Problem with trap 0x07

[Sebastian Huber]

On 03/15/2013 02:30 PM, Nicolás Alvarez wrote:
> Hi all, I`m having a strange problem with OOP. I create a int attribute in a
> class, and when I try to read o write it in any method (except in the
> contructor) a 0x07 trap occur:
>
> Unexpected trap (0x07) at address 0x400016C8
> memory address not aligned
>
> IU in error mode (tt = 0x07)
>   400016c8  c4206004   st  %g2, [%g1 + 0x4]
>
> Anyone knows why this is happening?

The SPARC processor can only load and store data if it is properly aligned, 
e.g. an int value must be on a 4-byte aligned address.

Do you have a code example that leads to this error?

-- 
Sebastian Huber, embedded brains GmbH

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