diff options
| -rwxr-xr-x | source4/script/gdb_backtrace | 87 |
1 files changed, 68 insertions, 19 deletions
diff --git a/source4/script/gdb_backtrace b/source4/script/gdb_backtrace index bff70c389a..0e593764ff 100755 --- a/source4/script/gdb_backtrace +++ b/source4/script/gdb_backtrace @@ -1,33 +1,82 @@ #!/bin/sh +BASENAME=`basename $0` + if [ -n "$VALGRIND" -o -n "$SMBD_VALGRIND" ]; then - echo "Not running gdb under valgrind" - exit 1 + echo "${BASENAME}: Not running debugger under valgrind" + exit 1 fi # we want everything on stderr, so the program is not disturbed exec 1>&2 +BASENAME=`basename $0` +UNAME=`uname` + PID=$1 -PROG=$2 +BINARY=$2 + +test x"${PID}" = x"" && { + echo "Usage: ${BASENAME} <pid> [<binary>]" + exit 1 +} + +DB_LIST="gdb" +case "${UNAME}" in + # + # on Tru64 we need to try ladebug first + # because gdb crashes itself... + # + OSF1) + DB_LIST="ladebug ${DB_LIST}" + ;; +esac + +for DB in ${DB_LIST}; do + DB_BIN=`which ${DB} 2>/dev/null` + test x"${DB_BIN}" != x"" && { + break + } +done + +test x"${DB_BIN}" = x"" && { + echo "${BASENAME}: ERROR: No debugger found." + exit 1 +} + +# +# we first try to use /proc/${PID}/exe +# then fallback to the binary from the commandline +# then we search for the commandline argument with +# 'which' +# +test -f "/proc/${PID}/exe" && BINARY="/proc/${PID}/exe" +test x"${BINARY}" = x"" && BINARY="/proc/${PID}/exe" +test -f "${BINARY}" || BINARY=`which ${BINARY}` + +test -f "${BINARY}" || { + echo "${BASENAME}: ERROR: Cannot find binary '${BINARY}'." + exit 1 +} -TMPFILE=/tmp/gdb.$$ -cat << EOF > $TMPFILE +echo "${BASENAME}: Trying to use ${DB_BIN} on ${BINARY} on PID ${PID}" + +BATCHFILE=/tmp/gdb_backtrace.$$ +case "${DB}" in + ladebug) +cat << EOF > ${BATCHFILE} +where +quit +EOF + ${DB_BIN} -c "${BATCHFILE}" -pid "${PID}" "${BINARY}" + ;; + gdb) +cat << EOF > ${BATCHFILE} set height 1000 bt full quit EOF - -if [ ! -f $PROG ]; then - PROG=`which $PROG` -fi -if [ ! -f $PROG ]; then - PROG=/proc/$PID/exe -fi -if [ ! -f $PROG ]; then - echo "Unable to find binary" - exit 1 -fi - -gdb -batch -x $TMPFILE $PROG $PID < /dev/null -/bin/rm -f $TMPFILE + ${DB_BIN} -x "${BATCHFILE}" "${BINARY}" "${PID}" + ;; +esac +/bin/rm -f ${BATCHFILE} |