object code created by GCC

Andy Green andy@warmcat.com
Sun Aug 29 17:07:00 GMT 2010


On 08/29/10 08:09, Somebody in the thread at some point said:

> I want to obtain an executable image from C files by gcc for 32 bit Intel CPU.
> I do not want gcc add some headers and so on. I want a code with
> absolute addresses so that I can write the code directly on a BIOS
> chip and boot a computer from it.
>
> Can gcc do that? Do i need any extra tool to do it?

It's not a gcc issue, look into ld scripts.

Here's an ld script I use to place sections from a gcc link of a bootloader:

http://git.warmcat.com/cgi-bin/cgit/qi/tree/src/cpu/imx31/qi.lds?h=txtr

-Andy



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