1 # Makefile.in 2 3 # Copyright (C) 2005-2024 Free Software Foundation, Inc. 4 # 5 # This file is part of GCC. 6 # 7 # GCC is free software; you can redistribute it and/or modify it under the 8 # terms of the GNU Library General Public License as published by the Free 9 # Software Foundation; either version 3 of the License, or (at your option) 10 # any later version. 11 # 12 # GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 # FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 # more details. 16 # 17 # You should have received a copy of the GNU General Public License along 18 # with GCC; see the file COPYING3. If not see 19 # <http://www.gnu.org/licenses/>. 20 # 21 22 libgcc_topdir = @libgcc_topdir@ 23 host_subdir = @host_subdir@ 24 25 gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc 26 27 srcdir = @srcdir@ 28 29 prefix = @prefix@ 30 31 exec_prefix = @exec_prefix@ 32 libdir = @libdir@ 33 shlib_slibdir = @slibdir@ 34 35 SHELL = @SHELL@ 36 37 cpu_type = @cpu_type@ 38 enable_shared = @enable_shared@ 39 enable_gcov = @enable_gcov@ 40 double_type_size = @double_type_size@ 41 long_double_type_size = @long_double_type_size@ 42 decimal_float = @decimal_float@ 43 enable_vtable_verify = @enable_vtable_verify@ 44 enable_decimal_float = @enable_decimal_float@ 45 fixed_point = @fixed_point@ 46 with_aix_soname = @with_aix_soname@ 47 solaris_ld_v2_maps = @solaris_ld_v2_maps@ 48 enable_execute_stack = @enable_execute_stack@ 49 unwind_header = @unwind_header@ 50 md_unwind_header = @md_unwind_header@ 51 sfp_machine_header = @sfp_machine_header@ 52 thread_header = @thread_header@ 53 54 host_noncanonical = @host_noncanonical@ 55 real_host_noncanonical = @real_host_noncanonical@ 56 target_noncanonical = @target_noncanonical@ 57 58 # List of extra object files that should be compiled for this target machine. 59 # The rules for compiling them should be in the t-* file for the machine. 60 EXTRA_PARTS = @extra_parts@ 61 62 FORCE_EXPLICIT_EH_REGISTRY = @force_explicit_eh_registry@ 63 64 extra-parts = libgcc-extra-parts 65 66 # Multilib support variables. 67 MULTISRCTOP = 68 MULTIBUILDTOP = 69 MULTIDIRS = 70 MULTISUBDIR = 71 MULTIDO = true 72 MULTICLEAN = true 73 74 INSTALL = @INSTALL@ 75 INSTALL_PROGRAM = @INSTALL_PROGRAM@ 76 INSTALL_DATA = @INSTALL_DATA@ 77 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs 78 INSTALL_PARTS = $(EXTRA_PARTS) 79 80 objext = .o 81 82 AR = @AR@ 83 AR_FLAGS = rc 84 85 CC = @CC@ 86 CFLAGS = @CFLAGS@ 87 RANLIB = @RANLIB@ 88 LN_S = @LN_S@ 89 90 PWD_COMMAND = $${PWDCMD-pwd} 91 92 # Flags to pass to a recursive make. 93 FLAGS_TO_PASS = \ 94 "AR=$(AR)" \ 95 "AR_FLAGS=$(AR_FLAGS)" \ 96 "CC=$(CC)" \ 97 "CFLAGS=$(CFLAGS)" \ 98 "DESTDIR=$(DESTDIR)" \ 99 "EXTRA_OFILES=$(EXTRA_OFILES)" \ 100 "HDEFINES=$(HDEFINES)" \ 101 "INSTALL=$(INSTALL)" \ 102 "INSTALL_DATA=$(INSTALL_DATA)" \ 103 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \ 104 "LDFLAGS=$(LDFLAGS)" \ 105 "LOADLIBES=$(LOADLIBES)" \ 106 "RANLIB=$(RANLIB)" \ 107 "SHELL=$(SHELL)" \ 108 "prefix=$(prefix)" \ 109 "exec_prefix=$(exec_prefix)" \ 110 "libdir=$(libdir)" \ 111 "libsubdir=$(libsubdir)" \ 112 "tooldir=$(tooldir)" 113 114 # Dependencies for "all" are set later in the file. 115 all: all-multi 116 # Now that we have built all the objects, we need to copy 117 # them back to the GCC directory. Too many things (other 118 # in-tree libraries, and DejaGNU) know about the layout 119 # of the build tree, for now. 120 $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \ 121 slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR) 122 123 .PHONY: all-multi 124 all-multi: 125 # If this is the top-level multilib, build all the other 126 # multilibs. 127 @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all 128 129 .PHONY: check installcheck 130 check: 131 installcheck: 132 133 .PHONY: all clean 134 135 clean: 136 -rm -f libgcc_tm.h libgcc.map 137 -rm -f libgcc_tm.stamp stmp-ldirs 138 -rm -f *$(objext) 139 -rm -f *.dep 140 -rm -f *.a 141 -rm -f libunwind$(SHLIB_EXT) 142 -rm -f libgcc_s* 143 @$(MULTICLEAN) multi-clean DO=clean 144 distclean: clean 145 @$(MULTICLEAN) multi-clean DO=distclean 146 -rm -f auto-target.h 147 -rm -f stamp-h 148 -rm -f *~ Makefile config.cache config.status multilib.out 149 -rm -f config.log 150 maintainer-clean realclean: distclean 151 152 Makefile: $(srcdir)/Makefile.in config.status 153 CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status 154 155 # Depending on Makefile makes sure that config.status has been re-run 156 # if needed. This prevents problems with parallel builds. 157 auto-target.h: stamp-h ; @true 158 stamp-h: $(srcdir)/config.in config.status Makefile 159 CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status 160 161 config.status: $(srcdir)/configure $(srcdir)/config.host 162 $(SHELL) ./config.status --recheck 163 164 AUTOCONF = autoconf 165 configure_deps = \ 166 $(srcdir)/../config/enable.m4 \ 167 $(srcdir)/../config/tls.m4 \ 168 $(srcdir)/../config/toolexeclibdir.m4 \ 169 $(srcdir)/../config/acx.m4 \ 170 $(srcdir)/../config/no-executables.m4 \ 171 $(srcdir)/../config/lib-ld.m4 \ 172 $(srcdir)/../config/override.m4 \ 173 $(srcdir)/../config/picflag.m4 \ 174 $(srcdir)/../config/dfp.m4 \ 175 $(srcdir)/../config/unwind_ipinfo.m4 \ 176 $(srcdir)/../config/gthr.m4 \ 177 $(srcdir)/../config/sjlj.m4 \ 178 $(srcdir)/../config/cet.m4 179 180 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps) 181 cd $(srcdir) && $(AUTOCONF) 182 183 include $(gcc_objdir)/libgcc.mvars 184 185 # Flags to pass to recursive makes. 