1 /* Default macros to initialize the lang_hooks data structure. 2 Copyright 2001, 2002 Free Software Foundation, Inc. 3 Contributed by Alexandre Oliva <aoliva@redhat.com> 4 5 This file is part of GNU CC. 6 7 GNU CC is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2, or (at your option) 10 any later version. 11 12 GNU CC is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GNU CC; see the file COPYING. If not, write to 19 the Free Software Foundation, 59 Temple Place - Suite 330, 20 Boston, MA 02111-1307, USA. */ 21 22 #ifndef GCC_LANG_HOOKS_DEF_H 23 #define GCC_LANG_HOOKS_DEF_H 24 25 #include "hooks.h" 26 27 struct diagnostic_context; 28 29 /* Provide a hook routine for alias sets that always returns 1. This is 30 used by languages that haven't deal with alias sets yet. */ 31 extern HOST_WIDE_INT hook_get_alias_set_0 PARAMS ((tree)); 32 33 /* Note to creators of new hooks: 34 35 The macros in this file should NOT be surrounded by a 36 #ifdef...#endif pair, since this file declares the defaults. Each 37 front end overrides any hooks it wishes to, in the file containing 38 its struct lang_hooks, AFTER including this file. 39 40 Prefix all default hooks with "lhd_". */ 41 42 /* See langhooks.h for the definition and documentation of each hook. */ 43 44 extern void lhd_do_nothing PARAMS ((void)); 45 extern void lhd_do_nothing_t PARAMS ((tree)); 46 extern void lhd_do_nothing_i PARAMS ((int)); 47 extern void lhd_do_nothing_f PARAMS ((struct function *)); 48 extern int lhd_decode_option PARAMS ((int, char **)); 49 extern HOST_WIDE_INT lhd_get_alias_set PARAMS ((tree)); 50 extern tree lhd_return_tree PARAMS ((tree)); 51 extern tree lhd_return_null_tree PARAMS ((tree)); 52 extern int lhd_safe_from_p PARAMS ((rtx, tree)); 53 extern int lhd_staticp PARAMS ((tree)); 54 extern int lhd_unsafe_for_reeval PARAMS ((tree)); 55 extern void lhd_clear_binding_stack PARAMS ((void)); 56 extern void lhd_print_tree_nothing PARAMS ((FILE *, tree, int)); 57 extern const char *lhd_decl_printable_name PARAMS ((tree, int)); 58 extern rtx lhd_expand_expr PARAMS ((tree, rtx, enum machine_mode, int)); 59 extern void lhd_print_error_function PARAMS ((struct diagnostic_context *, 60 const char *)); 61 extern void lhd_set_decl_assembler_name PARAMS ((tree)); 62 extern bool lhd_can_use_bit_fields_p PARAMS ((void)); 63 extern bool lhd_warn_unused_global_decl PARAMS ((tree)); 64 extern void lhd_incomplete_type_error PARAMS ((tree, tree)); 65 extern tree lhd_type_promotes_to PARAMS ((tree)); 66 extern bool lhd_decl_ok_for_sibcall PARAMS ((tree)); 67 extern tree lhd_expr_size PARAMS ((tree)); 68 69 /* Declarations of default tree inlining hooks. */ 70 tree lhd_tree_inlining_walk_subtrees PARAMS ((tree *, int *, 71 walk_tree_fn, 72 void *, void *)); 73 int lhd_tree_inlining_cannot_inline_tree_fn PARAMS ((tree *)); 74 int lhd_tree_inlining_disregard_inline_limits PARAMS ((tree)); 75 tree lhd_tree_inlining_add_pending_fn_decls PARAMS ((void *, tree)); 76 int lhd_tree_inlining_tree_chain_matters_p PARAMS ((tree)); 77 int lhd_tree_inlining_auto_var_in_fn_p PARAMS ((tree, tree)); 78 tree lhd_tree_inlining_copy_res_decl_for_inlining PARAMS ((tree, tree, 79 tree, void *, 80 int *, void *)); 81 int lhd_tree_inlining_anon_aggr_type_p PARAMS ((tree)); 82 int lhd_tree_inlining_start_inlining PARAMS ((tree)); 83 void lhd_tree_inlining_end_inlining PARAMS ((tree)); 84 tree lhd_tree_inlining_convert_parm_for_inlining PARAMS ((tree, tree, tree)); 85 86 void write_global_declarations PARAMS ((void)); 87 88 #define LANG_HOOKS_NAME "GNU unknown" 89 #define LANG_HOOKS_IDENTIFIER_SIZE sizeof (struct lang_identifier) 90 #define LANG_HOOKS_INIT lhd_do_nothing 91 #define LANG_HOOKS_FINISH lhd_do_nothing 92 #define LANG_HOOKS_PARSE_FILE lhd_do_nothing_i 93 #define LANG_HOOKS_CLEAR_BINDING_STACK lhd_clear_binding_stack 94 #define LANG_HOOKS_INIT_OPTIONS lhd_do_nothing 95 #define