gcc/target-def.h

   1 /* Default initializers for a generic GCC target.
   2    Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   3
   4 This program is free software; you can redistribute it and/or modify it
   5 under the terms of the GNU General Public License as published by the
   6 Free Software Foundation; either version 2, or (at your option) any
   7 later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18  In other words, you are welcome to use, share and improve this program.
  19  You are forbidden to forbid anyone else to use, share and improve
  20  what you give them.   Help stamp out software-hoarding!  */
  21
  22 /* See target.h for a description of what this file contains and how to
  23    use it.
  24
  25    We want to have non-NULL default definitions of all hook functions,
  26    even if they do nothing.  */
  27
  28 /* Note that if one of these macros must be defined in an OS .h file
  29    rather than the .c file, then we need to wrap the default
  30    definition in a #ifndef, since files include tm.h before this one.  */
  31
  32 /* Assembler output.  */
  33 #define TARGET_ASM_OPEN_PAREN "("
  34 #define TARGET_ASM_CLOSE_PAREN ")"
  35 #define TARGET_ASM_BYTE_OP "\t.byte\t"
  36
  37 #define TARGET_ASM_ALIGNED_HI_OP "\t.short\t"
  38 #define TARGET_ASM_ALIGNED_SI_OP "\t.long\t"
  39 #define TARGET_ASM_ALIGNED_DI_OP NULL
  40 #define TARGET_ASM_ALIGNED_TI_OP NULL
  41
  42 /* GAS and SYSV4 assemblers accept these.  */
  43 #if defined (OBJECT_FORMAT_ELF)
  44 #define TARGET_ASM_UNALIGNED_HI_OP "\t.2byte\t"
  45 #define TARGET_ASM_UNALIGNED_SI_OP "\t.4byte\t"
  46 #define TARGET_ASM_UNALIGNED_DI_OP "\t.8byte\t"
  47 #define TARGET_ASM_UNALIGNED_TI_OP NULL
  48 #else
  49 #define TARGET_ASM_UNALIGNED_HI_OP NULL
  50 #define TARGET_ASM_UNALIGNED_SI_OP NULL
  51 #define TARGET_ASM_UNALIGNED_DI_OP NULL
  52 #define TARGET_ASM_UNALIGNED_TI_OP NULL
  53 #endif /* OBJECT_FORMAT_ELF */
  54
  55 #define TARGET_ASM_INTEGER default_assemble_integer
  56
  57 #ifndef TARGET_ASM_GLOBALIZE_LABEL
  58 #define TARGET_ASM_GLOBALIZE_LABEL default_globalize_label
  59 #endif
  60
  61 #ifndef TARGET_ASM_EMIT_UNWIND_LABEL
  62 #define TARGET_ASM_EMIT_UNWIND_LABEL default_emit_unwind_label
  63 #endif
  64
  65 #ifndef TARGET_UNWIND_EMIT
  66 #define TARGET_UNWIND_EMIT default_unwind_emit
  67 #endif
  68
  69 #ifndef TARGET_ASM_INTERNAL_LABEL
  70 #define TARGET_ASM_INTERNAL_LABEL default_internal_label
  71 #endif
  72
  73 #ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
  74 #define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility
  75 #endif
  76
  77 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
  78 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
  79 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
  80 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
  81
  82 #ifndef TARGET_ASM_SELECT_SECTION
  83 #define TARGET_ASM_SELECT_SECTION default_select_section
  84 #endif
  85
  86 #ifndef TARGET_ASM_UNIQUE_SECTION
  87 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
  88 #endif
  89
  90 #ifndef TARGET_ASM_FUNCTION_RODATA_SECTION
  91 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_function_rodata_section
  92 #endif
  93
  94 #ifndef TARGET_ASM_SELECT_RTX_SECTION
  95 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
  96 #endif
  97
  98 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
  99 # ifdef CTORS_SECTION_ASM_OP
 100 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
 101 # else
 102 #  ifdef TARGET_ASM_NAMED_SECTION
 103 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
 104 #  else
 105 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
 106 #  endif
 107 # endif
 108 #endif
 109
 110 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
 111 # ifdef DTORS_SECTION_ASM_OP
 112 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
 113 # else
 114 #  ifdef TARGET_ASM_NAMED_SECTION
 115 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
 116 #  else
 117 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
 118 #  endif
 119 # endif
 120 #endif
 121
 122 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
 123 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false
 124
 125 #if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
 126 #define TARGET_HAVE_CTORS_DTORS true
 127 #else
 128 #define TARGET_HAVE_CTORS_DTORS false
 129 #define TARGET_ASM_CONSTRUCTOR NULL
 130 #define TARGET_ASM_DESTRUCTOR NULL
 131 #endif
 132
 133 #ifdef TARGET_ASM_NAMED_SECTION
 134 #define TARGET_HAVE_NAMED_SECTIONS true
 135 #else
 136 #define TARGET_ASM_NAMED_SECTION default_no_named_section
 137 #define TARGET_HAVE_NAMED_SECTIONS false
 138 #endif
 139
 140 #ifndef TARGET_HAVE_TLS
