GP-4976 Only send back <typeref>

Ghidra/Features/Decompiler/src/decompile/cpp/coreaction.cc

@@ -4825,6 +4825,7 @@ int4 ActionInternalStorage::apply(Funcdata &data)
 void ActionInferTypes::propagationDebug(Architecture *glb,Varnode *vn,const Datatype *newtype,PcodeOp *op,int4 slot,Varnode *ptralias)
 
 {
+  if (!TypeFactory::propagatedbg_on) return;
   ostringstream s;
 
   vn->printRaw(s);
@@ -5225,9 +5226,11 @@ int4 ActionInferTypes::apply(Funcdata &data)
   VarnodeLocSet::const_iterator iter;
 
 #ifdef TYPEPROP_DEBUG
+  if (TypeFactory::propagatedbg_on) {
     ostringstream s;
     s << "Type propagation pass - " << dec << localcount;
     data.getArch()->printDebug(s.str());
+  }
 #endif
   if (localcount >= 7) {       // This constant arrived at empirically
     if (localcount == 7) {

Ghidra/Features/Decompiler/src/decompile/cpp/cpool.cc

@@ -79,7 +79,7 @@ void CPoolRecord::encode(Encoder &encoder) const
     encoder.writeString(ATTRIB_CONTENT, token);
     encoder.closeElement(ELEM_TOKEN);
   }
-  type->encode(encoder);
+  type->encodeRef(encoder);
   encoder.closeElement(ELEM_CPOOLREC);
 }
 

Ghidra/Features/Decompiler/src/decompile/cpp/filemanage.cc

@@ -257,7 +257,16 @@ void FileManage::directoryList(vector<string> &res,const string &dirname,bool al
   if (dir == (DIR *)0) return;
   entry = readdir(dir);
   while(entry != (struct dirent *)0) {
-    if (entry->d_type == DT_DIR) {
+    bool isDirectory = false;
+    if (entry->d_type == DT_DIR)
+      isDirectory = true;
+    else if (entry->d_type == DT_UNKNOWN || entry->d_type == DT_LNK) {
+      string path = dirfinal + entry->d_name;
+      struct stat stbuf;
+      stat(path.c_str(), &stbuf);
+      isDirectory = S_ISDIR(stbuf.st_mode);
+    }
+    if (isDirectory) {
       string fullname(entry->d_name);
       if ((fullname!=".")&&(fullname!="..")) {
 	if (allowdot || (fullname[0] != '.'))

Ghidra/Features/Decompiler/src/decompile/cpp/fspec.cc

@@ -3378,7 +3378,7 @@ void ProtoStoreInternal::encode(Encoder &encoder) const
     if (outparam->isTypeLocked())
       encoder.writeBool(ATTRIB_TYPELOCK,true);
     outparam->getAddress().encode(encoder);
-    outparam->getType()->encode(encoder);
+    outparam->getType()->encodeRef(encoder);
     encoder.closeElement(ELEM_RETPARAM);
   }
   else {
@@ -3406,7 +3406,7 @@ void ProtoStoreInternal::encode(Encoder &encoder) const
     if (param->isHiddenReturn())
       encoder.writeBool(ATTRIB_HIDDENRETPARM, true);
     param->getAddress().encode(encoder);
-    param->getType()->encode(encoder);
+    param->getType()->encodeRef(encoder);
     encoder.closeElement(ELEM_PARAM);
   }
   encoder.closeElement(ELEM_INTERNALLIST);
@@ -3422,7 +3422,7 @@ void ProtoStoreInternal::decode(Decoder &decoder,ProtoModel *model)
   proto.firstVarArgSlot = -1;
   bool addressesdetermined = true;
 
-  pieces.push_back( ParameterPieces() ); // Push on placeholder for output pieces
+  pieces.emplace_back(); // Push on placeholder for output pieces
   pieces.back().type = outparam->getType();
   pieces.back().flags = 0;
   if (outparam->isTypeLocked())
@@ -4599,7 +4599,7 @@ void FuncProto::encode(Encoder &encoder) const
   if (outparam->isTypeLocked())
     encoder.writeBool(ATTRIB_TYPELOCK, true);
   outparam->getAddress().encode(encoder,outparam->getSize());
-  outparam->getType()->encode(encoder);
+  outparam->getType()->encodeRef(encoder);
   encoder.closeElement(ELEM_RETURNSYM);
   encodeEffect(encoder);
   encodeLikelyTrash(encoder);

Ghidra/Features/Decompiler/src/decompile/cpp/ifacedecomp.cc

@@ -155,6 +155,10 @@ void IfaceDecompCapability::registerCommands(IfaceStatus *status)
   status->registerCom(new IfcTraceList(),"trace","list");
   status->registerCom(new IfcBreakjump(),"break","jumptable");
 #endif
+
+#ifdef TYPEPROP_DEBUG
+  status->registerCom(new IfcTracePropagation(),"trace","propagation");
+#endif
 }
 
 /// Runs over every function in the scope, or any sub-scope , calling
@@ -3586,6 +3590,24 @@ void IfcBreakjump::execute(istream &s)
 
