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_HAVE_CTORS_DTORS)
 130 # if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
 131 # define TARGET_HAVE_CTORS_DTORS true
 132 # else
 133 # define TARGET_HAVE_CTORS_DTORS false
 134 # define TARGET_ASM_CONSTRUCTOR NULL
 135 # define TARGET_ASM_DESTRUCTOR NULL
 136 # endif
 137 #endif
 138
 139 #ifdef TARGET_ASM_NAMED_SECTION
 140 #define TARGET_HAVE_NAMED_SECTIONS true
 141 #else
 142 #define TARGET_ASM_NAMED_SECTION default_no_named_section
 143 #define TARGET_HAVE_NAMED_SECTIONS false
 144 #endif
 145
 146 #ifndef TARGET_INVALID_WITHIN_DOLOOP
 147 #define TARGET_INVALID_WITHIN_DOLOOP default_invalid_within_doloop
 148 #endif
 149
 150 #ifndef TARGET_VALID_DLLIMPORT_ATTRIBUTE_P
 151 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P hook_bool_tree_true
 152 #endif
 153
 154 #ifndef TARGET_HAVE_TLS
 155 #define TARGET_HAVE_TLS false
 156 #endif
 157
 158 #ifndef TARGET_HAVE_SRODATA_SECTION
 159 #define TARGET_HAVE_SRODATA_SECTION false
 160 #endif
 161
 162 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
 163 #ifdef EH_FRAME_SECTION_NAME
 164 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
 165 #else
 166 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
 167 #endif
 168 #endif
 169
 170 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
 171
 172 #ifndef TARGET_ASM_EXCEPTION_SECTION
 173 #define TARGET_ASM_EXCEPTION_SECTION default_exception_section
 174 #endif
 175
 176 #ifndef TARGET_ASM_EH_FRAME_SECTION
 177 #define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section
 178 #endif
 179
 180 #ifndef TARGET_ASM_FILE_START
 181 #define TARGET_ASM_FILE_START default_file_start
 182 #endif
 183
 184 #ifndef TARGET_ASM_FILE_END
 185 #define TARGET_ASM_FILE_END hook_void_void
 186 #endif
 187
 188 #ifndef TARGET_ASM_FILE_START_APP_OFF
 189 #define TARGET_ASM_FILE_START_APP_OFF false
 190 #endif
 191
 192 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
 193 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
 194 #endif
 195
 196 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
 197 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
 198 #endif
 199
 200 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
 201 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
 202 #endif
 203
 204 #ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
 205 #define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
 206 #endif
 207
 208 #define TARGET_ASM_ALIGNED_INT_OP                               \
 209                        {TARGET_ASM_ALIGNED_HI_OP,               \
 210                         TARGET_ASM_ALIGNED_SI_OP,               \
 211                         TARGET_ASM_ALIGNED_DI_OP,               \
 212                         TARGET_ASM_ALIGNED_TI_OP}
 213
 214 #define TARGET_ASM_UNALIGNED_INT_OP                             \
 215                        {TARGET_ASM_UNALIGNED_HI_OP,             \
 216                         TARGET_ASM_UNALIGNED_SI_OP,             \
 217                         TARGET_ASM_UNALIGNED_DI_OP,             \
 218                         TARGET_ASM_UNALIGNED_TI_OP}
 219
 220 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
 221                         TARGET_ASM_CLOSE_PAREN,                 \
 222                         TARGET_ASM_BYTE_OP,                     \
 223                         TARGET_ASM_ALIGNED_INT_OP,              \
 224                         TARGET_ASM_UNALIGNED_INT_OP,            \
 225                         TARGET_ASM_INTEGER,                     \
 226                         TARGET_ASM_GLOBALIZE_LABEL,             \
 227                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
 228                         TARGET_UNWIND_EMIT,                     \
 229                         TARGET_ASM_INTERNAL_LABEL,              \
 230                         TARGET_ASM_TTYPE,                       \
 231                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
 232                         TARGET_ASM_FUNCTION_PROLOGUE,           \
 233                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
 234                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
 235                         TARGET_ASM_FUNCTION_EPILOGUE,           \
 236                         TARGET_ASM_NAMED_SECTION,               \
 237                         TARGET_ASM_EXCEPTION_SECTION,           \
 238                         TARGET_ASM_EH_FRAME_SECTION,            \
 239                         TARGET_ASM_SELECT_SECTION,              \
 240                         TARGET_ASM_SELECT_RTX_SECTION,          \
 241                         TARGET_ASM_UNIQUE_SECTION,              \
 242                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
 243                         TARGET_ASM_CONSTRUCTOR,                 \
 244                         TARGET_ASM_DESTRUCTOR,                  \
 245                         TARGET_ASM_OUTPUT_MI_THUNK,             \
 246                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
 247                         TARGET_ASM_FILE_START,                  \
 248                         TARGET_ASM_FILE_END,                    \
 249                         TARGET_ASM_EXTERNAL_LIBCALL,            \
 250                         TARGET_ASM_MARK_DECL_PRESERVED,         \
 251                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
 252
 253 /* Scheduler hooks.  All of these default to null pointers, which
