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| author | Xavier Leroy <xavier.leroy@inria.fr> | 2014-11-03 17:40:22 +0100 |
|---|---|---|
| committer | Xavier Leroy <xavier.leroy@inria.fr> | 2014-11-24 17:38:06 +0100 |
| commit | ad8c37d0ebb36cb2e54baeacf5a4c7ff145b1a99 (patch) | |
| tree | 34c130d8052a83b05f5db755997f7d60a94481e6 /backend/CSEproof.v | |
| parent | 1e29e518e62ad88e9c2e2b180beb07434a07cdd7 (diff) | |
| download | compcert-kvx-ad8c37d0ebb36cb2e54baeacf5a4c7ff145b1a99.tar.gz compcert-kvx-ad8c37d0ebb36cb2e54baeacf5a4c7ff145b1a99.zip | |
Add Genv.public_symbol operation.
Restrict pointer event values to public global names.
Update proofs accordingly. PowerPC and ARM need updating.
Diffstat (limited to 'backend/CSEproof.v')
| -rw-r--r-- | backend/CSEproof.v | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/backend/CSEproof.v b/backend/CSEproof.v index af138f83..ae8052be 100644 --- a/backend/CSEproof.v +++ b/backend/CSEproof.v @@ -818,6 +818,10 @@ Lemma symbols_preserved: forall (s: ident), Genv.find_symbol tge s = Genv.find_symbol ge s. Proof (Genv.find_symbol_transf_partial (transf_fundef rm) prog TRANSF). +Lemma public_preserved: + forall (s: ident), Genv.public_symbol tge s = Genv.public_symbol ge s. +Proof (Genv.public_symbol_transf_partial (transf_fundef rm) prog TRANSF). + Lemma varinfo_preserved: forall b, Genv.find_var_info tge b = Genv.find_var_info ge b. Proof (Genv.find_var_info_transf_partial (transf_fundef rm) prog TRANSF). @@ -1104,7 +1108,7 @@ Proof. econstructor; split. eapply exec_Ibuiltin; eauto. eapply external_call_symbols_preserved; eauto. - exact symbols_preserved. exact varinfo_preserved. + exact symbols_preserved. exact public_preserved. exact varinfo_preserved. econstructor; eauto. eapply analysis_correct_1; eauto. simpl; auto. * unfold transfer; rewrite H. @@ -1188,7 +1192,7 @@ Proof. econstructor; split. eapply exec_function_external; eauto. eapply external_call_symbols_preserved; eauto. - exact symbols_preserved. exact varinfo_preserved. + exact symbols_preserved. exact public_preserved. exact varinfo_preserved. econstructor; eauto. - (* return *) @@ -1227,7 +1231,7 @@ Theorem transf_program_correct: Proof. eapply forward_simulation_step with (match_states := fun s1 s2 => sound_state prog s1 /\ match_states s1 s2). -- eexact symbols_preserved. +- eexact public_preserved. - intros. exploit transf_initial_states; eauto. intros [s2 [A B]]. exists s2. split. auto. split. apply sound_initial; auto. auto. - intros. destruct H. eapply transf_final_states; eauto. |