class.c (build_vtbl_initializer): Make __cxa_deleted_virtual ECF_NORETURN | ECF_LEAF
* class.c (build_vtbl_initializer): Make __cxa_deleted_virtual ECF_NORETURN | ECF_LEAF * cp-tree.h (build_library_fn_ptr, build_cp_library_fn_ptr, push_library_fn, push_void_library_fn): Update prototype. * decl.c (build_library_fn_1): Remove. (push_cp_library_fn, build_cp_library_fn): Update to take ECF flags. (cxx_init_decl_processing): Update; global_delete_fndecl is ECF_NOTROW; __cxa_pure_virtual is ECF_NORETURN | ECF_NORETURN | ECF_LEAF. (build_library_fn_1): Add ecf_flags argument; rename to ... (build_library_fn): ... this one. (build_cp_library_fn): Take ecf_flags; do not copy NOTHROW flag. (build_library_fn_ptr): Take ecf_flags. (build_cp_library_fn_ptr): Likewise. (push_library_fn): Likewise. (push_cp_library_fn): Likewise. (push_void_library_fn): Likewise. (push_throw_library_fn): All throws are ECF_NORETURN. (__cxa_atexit, __cxa_thread_atexit): Add ECF_LEAF | ECF_NOTHROW attributes. (expand_static_init): __cxa_guard_acquire, __cxa_guard_release, __cxa_guard_abort are ECF_NOTHROW | ECF_LEAF. * except.c (init_exception_processing): terminate is ECF_NOTHROW | ECF_NORETURN | ECF_LEAF. (declare_nothrow_library_fn): Add ecf_flags parameter. (__cxa_get_exception_ptr): Is ECF_NOTHROW | ECF_PURE | ECF_LEAF | ECF_TM_PURE. (do_begin_catch): cxa_begin_catch and _ITM_cxa_begin_catch are ECF_NOTHROW | ECF_LEAF. (do_end_catch): __cxa_end_catch and _ITM_cxa_end_catch is ECF_LEAF. (do_allocate_exception): _cxa_allocate_exception and _ITM_cxa_allocate_exception are ECF_NOTHROW | ECF_MALLOC | ECF_LEAF (do_free_exception): __cxa_free_exception is ECF_NOTHROW | ECF_LEAF. * rtti.c (build_dynamic_cast_1): __dynamic_cast is ECF_LEAF | ECF_PURE | ECF_NOTHROW. From-SVN: r202099
This commit is contained in:
Jan Hubicka
Jan Hubicka
parent
47500756e5
commit
fafa0521c9
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@ -1,3 +1,42 @@
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2013-08-29 Jan Hubicka <jh@suse.cz>
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* class.c (build_vtbl_initializer): Make __cxa_deleted_virtual
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ECF_NORETURN | ECF_LEAF
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* cp-tree.h (build_library_fn_ptr, build_cp_library_fn_ptr,
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push_library_fn, push_void_library_fn): Update prototype.
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* decl.c (build_library_fn_1): Remove.
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(push_cp_library_fn, build_cp_library_fn): Update to take ECF flags.
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(cxx_init_decl_processing): Update; global_delete_fndecl is ECF_NOTROW;
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__cxa_pure_virtual is ECF_NORETURN | ECF_NORETURN | ECF_LEAF.
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(build_library_fn_1): Add ecf_flags argument; rename to ...
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(build_library_fn): ... this one.
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(build_cp_library_fn): Take ecf_flags; do not copy NOTHROW flag.
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(build_library_fn_ptr): Take ecf_flags.
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(build_cp_library_fn_ptr): Likewise.
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(push_library_fn): Likewise.
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(push_cp_library_fn): Likewise.
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(push_void_library_fn): Likewise.
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(push_throw_library_fn): All throws are ECF_NORETURN.
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(__cxa_atexit, __cxa_thread_atexit): Add ECF_LEAF | ECF_NOTHROW attributes.
