1 /* Default macros to initialize the lang_hooks data structure.
2 Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
3 Contributed by Alexandre Oliva <aoliva@redhat.com>
5 This file is part of GCC.
7 GCC 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)
12 GCC 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.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 #ifndef GCC_LANG_HOOKS_DEF_H
23 #define GCC_LANG_HOOKS_DEF_H
27 struct diagnostic_context;
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 (tree);
33 /* Note to creators of new hooks:
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. */
40 /* See langhooks.h for the definition and documentation of each hook. */
42 extern void lhd_do_nothing (void);
43 extern void lhd_do_nothing_t (tree);
44 extern void lhd_do_nothing_i (int);
45 extern void lhd_do_nothing_f (struct function *);
46 extern bool lhd_post_options (const char **);
47 extern HOST_WIDE_INT lhd_get_alias_set (tree);
48 extern tree lhd_return_tree (tree);
49 extern tree lhd_return_null_tree_v (void);
50 extern tree lhd_return_null_tree (tree);
51 extern tree lhd_do_nothing_iii_return_null_tree (int, int, int);
52 extern int lhd_safe_from_p (rtx, tree);
53 extern int lhd_staticp (tree);
54 extern int lhd_unsafe_for_reeval (tree);
55 extern void lhd_clear_binding_stack (void);
56 extern void lhd_print_tree_nothing (FILE *, tree, int);
57 extern const char *lhd_decl_printable_name (tree, int);
58 extern int lhd_types_compatible_p (tree, tree);
59 extern rtx lhd_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
60 extern int lhd_expand_decl (tree);
61 extern void lhd_print_error_function (struct diagnostic_context *,
63 extern void lhd_set_decl_assembler_name (tree);
64 extern bool lhd_can_use_bit_fields_p (void);
65 extern bool lhd_warn_unused_global_decl (tree);
66 extern void lhd_incomplete_type_error (tree, tree);
67 extern tree lhd_type_promotes_to (tree);
68 extern void lhd_register_builtin_type (tree, const char *);
69 extern bool lhd_decl_ok_for_sibcall (tree);
70 extern tree lhd_expr_size (tree);
71 extern bool lhd_decl_uninit (tree);
72 extern tree lhd_get_callee_fndecl (tree);
73 extern size_t lhd_tree_size (enum tree_code);
75 /* Declarations of default tree inlining hooks. */
76 extern tree lhd_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
78 extern int lhd_tree_inlining_cannot_inline_tree_fn (tree *);
79 extern int lhd_tree_inlining_disregard_inline_limits (tree);
80 extern tree lhd_tree_inlining_add_pending_fn_decls (void *, tree);
81 extern int lhd_tree_inlining_auto_var_in_fn_p (tree, tree);
82 extern tree lhd_tree_inlining_copy_res_decl_for_inlining (tree, tree, tree,
84 extern int lhd_tree_inlining_anon_aggr_type_p (tree);
85 extern int lhd_tree_inlining_start_inlining (tree);
86 extern void lhd_tree_inlining_end_inlining (tree);
87 extern tree lhd_tree_inlining_convert_parm_for_inlining (tree, tree, tree, int);
88 extern void lhd_initialize_diagnostics (struct diagnostic_context *);
89 extern tree lhd_callgraph_analyze_expr (tree *, int *, tree);
92 /* Declarations for tree gimplification hooks. */
93 extern int lhd_gimplify_expr (tree *, tree *, tree *);
95 #define LANG_HOOKS_NAME "GNU unknown"
96 #define LANG_HOOKS_IDENTIFIER_SIZE sizeof (struct lang_identifier)
97 #define LANG_HOOKS_INIT hook_bool_void_false
98 #define LANG_HOOKS_FINISH lhd_do_nothing
99 #define LANG_HOOKS_PARSE_FILE lhd_do_nothing_i
100 #define LANG_HOOKS_CLEAR_BINDING_STACK lhd_clear_binding_stack
101 #define LANG_HOOKS_INIT_OPTIONS hook_uint_uint_constcharptrptr_0
102 #define LANG_HOOKS_INITIALIZE_DIAGNOSTICS lhd_initialize_diagnostics
103 #define LANG_HOOKS_HANDLE_OPTION hook_int_size_t_constcharptr_int_0
104 #define LANG_HOOKS_MISSING_ARGUMENT hook_bool_constcharptr_size_t_false
105 #define LANG_HOOKS_POST_OPTIONS lhd_post_options
106 #define LANG_HOOKS_GET_ALIAS_SET lhd_get_alias_set
107 #define LANG_HOOKS_EXPAND_CONSTANT lhd_return_tree
108 #define LANG_HOOKS_EXPAND_EXPR lhd_expand_expr
109 #define LANG_HOOKS_EXPAND_DECL lhd_expand_decl
110 #define LANG_HOOKS_SAFE_FROM_P lhd_safe_from_p
111 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL lhd_do_nothing_t
112 #define LANG_HOOKS_UNSAFE_FOR_REEVAL lhd_unsafe_for_reeval
113 #define LANG_HOOKS_STATICP lhd_staticp
