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Code Issues Releases Wiki Activity

GP-3952 Updated the script categories to simplify and reduce the number of folders.

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ghidra_blue 2025-06-13 15:00:15 +00:00
parent 7772d98143
commit 7db176b2bd
82 changed files with 885 additions and 981 deletions
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42
Ghidra/Features/Base/ghidra_scripts/FixElfExternalOffsetDataRelocationScript.java
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@ -4,9 +4,9 @@
* 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.
@ -27,7 +27,7 @@
//
// Script may be constrained by a selection.
//
//@category ELF Relocations
//@category DWARF
import java.util.Iterator;
import ghidra.app.script.GhidraScript;
@ -82,18 +82,19 @@ public class FixElfExternalOffsetDataRelocationScript extends GhidraScript {
}
}
private boolean updateExternalDataRelocation(Bookmark relocErrorBookmark, MessageLog log) throws Exception {
private boolean updateExternalDataRelocation(Bookmark relocErrorBookmark, MessageLog log)
throws Exception {
Address address = relocErrorBookmark.getAddress();
String bookmarkComment = relocErrorBookmark.getComment();
int byteSize = address.getAddressSpace().getPointerSize();
int index = bookmarkComment.lastIndexOf("0x");
if (index < 0) {
return false;
}
char signChar = bookmarkComment.charAt(index - 1);
int offset;
try {
@ -108,16 +109,18 @@ public class FixElfExternalOffsetDataRelocationScript extends GhidraScript {
else if (signChar != '+') {
return false;
}
Memory memory = currentProgram.getMemory();
DumbMemBufferImpl buf = new DumbMemBufferImpl(memory, address);
Address symbolAddr = PointerDataType.getAddressValue(buf, byteSize, address.getAddressSpace());
Address symbolAddr =
PointerDataType.getAddressValue(buf, byteSize, address.getAddressSpace());
if (symbolAddr == null) {
return false; // invalid pointer data
}
String symbolName = bookmarkComment.substring(EXT_RELO_BOOKMARK_TEXT_PREFIX.length(), index - 1).trim();
String symbolName =
bookmarkComment.substring(EXT_RELO_BOOKMARK_TEXT_PREFIX.length(), index - 1).trim();
if (currentProgram.getSymbolTable().getSymbol(symbolName, symbolAddr, null) == null) {
return false; // EXTERNAL block symbol not found at stored address
}
@ -136,23 +139,24 @@ public class FixElfExternalOffsetDataRelocationScript extends GhidraScript {
!canFixupStructure(dt, componentOffset, address.getPointerSize())) {
return false; // unsupported datatype applied
}
long newValue = symbolAddr.getOffset() + offset;
GhidraDataConverter converter = GhidraDataConverter.getInstance(buf.isBigEndian());
byte[] bytes = new byte[byteSize];
converter.putValue(newValue, byteSize, bytes, 0);
memory.setBytes(address, bytes);
currentProgram.getBookmarkManager().removeBookmark(relocErrorBookmark);
ElfRelocationHandler.warnExternalOffsetRelocation(currentProgram, address, symbolAddr, symbolName, offset, log);
ElfRelocationHandler.warnExternalOffsetRelocation(currentProgram, address, symbolAddr,
symbolName, offset, log);
DataType offsetPtrDt =
currentProgram.getDataTypeManager()
.resolve(new PointerTypedef(null, null, -1, currentProgram.getDataTypeManager(),
offset), null);
if (isDefaultTypeApplied) {
// Replace undefined/default data with offset-pointer
DataUtilities.createData(currentProgram, address, offsetPtrDt, -1,