contrib/regression/btest-gcc.sh

   1 #!/bin/sh
   2
   3 #  Test GCC.
   4 #  Copyright (C) 1999-2023 Free Software Foundation, Inc.
   5
   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; see the file COPYING3.  If not see
  18 #  <http://www.gnu.org/licenses/>.
  19
  20 # INPUT:
  21 # btest <options> <target> <source> <prefix> <state> <build>
  22
  23 add_passes_despite_regression=0
  24 dashj=''
  25
  26 # <options> can be
  27 # --add-passes-despite-regression:
  28 #  Add new "PASSes" despite there being some regressions.
  29 # -j<n>:
  30 #  Pass '-j<n>' to make.
  31
  32 case "$1" in
  33  --add-passes-despite-regression)
  34   add_passes_despite_regression=1; shift;;
  35  -j*)
  36   dashj=$1; shift;;
  37  -*) echo "Invalid option: $1"; exit 2;;
  38 esac
  39
  40 # TARGET is the target triplet.  It should be the same one as used in
  41 # constructing PREFIX.  Or it can be the keyword 'native', indicating
  42 # a target of whatever platform the script is running on.
  43 TARGET=$1
  44 # SOURCE is the directory containing the toplevel configure.
  45 SOURCE=$2
  46
  47 # PREFIX is the directory for the --prefix option to configure.
  48 #   For cross compilers, it needs to contain header files,
  49 #   libraries, and binutils.  PATH should probably include
  50 #   $PREFIX/bin.
  51 PREFIX=$3
  52 # This script also needs to include the GDB testsuite in
  53 #   $PREFIX/share/gdb-testsuite.
  54 GDB_TESTSUITE=$PREFIX/share/gdb-testsuite
  55
  56 # STATE is where the tester maintains its internal state,
  57 #   described below.
  58 STATE=$4
  59
  60 # BUILD is a temporary directory that this script will
  61 #   delete and recreate, containing the build tree.
  62 BUILD=$5
  63
  64 # you also probably need to set these variables:
  65 # PATH: should contain a native gcc, and a cross gdb.
  66 # DEJAGNU: should point to a site.exp suitable for testing
  67 #   the compiler and debugger.
  68
  69
  70 # OUTPUT: in $RESULT, one of the following keywords:
  71 #   error       the script failed due to
  72 #               a misconfiguration or resource limitation
  73 #   build       the build failed
  74 #   regress-<n> the build succeeded, but there were <n>
  75 #               testsuite regressions, listed in $REGRESS
  76 #   pass        build succeeded and there were no regressions
  77 RESULT=$STATE/RESULT
  78 # in BUILD_LOG, the output of the build
  79 BUILD_LOG=$STATE/build_log
  80 # in FAILED, a list of failing testcases
  81 FAILED=$STATE/failed
  82 # in PASSES, the list of testcases we expect to pass
  83 PASSES=$STATE/passes
  84 # in REGRESS, a list of testcases we expected to pass but that failed
  85 REGRESS=$STATE/regress
  86
  87 # Make sure various files exist.
  88 [ -d $STATE ] || mkdir $STATE
  89 [ -f $PASSES ] || touch $PASSES
  90
  91 # These lines should stay in this order, because
  92 # that way if something is badly wrong and $RESULT can't
  93 # be modified then cron will mail the error message.
  94 # The reverse order could lead to the testsuite claiming that
  95 # everything always passes, without running any tests.
  96 echo error > $RESULT || exit 1
  97 exec > $BUILD_LOG 2>&1 || exit 1
  98
  99 set -x
 100
 101 # Nuke $BUILD and recreate it.
 102 rm -rf $BUILD $REGRESS $FAILED
 103 mkdir $BUILD || exit 1
 104 cd $BUILD || exit 1
 105
 106 H_BUILD=`$SOURCE/config.guess || exit 1`
 107 H_HOST=$H_BUILD
 108 if [ $TARGET = native ] ; then
 109   H_TARGET=$H_HOST
 110 else
 111   H_TARGET=$TARGET
 112 fi
 113 H_REAL_TARGET=`$SOURCE/config.sub $H_TARGET || exit 1`
 114
 115 # TESTLOGS is the list of dejagnu .sum files that the tester should
 116 # look at.
 117 TESTLOGS="gcc/testsuite/gcc/gcc.sum
 118 gcc/testsuite/g++/g++.sum
 119 gcc/testsuite/objc/objc.sum"
 120
 121 # Build.
 122 echo build > $RESULT
 123 if [ $H_HOST = $H_TARGET ] ; then
 124   $SOURCE/configure --prefix=$PREFIX --target=$H_TARGET || exit 1
 125   if ! make $dashj bootstrap ; then
 126     [ -s .bad_compare ] || exit 1
 127     cat .bad_compare >> $REGRESS || exit 1
 128     touch compare || exit 1   # Prevent the comparison from running again
 129     make $dashj all || exit 1
 130   fi
 131 else
 132   withopt="--with-gnu-ld --with-gnu-as"
 133   case "$H_TARGET" in
 134     *-linux*) ;;
 135     *) withopt="$withopt --with-newlib";;
 136   esac
 137   $SOURCE/configure --prefix=$PREFIX --target=$H_TARGET $withopt || exit 1
 138   make $dashj || exit 1
 139 fi
 140 echo error > $RESULT || exit 1
 141
 142 # Test GCC against its internal testsuite.
