gcc/mklibgcc.in

   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.
  57 echo 'srcdir = @srcdir@'
  58 echo 'VPATH = @srcdir@'
  59 echo 'EQ = ='
  60 echo 'objects = $(filter %'$objext',$^)'
  61 echo
  62 echo '# Dependencies are accumulated as we go.'
  63 echo 'all: stmp-dirs'
  64 echo 'dirs = libgcc'
  65 echo
  66
  67 # Library members defined in libgcc2.c.
  68
  69 # The floating-point conversion routines that involve a single-word integer.
  70 # XX stands for the integer mode.
  71 swfloatfuncs=
  72 for mode in sf df xf; do
  73   swfloatfuncs="$swfloatfuncs _fixuns${mode}XX"
  74 done
  75
  76 # Likewise double-word routines.
  77 dwfloatfuncs=
  78 for mode in sf df xf tf; do
  79   dwfloatfuncs="$dwfloatfuncs _fix${mode}XX _fixuns${mode}XX"
  80   dwfloatfuncs="$dwfloatfuncs _floatXX${mode} _floatunXX${mode}"
  81 done
  82
  83 # Entries of the form <objfile>:<func>:<wordsize> indicate that libgcc2.c
  84 # should be compiled with L<func> defined and with LIBGCC2_UNITS_PER_WORD
  85 # set to <wordsize>.  <objfile> is the name of the associated object file
  86
  87 lib2funcs='_muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3
  88         _cmpdi2 _ucmpdi2 _clear_cache
  89         _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3
  90         _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors
  91         _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab
  92         _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2
  93         _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3
  94         _divxc3 _divtc3'
  95
  96 if [ "$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
 106 else
 107   lib2funcs="$lib2funcs `echo $swfloatfuncs | sed -e 's/XX/si/g'`"
 108   lib2funcs="$lib2funcs `echo $dwfloatfuncs | sed -e 's/XX/di/g'`"
 109 fi
 110
 111 # Disable SHLIB_LINK if shared libgcc not enabled.
 112 if [ "@enable_shared@" = "no" ]; then
 113   SHLIB_LINK=""
 114 fi
 115
 116 # Build lines.
 117
 118 gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
 119 gcc_s_compile="$gcc_compile -DSHARED"
 120 make_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="$(LANGUAGES)"'
 129
 130 # Generic dependencies for libgcc
 131 libgcc_dep='$(CONFIG_H) coretypes.h $(TM_H) $(MACHMODE_H) longlong.h config.status stmp-int-hdrs tsystem.h'
 132
 133 # Dependencies for libgcc2.c
 134 libgcc2_c_dep='stmp-dirs $(srcdir)/libgcc2.c $(srcdir)/libgcc2.h gbl-ctors.h'" $libgcc_dep"
 135
 136 # Dependencies for libgcov.c
 137 libgcov_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
 140 fpbit_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.
 144 decnumber_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 $(srcdir)/../libdecnumber/decUtility.h'
 147
 148 # Flag whether we need eh_dummy.c
 149 need_eh_dummy=
 150
 151 if [ "$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
 186 else
 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 > \$@"
 192 fi
 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.
 197 for 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'$//'`
 204 done
 205
 206 #
 207 # Rules to generate object files.
 208 #
 209
 210 for 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: ${mapfile}
 777 EOF
 778   fi
 779
 780   # Static libraries.
 781
 782   # Each of these .a files depends on stmp-dirs.  It would seem that
 783   # this dependency is redundant, since each of the object files
 784   # itself depends on stmp-dirs.  However, it is possible that there
 785   # are in fact no object files.  In that case, the stmp-dirs
 786   # dependency is required; the directory containing the archive must
 787   # exist before the archive itself can be created.
 788   echo ""
 789   echo "$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
 847 done # ml in MULTILIBS
 848
 849 echo
 850 echo "libgcc-stage-start:"
 851 echo "  for dir in \$(dirs); do \\"
 852 echo "    if [ -d \$(stage)/\$\$dir ]; then :; \\"
 853 echo "    else $mkinstalldirs \$(stage)/\$\$dir; fi; \\"
 854 echo "  done"
 855 echo "  -for dir in \$(dirs); do \\"
 856 echo "    mv \$\$dir/*${objext} \$(stage)/\$\$dir; \\"
 857 echo "    mv \$\$dir/*.vis \$(stage)/\$\$dir; \\"
 858 echo "    mv \$\$dir/*.map \$(stage)/\$\$dir; \\"
 859 echo "    test ! -f \$\$dir/libgcc.a || mv \$\$dir/lib* \$(stage)/\$\$dir; \\"
 860 echo "  done"
 861
 862 echo
 863 echo "stmp-dirs:"
 864 echo "  for d in \$(dirs); do \\"
 865 echo "    if [ -d \$\$d ]; then true; else $mkinstalldirs \$\$d; fi; \\"
 866 echo "  done"
 867 echo "  if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi"
 868
 869 if [ "$need_eh_dummy" ]; then
 870   echo "eh_dummy.c:"
 871   echo "        echo 'int __libgcc_eh_dummy;' > \$@"
 872 fi
 873
 874 echo ""
 875 echo "install: all"
 876 for 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 '        $(RANLIB_FOR_TARGET)' ${ldir}/libgcc.a
 887   echo '        $(INSTALL_DATA)' ${dir}/libgcov.a ${ldir}/
 888   echo '        $(RANLIB_FOR_TARGET)' ${ldir}/libgcov.a
 889
 890   if [ "$SHLIB_LINK" ]; then
 891     echo '      $(INSTALL_DATA)' ${dir}/libgcc_eh.a ${ldir}/
 892     echo '      $(RANLIB_FOR_TARGET)' ${ldir}/libgcc_eh.a
 893
 894     shlib_slibdir_qual=
 895     os_multilib_dir=`$GCC_FOR_TARGET $flags --print-multi-os-directory`
 896     if [ "$os_multilib_dir" != . ]; then
 897       shlib_slibdir_qual="/$os_multilib_dir"
 898     fi
 899     echo "      $SHLIB_INSTALL" \
 900       | sed -e "s%@multilib_dir@%$dir%g" \
 901             -e "s%@shlib_base_name@%libgcc_s%g" \
 902             -e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g"
 903     if [ "$LIBUNWIND" ]; then
 904       echo "    $SHLIBUNWIND_INSTALL" \
 905         | sed -e "s%@multilib_dir@%$dir%g" \
 906               -e "s%@shlib_base_name@%libunwind%g" \
 907               -e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g"
 908       libunwinddir='$(DESTDIR)$(slibdir)$(shlib_slibdir_qual)/$(shlib_dir)'
 909       echo '    $(INSTALL_DATA)' ${dir}/libunwind.a ${libunwinddir}/
 910       echo '    $(RANLIB_FOR_TARGET)' ${libunwinddir}/libunwind.a
 911     fi
 912   fi
 913 done
 914 for f in $EXTRA_MULTILIB_PARTS; do
 915   for ml in $MULTILIBS; do
 916     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 917     if [ $dir != . ]; then
 918       out=${dir}/$f
 919       ldir='$(DESTDIR)$(libsubdir)'/$dir
 920     else
 921       out=$f
 922       ldir='$(DESTDIR)$(libsubdir)'
 923     fi
 924     echo '      $(INSTALL_DATA)' $out $ldir/
 925   done
 926 done
 927
 928 echo '.PHONY: all install'