107 lines
3.6 KiB
Java
107 lines
3.6 KiB
Java
/* ###
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* IP: GHIDRA
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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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//This script asks for a name and value for an equate and applies it at all scalar operands
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// in the current selection (if applicable) or the entire program if no selection is made
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//@author
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//@category
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//@keybinding
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//@menupath
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//@toolbar
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import ghidra.app.cmd.equate.SetEquateCmd;
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import ghidra.app.script.GhidraScript;
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import ghidra.framework.cmd.Command;
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import ghidra.program.model.lang.OperandType;
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import ghidra.program.model.listing.*;
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public class SetEquateScript extends GhidraScript {
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@Override
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public void run() throws Exception {
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// Get listing for current program
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Listing listing = currentProgram.getListing();
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// bools to be able to inform user if scalar values were found
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boolean scalarFound = false;
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boolean userScalarFound = false;
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// Prompt user to input scalar value to search for
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Integer scalarValue =
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askInt("Scalar value", "Please input the scalar value you want to search for");
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// Prompt user to input the name for the equate
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String equateName =
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askString("Equate name", "Please input the name of the equate you wish to add");
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// TODO: check to see if the equate name already exists
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// Iterator declarations
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InstructionIterator iter;
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// Check to see if there is a selection
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if (currentSelection != null) {
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// Create iterator to check current selection
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iter = listing.getInstructions(currentSelection, true);
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}
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else {
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// Create iterator to check whole program
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iter = listing.getInstructions(currentProgram.getMemory(), true);
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}
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// checks if there is a next value and if the user has canceled the
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// request
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while (iter.hasNext() && !monitor.isCancelled()) {
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// Grabs next value
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Instruction tempValue = iter.next();
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// Find out how many operands are listed
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int numOperands = tempValue.getNumOperands();
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for (int i = 0; i <= numOperands; i++) {
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// Checks to see if the current value is a scalar value
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if (tempValue.getOperandType(i) == (OperandType.SCALAR)) {
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scalarFound = true; // a scalar value was found
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// Checks to see if the scalar value is equal to the value
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// we are searching for
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if (tempValue.getScalar(i).getUnsignedValue() == scalarValue) {
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userScalarFound = true; // the scalar value the user was
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// looking for was found
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// Sets the equate to the user defined name and execute
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Command cmd =
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new SetEquateCmd(equateName, tempValue.getAddress(), i, scalarValue);
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state.getTool().execute(cmd, currentProgram);
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// print out the new information for user
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println("A new equate named " + equateName +
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" has been set for the scalar value " + scalarValue + " at address " +
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tempValue.getAddress() + " and at operand " + i);
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}
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}
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}
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}
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// checks to see if the scalar value was found and informs user
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if (scalarFound == false && userScalarFound == false) {
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println("No scalar values were found.");
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}
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else if (scalarFound == true && userScalarFound == false) {
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println("No " + scalarValue + " values were found");
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}
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}
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}
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