Name Mangler License Code
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Is there any way to get back the mangled name from demangled name in g++.
For example , I have the demangled name func(char*, int), what should I do to get the mangled name i.e _Z4funcPci back?
My question is g++ specific.
Mat3 Answers
You can simply use g++ to compile an empty function with the signature you require and extract the name from that. For example:
gives output
which is I think what you require. Make sure that you include any relevant header files as they will affect the way the symbols are mangled.
Based on the Bojan Nikolic's approach, here's a better script:
mangle.bash:
Use:
But as to constructors and destructors, remember that there are C0 C1 C2 and D0 D1 D2 ones.
1844674407370955161518446744073709551615What's worst, sometimes you cannot mangle a name because you must get more than one result.
See https://reverseengineering.stackexchange.com/q/4323/4398 (there are multiple destructors in VFT, and all of them are demangled as ClassName::~ClassName()). (The same applies to constructors, I have seen C0 and C2 constructors.)
On the other hand, that answer references the Itanium ABI: https://refspecs.linuxbase.org/cxxabi-1.75.html#mangling-type where mangling is specified.
The itanium-abi Haskell package: it did not work for me (May 2014)Midi dangdut untuk organ tunggal.
There is a Haskell package http://hackage.haskell.org/package/itanium-abithat promises both demangling and mangling, but I could run only the demangling:
Installation on Ubuntu Precise:
Then you run ghci and after import ABI.Itanium and import Data.Either you get:
There is mangleName, but it takes a DecodedName which is a data structure rather than a string, and that data structure is produced only by demangleName (unless I overlooked something). Hopefully, this will get better in some future release.
The clang code
I did not try the clang code.
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