OSDN Git Service

2006-01-06 Eric Christopher <echristo@apple.com>
[pf3gnuchains/gcc-fork.git] / 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_ASM_EMIT_EXCEPT_TABLE_LABEL
66 #define TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL default_emit_except_table_label
67 #endif
68
69 #ifndef TARGET_UNWIND_EMIT
70 #define TARGET_UNWIND_EMIT default_unwind_emit
71 #endif
72
73 #ifndef TARGET_ASM_INTERNAL_LABEL
74 #define TARGET_ASM_INTERNAL_LABEL default_internal_label
75 #endif
76
77 #ifndef TARGET_ARM_TTYPE
78 #define TARGET_ASM_TTYPE hook_bool_rtx_false
79 #endif
80
81 #ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
82 #define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility
83 #endif
84
85 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
86 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
87 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
88 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
89
90 #ifndef TARGET_ASM_SELECT_SECTION
91 #define TARGET_ASM_SELECT_SECTION default_select_section
92 #endif
93
94 #ifndef TARGET_ASM_UNIQUE_SECTION
95 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
96 #endif
97
98 #ifndef TARGET_ASM_FUNCTION_RODATA_SECTION
99 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_function_rodata_section
100 #endif
101
102 #ifndef TARGET_ASM_SELECT_RTX_SECTION
103 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
104 #endif
105
106 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
107 # ifdef CTORS_SECTION_ASM_OP
108 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
109 # else
110 #  ifdef TARGET_ASM_NAMED_SECTION
111 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
112 #  else
113 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
114 #  endif
115 # endif
116 #endif
117
118 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
119 # ifdef DTORS_SECTION_ASM_OP
120 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
121 # else
122 #  ifdef TARGET_ASM_NAMED_SECTION
123 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
124 #  else
125 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
126 #  endif
127 # endif
128 #endif
129
130 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
131 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false
132
133 #if !defined(TARGET_HAVE_CTORS_DTORS)
134 # if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
135 # define TARGET_HAVE_CTORS_DTORS true
136 # else
137 # define TARGET_HAVE_CTORS_DTORS false
138 # define TARGET_ASM_CONSTRUCTOR NULL
139 # define TARGET_ASM_DESTRUCTOR NULL
140 # endif
141 #endif
142
143 #ifndef TARGET_ASM_INIT_SECTIONS
144 #define TARGET_ASM_INIT_SECTIONS hook_void_void
145 #endif
146
147 #ifdef TARGET_ASM_NAMED_SECTION
148 #define TARGET_HAVE_NAMED_SECTIONS true
149 #else
150 #define TARGET_ASM_NAMED_SECTION default_no_named_section
151 #define TARGET_HAVE_NAMED_SECTIONS false
152 #endif
153
154 #ifndef TARGET_INVALID_WITHIN_DOLOOP
155 #define TARGET_INVALID_WITHIN_DOLOOP default_invalid_within_doloop
156 #endif
157
158 #ifndef TARGET_VALID_DLLIMPORT_ATTRIBUTE_P
159 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P hook_bool_tree_true
160 #endif
161
162 #ifndef TARGET_HAVE_TLS
163 #define TARGET_HAVE_TLS false
164 #endif
165
166 #ifndef TARGET_HAVE_SRODATA_SECTION
167 #define TARGET_HAVE_SRODATA_SECTION false
168 #endif
169
170 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
171 #ifdef EH_FRAME_SECTION_NAME
172 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
173 #else
174 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
175 #endif
176 #endif
177
178 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
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_ASM_EMIT_EXCEPT_TABLE_LABEL,     \
229                         TARGET_UNWIND_EMIT,                     \
230                         TARGET_ASM_INTERNAL_LABEL,              \
231                         TARGET_ASM_TTYPE,                       \
232                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
233                         TARGET_ASM_FUNCTION_PROLOGUE,           \
234                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
235                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
236                         TARGET_ASM_FUNCTION_EPILOGUE,           \
237                         TARGET_ASM_INIT_SECTIONS,               \
238                         TARGET_ASM_NAMED_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_DECIMAL_FLOAT_SUPPORTED_P
348 #define TARGET_DECIMAL_FLOAT_SUPPORTED_P default_decimal_float_supported_p
349 #endif
350
351 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
352 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
353 #endif
354
355 #ifndef TARGET_VECTOR_OPAQUE_P
356 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
357 #endif
358
359 /* In hooks.c.  */
360 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
361 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
362 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
363 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
364 #define TARGET_CANNOT_COPY_INSN_P NULL
365 #define TARGET_COMMUTATIVE_P hook_bool_rtx_commutative_p
366 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
367 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
368 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
369 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
370 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
371 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
372 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
373 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
374 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
