1#!/bin/bash 2 3# Copyright (c) 2012 The Chromium Authors. All rights reserved. 4# Use of this source code is governed by a BSD-style license that can be 5# found in the LICENSE file. 6 7# This is a small script for manually launching valgrind, along with passing 8# it the suppression file, and some helpful arguments (automatically attaching 9# the debugger on failures, etc). Run it from your repo root, something like: 10# $ sh ./tools/valgrind/valgrind.sh ./out/Debug/chrome 11# 12# This is mostly intended for running the chrome browser interactively. 13# To run unit tests, you probably want to run chrome_tests.sh instead. 14# That's the script used by the valgrind buildbot. 15 16export THISDIR=`dirname $0` 17 18setup_memcheck() { 19 RUN_COMMAND="valgrind" 20 21 # Prompt to attach gdb when there was an error detected. 22 DEFAULT_TOOL_FLAGS=("--db-command=gdb -nw %f %p" "--db-attach=yes" \ 23 # Keep the registers in gdb in sync with the code. 24 "--vex-iropt-register-updates=allregs-at-mem-access" \ 25 # Overwrite newly allocated or freed objects 26 # with 0x41 to catch inproper use. 27 "--malloc-fill=41" "--free-fill=41" \ 28 # Increase the size of stacks being tracked. 29 "--num-callers=30") 30} 31 32setup_tsan() { 33 RUN_COMMAND="valgrind-tsan.sh" 34 IGNORE_FILE="$THISDIR/tsan/ignores.txt" 35 DEFAULT_TOOL_FLAGS=("--announce-threads" "--pure-happens-before=yes" \ 36 "--ignore=$IGNORE_FILE") 37} 38 39setup_unknown() { 40 echo "Unknown tool \"$TOOL_NAME\" specified, the result is not guaranteed" 41 DEFAULT_TOOL_FLAGS=() 42} 43 44set -e 45 46if [ $# -eq 0 ]; then 47 echo "usage: <command to run> <arguments ...>" 48 exit 1 49fi 50 51TOOL_NAME="memcheck" 52declare -a DEFAULT_TOOL_FLAGS[0] 53 54# Select a tool different from memcheck with --tool=TOOL as a first argument 55TMP_STR=`echo $1 | sed 's/^\-\-tool=//'` 56if [ "$TMP_STR" != "$1" ]; then 57 TOOL_NAME="$TMP_STR" 58 shift 59fi 60 61if echo "$@" | grep "\-\-tool" ; then 62 echo "--tool=TOOL must be the first argument" >&2 63 exit 1 64fi 65 66case $TOOL_NAME in 67 memcheck*) setup_memcheck "$1";; 68 tsan*) setup_tsan;; 69 *) setup_unknown;; 70esac 71 72 73SUPPRESSIONS="$THISDIR/$TOOL_NAME/suppressions.txt" 74 75CHROME_VALGRIND=`sh $THISDIR/locate_valgrind.sh` 76if [ "$CHROME_VALGRIND" = "" ] 77then 78 # locate_valgrind.sh failed 79 exit 1 80fi 81echo "Using valgrind binaries from ${CHROME_VALGRIND}" 82 83set -x 84PATH="${CHROME_VALGRIND}/bin:$PATH" 85# We need to set these variables to override default lib paths hard-coded into 86# Valgrind binary. 87export VALGRIND_LIB="$CHROME_VALGRIND/lib/valgrind" 88export VALGRIND_LIB_INNER="$CHROME_VALGRIND/lib/valgrind" 89 90# G_SLICE=always-malloc: make glib use system malloc 91# NSS_DISABLE_UNLOAD=1: make nss skip dlclosing dynamically loaded modules, 92# which would result in "obj:*" in backtraces. 93# NSS_DISABLE_ARENA_FREE_LIST=1: make nss use system malloc 94# G_DEBUG=fatal_warnings: make GTK abort on any critical or warning assertions. 95# If it crashes on you in the Options menu, you hit bug 19751, 96# comment out the G_DEBUG=fatal_warnings line. 97# 98# GTEST_DEATH_TEST_USE_FORK=1: make gtest death tests valgrind-friendly 99# 100# When everyone has the latest valgrind, we might want to add 101# --show-possibly-lost=no 102# to ignore possible but not definite leaks. 103 104G_SLICE=always-malloc \ 105NSS_DISABLE_UNLOAD=1 \ 106NSS_DISABLE_ARENA_FREE_LIST=1 \ 107G_DEBUG=fatal_warnings \ 108GTEST_DEATH_TEST_USE_FORK=1 \ 109$RUN_COMMAND \ 110 --trace-children=yes \ 111 --leak-check=yes \ 112 --suppressions="$SUPPRESSIONS" \ 113 "${DEFAULT_TOOL_FLAGS[@]}" \ 114 "$@" 115