186 187 AR_FOR_TARGET = $(AR) 188 AR_FLAGS_FOR_TARGET = 189 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc 190 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x 191 AWK = @AWK@ 192 GCC_FOR_TARGET = $(CC) 193 LIPO = @LIPO@ 194 LIPO_FOR_TARGET = $(LIPO) 195 MACHMODE_H = machmode.h mode-classes.def insn-modes.h 196 NM = @NM@ 197 NM_FOR_TARGET = $(NM) 198 RANLIB_FOR_TARGET = $(RANLIB) 199 STRIP = @STRIP@ 200 STRIP_FOR_TARGET = $(STRIP) 201 202 # Directory in which the compiler finds libraries etc. 203 libsubdir = $(libdir)/gcc/$(real_host_noncanonical)/$(version)@accel_dir_suffix@ 204 # Used to install the shared libgcc. 205 slibdir = @slibdir@ 206 # Maybe used for DLLs on Windows targets. 207 toolexecdir = @toolexecdir@ 208 toolexeclibdir = @toolexeclibdir@ 209 210 export AR_FOR_TARGET 211 export AR_CREATE_FOR_TARGET 212 export AR_FLAGS_FOR_TARGET 213 export AR_EXTRACT_FOR_TARGET 214 export AWK 215 export DESTDIR 216 export GCC_FOR_TARGET 217 export INCLUDES 218 export INSTALL_DATA 219 export LIB1ASMSRC 220 export LIBGCC2_CFLAGS 221 export LIPO_FOR_TARGET 222 export MACHMODE_H 223 export NM_FOR_TARGET 224 export STRIP_FOR_TARGET 225 export RANLIB_FOR_TARGET 226 export libsubdir 227 export slibdir 228 export toolexecdir 229 export toolexeclibdir 230 231 version := $(shell @get_gcc_base_ver@ $(srcdir)/../gcc/BASE-VER) 232 233 ifeq ($(decimal_float),yes) 234 ifeq ($(enable_decimal_float),bid) 235 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT 236 else 237 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \ 238 -I$(srcdir)/../libdecnumber 239 endif 240 else 241 DECNUMINC = 242 endif 243 244 # Options to use when compiling libgcc2.a. 245 # 246 LIBGCC2_DEBUG_CFLAGS = -g 247 LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \ 248 $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \ 249 -fbuilding-libgcc -fno-stack-protector \ 250 $(INHIBIT_LIBC_CFLAGS) 251 252 # Additional options to use when compiling libgcc2.a. 253 # Some targets override this to -isystem include 254 LIBGCC2_INCLUDES = 255 256 # Additional target-dependent options for compiling libgcc2.a. 257 HOST_LIBGCC2_CFLAGS = 258 259 PICFLAG = @PICFLAG@ 260 261 CET_FLAGS = @CET_FLAGS@ 262 263 USE_TM_CLONE_REGISTRY = @use_tm_clone_registry@ 264 265 # Defined in libgcc2.c, included only in the static library. 266 LIB2FUNCS_ST = _eprintf __gcc_bcmp 267 268 # List of functions not to build from libgcc2.c. 269 LIB2FUNCS_EXCLUDE = 270 271 # List of extra C and assembler files to add to static and shared libgcc2. 272 # Assembler files should have names ending in `.S'. 273 LIB2ADD = 274 275 # List of extra C and assembler files to add to static libgcc2. 276 # Assembler files should have names ending in `.S'. 277 LIB2ADD_ST = 278 279 # Specify the directories to be searched for header files. 280 # Both . and srcdir are used, in that order, 281 # so that *config.h will be found in the compilation 282 # subdirectory rather than in the source directory. 283 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file 284 # currently being compiled, in both source trees, to be examined as well. 285 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \ 286 -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \ 287 -I$(srcdir)/../include $(DECNUMINC) 288 289 # Forcibly remove any profiling-related flags. There is no point 290 # in supporting profiled bootstrap in this library. 291 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS)) 292 293 # CFLAGS first is not perfect; normally setting CFLAGS should override any 294 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS 295 # will usually contain -g, so for the moment CFLAGS goes first. We must 296 # include CFLAGS - that's where multilib options live. 297 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \ 298 $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@ 299 300 # Options to use when compiling crtbegin/end. 301 CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \ 302 $(NO_PIE_CFLAGS) -finhibit-size-directive -fno-inline -fno-exceptions \ 303 -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \ 304 -fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \ 305 $(INHIBIT_LIBC_CFLAGS) $(USE_TM_CLONE_REGISTRY) 306 307 # Extra flags to use when compiling crt{begin,end}.o. 308 CRTSTUFF_T_CFLAGS = 309 310 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory) 311 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory) 312 313 MULTIOSSUBDIR := $(shell if test "$(MULTIOSDIR)" != .; then echo /$(MULTIOSDIR); fi) 314 inst_libdir = $(libsubdir)$(MULTISUBDIR) 315 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR) 316 317 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS) $(CFLAGS-$(<F)) 318 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep 319 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps) 320 gcc_s_compile = $(gcc_compile) -DSHARED 321 322 objects = $(filter %$(objext),$^) 323 324 # Collect any host-specific information from Makefile fragments. 