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Code Issues Releases Wiki Activity

GP-2818 Don't attach usepoint to address tied symbols

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This commit is contained in:
caheckman 2022-11-09 18:14:09 -05:00
parent 21eb588059
commit 4990101d6e
1 changed files with 4 additions and 0 deletions
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4
Ghidra/Features/Decompiler/src/decompile/cpp/funcdata_varnode.cc
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@ -1067,6 +1067,8 @@ Symbol *Funcdata::linkSymbol(Varnode *vn)
} }
else { // Must create a symbol entry else { // Must create a symbol entry
if (!vn->isPersist()) { // Only create local symbol if (!vn->isPersist()) { // Only create local symbol
if (vn->isAddrTied())
usepoint = Address();
entry = localmap->addSymbol("", high->getType(), vn->getAddr(), usepoint); entry = localmap->addSymbol("", high->getType(), vn->getAddr(), usepoint);
sym = entry->getSymbol(); sym = entry->getSymbol();
vn->setSymbolEntry(entry); vn->setSymbolEntry(entry);
@ -1443,6 +1445,8 @@ void Funcdata::coverVarnodes(SymbolEntry *entry,vector<Varnode *> &list)
int4 diff = (int4)(vn->getOffset() - entry->getAddr().getOffset()); int4 diff = (int4)(vn->getOffset() - entry->getAddr().getOffset());
ostringstream s; ostringstream s;
s << entry->getSymbol()->getName() << '_' << diff; s << entry->getSymbol()->getName() << '_' << diff;
if (vn->isAddrTied())
usepoint = Address();
scope->addSymbol(s.str(),vn->getHigh()->getType(),vn->getAddr(),usepoint); scope->addSymbol(s.str(),vn->getHigh()->getType(),vn->getAddr(),usepoint);
} }
} }