Makefile revision 183167 
1# $FreeBSD: head/gnu/lib/libgcc/Makefile 183167 2008-09-19 03:09:36Z imp $
2GCCDIR=	${.CURDIR}/../../../contrib/gcc
3GCCLIB=	${.CURDIR}/../../../contrib/gcclibs
4
5LIB=		gcc
6SHLIB_NAME=	libgcc_s.so.1
7SHLIBDIR?=	/lib
8
9.include <bsd.own.mk>
10.include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt"
11
12.PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}/config ${GCCDIR}
13
14CFLAGS+=	-DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
15		-DHAVE_GTHR_DEFAULT \
16		-I${GCCLIB}/include \
17		-I${GCCDIR}/config -I${GCCDIR} -I. \
18		-I${.CURDIR}/../../usr.bin/cc/cc_tools
19
20LDFLAGS+=	-nodefaultlibs
21LDADD+=		-lc
22
23OBJS=		# added to below in various ways depending on TARGET_ARCH
24
25#---------------------------------------------------------------------------
26#
27# When upgrading GCC, get the following defintions straight from Makefile.in
28#
29# Library members defined in libgcc2.c.
30LIB2FUNCS= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \
31	_cmpdi2 _ucmpdi2 _clear_cache \
32	_enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \
33	_addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \
34	_ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \
35	_popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 \
36	_powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 \
37	_divxc3 _divtc3
38
39# The floating-point conversion routines that involve a single-word integer.
40.for mode in sf df xf
41LIB2FUNCS+= _fixuns${mode}si
42.endfor
43
44# Likewise double-word routines.
45.for mode in sf df xf tf
46LIB2FUNCS+= _fix${mode}di _fixuns${mode}di
47LIB2FUNCS+= _floatdi${mode} _floatundi${mode}
48.endfor
49
50LIB2ADD = $(LIB2FUNCS_EXTRA)
51LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA)
52
53# Additional sources to handle exceptions; overridden by targets as needed.
54LIB2ADDEH = unwind-dw2.c unwind-dw2-fde-glibc.c unwind-sjlj.c gthr-gnat.c \
55	unwind-c.c
56LIB2ADDEHSTATIC = $(LIB2ADDEH)
57LIB2ADDEHSHARED = $(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'.
61LIB2FUNCS_EXTRA =
62
63# List of extra C and assembler files to add to static libgcc2.
64# Assembler files should have names ending in `.asm'.
65LIB2FUNCS_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.
70LIB2FUNCS_ST = _eprintf __gcc_bcmp
71
72FPBIT_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
77DPBIT_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
82TPBIT_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.
89LIB2_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
98CFLAGS+=	-Dinhibit_libc -fno-inline
99LIB1ASMSRC =	lib1funcs.asm
100LIB1ASMFUNCS =  _dvmd_tls _bb_init_func
101LIB2FUNCS_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
114LIB1ASMSRC   = lib1funcs.asm
115LIB1ASMFUNCS = __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
120LIB2ADDEH = unwind-ia64.c unwind-sjlj.c unwind-c.c
121.endif
122
123.if ${TARGET_ARCH} == "powerpc"
124#	from config/rs6000/t-ppccomm
125LIB2FUNCS_EXTRA = tramp.asm
126LIB2FUNCS_STATIC_EXTRA = eabi.asm
127.endif
128
129.if ${TARGET_ARCH} == "sparc64"
130#	from config/sparc/t-elf
131LIB1ASMSRC =   lb1spc.asm
132LIB1ASMFUNCS = _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}
141LIB2FUNCS:=	${LIB2FUNCS:S/${sym}//g}
142LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:S/${sym}//g}
143.endfor
144.endif
145
146COMMONHDRS=	tm.h tconfig.h options.h unwind.h gthr-default.h
147
148#-----------------------------------------------------------------------
149#
150# Helpful shortcuts for compiler invocations.
