Summary:
- This commit enables nuttx thread debugging without openocd-nuttx
- To use this script, gdb must support python
- To show all thread, use 'info_nxthreads'
- To switch thread, use 'nxthread pid'
- To continue, use 'nxcontinue'
Impact:
- No impact
Testing:
- Tested with spresense (Cortex-M4F), sim (x86_64), lm3s6965-ek (Cortex-M3)
- Tested with GNU Tools for Arm Embedded Processors 9-2019-q4-major
- Tested with GNU gdb (Ubuntu 8.1-0ubuntu3.2) 8.1.0.20180409-git
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
