tools/android/asan/asan_device_setup.sh - Issue 870603002: Update asan_device_setup.sh from LLVM r226816.

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Issue 870603002: Update asan_device_setup.sh from LLVM r226816. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: tbr, notry Created 5 years, 11 months ago

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1 #!/bin/bash -e

2 #===- lib/asan/scripts/asan_device_setup.py -----------------------------------= ==#

3 #

4 # The LLVM Compiler Infrastructure

5 #

6 # This file is distributed under the University of Illinois Open Source

7 # License. See LICENSE.TXT for details.

8 #

9 # Prepare Android device to run ASan applications.

10 #

11 #===------------------------------------------------------------------------===#

12

13

14 HERE="$(cd "$(dirname "$0")" && pwd)"

15

16 revert=no

17 extra_options=

18 device=

19 lib=

20

21 function usage {

22 echo "usage: $0 [--revert] [--device device-id] [--lib path] [--extra_option s options]"

23 echo " --revert: Uninstall ASan from the device."

24 echo " --lib: Path to ASan runtime library."

25 echo " --extra_options: Extra ASAN_OPTIONS."

26 echo " --device: Install to the given device. Use 'adb devices' to find"

27 echo " device-id."

28 echo

29 exit 1

30 }

31

32 while [[ $# > 0 ]]; do

33 case $1 in

34 --revert)

35 revert=yes

36 ;;

37 --extra-options)

38 shift

39 if [[ $# == 0 ]]; then

40 echo "--extra-options requires an argument."

41 exit 1

42 fi

43 extra_options="$1"

44 ;;

45 --lib)

46 shift

47 if [[ $# == 0 ]]; then

48 echo "--lib requires an argument."

49 exit 1

50 fi

51 lib="$1"

52 ;;

53 --device)

54 shift

55 if [[ $# == 0 ]]; then

56 echo "--device requires an argument."

57 exit 1

58 fi

59 device="$1"

60 ;;

61 *)

62 usage

63 ;;

64 esac

65 shift

66 done

67

68 ADB=${ADB:-adb}

69 if [[ x$device != x ]]; then

70 ADB="$ADB -s $device"

71 fi

72

73 ASAN_RT="libclang_rt.asan-arm-android.so"

74

75 if [[ x$revert == xyes ]]; then

76 echo '>> Uninstalling ASan'

77 $ADB root

78 $ADB wait-for-device

79 $ADB remount

80 $ADB shell mv /system/bin/app_process.real /system/bin/app_process

81 $ADB shell rm /system/bin/asanwrapper

82 $ADB shell rm /system/lib/$ASAN_RT

83

84 echo '>> Restarting shell'

85 $ADB shell stop

86 $ADB shell start

87

88 echo '>> Done'

89 exit 0

90 fi

91

92 if [[ -d "$lib" ]]; then

93 ASAN_RT_PATH="$lib"

94 elif [[ -f "$lib" && "$lib" == *"$ASAN_RT" ]]; then

95 ASAN_RT_PATH=$(dirname "$lib")

96 elif [[ -f "$HERE/$ASAN_RT" ]]; then

97 ASAN_RT_PATH="$HERE"

98 elif [[ $(basename "$HERE") == "bin" ]]; then

99 # We could be in the toolchain's base directory.

100 # Consider ../lib and ../lib/clang/$VERSION/lib/linux.

101 P=$(ls "$HERE"/../lib/"$ASAN_RT" "$HERE"/../lib/clang/*/lib/linux/"$ASAN_RT" 2>/dev/null \| sort \| tail -1)

102 if [[ -n "$P" ]]; then

103 ASAN_RT_PATH="$(dirname "$P")"

104 fi

105 fi

106

107 if [[ -z "$ASAN_RT_PATH" \|\| ! -f "$ASAN_RT_PATH/$ASAN_RT" ]]; then

108 echo "ASan runtime library not found"

109 exit 1

110 fi

111

112 TMPDIRBASE=$(mktemp -d)

113 TMPDIROLD="$TMPDIRBASE/old"

114 TMPDIR="$TMPDIRBASE/new"

115 mkdir "$TMPDIROLD"

116

117 echo '>> Remounting /system rw'

118 $ADB root

119 $ADB wait-for-device

120 $ADB remount

121

122 echo '>> Copying files from the device'

123 $ADB pull /system/bin/app_process "$TMPDIROLD"

124 $ADB pull /system/bin/app_process.real "$TMPDIROLD" \|\| true

125 $ADB pull /system/bin/asanwrapper "$TMPDIROLD" \|\| true

126 $ADB pull /system/lib/libclang_rt.asan-arm-android.so "$TMPDIROLD" \|\| true

127 cp -r "$TMPDIROLD" "$TMPDIR"

128

129 if ! [[ -f "$TMPDIR/app_process" ]]; then

130 echo "app_process missing???"

131 exit 1

132 fi

133

134 if [[ -f "$TMPDIR/app_process.real" ]]; then

135 echo "app_process.real exists, updating the wrapper"

136 else

137 echo "app_process.real missing, new installation"

138 mv "$TMPDIR/app_process" "$TMPDIR/app_process.real"

139 fi

140

141 echo '>> Generating wrappers'

142

143 cp "$ASAN_RT_PATH/$ASAN_RT" "$TMPDIR/"

144

145 # FIXME: alloc_dealloc_mismatch=0 prevents a failure in libdvm startup,

146 # which may or may not be a real bug (probably not).

147 ASAN_OPTIONS=start_deactivated=1,alloc_dealloc_mismatch=0

148 if [[ x$extra_options != x ]] ; then

149 ASAN_OPTIONS="$ASAN_OPTIONS,$extra_options"

150 fi

151

152 # Zygote wrapper.

153 cat <<EOF >"$TMPDIR/app_process"

154 #!/system/bin/sh

155 ASAN_OPTIONS=$ASAN_OPTIONS \\

156 LD_PRELOAD=libclang_rt.asan-arm-android.so \\

157 exec /system/bin/app_process.real \$@

158

159 EOF

160

161 # General command-line tool wrapper (use for anything that's not started as

162 # zygote).

163 cat <<EOF >"$TMPDIR/asanwrapper"

164 #!/system/bin/sh

165 LD_PRELOAD=libclang_rt.asan-arm-android.so \\

166 exec \$@

167

168 EOF

169

170 if ! ( cd "$TMPDIRBASE" && diff -qr old/ new/ ) ; then

171 echo '>> Pushing files to the device'

172 $ADB push "$TMPDIR/$ASAN_RT" /system/lib/

173 $ADB push "$TMPDIR/app_process" /system/bin/app_process

174 $ADB push "$TMPDIR/app_process.real" /system/bin/app_process.real

175 $ADB push "$TMPDIR/asanwrapper" /system/bin/asanwrapper

176 $ADB shell chown root.shell \

177 /system/bin/app_process \

178 /system/bin/app_process.real \

179 /system/bin/asanwrapper

180 $ADB shell chmod 755 \

181 /system/bin/app_process \

182 /system/bin/app_process.real \

183 /system/bin/asanwrapper

184

185 echo '>> Restarting shell (asynchronous)'

186 $ADB shell stop

187 $ADB shell start

188

189 echo '>> Please wait until the device restarts'

190 else

191 echo '>> Device is up to date'

192 fi

193

194 rm -r "$TMPDIRBASE"

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