151#
152HIDE =  -fvisibility=hidden -DHIDE_EXPORTS
153CC_T =	${CC} -c ${CFLAGS} ${HIDE} -fPIC
154CC_P =	${CC} -c ${CFLAGS} ${HIDE} -p -fPIC
155CC_S =	${CC} -c ${CFLAGS} ${PICFLAG} -DSHARED
156
157#-----------------------------------------------------------------------
158#
159# Functions from libgcc2.c
160#
161STD_CFLAGS =
162DIV_CFLAGS =	-fexceptions -fnon-call-exceptions
163
164STD_FUNCS =	${LIB2FUNCS}
165DIV_FUNCS =	${LIB2_DIVMOD_FUNCS}
166
167STD_CFILE =	libgcc2.c
168DIV_CFILE =	libgcc2.c
169
170OBJ_GRPS =	STD DIV
171
172#-----------------------------------------------------------------------
173#
174# Floating point emulation functions
175#
176.if ${TARGET_ARCH} == "armNOT_YET" || ${TARGET_ARCH} == "mips" || \
177    ${TARGET_ARCH} == "powerpc" || ${TARGET_ARCH} == "sparc64"
178
179FPBIT_CFLAGS =	-DFINE_GRAINED_LIBRARIES -DFLOAT
180DPBIT_CFLAGS =	-DFINE_GRAINED_LIBRARIES
181
182FPBIT_CFILE =	config/fp-bit.c
183DPBIT_CFILE =	config/fp-bit.c
184
185OBJ_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/}
196OBJS +=		${${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)
211OBJS  +=	${LIB2ADD:R:S/$/.o/}
212SOBJS +=	${LIB2ADD:R:S/$/.So/}
213POBJS +=	${LIB2ADD:R:S/$/.po/}
214.endif
215
216#-----------------------------------------------------------------------
217#
218# Objects that should be in static library only.
219#
220SYMS_ST =	${LIB2FUNCS_ST}	${LIB2ADD_ST}
221STAT_OBJS_T = 	${SYMS_ST:S/$/.o/}
222STAT_OBJS_P = 	${SYMS_ST:S/$/.po/}
223STATICOBJS  =	${SYMS_ST:S/$/.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)
235ASM_T =		${LIB1ASMFUNCS:S/$/.o/}
236ASM_P =		${LIB1ASMFUNCS:S/$/.po/}
237ASM_S =		${LIB1ASMFUNCS:S/$/.So/}
238ASM_V =		${LIB1ASMFUNCS:S/$/.vis/}
239OBJS +=		${LIB1ASMFUNCS:S/$/.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
257CLEANFILES += ${ASM_V} ${ASM_V:R:S/$/.vo/}
258.endif
259
260#-----------------------------------------------------------------------
261#
262# Exception handling / unwinding support.
263#
264EH_OBJS_T = ${LIB2ADDEHSTATIC:R:S/$/.o/}
265EH_OBJS_P = ${LIB2ADDEHSTATIC:R:S/$/.po/}
266EH_OBJS_S = ${LIB2ADDEHSHARED:R:S/$/.So/}
267EH_CFLAGS = -fexceptions -D__GLIBC__=3 -DElfW=__ElfN
268SOBJS    += ${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
289CLEANFILES += ${COMMONHDRS}
290CLEANFILES += cs-*.h option*
291
292#-----------------------------------------------------------------------
293#
294# Build additional static libgcc_eh[_p].a librarries.
295#
296SHLIB_MKMAP      = ${GCCDIR}/mkmap-symver.awk
297SHLIB_MKMAP_OPTS =
298SHLIB_MAPFILES   = ${GCCDIR}/libgcc-std.ver
299VERSION_MAP      = libgcc.map
300
301libgcc.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} > ${.TARGET}
308
309CLEANFILES +=	libgcc.map
310
311#-----------------------------------------------------------------------
312#
313# Build additional static libgcc_eh[_p].a librarries.
314#
315lib${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} ${.TARGET}
320
321all:	lib${LIB}_eh.a
322
323.if ${MK_PROFILE} != "no"
324lib${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} ${.TARGET}
329all:	lib${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
342CLEANFILES+=	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
347