1#!/bin/sh 2# Construct makefile for libgcc. 3# Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006 4# Free Software Foundation, Inc. 5# 6# This file is part of GCC. 7 8# Arguments, taken from the environment, since there are a lot 9# of them, and positional args becomes quite ugly. 10# 11# objext 12# LIB1ASMFUNCS 13# LIB2FUNCS_ST 14# LIB2FUNCS_EXCLUDE 15# LIBGCOV 16# LIB2ADD 17# LIB2ADD_ST 18# LIB2ADDEH 19# LIB2ADDEHSTATIC 20# LIB2ADDEHSHARED 21# LIB2ADDEHDEP 22# LIBUNWIND 23# LIBUNWINDDEP 24# SHLIBUNWIND_LINK 25# SHLIBUNWIND_INSTALL 26# FPBIT 27# FPBIT_FUNCS 28# LIB2_DIVMOD_FUNCS 29# LIB2_SIDITI_CONV_FUNCS 30# DFP_ENABLE 31# DFP_CFLAGS 32# DPBIT 33# DPBIT_FUNCS 34# TPBIT 35# TPBIT_FUNCS 36# D32PBIT 37# D32PBIT_FUNCS 38# D64PBIT 39# D64PBIT_FUNCS 40# D128PBIT 41# D128PBIT_FUNCS 42# LIBGCC 43# MULTILIBS 44# EXTRA_MULTILIB_PARTS 45# SHLIB_EXT 46# SHLIB_LINK 47# SHLIB_MKMAP 48# SHLIB_MKMAP_OPTS 49# SHLIB_MAPFILES 50# SHLIB_NM_FLAGS 51# SHLIB_INSTALL 52# MULTILIB_OSDIRNAMES 53# ASM_HIDDEN_OP 54# GCC_FOR_TARGET 55 56# Make needs VPATH to be literal. 57echo 'srcdir = @srcdir@' 58echo 'VPATH = @srcdir@' 59echo 'EQ = =' 60echo 'objects = $(filter %'$objext',$^)' 61echo 62echo '# Dependencies are accumulated as we go.' 63echo 'all: stmp-dirs' 64echo 'dirs = libgcc' 65echo 66 67# Library members defined in libgcc2.c. 68 69# The floating-point conversion routines that involve a single-word integer. 70# XX stands for the integer mode. 71swfloatfuncs= 72for mode in sf df xf; do 73 swfloatfuncs="$swfloatfuncs _fixuns${mode}XX" 74done 75 76# Likewise double-word routines. 77dwfloatfuncs= 78for mode in sf df xf tf; do 79 dwfloatfuncs="$dwfloatfuncs _fix${mode}XX _fixuns${mode}XX" 80 dwfloatfuncs="$dwfloatfuncs _floatXX${mode} _floatunXX${mode}" 81done 82 83# Entries of the form <objfile>:<func>:<wordsize> indicate that libgcc2.c 84# should be compiled with L<func> defined and with LIBGCC2_UNITS_PER_WORD 85# set to <wordsize>. <objfile> is the name of the associated object file 86 87lib2funcs='_muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 88 _cmpdi2 _ucmpdi2 _clear_cache 89 _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 90 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors 91 _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab 92 _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2 93 _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 94 _divxc3 _divtc3 _bswapsi2 _bswapdi2' 95 96if [ "$LIB2_SIDITI_CONV_FUNCS" ]; then 97 for func in $swfloatfuncs; do 98 sifunc=`echo $func | sed -e 's/XX/si/'` 99 lib2funcs="$lib2funcs $sifunc:$sifunc:4" 100 done 101 for func in $dwfloatfuncs; do 102 difunc=`echo $func | sed -e 's/XX/di/'` 103 tifunc=`echo $func | sed -e 's/XX/ti/'` 104 lib2funcs="$lib2funcs $difunc:$difunc:4 $tifunc:$difunc:8" 105 done 106else 107 lib2funcs="$lib2funcs `echo $swfloatfuncs | sed -e 's/XX/si/g'`" 108 lib2funcs="$lib2funcs `echo $dwfloatfuncs | sed -e 's/XX/di/g'`" 109fi 110 111# Disable SHLIB_LINK if shared libgcc not enabled. 112if [ "@enable_shared@" = "no" ]; then 113 SHLIB_LINK="" 114fi 115 116# Build lines. 