Makefile revision 284480
1# $FreeBSD: head/gnu/lib/libgcc/Makefile 284480 2015-06-16 23:36:20Z sjg $ 2 3GCCDIR= ${.CURDIR}/../../../contrib/gcc 4GCCLIB= ${.CURDIR}/../../../contrib/gcclibs 5 6SHLIB_NAME= libgcc_s.so.1 7SHLIBDIR?= /lib 8 9.include <src.opts.mk> 10# 11# libgcc is linked in last and thus cannot depend on ssp symbols coming 12# from earlier libraries. Disable stack protection for this library. 13# 14MK_SSP= no 15 16.include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt" 17 18.if ${TARGET_CPUARCH} == "arm" 19CFLAGS+= -DTARGET_ARM_EABI 20.endif 21 22.PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}/config ${GCCDIR} 23 24CFLAGS+= -DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \ 25 -DHAVE_GTHR_DEFAULT \ 26 -I${GCCLIB}/include \ 27 -I${GCCDIR}/config -I${GCCDIR} -I. \ 28 -I${.CURDIR}/../../usr.bin/cc/cc_tools 29 30LDFLAGS+= -nodefaultlibs 31LIBADD+= c 32 33OBJS= # added to below in various ways depending on TARGET_CPUARCH 34 35#--------------------------------------------------------------------------- 36# 37# Library members defined in libgcc2.c. 38# When upgrading GCC, obtain the following list from mklibgcc.in 39# 40LIB2FUNCS= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \ 41 _cmpdi2 _ucmpdi2 \ 42 _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \ 43 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \ 44 _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \ 45 _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 \ 46 _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 \ 47 _divxc3 _divtc3 _bswapsi2 _bswapdi2 48.if ${COMPILER_TYPE} != "clang" || ${TARGET_CPUARCH} != "arm" 49LIB2FUNCS+= _clear_cache 50.endif 51 52# The floating-point conversion routines that involve a single-word integer. 53.for mode in sf df xf 54LIB2FUNCS+= _fixuns${mode}si 55.endfor 56 57# Likewise double-word routines. 58.if ${TARGET_CPUARCH} != "aarch64" && ${TARGET_CPUARCH} != "arm" 59# These are implemented in an ARM specific file but will not be filtered out 60.for mode in sf df xf tf 61LIB2FUNCS+= _fix${mode}di _fixuns${mode}di 62LIB2FUNCS+= _floatdi${mode} _floatundi${mode} 63.endfor 64.endif 65 66LIB2ADD = $(LIB2FUNCS_EXTRA) 67LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA) 68 69# Additional sources to handle exceptions; overridden by targets as needed. 70LIB2ADDEH = unwind-dw2.c unwind-dw2-fde-glibc.c unwind-sjlj.c gthr-gnat.c \ 71 unwind-c.c 72LIB2ADDEHSTATIC = $(LIB2ADDEH) 73LIB2ADDEHSHARED = $(LIB2ADDEH) 74 75# List of extra C and assembler files to add to static and shared libgcc2. 76# Assembler files should have names ending in `.asm'. 77LIB2FUNCS_EXTRA = 78 79# List of extra C and assembler files to add to static libgcc2. 80# Assembler files should have names ending in `.asm'. 81LIB2FUNCS_STATIC_EXTRA = 82 83# Defined in libgcc2.c, included only in the static library. 84# KAN: Excluded _sf_to_tf and _df_to_tf as TPBIT_FUNCS are not 85# built on any of our platforms. 