[compiler-rt] r243679 - [asan] Support arm64 devices in asan_device_setup.
Evgeniy Stepanov
eugeni.stepanov at gmail.com
Thu Jul 30 13:07:13 PDT 2015
Author: eugenis
Date: Thu Jul 30 15:07:13 2015
New Revision: 243679
URL: http://llvm.org/viewvc/llvm-project?rev=243679&view=rev
Log:
[asan] Support arm64 devices in asan_device_setup.
Modified:
compiler-rt/trunk/lib/asan/scripts/asan_device_setup
Modified: compiler-rt/trunk/lib/asan/scripts/asan_device_setup
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/scripts/asan_device_setup?rev=243679&r1=243678&r2=243679&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/scripts/asan_device_setup (original)
+++ compiler-rt/trunk/lib/asan/scripts/asan_device_setup Thu Jul 30 15:07:13 2015
@@ -88,19 +88,25 @@ function adb_pull {
fi
}
-function get_device_arch { # OUTVAR
+function get_device_arch { # OUT OUT64
local _outvar=$1
+ local _outvar64=$2
local _ABI=$(adb_shell getprop ro.product.cpu.abi)
local _ARCH=
+ local _ARCH64=
if [[ $_ABI == x86* ]]; then
_ARCH=i686
elif [[ $_ABI == armeabi* ]]; then
_ARCH=arm
+ elif [[ $_ABI == arm64-v8a* ]]; then
+ _ARCH=arm
+ _ARCH64=aarch64
else
echo "Unrecognized device ABI: $_ABI"
exit 1
fi
eval $_outvar=\$_ARCH
+ eval $_outvar64=\$_ARCH64
}
while [[ $# > 0 ]]; do
@@ -167,22 +173,33 @@ adb_wait_for_device
adb_remount
adb_wait_for_device
-get_device_arch ARCH
+get_device_arch ARCH ARCH64
echo "Target architecture: $ARCH"
ASAN_RT="libclang_rt.asan-$ARCH-android.so"
+if [[ -n $ARCH64 ]]; then
+ echo "Target architecture: $ARCH64"
+ ASAN_RT64="libclang_rt.asan-$ARCH64-android.so"
+fi
if [[ x$revert == xyes ]]; then
echo '>> Uninstalling ASan'
if ! adb_shell ls -l /system/bin/app_process | grep -o '\->.*app_process' >&/dev/null; then
- echo '>> Pre-L device detected.'
- adb_shell mv /system/bin/app_process.real /system/bin/app_process
- adb_shell rm /system/bin/asanwrapper
+ echo '>> Pre-L device detected.'
+ adb_shell mv /system/bin/app_process.real /system/bin/app_process
+ adb_shell rm /system/bin/asanwrapper
+ elif ! adb_shell ls -l /system/bin/app_process64.real | grep -o 'No such file or directory' >&/dev/null; then
+ # 64-bit installation.
+ adb_shell mv /system/bin/app_process32.real /system/bin/app_process32
+ adb_shell mv /system/bin/app_process64.real /system/bin/app_process64
+ adb_shell rm /system/bin/asanwrapper
+ adb_shell rm /system/bin/asanwrapper64
else
- adb_shell rm /system/bin/app_process.wrap
- adb_shell rm /system/bin/asanwrapper
- adb_shell rm /system/bin/app_process
- adb_shell ln -s /system/bin/app_process32 /system/bin/app_process
+ # 32-bit installation.
+ adb_shell rm /system/bin/app_process.wrap
+ adb_shell rm /system/bin/asanwrapper
+ adb_shell rm /system/bin/app_process
+ adb_shell ln -s /system/bin/app_process32 /system/bin/app_process
fi
echo '>> Restarting shell'
@@ -217,6 +234,13 @@ if [[ -z "$ASAN_RT_PATH" || ! -f "$ASAN_
exit 1
fi
+if [[ -n "$ASAN_RT64" ]]; then
+ if [[ -z "$ASAN_RT_PATH" || ! -f "$ASAN_RT_PATH/$ASAN_RT64" ]]; then
+ echo ">> ASan runtime library not found"
+ exit 1
+ fi
+fi
+
TMPDIRBASE=$(mktemp -d)
TMPDIROLD="$TMPDIRBASE/old"
TMPDIR="$TMPDIRBASE/new"
@@ -241,12 +265,23 @@ if ! adb_shell ls -l /system/bin/app_pro
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
+if [[ -n "$ASAN_RT64" ]]; then
+ adb_pull /system/lib/"$ASAN_RT" "$TMPDIROLD" || true
+ adb_pull /system/lib64/"$ASAN_RT64" "$TMPDIROLD" || true
+ adb_pull /system/bin/app_process32 "$TMPDIROLD" || true
+ adb_pull /system/bin/app_process32.real "$TMPDIROLD" || true
+ adb_pull /system/bin/app_process64 "$TMPDIROLD" || true
+ adb_pull /system/bin/app_process64.real "$TMPDIROLD" || true
+ adb_pull /system/bin/asanwrapper "$TMPDIROLD" || true
+ adb_pull /system/bin/asanwrapper64 "$TMPDIROLD" || true
+else
+ adb_pull /system/lib/"$ASAN_RT" "$TMPDIROLD" || true
+ adb_pull /system/bin/app_process.wrap "$TMPDIROLD" || true
+ adb_pull /system/bin/asanwrapper "$TMPDIROLD" || true
+fi
cp -r "$TMPDIROLD" "$TMPDIR"
-if [[ -f "$TMPDIR/app_process.wrap" ]]; then
+if [[ -f "$TMPDIR/app_process.wrap" || -f "$TMPDIR/app_process64.real" ]]; then
echo ">> Previous installation detected"
else
echo ">> New installation"
@@ -255,10 +290,27 @@ fi
echo '>> Generating wrappers'
cp "$ASAN_RT_PATH/$ASAN_RT" "$TMPDIR/"
+if [[ -n "$ASAN_RT64" ]]; then
+ cp "$ASAN_RT_PATH/$ASAN_RT64" "$TMPDIR/"
+fi
# 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
+ASAN_OPTIONS=start_deactivated=1,alloc_dealloc_mismatch=0,malloc_context_size=0
+
+function generate_zygote_wrapper { # from, to, asan_rt
+ local _from=$1
+ local _to=$2
+ local _asan_rt=$3
+ cat <<EOF >"$TMPDIR/$_from"