117 118gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)' 119gcc_s_compile="$gcc_compile -DSHARED" 120make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \ 121 AR_FOR_TARGET="$(AR_FOR_TARGET)" \ 122 AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \ 123 AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \ 124 AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \ 125 CC="$(CC)" CFLAGS="$(CFLAGS)" \ 126 BUILD_PREFIX="$(BUILD_PREFIX)" \ 127 BUILD_PREFIX_1="$(BUILD_PREFIX_1)" \ 128 LANGUAGES="$(LANGUAGES)"' 129 130# Generic dependencies for libgcc 131libgcc_dep='$(CONFIG_H) coretypes.h $(TM_H) $(MACHMODE_H) longlong.h config.status stmp-int-hdrs tsystem.h' 132 133# Dependencies for libgcc2.c 134libgcc2_c_dep='stmp-dirs $(srcdir)/libgcc2.c $(srcdir)/libgcc2.h gbl-ctors.h'" $libgcc_dep" 135 136# Dependencies for libgcov.c 137libgcov_c_dep='stmp-dirs $(srcdir)/libgcov.c $(srcdir)/gcov-io.h $(srcdir)/gcov-io.c gcov-iov.h'" $libgcc_dep" 138 139# Dependencies for fp-bit.c 140fpbit_c_dep='stmp-dirs config.status tsystem.h' 141 142# Dependencies for decnumber and friends. This is an overzealous set, 143# but at least we can be sure to recompile if anything gets modified. 144decnumber_dep='stmp-dirs $(srcdir)/../libdecnumber/decContext.h $(srcdir)/../libdecnumber/decNumber.h 145 $(srcdir)/../libdecnumber/decNumberLocal.h $(srcdir)/../libdecnumber/decimal32.h $(srcdir)/../libdecnumber/decimal64.h 146 $(srcdir)/../libdecnumber/decimal128.h $(srcdir)/../libdecnumber/decDPD.h $(srcdir)/../libdecnumber/decUtility.h' 147 148# Flag whether we need eh_dummy.c 149need_eh_dummy= 150 151if [ "$SHLIB_LINK" ]; then 152 # Test -fvisibility=hidden. We need both a -fvisibility=hidden on 153 # the command line, and a #define to prevent libgcc2.h etc from 154 # overriding that with #pragmas. The dance with @ is to prevent 155 # echo from seeing anything it might take for an option. 156 # echo turns the \$\$\$\$ into $$$$ and when make sees it it 157 # becomes $$ and the shell substitutes the pid. Makes for a 158 # slightly safer temp file. 159 echo "vis_hide := \$(strip \$(subst @,-,\\" 160 echo " \$(shell if echo 'void foo(void); void foo(void) {}' | \\" 161 echo " $gcc_compile -fvisibility=hidden -Werror \\" 162 echo " -c -xc - -o vis_temp_file\$\$\$\$.o 2> /dev/null; \\" 163 echo " then echo @fvisibility=hidden @DHIDE_EXPORTS; \\" 164 echo " rm vis_temp_file\$\$\$\$.o 2> /dev/null; \\" 165 echo " fi)))" 166 echo 167 168 # If we have -fvisibility=hidden, then we need to generate hide 169 # lists for object files implemented in assembly. The default 170 # pseudo-op for this is ".hidden", but can be overridden with 171 # ASM_HIDDEN_OP. 172 [ "$ASM_HIDDEN_OP" ] || ASM_HIDDEN_OP=".hidden" 173 174 echo "ifneq (,\$(vis_hide))" 175 echo "define gen-hide-list" 176 echo "\$(NM_FOR_TARGET) ${SHLIB_NM_FLAGS} \$< | \\" 177 # non-GNU nm emits three fields even for undefined and typeless symbols, 178 # so explicitly omit them 179 echo " \$(AWK) 'NF == 3 && \$\$2 !~ /^[UN]\$\$/ { print \"\\t${ASM_HIDDEN_OP}\", \$\$3 }' > \$@T" 180 echo "mv -f \$@T \$@" 181 echo "endef" 182 echo "else" 183 echo "gen-hide-list = echo > \$@" 184 echo "endif" 185 echo 186else 187 # It is too hard to guarantee that vis_hide and gen-hide-list will never 188 # be referenced if SHLIB_LINK is not set, so set them to the values they'd 189 # have if SHLIB_LINK were set and we didn't have visibility support. 190 echo "vis_hide =" 191 echo "gen-hide-list = echo > \$@" 192fi 193 194# Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are 195# defined as optimized assembly code in LIB1ASMFUNCS or as C code 196# in LIB2FUNCS_EXCLUDE. 197for name in $LIB1ASMFUNCS $LIB2FUNCS_EXCLUDE; do 198 lib2funcs=`echo $lib2funcs | sed -e 's/^'$name'[ :]//' \ 199 -e 's/ '$name'[ :]/ /' \ 200 -e 's/ '$name'$//'` 201 LIB2_DIVMOD_FUNCS=`echo $LIB2_DIVMOD_FUNCS | sed -e 's/^'$name' //' \ 202 -e 's/ '$name' / /' \ 203 -e 's/ '$name'$//'` 204done 205 206# 207# Rules to generate object files. 208# 209 210for ml in $MULTILIBS; do 211 212 # Work out relevant parameters that depend only on the multilib. 