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author | Xavier Leroy <xavier.leroy@inria.fr> | 2014-11-03 17:40:22 +0100 |
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committer | Xavier Leroy <xavier.leroy@inria.fr> | 2014-11-24 17:38:06 +0100 |
commit | ad8c37d0ebb36cb2e54baeacf5a4c7ff145b1a99 (patch) | |
tree | 34c130d8052a83b05f5db755997f7d60a94481e6 /backend/Renumberproof.v | |
parent | 1e29e518e62ad88e9c2e2b180beb07434a07cdd7 (diff) | |
download | compcert-ad8c37d0ebb36cb2e54baeacf5a4c7ff145b1a99.tar.gz compcert-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/Renumberproof.v')
-rw-r--r-- | backend/Renumberproof.v | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/backend/Renumberproof.v b/backend/Renumberproof.v index f18d3c2e..19c3b680 100644 --- a/backend/Renumberproof.v +++ b/backend/Renumberproof.v @@ -47,6 +47,11 @@ Lemma symbols_preserved: Genv.find_symbol tge id = Genv.find_symbol ge id. Proof (@Genv.find_symbol_transf _ _ _ transf_fundef prog). +Lemma public_preserved: + forall id, + Genv.public_symbol tge id = Genv.public_symbol ge id. +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). @@ -194,7 +199,7 @@ 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. constructor; auto. eapply reach_succ; eauto. simpl; auto. (* cond *) econstructor; split. @@ -219,7 +224,7 @@ 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. constructor; auto. (* return *) inv STACKS. inv H1. @@ -251,7 +256,7 @@ Theorem transf_program_correct: forward_simulation (RTL.semantics prog) (RTL.semantics tprog). Proof. eapply forward_simulation_step. - eexact symbols_preserved. + eexact public_preserved. eexact transf_initial_states. eexact transf_final_states. exact step_simulation. |