Makefile revision 294331
1# $FreeBSD: head/gnu/lib/libgcc/Makefile 294331 2016-01-19 17:40:29Z emaste $ 2 3GCCDIR= ${.CURDIR}/../../../contrib/gcc 4GCCLIB= ${.CURDIR}/../../../contrib/gcclibs 5COMPILERRTDIR= ${.CURDIR}/../../../contrib/compiler-rt 6UNWINDINCDIR= ${.CURDIR}/../../../contrib/llvm/projects/libunwind/include 7UNWINDSRCDIR= ${.CURDIR}/../../../contrib/llvm/projects/libunwind/src 8 9SHLIB_NAME= libgcc_s.so.1 10SHLIBDIR?= /lib 11 12.include <src.opts.mk> 13# 14# libgcc is linked in last and thus cannot depend on ssp symbols coming 15# from earlier libraries. Disable stack protection for this library. 16# 17MK_SSP= no 18 19.include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt" 20 21.if ${TARGET_CPUARCH} == "arm" 22CFLAGS+= -DTARGET_ARM_EABI 23.endif 24 25.PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}/config ${GCCDIR} 26 27CFLAGS+= -DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \ 28 -DHAVE_GTHR_DEFAULT \ 29 -I${GCCLIB}/include \ 30 -I${GCCDIR}/config -I${GCCDIR} -I. \ 31 -I${.CURDIR}/../../usr.bin/cc/cc_tools 32 33LDFLAGS+= -nodefaultlibs 34LIBADD+= c 35 36OBJS= # added to below in various ways depending on TARGET_CPUARCH 37 38#--------------------------------------------------------------------------- 39# 40# Library members defined in libgcc2.c. 41# When upgrading GCC, obtain the following list from mklibgcc.in 42# 43LIB2FUNCS= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \ 44 _cmpdi2 _ucmpdi2 \ 45 _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \ 46 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \ 47 _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \ 48 _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 \ 49 _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 \ 50 _divxc3 _divtc3 _bswapsi2 _bswapdi2 51.if ${COMPILER_TYPE} != "clang" || ${TARGET_CPUARCH} != "arm" 52LIB2FUNCS+= _clear_cache 53.endif 54 55# The floating-point conversion routines that involve a single-word integer. 56.for mode in sf df xf 57LIB2FUNCS+= _fixuns${mode}si 58.endfor 59 60# Likewise double-word routines. 61.if ${TARGET_CPUARCH} != "aarch64" && ${TARGET_CPUARCH} != "arm" 62# These are implemented in an ARM specific file but will not be filtered out 63.for mode in sf df xf tf 64LIB2FUNCS+= _fix${mode}di _fixuns${mode}di 65LIB2FUNCS+= _floatdi${mode} _floatundi${mode} 66.endfor 67.endif 68 69LIB2ADD = $(LIB2FUNCS_EXTRA) 70LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA) 71 72# Additional sources to handle exceptions; overridden by targets as needed. 73.if ${MK_LLVM_LIBUNWIND} != "no" 74 75.PATH: ${COMPILERRTDIR}/lib/builtins 76.PATH: ${UNWINDSRCDIR} 77LIB2ADDEH = gcc_personality_v0.c \ 78 int_util.c \ 79 Unwind-EHABI.cpp \ 80 Unwind-sjlj.c \ 81 UnwindLevel1-gcc-ext.c \ 82 UnwindLevel1.c \ 83 UnwindRegistersRestore.S \ 84 UnwindRegistersSave.S \ 85 libunwind.cpp 86 87CFLAGS+= -I${UNWINDINCDIR} -I${.CURDIR} 88.if empty(CXXFLAGS:M-std=*) 89CXXFLAGS+= -std=c++11 90.endif 91CXXFLAGS+= -fno-rtti 92STATIC_CXXFLAGS+= -fvisibility=hidden -fPIC 93 94.else # MK_LLVM_LIBUNWIND 95 96.if ${TARGET_CPUARCH} == "arm" 97LIB2ADDEH = unwind-arm.c libunwind.S pr-support.c unwind-c.c 98.else 99LIB2ADDEH = unwind-dw2.c unwind-dw2-fde-glibc.c unwind-sjlj.c gthr-gnat.c \ 100 unwind-c.c 101.endif 102 103.endif # MK_LLVM_LIBUNWIND 104 105LIB2ADDEHSTATIC = $(LIB2ADDEH) 106LIB2ADDEHSHARED = $(LIB2ADDEH) 107 108# List of extra C and assembler files to add to static and shared libgcc2. 