1# $FreeBSD: src/gnu/lib/libgcc/Makefile,v 1.58.8.1 2009/04/15 03:14:26 kensmith Exp $
2# $OpenBSD: Makefile,v 1.30 2018/01/04 19:46:31 kettenis Exp $
3
4.include <bsd.own.mk>
5
6GCCLIB= ${.CURDIR}/../../../gcc
7GCCDIR= ${GCCLIB}/gcc
8
9.include "../Makefile.tgt"
10
11.if defined(CROSSDIR)
12LD=${CROSSDIR}/usr/${GCC_TARGET}/bin/ld
13RANLIB=${CROSSDIR}/usr/${GCC_TARGET}/bin/ranlib
14.endif
15
16.if defined(CROSS_TARGET)
17#Building cc for target, CC should already be the cross compiler
18.elif ${.OBJDIR} != ${.CURDIR}
19CC=${.OBJDIR}/../cc/cc -B ${.OBJDIR}/../cc1
20.else
21CC=${.CURDIR}/../cc/cc -B ${.CURDIR}/../cc1
22.endif
23
24.include "${.CURDIR}/../Makefile.ver"
25
26LIB=		gcc
27LIBDIR=		/usr/lib/gcc-lib/${GCC_TARGET}/${BASEVER}
28
29NOPROFILE=	Yes
30NOPIC=		Yes
31
32.include "${.CURDIR}/../Makefile.tgt"
33
34.PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}/config ${GCCDIR}
35
36CFLAGS+=	-DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
37		-DHAVE_GTHR_DEFAULT \
38		-I${GCCLIB}/include \
39		-I${GCCDIR}/config -I${GCCDIR} -I. \
40		-I${.CURDIR}/../cc_tools \
41		-fno-stack-protector
42
43LDFLAGS+=	-nodefaultlibs
44LDADD+=		-lc
45
46OBJS=		# added to below in various ways depending on TARGET_ARCH
47
48#---------------------------------------------------------------------------
49#
50# When upgrading GCC, get the following defintions straight from Makefile.in
51#
52# Library members defined in libgcc2.c.
53LIB2FUNCS= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \
54	_cmpdi2 _ucmpdi2 _clear_cache \
55	_enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \
56	_addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \
57	_ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \
58	_popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 \
59	_powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 \
60	_divxc3 _divtc3
61
62# The floating-point conversion routines that involve a single-word integer.
63.for mode in sf df xf
64SWFLOATFUNCS+= _fixuns${mode}si
65.endfor
66
67# Likewise double-word routines.
68.for mode in sf df xf tf
69DWFLOATFUNCS+= _fix${mode}di _fixuns${mode}di
70DWFLOATFUNCS+= _floatdi${mode} _floatundi${mode}
71.endfor
72
73LIB2ADD = $(LIB2FUNCS_EXTRA)
74LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA)
75
76# Additional sources to handle exceptions; overridden by targets as needed.
77LIB2ADDEH = unwind-dw2.c unwind-sjlj.c gthr-gnat.c \
78	unwind-c.c unwind-dw2-fde-openbsd.c
79LIB2ADDEHSTATIC = $(LIB2ADDEH)
80LIB2ADDEHSHARED = $(LIB2ADDEH)
81
82# List of extra C and assembler files to add to static and shared libgcc2.
83# Assembler files should have names ending in `.asm'.
84LIB2FUNCS_EXTRA =
85
86# List of extra C and assembler files to add to static libgcc2.
87# Assembler files should have names ending in `.asm'.
88LIB2FUNCS_STATIC_EXTRA =
89
90# Defined in libgcc2.c, included only in the static library.
91LIB2FUNCS_ST = _eprintf __gcc_bcmp
92
93FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
94    _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
95    _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
96    _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf _sf_to_tf
97
98DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
99    _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
100    _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
101    _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
102
103TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
104    _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
105    _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
106    _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
107
108# These might cause a divide overflow trap and so are compiled with
109# unwinder info.
110LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
111
112#-----------------------------------------------------------------------
113#
114#	Platform specific bits.
