https://issues.dlang.org/show_bug.cgi?id=14698

Rainer Schuetze <r.sagitario@gmx.de> changed:

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--- Comment #1 from Rainer Schuetze <r.sagitario@gmx.de> ---
Actually, you can get that already by piping the assembly output through ddemangle. Set the disassembly command to something like:

"$(VCINSTALLDIR)\bin\dumpbin" /disasm:nobytes "$(InputPath)" | ddemangle
>"$(TargetPath)"

Maybe this should even be the default, though I'm unsure ddemangle is distributed with LDC or GDC.

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https://issues.dlang.org/show_bug.cgi?id=14698

weaselcat <r9shackleford@gmail.com> changed:

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--- Comment #2 from weaselcat <r9shackleford@gmail.com> ---
@Rainer

GDC is generally bundled with binutils which includes D symbol demangling in the relevant tools(e.g, c++filt, objdump, etc)

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https://issues.dlang.org/show_bug.cgi?id=14698

--- Comment #3 from Rainer Schuetze <r.sagitario@gmx.de> ---
> GDC is generally bundled with binutils which includes D symbol demangling in the relevant tools(e.g, c++filt, objdump, etc)

I don't see any D demangling support in objdump/c++filt in the latest GDC build I could find at http://gdcproject.org/downloads. Any hidden option I should use?

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https://issues.dlang.org/show_bug.cgi?id=14698

Iain Buclaw <ibuclaw@gdcproject.org> changed:

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--- Comment #4 from Iain Buclaw <ibuclaw@gdcproject.org> ---
(In reply to Rainer Schuetze from comment #3)
> > GDC is generally bundled with binutils which includes D symbol demangling in the relevant tools(e.g, c++filt, objdump, etc)
> 
> I don't see any D demangling support in objdump/c++filt in the latest GDC build I could find at http://gdcproject.org/downloads. Any hidden option I should use?

-s dlang or --format=dlang

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https://issues.dlang.org/show_bug.cgi?id=14698

--- Comment #5 from Rainer Schuetze <r.sagitario@gmx.de> ---
Maybe the Windows versions don't have it?

I tried

>"c:\l\GDC-2.066\bin\c++filt.exe" --version
GNU c++filt (crosstool-NG 1.20.0 - 20150413-2.066.1-f378f9ab41) 2.23.1

>"c:\l\GDC-2.066\bin\c++filt.exe" --format=dlang
c:\l\GDC-2.066\bin\c++filt.exe: unknown demangling style `dlang'

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https://issues.dlang.org/show_bug.cgi?id=14698

--- Comment #6 from Iain Buclaw <ibuclaw@gdcproject.org> ---
(In reply to Rainer Schuetze from comment #5)
> Maybe the Windows versions don't have it?
> 
> I tried
> 
> >"c:\l\GDC-2.066\bin\c++filt.exe" --version
> GNU c++filt (crosstool-NG 1.20.0 - 20150413-2.066.1-f378f9ab41) 2.23.1
> 
> >"c:\l\GDC-2.066\bin\c++filt.exe" --format=dlang
> c:\l\GDC-2.066\bin\c++filt.exe: unknown demangling style `dlang'

Support was added in binutils 2.25

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https://issues.dlang.org/show_bug.cgi?id=14698

--- Comment #7 from Manu <turkeyman@gmail.com> ---
What will happen for binaries with both D and C++ symbols?

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https://issues.dlang.org/show_bug.cgi?id=14698

--- Comment #8 from Rainer Schuetze <r.sagitario@gmx.de> ---
> What will happen for binaries with both D and C++ symbols?

Good question. I was just about to adapt the demangling of linker messages to fit this use case aswell, but C++ symbols are not supported (nor by ddemangle which also doesn't support compressed symbols on Win32). Having two different C++ manglings is not so great, too.

For gdc builds you could chain two calls to c++filt if a binary is available.

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https://issues.dlang.org/show_bug.cgi?id=14698

--- Comment #9 from Rainer Schuetze <r.sagitario@gmx.de> ---
> Support was added in binutils 2.25

I've build this version, but noticed that it doesn't demangle full text files, just the arguments given on the command line. Instead, it reports "Internal error: no symbol alphabet for current style". That has an easy fix, though.

As cxxfilt will very likely never support compressed symbols aswell as MS mangled symbols, I've compiled my own version supporting all 3 manglings (D/gcc/cl) including compression.

Disassembly with demangled symbols is now enabled if the global option "Demangle symbols in linker messages/disassembly" is checked. Try it in https://github.com/D-Programming-Language/visuald/releases/tag/v0.3.42-beta2

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https://issues.dlang.org/show_bug.cgi?id=14698

--- Comment #10 from Manu <turkeyman@gmail.com> ---
Seems to be working great now!

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