3 GCCDIR= ${.CURDIR}/../../../contrib/gcc
4 GCCLIB= ${.CURDIR}/../../../contrib/gcclibs
7 SHLIB_NAME= libgcc_s.so.1
12 # libgcc is linked in last and thus cannot depend on ssp symbols coming
13 # from earlier libraries. Disable stack protection for this library.
17 .include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt"
19 .PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}/config ${GCCDIR}
21 CFLAGS+= -DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
24 -I${GCCDIR}/config -I${GCCDIR} -I. \
25 -I${.CURDIR}/../../usr.bin/cc/cc_tools
27 LDFLAGS+= -nodefaultlibs
30 OBJS= # added to below in various ways depending on TARGET_CPUARCH
32 #---------------------------------------------------------------------------
34 # When upgrading GCC, get the following defintions straight from Makefile.in
36 # Library members defined in libgcc2.c.
37 LIB2FUNCS= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \
38 _cmpdi2 _ucmpdi2 _clear_cache \
39 _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \
40 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \
41 _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \
42 _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 \
43 _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 \
46 # The floating-point conversion routines that involve a single-word integer.
48 LIB2FUNCS+= _fixuns${mode}si
51 # Likewise double-word routines.
52 .for mode in sf df xf tf
53 LIB2FUNCS+= _fix${mode}di _fixuns${mode}di
54 LIB2FUNCS+= _floatdi${mode} _floatundi${mode}
57 LIB2ADD = $(LIB2FUNCS_EXTRA)
58 LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA)
60 # Additional sources to handle exceptions; overridden by targets as needed.
61 LIB2ADDEH = unwind-dw2.c unwind-dw2-fde-glibc.c unwind-sjlj.c gthr-gnat.c \
63 LIB2ADDEHSTATIC = $(LIB2ADDEH)
64 LIB2ADDEHSHARED = $(LIB2ADDEH)
66 # List of extra C and assembler files to add to static and shared libgcc2.
67 # Assembler files should have names ending in `.asm'.
70 # List of extra C and assembler files to add to static libgcc2.
71 # Assembler files should have names ending in `.asm'.
72 LIB2FUNCS_STATIC_EXTRA =
74 # Defined in libgcc2.c, included only in the static library.
75 # KAN: Excluded _sf_to_tf and _df_to_tf as TPBIT_FUNCS are not
76 # built on any of our platforms.
77 LIB2FUNCS_ST = _eprintf __gcc_bcmp
79 FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
80 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
81 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
82 _sf_to_df _thenan_sf _sf_to_usi _usi_to_sf
84 DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
85 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
86 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
87 _df_to_sf _thenan_df _df_to_usi _usi_to_df
89 TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
90 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
91 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
92 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
94 # These might cause a divide overflow trap and so are compiled with
96 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
98 #-----------------------------------------------------------------------
100 # Platform specific bits.
101 # When upgrading GCC, get the following definitions from config/<cpu>/t-*
103 .if ${TARGET_CPUARCH} == "arm"
104 # from config/arm/t-strongarm-elf
105 CFLAGS+= -Dinhibit_libc -fno-inline
106 LIB1ASMSRC = lib1funcs.asm
107 LIB1ASMFUNCS = _dvmd_tls _bb_init_func
108 LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
111 #LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func
112 #LIB1ASMFUNCS+= _call_via_rX _interwork_call_via_rX \
113 # _lshrdi3 _ashrdi3 _ashldi3 \
114 # _negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
115 # _truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
116 # _fixsfsi _fixunssfsi _floatdidf _floatdisf
119 .if ${TARGET_CPUARCH} == "mips"
120 LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
121 .if defined(TARGET_ABI) && ${TARGET_ABI} != "o32"
122 LIB2FUNCS_EXTRA+= floatdidf.c fixunsdfsi.c
123 LIB2FUNCS_EXTRA+= floatdisf.c floatundidf.c
124 LIB2FUNCS_EXTRA+= fixsfdi.c floatundisf.c
125 LIB2FUNCS_EXTRA+= fixdfdi.c fixunssfsi.c
129 .if ${TARGET_CPUARCH} == "ia64"
130 # from config/ia64/t-ia64
131 LIB1ASMSRC = lib1funcs.asm
132 LIB1ASMFUNCS = __divxf3 __divdf3 __divsf3 \
133 __divdi3 __moddi3 __udivdi3 __umoddi3 \
134 __divsi3 __modsi3 __udivsi3 __umodsi3 __save_stack_nonlocal \
135 __nonlocal_goto __restore_stack_nonlocal __trampoline \
136 _fixtfdi _fixunstfdi _floatditf
137 LIB2ADDEH = unwind-ia64.c unwind-sjlj.c unwind-c.c
140 .if ${TARGET_CPUARCH} == "powerpc"
141 # from config/rs6000/t-ppccomm
142 LIB2FUNCS_EXTRA = tramp.asm
143 LIB2FUNCS_STATIC_EXTRA = eabi.asm
146 .if ${TARGET_CPUARCH} == "powerpc64"
147 # from config/rs6000/t-ppccomm
148 LIB2FUNCS_EXTRA = tramp.asm
151 .if ${TARGET_CPUARCH} == "sparc64"
152 # from config/sparc/t-elf
153 LIB1ASMSRC = lb1spc.asm
154 LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3
157 #-----------------------------------------------------------------------
159 # Remove any objects from LIB2FUNCS and LIB2_DIVMOD_FUNCS that are
160 # defined as optimized assembly code in LIB1ASMFUNCS.