109# Assembler files should have names ending in `.asm'. 110LIB2FUNCS_EXTRA = 111 112# List of extra C and assembler files to add to static libgcc2. 113# Assembler files should have names ending in `.asm'. 114LIB2FUNCS_STATIC_EXTRA = 115 116# Defined in libgcc2.c, included only in the static library. 117# KAN: Excluded _sf_to_tf and _df_to_tf as TPBIT_FUNCS are not 118# built on any of our platforms. 119LIB2FUNCS_ST = _eprintf __gcc_bcmp 120 121FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \ 122 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \ 123 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \ 124 _sf_to_df _thenan_sf _sf_to_usi _usi_to_sf 125 126DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \ 127 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \ 128 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \ 129 _df_to_sf _thenan_df _df_to_usi _usi_to_df 130 131TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \ 132 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \ 133 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \ 134 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf 135 136# These might cause a divide overflow trap and so are compiled with 137# unwinder info. 138LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4 139 140#----------------------------------------------------------------------- 141# 142# Platform specific bits. 143# When upgrading GCC, get the following definitions from config/<cpu>/t-* 144# 145.if ${TARGET_CPUARCH} == "arm" 146# from config/arm/t-strongarm-elf 147CFLAGS+= -Dinhibit_libc -fno-inline 148CFLAGS.clang+= -fheinous-gnu-extensions 149 150LIB1ASMSRC = lib1funcs.asm 151LIB1ASMFUNCS = _dvmd_tls _bb_init_func 152# Some compilers generate __aeabi_ functions libgcc_s is missing 153LIBADD+= compiler_rt 154.endif 155 156.if ${TARGET_CPUARCH} == mips 157LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c 158# ABIs other than o32 need this 159.if ${TARGET_ARCH} != "mips" && ${TARGET_ARCH} != "mipsel" 160LIB2FUNCS_EXTRA+= floatdidf.c fixunsdfsi.c 161LIB2FUNCS_EXTRA+= floatdisf.c floatundidf.c 162LIB2FUNCS_EXTRA+= fixsfdi.c floatundisf.c 163LIB2FUNCS_EXTRA+= fixdfdi.c fixunssfsi.c 164.endif 165.endif 166 167.if ${TARGET_ARCH} == "powerpc" 168# from config/rs6000/t-ppccomm 169LIB2FUNCS_EXTRA = tramp.asm 170LIB2FUNCS_STATIC_EXTRA = eabi.asm 171.endif 172 173.if ${TARGET_ARCH} == "powerpc64" 174# from config/rs6000/t-ppccomm 175LIB2FUNCS_EXTRA = tramp.asm 176.endif 177 178.if ${TARGET_CPUARCH} == "sparc64" 179# from config/sparc/t-elf 180LIB1ASMSRC = lb1spc.asm 181LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3 182.endif 183 184#----------------------------------------------------------------------- 185 186# Remove any objects from LIB2FUNCS and LIB2_DIVMOD_FUNCS that are 187# defined as optimized assembly code in LIB1ASMFUNCS. 188.if defined(LIB1ASMFUNCS) 189.for sym in ${LIB1ASMFUNCS} 190LIB2FUNCS:= ${LIB2FUNCS:S/${sym}//g} 191LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:S/${sym}//g} 192.endfor 193.endif 194 195COMMONHDRS= tm.h tconfig.h options.h gthr-default.h 196.if ${MK_LLVM_LIBUNWIND} == no 197COMMONHDRS+= unwind.h 198.endif 199 200#----------------------------------------------------------------------- 201# 202# Helpful shortcuts for compiler invocations. 