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