reloc_rel
((Elf32_Rela *)reloc_rel(reloc))->field : \
((Elf64_Rela *)reloc_rel(reloc))->field; \
((Elf32_Rela *)reloc_rel(reloc))->field = val; \
((Elf64_Rela *)reloc_rel(reloc))->field = val; \