 #endif
 
+#ifdef TYPEPROP_DEBUG
+
+void IfcTracePropagation::execute(istream &s)
+
+{
+  string token;
+  s >> ws >> token;
+  if (token == "on")
+    TypeFactory::propagatedbg_on = true;
+  else if (token == "off")
+    TypeFactory::propagatedbg_on = false;
+  else
+    throw IfaceParseError("Must specific on/off");
+  *status->optr << "Data-type propagation trace set to: "<< token << endl;
+}
+
+#endif
+
 /// Execute one command and handle any exceptions.
 /// Error messages are printed to the console.  For low-level errors,
 /// the current function is reset to null

Ghidra/Features/Decompiler/src/decompile/cpp/ifacedecomp.hh

@@ -668,5 +668,14 @@ public:
 
 #endif
 
+#ifdef TYPEPROP_DEBUG
+
+class IfcTracePropagation : public IfaceDecompCommand {
+public:
+  virtual void execute(istream &s);
+};
+
+#endif
+
 } // End namespace ghidra
 #endif

Ghidra/Features/Decompiler/src/decompile/cpp/paramid.cc

@@ -165,7 +165,7 @@ void ParamMeasure::encode( Encoder &encoder,ElementId &tag,bool moredetail ) con
   encoder.openElement(ELEM_ADDR);
   vndata.space->encodeAttributes( encoder, vndata.offset, vndata.size );
   encoder.closeElement(ELEM_ADDR);
-  vntype->encode(encoder);
+  vntype->encodeRef(encoder);
   if( moredetail ) {
     encoder.openElement(ELEM_RANK);
     encoder.writeSignedInteger(ATTRIB_VAL, rank);

Ghidra/Features/Decompiler/src/decompile/cpp/test.cc

@@ -38,7 +38,10 @@ int UnitTest::run(set<string> &testNames)
       t->func();
       ++passed;
       cerr << "  passed." << endl;
+    } catch(LowlevelError &err) {
+      cerr << "  fail: " << err.explain << endl;
     } catch(...) {
+      cerr << "  fail" << endl;
     }
   }
   cerr << "==============================" << endl;

Ghidra/Features/Decompiler/src/decompile/cpp/type.cc

@@ -3026,6 +3026,10 @@ void TypeSpacebase::decode(Decoder &decoder,TypeFactory &typegrp)
 //  decoder.closeElement(elemId);
 }
 
+#ifdef TYPEPROP_DEBUG
+bool TypeFactory::propagatedbg_on = false;
+#endif
+
 /// Initialize an empty container
 /// \param g is the owning Architecture
 TypeFactory::TypeFactory(Architecture *g)
@@ -4358,7 +4362,7 @@ Datatype *TypeFactory::decodeTypeNoRef(Decoder &decoder,bool forcecore)
     break;
   case TYPE_SPACEBASE:
     {
-      TypeSpacebase tsb((AddrSpace *)0,Address(),glb);
+      TypeSpacebase tsb(glb);
       tsb.decode(decoder,*this);
       if (forcecore)
 	tsb.flags |= Datatype::coretype;

Ghidra/Features/Decompiler/src/decompile/cpp/type.hh

@@ -690,6 +690,8 @@ public:
   TypeSpacebase(const TypeSpacebase &op) : Datatype(op) {
     spaceid = op.spaceid; localframe=op.localframe; glb=op.glb;
   }
+  /// Constructor for use with decode
+  TypeSpacebase(Architecture *g) : Datatype(0,1,TYPE_SPACEBASE) { spaceid = (AddrSpace *)0; glb = g; }
   /// Construct given an address space, scope, and architecture
   TypeSpacebase(AddrSpace *id,const Address &frame,Architecture *g)
     : Datatype(0,1,TYPE_SPACEBASE), localframe(frame) { spaceid = id; glb = g; }
@@ -820,6 +822,9 @@ public:
   void cacheCoreTypes(void);				///< Cache common types
   list<DatatypeWarning>::const_iterator beginWarnings(void) const { return warnings.begin(); }	///< Start of data-type warnings
   list<DatatypeWarning>::const_iterator endWarnings(void) const { return warnings.end(); }	///< End of data-type warnings
+#ifdef TYPEPROP_DEBUG
+  static bool propagatedbg_on;		///< If \b true, display data-type propagation trace
+#endif
 };
 
 /// The display format for the data-type is changed based on the given format.  A value of

Ghidra/Features/Decompiler/src/decompile/cpp/types.h

@@ -88,8 +88,8 @@ CPUI_DEBUG        --    This is the ONE debug switch that should be passed in
 #ifdef CPUI_DEBUG
 # define OPACTION_DEBUG
 # define PRETTY_DEBUG
+# define TYPEPROP_DEBUG
 //# define __REMOTE_SOCKET__
-//# define TYPEPROP_DEBUG
 //# define DFSVERIFY_DEBUG
 //# define BLOCKCONSISTENT_DEBUG
 //# define MERGEMULTI_DEBUG

Ghidra/Features/Decompiler/src/decompile/cpp/variable.cc

@@ -845,7 +845,7 @@ void HighVariable::encode(Encoder &encoder) const
     if (symboloffset >= 0)
       encoder.writeSignedInteger(ATTRIB_OFFSET, symboloffset);
   }
-  getType()->encode(encoder);
+  getType()->encodeRef(encoder);
   for(int4 j=0;j<inst.size();++j) {
     encoder.openElement(ELEM_ADDR);
     encoder.writeUnsignedInteger(ATTRIB_REF, inst[j]->getCreateIndex());