3 # Copyright (C) 2005, 2006, 2009, 2010, 2011 Free Software Foundation
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)
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
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_srcdir
= $(libgcc_topdir
)/gcc
26 gcc_objdir
= $(MULTIBUILDTOP
)..
/..
/$(host_subdir
)/gcc
32 exec_prefix = @
exec_prefix@
34 shlib_slibdir
= @slibdir@
39 enable_shared
= @enable_shared@
40 decimal_float
= @decimal_float@
41 enable_decimal_float
= @enable_decimal_float@
42 fixed_point
= @fixed_point@
44 host_noncanonical
= @host_noncanonical@
45 target_noncanonical
= @target_noncanonical@
47 # List of extra object files that should be compiled for this target machine.
48 # The rules for compiling them should be in the t-* file for the machine.
49 EXTRA_PARTS
= @extra_parts@
51 # Multilib support variables.
60 INSTALL_PROGRAM
= @INSTALL_PROGRAM@
61 INSTALL_DATA
= @INSTALL_DATA@
62 mkinstalldirs
= $(SHELL
) $(libgcc_topdir
)/mkinstalldirs
74 PWD_COMMAND
= $${PWDCMD-pwd
}
76 # Flags to pass to a recursive make.
79 "AR_FLAGS=$(AR_FLAGS)" \
82 "DESTDIR=$(DESTDIR)" \
83 "EXTRA_OFILES=$(EXTRA_OFILES)" \
84 "HDEFINES=$(HDEFINES)" \
85 "INSTALL=$(INSTALL)" \
86 "INSTALL_DATA=$(INSTALL_DATA)" \
87 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
88 "LDFLAGS=$(LDFLAGS)" \
89 "LOADLIBES=$(LOADLIBES)" \
93 "exec_prefix=$(exec_prefix)" \
95 "libsubdir=$(libsubdir)" \
98 # Dependencies for "all" are set later in the file.
100 # Now that we have built all the objects, we need to copy
101 # them back to the GCC directory. Too many things (other
102 # in-tree libraries, and DejaGNU) know about the layout
103 # of the build tree, for now.
104 $(MAKE
) install-leaf DESTDIR
=$(gcc_objdir
) \
105 slibdir
= libsubdir
= MULTIOSDIR
=$(MULTIDIR
)
109 # If this is the top-level multilib, build all the other
111 @
: $(MAKE
) ; exec
$(MULTIDO
) $(FLAGS_TO_PASS
) multi-do DO
=all
113 .PHONY
: check installcheck
120 -rm -f config.h stamp-h stmp-ldirs libgcc.map
124 -rm -f libunwind
$(SHLIB_EXT
)
126 @
$(MULTICLEAN
) multi-clean DO
=clean
128 @
$(MULTICLEAN
) multi-clean DO
=distclean
129 -rm -f
*~ Makefile config.cache config.status multilib.out
131 maintainer-clean
realclean: distclean
133 Makefile
: $(srcdir)/Makefile.in config.status
134 CONFIG_FILES
=Makefile CONFIG_HEADERS
= $(SHELL
) .
/config.status
136 # Depending on Makefile makes sure that config.status has been re-run
137 # if needed. This prevents problems with parallel builds.
138 config.h
: stamp-h
; @true
139 stamp-h
: $(srcdir)/config.in config.status Makefile
140 CONFIG_FILES
= CONFIG_HEADERS
=config.h
:$(srcdir)/config.in
$(SHELL
) .
/config.status
142 config.status
: $(srcdir)/configure
$(srcdir)/config.host
143 $(SHELL
) .
/config.status
--recheck
147 $(srcdir)/..
/config
/enable.m4 \
148 $(srcdir)/..
/config
/tls.m4 \
149 $(srcdir)/..
/config
/acx.m4 \
150 $(srcdir)/..
/config
/no-executables.m4 \
151 $(srcdir)/..
/config
/override.m4 \
152 $(srcdir)/..
/config
/dfp.m4 \
154 $(srcdir)/configure
: @MAINT@
$(srcdir)/configure.ac
$(configure_deps
)
155 cd
$(srcdir) && $(AUTOCONF
)
157 include $(gcc_objdir
)/libgcc.mvars
159 # Flags to pass to recursive makes.
161 AR_FOR_TARGET
= $(AR
)
162 AR_FLAGS_FOR_TARGET
=
163 AR_CREATE_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) rc
164 AR_EXTRACT_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) x
166 GCC_FOR_TARGET
= $(CC
)
168 LIPO_FOR_TARGET
= $(LIPO
)
169 MACHMODE_H
= machmode.h mode-classes.def insn-modes.h
171 NM_FOR_TARGET
= $(NM
)
172 RANLIB_FOR_TARGET
= $(RANLIB
)
174 STRIP_FOR_TARGET
= $(STRIP
)
176 # Directory in which the compiler finds libraries etc.
