RISC-V: Add interrupt attribute modes.
[official-gcc.git] / libgcc / Makefile.in
blobdd8cee99fd396ff53d720c005f6a536a87bd4e48
1 # Makefile.in
3 # Copyright (C) 2005-2018 Free Software Foundation, Inc.
5 # This file is part of GCC.
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.
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.
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/>.
22 libgcc_topdir = @libgcc_topdir@
23 host_subdir = @host_subdir@
25 gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
27 srcdir = @srcdir@
29 prefix = @prefix@
31 exec_prefix = @exec_prefix@
32 libdir = @libdir@
33 shlib_slibdir = @slibdir@
35 SHELL = @SHELL@
37 cpu_type = @cpu_type@
38 enable_shared = @enable_shared@
39 double_type_size = @double_type_size@
40 long_double_type_size = @long_double_type_size@
41 decimal_float = @decimal_float@
42 enable_vtable_verify = @enable_vtable_verify@
43 enable_decimal_float = @enable_decimal_float@
44 fixed_point = @fixed_point@
45 with_aix_soname = @with_aix_soname@
46 enable_execute_stack = @enable_execute_stack@
47 unwind_header = @unwind_header@
48 md_unwind_header = @md_unwind_header@
49 sfp_machine_header = @sfp_machine_header@
50 thread_header = @thread_header@
52 host_noncanonical = @host_noncanonical@
53 real_host_noncanonical = @real_host_noncanonical@
54 target_noncanonical = @target_noncanonical@
56 # List of extra object files that should be compiled for this target machine.
57 # The rules for compiling them should be in the t-* file for the machine.
58 EXTRA_PARTS = @extra_parts@
60 FORCE_EXPLICIT_EH_REGISTRY = @force_explicit_eh_registry@
62 extra-parts = libgcc-extra-parts
64 # Multilib support variables.
65 MULTISRCTOP =
66 MULTIBUILDTOP =
67 MULTIDIRS =
68 MULTISUBDIR =
69 MULTIDO = true
70 MULTICLEAN = true
72 INSTALL = @INSTALL@
73 INSTALL_PROGRAM = @INSTALL_PROGRAM@
74 INSTALL_DATA = @INSTALL_DATA@
75 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
76 INSTALL_PARTS = $(EXTRA_PARTS)
78 objext = .o
80 AR = @AR@
81 AR_FLAGS = rc
83 CC = @CC@
84 CFLAGS = @CFLAGS@
85 RANLIB = @RANLIB@
86 LN_S = @LN_S@
88 PWD_COMMAND = $${PWDCMD-pwd}
90 # Flags to pass to a recursive make.
91 FLAGS_TO_PASS = \
92 "AR=$(AR)" \
93 "AR_FLAGS=$(AR_FLAGS)" \
94 "CC=$(CC)" \
95 "CFLAGS=$(CFLAGS)" \
96 "DESTDIR=$(DESTDIR)" \
97 "EXTRA_OFILES=$(EXTRA_OFILES)" \
98 "HDEFINES=$(HDEFINES)" \
99 "INSTALL=$(INSTALL)" \
100 "INSTALL_DATA=$(INSTALL_DATA)" \
101 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
102 "LDFLAGS=$(LDFLAGS)" \
103 "LOADLIBES=$(LOADLIBES)" \
104 "RANLIB=$(RANLIB)" \
105 "SHELL=$(SHELL)" \
106 "prefix=$(prefix)" \
107 "exec_prefix=$(exec_prefix)" \
108 "libdir=$(libdir)" \
109 "libsubdir=$(libsubdir)" \
110 "tooldir=$(tooldir)"
112 # Dependencies for "all" are set later in the file.
113 all: all-multi
114 # Now that we have built all the objects, we need to copy
115 # them back to the GCC directory. Too many things (other
116 # in-tree libraries, and DejaGNU) know about the layout
117 # of the build tree, for now.
118 $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
119 slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
121 .PHONY: all-multi
122 all-multi:
123 # If this is the top-level multilib, build all the other
124 # multilibs.
125 @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
127 .PHONY: check installcheck
128 check:
129 installcheck:
131 .PHONY: all clean
133 clean:
134 -rm -f libgcc_tm.h libgcc.map
135 -rm -f libgcc_tm.stamp stmp-ldirs
136 -rm -f *$(objext)
137 -rm -f *.dep
138 -rm -f *.a
139 -rm -f libunwind$(SHLIB_EXT)
140 -rm -f libgcc_s*
141 @$(MULTICLEAN) multi-clean DO=clean
142 distclean: clean
143 @$(MULTICLEAN) multi-clean DO=distclean
144 -rm -f auto-target.h
145 -rm -f stamp-h
146 -rm -f *~ Makefile config.cache config.status multilib.out
147 -rm -f config.log
148 maintainer-clean realclean: distclean
150 Makefile: $(srcdir)/Makefile.in config.status
151 CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
153 # Depending on Makefile makes sure that config.status has been re-run
154 # if needed. This prevents problems with parallel builds.
