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Re: [PATCH 3/3] SH-2A FDPIC: backend support
- From: Kaz Kojima <kkojima at rr dot iij4u dot or dot jp>
- To: ams at codesourcery dot com
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Fri, 20 Aug 2010 17:41:37 +0900 (JST)
- Subject: Re: [PATCH 3/3] SH-2A FDPIC: backend support
- References: <4C6D5727.5020407@codesourcery.com>
Andrew Stubbs <ams@codesourcery.com> wrote:
> This patch adds FDPIC support for SH-2A uClinux. The binutils patch was
> already accepted and committed.
>
> The result is a functional compiler that will build a working
> busybox-based uClinux system, and pass the majority of the tests in the
> GCC testsuite. It has been tested on a Renesas SH7203.
>
> The compiler is known to be less than perfect, but it is a start and
> will provide a basis for future improvement. There is no existing SH
> FDPIC support, so this is not a regression.
>
> The ABI for the new system is published here:
> http://www.codesourcery.com/public/docs/sh-fdpic/sh-fdpic-abi.txt
>
> OK to commit?
The copyright years of
config/sh/lib1funcs.asm
config/sh/constraints.md
config/sh/sh.opt
config/sh/uclinux.h
should be updated. The target specific part is OK with
those changes. I'd like to pre-approve the possible change
of use_initial_val based on the on-going arguments with rth
if it passes the usual tests. Thanks for this work!
Regards,
kaz