2 GCCDIR= ${.CURDIR}/../../../contrib/gcc
3 GCCLIB= ${.CURDIR}/../../../contrib/gcclibs
6 SHLIB_NAME= libgcc_s.so.1
10 .include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt"
12 .PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}/config ${GCCDIR}
14 CFLAGS+= -DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
17 -I${GCCDIR}/config -I${GCCDIR} -I. \
18 -I${.CURDIR}/../../usr.bin/cc/cc_tools
20 LDFLAGS+= -nodefaultlibs
23 OBJS= # added to below in various ways depending on TARGET_ARCH
25 #---------------------------------------------------------------------------
27 # When upgrading GCC, get the following defintions straight from Makefile.in
29 # Library members defined in libgcc2.c.
30 LIB2FUNCS= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \
31 _cmpdi2 _ucmpdi2 _clear_cache \
32 _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \
33 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \
34 _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \
35 _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 \
36 _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 \
39 # The floating-point conversion routines that involve a single-word integer.
41 LIB2FUNCS+= _fixuns${mode}si
44 # Likewise double-word routines.
45 .for mode in sf df xf tf
46 LIB2FUNCS+= _fix${mode}di _fixuns${mode}di
47 LIB2FUNCS+= _floatdi${mode} _floatundi${mode}
50 LIB2ADD = $(LIB2FUNCS_EXTRA)
51 LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA)
53 # Additional sources to handle exceptions; overridden by targets as needed.
54 LIB2ADDEH = unwind-dw2.c unwind-dw2-fde-glibc.c unwind-sjlj.c gthr-gnat.c \
56 LIB2ADDEHSTATIC = $(LIB2ADDEH)
57 LIB2ADDEHSHARED = $(LIB2ADDEH)
59 # List of extra C and assembler files to add to static and shared libgcc2.
60 # Assembler files should have names ending in `.asm'.
63 # List of extra C and assembler files to add to static libgcc2.
64 # Assembler files should have names ending in `.asm'.
65 LIB2FUNCS_STATIC_EXTRA =
67 # Defined in libgcc2.c, included only in the static library.
68 # KAN: Excluded _sf_to_tf and _df_to_tf as TPBIT_FUNCS are not
69 # built on any of our platforms.
70 LIB2FUNCS_ST = _eprintf __gcc_bcmp
72 FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
73 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
74 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
75 _sf_to_df _thenan_sf _sf_to_usi _usi_to_sf
77 DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
78 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
79 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
80 _df_to_sf _thenan_df _df_to_usi _usi_to_df
82 TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
83 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
84 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
85 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
87 # These might cause a divide overflow trap and so are compiled with
89 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
91 #-----------------------------------------------------------------------
93 # Platform specific bits.
94 # When upgrading GCC, get the following definitions from config/<cpu>/t-*
96 .if ${TARGET_ARCH} == "arm"
97 # from config/arm/t-strongarm-elf
98 CFLAGS+= -Dinhibit_libc -fno-inline
99 LIB1ASMSRC = lib1funcs.asm
100 LIB1ASMFUNCS = _dvmd_tls _bb_init_func
101 LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
104 #LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func
105 #LIB1ASMFUNCS+= _call_via_rX _interwork_call_via_rX \
106 # _lshrdi3 _ashrdi3 _ashldi3 \
107 # _negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
108 # _truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
109 # _fixsfsi _fixunssfsi _floatdidf _floatdisf
112 .if ${TARGET_ARCH} == "ia64"
113 # from config/ia64/t-ia64
114 LIB1ASMSRC = lib1funcs.asm
115 LIB1ASMFUNCS = __divxf3 __divdf3 __divsf3 \
116 __divdi3 __moddi3 __udivdi3 __umoddi3 \
117 __divsi3 __modsi3 __udivsi3 __umodsi3 __save_stack_nonlocal \
118 __nonlocal_goto __restore_stack_nonlocal __trampoline \
119 _fixtfdi _fixunstfdi _floatditf
120 LIB2ADDEH = unwind-ia64.c unwind-sjlj.c unwind-c.c
123 .if ${TARGET_ARCH} == "powerpc"
124 # from config/rs6000/t-ppccomm
125 LIB2FUNCS_EXTRA = tramp.asm darwin-ldouble.c
126 LIB2FUNCS_STATIC_EXTRA = eabi.asm
129 .if ${TARGET_ARCH} == "sparc64"
130 # from config/sparc/t-elf
131 LIB1ASMSRC = lb1spc.asm
132 LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3
135 #-----------------------------------------------------------------------
137 # Remove any objects from LIB2FUNCS and LIB2_DIVMOD_FUNCS that are
138 # defined as optimized assembly code in LIB1ASMFUNCS.
