llvm dev - Sep 2009 - [LLVMdev] llc - generation of native machine code

----- Original Message ----
> From aaronngray.lists at googlemail.com  Mon Jul 27 15:14:40 2009
> From: aaronngray.lists at googlemail.com (Aaron Gray)
> Date: Mon, 27 Jul 2009 21:14:40 +0100
> Subject: [LLVMdev] llc - generation of native machine code
> 
> > On Mon, Jul 27, 2009 at 8:25 AM, Rudskyy<tema13tema at yahoo.de>
wrote:
> > > But now I am looking for generation of machine code for my
target. I
have
> > > seen, that ?llc? has option "-filetype".
> > >
> > > It has default value "-filetype=asm", but has more
values, as
> > > "-filetype=obj" and "-filetype=dynlib".
> > >
> > > ?obj? is very interesting, but it till not supported L
> >
> > There's work in progress to make this work properly, but it's
still a
> > while off.  See http://wiki.llvm.org/Direct_Object_Code_Emission .
> >
> Hi,
> 
> We are "short circuiting" alot of this work in order to hopefully
get
basic
> working ELF and COFF writers into the next release of LLVM. Alot of the
DOCE
> work is toward a longer goal of providing linkers for LLVM.
> It is best to talk to Chris Lattner and Bruno Cardoso about the ELF
writer.
> You would need to add support for you target CPU such as relocation
> information and debugging information.
> 
> Bruno is working on his GSoC project and will be doing both ELF and DWARF
> support, the DWARF support probably wont be ready until the end of
September
> though.
> 
> There is very basic functioning ELF for X86 on SVN now. Patches for other
> target archetectures are most welcome
 

Hi Aaron!

 

I have seen on SVN a last version. Yes! It supports now ELF for X86,
perfect! But debug information ( .debug - sections) not implemented. I am
looking for a possibility to use a LLVM with a debugger GDB. And GDB works
with DWARF debug information. 

Will be continue a work with ELF-Writer for support of a debug? Or is there
any other ideas for debug? 

I will add an ELF-Writer to my project (xPEC - processor from chip NetX)!

 

Sank you!

 

--Tema

 

Best regards,

Artem Rudskyy

 <http://www.uni-magdeburg.de/ieat/robotslab/>
http://www..uni-magdeburg.de/ieat/robotslab/

 <http://www.uni-magdeburg.de/> http://www.uni-magdeburg.de/

 

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Hi Rudskyy,
> I have seen on SVN a last version. Yes! It supports now ELF for X86,
> perfect! But debug information ( .debug – sections) not implemented. I am
> looking for a possibility to use a LLVM with a debugger GDB. And GDB works
> with DWARF debug information.
>
> Will be continue a work with ELF-Writer for support of a debug? Or is there
> any other ideas for debug?
The support for debug and EH will come when the x86 code emitter is
integrated with llvm-mc stuff, don't know how much long that will take.

Cheers,

-- 
Bruno Cardoso Lopes
http://www.brunocardoso.cc