177 libsubdir
= $(libdir)/gcc
/$(host_noncanonical
)/$(version
)
178 # Used to install the shared libgcc.
180 # Maybe used for DLLs on Windows targets.
181 toolexecdir
= @toolexecdir@
182 toolexeclibdir
= @toolexeclibdir@
185 export AR_CREATE_FOR_TARGET
186 export AR_FLAGS_FOR_TARGET
187 export AR_EXTRACT_FOR_TARGET
190 export GCC_FOR_TARGET
194 export LIBGCC2_CFLAGS
195 export LIPO_FOR_TARGET
198 export STRIP_FOR_TARGET
199 export RANLIB_FOR_TARGET
203 export toolexeclibdir
205 version
:= $(shell $(CC
) -dumpversion
)
207 ifeq ($(decimal_float
),yes
)
208 ifeq ($(enable_decimal_float
),bid
)
209 DECNUMINC
= -I
$(srcdir)/config
/libbid
-DENABLE_DECIMAL_BID_FORMAT
211 DECNUMINC
= -I
$(srcdir)/..
/libdecnumber
/$(enable_decimal_float
) \
212 -I
$(srcdir)/..
/libdecnumber
218 # Specify the directories to be searched for header files.
219 # Both . and srcdir are used, in that order,
220 # so that *config.h will be found in the compilation
221 # subdirectory rather than in the source directory.
222 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
223 # currently being compiled, in both source trees, to be examined as well.
224 INCLUDES
= -I.
-I
$(@D
) -I
$(gcc_objdir
) \
225 -I
$(srcdir) -I
$(srcdir)/$(@D
) -I
$(srcdir)/..
/gcc \
226 -I
$(srcdir)/..
/include $(DECNUMINC
)
228 # Forcibly remove any profiling-related flags. There is no point
229 # in supporting profiled bootstrap in this library.
230 override CFLAGS
:= $(filter-out -fprofile-generate
-fprofile-use
,$(CFLAGS
))
232 # CFLAGS first is not perfect; normally setting CFLAGS should override any
233 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
234 # will usually contain -g, so for the moment CFLAGS goes first. We must
235 # include CFLAGS - that's where multilib options live.
236 INTERNAL_CFLAGS
= $(CFLAGS
) $(LIBGCC2_CFLAGS
) $(HOST_LIBGCC2_CFLAGS
) \
237 $(INCLUDES
) @set_have_cc_tls@ @set_use_emutls@
239 MULTIDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-directory
)
240 MULTIOSDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-os-directory
)
242 MULTIOSSUBDIR
:= $(shell if
test $(MULTIOSDIR
) != .
; then echo
/$(MULTIOSDIR
); fi
)
243 inst_libdir
= $(libsubdir
)$(MULTISUBDIR
)
244 inst_slibdir
= $(slibdir
)$(MULTIOSSUBDIR
)
246 gcc_compile_bare
= $(CC
) $(INTERNAL_CFLAGS
)
247 compile_deps
= -MT
$@
-MD
-MP
-MF
$(basename $@
).dep
248 gcc_compile
= $(gcc_compile_bare
) -o
$@
$(compile_deps
)
249 gcc_s_compile
= $(gcc_compile
) -DSHARED
251 objects
= $(filter %$(objext
),$^
)
253 # Collect any host-specific information from Makefile fragments.
255 LIBGCC_VER_GNU_PREFIX
= __
256 LIBGCC_VER_FIXEDPOINT_GNU_PREFIX
= __
257 LIBGCC_VER_SYMBOLS_PREFIX
=
259 tmake_file
= @tmake_file@
260 include $(srcdir)/empty.mk
$(tmake_file
)
262 # Only handle shared libraries if both:
263 # - the user requested them
264 # - we know how to build them
265 ifeq ($(SHLIB_LINK
),)
269 ifeq ($(enable_shared
),yes
)
270 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/shared-object.mk
,$(iter-items
))
272 install-shared
= install-shared
274 ifneq ($(LIBUNWIND
),)
275 install-libunwind
= install-libunwind
278 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
279 # the command line, and a #define to prevent libgcc2.h etc from
280 # overriding that with #pragmas.
281 vis_hide
= @vis_hide@
285 # If we have -fvisibility=hidden, then we need to generate hide
286 # lists for object files implemented in assembly.
