OSDN Git Service

* config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
[pf3gnuchains/gcc-fork.git] / gcc / target-def.h
1 /* Default initializers for a generic GCC target.
2    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006
3    Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 2, or (at your option) any
8 later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18
19  In other words, you are welcome to use, share and improve this program.
20  You are forbidden to forbid anyone else to use, share and improve
21  what you give them.   Help stamp out software-hoarding!  */
22
23 /* See target.h for a description of what this file contains and how to
24    use it.
25
26    We want to have non-NULL default definitions of all hook functions,
27    even if they do nothing.  */
28
29 /* Note that if one of these macros must be defined in an OS .h file
30    rather than the .c file, then we need to wrap the default
31    definition in a #ifndef, since files include tm.h before this one.  */
32
33 /* Assembler output.  */
34 #ifndef TARGET_ASM_OPEN_PAREN
35 #define TARGET_ASM_OPEN_PAREN "("
36 #endif
37 #ifndef TARGET_ASM_CLOSE_PAREN
38 #define TARGET_ASM_CLOSE_PAREN ")"
39 #endif
40
41 #define TARGET_ASM_BYTE_OP "\t.byte\t"
42
43 #define TARGET_ASM_ALIGNED_HI_OP "\t.short\t"
44 #define TARGET_ASM_ALIGNED_SI_OP "\t.long\t"
45 #define TARGET_ASM_ALIGNED_DI_OP NULL
46 #define TARGET_ASM_ALIGNED_TI_OP NULL
47
48 /* GAS and SYSV4 assemblers accept these.  */
49 #if defined (OBJECT_FORMAT_ELF)
50 #define TARGET_ASM_UNALIGNED_HI_OP "\t.2byte\t"
51 #define TARGET_ASM_UNALIGNED_SI_OP "\t.4byte\t"
52 #define TARGET_ASM_UNALIGNED_DI_OP "\t.8byte\t"
53 #define TARGET_ASM_UNALIGNED_TI_OP NULL
54 #else
55 #define TARGET_ASM_UNALIGNED_HI_OP NULL
56 #define TARGET_ASM_UNALIGNED_SI_OP NULL
57 #define TARGET_ASM_UNALIGNED_DI_OP NULL
58 #define TARGET_ASM_UNALIGNED_TI_OP NULL
59 #endif /* OBJECT_FORMAT_ELF */
60
61 #define TARGET_ASM_INTEGER default_assemble_integer
62
63 #ifndef TARGET_ASM_GLOBALIZE_LABEL
64 #define TARGET_ASM_GLOBALIZE_LABEL default_globalize_label
65 #endif
66
67 #ifndef TARGET_ASM_EMIT_UNWIND_LABEL
68 #define TARGET_ASM_EMIT_UNWIND_LABEL default_emit_unwind_label
69 #endif
70
71 #ifndef TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL
72 #define TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL default_emit_except_table_label
73 #endif
74
75 #ifndef TARGET_UNWIND_EMIT
76 #define TARGET_UNWIND_EMIT default_unwind_emit
77 #endif
78
79 #ifndef TARGET_ASM_INTERNAL_LABEL
80 #define TARGET_ASM_INTERNAL_LABEL default_internal_label
81 #endif
82
83 #ifndef TARGET_ARM_TTYPE
84 #define TARGET_ASM_TTYPE hook_bool_rtx_false
85 #endif
86
87 #ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
88 #define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility
89 #endif
90
91 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
92 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
93 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
94 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
95
96 #ifndef TARGET_ASM_SELECT_SECTION
97 #define TARGET_ASM_SELECT_SECTION default_select_section
98 #endif
99
100 #ifndef TARGET_ASM_UNIQUE_SECTION
101 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
102 #endif
103
104 #ifndef TARGET_ASM_FUNCTION_RODATA_SECTION
105 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_function_rodata_section
106 #endif
107
108 #ifndef TARGET_ASM_SELECT_RTX_SECTION
109 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
110 #endif
111
112 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
113 # ifdef CTORS_SECTION_ASM_OP
114 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
115 # else
116 #  ifdef TARGET_ASM_NAMED_SECTION
117 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
118 #  else
119 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
120 #  endif
121 # endif
122 #endif
123
124 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
125 # ifdef DTORS_SECTION_ASM_OP
126 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
127 # else
128 #  ifdef TARGET_ASM_NAMED_SECTION
129 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
130 #  else
131 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
132 #  endif
133 # endif
134 #endif
135
136 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
137 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false
138
139 #if !defined(TARGET_HAVE_CTORS_DTORS)
140 # if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
141 # define TARGET_HAVE_CTORS_DTORS true
142 # else
143 # define TARGET_HAVE_CTORS_DTORS false
144 # define TARGET_ASM_CONSTRUCTOR NULL
145 # define TARGET_ASM_DESTRUCTOR NULL
146 # endif
147 #endif
148
149 #ifndef TARGET_HAVE_SWITCHABLE_BSS_SECTIONS
