geode/loader/dobby/source/InterceptRouting/Routing/DynamicBinaryInstrument/DynamicBinaryInstrumentExport.cc
2022-07-30 19:24:03 +03:00

37 lines
1.2 KiB
C++

#include "dobby_internal.h"
#include "InterceptRouting/InterceptRouting.h"
#include "InterceptRouting/Routing/DynamicBinaryInstrument/dynamic-binary-instrument.h"
PUBLIC int DobbyInstrument(void *address, DBICallTy handler) {
if (!address) {
ERROR_LOG("the function address is 0x0.\n");
return RS_FAILED;
}
RAW_LOG(1, "\n\n");
DLOG(0, "[DobbyInstrument] Initialize at %p", address);
// check if we already instruemnt
HookEntry *entry = Interceptor::SharedInstance()->FindHookEntry(address);
if (entry) {
DynamicBinaryInstrumentRouting *route = (DynamicBinaryInstrumentRouting *)entry->route;
if (route->handler == handler) {
ERROR_LOG("instruction %s already been instrumented.", address);
return RS_FAILED;
}
}
entry = new HookEntry();
entry->id = Interceptor::SharedInstance()->GetHookEntryCount();
entry->type = kDynamicBinaryInstrument;
entry->instruction_address = address;
DynamicBinaryInstrumentRouting *route = new DynamicBinaryInstrumentRouting(entry, (void *)handler);
route->Prepare();
route->DispatchRouting();
Interceptor::SharedInstance()->AddHookEntry(entry);
route->Commit();
return RS_SUCCESS;
}