287 ASM_HIDDEN_OP
= @asm_hidden_op@
291 $(AWK
) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
293 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
297 gen-hide-list
= echo
> $@
302 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/static-object.mk
,$(iter-items
))
304 gen-hide-list
= echo
> \
$@
307 ifneq ($(EXTRA_PARTS
),)
308 extra-parts
= libgcc-extra-parts
309 INSTALL_PARTS
= $(EXTRA_PARTS
)
311 ifneq ($(GCC_EXTRA_PARTS
),)
312 extra-parts
= gcc-extra-parts
313 INSTALL_PARTS
= $(GCC_EXTRA_PARTS
)
317 LIB2ADD
+= enable-execute-stack.c
319 # Library members defined in libgcc2.c.
320 lib2funcs
= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
321 _clear_cache _trampoline __main _absvsi2 \
322 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
323 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
324 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
325 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
326 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3 \
327 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 _clrsbdi2
329 # The floating-point conversion routines that involve a single-word integer.
330 # XX stands for the integer mode.
331 swfloatfuncs
= $(patsubst %,_fixuns
%XX
,sf df xf
)
333 # Likewise double-word routines.
334 dwfloatfuncs
= $(patsubst %,_fix
%XX
,sf df xf tf
) \
335 $(patsubst %,_fixuns
%XX
,sf df xf tf
) \
336 $(patsubst %,_floatXX
%,sf df xf tf
) \
337 $(patsubst %,_floatunXX
%,sf df xf tf
)
339 ifeq ($(LIB2_SIDITI_CONV_FUNCS
),)
340 lib2funcs
+= $(subst XX
,si
,$(swfloatfuncs
))
341 lib2funcs
+= $(subst XX
,di
,$(dwfloatfuncs
))
344 # These might cause a divide overflow trap and so are compiled with
346 LIB2_DIVMOD_FUNCS
= _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
348 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
349 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
350 # in LIB2FUNCS_EXCLUDE.
351 lib2funcs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
),$(lib2funcs
))
352 LIB2_DIVMOD_FUNCS
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
), \
353 $(LIB2_DIVMOD_FUNCS
))
355 # Build "libgcc1" (assembly) components.
356 ifeq ($(enable_shared
),yes
)
358 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
359 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
) %.vis
360 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
361 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
) -include $*.vis
362 $(patsubst %,%.vis
,$(LIB1ASMFUNCS
)): %.vis
: %_s
$(objext
)
364 libgcc-objects
+= $(lib1asmfuncs-o
)
366 lib1asmfuncs-s-o
= $(patsubst %,%_s
$(objext
),$(LIB1ASMFUNCS
))
367 $(lib1asmfuncs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
368 $(gcc_s_compile
) -DL
$* -xassembler-with-cpp \
369 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
370 libgcc-s-objects
+= $(lib1asmfuncs-s-o
)
374 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
375 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
376 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
377 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
378 libgcc-objects
+= $(lib1asmfuncs-o
)
382 # Build lib2funcs. For the static library also include LIB2FUNCS_ST.
383 lib2funcs-o
= $(patsubst %,%$(objext
),$(lib2funcs
) $(LIB2FUNCS_ST
))
384 $(lib2funcs-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
385 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
387 libgcc-objects
+= $(lib2funcs-o
)
389 ifeq ($(enable_shared
),yes
)
390 lib2funcs-s-o
= $(patsubst %,%_s
$(objext
),$(lib2funcs
))
391 $(lib2funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
392 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c
393 libgcc-s-objects
+= $(lib2funcs-s-o
)
396 ifneq ($(LIB2_SIDITI_CONV_FUNCS
),)
397 # Build libgcc2.c for each conversion function, with a specific
398 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
399 # functions are built with a wordsize of 4; the TImode functions are
400 # built with the same labels, but a wordsize of 8.
402 sifuncs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
),$(subst XX
,si
,$(swfloatfuncs
)))
403 difuncs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
),$(subst XX
,di
,$(dwfloatfuncs
)))
404 tifuncs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
),$(subst XX
,ti
,$(dwfloatfuncs
)))
406 iter-items
:= $(sifuncs
) $(difuncs
) $(tifuncs
)
407 iter-labels
:= $(sifuncs
) $(difuncs
) $(difuncs
)
408 iter-sizes
:= $(patsubst %,4,$(sifuncs
) $(difuncs
)) $(patsubst %,8,$(tifuncs
))
410 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/siditi-object.mk
,$(iter-items
))
412 libgcc-objects
+= $(patsubst %,%$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
413 ifeq ($(enable_shared
),yes
)
414 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
418 # Build LIB2_DIVMOD_FUNCS.