 143 make $dashj -k check
 144
 145 if [ -f gcc/testsuite/gfortran/gfortran.sum ] ; then
 146   TESTLOGS="$TESTLOGS gcc/testsuite/gfortran/gfortran.sum"
 147 fi
 148
 149 if [ -f $BUILD/$H_TARGET/libstdc++-v3/testsuite/libstdc++.sum ] ; then
 150   TESTLOGS="$TESTLOGS $H_TARGET/libstdc++-v3/testsuite/libstdc++.sum"
 151 fi
 152
 153 if [ -f $BUILD/$H_TARGET/libffi/testsuite/libffi.sum ] ; then
 154   TESTLOGS="$TESTLOGS $H_TARGET/libffi/testsuite/libffi.sum"
 155 fi
 156
 157 if [ -f $BUILD/$H_TARGET/libjava/testsuite/libjava.sum ] ; then
 158   TESTLOGS="$TESTLOGS $H_TARGET/libjava/testsuite/libjava.sum"
 159 fi
 160
 161 if [ -f $BUILD/$H_TARGET/libgomp/testsuite/libgomp.sum ] ; then
 162   TESTLOGS="$TESTLOGS $H_TARGET/libgomp/testsuite/libgomp.sum"
 163 fi
 164
 165 if [ -f $BUILD/$H_TARGET/libmudflap/testsuite/libmudflap.sum ] ; then
 166   TESTLOGS="$TESTLOGS $H_TARGET/libmudflap/testsuite/libmudflap.sum"
 167 fi
 168
 169 # Test the just-built GCC with the GDB testsuite.
 170 if [ -d $GDB_TESTSUITE ] ; then
 171   mkdir test-gdb || exit 1
 172   cd $GDB_TESTSUITE || exit 1
 173   for i in gdb.* ; do
 174     if [ -d $i ] ; then
 175       mkdir $BUILD/test-gdb/$i
 176     fi
 177   done
 178   cd $BUILD/test-gdb || exit 1
 179   echo "set host_alias $H_HOST" > site.exp
 180   echo "set host_triplet $H_HOST" >> site.exp
 181   echo "set target_alias $H_TARGET" >> site.exp
 182   echo "set target_triplet $H_REAL_TARGET" >> site.exp
 183   echo "set build_alias $H_BUILD" >> site.exp
 184   echo "set build_triplet $H_BUILD" >> site.exp
 185   echo "set srcdir $GDB_TESTSUITE" >> site.exp
 186   runtest --tool gdb
 187   TESTLOGS="$TESTLOGS test-gdb/gdb.sum"
 188 fi
 189
 190 # Sanity-check the testlogs.  They should contain at least one PASS.
 191 cd $BUILD || exit 1
 192 for LOG in $TESTLOGS ; do
 193   if ! grep ^PASS: $LOG > /dev/null ; then
 194     echo build > $RESULT
 195     exit 1
 196   fi
 197 done
 198
 199 # Work out what failed
 200 for LOG in $TESTLOGS ; do
 201   L=`basename $LOG`
 202   awk '/^FAIL: / { print "'$L'",$2; }' $LOG || exit 1
 203 done | sort | uniq > $FAILED || exit 1
 204 comm -12 $FAILED $PASSES >> $REGRESS || exit 1
 205 NUMREGRESS=`wc -l < $REGRESS | tr -d ' '`
 206
 207 if [ $NUMREGRESS -eq 0 ] || [ $add_passes_despite_regression -ne 0 ] ; then
 208   # Update the state.
 209   for LOG in $TESTLOGS ; do
 210     L=`basename $LOG`
 211     awk '/^PASS: / { print "'$L'",$2; }' $LOG || exit 1
 212   done | sort | uniq | comm -23 - $FAILED > ${PASSES}~ || exit 1
 213   [ -s ${PASSES}~ ] || exit 1
 214   if [ $NUMREGRESS -ne 0 ] ; then
 215     # The way we keep track of new PASSes when in "regress-N" for
 216     # --add-passes-despite-regression, is to *add* them to previous
 217     # PASSes.  Just as without this option, we don't forget *any* PASS
 218     # lines, because besides the ones in $REGRESS that we definitely
 219     # don't want to lose, their removal or rename may have been a
 220     # mistake (as in, the cause of the "regress-N" state).  If they
 221     # come back, we then know they're regressions.
 222     cat ${PASSES}~ ${PASSES} | sort -u > ${PASSES}~~
 223     mv ${PASSES}~~ ${PASSES} || exit 1
 224     rm ${PASSES}~ || exit 1
 225   else
 226     # In contrast to the merging for "regress-N", we just overwrite
 227     # the known PASSes when in the "pass" state, so we get rid of
 228     # stale PASS lines for removed, moved or otherwise changed tests
 229     # which may be added back with a different meaning later on.
 230     mv ${PASSES}~ ${PASSES} || exit 1
 231   fi
 232 fi
 233
 234 if [ $NUMREGRESS -ne 0 ] ; then
 235   echo regress-$NUMREGRESS > $RESULT
 236   exit 1
 237 fi
 238
 239 echo pass > $RESULT
 240 exit 0