diff options
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 80 |
1 files changed, 67 insertions, 13 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 4652267c667..ed44486223a 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -40,6 +40,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "toplev.h" #include "ggc.h" #include "tm_p.h" +#include "cpphash.h" #include "cpplib.h" #include "target.h" #include "debug.h" @@ -54,6 +55,8 @@ enum decl_context TYPENAME}; /* Typename (inside cast or sizeof) */ +/* Do GC. */ + /* Nonzero if we have seen an invalid cross reference to a struct, union, or enum, but not yet printed the message. */ @@ -428,6 +431,16 @@ int warn_float_equal = 0; int warn_multichar = 1; +/* The filename to which we should write a precompiled header, or + NULL if no header will be written in this compile. */ + +const char *pch_file; + +/* Whether we've hit a definition that prevents us from including + a precompiled header. */ + +extern int allow_pch; + /* The variant of the C language being processed. */ c_language_kind c_language = clk_c; @@ -546,6 +559,16 @@ c_decode_option (argc, argv) else error ("unknown C standard `%s'", argstart); } + else if (!strncmp (p, "--output-pch=", 13)) + { + pch_file = xstrdup (p + 13); + CPP_OPTION (parse_in, gen_deps) = 1; + } + else if (!strncmp (p, "-fauto-pch", 13)) + { + flag_auto_pch = 1; + CPP_OPTION (parse_in, gen_deps) = 1; + } else if (!strcmp (p, "-fdollars-in-identifiers")) dollars_in_ident = 1; else if (!strcmp (p, "-fno-dollars-in-identifiers")) @@ -1498,6 +1521,8 @@ duplicate_decls (newdecl, olddecl, different_binding_level) tree trytype = build_function_type (newreturntype, TYPE_ARG_TYPES (oldtype)); + trytype = build_type_attribute_variant (trytype, + TYPE_ATTRIBUTES (oldtype)); types_match = comptypes (newtype, trytype); if (types_match) @@ -1519,6 +1544,8 @@ duplicate_decls (newdecl, olddecl, different_binding_level) tree_cons (NULL_TREE, TREE_VALUE (TYPE_ARG_TYPES (newtype)), TREE_CHAIN (TYPE_ARG_TYPES (oldtype)))); + trytype = build_type_attribute_variant (trytype, + TYPE_ATTRIBUTES (oldtype)); types_match = comptypes (newtype, trytype); if (types_match) @@ -2505,7 +2532,7 @@ tree implicitly_declare (functionid) tree functionid; { - register tree decl; + tree decl; int traditional_warning = 0; /* Only one "implicit declaration" warning per identifier. */ int implicit_warning; @@ -2555,6 +2582,9 @@ implicitly_declare (functionid) gen_aux_info_record (decl, 0, 1, 0); + /* Possibly apply some default attributes to this implicit declaration. */ + decl_attributes (&decl, NULL_TREE, 0); + return decl; } @@ -2955,6 +2985,13 @@ mark_binding_level (arg) } } +static const struct field_definition_s c_lang_function_field_defs[] = { + /* No interesting pointers. */ + NO_MORE_FIELDS +}; + + + /* Create the predefined scalar types of C, and some nodes representing standard constants (0, 1, (void *) 0). Initialize the global binding level. @@ -3056,24 +3093,26 @@ init_decl_processing () make_fname_decl = c_make_fname_decl; start_fname_decls (); - /* Prepare to check format strings against argument lists. */ - init_function_format_info (); - incomplete_decl_finalize_hook = finish_incomplete_decl; /* Record our roots. */ - ggc_add_tree_root (c_global_trees, CTI_MAX); - ggc_add_root (&c_stmt_tree, 1, sizeof c_stmt_tree, mark_stmt_tree); - ggc_add_tree_root (&c_scope_stmt_stack, 1); - ggc_add_tree_root (&named_labels, 1); - ggc_add_tree_root (&shadowed_labels, 1); + ggc_add_tree_root (c_global_trees, CTI_MAX, "c_global_trees"); + add_tree_addresses (&data_to_save, c_global_trees, CTI_MAX, "c_global_trees"); + ggc_add_root (&c_stmt_tree, 1, sizeof c_stmt_tree, mark_stmt_tree, "c_stmt_tree"); + ggc_add_tree_root (&c_scope_stmt_stack, 1, "c_scope_stmt_stack"); + ggc_add_tree_root (&named_labels, 1, "named_labels"); + ggc_add_tree_root (&shadowed_labels, 1, "shadowed_labels"); ggc_add_root (¤t_binding_level, 1, sizeof current_binding_level, - mark_binding_level); + mark_binding_level, "current_binding_level"); + add_tree_addresses (&data_to_save, &global_binding_level->names, 1, "global_binding_level->names"); + add_tree_addresses (&data_to_save, &global_binding_level->tags, 1, "global_binding_level->tags"); ggc_add_root (&label_level_chain, 1, sizeof label_level_chain, - mark_binding_level); - ggc_add_tree_root (&static_ctors, 1); - ggc_add_tree_root (&static_dtors, 1); + mark_binding_level, "label_level_chain"); + ggc_add_tree_root (&static_ctors, 1, "static_ctors"); + add_tree_addresses (&data_to_save, &static_ctors, 1, "static_ctors"); + ggc_add_tree_root (&static_dtors, 1, "static_dtors"); + add_tree_addresses (&data_to_save, &static_dtors, 1, "static_dtors"); } /* Create the VAR_DECL for __FUNCTION__ etc. ID is the name to give the @@ -3152,8 +3191,23 @@ builtin_function (name, type, function_code, class, library_name) if (name[0] != '_' || name[1] != '_') C_DECL_ANTICIPATED (decl) = 1; + /* Possibly apply some default attributes to this built-in function. */ + decl_attributes (&decl, NULL_TREE, 0); + return decl; } + +/* Apply default attributes to a function, if a system function with default + attributes. */ + +void +insert_default_attributes (decl) + tree decl; +{ + if (!TREE_PUBLIC (decl)) + return; + c_common_insert_default_attributes (decl); +} /* Called when a declaration is seen that contains no names to declare. If its type is a reference to a structure, union or enum inherited |