Re: [PATCH] Handle errors in tracepoint target agent

[Stan Shebs <stan@codesourcery.com>]

Pedro Alves wrote:
> On Thursday 25 March 2010 22:30:31, Stan Shebs wrote:
>   
>>> FIXME?  If not important, or if this just need to be as big enough
>>> to cope with all supported archs, then we should drop the FIXME note,
>>> and explain that instead.
>>>   
>>>       
>> I was thinking somebody might know of a clever way for the compiler to 
>> get it into the test program...
>>     
>
> You could pass it down to gdb_compile as an extra #define
> from the .exp, using additional_flags for example:
>
>  additional_flags=-DREGBLOCK_SIZE=$regblocksize
>
> Is there a way to query GDB for this size, so the
> .exp can get at it?  If not, maybe we can add a maintenance
> command for this?  A fixed size per target doesn't
> quite cut it, considering extended register sets, and
> target descriptions.
>   
Ugh. Given that this is a file format, and more particularly a type of 
file that we could get handed by users, I'm thinking I want to go back 
and tweak GDB to not care about its value much, and only require it to 
match the size of any fixed-size register blocks present in the trace file.

Stan