150 #define TARGET_HAVE_SWITCHABLE_BSS_SECTIONS false
151 #endif
152
153 #ifndef TARGET_ASM_INIT_SECTIONS
154 #define TARGET_ASM_INIT_SECTIONS hook_void_void
155 #endif
156
157 #ifdef TARGET_ASM_NAMED_SECTION
158 #define TARGET_HAVE_NAMED_SECTIONS true
159 #else
160 #define TARGET_ASM_NAMED_SECTION default_no_named_section
161 #define TARGET_HAVE_NAMED_SECTIONS false
162 #endif
163
164 #ifndef TARGET_INVALID_WITHIN_DOLOOP
165 #define TARGET_INVALID_WITHIN_DOLOOP default_invalid_within_doloop
166 #endif
167
168 #ifndef TARGET_VALID_DLLIMPORT_ATTRIBUTE_P
169 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P hook_bool_tree_true
170 #endif
171
172 #ifndef TARGET_HAVE_TLS
173 #define TARGET_HAVE_TLS false
174 #endif
175
176 #ifndef TARGET_HAVE_SRODATA_SECTION
177 #define TARGET_HAVE_SRODATA_SECTION false
178 #endif
179
180 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
181 #ifdef EH_FRAME_SECTION_NAME
182 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
183 #else
184 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
185 #endif
186 #endif
187
188 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
189
190 #ifndef TARGET_ASM_FILE_START
191 #define TARGET_ASM_FILE_START default_file_start
192 #endif
193
194 #ifndef TARGET_ASM_FILE_END
195 #define TARGET_ASM_FILE_END hook_void_void
196 #endif
197
198 #ifndef TARGET_EXTRA_LIVE_ON_ENTRY
199 #define TARGET_EXTRA_LIVE_ON_ENTRY hook_void_bitmap
200 #endif
201
202 #ifndef TARGET_ASM_FILE_START_APP_OFF
203 #define TARGET_ASM_FILE_START_APP_OFF false
204 #endif
205
206 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
207 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
208 #endif
209
210 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
211 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
212 #endif
213
214 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
215 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
216 #endif
217
218 #ifndef TARGET_ASM_OUTPUT_ANCHOR
219 #ifdef ASM_OUTPUT_DEF
220 #define TARGET_ASM_OUTPUT_ANCHOR default_asm_output_anchor
221 #else
222 #define TARGET_ASM_OUTPUT_ANCHOR NULL
223 #endif
224 #endif
225
226 #ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
227 #define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
228 #endif
229
230 #define TARGET_ASM_ALIGNED_INT_OP                               \
231                        {TARGET_ASM_ALIGNED_HI_OP,               \
232                         TARGET_ASM_ALIGNED_SI_OP,               \
233                         TARGET_ASM_ALIGNED_DI_OP,               \
234                         TARGET_ASM_ALIGNED_TI_OP}
235
236 #define TARGET_ASM_UNALIGNED_INT_OP                             \
237                        {TARGET_ASM_UNALIGNED_HI_OP,             \
238                         TARGET_ASM_UNALIGNED_SI_OP,             \
239                         TARGET_ASM_UNALIGNED_DI_OP,             \
240                         TARGET_ASM_UNALIGNED_TI_OP}
241
242 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
243                         TARGET_ASM_CLOSE_PAREN,                 \
244                         TARGET_ASM_BYTE_OP,                     \
245                         TARGET_ASM_ALIGNED_INT_OP,              \
246                         TARGET_ASM_UNALIGNED_INT_OP,            \
247                         TARGET_ASM_INTEGER,                     \
248                         TARGET_ASM_GLOBALIZE_LABEL,             \
249                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
250                         TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL,     \
251                         TARGET_UNWIND_EMIT,                     \
252                         TARGET_ASM_INTERNAL_LABEL,              \
253                         TARGET_ASM_TTYPE,                       \
254                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
255                         TARGET_ASM_FUNCTION_PROLOGUE,           \
256                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
257                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
258                         TARGET_ASM_FUNCTION_EPILOGUE,           \
259                         TARGET_ASM_INIT_SECTIONS,               \
260                         TARGET_ASM_NAMED_SECTION,               \
261                         TARGET_ASM_SELECT_SECTION,              \
262                         TARGET_ASM_SELECT_RTX_SECTION,          \
263                         TARGET_ASM_UNIQUE_SECTION,              \
264                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
265                         TARGET_ASM_CONSTRUCTOR,                 \
266                         TARGET_ASM_DESTRUCTOR,                  \