115#	When upgrading GCC, get the following definitions from config/<cpu>/t-*
116#
117.if ${TARGET_ARCH} == "alpha"
118CFLAGS+=	-mieee
119LIB2FUNCS_EXTRA = qrnnd.asm
120.endif
121
122.if ${TARGET_ARCH} == "arm"
123#	from config/arm/t-strongarm-elf
124CFLAGS+=	-Dinhibit_libc -fno-inline
125LIB1ASMSRC =	lib1funcs.asm
126LIB1ASMFUNCS =  _dvmd_tls _bb_init_func
127LIB1ASMFUNCS+=	_aeabi_lcmp _aeabi_ulcmp _aeabi_ldivmod _aeabi_uldivmod
128LIB1ASMFUNCS+=	_cmpsf2 _fixunssfsi _negsf2
129LIB1ASMFUNCS+=	_cmpdf2 _fixunsdfsi _negdf2
130LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
131LIB2ADDEH =	unwind-arm.c libunwind.S pr-support.c unwind-c.c
132SWFLOATFUNCS =	
133DWFLOATFUNCS =	_floatundisf _floatundidf
134
135# Not now
136#LIB1ASMFUNCS =  _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func
137#LIB1ASMFUNCS+=	_call_via_rX _interwork_call_via_rX \
138#	_lshrdi3 _ashrdi3 _ashldi3 \
139#	_negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
140#	_truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
141#	_fixsfsi _fixunssfsi _floatdidf _floatdisf
142.endif
143
144.if ${TARGET_ARCH} == "hppa"
145CFLAGS+=	-fPIC -DELF=1 -DLINUX=1
146LIB1ASMFUNCS =	_divI _divU _remI _remU _div_const _mulI _dyncall
147LIB1ASMSRC =	pa/milli64.S
148LIB2FUNCS_EXTRA = fptr.c
149.endif
150
151.if ${TARGET_ARCH} == "hppa64"
152CFLAGS+=	-fPIC -Dpa64=1 -DELF=1
153LIB1ASMFUNCS =	_divI _divU _remI _remU _div_const _mulI
154LIB1ASMSRC =	pa/milli64.S
155LIB2FUNCS_EXTRA = fptr.c
156.endif
157
158.if ${TARGET_ARCH} == "ia64"
159LIB1ASMSRC =	ia64/lib1funcs.asm
160LIB1ASMFUNCS =	__divxf3 __divdf3 __divsf3 \
161	__divdi3 __moddi3 __udivdi3 __umoddi3 \
162	__divsi3 __modsi3 __udivsi3 __umodsi3 __save_stack_nonlocal \
163	__nonlocal_goto __restore_stack_nonlocal __trampoline \
164	_fixtfdi _fixunstfdi _floatditf
165LIB2ADDEH = unwind-ia64.c unwind-sjlj.c unwind-c.c
166.endif
167
168.if ${TARGET_ARCH} == "mips64" || ${TARGET_ARCH} == "mips64el"
169LIB2FUNCS_EXTRA = sync.S
170.endif
171
172.if ${TARGET_ARCH} == "sh"
173CFLAGS+=	-fpic -DNO_FPSCR_VALUES
174LIB1ASMSRC = sh/lib1funcs.asm
175LIB1ASMFUNCS = _ashiftrt _ashiftrt_n _ashiftlt _lshiftrt _movmem \
176  _movmem_i4 _mulsi3 _sdivsi3 _sdivsi3_i4 _udivsi3 _udivsi3_i4 _set_fpscr \
177  _udiv_qrnnd_16 _ic_invalidate _ic_invalidate_array
178.endif
179
180.if ${TARGET_ARCH} == "powerpc"
181#	from config/rs6000/t-ppccomm
182LIB2FUNCS_EXTRA = tramp.asm darwin-ldouble.c
183LIB2FUNCS_STATIC_EXTRA = eabi.asm
184.endif
185
186#-----------------------------------------------------------------------
187
188# Remove any objects from LIB2FUNCS and LIB2_DIVMOD_FUNCS that are
189# defined as optimized assembly code in LIB1ASMFUNCS.
190.if defined(LIB1ASMFUNCS)
191.for sym in ${LIB1ASMFUNCS}
192LIB2FUNCS:=	${LIB2FUNCS:S/${sym}//g}
193LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:S/${sym}//g}
194.endfor
195.endif
196
197COMMONHDRS=	tm.h tconfig.h options.h unwind.h gthr-default.h
198
199#-----------------------------------------------------------------------
200#
201# Helpful shortcuts for compiler invocations.
