* Auto variables display
@ 2005-09-01 17:10 Konstantin Karganov
2005-09-01 17:58 ` Daniel Jacobowitz
2005-09-02 6:52 ` Vladimir Prus
0 siblings, 2 replies; 3+ messages in thread
From: Konstantin Karganov @ 2005-09-01 17:10 UTC (permalink / raw)
To: gdb
Hello, All.
In MS Visual Studio debugger there is a very convenient feature - "Auto"
watch window tab, which displays the variables, referenced at the current
program statement. I.e. when you step across "i=j;" it displays i and j,
when you step across "x=f(a+b,*c)" displays a,b and c, etc.
This allows to see automatically just the values that affect current step
execution and see the error when and where it happens.
The question is: does GDB support something like this and also are
there the debug info formats that provide the mapping of the source lines
(or code addresses) to the set of variables, references at the point?
TIA,
Konstantin.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Auto variables display
2005-09-01 17:10 Auto variables display Konstantin Karganov
@ 2005-09-01 17:58 ` Daniel Jacobowitz
2005-09-02 6:52 ` Vladimir Prus
1 sibling, 0 replies; 3+ messages in thread
From: Daniel Jacobowitz @ 2005-09-01 17:58 UTC (permalink / raw)
To: Konstantin Karganov; +Cc: gdb
On Thu, Sep 01, 2005 at 09:10:48PM +0400, Konstantin Karganov wrote:
> Hello, All.
>
> In MS Visual Studio debugger there is a very convenient feature - "Auto"
> watch window tab, which displays the variables, referenced at the current
> program statement. I.e. when you step across "i=j;" it displays i and j,
> when you step across "x=f(a+b,*c)" displays a,b and c, etc.
> This allows to see automatically just the values that affect current step
> execution and see the error when and where it happens.
>
> The question is: does GDB support something like this and also are
> there the debug info formats that provide the mapping of the source lines
> (or code addresses) to the set of variables, references at the point?
As far as I know, no and no.
--
Daniel Jacobowitz
CodeSourcery, LLC
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Auto variables display
2005-09-01 17:10 Auto variables display Konstantin Karganov
2005-09-01 17:58 ` Daniel Jacobowitz
@ 2005-09-02 6:52 ` Vladimir Prus
1 sibling, 0 replies; 3+ messages in thread
From: Vladimir Prus @ 2005-09-02 6:52 UTC (permalink / raw)
To: gdb
Hi Konstantin,
> Hello, All.
>
> In MS Visual Studio debugger there is a very convenient feature - "Auto"
> watch window tab, which displays the variables, referenced at the current
> program statement. I.e. when you step across "i=j;" it displays i and j,
> when you step across "x=f(a+b,*c)" displays a,b and c, etc.
> This allows to see automatically just the values that affect current step
> execution and see the error when and where it happens.
>
> The question is: does GDB support something like this and also are
> there the debug info formats that provide the mapping of the source lines
> (or code addresses) to the set of variables, references at the point?
I suspect that MS debugger does not have such information either, and merely
looks at all identifiers at the current line and tries to fetch them. That
should be possible to implement using gdb, as well.
- Volodya
^ permalink raw reply [flat|nested] 3+ messages in thread
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