161 .if defined(LIB1ASMFUNCS)
162 .for sym in ${LIB1ASMFUNCS}
163 LIB2FUNCS:= ${LIB2FUNCS:S/${sym}//g}
164 LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:S/${sym}//g}
168 COMMONHDRS= tm.h tconfig.h options.h unwind.h gthr-default.h
170 #-----------------------------------------------------------------------
172 # Helpful shortcuts for compiler invocations.
174 HIDE = -fvisibility=hidden -DHIDE_EXPORTS
175 CC_T = ${CC} -c ${CFLAGS} ${HIDE} -fPIC
176 CC_P = ${CC} -c ${CFLAGS} ${HIDE} -p -fPIC
177 CC_S = ${CC} -c ${CFLAGS} ${PICFLAG} -DSHARED
179 #-----------------------------------------------------------------------
181 # Functions from libgcc2.c
184 DIV_CFLAGS = -fexceptions -fnon-call-exceptions
186 STD_FUNCS = ${LIB2FUNCS}
187 DIV_FUNCS = ${LIB2_DIVMOD_FUNCS}
189 STD_CFILE = libgcc2.c
190 DIV_CFILE = libgcc2.c
194 #-----------------------------------------------------------------------
196 # Floating point emulation functions
198 .if ${TARGET_CPUARCH} == "armNOT_YET" || \
199 ${TARGET_CPUARCH} == "powerpc" || ${TARGET_CPUARCH} == "sparc64"
201 FPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES -DFLOAT
202 DPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES
204 FPBIT_CFILE = config/fp-bit.c
205 DPBIT_CFILE = config/fp-bit.c
207 OBJ_GRPS += FPBIT DPBIT
210 #-----------------------------------------------------------------------
212 # Generic build rules for object groups defined above
214 .for T in ${OBJ_GRPS}
215 ${T}_OBJS_T = ${${T}_FUNCS:S/$/.o/}
216 ${T}_OBJS_P = ${${T}_FUNCS:S/$/.po/}
217 ${T}_OBJS_S = ${${T}_FUNCS:S/$/.So/}
218 OBJS += ${${T}_FUNCS:S/$/.o/}
220 ${${T}_OBJS_T}: ${${T}_CFILE} ${COMMONHDRS}
221 ${CC_T} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
222 ${${T}_OBJS_P}: ${${T}_CFILE} ${COMMONHDRS}
223 ${CC_P} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
224 ${${T}_OBJS_S}: ${${T}_CFILE} ${COMMONHDRS}
225 ${CC_S} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
228 #-----------------------------------------------------------------------
230 # Extra objects coming from separate files
233 OBJS += ${LIB2ADD:R:S/$/.o/}
234 SOBJS += ${LIB2ADD:R:S/$/.So/}
235 POBJS += ${LIB2ADD:R:S/$/.po/}
238 #-----------------------------------------------------------------------
240 # Objects that should be in static library only.
