inflatsim

#!/usr/bin/env bash

DEFLATE_ROOT=$(dirname $(realpath $0))
DEFLATE=${DEFLATE:=${DEFLATE_ROOT}/simulate}
QEMU_X86_64=${QEMU_X86_64:=qemu-x86_64}

TRACE_FILE=trace.txt
ANALYSIS_FILE=analysis.txt
BT=ideal
usage() {
    echo "${0##*/}: decompose the DBT inflation"
    echo "Usage: ${0##*/} [-h] [-v] [-f <TRACE_FILE>] [-o <ANALYSIS_FILE>] [-t <BT>] -- <COMMAND>"
    echo "  -h: show this message"
    echo "  -v: output verbose analysis"
    echo "  -f <TRACE_FILE>: the output path for trace file"
    echo "     default: ${TRACE_FILE}"
    echo "  -o <ANALYSIS_FILE>: the output path for analysis file"
    echo "     default: ${ANALYSIS_FILE}"
    echo "  -t <BT>: binary translator to be simulated"
    echo "     available: ideal, exagear, rosetta, latx"
    echo "     default: ${BT}"
    exit 1
}

options=$(getopt -o hvfot -- "$@")
[ $? -eq 0 ] || usage
eval set -- "$options"
while true; do
    case $1 in
    -h)
        usage
    ;;
    -v)
        VERBOSE=-v
    ;;
    -f)
        shift
        TRACE_FILE=$1
    ;;
    -o)
        shift
        ANALYSIS_FILE=$1
    ;;
    -t)
        shift
        BT=$1
    ;;
    --)
        shift
        break
    ;;
    esac
    shift
done
if [[ -z $1 ]]; then
    usage
fi

# instrument
${QEMU_X86_64} -d plugin -D ${TRACE_FILE} -plugin ${DEFLATE_ROOT}/instrument.so "$(command -v $1)" "${@:2}"

${DEFLATE} -f ${TRACE_FILE} -t ideal ${VERBOSE} > ${ANALYSIS_FILE}
echo
echo "Analysis summary:"
tail -n1 ${ANALYSIS_FILE}