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(expand_static_init): __cxa_guard_acquire, __cxa_guard_release,
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__cxa_guard_abort are ECF_NOTHROW | ECF_LEAF.
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* except.c (init_exception_processing): terminate is
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ECF_NOTHROW | ECF_NORETURN | ECF_LEAF.
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(declare_nothrow_library_fn): Add ecf_flags parameter.
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(__cxa_get_exception_ptr): Is ECF_NOTHROW | ECF_PURE | ECF_LEAF |
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ECF_TM_PURE.
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(do_begin_catch): cxa_begin_catch and _ITM_cxa_begin_catch
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are ECF_NOTHROW | ECF_LEAF.
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(do_end_catch): __cxa_end_catch and _ITM_cxa_end_catch is
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ECF_LEAF.
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(do_allocate_exception): _cxa_allocate_exception
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and _ITM_cxa_allocate_exception are ECF_NOTHROW | ECF_MALLOC
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| ECF_LEAF
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(do_free_exception): __cxa_free_exception is
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ECF_NOTHROW | ECF_LEAF.
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* rtti.c (build_dynamic_cast_1): __dynamic_cast
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is ECF_LEAF | ECF_PURE | ECF_NOTHROW.
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2013-08-29 Adam Butcher <adam@jessamine.co.uk>
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* error.c (dump_lambda_function): New function, dependent on ...
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@ -8873,7 +8873,7 @@ build_vtbl_initializer (tree binfo,
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if (!get_global_value_if_present (fn, &fn))
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fn = push_library_fn (fn, (build_function_type_list
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(void_type_node, NULL_TREE)),
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NULL_TREE);
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NULL_TREE, ECF_NORETURN | ECF_LEAF);
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if (!TARGET_VTABLE_USES_DESCRIPTORS)
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init = fold_convert (vfunc_ptr_type_node,
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build_fold_addr_expr (fn));
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@ -5170,10 +5170,10 @@ extern void check_goto (tree);
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extern bool check_omp_return (void);
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extern tree make_typename_type (tree, tree, enum tag_types, tsubst_flags_t);
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extern tree make_unbound_class_template (tree, tree, tree, tsubst_flags_t);
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extern tree build_library_fn_ptr (const char *, tree);
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extern tree build_cp_library_fn_ptr (const char *, tree);
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extern tree push_library_fn (tree, tree, tree);
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extern tree push_void_library_fn (tree, tree);
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extern tree build_library_fn_ptr (const char *, tree, int);
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extern tree build_cp_library_fn_ptr (const char *, tree, int);
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extern tree push_library_fn (tree, tree, tree, int);
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extern tree push_void_library_fn (tree, tree, int);
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extern tree push_throw_library_fn (tree, tree);
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extern void warn_misplaced_attr_for_class_type (source_location location,
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tree class_type);
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@ -75,7 +75,6 @@ static tree grokvardecl (tree, tree, const cp_decl_specifier_seq *,
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static int check_static_variable_definition (tree, tree);
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static void record_unknown_type (tree, const char *);
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static tree builtin_function_1 (tree, tree, bool);
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static tree build_library_fn_1 (tree, enum tree_code, tree);
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static int member_function_or_else (tree, tree, enum overload_flags);
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static void bad_specifiers (tree, enum bad_spec_place, int, int, int, int,
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int);
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@ -107,8 +106,8 @@ static tree cp_make_fname_decl (location_t, tree, int);
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static void initialize_predefined_identifiers (void);
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static tree check_special_function_return_type
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(special_function_kind, tree, tree);
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static tree push_cp_library_fn (enum tree_code, tree);
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static tree build_cp_library_fn (tree, enum tree_code, tree);
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static tree push_cp_library_fn (enum tree_code, tree, int);
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static tree build_cp_library_fn (tree, enum tree_code, tree, int);
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static void store_parm_decls (tree);
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static void initialize_local_var (tree, tree);
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static void expand_static_init (tree, tree);
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@ -3800,10 +3799,10 @@ cxx_init_decl_processing (void)
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newtype = build_exception_variant (newtype, new_eh_spec);
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deltype = cp_build_type_attribute_variant (void_ftype_ptr, extvisattr);
