v8/tools/linux-tick-processor
Mircea Trofin ae5de6184e [d8] enable os.system only when requested
os.system uses fork(), which is not supported by ASAN/LSAN. Some fuzz tests
consist of js code that randomly picks properties and functions and calls them.
Sometimes, this combination means ASAN will report false positives.

Bug: chromium:740361
Change-Id: Id8d517263251a1fe88abadd33b0225c664b00498
Reviewed-on: https://chromium-review.googlesource.com/580313
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Mircea Trofin <mtrofin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46876}
2017-07-25 14:42:44 +00:00

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#!/bin/sh
# find the name of the log file to process, it must not start with a dash.
log_file="v8.log"
for arg in "$@"
do
if ! expr "X${arg}" : "^X-" > /dev/null; then
log_file=${arg}
fi
done
tools_path=`cd $(dirname "$0");pwd`
if [ ! "$D8_PATH" ]; then
d8_public=`which d8`
if [ -x "$d8_public" ]; then D8_PATH=$(dirname "$d8_public"); fi
fi
[ -n "$D8_PATH" ] || D8_PATH=$tools_path/..
d8_exec=$D8_PATH/d8
if [ ! -x "$d8_exec" ]; then
D8_PATH=`pwd`/out/native
d8_exec=$D8_PATH/d8
fi
if [ ! -x "$d8_exec" ]; then
d8_exec=`grep -m 1 -o '".*/d8"' $log_file | sed 's/"//g'`
fi
if [ ! -x "$d8_exec" ]; then
echo "d8 shell not found in $D8_PATH"
echo "To build, execute 'make native' from the V8 directory"
exit 1
fi
# nm spits out 'no symbols found' messages to stderr.
cat $log_file | $d8_exec --enable-os-system \
$tools_path/splaytree.js $tools_path/codemap.js \
$tools_path/csvparser.js $tools_path/consarray.js \
$tools_path/profile.js $tools_path/profile_view.js \
$tools_path/logreader.js $tools_path/tickprocessor.js \
$tools_path/SourceMap.js \
$tools_path/tickprocessor-driver.js -- $@ 2>/dev/null