1/* Default macros to initialize the lang_hooks data structure.
2   Copyright 2001, 2002, 2003, 2004, 2005 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 int lhd_types_compatible_p (tree, tree);
57extern rtx lhd_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
58extern int lhd_expand_decl (tree);
59extern void lhd_print_error_function (struct diagnostic_context *,
60				      const char *);
61extern void lhd_set_decl_assembler_name (tree);
62extern bool lhd_can_use_bit_fields_p (void);
63extern bool lhd_warn_unused_global_decl (tree);
64extern void lhd_incomplete_type_error (tree, tree);
65extern tree lhd_type_promotes_to (tree);
66extern void lhd_register_builtin_type (tree, const char *);
67extern bool lhd_decl_ok_for_sibcall (tree);
68extern const char *lhd_comdat_group (tree);
69extern tree lhd_expr_size (tree);
70extern size_t lhd_tree_size (enum tree_code);
71extern HOST_WIDE_INT lhd_to_target_charset (HOST_WIDE_INT);
72extern tree lhd_expr_to_decl (tree, bool *, bool *, bool *);
73
74/* Declarations of default tree inlining hooks.  */
75extern tree lhd_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
76					     void *, struct pointer_set_t*);
77extern int lhd_tree_inlining_cannot_inline_tree_fn (tree *);
78extern int lhd_tree_inlining_disregard_inline_limits (tree);
79extern tree lhd_tree_inlining_add_pending_fn_decls (void *, tree);
80extern int lhd_tree_inlining_auto_var_in_fn_p (tree, tree);
81extern int lhd_tree_inlining_anon_aggr_type_p (tree);
82extern int lhd_tree_inlining_start_inlining (tree);
83extern void lhd_tree_inlining_end_inlining (tree);
84extern tree lhd_tree_inlining_convert_parm_for_inlining (tree, tree, tree, int);
85extern void lhd_initialize_diagnostics (struct diagnostic_context *);
86extern tree lhd_callgraph_analyze_expr (tree *, int *, tree);
87
88
89/* Declarations for tree gimplification hooks.  */
90extern int lhd_gimplify_expr (tree *, tree *, tree *);
91
92#define LANG_HOOKS_NAME			"GNU unknown"
93#define LANG_HOOKS_IDENTIFIER_SIZE	sizeof (struct lang_identifier)
94#define LANG_HOOKS_INIT			hook_bool_void_false
95#define LANG_HOOKS_FINISH		lhd_do_nothing
96#define LANG_HOOKS_PARSE_FILE		lhd_do_nothing_i
97#define LANG_HOOKS_CLEAR_BINDING_STACK	lhd_do_nothing
98#define LANG_HOOKS_INIT_OPTIONS		hook_uint_uint_constcharptrptr_0
99#define LANG_HOOKS_INITIALIZE_DIAGNOSTICS lhd_initialize_diagnostics
100#define LANG_HOOKS_HANDLE_OPTION	hook_int_size_t_constcharptr_int_0
101#define LANG_HOOKS_MISSING_ARGUMENT	hook_bool_constcharptr_size_t_false
102#define LANG_HOOKS_POST_OPTIONS		lhd_post_options
103#define LANG_HOOKS_GET_ALIAS_SET	lhd_get_alias_set
104#define LANG_HOOKS_EXPAND_CONSTANT	lhd_return_tree
105#define LANG_HOOKS_EXPAND_EXPR		lhd_expand_expr
106#define LANG_HOOKS_EXPAND_DECL		lhd_expand_decl
107#define LANG_HOOKS_SAFE_FROM_P		lhd_safe_from_p
108#define LANG_HOOKS_FINISH_INCOMPLETE_DECL lhd_do_nothing_t
109#define LANG_HOOKS_STATICP		lhd_staticp
110#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
111#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name
112#define LANG_HOOKS_CAN_USE_BIT_FIELDS_P lhd_can_use_bit_fields_p
113#define LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS false
114#define LANG_HOOKS_NO_BODY_BLOCKS	false
115#define LANG_HOOKS_PRINT_STATISTICS	lhd_do_nothing
116#define LANG_HOOKS_PRINT_XNODE		lhd_print_tree_nothing
117#define LANG_HOOKS_PRINT_DECL		lhd_print_tree_nothing
118#define LANG_HOOKS_PRINT_TYPE		lhd_print_tree_nothing
119#define LANG_HOOKS_PRINT_IDENTIFIER	lhd_print_tree_nothing
120#define LANG_HOOKS_PRINT_ERROR_FUNCTION lhd_print_error_function
121#define LANG_HOOKS_DECL_PRINTABLE_NAME	lhd_decl_printable_name
122#define LANG_HOOKS_GET_CALLEE_FNDECL	lhd_return_null_tree
123#define LANG_HOOKS_EXPR_SIZE		lhd_expr_size
124#define LANG_HOOKS_TREE_SIZE		lhd_tree_size
