Messages in this thread | | | Date | Tue, 01 Aug 2006 21:16:04 +0300 | From | Mika Penttilä <> | Subject | Re: [PATCH 10/33] i386: Relocatable kernel support. |
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Eric W. Biederman wrote: > Mika Penttilä <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 :) > > Eric > - > Huh, quite a nice trick indeed!
Thanks, Mika
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