1# Copyright (C) 2020 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15# This script is used on host and device. It uses a common subset
16# shell dialect that should work on the host (e.g. bash), and
17# Android (e.g. mksh).
18
19# The purpose of this script is to invoke dex2oat with the right
20# boot classpath and bootclasspath locations.
21
22# Follow all sym links to get the program name.
23if [[ -n "$BASH_SOURCE" ]]; then
24  PROG_NAME="$BASH_SOURCE"
25else
26  PROG_NAME="$0"
27fi
28while [ -h "$PROG_NAME" ]; do
29  # On Mac OS, readlink -f doesn't work.
30  PROG_NAME="$(readlink "$PROG_NAME")"
31done
32
33PROG_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
34ANDROID_ROOT="$(cd $PROG_DIR/..; pwd -P)"
35
36declare -a args=("$@")
37arg_idx=0
38while true; do
39  if [[ $1 == "-Xbootclasspath:*" ]]; then
40    DEX2OAT_BCP=$1
41    # Remove '-Xbootclasspath:' from the arguments.
42    DEX2OAT_BCP=${DEX2OAT_BCP##-Xbootclasspath:}
43    unset args[arg_idx]
44    shift
45  elif [[ $1 == "-Xbootclasspath-locations:*" ]]; then
46    DEX2OAT_BCP_LOCS=$1
47    # Remove '-Xbootclasspath-locations:' from the argument.
48    DEX2OAT_BCP_LOCS=${DEX2OAT_BCP_LOCS##-Xbootclasspath-locations:}
49    unset args[arg_idx]
50    shift
51  elif [[ $1 == "--32" ]]; then
52    BITNESS=32
53    LD_LIBRARY_PATH=$ANDROID_ROOT/lib:$LD_LIBRARY_PATH
54    unset args[arg_idx]
55    shift
56  elif [[ $1 == "--64" ]]; then
57    BITNESS=64
58    LD_LIBRARY_PATH=$ANDROID_ROOT/lib64:$LD_LIBRARY_PATH
59    unset args[arg_idx]
60    shift
61  elif [[ "$1" == "" ]]; then
62    break
63  else
64    shift
65  fi
66  arg_idx=$((arg_idx + 1))
67done
68
69if [ -z "$BITNESS" ]; then
70  echo "Either --32 or --64 is required as argument to specify bitness"
71  exit 1
72fi
73
74# Create boot class path filename or location list.
75# It takes one optional argument which is the prefix to be inserted before each entry.
76function get_boot_class_path() {
77  # Note: This must start with the CORE_IMG_JARS in Android.common_path.mk
78  local modules="core-oj core-libart okhttp bouncycastle apache-xml core-icu4j conscrypt"
79  local prefix="$1"
80  local result=""
81  local separator=""
82  for module in ${modules}; do
83    case "$module" in
84      (conscrypt)  local apex="com.android.conscrypt";;
85      (core-icu4j) local apex="com.android.i18n";;
86      (*)          local apex="com.android.art";;
87    esac
88    result+="${separator}${prefix}/apex/${apex}/javalib/${module}.jar"
89    separator=":"
90  done
91  echo "$result"
92}
93
94# Create default boot class path if none was provided.
95if [[ "$DEX2OAT_BCP" = "" ]]; then
96  ANDROID_ROOT_MINUS_PWD="${ANDROID_ROOT#$PWD/}"  # For example: out/host/linux-x86
97  if [[ "$ANDROID_ROOT_MINUS_PWD" == */host/* ]]; then
98    DEX2OAT_BCP="$(get_boot_class_path $ANDROID_ROOT)"
99    DEX2OAT_BCP_LOCS="$(get_boot_class_path $ANDROID_ROOT_MINUS_PWD)"
100  elif [[ "$ANDROID_ROOT_MINUS_PWD" == */target/* ]]; then
101    DEX2OAT_BCP="$(get_boot_class_path $ANDROID_ROOT)"
102    DEX2OAT_BCP_LOCS="$(get_boot_class_path)"
103  else
104    echo "Can not determine whether are running on host or target"
105    exit 1
106  fi
107fi
108
109# If the dex2oat binary with the bitness as a suffix doesn't exist,
110# try with a dex2oat without suffix.
111DEX2OAT_SUFFIX=$BITNESS
112if [[ ! -f $ANDROID_ROOT/bin/dex2oat${DEX2OAT_SUFFIX} ]]; then
113  DEX2OAT_SUFFIX=""
114fi
115
116LD_LIBRARY_PATH=$LD_LIBRARY_PATH \
117  $ANDROID_ROOT/bin/dex2oat${DEX2OAT_SUFFIX} \
118    --android-root=$ANDROID_ROOT \
119    --runtime-arg -Xbootclasspath:$DEX2OAT_BCP \
120    --runtime-arg -Xbootclasspath-locations:$DEX2OAT_BCP_LOCS \
121    ${args[@]}
122