155 auto-target.h: stamp-h ; @true
156 stamp-h: $(srcdir)/config.in config.status Makefile
157 CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status
159 config.status: $(srcdir)/configure $(srcdir)/config.host
160 $(SHELL) ./config.status --recheck
162 AUTOCONF = autoconf
163 configure_deps = \
164 $(srcdir)/../config/enable.m4 \
165 $(srcdir)/../config/tls.m4 \
166 $(srcdir)/../config/acx.m4 \
167 $(srcdir)/../config/no-executables.m4 \
168 $(srcdir)/../config/lib-ld.m4 \
169 $(srcdir)/../config/override.m4 \
170 $(srcdir)/../config/picflag.m4 \
171 $(srcdir)/../config/dfp.m4 \
172 $(srcdir)/../config/unwind_ipinfo.m4 \
173 $(srcdir)/../config/gthr.m4 \
174 $(srcdir)/../config/sjlj.m4 \
175 $(srcdir)/../config/cet.m4
177 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
178 cd $(srcdir) && $(AUTOCONF)
180 include $(gcc_objdir)/libgcc.mvars
182 # Flags to pass to recursive makes.
184 AR_FOR_TARGET = $(AR)
185 AR_FLAGS_FOR_TARGET =
186 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
187 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
188 AWK = @AWK@
189 GCC_FOR_TARGET = $(CC)
190 LIPO = @LIPO@
191 LIPO_FOR_TARGET = $(LIPO)
192 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
193 NM = @NM@
194 NM_FOR_TARGET = $(NM)
195 RANLIB_FOR_TARGET = $(RANLIB)
196 STRIP = @STRIP@
197 STRIP_FOR_TARGET = $(STRIP)
199 # Directory in which the compiler finds libraries etc.
200 libsubdir = $(libdir)/gcc/$(real_host_noncanonical)/$(version)@accel_dir_suffix@
201 # Used to install the shared libgcc.
202 slibdir = @slibdir@
203 # Maybe used for DLLs on Windows targets.
204 toolexecdir = @toolexecdir@
205 toolexeclibdir = @toolexeclibdir@
207 export AR_FOR_TARGET
208 export AR_CREATE_FOR_TARGET
209 export AR_FLAGS_FOR_TARGET
210 export AR_EXTRACT_FOR_TARGET
211 export AWK
212 export DESTDIR
213 export GCC_FOR_TARGET
214 export INCLUDES
215 export INSTALL_DATA
216 export LIB1ASMSRC
217 export LIBGCC2_CFLAGS
218 export LIPO_FOR_TARGET
219 export MACHMODE_H
220 export NM_FOR_TARGET
221 export STRIP_FOR_TARGET
222 export RANLIB_FOR_TARGET
223 export libsubdir
224 export slibdir
225 export toolexecdir
226 export toolexeclibdir
228 version := $(shell @get_gcc_base_ver@ $(srcdir)/../gcc/BASE-VER)
230 ifeq ($(decimal_float),yes)
231 ifeq ($(enable_decimal_float),bid)
232 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
233 else
234 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
235 -I$(srcdir)/../libdecnumber
236 endif
237 else
238 DECNUMINC =
239 endif
241 # Options to use when compiling libgcc2.a.
243 LIBGCC2_DEBUG_CFLAGS = -g
244 LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
245 $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \
246 -fbuilding-libgcc -fno-stack-protector \
247 $(INHIBIT_LIBC_CFLAGS)
249 # Additional options to use when compiling libgcc2.a.
250 # Some targets override this to -isystem include
251 LIBGCC2_INCLUDES =
253 # Additional target-dependent options for compiling libgcc2.a.
254 HOST_LIBGCC2_CFLAGS =
256 PICFLAG = @PICFLAG@
258 CET_FLAGS = @CET_FLAGS@
260 # Defined in libgcc2.c, included only in the static library.
261 LIB2FUNCS_ST = _eprintf __gcc_bcmp
263 # List of functions not to build from libgcc2.c.
264 LIB2FUNCS_EXCLUDE =
266 # List of extra C and assembler files to add to static and shared libgcc2.
267 # Assembler files should have names ending in `.S'.
268 LIB2ADD =
270 # List of extra C and assembler files to add to static libgcc2.
