1# Makefile.in 2 3# Copyright (C) 2005-2020 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 22libgcc_topdir = @libgcc_topdir@ 23host_subdir = @host_subdir@ 24 25gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc 26 27srcdir = @srcdir@ 28 29prefix = @prefix@ 30 31exec_prefix = @exec_prefix@ 32libdir = @libdir@ 33shlib_slibdir = @slibdir@ 34 35SHELL = @SHELL@ 36 37cpu_type = @cpu_type@ 38enable_shared = @enable_shared@ 39enable_gcov = @enable_gcov@ 40double_type_size = @double_type_size@ 41long_double_type_size = @long_double_type_size@ 42decimal_float = @decimal_float@ 43enable_vtable_verify = @enable_vtable_verify@ 44enable_decimal_float = @enable_decimal_float@ 45fixed_point = @fixed_point@ 46with_aix_soname = @with_aix_soname@ 47solaris_ld_v2_maps = @solaris_ld_v2_maps@ 48enable_execute_stack = @enable_execute_stack@ 49unwind_header = @unwind_header@ 50md_unwind_header = @md_unwind_header@ 51sfp_machine_header = @sfp_machine_header@ 52thread_header = @thread_header@ 53 54host_noncanonical = @host_noncanonical@ 55real_host_noncanonical = @real_host_noncanonical@ 56target_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. 60EXTRA_PARTS = @extra_parts@ 61 62FORCE_EXPLICIT_EH_REGISTRY = @force_explicit_eh_registry@ 63 64extra-parts = libgcc-extra-parts 65 66# Multilib support variables. 67MULTISRCTOP = 68MULTIBUILDTOP = 69MULTIDIRS = 70MULTISUBDIR = 71MULTIDO = true 72MULTICLEAN = true 73 74INSTALL = @INSTALL@ 75INSTALL_PROGRAM = @INSTALL_PROGRAM@ 76INSTALL_DATA = @INSTALL_DATA@ 77mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs 78INSTALL_PARTS = $(EXTRA_PARTS) 79 80objext = .o 81 82AR = @AR@ 83AR_FLAGS = rc 84 85CC = @CC@ 86CFLAGS = @CFLAGS@ 87RANLIB = @RANLIB@ 88LN_S = @LN_S@ 89 90PWD_COMMAND = $${PWDCMD-pwd} 91 92# Flags to pass to a recursive make. 93FLAGS_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. 115all: 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 124all-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 130check: 131installcheck: 132 133.PHONY: all clean 134 135clean: 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 144distclean: 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 150maintainer-clean realclean: distclean 151 152Makefile: $(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. 157auto-target.h: stamp-h ; @true 158stamp-h: $(srcdir)/config.in config.status Makefile 159 CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status 160 161config.status: $(srcdir)/configure $(srcdir)/config.host 162 $(SHELL) ./config.status --recheck 163 164AUTOCONF = autoconf 165configure_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 183include $(gcc_objdir)/libgcc.mvars 184 185# Flags to pass to recursive makes. 186 187AR_FOR_TARGET = $(AR) 188AR_FLAGS_FOR_TARGET = 189AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc 190AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x 191AWK = @AWK@ 192GCC_FOR_TARGET = $(CC) 193LIPO = @LIPO@ 194LIPO_FOR_TARGET = $(LIPO) 195MACHMODE_H = machmode.h mode-classes.def insn-modes.h 196NM = @NM@ 197NM_FOR_TARGET = $(NM) 198RANLIB_FOR_TARGET = $(RANLIB) 199STRIP = @STRIP@ 200STRIP_FOR_TARGET = $(STRIP) 201 202# Directory in which the compiler finds libraries etc. 203libsubdir = $(libdir)/gcc/$(real_host_noncanonical)/$(version)@accel_dir_suffix@ 204# Used to install the shared libgcc. 205slibdir = @slibdir@ 206# Maybe used for DLLs on Windows targets. 207toolexecdir = @toolexecdir@ 208toolexeclibdir = @toolexeclibdir@ 209 210export AR_FOR_TARGET 211export AR_CREATE_FOR_TARGET 212export AR_FLAGS_FOR_TARGET 213export AR_EXTRACT_FOR_TARGET 214export AWK 215export DESTDIR 216export GCC_FOR_TARGET 217export INCLUDES 218export INSTALL_DATA 219export LIB1ASMSRC 220export LIBGCC2_CFLAGS 221export LIPO_FOR_TARGET 222export MACHMODE_H 223export NM_FOR_TARGET 224export STRIP_FOR_TARGET 225export RANLIB_FOR_TARGET 226export libsubdir 227export slibdir 228export toolexecdir 229export toolexeclibdir 230 231version := $(shell @get_gcc_base_ver@ $(srcdir)/../gcc/BASE-VER) 232 233ifeq ($(decimal_float),yes) 234ifeq ($(enable_decimal_float),bid) 235DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT 236else 237DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \ 238 -I$(srcdir)/../libdecnumber 239endif 240else 241DECNUMINC = 242endif 243 244# Options to use when compiling libgcc2.a. 245# 246LIBGCC2_DEBUG_CFLAGS = -g 247LIBGCC2_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 254LIBGCC2_INCLUDES = 255 256# Additional target-dependent options for compiling libgcc2.a. 257HOST_LIBGCC2_CFLAGS = 258 259PICFLAG = @PICFLAG@ 260 261CET_FLAGS = @CET_FLAGS@ 262 263USE_TM_CLONE_REGISTRY = @use_tm_clone_registry@ 264 265# Defined in libgcc2.c, included only in the static library. 