Re: [PATCH 10/33] i386: Relocatable kernel support.

Sam Ravnborg
2006-08-01T18:11:31Z

On Tue, Aug 01, 2006 at 12:07:02PM -0600, Eric W. Biederman wrote:
> Mika Penttil? <mika.penttila@kolumbus.fi> writes:
>
> >> @@ -1,9 +1,10 @@
> >> SECTIONS
> >> {
> >> - .data : { + .data.compressed : {
> >> input_len = .;
> >> LONG(input_data_end - input_data) input_data = .; *(.data)
> >> + output_len = . - 4;
> >> input_data_end = .; }
> >> }
> >>
> > I don't see how you are getting the uncompressed length from output_len...
>
> It's part of the gzip format. It places the length at the end of
> the compressed data. I am just computing the address of where gzip
> put the length and putting a variable there called output_len.
>
> Isn't linker script magic wonderful :)
A comment would be appreciated.

Sam