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Commit 678ba75b authored by Mathieu Chartier's avatar Mathieu Chartier
Browse files

Add some preloaded classes related files and tools 

Added copyright-header to be used by generation scripts to
automatically add a copyright header to preloaded classes.

Add a default blacklist file to avoid needing to manually
remove classes that can't be preloaded in the zygote.

Added a script go generate a preloaded classes list from a raw class
list. This script adds the copyright headers and comments and removes
blacklisted classes.

Bug: 37966211
Test: manually run the scripts

Change-Id: I166f990c41978c80134d2f1e12c1b1079a12752a
parent 73e3d9f5

config/copyright-header

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#

# Copyright (C) 2017 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.

#

config/generate-preloaded-classes.sh

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#!/bin/bash

#

# Copyright (C) 2017 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.

if [ "$#" -lt 2 ]; then

  echo "Usage $0 <input classes file> <blacklist file> [extra classes files]"

  exit 1

fi

echo "# Preloaded-classes filter file for phones.

#

# Classes in this file will be allocated into the boot image, and forcibly initialized in

# the zygote during initialization. This is a trade-off, using virtual address space to share

# common heap between apps.

#

# This file has been derived for mainline phone (and tablet) usage.

#"

input=$1

blacklist=$2

shift 2

extra_classes_files=("$@")

sort "$input" "${extra_classes_files[@]}" | uniq | grep -f "$blacklist" -v -F -x

config/preloaded-classes-blacklist

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