[PATCH 1/2] powerpc: enable the relocatable support for the fsl booke 32bit kernel
scottwood at freescale.com
Tue Jul 9 02:48:25 EST 2013
On 07/03/2013 08:08:18 PM, Kevin Hao wrote:
> On Wed, Jul 03, 2013 at 03:38:27PM -0500, Scott Wood wrote:
> > On 07/02/2013 10:00:44 PM, Kevin Hao wrote:
> > >On Tue, Jul 02, 2013 at 05:39:18PM -0500, Scott Wood wrote:
> > >> How much overhead (space and time) is this really?
> > >
> > >The following is the additional sections when relocatable is
> > >enabled for
> > >a p2020rdb board.
> > > section size
> > > .dynsym 000007f0
> > > .dynstr 00000926
> > > .dynamic 00000080
> > > .hash 00000388
> > > .interp 00000011
> > > .rela.dyn 00215250
> > >
> > >The time for the relocation is about 32ms on a p2020rdb board.
> > Hmm... more relocations than I expected. What percentage is this of
> > the total image size?
> The size of vmlinux.bin is about 10M. The percentage of the relocation
> section is about 20%. But look on the bright side of thing, all the
> stuff are in init section and should be discarded at runtime. :-)
That doesn't reduce the space it takes up in flash...
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