[U-Boot] Problem with -pie flag.

Hi,

I have a global variable problem with u-boot when i enabled with '-pie' flag during linking time. In the interrupt handler i set the global variable to 1 initially is set to 0 but i am not able to see the updated global variable after return from interrupt handler. But it is happen when i disabled the '-pie' flag. I have one more question on -pie flag. That is '-pie' flag produces the relative symbols for u-boot relocation support. Though i disabled the -pie flag i am able to relocate the code to the newer location successfully how it is possible.

Note: I also checked with different tool chains of arm-none-eabi-

Thanks balaji