271 # Assembler files should have names ending in `.S'.
272 LIB2ADD_ST =
274 # Specify the directories to be searched for header files.
275 # Both . and srcdir are used, in that order,
276 # so that *config.h will be found in the compilation
277 # subdirectory rather than in the source directory.
278 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
279 # currently being compiled, in both source trees, to be examined as well.
280 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
281 -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
282 -I$(srcdir)/../include $(DECNUMINC)
284 # Forcibly remove any profiling-related flags. There is no point
285 # in supporting profiled bootstrap in this library.
286 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
288 # CFLAGS first is not perfect; normally setting CFLAGS should override any
289 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
290 # will usually contain -g, so for the moment CFLAGS goes first. We must
291 # include CFLAGS - that's where multilib options live.
292 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
293 $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
295 # Options to use when compiling crtbegin/end.
296 CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
297 $(NO_PIE_CFLAGS) -finhibit-size-directive -fno-inline -fno-exceptions \
298 -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
299 -fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \
300 $(INHIBIT_LIBC_CFLAGS)
302 # Extra flags to use when compiling crt{begin,end}.o.
303 CRTSTUFF_T_CFLAGS =
305 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
306 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
308 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
309 inst_libdir = $(libsubdir)$(MULTISUBDIR)
310 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
312 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
313 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
314 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
315 gcc_s_compile = $(gcc_compile) -DSHARED
317 objects = $(filter %$(objext),$^)
319 # Collect any host-specific information from Makefile fragments.
321 LIBGCC_VER_GNU_PREFIX = __
322 LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __
323 LIBGCC_VER_SYMBOLS_PREFIX =
325 FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
326 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
327 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
328 _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf
330 DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
331 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
332 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
333 _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
335 TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
336 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
337 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
338 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
340 # Additional sources to handle exceptions; overridden by targets as needed.
341 LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
342 $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
343 LIB2ADDEHSTATIC = $(LIB2ADDEH)
344 LIB2ADDEHSHARED = $(LIB2ADDEH)
346 # nm flags to list global symbols in libgcc object files.
347 SHLIB_NM_FLAGS = -pg
349 # Don't build libunwind by default.
350 LIBUNWIND =
351 SHLIBUNWIND_LINK =
352 SHLIBUNWIND_INSTALL =
355 # Create links to files specified in config.host.
356 LIBGCC_LINKS = enable-execute-stack.c unwind.h md-unwind-support.h \
357 sfp-machine.h gthr-default.h
359 enable-execute-stack.c: $(srcdir)/$(enable_execute_stack)
360 -$(LN_S) $< $@
361 unwind.h: $(srcdir)/$(unwind_header)
362 -$(LN_S) $< $@
363 md-unwind-support.h: $(srcdir)/config/$(md_unwind_header)
364 -$(LN_S) $< $@
365 sfp-machine.h: $(srcdir)/config/$(sfp_machine_header)
366 -$(LN_S) $< $@
367 gthr-default.h: $(srcdir)/$(thread_header)
368 -$(LN_S) $< $@
370 tmake_file = @tmake_file@
371 include $(srcdir)/empty.mk $(tmake_file)
373 # Collect target defines and headers from config.host.
374 libgcc_tm_defines = @tm_defines@
375 libgcc_tm_file = @tm_file@
376 libgcc_tm.h: libgcc_tm.stamp; @true
377 libgcc_tm.stamp:
378 DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \
379 $(srcdir)/mkheader.sh > tmp-libgcc_tm.h
380 $(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
381 echo timestamp > $@
383 # Only handle shared libraries if both:
384 # - the user requested them
385 # - we know how to build them
386 ifeq ($(SHLIB_LINK),)
387 enable_shared := no
388 endif
390 ifeq ($(enable_shared),yes)
391 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
393 install-shared = install-shared
395 ifneq ($(LIBUNWIND),)
396 install-libunwind = install-libunwind
397 endif
398 endif
400 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
401 # the command line, and a #define to prevent libgcc2.h etc from
402 # overriding that with #pragmas.
403 vis_hide = @vis_hide@
405 ifneq (,$(vis_hide))
407 # If we have -fvisibility=hidden, then we need to generate hide
408 # lists for object files implemented in assembly.
409 ASM_HIDDEN_OP = @asm_hidden_op@
411 define gen-hide-list
412 $(NM) -pg $< | \
413 $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
414 && $$3 !~ /.*@.*/ \
415 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
416 mv -f $@T $@
417 endef
418 else
419 gen-hide-list = echo > $@
420 endif
422 ifneq ($(enable_shared),yes)
423 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
424 endif
426 LIB2ADD += enable-execute-stack.c
428 # While emutls.c has nothing to do with EH, it is in LIB2ADDEH*
429 # instead of LIB2ADD because that's the way to be sure on some targets
430 # (e.g. *-*-darwin*) only one copy of it is linked.
