data relocation to !ENDBR

anybody familiar with this error, or how to fix it ? It doesnt seem to break anything (boots,runs fine), but thats not much of a test. [jimc@frodo b0-dd]$ make GEN Makefile CALL ../scripts/checksyscalls.sh DESCEND objtool INSTALL libsubcmd_headers LD vmlinux.o vmlinux.o: warning: objtool: .export_symbol+0x2c1d8: data relocation to !ENDBR: stpcpy+0x0 OBJCOPY modules.builtin.modinfo ... make finishes [jimc@frodo b0-dd]$ nm vmlinux.a | grep s7tpcpy 0000000000000050 r __export_symbol_stpcpy 0000000000000110 T stpcpy 00000000000000b0 d __UNIQUE_ID___addressable_stpcpy9 is it improper to EXPORT_SYMBOL a struct in a __section ?