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Re: leading padding in ELF segment
- From: Paul Brook <paul at codesourcery dot com>
- To: binutils at sourceware dot org
- Cc: Nathan Sidwell <nathan at codesourcery dot com>
- Date: Tue, 12 Dec 2006 16:00:26 +0000
- Subject: Re: leading padding in ELF segment
- References: <457ECEB5.2060000@codesourcery.com>
> The first segment contains exactly the .text section. The 2nd segment
> starts immediately after that, so the .data section is some 0x15d8 bytes
> into it. The .text section's file offset is aligned to the .text section's
> alignment. The .data section's file offset is not so aligned. Although I
> can't find words in the ELF spec to suppose that a section's file offset
> should be aligned, Diab does seem to be behaving inconsistently here.
>
> Question: Is this a well formed ELF file? AFAICT it is.
I've also seen armcc generate similar things.
Many OS require the file offset to be aligned so they can use mmap, but I
think that's an OS specific requirements on top of the basic ELF spec.
Paul