diff options
Diffstat (limited to 'cfrontend/C2C.ml')
| -rw-r--r-- | cfrontend/C2C.ml | 49 |
1 files changed, 39 insertions, 10 deletions
diff --git a/cfrontend/C2C.ml b/cfrontend/C2C.ml index bc5173ca..75f5eb3e 100644 --- a/cfrontend/C2C.ml +++ b/cfrontend/C2C.ml @@ -46,16 +46,29 @@ let decl_atom : (AST.ident, atom_info) Hashtbl.t = Hashtbl.create 103 let atom_is_static a = try - (Hashtbl.find decl_atom a).a_storage = C.Storage_static + match (Hashtbl.find decl_atom a).a_storage with + | C.Storage_static | C.Storage_thread_local_static -> true + | _ -> false with Not_found -> false let atom_is_extern a = try - (Hashtbl.find decl_atom a).a_storage = C.Storage_extern + match (Hashtbl.find decl_atom a).a_storage with + | C.Storage_extern| C.Storage_thread_local_extern -> true + | _ -> false with Not_found -> false +let atom_is_thread_local a = + try + match (Hashtbl.find decl_atom a).a_storage with + | C.Storage_thread_local_extern| C.Storage_thread_local_static + | C.Storage_thread_local -> true + | _ -> false + with Not_found -> + false + let atom_alignof a = try (Hashtbl.find decl_atom a).a_alignment @@ -168,9 +181,10 @@ let ais_annot_functions = let builtins_generic = { builtin_typedefs = []; builtin_functions = - ais_annot_functions - @ + ais_annot_functions @ [ + "__builtin_expect", + (TInt(ILong, []), [TInt(ILong, []); TInt(ILong, [])], false); (* Integer arithmetic *) "__builtin_bswap64", (TInt(IULongLong, []), [TInt(IULongLong, [])], false); @@ -899,6 +913,14 @@ let rec convertExpr env e = | C.ECompound(ty1, ie) -> unsupported "compound literals"; ezero + | C.ECall({edesc = C.EVar {name = "__builtin_expect"}}, args) -> + (match args with + | [e1; e2] -> + ewrap (Ctyping.ebinop Cop.Oexpect (convertExpr env e1) (convertExpr env e2)) + | _ -> + error "__builtin_expect wants two arguments"; + ezero) + | C.ECall({edesc = C.EVar {name = "__builtin_debug"}}, args) when List.length args < 2 -> error "too few arguments to function call, expected at least 2, have 0"; ezero @@ -1236,7 +1258,8 @@ let convertFundef loc env fd = let vars = List.map (fun (sto, id, ty, init) -> - if sto = Storage_extern || sto = Storage_static then + if sto = Storage_extern || sto = Storage_thread_local_extern + || sto = Storage_static || sto = Storage_thread_local_static then unsupported "'static' or 'extern' local variable"; if init <> None then unsupported "initialized local variable"; @@ -1339,15 +1362,21 @@ let convertGlobvar loc env (sto, id, ty, optinit) = let init' = match optinit with | None -> - if sto = C.Storage_extern then [] else [AST.Init_space sz] + if sto = C.Storage_extern || sto = C.Storage_thread_local_extern + then [] else [AST.Init_space sz] | Some i -> convertInitializer env ty i in let (section, access) = - Sections.for_variable env loc id' ty (optinit <> None) in + Sections.for_variable env loc id' ty (optinit <> None) + (match sto with + | Storage_thread_local | Storage_thread_local_extern + | Storage_thread_local_static -> true + | _ -> false) in if Z.gt sz (Z.of_uint64 0xFFFF_FFFFL) then error "'%s' is too big (%s bytes)" id.name (Z.to_string sz); - if sto <> C.Storage_extern && Cutil.incomplete_type env ty then + if sto <> C.Storage_extern && sto <> C.Storage_thread_local_extern + && Cutil.incomplete_type env ty then error "'%s' has incomplete type" id.name; Hashtbl.add decl_atom id' { a_storage = sto; @@ -1446,7 +1475,7 @@ let cleanupGlobals p = if IdentSet.mem fd.fd_name !strong then error "multiple definitions of %s" fd.fd_name.name; strong := IdentSet.add fd.fd_name !strong - | C.Gdecl(Storage_extern, id, ty, init) -> + | C.Gdecl((Storage_extern|Storage_thread_local_extern), id, ty, init) -> extern := IdentSet.add id !extern | C.Gdecl(sto, id, ty, Some i) -> if IdentSet.mem id !strong then @@ -1465,7 +1494,7 @@ let cleanupGlobals p = match g.gdesc with | C.Gdecl(sto, id, ty, init) -> let better_def_exists = - if sto = Storage_extern then + if sto = Storage_extern || sto = Storage_thread_local_extern then IdentSet.mem id !strong || IdentSet.mem id !weak else if init = None then IdentSet.mem id !strong |