325 326 LIBGCC_VER_GNU_PREFIX = __ 327 LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __ 328 LIBGCC_VER_SYMBOLS_PREFIX = 329 330 FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \ 331 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \ 332 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \ 333 _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf 334 335 DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \ 336 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \ 337 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \ 338 _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df 339 340 TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \ 341 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \ 342 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \ 343 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf 344 345 # Additional sources to handle exceptions; overridden by targets as needed. 346 LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \ 347 $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c 348 LIB2ADDEHSTATIC = $(LIB2ADDEH) 349 LIB2ADDEHSHARED = $(LIB2ADDEH) 350 351 # nm flags to list global symbols in libgcc object files. 352 SHLIB_NM_FLAGS = -pg 353 354 # Don't build libunwind by default. 355 LIBUNWIND = 356 SHLIBUNWIND_LINK = 357 SHLIBUNWIND_INSTALL = 358 359 360 # Create links to files specified in config.host. 361 LIBGCC_LINKS = enable-execute-stack.c unwind.h md-unwind-support.h \ 362 sfp-machine.h gthr-default.h 363 364 enable-execute-stack.c: $(srcdir)/$(enable_execute_stack) 365 -$(LN_S) $< $@ 366 unwind.h: $(srcdir)/$(unwind_header) 367 -$(LN_S) $< $@ 368 md-unwind-support.h: $(srcdir)/config/$(md_unwind_header) 369 -$(LN_S) $< $@ 370 sfp-machine.h: $(srcdir)/config/$(sfp_machine_header) 371 -$(LN_S) $< $@ 372 gthr-default.h: $(srcdir)/$(thread_header) 373 -$(LN_S) $< $@ 374 375 tmake_file = @tmake_file@ 376 -include $(tmake_file) 377 378 # Collect target defines and headers from config.host. 379 libgcc_tm_defines = @tm_defines@ 380 libgcc_tm_file = @tm_file@ 381 libgcc_tm.h: libgcc_tm.stamp; @true 382 libgcc_tm.stamp: 383 DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \ 384 $(srcdir)/mkheader.sh > tmp-libgcc_tm.h 385 $(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h 386 echo timestamp > $@ 387 388 # Only handle shared libraries if both: 389 # - the user requested them 390 # - we know how to build them 391 ifeq ($(SHLIB_LINK),) 392 enable_shared := no 393 endif 394 395 ifeq ($(enable_shared),yes) 396 iterator = $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items)) 397 398 install-shared = install-shared 399 400 ifneq ($(LIBUNWIND),) 401 install-libunwind = install-libunwind 402 endif 403 endif 404 405 # For -fvisibility=hidden. We need both a -fvisibility=hidden on 406 # the command line, and a #define to prevent libgcc2.h etc from 407 # overriding that with #pragmas. 408 vis_hide = @vis_hide@ 409 410 ifneq (,$(vis_hide)) 411 412 # If we have -fvisibility=hidden, then we need to generate hide 413 # lists for object files implemented in assembly. 414 ASM_HIDDEN_OP = @asm_hidden_op@ 415 416 define gen-hide-list 417 $(NM) -pg $< | \ 418 $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \ 419 && $$3 !~ /.*@.*/ \ 420 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T 421 mv -f $@T $@ 422 endef 423 else 424 gen-hide-list = echo > $@ 425 endif 426 427 ifneq ($(enable_shared),yes) 428 iterator = $(patsubst %,$(srcdir)/static-object.mk,$(iter-items)) 429 endif 430 431 LIB2ADD += enable-execute-stack.c 432 433 # Control Flow Redundancy hardening out-of-line checker. 434 LIB2ADD += $(srcdir)/hardcfr.c 435 436 # Stack scrubbing infrastructure. 437 @HAVE_STRUB_SUPPORT@LIB2ADD += $(srcdir)/strub.c 438 439 # While emutls.c has nothing to do with EH, it is in LIB2ADDEH* 440 # instead of LIB2ADD because that's the way to be sure on some targets 441 # (e.g. *-*-darwin*) only one copy of it is linked. 442 LIB2ADDEH += $(srcdir)/emutls.c 443 LIB2ADDEHSTATIC += $(srcdir)/emutls.c 444 LIB2ADDEHSHARED += $(srcdir)/emutls.c 445 446 # Library members defined in libgcc2.c. 447 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \ 448 _clear_cache _trampoline __main _absvsi2 \ 449 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \ 450 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \ 451 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \ 452 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \ 453 _mulhc3 _mulsc3 _muldc3 _mulxc3 _multc3 _divhc3 _divsc3 \ 454 _divdc3 _divxc3 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 \ 455 _clrsbdi2 _mulbitint3 456 457 # The floating-point conversion routines that involve a single-word integer. 458 # XX stands for the integer mode. 459 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf) 460 461 # Likewise double-word routines. 462 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \ 463 $(patsubst %,_fixuns%XX,sf df xf tf) \ 464 $(patsubst %,_floatXX%,sf df xf tf) \ 465 $(patsubst %,_floatunXX%,sf df xf tf) 466 467 ifeq ($(LIB2_SIDITI_CONV_FUNCS),) 468 lib2funcs += $(subst XX,si,$(swfloatfuncs)) 469 lib2funcs += $(subst XX,di,$(dwfloatfuncs)) 470 endif 471 472 # These might cause a divide overflow trap and so are compiled with 473 # unwinder info. 474 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _divmoddi4 \ 475 _udivdi3 _umoddi3 _udivmoddi4 _udiv_w_sdiv \ 476 _divmodbitint4 477 478 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are 479 # defined as optimized assembly code in LIB1ASMFUNCS or as C code 480 # in LIB2FUNCS_EXCLUDE. 