[fpc-pascal] inline asm in fpc progran

[Jeppe Johansen]

  Err, that should be -dFPC_ARMEL of course

Den 26-08-2010 09:42, Jeppe Johansen skrev:
> Fpc should be compiled with -dFPC-ARMEL in OPT, not CROSSOPT
>
> Den 26-08-2010 07:10, Nataraj S Narayan skrev:
>> Hi Jonas
>>
>>
>> I tried a very elementary code  on arm-linux-uclibc, compiled using  
>> "ppcrossarm -TLinux -darm ttt3.pas -CfSOFT  -XParm-linux- -XR/cdrom"
>>
>> program kuraj;
>> begin
>> writeln('Hooua');
>> end.
>>
>>
>> The asm listing using -al is here: - http://pastebin.com/CG9i0x3z
>>
>> It dont work in the normal EABI kernel but works on OABI compat one.
>>
>> I got ppcrossarm using  :-
>>  gmake distclean crosszipinstall CPU_TARGET=arm OS_TARGET=linux 
>> CROSSOPT='-CfSOFT -darm -dFPC-ARMEL -gl' 
>> FPC=/usr/local/lib/fpc/2.5.1/ppc386
>>
>>
>> warm regards
>>
>> Nataraj
>>
>> On Fri, Aug 20, 2010 at 6:51 PM, Jonas Maebe 
>> <jonas.maebe at elis.ugent.be <mailto:jonas.maebe at elis.ugent.be>> wrote:
>>
>>
>>     On 20 Aug 2010, at 15:00, Nataraj S Narayan wrote:
>>
>>         On Fri, Aug 20, 2010 at 2:38 PM, Jonas Maebe
>>         <jonas.maebe at elis.ugent.be
>>         <mailto:jonas.maebe at elis.ugent.be>>wrote:
>>
>>             You probably need the "nostackframe" directive, or remove
>>             the "mov pc,lr"
>>
>>             at the end.
>>
>>             Compile the code with -al, compile equivalent Pascal code
>>             with -al and look
>>             at the differences in the generated ".s" files.
>>
>>
>>         I changed the kernel to old 2.6.30 and the code works on the
>>         Arm target!
>>
>>         That kernel  has been compiled with CONFIG_OABI_COMPAT=y.
>>         Newer kernels dont
>>         show this option, only EABI.
>>
>>         Also my ppcrossarm is :-
>>
>>         Free Pascal Compiler version 2.5.1 [2010/07/28] for arm
>>         Copyright (c) 1993-2009 by Florian Klaempfl
>>
>>         What do you make of it?
>>
>>
>>     That you did not reply to the suggestions I made in my previous
>>     message. Please say what you did and what happened, even if it
>>     didn't work. It's not nice to spend time on trying to help
>>     someone, if that person then simply ignores what you write and
>>     replies with something completely different.
>>
>>     The EABI requires that the stack is always aligned to 8 bytes on
>>     entry/exit of subroutines, and you probably mess up the alignment
>>     with the manually inserted return instruction.
>>
>>     Also, make sure that you compiled an EABI cross-compiler (ensure
>>     that -dFPC_ARMEL is part of the OPT setting of the "make"
>>     invocation used to compile FPC).
>>
>>
>>
>>     Jonas
>>     _______________________________________________
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>>     <mailto:fpc-pascal at lists.freepascal.org>
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>>
>>
>>
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>
>
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