target-def.h revision 146895
1/* Default initializers for a generic GCC target. 2 Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. 3 4This program is free software; you can redistribute it and/or modify it 5under the terms of the GNU General Public License as published by the 6Free Software Foundation; either version 2, or (at your option) any 7later version. 8 9This program is distributed in the hope that it will be useful, 10but WITHOUT ANY WARRANTY; without even the implied warranty of 11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12GNU General Public License for more details. 13 14You should have received a copy of the GNU General Public License 15along with this program; if not, write to the Free Software 16Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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#ifndef TARGET_ASM_INTERNAL_LABEL 61#define TARGET_ASM_INTERNAL_LABEL default_internal_label 62#endif 63 64#ifndef TARGET_ASM_ASSEMBLE_VISIBILITY 65#define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility 66#endif 67 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 72 73#ifndef TARGET_ASM_SELECT_SECTION 74#define TARGET_ASM_SELECT_SECTION default_select_section 75#endif 76 77#ifndef TARGET_ASM_UNIQUE_SECTION 78#define TARGET_ASM_UNIQUE_SECTION default_unique_section 79#endif 80 81#ifndef TARGET_ASM_SELECT_RTX_SECTION 82#define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section 83#endif 84 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 88# else 89# ifdef TARGET_ASM_NAMED_SECTION 90# define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor 91# else 92# define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor 93# endif 94# endif 95#endif 96 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 100# else 101# ifdef TARGET_ASM_NAMED_SECTION 102# define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor 103# else 104# define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor 105# endif 106# endif 107#endif 108 109#define TARGET_ASM_OUTPUT_MI_THUNK NULL 110#define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false 111 112#if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR) 113#define TARGET_HAVE_CTORS_DTORS true 114#else 115#define TARGET_HAVE_CTORS_DTORS false 116#define TARGET_ASM_CONSTRUCTOR NULL 117#define TARGET_ASM_DESTRUCTOR NULL 118#endif 119 120#ifdef TARGET_ASM_NAMED_SECTION 121#define TARGET_HAVE_NAMED_SECTIONS true 122#else 123#define TARGET_ASM_NAMED_SECTION default_no_named_section 124#define TARGET_HAVE_NAMED_SECTIONS false 125#endif 126 127#ifndef TARGET_HAVE_TLS 128#define TARGET_HAVE_TLS false 129#endif 130 131#ifndef TARGET_HAVE_SRODATA_SECTION 132#define TARGET_HAVE_SRODATA_SECTION false 133#endif 134 135#ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO 136#ifdef EH_FRAME_SECTION_NAME 137#define TARGET_TERMINATE_DW2_EH_FRAME_INFO false 138#else 139#define TARGET_TERMINATE_DW2_EH_FRAME_INFO true 140#endif 141#endif 142 143#define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null 144 145#ifndef TARGET_ASM_EXCEPTION_SECTION 146#define TARGET_ASM_EXCEPTION_SECTION default_exception_section 147#endif 148 149#ifndef TARGET_ASM_EH_FRAME_SECTION 150#define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section 151#endif 152 153#ifndef TARGET_ASM_FILE_START 154#define TARGET_ASM_FILE_START default_file_start 155#endif 156 157#ifndef TARGET_ASM_FILE_END 158#define TARGET_ASM_FILE_END hook_void_void 159#endif 160 161#ifndef TARGET_ASM_FILE_START_APP_OFF 162#define TARGET_ASM_FILE_START_APP_OFF false 163#endif 164 165#ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE 166#define TARGET_ASM_FILE_START_FILE_DIRECTIVE false 167#endif 168 