Re: [PATCH 8/33] kallsyms.c: Generate relocatable symbols.

[Paulo Marques <pmarques@grupopie.com>]

Eric W. Biederman wrote:
> Print the addresses of non-absolute symbols relative to _text
> so that ld will generate relocations.  Allowing a relocatable
> kernel to relocate them.  We can't actually use the symbol names
> because kallsyms includes static symbols that are not exported
> from their object files.
>
> [...]
>  	output_label("kallsyms_addresses");
>  	for (i = 0; i < table_cnt; i++) {
> -		printf("\tPTR\t%#llx\n", table[i].addr);
> +		if (toupper(table[i].sym[0]) != 'A') {
> +			printf("\tPTR\t_text + %#llx\n",
> +				table[i].addr - _text);
> +		} else {
> +			printf("\tPTR\t%#llx\n", table[i].addr);
> +		}

Doesn't this break kallsyms for almost everyone?

kallsyms addresses aren't used just for displaying, but also to find 
symbols from their addresses (from the stack trace, etc.).

Am I missing something?

--
Paulo Marques - www.grupopie.com

"The face of a child can say it all, especially the
mouth part of the face."
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/