1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
|
# Makefile.in
# Copyright (C) 2005, 2006 Free Software Foundation
#
# This file is part of GCC.
#
# GCC is free software; you can redistribute it and/or modify it under the
# terms of the GNU Library General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# GCC is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along
# with GCC; see the file COPYING. If not, write to the Free Software
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
# USA.
#
libgcc_topdir = @libgcc_topdir@
host_subdir = @host_subdir@
gcc_srcdir = $(libgcc_topdir)/gcc
gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
srcdir = @srcdir@
prefix = @prefix@
exec_prefix = @exec_prefix@
libdir = @libdir@
shlib_slibdir = @slibdir@
SHELL = @SHELL@
enable_shared = @enable_shared@
decimal_float = @decimal_float@
enable_decimal_float = @enable_decimal_float@
fixed_point = @fixed_point@
host_noncanonical = @host_noncanonical@
# List of extra object files that should be compiled for this target machine.
# The rules for compiling them should be in the t-* file for the machine.
EXTRA_PARTS = @extra_parts@
# Multilib support variables.
MULTISRCTOP =
MULTIBUILDTOP =
MULTIDIRS =
MULTISUBDIR =
MULTIDO = true
MULTICLEAN = true
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@
mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
objext = .o
AR = @AR@
AR_FLAGS = rc
CC = @CC@
CFLAGS = @CFLAGS@
RANLIB = @RANLIB@
LN_S = @LN_S@
PWD_COMMAND = $${PWDCMD-pwd}
# Flags to pass to a recursive make.
FLAGS_TO_PASS = \
"AR=$(AR)" \
"AR_FLAGS=$(AR_FLAGS)" \
"CC=$(CC)" \
"CFLAGS=$(CFLAGS)" \
"DESTDIR=$(DESTDIR)" \
"EXTRA_OFILES=$(EXTRA_OFILES)" \
"HDEFINES=$(HDEFINES)" \
"INSTALL=$(INSTALL)" \
"INSTALL_DATA=$(INSTALL_DATA)" \
"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
"LDFLAGS=$(LDFLAGS)" \
"LOADLIBES=$(LOADLIBES)" \
"RANLIB=$(RANLIB)" \
"SHELL=$(SHELL)" \
"prefix=$(prefix)" \
"exec_prefix=$(exec_prefix)" \
"libdir=$(libdir)" \
"libsubdir=$(libsubdir)" \
"tooldir=$(tooldir)"
# Dependencies for "all" are set later in the file.
all: all-multi
# Now that we have built all the objects, we need to copy
# them back to the GCC directory. Too many things (other
# in-tree libraries, and DejaGNU) know about the layout
# of the build tree, for now.
$(MAKE) install DESTDIR=$(gcc_objdir) \
slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
.PHONY: all-multi
all-multi:
# If this is the top-level multilib, build all the other
# multilibs.
@: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
.PHONY: check installcheck
check:
installcheck:
.PHONY: all clean
clean:
-rm -f config.h stamp-h stmp-ldirs libgcc.map
-rm -f *$(objext)
-rm -f *.dep
-rm -f *.a
-rm -f libunwind$(SHLIB_EXT)
-rm -f libgcc_s*
@$(MULTICLEAN) multi-clean DO=clean
distclean: clean
@$(MULTICLEAN) multi-clean DO=distclean
-rm -f *~ Makefile config.cache config.status multilib.out
-rm -f config.log
maintainer-clean realclean: distclean
Makefile: $(srcdir)/Makefile.in config.status
CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
# Depending on Makefile makes sure that config.status has been re-run
# if needed. This prevents problems with parallel builds.
config.h: stamp-h ; @true
stamp-h: $(srcdir)/config.in config.status Makefile
CONFIG_FILES= CONFIG_HEADERS=config.h:$(srcdir)/config.in $(SHELL) ./config.status
