ARM Breakpoint Kinds (Debugging with GDB)

From Get docs
Gdb/docs/latest/gdb/ARM-Breakpoint-Kinds


E.5.1.1 ARM Breakpoint Kinds

These breakpoint kinds are defined for the ‘Z0’ and ‘Z1’ packets.

2
16-bit Thumb mode breakpoint.
3
32-bit Thumb mode (Thumb-2) breakpoint.
4
32-bit ARM mode breakpoint.