On 03.12.2007 21:18, Marc Karasek wrote:
> I think I have found the problem. It is related to the patch Ed sent.
> The new LD looks like it automagically turns on the --build-id
> option. I have not found out how turn it off.
> When this option is used it generates the .note.gnu.build-id
> section. When this section was discarded in the first ld pass
> (linuxbios_rom.ram creation) it was causing the segmentation fault crash.
> It looks like this same option is being called again when crt0.o is
> linked to create linuxbios. I have added the .note.gnu.build-id
> section to the .id section in the ldscript.ld file.
> SECTIONS {
> . = (_ROMBASE + ROM_IMAGE_SIZE - 0x10) - (__id_end - __id_start);
> .id (.) : {
> *(.id)
> *(.note.gnu.build-id)
> }
>
>
> This has gotten me past the second crash but now linuxbios.strip is
> crashing.
Well done.
> nm -n linuxbios | sort > linuxbios.map
> objcopy --gap-fill 0xff -O binary linuxbios linuxbios.strip
> objcopy: linuxbios.strip: Bad value
> objcopy: linuxbios.strip: Bad value
> make[1]: *** [linuxbios.strip] Error 1
>
> So this does not look like a ld problem, but an added feature to ld is
> causing us grief. If anyone can figure out how to turn this option
> off, that may fix all of this without any patches... :-)
Still, it would be a nice gesture to the binutils guys to report it as a
bug. Maybe there's some bug deeper down which triggers this.
Regards,
Carl-Daniel
--
linuxbios mailing list
linuxbios@linuxbios.org
http://www.linuxbios.org/mailman/listinfo/linuxbios
