mirror of
https://github.com/NationalSecurityAgency/ghidra.git
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89 lines
2.7 KiB
Java
89 lines
2.7 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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// Produces a list of instructions whose pcode contains a CALLOTHER pcode op. The list is
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// sorted by number of occurrences of an instruction. When run headlessly, the list is displayed
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// each time a program is processed and the counts are cumulative.
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// @category sleigh
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import java.util.HashMap;
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import java.util.Map;
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import ghidra.app.script.GhidraScript;
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import ghidra.program.model.listing.Instruction;
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import ghidra.program.model.listing.InstructionIterator;
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import ghidra.program.model.pcode.PcodeOp;
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public class CallotherCensusScript extends GhidraScript {
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public static Map<String, CountAndLocationInfo> instCountMap = new HashMap<>();
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@Override
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protected void run() throws Exception {
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if (currentProgram == null) {
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popup("This script requires an active current program.");
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return;
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}
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if (!isRunningHeadless()) {
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instCountMap.clear();
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}
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InstructionIterator instIter = currentProgram.getListing().getInstructions(true);
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while (instIter.hasNext()) {
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monitor.checkCancelled();
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Instruction inst = instIter.next();
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for (PcodeOp op : inst.getPcode()) {
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if (op.getOpcode() == PcodeOp.CALLOTHER) {
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String mnemonic = inst.getMnemonicString();
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CountAndLocationInfo countInfo = instCountMap.computeIfAbsent(mnemonic,
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s -> new CountAndLocationInfo(s,
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currentProgram.getDomainFile().getPathname() + " " +
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inst.getAddress()));
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countInfo.incrementCount();
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}
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}
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}
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instCountMap.values().stream().sorted().forEach(x -> printf("%s\n", x.toString()));
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}
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class CountAndLocationInfo implements Comparable<CountAndLocationInfo> {
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private String mnemonic;
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private String firstOccurrence;
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private Integer count;
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public CountAndLocationInfo(String mnemonic, String firstOccurrence) {
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this.mnemonic = mnemonic;
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this.firstOccurrence = firstOccurrence;
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count = 0;
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}
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public void incrementCount() {
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count += 1;
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}
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@Override
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public String toString() {
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return mnemonic + " " + count.toString() + " " + firstOccurrence;
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}
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@Override
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public int compareTo(CountAndLocationInfo o) {
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return -Integer.compare(count, o.count);
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}
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}
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}
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