This is the mail archive of the binutils@sources.redhat.com mailing list for the binutils project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: Question about keywords and declarations in assembly code

From: Ian Lance Taylor <ian at wasabisystems dot com>
To: "Jafa" <jafa at silicondust dot com>
Cc: <spr03 at uow dot edu dot au>, <binutils at sources dot redhat dot com>
Date: 13 Oct 2003 10:18:47 -0700
Subject: Re: Question about keywords and declarations in assembly code
References: <d9065c55.d2329ca1.8189b00@mirapoint.uow.edu.au><003901c391a0$85d50170$0a00a8c0@nkelseyhome>

"Jafa" <jafa@silicondust.com> writes:

> The way I figure it if you have two global variables of the same name then
> you should get a linker error... merging the two may be the worst thing it
> can do. Maybe there is some obscure C spec that requires this - hopfully
> someone will clarify.

There is no spec for it, but it is traditional Unix linker behaviour.
The C standard permits it as an extension.  Existing programs depend
on it.

If you don't like it, use the linker --warn-common option.

Ian

Follow-Ups:
- Re: Question about keywords and declarations in assembly code
  - From: Jafa

References:
- Question about keywords and declarations in assembly code
  - From: spr03
- Re: Question about keywords and declarations in assembly code
  - From: Jafa

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]