1 /* Default initializers for a generic GCC target.
2 Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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
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.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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! */
22 /* See target.h for a description of what this file contains and how to
25 We want to have non-NULL default definitions of all hook functions,
26 even if they do nothing. */
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. */
32 /* Assembler output. */
33 #define TARGET_ASM_OPEN_PAREN "("
34 #define TARGET_ASM_CLOSE_PAREN ")"
35 #define TARGET_ASM_BYTE_OP "\t.byte\t"
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
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
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 */
55 #define TARGET_ASM_INTEGER default_assemble_integer
57 #ifndef TARGET_ASM_GLOBALIZE_LABEL
58 #define TARGET_ASM_GLOBALIZE_LABEL default_globalize_label
61 #ifndef TARGET_ASM_EMIT_UNWIND_LABEL
62 #define TARGET_ASM_EMIT_UNWIND_LABEL default_emit_unwind_label
65 #ifndef TARGET_UNWIND_EMIT
66 #define TARGET_UNWIND_EMIT default_unwind_emit
69 #ifndef TARGET_ASM_INTERNAL_LABEL
70 #define TARGET_ASM_INTERNAL_LABEL default_internal_label
73 #ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
74 #define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility
77 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
78 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
79 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
80 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
82 #ifndef TARGET_ASM_SELECT_SECTION
83 #define TARGET_ASM_SELECT_SECTION default_select_section
86 #ifndef TARGET_ASM_UNIQUE_SECTION
87 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
90 #ifndef TARGET_ASM_FUNCTION_RODATA_SECTION
91 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_function_rodata_section
94 #ifndef TARGET_ASM_SELECT_RTX_SECTION
95 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
98 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
99 # ifdef CTORS_SECTION_ASM_OP
100 # define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
102 # ifdef TARGET_ASM_NAMED_SECTION
103 # define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
105 # define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
110 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
111 # ifdef DTORS_SECTION_ASM_OP
112 # define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
114 # ifdef TARGET_ASM_NAMED_SECTION
115 # define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
117 # define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
122 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
123 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false
125 #if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
126 #define TARGET_HAVE_CTORS_DTORS true
128 #define TARGET_HAVE_CTORS_DTORS false
129 #define TARGET_ASM_CONSTRUCTOR NULL
130 #define TARGET_ASM_DESTRUCTOR NULL
133 #ifdef TARGET_ASM_NAMED_SECTION
134 #define TARGET_HAVE_NAMED_SECTIONS true
136 #define TARGET_ASM_NAMED_SECTION default_no_named_section
137 #define TARGET_HAVE_NAMED_SECTIONS false
140 #ifndef TARGET_HAVE_TLS
141 #define TARGET_HAVE_TLS false
144 #ifndef TARGET_HAVE_SRODATA_SECTION
145 #define TARGET_HAVE_SRODATA_SECTION false
148 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
149 #ifdef EH_FRAME_SECTION_NAME
150 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
152 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
156 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
158 #ifndef TARGET_ASM_EXCEPTION_SECTION
159 #define TARGET_ASM_EXCEPTION_SECTION default_exception_section
162 #ifndef TARGET_ASM_EH_FRAME_SECTION
163 #define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section
166 #ifndef TARGET_ASM_FILE_START
167 #define TARGET_ASM_FILE_START default_file_start
170 #ifndef TARGET_ASM_FILE_END
171 #define TARGET_ASM_FILE_END hook_void_void
174 #ifndef TARGET_ASM_FILE_START_APP_OFF
175 #define TARGET_ASM_FILE_START_APP_OFF false
178 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
179 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
182 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
183 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
186 #define TARGET_ASM_ALIGNED_INT_OP \
187 {TARGET_ASM_ALIGNED_HI_OP, \
188 TARGET_ASM_ALIGNED_SI_OP, \
189 TARGET_ASM_ALIGNED_DI_OP, \
190 TARGET_ASM_ALIGNED_TI_OP}
192 #define TARGET_ASM_UNALIGNED_INT_OP \
193 {TARGET_ASM_UNALIGNED_HI_OP, \
194 TARGET_ASM_UNALIGNED_SI_OP, \
195 TARGET_ASM_UNALIGNED_DI_OP, \
196 TARGET_ASM_UNALIGNED_TI_OP}
