static void
listInstructions(const InstructionProvider::Ptr &insns, const MemoryMap::Ptr &map,
const FunctionByAddress &code1, FunctionByAddress &code2) {
std::ostream &out = std::cout;
static const size_t insnWidth = 110;
rose_addr_t va1 = code1.hull().least();
rose_addr_t va2 = code2.hull().least();
rose_addr_t va = std::min(va1, va2);
rose_addr_t expectedVa = va;
AsmUnparser unparser;
while (va<=code1.hull().greatest() || va<=code2.hull().greatest()) {
// Address and contents
if (va != expectedVa)
out <<"\n"; // visual cue that addresses are not sequential here
std::ostringstream ss;
size_t size;
if (!map->at(va).require(MemoryMap::EXECUTABLE).exists()) {
ss <<StringUtility::addrToString(va) <<": " <<(map->at(va).exists() ? "not executable" : "not mapped");
size = 1;
} else if (SgAsmInstruction *insn = (*insns)[va]) {
unparser.unparse(ss, insn);
size = insn->get_size();
} else {
ss <<StringUtility::addrToString(va) <<": bad instruction";
size = 1;
}
std::vector<std::string> lines = StringUtility::split('\n', ss.str());
while (lines.size()>0 && lines[lines.size()-1]=="")
lines.pop_back();
for (size_t i=0; i<lines.size(); ++i) {
if (i+1 < lines.size()) {
out <<lines[i] <<"\n";
} else {
out <<std::setw(insnWidth) <<std::left <<lines[i];
}
}
// Functions owning
Sawyer::Optional<rose_addr_t> f1 = code1.getOptional(va);
Sawyer::Optional<rose_addr_t> f2 = code2.getOptional(va);
out <<"\t" <<std::setw(10) <<std::left <<(f1 ? StringUtility::addrToString(*f1) : std::string("none"));
out <<"\t" <<std::setw(10) <<std::left <<(f2 ? StringUtility::addrToString(*f2) : std::string("none"));
out <<" " <<(f1.isEqual(f2) ? "" : "<---") <<"\n";
// Advance address pointer
rose_addr_t next = va + size;
expectedVa = next;
FunctionByAddress::ConstIntervalIterator i1 = code1.upperBound(va);
if (i1!=code1.nodes().end() && i1->least() < next)
next = i1->least();
FunctionByAddress::ConstIntervalIterator i2 = code2.upperBound(va);
if (i2!=code2.nodes().end() && i2->least() < next)
next = i2->least();
if (!map->atOrAfter(next).next().assignTo(va))
break;
}
}
int
main(int argc, char *argv[]) {
ROSE_INITIALIZE;
BinaryAnalysis::Partitioner2::Engine engine;
Settings settings;
std::vector<std::string> specimenNames = parseCommandLine(argc, argv, engine, settings /*in,out*/);
BinaryAnalysis::MagicNumber analyzer;
analyzer.maxBytesToCheck(settings.maxBytes);
MemoryMap::Ptr map = engine.loadSpecimens(specimenNames);
map->dump(mlog[INFO]);
size_t step = std::max(size_t(1), settings.step);
AddressInterval limits = settings.limits.isEmpty() ? map->hull() : (settings.limits & map->hull());
Sawyer::Container::IntervalSet<AddressInterval> addresses(*map);
addresses.intersect(limits);
size_t nPositions = addresses.size() / step;
mlog[INFO] <<"approximately " <<StringUtility::plural(nPositions, "positions") <<" to check\n";
{
Sawyer::ProgressBar<size_t> progress(nPositions, mlog[INFO], "positions");
for (rose_addr_t va=limits.least();
va<=limits.greatest() && map->atOrAfter(va).next().assignTo(va);
va+=step, ++progress) {
std::string magicString = analyzer.identify(map, va);
if (magicString!="data") { // runs home to Momma when it gets confused
uint8_t buf[8];
size_t nBytes = map->at(va).limit(sizeof buf).read(buf).size();
std::cout <<StringUtility::addrToString(va) <<" |" <<leadingBytes(buf, nBytes) <<" | " <<magicString <<"\n";
}
if (va==limits.greatest())
break; // prevent overflow at top of address space
}
}
}