#! /bin/sh # # Author: Andrew Tridgell <tridge at samba dot org> # we want everything on stderr, so the program is not disturbed exec 1>&2 BASENAME=$( basename $0) test -z ${GDB_BIN} && GDB_BIN=$( type -p gdb) if [ -z ${GDB_BIN} ]; then echo "ERROR: ${BASENAME} needs an installed gdb. " exit 1 fi if [ -z $1 ]; then echo "ERROR: ${BASENAME} needs a PID. " exit 1 fi PID=$1 # use /dev/shm as default temp directory test -d /dev/shm && \ TMP_BASE_DIR=/dev/shm || \ TMP_BASE_DIR=/var/tmp TMPFILE=$( mktemp -p ${TMP_BASE_DIR} backtrace.XXXXXX) if [ $? -ne 0 ]; then echo "ERROR: ${basename} can't create temp file in ${TMP_BASE_DIR}. " exit 1 fi cat << EOF > "${TMPFILE}" set height 0 up 8 bt full quit EOF ${GDB_BIN} -x "${TMPFILE}" "/proc/${PID}/exe" "${PID}" /bin/rm -f "${TMPFILE}"