 141 #define TARGET_HAVE_TLS false
 142 #endif
 143
 144 #ifndef TARGET_HAVE_SRODATA_SECTION
 145 #define TARGET_HAVE_SRODATA_SECTION false
 146 #endif
 147
 148 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
 149 #ifdef EH_FRAME_SECTION_NAME
 150 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
 151 #else
 152 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
 153 #endif
 154 #endif
 155
 156 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
 157
 158 #ifndef TARGET_ASM_EXCEPTION_SECTION
 159 #define TARGET_ASM_EXCEPTION_SECTION default_exception_section
 160 #endif
 161
 162 #ifndef TARGET_ASM_EH_FRAME_SECTION
 163 #define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section
 164 #endif
 165
 166 #ifndef TARGET_ASM_FILE_START
 167 #define TARGET_ASM_FILE_START default_file_start
 168 #endif
 169
 170 #ifndef TARGET_ASM_FILE_END
 171 #define TARGET_ASM_FILE_END hook_void_void
 172 #endif
 173
 174 #ifndef TARGET_ASM_FILE_START_APP_OFF
 175 #define TARGET_ASM_FILE_START_APP_OFF false
 176 #endif
 177
 178 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
 179 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
 180 #endif
 181
 182 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
 183 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
 184 #endif
 185
 186 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
 187 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
 188 #endif
 189
 190 #define TARGET_ASM_ALIGNED_INT_OP                               \
 191                        {TARGET_ASM_ALIGNED_HI_OP,               \
 192                         TARGET_ASM_ALIGNED_SI_OP,               \
 193                         TARGET_ASM_ALIGNED_DI_OP,               \
 194                         TARGET_ASM_ALIGNED_TI_OP}
 195
 196 #define TARGET_ASM_UNALIGNED_INT_OP                             \
 197                        {TARGET_ASM_UNALIGNED_HI_OP,             \
 198                         TARGET_ASM_UNALIGNED_SI_OP,             \
 199                         TARGET_ASM_UNALIGNED_DI_OP,             \
 200                         TARGET_ASM_UNALIGNED_TI_OP}
 201
 202 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
 203                         TARGET_ASM_CLOSE_PAREN,                 \
 204                         TARGET_ASM_BYTE_OP,                     \
 205                         TARGET_ASM_ALIGNED_INT_OP,              \
 206                         TARGET_ASM_UNALIGNED_INT_OP,            \
 207                         TARGET_ASM_INTEGER,                     \
 208                         TARGET_ASM_GLOBALIZE_LABEL,             \
 209                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
 210                         TARGET_UNWIND_EMIT,                     \
 211                         TARGET_ASM_INTERNAL_LABEL,              \
 212                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
 213                         TARGET_ASM_FUNCTION_PROLOGUE,           \
 214                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
 215                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
 216                         TARGET_ASM_FUNCTION_EPILOGUE,           \
 217                         TARGET_ASM_NAMED_SECTION,               \
 218                         TARGET_ASM_EXCEPTION_SECTION,           \
 219                         TARGET_ASM_EH_FRAME_SECTION,            \
 220                         TARGET_ASM_SELECT_SECTION,              \
 221                         TARGET_ASM_SELECT_RTX_SECTION,          \
 222                         TARGET_ASM_UNIQUE_SECTION,              \
 223                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
 224                         TARGET_ASM_CONSTRUCTOR,                 \
 225                         TARGET_ASM_DESTRUCTOR,                  \
 226                         TARGET_ASM_OUTPUT_MI_THUNK,             \
 227                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
 228                         TARGET_ASM_FILE_START,                  \
 229                         TARGET_ASM_FILE_END,                    \
 230                         TARGET_ASM_EXTERNAL_LIBCALL,            \
 231                         TARGET_ASM_MARK_DECL_PRESERVED}
 232
 233 /* Scheduler hooks.  All of these default to null pointers, which
 234    haifa-sched.c looks for and handles.  */
 235 #define TARGET_SCHED_ADJUST_COST 0
 236 #define TARGET_SCHED_ADJUST_PRIORITY 0
 237 #define TARGET_SCHED_ISSUE_RATE 0
 238 #define TARGET_SCHED_VARIABLE_ISSUE 0
 239 #define TARGET_SCHED_INIT 0
 240 #define TARGET_SCHED_FINISH 0
 241 #define TARGET_SCHED_INIT_GLOBAL 0
 242 #define TARGET_SCHED_FINISH_GLOBAL 0
 243 #define TARGET_SCHED_REORDER 0
