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 #ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
 195 #define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
 196 #endif
 197
 198 #define TARGET_ASM_ALIGNED_INT_OP                               \
 199                        {TARGET_ASM_ALIGNED_HI_OP,               \
 200                         TARGET_ASM_ALIGNED_SI_OP,               \
 201                         TARGET_ASM_ALIGNED_DI_OP,               \
 202                         TARGET_ASM_ALIGNED_TI_OP}
 203
 204 #define TARGET_ASM_UNALIGNED_INT_OP                             \
 205                        {TARGET_ASM_UNALIGNED_HI_OP,             \
 206                         TARGET_ASM_UNALIGNED_SI_OP,             \
 207                         TARGET_ASM_UNALIGNED_DI_OP,             \
 208                         TARGET_ASM_UNALIGNED_TI_OP}
 209
 210 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
 211                         TARGET_ASM_CLOSE_PAREN,                 \
 212                         TARGET_ASM_BYTE_OP,                     \
 213                         TARGET_ASM_ALIGNED_INT_OP,              \
 214                         TARGET_ASM_UNALIGNED_INT_OP,            \
 215                         TARGET_ASM_INTEGER,                     \
 216                         TARGET_ASM_GLOBALIZE_LABEL,             \
 217                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
 218                         TARGET_UNWIND_EMIT,                     \
 219                         TARGET_ASM_INTERNAL_LABEL,              \
 220                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
 221                         TARGET_ASM_FUNCTION_PROLOGUE,           \
 222                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
 223                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
 224                         TARGET_ASM_FUNCTION_EPILOGUE,           \
 225                         TARGET_ASM_NAMED_SECTION,               \
 226                         TARGET_ASM_EXCEPTION_SECTION,           \
 227                         TARGET_ASM_EH_FRAME_SECTION,            \
 228                         TARGET_ASM_SELECT_SECTION,              \
 229                         TARGET_ASM_SELECT_RTX_SECTION,          \
 230                         TARGET_ASM_UNIQUE_SECTION,              \
 231                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
 232                         TARGET_ASM_CONSTRUCTOR,                 \
 233                         TARGET_ASM_DESTRUCTOR,                  \
 234                         TARGET_ASM_OUTPUT_MI_THUNK,             \
 235                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
 236                         TARGET_ASM_FILE_START,                  \
 237                         TARGET_ASM_FILE_END,                    \
 238                         TARGET_ASM_EXTERNAL_LIBCALL,            \
 239                         TARGET_ASM_MARK_DECL_PRESERVED,         \
 240                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
 241
 242 /* Scheduler hooks.  All of these default to null pointers, which
 243    haifa-sched.c looks for and handles.  */
 244 #define TARGET_SCHED_ADJUST_COST 0
 245 #define TARGET_SCHED_ADJUST_PRIORITY 0
 246 #define TARGET_SCHED_ISSUE_RATE 0
 247 #define TARGET_SCHED_VARIABLE_ISSUE 0
 248 #define TARGET_SCHED_INIT 0
 249 #define TARGET_SCHED_FINISH 0
 250 #define TARGET_SCHED_INIT_GLOBAL 0
 251 #define TARGET_SCHED_FINISH_GLOBAL 0
 252 #define TARGET_SCHED_REORDER 0
 253 #define TARGET_SCHED_REORDER2 0
 254 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
 255 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
 256 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
 257 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
 258 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
 259 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
 260 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
 261 #define TARGET_SCHED_DFA_NEW_CYCLE 0
 262 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
 263
 264 #define TARGET_SCHED                                            \
 265   {TARGET_SCHED_ADJUST_COST,                                    \
 266    TARGET_SCHED_ADJUST_PRIORITY,                                \
 267    TARGET_SCHED_ISSUE_RATE,                                     \
 268    TARGET_SCHED_VARIABLE_ISSUE,                                 \
 269    TARGET_SCHED_INIT,                                           \
 270    TARGET_SCHED_FINISH,                                         \
 271    TARGET_SCHED_INIT_GLOBAL,                                    \
 272    TARGET_SCHED_FINISH_GLOBAL,                                  \
 273    TARGET_SCHED_REORDER,                                        \
 274    TARGET_SCHED_REORDER2,                                       \
 275    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
 276    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
 277    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
 278    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
 279    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
 280    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
 281    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
 282    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
 283    TARGET_SCHED_IS_COSTLY_DEPENDENCE}
 284
 285 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
 286
 287 #define TARGET_VECTORIZE                                                \
 288   {TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD}
 289
 290 #define TARGET_DEFAULT_TARGET_FLAGS 0
 291
 292 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
 293
 294 /* In except.c */
 295 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
 296
 297 /* In tree.c.  */
 298 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 299 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
 300 #define TARGET_ATTRIBUTE_TABLE NULL
