gcc/langhooks-def.h

   1 /* Default macros to initialize the lang_hooks data structure.
   2    Copyright (C) 2001-2017 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_info;
  27 class substring_loc;
  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_f (struct function *);
  41 extern tree lhd_pass_through_t (tree);
  42 extern bool lhd_post_options (const char **);
  43 extern alias_set_type lhd_get_alias_set (tree);
  44 extern tree lhd_return_null_tree (tree);
  45 extern tree lhd_return_null_const_tree (const_tree);
  46 extern tree lhd_do_nothing_iii_return_null_tree (int, int, int);
  47 extern void lhd_print_tree_nothing (FILE *, tree, int);
  48 extern const char *lhd_decl_printable_name (tree, int);
  49 extern const char *lhd_dwarf_name (tree, int);
  50 extern int lhd_types_compatible_p (tree, tree);
  51 extern void lhd_print_error_function (diagnostic_context *,
  52                                       const char *, struct diagnostic_info *);
  53 extern void lhd_set_decl_assembler_name (tree);
  54 extern bool lhd_warn_unused_global_decl (const_tree);
  55 extern tree lhd_type_for_size (unsigned precision, int unsignedp);
  56 extern void lhd_incomplete_type_error (location_t, const_tree, const_tree);
  57 extern tree lhd_type_promotes_to (tree);
  58 extern void lhd_register_builtin_type (tree, const char *);
  59 extern bool lhd_decl_ok_for_sibcall (const_tree);
  60 extern size_t lhd_tree_size (enum tree_code);
  61 extern HOST_WIDE_INT lhd_to_target_charset (HOST_WIDE_INT);
  62 extern tree lhd_expr_to_decl (tree, bool *, bool *);
  63 extern tree lhd_builtin_function (tree);
  64 extern tree lhd_enum_underlying_base_type (const_tree);
  65
  66 /* Declarations of default tree inlining hooks.  */
  67 extern void lhd_initialize_diagnostics (diagnostic_context *);
  68 extern void lhd_init_options (unsigned int,
  69                               struct cl_decoded_option *);
  70 extern bool lhd_complain_wrong_lang_p (const struct cl_option *);
  71 extern bool lhd_handle_option (size_t, const char *, int, int, location_t,
  72                                const struct cl_option_handlers *);
  73
  74
  75 /* Declarations for tree gimplification hooks.  */
  76 extern int lhd_gimplify_expr (tree *, gimple_seq *, gimple_seq *);
  77 extern enum omp_clause_default_kind lhd_omp_predetermined_sharing (tree);
  78 extern tree lhd_omp_assignment (tree, tree, tree);
  79 extern void lhd_omp_finish_clause (tree, gimple_seq *);
  80 struct gimplify_omp_ctx;
  81 extern void lhd_omp_firstprivatize_type_sizes (struct gimplify_omp_ctx *,
  82                                                tree);
  83 extern bool lhd_omp_mappable_type (tree);
  84 extern bool lhd_omp_scalar_p (tree);
  85
  86 extern const char *lhd_get_substring_location (const substring_loc &,
  87                                                location_t *out_loc);
  88 extern int lhd_decl_dwarf_attribute (const_tree, int);
  89 extern int lhd_type_dwarf_attribute (const_tree, int);
  90
  91 #define LANG_HOOKS_NAME                 "GNU unknown"
  92 #define LANG_HOOKS_IDENTIFIER_SIZE      sizeof (struct lang_identifier)
  93 #define LANG_HOOKS_INIT                 hook_bool_void_false
  94 #define LANG_HOOKS_FINISH               lhd_do_nothing
  95 #define LANG_HOOKS_PARSE_FILE           lhd_do_nothing
  96 #define LANG_HOOKS_OPTION_LANG_MASK     hook_uint_void_0
  97 #define LANG_HOOKS_INIT_OPTIONS_STRUCT  hook_void_gcc_optionsp
  98 #define LANG_HOOKS_INIT_OPTIONS         lhd_init_options
  99 #define LANG_HOOKS_INITIALIZE_DIAGNOSTICS lhd_initialize_diagnostics
 100 #define LANG_HOOKS_COMPLAIN_WRONG_LANG_P lhd_complain_wrong_lang_p
 101 #define LANG_HOOKS_HANDLE_OPTION        lhd_handle_option
