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

[chris at seberino dot org]

------- Additional Comments From chris at seberino dot org  2009-12-13 03:46 
-------
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:
> > 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.  The valid versions all have P == 1
> and/or W == 1.  And the post-indexed encoding is the same as strht
> encoding.

If I'm not mistaken, this instruction as well as the P=W=0 case *is* specified
in the ARM ARM.

I can send you a copy of my version ARM DDI 0100I if you wish.

The instruction above involves addressing mode 3 with immediate post-indexed
case.   That case has P=W=0.

Chris


-- 


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

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