3 GCCDIR= ${.CURDIR}/../../../contrib/gcc
4 GCCLIB= ${.CURDIR}/../../../contrib/gcclibs
6 SHLIB_NAME= libgcc_s.so.1
11 # libgcc is linked in last and thus cannot depend on ssp symbols coming
12 # from earlier libraries. Disable stack protection for this library.
16 .include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt"
18 .if ${TARGET_CPUARCH} == "mips"
22 .PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}/config ${GCCDIR}
24 CFLAGS+= -DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
27 -I${GCCDIR}/config -I${GCCDIR} -I. \
28 -I${.CURDIR}/../../usr.bin/cc/cc_tools
30 LDFLAGS+= -nodefaultlibs
33 SOBJS= # added to below in various ways depending on TARGET_CPUARCH
35 #---------------------------------------------------------------------------
37 # When upgrading GCC, get the following defintions straight from Makefile.in
39 # Library members defined in libgcc2.c.
40 LIB2FUNCS= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \
41 _cmpdi2 _ucmpdi2 _clear_cache \
42 _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \
43 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \
44 _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \
45 _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 \
46 _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 \
49 # The floating-point conversion routines that involve a single-word integer.
51 LIB2FUNCS+= _fixuns${mode}si
54 # Likewise double-word routines.
55 .for mode in sf df xf tf
56 LIB2FUNCS+= _fix${mode}di _fixuns${mode}di
57 LIB2FUNCS+= _floatdi${mode} _floatundi${mode}
60 LIB2ADD = $(LIB2FUNCS_EXTRA)
61 LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA)
63 # Additional sources to handle exceptions; overridden by targets as needed.
64 LIB2ADDEH = unwind-dw2.c unwind-dw2-fde-glibc.c unwind-sjlj.c gthr-gnat.c \
66 LIB2ADDEHSTATIC = $(LIB2ADDEH)
67 LIB2ADDEHSHARED = $(LIB2ADDEH)
69 # List of extra C and assembler files to add to static and shared libgcc2.
70 # Assembler files should have names ending in `.asm'.
73 # List of extra C and assembler files to add to static libgcc2.
74 # Assembler files should have names ending in `.asm'.
75 LIB2FUNCS_STATIC_EXTRA =
77 # Defined in libgcc2.c, included only in the static library.
78 # KAN: Excluded _sf_to_tf and _df_to_tf as TPBIT_FUNCS are not
79 # built on any of our platforms.
80 LIB2FUNCS_ST = _eprintf __gcc_bcmp
82 FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
83 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
84 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
85 _sf_to_df _thenan_sf _sf_to_usi _usi_to_sf
87 DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
88 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
89 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
90 _df_to_sf _thenan_df _df_to_usi _usi_to_df
92 TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
93 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
94 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
95 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
97 # These might cause a divide overflow trap and so are compiled with
99 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
101 #-----------------------------------------------------------------------
103 # Platform specific bits.
104 # When upgrading GCC, get the following definitions from config/<cpu>/t-*
106 .if ${TARGET_CPUARCH} == "arm"
107 # from config/arm/t-strongarm-elf
108 CFLAGS+= -Dinhibit_libc -fno-inline
109 LIB1ASMSRC = lib1funcs.asm
110 LIB1ASMFUNCS = _dvmd_tls _bb_init_func
111 LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
114 #LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func
115 #LIB1ASMFUNCS+= _call_via_rX _interwork_call_via_rX \
116 # _lshrdi3 _ashrdi3 _ashldi3 \
117 # _negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
118 # _truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
119 # _fixsfsi _fixunssfsi _floatdidf _floatdisf
122 .if ${TARGET_CPUARCH} == mips
123 LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
124 # ABIs other than o32 need this
125 .if ${TARGET_ARCH:Mmipse[lb]} == ""
126 LIB2FUNCS_EXTRA+= floatdidf.c fixunsdfsi.c
127 LIB2FUNCS_EXTRA+= floatdisf.c floatundidf.c
128 LIB2FUNCS_EXTRA+= fixsfdi.c floatundisf.c
129 LIB2FUNCS_EXTRA+= fixdfdi.c fixunssfsi.c
133 .if ${TARGET_CPUARCH} == "ia64"
134 # from config/ia64/t-ia64
135 LIB1ASMSRC = lib1funcs.asm
136 LIB1ASMFUNCS = __divxf3 __divdf3 __divsf3 \
137 __divdi3 __moddi3 __udivdi3 __umoddi3 \
138 __divsi3 __modsi3 __udivsi3 __umodsi3 __save_stack_nonlocal \
139 __nonlocal_goto __restore_stack_nonlocal __trampoline \
140 _fixtfdi _fixunstfdi _floatditf
141 LIB2ADDEH = unwind-ia64.c unwind-sjlj.c unwind-c.c
144 .if ${TARGET_ARCH} == "powerpc"
145 # from config/rs6000/t-ppccomm
146 LIB2FUNCS_EXTRA = tramp.asm
147 LIB2FUNCS_STATIC_EXTRA = eabi.asm
150 .if ${TARGET_ARCH} == "powerpc64"
151 # from config/rs6000/t-ppccomm
152 LIB2FUNCS_EXTRA = tramp.asm
155 .if ${TARGET_CPUARCH} == "sparc64"
156 # from config/sparc/t-elf
157 LIB1ASMSRC = lb1spc.asm
158 LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3
161 #-----------------------------------------------------------------------
163 # Remove any objects from LIB2FUNCS and LIB2_DIVMOD_FUNCS that are
164 # defined as optimized assembly code in LIB1ASMFUNCS.