213 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'` 214 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; 215 shlib_slibdir_qual= 216 libgcc_a=$dir/libgcc.a 217 libgcov_a=$dir/libgcov.a 218 libgcc_eh_a= 219 libgcc_s_so= 220 libunwind_a= 221 libunwind_so= 222 223 if [ "$LIBUNWIND" ]; then 224 libunwind_a=$dir/libunwind.a 225 fi 226 if [ "$SHLIB_LINK" ]; then 227 libgcc_eh_a=$dir/libgcc_eh.a 228 libgcc_s_so=$dir/libgcc_s${SHLIB_EXT} 229 if [ "$LIBUNWIND" ]; then 230 libunwind_so=$dir/libunwind${SHLIB_EXT} 231 fi 232 os_multilib_dir=`$GCC_FOR_TARGET $flags --print-multi-os-directory` 233 if [ "$os_multilib_dir" != . ]; then 234 shlib_slibdir_qual="/$os_multilib_dir" 235 fi 236 fi 237 238 libgcc_s_so_extra= 239 libunwind_so_extra= 240 241 echo 242 echo \# 243 echo \# ml: $ml 244 echo \# dir: $dir 245 echo \# flags: $flags 246 echo \# libgcc_a: $libgcc_a 247 echo \# libgcov_a: $libgcov_a 248 echo \# libgcc_eh_a: $libgcc_eh_a 249 echo \# libunwind_a: $libunwind_a 250 echo \# 251 echo \# shlib_slibdir_qual: $shlib_slibdir_qual 252 echo \# libgcc_s_so: $libgcc_s_so 253 echo \# libunwind_so: $libunwind_so 254 echo \# 255 echo 256 257 # Update list of directories. 258 if [ $dir != . ]; then 259 echo "dirs += ${dir} libgcc/${dir}" 260 echo 261 fi 262 263 # 264 # Build libgcc1 components. 265 # 266 for name in $LIB1ASMFUNCS; do 267 if [ "$libgcc_s_so" ]; then 268 out="libgcc/${dir}/${name}${objext}" 269 outS="libgcc/${dir}/${name}_s${objext}" 270 outV="libgcc/${dir}/${name}.vis" 271 272 echo ${outS}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)' 273 echo " $gcc_s_compile" $flags -DL$name -xassembler-with-cpp \ 274 -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $outS 275 276 echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)' ${outV} 277 echo " $gcc_compile" $flags -DL$name -xassembler-with-cpp \ 278 -c '$(srcdir)/config/$(LIB1ASMSRC)' -include $outV -o $out 279 280 echo "${outV}: ${outS}; \$(gen-hide-list)" 281 282 echo $libgcc_a: $out 283 echo $libgcc_s_so: $outS 284 if [ "$SHLIB_MKMAP" ]; then 285 echo libgcc/${dir}/libgcc.map: $outS 286 fi 287 else 288 out="libgcc/${dir}/${name}${objext}" 289 echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)' 290 echo " $gcc_compile" $flags -DL$name -xassembler-with-cpp \ 291 -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out 292 echo $libgcc_a: $out 293 fi 294 done 295 296 # 297 # Build libgcc2 components. 298 # 299 300 for name in $lib2funcs; do 301 case $name in 302 *:*:*) 303 defines=`echo $name | sed -e 's/.*:\(.*\):\(.*\)/-DL\1 -DLIBGCC2_UNITS_PER_WORD=\2/'` 304 name=`echo $name | sed -e 's/\(.*\):.*:.*/\1/'` 305 ;; 306 *) 307 defines="-DL$name" 308 ;; 309 esac 310 if [ "$libgcc_s_so" ]; then 311 out="libgcc/${dir}/${name}${objext}" 312 outS="libgcc/${dir}/${name}_s${objext}" 313 314 echo $outS: $libgcc2_c_dep 315 echo " $gcc_s_compile" $flags $defines -c '$(srcdir)/libgcc2.c' \ 316 -o $outS 317 318 echo $out: $libgcc2_c_dep 319 echo " $gcc_compile" $flags $defines '$(vis_hide)' \ 320 -c '$(srcdir)/libgcc2.c' -o $out 321 322 echo $libgcc_a: $out 323 echo $libgcc_s_so: $outS 324 if [ "$SHLIB_MKMAP" ]; then 325 echo libgcc/${dir}/libgcc.map: $outS 326 fi 327 else 328 out="libgcc/${dir}/${name}${objext}" 329 echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)' 330 echo " $gcc_compile" $flags $defines -c '$(srcdir)/libgcc2.c' -o $out 331 echo $libgcc_a: $out 332 fi 333 done 334 335 for name in $LIB2FUNCS_ST; do 336 out="libgcc/${dir}/${name}${objext}" 337 338 echo $out: $libgcc2_c_dep 339 echo " $gcc_compile" $flags -DL$name '$(vis_hide)' \ 340 -c '$(srcdir)/libgcc2.c' -o $out 341 echo ${dir}/libgcc.a: $out 342 done 343 344 for name in $LIB2_DIVMOD_FUNCS; do 345 if [ "$libgcc_s_so" ]; then 346 out="libgcc/${dir}/${name}${objext}" 347 outS="libgcc/${dir}/${name}_s${objext}" 348 349 echo $outS: $libgcc2_c_dep 350 echo " $gcc_s_compile" $flags -DL$name \ 351 -fexceptions -fnon-call-exceptions -c '$(srcdir)/libgcc2.c' -o $outS 352 353 echo $out: $libgcc2_c_dep 354 echo " $gcc_compile" $flags -DL$name '$(vis_hide)' \ 355 -fexceptions -fnon-call-exceptions -c '$(srcdir)/libgcc2.c' -o $out 356 357 echo $libgcc_a: $out 358 echo $libgcc_s_so: $outS 359 if [ "$SHLIB_MKMAP" ]; then 360 echo libgcc/${dir}/libgcc.map: $outS 361 fi 362 else 363 out="libgcc/${dir}/${name}${objext}" 364 echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)' 365 echo " $gcc_compile" $flags -DL$name \ 366 -fexceptions -fnon-call-exceptions -c '$(srcdir)/libgcc2.c' -o $out 367 echo $libgcc_a: $out 368 fi 369 done 370 371 # 372 # Build software floating point functions. 373 # 374 375 for fpbit_var in FPBIT DPBIT TPBIT ; do 376 fpfuncs_var="${fpbit_var}_FUNCS" 377 eval fpbit=\$$fpbit_var 378 eval fpfuncs=\$$fpfuncs_var 379 380 if [ "$fpbit" ] ; then 381 for name in $fpfuncs; do 382 case "$name" in 383 # _sf_to_tf and _df_to_tf require tp-bit.c 384 # being compiled in. 385 _[sd]f_to_tf) [ -z "$TPBIT" ] && continue;; 386 esac 387 if [ "$libgcc_s_so" ]; then 388 out="libgcc/${dir}/${name}${objext}" 389 outS="libgcc/${dir}/${name}_s${objext}" 390 391 echo $outS: $fpbit $fpbit_c_dep 392 echo " $gcc_s_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \ 393 -c $fpbit -o $outS 394 395 echo $out: $fpbit $fpbit_c_dep 396 echo " $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \ 397 '$(vis_hide)' -c $fpbit -o $out 398 399 echo $libgcc_a: $out 400 echo $libgcc_s_so: $outS 401 if [ "$SHLIB_MKMAP" ]; then 402 echo libgcc/${dir}/libgcc.map: $outS 403 fi 404 else 405 out="libgcc/${dir}/${name}${objext}" 406 echo $out: $fpbit $fpbit_c_dep 407 echo " $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \ 408 -c $fpbit -o $out 409 410 echo $libgcc_a: $out 411 fi 412 done 413 fi 414 done 415 416 if [ "@enable_decimal_float@" = "yes" -a -z "$libgcc_so" ]; then 417 # If $DFP_ENABLE is set, then we want all data type sizes. 418 if [ "$DFP_ENABLE" ] ; then 419 D32PBIT=1; D64PBIT=1; D128PBIT=1 420 fi 421 422 # Bring in the DFP support code if D32PBIT, D64PBIT or D128PBIT are set. 423 if [ -n "$D32PBIT" -o -n "$D64PBIT" -o -n "$D128PBIT" ] ; then 424 dec_filenames="decContext decNumber decRound decLibrary decUtility" 425 fi 426 427 # Only bring in decimal*.c files for types we support. 428 if [ -n "$D32PBIT" ] ; then 429 dec_filenames="$dec_filenames decimal32" 430 fi 431 if [ -n "$D64PBIT" ] ; then 432 dec_filenames="$dec_filenames decimal64" 433 fi 434 if [ -n "$D128PBIT" ] ; then 435 dec_filenames="$dec_filenames decimal128" 436 fi 437 438 for name in $dec_filenames ; do 439 out="libgcc/${dir}/${name}${objext}" 440 echo $out: "\$(srcdir)/../libdecnumber/${name}.c" $decnumber_dep 441 echo " $gcc_compile" $flags -c "\$(srcdir)/../libdecnumber/${name}.c" -o $out 442 echo $libgcc_a: $out 443 done 444 445 # For individual functions, loop over each variable by name. 446 for dpbit_var in D32PBIT D64PBIT D128PBIT ; do 447 dpfuncs_var="${dpbit_var}_FUNCS" 448 eval dpbit=\$$dpbit_var 449 eval dpfuncs=\$$dpfuncs_var 450 case "$dpbit_var" in 451 D32PBIT) dpwidth=32 ;; 452 D64PBIT) dpwidth=64 ;; 453 D128PBIT) dpwidth=128 ;; 454 esac 455 456 if [ "$dpbit" ]; then 457 for name in $dpfuncs; do 458 out="libgcc/${dir}/${name}${objext}" 459 echo $out: config/dfp-bit.h config/dfp-bit.c $fpbit_c_dep 460 echo " $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name -DWIDTH=$dpwidth \ 461 $DFP_CFLAGS -c $\(srcdir\)/config/dfp-bit.c -o $out 462 echo $libgcc_a: $out 463 done 464 fi 465 done 466 fi 467 468 for file in $LIB2ADD; do 469 name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'` 470 oname=`echo $name | sed -e 's,.