266LIB2FUNCS_ST = _eprintf __gcc_bcmp 267 268# List of functions not to build from libgcc2.c. 269LIB2FUNCS_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'. 273LIB2ADD = 274 275# List of extra C and assembler files to add to static libgcc2. 276# Assembler files should have names ending in `.S'. 277LIB2ADD_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. 285INCLUDES = -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. 291override 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. 297INTERNAL_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. 301CRTSTUFF_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. 308CRTSTUFF_T_CFLAGS = 309 310MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory) 311MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory) 312 313MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi) 314inst_libdir = $(libsubdir)$(MULTISUBDIR) 315inst_slibdir = $(slibdir)$(MULTIOSSUBDIR) 316 317gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS) 318compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep 319gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps) 320gcc_s_compile = $(gcc_compile) -DSHARED 321 322objects = $(filter %$(objext),$^) 323 324# Collect any host-specific information from Makefile fragments. 325 326LIBGCC_VER_GNU_PREFIX = __ 327LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __ 328LIBGCC_VER_SYMBOLS_PREFIX = 329 330FPBIT_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 335DPBIT_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 340TPBIT_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. 346LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \ 347 $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c 348LIB2ADDEHSTATIC = $(LIB2ADDEH) 349LIB2ADDEHSHARED = $(LIB2ADDEH) 350 351# nm flags to list global symbols in libgcc object files. 352SHLIB_NM_FLAGS = -pg 353 354# Don't build libunwind by default. 355LIBUNWIND = 356SHLIBUNWIND_LINK = 357SHLIBUNWIND_INSTALL = 358 359 360# Create links to files specified in config.host. 361LIBGCC_LINKS = enable-execute-stack.c unwind.h md-unwind-support.h \ 362 sfp-machine.h gthr-default.h 363 364enable-execute-stack.c: $(srcdir)/$(enable_execute_stack) 365 -$(LN_S) $< $@ 366unwind.h: $(srcdir)/$(unwind_header) 367 -$(LN_S) $< $@ 368md-unwind-support.h: $(srcdir)/config/$(md_unwind_header) 369 -$(LN_S) $< $@ 370sfp-machine.h: $(srcdir)/config/$(sfp_machine_header) 371 -$(LN_S) $< $@ 372gthr-default.h: $(srcdir)/$(thread_header) 373 -$(LN_S) $< $@ 374 375tmake_file = @tmake_file@ 376include $(srcdir)/empty.mk $(tmake_file) 377 378# Collect target defines and headers from config.host. 379libgcc_tm_defines = @tm_defines@ 380libgcc_tm_file = @tm_file@ 381libgcc_tm.h: libgcc_tm.stamp; @true 382libgcc_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 391ifeq ($(SHLIB_LINK),) 392 enable_shared := no 393endif 394 395ifeq ($(enable_shared),yes) 396 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items)) 397 398 install-shared = install-shared 399 400 ifneq ($(LIBUNWIND),) 401 install-libunwind = install-libunwind 402 endif 403endif 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. 408vis_hide = @vis_hide@ 409 410ifneq (,$(vis_hide)) 411 412# If we have -fvisibility=hidden, then we need to generate hide 413# lists for object files implemented in assembly. 414ASM_HIDDEN_OP = @asm_hidden_op@ 415 416define gen-hide-list 417$(NM) -pg $< | \ 418 $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \ 419 && $$3 !~ /.*@.*/ \ 420 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T 421mv -f $@T $@ 422endef 423else 424gen-hide-list = echo > $@ 425endif 426 427ifneq ($(enable_shared),yes) 428iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items)) 429endif 430 431LIB2ADD += enable-execute-stack.c 432 433# While emutls.c has nothing to do with EH, it is in LIB2ADDEH* 434# instead of LIB2ADD because that's the way to be sure on some targets 435# (e.g. *-*-darwin*) only one copy of it is linked. 436LIB2ADDEH += $(srcdir)/emutls.c 437LIB2ADDEHSTATIC += $(srcdir)/emutls.c 438LIB2ADDEHSHARED += $(srcdir)/emutls.c 439 440# Library members defined in libgcc2.c. 441lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \ 442 _clear_cache _trampoline __main _absvsi2 \ 443 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \ 444 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \ 445 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \ 446 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \ 447 _mulhc3 _mulsc3 _muldc3 _mulxc3 _multc3 _divhc3 _divsc3 \ 448 _divdc3 _divxc3 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 \ 449 _clrsbdi2 450 451# The floating-point conversion routines that involve a single-word integer. 