216 lines
6.6 KiB
Makefile
216 lines
6.6 KiB
Makefile
# $FreeBSD$
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TARGET_ARCH?= ${MACHINE_ARCH}
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GCCDIR= ${.CURDIR}/../../../contrib/gcc
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.PATH: ${GCCDIR}/config/${TARGET_ARCH} ${GCCDIR}
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# allow to be overridden for the a.out case
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.if !defined(LIB) || ${LIB} != "gcc_r"
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LIB= gcc
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.endif
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SHLIB_MAJOR= 3.1
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SHLIB_MINOR= 0
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.if ${OBJFORMAT} == aout
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# Install libgcc_pic.a, since ld.so uses it.
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INSTALL_PIC_ARCHIVE= yes
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.endif
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#
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# XXX This is a hack, but it seems to work.
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# libgcc2.a is meant to be compiled by *this* version of gcc.
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#
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# Normally, this does not make any difference, since we only have gcc, but
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# when bootstrapping from gcc-2.6.3, we have to use the freshly built 2.7.2
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# compiler for some of the libgcc2.c __attribute__ stuff.
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#
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# We now depend on a bootstrap pass (normally in `make world') to build
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# and install the new version of gcc before we get here. This makes
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# finding the new version (XCC) easy but may break finding the old version
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# (CC).
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#
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XCC= ${CC}
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XCXX= ${CXX}
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CFLAGS+= -nostdlib -fexceptions
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CFLAGS+= -DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
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-DFINE_GRAINED_LIBRARIES
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.if ${OBJFORMAT} != aout
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CFLAGS+= -D_PTHREADS -DGTHREAD_USE_WEAK
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.endif
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CFLAGS+= -I${.CURDIR}/../../usr.bin/cc/cc_tools \
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-I${GCCDIR}/config -I${GCCDIR} -I.
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# Remove any objects from LIB2FUNCS and LIB2_DIVMOD_FUNCS that are
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# defined as optimized assembly code in LIB1ASMFUNCS.
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.if defined(LIB1ASMFUNCS)
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.for sym in ${LIB1ASMFUNCS}
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LIB2FUNCS_1= ${LIB2FUNCS_1:S/${sym}//g}
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LIB2FUNCS_2= ${LIB2FUNCS_2:S/${sym}//g}
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LIB2_DIVMOD_FUNCS= ${LIB2_DIVMOD_FUNCS:S/${sym}//g}
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.endfor
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.endif
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SYMS= ${LIB1ASMFUNCS} \
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${LIB2FUNCS_1} \
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${LIB2FUNCS_2} \
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${LIB2_DIVMOD_FUNCS}
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.if ${TARGET_ARCH} == "arm" || ${TARGET_ARCH} == "powerpc" || ${TARGET_ARCH} == "sparc64"
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SYMS+= ${FPBIT_FUNCS} ${DPBIT_FUNCS}
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.endif
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SYMS_ST= ${LIB2FUNCS_ST} \
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${LIB2ADD_ST}
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OBJS_T= ${SYMS:S/$/.o/} ${SYMS_ST:S/$/.o/}
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OBJS_P= ${SYMS:S/$/.po/} ${SYMS_ST:S/$/.po/}
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OBJS_S= ${SYMS:S/$/.So/}
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OBJS= ${SYMS:S/$/.o/}
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STATICOBJS= ${SYMS_ST:S/$/.o/}
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SRCS= ${LIB2ADD} ${LIB2ADDEH}
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#---------------------------------------------------------------------------
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#
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# When upgrading GCC, get the following defintions straight from Makefile.in
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#
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# Library members defined in libgcc2.c.
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# Variable length limited to 255 charactes when passed to a shell script.
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LIB2FUNCS_1 = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _ffsdi2 _clz \
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_cmpdi2 _ucmpdi2 _floatdidf _floatdisf _fixunsdfsi _fixunssfsi \
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_fixunsdfdi _fixdfdi _fixunssfdi _fixsfdi _fixxfdi _fixunsxfdi
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LIB2FUNCS_2 = _floatdixf _fixunsxfsi _fixtfdi _fixunstfdi _floatditf \
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_clear_cache _trampoline __main _exit _absvsi2 _absvdi2 _addvsi3 \
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_addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors
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# Defined in libgcc2.c, included only in the static library.