+#!/system/bin/sh-from-zygote
+ASAN_OPTIONS=$ASAN_OPTIONS \\
+ASAN_ACTIVATION_OPTIONS=include_if_exists=/data/local/tmp/asan.options.%b \\
+LD_PRELOAD=\$LD_PRELOAD:$_asan_rt \\
+exec $_to \$@
+
+EOF
+}
# On Android-L not allowing user segv handler breaks some applications.
if [[ PRE_L -eq 0 ]]; then
@@ -270,14 +322,19 @@ if [[ x$extra_options != x ]] ; then
fi
# Zygote wrapper.
-cat <<EOF >"$TMPDIR/app_process.wrap"
-#!/system/bin/sh-from-zygote
-ASAN_OPTIONS=$ASAN_OPTIONS \\
-ASAN_ACTIVATION_OPTIONS=include_if_exists=/data/local/tmp/asan.options.%b \\
-LD_PRELOAD=\$LD_PRELOAD:$ASAN_RT \\
-exec /system/bin/app_process32 \$@
-
-EOF
+if [[ -f "$TMPDIR/app_process64" ]]; then
+ # A 64-bit device.
+ if [[ ! -f "$TMPDIR/app_process64.real" ]]; then
+ # New installation.
+ mv "$TMPDIR/app_process32" "$TMPDIR/app_process32.real"
+ mv "$TMPDIR/app_process64" "$TMPDIR/app_process64.real"
+ fi
+ generate_zygote_wrapper "app_process32" "/system/bin/app_process32.real" "$ASAN_RT"
+ generate_zygote_wrapper "app_process64" "/system/bin/app_process64.real" "$ASAN_RT64"
+else
+ # A 32-bit device.
+ generate_zygote_wrapper "app_process.wrap" "/system/bin/app_process32" "$ASAN_RT"
+fi
# General command-line tool wrapper (use for anything that's not started as
# zygote).
@@ -288,25 +345,33 @@ 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/"$ASAN_RT"
- adb_shell chmod 755 \
- /system/bin/app_process.wrap \
- /system/bin/asanwrapper
+if [[ -n "$ASAN_RT64" ]]; then
+ cat <<EOF >"$TMPDIR/asanwrapper64"
+#!/system/bin/sh
+LD_PRELOAD=$ASAN_RT64 \\
+exec \$@
+
+EOF
+fi
+
+function install { # from, to, chmod, chcon
+ local _from=$1
+ local _to=$2
+ local _mode=$3
+ local _context=$4
+ local _basename="$(basename "$_from")"
+ echo "Installing $_to/$_basename $_mode $_context"
+ adb_push "$_from" "$_to/$_basename"
+ adb_shell chown root.shell "$_to/$_basename"
+ if [[ -n "$_mode" ]]; then
+ adb_shell chmod "$_mode" "$_to/$_basename"
+ fi
+ if [[ -n "$_context" ]]; then
+ adb_shell chcon "$_context" "$_to/$_basename"
+ fi
+}
+if ! ( cd "$TMPDIRBASE" && diff -qr old/ new/ ) ; then
# Make SELinux happy by keeping app_process wrapper and the shell
# it runs on in zygote domain.
ENFORCING=0
@@ -317,17 +382,34 @@ if ! ( cd "$TMPDIRBASE" && diff -qr old/
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 $CTX \
- /system/bin/sh-from-zygote \
- /system/bin/app_process.wrap \
- /system/bin/app_process32
+
+ echo '>> Pushing files to the device'
+
+ if [[ -n "$ASAN_RT64" ]]; then
+ install "$TMPDIR/$ASAN_RT" /system/lib 644
+ install "$TMPDIR/$ASAN_RT64" /system/lib64 644
+ install "$TMPDIR/app_process32" /system/bin 755 $CTX
+ install "$TMPDIR/app_process32.real" /system/bin 755 $CTX
+ install "$TMPDIR/app_process64" /system/bin 755 $CTX
+ install "$TMPDIR/app_process64.real" /system/bin 755 $CTX
+ install "$TMPDIR/asanwrapper" /system/bin 755
+ install "$TMPDIR/asanwrapper64" /system/bin 755
+ else
+ install "$TMPDIR/$ASAN_RT" /system/lib 644
+ install "$TMPDIR/app_process.wrap" /system/bin 755 $CTX
+ install "$TMPDIR/asanwrapper" /system/bin 755 $CTX
+
+ adb_shell rm /system/bin/app_process
+ adb_shell ln -s /system/bin/app_process.wrap /system/bin/app_process
+ fi
+
+ adb_shell cp /system/bin/sh /system/bin/sh-from-zygote
+ adb_shell chcon $CTX /system/bin/sh-from-zygote
if [ $ENFORCING == 1 ]; then
adb_shell setenforce 1
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