452# XX stands for the integer mode. 453swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf) 454 455# Likewise double-word routines. 456dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \ 457 $(patsubst %,_fixuns%XX,sf df xf tf) \ 458 $(patsubst %,_floatXX%,sf df xf tf) \ 459 $(patsubst %,_floatunXX%,sf df xf tf) 460 461ifeq ($(LIB2_SIDITI_CONV_FUNCS),) 462 lib2funcs += $(subst XX,si,$(swfloatfuncs)) 463 lib2funcs += $(subst XX,di,$(dwfloatfuncs)) 464endif 465 466# These might cause a divide overflow trap and so are compiled with 467# unwinder info. 468LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _divmoddi4 \ 469 _udivdi3 _umoddi3 _udivmoddi4 _udiv_w_sdiv 470 471# Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are 472# defined as optimized assembly code in LIB1ASMFUNCS or as C code 473# in LIB2FUNCS_EXCLUDE. 474lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs)) 475LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \ 476 $(LIB2_DIVMOD_FUNCS)) 477 478LIB2FUNCS_ST := $(filter-out $(LIB2FUNCS_EXCLUDE),$(LIB2FUNCS_ST)) 479 480# Build "libgcc1" (assembly) components. 481 482lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS)) 483$(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis 484 $(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis 485$(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext) 486 $(gen-hide-list) 487libgcc-objects += $(lib1asmfuncs-o) 488 489lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS)) 490$(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC) 491 $(gcc_s_compile) -DL$* -xassembler-with-cpp -c $< 492ifeq ($(enable_shared),yes) 493 494libgcc-s-objects += $(lib1asmfuncs-s-o) 495 496endif 497 498# Build lib2funcs. For the static library also include LIB2FUNCS_ST. 499lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST)) 500$(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c 501 $(gcc_compile) -DL$* -c $< $(vis_hide) 502libgcc-objects += $(lib2funcs-o) 503 504ifeq ($(enable_shared),yes) 505lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs)) 506$(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c 507 $(gcc_s_compile) -DL$* -c $< 508libgcc-s-objects += $(lib2funcs-s-o) 509endif 510 511ifneq ($(LIB2_SIDITI_CONV_FUNCS),) 512# Build libgcc2.c for each conversion function, with a specific 513# L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode 514# functions are built with a wordsize of 4; the TImode functions are 515# built with the same labels, but a wordsize of 8. 516 517sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs))) 518difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs))) 519tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs))) 520 521iter-items := $(sifuncs) $(difuncs) $(tifuncs) 522iter-labels := $(sifuncs) $(difuncs) $(difuncs) 523iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs)) 524 525include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items)) 526 527libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs)) 528ifeq ($(enable_shared),yes) 529libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs)) 530endif 531endif 532 533ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),) 534# Provide default flags for compiling divmod functions, if they haven't been 535# set already by a target-specific Makefile fragment. 536LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions 537endif 538 539# Build LIB2_DIVMOD_FUNCS. 540lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS)) 541$(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c 542 $(gcc_compile) -DL$* -c $< \ 543 $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide) 544libgcc-objects += $(lib2-divmod-o) 545 546ifeq ($(enable_shared),yes) 547lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS)) 548$(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c 549 $(gcc_s_compile) -DL$* -c $< \ 550 $(LIB2_DIVMOD_EXCEPTION_FLAGS) 551libgcc-s-objects += $(lib2-divmod-s-o) 552endif 553 554ifeq ($(TPBIT),) 555# _sf_to_tf and _df_to_tf require tp-bit.c being compiled in. 556FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS)) 557DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS)) 558endif 559 560FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS)) 561DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS)) 562TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS)) 563 564fpbit-src := $(srcdir)/fp-bit.c 565 566# Build FPBIT. 