419 lib2-divmod-o
= $(patsubst %,%$(objext
),$(LIB2_DIVMOD_FUNCS
))
420 $(lib2-divmod-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
421 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
422 -fexceptions
-fnon-call-exceptions
$(vis_hide
)
423 libgcc-objects
+= $(lib2-divmod-o
)
425 ifeq ($(enable_shared
),yes
)
426 lib2-divmod-s-o
= $(patsubst %,%_s
$(objext
),$(LIB2_DIVMOD_FUNCS
))
427 $(lib2-divmod-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
428 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
429 -fexceptions
-fnon-call-exceptions
430 libgcc-s-objects
+= $(lib2-divmod-s-o
)
433 # $(FPBIT) et al. are pathnames relative to the GCC build
434 # directory; the supporting files are made by the GCC
436 # FIXME: Soon we will be able to move this logic into this directory.
438 ifneq ($(fpbit-in-libgcc
),yes
)
439 FPBIT
:=$(if
$(FPBIT
),$(gcc_objdir
)/$(FPBIT
),)
440 DPBIT
:=$(if
$(DPBIT
),$(gcc_objdir
)/$(DPBIT
),)
441 TPBIT
:=$(if
$(TPBIT
),$(gcc_objdir
)/$(TPBIT
),)
445 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
446 FPBIT_FUNCS
:= $(filter-out _sf_to_tf
,$(FPBIT_FUNCS
))
447 DPBIT_FUNCS
:= $(filter-out _df_to_tf
,$(DPBIT_FUNCS
))
452 fpbit-o
= $(patsubst %,%$(objext
),$(FPBIT_FUNCS
))
453 $(fpbit-o
): %$(objext
): $(FPBIT
)
454 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
) $(vis_hide
)
455 libgcc-objects
+= $(fpbit-o
)
457 ifeq ($(enable_shared
),yes
)
458 fpbit-s-o
= $(patsubst %,%_s
$(objext
),$(FPBIT_FUNCS
))
459 $(fpbit-s-o
): %_s
$(objext
): $(FPBIT
)
460 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
)
461 libgcc-s-objects
+= $(fpbit-s-o
)
467 dpbit-o
= $(patsubst %,%$(objext
),$(DPBIT_FUNCS
))
468 $(dpbit-o
): %$(objext
): $(DPBIT
)
469 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
) $(vis_hide
)
470 libgcc-objects
+= $(dpbit-o
)
472 ifeq ($(enable_shared
),yes
)
473 dpbit-s-o
= $(patsubst %,%_s
$(objext
),$(DPBIT_FUNCS
))
474 $(dpbit-s-o
): %_s
$(objext
): $(DPBIT
)
475 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
)
476 libgcc-s-objects
+= $(dpbit-s-o
)
482 tpbit-o
= $(patsubst %,%$(objext
),$(TPBIT_FUNCS
))
483 $(tpbit-o
): %$(objext
): $(TPBIT
)
484 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
) $(vis_hide
)
485 libgcc-objects
+= $(tpbit-o
)
487 ifeq ($(enable_shared
),yes
)
488 tpbit-s-o
= $(patsubst %,%_s
$(objext
),$(TPBIT_FUNCS
))
489 $(tpbit-s-o
): %_s
$(objext
): $(TPBIT
)
490 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
)
491 libgcc-s-objects
+= $(tpbit-s-o
)
495 # Build decimal floating point support.
496 ifeq ($(decimal_float
),yes
)
498 # If $DFP_ENABLE is set, then we want all data type sizes.
499 ifneq ($(DFP_ENABLE
),)
506 ifneq ($(D32PBIT
)$(D64PBIT
)$(D128PBIT
),)
507 ifeq ($(enable_decimal_float
),bid
)
508 dfp-filenames
+= bid_decimal_globals bid_decimal_data \
509 bid_binarydecimal bid_convert_data \
510 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
511 bid128_noncomp bid128_fma bid_round bid_from_int \
512 bid64_add bid128_add bid64_div bid128_div \
513 bid64_mul bid128_mul bid64_compare bid128_compare \
514 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
515 bid64_to_int32 bid64_to_int64 \
516 bid64_to_uint32 bid64_to_uint64 \
517 bid128_to_int32 bid128_to_int64 \
518 bid128_to_uint32 bid128_to_uint64
520 dfp-filenames
+= decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
524 dfp-objects
= $(patsubst %,%$(objext
),$(dfp-filenames
))
525 ifeq ($(enable_decimal_float
),bid
)
526 $(dfp-objects
): %$(objext
): $(srcdir)/config
/libbid
/%.c
528 $(dfp-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/%.c
531 libgcc-objects
+= $(dfp-objects
)
534 ifneq ($(enable_decimal_float
),bid
)
536 decbits-filenames
+= decimal32
540 decbits-filenames
+= decimal64
544 decbits-filenames
+= decimal128
548 decbits-objects
= $(patsubst %,%$(objext
),$(decbits-filenames
))
549 ifeq ($(enable_decimal_float
),bid
)
550 $(decbits-objects
): %$(objext
): $(srcdir)/config
/libbid
/%.c
552 $(decbits-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/$(enable_decimal_float
)/%.c
555 libgcc-objects
+= $(decbits-objects
)
557 # Next build individual support functions.