431 LIB2ADDEH += $(srcdir)/emutls.c
432 LIB2ADDEHSTATIC += $(srcdir)/emutls.c
433 LIB2ADDEHSHARED += $(srcdir)/emutls.c
435 # Library members defined in libgcc2.c.
436 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
437 _clear_cache _trampoline __main _absvsi2 \
438 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
439 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
440 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
441 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
442 _mulhc3 _mulsc3 _muldc3 _mulxc3 _multc3 _divhc3 _divsc3 \
443 _divdc3 _divxc3 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 \
444 _clrsbdi2
446 # The floating-point conversion routines that involve a single-word integer.
447 # XX stands for the integer mode.
448 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
450 # Likewise double-word routines.
451 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
452 $(patsubst %,_fixuns%XX,sf df xf tf) \
453 $(patsubst %,_floatXX%,sf df xf tf) \
454 $(patsubst %,_floatunXX%,sf df xf tf)
456 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
457 lib2funcs += $(subst XX,si,$(swfloatfuncs))
458 lib2funcs += $(subst XX,di,$(dwfloatfuncs))
459 endif
461 # These might cause a divide overflow trap and so are compiled with
462 # unwinder info.
463 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _divmoddi4 \
464 _udivdi3 _umoddi3 _udivmoddi4 _udiv_w_sdiv
466 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
467 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
468 # in LIB2FUNCS_EXCLUDE.
469 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
470 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
471 $(LIB2_DIVMOD_FUNCS))
473 # Build "libgcc1" (assembly) components.
475 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
476 $(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis
477 $(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis
478 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
479 $(gen-hide-list)
480 libgcc-objects += $(lib1asmfuncs-o)
482 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
483 $(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC)
484 $(gcc_s_compile) -DL$* -xassembler-with-cpp -c $<
485 ifeq ($(enable_shared),yes)
487 libgcc-s-objects += $(lib1asmfuncs-s-o)
489 endif
491 # Build lib2funcs. For the static library also include LIB2FUNCS_ST.
492 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
493 $(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c
494 $(gcc_compile) -DL$* -c $< $(vis_hide)
495 libgcc-objects += $(lib2funcs-o)
497 ifeq ($(enable_shared),yes)
498 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
499 $(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c
500 $(gcc_s_compile) -DL$* -c $<
501 libgcc-s-objects += $(lib2funcs-s-o)
502 endif
504 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
505 # Build libgcc2.c for each conversion function, with a specific
506 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
507 # functions are built with a wordsize of 4; the TImode functions are
508 # built with the same labels, but a wordsize of 8.
510 sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
511 difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
512 tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
514 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
515 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
516 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
518 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
520 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
521 ifeq ($(enable_shared),yes)
522 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
523 endif
524 endif
526 ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
527 # Provide default flags for compiling divmod functions, if they haven't been
528 # set already by a target-specific Makefile fragment.
529 LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
530 endif
532 # Build LIB2_DIVMOD_FUNCS.
533 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
534 $(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c
535 $(gcc_compile) -DL$* -c $< \
536 $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide)
537 libgcc-objects += $(lib2-divmod-o)
539 ifeq ($(enable_shared),yes)
540 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
541 $(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c
542 $(gcc_s_compile) -DL$* -c $< \
543 $(LIB2_DIVMOD_EXCEPTION_FLAGS)
544 libgcc-s-objects += $(lib2-divmod-s-o)
545 endif
547 ifeq ($(TPBIT),)
548 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
549 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
550 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
551 endif
553 FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS))
554 DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS))
555 TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS))
557 fpbit-src := $(srcdir)/fp-bit.c
559 # Build FPBIT.
560 ifneq ($(FPBIT),)
561 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
562 $(fpbit-o): %$(objext): $(fpbit-src)
563 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide)
564 libgcc-objects += $(fpbit-o)
566 ifeq ($(enable_shared),yes)
567 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
568 $(fpbit-s-o): %_s$(objext): $(fpbit-src)
569 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $<
570 libgcc-s-objects += $(fpbit-s-o)
571 endif
572 endif
574 # Build DPBIT.