202#
203#HIDE =  -fvisibility=hidden -DHIDE_EXPORTS
204CC_T =	${CC} -c ${CFLAGS} ${HIDE} -fPIC
205CC_P =	${CC} -c ${CFLAGS} ${HIDE} -p -fPIC
206CC_S =	${CC} -c ${CFLAGS} ${PICFLAG} -DSHARED
207
208#-----------------------------------------------------------------------
209#
210# Functions from libgcc2.c
211#
212STD_CFLAGS =
213DIV_CFLAGS =	-fexceptions -fnon-call-exceptions
214SW_CFLAGS =
215DW_CFLAGS =
216
217STD_FUNCS =	${LIB2FUNCS}
218DIV_FUNCS =	${LIB2_DIVMOD_FUNCS}
219SI_FUNCS =	${SWFLOATFUNCS}
220DI_FUNCS =	${DWFLOATFUNCS}
221
222STD_CFILE =	libgcc2.c
223DIV_CFILE =	libgcc2.c
224SI_CFILE =	libgcc2.c
225DI_CFILE =	libgcc2.c
226
227OBJ_GRPS =	STD DIV SI DI
228
229#-----------------------------------------------------------------------
230#
231# Floating point emulation functions
232#
233.if ${TARGET_ARCH} == "armNOT_YET" || ${TARGET_ARCH} == "m88k" || \
234    ${TARGET_ARCH} == "mips64" || ${TARGET_ARCH} == "mips64el" || \
235    ${TARGET_ARCH} == "powerpc" || \
236    ${TARGET_ARCH} == "sparc64"
237
238FPBIT_CFLAGS =	-DFINE_GRAINED_LIBRARIES -DFLOAT
239DPBIT_CFLAGS =	-DFINE_GRAINED_LIBRARIES
240
241.if ${TARGET_ARCH} == "mips64" || ${TARGET_ARCH} == "mips64el"
242SI_CFLAGS +=	-DLIBGCC2_UNITS_PER_WORD=4
243DI_CFLAGS +=	-DLIBGCC2_UNITS_PER_WORD=4
244
245TI_FUNCS =	${DWFLOATFUNCS:S/di/ti/}
246TI_CFILE =	libgcc2.c
247
248FPBIT_CFLAGS +=	-DTMODES
249DPBIT_CFLAGS +=	-DTMODES
250.endif
251
252.if ${TARGET_ARCH} == "mips64el"
253FPBIT_CFLAGS +=	-DFLOAT_BIT_ORDER_MISMATCH
254DPBIT_CFLAGS +=	-DFLOAT_BIT_ORDER_MISMATCH
255.endif
256
257FPBIT_CFILE =	config/fp-bit.c
258DPBIT_CFILE =	config/fp-bit.c
259
260OBJ_GRPS +=	FPBIT DPBIT
261.endif
262
263.if ${TARGET_ARCH} == "mips64" || ${TARGET_ARCH} == "mips64el"
264
265TPBIT_CFLAGS =	-DFINE_GRAINED_LIBRARIES -DTFLOAT
266
267.if ${TARGET_ARCH} == "mips64el"
268TPBIT_CFLAGS +=	-DFLOAT_BIT_ORDER_MISMATCH
269.endif
270
271TPBIT_CFILE =	config/fp-bit.c
272
273OBJ_GRPS +=	TPBIT
274.endif
275
276#-----------------------------------------------------------------------
277#
278# Generic build rules for object groups defined above
279#
280.for T in ${OBJ_GRPS}
281${T}_OBJS_T =	${${T}_FUNCS:S/$/.o/}
282${T}_OBJS_P =	${${T}_FUNCS:S/$/.po/}
283${T}_OBJS_S =	${${T}_FUNCS:S/$/.So/}
284OBJS +=		${${T}_FUNCS:S/$/.o/}
285
286${${T}_OBJS_T}: ${${T}_CFILE} ${COMMONHDRS}
287	${CC_T} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
288${${T}_OBJS_P}: ${${T}_CFILE} ${COMMONHDRS}
289	${CC_P} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
290${${T}_OBJS_S}: ${${T}_CFILE} ${COMMONHDRS}
291	${CC_S} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
292.endfor
293
294#-----------------------------------------------------------------------
295#
296# Special versions of the floating-point conversion routines.
297#
298.if !empty{TI_FUNCS}
299TI_OBJS_T =	${TI_FUNCS:S/$/.o/}
300OBJS +=		${TI_FUNCS:S/$/.o/}
301
302${TI_OBJS_T}: ${TI_CFILE} ${COMMONHDRS}
303	${CC_T} ${TI_CFLAGS} -DL${.PREFIX:S/ti/di/} -o ${.TARGET} ${.ALLSRC:M*.c}
304${TI_OBJS_P}: ${TI_CFILE} ${COMMONHDRS}
305	${CC_P} ${TI_CFLAGS} -DL${.PREFIX:S/ti/di/} -o ${.TARGET} ${.ALLSRC:M*.c}
306${TI_OBJS_T}: ${TI_CFILE} ${COMMONHDRS}
307	${CC_S} ${TI_CFLAGS} -DL${.PREFIX:S/ti/di/} -o ${.TARGET} ${.ALLSRC:M*.c}
308.endif
309
310#-----------------------------------------------------------------------
311#
312# Extra objects coming from separate files
313#
314.if !empty(LIB2ADD)
315OBJS  +=	${LIB2ADD:R:S/$/.o/}
316SOBJS +=	${LIB2ADD:R:S/$/.So/}
317POBJS +=	${LIB2ADD:R:S/$/.po/}
318.endif
319
320#-----------------------------------------------------------------------
321#
322# Objects that should be in static library only.