 254    haifa-sched.c looks for and handles.  */
 255 #define TARGET_SCHED_ADJUST_COST 0
 256 #define TARGET_SCHED_ADJUST_PRIORITY 0
 257 #define TARGET_SCHED_ISSUE_RATE 0
 258 #define TARGET_SCHED_VARIABLE_ISSUE 0
 259 #define TARGET_SCHED_INIT 0
 260 #define TARGET_SCHED_FINISH 0
 261 #define TARGET_SCHED_INIT_GLOBAL 0
 262 #define TARGET_SCHED_FINISH_GLOBAL 0
 263 #define TARGET_SCHED_REORDER 0
 264 #define TARGET_SCHED_REORDER2 0
 265 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
 266 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
 267 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
 268 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
 269 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
 270 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
 271 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
 272 #define TARGET_SCHED_DFA_NEW_CYCLE 0
 273 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
 274
 275 #define TARGET_SCHED                                            \
 276   {TARGET_SCHED_ADJUST_COST,                                    \
 277    TARGET_SCHED_ADJUST_PRIORITY,                                \
 278    TARGET_SCHED_ISSUE_RATE,                                     \
 279    TARGET_SCHED_VARIABLE_ISSUE,                                 \
 280    TARGET_SCHED_INIT,                                           \
 281    TARGET_SCHED_FINISH,                                         \
 282    TARGET_SCHED_INIT_GLOBAL,                                    \
 283    TARGET_SCHED_FINISH_GLOBAL,                                  \
 284    TARGET_SCHED_REORDER,                                        \
 285    TARGET_SCHED_REORDER2,                                       \
 286    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
 287    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
 288    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
 289    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
 290    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
 291    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
 292    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
 293    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
 294    TARGET_SCHED_IS_COSTLY_DEPENDENCE}
 295
 296 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
 297
 298 #define TARGET_VECTORIZE                                                \
 299   {TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD}
 300
 301 #define TARGET_DEFAULT_TARGET_FLAGS 0
 302
 303 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
 304
 305 /* In except.c */
 306 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
 307
 308 /* In tree.c.  */
 309 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 310 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
 311 #define TARGET_ATTRIBUTE_TABLE NULL
 312
 313 /* In cse.c.  */
 314 #define TARGET_ADDRESS_COST default_address_cost
 315
 316 /* In builtins.c.  */
 317 #define TARGET_INIT_BUILTINS hook_void_void
 318 #define TARGET_EXPAND_BUILTIN default_expand_builtin
 319 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
 320 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
 321
 322 /* In varasm.c.  */
 323 #ifndef TARGET_SECTION_TYPE_FLAGS
 324 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 325 #endif
 326
 327 #ifndef TARGET_STRIP_NAME_ENCODING
 328 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
 329 #endif
 330
 331 #ifndef TARGET_BINDS_LOCAL_P
 332 #define TARGET_BINDS_LOCAL_P default_binds_local_p
 333 #endif
 334
 335 #ifndef TARGET_SHIFT_TRUNCATION_MASK
 336 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
 337 #endif
 338
 339 #ifndef TARGET_VALID_POINTER_MODE
 340 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
 341 #endif
 342
 343 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
 344 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
 345 #endif
 346
 347 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
 348 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
 349 #endif
 350
 351 #ifndef TARGET_VECTOR_OPAQUE_P
 352 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
 353 #endif
 354
 355 /* In hooks.c.  */
 356 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
 357 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
 358 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
 359 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
 360 #define TARGET_CANNOT_COPY_INSN_P NULL
 361 #define TARGET_COMMUTATIVE_P hook_bool_rtx_commutative_p
 362 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
 363 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
 364 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
 365 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
 366 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
 367 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
 368 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
 369 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
 370 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
 371 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
 372 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
 373
 374 #ifndef TARGET_INIT_LIBFUNCS
 375 #define TARGET_INIT_LIBFUNCS hook_void_void
 376 #endif
 377
 378 #ifndef TARGET_IN_SMALL_DATA_P
 379 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
 380 #endif
 381
 382 #ifndef TARGET_ENCODE_SECTION_INFO
