* I/O mechanism in libGDB
@ 2003-03-09 11:24 Nimesh D Chanchani
2003-03-25 22:28 ` Andrew Cagney
0 siblings, 1 reply; 2+ messages in thread
From: Nimesh D Chanchani @ 2003-03-09 11:24 UTC (permalink / raw)
To: gdb
Hi,
I found your id from google groups. Thank god i found it.
well... I am required to upgrade gdb implementation 4.17 for zsp
processor to libGDB implementation for GDB 5.2.
I was going through API specification of libGDB in the one of the
only
2 documents available on the web.
http://www.cs.utah.edu/dept/old/texinfo/libgdb/libgdb_toc.html#SEC4
I had some queries about the i/o mechanism used in libGDB .
what my understanding is that when for example the GDB gives the
information on the terminal about (say) a recently created
break
point, it would have to be parsed by a libGDB API function and
give it
to the GUI in a "STANDARD FORMAT" irrespective of the version of
GDB
being used.
for this the document
http://www.cs.utah.edu/dept/old/texinfo/libgdb/libgdb_toc.html#SEC4
specifies that a structure of function pointers should be used
for
output.
struct gdb_output_vector
{
/* output */
void (*put_string) (struct gdb_output_vector *, char * str);
}
I couldn't quiet understand the need for such a complicated
mechanism ,
more over I couldn't get the significance of both the input
parametres.
actually i didn't get how does one implement the i/o mechanism in
the
mentioned way.
can you please help me out with this......any help will be
greatly
appreciated.
Thanking in advance
Nimesh Chanchani
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: I/O mechanism in libGDB
2003-03-09 11:24 I/O mechanism in libGDB Nimesh D Chanchani
@ 2003-03-25 22:28 ` Andrew Cagney
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Cagney @ 2003-03-25 22:28 UTC (permalink / raw)
To: Nimesh D Chanchani; +Cc: gdb
> Hi,
>
> I found your id from google groups. Thank god i found it.
> well... I am required to upgrade gdb implementation 4.17 for zsp
>
> processor to libGDB implementation for GDB 5.2.
>
> I was going through API specification of libGDB in the one of the only
>
> 2 documents available on the web.
>
> http://www.cs.utah.edu/dept/old/texinfo/libgdb/libgdb_toc.html#SEC4
Um, that is 10 years old :-/ You should look through:
http://sources.redhat.com/gdb/documentation/
In particular the internals (where it describes the ui-out object), and
the GDB/MI section of the user guide.
Andrew
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