267                         TARGET_ASM_OUTPUT_MI_THUNK,             \
268                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
269                         TARGET_ASM_FILE_START,                  \
270                         TARGET_ASM_FILE_END,                    \
271                         TARGET_ASM_EXTERNAL_LIBCALL,            \
272                         TARGET_ASM_MARK_DECL_PRESERVED,         \
273                         TARGET_ASM_OUTPUT_ANCHOR,               \
274                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
275
276 /* Scheduler hooks.  All of these default to null pointers, which
277    haifa-sched.c looks for and handles.  */
278 #define TARGET_SCHED_ADJUST_COST 0
279 #define TARGET_SCHED_ADJUST_PRIORITY 0
280 #define TARGET_SCHED_ISSUE_RATE 0
281 #define TARGET_SCHED_VARIABLE_ISSUE 0
282 #define TARGET_SCHED_INIT 0
283 #define TARGET_SCHED_FINISH 0
284 #define TARGET_SCHED_INIT_GLOBAL 0
285 #define TARGET_SCHED_FINISH_GLOBAL 0
286 #define TARGET_SCHED_REORDER 0
287 #define TARGET_SCHED_REORDER2 0
288 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
289 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
290 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
291 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
292 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
293 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
294 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
295 #define TARGET_SCHED_DFA_NEW_CYCLE 0
296 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
297 #define TARGET_SCHED_ADJUST_COST_2 0
298 #define TARGET_SCHED_H_I_D_EXTENDED 0
299 #define TARGET_SCHED_SPECULATE_INSN 0
300 #define TARGET_SCHED_NEEDS_BLOCK_P 0
301 #define TARGET_SCHED_GEN_CHECK 0
302 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC 0
303 #define TARGET_SCHED_SET_SCHED_FLAGS 0
304
305
306 #define TARGET_SCHED                                            \
307   {TARGET_SCHED_ADJUST_COST,                                    \
308    TARGET_SCHED_ADJUST_PRIORITY,                                \
309    TARGET_SCHED_ISSUE_RATE,                                     \
310    TARGET_SCHED_VARIABLE_ISSUE,                                 \
311    TARGET_SCHED_INIT,                                           \
312    TARGET_SCHED_FINISH,                                         \
313    TARGET_SCHED_INIT_GLOBAL,                                    \
314    TARGET_SCHED_FINISH_GLOBAL,                                  \
315    TARGET_SCHED_REORDER,                                        \
316    TARGET_SCHED_REORDER2,                                       \
317    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
318    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
319    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
320    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
321    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
322    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
323    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
324    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
325    TARGET_SCHED_IS_COSTLY_DEPENDENCE,                           \
326    TARGET_SCHED_ADJUST_COST_2,                                  \
327    TARGET_SCHED_H_I_D_EXTENDED,                                 \
328    TARGET_SCHED_SPECULATE_INSN,                                 \
329    TARGET_SCHED_NEEDS_BLOCK_P,                                  \
330    TARGET_SCHED_GEN_CHECK,                                      \
331    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC, \
332    TARGET_SCHED_SET_SCHED_FLAGS}
333
334 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
335
336 #define TARGET_VECTORIZE                                                \
337   {TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD}
338
339 #define TARGET_DEFAULT_TARGET_FLAGS 0
340
341 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
342
343 /* In except.c */
344 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
345
346 /* In tree.c.  */
347 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
348 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
349 #define TARGET_ATTRIBUTE_TABLE NULL
350
351 /* In cse.c.  */
352 #define TARGET_ADDRESS_COST default_address_cost
353
354 /* In builtins.c.  */
355 #define TARGET_INIT_BUILTINS hook_void_void
356 #define TARGET_EXPAND_BUILTIN default_expand_builtin
357 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
358 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
359
360 /* In varasm.c.  */
361 #ifndef TARGET_SECTION_TYPE_FLAGS
362 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
363 #endif
364
365 #ifndef TARGET_STRIP_NAME_ENCODING
366 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
