Makefile revision 235487
1# $FreeBSD: head/gnu/lib/libgcc/Makefile 235487 2012-05-15 22:47:34Z marius $ 2 3GCCDIR= ${.CURDIR}/../../../contrib/gcc 4GCCLIB= ${.CURDIR}/../../../contrib/gcclibs 5 6SHLIB_NAME= libgcc_s.so.1 7SHLIBDIR?= /lib 8 9.include <bsd.own.mk> 10# 11# libgcc is linked in last and thus cannot depend on ssp symbols coming 12# from earlier libraries. Disable stack protection for this library. 13# 14MK_SSP= no 15 16.include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt" 17 18.if ${TARGET_CPUARCH} == "mips" 19LIB= gcc 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${.CURDIR}/../../usr.bin/cc/cc_tools 29 30LDFLAGS+= -nodefaultlibs 31LDADD+= -lc 32 33OBJS= # added to below in various ways depending on TARGET_CPUARCH 34 35#--------------------------------------------------------------------------- 36# 37# When upgrading GCC, get the following defintions straight from Makefile.in 38# 39# Library members defined in libgcc2.c. 40LIB2FUNCS= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \ 41 _cmpdi2 _ucmpdi2 _clear_cache \ 42 _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \ 43 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \ 44 _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \ 45 _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 \ 46 _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 \ 47 _divxc3 _divtc3 48 49# The floating-point conversion routines that involve a single-word integer. 50.for mode in sf df xf 51LIB2FUNCS+= _fixuns${mode}si 52.endfor 53 54# Likewise double-word routines. 55.for mode in sf df xf tf 56LIB2FUNCS+= _fix${mode}di _fixuns${mode}di 57LIB2FUNCS+= _floatdi${mode} _floatundi${mode} 58.endfor 59 60LIB2ADD = $(LIB2FUNCS_EXTRA) 61LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA) 62 63# Additional sources to handle exceptions; overridden by targets as needed. 64LIB2ADDEH = unwind-dw2.c unwind-dw2-fde-glibc.c unwind-sjlj.c gthr-gnat.c \ 65 unwind-c.c 66LIB2ADDEHSTATIC = $(LIB2ADDEH) 67LIB2ADDEHSHARED = $(LIB2ADDEH) 68 69# List of extra C and assembler files to add to static and shared libgcc2. 70# Assembler files should have names ending in `.asm'. 71LIB2FUNCS_EXTRA = 72 73# List of extra C and assembler files to add to static libgcc2. 74# Assembler files should have names ending in `.asm'. 75LIB2FUNCS_STATIC_EXTRA = 76 77# Defined in libgcc2.c, included only in the static library. 78# KAN: Excluded _sf_to_tf and _df_to_tf as TPBIT_FUNCS are not 79# built on any of our platforms. 80LIB2FUNCS_ST = _eprintf __gcc_bcmp 81 82FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \ 83 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \ 84 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \ 85 _sf_to_df _thenan_sf _sf_to_usi _usi_to_sf 86 87DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \ 88 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \ 89 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \ 90 _df_to_sf _thenan_df _df_to_usi _usi_to_df 91 92TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \ 93 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \ 94 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \ 95 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf 96 97# These might cause a divide overflow trap and so are compiled with 98# unwinder info. 99LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4 100 101#----------------------------------------------------------------------- 102# 103# Platform specific bits. 104# When upgrading GCC, get the following definitions from config/<cpu>/t-* 105# 106.if ${TARGET_CPUARCH} == "arm" 107# from config/arm/t-strongarm-elf 108CFLAGS+= -Dinhibit_libc -fno-inline 109LIB1ASMSRC = lib1funcs.asm 110LIB1ASMFUNCS = _dvmd_tls _bb_init_func 111LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c 112 113# Not now 114#LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func 115#LIB1ASMFUNCS+= _call_via_rX _interwork_call_via_rX \ 116# _lshrdi3 _ashrdi3 _ashldi3 \ 117# _negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \ 118# _truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \ 119# _fixsfsi _fixunssfsi _floatdidf _floatdisf 120.endif 121 122.if ${TARGET_CPUARCH} == mips 123LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c 124# ABIs other than o32 need this 125.if ${TARGET_ARCH} != "mips" && ${TARGET_ARCH} != "mipsel" 126LIB2FUNCS_EXTRA+= floatdidf.c fixunsdfsi.c 127LIB2FUNCS_EXTRA+= floatdisf.c floatundidf.c 128LIB2FUNCS_EXTRA+= fixsfdi.c floatundisf.c 129LIB2FUNCS_EXTRA+= fixdfdi.c fixunssfsi.c 130.endif 131.endif 132 133.if ${TARGET_CPUARCH} == "ia64" 134# from config/ia64/t-ia64 135LIB1ASMSRC = lib1funcs.asm 136LIB1ASMFUNCS = __divxf3 __divdf3 __divsf3 \ 137 __divdi3 __moddi3 __udivdi3 __umoddi3 \ 138 __divsi3 __modsi3 __udivsi3 __umodsi3 __save_stack_nonlocal \ 139 __nonlocal_goto __restore_stack_nonlocal __trampoline \ 140 _fixtfdi _fixunstfdi _floatditf 141LIB2ADDEH = unwind-ia64.c unwind-sjlj.c unwind-c.c 142.endif 143 144.if ${TARGET_ARCH} == "powerpc" 145# from config/rs6000/t-ppccomm 146LIB2FUNCS_EXTRA = tramp.asm 147LIB2FUNCS_STATIC_EXTRA = eabi.asm 148.endif 149 150.if ${TARGET_ARCH} == "powerpc64" 151# from config/rs6000/t-ppccomm 152LIB2FUNCS_EXTRA = tramp.asm 153.endif 154 155.if ${TARGET_CPUARCH} == "sparc64" 156# from config/sparc/t-elf 157LIB1ASMSRC = lb1spc.asm 158LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3 159.endif 160 161#----------------------------------------------------------------------- 162 163# Remove any objects from LIB2FUNCS and LIB2_DIVMOD_FUNCS that are 164# defined as optimized assembly code in LIB1ASMFUNCS. 165.if defined(LIB1ASMFUNCS) 166.for sym in ${LIB1ASMFUNCS} 167LIB2FUNCS:= ${LIB2FUNCS:S/${sym}//g} 168LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:S/${sym}//g} 169.endfor 170.endif 171 172COMMONHDRS= tm.h tconfig.h options.h unwind.h gthr-default.h 173 174#----------------------------------------------------------------------- 175# 176# Helpful shortcuts for compiler invocations. 177# 178HIDE = -fvisibility=hidden -DHIDE_EXPORTS 179CC_T = ${CC} -c ${CFLAGS} ${HIDE} -fPIC 180CC_P = ${CC} -c ${CFLAGS} ${HIDE} -p -fPIC 181CC_S = ${CC} -c ${CFLAGS} ${PICFLAG} -DSHARED 182 183#----------------------------------------------------------------------- 184# 185# Functions from libgcc2.c 186# 187STD_CFLAGS = 188DIV_CFLAGS = -fexceptions -fnon-call-exceptions 189 190STD_FUNCS = ${LIB2FUNCS} 191DIV_FUNCS = ${LIB2_DIVMOD_FUNCS} 192 193STD_CFILE = libgcc2.c 194DIV_CFILE = libgcc2.c 195 196OBJ_GRPS = STD DIV 197 198#----------------------------------------------------------------------- 199# 200# Floating point emulation functions 201# 202.if ${TARGET_CPUARCH} == "armNOT_YET" || \ 203 ${TARGET_CPUARCH} == "powerpc" || ${TARGET_CPUARCH} == "sparc64" 204 205FPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES -DFLOAT 206DPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES 207 208FPBIT_CFILE = config/fp-bit.c 209DPBIT_CFILE = config/fp-bit.c 210 211OBJ_GRPS += FPBIT DPBIT 212.endif 213 214#----------------------------------------------------------------------- 215# 216# Generic build rules for object groups defined above 217# 218.for T in ${OBJ_GRPS} 219${T}_OBJS_T = ${${T}_FUNCS:S/$/.o/} 220${T}_OBJS_P = ${${T}_FUNCS:S/$/.po/} 221${T}_OBJS_S = ${${T}_FUNCS:S/$/.So/} 222OBJS += ${${T}_FUNCS:S/$/.o/} 223 224${${T}_OBJS_T}: ${${T}_CFILE} ${COMMONHDRS} 225 ${CC_T} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 226${${T}_OBJS_P}: ${${T}_CFILE} ${COMMONHDRS} 227 ${CC_P} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 228${${T}_OBJS_S}: ${${T}_CFILE} ${COMMONHDRS} 229 ${CC_S} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 230.endfor 231 232#----------------------------------------------------------------------- 233# 234# Extra objects coming from separate files 235# 236.if !empty(LIB2ADD) 237OBJS += ${LIB2ADD:R:S/$/.o/} 238SOBJS += ${LIB2ADD:R:S/$/.So/} 239POBJS += ${LIB2ADD:R:S/$/.po/} 240.endif 241 242#----------------------------------------------------------------------- 243# 244# Objects that should be in static library only. 245# 246SYMS_ST = ${LIB2FUNCS_ST} ${LIB2ADD_ST} 247STAT_OBJS_T = ${SYMS_ST:S/$/.o/} 248STAT_OBJS_P = ${SYMS_ST:S/$/.po/} 249STATICOBJS = ${SYMS_ST:S/$/.o/} 250 251${STAT_OBJS_T}: ${STD_CFILE} ${COMMONHDRS} 252 ${CC_T} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 253${STAT_OBJS_P}: ${STD_CFILE} ${COMMONHDRS} 254 ${CC_P} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 255 256#----------------------------------------------------------------------- 257# 258# Assembler files. 