target-def.h revision 132718
155714Skris/* Default initializers for a generic GCC target. 2280304Sjkim Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. 3280304Sjkim 4280304SjkimThis program is free software; you can redistribute it and/or modify it 555714Skrisunder the terms of the GNU General Public License as published by the 655714SkrisFree Software Foundation; either version 2, or (at your option) any 755714Skrislater version. 855714Skris 955714SkrisThis program is distributed in the hope that it will be useful, 1055714Skrisbut WITHOUT ANY WARRANTY; without even the implied warranty of 1155714SkrisMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1255714SkrisGNU General Public License for more details. 1355714Skris 14280304SjkimYou should have received a copy of the GNU General Public License 1555714Skrisalong with this program; if not, write to the Free Software 1655714SkrisFoundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 1755714Skris 1855714Skris In other words, you are welcome to use, share and improve this program. 1955714Skris You are forbidden to forbid anyone else to use, share and improve 2055714Skris what you give them. Help stamp out software-hoarding! */ 2155714Skris 2255714Skris/* See target.h for a description of what this file contains and how to 2355714Skris use it. 2455714Skris 2555714Skris We want to have non-NULL default definitions of all hook functions, 2655714Skris even if they do nothing. */ 2755714Skris 2855714Skris/* Note that if one of these macros must be defined in an OS .h file 2955714Skris rather than the .c file, then we need to wrap the default 3055714Skris definition in a #ifndef, since files include tm.h before this one. */ 3155714Skris 3255714Skris/* Assembler output. */ 3355714Skris#define TARGET_ASM_OPEN_PAREN "(" 3455714Skris#define TARGET_ASM_CLOSE_PAREN ")" 3555714Skris#define TARGET_ASM_BYTE_OP "\t.byte\t" 3655714Skris 3755714Skris#define TARGET_ASM_ALIGNED_HI_OP "\t.short\t" 3855714Skris#define TARGET_ASM_ALIGNED_SI_OP "\t.long\t" 3955714Skris#define TARGET_ASM_ALIGNED_DI_OP NULL 4055714Skris#define TARGET_ASM_ALIGNED_TI_OP NULL 4155714Skris 4255714Skris/* GAS and SYSV4 assemblers accept these. */ 4355714Skris#if defined (OBJECT_FORMAT_ELF) 4455714Skris#define TARGET_ASM_UNALIGNED_HI_OP "\t.2byte\t" 4555714Skris#define TARGET_ASM_UNALIGNED_SI_OP "\t.4byte\t" 4655714Skris#define TARGET_ASM_UNALIGNED_DI_OP "\t.8byte\t" 4755714Skris#define TARGET_ASM_UNALIGNED_TI_OP NULL 4855714Skris#else 4955714Skris#define TARGET_ASM_UNALIGNED_HI_OP NULL 5055714Skris#define TARGET_ASM_UNALIGNED_SI_OP NULL 5155714Skris#define TARGET_ASM_UNALIGNED_DI_OP NULL 5255714Skris#define TARGET_ASM_UNALIGNED_TI_OP NULL 5355714Skris#endif /* OBJECT_FORMAT_ELF */ 5455714Skris 5555714Skris#define TARGET_ASM_INTEGER default_assemble_integer 5655714Skris 5755714Skris#ifndef TARGET_ASM_GLOBALIZE_LABEL 5855714Skris#define TARGET_ASM_GLOBALIZE_LABEL default_globalize_label 5955714Skris#endif 6055714Skris#ifndef TARGET_ASM_INTERNAL_LABEL 6155714Skris#define TARGET_ASM_INTERNAL_LABEL default_internal_label 6255714Skris#endif 6355714Skris 64109998Smarkm#ifndef TARGET_ASM_ASSEMBLE_VISIBILITY 