diff options
Diffstat (limited to 'contrib/compiler-rt/lib/asan/scripts/asan_device_setup')
| -rwxr-xr-x | contrib/compiler-rt/lib/asan/scripts/asan_device_setup | 344 |
1 files changed, 0 insertions, 344 deletions
diff --git a/contrib/compiler-rt/lib/asan/scripts/asan_device_setup b/contrib/compiler-rt/lib/asan/scripts/asan_device_setup deleted file mode 100755 index 104e07b..0000000 --- a/contrib/compiler-rt/lib/asan/scripts/asan_device_setup +++ /dev/null @@ -1,344 +0,0 @@ -#!/bin/bash -#===- lib/asan/scripts/asan_device_setup -----------------------------------===# -# -# The LLVM Compiler Infrastructure -# -# This file is distributed under the University of Illinois Open Source -# License. See LICENSE.TXT for details. -# -# Prepare Android device to run ASan applications. -# -#===------------------------------------------------------------------------===# - -set -e - -HERE="$(cd "$(dirname "$0")" && pwd)" - -revert=no -extra_options= -device= -lib= -use_su=0 - -function usage { - echo "usage: $0 [--revert] [--device device-id] [--lib path] [--extra-options options]" - echo " --revert: Uninstall ASan from the device." - echo " --lib: Path to ASan runtime library." - echo " --extra-options: Extra ASAN_OPTIONS." - echo " --device: Install to the given device. Use 'adb devices' to find" - echo " device-id." - echo " --use-su: Use 'su -c' prefix for every adb command instead of using" - echo " 'adb root' once." - echo - exit 1 -} - -function adb_push { - if [ $use_su -eq 0 ]; then - $ADB push "$1" "$2" - else - local FILENAME=$(basename $1) - $ADB push "$1" "/data/local/tmp/$FILENAME" - $ADB shell su -c "rm \\\"$2/$FILENAME\\\"" >&/dev/null - $ADB shell su -c "cat \\\"/data/local/tmp/$FILENAME\\\" > \\\"$2/$FILENAME\\\"" - $ADB shell su -c "rm \\\"/data/local/tmp/$FILENAME\\\"" - fi -} - -function adb_remount { - if [ $use_su -eq 0 ]; then - $ADB remount - else - local STORAGE=`$ADB shell mount | grep /system | cut -d ' ' -f1` - if [ "$STORAGE" != "" ]; then - echo Remounting $STORAGE at /system - $ADB shell su -c "mount -o remount,rw $STORAGE /system" - else - echo Failed to get storage device name for "/system" mount point - fi - fi -} - -function adb_shell { - if [ $use_su -eq 0 ]; then - $ADB shell $@ - else - $ADB shell su -c "$*" - fi -} - -function adb_root { - if [ $use_su -eq 0 ]; then - $ADB root - fi -} - -function adb_wait_for_device { - $ADB wait-for-device -} - -function adb_pull { - if [ $use_su -eq 0 ]; then - $ADB pull "$1" "$2" - else - local FILENAME=$(basename $1) - $ADB shell rm "/data/local/tmp/$FILENAME" >&/dev/null - $ADB shell su -c "[ -f \\\"$1\\\" ] && cat \\\"$1\\\" > \\\"/data/local/tmp/$FILENAME\\\" && chown root.shell \\\"/data/local/tmp/$FILENAME\\\" && chmod 755 \\\"/data/local/tmp/$FILENAME\\\"" && - $ADB pull "/data/local/tmp/$FILENAME" "$2" >&/dev/null && $ADB shell "rm \"/data/local/tmp/$FILENAME\"" - fi -} - -function get_device_arch { # OUTVAR - local _outvar=$1 - local _ABI=$(adb_shell getprop ro.product.cpu.abi) - local _ARCH= - if [[ $_ABI == x86* ]]; then - _ARCH=i686 - elif [[ $_ABI == armeabi* ]]; then - _ARCH=arm - else - echo "Unrecognized device ABI: $_ABI" - exit 1 - fi - eval $_outvar=\$_ARCH -} - -while [[ $# > 0 ]]; do - case $1 in - --revert) - revert=yes - ;; - --extra-options) - shift - if [[ $# == 0 ]]; then - echo "--extra-options requires an argument." - exit 1 - fi - extra_options="$1" - ;; - --lib) - shift - if [[ $# == 0 ]]; then - echo "--lib requires an argument." - exit 1 - fi - lib="$1" - ;; - --device) - shift - if [[ $# == 0 ]]; then - echo "--device requires an argument." - exit 1 - fi - device="$1" - ;; - --use-su) - use_su=1 - ;; - *) - usage - ;; - esac - shift -done - -ADB=${ADB:-adb} -if [[ x$device != x ]]; then - ADB="$ADB -s $device" -fi - -if [ $use_su -eq 1 ]; then - # Test if 'su' is present on the device - SU_TEST_OUT=`$ADB shell su -c "echo foo" 2>&1 | sed 's/\r$//'` - if [ $? != 0 -o "$SU_TEST_OUT" != "foo" ]; then - echo "ERROR: Cannot use 'su -c':" - echo "$ adb shell su -c \"echo foo\"" - echo $SU_TEST_OUT - echo "Check that 'su' binary is correctly installed on the device or omit" - echo " --use-su flag" - exit 1 - fi -fi - -echo '>> Remounting /system rw' -adb_wait_for_device -adb_root -adb_wait_for_device -adb_remount -adb_wait_for_device - -get_device_arch ARCH -echo "Target architecture: $ARCH" -ASAN_RT="libclang_rt.asan-$ARCH-android.so" - -if [[ x$revert == xyes ]]; then - echo '>> Uninstalling ASan' - - if ! adb_shell ls -l /system/bin/app_process | grep -o '\->.*app_process' >&/dev/null; then - echo '>> Pre-L device detected.' - adb_shell mv /system/bin/app_process.real /system/bin/app_process - adb_shell rm /system/bin/asanwrapper - else - adb_shell rm /system/bin/app_process.wrap - adb_shell rm /system/bin/asanwrapper - adb_shell rm /system/bin/app_process - adb_shell ln -s /system/bin/app_process32 /system/bin/app_process - fi - - echo '>> Restarting shell' - adb_shell stop - adb_shell start - - # Remove the library on the last step to give a chance to the 'su' binary to - # be executed without problem. - adb_shell rm /system/lib/$ASAN_RT - - echo '>> Done' - exit 0 -fi - -if [[ -d "$lib" ]]; then - ASAN_RT_PATH="$lib" -elif [[ -f "$lib" && "$lib" == *"$ASAN_RT" ]]; then - ASAN_RT_PATH=$(dirname "$lib") -elif [[ -f "$HERE/$ASAN_RT" ]]; then - ASAN_RT_PATH="$HERE" -elif [[ $(basename "$HERE") == "bin" ]]; then - # We could be in the toolchain's base directory. - # Consider ../lib, ../lib/asan, ../lib/linux and ../lib/clang/$VERSION/lib/linux. - P=$(ls "$HERE"/../lib/"$ASAN_RT" "$HERE"/../lib/asan/"$ASAN_RT" "$HERE"/../lib/linux/"$ASAN_RT" "$HERE"/../lib/clang/*/lib/linux/"$ASAN_RT" 2>/dev/null | sort | tail -1) - if [[ -n "$P" ]]; then - ASAN_RT_PATH="$(dirname "$P")" - fi -fi - -if [[ -z "$ASAN_RT_PATH" || ! -f "$ASAN_RT_PATH/$ASAN_RT" ]]; then - echo ">> ASan runtime library not found" - exit 1 -fi - -TMPDIRBASE=$(mktemp -d) -TMPDIROLD="$TMPDIRBASE/old" -TMPDIR="$TMPDIRBASE/new" -mkdir "$TMPDIROLD" - -RELEASE=$(adb_shell getprop ro.build.version.release) -PRE_L=0 -if echo "$RELEASE" | grep '^4\.' >&/dev/null; then - PRE_L=1 -fi - -if ! adb_shell ls -l /system/bin/app_process | grep -o '\->.