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[pf3gnuchains/gcc-fork.git] / gcc / langhooks-def.h
1 /* Default macros to initialize the lang_hooks data structure.
2    Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
3    Contributed by Alexandre Oliva  <aoliva@redhat.com>
4
5 This file is part of GCC.
6
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)
10 any later version.
11
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.
16
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, 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, 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 (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 /* See langhooks.h for the definition and documentation of each hook.  */
41
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 tree lhd_staticp (tree);
53 extern void lhd_print_tree_nothing (FILE *, tree, int);
54 extern const char *lhd_decl_printable_name (tree, int);
55 extern const char *lhd_dwarf_name (tree, int);
56 extern int lhd_types_compatible_p (tree, tree);
57 extern rtx lhd_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
58 extern int lhd_expand_decl (tree);
59 extern void lhd_print_error_function (struct diagnostic_context *,
60                                       const char *);
61 extern void lhd_set_decl_assembler_name (tree);
62 extern bool lhd_warn_unused_global_decl (tree);
63 extern void lhd_incomplete_type_error (tree, tree);
64 extern tree lhd_type_promotes_to (tree);
65 extern void lhd_register_builtin_type (tree, const char *);
66 extern bool lhd_decl_ok_for_sibcall (tree);
67 extern const char *lhd_comdat_group (tree);
68 extern tree lhd_expr_size (tree);
69 extern size_t lhd_tree_size (enum tree_code);
70 extern HOST_WIDE_INT lhd_to_target_charset (HOST_WIDE_INT);
71 extern tree lhd_expr_to_decl (tree, bool *, bool *, bool *);
72 extern tree lhd_builtin_function (tree decl);
73
74 /* Declarations of default tree inlining hooks.  */
75 extern tree lhd_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
76                                              void *, struct pointer_set_t*);
77 extern int lhd_tree_inlining_cannot_inline_tree_fn (tree *);
78 extern int lhd_tree_inlining_disregard_inline_limits (tree);
79 extern tree lhd_tree_inlining_add_pending_fn_decls (void *, tree);
80 extern int lhd_tree_inlining_auto_var_in_fn_p (tree, tree);
81 extern int lhd_tree_inlining_anon_aggr_type_p (tree);
82 extern int lhd_tree_inlining_start_inlining (tree);
83 extern void lhd_tree_inlining_end_inlining (tree);
84 extern tree lhd_tree_inlining_convert_parm_for_inlining (tree, tree, tree, int);
85 extern void lhd_initialize_diagnostics (struct diagnostic_context *);
86 extern tree lhd_callgraph_analyze_expr (tree *, int *, tree);
87
88
89 /* Declarations for tree gimplification hooks.  */
90 extern int lhd_gimplify_expr (tree *, tree *, tree *);
91 extern enum omp_clause_default_kind lhd_omp_predetermined_sharing (tree);
92 extern tree lhd_omp_assignment (tree, tree, tree);
93 struct gimplify_omp_ctx;
94 extern void lhd_omp_firstprivatize_type_sizes (struct gimplify_omp_ctx *,
95                                                tree);
96
97 #define LANG_HOOKS_NAME                 "GNU unknown"
98 #define LANG_HOOKS_IDENTIFIER_SIZE      sizeof (struct lang_identifier)
99 #define LANG_HOOKS_INIT                 hook_bool_void_false
100 #define LANG_HOOKS_FINISH               lhd_do_nothing
101 #define LANG_HOOKS_PARSE_FILE           lhd_do_nothing_i
102 #define LANG_HOOKS_CLEAR_BINDING_STACK  lhd_do_nothing