 102 #define LANG_HOOKS_POST_OPTIONS         lhd_post_options
 103 #define LANG_HOOKS_MISSING_NORETURN_OK_P hook_bool_tree_true
 104 #define LANG_HOOKS_GET_ALIAS_SET        lhd_get_alias_set
 105 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL lhd_do_nothing_t
 106 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
 107 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name
 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_FREE_LANG_DATA       lhd_do_nothing_t
 117 #define LANG_HOOKS_TREE_SIZE            lhd_tree_size
 118 #define LANG_HOOKS_TYPES_COMPATIBLE_P   lhd_types_compatible_p
 119 #define LANG_HOOKS_BUILTIN_FUNCTION     lhd_builtin_function
 120 #define LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE   LANG_HOOKS_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 #define LANG_HOOKS_EH_PERSONALITY       lhd_gcc_personality
 125 #define LANG_HOOKS_EH_RUNTIME_TYPE      lhd_pass_through_t
 126 #define LANG_HOOKS_EH_PROTECT_CLEANUP_ACTIONS   NULL
 127 #define LANG_HOOKS_BLOCK_MAY_FALLTHRU   hook_bool_const_tree_true
 128 #define LANG_HOOKS_EH_USE_CXA_END_CLEANUP       false
 129 #define LANG_HOOKS_DEEP_UNSHARING       false
 130 #define LANG_HOOKS_CUSTOM_FUNCTION_DESCRIPTORS  false
 131 #define LANG_HOOKS_RUN_LANG_SELFTESTS   lhd_do_nothing
 132 #define LANG_HOOKS_GET_SUBSTRING_LOCATION lhd_get_substring_location
 133
 134 /* Attribute hooks.  */
 135 #define LANG_HOOKS_ATTRIBUTE_TABLE              NULL
 136 #define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE       NULL
 137 #define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE       NULL
 138
 139 /* Tree inlining hooks.  */
 140 #define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P \
 141   hook_bool_tree_tree_false
 142
 143 #define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
 144   LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P, \
 145 }
 146
 147 /* Hooks for tree gimplification.  */
 148 #define LANG_HOOKS_GIMPLIFY_EXPR lhd_gimplify_expr
 149
 150 /* Tree dump hooks.  */
 151 extern bool lhd_tree_dump_dump_tree (void *, tree);
 152 extern int lhd_tree_dump_type_quals (const_tree);
 153 extern tree lhd_make_node (enum tree_code);
 154
 155 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree
 156 #define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals
 157
 158 #define LANG_HOOKS_TREE_DUMP_INITIALIZER { \
 159   LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \
 160   LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \
 161 }
 162
 163 /* Types hooks.  There are no reasonable defaults for most of them,
 164    so we create a compile-time error instead.  */
 165 extern tree lhd_unit_size_without_reusable_padding (tree);
 166
 167 #define LANG_HOOKS_MAKE_TYPE lhd_make_node
 168 #define LANG_HOOKS_CLASSIFY_RECORD      NULL
 169 #define LANG_HOOKS_TYPE_FOR_SIZE        lhd_type_for_size
 170 #define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error
 171 #define LANG_HOOKS_GENERIC_TYPE_P       hook_bool_const_tree_false
 172 #define LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS hook_tree_const_tree_null
 173 #define LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS hook_tree_const_tree_null
 174 #define LANG_HOOKS_FUNCTION_PARAMETER_PACK_P hook_bool_const_tree_false
 175 #define LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS hook_tree_const_tree_null
 176 #define LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P hook_bool_const_tree_false
 177 #define LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P \
 178                                         hook_bool_tree_tree_false
 179 #define LANG_HOOKS_GET_GENERIC_FUNCTION_DECL hook_tree_const_tree_null