567ifneq ($(FPBIT),) 568fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS)) 569$(fpbit-o): %$(objext): $(fpbit-src) 570 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide) 571libgcc-objects += $(fpbit-o) 572 573ifeq ($(enable_shared),yes) 574fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS)) 575$(fpbit-s-o): %_s$(objext): $(fpbit-src) 576 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< 577libgcc-s-objects += $(fpbit-s-o) 578endif 579endif 580 581# Build DPBIT. 582ifneq ($(DPBIT),) 583dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS)) 584$(dpbit-o): %$(objext): $(fpbit-src) 585 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide) 586libgcc-objects += $(dpbit-o) 587 588ifeq ($(enable_shared),yes) 589dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS)) 590$(dpbit-s-o): %_s$(objext): $(fpbit-src) 591 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< 592libgcc-s-objects += $(dpbit-s-o) 593endif 594endif 595 596# Build TPBIT. 597ifneq ($(TPBIT),) 598tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS)) 599$(tpbit-o): %$(objext): $(fpbit-src) 600 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide) 601libgcc-objects += $(tpbit-o) 602 603ifeq ($(enable_shared),yes) 604tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS)) 605$(tpbit-s-o): %_s$(objext): $(fpbit-src) 606 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< 607libgcc-s-objects += $(tpbit-s-o) 608endif 609endif 610 611# Build decimal floating point support. 612ifeq ($(decimal_float),yes) 613 614# If $DFP_ENABLE is set, then we want all data type sizes. 615ifneq ($(DFP_ENABLE),) 616D32PBIT = 1 617D64PBIT = 1 618D128PBIT = 1 619endif 620 621dfp-filenames = 622ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),) 623ifeq ($(enable_decimal_float),bid) 624dfp-filenames += bid_decimal_globals bid_decimal_data \ 625 bid_binarydecimal bid_convert_data \ 626 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \ 627 bid128_noncomp bid128_fma bid_round bid_from_int \ 628 bid64_add bid128_add bid64_div bid128_div \ 629 bid64_mul bid128_mul bid64_compare bid128_compare \ 630 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \ 631 bid64_to_int32 bid64_to_int64 \ 632 bid64_to_uint32 bid64_to_uint64 \ 633 bid128_to_int32 bid128_to_int64 \ 634 bid128_to_uint32 bid128_to_uint64 635else 636dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle 637endif 638endif 639 640dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames)) 641ifeq ($(enable_decimal_float),bid) 642$(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c 643else 644$(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c 645endif 646 $(gcc_compile) -c $< 647libgcc-objects += $(dfp-objects) 648 649decbits-filenames = 650ifneq ($(enable_decimal_float),bid) 651ifneq ($(D32PBIT),) 652decbits-filenames += decimal32 653endif 654 655ifneq ($(D64PBIT),) 656decbits-filenames += decimal64 657endif 658 659ifneq ($(D128PBIT),) 660decbits-filenames += decimal128 661endif 662endif 663 664decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames)) 665ifeq ($(enable_decimal_float),bid) 666$(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c 667else 668$(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c 669endif 670 $(gcc_compile) -c $< 671libgcc-objects += $(decbits-objects) 672 673# Next build individual support functions. 674D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \ 675 _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \ 676 _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \ 677 _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \ 678 _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \ 679 _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \ 680 _sd_to_dd _sd_to_td _unord_sd _conv_sd 681 682D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \ 683 _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \ 684 _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \ 685 _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \ 686 _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \ 687 _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \ 688 _dd_to_sd _dd_to_td _unord_dd _conv_dd 689 690D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \ 691 _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \ 692 _td_to_si _td_to_di _td_to_usi _td_to_udi \ 693 _si_to_td _di_to_td _usi_to_td _udi_to_td \ 694 _td_to_sf _td_to_df _td_to_xf _td_to_tf \ 695 _sf_to_td _df_to_td _xf_to_td _tf_to_td \ 696 _td_to_sd _td_to_dd _unord_td _conv_td 697 698ifeq ($(enable_decimal_float),bid) 