 383 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
 384 #endif
 385
 386 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
 387 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
 388 #endif
 389
 390 #define TARGET_INVALID_CONVERSION hook_constcharptr_tree_tree_null
 391 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_tree_null
 392 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_tree_tree_null
 393
 394 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
 395
 396 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
 397
 398 #define TARGET_MACHINE_DEPENDENT_REORG 0
 399
 400 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
 401
 402 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
 403 #define TARGET_PCH_VALID_P default_pch_valid_p
 404 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
 405
 406 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
 407
 408 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
 409
 410 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
 411
 412 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
 413
 414 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
 415
 416 #define TARGET_STDARG_OPTIMIZE_HOOK 0
 417
 418 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
 419 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
 420
 421 #define TARGET_ARM_EABI_UNWINDER false
 422
 423 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
 424 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
 425 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 426
 427 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 428 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 429 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
 430
 431 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
 432 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
 433 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
 434 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
 435   default_pretend_outgoing_varargs_named
 436 #define TARGET_SPLIT_COMPLEX_ARG NULL
 437
 438 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
 439 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 440
 441 #define TARGET_RELAXED_ORDERING false
 442
 443 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
 444 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 445 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
 446
 447 #define TARGET_FUNCTION_VALUE default_function_value
 448
 449 #define TARGET_CALLS {                                          \
 450    TARGET_PROMOTE_FUNCTION_ARGS,                                \
 451    TARGET_PROMOTE_FUNCTION_RETURN,                              \
 452    TARGET_PROMOTE_PROTOTYPES,                                   \
 453    TARGET_STRUCT_VALUE_RTX,                                     \
 454    TARGET_RETURN_IN_MEMORY,                                     \
 455    TARGET_RETURN_IN_MSB,                                        \
 456    TARGET_PASS_BY_REFERENCE,                                    \
 457    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
 458    TARGET_SETUP_INCOMING_VARARGS,                               \
 459    TARGET_STRICT_ARGUMENT_NAMING,                               \
 460    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
 461    TARGET_SPLIT_COMPLEX_ARG,                                    \
 462    TARGET_MUST_PASS_IN_STACK,                                   \
 463    TARGET_CALLEE_COPIES,                                        \
 464    TARGET_ARG_PARTIAL_BYTES,                                    \
 465    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
 466    TARGET_FUNCTION_VALUE                                        \
 467    }
 468
 469 #ifndef TARGET_UNWIND_TABLES_DEFAULT
 470 #define TARGET_UNWIND_TABLES_DEFAULT false
 471 #endif
 472
 473 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
 474 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
 475 #endif
 476
 477 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
 478 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
 479 #endif
 480
 481
 482 /* C++ specific.  */
 483 #ifndef TARGET_CXX_GUARD_TYPE
 484 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
 485 #endif
 486
 487 #ifndef TARGET_CXX_GUARD_MASK_BIT
 488 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
 489 #endif
 490
 491 #ifndef TARGET_CXX_GET_COOKIE_SIZE
 492 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
 493 #endif
 494
 495 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
 496 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
 497 #endif
 498
 499 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
 500 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
 501 #endif
 502
 503 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
 504 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
 505 #endif
 506
 507 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
 508 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
 509 #endif
 510
 511 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
 512 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
 513 #endif
 514
 515 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
 516 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
 517 #endif
 518
 519 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
 520 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
 521 #endif
 522