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deltype = build_exception_variant (deltype, empty_except_spec);
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push_cp_library_fn (NEW_EXPR, newtype);
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push_cp_library_fn (VEC_NEW_EXPR, newtype);
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global_delete_fndecl = push_cp_library_fn (DELETE_EXPR, deltype);
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push_cp_library_fn (VEC_DELETE_EXPR, deltype);
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push_cp_library_fn (NEW_EXPR, newtype, 0);
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push_cp_library_fn (VEC_NEW_EXPR, newtype, 0);
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global_delete_fndecl = push_cp_library_fn (DELETE_EXPR, deltype, ECF_NOTHROW);
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push_cp_library_fn (VEC_DELETE_EXPR, deltype, ECF_NOTHROW);
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nullptr_type_node = make_node (NULLPTR_TYPE);
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TYPE_SIZE (nullptr_type_node) = bitsize_int (GET_MODE_BITSIZE (ptr_mode));
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@ -3816,7 +3815,8 @@ cxx_init_decl_processing (void)
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}
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abort_fndecl
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= build_library_fn_ptr ("__cxa_pure_virtual", void_ftype);
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= build_library_fn_ptr ("__cxa_pure_virtual", void_ftype,
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ECF_NORETURN | ECF_NOTHROW | ECF_LEAF);
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/* Perform other language dependent initializations. */
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init_class_processing ();
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@ -4007,7 +4007,8 @@ cxx_builtin_function_ext_scope (tree decl)
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function. Not called directly. */
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static tree
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build_library_fn_1 (tree name, enum tree_code operator_code, tree type)
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build_library_fn (tree name, enum tree_code operator_code, tree type,
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int ecf_flags)
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{
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tree fn = build_lang_decl (FUNCTION_DECL, name, type);
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DECL_EXTERNAL (fn) = 1;
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@ -4019,28 +4020,17 @@ build_library_fn_1 (tree name, enum tree_code operator_code, tree type)
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external shared object. */
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DECL_VISIBILITY (fn) = VISIBILITY_DEFAULT;
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DECL_VISIBILITY_SPECIFIED (fn) = 1;
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return fn;
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}
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/* Returns the _DECL for a library function with C linkage.
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We assume that such functions never throw; if this is incorrect,
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callers should unset TREE_NOTHROW. */
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static tree
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build_library_fn (tree name, tree type)
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{
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tree fn = build_library_fn_1 (name, ERROR_MARK, type);
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TREE_NOTHROW (fn) = 1;
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set_call_expr_flags (fn, ecf_flags);
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return fn;
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}
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/* Returns the _DECL for a library function with C++ linkage. */
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static tree
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build_cp_library_fn (tree name, enum tree_code operator_code, tree type)
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build_cp_library_fn (tree name, enum tree_code operator_code, tree type,
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int ecf_flags)
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{
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tree fn = build_library_fn_1 (name, operator_code, type);
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TREE_NOTHROW (fn) = TYPE_NOTHROW_P (type);
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tree fn = build_library_fn (name, operator_code, type, ecf_flags);
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DECL_CONTEXT (fn) = FROB_CONTEXT (current_namespace);
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SET_DECL_LANGUAGE (fn, lang_cplusplus);
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return fn;
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@ -4050,18 +4040,19 @@ build_cp_library_fn (tree name, enum tree_code operator_code, tree type)
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IDENTIFIER_NODE. */
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tree
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build_library_fn_ptr (const char* name, tree type)
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build_library_fn_ptr (const char* name, tree type, int ecf_flags)
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{
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return build_library_fn (get_identifier (name), type);
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return build_library_fn (get_identifier (name), ERROR_MARK, type, ecf_flags);
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}
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/* Like build_cp_library_fn, but takes a C string instead of an
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IDENTIFIER_NODE. */
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tree
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build_cp_library_fn_ptr (const char* name, tree type)
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build_cp_library_fn_ptr (const char* name, tree type, int ecf_flags)
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{
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return build_cp_library_fn (get_identifier (name), ERROR_MARK, type);
