gcc/langhooks-def.h

   1 /* Default macros to initialize the lang_hooks data structure.
   2    Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
   3    Free Software Foundation, Inc.
   4    Contributed by Alexandre Oliva  <aoliva@redhat.com>
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  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 struct diagnostic_info;
  29
  30 /* Note to creators of new hooks:
  31
  32    The macros in this file should NOT be surrounded by a
  33    #ifdef...#endif pair, since this file declares the defaults.  Each
  34    front end overrides any hooks it wishes to, in the file containing
  35    its struct lang_hooks, AFTER including this file.  */
  36
  37 /* See langhooks.h for the definition and documentation of each hook.  */
  38
  39 extern void lhd_do_nothing (void);
  40 extern void lhd_do_nothing_t (tree);
  41 extern void lhd_do_nothing_i (int);
  42 extern void lhd_do_nothing_f (struct function *);
  43 extern tree lhd_pass_through_t (tree);
  44 extern bool lhd_post_options (const char **);
  45 extern alias_set_type lhd_get_alias_set (tree);
  46 extern tree lhd_return_null_tree_v (void);
  47 extern tree lhd_return_null_tree (tree);
  48 extern tree lhd_return_null_const_tree (const_tree);
  49 extern tree lhd_do_nothing_iii_return_null_tree (int, int, int);
  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 void lhd_print_error_function (struct diagnostic_context *,
  55                                       const char *, struct diagnostic_info *);
  56 extern void lhd_set_decl_assembler_name (tree);
  57 extern bool lhd_warn_unused_global_decl (const_tree);
  58 extern void lhd_incomplete_type_error (const_tree, const_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 (const_tree);
  62 extern size_t lhd_tree_size (enum tree_code);
  63 extern HOST_WIDE_INT lhd_to_target_charset (HOST_WIDE_INT);
  64 extern tree lhd_expr_to_decl (tree, bool *, bool *);
  65 extern tree lhd_builtin_function (tree);
  66
  67 /* Declarations of default tree inlining hooks.  */
  68 extern void lhd_initialize_diagnostics (struct diagnostic_context *);
  69 extern tree lhd_callgraph_analyze_expr (tree *, int *);
  70
  71
  72 /* Declarations for tree gimplification hooks.  */
  73 extern int lhd_gimplify_expr (tree *, gimple_seq *, gimple_seq *);
  74 extern enum omp_clause_default_kind lhd_omp_predetermined_sharing (tree);
  75 extern tree lhd_omp_assignment (tree, tree, tree);
  76 struct gimplify_omp_ctx;
  77 extern void lhd_omp_firstprivatize_type_sizes (struct gimplify_omp_ctx *,
  78                                                tree);
  79
  80 #define LANG_HOOKS_NAME                 "GNU unknown"
  81 #define LANG_HOOKS_IDENTIFIER_SIZE      sizeof (struct lang_identifier)
  82 #define LANG_HOOKS_INIT                 hook_bool_void_false
  83 #define LANG_HOOKS_FINISH               lhd_do_nothing
  84 #define LANG_HOOKS_PARSE_FILE           lhd_do_nothing_i
  85 #define LANG_HOOKS_INIT_OPTIONS         hook_uint_uint_constcharptrptr_0
  86 #define LANG_HOOKS_INITIALIZE_DIAGNOSTICS lhd_initialize_diagnostics
  87 #define LANG_HOOKS_HANDLE_OPTION        hook_int_size_t_constcharptr_int_0
  88 #define LANG_HOOKS_MISSING_ARGUMENT     hook_bool_constcharptr_size_t_false
  89 #define LANG_HOOKS_POST_OPTIONS         lhd_post_options
  90 #define LANG_HOOKS_MISSING_NORETURN_OK_P hook_bool_tree_true
  91 #define LANG_HOOKS_GET_ALIAS_SET        lhd_get_alias_set