114 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
115 #define LANG_HOOKS_UNSAVE_EXPR_NOW lhd_unsave_expr_now
116 #define LANG_HOOKS_MAYBE_BUILD_CLEANUP lhd_return_null_tree
117 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name
118 #define LANG_HOOKS_CAN_USE_BIT_FIELDS_P lhd_can_use_bit_fields_p
119 #define LANG_HOOKS_HONOR_READONLY false
120 #define LANG_HOOKS_NO_BODY_BLOCKS false
121 #define LANG_HOOKS_PRINT_STATISTICS lhd_do_nothing
122 #define LANG_HOOKS_PRINT_XNODE lhd_print_tree_nothing
123 #define LANG_HOOKS_PRINT_DECL lhd_print_tree_nothing
124 #define LANG_HOOKS_PRINT_TYPE lhd_print_tree_nothing
125 #define LANG_HOOKS_PRINT_IDENTIFIER lhd_print_tree_nothing
126 #define LANG_HOOKS_PRINT_ERROR_FUNCTION lhd_print_error_function
127 #define LANG_HOOKS_DECL_PRINTABLE_NAME lhd_decl_printable_name
128 #define LANG_HOOKS_GET_CALLEE_FNDECL lhd_return_null_tree
129 #define LANG_HOOKS_EXPR_SIZE lhd_expr_size
130 #define LANG_HOOKS_TREE_SIZE lhd_tree_size
131 #define LANG_HOOKS_TYPES_COMPATIBLE_P lhd_types_compatible_p
132 #define LANG_HOOKS_UPDATE_DECL_AFTER_SAVING NULL
134 #define LANG_HOOKS_FUNCTION_INIT lhd_do_nothing_f
135 #define LANG_HOOKS_FUNCTION_FINAL lhd_do_nothing_f
136 #define LANG_HOOKS_FUNCTION_ENTER_NESTED lhd_do_nothing_f
137 #define LANG_HOOKS_FUNCTION_LEAVE_NESTED lhd_do_nothing_f
138 #define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P hook_bool_tree_true
140 /* Attribute hooks. */
141 #define LANG_HOOKS_ATTRIBUTE_TABLE NULL
142 #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE NULL
143 #define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE NULL
145 /* Tree inlining hooks. */
146 #define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES lhd_tree_inlining_walk_subtrees
147 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
148 lhd_tree_inlining_cannot_inline_tree_fn
149 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
150 lhd_tree_inlining_disregard_inline_limits
151 #define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
152 lhd_tree_inlining_add_pending_fn_decls
153 #define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
154 lhd_tree_inlining_auto_var_in_fn_p
155 #define LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING \
156 lhd_tree_inlining_copy_res_decl_for_inlining
157 #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
158 lhd_tree_inlining_anon_aggr_type_p
159 #define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P \
161 #define LANG_HOOKS_TREE_INLINING_START_INLINING \
162 lhd_tree_inlining_start_inlining
163 #define LANG_HOOKS_TREE_INLINING_END_INLINING \
164 lhd_tree_inlining_end_inlining
165 #define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
166 lhd_tree_inlining_convert_parm_for_inlining
167 #define LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
170 #define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
171 LANG_HOOKS_TREE_INLINING_WALK_SUBTREES, \
172 LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, \
173 LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, \
174 LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, \
175 LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P, \
176 LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING, \
177 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P, \
178 LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P, \
179 LANG_HOOKS_TREE_INLINING_START_INLINING, \
180 LANG_HOOKS_TREE_INLINING_END_INLINING, \
181 LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING, \
182 LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
185 #define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR lhd_callgraph_analyze_expr
186 #define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION NULL
188 #define LANG_HOOKS_CALLGRAPH_INITIALIZER { \
189 LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR, \
190 LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, \
193 #define LANG_HOOKS_FUNCTION_INITIALIZER { \
194 LANG_HOOKS_FUNCTION_INIT, \
195 LANG_HOOKS_FUNCTION_FINAL, \
196 LANG_HOOKS_FUNCTION_ENTER_NESTED, \
197 LANG_HOOKS_FUNCTION_LEAVE_NESTED, \
198 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P \
201 /* Hooks for tree gimplification. */
202 #define LANG_HOOKS_GIMPLIFY_EXPR lhd_gimplify_expr
203 #define LANG_HOOKS_GIMPLE_BEFORE_INLINING true