259# 260.if defined(LIB1ASMSRC) 261ASM_T = ${LIB1ASMFUNCS:S/$/.o/} 262ASM_P = ${LIB1ASMFUNCS:S/$/.po/} 263ASM_S = ${LIB1ASMFUNCS:S/$/.So/} 264ASM_V = ${LIB1ASMFUNCS:S/$/.vis/} 265OBJS += ${LIB1ASMFUNCS:S/$/.o/} 266 267${ASM_T}: ${LIB1ASMSRC} ${.PREFIX}.vis 268 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \ 269 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis} 270${ASM_P}: ${LIB1ASMSRC} ${.PREFIX}.vis 271 ${CC} -x assembler-with-cpp -p -c ${CFLAGS} -DL${.PREFIX} \ 272 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis} 273${ASM_S}: ${LIB1ASMSRC} 274 ${CC} -x assembler-with-cpp -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} \ 275 -o ${.TARGET} ${.ALLSRC:N*.h} 276${ASM_V}: ${LIB1ASMSRC} 277 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \ 278 -o ${.PREFIX}.vo ${.ALLSRC:N*.h} 279 ( ${NM} -pg ${.PREFIX}.vo | \ 280 awk 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t.hidden ", $$3 }'\ 281 ) > ${.TARGET} 282 283CLEANFILES += ${ASM_V} ${ASM_V:R:S/$/.vo/} 284.endif 285 286#----------------------------------------------------------------------- 287# 288# Exception handling / unwinding support. 289# 290EH_OBJS_T = ${LIB2ADDEHSTATIC:R:S/$/.o/} 291EH_OBJS_P = ${LIB2ADDEHSTATIC:R:S/$/.po/} 292EH_OBJS_S = ${LIB2ADDEHSHARED:R:S/$/.So/} 293EH_CFLAGS = -fexceptions -D__GLIBC__=3 -DElfW=__ElfN 294SOBJS += ${EH_OBJS_S} 295 296.for _src in ${LIB2ADDEHSTATIC} 297${_src:R:S/$/.o/}: ${_src} ${COMMONHDRS} 298 ${CC_T} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC} 299${_src:R:S/$/.po/}: ${_src} ${COMMONHDRS} 300 ${CC_P} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC} 301.endfor 302.for _src in ${LIB2ADDEHSHARED} 303${_src:R:S/$/.So/}: ${_src} ${COMMONHDRS} 304 ${CC_S} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC} 305.endfor 306 307 308#----------------------------------------------------------------------- 309# 310# Generated headers 311# 312${COMMONHDRS}: ${.CURDIR}/../../usr.bin/cc/cc_tools/Makefile 313 ${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET} 314 315CLEANFILES += ${COMMONHDRS} 316CLEANFILES += cs-*.h option* 317 318#----------------------------------------------------------------------- 319# 320# Build symbol version map 321# 322SHLIB_MKMAP = ${GCCDIR}/mkmap-symver.awk 323SHLIB_MKMAP_OPTS = 324SHLIB_MAPFILES = ${GCCDIR}/libgcc-std.ver 325VERSION_MAP = libgcc.map 326 327libgcc.map: ${SHLIB_MKMAP} ${SHLIB_MAPFILES} ${SOBJS} ${OBJS:R:S/$/.So/} 328 ( ${NM} -pg ${SOBJS};echo %% ; \ 329 cat ${SHLIB_MAPFILES} \ 330 | sed -e '/^[ ]*#/d' \ 331 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \ 332 | ${CC} ${CFLAGS} -E -xassembler-with-cpp -; \ 333 ) | awk -f ${SHLIB_MKMAP} ${SHLIB_MKMAP_OPTS} > ${.TARGET} 334 335CLEANFILES += libgcc.map 336 337#----------------------------------------------------------------------- 338# 339# Build additional static libgcc_eh[_p].a libraries. 340# 341libgcc_eh.a: ${EH_OBJS_T} 342 @${ECHO} building static gcc_eh library 343 @rm -f ${.TARGET} 344 @${AR} cq ${.TARGET} `lorder ${EH_OBJS_T} | tsort -q` 345 ${RANLIB} ${.TARGET} 346 347all: libgcc_eh.a 348 349.if ${MK_PROFILE} != "no" 350libgcc_eh_p.a: ${EH_OBJS_P} 351 @${ECHO} building profiled gcc_eh library 352 @rm -f ${.TARGET} 353 @${AR} cq ${.TARGET} `lorder ${EH_OBJS_P} | tsort -q` 354 ${RANLIB} ${.TARGET} 355all: libgcc_eh_p.a 356.endif 357 358_libinstall: _lib-eh-install 359 360_lib-eh-install: 361.if ${MK_INSTALLLIB} != "no" 362 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ 363 ${_INSTALLFLAGS} libgcc_eh.a ${DESTDIR}${LIBDIR} 364.endif 365.if ${MK_PROFILE} != "no" 366 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ 367 ${_INSTALLFLAGS} libgcc_eh_p.a ${DESTDIR}${LIBDIR} 368.endif 369 370CLEANFILES+= libgcc_eh.a libgcc_eh_p.a ${EH_OBJS_T} ${EH_OBJS_P} 371 372.include <bsd.lib.mk> 373 374.SUFFIXES: .vis .vo 375