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source/script/tests/gdb_backtrace

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#! /bin/sh

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#

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# Author: Andrew Tridgell <tridge at samba dot org>

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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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test -z ${GDB_BIN} && GDB_BIN=$( type -p gdb)

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if [ -z ${GDB_BIN} ]; then

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        echo "ERROR: ${BASENAME} needs an installed gdb. "

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        exit 1

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fi

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if [ -z $1 ]; then

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        echo "ERROR: ${BASENAME} needs a PID. "

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        exit 1

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fi

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PID=$1

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# use /dev/shm as default temp directory

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test -d /dev/shm && \

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        TMP_BASE_DIR=/dev/shm || \

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        TMP_BASE_DIR=/var/tmp

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TMPFILE=$( mktemp -p ${TMP_BASE_DIR} backtrace.XXXXXX)

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if [ $? -ne 0 ]; then

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        echo "ERROR: ${basename} can't create temp file in ${TMP_BASE_DIR}. "

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        exit 1

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fi

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cat << EOF  > "${TMPFILE}"

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set height 0

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up 8

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bt full

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quit

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EOF

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${GDB_BIN} -x "${TMPFILE}" "/proc/${PID}/exe" "${PID}"

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/bin/rm -f "${TMPFILE}"

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