LANG_HOOKS_DECODE_OPTION lhd_decode_option 96 #define LANG_HOOKS_POST_OPTIONS hook_bool_void_false 97 #define LANG_HOOKS_GET_ALIAS_SET lhd_get_alias_set 98 #define LANG_HOOKS_EXPAND_CONSTANT lhd_return_tree 99 #define LANG_HOOKS_EXPAND_EXPR lhd_expand_expr 100 #define LANG_HOOKS_SAFE_FROM_P lhd_safe_from_p 101 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL lhd_do_nothing_t 102 #define LANG_HOOKS_UNSAFE_FOR_REEVAL lhd_unsafe_for_reeval 103 #define LANG_HOOKS_STATICP lhd_staticp 104 #define LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES lhd_do_nothing_t 105 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t 106 #define LANG_HOOKS_UNSAVE_EXPR_NOW lhd_unsave_expr_now 107 #define LANG_HOOKS_MAYBE_BUILD_CLEANUP lhd_return_null_tree 108 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name 109 #define LANG_HOOKS_CAN_USE_BIT_FIELDS_P lhd_can_use_bit_fields_p 110 #define LANG_HOOKS_HONOR_READONLY false 111 #define LANG_HOOKS_PRINT_STATISTICS lhd_do_nothing 112 #define LANG_HOOKS_PRINT_XNODE lhd_print_tree_nothing 113 #define LANG_HOOKS_PRINT_DECL lhd_print_tree_nothing 114 #define LANG_HOOKS_PRINT_TYPE lhd_print_tree_nothing 115 #define LANG_HOOKS_PRINT_IDENTIFIER lhd_print_tree_nothing 116 #define LANG_HOOKS_PRINT_ERROR_FUNCTION lhd_print_error_function 117 #define LANG_HOOKS_DECL_PRINTABLE_NAME lhd_decl_printable_name 118 #define LANG_HOOKS_EXPR_SIZE lhd_expr_size 119 120 #define LANG_HOOKS_FUNCTION_INIT lhd_do_nothing_f 121 #define LANG_HOOKS_FUNCTION_FINAL lhd_do_nothing_f 122 #define LANG_HOOKS_FUNCTION_ENTER_NESTED lhd_do_nothing_f 123 #define LANG_HOOKS_FUNCTION_LEAVE_NESTED lhd_do_nothing_f 124 125 /* Attribute hooks. */ 126 #define LANG_HOOKS_ATTRIBUTE_TABLE NULL 127 #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE NULL 128 #define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE NULL 129 130 /* Tree inlining hooks. */ 131 #define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES lhd_tree_inlining_walk_subtrees 132 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \ 133 lhd_tree_inlining_cannot_inline_tree_fn 134 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \ 135 lhd_tree_inlining_disregard_inline_limits 136 #define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \ 137 lhd_tree_inlining_add_pending_fn_decls 138 #define LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P \ 139 lhd_tree_inlining_tree_chain_matters_p 140 #define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \ 141 lhd_tree_inlining_auto_var_in_fn_p 142 #define LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING \ 143 lhd_tree_inlining_copy_res_decl_for_inlining 144 #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \ 145 lhd_tree_inlining_anon_aggr_type_p 146 #define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P \ 147 hook_bool_tree_false 148 #define LANG_HOOKS_TREE_INLINING_START_INLINING \ 149 lhd_tree_inlining_start_inlining 150 #define LANG_HOOKS_TREE_INLINING_END_INLINING \ 151 lhd_tree_inlining_end_inlining 152 #define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \ 153 lhd_tree_inlining_convert_parm_for_inlining 154 155 #define LANG_HOOKS_TREE_INLINING_INITIALIZER { \ 156 LANG_HOOKS_TREE_INLINING_WALK_SUBTREES, \ 157 LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, \ 158 LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, \ 159 LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, \ 160 LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P, \ 161 LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P, \ 162 LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING, \ 163 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P, \ 164 LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P, \ 165 LANG_HOOKS_TREE_INLINING_START_INLINING, \ 166 LANG_HOOKS_TREE_INLINING_END_INLINING, \ 167 LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \ 168 } \ 169 170 #define