1/* Default macros to initialize the lang_hooks data structure.
2   Copyright 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
3   Contributed by Alexandre Oliva  <aoliva@redhat.com>
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING.  If not, write to
19the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20Boston, 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
27struct 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.  */
31extern 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
42extern void lhd_do_nothing (void);
43extern void lhd_do_nothing_t (tree);
44extern void lhd_do_nothing_i (int);
45extern void lhd_do_nothing_f (struct function *);
46extern bool lhd_post_options (const char **);
47extern HOST_WIDE_INT lhd_get_alias_set (tree);
48extern tree lhd_return_tree (tree);
49extern tree lhd_return_null_tree_v (void);
50extern tree lhd_return_null_tree (tree);
51extern tree lhd_do_nothing_iii_return_null_tree (int, int, int);
52extern int lhd_safe_from_p (rtx, tree);
53extern tree lhd_staticp (tree);
54extern void lhd_print_tree_nothing (FILE *, tree, int);
55extern const char *lhd_decl_printable_name (tree, int);
56extern const char *lhd_dwarf_name (tree, int);
57extern int lhd_types_compatible_p (tree, tree);
58extern rtx lhd_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
59extern int lhd_expand_decl (tree);
60extern void lhd_print_error_function (struct diagnostic_context *,
61				      const char *);
62extern void lhd_set_decl_assembler_name (tree);
63extern bool lhd_can_use_bit_fields_p (void);
64extern bool lhd_warn_unused_global_decl (tree);
65extern void lhd_incomplete_type_error (tree, tree);
66extern tree lhd_type_promotes_to (tree);
67extern void lhd_register_builtin_type (tree, const char *);
68extern bool lhd_decl_ok_for_sibcall (tree);
69extern const char *lhd_comdat_group (tree);
70extern tree lhd_expr_size (tree);
71extern size_t lhd_tree_size (enum tree_code);
72extern HOST_WIDE_INT lhd_to_target_charset (HOST_WIDE_INT);
73extern tree lhd_expr_to_decl (tree, bool *, bool *, bool *);
74
75/* Declarations of default tree inlining hooks.  */
76extern tree lhd_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
77					     void *, struct pointer_set_t*);
78extern int lhd_tree_inlining_cannot_inline_tree_fn (tree *);
79extern int lhd_tree_inlining_disregard_inline_limits (tree);
80extern tree lhd_tree_inlining_add_pending_fn_decls (void *, tree);
81extern int lhd_tree_inlining_auto_var_in_fn_p (tree, tree);
82extern int lhd_tree_inlining_anon_aggr_type_p (tree);
83extern int lhd_tree_inlining_start_inlining (tree);
84extern void lhd_tree_inlining_end_inlining (tree);
85extern tree lhd_tree_inlining_convert_parm_for_inlining (tree, tree, tree, int);
86extern void lhd_initialize_diagnostics (struct diagnostic_context *);
87extern tree lhd_callgraph_analyze_expr (tree *, int *, tree);
88
89
90/* Declarations for tree gimplification hooks.  */
91extern int lhd_gimplify_expr (tree *, tree *, tree *);
92extern enum omp_clause_default_kind lhd_omp_predetermined_sharing (tree);
93extern tree lhd_omp_assignment (tree, tree, tree);
94struct gimplify_omp_ctx;
95extern void lhd_omp_firstprivatize_type_sizes (struct gimplify_omp_ctx *,
96					       tree);
97
98#define LANG_HOOKS_NAME			"GNU unknown"
99#define LANG_HOOKS_IDENTIFIER_SIZE	sizeof (struct lang_identifier)