86LIB2FUNCS_ST = _eprintf __gcc_bcmp 87 88FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \ 89 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \ 90 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \ 91 _sf_to_df _thenan_sf _sf_to_usi _usi_to_sf 92 93DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \ 94 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \ 95 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \ 96 _df_to_sf _thenan_df _df_to_usi _usi_to_df 97 98TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \ 99 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \ 100 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \ 101 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf 102 103# These might cause a divide overflow trap and so are compiled with 104# unwinder info. 105LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4 106 107#----------------------------------------------------------------------- 108# 109# Platform specific bits. 110# When upgrading GCC, get the following definitions from config/<cpu>/t-* 111# 112.if ${TARGET_CPUARCH} == "arm" 113# from config/arm/t-strongarm-elf 114CFLAGS+= -Dinhibit_libc -fno-inline 115CFLAGS.clang+= -fheinous-gnu-extensions 116 117LIB1ASMSRC = lib1funcs.asm 118LIB1ASMFUNCS = _dvmd_tls _bb_init_func 119LIB2ADDEH = unwind-arm.c libunwind.S pr-support.c unwind-c.c 120# Some compilers generate __aeabi_ functions libgcc_s is missing 121LIBADD+= compiler_rt 122.endif 123 124.if ${TARGET_CPUARCH} == mips 125LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c 126# ABIs other than o32 need this 127.if ${TARGET_ARCH} != "mips" && ${TARGET_ARCH} != "mipsel" 128LIB2FUNCS_EXTRA+= floatdidf.c fixunsdfsi.c 129LIB2FUNCS_EXTRA+= floatdisf.c floatundidf.c 130LIB2FUNCS_EXTRA+= fixsfdi.c floatundisf.c 131LIB2FUNCS_EXTRA+= fixdfdi.c fixunssfsi.c 132.endif 133.endif 134 135.if ${TARGET_ARCH} == "powerpc" 136# from config/rs6000/t-ppccomm 137LIB2FUNCS_EXTRA = tramp.asm 138LIB2FUNCS_STATIC_EXTRA = eabi.asm 139.endif 140 141.if ${TARGET_ARCH} == "powerpc64" 142# from config/rs6000/t-ppccomm 143LIB2FUNCS_EXTRA = tramp.asm 144.endif 145 146.if ${TARGET_CPUARCH} == "sparc64" 147# from config/sparc/t-elf 148LIB1ASMSRC = lb1spc.asm 149LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3 150.endif 151 152#----------------------------------------------------------------------- 153 154# Remove any objects from LIB2FUNCS and LIB2_DIVMOD_FUNCS that are 155# defined as optimized assembly code in LIB1ASMFUNCS. 156.if defined(LIB1ASMFUNCS) 157.for sym in ${LIB1ASMFUNCS} 158LIB2FUNCS:= ${LIB2FUNCS:S/${sym}//g} 159LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:S/${sym}//g} 160.endfor 161.endif 162 163COMMONHDRS= tm.h tconfig.h options.h unwind.h gthr-default.h 164 165#----------------------------------------------------------------------- 166# 167# Helpful shortcuts for compiler invocations. 