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Diffstat (limited to 'common')
| -rw-r--r-- | common/AST.v | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/common/AST.v b/common/AST.v index a91138c9..d98f954a 100644 --- a/common/AST.v +++ b/common/AST.v @@ -193,6 +193,15 @@ Definition chunk_of_type (ty: typ) := Lemma chunk_of_Tptr: chunk_of_type Tptr = Mptr. Proof. unfold Mptr, Tptr; destruct Archi.ptr64; auto. Qed. +(** Trapping mode: does undefined behavior result in a trap or an undefined value (e.g. for loads) *) +Inductive trapping_mode : Type := TRAP | NOTRAP. + +Definition trapping_mode_eq : forall x y : trapping_mode, + { x=y } + { x <> y}. +Proof. + decide equality. +Defined. + (** Initialization data for global variables. *) Inductive init_data: Type := |