 180 #define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to
 181 #define LANG_HOOKS_REGISTER_BUILTIN_TYPE lhd_register_builtin_type
 182 #define LANG_HOOKS_TYPE_MAX_SIZE        lhd_return_null_const_tree
 183 #define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \
 184   lhd_omp_firstprivatize_type_sizes
 185 #define LANG_HOOKS_OMP_MAPPABLE_TYPE    lhd_omp_mappable_type
 186 #define LANG_HOOKS_TYPE_HASH_EQ         NULL
 187 #define LANG_HOOKS_GET_ARRAY_DESCR_INFO NULL
 188 #define LANG_HOOKS_GET_SUBRANGE_BOUNDS  NULL
 189 #define LANG_HOOKS_GET_TYPE_BIAS        NULL
 190 #define LANG_HOOKS_DESCRIPTIVE_TYPE     NULL
 191 #define LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE reconstruct_complex_type
 192 #define LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE lhd_enum_underlying_base_type
 193 #define LANG_HOOKS_GET_DEBUG_TYPE       NULL
 194 #define LANG_HOOKS_GET_FIXED_POINT_TYPE_INFO NULL
 195 #define LANG_HOOKS_TYPE_DWARF_ATTRIBUTE lhd_type_dwarf_attribute
 196 #define LANG_HOOKS_UNIT_SIZE_WITHOUT_REUSABLE_PADDING lhd_unit_size_without_reusable_padding
 197
 198 #define LANG_HOOKS_FOR_TYPES_INITIALIZER { \
 199   LANG_HOOKS_MAKE_TYPE, \
 200   LANG_HOOKS_CLASSIFY_RECORD, \
 201   LANG_HOOKS_TYPE_FOR_MODE, \
 202   LANG_HOOKS_TYPE_FOR_SIZE, \
 203   LANG_HOOKS_GENERIC_TYPE_P, \
 204   LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS, \
 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_OMP_MAPPABLE_TYPE, \
 211   LANG_HOOKS_TYPE_HASH_EQ, \
 212   LANG_HOOKS_GET_ARRAY_DESCR_INFO, \
 213   LANG_HOOKS_GET_SUBRANGE_BOUNDS, \
 214   LANG_HOOKS_GET_TYPE_BIAS, \
 215   LANG_HOOKS_DESCRIPTIVE_TYPE, \
 216   LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE, \
 217   LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE, \
 218   LANG_HOOKS_GET_DEBUG_TYPE, \
 219   LANG_HOOKS_GET_FIXED_POINT_TYPE_INFO, \
 220   LANG_HOOKS_TYPE_DWARF_ATTRIBUTE, \
 221   LANG_HOOKS_UNIT_SIZE_WITHOUT_REUSABLE_PADDING \
 222 }
 223
 224 /* Declaration hooks.  */
 225 #define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p
 226 #define LANG_HOOKS_PUSHDECL     pushdecl
 227 #define LANG_HOOKS_GETDECLS     getdecls
 228 #define LANG_HOOKS_DECL_DWARF_ATTRIBUTE lhd_decl_dwarf_attribute
 229 #define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl
 230 #define LANG_HOOKS_POST_COMPILATION_PARSING_CLEANUPS NULL
 231 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL  lhd_decl_ok_for_sibcall
 232 #define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE hook_bool_const_tree_false
 233 #define LANG_HOOKS_OMP_PREDETERMINED_SHARING lhd_omp_predetermined_sharing
 234 #define LANG_HOOKS_OMP_REPORT_DECL lhd_pass_through_t
 235 #define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR hook_bool_tree_bool_false
 236 #define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE hook_bool_tree_bool_false
 237 #define LANG_HOOKS_OMP_PRIVATE_OUTER_REF hook_bool_tree_false
 238 #define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR hook_tree_tree_tree_tree_null
 239 #define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR lhd_omp_assignment
 240 #define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP lhd_omp_assignment
 241 #define LANG_HOOKS_OMP_CLAUSE_LINEAR_CTOR NULL
 242 #define LANG_HOOKS_OMP_CLAUSE_DTOR hook_tree_tree_tree_null
 243 #define LANG_HOOKS_OMP_FINISH_CLAUSE lhd_omp_finish_clause
 244 #define LANG_HOOKS_OMP_SCALAR_P lhd_omp_scalar_p
 245
 246 #define LANG_HOOKS_DECLS { \
 247   LANG_HOOKS_GLOBAL_BINDINGS_P, \
 248   LANG_HOOKS_PUSHDECL, \
 249   LANG_HOOKS_GETDECLS, \
 250   LANG_HOOKS_DECL_DWARF_ATTRIBUTE, \
 251   LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P, \
 252   LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P, \