config.status: $(srcdir)/configure
$(SHELL) ./config.status --recheck
include $(gcc_objdir)/libgcc.mvars
# Flags to pass to recursive makes.
AR_FOR_TARGET = $(AR)
AR_FLAGS_FOR_TARGET =
AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
AWK = @AWK@
GCC_FOR_TARGET = $(CC)
LIPO = @LIPO@
LIPO_FOR_TARGET = $(LIPO)
MACHMODE_H = machmode.h mode-classes.def insn-modes.h
NM = @NM@
NM_FOR_TARGET = $(NM)
RANLIB_FOR_TARGET = $(RANLIB)
STRIP = @STRIP@
STRIP_FOR_TARGET = $(STRIP)
# Directory in which the compiler finds libraries etc.
libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
# Used to install the shared libgcc.
slibdir = @slibdir@
export AR_FOR_TARGET
export AR_CREATE_FOR_TARGET
export AR_FLAGS_FOR_TARGET
export AR_EXTRACT_FOR_TARGET
export AWK
export DESTDIR
export GCC_FOR_TARGET
export INCLUDES
export INSTALL_DATA
export LIB1ASMSRC
export LIBGCC2_CFLAGS
export LIPO_FOR_TARGET
export MACHMODE_H
export NM_FOR_TARGET
export STRIP_FOR_TARGET
export RANLIB_FOR_TARGET
export libsubdir
export slibdir
version := $(shell $(CC) -dumpversion)
ifeq ($(decimal_float),yes)
ifeq ($(enable_decimal_float),bid)
DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
else
DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
-I$(srcdir)/../libdecnumber \
-I$(MULTIBUILDTOP)../../libdecnumber
endif
else
DECNUMINC =
endif
# Specify the directories to be searched for header files.
# Both . and srcdir are used, in that order,
# so that *config.h will be found in the compilation
# subdirectory rather than in the source directory.
# -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
# currently being compiled, in both source trees, to be examined as well.
INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
-I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
-I$(srcdir)/../include $(DECNUMINC)
# Forcibly remove any profiling-related flags. There is no point
# in supporting profiled bootstrap in this library.
override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
# CFLAGS first is not perfect; normally setting CFLAGS should override any
# options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
# will usually contain -g, so for the moment CFLAGS goes first. We must
# include CFLAGS - that's where multilib options live.
INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
$(INCLUDES) @set_have_cc_tls@
MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
inst_libdir = $(libsubdir)$(MULTISUBDIR)
inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
gcc_s_compile = $(gcc_compile) -DSHARED
objects = $(filter %$(objext),$^)
# Collect any host-specific information from Makefile fragments.
tmake_file = @tmake_file@
include $(srcdir)/empty.mk $(tmake_file)
# Only handle shared libraries if both:
# - the user requested them
# - we know how to build them
ifeq ($(SHLIB_LINK),)
enable_shared := no
endif
ifeq ($(enable_shared),yes)
iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
install-shared = install-shared
ifneq ($(LIBUNWIND),)
install-libunwind = install-libunwind
endif
# For -fvisibility=hidden. We need both a -fvisibility=hidden on
# the command line, and a #define to prevent libgcc2.h etc from
# overriding that with #pragmas.
vis_hide = @vis_hide@
ifneq (,$(vis_hide))
# If we have -fvisibility=hidden, then we need to generate hide
# lists for object files implemented in assembly.
ASM_HIDDEN_OP = @asm_hidden_op@
define gen-hide-list
$(NM) -pg $< | \
$(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
mv -f $@T $@
endef
else
gen-hide-list = echo > $@
endif
else
# Not enable_shared.
iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
vis_hide =
gen-hide-list = echo > \$@
endif
ifneq ($(EXTRA_PARTS),)
extra-parts = libgcc-extra-parts
INSTALL_PARTS = $(EXTRA_PARTS)
else
ifneq ($(GCC_EXTRA_PARTS),)
extra-parts = gcc-extra-parts
INSTALL_PARTS = $(GCC_EXTRA_PARTS)
