80 lines
2.6 KiB
Java
80 lines
2.6 KiB
Java
/* ###
|
|
* IP: GHIDRA
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
// Finds instructions that are not inside a defined function body
|
|
// and locates the start of each instruction flow.
|
|
//
|
|
// In headless mode displays a count of the potential function starts.
|
|
// In headed mode displays a table identifying the start locations of all
|
|
// unreferenced code.
|
|
//
|
|
// @category Search
|
|
|
|
import ghidra.app.script.GhidraScript;
|
|
import ghidra.program.model.address.Address;
|
|
import ghidra.program.model.address.AddressSet;
|
|
import ghidra.program.model.block.*;
|
|
import ghidra.program.model.listing.*;
|
|
import ghidra.util.Msg;
|
|
import ghidra.util.SystemUtilities;
|
|
|
|
public class FindInstructionsNotInsideFunctionScript extends GhidraScript {
|
|
|
|
/**
|
|
* @see ghidra.app.script.GhidraScript#run()
|
|
*/
|
|
@Override
|
|
public void run() throws Exception {
|
|
AddressSet set = new AddressSet();
|
|
Listing listing = currentProgram.getListing();
|
|
|
|
InstructionIterator initer = listing.getInstructions(currentProgram.getMemory(), true);
|
|
while (initer.hasNext() && !monitor.isCancelled()) {
|
|
Instruction instruct = initer.next();
|
|
set.addRange(instruct.getMinAddress(), instruct.getMaxAddress());
|
|
}
|
|
FunctionIterator iter = listing.getFunctions(true);
|
|
while (iter.hasNext() && !monitor.isCancelled()) {
|
|
Function f = iter.next();
|
|
set.delete(f.getBody());
|
|
}
|
|
|
|
if (set.getNumAddressRanges() == 0) {
|
|
popup("NO RESULTS - all instructions are contained inside functions");
|
|
return;
|
|
}
|
|
|
|
//
|
|
// go through address set and find the actual start of flow into the dead code
|
|
//
|
|
IsolatedEntrySubModel submodel = new IsolatedEntrySubModel(currentProgram);
|
|
CodeBlockIterator subIter = submodel.getCodeBlocksContaining(set, monitor);
|
|
AddressSet codeStarts = new AddressSet();
|
|
while (subIter.hasNext()) {
|
|
CodeBlock block = subIter.next();
|
|
Address deadStart = block.getFirstStartAddress();
|
|
codeStarts.add(deadStart);
|
|
}
|
|
|
|
if (SystemUtilities.isInHeadlessMode()) {
|
|
Msg.error(this, "POSSIBLE UNDEFINED FUNCTIONS: # " + codeStarts.getNumAddresses());
|
|
}
|
|
else {
|
|
show("Possible Undefined functions", codeStarts);
|
|
}
|
|
}
|
|
|
|
}
|