 244 #define TARGET_SCHED_REORDER2 0
 245 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
 246 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
 247 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
 248 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
 249 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
 250 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
 251 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
 252 #define TARGET_SCHED_DFA_NEW_CYCLE 0
 253 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
 254
 255 #define TARGET_SCHED                                            \
 256   {TARGET_SCHED_ADJUST_COST,                                    \
 257    TARGET_SCHED_ADJUST_PRIORITY,                                \
 258    TARGET_SCHED_ISSUE_RATE,                                     \
 259    TARGET_SCHED_VARIABLE_ISSUE,                                 \
 260    TARGET_SCHED_INIT,                                           \
 261    TARGET_SCHED_FINISH,                                         \
 262    TARGET_SCHED_INIT_GLOBAL,                                    \
 263    TARGET_SCHED_FINISH_GLOBAL,                                  \
 264    TARGET_SCHED_REORDER,                                        \
 265    TARGET_SCHED_REORDER2,                                       \
 266    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
 267    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
 268    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
 269    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
 270    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
 271    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
 272    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
 273    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
 274    TARGET_SCHED_IS_COSTLY_DEPENDENCE}
 275
 276 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
 277
 278 #define TARGET_VECTORIZE                                                \
 279   {TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD}
 280
 281 #define TARGET_DEFAULT_TARGET_FLAGS 0
 282
 283 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
 284
 285 /* In except.c */
 286 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
 287
 288 /* In tree.c.  */
 289 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 290 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
 291 #define TARGET_ATTRIBUTE_TABLE NULL
 292
 293 /* In cse.c.  */
 294 #define TARGET_ADDRESS_COST default_address_cost
 295
 296 /* In builtins.c.  */
 297 #define TARGET_INIT_BUILTINS hook_void_void
 298 #define TARGET_EXPAND_BUILTIN default_expand_builtin
 299 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
 300
 301 /* In varasm.c.  */
 302 #ifndef TARGET_SECTION_TYPE_FLAGS
 303 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 304 #endif
 305
 306 #ifndef TARGET_STRIP_NAME_ENCODING
 307 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
 308 #endif
 309
 310 #ifndef TARGET_BINDS_LOCAL_P
 311 #define TARGET_BINDS_LOCAL_P default_binds_local_p
 312 #endif
 313
 314 #ifndef TARGET_SHIFT_TRUNCATION_MASK
 315 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
 316 #endif
 317
 318 #ifndef TARGET_VALID_POINTER_MODE
 319 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
 320 #endif
 321
 322 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
 323 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
 324 #endif
 325
 326 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
 327 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
 328 #endif
 329
 330 #ifndef TARGET_VECTOR_OPAQUE_P
 331 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
 332 #endif
 333
 334 /* In hooks.c.  */
 335 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
 336 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
 337 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
 338 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
 339 #define TARGET_CANNOT_COPY_INSN_P NULL
 340 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
 341 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
 342 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
 343 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
 344 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
 345 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
 346 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
 347 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
 348 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
 349 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
 350
 351 #ifndef TARGET_INIT_LIBFUNCS
 352 #define TARGET_INIT_LIBFUNCS hook_void_void
 353 #endif
 354
 355 #ifndef TARGET_IN_SMALL_DATA_P
