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Re: ld behavior on different architectures

From: Nick Clifton
Subject: Re: ld behavior on different architectures
Date: Mon, 18 Jun 2007 16:52:58 +0100
User-agent: Thunderbird (X11/20070301)

Hi Constantine,

First of all, excuse me if i'm asking a naive question. I'm a complete noob at using linker scripts (and generally ld), so please give me a helping hand.

Certainly, although you are treading in a dark and mysterious region of programming. I would suggest that you read up on linker scripts and linkers in general before you go much further.

Does the linker's behavior change across different architectures?

Yes. For example the default alignment of sections may well be different with different architectures.

Is is possible that the 'boot' section is *not* at the beginning of the file on amd64?

Not really no. Given the linker script you presented the .boot section will be the first section in the amd64 image, (provided that there are some .boot sections in the input files used to create the image of course). The best way to find out what is going on is to examine the built image by hand. (Using the readelf tool with the -x switch may help here).


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