558 D32PBIT_FUNCS
= _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
559 _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
560 _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
561 _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
562 _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
563 _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
564 _sd_to_dd _sd_to_td _unord_sd _conv_sd
566 D64PBIT_FUNCS
= _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
567 _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
568 _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
569 _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
570 _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
571 _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
572 _dd_to_sd _dd_to_td _unord_dd _conv_dd
574 D128PBIT_FUNCS
= _addsub_td _div_td _mul_td _plus_td _minus_td \
575 _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
576 _td_to_si _td_to_di _td_to_usi _td_to_udi \
577 _si_to_td _di_to_td _usi_to_td _udi_to_td \
578 _td_to_sf _td_to_df _td_to_xf _td_to_tf \
579 _sf_to_td _df_to_td _xf_to_td _tf_to_td \
580 _td_to_sd _td_to_dd _unord_td _conv_td
582 ifeq ($(enable_decimal_float
),bid
)
584 D32PBIT_FUNCS
:=$(filter-out _plus_sd _minus_sd _conv_sd
, $(D32PBIT_FUNCS
))
588 D64PBIT_FUNCS
:=$(filter-out _plus_dd _minus_dd _conv_dd
, $(D64PBIT_FUNCS
))
592 D128PBIT_FUNCS
:=$(filter-out _plus_td _minus_td _conv_td
, $(D128PBIT_FUNCS
))
597 d32pbit-o
= $(patsubst %,%$(objext
),$(D32PBIT_FUNCS
))
598 ifeq ($(enable_decimal_float
),bid
)
599 $(d32pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
601 $(d32pbit-o
): %$(objext
): $(srcdir)/dfp-bit.c
603 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=32 -c
$<
604 libgcc-objects
+= $(d32pbit-o
)
608 d64pbit-o
= $(patsubst %,%$(objext
),$(D64PBIT_FUNCS
))
609 ifeq ($(enable_decimal_float
),bid
)
610 $(d64pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
612 $(d64pbit-o
): %$(objext
): $(srcdir)/dfp-bit.c
614 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=64 -c
$<
615 libgcc-objects
+= $(d64pbit-o
)
619 d128pbit-o
= $(patsubst %,%$(objext
),$(D128PBIT_FUNCS
))
620 ifeq ($(enable_decimal_float
),bid
)
621 $(d128pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
623 $(d128pbit-o
): %$(objext
): $(srcdir)/dfp-bit.c
625 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=128 -c
$<
626 libgcc-objects
+= $(d128pbit-o
)
631 ifeq ($(LIBGCC_SYNC
),yes
)
632 libgcc-sync-size-funcs
:= $(foreach op
, add sub or and xor nand
, \
633 sync_fetch_and_
$(op
) \
634 sync_
$(op
)_and_fetch
) \
635 sync_bool_compare_and_swap \
636 sync_val_compare_and_swap \
637 sync_lock_test_and_set
639 libgcc-sync-size-funcs
:= $(foreach prefix, $(libgcc-sync-size-funcs
), \
640 $(foreach suffix, 1 2 4 8 16, \
641 $(prefix)_
$(suffix)))
643 libgcc-sync-size-funcs-o
= $(patsubst %,%$(objext
),$(libgcc-sync-size-funcs
))
644 $(libgcc-sync-size-funcs-o
): %$(objext
): $(gcc_srcdir
)/config
/sync.c
645 $(gcc_compile
) $(LIBGCC_SYNC_CFLAGS
) \
646 -DFN
=`echo "$*" | sed 's/_[^_]*$$//'` \
647 -DSIZE
=`echo "$*" | sed 's/.*_//'` \
648 -c
$(gcc_srcdir
)/config
/sync.c
$(vis_hide
)
649 libgcc-objects
+= $(libgcc-sync-size-funcs-o
)
651 libgcc-sync-funcs
:= sync_synchronize
653 libgcc-sync-funcs-o
= $(patsubst %,%$(objext
),$(libgcc-sync-funcs
))
654 $(libgcc-sync-funcs-o
): %$(objext
): $(gcc_srcdir
)/config
/sync.c
655 $(gcc_compile
) $(LIBGCC_SYNC_CFLAGS
) \
657 -c
$(gcc_srcdir
)/config
/sync.c
$(vis_hide
)
658 libgcc-objects
+= $(libgcc-sync-funcs-o
)
660 ifeq ($(enable_shared
),yes
)
661 libgcc-sync-size-funcs-s-o
= $(patsubst %,%_s
$(objext
), \
662 $(libgcc-sync-size-funcs
))
663 $(libgcc-sync-size-funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/sync.c
664 $(gcc_s_compile
) $(LIBGCC_SYNC_CFLAGS
) \
665 -DFN
=`echo "$*" | sed 's/_[^_]*$$//'` \
666 -DSIZE
=`echo "$*" | sed 's/.*_//'` \
667 -c
$(gcc_srcdir
)/config
/sync.c
668 libgcc-s-objects
+= $(libgcc-sync-size-funcs-s-o
)
670 libgcc-sync-funcs-s-o
= $(patsubst %,%_s
$(objext
),$(libgcc-sync-funcs
))
671 $(libgcc-sync-funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/sync.c
672 $(gcc_s_compile
) $(LIBGCC_SYNC_CFLAGS
) \
674 -c
$(gcc_srcdir
)/config
/sync.c
675 libgcc-s-objects
+= $(libgcc-sync-funcs-s-o
)
679 # Build fixed-point support.
