On Thu, 06 Jun 2019 08:22:55 +0900,
Jeff Law wrote:
>
> [1 <text/plain; utf-8 (7bit)>]
> On 6/3/19 11:01 AM, Yoshinori Sato wrote:
> > On Sun, 02 Jun 2019 22:12:37 +0900,
> > Oleg Endo wrote:
> >>
> >> On Sun, 2019-06-02 at 20:26 +0900, Yoshinori Sato wrote:
> >>> On Fri, 31 May 2019 09:16:18 +0900,
> >>> Jeff Law wrote:
> >>>>
> >>>> On 5/29/19 12:27 PM, Jeff Law wrote:
> >>>>> On 5/23/19 6:05 AM, Yoshinori Sato wrote:
> >>>>>> I ported linux kernel to Renesas RX.
> >>>>>>
> >>>>>> rx-*-elf target output a binary different from the standard
> >>>>>> ELF.
> >>>>>> It has the same format as the Renesas compiler.
> >>>>>>
> >>>>>> But the linux kernel requires the standard ELF format.
> >>>>>> I want to define a rx-*-linux target so that I can generate
> >>>>>> a standard ELF binary.
> >>>>>
> >>>>> Presumably you're resubmitting after your assignment got recorded
> >>>>> (I
> >>>>> think I saw that fly by recently).
> >>>>>
> >>>>> I'll construct a ChangeLog and install this on the trunk.
> >>>>
> >>>> So this is causing libgcc to fail to build for rx-elf. The problem
> >>>> is
> >>>> the DF=SF #define. I think you need so split that out so that it's
> >>>> only
> >>>> used for rx-linux.
> >>>>
> >>>> Jeff
> >>>
> >>> OK. fix it.
> >>> I tried build rx-elf target. it success.
> >>>
> >>
> >> Setting DF=SF is the wrong thing to do IMHO. RX can do DF just fine in
> >> software. If this is hardcoded like that in the roots of the
> >> toolchain, it will make compiling packages that actually need real DF
> >> completely impossible, won't it? We also don't set DI = SI just
> >> because the hardware is bad at SI ...
> >>
> >> Just my 2 cents.
> >>
> >> Cheers,
> >> Oleg
> >>
> >
> > OK.
> > I was misunderstood.
> > I think this is not a problem.
> [ ... ]
> THanks. Give we already had your original patch in the source tree, I
> extracted just the new bits and committed them. I'm attaching the
> changes for archival purposes.
>
> Jeff
OK. Thanks.
It can build linux kernel.
> [2 P <text/plain; UTF-8 (base64)>]
> commit aafb499477a6f23d01c4c048c20c8833a801396a
> Author: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
> Date: Wed Jun 5 23:20:27 2019 +0000
>
> * config.host (rx-*-linux*): Add t-fdpbit to tmake_file
> Add appropriate tm_file clause as well.
> * config/rx/t-rx (HOST_LIBGCC2_CFLAGS): Remove.
>
> git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271978
> 138bc75d-0d04-0410-961f-82ee72b054a4
>
> diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
> index 82c124f8ece..93cdcda3284 100644
> --- a/libgcc/ChangeLog
> +++ b/libgcc/ChangeLog
> @@ -1,3 +1,9 @@
> +2019-06-05 Yoshinori Sato <ys...@users.sourceforge.jp>
> +
> + * config.host (rx-*-linux*): Add t-fdpbit to tmake_file
> + Add appropriate tm_file clause as well.
> + * config/rx/t-rx (HOST_LIBGCC2_CFLAGS): Remove.
> +
> 2019-06-05 James Clarke <jrt...@jrtc27.com>
>
> * config/ia64/crtbegin.S (__dso_handle): Put in .sdata/.sbss
> diff --git a/libgcc/config.host b/libgcc/config.host
> index ff2f0fa1e58..d75e2b5d7aa 100644
> --- a/libgcc/config.host
> +++ b/libgcc/config.host
> @@ -1212,7 +1212,8 @@ rx-*-elf)
> tm_file="$tm_file rx/rx-abi.h rx/rx-lib.h"
> ;;
> rx-*-linux*)
> - tmake_file="rx/t-rx"
> + tmake_file="rx/t-rx t-fdpbit"
> + tm_file="$tm_file rx/rx-lib.h"
> ;;
> s390-*-linux*)
> tmake_file="${tmake_file} s390/t-crtstuff s390/t-linux
> s390/32/t-floattodi t-stack s390/t-stack-s390"
> diff --git a/libgcc/config/rx/t-rx b/libgcc/config/rx/t-rx
> index 34cdc97cc03..ace3b16f39e 100644
> --- a/libgcc/config/rx/t-rx
> +++ b/libgcc/config/rx/t-rx
> @@ -23,7 +23,6 @@
> # the normal libgcc sources:
>
> LIB2ADD = $(srcdir)/config/rx/rx-abi-functions.c
> -HOST_LIBGCC2_CFLAGS += -DDF=SF
>
>
> # We need special handling of the floating point conversion
--
Yosinori Sato
