gdb/gdb_buildall.sh

   1 #!/bin/sh
   2
   3 # Build script to build GDB with all targets enabled.
   4
   5 # Copyright (C) 2008-2021 Free Software Foundation, Inc.
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 # Make certain that the script is not running in an internationalized
  20 # environment. The script is grepping for GDB's output.
  21
  22 # Contributed by Markus Deuling <deuling@de.ibm.com>.
  23 # Based on gdb_mbuild.sh from Richard Earnshaw.
  24
  25
  26 LANG=c ; export LANG
  27 LC_ALL=c ; export LC_ALL
  28
  29 # Prints a usage message.
  30 usage()
  31 {
  32   cat <<EOF
  33 Usage: gdb_buildall.sh [ <options> ... ] <srcdir> <builddir>
  34
  35 Options:
  36
  37   --bfd64        Enable 64-bit BFD.
  38   --clean        Delete build directory after check.
  39   -e <regexp>    Regular expression for selecting the targets to build.
  40   --force        Force rebuild.
  41   -j <makejobs>  Run <makejobs> in parallel.  Passed to make.
  42                  On a single cpu machine, 2 is recommended.
  43  Arguments:
  44    <srcdir>       Source code directory.
  45    <builddir>     Build directory.
  46
  47  Environment variables examined (with default if not defined):
  48    MAKE (make)"
  49 EOF
  50   exit 1
  51 }
  52
  53 ### Command line options.
  54 makejobs=
  55 force=false
  56 targexp=""
  57 bfd_flag=""
  58 clean=false
  59 while test $# -gt 0
  60 do
  61   case "$1" in
  62   -j )
  63       # Number of parallel make jobs.
  64       shift
  65       test $# -ge 1 || usage
  66       makejobs="-j $1"
  67       ;;
  68       --clean )
  69         # Shall the build directory be deleted after processing?
  70         clean=true
  71         ;;
  72     -e )
  73       # A regular expression for selecting targets
  74       shift
  75       test $# -ge 1 || usage
  76       targexp="${targexp} -e ${1}"
  77       ;;
  78     --force )
  79       # Force a rebuild
  80       force=true ;
  81       ;;
  82     --bfd64)
  83       # Enable 64-bit BFD
  84       bfd_flag="--enable-64-bit-bfd"
  85       ;;
  86     -* ) usage ;;
  87     *) break ;;
  88   esac
  89   shift
  90 done
  91
  92 if test $# -ne 2
  93 then
  94   usage
  95 fi
  96
  97 ### Environment.
  98
  99 # Convert these to absolute directory paths.
 100 srcdir=`cd $1 && /bin/pwd` || exit 1
 101 builddir=`cd $2 && /bin/pwd` || exit 1
 102 # Version of make to use
 103 make=${MAKE:-make}
 104 MAKE=${make}
 105 export MAKE
 106 # We don't want GDB do dump cores.
 107 ulimit -c 0
 108
 109 # Just make sure we're in the right directory.
 110 maintainers=${srcdir}/gdb/MAINTAINERS
 111 if [ ! -r ${maintainers} ]
 112 then
 113     echo Maintainers file ${maintainers} not found
 114     exit 1
 115 fi
 116
 117
 118 # Build GDB with all targets enabled.
 119 echo "Starting gdb_buildall.sh ..."
 120
 121 trap "exit 1"  1 2 15
 122 dir=${builddir}/ALL
 123
 124 # Should a scratch rebuild be forced, for perhaps the entire build be skipped?
 125 if ${force}
 126 then
 127   echo ... forcing rebuild
 128   rm -rf ${dir}
 129 fi
 130
 131 # Did the previous configure attempt fail?  If it did restart from scratch
 132 if test -d ${dir} -a ! -r ${dir}/Makefile
 133 then
 134   echo ... removing partially configured
 135   rm -rf ${dir}
 136   if test -d ${dir}
 137   then
 138     echo "... ERROR: Unable to remove directory ${dir}"
 139     exit 1
 140   fi
 141 fi
 142
 143 # Create build directory.
 144 mkdir -p ${dir}
 145 cd ${dir} || exit 1
 146
 147 # Configure GDB.
 148 if test ! -r Makefile
 149 then
 150   # Default SIMOPTS to GDBOPTS.
 151   test -z "${simopts}" && simopts="${gdbopts}"
 152
 153   # The config options.