699ifneq ($(D32PBIT),) 700D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS)) 701endif 702 703ifneq ($(D64PBIT),) 704D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS)) 705endif 706 707ifneq ($(D128PBIT),) 708D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS)) 709endif 710endif 711 712ifneq ($(D32PBIT),) 713d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS)) 714ifeq ($(enable_decimal_float),bid) 715$(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c 716else 717$(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c 718endif 719 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $< 720libgcc-objects += $(d32pbit-o) 721endif 722 723ifneq ($(D64PBIT),) 724d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS)) 725ifeq ($(enable_decimal_float),bid) 726$(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c 727else 728$(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c 729endif 730 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $< 731libgcc-objects += $(d64pbit-o) 732endif 733 734ifneq ($(D128PBIT),) 735d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS)) 736ifeq ($(enable_decimal_float),bid) 737$(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c 738else 739$(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c 740endif 741 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $< 742libgcc-objects += $(d128pbit-o) 743endif 744 745endif 746 747ifeq ($(SYNC),yes) 748libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \ 749 sync_fetch_and_$(op) \ 750 sync_$(op)_and_fetch) \ 751 sync_bool_compare_and_swap \ 752 sync_val_compare_and_swap \ 753 sync_lock_test_and_set 754 755libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \ 756 $(foreach suffix, 1 2 4 8 16, \ 757 $(prefix)_$(suffix))) 758 759libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs)) 760$(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c 761 $(gcc_compile) $(SYNC_CFLAGS) \ 762 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \ 763 -DSIZE=`echo "$*" | sed 's/.*_//'` \ 764 -c $< $(vis_hide) 765libgcc-objects += $(libgcc-sync-size-funcs-o) 766 767libgcc-sync-funcs := sync_synchronize 768 769libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs)) 770$(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c 771 $(gcc_compile) $(SYNC_CFLAGS) \ 772 -DL$* \ 773 -c $< $(vis_hide) 774libgcc-objects += $(libgcc-sync-funcs-o) 775 776ifeq ($(enable_shared),yes) 777libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \ 778 $(libgcc-sync-size-funcs)) 779$(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c 780 $(gcc_s_compile) $(SYNC_CFLAGS) \ 781 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \ 782 -DSIZE=`echo "$*" | sed 's/.*_//'` \ 783 -c $< 784libgcc-s-objects += $(libgcc-sync-size-funcs-s-o) 785 786libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs)) 787$(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c 788 $(gcc_s_compile) $(SYNC_CFLAGS) \ 789 -DL$* \ 790 -c $< 791libgcc-s-objects += $(libgcc-sync-funcs-s-o) 792endif 793endif 794 795# Build fixed-point support. 796ifeq ($(fixed_point),yes) 797 798# Generate permutations of function name and mode 799fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels) 800fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs) 801fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes) 802 803# Generate the rules for each arithmetic function 804iter-items := $(fixed-funcs) 805iter-labels := $(fixed-labels) 806iter-from := $(fixed-modes) 807iter-to := $(fixed-modes) 808include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items)) 809 810# Add arithmetic functions to list of objects to be built 811libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs))) 812ifeq ($(enable_shared),yes) 813libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs))) 814endif 815 816# Convert from or to fractional 817fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs) 818fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels) 819fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from) 820fixed-conv-to := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to) 821 822# Generate the make rules for each conversion function 823iter-items := $(fixed-conv-funcs) 824iter-labels := $(fixed-conv-labels) 825iter-from := $(fixed-conv-from) 826iter-to := $(fixed-conv-to) 827include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items)) 828 829# Add conversion functions to list of objects to be built 830libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs))) 831ifeq ($(enable_shared),yes) 832libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs))) 