endif
endif
# Library members defined in libgcc2.c.
lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
_clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
_absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
_negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
_ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
_paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
_mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3 \
_divtc3 _bswapsi2 _bswapdi2
# The floating-point conversion routines that involve a single-word integer.
# XX stands for the integer mode.
swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
# Likewise double-word routines.
dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
$(patsubst %,_fixuns%XX,sf df xf tf) \
$(patsubst %,_floatXX%,sf df xf tf) \
$(patsubst %,_floatunXX%,sf df xf tf)
ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
lib2funcs += $(subst XX,si,$(swfloatfuncs))
lib2funcs += $(subst XX,di,$(dwfloatfuncs))
endif
# These might cause a divide overflow trap and so are compiled with
# unwinder info.
LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
# Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
# defined as optimized assembly code in LIB1ASMFUNCS or as C code
# in LIB2FUNCS_EXCLUDE.
lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
$(LIB2_DIVMOD_FUNCS))
# Build "libgcc1" (assembly) components.
ifeq ($(enable_shared),yes)
lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
$(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis
$(gcc_compile) -DL$* -xassembler-with-cpp \
-c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis
$(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
$(gen-hide-list)
libgcc-objects += $(lib1asmfuncs-o)
lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
$(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
$(gcc_s_compile) -DL$* -xassembler-with-cpp \
-c $(gcc_srcdir)/config/$(LIB1ASMSRC)
libgcc-s-objects += $(lib1asmfuncs-s-o)
else
lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
$(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
$(gcc_compile) -DL$* -xassembler-with-cpp \
-c $(gcc_srcdir)/config/$(LIB1ASMSRC)
libgcc-objects += $(lib1asmfuncs-o)
endif
# Build lib2funcs. For the static library also include LIB2FUNCS_ST.
lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
$(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c
$(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
$(vis_hide)
libgcc-objects += $(lib2funcs-o)
ifeq ($(enable_shared),yes)
lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
$(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
$(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c
libgcc-s-objects += $(lib2funcs-s-o)
endif
ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
# Build libgcc2.c for each conversion function, with a specific
# L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
# functions are built with a wordsize of 4; the TImode functions are
# built with the same labels, but a wordsize of 8.
sifuncs = $(subst XX,si,$(swfloatfuncs))
difuncs = $(subst XX,di,$(dwfloatfuncs))
tifuncs = $(subst XX,ti,$(dwfloatfuncs))
iter-items := $(sifuncs) $(difuncs) $(tifuncs)
iter-labels := $(sifuncs) $(difuncs) $(difuncs)
iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
ifeq ($(enable_shared),yes)
libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
endif
endif
# Build LIB2_DIVMOD_FUNCS.
lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
$(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c
$(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
-fexceptions -fnon-call-exceptions $(vis_hide)
libgcc-objects += $(lib2-divmod-o)
ifeq ($(enable_shared),yes)
lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
$(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
$(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
-fexceptions -fnon-call-exceptions
libgcc-s-objects += $(lib2-divmod-s-o)
endif
# $(FPBIT) et al. are pathnames relative to the GCC build
# directory; the supporting files are made by the GCC
# Makefile.
# FIXME: Soon we will be able to move this logic into this directory.
ifneq ($(fpbit-in-libgcc),yes)
FPBIT:=$(if $(FPBIT),$(gcc_objdir)/$(FPBIT),)
DPBIT:=$(if $(DPBIT),$(gcc_objdir)/$(DPBIT),)
TPBIT:=$(if $(TPBIT),$(gcc_objdir)/$(TPBIT),)
endif
ifeq ($(TPBIT),)
# _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
endif
# Build FPBIT.
ifneq ($(FPBIT),)
fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
$(fpbit-o): %$(objext): $(FPBIT)
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT) $(vis_hide)
libgcc-objects += $(fpbit-o)
ifeq ($(enable_shared),yes)
fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
$(fpbit-s-o): %_s$(objext): $(FPBIT)
$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT)
libgcc-s-objects += $(fpbit-s-o)
