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Questions tagged [demangler]

38 questions
3
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1 answer

c++ : convert symbols to code line numbers programmatically

I'm developing under Linux/gcc I currently use the following to get a stack trace on custom thrown exceptions. Demangled functions names and line numbers are as expected, but I would like to avoid the use of addr2line to have a full control on the…
Gauthier Boaglio
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How reliable is the format of demangled names?

I am working on a pretty dynamic C++ program which allows the user to define their own data structures which are then serialized in an output HDF5 data file. Instead of requiring the user to define a new HDF5 data type, I am "splitting" their data…
Tom Eichlersmith
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Does LLVM have a tool for demangling Microsoft C++ mangling?

I use LLVM on windows and I wonder if there is a command line tool to demangle MSVC C++ mangling. I am talking about command line tool like llvm-cxxfilt. I see some commits in LLVM, but not sure if those are exposed as some tool or it is just C++…
NoSenseEtAl
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Demangling with c++filt on windows - gnu-v3

I am trying to properly demangle some symbols taken from a DWARF output. On Linux, when i do c++filt --format gnu-v3. I can convert _ZZNV9SomeClass5afuncEiE1x to SomeClass::afunc(int) volatile::x On Windows, I have installed Mingw32 which includes…
Pier-Yves Lessard
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1 answer

Unresolved external symbol in Boost filesystem library (error LNK2019)

I was trying to debug a linking error LNK2019: unresolved external symbol. In order to so, I tried to list all the symbols in the library that is supposed to contain that symbol. However, I have two questions: 1) First, I am confused about how to…
Ben N.
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1 answer

boost::core::demangle on visual studio typeid().name

i'm trying to get a string reporting a class type without decoration on windows (visual studio 2010) with no success at all. Since UnDecorateName does not work i'm using boost libraries. #include #include class…
mrgiov
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Seeking STL-aware c++filt

In my development environment, I'm compiling a code base using GNU C++ 3.4.6. Code is under development, and unfortunately crashes now and then. It's nice to be able to run the traceback through a demangler, and I use c++filt 3.4. The problem comes…
Don Wakefield
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1 answer

Debugging DMD Generate Program through GDB

I'm trying to debug my first program in D compiled using dmd -debug hello.d but when I run the executable through GDB-7.6 it doesn't seem to know where to find the source code and decode the format of the stack trace (and its name-demangling). Is…
Nordlöw
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Prevent Perf Name Demangling

I use Perf to extract callgraphs for an evince benchmark (which is written in C++). By default, Perf demangles function names in the callgraph. But this is not what is prefered. Because I feed function names to GDB which requires mangled names. Is…
TheAhmad
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C equivalent for __cxa_demangle for gcc?

I have used the following function in the past to demangle c++ symbols it has proved very useful: char* __cxa_demangle(const char* __mangled_name, char* __output_buffer, size_t* __length, int* __status); Now I work on a C application that uses gcc,…
ericcurtin
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Unable to demangle while trying to remote debug C++ with vscode

I am trying to debug remote application with vscode insiders and ssh remote. If I set "externalConsole": true in launch.json it doesn't work at all. If I set it to false it works, but breakpoints are impossible. If I set "stopAtEntry": true it…
Dims
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Demangling and results in "ambiguous reference to __gnu_gxx namespace"

When I need to print type info at runtime, I always apply demangling to std::type_info::name() result. This is the implementation for GCC, which uses abi::__cxa_demangle(): #include GCC demangling implementation std::string demangle( …
Manu343726
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Where is the implementation of abi::__cxa_demangle in libstdc++

GNU's libstdc++ provides the function abi::__cxa_demangle. The declaration of this function can be found in gcc / libstdc++-v3 / libsupc++ / cxxabi.h (code repository here) I am interested in reviewing the implementation of this function but I am…
ChrisG
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How can you demangle QStringList in Qt6, so it does not convert to "QList"?

I have been using this function for quite some time in Qt5: static QString demangle( const QString &name ) { int status; std::unique_ptr< char, void(*)( void* ) > res ( abi::__cxa_demangle( name.toLatin1(), nullptr, nullptr, &status…
Anon
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C++ filt not working. C++ name demangling

a symbol in linkmap file 0x10AEB7A48 0x00000034 [14199]…
Learing
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