*/,,'` 471 472 if [ "$libgcc_s_so" ]; then 473 out="libgcc/${dir}/${oname}${objext}" 474 outS="libgcc/${dir}/${oname}_s${objext}" 475 476 case $file in 477 *.c) 478 echo $outS: stmp-dirs $file $libgcc_dep 479 echo " $gcc_s_compile" $flags -c $file -o $outS 480 481 echo $out: stmp-dirs $file $libgcc_dep 482 echo " $gcc_compile" $flags '$(vis_hide)' -c $file -o $out 483 ;; 484 485 *.asm | *.S) 486 outV="libgcc/${dir}/${oname}.vis" 487 488 echo $outS: stmp-dirs $file $libgcc_dep 489 echo " $gcc_s_compile" $flags -xassembler-with-cpp \ 490 -c $file -o $outS 491 492 echo $out: stmp-dirs $file $libgcc_dep $outV 493 echo " $gcc_compile" $flags -xassembler-with-cpp \ 494 -include $outV -c $file -o $out 495 echo "${outV}: ${outS}; \$(gen-hide-list)" 496 ;; 497 498 *) 499 echo "Unhandled extension: $file" >&2 500 exit 1 501 ;; 502 esac 503 504 echo $libgcc_a: $out 505 echo $libgcc_s_so: $outS 506 if [ "$SHLIB_MKMAP" ]; then 507 echo libgcc/${dir}/libgcc.map: $outS 508 fi 509 else 510 out="libgcc/${dir}/${oname}${objext}" 511 case $file in 512 *.c) 513 echo $out: stmp-dirs $file $libgcc_dep 514 echo " $gcc_compile" $flags -c $file -o $out 515 ;; 516 517 *.asm | *.S) 518 echo $out: stmp-dirs $file $libgcc_dep 519 echo " $gcc_compile" $flags -xassembler-with-cpp \ 520 -c $file -o $out 521 ;; 522 523 *) 524 echo "Unhandled extension: $file" >&2 525 exit 1 526 ;; 527 esac 528 529 echo $libgcc_a: $out 530 fi 531 done 532 533 534 for file in $LIB2ADD_ST; do 535 name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//'` 536 oname=`echo $name | sed -e 's,.*/,,'` 537 out="libgcc/${dir}/${oname}${objext}" 538 539 case $file in 540 *.c) 541 echo $out: stmp-dirs $file $libgcc_dep 542 echo " $gcc_compile" $flags '$(vis_hide)' -c $file -o $out 543 ;; 544 545 *.asm | *.S) 546 # We may have to compile it twice in order to establish the list 547 # of symbols to be marked hidden. 548 if [ "$libgcc_so" ]; then 549 outV="libgcc/${dir}/${oname}.vis" 550 outT="libgcc/${dir}/${oname}_t${objext}" 551 echo ${outT}: stmp-dirs $file $libgcc_dep 552 echo " $gcc_compile" $flags -xassembler-with-cpp \ 553 -c $file -o ${outT} 554 echo $out: stmp-dirs $file $libgcc_dep $outV 555 echo " $gcc_compile" $flags -xassembler-with-cpp \ 556 -include $outV -c $file -o $out 557 echo "${outV}: ${outT}; \$(gen-hide-list)" 558 else 559 echo $out: stmp-dirs $file $libgcc_dep 560 echo " $gcc_compile" $flags -xassembler-with-cpp \ 561 -c $file -o $out 562 fi 563 ;; 564 565 *) 566 echo "Unhandled extension: $file" >&2 567 exit 1 568 ;; 569 esac 570 echo $libgcc_a: $out 571 done 572 573 # If we don't have libgcc_eh.a, only LIB2ADDEH matters. If we do, only 574 # LIB2ADDEHSTATIC and LIB2ADDEHSHARED matter. (Usually all three are 575 # identical.) 576 577 if [ "$libgcc_eh_a" ]; then 578 for file in $LIB2ADDEHSTATIC; do 579 name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//'` 580 oname=`echo $name | sed -e 's,.*/,,'` 581 out="libgcc/${dir}/${oname}${objext}" 582 583 case $file in 584 *.c) 585 echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep 586 echo " $gcc_compile" $flags -fexceptions '$(vis_hide)' -c $file -o $out 587 ;; 588 *.asm | *.S) 589 # We have to compile it twice in order to establish the list 590 # of symbols to be marked hidden. 