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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/Stackingproof.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/Stackingproof.v')
| -rw-r--r-- | backend/Stackingproof.v | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/backend/Stackingproof.v b/backend/Stackingproof.v index c25721bc..e3e3a0d0 100644 --- a/backend/Stackingproof.v +++ b/backend/Stackingproof.v @@ -2242,6 +2242,14 @@ Proof. exact TRANSF. Qed. +Lemma public_preserved: + forall id, Genv.public_symbol tge id = Genv.public_symbol ge id. +Proof. + intros. unfold ge, tge. + apply Genv.public_symbol_transf_partial with transf_fundef. + exact TRANSF. +Qed. + Lemma varinfo_preserved: forall b, Genv.find_var_info tge b = Genv.find_var_info ge b. Proof. @@ -2681,7 +2689,7 @@ Proof. econstructor; split. apply plus_one. 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. inversion H; inversion A; subst. eapply match_stack_change_extcall; eauto. @@ -2705,7 +2713,7 @@ Proof. econstructor; split. apply plus_one. 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. inv H; inv A. eapply match_stack_change_extcall; eauto. apply Plt_Ple. change (Mem.valid_block m sp0). eapply agree_valid_linear; eauto. @@ -2813,7 +2821,7 @@ Proof. econstructor; split. apply plus_one. 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. apply match_stacks_change_bounds with (Mem.nextblock m) (Mem.nextblock m'0). inv H0; inv A. eapply match_stack_change_extcall; eauto. apply Ple_refl. apply Ple_refl. @@ -2879,7 +2887,7 @@ Theorem transf_program_correct: Proof. set (ms := fun s s' => wt_state s /\ match_states s s'). eapply forward_simulation_plus with (match_states := ms). -- exact symbols_preserved. +- exact public_preserved. - intros. exploit transf_initial_states; eauto. intros [st2 [A B]]. exists st2; split; auto. split; auto. apply wt_initial_state with (prog := prog); auto. exact wt_prog. |