[cfe-dev] GSoC 2012 project idea: PDB format support.

[Bryce Cogswell]

Does that have documentation? It looked to me like it was just source for managed code wrappers for dbghelp.dll


On Mar 24, 2012, at 2:38 PM, Joe Abbey <jabbey at arxan.com> wrote:

> Wow, I stand corrected... Thanks Sandeep!
> 
> Joe
> 
> On Mar 23, 2012, at 5:07 PM, Sandeep Patel wrote:
> 
>> It looks like the format is pretty well described at
>> http://ccimetadata.codeplex.com
>> 
>> deep
>> 
>> On Fri, Mar 23, 2012 at 6:54 PM, Joe Abbey <jabbey at arxan.com> wrote:
>>> The PDB file format is historically undocumented.  We've been trying to get
>>> a copy of the spec for years, and have even held several calls with MSFT
>>> compiler teams and they've been unwilling to provide documentation.  I'm
>>> thinking this alone is a blocker to complete any forward progress on this
>>> effort.
>>> 
>>> The DIA SDK does provide PDB reading capabilities, but no emission.  While I
>>> agree that it would be extraordinarily cool to have, unless you want to
>>> reverse engineer the proprietary format, I'm afraid it's a dead-end.
>>> 
>>> Joe
>>> 
>>> Joe Abbey
>>> Director of S/W Development
>>> Arxan Technologies, Inc.
>>> 1305 Cumberland Ave, Ste 215
>>> West Lafayette, IN 47906
>>> jabbey at arxan.com
>>> www.arxan.com
>>> 
>>> On Mar 23, 2012, at 2:43 PM, David Chisnall wrote:
>>> 
>>> On 23 Mar 2012, at 17:42, Svyatoslav Kuzmich wrote:
>>> 
>>> I would like to implement support of VIsual Studio debug info format (*.pdb)
>>> as part of Google SoC 2012.
>>> 
>>> Is it suitable for Clang? Is there someone who want to mentor for this
>>> project?
>>> 
>>> 
>>> It certainly sounds interesting and worthwhile, but it would be a pretty
>>> huge project - I don't think you could expect to complete it in the 10 weeks
>>> of the GSoC.  Have you looked at the complexity of the existing debug info
>>> stuff in LLVM (this is more of an LLVM project than a clang one, since clang
>>> would emit the same debug info to the IR, it would just be translated
>>> differently into the final output) and do you have documentation for the pdb
>>> format?  For it to be a good project for the GSoC, you'd need to split it
>>> into a series of smaller steps and indicate how long you thought each one
>>> would take.
>>> 
>>> Please don't take this as discouragement - better Windows support is
>>> definitely something that we'd like to see, and being able to use Clang and
>>> the Visual Studio debugger would make a lot of people I know happy...
>>> 
>>> David
>>> 
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>>> 
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> 
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