100#define LANG_HOOKS_INIT			hook_bool_void_false
101#define LANG_HOOKS_FINISH		lhd_do_nothing
102#define LANG_HOOKS_PARSE_FILE		lhd_do_nothing_i
103#define LANG_HOOKS_CLEAR_BINDING_STACK	lhd_do_nothing
104#define LANG_HOOKS_INIT_OPTIONS		hook_uint_uint_constcharptrptr_0
105#define LANG_HOOKS_INITIALIZE_DIAGNOSTICS lhd_initialize_diagnostics
106#define LANG_HOOKS_HANDLE_OPTION	hook_int_size_t_constcharptr_int_0
107#define LANG_HOOKS_MISSING_ARGUMENT	hook_bool_constcharptr_size_t_false
108#define LANG_HOOKS_POST_OPTIONS		lhd_post_options
109#define LANG_HOOKS_GET_ALIAS_SET	lhd_get_alias_set
110#define LANG_HOOKS_EXPAND_CONSTANT	lhd_return_tree
111#define LANG_HOOKS_EXPAND_EXPR		lhd_expand_expr
112#define LANG_HOOKS_EXPAND_DECL		lhd_expand_decl
113#define LANG_HOOKS_SAFE_FROM_P		lhd_safe_from_p
114#define LANG_HOOKS_FINISH_INCOMPLETE_DECL lhd_do_nothing_t
115#define LANG_HOOKS_STATICP		lhd_staticp
116#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
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_REDUCE_BIT_FIELD_OPERATIONS 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_DWARF_NAME		lhd_dwarf_name
129#define LANG_HOOKS_GET_CALLEE_FNDECL	lhd_return_null_tree
130#define LANG_HOOKS_EXPR_SIZE		lhd_expr_size
131#define LANG_HOOKS_TREE_SIZE		lhd_tree_size
132#define LANG_HOOKS_TYPES_COMPATIBLE_P	lhd_types_compatible_p
133#define LANG_HOOKS_BUILTIN_FUNCTION	builtin_function
134#define LANG_HOOKS_EXPR_TO_DECL		lhd_expr_to_decl
135#define LANG_HOOKS_TO_TARGET_CHARSET	lhd_to_target_charset
136#define LANG_HOOKS_INIT_TS		lhd_do_nothing
137
138#define LANG_HOOKS_FUNCTION_INIT	lhd_do_nothing_f
139#define LANG_HOOKS_FUNCTION_FINAL	lhd_do_nothing_f
140#define LANG_HOOKS_FUNCTION_ENTER_NESTED lhd_do_nothing_f
141#define LANG_HOOKS_FUNCTION_LEAVE_NESTED lhd_do_nothing_f
142#define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P hook_bool_tree_true
143
144/* Attribute hooks.  */
145#define LANG_HOOKS_ATTRIBUTE_TABLE		NULL
146#define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE	NULL
147#define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE	NULL
148
149/* Tree inlining hooks.  */
150#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES lhd_tree_inlining_walk_subtrees
151#define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
152  lhd_tree_inlining_cannot_inline_tree_fn
153#define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
154  lhd_tree_inlining_disregard_inline_limits
155#define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
156  lhd_tree_inlining_add_pending_fn_decls
157#define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
158  lhd_tree_inlining_auto_var_in_fn_p
159#define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
160  lhd_tree_inlining_anon_aggr_type_p
161#define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P \
162  hook_bool_tree_tree_false
163#define LANG_HOOKS_TREE_INLINING_START_INLINING \
164  lhd_tree_inlining_start_inlining
165#define LANG_HOOKS_TREE_INLINING_END_INLINING \
166  lhd_tree_inlining_end_inlining
167#define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
168  lhd_tree_inlining_convert_parm_for_inlining
169
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_ANON_AGGR_TYPE_P, \
177  LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P, \
178  LANG_HOOKS_TREE_INLINING_START_INLINING, \
