Provide a customizable hook for handling target-specific GDB queries Valgrind-clean, no new Clang analyzer warnings Signed-off-by: Ian Thompson <ianst@cadence.com> Change-Id: I684a259ed29f3651cbce668101cff421e522f79e Reviewed-on: https://review.openocd.org/c/openocd/+/7082 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>