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 3, 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 COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_LANG_HOOKS_DEF_H
  22 #define GCC_LANG_HOOKS_DEF_H
  23
  24 #include "hooks.h"
  25
  26 struct diagnostic_context;
  27
  28 /* Note to creators of new hooks:
  29
  30    The macros in this file should NOT be surrounded by a
  31    #ifdef...#endif pair, since this file declares the defaults.  Each
  32    front end overrides any hooks it wishes to, in the file containing
  33    its struct lang_hooks, AFTER including this file.  */
  34
  35 /* See langhooks.h for the definition and documentation of each hook.  */
  36
  37 extern void lhd_do_nothing (void);
  38 extern void lhd_do_nothing_t (tree);
  39 extern void lhd_do_nothing_i (int);
  40 extern void lhd_do_nothing_f (struct function *);
  41 extern bool lhd_post_options (const char **);
  42 extern HOST_WIDE_INT lhd_get_alias_set (tree);
  43 extern tree lhd_return_tree (tree);
  44 extern tree lhd_return_null_tree_v (void);
  45 extern tree lhd_return_null_tree (tree);
  46 extern tree lhd_do_nothing_iii_return_null_tree (int, int, int);
  47 extern tree lhd_staticp (tree);
  48 extern void lhd_print_tree_nothing (FILE *, tree, int);
  49 extern const char *lhd_decl_printable_name (tree, int);
  50 extern const char *lhd_dwarf_name (tree, int);
  51 extern int lhd_types_compatible_p (tree, tree);
  52 extern rtx lhd_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
  53 extern int lhd_expand_decl (tree);
  54 extern void lhd_print_error_function (struct diagnostic_context *,
  55                                       const char *);
  56 extern void lhd_set_decl_assembler_name (tree);
  57 extern bool lhd_warn_unused_global_decl (tree);
  58 extern void lhd_incomplete_type_error (tree, tree);
  59 extern tree lhd_type_promotes_to (tree);
  60 extern void lhd_register_builtin_type (tree, const char *);
  61 extern bool lhd_decl_ok_for_sibcall (tree);
  62 extern const char *lhd_comdat_group (tree);
  63 extern tree lhd_expr_size (tree);
  64 extern size_t lhd_tree_size (enum tree_code);
  65 extern HOST_WIDE_INT lhd_to_target_charset (HOST_WIDE_INT);
  66 extern tree lhd_expr_to_decl (tree, bool *, bool *, bool *);
  67 extern tree lhd_builtin_function (tree decl);
  68
  69 /* Declarations of default tree inlining hooks.  */
  70 extern tree lhd_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
  71                                              void *, struct pointer_set_t*);
  72 extern int lhd_tree_inlining_cannot_inline_tree_fn (tree *);
  73 extern int lhd_tree_inlining_disregard_inline_limits (tree);
  74 extern int lhd_tree_inlining_auto_var_in_fn_p (tree, tree);
  75 extern void lhd_initialize_diagnostics (struct diagnostic_context *);
  76 extern tree lhd_callgraph_analyze_expr (tree *, int *, tree);
  77
  78
  79 /* Declarations for tree gimplification hooks.  */
  80 extern int lhd_gimplify_expr (tree *, tree *, tree *);
  81 extern enum omp_clause_default_kind lhd_omp_predetermined_sharing (tree);
  82 extern tree lhd_omp_assignment (tree, tree, tree);
  83 struct gimplify_omp_ctx;
  84 extern void lhd_omp_firstprivatize_type_sizes (struct gimplify_omp_ctx *,
  85                                                tree);
  86
  87 #define LANG_HOOKS_NAME                 "GNU unknown"
  88 #define LANG_HOOKS_IDENTIFIER_SIZE      sizeof (struct lang_identifier)