367 #endif
368
369 #ifndef TARGET_BINDS_LOCAL_P
370 #define TARGET_BINDS_LOCAL_P default_binds_local_p
371 #endif
372
373 #ifndef TARGET_SHIFT_TRUNCATION_MASK
374 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
375 #endif
376
377 #ifndef TARGET_MIN_DIVISIONS_FOR_RECIP_MUL
378 #define TARGET_MIN_DIVISIONS_FOR_RECIP_MUL default_min_divisions_for_recip_mul
379 #endif
380
381 #ifndef TARGET_MODE_REP_EXTENDED
382 #define TARGET_MODE_REP_EXTENDED default_mode_rep_extended
383 #endif
384
385 #ifndef TARGET_VALID_POINTER_MODE
386 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
387 #endif
388
389 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
390 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
391 #endif
392
393 #ifndef TARGET_DECIMAL_FLOAT_SUPPORTED_P
394 #define TARGET_DECIMAL_FLOAT_SUPPORTED_P default_decimal_float_supported_p
395 #endif
396
397 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
398 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
399 #endif
400
401 #ifndef TARGET_VECTOR_OPAQUE_P
402 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
403 #endif
404
405 /* In hooks.c.  */
406 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
407 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
408 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
409 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
410 #define TARGET_CANNOT_COPY_INSN_P NULL
411 #define TARGET_COMMUTATIVE_P hook_bool_rtx_commutative_p
412 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
413 #define TARGET_USE_BLOCKS_FOR_CONSTANT_P hook_bool_mode_rtx_false
414 #define TARGET_MIN_ANCHOR_OFFSET 0
415 #define TARGET_MAX_ANCHOR_OFFSET 0
416 #define TARGET_USE_ANCHORS_FOR_SYMBOL_P default_use_anchors_for_symbol_p
417 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
418 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
419 #ifndef TARGET_SET_DEFAULT_TYPE_ATTRIBUTES
420 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
421 #endif
422 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
423 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
424 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
425 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
426 #define TARGET_NARROW_VOLATILE_BITFIELD hook_bool_void_false
427 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
428 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
429 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
430
431 #ifndef TARGET_INIT_LIBFUNCS
432 #define TARGET_INIT_LIBFUNCS hook_void_void
433 #endif
434
435 #ifndef TARGET_IN_SMALL_DATA_P
436 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
437 #endif
438
439 #ifndef TARGET_ENCODE_SECTION_INFO
440 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
441 #endif
442
443 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
444 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
445 #endif
446
447 #define TARGET_INVALID_CONVERSION hook_constcharptr_tree_tree_null
448 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_tree_null
449 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_tree_tree_null
450
451 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
452
453 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
454
455 #define TARGET_MACHINE_DEPENDENT_REORG 0
456
457 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
458
459 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
460 #define TARGET_PCH_VALID_P default_pch_valid_p
461 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
462
463 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
464
465 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
466
467 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
468
469 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
470
471 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
472
473 #define TARGET_STDARG_OPTIMIZE_HOOK 0
474
475 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
476 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
477
478 #define TARGET_ARM_EABI_UNWINDER false
479
480 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
481 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
482 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
483
484 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
485 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
486 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
487
488 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
489 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
490 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
491 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
492   default_pretend_outgoing_varargs_named
493 #define TARGET_SPLIT_COMPLEX_ARG NULL
494
