56 lines
2.0 KiB
Java
56 lines
2.0 KiB
Java
/* ###
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* IP: GHIDRA
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* REVIEWED: YES
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//With a user-inputed base address, this script will add a reference on the current switch table entry to corresponding code
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//Make sure your table entry is defined data (db,dw,etc).
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//@category ARM
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import ghidra.app.script.GhidraScript;
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import ghidra.program.model.address.Address;
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import ghidra.program.model.listing.Data;
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import ghidra.program.model.listing.Listing;
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import ghidra.program.model.listing.Program;
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import ghidra.program.model.symbol.RefType;
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import ghidra.util.NumericUtilities;
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public class AddSingleReferenceInSwitchTable extends GhidraScript {
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@Override
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public void run() throws Exception {
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Program program = currentProgram;
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Listing listing = program.getListing();
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// Ask for base address
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// (equals the pc when program hits the switch table,
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// which equals the address of the "add pc, .." instruction + 4)
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Address pc = askAddress("Address", "Enter switch base address (hex, don't use 0x)");
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// Get current data value
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Data data = listing.getDefinedDataAt(currentAddress);
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long currVal = NumericUtilities.parseHexLong(data.getValue().toString().substring(2));
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// Calculate referenced addr
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Address refAddr = pc.add(2 * currVal);
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// Add reference
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println("Adding ref " + refAddr.toString() + " to address " + data.getAddressString(false, true));
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data.addValueReference(refAddr, RefType.DATA);
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}
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}
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