575 ifneq ($(DPBIT),)
576 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
577 $(dpbit-o): %$(objext): $(fpbit-src)
578 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide)
579 libgcc-objects += $(dpbit-o)
581 ifeq ($(enable_shared),yes)
582 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
583 $(dpbit-s-o): %_s$(objext): $(fpbit-src)
584 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $<
585 libgcc-s-objects += $(dpbit-s-o)
586 endif
587 endif
589 # Build TPBIT.
590 ifneq ($(TPBIT),)
591 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
592 $(tpbit-o): %$(objext): $(fpbit-src)
593 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide)
594 libgcc-objects += $(tpbit-o)
596 ifeq ($(enable_shared),yes)
597 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
598 $(tpbit-s-o): %_s$(objext): $(fpbit-src)
599 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $<
600 libgcc-s-objects += $(tpbit-s-o)
601 endif
602 endif
604 # Build decimal floating point support.
605 ifeq ($(decimal_float),yes)
607 # If $DFP_ENABLE is set, then we want all data type sizes.
608 ifneq ($(DFP_ENABLE),)
609 D32PBIT = 1
610 D64PBIT = 1
611 D128PBIT = 1
612 endif
614 dfp-filenames =
615 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
616 ifeq ($(enable_decimal_float),bid)
617 dfp-filenames += bid_decimal_globals bid_decimal_data \
618 bid_binarydecimal bid_convert_data \
619 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
620 bid128_noncomp bid128_fma bid_round bid_from_int \
621 bid64_add bid128_add bid64_div bid128_div \
622 bid64_mul bid128_mul bid64_compare bid128_compare \
623 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
624 bid64_to_int32 bid64_to_int64 \
625 bid64_to_uint32 bid64_to_uint64 \
626 bid128_to_int32 bid128_to_int64 \
627 bid128_to_uint32 bid128_to_uint64
628 else
629 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
630 endif
631 endif
633 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
634 ifeq ($(enable_decimal_float),bid)
635 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
636 else
637 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
638 endif
639 $(gcc_compile) -c $<
640 libgcc-objects += $(dfp-objects)
642 decbits-filenames =
643 ifneq ($(enable_decimal_float),bid)
644 ifneq ($(D32PBIT),)
645 decbits-filenames += decimal32
646 endif
648 ifneq ($(D64PBIT),)
649 decbits-filenames += decimal64
650 endif
652 ifneq ($(D128PBIT),)
653 decbits-filenames += decimal128
654 endif
655 endif
657 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
658 ifeq ($(enable_decimal_float),bid)
659 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
660 else
661 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
662 endif
663 $(gcc_compile) -c $<
664 libgcc-objects += $(decbits-objects)
666 # Next build individual support functions.
667 D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
668 _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
669 _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
670 _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
671 _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
672 _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
673 _sd_to_dd _sd_to_td _unord_sd _conv_sd
675 D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
676 _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
677 _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
678 _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
679 _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
680 _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
681 _dd_to_sd _dd_to_td _unord_dd _conv_dd
683 D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
684 _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
685 _td_to_si _td_to_di _td_to_usi _td_to_udi \
686 _si_to_td _di_to_td _usi_to_td _udi_to_td \
687 _td_to_sf _td_to_df _td_to_xf _td_to_tf \
688 _sf_to_td _df_to_td _xf_to_td _tf_to_td \
689 _td_to_sd _td_to_dd _unord_td _conv_td
691 ifeq ($(enable_decimal_float),bid)
692 ifneq ($(D32PBIT),)
693 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
694 endif
696 ifneq ($(D64PBIT),)
697 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
698 endif
700 ifneq ($(D128PBIT),)
701 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
702 endif
703 endif
705 ifneq ($(D32PBIT),)
706 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
707 ifeq ($(enable_decimal_float),bid)
708 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
709 else
710 $(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
711 endif
712 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
713 libgcc-objects += $(d32pbit-o)
714 endif
716 ifneq ($(D64PBIT),)
717 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
718 ifeq ($(enable_decimal_float),bid)
719 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
720 else
721 $(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
722 endif
723 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
724 libgcc-objects += $(d64pbit-o)
725 endif
727 ifneq ($(D128PBIT),)
728 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
729 ifeq ($(enable_decimal_float),bid)
730 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
731 else
732 $(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
733 endif
734 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
735 libgcc-objects += $(d128pbit-o)
736 endif
738 endif
740 ifeq ($(SYNC),yes)
741 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
742 sync_fetch_and_$(op) \
743 sync_$(op)_and_fetch) \
744 sync_bool_compare_and_swap \
745 sync_val_compare_and_swap \
746 sync_lock_test_and_set
748 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
749 $(foreach suffix, 1 2 4 8 16, \
750 $(prefix)_$(suffix)))
752 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
753 $(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c
754 $(gcc_compile) $(SYNC_CFLAGS) \
755 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
756 -DSIZE=`echo "$*" | sed 's/.*_//'` \
757 -c $< $(vis_hide)
758 libgcc-objects += $(libgcc-sync-size-funcs-o)
760 libgcc-sync-funcs := sync_synchronize
762 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
763 $(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c
764 $(gcc_compile) $(SYNC_CFLAGS) \
765 -DL$* \
766 -c $< $(vis_hide)
767 libgcc-objects += $(libgcc-sync-funcs-o)
769 ifeq ($(enable_shared),yes)
770 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
771 $(libgcc-sync-size-funcs))
772 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
773 $(gcc_s_compile) $(SYNC_CFLAGS) \
774 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
775 -DSIZE=`echo "$*" | sed 's/.*_//'` \
776 -c $<
777 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
779 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
780 $(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
781 $(gcc_s_compile) $(SYNC_CFLAGS) \
782 -DL$* \
783 -c $<
784 libgcc-s-objects += $(libgcc-sync-funcs-s-o)
785 endif
786 endif
788 # Build fixed-point support.