139 .if defined(LIB1ASMFUNCS)
140 .for sym in ${LIB1ASMFUNCS}
141 LIB2FUNCS:= ${LIB2FUNCS:S/${sym}//g}
142 LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:S/${sym}//g}
146 COMMONHDRS= tm.h tconfig.h options.h unwind.h gthr-default.h
148 #-----------------------------------------------------------------------
150 # Helpful shortcuts for compiler invocations.
152 HIDE = -fvisibility=hidden -DHIDE_EXPORTS
153 CC_T = ${CC} -c ${CFLAGS} ${HIDE} -fPIC
154 CC_P = ${CC} -c ${CFLAGS} ${HIDE} -p -fPIC
155 CC_S = ${CC} -c ${CFLAGS} ${PICFLAG} -DSHARED
157 #-----------------------------------------------------------------------
159 # Functions from libgcc2.c
162 DIV_CFLAGS = -fexceptions -fnon-call-exceptions
164 STD_FUNCS = ${LIB2FUNCS}
165 DIV_FUNCS = ${LIB2_DIVMOD_FUNCS}
167 STD_CFILE = libgcc2.c
168 DIV_CFILE = libgcc2.c
172 #-----------------------------------------------------------------------
174 # Floating point emulation functions
176 .if ${TARGET_ARCH} == "armNOT_YET" || ${TARGET_ARCH} == "powerpc" || \
177 ${TARGET_ARCH} == "sparc64"
179 FPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES -DFLOAT
180 DPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES
182 FPBIT_CFILE = config/fp-bit.c
183 DPBIT_CFILE = config/fp-bit.c
185 OBJ_GRPS += FPBIT DPBIT
188 #-----------------------------------------------------------------------
190 # Generic build rules for object groups defined above
192 .for T in ${OBJ_GRPS}
193 ${T}_OBJS_T = ${${T}_FUNCS:S/$/.o/}
194 ${T}_OBJS_P = ${${T}_FUNCS:S/$/.po/}
195 ${T}_OBJS_S = ${${T}_FUNCS:S/$/.So/}
196 OBJS += ${${T}_FUNCS:S/$/.o/}
198 ${${T}_OBJS_T}: ${${T}_CFILE} ${COMMONHDRS}
199 ${CC_T} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
200 ${${T}_OBJS_P}: ${${T}_CFILE} ${COMMONHDRS}
201 ${CC_P} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
202 ${${T}_OBJS_S}: ${${T}_CFILE} ${COMMONHDRS}
203 ${CC_S} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
206 #-----------------------------------------------------------------------
208 # Extra objects coming from separate files
211 OBJS += ${LIB2ADD:R:S/$/.o/}
212 SOBJS += ${LIB2ADD:R:S/$/.So/}
213 POBJS += ${LIB2ADD:R:S/$/.po/}
216 #-----------------------------------------------------------------------
218 # Objects that should be in static library only.
220 SYMS_ST = ${LIB2FUNCS_ST} ${LIB2ADD_ST}
221 STAT_OBJS_T = ${SYMS_ST:S/$/.o/}
222 STAT_OBJS_P = ${SYMS_ST:S/$/.po/}
223 STATICOBJS = ${SYMS_ST:S/$/.o/}
225 ${STAT_OBJS_T}: ${STD_CFILE} ${COMMONHDRS}
226 ${CC_T} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
227 ${STAT_OBJS_P}: ${STD_CFILE} ${COMMONHDRS}
228 ${CC_P} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
230 #-----------------------------------------------------------------------
234 .if defined(LIB1ASMSRC)
235 ASM_T = ${LIB1ASMFUNCS:S/$/.o/}
236 ASM_P = ${LIB1ASMFUNCS:S/$/.po/}
237 ASM_S = ${LIB1ASMFUNCS:S/$/.So/}
238 ASM_V = ${LIB1ASMFUNCS:S/$/.vis/}
239 OBJS += ${LIB1ASMFUNCS:S/$/.o/}
241 ${ASM_T}: ${LIB1ASMSRC} ${.PREFIX}.vis
242 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \
243 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis}
244 ${ASM_P}: ${LIB1ASMSRC} ${.PREFIX}.vis
245 ${CC} -x assembler-with-cpp -p -c ${CFLAGS} -DL${.PREFIX} \
246 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis}
247 ${ASM_S}: ${LIB1ASMSRC}
248 ${CC} -x assembler-with-cpp -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} \
249 -o ${.TARGET} ${.ALLSRC:N*.h}
250 ${ASM_V}: ${LIB1ASMSRC}
251 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \
252 -o ${.PREFIX}.vo ${.ALLSRC:N*.h}
253 ( nm -pg ${.PREFIX}.vo | \
254 awk 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t.hidden ", $$3 }'\
257 CLEANFILES += ${ASM_V} ${ASM_V:R:S/$/.vo/}
260 #-----------------------------------------------------------------------
262 # Exception handling / unwinding support.