495 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
496 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
497
498 #define TARGET_RELAXED_ORDERING false
499
500 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
501 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
502 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
503
504 #define TARGET_FUNCTION_VALUE default_function_value
505 #define TARGET_INTERNAL_ARG_POINTER default_internal_arg_pointer
506
507 #define TARGET_CALLS {                                          \
508    TARGET_PROMOTE_FUNCTION_ARGS,                                \
509    TARGET_PROMOTE_FUNCTION_RETURN,                              \
510    TARGET_PROMOTE_PROTOTYPES,                                   \
511    TARGET_STRUCT_VALUE_RTX,                                     \
512    TARGET_RETURN_IN_MEMORY,                                     \
513    TARGET_RETURN_IN_MSB,                                        \
514    TARGET_PASS_BY_REFERENCE,                                    \
515    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
516    TARGET_SETUP_INCOMING_VARARGS,                               \
517    TARGET_STRICT_ARGUMENT_NAMING,                               \
518    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
519    TARGET_SPLIT_COMPLEX_ARG,                                    \
520    TARGET_MUST_PASS_IN_STACK,                                   \
521    TARGET_CALLEE_COPIES,                                        \
522    TARGET_ARG_PARTIAL_BYTES,                                    \
523    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
524    TARGET_FUNCTION_VALUE,                                       \
525    TARGET_INTERNAL_ARG_POINTER                                  \
526    }
527
528 #ifndef TARGET_UNWIND_TABLES_DEFAULT
529 #define TARGET_UNWIND_TABLES_DEFAULT false
530 #endif
531
532 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
533 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
534 #endif
535
536 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
537 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
538 #endif
539
540 #ifndef TARGET_SECONDARY_RELOAD
541 #define TARGET_SECONDARY_RELOAD default_secondary_reload
542 #endif
543
544
545 /* C++ specific.  */
546 #ifndef TARGET_CXX_GUARD_TYPE
547 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
548 #endif
549
550 #ifndef TARGET_CXX_GUARD_MASK_BIT
551 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
552 #endif
553
554 #ifndef TARGET_CXX_GET_COOKIE_SIZE
555 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
556 #endif
557
558 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
559 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
560 #endif
561
562 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
563 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
564 #endif
565
566 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
567 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
568 #endif
569
570 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
571 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
572 #endif
573
574 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
575 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
576 #endif
577
578 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
579 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
580 #endif
581
582 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
583 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
584 #endif
585
586 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
587 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
588 #endif
589
590 #define TARGET_CXX                              \
591   {                                             \
592     TARGET_CXX_GUARD_TYPE,                      \
593     TARGET_CXX_GUARD_MASK_BIT,                  \
594     TARGET_CXX_GET_COOKIE_SIZE,                 \
595     TARGET_CXX_COOKIE_HAS_SIZE,                 \
596     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
597     TARGET_CXX_CDTOR_RETURNS_THIS,              \
598     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
599     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
600     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
601     TARGET_CXX_USE_AEABI_ATEXIT,                \
602     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
603   }
604
605 /* The whole shebang.  */
606 #define TARGET_INITIALIZER                      \
607 {                                               \
608   TARGET_ASM_OUT,                               \
609   TARGET_SCHED,                                 \
610   TARGET_VECTORIZE,                             \
611   TARGET_DEFAULT_TARGET_FLAGS,                  \
