Re: Rename symbol at link time

[Thomas Martitz <thomas.martitz@xxxxxxxxxxxxxxxxxxxxx>]

Am 06.06.2012 12:58, schrieb DamienDaG:
> I my case I'd like to replace a call to a function that doesn't exist by a
> call to an existing function. This is to be applied to a project where a
> function is called with a name (e.g. fct1_wrongname in my example), but is
> implemented with another name (e.g. fct9). Since I cannot modify source
> code, I'd like to make this with the help of a linker script.
> It looks strange but in the final project, a part of the code calling
> fct1_wrongname is generated automatically, so I cannot modify it.
>
> I'm afraid I cannot use alias as you mentioned because it makes me modify
> source code.
> In my example, I need to "rename" function. Eventually I'll need to "rename"
> variables as well.

Can you not simply implement fctl_wrongname() and have it call fct9()? 
Perhaps by the means of linking an additional .o file that includes the 
wrapper? Since you can modify the linker script I assume you can change 
the linker command line too.

i.e. "void fctl_wrongname(void) { fct9(); }"

Best regards