375 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
376 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
377
378 #ifndef TARGET_INIT_LIBFUNCS
379 #define TARGET_INIT_LIBFUNCS hook_void_void
380 #endif
381
382 #ifndef TARGET_IN_SMALL_DATA_P
383 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
384 #endif
385
386 #ifndef TARGET_ENCODE_SECTION_INFO
387 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
388 #endif
389
390 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
391 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
392 #endif
393
394 #define TARGET_INVALID_CONVERSION hook_constcharptr_tree_tree_null
395 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_tree_null
396 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_tree_tree_null
397
398 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
399
400 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
401
402 #define TARGET_MACHINE_DEPENDENT_REORG 0
403
404 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
405
406 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
407 #define TARGET_PCH_VALID_P default_pch_valid_p
408 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
409
410 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
411
412 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
413
414 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
415
416 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
417
418 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
419
420 #define TARGET_STDARG_OPTIMIZE_HOOK 0
421
422 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
423 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
424
425 #define TARGET_ARM_EABI_UNWINDER false
426
427 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
428 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
429 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
430
431 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
432 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
433 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
434
435 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
436 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
437 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
438 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
439   default_pretend_outgoing_varargs_named
440 #define TARGET_SPLIT_COMPLEX_ARG NULL
441
442 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
443 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
444
445 #define TARGET_RELAXED_ORDERING false
446
447 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
448 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
449 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
450
451 #define TARGET_FUNCTION_VALUE default_function_value
452 #define TARGET_INTERNAL_ARG_POINTER default_internal_arg_pointer
453
454 #define TARGET_CALLS {                                          \
455    TARGET_PROMOTE_FUNCTION_ARGS,                                \
456    TARGET_PROMOTE_FUNCTION_RETURN,                              \
457    TARGET_PROMOTE_PROTOTYPES,                                   \
458    TARGET_STRUCT_VALUE_RTX,                                     \
459    TARGET_RETURN_IN_MEMORY,                                     \
460    TARGET_RETURN_IN_MSB,                                        \
461    TARGET_PASS_BY_REFERENCE,                                    \
462    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
463    TARGET_SETUP_INCOMING_VARARGS,                               \
464    TARGET_STRICT_ARGUMENT_NAMING,                               \
465    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
466    TARGET_SPLIT_COMPLEX_ARG,                                    \
467    TARGET_MUST_PASS_IN_STACK,                                   \
468    TARGET_CALLEE_COPIES,                                        \
469    TARGET_ARG_PARTIAL_BYTES,                                    \
470    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
471    TARGET_FUNCTION_VALUE,                                       \
472    TARGET_INTERNAL_ARG_POINTER                                  \
473    }
474
475 #ifndef TARGET_UNWIND_TABLES_DEFAULT
476 #define TARGET_UNWIND_TABLES_DEFAULT false
477 #endif
478
479 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
480 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
481 #endif
482
483 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
484 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
485 #endif
486
487 #ifndef TARGET_SECONDARY_RELOAD
488 #define TARGET_SECONDARY_RELOAD default_secondary_reload
489 #endif
490
491
492 /* C++ specific.  */
493 #ifndef TARGET_CXX_GUARD_TYPE
494 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
495 #endif
496
497 #ifndef TARGET_CXX_GUARD_MASK_BIT
498 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
499 #endif
500
501 #ifndef TARGET_CXX_GET_COOKIE_SIZE
502 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
503 #endif
504
505 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
506 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
507 #endif
508
509 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
510 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
511 #endif
512
513 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
514 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
515 #endif
516
517 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
518 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
519 #endif
520
521 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
522 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
523 #endif
524
525 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