 154   __build="--enable-targets=all"
 155   __enable_gdb_build_warnings=`test -z "${gdbopts}" \
 156     || echo "--enable-gdb-build-warnings=${gdbopts}"`
 157   __enable_sim_build_warnings=`test -z "${simopts}" \
 158     || echo "--enable-sim-build-warnings=${simopts}"`
 159   __configure="${srcdir}/configure \
 160     ${__build} ${bfd_flag}\
 161     ${__enable_gdb_build_warnings} \
 162     ${__enable_sim_build_warnings}"
 163   echo ... ${__configure}
 164   trap "echo Removing partially configured ${dir} directory ...; rm -rf ${dir}; exit 1" 1 2 15
 165   ${__configure} > Config.log 2>&1
 166   trap "exit 1"  1 2 15
 167
 168   # Without Makefile GDB won't build.
 169   if test ! -r Makefile
 170   then
 171     echo "... CONFIG ERROR: GDB couldn't be configured " | tee -a Config.log
 172     echo "... CONFIG ERROR: see Config.log for details "
 173     exit 1
 174   fi
 175 fi
 176
 177 # Build GDB, if not built.
 178 gdb_bin="gdb/gdb"
 179 if test ! -x gdb/gdb -a ! -x gdb/gdb.exe
 180 then
 181   echo ... ${make} ${makejobs}
 182   ( ${make} ${makejobs} all-gdb || rm -f gdb/gdb gdb/gdb.exe
 183   ) > Build.log 2>&1
 184
 185   # If the build fails, exit.
 186   if test ! -x gdb/gdb -a ! -x gdb/gdb.exe
 187   then
 188     echo "... BUILD ERROR: GDB couldn't be compiled " | tee -a Build.log
 189     echo "... BUILD ERROR: see Build.log for details "
 190     exit 1
 191   fi
 192   if test -x gdb/gdb.exe
 193   then
 194     gdb_bin="gdb/gdb.exe"
 195   fi
 196 fi
 197
 198
 199 # Retrieve a list of settable architectures by invoking "set architecture"
 200 # without parameters.
 201 cat <<EOF > arch
 202 set architecture
 203 quit
 204 EOF
 205 ./gdb/gdb --batch -nx -x arch 2>&1 | cat > gdb_archs
 206 tail -n 1 gdb_archs | sed 's/auto./\n/g' | sed 's/,/\n/g' |  sed 's/Requires an argument. Valid arguments are/\n/g' | sed '/^[ ]*$/d' > arch
 207 mv arch gdb_archs
 208
 209 if test "${targexp}" != ""
 210 then
 211   alltarg=`cat gdb_archs | grep ${targexp}`
 212 else
 213   alltarg=`cat gdb_archs`
 214 fi
 215 rm -f gdb_archs
 216
 217 # Test all architectures available in ALLTARG
 218 echo "maint print architecture for"
 219 echo "$alltarg" | while read target
 220 do
 221   cat <<EOF > x
 222 set architecture ${target}
 223 maint print architecture
 224 quit
 225 EOF
 226   log_file=$target.log
 227   log_file=${log_file//:/_}
 228   echo -n "... ${target}"
 229   ./gdb/gdb -batch -nx -x x 2>&1 | cat > $log_file
 230   # Check GDBs results
 231   if test ! -s $log_file
 232   then
 233     echo " ERR: gdb printed no output" | tee -a $log_file
 234   elif test `grep -o internal-error $log_file | tail -n 1`
 235   then
 236     echo " ERR: gdb panic" | tee -a $log_file
 237   else
 238     echo " OK"
 239   fi
 240
 241   # Create a sed script that cleans up the output from GDB.
 242   rm -f mbuild.sed
 243   # Rules to replace <0xNNNN> with the corresponding function's name.
 244   sed -n -e '/<0x0*>/d' -e 's/^.*<0x\([0-9a-f]*\)>.*$/0x\1/p' $log_file \
 245   | sort -u \
 246   | while read addr
 247   do
 248     func="`addr2line -f -e ./$gdb_bin -s ${addr} | sed -n -e 1p`"
 249     echo "s/<${addr}>/<${func}>/g"
 250   done >> mbuild.sed
 251   # Rules to strip the leading paths off of file names.
 252   echo 's/"\/.*\/gdb\//"gdb\//g' >> mbuild.sed
 253   # Run the script.
 254   sed -f mbuild.sed $log_file > Mbuild.log
 255
 256   mv Mbuild.log ${builddir}/$log_file
 257   rm -rf $log_file x mbuild.sed
 258 done
 259 echo "done."
 260
 261 # Clean up build directory if necessary.
 262 if ${clean}
 263 then
 264   echo "cleanning up $dir"
 265   rm -rf ${dir}
 266 fi
 267
 268 exit 0