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_INSN_VALID_WITHIN_DOLOOP
 141 #define TARGET_INSN_VALID_WITHIN_DOLOOP default_insn_valid_within_doloop
 142 #endif
 143
 144 #ifndef TARGET_HAVE_TLS
 145 #define TARGET_HAVE_TLS false
 146 #endif
 147
 148 #ifndef TARGET_HAVE_SRODATA_SECTION
 149 #define TARGET_HAVE_SRODATA_SECTION false
 150 #endif
 151
 152 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
 153 #ifdef EH_FRAME_SECTION_NAME
 154 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
 155 #else
 156 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
 157 #endif
 158 #endif
 159
 160 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
 161
 162 #ifndef TARGET_ASM_EXCEPTION_SECTION
 163 #define TARGET_ASM_EXCEPTION_SECTION default_exception_section
 164 #endif
 165
 166 #ifndef TARGET_ASM_EH_FRAME_SECTION
 167 #define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section
 168 #endif
 169
 170 #ifndef TARGET_ASM_FILE_START
 171 #define TARGET_ASM_FILE_START default_file_start
 172 #endif
 173
 174 #ifndef TARGET_ASM_FILE_END
 175 #define TARGET_ASM_FILE_END hook_void_void
 176 #endif
 177
 178 #ifndef TARGET_ASM_FILE_START_APP_OFF
 179 #define TARGET_ASM_FILE_START_APP_OFF false
 180 #endif
 181
 182 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
 183 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
 184 #endif
 185
 186 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
 187 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
 188 #endif
 189
 190 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
 191 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
 192 #endif
 193
 194 #define TARGET_ASM_ALIGNED_INT_OP                               \
 195                        {TARGET_ASM_ALIGNED_HI_OP,               \
 196                         TARGET_ASM_ALIGNED_SI_OP,               \
 197                         TARGET_ASM_ALIGNED_DI_OP,               \
 198                         TARGET_ASM_ALIGNED_TI_OP}
 199
 200 #define TARGET_ASM_UNALIGNED_INT_OP                             \
 201                        {TARGET_ASM_UNALIGNED_HI_OP,             \
 202                         TARGET_ASM_UNALIGNED_SI_OP,             \
 203                         TARGET_ASM_UNALIGNED_DI_OP,             \
 204                         TARGET_ASM_UNALIGNED_TI_OP}
 205
 206 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
 207                         TARGET_ASM_CLOSE_PAREN,                 \
 208                         TARGET_ASM_BYTE_OP,                     \
 209                         TARGET_ASM_ALIGNED_INT_OP,              \
 210                         TARGET_ASM_UNALIGNED_INT_OP,            \
 211                         TARGET_ASM_INTEGER,                     \
 212                         TARGET_ASM_GLOBALIZE_LABEL,             \
 213                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
 214                         TARGET_UNWIND_EMIT,                     \
 215                         TARGET_ASM_INTERNAL_LABEL,              \
 216                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
 217                         TARGET_ASM_FUNCTION_PROLOGUE,           \
 218                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
 219                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
 220                         TARGET_ASM_FUNCTION_EPILOGUE,           \
 221                         TARGET_ASM_NAMED_SECTION,               \
 222                         TARGET_ASM_EXCEPTION_SECTION,           \
 223                         TARGET_ASM_EH_FRAME_SECTION,            \
 224                         TARGET_ASM_SELECT_SECTION,              \
 225                         TARGET_ASM_SELECT_RTX_SECTION,          \
 226                         TARGET_ASM_UNIQUE_SECTION,              \
 227                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
 228                         TARGET_ASM_CONSTRUCTOR,                 \
 229                         TARGET_ASM_DESTRUCTOR,                  \
 230                         TARGET_ASM_OUTPUT_MI_THUNK,             \
 231                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
 232                         TARGET_ASM_FILE_START,                  \
 233                         TARGET_ASM_FILE_END,                    \
 234                         TARGET_ASM_EXTERNAL_LIBCALL,            \
 235                         TARGET_ASM_MARK_DECL_PRESERVED}
 236
 237 /* Scheduler hooks.  All of these default to null pointers, which
 238    haifa-sched.c looks for and handles.  */
 239 #define TARGET_SCHED_ADJUST_COST 0
 240 #define TARGET_SCHED_ADJUST_PRIORITY 0
 241 #define TARGET_SCHED_ISSUE_RATE 0
 242 #define TARGET_SCHED_VARIABLE_ISSUE 0
 243 #define TARGET_SCHED_INIT 0
 244 #define TARGET_SCHED_FINISH 0
 245 #define TARGET_SCHED_INIT_GLOBAL 0
 246 #define TARGET_SCHED_FINISH_GLOBAL 0
 247 #define TARGET_SCHED_REORDER 0
 248 #define TARGET_SCHED_REORDER2 0
 249 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
 250 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
 251 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
 252 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
 253 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
 254 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
 255 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
 256 #define TARGET_SCHED_DFA_NEW_CYCLE 0
 257 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
 258
 259 #define TARGET_SCHED                                            \
 260   {TARGET_SCHED_ADJUST_COST,                                    \
 261    TARGET_SCHED_ADJUST_PRIORITY,                                \
 262    TARGET_SCHED_ISSUE_RATE,                                     \
 263    TARGET_SCHED_VARIABLE_ISSUE,                                 \
 264    TARGET_SCHED_INIT,                                           \
 265    TARGET_SCHED_FINISH,                                         \
 266    TARGET_SCHED_INIT_GLOBAL,                                    \
 267    TARGET_SCHED_FINISH_GLOBAL,                                  \
 268    TARGET_SCHED_REORDER,                                        \
 269    TARGET_SCHED_REORDER2,                                       \
 270    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
 271    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
 272    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
 273    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