526 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
527 #endif
528
529 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
530 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
531 #endif
532
533 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
534 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
535 #endif
536
537 #define TARGET_CXX                              \
538   {                                             \
539     TARGET_CXX_GUARD_TYPE,                      \
540     TARGET_CXX_GUARD_MASK_BIT,                  \
541     TARGET_CXX_GET_COOKIE_SIZE,                 \
542     TARGET_CXX_COOKIE_HAS_SIZE,                 \
543     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
544     TARGET_CXX_CDTOR_RETURNS_THIS,              \
545     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
546     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
547     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
548     TARGET_CXX_USE_AEABI_ATEXIT,                \
549     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
550   }
551
552 /* The whole shebang.  */
553 #define TARGET_INITIALIZER                      \
554 {                                               \
555   TARGET_ASM_OUT,                               \
556   TARGET_SCHED,                                 \
557   TARGET_VECTORIZE,                             \
558   TARGET_DEFAULT_TARGET_FLAGS,                  \
559   TARGET_HANDLE_OPTION,                         \
560   TARGET_EH_RETURN_FILTER_MODE,                 \
561   TARGET_MERGE_DECL_ATTRIBUTES,                 \
562   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
563   TARGET_ATTRIBUTE_TABLE,                       \
564   TARGET_COMP_TYPE_ATTRIBUTES,                  \
565   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
566   TARGET_INSERT_ATTRIBUTES,                     \
567   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
568   TARGET_MS_BITFIELD_LAYOUT_P,                  \
569   TARGET_DECIMAL_FLOAT_SUPPORTED_P,             \
570   TARGET_ALIGN_ANON_BITFIELD,                   \
571   TARGET_INIT_BUILTINS,                         \
572   TARGET_EXPAND_BUILTIN,                        \
573   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
574   TARGET_FOLD_BUILTIN,                          \
575   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
576   TARGET_INIT_LIBFUNCS,                         \
577   TARGET_SECTION_TYPE_FLAGS,                    \
578   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
579   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
580   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
581   TARGET_CANNOT_FORCE_CONST_MEM,                \
582   TARGET_CANNOT_COPY_INSN_P,                    \
583   TARGET_COMMUTATIVE_P,                         \
584   TARGET_DELEGITIMIZE_ADDRESS,                  \
585   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
586   TARGET_IN_SMALL_DATA_P,                       \
587   TARGET_BINDS_LOCAL_P,                         \
588   TARGET_ENCODE_SECTION_INFO,                   \
589   TARGET_STRIP_NAME_ENCODING,                   \
590   TARGET_SHIFT_TRUNCATION_MASK,                 \
591   TARGET_VALID_POINTER_MODE,                    \
592   TARGET_SCALAR_MODE_SUPPORTED_P,               \
593   TARGET_VECTOR_MODE_SUPPORTED_P,               \
594   TARGET_VECTOR_OPAQUE_P,                       \
595   TARGET_RTX_COSTS,                             \
596   TARGET_ADDRESS_COST,                          \
597   TARGET_ALLOCATE_INITIAL_VALUE,                \
598   TARGET_DWARF_REGISTER_SPAN,                   \
599   TARGET_FIXED_CONDITION_CODE_REGS,             \
600   TARGET_CC_MODES_COMPATIBLE,                   \
601   TARGET_MACHINE_DEPENDENT_REORG,               \
602   TARGET_BUILD_BUILTIN_VA_LIST,                 \
603   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
604   TARGET_GET_PCH_VALIDITY,                      \
605   TARGET_PCH_VALID_P,                           \
606   TARGET_CHECK_PCH_TARGET_FLAGS,                \
607   TARGET_DEFAULT_SHORT_ENUMS,                   \
608   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
609   TARGET_MD_ASM_CLOBBERS,                       \
610   TARGET_DWARF_CALLING_CONVENTION,              \
611   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
612   TARGET_STDARG_OPTIMIZE_HOOK,                  \
613   TARGET_STACK_PROTECT_GUARD,                   \
614   TARGET_STACK_PROTECT_FAIL,                    \
615   TARGET_INVALID_WITHIN_DOLOOP,                 \
616   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
617   TARGET_CALLS,                                 \
618   TARGET_INVALID_CONVERSION,                    \
619   TARGET_INVALID_UNARY_OP,                      \
620   TARGET_INVALID_BINARY_OP,                     \
621   TARGET_SECONDARY_RELOAD,                      \
622   TARGET_CXX,                                   \
623   TARGET_UNWIND_TABLES_DEFAULT,                 \
624   TARGET_HAVE_NAMED_SECTIONS,                   \
625   TARGET_HAVE_CTORS_DTORS,                      \
626   TARGET_HAVE_TLS,                              \
627   TARGET_HAVE_SRODATA_SECTION,                  \
628   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
629   TARGET_ASM_FILE_START_APP_OFF,                \
630   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
631   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
632   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
633   TARGET_RELAXED_ORDERING,                      \
634   TARGET_ARM_EABI_UNWINDER                      \
635 }
636
637 #include "hooks.h"
638 #include "targhooks.h"