  92 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL lhd_do_nothing_t
  93 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
  94 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name
  95 #define LANG_HOOKS_PRINT_STATISTICS     lhd_do_nothing
  96 #define LANG_HOOKS_PRINT_XNODE          lhd_print_tree_nothing
  97 #define LANG_HOOKS_PRINT_DECL           lhd_print_tree_nothing
  98 #define LANG_HOOKS_PRINT_TYPE           lhd_print_tree_nothing
  99 #define LANG_HOOKS_PRINT_IDENTIFIER     lhd_print_tree_nothing
 100 #define LANG_HOOKS_PRINT_ERROR_FUNCTION lhd_print_error_function
 101 #define LANG_HOOKS_DECL_PRINTABLE_NAME  lhd_decl_printable_name
 102 #define LANG_HOOKS_DWARF_NAME           lhd_dwarf_name
 103 #define LANG_HOOKS_FREE_LANG_DATA       lhd_do_nothing_t
 104 #define LANG_HOOKS_TREE_SIZE            lhd_tree_size
 105 #define LANG_HOOKS_TYPES_COMPATIBLE_P   lhd_types_compatible_p
 106 #define LANG_HOOKS_BUILTIN_FUNCTION     lhd_builtin_function
 107 #define LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE   LANG_HOOKS_BUILTIN_FUNCTION
 108 #define LANG_HOOKS_EXPR_TO_DECL         lhd_expr_to_decl
 109 #define LANG_HOOKS_TO_TARGET_CHARSET    lhd_to_target_charset
 110 #define LANG_HOOKS_INIT_TS              lhd_do_nothing
 111 #define LANG_HOOKS_EH_PERSONALITY       lhd_gcc_personality
 112 #define LANG_HOOKS_EH_RUNTIME_TYPE      lhd_pass_through_t
 113 #define LANG_HOOKS_EH_USE_CXA_END_CLEANUP       false
 114 #define LANG_HOOKS_DEEP_UNSHARING       false
 115
 116 /* Attribute hooks.  */
 117 #define LANG_HOOKS_ATTRIBUTE_TABLE              NULL
 118 #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE       NULL
 119 #define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE       NULL
 120
 121 /* Tree inlining hooks.  */
 122 #define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P \
 123   hook_bool_tree_tree_false
 124
 125 #define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
 126   LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P, \
 127 }
 128
 129 #define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR lhd_callgraph_analyze_expr
 130
 131 #define LANG_HOOKS_CALLGRAPH_INITIALIZER { \
 132   LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR \
 133 }
 134
 135 /* Hooks for tree gimplification.  */
 136 #define LANG_HOOKS_GIMPLIFY_EXPR lhd_gimplify_expr
 137
 138 /* Tree dump hooks.  */
 139 extern bool lhd_tree_dump_dump_tree (void *, tree);
 140 extern int lhd_tree_dump_type_quals (const_tree);
 141 extern tree lhd_make_node (enum tree_code);
 142
 143 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree
 144 #define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals
 145
 146 #define LANG_HOOKS_TREE_DUMP_INITIALIZER { \
 147   LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \
 148   LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \
 149 }
 150
 151 /* Types hooks.  There are no reasonable defaults for most of them,
 152    so we create a compile-time error instead.  */
 153 #define LANG_HOOKS_MAKE_TYPE lhd_make_node
 154 #define LANG_HOOKS_CLASSIFY_RECORD      NULL
 155 #define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error
 156 #define LANG_HOOKS_GENERIC_TYPE_P       hook_bool_const_tree_false
 157 #define LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS hook_tree_const_tree_null
 158 #define LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS hook_tree_const_tree_null