 301
 302 /* In cse.c.  */
 303 #define TARGET_ADDRESS_COST default_address_cost
 304
 305 /* In builtins.c.  */
 306 #define TARGET_INIT_BUILTINS hook_void_void
 307 #define TARGET_EXPAND_BUILTIN default_expand_builtin
 308 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
 309 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
 310
 311 /* In varasm.c.  */
 312 #ifndef TARGET_SECTION_TYPE_FLAGS
 313 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 314 #endif
 315
 316 #ifndef TARGET_STRIP_NAME_ENCODING
 317 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
 318 #endif
 319
 320 #ifndef TARGET_BINDS_LOCAL_P
 321 #define TARGET_BINDS_LOCAL_P default_binds_local_p
 322 #endif
 323
 324 #ifndef TARGET_SHIFT_TRUNCATION_MASK
 325 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
 326 #endif
 327
 328 #ifndef TARGET_VALID_POINTER_MODE
 329 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
 330 #endif
 331
 332 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
 333 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
 334 #endif
 335
 336 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
 337 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
 338 #endif
 339
 340 #ifndef TARGET_VECTOR_OPAQUE_P
 341 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
 342 #endif
 343
 344 /* In hooks.c.  */
 345 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
 346 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
 347 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
 348 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
 349 #define TARGET_CANNOT_COPY_INSN_P NULL
 350 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
 351 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
 352 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
 353 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
 354 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
 355 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
 356 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
 357 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
 358 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
 359 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
 360
 361 #ifndef TARGET_INIT_LIBFUNCS
 362 #define TARGET_INIT_LIBFUNCS hook_void_void
 363 #endif
 364
 365 #ifndef TARGET_IN_SMALL_DATA_P
 366 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
 367 #endif
 368
 369 #ifndef TARGET_ENCODE_SECTION_INFO
 370 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
 371 #endif
 372
 373 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
 374 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
 375 #endif
 376
 377 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
 378
 379 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
 380
 381 #define TARGET_MACHINE_DEPENDENT_REORG 0
 382
 383 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
 384
 385 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
 386 #define TARGET_PCH_VALID_P default_pch_valid_p
 387 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
 388
 389 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
 390
 391 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
 392
 393 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
 394
 395 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
 396
 397 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
 398
 399 #define TARGET_STDARG_OPTIMIZE_HOOK 0
 400
 401 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
 402 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
 403 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 404
 405 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 406 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 407 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
 408
 409 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
 410 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
 411 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
 412 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
 413   default_pretend_outgoing_varargs_named
 414 #define TARGET_SPLIT_COMPLEX_ARG NULL
 415
 416 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
 417 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 418
 419 #define TARGET_RELAXED_ORDERING false
 420
 421 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
 422 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 423 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
 424
 425 #define TARGET_CALLS {                                          \
 426    TARGET_PROMOTE_FUNCTION_ARGS,                                \
 427    TARGET_PROMOTE_FUNCTION_RETURN,                              \
 428    TARGET_PROMOTE_PROTOTYPES,                                   \
 429    TARGET_STRUCT_VALUE_RTX,                                     \
 430    TARGET_RETURN_IN_MEMORY,                                     \
 431    TARGET_RETURN_IN_MSB,                                        \
 432    TARGET_PASS_BY_REFERENCE,                                    \
 433    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
 434    TARGET_SETUP_INCOMING_VARARGS,                               \
 435    TARGET_STRICT_ARGUMENT_NAMING,                               \
 436    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
 437    TARGET_SPLIT_COMPLEX_ARG,                                    \
 438    TARGET_MUST_PASS_IN_STACK,                                   \
 439    TARGET_CALLEE_COPIES,                                        \
 440    TARGET_ARG_PARTIAL_BYTES,                                    \
 441    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN                       \
 442    }
 443
 444
 445 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
 446 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
 447 #endif
 448
 449 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
 450 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
 451 #endif
 452
 453
 454 /* C++ specific.  */