680 ifeq ($(fixed_point
),yes
)
682 # Generate permutations of function name and mode
683 fixed-labels
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith labels
)
684 fixed-funcs
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith funcs
)
685 fixed-modes
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith modes
)
687 # Generate the rules for each arithmetic function
688 iter-items
:= $(fixed-funcs
)
689 iter-labels
:= $(fixed-labels
)
690 iter-from
:= $(fixed-modes
)
691 iter-to
:= $(fixed-modes
)
692 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/fixed-obj.mk
,$(iter-items
))
694 # Add arithmetic functions to list of objects to be built
695 libgcc-objects
+= $(patsubst %,%$(objext
),$(fixed-funcs
))
696 ifeq ($(enable_shared
),yes
)
697 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(fixed-funcs
))
700 # Convert from or to fractional
701 fixed-conv-funcs
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv funcs
)
702 fixed-conv-labels
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv labels
)
703 fixed-conv-from
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv from
)
704 fixed-conv-to
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv to
)
706 # Generate the make rules for each conversion function
707 iter-items
:= $(fixed-conv-funcs
)
708 iter-labels
:= $(fixed-conv-labels
)
709 iter-from
:= $(fixed-conv-from
)
710 iter-to
:= $(fixed-conv-to
)
711 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/fixed-obj.mk
,$(iter-items
))
713 # Add conversion functions to list of objects to be built
714 libgcc-objects
+= $(patsubst %,%$(objext
),$(fixed-conv-funcs
))
715 ifeq ($(enable_shared
),yes
)
716 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(fixed-conv-funcs
))
721 # Build LIB2ADD and LIB2ADD_ST.
722 ifneq ($(filter-out %.c
%.S
%.asm
,$(LIB2ADD
) $(LIB2ADD_ST
)),)
723 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.
)
726 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD
))))
727 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD_ST
))))
730 iter-items
:= $(LIB2ADD
) $(LIB2ADD_ST
)
733 ifeq ($(enable_shared
),yes
)
734 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADD
))))
737 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
738 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
739 # LIB2ADDEHSHARED matter. (Usually all three are identical.)
741 c_flags
:= -fexceptions
743 ifeq ($(enable_shared
),yes
)
745 libgcc-eh-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEHSTATIC
))))
746 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADDEHSHARED
))))
748 iter-items
:= $(sort $(LIB2ADDEHSTATIC
) $(LIB2ADDEHSHARED
))
752 # Not shared. LIB2ADDEH are added to libgcc.a.
754 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEH
))))
756 iter-items
:= $(LIB2ADDEH
)
763 c_flags
:= -fexceptions
765 libunwind-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIBUNWIND
))))
767 ifeq ($(enable_shared
),yes
)
768 libunwind-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIBUNWIND
))))
771 iter-items
:= $(LIBUNWIND
)
774 # Build libgcov components.