179  LANG_HOOKS_TREE_INLINING_END_INLINING, \
180  LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
181}
182
183#define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR lhd_callgraph_analyze_expr
184#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION NULL
185
186#define LANG_HOOKS_CALLGRAPH_INITIALIZER { \
187  LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR, \
188  LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, \
189}
190
191#define LANG_HOOKS_FUNCTION_INITIALIZER {	\
192  LANG_HOOKS_FUNCTION_INIT,			\
193  LANG_HOOKS_FUNCTION_FINAL,			\
194  LANG_HOOKS_FUNCTION_ENTER_NESTED,		\
195  LANG_HOOKS_FUNCTION_LEAVE_NESTED,		\
196  LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P	\
197}
198
199/* Hooks for tree gimplification.  */
200#define LANG_HOOKS_GIMPLIFY_EXPR lhd_gimplify_expr
201#define LANG_HOOKS_FOLD_OBJ_TYPE_REF NULL
202
203/* Tree dump hooks.  */
204extern bool lhd_tree_dump_dump_tree (void *, tree);
205extern int lhd_tree_dump_type_quals (tree);
206extern tree lhd_make_node (enum tree_code);
207
208#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree
209#define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals
210
211#define LANG_HOOKS_TREE_DUMP_INITIALIZER { \
212  LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \
213  LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \
214}
215
216/* Types hooks.  There are no reasonable defaults for most of them,
217   so we create a compile-time error instead.  */
218#define LANG_HOOKS_MAKE_TYPE lhd_make_node
219#define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error
220#define LANG_HOOKS_GENERIC_TYPE_P	hook_bool_tree_false
221#define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to
222#define LANG_HOOKS_REGISTER_BUILTIN_TYPE lhd_register_builtin_type
223#define LANG_HOOKS_TYPE_MAX_SIZE	lhd_return_null_tree
224#define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \
225  lhd_omp_firstprivatize_type_sizes
226#define LANG_HOOKS_HASH_TYPES		true
227
228#define LANG_HOOKS_FOR_TYPES_INITIALIZER { \
229  LANG_HOOKS_MAKE_TYPE, \
230  LANG_HOOKS_TYPE_FOR_MODE, \
231  LANG_HOOKS_TYPE_FOR_SIZE, \
232  LANG_HOOKS_UNSIGNED_TYPE, \
233  LANG_HOOKS_SIGNED_TYPE, \
234  LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE, \
235  LANG_HOOKS_GENERIC_TYPE_P, \
236  LANG_HOOKS_TYPE_PROMOTES_TO, \
237  LANG_HOOKS_REGISTER_BUILTIN_TYPE, \
238  LANG_HOOKS_INCOMPLETE_TYPE_ERROR, \
239  LANG_HOOKS_TYPE_MAX_SIZE, \
240  LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES, \
241  LANG_HOOKS_HASH_TYPES \
242}
243
244/* Declaration hooks.  */
245#define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p
246#define LANG_HOOKS_INSERT_BLOCK	insert_block
247#define LANG_HOOKS_PUSHDECL	pushdecl
248#define LANG_HOOKS_GETDECLS	getdecls
249#define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl
250#define LANG_HOOKS_WRITE_GLOBALS write_global_declarations
251#define LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE NULL
252#define LANG_HOOKS_DECL_OK_FOR_SIBCALL	lhd_decl_ok_for_sibcall
253#define LANG_HOOKS_COMDAT_GROUP lhd_comdat_group
254#define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE hook_bool_tree_false
255#define LANG_HOOKS_OMP_PREDETERMINED_SHARING lhd_omp_predetermined_sharing
256#define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR hook_bool_tree_bool_false