endif
endif
# Build DPBIT.
ifneq ($(DPBIT),)
dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
$(dpbit-o): %$(objext): $(DPBIT)
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT) $(vis_hide)
libgcc-objects += $(dpbit-o)
ifeq ($(enable_shared),yes)
dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
$(dpbit-s-o): %_s$(objext): $(DPBIT)
$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT)
libgcc-s-objects += $(dpbit-s-o)
endif
endif
# Build TPBIT.
ifneq ($(TPBIT),)
tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
$(tpbit-o): %$(objext): $(TPBIT)
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT) $(vis_hide)
libgcc-objects += $(tpbit-o)
ifeq ($(enable_shared),yes)
tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
$(tpbit-s-o): %_s$(objext): $(TPBIT)
$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT)
libgcc-s-objects += $(tpbit-s-o)
endif
endif
# Build decimal floating point support.
ifeq ($(decimal_float),yes)
# If $DFP_ENABLE is set, then we want all data type sizes.
ifneq ($(DFP_ENABLE),)
D32PBIT = 1
D64PBIT = 1
D128PBIT = 1
endif
dfp-filenames =
ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
ifeq ($(enable_decimal_float),bid)
dfp-filenames += bid_decimal_globals bid_decimal_data \
bid_binarydecimal bid_convert_data \
_isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
bid128_noncomp bid128_fma bid_round bid_from_int \
bid64_add bid128_add bid64_div bid128_div \
bid64_mul bid128_mul bid64_compare bid128_compare \
bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
bid64_to_int32 bid64_to_int64 \
bid64_to_uint32 bid64_to_uint64 \
bid128_to_int32 bid128_to_int64 \
bid128_to_uint32 bid128_to_uint64
else
dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
endif
endif
dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
ifeq ($(enable_decimal_float),bid)
$(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
else
$(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
endif
$(gcc_compile) -c $<
libgcc-objects += $(dfp-objects)
decbits-filenames =
ifneq ($(enable_decimal_float),bid)
ifneq ($(D32PBIT),)
decbits-filenames += decimal32
endif
ifneq ($(D64PBIT),)
decbits-filenames += decimal64
endif
ifneq ($(D128PBIT),)
decbits-filenames += decimal128
endif
endif
decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
ifeq ($(enable_decimal_float),bid)
$(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
else
$(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
endif
$(gcc_compile) -c $<
libgcc-objects += $(decbits-objects)
# Next build individual support functions.
ifeq ($(enable_decimal_float),bid)
ifneq ($(D32PBIT),)
D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
endif
ifneq ($(D64PBIT),)
D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
endif
ifneq ($(D128PBIT),)
D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
endif
endif
ifneq ($(D32PBIT),)
d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
ifeq ($(enable_decimal_float),bid)
$(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
else
$(d32pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
endif
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
libgcc-objects += $(d32pbit-o)
endif
ifneq ($(D64PBIT),)
d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
ifeq ($(enable_decimal_float),bid)
$(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
else
$(d64pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
endif
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
libgcc-objects += $(d64pbit-o)
endif
ifneq ($(D128PBIT),)
d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
ifeq ($(enable_decimal_float),bid)
$(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
else
$(d128pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
endif
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
libgcc-objects += $(d128pbit-o)
endif
endif
# Build fixed-point support.
ifeq ($(fixed_point),yes)
# Generate permutations of function name and mode
fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
# Generate the rules for each arithmetic function
iter-items := $(fixed-funcs)
iter-labels := $(fixed-labels)
iter-from := $(fixed-modes)
iter-to := $(fixed-modes)
include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
# Add arithmetic functions to list of objects to be built
libgcc-objects += $(patsubst %,%$(objext),$(fixed-funcs))
ifeq ($(enable_shared),yes)
libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-funcs))
endif
# Convert from or to fractional
fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
fixed-conv-to := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
# Generate the make rules for each conversion function
iter-items := $(fixed-conv-funcs)
iter-labels := $(fixed-conv-labels)
iter-from := $(fixed-conv-from)
iter-to := $(fixed-conv-to)
include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
# Add conversion functions to list of objects to be built
libgcc-objects += $(patsubst %,%$(objext),$(fixed-conv-funcs))
ifeq ($(enable_shared),yes)
libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-conv-funcs))