481 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs)) 482 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \ 483 $(LIB2_DIVMOD_FUNCS)) 484 485 LIB2FUNCS_ST := $(filter-out $(LIB2FUNCS_EXCLUDE),$(LIB2FUNCS_ST)) 486 487 # Build "libgcc1" (assembly) components. 488 489 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS)) 490 $(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis 491 $(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis 492 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext) 493 $(gen-hide-list) 494 libgcc-objects += $(lib1asmfuncs-o) 495 496 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS)) 497 $(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC) 498 $(gcc_s_compile) -DL$* -xassembler-with-cpp -c $< 499 ifeq ($(enable_shared),yes) 500 501 libgcc-s-objects += $(lib1asmfuncs-s-o) 502 503 endif 504 505 # Build lib2funcs. For the static library also include LIB2FUNCS_ST. 506 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST)) 507 $(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c 508 $(gcc_compile) -DL$* -c $< $(vis_hide) 509 libgcc-objects += $(lib2funcs-o) 510 511 ifeq ($(enable_shared),yes) 512 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs)) 513 $(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c 514 $(gcc_s_compile) -DL$* -c $< 515 libgcc-s-objects += $(lib2funcs-s-o) 516 endif 517 518 ifneq ($(LIB2_SIDITI_CONV_FUNCS),) 519 # Build libgcc2.c for each conversion function, with a specific 520 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode 521 # functions are built with a wordsize of 4; the TImode functions are 522 # built with the same labels, but a wordsize of 8. 523 524 sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs))) 525 difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs))) 526 tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs))) 527 528 iter-items := $(sifuncs) $(difuncs) $(tifuncs) 529 iter-labels := $(sifuncs) $(difuncs) $(difuncs) 530 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs)) 531 532 -include $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items)) 533 534 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs)) 535 ifeq ($(enable_shared),yes) 536 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs)) 537 endif 538 endif 539 540 ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),) 541 # Provide default flags for compiling divmod functions, if they haven't been 542 # set already by a target-specific Makefile fragment. 543 LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions 544 endif 545 546 # Build LIB2_DIVMOD_FUNCS. 547 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS)) 548 $(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c 549 $(gcc_compile) -DL$* -c $< \ 550 $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide) 551 libgcc-objects += $(lib2-divmod-o) 552 553 ifeq ($(enable_shared),yes) 554 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS)) 555 $(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c 556 $(gcc_s_compile) -DL$* -c $< \ 557 $(LIB2_DIVMOD_EXCEPTION_FLAGS) 558 libgcc-s-objects += $(lib2-divmod-s-o) 559 endif 560 561 ifeq ($(TPBIT),) 562 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in. 563 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS)) 564 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS)) 565 endif 566 567 FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS)) 568 DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS)) 569 TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS)) 570 571 fpbit-src := $(srcdir)/fp-bit.c 572 573 # Build FPBIT. 574 ifneq ($(FPBIT),) 575 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS)) 576 $(fpbit-o): %$(objext): $(fpbit-src) 577 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide) 578 libgcc-objects += $(fpbit-o) 579 580 ifeq ($(enable_shared),yes) 581 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS)) 582 $(fpbit-s-o): %_s$(objext): $(fpbit-src) 583 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< 584 libgcc-s-objects += $(fpbit-s-o) 585 endif 586 endif 587 588 # Build DPBIT. 589 ifneq ($(DPBIT),) 590 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS)) 591 $(dpbit-o): %$(objext): $(fpbit-src) 592 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide) 593 libgcc-objects += $(dpbit-o) 594 595 ifeq ($(enable_shared),yes) 596 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS)) 597 $(dpbit-s-o): %_s$(objext): $(fpbit-src) 598 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< 599 libgcc-s-objects += $(dpbit-s-o) 600 endif 601 endif 602 603 # Build TPBIT. 604 ifneq ($(TPBIT),) 605 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS)) 606 $(tpbit-o): %$(objext): $(fpbit-src) 607 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide) 608 libgcc-objects += $(tpbit-o) 609 610 ifeq ($(enable_shared),yes) 611 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS)) 612 $(tpbit-s-o): %_s$(objext): $(fpbit-src) 613 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< 614 libgcc-s-objects += $(tpbit-s-o) 615 endif 616 endif 617 618 # Build decimal floating point support. 619 ifeq ($(decimal_float),yes) 620 621 # If $DFP_ENABLE is set, then we want all data type sizes. 