 253   LANG_HOOKS_GET_GENERIC_FUNCTION_DECL, \
 254   LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \
 255   LANG_HOOKS_POST_COMPILATION_PARSING_CLEANUPS, \
 256   LANG_HOOKS_DECL_OK_FOR_SIBCALL, \
 257   LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, \
 258   LANG_HOOKS_OMP_PREDETERMINED_SHARING, \
 259   LANG_HOOKS_OMP_REPORT_DECL, \
 260   LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, \
 261   LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, \
 262   LANG_HOOKS_OMP_PRIVATE_OUTER_REF, \
 263   LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, \
 264   LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, \
 265   LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, \
 266   LANG_HOOKS_OMP_CLAUSE_LINEAR_CTOR, \
 267   LANG_HOOKS_OMP_CLAUSE_DTOR, \
 268   LANG_HOOKS_OMP_FINISH_CLAUSE, \
 269   LANG_HOOKS_OMP_SCALAR_P \
 270 }
 271
 272 /* LTO hooks.  */
 273 extern void lhd_begin_section (const char *);
 274 extern void lhd_append_data (const void *, size_t, void *);
 275 extern void lhd_end_section (void);
 276
 277 #define LANG_HOOKS_BEGIN_SECTION lhd_begin_section
 278 #define LANG_HOOKS_APPEND_DATA lhd_append_data
 279 #define LANG_HOOKS_END_SECTION lhd_end_section
 280
 281 #define LANG_HOOKS_LTO { \
 282   LANG_HOOKS_BEGIN_SECTION, \
 283   LANG_HOOKS_APPEND_DATA, \
 284   LANG_HOOKS_END_SECTION \
 285 }
 286
 287 /* The whole thing.  The structure is defined in langhooks.h.  */
 288 #define LANG_HOOKS_INITIALIZER { \
 289   LANG_HOOKS_NAME, \
 290   LANG_HOOKS_IDENTIFIER_SIZE, \
 291   LANG_HOOKS_FREE_LANG_DATA, \
 292   LANG_HOOKS_TREE_SIZE, \
 293   LANG_HOOKS_OPTION_LANG_MASK, \
 294   LANG_HOOKS_INIT_OPTIONS_STRUCT, \
 295   LANG_HOOKS_INIT_OPTIONS, \
 296   LANG_HOOKS_INITIALIZE_DIAGNOSTICS, \
 297   LANG_HOOKS_COMPLAIN_WRONG_LANG_P, \
 298   LANG_HOOKS_HANDLE_OPTION, \
 299   LANG_HOOKS_POST_OPTIONS, \
 300   LANG_HOOKS_INIT, \
 301   LANG_HOOKS_FINISH, \
 302   LANG_HOOKS_PARSE_FILE, \
 303   LANG_HOOKS_MISSING_NORETURN_OK_P, \
 304   LANG_HOOKS_GET_ALIAS_SET, \
 305   LANG_HOOKS_FINISH_INCOMPLETE_DECL, \
 306   LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
 307   LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
 308   LANG_HOOKS_PRINT_STATISTICS, \
 309   LANG_HOOKS_PRINT_XNODE, \
 310   LANG_HOOKS_PRINT_DECL, \
 311   LANG_HOOKS_PRINT_TYPE, \
 312   LANG_HOOKS_PRINT_IDENTIFIER, \
 313   LANG_HOOKS_DECL_PRINTABLE_NAME, \
 314   LANG_HOOKS_DWARF_NAME, \
 315   LANG_HOOKS_TYPES_COMPATIBLE_P, \
 316   LANG_HOOKS_PRINT_ERROR_FUNCTION, \
 317   LANG_HOOKS_TO_TARGET_CHARSET, \
 318   LANG_HOOKS_ATTRIBUTE_TABLE, \
 319   LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, \
 320   LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, \
 321   LANG_HOOKS_TREE_INLINING_INITIALIZER, \
 322   LANG_HOOKS_TREE_DUMP_INITIALIZER, \
 323   LANG_HOOKS_DECLS, \
 324   LANG_HOOKS_FOR_TYPES_INITIALIZER, \
 325   LANG_HOOKS_LTO, \
 326   LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS, \
 327   LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS, \
 328   LANG_HOOKS_FUNCTION_PARAMETER_PACK_P, \
 329   LANG_HOOKS_GIMPLIFY_EXPR, \
 330   LANG_HOOKS_BUILTIN_FUNCTION, \
 331   LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE, \
 332   LANG_HOOKS_INIT_TS,          \
 333   LANG_HOOKS_EXPR_TO_DECL, \
 334   LANG_HOOKS_EH_PERSONALITY, \
 335   LANG_HOOKS_EH_RUNTIME_TYPE, \
 336   LANG_HOOKS_EH_PROTECT_CLEANUP_ACTIONS, \
 337   LANG_HOOKS_BLOCK_MAY_FALLTHRU, \
 338   LANG_HOOKS_EH_USE_CXA_END_CLEANUP, \
 339   LANG_HOOKS_DEEP_UNSHARING, \
 340   LANG_HOOKS_CUSTOM_FUNCTION_DESCRIPTORS, \
 341   LANG_HOOKS_RUN_LANG_SELFTESTS, \
 342   LANG_HOOKS_GET_SUBSTRING_LOCATION \
 343 }
 344
 345 #endif /* GCC_LANG_HOOKS_DEF_H */