168# 169HIDE = -fvisibility=hidden -DHIDE_EXPORTS 170CC_T = ${CC} -c ${CFLAGS} ${HIDE} -fPIC 171CC_P = ${CC} -c ${CFLAGS} ${HIDE} -p -fPIC 172CC_S = ${CC} -c ${CFLAGS} ${PICFLAG} -DSHARED 173 174#----------------------------------------------------------------------- 175# 176# Functions from libgcc2.c 177# 178STD_CFLAGS = 179DIV_CFLAGS = -fexceptions -fnon-call-exceptions 180 181STD_FUNCS = ${LIB2FUNCS} 182DIV_FUNCS = ${LIB2_DIVMOD_FUNCS} 183 184STD_CFILE = libgcc2.c 185DIV_CFILE = libgcc2.c 186 187OBJ_GRPS = STD DIV 188 189#----------------------------------------------------------------------- 190# 191# Floating point emulation functions 192# 193.if ${TARGET_CPUARCH} == "armNOT_YET" || \ 194 ${TARGET_CPUARCH} == "powerpc" || ${TARGET_CPUARCH} == "sparc64" 195 196FPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES -DFLOAT 197DPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES 198 199FPBIT_CFILE = config/fp-bit.c 200DPBIT_CFILE = config/fp-bit.c 201 202OBJ_GRPS += FPBIT DPBIT 203.endif 204 205#----------------------------------------------------------------------- 206# 207# Generic build rules for object groups defined above 208# 209.for T in ${OBJ_GRPS} 210${T}_OBJS_T = ${${T}_FUNCS:S/$/.o/} 211${T}_OBJS_P = ${${T}_FUNCS:S/$/.po/} 212${T}_OBJS_S = ${${T}_FUNCS:S/$/.So/} 213OBJS += ${${T}_FUNCS:S/$/.o/} 214 215${${T}_OBJS_T}: ${${T}_CFILE} ${COMMONHDRS} 216 ${CC_T} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 217${${T}_OBJS_P}: ${${T}_CFILE} ${COMMONHDRS} 218 ${CC_P} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 219${${T}_OBJS_S}: ${${T}_CFILE} ${COMMONHDRS} 220 ${CC_S} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 221.endfor 222 223#----------------------------------------------------------------------- 224# 225# Extra objects coming from separate files 226# 227.if !empty(LIB2ADD) 228OBJS += ${LIB2ADD:R:S/$/.o/} 229SOBJS += ${LIB2ADD:R:S/$/.So/} 230POBJS += ${LIB2ADD:R:S/$/.po/} 231.endif 232 233#----------------------------------------------------------------------- 234# 235# Objects that should be in static library only. 236# 237SYMS_ST = ${LIB2FUNCS_ST} ${LIB2ADD_ST} 238STAT_OBJS_T = ${SYMS_ST:S/$/.o/} 239STAT_OBJS_P = ${SYMS_ST:S/$/.po/} 240STATICOBJS = ${SYMS_ST:S/$/.o/} 241 242${STAT_OBJS_T}: ${STD_CFILE} ${COMMONHDRS} 243 ${CC_T} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 244${STAT_OBJS_P}: ${STD_CFILE} ${COMMONHDRS} 245 ${CC_P} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 246 247#----------------------------------------------------------------------- 248# 249# Assembler files. 250# 251.if defined(LIB1ASMSRC) 252ASM_T = ${LIB1ASMFUNCS:S/$/.o/} 253ASM_P = ${LIB1ASMFUNCS:S/$/.po/} 254ASM_S = ${LIB1ASMFUNCS:S/$/.So/} 255ASM_V = ${LIB1ASMFUNCS:S/$/.vis/} 256OBJS += ${LIB1ASMFUNCS:S/$/.o/} 257 258${ASM_T}: ${LIB1ASMSRC} ${.PREFIX}.vis 259 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \ 260 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis} 261${ASM_P}: ${LIB1ASMSRC} ${.PREFIX}.vis 262 ${CC} -x assembler-with-cpp -p -c ${CFLAGS} -DL${.PREFIX} \ 263 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis} 264${ASM_S}: ${LIB1ASMSRC} 265 ${CC} -x assembler-with-cpp -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} \ 266 -o ${.TARGET} ${.ALLSRC:N*.h} 267${ASM_V}: ${LIB1ASMSRC} 268 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \ 269 -o ${.PREFIX}.vo ${.ALLSRC:N*.h} 270 ( ${NM} -pg ${.PREFIX}.vo | \ 271 awk 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t.hidden ", $$3 }'\ 272 ) > ${.TARGET} 273 274CLEANFILES += ${ASM_V} ${ASM_V:R:S/$/.vo/} 275.endif 276 277#----------------------------------------------------------------------- 278# 279# Exception handling / unwinding support. 