[LLVMdev] Compiling glibc with LLVM

[James Molloy]

Hi Nipun,

 

As you say, glibc is rather GCC -oriented. I certainly haven't tried this
myself, but have you thought of using an alternate C library such as RedHat
newlib? That can certainly be compiled by clang (we do it every night).

 

Cheers,


James

 

From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu] On
Behalf Of Nipun Arora
Sent: 26 January 2012 15:54
To: LLVM Developers Mailing List
Subject: [LLVMdev] Compiling glibc with LLVM

 

Hi,

 

I read on the gentoo website  <http://en.gentoo-wiki.com/wiki/Llvm>
http://en.gentoo-wiki.com/wiki/Llvm that glibc cannot be compiled using llvm
because of some GNU extensions which LLVM does not support.

 

Has there been any success in compiling glibc using LLVM so as to get the
bytecode?

We are looking to do whole program analysis to look at control flows
including those in libc... we were hoping that we could get the control
flows using LLVM API's for glibc.

 

Has anyone tried this before?

 

Thanks

Nipun
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