169#ifndef TARGET_ASM_EXTERNAL_LIBCALL 170#define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall 171#endif 172 173#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} 178 179#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} 184 185#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} 211 212/* 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_REORDER 0 221#define TARGET_SCHED_REORDER2 0 222#define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0 223#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE 0 224#define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0 225#define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0 226#define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0 227#define TARGET_SCHED_DFA_POST_CYCLE_INSN 0 228#define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0 229#define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0 230#define TARGET_SCHED_DFA_NEW_CYCLE 0 231#define TARGET_SCHED_INIT_DFA_BUBBLES 0 232#define TARGET_SCHED_DFA_BUBBLE 0 233#define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0 234 235#define TARGET_SCHED \ 236 {TARGET_SCHED_ADJUST_COST, \ 237 TARGET_SCHED_ADJUST_PRIORITY, \ 238 TARGET_SCHED_ISSUE_RATE, \ 239 TARGET_SCHED_VARIABLE_ISSUE, \ 240 TARGET_SCHED_INIT, \ 241 TARGET_SCHED_FINISH, \ 242 TARGET_SCHED_REORDER, \ 243 TARGET_SCHED_REORDER2, \ 244 TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK, \ 245 TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE, \ 246 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN, \ 247 TARGET_SCHED_DFA_PRE_CYCLE_INSN, \ 248 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN, \ 249 TARGET_SCHED_DFA_POST_CYCLE_INSN, \ 250 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD, \ 251 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD, \ 252 TARGET_SCHED_DFA_NEW_CYCLE, \ 253 TARGET_SCHED_INIT_DFA_BUBBLES, \ 254 TARGET_SCHED_DFA_BUBBLE, \ 255 TARGET_SCHED_IS_COSTLY_DEPENDENCE} 256 257/* In tree.c. */ 258#define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes 259#define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes 260#define TARGET_ATTRIBUTE_TABLE NULL 261 262/* In cse.c. */ 263#define TARGET_ADDRESS_COST default_address_cost 264 265/* In builtins.c. */ 266#define TARGET_INIT_BUILTINS hook_void_void 267#define TARGET_EXPAND_BUILTIN default_expand_builtin 268 269/* In varasm.c. */ 270#ifndef TARGET_SECTION_TYPE_FLAGS 271#define TARGET_SECTION_TYPE_FLAGS default_section_type_flags 272#endif 273 274#ifndef TARGET_STRIP_NAME_ENCODING 275#define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding 276#endif 277 278#ifndef TARGET_BINDS_LOCAL_P 279#define TARGET_BINDS_LOCAL_P default_binds_local_p 280#endif 281 282#ifndef TARGET_VALID_POINTER_MODE 283#define TARGET_VALID_POINTER_MODE default_valid_pointer_mode 284#endif 285 286#ifndef TARGET_VECTOR_OPAQUE_P 287#define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false 288#endif 289 290/* In hook.c. */ 291#define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false 292#define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs 293#define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false 294#define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false 295#define TARGET_CANNOT_COPY_INSN_P NULL 296#define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity 297#define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false 298#define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1 299#define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree 300#define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr 301#define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false 