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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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_ARM_TTYPE
  74 #define TARGET_ASM_TTYPE hook_bool_rtx_false
  75 #endif
  76
  77 #ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
  78 #define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility
  79 #endif
  80
  81 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
  82 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
  83 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
  84 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
  85
  86 #ifndef TARGET_ASM_SELECT_SECTION
  87 #define TARGET_ASM_SELECT_SECTION default_select_section
  88 #endif
  89
  90 #ifndef TARGET_ASM_UNIQUE_SECTION
  91 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
  92 #endif
  93
  94 #ifndef TARGET_ASM_FUNCTION_RODATA_SECTION
  95 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_function_rodata_section
  96 #endif
  97
  98 #ifndef TARGET_ASM_SELECT_RTX_SECTION
  99 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
 100 #endif
 101
 102 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
 103 # ifdef CTORS_SECTION_ASM_OP
 104 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
 105 # else
 106 #  ifdef TARGET_ASM_NAMED_SECTION
 107 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
 108 #  else
 109 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
 110 #  endif
 111 # endif
 112 #endif
 113
 114 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
 115 # ifdef DTORS_SECTION_ASM_OP
 116 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
 117 # else
 118 #  ifdef TARGET_ASM_NAMED_SECTION
 119 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
 120 #  else
 121 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
 122 #  endif
 123 # endif
 124 #endif
 125
 126 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
 127 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false
 128
 129 #if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
 130 #define TARGET_HAVE_CTORS_DTORS true
 131 #else
 132 #define TARGET_HAVE_CTORS_DTORS false
 133 #define TARGET_ASM_CONSTRUCTOR NULL
 134 #define TARGET_ASM_DESTRUCTOR NULL
 135 #endif
 136
 137 #ifdef TARGET_ASM_NAMED_SECTION
 138 #define TARGET_HAVE_NAMED_SECTIONS true
 139 #else
 140 #define TARGET_ASM_NAMED_SECTION default_no_named_section
 141 #define TARGET_HAVE_NAMED_SECTIONS false
 142 #endif
 143
 144 #ifndef TARGET_INVALID_WITHIN_DOLOOP
 145 #define TARGET_INVALID_WITHIN_DOLOOP default_invalid_within_doloop
 146 #endif
 147
 148 #ifndef TARGET_HAVE_TLS
 149 #define TARGET_HAVE_TLS false
 150 #endif
 151
 152 #ifndef TARGET_HAVE_SRODATA_SECTION
 153 #define TARGET_HAVE_SRODATA_SECTION false
 154 #endif
 155
 156 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
 157 #ifdef EH_FRAME_SECTION_NAME
 158 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
 159 #else
 160 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
 161 #endif
 162 #endif
 163
 164 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
 165
 166 #ifndef TARGET_ASM_EXCEPTION_SECTION
 167 #define TARGET_ASM_EXCEPTION_SECTION default_exception_section
 168 #endif
 169
 170 #ifndef TARGET_ASM_EH_FRAME_SECTION
 171 #define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section
 172 #endif
 173
 174 #ifndef TARGET_ASM_FILE_START
 175 #define TARGET_ASM_FILE_START default_file_start
 176 #endif
 177
 178 #ifndef TARGET_ASM_FILE_END
 179 #define TARGET_ASM_FILE_END hook_void_void
 180 #endif
 181
 182 #ifndef TARGET_ASM_FILE_START_APP_OFF
 183 #define TARGET_ASM_FILE_START_APP_OFF false
 184 #endif
 185
 186 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
 187 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
 188 #endif
 189
 190 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
 191 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
 192 #endif
 193
 194 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
 195 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
 196 #endif
 197
 198 #ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
 199 #define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
 200 #endif
 201
 202 #define TARGET_ASM_ALIGNED_INT_OP                               \
 203                        {TARGET_ASM_ALIGNED_HI_OP,               \
 204                         TARGET_ASM_ALIGNED_SI_OP,               \
 205                         TARGET_ASM_ALIGNED_DI_OP,               \
 206                         TARGET_ASM_ALIGNED_TI_OP}
 207
 208 #define TARGET_ASM_UNALIGNED_INT_OP                             \
 209                        {TARGET_ASM_UNALIGNED_HI_OP,             \
 210                         TARGET_ASM_UNALIGNED_SI_OP,             \
 211                         TARGET_ASM_UNALIGNED_DI_OP,             \
 212                         TARGET_ASM_UNALIGNED_TI_OP}
 213
 214 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
 215                         TARGET_ASM_CLOSE_PAREN,                 \
 216                         TARGET_ASM_BYTE_OP,                     \
 217                         TARGET_ASM_ALIGNED_INT_OP,              \
 218                         TARGET_ASM_UNALIGNED_INT_OP,            \
 219                         TARGET_ASM_INTEGER,                     \
 220                         TARGET_ASM_GLOBALIZE_LABEL,             \
 221                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
 222                         TARGET_UNWIND_EMIT,                     \
 223                         TARGET_ASM_INTERNAL_LABEL,              \
 224                         TARGET_ASM_TTYPE,                       \
 225                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
 226                         TARGET_ASM_FUNCTION_PROLOGUE,           \
