Re: Multiple symbols definition

[David Daney <ddaney at avtrex dot com>]

Cournapeau David wrote:
> Hi, 
>
> 	I would like to know where I could find an good explanation about the
> way that multiple definitions of one symbol are resolved at link time
> and runtime ? My problem is that I would like to control the way that
> multiple definition for one symbol are resolved, ie force to resolve the
> symbol in one particular library. 
>
> 	For example, let's say I want to wrap malloc calls in my dynamic
> library, is it possible to link against a small wrapper library which
> would define its own malloc, and to force the linker to resolve to this
> wrapper library , and not to the C library ?

It sounds like you want to use --wrap.  The example in the ld 
documentation for --wrap is nearly identical to what you describe.

David Daney