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linker: warn about orphan sections

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(Previous patch set was reverted due to issue with priv_stack.
 Resubmitting after fixing the faults caused by priv_stack.noinit
 not at the end of RAM.)

This adds a linker flag and necessary changes to linker scripts
so that linker will warn about orphan sections.

Relates to #5534.

Fixes #10473, #10474, #10515.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2018-10-19 10:15:19 -07:00 • committed by Anas Nashif
commit 6600c64331
24 changed files with 312 additions and 0 deletions
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19
include/arch/riscv32/common/linker.ld
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@ -46,6 +46,22 @@ ENTRY(CONFIG_KERNEL_ENTRY)
SECTIONS
{
#include <linker/rel-sections.ld>
/*
* The .plt and .iplt are here according to
* 'riscv32-zephyr-elf-ld --verbose', before text section.
*/
SECTION_PROLOGUE(.plt,,)
{
*(.plt)
}
SECTION_PROLOGUE(.iplt,,)
{
*(.iplt)
}
GROUP_START(ROM)
_image_rom_start = .;
@ -175,4 +191,7 @@ SECTIONS
#endif
GROUP_END(RAMABLE_REGION)
#include <linker/debug-sections.ld>
}