65109998Smarkm#define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility 6655714Skris#endif 6755714Skris 6855714Skris#define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue 6955714Skris#define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue 70238405Sjkim#define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream 71280304Sjkim#define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream 72280304Sjkim 7355714Skris#ifndef TARGET_ASM_SELECT_SECTION 74238405Sjkim#define TARGET_ASM_SELECT_SECTION default_select_section 75160814Ssimon#endif 76280304Sjkim 7755714Skris#ifndef TARGET_ASM_UNIQUE_SECTION 78280304Sjkim#define TARGET_ASM_UNIQUE_SECTION default_unique_section 79280304Sjkim#endif 8055714Skris 8155714Skris#ifndef TARGET_ASM_SELECT_RTX_SECTION 8255714Skris#define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section 83280304Sjkim#endif 84280304Sjkim 8568651Skris#if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2) 8655714Skris# ifdef CTORS_SECTION_ASM_OP 8755714Skris# define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor 88238405Sjkim# else 89280304Sjkim# ifdef TARGET_ASM_NAMED_SECTION 9055714Skris# define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor 91280304Sjkim# else 92280304Sjkim# define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor 93280304Sjkim# endif 94280304Sjkim# endif 95280304Sjkim#endif 96280304Sjkim 97280304Sjkim#if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2) 98280304Sjkim# ifdef DTORS_SECTION_ASM_OP 99280304Sjkim# define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor 100280304Sjkim# else 101280304Sjkim# ifdef TARGET_ASM_NAMED_SECTION 102280304Sjkim# define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor 103280304Sjkim# else 104280304Sjkim# define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor 105280304Sjkim# endif 106280304Sjkim# endif 107280304Sjkim#endif 108280304Sjkim 109280304Sjkim#define TARGET_ASM_OUTPUT_MI_THUNK NULL 11055714Skris#define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false 11155714Skris 11255714Skris#if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR) 11355714Skris#define TARGET_HAVE_CTORS_DTORS true 114160814Ssimon#else 11555714Skris#define TARGET_HAVE_CTORS_DTORS false 116280304Sjkim#define TARGET_ASM_CONSTRUCTOR NULL 117280304Sjkim#define TARGET_ASM_DESTRUCTOR NULL 11855714Skris#endif 119280304Sjkim 120280304Sjkim#ifdef TARGET_ASM_NAMED_SECTION 121280304Sjkim#define TARGET_HAVE_NAMED_SECTIONS true 122280304Sjkim#else 12355714Skris#define TARGET_ASM_NAMED_SECTION default_no_named_section 12455714Skris#define TARGET_HAVE_NAMED_SECTIONS false 12555714Skris#endif 12655714Skris 127160814Ssimon#ifndef TARGET_HAVE_TLS 12855714Skris#define TARGET_HAVE_TLS false 129280304Sjkim#endif 130280304Sjkim 13155714Skris#ifndef TARGET_HAVE_SRODATA_SECTION 132280304Sjkim#define TARGET_HAVE_SRODATA_SECTION false 133280304Sjkim#endif 134280304Sjkim 135280304Sjkim#ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO 136280304Sjkim#ifdef EH_FRAME_SECTION_NAME 137280304Sjkim#define TARGET_TERMINATE_DW2_EH_FRAME_INFO false 138280304Sjkim#else 139280304Sjkim#define TARGET_TERMINATE_DW2_EH_FRAME_INFO