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return build_cp_library_fn (get_identifier (name), ERROR_MARK, type,
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ecf_flags);
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}
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/* Like build_library_fn, but also pushes the function so that we will
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@ -4069,14 +4060,14 @@ build_cp_library_fn_ptr (const char* name, tree type)
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may throw exceptions listed in RAISES. */
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tree
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push_library_fn (tree name, tree type, tree raises)
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push_library_fn (tree name, tree type, tree raises, int ecf_flags)
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{
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tree fn;
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if (raises)
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type = build_exception_variant (type, raises);
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fn = build_library_fn (name, type);
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fn = build_library_fn (name, ERROR_MARK, type, ecf_flags);
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pushdecl_top_level (fn);
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return fn;
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}
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@ -4085,11 +4076,12 @@ push_library_fn (tree name, tree type, tree raises)
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will be found by normal lookup. */
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static tree
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push_cp_library_fn (enum tree_code operator_code, tree type)
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push_cp_library_fn (enum tree_code operator_code, tree type,
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int ecf_flags)
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{
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tree fn = build_cp_library_fn (ansi_opname (operator_code),
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operator_code,
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type);
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type, ecf_flags);
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pushdecl (fn);
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if (flag_tm)
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apply_tm_attr (fn, get_identifier ("transaction_safe"));
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@ -4100,10 +4092,10 @@ push_cp_library_fn (enum tree_code operator_code, tree type)
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a FUNCTION_TYPE. */
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tree
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push_void_library_fn (tree name, tree parmtypes)
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push_void_library_fn (tree name, tree parmtypes, int ecf_flags)
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{
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tree type = build_function_type (void_type_node, parmtypes);
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return push_library_fn (name, type, NULL_TREE);
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return push_library_fn (name, type, NULL_TREE, ecf_flags);
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}
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/* Like push_library_fn, but also note that this function throws
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@ -4112,9 +4104,7 @@ push_void_library_fn (tree name, tree parmtypes)
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tree
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push_throw_library_fn (tree name, tree type)
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{
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tree fn = push_library_fn (name, type, NULL_TREE);
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TREE_THIS_VOLATILE (fn) = 1;
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TREE_NOTHROW (fn) = 0;
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tree fn = push_library_fn (name, type, NULL_TREE, ECF_NORETURN | ECF_LEAF);
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return fn;
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}
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@ -6644,7 +6634,7 @@ get_atexit_node (void)
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/* Now, build the function declaration. */
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push_lang_context (lang_name_c);
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atexit_fndecl = build_library_fn_ptr (name, fn_type);
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atexit_fndecl = build_library_fn_ptr (name, fn_type, ECF_LEAF | ECF_NOTHROW);
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mark_used (atexit_fndecl);
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pop_lang_context ();
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atexit_node = decay_conversion (atexit_fndecl, tf_warning_or_error);
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@ -6666,7 +6656,8 @@ get_thread_atexit_node (void)
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NULL_TREE);
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/* Now, build the function declaration. */
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tree atexit_fndecl = build_library_fn_ptr ("__cxa_thread_atexit", fn_type);
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tree atexit_fndecl = build_library_fn_ptr ("__cxa_thread_atexit", fn_type,
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ECF_LEAF | ECF_NOTHROW);
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return decay_conversion (atexit_fndecl, tf_warning_or_error);
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}
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@ -6992,15 +6983,17 @@ expand_static_init (tree decl, tree init)
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(acquire_name, build_function_type_list (integer_type_node,
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TREE_TYPE (guard_addr),
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NULL_TREE),
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NULL_TREE);
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NULL_TREE, ECF_NOTHROW | ECF_LEAF);
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if (!release_fn || !abort_fn)
