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

[Eric W. Biederman]

Mika Penttilä <mika.penttila@xxxxxxxxxxx> 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
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