302#define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false 303#define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false 304#define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null 305 306#ifndef TARGET_INIT_LIBFUNCS 307#define TARGET_INIT_LIBFUNCS hook_void_void 308#endif 309 310#ifndef TARGET_IN_SMALL_DATA_P 311#define TARGET_IN_SMALL_DATA_P hook_bool_tree_false 312#endif 313 314#ifndef TARGET_ENCODE_SECTION_INFO 315#define TARGET_ENCODE_SECTION_INFO default_encode_section_info 316#endif 317 318#define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false 319 320#define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible 321 322#define TARGET_MACHINE_DEPENDENT_REORG 0 323 324#define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list 325 326#define TARGET_GET_PCH_VALIDITY default_get_pch_validity 327#define TARGET_PCH_VALID_P default_pch_valid_p 328 329#define TARGET_PROMOTE_FUNCTION_ARGS default_promote_function_args 330#define TARGET_PROMOTE_FUNCTION_RETURN default_promote_function_return 331#define TARGET_PROMOTE_PROTOTYPES default_promote_prototypes 332 333#define TARGET_STRUCT_VALUE_RTX default_struct_value_rtx 334#define TARGET_RETURN_IN_MEMORY default_return_in_memory 335#define TARGET_RETURN_IN_MSB hook_bool_tree_false 336 337#define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs 338#define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs 339#define TARGET_STRICT_ARGUMENT_NAMING default_strict_argument_naming 340#define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \ 341 default_pretend_outgoing_varargs_named 342#define TARGET_SPLIT_COMPLEX_ARG NULL 343 344#define TARGET_CALLS { \ 345 TARGET_PROMOTE_FUNCTION_ARGS, \ 346 TARGET_PROMOTE_FUNCTION_RETURN, \ 347 TARGET_PROMOTE_PROTOTYPES, \ 348 TARGET_STRUCT_VALUE_RTX, \ 349 TARGET_RETURN_IN_MEMORY, \ 350 TARGET_RETURN_IN_MSB, \ 351 TARGET_EXPAND_BUILTIN_SAVEREGS, \ 352 TARGET_SETUP_INCOMING_VARARGS, \ 353 TARGET_STRICT_ARGUMENT_NAMING, \ 354 TARGET_PRETEND_OUTGOING_VARARGS_NAMED, \ 355 TARGET_SPLIT_COMPLEX_ARG, \ 356 } 357 358/* The whole shebang. */ 359#define TARGET_INITIALIZER \ 360{ \ 361 TARGET_ASM_OUT, \ 362 TARGET_SCHED, \ 363 TARGET_MERGE_DECL_ATTRIBUTES, \ 364 TARGET_MERGE_TYPE_ATTRIBUTES, \ 365 TARGET_ATTRIBUTE_TABLE, \ 366 TARGET_COMP_TYPE_ATTRIBUTES, \ 367 TARGET_SET_DEFAULT_TYPE_ATTRIBUTES, \ 368 TARGET_INSERT_ATTRIBUTES, \ 369 TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P, \ 370 TARGET_MS_BITFIELD_LAYOUT_P, \ 371 TARGET_INIT_BUILTINS, \ 372 TARGET_EXPAND_BUILTIN, \ 373 TARGET_MANGLE_FUNDAMENTAL_TYPE, \ 374 TARGET_INIT_LIBFUNCS, \ 375 TARGET_SECTION_TYPE_FLAGS, \ 376 TARGET_CANNOT_MODIFY_JUMPS_P, \ 377 TARGET_BRANCH_TARGET_REGISTER_CLASS, \ 378 TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED, \ 379 TARGET_CANNOT_FORCE_CONST_MEM, \ 380 TARGET_CANNOT_COPY_INSN_P, \ 381 TARGET_DELEGITIMIZE_ADDRESS, \ 382 TARGET_FUNCTION_OK_FOR_SIBCALL, \ 383 TARGET_IN_SMALL_DATA_P, \ 384 TARGET_BINDS_LOCAL_P, \ 385 TARGET_ENCODE_SECTION_INFO, \ 386 TARGET_STRIP_NAME_ENCODING, \ 387 TARGET_VALID_POINTER_MODE, \ 388 TARGET_VECTOR_OPAQUE_P, \ 389 TARGET_RTX_COSTS, \ 390 TARGET_ADDRESS_COST, \ 391 TARGET_DWARF_REGISTER_SPAN, \ 392 TARGET_FIXED_CONDITION_CODE_REGS, \ 393 TARGET_CC_MODES_COMPATIBLE, \ 394 TARGET_MACHINE_DEPENDENT_REORG, \ 395 TARGET_BUILD_BUILTIN_VA_LIST, \ 396 TARGET_GET_PCH_VALIDITY, \ 397 TARGET_PCH_VALID_P, \ 398 TARGET_CALLS, \ 399 TARGET_HAVE_NAMED_SECTIONS, \ 400 TARGET_HAVE_CTORS_DTORS, \ 401 TARGET_HAVE_TLS, \ 402 TARGET_HAVE_SRODATA_SECTION, \ 403 TARGET_TERMINATE_DW2_EH_FRAME_INFO, \ 404 TARGET_ASM_FILE_START_APP_OFF, \ 405 TARGET_ASM_FILE_START_FILE_DIRECTIVE, \ 406} 407 408#include "hooks.h" 409#include "targhooks.h" 410