612   TARGET_HANDLE_OPTION,                         \
613   TARGET_EH_RETURN_FILTER_MODE,                 \
614   TARGET_MERGE_DECL_ATTRIBUTES,                 \
615   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
616   TARGET_ATTRIBUTE_TABLE,                       \
617   TARGET_COMP_TYPE_ATTRIBUTES,                  \
618   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
619   TARGET_INSERT_ATTRIBUTES,                     \
620   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
621   TARGET_MS_BITFIELD_LAYOUT_P,                  \
622   TARGET_DECIMAL_FLOAT_SUPPORTED_P,             \
623   TARGET_ALIGN_ANON_BITFIELD,                   \
624   TARGET_NARROW_VOLATILE_BITFIELD,              \
625   TARGET_INIT_BUILTINS,                         \
626   TARGET_EXPAND_BUILTIN,                        \
627   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
628   TARGET_FOLD_BUILTIN,                          \
629   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
630   TARGET_INIT_LIBFUNCS,                         \
631   TARGET_SECTION_TYPE_FLAGS,                    \
632   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
633   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
634   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
635   TARGET_CANNOT_FORCE_CONST_MEM,                \
636   TARGET_CANNOT_COPY_INSN_P,                    \
637   TARGET_COMMUTATIVE_P,                         \
638   TARGET_DELEGITIMIZE_ADDRESS,                  \
639   TARGET_USE_BLOCKS_FOR_CONSTANT_P,             \
640   TARGET_MIN_ANCHOR_OFFSET,                     \
641   TARGET_MAX_ANCHOR_OFFSET,                     \
642   TARGET_USE_ANCHORS_FOR_SYMBOL_P,              \
643   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
644   TARGET_IN_SMALL_DATA_P,                       \
645   TARGET_BINDS_LOCAL_P,                         \
646   TARGET_ENCODE_SECTION_INFO,                   \
647   TARGET_STRIP_NAME_ENCODING,                   \
648   TARGET_SHIFT_TRUNCATION_MASK,                 \
649   TARGET_MIN_DIVISIONS_FOR_RECIP_MUL,           \
650   TARGET_MODE_REP_EXTENDED,                     \
651   TARGET_VALID_POINTER_MODE,                    \
652   TARGET_SCALAR_MODE_SUPPORTED_P,               \
653   TARGET_VECTOR_MODE_SUPPORTED_P,               \
654   TARGET_VECTOR_OPAQUE_P,                       \
655   TARGET_RTX_COSTS,                             \
656   TARGET_ADDRESS_COST,                          \
657   TARGET_ALLOCATE_INITIAL_VALUE,                \
658   TARGET_DWARF_REGISTER_SPAN,                   \
659   TARGET_FIXED_CONDITION_CODE_REGS,             \
660   TARGET_CC_MODES_COMPATIBLE,                   \
661   TARGET_MACHINE_DEPENDENT_REORG,               \
662   TARGET_BUILD_BUILTIN_VA_LIST,                 \
663   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
664   TARGET_GET_PCH_VALIDITY,                      \
665   TARGET_PCH_VALID_P,                           \
666   TARGET_CHECK_PCH_TARGET_FLAGS,                \
667   TARGET_DEFAULT_SHORT_ENUMS,                   \
668   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
669   TARGET_MD_ASM_CLOBBERS,                       \
670   TARGET_DWARF_CALLING_CONVENTION,              \
671   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
672   TARGET_STDARG_OPTIMIZE_HOOK,                  \
673   TARGET_STACK_PROTECT_GUARD,                   \
674   TARGET_STACK_PROTECT_FAIL,                    \
675   TARGET_INVALID_WITHIN_DOLOOP,                 \
676   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
677   TARGET_CALLS,                                 \
678   TARGET_INVALID_CONVERSION,                    \
679   TARGET_INVALID_UNARY_OP,                      \
680   TARGET_INVALID_BINARY_OP,                     \
681   TARGET_SECONDARY_RELOAD,                      \
682   TARGET_CXX,                                   \
683   TARGET_EXTRA_LIVE_ON_ENTRY,                    \
684   TARGET_UNWIND_TABLES_DEFAULT,                 \
685   TARGET_HAVE_NAMED_SECTIONS,                   \
686   TARGET_HAVE_SWITCHABLE_BSS_SECTIONS,          \
687   TARGET_HAVE_CTORS_DTORS,                      \
688   TARGET_HAVE_TLS,                              \
689   TARGET_HAVE_SRODATA_SECTION,                  \
690   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
691   TARGET_ASM_FILE_START_APP_OFF,                \
692   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
693   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
694   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
695   TARGET_RELAXED_ORDERING,                      \
696   TARGET_ARM_EABI_UNWINDER                      \
697 }
698
699 #include "hooks.h"
700 #include "targhooks.h"