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Re: Porting newlib

From: Anthony Green <green at moxielogic dot com>
To: "Marshall B. Rogers" <mbr at 64 dot vg>
Cc: Venkataramanan Kumar <gcc dot venkat31 at gmail dot com>, newlib at sources dot redhat dot com
Date: Sat, 02 May 2009 11:21:50 -0400
Subject: Re: Porting newlib
References: <da973c750905020519i42c595abta8f600555bfe9dce@mail.gmail.com> <f9669fd00905020522j140f783dpa3bfc565b1a6d968@mail.gmail.com>

On Sat, 2009-05-02 at 14:22 +0200, Marshall B. Rogers wrote:
> I've never done anything like this myself, but this page should have
> the information you need:
> http://wiki.osdev.org/Porting_Newlib
> Hope it helps.

I think the crt0.S on that page is a little too thin.  You may also want
to fill the BSS section with 0x00 and call __init prior to main in order
to invoke static constructors and the like.

AG



> 
> Regards,
> Marshall
> 
> On Sat, May 2, 2009 at 2:19 PM, Venkataramanan Kumar
> <gcc.venkat31@gmail.com> wrote:
> > I am trying to build run time C library for my 32 bit RISC. I have
> > ported the GCC compiler, the libgcc.a library and binutils.
> >
> > I want to build some applications using the ported GCC tool chain. I
> > am planning to run them in GDB.
> >
> > My search in the web said that I need to crt0.s.
> >
> > Can you brief me on  crt0.s and on porting newlib. My architeture is MIPS based.
> >
> > Regards,
> > Venkat
> >

References:
- Porting newlib
  - From: Venkataramanan Kumar
- Re: Porting newlib
  - From: Marshall B. Rogers

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