ghidra/Ghidra/Features/Base/ghidra_scripts/DemangleSymbolScript.java

111 lines
3.5 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.
*/
//Attempts to demangle the symbol at the current location using Ghidra's DemanglerCmd and replace
//the default symbol and function signature (if applicable) with the demangled symbol
//Works for both Microsoft and Gnu mangled symbols
//@category Symbol
import ghidra.app.cmd.label.DemanglerCmd;
import ghidra.app.context.ProgramSymbolActionContext;
import ghidra.app.script.GhidraScript;
import ghidra.program.model.address.Address;
import ghidra.program.model.listing.Data;
import ghidra.program.model.listing.Function;
import ghidra.program.model.symbol.Symbol;
import ghidra.program.util.*;
import docking.*;
public class DemangleSymbolScript extends GhidraScript {
@Override
public void run() throws Exception {
DockingWindowManager windowManager = DockingWindowManager.getActiveInstance();
ComponentProvider provider = windowManager.getActiveComponentProvider();
ActionContext actionContext = provider.getActionContext(null);
if (actionContext instanceof ProgramSymbolActionContext) {
ProgramSymbolActionContext symbolContext = (ProgramSymbolActionContext) actionContext;
for (Symbol s : symbolContext.getSymbols()) {
demangle(s.getAddress(), s.getName());
}
}
else if (currentLocation instanceof FunctionSignatureFieldLocation) {
Function function = getFunctionAt(currentAddress);
if (function != null) {
demangle(currentAddress, function.getName());
}
}
else if (currentLocation instanceof LabelFieldLocation) {
LabelFieldLocation lfl = (LabelFieldLocation) currentLocation;
demangle(currentAddress, lfl.getName());
}
else if (currentLocation instanceof OperandFieldLocation) {
Data data = getDataAt(currentAddress);
if (data == null) {
return;
}
Object value = data.getValue();
if (!(value instanceof Address)) {
return;
}
Address symbolAddr = (Address) value;
Symbol sym = getSymbolAt(symbolAddr);
if (sym == null) {
popup("Symbol not found at the address " + symbolAddr +
" referenced by the selected pointer");
return;
}
demangle(symbolAddr, sym.getName());
}
else {
Symbol sym = getSymbolAt(currentAddress);
if (sym != null) {
demangle(currentAddress, sym.getName());
}
else {
println("Nothing to demangle at " + currentAddress);
}
}
}
private void demangle(Address address, String name) {
if (name.startsWith("s_") || name.startsWith("u_") || name.startsWith("AddrTable")) {
println("Not a mangled name: " + name);
return;
}
if (name.indexOf("::case_0x") > 0) {
int pos = name.indexOf("::case_0x");
name = name.substring(0, pos);
}
else if (name.indexOf("::switchTable") > 0) {
int pos = name.indexOf("::switchTable");
name = name.substring(0, pos);
}
DemanglerCmd cmd = new DemanglerCmd(address, name);
boolean success = cmd.applyTo(currentProgram, monitor);
if (success) {
println("Successfully demangled!\n" + name + '\n' + cmd.getResult());
}
else {
println(cmd.getStatusMsg());
}
}
}