591 outV="libgcc/${dir}/${oname}.vis" 592 outT="libgcc/${dir}/${oname}_t${objext}" 593 echo ${outT}: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep 594 echo " $gcc_compile" $flags -xassembler-with-cpp \ 595 -c $file -o ${outT} 596 echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep $outV 597 echo " $gcc_compile" $flags -xassembler-with-cpp \ 598 -include $outV -c $file -o $out 599 echo "${outV}: ${outT}; \$(gen-hide-list)" 600 ;; 601 *) echo "Unhandled extension: $file">&2; exit 1 ;; 602 esac 603 604 echo $libgcc_eh_a: $out 605 done 606 607 for file in $LIB2ADDEHSHARED; do 608 name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//'` 609 oname=`echo $name | sed -e 's,.*/,,'` 610 outS="libgcc/${dir}/${oname}_s${objext}" 611 612 case $file in 613 *.c) 614 echo $outS: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep 615 echo " $gcc_s_compile" $flags -fexceptions -c $file -o $outS 616 ;; 617 *.asm | *.S) 618 echo $outS: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep 619 echo " $gcc_s_compile" $flags -xassembler-with-cpp -c $file -o $outS 620 ;; 621 *) echo "Unhandled extension: $file">&2; exit 1 ;; 622 esac 623 624 echo $libgcc_s_so: $outS 625 if [ "$SHLIB_MKMAP" ]; then 626 echo libgcc/${dir}/libgcc.map: $outS 627 fi 628 done 629 630 # If nothing went into libgcc_eh.a, create a dummy object - 631 # some linkers don't like totally empty archives. 632 if [ -z "$LIB2ADDEHSTATIC" ]; then 633 file=eh_dummy.c 634 out="libgcc/${dir}/eh_dummy${objext}" 635 need_eh_dummy=1 636 637 echo $out: stmp-dirs $file 638 echo " $gcc_compile" $flags '$(vis_hide)' -fexceptions -c $file -o $out 639 echo $libgcc_eh_a: $out 640 fi 641 642 643 else # no libgcc_eh.a 644 for file in $LIB2ADDEH; do 645 name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//'` 646 oname=`echo $name | sed -e 's,.*/,,'` 647 out="libgcc/${dir}/${oname}${objext}" 648 649 case $file in 650 *.c) 651 echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep 652 echo " $gcc_compile" $flags '$(vis_hide)' -fexceptions -c $file -o $out 653 ;; 654 *.asm | *.S) 655 echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep 656 echo " $gcc_compile" $flags -xassembler-with-cpp \ 657 -c $file -o $out 658 ;; 659 *) echo "Unhandled extension: $file">&2; exit 1 ;; 660 esac 661 662 echo $libgcc_a: $out 663 done 664 fi 665 666 # We do _not_ handle assembly files in this context. 667 if [ "$LIBUNWIND" ]; then 668 for file in $LIBUNWIND; do 669 case $file in 670 *.c) ;; 671 *) echo "Unhandled extension: $file">&2; exit 1 ;; 672 esac 673 674 name=`echo $file | sed -e 's/[.]c$//'` 675 oname=`echo $name | sed -e 's,.*/,,'` 676 677 if [ "$libunwind_so" ]; then 678 out="libgcc/${dir}/${oname}${objext}" 679 outS="libgcc/${dir}/${oname}_s${objext}" 680 681 echo $out: stmp-dirs $file $LIBUNWINDDEP 682 echo " $gcc_compile $flags -fexceptions \$(vis_hide) -c $file -o $out" 683 684 echo $outS: stmp-dirs $file $LIBUNWINDDEP 685 echo " $gcc_s_compile $flags -fexceptions -c $file -o $outS" 686 687 echo $libunwind_a: $out 688 echo $libunwind_so: $outS 689 else 690 out="libgcc/${dir}/${oname}${objext}" 691 echo $out: stmp-dirs $file $LIBUNWINDDEP 692 echo " $gcc_compile $flags -fexceptions \$(vis_hide) -c $file -o $out" 693 echo $libunwind_a: $out 694 fi 695 done 696 fi 697 698 # 699 # build libgcov components 700 # 701 for name in $LIBGCOV; do 702 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'` 703 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; 704 out="libgcc/${dir}/${name}${objext}" 705 706 echo $out: $libgcov_c_dep 707 echo " $gcc_compile $flags -DL$name -c \$(srcdir)/libgcov.c -o $out" 708 echo $libgcov_a: $out 709 done 710 711 # EXTRA_MULTILIB_PARTS. 