GDB MI - differences in -var-create output

GDB MI - differences in -var-create output

[Eran Ifrah]

Hi List,
This is my first post here, so I hope that this is the correct place
to ask this.

I have developed a GDB plugin for my IDE using the GDB Machine Interface.

I have tested the plugin under Linux and Windows and it seems to
function very good. However, under Mac OSX (10.5.2) (it works well,
but only after I tweaked my GDB MI output parser a bit) the GDB MI
output is a bit difference than the other OSs, for example, running
this command:

-var-create - * <expression>
under Linux & Windows, provides the same output like this:
^done,name="var2",numchild="1",value="{...}",type="orxAABOX"

However, under Mac I get this:
^done,name="var2",numchild="1",type="orxAABOX"

Note the missing 'value={...}' part.

another difference, is in the -data-read-memory command output, On
Windows & Linux, I get this:

...{addr="0x003d3e28",data=["0x00","0xab","0xab","0xab"],ascii="xxxx"}...

But On Mac:
...{addr="0x003d3e28",data={"0x00","0xab","0xab","0xab"},ascii="xxxx"}...

Note the change between square brackets & curly brackets just after
the 'data=' part.

My question is this: is this a bug or by design, cause I hate leaving
parts of my code under #if __MAC__ / #endif


--
Eran Ifrah
eran.ifrah@gmail.com



--
Eran Ifrah
eran.ifrah@gmail.com

Re: GDB MI - differences in -var-create output

[Nick Roberts]

 > I have developed a GDB plugin for my IDE using the GDB Machine Interface.
 > 
 > I have tested the plugin under Linux and Windows and it seems to
 > function very good. However, under Mac OSX (10.5.2) (it works well,
 > but only after I tweaked my GDB MI output parser a bit) the GDB MI
 > output is a bit difference than the other OSs, for example, running
 > this command:
 > 
 > -var-create - * <expression>
 > under Linux & Windows, provides the same output like this:
 > ^done,name="var2",numchild="1",value="{...}",type="orxAABOX"
 > 
 > However, under Mac I get this:
 > ^done,name="var2",numchild="1",type="orxAABOX"
 > 
 > Note the missing 'value={...}' part.

Apple have their own version of GDB which they use for Xcode.  Their info
manual documents some (but not all) of the differences with FSF GDB.

 > My question is this: is this a bug or by design, cause I hate leaving
 > parts of my code under #if __MAC__ / #endif

It's not exactly design as I think Apple merge in some changes from the FSF
repository.  It's just that the two versions have diverged somewhat.


-- 
Nick                                           http://www.inet.net.nz/~nickrob