This is the mail archive of the binutils@sourceware.org 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: changing the entry point

From: Daniel Jacobowitz <drow at false dot org>
To: Yannick Cote <yanick at yanos dot org>
Cc: binutils at sourceware dot org
Date: Thu, 19 Oct 2006 10:09:06 -0400
Subject: Re: changing the entry point
References: <d699f65d0610190707n46d0712ie38c2d5c4d890e33@mail.gmail.com>

On Thu, Oct 19, 2006 at 10:07:40AM -0400, Yannick Cote wrote:
> Hi there,
> 
> I am trying to find an explaination on why "ld -e myfunc ..." works if
> "myfunc" is in a .o file but will fail when the function is in an
> archive .a file.
> 
> The ld output will look like this (in the case of linking against an
> archive .a file):
> 
> ld: warning: cannot find entry symbol myfunc; defaulting to 00010000

Try "-e myfunc -u myfunc", which will force the symbol to be pulled in
to the binary.  Symbols from archives are only selected if there is an
undefined reference to them.

Generally, perhaps -e ought to imply -u...

-- 
Daniel Jacobowitz
CodeSourcery

References:
- changing the entry point
  - From: Yannick Cote

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