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Code Issues Releases Wiki Activity

GP-5526 bug fix for .plt.sec and pattern matching optimization

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This commit is contained in:
emteere 2025-09-24 18:03:10 +00:00
parent 437bed4be0
commit 69ed84a069
3 changed files with 19 additions and 8 deletions
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13
Ghidra/Features/BytePatterns/src/main/java/ghidra/app/analyzers/FunctionStartAnalyzer.java
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@ -17,6 +17,7 @@ package ghidra.app.analyzers;
import java.math.BigInteger;
import java.util.*;
import java.util.regex.Matcher;
import generic.jar.ResourceFile;
import ghidra.app.cmd.function.CreateFunctionCmd;
@ -209,7 +210,7 @@ public class FunctionStartAnalyzer extends AbstractAnalyzer implements PatternFa
private String label = null;
private boolean isThunk = false; // true if this function should be turned into a thunk
private boolean noreturn = false; // true to set function non-returning
private String sectionName = null; // required section name
private java.util.regex.Pattern sectionNamePattern = null; // required section name as a regex pattern
boolean validFunction = false; // must be defined at a function
private boolean contiguous = true; // require validcode instructions be contiguous
@ -227,9 +228,13 @@ public class FunctionStartAnalyzer extends AbstractAnalyzer implements PatternFa
protected boolean checkPreRequisites(Program program, Address addr) {
// check required section name
if (sectionName != null) {
if (sectionNamePattern != null) {
MemoryBlock block = program.getMemory().getBlock(addr);
if (block == null || !block.getName().matches(sectionName)) {
if (block == null) {
return false;
}
Matcher m = sectionNamePattern.matcher(block.getName());
if (!m.matches()) {
return false;
}
}
@ -651,7 +656,7 @@ public class FunctionStartAnalyzer extends AbstractAnalyzer implements PatternFa
break;
case "section":
sectionName = attrValue;
sectionNamePattern = java.util.regex.Pattern.compile(attrValue);
break;
case "noreturn":