 159 #define LANG_HOOKS_FUNCTION_PARAMETER_PACK_P hook_bool_const_tree_false
 160 #define LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS hook_tree_const_tree_null
 161 #define LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P hook_bool_const_tree_false
 162 #define LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P \
 163                                         hook_bool_tree_tree_false
 164 #define LANG_HOOKS_GET_GENERIC_FUNCTION_DECL hook_tree_const_tree_null
 165 #define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to
 166 #define LANG_HOOKS_REGISTER_BUILTIN_TYPE lhd_register_builtin_type
 167 #define LANG_HOOKS_TYPE_MAX_SIZE        lhd_return_null_const_tree
 168 #define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \
 169   lhd_omp_firstprivatize_type_sizes
 170 #define LANG_HOOKS_TYPE_HASH_EQ         NULL
 171 #define LANG_HOOKS_GET_ARRAY_DESCR_INFO NULL
 172 #define LANG_HOOKS_GET_SUBRANGE_BOUNDS  NULL
 173 #define LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE reconstruct_complex_type
 174 #define LANG_HOOKS_HASH_TYPES           true
 175
 176 #define LANG_HOOKS_FOR_TYPES_INITIALIZER { \
 177   LANG_HOOKS_MAKE_TYPE, \
 178   LANG_HOOKS_CLASSIFY_RECORD, \
 179   LANG_HOOKS_TYPE_FOR_MODE, \
 180   LANG_HOOKS_TYPE_FOR_SIZE, \
 181   LANG_HOOKS_GENERIC_TYPE_P, \
 182   LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS, \
 183   LANG_HOOKS_TYPE_PROMOTES_TO, \
 184   LANG_HOOKS_REGISTER_BUILTIN_TYPE, \
 185   LANG_HOOKS_INCOMPLETE_TYPE_ERROR, \
 186   LANG_HOOKS_TYPE_MAX_SIZE, \
 187   LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES, \
 188   LANG_HOOKS_TYPE_HASH_EQ, \
 189   LANG_HOOKS_GET_ARRAY_DESCR_INFO, \
 190   LANG_HOOKS_GET_SUBRANGE_BOUNDS, \
 191   LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE, \
 192   LANG_HOOKS_HASH_TYPES \
 193 }
 194
 195 /* Declaration hooks.  */
 196 #define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p
 197 #define LANG_HOOKS_PUSHDECL     pushdecl
 198 #define LANG_HOOKS_GETDECLS     getdecls
 199 #define LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P hook_bool_tree_false
 200 #define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl
 201 #define LANG_HOOKS_WRITE_GLOBALS write_global_declarations
 202 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL  lhd_decl_ok_for_sibcall
 203 #define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE hook_bool_const_tree_false
 204 #define LANG_HOOKS_OMP_PREDETERMINED_SHARING lhd_omp_predetermined_sharing
 205 #define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR hook_bool_tree_bool_false
 206 #define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE hook_bool_tree_bool_false
 207 #define LANG_HOOKS_OMP_PRIVATE_OUTER_REF hook_bool_tree_false
 208 #define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR hook_tree_tree_tree_tree_null
 209 #define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR lhd_omp_assignment
 210 #define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP lhd_omp_assignment
 211 #define LANG_HOOKS_OMP_CLAUSE_DTOR hook_tree_tree_tree_null
 212 #define LANG_HOOKS_OMP_FINISH_CLAUSE hook_void_tree
 213
 214 #define LANG_HOOKS_DECLS { \
 215   LANG_HOOKS_GLOBAL_BINDINGS_P, \
 216   LANG_HOOKS_PUSHDECL, \
 217   LANG_HOOKS_GETDECLS, \
 218   LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P, \
 219   LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P, \
