Mirrors_Framework/ghidra
1
0
Fork 0
mirror of https://github.com/NationalSecurityAgency/ghidra.git synced 2026-05-20 06:52:12 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

GP-6568 skip correlating data types that are already in the database

Browse Source
This commit is contained in:
dev747368
2026-04-20 19:49:41 +00:00
parent 36a5227126
commit f58e277f7b
1 changed files with 18 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/DWARFDataTypeManager.java
+18 -14
View File
@@ -24,6 +24,7 @@ import java.util.regex.Pattern;
import ghidra.app.util.bin.format.dwarf.DWARFDataTypeImporter.DWARFDataType;
import ghidra.app.util.bin.format.dwarf.expression.DWARFExpressionException;
import ghidra.program.database.DbObject;
import ghidra.program.model.data.*;
import ghidra.program.model.lang.CompilerSpec;
import ghidra.program.model.listing.Program;
@@ -130,25 +131,28 @@ public class DWARFDataTypeManager {
DataType post =
dataTypeManager.resolve(pre.dataType, DWARFDataTypeConflictHandler.INSTANCE);
// While walking the pre and post DataType graph in lockstep, use the mapping of
// pre_impl->offset to cache offset->post_datatype for later re-use.
DataTypeGraphComparator.compare(pre.dataType, post, (dt1, dt2) -> {
// If the data type was already in the database, we don't need to correlate pre&post
if (!(pre.dataType instanceof DbObject)) {
// While walking the pre and post DataType graph in lockstep, use the mapping of
// pre_impl->offset to cache offset->post_datatype for later re-use.
DataTypeGraphComparator.compare(pre.dataType, post, (dt1, dt2) -> {
DWARFDataType currentDDT = ddtImporter.getDDTByInstance(dt1);
DWARFDataType currentDDT = ddtImporter.getDDTByInstance(dt1);
// if we find the pre_datatype metadata, add permanent mapping
// of offset->db_datatype
if (currentDDT != null) {
if (currentDDT.dataType == dt1) {
for (Long offset : currentDDT.offsets) {
cacheOffsetToDataTypeMapping(offset, dt2);
// if we find the pre_datatype metadata, add permanent mapping
// of offset->db_datatype
if (currentDDT != null) {
if (currentDDT.dataType == dt1) {
for (Long offset : currentDDT.offsets) {
cacheOffsetToDataTypeMapping(offset, dt2);
}
}
saveDWARFSourceInfo(dt2, currentDDT.dsi);
}
saveDWARFSourceInfo(dt2, currentDDT.dsi);
}
return true;
});
return true;
});
}
cacheOffsetToDataTypeMapping(diea.getOffset(), post);
saveDWARFSourceInfo(post, pre.dsi);