103 #define LANG_HOOKS_INIT_OPTIONS         hook_uint_uint_constcharptrptr_0
104 #define LANG_HOOKS_INITIALIZE_DIAGNOSTICS lhd_initialize_diagnostics
105 #define LANG_HOOKS_HANDLE_OPTION        hook_int_size_t_constcharptr_int_0
106 #define LANG_HOOKS_MISSING_ARGUMENT     hook_bool_constcharptr_size_t_false
107 #define LANG_HOOKS_POST_OPTIONS         lhd_post_options
108 #define LANG_HOOKS_GET_ALIAS_SET        lhd_get_alias_set
109 #define LANG_HOOKS_EXPAND_CONSTANT      lhd_return_tree
110 #define LANG_HOOKS_EXPAND_EXPR          lhd_expand_expr
111 #define LANG_HOOKS_EXPAND_DECL          lhd_expand_decl
112 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL lhd_do_nothing_t
113 #define LANG_HOOKS_STATICP              lhd_staticp
114 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
115 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name
116 #define LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS false
117 #define LANG_HOOKS_NO_BODY_BLOCKS       false
118 #define LANG_HOOKS_PRINT_STATISTICS     lhd_do_nothing
119 #define LANG_HOOKS_PRINT_XNODE          lhd_print_tree_nothing
120 #define LANG_HOOKS_PRINT_DECL           lhd_print_tree_nothing
121 #define LANG_HOOKS_PRINT_TYPE           lhd_print_tree_nothing
122 #define LANG_HOOKS_PRINT_IDENTIFIER     lhd_print_tree_nothing
123 #define LANG_HOOKS_PRINT_ERROR_FUNCTION lhd_print_error_function
124 #define LANG_HOOKS_DECL_PRINTABLE_NAME  lhd_decl_printable_name
125 #define LANG_HOOKS_DWARF_NAME           lhd_dwarf_name
126 #define LANG_HOOKS_GET_CALLEE_FNDECL    lhd_return_null_tree
127 #define LANG_HOOKS_EXPR_SIZE            lhd_expr_size
128 #define LANG_HOOKS_TREE_SIZE            lhd_tree_size
129 #define LANG_HOOKS_TYPES_COMPATIBLE_P   lhd_types_compatible_p
130 #define LANG_HOOKS_BUILTIN_FUNCTION     lhd_builtin_function
131 #define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE      lhd_signed_or_unsigned_type
132 #define LANG_HOOKS_EXPR_TO_DECL         lhd_expr_to_decl
133 #define LANG_HOOKS_TO_TARGET_CHARSET    lhd_to_target_charset
134 #define LANG_HOOKS_INIT_TS              lhd_do_nothing
135
136 #define LANG_HOOKS_FUNCTION_INIT        lhd_do_nothing_f
137 #define LANG_HOOKS_FUNCTION_FINAL       lhd_do_nothing_f
138 #define LANG_HOOKS_FUNCTION_ENTER_NESTED lhd_do_nothing_f
139 #define LANG_HOOKS_FUNCTION_LEAVE_NESTED lhd_do_nothing_f
140 #define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P hook_bool_tree_true
141
142 /* Attribute hooks.  */
143 #define LANG_HOOKS_ATTRIBUTE_TABLE              NULL
144 #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE       NULL
145 #define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE       NULL
146
147 /* Tree inlining hooks.  */
148 #define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES lhd_tree_inlining_walk_subtrees
149 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
150   lhd_tree_inlining_cannot_inline_tree_fn
151 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
152   lhd_tree_inlining_disregard_inline_limits
153 #define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
154   lhd_tree_inlining_add_pending_fn_decls
155 #define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
156   lhd_tree_inlining_auto_var_in_fn_p
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 \
160   hook_bool_tree_tree_false
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
168 #define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
169   LANG_HOOKS_TREE_INLINING_WALK_SUBTREES, \
170   LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, \