true 140280304Sjkim#endif 141280304Sjkim#endif 142280304Sjkim 143280304Sjkim#define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null 144280304Sjkim 145280304Sjkim#ifndef TARGET_ASM_EXCEPTION_SECTION 146280304Sjkim#define TARGET_ASM_EXCEPTION_SECTION default_exception_section 147280304Sjkim#endif 148280304Sjkim 149280304Sjkim#ifndef TARGET_ASM_EH_FRAME_SECTION 150280304Sjkim#define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section 151280304Sjkim#endif 152280304Sjkim 153280304Sjkim#ifndef TARGET_ASM_FILE_START 154280304Sjkim#define TARGET_ASM_FILE_START default_file_start 155280304Sjkim#endif 156280304Sjkim 157280304Sjkim#ifndef TARGET_ASM_FILE_END 158280304Sjkim#define TARGET_ASM_FILE_END hook_void_void 159280304Sjkim#endif 16055714Skris 16155714Skris#ifndef TARGET_ASM_FILE_START_APP_OFF 162109998Smarkm#define TARGET_ASM_FILE_START_APP_OFF false 163109998Smarkm#endif 164109998Smarkm 165109998Smarkm#ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE 166109998Smarkm#define TARGET_ASM_FILE_START_FILE_DIRECTIVE false 167109998Smarkm#endif 168280304Sjkim 169109998Smarkm#ifndef TARGET_ASM_EXTERNAL_LIBCALL 170280304Sjkim#define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall 171280304Sjkim#endif 172280304Sjkim 173280304Sjkim#define TARGET_ASM_ALIGNED_INT_OP \ 174280304Sjkim {TARGET_ASM_ALIGNED_HI_OP, \ 175280304Sjkim TARGET_ASM_ALIGNED_SI_OP, \ 176280304Sjkim TARGET_ASM_ALIGNED_DI_OP, \ 177280304Sjkim TARGET_ASM_ALIGNED_TI_OP} 178280304Sjkim 179109998Smarkm#define TARGET_ASM_UNALIGNED_INT_OP \ 180280304Sjkim {TARGET_ASM_UNALIGNED_HI_OP, \ 181280304Sjkim TARGET_ASM_UNALIGNED_SI_OP, \ 182280304Sjkim TARGET_ASM_UNALIGNED_DI_OP, \ 183280304Sjkim TARGET_ASM_UNALIGNED_TI_OP} 184280304Sjkim 185280304Sjkim#define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN, \ 186280304Sjkim TARGET_ASM_CLOSE_PAREN, \ 187280304Sjkim TARGET_ASM_BYTE_OP, \ 188280304Sjkim TARGET_ASM_ALIGNED_INT_OP, \ 189280304Sjkim TARGET_ASM_UNALIGNED_INT_OP, \ 190280304Sjkim TARGET_ASM_INTEGER, \ 191280304Sjkim TARGET_ASM_GLOBALIZE_LABEL, \ 192280304Sjkim TARGET_ASM_INTERNAL_LABEL, \ 193280304Sjkim TARGET_ASM_ASSEMBLE_VISIBILITY, \ 194109998Smarkm TARGET_ASM_FUNCTION_PROLOGUE, \ 195109998Smarkm TARGET_ASM_FUNCTION_END_PROLOGUE, \ 196109998Smarkm TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, \ 197109998Smarkm TARGET_ASM_FUNCTION_EPILOGUE, \ 198109998Smarkm TARGET_ASM_NAMED_SECTION, \ 199109998Smarkm TARGET_ASM_EXCEPTION_SECTION, \ 200280304Sjkim TARGET_ASM_EH_FRAME_SECTION, \ 201280304Sjkim TARGET_ASM_SELECT_SECTION, \ 202109998Smarkm TARGET_ASM_SELECT_RTX_SECTION, \ 203280304Sjkim TARGET_ASM_UNIQUE_SECTION, \ 204280304Sjkim TARGET_ASM_CONSTRUCTOR, \ 205280304Sjkim TARGET_ASM_DESTRUCTOR, \ 206280304Sjkim TARGET_ASM_OUTPUT_MI_THUNK, \ 207109998Smarkm 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 304 305#ifndef TARGET_INIT_LIBFUNCS 306#define TARGET_INIT_LIBFUNCS hook_void_void 307#endif 308 309#ifndef TARGET_IN_SMALL_DATA_P 310#define TARGET_IN_SMALL_DATA_P hook_bool_tree_false 311#endif 312 313#ifndef TARGET_ENCODE_SECTION_INFO 314#define TARGET_ENCODE_SECTION_INFO default_encode_section_info 315#endif 316 