165 .if defined(LIB1ASMFUNCS)
166 .for sym in ${LIB1ASMFUNCS}
167 LIB2FUNCS:= ${LIB2FUNCS:S/${sym}//g}
168 LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:S/${sym}//g}
172 COMMONHDRS= tm.h tconfig.h options.h unwind.h gthr-default.h
174 #-----------------------------------------------------------------------
176 # Helpful shortcuts for compiler invocations.
178 HIDE = -fvisibility=hidden -DHIDE_EXPORTS
179 CC_T = ${CC} -c ${CFLAGS} ${HIDE} -fPIC
180 CC_P = ${CC} -c ${CFLAGS} ${HIDE} -p -fPIC
181 CC_S = ${CC} -c ${CFLAGS} ${PICFLAG} -DSHARED
183 #-----------------------------------------------------------------------
185 # Functions from libgcc2.c
188 DIV_CFLAGS = -fexceptions -fnon-call-exceptions
190 STD_FUNCS = ${LIB2FUNCS}
191 DIV_FUNCS = ${LIB2_DIVMOD_FUNCS}
193 STD_CFILE = libgcc2.c
194 DIV_CFILE = libgcc2.c
198 #-----------------------------------------------------------------------
200 # Floating point emulation functions
202 .if ${TARGET_CPUARCH} == "armNOT_YET" || \
203 ${TARGET_CPUARCH} == "powerpc" || ${TARGET_CPUARCH} == "sparc64"
205 FPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES -DFLOAT
206 DPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES
208 FPBIT_CFILE = config/fp-bit.c
209 DPBIT_CFILE = config/fp-bit.c
211 OBJ_GRPS += FPBIT DPBIT
214 #-----------------------------------------------------------------------
216 # Generic build rules for object groups defined above
218 .for T in ${OBJ_GRPS}
219 ${T}_OBJS_T = ${${T}_FUNCS:S/$/.o/}
220 ${T}_OBJS_P = ${${T}_FUNCS:S/$/.po/}
221 ${T}_OBJS_S = ${${T}_FUNCS:S/$/.So/}
222 SOBJS += ${${T}_FUNCS:S/$/.So/}
224 ${${T}_OBJS_T}: ${${T}_CFILE} ${COMMONHDRS}
225 ${CC_T} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
226 ${${T}_OBJS_P}: ${${T}_CFILE} ${COMMONHDRS}
227 ${CC_P} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
228 ${${T}_OBJS_S}: ${${T}_CFILE} ${COMMONHDRS}
229 ${CC_S} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
232 #-----------------------------------------------------------------------
234 # Extra objects coming from separate files
237 SOBJS += ${LIB2ADD:R:S/$/.So/}
240 #-----------------------------------------------------------------------
242 # Objects that should be in static library only.