125#define LANG_HOOKS_TYPES_COMPATIBLE_P	lhd_types_compatible_p
126#define LANG_HOOKS_BUILTIN_FUNCTION	builtin_function
127#define LANG_HOOKS_EXPR_TO_DECL		lhd_expr_to_decl
128#define LANG_HOOKS_TO_TARGET_CHARSET	lhd_to_target_charset
129#define LANG_HOOKS_INIT_TS		lhd_do_nothing
130
131#define LANG_HOOKS_FUNCTION_INIT	lhd_do_nothing_f
132#define LANG_HOOKS_FUNCTION_FINAL	lhd_do_nothing_f
133#define LANG_HOOKS_FUNCTION_ENTER_NESTED lhd_do_nothing_f
134#define LANG_HOOKS_FUNCTION_LEAVE_NESTED lhd_do_nothing_f
135#define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P hook_bool_tree_true
136
137/* Attribute hooks.  */
138#define LANG_HOOKS_ATTRIBUTE_TABLE		NULL
139#define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE	NULL
140#define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE	NULL
141
142/* Tree inlining hooks.  */
143#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES lhd_tree_inlining_walk_subtrees
144#define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
145  lhd_tree_inlining_cannot_inline_tree_fn
146#define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
147  lhd_tree_inlining_disregard_inline_limits
148#define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
149  lhd_tree_inlining_add_pending_fn_decls
150#define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
151  lhd_tree_inlining_auto_var_in_fn_p
152#define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
153  lhd_tree_inlining_anon_aggr_type_p
154#define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P \
155  hook_bool_tree_tree_false
156#define LANG_HOOKS_TREE_INLINING_START_INLINING \
157  lhd_tree_inlining_start_inlining
158#define LANG_HOOKS_TREE_INLINING_END_INLINING \
159  lhd_tree_inlining_end_inlining
160#define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
161  lhd_tree_inlining_convert_parm_for_inlining
162
163#define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
164  LANG_HOOKS_TREE_INLINING_WALK_SUBTREES, \
165  LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, \
166  LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, \
167  LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, \
168  LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P, \
169  LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P, \
170  LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P, \
171  LANG_HOOKS_TREE_INLINING_START_INLINING, \
172  LANG_HOOKS_TREE_INLINING_END_INLINING, \
173  LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
174}
175
176#define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR lhd_callgraph_analyze_expr
177#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION NULL
178
179#define LANG_HOOKS_CALLGRAPH_INITIALIZER { \
180  LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR, \
181  LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, \
182}
183
184#define LANG_HOOKS_FUNCTION_INITIALIZER {	\
185  LANG_HOOKS_FUNCTION_INIT,			\
186  LANG_HOOKS_FUNCTION_FINAL,			\
187  LANG_HOOKS_FUNCTION_ENTER_NESTED,		\
188  LANG_HOOKS_FUNCTION_LEAVE_NESTED,		\
189  LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P	\
190}
191
192/* Hooks for tree gimplification.  */
193#define LANG_HOOKS_GIMPLIFY_EXPR lhd_gimplify_expr
194#define LANG_HOOKS_FOLD_OBJ_TYPE_REF NULL
195
196/* Tree dump hooks.  */
197extern bool lhd_tree_dump_dump_tree (void *, tree);
198extern int lhd_tree_dump_type_quals (tree);
199extern tree lhd_make_node (enum tree_code);
200
201#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree
202#define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals
203
204#define LANG_HOOKS_TREE_DUMP_INITIALIZER { \
205  LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \
206  LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \
207}
208
209/* Types hooks.  There are no reasonable defaults for most of them,
210   so we create a compile-time error instead.  */