*app_process' >&/dev/null; then - - if adb_pull /system/bin/app_process.real /dev/null >&/dev/null; then - echo '>> Old-style ASan installation detected. Reverting.' - adb_shell mv /system/bin/app_process.real /system/bin/app_process - fi - - echo '>> Pre-L device detected. Setting up app_process symlink.' - adb_shell mv /system/bin/app_process /system/bin/app_process32 - adb_shell ln -s /system/bin/app_process32 /system/bin/app_process -fi - -echo '>> Copying files from the device' -adb_pull /system/bin/app_process.wrap "$TMPDIROLD" || true -adb_pull /system/bin/asanwrapper "$TMPDIROLD" || true -adb_pull /system/lib/"$ASAN_RT" "$TMPDIROLD" || true -cp -r "$TMPDIROLD" "$TMPDIR" - -if [[ -f "$TMPDIR/app_process.wrap" ]]; then - echo ">> Previous installation detected" -else - echo ">> New installation" -fi - -echo '>> Generating wrappers' - -cp "$ASAN_RT_PATH/$ASAN_RT" "$TMPDIR/" - -# FIXME: alloc_dealloc_mismatch=0 prevents a failure in libdvm startup, -# which may or may not be a real bug (probably not). -ASAN_OPTIONS=start_deactivated=1,alloc_dealloc_mismatch=0 - -# On Android-L not allowing user segv handler breaks some applications. -if [[ PRE_L -eq 0 ]]; then - ASAN_OPTIONS="$ASAN_OPTIONS,allow_user_segv_handler=1" -fi - -if [[ x$extra_options != x ]] ; then - ASAN_OPTIONS="$ASAN_OPTIONS,$extra_options" -fi - -# Zygote wrapper. -cat <<EOF >"$TMPDIR/app_process.wrap" -#!/system/bin/sh-from-zygote -ASAN_OPTIONS=$ASAN_OPTIONS \\ -LD_PRELOAD=\$LD_PRELOAD:$ASAN_RT \\ -exec /system/bin/app_process32 \$@ - -EOF - -# General command-line tool wrapper (use for anything that's not started as -# zygote). -cat <<EOF >"$TMPDIR/asanwrapper" -#!/system/bin/sh -LD_PRELOAD=$ASAN_RT \\ -exec \$@ - -EOF - -if ! ( cd "$TMPDIRBASE" && diff -qr old/ new/ ) ; then - echo '>> Pushing files to the device' - adb_push "$TMPDIR/$ASAN_RT" /system/lib/ - adb_push "$TMPDIR/app_process.wrap" /system/bin - adb_push "$TMPDIR/asanwrapper" /system/bin - - adb_shell rm /system/bin/app_process - adb_shell ln -s /system/bin/app_process.wrap /system/bin/app_process - - adb_shell chown root.shell \ - /system/lib/"$ASAN_RT" \ - /system/bin/app_process.wrap \ - /system/bin/asanwrapper - adb_shell chmod 644 \ - /system/lib/"$ASAN_RT" - adb_shell chmod 755 \ - /system/bin/app_process.wrap \ - /system/bin/asanwrapper - - # Make SELinux happy by keeping app_process wrapper and the shell - # it runs on in zygote domain. - ENFORCING=0 - if adb_shell getenforce | grep Enforcing >/dev/null; then - # Sometimes shell is not allowed to change file contexts. - # Temporarily switch to permissive. - ENFORCING=1 - adb_shell setenforce 0 - fi - - adb_shell cp /system/bin/sh /system/bin/sh-from-zygote - - if [[ PRE_L -eq 1 ]]; then - CTX=u:object_r:system_file:s0 - else - CTX=u:object_r:zygote_exec:s0 - fi - adb_shell chcon $CTX \ - /system/bin/sh-from-zygote \ - /system/bin/app_process.wrap \ - /system/bin/app_process32 - - if [ $ENFORCING == 1 ]; then - adb_shell setenforce 1 - fi - - echo '>> Restarting shell (asynchronous)' - adb_shell stop - adb_shell start - - echo '>> Please wait until the device restarts' -else - echo '>> Device is up to date' -fi - -rm -r "$TMPDIRBASE" |
