1 /* Default initializers for a generic GCC target.
2 Copyright (C) 2001, 2002, 2003 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) || defined (OBJECT_FORMAT_ROSE)
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 || OBJECT_FORMAT_ROSE */
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 #define TARGET_ASM_ALIGNED_INT_OP \
170 {TARGET_ASM_ALIGNED_HI_OP, \
171 TARGET_ASM_ALIGNED_SI_OP, \
172 TARGET_ASM_ALIGNED_DI_OP, \
173 TARGET_ASM_ALIGNED_TI_OP}
175 #define TARGET_ASM_UNALIGNED_INT_OP \
176 {TARGET_ASM_UNALIGNED_HI_OP, \
177 TARGET_ASM_UNALIGNED_SI_OP, \
178 TARGET_ASM_UNALIGNED_DI_OP, \
179 TARGET_ASM_UNALIGNED_TI_OP}
181 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN, \
182 TARGET_ASM_CLOSE_PAREN, \
183 TARGET_ASM_BYTE_OP, \
184 TARGET_ASM_ALIGNED_INT_OP, \
185 TARGET_ASM_UNALIGNED_INT_OP, \
186 TARGET_ASM_INTEGER, \
187 TARGET_ASM_GLOBALIZE_LABEL, \
188 TARGET_ASM_INTERNAL_LABEL, \
189 TARGET_ASM_ASSEMBLE_VISIBILITY, \
190 TARGET_ASM_FUNCTION_PROLOGUE, \
191 TARGET_ASM_FUNCTION_END_PROLOGUE, \
192 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, \
193 TARGET_ASM_FUNCTION_EPILOGUE, \
194 TARGET_ASM_NAMED_SECTION, \
195 TARGET_ASM_EXCEPTION_SECTION, \
196 TARGET_ASM_EH_FRAME_SECTION, \
197 TARGET_ASM_SELECT_SECTION, \
198 TARGET_ASM_SELECT_RTX_SECTION, \
199 TARGET_ASM_UNIQUE_SECTION, \
200 TARGET_ASM_CONSTRUCTOR, \
201 TARGET_ASM_DESTRUCTOR, \
202 TARGET_ASM_OUTPUT_MI_THUNK, \
203 TARGET_ASM_CAN_OUTPUT_MI_THUNK, \
204 TARGET_ASM_FILE_START, \
207 /* Scheduler hooks. All of these default to null pointers, which
208 haifa-sched.c looks for and handles. */
209 #define TARGET_SCHED_ADJUST_COST 0
210 #define TARGET_SCHED_ADJUST_PRIORITY 0
211 #define TARGET_SCHED_ISSUE_RATE 0
212 #define TARGET_SCHED_VARIABLE_ISSUE 0
213 #define TARGET_SCHED_INIT 0
214 #define TARGET_SCHED_FINISH 0
215 #define TARGET_SCHED_REORDER 0
216 #define TARGET_SCHED_REORDER2 0
217 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
218 #define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE 0
219 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
220 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
221 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
222 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
223 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
224 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
225 #define TARGET_SCHED_DFA_NEW_CYCLE 0
226 #define TARGET_SCHED_INIT_DFA_BUBBLES 0
227 #define TARGET_SCHED_DFA_BUBBLE 0
229 #define TARGET_SCHED \
230 {TARGET_SCHED_ADJUST_COST, \
231 TARGET_SCHED_ADJUST_PRIORITY, \
232 TARGET_SCHED_ISSUE_RATE, \
233 TARGET_SCHED_VARIABLE_ISSUE, \
235 TARGET_SCHED_FINISH, \
236 TARGET_SCHED_REORDER, \
237 TARGET_SCHED_REORDER2, \
238 TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK, \
239 TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE, \
240 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN, \
241 TARGET_SCHED_DFA_PRE_CYCLE_INSN, \
242 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN, \
243 TARGET_SCHED_DFA_POST_CYCLE_INSN, \
244 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD, \
245 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD, \
246 TARGET_SCHED_DFA_NEW_CYCLE, \
247 TARGET_SCHED_INIT_DFA_BUBBLES, \
248 TARGET_SCHED_DFA_BUBBLE}
251 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
252 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
253 #define TARGET_ATTRIBUTE_TABLE NULL
256 #define TARGET_ADDRESS_COST default_address_cost
259 #define TARGET_INIT_BUILTINS default_init_builtins
260 #define TARGET_EXPAND_BUILTIN default_expand_builtin
263 #ifndef TARGET_SECTION_TYPE_FLAGS
264 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
267 #ifndef TARGET_STRIP_NAME_ENCODING
268 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
271 #ifndef TARGET_BINDS_LOCAL_P
272 #define TARGET_BINDS_LOCAL_P default_binds_local_p
275 #ifndef TARGET_VALID_POINTER_MODE
276 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
279 #ifndef TARGET_VECTOR_OPAQUE_P
280 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
284 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
285 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_reg_class_void_no_regs
286 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
287 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
288 #define TARGET_CANNOT_COPY_INSN_P NULL
289 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
290 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
291 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
292 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
293 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
294 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
295 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
296 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
298 #ifndef TARGET_IN_SMALL_DATA_P
299 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
302 #ifndef TARGET_ENCODE_SECTION_INFO
303 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
306 #define TARGET_MACHINE_DEPENDENT_REORG 0
308 /* The whole shebang. */
309 #define TARGET_INITIALIZER \
313 TARGET_MERGE_DECL_ATTRIBUTES, \
314 TARGET_MERGE_TYPE_ATTRIBUTES, \
315 TARGET_ATTRIBUTE_TABLE, \
316 TARGET_COMP_TYPE_ATTRIBUTES, \
317 TARGET_SET_DEFAULT_TYPE_ATTRIBUTES, \
318 TARGET_INSERT_ATTRIBUTES, \
319 TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P, \
320 TARGET_MS_BITFIELD_LAYOUT_P, \
321 TARGET_INIT_BUILTINS, \
322 TARGET_EXPAND_BUILTIN, \
323 TARGET_SECTION_TYPE_FLAGS, \
324 TARGET_CANNOT_MODIFY_JUMPS_P, \
325 TARGET_BRANCH_TARGET_REGISTER_CLASS, \
326 TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED, \
327 TARGET_CANNOT_FORCE_CONST_MEM, \
328 TARGET_CANNOT_COPY_INSN_P, \
329 TARGET_DELEGITIMIZE_ADDRESS, \
330 TARGET_FUNCTION_OK_FOR_SIBCALL, \
331 TARGET_IN_SMALL_DATA_P, \
332 TARGET_BINDS_LOCAL_P, \
333 TARGET_ENCODE_SECTION_INFO, \
334 TARGET_STRIP_NAME_ENCODING, \
335 TARGET_VALID_POINTER_MODE, \
336 TARGET_VECTOR_OPAQUE_P, \
338 TARGET_ADDRESS_COST, \
339 TARGET_DWARF_REGISTER_SPAN, \
340 TARGET_MACHINE_DEPENDENT_REORG, \
341 TARGET_HAVE_NAMED_SECTIONS, \
342 TARGET_HAVE_CTORS_DTORS, \
344 TARGET_HAVE_SRODATA_SECTION, \
345 TARGET_TERMINATE_DW2_EH_FRAME_INFO, \
346 TARGET_ASM_FILE_START_APP_OFF, \
347 TARGET_ASM_FILE_START_FILE_DIRECTIVE, \