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Create releng/7.2 from stable/7 in preparation for 7.2-RELEASE.
[FreeBSD/releng/7.2.git] / gnu / lib / libgcc / Makefile
1 # $FreeBSD$
2 GCCDIR= ${.CURDIR}/../../../contrib/gcc
3 GCCLIB= ${.CURDIR}/../../../contrib/gcclibs
4
5 LIB=            gcc
6 SHLIB_NAME=     libgcc_s.so.1
7 SHLIBDIR?=      /lib
8
9 .include <bsd.own.mk>
10 .include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt"
11
12 .PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}/config ${GCCDIR}
13
14 CFLAGS+=        -DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
15                 -DHAVE_GTHR_DEFAULT \
16                 -I${GCCLIB}/include \
17                 -I${GCCDIR}/config -I${GCCDIR} -I. \
18                 -I${.CURDIR}/../../usr.bin/cc/cc_tools
19
20 LDFLAGS+=       -nodefaultlibs
21 LDADD+=         -lc
22
23 OBJS=           # added to below in various ways depending on TARGET_ARCH
24
25 #---------------------------------------------------------------------------
26 #
27 # When upgrading GCC, get the following defintions straight from Makefile.in
28 #
29 # Library members defined in libgcc2.c.
30 LIB2FUNCS= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \
31         _cmpdi2 _ucmpdi2 _clear_cache \
32         _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \
33         _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \
34         _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \
35         _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 \
36         _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 \
37         _divxc3 _divtc3
38
39 # The floating-point conversion routines that involve a single-word integer.
40 .for mode in sf df xf
41 LIB2FUNCS+= _fixuns${mode}si
42 .endfor
43
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}
48 .endfor
49
50 LIB2ADD = $(LIB2FUNCS_EXTRA)
51 LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA)
52
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 \
55         unwind-c.c
56 LIB2ADDEHSTATIC = $(LIB2ADDEH)
57 LIB2ADDEHSHARED = $(LIB2ADDEH)
58
59 # List of extra C and assembler files to add to static and shared libgcc2.
60 # Assembler files should have names ending in `.asm'.
61 LIB2FUNCS_EXTRA =
62
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 =
66
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
71
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
76
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
81
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
86
87 # These might cause a divide overflow trap and so are compiled with
88 # unwinder info.
89 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
90
91 #-----------------------------------------------------------------------
92 #
93 #       Platform specific bits.
94 #       When upgrading GCC, get the following definitions from config/<cpu>/t-*
95 #
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
102
103 # Not now
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
110 .endif
111
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
121 .endif
122
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
127 .endif
128
129 .if ${TARGET_ARCH} == "sparc64"
130 #       from config/sparc/t-elf
131 LIB1ASMSRC =   lb1spc.asm
132 LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3
133 .endif
134
135 #-----------------------------------------------------------------------
136
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}
143 .endfor
144 .endif
145
146 COMMONHDRS=     tm.h tconfig.h options.h unwind.h gthr-default.h
147
148 #-----------------------------------------------------------------------
149 #
150 # Helpful shortcuts for compiler invocations.
151 #
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
156
157 #-----------------------------------------------------------------------
158 #
159 # Functions from libgcc2.c
160 #
161 STD_CFLAGS =
162 DIV_CFLAGS =    -fexceptions -fnon-call-exceptions
163
164 STD_FUNCS =     ${LIB2FUNCS}
165 DIV_FUNCS =     ${LIB2_DIVMOD_FUNCS}
166
167 STD_CFILE =     libgcc2.c
168 DIV_CFILE =     libgcc2.c
169
170 OBJ_GRPS =      STD DIV
171
172 #-----------------------------------------------------------------------
173 #
174 # Floating point emulation functions
175 #
176 .if ${TARGET_ARCH} == "armNOT_YET" || ${TARGET_ARCH} == "powerpc" || \
177     ${TARGET_ARCH} == "sparc64"
178
179 FPBIT_CFLAGS =  -DFINE_GRAINED_LIBRARIES -DFLOAT
180 DPBIT_CFLAGS =  -DFINE_GRAINED_LIBRARIES
181
182 FPBIT_CFILE =   config/fp-bit.c
183 DPBIT_CFILE =   config/fp-bit.c
184
185 OBJ_GRPS +=     FPBIT DPBIT
186 .endif
187
188 #-----------------------------------------------------------------------
189 #
190 # Generic build rules for object groups defined above
191 #
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/}
197
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}
204 .endfor
205
206 #-----------------------------------------------------------------------
207 #
208 # Extra objects coming from separate files
209 #
210 .if !empty(LIB2ADD)
211 OBJS  +=        ${LIB2ADD:R:S/$/.o/}
212 SOBJS +=        ${LIB2ADD:R:S/$/.So/}
213 POBJS +=        ${LIB2ADD:R:S/$/.po/}
214 .endif
215
216 #-----------------------------------------------------------------------
217 #
218 # Objects that should be in static library only.
219 #
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/}
224
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}
229
230 #-----------------------------------------------------------------------
231 #
232 # Assembler files.
233 #
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/}
240
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 }'\
255         ) > ${.TARGET}
256
257 CLEANFILES += ${ASM_V} ${ASM_V:R:S/$/.vo/}
258 .endif
259
260 #-----------------------------------------------------------------------
261 #
262 # Exception handling / unwinding support.
263 #
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}
269
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}
275 .endfor
276 .for _src in ${LIB2ADDEHSHARED}
277 ${_src:R:S/$/.So/}: ${_src} ${COMMONHDRS}
278         ${CC_S} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
279 .endfor
280
281
282 #-----------------------------------------------------------------------
283 #
284 # Generated headers
285 #
286 ${COMMONHDRS}: ${.CURDIR}/../../usr.bin/cc/cc_tools/Makefile
287         ${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET}
288
289 CLEANFILES += ${COMMONHDRS}
290 CLEANFILES += cs-*.h option*
291
292 #-----------------------------------------------------------------------
293 #
294 # Build additional static libgcc_eh[_p].a librarries.
295 #
296 SHLIB_MKMAP      = ${GCCDIR}/mkmap-symver.awk
297 SHLIB_MKMAP_OPTS =
298 SHLIB_MAPFILES   = ${GCCDIR}/libgcc-std.ver
299 VERSION_MAP      = libgcc.map
300
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} > ${.TARGET}
308
309 CLEANFILES +=   libgcc.map
310
311 #-----------------------------------------------------------------------
312 #
313 # Build additional static libgcc_eh[_p].a librarries.
314 #
315 lib${LIB}_eh.a: ${EH_OBJS_T}
316         @${ECHO} building static ${LIB}_eh library
317         @rm -f ${.TARGET}
318         @${AR} cq ${.TARGET} `lorder ${EH_OBJS_T} | tsort -q`
319         ${RANLIB} ${.TARGET}
320
321 all:    lib${LIB}_eh.a
322
323 .if ${MK_PROFILE} != "no"
324 lib${LIB}_eh_p.a:       ${EH_OBJS_P}
325         @${ECHO} building profiled ${LIB}_eh library
326         @rm -f ${.TARGET}
327         @${AR} cq ${.TARGET} `lorder ${EH_OBJS_P} | tsort -q`
328         ${RANLIB} ${.TARGET}
329 all:    lib${LIB}_eh_p.a
330 .endif
331
332 _libinstall: _lib-eh-install
333
334 _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}
340 .endif
341
342 CLEANFILES+=    lib${LIB}_eh.a lib${LIB}_eh_p.a ${EH_OBJS_T} ${EH_OBJS_P}
343
344 .include <bsd.lib.mk>
345
346 .SUFFIXES: .vis .vo