Section PRESERVATION.
Variable prog: Mach.program.
Variable tprog: Asm.program.
Hypothesis TRANSF: match_prog prog tprog.
Let ge := Genv.globalenv prog.
Let tge := Genv.globalenv tprog.
Proof (Genv.find_symbol_match TRANSF).
Proof (Genv.senv_match TRANSF).
Proof (Genv.find_funct_ptr_transf_partial TRANSF).

Lemma functions_transl:
forall fb f tf,
Genv.find_funct_ptr ge fb = Some (Internal f) ->
transf_function f = OK tf ->
Genv.find_funct_ptr tge fb = Some (Internal tf).