776 # Defined in libgcov.c, included only in gcov library
777 LIBGCOV
= _gcov _gcov_merge_add _gcov_merge_single _gcov_merge_delta \
778 _gcov_fork _gcov_execl _gcov_execlp _gcov_execle \
779 _gcov_execv _gcov_execvp _gcov_execve \
780 _gcov_interval_profiler _gcov_pow2_profiler _gcov_one_value_profiler \
781 _gcov_indirect_call_profiler _gcov_average_profiler _gcov_ior_profiler \
784 libgcov-objects
= $(patsubst %,%$(objext
),$(LIBGCOV
))
786 $(libgcov-objects
): %$(objext
): $(srcdir)/libgcov.c
787 $(gcc_compile
) -DL
$* -c
$(srcdir)/libgcov.c
791 libgcc.a
: $(libgcc-objects
)
792 libgcov.a
: $(libgcov-objects
)
793 libunwind.a
: $(libunwind-objects
)
794 libgcc_eh.a
: $(libgcc-eh-objects
)
796 libgcc.a libgcov.a libunwind.a libgcc_eh.a
:
799 objects
="$(objects)"; \
800 if
test -z
"$$objects"; then \
801 echo
'int __libgcc_eh_dummy;' > eh_dummy.c
; \
802 $(gcc_compile_bare
) $(vis_hide
) -c eh_dummy.c \
803 -o eh_dummy
$(objext
); \
804 objects
=eh_dummy
$(objext
); \
806 $(AR_CREATE_FOR_TARGET
) $@
$$objects
810 all: libgcc.a libgcov.a
812 ifneq ($(LIBUNWIND
),)
814 libgcc_s
$(SHLIB_EXT
): libunwind
$(SHLIB_EXT
)
817 ifeq ($(enable_shared
),yes
)
818 all: libgcc_eh.a libgcc_s
$(SHLIB_EXT
)
819 ifneq ($(LIBUNWIND
),)
820 all: libunwind
$(SHLIB_EXT
)
824 ifeq ($(enable_shared
),yes
)
826 # Map-file generation.
827 ifneq ($(SHLIB_MKMAP
),)
828 libgcc.map
: $(SHLIB_MKMAP
) $(SHLIB_MAPFILES
) $(libgcc-s-objects
)
829 { $(NM
) $(SHLIB_NM_FLAGS
) $(libgcc-s-objects
); echo
%%; \
830 cat
$(SHLIB_MAPFILES
) \
831 | sed
-e
'/^[ ]*#/d' \
832 -e
's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
833 |
$(gcc_compile_bare
) -E
-xassembler-with-cpp
-; \
834 } |
$(AWK
) -f
$(SHLIB_MKMAP
) $(SHLIB_MKMAP_OPTS
) > tmp-
$@
836 libgcc_s
$(SHLIB_EXT
): libgcc.map
840 libgcc-std.ver
: $(srcdir)/libgcc-std.ver.in
841 sed
-e
's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
842 -e
's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
844 libgcc_s
$(SHLIB_EXT
): $(libgcc-s-objects
) $(extra-parts
)
845 # @multilib_flags@ is still needed because this may use
846 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
847 # @multilib_dir@ is not really necessary, but sometimes it has
848 # more uses than just a directory name.
849 $(mkinstalldirs
) $(MULTIDIR
)
850 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
851 @multilib_dir@
,$(MULTIDIR
),$(subst \
852 @shlib_objs@
,$(objects
),$(subst \
853 @shlib_base_name@
,libgcc_s
,$(subst \
854 @shlib_map_file@
,$(mapfile
),$(subst \
855 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(subst \
856 @shlib_slibdir@
,$(shlib_slibdir
),$(SHLIB_LINK
))))))))
858 libunwind
$(SHLIB_EXT
): $(libunwind-s-objects
) $(extra-parts
)
859 # @multilib_flags@ is still needed because this may use
860 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
861 # @multilib_dir@ is not really necessary, but sometimes it has
862 # more uses than just a directory name.
863 $(mkinstalldirs
) $(MULTIDIR
)
864 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
865 @multilib_dir@
,$(MULTIDIR
),$(subst \
866 @shlib_objs@
,$(objects
),$(subst \
867 @shlib_base_name@
,libunwind
,$(subst \
868 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_LINK
))))))
872 # Build the standard GCC startfiles and endfiles.
873 ALL_CRT_CFLAGS
= $(CFLAGS
) $(CRTSTUFF_CFLAGS
) $(INCLUDES
)
874 crt_compile
= $(CC
) $(ALL_CRT_CFLAGS
) -o
$@
$(compile_deps
)
876 ifeq ($(CUSTOM_CRTSTUFF
),)
877 crtbegin
$(objext
): $(gcc_srcdir
)/crtstuff.c
878 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
879 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
881 crtend
$(objext
): $(gcc_srcdir
)/crtstuff.c
882 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
883 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
885 # These are versions of crtbegin and crtend for shared libraries.
886 crtbeginS
$(objext
): $(gcc_srcdir
)/crtstuff.c
887 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
888 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFS_O
890 crtendS
$(objext
): $(gcc_srcdir
)/crtstuff.c
891 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
892 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
-DCRTSTUFFS_O
894 # This is a version of crtbegin for -static links.
895 crtbeginT.o
: $(gcc_srcdir
)/crtstuff.c
896 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
897 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFT_O
900 # Build extra startfiles in the libgcc directory.
