Here are the line counts:

    rust-rpico2-embassy-examples $ tokei .                    
    ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     Language              Files        Lines         Code     Comments       Blanks
    ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     Alex                      2          330          280            0           50
     Shell                     1           25           13            3            9
     TOML                      2           76           58            7           11
    ─────────────────────────────────────────────────────────────────────────────────
     Markdown                  1          254            0          181           73
     |- BASH                   1            8            8            0            0
     |- Shell                  1            1            1            0            0
     (Total)                              263            9          181           73
    ─────────────────────────────────────────────────────────────────────────────────
     Rust                     10         1256          937           86          233
     |- Markdown              10          340            8          263           69
     (Total)                             1596          945          349          302
    ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     Total                    16         2290         1305          540          445
    ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

I guess "Alex" would be the linker scripts ending in .x?