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Re: develop a 'customized ld'
Simon Richter <Simon.Richter@hogyros.de> writes:
> sean yang wrote:
>
> > For example, I want to find the program counter(i.e., the address of the
> > instruction) of "call '@foo'" instruction at link time.
>
> This can be done for assembler code, but obvoisly not for C code as
> there is no way to make sure the C compiler will always use the same
> instructions. Just declare an assembler label in front of the
> instruction of which you want to take the address.
You can use a gcc extension creatively to approximate this:
void foo ()
{
lab:
printf ("%p\n", &&lab);
}
Ian