198 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN, \
199 TARGET_ASM_CLOSE_PAREN, \
200 TARGET_ASM_BYTE_OP, \
201 TARGET_ASM_ALIGNED_INT_OP, \
202 TARGET_ASM_UNALIGNED_INT_OP, \
203 TARGET_ASM_INTEGER, \
204 TARGET_ASM_GLOBALIZE_LABEL, \
205 TARGET_ASM_EMIT_UNWIND_LABEL, \
206 TARGET_UNWIND_EMIT, \
207 TARGET_ASM_INTERNAL_LABEL, \
208 TARGET_ASM_ASSEMBLE_VISIBILITY, \
209 TARGET_ASM_FUNCTION_PROLOGUE, \
210 TARGET_ASM_FUNCTION_END_PROLOGUE, \
211 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, \
212 TARGET_ASM_FUNCTION_EPILOGUE, \
213 TARGET_ASM_NAMED_SECTION, \
214 TARGET_ASM_EXCEPTION_SECTION, \
215 TARGET_ASM_EH_FRAME_SECTION, \
216 TARGET_ASM_SELECT_SECTION, \
217 TARGET_ASM_SELECT_RTX_SECTION, \
218 TARGET_ASM_UNIQUE_SECTION, \
219 TARGET_ASM_FUNCTION_RODATA_SECTION, \
220 TARGET_ASM_CONSTRUCTOR, \
221 TARGET_ASM_DESTRUCTOR, \
222 TARGET_ASM_OUTPUT_MI_THUNK, \
223 TARGET_ASM_CAN_OUTPUT_MI_THUNK, \
224 TARGET_ASM_FILE_START, \
225 TARGET_ASM_FILE_END, \
226 TARGET_ASM_EXTERNAL_LIBCALL}
228 /* Scheduler hooks. All of these default to null pointers, which
229 haifa-sched.c looks for and handles. */
230 #define TARGET_SCHED_ADJUST_COST 0
231 #define TARGET_SCHED_ADJUST_PRIORITY 0
232 #define TARGET_SCHED_ISSUE_RATE 0
233 #define TARGET_SCHED_VARIABLE_ISSUE 0
234 #define TARGET_SCHED_INIT 0
235 #define TARGET_SCHED_FINISH 0
236 #define TARGET_SCHED_INIT_GLOBAL 0
237 #define TARGET_SCHED_FINISH_GLOBAL 0
238 #define TARGET_SCHED_REORDER 0
239 #define TARGET_SCHED_REORDER2 0
240 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
241 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
242 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
243 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
244 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
245 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
246 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
247 #define TARGET_SCHED_DFA_NEW_CYCLE 0
248 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
250 #define TARGET_SCHED \
251 {TARGET_SCHED_ADJUST_COST, \
252 TARGET_SCHED_ADJUST_PRIORITY, \
253 TARGET_SCHED_ISSUE_RATE, \
254 TARGET_SCHED_VARIABLE_ISSUE, \
256 TARGET_SCHED_FINISH, \
257 TARGET_SCHED_INIT_GLOBAL, \
258 TARGET_SCHED_FINISH_GLOBAL, \
259 TARGET_SCHED_REORDER, \
260 TARGET_SCHED_REORDER2, \
261 TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK, \
262 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN, \
263 TARGET_SCHED_DFA_PRE_CYCLE_INSN, \
264 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN, \
265 TARGET_SCHED_DFA_POST_CYCLE_INSN, \
266 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD, \
267 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD, \
268 TARGET_SCHED_DFA_NEW_CYCLE, \
269 TARGET_SCHED_IS_COSTLY_DEPENDENCE}
272 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
273 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
274 #define TARGET_ATTRIBUTE_TABLE NULL
277 #define TARGET_ADDRESS_COST default_address_cost
280 #define TARGET_INIT_BUILTINS hook_void_void
281 #define TARGET_EXPAND_BUILTIN default_expand_builtin
284 #ifndef TARGET_SECTION_TYPE_FLAGS
285 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
288 #ifndef TARGET_STRIP_NAME_ENCODING
289 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
292 #ifndef TARGET_BINDS_LOCAL_P
293 #define TARGET_BINDS_LOCAL_P default_binds_local_p
296 #ifndef TARGET_VALID_POINTER_MODE
297 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
300 #ifndef TARGET_VECTOR_OPAQUE_P
301 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
305 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
306 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
307 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
308 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
309 #define TARGET_CANNOT_COPY_INSN_P NULL
310 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
311 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
312 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
313 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
314 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
315 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
316 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
317 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
318 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
319 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
321 #ifndef TARGET_INIT_LIBFUNCS
322 #define TARGET_INIT_LIBFUNCS hook_void_void
325 #ifndef TARGET_IN_SMALL_DATA_P
326 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
329 #ifndef TARGET_ENCODE_SECTION_INFO
330 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
333 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
