#!/bin/bash
# Copyright 2014 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# addr2line stub for testing of addr2liner.
# Will recognize (and ignore) the -aiCfej options.
#
# Accepts addresses 1000 to 9000 and output multiple frames of the form:
#   0x9000/fun9000/file9000:9000
#   0x8000/fun8000/file8000:8000
#   0x7000/fun7000/file7000:7000
#   ...
#   0x1000/fun1000/file1000:1000
#
# Returns ??/??/??:0 for all other inputs.

while getopts aiCfe:j: opt; do
  case "$opt" in
    a|i|C|f|e|j) ;;
    *)
      echo "unrecognized option: $1" >&2
      exit 1
  esac
done

while read input
do
  address="$input"
  
  # remove 0x from input.
  case "${address}" in
    0x*)
      address=$(printf '%x' "$address")
      ;;
    *)
      address=$(printf '%x' "0x$address")
  esac

  printf '0x%x\n' "0x$address"
  loop=1
  while [ $loop -eq 1 ]
  do
    # prepare default output.
    output2="fun${address}"
    output3="file${address}:${address}"

    # specialize output for selected cases.
	  case "${address}" in
      1000)
        output2="_Z3fooid.clone2"
        loop=0
        ;;
      2000)
        output2="_ZNSaIiEC1Ev.clone18"
        address=1000
        ;;
      3000)
        output2="_ZNSt6vectorIS_IS_IiSaIiEESaIS1_EESaIS3_EEixEm"
        address=2000
        ;;
      [4-9]000)
        address=$(expr ${address} - 1000)
        ;;
      *)
        output2='??'
        output3='??:0'
        loop=0
    esac

    echo "$output2"
    echo "$output3"
  done
done
exit 0