264 EH_OBJS_T = ${LIB2ADDEHSTATIC:R:S/$/.o/}
265 EH_OBJS_P = ${LIB2ADDEHSTATIC:R:S/$/.po/}
266 EH_OBJS_S = ${LIB2ADDEHSHARED:R:S/$/.So/}
267 EH_CFLAGS = -fexceptions -D__GLIBC__=3 -DElfW=__ElfN
268 SOBJS += ${EH_OBJS_S}
270 .for _src in ${LIB2ADDEHSTATIC}
271 ${_src:R:S/$/.o/}: ${_src} ${COMMONHDRS}
272 ${CC_T} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
273 ${_src:R:S/$/.po/}: ${_src} ${COMMONHDRS}
274 ${CC_P} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
276 .for _src in ${LIB2ADDEHSHARED}
277 ${_src:R:S/$/.So/}: ${_src} ${COMMONHDRS}
278 ${CC_S} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
282 #-----------------------------------------------------------------------
286 ${COMMONHDRS}: ${.CURDIR}/../../usr.bin/cc/cc_tools/Makefile
287 ${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET}
289 CLEANFILES += ${COMMONHDRS}
290 CLEANFILES += cs-*.h option*
292 #-----------------------------------------------------------------------
294 # Build additional static libgcc_eh[_p].a librarries.
296 SHLIB_MKMAP = ${GCCDIR}/mkmap-symver.awk
298 SHLIB_MAPFILES = ${GCCDIR}/libgcc-std.ver
299 VERSION_MAP = libgcc.map
301 libgcc.map: ${SHLIB_MKMAP} ${SHLIB_MAPFILES} ${SOBJS} ${OBJS:R:S/$/.So/}
302 ( nm -pg ${SOBJS};echo %% ; \
303 cat ${SHLIB_MAPFILES} \
304 | sed -e '/^[ ]*#/d' \
305 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
306 | ${CC} ${CFLAGS} -E -xassembler-with-cpp -; \
307 ) | awk -f ${SHLIB_MKMAP} ${SHLIB_MKMAP_OPTS} > ${.TARGET}
309 CLEANFILES += libgcc.map
311 #-----------------------------------------------------------------------
313 # Build additional static libgcc_eh[_p].a librarries.
315 lib${LIB}_eh.a: ${EH_OBJS_T}
316 @${ECHO} building static ${LIB}_eh library
318 @${AR} cq ${.TARGET} `lorder ${EH_OBJS_T} | tsort -q`
323 .if ${MK_PROFILE} != "no"
324 lib${LIB}_eh_p.a: ${EH_OBJS_P}
325 @${ECHO} building profiled ${LIB}_eh library
327 @${AR} cq ${.TARGET} `lorder ${EH_OBJS_P} | tsort -q`
329 all: lib${LIB}_eh_p.a
332 _libinstall: _lib-eh-install
335 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
336 ${_INSTALLFLAGS} lib${LIB}_eh.a ${DESTDIR}${LIBDIR}
337 .if ${MK_PROFILE} != "no"
338 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
339 ${_INSTALLFLAGS} lib${LIB}_eh_p.a ${DESTDIR}${LIBDIR}
342 CLEANFILES+= lib${LIB}_eh.a lib${LIB}_eh_p.a ${EH_OBJS_T} ${EH_OBJS_P}
344 .include <bsd.lib.mk>