virtual bool check(SpPoint* pt) {
PatchFunction* f = sp::Callee(pt);
if (!f) return false;
sp_print("StackArrayChecker");
// getAllVariables
PatchObject* obj = pt->obj();
using namespace Dyninst::ParseAPI;
using namespace Dyninst::SymtabAPI;
SymtabCodeSource* cs = static_cast<SymtabCodeSource*>(obj->co()->cs());
Symtab* sym = cs->getSymtabObject();
std::vector<Symbol*> symbols;
std::vector<SymtabAPI::Function*> funcs;
sym->getAllFunctions(funcs);
for (unsigned i = 0; i < funcs.size(); i ++) {
if (funcs[i]->getOffset() == f->addr()) {
std::vector<localVar*> vars;
funcs[i]->getLocalVariables(vars);
for (unsigned j = 0; j < vars.size(); j ++) {
typeArray* t = vars[j]->getType()->getArrayType();
if (!t) continue;
sp_print("%s: [%lx, %lx]", vars[j]->getName().c_str(), t->getLow(), t->getHigh());
}
}
}
return true;
}
// get all function symbols and statements for this linked object
// that match an address in the passed AddressBuffer.
void
SymtabAPISymbols::getSymbols(const AddressBuffer& abuffer,
const LinkedObjectEntry& linkedobject,
SymbolTable& st)
{
std::set<Address> addresses;
AddressCounts ac = abuffer.addresscounts;
AddressCounts::const_iterator aci;
std::set<Address>::iterator ai;
for (aci = ac.begin(); aci != ac.end(); ++aci) {
addresses.insert(aci->first);
}
std::string objname = linkedobject.getPath();
AddressRange lorange = linkedobject.getAddressRange();
std::set<AddressRange>::iterator si;
// DEBUG
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_enabled) {
std::cerr << "SymtabAPISymbols::getSymbols: Processing linked object "
<< objname << " with address range " << lorange
<< " addresses is " << addresses.size()
<< std::endl;
}
#endif
Symtab *symtab;
bool symtab_opened = Symtab::openFile(symtab, objname);
//std::cerr << "SymtabAPISymbols::getSymbols: symtab_opened=" << symtab_opened << " symtab=" << symtab << std::endl;
if (!symtab_opened || symtab == NULL) {
// DEBUG
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_enabled) {
std::cerr
<< "SymtabAPISymbols::getSymbols: linked object " << objname
<< " could not be opened by symtabAPI."
<< std::endl;
}
#endif
return;
}
KrellInstitute::Core::Address image_offset(symtab->imageOffset());
KrellInstitute::Core::Address image_length(symtab->imageLength());
AddressRange image_range(image_offset,image_offset+image_length);
// DEBUG
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_enabled) {
std::cerr << "SymtabAPISymbols::getSymbols: Image range for" << objname << " " << image_range << std::endl;
}
#endif
KrellInstitute::Core::Address base(0);
if ( (image_range.getBegin() - lorange.getBegin()) < 0 ) {
base = lorange.getBegin();
}
std::vector <Dyninst::SymtabAPI::Function *>fsyms;
// Make sure we get the full filename
if(symtab) {
symtab->setTruncateLinePaths(false);
}
if(symtab && !symtab->getAllFunctions(fsyms)) {
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_enabled) {
std::cerr << "Dyninst::SymtabAPI::Symbol::getAllFunctions unable to get functions\n`"
<< "from " << objname << " range: " << image_range << "\n"
<< Symtab::printError(Symtab::getLastSymtabError()).c_str()
<< std::endl;
}
#endif
}
#ifndef NDEBUG
std::stringstream output;
#endif
std::set<Address>::iterator ai_begin = addresses.equal_range(lorange.getBegin()).first;
std::set<Address>::iterator ai_end = addresses.equal_range(lorange.getEnd()).second;
std::set<KrellInstitute::Core::Address> function_begin_addresses;
std::vector <Function *>::iterator fsit;
for(fsit = fsyms.begin(); fsit != fsyms.end(); ++fsit) {
int sym_size = (*fsit)->getSize();
KrellInstitute::Core::Address begin((*fsit)->getOffset());
KrellInstitute::Core::Address end(begin + sym_size);
// don't let an invalid range through...
if (begin >= end) continue;
AddressRange frange(begin,end);
for (ai=ai_begin; ai!=ai_end; ++ai)
{
// normalize address for testing range from symtabapi.
KrellInstitute::Core::Address theAddr(*ai - base.getValue()) ;
if (frange.doesContain( theAddr )) {
std::string fname =
(*fsit)->getFirstSymbol()->getMangledName();
// DEBUG
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_detailed_enabled) {
output << "SymtabAPISymbols::getSymbols: ADDING FUNCTION " << fname
<< " " << frange
<< " pc:" << *ai
<< " adjusted pc:" << theAddr
<< std::endl;
}
#endif
//st.addFunction(begin+base,end+base,fname);
st.addFunction(begin,end,base,fname);
// Record the function begin addresses, This allows the
// cli and gui to focus on or display the first
// statement of a function.
