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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
# Prefer a local install of valgrind if it's available.
VALGRIND="/usr/local/bin/valgrind"
if [ ! -x $VALGRIND ]; then
VALGRIND="valgrind"
fi
SUPPRESSIONS="$(cd `dirname "$0"` && pwd)/$TOOL_NAME/suppressions.txt"
set -x
# Pass GTK glib allocations through to system malloc so valgrind sees them.
# Prevent NSS from recycling memory arenas so valgrind can track origins.
# Ask GTK to abort on any critical or warning assertions.
# Overwrite newly allocated or freed objects with 0x41 to catch inproper use.
# smc-check=all is required for valgrind to see v8's dynamic code generation.
# trace-children to follow into the renderer processes.
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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