833endif 834 835endif 836 837# Build LIB2ADD and LIB2ADD_ST. 838ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),) 839$(error Unsupported files in LIB2ADD or LIB2ADD_ST.) 840endif 841 842libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD)))) 843libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST)))) 844 845c_flags := 846iter-items := $(LIB2ADD) $(LIB2ADD_ST) 847include $(iterator) 848 849ifeq ($(enable_shared),yes) 850libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD)))) 851endif 852 853# Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have 854# libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and 855# LIB2ADDEHSHARED matter. (Usually all three are identical.) 856 857c_flags := -fexceptions 858 859ifeq ($(enable_shared),yes) 860 861libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC)))) 862libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED)))) 863 864iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED)) 865include $(iterator) 866 867else 868# Not shared. LIB2ADDEH are added to libgcc.a. 869 870libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH)))) 871 872iter-items := $(LIB2ADDEH) 873include $(iterator) 874 875endif 876 877# Build LIBUNWIND. Use -fno-exceptions so that the unwind library does 878# not generate calls to __gcc_personality_v0. 879 880c_flags := -fno-exceptions 881 882libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND)))) 883 884ifeq ($(enable_shared),yes) 885libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND)))) 886endif 887 888iter-items := $(LIBUNWIND) 889include $(iterator) 890 891# Build libgcov components. 892 893LIBGCOV_MERGE = _gcov_merge_add _gcov_merge_topn \ 894 _gcov_merge_ior _gcov_merge_time_profile 895LIBGCOV_PROFILER = _gcov_interval_profiler \ 896 _gcov_interval_profiler_atomic \ 897 _gcov_pow2_profiler \ 898 _gcov_pow2_profiler_atomic \ 899 _gcov_topn_values_profiler \ 900 _gcov_topn_values_profiler_atomic \ 901 _gcov_average_profiler \ 902 _gcov_average_profiler_atomic \ 903 _gcov_ior_profiler \ 904 _gcov_ior_profiler_atomic \ 905 _gcov_indirect_call_profiler_v4 \ 906 _gcov_time_profiler 907LIBGCOV_INTERFACE = _gcov_dump _gcov_flush _gcov_fork \ 908 _gcov_execl _gcov_execlp \ 909 _gcov_execle _gcov_execv _gcov_execvp _gcov_execve _gcov_reset 910LIBGCOV_DRIVER = _gcov 911 912libgcov-merge-objects = $(patsubst %,%$(objext),$(LIBGCOV_MERGE)) 913libgcov-profiler-objects = $(patsubst %,%$(objext),$(LIBGCOV_PROFILER)) 914libgcov-interface-objects = $(patsubst %,%$(objext),$(LIBGCOV_INTERFACE)) 915libgcov-driver-objects = $(patsubst %,%$(objext),$(LIBGCOV_DRIVER)) 916libgcov-objects = $(libgcov-merge-objects) $(libgcov-profiler-objects) \ 917 $(libgcov-interface-objects) $(libgcov-driver-objects) 918 919$(libgcov-merge-objects): %$(objext): $(srcdir)/libgcov-merge.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 920 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-merge.c 921$(libgcov-profiler-objects): %$(objext): $(srcdir)/libgcov-profiler.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 922 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-profiler.c 923$(libgcov-interface-objects): %$(objext): $(srcdir)/libgcov-interface.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 924 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-interface.c 925$(libgcov-driver-objects): %$(objext): $(srcdir)/libgcov-driver.c \ 926 $(srcdir)/libgcov-driver-system.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 927 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-driver.c 928 929 930# Static libraries. 931libgcc.a: $(libgcc-objects) 932libgcov.a: $(libgcov-objects) 933libunwind.a: $(libunwind-objects) 934libgcc_eh.a: $(libgcc-eh-objects) 935 936libgcc.a libgcov.a libunwind.a libgcc_eh.a: 937 -rm -f $@ 938 939 objects="$(objects)"; \ 940 if test -z "$$objects"; then \ 941 echo 'int __libgcc_eh_dummy;' > eh_dummy.c; \ 942 $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c \ 943 -o eh_dummy$(objext); \ 944 objects=eh_dummy$(objext); \ 945 fi; \ 946 $(AR_CREATE_FOR_TARGET) $@ $$objects 947 948 $(RANLIB) $@ 949 950all: libgcc.a 951ifeq ($(enable_gcov),yes) 952all: libgcov.a 953endif 954 955ifneq ($(LIBUNWIND),) 956all: libunwind.a 957endif 958 959ifeq ($(enable_shared),yes) 960all: libgcc_eh.a libgcc_s$(SHLIB_EXT) 961ifneq ($(LIBUNWIND),) 962all: libunwind$(SHLIB_EXT) 963libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT) 964endif 965 966# Map-file generation. 