712 if [ -n "$EXTRA_MULTILIB_PARTS" ]; then 713 # Each of the EXTRA_MULTILIB_PARTS is built by recursive invocation 714 # of the parent Makefile. We must do this just once for each 715 # multilib, passing it all the EXTRA_MULTILIB_PARTS as 716 # simultaneous goal targets, so that rules which cannot execute 717 # simultaneously are properly serialized. 718 719 extra= 720 echo 721 for f in $EXTRA_MULTILIB_PARTS; do 722 case $dir in 723 .) out=$f ; t= ;; 724 *) out=$dir/$f ; t=$dir/ ;; 725 esac 726 case $out in 727 # Prevent `make' from interpreting $out as a macro assignment 728 *'$(EQ)'*) targ="T_TARGET=$out T_TARGET" ;; 729 *) targ=$out ;; 730 esac 731 extra="$extra $targ" 732 done 733 734 if [ "$dir" = . ]; then 735 suffix= 736 else 737 suffix=`echo $dir | sed s,/,_,g` 738 fi 739 echo extra$suffix: stmp-dirs 740 echo " $make_compile" \\ 741 echo ' LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\ 742 echo ' MULTILIB_CFLAGS="'$flags'"' T=$t $extra 743 echo "all: extra$suffix" 744 745 # Make libunwind.so and libgcc_s.so depend on these, since they 746 # are likely to be implicitly used by the link process. 747 if [ "$libgcc_s_so" ]; then 748 echo "$libgcc_s_so: extra$suffix" 749 fi 750 if [ "$libunwind_so" ]; then 751 echo "$libunwind_so: extra$suffix" 752 fi 753 fi 754 755 # Library build rules. 756 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'` 757 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; 758 759 # Map-file generation. 760 if [ "$SHLIB_LINK" -a "$SHLIB_MKMAP" ]; then 761 mapfile="libgcc/${dir}/libgcc.map" 762 tmpmapfile="libgcc/${dir}/tmp-libgcc.map" 763 # This uses a here document instead of echos because some shells 764 # will convert the \1 in the second sed command to a control-A. 765 # The behavior of here documents is more predictable. 766 cat <<EOF 767 768${mapfile}: $SHLIB_MKMAP $SHLIB_MAPFILES 769 { \$(NM_FOR_TARGET) $SHLIB_NM_FLAGS \$(objects); echo %%; \\ 770 cat $SHLIB_MAPFILES \\ 771 | sed -e '/^[ ]*#/d' \\ 772 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \\ 773 | $gcc_compile $flags -E -xassembler-with-cpp -; \\ 774 } | \$(AWK) -f $SHLIB_MKMAP $SHLIB_MKMAP_OPTS > ${tmpmapfile} 775 mv '$tmpmapfile' \$@ 776$libgcc_s_so: ${mapfile} 777EOF 778 fi 779 780 # Static libraries. 781 782 # Each of these .a files depends on stmp-dirs. It would seem that 783 # this dependency is redundant, since each of the object files 784 # itself depends on stmp-dirs. However, it is possible that there 785 # are in fact no object files. In that case, the stmp-dirs 786 # dependency is required; the directory containing the archive must 787 # exist before the archive itself can be created. 788 echo "" 789 echo "$libgcc_a: stmp-dirs" 790 echo " -rm -f $libgcc_a" 791 echo ' $(AR_CREATE_FOR_TARGET)' $libgcc_a '$(objects)' 792 echo ' $(RANLIB_FOR_TARGET)' $libgcc_a 793 echo "all: $libgcc_a" 794 795 echo "" 796 echo "$libgcov_a: stmp-dirs" 797 echo " -rm -f $libgcov_a" 798 echo ' $(AR_CREATE_FOR_TARGET)' $libgcov_a '$(objects)' 799 echo ' $(RANLIB_FOR_TARGET)' $libgcov_a 800 echo "all: $libgcov_a" 801 802 # These libraries are not always built. 803 if [ "$libunwind_a" ]; then 804 echo "" 805 echo "$libunwind_a: stmp-dirs" 806 echo " -rm -f $libunwind_a" 807 echo ' $(AR_CREATE_FOR_TARGET)' $libunwind_a '$(objects)' 808 echo ' $(RANLIB_FOR_TARGET)' $libunwind_a 809 echo "all: $libunwind_a" 810 fi 811 812 if [ "$libgcc_eh_a" ]; then 813 echo "" 814 echo "${dir}/libgcc_eh.a: stmp-dirs" 815 echo " -rm -f ${dir}/libgcc_eh.a" 816 echo ' $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc_eh.a '$(objects)' 817 echo ' $(RANLIB_FOR_TARGET)' ${dir}/libgcc_eh.a 818 echo "all: $libgcc_eh_a" 819 fi 820 821 # Shared libraries. 