244 SYMS_ST = ${LIB2FUNCS_ST} ${LIB2ADD_ST}
245 STAT_OBJS_T = ${SYMS_ST:S/$/.o/}
246 STAT_OBJS_P = ${SYMS_ST:S/$/.po/}
247 STATICOBJS = ${SYMS_ST:S/$/.o/}
249 ${STAT_OBJS_T}: ${STD_CFILE} ${COMMONHDRS}
250 ${CC_T} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
251 ${STAT_OBJS_P}: ${STD_CFILE} ${COMMONHDRS}
252 ${CC_P} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
254 #-----------------------------------------------------------------------
258 .if defined(LIB1ASMSRC)
259 ASM_T = ${LIB1ASMFUNCS:S/$/.o/}
260 ASM_P = ${LIB1ASMFUNCS:S/$/.po/}
261 ASM_S = ${LIB1ASMFUNCS:S/$/.So/}
262 ASM_V = ${LIB1ASMFUNCS:S/$/.vis/}
263 SOBJS += ${LIB1ASMFUNCS:S/$/.So/}
265 ${ASM_T}: ${LIB1ASMSRC} ${.PREFIX}.vis
266 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \
267 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis}
268 ${ASM_P}: ${LIB1ASMSRC} ${.PREFIX}.vis
269 ${CC} -x assembler-with-cpp -p -c ${CFLAGS} -DL${.PREFIX} \
270 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis}
271 ${ASM_S}: ${LIB1ASMSRC}
272 ${CC} -x assembler-with-cpp -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} \
273 -o ${.TARGET} ${.ALLSRC:N*.h}
274 ${ASM_V}: ${LIB1ASMSRC}
275 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \
276 -o ${.PREFIX}.vo ${.ALLSRC:N*.h}
277 ( nm -pg ${.PREFIX}.vo | \
278 awk 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t.hidden ", $$3 }'\
281 CLEANFILES += ${ASM_V} ${ASM_V:R:S/$/.vo/}
284 #-----------------------------------------------------------------------
286 # Exception handling / unwinding support.
288 EH_OBJS_T = ${LIB2ADDEHSTATIC:R:S/$/.o/}
289 EH_OBJS_P = ${LIB2ADDEHSTATIC:R:S/$/.po/}
290 EH_OBJS_S = ${LIB2ADDEHSHARED:R:S/$/.So/}
291 EH_CFLAGS = -fexceptions -D__GLIBC__=3 -DElfW=__ElfN
292 SOBJS += ${EH_OBJS_S}
294 .for _src in ${LIB2ADDEHSTATIC}
295 ${_src:R:S/$/.o/}: ${_src} ${COMMONHDRS}
296 ${CC_T} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
297 ${_src:R:S/$/.po/}: ${_src} ${COMMONHDRS}
298 ${CC_P} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
300 .for _src in ${LIB2ADDEHSHARED}
301 ${_src:R:S/$/.So/}: ${_src} ${COMMONHDRS}
302 ${CC_S} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
306 #-----------------------------------------------------------------------
310 ${COMMONHDRS}: ${.CURDIR}/../../usr.bin/cc/cc_tools/Makefile
311 ${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET}
313 CLEANFILES += ${COMMONHDRS}
314 CLEANFILES += cs-*.h option*
316 #-----------------------------------------------------------------------
318 # Build symbol version map
320 SHLIB_MKMAP = ${GCCDIR}/mkmap-symver.awk
322 SHLIB_MAPFILES = ${GCCDIR}/libgcc-std.ver
323 VERSION_MAP = libgcc.map
325 libgcc.map: ${SHLIB_MKMAP} ${SHLIB_MAPFILES} ${SOBJS}
326 ( nm -pg ${SOBJS};echo %% ; \
327 cat ${SHLIB_MAPFILES} \
328 | sed -e '/^[ ]*#/d' \
329 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
330 | ${CC} ${CFLAGS} -E -xassembler-with-cpp -; \
331 ) | awk -f ${SHLIB_MKMAP} ${SHLIB_MKMAP_OPTS} > ${.TARGET}
333 CLEANFILES += libgcc.map
335 #-----------------------------------------------------------------------
337 # Build additional static libgcc_eh[_p].a libraries.
339 libgcc_eh.a: ${EH_OBJS_T}
340 @${ECHO} building static gcc_eh library
342 ${AR} cq ${.TARGET} `lorder ${EH_OBJS_T} | tsort -q`
347 .if ${MK_PROFILE} != "no"
348 libgcc_eh_p.a: ${EH_OBJS_P}
349 @${ECHO} building profiled gcc_eh library
351 ${AR} cq ${.TARGET} `lorder ${EH_OBJS_P} | tsort -q`
356 _libinstall: _lib-eh-install
359 .if ${MK_INSTALLLIB} != "no"
360 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
361 ${_INSTALLFLAGS} libgcc_eh.a ${DESTDIR}${LIBDIR}
363 .if ${MK_PROFILE} != "no"
364 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
365 ${_INSTALLFLAGS} libgcc_eh_p.a ${DESTDIR}${LIBDIR}
368 CLEANFILES+= libgcc_eh.a libgcc_eh_p.a ${EH_OBJS_T} ${EH_OBJS_P}
370 .include <bsd.lib.mk>