323#
324SYMS_ST =	${LIB2FUNCS_ST}	${LIB2ADD_ST}
325STAT_OBJS_T = 	${SYMS_ST:S/$/.o/}
326STAT_OBJS_P = 	${SYMS_ST:S/$/.po/}
327STATICOBJS  =	${SYMS_ST:S/$/.o/}
328
329${STAT_OBJS_T}:	${STD_CFILE} ${COMMONHDRS}
330	${CC_T} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
331${STAT_OBJS_P}:	${STD_CFILE} ${COMMONHDRS}
332	${CC_P} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
333
334#-----------------------------------------------------------------------
335#
336# Assembler files.
337#
338.if defined(LIB1ASMSRC)
339ASM_T =		${LIB1ASMFUNCS:S/$/.o/}
340ASM_P =		${LIB1ASMFUNCS:S/$/.po/}
341ASM_S =		${LIB1ASMFUNCS:S/$/.So/}
342ASM_V =		${LIB1ASMFUNCS:S/$/.vis/}
343OBJS +=		${LIB1ASMFUNCS:S/$/.o/}
344
345${ASM_T}: ${LIB1ASMSRC} ${.PREFIX}.vis
346	${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \
347	    -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis}
348${ASM_P}: ${LIB1ASMSRC} ${.PREFIX}.vis
349	${CC} -x assembler-with-cpp -p -c ${CFLAGS} -DL${.PREFIX} \
350	    -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis}
351${ASM_S}: ${LIB1ASMSRC}
352	${CC} -x assembler-with-cpp -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} \
353	    -o ${.TARGET} ${.ALLSRC:N*.h}
354${ASM_V}: ${LIB1ASMSRC}
355	${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \
356	    -o ${.PREFIX}.vo ${.ALLSRC:N*.h}
357	( nm -pg ${.PREFIX}.vo | \
358		awk 'NF == 3 && $$2 !~ /^[FUN]$$/ { print "\t.hidden ", $$3 }'\
359	) > ${.TARGET}
360
361CLEANFILES += ${ASM_V} ${ASM_V:R:S/$/.vo/}
362.endif
363
364#-----------------------------------------------------------------------
365#
366# Exception handling / unwinding support.
367#
368EH_OBJS_T = ${LIB2ADDEHSTATIC:R:S/$/.o/}
369EH_OBJS_P = ${LIB2ADDEHSTATIC:R:S/$/.po/}
370EH_OBJS_S = ${LIB2ADDEHSHARED:R:S/$/.So/}
371EH_CFLAGS = -fexceptions
372.if ${TARGET_ARCH} == "sh"
373EH_CFLAGS+= -fno-stack-protector	# necessary for unwind-dw2.c
374.endif
375SOBJS   += ${EH_OBJS_S}
376OBJS    += ${EH_OBJS_T}
377
378.for _src in ${LIB2ADDEHSTATIC}
379${_src:R:S/$/.o/}: ${_src} ${COMMONHDRS}
380	${CC_T} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
381${_src:R:S/$/.po/}: ${_src} ${COMMONHDRS}
382	${CC_P} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC}
383.endfor
384
385#-----------------------------------------------------------------------
386#
387# Generated headers
388#
389${COMMONHDRS}: ${.CURDIR}/../cc_tools/Makefile
390	${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET}
391
392CLEANFILES += ${COMMONHDRS}
393CLEANFILES += cs-*.h option*
394
395beforeinstall:
396	${INSTALL} -d -o ${BINOWN} -g ${BINGRP} -m ${DIRMODE} \
397		${DESTDIR}${LIBDIR}
398
399.include <bsd.lib.mk>
400
401
402.SUFFIXES: .vis .vo .asm
403
404.if ${TARGET_ARCH} == "alpha" || ${TARGET_ARCH} == "powerpc"
405.asm.o:
406	${CC_T} ${CFLAGS} -xassembler-with-cpp -o ${.TARGET} ${.IMPSRC}
407.endif
408