From 7999c9ee1f09f7d555e3efc39f030564f76a3354 Mon Sep 17 00:00:00 2001 From: xleroy Date: Mon, 10 May 2010 15:35:02 +0000 Subject: - Extended traces so that pointers within globals are supported as event values. - Revised handling of volatile reads: the execution environment dictates the value read, via the trace of events. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1345 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e --- powerpc/Asmgenproof.v | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'powerpc/Asmgenproof.v') diff --git a/powerpc/Asmgenproof.v b/powerpc/Asmgenproof.v index 5be47347..6a484517 100644 --- a/powerpc/Asmgenproof.v +++ b/powerpc/Asmgenproof.v @@ -1335,7 +1335,7 @@ Lemma exec_function_external_prop: (m : mem) (t0 : trace) (ms' : RegEq.t -> val) (ef : external_function) (args : list val) (res : val) (m': mem), Genv.find_funct_ptr ge fb = Some (External ef) -> - external_call ef args m t0 res m' -> + external_call ef (Genv.find_symbol ge) args m t0 res m' -> Machconcr.extcall_arguments ms m (parent_sp s) (ef_sig ef) args -> ms' = Regmap.set (Conventions.loc_result (ef_sig ef)) res ms -> exec_instr_prop (Machconcr.Callstate s fb ms m) @@ -1347,6 +1347,7 @@ Proof. left; exists (State (rs#(loc_external_result (ef_sig ef)) <- res #PC <- (rs LR)) m'); split. apply plus_one. eapply exec_step_external; eauto. + eapply external_call_symbols_preserved; eauto. exact symbols_preserved. eapply extcall_arguments_match; eauto. econstructor; eauto. unfold loc_external_result. auto with ppcgen. -- cgit