to understand what exactly this ^ does
> in this instruction stmdb r8,{sp,lr}^
> 
> -- 
> With Regards
> Subin Gangadharan
> 
> I am not afraid and I am also not afraid of being afraid.
> 
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Example:
	LDFMD sp!, {r0-r12, pc}^
- The ^ qualifier specifies that the CPSR is restored from the SPSR. 
   It must be used only from a privileged mode.