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authorXavier Leroy <xavier.leroy@inria.fr>2014-11-03 17:40:22 +0100
committerXavier Leroy <xavier.leroy@inria.fr>2014-11-24 17:38:06 +0100
commitad8c37d0ebb36cb2e54baeacf5a4c7ff145b1a99 (patch)
tree34c130d8052a83b05f5db755997f7d60a94481e6 /cfrontend/SimplLocalsproof.v
parent1e29e518e62ad88e9c2e2b180beb07434a07cdd7 (diff)
downloadcompcert-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 'cfrontend/SimplLocalsproof.v')
-rw-r--r--cfrontend/SimplLocalsproof.v12
1 files changed, 9 insertions, 3 deletions
diff --git a/cfrontend/SimplLocalsproof.v b/cfrontend/SimplLocalsproof.v
index 67a7e626..15d0af06 100644
--- a/cfrontend/SimplLocalsproof.v
+++ b/cfrontend/SimplLocalsproof.v
@@ -48,6 +48,12 @@ Proof.
exact (Genv.find_symbol_transf_partial _ _ TRANSF).
Qed.
+Lemma public_preserved:
+ forall (s: ident), Genv.public_symbol tge s = Genv.public_symbol ge s.
+Proof.
+ exact (Genv.public_symbol_transf_partial _ _ TRANSF).
+Qed.
+
Lemma varinfo_preserved:
forall b, Genv.find_var_info tge b = Genv.find_var_info ge b.
Proof.
@@ -2031,7 +2037,7 @@ Proof.
intros [j' [tvres [tm' [P [Q [R [S [T [U V]]]]]]]]].
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 compat.
eapply match_envs_set_opttemp; eauto.
eapply match_envs_extcall; eauto.
@@ -2187,7 +2193,7 @@ Proof.
intros [j' [tvres [tm' [P [Q [R [S [T [U V]]]]]]]]].
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.
intros. apply match_cont_incr_bounds with (Mem.nextblock m) (Mem.nextblock tm).
eapply match_cont_extcall; eauto. xomega. xomega.
@@ -2242,7 +2248,7 @@ Theorem transf_program_correct:
forward_simulation (semantics1 prog) (semantics2 tprog).
Proof.
eapply forward_simulation_plus.
- eexact symbols_preserved.
+ eexact public_preserved.
eexact initial_states_simulation.
eexact final_states_simulation.
eexact step_simulation.