257#define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE hook_bool_tree_bool_false
258#define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR hook_tree_tree_tree_null
259#define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR lhd_omp_assignment
260#define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP lhd_omp_assignment
261#define LANG_HOOKS_OMP_CLAUSE_DTOR hook_tree_tree_tree_null
262
263#define LANG_HOOKS_DECLS { \
264  LANG_HOOKS_GLOBAL_BINDINGS_P, \
265  LANG_HOOKS_INSERT_BLOCK, \
266  LANG_HOOKS_PUSHDECL, \
267  LANG_HOOKS_GETDECLS, \
268  LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \
269  LANG_HOOKS_WRITE_GLOBALS, \
270  LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE, \
271  LANG_HOOKS_DECL_OK_FOR_SIBCALL, \
272  LANG_HOOKS_COMDAT_GROUP, \
273  LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, \
274  LANG_HOOKS_OMP_PREDETERMINED_SHARING, \
275  LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, \
276  LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, \
277  LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, \
278  LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, \
279  LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, \
280  LANG_HOOKS_OMP_CLAUSE_DTOR \
281}
282
283/* The whole thing.  The structure is defined in langhooks.h.  */
284#define LANG_HOOKS_INITIALIZER { \
285  LANG_HOOKS_NAME, \
286  LANG_HOOKS_IDENTIFIER_SIZE, \
287  LANG_HOOKS_TREE_SIZE, \
288  LANG_HOOKS_INIT_OPTIONS, \
289  LANG_HOOKS_INITIALIZE_DIAGNOSTICS, \
290  LANG_HOOKS_HANDLE_OPTION, \
291  LANG_HOOKS_MISSING_ARGUMENT, \
292  LANG_HOOKS_POST_OPTIONS, \
293  LANG_HOOKS_INIT, \
294  LANG_HOOKS_FINISH, \
295  LANG_HOOKS_PARSE_FILE, \
296  LANG_HOOKS_CLEAR_BINDING_STACK, \
297  LANG_HOOKS_GET_ALIAS_SET, \
298  LANG_HOOKS_EXPAND_CONSTANT, \
299  LANG_HOOKS_EXPAND_EXPR, \
300  LANG_HOOKS_EXPAND_DECL, \
301  LANG_HOOKS_SAFE_FROM_P, \
302  LANG_HOOKS_FINISH_INCOMPLETE_DECL, \
303  LANG_HOOKS_MARK_ADDRESSABLE, \
304  LANG_HOOKS_STATICP, \
305  LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
306  LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
307  LANG_HOOKS_CAN_USE_BIT_FIELDS_P, \
308  LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS, \
309  LANG_HOOKS_NO_BODY_BLOCKS, \
310  LANG_HOOKS_PRINT_STATISTICS, \
311  LANG_HOOKS_PRINT_XNODE, \
312  LANG_HOOKS_PRINT_DECL, \
313  LANG_HOOKS_PRINT_TYPE, \
314  LANG_HOOKS_PRINT_IDENTIFIER, \
315  LANG_HOOKS_DECL_PRINTABLE_NAME, \
316  LANG_HOOKS_DWARF_NAME, \
317  LANG_HOOKS_TYPES_COMPATIBLE_P, \
318  LANG_HOOKS_GET_CALLEE_FNDECL, \
319  LANG_HOOKS_PRINT_ERROR_FUNCTION, \
320  LANG_HOOKS_EXPR_SIZE, \
321  LANG_HOOKS_TO_TARGET_CHARSET, \
322  LANG_HOOKS_ATTRIBUTE_TABLE, \
323  LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, \
324  LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, \
325  LANG_HOOKS_FUNCTION_INITIALIZER, \
326  LANG_HOOKS_TREE_INLINING_INITIALIZER, \
327  LANG_HOOKS_CALLGRAPH_INITIALIZER, \
328  LANG_HOOKS_TREE_DUMP_INITIALIZER, \
329  LANG_HOOKS_DECLS, \
330  LANG_HOOKS_FOR_TYPES_INITIALIZER, \
331  LANG_HOOKS_GIMPLIFY_EXPR, \
332  LANG_HOOKS_FOLD_OBJ_TYPE_REF, \
333  LANG_HOOKS_BUILTIN_FUNCTION, \
334  LANG_HOOKS_INIT_TS,          \
335  LANG_HOOKS_EXPR_TO_DECL, \
336}
337
338#endif /* GCC_LANG_HOOKS_DEF_H */
339