 274    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
 275    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
 276    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
 277    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
 278    TARGET_SCHED_IS_COSTLY_DEPENDENCE}
 279
 280 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
 281
 282 #define TARGET_VECTORIZE                                                \
 283   {TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD}
 284
 285 #define TARGET_DEFAULT_TARGET_FLAGS 0
 286
 287 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
 288
 289 /* In except.c */
 290 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
 291
 292 /* In tree.c.  */
 293 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 294 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
 295 #define TARGET_ATTRIBUTE_TABLE NULL
 296
 297 /* In cse.c.  */
 298 #define TARGET_ADDRESS_COST default_address_cost
 299
 300 /* In builtins.c.  */
 301 #define TARGET_INIT_BUILTINS hook_void_void
 302 #define TARGET_EXPAND_BUILTIN default_expand_builtin
 303 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
 304 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
 305
 306 /* In varasm.c.  */
 307 #ifndef TARGET_SECTION_TYPE_FLAGS
 308 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 309 #endif
 310
 311 #ifndef TARGET_STRIP_NAME_ENCODING
 312 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
 313 #endif
 314
 315 #ifndef TARGET_BINDS_LOCAL_P
 316 #define TARGET_BINDS_LOCAL_P default_binds_local_p
 317 #endif
 318
 319 #ifndef TARGET_SHIFT_TRUNCATION_MASK
 320 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
 321 #endif
 322
 323 #ifndef TARGET_VALID_POINTER_MODE
 324 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
 325 #endif
 326
 327 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
 328 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
 329 #endif
 330
 331 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
 332 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
 333 #endif
 334
 335 #ifndef TARGET_VECTOR_OPAQUE_P
 336 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
 337 #endif
 338
 339 /* In hooks.c.  */
 340 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
 341 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
 342 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
 343 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
 344 #define TARGET_CANNOT_COPY_INSN_P NULL
 345 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
 346 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
 347 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
 348 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
 349 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
 350 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
 351 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
 352 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
 353 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
 354 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
 355
 356 #ifndef TARGET_INIT_LIBFUNCS
 357 #define TARGET_INIT_LIBFUNCS hook_void_void
 358 #endif
 359
 360 #ifndef TARGET_IN_SMALL_DATA_P
 361 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
 362 #endif
 363
 364 #ifndef TARGET_ENCODE_SECTION_INFO
 365 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
 366 #endif
 367
 368 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
 369 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
 370 #endif
 371
 372 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
 373
 374 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
 375
 376 #define TARGET_MACHINE_DEPENDENT_REORG 0
 377
 378 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
 379
 380 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
 381 #define TARGET_PCH_VALID_P default_pch_valid_p
 382 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
 383
 384 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
 385
 386 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
 387
 388 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
 389
 390 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
 391
 392 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
 393
 394 #define TARGET_STDARG_OPTIMIZE_HOOK 0
 395
 396 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
 397 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
 398 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 399
 400 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 401 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 402 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
 403
 404 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
 405 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
 406 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
 407 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
 408   default_pretend_outgoing_varargs_named
 409 #define TARGET_SPLIT_COMPLEX_ARG NULL
 410
 411 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
 412 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 413
 414 #define TARGET_RELAXED_ORDERING false
 415
 416 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
 417 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 418 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
 419
 420 #define TARGET_CALLS {                                          \
 421    TARGET_PROMOTE_FUNCTION_ARGS,                                \
 422    TARGET_PROMOTE_FUNCTION_RETURN,                              \
 423    TARGET_PROMOTE_PROTOTYPES,                                   \
 424    TARGET_STRUCT_VALUE_RTX,                                     \
 425    TARGET_RETURN_IN_MEMORY,                                     \
 426    TARGET_RETURN_IN_MSB,                                        \
 427    TARGET_PASS_BY_REFERENCE,                                    \
 428    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
 429    TARGET_SETUP_INCOMING_VARARGS,                               \
 430    TARGET_STRICT_ARGUMENT_NAMING,                               \
 431    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
 432    TARGET_SPLIT_COMPLEX_ARG,                                    \
 433    TARGET_MUST_PASS_IN_STACK,                                   \
 434    TARGET_CALLEE_COPIES,                                        \
