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Enable CLANG sanitizers for native debug builds
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| #!/usr/bin/env bash | ||
|
|
||
| if [ $# -eq 0 ]; then | ||
| echo "Script for enabling CLang sanitizers for debug builds." | ||
| echo "*Only tested on Ubuntu x64." | ||
| echo "*This script must be 'sourced' (via dot+space) so that changes to environment variables are preserved. Run like this:" | ||
| if [ "$(dirname $0)" = "." ]; then | ||
| echo " . enablesanitizers.sh [options]" | ||
| else | ||
| echo " cd $(dirname $0);. enablesanitizers.sh [options]; cd -" | ||
| fi | ||
| echo "Usage: [asan] [ubsan] [lsan] [all] [off] [clangx.y]" | ||
| echo "asan: optional argument to enable Address Sanitizer." | ||
| echo "ubsan: optional argument to enable Undefined Behavior Sanitizer." | ||
| echo "lsan - optional argument to enable memory Leak Sanitizer." | ||
| echo "all - optional argument to enable asan, ubsan and lsan." | ||
| echo "off - optional argument to turn off all sanitizers." | ||
| echo "clangx.y - optional argument to specify clang version x.y. which is used to resolve stack traces." | ||
| else | ||
| __ClangMajorVersion=3 | ||
| __ClangMinorVersion=5 | ||
| __EnableASan=0 | ||
| __EnableUBSan=0 | ||
| __EnableLSan=0 | ||
| __TurnOff=0 | ||
| __Options= | ||
|
|
||
| for i in "$@" | ||
| do | ||
| lowerI="$(echo $i | awk '{print tolower($0)}')" | ||
| case $lowerI in | ||
| asan) | ||
| __EnableASan=1 | ||
| ;; | ||
| ubsan) | ||
| __EnableUBSan=1 | ||
| ;; | ||
| lsan) | ||
| __EnableASan=1 | ||
| __EnableLSan=1 | ||
| ;; | ||
| all) | ||
| __EnableASan=1 | ||
| __EnableUBSan=1 | ||
| __EnableLSan=1 | ||
| ;; | ||
| off) | ||
| __TurnOff=1 | ||
| ;; | ||
| clang3.5) | ||
| __ClangMajorVersion=3 | ||
| __ClangMinorVersion=5 | ||
| ;; | ||
| clang3.6) | ||
| __ClangMajorVersion=3 | ||
| __ClangMinorVersion=6 | ||
| ;; | ||
| clang3.7) | ||
| __ClangMajorVersion=3 | ||
| __ClangMinorVersion=7 | ||
| ;; | ||
| *) | ||
| echo "Unknown arg: $i" | ||
| return 1 | ||
| esac | ||
| done | ||
|
|
||
| if [ $__TurnOff == 1 ]; then | ||
| unset DEBUG_SANITIZERS | ||
| echo "Setting DEBUG_SANITIZERS=" | ||
| else | ||
| ASAN_OPTIONS="symbolize=1" | ||
|
|
||
| if [ $__EnableASan == 1 ]; then | ||
| __Options="$__Options asan" | ||
| fi | ||
| if [ $__EnableUBSan == 1 ]; then | ||
| __Options="$__Options ubsan" | ||
| fi | ||
| if [ $__EnableLSan == 1 ]; then | ||
| ASAN_OPTIONS="$ASAN_OPTIONS detect_leaks" | ||
| fi | ||
|
|
||
| # passed to build.sh | ||
| DEBUG_SANITIZERS="$__Options" | ||
| export DEBUG_SANITIZERS | ||
| echo "Setting DEBUG_SANITIZERS=$DEBUG_SANITIZERS" | ||
|
|
||
| # used by ASan at run-time | ||
| ASAN_OPTIONS="\"$ASAN_OPTIONS\"" | ||
| export ASAN_OPTIONS | ||
| echo "Setting ASAN_OPTIONS=$ASAN_OPTIONS" | ||
|
|
||
| # used by ASan at run-time | ||
| ASAN_SYMBOLIZER_PATH="/usr/bin/llvm-symbolizer-$__ClangMajorVersion.$__ClangMinorVersion" | ||
| export ASAN_SYMBOLIZER_PATH | ||
| echo "Setting ASAN_SYMBOLIZER_PATH=$ASAN_SYMBOLIZER_PATH" | ||
| fi | ||
|
|
||
| unset __ClangMajorVersion | ||
| unset __ClangMinorVersion | ||
| unset __EnableASan | ||
| unset __EnableUBSan | ||
| unset __EnableLSan | ||
| unset __TurnOff | ||
| unset __Options | ||
| fi |
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