 227                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
 228                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
 229                         TARGET_ASM_FUNCTION_EPILOGUE,           \
 230                         TARGET_ASM_NAMED_SECTION,               \
 231                         TARGET_ASM_EXCEPTION_SECTION,           \
 232                         TARGET_ASM_EH_FRAME_SECTION,            \
 233                         TARGET_ASM_SELECT_SECTION,              \
 234                         TARGET_ASM_SELECT_RTX_SECTION,          \
 235                         TARGET_ASM_UNIQUE_SECTION,              \
 236                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
 237                         TARGET_ASM_CONSTRUCTOR,                 \
 238                         TARGET_ASM_DESTRUCTOR,                  \
 239                         TARGET_ASM_OUTPUT_MI_THUNK,             \
 240                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
 241                         TARGET_ASM_FILE_START,                  \
 242                         TARGET_ASM_FILE_END,                    \
 243                         TARGET_ASM_EXTERNAL_LIBCALL,            \
 244                         TARGET_ASM_MARK_DECL_PRESERVED,         \
 245                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
 246
 247 /* Scheduler hooks.  All of these default to null pointers, which
 248    haifa-sched.c looks for and handles.  */
 249 #define TARGET_SCHED_ADJUST_COST 0
 250 #define TARGET_SCHED_ADJUST_PRIORITY 0
 251 #define TARGET_SCHED_ISSUE_RATE 0
 252 #define TARGET_SCHED_VARIABLE_ISSUE 0
 253 #define TARGET_SCHED_INIT 0
 254 #define TARGET_SCHED_FINISH 0
 255 #define TARGET_SCHED_INIT_GLOBAL 0
 256 #define TARGET_SCHED_FINISH_GLOBAL 0
 257 #define TARGET_SCHED_REORDER 0
 258 #define TARGET_SCHED_REORDER2 0
 259 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
 260 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
 261 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
 262 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
 263 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
 264 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
 265 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
 266 #define TARGET_SCHED_DFA_NEW_CYCLE 0
 267 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
 268
 269 #define TARGET_SCHED                                            \
 270   {TARGET_SCHED_ADJUST_COST,                                    \
 271    TARGET_SCHED_ADJUST_PRIORITY,                                \
 272    TARGET_SCHED_ISSUE_RATE,                                     \
 273    TARGET_SCHED_VARIABLE_ISSUE,                                 \
 274    TARGET_SCHED_INIT,                                           \
 275    TARGET_SCHED_FINISH,                                         \
 276    TARGET_SCHED_INIT_GLOBAL,                                    \
 277    TARGET_SCHED_FINISH_GLOBAL,                                  \
 278    TARGET_SCHED_REORDER,                                        \
 279    TARGET_SCHED_REORDER2,                                       \
 280    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
 281    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
 282    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
 283    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
 284    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
 285    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
 286    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
 287    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
 288    TARGET_SCHED_IS_COSTLY_DEPENDENCE}
 289
 290 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
 291
 292 #define TARGET_VECTORIZE                                                \
 293   {TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD}
 294
 295 #define TARGET_DEFAULT_TARGET_FLAGS 0
 296
 297 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
 298
 299 /* In except.c */
 300 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
 301
 302 /* In tree.c.  */
 303 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 304 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
 305 #define TARGET_ATTRIBUTE_TABLE NULL
 306
 307 /* In cse.c.  */
 308 #define TARGET_ADDRESS_COST default_address_cost
 309
 310 /* In builtins.c.  */
 311 #define TARGET_INIT_BUILTINS hook_void_void
 312 #define TARGET_EXPAND_BUILTIN default_expand_builtin
 313 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
 314 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
 315
 316 /* In varasm.c.  */
 317 #ifndef TARGET_SECTION_TYPE_FLAGS
 318 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 319 #endif
 320
 321 #ifndef TARGET_STRIP_NAME_ENCODING
 322 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
 323 #endif
 324
 325 #ifndef TARGET_BINDS_LOCAL_P
 326 #define TARGET_BINDS_LOCAL_P default_binds_local_p
 327 #endif
 328
 329 #ifndef TARGET_SHIFT_TRUNCATION_MASK
 330 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
 331 #endif
 332
 333 #ifndef TARGET_VALID_POINTER_MODE
 334 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
 335 #endif
 336
 337 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
 338 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
 339 #endif
 340
 341 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
 342 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
 343 #endif
 344
 345 #ifndef TARGET_VECTOR_OPAQUE_P
 346 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
 347 #endif
 348
 349 /* In hooks.c.  */
 350 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
 351 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
 352 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
 353 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
