[Bug gas/11516] Fatal error assembling jsr for Alpha ECOFF

[amodra at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=11516

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
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             Status|WAITING                     |NEW

--- Comment #3 from Rainer Orth <ro at CeBiTec dot Uni-Bielefeld.DE> ---
Subject: Re:  Fatal error assembling jsr for Alpha ECOFF

Hi Nick,

>   I am not an expert in this particular architecture.  The uploaded patch

neither am I: I just happen to maintain the GCC port to Tru64 UNIX :-)

> prevents the seg-fault, but the assembler now responds with:
>
>   Error: invalid relocation for field
>
> Is this what you would expect ?

Actually no: the native assembler assembles this just fine:

$ as -o jsr.o jsr.s
$ objdump -d jsr.o

jsr.o:     file format ecoff-littlealpha


Disassembly of section .text:

0000000000000000 <.text>:
   0:   10 80 7d a7     ldq     t12,-32752(gp)
   4:   00 40 5b 6b     jsr     ra,(t12),0x8
   8:   1f 04 ff 47     nop
   c:   00 00 fe 2f     unop

It may be related to the fact that Alpha ELF gas uses explicit relocs
and anything else suffers from bitrot.  I'd tried to enable them for the
target, but failed, cf. PR gas/11518.

Thanks.
        Rainer


--- Comment #4 from Alan Modra <amodra at gmail dot com> ---
Hmm, the top-level configure disables gas and ld for alpha-dec-osf since 1999. 
alpha-linuxecoff prior to commit df26367c793c (ie. prior to 2.24) actually
generated ELF.  Poking at this bug a little makes me think alpha-linuxecoff
ought to be marked obsolete.

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