822 if [ "$libgcc_s_so" ]; then 823 echo "" 824 echo "$libgcc_s_so: stmp-dirs $libunwind_so" 825 echo " $SHLIB_LINK" \ 826 | sed -e "s%@multilib_flags@%$flags%g" \ 827 -e "s%@multilib_dir@%$dir%g" \ 828 -e "s%@shlib_objs@%\$(objects)%g" \ 829 -e "s%@shlib_base_name@%libgcc_s%g" \ 830 -e "s%@shlib_map_file@%$mapfile%g" \ 831 -e "s%@shlib_slibdir_qual@%$shlib_dir_qual%g" 832 echo "all: $libgcc_s_so" 833 fi 834 835 if [ "$libunwind_so" ]; then 836 echo "" 837 echo "$libunwind_so: stmp-dirs" 838 echo " $SHLIBUNWIND_LINK" \ 839 | sed -e "s%@multilib_flags@%$flags%g" \ 840 -e "s%@multilib_dir@%$dir%g" \ 841 -e "s%@shlib_objs@%\$(objects)%g" \ 842 -e "s%@shlib_base_name@%libunwind%g" \ 843 -e "s%@shlib_slibdir_qual@%$shlib_dir_qual%g" 844 echo "all: $libunwind_so" 845 fi 846 847done # ml in MULTILIBS 848 849echo 850echo "libgcc-stage-start:" 851echo " for dir in \$(dirs); do \\" 852echo " if [ -d \$(stage)/\$\$dir ]; then :; \\" 853echo " else $mkinstalldirs \$(stage)/\$\$dir; fi; \\" 854echo " done" 855echo " -for dir in \$(dirs); do \\" 856echo " mv \$\$dir/*${objext} \$(stage)/\$\$dir; \\" 857echo " mv \$\$dir/*.vis \$(stage)/\$\$dir; \\" 858echo " mv \$\$dir/*.map \$(stage)/\$\$dir; \\" 859echo " test ! -f \$\$dir/libgcc.a || mv \$\$dir/lib* \$(stage)/\$\$dir; \\" 860echo " done" 861 862echo 863echo "stmp-dirs:" 864echo " for d in \$(dirs); do \\" 865echo " if [ -d \$\$d ]; then true; else $mkinstalldirs \$\$d; fi; \\" 866echo " done" 867echo " if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi" 868 869if [ "$need_eh_dummy" ]; then 870 echo "eh_dummy.c:" 871 echo " echo 'int __libgcc_eh_dummy;' > \$@" 872fi 873 874echo "" 875echo "install: all" 876for ml in $MULTILIBS; do 877 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'` 878 flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; 879 if [ $dir != . ]; then 880 ldir='$(DESTDIR)$(libsubdir)'/$dir 881 echo " if [ -d $ldir ]; then true; else $mkinstalldirs $ldir; chmod a+rx $ldir; fi;" 882 else 883 ldir='$(DESTDIR)$(libsubdir)' 884 fi 885 echo ' $(INSTALL_DATA)' ${dir}/libgcc.a ${ldir}/ 886 echo ' chmod 644' ${ldir}/libgcc.a 887 echo ' $(RANLIB_FOR_TARGET)' ${ldir}/libgcc.a 888 echo ' $(INSTALL_DATA)' ${dir}/libgcov.a ${ldir}/ 889 echo ' chmod 644' ${ldir}/libgcov.a 890 echo ' $(RANLIB_FOR_TARGET)' ${ldir}/libgcov.a 891 892 if [ "$SHLIB_LINK" ]; then 893 echo ' $(INSTALL_DATA)' ${dir}/libgcc_eh.a ${ldir}/ 894 echo ' chmod 644' ${ldir}/libgcc_eh.a 895 echo ' $(RANLIB_FOR_TARGET)' ${ldir}/libgcc_eh.a 896 897 shlib_slibdir_qual= 898 os_multilib_dir=`$GCC_FOR_TARGET $flags --print-multi-os-directory` 899 if [ "$os_multilib_dir" != . ]; then 900 shlib_slibdir_qual="/$os_multilib_dir" 901 fi 902 echo " $SHLIB_INSTALL" \ 903 | sed -e "s%@multilib_dir@%$dir%g" \ 904 -e "s%@shlib_base_name@%libgcc_s%g" \ 905 -e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g" 906 if [ "$LIBUNWIND" ]; then 907 echo " $SHLIBUNWIND_INSTALL" \ 908 | sed -e "s%@multilib_dir@%$dir%g" \ 909 -e "s%@shlib_base_name@%libunwind%g" \ 910 -e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g" 911 libunwinddir='$(DESTDIR)$(slibdir)$(shlib_slibdir_qual)/$(shlib_dir)' 912 echo ' $(INSTALL_DATA)' ${dir}/libunwind.a ${libunwinddir}/ 913 echo ' chmod 644' ${dir}/libunwind.a 914 echo ' $(RANLIB_FOR_TARGET)' ${libunwinddir}/libunwind.a 915 fi 916 fi 917done 918for f in $EXTRA_MULTILIB_PARTS; do 919 for ml in $MULTILIBS; do 920 dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'` 921 if [ $dir != . ]; then 922 out=${dir}/$f 923 ldir='$(DESTDIR)$(libsubdir)'/$dir 924 else 925 out=$f 926 ldir='$(DESTDIR)$(libsubdir)' 927 fi 928 echo ' $(INSTALL_DATA)' $out $ldir/ 929 done 930done 931 932echo '.PHONY: all install' 933