622 ifneq ($(DFP_ENABLE),) 623 D32PBIT = 1 624 D64PBIT = 1 625 D128PBIT = 1 626 endif 627 628 dfp-filenames = 629 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),) 630 ifeq ($(enable_decimal_float),bid) 631 dfp-filenames += bid_decimal_globals bid_decimal_data \ 632 bid_binarydecimal bid_convert_data \ 633 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \ 634 bid128_noncomp bid128_fma bid_round bid_from_int \ 635 bid64_add bid128_add bid64_div bid128_div \ 636 bid64_mul bid128_mul bid64_compare bid128_compare \ 637 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \ 638 bid64_to_int32 bid64_to_int64 \ 639 bid64_to_uint32 bid64_to_uint64 \ 640 bid128_to_int32 bid128_to_int64 \ 641 bid128_to_uint32 bid128_to_uint64 642 else 643 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle 644 endif 645 endif 646 647 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames)) 648 ifeq ($(enable_decimal_float),bid) 649 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c 650 else 651 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c 652 endif 653 $(gcc_compile) -c $< 654 libgcc-objects += $(dfp-objects) 655 656 decbits-filenames = 657 ifneq ($(enable_decimal_float),bid) 658 ifneq ($(D32PBIT),) 659 decbits-filenames += decimal32 660 endif 661 662 ifneq ($(D64PBIT),) 663 decbits-filenames += decimal64 664 endif 665 666 ifneq ($(D128PBIT),) 667 decbits-filenames += decimal128 668 endif 669 endif 670 671 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames)) 672 ifeq ($(enable_decimal_float),bid) 673 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c 674 else 675 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c 676 endif 677 $(gcc_compile) -c $< 678 libgcc-objects += $(decbits-objects) 679 680 # Next build individual support functions. 681 D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \ 682 _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \ 683 _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \ 684 _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \ 685 _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \ 686 _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \ 687 _sd_to_dd _sd_to_td _unord_sd _conv_sd \ 688 _hf_to_sd _sd_to_hf 689 690 D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \ 691 _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \ 692 _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \ 693 _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \ 694 _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \ 695 _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \ 696 _dd_to_sd _dd_to_td _unord_dd _conv_dd \ 697 _hf_to_dd _dd_to_hf 698 699 D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \ 700 _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \ 701 _td_to_si _td_to_di _td_to_usi _td_to_udi \ 702 _si_to_td _di_to_td _usi_to_td _udi_to_td \ 703 _td_to_sf _td_to_df _td_to_xf _td_to_tf \ 704 _sf_to_td _df_to_td _xf_to_td _tf_to_td \ 705 _td_to_sd _td_to_dd _unord_td _conv_td \ 706 _hf_to_td _td_to_hf 707 708 ifeq ($(enable_decimal_float),bid) 709 ifneq ($(D32PBIT),) 710 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS)) 711 endif 712 713 ifneq ($(D64PBIT),) 714 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS)) 715 endif 716 717 ifneq ($(D128PBIT),) 718 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS)) 719 endif 720 endif 721 722 ifneq ($(D32PBIT),) 723 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS)) 724 ifeq ($(enable_decimal_float),bid) 725 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c 726 else 727 $(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c 728 endif 729 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $< 730 libgcc-objects += $(d32pbit-o) 731 endif 732 733 ifneq ($(D64PBIT),) 734 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS)) 735 ifeq ($(enable_decimal_float),bid) 736 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c 737 else 738 $(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c 739 endif 740 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $< 741 libgcc-objects += $(d64pbit-o) 742 endif 743 744 ifneq ($(D128PBIT),) 745 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS)) 746 ifeq ($(enable_decimal_float),bid) 747 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c 748 else 749 $(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c 750 endif 751 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $< 752 libgcc-objects += $(d128pbit-o) 753 endif 754 755 endif 756 757 ifeq ($(SYNC),yes) 758 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \ 759 sync_fetch_and_$(op) \ 760 sync_$(op)_and_fetch) \ 761 sync_bool_compare_and_swap \ 762 sync_val_compare_and_swap \ 763 sync_lock_test_and_set 764 765 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \ 766 $(foreach suffix, 1 2 4 8 16, \ 767 $(prefix)_$(suffix))) 768 769 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs)) 770 $(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c 771 $(gcc_compile) $(SYNC_CFLAGS) \ 772 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \ 773 -DSIZE=`echo "$*" | sed 's/.*_//'` \ 774 -c $< $(vis_hide) 775 libgcc-objects += $(libgcc-sync-size-funcs-o) 776 777 libgcc-sync-funcs := sync_synchronize 778 779 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs)) 780 $(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c 781 $(gcc_compile) $(SYNC_CFLAGS) \ 782 -DL$* \ 783 -c $< $(vis_hide) 784 libgcc-objects += $(libgcc-sync-funcs-o) 785 786 ifeq ($(enable_shared),yes) 787 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \ 788 $(libgcc-sync-size-funcs)) 789 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c 790 $(gcc_s_compile) $(SYNC_CFLAGS) \ 791 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \ 792 -DSIZE=`echo "$*" | sed 's/.