Defined in 5 files as a macro:
- sys/arm/include/pcb.h, line 41 (as a macro)
- sys/arm64/include/pcb.h, line 30 (as a macro)
- sys/mips/include/pcb.h, line 45 (as a macro)
- sys/powerpc/include/pcb.h, line 38 (as a macro)
- sys/riscv/include/pcb.h, line 38 (as a macro)