901 .PHONY
: libgcc-extra-parts
902 libgcc-extra-parts
: $(EXTRA_PARTS
)
903 ifneq ($(GCC_EXTRA_PARTS
),)
904 ifneq ($(sort $(EXTRA_PARTS
)),$(GCC_EXTRA_PARTS
))
905 # If the gcc directory specifies which extra parts to
906 # build for this target, and the libgcc configuration also
907 # specifies, make sure they match. This can be removed
908 # when the gcc directory no longer holds libgcc configuration;
909 # it is useful when migrating a target.
910 @echo
"Configuration mismatch!"
911 @echo
"Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
912 @echo
"Extra parts from libgcc: $(EXTRA_PARTS)"
917 # Early copyback; see "all" above for the rationale. The
918 # early copy is necessary so that the gcc -B options find
919 # the right startup files when linking shared libgcc.
920 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
921 parts
="$(EXTRA_PARTS)"; \
922 for file in
$$parts; do \
923 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
924 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
927 $(RANLIB
) $(gcc_objdir
)$(MULTISUBDIR
)/$$file ;; \
931 # Build extra startfiles in the gcc directory, for unconverted
933 .PHONY
: gcc-extra-parts
935 # Recursively invoke make in the GCC directory to build any
936 # startfiles (for now). We must do this just once, passing
937 # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
938 # so that rules which cannot execute simultaneously are properly
939 # serialized. We indirect through T_TARGET in case any multilib
940 # directories contain an equals sign, to prevent make from
941 # interpreting any of the goals as variable assignments.
943 # We must use cd && make rather than make -C, or else the stage
944 # number will be embedded in debug information.
946 T
=`$(PWD_COMMAND)`/ \
947 && cd
$(gcc_objdir
) \
948 && $(MAKE
) GCC_FOR_TARGET
="$(CC)" \
949 MULTILIB_CFLAGS
="$(CFLAGS)" \
951 T_TARGET
="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
954 # Early copyback; see "all" above for the rationale. The
955 # early copy is necessary so that the gcc -B options find
956 # the right startup files when linking shared libgcc.
957 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
958 parts
="$(GCC_EXTRA_PARTS)"; \
959 for file in
$$parts; do \
960 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
961 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
964 $(RANLIB
) $(gcc_objdir
)$(MULTISUBDIR
)/$$file ;; \
970 # Documentation targets (empty).
971 .PHONY
: info html
dvi pdf install-info install-html install-pdf
981 # Install rules. These do not depend on "all", so that they can be invoked
982 # recursively from it.
984 $(mkinstalldirs
) $(DESTDIR
)$(inst_slibdir
)
986 # NOTE: Maybe this should go into $(inst_libdir), but this
987 # is where the old mklibgcc.in put it.
988 $(INSTALL_DATA
) libunwind.a
$(DESTDIR
)$(inst_slibdir
)/
989 chmod
644 $(DESTDIR
)$(inst_slibdir
)/libunwind.a
990 $(RANLIB
) $(DESTDIR
)$(inst_slibdir
)/libunwind.a
992 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
993 @shlib_base_name@
,libunwind
,$(subst \
994 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_INSTALL
))))
997 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
999 $(INSTALL_DATA
) libgcc_eh.a
$(DESTDIR
)$(inst_libdir
)/
1000 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
1001 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
1003 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
1004 @shlib_base_name@
,libgcc_s
,$(subst \
1005 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIB_INSTALL
))))
1007 install-leaf
: $(install-shared
) $(install-libunwind
)
1008 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
1010 $(INSTALL_DATA
) libgcc.a
$(DESTDIR
)$(inst_libdir
)/
1011 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc.a
1012 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc.a
1013 $(INSTALL_DATA
) libgcov.a
$(DESTDIR
)$(inst_libdir
)/
1014 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcov.a
1015 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcov.a
1017 parts
="$(INSTALL_PARTS)"; \
1018 for file in
$$parts; do \
1019 rm -f
$(DESTDIR
)$(inst_libdir
)/$$file; \
1020 $(INSTALL_DATA
) $$file $(DESTDIR
)$(inst_libdir
)/; \
1023 $(RANLIB
) $(gcc_objdir
)$(MULTISUBDIR
)/$$file ;; \
1027 install: install-leaf
1028 @
: $(MAKE
) ; $(MULTIDO
) $(FLAGS_TO_PASS
) multi-do DO
=install
1030 install-strip
: install
1032 .PHONY
: install install-shared install-libunwind install-strip
1034 # Don't export variables to the environment, in order to not confuse
1038 include $(srcdir)/empty.mk
$(wildcard *.dep
)
1041 # Garbage collect in gcc/:
1042 # $(LIBGCC) settings in t-* are now unused
1044 # Remove use of $(gcc_srcdir). Source files referenced using $(gcc_srcdir)
1045 # should move into the libgcc directory.