*_//'` \ 793 -c $< 794 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o) 795 796 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs)) 797 $(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c 798 $(gcc_s_compile) $(SYNC_CFLAGS) \ 799 -DL$* \ 800 -c $< 801 libgcc-s-objects += $(libgcc-sync-funcs-s-o) 802 endif 803 endif 804 805 # Build fixed-point support. 806 ifeq ($(fixed_point),yes) 807 808 # Generate permutations of function name and mode 809 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels) 810 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs) 811 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes) 812 813 # Generate the rules for each arithmetic function 814 iter-items := $(fixed-funcs) 815 iter-labels := $(fixed-labels) 816 iter-from := $(fixed-modes) 817 iter-to := $(fixed-modes) 818 -include $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items)) 819 820 # Add arithmetic functions to list of objects to be built 821 libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs))) 822 ifeq ($(enable_shared),yes) 823 libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs))) 824 endif 825 826 # Convert from or to fractional 827 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs) 828 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels) 829 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from) 830 fixed-conv-to := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to) 831 832 # Generate the make rules for each conversion function 833 iter-items := $(fixed-conv-funcs) 834 iter-labels := $(fixed-conv-labels) 835 iter-from := $(fixed-conv-from) 836 iter-to := $(fixed-conv-to) 837 -include $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items)) 838 839 # Add conversion functions to list of objects to be built 840 libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs))) 841 ifeq ($(enable_shared),yes) 842 libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs))) 843 endif 844 845 endif 846 847 # Build LIB2ADD and LIB2ADD_ST. 848 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),) 849 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.) 850 endif 851 852 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD)))) 853 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST)))) 854 855 c_flags := 856 iter-items := $(LIB2ADD) $(LIB2ADD_ST) 857 -include $(iterator) 858 859 ifeq ($(enable_shared),yes) 860 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD)))) 861 endif 862 863 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have 864 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and 865 # LIB2ADDEHSHARED matter. (Usually all three are identical.) 866 867 c_flags := -fexceptions 868 869 ifeq ($(enable_shared),yes) 870 871 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC)))) 872 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED)))) 873 874 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED)) 875 -include $(iterator) 876 877 else 878 # Not shared. LIB2ADDEH are added to libgcc.a. 879 880 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH)))) 881 882 iter-items := $(LIB2ADDEH) 883 -include $(iterator) 884 885 endif 886 887 # Build LIBUNWIND. Use -fno-exceptions so that the unwind library does 888 # not generate calls to __gcc_personality_v0. 889 890 c_flags := -fno-exceptions 891 892 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND)))) 893 894 ifeq ($(enable_shared),yes) 895 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND)))) 896 endif 897 898 iter-items := $(LIBUNWIND) 899 -include $(iterator) 900 901 # Build libgcov components. 902 903 LIBGCOV_MERGE = _gcov_merge_add _gcov_merge_topn \ 904 _gcov_merge_ior _gcov_merge_time_profile 905 LIBGCOV_PROFILER = _gcov_interval_profiler \ 906 _gcov_interval_profiler_atomic \ 907 _gcov_pow2_profiler \ 908 _gcov_pow2_profiler_atomic \ 909 _gcov_topn_values_profiler \ 910 _gcov_topn_values_profiler_atomic \ 911 _gcov_average_profiler \ 912 _gcov_average_profiler_atomic \ 913 _gcov_ior_profiler \ 914 _gcov_ior_profiler_atomic \ 915 _gcov_indirect_call_profiler_v4 \ 916 _gcov_time_profiler 917 LIBGCOV_INTERFACE = _gcov_dump _gcov_fork \ 918 _gcov_execl _gcov_execlp \ 919 _gcov_execle _gcov_execv _gcov_execvp _gcov_execve _gcov_reset \ 920 _gcov_lock_unlock 921 LIBGCOV_DRIVER = _gcov _gcov_info_to_gcda 922 923 libgcov-merge-objects = $(patsubst %,%$(objext),$(LIBGCOV_MERGE)) 924 libgcov-profiler-objects = $(patsubst %,%$(objext),$(LIBGCOV_PROFILER)) 925 libgcov-interface-objects = $(patsubst %,%$(objext),$(LIBGCOV_INTERFACE)) 926 libgcov-driver-objects = $(patsubst %,%$(objext),$(LIBGCOV_DRIVER)) 927 libgcov-objects = $(libgcov-merge-objects) $(libgcov-profiler-objects) \ 928 $(libgcov-interface-objects) $(libgcov-driver-objects) 929 930 $(libgcov-merge-objects): %$(objext): $(srcdir)/libgcov-merge.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 931 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-merge.c 932 $(libgcov-profiler-objects): %$(objext): $(srcdir)/libgcov-profiler.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 933 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-profiler.c 934 $(libgcov-interface-objects): %$(objext): $(srcdir)/libgcov-interface.