 356 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
 357 #endif
 358
 359 #ifndef TARGET_ENCODE_SECTION_INFO
 360 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
 361 #endif
 362
 363 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
 364 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
 365 #endif
 366
 367 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
 368
 369 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
 370
 371 #define TARGET_MACHINE_DEPENDENT_REORG 0
 372
 373 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
 374
 375 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
 376 #define TARGET_PCH_VALID_P default_pch_valid_p
 377
 378 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
 379
 380 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
 381
 382 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
 383
 384 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
 385
 386 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
 387
 388 #define TARGET_STDARG_OPTIMIZE_HOOK 0
 389
 390 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
 391 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
 392 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 393
 394 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 395 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 396 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
 397
 398 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
 399 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
 400 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
 401 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
 402   default_pretend_outgoing_varargs_named
 403 #define TARGET_SPLIT_COMPLEX_ARG NULL
 404
 405 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
 406 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 407
 408 #define TARGET_RELAXED_ORDERING false
 409
 410 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
 411 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 412 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
 413
 414 #define TARGET_CALLS {                                          \
 415    TARGET_PROMOTE_FUNCTION_ARGS,                                \
 416    TARGET_PROMOTE_FUNCTION_RETURN,                              \
 417    TARGET_PROMOTE_PROTOTYPES,                                   \
 418    TARGET_STRUCT_VALUE_RTX,                                     \
 419    TARGET_RETURN_IN_MEMORY,                                     \
 420    TARGET_RETURN_IN_MSB,                                        \
 421    TARGET_PASS_BY_REFERENCE,                                    \
 422    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
 423    TARGET_SETUP_INCOMING_VARARGS,                               \
 424    TARGET_STRICT_ARGUMENT_NAMING,                               \
 425    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
 426    TARGET_SPLIT_COMPLEX_ARG,                                    \
 427    TARGET_MUST_PASS_IN_STACK,                                   \
 428    TARGET_CALLEE_COPIES,                                        \
 429    TARGET_ARG_PARTIAL_BYTES,                                    \
 430    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN                       \
 431    }
 432
 433
 434 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
 435 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
 436 #endif
 437
 438 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
 439 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
 440 #endif
 441
 442
 443 /* C++ specific.  */
 444 #ifndef TARGET_CXX_GUARD_TYPE
 445 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
 446 #endif
 447
 448 #ifndef TARGET_CXX_GUARD_MASK_BIT
 449 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
 450 #endif
 451
 452 #ifndef TARGET_CXX_GET_COOKIE_SIZE
 453 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
 454 #endif
 455
 456 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
 457 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
 458 #endif
 459
 460 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
 461 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
 462 #endif
 463
 464 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
 465 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
 466 #endif
 467
 468 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
 469 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
 470 #endif
 471
 472 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
 473 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
 474 #endif
 475
 476 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
 477 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