789 ifeq ($(fixed_point),yes)
791 # Generate permutations of function name and mode
792 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
793 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
794 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
796 # Generate the rules for each arithmetic function
797 iter-items := $(fixed-funcs)
798 iter-labels := $(fixed-labels)
799 iter-from := $(fixed-modes)
800 iter-to := $(fixed-modes)
801 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
803 # Add arithmetic functions to list of objects to be built
804 libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
805 ifeq ($(enable_shared),yes)
806 libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
807 endif
809 # Convert from or to fractional
810 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
811 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
812 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
813 fixed-conv-to := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
815 # Generate the make rules for each conversion function
816 iter-items := $(fixed-conv-funcs)
817 iter-labels := $(fixed-conv-labels)
818 iter-from := $(fixed-conv-from)
819 iter-to := $(fixed-conv-to)
820 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
822 # Add conversion functions to list of objects to be built
823 libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
824 ifeq ($(enable_shared),yes)
825 libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
826 endif
828 endif
830 # Build LIB2ADD and LIB2ADD_ST.
831 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
832 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
833 endif
835 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
836 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
838 c_flags :=
839 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
840 include $(iterator)
842 ifeq ($(enable_shared),yes)
843 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
844 endif
846 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
847 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
848 # LIB2ADDEHSHARED matter. (Usually all three are identical.)
850 c_flags := -fexceptions
852 ifeq ($(enable_shared),yes)
854 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
855 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
857 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
858 include $(iterator)
860 else
861 # Not shared. LIB2ADDEH are added to libgcc.a.
863 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
865 iter-items := $(LIB2ADDEH)
866 include $(iterator)
868 endif
870 # Build LIBUNWIND. Use -fno-exceptions so that the unwind library does
871 # not generate calls to __gcc_personality_v0.
873 c_flags := -fno-exceptions
875 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
877 ifeq ($(enable_shared),yes)
878 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
879 endif
881 iter-items := $(LIBUNWIND)
882 include $(iterator)
884 # Build libgcov components.
886 LIBGCOV_MERGE = _gcov_merge_add _gcov_merge_single \
887 _gcov_merge_ior _gcov_merge_time_profile _gcov_merge_icall_topn
888 LIBGCOV_PROFILER = _gcov_interval_profiler \
889 _gcov_interval_profiler_atomic \
890 _gcov_pow2_profiler \
891 _gcov_pow2_profiler_atomic \
892 _gcov_one_value_profiler \
893 _gcov_one_value_profiler_atomic \
894 _gcov_average_profiler \
895 _gcov_average_profiler_atomic \
896 _gcov_ior_profiler \
897 _gcov_ior_profiler_atomic \
898 _gcov_indirect_call_profiler_v2 \
899 _gcov_time_profiler \
900 _gcov_indirect_call_topn_profiler
901 LIBGCOV_INTERFACE = _gcov_dump _gcov_flush _gcov_fork \
902 _gcov_execl _gcov_execlp \
903 _gcov_execle _gcov_execv _gcov_execvp _gcov_execve _gcov_reset
904 LIBGCOV_DRIVER = _gcov
906 libgcov-merge-objects = $(patsubst %,%$(objext),$(LIBGCOV_MERGE))
907 libgcov-profiler-objects = $(patsubst %,%$(objext),$(LIBGCOV_PROFILER))
908 libgcov-interface-objects = $(patsubst %,%$(objext),$(LIBGCOV_INTERFACE))
909 libgcov-driver-objects = $(patsubst %,%$(objext),$(LIBGCOV_DRIVER))
910 libgcov-objects = $(libgcov-merge-objects) $(libgcov-profiler-objects) \
911 $(libgcov-interface-objects) $(libgcov-driver-objects)
913 $(libgcov-merge-objects): %$(objext): $(srcdir)/libgcov-merge.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
914 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-merge.c
915 $(libgcov-profiler-objects): %$(objext): $(srcdir)/libgcov-profiler.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
916 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-profiler.c
917 $(libgcov-interface-objects): %$(objext): $(srcdir)/libgcov-interface.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
918 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-interface.c
919 $(libgcov-driver-objects): %$(objext): $(srcdir)/libgcov-driver.c \
920 $(srcdir)/libgcov-driver-system.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
921 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-driver.c
924 # Static libraries.
