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GP-1932 Decompiler support for address space attribute on pointers

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This commit is contained in:
caheckman 2022-03-04 20:07:34 -05:00
parent 31b30adf2d
commit 7078885aea
12 changed files with 710 additions and 366 deletions
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13
Ghidra/Features/Decompiler/src/decompile/cpp/cast.cc
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@ -226,8 +226,17 @@ Datatype *CastStrategyC::castStandard(Datatype *reqtype,Datatype *curtype,
Datatype *curbase = curtype;
bool isptr = false;
while((reqbase->getMetatype()==TYPE_PTR)&&(curbase->getMetatype()==TYPE_PTR)) {
reqbase = ((const TypePointer *)reqbase)->getPtrTo();
curbase = ((const TypePointer *)curbase)->getPtrTo();
const TypePointer *reqptr = (const TypePointer *)reqbase;
const TypePointer *curptr = (const TypePointer *)curbase;
if (reqptr->getWordSize() != curptr->getWordSize())
return reqtype;
if (reqptr->getSpace() != curptr->getSpace()) {
if (reqptr->getSpace() != (AddrSpace *)0 && curptr->getSpace() != (AddrSpace *)0)
return reqtype; // Pointers to different address spaces. We must cast
// If one pointer doesn't have an address, assume a conversion to/from sub-type and don't need a cast
}
reqbase = reqptr->getPtrTo();
curbase = curptr->getPtrTo();
care_uint_int = true;
isptr = true;
}