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vfntype = build_function_type_list (void_type_node,
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TREE_TYPE (guard_addr),
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NULL_TREE);
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if (!release_fn)
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release_fn = push_library_fn (release_name, vfntype, NULL_TREE);
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release_fn = push_library_fn (release_name, vfntype, NULL_TREE,
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ECF_NOTHROW | ECF_LEAF);
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if (!abort_fn)
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abort_fn = push_library_fn (abort_name, vfntype, NULL_TREE);
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abort_fn = push_library_fn (abort_name, vfntype, NULL_TREE,
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ECF_NOTHROW | ECF_LEAF);
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inner_if_stmt = begin_if_stmt ();
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finish_if_stmt_cond (build_call_n (acquire_fn, 1, guard_addr),
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|
|
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@ -57,7 +57,9 @@ init_exception_processing (void)
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/* void std::terminate (); */
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push_namespace (std_identifier);
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tmp = build_function_type_list (void_type_node, NULL_TREE);
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terminate_node = build_cp_library_fn_ptr ("terminate", tmp);
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terminate_node = build_cp_library_fn_ptr ("terminate", tmp,
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ECF_NOTHROW | ECF_NORETURN
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| ECF_LEAF);
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TREE_THIS_VOLATILE (terminate_node) = 1;
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TREE_NOTHROW (terminate_node) = 1;
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pop_namespace ();
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|
|
@ -149,12 +151,13 @@ build_exc_ptr (void)
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are consistent with the actual implementations in libsupc++. */
|
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static tree
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declare_nothrow_library_fn (tree name, tree return_type, tree parm_type)
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declare_library_fn (tree name, tree return_type, tree parm_type, int ecf_flags)
|
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{
|
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return push_library_fn (name, build_function_type_list (return_type,
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parm_type,
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NULL_TREE),
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empty_except_spec);
|
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empty_except_spec,
|
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ecf_flags);
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}
|
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|
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/* Build up a call to __cxa_get_exception_ptr so that we can build a
|
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|
|
@ -169,10 +172,8 @@ do_get_exception_ptr (void)
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if (!get_global_value_if_present (fn, &fn))
|
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{
|
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/* Declare void* __cxa_get_exception_ptr (void *) throw(). */
|
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fn = declare_nothrow_library_fn (fn, ptr_type_node, ptr_type_node);
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|
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if (flag_tm)
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apply_tm_attr (fn, get_identifier ("transaction_pure"));
|
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fn = declare_library_fn (fn, ptr_type_node, ptr_type_node,
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ECF_NOTHROW | ECF_PURE | ECF_LEAF | ECF_TM_PURE);
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}
|
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|
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return cp_build_function_call_nary (fn, tf_warning_or_error,
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|
|
@ -191,16 +192,17 @@ do_begin_catch (void)
|
|||
if (!get_global_value_if_present (fn, &fn))
|
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{
|
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/* Declare void* __cxa_begin_catch (void *) throw(). */
|
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fn = declare_nothrow_library_fn (fn, ptr_type_node, ptr_type_node);
|
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fn = declare_library_fn (fn, ptr_type_node, ptr_type_node,
|
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ECF_NOTHROW | ECF_LEAF);
|
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|
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/* Create its transactional-memory equivalent. */
|
||||
if (flag_tm)
|
||||
{
|
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tree fn2 = get_identifier ("_ITM_cxa_begin_catch");
|
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if (!get_global_value_if_present (fn2, &fn2))
|
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fn2 = declare_nothrow_library_fn (fn2, ptr_type_node,
|
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ptr_type_node);
|
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apply_tm_attr (fn2, get_identifier ("transaction_pure"));
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fn2 = declare_library_fn (fn2, ptr_type_node,
|
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ptr_type_node,
|
||||
ECF_NOTHROW | ECF_TM_PURE | ECF_LEAF);
|
||||
record_tm_replacement (fn, fn2);
|
||||
}
|
||||
}
|
||||
|
|
@ -238,21 +240,17 @@ do_end_catch (tree type)
|
|||
fn = get_identifier ("__cxa_end_catch");
|
||||
if (!get_global_value_if_present (fn, &fn))
|
||||
{
|
||||
/* Declare void __cxa_end_catch (). */
|
||||
fn = push_void_library_fn (fn, void_list_node);
|
||||
/* This can throw if the destructor for the exception throws. */
|
||||
TREE_NOTHROW (fn) = 0;
|
||||
/* Declare void __cxa_end_catch ().
