861e9ed07cb4ff9b1c627803921d58db262922cc
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
60 #ifndef TARGET_ASM_INTERNAL_LABEL
61 #define TARGET_ASM_INTERNAL_LABEL default_internal_label
64 #ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
65 #define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility
68 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
69 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
70 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
71 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
73 #ifndef TARGET_ASM_SELECT_SECTION
74 #define TARGET_ASM_SELECT_SECTION default_select_section
77 #ifndef TARGET_ASM_UNIQUE_SECTION
78 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
81 #ifndef TARGET_ASM_SELECT_RTX_SECTION
82 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
85 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
86 # ifdef CTORS_SECTION_ASM_OP
87 # define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
89 # ifdef TARGET_ASM_NAMED_SECTION
90 # define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
92 # define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
97 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
98 # ifdef DTORS_SECTION_ASM_OP
99 # define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
101 # ifdef TARGET_ASM_NAMED_SECTION
102 # define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
104 # define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
109 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
110 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false
112 #if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
113 #define TARGET_HAVE_CTORS_DTORS true
115 #define TARGET_HAVE_CTORS_DTORS false
116 #define TARGET_ASM_CONSTRUCTOR NULL
117 #define TARGET_ASM_DESTRUCTOR NULL
120 #ifdef TARGET_ASM_NAMED_SECTION
121 #define TARGET_HAVE_NAMED_SECTIONS true
123 #define TARGET_ASM_NAMED_SECTION default_no_named_section
124 #define TARGET_HAVE_NAMED_SECTIONS false
127 #ifndef TARGET_HAVE_TLS
128 #define TARGET_HAVE_TLS false
131 #ifndef TARGET_HAVE_SRODATA_SECTION
132 #define TARGET_HAVE_SRODATA_SECTION false
135 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
136 #ifdef EH_FRAME_SECTION_NAME
137 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
139 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
143 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
145 #ifndef TARGET_ASM_EXCEPTION_SECTION
146 #define TARGET_ASM_EXCEPTION_SECTION default_exception_section
149 #ifndef TARGET_ASM_EH_FRAME_SECTION
150 #define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section
153 #ifndef TARGET_ASM_FILE_START
154 #define TARGET_ASM_FILE_START default_file_start
157 #ifndef TARGET_ASM_FILE_END
158 #define TARGET_ASM_FILE_END hook_void_void
161 #ifndef TARGET_ASM_FILE_START_APP_OFF
162 #define TARGET_ASM_FILE_START_APP_OFF false
165 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
166 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
169 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
170 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
173 #define TARGET_ASM_ALIGNED_INT_OP \
174 {TARGET_ASM_ALIGNED_HI_OP, \
175 TARGET_ASM_ALIGNED_SI_OP, \
176 TARGET_ASM_ALIGNED_DI_OP, \
177 TARGET_ASM_ALIGNED_TI_OP}
179 #define TARGET_ASM_UNALIGNED_INT_OP \
180 {TARGET_ASM_UNALIGNED_HI_OP, \
181 TARGET_ASM_UNALIGNED_SI_OP, \
182 TARGET_ASM_UNALIGNED_DI_OP, \
183 TARGET_ASM_UNALIGNED_TI_OP}
185 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN, \
186 TARGET_ASM_CLOSE_PAREN, \
187 TARGET_ASM_BYTE_OP, \
188 TARGET_ASM_ALIGNED_INT_OP, \
189 TARGET_ASM_UNALIGNED_INT_OP, \
190 TARGET_ASM_INTEGER, \
191 TARGET_ASM_GLOBALIZE_LABEL, \
192 TARGET_ASM_INTERNAL_LABEL, \
193 TARGET_ASM_ASSEMBLE_VISIBILITY, \