 354 #define TARGET_CANNOT_COPY_INSN_P NULL
 355 #define TARGET_COMMUTATIVE_P hook_bool_rtx_commutative_p
 356 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
 357 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
 358 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
 359 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
 360 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
 361 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
 362 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
 363 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
 364 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
 365 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
 366 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
 367
 368 #ifndef TARGET_INIT_LIBFUNCS
 369 #define TARGET_INIT_LIBFUNCS hook_void_void
 370 #endif
 371
 372 #ifndef TARGET_IN_SMALL_DATA_P
 373 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
 374 #endif
 375
 376 #ifndef TARGET_ENCODE_SECTION_INFO
 377 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
 378 #endif
 379
 380 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
 381 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
 382 #endif
 383
 384 #define TARGET_INVALID_CONVERSION hook_constcharptr_tree_tree_null
 385 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_tree_null
 386 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_tree_tree_null
 387
 388 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
 389
 390 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
 391
 392 #define TARGET_MACHINE_DEPENDENT_REORG 0
 393
 394 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
 395
 396 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
 397 #define TARGET_PCH_VALID_P default_pch_valid_p
 398 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
 399
 400 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
 401
 402 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
 403
 404 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
 405
 406 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
 407
 408 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
 409
 410 #define TARGET_STDARG_OPTIMIZE_HOOK 0
 411
 412 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
 413 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
 414
 415 #define TARGET_ARM_EABI_UNWINDER false
 416
 417 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
 418 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
 419 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 420
 421 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 422 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 423 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
 424
 425 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
 426 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
 427 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
 428 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
 429   default_pretend_outgoing_varargs_named
 430 #define TARGET_SPLIT_COMPLEX_ARG NULL
 431
 432 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
 433 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 434
 435 #define TARGET_RELAXED_ORDERING false
 436
 437 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
 438 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 439 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
 440
 441 #define TARGET_FUNCTION_VALUE default_function_value
 442
 443 #define TARGET_CALLS {                                          \
 444    TARGET_PROMOTE_FUNCTION_ARGS,                                \
 445    TARGET_PROMOTE_FUNCTION_RETURN,                              \
 446    TARGET_PROMOTE_PROTOTYPES,                                   \
 447    TARGET_STRUCT_VALUE_RTX,                                     \
 448    TARGET_RETURN_IN_MEMORY,                                     \
 449    TARGET_RETURN_IN_MSB,                                        \
 450    TARGET_PASS_BY_REFERENCE,                                    \
 451    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
 452    TARGET_SETUP_INCOMING_VARARGS,                               \
 453    TARGET_STRICT_ARGUMENT_NAMING,                               \
 454    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
 455    TARGET_SPLIT_COMPLEX_ARG,                                    \
 456    TARGET_MUST_PASS_IN_STACK,                                   \
 457    TARGET_CALLEE_COPIES,                                        \
 458    TARGET_ARG_PARTIAL_BYTES,                                    \
 459    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
 460    TARGET_FUNCTION_VALUE                                        \
 461    }
 462
 463 #ifndef TARGET_UNWIND_TABLES_DEFAULT
 464 #define TARGET_UNWIND_TABLES_DEFAULT false
 465 #endif
 466
 467 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
 468 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
 469 #endif
 470
 471 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
 472 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
 473 #endif
 474
 475
 476 /* C++ specific.  */
 477 #ifndef TARGET_CXX_GUARD_TYPE
 478 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
 479 #endif
 480
 481 #ifndef TARGET_CXX_GUARD_MASK_BIT
 482 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
 483 #endif
 484
 485 #ifndef TARGET_CXX_GET_COOKIE_SIZE
 486 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
 487 #endif
 488
 489 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
 490 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
 491 #endif
 492
 493 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
 494 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
 495 #endif
 496
 497 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
