zmk/app/include/linker/zmk-linker-defs.h

#define→EVENT_TYPE_SECTIONS()→  →       →       →       \
→       →       __event_type_start = .;→      →       \
→       →       KEEP(*(".event_type_*"));→    →       \
→       →       __event_type_end = .;→→       →       \