203# 204HIDE = -fvisibility=hidden -DHIDE_EXPORTS 205CC_T = ${CC} -c ${CFLAGS} ${HIDE} -fPIC 206CC_P = ${CC} -c ${CFLAGS} ${HIDE} -p -fPIC 207CC_S = ${CC} -c ${CFLAGS} ${PICFLAG} -DSHARED 208 209#----------------------------------------------------------------------- 210# 211# Functions from libgcc2.c 212# 213STD_CFLAGS = 214DIV_CFLAGS = -fexceptions -fnon-call-exceptions 215 216STD_FUNCS = ${LIB2FUNCS} 217DIV_FUNCS = ${LIB2_DIVMOD_FUNCS} 218 219STD_CFILE = libgcc2.c 220DIV_CFILE = libgcc2.c 221 222OBJ_GRPS = STD DIV 223 224#----------------------------------------------------------------------- 225# 226# Floating point emulation functions 227# 228.if ${TARGET_CPUARCH} == "armNOT_YET" || \ 229 ${TARGET_CPUARCH} == "powerpc" || ${TARGET_CPUARCH} == "sparc64" 230 231FPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES -DFLOAT 232DPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES 233 234FPBIT_CFILE = config/fp-bit.c 235DPBIT_CFILE = config/fp-bit.c 236 237OBJ_GRPS += FPBIT DPBIT 238.endif 239 240#----------------------------------------------------------------------- 241# 242# Generic build rules for object groups defined above 243# 244.for T in ${OBJ_GRPS} 245${T}_OBJS_T = ${${T}_FUNCS:S/$/.o/} 246${T}_OBJS_P = ${${T}_FUNCS:S/$/.po/} 247${T}_OBJS_S = ${${T}_FUNCS:S/$/.So/} 248OBJS += ${${T}_FUNCS:S/$/.o/} 249 250${${T}_OBJS_T}: ${${T}_CFILE} ${COMMONHDRS} 251 ${CC_T} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 252${${T}_OBJS_P}: ${${T}_CFILE} ${COMMONHDRS} 253 ${CC_P} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 254${${T}_OBJS_S}: ${${T}_CFILE} ${COMMONHDRS} 255 ${CC_S} ${${T}_CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 256.endfor 257 258#----------------------------------------------------------------------- 259# 260# Extra objects coming from separate files 261# 262.if !empty(LIB2ADD) 263OBJS += ${LIB2ADD:R:S/$/.o/} 264SOBJS += ${LIB2ADD:R:S/$/.So/} 265POBJS += ${LIB2ADD:R:S/$/.po/} 266.endif 267 268#----------------------------------------------------------------------- 269# 270# Objects that should be in static library only. 271# 272SYMS_ST = ${LIB2FUNCS_ST} ${LIB2ADD_ST} 273STAT_OBJS_T = ${SYMS_ST:S/$/.o/} 274STAT_OBJS_P = ${SYMS_ST:S/$/.po/} 275STATICOBJS = ${SYMS_ST:S/$/.o/} 276 277${STAT_OBJS_T}: ${STD_CFILE} ${COMMONHDRS} 278 ${CC_T} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 279${STAT_OBJS_P}: ${STD_CFILE} ${COMMONHDRS} 280 ${CC_P} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c} 281 282#----------------------------------------------------------------------- 283# 284# Assembler files. 285# 286.if defined(LIB1ASMSRC) 287ASM_T = ${LIB1ASMFUNCS:S/$/.o/} 288ASM_P = ${LIB1ASMFUNCS:S/$/.po/} 289ASM_S = ${LIB1ASMFUNCS:S/$/.So/} 290ASM_V = ${LIB1ASMFUNCS:S/$/.vis/} 291OBJS += ${LIB1ASMFUNCS:S/$/.o/} 292 293${ASM_T}: ${LIB1ASMSRC} ${.PREFIX}.vis 294 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \ 295 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis} 296${ASM_P}: ${LIB1ASMSRC} ${.PREFIX}.vis 297 ${CC} -x assembler-with-cpp -p -c ${CFLAGS} -DL${.PREFIX} \ 298 -o ${.TARGET} -include ${.PREFIX}.vis ${.ALLSRC:N*.h:N*.vis} 299${ASM_S}: ${LIB1ASMSRC} 300 ${CC} -x assembler-with-cpp -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} \ 301 -o ${.TARGET} ${.ALLSRC:N*.h} 302${ASM_V}: ${LIB1ASMSRC} 303 ${CC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \ 304 -o ${.PREFIX}.vo ${.ALLSRC:N*.h} 305 ( ${NM} -pg ${.PREFIX}.vo | \ 306 awk 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t.hidden ", $$3 }'\ 307 ) > ${.TARGET} 308 309CLEANFILES += ${ASM_V} ${ASM_V:R:S/$/.vo/} 310.endif 311 312#----------------------------------------------------------------------- 313# 314# Exception handling / unwinding support. 