 455 #ifndef TARGET_CXX_GUARD_TYPE
 456 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
 457 #endif
 458
 459 #ifndef TARGET_CXX_GUARD_MASK_BIT
 460 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
 461 #endif
 462
 463 #ifndef TARGET_CXX_GET_COOKIE_SIZE
 464 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
 465 #endif
 466
 467 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
 468 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
 469 #endif
 470
 471 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
 472 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
 473 #endif
 474
 475 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
 476 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
 477 #endif
 478
 479 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
 480 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
 481 #endif
 482
 483 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
 484 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
 485 #endif
 486
 487 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
 488 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
 489 #endif
 490
 491 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
 492 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
 493 #endif
 494
 495 #define TARGET_CXX                              \
 496   {                                             \
 497     TARGET_CXX_GUARD_TYPE,                      \
 498     TARGET_CXX_GUARD_MASK_BIT,                  \
 499     TARGET_CXX_GET_COOKIE_SIZE,                 \
 500     TARGET_CXX_COOKIE_HAS_SIZE,                 \
 501     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
 502     TARGET_CXX_CDTOR_RETURNS_THIS,              \
 503     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
 504     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
 505     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
 506     TARGET_CXX_USE_AEABI_ATEXIT                 \
 507   }
 508
 509 /* The whole shebang.  */
 510 #define TARGET_INITIALIZER                      \
 511 {                                               \
 512   TARGET_ASM_OUT,                               \
 513   TARGET_SCHED,                                 \
 514   TARGET_VECTORIZE,                             \
 515   TARGET_DEFAULT_TARGET_FLAGS,                  \
 516   TARGET_HANDLE_OPTION,                         \
 517   TARGET_EH_RETURN_FILTER_MODE,                 \
 518   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 519   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 520   TARGET_ATTRIBUTE_TABLE,                       \
 521   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 522   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 523   TARGET_INSERT_ATTRIBUTES,                     \
 524   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
 525   TARGET_MS_BITFIELD_LAYOUT_P,                  \
 526   TARGET_ALIGN_ANON_BITFIELD,                   \
 527   TARGET_INIT_BUILTINS,                         \
 528   TARGET_EXPAND_BUILTIN,                        \
 529   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
 530   TARGET_FOLD_BUILTIN,                          \
 531   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
 532   TARGET_INIT_LIBFUNCS,                         \
 533   TARGET_SECTION_TYPE_FLAGS,                    \
 534   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
 535   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
 536   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
 537   TARGET_CANNOT_FORCE_CONST_MEM,                \
 538   TARGET_CANNOT_COPY_INSN_P,                    \
 539   TARGET_DELEGITIMIZE_ADDRESS,                  \
 540   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
 541   TARGET_IN_SMALL_DATA_P,                       \
 542   TARGET_BINDS_LOCAL_P,                         \
 543   TARGET_ENCODE_SECTION_INFO,                   \
 544   TARGET_STRIP_NAME_ENCODING,                   \
 545   TARGET_SHIFT_TRUNCATION_MASK,                 \
 546   TARGET_VALID_POINTER_MODE,                    \
 547   TARGET_SCALAR_MODE_SUPPORTED_P,               \
 548   TARGET_VECTOR_MODE_SUPPORTED_P,               \
 549   TARGET_VECTOR_OPAQUE_P,                       \
 550   TARGET_RTX_COSTS,                             \
 551   TARGET_ADDRESS_COST,                          \
 552   TARGET_DWARF_REGISTER_SPAN,                   \
 553   TARGET_FIXED_CONDITION_CODE_REGS,             \
 554   TARGET_CC_MODES_COMPATIBLE,                   \
 555   TARGET_MACHINE_DEPENDENT_REORG,               \
 556   TARGET_BUILD_BUILTIN_VA_LIST,                 \
 557   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
 558   TARGET_GET_PCH_VALIDITY,                      \
 559   TARGET_PCH_VALID_P,                           \
 560   TARGET_CHECK_PCH_TARGET_FLAGS,                \
 561   TARGET_DEFAULT_SHORT_ENUMS,                   \
 562   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
 563   TARGET_MD_ASM_CLOBBERS,                       \
 564   TARGET_DWARF_CALLING_CONVENTION,              \
 565   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
 566   TARGET_STDARG_OPTIMIZE_HOOK,                  \
 567   TARGET_INSN_VALID_WITHIN_DOLOOP,              \
 568   TARGET_CALLS,                                 \
 569   TARGET_CXX,                                   \
 570   TARGET_HAVE_NAMED_SECTIONS,                   \
 571   TARGET_HAVE_CTORS_DTORS,                      \
 572   TARGET_HAVE_TLS,                              \
 573   TARGET_HAVE_SRODATA_SECTION,                  \
 574   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
 575   TARGET_ASM_FILE_START_APP_OFF,                \
 576   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
 577   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
 578   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
 579   TARGET_RELAXED_ORDERING,                      \
 580 }
 581
 582 #include "hooks.h"
 583 #include "targhooks.h"