endif
endif
# Build LIB2ADD and LIB2ADD_ST.
ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
$(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
endif
libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
c_flags :=
iter-items := $(LIB2ADD) $(LIB2ADD_ST)
include $(iterator)
ifeq ($(enable_shared),yes)
libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
endif
# Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
# libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
# LIB2ADDEHSHARED matter. (Usually all three are identical.)
c_flags := -fexceptions
ifeq ($(enable_shared),yes)
libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
include $(iterator)
else
# Not shared. LIB2ADDEH are added to libgcc.a.
libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
iter-items := $(LIB2ADDEH)
include $(iterator)
endif
# Build LIBUNWIND.
c_flags := -fexceptions
libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
ifeq ($(enable_shared),yes)
libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
endif
iter-items := $(LIBUNWIND)
include $(iterator)
# Build libgcov components.
libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
$(libgcov-objects): %$(objext): $(gcc_srcdir)/libgcov.c
$(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcov.c
# Static libraries.
libgcc.a: $(libgcc-objects)
libgcov.a: $(libgcov-objects)
libunwind.a: $(libunwind-objects)
libgcc_eh.a: $(libgcc-eh-objects)
libgcc.a libgcov.a libunwind.a libgcc_eh.a:
-rm -f $@
objects="$(objects)"; \
if test -z "$$objects"; then \
echo 'int __libgcc_eh_dummy;' > eh_dummy.c; \
$(gcc_compile_bare) $(vis_hide) -c eh_dummy.c \
-o eh_dummy$(objext); \
objects=eh_dummy$(objext); \
fi; \
$(AR_CREATE_FOR_TARGET) $@ $$objects
$(RANLIB) $@
all: libgcc.a libgcov.a
ifneq ($(LIBUNWIND),)
all: libunwind.a
libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
endif
ifeq ($(enable_shared),yes)
all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
ifneq ($(LIBUNWIND),)
all: libunwind$(SHLIB_EXT)
endif
endif
ifeq ($(enable_shared),yes)
# Map-file generation.
ifneq ($(SHLIB_MKMAP),)
libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
{ $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
cat $(SHLIB_MAPFILES) \
| sed -e '/^[ ]*#/d' \
-e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
| $(gcc_compile_bare) -E -xassembler-with-cpp -; \
} | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
mv tmp-$@ $@
libgcc_s$(SHLIB_EXT): libgcc.map
mapfile = libgcc.map
endif
libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
# @multilib_flags@ is still needed because this may use
# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
# @multilib_dir@ is not really necessary, but sometimes it has
# more uses than just a directory name.
$(mkinstalldirs) $(MULTIDIR)
$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
@multilib_dir@,$(MULTIDIR),$(subst \
@shlib_objs@,$(objects),$(subst \
@shlib_base_name@,libgcc_s,$(subst \
@shlib_map_file@,$(mapfile),$(subst \
@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
@shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
# @multilib_flags@ is still needed because this may use
# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
# @multilib_dir@ is not really necessary, but sometimes it has
# more uses than just a directory name.
$(mkinstalldirs) $(MULTIDIR)