 498 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
 499 #endif
 500
 501 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
 502 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
 503 #endif
 504
 505 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
 506 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
 507 #endif
 508
 509 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
 510 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
 511 #endif
 512
 513 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
 514 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
 515 #endif
 516
 517 #define TARGET_CXX                              \
 518   {                                             \
 519     TARGET_CXX_GUARD_TYPE,                      \
 520     TARGET_CXX_GUARD_MASK_BIT,                  \
 521     TARGET_CXX_GET_COOKIE_SIZE,                 \
 522     TARGET_CXX_COOKIE_HAS_SIZE,                 \
 523     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
 524     TARGET_CXX_CDTOR_RETURNS_THIS,              \
 525     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
 526     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
 527     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
 528     TARGET_CXX_USE_AEABI_ATEXIT,                \
 529   }
 530
 531 /* The whole shebang.  */
 532 #define TARGET_INITIALIZER                      \
 533 {                                               \
 534   TARGET_ASM_OUT,                               \
 535   TARGET_SCHED,                                 \
 536   TARGET_VECTORIZE,                             \
 537   TARGET_DEFAULT_TARGET_FLAGS,                  \
 538   TARGET_HANDLE_OPTION,                         \
 539   TARGET_EH_RETURN_FILTER_MODE,                 \
 540   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 541   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 542   TARGET_ATTRIBUTE_TABLE,                       \
 543   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 544   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 545   TARGET_INSERT_ATTRIBUTES,                     \
 546   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
 547   TARGET_MS_BITFIELD_LAYOUT_P,                  \
 548   TARGET_ALIGN_ANON_BITFIELD,                   \
 549   TARGET_INIT_BUILTINS,                         \
 550   TARGET_EXPAND_BUILTIN,                        \
 551   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
 552   TARGET_FOLD_BUILTIN,                          \
 553   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
 554   TARGET_INIT_LIBFUNCS,                         \
 555   TARGET_SECTION_TYPE_FLAGS,                    \
 556   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
 557   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
 558   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
 559   TARGET_CANNOT_FORCE_CONST_MEM,                \
 560   TARGET_CANNOT_COPY_INSN_P,                    \
 561   TARGET_COMMUTATIVE_P,                         \
 562   TARGET_DELEGITIMIZE_ADDRESS,                  \
 563   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
 564   TARGET_IN_SMALL_DATA_P,                       \
 565   TARGET_BINDS_LOCAL_P,                         \
 566   TARGET_ENCODE_SECTION_INFO,                   \
 567   TARGET_STRIP_NAME_ENCODING,                   \
 568   TARGET_SHIFT_TRUNCATION_MASK,                 \
 569   TARGET_VALID_POINTER_MODE,                    \
 570   TARGET_SCALAR_MODE_SUPPORTED_P,               \
 571   TARGET_VECTOR_MODE_SUPPORTED_P,               \
 572   TARGET_VECTOR_OPAQUE_P,                       \
 573   TARGET_RTX_COSTS,                             \
 574   TARGET_ADDRESS_COST,                          \
 575   TARGET_ALLOCATE_INITIAL_VALUE,                \
 576   TARGET_DWARF_REGISTER_SPAN,                   \
 577   TARGET_FIXED_CONDITION_CODE_REGS,             \
 578   TARGET_CC_MODES_COMPATIBLE,                   \
 579   TARGET_MACHINE_DEPENDENT_REORG,               \
 580   TARGET_BUILD_BUILTIN_VA_LIST,                 \
 581   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
 582   TARGET_GET_PCH_VALIDITY,                      \
 583   TARGET_PCH_VALID_P,                           \
 584   TARGET_CHECK_PCH_TARGET_FLAGS,                \
 585   TARGET_DEFAULT_SHORT_ENUMS,                   \
 586   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
 587   TARGET_MD_ASM_CLOBBERS,                       \
 588   TARGET_DWARF_CALLING_CONVENTION,              \
 589   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
 590   TARGET_STDARG_OPTIMIZE_HOOK,                  \
 591   TARGET_STACK_PROTECT_GUARD,                   \
 592   TARGET_STACK_PROTECT_FAIL,                    \
 593   TARGET_INVALID_WITHIN_DOLOOP,                 \
 594   TARGET_CALLS,                                 \
 595   TARGET_INVALID_CONVERSION,                    \
 596   TARGET_INVALID_UNARY_OP,                      \
 597   TARGET_INVALID_BINARY_OP,                     \
 598   TARGET_CXX,                                   \
 599   TARGET_UNWIND_TABLES_DEFAULT,                 \
 600   TARGET_HAVE_NAMED_SECTIONS,                   \
 601   TARGET_HAVE_CTORS_DTORS,                      \
 602   TARGET_HAVE_TLS,                              \
 603   TARGET_HAVE_SRODATA_SECTION,                  \
 604   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
 605   TARGET_ASM_FILE_START_APP_OFF,                \
 606   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
 607   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
 608   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
 609   TARGET_RELAXED_ORDERING,                      \
 610   TARGET_ARM_EABI_UNWINDER                      \
 611 }
 612
 613 #include "hooks.h"
 614 #include "targhooks.h"