 220   LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P, \
 221   LANG_HOOKS_GET_GENERIC_FUNCTION_DECL, \
 222   LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \
 223   LANG_HOOKS_WRITE_GLOBALS, \
 224   LANG_HOOKS_DECL_OK_FOR_SIBCALL, \
 225   LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, \
 226   LANG_HOOKS_OMP_PREDETERMINED_SHARING, \
 227   LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, \
 228   LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, \
 229   LANG_HOOKS_OMP_PRIVATE_OUTER_REF, \
 230   LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, \
 231   LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, \
 232   LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, \
 233   LANG_HOOKS_OMP_CLAUSE_DTOR, \
 234   LANG_HOOKS_OMP_FINISH_CLAUSE \
 235 }
 236
 237 /* LTO hooks.  */
 238 extern void lhd_begin_section (const char *);
 239 extern void lhd_append_data (const void *, size_t, void *);
 240 extern void lhd_end_section (void);
 241
 242 #define LANG_HOOKS_BEGIN_SECTION lhd_begin_section
 243 #define LANG_HOOKS_APPEND_DATA lhd_append_data
 244 #define LANG_HOOKS_END_SECTION lhd_end_section
 245
 246 #define LANG_HOOKS_LTO { \
 247   LANG_HOOKS_BEGIN_SECTION, \
 248   LANG_HOOKS_APPEND_DATA, \
 249   LANG_HOOKS_END_SECTION \
 250 }
 251
 252 /* The whole thing.  The structure is defined in langhooks.h.  */
 253 #define LANG_HOOKS_INITIALIZER { \
 254   LANG_HOOKS_NAME, \
 255   LANG_HOOKS_IDENTIFIER_SIZE, \
 256   LANG_HOOKS_FREE_LANG_DATA, \
 257   LANG_HOOKS_TREE_SIZE, \
 258   LANG_HOOKS_INIT_OPTIONS, \
 259   LANG_HOOKS_INITIALIZE_DIAGNOSTICS, \
 260   LANG_HOOKS_HANDLE_OPTION, \
 261   LANG_HOOKS_MISSING_ARGUMENT, \
 262   LANG_HOOKS_POST_OPTIONS, \
 263   LANG_HOOKS_INIT, \
 264   LANG_HOOKS_FINISH, \
 265   LANG_HOOKS_PARSE_FILE, \
 266   LANG_HOOKS_MISSING_NORETURN_OK_P, \
 267   LANG_HOOKS_GET_ALIAS_SET, \
 268   LANG_HOOKS_FINISH_INCOMPLETE_DECL, \
 269   LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
 270   LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
 271   LANG_HOOKS_PRINT_STATISTICS, \
 272   LANG_HOOKS_PRINT_XNODE, \
 273   LANG_HOOKS_PRINT_DECL, \
 274   LANG_HOOKS_PRINT_TYPE, \
 275   LANG_HOOKS_PRINT_IDENTIFIER, \
 276   LANG_HOOKS_DECL_PRINTABLE_NAME, \
 277   LANG_HOOKS_DWARF_NAME, \
 278   LANG_HOOKS_TYPES_COMPATIBLE_P, \
 279   LANG_HOOKS_PRINT_ERROR_FUNCTION, \
 280   LANG_HOOKS_TO_TARGET_CHARSET, \
 281   LANG_HOOKS_ATTRIBUTE_TABLE, \
 282   LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, \
 283   LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, \
 284   LANG_HOOKS_TREE_INLINING_INITIALIZER, \
 285   LANG_HOOKS_CALLGRAPH_INITIALIZER, \
 286   LANG_HOOKS_TREE_DUMP_INITIALIZER, \
 287   LANG_HOOKS_DECLS, \
 288   LANG_HOOKS_FOR_TYPES_INITIALIZER, \
 289   LANG_HOOKS_LTO, \
 290   LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS, \
 291   LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS, \
 292   LANG_HOOKS_FUNCTION_PARAMETER_PACK_P, \
 293   LANG_HOOKS_GIMPLIFY_EXPR, \
 294   LANG_HOOKS_BUILTIN_FUNCTION, \
 295   LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE, \
 296   LANG_HOOKS_INIT_TS,          \
 297   LANG_HOOKS_EXPR_TO_DECL, \
 298   LANG_HOOKS_EH_PERSONALITY, \
 299   LANG_HOOKS_EH_RUNTIME_TYPE, \
 300   LANG_HOOKS_EH_USE_CXA_END_CLEANUP, \
 301   LANG_HOOKS_DEEP_UNSHARING \
 302 }
 303
 304 #endif /* GCC_LANG_HOOKS_DEF_H */