1#!/bin/bash 2# This scripts builds a self-contained executable file for Valgrind. 3# Usage: 4# ./mk-self-contained-valgrind.sh /path/to/valgrind/installation tool_name resulting_binary [tool_flag] 5 6# Take the valgrind installation from here: 7IN_DIR="$1" 8# Tool name: 9TOOL="$2" 10# Put the result here: 11OUT="$3" 12# If not empty, use as the --tool= value: 13if [ "$4" == "" ] 14then 15 TOOLFLAG=$TOOL 16else 17 TOOLFLAG="$4" 18fi 19 20# The files/dirs to take: 21IN_FILES="bin/valgrind lib/valgrind/vgpreload_core* lib/valgrind/*$TOOL* lib/valgrind/default.supp" 22EXCLUDE_FILES="lib/valgrind/*$TOOL-debug*" 23 24rm -f $OUT && touch $OUT && chmod +x $OUT || exit 1 25 26# Create the header. 27cat << 'EOF' >> $OUT || exit 1 28#!/bin/bash 29# This is a self-extracting executable of Valgrind. 30# This file is autogenerated by mk-self-contained-valgrind.sh. 31 32# We extract the temporary files to $VALGRIND_EXTRACT_DIR/valgrind.XXXXXX 33VALGRIND_EXTRACT_DIR=${VALGRIND_EXTRACT_DIR:-/tmp} 34EXTRACT_DIR="$(mktemp -d $VALGRIND_EXTRACT_DIR/valgrind.XXXXXX)" 35 36cleanup() { 37 rm -rf $EXTRACT_DIR 38} 39# We will cleanup on exit. 40trap cleanup EXIT 41 42mkdir -p $EXTRACT_DIR 43chmod +rwx $EXTRACT_DIR 44EOF 45# end of header 46 47# Create the self-extractor 48 49# Create the runner 50cat << 'EOF' >> $OUT || exit 1 51# Extract: 52sed '1,/^__COMPRESSED_DATA_BELOW__$/d' $0 | tar xz -C $EXTRACT_DIR 53 54# Run 55# echo Extracting Valgrind to $EXTRACT_DIR 56export VALGRIND_LIB="$EXTRACT_DIR/lib/valgrind" 57export VALGRIND_LIB_INNER="$EXTRACT_DIR/lib/valgrind" 58EOF 59 60echo "\$EXTRACT_DIR/bin/valgrind --tool=$TOOLFLAG \"\$@\"" >> $OUT || exit 1 61 62cat << 'EOF' >> $OUT || exit 1 63EXIT_STATUS=$? 64cleanup # the trap above will handle the cleanup only if we are in bash 3.x 65exit $EXIT_STATUS # make sure to return the exit code from valgrind. 66 67__COMPRESSED_DATA_BELOW__ 68EOF 69 70# Dump the compressed binary at the very end of the file. 71(cd $IN_DIR && tar zcvh --exclude=$EXCLUDE_FILES $IN_FILES) >> $OUT || exit 1 72 73echo "File $OUT successfully created" 74