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LIB2FUNCS_ST = _eprintf _bb __gcc_bcmp
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FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
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_fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
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_lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
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_sf_to_df _thenan_sf _sf_to_usi _usi_to_sf
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DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
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_fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
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_lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
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_df_to_sf _thenan_df _df_to_usi _usi_to_df
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# These might cause a divide overflow trap and so are compiled with
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# unwinder info.
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LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
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MACHMODE_H = machmode.h machmode.def
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LIB2ADD = $(LIB2FUNCS_EXTRA)
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LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA)
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# Additional sources to handle exceptions; overridden on ia64.
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LIB2ADDEH = unwind-dw2.c unwind-dw2-fde.c unwind-sjlj.c
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#-----------------------------------------------------------------------
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#
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# Platform specific bits.
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# When upgrading GCC, get the following defintions from config/<cpu>/t-*
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#
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.if ${TARGET_ARCH} == "alpha"
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# from config/alpha/t-alpha
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LIB2FUNCS_EXTRA = qrnnd.asm
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.endif
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.if ${TARGET_ARCH} == "arm"
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# from config/arm/t-strongarm-elf
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LIB1ASMSRC = arm/lib1funcs.asm
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LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func
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# We want fine grained libraries, so use the new code to build the
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# floating point emulation libraries.
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XXX fix this
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NEED_FP_EMULATION set to "yes" with different rules per platform
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.endif
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.if ${TARGET_ARCH} == "ia64"
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# from config/ia64/t-ia64
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LIB1ASMSRC = ia64/lib1funcs.asm
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LIB1ASMFUNCS = __divtf3 __divdf3 __divsf3 \
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__divdi3 __moddi3 __udivdi3 __umoddi3 \
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__divsi3 __modsi3 __udivsi3 __umodsi3 __save_stack_nonlocal \
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__nonlocal_goto __restore_stack_nonlocal __trampoline
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LIB2ADDEH = unwind-ia64.c unwind-sjlj.c
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.endif
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.if ${TARGET_ARCH} == "powerpc"
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# from config/rs6000/t-ppccomm
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LIB2FUNCS_EXTRA = tramp.S
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# This one can't end up in shared libgcc
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LIB2FUNCS_STATIC_EXTRA = eabi.S
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# We want fine grained libraries, so use the new code to build the
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# floating point emulation libraries.
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XXX fix this
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NEED_FP_EMULATION set to "yes" with different rules per platform
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OBJS+= dp-bit.o fp-bit.o
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.endif
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.if ${TARGET_ARCH} == "sparc64"
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# from config/sparc/t-elf
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# We want fine grained libraries, so use the new code to build the
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# floating point emulation libraries.
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LIB1ASMSRC = sparc/lb1spc.asm
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LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3
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OBJS+= dp-bit.o fp-bit.o
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.endif
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dp-bit.o: config/fp-bit.c
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${XCC} -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
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dp-bit.So: config/fp-bit.c
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${XCC} ${PICFLAG} -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
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dp-bit.po: config/fp-bit.c
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${XCC} -p -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
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fp-bit.o: config/fp-bit.c
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${XCC} -DFLOAT=1 -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
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fp-bit.So: config/fp-bit.c
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${XCC} ${PICFLAG} -DFLOAT=1 -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
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fp-bit.po: config/fp-bit.c
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${XCC} -p -DFLOAT=1 -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
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#-----------------------------------------------------------------------
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COMMONHDRS= tconfig.h
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SRCS+= ${COMMONHDRS}
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CLEANFILES+= ${COMMONHDRS}
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tconfig.h: ${.CURDIR}/../../usr.bin/cc/cc_tools/Makefile
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${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET}
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${OBJS} beforedepend: ${COMMONHDRS}
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${OBJS_T}: libgcc2.c
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${XCC} -c ${CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
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@${LD} -o ${.TARGET}.tmp -x -r ${.TARGET}
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@mv ${.TARGET}.tmp ${.TARGET}
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.if !defined(NOPIC)
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${OBJS_S}: libgcc2.c
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${XCC} -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
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@${LD} -o ${.TARGET}.tmp -x -r ${.TARGET}
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@mv ${.TARGET}.tmp ${.TARGET}
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.endif
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.if !defined(NOPROFILE)
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${OBJS_P}: libgcc2.c
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${XCC} -c -p ${CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
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@${LD} -o ${.TARGET}.tmp -X -r ${.TARGET}
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@mv ${.TARGET}.tmp ${.TARGET}
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.endif
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.include <bsd.lib.mk>
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