171   LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, \
172   LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, \
173   LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P, \
174   LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P, \
175   LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P, \
176   LANG_HOOKS_TREE_INLINING_START_INLINING, \
177   LANG_HOOKS_TREE_INLINING_END_INLINING, \
178   LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
179 }
180
181 #define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR lhd_callgraph_analyze_expr
182 #define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION NULL
183
184 #define LANG_HOOKS_CALLGRAPH_INITIALIZER { \
185   LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR, \
186   LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, \
187 }
188
189 #define LANG_HOOKS_FUNCTION_INITIALIZER {       \
190   LANG_HOOKS_FUNCTION_INIT,                     \
191   LANG_HOOKS_FUNCTION_FINAL,                    \
192   LANG_HOOKS_FUNCTION_ENTER_NESTED,             \
193   LANG_HOOKS_FUNCTION_LEAVE_NESTED,             \
194   LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P     \
195 }
196
197 /* Hooks for tree gimplification.  */
198 #define LANG_HOOKS_GIMPLIFY_EXPR lhd_gimplify_expr
199 #define LANG_HOOKS_FOLD_OBJ_TYPE_REF NULL
200
201 /* Tree dump hooks.  */
202 extern bool lhd_tree_dump_dump_tree (void *, tree);
203 extern int lhd_tree_dump_type_quals (tree);
204 extern tree lhd_make_node (enum tree_code);
205
206 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree
207 #define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals
208
209 #define LANG_HOOKS_TREE_DUMP_INITIALIZER { \
210   LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \
211   LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \
212 }
213
214 /* Types hooks.  There are no reasonable defaults for most of them,
215    so we create a compile-time error instead.  */
216 #define LANG_HOOKS_MAKE_TYPE lhd_make_node
217 #define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error
218 #define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to
219 #define LANG_HOOKS_REGISTER_BUILTIN_TYPE lhd_register_builtin_type
220 #define LANG_HOOKS_TYPE_MAX_SIZE        lhd_return_null_tree
221 #define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \
222   lhd_omp_firstprivatize_type_sizes
223 #define LANG_HOOKS_HASH_TYPES           true
224
225 #define LANG_HOOKS_FOR_TYPES_INITIALIZER { \
226   LANG_HOOKS_MAKE_TYPE, \
227   LANG_HOOKS_TYPE_FOR_MODE, \
228   LANG_HOOKS_TYPE_FOR_SIZE, \
229   LANG_HOOKS_UNSIGNED_TYPE, \
230   LANG_HOOKS_SIGNED_TYPE, \
231   LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE, \
232   LANG_HOOKS_TYPE_PROMOTES_TO, \
233   LANG_HOOKS_REGISTER_BUILTIN_TYPE, \
234   LANG_HOOKS_INCOMPLETE_TYPE_ERROR, \
235   LANG_HOOKS_TYPE_MAX_SIZE, \
236   LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES, \
237   LANG_HOOKS_HASH_TYPES \
238 }
239
240 /* Declaration hooks.  */
241 #define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p
242 #define LANG_HOOKS_INSERT_BLOCK insert_block
243 #define LANG_HOOKS_PUSHDECL     pushdecl
244 #define LANG_HOOKS_GETDECLS     getdecls
245 #define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl
246 #define LANG_HOOKS_WRITE_GLOBALS write_global_declarations
247 #define LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE NULL
248 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL  lhd_decl_ok_for_sibcall
249 #define LANG_HOOKS_COMDAT_GROUP lhd_comdat_group
