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linker: add iterable section macros

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For iterable areas defined with Z_STRUCT_SECTION_ITERABLE(),
the corresponding output section in the linker script is just
boilerplate. Add macros to make these definitions simpler.

Unfortunately, we have a fair number of iterable sections not
defined with Z_STRUCT_SECTION_ITERABLE(), this patch does not
address this.

The output sections are all named <struct name>_area, update
sanitylib.py with this.

sys_sem with no userspace, and k_lifo/k_fifo are special cases
where different data types that are all equivalent need to be
put in the same iterable area. Add
Z_STRUCT_SECTION_ITERABLE_ALTERNATE() for this special case.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2020-05-23 14:38:39 -07:00 • committed by Anas Nashif
commit 45979dafb4
7 changed files with 84 additions and 154 deletions
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4
include/kernel.h
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@ -2773,7 +2773,7 @@ struct k_fifo {
* @param name Name of the FIFO queue.
*/
#define K_FIFO_DEFINE(name) \
Z_STRUCT_SECTION_ITERABLE(k_fifo, name) = \
Z_STRUCT_SECTION_ITERABLE_ALTERNATE(k_queue, k_fifo, name) = \
Z_FIFO_INITIALIZER(name)
/** @} */
@ -2879,7 +2879,7 @@ struct k_lifo {
* @param name Name of the fifo.
*/
#define K_LIFO_DEFINE(name) \
Z_STRUCT_SECTION_ITERABLE(k_lifo, name) = \
Z_STRUCT_SECTION_ITERABLE_ALTERNATE(k_queue, k_lifo, name) = \
Z_LIFO_INITIALIZER(name)
/** @} */