205 /* Tree dump hooks. */
206 extern bool lhd_tree_dump_dump_tree (void *, tree);
207 extern int lhd_tree_dump_type_quals (tree);
208 extern tree lhd_make_node (enum tree_code);
210 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree
211 #define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals
213 #define LANG_HOOKS_TREE_DUMP_INITIALIZER { \
214 LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \
215 LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \
218 /* Types hooks. There are no reasonable defaults for most of them,
219 so we create a compile-time error instead. */
220 #define LANG_HOOKS_MAKE_TYPE lhd_make_node
221 #define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error
222 #define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to
223 #define LANG_HOOKS_REGISTER_BUILTIN_TYPE lhd_register_builtin_type
224 #define LANG_HOOKS_HASH_TYPES true
226 #define LANG_HOOKS_FOR_TYPES_INITIALIZER { \
227 LANG_HOOKS_MAKE_TYPE, \
228 LANG_HOOKS_TYPE_FOR_MODE, \
229 LANG_HOOKS_TYPE_FOR_SIZE, \
230 LANG_HOOKS_UNSIGNED_TYPE, \
231 LANG_HOOKS_SIGNED_TYPE, \
232 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE, \
233 LANG_HOOKS_TYPE_PROMOTES_TO, \
234 LANG_HOOKS_REGISTER_BUILTIN_TYPE, \
235 LANG_HOOKS_INCOMPLETE_TYPE_ERROR, \
236 LANG_HOOKS_HASH_TYPES \
239 /* Declaration hooks. */
240 #define LANG_HOOKS_PUSHLEVEL pushlevel
241 #define LANG_HOOKS_POPLEVEL poplevel
242 #define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p
243 #define LANG_HOOKS_INSERT_BLOCK insert_block
244 #define LANG_HOOKS_SET_BLOCK set_block
245 #define LANG_HOOKS_PUSHDECL pushdecl
246 #define LANG_HOOKS_GETDECLS getdecls
247 #define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl
248 #define LANG_HOOKS_WRITE_GLOBALS write_global_declarations
249 #define LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE NULL
250 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL lhd_decl_ok_for_sibcall
252 #define LANG_HOOKS_DECLS { \
253 LANG_HOOKS_PUSHLEVEL, \
254 LANG_HOOKS_POPLEVEL, \
255 LANG_HOOKS_GLOBAL_BINDINGS_P, \
256 LANG_HOOKS_INSERT_BLOCK, \
257 LANG_HOOKS_SET_BLOCK, \
258 LANG_HOOKS_PUSHDECL, \
259 LANG_HOOKS_GETDECLS, \
260 LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \
261 LANG_HOOKS_WRITE_GLOBALS, \
262 LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE, \
263 LANG_HOOKS_DECL_OK_FOR_SIBCALL, \
266 /* The whole thing. The structure is defined in langhooks.h. */
267 #define LANG_HOOKS_INITIALIZER { \
269 LANG_HOOKS_IDENTIFIER_SIZE, \
270 LANG_HOOKS_TREE_SIZE, \
271 LANG_HOOKS_INIT_OPTIONS, \
272 LANG_HOOKS_INITIALIZE_DIAGNOSTICS, \
273 LANG_HOOKS_HANDLE_OPTION, \
274 LANG_HOOKS_MISSING_ARGUMENT, \
275 LANG_HOOKS_POST_OPTIONS, \
278 LANG_HOOKS_PARSE_FILE, \
279 LANG_HOOKS_CLEAR_BINDING_STACK, \
280 LANG_HOOKS_GET_ALIAS_SET, \
281 LANG_HOOKS_EXPAND_CONSTANT, \
282 LANG_HOOKS_EXPAND_EXPR, \
283 LANG_HOOKS_EXPAND_DECL, \
284 LANG_HOOKS_TRUTHVALUE_CONVERSION, \
285 LANG_HOOKS_SAFE_FROM_P, \
286 LANG_HOOKS_FINISH_INCOMPLETE_DECL, \
287 LANG_HOOKS_UNSAFE_FOR_REEVAL, \
288 LANG_HOOKS_MARK_ADDRESSABLE, \
289 LANG_HOOKS_STATICP, \
290 LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
291 LANG_HOOKS_UNSAVE_EXPR_NOW, \
292 LANG_HOOKS_MAYBE_BUILD_CLEANUP, \
293 LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
294 LANG_HOOKS_CAN_USE_BIT_FIELDS_P, \
295 LANG_HOOKS_HONOR_READONLY, \
296 LANG_HOOKS_NO_BODY_BLOCKS, \
297 LANG_HOOKS_PRINT_STATISTICS, \
298 LANG_HOOKS_PRINT_XNODE, \
299 LANG_HOOKS_PRINT_DECL, \
300 LANG_HOOKS_PRINT_TYPE, \
301 LANG_HOOKS_PRINT_IDENTIFIER, \
302 LANG_HOOKS_DECL_PRINTABLE_NAME, \
303 LANG_HOOKS_TYPES_COMPATIBLE_P, \
304 LANG_HOOKS_GET_CALLEE_FNDECL, \
305 LANG_HOOKS_PRINT_ERROR_FUNCTION, \
306 LANG_HOOKS_EXPR_SIZE, \
307 LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, \
308 LANG_HOOKS_ATTRIBUTE_TABLE, \
309 LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, \
310 LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, \
311 LANG_HOOKS_FUNCTION_INITIALIZER, \
312 LANG_HOOKS_TREE_INLINING_INITIALIZER, \
313 LANG_HOOKS_CALLGRAPH_INITIALIZER, \
314 LANG_HOOKS_TREE_DUMP_INITIALIZER, \
316 LANG_HOOKS_FOR_TYPES_INITIALIZER, \
317 LANG_HOOKS_GIMPLIFY_EXPR, \
318 LANG_HOOKS_GIMPLE_BEFORE_INLINING \
321 #endif /* GCC_LANG_HOOKS_DEF_H */