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

[nickc at redhat dot com]

------- Additional Comments From nickc at redhat dot com  2009-11-18 09:14 
-------
Hi Chris,

> On another note, do you have any tricks to make me feel confident we aren't
> introducing bugs?

Tricks no.  But the newly patched disassembler does not introduce any
regressions into the GAS testsuite for any of the ARM based toolchains.  (I
checked).

> I don't suppose ARM has a blessed disassembler we can compare against?

They do have a disassembler, if you are prepared to pay for it.  

If anyone does have access to this tool and notices any discrepancies when
comparing the results against objdump then they are free to report them and I
will be happy to investigate.

>  Or, do you have rock solid comprehensive unit tests against gas?

Rock solid, no.  Reasonable yes.  The gas testsuite does not check every
possible legal and illegal ARM binary pattern, but it does cover a reasonable
range of the instructions.

Cheers
  Nick
 

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

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