// some evil programs use sections as linker generated arrays
// read a description of this behavior in and apply it
// format: numglobals section globals...
// terminates when numglobals == 0
void handleMagicSections(DSGraph* GlobalsGraph, Module& M) {
std::ifstream msf(hasMagicSections.c_str(), std::ifstream::in);
if (msf.good()) {
//no checking happens here
unsigned count = 0;
msf >> count;
while (count) {
std::string section;
msf >> section;
svset<Value*> inSection;
for (Module::iterator MI = M.begin(), ME = M.end();
MI != ME; ++MI)
if (MI->hasSection() && MI->getSection() == section)
inSection.insert(MI);
for (Module::global_iterator MI = M.global_begin(), ME = M.global_end();
MI != ME; ++MI)
if (MI->hasSection() && MI->getSection() == section)
inSection.insert(MI);
for (unsigned x = 0; x < count; ++x) {
std::string global;
msf >> global;
Value* V = M.getNamedValue(global);
if (V) {
DSNodeHandle& DHV = GlobalsGraph->getNodeForValue(V);
for (svset<Value*>::iterator SI = inSection.begin(),
SE = inSection.end(); SI != SE; ++SI) {
DEBUG(errs() << "Merging " << V->getName().str() << " with "
<< (*SI)->getName().str() << "\n");
GlobalsGraph->getNodeForValue(*SI).mergeWith(DHV);
}
}
}
msf >> count;
}
} else {