925 libgcc.a: $(libgcc-objects)
926 libgcov.a: $(libgcov-objects)
927 libunwind.a: $(libunwind-objects)
928 libgcc_eh.a: $(libgcc-eh-objects)
930 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
931 -rm -f $@
933 objects="$(objects)"; \
934 if test -z "$$objects"; then \
935 echo 'int __libgcc_eh_dummy;' > eh_dummy.c; \
936 $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c \
937 -o eh_dummy$(objext); \
938 objects=eh_dummy$(objext); \
939 fi; \
940 $(AR_CREATE_FOR_TARGET) $@ $$objects
942 $(RANLIB) $@
944 all: libgcc.a libgcov.a
946 ifneq ($(LIBUNWIND),)
947 all: libunwind.a
948 endif
950 ifeq ($(enable_shared),yes)
951 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
952 ifneq ($(LIBUNWIND),)
953 all: libunwind$(SHLIB_EXT)
954 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
955 endif
957 # Map-file generation.
958 ifneq ($(SHLIB_MKMAP),)
959 libgcc.map.in: $(SHLIB_MAPFILES)
960 { cat $(SHLIB_MAPFILES) \
961 | sed -e '/^[ ]*#/d' \
962 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
963 | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
964 } > tmp-$@
965 mv tmp-$@ $@
966 libgcc.map: $(SHLIB_MKMAP) libgcc.map.in $(libgcc-s-objects)
967 { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
968 cat libgcc.map.in; \
969 } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
970 mv tmp-$@ $@
971 libgcc_s$(SHLIB_EXT): libgcc.map
972 mapfile = libgcc.map
973 endif
975 libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
976 sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
977 -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
979 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a
980 # @multilib_flags@ is still needed because this may use
981 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
982 # @multilib_dir@ is not really necessary, but sometimes it has
983 # more uses than just a directory name.
984 $(mkinstalldirs) $(MULTIDIR)
985 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
986 @multilib_dir@,$(MULTIDIR),$(subst \
987 @shlib_objs@,$(objects) libgcc.a,$(subst \
988 @shlib_base_name@,libgcc_s,$(subst \
989 @shlib_map_file@,$(mapfile),$(subst \
990 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
991 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
993 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
994 # @multilib_flags@ is still needed because this may use
995 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
996 # @multilib_dir@ is not really necessary, but sometimes it has
997 # more uses than just a directory name.
998 $(mkinstalldirs) $(MULTIDIR)
999 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
1000 @multilib_dir@,$(MULTIDIR),$(subst \
1001 @shlib_objs@,$(objects),$(subst \
1002 @shlib_base_name@,libunwind,$(subst \
1003 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
1005 endif
1007 # Build the standard GCC startfiles and endfiles.
1008 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
1009 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
1011 ifeq ($(CUSTOM_CRTSTUFF),)
1012 # Compile two additional files that are linked with every program
1013 # linked using GCC on systems using COFF or ELF, for the sake of C++
1014 # constructors.
1015 crtbegin$(objext): $(srcdir)/crtstuff.c
1016 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1018 crtend$(objext): $(srcdir)/crtstuff.c
1019 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1021 # These are versions of crtbegin and crtend for shared libraries.
1022 crtbeginS$(objext): $(srcdir)/crtstuff.c
1023 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O
1025 crtendS$(objext): $(srcdir)/crtstuff.c
1026 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O
1028 # This is a version of crtbegin for -static links.
1029 crtbeginT$(objext): $(srcdir)/crtstuff.c
1030 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O
1032 # crtoffloadbegin and crtoffloadend contain symbols, that mark the begin and
1033 # the end of tables with addresses, required for offloading. crtoffloadtable
1034 # contains the array with addresses of those symbols.