  89 #define LANG_HOOKS_INIT                 hook_bool_void_false
  90 #define LANG_HOOKS_FINISH               lhd_do_nothing
  91 #define LANG_HOOKS_PARSE_FILE           lhd_do_nothing_i
  92 #define LANG_HOOKS_CLEAR_BINDING_STACK  lhd_do_nothing
  93 #define LANG_HOOKS_INIT_OPTIONS         hook_uint_uint_constcharptrptr_0
  94 #define LANG_HOOKS_INITIALIZE_DIAGNOSTICS lhd_initialize_diagnostics
  95 #define LANG_HOOKS_HANDLE_OPTION        hook_int_size_t_constcharptr_int_0
  96 #define LANG_HOOKS_MISSING_ARGUMENT     hook_bool_constcharptr_size_t_false
  97 #define LANG_HOOKS_POST_OPTIONS         lhd_post_options
  98 #define LANG_HOOKS_GET_ALIAS_SET        lhd_get_alias_set
  99 #define LANG_HOOKS_EXPAND_CONSTANT      lhd_return_tree
 100 #define LANG_HOOKS_EXPAND_EXPR          lhd_expand_expr
 101 #define LANG_HOOKS_EXPAND_DECL          lhd_expand_decl
 102 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL lhd_do_nothing_t
 103 #define LANG_HOOKS_STATICP              lhd_staticp
 104 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
 105 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name
 106 #define LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS false
 107 #define LANG_HOOKS_NO_BODY_BLOCKS       false
 108 #define LANG_HOOKS_PRINT_STATISTICS     lhd_do_nothing
 109 #define LANG_HOOKS_PRINT_XNODE          lhd_print_tree_nothing
 110 #define LANG_HOOKS_PRINT_DECL           lhd_print_tree_nothing
 111 #define LANG_HOOKS_PRINT_TYPE           lhd_print_tree_nothing
 112 #define LANG_HOOKS_PRINT_IDENTIFIER     lhd_print_tree_nothing
 113 #define LANG_HOOKS_PRINT_ERROR_FUNCTION lhd_print_error_function
 114 #define LANG_HOOKS_DECL_PRINTABLE_NAME  lhd_decl_printable_name
 115 #define LANG_HOOKS_DWARF_NAME           lhd_dwarf_name
 116 #define LANG_HOOKS_GET_CALLEE_FNDECL    lhd_return_null_tree
 117 #define LANG_HOOKS_EXPR_SIZE            lhd_expr_size
 118 #define LANG_HOOKS_TREE_SIZE            lhd_tree_size
 119 #define LANG_HOOKS_TYPES_COMPATIBLE_P   lhd_types_compatible_p
 120 #define LANG_HOOKS_BUILTIN_FUNCTION     lhd_builtin_function
 121 #define LANG_HOOKS_EXPR_TO_DECL         lhd_expr_to_decl
 122 #define LANG_HOOKS_TO_TARGET_CHARSET    lhd_to_target_charset
 123 #define LANG_HOOKS_INIT_TS              lhd_do_nothing
 124
 125 #define LANG_HOOKS_FUNCTION_INIT        lhd_do_nothing_f
 126 #define LANG_HOOKS_FUNCTION_FINAL       lhd_do_nothing_f
 127 #define LANG_HOOKS_FUNCTION_ENTER_NESTED lhd_do_nothing_f
 128 #define LANG_HOOKS_FUNCTION_LEAVE_NESTED lhd_do_nothing_f
 129 #define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P hook_bool_tree_true
 130
 131 /* Attribute hooks.  */
 132 #define LANG_HOOKS_ATTRIBUTE_TABLE              NULL
 133 #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE       NULL
 134 #define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE       NULL
 135
 136 /* Tree inlining hooks.  */
 137 #define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES lhd_tree_inlining_walk_subtrees
 138 #define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
 139   lhd_tree_inlining_cannot_inline_tree_fn
 140 #define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
 141   lhd_tree_inlining_disregard_inline_limits
 142 #define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
 143   lhd_tree_inlining_auto_var_in_fn_p
 144 #define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P \
 145   hook_bool_tree_tree_false
 146
 147 #define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