 435    TARGET_ARG_PARTIAL_BYTES,                                    \
 436    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN                       \
 437    }
 438
 439
 440 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
 441 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
 442 #endif
 443
 444 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
 445 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
 446 #endif
 447
 448
 449 /* C++ specific.  */
 450 #ifndef TARGET_CXX_GUARD_TYPE
 451 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
 452 #endif
 453
 454 #ifndef TARGET_CXX_GUARD_MASK_BIT
 455 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
 456 #endif
 457
 458 #ifndef TARGET_CXX_GET_COOKIE_SIZE
 459 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
 460 #endif
 461
 462 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
 463 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
 464 #endif
 465
 466 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
 467 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
 468 #endif
 469
 470 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
 471 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
 472 #endif
 473
 474 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
 475 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
 476 #endif
 477
 478 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
 479 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
 480 #endif
 481
 482 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
 483 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
 484 #endif
 485
 486 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
 487 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
 488 #endif
 489
 490 #define TARGET_CXX                              \
 491   {                                             \
 492     TARGET_CXX_GUARD_TYPE,                      \
 493     TARGET_CXX_GUARD_MASK_BIT,                  \
 494     TARGET_CXX_GET_COOKIE_SIZE,                 \
 495     TARGET_CXX_COOKIE_HAS_SIZE,                 \
 496     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
 497     TARGET_CXX_CDTOR_RETURNS_THIS,              \
 498     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
 499     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
 500     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
 501     TARGET_CXX_USE_AEABI_ATEXIT                 \
 502   }
 503
 504 /* The whole shebang.  */
 505 #define TARGET_INITIALIZER                      \
 506 {                                               \
 507   TARGET_ASM_OUT,                               \
 508   TARGET_SCHED,                                 \
 509   TARGET_VECTORIZE,                             \
 510   TARGET_DEFAULT_TARGET_FLAGS,                  \
 511   TARGET_HANDLE_OPTION,                         \
 512   TARGET_EH_RETURN_FILTER_MODE,                 \
 513   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 514   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 515   TARGET_ATTRIBUTE_TABLE,                       \
 516   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 517   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 518   TARGET_INSERT_ATTRIBUTES,                     \
 519   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
 520   TARGET_MS_BITFIELD_LAYOUT_P,                  \
 521   TARGET_ALIGN_ANON_BITFIELD,                   \
 522   TARGET_INIT_BUILTINS,                         \
 523   TARGET_EXPAND_BUILTIN,                        \
 524   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
 525   TARGET_FOLD_BUILTIN,                          \
 526   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
 527   TARGET_INIT_LIBFUNCS,                         \
 528   TARGET_SECTION_TYPE_FLAGS,                    \
 529   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
 530   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
 531   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
 532   TARGET_CANNOT_FORCE_CONST_MEM,                \
 533   TARGET_CANNOT_COPY_INSN_P,                    \
 534   TARGET_DELEGITIMIZE_ADDRESS,                  \
 535   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
 536   TARGET_IN_SMALL_DATA_P,                       \
 537   TARGET_BINDS_LOCAL_P,                         \
 538   TARGET_ENCODE_SECTION_INFO,                   \
 539   TARGET_STRIP_NAME_ENCODING,                   \
 540   TARGET_SHIFT_TRUNCATION_MASK,                 \
 541   TARGET_VALID_POINTER_MODE,                    \
 542   TARGET_SCALAR_MODE_SUPPORTED_P,               \
 543   TARGET_VECTOR_MODE_SUPPORTED_P,               \
 544   TARGET_VECTOR_OPAQUE_P,                       \
 545   TARGET_RTX_COSTS,                             \
 546   TARGET_ADDRESS_COST,                          \
 547   TARGET_DWARF_REGISTER_SPAN,                   \
 548   TARGET_FIXED_CONDITION_CODE_REGS,             \
 549   TARGET_CC_MODES_COMPATIBLE,                   \
 550   TARGET_MACHINE_DEPENDENT_REORG,               \
 551   TARGET_BUILD_BUILTIN_VA_LIST,                 \
 552   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
 553   TARGET_GET_PCH_VALIDITY,                      \
 554   TARGET_PCH_VALID_P,                           \
 555   TARGET_CHECK_PCH_TARGET_FLAGS,                \
 556   TARGET_DEFAULT_SHORT_ENUMS,                   \
 557   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
 558   TARGET_MD_ASM_CLOBBERS,                       \
 559   TARGET_DWARF_CALLING_CONVENTION,              \
 560   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
 561   TARGET_STDARG_OPTIMIZE_HOOK,                  \
 562   TARGET_INSN_VALID_WITHIN_DOLOOP,              \
 563   TARGET_CALLS,                                 \
 564   TARGET_CXX,                                   \
 565   TARGET_HAVE_NAMED_SECTIONS,                   \
 566   TARGET_HAVE_CTORS_DTORS,                      \
 567   TARGET_HAVE_TLS,                              \
 568   TARGET_HAVE_SRODATA_SECTION,                  \
 569   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
 570   TARGET_ASM_FILE_START_APP_OFF,                \
 571   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
 572   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
 573   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
 574   TARGET_RELAXED_ORDERING,                      \
 575 }
 576
 577 #include "hooks.h"
 578 #include "targhooks.h"