LANG_HOOKS_FUNCTION_INITIALIZER { \ 171 LANG_HOOKS_FUNCTION_INIT, \ 172 LANG_HOOKS_FUNCTION_FINAL, \ 173 LANG_HOOKS_FUNCTION_ENTER_NESTED, \ 174 LANG_HOOKS_FUNCTION_LEAVE_NESTED \ 175 } 176 177 /* Tree dump hooks. */ 178 int lhd_tree_dump_dump_tree PARAMS ((void *, tree)); 179 int lhd_tree_dump_type_quals PARAMS ((tree)); 180 181 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree 182 #define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals 183 184 #define LANG_HOOKS_TREE_DUMP_INITIALIZER { \ 185 LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \ 186 LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \ 187 } 188 189 /* Types hooks. There are no reasonable defaults for most of them, 190 so we create a compile-time error instead. */ 191 #define LANG_HOOKS_MAKE_TYPE make_node 192 #define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error 193 #define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to 194 195 #define LANG_HOOKS_FOR_TYPES_INITIALIZER { \ 196 LANG_HOOKS_MAKE_TYPE, \ 197 LANG_HOOKS_TYPE_FOR_MODE, \ 198 LANG_HOOKS_TYPE_FOR_SIZE, \ 199 LANG_HOOKS_UNSIGNED_TYPE, \ 200 LANG_HOOKS_SIGNED_TYPE, \ 201 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE, \ 202 LANG_HOOKS_TYPE_PROMOTES_TO, \ 203 LANG_HOOKS_INCOMPLETE_TYPE_ERROR \ 204 } 205 206 /* Declaration hooks. */ 207 #define LANG_HOOKS_PUSHLEVEL pushlevel 208 #define LANG_HOOKS_POPLEVEL poplevel 209 #define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p 210 #define LANG_HOOKS_INSERT_BLOCK insert_block 211 #define LANG_HOOKS_SET_BLOCK set_block 212 #define LANG_HOOKS_PUSHDECL pushdecl 213 #define LANG_HOOKS_GETDECLS getdecls 214 #define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl 215 #define LANG_HOOKS_WRITE_GLOBALS write_global_declarations 216 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL lhd_decl_ok_for_sibcall 217 218 #define LANG_HOOKS_DECLS { \ 219 LANG_HOOKS_PUSHLEVEL, \ 220 LANG_HOOKS_POPLEVEL, \ 221 LANG_HOOKS_GLOBAL_BINDINGS_P, \ 222 LANG_HOOKS_INSERT_BLOCK, \ 223 LANG_HOOKS_SET_BLOCK, \ 224 LANG_HOOKS_PUSHDECL, \ 225 LANG_HOOKS_GETDECLS, \ 226 LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \ 227 LANG_HOOKS_WRITE_GLOBALS, \ 228 LANG_HOOKS_DECL_OK_FOR_SIBCALL, \ 229 } 230 231 /* The whole thing. The structure is defined in langhooks.h. */ 232 #define LANG_HOOKS_INITIALIZER { \ 233 LANG_HOOKS_NAME, \ 234 LANG_HOOKS_IDENTIFIER_SIZE, \ 235 LANG_HOOKS_INIT_OPTIONS, \ 236 LANG_HOOKS_DECODE_OPTION, \ 237 LANG_HOOKS_POST_OPTIONS, \ 238 LANG_HOOKS_INIT, \ 239 LANG_HOOKS_FINISH, \ 240 LANG_HOOKS_PARSE_FILE, \ 241 LANG_HOOKS_CLEAR_BINDING_STACK, \ 242 LANG_HOOKS_GET_ALIAS_SET, \ 243 LANG_HOOKS_EXPAND_CONSTANT, \ 244 LANG_HOOKS_EXPAND_EXPR, \ 245 LANG_HOOKS_TRUTHVALUE_CONVERSION, \ 246 LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES, \ 247 LANG_HOOKS_SAFE_FROM_P, \ 248 LANG_HOOKS_FINISH_INCOMPLETE_DECL, \ 249 LANG_HOOKS_UNSAFE_FOR_REEVAL, \ 250 LANG_HOOKS_MARK_ADDRESSABLE, \ 251 LANG_HOOKS_STATICP, \ 252 LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \ 253 LANG_HOOKS_UNSAVE_EXPR_NOW, \ 254 LANG_HOOKS_MAYBE_BUILD_CLEANUP, \ 255 LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \ 256 LANG_HOOKS_CAN_USE_BIT_FIELDS_P, \ 257 LANG_HOOKS_HONOR_READONLY, \ 258 LANG_HOOKS_PRINT_STATISTICS, \ 259 LANG_HOOKS_PRINT_XNODE, \ 260 LANG_HOOKS_PRINT_DECL, \ 261 LANG_HOOKS_PRINT_TYPE, \ 262 LANG_HOOKS_PRINT_IDENTIFIER, \ 263 LANG_HOOKS_DECL_PRINTABLE_NAME, \ 264 LANG_HOOKS_PRINT_ERROR_FUNCTION, \ 265 LANG_HOOKS_EXPR_SIZE, \ 266 LANG_HOOKS_ATTRIBUTE_TABLE, \ 267 LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, \ 268 LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, \ 269 LANG_HOOKS_FUNCTION_INITIALIZER, \ 270 LANG_HOOKS_TREE_INLINING_INITIALIZER, \ 271 LANG_HOOKS_TREE_DUMP_INITIALIZER, \ 272 LANG_HOOKS_DECLS, \ 273 LANG_HOOKS_FOR_TYPES_INITIALIZER \ 274 } 275 276 #endif /* GCC_LANG_HOOKS_DEF_H */ 277