Tejun Heo wrote: > Discarded sections in different archs share some commonality but have > considerable differences. This led to linker script for each arch > implementing its own /DISCARD/ definition, which makes maintaining > tedious and adding new entries error-prone. > > This patch makes all linker scripts to move discard definitions to the > end of the linker script and use the common DISCARDS macro. As ld > uses the first matching section definition, archs can include default > discarded sections by including them earlier in the linker script. > > On x86-64 which explicitly includes EXIT_TEXT, this produces identical > output as before and all but one archs included directives (include or > discard) for all default discarded sections, so this patch shouldn't > cause any behavior difference. > > The only problem case is microblaze, which didn't explicitly included > EXIT_TEXT and DATA but didn't discard them either leaving ld to create > identically names output sections for them. This patch will make the > end result different by throwing away exit text and data. It looks > like the ommission was accidental and throwing away is the right thing > to do, but I won't push it till someone who knows microblaze confirms > it. As you expected noMMU Microblaze kernel has some problems with that patch. (MMU version is fine) I'll take a look at it closer yesterday. Thanks, Michal > ___________________________ > microblaze-uclinux mailing list > microblaze-uclinux@xxxxxxxxxxxxxx > Project Home Page : http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux > Mailing List Archive : http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/ > > -- Michal Simek, Ing. (M.Eng) w: www.monstr.eu p: +42-0-721842854 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
