The ARM Linker can work around the possible issue on an ARM1176JZ-S
or ARM1176JZF-S, where a
BLX (immediate) instruction
might corrupt the instruction stream. If your software is likely
to run on an ARM1176JZ-S or ARM1176JZF-S, see the ARM1176JZ-S™ and ARM1176JZF-S™ Programmers Advice
Notice Use of BLX (immediate) for more details.
If you decide to apply the workaround, you must use the linker