kernel/kallsyms_internal.h

kernel/kallsyms_internal.h declares some variables related to kallsyms as extern:

• kallsyms_addresses[]
• kallsyms_offsets[]
• kallsyms_names[]
• kallsyms_num_syms
• kallsyms_relative_base
• kallsyms_token_table[]
• kallsyms_token_index[]
• kallsyms_markers[]
• kallsyms_seqs_of_names[]

With the exception of kallsyms_addresses, the actual values for these symbols is provided by .tmp_vmlinux.kallsyms2.S.