[Bug binutils/10924] Bug in objdump when disassembling raw armv4t binaries

[chris at seberino dot org]

------- Additional Comments From chris at seberino dot org  2009-12-11 18:17 
-------
Subject: Re:  Bug in objdump when disassembling raw
        armv4t binaries

On Fri, Dec 11, 2009 at 05:48:59PM -0000, drow at false dot org wrote:
>
> ------- Additional Comments From drow at false dot org  2009-12-11 17:48 
> -------
> Subject: Re:  Bug in objdump when disassembling raw
>  armv4t binaries
>
> On Fri, Dec 11, 2009 at 05:25:25PM -0000, chris at seberino dot org wrote:
> > I don't think the following is UNPREDICTABLE.  Every load and store that has
> > Rd == Rn isn't UNPREDICTABLE.  That only applies if the W and P bits are 
> > set.
> > Or, if it is one of the "t" variants like strt.
> >
> > 2fc:    004000bf        strheq  r0, [r0], #-15  ; <UNPREDICTABLE>
>
> My copy of the manual doesn't say this is unpredictable - but it
> doesn't say what it means, either.

I think unspecified should be flagged as UNPREDICTABLE since we can't predict
what it will do.

cs


-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=10924

------- You are receiving this mail because: -------
You are on the CC list for the bug, or are watching someone who is.