967ifneq ($(SHLIB_MKMAP),) 968libgcc.map.in: $(SHLIB_MAPFILES) 969 { cat $(SHLIB_MAPFILES) \ 970 | sed -e '/^[ ]*#/d' \ 971 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \ 972 | $(gcc_compile_bare) -E -xassembler-with-cpp -; \ 973 } > tmp-$@ 974 mv tmp-$@ $@ 975libgcc.map: $(SHLIB_MKMAP) libgcc.map.in $(libgcc-s-objects) 976 { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \ 977 cat libgcc.map.in; \ 978 } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@ 979 mv tmp-$@ $@ 980libgcc_s$(SHLIB_EXT): libgcc.map 981mapfile = libgcc.map 982endif 983 984libgcc-std.ver: $(srcdir)/libgcc-std.ver.in 985 sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \ 986 -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@ 987 988libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a 989 # @multilib_flags@ is still needed because this may use 990 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly. 991 # @multilib_dir@ is not really necessary, but sometimes it has 992 # more uses than just a directory name. 993 $(mkinstalldirs) $(MULTIDIR) 994 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \ 995 @multilib_dir@,$(MULTIDIR),$(subst \ 996 @shlib_objs@,$(objects) libgcc.a,$(subst \ 997 @shlib_base_name@,libgcc_s,$(subst \ 998 @shlib_map_file@,$(mapfile),$(subst \ 999 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \ 1000 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK)))))))) 1001 1002libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts) 1003 # @multilib_flags@ is still needed because this may use 1004 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly. 1005 # @multilib_dir@ is not really necessary, but sometimes it has 1006 # more uses than just a directory name. 1007 $(mkinstalldirs) $(MULTIDIR) 1008 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \ 1009 @multilib_dir@,$(MULTIDIR),$(subst \ 1010 @shlib_objs@,$(objects),$(subst \ 1011 @shlib_base_name@,libunwind,$(subst \ 1012 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK)))))) 1013 1014endif 1015 1016# Build the standard GCC startfiles and endfiles. 1017ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES) 1018crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps) 1019 1020ifeq ($(CUSTOM_CRTSTUFF),) 1021# Compile two additional files that are linked with every program 1022# linked using GCC on systems using COFF or ELF, for the sake of C++ 1023# constructors. 1024crtbegin$(objext): $(srcdir)/crtstuff.c 1025 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN 1026 1027crtend$(objext): $(srcdir)/crtstuff.c 1028 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END 1029 1030# These are versions of crtbegin and crtend for shared libraries. 1031crtbeginS$(objext): $(srcdir)/crtstuff.c 1032 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O 1033 1034crtendS$(objext): $(srcdir)/crtstuff.c 1035 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O 1036 1037# This is a version of crtbegin for -static links. 1038crtbeginT$(objext): $(srcdir)/crtstuff.c 1039 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O 1040 1041# crtoffloadbegin and crtoffloadend contain symbols, that mark the begin and 1042# the end of tables with addresses, required for offloading. crtoffloadtable 1043# contains the array with addresses of those symbols. 1044crtoffloadbegin$(objext): $(srcdir)/offloadstuff.c 1045 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN 1046 1047crtoffloadend$(objext): $(srcdir)/offloadstuff.c 1048 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END 1049 1050crtoffloadtable$(objext): $(srcdir)/offloadstuff.c 1051 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_TABLE 1052endif 1053 1054ifeq ($(enable_vtable_verify),yes) 1055# These are used in vtable verification; see comments in source files for 1056# more details. 1057 1058# Override -finhibit-size-directive to avoid mismatch between libgcc and libvtv 1059# compilations. 1060VTV_CFLAGS = $(CRTSTUFF_T_CFLAGS_S) -fno-inhibit-size-directive 1061 1062vtv_start$(objext): $(srcdir)/vtv_start.c 1063 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start.c 1064 1065vtv_end$(objext): $(srcdir)/vtv_end.c 1066 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end.c 1067 1068vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c 1069 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start_preinit.c 1070 1071vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c 1072 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end_preinit.c 1073endif 1074 1075ifeq ($(CUSTOM_CRTIN),) 1076# -x assembler-with-cpp is only needed on case-insensitive filesystem. 