yetangitu/ghidra
1
0
Fork 0
mirror of https://github.com/NationalSecurityAgency/ghidra.git synced 2025-10-04 10:19:23 +02:00
Code Issues Releases Wiki Activity

GP-3307 Stack strings

Browse source
This commit is contained in:
caheckman 2024-04-16 22:24:34 +00:00
parent 9b6ba66aa0
commit 5604178194
37 changed files with 1653 additions and 419 deletions
Download patch file Download diff file Expand all files Collapse all files

19
Ghidra/Features/Decompiler/src/decompile/cpp/variable.cc
View file

@ -533,16 +533,25 @@ SymbolEntry *HighVariable::getSymbolEntry(void) const
return (SymbolEntry *)0;
}
/// The data-type its dirtying mechanism is disabled. The data-type will not change, unless
/// this method is called again.
/// \param tp is the data-type to set
void HighVariable::finalizeDatatype(Datatype *tp)
/// If there is an associated Symbol, its data-type (or the appropriate piece) is assigned
/// to \b this. The dirtying mechanism is disabled so that data-type cannot change.
/// \param typeFactory is the factory used to construct any required piece
void HighVariable::finalizeDatatype(TypeFactory *typeFactory)
{
if (symbol == (Symbol *)0) return;
Datatype *cur = symbol->getType();
int4 off = symboloffset;
if (off < 0)
off = 0;
int4 sz = inst[0]->getSize();
Datatype *tp = typeFactory->getExactPiece(cur, off, sz);
if (tp == (Datatype *)0 || tp->getMetatype() == TYPE_UNKNOWN)
return;
type = tp;
if (type->hasStripped()) {
if (type->getMetatype() == TYPE_PARTIALUNION) {
if (symbol != (Symbol *)0 && symboloffset != -1) {
if (symboloffset != -1) {
type_metatype meta = symbol->getType()->getMetatype();
if (meta != TYPE_STRUCT && meta != TYPE_UNION) // If partial union does not have a bigger backing symbol
type = type->getStripped(); // strip the partial union