 148   LANG_HOOKS_TREE_INLINING_WALK_SUBTREES, \
 149   LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, \
 150   LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, \
 151   LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P, \
 152   LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P, \
 153 }
 154
 155 #define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR lhd_callgraph_analyze_expr
 156 #define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION NULL
 157
 158 #define LANG_HOOKS_CALLGRAPH_INITIALIZER { \
 159   LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR, \
 160   LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, \
 161 }
 162
 163 #define LANG_HOOKS_FUNCTION_INITIALIZER {       \
 164   LANG_HOOKS_FUNCTION_INIT,                     \
 165   LANG_HOOKS_FUNCTION_FINAL,                    \
 166   LANG_HOOKS_FUNCTION_ENTER_NESTED,             \
 167   LANG_HOOKS_FUNCTION_LEAVE_NESTED,             \
 168   LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P     \
 169 }
 170
 171 /* Hooks for tree gimplification.  */
 172 #define LANG_HOOKS_GIMPLIFY_EXPR lhd_gimplify_expr
 173 #define LANG_HOOKS_FOLD_OBJ_TYPE_REF NULL
 174
 175 /* Tree dump hooks.  */
 176 extern bool lhd_tree_dump_dump_tree (void *, tree);
 177 extern int lhd_tree_dump_type_quals (tree);
 178 extern tree lhd_make_node (enum tree_code);
 179
 180 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree
 181 #define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals
 182
 183 #define LANG_HOOKS_TREE_DUMP_INITIALIZER { \
 184   LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \
 185   LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \
 186 }
 187
 188 /* Types hooks.  There are no reasonable defaults for most of them,
 189    so we create a compile-time error instead.  */
 190 #define LANG_HOOKS_MAKE_TYPE lhd_make_node
 191 #define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error
 192 #define LANG_HOOKS_GENERIC_TYPE_P       hook_bool_tree_false
 193 #define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to
 194 #define LANG_HOOKS_REGISTER_BUILTIN_TYPE lhd_register_builtin_type
 195 #define LANG_HOOKS_TYPE_MAX_SIZE        lhd_return_null_tree
 196 #define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \
 197   lhd_omp_firstprivatize_type_sizes
 198 #define LANG_HOOKS_HASH_TYPES           true
 199
 200 #define LANG_HOOKS_FOR_TYPES_INITIALIZER { \
 201   LANG_HOOKS_MAKE_TYPE, \
 202   LANG_HOOKS_TYPE_FOR_MODE, \
 203   LANG_HOOKS_TYPE_FOR_SIZE, \
 204   LANG_HOOKS_GENERIC_TYPE_P, \
 205   LANG_HOOKS_TYPE_PROMOTES_TO, \
 206   LANG_HOOKS_REGISTER_BUILTIN_TYPE, \
 207   LANG_HOOKS_INCOMPLETE_TYPE_ERROR, \
 208   LANG_HOOKS_TYPE_MAX_SIZE, \
 209   LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES, \
 210   LANG_HOOKS_HASH_TYPES \
 211 }
 212
 213 /* Declaration hooks.  */
 214 #define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p
 215 #define LANG_HOOKS_INSERT_BLOCK insert_block
 216 #define LANG_HOOKS_PUSHDECL     pushdecl
 217 #define LANG_HOOKS_GETDECLS     getdecls
 218 #define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl
 219 #define LANG_HOOKS_WRITE_GLOBALS write_global_declarations
 220 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL  lhd_decl_ok_for_sibcall
 221 #define LANG_HOOKS_COMDAT_GROUP lhd_comdat_group
 222 #define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE hook_bool_tree_false
