* MI: "print /c whatever"
@ 2006-01-30 13:32 Vladimir Prus
2006-02-06 23:42 ` Daniel Jacobowitz
0 siblings, 1 reply; 2+ messages in thread
From: Vladimir Prus @ 2006-01-30 13:32 UTC (permalink / raw)
To: gdb
Hi!
It seems like MI has no command that's equivalent to "print /c whatever",
that is, printing using character format.
The -data-evaluate-expression does not accept format specifier, and the
-var-set-format does not allow to specify character format (that's with CVS
code state).
So:
1. Can anybody suggest a workaround that works with gdb 6.3 and 6.4?
2. What's the best fix -- adding format specifier to
-data-evaluate-expression (note that -data-list-changed-registers and
-data-read-memory *do* allow format specifier), or fixing -var-set-format?
Thanks,
Volodya
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: MI: "print /c whatever"
2006-01-30 13:32 MI: "print /c whatever" Vladimir Prus
@ 2006-02-06 23:42 ` Daniel Jacobowitz
0 siblings, 0 replies; 2+ messages in thread
From: Daniel Jacobowitz @ 2006-02-06 23:42 UTC (permalink / raw)
To: Vladimir Prus; +Cc: gdb
On Mon, Jan 30, 2006 at 01:49:32PM +0300, Vladimir Prus wrote:
>
> Hi!
> It seems like MI has no command that's equivalent to "print /c whatever",
> that is, printing using character format.
>
> The -data-evaluate-expression does not accept format specifier, and the
> -var-set-format does not allow to specify character format (that's with CVS
> code state).
>
> So:
> 1. Can anybody suggest a workaround that works with gdb 6.3 and 6.4?
> 2. What's the best fix -- adding format specifier to
> -data-evaluate-expression (note that -data-list-changed-registers and
> -data-read-memory *do* allow format specifier), or fixing -var-set-format?
I don't know - but adding "character" to -var-set-format might be a
solution. Or, you can do this using the existing code:
-var-create foo * "(char) 1"
^done,name="foo",numchild="0",type="char"
(gdb)
-var-evaluate-expression foo
^done,value="1 '\\001'"
(gdb)
The character format is a bit ambiguous, as we've discussed before, I
think; I'm not sure what should be done with it.
--
Daniel Jacobowitz
CodeSourcery
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2006-01-30 13:32 MI: "print /c whatever" Vladimir Prus
2006-02-06 23:42 ` Daniel Jacobowitz
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