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 935 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-interface.c 936 $(libgcov-driver-objects): %$(objext): $(srcdir)/libgcov-driver.c \ 937 $(srcdir)/libgcov-driver-system.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 938 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-driver.c 939 940 941 # Static libraries. 942 libgcc.a: $(libgcc-objects) 943 libgcov.a: $(libgcov-objects) 944 libunwind.a: $(libunwind-objects) 945 libgcc_eh.a: $(libgcc-eh-objects) 946 947 libgcc.a libgcov.a libunwind.a libgcc_eh.a: 948 -rm -f $@ 949 950 objects="$(objects)"; \ 951 if test -z "$$objects"; then \ 952 echo 'int __libgcc_eh_dummy;' > eh_dummy.c; \ 953 $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c \ 954 -o eh_dummy$(objext); \ 955 objects=eh_dummy$(objext); \ 956 fi; \ 957 $(AR_CREATE_FOR_TARGET) $@ $$objects 958 959 $(RANLIB) $@ 960 961 all: libgcc.a 962 ifeq ($(enable_gcov),yes) 963 all: libgcov.a 964 endif 965 966 ifneq ($(LIBUNWIND),) 967 all: libunwind.a 968 endif 969 970 ifeq ($(enable_shared),yes) 971 all: libgcc_eh.a libgcc_s$(SHLIB_EXT) 972 ifneq ($(LIBUNWIND),) 973 all: libunwind$(SHLIB_EXT) 974 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT) 975 endif 976 977 # Map-file generation. 978 ifneq ($(SHLIB_MKMAP),) 979 libgcc.map.in: $(SHLIB_MAPFILES) 980 { cat $(SHLIB_MAPFILES) \ 981 | sed -e '/^[ ]*#/d' \ 982 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \ 983 | $(gcc_compile_bare) -E -xassembler-with-cpp -; \ 984 } > tmp-$@ 985 mv tmp-$@ $@ 986 libgcc.map: $(SHLIB_MKMAP) libgcc.map.in $(libgcc-s-objects) 987 { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \ 988 cat libgcc.map.in; \ 989 } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@ 990 mv tmp-$@ $@ 991 libgcc_s$(SHLIB_EXT): libgcc.map 992 mapfile = libgcc.map 993 endif 994 995 libgcc-std.ver: $(srcdir)/libgcc-std.ver.in 996 sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \ 997 -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@ 998 999 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a 1000 # @multilib_flags@ is still needed because this may use 1001 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly. 1002 # @multilib_dir@ is not really necessary, but sometimes it has 1003 # more uses than just a directory name. 1004 $(mkinstalldirs) $(MULTIDIR) 1005 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \ 1006 @multilib_dir@,$(MULTIDIR),$(subst \ 1007 @shlib_objs@,$(objects) libgcc.a,$(subst \ 1008 @shlib_base_name@,libgcc_s,$(subst \ 1009 @shlib_map_file@,$(mapfile),$(subst \ 1010 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \ 1011 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK)))))))) 1012 1013 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts) 1014 # @multilib_flags@ is still needed because this may use 1015 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly. 1016 # @multilib_dir@ is not really necessary, but sometimes it has 1017 # more uses than just a directory name. 1018 $(mkinstalldirs) $(MULTIDIR) 1019 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \ 1020 @multilib_dir@,$(MULTIDIR),$(subst \ 1021 @shlib_objs@,$(objects),$(subst \ 1022 @shlib_base_name@,libunwind,$(subst \ 1023 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK)))))) 1024 1025 endif 1026 1027 # Build the standard GCC startfiles and endfiles. 1028 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES) 1029 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps) 1030 1031 ifeq ($(CUSTOM_CRTSTUFF),) 1032 # Compile two additional files that are linked with every program 1033 # linked using GCC on systems using COFF or ELF, for the sake of C++ 1034 # constructors. 1035 crtbegin$(objext): $(srcdir)/crtstuff.c 1036 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN 1037 1038 crtend$(objext): $(srcdir)/crtstuff.c 1039 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END 1040 1041 # These are versions of crtbegin and crtend for shared libraries. 1042 crtbeginS$(objext): $(srcdir)/crtstuff.c 1043 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O 1044 1045 crtendS$(objext): $(srcdir)/crtstuff.c 1046 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O 1047 1048 # This is a version of crtbegin for -static links. 1049 crtbeginT$(objext): $(srcdir)/crtstuff.c 1050 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O 1051 1052 # crtoffloadbegin and crtoffloadend contain symbols, that mark the begin and 1053 # the end of tables with addresses, required for offloading. crtoffloadtable 1054 # contains the array with addresses of those symbols. 1055 crtoffloadbegin$(objext): $(srcdir)/offloadstuff.c 1056 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN 1057 1058 crtoffloadend$(objext): $(srcdir)/offloadstuff.c 1059 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END 1060 1061 crtoffloadtable$(objext): $(srcdir)/offloadstuff.c 1062 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_TABLE 1063 1064 crtoffloadtableS$(objext): $(srcdir)/offloadstuff.c 1065 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_TABLE 1066 endif 1067 1068 ifeq ($(enable_vtable_verify),yes) 1069 # These are used in vtable verification; see comments in source files for 1070 # more details. 1071 1072 # Override -finhibit-size-directive to avoid mismatch between libgcc and libvtv 1073 # compilations. 