On Wed, 2016-12-21 at 18:38 -0800, Luis R. Rodriguez wrote:
> A linker table is a data structure that is stitched together from
> items
> in multiple object files. Linux has historically implicitly used
> linker
> tables for ages, however they were all built in an adhoc manner which
> requires linker script modifications, per architecture. This adds a
> general linker table solution so that a new linker table can be
> implemented by changing C code only. The Linux linker table was
> inspired by Michael Brown's iPXE's linker table solution, it has been
> been completely re-written and adapted for integration and use on
> Linux.
> +/**
> + * LINKTABLE_FOR_EACH - iterate through all entries within a linker
> table
> + *
> + * @pointer: entry pointer
> + * @tbl: linker table
> + *
> + * Example usage::
> + *
> + * struct frobnicator *frob;
> + *
> + * LINKTABLE_FOR_EACH(frob, frobnicator_fns) {
> + * ...
> + * }
> + */
> +
> +#define LINKTABLE_FOR_EACH(pointer, tbl)
> \
Hmm... SOMEONE LIKES CAPITAL LETTERS FOR everything, right? :-)
I would expect more standard
linktable_for_each()
macro
Same to the rest of similar macros.
> +/**
> + * LINKTABLE_RUN_ERR - run each linker table entry func and return
> error if any
> + *
> + * @tbl: linker table
> + * @func: structure name for the function name we want to call.
> + * @args...: arguments to pass to func
> + *
> + * Example usage::
> + *
> + * unsigned int err = LINKTABLE_RUN_ERR(frobnicator_fns,
> some_run,);
> + */
> +#define LINKTABLE_RUN_ERR(tbl, func, args...)
> \
> +({
> \
> + size_t i;
> \
> + int err = 0;
> \
> + for (i = 0; !err && i < LINKTABLE_SIZE(tbl); i++)
> \
> + err = (LINKTABLE_START(tbl)[i]).func (args);
> \
> + err;
Indentation here a bit confusing.
> \
> +})
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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