 523 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
 524 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
 525 #endif
 526
 527 #define TARGET_CXX                              \
 528   {                                             \
 529     TARGET_CXX_GUARD_TYPE,                      \
 530     TARGET_CXX_GUARD_MASK_BIT,                  \
 531     TARGET_CXX_GET_COOKIE_SIZE,                 \
 532     TARGET_CXX_COOKIE_HAS_SIZE,                 \
 533     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
 534     TARGET_CXX_CDTOR_RETURNS_THIS,              \
 535     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
 536     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
 537     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
 538     TARGET_CXX_USE_AEABI_ATEXIT,                \
 539     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
 540   }
 541
 542 /* The whole shebang.  */
 543 #define TARGET_INITIALIZER                      \
 544 {                                               \
 545   TARGET_ASM_OUT,                               \
 546   TARGET_SCHED,                                 \
 547   TARGET_VECTORIZE,                             \
 548   TARGET_DEFAULT_TARGET_FLAGS,                  \
 549   TARGET_HANDLE_OPTION,                         \
 550   TARGET_EH_RETURN_FILTER_MODE,                 \
 551   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 552   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 553   TARGET_ATTRIBUTE_TABLE,                       \
 554   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 555   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 556   TARGET_INSERT_ATTRIBUTES,                     \
 557   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
 558   TARGET_MS_BITFIELD_LAYOUT_P,                  \
 559   TARGET_ALIGN_ANON_BITFIELD,                   \
 560   TARGET_INIT_BUILTINS,                         \
 561   TARGET_EXPAND_BUILTIN,                        \
 562   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
 563   TARGET_FOLD_BUILTIN,                          \
 564   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
 565   TARGET_INIT_LIBFUNCS,                         \
 566   TARGET_SECTION_TYPE_FLAGS,                    \
 567   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
 568   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
 569   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
 570   TARGET_CANNOT_FORCE_CONST_MEM,                \
 571   TARGET_CANNOT_COPY_INSN_P,                    \
 572   TARGET_COMMUTATIVE_P,                         \
 573   TARGET_DELEGITIMIZE_ADDRESS,                  \
 574   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
 575   TARGET_IN_SMALL_DATA_P,                       \
 576   TARGET_BINDS_LOCAL_P,                         \
 577   TARGET_ENCODE_SECTION_INFO,                   \
 578   TARGET_STRIP_NAME_ENCODING,                   \
 579   TARGET_SHIFT_TRUNCATION_MASK,                 \
 580   TARGET_VALID_POINTER_MODE,                    \
 581   TARGET_SCALAR_MODE_SUPPORTED_P,               \
 582   TARGET_VECTOR_MODE_SUPPORTED_P,               \
 583   TARGET_VECTOR_OPAQUE_P,                       \
 584   TARGET_RTX_COSTS,                             \
 585   TARGET_ADDRESS_COST,                          \
 586   TARGET_ALLOCATE_INITIAL_VALUE,                \
 587   TARGET_DWARF_REGISTER_SPAN,                   \
 588   TARGET_FIXED_CONDITION_CODE_REGS,             \
 589   TARGET_CC_MODES_COMPATIBLE,                   \
 590   TARGET_MACHINE_DEPENDENT_REORG,               \
 591   TARGET_BUILD_BUILTIN_VA_LIST,                 \
 592   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
 593   TARGET_GET_PCH_VALIDITY,                      \
 594   TARGET_PCH_VALID_P,                           \
 595   TARGET_CHECK_PCH_TARGET_FLAGS,                \
 596   TARGET_DEFAULT_SHORT_ENUMS,                   \
 597   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
 598   TARGET_MD_ASM_CLOBBERS,                       \
 599   TARGET_DWARF_CALLING_CONVENTION,              \
 600   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
 601   TARGET_STDARG_OPTIMIZE_HOOK,                  \
 602   TARGET_STACK_PROTECT_GUARD,                   \
 603   TARGET_STACK_PROTECT_FAIL,                    \
 604   TARGET_INVALID_WITHIN_DOLOOP,                 \
 605   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
 606   TARGET_CALLS,                                 \
 607   TARGET_INVALID_CONVERSION,                    \
 608   TARGET_INVALID_UNARY_OP,                      \
 609   TARGET_INVALID_BINARY_OP,                     \
 610   TARGET_CXX,                                   \
 611   TARGET_UNWIND_TABLES_DEFAULT,                 \
 612   TARGET_HAVE_NAMED_SECTIONS,                   \
 613   TARGET_HAVE_CTORS_DTORS,                      \
 614   TARGET_HAVE_TLS,                              \
 615   TARGET_HAVE_SRODATA_SECTION,                  \
 616   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
 617   TARGET_ASM_FILE_START_APP_OFF,                \
 618   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
 619   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
 620   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
 621   TARGET_RELAXED_ORDERING,                      \
 622   TARGET_ARM_EABI_UNWINDER                      \
 623 }
 624
 625 #include "hooks.h"
 626 #include "targhooks.h"