#!/bin/bash
# -*- mode: sh -*-

function show_help() {
    cat <<EOF
Usage: intel_aubdump [OPTION]... [--] COMMAND ARGUMENTS

Run COMMAND with ARGUMENTS and dump an AUB file that captures buffer
contents and execution of the GEM application.

  -o, --output=FILE  Name of AUB file. Defaults to COMMAND.aub

  -c, --command=CMD  Execute CMD and write the AUB file's content to its
                     standard input

      --device=ID    Override PCI ID of the reported device

  -v                 Enable verbose output

      --help         Display this help message and exit

EOF

    exit 0
}

args=""
command=""
file=""

function add_arg() {
    arg=$1
    args="$args$arg\n"
}

function build_command () {
      command=""
      for i in $1; do
	  if [ -z $command ]; then
	      command=$i
	  else
	      command="$command,$i"
	  fi;
      done
}

while true; do
      case "$1" in
	  -o)
	      file=$2
	      add_arg "file=${file:-$(basename ${file}).aub}"
	      shift 2
	      ;;
	  -v)
	      add_arg "verbose=1"
	      shift 1
	      ;;
	  -o*)
	      file=${1##-o}
	      add_arg "file=${file:-$(basename ${file}).aub}"
	      shift
	      ;;
	  --output=*)
	      file=${1##--output=}
	      add_arg "file=${file:-$(basename ${file}).aub}"
	      shift
	      ;;
	  -c)
	      build_command "$2"
	      add_arg "command=$command"
	      shift 2
	      ;;
	  --command=*)
	      build_command "${1##--command=}"
	      add_arg "command=$command"
	      shift
	      ;;
	  --device=*)
	      add_arg "device=${1##--device=}"
	      shift
	      ;;
	  --help)
	      show_help
	      ;;
	  --)
	      shift
	      break
	      ;;
	  -*)
	      echo "intel_aubdump: invalid option: $1"
	      echo
	      show_help
	      ;;
	  *)
	      break
	      ;;
      esac
done

[ -z $1 ] && show_help

[ -z $file ] && [ -z $command ] && add_arg "file=intel.aub"

prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@

LD_PRELOAD=${libdir}/intel_aubdump.so${LD_PPRELOAD:+:${LD_PRELOAD}} \
	  exec -- "$@" 3<<EOF
`echo -e $args`
EOF