242 SYMS_ST = ${LIB2FUNCS_ST} ${LIB2ADD_ST}
243 STAT_OBJS_T = ${SYMS_ST:S/$/.o/}
244 STAT_OBJS_P = ${SYMS_ST:S/$/.po/}
245 STATICOBJS = ${SYMS_ST:S/$/.o/}
247 ${STAT_OBJS_T}: ${STD_CFILE} ${COMMONHDRS}
248 ${CC_T} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
249 ${STAT_OBJS_P}: ${STD_CFILE} ${COMMONHDRS}
250 ${CC_P} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
252 #-----------------------------------------------------------------------
256 .if defined(LIB1ASMSRC)
257 ASM_T = ${LIB1ASMFUNCS:S/$/.o/}
258 ASM_P = ${LIB1ASMFUNCS:S/$/.po/}
259 ASM_S = ${LIB1ASMFUNCS:S/$/.So/}
260 ASM_V = ${LIB1ASMFUNCS:S/$/.vis/}
261 OBJS += ${LIB1ASMFUNCS:S/$/.o/}
263 ${ASM_T}: ${LIB1ASMSRC} ${.PREFIX}.vis
264 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \
265 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis}
266 ${ASM_P}: ${LIB1ASMSRC} ${.PREFIX}.vis
267 ${CC} -x assembler-with-cpp -p -c ${CFLAGS} -DL${.PREFIX} \
268 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis}
269 ${ASM_S}: ${LIB1ASMSRC}
270 ${CC} -x assembler-with-cpp -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} \
271 -o ${.TARGET} ${.ALLSRC:N*.h}
272 ${ASM_V}: ${LIB1ASMSRC}
273 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \
274 -o ${.PREFIX}.vo ${.ALLSRC:N*.h}
275 ( nm -pg ${.PREFIX}.vo | \
276 awk 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t.hidden ", $$3 }'\
279 CLEANFILES += ${ASM_V} ${ASM_V:R:S/$/.vo/}
282 #-----------------------------------------------------------------------
284 # Exception handling / unwinding support.
286 EH_OBJS_T = ${LIB2ADDEHSTATIC:R:S/$/.o/}
287 EH_OBJS_P = ${LIB2ADDEHSTATIC:R:S/$/.po/}
288 EH_OBJS_S = ${LIB2ADDEHSHARED:R:S/$/.So/}
289 EH_CFLAGS = -fexceptions -D__GLIBC__=3 -DElfW=__ElfN
290 SOBJS += ${EH_OBJS_S}
292 .for _src in ${LIB2ADDEHSTATIC}
293 ${_src:R:S/$/.o/}: ${_src} ${COMMONHDRS}
294 ${CC_T} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
295 ${_src:R:S/$/.po/}: ${_src} ${COMMONHDRS}
296 ${CC_P} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
298 .for _src in ${LIB2ADDEHSHARED}
299 ${_src:R:S/$/.So/}: ${_src} ${COMMONHDRS}
300 ${CC_S} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
304 #-----------------------------------------------------------------------
308 ${COMMONHDRS}: ${.CURDIR}/../../usr.bin/cc/cc_tools/Makefile
309 ${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET}
311 CLEANFILES += ${COMMONHDRS}
312 CLEANFILES += cs-*.h option*
314 #-----------------------------------------------------------------------
316 # Build symbol version map
318 SHLIB_MKMAP = ${GCCDIR}/mkmap-symver.awk
320 SHLIB_MAPFILES = ${GCCDIR}/libgcc-std.ver
321 VERSION_MAP = libgcc.map
323 libgcc.map: ${SHLIB_MKMAP} ${SHLIB_MAPFILES} ${SOBJS} ${OBJS:R:S/$/.So/}
324 ( nm -pg ${SOBJS};echo %% ; \
325 cat ${SHLIB_MAPFILES} \
326 | sed -e '/^[ ]*#/d' \
327 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
328 | ${CC} ${CFLAGS} -E -xassembler-with-cpp -; \
329 ) | awk -f ${SHLIB_MKMAP} ${SHLIB_MKMAP_OPTS} > ${.TARGET}
331 CLEANFILES += libgcc.map
333 #-----------------------------------------------------------------------
335 # Build additional static libgcc_eh[_p].a libraries.
337 libgcc_eh.a: ${EH_OBJS_T}
338 @${ECHO} building static gcc_eh library
340 @${AR} cq ${.TARGET} `lorder ${EH_OBJS_T} | tsort -q`
345 .if ${MK_PROFILE} != "no"
346 libgcc_eh_p.a: ${EH_OBJS_P}
347 @${ECHO} building profiled gcc_eh library
349 @${AR} cq ${.TARGET} `lorder ${EH_OBJS_P} | tsort -q`
354 _libinstall: _lib-eh-install
357 .if ${MK_INSTALLLIB} != "no"
358 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
359 ${_INSTALLFLAGS} libgcc_eh.a ${DESTDIR}${LIBDIR}
361 .if ${MK_PROFILE} != "no"
362 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
363 ${_INSTALLFLAGS} libgcc_eh_p.a ${DESTDIR}${LIBDIR}
366 CLEANFILES+= libgcc_eh.a libgcc_eh_p.a ${EH_OBJS_T} ${EH_OBJS_P}
368 .include <bsd.lib.mk>