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|
#! /bin/sh
# (must be called from the valgrind top source dir).
#
# Make local links in the gdbserver_tests directory
# so that tests needing gdb can be disabled if
# a tool old version of gdb is provided or if no gdb is
# provided.
#
# The vgdb link is needed either for gdb tests
# or for standalone vgdb tests.
# Make sure we're in the correct directory, i.e. the root of the valgrind
# source tree. We use the existence of the coregrind directory as evidence
# that we're in the right place.
if [ ! -d "coregrind" ]; then
echo "make_local_links is not invoked from the top-of-tree directory" 1>&2
exit 1
fi
# Make sure there is an argument
if [ "x$1" = "x" ]; then
echo "usage: make_local_links /path/to/gdb" 1>&2
exit 1
fi
if [ -x "$1" ]
then
ln -f -s "$1" gdbserver_tests/gdb
# Try to extract the gdb version.
VERSIONLINE=`gdbserver_tests/gdb --version | head -n 1`
VERSION=`echo $VERSIONLINE |
sed -e 's/[^0-9\.]//g' -e 's/\./ /g'`
# We need at least a 6.5 version to use the Valgrind gdbserver.
# However, the tests are only supported/maintained for gdb >= 7
VERSIONOK=`echo $VERSION |
awk '{ if ($1 >= 7) print "version ok"}'`
if [ "$VERSIONOK" = "" ]
then
echo "gdbserver tests suppressed as $1 version is < 6.5: " $VERSIONLINE
rm -f gdbserver_tests/gdb
fi
# We need at least a 7.1 version to run the 'pic' executable test
# (with 7.0, it fails on many platforms)
# On ARM, we need at least 7.1 to run the 'next/step/...' tests.
# (gdb 7.0 has bugs in the 'guess next pc' heuristic in thumb mode).
VERSIONOK=`echo $VERSION |
awk '{ if ( ($1 >= 8) || (($1 == 7) && ($2 >= 1)) ) print "version ok"}'`
# By default, consider step/next/... tests are ok. We will remove for ARM if needed.
touch gdbserver_tests/gdb.step
if [ "$VERSIONOK" = "" ]
then
echo "gdbserver 'pic' tests suppressed as $1 version is < 7.1: " $VERSIONLINE
rm -f gdbserver_tests/gdb.pic
if tests/arch_test arm
then
echo "gdbserver 'step/next' tests suppressed as arm $1 version is < 7.1: " $VERSIONLINE
rm -f gdbserver_tests/gdb.step
fi
else
touch gdbserver_tests/gdb.pic
fi
# We need at least a 7.2 version for gdb tests using eval command
VERSIONOK=`echo $VERSION |
awk '{ if ( ($1 >= 8) || (($1 == 7) && ($2 >= 2)) ) print "version ok"}'`
if [ "$VERSIONOK" = "" ]
then
echo "gdbserver eval tests suppressed as $1 version is < 7.2: " $VERSIONLINE
rm -f gdbserver_tests/gdb.eval
else
touch gdbserver_tests/gdb.eval
fi
else
echo "gdbserver gdb tests suppressed as $1 is not executable"
fi
ln -f -s ../coregrind/vgdb gdbserver_tests/vgdb
# if ptrace not implemented in vgdb or OS restricts the initial attach,
# some tests would block for a loooonnnng time.
if gdbserver_tests/vgdb --help 2>&1 |
grep -e 'ptrace invoker not implemented' \
-e 'kernel restricts ptrace invoker' > /dev/null
then
rm -f gdbserver_tests/vgdb.ptraceinvoker
else
touch gdbserver_tests/vgdb.ptraceinvoker
fi
# cleanup the possibly big garbage previously collected output
rm -f gdbserver_tests/garbage.filtered.out
|