194 TARGET_ASM_FUNCTION_PROLOGUE, \
195 TARGET_ASM_FUNCTION_END_PROLOGUE, \
196 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, \
197 TARGET_ASM_FUNCTION_EPILOGUE, \
198 TARGET_ASM_NAMED_SECTION, \
199 TARGET_ASM_EXCEPTION_SECTION, \
200 TARGET_ASM_EH_FRAME_SECTION, \
201 TARGET_ASM_SELECT_SECTION, \
202 TARGET_ASM_SELECT_RTX_SECTION, \
203 TARGET_ASM_UNIQUE_SECTION, \
204 TARGET_ASM_CONSTRUCTOR, \
205 TARGET_ASM_DESTRUCTOR, \
206 TARGET_ASM_OUTPUT_MI_THUNK, \
207 TARGET_ASM_CAN_OUTPUT_MI_THUNK, \
208 TARGET_ASM_FILE_START, \
209 TARGET_ASM_FILE_END, \
210 TARGET_ASM_EXTERNAL_LIBCALL}
212 /* Scheduler hooks. All of these default to null pointers, which
213 haifa-sched.c looks for and handles. */
214 #define TARGET_SCHED_ADJUST_COST 0
215 #define TARGET_SCHED_ADJUST_PRIORITY 0
216 #define TARGET_SCHED_ISSUE_RATE 0
217 #define TARGET_SCHED_VARIABLE_ISSUE 0
218 #define TARGET_SCHED_INIT 0
219 #define TARGET_SCHED_FINISH 0
220 #define TARGET_SCHED_INIT_GLOBAL 0
221 #define TARGET_SCHED_FINISH_GLOBAL 0
222 #define TARGET_SCHED_REORDER 0
223 #define TARGET_SCHED_REORDER2 0
224 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
225 #define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE 0
226 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
227 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
228 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
229 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
230 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
231 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
232 #define TARGET_SCHED_DFA_NEW_CYCLE 0
233 #define TARGET_SCHED_INIT_DFA_BUBBLES 0
234 #define TARGET_SCHED_DFA_BUBBLE 0
235 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
237 #define TARGET_SCHED \
238 {TARGET_SCHED_ADJUST_COST, \
239 TARGET_SCHED_ADJUST_PRIORITY, \
240 TARGET_SCHED_ISSUE_RATE, \
241 TARGET_SCHED_VARIABLE_ISSUE, \
243 TARGET_SCHED_FINISH, \
244 TARGET_SCHED_INIT_GLOBAL, \
245 TARGET_SCHED_FINISH_GLOBAL, \
246 TARGET_SCHED_REORDER, \
247 TARGET_SCHED_REORDER2, \
248 TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK, \
249 TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE, \
250 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN, \
251 TARGET_SCHED_DFA_PRE_CYCLE_INSN, \
252 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN, \
253 TARGET_SCHED_DFA_POST_CYCLE_INSN, \
254 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD, \
255 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD, \
256 TARGET_SCHED_DFA_NEW_CYCLE, \
257 TARGET_SCHED_INIT_DFA_BUBBLES, \
258 TARGET_SCHED_DFA_BUBBLE, \
259 TARGET_SCHED_IS_COSTLY_DEPENDENCE}
262 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
263 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
264 #define TARGET_ATTRIBUTE_TABLE NULL
267 #define TARGET_ADDRESS_COST default_address_cost
270 #define TARGET_INIT_BUILTINS hook_void_void
271 #define TARGET_EXPAND_BUILTIN default_expand_builtin
274 #ifndef TARGET_SECTION_TYPE_FLAGS
275 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
278 #ifndef TARGET_STRIP_NAME_ENCODING
279 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
282 #ifndef TARGET_BINDS_LOCAL_P
283 #define TARGET_BINDS_LOCAL_P default_binds_local_p
286 #ifndef TARGET_VALID_POINTER_MODE
287 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
290 #ifndef TARGET_VECTOR_OPAQUE_P
291 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
295 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
296 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
297 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
298 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
299 #define TARGET_CANNOT_COPY_INSN_P NULL
300 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