// The function begin addresses will be processed later
// for statement info and added to our statements.
function_begin_addresses.insert(begin);
break;
}
}
}
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_detailed_enabled) {
std::cerr << output.str();
output.clear();
}
#endif
std::vector <Module *>mods;
AddressRange module_range;
std::string module_name;
if(symtab && !symtab->getAllModules(mods)) {
std::cerr << "SymtabAPISymbols::getSymbols: getAllModules unable to get all modules "
<< Symtab::printError(Symtab::getLastSymtabError()).c_str()
<< std::endl;
} else {
// DEBUG
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_detailed_enabled) {
for(unsigned i = 0; i< mods.size();i++){
module_range =
AddressRange(mods[i]->addr(),
mods[i]->addr() + symtab->imageLength());
module_name = mods[i]->fullName();
std::cerr << "SymtabAPISymbols::getSymbols: getAllModules for " << mods[i]->fullName()
<< " Range " << module_range
<< std::endl;
}
}
#endif
}
// DEBUG
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_enabled) {
std::cerr << "SymtabAPISymbols::getSymbols: image_offset:" << image_offset
<< " image_length:" << image_length
<< " image_range:" << image_range << std::endl;
std::cerr << "USING BASE OFFSET " << base << std::endl;
}
#endif
for (ai=ai_begin; ai!=ai_end; ++ai)
{
// normalize address for testing range from symtabapi.
KrellInstitute::Core::Address theAddr(*ai - base.getValue()) ;
Offset myoffset = theAddr.getValue();
for(unsigned i = 0; i< mods.size();i++) {
std::vector< Dyninst::SymtabAPI::Statement *> mylines;
mods[i]->getSourceLines(mylines,myoffset);
if (mylines.size() > 0) {
for (std::vector<Dyninst::SymtabAPI::Statement *>::iterator si = mylines.begin();
si != mylines.end(); si++) {
// DEBUG
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_detailed_enabled) {
output << "SymtabAPISymbols::getSymbols: SAMPLE Address:" << theAddr + base
<< " " << (*si)->getFile()
<< ":" << (*si)->getLine()
<< ":" << (int) (*si)->getColumn()
<< ":" << KrellInstitute::Core::Address((*si)->startAddr()) +base
<< ":" << KrellInstitute::Core::Address((*si)->endAddr()) +base
<< std::endl;
}
#endif
// add the base offset back when recording statement.
st.addStatement(KrellInstitute::Core::Address((*si)->startAddr()) +base,
KrellInstitute::Core::Address((*si)->endAddr()) +base,
(*si)->getFile(),
(*si)->getLine(),
(int) (*si)->getColumn()
);
}
}
} // mods loop
} // sampled addresses loop
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_detailed_enabled) {
std::cerr << output.str();
output.clear();
}
#endif
// Find any statements for the beginning of a function that
// contained a valid sample address.
for(std::set<KrellInstitute::Core::Address>::const_iterator fi = function_begin_addresses.begin();
fi != function_begin_addresses.end();
++fi) {
// Lookup address by subtracting base offset.
KrellInstitute::Core::Address theAddr(*fi - base.getValue()) ;
Offset myoffset = theAddr.getValue();
for(unsigned i = 0; i< mods.size();i++) {
std::vector< Dyninst::SymtabAPI::Statement *> mylines;
mods[i]->getSourceLines(mylines,myoffset);
if (mylines.size() > 0) {
for(std::vector<Dyninst::SymtabAPI::Statement *>::iterator si = mylines.begin();
si != mylines.end(); si++) {
// DEBUG
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_detailed_enabled) {
output << "SymtabAPISymbols::getSymbols: FUNCTION BEGIN"
<< " " << (*si)->getFile()
<< ":" << (*si)->getLine()
<< ":" << (int) (*si)->getColumn()
<< ":" << KrellInstitute::Core::Address((*si)->startAddr()) +base
<< ":" << KrellInstitute::Core::Address((*si)->endAddr()) +base
<< std::endl;
}
#endif
// add the base offset back when recording statement.
st.addStatement(KrellInstitute::Core::Address((*si)->startAddr()) +base,
KrellInstitute::Core::Address((*si)->endAddr()) +base,
(*si)->getFile(),
(*si)->getLine(),
(int) (*si)->getColumn()
);
}
}
} // mods loop
} // function begin statement loop
#ifndef NDEBUG
if(is_debug_symtabapi_symbols_detailed_enabled) {
std::cerr << output.str();
output.clear();
}
#endif
}
