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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/CleanupLabelsproof.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/CleanupLabelsproof.v')
| -rw-r--r-- | backend/CleanupLabelsproof.v | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/backend/CleanupLabelsproof.v b/backend/CleanupLabelsproof.v index 65ba61c9..f952f1ea 100644 --- a/backend/CleanupLabelsproof.v +++ b/backend/CleanupLabelsproof.v @@ -43,6 +43,13 @@ Proof. apply Genv.find_symbol_transf. Qed. +Lemma public_preserved: + forall (s: ident), Genv.public_symbol tge s = Genv.public_symbol ge s. +Proof. + intros; unfold ge, tge, tprog, transf_program. + apply Genv.public_symbol_transf. +Qed. + Lemma varinfo_preserved: forall b, Genv.find_var_info tge b = Genv.find_var_info ge b. Proof. @@ -285,12 +292,12 @@ Proof. (* Lbuiltin *) left; econstructor; split. econstructor; eauto. eapply external_call_symbols_preserved'; eauto. - exact symbols_preserved. exact varinfo_preserved. + exact symbols_preserved. exact public_preserved. exact varinfo_preserved. econstructor; eauto with coqlib. (* Lannot *) left; econstructor; split. econstructor; eauto. eapply external_call_symbols_preserved'; eauto. - exact symbols_preserved. exact varinfo_preserved. + exact symbols_preserved. exact public_preserved. exact varinfo_preserved. econstructor; eauto with coqlib. (* Llabel *) case_eq (Labelset.mem lbl (labels_branched_to (fn_code f))); intros. @@ -329,7 +336,7 @@ Proof. (* external function *) left; econstructor; split. econstructor; eauto. eapply external_call_symbols_preserved'; eauto. - exact symbols_preserved. exact varinfo_preserved. + exact symbols_preserved. exact public_preserved. exact varinfo_preserved. econstructor; eauto with coqlib. (* return *) inv H3. inv H1. left; econstructor; split. @@ -362,7 +369,7 @@ Theorem transf_program_correct: forward_simulation (Linear.semantics prog) (Linear.semantics tprog). Proof. eapply forward_simulation_opt. - eexact symbols_preserved. + eexact public_preserved. eexact transf_initial_states. eexact transf_final_states. eexact transf_step_correct. |