tools/dex2oat_wrapper

# Copyright (C) 2020 The Android Open Source Project
#
# 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.

# This script is used on host and device. It uses a common subset
# shell dialect that should work on the host (e.g. bash), and
# Android (e.g. mksh).

# The purpose of this script is to invoke dex2oat with the right
# boot classpath and bootclasspath locations.

function find_libdir() {
  # Get the actual file, $1 is the BINARY_PATH and may be a symbolic link.
  # Use realpath instead of readlink because Android does not have a readlink.
  if [[ "$(realpath "$1")" == *dalvikvm64 ]]; then
    echo "lib64"
  else
    echo "lib"
  fi
}

# Follow all sym links to get the program name.
if [[ -n "$BASH_SOURCE" ]]; then
  PROG_NAME="$BASH_SOURCE"
else
  PROG_NAME="$0"
fi
while [ -h "$PROG_NAME" ]; do
  # On Mac OS, readlink -f doesn't work.
  PROG_NAME="$(readlink "$PROG_NAME")"
done

PROG_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
ANDROID_ROOT="$(cd $PROG_DIR/..; pwd -P)"
LIBDIR="$(find_libdir $PROG_DIR)"
LD_LIBRARY_PATH=$ANDROID_ROOT/$LIBDIR

declare -a args=("$@")
arg_idx=0
while true; do
  if [[ $1 == "-Xbootclasspath:*" ]]; then
    DEX2OAT_BCP=$1
    # Remove '-Xbootclasspath:' from the arguments.
    DEX2OAT_BCP=${DEX2OAT_BCP##-Xbootclasspath:}
    unset args[arg_idx]
    shift
  elif [[ $1 == "-Xbootclasspath-locations:*" ]]; then
    DEX2OAT_BCP_LOCS=$1
    # Remove '-Xbootclasspath-locations:' from the argument.
    DEX2OAT_BCP_LOCS=${DEX2OAT_BCP_LOCS##-Xbootclasspath-locations:}
    unset args[arg_idx]
    shift
  elif [[ $1 == "--32" ]]; then
    DEX2OAT_SUFFIX=32
    unset args[arg_idx]
    shift
  elif [[ $1 == "--64" ]]; then
    DEX2OAT_SUFFIX=64
    unset args[arg_idx]
    shift
  elif [[ "$1" == "" ]]; then
    break
  else
    shift
  fi
  arg_idx=$((arg_idx + 1))
done

if [[ "$DEX2OAT_BCP" = "" ]]; then
  core_jars_list="core-oj core-libart okhttp bouncycastle apache-xml"
  core_jars_suffix=
  if [[ -f $ANDROID_ROOT/framework/core-oj-hostdex.jar ]]; then
    # On host, conscrypt and icu4j are at the same location as the core jars.
    core_jars_list="${core_jars_list} conscrypt core-icu4j"
    core_jars_suffix=-hostdex
    core_filenames_dir=$ANDROID_ROOT/framework
    core_locations_dir=$ANDROID_ROOT/framework
    prefix=$PWD/
    if [[ ${core_locations_dir:0:${#prefix}} = $prefix ]]; then
      core_locations_dir="${core_locations_dir##$prefix}"
    fi
  elif [[ -f $ANDROID_ROOT/apex/com.android.art/javalib/core-oj.jar ]]; then
    core_jars_suffix=
    core_filenames_dir=$ANDROID_ROOT/apex/com.android.art/javalib
    core_locations_dir=/apex/com.android.art/javalib
  else
    echo "Can not find jar files for boot classpath"
    exit 1
  fi
  boot_separator=""
  for boot_module in ${core_jars_list}; do
    DEX_FILENAME="$boot_module$core_jars_suffix.jar"
    DEX2OAT_BCP+="$boot_separator$core_filenames_dir/${DEX_FILENAME}"
    DEX2OAT_BCP_LOCS+="$boot_separator$core_locations_dir/${DEX_FILENAME}"
    boot_separator=":"
  done
  if [[ $core_jars_suffix = "" ]]; then
    # For target, add conscrypt and icu4j
    for boot_module in /apex/com.android.conscrypt/javalib/conscrypt.jar /apex/com.android.i18n/javalib/core-icu4j.jar; do
      DEX2OAT_BCP+="$boot_separator$ANDROID_ROOT/$boot_module"
      DEX2OAT_BCP_LOCS+="$boot_separator$boot_module"
    done
  fi
fi

# If the dex2oat binary with the bitness as a suffix doesn't exist,
# try with a dex2oat without suffix.
if [[ ! -f $ANDROID_ROOT/bin/dex2oat${DEX2OAT_SUFFIX} ]]; then
  DEX2OAT_SUFFIX=""
fi

LD_LIBRARY_PATH=$LD_LIBRARY_PATH \
  $ANDROID_ROOT/bin/dex2oat${DEX2OAT_SUFFIX} \
    --android-root=$ANDROID_ROOT \
    --runtime-arg -Xbootclasspath:$DEX2OAT_BCP \
    --runtime-arg -Xbootclasspath-locations:$DEX2OAT_BCP_LOCS \
    ${args[@]}