|
||||
This can throw if the destructor for the exception throws. */
|
||||
fn = push_void_library_fn (fn, void_list_node, ECF_LEAF);
|
||||
|
||||
/* Create its transactional-memory equivalent. */
|
||||
if (flag_tm)
|
||||
{
|
||||
tree fn2 = get_identifier ("_ITM_cxa_end_catch");
|
||||
if (!get_global_value_if_present (fn2, &fn2))
|
||||
{
|
||||
fn2 = push_void_library_fn (fn2, void_list_node);
|
||||
TREE_NOTHROW (fn2) = 0;
|
||||
}
|
||||
apply_tm_attr (fn2, get_identifier ("transaction_pure"));
|
||||
fn2 = push_void_library_fn (fn2, void_list_node,
|
||||
ECF_TM_PURE | ECF_LEAF);
|
||||
record_tm_replacement (fn, fn2);
|
||||
}
|
||||
}
|
||||
|
|
@ -631,15 +629,17 @@ do_allocate_exception (tree type)
|
|||
if (!get_global_value_if_present (fn, &fn))
|
||||
{
|
||||
/* Declare void *__cxa_allocate_exception(size_t) throw(). */
|
||||
fn = declare_nothrow_library_fn (fn, ptr_type_node, size_type_node);
|
||||
fn = declare_library_fn (fn, ptr_type_node, size_type_node,
|
||||
ECF_NOTHROW | ECF_MALLOC | ECF_LEAF);
|
||||
|
||||
if (flag_tm)
|
||||
{
|
||||
tree fn2 = get_identifier ("_ITM_cxa_allocate_exception");
|
||||
if (!get_global_value_if_present (fn2, &fn2))
|
||||
fn2 = declare_nothrow_library_fn (fn2, ptr_type_node,
|
||||
size_type_node);
|
||||
apply_tm_attr (fn2, get_identifier ("transaction_pure"));
|
||||
fn2 = declare_library_fn (fn2, ptr_type_node,
|
||||
size_type_node,
|
||||
ECF_NOTHROW | ECF_MALLOC | ECF_TM_PURE
|
||||
| ECF_LEAF);
|
||||
record_tm_replacement (fn, fn2);
|
||||
}
|
||||
}
|
||||
|
|
@ -660,7 +660,8 @@ do_free_exception (tree ptr)
|
|||
if (!get_global_value_if_present (fn, &fn))
|
||||
{
|
||||
/* Declare void __cxa_free_exception (void *) throw(). */
|
||||
fn = declare_nothrow_library_fn (fn, void_type_node, ptr_type_node);
|
||||
fn = declare_library_fn (fn, void_type_node, ptr_type_node,
|
||||
ECF_NOTHROW | ECF_LEAF);
|
||||
}
|
||||
|
||||
return cp_build_function_call_nary (fn, tf_warning_or_error, ptr, NULL_TREE);
|
||||
|
|
|
|||
|
|
@ -739,8 +739,8 @@ build_dynamic_cast_1 (tree type, tree expr, tsubst_flags_t complain)
|
|||
const_ptr_type_node,
|
||||
tinfo_ptr, tinfo_ptr,
|
||||
ptrdiff_type_node, NULL_TREE);
|
||||
dcast_fn = build_library_fn_ptr (name, tmp);
|
||||
DECL_PURE_P (dcast_fn) = 1;
|
||||
dcast_fn = build_library_fn_ptr (name, tmp,
|
||||
ECF_LEAF | ECF_PURE | ECF_NOTHROW);
|
||||
pop_abi_namespace ();
|
||||
dynamic_cast_node = dcast_fn;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue