gdbserver_tests/make_local_links

   1 #! /bin/sh
   2
   3 # (must be called from the valgrind top source dir).
   4 #
   5 # Make local links in the gdbserver_tests directory
   6 # so that tests needing gdb can be disabled if
   7 # a too old version of gdb is provided or if no gdb is
   8 # provided.
   9 #
  10 # The vgdb link is needed either for gdb tests
  11 # or for standalone vgdb tests.
  12
  13 # Make sure we're in the correct directory, i.e. the root of the valgrind
  14 # source tree. We use the existence of the coregrind directory as evidence
  15 # that we're in the right place.
  16 if [ ! -d "coregrind" ]; then
  17   echo  "make_local_links is not invoked from the top-of-tree directory" 1>&2
  18   exit 1
  19 fi
  20
  21 # Make sure there is an argument
  22 if [ "x$1" = "x" ]; then
  23   echo  "usage: make_local_links /path/to/gdb" 1>&2
  24   exit 1
  25 fi
  26
  27
  28 export GDB=""
  29 export GDBVERSIONLINE=""
  30 export GDBMAJ=""
  31 export GDBMIN=""
  32
  33 # $1 = Major.Minor gdb version needed
  34 # $2 = marker file to touch (if version ok) or to remove (version not ok)
  35 # $3 and following: msg in output
  36 check_version()
  37 {
  38   NEEDED=$1
  39   shift
  40   NEEDEDMAJ=$(echo $NEEDED | awk -F\. '{ print $1 }')
  41   NEEDEDMIN=$(echo $NEEDED | awk -F\. '{ print $2 }')
  42
  43   MARKERFILE=$1
  44   shift
  45
  46   if [   \( $GDBMAJ -gt $NEEDEDMAJ \)         \
  47       -o \(   \( $GDBMAJ -eq $NEEDEDMAJ \)    \
  48            -a \( $GDBMIN -ge $NEEDEDMIN \) \)     ]
  49   then
  50     if [ ! -f $MARKERFILE ]
  51     then
  52       touch $MARKERFILE
  53     fi
  54   else
  55     echo "$@"  "suppressed as $GDB version" $GDBVERSIONLINE "is <" $NEEDED
  56     rm -f $MARKERFILE
  57   fi
  58 }
  59
  60 if [ -x "$1" ]
  61 then
  62    GDB=$1
  63    ln -f -s "$GDB" gdbserver_tests/gdb
  64    # Try to extract the gdb version major and minor numbers.
  65    # We assume these are the first two integers separated by a .
  66    GDBVERSIONLINE=`gdbserver_tests/gdb --version | head -n 1`
  67    GDBMAJ=`echo $GDBVERSIONLINE | sed -e 's/[^0-9\.]//g' |
  68                   awk -F\. '{print $1}'`
  69    GDBMIN=`echo $GDBVERSIONLINE | sed -e 's/[^0-9\.]//g' |
  70                   awk -F\. '{print $2}'`
  71
  72    # We need at least a 6.5 version to use the Valgrind gdbserver.
  73    # However, the gdb tests are only supported/maintained for gdb >= 7
  74    check_version 7.0 gdbserver_tests/gdb "gdbserver gdb tests"
  75
  76    # We need at least a 7.1 version to run the 'pic' executable tests
  77    # (with 7.0, it fails on many platforms)
  78    check_version 7.1 gdbserver_tests/gdb.pic "pic executable tests"
  79
  80    # by default, we can run tests needed next/step/...
  81    # But on ARM, we need at least 7.1 to run the 'next/step/...' tests.
  82    # (gdb 7.0 has bugs in the 'guess next pc' heuristic in thumb mode).
  83    if tests/arch_test arm
  84    then
  85       check_version 7.1 gdbserver_tests/gdb.step "gdbserver next/step/... tests ARM"
  86    else
  87       check_version 7.0 gdbserver_tests/gdb.step "gdbserver next/step/... tests"
  88    fi
  89
  90    # We need at least a 7.2 version for gdb tests using eval command
  91    check_version 7.2 gdbserver_tests/gdb.eval "gdbserver eval tests"
  92
  93 else
  94    echo "gdbserver gdb tests suppressed as $1 is not executable"
  95 fi
  96
  97 ln -f -s ../coregrind/vgdb gdbserver_tests/vgdb
  98 ln -f -s ../../coregrind/vgdb gdbserver_tests/solaris/vgdb
  99
 100 # if ptrace not implemented in vgdb or OS restricts the initial attach,
 101 # some tests would block for a loooonnnng time.
 102 if gdbserver_tests/vgdb --help 2>&1 |
 103     grep -e 'invoker not implemented' > /dev/null
 104 then
 105     rm -f gdbserver_tests/vgdb.invoker
 106 else
 107     touch gdbserver_tests/vgdb.invoker
 108 fi
 109
 110 # cleanup the possibly big garbage previously collected output
 111 rm -f gdbserver_tests/garbage.filtered.out
 112 rm -f gdbserver_tests/solaris/garbage.filtered.out