HPCC-10639 Implement stack/heap/EH dump in jexcept for ARM

Add implementation for ARM CPU and Linux OS only.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
HPCC-10639 Implement stack/heap/EH dump in jexcept for ARM

Update after review.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
Merge pull request #5382 from AttilaVamos/HPCC-10639-improvement

HPCC-10639 Implement stack/heap/EH dump in jexcept for ARM

Reviewed-By: Renato Golin <rengolin@systemcall.org>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>