[llvm] r211639 - Print a=b as an assignment.

[Rafael Espíndola]

The extra relocations seem to be avoided by r212101. Can you check if
that makes a difference?

On 2 July 2014 10:29, Daniel Sanders <Daniel.Sanders at imgtec.com> wrote:
> The problem appears to the contents of .gcc_except_table after relocations
> are applied in the final link. I haven't figured out why yet, but the
> integrated assembler is emitting five R_MIPS_32 relocations with a value of
> '.text' to offsets 0x7, 0xb, 0x14, 0x1c, and 0x21. Binutils doesn't emit any
> relocations. Obviously these should either be label differences or they
> should be resolved by the integrated assembler but also I believe the last
> four ought to be at offsets 0xc, 0x15, 0x1d, and 0x22.
>
>
>
> From: llvm-commits-bounces at cs.uiuc.edu
> [mailto:llvm-commits-bounces at cs.uiuc.edu] On Behalf Of Daniel Sanders
> Sent: 02 July 2014 12:49
> To: Doug Gilmore; Rafael Espíndola
>
>
> Cc: llvm-commits
> Subject: RE: [llvm] r211639 - Print a=b as an assignment.
>
>
>
> I had a look yesterday afternoon and I have an assembly file (attached) that
> when used in the link for the simple_throw test, works with binutils and
> crashes with '–fintegrated-as –via-file-asm'. There seem to be a few
> differences between the two objects but the assignments seemed to be working
> fine. The most suspicious looking difference was the two bytes difference in
> the .eh_frame section. Patching the .eh_frame section to match the binutils
> output with a hex editor doesn't seem to fix the problem though. That's as
> far as I've got at the moment, I'll take another look when I get chance.
>
>
>
>> -----Original Message-----
>
>> From: llvm-commits-bounces at cs.uiuc.edu [mailto:llvm-commits-
>
>> bounces at cs.uiuc.edu] On Behalf Of Doug Gilmore
>
>> Sent: 29 June 2014 22:55
>
>> To: Rafael Espíndola
>
>> Cc: llvm-commits
>
>> Subject: RE: [llvm] r211639 - Print a=b as an assignment.
>
>>
>
>> >From: Rafael Espíndola [rafael.espindola at gmail.com]
>
>> >Sent: Sunday, June 29, 2014 1:25 PM
>
>> >To: Doug Gilmore
>
>> >Cc: llvm-commits
>
>> >Subject: Re: [llvm] r211639 - Print a=b as an assignment.
>
>> >
>
>> >>> Is this using mips16 or micromips? ".set mips16" in particular
>
>> >>> doesn't seem to be implemented for example.
>
>> >> It is just normal mips32.
>
>> >
>
>> >Interesting. The original message (r170279) made it look like a mip16
>> > issue.
>
>> >
>
>> >Do you have a testcase where gas produces a working file but MC is
>
>> broken?
>
>> There doesn't appear to be.  Sorry for the lack of debugging input on our
>
>> end, we are a bit swamped at the moment.  In the next day or so we should
>
>> be in the position to put more resources on the problem so that we can
>> find
>
>> the root cause.
>
>>
>
>> Thanks,
>
>>
>
>> Doug
>
>> >
>
>> >Cheers,
>
>> >Rafael
>
>>
>
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