317#define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false 318 319#define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible 320 321#define TARGET_MACHINE_DEPENDENT_REORG 0 322 323#define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list 324 325#define TARGET_GET_PCH_VALIDITY default_get_pch_validity 326#define TARGET_PCH_VALID_P default_pch_valid_p 327 328#define TARGET_PROMOTE_FUNCTION_ARGS default_promote_function_args 329#define TARGET_PROMOTE_FUNCTION_RETURN default_promote_function_return 330#define TARGET_PROMOTE_PROTOTYPES default_promote_prototypes 331 332#define TARGET_STRUCT_VALUE_RTX default_struct_value_rtx 333#define TARGET_RETURN_IN_MEMORY default_return_in_memory 334#define TARGET_RETURN_IN_MSB hook_bool_tree_false 335 336#define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs 337#define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs 338#define TARGET_STRICT_ARGUMENT_NAMING default_strict_argument_naming 339#define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \ 340 default_pretend_outgoing_varargs_named 341#define TARGET_SPLIT_COMPLEX_ARG NULL 342 343#define TARGET_CALLS { \ 344 TARGET_PROMOTE_FUNCTION_ARGS, \ 345 TARGET_PROMOTE_FUNCTION_RETURN, \ 346 TARGET_PROMOTE_PROTOTYPES, \ 347 TARGET_STRUCT_VALUE_RTX, \ 348 TARGET_RETURN_IN_MEMORY, \ 349 TARGET_RETURN_IN_MSB, \ 350 TARGET_EXPAND_BUILTIN_SAVEREGS, \ 351 TARGET_SETUP_INCOMING_VARARGS, \ 352 TARGET_STRICT_ARGUMENT_NAMING, \ 353 TARGET_PRETEND_OUTGOING_VARARGS_NAMED, \ 354 TARGET_SPLIT_COMPLEX_ARG, \ 355 } 356 357/* The whole shebang. */ 358#define TARGET_INITIALIZER \ 359{ \ 360 TARGET_ASM_OUT, \ 361 TARGET_SCHED, \ 362 TARGET_MERGE_DECL_ATTRIBUTES, \ 363 TARGET_MERGE_TYPE_ATTRIBUTES, \ 364 TARGET_ATTRIBUTE_TABLE, \ 365 TARGET_COMP_TYPE_ATTRIBUTES, \ 366 TARGET_SET_DEFAULT_TYPE_ATTRIBUTES, \ 367 TARGET_INSERT_ATTRIBUTES, \ 368 TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P, \ 369 TARGET_MS_BITFIELD_LAYOUT_P, \ 370 TARGET_INIT_BUILTINS, \ 371 TARGET_EXPAND_BUILTIN, \ 372 TARGET_INIT_LIBFUNCS, \ 373 TARGET_SECTION_TYPE_FLAGS, \ 374 TARGET_CANNOT_MODIFY_JUMPS_P, \ 375 TARGET_BRANCH_TARGET_REGISTER_CLASS, \ 376 TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED, \ 377 TARGET_CANNOT_FORCE_CONST_MEM, \ 378 TARGET_CANNOT_COPY_INSN_P, \ 379 TARGET_DELEGITIMIZE_ADDRESS, \ 380 TARGET_FUNCTION_OK_FOR_SIBCALL, \ 381 TARGET_IN_SMALL_DATA_P, \ 382 TARGET_BINDS_LOCAL_P, \ 383 TARGET_ENCODE_SECTION_INFO, \ 384 TARGET_STRIP_NAME_ENCODING, \ 385 TARGET_VALID_POINTER_MODE, \ 386 TARGET_VECTOR_OPAQUE_P, \ 387 TARGET_RTX_COSTS, \ 388 TARGET_ADDRESS_COST, \ 389 TARGET_DWARF_REGISTER_SPAN, \ 390 TARGET_FIXED_CONDITION_CODE_REGS, \ 391 TARGET_CC_MODES_COMPATIBLE, \ 392 TARGET_MACHINE_DEPENDENT_REORG, \ 393 TARGET_BUILD_BUILTIN_VA_LIST, \ 394 TARGET_GET_PCH_VALIDITY, \ 395 TARGET_PCH_VALID_P, \ 396 TARGET_CALLS, \ 397 TARGET_HAVE_NAMED_SECTIONS, \ 398 TARGET_HAVE_CTORS_DTORS, \ 399 TARGET_HAVE_TLS, \ 400 TARGET_HAVE_SRODATA_SECTION, \ 401 TARGET_TERMINATE_DW2_EH_FRAME_INFO, \ 402 TARGET_ASM_FILE_START_APP_OFF, \ 403 TARGET_ASM_FILE_START_FILE_DIRECTIVE, \ 404} 405 406#include "hooks.h" 407#include "targhooks.h" 408