[fpc-devel] ARM Illegal instruction debugging howto

[ik]

‎Thanks Jonas,

I'll try it this evening and see if it works.

Ido

http://ik.homelinux.org/


On Tue, Dec 1, 2009 at 12:09 AM, Jonas Maebe <jonas.maebe at elis.ugent.be>wrote:

>
> On 30 Nov 2009, at 22:22, ik wrote:
>
> > It uses ARM EABI version. My latest attempt provides me the following
> > executable:
> > ELF 32-bit LSB executable, ARM, version 1, statically linked, not
> stripped
> >
> > While on "regular" Linux the same file identifier is:
> > hello: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically
> > linked, for GNU/Linux 2.4.0, stripped
> >
> > A normal executable in OM is:
> > ELF 32-bit LSB executable, ARM, version 1 (SYSV), for GNU/Linux 2.6.24,
> > dynamically linked (uses shared libs), stripped
> >
> > So how can I look for the proper build of ppcrossarm and normal ppcarm ?
>
> Static or dynamic is unlikely to be related to your problems with illegal
> instructions. The backtrace you previously posted (with the illegal opcode
> in sysinitfpu suggests that you are not compiling an EABI compiler, because
> that one defaults to softfloat. There's another thing I just noticed in your
> previous mail:
>
> > make OPT='dFPC_ARMEL -dFPC_ABI_EABI -Xd' OS=TARGET=linux CPU_TARGET=arm
>
> That first parameter is missing a dash (-), it should read -dFPC_ARMEL.
> Without that dash, you will not get an EABI compiler.
>
> You should also not define -dFPC_ABI_EABI yourself. The compiler will
> define that symbol when the current target is EABI. Defining that symbol
> while you are not compiling for an EABI platform will only result in an RTL
> with invalid code.
>
>
> Jonas_______________________________________________
> fpc-devel maillist  -  fpc-devel at lists.freepascal.org
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>
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