280# 281EH_OBJS_T = ${LIB2ADDEHSTATIC:R:S/$/.o/} 282EH_OBJS_P = ${LIB2ADDEHSTATIC:R:S/$/.po/} 283EH_OBJS_S = ${LIB2ADDEHSHARED:R:S/$/.So/} 284EH_CFLAGS = -fexceptions -D__GLIBC__=3 -DElfW=__ElfN 285SOBJS += ${EH_OBJS_S} 286 287.for _src in ${LIB2ADDEHSTATIC} 288${_src:R:S/$/.o/}: ${_src} ${COMMONHDRS} 289 ${CC_T} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC} 290${_src:R:S/$/.po/}: ${_src} ${COMMONHDRS} 291 ${CC_P} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC} 292.endfor 293.for _src in ${LIB2ADDEHSHARED} 294${_src:R:S/$/.So/}: ${_src} ${COMMONHDRS} 295 ${CC_S} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC} 296.endfor 297 298 299#----------------------------------------------------------------------- 300# 301# Generated headers 302# 303${COMMONHDRS}: ${.CURDIR}/../../usr.bin/cc/cc_tools/Makefile 304 (cd ${.CURDIR}; ${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET}) 305 306CLEANFILES += ${COMMONHDRS} 307CLEANFILES += cs-*.h option* 308 309#----------------------------------------------------------------------- 310# 311# Build symbol version map 312# 313SHLIB_MKMAP = ${GCCDIR}/mkmap-symver.awk 314SHLIB_MKMAP_OPTS = 315SHLIB_MAPFILES = ${GCCDIR}/libgcc-std.ver 316.if ${TARGET_CPUARCH} == "arm" 317SHLIB_MAPFILES += ${GCCDIR}/config/arm/libgcc-bpabi.ver 318.endif 319VERSION_MAP = libgcc.map 320 321libgcc.map: ${SHLIB_MKMAP} ${SHLIB_MAPFILES} ${SOBJS} ${OBJS:R:S/$/.So/} 322 ( ${NM} -pg ${SOBJS};echo %% ; \ 323 cat ${SHLIB_MAPFILES} \ 324 | sed -e '/^[ ]*#/d' \ 325 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \ 326 | ${CC} ${CFLAGS} -E -xassembler-with-cpp -; \ 327 ) | awk -f ${SHLIB_MKMAP} ${SHLIB_MKMAP_OPTS} > ${.TARGET} 328 329CLEANFILES += libgcc.map 330 331#----------------------------------------------------------------------- 332# 333# Build additional static libgcc_eh[_p].a libraries. 334# 335libgcc_eh.a: ${EH_OBJS_T} 336 @${ECHO} building static gcc_eh library 337 @rm -f ${.TARGET} 338 @${AR} ${ARFLAGS} ${.TARGET} `lorder ${EH_OBJS_T} | tsort -q` 339 ${RANLIB} ${RANLIBFLAGS} ${.TARGET} 340 341_LIBS+= libgcc_eh.a 342 343.if ${MK_PROFILE} != "no" 344libgcc_eh_p.a: ${EH_OBJS_P} 345 @${ECHO} building profiled gcc_eh library 346 @rm -f ${.TARGET} 347 @${AR} ${ARFLAGS} ${.TARGET} `lorder ${EH_OBJS_P} | tsort -q` 348 ${RANLIB} ${RANLIBFLAGS} ${.TARGET} 349 350_LIBS+= libgcc_eh_p.a 351.endif 352 353_libinstall: _lib-eh-install 354 355_lib-eh-install: 356.if ${MK_INSTALLLIB} != "no" 357 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ 358 ${_INSTALLFLAGS} libgcc_eh.a ${DESTDIR}${LIBDIR} 359.endif 360.if ${MK_PROFILE} != "no" 361 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ 362 ${_INSTALLFLAGS} libgcc_eh_p.a ${DESTDIR}${LIBDIR} 363.endif 364 365CLEANFILES+= libgcc_eh.a libgcc_eh_p.a ${EH_OBJS_T} ${EH_OBJS_P} 366 367.include <bsd.lib.mk> 368 369.SUFFIXES: .vis .vo 370