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#include "rtti.h"
using namespace BinaryNinja;
using namespace BinaryNinja::RTTI;
std::optional<std::string> RTTI::DemangleNameMS(BinaryView* view, bool allowMangled, const std::string &mangledName)
{
QualifiedName demangledName = {};
Ref<Type> outType = {};
if (!DemangleMS(view->GetDefaultArchitecture(), mangledName, outType, demangledName, true))
return DemangleNameLLVM(allowMangled, mangledName);
return demangledName.GetString();
}
std::string RemoveItaniumPrefix(const std::string& name) {
// Remove class prefixes.
// 7 is class_type
// 9 is si_class_type
// 14 is vmi_class_type
if (name.rfind('7', 0) == 0)
return name.substr(1);
if (name.rfind('9', 0) == 0)
return name.substr(1);
if (name.rfind("14", 0) == 0)
return name.substr(2);
return name;
}
std::optional<std::string> RTTI::DemangleNameItanium(BinaryView* view, bool allowMangled, const std::string &mangledName)
{
if (auto demangledName = DemangleNameLLVM(allowMangled, mangledName))
return RemoveItaniumPrefix(demangledName.value());
return std::nullopt;
}
std::optional<std::string> RTTI::DemangleNameLLVM(bool allowMangled, const std::string &mangledName)
{
QualifiedName demangledName = {};
Ref<Type> outType = {};
if (!DemangleLLVM(mangledName, demangledName, true))
return allowMangled ? std::optional(mangledName) : std::nullopt;
auto demangledNameStr = demangledName.GetString();
size_t beginFind = demangledNameStr.find_first_of(' ');
if (beginFind != std::string::npos)
demangledNameStr.erase(0, beginFind + 1);
size_t endFind = demangledNameStr.find(" `RTTI Type Descriptor Name'");
if (endFind != std::string::npos)
demangledNameStr.erase(endFind, demangledNameStr.length());
return demangledNameStr;
}
Ref<Metadata> ClassInfo::SerializedMetadata()
{
std::map<std::string, Ref<Metadata> > classInfoMeta;
classInfoMeta["className"] = new Metadata(className);
if (baseClassName.has_value())
classInfoMeta["baseClassName"] = new Metadata(baseClassName.value());
if (classOffset.has_value())
classInfoMeta["classOffset"] = new Metadata(classOffset.value());
if (vft.has_value())
classInfoMeta["vft"] = vft->SerializedMetadata();
// NOTE: We omit baseVft as it can be resolved manually and just bloats the size.
return new Metadata(classInfoMeta);
}
ClassInfo ClassInfo::DeserializedMetadata(const Ref<Metadata> &metadata)
{
std::map<std::string, Ref<Metadata> > classInfoMeta = metadata->GetKeyValueStore();
ClassInfo info = {classInfoMeta["className"]->GetString()};
if (classInfoMeta.find("baseClassName") != classInfoMeta.end())
info.baseClassName = classInfoMeta["baseClassName"]->GetString();
if (classInfoMeta.find("classOffset") != classInfoMeta.end())
info.classOffset = classInfoMeta["classOffset"]->GetUnsignedInteger();
if (classInfoMeta.find("vft") != classInfoMeta.end())
info.vft = VirtualFunctionTableInfo::DeserializedMetadata(classInfoMeta["vft"]);
return info;
}
Ref<Metadata> VirtualFunctionTableInfo::SerializedMetadata()
{
std::vector<Ref<Metadata> > funcsMeta;
funcsMeta.reserve(virtualFunctions.size());
for (auto &vFunc: virtualFunctions)
funcsMeta.emplace_back(vFunc.SerializedMetadata());
std::map<std::string, Ref<Metadata> > vftMeta;
vftMeta["address"] = new Metadata(address);
vftMeta["functions"] = new Metadata(funcsMeta);
return new Metadata(vftMeta);
}
VirtualFunctionTableInfo VirtualFunctionTableInfo::DeserializedMetadata(const Ref<Metadata> &metadata)
{
std::map<std::string, Ref<Metadata> > vftMeta = metadata->GetKeyValueStore();
VirtualFunctionTableInfo vftInfo = {vftMeta["address"]->GetUnsignedInteger()};
if (vftMeta.find("functions") != vftMeta.end())
{
for (auto &entry: vftMeta["functions"]->GetArray())
vftInfo.virtualFunctions.emplace_back(VirtualFunctionInfo::DeserializedMetadata(entry));
}
return vftInfo;
}
Ref<Metadata> VirtualFunctionInfo::SerializedMetadata()
{
std::map<std::string, Ref<Metadata> > vFuncMeta;
vFuncMeta["address"] = new Metadata(funcAddr);
return new Metadata(vFuncMeta);
}
VirtualFunctionInfo VirtualFunctionInfo::DeserializedMetadata(const Ref<Metadata> &metadata)
{
std::map<std::string, Ref<Metadata> > vFuncMeta = metadata->GetKeyValueStore();
VirtualFunctionInfo vFuncInfo = {vFuncMeta["address"]->GetUnsignedInteger()};
return vFuncInfo;
}
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