bool BPatch_binaryEdit::writeFile(const char * outFile)
{
assert(pendingInsertions);
// This should be a parameter...
//bool atomic = false;
// Define up here so we don't have gotos causing issues
std::set<func_instance *> instrumentedFunctions;
// Two loops: first addInst, then generate/install/link
pdvector<miniTramp *> workDone;
//bool err = false;
// Iterate over our AddressSpaces, triggering relocation
// in each one.
std::vector<AddressSpace *> as;
getAS(as);
bool ret = true;
/* PatchAPI stuffs */
if (as.size() > 0) {
ret = AddressSpace::patch(as[0]);
}
/* end of PatchAPI stuffs */
// Now that we've instrumented we can see if we need to replace the
// trap handler.
replaceTrapHandler();
for(std::map<std::string, BinaryEdit*>::iterator i = llBinEdits.begin();
i != llBinEdits.end(); i++)
{
(*i).second->trapMapping.flush();
}
if( !origBinEdit->writeFile(outFile) ) return false;
std::map<std::string, BinaryEdit *>::iterator curBinEdit;
for (curBinEdit = llBinEdits.begin(); curBinEdit != llBinEdits.end(); curBinEdit++) {
BinaryEdit *bin = (*curBinEdit).second;
if (bin == origBinEdit)
continue;
if (!bin->isDirty())
continue;
std::string newname = bin->getMappedObject()->fileName();
if( !bin->writeFile(newname) ) return false;
}
return ret;
}
bool BPatch_binaryEdit::replaceTrapHandler() {
// Did we use a trap?
bool usedATrap = false;
std::map<std::string, BinaryEdit *>::iterator iter = llBinEdits.begin();
for (; iter != llBinEdits.end(); iter++) {
if (iter->second->usedATrap()) {
usedATrap = true;
break;
}
}
if (!usedATrap) return true;
// We used a trap, so go through and set up the replacement instrumentation.
// However, don't let this be the first piece of instrumentation put into
// a library.
bool success = true;
iter = llBinEdits.begin();
for (; iter != llBinEdits.end(); iter++) {
BinaryEdit *binEd = iter->second;
// Did we instrument this already?
if (!binEd->isDirty()) {
continue;
}
// Okay, replace trap handler
if (!binEd->replaceTrapHandler()) {
success = false;
}
}
return success;
}