 478 #endif
 479
 480 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
 481 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
 482 #endif
 483
 484 #define TARGET_CXX                              \
 485   {                                             \
 486     TARGET_CXX_GUARD_TYPE,                      \
 487     TARGET_CXX_GUARD_MASK_BIT,                  \
 488     TARGET_CXX_GET_COOKIE_SIZE,                 \
 489     TARGET_CXX_COOKIE_HAS_SIZE,                 \
 490     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
 491     TARGET_CXX_CDTOR_RETURNS_THIS,              \
 492     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
 493     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
 494     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
 495     TARGET_CXX_USE_AEABI_ATEXIT                 \
 496   }
 497
 498 /* The whole shebang.  */
 499 #define TARGET_INITIALIZER                      \
 500 {                                               \
 501   TARGET_ASM_OUT,                               \
 502   TARGET_SCHED,                                 \
 503   TARGET_VECTORIZE,                             \
 504   TARGET_DEFAULT_TARGET_FLAGS,                  \
 505   TARGET_HANDLE_OPTION,                         \
 506   TARGET_EH_RETURN_FILTER_MODE,                 \
 507   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 508   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 509   TARGET_ATTRIBUTE_TABLE,                       \
 510   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 511   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 512   TARGET_INSERT_ATTRIBUTES,                     \
 513   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
 514   TARGET_MS_BITFIELD_LAYOUT_P,                  \
 515   TARGET_ALIGN_ANON_BITFIELD,                   \
 516   TARGET_INIT_BUILTINS,                         \
 517   TARGET_EXPAND_BUILTIN,                        \
 518   TARGET_FOLD_BUILTIN,                          \
 519   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
 520   TARGET_INIT_LIBFUNCS,                         \
 521   TARGET_SECTION_TYPE_FLAGS,                    \
 522   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
 523   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
 524   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
 525   TARGET_CANNOT_FORCE_CONST_MEM,                \
 526   TARGET_CANNOT_COPY_INSN_P,                    \
 527   TARGET_DELEGITIMIZE_ADDRESS,                  \
 528   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
 529   TARGET_IN_SMALL_DATA_P,                       \
 530   TARGET_BINDS_LOCAL_P,                         \
 531   TARGET_ENCODE_SECTION_INFO,                   \
 532   TARGET_STRIP_NAME_ENCODING,                   \
 533   TARGET_SHIFT_TRUNCATION_MASK,                 \
 534   TARGET_VALID_POINTER_MODE,                    \
 535   TARGET_SCALAR_MODE_SUPPORTED_P,               \
 536   TARGET_VECTOR_MODE_SUPPORTED_P,               \
 537   TARGET_VECTOR_OPAQUE_P,                       \
 538   TARGET_RTX_COSTS,                             \
 539   TARGET_ADDRESS_COST,                          \
 540   TARGET_DWARF_REGISTER_SPAN,                   \
 541   TARGET_FIXED_CONDITION_CODE_REGS,             \
 542   TARGET_CC_MODES_COMPATIBLE,                   \
 543   TARGET_MACHINE_DEPENDENT_REORG,               \
 544   TARGET_BUILD_BUILTIN_VA_LIST,                 \
 545   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
 546   TARGET_GET_PCH_VALIDITY,                      \
 547   TARGET_PCH_VALID_P,                           \
 548   TARGET_DEFAULT_SHORT_ENUMS,                   \
 549   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
 550   TARGET_MD_ASM_CLOBBERS,                       \
 551   TARGET_DWARF_CALLING_CONVENTION,              \
 552   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
 553   TARGET_STDARG_OPTIMIZE_HOOK,                  \
 554   TARGET_CALLS,                                 \
 555   TARGET_CXX,                                   \
 556   TARGET_HAVE_NAMED_SECTIONS,                   \
 557   TARGET_HAVE_CTORS_DTORS,                      \
 558   TARGET_HAVE_TLS,                              \
 559   TARGET_HAVE_SRODATA_SECTION,                  \
 560   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
 561   TARGET_ASM_FILE_START_APP_OFF,                \
 562   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
 563   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
 564   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
 565   TARGET_RELAXED_ORDERING,                      \
 566 }
 567
 568 #include "hooks.h"
 569 #include "targhooks.h"