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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/Tailcallproof.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/Tailcallproof.v')
| -rw-r--r-- | backend/Tailcallproof.v | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/backend/Tailcallproof.v b/backend/Tailcallproof.v index cc4ff55e..5ee7ccc1 100644 --- a/backend/Tailcallproof.v +++ b/backend/Tailcallproof.v @@ -241,6 +241,10 @@ Lemma symbols_preserved: forall (s: ident), Genv.find_symbol tge s = Genv.find_symbol ge s. Proof (Genv.find_symbol_transf transf_fundef prog). +Lemma public_preserved: + forall (s: ident), Genv.public_symbol tge s = Genv.public_symbol ge s. +Proof (Genv.public_symbol_transf transf_fundef prog). + Lemma varinfo_preserved: forall b, Genv.find_var_info tge b = Genv.find_var_info ge b. Proof (Genv.find_var_info_transf transf_fundef prog). @@ -506,7 +510,7 @@ Proof. left. exists (State s' (transf_function f) (Vptr sp0 Int.zero) pc' (rs'#res <- v') m'1); 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. apply regset_set; auto. (* cond *) @@ -567,7 +571,7 @@ Proof. left. exists (Returnstate s' res' m2'); split. simpl. econstructor; eauto. eapply external_call_symbols_preserved; eauto. - exact symbols_preserved. exact varinfo_preserved. + exact symbols_preserved. exact public_preserved. exact varinfo_preserved. constructor; auto. (* returnstate *) @@ -616,7 +620,7 @@ Theorem transf_program_correct: forward_simulation (RTL.semantics prog) (RTL.semantics tprog). Proof. eapply forward_simulation_opt with (measure := measure); eauto. - eexact symbols_preserved. + eexact public_preserved. eexact transf_initial_states. eexact transf_final_states. exact transf_step_correct. |