From ad8c37d0ebb36cb2e54baeacf5a4c7ff145b1a99 Mon Sep 17 00:00:00 2001 From: Xavier Leroy Date: Mon, 3 Nov 2014 17:40:22 +0100 Subject: Add Genv.public_symbol operation. Restrict pointer event values to public global names. Update proofs accordingly. PowerPC and ARM need updating. --- cfrontend/Cshmgenproof.v | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'cfrontend/Cshmgenproof.v') diff --git a/cfrontend/Cshmgenproof.v b/cfrontend/Cshmgenproof.v index fdf5b06d..9cb112b0 100644 --- a/cfrontend/Cshmgenproof.v +++ b/cfrontend/Cshmgenproof.v @@ -743,6 +743,10 @@ Lemma symbols_preserved: forall s, Genv.find_symbol tge s = Genv.find_symbol ge s. Proof (Genv.find_symbol_transf_partial2 transl_fundef transl_globvar _ TRANSL). +Lemma public_preserved: + forall s, Genv.public_symbol tge s = Genv.public_symbol ge s. +Proof (Genv.public_symbol_transf_partial2 transl_fundef transl_globvar _ TRANSL). + Lemma functions_translated: forall v f, Genv.find_funct ge v = Some f -> @@ -1285,7 +1289,7 @@ Proof. apply plus_one. econstructor. eapply transl_arglist_correct; eauto. eapply external_call_symbols_preserved_2; eauto. - exact symbols_preserved. + exact symbols_preserved. exact public_preserved. eexact (Genv.find_var_info_transf_partial2 transl_fundef transl_globvar _ TRANSL). eexact (Genv.find_var_info_rev_transf_partial2 transl_fundef transl_globvar _ TRANSL). eapply match_states_skip; eauto. @@ -1466,7 +1470,7 @@ Proof. econstructor; split. apply plus_one. constructor. eauto. eapply external_call_symbols_preserved_2; eauto. - exact symbols_preserved. + exact symbols_preserved. exact public_preserved. eexact (Genv.find_var_info_transf_partial2 transl_fundef transl_globvar _ TRANSL). eexact (Genv.find_var_info_rev_transf_partial2 transl_fundef transl_globvar _ TRANSL). econstructor; eauto. @@ -1506,7 +1510,7 @@ Theorem transl_program_correct: forward_simulation (Clight.semantics2 prog) (Csharpminor.semantics tprog). Proof. eapply forward_simulation_plus. - eexact symbols_preserved. + eexact public_preserved. eexact transl_initial_states. eexact transl_final_states. eexact transl_step. -- cgit