1077crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S 1078 $(crt_compile) -c -x assembler-with-cpp $< 1079 1080crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S 1081 $(crt_compile) -c -x assembler-with-cpp $< 1082endif 1083 1084# Build extra startfiles in the libgcc directory. 1085.PHONY: libgcc-extra-parts 1086libgcc-extra-parts: $(EXTRA_PARTS) 1087 1088 # Early copyback; see "all" above for the rationale. The 1089 # early copy is necessary so that the gcc -B options find 1090 # the right startup files when linking shared libgcc. 1091 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR) 1092 parts="$(EXTRA_PARTS)"; \ 1093 for file in $$parts; do \ 1094 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \ 1095 $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \ 1096 case $$file in \ 1097 *.a) \ 1098 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \ 1099 esac; \ 1100 done 1101 1102all: $(extra-parts) 1103 1104$(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \ 1105 $(libgcov-objects) \ 1106 $(libunwind-objects) $(libunwind-s-objects) \ 1107 $(EXTRA_PARTS): $(LIBGCC_LINKS) libgcc_tm.h 1108 1109# Copy unwind.h to the place where gcc will look for it at build-time 1110install-unwind_h-forbuild: unwind.h 1111 dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \ 1112 cp unwind.h $$dest; \ 1113 chmod a+r $$dest; \ 1114 $(SHELL) $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h 1115 1116# Copy unwind.h to the place where gcc will look at run-time, once installed 1117# 1118# This is redundant with the internal copy above when using a regular toplevel 1119# "install" target, because gcc's install will copy to the destination as well. 1120# 1121# This is however useful for "install-no-fixincludes" case, when only the gcc 1122# internal headers are copied by gcc's install. 1123install-unwind_h: 1124 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include 1125 $(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include 1126 1127all: install-unwind_h-forbuild 1128 1129install-gcov_h: 1130 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include 1131 $(INSTALL_DATA) $(srcdir)/gcov.h $(DESTDIR)$(libsubdir)/include 1132 1133# Documentation targets (empty). 1134.PHONY: info html dvi pdf install-info install-html install-pdf 1135 1136info: 1137install-info: 1138html: 1139install-html: 1140dvi: 1141pdf: 1142install-pdf: 1143 1144# Install rules. These do not depend on "all", so that they can be invoked 1145# recursively from it. 1146install-libunwind: 1147 $(mkinstalldirs) $(DESTDIR)$(inst_slibdir) 1148 1149 # NOTE: Maybe this should go into $(inst_libdir), but this 1150 # is where the old mklibgcc.in put it. 1151 $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/ 1152 chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a 1153 $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a 1154 1155 $(subst @multilib_dir@,$(MULTIDIR),$(subst \ 1156 @shlib_base_name@,libunwind,$(subst \ 1157 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL)))) 1158 1159install-shared: 1160 $(mkinstalldirs) $(DESTDIR)$(inst_libdir) 1161 1162 $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/ 1163 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a 1164 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a 1165 1166 $(subst @multilib_dir@,$(MULTIDIR),$(subst \ 1167 @shlib_base_name@,libgcc_s,$(subst \ 1168 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL)))) 1169 1170install-leaf: $(install-shared) $(install-libunwind) 1171 $(mkinstalldirs) $(DESTDIR)$(inst_libdir) 1172 1173 $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/ 1174 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a 1175 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a 1176ifeq ($(enable_gcov),yes) 1177 $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/ 1178 chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a 1179 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a 1180endif 1181 1182 parts="$(INSTALL_PARTS)"; \ 1183 for file in $$parts; do \ 1184 rm -f $(DESTDIR)$(inst_libdir)/$$file; \ 1185 $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/; \ 1186 case $$file in \ 1187 *.a) \ 1188 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \ 1189 esac; \ 1190 done 1191 1192install: install-leaf install-unwind_h install-gcov_h 1193 @: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install 1194 1195install-strip: install 1196 1197.PHONY: install install-shared install-libunwind install-strip 1198.PHONY: install-unwind_h install-unwind_h-forbuild 1199.PHONY: install-gcov_h 1200 1201# Don't export variables to the environment, in order to not confuse 1202# configure. 1203.NOEXPORT: 1204 1205include $(srcdir)/empty.mk $(wildcard *.dep) 1206