Section PRESERVATION.
Variables prog tprog: program.
Hypothesis TRANSL: match_prog prog tprog.
Let ge := Genv.globalenv prog.
Let tge := Genv.globalenv tprog.
Proof (Genv.find_funct_transf TRANSL).
Proof (Genv.find_funct_ptr_transf TRANSL).
Proof (Genv.find_symbol_transf TRANSL).
Proof (Genv.senv_transf TRANSL).

Lemma sig_preserved:
forall f, funsig (tunnel_fundef f) = funsig f.