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Re: m68k PIC fixes
Gunther Nikl wrote:
> On Wed, Apr 13, 2005 at 07:07:07AM +0200, Bernardo Innocenti wrote:
>
>>Small-code + small-data is the only way to get fully relocatable
>>code on the m68000 while retaining good code quality.
>>
>>Would anyone be missing it? On the Amiga, building small programs
>>like this was a customary way to squeeze out a few bytes and get
>>rid of all relocations in the executable file.
>
>
> With the AmigaOS/68k port -fpic/-fPIC is never used at all. The
> amiga port added a new option (-fbaserel) to produce small-data.
Given it's a target switch, calling it -mbaserel would
probably be a better choice.
> Small-code is the job of the assembler, not of the compiler. GAS
> has a '-l' option to use 16bit offset in jumps. This worked with
> GAS 1.x. When switching to binutils2 '-l' wasn't used anymore.
Didn't know that. Good to know.
--
// Bernardo Innocenti - Develer S.r.l., R&D dept.
\X/ http://www.develer.com/