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Viewing changes to source3/script/tests/gdb_backtrace

  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
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source3/script/tests/gdb_backtrace
 
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#!/bin/sh
 
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BASENAME=`basename $0`
 
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if [ -n "$VALGRIND" -o -n "$SMBD_VALGRIND" ]; then
 
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        echo "${BASENAME}: Not running debugger under valgrind"
 
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        exit 1
 
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fi
 
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# we want everything on stderr, so the program is not disturbed
 
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exec 1>&2
 
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BASENAME=`basename $0`
 
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UNAME=`uname`
 
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PID=$1
 
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BINARY=$2
 
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test x"${PID}" = x"" && {
 
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        echo "Usage: ${BASENAME} <pid> [<binary>]"
 
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        exit 1
 
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}
 
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DB_LIST="gdb"
 
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case "${UNAME}" in
 
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        #
 
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        # on Tru64 we need to try ladebug first
 
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        # because gdb crashes itself...
 
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        #
 
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        OSF1)
 
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                DB_LIST="ladebug ${DB_LIST}"
 
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        ;;
 
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esac
 
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for DB in ${DB_LIST}; do
 
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        DB_BIN=`which ${DB} 2>/dev/null | grep '^/'`
 
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        test x"${DB_BIN}" != x"" && {
 
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                break
 
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        }
 
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done
 
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test x"${DB_BIN}" = x"" && {
 
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        echo "${BASENAME}: ERROR: No debugger found."
 
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        exit 1
 
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}
 
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#
 
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# we first try to use /proc/${PID}/exe
 
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# then fallback to the binary from the commandline
 
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# then we search for the commandline argument with
 
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# 'which'
 
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#
 
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test -f "/proc/${PID}/exe" && BINARY="/proc/${PID}/exe"
 
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test x"${BINARY}" = x"" && BINARY="/proc/${PID}/exe"
 
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test -f "${BINARY}" || BINARY=`which ${BINARY}`
 
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test -f "${BINARY}" || {
 
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        echo "${BASENAME}: ERROR: Cannot find binary '${BINARY}'."
 
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        exit 1
 
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}
 
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echo "${BASENAME}: Trying to use ${DB_BIN} on ${BINARY} on PID ${PID}"
 
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BATCHFILE_PRE=/tmp/gdb_backtrace_pre.$$
 
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BATCHFILE_MAIN=/tmp/gdb_backtrace_main.$$
 
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case "${DB}" in
 
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        ladebug)
 
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cat << EOF  > ${BATCHFILE_PRE}
 
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set \$stoponattach
 
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EOF
 
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cat << EOF  > ${BATCHFILE_MAIN}
 
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where
 
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quit
 
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EOF
 
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        ${DB_BIN} -c "${BATCHFILE_MAIN}" -i "${BATCHFILE_PRE}" -pid "${PID}" "${BINARY}"
 
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        ;;
 
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        gdb)
 
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cat << EOF  > ${BATCHFILE_MAIN}
 
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set height 1000
 
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bt full
 
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quit
 
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EOF
 
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        ${DB_BIN} -x "${BATCHFILE_MAIN}" "${BINARY}" "${PID}"
 
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        ;;
 
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esac
 
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/bin/rm -f ${BATCHFILE_PRE} ${BATCHFILE_MAIN}