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Re: Symbol values in memory word units

From: Ian Lance Taylor <iant at google dot com>
To: Oleg Volf <ykvolf at yahoo dot com>
Cc: binutils at sourceware dot org
Date: Tue, 02 Dec 2008 07:44:54 -0800
Subject: Re: Symbol values in memory word units
References: <121435.82499.qm@web111101.mail.gq1.yahoo.com> <20081202020250.GA9361@bubble.grove.modra.org>

Alan Modra <amodra@bigpond.net.au> writes:

> On Mon, Dec 01, 2008 at 05:18:32PM -0800, Oleg Volf wrote:
>> linker expects section's vma and lma in byte units
>
> See bfd_arch_mach_octets_per_byte and OCTETS_PER_BYTE.

But in practice these are poorly defined and it is really hard to use
these successfully.  What I've done in the past is keep symbol values
and relocation addresses in bytes, and adjust in the relocation
routines.  This means that nm, objdump, readelf print the wrong
values, but it's not a difficult mental adjustment.

Ian

Follow-Ups:
- Re: Symbol values in memory word units
  - From: Oleg Volf

References:
- Symbol values in memory word units
  - From: Oleg Volf
- Re: Symbol values in memory word units
  - From: Alan Modra

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