315# 316EH_OBJS_T = ${LIB2ADDEHSTATIC:R:S/$/.o/} 317EH_OBJS_P = ${LIB2ADDEHSTATIC:R:S/$/.po/} 318EH_OBJS_S = ${LIB2ADDEHSHARED:R:S/$/.So/} 319EH_CFLAGS = -fexceptions -D__GLIBC__=3 -DElfW=__ElfN 320SOBJS += ${EH_OBJS_S} 321 322.for _src in ${LIB2ADDEHSTATIC:M*.c} 323${_src:R:S/$/.o/}: ${_src} ${COMMONHDRS} 324 ${CC_T} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC} 325${_src:R:S/$/.po/}: ${_src} ${COMMONHDRS} 326 ${CC_P} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC} 327.endfor 328.for _src in ${LIB2ADDEHSHARED:M*.c} 329${_src:R:S/$/.So/}: ${_src} ${COMMONHDRS} 330 ${CC_S} ${EH_CFLAGS} -o ${.TARGET} ${.IMPSRC} 331.endfor 332 333 334#----------------------------------------------------------------------- 335# 336# Generated headers 337# 338${COMMONHDRS}: ${.CURDIR}/../../usr.bin/cc/cc_tools/Makefile 339 (cd ${.CURDIR}; ${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET}) 340 341CLEANFILES += ${COMMONHDRS} 342CLEANFILES += cs-*.h option* 343 344#----------------------------------------------------------------------- 345# 346# Build symbol version map 347# 348SHLIB_MKMAP = ${GCCDIR}/mkmap-symver.awk 349SHLIB_MKMAP_OPTS = 350SHLIB_MAPFILES = ${GCCDIR}/libgcc-std.ver 351.if ${TARGET_CPUARCH} == "arm" 352SHLIB_MAPFILES += ${GCCDIR}/config/arm/libgcc-bpabi.ver 353.endif 354VERSION_MAP = libgcc.map 355 356libgcc.map: ${SHLIB_MKMAP} ${SHLIB_MAPFILES} ${SOBJS} ${OBJS:R:S/$/.So/} 357 ( ${NM} -pg ${SOBJS};echo %% ; \ 358 cat ${SHLIB_MAPFILES} \ 359 | sed -e '/^[ ]*#/d' \ 360 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \ 361 | ${CC} ${CFLAGS} -E -xassembler-with-cpp -; \ 362 ) | awk -f ${SHLIB_MKMAP} ${SHLIB_MKMAP_OPTS} > ${.TARGET} 363 364CLEANFILES += libgcc.map 365 366#----------------------------------------------------------------------- 367# 368# Build additional static libgcc_eh[_p].a libraries. 369# 370libgcc_eh.a: ${EH_OBJS_T} 371 @${ECHO} building static gcc_eh library 372 @rm -f ${.TARGET} 373 @${AR} ${ARFLAGS} ${.TARGET} `lorder ${EH_OBJS_T} | tsort -q` 374 ${RANLIB} ${RANLIBFLAGS} ${.TARGET} 375 376_LIBS+= libgcc_eh.a 377 378.if ${MK_PROFILE} != "no" 379libgcc_eh_p.a: ${EH_OBJS_P} 380 @${ECHO} building profiled gcc_eh library 381 @rm -f ${.TARGET} 382 @${AR} ${ARFLAGS} ${.TARGET} `lorder ${EH_OBJS_P} | tsort -q` 383 ${RANLIB} ${RANLIBFLAGS} ${.TARGET} 384 385_LIBS+= libgcc_eh_p.a 386.endif 387 388_libinstall: _lib-eh-install 389 390_lib-eh-install: 391.if ${MK_INSTALLLIB} != "no" 392 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ 393 ${_INSTALLFLAGS} libgcc_eh.a ${DESTDIR}${LIBDIR} 394.endif 395.if ${MK_PROFILE} != "no" 396 ${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \ 397 ${_INSTALLFLAGS} libgcc_eh_p.a ${DESTDIR}${LIBDIR} 398.endif 399 400CLEANFILES+= libgcc_eh.a libgcc_eh_p.a ${EH_OBJS_T} ${EH_OBJS_P} 401 402.include <bsd.lib.mk> 403 404.SUFFIXES: .vis .vo 405