335 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
337 #define TARGET_MACHINE_DEPENDENT_REORG 0
339 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
341 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
342 #define TARGET_PCH_VALID_P default_pch_valid_p
344 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
346 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
348 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_identity
350 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
351 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
352 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
354 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
355 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
356 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
358 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
359 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
360 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
361 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
362 default_pretend_outgoing_varargs_named
363 #define TARGET_SPLIT_COMPLEX_ARG NULL
365 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
367 #define TARGET_PASS_BY_REFERENCE hook_pass_by_reference_false
369 #define TARGET_LATE_RTL_PROLOGUE_EPILOGUE false
371 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
373 #define TARGET_CALLS { \
374 TARGET_PROMOTE_FUNCTION_ARGS, \
375 TARGET_PROMOTE_FUNCTION_RETURN, \
376 TARGET_PROMOTE_PROTOTYPES, \
377 TARGET_STRUCT_VALUE_RTX, \
378 TARGET_RETURN_IN_MEMORY, \
379 TARGET_RETURN_IN_MSB, \
380 TARGET_PASS_BY_REFERENCE, \
381 TARGET_EXPAND_BUILTIN_SAVEREGS, \
382 TARGET_SETUP_INCOMING_VARARGS, \
383 TARGET_STRICT_ARGUMENT_NAMING, \
384 TARGET_PRETEND_OUTGOING_VARARGS_NAMED, \
385 TARGET_SPLIT_COMPLEX_ARG, \
386 TARGET_MUST_PASS_IN_STACK \
390 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
391 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
394 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
395 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
400 #ifndef TARGET_CXX_GUARD_TYPE
401 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
404 #ifndef TARGET_CXX_GUARD_MASK_BIT
405 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
408 #ifndef TARGET_CXX_GET_COOKIE_SIZE
409 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
412 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
413 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
416 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
417 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
420 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
421 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
426 TARGET_CXX_GUARD_TYPE, \
427 TARGET_CXX_GUARD_MASK_BIT, \
428 TARGET_CXX_GET_COOKIE_SIZE, \
429 TARGET_CXX_COOKIE_HAS_SIZE, \
430 TARGET_CXX_IMPORT_EXPORT_CLASS, \
431 TARGET_CXX_CDTOR_RETURNS_THIS \
434 /* The whole shebang. */
435 #define TARGET_INITIALIZER \
439 TARGET_MERGE_DECL_ATTRIBUTES, \
440 TARGET_MERGE_TYPE_ATTRIBUTES, \
441 TARGET_ATTRIBUTE_TABLE, \
442 TARGET_COMP_TYPE_ATTRIBUTES, \
443 TARGET_SET_DEFAULT_TYPE_ATTRIBUTES, \
444 TARGET_INSERT_ATTRIBUTES, \
445 TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P, \
446 TARGET_MS_BITFIELD_LAYOUT_P, \
447 TARGET_ALIGN_ANON_BITFIELD, \
448 TARGET_INIT_BUILTINS, \
449 TARGET_EXPAND_BUILTIN, \
450 TARGET_MANGLE_FUNDAMENTAL_TYPE, \
451 TARGET_INIT_LIBFUNCS, \
452 TARGET_SECTION_TYPE_FLAGS, \
453 TARGET_CANNOT_MODIFY_JUMPS_P, \
454 TARGET_BRANCH_TARGET_REGISTER_CLASS, \
455 TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED, \
456 TARGET_CANNOT_FORCE_CONST_MEM, \
457 TARGET_CANNOT_COPY_INSN_P, \
458 TARGET_DELEGITIMIZE_ADDRESS, \
459 TARGET_FUNCTION_OK_FOR_SIBCALL, \
460 TARGET_IN_SMALL_DATA_P, \
461 TARGET_BINDS_LOCAL_P, \
462 TARGET_ENCODE_SECTION_INFO, \
463 TARGET_STRIP_NAME_ENCODING, \
464 TARGET_VALID_POINTER_MODE, \
465 TARGET_VECTOR_OPAQUE_P, \
467 TARGET_ADDRESS_COST, \
468 TARGET_DWARF_REGISTER_SPAN, \
469 TARGET_FIXED_CONDITION_CODE_REGS, \
470 TARGET_CC_MODES_COMPATIBLE, \
471 TARGET_MACHINE_DEPENDENT_REORG, \
472 TARGET_BUILD_BUILTIN_VA_LIST, \
473 TARGET_GIMPLIFY_VA_ARG_EXPR, \
474 TARGET_GET_PCH_VALIDITY, \
475 TARGET_PCH_VALID_P, \
476 TARGET_DEFAULT_SHORT_ENUMS, \
477 TARGET_BUILTIN_SETJMP_FRAME_VALUE, \
478 TARGET_MD_ASM_CLOBBERS, \
481 TARGET_HAVE_NAMED_SECTIONS, \
482 TARGET_HAVE_CTORS_DTORS, \
484 TARGET_HAVE_SRODATA_SECTION, \
485 TARGET_TERMINATE_DW2_EH_FRAME_INFO, \
486 TARGET_ASM_FILE_START_APP_OFF, \
487 TARGET_ASM_FILE_START_FILE_DIRECTIVE, \
488 TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME, \
489 TARGET_HANDLE_PRAGMA_EXTERN_PREFIX, \
490 TARGET_LATE_RTL_PROLOGUE_EPILOGUE, \
494 #include "targhooks.h"