/ldso/ldso/or1k/dl-sysdep.h :

#define elf_machine_type_class(type) \
  (((type) == R_OR1K_JMP_SLOT || (type) == R_OR1K_TLS_DTPMOD || \
   (type) == R_OR1K_TLS_DTPOFF || \
   (type) == R_OR1K_TLS_TPOFF) * ELF_RTYPE_CLASS_PLT \
   | ((type) == R_OR1K_COPY) * ELF_RTYPE_CLASS_COPY)