 223 #define LANG_HOOKS_OMP_PREDETERMINED_SHARING lhd_omp_predetermined_sharing
 224 #define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR hook_bool_tree_bool_false
 225 #define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE hook_bool_tree_bool_false
 226 #define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR hook_tree_tree_tree_null
 227 #define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR lhd_omp_assignment
 228 #define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP lhd_omp_assignment
 229 #define LANG_HOOKS_OMP_CLAUSE_DTOR hook_tree_tree_tree_null
 230
 231 #define LANG_HOOKS_DECLS { \
 232   LANG_HOOKS_GLOBAL_BINDINGS_P, \
 233   LANG_HOOKS_INSERT_BLOCK, \
 234   LANG_HOOKS_PUSHDECL, \
 235   LANG_HOOKS_GETDECLS, \
 236   LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \
 237   LANG_HOOKS_WRITE_GLOBALS, \
 238   LANG_HOOKS_DECL_OK_FOR_SIBCALL, \
 239   LANG_HOOKS_COMDAT_GROUP, \
 240   LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, \
 241   LANG_HOOKS_OMP_PREDETERMINED_SHARING, \
 242   LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, \
 243   LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, \
 244   LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, \
 245   LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, \
 246   LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, \
 247   LANG_HOOKS_OMP_CLAUSE_DTOR \
 248 }
 249
 250 /* The whole thing.  The structure is defined in langhooks.h.  */
 251 #define LANG_HOOKS_INITIALIZER { \
 252   LANG_HOOKS_NAME, \
 253   LANG_HOOKS_IDENTIFIER_SIZE, \
 254   LANG_HOOKS_TREE_SIZE, \
 255   LANG_HOOKS_INIT_OPTIONS, \
 256   LANG_HOOKS_INITIALIZE_DIAGNOSTICS, \
 257   LANG_HOOKS_HANDLE_OPTION, \
 258   LANG_HOOKS_MISSING_ARGUMENT, \
 259   LANG_HOOKS_POST_OPTIONS, \
 260   LANG_HOOKS_INIT, \
 261   LANG_HOOKS_FINISH, \
 262   LANG_HOOKS_PARSE_FILE, \
 263   LANG_HOOKS_CLEAR_BINDING_STACK, \
 264   LANG_HOOKS_GET_ALIAS_SET, \
 265   LANG_HOOKS_EXPAND_CONSTANT, \
 266   LANG_HOOKS_EXPAND_EXPR, \
 267   LANG_HOOKS_EXPAND_DECL, \
 268   LANG_HOOKS_FINISH_INCOMPLETE_DECL, \
 269   LANG_HOOKS_MARK_ADDRESSABLE, \
 270   LANG_HOOKS_STATICP, \
 271   LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
 272   LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
 273   LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS, \
 274   LANG_HOOKS_NO_BODY_BLOCKS, \
 275   LANG_HOOKS_PRINT_STATISTICS, \
 276   LANG_HOOKS_PRINT_XNODE, \
 277   LANG_HOOKS_PRINT_DECL, \
 278   LANG_HOOKS_PRINT_TYPE, \
 279   LANG_HOOKS_PRINT_IDENTIFIER, \
 280   LANG_HOOKS_DECL_PRINTABLE_NAME, \
 281   LANG_HOOKS_DWARF_NAME, \
 282   LANG_HOOKS_TYPES_COMPATIBLE_P, \
 283   LANG_HOOKS_GET_CALLEE_FNDECL, \
 284   LANG_HOOKS_PRINT_ERROR_FUNCTION, \
 285   LANG_HOOKS_EXPR_SIZE, \
 286   LANG_HOOKS_TO_TARGET_CHARSET, \
 287   LANG_HOOKS_ATTRIBUTE_TABLE, \
 288   LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, \
 289   LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, \
 290   LANG_HOOKS_FUNCTION_INITIALIZER, \
 291   LANG_HOOKS_TREE_INLINING_INITIALIZER, \
 292   LANG_HOOKS_CALLGRAPH_INITIALIZER, \
 293   LANG_HOOKS_TREE_DUMP_INITIALIZER, \
 294   LANG_HOOKS_DECLS, \
 295   LANG_HOOKS_FOR_TYPES_INITIALIZER, \
 296   LANG_HOOKS_GIMPLIFY_EXPR, \
 297   LANG_HOOKS_FOLD_OBJ_TYPE_REF, \
 298   LANG_HOOKS_BUILTIN_FUNCTION, \
 299   LANG_HOOKS_INIT_TS,          \
 300   LANG_HOOKS_EXPR_TO_DECL, \
 301 }
 302
 303 #endif /* GCC_LANG_HOOKS_DEF_H */