250 #define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE hook_bool_tree_false
251 #define LANG_HOOKS_OMP_PREDETERMINED_SHARING lhd_omp_predetermined_sharing
252 #define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR hook_bool_tree_bool_false
253 #define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE hook_bool_tree_bool_false
254 #define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR hook_tree_tree_tree_null
255 #define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR lhd_omp_assignment
256 #define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP lhd_omp_assignment
257 #define LANG_HOOKS_OMP_CLAUSE_DTOR hook_tree_tree_tree_null
258
259 #define LANG_HOOKS_DECLS { \
260   LANG_HOOKS_GLOBAL_BINDINGS_P, \
261   LANG_HOOKS_INSERT_BLOCK, \
262   LANG_HOOKS_PUSHDECL, \
263   LANG_HOOKS_GETDECLS, \
264   LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \
265   LANG_HOOKS_WRITE_GLOBALS, \
266   LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE, \
267   LANG_HOOKS_DECL_OK_FOR_SIBCALL, \
268   LANG_HOOKS_COMDAT_GROUP, \
269   LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, \
270   LANG_HOOKS_OMP_PREDETERMINED_SHARING, \
271   LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, \
272   LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, \
273   LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, \
274   LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, \
275   LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, \
276   LANG_HOOKS_OMP_CLAUSE_DTOR \
277 }
278
279 /* The whole thing.  The structure is defined in langhooks.h.  */
280 #define LANG_HOOKS_INITIALIZER { \
281   LANG_HOOKS_NAME, \
282   LANG_HOOKS_IDENTIFIER_SIZE, \
283   LANG_HOOKS_TREE_SIZE, \
284   LANG_HOOKS_INIT_OPTIONS, \
285   LANG_HOOKS_INITIALIZE_DIAGNOSTICS, \
286   LANG_HOOKS_HANDLE_OPTION, \
287   LANG_HOOKS_MISSING_ARGUMENT, \
288   LANG_HOOKS_POST_OPTIONS, \
289   LANG_HOOKS_INIT, \
290   LANG_HOOKS_FINISH, \
291   LANG_HOOKS_PARSE_FILE, \
292   LANG_HOOKS_CLEAR_BINDING_STACK, \
293   LANG_HOOKS_GET_ALIAS_SET, \
294   LANG_HOOKS_EXPAND_CONSTANT, \
295   LANG_HOOKS_EXPAND_EXPR, \
296   LANG_HOOKS_EXPAND_DECL, \
297   LANG_HOOKS_FINISH_INCOMPLETE_DECL, \
298   LANG_HOOKS_MARK_ADDRESSABLE, \
299   LANG_HOOKS_STATICP, \
300   LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
301   LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
302   LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS, \
303   LANG_HOOKS_NO_BODY_BLOCKS, \
304   LANG_HOOKS_PRINT_STATISTICS, \
305   LANG_HOOKS_PRINT_XNODE, \
306   LANG_HOOKS_PRINT_DECL, \
307   LANG_HOOKS_PRINT_TYPE, \
308   LANG_HOOKS_PRINT_IDENTIFIER, \
309   LANG_HOOKS_DECL_PRINTABLE_NAME, \
310   LANG_HOOKS_DWARF_NAME, \
311   LANG_HOOKS_TYPES_COMPATIBLE_P, \
312   LANG_HOOKS_GET_CALLEE_FNDECL, \
313   LANG_HOOKS_PRINT_ERROR_FUNCTION, \
314   LANG_HOOKS_EXPR_SIZE, \
315   LANG_HOOKS_TO_TARGET_CHARSET, \
316   LANG_HOOKS_ATTRIBUTE_TABLE, \
317   LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, \
318   LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, \
319   LANG_HOOKS_FUNCTION_INITIALIZER, \
320   LANG_HOOKS_TREE_INLINING_INITIALIZER, \
321   LANG_HOOKS_CALLGRAPH_INITIALIZER, \
322   LANG_HOOKS_TREE_DUMP_INITIALIZER, \
323   LANG_HOOKS_DECLS, \
324   LANG_HOOKS_FOR_TYPES_INITIALIZER, \
325   LANG_HOOKS_GIMPLIFY_EXPR, \
326   LANG_HOOKS_FOLD_OBJ_TYPE_REF, \
327   LANG_HOOKS_BUILTIN_FUNCTION, \
328   LANG_HOOKS_INIT_TS,          \
329   LANG_HOOKS_EXPR_TO_DECL, \
330 }
331
332 #endif /* GCC_LANG_HOOKS_DEF_H */