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#!/bin/sh
# Copyright (c) 2009 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This is a small script for manually launching valgrind, along with passing
# it the suppression file, and some helpful arguments (automatically attaching
# the debugger on failures, etc). Run it from your repo root, something like:
# $ sh ./tools/valgrind/valgrind.sh ./sconsbuild/Debug/chrome
#
# This is mostly intended for running the chrome browser interactively.
# To run unit tests, you probably want to run chrome_tests.sh instead.
# That's the script used by the valgrind buildbot.
setup_memcheck() {
# Prefer a 32-bit gdb if it's available.
GDB="/usr/bin/gdb32";
if [ ! -x $GDB ]; then
GDB="gdb"
fi
# Prompt to attach gdb when there was an error detected.
DEFAULT_TOOL_FLAGS=("--db-command=$GDB -nw %f %p" "--db-attach=yes" \
# Overwrite newly allocated or freed objects
# with 0x41 to catch inproper use.
"--malloc-fill=41" "--free-fill=41")
}
setup_tsan() {
IGNORE_FILE="$(cd `dirname "$0"` && pwd)/tsan/ignores.txt"
DEFAULT_TOOL_FLAGS=("--announce-threads" "--pure-happens-before=yes" \
"--ignore=$IGNORE_FILE")
}
setup_unknown() {
echo "Unknown tool \"$TOOL_NAME\" specified, the result is not guaranteed"
DEFAULT_TOOL_FLAGS=()
}
set -e
if [ $# -eq 0 ]; then
echo "usage: <command to run> <arguments ...>"
exit 1
fi
TOOL_NAME="memcheck"
declare -a DEFAULT_TOOL_FLAGS[0]
# Select a tool different from memcheck with --tool=TOOL as a first argument
TMP_STR=`echo $1 | sed 's/^\-\-tool=//'`
if [ "$TMP_STR" != "$1" ]; then
TOOL_NAME="$TMP_STR"
shift
fi
if echo "$@" | grep "\-\-tool" ; then
echo "--tool=TOOL must be the first argument" >&2
exit 1
fi
case $TOOL_NAME in
memcheck*) setup_memcheck;;
tsan*) setup_tsan;;
*) setup_unknown;;
esac
SUPPRESSIONS="$(cd `dirname "$0"` && pwd)/$TOOL_NAME/suppressions.txt"
if test x"$CHROME_VALGRIND_BIN" = x
then
# Figure out which valgrind is installed. Use most recent one.
# See build-valgrind-for-chromium.sh and its history for these constants.
for SVNREV in '10771' '{2009-07-15}'
do
SHORTSVNREV=`echo $SVNREV | tr -d '{\-}'`
CHROME_VALGRIND_BIN=/usr/local/valgrind-$SHORTSVNREV/bin
test -x $CHROME_VALGRIND_BIN/valgrind && break
done
fi
if ! test -x $CHROME_VALGRIND_BIN/valgrind
then
echo "Could not find chromium's version of valgrind."
echo "Please run build-valgrind-for-chromium.sh or set CHROME_VALGRIND_BIN."
echo "Defaulting to system valgrind."
else
echo "Using ${CHROME_VALGRIND_BIN}/valgrind."
PATH="${CHROME_VALGRIND_BIN}:$PATH"
fi
set -x
# G_SLICE=always-malloc: make glib use system malloc
# NSS_DISABLE_ARENA_FREE_LIST=1: make nss use system malloc
# G_DEBUG=fatal_warnings: make GTK abort on any critical or warning assertions.
# If it crashes on you in the Options menu, you hit bug 19751,
# comment out the G_DEBUG=fatal_warnings line.
#
# --smc-check=all: handle v8's dynamic code generation.
# (though we can probably remove that now that v8 is annotated).
# --trace-children to follow into the renderer processes.
#
# When everyone has the latest valgrind, we might want to add
# --show-possible=no
# to ignore possible but not definite leaks.
G_SLICE=always-malloc \
NSS_DISABLE_ARENA_FREE_LIST=1 \
G_DEBUG=fatal_warnings \
valgrind \
--tool=$TOOL_NAME \
--trace-children=yes \
--suppressions="$SUPPRESSIONS" \
--smc-check=all \
"${DEFAULT_TOOL_FLAGS[@]}" \
"$@"
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