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RE: [PATCH v2][MIPS] fix CRT_CALL_STATIC_FUNCTION macro
- From: Matthew Fortune <Matthew dot Fortune at imgtec dot com>
- To: "Maciej W. Rozycki" <macro at linux-mips dot org>
- Cc: Petar Jovanovic <petar dot jovanovic at rt-rk dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, "Moore, Catherine (Catherine_Moore at mentor dot com)" <Catherine_Moore at mentor dot com>
- Date: Fri, 6 Feb 2015 10:56:58 +0000
- Subject: RE: [PATCH v2][MIPS] fix CRT_CALL_STATIC_FUNCTION macro
- Authentication-results: sourceware.org; auth=none
- References: <003e01d04179$ccc38bc0$664aa340$ at rt-rk dot com> <6D39441BF12EF246A7ABCE6654B0235320FCA3F1 at LEMAIL01 dot le dot imgtec dot org> <alpine dot LFD dot 2 dot 11 dot 1502061033300 dot 22715 at eddie dot linux-mips dot org>
Maciej W. Rozycki <macro@linux-mips.org> writes:
> On Thu, 5 Feb 2015, Matthew Fortune wrote:
>
> > I'm OK with this change but I'd like Catherine to comment before
> committing.
> > It seems a shame to duplicate the block of code but it is probably just
> as
> > ugly to define a macro for the la/dla instruction.
>
> Native systems have <sys/asm.h> for such ABI dependencies, including
> stuff to set up $gp. Perhaps we could reuse these bits, the licence I
> think allows us to.
That's a good idea. Perhaps I should take that on as part of some cleanup
of the MIPS backend in the next stage1. I'm looking to rework how the
ISA_HAS logic works so perhaps there would be value in doing this mostly in
a header that can also be used for assembly programmers. That would naturally
mean we get all the other nice assembly macros available in the backend of
GCC too.
Thanks,
Matthew