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Re: Exploring the possibility of linking objects with different relocationschemes.

From: Nick Clifton <nickc at redhat dot com>
To: Prafulla Thakare <PrafullaT at KPITCummins dot com>
Cc: binutils at sources dot redhat dot com
Date: Wed, 05 Jan 2005 13:33:48 +0000
Subject: Re: Exploring the possibility of linking objects with different relocationschemes.
References: <4A1BE23A7B777442B60F4B4916AE0F1303E8F238@sohm.kpit.com>

Hi Prafulla,

We have changed the ABI VERSION in elf header to identify the different relocation schemes. i.e. ABI = 1 stands for new (binutils 2.15 onwards) relocations while ABI = 0 stands for old (binutils 2.10) relocations.

Note - you should probably define constants for these values and put them into include/elf/sh.h.

Please let us know, if this okay and also if anybody foresee any problem

This is OK.

Also any input on how above implementation will affect "-r" option to
linker?

It should not be a problem. As long as the code correctly propagates the ABIVERSION value to the output bfd (which should happen automatically, you should not need to add any new code).

Cheers
  Nick

References:
- RE: Exploring the possibility of linking objects with different relocationschemes.
  - From: Prafulla Thakare

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