1035 crtoffloadbegin$(objext): $(srcdir)/offloadstuff.c
1036 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1038 crtoffloadend$(objext): $(srcdir)/offloadstuff.c
1039 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1041 crtoffloadtable$(objext): $(srcdir)/offloadstuff.c
1042 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_TABLE
1043 endif
1045 ifeq ($(enable_vtable_verify),yes)
1046 # These are used in vtable verification; see comments in source files for
1047 # more details.
1049 # Override -finhibit-size-directive to avoid mismatch between libgcc and libvtv
1050 # compilations.
1051 VTV_CFLAGS = $(CRTSTUFF_T_CFLAGS_S) -fno-inhibit-size-directive
1053 vtv_start$(objext): $(srcdir)/vtv_start.c
1054 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start.c
1056 vtv_end$(objext): $(srcdir)/vtv_end.c
1057 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end.c
1059 vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c
1060 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start_preinit.c
1062 vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c
1063 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end_preinit.c
1064 endif
1066 ifeq ($(CUSTOM_CRTIN),)
1067 # -x assembler-with-cpp is only needed on case-insensitive filesystem.
1068 crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S
1069 $(crt_compile) -c -x assembler-with-cpp $<
1071 crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S
1072 $(crt_compile) -c -x assembler-with-cpp $<
1073 endif
1075 # Build extra startfiles in the libgcc directory.
1076 .PHONY: libgcc-extra-parts
1077 libgcc-extra-parts: $(EXTRA_PARTS)
1079 # Early copyback; see "all" above for the rationale. The
1080 # early copy is necessary so that the gcc -B options find
1081 # the right startup files when linking shared libgcc.
1082 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
1083 parts="$(EXTRA_PARTS)"; \
1084 for file in $$parts; do \
1085 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
1086 $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \
1087 case $$file in \
1088 *.a) \
1089 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \
1090 esac; \
1091 done
1093 all: $(extra-parts)
1095 $(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \
1096 $(libgcov-objects) \
1097 $(libunwind-objects) $(libunwind-s-objects) \
1098 $(EXTRA_PARTS): $(LIBGCC_LINKS) libgcc_tm.h
1100 # Copy unwind.h to the place where gcc will look for it at build-time
1101 install-unwind_h-forbuild: unwind.h
1102 dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \
1103 cp unwind.h $$dest; \
1104 chmod a+r $$dest; \
1105 sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h
1107 # Copy unwind.h to the place where gcc will look at run-time, once installed
1109 # This is redundant with the internal copy above when using a regular toplevel
1110 # "install" target, because gcc's install will copy to the destination as well.
1112 # This is however useful for "install-no-fixincludes" case, when only the gcc
1113 # internal headers are copied by gcc's install.
1114 install-unwind_h:
1115 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1116 $(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include
1118 all: install-unwind_h-forbuild
1120 install-gcov_h:
1121 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1122 $(INSTALL_DATA) $(srcdir)/gcov.h $(DESTDIR)$(libsubdir)/include
1124 # Documentation targets (empty).
1125 .PHONY: info html dvi pdf install-info install-html install-pdf
1127 info:
1128 install-info:
1129 html:
1130 install-html:
1131 dvi:
1132 pdf:
1133 install-pdf:
1135 # Install rules. These do not depend on "all", so that they can be invoked
1136 # recursively from it.
1137 install-libunwind:
1138 $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
1140 # NOTE: Maybe this should go into $(inst_libdir), but this
1141 # is where the old mklibgcc.in put it.
1142 $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
1143 chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
1144 $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
1146 $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1147 @shlib_base_name@,libunwind,$(subst \
1148 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
1150 install-shared:
1151 $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1153 $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
1154 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1155 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1157 $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1158 @shlib_base_name@,libgcc_s,$(subst \
1159 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
1161 install-leaf: $(install-shared) $(install-libunwind)
1162 $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1164 $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
1165 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
1166 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
1167 $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
1168 chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
1169 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
1171 parts="$(INSTALL_PARTS)"; \
1172 for file in $$parts; do \
1173 rm -f $(DESTDIR)$(inst_libdir)/$$file; \
1174 $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/; \
1175 case $$file in \
1176 *.a) \
1177 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \
1178 esac; \
1179 done
1181 install: install-leaf install-unwind_h install-gcov_h
1182 @: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
1184 install-strip: install
1186 .PHONY: install install-shared install-libunwind install-strip
1187 .PHONY: install-unwind_h install-unwind_h-forbuild
1188 .PHONY: install-gcov_h
1190 # Don't export variables to the environment, in order to not confuse
1191 # configure.
1192 .NOEXPORT:
1194 include $(srcdir)/empty.mk $(wildcard *.dep)