301 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
302 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
303 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
304 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
305 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
306 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
307 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
309 #ifndef TARGET_INIT_LIBFUNCS
310 #define TARGET_INIT_LIBFUNCS hook_void_void
313 #ifndef TARGET_IN_SMALL_DATA_P
314 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
317 #ifndef TARGET_ENCODE_SECTION_INFO
318 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
321 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
323 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
325 #define TARGET_MACHINE_DEPENDENT_REORG 0
327 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
329 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
330 #define TARGET_PCH_VALID_P default_pch_valid_p
332 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
334 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
336 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_identity
338 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
339 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
340 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
342 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
343 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
344 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
346 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
347 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
348 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
349 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED default_pretend_outgoing_varargs_named
351 #define TARGET_CALLS { \
352 TARGET_PROMOTE_FUNCTION_ARGS, \
353 TARGET_PROMOTE_FUNCTION_RETURN, \
354 TARGET_PROMOTE_PROTOTYPES, \
355 TARGET_STRUCT_VALUE_RTX, \
356 TARGET_RETURN_IN_MEMORY, \
357 TARGET_RETURN_IN_MSB, \
358 TARGET_EXPAND_BUILTIN_SAVEREGS, \
359 TARGET_SETUP_INCOMING_VARARGS, \
360 TARGET_STRICT_ARGUMENT_NAMING, \
361 TARGET_PRETEND_OUTGOING_VARARGS_NAMED, \
365 #define TARGET_OPTF hook_void_charptr
368 /* The whole shebang. */
369 #define TARGET_INITIALIZER \
373 TARGET_MERGE_DECL_ATTRIBUTES, \
374 TARGET_MERGE_TYPE_ATTRIBUTES, \
375 TARGET_ATTRIBUTE_TABLE, \
376 TARGET_COMP_TYPE_ATTRIBUTES, \
377 TARGET_SET_DEFAULT_TYPE_ATTRIBUTES, \
378 TARGET_INSERT_ATTRIBUTES, \
379 TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P, \
380 TARGET_MS_BITFIELD_LAYOUT_P, \
381 TARGET_INIT_BUILTINS, \
382 TARGET_EXPAND_BUILTIN, \
383 TARGET_INIT_LIBFUNCS, \
384 TARGET_SECTION_TYPE_FLAGS, \
385 TARGET_CANNOT_MODIFY_JUMPS_P, \
386 TARGET_BRANCH_TARGET_REGISTER_CLASS, \
387 TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED, \
388 TARGET_CANNOT_FORCE_CONST_MEM, \
389 TARGET_CANNOT_COPY_INSN_P, \
390 TARGET_DELEGITIMIZE_ADDRESS, \
391 TARGET_FUNCTION_OK_FOR_SIBCALL, \
392 TARGET_IN_SMALL_DATA_P, \
393 TARGET_BINDS_LOCAL_P, \
394 TARGET_ENCODE_SECTION_INFO, \
395 TARGET_STRIP_NAME_ENCODING, \
396 TARGET_VALID_POINTER_MODE, \
397 TARGET_VECTOR_OPAQUE_P, \
399 TARGET_ADDRESS_COST, \
400 TARGET_DWARF_REGISTER_SPAN, \
401 TARGET_FIXED_CONDITION_CODE_REGS, \
402 TARGET_CC_MODES_COMPATIBLE, \
403 TARGET_MACHINE_DEPENDENT_REORG, \
404 TARGET_BUILD_BUILTIN_VA_LIST, \
405 TARGET_GET_PCH_VALIDITY, \
406 TARGET_PCH_VALID_P, \
407 TARGET_DEFAULT_SHORT_ENUMS, \
408 TARGET_BUILTIN_SETJMP_FRAME_VALUE, \
409 TARGET_MD_ASM_CLOBBERS, \
410 TARGET_HAVE_NAMED_SECTIONS, \
411 TARGET_HAVE_CTORS_DTORS, \
413 TARGET_HAVE_SRODATA_SECTION, \
414 TARGET_TERMINATE_DW2_EH_FRAME_INFO, \
415 TARGET_ASM_FILE_START_APP_OFF, \
416 TARGET_ASM_FILE_START_FILE_DIRECTIVE, \
421 #include "targhooks.h"