211#define LANG_HOOKS_MAKE_TYPE lhd_make_node
212#define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error
213#define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to
214#define LANG_HOOKS_REGISTER_BUILTIN_TYPE lhd_register_builtin_type
215#define LANG_HOOKS_TYPE_MAX_SIZE	lhd_return_null_tree
216#define LANG_HOOKS_HASH_TYPES		true
217
218#define LANG_HOOKS_FOR_TYPES_INITIALIZER { \
219  LANG_HOOKS_MAKE_TYPE, \
220  LANG_HOOKS_TYPE_FOR_MODE, \
221  LANG_HOOKS_TYPE_FOR_SIZE, \
222  LANG_HOOKS_UNSIGNED_TYPE, \
223  LANG_HOOKS_SIGNED_TYPE, \
224  LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE, \
225  LANG_HOOKS_TYPE_PROMOTES_TO, \
226  LANG_HOOKS_REGISTER_BUILTIN_TYPE, \
227  LANG_HOOKS_INCOMPLETE_TYPE_ERROR, \
228  LANG_HOOKS_TYPE_MAX_SIZE, \
229  LANG_HOOKS_HASH_TYPES \
230}
231
232/* Declaration hooks.  */
233#define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p
234#define LANG_HOOKS_INSERT_BLOCK	insert_block
235#define LANG_HOOKS_PUSHDECL	pushdecl
236#define LANG_HOOKS_GETDECLS	getdecls
237#define LANG_HOOKS_LOOKUP_NAME	lhd_return_null_tree
238#define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl
239#define LANG_HOOKS_WRITE_GLOBALS write_global_declarations
240#define LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE NULL
241#define LANG_HOOKS_DECL_OK_FOR_SIBCALL	lhd_decl_ok_for_sibcall
242#define LANG_HOOKS_COMDAT_GROUP lhd_comdat_group
243
244#define LANG_HOOKS_DECLS { \
245  LANG_HOOKS_GLOBAL_BINDINGS_P, \
246  LANG_HOOKS_INSERT_BLOCK, \
247  LANG_HOOKS_PUSHDECL, \
248  LANG_HOOKS_GETDECLS, \
249  LANG_HOOKS_LOOKUP_NAME, \
250  LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \
251  LANG_HOOKS_WRITE_GLOBALS, \
252  LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE, \
253  LANG_HOOKS_DECL_OK_FOR_SIBCALL, \
254  LANG_HOOKS_COMDAT_GROUP \
255}
256
257/* The whole thing.  The structure is defined in langhooks.h.  */
258#define LANG_HOOKS_INITIALIZER { \
259  LANG_HOOKS_NAME, \
260  LANG_HOOKS_IDENTIFIER_SIZE, \
261  LANG_HOOKS_TREE_SIZE, \
262  LANG_HOOKS_INIT_OPTIONS, \
263  LANG_HOOKS_INITIALIZE_DIAGNOSTICS, \
264  LANG_HOOKS_HANDLE_OPTION, \
265  LANG_HOOKS_MISSING_ARGUMENT, \
266  LANG_HOOKS_POST_OPTIONS, \
267  LANG_HOOKS_INIT, \
268  LANG_HOOKS_FINISH, \
269  LANG_HOOKS_PARSE_FILE, \
270  LANG_HOOKS_CLEAR_BINDING_STACK, \
271  LANG_HOOKS_GET_ALIAS_SET, \
272  LANG_HOOKS_EXPAND_CONSTANT, \
273  LANG_HOOKS_EXPAND_EXPR, \
274  LANG_HOOKS_EXPAND_DECL, \
275  LANG_HOOKS_SAFE_FROM_P, \
276  LANG_HOOKS_FINISH_INCOMPLETE_DECL, \
277  LANG_HOOKS_MARK_ADDRESSABLE, \
278  LANG_HOOKS_STATICP, \
279  LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
280  LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
281  LANG_HOOKS_CAN_USE_BIT_FIELDS_P, \
282  LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS, \
283  LANG_HOOKS_NO_BODY_BLOCKS, \
284  LANG_HOOKS_PRINT_STATISTICS, \
285  LANG_HOOKS_PRINT_XNODE, \
286  LANG_HOOKS_PRINT_DECL, \
287  LANG_HOOKS_PRINT_TYPE, \
288  LANG_HOOKS_PRINT_IDENTIFIER, \
289  LANG_HOOKS_DECL_PRINTABLE_NAME, \
290  LANG_HOOKS_TYPES_COMPATIBLE_P, \
291  LANG_HOOKS_GET_CALLEE_FNDECL, \
292  LANG_HOOKS_PRINT_ERROR_FUNCTION, \
293  LANG_HOOKS_EXPR_SIZE, \
294  LANG_HOOKS_TO_TARGET_CHARSET, \
295  LANG_HOOKS_ATTRIBUTE_TABLE, \
296  LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, \
297  LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, \
298  LANG_HOOKS_FUNCTION_INITIALIZER, \
299  LANG_HOOKS_TREE_INLINING_INITIALIZER, \
300  LANG_HOOKS_CALLGRAPH_INITIALIZER, \
301  LANG_HOOKS_TREE_DUMP_INITIALIZER, \
302  LANG_HOOKS_DECLS, \
303  LANG_HOOKS_FOR_TYPES_INITIALIZER, \
304  LANG_HOOKS_GIMPLIFY_EXPR, \
305  LANG_HOOKS_FOLD_OBJ_TYPE_REF, \
306  LANG_HOOKS_BUILTIN_FUNCTION, \
307  LANG_HOOKS_INIT_TS,          \
308  LANG_HOOKS_EXPR_TO_DECL, \
309}
310
311#endif /* GCC_LANG_HOOKS_DEF_H */
312