[Lazarus] Single-stepping assembler

[Martin]

On 12/09/2011 17:01, Mark Morgan Lloyd wrote:
> Mark Morgan Lloyd wrote:
>> Martin wrote:
>>> Ok, the below code, emualtes the pseudoterminal handling => the read 
>>> is supposed to bne none blocking.
>>>
>>> maybe some of the constants are indeed wrong for your system 
>>> (endianess)?
>>
>> Thanks, I'll work on that as soon as I have time. If it were a simple 
>> endianness issue I'd expect PPC (PowerPC, in an old Mac)  to fail.
>
> >>   O_NONBLOCK = &04000;
>
> For some reason that reminded me of a discussion of serial access on 
> OSX in the fpc-pascal ML a few days ago. Nobody actually said in that 
> thread that that varied by architecture, but a bit of Googling got me 
> http://comments.gmane.org/gmane.linux.kernel/1093174 hence on one of 
> my systems
>
> $ find . -name fcntl.h -exec grep O_NONBLOCK \{\} \; -print
>
> #define O_NONBLOCK      0x4000
> ./include/asm-sparc64/fcntl.h
>
> etc. Also fpc/.../linux/ostypes.inc specifically has a different value 
> for SPARC... GOK who's originally responsible for that inconsistency.
>

I added a ifdef, as found in the fpc source.

Most curious that it depends on CPUsparc , instead of OSsomething.

Since I have no means of testing, could I asked you, please?