1074 VTV_CFLAGS = $(CRTSTUFF_T_CFLAGS_S) -fno-inhibit-size-directive 1075 1076 vtv_start$(objext): $(srcdir)/vtv_start.c 1077 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start.c 1078 1079 vtv_end$(objext): $(srcdir)/vtv_end.c 1080 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end.c 1081 1082 vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c 1083 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start_preinit.c 1084 1085 vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c 1086 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end_preinit.c 1087 endif 1088 1089 ifeq ($(CUSTOM_CRTIN),) 1090 # -x assembler-with-cpp is only needed on case-insensitive filesystem. 1091 crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S 1092 $(crt_compile) -c -x assembler-with-cpp $< 1093 1094 crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S 1095 $(crt_compile) -c -x assembler-with-cpp $< 1096 endif 1097 1098 # Build extra startfiles in the libgcc directory. 1099 .PHONY: libgcc-extra-parts 1100 libgcc-extra-parts: $(EXTRA_PARTS) 1101 1102 # Early copyback; see "all" above for the rationale. The 1103 # early copy is necessary so that the gcc -B options find 1104 # the right startup files when linking shared libgcc. 1105 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR) 1106 parts="$(EXTRA_PARTS)"; \ 1107 for file in $$parts; do \ 1108 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \ 1109 $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \ 1110 case $$file in \ 1111 *.a) \ 1112 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \ 1113 esac; \ 1114 done 1115 1116 all: $(extra-parts) 1117 1118 $(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \ 1119 $(libgcov-objects) \ 1120 $(libunwind-objects) $(libunwind-s-objects) \ 1121 $(EXTRA_PARTS): $(LIBGCC_LINKS) libgcc_tm.h 1122 1123 # Copy unwind.h to the place where gcc will look for it at build-time 1124 install-unwind_h-forbuild: unwind.h 1125 dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \ 1126 cp unwind.h $$dest; \ 1127 chmod a+r $$dest; \ 1128 $(SHELL) $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h 1129 1130 # Copy unwind.h to the place where gcc will look at run-time, once installed 1131 # 1132 # This is redundant with the internal copy above when using a regular toplevel 1133 # "install" target, because gcc's install will copy to the destination as well. 1134 # 1135 # This is however useful for "install-no-fixincludes" case, when only the gcc 1136 # internal headers are copied by gcc's install. 1137 install-unwind_h: 1138 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include 1139 $(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include 1140 1141 all: install-unwind_h-forbuild 1142 1143 install-gcov_h: 1144 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include 1145 $(INSTALL_DATA) $(srcdir)/gcov.h $(DESTDIR)$(libsubdir)/include 1146 1147 # Documentation targets (empty). 1148 .PHONY: info html dvi pdf install-info install-html install-pdf 1149 1150 info: 1151 install-info: 1152 html: 1153 install-html: 1154 dvi: 1155 pdf: 1156 install-pdf: 1157 1158 # Install rules. These do not depend on "all", so that they can be invoked 1159 # recursively from it. 1160 install-libunwind: 1161 $(mkinstalldirs) $(DESTDIR)$(inst_slibdir) 1162 1163 # NOTE: Maybe this should go into $(inst_libdir), but this 1164 # is where the old mklibgcc.in put it. 1165 $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/ 1166 chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a 1167 $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a 1168 1169 $(subst @multilib_dir@,$(MULTIDIR),$(subst \ 1170 @shlib_base_name@,libunwind,$(subst \ 1171 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL)))) 1172 1173 install-shared: 1174 $(mkinstalldirs) $(DESTDIR)$(inst_libdir) 1175 1176 $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/ 1177 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a 1178 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a 1179 1180 $(subst @multilib_dir@,$(MULTIDIR),$(subst \ 1181 @shlib_base_name@,libgcc_s,$(subst \ 1182 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL)))) 1183 1184 install-leaf: $(install-shared) $(install-libunwind) 1185 $(mkinstalldirs) $(DESTDIR)$(inst_libdir) 1186 1187 $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/ 1188 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a 1189 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a 1190 ifeq ($(enable_gcov),yes) 1191 $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/ 1192 chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a 1193 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a 1194 endif 1195 1196 parts="$(INSTALL_PARTS)"; \ 1197 for file in $$parts; do \ 1198 rm -f $(DESTDIR)$(inst_libdir)/$$file; \ 1199 $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/; \ 1200 case $$file in \ 1201 *.a) \ 1202 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \ 1203 esac; \ 1204 done 1205 1206 install: install-leaf install-unwind_h install-gcov_h 1207 @: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install 1208 1209 install-strip: install 1210 1211 .PHONY: install install-shared install-libunwind install-strip 1212 .PHONY: install-unwind_h install-unwind_h-forbuild 1213 .PHONY: install-gcov_h 1214 1215 # Don't export variables to the environment, in order to not confuse 1216 # configure. 1217 .NOEXPORT: 1218 1219 -include $(wildcard *.dep) 1220