$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
@multilib_dir@,$(MULTIDIR),$(subst \
@shlib_objs@,$(objects),$(subst \
@shlib_base_name@,libunwind,$(subst \
@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
endif
# Build the standard GCC startfiles and endfiles.
ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
ifeq ($(CUSTOM_CRTSTUFF),)
crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
$(crt_compile) $(CRTSTUFF_T_CFLAGS) \
-c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
crtend$(objext): $(gcc_srcdir)/crtstuff.c
$(crt_compile) $(CRTSTUFF_T_CFLAGS) \
-c $(gcc_srcdir)/crtstuff.c -DCRT_END
# These are versions of crtbegin and crtend for shared libraries.
crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
-c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
crtendS$(objext): $(gcc_srcdir)/crtstuff.c
$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
-c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
# This is a version of crtbegin for -static links.
crtbeginT.o: $(gcc_srcdir)/crtstuff.c
$(crt_compile) $(CRTSTUFF_T_CFLAGS) \
-c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
endif
# Build extra startfiles in the libgcc directory.
.PHONY: libgcc-extra-parts
libgcc-extra-parts: $(EXTRA_PARTS)
ifneq ($(GCC_EXTRA_PARTS),)
ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
# If the gcc directory specifies which extra parts to
# build for this target, and the libgcc configuration also
# specifies, make sure they match. This can be removed
# when the gcc directory no longer holds libgcc configuration;
# it is useful when migrating a target.
@echo "Configuration mismatch!"
@echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
@echo "Extra parts from libgcc: $(EXTRA_PARTS)"
exit 1
endif
endif
# Early copyback; see "all" above for the rationale. The
# early copy is necessary so that the gcc -B options find
# the right startup files when linking shared libgcc.
$(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
parts="$(EXTRA_PARTS)"; \
for file in $$parts; do \
rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
$(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \
done
# Build extra startfiles in the gcc directory, for unconverted
# targets.
.PHONY: gcc-extra-parts
gcc-extra-parts:
# Recursively invoke make in the GCC directory to build any
# startfiles (for now). We must do this just once, passing
# it all the GCC_EXTRA_PARTS as simultaneous goal targets,
# so that rules which cannot execute simultaneously are properly
# serialized. We indirect through T_TARGET in case any multilib
# directories contain an equals sign, to prevent make from
# interpreting any of the goals as variable assignments.
# We must use cd && make rather than make -C, or else the stage
# number will be embedded in debug information.
T=`$(PWD_COMMAND)`/ \
&& cd $(gcc_objdir) \
&& $(MAKE) GCC_FOR_TARGET="$(CC)" \
MULTILIB_CFLAGS="$(CFLAGS)" \
T=$$T \
T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
T_TARGET
# Early copyback; see "all" above for the rationale. The
# early copy is necessary so that the gcc -B options find
# the right startup files when linking shared libgcc.
$(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
parts="$(GCC_EXTRA_PARTS)"; \
for file in $$parts; do \
rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
$(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \
done
all: $(extra-parts)
# Documentation targets (empty).
.PHONY: info html dvi pdf install-info install-html install-pdf
info:
install-info:
html:
install-html:
dvi:
pdf:
install-pdf:
# Install rules. These do not depend on "all", so that they can be invoked
# recursively from it.
install-libunwind:
$(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
# NOTE: Maybe this should go into $(inst_libdir), but this
# is where the old mklibgcc.in put it.
$(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
$(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
$(subst @multilib_dir@,$(MULTIDIR),$(subst \
@shlib_base_name@,libunwind,$(subst \
@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
install-shared:
$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
$(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
$(subst @multilib_dir@,$(MULTIDIR),$(subst \
@shlib_base_name@,libgcc_s,$(subst \
@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
install: $(install-shared) $(install-libunwind)
$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
$(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
$(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
parts="$(INSTALL_PARTS)"; \
for file in $$parts; do \
rm -f $(DESTDIR)$(inst_libdir)/$$file; \
$(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/; \
done
@$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
.PHONY: install install-shared install-libunwind
# Don't export variables to the environment, in order to not confuse
# configure.
.NOEXPORT:
include $(srcdir)/empty.mk $(wildcard *.dep)
# TODO QUEUE:
# Garbage collect in gcc/:
# $(LIBGCC) settings in t-* are now unused
#
# Remove use of $(gcc_srcdir). Source files referenced using $(gcc_srcdir)
# should move into the libgcc directory.
|